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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * eval.c: Expression evaluation.
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12 */
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13 #if defined(MSDOS) || defined(MSWIN)
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14 # include <io.h> /* for mch_open(), must be before vim.h */
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15 #endif
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16
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17 #include "vim.h"
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18
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19 #ifdef AMIGA
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20 # include <time.h> /* for strftime() */
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21 #endif
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22
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23 #ifdef MACOS
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24 # include <time.h> /* for time_t */
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25 #endif
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26
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27 #ifdef HAVE_FCNTL_H
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28 # include <fcntl.h>
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29 #endif
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30
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31 #if defined(FEAT_EVAL) || defined(PROTO)
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32
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33 #if SIZEOF_INT <= 3 /* use long if int is smaller than 32 bits */
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34 typedef long varnumber_T;
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35 #else
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36 typedef int varnumber_T;
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37 #endif
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38
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39 /*
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40 * Structure to hold an internal variable.
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41 */
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42 typedef struct
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43 {
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44 char_u *var_name; /* name of variable */
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45 char var_type; /* VAR_NUMBER or VAR_STRING */
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46 union
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47 {
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48 varnumber_T var_number; /* number value */
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49 char_u *var_string; /* string value (Careful: can be NULL!) */
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50 } var_val;
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51 } var;
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52
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53 #define VAR_UNKNOWN 0
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54 #define VAR_NUMBER 1
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55 #define VAR_STRING 2
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56
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57 typedef var * VAR;
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58
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59 /*
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60 * All user-defined global variables are stored in "variables".
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61 */
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62 garray_T variables = {0, 0, sizeof(var), 4, NULL};
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63
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64 /*
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65 * Array to hold an array with variables local to each sourced script.
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66 */
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67 static garray_T ga_scripts = {0, 0, sizeof(garray_T), 4, NULL};
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68 #define SCRIPT_VARS(id) (((garray_T *)ga_scripts.ga_data)[(id) - 1])
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69
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70
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71 #define VAR_ENTRY(idx) (((VAR)(variables.ga_data))[idx])
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72 #define VAR_GAP_ENTRY(idx, gap) (((VAR)(gap->ga_data))[idx])
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73 #define BVAR_ENTRY(idx) (((VAR)(curbuf->b_vars.ga_data))[idx])
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74 #define WVAR_ENTRY(idx) (((VAR)(curwin->w_vars.ga_data))[idx])
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75
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76 static int echo_attr = 0; /* attributes used for ":echo" */
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77
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78 /*
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79 * Structure to hold info for a user function.
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80 */
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81 typedef struct ufunc ufunc_T;
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82
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83 struct ufunc
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84 {
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85 ufunc_T *next; /* next function in list */
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86 char_u *name; /* name of function; can start with <SNR>123_
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87 (<SNR> is K_SPECIAL KS_EXTRA KE_SNR) */
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88 int varargs; /* variable nr of arguments */
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89 int flags;
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90 int calls; /* nr of active calls */
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91 garray_T args; /* arguments */
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92 garray_T lines; /* function lines */
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93 scid_T script_ID; /* ID of script where function was defined,
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94 used for s: variables */
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95 };
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96
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97 /* function flags */
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98 #define FC_ABORT 1 /* abort function on error */
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99 #define FC_RANGE 2 /* function accepts range */
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100
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101 /*
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102 * All user-defined functions are found in the forward-linked function list.
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103 * The first function is pointed at by firstfunc.
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104 */
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105 ufunc_T *firstfunc = NULL;
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106
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107 #define FUNCARG(fp, j) ((char_u **)(fp->args.ga_data))[j]
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108 #define FUNCLINE(fp, j) ((char_u **)(fp->lines.ga_data))[j]
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109
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110 /* structure to hold info for a function that is currently being executed. */
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111 struct funccall
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112 {
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113 ufunc_T *func; /* function being called */
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114 int linenr; /* next line to be executed */
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115 int returned; /* ":return" used */
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116 int argcount; /* nr of arguments */
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117 VAR argvars; /* arguments */
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118 var a0_var; /* "a:0" variable */
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119 var firstline; /* "a:firstline" variable */
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120 var lastline; /* "a:lastline" variable */
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121 garray_T l_vars; /* local function variables */
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122 VAR retvar; /* return value variable */
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123 linenr_T breakpoint; /* next line with breakpoint or zero */
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124 int dbg_tick; /* debug_tick when breakpoint was set */
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125 int level; /* top nesting level of executed function */
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126 };
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127
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128 /*
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129 * Return the name of the executed function.
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130 */
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131 char_u *
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132 func_name(cookie)
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133 void *cookie;
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134 {
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135 return ((struct funccall *)cookie)->func->name;
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136 }
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137
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138 /*
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139 * Return the address holding the next breakpoint line for a funccall cookie.
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140 */
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141 linenr_T *
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142 func_breakpoint(cookie)
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143 void *cookie;
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144 {
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145 return &((struct funccall *)cookie)->breakpoint;
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146 }
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147
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148 /*
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149 * Return the address holding the debug tick for a funccall cookie.
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150 */
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151 int *
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152 func_dbg_tick(cookie)
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153 void *cookie;
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154 {
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155 return &((struct funccall *)cookie)->dbg_tick;
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156 }
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157
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158 /*
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159 * Return the nesting level for a funccall cookie.
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160 */
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161 int
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162 func_level(cookie)
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163 void *cookie;
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164 {
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165 return ((struct funccall *)cookie)->level;
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166 }
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167
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168 /* pointer to funccal for currently active function */
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169 struct funccall *current_funccal = NULL;
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170
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171 /*
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172 * Return TRUE when a function was ended by a ":return" command.
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173 */
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174 int
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175 current_func_returned()
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176 {
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177 return current_funccal->returned;
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178 }
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179
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180
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181 /*
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182 * Array to hold the value of v: variables.
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183 */
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184 #include "version.h"
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185
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186 /* values for flags: */
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29
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187 #define VV_COMPAT 1 /* compatible, also used without "v:" */
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188 #define VV_RO 2 /* read-only */
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189 #define VV_RO_SBX 4 /* read-only in the sandbox*/
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7
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190
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191 struct vimvar
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192 {
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193 char *name; /* name of variable, without v: */
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194 int len; /* length of name */
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195 char_u *val; /* current value (can also be a number!) */
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196 char type; /* VAR_NUMBER or VAR_STRING */
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29
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197 char flags; /* VV_COMPAT, VV_RO, VV_RO_SBX */
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7
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198 } vimvars[VV_LEN] =
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199 { /* The order here must match the VV_ defines in vim.h! */
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200 {"count", sizeof("count") - 1, NULL, VAR_NUMBER, VV_COMPAT+VV_RO},
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201 {"count1", sizeof("count1") - 1, NULL, VAR_NUMBER, VV_RO},
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202 {"prevcount", sizeof("prevcount") - 1, NULL, VAR_NUMBER, VV_RO},
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203 {"errmsg", sizeof("errmsg") - 1, NULL, VAR_STRING, VV_COMPAT},
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204 {"warningmsg", sizeof("warningmsg") - 1, NULL, VAR_STRING, 0},
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205 {"statusmsg", sizeof("statusmsg") - 1, NULL, VAR_STRING, 0},
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206 {"shell_error", sizeof("shell_error") - 1, NULL, VAR_NUMBER,
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207 VV_COMPAT+VV_RO},
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208 {"this_session", sizeof("this_session") - 1, NULL, VAR_STRING, VV_COMPAT},
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209 {"version", sizeof("version") - 1, (char_u *)VIM_VERSION_100,
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210 VAR_NUMBER, VV_COMPAT+VV_RO},
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29
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211 {"lnum", sizeof("lnum") - 1, NULL, VAR_NUMBER, VV_RO_SBX},
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212 {"termresponse", sizeof("termresponse") - 1, NULL, VAR_STRING, VV_RO},
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213 {"fname", sizeof("fname") - 1, NULL, VAR_STRING, VV_RO},
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214 {"lang", sizeof("lang") - 1, NULL, VAR_STRING, VV_RO},
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215 {"lc_time", sizeof("lc_time") - 1, NULL, VAR_STRING, VV_RO},
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216 {"ctype", sizeof("ctype") - 1, NULL, VAR_STRING, VV_RO},
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217 {"charconvert_from", sizeof("charconvert_from") - 1, NULL, VAR_STRING, VV_RO},
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218 {"charconvert_to", sizeof("charconvert_to") - 1, NULL, VAR_STRING, VV_RO},
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219 {"fname_in", sizeof("fname_in") - 1, NULL, VAR_STRING, VV_RO},
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220 {"fname_out", sizeof("fname_out") - 1, NULL, VAR_STRING, VV_RO},
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221 {"fname_new", sizeof("fname_new") - 1, NULL, VAR_STRING, VV_RO},
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222 {"fname_diff", sizeof("fname_diff") - 1, NULL, VAR_STRING, VV_RO},
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223 {"cmdarg", sizeof("cmdarg") - 1, NULL, VAR_STRING, VV_RO},
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29
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224 {"foldstart", sizeof("foldstart") - 1, NULL, VAR_NUMBER, VV_RO_SBX},
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225 {"foldend", sizeof("foldend") - 1, NULL, VAR_NUMBER, VV_RO_SBX},
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226 {"folddashes", sizeof("folddashes") - 1, NULL, VAR_STRING, VV_RO_SBX},
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227 {"foldlevel", sizeof("foldlevel") - 1, NULL, VAR_NUMBER, VV_RO_SBX},
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228 {"progname", sizeof("progname") - 1, NULL, VAR_STRING, VV_RO},
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229 {"servername", sizeof("servername") - 1, NULL, VAR_STRING, VV_RO},
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230 {"dying", sizeof("dying") - 1, NULL, VAR_NUMBER, VV_RO},
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231 {"exception", sizeof("exception") - 1, NULL, VAR_STRING, VV_RO},
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232 {"throwpoint", sizeof("throwpoint") - 1, NULL, VAR_STRING, VV_RO},
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233 {"register", sizeof("register") - 1, NULL, VAR_STRING, VV_RO},
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234 {"cmdbang", sizeof("cmdbang") - 1, NULL, VAR_NUMBER, VV_RO},
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11
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235 {"insertmode", sizeof("insertmode") - 1, NULL, VAR_STRING, VV_RO},
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7
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236 };
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237
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238 static int eval0 __ARGS((char_u *arg, VAR retvar, char_u **nextcmd, int evaluate));
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239 static int eval1 __ARGS((char_u **arg, VAR retvar, int evaluate));
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240 static int eval2 __ARGS((char_u **arg, VAR retvar, int evaluate));
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241 static int eval3 __ARGS((char_u **arg, VAR retvar, int evaluate));
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242 static int eval4 __ARGS((char_u **arg, VAR retvar, int evaluate));
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243 static int eval5 __ARGS((char_u **arg, VAR retvar, int evaluate));
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244 static int eval6 __ARGS((char_u **arg, VAR retvar, int evaluate));
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245 static int eval7 __ARGS((char_u **arg, VAR retvar, int evaluate));
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246 static int get_option_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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247 static int get_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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248 static int get_lit_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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249 static int get_env_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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250 static int find_internal_func __ARGS((char_u *name));
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251 static int get_func_var __ARGS((char_u *name, int len, VAR retvar, char_u **arg, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate));
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252 static int call_func __ARGS((char_u *name, int len, VAR retvar, int argcount, VAR argvars, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate));
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253 static void f_append __ARGS((VAR argvars, VAR retvar));
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254 static void f_argc __ARGS((VAR argvars, VAR retvar));
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255 static void f_argidx __ARGS((VAR argvars, VAR retvar));
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256 static void f_argv __ARGS((VAR argvars, VAR retvar));
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257 static void f_browse __ARGS((VAR argvars, VAR retvar));
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29
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258 static void f_browsedir __ARGS((VAR argvars, VAR retvar));
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7
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259 static buf_T *find_buffer __ARGS((VAR avar));
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260 static void f_bufexists __ARGS((VAR argvars, VAR retvar));
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261 static void f_buflisted __ARGS((VAR argvars, VAR retvar));
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262 static void f_bufloaded __ARGS((VAR argvars, VAR retvar));
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263 static buf_T *get_buf_var __ARGS((VAR avar));
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264 static void f_bufname __ARGS((VAR argvars, VAR retvar));
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265 static void f_bufnr __ARGS((VAR argvars, VAR retvar));
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266 static void f_bufwinnr __ARGS((VAR argvars, VAR retvar));
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267 static void f_byte2line __ARGS((VAR argvars, VAR retvar));
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268 static void f_byteidx __ARGS((VAR argvars, VAR retvar));
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269 static void f_char2nr __ARGS((VAR argvars, VAR retvar));
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270 static void f_cindent __ARGS((VAR argvars, VAR retvar));
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271 static void f_col __ARGS((VAR argvars, VAR retvar));
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272 static void f_confirm __ARGS((VAR argvars, VAR retvar));
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273 static void f_cscope_connection __ARGS((VAR argvars, VAR retvar));
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274 static void f_cursor __ARGS((VAR argsvars, VAR retvar));
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275 static void f_delete __ARGS((VAR argvars, VAR retvar));
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276 static void f_did_filetype __ARGS((VAR argvars, VAR retvar));
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32
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277 static void f_diff_filler __ARGS((VAR argvars, VAR retvar));
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278 static void f_diff_hlID __ARGS((VAR argvars, VAR retvar));
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7
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279 static void f_escape __ARGS((VAR argvars, VAR retvar));
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280 static void f_eventhandler __ARGS((VAR argvars, VAR retvar));
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281 static void f_executable __ARGS((VAR argvars, VAR retvar));
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282 static void f_exists __ARGS((VAR argvars, VAR retvar));
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283 static void f_expand __ARGS((VAR argvars, VAR retvar));
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284 static void f_filereadable __ARGS((VAR argvars, VAR retvar));
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285 static void f_filewritable __ARGS((VAR argvars, VAR retvar));
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286 static void f_finddir __ARGS((VAR argvars, VAR retvar));
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287 static void f_findfile __ARGS((VAR argvars, VAR retvar));
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288 static void f_findfilendir __ARGS((VAR argvars, VAR retvar, int dir));
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7
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289 static void f_fnamemodify __ARGS((VAR argvars, VAR retvar));
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290 static void f_foldclosed __ARGS((VAR argvars, VAR retvar));
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291 static void f_foldclosedend __ARGS((VAR argvars, VAR retvar));
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292 static void foldclosed_both __ARGS((VAR argvars, VAR retvar, int end));
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293 static void f_foldlevel __ARGS((VAR argvars, VAR retvar));
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294 static void f_foldtext __ARGS((VAR argvars, VAR retvar));
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29
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295 static void f_foldtextresult __ARGS((VAR argvars, VAR retvar));
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7
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296 static void f_foreground __ARGS((VAR argvars, VAR retvar));
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297 static void f_getbufvar __ARGS((VAR argvars, VAR retvar));
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298 static void f_getchar __ARGS((VAR argvars, VAR retvar));
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299 static void f_getcharmod __ARGS((VAR argvars, VAR retvar));
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300 static void f_getcmdline __ARGS((VAR argvars, VAR retvar));
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301 static void f_getcmdpos __ARGS((VAR argvars, VAR retvar));
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302 static void f_getcwd __ARGS((VAR argvars, VAR retvar));
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20
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303 static void f_getfperm __ARGS((VAR argvars, VAR retvar));
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7
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304 static void f_getfsize __ARGS((VAR argvars, VAR retvar));
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305 static void f_getftime __ARGS((VAR argvars, VAR retvar));
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20
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306 static void f_getftype __ARGS((VAR argvars, VAR retvar));
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7
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307 static void f_getline __ARGS((VAR argvars, VAR retvar));
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308 static void f_getreg __ARGS((VAR argvars, VAR retvar));
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309 static void f_getregtype __ARGS((VAR argvars, VAR retvar));
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310 static void f_getwinposx __ARGS((VAR argvars, VAR retvar));
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311 static void f_getwinposy __ARGS((VAR argvars, VAR retvar));
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312 static void f_getwinvar __ARGS((VAR argvars, VAR retvar));
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313 static void f_glob __ARGS((VAR argvars, VAR retvar));
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314 static void f_globpath __ARGS((VAR argvars, VAR retvar));
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315 static void f_has __ARGS((VAR argvars, VAR retvar));
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316 static void f_hasmapto __ARGS((VAR argvars, VAR retvar));
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317 static void f_histadd __ARGS((VAR argvars, VAR retvar));
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318 static void f_histdel __ARGS((VAR argvars, VAR retvar));
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319 static void f_histget __ARGS((VAR argvars, VAR retvar));
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320 static void f_histnr __ARGS((VAR argvars, VAR retvar));
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321 static void f_hlexists __ARGS((VAR argvars, VAR retvar));
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322 static void f_hlID __ARGS((VAR argvars, VAR retvar));
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323 static void f_hostname __ARGS((VAR argvars, VAR retvar));
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324 static void f_iconv __ARGS((VAR argvars, VAR retvar));
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325 static void f_indent __ARGS((VAR argvars, VAR retvar));
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326 static void f_isdirectory __ARGS((VAR argvars, VAR retvar));
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327 static void f_input __ARGS((VAR argvars, VAR retvar));
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328 static void f_inputdialog __ARGS((VAR argvars, VAR retvar));
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329 static void f_inputrestore __ARGS((VAR argvars, VAR retvar));
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330 static void f_inputsave __ARGS((VAR argvars, VAR retvar));
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331 static void f_inputsecret __ARGS((VAR argvars, VAR retvar));
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332 static void f_last_buffer_nr __ARGS((VAR argvars, VAR retvar));
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333 static void f_libcall __ARGS((VAR argvars, VAR retvar));
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334 static void f_libcallnr __ARGS((VAR argvars, VAR retvar));
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335 static void libcall_common __ARGS((VAR argvars, VAR retvar, int type));
|
|
|
336 static void f_line __ARGS((VAR argvars, VAR retvar));
|
|
|
337 static void f_line2byte __ARGS((VAR argvars, VAR retvar));
|
|
|
338 static void f_lispindent __ARGS((VAR argvars, VAR retvar));
|
|
|
339 static void f_localtime __ARGS((VAR argvars, VAR retvar));
|
|
|
340 static void f_maparg __ARGS((VAR argvars, VAR retvar));
|
|
|
341 static void f_mapcheck __ARGS((VAR argvars, VAR retvar));
|
|
|
342 static void get_maparg __ARGS((VAR argvars, VAR retvar, int exact));
|
|
|
343 static void f_match __ARGS((VAR argvars, VAR retvar));
|
|
|
344 static void f_matchend __ARGS((VAR argvars, VAR retvar));
|
|
|
345 static void f_matchstr __ARGS((VAR argvars, VAR retvar));
|
|
|
346 static void f_mode __ARGS((VAR argvars, VAR retvar));
|
|
|
347 static void f_nextnonblank __ARGS((VAR argvars, VAR retvar));
|
|
|
348 static void f_nr2char __ARGS((VAR argvars, VAR retvar));
|
|
|
349 static void f_prevnonblank __ARGS((VAR argvars, VAR retvar));
|
|
|
350 static void f_setbufvar __ARGS((VAR argvars, VAR retvar));
|
|
|
351 static void f_setcmdpos __ARGS((VAR argvars, VAR retvar));
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|
|
352 static void f_setwinvar __ARGS((VAR argvars, VAR retvar));
|
|
|
353 static void f_rename __ARGS((VAR argvars, VAR retvar));
|
|
|
354 static void f_resolve __ARGS((VAR argvars, VAR retvar));
|
|
|
355 static void f_search __ARGS((VAR argvars, VAR retvar));
|
|
|
356 static void f_searchpair __ARGS((VAR argvars, VAR retvar));
|
|
|
357 static int get_search_arg __ARGS((VAR varp, int *flagsp));
|
|
|
358 static void f_remote_expr __ARGS((VAR argvars, VAR retvar));
|
|
|
359 static void f_remote_foreground __ARGS((VAR argvars, VAR retvar));
|
|
|
360 static void f_remote_peek __ARGS((VAR argvars, VAR retvar));
|
|
|
361 static void f_remote_read __ARGS((VAR argvars, VAR retvar));
|
|
|
362 static void f_remote_send __ARGS((VAR argvars, VAR retvar));
|
|
18
|
363 static void f_repeat __ARGS((VAR argvars, VAR retvar));
|
|
7
|
364 static void f_server2client __ARGS((VAR argvars, VAR retvar));
|
|
|
365 static void f_serverlist __ARGS((VAR argvars, VAR retvar));
|
|
|
366 static void f_setline __ARGS((VAR argvars, VAR retvar));
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|
|
367 static void f_setreg __ARGS((VAR argvars, VAR retvar));
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|
|
368 static void f_simplify __ARGS((VAR argvars, VAR retvar));
|
|
|
369 static void find_some_match __ARGS((VAR argvars, VAR retvar, int start));
|
|
|
370 static void f_strftime __ARGS((VAR argvars, VAR retvar));
|
|
|
371 static void f_stridx __ARGS((VAR argvars, VAR retvar));
|
|
|
372 static void f_strlen __ARGS((VAR argvars, VAR retvar));
|
|
|
373 static void f_strpart __ARGS((VAR argvars, VAR retvar));
|
|
|
374 static void f_strridx __ARGS((VAR argvars, VAR retvar));
|
|
|
375 static void f_strtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
376 static void f_synID __ARGS((VAR argvars, VAR retvar));
|
|
|
377 static void f_synIDattr __ARGS((VAR argvars, VAR retvar));
|
|
|
378 static void f_synIDtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
379 static void f_system __ARGS((VAR argvars, VAR retvar));
|
|
|
380 static void f_submatch __ARGS((VAR argvars, VAR retvar));
|
|
|
381 static void f_substitute __ARGS((VAR argvars, VAR retvar));
|
|
|
382 static void f_tempname __ARGS((VAR argvars, VAR retvar));
|
|
|
383 static void f_tolower __ARGS((VAR argvars, VAR retvar));
|
|
|
384 static void f_toupper __ARGS((VAR argvars, VAR retvar));
|
|
15
|
385 static void f_tr __ARGS((VAR argvars, VAR retvar));
|
|
7
|
386 static void f_type __ARGS((VAR argvars, VAR retvar));
|
|
|
387 static void f_virtcol __ARGS((VAR argvars, VAR retvar));
|
|
|
388 static void f_visualmode __ARGS((VAR argvars, VAR retvar));
|
|
|
389 static void f_winbufnr __ARGS((VAR argvars, VAR retvar));
|
|
|
390 static void f_wincol __ARGS((VAR argvars, VAR retvar));
|
|
|
391 static void f_winheight __ARGS((VAR argvars, VAR retvar));
|
|
|
392 static void f_winline __ARGS((VAR argvars, VAR retvar));
|
|
|
393 static void f_winnr __ARGS((VAR argvars, VAR retvar));
|
|
|
394 static void f_winrestcmd __ARGS((VAR argvars, VAR retvar));
|
|
|
395 static void f_winwidth __ARGS((VAR argvars, VAR retvar));
|
|
|
396 static win_T *find_win_by_nr __ARGS((VAR vp));
|
|
|
397 static pos_T *var2fpos __ARGS((VAR varp, int lnum));
|
|
|
398 static int get_env_len __ARGS((char_u **arg));
|
|
|
399 static int get_id_len __ARGS((char_u **arg));
|
|
|
400 static int get_func_len __ARGS((char_u **arg, char_u **alias, int evaluate));
|
|
|
401 static char_u *find_name_end __ARGS((char_u *arg, char_u **expr_start, char_u **expr_end));
|
|
|
402 static int eval_isnamec __ARGS((int c));
|
|
|
403 static int find_vim_var __ARGS((char_u *name, int len));
|
|
|
404 static int get_var_var __ARGS((char_u *name, int len, VAR retvar));
|
|
|
405 static VAR alloc_var __ARGS((void));
|
|
|
406 static VAR alloc_string_var __ARGS((char_u *string));
|
|
|
407 static void free_var __ARGS((VAR varp));
|
|
|
408 static void clear_var __ARGS((VAR varp));
|
|
|
409 static long get_var_number __ARGS((VAR varp));
|
|
|
410 static linenr_T get_var_lnum __ARGS((VAR argvars));
|
|
|
411 static char_u *get_var_string __ARGS((VAR varp));
|
|
|
412 static char_u *get_var_string_buf __ARGS((VAR varp, char_u *buf));
|
|
|
413 static VAR find_var __ARGS((char_u *name, int writing));
|
|
|
414 static VAR find_var_in_ga __ARGS((garray_T *gap, char_u *varname));
|
|
|
415 static garray_T *find_var_ga __ARGS((char_u *name, char_u **varname));
|
|
|
416 static void var_free_one __ARGS((VAR v));
|
|
|
417 static void list_one_var __ARGS((VAR v, char_u *prefix));
|
|
|
418 static void list_vim_var __ARGS((int i));
|
|
|
419 static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string));
|
|
|
420 static void set_var __ARGS((char_u *name, VAR varp));
|
|
|
421 static void copy_var __ARGS((VAR from, VAR to));
|
|
|
422 static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags));
|
|
|
423 static char_u *trans_function_name __ARGS((char_u **pp, int skip, int internal));
|
|
|
424 static int eval_fname_script __ARGS((char_u *p));
|
|
|
425 static int eval_fname_sid __ARGS((char_u *p));
|
|
|
426 static void list_func_head __ARGS((ufunc_T *fp, int indent));
|
|
|
427 static void cat_func_name __ARGS((char_u *buf, ufunc_T *fp));
|
|
|
428 static ufunc_T *find_func __ARGS((char_u *name));
|
|
|
429 static void call_user_func __ARGS((ufunc_T *fp, int argcount, VAR argvars, VAR retvar, linenr_T firstline, linenr_T lastline));
|
|
|
430
|
|
|
431 /* Magic braces are always enabled, otherwise Vim scripts would not be
|
|
|
432 * portable. */
|
|
|
433 #define FEAT_MAGIC_BRACES
|
|
|
434
|
|
|
435 #ifdef FEAT_MAGIC_BRACES
|
|
|
436 static char_u * make_expanded_name __ARGS((char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end));
|
|
|
437 #endif
|
|
|
438
|
|
|
439 /*
|
|
|
440 * Set an internal variable to a string value. Creates the variable if it does
|
|
|
441 * not already exist.
|
|
|
442 */
|
|
|
443 void
|
|
|
444 set_internal_string_var(name, value)
|
|
|
445 char_u *name;
|
|
|
446 char_u *value;
|
|
|
447 {
|
|
|
448 char_u *val;
|
|
|
449 VAR varp;
|
|
|
450
|
|
|
451 val = vim_strsave(value);
|
|
|
452 if (val != NULL)
|
|
|
453 {
|
|
|
454 varp = alloc_string_var(val);
|
|
|
455 if (varp != NULL)
|
|
|
456 {
|
|
|
457 set_var(name, varp);
|
|
|
458 free_var(varp);
|
|
|
459 }
|
|
|
460 }
|
|
|
461 }
|
|
|
462
|
|
|
463 # if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
464 int
|
|
|
465 eval_charconvert(enc_from, enc_to, fname_from, fname_to)
|
|
|
466 char_u *enc_from;
|
|
|
467 char_u *enc_to;
|
|
|
468 char_u *fname_from;
|
|
|
469 char_u *fname_to;
|
|
|
470 {
|
|
|
471 int err = FALSE;
|
|
|
472
|
|
|
473 set_vim_var_string(VV_CC_FROM, enc_from, -1);
|
|
|
474 set_vim_var_string(VV_CC_TO, enc_to, -1);
|
|
|
475 set_vim_var_string(VV_FNAME_IN, fname_from, -1);
|
|
|
476 set_vim_var_string(VV_FNAME_OUT, fname_to, -1);
|
|
|
477 if (eval_to_bool(p_ccv, &err, NULL, FALSE))
|
|
|
478 err = TRUE;
|
|
|
479 set_vim_var_string(VV_CC_FROM, NULL, -1);
|
|
|
480 set_vim_var_string(VV_CC_TO, NULL, -1);
|
|
|
481 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
482 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
483
|
|
|
484 if (err)
|
|
|
485 return FAIL;
|
|
|
486 return OK;
|
|
|
487 }
|
|
|
488 # endif
|
|
|
489
|
|
|
490 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
|
|
|
491 int
|
|
|
492 eval_printexpr(fname, args)
|
|
|
493 char_u *fname;
|
|
|
494 char_u *args;
|
|
|
495 {
|
|
|
496 int err = FALSE;
|
|
|
497
|
|
|
498 set_vim_var_string(VV_FNAME_IN, fname, -1);
|
|
|
499 set_vim_var_string(VV_CMDARG, args, -1);
|
|
|
500 if (eval_to_bool(p_pexpr, &err, NULL, FALSE))
|
|
|
501 err = TRUE;
|
|
|
502 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
503 set_vim_var_string(VV_CMDARG, NULL, -1);
|
|
|
504
|
|
|
505 if (err)
|
|
|
506 {
|
|
|
507 mch_remove(fname);
|
|
|
508 return FAIL;
|
|
|
509 }
|
|
|
510 return OK;
|
|
|
511 }
|
|
|
512 # endif
|
|
|
513
|
|
|
514 # if defined(FEAT_DIFF) || defined(PROTO)
|
|
|
515 void
|
|
|
516 eval_diff(origfile, newfile, outfile)
|
|
|
517 char_u *origfile;
|
|
|
518 char_u *newfile;
|
|
|
519 char_u *outfile;
|
|
|
520 {
|
|
|
521 int err = FALSE;
|
|
|
522
|
|
|
523 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
524 set_vim_var_string(VV_FNAME_NEW, newfile, -1);
|
|
|
525 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
526 (void)eval_to_bool(p_dex, &err, NULL, FALSE);
|
|
|
527 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
528 set_vim_var_string(VV_FNAME_NEW, NULL, -1);
|
|
|
529 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
530 }
|
|
|
531
|
|
|
532 void
|
|
|
533 eval_patch(origfile, difffile, outfile)
|
|
|
534 char_u *origfile;
|
|
|
535 char_u *difffile;
|
|
|
536 char_u *outfile;
|
|
|
537 {
|
|
|
538 int err;
|
|
|
539
|
|
|
540 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
541 set_vim_var_string(VV_FNAME_DIFF, difffile, -1);
|
|
|
542 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
543 (void)eval_to_bool(p_pex, &err, NULL, FALSE);
|
|
|
544 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
545 set_vim_var_string(VV_FNAME_DIFF, NULL, -1);
|
|
|
546 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
547 }
|
|
|
548 # endif
|
|
|
549
|
|
|
550 /*
|
|
|
551 * Top level evaluation function, returning a boolean.
|
|
|
552 * Sets "error" to TRUE if there was an error.
|
|
|
553 * Return TRUE or FALSE.
|
|
|
554 */
|
|
|
555 int
|
|
|
556 eval_to_bool(arg, error, nextcmd, skip)
|
|
|
557 char_u *arg;
|
|
|
558 int *error;
|
|
|
559 char_u **nextcmd;
|
|
|
560 int skip; /* only parse, don't execute */
|
|
|
561 {
|
|
|
562 var retvar;
|
|
|
563 int retval = FALSE;
|
|
|
564
|
|
|
565 if (skip)
|
|
|
566 ++emsg_skip;
|
|
|
567 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL)
|
|
|
568 {
|
|
|
569 *error = TRUE;
|
|
|
570 }
|
|
|
571 else
|
|
|
572 {
|
|
|
573 *error = FALSE;
|
|
|
574 if (!skip)
|
|
|
575 {
|
|
|
576 retval = (get_var_number(&retvar) != 0);
|
|
|
577 clear_var(&retvar);
|
|
|
578 }
|
|
|
579 }
|
|
|
580 if (skip)
|
|
|
581 --emsg_skip;
|
|
|
582
|
|
|
583 return retval;
|
|
|
584 }
|
|
|
585
|
|
|
586 /*
|
|
|
587 * Top level evaluation function, returning a string. If "skip" is TRUE,
|
|
|
588 * only parsing to "nextcmd" is done, without reporting errors. Return
|
|
|
589 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
|
|
|
590 */
|
|
|
591 char_u *
|
|
|
592 eval_to_string_skip(arg, nextcmd, skip)
|
|
|
593 char_u *arg;
|
|
|
594 char_u **nextcmd;
|
|
|
595 int skip; /* only parse, don't execute */
|
|
|
596 {
|
|
|
597 var retvar;
|
|
|
598 char_u *retval;
|
|
|
599
|
|
|
600 if (skip)
|
|
|
601 ++emsg_skip;
|
|
|
602 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL || skip)
|
|
|
603 retval = NULL;
|
|
|
604 else
|
|
|
605 {
|
|
|
606 retval = vim_strsave(get_var_string(&retvar));
|
|
|
607 clear_var(&retvar);
|
|
|
608 }
|
|
|
609 if (skip)
|
|
|
610 --emsg_skip;
|
|
|
611
|
|
|
612 return retval;
|
|
|
613 }
|
|
|
614
|
|
|
615 /*
|
|
9
|
616 * Skip over an expression at "*pp".
|
|
|
617 * Return FAIL for an error, OK otherwise.
|
|
|
618 */
|
|
|
619 int
|
|
|
620 skip_expr(pp)
|
|
|
621 char_u **pp;
|
|
|
622 {
|
|
|
623 var retvar;
|
|
|
624
|
|
|
625 *pp = skipwhite(*pp);
|
|
|
626 return eval1(pp, &retvar, FALSE);
|
|
|
627 }
|
|
|
628
|
|
|
629 /*
|
|
7
|
630 * Top level evaluation function, returning a string.
|
|
|
631 * Return pointer to allocated memory, or NULL for failure.
|
|
|
632 */
|
|
|
633 char_u *
|
|
|
634 eval_to_string(arg, nextcmd)
|
|
|
635 char_u *arg;
|
|
|
636 char_u **nextcmd;
|
|
|
637 {
|
|
|
638 var retvar;
|
|
|
639 char_u *retval;
|
|
|
640
|
|
|
641 if (eval0(arg, &retvar, nextcmd, TRUE) == FAIL)
|
|
|
642 retval = NULL;
|
|
|
643 else
|
|
|
644 {
|
|
|
645 retval = vim_strsave(get_var_string(&retvar));
|
|
|
646 clear_var(&retvar);
|
|
|
647 }
|
|
|
648
|
|
|
649 return retval;
|
|
|
650 }
|
|
|
651
|
|
|
652 /*
|
|
|
653 * Call eval_to_string() with "sandbox" set and not using local variables.
|
|
|
654 */
|
|
|
655 char_u *
|
|
|
656 eval_to_string_safe(arg, nextcmd)
|
|
|
657 char_u *arg;
|
|
|
658 char_u **nextcmd;
|
|
|
659 {
|
|
|
660 char_u *retval;
|
|
|
661 void *save_funccalp;
|
|
|
662
|
|
|
663 save_funccalp = save_funccal();
|
|
|
664 ++sandbox;
|
|
|
665 retval = eval_to_string(arg, nextcmd);
|
|
|
666 --sandbox;
|
|
|
667 restore_funccal(save_funccalp);
|
|
|
668 return retval;
|
|
|
669 }
|
|
|
670
|
|
|
671 #if 0 /* not used */
|
|
|
672 /*
|
|
|
673 * Top level evaluation function, returning a string.
|
|
|
674 * Advances "arg" to the first non-blank after the evaluated expression.
|
|
|
675 * Return pointer to allocated memory, or NULL for failure.
|
|
|
676 * Doesn't give error messages.
|
|
|
677 */
|
|
|
678 char_u *
|
|
|
679 eval_arg_to_string(arg)
|
|
|
680 char_u **arg;
|
|
|
681 {
|
|
|
682 var retvar;
|
|
|
683 char_u *retval;
|
|
|
684 int ret;
|
|
|
685
|
|
|
686 ++emsg_off;
|
|
|
687
|
|
|
688 ret = eval1(arg, &retvar, TRUE);
|
|
|
689 if (ret == FAIL)
|
|
|
690 retval = NULL;
|
|
|
691 else
|
|
|
692 {
|
|
|
693 retval = vim_strsave(get_var_string(&retvar));
|
|
|
694 clear_var(&retvar);
|
|
|
695 }
|
|
|
696
|
|
|
697 --emsg_off;
|
|
|
698
|
|
|
699 return retval;
|
|
|
700 }
|
|
|
701 #endif
|
|
|
702
|
|
|
703 /*
|
|
|
704 * Top level evaluation function, returning a number.
|
|
|
705 * Evaluates "expr" silently.
|
|
|
706 * Returns -1 for an error.
|
|
|
707 */
|
|
|
708 int
|
|
|
709 eval_to_number(expr)
|
|
|
710 char_u *expr;
|
|
|
711 {
|
|
|
712 var retvar;
|
|
|
713 int retval;
|
|
|
714 char_u *p = expr;
|
|
|
715
|
|
|
716 ++emsg_off;
|
|
|
717
|
|
|
718 if (eval1(&p, &retvar, TRUE) == FAIL)
|
|
|
719 retval = -1;
|
|
|
720 else
|
|
|
721 {
|
|
|
722 retval = get_var_number(&retvar);
|
|
|
723 clear_var(&retvar);
|
|
|
724 }
|
|
|
725 --emsg_off;
|
|
|
726
|
|
|
727 return retval;
|
|
|
728 }
|
|
|
729
|
|
|
730 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
|
|
|
731 /*
|
|
|
732 * Call some vimL function and return the result as a string
|
|
|
733 * Uses argv[argc] for the function arguments.
|
|
|
734 */
|
|
|
735 char_u *
|
|
|
736 call_vim_function(func, argc, argv, safe)
|
|
|
737 char_u *func;
|
|
|
738 int argc;
|
|
|
739 char_u **argv;
|
|
|
740 int safe; /* use the sandbox */
|
|
|
741 {
|
|
|
742 char_u *retval = NULL;
|
|
|
743 var retvar;
|
|
|
744 VAR argvars;
|
|
|
745 long n;
|
|
|
746 int len;
|
|
|
747 int i;
|
|
|
748 int doesrange;
|
|
|
749 void *save_funccalp = NULL;
|
|
|
750
|
|
|
751 argvars = (VAR)alloc((unsigned)(argc * sizeof(var)));
|
|
|
752 if (argvars == NULL)
|
|
|
753 return NULL;
|
|
|
754
|
|
|
755 for (i = 0; i < argc; i++)
|
|
|
756 {
|
|
12
|
757 /* Pass a NULL or empty argument as an empty string */
|
|
|
758 if (argv[i] == NULL || *argv[i] == NUL)
|
|
|
759 {
|
|
|
760 argvars[i].var_type = VAR_STRING;
|
|
20
|
761 argvars[i].var_val.var_string = (char_u *)"";
|
|
12
|
762 continue;
|
|
|
763 }
|
|
|
764
|
|
7
|
765 /* Recognize a number argument, the others must be strings. */
|
|
|
766 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
767 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
768 {
|
|
|
769 argvars[i].var_type = VAR_NUMBER;
|
|
|
770 argvars[i].var_val.var_number = n;
|
|
|
771 }
|
|
|
772 else
|
|
|
773 {
|
|
|
774 argvars[i].var_type = VAR_STRING;
|
|
|
775 argvars[i].var_val.var_string = argv[i];
|
|
|
776 }
|
|
|
777 }
|
|
|
778
|
|
|
779 if (safe)
|
|
|
780 {
|
|
|
781 save_funccalp = save_funccal();
|
|
|
782 ++sandbox;
|
|
|
783 }
|
|
|
784
|
|
|
785 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
786 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
787 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
788 &doesrange, TRUE) == OK)
|
|
|
789 retval = vim_strsave(get_var_string(&retvar));
|
|
|
790
|
|
|
791 clear_var(&retvar);
|
|
|
792 vim_free(argvars);
|
|
|
793
|
|
|
794 if (safe)
|
|
|
795 {
|
|
|
796 --sandbox;
|
|
|
797 restore_funccal(save_funccalp);
|
|
|
798 }
|
|
|
799 return retval;
|
|
|
800 }
|
|
|
801 #endif
|
|
|
802
|
|
|
803 /*
|
|
|
804 * Save the current function call pointer, and set it to NULL.
|
|
|
805 * Used when executing autocommands and for ":source".
|
|
|
806 */
|
|
|
807 void *
|
|
|
808 save_funccal()
|
|
|
809 {
|
|
|
810 struct funccall *fc;
|
|
|
811
|
|
|
812 fc = current_funccal;
|
|
|
813 current_funccal = NULL;
|
|
|
814 return (void *)fc;
|
|
|
815 }
|
|
|
816
|
|
|
817 void
|
|
|
818 restore_funccal(fc)
|
|
|
819 void *fc;
|
|
|
820 {
|
|
|
821 current_funccal = (struct funccall *)fc;
|
|
|
822 }
|
|
|
823
|
|
|
824 #ifdef FEAT_FOLDING
|
|
|
825 /*
|
|
|
826 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
827 * it in "*cp". Doesn't give error messages.
|
|
|
828 */
|
|
|
829 int
|
|
|
830 eval_foldexpr(arg, cp)
|
|
|
831 char_u *arg;
|
|
|
832 int *cp;
|
|
|
833 {
|
|
|
834 var retvar;
|
|
|
835 int retval;
|
|
|
836 char_u *s;
|
|
|
837
|
|
|
838 ++emsg_off;
|
|
|
839 ++sandbox;
|
|
|
840 *cp = NUL;
|
|
|
841 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
842 retval = 0;
|
|
|
843 else
|
|
|
844 {
|
|
|
845 /* If the result is a number, just return the number. */
|
|
|
846 if (retvar.var_type == VAR_NUMBER)
|
|
|
847 retval = retvar.var_val.var_number;
|
|
|
848 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
849 || retvar.var_val.var_string == NULL)
|
|
|
850 retval = 0;
|
|
|
851 else
|
|
|
852 {
|
|
|
853 /* If the result is a string, check if there is a non-digit before
|
|
|
854 * the number. */
|
|
|
855 s = retvar.var_val.var_string;
|
|
|
856 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
857 *cp = *s++;
|
|
|
858 retval = atol((char *)s);
|
|
|
859 }
|
|
|
860 clear_var(&retvar);
|
|
|
861 }
|
|
|
862 --emsg_off;
|
|
|
863 --sandbox;
|
|
|
864
|
|
|
865 return retval;
|
|
|
866 }
|
|
|
867 #endif
|
|
|
868
|
|
|
869 #ifdef FEAT_MAGIC_BRACES
|
|
|
870 /*
|
|
|
871 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
872 * Note that this can call itself recursively, to deal with
|
|
|
873 * constructs like foo{bar}{baz}{bam}
|
|
|
874 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
875 * "in_start" ^
|
|
|
876 * "expr_start" ^
|
|
|
877 * "expr_end" ^
|
|
|
878 * "in_end" ^
|
|
|
879 *
|
|
|
880 * Returns a new allocated string, which the caller must free.
|
|
|
881 * Returns NULL for failure.
|
|
|
882 */
|
|
|
883 static char_u *
|
|
|
884 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
885 char_u *in_start;
|
|
|
886 char_u *expr_start;
|
|
|
887 char_u *expr_end;
|
|
|
888 char_u *in_end;
|
|
|
889 {
|
|
|
890 char_u c1;
|
|
|
891 char_u *retval = NULL;
|
|
|
892 char_u *temp_result;
|
|
|
893 char_u *nextcmd = NULL;
|
|
|
894
|
|
|
895 if (expr_end == NULL || in_end == NULL)
|
|
|
896 return NULL;
|
|
|
897 *expr_start = NUL;
|
|
|
898 *expr_end = NUL;
|
|
|
899 c1 = *in_end;
|
|
|
900 *in_end = NUL;
|
|
|
901
|
|
|
902 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
903 if (temp_result != NULL && nextcmd == NULL)
|
|
|
904 {
|
|
|
905 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
906 + (in_end - expr_end) + 1));
|
|
|
907
|
|
|
908 if (retval != NULL)
|
|
|
909 {
|
|
|
910 STRCPY(retval, in_start);
|
|
|
911 STRCAT(retval, temp_result);
|
|
|
912 STRCAT(retval, expr_end + 1);
|
|
|
913 }
|
|
|
914 }
|
|
|
915 vim_free(temp_result);
|
|
|
916
|
|
|
917 *in_end = c1; /* put char back for error messages */
|
|
|
918 *expr_start = '{';
|
|
|
919 *expr_end = '}';
|
|
|
920
|
|
|
921 if (retval != NULL)
|
|
|
922 {
|
|
|
923 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
924 if (expr_start != NULL)
|
|
|
925 {
|
|
|
926 /* Further expansion! */
|
|
|
927 temp_result = make_expanded_name(retval, expr_start,
|
|
|
928 expr_end, temp_result);
|
|
|
929 vim_free(retval);
|
|
|
930 retval = temp_result;
|
|
|
931 }
|
|
|
932 }
|
|
|
933
|
|
|
934 return retval;
|
|
|
935
|
|
|
936 }
|
|
|
937 #endif /* FEAT_MAGIC_BRACES */
|
|
|
938
|
|
|
939 /*
|
|
|
940 * ":let var = expr" assignment command.
|
|
|
941 * ":let var" list one variable value
|
|
|
942 * ":let" list all variable values
|
|
|
943 */
|
|
|
944 void
|
|
|
945 ex_let(eap)
|
|
|
946 exarg_T *eap;
|
|
|
947 {
|
|
|
948 char_u *arg = eap->arg;
|
|
|
949 char_u *expr;
|
|
|
950 char_u *name;
|
|
|
951 VAR varp;
|
|
|
952 var retvar;
|
|
|
953 char_u *p;
|
|
|
954 int c1 = 0, c2;
|
|
|
955 int i;
|
|
|
956 char_u *expr_start;
|
|
|
957 char_u *expr_end;
|
|
|
958 char_u *name_end;
|
|
|
959
|
|
|
960 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
961 expr = vim_strchr(name_end, '=');
|
|
|
962 if (expr == NULL)
|
|
|
963 {
|
|
|
964 if (ends_excmd(*arg))
|
|
|
965 {
|
|
|
966 if (!eap->skip)
|
|
|
967 {
|
|
|
968 /*
|
|
|
969 * List all variables.
|
|
|
970 */
|
|
|
971 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
972 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
973 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
974 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
975 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
976 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
977 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
978 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
979 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
980 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
981 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
982 list_vim_var(i);
|
|
|
983 }
|
|
|
984 }
|
|
|
985 else
|
|
|
986 {
|
|
|
987 int error = FALSE;
|
|
|
988
|
|
|
989 /*
|
|
|
990 * List variables.
|
|
|
991 */
|
|
|
992 while (!ends_excmd(*arg) && !got_int)
|
|
|
993 {
|
|
|
994 char_u *temp_string = NULL;
|
|
|
995 int arg_len;
|
|
|
996
|
|
|
997 /* Find the end of the name. */
|
|
|
998 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
999
|
|
|
1000 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1001 {
|
|
|
1002 emsg_severe = TRUE;
|
|
|
1003 EMSG(_(e_trailing));
|
|
|
1004 break;
|
|
|
1005 }
|
|
|
1006 if (!error && !eap->skip)
|
|
|
1007 {
|
|
|
1008 #ifdef FEAT_MAGIC_BRACES
|
|
|
1009 if (expr_start != NULL)
|
|
|
1010 {
|
|
|
1011 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1012 expr_end, name_end);
|
|
|
1013 if (temp_string == NULL)
|
|
|
1014 {
|
|
|
1015 /*
|
|
|
1016 * Report an invalid expression in braces, unless
|
|
|
1017 * the expression evaluation has been cancelled due
|
|
|
1018 * to an aborting error, an interrupt, or an
|
|
|
1019 * exception.
|
|
|
1020 */
|
|
|
1021 if (!aborting())
|
|
|
1022 {
|
|
|
1023 emsg_severe = TRUE;
|
|
|
1024 EMSG2(_(e_invarg2), arg);
|
|
|
1025 break;
|
|
|
1026 }
|
|
|
1027 error = TRUE;
|
|
|
1028 arg = skipwhite(name_end);
|
|
|
1029 continue;
|
|
|
1030 }
|
|
|
1031 arg = temp_string;
|
|
|
1032 arg_len = STRLEN(temp_string);
|
|
|
1033 }
|
|
|
1034 else
|
|
|
1035 #endif
|
|
|
1036 {
|
|
|
1037 c1 = *name_end;
|
|
|
1038 *name_end = NUL;
|
|
|
1039 arg_len = (int)(name_end - arg);
|
|
|
1040 }
|
|
|
1041 i = find_vim_var(arg, arg_len);
|
|
|
1042 if (i >= 0)
|
|
|
1043 list_vim_var(i);
|
|
|
1044 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1045 {
|
|
|
1046 char_u numbuf[NUMBUFLEN];
|
|
|
1047
|
|
|
1048 sprintf((char *)numbuf, "%ld",
|
|
|
1049 (long)curbuf->b_changedtick);
|
|
|
1050 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1051 VAR_NUMBER, numbuf);
|
|
|
1052 }
|
|
|
1053 else
|
|
|
1054 {
|
|
|
1055 varp = find_var(arg, FALSE);
|
|
|
1056 if (varp == NULL)
|
|
|
1057 {
|
|
|
1058 /* Skip further arguments but do continue to
|
|
|
1059 * search for a trailing command. */
|
|
|
1060 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1061 error = TRUE;
|
|
|
1062 }
|
|
|
1063 else
|
|
|
1064 {
|
|
|
1065 name = vim_strchr(arg, ':');
|
|
|
1066 if (name != NULL)
|
|
|
1067 {
|
|
|
1068 /* "a:" vars have no name stored, use whole
|
|
|
1069 * arg */
|
|
|
1070 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1071 c2 = NUL;
|
|
|
1072 else
|
|
|
1073 {
|
|
|
1074 c2 = *++name;
|
|
|
1075 *name = NUL;
|
|
|
1076 }
|
|
|
1077 list_one_var(varp, arg);
|
|
|
1078 if (c2 != NUL)
|
|
|
1079 *name = c2;
|
|
|
1080 }
|
|
|
1081 else
|
|
|
1082 list_one_var(varp, (char_u *)"");
|
|
|
1083 }
|
|
|
1084 }
|
|
|
1085 #ifdef FEAT_MAGIC_BRACES
|
|
|
1086 if (expr_start != NULL)
|
|
|
1087 vim_free(temp_string);
|
|
|
1088 else
|
|
|
1089 #endif
|
|
|
1090 *name_end = c1;
|
|
|
1091 }
|
|
|
1092 arg = skipwhite(name_end);
|
|
|
1093 }
|
|
|
1094 }
|
|
|
1095 eap->nextcmd = check_nextcmd(arg);
|
|
|
1096 }
|
|
|
1097 else
|
|
|
1098 {
|
|
|
1099 if (eap->skip)
|
|
|
1100 ++emsg_skip;
|
|
|
1101 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1102 if (eap->skip)
|
|
|
1103 {
|
|
|
1104 if (i != FAIL)
|
|
|
1105 clear_var(&retvar);
|
|
|
1106 --emsg_skip;
|
|
|
1107 }
|
|
|
1108 else if (i != FAIL)
|
|
|
1109 {
|
|
|
1110 /*
|
|
|
1111 * ":let $VAR = expr": Set environment variable.
|
|
|
1112 */
|
|
|
1113 if (*arg == '$')
|
|
|
1114 {
|
|
|
1115 int len;
|
|
|
1116 int cc;
|
|
|
1117
|
|
|
1118 /* Find the end of the name. */
|
|
|
1119 ++arg;
|
|
|
1120 name = arg;
|
|
|
1121 len = get_env_len(&arg);
|
|
|
1122 if (len == 0)
|
|
|
1123 EMSG2(_(e_invarg2), name - 1);
|
|
|
1124 else
|
|
|
1125 {
|
|
|
1126 if (*skipwhite(arg) != '=')
|
|
|
1127 EMSG(_(e_letunexp));
|
|
|
1128 else
|
|
|
1129 {
|
|
|
1130 cc = name[len];
|
|
|
1131 name[len] = NUL;
|
|
|
1132 p = get_var_string(&retvar);
|
|
|
1133 vim_setenv(name, p);
|
|
|
1134 if (STRICMP(name, "HOME") == 0)
|
|
|
1135 init_homedir();
|
|
|
1136 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1137 didset_vim = FALSE;
|
|
|
1138 else if (didset_vimruntime
|
|
|
1139 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1140 didset_vimruntime = FALSE;
|
|
|
1141 name[len] = cc;
|
|
|
1142 }
|
|
|
1143 }
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 /*
|
|
|
1147 * ":let &option = expr": Set option value.
|
|
|
1148 * ":let &l:option = expr": Set local option value.
|
|
|
1149 * ":let &g:option = expr": Set global option value.
|
|
|
1150 */
|
|
|
1151 else if (*arg == '&')
|
|
|
1152 {
|
|
|
1153 int opt_flags;
|
|
|
1154
|
|
|
1155 /*
|
|
|
1156 * Find the end of the name;
|
|
|
1157 */
|
|
|
1158 p = find_option_end(&arg, &opt_flags);
|
|
|
1159 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1160 EMSG(_(e_letunexp));
|
|
|
1161 else
|
|
|
1162 {
|
|
|
1163 c1 = *p;
|
|
|
1164 *p = NUL;
|
|
|
1165 set_option_value(arg, get_var_number(&retvar),
|
|
|
1166 get_var_string(&retvar), opt_flags);
|
|
|
1167 *p = c1; /* put back for error messages */
|
|
|
1168 }
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 /*
|
|
|
1172 * ":let @r = expr": Set register contents.
|
|
|
1173 */
|
|
|
1174 else if (*arg == '@')
|
|
|
1175 {
|
|
|
1176 ++arg;
|
|
|
1177 if (*skipwhite(arg + 1) != '=')
|
|
|
1178 EMSG(_(e_letunexp));
|
|
|
1179 else
|
|
|
1180 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1181 get_var_string(&retvar), -1, FALSE);
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 /*
|
|
|
1185 * ":let var = expr": Set internal variable.
|
|
|
1186 */
|
|
|
1187 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1188 {
|
|
|
1189 /* Find the end of the name. */
|
|
|
1190 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1191
|
|
|
1192 if (*skipwhite(p) != '=')
|
|
|
1193 EMSG(_(e_letunexp));
|
|
|
1194 else if (p - arg == 13
|
|
|
1195 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1196 EMSG2(_(e_readonlyvar), arg);
|
|
|
1197 #ifdef FEAT_MAGIC_BRACES
|
|
|
1198 else if (expr_start != NULL)
|
|
|
1199 {
|
|
|
1200 char_u *temp_string;
|
|
|
1201
|
|
|
1202 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1203 expr_end, p);
|
|
|
1204 if (temp_string == NULL)
|
|
|
1205 {
|
|
|
1206 /*
|
|
|
1207 * Report an invalid expression in braces, unless the
|
|
|
1208 * expression evaluation has been cancelled due to an
|
|
|
1209 * aborting error, an interrupt, or an exception.
|
|
|
1210 */
|
|
|
1211 if (!aborting())
|
|
|
1212 EMSG2(_(e_invarg2), arg);
|
|
|
1213 }
|
|
|
1214 else
|
|
|
1215 {
|
|
|
1216 set_var(temp_string, &retvar);
|
|
|
1217 vim_free(temp_string);
|
|
|
1218 }
|
|
|
1219 }
|
|
|
1220 #endif
|
|
|
1221 else
|
|
|
1222 {
|
|
|
1223 c1 = *p;
|
|
|
1224 *p = NUL;
|
|
|
1225 set_var(arg, &retvar);
|
|
|
1226 *p = c1; /* put char back for error messages */
|
|
|
1227 }
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 else
|
|
|
1231 {
|
|
|
1232 EMSG2(_(e_invarg2), arg);
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 clear_var(&retvar);
|
|
|
1236 }
|
|
|
1237 }
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1241
|
|
|
1242 void
|
|
|
1243 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1244 expand_T *xp;
|
|
|
1245 char_u *arg;
|
|
|
1246 cmdidx_T cmdidx;
|
|
|
1247 {
|
|
|
1248 int got_eq = FALSE;
|
|
|
1249 int c;
|
|
|
1250
|
|
|
1251 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1252 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1253 : EXPAND_EXPRESSION;
|
|
|
1254 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1255 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1256 {
|
|
|
1257 c = *xp->xp_pattern;
|
|
|
1258 if (c == '&')
|
|
|
1259 {
|
|
|
1260 c = xp->xp_pattern[1];
|
|
|
1261 if (c == '&')
|
|
|
1262 {
|
|
|
1263 ++xp->xp_pattern;
|
|
|
1264 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1265 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1266 }
|
|
|
1267 else if (c != ' ')
|
|
|
1268 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1269 }
|
|
|
1270 else if (c == '$')
|
|
|
1271 {
|
|
|
1272 /* environment variable */
|
|
|
1273 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1274 }
|
|
|
1275 else if (c == '=')
|
|
|
1276 {
|
|
|
1277 got_eq = TRUE;
|
|
|
1278 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1279 }
|
|
|
1280 else if (c == '<'
|
|
|
1281 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1282 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1283 {
|
|
|
1284 /* Function name can start with "<SNR>" */
|
|
|
1285 break;
|
|
|
1286 }
|
|
|
1287 else if (cmdidx != CMD_let || got_eq)
|
|
|
1288 {
|
|
|
1289 if (c == '"') /* string */
|
|
|
1290 {
|
|
|
1291 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1292 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1293 ++xp->xp_pattern;
|
|
|
1294 xp->xp_context = EXPAND_NOTHING;
|
|
|
1295 }
|
|
|
1296 else if (c == '\'') /* literal string */
|
|
|
1297 {
|
|
|
1298 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1299 /* skip */ ;
|
|
|
1300 xp->xp_context = EXPAND_NOTHING;
|
|
|
1301 }
|
|
|
1302 else if (c == '|')
|
|
|
1303 {
|
|
|
1304 if (xp->xp_pattern[1] == '|')
|
|
|
1305 {
|
|
|
1306 ++xp->xp_pattern;
|
|
|
1307 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1308 }
|
|
|
1309 else
|
|
|
1310 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1311 }
|
|
|
1312 else
|
|
|
1313 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1314 }
|
|
|
1315 else
|
|
|
1316 xp->xp_context = EXPAND_NOTHING;
|
|
|
1317 arg = xp->xp_pattern;
|
|
|
1318 if (*arg != NUL)
|
|
|
1319 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1320 /* skip */ ;
|
|
|
1321 }
|
|
|
1322 xp->xp_pattern = arg;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325 #endif /* FEAT_CMDL_COMPL */
|
|
|
1326
|
|
|
1327 /*
|
|
|
1328 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1329 */
|
|
|
1330 void
|
|
|
1331 ex_call(eap)
|
|
|
1332 exarg_T *eap;
|
|
|
1333 {
|
|
|
1334 char_u *arg = eap->arg;
|
|
|
1335 char_u *startarg;
|
|
|
1336 char_u *alias;
|
|
|
1337 char_u *name;
|
|
|
1338 var retvar;
|
|
|
1339 int len;
|
|
|
1340 linenr_T lnum;
|
|
|
1341 int doesrange;
|
|
|
1342 int failed = FALSE;
|
|
|
1343
|
|
|
1344 name = arg;
|
|
|
1345 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1346 if (len == 0)
|
|
|
1347 goto end;
|
|
|
1348 if (alias != NULL)
|
|
|
1349 name = alias;
|
|
|
1350
|
|
|
1351 startarg = arg;
|
|
|
1352 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1353
|
|
|
1354 if (*startarg != '(')
|
|
|
1355 {
|
|
|
1356 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1357 goto end;
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 /*
|
|
|
1361 * When skipping, evaluate the function once, to find the end of the
|
|
|
1362 * arguments.
|
|
|
1363 * When the function takes a range, this is discovered after the first
|
|
|
1364 * call, and the loop is broken.
|
|
|
1365 */
|
|
|
1366 if (eap->skip)
|
|
|
1367 {
|
|
|
1368 ++emsg_skip;
|
|
|
1369 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1370 }
|
|
|
1371 else
|
|
|
1372 lnum = eap->line1;
|
|
|
1373 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1374 {
|
|
|
1375 if (!eap->skip && eap->addr_count > 0)
|
|
|
1376 {
|
|
|
1377 curwin->w_cursor.lnum = lnum;
|
|
|
1378 curwin->w_cursor.col = 0;
|
|
|
1379 }
|
|
|
1380 arg = startarg;
|
|
|
1381 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1382 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1383 {
|
|
|
1384 failed = TRUE;
|
|
|
1385 break;
|
|
|
1386 }
|
|
|
1387 clear_var(&retvar);
|
|
|
1388 if (doesrange || eap->skip)
|
|
|
1389 break;
|
|
|
1390 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1391 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1392 * returned OK, so that the check for trailing characters below is
|
|
|
1393 * executed. */
|
|
|
1394 if (aborting())
|
|
|
1395 break;
|
|
|
1396 }
|
|
|
1397 if (eap->skip)
|
|
|
1398 --emsg_skip;
|
|
|
1399
|
|
|
1400 if (!failed)
|
|
|
1401 {
|
|
|
1402 /* Check for trailing illegal characters and a following command. */
|
|
|
1403 if (!ends_excmd(*arg))
|
|
|
1404 {
|
|
|
1405 emsg_severe = TRUE;
|
|
|
1406 EMSG(_(e_trailing));
|
|
|
1407 }
|
|
|
1408 else
|
|
|
1409 eap->nextcmd = check_nextcmd(arg);
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 end:
|
|
|
1413 if (alias != NULL)
|
|
|
1414 vim_free(alias);
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 /*
|
|
|
1418 * ":unlet[!] var1 ... " command.
|
|
|
1419 */
|
|
|
1420 void
|
|
|
1421 ex_unlet(eap)
|
|
|
1422 exarg_T *eap;
|
|
|
1423 {
|
|
|
1424 char_u *arg = eap->arg;
|
|
|
1425 char_u *name_end;
|
|
|
1426 char_u cc;
|
|
|
1427 char_u *expr_start;
|
|
|
1428 char_u *expr_end;
|
|
|
1429 int error = FALSE;
|
|
|
1430
|
|
|
1431 do
|
|
|
1432 {
|
|
|
1433 /* Find the end of the name. */
|
|
|
1434 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1435
|
|
|
1436 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1437 {
|
|
|
1438 emsg_severe = TRUE;
|
|
|
1439 EMSG(_(e_trailing));
|
|
|
1440 break;
|
|
|
1441 }
|
|
|
1442
|
|
|
1443 if (!error && !eap->skip)
|
|
|
1444 {
|
|
|
1445 #ifdef FEAT_MAGIC_BRACES
|
|
|
1446 if (expr_start != NULL)
|
|
|
1447 {
|
|
|
1448 char_u *temp_string;
|
|
|
1449
|
|
|
1450 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1451 expr_end, name_end);
|
|
|
1452 if (temp_string == NULL)
|
|
|
1453 {
|
|
|
1454 /*
|
|
|
1455 * Report an invalid expression in braces, unless the
|
|
|
1456 * expression evaluation has been cancelled due to an
|
|
|
1457 * aborting error, an interrupt, or an exception.
|
|
|
1458 */
|
|
|
1459 if (!aborting())
|
|
|
1460 {
|
|
|
1461 emsg_severe = TRUE;
|
|
|
1462 EMSG2(_(e_invarg2), arg);
|
|
|
1463 break;
|
|
|
1464 }
|
|
|
1465 error = TRUE;
|
|
|
1466 }
|
|
|
1467 else
|
|
|
1468 {
|
|
|
1469 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1470 {
|
|
|
1471 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1472 error = TRUE;
|
|
|
1473 }
|
|
|
1474 vim_free(temp_string);
|
|
|
1475 }
|
|
|
1476 }
|
|
|
1477 else
|
|
|
1478 #endif
|
|
|
1479 {
|
|
|
1480 cc = *name_end;
|
|
|
1481 *name_end = NUL;
|
|
|
1482
|
|
|
1483 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1484 {
|
|
|
1485 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1486 error = TRUE;
|
|
|
1487 }
|
|
|
1488
|
|
|
1489 *name_end = cc;
|
|
|
1490 }
|
|
|
1491 }
|
|
|
1492 arg = skipwhite(name_end);
|
|
|
1493 } while (!ends_excmd(*arg));
|
|
|
1494
|
|
|
1495 eap->nextcmd = check_nextcmd(arg);
|
|
|
1496 }
|
|
|
1497
|
|
|
1498 /*
|
|
|
1499 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1500 */
|
|
|
1501 int
|
|
|
1502 do_unlet(name)
|
|
|
1503 char_u *name;
|
|
|
1504 {
|
|
|
1505 VAR v;
|
|
|
1506
|
|
|
1507 v = find_var(name, TRUE);
|
|
|
1508 if (v != NULL)
|
|
|
1509 {
|
|
|
1510 var_free_one(v);
|
|
|
1511 return OK;
|
|
|
1512 }
|
|
|
1513 return FAIL;
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1517 /*
|
|
|
1518 * Delete all "menutrans_" variables.
|
|
|
1519 */
|
|
|
1520 void
|
|
|
1521 del_menutrans_vars()
|
|
|
1522 {
|
|
|
1523 int i;
|
|
|
1524
|
|
|
1525 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1526 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1527 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1528 var_free_one(&VAR_ENTRY(i));
|
|
|
1529 }
|
|
|
1530 #endif
|
|
|
1531
|
|
|
1532 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1533
|
|
|
1534 /*
|
|
|
1535 * Local string buffer for the next two functions to store a variable name
|
|
|
1536 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1537 * get_user_var_name().
|
|
|
1538 */
|
|
|
1539
|
|
|
1540 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1541
|
|
|
1542 static char_u *varnamebuf = NULL;
|
|
|
1543 static int varnamebuflen = 0;
|
|
|
1544
|
|
|
1545 /*
|
|
|
1546 * Function to concatenate a prefix and a variable name.
|
|
|
1547 */
|
|
|
1548 static char_u *
|
|
|
1549 cat_prefix_varname(prefix, name)
|
|
|
1550 int prefix;
|
|
|
1551 char_u *name;
|
|
|
1552 {
|
|
|
1553 int len;
|
|
|
1554
|
|
|
1555 len = (int)STRLEN(name) + 3;
|
|
|
1556 if (len > varnamebuflen)
|
|
|
1557 {
|
|
|
1558 vim_free(varnamebuf);
|
|
|
1559 len += 10; /* some additional space */
|
|
|
1560 varnamebuf = alloc(len);
|
|
|
1561 if (varnamebuf == NULL)
|
|
|
1562 {
|
|
|
1563 varnamebuflen = 0;
|
|
|
1564 return NULL;
|
|
|
1565 }
|
|
|
1566 varnamebuflen = len;
|
|
|
1567 }
|
|
|
1568 *varnamebuf = prefix;
|
|
|
1569 varnamebuf[1] = ':';
|
|
|
1570 STRCPY(varnamebuf + 2, name);
|
|
|
1571 return varnamebuf;
|
|
|
1572 }
|
|
|
1573
|
|
|
1574 /*
|
|
|
1575 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1576 * (global/buffer/window/built-in) variable names.
|
|
|
1577 */
|
|
|
1578 /*ARGSUSED*/
|
|
|
1579 char_u *
|
|
|
1580 get_user_var_name(xp, idx)
|
|
|
1581 expand_T *xp;
|
|
|
1582 int idx;
|
|
|
1583 {
|
|
|
1584 static int gidx;
|
|
|
1585 static int bidx;
|
|
|
1586 static int widx;
|
|
|
1587 static int vidx;
|
|
|
1588 char_u *name;
|
|
|
1589
|
|
|
1590 if (idx == 0)
|
|
|
1591 gidx = bidx = widx = vidx = 0;
|
|
|
1592 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1593 {
|
|
|
1594 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1595 && gidx < variables.ga_len)
|
|
|
1596 /* skip */;
|
|
|
1597 if (name != NULL)
|
|
|
1598 {
|
|
|
1599 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1600 return cat_prefix_varname('g', name);
|
|
|
1601 else
|
|
|
1602 return name;
|
|
|
1603 }
|
|
|
1604 }
|
|
|
1605 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1606 {
|
|
|
1607 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1608 && bidx < curbuf->b_vars.ga_len)
|
|
|
1609 /* skip */;
|
|
|
1610 if (name != NULL)
|
|
|
1611 return cat_prefix_varname('b', name);
|
|
|
1612 }
|
|
|
1613 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1614 {
|
|
|
1615 ++bidx;
|
|
|
1616 return (char_u *)"b:changedtick";
|
|
|
1617 }
|
|
|
1618 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1619 {
|
|
|
1620 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1621 && widx < curwin->w_vars.ga_len)
|
|
|
1622 /* skip */;
|
|
|
1623 if (name != NULL)
|
|
|
1624 return cat_prefix_varname('w', name);
|
|
|
1625 }
|
|
|
1626 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1627 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1628
|
|
|
1629 vim_free(varnamebuf);
|
|
|
1630 varnamebuf = NULL;
|
|
|
1631 varnamebuflen = 0;
|
|
|
1632 return NULL;
|
|
|
1633 }
|
|
|
1634
|
|
|
1635 #endif /* FEAT_CMDL_COMPL */
|
|
|
1636
|
|
|
1637 /*
|
|
|
1638 * types for expressions.
|
|
|
1639 */
|
|
|
1640 typedef enum
|
|
|
1641 {
|
|
|
1642 TYPE_UNKNOWN = 0
|
|
|
1643 , TYPE_EQUAL /* == */
|
|
|
1644 , TYPE_NEQUAL /* != */
|
|
|
1645 , TYPE_GREATER /* > */
|
|
|
1646 , TYPE_GEQUAL /* >= */
|
|
|
1647 , TYPE_SMALLER /* < */
|
|
|
1648 , TYPE_SEQUAL /* <= */
|
|
|
1649 , TYPE_MATCH /* =~ */
|
|
|
1650 , TYPE_NOMATCH /* !~ */
|
|
|
1651 } exptype_T;
|
|
|
1652
|
|
|
1653 /*
|
|
|
1654 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1655 * executed. The function may return OK, but the retvar will be of type
|
|
|
1656 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1657 */
|
|
|
1658
|
|
|
1659 /*
|
|
|
1660 * Handle zero level expression.
|
|
|
1661 * This calls eval1() and handles error message and nextcmd.
|
|
|
1662 * Return OK or FAIL.
|
|
|
1663 */
|
|
|
1664 static int
|
|
|
1665 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1666 char_u *arg;
|
|
|
1667 VAR retvar;
|
|
|
1668 char_u **nextcmd;
|
|
|
1669 int evaluate;
|
|
|
1670 {
|
|
|
1671 int ret;
|
|
|
1672 char_u *p;
|
|
|
1673
|
|
|
1674 p = skipwhite(arg);
|
|
|
1675 ret = eval1(&p, retvar, evaluate);
|
|
|
1676 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1677 {
|
|
|
1678 if (ret != FAIL)
|
|
|
1679 clear_var(retvar);
|
|
|
1680 /*
|
|
|
1681 * Report the invalid expression unless the expression evaluation has
|
|
|
1682 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1683 * exception.
|
|
|
1684 */
|
|
|
1685 if (!aborting())
|
|
|
1686 EMSG2(_(e_invexpr2), arg);
|
|
|
1687 ret = FAIL;
|
|
|
1688 }
|
|
|
1689 if (nextcmd != NULL)
|
|
|
1690 *nextcmd = check_nextcmd(p);
|
|
|
1691
|
|
|
1692 return ret;
|
|
|
1693 }
|
|
|
1694
|
|
|
1695 /*
|
|
|
1696 * Handle top level expression:
|
|
|
1697 * expr1 ? expr0 : expr0
|
|
|
1698 *
|
|
|
1699 * "arg" must point to the first non-white of the expression.
|
|
|
1700 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1701 *
|
|
|
1702 * Return OK or FAIL.
|
|
|
1703 */
|
|
|
1704 static int
|
|
|
1705 eval1(arg, retvar, evaluate)
|
|
|
1706 char_u **arg;
|
|
|
1707 VAR retvar;
|
|
|
1708 int evaluate;
|
|
|
1709 {
|
|
|
1710 int result;
|
|
|
1711 var var2;
|
|
|
1712
|
|
|
1713 /*
|
|
|
1714 * Get the first variable.
|
|
|
1715 */
|
|
|
1716 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1717 return FAIL;
|
|
|
1718
|
|
|
1719 if ((*arg)[0] == '?')
|
|
|
1720 {
|
|
|
1721 result = FALSE;
|
|
|
1722 if (evaluate)
|
|
|
1723 {
|
|
|
1724 if (get_var_number(retvar) != 0)
|
|
|
1725 result = TRUE;
|
|
|
1726 clear_var(retvar);
|
|
|
1727 }
|
|
|
1728
|
|
|
1729 /*
|
|
|
1730 * Get the second variable.
|
|
|
1731 */
|
|
|
1732 *arg = skipwhite(*arg + 1);
|
|
|
1733 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1734 return FAIL;
|
|
|
1735
|
|
|
1736 /*
|
|
|
1737 * Check for the ":".
|
|
|
1738 */
|
|
|
1739 if ((*arg)[0] != ':')
|
|
|
1740 {
|
|
|
1741 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1742 if (evaluate && result)
|
|
|
1743 clear_var(retvar);
|
|
|
1744 return FAIL;
|
|
|
1745 }
|
|
|
1746
|
|
|
1747 /*
|
|
|
1748 * Get the third variable.
|
|
|
1749 */
|
|
|
1750 *arg = skipwhite(*arg + 1);
|
|
|
1751 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1752 {
|
|
|
1753 if (evaluate && result)
|
|
|
1754 clear_var(retvar);
|
|
|
1755 return FAIL;
|
|
|
1756 }
|
|
|
1757 if (evaluate && !result)
|
|
|
1758 *retvar = var2;
|
|
|
1759 }
|
|
|
1760
|
|
|
1761 return OK;
|
|
|
1762 }
|
|
|
1763
|
|
|
1764 /*
|
|
|
1765 * Handle first level expression:
|
|
|
1766 * expr2 || expr2 || expr2 logical OR
|
|
|
1767 *
|
|
|
1768 * "arg" must point to the first non-white of the expression.
|
|
|
1769 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1770 *
|
|
|
1771 * Return OK or FAIL.
|
|
|
1772 */
|
|
|
1773 static int
|
|
|
1774 eval2(arg, retvar, evaluate)
|
|
|
1775 char_u **arg;
|
|
|
1776 VAR retvar;
|
|
|
1777 int evaluate;
|
|
|
1778 {
|
|
|
1779 var var2;
|
|
|
1780 long result;
|
|
|
1781 int first;
|
|
|
1782
|
|
|
1783 /*
|
|
|
1784 * Get the first variable.
|
|
|
1785 */
|
|
|
1786 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1787 return FAIL;
|
|
|
1788
|
|
|
1789 /*
|
|
|
1790 * Repeat until there is no following "||".
|
|
|
1791 */
|
|
|
1792 first = TRUE;
|
|
|
1793 result = FALSE;
|
|
|
1794 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1795 {
|
|
|
1796 if (evaluate && first)
|
|
|
1797 {
|
|
|
1798 if (get_var_number(retvar) != 0)
|
|
|
1799 result = TRUE;
|
|
|
1800 clear_var(retvar);
|
|
|
1801 first = FALSE;
|
|
|
1802 }
|
|
|
1803
|
|
|
1804 /*
|
|
|
1805 * Get the second variable.
|
|
|
1806 */
|
|
|
1807 *arg = skipwhite(*arg + 2);
|
|
|
1808 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1809 return FAIL;
|
|
|
1810
|
|
|
1811 /*
|
|
|
1812 * Compute the result.
|
|
|
1813 */
|
|
|
1814 if (evaluate && !result)
|
|
|
1815 {
|
|
|
1816 if (get_var_number(&var2) != 0)
|
|
|
1817 result = TRUE;
|
|
|
1818 clear_var(&var2);
|
|
|
1819 }
|
|
|
1820 if (evaluate)
|
|
|
1821 {
|
|
|
1822 retvar->var_type = VAR_NUMBER;
|
|
|
1823 retvar->var_val.var_number = result;
|
|
|
1824 }
|
|
|
1825 }
|
|
|
1826
|
|
|
1827 return OK;
|
|
|
1828 }
|
|
|
1829
|
|
|
1830 /*
|
|
|
1831 * Handle second level expression:
|
|
|
1832 * expr3 && expr3 && expr3 logical AND
|
|
|
1833 *
|
|
|
1834 * "arg" must point to the first non-white of the expression.
|
|
|
1835 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1836 *
|
|
|
1837 * Return OK or FAIL.
|
|
|
1838 */
|
|
|
1839 static int
|
|
|
1840 eval3(arg, retvar, evaluate)
|
|
|
1841 char_u **arg;
|
|
|
1842 VAR retvar;
|
|
|
1843 int evaluate;
|
|
|
1844 {
|
|
|
1845 var var2;
|
|
|
1846 long result;
|
|
|
1847 int first;
|
|
|
1848
|
|
|
1849 /*
|
|
|
1850 * Get the first variable.
|
|
|
1851 */
|
|
|
1852 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1853 return FAIL;
|
|
|
1854
|
|
|
1855 /*
|
|
|
1856 * Repeat until there is no following "&&".
|
|
|
1857 */
|
|
|
1858 first = TRUE;
|
|
|
1859 result = TRUE;
|
|
|
1860 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1861 {
|
|
|
1862 if (evaluate && first)
|
|
|
1863 {
|
|
|
1864 if (get_var_number(retvar) == 0)
|
|
|
1865 result = FALSE;
|
|
|
1866 clear_var(retvar);
|
|
|
1867 first = FALSE;
|
|
|
1868 }
|
|
|
1869
|
|
|
1870 /*
|
|
|
1871 * Get the second variable.
|
|
|
1872 */
|
|
|
1873 *arg = skipwhite(*arg + 2);
|
|
|
1874 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1875 return FAIL;
|
|
|
1876
|
|
|
1877 /*
|
|
|
1878 * Compute the result.
|
|
|
1879 */
|
|
|
1880 if (evaluate && result)
|
|
|
1881 {
|
|
|
1882 if (get_var_number(&var2) == 0)
|
|
|
1883 result = FALSE;
|
|
|
1884 clear_var(&var2);
|
|
|
1885 }
|
|
|
1886 if (evaluate)
|
|
|
1887 {
|
|
|
1888 retvar->var_type = VAR_NUMBER;
|
|
|
1889 retvar->var_val.var_number = result;
|
|
|
1890 }
|
|
|
1891 }
|
|
|
1892
|
|
|
1893 return OK;
|
|
|
1894 }
|
|
|
1895
|
|
|
1896 /*
|
|
|
1897 * Handle third level expression:
|
|
|
1898 * var1 == var2
|
|
|
1899 * var1 =~ var2
|
|
|
1900 * var1 != var2
|
|
|
1901 * var1 !~ var2
|
|
|
1902 * var1 > var2
|
|
|
1903 * var1 >= var2
|
|
|
1904 * var1 < var2
|
|
|
1905 * var1 <= var2
|
|
|
1906 *
|
|
|
1907 * "arg" must point to the first non-white of the expression.
|
|
|
1908 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1909 *
|
|
|
1910 * Return OK or FAIL.
|
|
|
1911 */
|
|
|
1912 static int
|
|
|
1913 eval4(arg, retvar, evaluate)
|
|
|
1914 char_u **arg;
|
|
|
1915 VAR retvar;
|
|
|
1916 int evaluate;
|
|
|
1917 {
|
|
|
1918 var var2;
|
|
|
1919 char_u *p;
|
|
|
1920 int i;
|
|
|
1921 exptype_T type = TYPE_UNKNOWN;
|
|
|
1922 int len = 2;
|
|
|
1923 long n1, n2;
|
|
|
1924 char_u *s1, *s2;
|
|
|
1925 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1926 regmatch_T regmatch;
|
|
|
1927 int ic;
|
|
|
1928 char_u *save_cpo;
|
|
|
1929
|
|
|
1930 /*
|
|
|
1931 * Get the first variable.
|
|
|
1932 */
|
|
|
1933 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1934 return FAIL;
|
|
|
1935
|
|
|
1936 p = *arg;
|
|
|
1937 switch (p[0])
|
|
|
1938 {
|
|
|
1939 case '=': if (p[1] == '=')
|
|
|
1940 type = TYPE_EQUAL;
|
|
|
1941 else if (p[1] == '~')
|
|
|
1942 type = TYPE_MATCH;
|
|
|
1943 break;
|
|
|
1944 case '!': if (p[1] == '=')
|
|
|
1945 type = TYPE_NEQUAL;
|
|
|
1946 else if (p[1] == '~')
|
|
|
1947 type = TYPE_NOMATCH;
|
|
|
1948 break;
|
|
|
1949 case '>': if (p[1] != '=')
|
|
|
1950 {
|
|
|
1951 type = TYPE_GREATER;
|
|
|
1952 len = 1;
|
|
|
1953 }
|
|
|
1954 else
|
|
|
1955 type = TYPE_GEQUAL;
|
|
|
1956 break;
|
|
|
1957 case '<': if (p[1] != '=')
|
|
|
1958 {
|
|
|
1959 type = TYPE_SMALLER;
|
|
|
1960 len = 1;
|
|
|
1961 }
|
|
|
1962 else
|
|
|
1963 type = TYPE_SEQUAL;
|
|
|
1964 break;
|
|
|
1965 }
|
|
|
1966
|
|
|
1967 /*
|
|
|
1968 * If there is a comparitive operator, use it.
|
|
|
1969 */
|
|
|
1970 if (type != TYPE_UNKNOWN)
|
|
|
1971 {
|
|
|
1972 /* extra question mark appended: ignore case */
|
|
|
1973 if (p[len] == '?')
|
|
|
1974 {
|
|
|
1975 ic = TRUE;
|
|
|
1976 ++len;
|
|
|
1977 }
|
|
|
1978 /* extra '#' appended: match case */
|
|
|
1979 else if (p[len] == '#')
|
|
|
1980 {
|
|
|
1981 ic = FALSE;
|
|
|
1982 ++len;
|
|
|
1983 }
|
|
|
1984 /* nothing appened: use 'ignorecase' */
|
|
|
1985 else
|
|
|
1986 ic = p_ic;
|
|
|
1987
|
|
|
1988 /*
|
|
|
1989 * Get the second variable.
|
|
|
1990 */
|
|
|
1991 *arg = skipwhite(p + len);
|
|
|
1992 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1993 {
|
|
|
1994 clear_var(retvar);
|
|
|
1995 return FAIL;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 if (evaluate)
|
|
|
1999 {
|
|
|
2000 /*
|
|
|
2001 * If one of the two variables is a number, compare as a number.
|
|
|
2002 * When using "=~" or "!~", always compare as string.
|
|
|
2003 */
|
|
|
2004 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
2005 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2006 {
|
|
|
2007 n1 = get_var_number(retvar);
|
|
|
2008 n2 = get_var_number(&var2);
|
|
|
2009 switch (type)
|
|
|
2010 {
|
|
|
2011 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
2012 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
2013 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
2014 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
2015 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
2016 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
2017 case TYPE_UNKNOWN:
|
|
|
2018 case TYPE_MATCH:
|
|
|
2019 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
2020 }
|
|
|
2021 }
|
|
|
2022 else
|
|
|
2023 {
|
|
|
2024 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2025 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2026 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2027 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
2028 else
|
|
|
2029 i = 0;
|
|
|
2030 n1 = FALSE;
|
|
|
2031 switch (type)
|
|
|
2032 {
|
|
|
2033 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
2034 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
2035 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2036 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2037 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2038 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2039
|
|
|
2040 case TYPE_MATCH:
|
|
|
2041 case TYPE_NOMATCH:
|
|
|
2042 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2043 save_cpo = p_cpo;
|
|
|
2044 p_cpo = (char_u *)"";
|
|
|
2045 regmatch.regprog = vim_regcomp(s2,
|
|
|
2046 RE_MAGIC + RE_STRING);
|
|
|
2047 regmatch.rm_ic = ic;
|
|
|
2048 if (regmatch.regprog != NULL)
|
|
|
2049 {
|
|
|
2050 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2051 vim_free(regmatch.regprog);
|
|
|
2052 if (type == TYPE_NOMATCH)
|
|
|
2053 n1 = !n1;
|
|
|
2054 }
|
|
|
2055 p_cpo = save_cpo;
|
|
|
2056 break;
|
|
|
2057
|
|
|
2058 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2059 }
|
|
|
2060 }
|
|
|
2061 clear_var(retvar);
|
|
|
2062 clear_var(&var2);
|
|
|
2063 retvar->var_type = VAR_NUMBER;
|
|
|
2064 retvar->var_val.var_number = n1;
|
|
|
2065 }
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 return OK;
|
|
|
2069 }
|
|
|
2070
|
|
|
2071 /*
|
|
|
2072 * Handle fourth level expression:
|
|
|
2073 * + number addition
|
|
|
2074 * - number subtraction
|
|
|
2075 * . string concatenation
|
|
|
2076 *
|
|
|
2077 * "arg" must point to the first non-white of the expression.
|
|
|
2078 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2079 *
|
|
|
2080 * Return OK or FAIL.
|
|
|
2081 */
|
|
|
2082 static int
|
|
|
2083 eval5(arg, retvar, evaluate)
|
|
|
2084 char_u **arg;
|
|
|
2085 VAR retvar;
|
|
|
2086 int evaluate;
|
|
|
2087 {
|
|
|
2088 var var2;
|
|
|
2089 int op;
|
|
|
2090 long n1, n2;
|
|
|
2091 char_u *s1, *s2;
|
|
|
2092 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2093 char_u *p;
|
|
|
2094
|
|
|
2095 /*
|
|
|
2096 * Get the first variable.
|
|
|
2097 */
|
|
|
2098 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2099 return FAIL;
|
|
|
2100
|
|
|
2101 /*
|
|
|
2102 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2103 */
|
|
|
2104 for (;;)
|
|
|
2105 {
|
|
|
2106 op = **arg;
|
|
|
2107 if (op != '+' && op != '-' && op != '.')
|
|
|
2108 break;
|
|
|
2109
|
|
|
2110 /*
|
|
|
2111 * Get the second variable.
|
|
|
2112 */
|
|
|
2113 *arg = skipwhite(*arg + 1);
|
|
|
2114 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2115 {
|
|
|
2116 clear_var(retvar);
|
|
|
2117 return FAIL;
|
|
|
2118 }
|
|
|
2119
|
|
|
2120 if (evaluate)
|
|
|
2121 {
|
|
|
2122 /*
|
|
|
2123 * Compute the result.
|
|
|
2124 */
|
|
|
2125 if (op == '.')
|
|
|
2126 {
|
|
|
2127 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2128 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2129 op = (int)STRLEN(s1);
|
|
|
2130 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2131 if (p != NULL)
|
|
|
2132 {
|
|
|
2133 STRCPY(p, s1);
|
|
|
2134 STRCPY(p + op, s2);
|
|
|
2135 }
|
|
|
2136 clear_var(retvar);
|
|
|
2137 retvar->var_type = VAR_STRING;
|
|
|
2138 retvar->var_val.var_string = p;
|
|
|
2139 }
|
|
|
2140 else
|
|
|
2141 {
|
|
|
2142 n1 = get_var_number(retvar);
|
|
|
2143 n2 = get_var_number(&var2);
|
|
|
2144 clear_var(retvar);
|
|
|
2145 if (op == '+')
|
|
|
2146 n1 = n1 + n2;
|
|
|
2147 else
|
|
|
2148 n1 = n1 - n2;
|
|
|
2149 retvar->var_type = VAR_NUMBER;
|
|
|
2150 retvar->var_val.var_number = n1;
|
|
|
2151 }
|
|
|
2152 clear_var(&var2);
|
|
|
2153 }
|
|
|
2154 }
|
|
|
2155 return OK;
|
|
|
2156 }
|
|
|
2157
|
|
|
2158 /*
|
|
|
2159 * Handle fifth level expression:
|
|
|
2160 * * number multiplication
|
|
|
2161 * / number division
|
|
|
2162 * % number modulo
|
|
|
2163 *
|
|
|
2164 * "arg" must point to the first non-white of the expression.
|
|
|
2165 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2166 *
|
|
|
2167 * Return OK or FAIL.
|
|
|
2168 */
|
|
|
2169 static int
|
|
|
2170 eval6(arg, retvar, evaluate)
|
|
|
2171 char_u **arg;
|
|
|
2172 VAR retvar;
|
|
|
2173 int evaluate;
|
|
|
2174 {
|
|
|
2175 var var2;
|
|
|
2176 int op;
|
|
|
2177 long n1, n2;
|
|
|
2178
|
|
|
2179 /*
|
|
|
2180 * Get the first variable.
|
|
|
2181 */
|
|
|
2182 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2183 return FAIL;
|
|
|
2184
|
|
|
2185 /*
|
|
|
2186 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2187 */
|
|
|
2188 for (;;)
|
|
|
2189 {
|
|
|
2190 op = **arg;
|
|
|
2191 if (op != '*' && op != '/' && op != '%')
|
|
|
2192 break;
|
|
|
2193
|
|
|
2194 if (evaluate)
|
|
|
2195 {
|
|
|
2196 n1 = get_var_number(retvar);
|
|
|
2197 clear_var(retvar);
|
|
|
2198 }
|
|
|
2199 else
|
|
|
2200 n1 = 0;
|
|
|
2201
|
|
|
2202 /*
|
|
|
2203 * Get the second variable.
|
|
|
2204 */
|
|
|
2205 *arg = skipwhite(*arg + 1);
|
|
|
2206 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2207 return FAIL;
|
|
|
2208
|
|
|
2209 if (evaluate)
|
|
|
2210 {
|
|
|
2211 n2 = get_var_number(&var2);
|
|
|
2212 clear_var(&var2);
|
|
|
2213
|
|
|
2214 /*
|
|
|
2215 * Compute the result.
|
|
|
2216 */
|
|
|
2217 if (op == '*')
|
|
|
2218 n1 = n1 * n2;
|
|
|
2219 else if (op == '/')
|
|
|
2220 {
|
|
|
2221 if (n2 == 0) /* give an error message? */
|
|
|
2222 n1 = 0x7fffffffL;
|
|
|
2223 else
|
|
|
2224 n1 = n1 / n2;
|
|
|
2225 }
|
|
|
2226 else
|
|
|
2227 {
|
|
|
2228 if (n2 == 0) /* give an error message? */
|
|
|
2229 n1 = 0;
|
|
|
2230 else
|
|
|
2231 n1 = n1 % n2;
|
|
|
2232 }
|
|
|
2233 retvar->var_type = VAR_NUMBER;
|
|
|
2234 retvar->var_val.var_number = n1;
|
|
|
2235 }
|
|
|
2236 }
|
|
|
2237
|
|
|
2238 return OK;
|
|
|
2239 }
|
|
|
2240
|
|
|
2241 /*
|
|
|
2242 * Handle sixth level expression:
|
|
|
2243 * number number constant
|
|
|
2244 * "string" string contstant
|
|
|
2245 * 'string' literal string contstant
|
|
|
2246 * &option-name option value
|
|
|
2247 * @r register contents
|
|
|
2248 * identifier variable value
|
|
|
2249 * function() function call
|
|
|
2250 * $VAR environment variable
|
|
|
2251 * (expression) nested expression
|
|
|
2252 *
|
|
|
2253 * Also handle:
|
|
|
2254 * ! in front logical NOT
|
|
|
2255 * - in front unary minus
|
|
|
2256 * + in front unary plus (ignored)
|
|
|
2257 * trailing [] subscript in String
|
|
|
2258 *
|
|
|
2259 * "arg" must point to the first non-white of the expression.
|
|
|
2260 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2261 *
|
|
|
2262 * Return OK or FAIL.
|
|
|
2263 */
|
|
|
2264 static int
|
|
|
2265 eval7(arg, retvar, evaluate)
|
|
|
2266 char_u **arg;
|
|
|
2267 VAR retvar;
|
|
|
2268 int evaluate;
|
|
|
2269 {
|
|
|
2270 var var2;
|
|
|
2271 long n;
|
|
|
2272 int len;
|
|
|
2273 char_u *s;
|
|
|
2274 int val;
|
|
|
2275 char_u *start_leader, *end_leader;
|
|
|
2276 int ret = OK;
|
|
|
2277 char_u *alias;
|
|
|
2278
|
|
|
2279 /*
|
|
|
2280 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2281 * and free a string that isn't there.
|
|
|
2282 */
|
|
|
2283 retvar->var_type = VAR_UNKNOWN;
|
|
|
2284
|
|
|
2285 /*
|
|
|
2286 * Skip '!' and '-' characters. They are handled later.
|
|
|
2287 */
|
|
|
2288 start_leader = *arg;
|
|
|
2289 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2290 *arg = skipwhite(*arg + 1);
|
|
|
2291 end_leader = *arg;
|
|
|
2292
|
|
|
2293 switch (**arg)
|
|
|
2294 {
|
|
|
2295 /*
|
|
|
2296 * Number constant.
|
|
|
2297 */
|
|
|
2298 case '0':
|
|
|
2299 case '1':
|
|
|
2300 case '2':
|
|
|
2301 case '3':
|
|
|
2302 case '4':
|
|
|
2303 case '5':
|
|
|
2304 case '6':
|
|
|
2305 case '7':
|
|
|
2306 case '8':
|
|
|
2307 case '9':
|
|
|
2308 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2309 *arg += len;
|
|
|
2310 if (evaluate)
|
|
|
2311 {
|
|
|
2312 retvar->var_type = VAR_NUMBER;
|
|
|
2313 retvar->var_val.var_number = n;
|
|
|
2314 }
|
|
|
2315 break;
|
|
|
2316
|
|
|
2317 /*
|
|
|
2318 * String constant: "string".
|
|
|
2319 */
|
|
|
2320 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2321 break;
|
|
|
2322
|
|
|
2323 /*
|
|
|
2324 * Literal string constant: 'string'.
|
|
|
2325 */
|
|
|
2326 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2327 break;
|
|
|
2328
|
|
|
2329 /*
|
|
|
2330 * Option value: &name
|
|
|
2331 */
|
|
|
2332 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2333 break;
|
|
|
2334
|
|
|
2335 /*
|
|
|
2336 * Environment variable: $VAR.
|
|
|
2337 */
|
|
|
2338 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2339 break;
|
|
|
2340
|
|
|
2341 /*
|
|
|
2342 * Register contents: @r.
|
|
|
2343 */
|
|
|
2344 case '@': ++*arg;
|
|
|
2345 if (evaluate)
|
|
|
2346 {
|
|
|
2347 retvar->var_type = VAR_STRING;
|
|
|
2348 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2349 }
|
|
|
2350 if (**arg != NUL)
|
|
|
2351 ++*arg;
|
|
|
2352 break;
|
|
|
2353
|
|
|
2354 /*
|
|
|
2355 * nested expression: (expression).
|
|
|
2356 */
|
|
|
2357 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2358 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2359 if (**arg == ')')
|
|
|
2360 ++*arg;
|
|
|
2361 else if (ret == OK)
|
|
|
2362 {
|
|
|
2363 EMSG(_("E110: Missing ')'"));
|
|
|
2364 clear_var(retvar);
|
|
|
2365 ret = FAIL;
|
|
|
2366 }
|
|
|
2367 break;
|
|
|
2368
|
|
|
2369 /*
|
|
|
2370 * Must be a variable or function name then.
|
|
|
2371 */
|
|
|
2372 default: s = *arg;
|
|
|
2373 len = get_func_len(arg, &alias, evaluate);
|
|
|
2374 if (alias != NULL)
|
|
|
2375 s = alias;
|
|
|
2376
|
|
|
2377 if (len == 0)
|
|
|
2378 ret = FAIL;
|
|
|
2379 else
|
|
|
2380 {
|
|
|
2381 if (**arg == '(') /* recursive! */
|
|
|
2382 {
|
|
|
2383 ret = get_func_var(s, len, retvar, arg,
|
|
|
2384 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2385 &len, evaluate);
|
|
|
2386 /* Stop the expression evaluation when immediately
|
|
|
2387 * aborting on error, or when an interrupt occurred or
|
|
|
2388 * an exception was thrown but not caught. */
|
|
|
2389 if (aborting())
|
|
|
2390 {
|
|
|
2391 if (ret == OK)
|
|
|
2392 clear_var(retvar);
|
|
|
2393 ret = FAIL;
|
|
|
2394 }
|
|
|
2395 }
|
|
|
2396 else if (evaluate)
|
|
|
2397 ret = get_var_var(s, len, retvar);
|
|
|
2398 }
|
|
|
2399
|
|
|
2400 if (alias != NULL)
|
|
|
2401 vim_free(alias);
|
|
|
2402
|
|
|
2403 break;
|
|
|
2404 }
|
|
|
2405 *arg = skipwhite(*arg);
|
|
|
2406
|
|
|
2407 /*
|
|
|
2408 * Handle expr[expr] subscript.
|
|
|
2409 */
|
|
|
2410 if (**arg == '[' && ret == OK)
|
|
|
2411 {
|
|
|
2412 /*
|
|
|
2413 * Get the variable from inside the [].
|
|
|
2414 */
|
|
|
2415 *arg = skipwhite(*arg + 1);
|
|
|
2416 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2417 {
|
|
|
2418 clear_var(retvar);
|
|
|
2419 return FAIL;
|
|
|
2420 }
|
|
|
2421
|
|
|
2422 /* Check for the ']'. */
|
|
|
2423 if (**arg != ']')
|
|
|
2424 {
|
|
|
2425 EMSG(_("E111: Missing ']'"));
|
|
|
2426 clear_var(retvar);
|
|
|
2427 clear_var(&var2);
|
|
|
2428 return FAIL;
|
|
|
2429 }
|
|
|
2430
|
|
|
2431 if (evaluate)
|
|
|
2432 {
|
|
|
2433 n = get_var_number(&var2);
|
|
|
2434 clear_var(&var2);
|
|
|
2435
|
|
|
2436 /*
|
|
|
2437 * The resulting variable is a string of a single character.
|
|
|
2438 * If the index is too big or negative, the result is empty.
|
|
|
2439 */
|
|
|
2440 s = get_var_string(retvar);
|
|
|
2441 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2442 s = NULL;
|
|
|
2443 else
|
|
|
2444 s = vim_strnsave(s + n, 1);
|
|
|
2445 clear_var(retvar);
|
|
|
2446 retvar->var_type = VAR_STRING;
|
|
|
2447 retvar->var_val.var_string = s;
|
|
|
2448 }
|
|
|
2449 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2450 }
|
|
|
2451
|
|
|
2452 /*
|
|
|
2453 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2454 */
|
|
|
2455 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2456 {
|
|
|
2457 val = get_var_number(retvar);
|
|
|
2458 while (end_leader > start_leader)
|
|
|
2459 {
|
|
|
2460 --end_leader;
|
|
|
2461 if (*end_leader == '!')
|
|
|
2462 val = !val;
|
|
|
2463 else if (*end_leader == '-')
|
|
|
2464 val = -val;
|
|
|
2465 }
|
|
|
2466 clear_var(retvar);
|
|
|
2467 retvar->var_type = VAR_NUMBER;
|
|
|
2468 retvar->var_val.var_number = val;
|
|
|
2469 }
|
|
|
2470
|
|
|
2471 return ret;
|
|
|
2472 }
|
|
|
2473
|
|
|
2474 /*
|
|
|
2475 * Get an option value.
|
|
|
2476 * "arg" points to the '&' or '+' before the option name.
|
|
|
2477 * "arg" is advanced to character after the option name.
|
|
|
2478 * Return OK or FAIL.
|
|
|
2479 */
|
|
|
2480 static int
|
|
|
2481 get_option_var(arg, retvar, evaluate)
|
|
|
2482 char_u **arg;
|
|
|
2483 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2484 int evaluate;
|
|
|
2485 {
|
|
|
2486 char_u *option_end;
|
|
|
2487 long numval;
|
|
|
2488 char_u *stringval;
|
|
|
2489 int opt_type;
|
|
|
2490 int c;
|
|
|
2491 int working = (**arg == '+'); /* has("+option") */
|
|
|
2492 int ret = OK;
|
|
|
2493 int opt_flags;
|
|
|
2494
|
|
|
2495 /*
|
|
|
2496 * Isolate the option name and find its value.
|
|
|
2497 */
|
|
|
2498 option_end = find_option_end(arg, &opt_flags);
|
|
|
2499 if (option_end == NULL)
|
|
|
2500 {
|
|
|
2501 if (retvar != NULL)
|
|
|
2502 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2503 return FAIL;
|
|
|
2504 }
|
|
|
2505
|
|
|
2506 if (!evaluate)
|
|
|
2507 {
|
|
|
2508 *arg = option_end;
|
|
|
2509 return OK;
|
|
|
2510 }
|
|
|
2511
|
|
|
2512 c = *option_end;
|
|
|
2513 *option_end = NUL;
|
|
|
2514 opt_type = get_option_value(*arg, &numval,
|
|
|
2515 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2516
|
|
|
2517 if (opt_type == -3) /* invalid name */
|
|
|
2518 {
|
|
|
2519 if (retvar != NULL)
|
|
|
2520 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2521 ret = FAIL;
|
|
|
2522 }
|
|
|
2523 else if (retvar != NULL)
|
|
|
2524 {
|
|
|
2525 if (opt_type == -2) /* hidden string option */
|
|
|
2526 {
|
|
|
2527 retvar->var_type = VAR_STRING;
|
|
|
2528 retvar->var_val.var_string = NULL;
|
|
|
2529 }
|
|
|
2530 else if (opt_type == -1) /* hidden number option */
|
|
|
2531 {
|
|
|
2532 retvar->var_type = VAR_NUMBER;
|
|
|
2533 retvar->var_val.var_number = 0;
|
|
|
2534 }
|
|
|
2535 else if (opt_type == 1) /* number option */
|
|
|
2536 {
|
|
|
2537 retvar->var_type = VAR_NUMBER;
|
|
|
2538 retvar->var_val.var_number = numval;
|
|
|
2539 }
|
|
|
2540 else /* string option */
|
|
|
2541 {
|
|
|
2542 retvar->var_type = VAR_STRING;
|
|
|
2543 retvar->var_val.var_string = stringval;
|
|
|
2544 }
|
|
|
2545 }
|
|
|
2546 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2547 ret = FAIL;
|
|
|
2548
|
|
|
2549 *option_end = c; /* put back for error messages */
|
|
|
2550 *arg = option_end;
|
|
|
2551
|
|
|
2552 return ret;
|
|
|
2553 }
|
|
|
2554
|
|
|
2555 /*
|
|
|
2556 * Allocate a variable for a string constant.
|
|
|
2557 * Return OK or FAIL.
|
|
|
2558 */
|
|
|
2559 static int
|
|
|
2560 get_string_var(arg, retvar, evaluate)
|
|
|
2561 char_u **arg;
|
|
|
2562 VAR retvar;
|
|
|
2563 int evaluate;
|
|
|
2564 {
|
|
|
2565 char_u *p;
|
|
|
2566 char_u *name;
|
|
|
2567 int i;
|
|
|
2568 int extra = 0;
|
|
|
2569
|
|
|
2570 /*
|
|
|
2571 * Find the end of the string, skipping backslashed characters.
|
|
|
2572 */
|
|
|
2573 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2574 {
|
|
|
2575 if (*p == '\\' && p[1] != NUL)
|
|
|
2576 {
|
|
|
2577 ++p;
|
|
|
2578 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2579 * to 6 characters: reserve space for 2 extra */
|
|
|
2580 if (*p == '<')
|
|
|
2581 extra += 2;
|
|
|
2582 }
|
|
|
2583 #ifdef FEAT_MBYTE
|
|
|
2584 if (has_mbyte)
|
|
|
2585 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2586 #endif
|
|
|
2587 }
|
|
|
2588
|
|
|
2589 if (*p != '"')
|
|
|
2590 {
|
|
|
2591 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2592 return FAIL;
|
|
|
2593 }
|
|
|
2594
|
|
|
2595 /* If only parsing, set *arg and return here */
|
|
|
2596 if (!evaluate)
|
|
|
2597 {
|
|
|
2598 *arg = p + 1;
|
|
|
2599 return OK;
|
|
|
2600 }
|
|
|
2601
|
|
|
2602 /*
|
|
|
2603 * Copy the string into allocated memory, handling backslashed
|
|
|
2604 * characters.
|
|
|
2605 */
|
|
|
2606 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2607 if (name == NULL)
|
|
|
2608 return FAIL;
|
|
|
2609
|
|
|
2610 i = 0;
|
|
|
2611 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2612 {
|
|
|
2613 if (*p == '\\')
|
|
|
2614 {
|
|
|
2615 switch (*++p)
|
|
|
2616 {
|
|
|
2617 case 'b': name[i++] = BS; break;
|
|
|
2618 case 'e': name[i++] = ESC; break;
|
|
|
2619 case 'f': name[i++] = FF; break;
|
|
|
2620 case 'n': name[i++] = NL; break;
|
|
|
2621 case 'r': name[i++] = CAR; break;
|
|
|
2622 case 't': name[i++] = TAB; break;
|
|
|
2623
|
|
|
2624 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2625 case 'x':
|
|
|
2626 case 'u': /* Unicode: "\u0023" */
|
|
|
2627 case 'U':
|
|
|
2628 if (vim_isxdigit(p[1]))
|
|
|
2629 {
|
|
|
2630 int n, nr;
|
|
|
2631 int c = toupper(*p);
|
|
|
2632
|
|
|
2633 if (c == 'X')
|
|
|
2634 n = 2;
|
|
|
2635 else
|
|
|
2636 n = 4;
|
|
|
2637 nr = 0;
|
|
|
2638 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2639 {
|
|
|
2640 ++p;
|
|
|
2641 nr = (nr << 4) + hex2nr(*p);
|
|
|
2642 }
|
|
|
2643 #ifdef FEAT_MBYTE
|
|
|
2644 /* For "\u" store the number according to
|
|
|
2645 * 'encoding'. */
|
|
|
2646 if (c != 'X')
|
|
|
2647 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2648 else
|
|
|
2649 #endif
|
|
|
2650 name[i++] = nr;
|
|
|
2651 }
|
|
|
2652 else
|
|
|
2653 name[i++] = *p;
|
|
|
2654 break;
|
|
|
2655
|
|
|
2656 /* octal: "\1", "\12", "\123" */
|
|
|
2657 case '0':
|
|
|
2658 case '1':
|
|
|
2659 case '2':
|
|
|
2660 case '3':
|
|
|
2661 case '4':
|
|
|
2662 case '5':
|
|
|
2663 case '6':
|
|
|
2664 case '7': name[i] = *p - '0';
|
|
|
2665 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2666 {
|
|
|
2667 ++p;
|
|
|
2668 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2669 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2670 {
|
|
|
2671 ++p;
|
|
|
2672 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2673 }
|
|
|
2674 }
|
|
|
2675 ++i;
|
|
|
2676 break;
|
|
|
2677
|
|
|
2678 /* Special key, e.g.: "\<C-W>" */
|
|
|
2679 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2680 if (extra != 0)
|
|
|
2681 {
|
|
|
2682 i += extra;
|
|
|
2683 --p;
|
|
|
2684 break;
|
|
|
2685 }
|
|
|
2686 /* FALLTHROUGH */
|
|
|
2687
|
|
|
2688 default: name[i++] = *p;
|
|
|
2689 break;
|
|
|
2690 }
|
|
|
2691 }
|
|
|
2692 else
|
|
|
2693 name[i++] = *p;
|
|
|
2694
|
|
|
2695 #ifdef FEAT_MBYTE
|
|
|
2696 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2697 if (has_mbyte)
|
|
|
2698 {
|
|
|
2699 int l = (*mb_ptr2len_check)(p);
|
|
|
2700
|
|
|
2701 while (--l > 0)
|
|
|
2702 name[i++] = *++p;
|
|
|
2703 }
|
|
|
2704 #endif
|
|
|
2705 }
|
|
|
2706 name[i] = NUL;
|
|
|
2707 *arg = p + 1;
|
|
|
2708
|
|
|
2709 retvar->var_type = VAR_STRING;
|
|
|
2710 retvar->var_val.var_string = name;
|
|
|
2711
|
|
|
2712 return OK;
|
|
|
2713 }
|
|
|
2714
|
|
|
2715 /*
|
|
|
2716 * Allocate a variable for an backtick-string constant.
|
|
|
2717 * Return OK or FAIL.
|
|
|
2718 */
|
|
|
2719 static int
|
|
|
2720 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2721 char_u **arg;
|
|
|
2722 VAR retvar;
|
|
|
2723 int evaluate;
|
|
|
2724 {
|
|
|
2725 char_u *p;
|
|
|
2726 char_u *name;
|
|
|
2727
|
|
|
2728 /*
|
|
|
2729 * Find the end of the string.
|
|
|
2730 */
|
|
|
2731 p = vim_strchr(*arg + 1, '\'');
|
|
|
2732 if (p == NULL)
|
|
|
2733 {
|
|
|
2734 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2735 return FAIL;
|
|
|
2736 }
|
|
|
2737
|
|
|
2738 if (evaluate)
|
|
|
2739 {
|
|
|
2740 /*
|
|
|
2741 * Copy the string into allocated memory.
|
|
|
2742 */
|
|
|
2743 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2744 if (name == NULL)
|
|
|
2745 return FAIL;
|
|
|
2746
|
|
|
2747 retvar->var_type = VAR_STRING;
|
|
|
2748 retvar->var_val.var_string = name;
|
|
|
2749 }
|
|
|
2750
|
|
|
2751 *arg = p + 1;
|
|
|
2752
|
|
|
2753 return OK;
|
|
|
2754 }
|
|
|
2755
|
|
|
2756 /*
|
|
|
2757 * Get the value of an environment variable.
|
|
|
2758 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2759 * If the environment variable was not set, silently assume it is empty.
|
|
|
2760 * Always return OK.
|
|
|
2761 */
|
|
|
2762 static int
|
|
|
2763 get_env_var(arg, retvar, evaluate)
|
|
|
2764 char_u **arg;
|
|
|
2765 VAR retvar;
|
|
|
2766 int evaluate;
|
|
|
2767 {
|
|
|
2768 char_u *string = NULL;
|
|
|
2769 int len;
|
|
|
2770 int cc;
|
|
|
2771 char_u *name;
|
|
|
2772
|
|
|
2773 ++*arg;
|
|
|
2774 name = *arg;
|
|
|
2775 len = get_env_len(arg);
|
|
|
2776 if (evaluate)
|
|
|
2777 {
|
|
|
2778 if (len != 0)
|
|
|
2779 {
|
|
|
2780 cc = name[len];
|
|
|
2781 name[len] = NUL;
|
|
|
2782 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2783 string = mch_getenv(name);
|
|
|
2784 if (string != NULL && *string != NUL)
|
|
|
2785 string = vim_strsave(string);
|
|
|
2786 else
|
|
|
2787 {
|
|
|
2788 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2789 string = expand_env_save(name - 1);
|
|
|
2790 if (string != NULL && *string == '$')
|
|
|
2791 {
|
|
|
2792 vim_free(string);
|
|
|
2793 string = NULL;
|
|
|
2794 }
|
|
|
2795 }
|
|
|
2796 name[len] = cc;
|
|
|
2797 }
|
|
|
2798 retvar->var_type = VAR_STRING;
|
|
|
2799 retvar->var_val.var_string = string;
|
|
|
2800 }
|
|
|
2801
|
|
|
2802 return OK;
|
|
|
2803 }
|
|
|
2804
|
|
|
2805 /*
|
|
|
2806 * Array with names and number of arguments of all internal functions
|
|
|
2807 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2808 */
|
|
|
2809 static struct fst
|
|
|
2810 {
|
|
|
2811 char *f_name; /* function name */
|
|
|
2812 char f_min_argc; /* minimal number of arguments */
|
|
|
2813 char f_max_argc; /* maximal number of arguments */
|
|
|
2814 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2815 } functions[] =
|
|
|
2816 {
|
|
|
2817 {"append", 2, 2, f_append},
|
|
|
2818 {"argc", 0, 0, f_argc},
|
|
|
2819 {"argidx", 0, 0, f_argidx},
|
|
|
2820 {"argv", 1, 1, f_argv},
|
|
|
2821 {"browse", 4, 4, f_browse},
|
|
29
|
2822 {"browsedir", 2, 2, f_browsedir},
|
|
7
|
2823 {"bufexists", 1, 1, f_bufexists},
|
|
|
2824 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2825 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2826 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2827 {"buflisted", 1, 1, f_buflisted},
|
|
|
2828 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2829 {"bufname", 1, 1, f_bufname},
|
|
|
2830 {"bufnr", 1, 1, f_bufnr},
|
|
|
2831 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2832 {"byte2line", 1, 1, f_byte2line},
|
|
18
|
2833 {"byteidx", 2, 2, f_byteidx},
|
|
7
|
2834 {"char2nr", 1, 1, f_char2nr},
|
|
|
2835 {"cindent", 1, 1, f_cindent},
|
|
|
2836 {"col", 1, 1, f_col},
|
|
|
2837 {"confirm", 1, 4, f_confirm},
|
|
|
2838 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2839 {"cursor", 2, 2, f_cursor},
|
|
|
2840 {"delete", 1, 1, f_delete},
|
|
|
2841 {"did_filetype", 0, 0, f_did_filetype},
|
|
32
|
2842 {"diff_filler", 1, 1, f_diff_filler},
|
|
|
2843 {"diff_hlID", 2, 2, f_diff_hlID},
|
|
7
|
2844 {"escape", 2, 2, f_escape},
|
|
|
2845 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2846 {"executable", 1, 1, f_executable},
|
|
|
2847 {"exists", 1, 1, f_exists},
|
|
|
2848 {"expand", 1, 2, f_expand},
|
|
|
2849 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2850 {"filereadable", 1, 1, f_filereadable},
|
|
|
2851 {"filewritable", 1, 1, f_filewritable},
|
|
19
|
2852 {"finddir", 1, 3, f_finddir},
|
|
|
2853 {"findfile", 1, 3, f_findfile},
|
|
7
|
2854 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2855 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2856 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2857 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2858 {"foldtext", 0, 0, f_foldtext},
|
|
29
|
2859 {"foldtextresult", 1, 1, f_foldtextresult},
|
|
7
|
2860 {"foreground", 0, 0, f_foreground},
|
|
|
2861 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2862 {"getchar", 0, 1, f_getchar},
|
|
|
2863 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2864 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2865 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2866 {"getcwd", 0, 0, f_getcwd},
|
|
20
|
2867 {"getfperm", 1, 1, f_getfperm},
|
|
7
|
2868 {"getfsize", 1, 1, f_getfsize},
|
|
|
2869 {"getftime", 1, 1, f_getftime},
|
|
20
|
2870 {"getftype", 1, 1, f_getftype},
|
|
7
|
2871 {"getline", 1, 1, f_getline},
|
|
|
2872 {"getreg", 0, 1, f_getreg},
|
|
|
2873 {"getregtype", 0, 1, f_getregtype},
|
|
|
2874 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2875 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2876 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2877 {"glob", 1, 1, f_glob},
|
|
|
2878 {"globpath", 2, 2, f_globpath},
|
|
|
2879 {"has", 1, 1, f_has},
|
|
|
2880 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2881 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2882 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2883 {"histadd", 2, 2, f_histadd},
|
|
|
2884 {"histdel", 1, 2, f_histdel},
|
|
|
2885 {"histget", 1, 2, f_histget},
|
|
|
2886 {"histnr", 1, 1, f_histnr},
|
|
|
2887 {"hlID", 1, 1, f_hlID},
|
|
|
2888 {"hlexists", 1, 1, f_hlexists},
|
|
|
2889 {"hostname", 0, 0, f_hostname},
|
|
|
2890 {"iconv", 3, 3, f_iconv},
|
|
|
2891 {"indent", 1, 1, f_indent},
|
|
|
2892 {"input", 1, 2, f_input},
|
|
|
2893 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2894 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2895 {"inputsave", 0, 0, f_inputsave},
|
|
|
2896 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2897 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2898 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2899 {"libcall", 3, 3, f_libcall},
|
|
|
2900 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2901 {"line", 1, 1, f_line},
|
|
|
2902 {"line2byte", 1, 1, f_line2byte},
|
|
|
2903 {"lispindent", 1, 1, f_lispindent},
|
|
|
2904 {"localtime", 0, 0, f_localtime},
|
|
|
2905 {"maparg", 1, 2, f_maparg},
|
|
|
2906 {"mapcheck", 1, 2, f_mapcheck},
|
|
19
|
2907 {"match", 2, 4, f_match},
|
|
|
2908 {"matchend", 2, 4, f_matchend},
|
|
|
2909 {"matchstr", 2, 4, f_matchstr},
|
|
7
|
2910 {"mode", 0, 0, f_mode},
|
|
|
2911 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2912 {"nr2char", 1, 1, f_nr2char},
|
|
|
2913 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2914 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2915 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2916 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2917 {"remote_read", 1, 1, f_remote_read},
|
|
|
2918 {"remote_send", 2, 3, f_remote_send},
|
|
|
2919 {"rename", 2, 2, f_rename},
|
|
18
|
2920 {"repeat", 2, 2, f_repeat},
|
|
7
|
2921 {"resolve", 1, 1, f_resolve},
|
|
|
2922 {"search", 1, 2, f_search},
|
|
|
2923 {"searchpair", 3, 5, f_searchpair},
|
|
|
2924 {"server2client", 2, 2, f_server2client},
|
|
|
2925 {"serverlist", 0, 0, f_serverlist},
|
|
|
2926 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2927 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2928 {"setline", 2, 2, f_setline},
|
|
|
2929 {"setreg", 2, 3, f_setreg},
|
|
|
2930 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2931 {"simplify", 1, 1, f_simplify},
|
|
|
2932 #ifdef HAVE_STRFTIME
|
|
|
2933 {"strftime", 1, 2, f_strftime},
|
|
|
2934 #endif
|
|
|
2935 {"stridx", 2, 2, f_stridx},
|
|
|
2936 {"strlen", 1, 1, f_strlen},
|
|
|
2937 {"strpart", 2, 3, f_strpart},
|
|
|
2938 {"strridx", 2, 2, f_strridx},
|
|
|
2939 {"strtrans", 1, 1, f_strtrans},
|
|
|
2940 {"submatch", 1, 1, f_submatch},
|
|
|
2941 {"substitute", 4, 4, f_substitute},
|
|
|
2942 {"synID", 3, 3, f_synID},
|
|
|
2943 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2944 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
24
|
2945 {"system", 1, 2, f_system},
|
|
7
|
2946 {"tempname", 0, 0, f_tempname},
|
|
|
2947 {"tolower", 1, 1, f_tolower},
|
|
|
2948 {"toupper", 1, 1, f_toupper},
|
|
15
|
2949 {"tr", 3, 3, f_tr},
|
|
7
|
2950 {"type", 1, 1, f_type},
|
|
|
2951 {"virtcol", 1, 1, f_virtcol},
|
|
|
2952 {"visualmode", 0, 1, f_visualmode},
|
|
|
2953 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2954 {"wincol", 0, 0, f_wincol},
|
|
|
2955 {"winheight", 1, 1, f_winheight},
|
|
|
2956 {"winline", 0, 0, f_winline},
|
|
20
|
2957 {"winnr", 0, 1, f_winnr},
|
|
7
|
2958 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2959 {"winwidth", 1, 1, f_winwidth},
|
|
|
2960 };
|
|
|
2961
|
|
|
2962 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2963
|
|
|
2964 /*
|
|
|
2965 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2966 * or user defined function names.
|
|
|
2967 */
|
|
|
2968 char_u *
|
|
|
2969 get_function_name(xp, idx)
|
|
|
2970 expand_T *xp;
|
|
|
2971 int idx;
|
|
|
2972 {
|
|
|
2973 static int intidx = -1;
|
|
|
2974 char_u *name;
|
|
|
2975
|
|
|
2976 if (idx == 0)
|
|
|
2977 intidx = -1;
|
|
|
2978 if (intidx < 0)
|
|
|
2979 {
|
|
|
2980 name = get_user_func_name(xp, idx);
|
|
|
2981 if (name != NULL)
|
|
|
2982 return name;
|
|
|
2983 }
|
|
|
2984 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2985 {
|
|
|
2986 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2987 STRCAT(IObuff, "(");
|
|
|
2988 if (functions[intidx].f_max_argc == 0)
|
|
|
2989 STRCAT(IObuff, ")");
|
|
|
2990 return IObuff;
|
|
|
2991 }
|
|
|
2992
|
|
|
2993 return NULL;
|
|
|
2994 }
|
|
|
2995
|
|
|
2996 /*
|
|
|
2997 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2998 * user defined variable or function names.
|
|
|
2999 */
|
|
|
3000 /*ARGSUSED*/
|
|
|
3001 char_u *
|
|
|
3002 get_expr_name(xp, idx)
|
|
|
3003 expand_T *xp;
|
|
|
3004 int idx;
|
|
|
3005 {
|
|
|
3006 static int intidx = -1;
|
|
|
3007 char_u *name;
|
|
|
3008
|
|
|
3009 if (idx == 0)
|
|
|
3010 intidx = -1;
|
|
|
3011 if (intidx < 0)
|
|
|
3012 {
|
|
|
3013 name = get_function_name(xp, idx);
|
|
|
3014 if (name != NULL)
|
|
|
3015 return name;
|
|
|
3016 }
|
|
|
3017 return get_user_var_name(xp, ++intidx);
|
|
|
3018 }
|
|
|
3019
|
|
|
3020 #endif /* FEAT_CMDL_COMPL */
|
|
|
3021
|
|
|
3022 /*
|
|
|
3023 * Find internal function in table above.
|
|
|
3024 * Return index, or -1 if not found
|
|
|
3025 */
|
|
|
3026 static int
|
|
|
3027 find_internal_func(name)
|
|
|
3028 char_u *name; /* name of the function */
|
|
|
3029 {
|
|
|
3030 int first = 0;
|
|
|
3031 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
3032 int cmp;
|
|
|
3033 int x;
|
|
|
3034
|
|
|
3035 /*
|
|
|
3036 * Find the function name in the table. Binary search.
|
|
|
3037 */
|
|
|
3038 while (first <= last)
|
|
|
3039 {
|
|
|
3040 x = first + ((unsigned)(last - first) >> 1);
|
|
|
3041 cmp = STRCMP(name, functions[x].f_name);
|
|
|
3042 if (cmp < 0)
|
|
|
3043 last = x - 1;
|
|
|
3044 else if (cmp > 0)
|
|
|
3045 first = x + 1;
|
|
|
3046 else
|
|
|
3047 return x;
|
|
|
3048 }
|
|
|
3049 return -1;
|
|
|
3050 }
|
|
|
3051
|
|
|
3052 /*
|
|
|
3053 * Allocate a variable for the result of a function.
|
|
|
3054 * Return OK or FAIL.
|
|
|
3055 */
|
|
|
3056 static int
|
|
|
3057 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3058 char_u *name; /* name of the function */
|
|
|
3059 int len; /* length of "name" */
|
|
|
3060 VAR retvar;
|
|
|
3061 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3062 linenr_T firstline; /* first line of range */
|
|
|
3063 linenr_T lastline; /* last line of range */
|
|
|
3064 int *doesrange; /* return: function handled range */
|
|
|
3065 int evaluate;
|
|
|
3066 {
|
|
|
3067 char_u *argp;
|
|
|
3068 int ret = OK;
|
|
|
3069 #define MAX_FUNC_ARGS 20
|
|
|
3070 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3071 int argcount = 0; /* number of arguments found */
|
|
|
3072
|
|
|
3073 /*
|
|
|
3074 * Get the arguments.
|
|
|
3075 */
|
|
|
3076 argp = *arg;
|
|
|
3077 while (argcount < MAX_FUNC_ARGS)
|
|
|
3078 {
|
|
|
3079 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3080 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3081 break;
|
|
|
3082 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3083 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3084 {
|
|
|
3085 ret = FAIL;
|
|
|
3086 break;
|
|
|
3087 }
|
|
|
3088 ++argcount;
|
|
|
3089 if (*argp != ',')
|
|
|
3090 break;
|
|
|
3091 }
|
|
|
3092 if (*argp == ')')
|
|
|
3093 ++argp;
|
|
|
3094 else
|
|
|
3095 ret = FAIL;
|
|
|
3096
|
|
|
3097 if (ret == OK)
|
|
|
3098 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3099 firstline, lastline, doesrange, evaluate);
|
|
|
3100 else if (!aborting())
|
|
|
3101 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3102
|
|
|
3103 while (--argcount >= 0)
|
|
|
3104 clear_var(&argvars[argcount]);
|
|
|
3105
|
|
|
3106 *arg = skipwhite(argp);
|
|
|
3107 return ret;
|
|
|
3108 }
|
|
|
3109
|
|
|
3110
|
|
|
3111 /*
|
|
|
3112 * Call a function with its resolved parameters
|
|
|
3113 * Return OK or FAIL.
|
|
|
3114 */
|
|
|
3115 static int
|
|
|
3116 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3117 doesrange, evaluate)
|
|
|
3118 char_u *name; /* name of the function */
|
|
|
3119 int len; /* length of "name" */
|
|
|
3120 VAR retvar; /* return value goes here */
|
|
|
3121 int argcount; /* number of "argvars" */
|
|
|
3122 VAR argvars; /* vars for arguments */
|
|
|
3123 linenr_T firstline; /* first line of range */
|
|
|
3124 linenr_T lastline; /* last line of range */
|
|
|
3125 int *doesrange; /* return: function handled range */
|
|
|
3126 int evaluate;
|
|
|
3127 {
|
|
|
3128 int ret = FAIL;
|
|
|
3129 static char *errors[] =
|
|
|
3130 {N_("E117: Unknown function: %s"),
|
|
|
3131 N_("E118: Too many arguments for function: %s"),
|
|
|
3132 N_("E119: Not enough arguments for function: %s"),
|
|
|
3133 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3134 };
|
|
|
3135 #define ERROR_UNKNOWN 0
|
|
|
3136 #define ERROR_TOOMANY 1
|
|
|
3137 #define ERROR_TOOFEW 2
|
|
|
3138 #define ERROR_SCRIPT 3
|
|
|
3139 #define ERROR_NONE 4
|
|
|
3140 #define ERROR_OTHER 5
|
|
|
3141 int error = ERROR_NONE;
|
|
|
3142 int i;
|
|
|
3143 int llen;
|
|
|
3144 ufunc_T *fp;
|
|
|
3145 int cc;
|
|
|
3146 #define FLEN_FIXED 40
|
|
|
3147 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3148 char_u *fname;
|
|
|
3149
|
|
|
3150 /*
|
|
|
3151 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3152 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3153 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3154 */
|
|
|
3155 cc = name[len];
|
|
|
3156 name[len] = NUL;
|
|
|
3157 llen = eval_fname_script(name);
|
|
|
3158 if (llen > 0)
|
|
|
3159 {
|
|
|
3160 fname_buf[0] = K_SPECIAL;
|
|
|
3161 fname_buf[1] = KS_EXTRA;
|
|
|
3162 fname_buf[2] = (int)KE_SNR;
|
|
|
3163 i = 3;
|
|
|
3164 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3165 {
|
|
|
3166 if (current_SID <= 0)
|
|
|
3167 error = ERROR_SCRIPT;
|
|
|
3168 else
|
|
|
3169 {
|
|
|
3170 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3171 i = (int)STRLEN(fname_buf);
|
|
|
3172 }
|
|
|
3173 }
|
|
|
3174 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3175 {
|
|
|
3176 STRCPY(fname_buf + i, name + llen);
|
|
|
3177 fname = fname_buf;
|
|
|
3178 }
|
|
|
3179 else
|
|
|
3180 {
|
|
|
3181 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3182 if (fname == NULL)
|
|
|
3183 error = ERROR_OTHER;
|
|
|
3184 else
|
|
|
3185 {
|
|
|
3186 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3187 STRCPY(fname + i, name + llen);
|
|
|
3188 }
|
|
|
3189 }
|
|
|
3190 }
|
|
|
3191 else
|
|
|
3192 fname = name;
|
|
|
3193
|
|
|
3194 *doesrange = FALSE;
|
|
|
3195
|
|
|
3196
|
|
|
3197 /* execute the function if no errors detected and executing */
|
|
|
3198 if (evaluate && error == ERROR_NONE)
|
|
|
3199 {
|
|
|
3200 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3201 error = ERROR_UNKNOWN;
|
|
|
3202
|
|
|
3203 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3204 {
|
|
|
3205 /*
|
|
|
3206 * User defined function.
|
|
|
3207 */
|
|
|
3208 fp = find_func(fname);
|
|
|
3209 #ifdef FEAT_AUTOCMD
|
|
|
3210 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3211 fname, fname, TRUE, NULL)
|
|
|
3212 #ifdef FEAT_EVAL
|
|
|
3213 && !aborting()
|
|
|
3214 #endif
|
|
|
3215 )
|
|
|
3216 {
|
|
|
3217 /* executed an autocommand, search for function again */
|
|
|
3218 fp = find_func(fname);
|
|
|
3219 }
|
|
|
3220 #endif
|
|
|
3221 if (fp != NULL)
|
|
|
3222 {
|
|
|
3223 if (fp->flags & FC_RANGE)
|
|
|
3224 *doesrange = TRUE;
|
|
|
3225 if (argcount < fp->args.ga_len)
|
|
|
3226 error = ERROR_TOOFEW;
|
|
|
3227 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3228 error = ERROR_TOOMANY;
|
|
|
3229 else
|
|
|
3230 {
|
|
|
3231 /*
|
|
|
3232 * Call the user function.
|
|
|
3233 * Save and restore search patterns, script variables and
|
|
|
3234 * redo buffer.
|
|
|
3235 */
|
|
|
3236 save_search_patterns();
|
|
|
3237 saveRedobuff();
|
|
|
3238 ++fp->calls;
|
|
|
3239 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3240 firstline, lastline);
|
|
|
3241 --fp->calls;
|
|
|
3242 restoreRedobuff();
|
|
|
3243 restore_search_patterns();
|
|
|
3244 error = ERROR_NONE;
|
|
|
3245 }
|
|
|
3246 }
|
|
|
3247 }
|
|
|
3248 else
|
|
|
3249 {
|
|
|
3250 /*
|
|
|
3251 * Find the function name in the table, call its implementation.
|
|
|
3252 */
|
|
|
3253 i = find_internal_func(fname);
|
|
|
3254 if (i >= 0)
|
|
|
3255 {
|
|
|
3256 if (argcount < functions[i].f_min_argc)
|
|
|
3257 error = ERROR_TOOFEW;
|
|
|
3258 else if (argcount > functions[i].f_max_argc)
|
|
|
3259 error = ERROR_TOOMANY;
|
|
|
3260 else
|
|
|
3261 {
|
|
|
3262 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3263 functions[i].f_func(argvars, retvar);
|
|
|
3264 error = ERROR_NONE;
|
|
|
3265 }
|
|
|
3266 }
|
|
|
3267 }
|
|
|
3268 /*
|
|
|
3269 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3270 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3271 * exception that has not been caught so far. This situation can be
|
|
|
3272 * tested for by calling aborting(). For an error in an internal
|
|
|
3273 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3274 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3275 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3276 * update that flag first to make aborting() reliable.
|
|
|
3277 */
|
|
|
3278 update_force_abort();
|
|
|
3279 }
|
|
|
3280 if (error == ERROR_NONE)
|
|
|
3281 ret = OK;
|
|
|
3282
|
|
|
3283 /*
|
|
|
3284 * Report an error unless the argument evaluation or function call has been
|
|
|
3285 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3286 */
|
|
|
3287 if (error < ERROR_NONE && !aborting())
|
|
|
3288 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3289
|
|
|
3290 name[len] = cc;
|
|
|
3291 if (fname != name && fname != fname_buf)
|
|
|
3292 vim_free(fname);
|
|
|
3293
|
|
|
3294 return ret;
|
|
|
3295 }
|
|
|
3296
|
|
|
3297 /*********************************************
|
|
|
3298 * Implementation of the built-in functions
|
|
|
3299 */
|
|
|
3300
|
|
|
3301 /*
|
|
|
3302 * "append(lnum, string)" function
|
|
|
3303 */
|
|
|
3304 static void
|
|
|
3305 f_append(argvars, retvar)
|
|
|
3306 VAR argvars;
|
|
|
3307 VAR retvar;
|
|
|
3308 {
|
|
|
3309 long lnum;
|
|
|
3310
|
|
|
3311 lnum = get_var_lnum(argvars);
|
|
|
3312 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3313
|
|
|
3314 if (lnum >= 0
|
|
|
3315 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3316 && u_save(lnum, lnum + 1) == OK)
|
|
|
3317 {
|
|
|
3318 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3319 if (curwin->w_cursor.lnum > lnum)
|
|
|
3320 ++curwin->w_cursor.lnum;
|
|
|
3321 appended_lines_mark(lnum, 1L);
|
|
|
3322 retvar->var_val.var_number = 0;
|
|
|
3323 }
|
|
|
3324 }
|
|
|
3325
|
|
|
3326 /*
|
|
|
3327 * "argc()" function
|
|
|
3328 */
|
|
|
3329 /* ARGSUSED */
|
|
|
3330 static void
|
|
|
3331 f_argc(argvars, retvar)
|
|
|
3332 VAR argvars;
|
|
|
3333 VAR retvar;
|
|
|
3334 {
|
|
|
3335 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3336 }
|
|
|
3337
|
|
|
3338 /*
|
|
|
3339 * "argidx()" function
|
|
|
3340 */
|
|
|
3341 /* ARGSUSED */
|
|
|
3342 static void
|
|
|
3343 f_argidx(argvars, retvar)
|
|
|
3344 VAR argvars;
|
|
|
3345 VAR retvar;
|
|
|
3346 {
|
|
|
3347 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3348 }
|
|
|
3349
|
|
|
3350 /*
|
|
|
3351 * "argv(nr)" function
|
|
|
3352 */
|
|
|
3353 static void
|
|
|
3354 f_argv(argvars, retvar)
|
|
|
3355 VAR argvars;
|
|
|
3356 VAR retvar;
|
|
|
3357 {
|
|
|
3358 int idx;
|
|
|
3359
|
|
|
3360 idx = get_var_number(&argvars[0]);
|
|
|
3361 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3362 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3363 else
|
|
|
3364 retvar->var_val.var_string = NULL;
|
|
|
3365 retvar->var_type = VAR_STRING;
|
|
|
3366 }
|
|
|
3367
|
|
|
3368 /*
|
|
|
3369 * "browse(save, title, initdir, default)" function
|
|
|
3370 */
|
|
|
3371 /* ARGSUSED */
|
|
|
3372 static void
|
|
|
3373 f_browse(argvars, retvar)
|
|
|
3374 VAR argvars;
|
|
|
3375 VAR retvar;
|
|
|
3376 {
|
|
|
3377 #ifdef FEAT_BROWSE
|
|
|
3378 int save;
|
|
|
3379 char_u *title;
|
|
|
3380 char_u *initdir;
|
|
|
3381 char_u *defname;
|
|
|
3382 char_u buf[NUMBUFLEN];
|
|
|
3383 char_u buf2[NUMBUFLEN];
|
|
|
3384
|
|
|
3385 save = get_var_number(&argvars[0]);
|
|
|
3386 title = get_var_string(&argvars[1]);
|
|
|
3387 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3388 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3389
|
|
|
3390 retvar->var_val.var_string =
|
|
29
|
3391 do_browse(save ? BROWSE_SAVE : 0,
|
|
|
3392 title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3393 #else
|
|
|
3394 retvar->var_val.var_string = NULL;
|
|
|
3395 #endif
|
|
|
3396 retvar->var_type = VAR_STRING;
|
|
|
3397 }
|
|
|
3398
|
|
|
3399 /*
|
|
|
3400 * "browsedir(title, initdir)" function
|
|
|
3401 */
|
|
|
3402 /* ARGSUSED */
|
|
|
3403 static void
|
|
|
3404 f_browsedir(argvars, retvar)
|
|
|
3405 VAR argvars;
|
|
|
3406 VAR retvar;
|
|
|
3407 {
|
|
|
3408 #ifdef FEAT_BROWSE
|
|
|
3409 char_u *title;
|
|
|
3410 char_u *initdir;
|
|
|
3411 char_u buf[NUMBUFLEN];
|
|
|
3412
|
|
|
3413 title = get_var_string(&argvars[0]);
|
|
|
3414 initdir = get_var_string_buf(&argvars[1], buf);
|
|
|
3415
|
|
|
3416 retvar->var_val.var_string = do_browse(BROWSE_DIR,
|
|
|
3417 title, NULL, NULL, initdir, NULL, curbuf);
|
|
7
|
3418 #else
|
|
|
3419 retvar->var_val.var_string = NULL;
|
|
|
3420 #endif
|
|
|
3421 retvar->var_type = VAR_STRING;
|
|
|
3422 }
|
|
|
3423
|
|
|
3424 /*
|
|
|
3425 * Find a buffer by number or exact name.
|
|
|
3426 */
|
|
|
3427 static buf_T *
|
|
|
3428 find_buffer(avar)
|
|
|
3429 VAR avar;
|
|
|
3430 {
|
|
|
3431 buf_T *buf = NULL;
|
|
|
3432 char_u *name;
|
|
|
3433
|
|
|
3434 if (avar->var_type == VAR_NUMBER)
|
|
|
3435 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3436 else if (avar->var_val.var_string != NULL)
|
|
|
3437 {
|
|
|
3438 /* First make the name into a full path name */
|
|
|
3439 name = FullName_save(avar->var_val.var_string,
|
|
|
3440 #ifdef UNIX
|
|
|
3441 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3442 #else
|
|
|
3443 FALSE
|
|
|
3444 #endif
|
|
|
3445 );
|
|
|
3446 if (name != NULL)
|
|
|
3447 {
|
|
|
3448 buf = buflist_findname(name);
|
|
|
3449 vim_free(name);
|
|
|
3450 }
|
|
9
|
3451 if (buf == NULL)
|
|
|
3452 {
|
|
|
3453 /* No full path name match, try a match with a URL or a "nofile"
|
|
|
3454 * buffer, these don't use the full path. */
|
|
|
3455 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
3456 if (buf->b_fname != NULL
|
|
|
3457 && (path_with_url(buf->b_fname)
|
|
|
3458 #ifdef FEAT_QUICKFIX
|
|
|
3459 || bt_nofile(buf)
|
|
|
3460 #endif
|
|
|
3461 )
|
|
|
3462 && STRCMP(buf->b_fname, avar->var_val.var_string) == 0)
|
|
|
3463 break;
|
|
|
3464 }
|
|
7
|
3465 }
|
|
|
3466 return buf;
|
|
|
3467 }
|
|
|
3468
|
|
|
3469 /*
|
|
|
3470 * "bufexists(expr)" function
|
|
|
3471 */
|
|
|
3472 static void
|
|
|
3473 f_bufexists(argvars, retvar)
|
|
|
3474 VAR argvars;
|
|
|
3475 VAR retvar;
|
|
|
3476 {
|
|
|
3477 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3478 }
|
|
|
3479
|
|
|
3480 /*
|
|
|
3481 * "buflisted(expr)" function
|
|
|
3482 */
|
|
|
3483 static void
|
|
|
3484 f_buflisted(argvars, retvar)
|
|
|
3485 VAR argvars;
|
|
|
3486 VAR retvar;
|
|
|
3487 {
|
|
|
3488 buf_T *buf;
|
|
|
3489
|
|
|
3490 buf = find_buffer(&argvars[0]);
|
|
|
3491 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3492 }
|
|
|
3493
|
|
|
3494 /*
|
|
|
3495 * "bufloaded(expr)" function
|
|
|
3496 */
|
|
|
3497 static void
|
|
|
3498 f_bufloaded(argvars, retvar)
|
|
|
3499 VAR argvars;
|
|
|
3500 VAR retvar;
|
|
|
3501 {
|
|
|
3502 buf_T *buf;
|
|
|
3503
|
|
|
3504 buf = find_buffer(&argvars[0]);
|
|
|
3505 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3506 }
|
|
|
3507
|
|
|
3508 /*
|
|
|
3509 * Get buffer by number or pattern.
|
|
|
3510 */
|
|
|
3511 static buf_T *
|
|
|
3512 get_buf_var(avar)
|
|
|
3513 VAR avar;
|
|
|
3514 {
|
|
|
3515 char_u *name = avar->var_val.var_string;
|
|
|
3516 int save_magic;
|
|
|
3517 char_u *save_cpo;
|
|
|
3518 buf_T *buf;
|
|
|
3519
|
|
|
3520 if (avar->var_type == VAR_NUMBER)
|
|
|
3521 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3522 if (name == NULL || *name == NUL)
|
|
|
3523 return curbuf;
|
|
|
3524 if (name[0] == '$' && name[1] == NUL)
|
|
|
3525 return lastbuf;
|
|
|
3526
|
|
|
3527 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3528 save_magic = p_magic;
|
|
|
3529 p_magic = TRUE;
|
|
|
3530 save_cpo = p_cpo;
|
|
|
3531 p_cpo = (char_u *)"";
|
|
|
3532
|
|
|
3533 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3534 TRUE, FALSE));
|
|
|
3535
|
|
|
3536 p_magic = save_magic;
|
|
|
3537 p_cpo = save_cpo;
|
|
|
3538
|
|
|
3539 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3540 if (buf == NULL)
|
|
|
3541 buf = find_buffer(avar);
|
|
|
3542
|
|
|
3543 return buf;
|
|
|
3544 }
|
|
|
3545
|
|
|
3546 /*
|
|
|
3547 * "bufname(expr)" function
|
|
|
3548 */
|
|
|
3549 static void
|
|
|
3550 f_bufname(argvars, retvar)
|
|
|
3551 VAR argvars;
|
|
|
3552 VAR retvar;
|
|
|
3553 {
|
|
|
3554 buf_T *buf;
|
|
|
3555
|
|
|
3556 ++emsg_off;
|
|
|
3557 buf = get_buf_var(&argvars[0]);
|
|
|
3558 retvar->var_type = VAR_STRING;
|
|
|
3559 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3560 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3561 else
|
|
|
3562 retvar->var_val.var_string = NULL;
|
|
|
3563 --emsg_off;
|
|
|
3564 }
|
|
|
3565
|
|
|
3566 /*
|
|
|
3567 * "bufnr(expr)" function
|
|
|
3568 */
|
|
|
3569 static void
|
|
|
3570 f_bufnr(argvars, retvar)
|
|
|
3571 VAR argvars;
|
|
|
3572 VAR retvar;
|
|
|
3573 {
|
|
|
3574 buf_T *buf;
|
|
|
3575
|
|
|
3576 ++emsg_off;
|
|
|
3577 buf = get_buf_var(&argvars[0]);
|
|
|
3578 if (buf != NULL)
|
|
|
3579 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3580 else
|
|
|
3581 retvar->var_val.var_number = -1;
|
|
|
3582 --emsg_off;
|
|
|
3583 }
|
|
|
3584
|
|
|
3585 /*
|
|
|
3586 * "bufwinnr(nr)" function
|
|
|
3587 */
|
|
|
3588 static void
|
|
|
3589 f_bufwinnr(argvars, retvar)
|
|
|
3590 VAR argvars;
|
|
|
3591 VAR retvar;
|
|
|
3592 {
|
|
|
3593 #ifdef FEAT_WINDOWS
|
|
|
3594 win_T *wp;
|
|
|
3595 int winnr = 0;
|
|
|
3596 #endif
|
|
|
3597 buf_T *buf;
|
|
|
3598
|
|
|
3599 ++emsg_off;
|
|
|
3600 buf = get_buf_var(&argvars[0]);
|
|
|
3601 #ifdef FEAT_WINDOWS
|
|
|
3602 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3603 {
|
|
|
3604 ++winnr;
|
|
|
3605 if (wp->w_buffer == buf)
|
|
|
3606 break;
|
|
|
3607 }
|
|
|
3608 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3609 #else
|
|
|
3610 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3611 #endif
|
|
|
3612 --emsg_off;
|
|
|
3613 }
|
|
|
3614
|
|
|
3615 /*
|
|
|
3616 * "byte2line(byte)" function
|
|
|
3617 */
|
|
|
3618 /*ARGSUSED*/
|
|
|
3619 static void
|
|
|
3620 f_byte2line(argvars, retvar)
|
|
|
3621 VAR argvars;
|
|
|
3622 VAR retvar;
|
|
|
3623 {
|
|
|
3624 #ifndef FEAT_BYTEOFF
|
|
|
3625 retvar->var_val.var_number = -1;
|
|
|
3626 #else
|
|
|
3627 long boff = 0;
|
|
|
3628
|
|
|
3629 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3630 if (boff < 0)
|
|
|
3631 retvar->var_val.var_number = -1;
|
|
|
3632 else
|
|
|
3633 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3634 (linenr_T)0, &boff);
|
|
|
3635 #endif
|
|
|
3636 }
|
|
|
3637
|
|
|
3638 /*
|
|
18
|
3639 * "byteidx()" function
|
|
|
3640 */
|
|
|
3641 /*ARGSUSED*/
|
|
|
3642 static void
|
|
|
3643 f_byteidx(argvars, retvar)
|
|
|
3644 VAR argvars;
|
|
|
3645 VAR retvar;
|
|
|
3646 {
|
|
|
3647 #ifdef FEAT_MBYTE
|
|
|
3648 char_u *t;
|
|
|
3649 #endif
|
|
|
3650 char_u *str;
|
|
|
3651 long idx;
|
|
|
3652
|
|
|
3653 str = get_var_string(&argvars[0]);
|
|
|
3654 idx = get_var_number(&argvars[1]);
|
|
|
3655 retvar->var_val.var_number = -1;
|
|
|
3656 if (idx < 0)
|
|
|
3657 return;
|
|
|
3658
|
|
|
3659 #ifdef FEAT_MBYTE
|
|
|
3660 t = str;
|
|
|
3661 for ( ; idx > 0; idx--)
|
|
|
3662 {
|
|
|
3663 if (*t == NUL) /* EOL reached */
|
|
|
3664 return;
|
|
|
3665 t += mb_ptr2len_check(t);
|
|
|
3666 }
|
|
|
3667 retvar->var_val.var_number = t - str;
|
|
|
3668 #else
|
|
|
3669 if (idx <= STRLEN(str))
|
|
|
3670 retvar->var_val.var_number = idx;
|
|
|
3671 #endif
|
|
|
3672 }
|
|
|
3673
|
|
|
3674 /*
|
|
7
|
3675 * "char2nr(string)" function
|
|
|
3676 */
|
|
|
3677 static void
|
|
|
3678 f_char2nr(argvars, retvar)
|
|
|
3679 VAR argvars;
|
|
|
3680 VAR retvar;
|
|
|
3681 {
|
|
|
3682 #ifdef FEAT_MBYTE
|
|
|
3683 if (has_mbyte)
|
|
|
3684 retvar->var_val.var_number =
|
|
|
3685 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3686 else
|
|
|
3687 #endif
|
|
|
3688 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3689 }
|
|
|
3690
|
|
|
3691 /*
|
|
|
3692 * "cindent(lnum)" function
|
|
|
3693 */
|
|
|
3694 static void
|
|
|
3695 f_cindent(argvars, retvar)
|
|
|
3696 VAR argvars;
|
|
|
3697 VAR retvar;
|
|
|
3698 {
|
|
|
3699 #ifdef FEAT_CINDENT
|
|
|
3700 pos_T pos;
|
|
|
3701 linenr_T lnum;
|
|
|
3702
|
|
|
3703 pos = curwin->w_cursor;
|
|
|
3704 lnum = get_var_lnum(argvars);
|
|
|
3705 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3706 {
|
|
|
3707 curwin->w_cursor.lnum = lnum;
|
|
|
3708 retvar->var_val.var_number = get_c_indent();
|
|
|
3709 curwin->w_cursor = pos;
|
|
|
3710 }
|
|
|
3711 else
|
|
|
3712 #endif
|
|
|
3713 retvar->var_val.var_number = -1;
|
|
|
3714 }
|
|
|
3715
|
|
|
3716 /*
|
|
|
3717 * "col(string)" function
|
|
|
3718 */
|
|
|
3719 static void
|
|
|
3720 f_col(argvars, retvar)
|
|
|
3721 VAR argvars;
|
|
|
3722 VAR retvar;
|
|
|
3723 {
|
|
|
3724 colnr_T col = 0;
|
|
|
3725 pos_T *fp;
|
|
|
3726
|
|
|
3727 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3728 if (fp != NULL)
|
|
|
3729 {
|
|
|
3730 if (fp->col == MAXCOL)
|
|
|
3731 {
|
|
|
3732 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3733 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3734 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3735 else
|
|
|
3736 col = MAXCOL;
|
|
|
3737 }
|
|
|
3738 else
|
|
|
3739 {
|
|
|
3740 col = fp->col + 1;
|
|
|
3741 #ifdef FEAT_VIRTUALEDIT
|
|
|
3742 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3743 * because of "coladd" can be seen as an extra column. */
|
|
|
3744 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3745 {
|
|
|
3746 char_u *p = ml_get_cursor();
|
|
|
3747
|
|
|
3748 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3749 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3750 {
|
|
|
3751 # ifdef FEAT_MBYTE
|
|
|
3752 int l;
|
|
|
3753
|
|
|
3754 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3755 col += l;
|
|
|
3756 # else
|
|
|
3757 if (*p != NUL && p[1] == NUL)
|
|
|
3758 ++col;
|
|
|
3759 # endif
|
|
|
3760 }
|
|
|
3761 }
|
|
|
3762 #endif
|
|
|
3763 }
|
|
|
3764 }
|
|
|
3765 retvar->var_val.var_number = col;
|
|
|
3766 }
|
|
|
3767
|
|
|
3768 /*
|
|
|
3769 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3770 */
|
|
|
3771 /*ARGSUSED*/
|
|
|
3772 static void
|
|
|
3773 f_confirm(argvars, retvar)
|
|
|
3774 VAR argvars;
|
|
|
3775 VAR retvar;
|
|
|
3776 {
|
|
|
3777 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3778 char_u *message;
|
|
|
3779 char_u *buttons = NULL;
|
|
|
3780 char_u buf[NUMBUFLEN];
|
|
|
3781 char_u buf2[NUMBUFLEN];
|
|
|
3782 int def = 1;
|
|
|
3783 int type = VIM_GENERIC;
|
|
|
3784 int c;
|
|
|
3785
|
|
|
3786 message = get_var_string(&argvars[0]);
|
|
|
3787 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3788 {
|
|
|
3789 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3790 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3791 {
|
|
|
3792 def = get_var_number(&argvars[2]);
|
|
|
3793 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3794 {
|
|
|
3795 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3796 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3797 switch (TOUPPER_ASC(c))
|
|
|
3798 {
|
|
|
3799 case 'E': type = VIM_ERROR; break;
|
|
|
3800 case 'Q': type = VIM_QUESTION; break;
|
|
|
3801 case 'I': type = VIM_INFO; break;
|
|
|
3802 case 'W': type = VIM_WARNING; break;
|
|
|
3803 case 'G': type = VIM_GENERIC; break;
|
|
|
3804 }
|
|
|
3805 }
|
|
|
3806 }
|
|
|
3807 }
|
|
|
3808
|
|
|
3809 if (buttons == NULL || *buttons == NUL)
|
|
|
3810 buttons = (char_u *)_("&Ok");
|
|
|
3811
|
|
|
3812 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3813 def, NULL);
|
|
|
3814 #else
|
|
|
3815 retvar->var_val.var_number = 0;
|
|
|
3816 #endif
|
|
|
3817 }
|
|
|
3818
|
|
|
3819
|
|
|
3820 /*
|
|
|
3821 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3822 *
|
|
|
3823 * Checks the existence of a cscope connection.
|
|
|
3824 */
|
|
|
3825 /*ARGSUSED*/
|
|
|
3826 static void
|
|
|
3827 f_cscope_connection(argvars, retvar)
|
|
|
3828 VAR argvars;
|
|
|
3829 VAR retvar;
|
|
|
3830 {
|
|
|
3831 #ifdef FEAT_CSCOPE
|
|
|
3832 int num = 0;
|
|
|
3833 char_u *dbpath = NULL;
|
|
|
3834 char_u *prepend = NULL;
|
|
|
3835 char_u buf[NUMBUFLEN];
|
|
|
3836
|
|
|
3837 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3838 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3839 {
|
|
|
3840 num = (int)get_var_number(&argvars[0]);
|
|
|
3841 dbpath = get_var_string(&argvars[1]);
|
|
|
3842 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3843 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3844 }
|
|
|
3845
|
|
|
3846 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3847 #else
|
|
|
3848 retvar->var_val.var_number = 0;
|
|
|
3849 #endif
|
|
|
3850 }
|
|
|
3851
|
|
|
3852 /*
|
|
|
3853 * "cursor(lnum, col)" function
|
|
|
3854 *
|
|
|
3855 * Moves the cursor to the specified line and column
|
|
|
3856 */
|
|
|
3857 /*ARGSUSED*/
|
|
|
3858 static void
|
|
|
3859 f_cursor(argvars, retvar)
|
|
|
3860 VAR argvars;
|
|
|
3861 VAR retvar;
|
|
|
3862 {
|
|
|
3863 long line, col;
|
|
|
3864
|
|
|
3865 line = get_var_lnum(argvars);
|
|
|
3866 if (line > 0)
|
|
|
3867 curwin->w_cursor.lnum = line;
|
|
|
3868 col = get_var_number(&argvars[1]);
|
|
|
3869 if (col > 0)
|
|
|
3870 curwin->w_cursor.col = col - 1;
|
|
|
3871 #ifdef FEAT_VIRTUALEDIT
|
|
|
3872 curwin->w_cursor.coladd = 0;
|
|
|
3873 #endif
|
|
|
3874
|
|
|
3875 /* Make sure the cursor is in a valid position. */
|
|
|
3876 check_cursor();
|
|
|
3877 #ifdef FEAT_MBYTE
|
|
|
3878 /* Correct cursor for multi-byte character. */
|
|
|
3879 if (has_mbyte)
|
|
|
3880 mb_adjust_cursor();
|
|
|
3881 #endif
|
|
10
|
3882
|
|
|
3883 curwin->w_set_curswant = TRUE;
|
|
7
|
3884 }
|
|
|
3885
|
|
|
3886 /*
|
|
|
3887 * "libcall()" function
|
|
|
3888 */
|
|
|
3889 static void
|
|
|
3890 f_libcall(argvars, retvar)
|
|
|
3891 VAR argvars;
|
|
|
3892 VAR retvar;
|
|
|
3893 {
|
|
|
3894 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3895 }
|
|
|
3896
|
|
|
3897 /*
|
|
|
3898 * "libcallnr()" function
|
|
|
3899 */
|
|
|
3900 static void
|
|
|
3901 f_libcallnr(argvars, retvar)
|
|
|
3902 VAR argvars;
|
|
|
3903 VAR retvar;
|
|
|
3904 {
|
|
|
3905 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3906 }
|
|
|
3907
|
|
|
3908 static void
|
|
|
3909 libcall_common(argvars, retvar, type)
|
|
|
3910 VAR argvars;
|
|
|
3911 VAR retvar;
|
|
|
3912 int type;
|
|
|
3913 {
|
|
|
3914 #ifdef FEAT_LIBCALL
|
|
|
3915 char_u *string_in;
|
|
|
3916 char_u **string_result;
|
|
|
3917 int nr_result;
|
|
|
3918 #endif
|
|
|
3919
|
|
|
3920 retvar->var_type = type;
|
|
|
3921 if (type == VAR_NUMBER)
|
|
|
3922 retvar->var_val.var_number = 0;
|
|
|
3923 else
|
|
|
3924 retvar->var_val.var_string = NULL;
|
|
|
3925
|
|
|
3926 if (check_restricted() || check_secure())
|
|
|
3927 return;
|
|
|
3928
|
|
|
3929 #ifdef FEAT_LIBCALL
|
|
|
3930 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3931 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3932 {
|
|
|
3933 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3934 string_in = NULL;
|
|
|
3935 else
|
|
|
3936 string_in = argvars[2].var_val.var_string;
|
|
|
3937 if (type == VAR_NUMBER)
|
|
|
3938 string_result = NULL;
|
|
|
3939 else
|
|
|
3940 string_result = &retvar->var_val.var_string;
|
|
|
3941 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3942 argvars[1].var_val.var_string,
|
|
|
3943 string_in,
|
|
|
3944 argvars[2].var_val.var_number,
|
|
|
3945 string_result,
|
|
|
3946 &nr_result) == OK
|
|
|
3947 && type == VAR_NUMBER)
|
|
|
3948 retvar->var_val.var_number = nr_result;
|
|
|
3949 }
|
|
|
3950 #endif
|
|
|
3951 }
|
|
|
3952
|
|
|
3953 /*
|
|
|
3954 * "delete()" function
|
|
|
3955 */
|
|
|
3956 static void
|
|
|
3957 f_delete(argvars, retvar)
|
|
|
3958 VAR argvars;
|
|
|
3959 VAR retvar;
|
|
|
3960 {
|
|
|
3961 if (check_restricted() || check_secure())
|
|
|
3962 retvar->var_val.var_number = -1;
|
|
|
3963 else
|
|
|
3964 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3965 }
|
|
|
3966
|
|
|
3967 /*
|
|
|
3968 * "did_filetype()" function
|
|
|
3969 */
|
|
|
3970 /*ARGSUSED*/
|
|
|
3971 static void
|
|
|
3972 f_did_filetype(argvars, retvar)
|
|
|
3973 VAR argvars;
|
|
|
3974 VAR retvar;
|
|
|
3975 {
|
|
|
3976 #ifdef FEAT_AUTOCMD
|
|
|
3977 retvar->var_val.var_number = did_filetype;
|
|
|
3978 #else
|
|
|
3979 retvar->var_val.var_number = 0;
|
|
|
3980 #endif
|
|
|
3981 }
|
|
|
3982
|
|
|
3983 /*
|
|
32
|
3984 * "diff_filler()" function
|
|
|
3985 */
|
|
|
3986 /*ARGSUSED*/
|
|
|
3987 static void
|
|
|
3988 f_diff_filler(argvars, retvar)
|
|
|
3989 VAR argvars;
|
|
|
3990 VAR retvar;
|
|
|
3991 {
|
|
|
3992 #ifdef FEAT_DIFF
|
|
|
3993 retvar->var_val.var_number = diff_check_fill(curwin, get_var_lnum(argvars));
|
|
|
3994 #endif
|
|
|
3995 }
|
|
|
3996
|
|
|
3997 /*
|
|
|
3998 * "diff_hlID()" function
|
|
|
3999 */
|
|
|
4000 /*ARGSUSED*/
|
|
|
4001 static void
|
|
|
4002 f_diff_hlID(argvars, retvar)
|
|
|
4003 VAR argvars;
|
|
|
4004 VAR retvar;
|
|
|
4005 {
|
|
|
4006 #ifdef FEAT_DIFF
|
|
|
4007 linenr_T lnum = get_var_lnum(argvars);
|
|
|
4008 static linenr_T prev_lnum = 0;
|
|
|
4009 static int changedtick = 0;
|
|
|
4010 static int fnum = 0;
|
|
|
4011 static int change_start = 0;
|
|
|
4012 static int change_end = 0;
|
|
|
4013 static enum hlf_value hlID = 0;
|
|
|
4014 int filler_lines;
|
|
|
4015 int col;
|
|
|
4016
|
|
|
4017 if (lnum != prev_lnum
|
|
|
4018 || changedtick != curbuf->b_changedtick
|
|
|
4019 || fnum != curbuf->b_fnum)
|
|
|
4020 {
|
|
|
4021 /* New line, buffer, change: need to get the values. */
|
|
|
4022 filler_lines = diff_check(curwin, lnum);
|
|
|
4023 if (filler_lines < 0)
|
|
|
4024 {
|
|
|
4025 if (filler_lines == -1)
|
|
|
4026 {
|
|
|
4027 change_start = MAXCOL;
|
|
|
4028 change_end = -1;
|
|
|
4029 if (diff_find_change(curwin, lnum, &change_start, &change_end))
|
|
|
4030 hlID = HLF_ADD; /* added line */
|
|
|
4031 else
|
|
|
4032 hlID = HLF_CHD; /* changed line */
|
|
|
4033 }
|
|
|
4034 else
|
|
|
4035 hlID = HLF_ADD; /* added line */
|
|
|
4036 }
|
|
|
4037 else
|
|
|
4038 hlID = (enum hlf_value)0;
|
|
|
4039 prev_lnum = lnum;
|
|
|
4040 changedtick = curbuf->b_changedtick;
|
|
|
4041 fnum = curbuf->b_fnum;
|
|
|
4042 }
|
|
|
4043
|
|
|
4044 if (hlID == HLF_CHD || hlID == HLF_TXD)
|
|
|
4045 {
|
|
|
4046 col = get_var_number(&argvars[1]) - 1;
|
|
|
4047 if (col >= change_start && col <= change_end)
|
|
|
4048 hlID = HLF_TXD; /* changed text */
|
|
|
4049 else
|
|
|
4050 hlID = HLF_CHD; /* changed line */
|
|
|
4051 }
|
|
|
4052 retvar->var_val.var_number = hlID == (enum hlf_value)0 ? 0 : (int)hlID;
|
|
|
4053 #endif
|
|
|
4054 }
|
|
|
4055
|
|
|
4056 /*
|
|
7
|
4057 * "escape({string}, {chars})" function
|
|
|
4058 */
|
|
|
4059 static void
|
|
|
4060 f_escape(argvars, retvar)
|
|
|
4061 VAR argvars;
|
|
|
4062 VAR retvar;
|
|
|
4063 {
|
|
|
4064 char_u buf[NUMBUFLEN];
|
|
|
4065
|
|
|
4066 retvar->var_val.var_string =
|
|
|
4067 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
4068 get_var_string_buf(&argvars[1], buf));
|
|
|
4069 retvar->var_type = VAR_STRING;
|
|
|
4070 }
|
|
|
4071
|
|
|
4072 /*
|
|
|
4073 * "eventhandler()" function
|
|
|
4074 */
|
|
|
4075 /*ARGSUSED*/
|
|
|
4076 static void
|
|
|
4077 f_eventhandler(argvars, retvar)
|
|
|
4078 VAR argvars;
|
|
|
4079 VAR retvar;
|
|
|
4080 {
|
|
|
4081 retvar->var_val.var_number = vgetc_busy;
|
|
|
4082 }
|
|
|
4083
|
|
|
4084 /*
|
|
|
4085 * "executable()" function
|
|
|
4086 */
|
|
|
4087 static void
|
|
|
4088 f_executable(argvars, retvar)
|
|
|
4089 VAR argvars;
|
|
|
4090 VAR retvar;
|
|
|
4091 {
|
|
|
4092 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
4093 }
|
|
|
4094
|
|
|
4095 /*
|
|
|
4096 * "exists()" function
|
|
|
4097 */
|
|
|
4098 static void
|
|
|
4099 f_exists(argvars, retvar)
|
|
|
4100 VAR argvars;
|
|
|
4101 VAR retvar;
|
|
|
4102 {
|
|
|
4103 char_u *p;
|
|
|
4104 char_u *name;
|
|
|
4105 int n = FALSE;
|
|
|
4106 int len = 0;
|
|
|
4107
|
|
|
4108 p = get_var_string(&argvars[0]);
|
|
|
4109 if (*p == '$') /* environment variable */
|
|
|
4110 {
|
|
|
4111 /* first try "normal" environment variables (fast) */
|
|
|
4112 if (mch_getenv(p + 1) != NULL)
|
|
|
4113 n = TRUE;
|
|
|
4114 else
|
|
|
4115 {
|
|
|
4116 /* try expanding things like $VIM and ${HOME} */
|
|
|
4117 p = expand_env_save(p);
|
|
|
4118 if (p != NULL && *p != '$')
|
|
|
4119 n = TRUE;
|
|
|
4120 vim_free(p);
|
|
|
4121 }
|
|
|
4122 }
|
|
|
4123 else if (*p == '&' || *p == '+') /* option */
|
|
|
4124 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
4125 else if (*p == '*') /* internal or user defined function */
|
|
|
4126 {
|
|
|
4127 ++p;
|
|
|
4128 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
4129 if (p != NULL)
|
|
|
4130 {
|
|
|
4131 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
4132 n = (find_func(p) != NULL);
|
|
|
4133 else if (ASCII_ISLOWER(*p))
|
|
|
4134 n = (find_internal_func(p) >= 0);
|
|
|
4135 vim_free(p);
|
|
|
4136 }
|
|
|
4137 }
|
|
|
4138 else if (*p == ':')
|
|
|
4139 {
|
|
|
4140 n = cmd_exists(p + 1);
|
|
|
4141 }
|
|
|
4142 else if (*p == '#')
|
|
|
4143 {
|
|
|
4144 #ifdef FEAT_AUTOCMD
|
|
|
4145 name = p + 1;
|
|
|
4146 p = vim_strchr(name, '#');
|
|
|
4147 if (p != NULL)
|
|
|
4148 n = au_exists(name, p, p + 1);
|
|
|
4149 else
|
|
|
4150 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
4151 #endif
|
|
|
4152 }
|
|
|
4153 else /* internal variable */
|
|
|
4154 {
|
|
|
4155 #ifdef FEAT_MAGIC_BRACES
|
|
|
4156 char_u *expr_start;
|
|
|
4157 char_u *expr_end;
|
|
|
4158 char_u *temp_string = NULL;
|
|
|
4159 char_u *s;
|
|
|
4160 #endif
|
|
|
4161 name = p;
|
|
|
4162
|
|
|
4163 #ifdef FEAT_MAGIC_BRACES
|
|
|
4164 /* Find the end of the name. */
|
|
|
4165 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
4166 if (expr_start != NULL)
|
|
|
4167 {
|
|
|
4168 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
4169 if (temp_string != NULL)
|
|
|
4170 {
|
|
|
4171 len = STRLEN(temp_string);
|
|
|
4172 name = temp_string;
|
|
|
4173 }
|
|
|
4174 }
|
|
|
4175 #endif
|
|
|
4176 if (len == 0)
|
|
|
4177 len = get_id_len(&p);
|
|
|
4178 if (len != 0)
|
|
|
4179 n = (get_var_var(name, len, NULL) == OK);
|
|
|
4180
|
|
|
4181 #ifdef FEAT_MAGIC_BRACES
|
|
|
4182 vim_free(temp_string);
|
|
|
4183 #endif
|
|
|
4184 }
|
|
|
4185
|
|
|
4186 retvar->var_val.var_number = n;
|
|
|
4187 }
|
|
|
4188
|
|
|
4189 /*
|
|
|
4190 * "expand()" function
|
|
|
4191 */
|
|
|
4192 static void
|
|
|
4193 f_expand(argvars, retvar)
|
|
|
4194 VAR argvars;
|
|
|
4195 VAR retvar;
|
|
|
4196 {
|
|
|
4197 char_u *s;
|
|
|
4198 int len;
|
|
|
4199 char_u *errormsg;
|
|
|
4200 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4201 expand_T xpc;
|
|
|
4202
|
|
|
4203 retvar->var_type = VAR_STRING;
|
|
|
4204 s = get_var_string(&argvars[0]);
|
|
|
4205 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4206 {
|
|
|
4207 ++emsg_off;
|
|
|
4208 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4209 --emsg_off;
|
|
|
4210 }
|
|
|
4211 else
|
|
|
4212 {
|
|
|
4213 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4214 * for 'suffixes' and 'wildignore' */
|
|
|
4215 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4216 flags |= WILD_KEEP_ALL;
|
|
|
4217 ExpandInit(&xpc);
|
|
|
4218 xpc.xp_context = EXPAND_FILES;
|
|
|
4219 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4220 ExpandCleanup(&xpc);
|
|
|
4221 }
|
|
|
4222 }
|
|
|
4223
|
|
|
4224 /*
|
|
|
4225 * "filereadable()" function
|
|
|
4226 */
|
|
|
4227 static void
|
|
|
4228 f_filereadable(argvars, retvar)
|
|
|
4229 VAR argvars;
|
|
|
4230 VAR retvar;
|
|
|
4231 {
|
|
|
4232 FILE *fd;
|
|
|
4233 char_u *p;
|
|
|
4234 int n;
|
|
|
4235
|
|
|
4236 p = get_var_string(&argvars[0]);
|
|
|
4237 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4238 {
|
|
|
4239 n = TRUE;
|
|
|
4240 fclose(fd);
|
|
|
4241 }
|
|
|
4242 else
|
|
|
4243 n = FALSE;
|
|
|
4244
|
|
|
4245 retvar->var_val.var_number = n;
|
|
|
4246 }
|
|
|
4247
|
|
|
4248 /*
|
|
|
4249 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4250 * rights to write into.
|
|
|
4251 */
|
|
|
4252 static void
|
|
|
4253 f_filewritable(argvars, retvar)
|
|
|
4254 VAR argvars;
|
|
|
4255 VAR retvar;
|
|
|
4256 {
|
|
|
4257 char_u *p;
|
|
|
4258 int retval = 0;
|
|
|
4259 #if defined(UNIX) || defined(VMS)
|
|
|
4260 int perm = 0;
|
|
|
4261 #endif
|
|
|
4262
|
|
|
4263 p = get_var_string(&argvars[0]);
|
|
|
4264 #if defined(UNIX) || defined(VMS)
|
|
|
4265 perm = mch_getperm(p);
|
|
|
4266 #endif
|
|
|
4267 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4268 if (
|
|
|
4269 # ifdef WIN3264
|
|
|
4270 mch_writable(p) &&
|
|
|
4271 # else
|
|
|
4272 # if defined(UNIX) || defined(VMS)
|
|
|
4273 (perm & 0222) &&
|
|
|
4274 # endif
|
|
|
4275 # endif
|
|
|
4276 mch_access((char *)p, W_OK) == 0
|
|
|
4277 )
|
|
|
4278 #endif
|
|
|
4279 {
|
|
|
4280 ++retval;
|
|
|
4281 if (mch_isdir(p))
|
|
|
4282 ++retval;
|
|
|
4283 }
|
|
|
4284 retvar->var_val.var_number = retval;
|
|
|
4285 }
|
|
|
4286
|
|
|
4287 /*
|
|
19
|
4288 * "finddir({fname}[, {path}[, {count}]])" function
|
|
|
4289 */
|
|
|
4290 static void
|
|
|
4291 f_finddir(argvars, retvar)
|
|
|
4292 VAR argvars;
|
|
|
4293 VAR retvar;
|
|
|
4294 {
|
|
|
4295 f_findfilendir(argvars, retvar, TRUE);
|
|
|
4296 }
|
|
|
4297
|
|
|
4298 /*
|
|
|
4299 * "findfile({fname}[, {path}[, {count}]])" function
|
|
|
4300 */
|
|
|
4301 static void
|
|
|
4302 f_findfile(argvars, retvar)
|
|
|
4303 VAR argvars;
|
|
|
4304 VAR retvar;
|
|
|
4305 {
|
|
|
4306 f_findfilendir(argvars, retvar, FALSE);
|
|
|
4307 }
|
|
|
4308
|
|
|
4309 static void
|
|
|
4310 f_findfilendir(argvars, retvar, dir)
|
|
|
4311 VAR argvars;
|
|
|
4312 VAR retvar;
|
|
|
4313 int dir;
|
|
|
4314 {
|
|
|
4315 #ifdef FEAT_SEARCHPATH
|
|
|
4316 char_u *fname;
|
|
|
4317 char_u *fresult = NULL;
|
|
|
4318 char_u *path = *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path;
|
|
|
4319 char_u *p;
|
|
|
4320 char_u pathbuf[NUMBUFLEN];
|
|
|
4321 int count = 1;
|
|
|
4322 int first = TRUE;
|
|
|
4323
|
|
|
4324 fname = get_var_string(&argvars[0]);
|
|
|
4325
|
|
|
4326 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
4327 {
|
|
|
4328 p = get_var_string_buf(&argvars[1], pathbuf);
|
|
|
4329 if (*p != NUL)
|
|
|
4330 path = p;
|
|
|
4331
|
|
|
4332 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
4333 count = get_var_number(&argvars[2]);
|
|
|
4334 }
|
|
|
4335
|
|
|
4336 do
|
|
|
4337 {
|
|
|
4338 vim_free(fresult);
|
|
|
4339 fresult = find_file_in_path_option(first ? fname : NULL,
|
|
|
4340 first ? (int)STRLEN(fname) : 0,
|
|
|
4341 0, first, path, dir, NULL);
|
|
|
4342 first = FALSE;
|
|
|
4343 } while (--count > 0 && fresult != NULL);
|
|
|
4344
|
|
|
4345 retvar->var_val.var_string = fresult;
|
|
|
4346 #else
|
|
|
4347 retvar->var_val.var_string = NULL;
|
|
|
4348 #endif
|
|
|
4349 retvar->var_type = VAR_STRING;
|
|
|
4350 }
|
|
|
4351
|
|
|
4352 /*
|
|
7
|
4353 * "fnamemodify({fname}, {mods})" function
|
|
|
4354 */
|
|
|
4355 static void
|
|
|
4356 f_fnamemodify(argvars, retvar)
|
|
|
4357 VAR argvars;
|
|
|
4358 VAR retvar;
|
|
|
4359 {
|
|
|
4360 char_u *fname;
|
|
|
4361 char_u *mods;
|
|
|
4362 int usedlen = 0;
|
|
|
4363 int len;
|
|
|
4364 char_u *fbuf = NULL;
|
|
|
4365 char_u buf[NUMBUFLEN];
|
|
|
4366
|
|
|
4367 fname = get_var_string(&argvars[0]);
|
|
|
4368 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4369 len = (int)STRLEN(fname);
|
|
|
4370
|
|
|
4371 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4372
|
|
|
4373 retvar->var_type = VAR_STRING;
|
|
|
4374 if (fname == NULL)
|
|
|
4375 retvar->var_val.var_string = NULL;
|
|
|
4376 else
|
|
|
4377 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4378 vim_free(fbuf);
|
|
|
4379 }
|
|
|
4380
|
|
|
4381 /*
|
|
|
4382 * "foldclosed()" function
|
|
|
4383 */
|
|
|
4384 static void
|
|
|
4385 f_foldclosed(argvars, retvar)
|
|
|
4386 VAR argvars;
|
|
|
4387 VAR retvar;
|
|
|
4388 {
|
|
|
4389 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4390 }
|
|
|
4391
|
|
|
4392 /*
|
|
|
4393 * "foldclosedend()" function
|
|
|
4394 */
|
|
|
4395 static void
|
|
|
4396 f_foldclosedend(argvars, retvar)
|
|
|
4397 VAR argvars;
|
|
|
4398 VAR retvar;
|
|
|
4399 {
|
|
|
4400 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4401 }
|
|
|
4402
|
|
|
4403 /*
|
|
|
4404 * "foldclosed()" function
|
|
|
4405 */
|
|
|
4406 static void
|
|
|
4407 foldclosed_both(argvars, retvar, end)
|
|
|
4408 VAR argvars;
|
|
|
4409 VAR retvar;
|
|
|
4410 int end;
|
|
|
4411 {
|
|
|
4412 #ifdef FEAT_FOLDING
|
|
|
4413 linenr_T lnum;
|
|
|
4414 linenr_T first, last;
|
|
|
4415
|
|
|
4416 lnum = get_var_lnum(argvars);
|
|
|
4417 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4418 {
|
|
|
4419 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4420 {
|
|
|
4421 if (end)
|
|
|
4422 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4423 else
|
|
|
4424 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4425 return;
|
|
|
4426 }
|
|
|
4427 }
|
|
|
4428 #endif
|
|
|
4429 retvar->var_val.var_number = -1;
|
|
|
4430 }
|
|
|
4431
|
|
|
4432 /*
|
|
|
4433 * "foldlevel()" function
|
|
|
4434 */
|
|
|
4435 static void
|
|
|
4436 f_foldlevel(argvars, retvar)
|
|
|
4437 VAR argvars;
|
|
|
4438 VAR retvar;
|
|
|
4439 {
|
|
|
4440 #ifdef FEAT_FOLDING
|
|
|
4441 linenr_T lnum;
|
|
|
4442
|
|
|
4443 lnum = get_var_lnum(argvars);
|
|
|
4444 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4445 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4446 else
|
|
|
4447 #endif
|
|
|
4448 retvar->var_val.var_number = 0;
|
|
|
4449 }
|
|
|
4450
|
|
|
4451 /*
|
|
|
4452 * "foldtext()" function
|
|
|
4453 */
|
|
|
4454 /*ARGSUSED*/
|
|
|
4455 static void
|
|
|
4456 f_foldtext(argvars, retvar)
|
|
|
4457 VAR argvars;
|
|
|
4458 VAR retvar;
|
|
|
4459 {
|
|
|
4460 #ifdef FEAT_FOLDING
|
|
|
4461 linenr_T lnum;
|
|
|
4462 char_u *s;
|
|
|
4463 char_u *r;
|
|
|
4464 int len;
|
|
|
4465 char *txt;
|
|
|
4466 #endif
|
|
|
4467
|
|
|
4468 retvar->var_type = VAR_STRING;
|
|
|
4469 retvar->var_val.var_string = NULL;
|
|
|
4470 #ifdef FEAT_FOLDING
|
|
|
4471 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4472 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4473 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4474 {
|
|
|
4475 /* Find first non-empty line in the fold. */
|
|
|
4476 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4477 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4478 {
|
|
|
4479 if (!linewhite(lnum))
|
|
|
4480 break;
|
|
|
4481 ++lnum;
|
|
|
4482 }
|
|
|
4483
|
|
|
4484 /* Find interesting text in this line. */
|
|
|
4485 s = skipwhite(ml_get(lnum));
|
|
|
4486 /* skip C comment-start */
|
|
|
4487 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4488 s = skipwhite(s + 2);
|
|
|
4489 txt = _("+-%s%3ld lines: ");
|
|
|
4490 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4491 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4492 + 20 /* for %3ld */
|
|
|
4493 + STRLEN(s))); /* concatenated */
|
|
|
4494 if (r != NULL)
|
|
|
4495 {
|
|
|
4496 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4497 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4498 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4499 len = (int)STRLEN(r);
|
|
|
4500 STRCAT(r, s);
|
|
|
4501 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4502 foldtext_cleanup(r + len);
|
|
|
4503 retvar->var_val.var_string = r;
|
|
|
4504 }
|
|
|
4505 }
|
|
|
4506 #endif
|
|
|
4507 }
|
|
|
4508
|
|
|
4509 /*
|
|
29
|
4510 * "foldtextresult(lnum)" function
|
|
|
4511 */
|
|
|
4512 /*ARGSUSED*/
|
|
|
4513 static void
|
|
|
4514 f_foldtextresult(argvars, retvar)
|
|
|
4515 VAR argvars;
|
|
|
4516 VAR retvar;
|
|
|
4517 {
|
|
|
4518 #ifdef FEAT_FOLDING
|
|
|
4519 linenr_T lnum;
|
|
|
4520 char_u *text;
|
|
|
4521 char_u buf[51];
|
|
|
4522 foldinfo_T foldinfo;
|
|
|
4523 int fold_count;
|
|
|
4524 #endif
|
|
|
4525
|
|
|
4526 retvar->var_type = VAR_STRING;
|
|
|
4527 retvar->var_val.var_string = NULL;
|
|
|
4528 #ifdef FEAT_FOLDING
|
|
|
4529 lnum = get_var_lnum(argvars);
|
|
|
4530 fold_count = foldedCount(curwin, lnum, &foldinfo);
|
|
|
4531 if (fold_count > 0)
|
|
|
4532 {
|
|
|
4533 text = get_foldtext(curwin, lnum, lnum + fold_count - 1,
|
|
|
4534 &foldinfo, buf);
|
|
|
4535 if (text == buf)
|
|
|
4536 text = vim_strsave(text);
|
|
|
4537 retvar->var_val.var_string = text;
|
|
|
4538 }
|
|
|
4539 #endif
|
|
|
4540 }
|
|
|
4541
|
|
|
4542 /*
|
|
7
|
4543 * "foreground()" function
|
|
|
4544 */
|
|
|
4545 /*ARGSUSED*/
|
|
|
4546 static void
|
|
|
4547 f_foreground(argvars, retvar)
|
|
|
4548 VAR argvars;
|
|
|
4549 VAR retvar;
|
|
|
4550 {
|
|
|
4551 retvar->var_val.var_number = 0;
|
|
|
4552 #ifdef FEAT_GUI
|
|
|
4553 if (gui.in_use)
|
|
|
4554 gui_mch_set_foreground();
|
|
|
4555 #else
|
|
|
4556 # ifdef WIN32
|
|
|
4557 win32_set_foreground();
|
|
|
4558 # endif
|
|
|
4559 #endif
|
|
|
4560 }
|
|
|
4561
|
|
|
4562 /*
|
|
|
4563 * "getchar()" function
|
|
|
4564 */
|
|
|
4565 static void
|
|
|
4566 f_getchar(argvars, retvar)
|
|
|
4567 VAR argvars;
|
|
|
4568 VAR retvar;
|
|
|
4569 {
|
|
|
4570 varnumber_T n;
|
|
|
4571
|
|
|
4572 ++no_mapping;
|
|
|
4573 ++allow_keys;
|
|
|
4574 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4575 /* getchar(): blocking wait. */
|
|
|
4576 n = safe_vgetc();
|
|
|
4577 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4578 /* getchar(1): only check if char avail */
|
|
|
4579 n = vpeekc();
|
|
|
4580 else if (vpeekc() == NUL)
|
|
|
4581 /* getchar(0) and no char avail: return zero */
|
|
|
4582 n = 0;
|
|
|
4583 else
|
|
|
4584 /* getchar(0) and char avail: return char */
|
|
|
4585 n = safe_vgetc();
|
|
|
4586 --no_mapping;
|
|
|
4587 --allow_keys;
|
|
|
4588
|
|
|
4589 retvar->var_val.var_number = n;
|
|
|
4590 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4591 {
|
|
|
4592 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4593 int i = 0;
|
|
|
4594
|
|
|
4595 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4596 if (mod_mask != 0)
|
|
|
4597 {
|
|
|
4598 temp[i++] = K_SPECIAL;
|
|
|
4599 temp[i++] = KS_MODIFIER;
|
|
|
4600 temp[i++] = mod_mask;
|
|
|
4601 }
|
|
|
4602 if (IS_SPECIAL(n))
|
|
|
4603 {
|
|
|
4604 temp[i++] = K_SPECIAL;
|
|
|
4605 temp[i++] = K_SECOND(n);
|
|
|
4606 temp[i++] = K_THIRD(n);
|
|
|
4607 }
|
|
|
4608 #ifdef FEAT_MBYTE
|
|
|
4609 else if (has_mbyte)
|
|
|
4610 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4611 #endif
|
|
|
4612 else
|
|
|
4613 temp[i++] = n;
|
|
|
4614 temp[i++] = NUL;
|
|
|
4615 retvar->var_type = VAR_STRING;
|
|
|
4616 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4617 }
|
|
|
4618 }
|
|
|
4619
|
|
|
4620 /*
|
|
|
4621 * "getcharmod()" function
|
|
|
4622 */
|
|
|
4623 /*ARGSUSED*/
|
|
|
4624 static void
|
|
|
4625 f_getcharmod(argvars, retvar)
|
|
|
4626 VAR argvars;
|
|
|
4627 VAR retvar;
|
|
|
4628 {
|
|
|
4629 retvar->var_val.var_number = mod_mask;
|
|
|
4630 }
|
|
|
4631
|
|
|
4632 /*
|
|
|
4633 * "getcmdline()" function
|
|
|
4634 */
|
|
|
4635 /*ARGSUSED*/
|
|
|
4636 static void
|
|
|
4637 f_getcmdline(argvars, retvar)
|
|
|
4638 VAR argvars;
|
|
|
4639 VAR retvar;
|
|
|
4640 {
|
|
|
4641 retvar->var_type = VAR_STRING;
|
|
|
4642 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4643 }
|
|
|
4644
|
|
|
4645 /*
|
|
|
4646 * "getcmdpos()" function
|
|
|
4647 */
|
|
|
4648 /*ARGSUSED*/
|
|
|
4649 static void
|
|
|
4650 f_getcmdpos(argvars, retvar)
|
|
|
4651 VAR argvars;
|
|
|
4652 VAR retvar;
|
|
|
4653 {
|
|
|
4654 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4655 }
|
|
|
4656
|
|
|
4657 /*
|
|
|
4658 * "getbufvar()" function
|
|
|
4659 */
|
|
|
4660 static void
|
|
|
4661 f_getbufvar(argvars, retvar)
|
|
|
4662 VAR argvars;
|
|
|
4663 VAR retvar;
|
|
|
4664 {
|
|
|
4665 buf_T *buf;
|
|
|
4666 buf_T *save_curbuf;
|
|
|
4667 char_u *varname;
|
|
|
4668 VAR v;
|
|
|
4669
|
|
|
4670 ++emsg_off;
|
|
|
4671 buf = get_buf_var(&argvars[0]);
|
|
|
4672 varname = get_var_string(&argvars[1]);
|
|
|
4673
|
|
|
4674 retvar->var_type = VAR_STRING;
|
|
|
4675 retvar->var_val.var_string = NULL;
|
|
|
4676
|
|
|
4677 if (buf != NULL && varname != NULL)
|
|
|
4678 {
|
|
|
4679 if (*varname == '&') /* buffer-local-option */
|
|
|
4680 {
|
|
|
4681 /* set curbuf to be our buf, temporarily */
|
|
|
4682 save_curbuf = curbuf;
|
|
|
4683 curbuf = buf;
|
|
|
4684
|
|
|
4685 get_option_var(&varname, retvar, TRUE);
|
|
|
4686
|
|
|
4687 /* restore previous notion of curbuf */
|
|
|
4688 curbuf = save_curbuf;
|
|
|
4689 }
|
|
|
4690 else
|
|
|
4691 {
|
|
|
4692 /* look up the variable */
|
|
|
4693 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4694 if (v != NULL)
|
|
|
4695 copy_var(v, retvar);
|
|
|
4696 }
|
|
|
4697 }
|
|
|
4698
|
|
|
4699 --emsg_off;
|
|
|
4700 }
|
|
|
4701
|
|
|
4702 /*
|
|
|
4703 * "getcwd()" function
|
|
|
4704 */
|
|
|
4705 /*ARGSUSED*/
|
|
|
4706 static void
|
|
|
4707 f_getcwd(argvars, retvar)
|
|
|
4708 VAR argvars;
|
|
|
4709 VAR retvar;
|
|
|
4710 {
|
|
|
4711 char_u cwd[MAXPATHL];
|
|
|
4712
|
|
|
4713 retvar->var_type = VAR_STRING;
|
|
|
4714 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4715 retvar->var_val.var_string = NULL;
|
|
|
4716 else
|
|
|
4717 {
|
|
|
4718 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4719 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4720 slash_adjust(retvar->var_val.var_string);
|
|
|
4721 #endif
|
|
|
4722 }
|
|
|
4723 }
|
|
|
4724
|
|
|
4725 /*
|
|
20
|
4726 * "getfperm({fname})" function
|
|
|
4727 */
|
|
|
4728 static void
|
|
|
4729 f_getfperm(argvars, retvar)
|
|
|
4730 VAR argvars;
|
|
|
4731 VAR retvar;
|
|
|
4732 {
|
|
|
4733 char_u *fname;
|
|
|
4734 struct stat st;
|
|
|
4735 char_u *perm = NULL;
|
|
|
4736 char_u flags[] = "rwx";
|
|
|
4737 int i;
|
|
|
4738
|
|
|
4739 fname = get_var_string(&argvars[0]);
|
|
|
4740
|
|
|
4741 retvar->var_type = VAR_STRING;
|
|
|
4742 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4743 {
|
|
|
4744 perm = vim_strsave((char_u *)"---------");
|
|
|
4745 if (perm != NULL)
|
|
|
4746 {
|
|
|
4747 for (i = 0; i < 9; i++)
|
|
|
4748 {
|
|
|
4749 if (st.st_mode & (1 << (8 - i)))
|
|
|
4750 perm[i] = flags[i % 3];
|
|
|
4751 }
|
|
|
4752 }
|
|
|
4753 }
|
|
|
4754 retvar->var_val.var_string = perm;
|
|
|
4755 }
|
|
|
4756
|
|
|
4757 /*
|
|
7
|
4758 * "getfsize({fname})" function
|
|
|
4759 */
|
|
|
4760 static void
|
|
|
4761 f_getfsize(argvars, retvar)
|
|
|
4762 VAR argvars;
|
|
|
4763 VAR retvar;
|
|
|
4764 {
|
|
|
4765 char_u *fname;
|
|
|
4766 struct stat st;
|
|
|
4767
|
|
|
4768 fname = get_var_string(&argvars[0]);
|
|
|
4769
|
|
|
4770 retvar->var_type = VAR_NUMBER;
|
|
|
4771
|
|
|
4772 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4773 {
|
|
|
4774 if (mch_isdir(fname))
|
|
|
4775 retvar->var_val.var_number = 0;
|
|
|
4776 else
|
|
|
4777 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4778 }
|
|
|
4779 else
|
|
|
4780 retvar->var_val.var_number = -1;
|
|
|
4781 }
|
|
|
4782
|
|
|
4783 /*
|
|
|
4784 * "getftime({fname})" function
|
|
|
4785 */
|
|
|
4786 static void
|
|
|
4787 f_getftime(argvars, retvar)
|
|
|
4788 VAR argvars;
|
|
|
4789 VAR retvar;
|
|
|
4790 {
|
|
|
4791 char_u *fname;
|
|
|
4792 struct stat st;
|
|
|
4793
|
|
|
4794 fname = get_var_string(&argvars[0]);
|
|
|
4795
|
|
|
4796 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4797 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4798 else
|
|
|
4799 retvar->var_val.var_number = -1;
|
|
|
4800 }
|
|
|
4801
|
|
|
4802 /*
|
|
20
|
4803 * "getftype({fname})" function
|
|
|
4804 */
|
|
|
4805 static void
|
|
|
4806 f_getftype(argvars, retvar)
|
|
|
4807 VAR argvars;
|
|
|
4808 VAR retvar;
|
|
|
4809 {
|
|
|
4810 char_u *fname;
|
|
|
4811 struct stat st;
|
|
|
4812 char_u *type = NULL;
|
|
|
4813 char *t;
|
|
|
4814
|
|
|
4815 fname = get_var_string(&argvars[0]);
|
|
|
4816
|
|
|
4817 retvar->var_type = VAR_STRING;
|
|
|
4818 if (mch_lstat((char *)fname, &st) >= 0)
|
|
|
4819 {
|
|
|
4820 #ifdef S_ISREG
|
|
|
4821 if (S_ISREG(st.st_mode))
|
|
|
4822 t = "file";
|
|
|
4823 else if (S_ISDIR(st.st_mode))
|
|
|
4824 t = "dir";
|
|
|
4825 # ifdef S_ISLNK
|
|
|
4826 else if (S_ISLNK(st.st_mode))
|
|
|
4827 t = "link";
|
|
|
4828 # endif
|
|
|
4829 # ifdef S_ISBLK
|
|
|
4830 else if (S_ISBLK(st.st_mode))
|
|
|
4831 t = "bdev";
|
|
|
4832 # endif
|
|
|
4833 # ifdef S_ISCHR
|
|
|
4834 else if (S_ISCHR(st.st_mode))
|
|
|
4835 t = "cdev";
|
|
|
4836 # endif
|
|
|
4837 # ifdef S_ISFIFO
|
|
|
4838 else if (S_ISFIFO(st.st_mode))
|
|
|
4839 t = "fifo";
|
|
|
4840 # endif
|
|
|
4841 # ifdef S_ISSOCK
|
|
|
4842 else if (S_ISSOCK(st.st_mode))
|
|
|
4843 t = "fifo";
|
|
|
4844 # endif
|
|
|
4845 else
|
|
|
4846 t = "other";
|
|
|
4847 #else
|
|
|
4848 # ifdef S_IFMT
|
|
|
4849 switch (st.st_mode & S_IFMT)
|
|
|
4850 {
|
|
|
4851 case S_IFREG: t = "file"; break;
|
|
|
4852 case S_IFDIR: t = "dir"; break;
|
|
|
4853 # ifdef S_IFLNK
|
|
|
4854 case S_IFLNK: t = "link"; break;
|
|
|
4855 # endif
|
|
|
4856 # ifdef S_IFBLK
|
|
|
4857 case S_IFBLK: t = "bdev"; break;
|
|
|
4858 # endif
|
|
|
4859 # ifdef S_IFCHR
|
|
|
4860 case S_IFCHR: t = "cdev"; break;
|
|
|
4861 # endif
|
|
|
4862 # ifdef S_IFIFO
|
|
|
4863 case S_IFIFO: t = "fifo"; break;
|
|
|
4864 # endif
|
|
|
4865 # ifdef S_IFSOCK
|
|
|
4866 case S_IFSOCK: t = "socket"; break;
|
|
|
4867 # endif
|
|
|
4868 default: t = "other";
|
|
|
4869 }
|
|
|
4870 # else
|
|
|
4871 if (mch_isdir(fname))
|
|
|
4872 t = "dir";
|
|
|
4873 else
|
|
|
4874 t = "file";
|
|
|
4875 # endif
|
|
|
4876 #endif
|
|
|
4877 type = vim_strsave((char_u *)t);
|
|
|
4878 }
|
|
|
4879 retvar->var_val.var_string = type;
|
|
|
4880 }
|
|
|
4881
|
|
|
4882 /*
|
|
7
|
4883 * "getreg()" function
|
|
|
4884 */
|
|
|
4885 static void
|
|
|
4886 f_getreg(argvars, retvar)
|
|
|
4887 VAR argvars;
|
|
|
4888 VAR retvar;
|
|
|
4889 {
|
|
|
4890 char_u *strregname;
|
|
|
4891 int regname;
|
|
|
4892
|
|
|
4893 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4894 strregname = get_var_string(&argvars[0]);
|
|
|
4895 else
|
|
|
4896 strregname = vimvars[VV_REG].val;
|
|
|
4897 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4898 if (regname == 0)
|
|
|
4899 regname = '"';
|
|
|
4900
|
|
|
4901 retvar->var_type = VAR_STRING;
|
|
|
4902 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4903 }
|
|
|
4904
|
|
|
4905 /*
|
|
|
4906 * "getregtype()" function
|
|
|
4907 */
|
|
|
4908 static void
|
|
|
4909 f_getregtype(argvars, retvar)
|
|
|
4910 VAR argvars;
|
|
|
4911 VAR retvar;
|
|
|
4912 {
|
|
|
4913 char_u *strregname;
|
|
|
4914 int regname;
|
|
|
4915 char_u buf[NUMBUFLEN + 2];
|
|
|
4916 long reglen = 0;
|
|
|
4917
|
|
|
4918 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4919 strregname = get_var_string(&argvars[0]);
|
|
|
4920 else
|
|
|
4921 /* Default to v:register */
|
|
|
4922 strregname = vimvars[VV_REG].val;
|
|
|
4923
|
|
|
4924 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4925 if (regname == 0)
|
|
|
4926 regname = '"';
|
|
|
4927
|
|
|
4928 buf[0] = NUL;
|
|
|
4929 buf[1] = NUL;
|
|
|
4930 switch (get_reg_type(regname, ®len))
|
|
|
4931 {
|
|
|
4932 case MLINE: buf[0] = 'V'; break;
|
|
|
4933 case MCHAR: buf[0] = 'v'; break;
|
|
|
4934 #ifdef FEAT_VISUAL
|
|
|
4935 case MBLOCK:
|
|
|
4936 buf[0] = Ctrl_V;
|
|
|
4937 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4938 break;
|
|
|
4939 #endif
|
|
|
4940 }
|
|
|
4941 retvar->var_type = VAR_STRING;
|
|
|
4942 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4943 }
|
|
|
4944
|
|
|
4945 /*
|
|
|
4946 * "getline(lnum)" function
|
|
|
4947 */
|
|
|
4948 static void
|
|
|
4949 f_getline(argvars, retvar)
|
|
|
4950 VAR argvars;
|
|
|
4951 VAR retvar;
|
|
|
4952 {
|
|
|
4953 linenr_T lnum;
|
|
|
4954 char_u *p;
|
|
|
4955
|
|
|
4956 lnum = get_var_lnum(argvars);
|
|
|
4957
|
|
|
4958 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4959 p = ml_get(lnum);
|
|
|
4960 else
|
|
|
4961 p = (char_u *)"";
|
|
|
4962
|
|
|
4963 retvar->var_type = VAR_STRING;
|
|
|
4964 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4965 }
|
|
|
4966
|
|
|
4967 /*
|
|
|
4968 * "getwinposx()" function
|
|
|
4969 */
|
|
|
4970 /*ARGSUSED*/
|
|
|
4971 static void
|
|
|
4972 f_getwinposx(argvars, retvar)
|
|
|
4973 VAR argvars;
|
|
|
4974 VAR retvar;
|
|
|
4975 {
|
|
|
4976 retvar->var_val.var_number = -1;
|
|
|
4977 #ifdef FEAT_GUI
|
|
|
4978 if (gui.in_use)
|
|
|
4979 {
|
|
|
4980 int x, y;
|
|
|
4981
|
|
|
4982 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4983 retvar->var_val.var_number = x;
|
|
|
4984 }
|
|
|
4985 #endif
|
|
|
4986 }
|
|
|
4987
|
|
|
4988 /*
|
|
|
4989 * "getwinposy()" function
|
|
|
4990 */
|
|
|
4991 /*ARGSUSED*/
|
|
|
4992 static void
|
|
|
4993 f_getwinposy(argvars, retvar)
|
|
|
4994 VAR argvars;
|
|
|
4995 VAR retvar;
|
|
|
4996 {
|
|
|
4997 retvar->var_val.var_number = -1;
|
|
|
4998 #ifdef FEAT_GUI
|
|
|
4999 if (gui.in_use)
|
|
|
5000 {
|
|
|
5001 int x, y;
|
|
|
5002
|
|
|
5003 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
5004 retvar->var_val.var_number = y;
|
|
|
5005 }
|
|
|
5006 #endif
|
|
|
5007 }
|
|
|
5008
|
|
|
5009 /*
|
|
|
5010 * "getwinvar()" function
|
|
|
5011 */
|
|
|
5012 static void
|
|
|
5013 f_getwinvar(argvars, retvar)
|
|
|
5014 VAR argvars;
|
|
|
5015 VAR retvar;
|
|
|
5016 {
|
|
|
5017 win_T *win, *oldcurwin;
|
|
|
5018 char_u *varname;
|
|
|
5019 VAR v;
|
|
|
5020
|
|
|
5021 ++emsg_off;
|
|
|
5022 win = find_win_by_nr(&argvars[0]);
|
|
|
5023 varname = get_var_string(&argvars[1]);
|
|
|
5024
|
|
|
5025 retvar->var_type = VAR_STRING;
|
|
|
5026 retvar->var_val.var_string = NULL;
|
|
|
5027
|
|
|
5028 if (win != NULL && varname != NULL)
|
|
|
5029 {
|
|
|
5030 if (*varname == '&') /* window-local-option */
|
|
|
5031 {
|
|
|
5032 /* set curwin to be our win, temporarily */
|
|
|
5033 oldcurwin = curwin;
|
|
|
5034 curwin = win;
|
|
|
5035
|
|
|
5036 get_option_var(&varname, retvar , 1);
|
|
|
5037
|
|
|
5038 /* restore previous notion of curwin */
|
|
|
5039 curwin = oldcurwin;
|
|
|
5040 }
|
|
|
5041 else
|
|
|
5042 {
|
|
|
5043 /* look up the variable */
|
|
|
5044 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
5045 if (v != NULL)
|
|
|
5046 copy_var(v, retvar);
|
|
|
5047 }
|
|
|
5048 }
|
|
|
5049
|
|
|
5050 --emsg_off;
|
|
|
5051 }
|
|
|
5052
|
|
|
5053 /*
|
|
|
5054 * "glob()" function
|
|
|
5055 */
|
|
|
5056 static void
|
|
|
5057 f_glob(argvars, retvar)
|
|
|
5058 VAR argvars;
|
|
|
5059 VAR retvar;
|
|
|
5060 {
|
|
|
5061 expand_T xpc;
|
|
|
5062
|
|
|
5063 ExpandInit(&xpc);
|
|
|
5064 xpc.xp_context = EXPAND_FILES;
|
|
|
5065 retvar->var_type = VAR_STRING;
|
|
|
5066 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
5067 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
5068 ExpandCleanup(&xpc);
|
|
|
5069 }
|
|
|
5070
|
|
|
5071 /*
|
|
|
5072 * "globpath()" function
|
|
|
5073 */
|
|
|
5074 static void
|
|
|
5075 f_globpath(argvars, retvar)
|
|
|
5076 VAR argvars;
|
|
|
5077 VAR retvar;
|
|
|
5078 {
|
|
|
5079 char_u buf1[NUMBUFLEN];
|
|
|
5080
|
|
|
5081 retvar->var_type = VAR_STRING;
|
|
|
5082 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
5083 get_var_string_buf(&argvars[1], buf1));
|
|
|
5084 }
|
|
|
5085
|
|
|
5086 /*
|
|
|
5087 * "has()" function
|
|
|
5088 */
|
|
|
5089 static void
|
|
|
5090 f_has(argvars, retvar)
|
|
|
5091 VAR argvars;
|
|
|
5092 VAR retvar;
|
|
|
5093 {
|
|
|
5094 int i;
|
|
|
5095 char_u *name;
|
|
|
5096 int n = FALSE;
|
|
|
5097 static char *(has_list[]) =
|
|
|
5098 {
|
|
|
5099 #ifdef AMIGA
|
|
|
5100 "amiga",
|
|
|
5101 # ifdef FEAT_ARP
|
|
|
5102 "arp",
|
|
|
5103 # endif
|
|
|
5104 #endif
|
|
|
5105 #ifdef __BEOS__
|
|
|
5106 "beos",
|
|
|
5107 #endif
|
|
|
5108 #ifdef MSDOS
|
|
|
5109 # ifdef DJGPP
|
|
|
5110 "dos32",
|
|
|
5111 # else
|
|
|
5112 "dos16",
|
|
|
5113 # endif
|
|
|
5114 #endif
|
|
|
5115 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
5116 "mac",
|
|
|
5117 #endif
|
|
|
5118 #if defined(MACOS_X_UNIX)
|
|
|
5119 "macunix",
|
|
|
5120 #endif
|
|
|
5121 #ifdef OS2
|
|
|
5122 "os2",
|
|
|
5123 #endif
|
|
|
5124 #ifdef __QNX__
|
|
|
5125 "qnx",
|
|
|
5126 #endif
|
|
|
5127 #ifdef RISCOS
|
|
|
5128 "riscos",
|
|
|
5129 #endif
|
|
|
5130 #ifdef UNIX
|
|
|
5131 "unix",
|
|
|
5132 #endif
|
|
|
5133 #ifdef VMS
|
|
|
5134 "vms",
|
|
|
5135 #endif
|
|
|
5136 #ifdef WIN16
|
|
|
5137 "win16",
|
|
|
5138 #endif
|
|
|
5139 #ifdef WIN32
|
|
|
5140 "win32",
|
|
|
5141 #endif
|
|
|
5142 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
5143 "win32unix",
|
|
|
5144 #endif
|
|
|
5145 #ifdef WIN64
|
|
|
5146 "win64",
|
|
|
5147 #endif
|
|
|
5148 #ifdef EBCDIC
|
|
|
5149 "ebcdic",
|
|
|
5150 #endif
|
|
|
5151 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
5152 "fname_case",
|
|
|
5153 #endif
|
|
|
5154 #ifdef FEAT_ARABIC
|
|
|
5155 "arabic",
|
|
|
5156 #endif
|
|
|
5157 #ifdef FEAT_AUTOCMD
|
|
|
5158 "autocmd",
|
|
|
5159 #endif
|
|
|
5160 #ifdef FEAT_BEVAL
|
|
|
5161 "balloon_eval",
|
|
|
5162 #endif
|
|
|
5163 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
5164 "builtin_terms",
|
|
|
5165 # ifdef ALL_BUILTIN_TCAPS
|
|
|
5166 "all_builtin_terms",
|
|
|
5167 # endif
|
|
|
5168 #endif
|
|
|
5169 #ifdef FEAT_BYTEOFF
|
|
|
5170 "byte_offset",
|
|
|
5171 #endif
|
|
|
5172 #ifdef FEAT_CINDENT
|
|
|
5173 "cindent",
|
|
|
5174 #endif
|
|
|
5175 #ifdef FEAT_CLIENTSERVER
|
|
|
5176 "clientserver",
|
|
|
5177 #endif
|
|
|
5178 #ifdef FEAT_CLIPBOARD
|
|
|
5179 "clipboard",
|
|
|
5180 #endif
|
|
|
5181 #ifdef FEAT_CMDL_COMPL
|
|
|
5182 "cmdline_compl",
|
|
|
5183 #endif
|
|
|
5184 #ifdef FEAT_CMDHIST
|
|
|
5185 "cmdline_hist",
|
|
|
5186 #endif
|
|
|
5187 #ifdef FEAT_COMMENTS
|
|
|
5188 "comments",
|
|
|
5189 #endif
|
|
|
5190 #ifdef FEAT_CRYPT
|
|
|
5191 "cryptv",
|
|
|
5192 #endif
|
|
|
5193 #ifdef FEAT_CSCOPE
|
|
|
5194 "cscope",
|
|
|
5195 #endif
|
|
|
5196 #ifdef DEBUG
|
|
|
5197 "debug",
|
|
|
5198 #endif
|
|
|
5199 #ifdef FEAT_CON_DIALOG
|
|
|
5200 "dialog_con",
|
|
|
5201 #endif
|
|
|
5202 #ifdef FEAT_GUI_DIALOG
|
|
|
5203 "dialog_gui",
|
|
|
5204 #endif
|
|
|
5205 #ifdef FEAT_DIFF
|
|
|
5206 "diff",
|
|
|
5207 #endif
|
|
|
5208 #ifdef FEAT_DIGRAPHS
|
|
|
5209 "digraphs",
|
|
|
5210 #endif
|
|
|
5211 #ifdef FEAT_DND
|
|
|
5212 "dnd",
|
|
|
5213 #endif
|
|
|
5214 #ifdef FEAT_EMACS_TAGS
|
|
|
5215 "emacs_tags",
|
|
|
5216 #endif
|
|
|
5217 "eval", /* always present, of course! */
|
|
|
5218 #ifdef FEAT_EX_EXTRA
|
|
|
5219 "ex_extra",
|
|
|
5220 #endif
|
|
|
5221 #ifdef FEAT_SEARCH_EXTRA
|
|
|
5222 "extra_search",
|
|
|
5223 #endif
|
|
|
5224 #ifdef FEAT_FKMAP
|
|
|
5225 "farsi",
|
|
|
5226 #endif
|
|
|
5227 #ifdef FEAT_SEARCHPATH
|
|
|
5228 "file_in_path",
|
|
|
5229 #endif
|
|
|
5230 #ifdef FEAT_FIND_ID
|
|
|
5231 "find_in_path",
|
|
|
5232 #endif
|
|
|
5233 #ifdef FEAT_FOLDING
|
|
|
5234 "folding",
|
|
|
5235 #endif
|
|
|
5236 #ifdef FEAT_FOOTER
|
|
|
5237 "footer",
|
|
|
5238 #endif
|
|
|
5239 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
5240 "fork",
|
|
|
5241 #endif
|
|
|
5242 #ifdef FEAT_GETTEXT
|
|
|
5243 "gettext",
|
|
|
5244 #endif
|
|
|
5245 #ifdef FEAT_GUI
|
|
|
5246 "gui",
|
|
|
5247 #endif
|
|
|
5248 #ifdef FEAT_GUI_ATHENA
|
|
|
5249 # ifdef FEAT_GUI_NEXTAW
|
|
|
5250 "gui_neXtaw",
|
|
|
5251 # else
|
|
|
5252 "gui_athena",
|
|
|
5253 # endif
|
|
|
5254 #endif
|
|
|
5255 #ifdef FEAT_GUI_BEOS
|
|
|
5256 "gui_beos",
|
|
|
5257 #endif
|
|
11
|
5258 #ifdef FEAT_GUI_KDE
|
|
|
5259 "gui_kde",
|
|
|
5260 #endif
|
|
7
|
5261 #ifdef FEAT_GUI_GTK
|
|
|
5262 "gui_gtk",
|
|
|
5263 # ifdef HAVE_GTK2
|
|
|
5264 "gui_gtk2",
|
|
|
5265 # endif
|
|
|
5266 #endif
|
|
|
5267 #ifdef FEAT_GUI_MAC
|
|
|
5268 "gui_mac",
|
|
|
5269 #endif
|
|
|
5270 #ifdef FEAT_GUI_MOTIF
|
|
|
5271 "gui_motif",
|
|
|
5272 #endif
|
|
|
5273 #ifdef FEAT_GUI_PHOTON
|
|
|
5274 "gui_photon",
|
|
|
5275 #endif
|
|
|
5276 #ifdef FEAT_GUI_W16
|
|
|
5277 "gui_win16",
|
|
|
5278 #endif
|
|
|
5279 #ifdef FEAT_GUI_W32
|
|
|
5280 "gui_win32",
|
|
|
5281 #endif
|
|
|
5282 #ifdef FEAT_HANGULIN
|
|
|
5283 "hangul_input",
|
|
|
5284 #endif
|
|
|
5285 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
5286 "iconv",
|
|
|
5287 #endif
|
|
|
5288 #ifdef FEAT_INS_EXPAND
|
|
|
5289 "insert_expand",
|
|
|
5290 #endif
|
|
|
5291 #ifdef FEAT_JUMPLIST
|
|
|
5292 "jumplist",
|
|
|
5293 #endif
|
|
|
5294 #ifdef FEAT_KEYMAP
|
|
|
5295 "keymap",
|
|
|
5296 #endif
|
|
|
5297 #ifdef FEAT_LANGMAP
|
|
|
5298 "langmap",
|
|
|
5299 #endif
|
|
|
5300 #ifdef FEAT_LIBCALL
|
|
|
5301 "libcall",
|
|
|
5302 #endif
|
|
|
5303 #ifdef FEAT_LINEBREAK
|
|
|
5304 "linebreak",
|
|
|
5305 #endif
|
|
|
5306 #ifdef FEAT_LISP
|
|
|
5307 "lispindent",
|
|
|
5308 #endif
|
|
|
5309 #ifdef FEAT_LISTCMDS
|
|
|
5310 "listcmds",
|
|
|
5311 #endif
|
|
|
5312 #ifdef FEAT_LOCALMAP
|
|
|
5313 "localmap",
|
|
|
5314 #endif
|
|
|
5315 #ifdef FEAT_MENU
|
|
|
5316 "menu",
|
|
|
5317 #endif
|
|
|
5318 #ifdef FEAT_SESSION
|
|
|
5319 "mksession",
|
|
|
5320 #endif
|
|
|
5321 #ifdef FEAT_MODIFY_FNAME
|
|
|
5322 "modify_fname",
|
|
|
5323 #endif
|
|
|
5324 #ifdef FEAT_MOUSE
|
|
|
5325 "mouse",
|
|
|
5326 #endif
|
|
|
5327 #ifdef FEAT_MOUSESHAPE
|
|
|
5328 "mouseshape",
|
|
|
5329 #endif
|
|
|
5330 #if defined(UNIX) || defined(VMS)
|
|
|
5331 # ifdef FEAT_MOUSE_DEC
|
|
|
5332 "mouse_dec",
|
|
|
5333 # endif
|
|
|
5334 # ifdef FEAT_MOUSE_GPM
|
|
|
5335 "mouse_gpm",
|
|
|
5336 # endif
|
|
|
5337 # ifdef FEAT_MOUSE_JSB
|
|
|
5338 "mouse_jsbterm",
|
|
|
5339 # endif
|
|
|
5340 # ifdef FEAT_MOUSE_NET
|
|
|
5341 "mouse_netterm",
|
|
|
5342 # endif
|
|
|
5343 # ifdef FEAT_MOUSE_PTERM
|
|
|
5344 "mouse_pterm",
|
|
|
5345 # endif
|
|
|
5346 # ifdef FEAT_MOUSE_XTERM
|
|
|
5347 "mouse_xterm",
|
|
|
5348 # endif
|
|
|
5349 #endif
|
|
|
5350 #ifdef FEAT_MBYTE
|
|
|
5351 "multi_byte",
|
|
|
5352 #endif
|
|
|
5353 #ifdef FEAT_MBYTE_IME
|
|
|
5354 "multi_byte_ime",
|
|
|
5355 #endif
|
|
|
5356 #ifdef FEAT_MULTI_LANG
|
|
|
5357 "multi_lang",
|
|
|
5358 #endif
|
|
14
|
5359 #ifdef FEAT_MZSCHEME
|
|
|
5360 "mzscheme",
|
|
|
5361 #endif
|
|
7
|
5362 #ifdef FEAT_OLE
|
|
|
5363 "ole",
|
|
|
5364 #endif
|
|
|
5365 #ifdef FEAT_OSFILETYPE
|
|
|
5366 "osfiletype",
|
|
|
5367 #endif
|
|
|
5368 #ifdef FEAT_PATH_EXTRA
|
|
|
5369 "path_extra",
|
|
|
5370 #endif
|
|
|
5371 #ifdef FEAT_PERL
|
|
|
5372 #ifndef DYNAMIC_PERL
|
|
|
5373 "perl",
|
|
|
5374 #endif
|
|
|
5375 #endif
|
|
|
5376 #ifdef FEAT_PYTHON
|
|
|
5377 #ifndef DYNAMIC_PYTHON
|
|
|
5378 "python",
|
|
|
5379 #endif
|
|
|
5380 #endif
|
|
|
5381 #ifdef FEAT_POSTSCRIPT
|
|
|
5382 "postscript",
|
|
|
5383 #endif
|
|
|
5384 #ifdef FEAT_PRINTER
|
|
|
5385 "printer",
|
|
|
5386 #endif
|
|
|
5387 #ifdef FEAT_QUICKFIX
|
|
|
5388 "quickfix",
|
|
|
5389 #endif
|
|
|
5390 #ifdef FEAT_RIGHTLEFT
|
|
|
5391 "rightleft",
|
|
|
5392 #endif
|
|
|
5393 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
5394 "ruby",
|
|
|
5395 #endif
|
|
|
5396 #ifdef FEAT_SCROLLBIND
|
|
|
5397 "scrollbind",
|
|
|
5398 #endif
|
|
|
5399 #ifdef FEAT_CMDL_INFO
|
|
|
5400 "showcmd",
|
|
|
5401 "cmdline_info",
|
|
|
5402 #endif
|
|
|
5403 #ifdef FEAT_SIGNS
|
|
|
5404 "signs",
|
|
|
5405 #endif
|
|
|
5406 #ifdef FEAT_SMARTINDENT
|
|
|
5407 "smartindent",
|
|
|
5408 #endif
|
|
|
5409 #ifdef FEAT_SNIFF
|
|
|
5410 "sniff",
|
|
|
5411 #endif
|
|
|
5412 #ifdef FEAT_STL_OPT
|
|
|
5413 "statusline",
|
|
|
5414 #endif
|
|
|
5415 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5416 "sun_workshop",
|
|
|
5417 #endif
|
|
|
5418 #ifdef FEAT_NETBEANS_INTG
|
|
|
5419 "netbeans_intg",
|
|
|
5420 #endif
|
|
|
5421 #ifdef FEAT_SYN_HL
|
|
|
5422 "syntax",
|
|
|
5423 #endif
|
|
|
5424 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5425 "system",
|
|
|
5426 #endif
|
|
|
5427 #ifdef FEAT_TAG_BINS
|
|
|
5428 "tag_binary",
|
|
|
5429 #endif
|
|
|
5430 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5431 "tag_old_static",
|
|
|
5432 #endif
|
|
|
5433 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5434 "tag_any_white",
|
|
|
5435 #endif
|
|
|
5436 #ifdef FEAT_TCL
|
|
|
5437 # ifndef DYNAMIC_TCL
|
|
|
5438 "tcl",
|
|
|
5439 # endif
|
|
|
5440 #endif
|
|
|
5441 #ifdef TERMINFO
|
|
|
5442 "terminfo",
|
|
|
5443 #endif
|
|
|
5444 #ifdef FEAT_TERMRESPONSE
|
|
|
5445 "termresponse",
|
|
|
5446 #endif
|
|
|
5447 #ifdef FEAT_TEXTOBJ
|
|
|
5448 "textobjects",
|
|
|
5449 #endif
|
|
|
5450 #ifdef HAVE_TGETENT
|
|
|
5451 "tgetent",
|
|
|
5452 #endif
|
|
|
5453 #ifdef FEAT_TITLE
|
|
|
5454 "title",
|
|
|
5455 #endif
|
|
|
5456 #ifdef FEAT_TOOLBAR
|
|
|
5457 "toolbar",
|
|
|
5458 #endif
|
|
|
5459 #ifdef FEAT_USR_CMDS
|
|
|
5460 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5461 "user_commands",
|
|
|
5462 #endif
|
|
|
5463 #ifdef FEAT_VIMINFO
|
|
|
5464 "viminfo",
|
|
|
5465 #endif
|
|
|
5466 #ifdef FEAT_VERTSPLIT
|
|
|
5467 "vertsplit",
|
|
|
5468 #endif
|
|
|
5469 #ifdef FEAT_VIRTUALEDIT
|
|
|
5470 "virtualedit",
|
|
|
5471 #endif
|
|
|
5472 #ifdef FEAT_VISUAL
|
|
|
5473 "visual",
|
|
|
5474 #endif
|
|
|
5475 #ifdef FEAT_VISUALEXTRA
|
|
|
5476 "visualextra",
|
|
|
5477 #endif
|
|
|
5478 #ifdef FEAT_VREPLACE
|
|
|
5479 "vreplace",
|
|
|
5480 #endif
|
|
|
5481 #ifdef FEAT_WILDIGN
|
|
|
5482 "wildignore",
|
|
|
5483 #endif
|
|
|
5484 #ifdef FEAT_WILDMENU
|
|
|
5485 "wildmenu",
|
|
|
5486 #endif
|
|
|
5487 #ifdef FEAT_WINDOWS
|
|
|
5488 "windows",
|
|
|
5489 #endif
|
|
|
5490 #ifdef FEAT_WAK
|
|
|
5491 "winaltkeys",
|
|
|
5492 #endif
|
|
|
5493 #ifdef FEAT_WRITEBACKUP
|
|
|
5494 "writebackup",
|
|
|
5495 #endif
|
|
|
5496 #ifdef FEAT_XIM
|
|
|
5497 "xim",
|
|
|
5498 #endif
|
|
|
5499 #ifdef FEAT_XFONTSET
|
|
|
5500 "xfontset",
|
|
|
5501 #endif
|
|
|
5502 #ifdef USE_XSMP
|
|
|
5503 "xsmp",
|
|
|
5504 #endif
|
|
|
5505 #ifdef USE_XSMP_INTERACT
|
|
|
5506 "xsmp_interact",
|
|
|
5507 #endif
|
|
|
5508 #ifdef FEAT_XCLIPBOARD
|
|
|
5509 "xterm_clipboard",
|
|
|
5510 #endif
|
|
|
5511 #ifdef FEAT_XTERM_SAVE
|
|
|
5512 "xterm_save",
|
|
|
5513 #endif
|
|
|
5514 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5515 "X11",
|
|
|
5516 #endif
|
|
|
5517 NULL
|
|
|
5518 };
|
|
|
5519
|
|
|
5520 name = get_var_string(&argvars[0]);
|
|
|
5521 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5522 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5523 {
|
|
|
5524 n = TRUE;
|
|
|
5525 break;
|
|
|
5526 }
|
|
|
5527
|
|
|
5528 if (n == FALSE)
|
|
|
5529 {
|
|
|
5530 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5531 n = has_patch(atoi((char *)name + 5));
|
|
|
5532 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5533 n = (starting != 0);
|
|
|
5534 #ifdef DYNAMIC_TCL
|
|
|
5535 else if (STRICMP(name, "tcl") == 0)
|
|
|
5536 n = tcl_enabled(FALSE);
|
|
|
5537 #endif
|
|
|
5538 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5539 else if (STRICMP(name, "iconv") == 0)
|
|
|
5540 n = iconv_enabled(FALSE);
|
|
|
5541 #endif
|
|
|
5542 #ifdef DYNAMIC_RUBY
|
|
|
5543 else if (STRICMP(name, "ruby") == 0)
|
|
|
5544 n = ruby_enabled(FALSE);
|
|
|
5545 #endif
|
|
|
5546 #ifdef DYNAMIC_PYTHON
|
|
|
5547 else if (STRICMP(name, "python") == 0)
|
|
|
5548 n = python_enabled(FALSE);
|
|
|
5549 #endif
|
|
|
5550 #ifdef DYNAMIC_PERL
|
|
|
5551 else if (STRICMP(name, "perl") == 0)
|
|
|
5552 n = perl_enabled(FALSE);
|
|
|
5553 #endif
|
|
|
5554 #ifdef FEAT_GUI
|
|
|
5555 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5556 n = (gui.in_use || gui.starting);
|
|
|
5557 # ifdef FEAT_GUI_W32
|
|
|
5558 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5559 n = gui_is_win32s();
|
|
|
5560 # endif
|
|
|
5561 # ifdef FEAT_BROWSE
|
|
|
5562 else if (STRICMP(name, "browse") == 0)
|
|
|
5563 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5564 # endif
|
|
|
5565 #endif
|
|
|
5566 #ifdef FEAT_SYN_HL
|
|
|
5567 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5568 n = syntax_present(curbuf);
|
|
|
5569 #endif
|
|
|
5570 #if defined(WIN3264)
|
|
|
5571 else if (STRICMP(name, "win95") == 0)
|
|
|
5572 n = mch_windows95();
|
|
|
5573 #endif
|
|
34
|
5574 #ifdef FEAT_NETBEANS_INTG
|
|
|
5575 else if (STRICMP(name, "netbeans_enabled") == 0)
|
|
|
5576 n = usingNetbeans;
|
|
|
5577 #endif
|
|
7
|
5578 }
|
|
|
5579
|
|
|
5580 retvar->var_val.var_number = n;
|
|
|
5581 }
|
|
|
5582
|
|
|
5583 /*
|
|
|
5584 * "hasmapto()" function
|
|
|
5585 */
|
|
|
5586 static void
|
|
|
5587 f_hasmapto(argvars, retvar)
|
|
|
5588 VAR argvars;
|
|
|
5589 VAR retvar;
|
|
|
5590 {
|
|
|
5591 char_u *name;
|
|
|
5592 char_u *mode;
|
|
|
5593 char_u buf[NUMBUFLEN];
|
|
|
5594
|
|
|
5595 name = get_var_string(&argvars[0]);
|
|
|
5596 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5597 mode = (char_u *)"nvo";
|
|
|
5598 else
|
|
|
5599 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5600
|
|
|
5601 if (map_to_exists(name, mode))
|
|
|
5602 retvar->var_val.var_number = TRUE;
|
|
|
5603 else
|
|
|
5604 retvar->var_val.var_number = FALSE;
|
|
|
5605 }
|
|
|
5606
|
|
|
5607 /*
|
|
|
5608 * "histadd()" function
|
|
|
5609 */
|
|
|
5610 /*ARGSUSED*/
|
|
|
5611 static void
|
|
|
5612 f_histadd(argvars, retvar)
|
|
|
5613 VAR argvars;
|
|
|
5614 VAR retvar;
|
|
|
5615 {
|
|
|
5616 #ifdef FEAT_CMDHIST
|
|
|
5617 int histype;
|
|
|
5618 char_u *str;
|
|
|
5619 char_u buf[NUMBUFLEN];
|
|
|
5620 #endif
|
|
|
5621
|
|
|
5622 retvar->var_val.var_number = FALSE;
|
|
|
5623 if (check_restricted() || check_secure())
|
|
|
5624 return;
|
|
|
5625 #ifdef FEAT_CMDHIST
|
|
|
5626 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5627 if (histype >= 0)
|
|
|
5628 {
|
|
|
5629 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5630 if (*str != NUL)
|
|
|
5631 {
|
|
|
5632 add_to_history(histype, str, FALSE, NUL);
|
|
|
5633 retvar->var_val.var_number = TRUE;
|
|
|
5634 return;
|
|
|
5635 }
|
|
|
5636 }
|
|
|
5637 #endif
|
|
|
5638 }
|
|
|
5639
|
|
|
5640 /*
|
|
|
5641 * "histdel()" function
|
|
|
5642 */
|
|
|
5643 /*ARGSUSED*/
|
|
|
5644 static void
|
|
|
5645 f_histdel(argvars, retvar)
|
|
|
5646 VAR argvars;
|
|
|
5647 VAR retvar;
|
|
|
5648 {
|
|
|
5649 #ifdef FEAT_CMDHIST
|
|
|
5650 int n;
|
|
|
5651 char_u buf[NUMBUFLEN];
|
|
|
5652
|
|
|
5653 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5654 /* only one argument: clear entire history */
|
|
|
5655 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5656 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5657 /* index given: remove that entry */
|
|
|
5658 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5659 (int)get_var_number(&argvars[1]));
|
|
|
5660 else
|
|
|
5661 /* string given: remove all matching entries */
|
|
|
5662 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5663 get_var_string_buf(&argvars[1], buf));
|
|
|
5664 retvar->var_val.var_number = n;
|
|
|
5665 #else
|
|
|
5666 retvar->var_val.var_number = 0;
|
|
|
5667 #endif
|
|
|
5668 }
|
|
|
5669
|
|
|
5670 /*
|
|
|
5671 * "histget()" function
|
|
|
5672 */
|
|
|
5673 /*ARGSUSED*/
|
|
|
5674 static void
|
|
|
5675 f_histget(argvars, retvar)
|
|
|
5676 VAR argvars;
|
|
|
5677 VAR retvar;
|
|
|
5678 {
|
|
|
5679 #ifdef FEAT_CMDHIST
|
|
|
5680 int type;
|
|
|
5681 int idx;
|
|
|
5682
|
|
|
5683 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5684 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5685 idx = get_history_idx(type);
|
|
|
5686 else
|
|
|
5687 idx = (int)get_var_number(&argvars[1]);
|
|
|
5688 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5689 #else
|
|
|
5690 retvar->var_val.var_string = NULL;
|
|
|
5691 #endif
|
|
|
5692 retvar->var_type = VAR_STRING;
|
|
|
5693 }
|
|
|
5694
|
|
|
5695 /*
|
|
|
5696 * "histnr()" function
|
|
|
5697 */
|
|
|
5698 /*ARGSUSED*/
|
|
|
5699 static void
|
|
|
5700 f_histnr(argvars, retvar)
|
|
|
5701 VAR argvars;
|
|
|
5702 VAR retvar;
|
|
|
5703 {
|
|
|
5704 int i;
|
|
|
5705
|
|
|
5706 #ifdef FEAT_CMDHIST
|
|
|
5707 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5708 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5709 i = get_history_idx(i);
|
|
|
5710 else
|
|
|
5711 #endif
|
|
|
5712 i = -1;
|
|
|
5713 retvar->var_val.var_number = i;
|
|
|
5714 }
|
|
|
5715
|
|
|
5716 /*
|
|
|
5717 * "highlight_exists()" function
|
|
|
5718 */
|
|
|
5719 static void
|
|
|
5720 f_hlexists(argvars, retvar)
|
|
|
5721 VAR argvars;
|
|
|
5722 VAR retvar;
|
|
|
5723 {
|
|
|
5724 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5725 }
|
|
|
5726
|
|
|
5727 /*
|
|
|
5728 * "highlightID(name)" function
|
|
|
5729 */
|
|
|
5730 static void
|
|
|
5731 f_hlID(argvars, retvar)
|
|
|
5732 VAR argvars;
|
|
|
5733 VAR retvar;
|
|
|
5734 {
|
|
|
5735 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5736 }
|
|
|
5737
|
|
|
5738 /*
|
|
|
5739 * "hostname()" function
|
|
|
5740 */
|
|
|
5741 /*ARGSUSED*/
|
|
|
5742 static void
|
|
|
5743 f_hostname(argvars, retvar)
|
|
|
5744 VAR argvars;
|
|
|
5745 VAR retvar;
|
|
|
5746 {
|
|
|
5747 char_u hostname[256];
|
|
|
5748
|
|
|
5749 mch_get_host_name(hostname, 256);
|
|
|
5750 retvar->var_type = VAR_STRING;
|
|
|
5751 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5752 }
|
|
|
5753
|
|
|
5754 /*
|
|
|
5755 * iconv() function
|
|
|
5756 */
|
|
|
5757 /*ARGSUSED*/
|
|
|
5758 static void
|
|
|
5759 f_iconv(argvars, retvar)
|
|
|
5760 VAR argvars;
|
|
|
5761 VAR retvar;
|
|
|
5762 {
|
|
|
5763 #ifdef FEAT_MBYTE
|
|
|
5764 char_u buf1[NUMBUFLEN];
|
|
|
5765 char_u buf2[NUMBUFLEN];
|
|
|
5766 char_u *from, *to, *str;
|
|
|
5767 vimconv_T vimconv;
|
|
|
5768 #endif
|
|
|
5769
|
|
|
5770 retvar->var_type = VAR_STRING;
|
|
|
5771 retvar->var_val.var_string = NULL;
|
|
|
5772
|
|
|
5773 #ifdef FEAT_MBYTE
|
|
|
5774 str = get_var_string(&argvars[0]);
|
|
|
5775 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5776 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5777 vimconv.vc_type = CONV_NONE;
|
|
|
5778 convert_setup(&vimconv, from, to);
|
|
|
5779
|
|
|
5780 /* If the encodings are equal, no conversion needed. */
|
|
|
5781 if (vimconv.vc_type == CONV_NONE)
|
|
|
5782 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5783 else
|
|
|
5784 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5785
|
|
|
5786 convert_setup(&vimconv, NULL, NULL);
|
|
|
5787 vim_free(from);
|
|
|
5788 vim_free(to);
|
|
|
5789 #endif
|
|
|
5790 }
|
|
|
5791
|
|
|
5792 /*
|
|
|
5793 * "indent()" function
|
|
|
5794 */
|
|
|
5795 static void
|
|
|
5796 f_indent(argvars, retvar)
|
|
|
5797 VAR argvars;
|
|
|
5798 VAR retvar;
|
|
|
5799 {
|
|
|
5800 linenr_T lnum;
|
|
|
5801
|
|
|
5802 lnum = get_var_lnum(argvars);
|
|
|
5803 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5804 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5805 else
|
|
|
5806 retvar->var_val.var_number = -1;
|
|
|
5807 }
|
|
|
5808
|
|
|
5809 static int inputsecret_flag = 0;
|
|
|
5810
|
|
|
5811 /*
|
|
|
5812 * "input()" function
|
|
|
5813 * Also handles inputsecret() when inputsecret is set.
|
|
|
5814 */
|
|
|
5815 static void
|
|
|
5816 f_input(argvars, retvar)
|
|
|
5817 VAR argvars;
|
|
|
5818 VAR retvar;
|
|
|
5819 {
|
|
|
5820 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5821 char_u *p = NULL;
|
|
|
5822 int c;
|
|
|
5823 char_u buf[NUMBUFLEN];
|
|
|
5824 int cmd_silent_save = cmd_silent;
|
|
|
5825
|
|
|
5826 retvar->var_type = VAR_STRING;
|
|
|
5827
|
|
|
5828 #ifdef NO_CONSOLE_INPUT
|
|
|
5829 /* While starting up, there is no place to enter text. */
|
|
|
5830 if (no_console_input())
|
|
|
5831 {
|
|
|
5832 retvar->var_val.var_string = NULL;
|
|
|
5833 return;
|
|
|
5834 }
|
|
|
5835 #endif
|
|
|
5836
|
|
|
5837 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5838 if (prompt != NULL)
|
|
|
5839 {
|
|
|
5840 /* Only the part of the message after the last NL is considered as
|
|
|
5841 * prompt for the command line */
|
|
|
5842 p = vim_strrchr(prompt, '\n');
|
|
|
5843 if (p == NULL)
|
|
|
5844 p = prompt;
|
|
|
5845 else
|
|
|
5846 {
|
|
|
5847 ++p;
|
|
|
5848 c = *p;
|
|
|
5849 *p = NUL;
|
|
|
5850 msg_start();
|
|
|
5851 msg_clr_eos();
|
|
|
5852 msg_puts_attr(prompt, echo_attr);
|
|
|
5853 msg_didout = FALSE;
|
|
|
5854 msg_starthere();
|
|
|
5855 *p = c;
|
|
|
5856 }
|
|
|
5857 cmdline_row = msg_row;
|
|
|
5858 }
|
|
|
5859
|
|
|
5860 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5861 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5862
|
|
|
5863 retvar->var_val.var_string =
|
|
|
5864 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5865
|
|
|
5866 /* since the user typed this, no need to wait for return */
|
|
|
5867 need_wait_return = FALSE;
|
|
|
5868 msg_didout = FALSE;
|
|
|
5869 cmd_silent = cmd_silent_save;
|
|
|
5870 }
|
|
|
5871
|
|
|
5872 /*
|
|
|
5873 * "inputdialog()" function
|
|
|
5874 */
|
|
|
5875 static void
|
|
|
5876 f_inputdialog(argvars, retvar)
|
|
|
5877 VAR argvars;
|
|
|
5878 VAR retvar;
|
|
|
5879 {
|
|
|
5880 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5881 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5882 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5883 {
|
|
|
5884 char_u *message;
|
|
|
5885 char_u buf[NUMBUFLEN];
|
|
|
5886
|
|
|
5887 message = get_var_string(&argvars[0]);
|
|
|
5888 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5889 {
|
|
|
5890 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5891 IObuff[IOSIZE - 1] = NUL;
|
|
|
5892 }
|
|
|
5893 else
|
|
|
5894 IObuff[0] = NUL;
|
|
|
5895 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5896 1, IObuff) == 1)
|
|
|
5897 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5898 else
|
|
|
5899 {
|
|
|
5900 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5901 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5902 retvar->var_val.var_string = vim_strsave(
|
|
|
5903 get_var_string_buf(&argvars[2], buf));
|
|
|
5904 else
|
|
|
5905 retvar->var_val.var_string = NULL;
|
|
|
5906 }
|
|
|
5907 retvar->var_type = VAR_STRING;
|
|
|
5908 }
|
|
|
5909 else
|
|
|
5910 #endif
|
|
|
5911 f_input(argvars, retvar);
|
|
|
5912 }
|
|
|
5913
|
|
|
5914 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5915
|
|
|
5916 /*
|
|
|
5917 * "inputrestore()" function
|
|
|
5918 */
|
|
|
5919 /*ARGSUSED*/
|
|
|
5920 static void
|
|
|
5921 f_inputrestore(argvars, retvar)
|
|
|
5922 VAR argvars;
|
|
|
5923 VAR retvar;
|
|
|
5924 {
|
|
|
5925 if (ga_userinput.ga_len > 0)
|
|
|
5926 {
|
|
|
5927 --ga_userinput.ga_len;
|
|
|
5928 ++ga_userinput.ga_room;
|
|
|
5929 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5930 + ga_userinput.ga_len);
|
|
|
5931 retvar->var_val.var_number = 0; /* OK */
|
|
|
5932 }
|
|
|
5933 else if (p_verbose > 1)
|
|
|
5934 {
|
|
|
5935 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5936 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5937 }
|
|
|
5938 }
|
|
|
5939
|
|
|
5940 /*
|
|
|
5941 * "inputsave()" function
|
|
|
5942 */
|
|
|
5943 /*ARGSUSED*/
|
|
|
5944 static void
|
|
|
5945 f_inputsave(argvars, retvar)
|
|
|
5946 VAR argvars;
|
|
|
5947 VAR retvar;
|
|
|
5948 {
|
|
|
5949 /* Add an entry to the stack of typehead storage. */
|
|
|
5950 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5951 {
|
|
|
5952 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5953 + ga_userinput.ga_len);
|
|
|
5954 ++ga_userinput.ga_len;
|
|
|
5955 --ga_userinput.ga_room;
|
|
|
5956 retvar->var_val.var_number = 0; /* OK */
|
|
|
5957 }
|
|
|
5958 else
|
|
|
5959 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5960 }
|
|
|
5961
|
|
|
5962 /*
|
|
|
5963 * "inputsecret()" function
|
|
|
5964 */
|
|
|
5965 static void
|
|
|
5966 f_inputsecret(argvars, retvar)
|
|
|
5967 VAR argvars;
|
|
|
5968 VAR retvar;
|
|
|
5969 {
|
|
|
5970 ++cmdline_star;
|
|
|
5971 ++inputsecret_flag;
|
|
|
5972 f_input(argvars, retvar);
|
|
|
5973 --cmdline_star;
|
|
|
5974 --inputsecret_flag;
|
|
|
5975 }
|
|
|
5976
|
|
|
5977 /*
|
|
|
5978 * "isdirectory()" function
|
|
|
5979 */
|
|
|
5980 static void
|
|
|
5981 f_isdirectory(argvars, retvar)
|
|
|
5982 VAR argvars;
|
|
|
5983 VAR retvar;
|
|
|
5984 {
|
|
|
5985 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5986 }
|
|
|
5987
|
|
|
5988 /*
|
|
|
5989 * "last_buffer_nr()" function.
|
|
|
5990 */
|
|
|
5991 /*ARGSUSED*/
|
|
|
5992 static void
|
|
|
5993 f_last_buffer_nr(argvars, retvar)
|
|
|
5994 VAR argvars;
|
|
|
5995 VAR retvar;
|
|
|
5996 {
|
|
|
5997 int n = 0;
|
|
|
5998 buf_T *buf;
|
|
|
5999
|
|
|
6000 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
6001 if (n < buf->b_fnum)
|
|
|
6002 n = buf->b_fnum;
|
|
|
6003
|
|
|
6004 retvar->var_val.var_number = n;
|
|
|
6005 }
|
|
|
6006
|
|
|
6007 /*
|
|
|
6008 * "line(string)" function
|
|
|
6009 */
|
|
|
6010 static void
|
|
|
6011 f_line(argvars, retvar)
|
|
|
6012 VAR argvars;
|
|
|
6013 VAR retvar;
|
|
|
6014 {
|
|
|
6015 linenr_T lnum = 0;
|
|
|
6016 pos_T *fp;
|
|
|
6017
|
|
|
6018 fp = var2fpos(&argvars[0], TRUE);
|
|
|
6019 if (fp != NULL)
|
|
|
6020 lnum = fp->lnum;
|
|
|
6021 retvar->var_val.var_number = lnum;
|
|
|
6022 }
|
|
|
6023
|
|
|
6024 /*
|
|
|
6025 * "line2byte(lnum)" function
|
|
|
6026 */
|
|
|
6027 /*ARGSUSED*/
|
|
|
6028 static void
|
|
|
6029 f_line2byte(argvars, retvar)
|
|
|
6030 VAR argvars;
|
|
|
6031 VAR retvar;
|
|
|
6032 {
|
|
|
6033 #ifndef FEAT_BYTEOFF
|
|
|
6034 retvar->var_val.var_number = -1;
|
|
|
6035 #else
|
|
|
6036 linenr_T lnum;
|
|
|
6037
|
|
|
6038 lnum = get_var_lnum(argvars);
|
|
|
6039 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
6040 retvar->var_val.var_number = -1;
|
|
|
6041 else
|
|
|
6042 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
6043 if (retvar->var_val.var_number >= 0)
|
|
|
6044 ++retvar->var_val.var_number;
|
|
|
6045 #endif
|
|
|
6046 }
|
|
|
6047
|
|
|
6048 /*
|
|
|
6049 * "lispindent(lnum)" function
|
|
|
6050 */
|
|
|
6051 static void
|
|
|
6052 f_lispindent(argvars, retvar)
|
|
|
6053 VAR argvars;
|
|
|
6054 VAR retvar;
|
|
|
6055 {
|
|
|
6056 #ifdef FEAT_LISP
|
|
|
6057 pos_T pos;
|
|
|
6058 linenr_T lnum;
|
|
|
6059
|
|
|
6060 pos = curwin->w_cursor;
|
|
|
6061 lnum = get_var_lnum(argvars);
|
|
|
6062 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
6063 {
|
|
|
6064 curwin->w_cursor.lnum = lnum;
|
|
|
6065 retvar->var_val.var_number = get_lisp_indent();
|
|
|
6066 curwin->w_cursor = pos;
|
|
|
6067 }
|
|
|
6068 else
|
|
|
6069 #endif
|
|
|
6070 retvar->var_val.var_number = -1;
|
|
|
6071 }
|
|
|
6072
|
|
|
6073 /*
|
|
|
6074 * "localtime()" function
|
|
|
6075 */
|
|
|
6076 /*ARGSUSED*/
|
|
|
6077 static void
|
|
|
6078 f_localtime(argvars, retvar)
|
|
|
6079 VAR argvars;
|
|
|
6080 VAR retvar;
|
|
|
6081 {
|
|
|
6082 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
6083 }
|
|
|
6084
|
|
|
6085 /*
|
|
|
6086 * "maparg()" function
|
|
|
6087 */
|
|
|
6088 static void
|
|
|
6089 f_maparg(argvars, retvar)
|
|
|
6090 VAR argvars;
|
|
|
6091 VAR retvar;
|
|
|
6092 {
|
|
|
6093 get_maparg(argvars, retvar, TRUE);
|
|
|
6094 }
|
|
|
6095
|
|
|
6096 /*
|
|
|
6097 * "mapcheck()" function
|
|
|
6098 */
|
|
|
6099 static void
|
|
|
6100 f_mapcheck(argvars, retvar)
|
|
|
6101 VAR argvars;
|
|
|
6102 VAR retvar;
|
|
|
6103 {
|
|
|
6104 get_maparg(argvars, retvar, FALSE);
|
|
|
6105 }
|
|
|
6106
|
|
|
6107 static void
|
|
|
6108 get_maparg(argvars, retvar, exact)
|
|
|
6109 VAR argvars;
|
|
|
6110 VAR retvar;
|
|
|
6111 int exact;
|
|
|
6112 {
|
|
|
6113 char_u *keys;
|
|
|
6114 char_u *which;
|
|
|
6115 char_u buf[NUMBUFLEN];
|
|
|
6116 char_u *keys_buf = NULL;
|
|
|
6117 char_u *rhs;
|
|
|
6118 int mode;
|
|
|
6119 garray_T ga;
|
|
|
6120
|
|
|
6121 /* return empty string for failure */
|
|
|
6122 retvar->var_type = VAR_STRING;
|
|
|
6123 retvar->var_val.var_string = NULL;
|
|
|
6124
|
|
|
6125 keys = get_var_string(&argvars[0]);
|
|
|
6126 if (*keys == NUL)
|
|
|
6127 return;
|
|
|
6128
|
|
|
6129 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
6130 which = get_var_string_buf(&argvars[1], buf);
|
|
|
6131 else
|
|
|
6132 which = (char_u *)"";
|
|
|
6133 mode = get_map_mode(&which, 0);
|
|
|
6134
|
|
|
6135 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
6136 rhs = check_map(keys, mode, exact);
|
|
|
6137 vim_free(keys_buf);
|
|
|
6138 if (rhs != NULL)
|
|
|
6139 {
|
|
|
6140 ga_init(&ga);
|
|
|
6141 ga.ga_itemsize = 1;
|
|
|
6142 ga.ga_growsize = 40;
|
|
|
6143
|
|
|
6144 while (*rhs != NUL)
|
|
|
6145 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
6146
|
|
|
6147 ga_append(&ga, NUL);
|
|
|
6148 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
6149 }
|
|
|
6150 }
|
|
|
6151
|
|
|
6152 /*
|
|
|
6153 * "match()" function
|
|
|
6154 */
|
|
|
6155 static void
|
|
|
6156 f_match(argvars, retvar)
|
|
|
6157 VAR argvars;
|
|
|
6158 VAR retvar;
|
|
|
6159 {
|
|
|
6160 find_some_match(argvars, retvar, 1);
|
|
|
6161 }
|
|
|
6162
|
|
|
6163 /*
|
|
|
6164 * "matchend()" function
|
|
|
6165 */
|
|
|
6166 static void
|
|
|
6167 f_matchend(argvars, retvar)
|
|
|
6168 VAR argvars;
|
|
|
6169 VAR retvar;
|
|
|
6170 {
|
|
|
6171 find_some_match(argvars, retvar, 0);
|
|
|
6172 }
|
|
|
6173
|
|
|
6174 /*
|
|
|
6175 * "matchstr()" function
|
|
|
6176 */
|
|
|
6177 static void
|
|
|
6178 f_matchstr(argvars, retvar)
|
|
|
6179 VAR argvars;
|
|
|
6180 VAR retvar;
|
|
|
6181 {
|
|
|
6182 find_some_match(argvars, retvar, 2);
|
|
|
6183 }
|
|
|
6184
|
|
|
6185 static void
|
|
|
6186 find_some_match(argvars, retvar, type)
|
|
|
6187 VAR argvars;
|
|
|
6188 VAR retvar;
|
|
|
6189 int type;
|
|
|
6190 {
|
|
|
6191 char_u *str;
|
|
19
|
6192 char_u *expr;
|
|
7
|
6193 char_u *pat;
|
|
|
6194 regmatch_T regmatch;
|
|
|
6195 char_u patbuf[NUMBUFLEN];
|
|
|
6196 char_u *save_cpo;
|
|
|
6197 long start = 0;
|
|
19
|
6198 long nth = 1;
|
|
|
6199 int match;
|
|
7
|
6200
|
|
|
6201 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6202 save_cpo = p_cpo;
|
|
|
6203 p_cpo = (char_u *)"";
|
|
|
6204
|
|
19
|
6205 expr = str = get_var_string(&argvars[0]);
|
|
7
|
6206 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
6207
|
|
|
6208 if (type == 2)
|
|
|
6209 {
|
|
|
6210 retvar->var_type = VAR_STRING;
|
|
|
6211 retvar->var_val.var_string = NULL;
|
|
|
6212 }
|
|
|
6213 else
|
|
|
6214 retvar->var_val.var_number = -1;
|
|
|
6215
|
|
|
6216 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6217 {
|
|
|
6218 start = get_var_number(&argvars[2]);
|
|
|
6219 if (start < 0)
|
|
|
6220 start = 0;
|
|
|
6221 if (start > (long)STRLEN(str))
|
|
|
6222 goto theend;
|
|
|
6223 str += start;
|
|
19
|
6224
|
|
|
6225 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
6226 nth = get_var_number(&argvars[3]);
|
|
7
|
6227 }
|
|
|
6228
|
|
|
6229 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
6230 if (regmatch.regprog != NULL)
|
|
|
6231 {
|
|
|
6232 regmatch.rm_ic = p_ic;
|
|
19
|
6233
|
|
|
6234 while (1)
|
|
|
6235 {
|
|
|
6236 match = vim_regexec_nl(®match, str, (colnr_T)0);
|
|
|
6237 if (!match || --nth <= 0)
|
|
|
6238 break;
|
|
|
6239 /* Advance to just after the match. */
|
|
|
6240 #ifdef FEAT_MBYTE
|
|
|
6241 str = regmatch.startp[0] + mb_ptr2len_check(regmatch.startp[0]);
|
|
|
6242 #else
|
|
|
6243 str = regmatch.startp[0] + 1;
|
|
|
6244 #endif
|
|
|
6245 }
|
|
|
6246
|
|
|
6247 if (match)
|
|
7
|
6248 {
|
|
|
6249 if (type == 2)
|
|
|
6250 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
6251 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
6252 else
|
|
|
6253 {
|
|
|
6254 if (type != 0)
|
|
|
6255 retvar->var_val.var_number =
|
|
|
6256 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
6257 else
|
|
|
6258 retvar->var_val.var_number =
|
|
|
6259 (varnumber_T)(regmatch.endp[0] - str);
|
|
19
|
6260 retvar->var_val.var_number += str - expr;
|
|
7
|
6261 }
|
|
|
6262 }
|
|
|
6263 vim_free(regmatch.regprog);
|
|
|
6264 }
|
|
|
6265
|
|
|
6266 theend:
|
|
|
6267 p_cpo = save_cpo;
|
|
|
6268 }
|
|
|
6269
|
|
|
6270 /*
|
|
|
6271 * "mode()" function
|
|
|
6272 */
|
|
|
6273 /*ARGSUSED*/
|
|
|
6274 static void
|
|
|
6275 f_mode(argvars, retvar)
|
|
|
6276 VAR argvars;
|
|
|
6277 VAR retvar;
|
|
|
6278 {
|
|
|
6279 char_u buf[2];
|
|
|
6280
|
|
|
6281 #ifdef FEAT_VISUAL
|
|
|
6282 if (VIsual_active)
|
|
|
6283 {
|
|
|
6284 if (VIsual_select)
|
|
|
6285 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
6286 else
|
|
|
6287 buf[0] = VIsual_mode;
|
|
|
6288 }
|
|
|
6289 else
|
|
|
6290 #endif
|
|
|
6291 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
6292 buf[0] = 'r';
|
|
|
6293 else if (State & INSERT)
|
|
|
6294 {
|
|
|
6295 if (State & REPLACE_FLAG)
|
|
|
6296 buf[0] = 'R';
|
|
|
6297 else
|
|
|
6298 buf[0] = 'i';
|
|
|
6299 }
|
|
|
6300 else if (State & CMDLINE)
|
|
|
6301 buf[0] = 'c';
|
|
|
6302 else
|
|
|
6303 buf[0] = 'n';
|
|
|
6304
|
|
|
6305 buf[1] = NUL;
|
|
|
6306 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
6307 retvar->var_type = VAR_STRING;
|
|
|
6308 }
|
|
|
6309
|
|
|
6310 /*
|
|
|
6311 * "nr2char()" function
|
|
|
6312 */
|
|
|
6313 static void
|
|
|
6314 f_nr2char(argvars, retvar)
|
|
|
6315 VAR argvars;
|
|
|
6316 VAR retvar;
|
|
|
6317 {
|
|
|
6318 char_u buf[NUMBUFLEN];
|
|
|
6319
|
|
|
6320 #ifdef FEAT_MBYTE
|
|
|
6321 if (has_mbyte)
|
|
|
6322 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
6323 else
|
|
|
6324 #endif
|
|
|
6325 {
|
|
|
6326 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
6327 buf[1] = NUL;
|
|
|
6328 }
|
|
|
6329 retvar->var_type = VAR_STRING;
|
|
|
6330 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
6331 }
|
|
|
6332
|
|
|
6333 /*
|
|
|
6334 * "rename({from}, {to})" function
|
|
|
6335 */
|
|
|
6336 static void
|
|
|
6337 f_rename(argvars, retvar)
|
|
|
6338 VAR argvars;
|
|
|
6339 VAR retvar;
|
|
|
6340 {
|
|
|
6341 char_u buf[NUMBUFLEN];
|
|
|
6342
|
|
|
6343 if (check_restricted() || check_secure())
|
|
|
6344 retvar->var_val.var_number = -1;
|
|
|
6345 else
|
|
|
6346 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
6347 get_var_string_buf(&argvars[1], buf));
|
|
|
6348 }
|
|
|
6349
|
|
|
6350 /*
|
|
|
6351 * "resolve()" function
|
|
|
6352 */
|
|
|
6353 static void
|
|
|
6354 f_resolve(argvars, retvar)
|
|
|
6355 VAR argvars;
|
|
|
6356 VAR retvar;
|
|
|
6357 {
|
|
|
6358 char_u *p;
|
|
|
6359
|
|
|
6360 p = get_var_string(&argvars[0]);
|
|
|
6361 #ifdef FEAT_SHORTCUT
|
|
|
6362 {
|
|
|
6363 char_u *v = NULL;
|
|
|
6364
|
|
|
6365 v = mch_resolve_shortcut(p);
|
|
|
6366 if (v != NULL)
|
|
|
6367 retvar->var_val.var_string = v;
|
|
|
6368 else
|
|
|
6369 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6370 }
|
|
|
6371 #else
|
|
|
6372 # ifdef HAVE_READLINK
|
|
|
6373 {
|
|
|
6374 char_u buf[MAXPATHL + 1];
|
|
|
6375 char_u *cpy;
|
|
|
6376 int len;
|
|
|
6377 char_u *remain = NULL;
|
|
|
6378 char_u *q;
|
|
|
6379 int is_relative_to_current = FALSE;
|
|
|
6380 int has_trailing_pathsep = FALSE;
|
|
|
6381 int limit = 100;
|
|
|
6382
|
|
|
6383 p = vim_strsave(p);
|
|
|
6384
|
|
|
6385 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
6386 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
6387 is_relative_to_current = TRUE;
|
|
|
6388
|
|
|
6389 len = STRLEN(p);
|
|
|
6390 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
6391 has_trailing_pathsep = TRUE;
|
|
|
6392
|
|
|
6393 q = getnextcomp(p);
|
|
|
6394 if (*q != NUL)
|
|
|
6395 {
|
|
|
6396 /* Separate the first path component in "p", and keep the
|
|
|
6397 * remainder (beginning with the path separator). */
|
|
|
6398 remain = vim_strsave(q - 1);
|
|
|
6399 q[-1] = NUL;
|
|
|
6400 }
|
|
|
6401
|
|
|
6402 for (;;)
|
|
|
6403 {
|
|
|
6404 for (;;)
|
|
|
6405 {
|
|
|
6406 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
6407 if (len <= 0)
|
|
|
6408 break;
|
|
|
6409 buf[len] = NUL;
|
|
|
6410
|
|
|
6411 if (limit-- == 0)
|
|
|
6412 {
|
|
|
6413 vim_free(p);
|
|
|
6414 vim_free(remain);
|
|
|
6415 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
6416 retvar->var_val.var_string = NULL;
|
|
|
6417 goto fail;
|
|
|
6418 }
|
|
|
6419
|
|
|
6420 /* Ensure that the result will have a trailing path separator
|
|
|
6421 * if the argument has one. */
|
|
|
6422 if (remain == NULL && has_trailing_pathsep)
|
|
|
6423 add_pathsep(buf);
|
|
|
6424
|
|
|
6425 /* Separate the first path component in the link value and
|
|
|
6426 * concatenate the remainders. */
|
|
|
6427 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
6428 if (*q != NUL)
|
|
|
6429 {
|
|
|
6430 if (remain == NULL)
|
|
|
6431 remain = vim_strsave(q - 1);
|
|
|
6432 else
|
|
|
6433 {
|
|
|
6434 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
6435 if (cpy != NULL)
|
|
|
6436 {
|
|
|
6437 STRCAT(cpy, remain);
|
|
|
6438 vim_free(remain);
|
|
|
6439 remain = cpy;
|
|
|
6440 }
|
|
|
6441 }
|
|
|
6442 q[-1] = NUL;
|
|
|
6443 }
|
|
|
6444
|
|
|
6445 q = gettail(p);
|
|
|
6446 if (q > p && *q == NUL)
|
|
|
6447 {
|
|
|
6448 /* Ignore trailing path separator. */
|
|
|
6449 q[-1] = NUL;
|
|
|
6450 q = gettail(p);
|
|
|
6451 }
|
|
|
6452 if (q > p && !mch_isFullName(buf))
|
|
|
6453 {
|
|
|
6454 /* symlink is relative to directory of argument */
|
|
|
6455 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6456 if (cpy != NULL)
|
|
|
6457 {
|
|
|
6458 STRCPY(cpy, p);
|
|
|
6459 STRCPY(gettail(cpy), buf);
|
|
|
6460 vim_free(p);
|
|
|
6461 p = cpy;
|
|
|
6462 }
|
|
|
6463 }
|
|
|
6464 else
|
|
|
6465 {
|
|
|
6466 vim_free(p);
|
|
|
6467 p = vim_strsave(buf);
|
|
|
6468 }
|
|
|
6469 }
|
|
|
6470
|
|
|
6471 if (remain == NULL)
|
|
|
6472 break;
|
|
|
6473
|
|
|
6474 /* Append the first path component of "remain" to "p". */
|
|
|
6475 q = getnextcomp(remain + 1);
|
|
|
6476 len = q - remain - (*q != NUL);
|
|
|
6477 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6478 if (cpy != NULL)
|
|
|
6479 {
|
|
|
6480 STRNCAT(cpy, remain, len);
|
|
|
6481 vim_free(p);
|
|
|
6482 p = cpy;
|
|
|
6483 }
|
|
|
6484 /* Shorten "remain". */
|
|
|
6485 if (*q != NUL)
|
|
|
6486 STRCPY(remain, q - 1);
|
|
|
6487 else
|
|
|
6488 {
|
|
|
6489 vim_free(remain);
|
|
|
6490 remain = NULL;
|
|
|
6491 }
|
|
|
6492 }
|
|
|
6493
|
|
|
6494 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6495 * the current directory if and only if the argument had this form. */
|
|
|
6496 if (!vim_ispathsep(*p))
|
|
|
6497 {
|
|
|
6498 if (is_relative_to_current
|
|
|
6499 && *p != NUL
|
|
|
6500 && !(p[0] == '.'
|
|
|
6501 && (p[1] == NUL
|
|
|
6502 || vim_ispathsep(p[1])
|
|
|
6503 || (p[1] == '.'
|
|
|
6504 && (p[2] == NUL
|
|
|
6505 || vim_ispathsep(p[2]))))))
|
|
|
6506 {
|
|
|
6507 /* Prepend "./". */
|
|
|
6508 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6509 if (cpy != NULL)
|
|
|
6510 {
|
|
|
6511 STRCAT(cpy, p);
|
|
|
6512 vim_free(p);
|
|
|
6513 p = cpy;
|
|
|
6514 }
|
|
|
6515 }
|
|
|
6516 else if (!is_relative_to_current)
|
|
|
6517 {
|
|
|
6518 /* Strip leading "./". */
|
|
|
6519 q = p;
|
|
|
6520 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6521 q += 2;
|
|
|
6522 if (q > p)
|
|
|
6523 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6524 }
|
|
|
6525 }
|
|
|
6526
|
|
|
6527 /* Ensure that the result will have no trailing path separator
|
|
|
6528 * if the argument had none. But keep "/" or "//". */
|
|
|
6529 if (!has_trailing_pathsep)
|
|
|
6530 {
|
|
|
6531 q = p + STRLEN(p);
|
|
|
6532 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6533 && vim_ispathsep(q[-1]))
|
|
|
6534 --q;
|
|
|
6535 *q = NUL;
|
|
|
6536 }
|
|
|
6537
|
|
|
6538 retvar->var_val.var_string = p;
|
|
|
6539 }
|
|
|
6540 # else
|
|
|
6541 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6542 # endif
|
|
|
6543 #endif
|
|
|
6544
|
|
|
6545 simplify_filename(retvar->var_val.var_string);
|
|
|
6546
|
|
|
6547 #ifdef HAVE_READLINK
|
|
|
6548 fail:
|
|
|
6549 #endif
|
|
|
6550 retvar->var_type = VAR_STRING;
|
|
|
6551 }
|
|
|
6552
|
|
|
6553 /*
|
|
|
6554 * "simplify()" function
|
|
|
6555 */
|
|
|
6556 static void
|
|
|
6557 f_simplify(argvars, retvar)
|
|
|
6558 VAR argvars;
|
|
|
6559 VAR retvar;
|
|
|
6560 {
|
|
|
6561 char_u *p;
|
|
|
6562
|
|
|
6563 p = get_var_string(&argvars[0]);
|
|
|
6564 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6565 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6566 retvar->var_type = VAR_STRING;
|
|
|
6567 }
|
|
|
6568
|
|
20
|
6569 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6570 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6571 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6572
|
|
7
|
6573 /*
|
|
|
6574 * "search()" function
|
|
|
6575 */
|
|
|
6576 static void
|
|
|
6577 f_search(argvars, retvar)
|
|
|
6578 VAR argvars;
|
|
|
6579 VAR retvar;
|
|
|
6580 {
|
|
|
6581 char_u *pat;
|
|
|
6582 pos_T pos;
|
|
20
|
6583 pos_T save_cursor;
|
|
7
|
6584 int save_p_ws = p_ws;
|
|
|
6585 int dir;
|
|
20
|
6586 int flags = 0;
|
|
|
6587
|
|
|
6588 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
7
|
6589
|
|
|
6590 pat = get_var_string(&argvars[0]);
|
|
20
|
6591 dir = get_search_arg(&argvars[1], &flags); /* may set p_ws */
|
|
|
6592 if (dir == 0)
|
|
|
6593 goto theend;
|
|
|
6594 if ((flags & ~SP_NOMOVE) != 0)
|
|
|
6595 {
|
|
|
6596 EMSG2(_(e_invarg2), get_var_string(&argvars[1]));
|
|
|
6597 goto theend;
|
|
|
6598 }
|
|
|
6599
|
|
|
6600 pos = save_cursor = curwin->w_cursor;
|
|
7
|
6601 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6602 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6603 {
|
|
|
6604 retvar->var_val.var_number = pos.lnum;
|
|
|
6605 curwin->w_cursor = pos;
|
|
|
6606 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6607 * correct that here */
|
|
|
6608 check_cursor();
|
|
|
6609 }
|
|
20
|
6610
|
|
|
6611 /* If 'n' flag is used: restore cursor position. */
|
|
|
6612 if (flags & SP_NOMOVE)
|
|
|
6613 curwin->w_cursor = save_cursor;
|
|
|
6614 theend:
|
|
7
|
6615 p_ws = save_p_ws;
|
|
|
6616 }
|
|
|
6617
|
|
|
6618 /*
|
|
|
6619 * "searchpair()" function
|
|
|
6620 */
|
|
|
6621 static void
|
|
|
6622 f_searchpair(argvars, retvar)
|
|
|
6623 VAR argvars;
|
|
|
6624 VAR retvar;
|
|
|
6625 {
|
|
|
6626 char_u *spat, *mpat, *epat;
|
|
|
6627 char_u *skip;
|
|
|
6628 char_u *pat, *pat2, *pat3;
|
|
|
6629 pos_T pos;
|
|
|
6630 pos_T firstpos;
|
|
|
6631 pos_T save_cursor;
|
|
|
6632 pos_T save_pos;
|
|
|
6633 int save_p_ws = p_ws;
|
|
|
6634 char_u *save_cpo;
|
|
|
6635 int dir;
|
|
|
6636 int flags = 0;
|
|
|
6637 char_u nbuf1[NUMBUFLEN];
|
|
|
6638 char_u nbuf2[NUMBUFLEN];
|
|
|
6639 char_u nbuf3[NUMBUFLEN];
|
|
|
6640 int n;
|
|
|
6641 int r;
|
|
|
6642 int nest = 1;
|
|
|
6643 int err;
|
|
|
6644
|
|
|
6645 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6646
|
|
|
6647 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6648 save_cpo = p_cpo;
|
|
|
6649 p_cpo = (char_u *)"";
|
|
|
6650
|
|
|
6651 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6652 spat = get_var_string(&argvars[0]);
|
|
|
6653 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6654 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6655
|
|
|
6656 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6657 * start/middle/end (pat3, for the top pair). */
|
|
|
6658 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6659 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6660 if (pat2 == NULL || pat3 == NULL)
|
|
|
6661 goto theend;
|
|
|
6662 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6663 if (*mpat == NUL)
|
|
|
6664 STRCPY(pat3, pat2);
|
|
|
6665 else
|
|
|
6666 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6667 spat, epat, mpat);
|
|
|
6668
|
|
|
6669 /* Handle the optional fourth argument: flags */
|
|
|
6670 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
20
|
6671 if (dir == 0)
|
|
|
6672 goto theend;
|
|
7
|
6673
|
|
|
6674 /* Optional fifth argument: skip expresion */
|
|
|
6675 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6676 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6677 skip = (char_u *)"";
|
|
|
6678 else
|
|
|
6679 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6680
|
|
|
6681 save_cursor = curwin->w_cursor;
|
|
|
6682 pos = curwin->w_cursor;
|
|
|
6683 firstpos.lnum = 0;
|
|
|
6684 pat = pat3;
|
|
|
6685 for (;;)
|
|
|
6686 {
|
|
|
6687 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6688 SEARCH_KEEP, RE_SEARCH);
|
|
|
6689 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6690 /* didn't find it or found the first match again: FAIL */
|
|
|
6691 break;
|
|
|
6692
|
|
|
6693 if (firstpos.lnum == 0)
|
|
|
6694 firstpos = pos;
|
|
|
6695
|
|
|
6696 /* If the skip pattern matches, ignore this match. */
|
|
|
6697 if (*skip != NUL)
|
|
|
6698 {
|
|
|
6699 save_pos = curwin->w_cursor;
|
|
|
6700 curwin->w_cursor = pos;
|
|
|
6701 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6702 curwin->w_cursor = save_pos;
|
|
|
6703 if (err)
|
|
|
6704 {
|
|
|
6705 /* Evaluating {skip} caused an error, break here. */
|
|
|
6706 curwin->w_cursor = save_cursor;
|
|
|
6707 retvar->var_val.var_number = -1;
|
|
|
6708 break;
|
|
|
6709 }
|
|
|
6710 if (r)
|
|
|
6711 continue;
|
|
|
6712 }
|
|
|
6713
|
|
|
6714 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6715 {
|
|
|
6716 /* Found end when searching backwards or start when searching
|
|
|
6717 * forward: nested pair. */
|
|
|
6718 ++nest;
|
|
|
6719 pat = pat2; /* nested, don't search for middle */
|
|
|
6720 }
|
|
|
6721 else
|
|
|
6722 {
|
|
|
6723 /* Found end when searching forward or start when searching
|
|
|
6724 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6725 if (--nest == 1)
|
|
|
6726 pat = pat3; /* outer level, search for middle */
|
|
|
6727 }
|
|
|
6728
|
|
|
6729 if (nest == 0)
|
|
|
6730 {
|
|
|
6731 /* Found the match: return matchcount or line number. */
|
|
|
6732 if (flags & SP_RETCOUNT)
|
|
|
6733 ++retvar->var_val.var_number;
|
|
|
6734 else
|
|
|
6735 retvar->var_val.var_number = pos.lnum;
|
|
|
6736 curwin->w_cursor = pos;
|
|
|
6737 if (!(flags & SP_REPEAT))
|
|
|
6738 break;
|
|
|
6739 nest = 1; /* search for next unmatched */
|
|
|
6740 }
|
|
|
6741 }
|
|
|
6742
|
|
|
6743 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6744 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6745 curwin->w_cursor = save_cursor;
|
|
|
6746
|
|
|
6747 theend:
|
|
|
6748 vim_free(pat2);
|
|
|
6749 vim_free(pat3);
|
|
|
6750 p_ws = save_p_ws;
|
|
|
6751 p_cpo = save_cpo;
|
|
|
6752 }
|
|
|
6753
|
|
20
|
6754 /*
|
|
|
6755 * Get flags for a search function.
|
|
|
6756 * Possibly sets "p_ws".
|
|
|
6757 * Returns BACKWARD, FORWARD or zero (for an error).
|
|
|
6758 */
|
|
7
|
6759 static int
|
|
|
6760 get_search_arg(varp, flagsp)
|
|
|
6761 VAR varp;
|
|
|
6762 int *flagsp;
|
|
|
6763 {
|
|
|
6764 int dir = FORWARD;
|
|
|
6765 char_u *flags;
|
|
|
6766 char_u nbuf[NUMBUFLEN];
|
|
20
|
6767 int mask;
|
|
7
|
6768
|
|
|
6769 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6770 {
|
|
|
6771 flags = get_var_string_buf(varp, nbuf);
|
|
20
|
6772 while (*flags != NUL)
|
|
|
6773 {
|
|
|
6774 switch (*flags)
|
|
|
6775 {
|
|
|
6776 case 'b': dir = BACKWARD; break;
|
|
|
6777 case 'w': p_ws = TRUE; break;
|
|
|
6778 case 'W': p_ws = FALSE; break;
|
|
|
6779 default: mask = 0;
|
|
|
6780 if (flagsp != NULL)
|
|
|
6781 switch (*flags)
|
|
|
6782 {
|
|
|
6783 case 'n': mask = SP_NOMOVE; break;
|
|
|
6784 case 'r': mask = SP_REPEAT; break;
|
|
|
6785 case 'm': mask = SP_RETCOUNT; break;
|
|
|
6786 }
|
|
|
6787 if (mask == 0)
|
|
|
6788 {
|
|
|
6789 EMSG2(_(e_invarg2), flags);
|
|
|
6790 dir = 0;
|
|
|
6791 }
|
|
|
6792 else
|
|
|
6793 *flagsp |= mask;
|
|
|
6794 }
|
|
|
6795 if (dir == 0)
|
|
|
6796 break;
|
|
|
6797 ++flags;
|
|
7
|
6798 }
|
|
|
6799 }
|
|
|
6800 return dir;
|
|
|
6801 }
|
|
|
6802
|
|
|
6803 /*
|
|
|
6804 * "setbufvar()" function
|
|
|
6805 */
|
|
|
6806 /*ARGSUSED*/
|
|
|
6807 static void
|
|
|
6808 f_setbufvar(argvars, retvar)
|
|
|
6809 VAR argvars;
|
|
|
6810 VAR retvar;
|
|
|
6811 {
|
|
|
6812 buf_T *buf;
|
|
|
6813 #ifdef FEAT_AUTOCMD
|
|
|
6814 aco_save_T aco;
|
|
|
6815 #else
|
|
|
6816 buf_T *save_curbuf;
|
|
|
6817 #endif
|
|
|
6818 char_u *varname, *bufvarname;
|
|
|
6819 VAR varp;
|
|
|
6820 char_u nbuf[NUMBUFLEN];
|
|
|
6821
|
|
|
6822 if (check_restricted() || check_secure())
|
|
|
6823 return;
|
|
|
6824 ++emsg_off;
|
|
|
6825 buf = get_buf_var(&argvars[0]);
|
|
|
6826 varname = get_var_string(&argvars[1]);
|
|
|
6827 varp = &argvars[2];
|
|
|
6828
|
|
|
6829 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6830 {
|
|
|
6831 /* set curbuf to be our buf, temporarily */
|
|
|
6832 #ifdef FEAT_AUTOCMD
|
|
|
6833 aucmd_prepbuf(&aco, buf);
|
|
|
6834 #else
|
|
|
6835 save_curbuf = curbuf;
|
|
|
6836 curbuf = buf;
|
|
|
6837 #endif
|
|
|
6838
|
|
|
6839 if (*varname == '&')
|
|
|
6840 {
|
|
|
6841 ++varname;
|
|
|
6842 set_option_value(varname, get_var_number(varp),
|
|
|
6843 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6844 }
|
|
|
6845 else
|
|
|
6846 {
|
|
|
6847 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6848 if (bufvarname != NULL)
|
|
|
6849 {
|
|
|
6850 STRCPY(bufvarname, "b:");
|
|
|
6851 STRCPY(bufvarname + 2, varname);
|
|
|
6852 set_var(bufvarname, varp);
|
|
|
6853 vim_free(bufvarname);
|
|
|
6854 }
|
|
|
6855 }
|
|
|
6856
|
|
|
6857 /* reset notion of buffer */
|
|
|
6858 #ifdef FEAT_AUTOCMD
|
|
|
6859 aucmd_restbuf(&aco);
|
|
|
6860 #else
|
|
|
6861 curbuf = save_curbuf;
|
|
|
6862 #endif
|
|
|
6863 }
|
|
|
6864 --emsg_off;
|
|
|
6865 }
|
|
|
6866
|
|
|
6867 /*
|
|
|
6868 * "setcmdpos()" function
|
|
|
6869 */
|
|
|
6870 static void
|
|
|
6871 f_setcmdpos(argvars, retvar)
|
|
|
6872 VAR argvars;
|
|
|
6873 VAR retvar;
|
|
|
6874 {
|
|
|
6875 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6876 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6877 }
|
|
|
6878
|
|
|
6879 /*
|
|
|
6880 * "setline()" function
|
|
|
6881 */
|
|
|
6882 static void
|
|
|
6883 f_setline(argvars, retvar)
|
|
|
6884 VAR argvars;
|
|
|
6885 VAR retvar;
|
|
|
6886 {
|
|
|
6887 linenr_T lnum;
|
|
|
6888 char_u *line;
|
|
|
6889
|
|
|
6890 lnum = get_var_lnum(argvars);
|
|
|
6891 line = get_var_string(&argvars[1]);
|
|
|
6892 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6893
|
|
|
6894 if (lnum >= 1
|
|
|
6895 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6896 && u_savesub(lnum) == OK
|
|
|
6897 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6898 {
|
|
|
6899 changed_bytes(lnum, 0);
|
|
|
6900 check_cursor_col();
|
|
|
6901 retvar->var_val.var_number = 0;
|
|
|
6902 }
|
|
|
6903 }
|
|
|
6904
|
|
|
6905 /*
|
|
|
6906 * "setreg()" function
|
|
|
6907 */
|
|
|
6908 static void
|
|
|
6909 f_setreg(argvars, retvar)
|
|
|
6910 VAR argvars;
|
|
|
6911 VAR retvar;
|
|
|
6912 {
|
|
|
6913 int regname;
|
|
|
6914 char_u *strregname;
|
|
|
6915 char_u *stropt;
|
|
|
6916 int append;
|
|
|
6917 char_u yank_type;
|
|
|
6918 long block_len;
|
|
|
6919
|
|
|
6920 block_len = -1;
|
|
|
6921 yank_type = MAUTO;
|
|
|
6922 append = FALSE;
|
|
|
6923
|
|
|
6924 strregname = get_var_string(argvars);
|
|
|
6925 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6926
|
|
|
6927 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6928 if (regname == 0 || regname == '@')
|
|
|
6929 regname = '"';
|
|
|
6930 else if (regname == '=')
|
|
|
6931 return;
|
|
|
6932
|
|
|
6933 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6934 {
|
|
|
6935 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6936 switch (*stropt)
|
|
|
6937 {
|
|
|
6938 case 'a': case 'A': /* append */
|
|
|
6939 append = TRUE;
|
|
|
6940 break;
|
|
|
6941 case 'v': case 'c': /* character-wise selection */
|
|
|
6942 yank_type = MCHAR;
|
|
|
6943 break;
|
|
|
6944 case 'V': case 'l': /* line-wise selection */
|
|
|
6945 yank_type = MLINE;
|
|
|
6946 break;
|
|
|
6947 #ifdef FEAT_VISUAL
|
|
|
6948 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6949 yank_type = MBLOCK;
|
|
|
6950 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6951 {
|
|
|
6952 ++stropt;
|
|
|
6953 block_len = getdigits(&stropt) - 1;
|
|
|
6954 --stropt;
|
|
|
6955 }
|
|
|
6956 break;
|
|
|
6957 #endif
|
|
|
6958 }
|
|
|
6959 }
|
|
|
6960
|
|
|
6961 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6962 append, yank_type, block_len);
|
|
|
6963 retvar->var_val.var_number = 0;
|
|
|
6964 }
|
|
|
6965
|
|
|
6966
|
|
|
6967 /*
|
|
|
6968 * "setwinvar(expr)" function
|
|
|
6969 */
|
|
|
6970 /*ARGSUSED*/
|
|
|
6971 static void
|
|
|
6972 f_setwinvar(argvars, retvar)
|
|
|
6973 VAR argvars;
|
|
|
6974 VAR retvar;
|
|
|
6975 {
|
|
|
6976 win_T *win;
|
|
|
6977 #ifdef FEAT_WINDOWS
|
|
|
6978 win_T *save_curwin;
|
|
|
6979 #endif
|
|
|
6980 char_u *varname, *winvarname;
|
|
|
6981 VAR varp;
|
|
|
6982 char_u nbuf[NUMBUFLEN];
|
|
|
6983
|
|
|
6984 if (check_restricted() || check_secure())
|
|
|
6985 return;
|
|
|
6986 ++emsg_off;
|
|
|
6987 win = find_win_by_nr(&argvars[0]);
|
|
|
6988 varname = get_var_string(&argvars[1]);
|
|
|
6989 varp = &argvars[2];
|
|
|
6990
|
|
|
6991 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6992 {
|
|
|
6993 #ifdef FEAT_WINDOWS
|
|
|
6994 /* set curwin to be our win, temporarily */
|
|
|
6995 save_curwin = curwin;
|
|
|
6996 curwin = win;
|
|
|
6997 curbuf = curwin->w_buffer;
|
|
|
6998 #endif
|
|
|
6999
|
|
|
7000 if (*varname == '&')
|
|
|
7001 {
|
|
|
7002 ++varname;
|
|
|
7003 set_option_value(varname, get_var_number(varp),
|
|
|
7004 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
7005 }
|
|
|
7006 else
|
|
|
7007 {
|
|
|
7008 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
7009 if (winvarname != NULL)
|
|
|
7010 {
|
|
|
7011 STRCPY(winvarname, "w:");
|
|
|
7012 STRCPY(winvarname + 2, varname);
|
|
|
7013 set_var(winvarname, varp);
|
|
|
7014 vim_free(winvarname);
|
|
|
7015 }
|
|
|
7016 }
|
|
|
7017
|
|
|
7018 #ifdef FEAT_WINDOWS
|
|
|
7019 /* Restore current window, if it's still valid (autocomands can make
|
|
|
7020 * it invalid). */
|
|
|
7021 if (win_valid(save_curwin))
|
|
|
7022 {
|
|
|
7023 curwin = save_curwin;
|
|
|
7024 curbuf = curwin->w_buffer;
|
|
|
7025 }
|
|
|
7026 #endif
|
|
|
7027 }
|
|
|
7028 --emsg_off;
|
|
|
7029 }
|
|
|
7030
|
|
|
7031 /*
|
|
|
7032 * "nextnonblank()" function
|
|
|
7033 */
|
|
|
7034 static void
|
|
|
7035 f_nextnonblank(argvars, retvar)
|
|
|
7036 VAR argvars;
|
|
|
7037 VAR retvar;
|
|
|
7038 {
|
|
|
7039 linenr_T lnum;
|
|
|
7040
|
|
|
7041 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
7042 {
|
|
|
7043 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
7044 {
|
|
|
7045 lnum = 0;
|
|
|
7046 break;
|
|
|
7047 }
|
|
|
7048 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
7049 break;
|
|
|
7050 }
|
|
|
7051 retvar->var_val.var_number = lnum;
|
|
|
7052 }
|
|
|
7053
|
|
|
7054 /*
|
|
|
7055 * "prevnonblank()" function
|
|
|
7056 */
|
|
|
7057 static void
|
|
|
7058 f_prevnonblank(argvars, retvar)
|
|
|
7059 VAR argvars;
|
|
|
7060 VAR retvar;
|
|
|
7061 {
|
|
|
7062 linenr_T lnum;
|
|
|
7063
|
|
|
7064 lnum = get_var_lnum(argvars);
|
|
|
7065 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
7066 lnum = 0;
|
|
|
7067 else
|
|
|
7068 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
7069 --lnum;
|
|
|
7070 retvar->var_val.var_number = lnum;
|
|
|
7071 }
|
|
|
7072
|
|
|
7073 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
7074 static void make_connection __ARGS((void));
|
|
|
7075 static int check_connection __ARGS((void));
|
|
|
7076
|
|
|
7077 static void
|
|
|
7078 make_connection()
|
|
|
7079 {
|
|
|
7080 if (X_DISPLAY == NULL
|
|
|
7081 # ifdef FEAT_GUI
|
|
|
7082 && !gui.in_use
|
|
|
7083 # endif
|
|
|
7084 )
|
|
|
7085 {
|
|
|
7086 x_force_connect = TRUE;
|
|
|
7087 setup_term_clip();
|
|
|
7088 x_force_connect = FALSE;
|
|
|
7089 }
|
|
|
7090 }
|
|
|
7091
|
|
|
7092 static int
|
|
|
7093 check_connection()
|
|
|
7094 {
|
|
|
7095 make_connection();
|
|
|
7096 if (X_DISPLAY == NULL)
|
|
|
7097 {
|
|
|
7098 EMSG(_("E240: No connection to Vim server"));
|
|
|
7099 return FAIL;
|
|
|
7100 }
|
|
|
7101 return OK;
|
|
|
7102 }
|
|
|
7103 #endif
|
|
|
7104
|
|
|
7105 /*ARGSUSED*/
|
|
|
7106 static void
|
|
|
7107 f_serverlist(argvars, retvar)
|
|
|
7108 VAR argvars;
|
|
|
7109 VAR retvar;
|
|
|
7110 {
|
|
|
7111 char_u *r = NULL;
|
|
|
7112
|
|
|
7113 #ifdef FEAT_CLIENTSERVER
|
|
|
7114 # ifdef WIN32
|
|
|
7115 r = serverGetVimNames();
|
|
|
7116 # else
|
|
|
7117 make_connection();
|
|
|
7118 if (X_DISPLAY != NULL)
|
|
|
7119 r = serverGetVimNames(X_DISPLAY);
|
|
|
7120 # endif
|
|
|
7121 #endif
|
|
|
7122 retvar->var_type = VAR_STRING;
|
|
|
7123 retvar->var_val.var_string = r;
|
|
|
7124 }
|
|
|
7125
|
|
|
7126 /*ARGSUSED*/
|
|
|
7127 static void
|
|
|
7128 f_remote_peek(argvars, retvar)
|
|
|
7129 VAR argvars;
|
|
|
7130 VAR retvar;
|
|
|
7131 {
|
|
|
7132 #ifdef FEAT_CLIENTSERVER
|
|
|
7133 var v;
|
|
|
7134 char_u *s = NULL;
|
|
|
7135 # ifdef WIN32
|
|
|
7136 int n = 0;
|
|
|
7137 # endif
|
|
|
7138
|
|
|
7139 if (check_restricted() || check_secure())
|
|
|
7140 {
|
|
|
7141 retvar->var_val.var_number = -1;
|
|
|
7142 return;
|
|
|
7143 }
|
|
|
7144 # ifdef WIN32
|
|
|
7145 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
7146 if (n == 0)
|
|
|
7147 retvar->var_val.var_number = -1;
|
|
|
7148 else
|
|
|
7149 {
|
|
|
7150 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
7151 retvar->var_val.var_number = (s != NULL);
|
|
|
7152 }
|
|
|
7153 # else
|
|
|
7154 retvar->var_val.var_number = 0;
|
|
|
7155 if (check_connection() == FAIL)
|
|
|
7156 return;
|
|
|
7157
|
|
|
7158 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
7159 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
7160 # endif
|
|
|
7161
|
|
|
7162 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
7163 {
|
|
|
7164 v.var_type = VAR_STRING;
|
|
|
7165 v.var_val.var_string = vim_strsave(s);
|
|
|
7166 set_var(get_var_string(&argvars[1]), &v);
|
|
|
7167 }
|
|
|
7168 #else
|
|
|
7169 retvar->var_val.var_number = -1;
|
|
|
7170 #endif
|
|
|
7171 }
|
|
|
7172
|
|
|
7173 /*ARGSUSED*/
|
|
|
7174 static void
|
|
|
7175 f_remote_read(argvars, retvar)
|
|
|
7176 VAR argvars;
|
|
|
7177 VAR retvar;
|
|
|
7178 {
|
|
|
7179 char_u *r = NULL;
|
|
|
7180
|
|
|
7181 #ifdef FEAT_CLIENTSERVER
|
|
|
7182 if (!check_restricted() && !check_secure())
|
|
|
7183 {
|
|
|
7184 # ifdef WIN32
|
|
|
7185 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
7186 int n = 0;
|
|
|
7187
|
|
|
7188 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
7189 if (n != 0)
|
|
|
7190 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
7191 if (r == NULL)
|
|
|
7192 # else
|
|
|
7193 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
7194 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
7195 # endif
|
|
|
7196 EMSG(_("E277: Unable to read a server reply"));
|
|
|
7197 }
|
|
|
7198 #endif
|
|
|
7199 retvar->var_type = VAR_STRING;
|
|
|
7200 retvar->var_val.var_string = r;
|
|
|
7201 }
|
|
|
7202
|
|
|
7203 /*ARGSUSED*/
|
|
|
7204 static void
|
|
|
7205 f_server2client(argvars, retvar)
|
|
|
7206 VAR argvars;
|
|
|
7207 VAR retvar;
|
|
|
7208 {
|
|
|
7209 #ifdef FEAT_CLIENTSERVER
|
|
|
7210 char_u buf[NUMBUFLEN];
|
|
|
7211 char_u *server = get_var_string(&argvars[0]);
|
|
|
7212 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
7213
|
|
|
7214 retvar->var_val.var_number = -1;
|
|
|
7215 if (check_restricted() || check_secure())
|
|
|
7216 return;
|
|
|
7217 # ifdef FEAT_X11
|
|
|
7218 if (check_connection() == FAIL)
|
|
|
7219 return;
|
|
|
7220 # endif
|
|
|
7221
|
|
|
7222 if (serverSendReply(server, reply) < 0)
|
|
|
7223 {
|
|
|
7224 EMSG(_("E258: Unable to send to client"));
|
|
|
7225 return;
|
|
|
7226 }
|
|
|
7227 retvar->var_val.var_number = 0;
|
|
|
7228 #else
|
|
|
7229 retvar->var_val.var_number = -1;
|
|
|
7230 #endif
|
|
|
7231 }
|
|
|
7232
|
|
|
7233 #ifdef FEAT_CLIENTSERVER
|
|
|
7234 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
7235
|
|
|
7236 static void
|
|
|
7237 remote_common(argvars, retvar, expr)
|
|
|
7238 VAR argvars;
|
|
|
7239 VAR retvar;
|
|
|
7240 int expr;
|
|
|
7241 {
|
|
|
7242 char_u *server_name;
|
|
|
7243 char_u *keys;
|
|
|
7244 char_u *r = NULL;
|
|
|
7245 char_u buf[NUMBUFLEN];
|
|
|
7246 # ifdef WIN32
|
|
|
7247 HWND w;
|
|
|
7248 # else
|
|
|
7249 Window w;
|
|
|
7250 # endif
|
|
|
7251
|
|
|
7252 if (check_restricted() || check_secure())
|
|
|
7253 return;
|
|
|
7254
|
|
|
7255 # ifdef FEAT_X11
|
|
|
7256 if (check_connection() == FAIL)
|
|
|
7257 return;
|
|
|
7258 # endif
|
|
|
7259
|
|
|
7260 server_name = get_var_string(&argvars[0]);
|
|
|
7261 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
7262 # ifdef WIN32
|
|
|
7263 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
7264 # else
|
|
|
7265 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
7266 < 0)
|
|
|
7267 # endif
|
|
|
7268 {
|
|
|
7269 if (r != NULL)
|
|
|
7270 EMSG(r); /* sending worked but evaluation failed */
|
|
|
7271 else
|
|
|
7272 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
7273 return;
|
|
|
7274 }
|
|
|
7275
|
|
|
7276 retvar->var_val.var_string = r;
|
|
|
7277
|
|
|
7278 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7279 {
|
|
|
7280 var v;
|
|
|
7281 char_u str[30];
|
|
|
7282
|
|
|
7283 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
7284 v.var_type = VAR_STRING;
|
|
|
7285 v.var_val.var_string = vim_strsave(str);
|
|
|
7286 set_var(get_var_string(&argvars[2]), &v);
|
|
|
7287 }
|
|
|
7288 }
|
|
|
7289 #endif
|
|
|
7290
|
|
|
7291 /*
|
|
|
7292 * "remote_expr()" function
|
|
|
7293 */
|
|
|
7294 /*ARGSUSED*/
|
|
|
7295 static void
|
|
|
7296 f_remote_expr(argvars, retvar)
|
|
|
7297 VAR argvars;
|
|
|
7298 VAR retvar;
|
|
|
7299 {
|
|
|
7300 retvar->var_type = VAR_STRING;
|
|
|
7301 retvar->var_val.var_string = NULL;
|
|
|
7302 #ifdef FEAT_CLIENTSERVER
|
|
|
7303 remote_common(argvars, retvar, TRUE);
|
|
|
7304 #endif
|
|
|
7305 }
|
|
|
7306
|
|
|
7307 /*
|
|
|
7308 * "remote_send()" function
|
|
|
7309 */
|
|
|
7310 /*ARGSUSED*/
|
|
|
7311 static void
|
|
|
7312 f_remote_send(argvars, retvar)
|
|
|
7313 VAR argvars;
|
|
|
7314 VAR retvar;
|
|
|
7315 {
|
|
|
7316 retvar->var_type = VAR_STRING;
|
|
|
7317 retvar->var_val.var_string = NULL;
|
|
|
7318 #ifdef FEAT_CLIENTSERVER
|
|
|
7319 remote_common(argvars, retvar, FALSE);
|
|
|
7320 #endif
|
|
|
7321 }
|
|
|
7322
|
|
|
7323 /*
|
|
|
7324 * "remote_foreground()" function
|
|
|
7325 */
|
|
|
7326 /*ARGSUSED*/
|
|
|
7327 static void
|
|
|
7328 f_remote_foreground(argvars, retvar)
|
|
|
7329 VAR argvars;
|
|
|
7330 VAR retvar;
|
|
|
7331 {
|
|
|
7332 retvar->var_val.var_number = 0;
|
|
|
7333 #ifdef FEAT_CLIENTSERVER
|
|
|
7334 # ifdef WIN32
|
|
|
7335 /* On Win32 it's done in this application. */
|
|
|
7336 serverForeground(get_var_string(&argvars[0]));
|
|
|
7337 # else
|
|
|
7338 /* Send a foreground() expression to the server. */
|
|
|
7339 argvars[1].var_type = VAR_STRING;
|
|
|
7340 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
7341 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
7342 remote_common(argvars, retvar, TRUE);
|
|
|
7343 vim_free(argvars[1].var_val.var_string);
|
|
|
7344 # endif
|
|
|
7345 #endif
|
|
|
7346 }
|
|
|
7347
|
|
18
|
7348 /*
|
|
|
7349 * "repeat()" function
|
|
|
7350 */
|
|
|
7351 /*ARGSUSED*/
|
|
|
7352 static void
|
|
|
7353 f_repeat(argvars, retvar)
|
|
|
7354 VAR argvars;
|
|
|
7355 VAR retvar;
|
|
|
7356 {
|
|
|
7357 char_u *p;
|
|
|
7358 int n;
|
|
|
7359 int slen;
|
|
|
7360 int len;
|
|
|
7361 char_u *r;
|
|
|
7362 int i;
|
|
|
7363
|
|
|
7364 p = get_var_string(&argvars[0]);
|
|
|
7365 n = get_var_number(&argvars[1]);
|
|
|
7366
|
|
|
7367 retvar->var_type = VAR_STRING;
|
|
|
7368 retvar->var_val.var_string = NULL;
|
|
|
7369
|
|
|
7370 slen = (int)STRLEN(p);
|
|
|
7371 len = slen * n;
|
|
|
7372
|
|
|
7373 if (len <= 0)
|
|
|
7374 return;
|
|
|
7375
|
|
|
7376 r = alloc(len + 1);
|
|
|
7377 if (r != NULL)
|
|
|
7378 {
|
|
|
7379 for (i = 0; i < n; i++)
|
|
|
7380 mch_memmove(r + i * slen, p, (size_t)slen);
|
|
|
7381 r[len] = NUL;
|
|
|
7382 }
|
|
|
7383
|
|
|
7384 retvar->var_val.var_string = r;
|
|
|
7385 }
|
|
|
7386
|
|
7
|
7387 #ifdef HAVE_STRFTIME
|
|
|
7388 /*
|
|
|
7389 * "strftime({format}[, {time}])" function
|
|
|
7390 */
|
|
|
7391 static void
|
|
|
7392 f_strftime(argvars, retvar)
|
|
|
7393 VAR argvars;
|
|
|
7394 VAR retvar;
|
|
|
7395 {
|
|
|
7396 char_u result_buf[256];
|
|
|
7397 struct tm *curtime;
|
|
|
7398 time_t seconds;
|
|
|
7399 char_u *p;
|
|
|
7400
|
|
|
7401 retvar->var_type = VAR_STRING;
|
|
|
7402
|
|
|
7403 p = get_var_string(&argvars[0]);
|
|
|
7404 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
7405 seconds = time(NULL);
|
|
|
7406 else
|
|
|
7407 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
7408 curtime = localtime(&seconds);
|
|
|
7409 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
7410 if (curtime == NULL)
|
|
|
7411 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
7412 else
|
|
|
7413 {
|
|
|
7414 # ifdef FEAT_MBYTE
|
|
|
7415 vimconv_T conv;
|
|
|
7416 char_u *enc;
|
|
|
7417
|
|
|
7418 conv.vc_type = CONV_NONE;
|
|
|
7419 enc = enc_locale();
|
|
|
7420 convert_setup(&conv, p_enc, enc);
|
|
|
7421 if (conv.vc_type != CONV_NONE)
|
|
|
7422 p = string_convert(&conv, p, NULL);
|
|
|
7423 # endif
|
|
|
7424 if (p != NULL)
|
|
|
7425 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
7426 (char *)p, curtime);
|
|
|
7427 else
|
|
|
7428 result_buf[0] = NUL;
|
|
|
7429
|
|
|
7430 # ifdef FEAT_MBYTE
|
|
|
7431 if (conv.vc_type != CONV_NONE)
|
|
|
7432 vim_free(p);
|
|
|
7433 convert_setup(&conv, enc, p_enc);
|
|
|
7434 if (conv.vc_type != CONV_NONE)
|
|
|
7435 retvar->var_val.var_string =
|
|
|
7436 string_convert(&conv, result_buf, NULL);
|
|
|
7437 else
|
|
|
7438 # endif
|
|
|
7439 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
7440
|
|
|
7441 # ifdef FEAT_MBYTE
|
|
|
7442 /* Release conversion descriptors */
|
|
|
7443 convert_setup(&conv, NULL, NULL);
|
|
|
7444 vim_free(enc);
|
|
|
7445 # endif
|
|
|
7446 }
|
|
|
7447 }
|
|
|
7448 #endif
|
|
|
7449
|
|
|
7450 /*
|
|
|
7451 * "stridx()" function
|
|
|
7452 */
|
|
|
7453 static void
|
|
|
7454 f_stridx(argvars, retvar)
|
|
|
7455 VAR argvars;
|
|
|
7456 VAR retvar;
|
|
|
7457 {
|
|
|
7458 char_u buf[NUMBUFLEN];
|
|
|
7459 char_u *needle;
|
|
|
7460 char_u *haystack;
|
|
|
7461 char_u *pos;
|
|
|
7462
|
|
|
7463 needle = get_var_string(&argvars[1]);
|
|
|
7464 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7465 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
7466
|
|
|
7467 if (pos == NULL)
|
|
|
7468 retvar->var_val.var_number = -1;
|
|
|
7469 else
|
|
|
7470 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
7471 }
|
|
|
7472
|
|
|
7473 /*
|
|
|
7474 * "strridx()" function
|
|
|
7475 */
|
|
|
7476 static void
|
|
|
7477 f_strridx(argvars, retvar)
|
|
|
7478 VAR argvars;
|
|
|
7479 VAR retvar;
|
|
|
7480 {
|
|
|
7481 char_u buf[NUMBUFLEN];
|
|
|
7482 char_u *needle;
|
|
|
7483 char_u *haystack;
|
|
|
7484 char_u *rest;
|
|
|
7485 char_u *lastmatch = NULL;
|
|
|
7486
|
|
|
7487 needle = get_var_string(&argvars[1]);
|
|
|
7488 haystack = get_var_string_buf(&argvars[0], buf);
|
|
22
|
7489 if (*needle == NUL)
|
|
|
7490 /* Empty string matches past the end. */
|
|
|
7491 lastmatch = haystack + STRLEN(haystack);
|
|
|
7492 else
|
|
|
7493 for (rest = haystack; *rest != '\0'; ++rest)
|
|
|
7494 {
|
|
|
7495 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
7496 if (rest == NULL)
|
|
|
7497 break;
|
|
|
7498 lastmatch = rest;
|
|
|
7499 }
|
|
7
|
7500
|
|
|
7501 if (lastmatch == NULL)
|
|
|
7502 retvar->var_val.var_number = -1;
|
|
|
7503 else
|
|
22
|
7504 retvar->var_val.var_number = (varnumber_T)(lastmatch - haystack);
|
|
7
|
7505 }
|
|
|
7506
|
|
|
7507 /*
|
|
|
7508 * "strlen()" function
|
|
|
7509 */
|
|
|
7510 static void
|
|
|
7511 f_strlen(argvars, retvar)
|
|
|
7512 VAR argvars;
|
|
|
7513 VAR retvar;
|
|
|
7514 {
|
|
|
7515 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7516 }
|
|
|
7517
|
|
|
7518 /*
|
|
|
7519 * "strpart()" function
|
|
|
7520 */
|
|
|
7521 static void
|
|
|
7522 f_strpart(argvars, retvar)
|
|
|
7523 VAR argvars;
|
|
|
7524 VAR retvar;
|
|
|
7525 {
|
|
|
7526 char_u *p;
|
|
|
7527 int n;
|
|
|
7528 int len;
|
|
|
7529 int slen;
|
|
|
7530
|
|
|
7531 p = get_var_string(&argvars[0]);
|
|
|
7532 slen = (int)STRLEN(p);
|
|
|
7533
|
|
|
7534 n = get_var_number(&argvars[1]);
|
|
|
7535 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7536 len = get_var_number(&argvars[2]);
|
|
|
7537 else
|
|
|
7538 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7539
|
|
|
7540 /*
|
|
|
7541 * Only return the overlap between the specified part and the actual
|
|
|
7542 * string.
|
|
|
7543 */
|
|
|
7544 if (n < 0)
|
|
|
7545 {
|
|
|
7546 len += n;
|
|
|
7547 n = 0;
|
|
|
7548 }
|
|
|
7549 else if (n > slen)
|
|
|
7550 n = slen;
|
|
|
7551 if (len < 0)
|
|
|
7552 len = 0;
|
|
|
7553 else if (n + len > slen)
|
|
|
7554 len = slen - n;
|
|
|
7555
|
|
|
7556 retvar->var_type = VAR_STRING;
|
|
|
7557 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7558 }
|
|
|
7559
|
|
|
7560 /*
|
|
|
7561 * "strtrans()" function
|
|
|
7562 */
|
|
|
7563 static void
|
|
|
7564 f_strtrans(argvars, retvar)
|
|
|
7565 VAR argvars;
|
|
|
7566 VAR retvar;
|
|
|
7567 {
|
|
|
7568 retvar->var_type = VAR_STRING;
|
|
|
7569 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7570 }
|
|
|
7571
|
|
|
7572 /*
|
|
|
7573 * "synID(line, col, trans)" function
|
|
|
7574 */
|
|
|
7575 /*ARGSUSED*/
|
|
|
7576 static void
|
|
|
7577 f_synID(argvars, retvar)
|
|
|
7578 VAR argvars;
|
|
|
7579 VAR retvar;
|
|
|
7580 {
|
|
|
7581 int id = 0;
|
|
|
7582 #ifdef FEAT_SYN_HL
|
|
|
7583 long line;
|
|
|
7584 long col;
|
|
|
7585 int trans;
|
|
|
7586
|
|
|
7587 line = get_var_lnum(argvars);
|
|
|
7588 col = get_var_number(&argvars[1]) - 1;
|
|
|
7589 trans = get_var_number(&argvars[2]);
|
|
|
7590
|
|
|
7591 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7592 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7593 id = syn_get_id(line, col, trans);
|
|
|
7594 #endif
|
|
|
7595
|
|
|
7596 retvar->var_val.var_number = id;
|
|
|
7597 }
|
|
|
7598
|
|
|
7599 /*
|
|
|
7600 * "synIDattr(id, what [, mode])" function
|
|
|
7601 */
|
|
|
7602 /*ARGSUSED*/
|
|
|
7603 static void
|
|
|
7604 f_synIDattr(argvars, retvar)
|
|
|
7605 VAR argvars;
|
|
|
7606 VAR retvar;
|
|
|
7607 {
|
|
|
7608 char_u *p = NULL;
|
|
|
7609 #ifdef FEAT_SYN_HL
|
|
|
7610 int id;
|
|
|
7611 char_u *what;
|
|
|
7612 char_u *mode;
|
|
|
7613 char_u modebuf[NUMBUFLEN];
|
|
|
7614 int modec;
|
|
|
7615
|
|
|
7616 id = get_var_number(&argvars[0]);
|
|
|
7617 what = get_var_string(&argvars[1]);
|
|
|
7618 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7619 {
|
|
|
7620 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7621 modec = TOLOWER_ASC(mode[0]);
|
|
|
7622 if (modec != 't' && modec != 'c'
|
|
|
7623 #ifdef FEAT_GUI
|
|
|
7624 && modec != 'g'
|
|
|
7625 #endif
|
|
|
7626 )
|
|
|
7627 modec = 0; /* replace invalid with current */
|
|
|
7628 }
|
|
|
7629 else
|
|
|
7630 {
|
|
|
7631 #ifdef FEAT_GUI
|
|
|
7632 if (gui.in_use)
|
|
|
7633 modec = 'g';
|
|
|
7634 else
|
|
|
7635 #endif
|
|
|
7636 if (t_colors > 1)
|
|
|
7637 modec = 'c';
|
|
|
7638 else
|
|
|
7639 modec = 't';
|
|
|
7640 }
|
|
|
7641
|
|
|
7642
|
|
|
7643 switch (TOLOWER_ASC(what[0]))
|
|
|
7644 {
|
|
|
7645 case 'b':
|
|
|
7646 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7647 p = highlight_color(id, what, modec);
|
|
|
7648 else /* bold */
|
|
|
7649 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7650 break;
|
|
|
7651
|
|
|
7652 case 'f': /* fg[#] */
|
|
|
7653 p = highlight_color(id, what, modec);
|
|
|
7654 break;
|
|
|
7655
|
|
|
7656 case 'i':
|
|
|
7657 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7658 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7659 else /* italic */
|
|
|
7660 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7661 break;
|
|
|
7662
|
|
|
7663 case 'n': /* name */
|
|
|
7664 p = get_highlight_name(NULL, id - 1);
|
|
|
7665 break;
|
|
|
7666
|
|
|
7667 case 'r': /* reverse */
|
|
|
7668 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7669 break;
|
|
|
7670
|
|
|
7671 case 's': /* standout */
|
|
|
7672 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7673 break;
|
|
|
7674
|
|
|
7675 case 'u': /* underline */
|
|
|
7676 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7677 break;
|
|
|
7678 }
|
|
|
7679
|
|
|
7680 if (p != NULL)
|
|
|
7681 p = vim_strsave(p);
|
|
|
7682 #endif
|
|
|
7683 retvar->var_type = VAR_STRING;
|
|
|
7684 retvar->var_val.var_string = p;
|
|
|
7685 }
|
|
|
7686
|
|
|
7687 /*
|
|
|
7688 * "synIDtrans(id)" function
|
|
|
7689 */
|
|
|
7690 /*ARGSUSED*/
|
|
|
7691 static void
|
|
|
7692 f_synIDtrans(argvars, retvar)
|
|
|
7693 VAR argvars;
|
|
|
7694 VAR retvar;
|
|
|
7695 {
|
|
|
7696 int id;
|
|
|
7697
|
|
|
7698 #ifdef FEAT_SYN_HL
|
|
|
7699 id = get_var_number(&argvars[0]);
|
|
|
7700
|
|
|
7701 if (id > 0)
|
|
|
7702 id = syn_get_final_id(id);
|
|
|
7703 else
|
|
|
7704 #endif
|
|
|
7705 id = 0;
|
|
|
7706
|
|
|
7707 retvar->var_val.var_number = id;
|
|
|
7708 }
|
|
|
7709
|
|
|
7710 /*
|
|
|
7711 * "system()" function
|
|
|
7712 */
|
|
|
7713 static void
|
|
|
7714 f_system(argvars, retvar)
|
|
|
7715 VAR argvars;
|
|
|
7716 VAR retvar;
|
|
|
7717 {
|
|
24
|
7718 char_u *res = NULL;
|
|
7
|
7719 char_u *p;
|
|
24
|
7720 char_u *infile = NULL;
|
|
|
7721 char_u buf[NUMBUFLEN];
|
|
|
7722 int err = FALSE;
|
|
|
7723 FILE *fd;
|
|
|
7724
|
|
|
7725 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
7726 {
|
|
|
7727 /*
|
|
|
7728 * Write the string to a temp file, to be used for input of the shell
|
|
|
7729 * command.
|
|
|
7730 */
|
|
|
7731 if ((infile = vim_tempname('i')) == NULL)
|
|
|
7732 {
|
|
|
7733 EMSG(_(e_notmp));
|
|
|
7734 return;
|
|
|
7735 }
|
|
|
7736
|
|
|
7737 fd = mch_fopen((char *)infile, WRITEBIN);
|
|
|
7738 if (fd == NULL)
|
|
|
7739 {
|
|
|
7740 EMSG2(_(e_notopen), infile);
|
|
|
7741 goto done;
|
|
|
7742 }
|
|
|
7743 p = get_var_string_buf(&argvars[1], buf);
|
|
|
7744 if (fwrite(p, STRLEN(p), 1, fd) != 1)
|
|
|
7745 err = TRUE;
|
|
|
7746 if (fclose(fd) != 0)
|
|
|
7747 err = TRUE;
|
|
|
7748 if (err)
|
|
|
7749 {
|
|
|
7750 EMSG(_("E677: Error writing temp file"));
|
|
|
7751 goto done;
|
|
|
7752 }
|
|
|
7753 }
|
|
|
7754
|
|
|
7755 res = get_cmd_output(get_var_string(&argvars[0]), infile, SHELL_SILENT);
|
|
|
7756
|
|
7
|
7757 #ifdef USE_CR
|
|
|
7758 /* translate <CR> into <NL> */
|
|
24
|
7759 if (res != NULL)
|
|
7
|
7760 {
|
|
|
7761 char_u *s;
|
|
|
7762
|
|
24
|
7763 for (s = res; *s; ++s)
|
|
7
|
7764 {
|
|
|
7765 if (*s == CAR)
|
|
|
7766 *s = NL;
|
|
|
7767 }
|
|
|
7768 }
|
|
|
7769 #else
|
|
|
7770 # ifdef USE_CRNL
|
|
|
7771 /* translate <CR><NL> into <NL> */
|
|
24
|
7772 if (res != NULL)
|
|
7
|
7773 {
|
|
|
7774 char_u *s, *d;
|
|
|
7775
|
|
24
|
7776 d = res;
|
|
|
7777 for (s = res; *s; ++s)
|
|
7
|
7778 {
|
|
|
7779 if (s[0] == CAR && s[1] == NL)
|
|
|
7780 ++s;
|
|
|
7781 *d++ = *s;
|
|
|
7782 }
|
|
|
7783 *d = NUL;
|
|
|
7784 }
|
|
|
7785 # endif
|
|
|
7786 #endif
|
|
24
|
7787
|
|
|
7788 done:
|
|
|
7789 if (infile != NULL)
|
|
|
7790 {
|
|
|
7791 mch_remove(infile);
|
|
|
7792 vim_free(infile);
|
|
|
7793 }
|
|
7
|
7794 retvar->var_type = VAR_STRING;
|
|
24
|
7795 retvar->var_val.var_string = res;
|
|
7
|
7796 }
|
|
|
7797
|
|
|
7798 /*
|
|
|
7799 * "submatch()" function
|
|
|
7800 */
|
|
|
7801 static void
|
|
|
7802 f_submatch(argvars, retvar)
|
|
|
7803 VAR argvars;
|
|
|
7804 VAR retvar;
|
|
|
7805 {
|
|
|
7806 retvar->var_type = VAR_STRING;
|
|
|
7807 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7808 }
|
|
|
7809
|
|
|
7810 /*
|
|
|
7811 * "substitute()" function
|
|
|
7812 */
|
|
|
7813 static void
|
|
|
7814 f_substitute(argvars, retvar)
|
|
|
7815 VAR argvars;
|
|
|
7816 VAR retvar;
|
|
|
7817 {
|
|
|
7818 char_u patbuf[NUMBUFLEN];
|
|
|
7819 char_u subbuf[NUMBUFLEN];
|
|
|
7820 char_u flagsbuf[NUMBUFLEN];
|
|
|
7821
|
|
|
7822 retvar->var_type = VAR_STRING;
|
|
|
7823 retvar->var_val.var_string = do_string_sub(
|
|
|
7824 get_var_string(&argvars[0]),
|
|
|
7825 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7826 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7827 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7828 }
|
|
|
7829
|
|
|
7830 /*
|
|
|
7831 * "tempname()" function
|
|
|
7832 */
|
|
|
7833 /*ARGSUSED*/
|
|
|
7834 static void
|
|
|
7835 f_tempname(argvars, retvar)
|
|
|
7836 VAR argvars;
|
|
|
7837 VAR retvar;
|
|
|
7838 {
|
|
|
7839 static int x = 'A';
|
|
|
7840
|
|
|
7841 retvar->var_type = VAR_STRING;
|
|
|
7842 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7843
|
|
|
7844 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7845 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7846 do
|
|
|
7847 {
|
|
|
7848 if (x == 'Z')
|
|
|
7849 x = '0';
|
|
|
7850 else if (x == '9')
|
|
|
7851 x = 'A';
|
|
|
7852 else
|
|
|
7853 {
|
|
|
7854 #ifdef EBCDIC
|
|
|
7855 if (x == 'I')
|
|
|
7856 x = 'J';
|
|
|
7857 else if (x == 'R')
|
|
|
7858 x = 'S';
|
|
|
7859 else
|
|
|
7860 #endif
|
|
|
7861 ++x;
|
|
|
7862 }
|
|
|
7863 } while (x == 'I' || x == 'O');
|
|
|
7864 }
|
|
|
7865
|
|
|
7866 /*
|
|
|
7867 * "tolower(string)" function
|
|
|
7868 */
|
|
|
7869 static void
|
|
|
7870 f_tolower(argvars, retvar)
|
|
|
7871 VAR argvars;
|
|
|
7872 VAR retvar;
|
|
|
7873 {
|
|
|
7874 char_u *p;
|
|
|
7875
|
|
|
7876 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7877 retvar->var_type = VAR_STRING;
|
|
|
7878 retvar->var_val.var_string = p;
|
|
|
7879
|
|
|
7880 if (p != NULL)
|
|
|
7881 while (*p != NUL)
|
|
|
7882 {
|
|
|
7883 #ifdef FEAT_MBYTE
|
|
|
7884 int l;
|
|
|
7885
|
|
|
7886 if (enc_utf8)
|
|
|
7887 {
|
|
|
7888 int c, lc;
|
|
|
7889
|
|
|
7890 c = utf_ptr2char(p);
|
|
|
7891 lc = utf_tolower(c);
|
|
|
7892 l = utf_ptr2len_check(p);
|
|
|
7893 /* TODO: reallocate string when byte count changes. */
|
|
|
7894 if (utf_char2len(lc) == l)
|
|
|
7895 utf_char2bytes(lc, p);
|
|
|
7896 p += l;
|
|
|
7897 }
|
|
|
7898 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7899 p += l; /* skip multi-byte character */
|
|
|
7900 else
|
|
|
7901 #endif
|
|
|
7902 {
|
|
|
7903 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7904 ++p;
|
|
|
7905 }
|
|
|
7906 }
|
|
|
7907 }
|
|
|
7908
|
|
|
7909 /*
|
|
|
7910 * "toupper(string)" function
|
|
|
7911 */
|
|
|
7912 static void
|
|
|
7913 f_toupper(argvars, retvar)
|
|
|
7914 VAR argvars;
|
|
|
7915 VAR retvar;
|
|
|
7916 {
|
|
|
7917 char_u *p;
|
|
|
7918
|
|
|
7919 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7920 retvar->var_type = VAR_STRING;
|
|
|
7921 retvar->var_val.var_string = p;
|
|
|
7922
|
|
|
7923 if (p != NULL)
|
|
|
7924 while (*p != NUL)
|
|
|
7925 {
|
|
|
7926 #ifdef FEAT_MBYTE
|
|
|
7927 int l;
|
|
|
7928
|
|
|
7929 if (enc_utf8)
|
|
|
7930 {
|
|
|
7931 int c, uc;
|
|
|
7932
|
|
|
7933 c = utf_ptr2char(p);
|
|
|
7934 uc = utf_toupper(c);
|
|
|
7935 l = utf_ptr2len_check(p);
|
|
|
7936 /* TODO: reallocate string when byte count changes. */
|
|
|
7937 if (utf_char2len(uc) == l)
|
|
|
7938 utf_char2bytes(uc, p);
|
|
|
7939 p += l;
|
|
|
7940 }
|
|
|
7941 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7942 p += l; /* skip multi-byte character */
|
|
|
7943 else
|
|
|
7944 #endif
|
|
|
7945 {
|
|
|
7946 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7947 p++;
|
|
|
7948 }
|
|
|
7949 }
|
|
|
7950 }
|
|
|
7951
|
|
|
7952 /*
|
|
15
|
7953 * "tr(string, fromstr, tostr)" function
|
|
|
7954 */
|
|
|
7955 static void
|
|
|
7956 f_tr(argvars, retvar)
|
|
|
7957 VAR argvars;
|
|
|
7958 VAR retvar;
|
|
|
7959 {
|
|
|
7960 char_u *instr;
|
|
|
7961 char_u *fromstr;
|
|
|
7962 char_u *tostr;
|
|
|
7963 char_u *p;
|
|
|
7964 #ifdef FEAT_MBYTE
|
|
|
7965 int inlen;
|
|
|
7966 int fromlen;
|
|
|
7967 int tolen;
|
|
|
7968 int idx;
|
|
|
7969 char_u *cpstr;
|
|
|
7970 int cplen;
|
|
|
7971 int first = TRUE;
|
|
|
7972 #endif
|
|
|
7973 char_u buf[NUMBUFLEN];
|
|
|
7974 char_u buf2[NUMBUFLEN];
|
|
|
7975 garray_T ga;
|
|
|
7976
|
|
|
7977 instr = get_var_string(&argvars[0]);
|
|
|
7978 fromstr = get_var_string_buf(&argvars[1], buf);
|
|
|
7979 tostr = get_var_string_buf(&argvars[2], buf2);
|
|
|
7980
|
|
|
7981 /* Default return value: empty string. */
|
|
|
7982 retvar->var_type = VAR_STRING;
|
|
|
7983 retvar->var_val.var_string = NULL;
|
|
|
7984 ga_init2(&ga, (int)sizeof(char), 80);
|
|
|
7985
|
|
|
7986 #ifdef FEAT_MBYTE
|
|
|
7987 if (!has_mbyte)
|
|
|
7988 #endif
|
|
|
7989 /* not multi-byte: fromstr and tostr must be the same length */
|
|
|
7990 if (STRLEN(fromstr) != STRLEN(tostr))
|
|
|
7991 {
|
|
20
|
7992 #ifdef FEAT_MBYTE
|
|
15
|
7993 error:
|
|
20
|
7994 #endif
|
|
15
|
7995 EMSG2(_(e_invarg2), fromstr);
|
|
|
7996 ga_clear(&ga);
|
|
|
7997 return;
|
|
|
7998 }
|
|
|
7999
|
|
|
8000 /* fromstr and tostr have to contain the same number of chars */
|
|
|
8001 while (*instr != NUL)
|
|
|
8002 {
|
|
|
8003 #ifdef FEAT_MBYTE
|
|
|
8004 if (has_mbyte)
|
|
|
8005 {
|
|
|
8006 inlen = mb_ptr2len_check(instr);
|
|
|
8007 cpstr = instr;
|
|
|
8008 cplen = inlen;
|
|
|
8009 idx = 0;
|
|
|
8010 for (p = fromstr; *p != NUL; p += fromlen)
|
|
|
8011 {
|
|
|
8012 fromlen = mb_ptr2len_check(p);
|
|
|
8013 if (fromlen == inlen && STRNCMP(instr, p, inlen) == 0)
|
|
|
8014 {
|
|
|
8015 for (p = tostr; *p != NUL; p += tolen)
|
|
|
8016 {
|
|
|
8017 tolen = mb_ptr2len_check(p);
|
|
|
8018 if (idx-- == 0)
|
|
|
8019 {
|
|
|
8020 cplen = tolen;
|
|
|
8021 cpstr = p;
|
|
|
8022 break;
|
|
|
8023 }
|
|
|
8024 }
|
|
|
8025 if (*p == NUL) /* tostr is shorter than fromstr */
|
|
|
8026 goto error;
|
|
|
8027 break;
|
|
|
8028 }
|
|
|
8029 ++idx;
|
|
|
8030 }
|
|
|
8031
|
|
|
8032 if (first && cpstr == instr)
|
|
|
8033 {
|
|
|
8034 /* Check that fromstr and tostr have the same number of
|
|
|
8035 * (multi-byte) characters. Done only once when a character
|
|
|
8036 * of instr doesn't appear in fromstr. */
|
|
|
8037 first = FALSE;
|
|
|
8038 for (p = tostr; *p != NUL; p += tolen)
|
|
|
8039 {
|
|
|
8040 tolen = mb_ptr2len_check(p);
|
|
|
8041 --idx;
|
|
|
8042 }
|
|
|
8043 if (idx != 0)
|
|
|
8044 goto error;
|
|
|
8045 }
|
|
|
8046
|
|
|
8047 ga_grow(&ga, cplen);
|
|
16
|
8048 mch_memmove((char *)ga.ga_data + ga.ga_len, cpstr, (size_t)cplen);
|
|
15
|
8049 ga.ga_len += cplen;
|
|
|
8050 ga.ga_room -= cplen;
|
|
|
8051
|
|
|
8052 instr += inlen;
|
|
|
8053 }
|
|
|
8054 else
|
|
|
8055 #endif
|
|
|
8056 {
|
|
|
8057 /* When not using multi-byte chars we can do it faster. */
|
|
|
8058 p = vim_strchr(fromstr, *instr);
|
|
|
8059 if (p != NULL)
|
|
|
8060 ga_append(&ga, tostr[p - fromstr]);
|
|
|
8061 else
|
|
|
8062 ga_append(&ga, *instr);
|
|
|
8063 ++instr;
|
|
|
8064 }
|
|
|
8065 }
|
|
|
8066
|
|
|
8067 retvar->var_val.var_string = ga.ga_data;
|
|
|
8068 }
|
|
|
8069
|
|
|
8070 /*
|
|
7
|
8071 * "type(expr)" function
|
|
|
8072 */
|
|
|
8073 static void
|
|
|
8074 f_type(argvars, retvar)
|
|
|
8075 VAR argvars;
|
|
|
8076 VAR retvar;
|
|
|
8077 {
|
|
|
8078 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
8079 retvar->var_val.var_number = 0;
|
|
|
8080 else
|
|
|
8081 retvar->var_val.var_number = 1;
|
|
|
8082 }
|
|
|
8083
|
|
|
8084 /*
|
|
|
8085 * "virtcol(string)" function
|
|
|
8086 */
|
|
|
8087 static void
|
|
|
8088 f_virtcol(argvars, retvar)
|
|
|
8089 VAR argvars;
|
|
|
8090 VAR retvar;
|
|
|
8091 {
|
|
|
8092 colnr_T vcol = 0;
|
|
|
8093 pos_T *fp;
|
|
|
8094
|
|
|
8095 fp = var2fpos(&argvars[0], FALSE);
|
|
|
8096 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
8097 {
|
|
|
8098 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
8099 ++vcol;
|
|
|
8100 }
|
|
|
8101
|
|
|
8102 retvar->var_val.var_number = vcol;
|
|
|
8103 }
|
|
|
8104
|
|
|
8105 /*
|
|
|
8106 * "visualmode()" function
|
|
|
8107 */
|
|
|
8108 /*ARGSUSED*/
|
|
|
8109 static void
|
|
|
8110 f_visualmode(argvars, retvar)
|
|
|
8111 VAR argvars;
|
|
|
8112 VAR retvar;
|
|
|
8113 {
|
|
|
8114 #ifdef FEAT_VISUAL
|
|
|
8115 char_u str[2];
|
|
|
8116
|
|
|
8117 retvar->var_type = VAR_STRING;
|
|
|
8118 str[0] = curbuf->b_visual_mode_eval;
|
|
|
8119 str[1] = NUL;
|
|
|
8120 retvar->var_val.var_string = vim_strsave(str);
|
|
|
8121
|
|
|
8122 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
8123 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
8124 && argvars[0].var_val.var_number != 0)
|
|
|
8125 || (argvars[0].var_type == VAR_STRING
|
|
|
8126 && *get_var_string(&argvars[0]) != NUL))
|
|
|
8127 curbuf->b_visual_mode_eval = NUL;
|
|
|
8128 #else
|
|
|
8129 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
8130 #endif
|
|
|
8131 }
|
|
|
8132
|
|
|
8133 /*
|
|
|
8134 * "winbufnr(nr)" function
|
|
|
8135 */
|
|
|
8136 static void
|
|
|
8137 f_winbufnr(argvars, retvar)
|
|
|
8138 VAR argvars;
|
|
|
8139 VAR retvar;
|
|
|
8140 {
|
|
|
8141 win_T *wp;
|
|
|
8142
|
|
|
8143 wp = find_win_by_nr(&argvars[0]);
|
|
|
8144 if (wp == NULL)
|
|
|
8145 retvar->var_val.var_number = -1;
|
|
|
8146 else
|
|
|
8147 retvar->var_val.var_number = wp->w_buffer->b_fnum;
|
|
|
8148 }
|
|
|
8149
|
|
|
8150 /*
|
|
|
8151 * "wincol()" function
|
|
|
8152 */
|
|
|
8153 /*ARGSUSED*/
|
|
|
8154 static void
|
|
|
8155 f_wincol(argvars, retvar)
|
|
|
8156 VAR argvars;
|
|
|
8157 VAR retvar;
|
|
|
8158 {
|
|
|
8159 validate_cursor();
|
|
|
8160 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
8161 }
|
|
|
8162
|
|
|
8163 /*
|
|
|
8164 * "winheight(nr)" function
|
|
|
8165 */
|
|
|
8166 static void
|
|
|
8167 f_winheight(argvars, retvar)
|
|
|
8168 VAR argvars;
|
|
|
8169 VAR retvar;
|
|
|
8170 {
|
|
|
8171 win_T *wp;
|
|
|
8172
|
|
|
8173 wp = find_win_by_nr(&argvars[0]);
|
|
|
8174 if (wp == NULL)
|
|
|
8175 retvar->var_val.var_number = -1;
|
|
|
8176 else
|
|
|
8177 retvar->var_val.var_number = wp->w_height;
|
|
|
8178 }
|
|
|
8179
|
|
|
8180 /*
|
|
|
8181 * "winline()" function
|
|
|
8182 */
|
|
|
8183 /*ARGSUSED*/
|
|
|
8184 static void
|
|
|
8185 f_winline(argvars, retvar)
|
|
|
8186 VAR argvars;
|
|
|
8187 VAR retvar;
|
|
|
8188 {
|
|
|
8189 validate_cursor();
|
|
|
8190 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
8191 }
|
|
|
8192
|
|
|
8193 /*
|
|
|
8194 * "winnr()" function
|
|
|
8195 */
|
|
|
8196 /* ARGSUSED */
|
|
|
8197 static void
|
|
|
8198 f_winnr(argvars, retvar)
|
|
|
8199 VAR argvars;
|
|
|
8200 VAR retvar;
|
|
|
8201 {
|
|
|
8202 int nr = 1;
|
|
|
8203 #ifdef FEAT_WINDOWS
|
|
|
8204 win_T *wp;
|
|
20
|
8205 win_T *twin = curwin;
|
|
|
8206 char_u *arg;
|
|
|
8207
|
|
|
8208 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
8209 {
|
|
|
8210 arg = get_var_string(&argvars[0]);
|
|
|
8211 if (STRCMP(arg, "$") == 0)
|
|
|
8212 twin = lastwin;
|
|
|
8213 else if (STRCMP(arg, "#") == 0)
|
|
|
8214 {
|
|
|
8215 twin = prevwin;
|
|
|
8216 if (prevwin == NULL)
|
|
|
8217 nr = 0;
|
|
|
8218 }
|
|
|
8219 else
|
|
|
8220 {
|
|
|
8221 EMSG2(_(e_invexpr2), arg);
|
|
|
8222 nr = 0;
|
|
|
8223 }
|
|
|
8224 }
|
|
|
8225
|
|
|
8226 if (nr > 0)
|
|
|
8227 for (wp = firstwin; wp != twin; wp = wp->w_next)
|
|
|
8228 ++nr;
|
|
7
|
8229 #endif
|
|
|
8230 retvar->var_val.var_number = nr;
|
|
|
8231 }
|
|
|
8232
|
|
|
8233 /*
|
|
|
8234 * "winrestcmd()" function
|
|
|
8235 */
|
|
|
8236 /* ARGSUSED */
|
|
|
8237 static void
|
|
|
8238 f_winrestcmd(argvars, retvar)
|
|
|
8239 VAR argvars;
|
|
|
8240 VAR retvar;
|
|
|
8241 {
|
|
|
8242 #ifdef FEAT_WINDOWS
|
|
|
8243 win_T *wp;
|
|
|
8244 int winnr = 1;
|
|
|
8245 garray_T ga;
|
|
|
8246 char_u buf[50];
|
|
|
8247
|
|
|
8248 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
8249 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
8250 {
|
|
|
8251 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
8252 ga_concat(&ga, buf);
|
|
|
8253 # ifdef FEAT_VERTSPLIT
|
|
|
8254 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
8255 ga_concat(&ga, buf);
|
|
|
8256 # endif
|
|
|
8257 ++winnr;
|
|
|
8258 }
|
|
21
|
8259 ga_append(&ga, NUL);
|
|
7
|
8260
|
|
|
8261 retvar->var_val.var_string = ga.ga_data;
|
|
|
8262 #else
|
|
|
8263 retvar->var_val.var_string = NULL;
|
|
|
8264 #endif
|
|
|
8265 retvar->var_type = VAR_STRING;
|
|
|
8266 }
|
|
|
8267
|
|
|
8268 /*
|
|
|
8269 * "winwidth(nr)" function
|
|
|
8270 */
|
|
|
8271 static void
|
|
|
8272 f_winwidth(argvars, retvar)
|
|
|
8273 VAR argvars;
|
|
|
8274 VAR retvar;
|
|
|
8275 {
|
|
|
8276 win_T *wp;
|
|
|
8277
|
|
|
8278 wp = find_win_by_nr(&argvars[0]);
|
|
|
8279 if (wp == NULL)
|
|
|
8280 retvar->var_val.var_number = -1;
|
|
|
8281 else
|
|
|
8282 #ifdef FEAT_VERTSPLIT
|
|
|
8283 retvar->var_val.var_number = wp->w_width;
|
|
|
8284 #else
|
|
|
8285 retvar->var_val.var_number = Columns;
|
|
|
8286 #endif
|
|
|
8287 }
|
|
|
8288
|
|
|
8289 static win_T *
|
|
|
8290 find_win_by_nr(vp)
|
|
|
8291 VAR vp;
|
|
|
8292 {
|
|
|
8293 #ifdef FEAT_WINDOWS
|
|
|
8294 win_T *wp;
|
|
|
8295 #endif
|
|
|
8296 int nr;
|
|
|
8297
|
|
|
8298 nr = get_var_number(vp);
|
|
|
8299
|
|
|
8300 #ifdef FEAT_WINDOWS
|
|
|
8301 if (nr == 0)
|
|
|
8302 return curwin;
|
|
|
8303
|
|
|
8304 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
8305 if (--nr <= 0)
|
|
|
8306 break;
|
|
|
8307 return wp;
|
|
|
8308 #else
|
|
|
8309 if (nr == 0 || nr == 1)
|
|
|
8310 return curwin;
|
|
|
8311 return NULL;
|
|
|
8312 #endif
|
|
|
8313 }
|
|
|
8314
|
|
|
8315 /*
|
|
|
8316 * Translate a String variable into a position.
|
|
|
8317 */
|
|
|
8318 static pos_T *
|
|
|
8319 var2fpos(varp, lnum)
|
|
|
8320 VAR varp;
|
|
|
8321 int lnum; /* TRUE when $ is last line */
|
|
|
8322 {
|
|
|
8323 char_u *name;
|
|
|
8324 static pos_T pos;
|
|
|
8325 pos_T *pp;
|
|
|
8326
|
|
|
8327 name = get_var_string(varp);
|
|
|
8328 if (name[0] == '.') /* cursor */
|
|
|
8329 return &curwin->w_cursor;
|
|
|
8330 if (name[0] == '\'') /* mark */
|
|
|
8331 {
|
|
|
8332 pp = getmark(name[1], FALSE);
|
|
|
8333 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
8334 return NULL;
|
|
|
8335 return pp;
|
|
|
8336 }
|
|
|
8337 if (name[0] == '$') /* last column or line */
|
|
|
8338 {
|
|
|
8339 if (lnum)
|
|
|
8340 {
|
|
|
8341 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
8342 pos.col = 0;
|
|
|
8343 }
|
|
|
8344 else
|
|
|
8345 {
|
|
|
8346 pos.lnum = curwin->w_cursor.lnum;
|
|
|
8347 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
8348 }
|
|
|
8349 return &pos;
|
|
|
8350 }
|
|
|
8351 return NULL;
|
|
|
8352 }
|
|
|
8353
|
|
|
8354 /*
|
|
|
8355 * Get the length of an environment variable name.
|
|
|
8356 * Advance "arg" to the first character after the name.
|
|
|
8357 * Return 0 for error.
|
|
|
8358 */
|
|
|
8359 static int
|
|
|
8360 get_env_len(arg)
|
|
|
8361 char_u **arg;
|
|
|
8362 {
|
|
|
8363 char_u *p;
|
|
|
8364 int len;
|
|
|
8365
|
|
|
8366 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
8367 ;
|
|
|
8368 if (p == *arg) /* no name found */
|
|
|
8369 return 0;
|
|
|
8370
|
|
|
8371 len = (int)(p - *arg);
|
|
|
8372 *arg = p;
|
|
|
8373 return len;
|
|
|
8374 }
|
|
|
8375
|
|
|
8376 /*
|
|
|
8377 * Get the length of the name of a function or internal variable.
|
|
|
8378 * "arg" is advanced to the first non-white character after the name.
|
|
|
8379 * Return 0 if something is wrong.
|
|
|
8380 */
|
|
|
8381 static int
|
|
|
8382 get_id_len(arg)
|
|
|
8383 char_u **arg;
|
|
|
8384 {
|
|
|
8385 char_u *p;
|
|
|
8386 int len;
|
|
|
8387
|
|
|
8388 /* Find the end of the name. */
|
|
|
8389 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
8390 ;
|
|
|
8391 if (p == *arg) /* no name found */
|
|
|
8392 return 0;
|
|
|
8393
|
|
|
8394 len = (int)(p - *arg);
|
|
|
8395 *arg = skipwhite(p);
|
|
|
8396
|
|
|
8397 return len;
|
|
|
8398 }
|
|
|
8399
|
|
|
8400 /*
|
|
|
8401 * Get the length of the name of a function.
|
|
|
8402 * "arg" is advanced to the first non-white character after the name.
|
|
|
8403 * Return 0 if something is wrong.
|
|
|
8404 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
8405 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
8406 */
|
|
|
8407 static int
|
|
|
8408 get_func_len(arg, alias, evaluate)
|
|
|
8409 char_u **arg;
|
|
|
8410 char_u **alias;
|
|
|
8411 int evaluate;
|
|
|
8412 {
|
|
|
8413 int len;
|
|
|
8414 #ifdef FEAT_MAGIC_BRACES
|
|
|
8415 char_u *p;
|
|
|
8416 char_u *expr_start;
|
|
|
8417 char_u *expr_end;
|
|
|
8418 #endif
|
|
|
8419
|
|
|
8420 *alias = NULL; /* default to no alias */
|
|
|
8421
|
|
|
8422 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
8423 && (*arg)[2] == (int)KE_SNR)
|
|
|
8424 {
|
|
|
8425 /* hard coded <SNR>, already translated */
|
|
|
8426 *arg += 3;
|
|
|
8427 return get_id_len(arg) + 3;
|
|
|
8428 }
|
|
|
8429 len = eval_fname_script(*arg);
|
|
|
8430 if (len > 0)
|
|
|
8431 {
|
|
|
8432 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
8433 *arg += len;
|
|
|
8434 }
|
|
|
8435
|
|
|
8436 #ifdef FEAT_MAGIC_BRACES
|
|
|
8437 /*
|
|
|
8438 * Find the end of the name;
|
|
|
8439 */
|
|
|
8440 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
8441 /* check for {} construction */
|
|
|
8442 if (expr_start != NULL)
|
|
|
8443 {
|
|
|
8444 char_u *temp_string;
|
|
|
8445
|
|
|
8446 if (!evaluate)
|
|
|
8447 {
|
|
|
8448 len += (int)(p - *arg);
|
|
|
8449 *arg = skipwhite(p);
|
|
|
8450 return len;
|
|
|
8451 }
|
|
|
8452
|
|
|
8453 /*
|
|
|
8454 * Include any <SID> etc in the expanded string:
|
|
|
8455 * Thus the -len here.
|
|
|
8456 */
|
|
|
8457 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
8458 if (temp_string == NULL)
|
|
|
8459 return 0;
|
|
|
8460 *alias = temp_string;
|
|
|
8461 *arg = skipwhite(p);
|
|
|
8462 return (int)STRLEN(temp_string);
|
|
|
8463 }
|
|
|
8464 #endif
|
|
|
8465
|
|
|
8466 len += get_id_len(arg);
|
|
|
8467 if (len == 0)
|
|
|
8468 EMSG2(_(e_invexpr2), *arg);
|
|
|
8469
|
|
|
8470 return len;
|
|
|
8471 }
|
|
|
8472
|
|
|
8473 static char_u *
|
|
|
8474 find_name_end(arg, expr_start, expr_end)
|
|
|
8475 char_u *arg;
|
|
|
8476 char_u **expr_start;
|
|
|
8477 char_u **expr_end;
|
|
|
8478 {
|
|
|
8479 int nesting = 0;
|
|
|
8480 char_u *p;
|
|
|
8481
|
|
|
8482 *expr_start = NULL;
|
|
|
8483 *expr_end = NULL;
|
|
|
8484
|
|
|
8485 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
8486 {
|
|
|
8487 #ifdef FEAT_MAGIC_BRACES
|
|
|
8488 if (*p == '{')
|
|
|
8489 {
|
|
|
8490 nesting++;
|
|
|
8491 if (*expr_start == NULL)
|
|
|
8492 *expr_start = p;
|
|
|
8493 }
|
|
|
8494 else if (*p == '}')
|
|
|
8495 {
|
|
|
8496 nesting--;
|
|
|
8497 if (nesting == 0 && *expr_end == NULL)
|
|
|
8498 *expr_end = p;
|
|
|
8499 }
|
|
|
8500 #endif
|
|
|
8501 }
|
|
|
8502
|
|
|
8503 return p;
|
|
|
8504 }
|
|
|
8505
|
|
|
8506 /*
|
|
|
8507 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
8508 */
|
|
|
8509 static int
|
|
|
8510 eval_isnamec(c)
|
|
|
8511 int c;
|
|
|
8512 {
|
|
|
8513 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
8514 #ifdef FEAT_MAGIC_BRACES
|
|
|
8515 || c == '{' || c == '}'
|
|
|
8516 #endif
|
|
|
8517 );
|
|
|
8518 }
|
|
|
8519
|
|
|
8520 /*
|
|
|
8521 * Find a v: variable.
|
|
|
8522 * Return it's index, or -1 if not found.
|
|
|
8523 */
|
|
|
8524 static int
|
|
|
8525 find_vim_var(name, len)
|
|
|
8526 char_u *name;
|
|
|
8527 int len; /* length of "name" */
|
|
|
8528 {
|
|
|
8529 char_u *vname;
|
|
|
8530 int vlen;
|
|
|
8531 int i;
|
|
|
8532
|
|
|
8533 /*
|
|
|
8534 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
8535 */
|
|
|
8536 if (name[0] == 'v' && name[1] == ':')
|
|
|
8537 {
|
|
|
8538 vname = name + 2;
|
|
|
8539 vlen = len - 2;
|
|
|
8540 }
|
|
|
8541 else
|
|
|
8542 {
|
|
|
8543 vname = name;
|
|
|
8544 vlen = len;
|
|
|
8545 }
|
|
|
8546 for (i = 0; i < VV_LEN; ++i)
|
|
|
8547 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
8548 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
8549 return i;
|
|
|
8550 return -1;
|
|
|
8551 }
|
|
|
8552
|
|
|
8553 /*
|
|
|
8554 * Set number v: variable to "val".
|
|
|
8555 */
|
|
|
8556 void
|
|
|
8557 set_vim_var_nr(idx, val)
|
|
|
8558 int idx;
|
|
|
8559 long val;
|
|
|
8560 {
|
|
|
8561 vimvars[idx].val = (char_u *)val;
|
|
|
8562 }
|
|
|
8563
|
|
|
8564 /*
|
|
|
8565 * Get number v: variable value;
|
|
|
8566 */
|
|
|
8567 long
|
|
|
8568 get_vim_var_nr(idx)
|
|
|
8569 int idx;
|
|
|
8570 {
|
|
|
8571 return (long)vimvars[idx].val;
|
|
|
8572 }
|
|
|
8573
|
|
|
8574 /*
|
|
|
8575 * Set v:count, v:count1 and v:prevcount.
|
|
|
8576 */
|
|
|
8577 void
|
|
|
8578 set_vcount(count, count1)
|
|
|
8579 long count;
|
|
|
8580 long count1;
|
|
|
8581 {
|
|
|
8582 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
8583 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
8584 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
8585 }
|
|
|
8586
|
|
|
8587 /*
|
|
|
8588 * Set string v: variable to a copy of "val".
|
|
|
8589 */
|
|
|
8590 void
|
|
|
8591 set_vim_var_string(idx, val, len)
|
|
|
8592 int idx;
|
|
|
8593 char_u *val;
|
|
|
8594 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
8595 {
|
|
|
8596 vim_free(vimvars[idx].val);
|
|
|
8597 if (val == NULL)
|
|
|
8598 vimvars[idx].val = NULL;
|
|
|
8599 else if (len == -1)
|
|
|
8600 vimvars[idx].val = vim_strsave(val);
|
|
|
8601 else
|
|
|
8602 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
8603 }
|
|
|
8604
|
|
|
8605 /*
|
|
|
8606 * Set v:register if needed.
|
|
|
8607 */
|
|
|
8608 void
|
|
|
8609 set_reg_var(c)
|
|
|
8610 int c;
|
|
|
8611 {
|
|
|
8612 char_u regname;
|
|
|
8613
|
|
|
8614 if (c == 0 || c == ' ')
|
|
|
8615 regname = '"';
|
|
|
8616 else
|
|
|
8617 regname = c;
|
|
|
8618 /* Avoid free/alloc when the value is already right. */
|
|
|
8619 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
8620 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
8621 }
|
|
|
8622
|
|
|
8623 /*
|
|
|
8624 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
8625 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
8626 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
8627 * take care of memory allocations.
|
|
|
8628 */
|
|
|
8629 char_u *
|
|
|
8630 v_exception(oldval)
|
|
|
8631 char_u *oldval;
|
|
|
8632 {
|
|
|
8633 if (oldval == NULL)
|
|
|
8634 return vimvars[VV_EXCEPTION].val;
|
|
|
8635
|
|
|
8636 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
8637 return NULL;
|
|
|
8638 }
|
|
|
8639
|
|
|
8640 /*
|
|
|
8641 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
8642 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
8643 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
8644 * take care of memory allocations.
|
|
|
8645 */
|
|
|
8646 char_u *
|
|
|
8647 v_throwpoint(oldval)
|
|
|
8648 char_u *oldval;
|
|
|
8649 {
|
|
|
8650 if (oldval == NULL)
|
|
|
8651 return vimvars[VV_THROWPOINT].val;
|
|
|
8652
|
|
|
8653 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
8654 return NULL;
|
|
|
8655 }
|
|
|
8656
|
|
|
8657 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
8658 /*
|
|
|
8659 * Set v:cmdarg.
|
|
|
8660 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
8661 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
8662 * Must always be called in pairs!
|
|
|
8663 */
|
|
|
8664 char_u *
|
|
|
8665 set_cmdarg(eap, oldarg)
|
|
|
8666 exarg_T *eap;
|
|
|
8667 char_u *oldarg;
|
|
|
8668 {
|
|
|
8669 char_u *oldval;
|
|
|
8670 char_u *newval;
|
|
|
8671 unsigned len;
|
|
|
8672
|
|
|
8673 oldval = vimvars[VV_CMDARG].val;
|
|
26
|
8674 if (eap == NULL)
|
|
|
8675 {
|
|
|
8676 vim_free(oldval);
|
|
|
8677 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8678 return NULL;
|
|
|
8679 }
|
|
|
8680
|
|
|
8681 if (eap->force_bin == FORCE_BIN)
|
|
|
8682 len = 6;
|
|
|
8683 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8684 len = 8;
|
|
|
8685 else
|
|
|
8686 len = 0;
|
|
|
8687 if (eap->force_ff != 0)
|
|
|
8688 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
7
|
8689 # ifdef FEAT_MBYTE
|
|
26
|
8690 if (eap->force_enc != 0)
|
|
|
8691 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
7
|
8692 # endif
|
|
|
8693
|
|
26
|
8694 newval = alloc(len + 1);
|
|
|
8695 if (newval == NULL)
|
|
|
8696 return NULL;
|
|
|
8697
|
|
|
8698 if (eap->force_bin == FORCE_BIN)
|
|
|
8699 sprintf((char *)newval, " ++bin");
|
|
|
8700 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8701 sprintf((char *)newval, " ++nobin");
|
|
|
8702 else
|
|
|
8703 *newval = NUL;
|
|
|
8704 if (eap->force_ff != 0)
|
|
|
8705 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8706 eap->cmd + eap->force_ff);
|
|
7
|
8707 # ifdef FEAT_MBYTE
|
|
26
|
8708 if (eap->force_enc != 0)
|
|
|
8709 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8710 eap->cmd + eap->force_enc);
|
|
7
|
8711 # endif
|
|
26
|
8712 vimvars[VV_CMDARG].val = newval;
|
|
|
8713 return oldval;
|
|
7
|
8714 }
|
|
|
8715 #endif
|
|
|
8716
|
|
|
8717 /*
|
|
|
8718 * Get the value of internal variable "name".
|
|
|
8719 * Return OK or FAIL.
|
|
|
8720 */
|
|
|
8721 static int
|
|
|
8722 get_var_var(name, len, retvar)
|
|
|
8723 char_u *name;
|
|
|
8724 int len; /* length of "name" */
|
|
|
8725 VAR retvar; /* NULL when only checking existence */
|
|
|
8726 {
|
|
|
8727 int ret = OK;
|
|
|
8728 int type = VAR_UNKNOWN;
|
|
|
8729 long number = 1;
|
|
|
8730 char_u *string = NULL;
|
|
|
8731 VAR v;
|
|
|
8732 int cc;
|
|
|
8733 int i;
|
|
|
8734
|
|
|
8735 /* truncate the name, so that we can use strcmp() */
|
|
|
8736 cc = name[len];
|
|
|
8737 name[len] = NUL;
|
|
|
8738
|
|
|
8739 /*
|
|
|
8740 * Check for "b:changedtick".
|
|
|
8741 */
|
|
|
8742 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8743 {
|
|
|
8744 type = VAR_NUMBER;
|
|
|
8745 number = curbuf->b_changedtick;
|
|
|
8746 }
|
|
|
8747
|
|
|
8748 /*
|
|
|
8749 * Check for built-in v: variables.
|
|
|
8750 */
|
|
|
8751 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8752 {
|
|
|
8753 type = vimvars[i].type;
|
|
|
8754 number = (long)vimvars[i].val;
|
|
|
8755 string = vimvars[i].val;
|
|
|
8756 }
|
|
|
8757
|
|
|
8758 /*
|
|
|
8759 * Check for user-defined variables.
|
|
|
8760 */
|
|
|
8761 else
|
|
|
8762 {
|
|
|
8763 v = find_var(name, FALSE);
|
|
|
8764 if (v != NULL)
|
|
|
8765 {
|
|
|
8766 type = v->var_type;
|
|
|
8767 number = v->var_val.var_number;
|
|
|
8768 string = v->var_val.var_string;
|
|
|
8769 }
|
|
|
8770 }
|
|
|
8771
|
|
|
8772 if (type == VAR_UNKNOWN)
|
|
|
8773 {
|
|
|
8774 if (retvar != NULL)
|
|
|
8775 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8776 ret = FAIL;
|
|
|
8777 }
|
|
|
8778 else if (retvar != NULL)
|
|
|
8779 {
|
|
|
8780 retvar->var_type = type;
|
|
|
8781 if (type == VAR_NUMBER)
|
|
|
8782 retvar->var_val.var_number = number;
|
|
|
8783 else if (type == VAR_STRING)
|
|
|
8784 {
|
|
|
8785 if (string != NULL)
|
|
|
8786 string = vim_strsave(string);
|
|
|
8787 retvar->var_val.var_string = string;
|
|
|
8788 }
|
|
|
8789 }
|
|
|
8790
|
|
|
8791 name[len] = cc;
|
|
|
8792
|
|
|
8793 return ret;
|
|
|
8794 }
|
|
|
8795
|
|
|
8796 /*
|
|
|
8797 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8798 */
|
|
|
8799 static VAR
|
|
|
8800 alloc_var()
|
|
|
8801 {
|
|
|
8802 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8803 }
|
|
|
8804
|
|
|
8805 /*
|
|
|
8806 * Allocate memory for a variable, and assign a string to it.
|
|
|
8807 * The string "s" must have been allocated, it is consumed.
|
|
|
8808 * Return NULL for out of memory, the variable otherwise.
|
|
|
8809 */
|
|
|
8810 static VAR
|
|
|
8811 alloc_string_var(s)
|
|
|
8812 char_u *s;
|
|
|
8813 {
|
|
|
8814 VAR retvar;
|
|
|
8815
|
|
|
8816 retvar = alloc_var();
|
|
|
8817 if (retvar != NULL)
|
|
|
8818 {
|
|
|
8819 retvar->var_type = VAR_STRING;
|
|
|
8820 retvar->var_val.var_string = s;
|
|
|
8821 }
|
|
|
8822 else
|
|
|
8823 vim_free(s);
|
|
|
8824 return retvar;
|
|
|
8825 }
|
|
|
8826
|
|
|
8827 /*
|
|
|
8828 * Free the memory for a variable.
|
|
|
8829 */
|
|
|
8830 static void
|
|
|
8831 free_var(varp)
|
|
|
8832 VAR varp;
|
|
|
8833 {
|
|
|
8834 if (varp != NULL)
|
|
|
8835 {
|
|
|
8836 if (varp->var_type == VAR_STRING)
|
|
|
8837 vim_free(varp->var_val.var_string);
|
|
|
8838 vim_free(varp->var_name);
|
|
|
8839 vim_free(varp);
|
|
|
8840 }
|
|
|
8841 }
|
|
|
8842
|
|
|
8843 /*
|
|
|
8844 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8845 */
|
|
|
8846 static void
|
|
|
8847 clear_var(varp)
|
|
|
8848 VAR varp;
|
|
|
8849 {
|
|
|
8850 if (varp != NULL)
|
|
|
8851 {
|
|
|
8852 if (varp->var_type == VAR_STRING)
|
|
|
8853 {
|
|
|
8854 vim_free(varp->var_val.var_string);
|
|
|
8855 varp->var_val.var_string = NULL;
|
|
|
8856 }
|
|
|
8857 else
|
|
|
8858 varp->var_val.var_number = 0;
|
|
|
8859 }
|
|
|
8860 }
|
|
|
8861
|
|
|
8862 /*
|
|
|
8863 * Get the number value of a variable.
|
|
|
8864 * If it is a String variable, uses vim_str2nr().
|
|
|
8865 */
|
|
|
8866 static long
|
|
|
8867 get_var_number(varp)
|
|
|
8868 VAR varp;
|
|
|
8869 {
|
|
|
8870 long n;
|
|
|
8871
|
|
|
8872 if (varp->var_type == VAR_NUMBER)
|
|
|
8873 return (long)(varp->var_val.var_number);
|
|
|
8874 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8875 return 0L;
|
|
|
8876 else
|
|
|
8877 {
|
|
|
8878 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8879 return n;
|
|
|
8880 }
|
|
|
8881 }
|
|
|
8882
|
|
|
8883 /*
|
|
|
8884 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8885 */
|
|
|
8886 static linenr_T
|
|
|
8887 get_var_lnum(argvars)
|
|
|
8888 VAR argvars;
|
|
|
8889 {
|
|
|
8890 var retvar;
|
|
|
8891 linenr_T lnum;
|
|
|
8892
|
|
|
8893 lnum = get_var_number(&argvars[0]);
|
|
|
8894 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8895 {
|
|
|
8896 retvar.var_type = VAR_NUMBER;
|
|
|
8897 f_line(argvars, &retvar);
|
|
|
8898 lnum = retvar.var_val.var_number;
|
|
|
8899 clear_var(&retvar);
|
|
|
8900 }
|
|
|
8901 return lnum;
|
|
|
8902 }
|
|
|
8903
|
|
|
8904 /*
|
|
|
8905 * Get the string value of a variable.
|
|
|
8906 * If it is a Number variable, the number is converted into a string.
|
|
|
8907 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8908 * get_var_string_buf() uses a given buffer.
|
|
|
8909 * If the String variable has never been set, return an empty string.
|
|
|
8910 * Never returns NULL;
|
|
|
8911 */
|
|
|
8912 static char_u *
|
|
|
8913 get_var_string(varp)
|
|
|
8914 VAR varp;
|
|
|
8915 {
|
|
|
8916 static char_u mybuf[NUMBUFLEN];
|
|
|
8917
|
|
|
8918 return get_var_string_buf(varp, mybuf);
|
|
|
8919 }
|
|
|
8920
|
|
|
8921 static char_u *
|
|
|
8922 get_var_string_buf(varp, buf)
|
|
|
8923 VAR varp;
|
|
|
8924 char_u *buf;
|
|
|
8925 {
|
|
|
8926 if (varp->var_type == VAR_NUMBER)
|
|
|
8927 {
|
|
|
8928 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8929 return buf;
|
|
|
8930 }
|
|
|
8931 else if (varp->var_val.var_string == NULL)
|
|
|
8932 return (char_u *)"";
|
|
|
8933 else
|
|
|
8934 return varp->var_val.var_string;
|
|
|
8935 }
|
|
|
8936
|
|
|
8937 /*
|
|
|
8938 * Find variable "name" in the list of variables.
|
|
|
8939 * Return a pointer to it if found, NULL if not found.
|
|
|
8940 */
|
|
|
8941 static VAR
|
|
|
8942 find_var(name, writing)
|
|
|
8943 char_u *name;
|
|
|
8944 int writing;
|
|
|
8945 {
|
|
|
8946 int i;
|
|
|
8947 char_u *varname;
|
|
|
8948 garray_T *gap;
|
|
|
8949
|
|
|
8950 /* Check for function arguments "a:" */
|
|
|
8951 if (name[0] == 'a' && name[1] == ':')
|
|
|
8952 {
|
|
|
8953 if (writing)
|
|
|
8954 {
|
|
|
8955 EMSG2(_(e_readonlyvar), name);
|
|
|
8956 return NULL;
|
|
|
8957 }
|
|
|
8958 name += 2;
|
|
|
8959 if (current_funccal == NULL)
|
|
|
8960 return NULL;
|
|
|
8961 if (VIM_ISDIGIT(*name))
|
|
|
8962 {
|
|
|
8963 i = atol((char *)name);
|
|
|
8964 if (i == 0) /* a:0 */
|
|
|
8965 return ¤t_funccal->a0_var;
|
|
|
8966 i += current_funccal->func->args.ga_len;
|
|
|
8967 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8968 return NULL;
|
|
|
8969 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8970 }
|
|
|
8971 if (STRCMP(name, "firstline") == 0)
|
|
|
8972 return &(current_funccal->firstline);
|
|
|
8973 if (STRCMP(name, "lastline") == 0)
|
|
|
8974 return &(current_funccal->lastline);
|
|
|
8975 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8976 if (STRCMP(name, ((char_u **)
|
|
|
8977 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8978 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8979 return NULL;
|
|
|
8980 }
|
|
|
8981
|
|
|
8982 gap = find_var_ga(name, &varname);
|
|
|
8983 if (gap == NULL)
|
|
|
8984 return NULL;
|
|
|
8985 return find_var_in_ga(gap, varname);
|
|
|
8986 }
|
|
|
8987
|
|
|
8988 static VAR
|
|
|
8989 find_var_in_ga(gap, varname)
|
|
|
8990 garray_T *gap;
|
|
|
8991 char_u *varname;
|
|
|
8992 {
|
|
|
8993 int i;
|
|
|
8994
|
|
|
8995 for (i = gap->ga_len; --i >= 0; )
|
|
|
8996 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8997 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8998 break;
|
|
|
8999 if (i < 0)
|
|
|
9000 return NULL;
|
|
|
9001 return &VAR_GAP_ENTRY(i, gap);
|
|
|
9002 }
|
|
|
9003
|
|
|
9004 /*
|
|
|
9005 * Find the growarray and start of name without ':' for a variable name.
|
|
|
9006 */
|
|
|
9007 static garray_T *
|
|
|
9008 find_var_ga(name, varname)
|
|
|
9009 char_u *name;
|
|
|
9010 char_u **varname;
|
|
|
9011 {
|
|
|
9012 if (name[1] != ':')
|
|
|
9013 {
|
|
|
9014 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
9015 if (vim_strchr(name, ':') != NULL)
|
|
|
9016 return NULL;
|
|
|
9017 *varname = name;
|
|
|
9018 if (current_funccal == NULL)
|
|
|
9019 return &variables; /* global variable */
|
|
|
9020 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
9021 }
|
|
|
9022 *varname = name + 2;
|
|
|
9023 if (*name == 'b') /* buffer variable */
|
|
|
9024 return &curbuf->b_vars;
|
|
|
9025 if (*name == 'w') /* window variable */
|
|
|
9026 return &curwin->w_vars;
|
|
|
9027 if (*name == 'g') /* global variable */
|
|
|
9028 return &variables;
|
|
|
9029 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
9030 return ¤t_funccal->l_vars;
|
|
|
9031 if (*name == 's' /* script variable */
|
|
|
9032 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
9033 return &SCRIPT_VARS(current_SID);
|
|
|
9034 return NULL;
|
|
|
9035 }
|
|
|
9036
|
|
|
9037 /*
|
|
|
9038 * Get the string value of a (global/local) variable.
|
|
|
9039 * Returns NULL when it doesn't exist.
|
|
|
9040 */
|
|
|
9041 char_u *
|
|
|
9042 get_var_value(name)
|
|
|
9043 char_u *name;
|
|
|
9044 {
|
|
|
9045 VAR v;
|
|
|
9046
|
|
|
9047 v = find_var(name, FALSE);
|
|
|
9048 if (v == NULL)
|
|
|
9049 return NULL;
|
|
|
9050 return get_var_string(v);
|
|
|
9051 }
|
|
|
9052
|
|
|
9053 /*
|
|
|
9054 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
9055 * sourcing this script and when executing functions defined in the script.
|
|
|
9056 */
|
|
|
9057 void
|
|
|
9058 new_script_vars(id)
|
|
|
9059 scid_T id;
|
|
|
9060 {
|
|
|
9061 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
9062 {
|
|
|
9063 while (ga_scripts.ga_len < id)
|
|
|
9064 {
|
|
|
9065 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
9066 ++ga_scripts.ga_len;
|
|
|
9067 --ga_scripts.ga_room;
|
|
|
9068 }
|
|
|
9069 }
|
|
|
9070 }
|
|
|
9071
|
|
|
9072 /*
|
|
|
9073 * Initialize internal variables for use.
|
|
|
9074 */
|
|
|
9075 void
|
|
|
9076 var_init(gap)
|
|
|
9077 garray_T *gap;
|
|
|
9078 {
|
|
|
9079 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
9080 }
|
|
|
9081
|
|
|
9082 /*
|
|
|
9083 * Clean up a list of internal variables.
|
|
|
9084 */
|
|
|
9085 void
|
|
|
9086 var_clear(gap)
|
|
|
9087 garray_T *gap;
|
|
|
9088 {
|
|
|
9089 int i;
|
|
|
9090
|
|
|
9091 for (i = gap->ga_len; --i >= 0; )
|
|
|
9092 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
9093 ga_clear(gap);
|
|
|
9094 }
|
|
|
9095
|
|
|
9096 static void
|
|
|
9097 var_free_one(v)
|
|
|
9098 VAR v;
|
|
|
9099 {
|
|
|
9100 vim_free(v->var_name);
|
|
|
9101 v->var_name = NULL;
|
|
|
9102 if (v->var_type == VAR_STRING)
|
|
|
9103 vim_free(v->var_val.var_string);
|
|
|
9104 v->var_val.var_string = NULL;
|
|
|
9105 }
|
|
|
9106
|
|
|
9107 /*
|
|
|
9108 * List the value of one internal variable.
|
|
|
9109 */
|
|
|
9110 static void
|
|
|
9111 list_one_var(v, prefix)
|
|
|
9112 VAR v;
|
|
|
9113 char_u *prefix;
|
|
|
9114 {
|
|
|
9115 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
9116 }
|
|
|
9117
|
|
|
9118 /*
|
|
|
9119 * List the value of one "v:" variable.
|
|
|
9120 */
|
|
|
9121 static void
|
|
|
9122 list_vim_var(i)
|
|
|
9123 int i; /* index in vimvars[] */
|
|
|
9124 {
|
|
|
9125 char_u *p;
|
|
|
9126 char_u numbuf[NUMBUFLEN];
|
|
|
9127
|
|
|
9128 if (vimvars[i].type == VAR_NUMBER)
|
|
|
9129 {
|
|
|
9130 p = numbuf;
|
|
|
9131 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
9132 }
|
|
|
9133 else if (vimvars[i].val == NULL)
|
|
|
9134 p = (char_u *)"";
|
|
|
9135 else
|
|
|
9136 p = vimvars[i].val;
|
|
|
9137 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
9138 vimvars[i].type, p);
|
|
|
9139 }
|
|
|
9140
|
|
|
9141 static void
|
|
|
9142 list_one_var_a(prefix, name, type, string)
|
|
|
9143 char_u *prefix;
|
|
|
9144 char_u *name;
|
|
|
9145 int type;
|
|
|
9146 char_u *string;
|
|
|
9147 {
|
|
|
9148 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
9149 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
9150 msg_puts(name);
|
|
|
9151 msg_putchar(' ');
|
|
|
9152 msg_advance(22);
|
|
|
9153 if (type == VAR_NUMBER)
|
|
|
9154 msg_putchar('#');
|
|
|
9155 else
|
|
|
9156 msg_putchar(' ');
|
|
|
9157 msg_outtrans(string);
|
|
|
9158 }
|
|
|
9159
|
|
|
9160 /*
|
|
|
9161 * Set variable "name" to value in "varp".
|
|
|
9162 * If the variable already exists, the value is updated.
|
|
|
9163 * Otherwise the variable is created.
|
|
|
9164 */
|
|
|
9165 static void
|
|
|
9166 set_var(name, varp)
|
|
|
9167 char_u *name;
|
|
|
9168 VAR varp;
|
|
|
9169 {
|
|
|
9170 int i;
|
|
|
9171 VAR v;
|
|
|
9172 char_u *varname;
|
|
|
9173 garray_T *gap;
|
|
|
9174
|
|
|
9175 /*
|
|
|
9176 * Handle setting internal v: variables.
|
|
|
9177 */
|
|
|
9178 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
9179 if (i >= 0)
|
|
|
9180 {
|
|
|
9181 if (vimvars[i].flags & VV_RO)
|
|
|
9182 EMSG2(_(e_readonlyvar), name);
|
|
29
|
9183 else if ((vimvars[i].flags & VV_RO_SBX) && sandbox)
|
|
|
9184 EMSG2(_(e_readonlysbx), name);
|
|
7
|
9185 else
|
|
|
9186 {
|
|
|
9187 if (vimvars[i].type == VAR_STRING)
|
|
|
9188 {
|
|
|
9189 vim_free(vimvars[i].val);
|
|
|
9190 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
9191 }
|
|
|
9192 else
|
|
|
9193 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
9194 }
|
|
|
9195 return;
|
|
|
9196 }
|
|
|
9197
|
|
|
9198 v = find_var(name, TRUE);
|
|
|
9199 if (v != NULL) /* existing variable, only need to free string */
|
|
|
9200 {
|
|
|
9201 if (v->var_type == VAR_STRING)
|
|
|
9202 vim_free(v->var_val.var_string);
|
|
|
9203 }
|
|
|
9204 else /* add a new variable */
|
|
|
9205 {
|
|
|
9206 gap = find_var_ga(name, &varname);
|
|
|
9207 if (gap == NULL) /* illegal name */
|
|
|
9208 {
|
|
|
9209 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
9210 return;
|
|
|
9211 }
|
|
|
9212
|
|
|
9213 /* Try to use an empty entry */
|
|
|
9214 for (i = gap->ga_len; --i >= 0; )
|
|
|
9215 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
9216 break;
|
|
|
9217 if (i < 0) /* need to allocate more room */
|
|
|
9218 {
|
|
|
9219 if (ga_grow(gap, 1) == FAIL)
|
|
|
9220 return;
|
|
|
9221 i = gap->ga_len;
|
|
|
9222 }
|
|
|
9223 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
9224 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
9225 return;
|
|
|
9226 if (i == gap->ga_len)
|
|
|
9227 {
|
|
|
9228 ++gap->ga_len;
|
|
|
9229 --gap->ga_room;
|
|
|
9230 }
|
|
|
9231 }
|
|
|
9232 copy_var(varp, v);
|
|
|
9233 }
|
|
|
9234
|
|
|
9235 static void
|
|
|
9236 copy_var(from, to)
|
|
|
9237 VAR from;
|
|
|
9238 VAR to;
|
|
|
9239 {
|
|
|
9240 to->var_type = from->var_type;
|
|
|
9241 if (from->var_type == VAR_STRING)
|
|
|
9242 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
9243 else
|
|
|
9244 to->var_val.var_number = from->var_val.var_number;
|
|
|
9245 }
|
|
|
9246
|
|
|
9247 /*
|
|
|
9248 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
9249 * newline at the end.
|
|
|
9250 * ":echon expr1 ..." print each argument plain.
|
|
|
9251 */
|
|
|
9252 void
|
|
|
9253 ex_echo(eap)
|
|
|
9254 exarg_T *eap;
|
|
|
9255 {
|
|
|
9256 char_u *arg = eap->arg;
|
|
|
9257 var retvar;
|
|
|
9258 char_u *p;
|
|
|
9259 int needclr = TRUE;
|
|
|
9260 int atstart = TRUE;
|
|
|
9261
|
|
|
9262 if (eap->skip)
|
|
|
9263 ++emsg_skip;
|
|
|
9264 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
9265 {
|
|
|
9266 p = arg;
|
|
|
9267 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
9268 {
|
|
|
9269 /*
|
|
|
9270 * Report the invalid expression unless the expression evaluation
|
|
|
9271 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
9272 * exception.
|
|
|
9273 */
|
|
|
9274 if (!aborting())
|
|
|
9275 EMSG2(_(e_invexpr2), p);
|
|
|
9276 break;
|
|
|
9277 }
|
|
|
9278 if (!eap->skip)
|
|
|
9279 {
|
|
|
9280 if (atstart)
|
|
|
9281 {
|
|
|
9282 atstart = FALSE;
|
|
|
9283 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
9284 * may cause a message to appear. */
|
|
|
9285 if (eap->cmdidx == CMD_echo)
|
|
|
9286 msg_start();
|
|
|
9287 }
|
|
|
9288 else if (eap->cmdidx == CMD_echo)
|
|
|
9289 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
9290 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
9291 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
9292 {
|
|
|
9293 if (*p != TAB && needclr)
|
|
|
9294 {
|
|
|
9295 /* remove any text still there from the command */
|
|
|
9296 msg_clr_eos();
|
|
|
9297 needclr = FALSE;
|
|
|
9298 }
|
|
|
9299 msg_putchar_attr(*p, echo_attr);
|
|
|
9300 }
|
|
|
9301 else
|
|
|
9302 {
|
|
|
9303 #ifdef FEAT_MBYTE
|
|
|
9304 if (has_mbyte)
|
|
|
9305 {
|
|
|
9306 int i = (*mb_ptr2len_check)(p);
|
|
|
9307
|
|
|
9308 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
9309 p += i - 1;
|
|
|
9310 }
|
|
|
9311 else
|
|
|
9312 #endif
|
|
|
9313 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
9314 }
|
|
|
9315 }
|
|
|
9316 clear_var(&retvar);
|
|
|
9317 arg = skipwhite(arg);
|
|
|
9318 }
|
|
|
9319 eap->nextcmd = check_nextcmd(arg);
|
|
|
9320
|
|
|
9321 if (eap->skip)
|
|
|
9322 --emsg_skip;
|
|
|
9323 else
|
|
|
9324 {
|
|
|
9325 /* remove text that may still be there from the command */
|
|
|
9326 if (needclr)
|
|
|
9327 msg_clr_eos();
|
|
|
9328 if (eap->cmdidx == CMD_echo)
|
|
|
9329 msg_end();
|
|
|
9330 }
|
|
|
9331 }
|
|
|
9332
|
|
|
9333 /*
|
|
|
9334 * ":echohl {name}".
|
|
|
9335 */
|
|
|
9336 void
|
|
|
9337 ex_echohl(eap)
|
|
|
9338 exarg_T *eap;
|
|
|
9339 {
|
|
|
9340 int id;
|
|
|
9341
|
|
|
9342 id = syn_name2id(eap->arg);
|
|
|
9343 if (id == 0)
|
|
|
9344 echo_attr = 0;
|
|
|
9345 else
|
|
|
9346 echo_attr = syn_id2attr(id);
|
|
|
9347 }
|
|
|
9348
|
|
|
9349 /*
|
|
|
9350 * ":execute expr1 ..." execute the result of an expression.
|
|
|
9351 * ":echomsg expr1 ..." Print a message
|
|
|
9352 * ":echoerr expr1 ..." Print an error
|
|
|
9353 * Each gets spaces around each argument and a newline at the end for
|
|
|
9354 * echo commands
|
|
|
9355 */
|
|
|
9356 void
|
|
|
9357 ex_execute(eap)
|
|
|
9358 exarg_T *eap;
|
|
|
9359 {
|
|
|
9360 char_u *arg = eap->arg;
|
|
|
9361 var retvar;
|
|
|
9362 int ret = OK;
|
|
|
9363 char_u *p;
|
|
|
9364 garray_T ga;
|
|
|
9365 int len;
|
|
|
9366 int save_did_emsg;
|
|
|
9367
|
|
|
9368 ga_init2(&ga, 1, 80);
|
|
|
9369
|
|
|
9370 if (eap->skip)
|
|
|
9371 ++emsg_skip;
|
|
|
9372 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9373 {
|
|
|
9374 p = arg;
|
|
|
9375 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
9376 {
|
|
|
9377 /*
|
|
|
9378 * Report the invalid expression unless the expression evaluation
|
|
|
9379 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
9380 * exception.
|
|
|
9381 */
|
|
|
9382 if (!aborting())
|
|
|
9383 EMSG2(_(e_invexpr2), p);
|
|
|
9384 ret = FAIL;
|
|
|
9385 break;
|
|
|
9386 }
|
|
|
9387
|
|
|
9388 if (!eap->skip)
|
|
|
9389 {
|
|
|
9390 p = get_var_string(&retvar);
|
|
|
9391 len = (int)STRLEN(p);
|
|
|
9392 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
9393 {
|
|
|
9394 clear_var(&retvar);
|
|
|
9395 ret = FAIL;
|
|
|
9396 break;
|
|
|
9397 }
|
|
|
9398 if (ga.ga_len)
|
|
|
9399 {
|
|
|
9400 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
9401 --ga.ga_room;
|
|
|
9402 }
|
|
|
9403 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
9404 ga.ga_room -= len;
|
|
|
9405 ga.ga_len += len;
|
|
|
9406 }
|
|
|
9407
|
|
|
9408 clear_var(&retvar);
|
|
|
9409 arg = skipwhite(arg);
|
|
|
9410 }
|
|
|
9411
|
|
|
9412 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
9413 {
|
|
|
9414 if (eap->cmdidx == CMD_echomsg)
|
|
|
9415 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
9416 else if (eap->cmdidx == CMD_echoerr)
|
|
|
9417 {
|
|
|
9418 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
9419 save_did_emsg = did_emsg;
|
|
|
9420 EMSG((char_u *)ga.ga_data);
|
|
|
9421 if (!force_abort)
|
|
|
9422 did_emsg = save_did_emsg;
|
|
|
9423 }
|
|
|
9424 else if (eap->cmdidx == CMD_execute)
|
|
|
9425 do_cmdline((char_u *)ga.ga_data,
|
|
|
9426 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
9427 }
|
|
|
9428
|
|
|
9429 ga_clear(&ga);
|
|
|
9430
|
|
|
9431 if (eap->skip)
|
|
|
9432 --emsg_skip;
|
|
|
9433
|
|
|
9434 eap->nextcmd = check_nextcmd(arg);
|
|
|
9435 }
|
|
|
9436
|
|
|
9437 /*
|
|
|
9438 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
9439 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
9440 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
9441 * after the option name.
|
|
|
9442 */
|
|
|
9443 static char_u *
|
|
|
9444 find_option_end(arg, opt_flags)
|
|
|
9445 char_u **arg;
|
|
|
9446 int *opt_flags;
|
|
|
9447 {
|
|
|
9448 char_u *p = *arg;
|
|
|
9449
|
|
|
9450 ++p;
|
|
|
9451 if (*p == 'g' && p[1] == ':')
|
|
|
9452 {
|
|
|
9453 *opt_flags = OPT_GLOBAL;
|
|
|
9454 p += 2;
|
|
|
9455 }
|
|
|
9456 else if (*p == 'l' && p[1] == ':')
|
|
|
9457 {
|
|
|
9458 *opt_flags = OPT_LOCAL;
|
|
|
9459 p += 2;
|
|
|
9460 }
|
|
|
9461 else
|
|
|
9462 *opt_flags = 0;
|
|
|
9463
|
|
|
9464 if (!ASCII_ISALPHA(*p))
|
|
|
9465 return NULL;
|
|
|
9466 *arg = p;
|
|
|
9467
|
|
|
9468 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
9469 p += 4; /* termcap option */
|
|
|
9470 else
|
|
|
9471 while (ASCII_ISALPHA(*p))
|
|
|
9472 ++p;
|
|
|
9473 return p;
|
|
|
9474 }
|
|
|
9475
|
|
|
9476 /*
|
|
|
9477 * ":function"
|
|
|
9478 */
|
|
|
9479 void
|
|
|
9480 ex_function(eap)
|
|
|
9481 exarg_T *eap;
|
|
|
9482 {
|
|
|
9483 char_u *theline;
|
|
|
9484 int j;
|
|
|
9485 int c;
|
|
|
9486 #ifdef FEAT_MAGIC_BRACES
|
|
|
9487 int saved_did_emsg;
|
|
|
9488 #endif
|
|
|
9489 char_u *name = NULL;
|
|
|
9490 char_u *p;
|
|
|
9491 char_u *arg;
|
|
|
9492 garray_T newargs;
|
|
|
9493 garray_T newlines;
|
|
|
9494 int varargs = FALSE;
|
|
|
9495 int mustend = FALSE;
|
|
|
9496 int flags = 0;
|
|
|
9497 ufunc_T *fp;
|
|
|
9498 int indent;
|
|
|
9499 int nesting;
|
|
|
9500 char_u *skip_until = NULL;
|
|
|
9501 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
9502
|
|
|
9503 /*
|
|
|
9504 * ":function" without argument: list functions.
|
|
|
9505 */
|
|
|
9506 if (ends_excmd(*eap->arg))
|
|
|
9507 {
|
|
|
9508 if (!eap->skip)
|
|
|
9509 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
9510 list_func_head(fp, FALSE);
|
|
|
9511 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
9512 return;
|
|
|
9513 }
|
|
|
9514
|
|
|
9515 p = eap->arg;
|
|
|
9516 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9517 if (name == NULL && !eap->skip)
|
|
|
9518 {
|
|
|
9519 /*
|
|
|
9520 * Return on an invalid expression in braces, unless the expression
|
|
|
9521 * evaluation has been cancelled due to an aborting error, an
|
|
|
9522 * interrupt, or an exception.
|
|
|
9523 */
|
|
|
9524 if (!aborting())
|
|
|
9525 return;
|
|
|
9526 else
|
|
|
9527 eap->skip = TRUE;
|
|
|
9528 }
|
|
|
9529 #ifdef FEAT_MAGIC_BRACES
|
|
|
9530 /* An error in a function call during evaluation of an expression in magic
|
|
|
9531 * braces should not cause the function not to be defined. */
|
|
|
9532 saved_did_emsg = did_emsg;
|
|
|
9533 did_emsg = FALSE;
|
|
|
9534 #endif
|
|
|
9535
|
|
|
9536 /*
|
|
|
9537 * ":function func" with only function name: list function.
|
|
|
9538 */
|
|
|
9539 if (vim_strchr(p, '(') == NULL)
|
|
|
9540 {
|
|
|
9541 if (!ends_excmd(*skipwhite(p)))
|
|
|
9542 {
|
|
|
9543 EMSG(_(e_trailing));
|
|
|
9544 goto erret_name;
|
|
|
9545 }
|
|
|
9546 eap->nextcmd = check_nextcmd(p);
|
|
|
9547 if (eap->nextcmd != NULL)
|
|
|
9548 *p = NUL;
|
|
|
9549 if (!eap->skip && !got_int)
|
|
|
9550 {
|
|
|
9551 fp = find_func(name);
|
|
|
9552 if (fp != NULL)
|
|
|
9553 {
|
|
|
9554 list_func_head(fp, TRUE);
|
|
|
9555 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
9556 {
|
|
|
9557 msg_putchar('\n');
|
|
|
9558 msg_outnum((long)(j + 1));
|
|
|
9559 if (j < 9)
|
|
|
9560 msg_putchar(' ');
|
|
|
9561 if (j < 99)
|
|
|
9562 msg_putchar(' ');
|
|
|
9563 msg_prt_line(FUNCLINE(fp, j));
|
|
|
9564 out_flush(); /* show a line at a time */
|
|
|
9565 ui_breakcheck();
|
|
|
9566 }
|
|
|
9567 if (!got_int)
|
|
|
9568 {
|
|
|
9569 msg_putchar('\n');
|
|
|
9570 msg_puts((char_u *)" endfunction");
|
|
|
9571 }
|
|
|
9572 }
|
|
|
9573 else
|
|
|
9574 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
9575 }
|
|
|
9576 goto erret_name;
|
|
|
9577 }
|
|
|
9578
|
|
|
9579 /*
|
|
|
9580 * ":function name(arg1, arg2)" Define function.
|
|
|
9581 */
|
|
|
9582 p = skipwhite(p);
|
|
|
9583 if (*p != '(')
|
|
|
9584 {
|
|
|
9585 if (!eap->skip)
|
|
|
9586 {
|
|
|
9587 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
9588 goto erret_name;
|
|
|
9589 }
|
|
|
9590 /* attempt to continue by skipping some text */
|
|
|
9591 if (vim_strchr(p, '(') != NULL)
|
|
|
9592 p = vim_strchr(p, '(');
|
|
|
9593 }
|
|
|
9594 p = skipwhite(p + 1);
|
|
|
9595
|
|
|
9596 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
9597 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
9598
|
|
|
9599 /*
|
|
|
9600 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
9601 */
|
|
|
9602 while (*p != ')')
|
|
|
9603 {
|
|
|
9604 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
9605 {
|
|
|
9606 varargs = TRUE;
|
|
|
9607 p += 3;
|
|
|
9608 mustend = TRUE;
|
|
|
9609 }
|
|
|
9610 else
|
|
|
9611 {
|
|
|
9612 arg = p;
|
|
|
9613 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
9614 ++p;
|
|
|
9615 if (arg == p || isdigit(*arg)
|
|
|
9616 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
9617 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
9618 {
|
|
|
9619 if (!eap->skip)
|
|
|
9620 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
9621 break;
|
|
|
9622 }
|
|
|
9623 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
9624 goto erret;
|
|
|
9625 c = *p;
|
|
|
9626 *p = NUL;
|
|
|
9627 arg = vim_strsave(arg);
|
|
|
9628 if (arg == NULL)
|
|
|
9629 goto erret;
|
|
|
9630 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
9631 *p = c;
|
|
|
9632 newargs.ga_len++;
|
|
|
9633 newargs.ga_room--;
|
|
|
9634 if (*p == ',')
|
|
|
9635 ++p;
|
|
|
9636 else
|
|
|
9637 mustend = TRUE;
|
|
|
9638 }
|
|
|
9639 p = skipwhite(p);
|
|
|
9640 if (mustend && *p != ')')
|
|
|
9641 {
|
|
|
9642 if (!eap->skip)
|
|
|
9643 EMSG2(_(e_invarg2), eap->arg);
|
|
|
9644 break;
|
|
|
9645 }
|
|
|
9646 }
|
|
|
9647 ++p; /* skip the ')' */
|
|
|
9648
|
|
|
9649 /* find extra arguments "range" and "abort" */
|
|
|
9650 for (;;)
|
|
|
9651 {
|
|
|
9652 p = skipwhite(p);
|
|
|
9653 if (STRNCMP(p, "range", 5) == 0)
|
|
|
9654 {
|
|
|
9655 flags |= FC_RANGE;
|
|
|
9656 p += 5;
|
|
|
9657 }
|
|
|
9658 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
9659 {
|
|
|
9660 flags |= FC_ABORT;
|
|
|
9661 p += 5;
|
|
|
9662 }
|
|
|
9663 else
|
|
|
9664 break;
|
|
|
9665 }
|
|
|
9666
|
|
|
9667 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
9668 EMSG(_(e_trailing));
|
|
|
9669
|
|
|
9670 /*
|
|
|
9671 * Read the body of the function, until ":endfunction" is found.
|
|
|
9672 */
|
|
|
9673 if (KeyTyped)
|
|
|
9674 {
|
|
|
9675 /* Check if the function already exists, don't let the user type the
|
|
|
9676 * whole function before telling him it doesn't work! For a script we
|
|
|
9677 * need to skip the body to be able to find what follows. */
|
|
|
9678 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
9679 EMSG2(_(e_funcexts), name);
|
|
|
9680
|
|
|
9681 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
9682 cmdline_row = msg_row;
|
|
|
9683 }
|
|
|
9684
|
|
|
9685 indent = 2;
|
|
|
9686 nesting = 0;
|
|
|
9687 for (;;)
|
|
|
9688 {
|
|
|
9689 msg_scroll = TRUE;
|
|
|
9690 need_wait_return = FALSE;
|
|
|
9691 if (eap->getline == NULL)
|
|
|
9692 theline = getcmdline(':', 0L, indent);
|
|
|
9693 else
|
|
|
9694 theline = eap->getline(':', eap->cookie, indent);
|
|
|
9695 if (KeyTyped)
|
|
|
9696 lines_left = Rows - 1;
|
|
|
9697 if (theline == NULL)
|
|
|
9698 {
|
|
|
9699 EMSG(_("E126: Missing :endfunction"));
|
|
|
9700 goto erret;
|
|
|
9701 }
|
|
|
9702
|
|
|
9703 if (skip_until != NULL)
|
|
|
9704 {
|
|
|
9705 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9706 * don't check for ":endfunc". */
|
|
|
9707 if (STRCMP(theline, skip_until) == 0)
|
|
|
9708 {
|
|
|
9709 vim_free(skip_until);
|
|
|
9710 skip_until = NULL;
|
|
|
9711 }
|
|
|
9712 }
|
|
|
9713 else
|
|
|
9714 {
|
|
|
9715 /* skip ':' and blanks*/
|
|
|
9716 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9717 ;
|
|
|
9718
|
|
|
9719 /* Check for "endfunction" (should be more strict...). */
|
|
|
9720 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9721 {
|
|
|
9722 vim_free(theline);
|
|
|
9723 break;
|
|
|
9724 }
|
|
|
9725
|
|
|
9726 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9727 * at "end". */
|
|
|
9728 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9729 indent -= 2;
|
|
|
9730 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9731 || STRNCMP(p, "try", 3) == 0)
|
|
|
9732 indent += 2;
|
|
|
9733
|
|
|
9734 /* Check for defining a function inside this function. */
|
|
|
9735 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9736 {
|
|
|
9737 p = skipwhite(skiptowhite(p));
|
|
|
9738 p += eval_fname_script(p);
|
|
|
9739 if (ASCII_ISALPHA(*p))
|
|
|
9740 {
|
|
|
9741 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9742 if (*skipwhite(p) == '(')
|
|
|
9743 {
|
|
|
9744 ++nesting;
|
|
|
9745 indent += 2;
|
|
|
9746 }
|
|
|
9747 }
|
|
|
9748 }
|
|
|
9749
|
|
|
9750 /* Check for ":append" or ":insert". */
|
|
|
9751 p = skip_range(p, NULL);
|
|
|
9752 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9753 || (p[0] == 'i'
|
|
|
9754 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9755 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9756 skip_until = vim_strsave((char_u *)".");
|
|
|
9757
|
|
|
9758 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9759 arg = skipwhite(skiptowhite(p));
|
|
|
9760 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9761 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9762 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9763 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9764 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9765 || (p[0] == 't' && p[1] == 'c'
|
|
|
9766 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9767 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9768 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
14
|
9769 || (p[0] == 'm' && p[1] == 'z'
|
|
|
9770 && (!ASCII_ISALPHA(p[2]) || p[2] == 's'))
|
|
7
|
9771 ))
|
|
|
9772 {
|
|
|
9773 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9774 p = skipwhite(arg + 2);
|
|
|
9775 if (*p == NUL)
|
|
|
9776 skip_until = vim_strsave((char_u *)".");
|
|
|
9777 else
|
|
|
9778 skip_until = vim_strsave(p);
|
|
|
9779 }
|
|
|
9780 }
|
|
|
9781
|
|
|
9782 /* Add the line to the function. */
|
|
|
9783 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9784 goto erret;
|
|
|
9785 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9786 newlines.ga_len++;
|
|
|
9787 newlines.ga_room--;
|
|
|
9788 }
|
|
|
9789
|
|
|
9790 /* Don't define the function when skipping commands or when an error was
|
|
|
9791 * detected. */
|
|
|
9792 if (eap->skip || did_emsg)
|
|
|
9793 goto erret;
|
|
|
9794
|
|
|
9795 /*
|
|
|
9796 * If there are no errors, add the function
|
|
|
9797 */
|
|
|
9798 fp = find_func(name);
|
|
|
9799 if (fp != NULL)
|
|
|
9800 {
|
|
|
9801 if (!eap->forceit)
|
|
|
9802 {
|
|
|
9803 EMSG2(_(e_funcexts), name);
|
|
|
9804 goto erret;
|
|
|
9805 }
|
|
|
9806 if (fp->calls)
|
|
|
9807 {
|
|
|
9808 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9809 goto erret;
|
|
|
9810 }
|
|
|
9811 /* redefine existing function */
|
|
|
9812 ga_clear_strings(&(fp->args));
|
|
|
9813 ga_clear_strings(&(fp->lines));
|
|
|
9814 vim_free(name);
|
|
|
9815 }
|
|
|
9816 else
|
|
|
9817 {
|
|
|
9818 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9819 if (fp == NULL)
|
|
|
9820 goto erret;
|
|
|
9821 /* insert the new function in the function list */
|
|
|
9822 fp->next = firstfunc;
|
|
|
9823 firstfunc = fp;
|
|
|
9824 fp->name = name;
|
|
|
9825 }
|
|
|
9826 fp->args = newargs;
|
|
|
9827 fp->lines = newlines;
|
|
|
9828 fp->varargs = varargs;
|
|
|
9829 fp->flags = flags;
|
|
|
9830 fp->calls = 0;
|
|
|
9831 fp->script_ID = current_SID;
|
|
|
9832 #ifdef FEAT_MAGIC_BRACES
|
|
|
9833 did_emsg |= saved_did_emsg;
|
|
|
9834 #endif
|
|
|
9835 vim_free(skip_until);
|
|
|
9836 return;
|
|
|
9837
|
|
|
9838 erret:
|
|
|
9839 vim_free(skip_until);
|
|
|
9840 ga_clear_strings(&newargs);
|
|
|
9841 ga_clear_strings(&newlines);
|
|
|
9842 erret_name:
|
|
|
9843 vim_free(name);
|
|
|
9844 #ifdef FEAT_MAGIC_BRACES
|
|
|
9845 did_emsg |= saved_did_emsg;
|
|
|
9846 #endif
|
|
|
9847 }
|
|
|
9848
|
|
|
9849 /*
|
|
|
9850 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9851 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9852 * Advances "pp" to just after the function name (if no error).
|
|
|
9853 */
|
|
|
9854 static char_u *
|
|
|
9855 trans_function_name(pp, skip, internal)
|
|
|
9856 char_u **pp;
|
|
|
9857 int skip; /* only find the end, don't evaluate */
|
|
|
9858 int internal; /* TRUE if internal function name OK */
|
|
|
9859 {
|
|
|
9860 char_u *name;
|
|
|
9861 char_u *start;
|
|
|
9862 char_u *end;
|
|
|
9863 int lead;
|
|
|
9864 char_u sid_buf[20];
|
|
|
9865 char_u *temp_string = NULL;
|
|
|
9866 char_u *expr_start, *expr_end;
|
|
|
9867 int len;
|
|
|
9868
|
|
|
9869 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9870 start = *pp;
|
|
|
9871 lead = eval_fname_script(start);
|
|
|
9872 if (lead > 0)
|
|
|
9873 start += lead;
|
|
|
9874 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9875 if (end == start)
|
|
|
9876 {
|
|
|
9877 if (!skip)
|
|
|
9878 EMSG(_("E129: Function name required"));
|
|
|
9879 return NULL;
|
|
|
9880 }
|
|
|
9881 #ifdef FEAT_MAGIC_BRACES
|
|
|
9882 if (expr_start != NULL && !skip)
|
|
|
9883 {
|
|
|
9884 /* expand magic curlies */
|
|
|
9885 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9886 if (temp_string == NULL)
|
|
|
9887 {
|
|
|
9888 /*
|
|
|
9889 * Report an invalid expression in braces, unless the expression
|
|
|
9890 * evaluation has been cancelled due to an aborting error, an
|
|
|
9891 * interrupt, or an exception.
|
|
|
9892 */
|
|
|
9893 if (!aborting())
|
|
|
9894 EMSG2(_(e_invarg2), start);
|
|
|
9895 else
|
|
|
9896 *pp = end;
|
|
|
9897 return NULL;
|
|
|
9898 }
|
|
|
9899 start = temp_string;
|
|
|
9900 len = (int)STRLEN(temp_string);
|
|
|
9901 }
|
|
|
9902 else
|
|
|
9903 #endif
|
|
|
9904 len = (int)(end - start);
|
|
|
9905
|
|
|
9906 /*
|
|
|
9907 * Copy the function name to allocated memory.
|
|
|
9908 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9909 * Accept <SNR>123_name() outside a script.
|
|
|
9910 */
|
|
|
9911 if (skip)
|
|
|
9912 lead = 0; /* do nothing */
|
|
|
9913 else if (lead > 0)
|
|
|
9914 {
|
|
|
9915 lead = 3;
|
|
|
9916 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9917 {
|
|
|
9918 if (current_SID <= 0)
|
|
|
9919 {
|
|
|
9920 EMSG(_(e_usingsid));
|
|
|
9921 return NULL;
|
|
|
9922 }
|
|
|
9923 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9924 lead += (int)STRLEN(sid_buf);
|
|
|
9925 }
|
|
|
9926 }
|
|
|
9927 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9928 {
|
|
|
9929 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9930 return NULL;
|
|
|
9931 }
|
|
|
9932 name = alloc((unsigned)(len + lead + 1));
|
|
|
9933 if (name != NULL)
|
|
|
9934 {
|
|
|
9935 if (lead > 0)
|
|
|
9936 {
|
|
|
9937 name[0] = K_SPECIAL;
|
|
|
9938 name[1] = KS_EXTRA;
|
|
|
9939 name[2] = (int)KE_SNR;
|
|
|
9940 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9941 STRCPY(name + 3, sid_buf);
|
|
|
9942 }
|
|
|
9943 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9944 name[len + lead] = NUL;
|
|
|
9945 }
|
|
|
9946 *pp = end;
|
|
|
9947
|
|
|
9948 vim_free(temp_string);
|
|
|
9949 return name;
|
|
|
9950 }
|
|
|
9951
|
|
|
9952 /*
|
|
|
9953 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9954 * Return 2 if "p" starts with "s:".
|
|
|
9955 * Return 0 otherwise.
|
|
|
9956 */
|
|
|
9957 static int
|
|
|
9958 eval_fname_script(p)
|
|
|
9959 char_u *p;
|
|
|
9960 {
|
|
|
9961 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9962 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9963 return 5;
|
|
|
9964 if (p[0] == 's' && p[1] == ':')
|
|
|
9965 return 2;
|
|
|
9966 return 0;
|
|
|
9967 }
|
|
|
9968
|
|
|
9969 /*
|
|
|
9970 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9971 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9972 */
|
|
|
9973 static int
|
|
|
9974 eval_fname_sid(p)
|
|
|
9975 char_u *p;
|
|
|
9976 {
|
|
|
9977 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9978 }
|
|
|
9979
|
|
|
9980 /*
|
|
|
9981 * List the head of the function: "name(arg1, arg2)".
|
|
|
9982 */
|
|
|
9983 static void
|
|
|
9984 list_func_head(fp, indent)
|
|
|
9985 ufunc_T *fp;
|
|
|
9986 int indent;
|
|
|
9987 {
|
|
|
9988 int j;
|
|
|
9989
|
|
|
9990 msg_start();
|
|
|
9991 if (indent)
|
|
|
9992 MSG_PUTS(" ");
|
|
|
9993 MSG_PUTS("function ");
|
|
|
9994 if (fp->name[0] == K_SPECIAL)
|
|
|
9995 {
|
|
|
9996 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9997 msg_puts(fp->name + 3);
|
|
|
9998 }
|
|
|
9999 else
|
|
|
10000 msg_puts(fp->name);
|
|
|
10001 msg_putchar('(');
|
|
|
10002 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
10003 {
|
|
|
10004 if (j)
|
|
|
10005 MSG_PUTS(", ");
|
|
|
10006 msg_puts(FUNCARG(fp, j));
|
|
|
10007 }
|
|
|
10008 if (fp->varargs)
|
|
|
10009 {
|
|
|
10010 if (j)
|
|
|
10011 MSG_PUTS(", ");
|
|
|
10012 MSG_PUTS("...");
|
|
|
10013 }
|
|
|
10014 msg_putchar(')');
|
|
|
10015 }
|
|
|
10016
|
|
|
10017 /*
|
|
|
10018 * Find a function by name, return pointer to it in ufuncs.
|
|
|
10019 * Return NULL for unknown function.
|
|
|
10020 */
|
|
|
10021 static ufunc_T *
|
|
|
10022 find_func(name)
|
|
|
10023 char_u *name;
|
|
|
10024 {
|
|
|
10025 ufunc_T *fp;
|
|
|
10026
|
|
|
10027 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
10028 if (STRCMP(name, fp->name) == 0)
|
|
|
10029 break;
|
|
|
10030 return fp;
|
|
|
10031 }
|
|
|
10032
|
|
|
10033 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
10034
|
|
|
10035 /*
|
|
|
10036 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
10037 * function names.
|
|
|
10038 */
|
|
|
10039 char_u *
|
|
|
10040 get_user_func_name(xp, idx)
|
|
|
10041 expand_T *xp;
|
|
|
10042 int idx;
|
|
|
10043 {
|
|
|
10044 static ufunc_T *fp = NULL;
|
|
|
10045
|
|
|
10046 if (idx == 0)
|
|
|
10047 fp = firstfunc;
|
|
|
10048 if (fp != NULL)
|
|
|
10049 {
|
|
|
10050 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
10051 return fp->name; /* prevents overflow */
|
|
|
10052
|
|
|
10053 cat_func_name(IObuff, fp);
|
|
|
10054 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
10055 {
|
|
|
10056 STRCAT(IObuff, "(");
|
|
|
10057 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
10058 STRCAT(IObuff, ")");
|
|
|
10059 }
|
|
|
10060
|
|
|
10061 fp = fp->next;
|
|
|
10062 return IObuff;
|
|
|
10063 }
|
|
|
10064 return NULL;
|
|
|
10065 }
|
|
|
10066
|
|
|
10067 #endif /* FEAT_CMDL_COMPL */
|
|
|
10068
|
|
|
10069 /*
|
|
|
10070 * Copy the function name of "fp" to buffer "buf".
|
|
|
10071 * "buf" must be able to hold the function name plus three bytes.
|
|
|
10072 * Takes care of script-local function names.
|
|
|
10073 */
|
|
|
10074 static void
|
|
|
10075 cat_func_name(buf, fp)
|
|
|
10076 char_u *buf;
|
|
|
10077 ufunc_T *fp;
|
|
|
10078 {
|
|
|
10079 if (fp->name[0] == K_SPECIAL)
|
|
|
10080 {
|
|
|
10081 STRCPY(buf, "<SNR>");
|
|
|
10082 STRCAT(buf, fp->name + 3);
|
|
|
10083 }
|
|
|
10084 else
|
|
|
10085 STRCPY(buf, fp->name);
|
|
|
10086 }
|
|
|
10087
|
|
|
10088 /*
|
|
|
10089 * ":delfunction {name}"
|
|
|
10090 */
|
|
|
10091 void
|
|
|
10092 ex_delfunction(eap)
|
|
|
10093 exarg_T *eap;
|
|
|
10094 {
|
|
|
10095 ufunc_T *fp = NULL, *pfp;
|
|
|
10096 char_u *p;
|
|
|
10097 char_u *name;
|
|
|
10098
|
|
|
10099 p = eap->arg;
|
|
|
10100 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
10101 if (name == NULL)
|
|
|
10102 return;
|
|
|
10103 if (!ends_excmd(*skipwhite(p)))
|
|
|
10104 {
|
|
|
10105 vim_free(name);
|
|
|
10106 EMSG(_(e_trailing));
|
|
|
10107 return;
|
|
|
10108 }
|
|
|
10109 eap->nextcmd = check_nextcmd(p);
|
|
|
10110 if (eap->nextcmd != NULL)
|
|
|
10111 *p = NUL;
|
|
|
10112
|
|
|
10113 if (!eap->skip)
|
|
|
10114 fp = find_func(name);
|
|
|
10115 vim_free(name);
|
|
|
10116
|
|
|
10117 if (!eap->skip)
|
|
|
10118 {
|
|
|
10119 if (fp == NULL)
|
|
|
10120 {
|
|
|
10121 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
10122 return;
|
|
|
10123 }
|
|
|
10124 if (fp->calls)
|
|
|
10125 {
|
|
|
10126 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
10127 return;
|
|
|
10128 }
|
|
|
10129
|
|
|
10130 /* clear this function */
|
|
|
10131 vim_free(fp->name);
|
|
|
10132 ga_clear_strings(&(fp->args));
|
|
|
10133 ga_clear_strings(&(fp->lines));
|
|
|
10134
|
|
|
10135 /* remove the function from the function list */
|
|
|
10136 if (firstfunc == fp)
|
|
|
10137 firstfunc = fp->next;
|
|
|
10138 else
|
|
|
10139 {
|
|
|
10140 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
10141 if (pfp->next == fp)
|
|
|
10142 {
|
|
|
10143 pfp->next = fp->next;
|
|
|
10144 break;
|
|
|
10145 }
|
|
|
10146 }
|
|
|
10147 vim_free(fp);
|
|
|
10148 }
|
|
|
10149 }
|
|
|
10150
|
|
|
10151 /*
|
|
|
10152 * Call a user function.
|
|
|
10153 */
|
|
|
10154 static void
|
|
|
10155 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
10156 ufunc_T *fp; /* pointer to function */
|
|
|
10157 int argcount; /* nr of args */
|
|
|
10158 VAR argvars; /* arguments */
|
|
|
10159 VAR retvar; /* return value */
|
|
|
10160 linenr_T firstline; /* first line of range */
|
|
|
10161 linenr_T lastline; /* last line of range */
|
|
|
10162 {
|
|
|
10163 char_u *save_sourcing_name;
|
|
|
10164 linenr_T save_sourcing_lnum;
|
|
|
10165 scid_T save_current_SID;
|
|
|
10166 struct funccall fc;
|
|
|
10167 struct funccall *save_fcp = current_funccal;
|
|
|
10168 int save_did_emsg;
|
|
|
10169 static int depth = 0;
|
|
|
10170
|
|
|
10171 /* If depth of calling is getting too high, don't execute the function */
|
|
|
10172 if (depth >= p_mfd)
|
|
|
10173 {
|
|
|
10174 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
10175 retvar->var_type = VAR_NUMBER;
|
|
|
10176 retvar->var_val.var_number = -1;
|
|
|
10177 return;
|
|
|
10178 }
|
|
|
10179 ++depth;
|
|
|
10180
|
|
|
10181 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
10182
|
|
|
10183 /* set local variables */
|
|
|
10184 var_init(&fc.l_vars);
|
|
|
10185 fc.func = fp;
|
|
|
10186 fc.argcount = argcount;
|
|
|
10187 fc.argvars = argvars;
|
|
|
10188 fc.retvar = retvar;
|
|
|
10189 retvar->var_val.var_number = 0;
|
|
|
10190 fc.linenr = 0;
|
|
|
10191 fc.returned = FALSE;
|
|
|
10192 fc.level = ex_nesting_level;
|
|
|
10193 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
10194 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
10195 fc.a0_var.var_name = NULL;
|
|
|
10196 current_funccal = &fc;
|
|
|
10197 fc.firstline.var_type = VAR_NUMBER;
|
|
|
10198 fc.firstline.var_val.var_number = firstline;
|
|
|
10199 fc.firstline.var_name = NULL;
|
|
|
10200 fc.lastline.var_type = VAR_NUMBER;
|
|
|
10201 fc.lastline.var_val.var_number = lastline;
|
|
|
10202 fc.lastline.var_name = NULL;
|
|
|
10203 /* Check if this function has a breakpoint. */
|
|
|
10204 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
10205 fc.dbg_tick = debug_tick;
|
|
|
10206
|
|
|
10207 /* Don't redraw while executing the function. */
|
|
|
10208 ++RedrawingDisabled;
|
|
|
10209 save_sourcing_name = sourcing_name;
|
|
|
10210 save_sourcing_lnum = sourcing_lnum;
|
|
|
10211 sourcing_lnum = 1;
|
|
|
10212 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
10213 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
10214 if (sourcing_name != NULL)
|
|
|
10215 {
|
|
|
10216 if (save_sourcing_name != NULL
|
|
|
10217 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
10218 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
10219 else
|
|
|
10220 STRCPY(sourcing_name, "function ");
|
|
|
10221 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
10222
|
|
|
10223 if (p_verbose >= 12)
|
|
|
10224 {
|
|
|
10225 ++no_wait_return;
|
|
|
10226 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10227 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
10228 if (p_verbose >= 14)
|
|
|
10229 {
|
|
|
10230 int i;
|
|
|
10231 char_u buf[MSG_BUF_LEN];
|
|
|
10232
|
|
|
10233 msg_puts((char_u *)"(");
|
|
|
10234 for (i = 0; i < argcount; ++i)
|
|
|
10235 {
|
|
|
10236 if (i > 0)
|
|
|
10237 msg_puts((char_u *)", ");
|
|
|
10238 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
10239 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
10240 else
|
|
|
10241 {
|
|
|
10242 trunc_string(get_var_string(&argvars[i]),
|
|
|
10243 buf, MSG_BUF_LEN);
|
|
|
10244 msg_puts((char_u *)"\"");
|
|
|
10245 msg_puts(buf);
|
|
|
10246 msg_puts((char_u *)"\"");
|
|
|
10247 }
|
|
|
10248 }
|
|
|
10249 msg_puts((char_u *)")");
|
|
|
10250 }
|
|
|
10251 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10252 cmdline_row = msg_row;
|
|
|
10253 --no_wait_return;
|
|
|
10254 }
|
|
|
10255 }
|
|
|
10256 save_current_SID = current_SID;
|
|
|
10257 current_SID = fp->script_ID;
|
|
|
10258 save_did_emsg = did_emsg;
|
|
|
10259 did_emsg = FALSE;
|
|
|
10260
|
|
|
10261 /* call do_cmdline() to execute the lines */
|
|
|
10262 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
10263 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
10264
|
|
|
10265 --RedrawingDisabled;
|
|
|
10266
|
|
|
10267 /* when the function was aborted because of an error, return -1 */
|
|
|
10268 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
10269 {
|
|
|
10270 clear_var(retvar);
|
|
|
10271 retvar->var_type = VAR_NUMBER;
|
|
|
10272 retvar->var_val.var_number = -1;
|
|
|
10273 }
|
|
|
10274
|
|
|
10275 /* when being verbose, mention the return value */
|
|
|
10276 if (p_verbose >= 12)
|
|
|
10277 {
|
|
|
10278 char_u *sn, *val;
|
|
|
10279
|
|
|
10280 ++no_wait_return;
|
|
|
10281 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10282
|
|
|
10283 /* Make sure the output fits in IObuff. */
|
|
|
10284 sn = sourcing_name;
|
|
|
10285 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
10286 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
10287
|
|
|
10288 if (aborting())
|
|
|
10289 smsg((char_u *)_("%s aborted"), sn);
|
|
|
10290 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
10291 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
10292 (long)fc.retvar->var_val.var_number);
|
|
|
10293 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
10294 {
|
|
|
10295 val = get_var_string(fc.retvar);
|
|
|
10296 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
10297 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
10298 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
10299 }
|
|
|
10300 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10301 cmdline_row = msg_row;
|
|
|
10302 --no_wait_return;
|
|
|
10303 }
|
|
|
10304
|
|
|
10305 vim_free(sourcing_name);
|
|
|
10306 sourcing_name = save_sourcing_name;
|
|
|
10307 sourcing_lnum = save_sourcing_lnum;
|
|
|
10308 current_SID = save_current_SID;
|
|
|
10309
|
|
|
10310 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
10311 {
|
|
|
10312 ++no_wait_return;
|
|
|
10313 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10314 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
10315 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10316 cmdline_row = msg_row;
|
|
|
10317 --no_wait_return;
|
|
|
10318 }
|
|
|
10319
|
|
|
10320 did_emsg |= save_did_emsg;
|
|
|
10321 current_funccal = save_fcp;
|
|
|
10322
|
|
|
10323 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
10324 --depth;
|
|
|
10325 }
|
|
|
10326
|
|
|
10327 /*
|
|
|
10328 * ":return [expr]"
|
|
|
10329 */
|
|
|
10330 void
|
|
|
10331 ex_return(eap)
|
|
|
10332 exarg_T *eap;
|
|
|
10333 {
|
|
|
10334 char_u *arg = eap->arg;
|
|
|
10335 var retvar;
|
|
|
10336 int returning = FALSE;
|
|
|
10337
|
|
|
10338 if (current_funccal == NULL)
|
|
|
10339 {
|
|
|
10340 EMSG(_("E133: :return not inside a function"));
|
|
|
10341 return;
|
|
|
10342 }
|
|
|
10343
|
|
|
10344 if (eap->skip)
|
|
|
10345 ++emsg_skip;
|
|
|
10346
|
|
|
10347 eap->nextcmd = NULL;
|
|
|
10348 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
10349 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
10350 {
|
|
|
10351 if (!eap->skip)
|
|
|
10352 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
10353 else
|
|
|
10354 clear_var(&retvar);
|
|
|
10355 }
|
|
|
10356 /* It's safer to return also on error. */
|
|
|
10357 else if (!eap->skip)
|
|
|
10358 {
|
|
|
10359 /*
|
|
|
10360 * Return unless the expression evaluation has been cancelled due to an
|
|
|
10361 * aborting error, an interrupt, or an exception.
|
|
|
10362 */
|
|
|
10363 if (!aborting())
|
|
|
10364 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
10365 }
|
|
|
10366
|
|
|
10367 /* When skipping or the return gets pending, advance to the next command
|
|
|
10368 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
10369 * Following lines will be ignored by get_func_line(). */
|
|
|
10370 if (returning)
|
|
|
10371 eap->nextcmd = NULL;
|
|
|
10372 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
10373 eap->nextcmd = check_nextcmd(arg);
|
|
|
10374
|
|
|
10375 if (eap->skip)
|
|
|
10376 --emsg_skip;
|
|
|
10377 }
|
|
|
10378
|
|
|
10379 /*
|
|
|
10380 * Return from a function. Possibly makes the return pending. Also called
|
|
|
10381 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
10382 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
10383 * when called due to a ":return" command. "value" may point to a variable
|
|
|
10384 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
10385 * FALSE when the return gets pending.
|
|
|
10386 */
|
|
|
10387 int
|
|
|
10388 do_return(eap, reanimate, is_cmd, value)
|
|
|
10389 exarg_T *eap;
|
|
|
10390 int reanimate;
|
|
|
10391 int is_cmd;
|
|
|
10392 void *value;
|
|
|
10393 {
|
|
|
10394 int idx;
|
|
|
10395 struct condstack *cstack = eap->cstack;
|
|
|
10396
|
|
|
10397 if (reanimate)
|
|
|
10398 /* Undo the return. */
|
|
|
10399 current_funccal->returned = FALSE;
|
|
|
10400
|
|
|
10401 /*
|
|
|
10402 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
10403 * not in its finally clause (which then is to be executed next) is found.
|
|
|
10404 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
10405 * Otherwise, return normally.
|
|
|
10406 */
|
|
|
10407 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
10408 if (idx >= 0)
|
|
|
10409 {
|
|
|
10410 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
10411
|
|
|
10412 if (!is_cmd && !reanimate)
|
|
|
10413 /* A pending return again gets pending. "value" points to an
|
|
|
10414 * allocated variable with the value of the original ":return"'s
|
|
|
10415 * argument if present or is NULL else. */
|
|
|
10416 cstack->cs_retvar[idx] = value;
|
|
|
10417 else
|
|
|
10418 {
|
|
|
10419 /* When undoing a return in order to make it pending, get the stored
|
|
|
10420 * return value. */
|
|
|
10421 if (reanimate)
|
|
|
10422 value = current_funccal->retvar;
|
|
|
10423
|
|
|
10424 if (value != NULL)
|
|
|
10425 {
|
|
|
10426 /* Store the value of the pending return. */
|
|
|
10427 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
10428 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
10429 else
|
|
|
10430 EMSG(_(e_outofmem));
|
|
|
10431 }
|
|
|
10432 else
|
|
|
10433 cstack->cs_retvar[idx] = NULL;
|
|
|
10434
|
|
|
10435 if (reanimate)
|
|
|
10436 {
|
|
|
10437 /* The pending return value could be overwritten by a ":return"
|
|
|
10438 * without argument in a finally clause; reset the default
|
|
|
10439 * return value. */
|
|
|
10440 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
10441 current_funccal->retvar->var_val.var_number = 0;
|
|
|
10442 }
|
|
|
10443 }
|
|
|
10444 report_make_pending(CSTP_RETURN, value);
|
|
|
10445 }
|
|
|
10446 else
|
|
|
10447 {
|
|
|
10448 current_funccal->returned = TRUE;
|
|
|
10449
|
|
|
10450 /* If the return is carried out now, store the return value. For
|
|
|
10451 * a return immediately after reanimation, the value is already
|
|
|
10452 * there. */
|
|
|
10453 if (!reanimate && value != NULL)
|
|
|
10454 {
|
|
|
10455 clear_var(current_funccal->retvar);
|
|
|
10456 *current_funccal->retvar = *(VAR)value;
|
|
|
10457 if (!is_cmd)
|
|
|
10458 vim_free(value);
|
|
|
10459 }
|
|
|
10460 }
|
|
|
10461
|
|
|
10462 return idx < 0;
|
|
|
10463 }
|
|
|
10464
|
|
|
10465 /*
|
|
|
10466 * Free the variable with a pending return value.
|
|
|
10467 */
|
|
|
10468 void
|
|
|
10469 discard_pending_return(retvar)
|
|
|
10470 void *retvar;
|
|
|
10471 {
|
|
|
10472 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
10473 * use free_var() to clear and free it. */
|
|
|
10474 clear_var((VAR)retvar);
|
|
|
10475 vim_free(retvar);
|
|
|
10476 }
|
|
|
10477
|
|
|
10478 /*
|
|
|
10479 * Generate a return command for producing the value of "retvar". The result
|
|
|
10480 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
10481 */
|
|
|
10482 char_u *
|
|
|
10483 get_return_cmd(retvar)
|
|
|
10484 void *retvar;
|
|
|
10485 {
|
|
|
10486 char_u *s = IObuff;
|
|
|
10487
|
|
|
10488 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
10489 s = (char_u *)":return";
|
|
|
10490 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
10491 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
10492 ((VAR)retvar)->var_val.var_string);
|
|
|
10493 else
|
|
|
10494 sprintf((char *)IObuff, ":return %ld",
|
|
|
10495 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
10496 return vim_strsave(s);
|
|
|
10497 }
|
|
|
10498
|
|
|
10499 /*
|
|
|
10500 * Get next function line.
|
|
|
10501 * Called by do_cmdline() to get the next line.
|
|
|
10502 * Returns allocated string, or NULL for end of function.
|
|
|
10503 */
|
|
|
10504 /* ARGSUSED */
|
|
|
10505 char_u *
|
|
|
10506 get_func_line(c, cookie, indent)
|
|
|
10507 int c; /* not used */
|
|
|
10508 void *cookie;
|
|
|
10509 int indent; /* not used */
|
|
|
10510 {
|
|
|
10511 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
10512 char_u *retval;
|
|
|
10513 garray_T *gap; /* growarray with function lines */
|
|
|
10514
|
|
|
10515 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
10516 if (fcp->dbg_tick != debug_tick)
|
|
|
10517 {
|
|
|
10518 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
10519 sourcing_lnum);
|
|
|
10520 fcp->dbg_tick = debug_tick;
|
|
|
10521 }
|
|
|
10522
|
|
|
10523 gap = &fcp->func->lines;
|
|
|
10524 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
10525 retval = NULL;
|
|
|
10526 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
10527 retval = NULL;
|
|
|
10528 else
|
|
|
10529 {
|
|
|
10530 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
10531 sourcing_lnum = fcp->linenr;
|
|
|
10532 }
|
|
|
10533
|
|
|
10534 /* Did we encounter a breakpoint? */
|
|
|
10535 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
10536 {
|
|
|
10537 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
10538 /* Find next breakpoint. */
|
|
|
10539 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
10540 sourcing_lnum);
|
|
|
10541 fcp->dbg_tick = debug_tick;
|
|
|
10542 }
|
|
|
10543
|
|
|
10544 return retval;
|
|
|
10545 }
|
|
|
10546
|
|
|
10547 /*
|
|
|
10548 * Return TRUE if the currently active function should be ended, because a
|
|
|
10549 * return was encountered or an error occured. Used inside a ":while".
|
|
|
10550 */
|
|
|
10551 int
|
|
|
10552 func_has_ended(cookie)
|
|
|
10553 void *cookie;
|
|
|
10554 {
|
|
|
10555 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
10556
|
|
|
10557 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
10558 * an error inside a try conditional. */
|
|
|
10559 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
10560 || fcp->returned);
|
|
|
10561 }
|
|
|
10562
|
|
|
10563 /*
|
|
|
10564 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
10565 */
|
|
|
10566 int
|
|
|
10567 func_has_abort(cookie)
|
|
|
10568 void *cookie;
|
|
|
10569 {
|
|
|
10570 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
10571 }
|
|
|
10572
|
|
|
10573 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
10574 typedef enum
|
|
|
10575 {
|
|
|
10576 VAR_FLAVOUR_DEFAULT,
|
|
|
10577 VAR_FLAVOUR_SESSION,
|
|
|
10578 VAR_FLAVOUR_VIMINFO
|
|
|
10579 } var_flavour_T;
|
|
|
10580
|
|
|
10581 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
10582
|
|
|
10583 static var_flavour_T
|
|
|
10584 var_flavour(varname)
|
|
|
10585 char_u *varname;
|
|
|
10586 {
|
|
|
10587 char_u *p = varname;
|
|
|
10588
|
|
|
10589 if (ASCII_ISUPPER(*p))
|
|
|
10590 {
|
|
|
10591 while (*(++p))
|
|
|
10592 if (ASCII_ISLOWER(*p))
|
|
|
10593 return VAR_FLAVOUR_SESSION;
|
|
|
10594 return VAR_FLAVOUR_VIMINFO;
|
|
|
10595 }
|
|
|
10596 else
|
|
|
10597 return VAR_FLAVOUR_DEFAULT;
|
|
|
10598 }
|
|
|
10599 #endif
|
|
|
10600
|
|
|
10601 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
10602 /*
|
|
|
10603 * Restore global vars that start with a capital from the viminfo file
|
|
|
10604 */
|
|
|
10605 int
|
|
|
10606 read_viminfo_varlist(virp, writing)
|
|
|
10607 vir_T *virp;
|
|
|
10608 int writing;
|
|
|
10609 {
|
|
|
10610 char_u *tab;
|
|
|
10611 int is_string = FALSE;
|
|
|
10612 VAR varp = NULL;
|
|
|
10613 char_u *val;
|
|
|
10614
|
|
|
10615 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
10616 {
|
|
|
10617 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
10618 if (tab != NULL)
|
|
|
10619 {
|
|
|
10620 *tab++ = '\0'; /* isolate the variable name */
|
|
|
10621 if (*tab == 'S') /* string var */
|
|
|
10622 is_string = TRUE;
|
|
|
10623
|
|
|
10624 tab = vim_strchr(tab, '\t');
|
|
|
10625 if (tab != NULL)
|
|
|
10626 {
|
|
|
10627 /* create a nameless variable to hold the value */
|
|
|
10628 if (is_string)
|
|
|
10629 {
|
|
|
10630 val = viminfo_readstring(virp,
|
|
|
10631 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
10632 if (val != NULL)
|
|
|
10633 varp = alloc_string_var(val);
|
|
|
10634 }
|
|
|
10635 else
|
|
|
10636 {
|
|
|
10637 varp = alloc_var();
|
|
|
10638 if (varp != NULL)
|
|
|
10639 {
|
|
|
10640 varp->var_type = VAR_NUMBER;
|
|
|
10641 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
10642 }
|
|
|
10643 }
|
|
|
10644 /* assign the value to the variable */
|
|
|
10645 if (varp != NULL)
|
|
|
10646 {
|
|
|
10647 set_var(virp->vir_line + 1, varp);
|
|
|
10648 free_var(varp);
|
|
|
10649 }
|
|
|
10650 }
|
|
|
10651 }
|
|
|
10652 }
|
|
|
10653
|
|
|
10654 return viminfo_readline(virp);
|
|
|
10655 }
|
|
|
10656
|
|
|
10657 /*
|
|
|
10658 * Write global vars that start with a capital to the viminfo file
|
|
|
10659 */
|
|
|
10660 void
|
|
|
10661 write_viminfo_varlist(fp)
|
|
|
10662 FILE *fp;
|
|
|
10663 {
|
|
|
10664 garray_T *gap = &variables; /* global variable */
|
|
|
10665 VAR this_var;
|
|
|
10666 int i;
|
|
|
10667
|
|
|
10668 if (find_viminfo_parameter('!') == NULL)
|
|
|
10669 return;
|
|
|
10670
|
|
|
10671 fprintf(fp, _("\n# global variables:\n"));
|
|
|
10672 for (i = gap->ga_len; --i >= 0; )
|
|
|
10673 {
|
|
|
10674 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10675 if (this_var->var_name != NULL
|
|
|
10676 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
10677 {
|
|
|
10678 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
10679 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
10680 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
10681 }
|
|
|
10682 }
|
|
|
10683 }
|
|
|
10684 #endif
|
|
|
10685
|
|
|
10686 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
10687 int
|
|
|
10688 store_session_globals(fd)
|
|
|
10689 FILE *fd;
|
|
|
10690 {
|
|
|
10691 garray_T *gap = &variables; /* global variable */
|
|
|
10692 VAR this_var;
|
|
|
10693 int i;
|
|
|
10694 char_u *p, *t;
|
|
|
10695
|
|
|
10696 for (i = gap->ga_len; --i >= 0; )
|
|
|
10697 {
|
|
|
10698 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10699 if (this_var->var_name != NULL)
|
|
|
10700 {
|
|
|
10701 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10702 {
|
|
|
10703 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10704 * CR into \n and \r. */
|
|
|
10705 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10706 (char_u *)"\\\"\n\r");
|
|
|
10707 if (p == NULL) /* out of memory */
|
|
|
10708 continue;
|
|
|
10709 for (t = p; *t != NUL; ++t)
|
|
|
10710 if (*t == '\n')
|
|
|
10711 *t = 'n';
|
|
|
10712 else if (*t == '\r')
|
|
|
10713 *t = 'r';
|
|
|
10714 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10715 this_var->var_name,
|
|
|
10716 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10717 p,
|
|
|
10718 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10719 || put_eol(fd) == FAIL)
|
|
|
10720 {
|
|
|
10721 vim_free(p);
|
|
|
10722 return FAIL;
|
|
|
10723 }
|
|
|
10724 vim_free(p);
|
|
|
10725 }
|
|
|
10726
|
|
|
10727 }
|
|
|
10728 }
|
|
|
10729 return OK;
|
|
|
10730 }
|
|
|
10731 #endif
|
|
|
10732
|
|
|
10733 #endif /* FEAT_EVAL */
|
|
|
10734
|
|
|
10735 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10736
|
|
|
10737
|
|
|
10738 #ifdef WIN3264
|
|
|
10739 /*
|
|
|
10740 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10741 */
|
|
|
10742 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10743 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10744 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10745
|
|
|
10746 /*
|
|
|
10747 * Get the short pathname of a file.
|
|
|
10748 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10749 */
|
|
|
10750 static int
|
|
|
10751 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10752 char_u **fnamep;
|
|
|
10753 char_u **bufp;
|
|
|
10754 int *fnamelen;
|
|
|
10755 {
|
|
|
10756 int l,len;
|
|
|
10757 char_u *newbuf;
|
|
|
10758
|
|
|
10759 len = *fnamelen;
|
|
|
10760
|
|
|
10761 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10762 if (l > len - 1)
|
|
|
10763 {
|
|
|
10764 /* If that doesn't work (not enough space), then save the string
|
|
|
10765 * and try again with a new buffer big enough
|
|
|
10766 */
|
|
|
10767 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10768 if (newbuf == NULL)
|
|
|
10769 return 0;
|
|
|
10770
|
|
|
10771 vim_free(*bufp);
|
|
|
10772 *fnamep = *bufp = newbuf;
|
|
|
10773
|
|
|
10774 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10775
|
|
|
10776 /* Really should always succeed, as the buffer is big enough */
|
|
|
10777 }
|
|
|
10778
|
|
|
10779 *fnamelen = l;
|
|
|
10780 return 1;
|
|
|
10781 }
|
|
|
10782
|
|
|
10783 /*
|
|
|
10784 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10785 * Doesn't copy over the end of the buffer passed in.
|
|
|
10786 */
|
|
|
10787 static int
|
|
|
10788 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10789 char_u **fname;
|
|
|
10790 char_u **bufp;
|
|
|
10791 int *fnamelen;
|
|
|
10792 {
|
|
|
10793 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10794 char_u ch;
|
|
|
10795 int l,len,len2,plen,slen;
|
|
|
10796
|
|
|
10797 /* Make a copy */
|
|
|
10798 len2 = *fnamelen;
|
|
|
10799 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10800 pbuf3 = NULL;
|
|
|
10801
|
|
|
10802 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10803 slen = 1;
|
|
|
10804 plen = len2;
|
|
|
10805
|
|
|
10806 l = 0;
|
|
|
10807 if (vim_ispathsep(*s))
|
|
|
10808 {
|
|
|
10809 --s;
|
|
|
10810 ++slen;
|
|
|
10811 --plen;
|
|
|
10812 }
|
|
|
10813
|
|
|
10814 do
|
|
|
10815 {
|
|
|
10816 /* Go back one path-seperator */
|
|
|
10817 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10818 {
|
|
|
10819 --s;
|
|
|
10820 ++slen;
|
|
|
10821 --plen;
|
|
|
10822 }
|
|
|
10823 if (s <= pbuf2)
|
|
|
10824 break;
|
|
|
10825
|
|
|
10826 /* Remeber the character that is about to be blatted */
|
|
|
10827 ch = *s;
|
|
|
10828 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10829
|
|
|
10830 /* Try it in situ */
|
|
|
10831 p = pbuf2;
|
|
|
10832 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10833 {
|
|
|
10834 vim_free(pbuf2);
|
|
|
10835 return -1;
|
|
|
10836 }
|
|
|
10837 *s = ch; /* Preserve the string */
|
|
|
10838 } while (plen == 0);
|
|
|
10839
|
|
|
10840 if (plen > 0)
|
|
|
10841 {
|
|
|
10842 /* Remeber the length of the new string. */
|
|
|
10843 *fnamelen = len = plen + slen;
|
|
|
10844 vim_free(*bufp);
|
|
|
10845 if (len > len2)
|
|
|
10846 {
|
|
|
10847 /* If there's not enough space in the currently allocated string,
|
|
|
10848 * then copy it to a buffer big enough.
|
|
|
10849 */
|
|
|
10850 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10851 if (*fname == NULL)
|
|
|
10852 return -1;
|
|
|
10853 }
|
|
|
10854 else
|
|
|
10855 {
|
|
|
10856 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10857 *fname = *bufp = pbuf2;
|
|
|
10858 if (p != pbuf2)
|
|
|
10859 strncpy(*fname, p, plen);
|
|
|
10860 pbuf2 = NULL;
|
|
|
10861 }
|
|
|
10862 /* Concat the next bit */
|
|
|
10863 strncpy(*fname + plen, s, slen);
|
|
|
10864 (*fname)[len] = '\0';
|
|
|
10865 }
|
|
|
10866 vim_free(pbuf3);
|
|
|
10867 vim_free(pbuf2);
|
|
|
10868 return 0;
|
|
|
10869 }
|
|
|
10870
|
|
|
10871 /*
|
|
|
10872 * Get a pathname for a partial path.
|
|
|
10873 */
|
|
|
10874 static int
|
|
|
10875 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10876 char_u **fnamep;
|
|
|
10877 char_u **bufp;
|
|
|
10878 int *fnamelen;
|
|
|
10879 {
|
|
|
10880 int sepcount, len, tflen;
|
|
|
10881 char_u *p;
|
|
|
10882 char_u *pbuf, *tfname;
|
|
|
10883 int hasTilde;
|
|
|
10884
|
|
|
10885 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10886 * of the path to return.
|
|
|
10887 */
|
|
|
10888 sepcount = 0;
|
|
|
10889 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10890 if (vim_ispathsep(*p))
|
|
|
10891 ++sepcount;
|
|
|
10892
|
|
|
10893 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10894 hasTilde = (**fnamep == '~');
|
|
|
10895 if (hasTilde)
|
|
|
10896 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10897 else
|
|
|
10898 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10899
|
|
|
10900 len = tflen = STRLEN(tfname);
|
|
|
10901
|
|
|
10902 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10903 return -1;
|
|
|
10904
|
|
|
10905 if (len == 0)
|
|
|
10906 {
|
|
|
10907 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10908 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10909 * there's not a lot of point in guessing what it might be.
|
|
|
10910 */
|
|
|
10911 len = tflen;
|
|
|
10912 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10913 return -1;
|
|
|
10914 }
|
|
|
10915
|
|
|
10916 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10917 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10918 if (vim_ispathsep(*p))
|
|
|
10919 {
|
|
|
10920 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10921 break;
|
|
|
10922 else
|
|
|
10923 sepcount --;
|
|
|
10924 }
|
|
|
10925 if (hasTilde)
|
|
|
10926 {
|
|
|
10927 --p;
|
|
|
10928 if (p >= tfname)
|
|
|
10929 *p = '~';
|
|
|
10930 else
|
|
|
10931 return -1;
|
|
|
10932 }
|
|
|
10933 else
|
|
|
10934 ++p;
|
|
|
10935
|
|
|
10936 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10937 vim_free(*bufp);
|
|
|
10938 *fnamelen = (int)STRLEN(p);
|
|
|
10939 *bufp = pbuf;
|
|
|
10940 *fnamep = p;
|
|
|
10941
|
|
|
10942 return 0;
|
|
|
10943 }
|
|
|
10944 #endif /* WIN3264 */
|
|
|
10945
|
|
|
10946 /*
|
|
|
10947 * Adjust a filename, according to a string of modifiers.
|
|
|
10948 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10949 * determined by *fnamelen.
|
|
|
10950 * Returns valid flags.
|
|
|
10951 * When there is an error, *fnamep is set to NULL.
|
|
|
10952 */
|
|
|
10953 int
|
|
|
10954 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10955 char_u *src; /* string with modifiers */
|
|
|
10956 int *usedlen; /* characters after src that are used */
|
|
|
10957 char_u **fnamep; /* file name so far */
|
|
|
10958 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10959 int *fnamelen; /* length of fnamep */
|
|
|
10960 {
|
|
|
10961 int valid = 0;
|
|
|
10962 char_u *tail;
|
|
|
10963 char_u *s, *p, *pbuf;
|
|
|
10964 char_u dirname[MAXPATHL];
|
|
|
10965 int c;
|
|
|
10966 int has_fullname = 0;
|
|
|
10967 #ifdef WIN3264
|
|
|
10968 int has_shortname = 0;
|
|
|
10969 #endif
|
|
|
10970
|
|
|
10971 repeat:
|
|
|
10972 /* ":p" - full path/file_name */
|
|
|
10973 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10974 {
|
|
|
10975 has_fullname = 1;
|
|
|
10976
|
|
|
10977 valid |= VALID_PATH;
|
|
|
10978 *usedlen += 2;
|
|
|
10979
|
|
|
10980 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10981 if ((*fnamep)[0] == '~'
|
|
|
10982 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10983 && ((*fnamep)[1] == '/'
|
|
|
10984 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10985 || (*fnamep)[1] == '\\'
|
|
|
10986 # endif
|
|
|
10987 || (*fnamep)[1] == NUL)
|
|
|
10988
|
|
|
10989 #endif
|
|
|
10990 )
|
|
|
10991 {
|
|
|
10992 *fnamep = expand_env_save(*fnamep);
|
|
|
10993 vim_free(*bufp); /* free any allocated file name */
|
|
|
10994 *bufp = *fnamep;
|
|
|
10995 if (*fnamep == NULL)
|
|
|
10996 return -1;
|
|
|
10997 }
|
|
|
10998
|
|
|
10999 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
11000 for (p = *fnamep; *p != NUL; ++p)
|
|
|
11001 {
|
|
|
11002 if (vim_ispathsep(*p)
|
|
|
11003 && p[1] == '.'
|
|
|
11004 && (p[2] == NUL
|
|
|
11005 || vim_ispathsep(p[2])
|
|
|
11006 || (p[2] == '.'
|
|
|
11007 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
11008 break;
|
|
|
11009 }
|
|
|
11010
|
|
|
11011 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
11012 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
11013 {
|
|
|
11014 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
11015 vim_free(*bufp); /* free any allocated file name */
|
|
|
11016 *bufp = *fnamep;
|
|
|
11017 if (*fnamep == NULL)
|
|
|
11018 return -1;
|
|
|
11019 }
|
|
|
11020
|
|
|
11021 /* Append a path separator to a directory. */
|
|
|
11022 if (mch_isdir(*fnamep))
|
|
|
11023 {
|
|
|
11024 /* Make room for one or two extra characters. */
|
|
|
11025 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
11026 vim_free(*bufp); /* free any allocated file name */
|
|
|
11027 *bufp = *fnamep;
|
|
|
11028 if (*fnamep == NULL)
|
|
|
11029 return -1;
|
|
|
11030 add_pathsep(*fnamep);
|
|
|
11031 }
|
|
|
11032 }
|
|
|
11033
|
|
|
11034 /* ":." - path relative to the current directory */
|
|
|
11035 /* ":~" - path relative to the home directory */
|
|
|
11036 /* ":8" - shortname path - postponed till after */
|
|
|
11037 while (src[*usedlen] == ':'
|
|
|
11038 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
11039 {
|
|
|
11040 *usedlen += 2;
|
|
|
11041 if (c == '8')
|
|
|
11042 {
|
|
|
11043 #ifdef WIN3264
|
|
|
11044 has_shortname = 1; /* Postpone this. */
|
|
|
11045 #endif
|
|
|
11046 continue;
|
|
|
11047 }
|
|
|
11048 pbuf = NULL;
|
|
|
11049 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
11050 if (!has_fullname)
|
|
|
11051 {
|
|
|
11052 if (c == '.' && **fnamep == '~')
|
|
|
11053 p = pbuf = expand_env_save(*fnamep);
|
|
|
11054 else
|
|
|
11055 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
11056 }
|
|
|
11057 else
|
|
|
11058 p = *fnamep;
|
|
|
11059
|
|
|
11060 has_fullname = 0;
|
|
|
11061
|
|
|
11062 if (p != NULL)
|
|
|
11063 {
|
|
|
11064 if (c == '.')
|
|
|
11065 {
|
|
|
11066 mch_dirname(dirname, MAXPATHL);
|
|
|
11067 s = shorten_fname(p, dirname);
|
|
|
11068 if (s != NULL)
|
|
|
11069 {
|
|
|
11070 *fnamep = s;
|
|
|
11071 if (pbuf != NULL)
|
|
|
11072 {
|
|
|
11073 vim_free(*bufp); /* free any allocated file name */
|
|
|
11074 *bufp = pbuf;
|
|
|
11075 pbuf = NULL;
|
|
|
11076 }
|
|
|
11077 }
|
|
|
11078 }
|
|
|
11079 else
|
|
|
11080 {
|
|
|
11081 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
11082 /* Only replace it when it starts with '~' */
|
|
|
11083 if (*dirname == '~')
|
|
|
11084 {
|
|
|
11085 s = vim_strsave(dirname);
|
|
|
11086 if (s != NULL)
|
|
|
11087 {
|
|
|
11088 *fnamep = s;
|
|
|
11089 vim_free(*bufp);
|
|
|
11090 *bufp = s;
|
|
|
11091 }
|
|
|
11092 }
|
|
|
11093 }
|
|
|
11094 vim_free(pbuf);
|
|
|
11095 }
|
|
|
11096 }
|
|
|
11097
|
|
|
11098 tail = gettail(*fnamep);
|
|
|
11099 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
11100
|
|
|
11101 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
11102 /* Don't remove the first "/" or "c:\" */
|
|
|
11103 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
11104 {
|
|
|
11105 valid |= VALID_HEAD;
|
|
|
11106 *usedlen += 2;
|
|
|
11107 s = get_past_head(*fnamep);
|
|
|
11108 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
11109 --tail;
|
|
|
11110 *fnamelen = (int)(tail - *fnamep);
|
|
|
11111 #ifdef VMS
|
|
|
11112 if (*fnamelen > 0)
|
|
|
11113 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
11114 #endif
|
|
|
11115 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
11116 --tail;
|
|
|
11117 }
|
|
|
11118
|
|
|
11119 /* ":8" - shortname */
|
|
|
11120 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
11121 {
|
|
|
11122 *usedlen += 2;
|
|
|
11123 #ifdef WIN3264
|
|
|
11124 has_shortname = 1;
|
|
|
11125 #endif
|
|
|
11126 }
|
|
|
11127
|
|
|
11128 #ifdef WIN3264
|
|
|
11129 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
11130 */
|
|
|
11131 if (has_shortname)
|
|
|
11132 {
|
|
|
11133 pbuf = NULL;
|
|
|
11134 /* Copy the string if it is shortened by :h */
|
|
|
11135 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
11136 {
|
|
|
11137 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
11138 if (p == 0)
|
|
|
11139 return -1;
|
|
|
11140 vim_free(*bufp);
|
|
|
11141 *bufp = *fnamep = p;
|
|
|
11142 }
|
|
|
11143
|
|
|
11144 /* Split into two implementations - makes it easier. First is where
|
|
|
11145 * there isn't a full name already, second is where there is.
|
|
|
11146 */
|
|
|
11147 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
11148 {
|
|
|
11149 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
11150 return -1;
|
|
|
11151 }
|
|
|
11152 else
|
|
|
11153 {
|
|
|
11154 int l;
|
|
|
11155
|
|
|
11156 /* Simple case, already have the full-name
|
|
|
11157 * Nearly always shorter, so try first time. */
|
|
|
11158 l = *fnamelen;
|
|
|
11159 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
11160 return -1;
|
|
|
11161
|
|
|
11162 if (l == 0)
|
|
|
11163 {
|
|
|
11164 /* Couldn't find the filename.. search the paths.
|
|
|
11165 */
|
|
|
11166 l = *fnamelen;
|
|
|
11167 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
11168 return -1;
|
|
|
11169 }
|
|
|
11170 *fnamelen = l;
|
|
|
11171 }
|
|
|
11172 }
|
|
|
11173 #endif /* WIN3264 */
|
|
|
11174
|
|
|
11175 /* ":t" - tail, just the basename */
|
|
|
11176 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
11177 {
|
|
|
11178 *usedlen += 2;
|
|
|
11179 *fnamelen -= (int)(tail - *fnamep);
|
|
|
11180 *fnamep = tail;
|
|
|
11181 }
|
|
|
11182
|
|
|
11183 /* ":e" - extension, can be repeated */
|
|
|
11184 /* ":r" - root, without extension, can be repeated */
|
|
|
11185 while (src[*usedlen] == ':'
|
|
|
11186 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
11187 {
|
|
|
11188 /* find a '.' in the tail:
|
|
|
11189 * - for second :e: before the current fname
|
|
|
11190 * - otherwise: The last '.'
|
|
|
11191 */
|
|
|
11192 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
11193 s = *fnamep - 2;
|
|
|
11194 else
|
|
|
11195 s = *fnamep + *fnamelen - 1;
|
|
|
11196 for ( ; s > tail; --s)
|
|
|
11197 if (s[0] == '.')
|
|
|
11198 break;
|
|
|
11199 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
11200 {
|
|
|
11201 if (s > tail)
|
|
|
11202 {
|
|
|
11203 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
11204 *fnamep = s + 1;
|
|
|
11205 #ifdef VMS
|
|
|
11206 /* cut version from the extension */
|
|
|
11207 s = *fnamep + *fnamelen - 1;
|
|
|
11208 for ( ; s > *fnamep; --s)
|
|
|
11209 if (s[0] == ';')
|
|
|
11210 break;
|
|
|
11211 if (s > *fnamep)
|
|
|
11212 *fnamelen = s - *fnamep;
|
|
|
11213 #endif
|
|
|
11214 }
|
|
|
11215 else if (*fnamep <= tail)
|
|
|
11216 *fnamelen = 0;
|
|
|
11217 }
|
|
|
11218 else /* :r */
|
|
|
11219 {
|
|
|
11220 if (s > tail) /* remove one extension */
|
|
|
11221 *fnamelen = (int)(s - *fnamep);
|
|
|
11222 }
|
|
|
11223 *usedlen += 2;
|
|
|
11224 }
|
|
|
11225
|
|
|
11226 /* ":s?pat?foo?" - substitute */
|
|
|
11227 /* ":gs?pat?foo?" - global substitute */
|
|
|
11228 if (src[*usedlen] == ':'
|
|
|
11229 && (src[*usedlen + 1] == 's'
|
|
|
11230 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
11231 {
|
|
|
11232 char_u *str;
|
|
|
11233 char_u *pat;
|
|
|
11234 char_u *sub;
|
|
|
11235 int sep;
|
|
|
11236 char_u *flags;
|
|
|
11237 int didit = FALSE;
|
|
|
11238
|
|
|
11239 flags = (char_u *)"";
|
|
|
11240 s = src + *usedlen + 2;
|
|
|
11241 if (src[*usedlen + 1] == 'g')
|
|
|
11242 {
|
|
|
11243 flags = (char_u *)"g";
|
|
|
11244 ++s;
|
|
|
11245 }
|
|
|
11246
|
|
|
11247 sep = *s++;
|
|
|
11248 if (sep)
|
|
|
11249 {
|
|
|
11250 /* find end of pattern */
|
|
|
11251 p = vim_strchr(s, sep);
|
|
|
11252 if (p != NULL)
|
|
|
11253 {
|
|
|
11254 pat = vim_strnsave(s, (int)(p - s));
|
|
|
11255 if (pat != NULL)
|
|
|
11256 {
|
|
|
11257 s = p + 1;
|
|
|
11258 /* find end of substitution */
|
|
|
11259 p = vim_strchr(s, sep);
|
|
|
11260 if (p != NULL)
|
|
|
11261 {
|
|
|
11262 sub = vim_strnsave(s, (int)(p - s));
|
|
|
11263 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
11264 if (sub != NULL && str != NULL)
|
|
|
11265 {
|
|
|
11266 *usedlen = (int)(p + 1 - src);
|
|
|
11267 s = do_string_sub(str, pat, sub, flags);
|
|
|
11268 if (s != NULL)
|
|
|
11269 {
|
|
|
11270 *fnamep = s;
|
|
|
11271 *fnamelen = (int)STRLEN(s);
|
|
|
11272 vim_free(*bufp);
|
|
|
11273 *bufp = s;
|
|
|
11274 didit = TRUE;
|
|
|
11275 }
|
|
|
11276 }
|
|
|
11277 vim_free(sub);
|
|
|
11278 vim_free(str);
|
|
|
11279 }
|
|
|
11280 vim_free(pat);
|
|
|
11281 }
|
|
|
11282 }
|
|
|
11283 /* after using ":s", repeat all the modifiers */
|
|
|
11284 if (didit)
|
|
|
11285 goto repeat;
|
|
|
11286 }
|
|
|
11287 }
|
|
|
11288
|
|
|
11289 return valid;
|
|
|
11290 }
|
|
|
11291
|
|
|
11292 /*
|
|
|
11293 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
11294 * "flags" can be "g" to do a global substitute.
|
|
|
11295 * Returns an allocated string, NULL for error.
|
|
|
11296 */
|
|
|
11297 char_u *
|
|
|
11298 do_string_sub(str, pat, sub, flags)
|
|
|
11299 char_u *str;
|
|
|
11300 char_u *pat;
|
|
|
11301 char_u *sub;
|
|
|
11302 char_u *flags;
|
|
|
11303 {
|
|
|
11304 int sublen;
|
|
|
11305 regmatch_T regmatch;
|
|
|
11306 int i;
|
|
|
11307 int do_all;
|
|
|
11308 char_u *tail;
|
|
|
11309 garray_T ga;
|
|
|
11310 char_u *ret;
|
|
|
11311 char_u *save_cpo;
|
|
|
11312
|
|
|
11313 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
11314 save_cpo = p_cpo;
|
|
|
11315 p_cpo = (char_u *)"";
|
|
|
11316
|
|
|
11317 ga_init2(&ga, 1, 200);
|
|
|
11318
|
|
|
11319 do_all = (flags[0] == 'g');
|
|
|
11320
|
|
|
11321 regmatch.rm_ic = p_ic;
|
|
|
11322 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
11323 if (regmatch.regprog != NULL)
|
|
|
11324 {
|
|
|
11325 tail = str;
|
|
|
11326 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
11327 {
|
|
|
11328 /*
|
|
|
11329 * Get some space for a temporary buffer to do the substitution
|
|
|
11330 * into. It will contain:
|
|
|
11331 * - The text up to where the match is.
|
|
|
11332 * - The substituted text.
|
|
|
11333 * - The text after the match.
|
|
|
11334 */
|
|
|
11335 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
11336 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
11337 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
11338 {
|
|
|
11339 ga_clear(&ga);
|
|
|
11340 break;
|
|
|
11341 }
|
|
|
11342
|
|
|
11343 /* copy the text up to where the match is */
|
|
|
11344 i = (int)(regmatch.startp[0] - tail);
|
|
|
11345 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
11346 /* add the substituted text */
|
|
|
11347 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
11348 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
11349 ga.ga_len += i + sublen - 1;
|
|
|
11350 ga.ga_room -= i + sublen - 1;
|
|
|
11351 /* avoid getting stuck on a match with an empty string */
|
|
|
11352 if (tail == regmatch.endp[0])
|
|
|
11353 {
|
|
|
11354 if (*tail == NUL)
|
|
|
11355 break;
|
|
|
11356 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
11357 ++ga.ga_len;
|
|
|
11358 --ga.ga_room;
|
|
|
11359 }
|
|
|
11360 else
|
|
|
11361 {
|
|
|
11362 tail = regmatch.endp[0];
|
|
|
11363 if (*tail == NUL)
|
|
|
11364 break;
|
|
|
11365 }
|
|
|
11366 if (!do_all)
|
|
|
11367 break;
|
|
|
11368 }
|
|
|
11369
|
|
|
11370 if (ga.ga_data != NULL)
|
|
|
11371 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
11372
|
|
|
11373 vim_free(regmatch.regprog);
|
|
|
11374 }
|
|
|
11375
|
|
|
11376 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
11377 ga_clear(&ga);
|
|
|
11378 p_cpo = save_cpo;
|
|
|
11379
|
|
|
11380 return ret;
|
|
|
11381 }
|
|
|
11382
|
|
|
11383 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
