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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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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
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190 struct vimvar
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191 {
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192 char *name; /* name of variable, without v: */
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193 int len; /* length of name */
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194 char_u *val; /* current value (can also be a number!) */
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195 char type; /* VAR_NUMBER or VAR_STRING */
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196 char flags; /* VV_COMPAT and VV_RO */
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197 } vimvars[VV_LEN] =
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198 { /* The order here must match the VV_ defines in vim.h! */
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199 {"count", sizeof("count") - 1, NULL, VAR_NUMBER, VV_COMPAT+VV_RO},
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200 {"count1", sizeof("count1") - 1, NULL, VAR_NUMBER, VV_RO},
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201 {"prevcount", sizeof("prevcount") - 1, NULL, VAR_NUMBER, VV_RO},
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202 {"errmsg", sizeof("errmsg") - 1, NULL, VAR_STRING, VV_COMPAT},
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203 {"warningmsg", sizeof("warningmsg") - 1, NULL, VAR_STRING, 0},
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204 {"statusmsg", sizeof("statusmsg") - 1, NULL, VAR_STRING, 0},
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205 {"shell_error", sizeof("shell_error") - 1, NULL, VAR_NUMBER,
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206 VV_COMPAT+VV_RO},
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207 {"this_session", sizeof("this_session") - 1, NULL, VAR_STRING, VV_COMPAT},
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208 {"version", sizeof("version") - 1, (char_u *)VIM_VERSION_100,
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209 VAR_NUMBER, VV_COMPAT+VV_RO},
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210 {"lnum", sizeof("lnum") - 1, NULL, VAR_NUMBER, VV_RO},
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211 {"termresponse", sizeof("termresponse") - 1, NULL, VAR_STRING, VV_RO},
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212 {"fname", sizeof("fname") - 1, NULL, VAR_STRING, VV_RO},
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213 {"lang", sizeof("lang") - 1, NULL, VAR_STRING, VV_RO},
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214 {"lc_time", sizeof("lc_time") - 1, NULL, VAR_STRING, VV_RO},
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215 {"ctype", sizeof("ctype") - 1, NULL, VAR_STRING, VV_RO},
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216 {"charconvert_from", sizeof("charconvert_from") - 1, NULL, VAR_STRING, VV_RO},
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217 {"charconvert_to", sizeof("charconvert_to") - 1, NULL, VAR_STRING, VV_RO},
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218 {"fname_in", sizeof("fname_in") - 1, NULL, VAR_STRING, VV_RO},
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219 {"fname_out", sizeof("fname_out") - 1, NULL, VAR_STRING, VV_RO},
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220 {"fname_new", sizeof("fname_new") - 1, NULL, VAR_STRING, VV_RO},
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221 {"fname_diff", sizeof("fname_diff") - 1, NULL, VAR_STRING, VV_RO},
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222 {"cmdarg", sizeof("cmdarg") - 1, NULL, VAR_STRING, VV_RO},
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223 {"foldstart", sizeof("foldstart") - 1, NULL, VAR_NUMBER, VV_RO},
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224 {"foldend", sizeof("foldend") - 1, NULL, VAR_NUMBER, VV_RO},
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225 {"folddashes", sizeof("folddashes") - 1, NULL, VAR_STRING, VV_RO},
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226 {"foldlevel", sizeof("foldlevel") - 1, NULL, VAR_NUMBER, VV_RO},
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227 {"progname", sizeof("progname") - 1, NULL, VAR_STRING, VV_RO},
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228 {"servername", sizeof("servername") - 1, NULL, VAR_STRING, VV_RO},
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229 {"dying", sizeof("dying") - 1, NULL, VAR_NUMBER, VV_RO},
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230 {"exception", sizeof("exception") - 1, NULL, VAR_STRING, VV_RO},
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231 {"throwpoint", sizeof("throwpoint") - 1, NULL, VAR_STRING, VV_RO},
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232 {"register", sizeof("register") - 1, NULL, VAR_STRING, VV_RO},
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233 {"cmdbang", sizeof("cmdbang") - 1, NULL, VAR_NUMBER, VV_RO},
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234 };
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235
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236 static int eval0 __ARGS((char_u *arg, VAR retvar, char_u **nextcmd, int evaluate));
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237 static int eval1 __ARGS((char_u **arg, VAR retvar, int evaluate));
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238 static int eval2 __ARGS((char_u **arg, VAR retvar, int evaluate));
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239 static int eval3 __ARGS((char_u **arg, VAR retvar, int evaluate));
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240 static int eval4 __ARGS((char_u **arg, VAR retvar, int evaluate));
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241 static int eval5 __ARGS((char_u **arg, VAR retvar, int evaluate));
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242 static int eval6 __ARGS((char_u **arg, VAR retvar, int evaluate));
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243 static int eval7 __ARGS((char_u **arg, VAR retvar, int evaluate));
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244 static int get_option_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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245 static int get_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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246 static int get_lit_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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247 static int get_env_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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248 static int find_internal_func __ARGS((char_u *name));
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249 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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250 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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251 static void f_append __ARGS((VAR argvars, VAR retvar));
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252 static void f_argc __ARGS((VAR argvars, VAR retvar));
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253 static void f_argidx __ARGS((VAR argvars, VAR retvar));
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254 static void f_argv __ARGS((VAR argvars, VAR retvar));
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255 static void f_browse __ARGS((VAR argvars, VAR retvar));
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256 static buf_T *find_buffer __ARGS((VAR avar));
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257 static void f_bufexists __ARGS((VAR argvars, VAR retvar));
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258 static void f_buflisted __ARGS((VAR argvars, VAR retvar));
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259 static void f_bufloaded __ARGS((VAR argvars, VAR retvar));
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260 static buf_T *get_buf_var __ARGS((VAR avar));
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261 static void f_bufname __ARGS((VAR argvars, VAR retvar));
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262 static void f_bufnr __ARGS((VAR argvars, VAR retvar));
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263 static void f_bufwinnr __ARGS((VAR argvars, VAR retvar));
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264 static void f_byte2line __ARGS((VAR argvars, VAR retvar));
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265 static void f_char2nr __ARGS((VAR argvars, VAR retvar));
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266 static void f_cindent __ARGS((VAR argvars, VAR retvar));
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267 static void f_col __ARGS((VAR argvars, VAR retvar));
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268 static void f_confirm __ARGS((VAR argvars, VAR retvar));
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269 static void f_cscope_connection __ARGS((VAR argvars, VAR retvar));
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270 static void f_cursor __ARGS((VAR argsvars, VAR retvar));
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271 static void f_delete __ARGS((VAR argvars, VAR retvar));
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272 static void f_did_filetype __ARGS((VAR argvars, VAR retvar));
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273 static void f_escape __ARGS((VAR argvars, VAR retvar));
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274 static void f_eventhandler __ARGS((VAR argvars, VAR retvar));
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275 static void f_executable __ARGS((VAR argvars, VAR retvar));
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276 static void f_exists __ARGS((VAR argvars, VAR retvar));
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277 static void f_expand __ARGS((VAR argvars, VAR retvar));
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278 static void f_filereadable __ARGS((VAR argvars, VAR retvar));
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279 static void f_filewritable __ARGS((VAR argvars, VAR retvar));
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280 static void f_fnamemodify __ARGS((VAR argvars, VAR retvar));
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281 static void f_foldclosed __ARGS((VAR argvars, VAR retvar));
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282 static void f_foldclosedend __ARGS((VAR argvars, VAR retvar));
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283 static void foldclosed_both __ARGS((VAR argvars, VAR retvar, int end));
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284 static void f_foldlevel __ARGS((VAR argvars, VAR retvar));
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285 static void f_foldtext __ARGS((VAR argvars, VAR retvar));
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286 static void f_foreground __ARGS((VAR argvars, VAR retvar));
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287 static void f_getbufvar __ARGS((VAR argvars, VAR retvar));
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288 static void f_getchar __ARGS((VAR argvars, VAR retvar));
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289 static void f_getcharmod __ARGS((VAR argvars, VAR retvar));
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290 static void f_getcmdline __ARGS((VAR argvars, VAR retvar));
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291 static void f_getcmdpos __ARGS((VAR argvars, VAR retvar));
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292 static void f_getcwd __ARGS((VAR argvars, VAR retvar));
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293 static void f_getfsize __ARGS((VAR argvars, VAR retvar));
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294 static void f_getftime __ARGS((VAR argvars, VAR retvar));
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295 static void f_getline __ARGS((VAR argvars, VAR retvar));
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296 static void f_getreg __ARGS((VAR argvars, VAR retvar));
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297 static void f_getregtype __ARGS((VAR argvars, VAR retvar));
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298 static void f_getwinposx __ARGS((VAR argvars, VAR retvar));
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299 static void f_getwinposy __ARGS((VAR argvars, VAR retvar));
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300 static void f_getwinvar __ARGS((VAR argvars, VAR retvar));
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301 static void f_glob __ARGS((VAR argvars, VAR retvar));
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302 static void f_globpath __ARGS((VAR argvars, VAR retvar));
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303 static void f_has __ARGS((VAR argvars, VAR retvar));
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304 static void f_hasmapto __ARGS((VAR argvars, VAR retvar));
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305 static void f_histadd __ARGS((VAR argvars, VAR retvar));
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306 static void f_histdel __ARGS((VAR argvars, VAR retvar));
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307 static void f_histget __ARGS((VAR argvars, VAR retvar));
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308 static void f_histnr __ARGS((VAR argvars, VAR retvar));
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309 static void f_hlexists __ARGS((VAR argvars, VAR retvar));
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310 static void f_hlID __ARGS((VAR argvars, VAR retvar));
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311 static void f_hostname __ARGS((VAR argvars, VAR retvar));
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312 static void f_iconv __ARGS((VAR argvars, VAR retvar));
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313 static void f_indent __ARGS((VAR argvars, VAR retvar));
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314 static void f_isdirectory __ARGS((VAR argvars, VAR retvar));
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315 static void f_input __ARGS((VAR argvars, VAR retvar));
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316 static void f_inputdialog __ARGS((VAR argvars, VAR retvar));
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317 static void f_inputrestore __ARGS((VAR argvars, VAR retvar));
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318 static void f_inputsave __ARGS((VAR argvars, VAR retvar));
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319 static void f_inputsecret __ARGS((VAR argvars, VAR retvar));
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320 static void f_last_buffer_nr __ARGS((VAR argvars, VAR retvar));
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321 static void f_libcall __ARGS((VAR argvars, VAR retvar));
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322 static void f_libcallnr __ARGS((VAR argvars, VAR retvar));
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323 static void libcall_common __ARGS((VAR argvars, VAR retvar, int type));
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324 static void f_line __ARGS((VAR argvars, VAR retvar));
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325 static void f_line2byte __ARGS((VAR argvars, VAR retvar));
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326 static void f_lispindent __ARGS((VAR argvars, VAR retvar));
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327 static void f_localtime __ARGS((VAR argvars, VAR retvar));
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328 static void f_maparg __ARGS((VAR argvars, VAR retvar));
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329 static void f_mapcheck __ARGS((VAR argvars, VAR retvar));
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330 static void get_maparg __ARGS((VAR argvars, VAR retvar, int exact));
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331 static void f_match __ARGS((VAR argvars, VAR retvar));
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332 static void f_matchend __ARGS((VAR argvars, VAR retvar));
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333 static void f_matchstr __ARGS((VAR argvars, VAR retvar));
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334 static void f_mode __ARGS((VAR argvars, VAR retvar));
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335 static void f_nextnonblank __ARGS((VAR argvars, VAR retvar));
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336 static void f_nr2char __ARGS((VAR argvars, VAR retvar));
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337 static void f_prevnonblank __ARGS((VAR argvars, VAR retvar));
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338 static void f_setbufvar __ARGS((VAR argvars, VAR retvar));
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339 static void f_setcmdpos __ARGS((VAR argvars, VAR retvar));
|
|
|
340 static void f_setwinvar __ARGS((VAR argvars, VAR retvar));
|
|
|
341 static void f_rename __ARGS((VAR argvars, VAR retvar));
|
|
|
342 static void f_resolve __ARGS((VAR argvars, VAR retvar));
|
|
|
343 static void f_search __ARGS((VAR argvars, VAR retvar));
|
|
|
344 static void f_searchpair __ARGS((VAR argvars, VAR retvar));
|
|
|
345 static int get_search_arg __ARGS((VAR varp, int *flagsp));
|
|
|
346 static void f_remote_expr __ARGS((VAR argvars, VAR retvar));
|
|
|
347 static void f_remote_foreground __ARGS((VAR argvars, VAR retvar));
|
|
|
348 static void f_remote_peek __ARGS((VAR argvars, VAR retvar));
|
|
|
349 static void f_remote_read __ARGS((VAR argvars, VAR retvar));
|
|
|
350 static void f_remote_send __ARGS((VAR argvars, VAR retvar));
|
|
|
351 static void f_server2client __ARGS((VAR argvars, VAR retvar));
|
|
|
352 static void f_serverlist __ARGS((VAR argvars, VAR retvar));
|
|
|
353 static void f_setline __ARGS((VAR argvars, VAR retvar));
|
|
|
354 static void f_setreg __ARGS((VAR argvars, VAR retvar));
|
|
|
355 static void f_simplify __ARGS((VAR argvars, VAR retvar));
|
|
|
356 static void find_some_match __ARGS((VAR argvars, VAR retvar, int start));
|
|
|
357 static void f_strftime __ARGS((VAR argvars, VAR retvar));
|
|
|
358 static void f_stridx __ARGS((VAR argvars, VAR retvar));
|
|
|
359 static void f_strlen __ARGS((VAR argvars, VAR retvar));
|
|
|
360 static void f_strpart __ARGS((VAR argvars, VAR retvar));
|
|
|
361 static void f_strridx __ARGS((VAR argvars, VAR retvar));
|
|
|
362 static void f_strtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
363 static void f_synID __ARGS((VAR argvars, VAR retvar));
|
|
|
364 static void f_synIDattr __ARGS((VAR argvars, VAR retvar));
|
|
|
365 static void f_synIDtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
366 static void f_system __ARGS((VAR argvars, VAR retvar));
|
|
|
367 static void f_submatch __ARGS((VAR argvars, VAR retvar));
|
|
|
368 static void f_substitute __ARGS((VAR argvars, VAR retvar));
|
|
|
369 static void f_tempname __ARGS((VAR argvars, VAR retvar));
|
|
|
370 static void f_tolower __ARGS((VAR argvars, VAR retvar));
|
|
|
371 static void f_toupper __ARGS((VAR argvars, VAR retvar));
|
|
|
372 static void f_type __ARGS((VAR argvars, VAR retvar));
|
|
|
373 static void f_virtcol __ARGS((VAR argvars, VAR retvar));
|
|
|
374 static void f_visualmode __ARGS((VAR argvars, VAR retvar));
|
|
|
375 static void f_winbufnr __ARGS((VAR argvars, VAR retvar));
|
|
|
376 static void f_wincol __ARGS((VAR argvars, VAR retvar));
|
|
|
377 static void f_winheight __ARGS((VAR argvars, VAR retvar));
|
|
|
378 static void f_winline __ARGS((VAR argvars, VAR retvar));
|
|
|
379 static void f_winnr __ARGS((VAR argvars, VAR retvar));
|
|
|
380 static void f_winrestcmd __ARGS((VAR argvars, VAR retvar));
|
|
|
381 static void f_winwidth __ARGS((VAR argvars, VAR retvar));
|
|
|
382 static win_T *find_win_by_nr __ARGS((VAR vp));
|
|
|
383 static pos_T *var2fpos __ARGS((VAR varp, int lnum));
|
|
|
384 static int get_env_len __ARGS((char_u **arg));
|
|
|
385 static int get_id_len __ARGS((char_u **arg));
|
|
|
386 static int get_func_len __ARGS((char_u **arg, char_u **alias, int evaluate));
|
|
|
387 static char_u *find_name_end __ARGS((char_u *arg, char_u **expr_start, char_u **expr_end));
|
|
|
388 static int eval_isnamec __ARGS((int c));
|
|
|
389 static int find_vim_var __ARGS((char_u *name, int len));
|
|
|
390 static int get_var_var __ARGS((char_u *name, int len, VAR retvar));
|
|
|
391 static VAR alloc_var __ARGS((void));
|
|
|
392 static VAR alloc_string_var __ARGS((char_u *string));
|
|
|
393 static void free_var __ARGS((VAR varp));
|
|
|
394 static void clear_var __ARGS((VAR varp));
|
|
|
395 static long get_var_number __ARGS((VAR varp));
|
|
|
396 static linenr_T get_var_lnum __ARGS((VAR argvars));
|
|
|
397 static char_u *get_var_string __ARGS((VAR varp));
|
|
|
398 static char_u *get_var_string_buf __ARGS((VAR varp, char_u *buf));
|
|
|
399 static VAR find_var __ARGS((char_u *name, int writing));
|
|
|
400 static VAR find_var_in_ga __ARGS((garray_T *gap, char_u *varname));
|
|
|
401 static garray_T *find_var_ga __ARGS((char_u *name, char_u **varname));
|
|
|
402 static void var_free_one __ARGS((VAR v));
|
|
|
403 static void list_one_var __ARGS((VAR v, char_u *prefix));
|
|
|
404 static void list_vim_var __ARGS((int i));
|
|
|
405 static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string));
|
|
|
406 static void set_var __ARGS((char_u *name, VAR varp));
|
|
|
407 static void copy_var __ARGS((VAR from, VAR to));
|
|
|
408 static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags));
|
|
|
409 static char_u *trans_function_name __ARGS((char_u **pp, int skip, int internal));
|
|
|
410 static int eval_fname_script __ARGS((char_u *p));
|
|
|
411 static int eval_fname_sid __ARGS((char_u *p));
|
|
|
412 static void list_func_head __ARGS((ufunc_T *fp, int indent));
|
|
|
413 static void cat_func_name __ARGS((char_u *buf, ufunc_T *fp));
|
|
|
414 static ufunc_T *find_func __ARGS((char_u *name));
|
|
|
415 static void call_user_func __ARGS((ufunc_T *fp, int argcount, VAR argvars, VAR retvar, linenr_T firstline, linenr_T lastline));
|
|
|
416
|
|
|
417 /* Magic braces are always enabled, otherwise Vim scripts would not be
|
|
|
418 * portable. */
|
|
|
419 #define FEAT_MAGIC_BRACES
|
|
|
420
|
|
|
421 #ifdef FEAT_MAGIC_BRACES
|
|
|
422 static char_u * make_expanded_name __ARGS((char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end));
|
|
|
423 #endif
|
|
|
424
|
|
|
425 /*
|
|
|
426 * Set an internal variable to a string value. Creates the variable if it does
|
|
|
427 * not already exist.
|
|
|
428 */
|
|
|
429 void
|
|
|
430 set_internal_string_var(name, value)
|
|
|
431 char_u *name;
|
|
|
432 char_u *value;
|
|
|
433 {
|
|
|
434 char_u *val;
|
|
|
435 VAR varp;
|
|
|
436
|
|
|
437 val = vim_strsave(value);
|
|
|
438 if (val != NULL)
|
|
|
439 {
|
|
|
440 varp = alloc_string_var(val);
|
|
|
441 if (varp != NULL)
|
|
|
442 {
|
|
|
443 set_var(name, varp);
|
|
|
444 free_var(varp);
|
|
|
445 }
|
|
|
446 }
|
|
|
447 }
|
|
|
448
|
|
|
449 # if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
450 int
|
|
|
451 eval_charconvert(enc_from, enc_to, fname_from, fname_to)
|
|
|
452 char_u *enc_from;
|
|
|
453 char_u *enc_to;
|
|
|
454 char_u *fname_from;
|
|
|
455 char_u *fname_to;
|
|
|
456 {
|
|
|
457 int err = FALSE;
|
|
|
458
|
|
|
459 set_vim_var_string(VV_CC_FROM, enc_from, -1);
|
|
|
460 set_vim_var_string(VV_CC_TO, enc_to, -1);
|
|
|
461 set_vim_var_string(VV_FNAME_IN, fname_from, -1);
|
|
|
462 set_vim_var_string(VV_FNAME_OUT, fname_to, -1);
|
|
|
463 if (eval_to_bool(p_ccv, &err, NULL, FALSE))
|
|
|
464 err = TRUE;
|
|
|
465 set_vim_var_string(VV_CC_FROM, NULL, -1);
|
|
|
466 set_vim_var_string(VV_CC_TO, NULL, -1);
|
|
|
467 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
468 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
469
|
|
|
470 if (err)
|
|
|
471 return FAIL;
|
|
|
472 return OK;
|
|
|
473 }
|
|
|
474 # endif
|
|
|
475
|
|
|
476 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
|
|
|
477 int
|
|
|
478 eval_printexpr(fname, args)
|
|
|
479 char_u *fname;
|
|
|
480 char_u *args;
|
|
|
481 {
|
|
|
482 int err = FALSE;
|
|
|
483
|
|
|
484 set_vim_var_string(VV_FNAME_IN, fname, -1);
|
|
|
485 set_vim_var_string(VV_CMDARG, args, -1);
|
|
|
486 if (eval_to_bool(p_pexpr, &err, NULL, FALSE))
|
|
|
487 err = TRUE;
|
|
|
488 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
489 set_vim_var_string(VV_CMDARG, NULL, -1);
|
|
|
490
|
|
|
491 if (err)
|
|
|
492 {
|
|
|
493 mch_remove(fname);
|
|
|
494 return FAIL;
|
|
|
495 }
|
|
|
496 return OK;
|
|
|
497 }
|
|
|
498 # endif
|
|
|
499
|
|
|
500 # if defined(FEAT_DIFF) || defined(PROTO)
|
|
|
501 void
|
|
|
502 eval_diff(origfile, newfile, outfile)
|
|
|
503 char_u *origfile;
|
|
|
504 char_u *newfile;
|
|
|
505 char_u *outfile;
|
|
|
506 {
|
|
|
507 int err = FALSE;
|
|
|
508
|
|
|
509 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
510 set_vim_var_string(VV_FNAME_NEW, newfile, -1);
|
|
|
511 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
512 (void)eval_to_bool(p_dex, &err, NULL, FALSE);
|
|
|
513 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
514 set_vim_var_string(VV_FNAME_NEW, NULL, -1);
|
|
|
515 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
516 }
|
|
|
517
|
|
|
518 void
|
|
|
519 eval_patch(origfile, difffile, outfile)
|
|
|
520 char_u *origfile;
|
|
|
521 char_u *difffile;
|
|
|
522 char_u *outfile;
|
|
|
523 {
|
|
|
524 int err;
|
|
|
525
|
|
|
526 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
527 set_vim_var_string(VV_FNAME_DIFF, difffile, -1);
|
|
|
528 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
529 (void)eval_to_bool(p_pex, &err, NULL, FALSE);
|
|
|
530 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
531 set_vim_var_string(VV_FNAME_DIFF, NULL, -1);
|
|
|
532 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
533 }
|
|
|
534 # endif
|
|
|
535
|
|
|
536 /*
|
|
|
537 * Top level evaluation function, returning a boolean.
|
|
|
538 * Sets "error" to TRUE if there was an error.
|
|
|
539 * Return TRUE or FALSE.
|
|
|
540 */
|
|
|
541 int
|
|
|
542 eval_to_bool(arg, error, nextcmd, skip)
|
|
|
543 char_u *arg;
|
|
|
544 int *error;
|
|
|
545 char_u **nextcmd;
|
|
|
546 int skip; /* only parse, don't execute */
|
|
|
547 {
|
|
|
548 var retvar;
|
|
|
549 int retval = FALSE;
|
|
|
550
|
|
|
551 if (skip)
|
|
|
552 ++emsg_skip;
|
|
|
553 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL)
|
|
|
554 {
|
|
|
555 *error = TRUE;
|
|
|
556 }
|
|
|
557 else
|
|
|
558 {
|
|
|
559 *error = FALSE;
|
|
|
560 if (!skip)
|
|
|
561 {
|
|
|
562 retval = (get_var_number(&retvar) != 0);
|
|
|
563 clear_var(&retvar);
|
|
|
564 }
|
|
|
565 }
|
|
|
566 if (skip)
|
|
|
567 --emsg_skip;
|
|
|
568
|
|
|
569 return retval;
|
|
|
570 }
|
|
|
571
|
|
|
572 /*
|
|
|
573 * Top level evaluation function, returning a string. If "skip" is TRUE,
|
|
|
574 * only parsing to "nextcmd" is done, without reporting errors. Return
|
|
|
575 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
|
|
|
576 */
|
|
|
577 char_u *
|
|
|
578 eval_to_string_skip(arg, nextcmd, skip)
|
|
|
579 char_u *arg;
|
|
|
580 char_u **nextcmd;
|
|
|
581 int skip; /* only parse, don't execute */
|
|
|
582 {
|
|
|
583 var retvar;
|
|
|
584 char_u *retval;
|
|
|
585
|
|
|
586 if (skip)
|
|
|
587 ++emsg_skip;
|
|
|
588 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL || skip)
|
|
|
589 retval = NULL;
|
|
|
590 else
|
|
|
591 {
|
|
|
592 retval = vim_strsave(get_var_string(&retvar));
|
|
|
593 clear_var(&retvar);
|
|
|
594 }
|
|
|
595 if (skip)
|
|
|
596 --emsg_skip;
|
|
|
597
|
|
|
598 return retval;
|
|
|
599 }
|
|
|
600
|
|
|
601 /*
|
|
|
602 * Top level evaluation function, returning a string.
|
|
|
603 * Return pointer to allocated memory, or NULL for failure.
|
|
|
604 */
|
|
|
605 char_u *
|
|
|
606 eval_to_string(arg, nextcmd)
|
|
|
607 char_u *arg;
|
|
|
608 char_u **nextcmd;
|
|
|
609 {
|
|
|
610 var retvar;
|
|
|
611 char_u *retval;
|
|
|
612
|
|
|
613 if (eval0(arg, &retvar, nextcmd, TRUE) == FAIL)
|
|
|
614 retval = NULL;
|
|
|
615 else
|
|
|
616 {
|
|
|
617 retval = vim_strsave(get_var_string(&retvar));
|
|
|
618 clear_var(&retvar);
|
|
|
619 }
|
|
|
620
|
|
|
621 return retval;
|
|
|
622 }
|
|
|
623
|
|
|
624 /*
|
|
|
625 * Call eval_to_string() with "sandbox" set and not using local variables.
|
|
|
626 */
|
|
|
627 char_u *
|
|
|
628 eval_to_string_safe(arg, nextcmd)
|
|
|
629 char_u *arg;
|
|
|
630 char_u **nextcmd;
|
|
|
631 {
|
|
|
632 char_u *retval;
|
|
|
633 void *save_funccalp;
|
|
|
634
|
|
|
635 save_funccalp = save_funccal();
|
|
|
636 ++sandbox;
|
|
|
637 retval = eval_to_string(arg, nextcmd);
|
|
|
638 --sandbox;
|
|
|
639 restore_funccal(save_funccalp);
|
|
|
640 return retval;
|
|
|
641 }
|
|
|
642
|
|
|
643 #if 0 /* not used */
|
|
|
644 /*
|
|
|
645 * Top level evaluation function, returning a string.
|
|
|
646 * Advances "arg" to the first non-blank after the evaluated expression.
|
|
|
647 * Return pointer to allocated memory, or NULL for failure.
|
|
|
648 * Doesn't give error messages.
|
|
|
649 */
|
|
|
650 char_u *
|
|
|
651 eval_arg_to_string(arg)
|
|
|
652 char_u **arg;
|
|
|
653 {
|
|
|
654 var retvar;
|
|
|
655 char_u *retval;
|
|
|
656 int ret;
|
|
|
657
|
|
|
658 ++emsg_off;
|
|
|
659
|
|
|
660 ret = eval1(arg, &retvar, TRUE);
|
|
|
661 if (ret == FAIL)
|
|
|
662 retval = NULL;
|
|
|
663 else
|
|
|
664 {
|
|
|
665 retval = vim_strsave(get_var_string(&retvar));
|
|
|
666 clear_var(&retvar);
|
|
|
667 }
|
|
|
668
|
|
|
669 --emsg_off;
|
|
|
670
|
|
|
671 return retval;
|
|
|
672 }
|
|
|
673 #endif
|
|
|
674
|
|
|
675 /*
|
|
|
676 * Top level evaluation function, returning a number.
|
|
|
677 * Evaluates "expr" silently.
|
|
|
678 * Returns -1 for an error.
|
|
|
679 */
|
|
|
680 int
|
|
|
681 eval_to_number(expr)
|
|
|
682 char_u *expr;
|
|
|
683 {
|
|
|
684 var retvar;
|
|
|
685 int retval;
|
|
|
686 char_u *p = expr;
|
|
|
687
|
|
|
688 ++emsg_off;
|
|
|
689
|
|
|
690 if (eval1(&p, &retvar, TRUE) == FAIL)
|
|
|
691 retval = -1;
|
|
|
692 else
|
|
|
693 {
|
|
|
694 retval = get_var_number(&retvar);
|
|
|
695 clear_var(&retvar);
|
|
|
696 }
|
|
|
697 --emsg_off;
|
|
|
698
|
|
|
699 return retval;
|
|
|
700 }
|
|
|
701
|
|
|
702 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
|
|
|
703 /*
|
|
|
704 * Call some vimL function and return the result as a string
|
|
|
705 * Uses argv[argc] for the function arguments.
|
|
|
706 */
|
|
|
707 char_u *
|
|
|
708 call_vim_function(func, argc, argv, safe)
|
|
|
709 char_u *func;
|
|
|
710 int argc;
|
|
|
711 char_u **argv;
|
|
|
712 int safe; /* use the sandbox */
|
|
|
713 {
|
|
|
714 char_u *retval = NULL;
|
|
|
715 var retvar;
|
|
|
716 VAR argvars;
|
|
|
717 long n;
|
|
|
718 int len;
|
|
|
719 int i;
|
|
|
720 int doesrange;
|
|
|
721 void *save_funccalp = NULL;
|
|
|
722
|
|
|
723 argvars = (VAR)alloc((unsigned)(argc * sizeof(var)));
|
|
|
724 if (argvars == NULL)
|
|
|
725 return NULL;
|
|
|
726
|
|
|
727 for (i = 0; i < argc; i++)
|
|
|
728 {
|
|
|
729 /* Recognize a number argument, the others must be strings. */
|
|
|
730 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
731 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
732 {
|
|
|
733 argvars[i].var_type = VAR_NUMBER;
|
|
|
734 argvars[i].var_val.var_number = n;
|
|
|
735 }
|
|
|
736 else
|
|
|
737 {
|
|
|
738 argvars[i].var_type = VAR_STRING;
|
|
|
739 argvars[i].var_val.var_string = argv[i];
|
|
|
740 }
|
|
|
741 }
|
|
|
742
|
|
|
743 if (safe)
|
|
|
744 {
|
|
|
745 save_funccalp = save_funccal();
|
|
|
746 ++sandbox;
|
|
|
747 }
|
|
|
748
|
|
|
749 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
750 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
751 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
752 &doesrange, TRUE) == OK)
|
|
|
753 retval = vim_strsave(get_var_string(&retvar));
|
|
|
754
|
|
|
755 clear_var(&retvar);
|
|
|
756 vim_free(argvars);
|
|
|
757
|
|
|
758 if (safe)
|
|
|
759 {
|
|
|
760 --sandbox;
|
|
|
761 restore_funccal(save_funccalp);
|
|
|
762 }
|
|
|
763 return retval;
|
|
|
764 }
|
|
|
765 #endif
|
|
|
766
|
|
|
767 /*
|
|
|
768 * Save the current function call pointer, and set it to NULL.
|
|
|
769 * Used when executing autocommands and for ":source".
|
|
|
770 */
|
|
|
771 void *
|
|
|
772 save_funccal()
|
|
|
773 {
|
|
|
774 struct funccall *fc;
|
|
|
775
|
|
|
776 fc = current_funccal;
|
|
|
777 current_funccal = NULL;
|
|
|
778 return (void *)fc;
|
|
|
779 }
|
|
|
780
|
|
|
781 void
|
|
|
782 restore_funccal(fc)
|
|
|
783 void *fc;
|
|
|
784 {
|
|
|
785 current_funccal = (struct funccall *)fc;
|
|
|
786 }
|
|
|
787
|
|
|
788 #ifdef FEAT_FOLDING
|
|
|
789 /*
|
|
|
790 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
791 * it in "*cp". Doesn't give error messages.
|
|
|
792 */
|
|
|
793 int
|
|
|
794 eval_foldexpr(arg, cp)
|
|
|
795 char_u *arg;
|
|
|
796 int *cp;
|
|
|
797 {
|
|
|
798 var retvar;
|
|
|
799 int retval;
|
|
|
800 char_u *s;
|
|
|
801
|
|
|
802 ++emsg_off;
|
|
|
803 ++sandbox;
|
|
|
804 *cp = NUL;
|
|
|
805 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
806 retval = 0;
|
|
|
807 else
|
|
|
808 {
|
|
|
809 /* If the result is a number, just return the number. */
|
|
|
810 if (retvar.var_type == VAR_NUMBER)
|
|
|
811 retval = retvar.var_val.var_number;
|
|
|
812 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
813 || retvar.var_val.var_string == NULL)
|
|
|
814 retval = 0;
|
|
|
815 else
|
|
|
816 {
|
|
|
817 /* If the result is a string, check if there is a non-digit before
|
|
|
818 * the number. */
|
|
|
819 s = retvar.var_val.var_string;
|
|
|
820 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
821 *cp = *s++;
|
|
|
822 retval = atol((char *)s);
|
|
|
823 }
|
|
|
824 clear_var(&retvar);
|
|
|
825 }
|
|
|
826 --emsg_off;
|
|
|
827 --sandbox;
|
|
|
828
|
|
|
829 return retval;
|
|
|
830 }
|
|
|
831 #endif
|
|
|
832
|
|
|
833 #ifdef FEAT_MAGIC_BRACES
|
|
|
834 /*
|
|
|
835 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
836 * Note that this can call itself recursively, to deal with
|
|
|
837 * constructs like foo{bar}{baz}{bam}
|
|
|
838 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
839 * "in_start" ^
|
|
|
840 * "expr_start" ^
|
|
|
841 * "expr_end" ^
|
|
|
842 * "in_end" ^
|
|
|
843 *
|
|
|
844 * Returns a new allocated string, which the caller must free.
|
|
|
845 * Returns NULL for failure.
|
|
|
846 */
|
|
|
847 static char_u *
|
|
|
848 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
849 char_u *in_start;
|
|
|
850 char_u *expr_start;
|
|
|
851 char_u *expr_end;
|
|
|
852 char_u *in_end;
|
|
|
853 {
|
|
|
854 char_u c1;
|
|
|
855 char_u *retval = NULL;
|
|
|
856 char_u *temp_result;
|
|
|
857 char_u *nextcmd = NULL;
|
|
|
858
|
|
|
859 if (expr_end == NULL || in_end == NULL)
|
|
|
860 return NULL;
|
|
|
861 *expr_start = NUL;
|
|
|
862 *expr_end = NUL;
|
|
|
863 c1 = *in_end;
|
|
|
864 *in_end = NUL;
|
|
|
865
|
|
|
866 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
867 if (temp_result != NULL && nextcmd == NULL)
|
|
|
868 {
|
|
|
869 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
870 + (in_end - expr_end) + 1));
|
|
|
871
|
|
|
872 if (retval != NULL)
|
|
|
873 {
|
|
|
874 STRCPY(retval, in_start);
|
|
|
875 STRCAT(retval, temp_result);
|
|
|
876 STRCAT(retval, expr_end + 1);
|
|
|
877 }
|
|
|
878 }
|
|
|
879 vim_free(temp_result);
|
|
|
880
|
|
|
881 *in_end = c1; /* put char back for error messages */
|
|
|
882 *expr_start = '{';
|
|
|
883 *expr_end = '}';
|
|
|
884
|
|
|
885 if (retval != NULL)
|
|
|
886 {
|
|
|
887 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
888 if (expr_start != NULL)
|
|
|
889 {
|
|
|
890 /* Further expansion! */
|
|
|
891 temp_result = make_expanded_name(retval, expr_start,
|
|
|
892 expr_end, temp_result);
|
|
|
893 vim_free(retval);
|
|
|
894 retval = temp_result;
|
|
|
895 }
|
|
|
896 }
|
|
|
897
|
|
|
898 return retval;
|
|
|
899
|
|
|
900 }
|
|
|
901 #endif /* FEAT_MAGIC_BRACES */
|
|
|
902
|
|
|
903 /*
|
|
|
904 * ":let var = expr" assignment command.
|
|
|
905 * ":let var" list one variable value
|
|
|
906 * ":let" list all variable values
|
|
|
907 */
|
|
|
908 void
|
|
|
909 ex_let(eap)
|
|
|
910 exarg_T *eap;
|
|
|
911 {
|
|
|
912 char_u *arg = eap->arg;
|
|
|
913 char_u *expr;
|
|
|
914 char_u *name;
|
|
|
915 VAR varp;
|
|
|
916 var retvar;
|
|
|
917 char_u *p;
|
|
|
918 int c1 = 0, c2;
|
|
|
919 int i;
|
|
|
920 char_u *expr_start;
|
|
|
921 char_u *expr_end;
|
|
|
922 char_u *name_end;
|
|
|
923
|
|
|
924 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
925 expr = vim_strchr(name_end, '=');
|
|
|
926 if (expr == NULL)
|
|
|
927 {
|
|
|
928 if (ends_excmd(*arg))
|
|
|
929 {
|
|
|
930 if (!eap->skip)
|
|
|
931 {
|
|
|
932 /*
|
|
|
933 * List all variables.
|
|
|
934 */
|
|
|
935 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
936 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
937 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
938 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
939 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
940 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
941 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
942 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
943 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
944 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
945 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
946 list_vim_var(i);
|
|
|
947 }
|
|
|
948 }
|
|
|
949 else
|
|
|
950 {
|
|
|
951 int error = FALSE;
|
|
|
952
|
|
|
953 /*
|
|
|
954 * List variables.
|
|
|
955 */
|
|
|
956 while (!ends_excmd(*arg) && !got_int)
|
|
|
957 {
|
|
|
958 char_u *temp_string = NULL;
|
|
|
959 int arg_len;
|
|
|
960
|
|
|
961 /* Find the end of the name. */
|
|
|
962 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
963
|
|
|
964 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
965 {
|
|
|
966 emsg_severe = TRUE;
|
|
|
967 EMSG(_(e_trailing));
|
|
|
968 break;
|
|
|
969 }
|
|
|
970 if (!error && !eap->skip)
|
|
|
971 {
|
|
|
972 #ifdef FEAT_MAGIC_BRACES
|
|
|
973 if (expr_start != NULL)
|
|
|
974 {
|
|
|
975 temp_string = make_expanded_name(arg, expr_start,
|
|
|
976 expr_end, name_end);
|
|
|
977 if (temp_string == NULL)
|
|
|
978 {
|
|
|
979 /*
|
|
|
980 * Report an invalid expression in braces, unless
|
|
|
981 * the expression evaluation has been cancelled due
|
|
|
982 * to an aborting error, an interrupt, or an
|
|
|
983 * exception.
|
|
|
984 */
|
|
|
985 if (!aborting())
|
|
|
986 {
|
|
|
987 emsg_severe = TRUE;
|
|
|
988 EMSG2(_(e_invarg2), arg);
|
|
|
989 break;
|
|
|
990 }
|
|
|
991 error = TRUE;
|
|
|
992 arg = skipwhite(name_end);
|
|
|
993 continue;
|
|
|
994 }
|
|
|
995 arg = temp_string;
|
|
|
996 arg_len = STRLEN(temp_string);
|
|
|
997 }
|
|
|
998 else
|
|
|
999 #endif
|
|
|
1000 {
|
|
|
1001 c1 = *name_end;
|
|
|
1002 *name_end = NUL;
|
|
|
1003 arg_len = (int)(name_end - arg);
|
|
|
1004 }
|
|
|
1005 i = find_vim_var(arg, arg_len);
|
|
|
1006 if (i >= 0)
|
|
|
1007 list_vim_var(i);
|
|
|
1008 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1009 {
|
|
|
1010 char_u numbuf[NUMBUFLEN];
|
|
|
1011
|
|
|
1012 sprintf((char *)numbuf, "%ld",
|
|
|
1013 (long)curbuf->b_changedtick);
|
|
|
1014 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1015 VAR_NUMBER, numbuf);
|
|
|
1016 }
|
|
|
1017 else
|
|
|
1018 {
|
|
|
1019 varp = find_var(arg, FALSE);
|
|
|
1020 if (varp == NULL)
|
|
|
1021 {
|
|
|
1022 /* Skip further arguments but do continue to
|
|
|
1023 * search for a trailing command. */
|
|
|
1024 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1025 error = TRUE;
|
|
|
1026 }
|
|
|
1027 else
|
|
|
1028 {
|
|
|
1029 name = vim_strchr(arg, ':');
|
|
|
1030 if (name != NULL)
|
|
|
1031 {
|
|
|
1032 /* "a:" vars have no name stored, use whole
|
|
|
1033 * arg */
|
|
|
1034 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1035 c2 = NUL;
|
|
|
1036 else
|
|
|
1037 {
|
|
|
1038 c2 = *++name;
|
|
|
1039 *name = NUL;
|
|
|
1040 }
|
|
|
1041 list_one_var(varp, arg);
|
|
|
1042 if (c2 != NUL)
|
|
|
1043 *name = c2;
|
|
|
1044 }
|
|
|
1045 else
|
|
|
1046 list_one_var(varp, (char_u *)"");
|
|
|
1047 }
|
|
|
1048 }
|
|
|
1049 #ifdef FEAT_MAGIC_BRACES
|
|
|
1050 if (expr_start != NULL)
|
|
|
1051 vim_free(temp_string);
|
|
|
1052 else
|
|
|
1053 #endif
|
|
|
1054 *name_end = c1;
|
|
|
1055 }
|
|
|
1056 arg = skipwhite(name_end);
|
|
|
1057 }
|
|
|
1058 }
|
|
|
1059 eap->nextcmd = check_nextcmd(arg);
|
|
|
1060 }
|
|
|
1061 else
|
|
|
1062 {
|
|
|
1063 if (eap->skip)
|
|
|
1064 ++emsg_skip;
|
|
|
1065 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1066 if (eap->skip)
|
|
|
1067 {
|
|
|
1068 if (i != FAIL)
|
|
|
1069 clear_var(&retvar);
|
|
|
1070 --emsg_skip;
|
|
|
1071 }
|
|
|
1072 else if (i != FAIL)
|
|
|
1073 {
|
|
|
1074 /*
|
|
|
1075 * ":let $VAR = expr": Set environment variable.
|
|
|
1076 */
|
|
|
1077 if (*arg == '$')
|
|
|
1078 {
|
|
|
1079 int len;
|
|
|
1080 int cc;
|
|
|
1081
|
|
|
1082 /* Find the end of the name. */
|
|
|
1083 ++arg;
|
|
|
1084 name = arg;
|
|
|
1085 len = get_env_len(&arg);
|
|
|
1086 if (len == 0)
|
|
|
1087 EMSG2(_(e_invarg2), name - 1);
|
|
|
1088 else
|
|
|
1089 {
|
|
|
1090 if (*skipwhite(arg) != '=')
|
|
|
1091 EMSG(_(e_letunexp));
|
|
|
1092 else
|
|
|
1093 {
|
|
|
1094 cc = name[len];
|
|
|
1095 name[len] = NUL;
|
|
|
1096 p = get_var_string(&retvar);
|
|
|
1097 vim_setenv(name, p);
|
|
|
1098 if (STRICMP(name, "HOME") == 0)
|
|
|
1099 init_homedir();
|
|
|
1100 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1101 didset_vim = FALSE;
|
|
|
1102 else if (didset_vimruntime
|
|
|
1103 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1104 didset_vimruntime = FALSE;
|
|
|
1105 name[len] = cc;
|
|
|
1106 }
|
|
|
1107 }
|
|
|
1108 }
|
|
|
1109
|
|
|
1110 /*
|
|
|
1111 * ":let &option = expr": Set option value.
|
|
|
1112 * ":let &l:option = expr": Set local option value.
|
|
|
1113 * ":let &g:option = expr": Set global option value.
|
|
|
1114 */
|
|
|
1115 else if (*arg == '&')
|
|
|
1116 {
|
|
|
1117 int opt_flags;
|
|
|
1118
|
|
|
1119 /*
|
|
|
1120 * Find the end of the name;
|
|
|
1121 */
|
|
|
1122 p = find_option_end(&arg, &opt_flags);
|
|
|
1123 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1124 EMSG(_(e_letunexp));
|
|
|
1125 else
|
|
|
1126 {
|
|
|
1127 c1 = *p;
|
|
|
1128 *p = NUL;
|
|
|
1129 set_option_value(arg, get_var_number(&retvar),
|
|
|
1130 get_var_string(&retvar), opt_flags);
|
|
|
1131 *p = c1; /* put back for error messages */
|
|
|
1132 }
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 /*
|
|
|
1136 * ":let @r = expr": Set register contents.
|
|
|
1137 */
|
|
|
1138 else if (*arg == '@')
|
|
|
1139 {
|
|
|
1140 ++arg;
|
|
|
1141 if (*skipwhite(arg + 1) != '=')
|
|
|
1142 EMSG(_(e_letunexp));
|
|
|
1143 else
|
|
|
1144 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1145 get_var_string(&retvar), -1, FALSE);
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 /*
|
|
|
1149 * ":let var = expr": Set internal variable.
|
|
|
1150 */
|
|
|
1151 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1152 {
|
|
|
1153 /* Find the end of the name. */
|
|
|
1154 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1155
|
|
|
1156 if (*skipwhite(p) != '=')
|
|
|
1157 EMSG(_(e_letunexp));
|
|
|
1158 else if (p - arg == 13
|
|
|
1159 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1160 EMSG2(_(e_readonlyvar), arg);
|
|
|
1161 #ifdef FEAT_MAGIC_BRACES
|
|
|
1162 else if (expr_start != NULL)
|
|
|
1163 {
|
|
|
1164 char_u *temp_string;
|
|
|
1165
|
|
|
1166 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1167 expr_end, p);
|
|
|
1168 if (temp_string == NULL)
|
|
|
1169 {
|
|
|
1170 /*
|
|
|
1171 * Report an invalid expression in braces, unless the
|
|
|
1172 * expression evaluation has been cancelled due to an
|
|
|
1173 * aborting error, an interrupt, or an exception.
|
|
|
1174 */
|
|
|
1175 if (!aborting())
|
|
|
1176 EMSG2(_(e_invarg2), arg);
|
|
|
1177 }
|
|
|
1178 else
|
|
|
1179 {
|
|
|
1180 set_var(temp_string, &retvar);
|
|
|
1181 vim_free(temp_string);
|
|
|
1182 }
|
|
|
1183 }
|
|
|
1184 #endif
|
|
|
1185 else
|
|
|
1186 {
|
|
|
1187 c1 = *p;
|
|
|
1188 *p = NUL;
|
|
|
1189 set_var(arg, &retvar);
|
|
|
1190 *p = c1; /* put char back for error messages */
|
|
|
1191 }
|
|
|
1192 }
|
|
|
1193
|
|
|
1194 else
|
|
|
1195 {
|
|
|
1196 EMSG2(_(e_invarg2), arg);
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 clear_var(&retvar);
|
|
|
1200 }
|
|
|
1201 }
|
|
|
1202 }
|
|
|
1203
|
|
|
1204 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1205
|
|
|
1206 void
|
|
|
1207 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1208 expand_T *xp;
|
|
|
1209 char_u *arg;
|
|
|
1210 cmdidx_T cmdidx;
|
|
|
1211 {
|
|
|
1212 int got_eq = FALSE;
|
|
|
1213 int c;
|
|
|
1214
|
|
|
1215 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1216 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1217 : EXPAND_EXPRESSION;
|
|
|
1218 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1219 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1220 {
|
|
|
1221 c = *xp->xp_pattern;
|
|
|
1222 if (c == '&')
|
|
|
1223 {
|
|
|
1224 c = xp->xp_pattern[1];
|
|
|
1225 if (c == '&')
|
|
|
1226 {
|
|
|
1227 ++xp->xp_pattern;
|
|
|
1228 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1229 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1230 }
|
|
|
1231 else if (c != ' ')
|
|
|
1232 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1233 }
|
|
|
1234 else if (c == '$')
|
|
|
1235 {
|
|
|
1236 /* environment variable */
|
|
|
1237 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1238 }
|
|
|
1239 else if (c == '=')
|
|
|
1240 {
|
|
|
1241 got_eq = TRUE;
|
|
|
1242 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1243 }
|
|
|
1244 else if (c == '<'
|
|
|
1245 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1246 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1247 {
|
|
|
1248 /* Function name can start with "<SNR>" */
|
|
|
1249 break;
|
|
|
1250 }
|
|
|
1251 else if (cmdidx != CMD_let || got_eq)
|
|
|
1252 {
|
|
|
1253 if (c == '"') /* string */
|
|
|
1254 {
|
|
|
1255 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1256 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1257 ++xp->xp_pattern;
|
|
|
1258 xp->xp_context = EXPAND_NOTHING;
|
|
|
1259 }
|
|
|
1260 else if (c == '\'') /* literal string */
|
|
|
1261 {
|
|
|
1262 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1263 /* skip */ ;
|
|
|
1264 xp->xp_context = EXPAND_NOTHING;
|
|
|
1265 }
|
|
|
1266 else if (c == '|')
|
|
|
1267 {
|
|
|
1268 if (xp->xp_pattern[1] == '|')
|
|
|
1269 {
|
|
|
1270 ++xp->xp_pattern;
|
|
|
1271 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1272 }
|
|
|
1273 else
|
|
|
1274 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1275 }
|
|
|
1276 else
|
|
|
1277 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1278 }
|
|
|
1279 else
|
|
|
1280 xp->xp_context = EXPAND_NOTHING;
|
|
|
1281 arg = xp->xp_pattern;
|
|
|
1282 if (*arg != NUL)
|
|
|
1283 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1284 /* skip */ ;
|
|
|
1285 }
|
|
|
1286 xp->xp_pattern = arg;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 #endif /* FEAT_CMDL_COMPL */
|
|
|
1290
|
|
|
1291 /*
|
|
|
1292 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1293 */
|
|
|
1294 void
|
|
|
1295 ex_call(eap)
|
|
|
1296 exarg_T *eap;
|
|
|
1297 {
|
|
|
1298 char_u *arg = eap->arg;
|
|
|
1299 char_u *startarg;
|
|
|
1300 char_u *alias;
|
|
|
1301 char_u *name;
|
|
|
1302 var retvar;
|
|
|
1303 int len;
|
|
|
1304 linenr_T lnum;
|
|
|
1305 int doesrange;
|
|
|
1306 int failed = FALSE;
|
|
|
1307
|
|
|
1308 name = arg;
|
|
|
1309 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1310 if (len == 0)
|
|
|
1311 goto end;
|
|
|
1312 if (alias != NULL)
|
|
|
1313 name = alias;
|
|
|
1314
|
|
|
1315 startarg = arg;
|
|
|
1316 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1317
|
|
|
1318 if (*startarg != '(')
|
|
|
1319 {
|
|
|
1320 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1321 goto end;
|
|
|
1322 }
|
|
|
1323
|
|
|
1324 /*
|
|
|
1325 * When skipping, evaluate the function once, to find the end of the
|
|
|
1326 * arguments.
|
|
|
1327 * When the function takes a range, this is discovered after the first
|
|
|
1328 * call, and the loop is broken.
|
|
|
1329 */
|
|
|
1330 if (eap->skip)
|
|
|
1331 {
|
|
|
1332 ++emsg_skip;
|
|
|
1333 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1334 }
|
|
|
1335 else
|
|
|
1336 lnum = eap->line1;
|
|
|
1337 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1338 {
|
|
|
1339 if (!eap->skip && eap->addr_count > 0)
|
|
|
1340 {
|
|
|
1341 curwin->w_cursor.lnum = lnum;
|
|
|
1342 curwin->w_cursor.col = 0;
|
|
|
1343 }
|
|
|
1344 arg = startarg;
|
|
|
1345 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1346 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1347 {
|
|
|
1348 failed = TRUE;
|
|
|
1349 break;
|
|
|
1350 }
|
|
|
1351 clear_var(&retvar);
|
|
|
1352 if (doesrange || eap->skip)
|
|
|
1353 break;
|
|
|
1354 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1355 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1356 * returned OK, so that the check for trailing characters below is
|
|
|
1357 * executed. */
|
|
|
1358 if (aborting())
|
|
|
1359 break;
|
|
|
1360 }
|
|
|
1361 if (eap->skip)
|
|
|
1362 --emsg_skip;
|
|
|
1363
|
|
|
1364 if (!failed)
|
|
|
1365 {
|
|
|
1366 /* Check for trailing illegal characters and a following command. */
|
|
|
1367 if (!ends_excmd(*arg))
|
|
|
1368 {
|
|
|
1369 emsg_severe = TRUE;
|
|
|
1370 EMSG(_(e_trailing));
|
|
|
1371 }
|
|
|
1372 else
|
|
|
1373 eap->nextcmd = check_nextcmd(arg);
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 end:
|
|
|
1377 if (alias != NULL)
|
|
|
1378 vim_free(alias);
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 /*
|
|
|
1382 * ":unlet[!] var1 ... " command.
|
|
|
1383 */
|
|
|
1384 void
|
|
|
1385 ex_unlet(eap)
|
|
|
1386 exarg_T *eap;
|
|
|
1387 {
|
|
|
1388 char_u *arg = eap->arg;
|
|
|
1389 char_u *name_end;
|
|
|
1390 char_u cc;
|
|
|
1391 char_u *expr_start;
|
|
|
1392 char_u *expr_end;
|
|
|
1393 int error = FALSE;
|
|
|
1394
|
|
|
1395 do
|
|
|
1396 {
|
|
|
1397 /* Find the end of the name. */
|
|
|
1398 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1399
|
|
|
1400 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1401 {
|
|
|
1402 emsg_severe = TRUE;
|
|
|
1403 EMSG(_(e_trailing));
|
|
|
1404 break;
|
|
|
1405 }
|
|
|
1406
|
|
|
1407 if (!error && !eap->skip)
|
|
|
1408 {
|
|
|
1409 #ifdef FEAT_MAGIC_BRACES
|
|
|
1410 if (expr_start != NULL)
|
|
|
1411 {
|
|
|
1412 char_u *temp_string;
|
|
|
1413
|
|
|
1414 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1415 expr_end, name_end);
|
|
|
1416 if (temp_string == NULL)
|
|
|
1417 {
|
|
|
1418 /*
|
|
|
1419 * Report an invalid expression in braces, unless the
|
|
|
1420 * expression evaluation has been cancelled due to an
|
|
|
1421 * aborting error, an interrupt, or an exception.
|
|
|
1422 */
|
|
|
1423 if (!aborting())
|
|
|
1424 {
|
|
|
1425 emsg_severe = TRUE;
|
|
|
1426 EMSG2(_(e_invarg2), arg);
|
|
|
1427 break;
|
|
|
1428 }
|
|
|
1429 error = TRUE;
|
|
|
1430 }
|
|
|
1431 else
|
|
|
1432 {
|
|
|
1433 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1434 {
|
|
|
1435 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1436 error = TRUE;
|
|
|
1437 }
|
|
|
1438 vim_free(temp_string);
|
|
|
1439 }
|
|
|
1440 }
|
|
|
1441 else
|
|
|
1442 #endif
|
|
|
1443 {
|
|
|
1444 cc = *name_end;
|
|
|
1445 *name_end = NUL;
|
|
|
1446
|
|
|
1447 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1448 {
|
|
|
1449 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1450 error = TRUE;
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 *name_end = cc;
|
|
|
1454 }
|
|
|
1455 }
|
|
|
1456 arg = skipwhite(name_end);
|
|
|
1457 } while (!ends_excmd(*arg));
|
|
|
1458
|
|
|
1459 eap->nextcmd = check_nextcmd(arg);
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 /*
|
|
|
1463 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1464 */
|
|
|
1465 int
|
|
|
1466 do_unlet(name)
|
|
|
1467 char_u *name;
|
|
|
1468 {
|
|
|
1469 VAR v;
|
|
|
1470
|
|
|
1471 v = find_var(name, TRUE);
|
|
|
1472 if (v != NULL)
|
|
|
1473 {
|
|
|
1474 var_free_one(v);
|
|
|
1475 return OK;
|
|
|
1476 }
|
|
|
1477 return FAIL;
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1481 /*
|
|
|
1482 * Delete all "menutrans_" variables.
|
|
|
1483 */
|
|
|
1484 void
|
|
|
1485 del_menutrans_vars()
|
|
|
1486 {
|
|
|
1487 int i;
|
|
|
1488
|
|
|
1489 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1490 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1491 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1492 var_free_one(&VAR_ENTRY(i));
|
|
|
1493 }
|
|
|
1494 #endif
|
|
|
1495
|
|
|
1496 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1497
|
|
|
1498 /*
|
|
|
1499 * Local string buffer for the next two functions to store a variable name
|
|
|
1500 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1501 * get_user_var_name().
|
|
|
1502 */
|
|
|
1503
|
|
|
1504 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1505
|
|
|
1506 static char_u *varnamebuf = NULL;
|
|
|
1507 static int varnamebuflen = 0;
|
|
|
1508
|
|
|
1509 /*
|
|
|
1510 * Function to concatenate a prefix and a variable name.
|
|
|
1511 */
|
|
|
1512 static char_u *
|
|
|
1513 cat_prefix_varname(prefix, name)
|
|
|
1514 int prefix;
|
|
|
1515 char_u *name;
|
|
|
1516 {
|
|
|
1517 int len;
|
|
|
1518
|
|
|
1519 len = (int)STRLEN(name) + 3;
|
|
|
1520 if (len > varnamebuflen)
|
|
|
1521 {
|
|
|
1522 vim_free(varnamebuf);
|
|
|
1523 len += 10; /* some additional space */
|
|
|
1524 varnamebuf = alloc(len);
|
|
|
1525 if (varnamebuf == NULL)
|
|
|
1526 {
|
|
|
1527 varnamebuflen = 0;
|
|
|
1528 return NULL;
|
|
|
1529 }
|
|
|
1530 varnamebuflen = len;
|
|
|
1531 }
|
|
|
1532 *varnamebuf = prefix;
|
|
|
1533 varnamebuf[1] = ':';
|
|
|
1534 STRCPY(varnamebuf + 2, name);
|
|
|
1535 return varnamebuf;
|
|
|
1536 }
|
|
|
1537
|
|
|
1538 /*
|
|
|
1539 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1540 * (global/buffer/window/built-in) variable names.
|
|
|
1541 */
|
|
|
1542 /*ARGSUSED*/
|
|
|
1543 char_u *
|
|
|
1544 get_user_var_name(xp, idx)
|
|
|
1545 expand_T *xp;
|
|
|
1546 int idx;
|
|
|
1547 {
|
|
|
1548 static int gidx;
|
|
|
1549 static int bidx;
|
|
|
1550 static int widx;
|
|
|
1551 static int vidx;
|
|
|
1552 char_u *name;
|
|
|
1553
|
|
|
1554 if (idx == 0)
|
|
|
1555 gidx = bidx = widx = vidx = 0;
|
|
|
1556 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1557 {
|
|
|
1558 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1559 && gidx < variables.ga_len)
|
|
|
1560 /* skip */;
|
|
|
1561 if (name != NULL)
|
|
|
1562 {
|
|
|
1563 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1564 return cat_prefix_varname('g', name);
|
|
|
1565 else
|
|
|
1566 return name;
|
|
|
1567 }
|
|
|
1568 }
|
|
|
1569 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1570 {
|
|
|
1571 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1572 && bidx < curbuf->b_vars.ga_len)
|
|
|
1573 /* skip */;
|
|
|
1574 if (name != NULL)
|
|
|
1575 return cat_prefix_varname('b', name);
|
|
|
1576 }
|
|
|
1577 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1578 {
|
|
|
1579 ++bidx;
|
|
|
1580 return (char_u *)"b:changedtick";
|
|
|
1581 }
|
|
|
1582 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1583 {
|
|
|
1584 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1585 && widx < curwin->w_vars.ga_len)
|
|
|
1586 /* skip */;
|
|
|
1587 if (name != NULL)
|
|
|
1588 return cat_prefix_varname('w', name);
|
|
|
1589 }
|
|
|
1590 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1591 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1592
|
|
|
1593 vim_free(varnamebuf);
|
|
|
1594 varnamebuf = NULL;
|
|
|
1595 varnamebuflen = 0;
|
|
|
1596 return NULL;
|
|
|
1597 }
|
|
|
1598
|
|
|
1599 #endif /* FEAT_CMDL_COMPL */
|
|
|
1600
|
|
|
1601 /*
|
|
|
1602 * types for expressions.
|
|
|
1603 */
|
|
|
1604 typedef enum
|
|
|
1605 {
|
|
|
1606 TYPE_UNKNOWN = 0
|
|
|
1607 , TYPE_EQUAL /* == */
|
|
|
1608 , TYPE_NEQUAL /* != */
|
|
|
1609 , TYPE_GREATER /* > */
|
|
|
1610 , TYPE_GEQUAL /* >= */
|
|
|
1611 , TYPE_SMALLER /* < */
|
|
|
1612 , TYPE_SEQUAL /* <= */
|
|
|
1613 , TYPE_MATCH /* =~ */
|
|
|
1614 , TYPE_NOMATCH /* !~ */
|
|
|
1615 } exptype_T;
|
|
|
1616
|
|
|
1617 /*
|
|
|
1618 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1619 * executed. The function may return OK, but the retvar will be of type
|
|
|
1620 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1621 */
|
|
|
1622
|
|
|
1623 /*
|
|
|
1624 * Handle zero level expression.
|
|
|
1625 * This calls eval1() and handles error message and nextcmd.
|
|
|
1626 * Return OK or FAIL.
|
|
|
1627 */
|
|
|
1628 static int
|
|
|
1629 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1630 char_u *arg;
|
|
|
1631 VAR retvar;
|
|
|
1632 char_u **nextcmd;
|
|
|
1633 int evaluate;
|
|
|
1634 {
|
|
|
1635 int ret;
|
|
|
1636 char_u *p;
|
|
|
1637
|
|
|
1638 p = skipwhite(arg);
|
|
|
1639 ret = eval1(&p, retvar, evaluate);
|
|
|
1640 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1641 {
|
|
|
1642 if (ret != FAIL)
|
|
|
1643 clear_var(retvar);
|
|
|
1644 /*
|
|
|
1645 * Report the invalid expression unless the expression evaluation has
|
|
|
1646 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1647 * exception.
|
|
|
1648 */
|
|
|
1649 if (!aborting())
|
|
|
1650 EMSG2(_(e_invexpr2), arg);
|
|
|
1651 ret = FAIL;
|
|
|
1652 }
|
|
|
1653 if (nextcmd != NULL)
|
|
|
1654 *nextcmd = check_nextcmd(p);
|
|
|
1655
|
|
|
1656 return ret;
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 /*
|
|
|
1660 * Handle top level expression:
|
|
|
1661 * expr1 ? expr0 : expr0
|
|
|
1662 *
|
|
|
1663 * "arg" must point to the first non-white of the expression.
|
|
|
1664 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1665 *
|
|
|
1666 * Return OK or FAIL.
|
|
|
1667 */
|
|
|
1668 static int
|
|
|
1669 eval1(arg, retvar, evaluate)
|
|
|
1670 char_u **arg;
|
|
|
1671 VAR retvar;
|
|
|
1672 int evaluate;
|
|
|
1673 {
|
|
|
1674 int result;
|
|
|
1675 var var2;
|
|
|
1676
|
|
|
1677 /*
|
|
|
1678 * Get the first variable.
|
|
|
1679 */
|
|
|
1680 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1681 return FAIL;
|
|
|
1682
|
|
|
1683 if ((*arg)[0] == '?')
|
|
|
1684 {
|
|
|
1685 result = FALSE;
|
|
|
1686 if (evaluate)
|
|
|
1687 {
|
|
|
1688 if (get_var_number(retvar) != 0)
|
|
|
1689 result = TRUE;
|
|
|
1690 clear_var(retvar);
|
|
|
1691 }
|
|
|
1692
|
|
|
1693 /*
|
|
|
1694 * Get the second variable.
|
|
|
1695 */
|
|
|
1696 *arg = skipwhite(*arg + 1);
|
|
|
1697 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1698 return FAIL;
|
|
|
1699
|
|
|
1700 /*
|
|
|
1701 * Check for the ":".
|
|
|
1702 */
|
|
|
1703 if ((*arg)[0] != ':')
|
|
|
1704 {
|
|
|
1705 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1706 if (evaluate && result)
|
|
|
1707 clear_var(retvar);
|
|
|
1708 return FAIL;
|
|
|
1709 }
|
|
|
1710
|
|
|
1711 /*
|
|
|
1712 * Get the third variable.
|
|
|
1713 */
|
|
|
1714 *arg = skipwhite(*arg + 1);
|
|
|
1715 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1716 {
|
|
|
1717 if (evaluate && result)
|
|
|
1718 clear_var(retvar);
|
|
|
1719 return FAIL;
|
|
|
1720 }
|
|
|
1721 if (evaluate && !result)
|
|
|
1722 *retvar = var2;
|
|
|
1723 }
|
|
|
1724
|
|
|
1725 return OK;
|
|
|
1726 }
|
|
|
1727
|
|
|
1728 /*
|
|
|
1729 * Handle first level expression:
|
|
|
1730 * expr2 || expr2 || expr2 logical OR
|
|
|
1731 *
|
|
|
1732 * "arg" must point to the first non-white of the expression.
|
|
|
1733 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1734 *
|
|
|
1735 * Return OK or FAIL.
|
|
|
1736 */
|
|
|
1737 static int
|
|
|
1738 eval2(arg, retvar, evaluate)
|
|
|
1739 char_u **arg;
|
|
|
1740 VAR retvar;
|
|
|
1741 int evaluate;
|
|
|
1742 {
|
|
|
1743 var var2;
|
|
|
1744 long result;
|
|
|
1745 int first;
|
|
|
1746
|
|
|
1747 /*
|
|
|
1748 * Get the first variable.
|
|
|
1749 */
|
|
|
1750 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1751 return FAIL;
|
|
|
1752
|
|
|
1753 /*
|
|
|
1754 * Repeat until there is no following "||".
|
|
|
1755 */
|
|
|
1756 first = TRUE;
|
|
|
1757 result = FALSE;
|
|
|
1758 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1759 {
|
|
|
1760 if (evaluate && first)
|
|
|
1761 {
|
|
|
1762 if (get_var_number(retvar) != 0)
|
|
|
1763 result = TRUE;
|
|
|
1764 clear_var(retvar);
|
|
|
1765 first = FALSE;
|
|
|
1766 }
|
|
|
1767
|
|
|
1768 /*
|
|
|
1769 * Get the second variable.
|
|
|
1770 */
|
|
|
1771 *arg = skipwhite(*arg + 2);
|
|
|
1772 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1773 return FAIL;
|
|
|
1774
|
|
|
1775 /*
|
|
|
1776 * Compute the result.
|
|
|
1777 */
|
|
|
1778 if (evaluate && !result)
|
|
|
1779 {
|
|
|
1780 if (get_var_number(&var2) != 0)
|
|
|
1781 result = TRUE;
|
|
|
1782 clear_var(&var2);
|
|
|
1783 }
|
|
|
1784 if (evaluate)
|
|
|
1785 {
|
|
|
1786 retvar->var_type = VAR_NUMBER;
|
|
|
1787 retvar->var_val.var_number = result;
|
|
|
1788 }
|
|
|
1789 }
|
|
|
1790
|
|
|
1791 return OK;
|
|
|
1792 }
|
|
|
1793
|
|
|
1794 /*
|
|
|
1795 * Handle second level expression:
|
|
|
1796 * expr3 && expr3 && expr3 logical AND
|
|
|
1797 *
|
|
|
1798 * "arg" must point to the first non-white of the expression.
|
|
|
1799 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1800 *
|
|
|
1801 * Return OK or FAIL.
|
|
|
1802 */
|
|
|
1803 static int
|
|
|
1804 eval3(arg, retvar, evaluate)
|
|
|
1805 char_u **arg;
|
|
|
1806 VAR retvar;
|
|
|
1807 int evaluate;
|
|
|
1808 {
|
|
|
1809 var var2;
|
|
|
1810 long result;
|
|
|
1811 int first;
|
|
|
1812
|
|
|
1813 /*
|
|
|
1814 * Get the first variable.
|
|
|
1815 */
|
|
|
1816 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1817 return FAIL;
|
|
|
1818
|
|
|
1819 /*
|
|
|
1820 * Repeat until there is no following "&&".
|
|
|
1821 */
|
|
|
1822 first = TRUE;
|
|
|
1823 result = TRUE;
|
|
|
1824 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1825 {
|
|
|
1826 if (evaluate && first)
|
|
|
1827 {
|
|
|
1828 if (get_var_number(retvar) == 0)
|
|
|
1829 result = FALSE;
|
|
|
1830 clear_var(retvar);
|
|
|
1831 first = FALSE;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 /*
|
|
|
1835 * Get the second variable.
|
|
|
1836 */
|
|
|
1837 *arg = skipwhite(*arg + 2);
|
|
|
1838 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1839 return FAIL;
|
|
|
1840
|
|
|
1841 /*
|
|
|
1842 * Compute the result.
|
|
|
1843 */
|
|
|
1844 if (evaluate && result)
|
|
|
1845 {
|
|
|
1846 if (get_var_number(&var2) == 0)
|
|
|
1847 result = FALSE;
|
|
|
1848 clear_var(&var2);
|
|
|
1849 }
|
|
|
1850 if (evaluate)
|
|
|
1851 {
|
|
|
1852 retvar->var_type = VAR_NUMBER;
|
|
|
1853 retvar->var_val.var_number = result;
|
|
|
1854 }
|
|
|
1855 }
|
|
|
1856
|
|
|
1857 return OK;
|
|
|
1858 }
|
|
|
1859
|
|
|
1860 /*
|
|
|
1861 * Handle third level expression:
|
|
|
1862 * var1 == var2
|
|
|
1863 * var1 =~ var2
|
|
|
1864 * var1 != var2
|
|
|
1865 * var1 !~ var2
|
|
|
1866 * var1 > var2
|
|
|
1867 * var1 >= var2
|
|
|
1868 * var1 < var2
|
|
|
1869 * var1 <= var2
|
|
|
1870 *
|
|
|
1871 * "arg" must point to the first non-white of the expression.
|
|
|
1872 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1873 *
|
|
|
1874 * Return OK or FAIL.
|
|
|
1875 */
|
|
|
1876 static int
|
|
|
1877 eval4(arg, retvar, evaluate)
|
|
|
1878 char_u **arg;
|
|
|
1879 VAR retvar;
|
|
|
1880 int evaluate;
|
|
|
1881 {
|
|
|
1882 var var2;
|
|
|
1883 char_u *p;
|
|
|
1884 int i;
|
|
|
1885 exptype_T type = TYPE_UNKNOWN;
|
|
|
1886 int len = 2;
|
|
|
1887 long n1, n2;
|
|
|
1888 char_u *s1, *s2;
|
|
|
1889 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1890 regmatch_T regmatch;
|
|
|
1891 int ic;
|
|
|
1892 char_u *save_cpo;
|
|
|
1893
|
|
|
1894 /*
|
|
|
1895 * Get the first variable.
|
|
|
1896 */
|
|
|
1897 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1898 return FAIL;
|
|
|
1899
|
|
|
1900 p = *arg;
|
|
|
1901 switch (p[0])
|
|
|
1902 {
|
|
|
1903 case '=': if (p[1] == '=')
|
|
|
1904 type = TYPE_EQUAL;
|
|
|
1905 else if (p[1] == '~')
|
|
|
1906 type = TYPE_MATCH;
|
|
|
1907 break;
|
|
|
1908 case '!': if (p[1] == '=')
|
|
|
1909 type = TYPE_NEQUAL;
|
|
|
1910 else if (p[1] == '~')
|
|
|
1911 type = TYPE_NOMATCH;
|
|
|
1912 break;
|
|
|
1913 case '>': if (p[1] != '=')
|
|
|
1914 {
|
|
|
1915 type = TYPE_GREATER;
|
|
|
1916 len = 1;
|
|
|
1917 }
|
|
|
1918 else
|
|
|
1919 type = TYPE_GEQUAL;
|
|
|
1920 break;
|
|
|
1921 case '<': if (p[1] != '=')
|
|
|
1922 {
|
|
|
1923 type = TYPE_SMALLER;
|
|
|
1924 len = 1;
|
|
|
1925 }
|
|
|
1926 else
|
|
|
1927 type = TYPE_SEQUAL;
|
|
|
1928 break;
|
|
|
1929 }
|
|
|
1930
|
|
|
1931 /*
|
|
|
1932 * If there is a comparitive operator, use it.
|
|
|
1933 */
|
|
|
1934 if (type != TYPE_UNKNOWN)
|
|
|
1935 {
|
|
|
1936 /* extra question mark appended: ignore case */
|
|
|
1937 if (p[len] == '?')
|
|
|
1938 {
|
|
|
1939 ic = TRUE;
|
|
|
1940 ++len;
|
|
|
1941 }
|
|
|
1942 /* extra '#' appended: match case */
|
|
|
1943 else if (p[len] == '#')
|
|
|
1944 {
|
|
|
1945 ic = FALSE;
|
|
|
1946 ++len;
|
|
|
1947 }
|
|
|
1948 /* nothing appened: use 'ignorecase' */
|
|
|
1949 else
|
|
|
1950 ic = p_ic;
|
|
|
1951
|
|
|
1952 /*
|
|
|
1953 * Get the second variable.
|
|
|
1954 */
|
|
|
1955 *arg = skipwhite(p + len);
|
|
|
1956 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1957 {
|
|
|
1958 clear_var(retvar);
|
|
|
1959 return FAIL;
|
|
|
1960 }
|
|
|
1961
|
|
|
1962 if (evaluate)
|
|
|
1963 {
|
|
|
1964 /*
|
|
|
1965 * If one of the two variables is a number, compare as a number.
|
|
|
1966 * When using "=~" or "!~", always compare as string.
|
|
|
1967 */
|
|
|
1968 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
1969 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
1970 {
|
|
|
1971 n1 = get_var_number(retvar);
|
|
|
1972 n2 = get_var_number(&var2);
|
|
|
1973 switch (type)
|
|
|
1974 {
|
|
|
1975 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
1976 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
1977 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
1978 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
1979 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
1980 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
1981 case TYPE_UNKNOWN:
|
|
|
1982 case TYPE_MATCH:
|
|
|
1983 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
1984 }
|
|
|
1985 }
|
|
|
1986 else
|
|
|
1987 {
|
|
|
1988 s1 = get_var_string_buf(retvar, buf1);
|
|
|
1989 s2 = get_var_string_buf(&var2, buf2);
|
|
|
1990 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
1991 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
1992 else
|
|
|
1993 i = 0;
|
|
|
1994 n1 = FALSE;
|
|
|
1995 switch (type)
|
|
|
1996 {
|
|
|
1997 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
1998 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
1999 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2000 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2001 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2002 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2003
|
|
|
2004 case TYPE_MATCH:
|
|
|
2005 case TYPE_NOMATCH:
|
|
|
2006 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2007 save_cpo = p_cpo;
|
|
|
2008 p_cpo = (char_u *)"";
|
|
|
2009 regmatch.regprog = vim_regcomp(s2,
|
|
|
2010 RE_MAGIC + RE_STRING);
|
|
|
2011 regmatch.rm_ic = ic;
|
|
|
2012 if (regmatch.regprog != NULL)
|
|
|
2013 {
|
|
|
2014 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2015 vim_free(regmatch.regprog);
|
|
|
2016 if (type == TYPE_NOMATCH)
|
|
|
2017 n1 = !n1;
|
|
|
2018 }
|
|
|
2019 p_cpo = save_cpo;
|
|
|
2020 break;
|
|
|
2021
|
|
|
2022 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2023 }
|
|
|
2024 }
|
|
|
2025 clear_var(retvar);
|
|
|
2026 clear_var(&var2);
|
|
|
2027 retvar->var_type = VAR_NUMBER;
|
|
|
2028 retvar->var_val.var_number = n1;
|
|
|
2029 }
|
|
|
2030 }
|
|
|
2031
|
|
|
2032 return OK;
|
|
|
2033 }
|
|
|
2034
|
|
|
2035 /*
|
|
|
2036 * Handle fourth level expression:
|
|
|
2037 * + number addition
|
|
|
2038 * - number subtraction
|
|
|
2039 * . string concatenation
|
|
|
2040 *
|
|
|
2041 * "arg" must point to the first non-white of the expression.
|
|
|
2042 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2043 *
|
|
|
2044 * Return OK or FAIL.
|
|
|
2045 */
|
|
|
2046 static int
|
|
|
2047 eval5(arg, retvar, evaluate)
|
|
|
2048 char_u **arg;
|
|
|
2049 VAR retvar;
|
|
|
2050 int evaluate;
|
|
|
2051 {
|
|
|
2052 var var2;
|
|
|
2053 int op;
|
|
|
2054 long n1, n2;
|
|
|
2055 char_u *s1, *s2;
|
|
|
2056 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2057 char_u *p;
|
|
|
2058
|
|
|
2059 /*
|
|
|
2060 * Get the first variable.
|
|
|
2061 */
|
|
|
2062 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2063 return FAIL;
|
|
|
2064
|
|
|
2065 /*
|
|
|
2066 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2067 */
|
|
|
2068 for (;;)
|
|
|
2069 {
|
|
|
2070 op = **arg;
|
|
|
2071 if (op != '+' && op != '-' && op != '.')
|
|
|
2072 break;
|
|
|
2073
|
|
|
2074 /*
|
|
|
2075 * Get the second variable.
|
|
|
2076 */
|
|
|
2077 *arg = skipwhite(*arg + 1);
|
|
|
2078 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2079 {
|
|
|
2080 clear_var(retvar);
|
|
|
2081 return FAIL;
|
|
|
2082 }
|
|
|
2083
|
|
|
2084 if (evaluate)
|
|
|
2085 {
|
|
|
2086 /*
|
|
|
2087 * Compute the result.
|
|
|
2088 */
|
|
|
2089 if (op == '.')
|
|
|
2090 {
|
|
|
2091 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2092 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2093 op = (int)STRLEN(s1);
|
|
|
2094 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2095 if (p != NULL)
|
|
|
2096 {
|
|
|
2097 STRCPY(p, s1);
|
|
|
2098 STRCPY(p + op, s2);
|
|
|
2099 }
|
|
|
2100 clear_var(retvar);
|
|
|
2101 retvar->var_type = VAR_STRING;
|
|
|
2102 retvar->var_val.var_string = p;
|
|
|
2103 }
|
|
|
2104 else
|
|
|
2105 {
|
|
|
2106 n1 = get_var_number(retvar);
|
|
|
2107 n2 = get_var_number(&var2);
|
|
|
2108 clear_var(retvar);
|
|
|
2109 if (op == '+')
|
|
|
2110 n1 = n1 + n2;
|
|
|
2111 else
|
|
|
2112 n1 = n1 - n2;
|
|
|
2113 retvar->var_type = VAR_NUMBER;
|
|
|
2114 retvar->var_val.var_number = n1;
|
|
|
2115 }
|
|
|
2116 clear_var(&var2);
|
|
|
2117 }
|
|
|
2118 }
|
|
|
2119 return OK;
|
|
|
2120 }
|
|
|
2121
|
|
|
2122 /*
|
|
|
2123 * Handle fifth level expression:
|
|
|
2124 * * number multiplication
|
|
|
2125 * / number division
|
|
|
2126 * % number modulo
|
|
|
2127 *
|
|
|
2128 * "arg" must point to the first non-white of the expression.
|
|
|
2129 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2130 *
|
|
|
2131 * Return OK or FAIL.
|
|
|
2132 */
|
|
|
2133 static int
|
|
|
2134 eval6(arg, retvar, evaluate)
|
|
|
2135 char_u **arg;
|
|
|
2136 VAR retvar;
|
|
|
2137 int evaluate;
|
|
|
2138 {
|
|
|
2139 var var2;
|
|
|
2140 int op;
|
|
|
2141 long n1, n2;
|
|
|
2142
|
|
|
2143 /*
|
|
|
2144 * Get the first variable.
|
|
|
2145 */
|
|
|
2146 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2147 return FAIL;
|
|
|
2148
|
|
|
2149 /*
|
|
|
2150 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2151 */
|
|
|
2152 for (;;)
|
|
|
2153 {
|
|
|
2154 op = **arg;
|
|
|
2155 if (op != '*' && op != '/' && op != '%')
|
|
|
2156 break;
|
|
|
2157
|
|
|
2158 if (evaluate)
|
|
|
2159 {
|
|
|
2160 n1 = get_var_number(retvar);
|
|
|
2161 clear_var(retvar);
|
|
|
2162 }
|
|
|
2163 else
|
|
|
2164 n1 = 0;
|
|
|
2165
|
|
|
2166 /*
|
|
|
2167 * Get the second variable.
|
|
|
2168 */
|
|
|
2169 *arg = skipwhite(*arg + 1);
|
|
|
2170 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2171 return FAIL;
|
|
|
2172
|
|
|
2173 if (evaluate)
|
|
|
2174 {
|
|
|
2175 n2 = get_var_number(&var2);
|
|
|
2176 clear_var(&var2);
|
|
|
2177
|
|
|
2178 /*
|
|
|
2179 * Compute the result.
|
|
|
2180 */
|
|
|
2181 if (op == '*')
|
|
|
2182 n1 = n1 * n2;
|
|
|
2183 else if (op == '/')
|
|
|
2184 {
|
|
|
2185 if (n2 == 0) /* give an error message? */
|
|
|
2186 n1 = 0x7fffffffL;
|
|
|
2187 else
|
|
|
2188 n1 = n1 / n2;
|
|
|
2189 }
|
|
|
2190 else
|
|
|
2191 {
|
|
|
2192 if (n2 == 0) /* give an error message? */
|
|
|
2193 n1 = 0;
|
|
|
2194 else
|
|
|
2195 n1 = n1 % n2;
|
|
|
2196 }
|
|
|
2197 retvar->var_type = VAR_NUMBER;
|
|
|
2198 retvar->var_val.var_number = n1;
|
|
|
2199 }
|
|
|
2200 }
|
|
|
2201
|
|
|
2202 return OK;
|
|
|
2203 }
|
|
|
2204
|
|
|
2205 /*
|
|
|
2206 * Handle sixth level expression:
|
|
|
2207 * number number constant
|
|
|
2208 * "string" string contstant
|
|
|
2209 * 'string' literal string contstant
|
|
|
2210 * &option-name option value
|
|
|
2211 * @r register contents
|
|
|
2212 * identifier variable value
|
|
|
2213 * function() function call
|
|
|
2214 * $VAR environment variable
|
|
|
2215 * (expression) nested expression
|
|
|
2216 *
|
|
|
2217 * Also handle:
|
|
|
2218 * ! in front logical NOT
|
|
|
2219 * - in front unary minus
|
|
|
2220 * + in front unary plus (ignored)
|
|
|
2221 * trailing [] subscript in String
|
|
|
2222 *
|
|
|
2223 * "arg" must point to the first non-white of the expression.
|
|
|
2224 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2225 *
|
|
|
2226 * Return OK or FAIL.
|
|
|
2227 */
|
|
|
2228 static int
|
|
|
2229 eval7(arg, retvar, evaluate)
|
|
|
2230 char_u **arg;
|
|
|
2231 VAR retvar;
|
|
|
2232 int evaluate;
|
|
|
2233 {
|
|
|
2234 var var2;
|
|
|
2235 long n;
|
|
|
2236 int len;
|
|
|
2237 char_u *s;
|
|
|
2238 int val;
|
|
|
2239 char_u *start_leader, *end_leader;
|
|
|
2240 int ret = OK;
|
|
|
2241 char_u *alias;
|
|
|
2242
|
|
|
2243 /*
|
|
|
2244 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2245 * and free a string that isn't there.
|
|
|
2246 */
|
|
|
2247 retvar->var_type = VAR_UNKNOWN;
|
|
|
2248
|
|
|
2249 /*
|
|
|
2250 * Skip '!' and '-' characters. They are handled later.
|
|
|
2251 */
|
|
|
2252 start_leader = *arg;
|
|
|
2253 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2254 *arg = skipwhite(*arg + 1);
|
|
|
2255 end_leader = *arg;
|
|
|
2256
|
|
|
2257 switch (**arg)
|
|
|
2258 {
|
|
|
2259 /*
|
|
|
2260 * Number constant.
|
|
|
2261 */
|
|
|
2262 case '0':
|
|
|
2263 case '1':
|
|
|
2264 case '2':
|
|
|
2265 case '3':
|
|
|
2266 case '4':
|
|
|
2267 case '5':
|
|
|
2268 case '6':
|
|
|
2269 case '7':
|
|
|
2270 case '8':
|
|
|
2271 case '9':
|
|
|
2272 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2273 *arg += len;
|
|
|
2274 if (evaluate)
|
|
|
2275 {
|
|
|
2276 retvar->var_type = VAR_NUMBER;
|
|
|
2277 retvar->var_val.var_number = n;
|
|
|
2278 }
|
|
|
2279 break;
|
|
|
2280
|
|
|
2281 /*
|
|
|
2282 * String constant: "string".
|
|
|
2283 */
|
|
|
2284 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2285 break;
|
|
|
2286
|
|
|
2287 /*
|
|
|
2288 * Literal string constant: 'string'.
|
|
|
2289 */
|
|
|
2290 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2291 break;
|
|
|
2292
|
|
|
2293 /*
|
|
|
2294 * Option value: &name
|
|
|
2295 */
|
|
|
2296 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2297 break;
|
|
|
2298
|
|
|
2299 /*
|
|
|
2300 * Environment variable: $VAR.
|
|
|
2301 */
|
|
|
2302 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2303 break;
|
|
|
2304
|
|
|
2305 /*
|
|
|
2306 * Register contents: @r.
|
|
|
2307 */
|
|
|
2308 case '@': ++*arg;
|
|
|
2309 if (evaluate)
|
|
|
2310 {
|
|
|
2311 retvar->var_type = VAR_STRING;
|
|
|
2312 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2313 }
|
|
|
2314 if (**arg != NUL)
|
|
|
2315 ++*arg;
|
|
|
2316 break;
|
|
|
2317
|
|
|
2318 /*
|
|
|
2319 * nested expression: (expression).
|
|
|
2320 */
|
|
|
2321 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2322 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2323 if (**arg == ')')
|
|
|
2324 ++*arg;
|
|
|
2325 else if (ret == OK)
|
|
|
2326 {
|
|
|
2327 EMSG(_("E110: Missing ')'"));
|
|
|
2328 clear_var(retvar);
|
|
|
2329 ret = FAIL;
|
|
|
2330 }
|
|
|
2331 break;
|
|
|
2332
|
|
|
2333 /*
|
|
|
2334 * Must be a variable or function name then.
|
|
|
2335 */
|
|
|
2336 default: s = *arg;
|
|
|
2337 len = get_func_len(arg, &alias, evaluate);
|
|
|
2338 if (alias != NULL)
|
|
|
2339 s = alias;
|
|
|
2340
|
|
|
2341 if (len == 0)
|
|
|
2342 ret = FAIL;
|
|
|
2343 else
|
|
|
2344 {
|
|
|
2345 if (**arg == '(') /* recursive! */
|
|
|
2346 {
|
|
|
2347 ret = get_func_var(s, len, retvar, arg,
|
|
|
2348 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2349 &len, evaluate);
|
|
|
2350 /* Stop the expression evaluation when immediately
|
|
|
2351 * aborting on error, or when an interrupt occurred or
|
|
|
2352 * an exception was thrown but not caught. */
|
|
|
2353 if (aborting())
|
|
|
2354 {
|
|
|
2355 if (ret == OK)
|
|
|
2356 clear_var(retvar);
|
|
|
2357 ret = FAIL;
|
|
|
2358 }
|
|
|
2359 }
|
|
|
2360 else if (evaluate)
|
|
|
2361 ret = get_var_var(s, len, retvar);
|
|
|
2362 }
|
|
|
2363
|
|
|
2364 if (alias != NULL)
|
|
|
2365 vim_free(alias);
|
|
|
2366
|
|
|
2367 break;
|
|
|
2368 }
|
|
|
2369 *arg = skipwhite(*arg);
|
|
|
2370
|
|
|
2371 /*
|
|
|
2372 * Handle expr[expr] subscript.
|
|
|
2373 */
|
|
|
2374 if (**arg == '[' && ret == OK)
|
|
|
2375 {
|
|
|
2376 /*
|
|
|
2377 * Get the variable from inside the [].
|
|
|
2378 */
|
|
|
2379 *arg = skipwhite(*arg + 1);
|
|
|
2380 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2381 {
|
|
|
2382 clear_var(retvar);
|
|
|
2383 return FAIL;
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 /* Check for the ']'. */
|
|
|
2387 if (**arg != ']')
|
|
|
2388 {
|
|
|
2389 EMSG(_("E111: Missing ']'"));
|
|
|
2390 clear_var(retvar);
|
|
|
2391 clear_var(&var2);
|
|
|
2392 return FAIL;
|
|
|
2393 }
|
|
|
2394
|
|
|
2395 if (evaluate)
|
|
|
2396 {
|
|
|
2397 n = get_var_number(&var2);
|
|
|
2398 clear_var(&var2);
|
|
|
2399
|
|
|
2400 /*
|
|
|
2401 * The resulting variable is a string of a single character.
|
|
|
2402 * If the index is too big or negative, the result is empty.
|
|
|
2403 */
|
|
|
2404 s = get_var_string(retvar);
|
|
|
2405 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2406 s = NULL;
|
|
|
2407 else
|
|
|
2408 s = vim_strnsave(s + n, 1);
|
|
|
2409 clear_var(retvar);
|
|
|
2410 retvar->var_type = VAR_STRING;
|
|
|
2411 retvar->var_val.var_string = s;
|
|
|
2412 }
|
|
|
2413 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2414 }
|
|
|
2415
|
|
|
2416 /*
|
|
|
2417 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2418 */
|
|
|
2419 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2420 {
|
|
|
2421 val = get_var_number(retvar);
|
|
|
2422 while (end_leader > start_leader)
|
|
|
2423 {
|
|
|
2424 --end_leader;
|
|
|
2425 if (*end_leader == '!')
|
|
|
2426 val = !val;
|
|
|
2427 else if (*end_leader == '-')
|
|
|
2428 val = -val;
|
|
|
2429 }
|
|
|
2430 clear_var(retvar);
|
|
|
2431 retvar->var_type = VAR_NUMBER;
|
|
|
2432 retvar->var_val.var_number = val;
|
|
|
2433 }
|
|
|
2434
|
|
|
2435 return ret;
|
|
|
2436 }
|
|
|
2437
|
|
|
2438 /*
|
|
|
2439 * Get an option value.
|
|
|
2440 * "arg" points to the '&' or '+' before the option name.
|
|
|
2441 * "arg" is advanced to character after the option name.
|
|
|
2442 * Return OK or FAIL.
|
|
|
2443 */
|
|
|
2444 static int
|
|
|
2445 get_option_var(arg, retvar, evaluate)
|
|
|
2446 char_u **arg;
|
|
|
2447 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2448 int evaluate;
|
|
|
2449 {
|
|
|
2450 char_u *option_end;
|
|
|
2451 long numval;
|
|
|
2452 char_u *stringval;
|
|
|
2453 int opt_type;
|
|
|
2454 int c;
|
|
|
2455 int working = (**arg == '+'); /* has("+option") */
|
|
|
2456 int ret = OK;
|
|
|
2457 int opt_flags;
|
|
|
2458
|
|
|
2459 /*
|
|
|
2460 * Isolate the option name and find its value.
|
|
|
2461 */
|
|
|
2462 option_end = find_option_end(arg, &opt_flags);
|
|
|
2463 if (option_end == NULL)
|
|
|
2464 {
|
|
|
2465 if (retvar != NULL)
|
|
|
2466 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2467 return FAIL;
|
|
|
2468 }
|
|
|
2469
|
|
|
2470 if (!evaluate)
|
|
|
2471 {
|
|
|
2472 *arg = option_end;
|
|
|
2473 return OK;
|
|
|
2474 }
|
|
|
2475
|
|
|
2476 c = *option_end;
|
|
|
2477 *option_end = NUL;
|
|
|
2478 opt_type = get_option_value(*arg, &numval,
|
|
|
2479 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2480
|
|
|
2481 if (opt_type == -3) /* invalid name */
|
|
|
2482 {
|
|
|
2483 if (retvar != NULL)
|
|
|
2484 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2485 ret = FAIL;
|
|
|
2486 }
|
|
|
2487 else if (retvar != NULL)
|
|
|
2488 {
|
|
|
2489 if (opt_type == -2) /* hidden string option */
|
|
|
2490 {
|
|
|
2491 retvar->var_type = VAR_STRING;
|
|
|
2492 retvar->var_val.var_string = NULL;
|
|
|
2493 }
|
|
|
2494 else if (opt_type == -1) /* hidden number option */
|
|
|
2495 {
|
|
|
2496 retvar->var_type = VAR_NUMBER;
|
|
|
2497 retvar->var_val.var_number = 0;
|
|
|
2498 }
|
|
|
2499 else if (opt_type == 1) /* number option */
|
|
|
2500 {
|
|
|
2501 retvar->var_type = VAR_NUMBER;
|
|
|
2502 retvar->var_val.var_number = numval;
|
|
|
2503 }
|
|
|
2504 else /* string option */
|
|
|
2505 {
|
|
|
2506 retvar->var_type = VAR_STRING;
|
|
|
2507 retvar->var_val.var_string = stringval;
|
|
|
2508 }
|
|
|
2509 }
|
|
|
2510 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2511 ret = FAIL;
|
|
|
2512
|
|
|
2513 *option_end = c; /* put back for error messages */
|
|
|
2514 *arg = option_end;
|
|
|
2515
|
|
|
2516 return ret;
|
|
|
2517 }
|
|
|
2518
|
|
|
2519 /*
|
|
|
2520 * Allocate a variable for a string constant.
|
|
|
2521 * Return OK or FAIL.
|
|
|
2522 */
|
|
|
2523 static int
|
|
|
2524 get_string_var(arg, retvar, evaluate)
|
|
|
2525 char_u **arg;
|
|
|
2526 VAR retvar;
|
|
|
2527 int evaluate;
|
|
|
2528 {
|
|
|
2529 char_u *p;
|
|
|
2530 char_u *name;
|
|
|
2531 int i;
|
|
|
2532 int extra = 0;
|
|
|
2533
|
|
|
2534 /*
|
|
|
2535 * Find the end of the string, skipping backslashed characters.
|
|
|
2536 */
|
|
|
2537 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2538 {
|
|
|
2539 if (*p == '\\' && p[1] != NUL)
|
|
|
2540 {
|
|
|
2541 ++p;
|
|
|
2542 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2543 * to 6 characters: reserve space for 2 extra */
|
|
|
2544 if (*p == '<')
|
|
|
2545 extra += 2;
|
|
|
2546 }
|
|
|
2547 #ifdef FEAT_MBYTE
|
|
|
2548 if (has_mbyte)
|
|
|
2549 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2550 #endif
|
|
|
2551 }
|
|
|
2552
|
|
|
2553 if (*p != '"')
|
|
|
2554 {
|
|
|
2555 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2556 return FAIL;
|
|
|
2557 }
|
|
|
2558
|
|
|
2559 /* If only parsing, set *arg and return here */
|
|
|
2560 if (!evaluate)
|
|
|
2561 {
|
|
|
2562 *arg = p + 1;
|
|
|
2563 return OK;
|
|
|
2564 }
|
|
|
2565
|
|
|
2566 /*
|
|
|
2567 * Copy the string into allocated memory, handling backslashed
|
|
|
2568 * characters.
|
|
|
2569 */
|
|
|
2570 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2571 if (name == NULL)
|
|
|
2572 return FAIL;
|
|
|
2573
|
|
|
2574 i = 0;
|
|
|
2575 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2576 {
|
|
|
2577 if (*p == '\\')
|
|
|
2578 {
|
|
|
2579 switch (*++p)
|
|
|
2580 {
|
|
|
2581 case 'b': name[i++] = BS; break;
|
|
|
2582 case 'e': name[i++] = ESC; break;
|
|
|
2583 case 'f': name[i++] = FF; break;
|
|
|
2584 case 'n': name[i++] = NL; break;
|
|
|
2585 case 'r': name[i++] = CAR; break;
|
|
|
2586 case 't': name[i++] = TAB; break;
|
|
|
2587
|
|
|
2588 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2589 case 'x':
|
|
|
2590 case 'u': /* Unicode: "\u0023" */
|
|
|
2591 case 'U':
|
|
|
2592 if (vim_isxdigit(p[1]))
|
|
|
2593 {
|
|
|
2594 int n, nr;
|
|
|
2595 int c = toupper(*p);
|
|
|
2596
|
|
|
2597 if (c == 'X')
|
|
|
2598 n = 2;
|
|
|
2599 else
|
|
|
2600 n = 4;
|
|
|
2601 nr = 0;
|
|
|
2602 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2603 {
|
|
|
2604 ++p;
|
|
|
2605 nr = (nr << 4) + hex2nr(*p);
|
|
|
2606 }
|
|
|
2607 #ifdef FEAT_MBYTE
|
|
|
2608 /* For "\u" store the number according to
|
|
|
2609 * 'encoding'. */
|
|
|
2610 if (c != 'X')
|
|
|
2611 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2612 else
|
|
|
2613 #endif
|
|
|
2614 name[i++] = nr;
|
|
|
2615 }
|
|
|
2616 else
|
|
|
2617 name[i++] = *p;
|
|
|
2618 break;
|
|
|
2619
|
|
|
2620 /* octal: "\1", "\12", "\123" */
|
|
|
2621 case '0':
|
|
|
2622 case '1':
|
|
|
2623 case '2':
|
|
|
2624 case '3':
|
|
|
2625 case '4':
|
|
|
2626 case '5':
|
|
|
2627 case '6':
|
|
|
2628 case '7': name[i] = *p - '0';
|
|
|
2629 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2630 {
|
|
|
2631 ++p;
|
|
|
2632 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2633 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2634 {
|
|
|
2635 ++p;
|
|
|
2636 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2637 }
|
|
|
2638 }
|
|
|
2639 ++i;
|
|
|
2640 break;
|
|
|
2641
|
|
|
2642 /* Special key, e.g.: "\<C-W>" */
|
|
|
2643 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2644 if (extra != 0)
|
|
|
2645 {
|
|
|
2646 i += extra;
|
|
|
2647 --p;
|
|
|
2648 break;
|
|
|
2649 }
|
|
|
2650 /* FALLTHROUGH */
|
|
|
2651
|
|
|
2652 default: name[i++] = *p;
|
|
|
2653 break;
|
|
|
2654 }
|
|
|
2655 }
|
|
|
2656 else
|
|
|
2657 name[i++] = *p;
|
|
|
2658
|
|
|
2659 #ifdef FEAT_MBYTE
|
|
|
2660 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2661 if (has_mbyte)
|
|
|
2662 {
|
|
|
2663 int l = (*mb_ptr2len_check)(p);
|
|
|
2664
|
|
|
2665 while (--l > 0)
|
|
|
2666 name[i++] = *++p;
|
|
|
2667 }
|
|
|
2668 #endif
|
|
|
2669 }
|
|
|
2670 name[i] = NUL;
|
|
|
2671 *arg = p + 1;
|
|
|
2672
|
|
|
2673 retvar->var_type = VAR_STRING;
|
|
|
2674 retvar->var_val.var_string = name;
|
|
|
2675
|
|
|
2676 return OK;
|
|
|
2677 }
|
|
|
2678
|
|
|
2679 /*
|
|
|
2680 * Allocate a variable for an backtick-string constant.
|
|
|
2681 * Return OK or FAIL.
|
|
|
2682 */
|
|
|
2683 static int
|
|
|
2684 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2685 char_u **arg;
|
|
|
2686 VAR retvar;
|
|
|
2687 int evaluate;
|
|
|
2688 {
|
|
|
2689 char_u *p;
|
|
|
2690 char_u *name;
|
|
|
2691
|
|
|
2692 /*
|
|
|
2693 * Find the end of the string.
|
|
|
2694 */
|
|
|
2695 p = vim_strchr(*arg + 1, '\'');
|
|
|
2696 if (p == NULL)
|
|
|
2697 {
|
|
|
2698 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2699 return FAIL;
|
|
|
2700 }
|
|
|
2701
|
|
|
2702 if (evaluate)
|
|
|
2703 {
|
|
|
2704 /*
|
|
|
2705 * Copy the string into allocated memory.
|
|
|
2706 */
|
|
|
2707 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2708 if (name == NULL)
|
|
|
2709 return FAIL;
|
|
|
2710
|
|
|
2711 retvar->var_type = VAR_STRING;
|
|
|
2712 retvar->var_val.var_string = name;
|
|
|
2713 }
|
|
|
2714
|
|
|
2715 *arg = p + 1;
|
|
|
2716
|
|
|
2717 return OK;
|
|
|
2718 }
|
|
|
2719
|
|
|
2720 /*
|
|
|
2721 * Get the value of an environment variable.
|
|
|
2722 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2723 * If the environment variable was not set, silently assume it is empty.
|
|
|
2724 * Always return OK.
|
|
|
2725 */
|
|
|
2726 static int
|
|
|
2727 get_env_var(arg, retvar, evaluate)
|
|
|
2728 char_u **arg;
|
|
|
2729 VAR retvar;
|
|
|
2730 int evaluate;
|
|
|
2731 {
|
|
|
2732 char_u *string = NULL;
|
|
|
2733 int len;
|
|
|
2734 int cc;
|
|
|
2735 char_u *name;
|
|
|
2736
|
|
|
2737 ++*arg;
|
|
|
2738 name = *arg;
|
|
|
2739 len = get_env_len(arg);
|
|
|
2740 if (evaluate)
|
|
|
2741 {
|
|
|
2742 if (len != 0)
|
|
|
2743 {
|
|
|
2744 cc = name[len];
|
|
|
2745 name[len] = NUL;
|
|
|
2746 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2747 string = mch_getenv(name);
|
|
|
2748 if (string != NULL && *string != NUL)
|
|
|
2749 string = vim_strsave(string);
|
|
|
2750 else
|
|
|
2751 {
|
|
|
2752 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2753 string = expand_env_save(name - 1);
|
|
|
2754 if (string != NULL && *string == '$')
|
|
|
2755 {
|
|
|
2756 vim_free(string);
|
|
|
2757 string = NULL;
|
|
|
2758 }
|
|
|
2759 }
|
|
|
2760 name[len] = cc;
|
|
|
2761 }
|
|
|
2762 retvar->var_type = VAR_STRING;
|
|
|
2763 retvar->var_val.var_string = string;
|
|
|
2764 }
|
|
|
2765
|
|
|
2766 return OK;
|
|
|
2767 }
|
|
|
2768
|
|
|
2769 /*
|
|
|
2770 * Array with names and number of arguments of all internal functions
|
|
|
2771 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2772 */
|
|
|
2773 static struct fst
|
|
|
2774 {
|
|
|
2775 char *f_name; /* function name */
|
|
|
2776 char f_min_argc; /* minimal number of arguments */
|
|
|
2777 char f_max_argc; /* maximal number of arguments */
|
|
|
2778 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2779 } functions[] =
|
|
|
2780 {
|
|
|
2781 {"append", 2, 2, f_append},
|
|
|
2782 {"argc", 0, 0, f_argc},
|
|
|
2783 {"argidx", 0, 0, f_argidx},
|
|
|
2784 {"argv", 1, 1, f_argv},
|
|
|
2785 {"browse", 4, 4, f_browse},
|
|
|
2786 {"bufexists", 1, 1, f_bufexists},
|
|
|
2787 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2788 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2789 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2790 {"buflisted", 1, 1, f_buflisted},
|
|
|
2791 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2792 {"bufname", 1, 1, f_bufname},
|
|
|
2793 {"bufnr", 1, 1, f_bufnr},
|
|
|
2794 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2795 {"byte2line", 1, 1, f_byte2line},
|
|
|
2796 {"char2nr", 1, 1, f_char2nr},
|
|
|
2797 {"cindent", 1, 1, f_cindent},
|
|
|
2798 {"col", 1, 1, f_col},
|
|
|
2799 {"confirm", 1, 4, f_confirm},
|
|
|
2800 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2801 {"cursor", 2, 2, f_cursor},
|
|
|
2802 {"delete", 1, 1, f_delete},
|
|
|
2803 {"did_filetype", 0, 0, f_did_filetype},
|
|
|
2804 {"escape", 2, 2, f_escape},
|
|
|
2805 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2806 {"executable", 1, 1, f_executable},
|
|
|
2807 {"exists", 1, 1, f_exists},
|
|
|
2808 {"expand", 1, 2, f_expand},
|
|
|
2809 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2810 {"filereadable", 1, 1, f_filereadable},
|
|
|
2811 {"filewritable", 1, 1, f_filewritable},
|
|
|
2812 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2813 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2814 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2815 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2816 {"foldtext", 0, 0, f_foldtext},
|
|
|
2817 {"foreground", 0, 0, f_foreground},
|
|
|
2818 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2819 {"getchar", 0, 1, f_getchar},
|
|
|
2820 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2821 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2822 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2823 {"getcwd", 0, 0, f_getcwd},
|
|
|
2824 {"getfsize", 1, 1, f_getfsize},
|
|
|
2825 {"getftime", 1, 1, f_getftime},
|
|
|
2826 {"getline", 1, 1, f_getline},
|
|
|
2827 {"getreg", 0, 1, f_getreg},
|
|
|
2828 {"getregtype", 0, 1, f_getregtype},
|
|
|
2829 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2830 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2831 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2832 {"glob", 1, 1, f_glob},
|
|
|
2833 {"globpath", 2, 2, f_globpath},
|
|
|
2834 {"has", 1, 1, f_has},
|
|
|
2835 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2836 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2837 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2838 {"histadd", 2, 2, f_histadd},
|
|
|
2839 {"histdel", 1, 2, f_histdel},
|
|
|
2840 {"histget", 1, 2, f_histget},
|
|
|
2841 {"histnr", 1, 1, f_histnr},
|
|
|
2842 {"hlID", 1, 1, f_hlID},
|
|
|
2843 {"hlexists", 1, 1, f_hlexists},
|
|
|
2844 {"hostname", 0, 0, f_hostname},
|
|
|
2845 {"iconv", 3, 3, f_iconv},
|
|
|
2846 {"indent", 1, 1, f_indent},
|
|
|
2847 {"input", 1, 2, f_input},
|
|
|
2848 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2849 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2850 {"inputsave", 0, 0, f_inputsave},
|
|
|
2851 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2852 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2853 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2854 {"libcall", 3, 3, f_libcall},
|
|
|
2855 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2856 {"line", 1, 1, f_line},
|
|
|
2857 {"line2byte", 1, 1, f_line2byte},
|
|
|
2858 {"lispindent", 1, 1, f_lispindent},
|
|
|
2859 {"localtime", 0, 0, f_localtime},
|
|
|
2860 {"maparg", 1, 2, f_maparg},
|
|
|
2861 {"mapcheck", 1, 2, f_mapcheck},
|
|
|
2862 {"match", 2, 3, f_match},
|
|
|
2863 {"matchend", 2, 3, f_matchend},
|
|
|
2864 {"matchstr", 2, 3, f_matchstr},
|
|
|
2865 {"mode", 0, 0, f_mode},
|
|
|
2866 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2867 {"nr2char", 1, 1, f_nr2char},
|
|
|
2868 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2869 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2870 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2871 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2872 {"remote_read", 1, 1, f_remote_read},
|
|
|
2873 {"remote_send", 2, 3, f_remote_send},
|
|
|
2874 {"rename", 2, 2, f_rename},
|
|
|
2875 {"resolve", 1, 1, f_resolve},
|
|
|
2876 {"search", 1, 2, f_search},
|
|
|
2877 {"searchpair", 3, 5, f_searchpair},
|
|
|
2878 {"server2client", 2, 2, f_server2client},
|
|
|
2879 {"serverlist", 0, 0, f_serverlist},
|
|
|
2880 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2881 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2882 {"setline", 2, 2, f_setline},
|
|
|
2883 {"setreg", 2, 3, f_setreg},
|
|
|
2884 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2885 {"simplify", 1, 1, f_simplify},
|
|
|
2886 #ifdef HAVE_STRFTIME
|
|
|
2887 {"strftime", 1, 2, f_strftime},
|
|
|
2888 #endif
|
|
|
2889 {"stridx", 2, 2, f_stridx},
|
|
|
2890 {"strlen", 1, 1, f_strlen},
|
|
|
2891 {"strpart", 2, 3, f_strpart},
|
|
|
2892 {"strridx", 2, 2, f_strridx},
|
|
|
2893 {"strtrans", 1, 1, f_strtrans},
|
|
|
2894 {"submatch", 1, 1, f_submatch},
|
|
|
2895 {"substitute", 4, 4, f_substitute},
|
|
|
2896 {"synID", 3, 3, f_synID},
|
|
|
2897 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2898 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
|
2899 {"system", 1, 1, f_system},
|
|
|
2900 {"tempname", 0, 0, f_tempname},
|
|
|
2901 {"tolower", 1, 1, f_tolower},
|
|
|
2902 {"toupper", 1, 1, f_toupper},
|
|
|
2903 {"type", 1, 1, f_type},
|
|
|
2904 {"virtcol", 1, 1, f_virtcol},
|
|
|
2905 {"visualmode", 0, 1, f_visualmode},
|
|
|
2906 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2907 {"wincol", 0, 0, f_wincol},
|
|
|
2908 {"winheight", 1, 1, f_winheight},
|
|
|
2909 {"winline", 0, 0, f_winline},
|
|
|
2910 {"winnr", 0, 0, f_winnr},
|
|
|
2911 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2912 {"winwidth", 1, 1, f_winwidth},
|
|
|
2913 };
|
|
|
2914
|
|
|
2915 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2916
|
|
|
2917 /*
|
|
|
2918 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2919 * or user defined function names.
|
|
|
2920 */
|
|
|
2921 char_u *
|
|
|
2922 get_function_name(xp, idx)
|
|
|
2923 expand_T *xp;
|
|
|
2924 int idx;
|
|
|
2925 {
|
|
|
2926 static int intidx = -1;
|
|
|
2927 char_u *name;
|
|
|
2928
|
|
|
2929 if (idx == 0)
|
|
|
2930 intidx = -1;
|
|
|
2931 if (intidx < 0)
|
|
|
2932 {
|
|
|
2933 name = get_user_func_name(xp, idx);
|
|
|
2934 if (name != NULL)
|
|
|
2935 return name;
|
|
|
2936 }
|
|
|
2937 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2938 {
|
|
|
2939 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2940 STRCAT(IObuff, "(");
|
|
|
2941 if (functions[intidx].f_max_argc == 0)
|
|
|
2942 STRCAT(IObuff, ")");
|
|
|
2943 return IObuff;
|
|
|
2944 }
|
|
|
2945
|
|
|
2946 return NULL;
|
|
|
2947 }
|
|
|
2948
|
|
|
2949 /*
|
|
|
2950 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2951 * user defined variable or function names.
|
|
|
2952 */
|
|
|
2953 /*ARGSUSED*/
|
|
|
2954 char_u *
|
|
|
2955 get_expr_name(xp, idx)
|
|
|
2956 expand_T *xp;
|
|
|
2957 int idx;
|
|
|
2958 {
|
|
|
2959 static int intidx = -1;
|
|
|
2960 char_u *name;
|
|
|
2961
|
|
|
2962 if (idx == 0)
|
|
|
2963 intidx = -1;
|
|
|
2964 if (intidx < 0)
|
|
|
2965 {
|
|
|
2966 name = get_function_name(xp, idx);
|
|
|
2967 if (name != NULL)
|
|
|
2968 return name;
|
|
|
2969 }
|
|
|
2970 return get_user_var_name(xp, ++intidx);
|
|
|
2971 }
|
|
|
2972
|
|
|
2973 #endif /* FEAT_CMDL_COMPL */
|
|
|
2974
|
|
|
2975 /*
|
|
|
2976 * Find internal function in table above.
|
|
|
2977 * Return index, or -1 if not found
|
|
|
2978 */
|
|
|
2979 static int
|
|
|
2980 find_internal_func(name)
|
|
|
2981 char_u *name; /* name of the function */
|
|
|
2982 {
|
|
|
2983 int first = 0;
|
|
|
2984 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
2985 int cmp;
|
|
|
2986 int x;
|
|
|
2987
|
|
|
2988 /*
|
|
|
2989 * Find the function name in the table. Binary search.
|
|
|
2990 */
|
|
|
2991 while (first <= last)
|
|
|
2992 {
|
|
|
2993 x = first + ((unsigned)(last - first) >> 1);
|
|
|
2994 cmp = STRCMP(name, functions[x].f_name);
|
|
|
2995 if (cmp < 0)
|
|
|
2996 last = x - 1;
|
|
|
2997 else if (cmp > 0)
|
|
|
2998 first = x + 1;
|
|
|
2999 else
|
|
|
3000 return x;
|
|
|
3001 }
|
|
|
3002 return -1;
|
|
|
3003 }
|
|
|
3004
|
|
|
3005 /*
|
|
|
3006 * Allocate a variable for the result of a function.
|
|
|
3007 * Return OK or FAIL.
|
|
|
3008 */
|
|
|
3009 static int
|
|
|
3010 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3011 char_u *name; /* name of the function */
|
|
|
3012 int len; /* length of "name" */
|
|
|
3013 VAR retvar;
|
|
|
3014 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3015 linenr_T firstline; /* first line of range */
|
|
|
3016 linenr_T lastline; /* last line of range */
|
|
|
3017 int *doesrange; /* return: function handled range */
|
|
|
3018 int evaluate;
|
|
|
3019 {
|
|
|
3020 char_u *argp;
|
|
|
3021 int ret = OK;
|
|
|
3022 #define MAX_FUNC_ARGS 20
|
|
|
3023 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3024 int argcount = 0; /* number of arguments found */
|
|
|
3025
|
|
|
3026 /*
|
|
|
3027 * Get the arguments.
|
|
|
3028 */
|
|
|
3029 argp = *arg;
|
|
|
3030 while (argcount < MAX_FUNC_ARGS)
|
|
|
3031 {
|
|
|
3032 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3033 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3034 break;
|
|
|
3035 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3036 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3037 {
|
|
|
3038 ret = FAIL;
|
|
|
3039 break;
|
|
|
3040 }
|
|
|
3041 ++argcount;
|
|
|
3042 if (*argp != ',')
|
|
|
3043 break;
|
|
|
3044 }
|
|
|
3045 if (*argp == ')')
|
|
|
3046 ++argp;
|
|
|
3047 else
|
|
|
3048 ret = FAIL;
|
|
|
3049
|
|
|
3050 if (ret == OK)
|
|
|
3051 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3052 firstline, lastline, doesrange, evaluate);
|
|
|
3053 else if (!aborting())
|
|
|
3054 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3055
|
|
|
3056 while (--argcount >= 0)
|
|
|
3057 clear_var(&argvars[argcount]);
|
|
|
3058
|
|
|
3059 *arg = skipwhite(argp);
|
|
|
3060 return ret;
|
|
|
3061 }
|
|
|
3062
|
|
|
3063
|
|
|
3064 /*
|
|
|
3065 * Call a function with its resolved parameters
|
|
|
3066 * Return OK or FAIL.
|
|
|
3067 */
|
|
|
3068 static int
|
|
|
3069 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3070 doesrange, evaluate)
|
|
|
3071 char_u *name; /* name of the function */
|
|
|
3072 int len; /* length of "name" */
|
|
|
3073 VAR retvar; /* return value goes here */
|
|
|
3074 int argcount; /* number of "argvars" */
|
|
|
3075 VAR argvars; /* vars for arguments */
|
|
|
3076 linenr_T firstline; /* first line of range */
|
|
|
3077 linenr_T lastline; /* last line of range */
|
|
|
3078 int *doesrange; /* return: function handled range */
|
|
|
3079 int evaluate;
|
|
|
3080 {
|
|
|
3081 int ret = FAIL;
|
|
|
3082 static char *errors[] =
|
|
|
3083 {N_("E117: Unknown function: %s"),
|
|
|
3084 N_("E118: Too many arguments for function: %s"),
|
|
|
3085 N_("E119: Not enough arguments for function: %s"),
|
|
|
3086 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3087 };
|
|
|
3088 #define ERROR_UNKNOWN 0
|
|
|
3089 #define ERROR_TOOMANY 1
|
|
|
3090 #define ERROR_TOOFEW 2
|
|
|
3091 #define ERROR_SCRIPT 3
|
|
|
3092 #define ERROR_NONE 4
|
|
|
3093 #define ERROR_OTHER 5
|
|
|
3094 int error = ERROR_NONE;
|
|
|
3095 int i;
|
|
|
3096 int llen;
|
|
|
3097 ufunc_T *fp;
|
|
|
3098 int cc;
|
|
|
3099 #define FLEN_FIXED 40
|
|
|
3100 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3101 char_u *fname;
|
|
|
3102
|
|
|
3103 /*
|
|
|
3104 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3105 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3106 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3107 */
|
|
|
3108 cc = name[len];
|
|
|
3109 name[len] = NUL;
|
|
|
3110 llen = eval_fname_script(name);
|
|
|
3111 if (llen > 0)
|
|
|
3112 {
|
|
|
3113 fname_buf[0] = K_SPECIAL;
|
|
|
3114 fname_buf[1] = KS_EXTRA;
|
|
|
3115 fname_buf[2] = (int)KE_SNR;
|
|
|
3116 i = 3;
|
|
|
3117 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3118 {
|
|
|
3119 if (current_SID <= 0)
|
|
|
3120 error = ERROR_SCRIPT;
|
|
|
3121 else
|
|
|
3122 {
|
|
|
3123 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3124 i = (int)STRLEN(fname_buf);
|
|
|
3125 }
|
|
|
3126 }
|
|
|
3127 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3128 {
|
|
|
3129 STRCPY(fname_buf + i, name + llen);
|
|
|
3130 fname = fname_buf;
|
|
|
3131 }
|
|
|
3132 else
|
|
|
3133 {
|
|
|
3134 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3135 if (fname == NULL)
|
|
|
3136 error = ERROR_OTHER;
|
|
|
3137 else
|
|
|
3138 {
|
|
|
3139 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3140 STRCPY(fname + i, name + llen);
|
|
|
3141 }
|
|
|
3142 }
|
|
|
3143 }
|
|
|
3144 else
|
|
|
3145 fname = name;
|
|
|
3146
|
|
|
3147 *doesrange = FALSE;
|
|
|
3148
|
|
|
3149
|
|
|
3150 /* execute the function if no errors detected and executing */
|
|
|
3151 if (evaluate && error == ERROR_NONE)
|
|
|
3152 {
|
|
|
3153 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3154 error = ERROR_UNKNOWN;
|
|
|
3155
|
|
|
3156 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3157 {
|
|
|
3158 /*
|
|
|
3159 * User defined function.
|
|
|
3160 */
|
|
|
3161 fp = find_func(fname);
|
|
|
3162 #ifdef FEAT_AUTOCMD
|
|
|
3163 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3164 fname, fname, TRUE, NULL)
|
|
|
3165 #ifdef FEAT_EVAL
|
|
|
3166 && !aborting()
|
|
|
3167 #endif
|
|
|
3168 )
|
|
|
3169 {
|
|
|
3170 /* executed an autocommand, search for function again */
|
|
|
3171 fp = find_func(fname);
|
|
|
3172 }
|
|
|
3173 #endif
|
|
|
3174 if (fp != NULL)
|
|
|
3175 {
|
|
|
3176 if (fp->flags & FC_RANGE)
|
|
|
3177 *doesrange = TRUE;
|
|
|
3178 if (argcount < fp->args.ga_len)
|
|
|
3179 error = ERROR_TOOFEW;
|
|
|
3180 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3181 error = ERROR_TOOMANY;
|
|
|
3182 else
|
|
|
3183 {
|
|
|
3184 /*
|
|
|
3185 * Call the user function.
|
|
|
3186 * Save and restore search patterns, script variables and
|
|
|
3187 * redo buffer.
|
|
|
3188 */
|
|
|
3189 save_search_patterns();
|
|
|
3190 saveRedobuff();
|
|
|
3191 ++fp->calls;
|
|
|
3192 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3193 firstline, lastline);
|
|
|
3194 --fp->calls;
|
|
|
3195 restoreRedobuff();
|
|
|
3196 restore_search_patterns();
|
|
|
3197 error = ERROR_NONE;
|
|
|
3198 }
|
|
|
3199 }
|
|
|
3200 }
|
|
|
3201 else
|
|
|
3202 {
|
|
|
3203 /*
|
|
|
3204 * Find the function name in the table, call its implementation.
|
|
|
3205 */
|
|
|
3206 i = find_internal_func(fname);
|
|
|
3207 if (i >= 0)
|
|
|
3208 {
|
|
|
3209 if (argcount < functions[i].f_min_argc)
|
|
|
3210 error = ERROR_TOOFEW;
|
|
|
3211 else if (argcount > functions[i].f_max_argc)
|
|
|
3212 error = ERROR_TOOMANY;
|
|
|
3213 else
|
|
|
3214 {
|
|
|
3215 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3216 functions[i].f_func(argvars, retvar);
|
|
|
3217 error = ERROR_NONE;
|
|
|
3218 }
|
|
|
3219 }
|
|
|
3220 }
|
|
|
3221 /*
|
|
|
3222 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3223 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3224 * exception that has not been caught so far. This situation can be
|
|
|
3225 * tested for by calling aborting(). For an error in an internal
|
|
|
3226 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3227 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3228 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3229 * update that flag first to make aborting() reliable.
|
|
|
3230 */
|
|
|
3231 update_force_abort();
|
|
|
3232 }
|
|
|
3233 if (error == ERROR_NONE)
|
|
|
3234 ret = OK;
|
|
|
3235
|
|
|
3236 /*
|
|
|
3237 * Report an error unless the argument evaluation or function call has been
|
|
|
3238 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3239 */
|
|
|
3240 if (error < ERROR_NONE && !aborting())
|
|
|
3241 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3242
|
|
|
3243 name[len] = cc;
|
|
|
3244 if (fname != name && fname != fname_buf)
|
|
|
3245 vim_free(fname);
|
|
|
3246
|
|
|
3247 return ret;
|
|
|
3248 }
|
|
|
3249
|
|
|
3250 /*********************************************
|
|
|
3251 * Implementation of the built-in functions
|
|
|
3252 */
|
|
|
3253
|
|
|
3254 /*
|
|
|
3255 * "append(lnum, string)" function
|
|
|
3256 */
|
|
|
3257 static void
|
|
|
3258 f_append(argvars, retvar)
|
|
|
3259 VAR argvars;
|
|
|
3260 VAR retvar;
|
|
|
3261 {
|
|
|
3262 long lnum;
|
|
|
3263
|
|
|
3264 lnum = get_var_lnum(argvars);
|
|
|
3265 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3266
|
|
|
3267 if (lnum >= 0
|
|
|
3268 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3269 && u_save(lnum, lnum + 1) == OK)
|
|
|
3270 {
|
|
|
3271 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3272 if (curwin->w_cursor.lnum > lnum)
|
|
|
3273 ++curwin->w_cursor.lnum;
|
|
|
3274 appended_lines_mark(lnum, 1L);
|
|
|
3275 retvar->var_val.var_number = 0;
|
|
|
3276 }
|
|
|
3277 }
|
|
|
3278
|
|
|
3279 /*
|
|
|
3280 * "argc()" function
|
|
|
3281 */
|
|
|
3282 /* ARGSUSED */
|
|
|
3283 static void
|
|
|
3284 f_argc(argvars, retvar)
|
|
|
3285 VAR argvars;
|
|
|
3286 VAR retvar;
|
|
|
3287 {
|
|
|
3288 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3289 }
|
|
|
3290
|
|
|
3291 /*
|
|
|
3292 * "argidx()" function
|
|
|
3293 */
|
|
|
3294 /* ARGSUSED */
|
|
|
3295 static void
|
|
|
3296 f_argidx(argvars, retvar)
|
|
|
3297 VAR argvars;
|
|
|
3298 VAR retvar;
|
|
|
3299 {
|
|
|
3300 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3301 }
|
|
|
3302
|
|
|
3303 /*
|
|
|
3304 * "argv(nr)" function
|
|
|
3305 */
|
|
|
3306 static void
|
|
|
3307 f_argv(argvars, retvar)
|
|
|
3308 VAR argvars;
|
|
|
3309 VAR retvar;
|
|
|
3310 {
|
|
|
3311 int idx;
|
|
|
3312
|
|
|
3313 idx = get_var_number(&argvars[0]);
|
|
|
3314 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3315 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3316 else
|
|
|
3317 retvar->var_val.var_string = NULL;
|
|
|
3318 retvar->var_type = VAR_STRING;
|
|
|
3319 }
|
|
|
3320
|
|
|
3321 /*
|
|
|
3322 * "browse(save, title, initdir, default)" function
|
|
|
3323 */
|
|
|
3324 /* ARGSUSED */
|
|
|
3325 static void
|
|
|
3326 f_browse(argvars, retvar)
|
|
|
3327 VAR argvars;
|
|
|
3328 VAR retvar;
|
|
|
3329 {
|
|
|
3330 #ifdef FEAT_BROWSE
|
|
|
3331 int save;
|
|
|
3332 char_u *title;
|
|
|
3333 char_u *initdir;
|
|
|
3334 char_u *defname;
|
|
|
3335 char_u buf[NUMBUFLEN];
|
|
|
3336 char_u buf2[NUMBUFLEN];
|
|
|
3337
|
|
|
3338 save = get_var_number(&argvars[0]);
|
|
|
3339 title = get_var_string(&argvars[1]);
|
|
|
3340 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3341 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3342
|
|
|
3343 retvar->var_val.var_string =
|
|
|
3344 do_browse(save, title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3345 #else
|
|
|
3346 retvar->var_val.var_string = NULL;
|
|
|
3347 #endif
|
|
|
3348 retvar->var_type = VAR_STRING;
|
|
|
3349 }
|
|
|
3350
|
|
|
3351 /*
|
|
|
3352 * Find a buffer by number or exact name.
|
|
|
3353 */
|
|
|
3354 static buf_T *
|
|
|
3355 find_buffer(avar)
|
|
|
3356 VAR avar;
|
|
|
3357 {
|
|
|
3358 buf_T *buf = NULL;
|
|
|
3359 char_u *name;
|
|
|
3360
|
|
|
3361 if (avar->var_type == VAR_NUMBER)
|
|
|
3362 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3363 else if (avar->var_val.var_string != NULL)
|
|
|
3364 {
|
|
|
3365 /* First make the name into a full path name */
|
|
|
3366 name = FullName_save(avar->var_val.var_string,
|
|
|
3367 #ifdef UNIX
|
|
|
3368 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3369 #else
|
|
|
3370 FALSE
|
|
|
3371 #endif
|
|
|
3372 );
|
|
|
3373 if (name != NULL)
|
|
|
3374 {
|
|
|
3375 buf = buflist_findname(name);
|
|
|
3376 vim_free(name);
|
|
|
3377 }
|
|
|
3378 }
|
|
|
3379 return buf;
|
|
|
3380 }
|
|
|
3381
|
|
|
3382 /*
|
|
|
3383 * "bufexists(expr)" function
|
|
|
3384 */
|
|
|
3385 static void
|
|
|
3386 f_bufexists(argvars, retvar)
|
|
|
3387 VAR argvars;
|
|
|
3388 VAR retvar;
|
|
|
3389 {
|
|
|
3390 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3391 }
|
|
|
3392
|
|
|
3393 /*
|
|
|
3394 * "buflisted(expr)" function
|
|
|
3395 */
|
|
|
3396 static void
|
|
|
3397 f_buflisted(argvars, retvar)
|
|
|
3398 VAR argvars;
|
|
|
3399 VAR retvar;
|
|
|
3400 {
|
|
|
3401 buf_T *buf;
|
|
|
3402
|
|
|
3403 buf = find_buffer(&argvars[0]);
|
|
|
3404 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3405 }
|
|
|
3406
|
|
|
3407 /*
|
|
|
3408 * "bufloaded(expr)" function
|
|
|
3409 */
|
|
|
3410 static void
|
|
|
3411 f_bufloaded(argvars, retvar)
|
|
|
3412 VAR argvars;
|
|
|
3413 VAR retvar;
|
|
|
3414 {
|
|
|
3415 buf_T *buf;
|
|
|
3416
|
|
|
3417 buf = find_buffer(&argvars[0]);
|
|
|
3418 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3419 }
|
|
|
3420
|
|
|
3421 /*
|
|
|
3422 * Get buffer by number or pattern.
|
|
|
3423 */
|
|
|
3424 static buf_T *
|
|
|
3425 get_buf_var(avar)
|
|
|
3426 VAR avar;
|
|
|
3427 {
|
|
|
3428 char_u *name = avar->var_val.var_string;
|
|
|
3429 int save_magic;
|
|
|
3430 char_u *save_cpo;
|
|
|
3431 buf_T *buf;
|
|
|
3432
|
|
|
3433 if (avar->var_type == VAR_NUMBER)
|
|
|
3434 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3435 if (name == NULL || *name == NUL)
|
|
|
3436 return curbuf;
|
|
|
3437 if (name[0] == '$' && name[1] == NUL)
|
|
|
3438 return lastbuf;
|
|
|
3439
|
|
|
3440 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3441 save_magic = p_magic;
|
|
|
3442 p_magic = TRUE;
|
|
|
3443 save_cpo = p_cpo;
|
|
|
3444 p_cpo = (char_u *)"";
|
|
|
3445
|
|
|
3446 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3447 TRUE, FALSE));
|
|
|
3448
|
|
|
3449 p_magic = save_magic;
|
|
|
3450 p_cpo = save_cpo;
|
|
|
3451
|
|
|
3452 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3453 if (buf == NULL)
|
|
|
3454 buf = find_buffer(avar);
|
|
|
3455
|
|
|
3456 return buf;
|
|
|
3457 }
|
|
|
3458
|
|
|
3459 /*
|
|
|
3460 * "bufname(expr)" function
|
|
|
3461 */
|
|
|
3462 static void
|
|
|
3463 f_bufname(argvars, retvar)
|
|
|
3464 VAR argvars;
|
|
|
3465 VAR retvar;
|
|
|
3466 {
|
|
|
3467 buf_T *buf;
|
|
|
3468
|
|
|
3469 ++emsg_off;
|
|
|
3470 buf = get_buf_var(&argvars[0]);
|
|
|
3471 retvar->var_type = VAR_STRING;
|
|
|
3472 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3473 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3474 else
|
|
|
3475 retvar->var_val.var_string = NULL;
|
|
|
3476 --emsg_off;
|
|
|
3477 }
|
|
|
3478
|
|
|
3479 /*
|
|
|
3480 * "bufnr(expr)" function
|
|
|
3481 */
|
|
|
3482 static void
|
|
|
3483 f_bufnr(argvars, retvar)
|
|
|
3484 VAR argvars;
|
|
|
3485 VAR retvar;
|
|
|
3486 {
|
|
|
3487 buf_T *buf;
|
|
|
3488
|
|
|
3489 ++emsg_off;
|
|
|
3490 buf = get_buf_var(&argvars[0]);
|
|
|
3491 if (buf != NULL)
|
|
|
3492 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3493 else
|
|
|
3494 retvar->var_val.var_number = -1;
|
|
|
3495 --emsg_off;
|
|
|
3496 }
|
|
|
3497
|
|
|
3498 /*
|
|
|
3499 * "bufwinnr(nr)" function
|
|
|
3500 */
|
|
|
3501 static void
|
|
|
3502 f_bufwinnr(argvars, retvar)
|
|
|
3503 VAR argvars;
|
|
|
3504 VAR retvar;
|
|
|
3505 {
|
|
|
3506 #ifdef FEAT_WINDOWS
|
|
|
3507 win_T *wp;
|
|
|
3508 int winnr = 0;
|
|
|
3509 #endif
|
|
|
3510 buf_T *buf;
|
|
|
3511
|
|
|
3512 ++emsg_off;
|
|
|
3513 buf = get_buf_var(&argvars[0]);
|
|
|
3514 #ifdef FEAT_WINDOWS
|
|
|
3515 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3516 {
|
|
|
3517 ++winnr;
|
|
|
3518 if (wp->w_buffer == buf)
|
|
|
3519 break;
|
|
|
3520 }
|
|
|
3521 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3522 #else
|
|
|
3523 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3524 #endif
|
|
|
3525 --emsg_off;
|
|
|
3526 }
|
|
|
3527
|
|
|
3528 /*
|
|
|
3529 * "byte2line(byte)" function
|
|
|
3530 */
|
|
|
3531 /*ARGSUSED*/
|
|
|
3532 static void
|
|
|
3533 f_byte2line(argvars, retvar)
|
|
|
3534 VAR argvars;
|
|
|
3535 VAR retvar;
|
|
|
3536 {
|
|
|
3537 #ifndef FEAT_BYTEOFF
|
|
|
3538 retvar->var_val.var_number = -1;
|
|
|
3539 #else
|
|
|
3540 long boff = 0;
|
|
|
3541
|
|
|
3542 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3543 if (boff < 0)
|
|
|
3544 retvar->var_val.var_number = -1;
|
|
|
3545 else
|
|
|
3546 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3547 (linenr_T)0, &boff);
|
|
|
3548 #endif
|
|
|
3549 }
|
|
|
3550
|
|
|
3551 /*
|
|
|
3552 * "char2nr(string)" function
|
|
|
3553 */
|
|
|
3554 static void
|
|
|
3555 f_char2nr(argvars, retvar)
|
|
|
3556 VAR argvars;
|
|
|
3557 VAR retvar;
|
|
|
3558 {
|
|
|
3559 #ifdef FEAT_MBYTE
|
|
|
3560 if (has_mbyte)
|
|
|
3561 retvar->var_val.var_number =
|
|
|
3562 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3563 else
|
|
|
3564 #endif
|
|
|
3565 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3566 }
|
|
|
3567
|
|
|
3568 /*
|
|
|
3569 * "cindent(lnum)" function
|
|
|
3570 */
|
|
|
3571 static void
|
|
|
3572 f_cindent(argvars, retvar)
|
|
|
3573 VAR argvars;
|
|
|
3574 VAR retvar;
|
|
|
3575 {
|
|
|
3576 #ifdef FEAT_CINDENT
|
|
|
3577 pos_T pos;
|
|
|
3578 linenr_T lnum;
|
|
|
3579
|
|
|
3580 pos = curwin->w_cursor;
|
|
|
3581 lnum = get_var_lnum(argvars);
|
|
|
3582 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3583 {
|
|
|
3584 curwin->w_cursor.lnum = lnum;
|
|
|
3585 retvar->var_val.var_number = get_c_indent();
|
|
|
3586 curwin->w_cursor = pos;
|
|
|
3587 }
|
|
|
3588 else
|
|
|
3589 #endif
|
|
|
3590 retvar->var_val.var_number = -1;
|
|
|
3591 }
|
|
|
3592
|
|
|
3593 /*
|
|
|
3594 * "col(string)" function
|
|
|
3595 */
|
|
|
3596 static void
|
|
|
3597 f_col(argvars, retvar)
|
|
|
3598 VAR argvars;
|
|
|
3599 VAR retvar;
|
|
|
3600 {
|
|
|
3601 colnr_T col = 0;
|
|
|
3602 pos_T *fp;
|
|
|
3603
|
|
|
3604 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3605 if (fp != NULL)
|
|
|
3606 {
|
|
|
3607 if (fp->col == MAXCOL)
|
|
|
3608 {
|
|
|
3609 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3610 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3611 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3612 else
|
|
|
3613 col = MAXCOL;
|
|
|
3614 }
|
|
|
3615 else
|
|
|
3616 {
|
|
|
3617 col = fp->col + 1;
|
|
|
3618 #ifdef FEAT_VIRTUALEDIT
|
|
|
3619 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3620 * because of "coladd" can be seen as an extra column. */
|
|
|
3621 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3622 {
|
|
|
3623 char_u *p = ml_get_cursor();
|
|
|
3624
|
|
|
3625 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3626 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3627 {
|
|
|
3628 # ifdef FEAT_MBYTE
|
|
|
3629 int l;
|
|
|
3630
|
|
|
3631 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3632 col += l;
|
|
|
3633 # else
|
|
|
3634 if (*p != NUL && p[1] == NUL)
|
|
|
3635 ++col;
|
|
|
3636 # endif
|
|
|
3637 }
|
|
|
3638 }
|
|
|
3639 #endif
|
|
|
3640 }
|
|
|
3641 }
|
|
|
3642 retvar->var_val.var_number = col;
|
|
|
3643 }
|
|
|
3644
|
|
|
3645 /*
|
|
|
3646 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3647 */
|
|
|
3648 /*ARGSUSED*/
|
|
|
3649 static void
|
|
|
3650 f_confirm(argvars, retvar)
|
|
|
3651 VAR argvars;
|
|
|
3652 VAR retvar;
|
|
|
3653 {
|
|
|
3654 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3655 char_u *message;
|
|
|
3656 char_u *buttons = NULL;
|
|
|
3657 char_u buf[NUMBUFLEN];
|
|
|
3658 char_u buf2[NUMBUFLEN];
|
|
|
3659 int def = 1;
|
|
|
3660 int type = VIM_GENERIC;
|
|
|
3661 int c;
|
|
|
3662
|
|
|
3663 message = get_var_string(&argvars[0]);
|
|
|
3664 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3665 {
|
|
|
3666 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3667 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3668 {
|
|
|
3669 def = get_var_number(&argvars[2]);
|
|
|
3670 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3671 {
|
|
|
3672 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3673 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3674 switch (TOUPPER_ASC(c))
|
|
|
3675 {
|
|
|
3676 case 'E': type = VIM_ERROR; break;
|
|
|
3677 case 'Q': type = VIM_QUESTION; break;
|
|
|
3678 case 'I': type = VIM_INFO; break;
|
|
|
3679 case 'W': type = VIM_WARNING; break;
|
|
|
3680 case 'G': type = VIM_GENERIC; break;
|
|
|
3681 }
|
|
|
3682 }
|
|
|
3683 }
|
|
|
3684 }
|
|
|
3685
|
|
|
3686 if (buttons == NULL || *buttons == NUL)
|
|
|
3687 buttons = (char_u *)_("&Ok");
|
|
|
3688
|
|
|
3689 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3690 def, NULL);
|
|
|
3691 #else
|
|
|
3692 retvar->var_val.var_number = 0;
|
|
|
3693 #endif
|
|
|
3694 }
|
|
|
3695
|
|
|
3696
|
|
|
3697 /*
|
|
|
3698 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3699 *
|
|
|
3700 * Checks the existence of a cscope connection.
|
|
|
3701 */
|
|
|
3702 /*ARGSUSED*/
|
|
|
3703 static void
|
|
|
3704 f_cscope_connection(argvars, retvar)
|
|
|
3705 VAR argvars;
|
|
|
3706 VAR retvar;
|
|
|
3707 {
|
|
|
3708 #ifdef FEAT_CSCOPE
|
|
|
3709 int num = 0;
|
|
|
3710 char_u *dbpath = NULL;
|
|
|
3711 char_u *prepend = NULL;
|
|
|
3712 char_u buf[NUMBUFLEN];
|
|
|
3713
|
|
|
3714 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3715 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3716 {
|
|
|
3717 num = (int)get_var_number(&argvars[0]);
|
|
|
3718 dbpath = get_var_string(&argvars[1]);
|
|
|
3719 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3720 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3721 }
|
|
|
3722
|
|
|
3723 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3724 #else
|
|
|
3725 retvar->var_val.var_number = 0;
|
|
|
3726 #endif
|
|
|
3727 }
|
|
|
3728
|
|
|
3729 /*
|
|
|
3730 * "cursor(lnum, col)" function
|
|
|
3731 *
|
|
|
3732 * Moves the cursor to the specified line and column
|
|
|
3733 */
|
|
|
3734 /*ARGSUSED*/
|
|
|
3735 static void
|
|
|
3736 f_cursor(argvars, retvar)
|
|
|
3737 VAR argvars;
|
|
|
3738 VAR retvar;
|
|
|
3739 {
|
|
|
3740 long line, col;
|
|
|
3741
|
|
|
3742 line = get_var_lnum(argvars);
|
|
|
3743 if (line > 0)
|
|
|
3744 curwin->w_cursor.lnum = line;
|
|
|
3745 col = get_var_number(&argvars[1]);
|
|
|
3746 if (col > 0)
|
|
|
3747 curwin->w_cursor.col = col - 1;
|
|
|
3748 #ifdef FEAT_VIRTUALEDIT
|
|
|
3749 curwin->w_cursor.coladd = 0;
|
|
|
3750 #endif
|
|
|
3751
|
|
|
3752 /* Make sure the cursor is in a valid position. */
|
|
|
3753 check_cursor();
|
|
|
3754 #ifdef FEAT_MBYTE
|
|
|
3755 /* Correct cursor for multi-byte character. */
|
|
|
3756 if (has_mbyte)
|
|
|
3757 mb_adjust_cursor();
|
|
|
3758 #endif
|
|
|
3759 }
|
|
|
3760
|
|
|
3761 /*
|
|
|
3762 * "libcall()" function
|
|
|
3763 */
|
|
|
3764 static void
|
|
|
3765 f_libcall(argvars, retvar)
|
|
|
3766 VAR argvars;
|
|
|
3767 VAR retvar;
|
|
|
3768 {
|
|
|
3769 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3770 }
|
|
|
3771
|
|
|
3772 /*
|
|
|
3773 * "libcallnr()" function
|
|
|
3774 */
|
|
|
3775 static void
|
|
|
3776 f_libcallnr(argvars, retvar)
|
|
|
3777 VAR argvars;
|
|
|
3778 VAR retvar;
|
|
|
3779 {
|
|
|
3780 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3781 }
|
|
|
3782
|
|
|
3783 static void
|
|
|
3784 libcall_common(argvars, retvar, type)
|
|
|
3785 VAR argvars;
|
|
|
3786 VAR retvar;
|
|
|
3787 int type;
|
|
|
3788 {
|
|
|
3789 #ifdef FEAT_LIBCALL
|
|
|
3790 char_u *string_in;
|
|
|
3791 char_u **string_result;
|
|
|
3792 int nr_result;
|
|
|
3793 #endif
|
|
|
3794
|
|
|
3795 retvar->var_type = type;
|
|
|
3796 if (type == VAR_NUMBER)
|
|
|
3797 retvar->var_val.var_number = 0;
|
|
|
3798 else
|
|
|
3799 retvar->var_val.var_string = NULL;
|
|
|
3800
|
|
|
3801 if (check_restricted() || check_secure())
|
|
|
3802 return;
|
|
|
3803
|
|
|
3804 #ifdef FEAT_LIBCALL
|
|
|
3805 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3806 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3807 {
|
|
|
3808 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3809 string_in = NULL;
|
|
|
3810 else
|
|
|
3811 string_in = argvars[2].var_val.var_string;
|
|
|
3812 if (type == VAR_NUMBER)
|
|
|
3813 string_result = NULL;
|
|
|
3814 else
|
|
|
3815 string_result = &retvar->var_val.var_string;
|
|
|
3816 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3817 argvars[1].var_val.var_string,
|
|
|
3818 string_in,
|
|
|
3819 argvars[2].var_val.var_number,
|
|
|
3820 string_result,
|
|
|
3821 &nr_result) == OK
|
|
|
3822 && type == VAR_NUMBER)
|
|
|
3823 retvar->var_val.var_number = nr_result;
|
|
|
3824 }
|
|
|
3825 #endif
|
|
|
3826 }
|
|
|
3827
|
|
|
3828 /*
|
|
|
3829 * "delete()" function
|
|
|
3830 */
|
|
|
3831 static void
|
|
|
3832 f_delete(argvars, retvar)
|
|
|
3833 VAR argvars;
|
|
|
3834 VAR retvar;
|
|
|
3835 {
|
|
|
3836 if (check_restricted() || check_secure())
|
|
|
3837 retvar->var_val.var_number = -1;
|
|
|
3838 else
|
|
|
3839 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3840 }
|
|
|
3841
|
|
|
3842 /*
|
|
|
3843 * "did_filetype()" function
|
|
|
3844 */
|
|
|
3845 /*ARGSUSED*/
|
|
|
3846 static void
|
|
|
3847 f_did_filetype(argvars, retvar)
|
|
|
3848 VAR argvars;
|
|
|
3849 VAR retvar;
|
|
|
3850 {
|
|
|
3851 #ifdef FEAT_AUTOCMD
|
|
|
3852 retvar->var_val.var_number = did_filetype;
|
|
|
3853 #else
|
|
|
3854 retvar->var_val.var_number = 0;
|
|
|
3855 #endif
|
|
|
3856 }
|
|
|
3857
|
|
|
3858 /*
|
|
|
3859 * "escape({string}, {chars})" function
|
|
|
3860 */
|
|
|
3861 static void
|
|
|
3862 f_escape(argvars, retvar)
|
|
|
3863 VAR argvars;
|
|
|
3864 VAR retvar;
|
|
|
3865 {
|
|
|
3866 char_u buf[NUMBUFLEN];
|
|
|
3867
|
|
|
3868 retvar->var_val.var_string =
|
|
|
3869 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
3870 get_var_string_buf(&argvars[1], buf));
|
|
|
3871 retvar->var_type = VAR_STRING;
|
|
|
3872 }
|
|
|
3873
|
|
|
3874 /*
|
|
|
3875 * "eventhandler()" function
|
|
|
3876 */
|
|
|
3877 /*ARGSUSED*/
|
|
|
3878 static void
|
|
|
3879 f_eventhandler(argvars, retvar)
|
|
|
3880 VAR argvars;
|
|
|
3881 VAR retvar;
|
|
|
3882 {
|
|
|
3883 retvar->var_val.var_number = vgetc_busy;
|
|
|
3884 }
|
|
|
3885
|
|
|
3886 /*
|
|
|
3887 * "executable()" function
|
|
|
3888 */
|
|
|
3889 static void
|
|
|
3890 f_executable(argvars, retvar)
|
|
|
3891 VAR argvars;
|
|
|
3892 VAR retvar;
|
|
|
3893 {
|
|
|
3894 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
3895 }
|
|
|
3896
|
|
|
3897 /*
|
|
|
3898 * "exists()" function
|
|
|
3899 */
|
|
|
3900 static void
|
|
|
3901 f_exists(argvars, retvar)
|
|
|
3902 VAR argvars;
|
|
|
3903 VAR retvar;
|
|
|
3904 {
|
|
|
3905 char_u *p;
|
|
|
3906 char_u *name;
|
|
|
3907 int n = FALSE;
|
|
|
3908 int len = 0;
|
|
|
3909
|
|
|
3910 p = get_var_string(&argvars[0]);
|
|
|
3911 if (*p == '$') /* environment variable */
|
|
|
3912 {
|
|
|
3913 /* first try "normal" environment variables (fast) */
|
|
|
3914 if (mch_getenv(p + 1) != NULL)
|
|
|
3915 n = TRUE;
|
|
|
3916 else
|
|
|
3917 {
|
|
|
3918 /* try expanding things like $VIM and ${HOME} */
|
|
|
3919 p = expand_env_save(p);
|
|
|
3920 if (p != NULL && *p != '$')
|
|
|
3921 n = TRUE;
|
|
|
3922 vim_free(p);
|
|
|
3923 }
|
|
|
3924 }
|
|
|
3925 else if (*p == '&' || *p == '+') /* option */
|
|
|
3926 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
3927 else if (*p == '*') /* internal or user defined function */
|
|
|
3928 {
|
|
|
3929 ++p;
|
|
|
3930 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
3931 if (p != NULL)
|
|
|
3932 {
|
|
|
3933 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
3934 n = (find_func(p) != NULL);
|
|
|
3935 else if (ASCII_ISLOWER(*p))
|
|
|
3936 n = (find_internal_func(p) >= 0);
|
|
|
3937 vim_free(p);
|
|
|
3938 }
|
|
|
3939 }
|
|
|
3940 else if (*p == ':')
|
|
|
3941 {
|
|
|
3942 n = cmd_exists(p + 1);
|
|
|
3943 }
|
|
|
3944 else if (*p == '#')
|
|
|
3945 {
|
|
|
3946 #ifdef FEAT_AUTOCMD
|
|
|
3947 name = p + 1;
|
|
|
3948 p = vim_strchr(name, '#');
|
|
|
3949 if (p != NULL)
|
|
|
3950 n = au_exists(name, p, p + 1);
|
|
|
3951 else
|
|
|
3952 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
3953 #endif
|
|
|
3954 }
|
|
|
3955 else /* internal variable */
|
|
|
3956 {
|
|
|
3957 #ifdef FEAT_MAGIC_BRACES
|
|
|
3958 char_u *expr_start;
|
|
|
3959 char_u *expr_end;
|
|
|
3960 char_u *temp_string = NULL;
|
|
|
3961 char_u *s;
|
|
|
3962 #endif
|
|
|
3963 name = p;
|
|
|
3964
|
|
|
3965 #ifdef FEAT_MAGIC_BRACES
|
|
|
3966 /* Find the end of the name. */
|
|
|
3967 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
3968 if (expr_start != NULL)
|
|
|
3969 {
|
|
|
3970 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
3971 if (temp_string != NULL)
|
|
|
3972 {
|
|
|
3973 len = STRLEN(temp_string);
|
|
|
3974 name = temp_string;
|
|
|
3975 }
|
|
|
3976 }
|
|
|
3977 #endif
|
|
|
3978 if (len == 0)
|
|
|
3979 len = get_id_len(&p);
|
|
|
3980 if (len != 0)
|
|
|
3981 n = (get_var_var(name, len, NULL) == OK);
|
|
|
3982
|
|
|
3983 #ifdef FEAT_MAGIC_BRACES
|
|
|
3984 vim_free(temp_string);
|
|
|
3985 #endif
|
|
|
3986 }
|
|
|
3987
|
|
|
3988 retvar->var_val.var_number = n;
|
|
|
3989 }
|
|
|
3990
|
|
|
3991 /*
|
|
|
3992 * "expand()" function
|
|
|
3993 */
|
|
|
3994 static void
|
|
|
3995 f_expand(argvars, retvar)
|
|
|
3996 VAR argvars;
|
|
|
3997 VAR retvar;
|
|
|
3998 {
|
|
|
3999 char_u *s;
|
|
|
4000 int len;
|
|
|
4001 char_u *errormsg;
|
|
|
4002 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4003 expand_T xpc;
|
|
|
4004
|
|
|
4005 retvar->var_type = VAR_STRING;
|
|
|
4006 s = get_var_string(&argvars[0]);
|
|
|
4007 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4008 {
|
|
|
4009 ++emsg_off;
|
|
|
4010 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4011 --emsg_off;
|
|
|
4012 }
|
|
|
4013 else
|
|
|
4014 {
|
|
|
4015 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4016 * for 'suffixes' and 'wildignore' */
|
|
|
4017 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4018 flags |= WILD_KEEP_ALL;
|
|
|
4019 ExpandInit(&xpc);
|
|
|
4020 xpc.xp_context = EXPAND_FILES;
|
|
|
4021 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4022 ExpandCleanup(&xpc);
|
|
|
4023 }
|
|
|
4024 }
|
|
|
4025
|
|
|
4026 /*
|
|
|
4027 * "filereadable()" function
|
|
|
4028 */
|
|
|
4029 static void
|
|
|
4030 f_filereadable(argvars, retvar)
|
|
|
4031 VAR argvars;
|
|
|
4032 VAR retvar;
|
|
|
4033 {
|
|
|
4034 FILE *fd;
|
|
|
4035 char_u *p;
|
|
|
4036 int n;
|
|
|
4037
|
|
|
4038 p = get_var_string(&argvars[0]);
|
|
|
4039 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4040 {
|
|
|
4041 n = TRUE;
|
|
|
4042 fclose(fd);
|
|
|
4043 }
|
|
|
4044 else
|
|
|
4045 n = FALSE;
|
|
|
4046
|
|
|
4047 retvar->var_val.var_number = n;
|
|
|
4048 }
|
|
|
4049
|
|
|
4050 /*
|
|
|
4051 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4052 * rights to write into.
|
|
|
4053 */
|
|
|
4054 static void
|
|
|
4055 f_filewritable(argvars, retvar)
|
|
|
4056 VAR argvars;
|
|
|
4057 VAR retvar;
|
|
|
4058 {
|
|
|
4059 char_u *p;
|
|
|
4060 int retval = 0;
|
|
|
4061 #if defined(UNIX) || defined(VMS)
|
|
|
4062 int perm = 0;
|
|
|
4063 #endif
|
|
|
4064
|
|
|
4065 p = get_var_string(&argvars[0]);
|
|
|
4066 #if defined(UNIX) || defined(VMS)
|
|
|
4067 perm = mch_getperm(p);
|
|
|
4068 #endif
|
|
|
4069 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4070 if (
|
|
|
4071 # ifdef WIN3264
|
|
|
4072 mch_writable(p) &&
|
|
|
4073 # else
|
|
|
4074 # if defined(UNIX) || defined(VMS)
|
|
|
4075 (perm & 0222) &&
|
|
|
4076 # endif
|
|
|
4077 # endif
|
|
|
4078 mch_access((char *)p, W_OK) == 0
|
|
|
4079 )
|
|
|
4080 #endif
|
|
|
4081 {
|
|
|
4082 ++retval;
|
|
|
4083 if (mch_isdir(p))
|
|
|
4084 ++retval;
|
|
|
4085 }
|
|
|
4086 retvar->var_val.var_number = retval;
|
|
|
4087 }
|
|
|
4088
|
|
|
4089 /*
|
|
|
4090 * "fnamemodify({fname}, {mods})" function
|
|
|
4091 */
|
|
|
4092 static void
|
|
|
4093 f_fnamemodify(argvars, retvar)
|
|
|
4094 VAR argvars;
|
|
|
4095 VAR retvar;
|
|
|
4096 {
|
|
|
4097 char_u *fname;
|
|
|
4098 char_u *mods;
|
|
|
4099 int usedlen = 0;
|
|
|
4100 int len;
|
|
|
4101 char_u *fbuf = NULL;
|
|
|
4102 char_u buf[NUMBUFLEN];
|
|
|
4103
|
|
|
4104 fname = get_var_string(&argvars[0]);
|
|
|
4105 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4106 len = (int)STRLEN(fname);
|
|
|
4107
|
|
|
4108 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4109
|
|
|
4110 retvar->var_type = VAR_STRING;
|
|
|
4111 if (fname == NULL)
|
|
|
4112 retvar->var_val.var_string = NULL;
|
|
|
4113 else
|
|
|
4114 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4115 vim_free(fbuf);
|
|
|
4116 }
|
|
|
4117
|
|
|
4118 /*
|
|
|
4119 * "foldclosed()" function
|
|
|
4120 */
|
|
|
4121 static void
|
|
|
4122 f_foldclosed(argvars, retvar)
|
|
|
4123 VAR argvars;
|
|
|
4124 VAR retvar;
|
|
|
4125 {
|
|
|
4126 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4127 }
|
|
|
4128
|
|
|
4129 /*
|
|
|
4130 * "foldclosedend()" function
|
|
|
4131 */
|
|
|
4132 static void
|
|
|
4133 f_foldclosedend(argvars, retvar)
|
|
|
4134 VAR argvars;
|
|
|
4135 VAR retvar;
|
|
|
4136 {
|
|
|
4137 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4138 }
|
|
|
4139
|
|
|
4140 /*
|
|
|
4141 * "foldclosed()" function
|
|
|
4142 */
|
|
|
4143 static void
|
|
|
4144 foldclosed_both(argvars, retvar, end)
|
|
|
4145 VAR argvars;
|
|
|
4146 VAR retvar;
|
|
|
4147 int end;
|
|
|
4148 {
|
|
|
4149 #ifdef FEAT_FOLDING
|
|
|
4150 linenr_T lnum;
|
|
|
4151 linenr_T first, last;
|
|
|
4152
|
|
|
4153 lnum = get_var_lnum(argvars);
|
|
|
4154 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4155 {
|
|
|
4156 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4157 {
|
|
|
4158 if (end)
|
|
|
4159 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4160 else
|
|
|
4161 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4162 return;
|
|
|
4163 }
|
|
|
4164 }
|
|
|
4165 #endif
|
|
|
4166 retvar->var_val.var_number = -1;
|
|
|
4167 }
|
|
|
4168
|
|
|
4169 /*
|
|
|
4170 * "foldlevel()" function
|
|
|
4171 */
|
|
|
4172 static void
|
|
|
4173 f_foldlevel(argvars, retvar)
|
|
|
4174 VAR argvars;
|
|
|
4175 VAR retvar;
|
|
|
4176 {
|
|
|
4177 #ifdef FEAT_FOLDING
|
|
|
4178 linenr_T lnum;
|
|
|
4179
|
|
|
4180 lnum = get_var_lnum(argvars);
|
|
|
4181 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4182 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4183 else
|
|
|
4184 #endif
|
|
|
4185 retvar->var_val.var_number = 0;
|
|
|
4186 }
|
|
|
4187
|
|
|
4188 /*
|
|
|
4189 * "foldtext()" function
|
|
|
4190 */
|
|
|
4191 /*ARGSUSED*/
|
|
|
4192 static void
|
|
|
4193 f_foldtext(argvars, retvar)
|
|
|
4194 VAR argvars;
|
|
|
4195 VAR retvar;
|
|
|
4196 {
|
|
|
4197 #ifdef FEAT_FOLDING
|
|
|
4198 linenr_T lnum;
|
|
|
4199 char_u *s;
|
|
|
4200 char_u *r;
|
|
|
4201 int len;
|
|
|
4202 char *txt;
|
|
|
4203 #endif
|
|
|
4204
|
|
|
4205 retvar->var_type = VAR_STRING;
|
|
|
4206 retvar->var_val.var_string = NULL;
|
|
|
4207 #ifdef FEAT_FOLDING
|
|
|
4208 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4209 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4210 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4211 {
|
|
|
4212 /* Find first non-empty line in the fold. */
|
|
|
4213 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4214 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4215 {
|
|
|
4216 if (!linewhite(lnum))
|
|
|
4217 break;
|
|
|
4218 ++lnum;
|
|
|
4219 }
|
|
|
4220
|
|
|
4221 /* Find interesting text in this line. */
|
|
|
4222 s = skipwhite(ml_get(lnum));
|
|
|
4223 /* skip C comment-start */
|
|
|
4224 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4225 s = skipwhite(s + 2);
|
|
|
4226 txt = _("+-%s%3ld lines: ");
|
|
|
4227 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4228 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4229 + 20 /* for %3ld */
|
|
|
4230 + STRLEN(s))); /* concatenated */
|
|
|
4231 if (r != NULL)
|
|
|
4232 {
|
|
|
4233 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4234 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4235 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4236 len = (int)STRLEN(r);
|
|
|
4237 STRCAT(r, s);
|
|
|
4238 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4239 foldtext_cleanup(r + len);
|
|
|
4240 retvar->var_val.var_string = r;
|
|
|
4241 }
|
|
|
4242 }
|
|
|
4243 #endif
|
|
|
4244 }
|
|
|
4245
|
|
|
4246 /*
|
|
|
4247 * "foreground()" function
|
|
|
4248 */
|
|
|
4249 /*ARGSUSED*/
|
|
|
4250 static void
|
|
|
4251 f_foreground(argvars, retvar)
|
|
|
4252 VAR argvars;
|
|
|
4253 VAR retvar;
|
|
|
4254 {
|
|
|
4255 retvar->var_val.var_number = 0;
|
|
|
4256 #ifdef FEAT_GUI
|
|
|
4257 if (gui.in_use)
|
|
|
4258 gui_mch_set_foreground();
|
|
|
4259 #else
|
|
|
4260 # ifdef WIN32
|
|
|
4261 win32_set_foreground();
|
|
|
4262 # endif
|
|
|
4263 #endif
|
|
|
4264 }
|
|
|
4265
|
|
|
4266 /*
|
|
|
4267 * "getchar()" function
|
|
|
4268 */
|
|
|
4269 static void
|
|
|
4270 f_getchar(argvars, retvar)
|
|
|
4271 VAR argvars;
|
|
|
4272 VAR retvar;
|
|
|
4273 {
|
|
|
4274 varnumber_T n;
|
|
|
4275
|
|
|
4276 ++no_mapping;
|
|
|
4277 ++allow_keys;
|
|
|
4278 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4279 /* getchar(): blocking wait. */
|
|
|
4280 n = safe_vgetc();
|
|
|
4281 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4282 /* getchar(1): only check if char avail */
|
|
|
4283 n = vpeekc();
|
|
|
4284 else if (vpeekc() == NUL)
|
|
|
4285 /* getchar(0) and no char avail: return zero */
|
|
|
4286 n = 0;
|
|
|
4287 else
|
|
|
4288 /* getchar(0) and char avail: return char */
|
|
|
4289 n = safe_vgetc();
|
|
|
4290 --no_mapping;
|
|
|
4291 --allow_keys;
|
|
|
4292
|
|
|
4293 retvar->var_val.var_number = n;
|
|
|
4294 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4295 {
|
|
|
4296 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4297 int i = 0;
|
|
|
4298
|
|
|
4299 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4300 if (mod_mask != 0)
|
|
|
4301 {
|
|
|
4302 temp[i++] = K_SPECIAL;
|
|
|
4303 temp[i++] = KS_MODIFIER;
|
|
|
4304 temp[i++] = mod_mask;
|
|
|
4305 }
|
|
|
4306 if (IS_SPECIAL(n))
|
|
|
4307 {
|
|
|
4308 temp[i++] = K_SPECIAL;
|
|
|
4309 temp[i++] = K_SECOND(n);
|
|
|
4310 temp[i++] = K_THIRD(n);
|
|
|
4311 }
|
|
|
4312 #ifdef FEAT_MBYTE
|
|
|
4313 else if (has_mbyte)
|
|
|
4314 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4315 #endif
|
|
|
4316 else
|
|
|
4317 temp[i++] = n;
|
|
|
4318 temp[i++] = NUL;
|
|
|
4319 retvar->var_type = VAR_STRING;
|
|
|
4320 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4321 }
|
|
|
4322 }
|
|
|
4323
|
|
|
4324 /*
|
|
|
4325 * "getcharmod()" function
|
|
|
4326 */
|
|
|
4327 /*ARGSUSED*/
|
|
|
4328 static void
|
|
|
4329 f_getcharmod(argvars, retvar)
|
|
|
4330 VAR argvars;
|
|
|
4331 VAR retvar;
|
|
|
4332 {
|
|
|
4333 retvar->var_val.var_number = mod_mask;
|
|
|
4334 }
|
|
|
4335
|
|
|
4336 /*
|
|
|
4337 * "getcmdline()" function
|
|
|
4338 */
|
|
|
4339 /*ARGSUSED*/
|
|
|
4340 static void
|
|
|
4341 f_getcmdline(argvars, retvar)
|
|
|
4342 VAR argvars;
|
|
|
4343 VAR retvar;
|
|
|
4344 {
|
|
|
4345 retvar->var_type = VAR_STRING;
|
|
|
4346 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4347 }
|
|
|
4348
|
|
|
4349 /*
|
|
|
4350 * "getcmdpos()" function
|
|
|
4351 */
|
|
|
4352 /*ARGSUSED*/
|
|
|
4353 static void
|
|
|
4354 f_getcmdpos(argvars, retvar)
|
|
|
4355 VAR argvars;
|
|
|
4356 VAR retvar;
|
|
|
4357 {
|
|
|
4358 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4359 }
|
|
|
4360
|
|
|
4361 /*
|
|
|
4362 * "getbufvar()" function
|
|
|
4363 */
|
|
|
4364 static void
|
|
|
4365 f_getbufvar(argvars, retvar)
|
|
|
4366 VAR argvars;
|
|
|
4367 VAR retvar;
|
|
|
4368 {
|
|
|
4369 buf_T *buf;
|
|
|
4370 buf_T *save_curbuf;
|
|
|
4371 char_u *varname;
|
|
|
4372 VAR v;
|
|
|
4373
|
|
|
4374 ++emsg_off;
|
|
|
4375 buf = get_buf_var(&argvars[0]);
|
|
|
4376 varname = get_var_string(&argvars[1]);
|
|
|
4377
|
|
|
4378 retvar->var_type = VAR_STRING;
|
|
|
4379 retvar->var_val.var_string = NULL;
|
|
|
4380
|
|
|
4381 if (buf != NULL && varname != NULL)
|
|
|
4382 {
|
|
|
4383 if (*varname == '&') /* buffer-local-option */
|
|
|
4384 {
|
|
|
4385 /* set curbuf to be our buf, temporarily */
|
|
|
4386 save_curbuf = curbuf;
|
|
|
4387 curbuf = buf;
|
|
|
4388
|
|
|
4389 get_option_var(&varname, retvar, TRUE);
|
|
|
4390
|
|
|
4391 /* restore previous notion of curbuf */
|
|
|
4392 curbuf = save_curbuf;
|
|
|
4393 }
|
|
|
4394 else
|
|
|
4395 {
|
|
|
4396 /* look up the variable */
|
|
|
4397 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4398 if (v != NULL)
|
|
|
4399 copy_var(v, retvar);
|
|
|
4400 }
|
|
|
4401 }
|
|
|
4402
|
|
|
4403 --emsg_off;
|
|
|
4404 }
|
|
|
4405
|
|
|
4406 /*
|
|
|
4407 * "getcwd()" function
|
|
|
4408 */
|
|
|
4409 /*ARGSUSED*/
|
|
|
4410 static void
|
|
|
4411 f_getcwd(argvars, retvar)
|
|
|
4412 VAR argvars;
|
|
|
4413 VAR retvar;
|
|
|
4414 {
|
|
|
4415 char_u cwd[MAXPATHL];
|
|
|
4416
|
|
|
4417 retvar->var_type = VAR_STRING;
|
|
|
4418 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4419 retvar->var_val.var_string = NULL;
|
|
|
4420 else
|
|
|
4421 {
|
|
|
4422 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4423 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4424 slash_adjust(retvar->var_val.var_string);
|
|
|
4425 #endif
|
|
|
4426 }
|
|
|
4427 }
|
|
|
4428
|
|
|
4429 /*
|
|
|
4430 * "getfsize({fname})" function
|
|
|
4431 */
|
|
|
4432 static void
|
|
|
4433 f_getfsize(argvars, retvar)
|
|
|
4434 VAR argvars;
|
|
|
4435 VAR retvar;
|
|
|
4436 {
|
|
|
4437 char_u *fname;
|
|
|
4438 struct stat st;
|
|
|
4439
|
|
|
4440 fname = get_var_string(&argvars[0]);
|
|
|
4441
|
|
|
4442 retvar->var_type = VAR_NUMBER;
|
|
|
4443
|
|
|
4444 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4445 {
|
|
|
4446 if (mch_isdir(fname))
|
|
|
4447 retvar->var_val.var_number = 0;
|
|
|
4448 else
|
|
|
4449 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4450 }
|
|
|
4451 else
|
|
|
4452 retvar->var_val.var_number = -1;
|
|
|
4453 }
|
|
|
4454
|
|
|
4455 /*
|
|
|
4456 * "getftime({fname})" function
|
|
|
4457 */
|
|
|
4458 static void
|
|
|
4459 f_getftime(argvars, retvar)
|
|
|
4460 VAR argvars;
|
|
|
4461 VAR retvar;
|
|
|
4462 {
|
|
|
4463 char_u *fname;
|
|
|
4464 struct stat st;
|
|
|
4465
|
|
|
4466 fname = get_var_string(&argvars[0]);
|
|
|
4467
|
|
|
4468 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4469 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4470 else
|
|
|
4471 retvar->var_val.var_number = -1;
|
|
|
4472 }
|
|
|
4473
|
|
|
4474 /*
|
|
|
4475 * "getreg()" function
|
|
|
4476 */
|
|
|
4477 static void
|
|
|
4478 f_getreg(argvars, retvar)
|
|
|
4479 VAR argvars;
|
|
|
4480 VAR retvar;
|
|
|
4481 {
|
|
|
4482 char_u *strregname;
|
|
|
4483 int regname;
|
|
|
4484
|
|
|
4485 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4486 strregname = get_var_string(&argvars[0]);
|
|
|
4487 else
|
|
|
4488 strregname = vimvars[VV_REG].val;
|
|
|
4489 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4490 if (regname == 0)
|
|
|
4491 regname = '"';
|
|
|
4492
|
|
|
4493 retvar->var_type = VAR_STRING;
|
|
|
4494 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4495 }
|
|
|
4496
|
|
|
4497 /*
|
|
|
4498 * "getregtype()" function
|
|
|
4499 */
|
|
|
4500 static void
|
|
|
4501 f_getregtype(argvars, retvar)
|
|
|
4502 VAR argvars;
|
|
|
4503 VAR retvar;
|
|
|
4504 {
|
|
|
4505 char_u *strregname;
|
|
|
4506 int regname;
|
|
|
4507 char_u buf[NUMBUFLEN + 2];
|
|
|
4508 long reglen = 0;
|
|
|
4509
|
|
|
4510 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4511 strregname = get_var_string(&argvars[0]);
|
|
|
4512 else
|
|
|
4513 /* Default to v:register */
|
|
|
4514 strregname = vimvars[VV_REG].val;
|
|
|
4515
|
|
|
4516 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4517 if (regname == 0)
|
|
|
4518 regname = '"';
|
|
|
4519
|
|
|
4520 buf[0] = NUL;
|
|
|
4521 buf[1] = NUL;
|
|
|
4522 switch (get_reg_type(regname, ®len))
|
|
|
4523 {
|
|
|
4524 case MLINE: buf[0] = 'V'; break;
|
|
|
4525 case MCHAR: buf[0] = 'v'; break;
|
|
|
4526 #ifdef FEAT_VISUAL
|
|
|
4527 case MBLOCK:
|
|
|
4528 buf[0] = Ctrl_V;
|
|
|
4529 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4530 break;
|
|
|
4531 #endif
|
|
|
4532 }
|
|
|
4533 retvar->var_type = VAR_STRING;
|
|
|
4534 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4535 }
|
|
|
4536
|
|
|
4537 /*
|
|
|
4538 * "getline(lnum)" function
|
|
|
4539 */
|
|
|
4540 static void
|
|
|
4541 f_getline(argvars, retvar)
|
|
|
4542 VAR argvars;
|
|
|
4543 VAR retvar;
|
|
|
4544 {
|
|
|
4545 linenr_T lnum;
|
|
|
4546 char_u *p;
|
|
|
4547
|
|
|
4548 lnum = get_var_lnum(argvars);
|
|
|
4549
|
|
|
4550 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4551 p = ml_get(lnum);
|
|
|
4552 else
|
|
|
4553 p = (char_u *)"";
|
|
|
4554
|
|
|
4555 retvar->var_type = VAR_STRING;
|
|
|
4556 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4557 }
|
|
|
4558
|
|
|
4559 /*
|
|
|
4560 * "getwinposx()" function
|
|
|
4561 */
|
|
|
4562 /*ARGSUSED*/
|
|
|
4563 static void
|
|
|
4564 f_getwinposx(argvars, retvar)
|
|
|
4565 VAR argvars;
|
|
|
4566 VAR retvar;
|
|
|
4567 {
|
|
|
4568 retvar->var_val.var_number = -1;
|
|
|
4569 #ifdef FEAT_GUI
|
|
|
4570 if (gui.in_use)
|
|
|
4571 {
|
|
|
4572 int x, y;
|
|
|
4573
|
|
|
4574 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4575 retvar->var_val.var_number = x;
|
|
|
4576 }
|
|
|
4577 #endif
|
|
|
4578 }
|
|
|
4579
|
|
|
4580 /*
|
|
|
4581 * "getwinposy()" function
|
|
|
4582 */
|
|
|
4583 /*ARGSUSED*/
|
|
|
4584 static void
|
|
|
4585 f_getwinposy(argvars, retvar)
|
|
|
4586 VAR argvars;
|
|
|
4587 VAR retvar;
|
|
|
4588 {
|
|
|
4589 retvar->var_val.var_number = -1;
|
|
|
4590 #ifdef FEAT_GUI
|
|
|
4591 if (gui.in_use)
|
|
|
4592 {
|
|
|
4593 int x, y;
|
|
|
4594
|
|
|
4595 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4596 retvar->var_val.var_number = y;
|
|
|
4597 }
|
|
|
4598 #endif
|
|
|
4599 }
|
|
|
4600
|
|
|
4601 /*
|
|
|
4602 * "getwinvar()" function
|
|
|
4603 */
|
|
|
4604 static void
|
|
|
4605 f_getwinvar(argvars, retvar)
|
|
|
4606 VAR argvars;
|
|
|
4607 VAR retvar;
|
|
|
4608 {
|
|
|
4609 win_T *win, *oldcurwin;
|
|
|
4610 char_u *varname;
|
|
|
4611 VAR v;
|
|
|
4612
|
|
|
4613 ++emsg_off;
|
|
|
4614 win = find_win_by_nr(&argvars[0]);
|
|
|
4615 varname = get_var_string(&argvars[1]);
|
|
|
4616
|
|
|
4617 retvar->var_type = VAR_STRING;
|
|
|
4618 retvar->var_val.var_string = NULL;
|
|
|
4619
|
|
|
4620 if (win != NULL && varname != NULL)
|
|
|
4621 {
|
|
|
4622 if (*varname == '&') /* window-local-option */
|
|
|
4623 {
|
|
|
4624 /* set curwin to be our win, temporarily */
|
|
|
4625 oldcurwin = curwin;
|
|
|
4626 curwin = win;
|
|
|
4627
|
|
|
4628 get_option_var(&varname, retvar , 1);
|
|
|
4629
|
|
|
4630 /* restore previous notion of curwin */
|
|
|
4631 curwin = oldcurwin;
|
|
|
4632 }
|
|
|
4633 else
|
|
|
4634 {
|
|
|
4635 /* look up the variable */
|
|
|
4636 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
4637 if (v != NULL)
|
|
|
4638 copy_var(v, retvar);
|
|
|
4639 }
|
|
|
4640 }
|
|
|
4641
|
|
|
4642 --emsg_off;
|
|
|
4643 }
|
|
|
4644
|
|
|
4645 /*
|
|
|
4646 * "glob()" function
|
|
|
4647 */
|
|
|
4648 static void
|
|
|
4649 f_glob(argvars, retvar)
|
|
|
4650 VAR argvars;
|
|
|
4651 VAR retvar;
|
|
|
4652 {
|
|
|
4653 expand_T xpc;
|
|
|
4654
|
|
|
4655 ExpandInit(&xpc);
|
|
|
4656 xpc.xp_context = EXPAND_FILES;
|
|
|
4657 retvar->var_type = VAR_STRING;
|
|
|
4658 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
4659 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
4660 ExpandCleanup(&xpc);
|
|
|
4661 }
|
|
|
4662
|
|
|
4663 /*
|
|
|
4664 * "globpath()" function
|
|
|
4665 */
|
|
|
4666 static void
|
|
|
4667 f_globpath(argvars, retvar)
|
|
|
4668 VAR argvars;
|
|
|
4669 VAR retvar;
|
|
|
4670 {
|
|
|
4671 char_u buf1[NUMBUFLEN];
|
|
|
4672
|
|
|
4673 retvar->var_type = VAR_STRING;
|
|
|
4674 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
4675 get_var_string_buf(&argvars[1], buf1));
|
|
|
4676 }
|
|
|
4677
|
|
|
4678 /*
|
|
|
4679 * "has()" function
|
|
|
4680 */
|
|
|
4681 static void
|
|
|
4682 f_has(argvars, retvar)
|
|
|
4683 VAR argvars;
|
|
|
4684 VAR retvar;
|
|
|
4685 {
|
|
|
4686 int i;
|
|
|
4687 char_u *name;
|
|
|
4688 int n = FALSE;
|
|
|
4689 static char *(has_list[]) =
|
|
|
4690 {
|
|
|
4691 #ifdef AMIGA
|
|
|
4692 "amiga",
|
|
|
4693 # ifdef FEAT_ARP
|
|
|
4694 "arp",
|
|
|
4695 # endif
|
|
|
4696 #endif
|
|
|
4697 #ifdef __BEOS__
|
|
|
4698 "beos",
|
|
|
4699 #endif
|
|
|
4700 #ifdef MSDOS
|
|
|
4701 # ifdef DJGPP
|
|
|
4702 "dos32",
|
|
|
4703 # else
|
|
|
4704 "dos16",
|
|
|
4705 # endif
|
|
|
4706 #endif
|
|
|
4707 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
4708 "mac",
|
|
|
4709 #endif
|
|
|
4710 #if defined(MACOS_X_UNIX)
|
|
|
4711 "macunix",
|
|
|
4712 #endif
|
|
|
4713 #ifdef OS2
|
|
|
4714 "os2",
|
|
|
4715 #endif
|
|
|
4716 #ifdef __QNX__
|
|
|
4717 "qnx",
|
|
|
4718 #endif
|
|
|
4719 #ifdef RISCOS
|
|
|
4720 "riscos",
|
|
|
4721 #endif
|
|
|
4722 #ifdef UNIX
|
|
|
4723 "unix",
|
|
|
4724 #endif
|
|
|
4725 #ifdef VMS
|
|
|
4726 "vms",
|
|
|
4727 #endif
|
|
|
4728 #ifdef WIN16
|
|
|
4729 "win16",
|
|
|
4730 #endif
|
|
|
4731 #ifdef WIN32
|
|
|
4732 "win32",
|
|
|
4733 #endif
|
|
|
4734 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
4735 "win32unix",
|
|
|
4736 #endif
|
|
|
4737 #ifdef WIN64
|
|
|
4738 "win64",
|
|
|
4739 #endif
|
|
|
4740 #ifdef EBCDIC
|
|
|
4741 "ebcdic",
|
|
|
4742 #endif
|
|
|
4743 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
4744 "fname_case",
|
|
|
4745 #endif
|
|
|
4746 #ifdef FEAT_ARABIC
|
|
|
4747 "arabic",
|
|
|
4748 #endif
|
|
|
4749 #ifdef FEAT_AUTOCMD
|
|
|
4750 "autocmd",
|
|
|
4751 #endif
|
|
|
4752 #ifdef FEAT_BEVAL
|
|
|
4753 "balloon_eval",
|
|
|
4754 #endif
|
|
|
4755 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
4756 "builtin_terms",
|
|
|
4757 # ifdef ALL_BUILTIN_TCAPS
|
|
|
4758 "all_builtin_terms",
|
|
|
4759 # endif
|
|
|
4760 #endif
|
|
|
4761 #ifdef FEAT_BYTEOFF
|
|
|
4762 "byte_offset",
|
|
|
4763 #endif
|
|
|
4764 #ifdef FEAT_CINDENT
|
|
|
4765 "cindent",
|
|
|
4766 #endif
|
|
|
4767 #ifdef FEAT_CLIENTSERVER
|
|
|
4768 "clientserver",
|
|
|
4769 #endif
|
|
|
4770 #ifdef FEAT_CLIPBOARD
|
|
|
4771 "clipboard",
|
|
|
4772 #endif
|
|
|
4773 #ifdef FEAT_CMDL_COMPL
|
|
|
4774 "cmdline_compl",
|
|
|
4775 #endif
|
|
|
4776 #ifdef FEAT_CMDHIST
|
|
|
4777 "cmdline_hist",
|
|
|
4778 #endif
|
|
|
4779 #ifdef FEAT_COMMENTS
|
|
|
4780 "comments",
|
|
|
4781 #endif
|
|
|
4782 #ifdef FEAT_CRYPT
|
|
|
4783 "cryptv",
|
|
|
4784 #endif
|
|
|
4785 #ifdef FEAT_CSCOPE
|
|
|
4786 "cscope",
|
|
|
4787 #endif
|
|
|
4788 #ifdef DEBUG
|
|
|
4789 "debug",
|
|
|
4790 #endif
|
|
|
4791 #ifdef FEAT_CON_DIALOG
|
|
|
4792 "dialog_con",
|
|
|
4793 #endif
|
|
|
4794 #ifdef FEAT_GUI_DIALOG
|
|
|
4795 "dialog_gui",
|
|
|
4796 #endif
|
|
|
4797 #ifdef FEAT_DIFF
|
|
|
4798 "diff",
|
|
|
4799 #endif
|
|
|
4800 #ifdef FEAT_DIGRAPHS
|
|
|
4801 "digraphs",
|
|
|
4802 #endif
|
|
|
4803 #ifdef FEAT_DND
|
|
|
4804 "dnd",
|
|
|
4805 #endif
|
|
|
4806 #ifdef FEAT_EMACS_TAGS
|
|
|
4807 "emacs_tags",
|
|
|
4808 #endif
|
|
|
4809 "eval", /* always present, of course! */
|
|
|
4810 #ifdef FEAT_EX_EXTRA
|
|
|
4811 "ex_extra",
|
|
|
4812 #endif
|
|
|
4813 #ifdef FEAT_SEARCH_EXTRA
|
|
|
4814 "extra_search",
|
|
|
4815 #endif
|
|
|
4816 #ifdef FEAT_FKMAP
|
|
|
4817 "farsi",
|
|
|
4818 #endif
|
|
|
4819 #ifdef FEAT_SEARCHPATH
|
|
|
4820 "file_in_path",
|
|
|
4821 #endif
|
|
|
4822 #ifdef FEAT_FIND_ID
|
|
|
4823 "find_in_path",
|
|
|
4824 #endif
|
|
|
4825 #ifdef FEAT_FOLDING
|
|
|
4826 "folding",
|
|
|
4827 #endif
|
|
|
4828 #ifdef FEAT_FOOTER
|
|
|
4829 "footer",
|
|
|
4830 #endif
|
|
|
4831 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
4832 "fork",
|
|
|
4833 #endif
|
|
|
4834 #ifdef FEAT_GETTEXT
|
|
|
4835 "gettext",
|
|
|
4836 #endif
|
|
|
4837 #ifdef FEAT_GUI
|
|
|
4838 "gui",
|
|
|
4839 #endif
|
|
|
4840 #ifdef FEAT_GUI_ATHENA
|
|
|
4841 # ifdef FEAT_GUI_NEXTAW
|
|
|
4842 "gui_neXtaw",
|
|
|
4843 # else
|
|
|
4844 "gui_athena",
|
|
|
4845 # endif
|
|
|
4846 #endif
|
|
|
4847 #ifdef FEAT_GUI_BEOS
|
|
|
4848 "gui_beos",
|
|
|
4849 #endif
|
|
|
4850 #ifdef FEAT_GUI_GTK
|
|
|
4851 "gui_gtk",
|
|
|
4852 # ifdef HAVE_GTK2
|
|
|
4853 "gui_gtk2",
|
|
|
4854 # endif
|
|
|
4855 #endif
|
|
|
4856 #ifdef FEAT_GUI_MAC
|
|
|
4857 "gui_mac",
|
|
|
4858 #endif
|
|
|
4859 #ifdef FEAT_GUI_MOTIF
|
|
|
4860 "gui_motif",
|
|
|
4861 #endif
|
|
|
4862 #ifdef FEAT_GUI_PHOTON
|
|
|
4863 "gui_photon",
|
|
|
4864 #endif
|
|
|
4865 #ifdef FEAT_GUI_W16
|
|
|
4866 "gui_win16",
|
|
|
4867 #endif
|
|
|
4868 #ifdef FEAT_GUI_W32
|
|
|
4869 "gui_win32",
|
|
|
4870 #endif
|
|
|
4871 #ifdef FEAT_HANGULIN
|
|
|
4872 "hangul_input",
|
|
|
4873 #endif
|
|
|
4874 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
4875 "iconv",
|
|
|
4876 #endif
|
|
|
4877 #ifdef FEAT_INS_EXPAND
|
|
|
4878 "insert_expand",
|
|
|
4879 #endif
|
|
|
4880 #ifdef FEAT_JUMPLIST
|
|
|
4881 "jumplist",
|
|
|
4882 #endif
|
|
|
4883 #ifdef FEAT_KEYMAP
|
|
|
4884 "keymap",
|
|
|
4885 #endif
|
|
|
4886 #ifdef FEAT_LANGMAP
|
|
|
4887 "langmap",
|
|
|
4888 #endif
|
|
|
4889 #ifdef FEAT_LIBCALL
|
|
|
4890 "libcall",
|
|
|
4891 #endif
|
|
|
4892 #ifdef FEAT_LINEBREAK
|
|
|
4893 "linebreak",
|
|
|
4894 #endif
|
|
|
4895 #ifdef FEAT_LISP
|
|
|
4896 "lispindent",
|
|
|
4897 #endif
|
|
|
4898 #ifdef FEAT_LISTCMDS
|
|
|
4899 "listcmds",
|
|
|
4900 #endif
|
|
|
4901 #ifdef FEAT_LOCALMAP
|
|
|
4902 "localmap",
|
|
|
4903 #endif
|
|
|
4904 #ifdef FEAT_MENU
|
|
|
4905 "menu",
|
|
|
4906 #endif
|
|
|
4907 #ifdef FEAT_SESSION
|
|
|
4908 "mksession",
|
|
|
4909 #endif
|
|
|
4910 #ifdef FEAT_MODIFY_FNAME
|
|
|
4911 "modify_fname",
|
|
|
4912 #endif
|
|
|
4913 #ifdef FEAT_MOUSE
|
|
|
4914 "mouse",
|
|
|
4915 #endif
|
|
|
4916 #ifdef FEAT_MOUSESHAPE
|
|
|
4917 "mouseshape",
|
|
|
4918 #endif
|
|
|
4919 #if defined(UNIX) || defined(VMS)
|
|
|
4920 # ifdef FEAT_MOUSE_DEC
|
|
|
4921 "mouse_dec",
|
|
|
4922 # endif
|
|
|
4923 # ifdef FEAT_MOUSE_GPM
|
|
|
4924 "mouse_gpm",
|
|
|
4925 # endif
|
|
|
4926 # ifdef FEAT_MOUSE_JSB
|
|
|
4927 "mouse_jsbterm",
|
|
|
4928 # endif
|
|
|
4929 # ifdef FEAT_MOUSE_NET
|
|
|
4930 "mouse_netterm",
|
|
|
4931 # endif
|
|
|
4932 # ifdef FEAT_MOUSE_PTERM
|
|
|
4933 "mouse_pterm",
|
|
|
4934 # endif
|
|
|
4935 # ifdef FEAT_MOUSE_XTERM
|
|
|
4936 "mouse_xterm",
|
|
|
4937 # endif
|
|
|
4938 #endif
|
|
|
4939 #ifdef FEAT_MBYTE
|
|
|
4940 "multi_byte",
|
|
|
4941 #endif
|
|
|
4942 #ifdef FEAT_MBYTE_IME
|
|
|
4943 "multi_byte_ime",
|
|
|
4944 #endif
|
|
|
4945 #ifdef FEAT_MULTI_LANG
|
|
|
4946 "multi_lang",
|
|
|
4947 #endif
|
|
|
4948 #ifdef FEAT_OLE
|
|
|
4949 "ole",
|
|
|
4950 #endif
|
|
|
4951 #ifdef FEAT_OSFILETYPE
|
|
|
4952 "osfiletype",
|
|
|
4953 #endif
|
|
|
4954 #ifdef FEAT_PATH_EXTRA
|
|
|
4955 "path_extra",
|
|
|
4956 #endif
|
|
|
4957 #ifdef FEAT_PERL
|
|
|
4958 #ifndef DYNAMIC_PERL
|
|
|
4959 "perl",
|
|
|
4960 #endif
|
|
|
4961 #endif
|
|
|
4962 #ifdef FEAT_PYTHON
|
|
|
4963 #ifndef DYNAMIC_PYTHON
|
|
|
4964 "python",
|
|
|
4965 #endif
|
|
|
4966 #endif
|
|
|
4967 #ifdef FEAT_POSTSCRIPT
|
|
|
4968 "postscript",
|
|
|
4969 #endif
|
|
|
4970 #ifdef FEAT_PRINTER
|
|
|
4971 "printer",
|
|
|
4972 #endif
|
|
|
4973 #ifdef FEAT_QUICKFIX
|
|
|
4974 "quickfix",
|
|
|
4975 #endif
|
|
|
4976 #ifdef FEAT_RIGHTLEFT
|
|
|
4977 "rightleft",
|
|
|
4978 #endif
|
|
|
4979 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
4980 "ruby",
|
|
|
4981 #endif
|
|
|
4982 #ifdef FEAT_SCROLLBIND
|
|
|
4983 "scrollbind",
|
|
|
4984 #endif
|
|
|
4985 #ifdef FEAT_CMDL_INFO
|
|
|
4986 "showcmd",
|
|
|
4987 "cmdline_info",
|
|
|
4988 #endif
|
|
|
4989 #ifdef FEAT_SIGNS
|
|
|
4990 "signs",
|
|
|
4991 #endif
|
|
|
4992 #ifdef FEAT_SMARTINDENT
|
|
|
4993 "smartindent",
|
|
|
4994 #endif
|
|
|
4995 #ifdef FEAT_SNIFF
|
|
|
4996 "sniff",
|
|
|
4997 #endif
|
|
|
4998 #ifdef FEAT_STL_OPT
|
|
|
4999 "statusline",
|
|
|
5000 #endif
|
|
|
5001 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5002 "sun_workshop",
|
|
|
5003 #endif
|
|
|
5004 #ifdef FEAT_NETBEANS_INTG
|
|
|
5005 "netbeans_intg",
|
|
|
5006 #endif
|
|
|
5007 #ifdef FEAT_SYN_HL
|
|
|
5008 "syntax",
|
|
|
5009 #endif
|
|
|
5010 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5011 "system",
|
|
|
5012 #endif
|
|
|
5013 #ifdef FEAT_TAG_BINS
|
|
|
5014 "tag_binary",
|
|
|
5015 #endif
|
|
|
5016 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5017 "tag_old_static",
|
|
|
5018 #endif
|
|
|
5019 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5020 "tag_any_white",
|
|
|
5021 #endif
|
|
|
5022 #ifdef FEAT_TCL
|
|
|
5023 # ifndef DYNAMIC_TCL
|
|
|
5024 "tcl",
|
|
|
5025 # endif
|
|
|
5026 #endif
|
|
|
5027 #ifdef TERMINFO
|
|
|
5028 "terminfo",
|
|
|
5029 #endif
|
|
|
5030 #ifdef FEAT_TERMRESPONSE
|
|
|
5031 "termresponse",
|
|
|
5032 #endif
|
|
|
5033 #ifdef FEAT_TEXTOBJ
|
|
|
5034 "textobjects",
|
|
|
5035 #endif
|
|
|
5036 #ifdef HAVE_TGETENT
|
|
|
5037 "tgetent",
|
|
|
5038 #endif
|
|
|
5039 #ifdef FEAT_TITLE
|
|
|
5040 "title",
|
|
|
5041 #endif
|
|
|
5042 #ifdef FEAT_TOOLBAR
|
|
|
5043 "toolbar",
|
|
|
5044 #endif
|
|
|
5045 #ifdef FEAT_USR_CMDS
|
|
|
5046 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5047 "user_commands",
|
|
|
5048 #endif
|
|
|
5049 #ifdef FEAT_VIMINFO
|
|
|
5050 "viminfo",
|
|
|
5051 #endif
|
|
|
5052 #ifdef FEAT_VERTSPLIT
|
|
|
5053 "vertsplit",
|
|
|
5054 #endif
|
|
|
5055 #ifdef FEAT_VIRTUALEDIT
|
|
|
5056 "virtualedit",
|
|
|
5057 #endif
|
|
|
5058 #ifdef FEAT_VISUAL
|
|
|
5059 "visual",
|
|
|
5060 #endif
|
|
|
5061 #ifdef FEAT_VISUALEXTRA
|
|
|
5062 "visualextra",
|
|
|
5063 #endif
|
|
|
5064 #ifdef FEAT_VREPLACE
|
|
|
5065 "vreplace",
|
|
|
5066 #endif
|
|
|
5067 #ifdef FEAT_WILDIGN
|
|
|
5068 "wildignore",
|
|
|
5069 #endif
|
|
|
5070 #ifdef FEAT_WILDMENU
|
|
|
5071 "wildmenu",
|
|
|
5072 #endif
|
|
|
5073 #ifdef FEAT_WINDOWS
|
|
|
5074 "windows",
|
|
|
5075 #endif
|
|
|
5076 #ifdef FEAT_WAK
|
|
|
5077 "winaltkeys",
|
|
|
5078 #endif
|
|
|
5079 #ifdef FEAT_WRITEBACKUP
|
|
|
5080 "writebackup",
|
|
|
5081 #endif
|
|
|
5082 #ifdef FEAT_XIM
|
|
|
5083 "xim",
|
|
|
5084 #endif
|
|
|
5085 #ifdef FEAT_XFONTSET
|
|
|
5086 "xfontset",
|
|
|
5087 #endif
|
|
|
5088 #ifdef USE_XSMP
|
|
|
5089 "xsmp",
|
|
|
5090 #endif
|
|
|
5091 #ifdef USE_XSMP_INTERACT
|
|
|
5092 "xsmp_interact",
|
|
|
5093 #endif
|
|
|
5094 #ifdef FEAT_XCLIPBOARD
|
|
|
5095 "xterm_clipboard",
|
|
|
5096 #endif
|
|
|
5097 #ifdef FEAT_XTERM_SAVE
|
|
|
5098 "xterm_save",
|
|
|
5099 #endif
|
|
|
5100 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5101 "X11",
|
|
|
5102 #endif
|
|
|
5103 NULL
|
|
|
5104 };
|
|
|
5105
|
|
|
5106 name = get_var_string(&argvars[0]);
|
|
|
5107 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5108 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5109 {
|
|
|
5110 n = TRUE;
|
|
|
5111 break;
|
|
|
5112 }
|
|
|
5113
|
|
|
5114 if (n == FALSE)
|
|
|
5115 {
|
|
|
5116 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5117 n = has_patch(atoi((char *)name + 5));
|
|
|
5118 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5119 n = (starting != 0);
|
|
|
5120 #ifdef DYNAMIC_TCL
|
|
|
5121 else if (STRICMP(name, "tcl") == 0)
|
|
|
5122 n = tcl_enabled(FALSE);
|
|
|
5123 #endif
|
|
|
5124 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5125 else if (STRICMP(name, "iconv") == 0)
|
|
|
5126 n = iconv_enabled(FALSE);
|
|
|
5127 #endif
|
|
|
5128 #ifdef DYNAMIC_RUBY
|
|
|
5129 else if (STRICMP(name, "ruby") == 0)
|
|
|
5130 n = ruby_enabled(FALSE);
|
|
|
5131 #endif
|
|
|
5132 #ifdef DYNAMIC_PYTHON
|
|
|
5133 else if (STRICMP(name, "python") == 0)
|
|
|
5134 n = python_enabled(FALSE);
|
|
|
5135 #endif
|
|
|
5136 #ifdef DYNAMIC_PERL
|
|
|
5137 else if (STRICMP(name, "perl") == 0)
|
|
|
5138 n = perl_enabled(FALSE);
|
|
|
5139 #endif
|
|
|
5140 #ifdef FEAT_GUI
|
|
|
5141 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5142 n = (gui.in_use || gui.starting);
|
|
|
5143 # ifdef FEAT_GUI_W32
|
|
|
5144 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5145 n = gui_is_win32s();
|
|
|
5146 # endif
|
|
|
5147 # ifdef FEAT_BROWSE
|
|
|
5148 else if (STRICMP(name, "browse") == 0)
|
|
|
5149 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5150 # endif
|
|
|
5151 #endif
|
|
|
5152 #ifdef FEAT_SYN_HL
|
|
|
5153 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5154 n = syntax_present(curbuf);
|
|
|
5155 #endif
|
|
|
5156 #if defined(WIN3264)
|
|
|
5157 else if (STRICMP(name, "win95") == 0)
|
|
|
5158 n = mch_windows95();
|
|
|
5159 #endif
|
|
|
5160 }
|
|
|
5161
|
|
|
5162 retvar->var_val.var_number = n;
|
|
|
5163 }
|
|
|
5164
|
|
|
5165 /*
|
|
|
5166 * "hasmapto()" function
|
|
|
5167 */
|
|
|
5168 static void
|
|
|
5169 f_hasmapto(argvars, retvar)
|
|
|
5170 VAR argvars;
|
|
|
5171 VAR retvar;
|
|
|
5172 {
|
|
|
5173 char_u *name;
|
|
|
5174 char_u *mode;
|
|
|
5175 char_u buf[NUMBUFLEN];
|
|
|
5176
|
|
|
5177 name = get_var_string(&argvars[0]);
|
|
|
5178 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5179 mode = (char_u *)"nvo";
|
|
|
5180 else
|
|
|
5181 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5182
|
|
|
5183 if (map_to_exists(name, mode))
|
|
|
5184 retvar->var_val.var_number = TRUE;
|
|
|
5185 else
|
|
|
5186 retvar->var_val.var_number = FALSE;
|
|
|
5187 }
|
|
|
5188
|
|
|
5189 /*
|
|
|
5190 * "histadd()" function
|
|
|
5191 */
|
|
|
5192 /*ARGSUSED*/
|
|
|
5193 static void
|
|
|
5194 f_histadd(argvars, retvar)
|
|
|
5195 VAR argvars;
|
|
|
5196 VAR retvar;
|
|
|
5197 {
|
|
|
5198 #ifdef FEAT_CMDHIST
|
|
|
5199 int histype;
|
|
|
5200 char_u *str;
|
|
|
5201 char_u buf[NUMBUFLEN];
|
|
|
5202 #endif
|
|
|
5203
|
|
|
5204 retvar->var_val.var_number = FALSE;
|
|
|
5205 if (check_restricted() || check_secure())
|
|
|
5206 return;
|
|
|
5207 #ifdef FEAT_CMDHIST
|
|
|
5208 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5209 if (histype >= 0)
|
|
|
5210 {
|
|
|
5211 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5212 if (*str != NUL)
|
|
|
5213 {
|
|
|
5214 add_to_history(histype, str, FALSE, NUL);
|
|
|
5215 retvar->var_val.var_number = TRUE;
|
|
|
5216 return;
|
|
|
5217 }
|
|
|
5218 }
|
|
|
5219 #endif
|
|
|
5220 }
|
|
|
5221
|
|
|
5222 /*
|
|
|
5223 * "histdel()" function
|
|
|
5224 */
|
|
|
5225 /*ARGSUSED*/
|
|
|
5226 static void
|
|
|
5227 f_histdel(argvars, retvar)
|
|
|
5228 VAR argvars;
|
|
|
5229 VAR retvar;
|
|
|
5230 {
|
|
|
5231 #ifdef FEAT_CMDHIST
|
|
|
5232 int n;
|
|
|
5233 char_u buf[NUMBUFLEN];
|
|
|
5234
|
|
|
5235 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5236 /* only one argument: clear entire history */
|
|
|
5237 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5238 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5239 /* index given: remove that entry */
|
|
|
5240 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5241 (int)get_var_number(&argvars[1]));
|
|
|
5242 else
|
|
|
5243 /* string given: remove all matching entries */
|
|
|
5244 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5245 get_var_string_buf(&argvars[1], buf));
|
|
|
5246 retvar->var_val.var_number = n;
|
|
|
5247 #else
|
|
|
5248 retvar->var_val.var_number = 0;
|
|
|
5249 #endif
|
|
|
5250 }
|
|
|
5251
|
|
|
5252 /*
|
|
|
5253 * "histget()" function
|
|
|
5254 */
|
|
|
5255 /*ARGSUSED*/
|
|
|
5256 static void
|
|
|
5257 f_histget(argvars, retvar)
|
|
|
5258 VAR argvars;
|
|
|
5259 VAR retvar;
|
|
|
5260 {
|
|
|
5261 #ifdef FEAT_CMDHIST
|
|
|
5262 int type;
|
|
|
5263 int idx;
|
|
|
5264
|
|
|
5265 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5266 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5267 idx = get_history_idx(type);
|
|
|
5268 else
|
|
|
5269 idx = (int)get_var_number(&argvars[1]);
|
|
|
5270 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5271 #else
|
|
|
5272 retvar->var_val.var_string = NULL;
|
|
|
5273 #endif
|
|
|
5274 retvar->var_type = VAR_STRING;
|
|
|
5275 }
|
|
|
5276
|
|
|
5277 /*
|
|
|
5278 * "histnr()" function
|
|
|
5279 */
|
|
|
5280 /*ARGSUSED*/
|
|
|
5281 static void
|
|
|
5282 f_histnr(argvars, retvar)
|
|
|
5283 VAR argvars;
|
|
|
5284 VAR retvar;
|
|
|
5285 {
|
|
|
5286 int i;
|
|
|
5287
|
|
|
5288 #ifdef FEAT_CMDHIST
|
|
|
5289 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5290 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5291 i = get_history_idx(i);
|
|
|
5292 else
|
|
|
5293 #endif
|
|
|
5294 i = -1;
|
|
|
5295 retvar->var_val.var_number = i;
|
|
|
5296 }
|
|
|
5297
|
|
|
5298 /*
|
|
|
5299 * "highlight_exists()" function
|
|
|
5300 */
|
|
|
5301 static void
|
|
|
5302 f_hlexists(argvars, retvar)
|
|
|
5303 VAR argvars;
|
|
|
5304 VAR retvar;
|
|
|
5305 {
|
|
|
5306 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5307 }
|
|
|
5308
|
|
|
5309 /*
|
|
|
5310 * "highlightID(name)" function
|
|
|
5311 */
|
|
|
5312 static void
|
|
|
5313 f_hlID(argvars, retvar)
|
|
|
5314 VAR argvars;
|
|
|
5315 VAR retvar;
|
|
|
5316 {
|
|
|
5317 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5318 }
|
|
|
5319
|
|
|
5320 /*
|
|
|
5321 * "hostname()" function
|
|
|
5322 */
|
|
|
5323 /*ARGSUSED*/
|
|
|
5324 static void
|
|
|
5325 f_hostname(argvars, retvar)
|
|
|
5326 VAR argvars;
|
|
|
5327 VAR retvar;
|
|
|
5328 {
|
|
|
5329 char_u hostname[256];
|
|
|
5330
|
|
|
5331 mch_get_host_name(hostname, 256);
|
|
|
5332 retvar->var_type = VAR_STRING;
|
|
|
5333 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5334 }
|
|
|
5335
|
|
|
5336 /*
|
|
|
5337 * iconv() function
|
|
|
5338 */
|
|
|
5339 /*ARGSUSED*/
|
|
|
5340 static void
|
|
|
5341 f_iconv(argvars, retvar)
|
|
|
5342 VAR argvars;
|
|
|
5343 VAR retvar;
|
|
|
5344 {
|
|
|
5345 #ifdef FEAT_MBYTE
|
|
|
5346 char_u buf1[NUMBUFLEN];
|
|
|
5347 char_u buf2[NUMBUFLEN];
|
|
|
5348 char_u *from, *to, *str;
|
|
|
5349 vimconv_T vimconv;
|
|
|
5350 #endif
|
|
|
5351
|
|
|
5352 retvar->var_type = VAR_STRING;
|
|
|
5353 retvar->var_val.var_string = NULL;
|
|
|
5354
|
|
|
5355 #ifdef FEAT_MBYTE
|
|
|
5356 str = get_var_string(&argvars[0]);
|
|
|
5357 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5358 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5359 vimconv.vc_type = CONV_NONE;
|
|
|
5360 convert_setup(&vimconv, from, to);
|
|
|
5361
|
|
|
5362 /* If the encodings are equal, no conversion needed. */
|
|
|
5363 if (vimconv.vc_type == CONV_NONE)
|
|
|
5364 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5365 else
|
|
|
5366 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5367
|
|
|
5368 convert_setup(&vimconv, NULL, NULL);
|
|
|
5369 vim_free(from);
|
|
|
5370 vim_free(to);
|
|
|
5371 #endif
|
|
|
5372 }
|
|
|
5373
|
|
|
5374 /*
|
|
|
5375 * "indent()" function
|
|
|
5376 */
|
|
|
5377 static void
|
|
|
5378 f_indent(argvars, retvar)
|
|
|
5379 VAR argvars;
|
|
|
5380 VAR retvar;
|
|
|
5381 {
|
|
|
5382 linenr_T lnum;
|
|
|
5383
|
|
|
5384 lnum = get_var_lnum(argvars);
|
|
|
5385 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5386 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5387 else
|
|
|
5388 retvar->var_val.var_number = -1;
|
|
|
5389 }
|
|
|
5390
|
|
|
5391 static int inputsecret_flag = 0;
|
|
|
5392
|
|
|
5393 /*
|
|
|
5394 * "input()" function
|
|
|
5395 * Also handles inputsecret() when inputsecret is set.
|
|
|
5396 */
|
|
|
5397 static void
|
|
|
5398 f_input(argvars, retvar)
|
|
|
5399 VAR argvars;
|
|
|
5400 VAR retvar;
|
|
|
5401 {
|
|
|
5402 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5403 char_u *p = NULL;
|
|
|
5404 int c;
|
|
|
5405 char_u buf[NUMBUFLEN];
|
|
|
5406 int cmd_silent_save = cmd_silent;
|
|
|
5407
|
|
|
5408 retvar->var_type = VAR_STRING;
|
|
|
5409
|
|
|
5410 #ifdef NO_CONSOLE_INPUT
|
|
|
5411 /* While starting up, there is no place to enter text. */
|
|
|
5412 if (no_console_input())
|
|
|
5413 {
|
|
|
5414 retvar->var_val.var_string = NULL;
|
|
|
5415 return;
|
|
|
5416 }
|
|
|
5417 #endif
|
|
|
5418
|
|
|
5419 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5420 if (prompt != NULL)
|
|
|
5421 {
|
|
|
5422 /* Only the part of the message after the last NL is considered as
|
|
|
5423 * prompt for the command line */
|
|
|
5424 p = vim_strrchr(prompt, '\n');
|
|
|
5425 if (p == NULL)
|
|
|
5426 p = prompt;
|
|
|
5427 else
|
|
|
5428 {
|
|
|
5429 ++p;
|
|
|
5430 c = *p;
|
|
|
5431 *p = NUL;
|
|
|
5432 msg_start();
|
|
|
5433 msg_clr_eos();
|
|
|
5434 msg_puts_attr(prompt, echo_attr);
|
|
|
5435 msg_didout = FALSE;
|
|
|
5436 msg_starthere();
|
|
|
5437 *p = c;
|
|
|
5438 }
|
|
|
5439 cmdline_row = msg_row;
|
|
|
5440 }
|
|
|
5441
|
|
|
5442 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5443 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5444
|
|
|
5445 retvar->var_val.var_string =
|
|
|
5446 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5447
|
|
|
5448 /* since the user typed this, no need to wait for return */
|
|
|
5449 need_wait_return = FALSE;
|
|
|
5450 msg_didout = FALSE;
|
|
|
5451 cmd_silent = cmd_silent_save;
|
|
|
5452 }
|
|
|
5453
|
|
|
5454 /*
|
|
|
5455 * "inputdialog()" function
|
|
|
5456 */
|
|
|
5457 static void
|
|
|
5458 f_inputdialog(argvars, retvar)
|
|
|
5459 VAR argvars;
|
|
|
5460 VAR retvar;
|
|
|
5461 {
|
|
|
5462 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5463 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5464 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5465 {
|
|
|
5466 char_u *message;
|
|
|
5467 char_u buf[NUMBUFLEN];
|
|
|
5468
|
|
|
5469 message = get_var_string(&argvars[0]);
|
|
|
5470 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5471 {
|
|
|
5472 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5473 IObuff[IOSIZE - 1] = NUL;
|
|
|
5474 }
|
|
|
5475 else
|
|
|
5476 IObuff[0] = NUL;
|
|
|
5477 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5478 1, IObuff) == 1)
|
|
|
5479 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5480 else
|
|
|
5481 {
|
|
|
5482 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5483 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5484 retvar->var_val.var_string = vim_strsave(
|
|
|
5485 get_var_string_buf(&argvars[2], buf));
|
|
|
5486 else
|
|
|
5487 retvar->var_val.var_string = NULL;
|
|
|
5488 }
|
|
|
5489 retvar->var_type = VAR_STRING;
|
|
|
5490 }
|
|
|
5491 else
|
|
|
5492 #endif
|
|
|
5493 f_input(argvars, retvar);
|
|
|
5494 }
|
|
|
5495
|
|
|
5496 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5497
|
|
|
5498 /*
|
|
|
5499 * "inputrestore()" function
|
|
|
5500 */
|
|
|
5501 /*ARGSUSED*/
|
|
|
5502 static void
|
|
|
5503 f_inputrestore(argvars, retvar)
|
|
|
5504 VAR argvars;
|
|
|
5505 VAR retvar;
|
|
|
5506 {
|
|
|
5507 if (ga_userinput.ga_len > 0)
|
|
|
5508 {
|
|
|
5509 --ga_userinput.ga_len;
|
|
|
5510 ++ga_userinput.ga_room;
|
|
|
5511 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5512 + ga_userinput.ga_len);
|
|
|
5513 retvar->var_val.var_number = 0; /* OK */
|
|
|
5514 }
|
|
|
5515 else if (p_verbose > 1)
|
|
|
5516 {
|
|
|
5517 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5518 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5519 }
|
|
|
5520 }
|
|
|
5521
|
|
|
5522 /*
|
|
|
5523 * "inputsave()" function
|
|
|
5524 */
|
|
|
5525 /*ARGSUSED*/
|
|
|
5526 static void
|
|
|
5527 f_inputsave(argvars, retvar)
|
|
|
5528 VAR argvars;
|
|
|
5529 VAR retvar;
|
|
|
5530 {
|
|
|
5531 /* Add an entry to the stack of typehead storage. */
|
|
|
5532 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5533 {
|
|
|
5534 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5535 + ga_userinput.ga_len);
|
|
|
5536 ++ga_userinput.ga_len;
|
|
|
5537 --ga_userinput.ga_room;
|
|
|
5538 retvar->var_val.var_number = 0; /* OK */
|
|
|
5539 }
|
|
|
5540 else
|
|
|
5541 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5542 }
|
|
|
5543
|
|
|
5544 /*
|
|
|
5545 * "inputsecret()" function
|
|
|
5546 */
|
|
|
5547 static void
|
|
|
5548 f_inputsecret(argvars, retvar)
|
|
|
5549 VAR argvars;
|
|
|
5550 VAR retvar;
|
|
|
5551 {
|
|
|
5552 ++cmdline_star;
|
|
|
5553 ++inputsecret_flag;
|
|
|
5554 f_input(argvars, retvar);
|
|
|
5555 --cmdline_star;
|
|
|
5556 --inputsecret_flag;
|
|
|
5557 }
|
|
|
5558
|
|
|
5559 /*
|
|
|
5560 * "isdirectory()" function
|
|
|
5561 */
|
|
|
5562 static void
|
|
|
5563 f_isdirectory(argvars, retvar)
|
|
|
5564 VAR argvars;
|
|
|
5565 VAR retvar;
|
|
|
5566 {
|
|
|
5567 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5568 }
|
|
|
5569
|
|
|
5570 /*
|
|
|
5571 * "last_buffer_nr()" function.
|
|
|
5572 */
|
|
|
5573 /*ARGSUSED*/
|
|
|
5574 static void
|
|
|
5575 f_last_buffer_nr(argvars, retvar)
|
|
|
5576 VAR argvars;
|
|
|
5577 VAR retvar;
|
|
|
5578 {
|
|
|
5579 int n = 0;
|
|
|
5580 buf_T *buf;
|
|
|
5581
|
|
|
5582 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5583 if (n < buf->b_fnum)
|
|
|
5584 n = buf->b_fnum;
|
|
|
5585
|
|
|
5586 retvar->var_val.var_number = n;
|
|
|
5587 }
|
|
|
5588
|
|
|
5589 /*
|
|
|
5590 * "line(string)" function
|
|
|
5591 */
|
|
|
5592 static void
|
|
|
5593 f_line(argvars, retvar)
|
|
|
5594 VAR argvars;
|
|
|
5595 VAR retvar;
|
|
|
5596 {
|
|
|
5597 linenr_T lnum = 0;
|
|
|
5598 pos_T *fp;
|
|
|
5599
|
|
|
5600 fp = var2fpos(&argvars[0], TRUE);
|
|
|
5601 if (fp != NULL)
|
|
|
5602 lnum = fp->lnum;
|
|
|
5603 retvar->var_val.var_number = lnum;
|
|
|
5604 }
|
|
|
5605
|
|
|
5606 /*
|
|
|
5607 * "line2byte(lnum)" function
|
|
|
5608 */
|
|
|
5609 /*ARGSUSED*/
|
|
|
5610 static void
|
|
|
5611 f_line2byte(argvars, retvar)
|
|
|
5612 VAR argvars;
|
|
|
5613 VAR retvar;
|
|
|
5614 {
|
|
|
5615 #ifndef FEAT_BYTEOFF
|
|
|
5616 retvar->var_val.var_number = -1;
|
|
|
5617 #else
|
|
|
5618 linenr_T lnum;
|
|
|
5619
|
|
|
5620 lnum = get_var_lnum(argvars);
|
|
|
5621 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
5622 retvar->var_val.var_number = -1;
|
|
|
5623 else
|
|
|
5624 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
5625 if (retvar->var_val.var_number >= 0)
|
|
|
5626 ++retvar->var_val.var_number;
|
|
|
5627 #endif
|
|
|
5628 }
|
|
|
5629
|
|
|
5630 /*
|
|
|
5631 * "lispindent(lnum)" function
|
|
|
5632 */
|
|
|
5633 static void
|
|
|
5634 f_lispindent(argvars, retvar)
|
|
|
5635 VAR argvars;
|
|
|
5636 VAR retvar;
|
|
|
5637 {
|
|
|
5638 #ifdef FEAT_LISP
|
|
|
5639 pos_T pos;
|
|
|
5640 linenr_T lnum;
|
|
|
5641
|
|
|
5642 pos = curwin->w_cursor;
|
|
|
5643 lnum = get_var_lnum(argvars);
|
|
|
5644 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5645 {
|
|
|
5646 curwin->w_cursor.lnum = lnum;
|
|
|
5647 retvar->var_val.var_number = get_lisp_indent();
|
|
|
5648 curwin->w_cursor = pos;
|
|
|
5649 }
|
|
|
5650 else
|
|
|
5651 #endif
|
|
|
5652 retvar->var_val.var_number = -1;
|
|
|
5653 }
|
|
|
5654
|
|
|
5655 /*
|
|
|
5656 * "localtime()" function
|
|
|
5657 */
|
|
|
5658 /*ARGSUSED*/
|
|
|
5659 static void
|
|
|
5660 f_localtime(argvars, retvar)
|
|
|
5661 VAR argvars;
|
|
|
5662 VAR retvar;
|
|
|
5663 {
|
|
|
5664 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
5665 }
|
|
|
5666
|
|
|
5667 /*
|
|
|
5668 * "maparg()" function
|
|
|
5669 */
|
|
|
5670 static void
|
|
|
5671 f_maparg(argvars, retvar)
|
|
|
5672 VAR argvars;
|
|
|
5673 VAR retvar;
|
|
|
5674 {
|
|
|
5675 get_maparg(argvars, retvar, TRUE);
|
|
|
5676 }
|
|
|
5677
|
|
|
5678 /*
|
|
|
5679 * "mapcheck()" function
|
|
|
5680 */
|
|
|
5681 static void
|
|
|
5682 f_mapcheck(argvars, retvar)
|
|
|
5683 VAR argvars;
|
|
|
5684 VAR retvar;
|
|
|
5685 {
|
|
|
5686 get_maparg(argvars, retvar, FALSE);
|
|
|
5687 }
|
|
|
5688
|
|
|
5689 static void
|
|
|
5690 get_maparg(argvars, retvar, exact)
|
|
|
5691 VAR argvars;
|
|
|
5692 VAR retvar;
|
|
|
5693 int exact;
|
|
|
5694 {
|
|
|
5695 char_u *keys;
|
|
|
5696 char_u *which;
|
|
|
5697 char_u buf[NUMBUFLEN];
|
|
|
5698 char_u *keys_buf = NULL;
|
|
|
5699 char_u *rhs;
|
|
|
5700 int mode;
|
|
|
5701 garray_T ga;
|
|
|
5702
|
|
|
5703 /* return empty string for failure */
|
|
|
5704 retvar->var_type = VAR_STRING;
|
|
|
5705 retvar->var_val.var_string = NULL;
|
|
|
5706
|
|
|
5707 keys = get_var_string(&argvars[0]);
|
|
|
5708 if (*keys == NUL)
|
|
|
5709 return;
|
|
|
5710
|
|
|
5711 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5712 which = get_var_string_buf(&argvars[1], buf);
|
|
|
5713 else
|
|
|
5714 which = (char_u *)"";
|
|
|
5715 mode = get_map_mode(&which, 0);
|
|
|
5716
|
|
|
5717 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
5718 rhs = check_map(keys, mode, exact);
|
|
|
5719 vim_free(keys_buf);
|
|
|
5720 if (rhs != NULL)
|
|
|
5721 {
|
|
|
5722 ga_init(&ga);
|
|
|
5723 ga.ga_itemsize = 1;
|
|
|
5724 ga.ga_growsize = 40;
|
|
|
5725
|
|
|
5726 while (*rhs != NUL)
|
|
|
5727 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
5728
|
|
|
5729 ga_append(&ga, NUL);
|
|
|
5730 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
5731 }
|
|
|
5732 }
|
|
|
5733
|
|
|
5734 /*
|
|
|
5735 * "match()" function
|
|
|
5736 */
|
|
|
5737 static void
|
|
|
5738 f_match(argvars, retvar)
|
|
|
5739 VAR argvars;
|
|
|
5740 VAR retvar;
|
|
|
5741 {
|
|
|
5742 find_some_match(argvars, retvar, 1);
|
|
|
5743 }
|
|
|
5744
|
|
|
5745 /*
|
|
|
5746 * "matchend()" function
|
|
|
5747 */
|
|
|
5748 static void
|
|
|
5749 f_matchend(argvars, retvar)
|
|
|
5750 VAR argvars;
|
|
|
5751 VAR retvar;
|
|
|
5752 {
|
|
|
5753 find_some_match(argvars, retvar, 0);
|
|
|
5754 }
|
|
|
5755
|
|
|
5756 /*
|
|
|
5757 * "matchstr()" function
|
|
|
5758 */
|
|
|
5759 static void
|
|
|
5760 f_matchstr(argvars, retvar)
|
|
|
5761 VAR argvars;
|
|
|
5762 VAR retvar;
|
|
|
5763 {
|
|
|
5764 find_some_match(argvars, retvar, 2);
|
|
|
5765 }
|
|
|
5766
|
|
|
5767 static void
|
|
|
5768 find_some_match(argvars, retvar, type)
|
|
|
5769 VAR argvars;
|
|
|
5770 VAR retvar;
|
|
|
5771 int type;
|
|
|
5772 {
|
|
|
5773 char_u *str;
|
|
|
5774 char_u *pat;
|
|
|
5775 regmatch_T regmatch;
|
|
|
5776 char_u patbuf[NUMBUFLEN];
|
|
|
5777 char_u *save_cpo;
|
|
|
5778 long start = 0;
|
|
|
5779
|
|
|
5780 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
5781 save_cpo = p_cpo;
|
|
|
5782 p_cpo = (char_u *)"";
|
|
|
5783
|
|
|
5784 str = get_var_string(&argvars[0]);
|
|
|
5785 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
5786
|
|
|
5787 if (type == 2)
|
|
|
5788 {
|
|
|
5789 retvar->var_type = VAR_STRING;
|
|
|
5790 retvar->var_val.var_string = NULL;
|
|
|
5791 }
|
|
|
5792 else
|
|
|
5793 retvar->var_val.var_number = -1;
|
|
|
5794
|
|
|
5795 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5796 {
|
|
|
5797 start = get_var_number(&argvars[2]);
|
|
|
5798 if (start < 0)
|
|
|
5799 start = 0;
|
|
|
5800 if (start > (long)STRLEN(str))
|
|
|
5801 goto theend;
|
|
|
5802 str += start;
|
|
|
5803 }
|
|
|
5804
|
|
|
5805 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
5806 if (regmatch.regprog != NULL)
|
|
|
5807 {
|
|
|
5808 regmatch.rm_ic = p_ic;
|
|
|
5809 if (vim_regexec_nl(®match, str, (colnr_T)0))
|
|
|
5810 {
|
|
|
5811 if (type == 2)
|
|
|
5812 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
5813 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
5814 else
|
|
|
5815 {
|
|
|
5816 if (type != 0)
|
|
|
5817 retvar->var_val.var_number =
|
|
|
5818 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
5819 else
|
|
|
5820 retvar->var_val.var_number =
|
|
|
5821 (varnumber_T)(regmatch.endp[0] - str);
|
|
|
5822 retvar->var_val.var_number += start;
|
|
|
5823 }
|
|
|
5824 }
|
|
|
5825 vim_free(regmatch.regprog);
|
|
|
5826 }
|
|
|
5827
|
|
|
5828 theend:
|
|
|
5829 p_cpo = save_cpo;
|
|
|
5830 }
|
|
|
5831
|
|
|
5832 /*
|
|
|
5833 * "mode()" function
|
|
|
5834 */
|
|
|
5835 /*ARGSUSED*/
|
|
|
5836 static void
|
|
|
5837 f_mode(argvars, retvar)
|
|
|
5838 VAR argvars;
|
|
|
5839 VAR retvar;
|
|
|
5840 {
|
|
|
5841 char_u buf[2];
|
|
|
5842
|
|
|
5843 #ifdef FEAT_VISUAL
|
|
|
5844 if (VIsual_active)
|
|
|
5845 {
|
|
|
5846 if (VIsual_select)
|
|
|
5847 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
5848 else
|
|
|
5849 buf[0] = VIsual_mode;
|
|
|
5850 }
|
|
|
5851 else
|
|
|
5852 #endif
|
|
|
5853 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
5854 buf[0] = 'r';
|
|
|
5855 else if (State & INSERT)
|
|
|
5856 {
|
|
|
5857 if (State & REPLACE_FLAG)
|
|
|
5858 buf[0] = 'R';
|
|
|
5859 else
|
|
|
5860 buf[0] = 'i';
|
|
|
5861 }
|
|
|
5862 else if (State & CMDLINE)
|
|
|
5863 buf[0] = 'c';
|
|
|
5864 else
|
|
|
5865 buf[0] = 'n';
|
|
|
5866
|
|
|
5867 buf[1] = NUL;
|
|
|
5868 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5869 retvar->var_type = VAR_STRING;
|
|
|
5870 }
|
|
|
5871
|
|
|
5872 /*
|
|
|
5873 * "nr2char()" function
|
|
|
5874 */
|
|
|
5875 static void
|
|
|
5876 f_nr2char(argvars, retvar)
|
|
|
5877 VAR argvars;
|
|
|
5878 VAR retvar;
|
|
|
5879 {
|
|
|
5880 char_u buf[NUMBUFLEN];
|
|
|
5881
|
|
|
5882 #ifdef FEAT_MBYTE
|
|
|
5883 if (has_mbyte)
|
|
|
5884 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
5885 else
|
|
|
5886 #endif
|
|
|
5887 {
|
|
|
5888 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
5889 buf[1] = NUL;
|
|
|
5890 }
|
|
|
5891 retvar->var_type = VAR_STRING;
|
|
|
5892 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5893 }
|
|
|
5894
|
|
|
5895 /*
|
|
|
5896 * "rename({from}, {to})" function
|
|
|
5897 */
|
|
|
5898 static void
|
|
|
5899 f_rename(argvars, retvar)
|
|
|
5900 VAR argvars;
|
|
|
5901 VAR retvar;
|
|
|
5902 {
|
|
|
5903 char_u buf[NUMBUFLEN];
|
|
|
5904
|
|
|
5905 if (check_restricted() || check_secure())
|
|
|
5906 retvar->var_val.var_number = -1;
|
|
|
5907 else
|
|
|
5908 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
5909 get_var_string_buf(&argvars[1], buf));
|
|
|
5910 }
|
|
|
5911
|
|
|
5912 /*
|
|
|
5913 * "resolve()" function
|
|
|
5914 */
|
|
|
5915 static void
|
|
|
5916 f_resolve(argvars, retvar)
|
|
|
5917 VAR argvars;
|
|
|
5918 VAR retvar;
|
|
|
5919 {
|
|
|
5920 char_u *p;
|
|
|
5921
|
|
|
5922 p = get_var_string(&argvars[0]);
|
|
|
5923 #ifdef FEAT_SHORTCUT
|
|
|
5924 {
|
|
|
5925 char_u *v = NULL;
|
|
|
5926
|
|
|
5927 v = mch_resolve_shortcut(p);
|
|
|
5928 if (v != NULL)
|
|
|
5929 retvar->var_val.var_string = v;
|
|
|
5930 else
|
|
|
5931 retvar->var_val.var_string = vim_strsave(p);
|
|
|
5932 }
|
|
|
5933 #else
|
|
|
5934 # ifdef HAVE_READLINK
|
|
|
5935 {
|
|
|
5936 char_u buf[MAXPATHL + 1];
|
|
|
5937 char_u *cpy;
|
|
|
5938 int len;
|
|
|
5939 char_u *remain = NULL;
|
|
|
5940 char_u *q;
|
|
|
5941 int is_relative_to_current = FALSE;
|
|
|
5942 int has_trailing_pathsep = FALSE;
|
|
|
5943 int limit = 100;
|
|
|
5944
|
|
|
5945 p = vim_strsave(p);
|
|
|
5946
|
|
|
5947 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
5948 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
5949 is_relative_to_current = TRUE;
|
|
|
5950
|
|
|
5951 len = STRLEN(p);
|
|
|
5952 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
5953 has_trailing_pathsep = TRUE;
|
|
|
5954
|
|
|
5955 q = getnextcomp(p);
|
|
|
5956 if (*q != NUL)
|
|
|
5957 {
|
|
|
5958 /* Separate the first path component in "p", and keep the
|
|
|
5959 * remainder (beginning with the path separator). */
|
|
|
5960 remain = vim_strsave(q - 1);
|
|
|
5961 q[-1] = NUL;
|
|
|
5962 }
|
|
|
5963
|
|
|
5964 for (;;)
|
|
|
5965 {
|
|
|
5966 for (;;)
|
|
|
5967 {
|
|
|
5968 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
5969 if (len <= 0)
|
|
|
5970 break;
|
|
|
5971 buf[len] = NUL;
|
|
|
5972
|
|
|
5973 if (limit-- == 0)
|
|
|
5974 {
|
|
|
5975 vim_free(p);
|
|
|
5976 vim_free(remain);
|
|
|
5977 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
5978 retvar->var_val.var_string = NULL;
|
|
|
5979 goto fail;
|
|
|
5980 }
|
|
|
5981
|
|
|
5982 /* Ensure that the result will have a trailing path separator
|
|
|
5983 * if the argument has one. */
|
|
|
5984 if (remain == NULL && has_trailing_pathsep)
|
|
|
5985 add_pathsep(buf);
|
|
|
5986
|
|
|
5987 /* Separate the first path component in the link value and
|
|
|
5988 * concatenate the remainders. */
|
|
|
5989 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
5990 if (*q != NUL)
|
|
|
5991 {
|
|
|
5992 if (remain == NULL)
|
|
|
5993 remain = vim_strsave(q - 1);
|
|
|
5994 else
|
|
|
5995 {
|
|
|
5996 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
5997 if (cpy != NULL)
|
|
|
5998 {
|
|
|
5999 STRCAT(cpy, remain);
|
|
|
6000 vim_free(remain);
|
|
|
6001 remain = cpy;
|
|
|
6002 }
|
|
|
6003 }
|
|
|
6004 q[-1] = NUL;
|
|
|
6005 }
|
|
|
6006
|
|
|
6007 q = gettail(p);
|
|
|
6008 if (q > p && *q == NUL)
|
|
|
6009 {
|
|
|
6010 /* Ignore trailing path separator. */
|
|
|
6011 q[-1] = NUL;
|
|
|
6012 q = gettail(p);
|
|
|
6013 }
|
|
|
6014 if (q > p && !mch_isFullName(buf))
|
|
|
6015 {
|
|
|
6016 /* symlink is relative to directory of argument */
|
|
|
6017 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6018 if (cpy != NULL)
|
|
|
6019 {
|
|
|
6020 STRCPY(cpy, p);
|
|
|
6021 STRCPY(gettail(cpy), buf);
|
|
|
6022 vim_free(p);
|
|
|
6023 p = cpy;
|
|
|
6024 }
|
|
|
6025 }
|
|
|
6026 else
|
|
|
6027 {
|
|
|
6028 vim_free(p);
|
|
|
6029 p = vim_strsave(buf);
|
|
|
6030 }
|
|
|
6031 }
|
|
|
6032
|
|
|
6033 if (remain == NULL)
|
|
|
6034 break;
|
|
|
6035
|
|
|
6036 /* Append the first path component of "remain" to "p". */
|
|
|
6037 q = getnextcomp(remain + 1);
|
|
|
6038 len = q - remain - (*q != NUL);
|
|
|
6039 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6040 if (cpy != NULL)
|
|
|
6041 {
|
|
|
6042 STRNCAT(cpy, remain, len);
|
|
|
6043 vim_free(p);
|
|
|
6044 p = cpy;
|
|
|
6045 }
|
|
|
6046 /* Shorten "remain". */
|
|
|
6047 if (*q != NUL)
|
|
|
6048 STRCPY(remain, q - 1);
|
|
|
6049 else
|
|
|
6050 {
|
|
|
6051 vim_free(remain);
|
|
|
6052 remain = NULL;
|
|
|
6053 }
|
|
|
6054 }
|
|
|
6055
|
|
|
6056 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6057 * the current directory if and only if the argument had this form. */
|
|
|
6058 if (!vim_ispathsep(*p))
|
|
|
6059 {
|
|
|
6060 if (is_relative_to_current
|
|
|
6061 && *p != NUL
|
|
|
6062 && !(p[0] == '.'
|
|
|
6063 && (p[1] == NUL
|
|
|
6064 || vim_ispathsep(p[1])
|
|
|
6065 || (p[1] == '.'
|
|
|
6066 && (p[2] == NUL
|
|
|
6067 || vim_ispathsep(p[2]))))))
|
|
|
6068 {
|
|
|
6069 /* Prepend "./". */
|
|
|
6070 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6071 if (cpy != NULL)
|
|
|
6072 {
|
|
|
6073 STRCAT(cpy, p);
|
|
|
6074 vim_free(p);
|
|
|
6075 p = cpy;
|
|
|
6076 }
|
|
|
6077 }
|
|
|
6078 else if (!is_relative_to_current)
|
|
|
6079 {
|
|
|
6080 /* Strip leading "./". */
|
|
|
6081 q = p;
|
|
|
6082 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6083 q += 2;
|
|
|
6084 if (q > p)
|
|
|
6085 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6086 }
|
|
|
6087 }
|
|
|
6088
|
|
|
6089 /* Ensure that the result will have no trailing path separator
|
|
|
6090 * if the argument had none. But keep "/" or "//". */
|
|
|
6091 if (!has_trailing_pathsep)
|
|
|
6092 {
|
|
|
6093 q = p + STRLEN(p);
|
|
|
6094 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6095 && vim_ispathsep(q[-1]))
|
|
|
6096 --q;
|
|
|
6097 *q = NUL;
|
|
|
6098 }
|
|
|
6099
|
|
|
6100 retvar->var_val.var_string = p;
|
|
|
6101 }
|
|
|
6102 # else
|
|
|
6103 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6104 # endif
|
|
|
6105 #endif
|
|
|
6106
|
|
|
6107 simplify_filename(retvar->var_val.var_string);
|
|
|
6108
|
|
|
6109 #ifdef HAVE_READLINK
|
|
|
6110 fail:
|
|
|
6111 #endif
|
|
|
6112 retvar->var_type = VAR_STRING;
|
|
|
6113 }
|
|
|
6114
|
|
|
6115 /*
|
|
|
6116 * "simplify()" function
|
|
|
6117 */
|
|
|
6118 static void
|
|
|
6119 f_simplify(argvars, retvar)
|
|
|
6120 VAR argvars;
|
|
|
6121 VAR retvar;
|
|
|
6122 {
|
|
|
6123 char_u *p;
|
|
|
6124
|
|
|
6125 p = get_var_string(&argvars[0]);
|
|
|
6126 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6127 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6128 retvar->var_type = VAR_STRING;
|
|
|
6129 }
|
|
|
6130
|
|
|
6131 /*
|
|
|
6132 * "search()" function
|
|
|
6133 */
|
|
|
6134 static void
|
|
|
6135 f_search(argvars, retvar)
|
|
|
6136 VAR argvars;
|
|
|
6137 VAR retvar;
|
|
|
6138 {
|
|
|
6139 char_u *pat;
|
|
|
6140 pos_T pos;
|
|
|
6141 int save_p_ws = p_ws;
|
|
|
6142 int dir;
|
|
|
6143
|
|
|
6144 pat = get_var_string(&argvars[0]);
|
|
|
6145 dir = get_search_arg(&argvars[1], NULL); /* may set p_ws */
|
|
|
6146
|
|
|
6147 pos = curwin->w_cursor;
|
|
|
6148 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6149 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6150 {
|
|
|
6151 retvar->var_val.var_number = pos.lnum;
|
|
|
6152 curwin->w_cursor = pos;
|
|
|
6153 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6154 * correct that here */
|
|
|
6155 check_cursor();
|
|
|
6156 }
|
|
|
6157 else
|
|
|
6158 retvar->var_val.var_number = 0;
|
|
|
6159 p_ws = save_p_ws;
|
|
|
6160 }
|
|
|
6161
|
|
|
6162 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6163 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6164 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6165
|
|
|
6166 /*
|
|
|
6167 * "searchpair()" function
|
|
|
6168 */
|
|
|
6169 static void
|
|
|
6170 f_searchpair(argvars, retvar)
|
|
|
6171 VAR argvars;
|
|
|
6172 VAR retvar;
|
|
|
6173 {
|
|
|
6174 char_u *spat, *mpat, *epat;
|
|
|
6175 char_u *skip;
|
|
|
6176 char_u *pat, *pat2, *pat3;
|
|
|
6177 pos_T pos;
|
|
|
6178 pos_T firstpos;
|
|
|
6179 pos_T save_cursor;
|
|
|
6180 pos_T save_pos;
|
|
|
6181 int save_p_ws = p_ws;
|
|
|
6182 char_u *save_cpo;
|
|
|
6183 int dir;
|
|
|
6184 int flags = 0;
|
|
|
6185 char_u nbuf1[NUMBUFLEN];
|
|
|
6186 char_u nbuf2[NUMBUFLEN];
|
|
|
6187 char_u nbuf3[NUMBUFLEN];
|
|
|
6188 int n;
|
|
|
6189 int r;
|
|
|
6190 int nest = 1;
|
|
|
6191 int err;
|
|
|
6192
|
|
|
6193 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6194
|
|
|
6195 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6196 save_cpo = p_cpo;
|
|
|
6197 p_cpo = (char_u *)"";
|
|
|
6198
|
|
|
6199 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6200 spat = get_var_string(&argvars[0]);
|
|
|
6201 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6202 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6203
|
|
|
6204 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6205 * start/middle/end (pat3, for the top pair). */
|
|
|
6206 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6207 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6208 if (pat2 == NULL || pat3 == NULL)
|
|
|
6209 goto theend;
|
|
|
6210 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6211 if (*mpat == NUL)
|
|
|
6212 STRCPY(pat3, pat2);
|
|
|
6213 else
|
|
|
6214 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6215 spat, epat, mpat);
|
|
|
6216
|
|
|
6217 /* Handle the optional fourth argument: flags */
|
|
|
6218 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
|
6219
|
|
|
6220 /* Optional fifth argument: skip expresion */
|
|
|
6221 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6222 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6223 skip = (char_u *)"";
|
|
|
6224 else
|
|
|
6225 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6226
|
|
|
6227 save_cursor = curwin->w_cursor;
|
|
|
6228 pos = curwin->w_cursor;
|
|
|
6229 firstpos.lnum = 0;
|
|
|
6230 pat = pat3;
|
|
|
6231 for (;;)
|
|
|
6232 {
|
|
|
6233 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6234 SEARCH_KEEP, RE_SEARCH);
|
|
|
6235 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6236 /* didn't find it or found the first match again: FAIL */
|
|
|
6237 break;
|
|
|
6238
|
|
|
6239 if (firstpos.lnum == 0)
|
|
|
6240 firstpos = pos;
|
|
|
6241
|
|
|
6242 /* If the skip pattern matches, ignore this match. */
|
|
|
6243 if (*skip != NUL)
|
|
|
6244 {
|
|
|
6245 save_pos = curwin->w_cursor;
|
|
|
6246 curwin->w_cursor = pos;
|
|
|
6247 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6248 curwin->w_cursor = save_pos;
|
|
|
6249 if (err)
|
|
|
6250 {
|
|
|
6251 /* Evaluating {skip} caused an error, break here. */
|
|
|
6252 curwin->w_cursor = save_cursor;
|
|
|
6253 retvar->var_val.var_number = -1;
|
|
|
6254 break;
|
|
|
6255 }
|
|
|
6256 if (r)
|
|
|
6257 continue;
|
|
|
6258 }
|
|
|
6259
|
|
|
6260 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6261 {
|
|
|
6262 /* Found end when searching backwards or start when searching
|
|
|
6263 * forward: nested pair. */
|
|
|
6264 ++nest;
|
|
|
6265 pat = pat2; /* nested, don't search for middle */
|
|
|
6266 }
|
|
|
6267 else
|
|
|
6268 {
|
|
|
6269 /* Found end when searching forward or start when searching
|
|
|
6270 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6271 if (--nest == 1)
|
|
|
6272 pat = pat3; /* outer level, search for middle */
|
|
|
6273 }
|
|
|
6274
|
|
|
6275 if (nest == 0)
|
|
|
6276 {
|
|
|
6277 /* Found the match: return matchcount or line number. */
|
|
|
6278 if (flags & SP_RETCOUNT)
|
|
|
6279 ++retvar->var_val.var_number;
|
|
|
6280 else
|
|
|
6281 retvar->var_val.var_number = pos.lnum;
|
|
|
6282 curwin->w_cursor = pos;
|
|
|
6283 if (!(flags & SP_REPEAT))
|
|
|
6284 break;
|
|
|
6285 nest = 1; /* search for next unmatched */
|
|
|
6286 }
|
|
|
6287 }
|
|
|
6288
|
|
|
6289 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6290 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6291 curwin->w_cursor = save_cursor;
|
|
|
6292
|
|
|
6293 theend:
|
|
|
6294 vim_free(pat2);
|
|
|
6295 vim_free(pat3);
|
|
|
6296 p_ws = save_p_ws;
|
|
|
6297 p_cpo = save_cpo;
|
|
|
6298 }
|
|
|
6299
|
|
|
6300 static int
|
|
|
6301 get_search_arg(varp, flagsp)
|
|
|
6302 VAR varp;
|
|
|
6303 int *flagsp;
|
|
|
6304 {
|
|
|
6305 int dir = FORWARD;
|
|
|
6306 char_u *flags;
|
|
|
6307 char_u nbuf[NUMBUFLEN];
|
|
|
6308
|
|
|
6309 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6310 {
|
|
|
6311 flags = get_var_string_buf(varp, nbuf);
|
|
|
6312 if (vim_strchr(flags, 'b') != NULL)
|
|
|
6313 dir = BACKWARD;
|
|
|
6314 if (vim_strchr(flags, 'w') != NULL)
|
|
|
6315 p_ws = TRUE;
|
|
|
6316 if (vim_strchr(flags, 'W') != NULL)
|
|
|
6317 p_ws = FALSE;
|
|
|
6318 if (flagsp != NULL)
|
|
|
6319 {
|
|
|
6320 if (vim_strchr(flags, 'n') != NULL)
|
|
|
6321 *flagsp |= SP_NOMOVE;
|
|
|
6322 if (vim_strchr(flags, 'r') != NULL)
|
|
|
6323 *flagsp |= SP_REPEAT;
|
|
|
6324 if (vim_strchr(flags, 'm') != NULL)
|
|
|
6325 *flagsp |= SP_RETCOUNT;
|
|
|
6326 }
|
|
|
6327 }
|
|
|
6328 return dir;
|
|
|
6329 }
|
|
|
6330
|
|
|
6331 /*
|
|
|
6332 * "setbufvar()" function
|
|
|
6333 */
|
|
|
6334 /*ARGSUSED*/
|
|
|
6335 static void
|
|
|
6336 f_setbufvar(argvars, retvar)
|
|
|
6337 VAR argvars;
|
|
|
6338 VAR retvar;
|
|
|
6339 {
|
|
|
6340 buf_T *buf;
|
|
|
6341 #ifdef FEAT_AUTOCMD
|
|
|
6342 aco_save_T aco;
|
|
|
6343 #else
|
|
|
6344 buf_T *save_curbuf;
|
|
|
6345 #endif
|
|
|
6346 char_u *varname, *bufvarname;
|
|
|
6347 VAR varp;
|
|
|
6348 char_u nbuf[NUMBUFLEN];
|
|
|
6349
|
|
|
6350 if (check_restricted() || check_secure())
|
|
|
6351 return;
|
|
|
6352 ++emsg_off;
|
|
|
6353 buf = get_buf_var(&argvars[0]);
|
|
|
6354 varname = get_var_string(&argvars[1]);
|
|
|
6355 varp = &argvars[2];
|
|
|
6356
|
|
|
6357 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6358 {
|
|
|
6359 /* set curbuf to be our buf, temporarily */
|
|
|
6360 #ifdef FEAT_AUTOCMD
|
|
|
6361 aucmd_prepbuf(&aco, buf);
|
|
|
6362 #else
|
|
|
6363 save_curbuf = curbuf;
|
|
|
6364 curbuf = buf;
|
|
|
6365 #endif
|
|
|
6366
|
|
|
6367 if (*varname == '&')
|
|
|
6368 {
|
|
|
6369 ++varname;
|
|
|
6370 set_option_value(varname, get_var_number(varp),
|
|
|
6371 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6372 }
|
|
|
6373 else
|
|
|
6374 {
|
|
|
6375 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6376 if (bufvarname != NULL)
|
|
|
6377 {
|
|
|
6378 STRCPY(bufvarname, "b:");
|
|
|
6379 STRCPY(bufvarname + 2, varname);
|
|
|
6380 set_var(bufvarname, varp);
|
|
|
6381 vim_free(bufvarname);
|
|
|
6382 }
|
|
|
6383 }
|
|
|
6384
|
|
|
6385 /* reset notion of buffer */
|
|
|
6386 #ifdef FEAT_AUTOCMD
|
|
|
6387 aucmd_restbuf(&aco);
|
|
|
6388 #else
|
|
|
6389 curbuf = save_curbuf;
|
|
|
6390 #endif
|
|
|
6391 }
|
|
|
6392 --emsg_off;
|
|
|
6393 }
|
|
|
6394
|
|
|
6395 /*
|
|
|
6396 * "setcmdpos()" function
|
|
|
6397 */
|
|
|
6398 static void
|
|
|
6399 f_setcmdpos(argvars, retvar)
|
|
|
6400 VAR argvars;
|
|
|
6401 VAR retvar;
|
|
|
6402 {
|
|
|
6403 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6404 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6405 }
|
|
|
6406
|
|
|
6407 /*
|
|
|
6408 * "setline()" function
|
|
|
6409 */
|
|
|
6410 static void
|
|
|
6411 f_setline(argvars, retvar)
|
|
|
6412 VAR argvars;
|
|
|
6413 VAR retvar;
|
|
|
6414 {
|
|
|
6415 linenr_T lnum;
|
|
|
6416 char_u *line;
|
|
|
6417
|
|
|
6418 lnum = get_var_lnum(argvars);
|
|
|
6419 line = get_var_string(&argvars[1]);
|
|
|
6420 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6421
|
|
|
6422 if (lnum >= 1
|
|
|
6423 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6424 && u_savesub(lnum) == OK
|
|
|
6425 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6426 {
|
|
|
6427 changed_bytes(lnum, 0);
|
|
|
6428 check_cursor_col();
|
|
|
6429 retvar->var_val.var_number = 0;
|
|
|
6430 }
|
|
|
6431 }
|
|
|
6432
|
|
|
6433 /*
|
|
|
6434 * "setreg()" function
|
|
|
6435 */
|
|
|
6436 static void
|
|
|
6437 f_setreg(argvars, retvar)
|
|
|
6438 VAR argvars;
|
|
|
6439 VAR retvar;
|
|
|
6440 {
|
|
|
6441 int regname;
|
|
|
6442 char_u *strregname;
|
|
|
6443 char_u *stropt;
|
|
|
6444 int append;
|
|
|
6445 char_u yank_type;
|
|
|
6446 long block_len;
|
|
|
6447
|
|
|
6448 block_len = -1;
|
|
|
6449 yank_type = MAUTO;
|
|
|
6450 append = FALSE;
|
|
|
6451
|
|
|
6452 strregname = get_var_string(argvars);
|
|
|
6453 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6454
|
|
|
6455 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6456 if (regname == 0 || regname == '@')
|
|
|
6457 regname = '"';
|
|
|
6458 else if (regname == '=')
|
|
|
6459 return;
|
|
|
6460
|
|
|
6461 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6462 {
|
|
|
6463 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6464 switch (*stropt)
|
|
|
6465 {
|
|
|
6466 case 'a': case 'A': /* append */
|
|
|
6467 append = TRUE;
|
|
|
6468 break;
|
|
|
6469 case 'v': case 'c': /* character-wise selection */
|
|
|
6470 yank_type = MCHAR;
|
|
|
6471 break;
|
|
|
6472 case 'V': case 'l': /* line-wise selection */
|
|
|
6473 yank_type = MLINE;
|
|
|
6474 break;
|
|
|
6475 #ifdef FEAT_VISUAL
|
|
|
6476 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6477 yank_type = MBLOCK;
|
|
|
6478 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6479 {
|
|
|
6480 ++stropt;
|
|
|
6481 block_len = getdigits(&stropt) - 1;
|
|
|
6482 --stropt;
|
|
|
6483 }
|
|
|
6484 break;
|
|
|
6485 #endif
|
|
|
6486 }
|
|
|
6487 }
|
|
|
6488
|
|
|
6489 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6490 append, yank_type, block_len);
|
|
|
6491 retvar->var_val.var_number = 0;
|
|
|
6492 }
|
|
|
6493
|
|
|
6494
|
|
|
6495 /*
|
|
|
6496 * "setwinvar(expr)" function
|
|
|
6497 */
|
|
|
6498 /*ARGSUSED*/
|
|
|
6499 static void
|
|
|
6500 f_setwinvar(argvars, retvar)
|
|
|
6501 VAR argvars;
|
|
|
6502 VAR retvar;
|
|
|
6503 {
|
|
|
6504 win_T *win;
|
|
|
6505 #ifdef FEAT_WINDOWS
|
|
|
6506 win_T *save_curwin;
|
|
|
6507 #endif
|
|
|
6508 char_u *varname, *winvarname;
|
|
|
6509 VAR varp;
|
|
|
6510 char_u nbuf[NUMBUFLEN];
|
|
|
6511
|
|
|
6512 if (check_restricted() || check_secure())
|
|
|
6513 return;
|
|
|
6514 ++emsg_off;
|
|
|
6515 win = find_win_by_nr(&argvars[0]);
|
|
|
6516 varname = get_var_string(&argvars[1]);
|
|
|
6517 varp = &argvars[2];
|
|
|
6518
|
|
|
6519 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6520 {
|
|
|
6521 #ifdef FEAT_WINDOWS
|
|
|
6522 /* set curwin to be our win, temporarily */
|
|
|
6523 save_curwin = curwin;
|
|
|
6524 curwin = win;
|
|
|
6525 curbuf = curwin->w_buffer;
|
|
|
6526 #endif
|
|
|
6527
|
|
|
6528 if (*varname == '&')
|
|
|
6529 {
|
|
|
6530 ++varname;
|
|
|
6531 set_option_value(varname, get_var_number(varp),
|
|
|
6532 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6533 }
|
|
|
6534 else
|
|
|
6535 {
|
|
|
6536 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6537 if (winvarname != NULL)
|
|
|
6538 {
|
|
|
6539 STRCPY(winvarname, "w:");
|
|
|
6540 STRCPY(winvarname + 2, varname);
|
|
|
6541 set_var(winvarname, varp);
|
|
|
6542 vim_free(winvarname);
|
|
|
6543 }
|
|
|
6544 }
|
|
|
6545
|
|
|
6546 #ifdef FEAT_WINDOWS
|
|
|
6547 /* Restore current window, if it's still valid (autocomands can make
|
|
|
6548 * it invalid). */
|
|
|
6549 if (win_valid(save_curwin))
|
|
|
6550 {
|
|
|
6551 curwin = save_curwin;
|
|
|
6552 curbuf = curwin->w_buffer;
|
|
|
6553 }
|
|
|
6554 #endif
|
|
|
6555 }
|
|
|
6556 --emsg_off;
|
|
|
6557 }
|
|
|
6558
|
|
|
6559 /*
|
|
|
6560 * "nextnonblank()" function
|
|
|
6561 */
|
|
|
6562 static void
|
|
|
6563 f_nextnonblank(argvars, retvar)
|
|
|
6564 VAR argvars;
|
|
|
6565 VAR retvar;
|
|
|
6566 {
|
|
|
6567 linenr_T lnum;
|
|
|
6568
|
|
|
6569 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
6570 {
|
|
|
6571 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
6572 {
|
|
|
6573 lnum = 0;
|
|
|
6574 break;
|
|
|
6575 }
|
|
|
6576 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
6577 break;
|
|
|
6578 }
|
|
|
6579 retvar->var_val.var_number = lnum;
|
|
|
6580 }
|
|
|
6581
|
|
|
6582 /*
|
|
|
6583 * "prevnonblank()" function
|
|
|
6584 */
|
|
|
6585 static void
|
|
|
6586 f_prevnonblank(argvars, retvar)
|
|
|
6587 VAR argvars;
|
|
|
6588 VAR retvar;
|
|
|
6589 {
|
|
|
6590 linenr_T lnum;
|
|
|
6591
|
|
|
6592 lnum = get_var_lnum(argvars);
|
|
|
6593 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
6594 lnum = 0;
|
|
|
6595 else
|
|
|
6596 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
6597 --lnum;
|
|
|
6598 retvar->var_val.var_number = lnum;
|
|
|
6599 }
|
|
|
6600
|
|
|
6601 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
6602 static void make_connection __ARGS((void));
|
|
|
6603 static int check_connection __ARGS((void));
|
|
|
6604
|
|
|
6605 static void
|
|
|
6606 make_connection()
|
|
|
6607 {
|
|
|
6608 if (X_DISPLAY == NULL
|
|
|
6609 # ifdef FEAT_GUI
|
|
|
6610 && !gui.in_use
|
|
|
6611 # endif
|
|
|
6612 )
|
|
|
6613 {
|
|
|
6614 x_force_connect = TRUE;
|
|
|
6615 setup_term_clip();
|
|
|
6616 x_force_connect = FALSE;
|
|
|
6617 }
|
|
|
6618 }
|
|
|
6619
|
|
|
6620 static int
|
|
|
6621 check_connection()
|
|
|
6622 {
|
|
|
6623 make_connection();
|
|
|
6624 if (X_DISPLAY == NULL)
|
|
|
6625 {
|
|
|
6626 EMSG(_("E240: No connection to Vim server"));
|
|
|
6627 return FAIL;
|
|
|
6628 }
|
|
|
6629 return OK;
|
|
|
6630 }
|
|
|
6631 #endif
|
|
|
6632
|
|
|
6633 /*ARGSUSED*/
|
|
|
6634 static void
|
|
|
6635 f_serverlist(argvars, retvar)
|
|
|
6636 VAR argvars;
|
|
|
6637 VAR retvar;
|
|
|
6638 {
|
|
|
6639 char_u *r = NULL;
|
|
|
6640
|
|
|
6641 #ifdef FEAT_CLIENTSERVER
|
|
|
6642 # ifdef WIN32
|
|
|
6643 r = serverGetVimNames();
|
|
|
6644 # else
|
|
|
6645 make_connection();
|
|
|
6646 if (X_DISPLAY != NULL)
|
|
|
6647 r = serverGetVimNames(X_DISPLAY);
|
|
|
6648 # endif
|
|
|
6649 #endif
|
|
|
6650 retvar->var_type = VAR_STRING;
|
|
|
6651 retvar->var_val.var_string = r;
|
|
|
6652 }
|
|
|
6653
|
|
|
6654 /*ARGSUSED*/
|
|
|
6655 static void
|
|
|
6656 f_remote_peek(argvars, retvar)
|
|
|
6657 VAR argvars;
|
|
|
6658 VAR retvar;
|
|
|
6659 {
|
|
|
6660 #ifdef FEAT_CLIENTSERVER
|
|
|
6661 var v;
|
|
|
6662 char_u *s = NULL;
|
|
|
6663 # ifdef WIN32
|
|
|
6664 int n = 0;
|
|
|
6665 # endif
|
|
|
6666
|
|
|
6667 if (check_restricted() || check_secure())
|
|
|
6668 {
|
|
|
6669 retvar->var_val.var_number = -1;
|
|
|
6670 return;
|
|
|
6671 }
|
|
|
6672 # ifdef WIN32
|
|
|
6673 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6674 if (n == 0)
|
|
|
6675 retvar->var_val.var_number = -1;
|
|
|
6676 else
|
|
|
6677 {
|
|
|
6678 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
6679 retvar->var_val.var_number = (s != NULL);
|
|
|
6680 }
|
|
|
6681 # else
|
|
|
6682 retvar->var_val.var_number = 0;
|
|
|
6683 if (check_connection() == FAIL)
|
|
|
6684 return;
|
|
|
6685
|
|
|
6686 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
6687 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
6688 # endif
|
|
|
6689
|
|
|
6690 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
6691 {
|
|
|
6692 v.var_type = VAR_STRING;
|
|
|
6693 v.var_val.var_string = vim_strsave(s);
|
|
|
6694 set_var(get_var_string(&argvars[1]), &v);
|
|
|
6695 }
|
|
|
6696 #else
|
|
|
6697 retvar->var_val.var_number = -1;
|
|
|
6698 #endif
|
|
|
6699 }
|
|
|
6700
|
|
|
6701 /*ARGSUSED*/
|
|
|
6702 static void
|
|
|
6703 f_remote_read(argvars, retvar)
|
|
|
6704 VAR argvars;
|
|
|
6705 VAR retvar;
|
|
|
6706 {
|
|
|
6707 char_u *r = NULL;
|
|
|
6708
|
|
|
6709 #ifdef FEAT_CLIENTSERVER
|
|
|
6710 if (!check_restricted() && !check_secure())
|
|
|
6711 {
|
|
|
6712 # ifdef WIN32
|
|
|
6713 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
6714 int n = 0;
|
|
|
6715
|
|
|
6716 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6717 if (n != 0)
|
|
|
6718 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
6719 if (r == NULL)
|
|
|
6720 # else
|
|
|
6721 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
6722 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
6723 # endif
|
|
|
6724 EMSG(_("E277: Unable to read a server reply"));
|
|
|
6725 }
|
|
|
6726 #endif
|
|
|
6727 retvar->var_type = VAR_STRING;
|
|
|
6728 retvar->var_val.var_string = r;
|
|
|
6729 }
|
|
|
6730
|
|
|
6731 /*ARGSUSED*/
|
|
|
6732 static void
|
|
|
6733 f_server2client(argvars, retvar)
|
|
|
6734 VAR argvars;
|
|
|
6735 VAR retvar;
|
|
|
6736 {
|
|
|
6737 #ifdef FEAT_CLIENTSERVER
|
|
|
6738 char_u buf[NUMBUFLEN];
|
|
|
6739 char_u *server = get_var_string(&argvars[0]);
|
|
|
6740 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
6741
|
|
|
6742 retvar->var_val.var_number = -1;
|
|
|
6743 if (check_restricted() || check_secure())
|
|
|
6744 return;
|
|
|
6745 # ifdef FEAT_X11
|
|
|
6746 if (check_connection() == FAIL)
|
|
|
6747 return;
|
|
|
6748 # endif
|
|
|
6749
|
|
|
6750 if (serverSendReply(server, reply) < 0)
|
|
|
6751 {
|
|
|
6752 EMSG(_("E258: Unable to send to client"));
|
|
|
6753 return;
|
|
|
6754 }
|
|
|
6755 retvar->var_val.var_number = 0;
|
|
|
6756 #else
|
|
|
6757 retvar->var_val.var_number = -1;
|
|
|
6758 #endif
|
|
|
6759 }
|
|
|
6760
|
|
|
6761 #ifdef FEAT_CLIENTSERVER
|
|
|
6762 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
6763
|
|
|
6764 static void
|
|
|
6765 remote_common(argvars, retvar, expr)
|
|
|
6766 VAR argvars;
|
|
|
6767 VAR retvar;
|
|
|
6768 int expr;
|
|
|
6769 {
|
|
|
6770 char_u *server_name;
|
|
|
6771 char_u *keys;
|
|
|
6772 char_u *r = NULL;
|
|
|
6773 char_u buf[NUMBUFLEN];
|
|
|
6774 # ifdef WIN32
|
|
|
6775 HWND w;
|
|
|
6776 # else
|
|
|
6777 Window w;
|
|
|
6778 # endif
|
|
|
6779
|
|
|
6780 if (check_restricted() || check_secure())
|
|
|
6781 return;
|
|
|
6782
|
|
|
6783 # ifdef FEAT_X11
|
|
|
6784 if (check_connection() == FAIL)
|
|
|
6785 return;
|
|
|
6786 # endif
|
|
|
6787
|
|
|
6788 server_name = get_var_string(&argvars[0]);
|
|
|
6789 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
6790 # ifdef WIN32
|
|
|
6791 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
6792 # else
|
|
|
6793 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
6794 < 0)
|
|
|
6795 # endif
|
|
|
6796 {
|
|
|
6797 if (r != NULL)
|
|
|
6798 EMSG(r); /* sending worked but evaluation failed */
|
|
|
6799 else
|
|
|
6800 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
6801 return;
|
|
|
6802 }
|
|
|
6803
|
|
|
6804 retvar->var_val.var_string = r;
|
|
|
6805
|
|
|
6806 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6807 {
|
|
|
6808 var v;
|
|
|
6809 char_u str[30];
|
|
|
6810
|
|
|
6811 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
6812 v.var_type = VAR_STRING;
|
|
|
6813 v.var_val.var_string = vim_strsave(str);
|
|
|
6814 set_var(get_var_string(&argvars[2]), &v);
|
|
|
6815 }
|
|
|
6816 }
|
|
|
6817 #endif
|
|
|
6818
|
|
|
6819 /*
|
|
|
6820 * "remote_expr()" function
|
|
|
6821 */
|
|
|
6822 /*ARGSUSED*/
|
|
|
6823 static void
|
|
|
6824 f_remote_expr(argvars, retvar)
|
|
|
6825 VAR argvars;
|
|
|
6826 VAR retvar;
|
|
|
6827 {
|
|
|
6828 retvar->var_type = VAR_STRING;
|
|
|
6829 retvar->var_val.var_string = NULL;
|
|
|
6830 #ifdef FEAT_CLIENTSERVER
|
|
|
6831 remote_common(argvars, retvar, TRUE);
|
|
|
6832 #endif
|
|
|
6833 }
|
|
|
6834
|
|
|
6835 /*
|
|
|
6836 * "remote_send()" function
|
|
|
6837 */
|
|
|
6838 /*ARGSUSED*/
|
|
|
6839 static void
|
|
|
6840 f_remote_send(argvars, retvar)
|
|
|
6841 VAR argvars;
|
|
|
6842 VAR retvar;
|
|
|
6843 {
|
|
|
6844 retvar->var_type = VAR_STRING;
|
|
|
6845 retvar->var_val.var_string = NULL;
|
|
|
6846 #ifdef FEAT_CLIENTSERVER
|
|
|
6847 remote_common(argvars, retvar, FALSE);
|
|
|
6848 #endif
|
|
|
6849 }
|
|
|
6850
|
|
|
6851 /*
|
|
|
6852 * "remote_foreground()" function
|
|
|
6853 */
|
|
|
6854 /*ARGSUSED*/
|
|
|
6855 static void
|
|
|
6856 f_remote_foreground(argvars, retvar)
|
|
|
6857 VAR argvars;
|
|
|
6858 VAR retvar;
|
|
|
6859 {
|
|
|
6860 retvar->var_val.var_number = 0;
|
|
|
6861 #ifdef FEAT_CLIENTSERVER
|
|
|
6862 # ifdef WIN32
|
|
|
6863 /* On Win32 it's done in this application. */
|
|
|
6864 serverForeground(get_var_string(&argvars[0]));
|
|
|
6865 # else
|
|
|
6866 /* Send a foreground() expression to the server. */
|
|
|
6867 argvars[1].var_type = VAR_STRING;
|
|
|
6868 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
6869 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
6870 remote_common(argvars, retvar, TRUE);
|
|
|
6871 vim_free(argvars[1].var_val.var_string);
|
|
|
6872 # endif
|
|
|
6873 #endif
|
|
|
6874 }
|
|
|
6875
|
|
|
6876 #ifdef HAVE_STRFTIME
|
|
|
6877 /*
|
|
|
6878 * "strftime({format}[, {time}])" function
|
|
|
6879 */
|
|
|
6880 static void
|
|
|
6881 f_strftime(argvars, retvar)
|
|
|
6882 VAR argvars;
|
|
|
6883 VAR retvar;
|
|
|
6884 {
|
|
|
6885 char_u result_buf[256];
|
|
|
6886 struct tm *curtime;
|
|
|
6887 time_t seconds;
|
|
|
6888 char_u *p;
|
|
|
6889
|
|
|
6890 retvar->var_type = VAR_STRING;
|
|
|
6891
|
|
|
6892 p = get_var_string(&argvars[0]);
|
|
|
6893 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
6894 seconds = time(NULL);
|
|
|
6895 else
|
|
|
6896 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
6897 curtime = localtime(&seconds);
|
|
|
6898 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
6899 if (curtime == NULL)
|
|
|
6900 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
6901 else
|
|
|
6902 {
|
|
|
6903 # ifdef FEAT_MBYTE
|
|
|
6904 vimconv_T conv;
|
|
|
6905 char_u *enc;
|
|
|
6906
|
|
|
6907 conv.vc_type = CONV_NONE;
|
|
|
6908 enc = enc_locale();
|
|
|
6909 convert_setup(&conv, p_enc, enc);
|
|
|
6910 if (conv.vc_type != CONV_NONE)
|
|
|
6911 p = string_convert(&conv, p, NULL);
|
|
|
6912 # endif
|
|
|
6913 if (p != NULL)
|
|
|
6914 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
6915 (char *)p, curtime);
|
|
|
6916 else
|
|
|
6917 result_buf[0] = NUL;
|
|
|
6918
|
|
|
6919 # ifdef FEAT_MBYTE
|
|
|
6920 if (conv.vc_type != CONV_NONE)
|
|
|
6921 vim_free(p);
|
|
|
6922 convert_setup(&conv, enc, p_enc);
|
|
|
6923 if (conv.vc_type != CONV_NONE)
|
|
|
6924 retvar->var_val.var_string =
|
|
|
6925 string_convert(&conv, result_buf, NULL);
|
|
|
6926 else
|
|
|
6927 # endif
|
|
|
6928 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
6929
|
|
|
6930 # ifdef FEAT_MBYTE
|
|
|
6931 /* Release conversion descriptors */
|
|
|
6932 convert_setup(&conv, NULL, NULL);
|
|
|
6933 vim_free(enc);
|
|
|
6934 # endif
|
|
|
6935 }
|
|
|
6936 }
|
|
|
6937 #endif
|
|
|
6938
|
|
|
6939 /*
|
|
|
6940 * "stridx()" function
|
|
|
6941 */
|
|
|
6942 static void
|
|
|
6943 f_stridx(argvars, retvar)
|
|
|
6944 VAR argvars;
|
|
|
6945 VAR retvar;
|
|
|
6946 {
|
|
|
6947 char_u buf[NUMBUFLEN];
|
|
|
6948 char_u *needle;
|
|
|
6949 char_u *haystack;
|
|
|
6950 char_u *pos;
|
|
|
6951
|
|
|
6952 needle = get_var_string(&argvars[1]);
|
|
|
6953 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
6954 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
6955
|
|
|
6956 if (pos == NULL)
|
|
|
6957 retvar->var_val.var_number = -1;
|
|
|
6958 else
|
|
|
6959 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
6960 }
|
|
|
6961
|
|
|
6962 /*
|
|
|
6963 * "strridx()" function
|
|
|
6964 */
|
|
|
6965 static void
|
|
|
6966 f_strridx(argvars, retvar)
|
|
|
6967 VAR argvars;
|
|
|
6968 VAR retvar;
|
|
|
6969 {
|
|
|
6970 char_u buf[NUMBUFLEN];
|
|
|
6971 char_u *needle;
|
|
|
6972 char_u *haystack;
|
|
|
6973 char_u *rest;
|
|
|
6974 char_u *lastmatch = NULL;
|
|
|
6975
|
|
|
6976 needle = get_var_string(&argvars[1]);
|
|
|
6977 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
6978 rest = haystack;
|
|
|
6979 while (*haystack != '\0')
|
|
|
6980 {
|
|
|
6981 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
6982 if (rest == NULL)
|
|
|
6983 break;
|
|
|
6984 lastmatch = rest++;
|
|
|
6985 }
|
|
|
6986
|
|
|
6987 if (lastmatch == NULL)
|
|
|
6988 retvar->var_val.var_number = -1;
|
|
|
6989 else
|
|
|
6990 retvar->var_val.var_number = (varnumber_T) (lastmatch - haystack);
|
|
|
6991 }
|
|
|
6992
|
|
|
6993 /*
|
|
|
6994 * "strlen()" function
|
|
|
6995 */
|
|
|
6996 static void
|
|
|
6997 f_strlen(argvars, retvar)
|
|
|
6998 VAR argvars;
|
|
|
6999 VAR retvar;
|
|
|
7000 {
|
|
|
7001 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7002 }
|
|
|
7003
|
|
|
7004 /*
|
|
|
7005 * "strpart()" function
|
|
|
7006 */
|
|
|
7007 static void
|
|
|
7008 f_strpart(argvars, retvar)
|
|
|
7009 VAR argvars;
|
|
|
7010 VAR retvar;
|
|
|
7011 {
|
|
|
7012 char_u *p;
|
|
|
7013 int n;
|
|
|
7014 int len;
|
|
|
7015 int slen;
|
|
|
7016
|
|
|
7017 p = get_var_string(&argvars[0]);
|
|
|
7018 slen = (int)STRLEN(p);
|
|
|
7019
|
|
|
7020 n = get_var_number(&argvars[1]);
|
|
|
7021 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7022 len = get_var_number(&argvars[2]);
|
|
|
7023 else
|
|
|
7024 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7025
|
|
|
7026 /*
|
|
|
7027 * Only return the overlap between the specified part and the actual
|
|
|
7028 * string.
|
|
|
7029 */
|
|
|
7030 if (n < 0)
|
|
|
7031 {
|
|
|
7032 len += n;
|
|
|
7033 n = 0;
|
|
|
7034 }
|
|
|
7035 else if (n > slen)
|
|
|
7036 n = slen;
|
|
|
7037 if (len < 0)
|
|
|
7038 len = 0;
|
|
|
7039 else if (n + len > slen)
|
|
|
7040 len = slen - n;
|
|
|
7041
|
|
|
7042 retvar->var_type = VAR_STRING;
|
|
|
7043 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7044 }
|
|
|
7045
|
|
|
7046 /*
|
|
|
7047 * "strtrans()" function
|
|
|
7048 */
|
|
|
7049 static void
|
|
|
7050 f_strtrans(argvars, retvar)
|
|
|
7051 VAR argvars;
|
|
|
7052 VAR retvar;
|
|
|
7053 {
|
|
|
7054 retvar->var_type = VAR_STRING;
|
|
|
7055 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7056 }
|
|
|
7057
|
|
|
7058 /*
|
|
|
7059 * "synID(line, col, trans)" function
|
|
|
7060 */
|
|
|
7061 /*ARGSUSED*/
|
|
|
7062 static void
|
|
|
7063 f_synID(argvars, retvar)
|
|
|
7064 VAR argvars;
|
|
|
7065 VAR retvar;
|
|
|
7066 {
|
|
|
7067 int id = 0;
|
|
|
7068 #ifdef FEAT_SYN_HL
|
|
|
7069 long line;
|
|
|
7070 long col;
|
|
|
7071 int trans;
|
|
|
7072
|
|
|
7073 line = get_var_lnum(argvars);
|
|
|
7074 col = get_var_number(&argvars[1]) - 1;
|
|
|
7075 trans = get_var_number(&argvars[2]);
|
|
|
7076
|
|
|
7077 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7078 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7079 id = syn_get_id(line, col, trans);
|
|
|
7080 #endif
|
|
|
7081
|
|
|
7082 retvar->var_val.var_number = id;
|
|
|
7083 }
|
|
|
7084
|
|
|
7085 /*
|
|
|
7086 * "synIDattr(id, what [, mode])" function
|
|
|
7087 */
|
|
|
7088 /*ARGSUSED*/
|
|
|
7089 static void
|
|
|
7090 f_synIDattr(argvars, retvar)
|
|
|
7091 VAR argvars;
|
|
|
7092 VAR retvar;
|
|
|
7093 {
|
|
|
7094 char_u *p = NULL;
|
|
|
7095 #ifdef FEAT_SYN_HL
|
|
|
7096 int id;
|
|
|
7097 char_u *what;
|
|
|
7098 char_u *mode;
|
|
|
7099 char_u modebuf[NUMBUFLEN];
|
|
|
7100 int modec;
|
|
|
7101
|
|
|
7102 id = get_var_number(&argvars[0]);
|
|
|
7103 what = get_var_string(&argvars[1]);
|
|
|
7104 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7105 {
|
|
|
7106 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7107 modec = TOLOWER_ASC(mode[0]);
|
|
|
7108 if (modec != 't' && modec != 'c'
|
|
|
7109 #ifdef FEAT_GUI
|
|
|
7110 && modec != 'g'
|
|
|
7111 #endif
|
|
|
7112 )
|
|
|
7113 modec = 0; /* replace invalid with current */
|
|
|
7114 }
|
|
|
7115 else
|
|
|
7116 {
|
|
|
7117 #ifdef FEAT_GUI
|
|
|
7118 if (gui.in_use)
|
|
|
7119 modec = 'g';
|
|
|
7120 else
|
|
|
7121 #endif
|
|
|
7122 if (t_colors > 1)
|
|
|
7123 modec = 'c';
|
|
|
7124 else
|
|
|
7125 modec = 't';
|
|
|
7126 }
|
|
|
7127
|
|
|
7128
|
|
|
7129 switch (TOLOWER_ASC(what[0]))
|
|
|
7130 {
|
|
|
7131 case 'b':
|
|
|
7132 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7133 p = highlight_color(id, what, modec);
|
|
|
7134 else /* bold */
|
|
|
7135 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7136 break;
|
|
|
7137
|
|
|
7138 case 'f': /* fg[#] */
|
|
|
7139 p = highlight_color(id, what, modec);
|
|
|
7140 break;
|
|
|
7141
|
|
|
7142 case 'i':
|
|
|
7143 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7144 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7145 else /* italic */
|
|
|
7146 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7147 break;
|
|
|
7148
|
|
|
7149 case 'n': /* name */
|
|
|
7150 p = get_highlight_name(NULL, id - 1);
|
|
|
7151 break;
|
|
|
7152
|
|
|
7153 case 'r': /* reverse */
|
|
|
7154 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7155 break;
|
|
|
7156
|
|
|
7157 case 's': /* standout */
|
|
|
7158 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7159 break;
|
|
|
7160
|
|
|
7161 case 'u': /* underline */
|
|
|
7162 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7163 break;
|
|
|
7164 }
|
|
|
7165
|
|
|
7166 if (p != NULL)
|
|
|
7167 p = vim_strsave(p);
|
|
|
7168 #endif
|
|
|
7169 retvar->var_type = VAR_STRING;
|
|
|
7170 retvar->var_val.var_string = p;
|
|
|
7171 }
|
|
|
7172
|
|
|
7173 /*
|
|
|
7174 * "synIDtrans(id)" function
|
|
|
7175 */
|
|
|
7176 /*ARGSUSED*/
|
|
|
7177 static void
|
|
|
7178 f_synIDtrans(argvars, retvar)
|
|
|
7179 VAR argvars;
|
|
|
7180 VAR retvar;
|
|
|
7181 {
|
|
|
7182 int id;
|
|
|
7183
|
|
|
7184 #ifdef FEAT_SYN_HL
|
|
|
7185 id = get_var_number(&argvars[0]);
|
|
|
7186
|
|
|
7187 if (id > 0)
|
|
|
7188 id = syn_get_final_id(id);
|
|
|
7189 else
|
|
|
7190 #endif
|
|
|
7191 id = 0;
|
|
|
7192
|
|
|
7193 retvar->var_val.var_number = id;
|
|
|
7194 }
|
|
|
7195
|
|
|
7196 /*
|
|
|
7197 * "system()" function
|
|
|
7198 */
|
|
|
7199 static void
|
|
|
7200 f_system(argvars, retvar)
|
|
|
7201 VAR argvars;
|
|
|
7202 VAR retvar;
|
|
|
7203 {
|
|
|
7204 char_u *p;
|
|
|
7205
|
|
|
7206 p = get_cmd_output(get_var_string(&argvars[0]), SHELL_SILENT);
|
|
|
7207 #ifdef USE_CR
|
|
|
7208 /* translate <CR> into <NL> */
|
|
|
7209 if (p != NULL)
|
|
|
7210 {
|
|
|
7211 char_u *s;
|
|
|
7212
|
|
|
7213 for (s = p; *s; ++s)
|
|
|
7214 {
|
|
|
7215 if (*s == CAR)
|
|
|
7216 *s = NL;
|
|
|
7217 }
|
|
|
7218 }
|
|
|
7219 #else
|
|
|
7220 # ifdef USE_CRNL
|
|
|
7221 /* translate <CR><NL> into <NL> */
|
|
|
7222 if (p != NULL)
|
|
|
7223 {
|
|
|
7224 char_u *s, *d;
|
|
|
7225
|
|
|
7226 d = p;
|
|
|
7227 for (s = p; *s; ++s)
|
|
|
7228 {
|
|
|
7229 if (s[0] == CAR && s[1] == NL)
|
|
|
7230 ++s;
|
|
|
7231 *d++ = *s;
|
|
|
7232 }
|
|
|
7233 *d = NUL;
|
|
|
7234 }
|
|
|
7235 # endif
|
|
|
7236 #endif
|
|
|
7237 retvar->var_type = VAR_STRING;
|
|
|
7238 retvar->var_val.var_string = p;
|
|
|
7239 }
|
|
|
7240
|
|
|
7241 /*
|
|
|
7242 * "submatch()" function
|
|
|
7243 */
|
|
|
7244 static void
|
|
|
7245 f_submatch(argvars, retvar)
|
|
|
7246 VAR argvars;
|
|
|
7247 VAR retvar;
|
|
|
7248 {
|
|
|
7249 retvar->var_type = VAR_STRING;
|
|
|
7250 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7251 }
|
|
|
7252
|
|
|
7253 /*
|
|
|
7254 * "substitute()" function
|
|
|
7255 */
|
|
|
7256 static void
|
|
|
7257 f_substitute(argvars, retvar)
|
|
|
7258 VAR argvars;
|
|
|
7259 VAR retvar;
|
|
|
7260 {
|
|
|
7261 char_u patbuf[NUMBUFLEN];
|
|
|
7262 char_u subbuf[NUMBUFLEN];
|
|
|
7263 char_u flagsbuf[NUMBUFLEN];
|
|
|
7264
|
|
|
7265 retvar->var_type = VAR_STRING;
|
|
|
7266 retvar->var_val.var_string = do_string_sub(
|
|
|
7267 get_var_string(&argvars[0]),
|
|
|
7268 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7269 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7270 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7271 }
|
|
|
7272
|
|
|
7273 /*
|
|
|
7274 * "tempname()" function
|
|
|
7275 */
|
|
|
7276 /*ARGSUSED*/
|
|
|
7277 static void
|
|
|
7278 f_tempname(argvars, retvar)
|
|
|
7279 VAR argvars;
|
|
|
7280 VAR retvar;
|
|
|
7281 {
|
|
|
7282 static int x = 'A';
|
|
|
7283
|
|
|
7284 retvar->var_type = VAR_STRING;
|
|
|
7285 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7286
|
|
|
7287 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7288 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7289 do
|
|
|
7290 {
|
|
|
7291 if (x == 'Z')
|
|
|
7292 x = '0';
|
|
|
7293 else if (x == '9')
|
|
|
7294 x = 'A';
|
|
|
7295 else
|
|
|
7296 {
|
|
|
7297 #ifdef EBCDIC
|
|
|
7298 if (x == 'I')
|
|
|
7299 x = 'J';
|
|
|
7300 else if (x == 'R')
|
|
|
7301 x = 'S';
|
|
|
7302 else
|
|
|
7303 #endif
|
|
|
7304 ++x;
|
|
|
7305 }
|
|
|
7306 } while (x == 'I' || x == 'O');
|
|
|
7307 }
|
|
|
7308
|
|
|
7309 /*
|
|
|
7310 * "tolower(string)" function
|
|
|
7311 */
|
|
|
7312 static void
|
|
|
7313 f_tolower(argvars, retvar)
|
|
|
7314 VAR argvars;
|
|
|
7315 VAR retvar;
|
|
|
7316 {
|
|
|
7317 char_u *p;
|
|
|
7318
|
|
|
7319 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7320 retvar->var_type = VAR_STRING;
|
|
|
7321 retvar->var_val.var_string = p;
|
|
|
7322
|
|
|
7323 if (p != NULL)
|
|
|
7324 while (*p != NUL)
|
|
|
7325 {
|
|
|
7326 #ifdef FEAT_MBYTE
|
|
|
7327 int l;
|
|
|
7328
|
|
|
7329 if (enc_utf8)
|
|
|
7330 {
|
|
|
7331 int c, lc;
|
|
|
7332
|
|
|
7333 c = utf_ptr2char(p);
|
|
|
7334 lc = utf_tolower(c);
|
|
|
7335 l = utf_ptr2len_check(p);
|
|
|
7336 /* TODO: reallocate string when byte count changes. */
|
|
|
7337 if (utf_char2len(lc) == l)
|
|
|
7338 utf_char2bytes(lc, p);
|
|
|
7339 p += l;
|
|
|
7340 }
|
|
|
7341 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7342 p += l; /* skip multi-byte character */
|
|
|
7343 else
|
|
|
7344 #endif
|
|
|
7345 {
|
|
|
7346 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7347 ++p;
|
|
|
7348 }
|
|
|
7349 }
|
|
|
7350 }
|
|
|
7351
|
|
|
7352 /*
|
|
|
7353 * "toupper(string)" function
|
|
|
7354 */
|
|
|
7355 static void
|
|
|
7356 f_toupper(argvars, retvar)
|
|
|
7357 VAR argvars;
|
|
|
7358 VAR retvar;
|
|
|
7359 {
|
|
|
7360 char_u *p;
|
|
|
7361
|
|
|
7362 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7363 retvar->var_type = VAR_STRING;
|
|
|
7364 retvar->var_val.var_string = p;
|
|
|
7365
|
|
|
7366 if (p != NULL)
|
|
|
7367 while (*p != NUL)
|
|
|
7368 {
|
|
|
7369 #ifdef FEAT_MBYTE
|
|
|
7370 int l;
|
|
|
7371
|
|
|
7372 if (enc_utf8)
|
|
|
7373 {
|
|
|
7374 int c, uc;
|
|
|
7375
|
|
|
7376 c = utf_ptr2char(p);
|
|
|
7377 uc = utf_toupper(c);
|
|
|
7378 l = utf_ptr2len_check(p);
|
|
|
7379 /* TODO: reallocate string when byte count changes. */
|
|
|
7380 if (utf_char2len(uc) == l)
|
|
|
7381 utf_char2bytes(uc, p);
|
|
|
7382 p += l;
|
|
|
7383 }
|
|
|
7384 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7385 p += l; /* skip multi-byte character */
|
|
|
7386 else
|
|
|
7387 #endif
|
|
|
7388 {
|
|
|
7389 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7390 p++;
|
|
|
7391 }
|
|
|
7392 }
|
|
|
7393 }
|
|
|
7394
|
|
|
7395 /*
|
|
|
7396 * "type(expr)" function
|
|
|
7397 */
|
|
|
7398 static void
|
|
|
7399 f_type(argvars, retvar)
|
|
|
7400 VAR argvars;
|
|
|
7401 VAR retvar;
|
|
|
7402 {
|
|
|
7403 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
7404 retvar->var_val.var_number = 0;
|
|
|
7405 else
|
|
|
7406 retvar->var_val.var_number = 1;
|
|
|
7407 }
|
|
|
7408
|
|
|
7409 /*
|
|
|
7410 * "virtcol(string)" function
|
|
|
7411 */
|
|
|
7412 static void
|
|
|
7413 f_virtcol(argvars, retvar)
|
|
|
7414 VAR argvars;
|
|
|
7415 VAR retvar;
|
|
|
7416 {
|
|
|
7417 colnr_T vcol = 0;
|
|
|
7418 pos_T *fp;
|
|
|
7419
|
|
|
7420 fp = var2fpos(&argvars[0], FALSE);
|
|
|
7421 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
7422 {
|
|
|
7423 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
7424 ++vcol;
|
|
|
7425 }
|
|
|
7426
|
|
|
7427 retvar->var_val.var_number = vcol;
|
|
|
7428 }
|
|
|
7429
|
|
|
7430 /*
|
|
|
7431 * "visualmode()" function
|
|
|
7432 */
|
|
|
7433 /*ARGSUSED*/
|
|
|
7434 static void
|
|
|
7435 f_visualmode(argvars, retvar)
|
|
|
7436 VAR argvars;
|
|
|
7437 VAR retvar;
|
|
|
7438 {
|
|
|
7439 #ifdef FEAT_VISUAL
|
|
|
7440 char_u str[2];
|
|
|
7441
|
|
|
7442 retvar->var_type = VAR_STRING;
|
|
|
7443 str[0] = curbuf->b_visual_mode_eval;
|
|
|
7444 str[1] = NUL;
|
|
|
7445 retvar->var_val.var_string = vim_strsave(str);
|
|
|
7446
|
|
|
7447 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
7448 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
7449 && argvars[0].var_val.var_number != 0)
|
|
|
7450 || (argvars[0].var_type == VAR_STRING
|
|
|
7451 && *get_var_string(&argvars[0]) != NUL))
|
|
|
7452 curbuf->b_visual_mode_eval = NUL;
|
|
|
7453 #else
|
|
|
7454 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
7455 #endif
|
|
|
7456 }
|
|
|
7457
|
|
|
7458 /*
|
|
|
7459 * "winbufnr(nr)" function
|
|
|
7460 */
|
|
|
7461 static void
|
|
|
7462 f_winbufnr(argvars, retvar)
|
|
|
7463 VAR argvars;
|
|
|
7464 VAR retvar;
|
|
|
7465 {
|
|
|
7466 win_T *wp;
|
|
|
7467
|
|
|
7468 wp = find_win_by_nr(&argvars[0]);
|
|
|
7469 if (wp == NULL)
|
|
|
7470 retvar->var_val.var_number = -1;
|
|
|
7471 else
|
|
|
7472 retvar->var_val.var_number = wp->w_buffer->b_fnum;
|
|
|
7473 }
|
|
|
7474
|
|
|
7475 /*
|
|
|
7476 * "wincol()" function
|
|
|
7477 */
|
|
|
7478 /*ARGSUSED*/
|
|
|
7479 static void
|
|
|
7480 f_wincol(argvars, retvar)
|
|
|
7481 VAR argvars;
|
|
|
7482 VAR retvar;
|
|
|
7483 {
|
|
|
7484 validate_cursor();
|
|
|
7485 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
7486 }
|
|
|
7487
|
|
|
7488 /*
|
|
|
7489 * "winheight(nr)" function
|
|
|
7490 */
|
|
|
7491 static void
|
|
|
7492 f_winheight(argvars, retvar)
|
|
|
7493 VAR argvars;
|
|
|
7494 VAR retvar;
|
|
|
7495 {
|
|
|
7496 win_T *wp;
|
|
|
7497
|
|
|
7498 wp = find_win_by_nr(&argvars[0]);
|
|
|
7499 if (wp == NULL)
|
|
|
7500 retvar->var_val.var_number = -1;
|
|
|
7501 else
|
|
|
7502 retvar->var_val.var_number = wp->w_height;
|
|
|
7503 }
|
|
|
7504
|
|
|
7505 /*
|
|
|
7506 * "winline()" function
|
|
|
7507 */
|
|
|
7508 /*ARGSUSED*/
|
|
|
7509 static void
|
|
|
7510 f_winline(argvars, retvar)
|
|
|
7511 VAR argvars;
|
|
|
7512 VAR retvar;
|
|
|
7513 {
|
|
|
7514 validate_cursor();
|
|
|
7515 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
7516 }
|
|
|
7517
|
|
|
7518 /*
|
|
|
7519 * "winnr()" function
|
|
|
7520 */
|
|
|
7521 /* ARGSUSED */
|
|
|
7522 static void
|
|
|
7523 f_winnr(argvars, retvar)
|
|
|
7524 VAR argvars;
|
|
|
7525 VAR retvar;
|
|
|
7526 {
|
|
|
7527 int nr = 1;
|
|
|
7528 #ifdef FEAT_WINDOWS
|
|
|
7529 win_T *wp;
|
|
|
7530
|
|
|
7531 for (wp = firstwin; wp != curwin; wp = wp->w_next)
|
|
|
7532 ++nr;
|
|
|
7533 #endif
|
|
|
7534 retvar->var_val.var_number = nr;
|
|
|
7535 }
|
|
|
7536
|
|
|
7537 /*
|
|
|
7538 * "winrestcmd()" function
|
|
|
7539 */
|
|
|
7540 /* ARGSUSED */
|
|
|
7541 static void
|
|
|
7542 f_winrestcmd(argvars, retvar)
|
|
|
7543 VAR argvars;
|
|
|
7544 VAR retvar;
|
|
|
7545 {
|
|
|
7546 #ifdef FEAT_WINDOWS
|
|
|
7547 win_T *wp;
|
|
|
7548 int winnr = 1;
|
|
|
7549 garray_T ga;
|
|
|
7550 char_u buf[50];
|
|
|
7551
|
|
|
7552 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
7553 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7554 {
|
|
|
7555 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
7556 ga_concat(&ga, buf);
|
|
|
7557 # ifdef FEAT_VERTSPLIT
|
|
|
7558 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
7559 ga_concat(&ga, buf);
|
|
|
7560 # endif
|
|
|
7561 ++winnr;
|
|
|
7562 }
|
|
|
7563
|
|
|
7564 retvar->var_val.var_string = ga.ga_data;
|
|
|
7565 #else
|
|
|
7566 retvar->var_val.var_string = NULL;
|
|
|
7567 #endif
|
|
|
7568 retvar->var_type = VAR_STRING;
|
|
|
7569 }
|
|
|
7570
|
|
|
7571 /*
|
|
|
7572 * "winwidth(nr)" function
|
|
|
7573 */
|
|
|
7574 static void
|
|
|
7575 f_winwidth(argvars, retvar)
|
|
|
7576 VAR argvars;
|
|
|
7577 VAR retvar;
|
|
|
7578 {
|
|
|
7579 win_T *wp;
|
|
|
7580
|
|
|
7581 wp = find_win_by_nr(&argvars[0]);
|
|
|
7582 if (wp == NULL)
|
|
|
7583 retvar->var_val.var_number = -1;
|
|
|
7584 else
|
|
|
7585 #ifdef FEAT_VERTSPLIT
|
|
|
7586 retvar->var_val.var_number = wp->w_width;
|
|
|
7587 #else
|
|
|
7588 retvar->var_val.var_number = Columns;
|
|
|
7589 #endif
|
|
|
7590 }
|
|
|
7591
|
|
|
7592 static win_T *
|
|
|
7593 find_win_by_nr(vp)
|
|
|
7594 VAR vp;
|
|
|
7595 {
|
|
|
7596 #ifdef FEAT_WINDOWS
|
|
|
7597 win_T *wp;
|
|
|
7598 #endif
|
|
|
7599 int nr;
|
|
|
7600
|
|
|
7601 nr = get_var_number(vp);
|
|
|
7602
|
|
|
7603 #ifdef FEAT_WINDOWS
|
|
|
7604 if (nr == 0)
|
|
|
7605 return curwin;
|
|
|
7606
|
|
|
7607 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7608 if (--nr <= 0)
|
|
|
7609 break;
|
|
|
7610 return wp;
|
|
|
7611 #else
|
|
|
7612 if (nr == 0 || nr == 1)
|
|
|
7613 return curwin;
|
|
|
7614 return NULL;
|
|
|
7615 #endif
|
|
|
7616 }
|
|
|
7617
|
|
|
7618 /*
|
|
|
7619 * Translate a String variable into a position.
|
|
|
7620 */
|
|
|
7621 static pos_T *
|
|
|
7622 var2fpos(varp, lnum)
|
|
|
7623 VAR varp;
|
|
|
7624 int lnum; /* TRUE when $ is last line */
|
|
|
7625 {
|
|
|
7626 char_u *name;
|
|
|
7627 static pos_T pos;
|
|
|
7628 pos_T *pp;
|
|
|
7629
|
|
|
7630 name = get_var_string(varp);
|
|
|
7631 if (name[0] == '.') /* cursor */
|
|
|
7632 return &curwin->w_cursor;
|
|
|
7633 if (name[0] == '\'') /* mark */
|
|
|
7634 {
|
|
|
7635 pp = getmark(name[1], FALSE);
|
|
|
7636 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
7637 return NULL;
|
|
|
7638 return pp;
|
|
|
7639 }
|
|
|
7640 if (name[0] == '$') /* last column or line */
|
|
|
7641 {
|
|
|
7642 if (lnum)
|
|
|
7643 {
|
|
|
7644 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
7645 pos.col = 0;
|
|
|
7646 }
|
|
|
7647 else
|
|
|
7648 {
|
|
|
7649 pos.lnum = curwin->w_cursor.lnum;
|
|
|
7650 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
7651 }
|
|
|
7652 return &pos;
|
|
|
7653 }
|
|
|
7654 return NULL;
|
|
|
7655 }
|
|
|
7656
|
|
|
7657 /*
|
|
|
7658 * Get the length of an environment variable name.
|
|
|
7659 * Advance "arg" to the first character after the name.
|
|
|
7660 * Return 0 for error.
|
|
|
7661 */
|
|
|
7662 static int
|
|
|
7663 get_env_len(arg)
|
|
|
7664 char_u **arg;
|
|
|
7665 {
|
|
|
7666 char_u *p;
|
|
|
7667 int len;
|
|
|
7668
|
|
|
7669 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
7670 ;
|
|
|
7671 if (p == *arg) /* no name found */
|
|
|
7672 return 0;
|
|
|
7673
|
|
|
7674 len = (int)(p - *arg);
|
|
|
7675 *arg = p;
|
|
|
7676 return len;
|
|
|
7677 }
|
|
|
7678
|
|
|
7679 /*
|
|
|
7680 * Get the length of the name of a function or internal variable.
|
|
|
7681 * "arg" is advanced to the first non-white character after the name.
|
|
|
7682 * Return 0 if something is wrong.
|
|
|
7683 */
|
|
|
7684 static int
|
|
|
7685 get_id_len(arg)
|
|
|
7686 char_u **arg;
|
|
|
7687 {
|
|
|
7688 char_u *p;
|
|
|
7689 int len;
|
|
|
7690
|
|
|
7691 /* Find the end of the name. */
|
|
|
7692 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
7693 ;
|
|
|
7694 if (p == *arg) /* no name found */
|
|
|
7695 return 0;
|
|
|
7696
|
|
|
7697 len = (int)(p - *arg);
|
|
|
7698 *arg = skipwhite(p);
|
|
|
7699
|
|
|
7700 return len;
|
|
|
7701 }
|
|
|
7702
|
|
|
7703 /*
|
|
|
7704 * Get the length of the name of a function.
|
|
|
7705 * "arg" is advanced to the first non-white character after the name.
|
|
|
7706 * Return 0 if something is wrong.
|
|
|
7707 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
7708 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
7709 */
|
|
|
7710 static int
|
|
|
7711 get_func_len(arg, alias, evaluate)
|
|
|
7712 char_u **arg;
|
|
|
7713 char_u **alias;
|
|
|
7714 int evaluate;
|
|
|
7715 {
|
|
|
7716 int len;
|
|
|
7717 #ifdef FEAT_MAGIC_BRACES
|
|
|
7718 char_u *p;
|
|
|
7719 char_u *expr_start;
|
|
|
7720 char_u *expr_end;
|
|
|
7721 #endif
|
|
|
7722
|
|
|
7723 *alias = NULL; /* default to no alias */
|
|
|
7724
|
|
|
7725 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
7726 && (*arg)[2] == (int)KE_SNR)
|
|
|
7727 {
|
|
|
7728 /* hard coded <SNR>, already translated */
|
|
|
7729 *arg += 3;
|
|
|
7730 return get_id_len(arg) + 3;
|
|
|
7731 }
|
|
|
7732 len = eval_fname_script(*arg);
|
|
|
7733 if (len > 0)
|
|
|
7734 {
|
|
|
7735 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
7736 *arg += len;
|
|
|
7737 }
|
|
|
7738
|
|
|
7739 #ifdef FEAT_MAGIC_BRACES
|
|
|
7740 /*
|
|
|
7741 * Find the end of the name;
|
|
|
7742 */
|
|
|
7743 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
7744 /* check for {} construction */
|
|
|
7745 if (expr_start != NULL)
|
|
|
7746 {
|
|
|
7747 char_u *temp_string;
|
|
|
7748
|
|
|
7749 if (!evaluate)
|
|
|
7750 {
|
|
|
7751 len += (int)(p - *arg);
|
|
|
7752 *arg = skipwhite(p);
|
|
|
7753 return len;
|
|
|
7754 }
|
|
|
7755
|
|
|
7756 /*
|
|
|
7757 * Include any <SID> etc in the expanded string:
|
|
|
7758 * Thus the -len here.
|
|
|
7759 */
|
|
|
7760 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
7761 if (temp_string == NULL)
|
|
|
7762 return 0;
|
|
|
7763 *alias = temp_string;
|
|
|
7764 *arg = skipwhite(p);
|
|
|
7765 return (int)STRLEN(temp_string);
|
|
|
7766 }
|
|
|
7767 #endif
|
|
|
7768
|
|
|
7769 len += get_id_len(arg);
|
|
|
7770 if (len == 0)
|
|
|
7771 EMSG2(_(e_invexpr2), *arg);
|
|
|
7772
|
|
|
7773 return len;
|
|
|
7774 }
|
|
|
7775
|
|
|
7776 static char_u *
|
|
|
7777 find_name_end(arg, expr_start, expr_end)
|
|
|
7778 char_u *arg;
|
|
|
7779 char_u **expr_start;
|
|
|
7780 char_u **expr_end;
|
|
|
7781 {
|
|
|
7782 int nesting = 0;
|
|
|
7783 char_u *p;
|
|
|
7784
|
|
|
7785 *expr_start = NULL;
|
|
|
7786 *expr_end = NULL;
|
|
|
7787
|
|
|
7788 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
7789 {
|
|
|
7790 #ifdef FEAT_MAGIC_BRACES
|
|
|
7791 if (*p == '{')
|
|
|
7792 {
|
|
|
7793 nesting++;
|
|
|
7794 if (*expr_start == NULL)
|
|
|
7795 *expr_start = p;
|
|
|
7796 }
|
|
|
7797 else if (*p == '}')
|
|
|
7798 {
|
|
|
7799 nesting--;
|
|
|
7800 if (nesting == 0 && *expr_end == NULL)
|
|
|
7801 *expr_end = p;
|
|
|
7802 }
|
|
|
7803 #endif
|
|
|
7804 }
|
|
|
7805
|
|
|
7806 return p;
|
|
|
7807 }
|
|
|
7808
|
|
|
7809 /*
|
|
|
7810 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
7811 */
|
|
|
7812 static int
|
|
|
7813 eval_isnamec(c)
|
|
|
7814 int c;
|
|
|
7815 {
|
|
|
7816 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
7817 #ifdef FEAT_MAGIC_BRACES
|
|
|
7818 || c == '{' || c == '}'
|
|
|
7819 #endif
|
|
|
7820 );
|
|
|
7821 }
|
|
|
7822
|
|
|
7823 /*
|
|
|
7824 * Find a v: variable.
|
|
|
7825 * Return it's index, or -1 if not found.
|
|
|
7826 */
|
|
|
7827 static int
|
|
|
7828 find_vim_var(name, len)
|
|
|
7829 char_u *name;
|
|
|
7830 int len; /* length of "name" */
|
|
|
7831 {
|
|
|
7832 char_u *vname;
|
|
|
7833 int vlen;
|
|
|
7834 int i;
|
|
|
7835
|
|
|
7836 /*
|
|
|
7837 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
7838 */
|
|
|
7839 if (name[0] == 'v' && name[1] == ':')
|
|
|
7840 {
|
|
|
7841 vname = name + 2;
|
|
|
7842 vlen = len - 2;
|
|
|
7843 }
|
|
|
7844 else
|
|
|
7845 {
|
|
|
7846 vname = name;
|
|
|
7847 vlen = len;
|
|
|
7848 }
|
|
|
7849 for (i = 0; i < VV_LEN; ++i)
|
|
|
7850 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
7851 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
7852 return i;
|
|
|
7853 return -1;
|
|
|
7854 }
|
|
|
7855
|
|
|
7856 /*
|
|
|
7857 * Set number v: variable to "val".
|
|
|
7858 */
|
|
|
7859 void
|
|
|
7860 set_vim_var_nr(idx, val)
|
|
|
7861 int idx;
|
|
|
7862 long val;
|
|
|
7863 {
|
|
|
7864 vimvars[idx].val = (char_u *)val;
|
|
|
7865 }
|
|
|
7866
|
|
|
7867 /*
|
|
|
7868 * Get number v: variable value;
|
|
|
7869 */
|
|
|
7870 long
|
|
|
7871 get_vim_var_nr(idx)
|
|
|
7872 int idx;
|
|
|
7873 {
|
|
|
7874 return (long)vimvars[idx].val;
|
|
|
7875 }
|
|
|
7876
|
|
|
7877 /*
|
|
|
7878 * Set v:count, v:count1 and v:prevcount.
|
|
|
7879 */
|
|
|
7880 void
|
|
|
7881 set_vcount(count, count1)
|
|
|
7882 long count;
|
|
|
7883 long count1;
|
|
|
7884 {
|
|
|
7885 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
7886 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
7887 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
7888 }
|
|
|
7889
|
|
|
7890 /*
|
|
|
7891 * Set string v: variable to a copy of "val".
|
|
|
7892 */
|
|
|
7893 void
|
|
|
7894 set_vim_var_string(idx, val, len)
|
|
|
7895 int idx;
|
|
|
7896 char_u *val;
|
|
|
7897 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
7898 {
|
|
|
7899 vim_free(vimvars[idx].val);
|
|
|
7900 if (val == NULL)
|
|
|
7901 vimvars[idx].val = NULL;
|
|
|
7902 else if (len == -1)
|
|
|
7903 vimvars[idx].val = vim_strsave(val);
|
|
|
7904 else
|
|
|
7905 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
7906 }
|
|
|
7907
|
|
|
7908 /*
|
|
|
7909 * Set v:register if needed.
|
|
|
7910 */
|
|
|
7911 void
|
|
|
7912 set_reg_var(c)
|
|
|
7913 int c;
|
|
|
7914 {
|
|
|
7915 char_u regname;
|
|
|
7916
|
|
|
7917 if (c == 0 || c == ' ')
|
|
|
7918 regname = '"';
|
|
|
7919 else
|
|
|
7920 regname = c;
|
|
|
7921 /* Avoid free/alloc when the value is already right. */
|
|
|
7922 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
7923 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
7924 }
|
|
|
7925
|
|
|
7926 /*
|
|
|
7927 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
7928 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7929 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
7930 * take care of memory allocations.
|
|
|
7931 */
|
|
|
7932 char_u *
|
|
|
7933 v_exception(oldval)
|
|
|
7934 char_u *oldval;
|
|
|
7935 {
|
|
|
7936 if (oldval == NULL)
|
|
|
7937 return vimvars[VV_EXCEPTION].val;
|
|
|
7938
|
|
|
7939 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
7940 return NULL;
|
|
|
7941 }
|
|
|
7942
|
|
|
7943 /*
|
|
|
7944 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
7945 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7946 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
7947 * take care of memory allocations.
|
|
|
7948 */
|
|
|
7949 char_u *
|
|
|
7950 v_throwpoint(oldval)
|
|
|
7951 char_u *oldval;
|
|
|
7952 {
|
|
|
7953 if (oldval == NULL)
|
|
|
7954 return vimvars[VV_THROWPOINT].val;
|
|
|
7955
|
|
|
7956 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
7957 return NULL;
|
|
|
7958 }
|
|
|
7959
|
|
|
7960 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
7961 /*
|
|
|
7962 * Set v:cmdarg.
|
|
|
7963 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
7964 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
7965 * Must always be called in pairs!
|
|
|
7966 */
|
|
|
7967 char_u *
|
|
|
7968 set_cmdarg(eap, oldarg)
|
|
|
7969 exarg_T *eap;
|
|
|
7970 char_u *oldarg;
|
|
|
7971 {
|
|
|
7972 char_u *oldval;
|
|
|
7973 char_u *newval;
|
|
|
7974 unsigned len;
|
|
|
7975
|
|
|
7976 oldval = vimvars[VV_CMDARG].val;
|
|
|
7977 if (eap != NULL)
|
|
|
7978 {
|
|
|
7979 if (eap->force_bin == FORCE_BIN)
|
|
|
7980 len = 6;
|
|
|
7981 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
7982 len = 8;
|
|
|
7983 else
|
|
|
7984 len = 0;
|
|
|
7985 if (eap->force_ff != 0)
|
|
|
7986 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
|
7987 # ifdef FEAT_MBYTE
|
|
|
7988 if (eap->force_enc != 0)
|
|
|
7989 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
|
7990 # endif
|
|
|
7991
|
|
|
7992 newval = alloc(len + 1);
|
|
|
7993 if (newval == NULL)
|
|
|
7994 return NULL;
|
|
|
7995
|
|
|
7996 if (eap->force_bin == FORCE_BIN)
|
|
|
7997 sprintf((char *)newval, " ++bin");
|
|
|
7998 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
7999 sprintf((char *)newval, " ++nobin");
|
|
|
8000 else
|
|
|
8001 *newval = NUL;
|
|
|
8002 if (eap->force_ff != 0)
|
|
|
8003 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8004 eap->cmd + eap->force_ff);
|
|
|
8005 # ifdef FEAT_MBYTE
|
|
|
8006 if (eap->force_enc != 0)
|
|
|
8007 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8008 eap->cmd + eap->force_enc);
|
|
|
8009 # endif
|
|
|
8010 vimvars[VV_CMDARG].val = newval;
|
|
|
8011 return oldval;
|
|
|
8012 }
|
|
|
8013
|
|
|
8014 vim_free(oldval);
|
|
|
8015 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8016 return NULL;
|
|
|
8017 }
|
|
|
8018 #endif
|
|
|
8019
|
|
|
8020 /*
|
|
|
8021 * Get the value of internal variable "name".
|
|
|
8022 * Return OK or FAIL.
|
|
|
8023 */
|
|
|
8024 static int
|
|
|
8025 get_var_var(name, len, retvar)
|
|
|
8026 char_u *name;
|
|
|
8027 int len; /* length of "name" */
|
|
|
8028 VAR retvar; /* NULL when only checking existence */
|
|
|
8029 {
|
|
|
8030 int ret = OK;
|
|
|
8031 int type = VAR_UNKNOWN;
|
|
|
8032 long number = 1;
|
|
|
8033 char_u *string = NULL;
|
|
|
8034 VAR v;
|
|
|
8035 int cc;
|
|
|
8036 int i;
|
|
|
8037
|
|
|
8038 /* truncate the name, so that we can use strcmp() */
|
|
|
8039 cc = name[len];
|
|
|
8040 name[len] = NUL;
|
|
|
8041
|
|
|
8042 /*
|
|
|
8043 * Check for "b:changedtick".
|
|
|
8044 */
|
|
|
8045 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8046 {
|
|
|
8047 type = VAR_NUMBER;
|
|
|
8048 number = curbuf->b_changedtick;
|
|
|
8049 }
|
|
|
8050
|
|
|
8051 /*
|
|
|
8052 * Check for built-in v: variables.
|
|
|
8053 */
|
|
|
8054 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8055 {
|
|
|
8056 type = vimvars[i].type;
|
|
|
8057 number = (long)vimvars[i].val;
|
|
|
8058 string = vimvars[i].val;
|
|
|
8059 }
|
|
|
8060
|
|
|
8061 /*
|
|
|
8062 * Check for user-defined variables.
|
|
|
8063 */
|
|
|
8064 else
|
|
|
8065 {
|
|
|
8066 v = find_var(name, FALSE);
|
|
|
8067 if (v != NULL)
|
|
|
8068 {
|
|
|
8069 type = v->var_type;
|
|
|
8070 number = v->var_val.var_number;
|
|
|
8071 string = v->var_val.var_string;
|
|
|
8072 }
|
|
|
8073 }
|
|
|
8074
|
|
|
8075 if (type == VAR_UNKNOWN)
|
|
|
8076 {
|
|
|
8077 if (retvar != NULL)
|
|
|
8078 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8079 ret = FAIL;
|
|
|
8080 }
|
|
|
8081 else if (retvar != NULL)
|
|
|
8082 {
|
|
|
8083 retvar->var_type = type;
|
|
|
8084 if (type == VAR_NUMBER)
|
|
|
8085 retvar->var_val.var_number = number;
|
|
|
8086 else if (type == VAR_STRING)
|
|
|
8087 {
|
|
|
8088 if (string != NULL)
|
|
|
8089 string = vim_strsave(string);
|
|
|
8090 retvar->var_val.var_string = string;
|
|
|
8091 }
|
|
|
8092 }
|
|
|
8093
|
|
|
8094 name[len] = cc;
|
|
|
8095
|
|
|
8096 return ret;
|
|
|
8097 }
|
|
|
8098
|
|
|
8099 /*
|
|
|
8100 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8101 */
|
|
|
8102 static VAR
|
|
|
8103 alloc_var()
|
|
|
8104 {
|
|
|
8105 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8106 }
|
|
|
8107
|
|
|
8108 /*
|
|
|
8109 * Allocate memory for a variable, and assign a string to it.
|
|
|
8110 * The string "s" must have been allocated, it is consumed.
|
|
|
8111 * Return NULL for out of memory, the variable otherwise.
|
|
|
8112 */
|
|
|
8113 static VAR
|
|
|
8114 alloc_string_var(s)
|
|
|
8115 char_u *s;
|
|
|
8116 {
|
|
|
8117 VAR retvar;
|
|
|
8118
|
|
|
8119 retvar = alloc_var();
|
|
|
8120 if (retvar != NULL)
|
|
|
8121 {
|
|
|
8122 retvar->var_type = VAR_STRING;
|
|
|
8123 retvar->var_val.var_string = s;
|
|
|
8124 }
|
|
|
8125 else
|
|
|
8126 vim_free(s);
|
|
|
8127 return retvar;
|
|
|
8128 }
|
|
|
8129
|
|
|
8130 /*
|
|
|
8131 * Free the memory for a variable.
|
|
|
8132 */
|
|
|
8133 static void
|
|
|
8134 free_var(varp)
|
|
|
8135 VAR varp;
|
|
|
8136 {
|
|
|
8137 if (varp != NULL)
|
|
|
8138 {
|
|
|
8139 if (varp->var_type == VAR_STRING)
|
|
|
8140 vim_free(varp->var_val.var_string);
|
|
|
8141 vim_free(varp->var_name);
|
|
|
8142 vim_free(varp);
|
|
|
8143 }
|
|
|
8144 }
|
|
|
8145
|
|
|
8146 /*
|
|
|
8147 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8148 */
|
|
|
8149 static void
|
|
|
8150 clear_var(varp)
|
|
|
8151 VAR varp;
|
|
|
8152 {
|
|
|
8153 if (varp != NULL)
|
|
|
8154 {
|
|
|
8155 if (varp->var_type == VAR_STRING)
|
|
|
8156 {
|
|
|
8157 vim_free(varp->var_val.var_string);
|
|
|
8158 varp->var_val.var_string = NULL;
|
|
|
8159 }
|
|
|
8160 else
|
|
|
8161 varp->var_val.var_number = 0;
|
|
|
8162 }
|
|
|
8163 }
|
|
|
8164
|
|
|
8165 /*
|
|
|
8166 * Get the number value of a variable.
|
|
|
8167 * If it is a String variable, uses vim_str2nr().
|
|
|
8168 */
|
|
|
8169 static long
|
|
|
8170 get_var_number(varp)
|
|
|
8171 VAR varp;
|
|
|
8172 {
|
|
|
8173 long n;
|
|
|
8174
|
|
|
8175 if (varp->var_type == VAR_NUMBER)
|
|
|
8176 return (long)(varp->var_val.var_number);
|
|
|
8177 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8178 return 0L;
|
|
|
8179 else
|
|
|
8180 {
|
|
|
8181 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8182 return n;
|
|
|
8183 }
|
|
|
8184 }
|
|
|
8185
|
|
|
8186 /*
|
|
|
8187 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8188 */
|
|
|
8189 static linenr_T
|
|
|
8190 get_var_lnum(argvars)
|
|
|
8191 VAR argvars;
|
|
|
8192 {
|
|
|
8193 var retvar;
|
|
|
8194 linenr_T lnum;
|
|
|
8195
|
|
|
8196 lnum = get_var_number(&argvars[0]);
|
|
|
8197 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8198 {
|
|
|
8199 retvar.var_type = VAR_NUMBER;
|
|
|
8200 f_line(argvars, &retvar);
|
|
|
8201 lnum = retvar.var_val.var_number;
|
|
|
8202 clear_var(&retvar);
|
|
|
8203 }
|
|
|
8204 return lnum;
|
|
|
8205 }
|
|
|
8206
|
|
|
8207 /*
|
|
|
8208 * Get the string value of a variable.
|
|
|
8209 * If it is a Number variable, the number is converted into a string.
|
|
|
8210 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8211 * get_var_string_buf() uses a given buffer.
|
|
|
8212 * If the String variable has never been set, return an empty string.
|
|
|
8213 * Never returns NULL;
|
|
|
8214 */
|
|
|
8215 static char_u *
|
|
|
8216 get_var_string(varp)
|
|
|
8217 VAR varp;
|
|
|
8218 {
|
|
|
8219 static char_u mybuf[NUMBUFLEN];
|
|
|
8220
|
|
|
8221 return get_var_string_buf(varp, mybuf);
|
|
|
8222 }
|
|
|
8223
|
|
|
8224 static char_u *
|
|
|
8225 get_var_string_buf(varp, buf)
|
|
|
8226 VAR varp;
|
|
|
8227 char_u *buf;
|
|
|
8228 {
|
|
|
8229 if (varp->var_type == VAR_NUMBER)
|
|
|
8230 {
|
|
|
8231 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8232 return buf;
|
|
|
8233 }
|
|
|
8234 else if (varp->var_val.var_string == NULL)
|
|
|
8235 return (char_u *)"";
|
|
|
8236 else
|
|
|
8237 return varp->var_val.var_string;
|
|
|
8238 }
|
|
|
8239
|
|
|
8240 /*
|
|
|
8241 * Find variable "name" in the list of variables.
|
|
|
8242 * Return a pointer to it if found, NULL if not found.
|
|
|
8243 */
|
|
|
8244 static VAR
|
|
|
8245 find_var(name, writing)
|
|
|
8246 char_u *name;
|
|
|
8247 int writing;
|
|
|
8248 {
|
|
|
8249 int i;
|
|
|
8250 char_u *varname;
|
|
|
8251 garray_T *gap;
|
|
|
8252
|
|
|
8253 /* Check for function arguments "a:" */
|
|
|
8254 if (name[0] == 'a' && name[1] == ':')
|
|
|
8255 {
|
|
|
8256 if (writing)
|
|
|
8257 {
|
|
|
8258 EMSG2(_(e_readonlyvar), name);
|
|
|
8259 return NULL;
|
|
|
8260 }
|
|
|
8261 name += 2;
|
|
|
8262 if (current_funccal == NULL)
|
|
|
8263 return NULL;
|
|
|
8264 if (VIM_ISDIGIT(*name))
|
|
|
8265 {
|
|
|
8266 i = atol((char *)name);
|
|
|
8267 if (i == 0) /* a:0 */
|
|
|
8268 return ¤t_funccal->a0_var;
|
|
|
8269 i += current_funccal->func->args.ga_len;
|
|
|
8270 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8271 return NULL;
|
|
|
8272 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8273 }
|
|
|
8274 if (STRCMP(name, "firstline") == 0)
|
|
|
8275 return &(current_funccal->firstline);
|
|
|
8276 if (STRCMP(name, "lastline") == 0)
|
|
|
8277 return &(current_funccal->lastline);
|
|
|
8278 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8279 if (STRCMP(name, ((char_u **)
|
|
|
8280 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8281 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8282 return NULL;
|
|
|
8283 }
|
|
|
8284
|
|
|
8285 gap = find_var_ga(name, &varname);
|
|
|
8286 if (gap == NULL)
|
|
|
8287 return NULL;
|
|
|
8288 return find_var_in_ga(gap, varname);
|
|
|
8289 }
|
|
|
8290
|
|
|
8291 static VAR
|
|
|
8292 find_var_in_ga(gap, varname)
|
|
|
8293 garray_T *gap;
|
|
|
8294 char_u *varname;
|
|
|
8295 {
|
|
|
8296 int i;
|
|
|
8297
|
|
|
8298 for (i = gap->ga_len; --i >= 0; )
|
|
|
8299 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8300 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8301 break;
|
|
|
8302 if (i < 0)
|
|
|
8303 return NULL;
|
|
|
8304 return &VAR_GAP_ENTRY(i, gap);
|
|
|
8305 }
|
|
|
8306
|
|
|
8307 /*
|
|
|
8308 * Find the growarray and start of name without ':' for a variable name.
|
|
|
8309 */
|
|
|
8310 static garray_T *
|
|
|
8311 find_var_ga(name, varname)
|
|
|
8312 char_u *name;
|
|
|
8313 char_u **varname;
|
|
|
8314 {
|
|
|
8315 if (name[1] != ':')
|
|
|
8316 {
|
|
|
8317 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
8318 if (vim_strchr(name, ':') != NULL)
|
|
|
8319 return NULL;
|
|
|
8320 *varname = name;
|
|
|
8321 if (current_funccal == NULL)
|
|
|
8322 return &variables; /* global variable */
|
|
|
8323 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
8324 }
|
|
|
8325 *varname = name + 2;
|
|
|
8326 if (*name == 'b') /* buffer variable */
|
|
|
8327 return &curbuf->b_vars;
|
|
|
8328 if (*name == 'w') /* window variable */
|
|
|
8329 return &curwin->w_vars;
|
|
|
8330 if (*name == 'g') /* global variable */
|
|
|
8331 return &variables;
|
|
|
8332 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
8333 return ¤t_funccal->l_vars;
|
|
|
8334 if (*name == 's' /* script variable */
|
|
|
8335 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
8336 return &SCRIPT_VARS(current_SID);
|
|
|
8337 return NULL;
|
|
|
8338 }
|
|
|
8339
|
|
|
8340 /*
|
|
|
8341 * Get the string value of a (global/local) variable.
|
|
|
8342 * Returns NULL when it doesn't exist.
|
|
|
8343 */
|
|
|
8344 char_u *
|
|
|
8345 get_var_value(name)
|
|
|
8346 char_u *name;
|
|
|
8347 {
|
|
|
8348 VAR v;
|
|
|
8349
|
|
|
8350 v = find_var(name, FALSE);
|
|
|
8351 if (v == NULL)
|
|
|
8352 return NULL;
|
|
|
8353 return get_var_string(v);
|
|
|
8354 }
|
|
|
8355
|
|
|
8356 /*
|
|
|
8357 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
8358 * sourcing this script and when executing functions defined in the script.
|
|
|
8359 */
|
|
|
8360 void
|
|
|
8361 new_script_vars(id)
|
|
|
8362 scid_T id;
|
|
|
8363 {
|
|
|
8364 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
8365 {
|
|
|
8366 while (ga_scripts.ga_len < id)
|
|
|
8367 {
|
|
|
8368 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
8369 ++ga_scripts.ga_len;
|
|
|
8370 --ga_scripts.ga_room;
|
|
|
8371 }
|
|
|
8372 }
|
|
|
8373 }
|
|
|
8374
|
|
|
8375 /*
|
|
|
8376 * Initialize internal variables for use.
|
|
|
8377 */
|
|
|
8378 void
|
|
|
8379 var_init(gap)
|
|
|
8380 garray_T *gap;
|
|
|
8381 {
|
|
|
8382 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
8383 }
|
|
|
8384
|
|
|
8385 /*
|
|
|
8386 * Clean up a list of internal variables.
|
|
|
8387 */
|
|
|
8388 void
|
|
|
8389 var_clear(gap)
|
|
|
8390 garray_T *gap;
|
|
|
8391 {
|
|
|
8392 int i;
|
|
|
8393
|
|
|
8394 for (i = gap->ga_len; --i >= 0; )
|
|
|
8395 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
8396 ga_clear(gap);
|
|
|
8397 }
|
|
|
8398
|
|
|
8399 static void
|
|
|
8400 var_free_one(v)
|
|
|
8401 VAR v;
|
|
|
8402 {
|
|
|
8403 vim_free(v->var_name);
|
|
|
8404 v->var_name = NULL;
|
|
|
8405 if (v->var_type == VAR_STRING)
|
|
|
8406 vim_free(v->var_val.var_string);
|
|
|
8407 v->var_val.var_string = NULL;
|
|
|
8408 }
|
|
|
8409
|
|
|
8410 /*
|
|
|
8411 * List the value of one internal variable.
|
|
|
8412 */
|
|
|
8413 static void
|
|
|
8414 list_one_var(v, prefix)
|
|
|
8415 VAR v;
|
|
|
8416 char_u *prefix;
|
|
|
8417 {
|
|
|
8418 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
8419 }
|
|
|
8420
|
|
|
8421 /*
|
|
|
8422 * List the value of one "v:" variable.
|
|
|
8423 */
|
|
|
8424 static void
|
|
|
8425 list_vim_var(i)
|
|
|
8426 int i; /* index in vimvars[] */
|
|
|
8427 {
|
|
|
8428 char_u *p;
|
|
|
8429 char_u numbuf[NUMBUFLEN];
|
|
|
8430
|
|
|
8431 if (vimvars[i].type == VAR_NUMBER)
|
|
|
8432 {
|
|
|
8433 p = numbuf;
|
|
|
8434 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
8435 }
|
|
|
8436 else if (vimvars[i].val == NULL)
|
|
|
8437 p = (char_u *)"";
|
|
|
8438 else
|
|
|
8439 p = vimvars[i].val;
|
|
|
8440 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
8441 vimvars[i].type, p);
|
|
|
8442 }
|
|
|
8443
|
|
|
8444 static void
|
|
|
8445 list_one_var_a(prefix, name, type, string)
|
|
|
8446 char_u *prefix;
|
|
|
8447 char_u *name;
|
|
|
8448 int type;
|
|
|
8449 char_u *string;
|
|
|
8450 {
|
|
|
8451 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
8452 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
8453 msg_puts(name);
|
|
|
8454 msg_putchar(' ');
|
|
|
8455 msg_advance(22);
|
|
|
8456 if (type == VAR_NUMBER)
|
|
|
8457 msg_putchar('#');
|
|
|
8458 else
|
|
|
8459 msg_putchar(' ');
|
|
|
8460 msg_outtrans(string);
|
|
|
8461 }
|
|
|
8462
|
|
|
8463 /*
|
|
|
8464 * Set variable "name" to value in "varp".
|
|
|
8465 * If the variable already exists, the value is updated.
|
|
|
8466 * Otherwise the variable is created.
|
|
|
8467 */
|
|
|
8468 static void
|
|
|
8469 set_var(name, varp)
|
|
|
8470 char_u *name;
|
|
|
8471 VAR varp;
|
|
|
8472 {
|
|
|
8473 int i;
|
|
|
8474 VAR v;
|
|
|
8475 char_u *varname;
|
|
|
8476 garray_T *gap;
|
|
|
8477
|
|
|
8478 /*
|
|
|
8479 * Handle setting internal v: variables.
|
|
|
8480 */
|
|
|
8481 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
8482 if (i >= 0)
|
|
|
8483 {
|
|
|
8484 if (vimvars[i].flags & VV_RO)
|
|
|
8485 EMSG2(_(e_readonlyvar), name);
|
|
|
8486 else
|
|
|
8487 {
|
|
|
8488 if (vimvars[i].type == VAR_STRING)
|
|
|
8489 {
|
|
|
8490 vim_free(vimvars[i].val);
|
|
|
8491 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
8492 }
|
|
|
8493 else
|
|
|
8494 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
8495 }
|
|
|
8496 return;
|
|
|
8497 }
|
|
|
8498
|
|
|
8499 v = find_var(name, TRUE);
|
|
|
8500 if (v != NULL) /* existing variable, only need to free string */
|
|
|
8501 {
|
|
|
8502 if (v->var_type == VAR_STRING)
|
|
|
8503 vim_free(v->var_val.var_string);
|
|
|
8504 }
|
|
|
8505 else /* add a new variable */
|
|
|
8506 {
|
|
|
8507 gap = find_var_ga(name, &varname);
|
|
|
8508 if (gap == NULL) /* illegal name */
|
|
|
8509 {
|
|
|
8510 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
8511 return;
|
|
|
8512 }
|
|
|
8513
|
|
|
8514 /* Try to use an empty entry */
|
|
|
8515 for (i = gap->ga_len; --i >= 0; )
|
|
|
8516 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
8517 break;
|
|
|
8518 if (i < 0) /* need to allocate more room */
|
|
|
8519 {
|
|
|
8520 if (ga_grow(gap, 1) == FAIL)
|
|
|
8521 return;
|
|
|
8522 i = gap->ga_len;
|
|
|
8523 }
|
|
|
8524 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
8525 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
8526 return;
|
|
|
8527 if (i == gap->ga_len)
|
|
|
8528 {
|
|
|
8529 ++gap->ga_len;
|
|
|
8530 --gap->ga_room;
|
|
|
8531 }
|
|
|
8532 }
|
|
|
8533 copy_var(varp, v);
|
|
|
8534 }
|
|
|
8535
|
|
|
8536 static void
|
|
|
8537 copy_var(from, to)
|
|
|
8538 VAR from;
|
|
|
8539 VAR to;
|
|
|
8540 {
|
|
|
8541 to->var_type = from->var_type;
|
|
|
8542 if (from->var_type == VAR_STRING)
|
|
|
8543 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
8544 else
|
|
|
8545 to->var_val.var_number = from->var_val.var_number;
|
|
|
8546 }
|
|
|
8547
|
|
|
8548 /*
|
|
|
8549 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
8550 * newline at the end.
|
|
|
8551 * ":echon expr1 ..." print each argument plain.
|
|
|
8552 */
|
|
|
8553 void
|
|
|
8554 ex_echo(eap)
|
|
|
8555 exarg_T *eap;
|
|
|
8556 {
|
|
|
8557 char_u *arg = eap->arg;
|
|
|
8558 var retvar;
|
|
|
8559 char_u *p;
|
|
|
8560 int needclr = TRUE;
|
|
|
8561 int atstart = TRUE;
|
|
|
8562
|
|
|
8563 if (eap->skip)
|
|
|
8564 ++emsg_skip;
|
|
|
8565 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
8566 {
|
|
|
8567 p = arg;
|
|
|
8568 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8569 {
|
|
|
8570 /*
|
|
|
8571 * Report the invalid expression unless the expression evaluation
|
|
|
8572 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8573 * exception.
|
|
|
8574 */
|
|
|
8575 if (!aborting())
|
|
|
8576 EMSG2(_(e_invexpr2), p);
|
|
|
8577 break;
|
|
|
8578 }
|
|
|
8579 if (!eap->skip)
|
|
|
8580 {
|
|
|
8581 if (atstart)
|
|
|
8582 {
|
|
|
8583 atstart = FALSE;
|
|
|
8584 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
8585 * may cause a message to appear. */
|
|
|
8586 if (eap->cmdidx == CMD_echo)
|
|
|
8587 msg_start();
|
|
|
8588 }
|
|
|
8589 else if (eap->cmdidx == CMD_echo)
|
|
|
8590 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
8591 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
8592 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
8593 {
|
|
|
8594 if (*p != TAB && needclr)
|
|
|
8595 {
|
|
|
8596 /* remove any text still there from the command */
|
|
|
8597 msg_clr_eos();
|
|
|
8598 needclr = FALSE;
|
|
|
8599 }
|
|
|
8600 msg_putchar_attr(*p, echo_attr);
|
|
|
8601 }
|
|
|
8602 else
|
|
|
8603 {
|
|
|
8604 #ifdef FEAT_MBYTE
|
|
|
8605 if (has_mbyte)
|
|
|
8606 {
|
|
|
8607 int i = (*mb_ptr2len_check)(p);
|
|
|
8608
|
|
|
8609 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
8610 p += i - 1;
|
|
|
8611 }
|
|
|
8612 else
|
|
|
8613 #endif
|
|
|
8614 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
8615 }
|
|
|
8616 }
|
|
|
8617 clear_var(&retvar);
|
|
|
8618 arg = skipwhite(arg);
|
|
|
8619 }
|
|
|
8620 eap->nextcmd = check_nextcmd(arg);
|
|
|
8621
|
|
|
8622 if (eap->skip)
|
|
|
8623 --emsg_skip;
|
|
|
8624 else
|
|
|
8625 {
|
|
|
8626 /* remove text that may still be there from the command */
|
|
|
8627 if (needclr)
|
|
|
8628 msg_clr_eos();
|
|
|
8629 if (eap->cmdidx == CMD_echo)
|
|
|
8630 msg_end();
|
|
|
8631 }
|
|
|
8632 }
|
|
|
8633
|
|
|
8634 /*
|
|
|
8635 * ":echohl {name}".
|
|
|
8636 */
|
|
|
8637 void
|
|
|
8638 ex_echohl(eap)
|
|
|
8639 exarg_T *eap;
|
|
|
8640 {
|
|
|
8641 int id;
|
|
|
8642
|
|
|
8643 id = syn_name2id(eap->arg);
|
|
|
8644 if (id == 0)
|
|
|
8645 echo_attr = 0;
|
|
|
8646 else
|
|
|
8647 echo_attr = syn_id2attr(id);
|
|
|
8648 }
|
|
|
8649
|
|
|
8650 /*
|
|
|
8651 * ":execute expr1 ..." execute the result of an expression.
|
|
|
8652 * ":echomsg expr1 ..." Print a message
|
|
|
8653 * ":echoerr expr1 ..." Print an error
|
|
|
8654 * Each gets spaces around each argument and a newline at the end for
|
|
|
8655 * echo commands
|
|
|
8656 */
|
|
|
8657 void
|
|
|
8658 ex_execute(eap)
|
|
|
8659 exarg_T *eap;
|
|
|
8660 {
|
|
|
8661 char_u *arg = eap->arg;
|
|
|
8662 var retvar;
|
|
|
8663 int ret = OK;
|
|
|
8664 char_u *p;
|
|
|
8665 garray_T ga;
|
|
|
8666 int len;
|
|
|
8667 int save_did_emsg;
|
|
|
8668
|
|
|
8669 ga_init2(&ga, 1, 80);
|
|
|
8670
|
|
|
8671 if (eap->skip)
|
|
|
8672 ++emsg_skip;
|
|
|
8673 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
8674 {
|
|
|
8675 p = arg;
|
|
|
8676 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8677 {
|
|
|
8678 /*
|
|
|
8679 * Report the invalid expression unless the expression evaluation
|
|
|
8680 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8681 * exception.
|
|
|
8682 */
|
|
|
8683 if (!aborting())
|
|
|
8684 EMSG2(_(e_invexpr2), p);
|
|
|
8685 ret = FAIL;
|
|
|
8686 break;
|
|
|
8687 }
|
|
|
8688
|
|
|
8689 if (!eap->skip)
|
|
|
8690 {
|
|
|
8691 p = get_var_string(&retvar);
|
|
|
8692 len = (int)STRLEN(p);
|
|
|
8693 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
8694 {
|
|
|
8695 clear_var(&retvar);
|
|
|
8696 ret = FAIL;
|
|
|
8697 break;
|
|
|
8698 }
|
|
|
8699 if (ga.ga_len)
|
|
|
8700 {
|
|
|
8701 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
8702 --ga.ga_room;
|
|
|
8703 }
|
|
|
8704 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
8705 ga.ga_room -= len;
|
|
|
8706 ga.ga_len += len;
|
|
|
8707 }
|
|
|
8708
|
|
|
8709 clear_var(&retvar);
|
|
|
8710 arg = skipwhite(arg);
|
|
|
8711 }
|
|
|
8712
|
|
|
8713 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
8714 {
|
|
|
8715 if (eap->cmdidx == CMD_echomsg)
|
|
|
8716 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
8717 else if (eap->cmdidx == CMD_echoerr)
|
|
|
8718 {
|
|
|
8719 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
8720 save_did_emsg = did_emsg;
|
|
|
8721 EMSG((char_u *)ga.ga_data);
|
|
|
8722 if (!force_abort)
|
|
|
8723 did_emsg = save_did_emsg;
|
|
|
8724 }
|
|
|
8725 else if (eap->cmdidx == CMD_execute)
|
|
|
8726 do_cmdline((char_u *)ga.ga_data,
|
|
|
8727 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
8728 }
|
|
|
8729
|
|
|
8730 ga_clear(&ga);
|
|
|
8731
|
|
|
8732 if (eap->skip)
|
|
|
8733 --emsg_skip;
|
|
|
8734
|
|
|
8735 eap->nextcmd = check_nextcmd(arg);
|
|
|
8736 }
|
|
|
8737
|
|
|
8738 /*
|
|
|
8739 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
8740 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
8741 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
8742 * after the option name.
|
|
|
8743 */
|
|
|
8744 static char_u *
|
|
|
8745 find_option_end(arg, opt_flags)
|
|
|
8746 char_u **arg;
|
|
|
8747 int *opt_flags;
|
|
|
8748 {
|
|
|
8749 char_u *p = *arg;
|
|
|
8750
|
|
|
8751 ++p;
|
|
|
8752 if (*p == 'g' && p[1] == ':')
|
|
|
8753 {
|
|
|
8754 *opt_flags = OPT_GLOBAL;
|
|
|
8755 p += 2;
|
|
|
8756 }
|
|
|
8757 else if (*p == 'l' && p[1] == ':')
|
|
|
8758 {
|
|
|
8759 *opt_flags = OPT_LOCAL;
|
|
|
8760 p += 2;
|
|
|
8761 }
|
|
|
8762 else
|
|
|
8763 *opt_flags = 0;
|
|
|
8764
|
|
|
8765 if (!ASCII_ISALPHA(*p))
|
|
|
8766 return NULL;
|
|
|
8767 *arg = p;
|
|
|
8768
|
|
|
8769 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
8770 p += 4; /* termcap option */
|
|
|
8771 else
|
|
|
8772 while (ASCII_ISALPHA(*p))
|
|
|
8773 ++p;
|
|
|
8774 return p;
|
|
|
8775 }
|
|
|
8776
|
|
|
8777 /*
|
|
|
8778 * ":function"
|
|
|
8779 */
|
|
|
8780 void
|
|
|
8781 ex_function(eap)
|
|
|
8782 exarg_T *eap;
|
|
|
8783 {
|
|
|
8784 char_u *theline;
|
|
|
8785 int j;
|
|
|
8786 int c;
|
|
|
8787 #ifdef FEAT_MAGIC_BRACES
|
|
|
8788 int saved_did_emsg;
|
|
|
8789 #endif
|
|
|
8790 char_u *name = NULL;
|
|
|
8791 char_u *p;
|
|
|
8792 char_u *arg;
|
|
|
8793 garray_T newargs;
|
|
|
8794 garray_T newlines;
|
|
|
8795 int varargs = FALSE;
|
|
|
8796 int mustend = FALSE;
|
|
|
8797 int flags = 0;
|
|
|
8798 ufunc_T *fp;
|
|
|
8799 int indent;
|
|
|
8800 int nesting;
|
|
|
8801 char_u *skip_until = NULL;
|
|
|
8802 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
8803
|
|
|
8804 /*
|
|
|
8805 * ":function" without argument: list functions.
|
|
|
8806 */
|
|
|
8807 if (ends_excmd(*eap->arg))
|
|
|
8808 {
|
|
|
8809 if (!eap->skip)
|
|
|
8810 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
8811 list_func_head(fp, FALSE);
|
|
|
8812 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
8813 return;
|
|
|
8814 }
|
|
|
8815
|
|
|
8816 p = eap->arg;
|
|
|
8817 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
8818 if (name == NULL && !eap->skip)
|
|
|
8819 {
|
|
|
8820 /*
|
|
|
8821 * Return on an invalid expression in braces, unless the expression
|
|
|
8822 * evaluation has been cancelled due to an aborting error, an
|
|
|
8823 * interrupt, or an exception.
|
|
|
8824 */
|
|
|
8825 if (!aborting())
|
|
|
8826 return;
|
|
|
8827 else
|
|
|
8828 eap->skip = TRUE;
|
|
|
8829 }
|
|
|
8830 #ifdef FEAT_MAGIC_BRACES
|
|
|
8831 /* An error in a function call during evaluation of an expression in magic
|
|
|
8832 * braces should not cause the function not to be defined. */
|
|
|
8833 saved_did_emsg = did_emsg;
|
|
|
8834 did_emsg = FALSE;
|
|
|
8835 #endif
|
|
|
8836
|
|
|
8837 /*
|
|
|
8838 * ":function func" with only function name: list function.
|
|
|
8839 */
|
|
|
8840 if (vim_strchr(p, '(') == NULL)
|
|
|
8841 {
|
|
|
8842 if (!ends_excmd(*skipwhite(p)))
|
|
|
8843 {
|
|
|
8844 EMSG(_(e_trailing));
|
|
|
8845 goto erret_name;
|
|
|
8846 }
|
|
|
8847 eap->nextcmd = check_nextcmd(p);
|
|
|
8848 if (eap->nextcmd != NULL)
|
|
|
8849 *p = NUL;
|
|
|
8850 if (!eap->skip && !got_int)
|
|
|
8851 {
|
|
|
8852 fp = find_func(name);
|
|
|
8853 if (fp != NULL)
|
|
|
8854 {
|
|
|
8855 list_func_head(fp, TRUE);
|
|
|
8856 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
8857 {
|
|
|
8858 msg_putchar('\n');
|
|
|
8859 msg_outnum((long)(j + 1));
|
|
|
8860 if (j < 9)
|
|
|
8861 msg_putchar(' ');
|
|
|
8862 if (j < 99)
|
|
|
8863 msg_putchar(' ');
|
|
|
8864 msg_prt_line(FUNCLINE(fp, j));
|
|
|
8865 out_flush(); /* show a line at a time */
|
|
|
8866 ui_breakcheck();
|
|
|
8867 }
|
|
|
8868 if (!got_int)
|
|
|
8869 {
|
|
|
8870 msg_putchar('\n');
|
|
|
8871 msg_puts((char_u *)" endfunction");
|
|
|
8872 }
|
|
|
8873 }
|
|
|
8874 else
|
|
|
8875 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
8876 }
|
|
|
8877 goto erret_name;
|
|
|
8878 }
|
|
|
8879
|
|
|
8880 /*
|
|
|
8881 * ":function name(arg1, arg2)" Define function.
|
|
|
8882 */
|
|
|
8883 p = skipwhite(p);
|
|
|
8884 if (*p != '(')
|
|
|
8885 {
|
|
|
8886 if (!eap->skip)
|
|
|
8887 {
|
|
|
8888 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
8889 goto erret_name;
|
|
|
8890 }
|
|
|
8891 /* attempt to continue by skipping some text */
|
|
|
8892 if (vim_strchr(p, '(') != NULL)
|
|
|
8893 p = vim_strchr(p, '(');
|
|
|
8894 }
|
|
|
8895 p = skipwhite(p + 1);
|
|
|
8896
|
|
|
8897 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
8898 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
8899
|
|
|
8900 /*
|
|
|
8901 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
8902 */
|
|
|
8903 while (*p != ')')
|
|
|
8904 {
|
|
|
8905 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
8906 {
|
|
|
8907 varargs = TRUE;
|
|
|
8908 p += 3;
|
|
|
8909 mustend = TRUE;
|
|
|
8910 }
|
|
|
8911 else
|
|
|
8912 {
|
|
|
8913 arg = p;
|
|
|
8914 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
8915 ++p;
|
|
|
8916 if (arg == p || isdigit(*arg)
|
|
|
8917 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
8918 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
8919 {
|
|
|
8920 if (!eap->skip)
|
|
|
8921 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
8922 break;
|
|
|
8923 }
|
|
|
8924 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
8925 goto erret;
|
|
|
8926 c = *p;
|
|
|
8927 *p = NUL;
|
|
|
8928 arg = vim_strsave(arg);
|
|
|
8929 if (arg == NULL)
|
|
|
8930 goto erret;
|
|
|
8931 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
8932 *p = c;
|
|
|
8933 newargs.ga_len++;
|
|
|
8934 newargs.ga_room--;
|
|
|
8935 if (*p == ',')
|
|
|
8936 ++p;
|
|
|
8937 else
|
|
|
8938 mustend = TRUE;
|
|
|
8939 }
|
|
|
8940 p = skipwhite(p);
|
|
|
8941 if (mustend && *p != ')')
|
|
|
8942 {
|
|
|
8943 if (!eap->skip)
|
|
|
8944 EMSG2(_(e_invarg2), eap->arg);
|
|
|
8945 break;
|
|
|
8946 }
|
|
|
8947 }
|
|
|
8948 ++p; /* skip the ')' */
|
|
|
8949
|
|
|
8950 /* find extra arguments "range" and "abort" */
|
|
|
8951 for (;;)
|
|
|
8952 {
|
|
|
8953 p = skipwhite(p);
|
|
|
8954 if (STRNCMP(p, "range", 5) == 0)
|
|
|
8955 {
|
|
|
8956 flags |= FC_RANGE;
|
|
|
8957 p += 5;
|
|
|
8958 }
|
|
|
8959 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
8960 {
|
|
|
8961 flags |= FC_ABORT;
|
|
|
8962 p += 5;
|
|
|
8963 }
|
|
|
8964 else
|
|
|
8965 break;
|
|
|
8966 }
|
|
|
8967
|
|
|
8968 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
8969 EMSG(_(e_trailing));
|
|
|
8970
|
|
|
8971 /*
|
|
|
8972 * Read the body of the function, until ":endfunction" is found.
|
|
|
8973 */
|
|
|
8974 if (KeyTyped)
|
|
|
8975 {
|
|
|
8976 /* Check if the function already exists, don't let the user type the
|
|
|
8977 * whole function before telling him it doesn't work! For a script we
|
|
|
8978 * need to skip the body to be able to find what follows. */
|
|
|
8979 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
8980 EMSG2(_(e_funcexts), name);
|
|
|
8981
|
|
|
8982 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
8983 cmdline_row = msg_row;
|
|
|
8984 }
|
|
|
8985
|
|
|
8986 indent = 2;
|
|
|
8987 nesting = 0;
|
|
|
8988 for (;;)
|
|
|
8989 {
|
|
|
8990 msg_scroll = TRUE;
|
|
|
8991 need_wait_return = FALSE;
|
|
|
8992 if (eap->getline == NULL)
|
|
|
8993 theline = getcmdline(':', 0L, indent);
|
|
|
8994 else
|
|
|
8995 theline = eap->getline(':', eap->cookie, indent);
|
|
|
8996 if (KeyTyped)
|
|
|
8997 lines_left = Rows - 1;
|
|
|
8998 if (theline == NULL)
|
|
|
8999 {
|
|
|
9000 EMSG(_("E126: Missing :endfunction"));
|
|
|
9001 goto erret;
|
|
|
9002 }
|
|
|
9003
|
|
|
9004 if (skip_until != NULL)
|
|
|
9005 {
|
|
|
9006 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9007 * don't check for ":endfunc". */
|
|
|
9008 if (STRCMP(theline, skip_until) == 0)
|
|
|
9009 {
|
|
|
9010 vim_free(skip_until);
|
|
|
9011 skip_until = NULL;
|
|
|
9012 }
|
|
|
9013 }
|
|
|
9014 else
|
|
|
9015 {
|
|
|
9016 /* skip ':' and blanks*/
|
|
|
9017 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9018 ;
|
|
|
9019
|
|
|
9020 /* Check for "endfunction" (should be more strict...). */
|
|
|
9021 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9022 {
|
|
|
9023 vim_free(theline);
|
|
|
9024 break;
|
|
|
9025 }
|
|
|
9026
|
|
|
9027 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9028 * at "end". */
|
|
|
9029 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9030 indent -= 2;
|
|
|
9031 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9032 || STRNCMP(p, "try", 3) == 0)
|
|
|
9033 indent += 2;
|
|
|
9034
|
|
|
9035 /* Check for defining a function inside this function. */
|
|
|
9036 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9037 {
|
|
|
9038 p = skipwhite(skiptowhite(p));
|
|
|
9039 p += eval_fname_script(p);
|
|
|
9040 if (ASCII_ISALPHA(*p))
|
|
|
9041 {
|
|
|
9042 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9043 if (*skipwhite(p) == '(')
|
|
|
9044 {
|
|
|
9045 ++nesting;
|
|
|
9046 indent += 2;
|
|
|
9047 }
|
|
|
9048 }
|
|
|
9049 }
|
|
|
9050
|
|
|
9051 /* Check for ":append" or ":insert". */
|
|
|
9052 p = skip_range(p, NULL);
|
|
|
9053 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9054 || (p[0] == 'i'
|
|
|
9055 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9056 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9057 skip_until = vim_strsave((char_u *)".");
|
|
|
9058
|
|
|
9059 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9060 arg = skipwhite(skiptowhite(p));
|
|
|
9061 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9062 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9063 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9064 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9065 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9066 || (p[0] == 't' && p[1] == 'c'
|
|
|
9067 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9068 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9069 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
|
9070 ))
|
|
|
9071 {
|
|
|
9072 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9073 p = skipwhite(arg + 2);
|
|
|
9074 if (*p == NUL)
|
|
|
9075 skip_until = vim_strsave((char_u *)".");
|
|
|
9076 else
|
|
|
9077 skip_until = vim_strsave(p);
|
|
|
9078 }
|
|
|
9079 }
|
|
|
9080
|
|
|
9081 /* Add the line to the function. */
|
|
|
9082 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9083 goto erret;
|
|
|
9084 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9085 newlines.ga_len++;
|
|
|
9086 newlines.ga_room--;
|
|
|
9087 }
|
|
|
9088
|
|
|
9089 /* Don't define the function when skipping commands or when an error was
|
|
|
9090 * detected. */
|
|
|
9091 if (eap->skip || did_emsg)
|
|
|
9092 goto erret;
|
|
|
9093
|
|
|
9094 /*
|
|
|
9095 * If there are no errors, add the function
|
|
|
9096 */
|
|
|
9097 fp = find_func(name);
|
|
|
9098 if (fp != NULL)
|
|
|
9099 {
|
|
|
9100 if (!eap->forceit)
|
|
|
9101 {
|
|
|
9102 EMSG2(_(e_funcexts), name);
|
|
|
9103 goto erret;
|
|
|
9104 }
|
|
|
9105 if (fp->calls)
|
|
|
9106 {
|
|
|
9107 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9108 goto erret;
|
|
|
9109 }
|
|
|
9110 /* redefine existing function */
|
|
|
9111 ga_clear_strings(&(fp->args));
|
|
|
9112 ga_clear_strings(&(fp->lines));
|
|
|
9113 vim_free(name);
|
|
|
9114 }
|
|
|
9115 else
|
|
|
9116 {
|
|
|
9117 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9118 if (fp == NULL)
|
|
|
9119 goto erret;
|
|
|
9120 /* insert the new function in the function list */
|
|
|
9121 fp->next = firstfunc;
|
|
|
9122 firstfunc = fp;
|
|
|
9123 fp->name = name;
|
|
|
9124 }
|
|
|
9125 fp->args = newargs;
|
|
|
9126 fp->lines = newlines;
|
|
|
9127 fp->varargs = varargs;
|
|
|
9128 fp->flags = flags;
|
|
|
9129 fp->calls = 0;
|
|
|
9130 fp->script_ID = current_SID;
|
|
|
9131 #ifdef FEAT_MAGIC_BRACES
|
|
|
9132 did_emsg |= saved_did_emsg;
|
|
|
9133 #endif
|
|
|
9134 vim_free(skip_until);
|
|
|
9135 return;
|
|
|
9136
|
|
|
9137 erret:
|
|
|
9138 vim_free(skip_until);
|
|
|
9139 ga_clear_strings(&newargs);
|
|
|
9140 ga_clear_strings(&newlines);
|
|
|
9141 erret_name:
|
|
|
9142 vim_free(name);
|
|
|
9143 #ifdef FEAT_MAGIC_BRACES
|
|
|
9144 did_emsg |= saved_did_emsg;
|
|
|
9145 #endif
|
|
|
9146 }
|
|
|
9147
|
|
|
9148 /*
|
|
|
9149 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9150 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9151 * Advances "pp" to just after the function name (if no error).
|
|
|
9152 */
|
|
|
9153 static char_u *
|
|
|
9154 trans_function_name(pp, skip, internal)
|
|
|
9155 char_u **pp;
|
|
|
9156 int skip; /* only find the end, don't evaluate */
|
|
|
9157 int internal; /* TRUE if internal function name OK */
|
|
|
9158 {
|
|
|
9159 char_u *name;
|
|
|
9160 char_u *start;
|
|
|
9161 char_u *end;
|
|
|
9162 int lead;
|
|
|
9163 char_u sid_buf[20];
|
|
|
9164 char_u *temp_string = NULL;
|
|
|
9165 char_u *expr_start, *expr_end;
|
|
|
9166 int len;
|
|
|
9167
|
|
|
9168 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9169 start = *pp;
|
|
|
9170 lead = eval_fname_script(start);
|
|
|
9171 if (lead > 0)
|
|
|
9172 start += lead;
|
|
|
9173 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9174 if (end == start)
|
|
|
9175 {
|
|
|
9176 if (!skip)
|
|
|
9177 EMSG(_("E129: Function name required"));
|
|
|
9178 return NULL;
|
|
|
9179 }
|
|
|
9180 #ifdef FEAT_MAGIC_BRACES
|
|
|
9181 if (expr_start != NULL && !skip)
|
|
|
9182 {
|
|
|
9183 /* expand magic curlies */
|
|
|
9184 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9185 if (temp_string == NULL)
|
|
|
9186 {
|
|
|
9187 /*
|
|
|
9188 * Report an invalid expression in braces, unless the expression
|
|
|
9189 * evaluation has been cancelled due to an aborting error, an
|
|
|
9190 * interrupt, or an exception.
|
|
|
9191 */
|
|
|
9192 if (!aborting())
|
|
|
9193 EMSG2(_(e_invarg2), start);
|
|
|
9194 else
|
|
|
9195 *pp = end;
|
|
|
9196 return NULL;
|
|
|
9197 }
|
|
|
9198 start = temp_string;
|
|
|
9199 len = (int)STRLEN(temp_string);
|
|
|
9200 }
|
|
|
9201 else
|
|
|
9202 #endif
|
|
|
9203 len = (int)(end - start);
|
|
|
9204
|
|
|
9205 /*
|
|
|
9206 * Copy the function name to allocated memory.
|
|
|
9207 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9208 * Accept <SNR>123_name() outside a script.
|
|
|
9209 */
|
|
|
9210 if (skip)
|
|
|
9211 lead = 0; /* do nothing */
|
|
|
9212 else if (lead > 0)
|
|
|
9213 {
|
|
|
9214 lead = 3;
|
|
|
9215 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9216 {
|
|
|
9217 if (current_SID <= 0)
|
|
|
9218 {
|
|
|
9219 EMSG(_(e_usingsid));
|
|
|
9220 return NULL;
|
|
|
9221 }
|
|
|
9222 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9223 lead += (int)STRLEN(sid_buf);
|
|
|
9224 }
|
|
|
9225 }
|
|
|
9226 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9227 {
|
|
|
9228 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9229 return NULL;
|
|
|
9230 }
|
|
|
9231 name = alloc((unsigned)(len + lead + 1));
|
|
|
9232 if (name != NULL)
|
|
|
9233 {
|
|
|
9234 if (lead > 0)
|
|
|
9235 {
|
|
|
9236 name[0] = K_SPECIAL;
|
|
|
9237 name[1] = KS_EXTRA;
|
|
|
9238 name[2] = (int)KE_SNR;
|
|
|
9239 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9240 STRCPY(name + 3, sid_buf);
|
|
|
9241 }
|
|
|
9242 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9243 name[len + lead] = NUL;
|
|
|
9244 }
|
|
|
9245 *pp = end;
|
|
|
9246
|
|
|
9247 vim_free(temp_string);
|
|
|
9248 return name;
|
|
|
9249 }
|
|
|
9250
|
|
|
9251 /*
|
|
|
9252 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9253 * Return 2 if "p" starts with "s:".
|
|
|
9254 * Return 0 otherwise.
|
|
|
9255 */
|
|
|
9256 static int
|
|
|
9257 eval_fname_script(p)
|
|
|
9258 char_u *p;
|
|
|
9259 {
|
|
|
9260 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9261 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9262 return 5;
|
|
|
9263 if (p[0] == 's' && p[1] == ':')
|
|
|
9264 return 2;
|
|
|
9265 return 0;
|
|
|
9266 }
|
|
|
9267
|
|
|
9268 /*
|
|
|
9269 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9270 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9271 */
|
|
|
9272 static int
|
|
|
9273 eval_fname_sid(p)
|
|
|
9274 char_u *p;
|
|
|
9275 {
|
|
|
9276 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9277 }
|
|
|
9278
|
|
|
9279 /*
|
|
|
9280 * List the head of the function: "name(arg1, arg2)".
|
|
|
9281 */
|
|
|
9282 static void
|
|
|
9283 list_func_head(fp, indent)
|
|
|
9284 ufunc_T *fp;
|
|
|
9285 int indent;
|
|
|
9286 {
|
|
|
9287 int j;
|
|
|
9288
|
|
|
9289 msg_start();
|
|
|
9290 if (indent)
|
|
|
9291 MSG_PUTS(" ");
|
|
|
9292 MSG_PUTS("function ");
|
|
|
9293 if (fp->name[0] == K_SPECIAL)
|
|
|
9294 {
|
|
|
9295 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9296 msg_puts(fp->name + 3);
|
|
|
9297 }
|
|
|
9298 else
|
|
|
9299 msg_puts(fp->name);
|
|
|
9300 msg_putchar('(');
|
|
|
9301 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
9302 {
|
|
|
9303 if (j)
|
|
|
9304 MSG_PUTS(", ");
|
|
|
9305 msg_puts(FUNCARG(fp, j));
|
|
|
9306 }
|
|
|
9307 if (fp->varargs)
|
|
|
9308 {
|
|
|
9309 if (j)
|
|
|
9310 MSG_PUTS(", ");
|
|
|
9311 MSG_PUTS("...");
|
|
|
9312 }
|
|
|
9313 msg_putchar(')');
|
|
|
9314 }
|
|
|
9315
|
|
|
9316 /*
|
|
|
9317 * Find a function by name, return pointer to it in ufuncs.
|
|
|
9318 * Return NULL for unknown function.
|
|
|
9319 */
|
|
|
9320 static ufunc_T *
|
|
|
9321 find_func(name)
|
|
|
9322 char_u *name;
|
|
|
9323 {
|
|
|
9324 ufunc_T *fp;
|
|
|
9325
|
|
|
9326 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
9327 if (STRCMP(name, fp->name) == 0)
|
|
|
9328 break;
|
|
|
9329 return fp;
|
|
|
9330 }
|
|
|
9331
|
|
|
9332 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
9333
|
|
|
9334 /*
|
|
|
9335 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
9336 * function names.
|
|
|
9337 */
|
|
|
9338 char_u *
|
|
|
9339 get_user_func_name(xp, idx)
|
|
|
9340 expand_T *xp;
|
|
|
9341 int idx;
|
|
|
9342 {
|
|
|
9343 static ufunc_T *fp = NULL;
|
|
|
9344
|
|
|
9345 if (idx == 0)
|
|
|
9346 fp = firstfunc;
|
|
|
9347 if (fp != NULL)
|
|
|
9348 {
|
|
|
9349 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
9350 return fp->name; /* prevents overflow */
|
|
|
9351
|
|
|
9352 cat_func_name(IObuff, fp);
|
|
|
9353 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
9354 {
|
|
|
9355 STRCAT(IObuff, "(");
|
|
|
9356 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
9357 STRCAT(IObuff, ")");
|
|
|
9358 }
|
|
|
9359
|
|
|
9360 fp = fp->next;
|
|
|
9361 return IObuff;
|
|
|
9362 }
|
|
|
9363 return NULL;
|
|
|
9364 }
|
|
|
9365
|
|
|
9366 #endif /* FEAT_CMDL_COMPL */
|
|
|
9367
|
|
|
9368 /*
|
|
|
9369 * Copy the function name of "fp" to buffer "buf".
|
|
|
9370 * "buf" must be able to hold the function name plus three bytes.
|
|
|
9371 * Takes care of script-local function names.
|
|
|
9372 */
|
|
|
9373 static void
|
|
|
9374 cat_func_name(buf, fp)
|
|
|
9375 char_u *buf;
|
|
|
9376 ufunc_T *fp;
|
|
|
9377 {
|
|
|
9378 if (fp->name[0] == K_SPECIAL)
|
|
|
9379 {
|
|
|
9380 STRCPY(buf, "<SNR>");
|
|
|
9381 STRCAT(buf, fp->name + 3);
|
|
|
9382 }
|
|
|
9383 else
|
|
|
9384 STRCPY(buf, fp->name);
|
|
|
9385 }
|
|
|
9386
|
|
|
9387 /*
|
|
|
9388 * ":delfunction {name}"
|
|
|
9389 */
|
|
|
9390 void
|
|
|
9391 ex_delfunction(eap)
|
|
|
9392 exarg_T *eap;
|
|
|
9393 {
|
|
|
9394 ufunc_T *fp = NULL, *pfp;
|
|
|
9395 char_u *p;
|
|
|
9396 char_u *name;
|
|
|
9397
|
|
|
9398 p = eap->arg;
|
|
|
9399 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9400 if (name == NULL)
|
|
|
9401 return;
|
|
|
9402 if (!ends_excmd(*skipwhite(p)))
|
|
|
9403 {
|
|
|
9404 vim_free(name);
|
|
|
9405 EMSG(_(e_trailing));
|
|
|
9406 return;
|
|
|
9407 }
|
|
|
9408 eap->nextcmd = check_nextcmd(p);
|
|
|
9409 if (eap->nextcmd != NULL)
|
|
|
9410 *p = NUL;
|
|
|
9411
|
|
|
9412 if (!eap->skip)
|
|
|
9413 fp = find_func(name);
|
|
|
9414 vim_free(name);
|
|
|
9415
|
|
|
9416 if (!eap->skip)
|
|
|
9417 {
|
|
|
9418 if (fp == NULL)
|
|
|
9419 {
|
|
|
9420 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
9421 return;
|
|
|
9422 }
|
|
|
9423 if (fp->calls)
|
|
|
9424 {
|
|
|
9425 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
9426 return;
|
|
|
9427 }
|
|
|
9428
|
|
|
9429 /* clear this function */
|
|
|
9430 vim_free(fp->name);
|
|
|
9431 ga_clear_strings(&(fp->args));
|
|
|
9432 ga_clear_strings(&(fp->lines));
|
|
|
9433
|
|
|
9434 /* remove the function from the function list */
|
|
|
9435 if (firstfunc == fp)
|
|
|
9436 firstfunc = fp->next;
|
|
|
9437 else
|
|
|
9438 {
|
|
|
9439 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
9440 if (pfp->next == fp)
|
|
|
9441 {
|
|
|
9442 pfp->next = fp->next;
|
|
|
9443 break;
|
|
|
9444 }
|
|
|
9445 }
|
|
|
9446 vim_free(fp);
|
|
|
9447 }
|
|
|
9448 }
|
|
|
9449
|
|
|
9450 /*
|
|
|
9451 * Call a user function.
|
|
|
9452 */
|
|
|
9453 static void
|
|
|
9454 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
9455 ufunc_T *fp; /* pointer to function */
|
|
|
9456 int argcount; /* nr of args */
|
|
|
9457 VAR argvars; /* arguments */
|
|
|
9458 VAR retvar; /* return value */
|
|
|
9459 linenr_T firstline; /* first line of range */
|
|
|
9460 linenr_T lastline; /* last line of range */
|
|
|
9461 {
|
|
|
9462 char_u *save_sourcing_name;
|
|
|
9463 linenr_T save_sourcing_lnum;
|
|
|
9464 scid_T save_current_SID;
|
|
|
9465 struct funccall fc;
|
|
|
9466 struct funccall *save_fcp = current_funccal;
|
|
|
9467 int save_did_emsg;
|
|
|
9468 static int depth = 0;
|
|
|
9469
|
|
|
9470 /* If depth of calling is getting too high, don't execute the function */
|
|
|
9471 if (depth >= p_mfd)
|
|
|
9472 {
|
|
|
9473 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
9474 retvar->var_type = VAR_NUMBER;
|
|
|
9475 retvar->var_val.var_number = -1;
|
|
|
9476 return;
|
|
|
9477 }
|
|
|
9478 ++depth;
|
|
|
9479
|
|
|
9480 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
9481
|
|
|
9482 /* set local variables */
|
|
|
9483 var_init(&fc.l_vars);
|
|
|
9484 fc.func = fp;
|
|
|
9485 fc.argcount = argcount;
|
|
|
9486 fc.argvars = argvars;
|
|
|
9487 fc.retvar = retvar;
|
|
|
9488 retvar->var_val.var_number = 0;
|
|
|
9489 fc.linenr = 0;
|
|
|
9490 fc.returned = FALSE;
|
|
|
9491 fc.level = ex_nesting_level;
|
|
|
9492 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
9493 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
9494 fc.a0_var.var_name = NULL;
|
|
|
9495 current_funccal = &fc;
|
|
|
9496 fc.firstline.var_type = VAR_NUMBER;
|
|
|
9497 fc.firstline.var_val.var_number = firstline;
|
|
|
9498 fc.firstline.var_name = NULL;
|
|
|
9499 fc.lastline.var_type = VAR_NUMBER;
|
|
|
9500 fc.lastline.var_val.var_number = lastline;
|
|
|
9501 fc.lastline.var_name = NULL;
|
|
|
9502 /* Check if this function has a breakpoint. */
|
|
|
9503 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
9504 fc.dbg_tick = debug_tick;
|
|
|
9505
|
|
|
9506 /* Don't redraw while executing the function. */
|
|
|
9507 ++RedrawingDisabled;
|
|
|
9508 save_sourcing_name = sourcing_name;
|
|
|
9509 save_sourcing_lnum = sourcing_lnum;
|
|
|
9510 sourcing_lnum = 1;
|
|
|
9511 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
9512 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
9513 if (sourcing_name != NULL)
|
|
|
9514 {
|
|
|
9515 if (save_sourcing_name != NULL
|
|
|
9516 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
9517 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
9518 else
|
|
|
9519 STRCPY(sourcing_name, "function ");
|
|
|
9520 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
9521
|
|
|
9522 if (p_verbose >= 12)
|
|
|
9523 {
|
|
|
9524 ++no_wait_return;
|
|
|
9525 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9526 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
9527 if (p_verbose >= 14)
|
|
|
9528 {
|
|
|
9529 int i;
|
|
|
9530 char_u buf[MSG_BUF_LEN];
|
|
|
9531
|
|
|
9532 msg_puts((char_u *)"(");
|
|
|
9533 for (i = 0; i < argcount; ++i)
|
|
|
9534 {
|
|
|
9535 if (i > 0)
|
|
|
9536 msg_puts((char_u *)", ");
|
|
|
9537 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
9538 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
9539 else
|
|
|
9540 {
|
|
|
9541 trunc_string(get_var_string(&argvars[i]),
|
|
|
9542 buf, MSG_BUF_LEN);
|
|
|
9543 msg_puts((char_u *)"\"");
|
|
|
9544 msg_puts(buf);
|
|
|
9545 msg_puts((char_u *)"\"");
|
|
|
9546 }
|
|
|
9547 }
|
|
|
9548 msg_puts((char_u *)")");
|
|
|
9549 }
|
|
|
9550 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9551 cmdline_row = msg_row;
|
|
|
9552 --no_wait_return;
|
|
|
9553 }
|
|
|
9554 }
|
|
|
9555 save_current_SID = current_SID;
|
|
|
9556 current_SID = fp->script_ID;
|
|
|
9557 save_did_emsg = did_emsg;
|
|
|
9558 did_emsg = FALSE;
|
|
|
9559
|
|
|
9560 /* call do_cmdline() to execute the lines */
|
|
|
9561 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
9562 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
9563
|
|
|
9564 --RedrawingDisabled;
|
|
|
9565
|
|
|
9566 /* when the function was aborted because of an error, return -1 */
|
|
|
9567 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
9568 {
|
|
|
9569 clear_var(retvar);
|
|
|
9570 retvar->var_type = VAR_NUMBER;
|
|
|
9571 retvar->var_val.var_number = -1;
|
|
|
9572 }
|
|
|
9573
|
|
|
9574 /* when being verbose, mention the return value */
|
|
|
9575 if (p_verbose >= 12)
|
|
|
9576 {
|
|
|
9577 char_u *sn, *val;
|
|
|
9578
|
|
|
9579 ++no_wait_return;
|
|
|
9580 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9581
|
|
|
9582 /* Make sure the output fits in IObuff. */
|
|
|
9583 sn = sourcing_name;
|
|
|
9584 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
9585 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
9586
|
|
|
9587 if (aborting())
|
|
|
9588 smsg((char_u *)_("%s aborted"), sn);
|
|
|
9589 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
9590 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
9591 (long)fc.retvar->var_val.var_number);
|
|
|
9592 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
9593 {
|
|
|
9594 val = get_var_string(fc.retvar);
|
|
|
9595 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
9596 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
9597 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
9598 }
|
|
|
9599 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9600 cmdline_row = msg_row;
|
|
|
9601 --no_wait_return;
|
|
|
9602 }
|
|
|
9603
|
|
|
9604 vim_free(sourcing_name);
|
|
|
9605 sourcing_name = save_sourcing_name;
|
|
|
9606 sourcing_lnum = save_sourcing_lnum;
|
|
|
9607 current_SID = save_current_SID;
|
|
|
9608
|
|
|
9609 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
9610 {
|
|
|
9611 ++no_wait_return;
|
|
|
9612 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9613 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
9614 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9615 cmdline_row = msg_row;
|
|
|
9616 --no_wait_return;
|
|
|
9617 }
|
|
|
9618
|
|
|
9619 did_emsg |= save_did_emsg;
|
|
|
9620 current_funccal = save_fcp;
|
|
|
9621
|
|
|
9622 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
9623 --depth;
|
|
|
9624 }
|
|
|
9625
|
|
|
9626 /*
|
|
|
9627 * ":return [expr]"
|
|
|
9628 */
|
|
|
9629 void
|
|
|
9630 ex_return(eap)
|
|
|
9631 exarg_T *eap;
|
|
|
9632 {
|
|
|
9633 char_u *arg = eap->arg;
|
|
|
9634 var retvar;
|
|
|
9635 int returning = FALSE;
|
|
|
9636
|
|
|
9637 if (current_funccal == NULL)
|
|
|
9638 {
|
|
|
9639 EMSG(_("E133: :return not inside a function"));
|
|
|
9640 return;
|
|
|
9641 }
|
|
|
9642
|
|
|
9643 if (eap->skip)
|
|
|
9644 ++emsg_skip;
|
|
|
9645
|
|
|
9646 eap->nextcmd = NULL;
|
|
|
9647 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9648 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
9649 {
|
|
|
9650 if (!eap->skip)
|
|
|
9651 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
9652 else
|
|
|
9653 clear_var(&retvar);
|
|
|
9654 }
|
|
|
9655 /* It's safer to return also on error. */
|
|
|
9656 else if (!eap->skip)
|
|
|
9657 {
|
|
|
9658 /*
|
|
|
9659 * Return unless the expression evaluation has been cancelled due to an
|
|
|
9660 * aborting error, an interrupt, or an exception.
|
|
|
9661 */
|
|
|
9662 if (!aborting())
|
|
|
9663 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
9664 }
|
|
|
9665
|
|
|
9666 /* When skipping or the return gets pending, advance to the next command
|
|
|
9667 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
9668 * Following lines will be ignored by get_func_line(). */
|
|
|
9669 if (returning)
|
|
|
9670 eap->nextcmd = NULL;
|
|
|
9671 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
9672 eap->nextcmd = check_nextcmd(arg);
|
|
|
9673
|
|
|
9674 if (eap->skip)
|
|
|
9675 --emsg_skip;
|
|
|
9676 }
|
|
|
9677
|
|
|
9678 /*
|
|
|
9679 * Return from a function. Possibly makes the return pending. Also called
|
|
|
9680 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
9681 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
9682 * when called due to a ":return" command. "value" may point to a variable
|
|
|
9683 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
9684 * FALSE when the return gets pending.
|
|
|
9685 */
|
|
|
9686 int
|
|
|
9687 do_return(eap, reanimate, is_cmd, value)
|
|
|
9688 exarg_T *eap;
|
|
|
9689 int reanimate;
|
|
|
9690 int is_cmd;
|
|
|
9691 void *value;
|
|
|
9692 {
|
|
|
9693 int idx;
|
|
|
9694 struct condstack *cstack = eap->cstack;
|
|
|
9695
|
|
|
9696 if (reanimate)
|
|
|
9697 /* Undo the return. */
|
|
|
9698 current_funccal->returned = FALSE;
|
|
|
9699
|
|
|
9700 /*
|
|
|
9701 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
9702 * not in its finally clause (which then is to be executed next) is found.
|
|
|
9703 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
9704 * Otherwise, return normally.
|
|
|
9705 */
|
|
|
9706 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
9707 if (idx >= 0)
|
|
|
9708 {
|
|
|
9709 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
9710
|
|
|
9711 if (!is_cmd && !reanimate)
|
|
|
9712 /* A pending return again gets pending. "value" points to an
|
|
|
9713 * allocated variable with the value of the original ":return"'s
|
|
|
9714 * argument if present or is NULL else. */
|
|
|
9715 cstack->cs_retvar[idx] = value;
|
|
|
9716 else
|
|
|
9717 {
|
|
|
9718 /* When undoing a return in order to make it pending, get the stored
|
|
|
9719 * return value. */
|
|
|
9720 if (reanimate)
|
|
|
9721 value = current_funccal->retvar;
|
|
|
9722
|
|
|
9723 if (value != NULL)
|
|
|
9724 {
|
|
|
9725 /* Store the value of the pending return. */
|
|
|
9726 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
9727 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
9728 else
|
|
|
9729 EMSG(_(e_outofmem));
|
|
|
9730 }
|
|
|
9731 else
|
|
|
9732 cstack->cs_retvar[idx] = NULL;
|
|
|
9733
|
|
|
9734 if (reanimate)
|
|
|
9735 {
|
|
|
9736 /* The pending return value could be overwritten by a ":return"
|
|
|
9737 * without argument in a finally clause; reset the default
|
|
|
9738 * return value. */
|
|
|
9739 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
9740 current_funccal->retvar->var_val.var_number = 0;
|
|
|
9741 }
|
|
|
9742 }
|
|
|
9743 report_make_pending(CSTP_RETURN, value);
|
|
|
9744 }
|
|
|
9745 else
|
|
|
9746 {
|
|
|
9747 current_funccal->returned = TRUE;
|
|
|
9748
|
|
|
9749 /* If the return is carried out now, store the return value. For
|
|
|
9750 * a return immediately after reanimation, the value is already
|
|
|
9751 * there. */
|
|
|
9752 if (!reanimate && value != NULL)
|
|
|
9753 {
|
|
|
9754 clear_var(current_funccal->retvar);
|
|
|
9755 *current_funccal->retvar = *(VAR)value;
|
|
|
9756 if (!is_cmd)
|
|
|
9757 vim_free(value);
|
|
|
9758 }
|
|
|
9759 }
|
|
|
9760
|
|
|
9761 return idx < 0;
|
|
|
9762 }
|
|
|
9763
|
|
|
9764 /*
|
|
|
9765 * Free the variable with a pending return value.
|
|
|
9766 */
|
|
|
9767 void
|
|
|
9768 discard_pending_return(retvar)
|
|
|
9769 void *retvar;
|
|
|
9770 {
|
|
|
9771 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
9772 * use free_var() to clear and free it. */
|
|
|
9773 clear_var((VAR)retvar);
|
|
|
9774 vim_free(retvar);
|
|
|
9775 }
|
|
|
9776
|
|
|
9777 /*
|
|
|
9778 * Generate a return command for producing the value of "retvar". The result
|
|
|
9779 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
9780 */
|
|
|
9781 char_u *
|
|
|
9782 get_return_cmd(retvar)
|
|
|
9783 void *retvar;
|
|
|
9784 {
|
|
|
9785 char_u *s = IObuff;
|
|
|
9786
|
|
|
9787 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
9788 s = (char_u *)":return";
|
|
|
9789 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
9790 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
9791 ((VAR)retvar)->var_val.var_string);
|
|
|
9792 else
|
|
|
9793 sprintf((char *)IObuff, ":return %ld",
|
|
|
9794 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
9795 return vim_strsave(s);
|
|
|
9796 }
|
|
|
9797
|
|
|
9798 /*
|
|
|
9799 * Get next function line.
|
|
|
9800 * Called by do_cmdline() to get the next line.
|
|
|
9801 * Returns allocated string, or NULL for end of function.
|
|
|
9802 */
|
|
|
9803 /* ARGSUSED */
|
|
|
9804 char_u *
|
|
|
9805 get_func_line(c, cookie, indent)
|
|
|
9806 int c; /* not used */
|
|
|
9807 void *cookie;
|
|
|
9808 int indent; /* not used */
|
|
|
9809 {
|
|
|
9810 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9811 char_u *retval;
|
|
|
9812 garray_T *gap; /* growarray with function lines */
|
|
|
9813
|
|
|
9814 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
9815 if (fcp->dbg_tick != debug_tick)
|
|
|
9816 {
|
|
|
9817 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9818 sourcing_lnum);
|
|
|
9819 fcp->dbg_tick = debug_tick;
|
|
|
9820 }
|
|
|
9821
|
|
|
9822 gap = &fcp->func->lines;
|
|
|
9823 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9824 retval = NULL;
|
|
|
9825 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
9826 retval = NULL;
|
|
|
9827 else
|
|
|
9828 {
|
|
|
9829 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
9830 sourcing_lnum = fcp->linenr;
|
|
|
9831 }
|
|
|
9832
|
|
|
9833 /* Did we encounter a breakpoint? */
|
|
|
9834 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
9835 {
|
|
|
9836 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
9837 /* Find next breakpoint. */
|
|
|
9838 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9839 sourcing_lnum);
|
|
|
9840 fcp->dbg_tick = debug_tick;
|
|
|
9841 }
|
|
|
9842
|
|
|
9843 return retval;
|
|
|
9844 }
|
|
|
9845
|
|
|
9846 /*
|
|
|
9847 * Return TRUE if the currently active function should be ended, because a
|
|
|
9848 * return was encountered or an error occured. Used inside a ":while".
|
|
|
9849 */
|
|
|
9850 int
|
|
|
9851 func_has_ended(cookie)
|
|
|
9852 void *cookie;
|
|
|
9853 {
|
|
|
9854 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9855
|
|
|
9856 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
9857 * an error inside a try conditional. */
|
|
|
9858 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9859 || fcp->returned);
|
|
|
9860 }
|
|
|
9861
|
|
|
9862 /*
|
|
|
9863 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
9864 */
|
|
|
9865 int
|
|
|
9866 func_has_abort(cookie)
|
|
|
9867 void *cookie;
|
|
|
9868 {
|
|
|
9869 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
9870 }
|
|
|
9871
|
|
|
9872 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
9873 typedef enum
|
|
|
9874 {
|
|
|
9875 VAR_FLAVOUR_DEFAULT,
|
|
|
9876 VAR_FLAVOUR_SESSION,
|
|
|
9877 VAR_FLAVOUR_VIMINFO
|
|
|
9878 } var_flavour_T;
|
|
|
9879
|
|
|
9880 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
9881
|
|
|
9882 static var_flavour_T
|
|
|
9883 var_flavour(varname)
|
|
|
9884 char_u *varname;
|
|
|
9885 {
|
|
|
9886 char_u *p = varname;
|
|
|
9887
|
|
|
9888 if (ASCII_ISUPPER(*p))
|
|
|
9889 {
|
|
|
9890 while (*(++p))
|
|
|
9891 if (ASCII_ISLOWER(*p))
|
|
|
9892 return VAR_FLAVOUR_SESSION;
|
|
|
9893 return VAR_FLAVOUR_VIMINFO;
|
|
|
9894 }
|
|
|
9895 else
|
|
|
9896 return VAR_FLAVOUR_DEFAULT;
|
|
|
9897 }
|
|
|
9898 #endif
|
|
|
9899
|
|
|
9900 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
9901 /*
|
|
|
9902 * Restore global vars that start with a capital from the viminfo file
|
|
|
9903 */
|
|
|
9904 int
|
|
|
9905 read_viminfo_varlist(virp, writing)
|
|
|
9906 vir_T *virp;
|
|
|
9907 int writing;
|
|
|
9908 {
|
|
|
9909 char_u *tab;
|
|
|
9910 int is_string = FALSE;
|
|
|
9911 VAR varp = NULL;
|
|
|
9912 char_u *val;
|
|
|
9913
|
|
|
9914 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
9915 {
|
|
|
9916 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
9917 if (tab != NULL)
|
|
|
9918 {
|
|
|
9919 *tab++ = '\0'; /* isolate the variable name */
|
|
|
9920 if (*tab == 'S') /* string var */
|
|
|
9921 is_string = TRUE;
|
|
|
9922
|
|
|
9923 tab = vim_strchr(tab, '\t');
|
|
|
9924 if (tab != NULL)
|
|
|
9925 {
|
|
|
9926 /* create a nameless variable to hold the value */
|
|
|
9927 if (is_string)
|
|
|
9928 {
|
|
|
9929 val = viminfo_readstring(virp,
|
|
|
9930 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
9931 if (val != NULL)
|
|
|
9932 varp = alloc_string_var(val);
|
|
|
9933 }
|
|
|
9934 else
|
|
|
9935 {
|
|
|
9936 varp = alloc_var();
|
|
|
9937 if (varp != NULL)
|
|
|
9938 {
|
|
|
9939 varp->var_type = VAR_NUMBER;
|
|
|
9940 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
9941 }
|
|
|
9942 }
|
|
|
9943 /* assign the value to the variable */
|
|
|
9944 if (varp != NULL)
|
|
|
9945 {
|
|
|
9946 set_var(virp->vir_line + 1, varp);
|
|
|
9947 free_var(varp);
|
|
|
9948 }
|
|
|
9949 }
|
|
|
9950 }
|
|
|
9951 }
|
|
|
9952
|
|
|
9953 return viminfo_readline(virp);
|
|
|
9954 }
|
|
|
9955
|
|
|
9956 /*
|
|
|
9957 * Write global vars that start with a capital to the viminfo file
|
|
|
9958 */
|
|
|
9959 void
|
|
|
9960 write_viminfo_varlist(fp)
|
|
|
9961 FILE *fp;
|
|
|
9962 {
|
|
|
9963 garray_T *gap = &variables; /* global variable */
|
|
|
9964 VAR this_var;
|
|
|
9965 int i;
|
|
|
9966
|
|
|
9967 if (find_viminfo_parameter('!') == NULL)
|
|
|
9968 return;
|
|
|
9969
|
|
|
9970 fprintf(fp, _("\n# global variables:\n"));
|
|
|
9971 for (i = gap->ga_len; --i >= 0; )
|
|
|
9972 {
|
|
|
9973 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
9974 if (this_var->var_name != NULL
|
|
|
9975 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
9976 {
|
|
|
9977 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
9978 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
9979 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
9980 }
|
|
|
9981 }
|
|
|
9982 }
|
|
|
9983 #endif
|
|
|
9984
|
|
|
9985 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
9986 int
|
|
|
9987 store_session_globals(fd)
|
|
|
9988 FILE *fd;
|
|
|
9989 {
|
|
|
9990 garray_T *gap = &variables; /* global variable */
|
|
|
9991 VAR this_var;
|
|
|
9992 int i;
|
|
|
9993 char_u *p, *t;
|
|
|
9994
|
|
|
9995 for (i = gap->ga_len; --i >= 0; )
|
|
|
9996 {
|
|
|
9997 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
9998 if (this_var->var_name != NULL)
|
|
|
9999 {
|
|
|
10000 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10001 {
|
|
|
10002 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10003 * CR into \n and \r. */
|
|
|
10004 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10005 (char_u *)"\\\"\n\r");
|
|
|
10006 if (p == NULL) /* out of memory */
|
|
|
10007 continue;
|
|
|
10008 for (t = p; *t != NUL; ++t)
|
|
|
10009 if (*t == '\n')
|
|
|
10010 *t = 'n';
|
|
|
10011 else if (*t == '\r')
|
|
|
10012 *t = 'r';
|
|
|
10013 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10014 this_var->var_name,
|
|
|
10015 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10016 p,
|
|
|
10017 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10018 || put_eol(fd) == FAIL)
|
|
|
10019 {
|
|
|
10020 vim_free(p);
|
|
|
10021 return FAIL;
|
|
|
10022 }
|
|
|
10023 vim_free(p);
|
|
|
10024 }
|
|
|
10025
|
|
|
10026 }
|
|
|
10027 }
|
|
|
10028 return OK;
|
|
|
10029 }
|
|
|
10030 #endif
|
|
|
10031
|
|
|
10032 #endif /* FEAT_EVAL */
|
|
|
10033
|
|
|
10034 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10035
|
|
|
10036
|
|
|
10037 #ifdef WIN3264
|
|
|
10038 /*
|
|
|
10039 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10040 */
|
|
|
10041 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10042 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10043 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10044
|
|
|
10045 /*
|
|
|
10046 * Get the short pathname of a file.
|
|
|
10047 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10048 */
|
|
|
10049 static int
|
|
|
10050 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10051 char_u **fnamep;
|
|
|
10052 char_u **bufp;
|
|
|
10053 int *fnamelen;
|
|
|
10054 {
|
|
|
10055 int l,len;
|
|
|
10056 char_u *newbuf;
|
|
|
10057
|
|
|
10058 len = *fnamelen;
|
|
|
10059
|
|
|
10060 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10061 if (l > len - 1)
|
|
|
10062 {
|
|
|
10063 /* If that doesn't work (not enough space), then save the string
|
|
|
10064 * and try again with a new buffer big enough
|
|
|
10065 */
|
|
|
10066 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10067 if (newbuf == NULL)
|
|
|
10068 return 0;
|
|
|
10069
|
|
|
10070 vim_free(*bufp);
|
|
|
10071 *fnamep = *bufp = newbuf;
|
|
|
10072
|
|
|
10073 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10074
|
|
|
10075 /* Really should always succeed, as the buffer is big enough */
|
|
|
10076 }
|
|
|
10077
|
|
|
10078 *fnamelen = l;
|
|
|
10079 return 1;
|
|
|
10080 }
|
|
|
10081
|
|
|
10082 /*
|
|
|
10083 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10084 * Doesn't copy over the end of the buffer passed in.
|
|
|
10085 */
|
|
|
10086 static int
|
|
|
10087 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10088 char_u **fname;
|
|
|
10089 char_u **bufp;
|
|
|
10090 int *fnamelen;
|
|
|
10091 {
|
|
|
10092 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10093 char_u ch;
|
|
|
10094 int l,len,len2,plen,slen;
|
|
|
10095
|
|
|
10096 /* Make a copy */
|
|
|
10097 len2 = *fnamelen;
|
|
|
10098 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10099 pbuf3 = NULL;
|
|
|
10100
|
|
|
10101 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10102 slen = 1;
|
|
|
10103 plen = len2;
|
|
|
10104
|
|
|
10105 l = 0;
|
|
|
10106 if (vim_ispathsep(*s))
|
|
|
10107 {
|
|
|
10108 --s;
|
|
|
10109 ++slen;
|
|
|
10110 --plen;
|
|
|
10111 }
|
|
|
10112
|
|
|
10113 do
|
|
|
10114 {
|
|
|
10115 /* Go back one path-seperator */
|
|
|
10116 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10117 {
|
|
|
10118 --s;
|
|
|
10119 ++slen;
|
|
|
10120 --plen;
|
|
|
10121 }
|
|
|
10122 if (s <= pbuf2)
|
|
|
10123 break;
|
|
|
10124
|
|
|
10125 /* Remeber the character that is about to be blatted */
|
|
|
10126 ch = *s;
|
|
|
10127 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10128
|
|
|
10129 /* Try it in situ */
|
|
|
10130 p = pbuf2;
|
|
|
10131 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10132 {
|
|
|
10133 vim_free(pbuf2);
|
|
|
10134 return -1;
|
|
|
10135 }
|
|
|
10136 *s = ch; /* Preserve the string */
|
|
|
10137 } while (plen == 0);
|
|
|
10138
|
|
|
10139 if (plen > 0)
|
|
|
10140 {
|
|
|
10141 /* Remeber the length of the new string. */
|
|
|
10142 *fnamelen = len = plen + slen;
|
|
|
10143 vim_free(*bufp);
|
|
|
10144 if (len > len2)
|
|
|
10145 {
|
|
|
10146 /* If there's not enough space in the currently allocated string,
|
|
|
10147 * then copy it to a buffer big enough.
|
|
|
10148 */
|
|
|
10149 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10150 if (*fname == NULL)
|
|
|
10151 return -1;
|
|
|
10152 }
|
|
|
10153 else
|
|
|
10154 {
|
|
|
10155 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10156 *fname = *bufp = pbuf2;
|
|
|
10157 if (p != pbuf2)
|
|
|
10158 strncpy(*fname, p, plen);
|
|
|
10159 pbuf2 = NULL;
|
|
|
10160 }
|
|
|
10161 /* Concat the next bit */
|
|
|
10162 strncpy(*fname + plen, s, slen);
|
|
|
10163 (*fname)[len] = '\0';
|
|
|
10164 }
|
|
|
10165 vim_free(pbuf3);
|
|
|
10166 vim_free(pbuf2);
|
|
|
10167 return 0;
|
|
|
10168 }
|
|
|
10169
|
|
|
10170 /*
|
|
|
10171 * Get a pathname for a partial path.
|
|
|
10172 */
|
|
|
10173 static int
|
|
|
10174 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10175 char_u **fnamep;
|
|
|
10176 char_u **bufp;
|
|
|
10177 int *fnamelen;
|
|
|
10178 {
|
|
|
10179 int sepcount, len, tflen;
|
|
|
10180 char_u *p;
|
|
|
10181 char_u *pbuf, *tfname;
|
|
|
10182 int hasTilde;
|
|
|
10183
|
|
|
10184 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10185 * of the path to return.
|
|
|
10186 */
|
|
|
10187 sepcount = 0;
|
|
|
10188 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10189 if (vim_ispathsep(*p))
|
|
|
10190 ++sepcount;
|
|
|
10191
|
|
|
10192 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10193 hasTilde = (**fnamep == '~');
|
|
|
10194 if (hasTilde)
|
|
|
10195 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10196 else
|
|
|
10197 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10198
|
|
|
10199 len = tflen = STRLEN(tfname);
|
|
|
10200
|
|
|
10201 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10202 return -1;
|
|
|
10203
|
|
|
10204 if (len == 0)
|
|
|
10205 {
|
|
|
10206 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10207 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10208 * there's not a lot of point in guessing what it might be.
|
|
|
10209 */
|
|
|
10210 len = tflen;
|
|
|
10211 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10212 return -1;
|
|
|
10213 }
|
|
|
10214
|
|
|
10215 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10216 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10217 if (vim_ispathsep(*p))
|
|
|
10218 {
|
|
|
10219 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10220 break;
|
|
|
10221 else
|
|
|
10222 sepcount --;
|
|
|
10223 }
|
|
|
10224 if (hasTilde)
|
|
|
10225 {
|
|
|
10226 --p;
|
|
|
10227 if (p >= tfname)
|
|
|
10228 *p = '~';
|
|
|
10229 else
|
|
|
10230 return -1;
|
|
|
10231 }
|
|
|
10232 else
|
|
|
10233 ++p;
|
|
|
10234
|
|
|
10235 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10236 vim_free(*bufp);
|
|
|
10237 *fnamelen = (int)STRLEN(p);
|
|
|
10238 *bufp = pbuf;
|
|
|
10239 *fnamep = p;
|
|
|
10240
|
|
|
10241 return 0;
|
|
|
10242 }
|
|
|
10243 #endif /* WIN3264 */
|
|
|
10244
|
|
|
10245 /*
|
|
|
10246 * Adjust a filename, according to a string of modifiers.
|
|
|
10247 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10248 * determined by *fnamelen.
|
|
|
10249 * Returns valid flags.
|
|
|
10250 * When there is an error, *fnamep is set to NULL.
|
|
|
10251 */
|
|
|
10252 int
|
|
|
10253 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10254 char_u *src; /* string with modifiers */
|
|
|
10255 int *usedlen; /* characters after src that are used */
|
|
|
10256 char_u **fnamep; /* file name so far */
|
|
|
10257 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10258 int *fnamelen; /* length of fnamep */
|
|
|
10259 {
|
|
|
10260 int valid = 0;
|
|
|
10261 char_u *tail;
|
|
|
10262 char_u *s, *p, *pbuf;
|
|
|
10263 char_u dirname[MAXPATHL];
|
|
|
10264 int c;
|
|
|
10265 int has_fullname = 0;
|
|
|
10266 #ifdef WIN3264
|
|
|
10267 int has_shortname = 0;
|
|
|
10268 #endif
|
|
|
10269
|
|
|
10270 repeat:
|
|
|
10271 /* ":p" - full path/file_name */
|
|
|
10272 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10273 {
|
|
|
10274 has_fullname = 1;
|
|
|
10275
|
|
|
10276 valid |= VALID_PATH;
|
|
|
10277 *usedlen += 2;
|
|
|
10278
|
|
|
10279 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10280 if ((*fnamep)[0] == '~'
|
|
|
10281 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10282 && ((*fnamep)[1] == '/'
|
|
|
10283 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10284 || (*fnamep)[1] == '\\'
|
|
|
10285 # endif
|
|
|
10286 || (*fnamep)[1] == NUL)
|
|
|
10287
|
|
|
10288 #endif
|
|
|
10289 )
|
|
|
10290 {
|
|
|
10291 *fnamep = expand_env_save(*fnamep);
|
|
|
10292 vim_free(*bufp); /* free any allocated file name */
|
|
|
10293 *bufp = *fnamep;
|
|
|
10294 if (*fnamep == NULL)
|
|
|
10295 return -1;
|
|
|
10296 }
|
|
|
10297
|
|
|
10298 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
10299 for (p = *fnamep; *p != NUL; ++p)
|
|
|
10300 {
|
|
|
10301 if (vim_ispathsep(*p)
|
|
|
10302 && p[1] == '.'
|
|
|
10303 && (p[2] == NUL
|
|
|
10304 || vim_ispathsep(p[2])
|
|
|
10305 || (p[2] == '.'
|
|
|
10306 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
10307 break;
|
|
|
10308 }
|
|
|
10309
|
|
|
10310 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
10311 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
10312 {
|
|
|
10313 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
10314 vim_free(*bufp); /* free any allocated file name */
|
|
|
10315 *bufp = *fnamep;
|
|
|
10316 if (*fnamep == NULL)
|
|
|
10317 return -1;
|
|
|
10318 }
|
|
|
10319
|
|
|
10320 /* Append a path separator to a directory. */
|
|
|
10321 if (mch_isdir(*fnamep))
|
|
|
10322 {
|
|
|
10323 /* Make room for one or two extra characters. */
|
|
|
10324 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
10325 vim_free(*bufp); /* free any allocated file name */
|
|
|
10326 *bufp = *fnamep;
|
|
|
10327 if (*fnamep == NULL)
|
|
|
10328 return -1;
|
|
|
10329 add_pathsep(*fnamep);
|
|
|
10330 }
|
|
|
10331 }
|
|
|
10332
|
|
|
10333 /* ":." - path relative to the current directory */
|
|
|
10334 /* ":~" - path relative to the home directory */
|
|
|
10335 /* ":8" - shortname path - postponed till after */
|
|
|
10336 while (src[*usedlen] == ':'
|
|
|
10337 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
10338 {
|
|
|
10339 *usedlen += 2;
|
|
|
10340 if (c == '8')
|
|
|
10341 {
|
|
|
10342 #ifdef WIN3264
|
|
|
10343 has_shortname = 1; /* Postpone this. */
|
|
|
10344 #endif
|
|
|
10345 continue;
|
|
|
10346 }
|
|
|
10347 pbuf = NULL;
|
|
|
10348 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10349 if (!has_fullname)
|
|
|
10350 {
|
|
|
10351 if (c == '.' && **fnamep == '~')
|
|
|
10352 p = pbuf = expand_env_save(*fnamep);
|
|
|
10353 else
|
|
|
10354 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
10355 }
|
|
|
10356 else
|
|
|
10357 p = *fnamep;
|
|
|
10358
|
|
|
10359 has_fullname = 0;
|
|
|
10360
|
|
|
10361 if (p != NULL)
|
|
|
10362 {
|
|
|
10363 if (c == '.')
|
|
|
10364 {
|
|
|
10365 mch_dirname(dirname, MAXPATHL);
|
|
|
10366 s = shorten_fname(p, dirname);
|
|
|
10367 if (s != NULL)
|
|
|
10368 {
|
|
|
10369 *fnamep = s;
|
|
|
10370 if (pbuf != NULL)
|
|
|
10371 {
|
|
|
10372 vim_free(*bufp); /* free any allocated file name */
|
|
|
10373 *bufp = pbuf;
|
|
|
10374 pbuf = NULL;
|
|
|
10375 }
|
|
|
10376 }
|
|
|
10377 }
|
|
|
10378 else
|
|
|
10379 {
|
|
|
10380 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
10381 /* Only replace it when it starts with '~' */
|
|
|
10382 if (*dirname == '~')
|
|
|
10383 {
|
|
|
10384 s = vim_strsave(dirname);
|
|
|
10385 if (s != NULL)
|
|
|
10386 {
|
|
|
10387 *fnamep = s;
|
|
|
10388 vim_free(*bufp);
|
|
|
10389 *bufp = s;
|
|
|
10390 }
|
|
|
10391 }
|
|
|
10392 }
|
|
|
10393 vim_free(pbuf);
|
|
|
10394 }
|
|
|
10395 }
|
|
|
10396
|
|
|
10397 tail = gettail(*fnamep);
|
|
|
10398 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
10399
|
|
|
10400 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
10401 /* Don't remove the first "/" or "c:\" */
|
|
|
10402 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
10403 {
|
|
|
10404 valid |= VALID_HEAD;
|
|
|
10405 *usedlen += 2;
|
|
|
10406 s = get_past_head(*fnamep);
|
|
|
10407 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
10408 --tail;
|
|
|
10409 *fnamelen = (int)(tail - *fnamep);
|
|
|
10410 #ifdef VMS
|
|
|
10411 if (*fnamelen > 0)
|
|
|
10412 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
10413 #endif
|
|
|
10414 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
10415 --tail;
|
|
|
10416 }
|
|
|
10417
|
|
|
10418 /* ":8" - shortname */
|
|
|
10419 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
10420 {
|
|
|
10421 *usedlen += 2;
|
|
|
10422 #ifdef WIN3264
|
|
|
10423 has_shortname = 1;
|
|
|
10424 #endif
|
|
|
10425 }
|
|
|
10426
|
|
|
10427 #ifdef WIN3264
|
|
|
10428 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
10429 */
|
|
|
10430 if (has_shortname)
|
|
|
10431 {
|
|
|
10432 pbuf = NULL;
|
|
|
10433 /* Copy the string if it is shortened by :h */
|
|
|
10434 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
10435 {
|
|
|
10436 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10437 if (p == 0)
|
|
|
10438 return -1;
|
|
|
10439 vim_free(*bufp);
|
|
|
10440 *bufp = *fnamep = p;
|
|
|
10441 }
|
|
|
10442
|
|
|
10443 /* Split into two implementations - makes it easier. First is where
|
|
|
10444 * there isn't a full name already, second is where there is.
|
|
|
10445 */
|
|
|
10446 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
10447 {
|
|
|
10448 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
10449 return -1;
|
|
|
10450 }
|
|
|
10451 else
|
|
|
10452 {
|
|
|
10453 int l;
|
|
|
10454
|
|
|
10455 /* Simple case, already have the full-name
|
|
|
10456 * Nearly always shorter, so try first time. */
|
|
|
10457 l = *fnamelen;
|
|
|
10458 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
10459 return -1;
|
|
|
10460
|
|
|
10461 if (l == 0)
|
|
|
10462 {
|
|
|
10463 /* Couldn't find the filename.. search the paths.
|
|
|
10464 */
|
|
|
10465 l = *fnamelen;
|
|
|
10466 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
10467 return -1;
|
|
|
10468 }
|
|
|
10469 *fnamelen = l;
|
|
|
10470 }
|
|
|
10471 }
|
|
|
10472 #endif /* WIN3264 */
|
|
|
10473
|
|
|
10474 /* ":t" - tail, just the basename */
|
|
|
10475 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
10476 {
|
|
|
10477 *usedlen += 2;
|
|
|
10478 *fnamelen -= (int)(tail - *fnamep);
|
|
|
10479 *fnamep = tail;
|
|
|
10480 }
|
|
|
10481
|
|
|
10482 /* ":e" - extension, can be repeated */
|
|
|
10483 /* ":r" - root, without extension, can be repeated */
|
|
|
10484 while (src[*usedlen] == ':'
|
|
|
10485 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
10486 {
|
|
|
10487 /* find a '.' in the tail:
|
|
|
10488 * - for second :e: before the current fname
|
|
|
10489 * - otherwise: The last '.'
|
|
|
10490 */
|
|
|
10491 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
10492 s = *fnamep - 2;
|
|
|
10493 else
|
|
|
10494 s = *fnamep + *fnamelen - 1;
|
|
|
10495 for ( ; s > tail; --s)
|
|
|
10496 if (s[0] == '.')
|
|
|
10497 break;
|
|
|
10498 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
10499 {
|
|
|
10500 if (s > tail)
|
|
|
10501 {
|
|
|
10502 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
10503 *fnamep = s + 1;
|
|
|
10504 #ifdef VMS
|
|
|
10505 /* cut version from the extension */
|
|
|
10506 s = *fnamep + *fnamelen - 1;
|
|
|
10507 for ( ; s > *fnamep; --s)
|
|
|
10508 if (s[0] == ';')
|
|
|
10509 break;
|
|
|
10510 if (s > *fnamep)
|
|
|
10511 *fnamelen = s - *fnamep;
|
|
|
10512 #endif
|
|
|
10513 }
|
|
|
10514 else if (*fnamep <= tail)
|
|
|
10515 *fnamelen = 0;
|
|
|
10516 }
|
|
|
10517 else /* :r */
|
|
|
10518 {
|
|
|
10519 if (s > tail) /* remove one extension */
|
|
|
10520 *fnamelen = (int)(s - *fnamep);
|
|
|
10521 }
|
|
|
10522 *usedlen += 2;
|
|
|
10523 }
|
|
|
10524
|
|
|
10525 /* ":s?pat?foo?" - substitute */
|
|
|
10526 /* ":gs?pat?foo?" - global substitute */
|
|
|
10527 if (src[*usedlen] == ':'
|
|
|
10528 && (src[*usedlen + 1] == 's'
|
|
|
10529 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
10530 {
|
|
|
10531 char_u *str;
|
|
|
10532 char_u *pat;
|
|
|
10533 char_u *sub;
|
|
|
10534 int sep;
|
|
|
10535 char_u *flags;
|
|
|
10536 int didit = FALSE;
|
|
|
10537
|
|
|
10538 flags = (char_u *)"";
|
|
|
10539 s = src + *usedlen + 2;
|
|
|
10540 if (src[*usedlen + 1] == 'g')
|
|
|
10541 {
|
|
|
10542 flags = (char_u *)"g";
|
|
|
10543 ++s;
|
|
|
10544 }
|
|
|
10545
|
|
|
10546 sep = *s++;
|
|
|
10547 if (sep)
|
|
|
10548 {
|
|
|
10549 /* find end of pattern */
|
|
|
10550 p = vim_strchr(s, sep);
|
|
|
10551 if (p != NULL)
|
|
|
10552 {
|
|
|
10553 pat = vim_strnsave(s, (int)(p - s));
|
|
|
10554 if (pat != NULL)
|
|
|
10555 {
|
|
|
10556 s = p + 1;
|
|
|
10557 /* find end of substitution */
|
|
|
10558 p = vim_strchr(s, sep);
|
|
|
10559 if (p != NULL)
|
|
|
10560 {
|
|
|
10561 sub = vim_strnsave(s, (int)(p - s));
|
|
|
10562 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10563 if (sub != NULL && str != NULL)
|
|
|
10564 {
|
|
|
10565 *usedlen = (int)(p + 1 - src);
|
|
|
10566 s = do_string_sub(str, pat, sub, flags);
|
|
|
10567 if (s != NULL)
|
|
|
10568 {
|
|
|
10569 *fnamep = s;
|
|
|
10570 *fnamelen = (int)STRLEN(s);
|
|
|
10571 vim_free(*bufp);
|
|
|
10572 *bufp = s;
|
|
|
10573 didit = TRUE;
|
|
|
10574 }
|
|
|
10575 }
|
|
|
10576 vim_free(sub);
|
|
|
10577 vim_free(str);
|
|
|
10578 }
|
|
|
10579 vim_free(pat);
|
|
|
10580 }
|
|
|
10581 }
|
|
|
10582 /* after using ":s", repeat all the modifiers */
|
|
|
10583 if (didit)
|
|
|
10584 goto repeat;
|
|
|
10585 }
|
|
|
10586 }
|
|
|
10587
|
|
|
10588 return valid;
|
|
|
10589 }
|
|
|
10590
|
|
|
10591 /*
|
|
|
10592 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
10593 * "flags" can be "g" to do a global substitute.
|
|
|
10594 * Returns an allocated string, NULL for error.
|
|
|
10595 */
|
|
|
10596 char_u *
|
|
|
10597 do_string_sub(str, pat, sub, flags)
|
|
|
10598 char_u *str;
|
|
|
10599 char_u *pat;
|
|
|
10600 char_u *sub;
|
|
|
10601 char_u *flags;
|
|
|
10602 {
|
|
|
10603 int sublen;
|
|
|
10604 regmatch_T regmatch;
|
|
|
10605 int i;
|
|
|
10606 int do_all;
|
|
|
10607 char_u *tail;
|
|
|
10608 garray_T ga;
|
|
|
10609 char_u *ret;
|
|
|
10610 char_u *save_cpo;
|
|
|
10611
|
|
|
10612 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
10613 save_cpo = p_cpo;
|
|
|
10614 p_cpo = (char_u *)"";
|
|
|
10615
|
|
|
10616 ga_init2(&ga, 1, 200);
|
|
|
10617
|
|
|
10618 do_all = (flags[0] == 'g');
|
|
|
10619
|
|
|
10620 regmatch.rm_ic = p_ic;
|
|
|
10621 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
10622 if (regmatch.regprog != NULL)
|
|
|
10623 {
|
|
|
10624 tail = str;
|
|
|
10625 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
10626 {
|
|
|
10627 /*
|
|
|
10628 * Get some space for a temporary buffer to do the substitution
|
|
|
10629 * into. It will contain:
|
|
|
10630 * - The text up to where the match is.
|
|
|
10631 * - The substituted text.
|
|
|
10632 * - The text after the match.
|
|
|
10633 */
|
|
|
10634 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
10635 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
10636 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
10637 {
|
|
|
10638 ga_clear(&ga);
|
|
|
10639 break;
|
|
|
10640 }
|
|
|
10641
|
|
|
10642 /* copy the text up to where the match is */
|
|
|
10643 i = (int)(regmatch.startp[0] - tail);
|
|
|
10644 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
10645 /* add the substituted text */
|
|
|
10646 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
10647 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
10648 ga.ga_len += i + sublen - 1;
|
|
|
10649 ga.ga_room -= i + sublen - 1;
|
|
|
10650 /* avoid getting stuck on a match with an empty string */
|
|
|
10651 if (tail == regmatch.endp[0])
|
|
|
10652 {
|
|
|
10653 if (*tail == NUL)
|
|
|
10654 break;
|
|
|
10655 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
10656 ++ga.ga_len;
|
|
|
10657 --ga.ga_room;
|
|
|
10658 }
|
|
|
10659 else
|
|
|
10660 {
|
|
|
10661 tail = regmatch.endp[0];
|
|
|
10662 if (*tail == NUL)
|
|
|
10663 break;
|
|
|
10664 }
|
|
|
10665 if (!do_all)
|
|
|
10666 break;
|
|
|
10667 }
|
|
|
10668
|
|
|
10669 if (ga.ga_data != NULL)
|
|
|
10670 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
10671
|
|
|
10672 vim_free(regmatch.regprog);
|
|
|
10673 }
|
|
|
10674
|
|
|
10675 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
10676 ga_clear(&ga);
|
|
|
10677 p_cpo = save_cpo;
|
|
|
10678
|
|
|
10679 return ret;
|
|
|
10680 }
|
|
|
10681
|
|
|
10682 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
