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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 /*
|
|
9
|
602 * Skip over an expression at "*pp".
|
|
|
603 * Return FAIL for an error, OK otherwise.
|
|
|
604 */
|
|
|
605 int
|
|
|
606 skip_expr(pp)
|
|
|
607 char_u **pp;
|
|
|
608 {
|
|
|
609 var retvar;
|
|
|
610
|
|
|
611 *pp = skipwhite(*pp);
|
|
|
612 return eval1(pp, &retvar, FALSE);
|
|
|
613 }
|
|
|
614
|
|
|
615 /*
|
|
7
|
616 * Top level evaluation function, returning a string.
|
|
|
617 * Return pointer to allocated memory, or NULL for failure.
|
|
|
618 */
|
|
|
619 char_u *
|
|
|
620 eval_to_string(arg, nextcmd)
|
|
|
621 char_u *arg;
|
|
|
622 char_u **nextcmd;
|
|
|
623 {
|
|
|
624 var retvar;
|
|
|
625 char_u *retval;
|
|
|
626
|
|
|
627 if (eval0(arg, &retvar, nextcmd, TRUE) == FAIL)
|
|
|
628 retval = NULL;
|
|
|
629 else
|
|
|
630 {
|
|
|
631 retval = vim_strsave(get_var_string(&retvar));
|
|
|
632 clear_var(&retvar);
|
|
|
633 }
|
|
|
634
|
|
|
635 return retval;
|
|
|
636 }
|
|
|
637
|
|
|
638 /*
|
|
|
639 * Call eval_to_string() with "sandbox" set and not using local variables.
|
|
|
640 */
|
|
|
641 char_u *
|
|
|
642 eval_to_string_safe(arg, nextcmd)
|
|
|
643 char_u *arg;
|
|
|
644 char_u **nextcmd;
|
|
|
645 {
|
|
|
646 char_u *retval;
|
|
|
647 void *save_funccalp;
|
|
|
648
|
|
|
649 save_funccalp = save_funccal();
|
|
|
650 ++sandbox;
|
|
|
651 retval = eval_to_string(arg, nextcmd);
|
|
|
652 --sandbox;
|
|
|
653 restore_funccal(save_funccalp);
|
|
|
654 return retval;
|
|
|
655 }
|
|
|
656
|
|
|
657 #if 0 /* not used */
|
|
|
658 /*
|
|
|
659 * Top level evaluation function, returning a string.
|
|
|
660 * Advances "arg" to the first non-blank after the evaluated expression.
|
|
|
661 * Return pointer to allocated memory, or NULL for failure.
|
|
|
662 * Doesn't give error messages.
|
|
|
663 */
|
|
|
664 char_u *
|
|
|
665 eval_arg_to_string(arg)
|
|
|
666 char_u **arg;
|
|
|
667 {
|
|
|
668 var retvar;
|
|
|
669 char_u *retval;
|
|
|
670 int ret;
|
|
|
671
|
|
|
672 ++emsg_off;
|
|
|
673
|
|
|
674 ret = eval1(arg, &retvar, TRUE);
|
|
|
675 if (ret == FAIL)
|
|
|
676 retval = NULL;
|
|
|
677 else
|
|
|
678 {
|
|
|
679 retval = vim_strsave(get_var_string(&retvar));
|
|
|
680 clear_var(&retvar);
|
|
|
681 }
|
|
|
682
|
|
|
683 --emsg_off;
|
|
|
684
|
|
|
685 return retval;
|
|
|
686 }
|
|
|
687 #endif
|
|
|
688
|
|
|
689 /*
|
|
|
690 * Top level evaluation function, returning a number.
|
|
|
691 * Evaluates "expr" silently.
|
|
|
692 * Returns -1 for an error.
|
|
|
693 */
|
|
|
694 int
|
|
|
695 eval_to_number(expr)
|
|
|
696 char_u *expr;
|
|
|
697 {
|
|
|
698 var retvar;
|
|
|
699 int retval;
|
|
|
700 char_u *p = expr;
|
|
|
701
|
|
|
702 ++emsg_off;
|
|
|
703
|
|
|
704 if (eval1(&p, &retvar, TRUE) == FAIL)
|
|
|
705 retval = -1;
|
|
|
706 else
|
|
|
707 {
|
|
|
708 retval = get_var_number(&retvar);
|
|
|
709 clear_var(&retvar);
|
|
|
710 }
|
|
|
711 --emsg_off;
|
|
|
712
|
|
|
713 return retval;
|
|
|
714 }
|
|
|
715
|
|
|
716 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
|
|
|
717 /*
|
|
|
718 * Call some vimL function and return the result as a string
|
|
|
719 * Uses argv[argc] for the function arguments.
|
|
|
720 */
|
|
|
721 char_u *
|
|
|
722 call_vim_function(func, argc, argv, safe)
|
|
|
723 char_u *func;
|
|
|
724 int argc;
|
|
|
725 char_u **argv;
|
|
|
726 int safe; /* use the sandbox */
|
|
|
727 {
|
|
|
728 char_u *retval = NULL;
|
|
|
729 var retvar;
|
|
|
730 VAR argvars;
|
|
|
731 long n;
|
|
|
732 int len;
|
|
|
733 int i;
|
|
|
734 int doesrange;
|
|
|
735 void *save_funccalp = NULL;
|
|
|
736
|
|
|
737 argvars = (VAR)alloc((unsigned)(argc * sizeof(var)));
|
|
|
738 if (argvars == NULL)
|
|
|
739 return NULL;
|
|
|
740
|
|
|
741 for (i = 0; i < argc; i++)
|
|
|
742 {
|
|
|
743 /* Recognize a number argument, the others must be strings. */
|
|
|
744 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
745 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
746 {
|
|
|
747 argvars[i].var_type = VAR_NUMBER;
|
|
|
748 argvars[i].var_val.var_number = n;
|
|
|
749 }
|
|
|
750 else
|
|
|
751 {
|
|
|
752 argvars[i].var_type = VAR_STRING;
|
|
|
753 argvars[i].var_val.var_string = argv[i];
|
|
|
754 }
|
|
|
755 }
|
|
|
756
|
|
|
757 if (safe)
|
|
|
758 {
|
|
|
759 save_funccalp = save_funccal();
|
|
|
760 ++sandbox;
|
|
|
761 }
|
|
|
762
|
|
|
763 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
764 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
765 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
766 &doesrange, TRUE) == OK)
|
|
|
767 retval = vim_strsave(get_var_string(&retvar));
|
|
|
768
|
|
|
769 clear_var(&retvar);
|
|
|
770 vim_free(argvars);
|
|
|
771
|
|
|
772 if (safe)
|
|
|
773 {
|
|
|
774 --sandbox;
|
|
|
775 restore_funccal(save_funccalp);
|
|
|
776 }
|
|
|
777 return retval;
|
|
|
778 }
|
|
|
779 #endif
|
|
|
780
|
|
|
781 /*
|
|
|
782 * Save the current function call pointer, and set it to NULL.
|
|
|
783 * Used when executing autocommands and for ":source".
|
|
|
784 */
|
|
|
785 void *
|
|
|
786 save_funccal()
|
|
|
787 {
|
|
|
788 struct funccall *fc;
|
|
|
789
|
|
|
790 fc = current_funccal;
|
|
|
791 current_funccal = NULL;
|
|
|
792 return (void *)fc;
|
|
|
793 }
|
|
|
794
|
|
|
795 void
|
|
|
796 restore_funccal(fc)
|
|
|
797 void *fc;
|
|
|
798 {
|
|
|
799 current_funccal = (struct funccall *)fc;
|
|
|
800 }
|
|
|
801
|
|
|
802 #ifdef FEAT_FOLDING
|
|
|
803 /*
|
|
|
804 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
805 * it in "*cp". Doesn't give error messages.
|
|
|
806 */
|
|
|
807 int
|
|
|
808 eval_foldexpr(arg, cp)
|
|
|
809 char_u *arg;
|
|
|
810 int *cp;
|
|
|
811 {
|
|
|
812 var retvar;
|
|
|
813 int retval;
|
|
|
814 char_u *s;
|
|
|
815
|
|
|
816 ++emsg_off;
|
|
|
817 ++sandbox;
|
|
|
818 *cp = NUL;
|
|
|
819 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
820 retval = 0;
|
|
|
821 else
|
|
|
822 {
|
|
|
823 /* If the result is a number, just return the number. */
|
|
|
824 if (retvar.var_type == VAR_NUMBER)
|
|
|
825 retval = retvar.var_val.var_number;
|
|
|
826 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
827 || retvar.var_val.var_string == NULL)
|
|
|
828 retval = 0;
|
|
|
829 else
|
|
|
830 {
|
|
|
831 /* If the result is a string, check if there is a non-digit before
|
|
|
832 * the number. */
|
|
|
833 s = retvar.var_val.var_string;
|
|
|
834 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
835 *cp = *s++;
|
|
|
836 retval = atol((char *)s);
|
|
|
837 }
|
|
|
838 clear_var(&retvar);
|
|
|
839 }
|
|
|
840 --emsg_off;
|
|
|
841 --sandbox;
|
|
|
842
|
|
|
843 return retval;
|
|
|
844 }
|
|
|
845 #endif
|
|
|
846
|
|
|
847 #ifdef FEAT_MAGIC_BRACES
|
|
|
848 /*
|
|
|
849 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
850 * Note that this can call itself recursively, to deal with
|
|
|
851 * constructs like foo{bar}{baz}{bam}
|
|
|
852 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
853 * "in_start" ^
|
|
|
854 * "expr_start" ^
|
|
|
855 * "expr_end" ^
|
|
|
856 * "in_end" ^
|
|
|
857 *
|
|
|
858 * Returns a new allocated string, which the caller must free.
|
|
|
859 * Returns NULL for failure.
|
|
|
860 */
|
|
|
861 static char_u *
|
|
|
862 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
863 char_u *in_start;
|
|
|
864 char_u *expr_start;
|
|
|
865 char_u *expr_end;
|
|
|
866 char_u *in_end;
|
|
|
867 {
|
|
|
868 char_u c1;
|
|
|
869 char_u *retval = NULL;
|
|
|
870 char_u *temp_result;
|
|
|
871 char_u *nextcmd = NULL;
|
|
|
872
|
|
|
873 if (expr_end == NULL || in_end == NULL)
|
|
|
874 return NULL;
|
|
|
875 *expr_start = NUL;
|
|
|
876 *expr_end = NUL;
|
|
|
877 c1 = *in_end;
|
|
|
878 *in_end = NUL;
|
|
|
879
|
|
|
880 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
881 if (temp_result != NULL && nextcmd == NULL)
|
|
|
882 {
|
|
|
883 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
884 + (in_end - expr_end) + 1));
|
|
|
885
|
|
|
886 if (retval != NULL)
|
|
|
887 {
|
|
|
888 STRCPY(retval, in_start);
|
|
|
889 STRCAT(retval, temp_result);
|
|
|
890 STRCAT(retval, expr_end + 1);
|
|
|
891 }
|
|
|
892 }
|
|
|
893 vim_free(temp_result);
|
|
|
894
|
|
|
895 *in_end = c1; /* put char back for error messages */
|
|
|
896 *expr_start = '{';
|
|
|
897 *expr_end = '}';
|
|
|
898
|
|
|
899 if (retval != NULL)
|
|
|
900 {
|
|
|
901 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
902 if (expr_start != NULL)
|
|
|
903 {
|
|
|
904 /* Further expansion! */
|
|
|
905 temp_result = make_expanded_name(retval, expr_start,
|
|
|
906 expr_end, temp_result);
|
|
|
907 vim_free(retval);
|
|
|
908 retval = temp_result;
|
|
|
909 }
|
|
|
910 }
|
|
|
911
|
|
|
912 return retval;
|
|
|
913
|
|
|
914 }
|
|
|
915 #endif /* FEAT_MAGIC_BRACES */
|
|
|
916
|
|
|
917 /*
|
|
|
918 * ":let var = expr" assignment command.
|
|
|
919 * ":let var" list one variable value
|
|
|
920 * ":let" list all variable values
|
|
|
921 */
|
|
|
922 void
|
|
|
923 ex_let(eap)
|
|
|
924 exarg_T *eap;
|
|
|
925 {
|
|
|
926 char_u *arg = eap->arg;
|
|
|
927 char_u *expr;
|
|
|
928 char_u *name;
|
|
|
929 VAR varp;
|
|
|
930 var retvar;
|
|
|
931 char_u *p;
|
|
|
932 int c1 = 0, c2;
|
|
|
933 int i;
|
|
|
934 char_u *expr_start;
|
|
|
935 char_u *expr_end;
|
|
|
936 char_u *name_end;
|
|
|
937
|
|
|
938 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
939 expr = vim_strchr(name_end, '=');
|
|
|
940 if (expr == NULL)
|
|
|
941 {
|
|
|
942 if (ends_excmd(*arg))
|
|
|
943 {
|
|
|
944 if (!eap->skip)
|
|
|
945 {
|
|
|
946 /*
|
|
|
947 * List all variables.
|
|
|
948 */
|
|
|
949 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
950 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
951 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
952 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
953 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
954 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
955 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
956 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
957 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
958 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
959 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
960 list_vim_var(i);
|
|
|
961 }
|
|
|
962 }
|
|
|
963 else
|
|
|
964 {
|
|
|
965 int error = FALSE;
|
|
|
966
|
|
|
967 /*
|
|
|
968 * List variables.
|
|
|
969 */
|
|
|
970 while (!ends_excmd(*arg) && !got_int)
|
|
|
971 {
|
|
|
972 char_u *temp_string = NULL;
|
|
|
973 int arg_len;
|
|
|
974
|
|
|
975 /* Find the end of the name. */
|
|
|
976 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
977
|
|
|
978 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
979 {
|
|
|
980 emsg_severe = TRUE;
|
|
|
981 EMSG(_(e_trailing));
|
|
|
982 break;
|
|
|
983 }
|
|
|
984 if (!error && !eap->skip)
|
|
|
985 {
|
|
|
986 #ifdef FEAT_MAGIC_BRACES
|
|
|
987 if (expr_start != NULL)
|
|
|
988 {
|
|
|
989 temp_string = make_expanded_name(arg, expr_start,
|
|
|
990 expr_end, name_end);
|
|
|
991 if (temp_string == NULL)
|
|
|
992 {
|
|
|
993 /*
|
|
|
994 * Report an invalid expression in braces, unless
|
|
|
995 * the expression evaluation has been cancelled due
|
|
|
996 * to an aborting error, an interrupt, or an
|
|
|
997 * exception.
|
|
|
998 */
|
|
|
999 if (!aborting())
|
|
|
1000 {
|
|
|
1001 emsg_severe = TRUE;
|
|
|
1002 EMSG2(_(e_invarg2), arg);
|
|
|
1003 break;
|
|
|
1004 }
|
|
|
1005 error = TRUE;
|
|
|
1006 arg = skipwhite(name_end);
|
|
|
1007 continue;
|
|
|
1008 }
|
|
|
1009 arg = temp_string;
|
|
|
1010 arg_len = STRLEN(temp_string);
|
|
|
1011 }
|
|
|
1012 else
|
|
|
1013 #endif
|
|
|
1014 {
|
|
|
1015 c1 = *name_end;
|
|
|
1016 *name_end = NUL;
|
|
|
1017 arg_len = (int)(name_end - arg);
|
|
|
1018 }
|
|
|
1019 i = find_vim_var(arg, arg_len);
|
|
|
1020 if (i >= 0)
|
|
|
1021 list_vim_var(i);
|
|
|
1022 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1023 {
|
|
|
1024 char_u numbuf[NUMBUFLEN];
|
|
|
1025
|
|
|
1026 sprintf((char *)numbuf, "%ld",
|
|
|
1027 (long)curbuf->b_changedtick);
|
|
|
1028 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1029 VAR_NUMBER, numbuf);
|
|
|
1030 }
|
|
|
1031 else
|
|
|
1032 {
|
|
|
1033 varp = find_var(arg, FALSE);
|
|
|
1034 if (varp == NULL)
|
|
|
1035 {
|
|
|
1036 /* Skip further arguments but do continue to
|
|
|
1037 * search for a trailing command. */
|
|
|
1038 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1039 error = TRUE;
|
|
|
1040 }
|
|
|
1041 else
|
|
|
1042 {
|
|
|
1043 name = vim_strchr(arg, ':');
|
|
|
1044 if (name != NULL)
|
|
|
1045 {
|
|
|
1046 /* "a:" vars have no name stored, use whole
|
|
|
1047 * arg */
|
|
|
1048 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1049 c2 = NUL;
|
|
|
1050 else
|
|
|
1051 {
|
|
|
1052 c2 = *++name;
|
|
|
1053 *name = NUL;
|
|
|
1054 }
|
|
|
1055 list_one_var(varp, arg);
|
|
|
1056 if (c2 != NUL)
|
|
|
1057 *name = c2;
|
|
|
1058 }
|
|
|
1059 else
|
|
|
1060 list_one_var(varp, (char_u *)"");
|
|
|
1061 }
|
|
|
1062 }
|
|
|
1063 #ifdef FEAT_MAGIC_BRACES
|
|
|
1064 if (expr_start != NULL)
|
|
|
1065 vim_free(temp_string);
|
|
|
1066 else
|
|
|
1067 #endif
|
|
|
1068 *name_end = c1;
|
|
|
1069 }
|
|
|
1070 arg = skipwhite(name_end);
|
|
|
1071 }
|
|
|
1072 }
|
|
|
1073 eap->nextcmd = check_nextcmd(arg);
|
|
|
1074 }
|
|
|
1075 else
|
|
|
1076 {
|
|
|
1077 if (eap->skip)
|
|
|
1078 ++emsg_skip;
|
|
|
1079 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1080 if (eap->skip)
|
|
|
1081 {
|
|
|
1082 if (i != FAIL)
|
|
|
1083 clear_var(&retvar);
|
|
|
1084 --emsg_skip;
|
|
|
1085 }
|
|
|
1086 else if (i != FAIL)
|
|
|
1087 {
|
|
|
1088 /*
|
|
|
1089 * ":let $VAR = expr": Set environment variable.
|
|
|
1090 */
|
|
|
1091 if (*arg == '$')
|
|
|
1092 {
|
|
|
1093 int len;
|
|
|
1094 int cc;
|
|
|
1095
|
|
|
1096 /* Find the end of the name. */
|
|
|
1097 ++arg;
|
|
|
1098 name = arg;
|
|
|
1099 len = get_env_len(&arg);
|
|
|
1100 if (len == 0)
|
|
|
1101 EMSG2(_(e_invarg2), name - 1);
|
|
|
1102 else
|
|
|
1103 {
|
|
|
1104 if (*skipwhite(arg) != '=')
|
|
|
1105 EMSG(_(e_letunexp));
|
|
|
1106 else
|
|
|
1107 {
|
|
|
1108 cc = name[len];
|
|
|
1109 name[len] = NUL;
|
|
|
1110 p = get_var_string(&retvar);
|
|
|
1111 vim_setenv(name, p);
|
|
|
1112 if (STRICMP(name, "HOME") == 0)
|
|
|
1113 init_homedir();
|
|
|
1114 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1115 didset_vim = FALSE;
|
|
|
1116 else if (didset_vimruntime
|
|
|
1117 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1118 didset_vimruntime = FALSE;
|
|
|
1119 name[len] = cc;
|
|
|
1120 }
|
|
|
1121 }
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 /*
|
|
|
1125 * ":let &option = expr": Set option value.
|
|
|
1126 * ":let &l:option = expr": Set local option value.
|
|
|
1127 * ":let &g:option = expr": Set global option value.
|
|
|
1128 */
|
|
|
1129 else if (*arg == '&')
|
|
|
1130 {
|
|
|
1131 int opt_flags;
|
|
|
1132
|
|
|
1133 /*
|
|
|
1134 * Find the end of the name;
|
|
|
1135 */
|
|
|
1136 p = find_option_end(&arg, &opt_flags);
|
|
|
1137 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1138 EMSG(_(e_letunexp));
|
|
|
1139 else
|
|
|
1140 {
|
|
|
1141 c1 = *p;
|
|
|
1142 *p = NUL;
|
|
|
1143 set_option_value(arg, get_var_number(&retvar),
|
|
|
1144 get_var_string(&retvar), opt_flags);
|
|
|
1145 *p = c1; /* put back for error messages */
|
|
|
1146 }
|
|
|
1147 }
|
|
|
1148
|
|
|
1149 /*
|
|
|
1150 * ":let @r = expr": Set register contents.
|
|
|
1151 */
|
|
|
1152 else if (*arg == '@')
|
|
|
1153 {
|
|
|
1154 ++arg;
|
|
|
1155 if (*skipwhite(arg + 1) != '=')
|
|
|
1156 EMSG(_(e_letunexp));
|
|
|
1157 else
|
|
|
1158 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1159 get_var_string(&retvar), -1, FALSE);
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 /*
|
|
|
1163 * ":let var = expr": Set internal variable.
|
|
|
1164 */
|
|
|
1165 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1166 {
|
|
|
1167 /* Find the end of the name. */
|
|
|
1168 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1169
|
|
|
1170 if (*skipwhite(p) != '=')
|
|
|
1171 EMSG(_(e_letunexp));
|
|
|
1172 else if (p - arg == 13
|
|
|
1173 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1174 EMSG2(_(e_readonlyvar), arg);
|
|
|
1175 #ifdef FEAT_MAGIC_BRACES
|
|
|
1176 else if (expr_start != NULL)
|
|
|
1177 {
|
|
|
1178 char_u *temp_string;
|
|
|
1179
|
|
|
1180 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1181 expr_end, p);
|
|
|
1182 if (temp_string == NULL)
|
|
|
1183 {
|
|
|
1184 /*
|
|
|
1185 * Report an invalid expression in braces, unless the
|
|
|
1186 * expression evaluation has been cancelled due to an
|
|
|
1187 * aborting error, an interrupt, or an exception.
|
|
|
1188 */
|
|
|
1189 if (!aborting())
|
|
|
1190 EMSG2(_(e_invarg2), arg);
|
|
|
1191 }
|
|
|
1192 else
|
|
|
1193 {
|
|
|
1194 set_var(temp_string, &retvar);
|
|
|
1195 vim_free(temp_string);
|
|
|
1196 }
|
|
|
1197 }
|
|
|
1198 #endif
|
|
|
1199 else
|
|
|
1200 {
|
|
|
1201 c1 = *p;
|
|
|
1202 *p = NUL;
|
|
|
1203 set_var(arg, &retvar);
|
|
|
1204 *p = c1; /* put char back for error messages */
|
|
|
1205 }
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 else
|
|
|
1209 {
|
|
|
1210 EMSG2(_(e_invarg2), arg);
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 clear_var(&retvar);
|
|
|
1214 }
|
|
|
1215 }
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1219
|
|
|
1220 void
|
|
|
1221 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1222 expand_T *xp;
|
|
|
1223 char_u *arg;
|
|
|
1224 cmdidx_T cmdidx;
|
|
|
1225 {
|
|
|
1226 int got_eq = FALSE;
|
|
|
1227 int c;
|
|
|
1228
|
|
|
1229 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1230 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1231 : EXPAND_EXPRESSION;
|
|
|
1232 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1233 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1234 {
|
|
|
1235 c = *xp->xp_pattern;
|
|
|
1236 if (c == '&')
|
|
|
1237 {
|
|
|
1238 c = xp->xp_pattern[1];
|
|
|
1239 if (c == '&')
|
|
|
1240 {
|
|
|
1241 ++xp->xp_pattern;
|
|
|
1242 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1243 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1244 }
|
|
|
1245 else if (c != ' ')
|
|
|
1246 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1247 }
|
|
|
1248 else if (c == '$')
|
|
|
1249 {
|
|
|
1250 /* environment variable */
|
|
|
1251 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1252 }
|
|
|
1253 else if (c == '=')
|
|
|
1254 {
|
|
|
1255 got_eq = TRUE;
|
|
|
1256 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1257 }
|
|
|
1258 else if (c == '<'
|
|
|
1259 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1260 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1261 {
|
|
|
1262 /* Function name can start with "<SNR>" */
|
|
|
1263 break;
|
|
|
1264 }
|
|
|
1265 else if (cmdidx != CMD_let || got_eq)
|
|
|
1266 {
|
|
|
1267 if (c == '"') /* string */
|
|
|
1268 {
|
|
|
1269 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1270 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1271 ++xp->xp_pattern;
|
|
|
1272 xp->xp_context = EXPAND_NOTHING;
|
|
|
1273 }
|
|
|
1274 else if (c == '\'') /* literal string */
|
|
|
1275 {
|
|
|
1276 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1277 /* skip */ ;
|
|
|
1278 xp->xp_context = EXPAND_NOTHING;
|
|
|
1279 }
|
|
|
1280 else if (c == '|')
|
|
|
1281 {
|
|
|
1282 if (xp->xp_pattern[1] == '|')
|
|
|
1283 {
|
|
|
1284 ++xp->xp_pattern;
|
|
|
1285 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1286 }
|
|
|
1287 else
|
|
|
1288 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1289 }
|
|
|
1290 else
|
|
|
1291 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1292 }
|
|
|
1293 else
|
|
|
1294 xp->xp_context = EXPAND_NOTHING;
|
|
|
1295 arg = xp->xp_pattern;
|
|
|
1296 if (*arg != NUL)
|
|
|
1297 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1298 /* skip */ ;
|
|
|
1299 }
|
|
|
1300 xp->xp_pattern = arg;
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 #endif /* FEAT_CMDL_COMPL */
|
|
|
1304
|
|
|
1305 /*
|
|
|
1306 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1307 */
|
|
|
1308 void
|
|
|
1309 ex_call(eap)
|
|
|
1310 exarg_T *eap;
|
|
|
1311 {
|
|
|
1312 char_u *arg = eap->arg;
|
|
|
1313 char_u *startarg;
|
|
|
1314 char_u *alias;
|
|
|
1315 char_u *name;
|
|
|
1316 var retvar;
|
|
|
1317 int len;
|
|
|
1318 linenr_T lnum;
|
|
|
1319 int doesrange;
|
|
|
1320 int failed = FALSE;
|
|
|
1321
|
|
|
1322 name = arg;
|
|
|
1323 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1324 if (len == 0)
|
|
|
1325 goto end;
|
|
|
1326 if (alias != NULL)
|
|
|
1327 name = alias;
|
|
|
1328
|
|
|
1329 startarg = arg;
|
|
|
1330 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1331
|
|
|
1332 if (*startarg != '(')
|
|
|
1333 {
|
|
|
1334 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1335 goto end;
|
|
|
1336 }
|
|
|
1337
|
|
|
1338 /*
|
|
|
1339 * When skipping, evaluate the function once, to find the end of the
|
|
|
1340 * arguments.
|
|
|
1341 * When the function takes a range, this is discovered after the first
|
|
|
1342 * call, and the loop is broken.
|
|
|
1343 */
|
|
|
1344 if (eap->skip)
|
|
|
1345 {
|
|
|
1346 ++emsg_skip;
|
|
|
1347 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1348 }
|
|
|
1349 else
|
|
|
1350 lnum = eap->line1;
|
|
|
1351 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1352 {
|
|
|
1353 if (!eap->skip && eap->addr_count > 0)
|
|
|
1354 {
|
|
|
1355 curwin->w_cursor.lnum = lnum;
|
|
|
1356 curwin->w_cursor.col = 0;
|
|
|
1357 }
|
|
|
1358 arg = startarg;
|
|
|
1359 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1360 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1361 {
|
|
|
1362 failed = TRUE;
|
|
|
1363 break;
|
|
|
1364 }
|
|
|
1365 clear_var(&retvar);
|
|
|
1366 if (doesrange || eap->skip)
|
|
|
1367 break;
|
|
|
1368 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1369 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1370 * returned OK, so that the check for trailing characters below is
|
|
|
1371 * executed. */
|
|
|
1372 if (aborting())
|
|
|
1373 break;
|
|
|
1374 }
|
|
|
1375 if (eap->skip)
|
|
|
1376 --emsg_skip;
|
|
|
1377
|
|
|
1378 if (!failed)
|
|
|
1379 {
|
|
|
1380 /* Check for trailing illegal characters and a following command. */
|
|
|
1381 if (!ends_excmd(*arg))
|
|
|
1382 {
|
|
|
1383 emsg_severe = TRUE;
|
|
|
1384 EMSG(_(e_trailing));
|
|
|
1385 }
|
|
|
1386 else
|
|
|
1387 eap->nextcmd = check_nextcmd(arg);
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 end:
|
|
|
1391 if (alias != NULL)
|
|
|
1392 vim_free(alias);
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 /*
|
|
|
1396 * ":unlet[!] var1 ... " command.
|
|
|
1397 */
|
|
|
1398 void
|
|
|
1399 ex_unlet(eap)
|
|
|
1400 exarg_T *eap;
|
|
|
1401 {
|
|
|
1402 char_u *arg = eap->arg;
|
|
|
1403 char_u *name_end;
|
|
|
1404 char_u cc;
|
|
|
1405 char_u *expr_start;
|
|
|
1406 char_u *expr_end;
|
|
|
1407 int error = FALSE;
|
|
|
1408
|
|
|
1409 do
|
|
|
1410 {
|
|
|
1411 /* Find the end of the name. */
|
|
|
1412 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1413
|
|
|
1414 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1415 {
|
|
|
1416 emsg_severe = TRUE;
|
|
|
1417 EMSG(_(e_trailing));
|
|
|
1418 break;
|
|
|
1419 }
|
|
|
1420
|
|
|
1421 if (!error && !eap->skip)
|
|
|
1422 {
|
|
|
1423 #ifdef FEAT_MAGIC_BRACES
|
|
|
1424 if (expr_start != NULL)
|
|
|
1425 {
|
|
|
1426 char_u *temp_string;
|
|
|
1427
|
|
|
1428 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1429 expr_end, name_end);
|
|
|
1430 if (temp_string == NULL)
|
|
|
1431 {
|
|
|
1432 /*
|
|
|
1433 * Report an invalid expression in braces, unless the
|
|
|
1434 * expression evaluation has been cancelled due to an
|
|
|
1435 * aborting error, an interrupt, or an exception.
|
|
|
1436 */
|
|
|
1437 if (!aborting())
|
|
|
1438 {
|
|
|
1439 emsg_severe = TRUE;
|
|
|
1440 EMSG2(_(e_invarg2), arg);
|
|
|
1441 break;
|
|
|
1442 }
|
|
|
1443 error = TRUE;
|
|
|
1444 }
|
|
|
1445 else
|
|
|
1446 {
|
|
|
1447 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1448 {
|
|
|
1449 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1450 error = TRUE;
|
|
|
1451 }
|
|
|
1452 vim_free(temp_string);
|
|
|
1453 }
|
|
|
1454 }
|
|
|
1455 else
|
|
|
1456 #endif
|
|
|
1457 {
|
|
|
1458 cc = *name_end;
|
|
|
1459 *name_end = NUL;
|
|
|
1460
|
|
|
1461 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1462 {
|
|
|
1463 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1464 error = TRUE;
|
|
|
1465 }
|
|
|
1466
|
|
|
1467 *name_end = cc;
|
|
|
1468 }
|
|
|
1469 }
|
|
|
1470 arg = skipwhite(name_end);
|
|
|
1471 } while (!ends_excmd(*arg));
|
|
|
1472
|
|
|
1473 eap->nextcmd = check_nextcmd(arg);
|
|
|
1474 }
|
|
|
1475
|
|
|
1476 /*
|
|
|
1477 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1478 */
|
|
|
1479 int
|
|
|
1480 do_unlet(name)
|
|
|
1481 char_u *name;
|
|
|
1482 {
|
|
|
1483 VAR v;
|
|
|
1484
|
|
|
1485 v = find_var(name, TRUE);
|
|
|
1486 if (v != NULL)
|
|
|
1487 {
|
|
|
1488 var_free_one(v);
|
|
|
1489 return OK;
|
|
|
1490 }
|
|
|
1491 return FAIL;
|
|
|
1492 }
|
|
|
1493
|
|
|
1494 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1495 /*
|
|
|
1496 * Delete all "menutrans_" variables.
|
|
|
1497 */
|
|
|
1498 void
|
|
|
1499 del_menutrans_vars()
|
|
|
1500 {
|
|
|
1501 int i;
|
|
|
1502
|
|
|
1503 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1504 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1505 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1506 var_free_one(&VAR_ENTRY(i));
|
|
|
1507 }
|
|
|
1508 #endif
|
|
|
1509
|
|
|
1510 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1511
|
|
|
1512 /*
|
|
|
1513 * Local string buffer for the next two functions to store a variable name
|
|
|
1514 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1515 * get_user_var_name().
|
|
|
1516 */
|
|
|
1517
|
|
|
1518 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1519
|
|
|
1520 static char_u *varnamebuf = NULL;
|
|
|
1521 static int varnamebuflen = 0;
|
|
|
1522
|
|
|
1523 /*
|
|
|
1524 * Function to concatenate a prefix and a variable name.
|
|
|
1525 */
|
|
|
1526 static char_u *
|
|
|
1527 cat_prefix_varname(prefix, name)
|
|
|
1528 int prefix;
|
|
|
1529 char_u *name;
|
|
|
1530 {
|
|
|
1531 int len;
|
|
|
1532
|
|
|
1533 len = (int)STRLEN(name) + 3;
|
|
|
1534 if (len > varnamebuflen)
|
|
|
1535 {
|
|
|
1536 vim_free(varnamebuf);
|
|
|
1537 len += 10; /* some additional space */
|
|
|
1538 varnamebuf = alloc(len);
|
|
|
1539 if (varnamebuf == NULL)
|
|
|
1540 {
|
|
|
1541 varnamebuflen = 0;
|
|
|
1542 return NULL;
|
|
|
1543 }
|
|
|
1544 varnamebuflen = len;
|
|
|
1545 }
|
|
|
1546 *varnamebuf = prefix;
|
|
|
1547 varnamebuf[1] = ':';
|
|
|
1548 STRCPY(varnamebuf + 2, name);
|
|
|
1549 return varnamebuf;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552 /*
|
|
|
1553 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1554 * (global/buffer/window/built-in) variable names.
|
|
|
1555 */
|
|
|
1556 /*ARGSUSED*/
|
|
|
1557 char_u *
|
|
|
1558 get_user_var_name(xp, idx)
|
|
|
1559 expand_T *xp;
|
|
|
1560 int idx;
|
|
|
1561 {
|
|
|
1562 static int gidx;
|
|
|
1563 static int bidx;
|
|
|
1564 static int widx;
|
|
|
1565 static int vidx;
|
|
|
1566 char_u *name;
|
|
|
1567
|
|
|
1568 if (idx == 0)
|
|
|
1569 gidx = bidx = widx = vidx = 0;
|
|
|
1570 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1571 {
|
|
|
1572 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1573 && gidx < variables.ga_len)
|
|
|
1574 /* skip */;
|
|
|
1575 if (name != NULL)
|
|
|
1576 {
|
|
|
1577 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1578 return cat_prefix_varname('g', name);
|
|
|
1579 else
|
|
|
1580 return name;
|
|
|
1581 }
|
|
|
1582 }
|
|
|
1583 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1584 {
|
|
|
1585 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1586 && bidx < curbuf->b_vars.ga_len)
|
|
|
1587 /* skip */;
|
|
|
1588 if (name != NULL)
|
|
|
1589 return cat_prefix_varname('b', name);
|
|
|
1590 }
|
|
|
1591 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1592 {
|
|
|
1593 ++bidx;
|
|
|
1594 return (char_u *)"b:changedtick";
|
|
|
1595 }
|
|
|
1596 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1597 {
|
|
|
1598 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1599 && widx < curwin->w_vars.ga_len)
|
|
|
1600 /* skip */;
|
|
|
1601 if (name != NULL)
|
|
|
1602 return cat_prefix_varname('w', name);
|
|
|
1603 }
|
|
|
1604 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1605 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1606
|
|
|
1607 vim_free(varnamebuf);
|
|
|
1608 varnamebuf = NULL;
|
|
|
1609 varnamebuflen = 0;
|
|
|
1610 return NULL;
|
|
|
1611 }
|
|
|
1612
|
|
|
1613 #endif /* FEAT_CMDL_COMPL */
|
|
|
1614
|
|
|
1615 /*
|
|
|
1616 * types for expressions.
|
|
|
1617 */
|
|
|
1618 typedef enum
|
|
|
1619 {
|
|
|
1620 TYPE_UNKNOWN = 0
|
|
|
1621 , TYPE_EQUAL /* == */
|
|
|
1622 , TYPE_NEQUAL /* != */
|
|
|
1623 , TYPE_GREATER /* > */
|
|
|
1624 , TYPE_GEQUAL /* >= */
|
|
|
1625 , TYPE_SMALLER /* < */
|
|
|
1626 , TYPE_SEQUAL /* <= */
|
|
|
1627 , TYPE_MATCH /* =~ */
|
|
|
1628 , TYPE_NOMATCH /* !~ */
|
|
|
1629 } exptype_T;
|
|
|
1630
|
|
|
1631 /*
|
|
|
1632 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1633 * executed. The function may return OK, but the retvar will be of type
|
|
|
1634 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1635 */
|
|
|
1636
|
|
|
1637 /*
|
|
|
1638 * Handle zero level expression.
|
|
|
1639 * This calls eval1() and handles error message and nextcmd.
|
|
|
1640 * Return OK or FAIL.
|
|
|
1641 */
|
|
|
1642 static int
|
|
|
1643 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1644 char_u *arg;
|
|
|
1645 VAR retvar;
|
|
|
1646 char_u **nextcmd;
|
|
|
1647 int evaluate;
|
|
|
1648 {
|
|
|
1649 int ret;
|
|
|
1650 char_u *p;
|
|
|
1651
|
|
|
1652 p = skipwhite(arg);
|
|
|
1653 ret = eval1(&p, retvar, evaluate);
|
|
|
1654 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1655 {
|
|
|
1656 if (ret != FAIL)
|
|
|
1657 clear_var(retvar);
|
|
|
1658 /*
|
|
|
1659 * Report the invalid expression unless the expression evaluation has
|
|
|
1660 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1661 * exception.
|
|
|
1662 */
|
|
|
1663 if (!aborting())
|
|
|
1664 EMSG2(_(e_invexpr2), arg);
|
|
|
1665 ret = FAIL;
|
|
|
1666 }
|
|
|
1667 if (nextcmd != NULL)
|
|
|
1668 *nextcmd = check_nextcmd(p);
|
|
|
1669
|
|
|
1670 return ret;
|
|
|
1671 }
|
|
|
1672
|
|
|
1673 /*
|
|
|
1674 * Handle top level expression:
|
|
|
1675 * expr1 ? expr0 : expr0
|
|
|
1676 *
|
|
|
1677 * "arg" must point to the first non-white of the expression.
|
|
|
1678 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1679 *
|
|
|
1680 * Return OK or FAIL.
|
|
|
1681 */
|
|
|
1682 static int
|
|
|
1683 eval1(arg, retvar, evaluate)
|
|
|
1684 char_u **arg;
|
|
|
1685 VAR retvar;
|
|
|
1686 int evaluate;
|
|
|
1687 {
|
|
|
1688 int result;
|
|
|
1689 var var2;
|
|
|
1690
|
|
|
1691 /*
|
|
|
1692 * Get the first variable.
|
|
|
1693 */
|
|
|
1694 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1695 return FAIL;
|
|
|
1696
|
|
|
1697 if ((*arg)[0] == '?')
|
|
|
1698 {
|
|
|
1699 result = FALSE;
|
|
|
1700 if (evaluate)
|
|
|
1701 {
|
|
|
1702 if (get_var_number(retvar) != 0)
|
|
|
1703 result = TRUE;
|
|
|
1704 clear_var(retvar);
|
|
|
1705 }
|
|
|
1706
|
|
|
1707 /*
|
|
|
1708 * Get the second variable.
|
|
|
1709 */
|
|
|
1710 *arg = skipwhite(*arg + 1);
|
|
|
1711 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1712 return FAIL;
|
|
|
1713
|
|
|
1714 /*
|
|
|
1715 * Check for the ":".
|
|
|
1716 */
|
|
|
1717 if ((*arg)[0] != ':')
|
|
|
1718 {
|
|
|
1719 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1720 if (evaluate && result)
|
|
|
1721 clear_var(retvar);
|
|
|
1722 return FAIL;
|
|
|
1723 }
|
|
|
1724
|
|
|
1725 /*
|
|
|
1726 * Get the third variable.
|
|
|
1727 */
|
|
|
1728 *arg = skipwhite(*arg + 1);
|
|
|
1729 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1730 {
|
|
|
1731 if (evaluate && result)
|
|
|
1732 clear_var(retvar);
|
|
|
1733 return FAIL;
|
|
|
1734 }
|
|
|
1735 if (evaluate && !result)
|
|
|
1736 *retvar = var2;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739 return OK;
|
|
|
1740 }
|
|
|
1741
|
|
|
1742 /*
|
|
|
1743 * Handle first level expression:
|
|
|
1744 * expr2 || expr2 || expr2 logical OR
|
|
|
1745 *
|
|
|
1746 * "arg" must point to the first non-white of the expression.
|
|
|
1747 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1748 *
|
|
|
1749 * Return OK or FAIL.
|
|
|
1750 */
|
|
|
1751 static int
|
|
|
1752 eval2(arg, retvar, evaluate)
|
|
|
1753 char_u **arg;
|
|
|
1754 VAR retvar;
|
|
|
1755 int evaluate;
|
|
|
1756 {
|
|
|
1757 var var2;
|
|
|
1758 long result;
|
|
|
1759 int first;
|
|
|
1760
|
|
|
1761 /*
|
|
|
1762 * Get the first variable.
|
|
|
1763 */
|
|
|
1764 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1765 return FAIL;
|
|
|
1766
|
|
|
1767 /*
|
|
|
1768 * Repeat until there is no following "||".
|
|
|
1769 */
|
|
|
1770 first = TRUE;
|
|
|
1771 result = FALSE;
|
|
|
1772 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1773 {
|
|
|
1774 if (evaluate && first)
|
|
|
1775 {
|
|
|
1776 if (get_var_number(retvar) != 0)
|
|
|
1777 result = TRUE;
|
|
|
1778 clear_var(retvar);
|
|
|
1779 first = FALSE;
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 /*
|
|
|
1783 * Get the second variable.
|
|
|
1784 */
|
|
|
1785 *arg = skipwhite(*arg + 2);
|
|
|
1786 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1787 return FAIL;
|
|
|
1788
|
|
|
1789 /*
|
|
|
1790 * Compute the result.
|
|
|
1791 */
|
|
|
1792 if (evaluate && !result)
|
|
|
1793 {
|
|
|
1794 if (get_var_number(&var2) != 0)
|
|
|
1795 result = TRUE;
|
|
|
1796 clear_var(&var2);
|
|
|
1797 }
|
|
|
1798 if (evaluate)
|
|
|
1799 {
|
|
|
1800 retvar->var_type = VAR_NUMBER;
|
|
|
1801 retvar->var_val.var_number = result;
|
|
|
1802 }
|
|
|
1803 }
|
|
|
1804
|
|
|
1805 return OK;
|
|
|
1806 }
|
|
|
1807
|
|
|
1808 /*
|
|
|
1809 * Handle second level expression:
|
|
|
1810 * expr3 && expr3 && expr3 logical AND
|
|
|
1811 *
|
|
|
1812 * "arg" must point to the first non-white of the expression.
|
|
|
1813 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1814 *
|
|
|
1815 * Return OK or FAIL.
|
|
|
1816 */
|
|
|
1817 static int
|
|
|
1818 eval3(arg, retvar, evaluate)
|
|
|
1819 char_u **arg;
|
|
|
1820 VAR retvar;
|
|
|
1821 int evaluate;
|
|
|
1822 {
|
|
|
1823 var var2;
|
|
|
1824 long result;
|
|
|
1825 int first;
|
|
|
1826
|
|
|
1827 /*
|
|
|
1828 * Get the first variable.
|
|
|
1829 */
|
|
|
1830 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1831 return FAIL;
|
|
|
1832
|
|
|
1833 /*
|
|
|
1834 * Repeat until there is no following "&&".
|
|
|
1835 */
|
|
|
1836 first = TRUE;
|
|
|
1837 result = TRUE;
|
|
|
1838 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1839 {
|
|
|
1840 if (evaluate && first)
|
|
|
1841 {
|
|
|
1842 if (get_var_number(retvar) == 0)
|
|
|
1843 result = FALSE;
|
|
|
1844 clear_var(retvar);
|
|
|
1845 first = FALSE;
|
|
|
1846 }
|
|
|
1847
|
|
|
1848 /*
|
|
|
1849 * Get the second variable.
|
|
|
1850 */
|
|
|
1851 *arg = skipwhite(*arg + 2);
|
|
|
1852 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1853 return FAIL;
|
|
|
1854
|
|
|
1855 /*
|
|
|
1856 * Compute the result.
|
|
|
1857 */
|
|
|
1858 if (evaluate && result)
|
|
|
1859 {
|
|
|
1860 if (get_var_number(&var2) == 0)
|
|
|
1861 result = FALSE;
|
|
|
1862 clear_var(&var2);
|
|
|
1863 }
|
|
|
1864 if (evaluate)
|
|
|
1865 {
|
|
|
1866 retvar->var_type = VAR_NUMBER;
|
|
|
1867 retvar->var_val.var_number = result;
|
|
|
1868 }
|
|
|
1869 }
|
|
|
1870
|
|
|
1871 return OK;
|
|
|
1872 }
|
|
|
1873
|
|
|
1874 /*
|
|
|
1875 * Handle third level expression:
|
|
|
1876 * var1 == var2
|
|
|
1877 * var1 =~ var2
|
|
|
1878 * var1 != var2
|
|
|
1879 * var1 !~ var2
|
|
|
1880 * var1 > var2
|
|
|
1881 * var1 >= var2
|
|
|
1882 * var1 < var2
|
|
|
1883 * var1 <= var2
|
|
|
1884 *
|
|
|
1885 * "arg" must point to the first non-white of the expression.
|
|
|
1886 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1887 *
|
|
|
1888 * Return OK or FAIL.
|
|
|
1889 */
|
|
|
1890 static int
|
|
|
1891 eval4(arg, retvar, evaluate)
|
|
|
1892 char_u **arg;
|
|
|
1893 VAR retvar;
|
|
|
1894 int evaluate;
|
|
|
1895 {
|
|
|
1896 var var2;
|
|
|
1897 char_u *p;
|
|
|
1898 int i;
|
|
|
1899 exptype_T type = TYPE_UNKNOWN;
|
|
|
1900 int len = 2;
|
|
|
1901 long n1, n2;
|
|
|
1902 char_u *s1, *s2;
|
|
|
1903 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1904 regmatch_T regmatch;
|
|
|
1905 int ic;
|
|
|
1906 char_u *save_cpo;
|
|
|
1907
|
|
|
1908 /*
|
|
|
1909 * Get the first variable.
|
|
|
1910 */
|
|
|
1911 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1912 return FAIL;
|
|
|
1913
|
|
|
1914 p = *arg;
|
|
|
1915 switch (p[0])
|
|
|
1916 {
|
|
|
1917 case '=': if (p[1] == '=')
|
|
|
1918 type = TYPE_EQUAL;
|
|
|
1919 else if (p[1] == '~')
|
|
|
1920 type = TYPE_MATCH;
|
|
|
1921 break;
|
|
|
1922 case '!': if (p[1] == '=')
|
|
|
1923 type = TYPE_NEQUAL;
|
|
|
1924 else if (p[1] == '~')
|
|
|
1925 type = TYPE_NOMATCH;
|
|
|
1926 break;
|
|
|
1927 case '>': if (p[1] != '=')
|
|
|
1928 {
|
|
|
1929 type = TYPE_GREATER;
|
|
|
1930 len = 1;
|
|
|
1931 }
|
|
|
1932 else
|
|
|
1933 type = TYPE_GEQUAL;
|
|
|
1934 break;
|
|
|
1935 case '<': if (p[1] != '=')
|
|
|
1936 {
|
|
|
1937 type = TYPE_SMALLER;
|
|
|
1938 len = 1;
|
|
|
1939 }
|
|
|
1940 else
|
|
|
1941 type = TYPE_SEQUAL;
|
|
|
1942 break;
|
|
|
1943 }
|
|
|
1944
|
|
|
1945 /*
|
|
|
1946 * If there is a comparitive operator, use it.
|
|
|
1947 */
|
|
|
1948 if (type != TYPE_UNKNOWN)
|
|
|
1949 {
|
|
|
1950 /* extra question mark appended: ignore case */
|
|
|
1951 if (p[len] == '?')
|
|
|
1952 {
|
|
|
1953 ic = TRUE;
|
|
|
1954 ++len;
|
|
|
1955 }
|
|
|
1956 /* extra '#' appended: match case */
|
|
|
1957 else if (p[len] == '#')
|
|
|
1958 {
|
|
|
1959 ic = FALSE;
|
|
|
1960 ++len;
|
|
|
1961 }
|
|
|
1962 /* nothing appened: use 'ignorecase' */
|
|
|
1963 else
|
|
|
1964 ic = p_ic;
|
|
|
1965
|
|
|
1966 /*
|
|
|
1967 * Get the second variable.
|
|
|
1968 */
|
|
|
1969 *arg = skipwhite(p + len);
|
|
|
1970 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1971 {
|
|
|
1972 clear_var(retvar);
|
|
|
1973 return FAIL;
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 if (evaluate)
|
|
|
1977 {
|
|
|
1978 /*
|
|
|
1979 * If one of the two variables is a number, compare as a number.
|
|
|
1980 * When using "=~" or "!~", always compare as string.
|
|
|
1981 */
|
|
|
1982 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
1983 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
1984 {
|
|
|
1985 n1 = get_var_number(retvar);
|
|
|
1986 n2 = get_var_number(&var2);
|
|
|
1987 switch (type)
|
|
|
1988 {
|
|
|
1989 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
1990 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
1991 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
1992 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
1993 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
1994 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
1995 case TYPE_UNKNOWN:
|
|
|
1996 case TYPE_MATCH:
|
|
|
1997 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
1998 }
|
|
|
1999 }
|
|
|
2000 else
|
|
|
2001 {
|
|
|
2002 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2003 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2004 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2005 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
2006 else
|
|
|
2007 i = 0;
|
|
|
2008 n1 = FALSE;
|
|
|
2009 switch (type)
|
|
|
2010 {
|
|
|
2011 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
2012 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
2013 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2014 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2015 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2016 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2017
|
|
|
2018 case TYPE_MATCH:
|
|
|
2019 case TYPE_NOMATCH:
|
|
|
2020 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2021 save_cpo = p_cpo;
|
|
|
2022 p_cpo = (char_u *)"";
|
|
|
2023 regmatch.regprog = vim_regcomp(s2,
|
|
|
2024 RE_MAGIC + RE_STRING);
|
|
|
2025 regmatch.rm_ic = ic;
|
|
|
2026 if (regmatch.regprog != NULL)
|
|
|
2027 {
|
|
|
2028 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2029 vim_free(regmatch.regprog);
|
|
|
2030 if (type == TYPE_NOMATCH)
|
|
|
2031 n1 = !n1;
|
|
|
2032 }
|
|
|
2033 p_cpo = save_cpo;
|
|
|
2034 break;
|
|
|
2035
|
|
|
2036 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2037 }
|
|
|
2038 }
|
|
|
2039 clear_var(retvar);
|
|
|
2040 clear_var(&var2);
|
|
|
2041 retvar->var_type = VAR_NUMBER;
|
|
|
2042 retvar->var_val.var_number = n1;
|
|
|
2043 }
|
|
|
2044 }
|
|
|
2045
|
|
|
2046 return OK;
|
|
|
2047 }
|
|
|
2048
|
|
|
2049 /*
|
|
|
2050 * Handle fourth level expression:
|
|
|
2051 * + number addition
|
|
|
2052 * - number subtraction
|
|
|
2053 * . string concatenation
|
|
|
2054 *
|
|
|
2055 * "arg" must point to the first non-white of the expression.
|
|
|
2056 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2057 *
|
|
|
2058 * Return OK or FAIL.
|
|
|
2059 */
|
|
|
2060 static int
|
|
|
2061 eval5(arg, retvar, evaluate)
|
|
|
2062 char_u **arg;
|
|
|
2063 VAR retvar;
|
|
|
2064 int evaluate;
|
|
|
2065 {
|
|
|
2066 var var2;
|
|
|
2067 int op;
|
|
|
2068 long n1, n2;
|
|
|
2069 char_u *s1, *s2;
|
|
|
2070 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2071 char_u *p;
|
|
|
2072
|
|
|
2073 /*
|
|
|
2074 * Get the first variable.
|
|
|
2075 */
|
|
|
2076 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2077 return FAIL;
|
|
|
2078
|
|
|
2079 /*
|
|
|
2080 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2081 */
|
|
|
2082 for (;;)
|
|
|
2083 {
|
|
|
2084 op = **arg;
|
|
|
2085 if (op != '+' && op != '-' && op != '.')
|
|
|
2086 break;
|
|
|
2087
|
|
|
2088 /*
|
|
|
2089 * Get the second variable.
|
|
|
2090 */
|
|
|
2091 *arg = skipwhite(*arg + 1);
|
|
|
2092 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2093 {
|
|
|
2094 clear_var(retvar);
|
|
|
2095 return FAIL;
|
|
|
2096 }
|
|
|
2097
|
|
|
2098 if (evaluate)
|
|
|
2099 {
|
|
|
2100 /*
|
|
|
2101 * Compute the result.
|
|
|
2102 */
|
|
|
2103 if (op == '.')
|
|
|
2104 {
|
|
|
2105 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2106 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2107 op = (int)STRLEN(s1);
|
|
|
2108 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2109 if (p != NULL)
|
|
|
2110 {
|
|
|
2111 STRCPY(p, s1);
|
|
|
2112 STRCPY(p + op, s2);
|
|
|
2113 }
|
|
|
2114 clear_var(retvar);
|
|
|
2115 retvar->var_type = VAR_STRING;
|
|
|
2116 retvar->var_val.var_string = p;
|
|
|
2117 }
|
|
|
2118 else
|
|
|
2119 {
|
|
|
2120 n1 = get_var_number(retvar);
|
|
|
2121 n2 = get_var_number(&var2);
|
|
|
2122 clear_var(retvar);
|
|
|
2123 if (op == '+')
|
|
|
2124 n1 = n1 + n2;
|
|
|
2125 else
|
|
|
2126 n1 = n1 - n2;
|
|
|
2127 retvar->var_type = VAR_NUMBER;
|
|
|
2128 retvar->var_val.var_number = n1;
|
|
|
2129 }
|
|
|
2130 clear_var(&var2);
|
|
|
2131 }
|
|
|
2132 }
|
|
|
2133 return OK;
|
|
|
2134 }
|
|
|
2135
|
|
|
2136 /*
|
|
|
2137 * Handle fifth level expression:
|
|
|
2138 * * number multiplication
|
|
|
2139 * / number division
|
|
|
2140 * % number modulo
|
|
|
2141 *
|
|
|
2142 * "arg" must point to the first non-white of the expression.
|
|
|
2143 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2144 *
|
|
|
2145 * Return OK or FAIL.
|
|
|
2146 */
|
|
|
2147 static int
|
|
|
2148 eval6(arg, retvar, evaluate)
|
|
|
2149 char_u **arg;
|
|
|
2150 VAR retvar;
|
|
|
2151 int evaluate;
|
|
|
2152 {
|
|
|
2153 var var2;
|
|
|
2154 int op;
|
|
|
2155 long n1, n2;
|
|
|
2156
|
|
|
2157 /*
|
|
|
2158 * Get the first variable.
|
|
|
2159 */
|
|
|
2160 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2161 return FAIL;
|
|
|
2162
|
|
|
2163 /*
|
|
|
2164 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2165 */
|
|
|
2166 for (;;)
|
|
|
2167 {
|
|
|
2168 op = **arg;
|
|
|
2169 if (op != '*' && op != '/' && op != '%')
|
|
|
2170 break;
|
|
|
2171
|
|
|
2172 if (evaluate)
|
|
|
2173 {
|
|
|
2174 n1 = get_var_number(retvar);
|
|
|
2175 clear_var(retvar);
|
|
|
2176 }
|
|
|
2177 else
|
|
|
2178 n1 = 0;
|
|
|
2179
|
|
|
2180 /*
|
|
|
2181 * Get the second variable.
|
|
|
2182 */
|
|
|
2183 *arg = skipwhite(*arg + 1);
|
|
|
2184 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2185 return FAIL;
|
|
|
2186
|
|
|
2187 if (evaluate)
|
|
|
2188 {
|
|
|
2189 n2 = get_var_number(&var2);
|
|
|
2190 clear_var(&var2);
|
|
|
2191
|
|
|
2192 /*
|
|
|
2193 * Compute the result.
|
|
|
2194 */
|
|
|
2195 if (op == '*')
|
|
|
2196 n1 = n1 * n2;
|
|
|
2197 else if (op == '/')
|
|
|
2198 {
|
|
|
2199 if (n2 == 0) /* give an error message? */
|
|
|
2200 n1 = 0x7fffffffL;
|
|
|
2201 else
|
|
|
2202 n1 = n1 / n2;
|
|
|
2203 }
|
|
|
2204 else
|
|
|
2205 {
|
|
|
2206 if (n2 == 0) /* give an error message? */
|
|
|
2207 n1 = 0;
|
|
|
2208 else
|
|
|
2209 n1 = n1 % n2;
|
|
|
2210 }
|
|
|
2211 retvar->var_type = VAR_NUMBER;
|
|
|
2212 retvar->var_val.var_number = n1;
|
|
|
2213 }
|
|
|
2214 }
|
|
|
2215
|
|
|
2216 return OK;
|
|
|
2217 }
|
|
|
2218
|
|
|
2219 /*
|
|
|
2220 * Handle sixth level expression:
|
|
|
2221 * number number constant
|
|
|
2222 * "string" string contstant
|
|
|
2223 * 'string' literal string contstant
|
|
|
2224 * &option-name option value
|
|
|
2225 * @r register contents
|
|
|
2226 * identifier variable value
|
|
|
2227 * function() function call
|
|
|
2228 * $VAR environment variable
|
|
|
2229 * (expression) nested expression
|
|
|
2230 *
|
|
|
2231 * Also handle:
|
|
|
2232 * ! in front logical NOT
|
|
|
2233 * - in front unary minus
|
|
|
2234 * + in front unary plus (ignored)
|
|
|
2235 * trailing [] subscript in String
|
|
|
2236 *
|
|
|
2237 * "arg" must point to the first non-white of the expression.
|
|
|
2238 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2239 *
|
|
|
2240 * Return OK or FAIL.
|
|
|
2241 */
|
|
|
2242 static int
|
|
|
2243 eval7(arg, retvar, evaluate)
|
|
|
2244 char_u **arg;
|
|
|
2245 VAR retvar;
|
|
|
2246 int evaluate;
|
|
|
2247 {
|
|
|
2248 var var2;
|
|
|
2249 long n;
|
|
|
2250 int len;
|
|
|
2251 char_u *s;
|
|
|
2252 int val;
|
|
|
2253 char_u *start_leader, *end_leader;
|
|
|
2254 int ret = OK;
|
|
|
2255 char_u *alias;
|
|
|
2256
|
|
|
2257 /*
|
|
|
2258 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2259 * and free a string that isn't there.
|
|
|
2260 */
|
|
|
2261 retvar->var_type = VAR_UNKNOWN;
|
|
|
2262
|
|
|
2263 /*
|
|
|
2264 * Skip '!' and '-' characters. They are handled later.
|
|
|
2265 */
|
|
|
2266 start_leader = *arg;
|
|
|
2267 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2268 *arg = skipwhite(*arg + 1);
|
|
|
2269 end_leader = *arg;
|
|
|
2270
|
|
|
2271 switch (**arg)
|
|
|
2272 {
|
|
|
2273 /*
|
|
|
2274 * Number constant.
|
|
|
2275 */
|
|
|
2276 case '0':
|
|
|
2277 case '1':
|
|
|
2278 case '2':
|
|
|
2279 case '3':
|
|
|
2280 case '4':
|
|
|
2281 case '5':
|
|
|
2282 case '6':
|
|
|
2283 case '7':
|
|
|
2284 case '8':
|
|
|
2285 case '9':
|
|
|
2286 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2287 *arg += len;
|
|
|
2288 if (evaluate)
|
|
|
2289 {
|
|
|
2290 retvar->var_type = VAR_NUMBER;
|
|
|
2291 retvar->var_val.var_number = n;
|
|
|
2292 }
|
|
|
2293 break;
|
|
|
2294
|
|
|
2295 /*
|
|
|
2296 * String constant: "string".
|
|
|
2297 */
|
|
|
2298 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2299 break;
|
|
|
2300
|
|
|
2301 /*
|
|
|
2302 * Literal string constant: 'string'.
|
|
|
2303 */
|
|
|
2304 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2305 break;
|
|
|
2306
|
|
|
2307 /*
|
|
|
2308 * Option value: &name
|
|
|
2309 */
|
|
|
2310 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2311 break;
|
|
|
2312
|
|
|
2313 /*
|
|
|
2314 * Environment variable: $VAR.
|
|
|
2315 */
|
|
|
2316 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2317 break;
|
|
|
2318
|
|
|
2319 /*
|
|
|
2320 * Register contents: @r.
|
|
|
2321 */
|
|
|
2322 case '@': ++*arg;
|
|
|
2323 if (evaluate)
|
|
|
2324 {
|
|
|
2325 retvar->var_type = VAR_STRING;
|
|
|
2326 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2327 }
|
|
|
2328 if (**arg != NUL)
|
|
|
2329 ++*arg;
|
|
|
2330 break;
|
|
|
2331
|
|
|
2332 /*
|
|
|
2333 * nested expression: (expression).
|
|
|
2334 */
|
|
|
2335 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2336 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2337 if (**arg == ')')
|
|
|
2338 ++*arg;
|
|
|
2339 else if (ret == OK)
|
|
|
2340 {
|
|
|
2341 EMSG(_("E110: Missing ')'"));
|
|
|
2342 clear_var(retvar);
|
|
|
2343 ret = FAIL;
|
|
|
2344 }
|
|
|
2345 break;
|
|
|
2346
|
|
|
2347 /*
|
|
|
2348 * Must be a variable or function name then.
|
|
|
2349 */
|
|
|
2350 default: s = *arg;
|
|
|
2351 len = get_func_len(arg, &alias, evaluate);
|
|
|
2352 if (alias != NULL)
|
|
|
2353 s = alias;
|
|
|
2354
|
|
|
2355 if (len == 0)
|
|
|
2356 ret = FAIL;
|
|
|
2357 else
|
|
|
2358 {
|
|
|
2359 if (**arg == '(') /* recursive! */
|
|
|
2360 {
|
|
|
2361 ret = get_func_var(s, len, retvar, arg,
|
|
|
2362 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2363 &len, evaluate);
|
|
|
2364 /* Stop the expression evaluation when immediately
|
|
|
2365 * aborting on error, or when an interrupt occurred or
|
|
|
2366 * an exception was thrown but not caught. */
|
|
|
2367 if (aborting())
|
|
|
2368 {
|
|
|
2369 if (ret == OK)
|
|
|
2370 clear_var(retvar);
|
|
|
2371 ret = FAIL;
|
|
|
2372 }
|
|
|
2373 }
|
|
|
2374 else if (evaluate)
|
|
|
2375 ret = get_var_var(s, len, retvar);
|
|
|
2376 }
|
|
|
2377
|
|
|
2378 if (alias != NULL)
|
|
|
2379 vim_free(alias);
|
|
|
2380
|
|
|
2381 break;
|
|
|
2382 }
|
|
|
2383 *arg = skipwhite(*arg);
|
|
|
2384
|
|
|
2385 /*
|
|
|
2386 * Handle expr[expr] subscript.
|
|
|
2387 */
|
|
|
2388 if (**arg == '[' && ret == OK)
|
|
|
2389 {
|
|
|
2390 /*
|
|
|
2391 * Get the variable from inside the [].
|
|
|
2392 */
|
|
|
2393 *arg = skipwhite(*arg + 1);
|
|
|
2394 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2395 {
|
|
|
2396 clear_var(retvar);
|
|
|
2397 return FAIL;
|
|
|
2398 }
|
|
|
2399
|
|
|
2400 /* Check for the ']'. */
|
|
|
2401 if (**arg != ']')
|
|
|
2402 {
|
|
|
2403 EMSG(_("E111: Missing ']'"));
|
|
|
2404 clear_var(retvar);
|
|
|
2405 clear_var(&var2);
|
|
|
2406 return FAIL;
|
|
|
2407 }
|
|
|
2408
|
|
|
2409 if (evaluate)
|
|
|
2410 {
|
|
|
2411 n = get_var_number(&var2);
|
|
|
2412 clear_var(&var2);
|
|
|
2413
|
|
|
2414 /*
|
|
|
2415 * The resulting variable is a string of a single character.
|
|
|
2416 * If the index is too big or negative, the result is empty.
|
|
|
2417 */
|
|
|
2418 s = get_var_string(retvar);
|
|
|
2419 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2420 s = NULL;
|
|
|
2421 else
|
|
|
2422 s = vim_strnsave(s + n, 1);
|
|
|
2423 clear_var(retvar);
|
|
|
2424 retvar->var_type = VAR_STRING;
|
|
|
2425 retvar->var_val.var_string = s;
|
|
|
2426 }
|
|
|
2427 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2428 }
|
|
|
2429
|
|
|
2430 /*
|
|
|
2431 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2432 */
|
|
|
2433 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2434 {
|
|
|
2435 val = get_var_number(retvar);
|
|
|
2436 while (end_leader > start_leader)
|
|
|
2437 {
|
|
|
2438 --end_leader;
|
|
|
2439 if (*end_leader == '!')
|
|
|
2440 val = !val;
|
|
|
2441 else if (*end_leader == '-')
|
|
|
2442 val = -val;
|
|
|
2443 }
|
|
|
2444 clear_var(retvar);
|
|
|
2445 retvar->var_type = VAR_NUMBER;
|
|
|
2446 retvar->var_val.var_number = val;
|
|
|
2447 }
|
|
|
2448
|
|
|
2449 return ret;
|
|
|
2450 }
|
|
|
2451
|
|
|
2452 /*
|
|
|
2453 * Get an option value.
|
|
|
2454 * "arg" points to the '&' or '+' before the option name.
|
|
|
2455 * "arg" is advanced to character after the option name.
|
|
|
2456 * Return OK or FAIL.
|
|
|
2457 */
|
|
|
2458 static int
|
|
|
2459 get_option_var(arg, retvar, evaluate)
|
|
|
2460 char_u **arg;
|
|
|
2461 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2462 int evaluate;
|
|
|
2463 {
|
|
|
2464 char_u *option_end;
|
|
|
2465 long numval;
|
|
|
2466 char_u *stringval;
|
|
|
2467 int opt_type;
|
|
|
2468 int c;
|
|
|
2469 int working = (**arg == '+'); /* has("+option") */
|
|
|
2470 int ret = OK;
|
|
|
2471 int opt_flags;
|
|
|
2472
|
|
|
2473 /*
|
|
|
2474 * Isolate the option name and find its value.
|
|
|
2475 */
|
|
|
2476 option_end = find_option_end(arg, &opt_flags);
|
|
|
2477 if (option_end == NULL)
|
|
|
2478 {
|
|
|
2479 if (retvar != NULL)
|
|
|
2480 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2481 return FAIL;
|
|
|
2482 }
|
|
|
2483
|
|
|
2484 if (!evaluate)
|
|
|
2485 {
|
|
|
2486 *arg = option_end;
|
|
|
2487 return OK;
|
|
|
2488 }
|
|
|
2489
|
|
|
2490 c = *option_end;
|
|
|
2491 *option_end = NUL;
|
|
|
2492 opt_type = get_option_value(*arg, &numval,
|
|
|
2493 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2494
|
|
|
2495 if (opt_type == -3) /* invalid name */
|
|
|
2496 {
|
|
|
2497 if (retvar != NULL)
|
|
|
2498 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2499 ret = FAIL;
|
|
|
2500 }
|
|
|
2501 else if (retvar != NULL)
|
|
|
2502 {
|
|
|
2503 if (opt_type == -2) /* hidden string option */
|
|
|
2504 {
|
|
|
2505 retvar->var_type = VAR_STRING;
|
|
|
2506 retvar->var_val.var_string = NULL;
|
|
|
2507 }
|
|
|
2508 else if (opt_type == -1) /* hidden number option */
|
|
|
2509 {
|
|
|
2510 retvar->var_type = VAR_NUMBER;
|
|
|
2511 retvar->var_val.var_number = 0;
|
|
|
2512 }
|
|
|
2513 else if (opt_type == 1) /* number option */
|
|
|
2514 {
|
|
|
2515 retvar->var_type = VAR_NUMBER;
|
|
|
2516 retvar->var_val.var_number = numval;
|
|
|
2517 }
|
|
|
2518 else /* string option */
|
|
|
2519 {
|
|
|
2520 retvar->var_type = VAR_STRING;
|
|
|
2521 retvar->var_val.var_string = stringval;
|
|
|
2522 }
|
|
|
2523 }
|
|
|
2524 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2525 ret = FAIL;
|
|
|
2526
|
|
|
2527 *option_end = c; /* put back for error messages */
|
|
|
2528 *arg = option_end;
|
|
|
2529
|
|
|
2530 return ret;
|
|
|
2531 }
|
|
|
2532
|
|
|
2533 /*
|
|
|
2534 * Allocate a variable for a string constant.
|
|
|
2535 * Return OK or FAIL.
|
|
|
2536 */
|
|
|
2537 static int
|
|
|
2538 get_string_var(arg, retvar, evaluate)
|
|
|
2539 char_u **arg;
|
|
|
2540 VAR retvar;
|
|
|
2541 int evaluate;
|
|
|
2542 {
|
|
|
2543 char_u *p;
|
|
|
2544 char_u *name;
|
|
|
2545 int i;
|
|
|
2546 int extra = 0;
|
|
|
2547
|
|
|
2548 /*
|
|
|
2549 * Find the end of the string, skipping backslashed characters.
|
|
|
2550 */
|
|
|
2551 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2552 {
|
|
|
2553 if (*p == '\\' && p[1] != NUL)
|
|
|
2554 {
|
|
|
2555 ++p;
|
|
|
2556 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2557 * to 6 characters: reserve space for 2 extra */
|
|
|
2558 if (*p == '<')
|
|
|
2559 extra += 2;
|
|
|
2560 }
|
|
|
2561 #ifdef FEAT_MBYTE
|
|
|
2562 if (has_mbyte)
|
|
|
2563 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2564 #endif
|
|
|
2565 }
|
|
|
2566
|
|
|
2567 if (*p != '"')
|
|
|
2568 {
|
|
|
2569 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2570 return FAIL;
|
|
|
2571 }
|
|
|
2572
|
|
|
2573 /* If only parsing, set *arg and return here */
|
|
|
2574 if (!evaluate)
|
|
|
2575 {
|
|
|
2576 *arg = p + 1;
|
|
|
2577 return OK;
|
|
|
2578 }
|
|
|
2579
|
|
|
2580 /*
|
|
|
2581 * Copy the string into allocated memory, handling backslashed
|
|
|
2582 * characters.
|
|
|
2583 */
|
|
|
2584 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2585 if (name == NULL)
|
|
|
2586 return FAIL;
|
|
|
2587
|
|
|
2588 i = 0;
|
|
|
2589 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2590 {
|
|
|
2591 if (*p == '\\')
|
|
|
2592 {
|
|
|
2593 switch (*++p)
|
|
|
2594 {
|
|
|
2595 case 'b': name[i++] = BS; break;
|
|
|
2596 case 'e': name[i++] = ESC; break;
|
|
|
2597 case 'f': name[i++] = FF; break;
|
|
|
2598 case 'n': name[i++] = NL; break;
|
|
|
2599 case 'r': name[i++] = CAR; break;
|
|
|
2600 case 't': name[i++] = TAB; break;
|
|
|
2601
|
|
|
2602 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2603 case 'x':
|
|
|
2604 case 'u': /* Unicode: "\u0023" */
|
|
|
2605 case 'U':
|
|
|
2606 if (vim_isxdigit(p[1]))
|
|
|
2607 {
|
|
|
2608 int n, nr;
|
|
|
2609 int c = toupper(*p);
|
|
|
2610
|
|
|
2611 if (c == 'X')
|
|
|
2612 n = 2;
|
|
|
2613 else
|
|
|
2614 n = 4;
|
|
|
2615 nr = 0;
|
|
|
2616 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2617 {
|
|
|
2618 ++p;
|
|
|
2619 nr = (nr << 4) + hex2nr(*p);
|
|
|
2620 }
|
|
|
2621 #ifdef FEAT_MBYTE
|
|
|
2622 /* For "\u" store the number according to
|
|
|
2623 * 'encoding'. */
|
|
|
2624 if (c != 'X')
|
|
|
2625 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2626 else
|
|
|
2627 #endif
|
|
|
2628 name[i++] = nr;
|
|
|
2629 }
|
|
|
2630 else
|
|
|
2631 name[i++] = *p;
|
|
|
2632 break;
|
|
|
2633
|
|
|
2634 /* octal: "\1", "\12", "\123" */
|
|
|
2635 case '0':
|
|
|
2636 case '1':
|
|
|
2637 case '2':
|
|
|
2638 case '3':
|
|
|
2639 case '4':
|
|
|
2640 case '5':
|
|
|
2641 case '6':
|
|
|
2642 case '7': name[i] = *p - '0';
|
|
|
2643 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2644 {
|
|
|
2645 ++p;
|
|
|
2646 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2647 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2648 {
|
|
|
2649 ++p;
|
|
|
2650 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2651 }
|
|
|
2652 }
|
|
|
2653 ++i;
|
|
|
2654 break;
|
|
|
2655
|
|
|
2656 /* Special key, e.g.: "\<C-W>" */
|
|
|
2657 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2658 if (extra != 0)
|
|
|
2659 {
|
|
|
2660 i += extra;
|
|
|
2661 --p;
|
|
|
2662 break;
|
|
|
2663 }
|
|
|
2664 /* FALLTHROUGH */
|
|
|
2665
|
|
|
2666 default: name[i++] = *p;
|
|
|
2667 break;
|
|
|
2668 }
|
|
|
2669 }
|
|
|
2670 else
|
|
|
2671 name[i++] = *p;
|
|
|
2672
|
|
|
2673 #ifdef FEAT_MBYTE
|
|
|
2674 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2675 if (has_mbyte)
|
|
|
2676 {
|
|
|
2677 int l = (*mb_ptr2len_check)(p);
|
|
|
2678
|
|
|
2679 while (--l > 0)
|
|
|
2680 name[i++] = *++p;
|
|
|
2681 }
|
|
|
2682 #endif
|
|
|
2683 }
|
|
|
2684 name[i] = NUL;
|
|
|
2685 *arg = p + 1;
|
|
|
2686
|
|
|
2687 retvar->var_type = VAR_STRING;
|
|
|
2688 retvar->var_val.var_string = name;
|
|
|
2689
|
|
|
2690 return OK;
|
|
|
2691 }
|
|
|
2692
|
|
|
2693 /*
|
|
|
2694 * Allocate a variable for an backtick-string constant.
|
|
|
2695 * Return OK or FAIL.
|
|
|
2696 */
|
|
|
2697 static int
|
|
|
2698 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2699 char_u **arg;
|
|
|
2700 VAR retvar;
|
|
|
2701 int evaluate;
|
|
|
2702 {
|
|
|
2703 char_u *p;
|
|
|
2704 char_u *name;
|
|
|
2705
|
|
|
2706 /*
|
|
|
2707 * Find the end of the string.
|
|
|
2708 */
|
|
|
2709 p = vim_strchr(*arg + 1, '\'');
|
|
|
2710 if (p == NULL)
|
|
|
2711 {
|
|
|
2712 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2713 return FAIL;
|
|
|
2714 }
|
|
|
2715
|
|
|
2716 if (evaluate)
|
|
|
2717 {
|
|
|
2718 /*
|
|
|
2719 * Copy the string into allocated memory.
|
|
|
2720 */
|
|
|
2721 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2722 if (name == NULL)
|
|
|
2723 return FAIL;
|
|
|
2724
|
|
|
2725 retvar->var_type = VAR_STRING;
|
|
|
2726 retvar->var_val.var_string = name;
|
|
|
2727 }
|
|
|
2728
|
|
|
2729 *arg = p + 1;
|
|
|
2730
|
|
|
2731 return OK;
|
|
|
2732 }
|
|
|
2733
|
|
|
2734 /*
|
|
|
2735 * Get the value of an environment variable.
|
|
|
2736 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2737 * If the environment variable was not set, silently assume it is empty.
|
|
|
2738 * Always return OK.
|
|
|
2739 */
|
|
|
2740 static int
|
|
|
2741 get_env_var(arg, retvar, evaluate)
|
|
|
2742 char_u **arg;
|
|
|
2743 VAR retvar;
|
|
|
2744 int evaluate;
|
|
|
2745 {
|
|
|
2746 char_u *string = NULL;
|
|
|
2747 int len;
|
|
|
2748 int cc;
|
|
|
2749 char_u *name;
|
|
|
2750
|
|
|
2751 ++*arg;
|
|
|
2752 name = *arg;
|
|
|
2753 len = get_env_len(arg);
|
|
|
2754 if (evaluate)
|
|
|
2755 {
|
|
|
2756 if (len != 0)
|
|
|
2757 {
|
|
|
2758 cc = name[len];
|
|
|
2759 name[len] = NUL;
|
|
|
2760 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2761 string = mch_getenv(name);
|
|
|
2762 if (string != NULL && *string != NUL)
|
|
|
2763 string = vim_strsave(string);
|
|
|
2764 else
|
|
|
2765 {
|
|
|
2766 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2767 string = expand_env_save(name - 1);
|
|
|
2768 if (string != NULL && *string == '$')
|
|
|
2769 {
|
|
|
2770 vim_free(string);
|
|
|
2771 string = NULL;
|
|
|
2772 }
|
|
|
2773 }
|
|
|
2774 name[len] = cc;
|
|
|
2775 }
|
|
|
2776 retvar->var_type = VAR_STRING;
|
|
|
2777 retvar->var_val.var_string = string;
|
|
|
2778 }
|
|
|
2779
|
|
|
2780 return OK;
|
|
|
2781 }
|
|
|
2782
|
|
|
2783 /*
|
|
|
2784 * Array with names and number of arguments of all internal functions
|
|
|
2785 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2786 */
|
|
|
2787 static struct fst
|
|
|
2788 {
|
|
|
2789 char *f_name; /* function name */
|
|
|
2790 char f_min_argc; /* minimal number of arguments */
|
|
|
2791 char f_max_argc; /* maximal number of arguments */
|
|
|
2792 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2793 } functions[] =
|
|
|
2794 {
|
|
|
2795 {"append", 2, 2, f_append},
|
|
|
2796 {"argc", 0, 0, f_argc},
|
|
|
2797 {"argidx", 0, 0, f_argidx},
|
|
|
2798 {"argv", 1, 1, f_argv},
|
|
|
2799 {"browse", 4, 4, f_browse},
|
|
|
2800 {"bufexists", 1, 1, f_bufexists},
|
|
|
2801 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2802 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2803 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2804 {"buflisted", 1, 1, f_buflisted},
|
|
|
2805 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2806 {"bufname", 1, 1, f_bufname},
|
|
|
2807 {"bufnr", 1, 1, f_bufnr},
|
|
|
2808 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2809 {"byte2line", 1, 1, f_byte2line},
|
|
|
2810 {"char2nr", 1, 1, f_char2nr},
|
|
|
2811 {"cindent", 1, 1, f_cindent},
|
|
|
2812 {"col", 1, 1, f_col},
|
|
|
2813 {"confirm", 1, 4, f_confirm},
|
|
|
2814 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2815 {"cursor", 2, 2, f_cursor},
|
|
|
2816 {"delete", 1, 1, f_delete},
|
|
|
2817 {"did_filetype", 0, 0, f_did_filetype},
|
|
|
2818 {"escape", 2, 2, f_escape},
|
|
|
2819 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2820 {"executable", 1, 1, f_executable},
|
|
|
2821 {"exists", 1, 1, f_exists},
|
|
|
2822 {"expand", 1, 2, f_expand},
|
|
|
2823 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2824 {"filereadable", 1, 1, f_filereadable},
|
|
|
2825 {"filewritable", 1, 1, f_filewritable},
|
|
|
2826 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2827 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2828 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2829 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2830 {"foldtext", 0, 0, f_foldtext},
|
|
|
2831 {"foreground", 0, 0, f_foreground},
|
|
|
2832 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2833 {"getchar", 0, 1, f_getchar},
|
|
|
2834 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2835 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2836 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2837 {"getcwd", 0, 0, f_getcwd},
|
|
|
2838 {"getfsize", 1, 1, f_getfsize},
|
|
|
2839 {"getftime", 1, 1, f_getftime},
|
|
|
2840 {"getline", 1, 1, f_getline},
|
|
|
2841 {"getreg", 0, 1, f_getreg},
|
|
|
2842 {"getregtype", 0, 1, f_getregtype},
|
|
|
2843 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2844 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2845 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2846 {"glob", 1, 1, f_glob},
|
|
|
2847 {"globpath", 2, 2, f_globpath},
|
|
|
2848 {"has", 1, 1, f_has},
|
|
|
2849 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2850 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2851 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2852 {"histadd", 2, 2, f_histadd},
|
|
|
2853 {"histdel", 1, 2, f_histdel},
|
|
|
2854 {"histget", 1, 2, f_histget},
|
|
|
2855 {"histnr", 1, 1, f_histnr},
|
|
|
2856 {"hlID", 1, 1, f_hlID},
|
|
|
2857 {"hlexists", 1, 1, f_hlexists},
|
|
|
2858 {"hostname", 0, 0, f_hostname},
|
|
|
2859 {"iconv", 3, 3, f_iconv},
|
|
|
2860 {"indent", 1, 1, f_indent},
|
|
|
2861 {"input", 1, 2, f_input},
|
|
|
2862 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2863 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2864 {"inputsave", 0, 0, f_inputsave},
|
|
|
2865 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2866 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2867 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2868 {"libcall", 3, 3, f_libcall},
|
|
|
2869 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2870 {"line", 1, 1, f_line},
|
|
|
2871 {"line2byte", 1, 1, f_line2byte},
|
|
|
2872 {"lispindent", 1, 1, f_lispindent},
|
|
|
2873 {"localtime", 0, 0, f_localtime},
|
|
|
2874 {"maparg", 1, 2, f_maparg},
|
|
|
2875 {"mapcheck", 1, 2, f_mapcheck},
|
|
|
2876 {"match", 2, 3, f_match},
|
|
|
2877 {"matchend", 2, 3, f_matchend},
|
|
|
2878 {"matchstr", 2, 3, f_matchstr},
|
|
|
2879 {"mode", 0, 0, f_mode},
|
|
|
2880 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2881 {"nr2char", 1, 1, f_nr2char},
|
|
|
2882 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2883 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2884 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2885 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2886 {"remote_read", 1, 1, f_remote_read},
|
|
|
2887 {"remote_send", 2, 3, f_remote_send},
|
|
|
2888 {"rename", 2, 2, f_rename},
|
|
|
2889 {"resolve", 1, 1, f_resolve},
|
|
|
2890 {"search", 1, 2, f_search},
|
|
|
2891 {"searchpair", 3, 5, f_searchpair},
|
|
|
2892 {"server2client", 2, 2, f_server2client},
|
|
|
2893 {"serverlist", 0, 0, f_serverlist},
|
|
|
2894 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2895 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2896 {"setline", 2, 2, f_setline},
|
|
|
2897 {"setreg", 2, 3, f_setreg},
|
|
|
2898 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2899 {"simplify", 1, 1, f_simplify},
|
|
|
2900 #ifdef HAVE_STRFTIME
|
|
|
2901 {"strftime", 1, 2, f_strftime},
|
|
|
2902 #endif
|
|
|
2903 {"stridx", 2, 2, f_stridx},
|
|
|
2904 {"strlen", 1, 1, f_strlen},
|
|
|
2905 {"strpart", 2, 3, f_strpart},
|
|
|
2906 {"strridx", 2, 2, f_strridx},
|
|
|
2907 {"strtrans", 1, 1, f_strtrans},
|
|
|
2908 {"submatch", 1, 1, f_submatch},
|
|
|
2909 {"substitute", 4, 4, f_substitute},
|
|
|
2910 {"synID", 3, 3, f_synID},
|
|
|
2911 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2912 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
|
2913 {"system", 1, 1, f_system},
|
|
|
2914 {"tempname", 0, 0, f_tempname},
|
|
|
2915 {"tolower", 1, 1, f_tolower},
|
|
|
2916 {"toupper", 1, 1, f_toupper},
|
|
|
2917 {"type", 1, 1, f_type},
|
|
|
2918 {"virtcol", 1, 1, f_virtcol},
|
|
|
2919 {"visualmode", 0, 1, f_visualmode},
|
|
|
2920 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2921 {"wincol", 0, 0, f_wincol},
|
|
|
2922 {"winheight", 1, 1, f_winheight},
|
|
|
2923 {"winline", 0, 0, f_winline},
|
|
|
2924 {"winnr", 0, 0, f_winnr},
|
|
|
2925 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2926 {"winwidth", 1, 1, f_winwidth},
|
|
|
2927 };
|
|
|
2928
|
|
|
2929 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2930
|
|
|
2931 /*
|
|
|
2932 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2933 * or user defined function names.
|
|
|
2934 */
|
|
|
2935 char_u *
|
|
|
2936 get_function_name(xp, idx)
|
|
|
2937 expand_T *xp;
|
|
|
2938 int idx;
|
|
|
2939 {
|
|
|
2940 static int intidx = -1;
|
|
|
2941 char_u *name;
|
|
|
2942
|
|
|
2943 if (idx == 0)
|
|
|
2944 intidx = -1;
|
|
|
2945 if (intidx < 0)
|
|
|
2946 {
|
|
|
2947 name = get_user_func_name(xp, idx);
|
|
|
2948 if (name != NULL)
|
|
|
2949 return name;
|
|
|
2950 }
|
|
|
2951 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2952 {
|
|
|
2953 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2954 STRCAT(IObuff, "(");
|
|
|
2955 if (functions[intidx].f_max_argc == 0)
|
|
|
2956 STRCAT(IObuff, ")");
|
|
|
2957 return IObuff;
|
|
|
2958 }
|
|
|
2959
|
|
|
2960 return NULL;
|
|
|
2961 }
|
|
|
2962
|
|
|
2963 /*
|
|
|
2964 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2965 * user defined variable or function names.
|
|
|
2966 */
|
|
|
2967 /*ARGSUSED*/
|
|
|
2968 char_u *
|
|
|
2969 get_expr_name(xp, idx)
|
|
|
2970 expand_T *xp;
|
|
|
2971 int idx;
|
|
|
2972 {
|
|
|
2973 static int intidx = -1;
|
|
|
2974 char_u *name;
|
|
|
2975
|
|
|
2976 if (idx == 0)
|
|
|
2977 intidx = -1;
|
|
|
2978 if (intidx < 0)
|
|
|
2979 {
|
|
|
2980 name = get_function_name(xp, idx);
|
|
|
2981 if (name != NULL)
|
|
|
2982 return name;
|
|
|
2983 }
|
|
|
2984 return get_user_var_name(xp, ++intidx);
|
|
|
2985 }
|
|
|
2986
|
|
|
2987 #endif /* FEAT_CMDL_COMPL */
|
|
|
2988
|
|
|
2989 /*
|
|
|
2990 * Find internal function in table above.
|
|
|
2991 * Return index, or -1 if not found
|
|
|
2992 */
|
|
|
2993 static int
|
|
|
2994 find_internal_func(name)
|
|
|
2995 char_u *name; /* name of the function */
|
|
|
2996 {
|
|
|
2997 int first = 0;
|
|
|
2998 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
2999 int cmp;
|
|
|
3000 int x;
|
|
|
3001
|
|
|
3002 /*
|
|
|
3003 * Find the function name in the table. Binary search.
|
|
|
3004 */
|
|
|
3005 while (first <= last)
|
|
|
3006 {
|
|
|
3007 x = first + ((unsigned)(last - first) >> 1);
|
|
|
3008 cmp = STRCMP(name, functions[x].f_name);
|
|
|
3009 if (cmp < 0)
|
|
|
3010 last = x - 1;
|
|
|
3011 else if (cmp > 0)
|
|
|
3012 first = x + 1;
|
|
|
3013 else
|
|
|
3014 return x;
|
|
|
3015 }
|
|
|
3016 return -1;
|
|
|
3017 }
|
|
|
3018
|
|
|
3019 /*
|
|
|
3020 * Allocate a variable for the result of a function.
|
|
|
3021 * Return OK or FAIL.
|
|
|
3022 */
|
|
|
3023 static int
|
|
|
3024 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3025 char_u *name; /* name of the function */
|
|
|
3026 int len; /* length of "name" */
|
|
|
3027 VAR retvar;
|
|
|
3028 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3029 linenr_T firstline; /* first line of range */
|
|
|
3030 linenr_T lastline; /* last line of range */
|
|
|
3031 int *doesrange; /* return: function handled range */
|
|
|
3032 int evaluate;
|
|
|
3033 {
|
|
|
3034 char_u *argp;
|
|
|
3035 int ret = OK;
|
|
|
3036 #define MAX_FUNC_ARGS 20
|
|
|
3037 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3038 int argcount = 0; /* number of arguments found */
|
|
|
3039
|
|
|
3040 /*
|
|
|
3041 * Get the arguments.
|
|
|
3042 */
|
|
|
3043 argp = *arg;
|
|
|
3044 while (argcount < MAX_FUNC_ARGS)
|
|
|
3045 {
|
|
|
3046 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3047 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3048 break;
|
|
|
3049 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3050 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3051 {
|
|
|
3052 ret = FAIL;
|
|
|
3053 break;
|
|
|
3054 }
|
|
|
3055 ++argcount;
|
|
|
3056 if (*argp != ',')
|
|
|
3057 break;
|
|
|
3058 }
|
|
|
3059 if (*argp == ')')
|
|
|
3060 ++argp;
|
|
|
3061 else
|
|
|
3062 ret = FAIL;
|
|
|
3063
|
|
|
3064 if (ret == OK)
|
|
|
3065 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3066 firstline, lastline, doesrange, evaluate);
|
|
|
3067 else if (!aborting())
|
|
|
3068 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3069
|
|
|
3070 while (--argcount >= 0)
|
|
|
3071 clear_var(&argvars[argcount]);
|
|
|
3072
|
|
|
3073 *arg = skipwhite(argp);
|
|
|
3074 return ret;
|
|
|
3075 }
|
|
|
3076
|
|
|
3077
|
|
|
3078 /*
|
|
|
3079 * Call a function with its resolved parameters
|
|
|
3080 * Return OK or FAIL.
|
|
|
3081 */
|
|
|
3082 static int
|
|
|
3083 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3084 doesrange, evaluate)
|
|
|
3085 char_u *name; /* name of the function */
|
|
|
3086 int len; /* length of "name" */
|
|
|
3087 VAR retvar; /* return value goes here */
|
|
|
3088 int argcount; /* number of "argvars" */
|
|
|
3089 VAR argvars; /* vars for arguments */
|
|
|
3090 linenr_T firstline; /* first line of range */
|
|
|
3091 linenr_T lastline; /* last line of range */
|
|
|
3092 int *doesrange; /* return: function handled range */
|
|
|
3093 int evaluate;
|
|
|
3094 {
|
|
|
3095 int ret = FAIL;
|
|
|
3096 static char *errors[] =
|
|
|
3097 {N_("E117: Unknown function: %s"),
|
|
|
3098 N_("E118: Too many arguments for function: %s"),
|
|
|
3099 N_("E119: Not enough arguments for function: %s"),
|
|
|
3100 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3101 };
|
|
|
3102 #define ERROR_UNKNOWN 0
|
|
|
3103 #define ERROR_TOOMANY 1
|
|
|
3104 #define ERROR_TOOFEW 2
|
|
|
3105 #define ERROR_SCRIPT 3
|
|
|
3106 #define ERROR_NONE 4
|
|
|
3107 #define ERROR_OTHER 5
|
|
|
3108 int error = ERROR_NONE;
|
|
|
3109 int i;
|
|
|
3110 int llen;
|
|
|
3111 ufunc_T *fp;
|
|
|
3112 int cc;
|
|
|
3113 #define FLEN_FIXED 40
|
|
|
3114 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3115 char_u *fname;
|
|
|
3116
|
|
|
3117 /*
|
|
|
3118 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3119 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3120 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3121 */
|
|
|
3122 cc = name[len];
|
|
|
3123 name[len] = NUL;
|
|
|
3124 llen = eval_fname_script(name);
|
|
|
3125 if (llen > 0)
|
|
|
3126 {
|
|
|
3127 fname_buf[0] = K_SPECIAL;
|
|
|
3128 fname_buf[1] = KS_EXTRA;
|
|
|
3129 fname_buf[2] = (int)KE_SNR;
|
|
|
3130 i = 3;
|
|
|
3131 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3132 {
|
|
|
3133 if (current_SID <= 0)
|
|
|
3134 error = ERROR_SCRIPT;
|
|
|
3135 else
|
|
|
3136 {
|
|
|
3137 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3138 i = (int)STRLEN(fname_buf);
|
|
|
3139 }
|
|
|
3140 }
|
|
|
3141 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3142 {
|
|
|
3143 STRCPY(fname_buf + i, name + llen);
|
|
|
3144 fname = fname_buf;
|
|
|
3145 }
|
|
|
3146 else
|
|
|
3147 {
|
|
|
3148 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3149 if (fname == NULL)
|
|
|
3150 error = ERROR_OTHER;
|
|
|
3151 else
|
|
|
3152 {
|
|
|
3153 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3154 STRCPY(fname + i, name + llen);
|
|
|
3155 }
|
|
|
3156 }
|
|
|
3157 }
|
|
|
3158 else
|
|
|
3159 fname = name;
|
|
|
3160
|
|
|
3161 *doesrange = FALSE;
|
|
|
3162
|
|
|
3163
|
|
|
3164 /* execute the function if no errors detected and executing */
|
|
|
3165 if (evaluate && error == ERROR_NONE)
|
|
|
3166 {
|
|
|
3167 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3168 error = ERROR_UNKNOWN;
|
|
|
3169
|
|
|
3170 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3171 {
|
|
|
3172 /*
|
|
|
3173 * User defined function.
|
|
|
3174 */
|
|
|
3175 fp = find_func(fname);
|
|
|
3176 #ifdef FEAT_AUTOCMD
|
|
|
3177 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3178 fname, fname, TRUE, NULL)
|
|
|
3179 #ifdef FEAT_EVAL
|
|
|
3180 && !aborting()
|
|
|
3181 #endif
|
|
|
3182 )
|
|
|
3183 {
|
|
|
3184 /* executed an autocommand, search for function again */
|
|
|
3185 fp = find_func(fname);
|
|
|
3186 }
|
|
|
3187 #endif
|
|
|
3188 if (fp != NULL)
|
|
|
3189 {
|
|
|
3190 if (fp->flags & FC_RANGE)
|
|
|
3191 *doesrange = TRUE;
|
|
|
3192 if (argcount < fp->args.ga_len)
|
|
|
3193 error = ERROR_TOOFEW;
|
|
|
3194 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3195 error = ERROR_TOOMANY;
|
|
|
3196 else
|
|
|
3197 {
|
|
|
3198 /*
|
|
|
3199 * Call the user function.
|
|
|
3200 * Save and restore search patterns, script variables and
|
|
|
3201 * redo buffer.
|
|
|
3202 */
|
|
|
3203 save_search_patterns();
|
|
|
3204 saveRedobuff();
|
|
|
3205 ++fp->calls;
|
|
|
3206 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3207 firstline, lastline);
|
|
|
3208 --fp->calls;
|
|
|
3209 restoreRedobuff();
|
|
|
3210 restore_search_patterns();
|
|
|
3211 error = ERROR_NONE;
|
|
|
3212 }
|
|
|
3213 }
|
|
|
3214 }
|
|
|
3215 else
|
|
|
3216 {
|
|
|
3217 /*
|
|
|
3218 * Find the function name in the table, call its implementation.
|
|
|
3219 */
|
|
|
3220 i = find_internal_func(fname);
|
|
|
3221 if (i >= 0)
|
|
|
3222 {
|
|
|
3223 if (argcount < functions[i].f_min_argc)
|
|
|
3224 error = ERROR_TOOFEW;
|
|
|
3225 else if (argcount > functions[i].f_max_argc)
|
|
|
3226 error = ERROR_TOOMANY;
|
|
|
3227 else
|
|
|
3228 {
|
|
|
3229 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3230 functions[i].f_func(argvars, retvar);
|
|
|
3231 error = ERROR_NONE;
|
|
|
3232 }
|
|
|
3233 }
|
|
|
3234 }
|
|
|
3235 /*
|
|
|
3236 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3237 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3238 * exception that has not been caught so far. This situation can be
|
|
|
3239 * tested for by calling aborting(). For an error in an internal
|
|
|
3240 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3241 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3242 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3243 * update that flag first to make aborting() reliable.
|
|
|
3244 */
|
|
|
3245 update_force_abort();
|
|
|
3246 }
|
|
|
3247 if (error == ERROR_NONE)
|
|
|
3248 ret = OK;
|
|
|
3249
|
|
|
3250 /*
|
|
|
3251 * Report an error unless the argument evaluation or function call has been
|
|
|
3252 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3253 */
|
|
|
3254 if (error < ERROR_NONE && !aborting())
|
|
|
3255 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3256
|
|
|
3257 name[len] = cc;
|
|
|
3258 if (fname != name && fname != fname_buf)
|
|
|
3259 vim_free(fname);
|
|
|
3260
|
|
|
3261 return ret;
|
|
|
3262 }
|
|
|
3263
|
|
|
3264 /*********************************************
|
|
|
3265 * Implementation of the built-in functions
|
|
|
3266 */
|
|
|
3267
|
|
|
3268 /*
|
|
|
3269 * "append(lnum, string)" function
|
|
|
3270 */
|
|
|
3271 static void
|
|
|
3272 f_append(argvars, retvar)
|
|
|
3273 VAR argvars;
|
|
|
3274 VAR retvar;
|
|
|
3275 {
|
|
|
3276 long lnum;
|
|
|
3277
|
|
|
3278 lnum = get_var_lnum(argvars);
|
|
|
3279 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3280
|
|
|
3281 if (lnum >= 0
|
|
|
3282 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3283 && u_save(lnum, lnum + 1) == OK)
|
|
|
3284 {
|
|
|
3285 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3286 if (curwin->w_cursor.lnum > lnum)
|
|
|
3287 ++curwin->w_cursor.lnum;
|
|
|
3288 appended_lines_mark(lnum, 1L);
|
|
|
3289 retvar->var_val.var_number = 0;
|
|
|
3290 }
|
|
|
3291 }
|
|
|
3292
|
|
|
3293 /*
|
|
|
3294 * "argc()" function
|
|
|
3295 */
|
|
|
3296 /* ARGSUSED */
|
|
|
3297 static void
|
|
|
3298 f_argc(argvars, retvar)
|
|
|
3299 VAR argvars;
|
|
|
3300 VAR retvar;
|
|
|
3301 {
|
|
|
3302 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3303 }
|
|
|
3304
|
|
|
3305 /*
|
|
|
3306 * "argidx()" function
|
|
|
3307 */
|
|
|
3308 /* ARGSUSED */
|
|
|
3309 static void
|
|
|
3310 f_argidx(argvars, retvar)
|
|
|
3311 VAR argvars;
|
|
|
3312 VAR retvar;
|
|
|
3313 {
|
|
|
3314 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3315 }
|
|
|
3316
|
|
|
3317 /*
|
|
|
3318 * "argv(nr)" function
|
|
|
3319 */
|
|
|
3320 static void
|
|
|
3321 f_argv(argvars, retvar)
|
|
|
3322 VAR argvars;
|
|
|
3323 VAR retvar;
|
|
|
3324 {
|
|
|
3325 int idx;
|
|
|
3326
|
|
|
3327 idx = get_var_number(&argvars[0]);
|
|
|
3328 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3329 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3330 else
|
|
|
3331 retvar->var_val.var_string = NULL;
|
|
|
3332 retvar->var_type = VAR_STRING;
|
|
|
3333 }
|
|
|
3334
|
|
|
3335 /*
|
|
|
3336 * "browse(save, title, initdir, default)" function
|
|
|
3337 */
|
|
|
3338 /* ARGSUSED */
|
|
|
3339 static void
|
|
|
3340 f_browse(argvars, retvar)
|
|
|
3341 VAR argvars;
|
|
|
3342 VAR retvar;
|
|
|
3343 {
|
|
|
3344 #ifdef FEAT_BROWSE
|
|
|
3345 int save;
|
|
|
3346 char_u *title;
|
|
|
3347 char_u *initdir;
|
|
|
3348 char_u *defname;
|
|
|
3349 char_u buf[NUMBUFLEN];
|
|
|
3350 char_u buf2[NUMBUFLEN];
|
|
|
3351
|
|
|
3352 save = get_var_number(&argvars[0]);
|
|
|
3353 title = get_var_string(&argvars[1]);
|
|
|
3354 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3355 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3356
|
|
|
3357 retvar->var_val.var_string =
|
|
|
3358 do_browse(save, title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3359 #else
|
|
|
3360 retvar->var_val.var_string = NULL;
|
|
|
3361 #endif
|
|
|
3362 retvar->var_type = VAR_STRING;
|
|
|
3363 }
|
|
|
3364
|
|
|
3365 /*
|
|
|
3366 * Find a buffer by number or exact name.
|
|
|
3367 */
|
|
|
3368 static buf_T *
|
|
|
3369 find_buffer(avar)
|
|
|
3370 VAR avar;
|
|
|
3371 {
|
|
|
3372 buf_T *buf = NULL;
|
|
|
3373 char_u *name;
|
|
|
3374
|
|
|
3375 if (avar->var_type == VAR_NUMBER)
|
|
|
3376 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3377 else if (avar->var_val.var_string != NULL)
|
|
|
3378 {
|
|
|
3379 /* First make the name into a full path name */
|
|
|
3380 name = FullName_save(avar->var_val.var_string,
|
|
|
3381 #ifdef UNIX
|
|
|
3382 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3383 #else
|
|
|
3384 FALSE
|
|
|
3385 #endif
|
|
|
3386 );
|
|
|
3387 if (name != NULL)
|
|
|
3388 {
|
|
|
3389 buf = buflist_findname(name);
|
|
|
3390 vim_free(name);
|
|
|
3391 }
|
|
9
|
3392 if (buf == NULL)
|
|
|
3393 {
|
|
|
3394 /* No full path name match, try a match with a URL or a "nofile"
|
|
|
3395 * buffer, these don't use the full path. */
|
|
|
3396 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
3397 if (buf->b_fname != NULL
|
|
|
3398 && (path_with_url(buf->b_fname)
|
|
|
3399 #ifdef FEAT_QUICKFIX
|
|
|
3400 || bt_nofile(buf)
|
|
|
3401 #endif
|
|
|
3402 )
|
|
|
3403 && STRCMP(buf->b_fname, avar->var_val.var_string) == 0)
|
|
|
3404 break;
|
|
|
3405 }
|
|
7
|
3406 }
|
|
|
3407 return buf;
|
|
|
3408 }
|
|
|
3409
|
|
|
3410 /*
|
|
|
3411 * "bufexists(expr)" function
|
|
|
3412 */
|
|
|
3413 static void
|
|
|
3414 f_bufexists(argvars, retvar)
|
|
|
3415 VAR argvars;
|
|
|
3416 VAR retvar;
|
|
|
3417 {
|
|
|
3418 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3419 }
|
|
|
3420
|
|
|
3421 /*
|
|
|
3422 * "buflisted(expr)" function
|
|
|
3423 */
|
|
|
3424 static void
|
|
|
3425 f_buflisted(argvars, retvar)
|
|
|
3426 VAR argvars;
|
|
|
3427 VAR retvar;
|
|
|
3428 {
|
|
|
3429 buf_T *buf;
|
|
|
3430
|
|
|
3431 buf = find_buffer(&argvars[0]);
|
|
|
3432 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3433 }
|
|
|
3434
|
|
|
3435 /*
|
|
|
3436 * "bufloaded(expr)" function
|
|
|
3437 */
|
|
|
3438 static void
|
|
|
3439 f_bufloaded(argvars, retvar)
|
|
|
3440 VAR argvars;
|
|
|
3441 VAR retvar;
|
|
|
3442 {
|
|
|
3443 buf_T *buf;
|
|
|
3444
|
|
|
3445 buf = find_buffer(&argvars[0]);
|
|
|
3446 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3447 }
|
|
|
3448
|
|
|
3449 /*
|
|
|
3450 * Get buffer by number or pattern.
|
|
|
3451 */
|
|
|
3452 static buf_T *
|
|
|
3453 get_buf_var(avar)
|
|
|
3454 VAR avar;
|
|
|
3455 {
|
|
|
3456 char_u *name = avar->var_val.var_string;
|
|
|
3457 int save_magic;
|
|
|
3458 char_u *save_cpo;
|
|
|
3459 buf_T *buf;
|
|
|
3460
|
|
|
3461 if (avar->var_type == VAR_NUMBER)
|
|
|
3462 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3463 if (name == NULL || *name == NUL)
|
|
|
3464 return curbuf;
|
|
|
3465 if (name[0] == '$' && name[1] == NUL)
|
|
|
3466 return lastbuf;
|
|
|
3467
|
|
|
3468 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3469 save_magic = p_magic;
|
|
|
3470 p_magic = TRUE;
|
|
|
3471 save_cpo = p_cpo;
|
|
|
3472 p_cpo = (char_u *)"";
|
|
|
3473
|
|
|
3474 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3475 TRUE, FALSE));
|
|
|
3476
|
|
|
3477 p_magic = save_magic;
|
|
|
3478 p_cpo = save_cpo;
|
|
|
3479
|
|
|
3480 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3481 if (buf == NULL)
|
|
|
3482 buf = find_buffer(avar);
|
|
|
3483
|
|
|
3484 return buf;
|
|
|
3485 }
|
|
|
3486
|
|
|
3487 /*
|
|
|
3488 * "bufname(expr)" function
|
|
|
3489 */
|
|
|
3490 static void
|
|
|
3491 f_bufname(argvars, retvar)
|
|
|
3492 VAR argvars;
|
|
|
3493 VAR retvar;
|
|
|
3494 {
|
|
|
3495 buf_T *buf;
|
|
|
3496
|
|
|
3497 ++emsg_off;
|
|
|
3498 buf = get_buf_var(&argvars[0]);
|
|
|
3499 retvar->var_type = VAR_STRING;
|
|
|
3500 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3501 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3502 else
|
|
|
3503 retvar->var_val.var_string = NULL;
|
|
|
3504 --emsg_off;
|
|
|
3505 }
|
|
|
3506
|
|
|
3507 /*
|
|
|
3508 * "bufnr(expr)" function
|
|
|
3509 */
|
|
|
3510 static void
|
|
|
3511 f_bufnr(argvars, retvar)
|
|
|
3512 VAR argvars;
|
|
|
3513 VAR retvar;
|
|
|
3514 {
|
|
|
3515 buf_T *buf;
|
|
|
3516
|
|
|
3517 ++emsg_off;
|
|
|
3518 buf = get_buf_var(&argvars[0]);
|
|
|
3519 if (buf != NULL)
|
|
|
3520 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3521 else
|
|
|
3522 retvar->var_val.var_number = -1;
|
|
|
3523 --emsg_off;
|
|
|
3524 }
|
|
|
3525
|
|
|
3526 /*
|
|
|
3527 * "bufwinnr(nr)" function
|
|
|
3528 */
|
|
|
3529 static void
|
|
|
3530 f_bufwinnr(argvars, retvar)
|
|
|
3531 VAR argvars;
|
|
|
3532 VAR retvar;
|
|
|
3533 {
|
|
|
3534 #ifdef FEAT_WINDOWS
|
|
|
3535 win_T *wp;
|
|
|
3536 int winnr = 0;
|
|
|
3537 #endif
|
|
|
3538 buf_T *buf;
|
|
|
3539
|
|
|
3540 ++emsg_off;
|
|
|
3541 buf = get_buf_var(&argvars[0]);
|
|
|
3542 #ifdef FEAT_WINDOWS
|
|
|
3543 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3544 {
|
|
|
3545 ++winnr;
|
|
|
3546 if (wp->w_buffer == buf)
|
|
|
3547 break;
|
|
|
3548 }
|
|
|
3549 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3550 #else
|
|
|
3551 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3552 #endif
|
|
|
3553 --emsg_off;
|
|
|
3554 }
|
|
|
3555
|
|
|
3556 /*
|
|
|
3557 * "byte2line(byte)" function
|
|
|
3558 */
|
|
|
3559 /*ARGSUSED*/
|
|
|
3560 static void
|
|
|
3561 f_byte2line(argvars, retvar)
|
|
|
3562 VAR argvars;
|
|
|
3563 VAR retvar;
|
|
|
3564 {
|
|
|
3565 #ifndef FEAT_BYTEOFF
|
|
|
3566 retvar->var_val.var_number = -1;
|
|
|
3567 #else
|
|
|
3568 long boff = 0;
|
|
|
3569
|
|
|
3570 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3571 if (boff < 0)
|
|
|
3572 retvar->var_val.var_number = -1;
|
|
|
3573 else
|
|
|
3574 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3575 (linenr_T)0, &boff);
|
|
|
3576 #endif
|
|
|
3577 }
|
|
|
3578
|
|
|
3579 /*
|
|
|
3580 * "char2nr(string)" function
|
|
|
3581 */
|
|
|
3582 static void
|
|
|
3583 f_char2nr(argvars, retvar)
|
|
|
3584 VAR argvars;
|
|
|
3585 VAR retvar;
|
|
|
3586 {
|
|
|
3587 #ifdef FEAT_MBYTE
|
|
|
3588 if (has_mbyte)
|
|
|
3589 retvar->var_val.var_number =
|
|
|
3590 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3591 else
|
|
|
3592 #endif
|
|
|
3593 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3594 }
|
|
|
3595
|
|
|
3596 /*
|
|
|
3597 * "cindent(lnum)" function
|
|
|
3598 */
|
|
|
3599 static void
|
|
|
3600 f_cindent(argvars, retvar)
|
|
|
3601 VAR argvars;
|
|
|
3602 VAR retvar;
|
|
|
3603 {
|
|
|
3604 #ifdef FEAT_CINDENT
|
|
|
3605 pos_T pos;
|
|
|
3606 linenr_T lnum;
|
|
|
3607
|
|
|
3608 pos = curwin->w_cursor;
|
|
|
3609 lnum = get_var_lnum(argvars);
|
|
|
3610 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3611 {
|
|
|
3612 curwin->w_cursor.lnum = lnum;
|
|
|
3613 retvar->var_val.var_number = get_c_indent();
|
|
|
3614 curwin->w_cursor = pos;
|
|
|
3615 }
|
|
|
3616 else
|
|
|
3617 #endif
|
|
|
3618 retvar->var_val.var_number = -1;
|
|
|
3619 }
|
|
|
3620
|
|
|
3621 /*
|
|
|
3622 * "col(string)" function
|
|
|
3623 */
|
|
|
3624 static void
|
|
|
3625 f_col(argvars, retvar)
|
|
|
3626 VAR argvars;
|
|
|
3627 VAR retvar;
|
|
|
3628 {
|
|
|
3629 colnr_T col = 0;
|
|
|
3630 pos_T *fp;
|
|
|
3631
|
|
|
3632 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3633 if (fp != NULL)
|
|
|
3634 {
|
|
|
3635 if (fp->col == MAXCOL)
|
|
|
3636 {
|
|
|
3637 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3638 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3639 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3640 else
|
|
|
3641 col = MAXCOL;
|
|
|
3642 }
|
|
|
3643 else
|
|
|
3644 {
|
|
|
3645 col = fp->col + 1;
|
|
|
3646 #ifdef FEAT_VIRTUALEDIT
|
|
|
3647 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3648 * because of "coladd" can be seen as an extra column. */
|
|
|
3649 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3650 {
|
|
|
3651 char_u *p = ml_get_cursor();
|
|
|
3652
|
|
|
3653 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3654 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3655 {
|
|
|
3656 # ifdef FEAT_MBYTE
|
|
|
3657 int l;
|
|
|
3658
|
|
|
3659 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3660 col += l;
|
|
|
3661 # else
|
|
|
3662 if (*p != NUL && p[1] == NUL)
|
|
|
3663 ++col;
|
|
|
3664 # endif
|
|
|
3665 }
|
|
|
3666 }
|
|
|
3667 #endif
|
|
|
3668 }
|
|
|
3669 }
|
|
|
3670 retvar->var_val.var_number = col;
|
|
|
3671 }
|
|
|
3672
|
|
|
3673 /*
|
|
|
3674 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3675 */
|
|
|
3676 /*ARGSUSED*/
|
|
|
3677 static void
|
|
|
3678 f_confirm(argvars, retvar)
|
|
|
3679 VAR argvars;
|
|
|
3680 VAR retvar;
|
|
|
3681 {
|
|
|
3682 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3683 char_u *message;
|
|
|
3684 char_u *buttons = NULL;
|
|
|
3685 char_u buf[NUMBUFLEN];
|
|
|
3686 char_u buf2[NUMBUFLEN];
|
|
|
3687 int def = 1;
|
|
|
3688 int type = VIM_GENERIC;
|
|
|
3689 int c;
|
|
|
3690
|
|
|
3691 message = get_var_string(&argvars[0]);
|
|
|
3692 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3693 {
|
|
|
3694 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3695 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3696 {
|
|
|
3697 def = get_var_number(&argvars[2]);
|
|
|
3698 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3699 {
|
|
|
3700 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3701 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3702 switch (TOUPPER_ASC(c))
|
|
|
3703 {
|
|
|
3704 case 'E': type = VIM_ERROR; break;
|
|
|
3705 case 'Q': type = VIM_QUESTION; break;
|
|
|
3706 case 'I': type = VIM_INFO; break;
|
|
|
3707 case 'W': type = VIM_WARNING; break;
|
|
|
3708 case 'G': type = VIM_GENERIC; break;
|
|
|
3709 }
|
|
|
3710 }
|
|
|
3711 }
|
|
|
3712 }
|
|
|
3713
|
|
|
3714 if (buttons == NULL || *buttons == NUL)
|
|
|
3715 buttons = (char_u *)_("&Ok");
|
|
|
3716
|
|
|
3717 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3718 def, NULL);
|
|
|
3719 #else
|
|
|
3720 retvar->var_val.var_number = 0;
|
|
|
3721 #endif
|
|
|
3722 }
|
|
|
3723
|
|
|
3724
|
|
|
3725 /*
|
|
|
3726 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3727 *
|
|
|
3728 * Checks the existence of a cscope connection.
|
|
|
3729 */
|
|
|
3730 /*ARGSUSED*/
|
|
|
3731 static void
|
|
|
3732 f_cscope_connection(argvars, retvar)
|
|
|
3733 VAR argvars;
|
|
|
3734 VAR retvar;
|
|
|
3735 {
|
|
|
3736 #ifdef FEAT_CSCOPE
|
|
|
3737 int num = 0;
|
|
|
3738 char_u *dbpath = NULL;
|
|
|
3739 char_u *prepend = NULL;
|
|
|
3740 char_u buf[NUMBUFLEN];
|
|
|
3741
|
|
|
3742 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3743 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3744 {
|
|
|
3745 num = (int)get_var_number(&argvars[0]);
|
|
|
3746 dbpath = get_var_string(&argvars[1]);
|
|
|
3747 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3748 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3749 }
|
|
|
3750
|
|
|
3751 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3752 #else
|
|
|
3753 retvar->var_val.var_number = 0;
|
|
|
3754 #endif
|
|
|
3755 }
|
|
|
3756
|
|
|
3757 /*
|
|
|
3758 * "cursor(lnum, col)" function
|
|
|
3759 *
|
|
|
3760 * Moves the cursor to the specified line and column
|
|
|
3761 */
|
|
|
3762 /*ARGSUSED*/
|
|
|
3763 static void
|
|
|
3764 f_cursor(argvars, retvar)
|
|
|
3765 VAR argvars;
|
|
|
3766 VAR retvar;
|
|
|
3767 {
|
|
|
3768 long line, col;
|
|
|
3769
|
|
|
3770 line = get_var_lnum(argvars);
|
|
|
3771 if (line > 0)
|
|
|
3772 curwin->w_cursor.lnum = line;
|
|
|
3773 col = get_var_number(&argvars[1]);
|
|
|
3774 if (col > 0)
|
|
|
3775 curwin->w_cursor.col = col - 1;
|
|
|
3776 #ifdef FEAT_VIRTUALEDIT
|
|
|
3777 curwin->w_cursor.coladd = 0;
|
|
|
3778 #endif
|
|
|
3779
|
|
|
3780 /* Make sure the cursor is in a valid position. */
|
|
|
3781 check_cursor();
|
|
|
3782 #ifdef FEAT_MBYTE
|
|
|
3783 /* Correct cursor for multi-byte character. */
|
|
|
3784 if (has_mbyte)
|
|
|
3785 mb_adjust_cursor();
|
|
|
3786 #endif
|
|
10
|
3787
|
|
|
3788 curwin->w_set_curswant = TRUE;
|
|
7
|
3789 }
|
|
|
3790
|
|
|
3791 /*
|
|
|
3792 * "libcall()" function
|
|
|
3793 */
|
|
|
3794 static void
|
|
|
3795 f_libcall(argvars, retvar)
|
|
|
3796 VAR argvars;
|
|
|
3797 VAR retvar;
|
|
|
3798 {
|
|
|
3799 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3800 }
|
|
|
3801
|
|
|
3802 /*
|
|
|
3803 * "libcallnr()" function
|
|
|
3804 */
|
|
|
3805 static void
|
|
|
3806 f_libcallnr(argvars, retvar)
|
|
|
3807 VAR argvars;
|
|
|
3808 VAR retvar;
|
|
|
3809 {
|
|
|
3810 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3811 }
|
|
|
3812
|
|
|
3813 static void
|
|
|
3814 libcall_common(argvars, retvar, type)
|
|
|
3815 VAR argvars;
|
|
|
3816 VAR retvar;
|
|
|
3817 int type;
|
|
|
3818 {
|
|
|
3819 #ifdef FEAT_LIBCALL
|
|
|
3820 char_u *string_in;
|
|
|
3821 char_u **string_result;
|
|
|
3822 int nr_result;
|
|
|
3823 #endif
|
|
|
3824
|
|
|
3825 retvar->var_type = type;
|
|
|
3826 if (type == VAR_NUMBER)
|
|
|
3827 retvar->var_val.var_number = 0;
|
|
|
3828 else
|
|
|
3829 retvar->var_val.var_string = NULL;
|
|
|
3830
|
|
|
3831 if (check_restricted() || check_secure())
|
|
|
3832 return;
|
|
|
3833
|
|
|
3834 #ifdef FEAT_LIBCALL
|
|
|
3835 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3836 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3837 {
|
|
|
3838 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3839 string_in = NULL;
|
|
|
3840 else
|
|
|
3841 string_in = argvars[2].var_val.var_string;
|
|
|
3842 if (type == VAR_NUMBER)
|
|
|
3843 string_result = NULL;
|
|
|
3844 else
|
|
|
3845 string_result = &retvar->var_val.var_string;
|
|
|
3846 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3847 argvars[1].var_val.var_string,
|
|
|
3848 string_in,
|
|
|
3849 argvars[2].var_val.var_number,
|
|
|
3850 string_result,
|
|
|
3851 &nr_result) == OK
|
|
|
3852 && type == VAR_NUMBER)
|
|
|
3853 retvar->var_val.var_number = nr_result;
|
|
|
3854 }
|
|
|
3855 #endif
|
|
|
3856 }
|
|
|
3857
|
|
|
3858 /*
|
|
|
3859 * "delete()" function
|
|
|
3860 */
|
|
|
3861 static void
|
|
|
3862 f_delete(argvars, retvar)
|
|
|
3863 VAR argvars;
|
|
|
3864 VAR retvar;
|
|
|
3865 {
|
|
|
3866 if (check_restricted() || check_secure())
|
|
|
3867 retvar->var_val.var_number = -1;
|
|
|
3868 else
|
|
|
3869 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3870 }
|
|
|
3871
|
|
|
3872 /*
|
|
|
3873 * "did_filetype()" function
|
|
|
3874 */
|
|
|
3875 /*ARGSUSED*/
|
|
|
3876 static void
|
|
|
3877 f_did_filetype(argvars, retvar)
|
|
|
3878 VAR argvars;
|
|
|
3879 VAR retvar;
|
|
|
3880 {
|
|
|
3881 #ifdef FEAT_AUTOCMD
|
|
|
3882 retvar->var_val.var_number = did_filetype;
|
|
|
3883 #else
|
|
|
3884 retvar->var_val.var_number = 0;
|
|
|
3885 #endif
|
|
|
3886 }
|
|
|
3887
|
|
|
3888 /*
|
|
|
3889 * "escape({string}, {chars})" function
|
|
|
3890 */
|
|
|
3891 static void
|
|
|
3892 f_escape(argvars, retvar)
|
|
|
3893 VAR argvars;
|
|
|
3894 VAR retvar;
|
|
|
3895 {
|
|
|
3896 char_u buf[NUMBUFLEN];
|
|
|
3897
|
|
|
3898 retvar->var_val.var_string =
|
|
|
3899 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
3900 get_var_string_buf(&argvars[1], buf));
|
|
|
3901 retvar->var_type = VAR_STRING;
|
|
|
3902 }
|
|
|
3903
|
|
|
3904 /*
|
|
|
3905 * "eventhandler()" function
|
|
|
3906 */
|
|
|
3907 /*ARGSUSED*/
|
|
|
3908 static void
|
|
|
3909 f_eventhandler(argvars, retvar)
|
|
|
3910 VAR argvars;
|
|
|
3911 VAR retvar;
|
|
|
3912 {
|
|
|
3913 retvar->var_val.var_number = vgetc_busy;
|
|
|
3914 }
|
|
|
3915
|
|
|
3916 /*
|
|
|
3917 * "executable()" function
|
|
|
3918 */
|
|
|
3919 static void
|
|
|
3920 f_executable(argvars, retvar)
|
|
|
3921 VAR argvars;
|
|
|
3922 VAR retvar;
|
|
|
3923 {
|
|
|
3924 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
3925 }
|
|
|
3926
|
|
|
3927 /*
|
|
|
3928 * "exists()" function
|
|
|
3929 */
|
|
|
3930 static void
|
|
|
3931 f_exists(argvars, retvar)
|
|
|
3932 VAR argvars;
|
|
|
3933 VAR retvar;
|
|
|
3934 {
|
|
|
3935 char_u *p;
|
|
|
3936 char_u *name;
|
|
|
3937 int n = FALSE;
|
|
|
3938 int len = 0;
|
|
|
3939
|
|
|
3940 p = get_var_string(&argvars[0]);
|
|
|
3941 if (*p == '$') /* environment variable */
|
|
|
3942 {
|
|
|
3943 /* first try "normal" environment variables (fast) */
|
|
|
3944 if (mch_getenv(p + 1) != NULL)
|
|
|
3945 n = TRUE;
|
|
|
3946 else
|
|
|
3947 {
|
|
|
3948 /* try expanding things like $VIM and ${HOME} */
|
|
|
3949 p = expand_env_save(p);
|
|
|
3950 if (p != NULL && *p != '$')
|
|
|
3951 n = TRUE;
|
|
|
3952 vim_free(p);
|
|
|
3953 }
|
|
|
3954 }
|
|
|
3955 else if (*p == '&' || *p == '+') /* option */
|
|
|
3956 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
3957 else if (*p == '*') /* internal or user defined function */
|
|
|
3958 {
|
|
|
3959 ++p;
|
|
|
3960 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
3961 if (p != NULL)
|
|
|
3962 {
|
|
|
3963 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
3964 n = (find_func(p) != NULL);
|
|
|
3965 else if (ASCII_ISLOWER(*p))
|
|
|
3966 n = (find_internal_func(p) >= 0);
|
|
|
3967 vim_free(p);
|
|
|
3968 }
|
|
|
3969 }
|
|
|
3970 else if (*p == ':')
|
|
|
3971 {
|
|
|
3972 n = cmd_exists(p + 1);
|
|
|
3973 }
|
|
|
3974 else if (*p == '#')
|
|
|
3975 {
|
|
|
3976 #ifdef FEAT_AUTOCMD
|
|
|
3977 name = p + 1;
|
|
|
3978 p = vim_strchr(name, '#');
|
|
|
3979 if (p != NULL)
|
|
|
3980 n = au_exists(name, p, p + 1);
|
|
|
3981 else
|
|
|
3982 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
3983 #endif
|
|
|
3984 }
|
|
|
3985 else /* internal variable */
|
|
|
3986 {
|
|
|
3987 #ifdef FEAT_MAGIC_BRACES
|
|
|
3988 char_u *expr_start;
|
|
|
3989 char_u *expr_end;
|
|
|
3990 char_u *temp_string = NULL;
|
|
|
3991 char_u *s;
|
|
|
3992 #endif
|
|
|
3993 name = p;
|
|
|
3994
|
|
|
3995 #ifdef FEAT_MAGIC_BRACES
|
|
|
3996 /* Find the end of the name. */
|
|
|
3997 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
3998 if (expr_start != NULL)
|
|
|
3999 {
|
|
|
4000 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
4001 if (temp_string != NULL)
|
|
|
4002 {
|
|
|
4003 len = STRLEN(temp_string);
|
|
|
4004 name = temp_string;
|
|
|
4005 }
|
|
|
4006 }
|
|
|
4007 #endif
|
|
|
4008 if (len == 0)
|
|
|
4009 len = get_id_len(&p);
|
|
|
4010 if (len != 0)
|
|
|
4011 n = (get_var_var(name, len, NULL) == OK);
|
|
|
4012
|
|
|
4013 #ifdef FEAT_MAGIC_BRACES
|
|
|
4014 vim_free(temp_string);
|
|
|
4015 #endif
|
|
|
4016 }
|
|
|
4017
|
|
|
4018 retvar->var_val.var_number = n;
|
|
|
4019 }
|
|
|
4020
|
|
|
4021 /*
|
|
|
4022 * "expand()" function
|
|
|
4023 */
|
|
|
4024 static void
|
|
|
4025 f_expand(argvars, retvar)
|
|
|
4026 VAR argvars;
|
|
|
4027 VAR retvar;
|
|
|
4028 {
|
|
|
4029 char_u *s;
|
|
|
4030 int len;
|
|
|
4031 char_u *errormsg;
|
|
|
4032 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4033 expand_T xpc;
|
|
|
4034
|
|
|
4035 retvar->var_type = VAR_STRING;
|
|
|
4036 s = get_var_string(&argvars[0]);
|
|
|
4037 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4038 {
|
|
|
4039 ++emsg_off;
|
|
|
4040 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4041 --emsg_off;
|
|
|
4042 }
|
|
|
4043 else
|
|
|
4044 {
|
|
|
4045 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4046 * for 'suffixes' and 'wildignore' */
|
|
|
4047 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4048 flags |= WILD_KEEP_ALL;
|
|
|
4049 ExpandInit(&xpc);
|
|
|
4050 xpc.xp_context = EXPAND_FILES;
|
|
|
4051 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4052 ExpandCleanup(&xpc);
|
|
|
4053 }
|
|
|
4054 }
|
|
|
4055
|
|
|
4056 /*
|
|
|
4057 * "filereadable()" function
|
|
|
4058 */
|
|
|
4059 static void
|
|
|
4060 f_filereadable(argvars, retvar)
|
|
|
4061 VAR argvars;
|
|
|
4062 VAR retvar;
|
|
|
4063 {
|
|
|
4064 FILE *fd;
|
|
|
4065 char_u *p;
|
|
|
4066 int n;
|
|
|
4067
|
|
|
4068 p = get_var_string(&argvars[0]);
|
|
|
4069 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4070 {
|
|
|
4071 n = TRUE;
|
|
|
4072 fclose(fd);
|
|
|
4073 }
|
|
|
4074 else
|
|
|
4075 n = FALSE;
|
|
|
4076
|
|
|
4077 retvar->var_val.var_number = n;
|
|
|
4078 }
|
|
|
4079
|
|
|
4080 /*
|
|
|
4081 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4082 * rights to write into.
|
|
|
4083 */
|
|
|
4084 static void
|
|
|
4085 f_filewritable(argvars, retvar)
|
|
|
4086 VAR argvars;
|
|
|
4087 VAR retvar;
|
|
|
4088 {
|
|
|
4089 char_u *p;
|
|
|
4090 int retval = 0;
|
|
|
4091 #if defined(UNIX) || defined(VMS)
|
|
|
4092 int perm = 0;
|
|
|
4093 #endif
|
|
|
4094
|
|
|
4095 p = get_var_string(&argvars[0]);
|
|
|
4096 #if defined(UNIX) || defined(VMS)
|
|
|
4097 perm = mch_getperm(p);
|
|
|
4098 #endif
|
|
|
4099 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4100 if (
|
|
|
4101 # ifdef WIN3264
|
|
|
4102 mch_writable(p) &&
|
|
|
4103 # else
|
|
|
4104 # if defined(UNIX) || defined(VMS)
|
|
|
4105 (perm & 0222) &&
|
|
|
4106 # endif
|
|
|
4107 # endif
|
|
|
4108 mch_access((char *)p, W_OK) == 0
|
|
|
4109 )
|
|
|
4110 #endif
|
|
|
4111 {
|
|
|
4112 ++retval;
|
|
|
4113 if (mch_isdir(p))
|
|
|
4114 ++retval;
|
|
|
4115 }
|
|
|
4116 retvar->var_val.var_number = retval;
|
|
|
4117 }
|
|
|
4118
|
|
|
4119 /*
|
|
|
4120 * "fnamemodify({fname}, {mods})" function
|
|
|
4121 */
|
|
|
4122 static void
|
|
|
4123 f_fnamemodify(argvars, retvar)
|
|
|
4124 VAR argvars;
|
|
|
4125 VAR retvar;
|
|
|
4126 {
|
|
|
4127 char_u *fname;
|
|
|
4128 char_u *mods;
|
|
|
4129 int usedlen = 0;
|
|
|
4130 int len;
|
|
|
4131 char_u *fbuf = NULL;
|
|
|
4132 char_u buf[NUMBUFLEN];
|
|
|
4133
|
|
|
4134 fname = get_var_string(&argvars[0]);
|
|
|
4135 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4136 len = (int)STRLEN(fname);
|
|
|
4137
|
|
|
4138 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4139
|
|
|
4140 retvar->var_type = VAR_STRING;
|
|
|
4141 if (fname == NULL)
|
|
|
4142 retvar->var_val.var_string = NULL;
|
|
|
4143 else
|
|
|
4144 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4145 vim_free(fbuf);
|
|
|
4146 }
|
|
|
4147
|
|
|
4148 /*
|
|
|
4149 * "foldclosed()" function
|
|
|
4150 */
|
|
|
4151 static void
|
|
|
4152 f_foldclosed(argvars, retvar)
|
|
|
4153 VAR argvars;
|
|
|
4154 VAR retvar;
|
|
|
4155 {
|
|
|
4156 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4157 }
|
|
|
4158
|
|
|
4159 /*
|
|
|
4160 * "foldclosedend()" function
|
|
|
4161 */
|
|
|
4162 static void
|
|
|
4163 f_foldclosedend(argvars, retvar)
|
|
|
4164 VAR argvars;
|
|
|
4165 VAR retvar;
|
|
|
4166 {
|
|
|
4167 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4168 }
|
|
|
4169
|
|
|
4170 /*
|
|
|
4171 * "foldclosed()" function
|
|
|
4172 */
|
|
|
4173 static void
|
|
|
4174 foldclosed_both(argvars, retvar, end)
|
|
|
4175 VAR argvars;
|
|
|
4176 VAR retvar;
|
|
|
4177 int end;
|
|
|
4178 {
|
|
|
4179 #ifdef FEAT_FOLDING
|
|
|
4180 linenr_T lnum;
|
|
|
4181 linenr_T first, last;
|
|
|
4182
|
|
|
4183 lnum = get_var_lnum(argvars);
|
|
|
4184 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4185 {
|
|
|
4186 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4187 {
|
|
|
4188 if (end)
|
|
|
4189 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4190 else
|
|
|
4191 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4192 return;
|
|
|
4193 }
|
|
|
4194 }
|
|
|
4195 #endif
|
|
|
4196 retvar->var_val.var_number = -1;
|
|
|
4197 }
|
|
|
4198
|
|
|
4199 /*
|
|
|
4200 * "foldlevel()" function
|
|
|
4201 */
|
|
|
4202 static void
|
|
|
4203 f_foldlevel(argvars, retvar)
|
|
|
4204 VAR argvars;
|
|
|
4205 VAR retvar;
|
|
|
4206 {
|
|
|
4207 #ifdef FEAT_FOLDING
|
|
|
4208 linenr_T lnum;
|
|
|
4209
|
|
|
4210 lnum = get_var_lnum(argvars);
|
|
|
4211 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4212 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4213 else
|
|
|
4214 #endif
|
|
|
4215 retvar->var_val.var_number = 0;
|
|
|
4216 }
|
|
|
4217
|
|
|
4218 /*
|
|
|
4219 * "foldtext()" function
|
|
|
4220 */
|
|
|
4221 /*ARGSUSED*/
|
|
|
4222 static void
|
|
|
4223 f_foldtext(argvars, retvar)
|
|
|
4224 VAR argvars;
|
|
|
4225 VAR retvar;
|
|
|
4226 {
|
|
|
4227 #ifdef FEAT_FOLDING
|
|
|
4228 linenr_T lnum;
|
|
|
4229 char_u *s;
|
|
|
4230 char_u *r;
|
|
|
4231 int len;
|
|
|
4232 char *txt;
|
|
|
4233 #endif
|
|
|
4234
|
|
|
4235 retvar->var_type = VAR_STRING;
|
|
|
4236 retvar->var_val.var_string = NULL;
|
|
|
4237 #ifdef FEAT_FOLDING
|
|
|
4238 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4239 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4240 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4241 {
|
|
|
4242 /* Find first non-empty line in the fold. */
|
|
|
4243 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4244 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4245 {
|
|
|
4246 if (!linewhite(lnum))
|
|
|
4247 break;
|
|
|
4248 ++lnum;
|
|
|
4249 }
|
|
|
4250
|
|
|
4251 /* Find interesting text in this line. */
|
|
|
4252 s = skipwhite(ml_get(lnum));
|
|
|
4253 /* skip C comment-start */
|
|
|
4254 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4255 s = skipwhite(s + 2);
|
|
|
4256 txt = _("+-%s%3ld lines: ");
|
|
|
4257 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4258 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4259 + 20 /* for %3ld */
|
|
|
4260 + STRLEN(s))); /* concatenated */
|
|
|
4261 if (r != NULL)
|
|
|
4262 {
|
|
|
4263 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4264 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4265 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4266 len = (int)STRLEN(r);
|
|
|
4267 STRCAT(r, s);
|
|
|
4268 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4269 foldtext_cleanup(r + len);
|
|
|
4270 retvar->var_val.var_string = r;
|
|
|
4271 }
|
|
|
4272 }
|
|
|
4273 #endif
|
|
|
4274 }
|
|
|
4275
|
|
|
4276 /*
|
|
|
4277 * "foreground()" function
|
|
|
4278 */
|
|
|
4279 /*ARGSUSED*/
|
|
|
4280 static void
|
|
|
4281 f_foreground(argvars, retvar)
|
|
|
4282 VAR argvars;
|
|
|
4283 VAR retvar;
|
|
|
4284 {
|
|
|
4285 retvar->var_val.var_number = 0;
|
|
|
4286 #ifdef FEAT_GUI
|
|
|
4287 if (gui.in_use)
|
|
|
4288 gui_mch_set_foreground();
|
|
|
4289 #else
|
|
|
4290 # ifdef WIN32
|
|
|
4291 win32_set_foreground();
|
|
|
4292 # endif
|
|
|
4293 #endif
|
|
|
4294 }
|
|
|
4295
|
|
|
4296 /*
|
|
|
4297 * "getchar()" function
|
|
|
4298 */
|
|
|
4299 static void
|
|
|
4300 f_getchar(argvars, retvar)
|
|
|
4301 VAR argvars;
|
|
|
4302 VAR retvar;
|
|
|
4303 {
|
|
|
4304 varnumber_T n;
|
|
|
4305
|
|
|
4306 ++no_mapping;
|
|
|
4307 ++allow_keys;
|
|
|
4308 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4309 /* getchar(): blocking wait. */
|
|
|
4310 n = safe_vgetc();
|
|
|
4311 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4312 /* getchar(1): only check if char avail */
|
|
|
4313 n = vpeekc();
|
|
|
4314 else if (vpeekc() == NUL)
|
|
|
4315 /* getchar(0) and no char avail: return zero */
|
|
|
4316 n = 0;
|
|
|
4317 else
|
|
|
4318 /* getchar(0) and char avail: return char */
|
|
|
4319 n = safe_vgetc();
|
|
|
4320 --no_mapping;
|
|
|
4321 --allow_keys;
|
|
|
4322
|
|
|
4323 retvar->var_val.var_number = n;
|
|
|
4324 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4325 {
|
|
|
4326 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4327 int i = 0;
|
|
|
4328
|
|
|
4329 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4330 if (mod_mask != 0)
|
|
|
4331 {
|
|
|
4332 temp[i++] = K_SPECIAL;
|
|
|
4333 temp[i++] = KS_MODIFIER;
|
|
|
4334 temp[i++] = mod_mask;
|
|
|
4335 }
|
|
|
4336 if (IS_SPECIAL(n))
|
|
|
4337 {
|
|
|
4338 temp[i++] = K_SPECIAL;
|
|
|
4339 temp[i++] = K_SECOND(n);
|
|
|
4340 temp[i++] = K_THIRD(n);
|
|
|
4341 }
|
|
|
4342 #ifdef FEAT_MBYTE
|
|
|
4343 else if (has_mbyte)
|
|
|
4344 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4345 #endif
|
|
|
4346 else
|
|
|
4347 temp[i++] = n;
|
|
|
4348 temp[i++] = NUL;
|
|
|
4349 retvar->var_type = VAR_STRING;
|
|
|
4350 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4351 }
|
|
|
4352 }
|
|
|
4353
|
|
|
4354 /*
|
|
|
4355 * "getcharmod()" function
|
|
|
4356 */
|
|
|
4357 /*ARGSUSED*/
|
|
|
4358 static void
|
|
|
4359 f_getcharmod(argvars, retvar)
|
|
|
4360 VAR argvars;
|
|
|
4361 VAR retvar;
|
|
|
4362 {
|
|
|
4363 retvar->var_val.var_number = mod_mask;
|
|
|
4364 }
|
|
|
4365
|
|
|
4366 /*
|
|
|
4367 * "getcmdline()" function
|
|
|
4368 */
|
|
|
4369 /*ARGSUSED*/
|
|
|
4370 static void
|
|
|
4371 f_getcmdline(argvars, retvar)
|
|
|
4372 VAR argvars;
|
|
|
4373 VAR retvar;
|
|
|
4374 {
|
|
|
4375 retvar->var_type = VAR_STRING;
|
|
|
4376 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4377 }
|
|
|
4378
|
|
|
4379 /*
|
|
|
4380 * "getcmdpos()" function
|
|
|
4381 */
|
|
|
4382 /*ARGSUSED*/
|
|
|
4383 static void
|
|
|
4384 f_getcmdpos(argvars, retvar)
|
|
|
4385 VAR argvars;
|
|
|
4386 VAR retvar;
|
|
|
4387 {
|
|
|
4388 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4389 }
|
|
|
4390
|
|
|
4391 /*
|
|
|
4392 * "getbufvar()" function
|
|
|
4393 */
|
|
|
4394 static void
|
|
|
4395 f_getbufvar(argvars, retvar)
|
|
|
4396 VAR argvars;
|
|
|
4397 VAR retvar;
|
|
|
4398 {
|
|
|
4399 buf_T *buf;
|
|
|
4400 buf_T *save_curbuf;
|
|
|
4401 char_u *varname;
|
|
|
4402 VAR v;
|
|
|
4403
|
|
|
4404 ++emsg_off;
|
|
|
4405 buf = get_buf_var(&argvars[0]);
|
|
|
4406 varname = get_var_string(&argvars[1]);
|
|
|
4407
|
|
|
4408 retvar->var_type = VAR_STRING;
|
|
|
4409 retvar->var_val.var_string = NULL;
|
|
|
4410
|
|
|
4411 if (buf != NULL && varname != NULL)
|
|
|
4412 {
|
|
|
4413 if (*varname == '&') /* buffer-local-option */
|
|
|
4414 {
|
|
|
4415 /* set curbuf to be our buf, temporarily */
|
|
|
4416 save_curbuf = curbuf;
|
|
|
4417 curbuf = buf;
|
|
|
4418
|
|
|
4419 get_option_var(&varname, retvar, TRUE);
|
|
|
4420
|
|
|
4421 /* restore previous notion of curbuf */
|
|
|
4422 curbuf = save_curbuf;
|
|
|
4423 }
|
|
|
4424 else
|
|
|
4425 {
|
|
|
4426 /* look up the variable */
|
|
|
4427 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4428 if (v != NULL)
|
|
|
4429 copy_var(v, retvar);
|
|
|
4430 }
|
|
|
4431 }
|
|
|
4432
|
|
|
4433 --emsg_off;
|
|
|
4434 }
|
|
|
4435
|
|
|
4436 /*
|
|
|
4437 * "getcwd()" function
|
|
|
4438 */
|
|
|
4439 /*ARGSUSED*/
|
|
|
4440 static void
|
|
|
4441 f_getcwd(argvars, retvar)
|
|
|
4442 VAR argvars;
|
|
|
4443 VAR retvar;
|
|
|
4444 {
|
|
|
4445 char_u cwd[MAXPATHL];
|
|
|
4446
|
|
|
4447 retvar->var_type = VAR_STRING;
|
|
|
4448 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4449 retvar->var_val.var_string = NULL;
|
|
|
4450 else
|
|
|
4451 {
|
|
|
4452 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4453 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4454 slash_adjust(retvar->var_val.var_string);
|
|
|
4455 #endif
|
|
|
4456 }
|
|
|
4457 }
|
|
|
4458
|
|
|
4459 /*
|
|
|
4460 * "getfsize({fname})" function
|
|
|
4461 */
|
|
|
4462 static void
|
|
|
4463 f_getfsize(argvars, retvar)
|
|
|
4464 VAR argvars;
|
|
|
4465 VAR retvar;
|
|
|
4466 {
|
|
|
4467 char_u *fname;
|
|
|
4468 struct stat st;
|
|
|
4469
|
|
|
4470 fname = get_var_string(&argvars[0]);
|
|
|
4471
|
|
|
4472 retvar->var_type = VAR_NUMBER;
|
|
|
4473
|
|
|
4474 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4475 {
|
|
|
4476 if (mch_isdir(fname))
|
|
|
4477 retvar->var_val.var_number = 0;
|
|
|
4478 else
|
|
|
4479 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4480 }
|
|
|
4481 else
|
|
|
4482 retvar->var_val.var_number = -1;
|
|
|
4483 }
|
|
|
4484
|
|
|
4485 /*
|
|
|
4486 * "getftime({fname})" function
|
|
|
4487 */
|
|
|
4488 static void
|
|
|
4489 f_getftime(argvars, retvar)
|
|
|
4490 VAR argvars;
|
|
|
4491 VAR retvar;
|
|
|
4492 {
|
|
|
4493 char_u *fname;
|
|
|
4494 struct stat st;
|
|
|
4495
|
|
|
4496 fname = get_var_string(&argvars[0]);
|
|
|
4497
|
|
|
4498 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4499 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4500 else
|
|
|
4501 retvar->var_val.var_number = -1;
|
|
|
4502 }
|
|
|
4503
|
|
|
4504 /*
|
|
|
4505 * "getreg()" function
|
|
|
4506 */
|
|
|
4507 static void
|
|
|
4508 f_getreg(argvars, retvar)
|
|
|
4509 VAR argvars;
|
|
|
4510 VAR retvar;
|
|
|
4511 {
|
|
|
4512 char_u *strregname;
|
|
|
4513 int regname;
|
|
|
4514
|
|
|
4515 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4516 strregname = get_var_string(&argvars[0]);
|
|
|
4517 else
|
|
|
4518 strregname = vimvars[VV_REG].val;
|
|
|
4519 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4520 if (regname == 0)
|
|
|
4521 regname = '"';
|
|
|
4522
|
|
|
4523 retvar->var_type = VAR_STRING;
|
|
|
4524 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4525 }
|
|
|
4526
|
|
|
4527 /*
|
|
|
4528 * "getregtype()" function
|
|
|
4529 */
|
|
|
4530 static void
|
|
|
4531 f_getregtype(argvars, retvar)
|
|
|
4532 VAR argvars;
|
|
|
4533 VAR retvar;
|
|
|
4534 {
|
|
|
4535 char_u *strregname;
|
|
|
4536 int regname;
|
|
|
4537 char_u buf[NUMBUFLEN + 2];
|
|
|
4538 long reglen = 0;
|
|
|
4539
|
|
|
4540 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4541 strregname = get_var_string(&argvars[0]);
|
|
|
4542 else
|
|
|
4543 /* Default to v:register */
|
|
|
4544 strregname = vimvars[VV_REG].val;
|
|
|
4545
|
|
|
4546 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4547 if (regname == 0)
|
|
|
4548 regname = '"';
|
|
|
4549
|
|
|
4550 buf[0] = NUL;
|
|
|
4551 buf[1] = NUL;
|
|
|
4552 switch (get_reg_type(regname, ®len))
|
|
|
4553 {
|
|
|
4554 case MLINE: buf[0] = 'V'; break;
|
|
|
4555 case MCHAR: buf[0] = 'v'; break;
|
|
|
4556 #ifdef FEAT_VISUAL
|
|
|
4557 case MBLOCK:
|
|
|
4558 buf[0] = Ctrl_V;
|
|
|
4559 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4560 break;
|
|
|
4561 #endif
|
|
|
4562 }
|
|
|
4563 retvar->var_type = VAR_STRING;
|
|
|
4564 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4565 }
|
|
|
4566
|
|
|
4567 /*
|
|
|
4568 * "getline(lnum)" function
|
|
|
4569 */
|
|
|
4570 static void
|
|
|
4571 f_getline(argvars, retvar)
|
|
|
4572 VAR argvars;
|
|
|
4573 VAR retvar;
|
|
|
4574 {
|
|
|
4575 linenr_T lnum;
|
|
|
4576 char_u *p;
|
|
|
4577
|
|
|
4578 lnum = get_var_lnum(argvars);
|
|
|
4579
|
|
|
4580 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4581 p = ml_get(lnum);
|
|
|
4582 else
|
|
|
4583 p = (char_u *)"";
|
|
|
4584
|
|
|
4585 retvar->var_type = VAR_STRING;
|
|
|
4586 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4587 }
|
|
|
4588
|
|
|
4589 /*
|
|
|
4590 * "getwinposx()" function
|
|
|
4591 */
|
|
|
4592 /*ARGSUSED*/
|
|
|
4593 static void
|
|
|
4594 f_getwinposx(argvars, retvar)
|
|
|
4595 VAR argvars;
|
|
|
4596 VAR retvar;
|
|
|
4597 {
|
|
|
4598 retvar->var_val.var_number = -1;
|
|
|
4599 #ifdef FEAT_GUI
|
|
|
4600 if (gui.in_use)
|
|
|
4601 {
|
|
|
4602 int x, y;
|
|
|
4603
|
|
|
4604 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4605 retvar->var_val.var_number = x;
|
|
|
4606 }
|
|
|
4607 #endif
|
|
|
4608 }
|
|
|
4609
|
|
|
4610 /*
|
|
|
4611 * "getwinposy()" function
|
|
|
4612 */
|
|
|
4613 /*ARGSUSED*/
|
|
|
4614 static void
|
|
|
4615 f_getwinposy(argvars, retvar)
|
|
|
4616 VAR argvars;
|
|
|
4617 VAR retvar;
|
|
|
4618 {
|
|
|
4619 retvar->var_val.var_number = -1;
|
|
|
4620 #ifdef FEAT_GUI
|
|
|
4621 if (gui.in_use)
|
|
|
4622 {
|
|
|
4623 int x, y;
|
|
|
4624
|
|
|
4625 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4626 retvar->var_val.var_number = y;
|
|
|
4627 }
|
|
|
4628 #endif
|
|
|
4629 }
|
|
|
4630
|
|
|
4631 /*
|
|
|
4632 * "getwinvar()" function
|
|
|
4633 */
|
|
|
4634 static void
|
|
|
4635 f_getwinvar(argvars, retvar)
|
|
|
4636 VAR argvars;
|
|
|
4637 VAR retvar;
|
|
|
4638 {
|
|
|
4639 win_T *win, *oldcurwin;
|
|
|
4640 char_u *varname;
|
|
|
4641 VAR v;
|
|
|
4642
|
|
|
4643 ++emsg_off;
|
|
|
4644 win = find_win_by_nr(&argvars[0]);
|
|
|
4645 varname = get_var_string(&argvars[1]);
|
|
|
4646
|
|
|
4647 retvar->var_type = VAR_STRING;
|
|
|
4648 retvar->var_val.var_string = NULL;
|
|
|
4649
|
|
|
4650 if (win != NULL && varname != NULL)
|
|
|
4651 {
|
|
|
4652 if (*varname == '&') /* window-local-option */
|
|
|
4653 {
|
|
|
4654 /* set curwin to be our win, temporarily */
|
|
|
4655 oldcurwin = curwin;
|
|
|
4656 curwin = win;
|
|
|
4657
|
|
|
4658 get_option_var(&varname, retvar , 1);
|
|
|
4659
|
|
|
4660 /* restore previous notion of curwin */
|
|
|
4661 curwin = oldcurwin;
|
|
|
4662 }
|
|
|
4663 else
|
|
|
4664 {
|
|
|
4665 /* look up the variable */
|
|
|
4666 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
4667 if (v != NULL)
|
|
|
4668 copy_var(v, retvar);
|
|
|
4669 }
|
|
|
4670 }
|
|
|
4671
|
|
|
4672 --emsg_off;
|
|
|
4673 }
|
|
|
4674
|
|
|
4675 /*
|
|
|
4676 * "glob()" function
|
|
|
4677 */
|
|
|
4678 static void
|
|
|
4679 f_glob(argvars, retvar)
|
|
|
4680 VAR argvars;
|
|
|
4681 VAR retvar;
|
|
|
4682 {
|
|
|
4683 expand_T xpc;
|
|
|
4684
|
|
|
4685 ExpandInit(&xpc);
|
|
|
4686 xpc.xp_context = EXPAND_FILES;
|
|
|
4687 retvar->var_type = VAR_STRING;
|
|
|
4688 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
4689 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
4690 ExpandCleanup(&xpc);
|
|
|
4691 }
|
|
|
4692
|
|
|
4693 /*
|
|
|
4694 * "globpath()" function
|
|
|
4695 */
|
|
|
4696 static void
|
|
|
4697 f_globpath(argvars, retvar)
|
|
|
4698 VAR argvars;
|
|
|
4699 VAR retvar;
|
|
|
4700 {
|
|
|
4701 char_u buf1[NUMBUFLEN];
|
|
|
4702
|
|
|
4703 retvar->var_type = VAR_STRING;
|
|
|
4704 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
4705 get_var_string_buf(&argvars[1], buf1));
|
|
|
4706 }
|
|
|
4707
|
|
|
4708 /*
|
|
|
4709 * "has()" function
|
|
|
4710 */
|
|
|
4711 static void
|
|
|
4712 f_has(argvars, retvar)
|
|
|
4713 VAR argvars;
|
|
|
4714 VAR retvar;
|
|
|
4715 {
|
|
|
4716 int i;
|
|
|
4717 char_u *name;
|
|
|
4718 int n = FALSE;
|
|
|
4719 static char *(has_list[]) =
|
|
|
4720 {
|
|
|
4721 #ifdef AMIGA
|
|
|
4722 "amiga",
|
|
|
4723 # ifdef FEAT_ARP
|
|
|
4724 "arp",
|
|
|
4725 # endif
|
|
|
4726 #endif
|
|
|
4727 #ifdef __BEOS__
|
|
|
4728 "beos",
|
|
|
4729 #endif
|
|
|
4730 #ifdef MSDOS
|
|
|
4731 # ifdef DJGPP
|
|
|
4732 "dos32",
|
|
|
4733 # else
|
|
|
4734 "dos16",
|
|
|
4735 # endif
|
|
|
4736 #endif
|
|
|
4737 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
4738 "mac",
|
|
|
4739 #endif
|
|
|
4740 #if defined(MACOS_X_UNIX)
|
|
|
4741 "macunix",
|
|
|
4742 #endif
|
|
|
4743 #ifdef OS2
|
|
|
4744 "os2",
|
|
|
4745 #endif
|
|
|
4746 #ifdef __QNX__
|
|
|
4747 "qnx",
|
|
|
4748 #endif
|
|
|
4749 #ifdef RISCOS
|
|
|
4750 "riscos",
|
|
|
4751 #endif
|
|
|
4752 #ifdef UNIX
|
|
|
4753 "unix",
|
|
|
4754 #endif
|
|
|
4755 #ifdef VMS
|
|
|
4756 "vms",
|
|
|
4757 #endif
|
|
|
4758 #ifdef WIN16
|
|
|
4759 "win16",
|
|
|
4760 #endif
|
|
|
4761 #ifdef WIN32
|
|
|
4762 "win32",
|
|
|
4763 #endif
|
|
|
4764 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
4765 "win32unix",
|
|
|
4766 #endif
|
|
|
4767 #ifdef WIN64
|
|
|
4768 "win64",
|
|
|
4769 #endif
|
|
|
4770 #ifdef EBCDIC
|
|
|
4771 "ebcdic",
|
|
|
4772 #endif
|
|
|
4773 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
4774 "fname_case",
|
|
|
4775 #endif
|
|
|
4776 #ifdef FEAT_ARABIC
|
|
|
4777 "arabic",
|
|
|
4778 #endif
|
|
|
4779 #ifdef FEAT_AUTOCMD
|
|
|
4780 "autocmd",
|
|
|
4781 #endif
|
|
|
4782 #ifdef FEAT_BEVAL
|
|
|
4783 "balloon_eval",
|
|
|
4784 #endif
|
|
|
4785 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
4786 "builtin_terms",
|
|
|
4787 # ifdef ALL_BUILTIN_TCAPS
|
|
|
4788 "all_builtin_terms",
|
|
|
4789 # endif
|
|
|
4790 #endif
|
|
|
4791 #ifdef FEAT_BYTEOFF
|
|
|
4792 "byte_offset",
|
|
|
4793 #endif
|
|
|
4794 #ifdef FEAT_CINDENT
|
|
|
4795 "cindent",
|
|
|
4796 #endif
|
|
|
4797 #ifdef FEAT_CLIENTSERVER
|
|
|
4798 "clientserver",
|
|
|
4799 #endif
|
|
|
4800 #ifdef FEAT_CLIPBOARD
|
|
|
4801 "clipboard",
|
|
|
4802 #endif
|
|
|
4803 #ifdef FEAT_CMDL_COMPL
|
|
|
4804 "cmdline_compl",
|
|
|
4805 #endif
|
|
|
4806 #ifdef FEAT_CMDHIST
|
|
|
4807 "cmdline_hist",
|
|
|
4808 #endif
|
|
|
4809 #ifdef FEAT_COMMENTS
|
|
|
4810 "comments",
|
|
|
4811 #endif
|
|
|
4812 #ifdef FEAT_CRYPT
|
|
|
4813 "cryptv",
|
|
|
4814 #endif
|
|
|
4815 #ifdef FEAT_CSCOPE
|
|
|
4816 "cscope",
|
|
|
4817 #endif
|
|
|
4818 #ifdef DEBUG
|
|
|
4819 "debug",
|
|
|
4820 #endif
|
|
|
4821 #ifdef FEAT_CON_DIALOG
|
|
|
4822 "dialog_con",
|
|
|
4823 #endif
|
|
|
4824 #ifdef FEAT_GUI_DIALOG
|
|
|
4825 "dialog_gui",
|
|
|
4826 #endif
|
|
|
4827 #ifdef FEAT_DIFF
|
|
|
4828 "diff",
|
|
|
4829 #endif
|
|
|
4830 #ifdef FEAT_DIGRAPHS
|
|
|
4831 "digraphs",
|
|
|
4832 #endif
|
|
|
4833 #ifdef FEAT_DND
|
|
|
4834 "dnd",
|
|
|
4835 #endif
|
|
|
4836 #ifdef FEAT_EMACS_TAGS
|
|
|
4837 "emacs_tags",
|
|
|
4838 #endif
|
|
|
4839 "eval", /* always present, of course! */
|
|
|
4840 #ifdef FEAT_EX_EXTRA
|
|
|
4841 "ex_extra",
|
|
|
4842 #endif
|
|
|
4843 #ifdef FEAT_SEARCH_EXTRA
|
|
|
4844 "extra_search",
|
|
|
4845 #endif
|
|
|
4846 #ifdef FEAT_FKMAP
|
|
|
4847 "farsi",
|
|
|
4848 #endif
|
|
|
4849 #ifdef FEAT_SEARCHPATH
|
|
|
4850 "file_in_path",
|
|
|
4851 #endif
|
|
|
4852 #ifdef FEAT_FIND_ID
|
|
|
4853 "find_in_path",
|
|
|
4854 #endif
|
|
|
4855 #ifdef FEAT_FOLDING
|
|
|
4856 "folding",
|
|
|
4857 #endif
|
|
|
4858 #ifdef FEAT_FOOTER
|
|
|
4859 "footer",
|
|
|
4860 #endif
|
|
|
4861 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
4862 "fork",
|
|
|
4863 #endif
|
|
|
4864 #ifdef FEAT_GETTEXT
|
|
|
4865 "gettext",
|
|
|
4866 #endif
|
|
|
4867 #ifdef FEAT_GUI
|
|
|
4868 "gui",
|
|
|
4869 #endif
|
|
|
4870 #ifdef FEAT_GUI_ATHENA
|
|
|
4871 # ifdef FEAT_GUI_NEXTAW
|
|
|
4872 "gui_neXtaw",
|
|
|
4873 # else
|
|
|
4874 "gui_athena",
|
|
|
4875 # endif
|
|
|
4876 #endif
|
|
|
4877 #ifdef FEAT_GUI_BEOS
|
|
|
4878 "gui_beos",
|
|
|
4879 #endif
|
|
|
4880 #ifdef FEAT_GUI_GTK
|
|
|
4881 "gui_gtk",
|
|
|
4882 # ifdef HAVE_GTK2
|
|
|
4883 "gui_gtk2",
|
|
|
4884 # endif
|
|
|
4885 #endif
|
|
|
4886 #ifdef FEAT_GUI_MAC
|
|
|
4887 "gui_mac",
|
|
|
4888 #endif
|
|
|
4889 #ifdef FEAT_GUI_MOTIF
|
|
|
4890 "gui_motif",
|
|
|
4891 #endif
|
|
|
4892 #ifdef FEAT_GUI_PHOTON
|
|
|
4893 "gui_photon",
|
|
|
4894 #endif
|
|
|
4895 #ifdef FEAT_GUI_W16
|
|
|
4896 "gui_win16",
|
|
|
4897 #endif
|
|
|
4898 #ifdef FEAT_GUI_W32
|
|
|
4899 "gui_win32",
|
|
|
4900 #endif
|
|
|
4901 #ifdef FEAT_HANGULIN
|
|
|
4902 "hangul_input",
|
|
|
4903 #endif
|
|
|
4904 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
4905 "iconv",
|
|
|
4906 #endif
|
|
|
4907 #ifdef FEAT_INS_EXPAND
|
|
|
4908 "insert_expand",
|
|
|
4909 #endif
|
|
|
4910 #ifdef FEAT_JUMPLIST
|
|
|
4911 "jumplist",
|
|
|
4912 #endif
|
|
|
4913 #ifdef FEAT_KEYMAP
|
|
|
4914 "keymap",
|
|
|
4915 #endif
|
|
|
4916 #ifdef FEAT_LANGMAP
|
|
|
4917 "langmap",
|
|
|
4918 #endif
|
|
|
4919 #ifdef FEAT_LIBCALL
|
|
|
4920 "libcall",
|
|
|
4921 #endif
|
|
|
4922 #ifdef FEAT_LINEBREAK
|
|
|
4923 "linebreak",
|
|
|
4924 #endif
|
|
|
4925 #ifdef FEAT_LISP
|
|
|
4926 "lispindent",
|
|
|
4927 #endif
|
|
|
4928 #ifdef FEAT_LISTCMDS
|
|
|
4929 "listcmds",
|
|
|
4930 #endif
|
|
|
4931 #ifdef FEAT_LOCALMAP
|
|
|
4932 "localmap",
|
|
|
4933 #endif
|
|
|
4934 #ifdef FEAT_MENU
|
|
|
4935 "menu",
|
|
|
4936 #endif
|
|
|
4937 #ifdef FEAT_SESSION
|
|
|
4938 "mksession",
|
|
|
4939 #endif
|
|
|
4940 #ifdef FEAT_MODIFY_FNAME
|
|
|
4941 "modify_fname",
|
|
|
4942 #endif
|
|
|
4943 #ifdef FEAT_MOUSE
|
|
|
4944 "mouse",
|
|
|
4945 #endif
|
|
|
4946 #ifdef FEAT_MOUSESHAPE
|
|
|
4947 "mouseshape",
|
|
|
4948 #endif
|
|
|
4949 #if defined(UNIX) || defined(VMS)
|
|
|
4950 # ifdef FEAT_MOUSE_DEC
|
|
|
4951 "mouse_dec",
|
|
|
4952 # endif
|
|
|
4953 # ifdef FEAT_MOUSE_GPM
|
|
|
4954 "mouse_gpm",
|
|
|
4955 # endif
|
|
|
4956 # ifdef FEAT_MOUSE_JSB
|
|
|
4957 "mouse_jsbterm",
|
|
|
4958 # endif
|
|
|
4959 # ifdef FEAT_MOUSE_NET
|
|
|
4960 "mouse_netterm",
|
|
|
4961 # endif
|
|
|
4962 # ifdef FEAT_MOUSE_PTERM
|
|
|
4963 "mouse_pterm",
|
|
|
4964 # endif
|
|
|
4965 # ifdef FEAT_MOUSE_XTERM
|
|
|
4966 "mouse_xterm",
|
|
|
4967 # endif
|
|
|
4968 #endif
|
|
|
4969 #ifdef FEAT_MBYTE
|
|
|
4970 "multi_byte",
|
|
|
4971 #endif
|
|
|
4972 #ifdef FEAT_MBYTE_IME
|
|
|
4973 "multi_byte_ime",
|
|
|
4974 #endif
|
|
|
4975 #ifdef FEAT_MULTI_LANG
|
|
|
4976 "multi_lang",
|
|
|
4977 #endif
|
|
|
4978 #ifdef FEAT_OLE
|
|
|
4979 "ole",
|
|
|
4980 #endif
|
|
|
4981 #ifdef FEAT_OSFILETYPE
|
|
|
4982 "osfiletype",
|
|
|
4983 #endif
|
|
|
4984 #ifdef FEAT_PATH_EXTRA
|
|
|
4985 "path_extra",
|
|
|
4986 #endif
|
|
|
4987 #ifdef FEAT_PERL
|
|
|
4988 #ifndef DYNAMIC_PERL
|
|
|
4989 "perl",
|
|
|
4990 #endif
|
|
|
4991 #endif
|
|
|
4992 #ifdef FEAT_PYTHON
|
|
|
4993 #ifndef DYNAMIC_PYTHON
|
|
|
4994 "python",
|
|
|
4995 #endif
|
|
|
4996 #endif
|
|
|
4997 #ifdef FEAT_POSTSCRIPT
|
|
|
4998 "postscript",
|
|
|
4999 #endif
|
|
|
5000 #ifdef FEAT_PRINTER
|
|
|
5001 "printer",
|
|
|
5002 #endif
|
|
|
5003 #ifdef FEAT_QUICKFIX
|
|
|
5004 "quickfix",
|
|
|
5005 #endif
|
|
|
5006 #ifdef FEAT_RIGHTLEFT
|
|
|
5007 "rightleft",
|
|
|
5008 #endif
|
|
|
5009 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
5010 "ruby",
|
|
|
5011 #endif
|
|
|
5012 #ifdef FEAT_SCROLLBIND
|
|
|
5013 "scrollbind",
|
|
|
5014 #endif
|
|
|
5015 #ifdef FEAT_CMDL_INFO
|
|
|
5016 "showcmd",
|
|
|
5017 "cmdline_info",
|
|
|
5018 #endif
|
|
|
5019 #ifdef FEAT_SIGNS
|
|
|
5020 "signs",
|
|
|
5021 #endif
|
|
|
5022 #ifdef FEAT_SMARTINDENT
|
|
|
5023 "smartindent",
|
|
|
5024 #endif
|
|
|
5025 #ifdef FEAT_SNIFF
|
|
|
5026 "sniff",
|
|
|
5027 #endif
|
|
|
5028 #ifdef FEAT_STL_OPT
|
|
|
5029 "statusline",
|
|
|
5030 #endif
|
|
|
5031 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5032 "sun_workshop",
|
|
|
5033 #endif
|
|
|
5034 #ifdef FEAT_NETBEANS_INTG
|
|
|
5035 "netbeans_intg",
|
|
|
5036 #endif
|
|
|
5037 #ifdef FEAT_SYN_HL
|
|
|
5038 "syntax",
|
|
|
5039 #endif
|
|
|
5040 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5041 "system",
|
|
|
5042 #endif
|
|
|
5043 #ifdef FEAT_TAG_BINS
|
|
|
5044 "tag_binary",
|
|
|
5045 #endif
|
|
|
5046 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5047 "tag_old_static",
|
|
|
5048 #endif
|
|
|
5049 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5050 "tag_any_white",
|
|
|
5051 #endif
|
|
|
5052 #ifdef FEAT_TCL
|
|
|
5053 # ifndef DYNAMIC_TCL
|
|
|
5054 "tcl",
|
|
|
5055 # endif
|
|
|
5056 #endif
|
|
|
5057 #ifdef TERMINFO
|
|
|
5058 "terminfo",
|
|
|
5059 #endif
|
|
|
5060 #ifdef FEAT_TERMRESPONSE
|
|
|
5061 "termresponse",
|
|
|
5062 #endif
|
|
|
5063 #ifdef FEAT_TEXTOBJ
|
|
|
5064 "textobjects",
|
|
|
5065 #endif
|
|
|
5066 #ifdef HAVE_TGETENT
|
|
|
5067 "tgetent",
|
|
|
5068 #endif
|
|
|
5069 #ifdef FEAT_TITLE
|
|
|
5070 "title",
|
|
|
5071 #endif
|
|
|
5072 #ifdef FEAT_TOOLBAR
|
|
|
5073 "toolbar",
|
|
|
5074 #endif
|
|
|
5075 #ifdef FEAT_USR_CMDS
|
|
|
5076 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5077 "user_commands",
|
|
|
5078 #endif
|
|
|
5079 #ifdef FEAT_VIMINFO
|
|
|
5080 "viminfo",
|
|
|
5081 #endif
|
|
|
5082 #ifdef FEAT_VERTSPLIT
|
|
|
5083 "vertsplit",
|
|
|
5084 #endif
|
|
|
5085 #ifdef FEAT_VIRTUALEDIT
|
|
|
5086 "virtualedit",
|
|
|
5087 #endif
|
|
|
5088 #ifdef FEAT_VISUAL
|
|
|
5089 "visual",
|
|
|
5090 #endif
|
|
|
5091 #ifdef FEAT_VISUALEXTRA
|
|
|
5092 "visualextra",
|
|
|
5093 #endif
|
|
|
5094 #ifdef FEAT_VREPLACE
|
|
|
5095 "vreplace",
|
|
|
5096 #endif
|
|
|
5097 #ifdef FEAT_WILDIGN
|
|
|
5098 "wildignore",
|
|
|
5099 #endif
|
|
|
5100 #ifdef FEAT_WILDMENU
|
|
|
5101 "wildmenu",
|
|
|
5102 #endif
|
|
|
5103 #ifdef FEAT_WINDOWS
|
|
|
5104 "windows",
|
|
|
5105 #endif
|
|
|
5106 #ifdef FEAT_WAK
|
|
|
5107 "winaltkeys",
|
|
|
5108 #endif
|
|
|
5109 #ifdef FEAT_WRITEBACKUP
|
|
|
5110 "writebackup",
|
|
|
5111 #endif
|
|
|
5112 #ifdef FEAT_XIM
|
|
|
5113 "xim",
|
|
|
5114 #endif
|
|
|
5115 #ifdef FEAT_XFONTSET
|
|
|
5116 "xfontset",
|
|
|
5117 #endif
|
|
|
5118 #ifdef USE_XSMP
|
|
|
5119 "xsmp",
|
|
|
5120 #endif
|
|
|
5121 #ifdef USE_XSMP_INTERACT
|
|
|
5122 "xsmp_interact",
|
|
|
5123 #endif
|
|
|
5124 #ifdef FEAT_XCLIPBOARD
|
|
|
5125 "xterm_clipboard",
|
|
|
5126 #endif
|
|
|
5127 #ifdef FEAT_XTERM_SAVE
|
|
|
5128 "xterm_save",
|
|
|
5129 #endif
|
|
|
5130 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5131 "X11",
|
|
|
5132 #endif
|
|
|
5133 NULL
|
|
|
5134 };
|
|
|
5135
|
|
|
5136 name = get_var_string(&argvars[0]);
|
|
|
5137 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5138 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5139 {
|
|
|
5140 n = TRUE;
|
|
|
5141 break;
|
|
|
5142 }
|
|
|
5143
|
|
|
5144 if (n == FALSE)
|
|
|
5145 {
|
|
|
5146 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5147 n = has_patch(atoi((char *)name + 5));
|
|
|
5148 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5149 n = (starting != 0);
|
|
|
5150 #ifdef DYNAMIC_TCL
|
|
|
5151 else if (STRICMP(name, "tcl") == 0)
|
|
|
5152 n = tcl_enabled(FALSE);
|
|
|
5153 #endif
|
|
|
5154 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5155 else if (STRICMP(name, "iconv") == 0)
|
|
|
5156 n = iconv_enabled(FALSE);
|
|
|
5157 #endif
|
|
|
5158 #ifdef DYNAMIC_RUBY
|
|
|
5159 else if (STRICMP(name, "ruby") == 0)
|
|
|
5160 n = ruby_enabled(FALSE);
|
|
|
5161 #endif
|
|
|
5162 #ifdef DYNAMIC_PYTHON
|
|
|
5163 else if (STRICMP(name, "python") == 0)
|
|
|
5164 n = python_enabled(FALSE);
|
|
|
5165 #endif
|
|
|
5166 #ifdef DYNAMIC_PERL
|
|
|
5167 else if (STRICMP(name, "perl") == 0)
|
|
|
5168 n = perl_enabled(FALSE);
|
|
|
5169 #endif
|
|
|
5170 #ifdef FEAT_GUI
|
|
|
5171 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5172 n = (gui.in_use || gui.starting);
|
|
|
5173 # ifdef FEAT_GUI_W32
|
|
|
5174 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5175 n = gui_is_win32s();
|
|
|
5176 # endif
|
|
|
5177 # ifdef FEAT_BROWSE
|
|
|
5178 else if (STRICMP(name, "browse") == 0)
|
|
|
5179 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5180 # endif
|
|
|
5181 #endif
|
|
|
5182 #ifdef FEAT_SYN_HL
|
|
|
5183 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5184 n = syntax_present(curbuf);
|
|
|
5185 #endif
|
|
|
5186 #if defined(WIN3264)
|
|
|
5187 else if (STRICMP(name, "win95") == 0)
|
|
|
5188 n = mch_windows95();
|
|
|
5189 #endif
|
|
|
5190 }
|
|
|
5191
|
|
|
5192 retvar->var_val.var_number = n;
|
|
|
5193 }
|
|
|
5194
|
|
|
5195 /*
|
|
|
5196 * "hasmapto()" function
|
|
|
5197 */
|
|
|
5198 static void
|
|
|
5199 f_hasmapto(argvars, retvar)
|
|
|
5200 VAR argvars;
|
|
|
5201 VAR retvar;
|
|
|
5202 {
|
|
|
5203 char_u *name;
|
|
|
5204 char_u *mode;
|
|
|
5205 char_u buf[NUMBUFLEN];
|
|
|
5206
|
|
|
5207 name = get_var_string(&argvars[0]);
|
|
|
5208 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5209 mode = (char_u *)"nvo";
|
|
|
5210 else
|
|
|
5211 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5212
|
|
|
5213 if (map_to_exists(name, mode))
|
|
|
5214 retvar->var_val.var_number = TRUE;
|
|
|
5215 else
|
|
|
5216 retvar->var_val.var_number = FALSE;
|
|
|
5217 }
|
|
|
5218
|
|
|
5219 /*
|
|
|
5220 * "histadd()" function
|
|
|
5221 */
|
|
|
5222 /*ARGSUSED*/
|
|
|
5223 static void
|
|
|
5224 f_histadd(argvars, retvar)
|
|
|
5225 VAR argvars;
|
|
|
5226 VAR retvar;
|
|
|
5227 {
|
|
|
5228 #ifdef FEAT_CMDHIST
|
|
|
5229 int histype;
|
|
|
5230 char_u *str;
|
|
|
5231 char_u buf[NUMBUFLEN];
|
|
|
5232 #endif
|
|
|
5233
|
|
|
5234 retvar->var_val.var_number = FALSE;
|
|
|
5235 if (check_restricted() || check_secure())
|
|
|
5236 return;
|
|
|
5237 #ifdef FEAT_CMDHIST
|
|
|
5238 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5239 if (histype >= 0)
|
|
|
5240 {
|
|
|
5241 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5242 if (*str != NUL)
|
|
|
5243 {
|
|
|
5244 add_to_history(histype, str, FALSE, NUL);
|
|
|
5245 retvar->var_val.var_number = TRUE;
|
|
|
5246 return;
|
|
|
5247 }
|
|
|
5248 }
|
|
|
5249 #endif
|
|
|
5250 }
|
|
|
5251
|
|
|
5252 /*
|
|
|
5253 * "histdel()" function
|
|
|
5254 */
|
|
|
5255 /*ARGSUSED*/
|
|
|
5256 static void
|
|
|
5257 f_histdel(argvars, retvar)
|
|
|
5258 VAR argvars;
|
|
|
5259 VAR retvar;
|
|
|
5260 {
|
|
|
5261 #ifdef FEAT_CMDHIST
|
|
|
5262 int n;
|
|
|
5263 char_u buf[NUMBUFLEN];
|
|
|
5264
|
|
|
5265 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5266 /* only one argument: clear entire history */
|
|
|
5267 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5268 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5269 /* index given: remove that entry */
|
|
|
5270 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5271 (int)get_var_number(&argvars[1]));
|
|
|
5272 else
|
|
|
5273 /* string given: remove all matching entries */
|
|
|
5274 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5275 get_var_string_buf(&argvars[1], buf));
|
|
|
5276 retvar->var_val.var_number = n;
|
|
|
5277 #else
|
|
|
5278 retvar->var_val.var_number = 0;
|
|
|
5279 #endif
|
|
|
5280 }
|
|
|
5281
|
|
|
5282 /*
|
|
|
5283 * "histget()" function
|
|
|
5284 */
|
|
|
5285 /*ARGSUSED*/
|
|
|
5286 static void
|
|
|
5287 f_histget(argvars, retvar)
|
|
|
5288 VAR argvars;
|
|
|
5289 VAR retvar;
|
|
|
5290 {
|
|
|
5291 #ifdef FEAT_CMDHIST
|
|
|
5292 int type;
|
|
|
5293 int idx;
|
|
|
5294
|
|
|
5295 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5296 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5297 idx = get_history_idx(type);
|
|
|
5298 else
|
|
|
5299 idx = (int)get_var_number(&argvars[1]);
|
|
|
5300 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5301 #else
|
|
|
5302 retvar->var_val.var_string = NULL;
|
|
|
5303 #endif
|
|
|
5304 retvar->var_type = VAR_STRING;
|
|
|
5305 }
|
|
|
5306
|
|
|
5307 /*
|
|
|
5308 * "histnr()" function
|
|
|
5309 */
|
|
|
5310 /*ARGSUSED*/
|
|
|
5311 static void
|
|
|
5312 f_histnr(argvars, retvar)
|
|
|
5313 VAR argvars;
|
|
|
5314 VAR retvar;
|
|
|
5315 {
|
|
|
5316 int i;
|
|
|
5317
|
|
|
5318 #ifdef FEAT_CMDHIST
|
|
|
5319 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5320 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5321 i = get_history_idx(i);
|
|
|
5322 else
|
|
|
5323 #endif
|
|
|
5324 i = -1;
|
|
|
5325 retvar->var_val.var_number = i;
|
|
|
5326 }
|
|
|
5327
|
|
|
5328 /*
|
|
|
5329 * "highlight_exists()" function
|
|
|
5330 */
|
|
|
5331 static void
|
|
|
5332 f_hlexists(argvars, retvar)
|
|
|
5333 VAR argvars;
|
|
|
5334 VAR retvar;
|
|
|
5335 {
|
|
|
5336 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5337 }
|
|
|
5338
|
|
|
5339 /*
|
|
|
5340 * "highlightID(name)" function
|
|
|
5341 */
|
|
|
5342 static void
|
|
|
5343 f_hlID(argvars, retvar)
|
|
|
5344 VAR argvars;
|
|
|
5345 VAR retvar;
|
|
|
5346 {
|
|
|
5347 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5348 }
|
|
|
5349
|
|
|
5350 /*
|
|
|
5351 * "hostname()" function
|
|
|
5352 */
|
|
|
5353 /*ARGSUSED*/
|
|
|
5354 static void
|
|
|
5355 f_hostname(argvars, retvar)
|
|
|
5356 VAR argvars;
|
|
|
5357 VAR retvar;
|
|
|
5358 {
|
|
|
5359 char_u hostname[256];
|
|
|
5360
|
|
|
5361 mch_get_host_name(hostname, 256);
|
|
|
5362 retvar->var_type = VAR_STRING;
|
|
|
5363 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5364 }
|
|
|
5365
|
|
|
5366 /*
|
|
|
5367 * iconv() function
|
|
|
5368 */
|
|
|
5369 /*ARGSUSED*/
|
|
|
5370 static void
|
|
|
5371 f_iconv(argvars, retvar)
|
|
|
5372 VAR argvars;
|
|
|
5373 VAR retvar;
|
|
|
5374 {
|
|
|
5375 #ifdef FEAT_MBYTE
|
|
|
5376 char_u buf1[NUMBUFLEN];
|
|
|
5377 char_u buf2[NUMBUFLEN];
|
|
|
5378 char_u *from, *to, *str;
|
|
|
5379 vimconv_T vimconv;
|
|
|
5380 #endif
|
|
|
5381
|
|
|
5382 retvar->var_type = VAR_STRING;
|
|
|
5383 retvar->var_val.var_string = NULL;
|
|
|
5384
|
|
|
5385 #ifdef FEAT_MBYTE
|
|
|
5386 str = get_var_string(&argvars[0]);
|
|
|
5387 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5388 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5389 vimconv.vc_type = CONV_NONE;
|
|
|
5390 convert_setup(&vimconv, from, to);
|
|
|
5391
|
|
|
5392 /* If the encodings are equal, no conversion needed. */
|
|
|
5393 if (vimconv.vc_type == CONV_NONE)
|
|
|
5394 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5395 else
|
|
|
5396 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5397
|
|
|
5398 convert_setup(&vimconv, NULL, NULL);
|
|
|
5399 vim_free(from);
|
|
|
5400 vim_free(to);
|
|
|
5401 #endif
|
|
|
5402 }
|
|
|
5403
|
|
|
5404 /*
|
|
|
5405 * "indent()" function
|
|
|
5406 */
|
|
|
5407 static void
|
|
|
5408 f_indent(argvars, retvar)
|
|
|
5409 VAR argvars;
|
|
|
5410 VAR retvar;
|
|
|
5411 {
|
|
|
5412 linenr_T lnum;
|
|
|
5413
|
|
|
5414 lnum = get_var_lnum(argvars);
|
|
|
5415 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5416 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5417 else
|
|
|
5418 retvar->var_val.var_number = -1;
|
|
|
5419 }
|
|
|
5420
|
|
|
5421 static int inputsecret_flag = 0;
|
|
|
5422
|
|
|
5423 /*
|
|
|
5424 * "input()" function
|
|
|
5425 * Also handles inputsecret() when inputsecret is set.
|
|
|
5426 */
|
|
|
5427 static void
|
|
|
5428 f_input(argvars, retvar)
|
|
|
5429 VAR argvars;
|
|
|
5430 VAR retvar;
|
|
|
5431 {
|
|
|
5432 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5433 char_u *p = NULL;
|
|
|
5434 int c;
|
|
|
5435 char_u buf[NUMBUFLEN];
|
|
|
5436 int cmd_silent_save = cmd_silent;
|
|
|
5437
|
|
|
5438 retvar->var_type = VAR_STRING;
|
|
|
5439
|
|
|
5440 #ifdef NO_CONSOLE_INPUT
|
|
|
5441 /* While starting up, there is no place to enter text. */
|
|
|
5442 if (no_console_input())
|
|
|
5443 {
|
|
|
5444 retvar->var_val.var_string = NULL;
|
|
|
5445 return;
|
|
|
5446 }
|
|
|
5447 #endif
|
|
|
5448
|
|
|
5449 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5450 if (prompt != NULL)
|
|
|
5451 {
|
|
|
5452 /* Only the part of the message after the last NL is considered as
|
|
|
5453 * prompt for the command line */
|
|
|
5454 p = vim_strrchr(prompt, '\n');
|
|
|
5455 if (p == NULL)
|
|
|
5456 p = prompt;
|
|
|
5457 else
|
|
|
5458 {
|
|
|
5459 ++p;
|
|
|
5460 c = *p;
|
|
|
5461 *p = NUL;
|
|
|
5462 msg_start();
|
|
|
5463 msg_clr_eos();
|
|
|
5464 msg_puts_attr(prompt, echo_attr);
|
|
|
5465 msg_didout = FALSE;
|
|
|
5466 msg_starthere();
|
|
|
5467 *p = c;
|
|
|
5468 }
|
|
|
5469 cmdline_row = msg_row;
|
|
|
5470 }
|
|
|
5471
|
|
|
5472 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5473 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5474
|
|
|
5475 retvar->var_val.var_string =
|
|
|
5476 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5477
|
|
|
5478 /* since the user typed this, no need to wait for return */
|
|
|
5479 need_wait_return = FALSE;
|
|
|
5480 msg_didout = FALSE;
|
|
|
5481 cmd_silent = cmd_silent_save;
|
|
|
5482 }
|
|
|
5483
|
|
|
5484 /*
|
|
|
5485 * "inputdialog()" function
|
|
|
5486 */
|
|
|
5487 static void
|
|
|
5488 f_inputdialog(argvars, retvar)
|
|
|
5489 VAR argvars;
|
|
|
5490 VAR retvar;
|
|
|
5491 {
|
|
|
5492 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5493 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5494 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5495 {
|
|
|
5496 char_u *message;
|
|
|
5497 char_u buf[NUMBUFLEN];
|
|
|
5498
|
|
|
5499 message = get_var_string(&argvars[0]);
|
|
|
5500 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5501 {
|
|
|
5502 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5503 IObuff[IOSIZE - 1] = NUL;
|
|
|
5504 }
|
|
|
5505 else
|
|
|
5506 IObuff[0] = NUL;
|
|
|
5507 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5508 1, IObuff) == 1)
|
|
|
5509 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5510 else
|
|
|
5511 {
|
|
|
5512 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5513 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5514 retvar->var_val.var_string = vim_strsave(
|
|
|
5515 get_var_string_buf(&argvars[2], buf));
|
|
|
5516 else
|
|
|
5517 retvar->var_val.var_string = NULL;
|
|
|
5518 }
|
|
|
5519 retvar->var_type = VAR_STRING;
|
|
|
5520 }
|
|
|
5521 else
|
|
|
5522 #endif
|
|
|
5523 f_input(argvars, retvar);
|
|
|
5524 }
|
|
|
5525
|
|
|
5526 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5527
|
|
|
5528 /*
|
|
|
5529 * "inputrestore()" function
|
|
|
5530 */
|
|
|
5531 /*ARGSUSED*/
|
|
|
5532 static void
|
|
|
5533 f_inputrestore(argvars, retvar)
|
|
|
5534 VAR argvars;
|
|
|
5535 VAR retvar;
|
|
|
5536 {
|
|
|
5537 if (ga_userinput.ga_len > 0)
|
|
|
5538 {
|
|
|
5539 --ga_userinput.ga_len;
|
|
|
5540 ++ga_userinput.ga_room;
|
|
|
5541 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5542 + ga_userinput.ga_len);
|
|
|
5543 retvar->var_val.var_number = 0; /* OK */
|
|
|
5544 }
|
|
|
5545 else if (p_verbose > 1)
|
|
|
5546 {
|
|
|
5547 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5548 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5549 }
|
|
|
5550 }
|
|
|
5551
|
|
|
5552 /*
|
|
|
5553 * "inputsave()" function
|
|
|
5554 */
|
|
|
5555 /*ARGSUSED*/
|
|
|
5556 static void
|
|
|
5557 f_inputsave(argvars, retvar)
|
|
|
5558 VAR argvars;
|
|
|
5559 VAR retvar;
|
|
|
5560 {
|
|
|
5561 /* Add an entry to the stack of typehead storage. */
|
|
|
5562 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5563 {
|
|
|
5564 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5565 + ga_userinput.ga_len);
|
|
|
5566 ++ga_userinput.ga_len;
|
|
|
5567 --ga_userinput.ga_room;
|
|
|
5568 retvar->var_val.var_number = 0; /* OK */
|
|
|
5569 }
|
|
|
5570 else
|
|
|
5571 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5572 }
|
|
|
5573
|
|
|
5574 /*
|
|
|
5575 * "inputsecret()" function
|
|
|
5576 */
|
|
|
5577 static void
|
|
|
5578 f_inputsecret(argvars, retvar)
|
|
|
5579 VAR argvars;
|
|
|
5580 VAR retvar;
|
|
|
5581 {
|
|
|
5582 ++cmdline_star;
|
|
|
5583 ++inputsecret_flag;
|
|
|
5584 f_input(argvars, retvar);
|
|
|
5585 --cmdline_star;
|
|
|
5586 --inputsecret_flag;
|
|
|
5587 }
|
|
|
5588
|
|
|
5589 /*
|
|
|
5590 * "isdirectory()" function
|
|
|
5591 */
|
|
|
5592 static void
|
|
|
5593 f_isdirectory(argvars, retvar)
|
|
|
5594 VAR argvars;
|
|
|
5595 VAR retvar;
|
|
|
5596 {
|
|
|
5597 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5598 }
|
|
|
5599
|
|
|
5600 /*
|
|
|
5601 * "last_buffer_nr()" function.
|
|
|
5602 */
|
|
|
5603 /*ARGSUSED*/
|
|
|
5604 static void
|
|
|
5605 f_last_buffer_nr(argvars, retvar)
|
|
|
5606 VAR argvars;
|
|
|
5607 VAR retvar;
|
|
|
5608 {
|
|
|
5609 int n = 0;
|
|
|
5610 buf_T *buf;
|
|
|
5611
|
|
|
5612 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5613 if (n < buf->b_fnum)
|
|
|
5614 n = buf->b_fnum;
|
|
|
5615
|
|
|
5616 retvar->var_val.var_number = n;
|
|
|
5617 }
|
|
|
5618
|
|
|
5619 /*
|
|
|
5620 * "line(string)" function
|
|
|
5621 */
|
|
|
5622 static void
|
|
|
5623 f_line(argvars, retvar)
|
|
|
5624 VAR argvars;
|
|
|
5625 VAR retvar;
|
|
|
5626 {
|
|
|
5627 linenr_T lnum = 0;
|
|
|
5628 pos_T *fp;
|
|
|
5629
|
|
|
5630 fp = var2fpos(&argvars[0], TRUE);
|
|
|
5631 if (fp != NULL)
|
|
|
5632 lnum = fp->lnum;
|
|
|
5633 retvar->var_val.var_number = lnum;
|
|
|
5634 }
|
|
|
5635
|
|
|
5636 /*
|
|
|
5637 * "line2byte(lnum)" function
|
|
|
5638 */
|
|
|
5639 /*ARGSUSED*/
|
|
|
5640 static void
|
|
|
5641 f_line2byte(argvars, retvar)
|
|
|
5642 VAR argvars;
|
|
|
5643 VAR retvar;
|
|
|
5644 {
|
|
|
5645 #ifndef FEAT_BYTEOFF
|
|
|
5646 retvar->var_val.var_number = -1;
|
|
|
5647 #else
|
|
|
5648 linenr_T lnum;
|
|
|
5649
|
|
|
5650 lnum = get_var_lnum(argvars);
|
|
|
5651 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
5652 retvar->var_val.var_number = -1;
|
|
|
5653 else
|
|
|
5654 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
5655 if (retvar->var_val.var_number >= 0)
|
|
|
5656 ++retvar->var_val.var_number;
|
|
|
5657 #endif
|
|
|
5658 }
|
|
|
5659
|
|
|
5660 /*
|
|
|
5661 * "lispindent(lnum)" function
|
|
|
5662 */
|
|
|
5663 static void
|
|
|
5664 f_lispindent(argvars, retvar)
|
|
|
5665 VAR argvars;
|
|
|
5666 VAR retvar;
|
|
|
5667 {
|
|
|
5668 #ifdef FEAT_LISP
|
|
|
5669 pos_T pos;
|
|
|
5670 linenr_T lnum;
|
|
|
5671
|
|
|
5672 pos = curwin->w_cursor;
|
|
|
5673 lnum = get_var_lnum(argvars);
|
|
|
5674 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5675 {
|
|
|
5676 curwin->w_cursor.lnum = lnum;
|
|
|
5677 retvar->var_val.var_number = get_lisp_indent();
|
|
|
5678 curwin->w_cursor = pos;
|
|
|
5679 }
|
|
|
5680 else
|
|
|
5681 #endif
|
|
|
5682 retvar->var_val.var_number = -1;
|
|
|
5683 }
|
|
|
5684
|
|
|
5685 /*
|
|
|
5686 * "localtime()" function
|
|
|
5687 */
|
|
|
5688 /*ARGSUSED*/
|
|
|
5689 static void
|
|
|
5690 f_localtime(argvars, retvar)
|
|
|
5691 VAR argvars;
|
|
|
5692 VAR retvar;
|
|
|
5693 {
|
|
|
5694 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
5695 }
|
|
|
5696
|
|
|
5697 /*
|
|
|
5698 * "maparg()" function
|
|
|
5699 */
|
|
|
5700 static void
|
|
|
5701 f_maparg(argvars, retvar)
|
|
|
5702 VAR argvars;
|
|
|
5703 VAR retvar;
|
|
|
5704 {
|
|
|
5705 get_maparg(argvars, retvar, TRUE);
|
|
|
5706 }
|
|
|
5707
|
|
|
5708 /*
|
|
|
5709 * "mapcheck()" function
|
|
|
5710 */
|
|
|
5711 static void
|
|
|
5712 f_mapcheck(argvars, retvar)
|
|
|
5713 VAR argvars;
|
|
|
5714 VAR retvar;
|
|
|
5715 {
|
|
|
5716 get_maparg(argvars, retvar, FALSE);
|
|
|
5717 }
|
|
|
5718
|
|
|
5719 static void
|
|
|
5720 get_maparg(argvars, retvar, exact)
|
|
|
5721 VAR argvars;
|
|
|
5722 VAR retvar;
|
|
|
5723 int exact;
|
|
|
5724 {
|
|
|
5725 char_u *keys;
|
|
|
5726 char_u *which;
|
|
|
5727 char_u buf[NUMBUFLEN];
|
|
|
5728 char_u *keys_buf = NULL;
|
|
|
5729 char_u *rhs;
|
|
|
5730 int mode;
|
|
|
5731 garray_T ga;
|
|
|
5732
|
|
|
5733 /* return empty string for failure */
|
|
|
5734 retvar->var_type = VAR_STRING;
|
|
|
5735 retvar->var_val.var_string = NULL;
|
|
|
5736
|
|
|
5737 keys = get_var_string(&argvars[0]);
|
|
|
5738 if (*keys == NUL)
|
|
|
5739 return;
|
|
|
5740
|
|
|
5741 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5742 which = get_var_string_buf(&argvars[1], buf);
|
|
|
5743 else
|
|
|
5744 which = (char_u *)"";
|
|
|
5745 mode = get_map_mode(&which, 0);
|
|
|
5746
|
|
|
5747 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
5748 rhs = check_map(keys, mode, exact);
|
|
|
5749 vim_free(keys_buf);
|
|
|
5750 if (rhs != NULL)
|
|
|
5751 {
|
|
|
5752 ga_init(&ga);
|
|
|
5753 ga.ga_itemsize = 1;
|
|
|
5754 ga.ga_growsize = 40;
|
|
|
5755
|
|
|
5756 while (*rhs != NUL)
|
|
|
5757 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
5758
|
|
|
5759 ga_append(&ga, NUL);
|
|
|
5760 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
5761 }
|
|
|
5762 }
|
|
|
5763
|
|
|
5764 /*
|
|
|
5765 * "match()" function
|
|
|
5766 */
|
|
|
5767 static void
|
|
|
5768 f_match(argvars, retvar)
|
|
|
5769 VAR argvars;
|
|
|
5770 VAR retvar;
|
|
|
5771 {
|
|
|
5772 find_some_match(argvars, retvar, 1);
|
|
|
5773 }
|
|
|
5774
|
|
|
5775 /*
|
|
|
5776 * "matchend()" function
|
|
|
5777 */
|
|
|
5778 static void
|
|
|
5779 f_matchend(argvars, retvar)
|
|
|
5780 VAR argvars;
|
|
|
5781 VAR retvar;
|
|
|
5782 {
|
|
|
5783 find_some_match(argvars, retvar, 0);
|
|
|
5784 }
|
|
|
5785
|
|
|
5786 /*
|
|
|
5787 * "matchstr()" function
|
|
|
5788 */
|
|
|
5789 static void
|
|
|
5790 f_matchstr(argvars, retvar)
|
|
|
5791 VAR argvars;
|
|
|
5792 VAR retvar;
|
|
|
5793 {
|
|
|
5794 find_some_match(argvars, retvar, 2);
|
|
|
5795 }
|
|
|
5796
|
|
|
5797 static void
|
|
|
5798 find_some_match(argvars, retvar, type)
|
|
|
5799 VAR argvars;
|
|
|
5800 VAR retvar;
|
|
|
5801 int type;
|
|
|
5802 {
|
|
|
5803 char_u *str;
|
|
|
5804 char_u *pat;
|
|
|
5805 regmatch_T regmatch;
|
|
|
5806 char_u patbuf[NUMBUFLEN];
|
|
|
5807 char_u *save_cpo;
|
|
|
5808 long start = 0;
|
|
|
5809
|
|
|
5810 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
5811 save_cpo = p_cpo;
|
|
|
5812 p_cpo = (char_u *)"";
|
|
|
5813
|
|
|
5814 str = get_var_string(&argvars[0]);
|
|
|
5815 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
5816
|
|
|
5817 if (type == 2)
|
|
|
5818 {
|
|
|
5819 retvar->var_type = VAR_STRING;
|
|
|
5820 retvar->var_val.var_string = NULL;
|
|
|
5821 }
|
|
|
5822 else
|
|
|
5823 retvar->var_val.var_number = -1;
|
|
|
5824
|
|
|
5825 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5826 {
|
|
|
5827 start = get_var_number(&argvars[2]);
|
|
|
5828 if (start < 0)
|
|
|
5829 start = 0;
|
|
|
5830 if (start > (long)STRLEN(str))
|
|
|
5831 goto theend;
|
|
|
5832 str += start;
|
|
|
5833 }
|
|
|
5834
|
|
|
5835 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
5836 if (regmatch.regprog != NULL)
|
|
|
5837 {
|
|
|
5838 regmatch.rm_ic = p_ic;
|
|
|
5839 if (vim_regexec_nl(®match, str, (colnr_T)0))
|
|
|
5840 {
|
|
|
5841 if (type == 2)
|
|
|
5842 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
5843 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
5844 else
|
|
|
5845 {
|
|
|
5846 if (type != 0)
|
|
|
5847 retvar->var_val.var_number =
|
|
|
5848 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
5849 else
|
|
|
5850 retvar->var_val.var_number =
|
|
|
5851 (varnumber_T)(regmatch.endp[0] - str);
|
|
|
5852 retvar->var_val.var_number += start;
|
|
|
5853 }
|
|
|
5854 }
|
|
|
5855 vim_free(regmatch.regprog);
|
|
|
5856 }
|
|
|
5857
|
|
|
5858 theend:
|
|
|
5859 p_cpo = save_cpo;
|
|
|
5860 }
|
|
|
5861
|
|
|
5862 /*
|
|
|
5863 * "mode()" function
|
|
|
5864 */
|
|
|
5865 /*ARGSUSED*/
|
|
|
5866 static void
|
|
|
5867 f_mode(argvars, retvar)
|
|
|
5868 VAR argvars;
|
|
|
5869 VAR retvar;
|
|
|
5870 {
|
|
|
5871 char_u buf[2];
|
|
|
5872
|
|
|
5873 #ifdef FEAT_VISUAL
|
|
|
5874 if (VIsual_active)
|
|
|
5875 {
|
|
|
5876 if (VIsual_select)
|
|
|
5877 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
5878 else
|
|
|
5879 buf[0] = VIsual_mode;
|
|
|
5880 }
|
|
|
5881 else
|
|
|
5882 #endif
|
|
|
5883 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
5884 buf[0] = 'r';
|
|
|
5885 else if (State & INSERT)
|
|
|
5886 {
|
|
|
5887 if (State & REPLACE_FLAG)
|
|
|
5888 buf[0] = 'R';
|
|
|
5889 else
|
|
|
5890 buf[0] = 'i';
|
|
|
5891 }
|
|
|
5892 else if (State & CMDLINE)
|
|
|
5893 buf[0] = 'c';
|
|
|
5894 else
|
|
|
5895 buf[0] = 'n';
|
|
|
5896
|
|
|
5897 buf[1] = NUL;
|
|
|
5898 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5899 retvar->var_type = VAR_STRING;
|
|
|
5900 }
|
|
|
5901
|
|
|
5902 /*
|
|
|
5903 * "nr2char()" function
|
|
|
5904 */
|
|
|
5905 static void
|
|
|
5906 f_nr2char(argvars, retvar)
|
|
|
5907 VAR argvars;
|
|
|
5908 VAR retvar;
|
|
|
5909 {
|
|
|
5910 char_u buf[NUMBUFLEN];
|
|
|
5911
|
|
|
5912 #ifdef FEAT_MBYTE
|
|
|
5913 if (has_mbyte)
|
|
|
5914 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
5915 else
|
|
|
5916 #endif
|
|
|
5917 {
|
|
|
5918 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
5919 buf[1] = NUL;
|
|
|
5920 }
|
|
|
5921 retvar->var_type = VAR_STRING;
|
|
|
5922 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5923 }
|
|
|
5924
|
|
|
5925 /*
|
|
|
5926 * "rename({from}, {to})" function
|
|
|
5927 */
|
|
|
5928 static void
|
|
|
5929 f_rename(argvars, retvar)
|
|
|
5930 VAR argvars;
|
|
|
5931 VAR retvar;
|
|
|
5932 {
|
|
|
5933 char_u buf[NUMBUFLEN];
|
|
|
5934
|
|
|
5935 if (check_restricted() || check_secure())
|
|
|
5936 retvar->var_val.var_number = -1;
|
|
|
5937 else
|
|
|
5938 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
5939 get_var_string_buf(&argvars[1], buf));
|
|
|
5940 }
|
|
|
5941
|
|
|
5942 /*
|
|
|
5943 * "resolve()" function
|
|
|
5944 */
|
|
|
5945 static void
|
|
|
5946 f_resolve(argvars, retvar)
|
|
|
5947 VAR argvars;
|
|
|
5948 VAR retvar;
|
|
|
5949 {
|
|
|
5950 char_u *p;
|
|
|
5951
|
|
|
5952 p = get_var_string(&argvars[0]);
|
|
|
5953 #ifdef FEAT_SHORTCUT
|
|
|
5954 {
|
|
|
5955 char_u *v = NULL;
|
|
|
5956
|
|
|
5957 v = mch_resolve_shortcut(p);
|
|
|
5958 if (v != NULL)
|
|
|
5959 retvar->var_val.var_string = v;
|
|
|
5960 else
|
|
|
5961 retvar->var_val.var_string = vim_strsave(p);
|
|
|
5962 }
|
|
|
5963 #else
|
|
|
5964 # ifdef HAVE_READLINK
|
|
|
5965 {
|
|
|
5966 char_u buf[MAXPATHL + 1];
|
|
|
5967 char_u *cpy;
|
|
|
5968 int len;
|
|
|
5969 char_u *remain = NULL;
|
|
|
5970 char_u *q;
|
|
|
5971 int is_relative_to_current = FALSE;
|
|
|
5972 int has_trailing_pathsep = FALSE;
|
|
|
5973 int limit = 100;
|
|
|
5974
|
|
|
5975 p = vim_strsave(p);
|
|
|
5976
|
|
|
5977 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
5978 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
5979 is_relative_to_current = TRUE;
|
|
|
5980
|
|
|
5981 len = STRLEN(p);
|
|
|
5982 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
5983 has_trailing_pathsep = TRUE;
|
|
|
5984
|
|
|
5985 q = getnextcomp(p);
|
|
|
5986 if (*q != NUL)
|
|
|
5987 {
|
|
|
5988 /* Separate the first path component in "p", and keep the
|
|
|
5989 * remainder (beginning with the path separator). */
|
|
|
5990 remain = vim_strsave(q - 1);
|
|
|
5991 q[-1] = NUL;
|
|
|
5992 }
|
|
|
5993
|
|
|
5994 for (;;)
|
|
|
5995 {
|
|
|
5996 for (;;)
|
|
|
5997 {
|
|
|
5998 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
5999 if (len <= 0)
|
|
|
6000 break;
|
|
|
6001 buf[len] = NUL;
|
|
|
6002
|
|
|
6003 if (limit-- == 0)
|
|
|
6004 {
|
|
|
6005 vim_free(p);
|
|
|
6006 vim_free(remain);
|
|
|
6007 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
6008 retvar->var_val.var_string = NULL;
|
|
|
6009 goto fail;
|
|
|
6010 }
|
|
|
6011
|
|
|
6012 /* Ensure that the result will have a trailing path separator
|
|
|
6013 * if the argument has one. */
|
|
|
6014 if (remain == NULL && has_trailing_pathsep)
|
|
|
6015 add_pathsep(buf);
|
|
|
6016
|
|
|
6017 /* Separate the first path component in the link value and
|
|
|
6018 * concatenate the remainders. */
|
|
|
6019 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
6020 if (*q != NUL)
|
|
|
6021 {
|
|
|
6022 if (remain == NULL)
|
|
|
6023 remain = vim_strsave(q - 1);
|
|
|
6024 else
|
|
|
6025 {
|
|
|
6026 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
6027 if (cpy != NULL)
|
|
|
6028 {
|
|
|
6029 STRCAT(cpy, remain);
|
|
|
6030 vim_free(remain);
|
|
|
6031 remain = cpy;
|
|
|
6032 }
|
|
|
6033 }
|
|
|
6034 q[-1] = NUL;
|
|
|
6035 }
|
|
|
6036
|
|
|
6037 q = gettail(p);
|
|
|
6038 if (q > p && *q == NUL)
|
|
|
6039 {
|
|
|
6040 /* Ignore trailing path separator. */
|
|
|
6041 q[-1] = NUL;
|
|
|
6042 q = gettail(p);
|
|
|
6043 }
|
|
|
6044 if (q > p && !mch_isFullName(buf))
|
|
|
6045 {
|
|
|
6046 /* symlink is relative to directory of argument */
|
|
|
6047 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6048 if (cpy != NULL)
|
|
|
6049 {
|
|
|
6050 STRCPY(cpy, p);
|
|
|
6051 STRCPY(gettail(cpy), buf);
|
|
|
6052 vim_free(p);
|
|
|
6053 p = cpy;
|
|
|
6054 }
|
|
|
6055 }
|
|
|
6056 else
|
|
|
6057 {
|
|
|
6058 vim_free(p);
|
|
|
6059 p = vim_strsave(buf);
|
|
|
6060 }
|
|
|
6061 }
|
|
|
6062
|
|
|
6063 if (remain == NULL)
|
|
|
6064 break;
|
|
|
6065
|
|
|
6066 /* Append the first path component of "remain" to "p". */
|
|
|
6067 q = getnextcomp(remain + 1);
|
|
|
6068 len = q - remain - (*q != NUL);
|
|
|
6069 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6070 if (cpy != NULL)
|
|
|
6071 {
|
|
|
6072 STRNCAT(cpy, remain, len);
|
|
|
6073 vim_free(p);
|
|
|
6074 p = cpy;
|
|
|
6075 }
|
|
|
6076 /* Shorten "remain". */
|
|
|
6077 if (*q != NUL)
|
|
|
6078 STRCPY(remain, q - 1);
|
|
|
6079 else
|
|
|
6080 {
|
|
|
6081 vim_free(remain);
|
|
|
6082 remain = NULL;
|
|
|
6083 }
|
|
|
6084 }
|
|
|
6085
|
|
|
6086 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6087 * the current directory if and only if the argument had this form. */
|
|
|
6088 if (!vim_ispathsep(*p))
|
|
|
6089 {
|
|
|
6090 if (is_relative_to_current
|
|
|
6091 && *p != NUL
|
|
|
6092 && !(p[0] == '.'
|
|
|
6093 && (p[1] == NUL
|
|
|
6094 || vim_ispathsep(p[1])
|
|
|
6095 || (p[1] == '.'
|
|
|
6096 && (p[2] == NUL
|
|
|
6097 || vim_ispathsep(p[2]))))))
|
|
|
6098 {
|
|
|
6099 /* Prepend "./". */
|
|
|
6100 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6101 if (cpy != NULL)
|
|
|
6102 {
|
|
|
6103 STRCAT(cpy, p);
|
|
|
6104 vim_free(p);
|
|
|
6105 p = cpy;
|
|
|
6106 }
|
|
|
6107 }
|
|
|
6108 else if (!is_relative_to_current)
|
|
|
6109 {
|
|
|
6110 /* Strip leading "./". */
|
|
|
6111 q = p;
|
|
|
6112 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6113 q += 2;
|
|
|
6114 if (q > p)
|
|
|
6115 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6116 }
|
|
|
6117 }
|
|
|
6118
|
|
|
6119 /* Ensure that the result will have no trailing path separator
|
|
|
6120 * if the argument had none. But keep "/" or "//". */
|
|
|
6121 if (!has_trailing_pathsep)
|
|
|
6122 {
|
|
|
6123 q = p + STRLEN(p);
|
|
|
6124 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6125 && vim_ispathsep(q[-1]))
|
|
|
6126 --q;
|
|
|
6127 *q = NUL;
|
|
|
6128 }
|
|
|
6129
|
|
|
6130 retvar->var_val.var_string = p;
|
|
|
6131 }
|
|
|
6132 # else
|
|
|
6133 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6134 # endif
|
|
|
6135 #endif
|
|
|
6136
|
|
|
6137 simplify_filename(retvar->var_val.var_string);
|
|
|
6138
|
|
|
6139 #ifdef HAVE_READLINK
|
|
|
6140 fail:
|
|
|
6141 #endif
|
|
|
6142 retvar->var_type = VAR_STRING;
|
|
|
6143 }
|
|
|
6144
|
|
|
6145 /*
|
|
|
6146 * "simplify()" function
|
|
|
6147 */
|
|
|
6148 static void
|
|
|
6149 f_simplify(argvars, retvar)
|
|
|
6150 VAR argvars;
|
|
|
6151 VAR retvar;
|
|
|
6152 {
|
|
|
6153 char_u *p;
|
|
|
6154
|
|
|
6155 p = get_var_string(&argvars[0]);
|
|
|
6156 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6157 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6158 retvar->var_type = VAR_STRING;
|
|
|
6159 }
|
|
|
6160
|
|
|
6161 /*
|
|
|
6162 * "search()" function
|
|
|
6163 */
|
|
|
6164 static void
|
|
|
6165 f_search(argvars, retvar)
|
|
|
6166 VAR argvars;
|
|
|
6167 VAR retvar;
|
|
|
6168 {
|
|
|
6169 char_u *pat;
|
|
|
6170 pos_T pos;
|
|
|
6171 int save_p_ws = p_ws;
|
|
|
6172 int dir;
|
|
|
6173
|
|
|
6174 pat = get_var_string(&argvars[0]);
|
|
|
6175 dir = get_search_arg(&argvars[1], NULL); /* may set p_ws */
|
|
|
6176
|
|
|
6177 pos = curwin->w_cursor;
|
|
|
6178 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6179 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6180 {
|
|
|
6181 retvar->var_val.var_number = pos.lnum;
|
|
|
6182 curwin->w_cursor = pos;
|
|
|
6183 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6184 * correct that here */
|
|
|
6185 check_cursor();
|
|
|
6186 }
|
|
|
6187 else
|
|
|
6188 retvar->var_val.var_number = 0;
|
|
|
6189 p_ws = save_p_ws;
|
|
|
6190 }
|
|
|
6191
|
|
|
6192 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6193 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6194 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6195
|
|
|
6196 /*
|
|
|
6197 * "searchpair()" function
|
|
|
6198 */
|
|
|
6199 static void
|
|
|
6200 f_searchpair(argvars, retvar)
|
|
|
6201 VAR argvars;
|
|
|
6202 VAR retvar;
|
|
|
6203 {
|
|
|
6204 char_u *spat, *mpat, *epat;
|
|
|
6205 char_u *skip;
|
|
|
6206 char_u *pat, *pat2, *pat3;
|
|
|
6207 pos_T pos;
|
|
|
6208 pos_T firstpos;
|
|
|
6209 pos_T save_cursor;
|
|
|
6210 pos_T save_pos;
|
|
|
6211 int save_p_ws = p_ws;
|
|
|
6212 char_u *save_cpo;
|
|
|
6213 int dir;
|
|
|
6214 int flags = 0;
|
|
|
6215 char_u nbuf1[NUMBUFLEN];
|
|
|
6216 char_u nbuf2[NUMBUFLEN];
|
|
|
6217 char_u nbuf3[NUMBUFLEN];
|
|
|
6218 int n;
|
|
|
6219 int r;
|
|
|
6220 int nest = 1;
|
|
|
6221 int err;
|
|
|
6222
|
|
|
6223 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6224
|
|
|
6225 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6226 save_cpo = p_cpo;
|
|
|
6227 p_cpo = (char_u *)"";
|
|
|
6228
|
|
|
6229 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6230 spat = get_var_string(&argvars[0]);
|
|
|
6231 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6232 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6233
|
|
|
6234 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6235 * start/middle/end (pat3, for the top pair). */
|
|
|
6236 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6237 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6238 if (pat2 == NULL || pat3 == NULL)
|
|
|
6239 goto theend;
|
|
|
6240 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6241 if (*mpat == NUL)
|
|
|
6242 STRCPY(pat3, pat2);
|
|
|
6243 else
|
|
|
6244 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6245 spat, epat, mpat);
|
|
|
6246
|
|
|
6247 /* Handle the optional fourth argument: flags */
|
|
|
6248 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
|
6249
|
|
|
6250 /* Optional fifth argument: skip expresion */
|
|
|
6251 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6252 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6253 skip = (char_u *)"";
|
|
|
6254 else
|
|
|
6255 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6256
|
|
|
6257 save_cursor = curwin->w_cursor;
|
|
|
6258 pos = curwin->w_cursor;
|
|
|
6259 firstpos.lnum = 0;
|
|
|
6260 pat = pat3;
|
|
|
6261 for (;;)
|
|
|
6262 {
|
|
|
6263 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6264 SEARCH_KEEP, RE_SEARCH);
|
|
|
6265 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6266 /* didn't find it or found the first match again: FAIL */
|
|
|
6267 break;
|
|
|
6268
|
|
|
6269 if (firstpos.lnum == 0)
|
|
|
6270 firstpos = pos;
|
|
|
6271
|
|
|
6272 /* If the skip pattern matches, ignore this match. */
|
|
|
6273 if (*skip != NUL)
|
|
|
6274 {
|
|
|
6275 save_pos = curwin->w_cursor;
|
|
|
6276 curwin->w_cursor = pos;
|
|
|
6277 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6278 curwin->w_cursor = save_pos;
|
|
|
6279 if (err)
|
|
|
6280 {
|
|
|
6281 /* Evaluating {skip} caused an error, break here. */
|
|
|
6282 curwin->w_cursor = save_cursor;
|
|
|
6283 retvar->var_val.var_number = -1;
|
|
|
6284 break;
|
|
|
6285 }
|
|
|
6286 if (r)
|
|
|
6287 continue;
|
|
|
6288 }
|
|
|
6289
|
|
|
6290 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6291 {
|
|
|
6292 /* Found end when searching backwards or start when searching
|
|
|
6293 * forward: nested pair. */
|
|
|
6294 ++nest;
|
|
|
6295 pat = pat2; /* nested, don't search for middle */
|
|
|
6296 }
|
|
|
6297 else
|
|
|
6298 {
|
|
|
6299 /* Found end when searching forward or start when searching
|
|
|
6300 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6301 if (--nest == 1)
|
|
|
6302 pat = pat3; /* outer level, search for middle */
|
|
|
6303 }
|
|
|
6304
|
|
|
6305 if (nest == 0)
|
|
|
6306 {
|
|
|
6307 /* Found the match: return matchcount or line number. */
|
|
|
6308 if (flags & SP_RETCOUNT)
|
|
|
6309 ++retvar->var_val.var_number;
|
|
|
6310 else
|
|
|
6311 retvar->var_val.var_number = pos.lnum;
|
|
|
6312 curwin->w_cursor = pos;
|
|
|
6313 if (!(flags & SP_REPEAT))
|
|
|
6314 break;
|
|
|
6315 nest = 1; /* search for next unmatched */
|
|
|
6316 }
|
|
|
6317 }
|
|
|
6318
|
|
|
6319 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6320 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6321 curwin->w_cursor = save_cursor;
|
|
|
6322
|
|
|
6323 theend:
|
|
|
6324 vim_free(pat2);
|
|
|
6325 vim_free(pat3);
|
|
|
6326 p_ws = save_p_ws;
|
|
|
6327 p_cpo = save_cpo;
|
|
|
6328 }
|
|
|
6329
|
|
|
6330 static int
|
|
|
6331 get_search_arg(varp, flagsp)
|
|
|
6332 VAR varp;
|
|
|
6333 int *flagsp;
|
|
|
6334 {
|
|
|
6335 int dir = FORWARD;
|
|
|
6336 char_u *flags;
|
|
|
6337 char_u nbuf[NUMBUFLEN];
|
|
|
6338
|
|
|
6339 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6340 {
|
|
|
6341 flags = get_var_string_buf(varp, nbuf);
|
|
|
6342 if (vim_strchr(flags, 'b') != NULL)
|
|
|
6343 dir = BACKWARD;
|
|
|
6344 if (vim_strchr(flags, 'w') != NULL)
|
|
|
6345 p_ws = TRUE;
|
|
|
6346 if (vim_strchr(flags, 'W') != NULL)
|
|
|
6347 p_ws = FALSE;
|
|
|
6348 if (flagsp != NULL)
|
|
|
6349 {
|
|
|
6350 if (vim_strchr(flags, 'n') != NULL)
|
|
|
6351 *flagsp |= SP_NOMOVE;
|
|
|
6352 if (vim_strchr(flags, 'r') != NULL)
|
|
|
6353 *flagsp |= SP_REPEAT;
|
|
|
6354 if (vim_strchr(flags, 'm') != NULL)
|
|
|
6355 *flagsp |= SP_RETCOUNT;
|
|
|
6356 }
|
|
|
6357 }
|
|
|
6358 return dir;
|
|
|
6359 }
|
|
|
6360
|
|
|
6361 /*
|
|
|
6362 * "setbufvar()" function
|
|
|
6363 */
|
|
|
6364 /*ARGSUSED*/
|
|
|
6365 static void
|
|
|
6366 f_setbufvar(argvars, retvar)
|
|
|
6367 VAR argvars;
|
|
|
6368 VAR retvar;
|
|
|
6369 {
|
|
|
6370 buf_T *buf;
|
|
|
6371 #ifdef FEAT_AUTOCMD
|
|
|
6372 aco_save_T aco;
|
|
|
6373 #else
|
|
|
6374 buf_T *save_curbuf;
|
|
|
6375 #endif
|
|
|
6376 char_u *varname, *bufvarname;
|
|
|
6377 VAR varp;
|
|
|
6378 char_u nbuf[NUMBUFLEN];
|
|
|
6379
|
|
|
6380 if (check_restricted() || check_secure())
|
|
|
6381 return;
|
|
|
6382 ++emsg_off;
|
|
|
6383 buf = get_buf_var(&argvars[0]);
|
|
|
6384 varname = get_var_string(&argvars[1]);
|
|
|
6385 varp = &argvars[2];
|
|
|
6386
|
|
|
6387 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6388 {
|
|
|
6389 /* set curbuf to be our buf, temporarily */
|
|
|
6390 #ifdef FEAT_AUTOCMD
|
|
|
6391 aucmd_prepbuf(&aco, buf);
|
|
|
6392 #else
|
|
|
6393 save_curbuf = curbuf;
|
|
|
6394 curbuf = buf;
|
|
|
6395 #endif
|
|
|
6396
|
|
|
6397 if (*varname == '&')
|
|
|
6398 {
|
|
|
6399 ++varname;
|
|
|
6400 set_option_value(varname, get_var_number(varp),
|
|
|
6401 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6402 }
|
|
|
6403 else
|
|
|
6404 {
|
|
|
6405 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6406 if (bufvarname != NULL)
|
|
|
6407 {
|
|
|
6408 STRCPY(bufvarname, "b:");
|
|
|
6409 STRCPY(bufvarname + 2, varname);
|
|
|
6410 set_var(bufvarname, varp);
|
|
|
6411 vim_free(bufvarname);
|
|
|
6412 }
|
|
|
6413 }
|
|
|
6414
|
|
|
6415 /* reset notion of buffer */
|
|
|
6416 #ifdef FEAT_AUTOCMD
|
|
|
6417 aucmd_restbuf(&aco);
|
|
|
6418 #else
|
|
|
6419 curbuf = save_curbuf;
|
|
|
6420 #endif
|
|
|
6421 }
|
|
|
6422 --emsg_off;
|
|
|
6423 }
|
|
|
6424
|
|
|
6425 /*
|
|
|
6426 * "setcmdpos()" function
|
|
|
6427 */
|
|
|
6428 static void
|
|
|
6429 f_setcmdpos(argvars, retvar)
|
|
|
6430 VAR argvars;
|
|
|
6431 VAR retvar;
|
|
|
6432 {
|
|
|
6433 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6434 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6435 }
|
|
|
6436
|
|
|
6437 /*
|
|
|
6438 * "setline()" function
|
|
|
6439 */
|
|
|
6440 static void
|
|
|
6441 f_setline(argvars, retvar)
|
|
|
6442 VAR argvars;
|
|
|
6443 VAR retvar;
|
|
|
6444 {
|
|
|
6445 linenr_T lnum;
|
|
|
6446 char_u *line;
|
|
|
6447
|
|
|
6448 lnum = get_var_lnum(argvars);
|
|
|
6449 line = get_var_string(&argvars[1]);
|
|
|
6450 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6451
|
|
|
6452 if (lnum >= 1
|
|
|
6453 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6454 && u_savesub(lnum) == OK
|
|
|
6455 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6456 {
|
|
|
6457 changed_bytes(lnum, 0);
|
|
|
6458 check_cursor_col();
|
|
|
6459 retvar->var_val.var_number = 0;
|
|
|
6460 }
|
|
|
6461 }
|
|
|
6462
|
|
|
6463 /*
|
|
|
6464 * "setreg()" function
|
|
|
6465 */
|
|
|
6466 static void
|
|
|
6467 f_setreg(argvars, retvar)
|
|
|
6468 VAR argvars;
|
|
|
6469 VAR retvar;
|
|
|
6470 {
|
|
|
6471 int regname;
|
|
|
6472 char_u *strregname;
|
|
|
6473 char_u *stropt;
|
|
|
6474 int append;
|
|
|
6475 char_u yank_type;
|
|
|
6476 long block_len;
|
|
|
6477
|
|
|
6478 block_len = -1;
|
|
|
6479 yank_type = MAUTO;
|
|
|
6480 append = FALSE;
|
|
|
6481
|
|
|
6482 strregname = get_var_string(argvars);
|
|
|
6483 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6484
|
|
|
6485 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6486 if (regname == 0 || regname == '@')
|
|
|
6487 regname = '"';
|
|
|
6488 else if (regname == '=')
|
|
|
6489 return;
|
|
|
6490
|
|
|
6491 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6492 {
|
|
|
6493 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6494 switch (*stropt)
|
|
|
6495 {
|
|
|
6496 case 'a': case 'A': /* append */
|
|
|
6497 append = TRUE;
|
|
|
6498 break;
|
|
|
6499 case 'v': case 'c': /* character-wise selection */
|
|
|
6500 yank_type = MCHAR;
|
|
|
6501 break;
|
|
|
6502 case 'V': case 'l': /* line-wise selection */
|
|
|
6503 yank_type = MLINE;
|
|
|
6504 break;
|
|
|
6505 #ifdef FEAT_VISUAL
|
|
|
6506 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6507 yank_type = MBLOCK;
|
|
|
6508 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6509 {
|
|
|
6510 ++stropt;
|
|
|
6511 block_len = getdigits(&stropt) - 1;
|
|
|
6512 --stropt;
|
|
|
6513 }
|
|
|
6514 break;
|
|
|
6515 #endif
|
|
|
6516 }
|
|
|
6517 }
|
|
|
6518
|
|
|
6519 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6520 append, yank_type, block_len);
|
|
|
6521 retvar->var_val.var_number = 0;
|
|
|
6522 }
|
|
|
6523
|
|
|
6524
|
|
|
6525 /*
|
|
|
6526 * "setwinvar(expr)" function
|
|
|
6527 */
|
|
|
6528 /*ARGSUSED*/
|
|
|
6529 static void
|
|
|
6530 f_setwinvar(argvars, retvar)
|
|
|
6531 VAR argvars;
|
|
|
6532 VAR retvar;
|
|
|
6533 {
|
|
|
6534 win_T *win;
|
|
|
6535 #ifdef FEAT_WINDOWS
|
|
|
6536 win_T *save_curwin;
|
|
|
6537 #endif
|
|
|
6538 char_u *varname, *winvarname;
|
|
|
6539 VAR varp;
|
|
|
6540 char_u nbuf[NUMBUFLEN];
|
|
|
6541
|
|
|
6542 if (check_restricted() || check_secure())
|
|
|
6543 return;
|
|
|
6544 ++emsg_off;
|
|
|
6545 win = find_win_by_nr(&argvars[0]);
|
|
|
6546 varname = get_var_string(&argvars[1]);
|
|
|
6547 varp = &argvars[2];
|
|
|
6548
|
|
|
6549 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6550 {
|
|
|
6551 #ifdef FEAT_WINDOWS
|
|
|
6552 /* set curwin to be our win, temporarily */
|
|
|
6553 save_curwin = curwin;
|
|
|
6554 curwin = win;
|
|
|
6555 curbuf = curwin->w_buffer;
|
|
|
6556 #endif
|
|
|
6557
|
|
|
6558 if (*varname == '&')
|
|
|
6559 {
|
|
|
6560 ++varname;
|
|
|
6561 set_option_value(varname, get_var_number(varp),
|
|
|
6562 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6563 }
|
|
|
6564 else
|
|
|
6565 {
|
|
|
6566 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6567 if (winvarname != NULL)
|
|
|
6568 {
|
|
|
6569 STRCPY(winvarname, "w:");
|
|
|
6570 STRCPY(winvarname + 2, varname);
|
|
|
6571 set_var(winvarname, varp);
|
|
|
6572 vim_free(winvarname);
|
|
|
6573 }
|
|
|
6574 }
|
|
|
6575
|
|
|
6576 #ifdef FEAT_WINDOWS
|
|
|
6577 /* Restore current window, if it's still valid (autocomands can make
|
|
|
6578 * it invalid). */
|
|
|
6579 if (win_valid(save_curwin))
|
|
|
6580 {
|
|
|
6581 curwin = save_curwin;
|
|
|
6582 curbuf = curwin->w_buffer;
|
|
|
6583 }
|
|
|
6584 #endif
|
|
|
6585 }
|
|
|
6586 --emsg_off;
|
|
|
6587 }
|
|
|
6588
|
|
|
6589 /*
|
|
|
6590 * "nextnonblank()" function
|
|
|
6591 */
|
|
|
6592 static void
|
|
|
6593 f_nextnonblank(argvars, retvar)
|
|
|
6594 VAR argvars;
|
|
|
6595 VAR retvar;
|
|
|
6596 {
|
|
|
6597 linenr_T lnum;
|
|
|
6598
|
|
|
6599 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
6600 {
|
|
|
6601 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
6602 {
|
|
|
6603 lnum = 0;
|
|
|
6604 break;
|
|
|
6605 }
|
|
|
6606 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
6607 break;
|
|
|
6608 }
|
|
|
6609 retvar->var_val.var_number = lnum;
|
|
|
6610 }
|
|
|
6611
|
|
|
6612 /*
|
|
|
6613 * "prevnonblank()" function
|
|
|
6614 */
|
|
|
6615 static void
|
|
|
6616 f_prevnonblank(argvars, retvar)
|
|
|
6617 VAR argvars;
|
|
|
6618 VAR retvar;
|
|
|
6619 {
|
|
|
6620 linenr_T lnum;
|
|
|
6621
|
|
|
6622 lnum = get_var_lnum(argvars);
|
|
|
6623 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
6624 lnum = 0;
|
|
|
6625 else
|
|
|
6626 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
6627 --lnum;
|
|
|
6628 retvar->var_val.var_number = lnum;
|
|
|
6629 }
|
|
|
6630
|
|
|
6631 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
6632 static void make_connection __ARGS((void));
|
|
|
6633 static int check_connection __ARGS((void));
|
|
|
6634
|
|
|
6635 static void
|
|
|
6636 make_connection()
|
|
|
6637 {
|
|
|
6638 if (X_DISPLAY == NULL
|
|
|
6639 # ifdef FEAT_GUI
|
|
|
6640 && !gui.in_use
|
|
|
6641 # endif
|
|
|
6642 )
|
|
|
6643 {
|
|
|
6644 x_force_connect = TRUE;
|
|
|
6645 setup_term_clip();
|
|
|
6646 x_force_connect = FALSE;
|
|
|
6647 }
|
|
|
6648 }
|
|
|
6649
|
|
|
6650 static int
|
|
|
6651 check_connection()
|
|
|
6652 {
|
|
|
6653 make_connection();
|
|
|
6654 if (X_DISPLAY == NULL)
|
|
|
6655 {
|
|
|
6656 EMSG(_("E240: No connection to Vim server"));
|
|
|
6657 return FAIL;
|
|
|
6658 }
|
|
|
6659 return OK;
|
|
|
6660 }
|
|
|
6661 #endif
|
|
|
6662
|
|
|
6663 /*ARGSUSED*/
|
|
|
6664 static void
|
|
|
6665 f_serverlist(argvars, retvar)
|
|
|
6666 VAR argvars;
|
|
|
6667 VAR retvar;
|
|
|
6668 {
|
|
|
6669 char_u *r = NULL;
|
|
|
6670
|
|
|
6671 #ifdef FEAT_CLIENTSERVER
|
|
|
6672 # ifdef WIN32
|
|
|
6673 r = serverGetVimNames();
|
|
|
6674 # else
|
|
|
6675 make_connection();
|
|
|
6676 if (X_DISPLAY != NULL)
|
|
|
6677 r = serverGetVimNames(X_DISPLAY);
|
|
|
6678 # endif
|
|
|
6679 #endif
|
|
|
6680 retvar->var_type = VAR_STRING;
|
|
|
6681 retvar->var_val.var_string = r;
|
|
|
6682 }
|
|
|
6683
|
|
|
6684 /*ARGSUSED*/
|
|
|
6685 static void
|
|
|
6686 f_remote_peek(argvars, retvar)
|
|
|
6687 VAR argvars;
|
|
|
6688 VAR retvar;
|
|
|
6689 {
|
|
|
6690 #ifdef FEAT_CLIENTSERVER
|
|
|
6691 var v;
|
|
|
6692 char_u *s = NULL;
|
|
|
6693 # ifdef WIN32
|
|
|
6694 int n = 0;
|
|
|
6695 # endif
|
|
|
6696
|
|
|
6697 if (check_restricted() || check_secure())
|
|
|
6698 {
|
|
|
6699 retvar->var_val.var_number = -1;
|
|
|
6700 return;
|
|
|
6701 }
|
|
|
6702 # ifdef WIN32
|
|
|
6703 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6704 if (n == 0)
|
|
|
6705 retvar->var_val.var_number = -1;
|
|
|
6706 else
|
|
|
6707 {
|
|
|
6708 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
6709 retvar->var_val.var_number = (s != NULL);
|
|
|
6710 }
|
|
|
6711 # else
|
|
|
6712 retvar->var_val.var_number = 0;
|
|
|
6713 if (check_connection() == FAIL)
|
|
|
6714 return;
|
|
|
6715
|
|
|
6716 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
6717 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
6718 # endif
|
|
|
6719
|
|
|
6720 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
6721 {
|
|
|
6722 v.var_type = VAR_STRING;
|
|
|
6723 v.var_val.var_string = vim_strsave(s);
|
|
|
6724 set_var(get_var_string(&argvars[1]), &v);
|
|
|
6725 }
|
|
|
6726 #else
|
|
|
6727 retvar->var_val.var_number = -1;
|
|
|
6728 #endif
|
|
|
6729 }
|
|
|
6730
|
|
|
6731 /*ARGSUSED*/
|
|
|
6732 static void
|
|
|
6733 f_remote_read(argvars, retvar)
|
|
|
6734 VAR argvars;
|
|
|
6735 VAR retvar;
|
|
|
6736 {
|
|
|
6737 char_u *r = NULL;
|
|
|
6738
|
|
|
6739 #ifdef FEAT_CLIENTSERVER
|
|
|
6740 if (!check_restricted() && !check_secure())
|
|
|
6741 {
|
|
|
6742 # ifdef WIN32
|
|
|
6743 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
6744 int n = 0;
|
|
|
6745
|
|
|
6746 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6747 if (n != 0)
|
|
|
6748 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
6749 if (r == NULL)
|
|
|
6750 # else
|
|
|
6751 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
6752 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
6753 # endif
|
|
|
6754 EMSG(_("E277: Unable to read a server reply"));
|
|
|
6755 }
|
|
|
6756 #endif
|
|
|
6757 retvar->var_type = VAR_STRING;
|
|
|
6758 retvar->var_val.var_string = r;
|
|
|
6759 }
|
|
|
6760
|
|
|
6761 /*ARGSUSED*/
|
|
|
6762 static void
|
|
|
6763 f_server2client(argvars, retvar)
|
|
|
6764 VAR argvars;
|
|
|
6765 VAR retvar;
|
|
|
6766 {
|
|
|
6767 #ifdef FEAT_CLIENTSERVER
|
|
|
6768 char_u buf[NUMBUFLEN];
|
|
|
6769 char_u *server = get_var_string(&argvars[0]);
|
|
|
6770 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
6771
|
|
|
6772 retvar->var_val.var_number = -1;
|
|
|
6773 if (check_restricted() || check_secure())
|
|
|
6774 return;
|
|
|
6775 # ifdef FEAT_X11
|
|
|
6776 if (check_connection() == FAIL)
|
|
|
6777 return;
|
|
|
6778 # endif
|
|
|
6779
|
|
|
6780 if (serverSendReply(server, reply) < 0)
|
|
|
6781 {
|
|
|
6782 EMSG(_("E258: Unable to send to client"));
|
|
|
6783 return;
|
|
|
6784 }
|
|
|
6785 retvar->var_val.var_number = 0;
|
|
|
6786 #else
|
|
|
6787 retvar->var_val.var_number = -1;
|
|
|
6788 #endif
|
|
|
6789 }
|
|
|
6790
|
|
|
6791 #ifdef FEAT_CLIENTSERVER
|
|
|
6792 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
6793
|
|
|
6794 static void
|
|
|
6795 remote_common(argvars, retvar, expr)
|
|
|
6796 VAR argvars;
|
|
|
6797 VAR retvar;
|
|
|
6798 int expr;
|
|
|
6799 {
|
|
|
6800 char_u *server_name;
|
|
|
6801 char_u *keys;
|
|
|
6802 char_u *r = NULL;
|
|
|
6803 char_u buf[NUMBUFLEN];
|
|
|
6804 # ifdef WIN32
|
|
|
6805 HWND w;
|
|
|
6806 # else
|
|
|
6807 Window w;
|
|
|
6808 # endif
|
|
|
6809
|
|
|
6810 if (check_restricted() || check_secure())
|
|
|
6811 return;
|
|
|
6812
|
|
|
6813 # ifdef FEAT_X11
|
|
|
6814 if (check_connection() == FAIL)
|
|
|
6815 return;
|
|
|
6816 # endif
|
|
|
6817
|
|
|
6818 server_name = get_var_string(&argvars[0]);
|
|
|
6819 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
6820 # ifdef WIN32
|
|
|
6821 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
6822 # else
|
|
|
6823 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
6824 < 0)
|
|
|
6825 # endif
|
|
|
6826 {
|
|
|
6827 if (r != NULL)
|
|
|
6828 EMSG(r); /* sending worked but evaluation failed */
|
|
|
6829 else
|
|
|
6830 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
6831 return;
|
|
|
6832 }
|
|
|
6833
|
|
|
6834 retvar->var_val.var_string = r;
|
|
|
6835
|
|
|
6836 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6837 {
|
|
|
6838 var v;
|
|
|
6839 char_u str[30];
|
|
|
6840
|
|
|
6841 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
6842 v.var_type = VAR_STRING;
|
|
|
6843 v.var_val.var_string = vim_strsave(str);
|
|
|
6844 set_var(get_var_string(&argvars[2]), &v);
|
|
|
6845 }
|
|
|
6846 }
|
|
|
6847 #endif
|
|
|
6848
|
|
|
6849 /*
|
|
|
6850 * "remote_expr()" function
|
|
|
6851 */
|
|
|
6852 /*ARGSUSED*/
|
|
|
6853 static void
|
|
|
6854 f_remote_expr(argvars, retvar)
|
|
|
6855 VAR argvars;
|
|
|
6856 VAR retvar;
|
|
|
6857 {
|
|
|
6858 retvar->var_type = VAR_STRING;
|
|
|
6859 retvar->var_val.var_string = NULL;
|
|
|
6860 #ifdef FEAT_CLIENTSERVER
|
|
|
6861 remote_common(argvars, retvar, TRUE);
|
|
|
6862 #endif
|
|
|
6863 }
|
|
|
6864
|
|
|
6865 /*
|
|
|
6866 * "remote_send()" function
|
|
|
6867 */
|
|
|
6868 /*ARGSUSED*/
|
|
|
6869 static void
|
|
|
6870 f_remote_send(argvars, retvar)
|
|
|
6871 VAR argvars;
|
|
|
6872 VAR retvar;
|
|
|
6873 {
|
|
|
6874 retvar->var_type = VAR_STRING;
|
|
|
6875 retvar->var_val.var_string = NULL;
|
|
|
6876 #ifdef FEAT_CLIENTSERVER
|
|
|
6877 remote_common(argvars, retvar, FALSE);
|
|
|
6878 #endif
|
|
|
6879 }
|
|
|
6880
|
|
|
6881 /*
|
|
|
6882 * "remote_foreground()" function
|
|
|
6883 */
|
|
|
6884 /*ARGSUSED*/
|
|
|
6885 static void
|
|
|
6886 f_remote_foreground(argvars, retvar)
|
|
|
6887 VAR argvars;
|
|
|
6888 VAR retvar;
|
|
|
6889 {
|
|
|
6890 retvar->var_val.var_number = 0;
|
|
|
6891 #ifdef FEAT_CLIENTSERVER
|
|
|
6892 # ifdef WIN32
|
|
|
6893 /* On Win32 it's done in this application. */
|
|
|
6894 serverForeground(get_var_string(&argvars[0]));
|
|
|
6895 # else
|
|
|
6896 /* Send a foreground() expression to the server. */
|
|
|
6897 argvars[1].var_type = VAR_STRING;
|
|
|
6898 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
6899 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
6900 remote_common(argvars, retvar, TRUE);
|
|
|
6901 vim_free(argvars[1].var_val.var_string);
|
|
|
6902 # endif
|
|
|
6903 #endif
|
|
|
6904 }
|
|
|
6905
|
|
|
6906 #ifdef HAVE_STRFTIME
|
|
|
6907 /*
|
|
|
6908 * "strftime({format}[, {time}])" function
|
|
|
6909 */
|
|
|
6910 static void
|
|
|
6911 f_strftime(argvars, retvar)
|
|
|
6912 VAR argvars;
|
|
|
6913 VAR retvar;
|
|
|
6914 {
|
|
|
6915 char_u result_buf[256];
|
|
|
6916 struct tm *curtime;
|
|
|
6917 time_t seconds;
|
|
|
6918 char_u *p;
|
|
|
6919
|
|
|
6920 retvar->var_type = VAR_STRING;
|
|
|
6921
|
|
|
6922 p = get_var_string(&argvars[0]);
|
|
|
6923 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
6924 seconds = time(NULL);
|
|
|
6925 else
|
|
|
6926 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
6927 curtime = localtime(&seconds);
|
|
|
6928 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
6929 if (curtime == NULL)
|
|
|
6930 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
6931 else
|
|
|
6932 {
|
|
|
6933 # ifdef FEAT_MBYTE
|
|
|
6934 vimconv_T conv;
|
|
|
6935 char_u *enc;
|
|
|
6936
|
|
|
6937 conv.vc_type = CONV_NONE;
|
|
|
6938 enc = enc_locale();
|
|
|
6939 convert_setup(&conv, p_enc, enc);
|
|
|
6940 if (conv.vc_type != CONV_NONE)
|
|
|
6941 p = string_convert(&conv, p, NULL);
|
|
|
6942 # endif
|
|
|
6943 if (p != NULL)
|
|
|
6944 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
6945 (char *)p, curtime);
|
|
|
6946 else
|
|
|
6947 result_buf[0] = NUL;
|
|
|
6948
|
|
|
6949 # ifdef FEAT_MBYTE
|
|
|
6950 if (conv.vc_type != CONV_NONE)
|
|
|
6951 vim_free(p);
|
|
|
6952 convert_setup(&conv, enc, p_enc);
|
|
|
6953 if (conv.vc_type != CONV_NONE)
|
|
|
6954 retvar->var_val.var_string =
|
|
|
6955 string_convert(&conv, result_buf, NULL);
|
|
|
6956 else
|
|
|
6957 # endif
|
|
|
6958 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
6959
|
|
|
6960 # ifdef FEAT_MBYTE
|
|
|
6961 /* Release conversion descriptors */
|
|
|
6962 convert_setup(&conv, NULL, NULL);
|
|
|
6963 vim_free(enc);
|
|
|
6964 # endif
|
|
|
6965 }
|
|
|
6966 }
|
|
|
6967 #endif
|
|
|
6968
|
|
|
6969 /*
|
|
|
6970 * "stridx()" function
|
|
|
6971 */
|
|
|
6972 static void
|
|
|
6973 f_stridx(argvars, retvar)
|
|
|
6974 VAR argvars;
|
|
|
6975 VAR retvar;
|
|
|
6976 {
|
|
|
6977 char_u buf[NUMBUFLEN];
|
|
|
6978 char_u *needle;
|
|
|
6979 char_u *haystack;
|
|
|
6980 char_u *pos;
|
|
|
6981
|
|
|
6982 needle = get_var_string(&argvars[1]);
|
|
|
6983 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
6984 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
6985
|
|
|
6986 if (pos == NULL)
|
|
|
6987 retvar->var_val.var_number = -1;
|
|
|
6988 else
|
|
|
6989 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
6990 }
|
|
|
6991
|
|
|
6992 /*
|
|
|
6993 * "strridx()" function
|
|
|
6994 */
|
|
|
6995 static void
|
|
|
6996 f_strridx(argvars, retvar)
|
|
|
6997 VAR argvars;
|
|
|
6998 VAR retvar;
|
|
|
6999 {
|
|
|
7000 char_u buf[NUMBUFLEN];
|
|
|
7001 char_u *needle;
|
|
|
7002 char_u *haystack;
|
|
|
7003 char_u *rest;
|
|
|
7004 char_u *lastmatch = NULL;
|
|
|
7005
|
|
|
7006 needle = get_var_string(&argvars[1]);
|
|
|
7007 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7008 rest = haystack;
|
|
|
7009 while (*haystack != '\0')
|
|
|
7010 {
|
|
|
7011 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
7012 if (rest == NULL)
|
|
|
7013 break;
|
|
|
7014 lastmatch = rest++;
|
|
|
7015 }
|
|
|
7016
|
|
|
7017 if (lastmatch == NULL)
|
|
|
7018 retvar->var_val.var_number = -1;
|
|
|
7019 else
|
|
|
7020 retvar->var_val.var_number = (varnumber_T) (lastmatch - haystack);
|
|
|
7021 }
|
|
|
7022
|
|
|
7023 /*
|
|
|
7024 * "strlen()" function
|
|
|
7025 */
|
|
|
7026 static void
|
|
|
7027 f_strlen(argvars, retvar)
|
|
|
7028 VAR argvars;
|
|
|
7029 VAR retvar;
|
|
|
7030 {
|
|
|
7031 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7032 }
|
|
|
7033
|
|
|
7034 /*
|
|
|
7035 * "strpart()" function
|
|
|
7036 */
|
|
|
7037 static void
|
|
|
7038 f_strpart(argvars, retvar)
|
|
|
7039 VAR argvars;
|
|
|
7040 VAR retvar;
|
|
|
7041 {
|
|
|
7042 char_u *p;
|
|
|
7043 int n;
|
|
|
7044 int len;
|
|
|
7045 int slen;
|
|
|
7046
|
|
|
7047 p = get_var_string(&argvars[0]);
|
|
|
7048 slen = (int)STRLEN(p);
|
|
|
7049
|
|
|
7050 n = get_var_number(&argvars[1]);
|
|
|
7051 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7052 len = get_var_number(&argvars[2]);
|
|
|
7053 else
|
|
|
7054 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7055
|
|
|
7056 /*
|
|
|
7057 * Only return the overlap between the specified part and the actual
|
|
|
7058 * string.
|
|
|
7059 */
|
|
|
7060 if (n < 0)
|
|
|
7061 {
|
|
|
7062 len += n;
|
|
|
7063 n = 0;
|
|
|
7064 }
|
|
|
7065 else if (n > slen)
|
|
|
7066 n = slen;
|
|
|
7067 if (len < 0)
|
|
|
7068 len = 0;
|
|
|
7069 else if (n + len > slen)
|
|
|
7070 len = slen - n;
|
|
|
7071
|
|
|
7072 retvar->var_type = VAR_STRING;
|
|
|
7073 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7074 }
|
|
|
7075
|
|
|
7076 /*
|
|
|
7077 * "strtrans()" function
|
|
|
7078 */
|
|
|
7079 static void
|
|
|
7080 f_strtrans(argvars, retvar)
|
|
|
7081 VAR argvars;
|
|
|
7082 VAR retvar;
|
|
|
7083 {
|
|
|
7084 retvar->var_type = VAR_STRING;
|
|
|
7085 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7086 }
|
|
|
7087
|
|
|
7088 /*
|
|
|
7089 * "synID(line, col, trans)" function
|
|
|
7090 */
|
|
|
7091 /*ARGSUSED*/
|
|
|
7092 static void
|
|
|
7093 f_synID(argvars, retvar)
|
|
|
7094 VAR argvars;
|
|
|
7095 VAR retvar;
|
|
|
7096 {
|
|
|
7097 int id = 0;
|
|
|
7098 #ifdef FEAT_SYN_HL
|
|
|
7099 long line;
|
|
|
7100 long col;
|
|
|
7101 int trans;
|
|
|
7102
|
|
|
7103 line = get_var_lnum(argvars);
|
|
|
7104 col = get_var_number(&argvars[1]) - 1;
|
|
|
7105 trans = get_var_number(&argvars[2]);
|
|
|
7106
|
|
|
7107 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7108 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7109 id = syn_get_id(line, col, trans);
|
|
|
7110 #endif
|
|
|
7111
|
|
|
7112 retvar->var_val.var_number = id;
|
|
|
7113 }
|
|
|
7114
|
|
|
7115 /*
|
|
|
7116 * "synIDattr(id, what [, mode])" function
|
|
|
7117 */
|
|
|
7118 /*ARGSUSED*/
|
|
|
7119 static void
|
|
|
7120 f_synIDattr(argvars, retvar)
|
|
|
7121 VAR argvars;
|
|
|
7122 VAR retvar;
|
|
|
7123 {
|
|
|
7124 char_u *p = NULL;
|
|
|
7125 #ifdef FEAT_SYN_HL
|
|
|
7126 int id;
|
|
|
7127 char_u *what;
|
|
|
7128 char_u *mode;
|
|
|
7129 char_u modebuf[NUMBUFLEN];
|
|
|
7130 int modec;
|
|
|
7131
|
|
|
7132 id = get_var_number(&argvars[0]);
|
|
|
7133 what = get_var_string(&argvars[1]);
|
|
|
7134 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7135 {
|
|
|
7136 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7137 modec = TOLOWER_ASC(mode[0]);
|
|
|
7138 if (modec != 't' && modec != 'c'
|
|
|
7139 #ifdef FEAT_GUI
|
|
|
7140 && modec != 'g'
|
|
|
7141 #endif
|
|
|
7142 )
|
|
|
7143 modec = 0; /* replace invalid with current */
|
|
|
7144 }
|
|
|
7145 else
|
|
|
7146 {
|
|
|
7147 #ifdef FEAT_GUI
|
|
|
7148 if (gui.in_use)
|
|
|
7149 modec = 'g';
|
|
|
7150 else
|
|
|
7151 #endif
|
|
|
7152 if (t_colors > 1)
|
|
|
7153 modec = 'c';
|
|
|
7154 else
|
|
|
7155 modec = 't';
|
|
|
7156 }
|
|
|
7157
|
|
|
7158
|
|
|
7159 switch (TOLOWER_ASC(what[0]))
|
|
|
7160 {
|
|
|
7161 case 'b':
|
|
|
7162 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7163 p = highlight_color(id, what, modec);
|
|
|
7164 else /* bold */
|
|
|
7165 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7166 break;
|
|
|
7167
|
|
|
7168 case 'f': /* fg[#] */
|
|
|
7169 p = highlight_color(id, what, modec);
|
|
|
7170 break;
|
|
|
7171
|
|
|
7172 case 'i':
|
|
|
7173 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7174 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7175 else /* italic */
|
|
|
7176 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7177 break;
|
|
|
7178
|
|
|
7179 case 'n': /* name */
|
|
|
7180 p = get_highlight_name(NULL, id - 1);
|
|
|
7181 break;
|
|
|
7182
|
|
|
7183 case 'r': /* reverse */
|
|
|
7184 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7185 break;
|
|
|
7186
|
|
|
7187 case 's': /* standout */
|
|
|
7188 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7189 break;
|
|
|
7190
|
|
|
7191 case 'u': /* underline */
|
|
|
7192 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7193 break;
|
|
|
7194 }
|
|
|
7195
|
|
|
7196 if (p != NULL)
|
|
|
7197 p = vim_strsave(p);
|
|
|
7198 #endif
|
|
|
7199 retvar->var_type = VAR_STRING;
|
|
|
7200 retvar->var_val.var_string = p;
|
|
|
7201 }
|
|
|
7202
|
|
|
7203 /*
|
|
|
7204 * "synIDtrans(id)" function
|
|
|
7205 */
|
|
|
7206 /*ARGSUSED*/
|
|
|
7207 static void
|
|
|
7208 f_synIDtrans(argvars, retvar)
|
|
|
7209 VAR argvars;
|
|
|
7210 VAR retvar;
|
|
|
7211 {
|
|
|
7212 int id;
|
|
|
7213
|
|
|
7214 #ifdef FEAT_SYN_HL
|
|
|
7215 id = get_var_number(&argvars[0]);
|
|
|
7216
|
|
|
7217 if (id > 0)
|
|
|
7218 id = syn_get_final_id(id);
|
|
|
7219 else
|
|
|
7220 #endif
|
|
|
7221 id = 0;
|
|
|
7222
|
|
|
7223 retvar->var_val.var_number = id;
|
|
|
7224 }
|
|
|
7225
|
|
|
7226 /*
|
|
|
7227 * "system()" function
|
|
|
7228 */
|
|
|
7229 static void
|
|
|
7230 f_system(argvars, retvar)
|
|
|
7231 VAR argvars;
|
|
|
7232 VAR retvar;
|
|
|
7233 {
|
|
|
7234 char_u *p;
|
|
|
7235
|
|
|
7236 p = get_cmd_output(get_var_string(&argvars[0]), SHELL_SILENT);
|
|
|
7237 #ifdef USE_CR
|
|
|
7238 /* translate <CR> into <NL> */
|
|
|
7239 if (p != NULL)
|
|
|
7240 {
|
|
|
7241 char_u *s;
|
|
|
7242
|
|
|
7243 for (s = p; *s; ++s)
|
|
|
7244 {
|
|
|
7245 if (*s == CAR)
|
|
|
7246 *s = NL;
|
|
|
7247 }
|
|
|
7248 }
|
|
|
7249 #else
|
|
|
7250 # ifdef USE_CRNL
|
|
|
7251 /* translate <CR><NL> into <NL> */
|
|
|
7252 if (p != NULL)
|
|
|
7253 {
|
|
|
7254 char_u *s, *d;
|
|
|
7255
|
|
|
7256 d = p;
|
|
|
7257 for (s = p; *s; ++s)
|
|
|
7258 {
|
|
|
7259 if (s[0] == CAR && s[1] == NL)
|
|
|
7260 ++s;
|
|
|
7261 *d++ = *s;
|
|
|
7262 }
|
|
|
7263 *d = NUL;
|
|
|
7264 }
|
|
|
7265 # endif
|
|
|
7266 #endif
|
|
|
7267 retvar->var_type = VAR_STRING;
|
|
|
7268 retvar->var_val.var_string = p;
|
|
|
7269 }
|
|
|
7270
|
|
|
7271 /*
|
|
|
7272 * "submatch()" function
|
|
|
7273 */
|
|
|
7274 static void
|
|
|
7275 f_submatch(argvars, retvar)
|
|
|
7276 VAR argvars;
|
|
|
7277 VAR retvar;
|
|
|
7278 {
|
|
|
7279 retvar->var_type = VAR_STRING;
|
|
|
7280 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7281 }
|
|
|
7282
|
|
|
7283 /*
|
|
|
7284 * "substitute()" function
|
|
|
7285 */
|
|
|
7286 static void
|
|
|
7287 f_substitute(argvars, retvar)
|
|
|
7288 VAR argvars;
|
|
|
7289 VAR retvar;
|
|
|
7290 {
|
|
|
7291 char_u patbuf[NUMBUFLEN];
|
|
|
7292 char_u subbuf[NUMBUFLEN];
|
|
|
7293 char_u flagsbuf[NUMBUFLEN];
|
|
|
7294
|
|
|
7295 retvar->var_type = VAR_STRING;
|
|
|
7296 retvar->var_val.var_string = do_string_sub(
|
|
|
7297 get_var_string(&argvars[0]),
|
|
|
7298 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7299 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7300 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7301 }
|
|
|
7302
|
|
|
7303 /*
|
|
|
7304 * "tempname()" function
|
|
|
7305 */
|
|
|
7306 /*ARGSUSED*/
|
|
|
7307 static void
|
|
|
7308 f_tempname(argvars, retvar)
|
|
|
7309 VAR argvars;
|
|
|
7310 VAR retvar;
|
|
|
7311 {
|
|
|
7312 static int x = 'A';
|
|
|
7313
|
|
|
7314 retvar->var_type = VAR_STRING;
|
|
|
7315 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7316
|
|
|
7317 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7318 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7319 do
|
|
|
7320 {
|
|
|
7321 if (x == 'Z')
|
|
|
7322 x = '0';
|
|
|
7323 else if (x == '9')
|
|
|
7324 x = 'A';
|
|
|
7325 else
|
|
|
7326 {
|
|
|
7327 #ifdef EBCDIC
|
|
|
7328 if (x == 'I')
|
|
|
7329 x = 'J';
|
|
|
7330 else if (x == 'R')
|
|
|
7331 x = 'S';
|
|
|
7332 else
|
|
|
7333 #endif
|
|
|
7334 ++x;
|
|
|
7335 }
|
|
|
7336 } while (x == 'I' || x == 'O');
|
|
|
7337 }
|
|
|
7338
|
|
|
7339 /*
|
|
|
7340 * "tolower(string)" function
|
|
|
7341 */
|
|
|
7342 static void
|
|
|
7343 f_tolower(argvars, retvar)
|
|
|
7344 VAR argvars;
|
|
|
7345 VAR retvar;
|
|
|
7346 {
|
|
|
7347 char_u *p;
|
|
|
7348
|
|
|
7349 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7350 retvar->var_type = VAR_STRING;
|
|
|
7351 retvar->var_val.var_string = p;
|
|
|
7352
|
|
|
7353 if (p != NULL)
|
|
|
7354 while (*p != NUL)
|
|
|
7355 {
|
|
|
7356 #ifdef FEAT_MBYTE
|
|
|
7357 int l;
|
|
|
7358
|
|
|
7359 if (enc_utf8)
|
|
|
7360 {
|
|
|
7361 int c, lc;
|
|
|
7362
|
|
|
7363 c = utf_ptr2char(p);
|
|
|
7364 lc = utf_tolower(c);
|
|
|
7365 l = utf_ptr2len_check(p);
|
|
|
7366 /* TODO: reallocate string when byte count changes. */
|
|
|
7367 if (utf_char2len(lc) == l)
|
|
|
7368 utf_char2bytes(lc, p);
|
|
|
7369 p += l;
|
|
|
7370 }
|
|
|
7371 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7372 p += l; /* skip multi-byte character */
|
|
|
7373 else
|
|
|
7374 #endif
|
|
|
7375 {
|
|
|
7376 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7377 ++p;
|
|
|
7378 }
|
|
|
7379 }
|
|
|
7380 }
|
|
|
7381
|
|
|
7382 /*
|
|
|
7383 * "toupper(string)" function
|
|
|
7384 */
|
|
|
7385 static void
|
|
|
7386 f_toupper(argvars, retvar)
|
|
|
7387 VAR argvars;
|
|
|
7388 VAR retvar;
|
|
|
7389 {
|
|
|
7390 char_u *p;
|
|
|
7391
|
|
|
7392 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7393 retvar->var_type = VAR_STRING;
|
|
|
7394 retvar->var_val.var_string = p;
|
|
|
7395
|
|
|
7396 if (p != NULL)
|
|
|
7397 while (*p != NUL)
|
|
|
7398 {
|
|
|
7399 #ifdef FEAT_MBYTE
|
|
|
7400 int l;
|
|
|
7401
|
|
|
7402 if (enc_utf8)
|
|
|
7403 {
|
|
|
7404 int c, uc;
|
|
|
7405
|
|
|
7406 c = utf_ptr2char(p);
|
|
|
7407 uc = utf_toupper(c);
|
|
|
7408 l = utf_ptr2len_check(p);
|
|
|
7409 /* TODO: reallocate string when byte count changes. */
|
|
|
7410 if (utf_char2len(uc) == l)
|
|
|
7411 utf_char2bytes(uc, p);
|
|
|
7412 p += l;
|
|
|
7413 }
|
|
|
7414 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7415 p += l; /* skip multi-byte character */
|
|
|
7416 else
|
|
|
7417 #endif
|
|
|
7418 {
|
|
|
7419 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7420 p++;
|
|
|
7421 }
|
|
|
7422 }
|
|
|
7423 }
|
|
|
7424
|
|
|
7425 /*
|
|
|
7426 * "type(expr)" function
|
|
|
7427 */
|
|
|
7428 static void
|
|
|
7429 f_type(argvars, retvar)
|
|
|
7430 VAR argvars;
|
|
|
7431 VAR retvar;
|
|
|
7432 {
|
|
|
7433 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
7434 retvar->var_val.var_number = 0;
|
|
|
7435 else
|
|
|
7436 retvar->var_val.var_number = 1;
|
|
|
7437 }
|
|
|
7438
|
|
|
7439 /*
|
|
|
7440 * "virtcol(string)" function
|
|
|
7441 */
|
|
|
7442 static void
|
|
|
7443 f_virtcol(argvars, retvar)
|
|
|
7444 VAR argvars;
|
|
|
7445 VAR retvar;
|
|
|
7446 {
|
|
|
7447 colnr_T vcol = 0;
|
|
|
7448 pos_T *fp;
|
|
|
7449
|
|
|
7450 fp = var2fpos(&argvars[0], FALSE);
|
|
|
7451 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
7452 {
|
|
|
7453 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
7454 ++vcol;
|
|
|
7455 }
|
|
|
7456
|
|
|
7457 retvar->var_val.var_number = vcol;
|
|
|
7458 }
|
|
|
7459
|
|
|
7460 /*
|
|
|
7461 * "visualmode()" function
|
|
|
7462 */
|
|
|
7463 /*ARGSUSED*/
|
|
|
7464 static void
|
|
|
7465 f_visualmode(argvars, retvar)
|
|
|
7466 VAR argvars;
|
|
|
7467 VAR retvar;
|
|
|
7468 {
|
|
|
7469 #ifdef FEAT_VISUAL
|
|
|
7470 char_u str[2];
|
|
|
7471
|
|
|
7472 retvar->var_type = VAR_STRING;
|
|
|
7473 str[0] = curbuf->b_visual_mode_eval;
|
|
|
7474 str[1] = NUL;
|
|
|
7475 retvar->var_val.var_string = vim_strsave(str);
|
|
|
7476
|
|
|
7477 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
7478 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
7479 && argvars[0].var_val.var_number != 0)
|
|
|
7480 || (argvars[0].var_type == VAR_STRING
|
|
|
7481 && *get_var_string(&argvars[0]) != NUL))
|
|
|
7482 curbuf->b_visual_mode_eval = NUL;
|
|
|
7483 #else
|
|
|
7484 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
7485 #endif
|
|
|
7486 }
|
|
|
7487
|
|
|
7488 /*
|
|
|
7489 * "winbufnr(nr)" function
|
|
|
7490 */
|
|
|
7491 static void
|
|
|
7492 f_winbufnr(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_buffer->b_fnum;
|
|
|
7503 }
|
|
|
7504
|
|
|
7505 /*
|
|
|
7506 * "wincol()" function
|
|
|
7507 */
|
|
|
7508 /*ARGSUSED*/
|
|
|
7509 static void
|
|
|
7510 f_wincol(argvars, retvar)
|
|
|
7511 VAR argvars;
|
|
|
7512 VAR retvar;
|
|
|
7513 {
|
|
|
7514 validate_cursor();
|
|
|
7515 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
7516 }
|
|
|
7517
|
|
|
7518 /*
|
|
|
7519 * "winheight(nr)" function
|
|
|
7520 */
|
|
|
7521 static void
|
|
|
7522 f_winheight(argvars, retvar)
|
|
|
7523 VAR argvars;
|
|
|
7524 VAR retvar;
|
|
|
7525 {
|
|
|
7526 win_T *wp;
|
|
|
7527
|
|
|
7528 wp = find_win_by_nr(&argvars[0]);
|
|
|
7529 if (wp == NULL)
|
|
|
7530 retvar->var_val.var_number = -1;
|
|
|
7531 else
|
|
|
7532 retvar->var_val.var_number = wp->w_height;
|
|
|
7533 }
|
|
|
7534
|
|
|
7535 /*
|
|
|
7536 * "winline()" function
|
|
|
7537 */
|
|
|
7538 /*ARGSUSED*/
|
|
|
7539 static void
|
|
|
7540 f_winline(argvars, retvar)
|
|
|
7541 VAR argvars;
|
|
|
7542 VAR retvar;
|
|
|
7543 {
|
|
|
7544 validate_cursor();
|
|
|
7545 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
7546 }
|
|
|
7547
|
|
|
7548 /*
|
|
|
7549 * "winnr()" function
|
|
|
7550 */
|
|
|
7551 /* ARGSUSED */
|
|
|
7552 static void
|
|
|
7553 f_winnr(argvars, retvar)
|
|
|
7554 VAR argvars;
|
|
|
7555 VAR retvar;
|
|
|
7556 {
|
|
|
7557 int nr = 1;
|
|
|
7558 #ifdef FEAT_WINDOWS
|
|
|
7559 win_T *wp;
|
|
|
7560
|
|
|
7561 for (wp = firstwin; wp != curwin; wp = wp->w_next)
|
|
|
7562 ++nr;
|
|
|
7563 #endif
|
|
|
7564 retvar->var_val.var_number = nr;
|
|
|
7565 }
|
|
|
7566
|
|
|
7567 /*
|
|
|
7568 * "winrestcmd()" function
|
|
|
7569 */
|
|
|
7570 /* ARGSUSED */
|
|
|
7571 static void
|
|
|
7572 f_winrestcmd(argvars, retvar)
|
|
|
7573 VAR argvars;
|
|
|
7574 VAR retvar;
|
|
|
7575 {
|
|
|
7576 #ifdef FEAT_WINDOWS
|
|
|
7577 win_T *wp;
|
|
|
7578 int winnr = 1;
|
|
|
7579 garray_T ga;
|
|
|
7580 char_u buf[50];
|
|
|
7581
|
|
|
7582 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
7583 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7584 {
|
|
|
7585 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
7586 ga_concat(&ga, buf);
|
|
|
7587 # ifdef FEAT_VERTSPLIT
|
|
|
7588 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
7589 ga_concat(&ga, buf);
|
|
|
7590 # endif
|
|
|
7591 ++winnr;
|
|
|
7592 }
|
|
|
7593
|
|
|
7594 retvar->var_val.var_string = ga.ga_data;
|
|
|
7595 #else
|
|
|
7596 retvar->var_val.var_string = NULL;
|
|
|
7597 #endif
|
|
|
7598 retvar->var_type = VAR_STRING;
|
|
|
7599 }
|
|
|
7600
|
|
|
7601 /*
|
|
|
7602 * "winwidth(nr)" function
|
|
|
7603 */
|
|
|
7604 static void
|
|
|
7605 f_winwidth(argvars, retvar)
|
|
|
7606 VAR argvars;
|
|
|
7607 VAR retvar;
|
|
|
7608 {
|
|
|
7609 win_T *wp;
|
|
|
7610
|
|
|
7611 wp = find_win_by_nr(&argvars[0]);
|
|
|
7612 if (wp == NULL)
|
|
|
7613 retvar->var_val.var_number = -1;
|
|
|
7614 else
|
|
|
7615 #ifdef FEAT_VERTSPLIT
|
|
|
7616 retvar->var_val.var_number = wp->w_width;
|
|
|
7617 #else
|
|
|
7618 retvar->var_val.var_number = Columns;
|
|
|
7619 #endif
|
|
|
7620 }
|
|
|
7621
|
|
|
7622 static win_T *
|
|
|
7623 find_win_by_nr(vp)
|
|
|
7624 VAR vp;
|
|
|
7625 {
|
|
|
7626 #ifdef FEAT_WINDOWS
|
|
|
7627 win_T *wp;
|
|
|
7628 #endif
|
|
|
7629 int nr;
|
|
|
7630
|
|
|
7631 nr = get_var_number(vp);
|
|
|
7632
|
|
|
7633 #ifdef FEAT_WINDOWS
|
|
|
7634 if (nr == 0)
|
|
|
7635 return curwin;
|
|
|
7636
|
|
|
7637 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7638 if (--nr <= 0)
|
|
|
7639 break;
|
|
|
7640 return wp;
|
|
|
7641 #else
|
|
|
7642 if (nr == 0 || nr == 1)
|
|
|
7643 return curwin;
|
|
|
7644 return NULL;
|
|
|
7645 #endif
|
|
|
7646 }
|
|
|
7647
|
|
|
7648 /*
|
|
|
7649 * Translate a String variable into a position.
|
|
|
7650 */
|
|
|
7651 static pos_T *
|
|
|
7652 var2fpos(varp, lnum)
|
|
|
7653 VAR varp;
|
|
|
7654 int lnum; /* TRUE when $ is last line */
|
|
|
7655 {
|
|
|
7656 char_u *name;
|
|
|
7657 static pos_T pos;
|
|
|
7658 pos_T *pp;
|
|
|
7659
|
|
|
7660 name = get_var_string(varp);
|
|
|
7661 if (name[0] == '.') /* cursor */
|
|
|
7662 return &curwin->w_cursor;
|
|
|
7663 if (name[0] == '\'') /* mark */
|
|
|
7664 {
|
|
|
7665 pp = getmark(name[1], FALSE);
|
|
|
7666 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
7667 return NULL;
|
|
|
7668 return pp;
|
|
|
7669 }
|
|
|
7670 if (name[0] == '$') /* last column or line */
|
|
|
7671 {
|
|
|
7672 if (lnum)
|
|
|
7673 {
|
|
|
7674 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
7675 pos.col = 0;
|
|
|
7676 }
|
|
|
7677 else
|
|
|
7678 {
|
|
|
7679 pos.lnum = curwin->w_cursor.lnum;
|
|
|
7680 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
7681 }
|
|
|
7682 return &pos;
|
|
|
7683 }
|
|
|
7684 return NULL;
|
|
|
7685 }
|
|
|
7686
|
|
|
7687 /*
|
|
|
7688 * Get the length of an environment variable name.
|
|
|
7689 * Advance "arg" to the first character after the name.
|
|
|
7690 * Return 0 for error.
|
|
|
7691 */
|
|
|
7692 static int
|
|
|
7693 get_env_len(arg)
|
|
|
7694 char_u **arg;
|
|
|
7695 {
|
|
|
7696 char_u *p;
|
|
|
7697 int len;
|
|
|
7698
|
|
|
7699 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
7700 ;
|
|
|
7701 if (p == *arg) /* no name found */
|
|
|
7702 return 0;
|
|
|
7703
|
|
|
7704 len = (int)(p - *arg);
|
|
|
7705 *arg = p;
|
|
|
7706 return len;
|
|
|
7707 }
|
|
|
7708
|
|
|
7709 /*
|
|
|
7710 * Get the length of the name of a function or internal variable.
|
|
|
7711 * "arg" is advanced to the first non-white character after the name.
|
|
|
7712 * Return 0 if something is wrong.
|
|
|
7713 */
|
|
|
7714 static int
|
|
|
7715 get_id_len(arg)
|
|
|
7716 char_u **arg;
|
|
|
7717 {
|
|
|
7718 char_u *p;
|
|
|
7719 int len;
|
|
|
7720
|
|
|
7721 /* Find the end of the name. */
|
|
|
7722 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
7723 ;
|
|
|
7724 if (p == *arg) /* no name found */
|
|
|
7725 return 0;
|
|
|
7726
|
|
|
7727 len = (int)(p - *arg);
|
|
|
7728 *arg = skipwhite(p);
|
|
|
7729
|
|
|
7730 return len;
|
|
|
7731 }
|
|
|
7732
|
|
|
7733 /*
|
|
|
7734 * Get the length of the name of a function.
|
|
|
7735 * "arg" is advanced to the first non-white character after the name.
|
|
|
7736 * Return 0 if something is wrong.
|
|
|
7737 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
7738 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
7739 */
|
|
|
7740 static int
|
|
|
7741 get_func_len(arg, alias, evaluate)
|
|
|
7742 char_u **arg;
|
|
|
7743 char_u **alias;
|
|
|
7744 int evaluate;
|
|
|
7745 {
|
|
|
7746 int len;
|
|
|
7747 #ifdef FEAT_MAGIC_BRACES
|
|
|
7748 char_u *p;
|
|
|
7749 char_u *expr_start;
|
|
|
7750 char_u *expr_end;
|
|
|
7751 #endif
|
|
|
7752
|
|
|
7753 *alias = NULL; /* default to no alias */
|
|
|
7754
|
|
|
7755 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
7756 && (*arg)[2] == (int)KE_SNR)
|
|
|
7757 {
|
|
|
7758 /* hard coded <SNR>, already translated */
|
|
|
7759 *arg += 3;
|
|
|
7760 return get_id_len(arg) + 3;
|
|
|
7761 }
|
|
|
7762 len = eval_fname_script(*arg);
|
|
|
7763 if (len > 0)
|
|
|
7764 {
|
|
|
7765 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
7766 *arg += len;
|
|
|
7767 }
|
|
|
7768
|
|
|
7769 #ifdef FEAT_MAGIC_BRACES
|
|
|
7770 /*
|
|
|
7771 * Find the end of the name;
|
|
|
7772 */
|
|
|
7773 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
7774 /* check for {} construction */
|
|
|
7775 if (expr_start != NULL)
|
|
|
7776 {
|
|
|
7777 char_u *temp_string;
|
|
|
7778
|
|
|
7779 if (!evaluate)
|
|
|
7780 {
|
|
|
7781 len += (int)(p - *arg);
|
|
|
7782 *arg = skipwhite(p);
|
|
|
7783 return len;
|
|
|
7784 }
|
|
|
7785
|
|
|
7786 /*
|
|
|
7787 * Include any <SID> etc in the expanded string:
|
|
|
7788 * Thus the -len here.
|
|
|
7789 */
|
|
|
7790 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
7791 if (temp_string == NULL)
|
|
|
7792 return 0;
|
|
|
7793 *alias = temp_string;
|
|
|
7794 *arg = skipwhite(p);
|
|
|
7795 return (int)STRLEN(temp_string);
|
|
|
7796 }
|
|
|
7797 #endif
|
|
|
7798
|
|
|
7799 len += get_id_len(arg);
|
|
|
7800 if (len == 0)
|
|
|
7801 EMSG2(_(e_invexpr2), *arg);
|
|
|
7802
|
|
|
7803 return len;
|
|
|
7804 }
|
|
|
7805
|
|
|
7806 static char_u *
|
|
|
7807 find_name_end(arg, expr_start, expr_end)
|
|
|
7808 char_u *arg;
|
|
|
7809 char_u **expr_start;
|
|
|
7810 char_u **expr_end;
|
|
|
7811 {
|
|
|
7812 int nesting = 0;
|
|
|
7813 char_u *p;
|
|
|
7814
|
|
|
7815 *expr_start = NULL;
|
|
|
7816 *expr_end = NULL;
|
|
|
7817
|
|
|
7818 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
7819 {
|
|
|
7820 #ifdef FEAT_MAGIC_BRACES
|
|
|
7821 if (*p == '{')
|
|
|
7822 {
|
|
|
7823 nesting++;
|
|
|
7824 if (*expr_start == NULL)
|
|
|
7825 *expr_start = p;
|
|
|
7826 }
|
|
|
7827 else if (*p == '}')
|
|
|
7828 {
|
|
|
7829 nesting--;
|
|
|
7830 if (nesting == 0 && *expr_end == NULL)
|
|
|
7831 *expr_end = p;
|
|
|
7832 }
|
|
|
7833 #endif
|
|
|
7834 }
|
|
|
7835
|
|
|
7836 return p;
|
|
|
7837 }
|
|
|
7838
|
|
|
7839 /*
|
|
|
7840 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
7841 */
|
|
|
7842 static int
|
|
|
7843 eval_isnamec(c)
|
|
|
7844 int c;
|
|
|
7845 {
|
|
|
7846 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
7847 #ifdef FEAT_MAGIC_BRACES
|
|
|
7848 || c == '{' || c == '}'
|
|
|
7849 #endif
|
|
|
7850 );
|
|
|
7851 }
|
|
|
7852
|
|
|
7853 /*
|
|
|
7854 * Find a v: variable.
|
|
|
7855 * Return it's index, or -1 if not found.
|
|
|
7856 */
|
|
|
7857 static int
|
|
|
7858 find_vim_var(name, len)
|
|
|
7859 char_u *name;
|
|
|
7860 int len; /* length of "name" */
|
|
|
7861 {
|
|
|
7862 char_u *vname;
|
|
|
7863 int vlen;
|
|
|
7864 int i;
|
|
|
7865
|
|
|
7866 /*
|
|
|
7867 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
7868 */
|
|
|
7869 if (name[0] == 'v' && name[1] == ':')
|
|
|
7870 {
|
|
|
7871 vname = name + 2;
|
|
|
7872 vlen = len - 2;
|
|
|
7873 }
|
|
|
7874 else
|
|
|
7875 {
|
|
|
7876 vname = name;
|
|
|
7877 vlen = len;
|
|
|
7878 }
|
|
|
7879 for (i = 0; i < VV_LEN; ++i)
|
|
|
7880 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
7881 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
7882 return i;
|
|
|
7883 return -1;
|
|
|
7884 }
|
|
|
7885
|
|
|
7886 /*
|
|
|
7887 * Set number v: variable to "val".
|
|
|
7888 */
|
|
|
7889 void
|
|
|
7890 set_vim_var_nr(idx, val)
|
|
|
7891 int idx;
|
|
|
7892 long val;
|
|
|
7893 {
|
|
|
7894 vimvars[idx].val = (char_u *)val;
|
|
|
7895 }
|
|
|
7896
|
|
|
7897 /*
|
|
|
7898 * Get number v: variable value;
|
|
|
7899 */
|
|
|
7900 long
|
|
|
7901 get_vim_var_nr(idx)
|
|
|
7902 int idx;
|
|
|
7903 {
|
|
|
7904 return (long)vimvars[idx].val;
|
|
|
7905 }
|
|
|
7906
|
|
|
7907 /*
|
|
|
7908 * Set v:count, v:count1 and v:prevcount.
|
|
|
7909 */
|
|
|
7910 void
|
|
|
7911 set_vcount(count, count1)
|
|
|
7912 long count;
|
|
|
7913 long count1;
|
|
|
7914 {
|
|
|
7915 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
7916 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
7917 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
7918 }
|
|
|
7919
|
|
|
7920 /*
|
|
|
7921 * Set string v: variable to a copy of "val".
|
|
|
7922 */
|
|
|
7923 void
|
|
|
7924 set_vim_var_string(idx, val, len)
|
|
|
7925 int idx;
|
|
|
7926 char_u *val;
|
|
|
7927 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
7928 {
|
|
|
7929 vim_free(vimvars[idx].val);
|
|
|
7930 if (val == NULL)
|
|
|
7931 vimvars[idx].val = NULL;
|
|
|
7932 else if (len == -1)
|
|
|
7933 vimvars[idx].val = vim_strsave(val);
|
|
|
7934 else
|
|
|
7935 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
7936 }
|
|
|
7937
|
|
|
7938 /*
|
|
|
7939 * Set v:register if needed.
|
|
|
7940 */
|
|
|
7941 void
|
|
|
7942 set_reg_var(c)
|
|
|
7943 int c;
|
|
|
7944 {
|
|
|
7945 char_u regname;
|
|
|
7946
|
|
|
7947 if (c == 0 || c == ' ')
|
|
|
7948 regname = '"';
|
|
|
7949 else
|
|
|
7950 regname = c;
|
|
|
7951 /* Avoid free/alloc when the value is already right. */
|
|
|
7952 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
7953 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
7954 }
|
|
|
7955
|
|
|
7956 /*
|
|
|
7957 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
7958 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7959 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
7960 * take care of memory allocations.
|
|
|
7961 */
|
|
|
7962 char_u *
|
|
|
7963 v_exception(oldval)
|
|
|
7964 char_u *oldval;
|
|
|
7965 {
|
|
|
7966 if (oldval == NULL)
|
|
|
7967 return vimvars[VV_EXCEPTION].val;
|
|
|
7968
|
|
|
7969 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
7970 return NULL;
|
|
|
7971 }
|
|
|
7972
|
|
|
7973 /*
|
|
|
7974 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
7975 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7976 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
7977 * take care of memory allocations.
|
|
|
7978 */
|
|
|
7979 char_u *
|
|
|
7980 v_throwpoint(oldval)
|
|
|
7981 char_u *oldval;
|
|
|
7982 {
|
|
|
7983 if (oldval == NULL)
|
|
|
7984 return vimvars[VV_THROWPOINT].val;
|
|
|
7985
|
|
|
7986 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
7987 return NULL;
|
|
|
7988 }
|
|
|
7989
|
|
|
7990 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
7991 /*
|
|
|
7992 * Set v:cmdarg.
|
|
|
7993 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
7994 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
7995 * Must always be called in pairs!
|
|
|
7996 */
|
|
|
7997 char_u *
|
|
|
7998 set_cmdarg(eap, oldarg)
|
|
|
7999 exarg_T *eap;
|
|
|
8000 char_u *oldarg;
|
|
|
8001 {
|
|
|
8002 char_u *oldval;
|
|
|
8003 char_u *newval;
|
|
|
8004 unsigned len;
|
|
|
8005
|
|
|
8006 oldval = vimvars[VV_CMDARG].val;
|
|
|
8007 if (eap != NULL)
|
|
|
8008 {
|
|
|
8009 if (eap->force_bin == FORCE_BIN)
|
|
|
8010 len = 6;
|
|
|
8011 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8012 len = 8;
|
|
|
8013 else
|
|
|
8014 len = 0;
|
|
|
8015 if (eap->force_ff != 0)
|
|
|
8016 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
|
8017 # ifdef FEAT_MBYTE
|
|
|
8018 if (eap->force_enc != 0)
|
|
|
8019 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
|
8020 # endif
|
|
|
8021
|
|
|
8022 newval = alloc(len + 1);
|
|
|
8023 if (newval == NULL)
|
|
|
8024 return NULL;
|
|
|
8025
|
|
|
8026 if (eap->force_bin == FORCE_BIN)
|
|
|
8027 sprintf((char *)newval, " ++bin");
|
|
|
8028 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8029 sprintf((char *)newval, " ++nobin");
|
|
|
8030 else
|
|
|
8031 *newval = NUL;
|
|
|
8032 if (eap->force_ff != 0)
|
|
|
8033 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8034 eap->cmd + eap->force_ff);
|
|
|
8035 # ifdef FEAT_MBYTE
|
|
|
8036 if (eap->force_enc != 0)
|
|
|
8037 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8038 eap->cmd + eap->force_enc);
|
|
|
8039 # endif
|
|
|
8040 vimvars[VV_CMDARG].val = newval;
|
|
|
8041 return oldval;
|
|
|
8042 }
|
|
|
8043
|
|
|
8044 vim_free(oldval);
|
|
|
8045 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8046 return NULL;
|
|
|
8047 }
|
|
|
8048 #endif
|
|
|
8049
|
|
|
8050 /*
|
|
|
8051 * Get the value of internal variable "name".
|
|
|
8052 * Return OK or FAIL.
|
|
|
8053 */
|
|
|
8054 static int
|
|
|
8055 get_var_var(name, len, retvar)
|
|
|
8056 char_u *name;
|
|
|
8057 int len; /* length of "name" */
|
|
|
8058 VAR retvar; /* NULL when only checking existence */
|
|
|
8059 {
|
|
|
8060 int ret = OK;
|
|
|
8061 int type = VAR_UNKNOWN;
|
|
|
8062 long number = 1;
|
|
|
8063 char_u *string = NULL;
|
|
|
8064 VAR v;
|
|
|
8065 int cc;
|
|
|
8066 int i;
|
|
|
8067
|
|
|
8068 /* truncate the name, so that we can use strcmp() */
|
|
|
8069 cc = name[len];
|
|
|
8070 name[len] = NUL;
|
|
|
8071
|
|
|
8072 /*
|
|
|
8073 * Check for "b:changedtick".
|
|
|
8074 */
|
|
|
8075 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8076 {
|
|
|
8077 type = VAR_NUMBER;
|
|
|
8078 number = curbuf->b_changedtick;
|
|
|
8079 }
|
|
|
8080
|
|
|
8081 /*
|
|
|
8082 * Check for built-in v: variables.
|
|
|
8083 */
|
|
|
8084 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8085 {
|
|
|
8086 type = vimvars[i].type;
|
|
|
8087 number = (long)vimvars[i].val;
|
|
|
8088 string = vimvars[i].val;
|
|
|
8089 }
|
|
|
8090
|
|
|
8091 /*
|
|
|
8092 * Check for user-defined variables.
|
|
|
8093 */
|
|
|
8094 else
|
|
|
8095 {
|
|
|
8096 v = find_var(name, FALSE);
|
|
|
8097 if (v != NULL)
|
|
|
8098 {
|
|
|
8099 type = v->var_type;
|
|
|
8100 number = v->var_val.var_number;
|
|
|
8101 string = v->var_val.var_string;
|
|
|
8102 }
|
|
|
8103 }
|
|
|
8104
|
|
|
8105 if (type == VAR_UNKNOWN)
|
|
|
8106 {
|
|
|
8107 if (retvar != NULL)
|
|
|
8108 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8109 ret = FAIL;
|
|
|
8110 }
|
|
|
8111 else if (retvar != NULL)
|
|
|
8112 {
|
|
|
8113 retvar->var_type = type;
|
|
|
8114 if (type == VAR_NUMBER)
|
|
|
8115 retvar->var_val.var_number = number;
|
|
|
8116 else if (type == VAR_STRING)
|
|
|
8117 {
|
|
|
8118 if (string != NULL)
|
|
|
8119 string = vim_strsave(string);
|
|
|
8120 retvar->var_val.var_string = string;
|
|
|
8121 }
|
|
|
8122 }
|
|
|
8123
|
|
|
8124 name[len] = cc;
|
|
|
8125
|
|
|
8126 return ret;
|
|
|
8127 }
|
|
|
8128
|
|
|
8129 /*
|
|
|
8130 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8131 */
|
|
|
8132 static VAR
|
|
|
8133 alloc_var()
|
|
|
8134 {
|
|
|
8135 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8136 }
|
|
|
8137
|
|
|
8138 /*
|
|
|
8139 * Allocate memory for a variable, and assign a string to it.
|
|
|
8140 * The string "s" must have been allocated, it is consumed.
|
|
|
8141 * Return NULL for out of memory, the variable otherwise.
|
|
|
8142 */
|
|
|
8143 static VAR
|
|
|
8144 alloc_string_var(s)
|
|
|
8145 char_u *s;
|
|
|
8146 {
|
|
|
8147 VAR retvar;
|
|
|
8148
|
|
|
8149 retvar = alloc_var();
|
|
|
8150 if (retvar != NULL)
|
|
|
8151 {
|
|
|
8152 retvar->var_type = VAR_STRING;
|
|
|
8153 retvar->var_val.var_string = s;
|
|
|
8154 }
|
|
|
8155 else
|
|
|
8156 vim_free(s);
|
|
|
8157 return retvar;
|
|
|
8158 }
|
|
|
8159
|
|
|
8160 /*
|
|
|
8161 * Free the memory for a variable.
|
|
|
8162 */
|
|
|
8163 static void
|
|
|
8164 free_var(varp)
|
|
|
8165 VAR varp;
|
|
|
8166 {
|
|
|
8167 if (varp != NULL)
|
|
|
8168 {
|
|
|
8169 if (varp->var_type == VAR_STRING)
|
|
|
8170 vim_free(varp->var_val.var_string);
|
|
|
8171 vim_free(varp->var_name);
|
|
|
8172 vim_free(varp);
|
|
|
8173 }
|
|
|
8174 }
|
|
|
8175
|
|
|
8176 /*
|
|
|
8177 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8178 */
|
|
|
8179 static void
|
|
|
8180 clear_var(varp)
|
|
|
8181 VAR varp;
|
|
|
8182 {
|
|
|
8183 if (varp != NULL)
|
|
|
8184 {
|
|
|
8185 if (varp->var_type == VAR_STRING)
|
|
|
8186 {
|
|
|
8187 vim_free(varp->var_val.var_string);
|
|
|
8188 varp->var_val.var_string = NULL;
|
|
|
8189 }
|
|
|
8190 else
|
|
|
8191 varp->var_val.var_number = 0;
|
|
|
8192 }
|
|
|
8193 }
|
|
|
8194
|
|
|
8195 /*
|
|
|
8196 * Get the number value of a variable.
|
|
|
8197 * If it is a String variable, uses vim_str2nr().
|
|
|
8198 */
|
|
|
8199 static long
|
|
|
8200 get_var_number(varp)
|
|
|
8201 VAR varp;
|
|
|
8202 {
|
|
|
8203 long n;
|
|
|
8204
|
|
|
8205 if (varp->var_type == VAR_NUMBER)
|
|
|
8206 return (long)(varp->var_val.var_number);
|
|
|
8207 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8208 return 0L;
|
|
|
8209 else
|
|
|
8210 {
|
|
|
8211 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8212 return n;
|
|
|
8213 }
|
|
|
8214 }
|
|
|
8215
|
|
|
8216 /*
|
|
|
8217 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8218 */
|
|
|
8219 static linenr_T
|
|
|
8220 get_var_lnum(argvars)
|
|
|
8221 VAR argvars;
|
|
|
8222 {
|
|
|
8223 var retvar;
|
|
|
8224 linenr_T lnum;
|
|
|
8225
|
|
|
8226 lnum = get_var_number(&argvars[0]);
|
|
|
8227 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8228 {
|
|
|
8229 retvar.var_type = VAR_NUMBER;
|
|
|
8230 f_line(argvars, &retvar);
|
|
|
8231 lnum = retvar.var_val.var_number;
|
|
|
8232 clear_var(&retvar);
|
|
|
8233 }
|
|
|
8234 return lnum;
|
|
|
8235 }
|
|
|
8236
|
|
|
8237 /*
|
|
|
8238 * Get the string value of a variable.
|
|
|
8239 * If it is a Number variable, the number is converted into a string.
|
|
|
8240 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8241 * get_var_string_buf() uses a given buffer.
|
|
|
8242 * If the String variable has never been set, return an empty string.
|
|
|
8243 * Never returns NULL;
|
|
|
8244 */
|
|
|
8245 static char_u *
|
|
|
8246 get_var_string(varp)
|
|
|
8247 VAR varp;
|
|
|
8248 {
|
|
|
8249 static char_u mybuf[NUMBUFLEN];
|
|
|
8250
|
|
|
8251 return get_var_string_buf(varp, mybuf);
|
|
|
8252 }
|
|
|
8253
|
|
|
8254 static char_u *
|
|
|
8255 get_var_string_buf(varp, buf)
|
|
|
8256 VAR varp;
|
|
|
8257 char_u *buf;
|
|
|
8258 {
|
|
|
8259 if (varp->var_type == VAR_NUMBER)
|
|
|
8260 {
|
|
|
8261 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8262 return buf;
|
|
|
8263 }
|
|
|
8264 else if (varp->var_val.var_string == NULL)
|
|
|
8265 return (char_u *)"";
|
|
|
8266 else
|
|
|
8267 return varp->var_val.var_string;
|
|
|
8268 }
|
|
|
8269
|
|
|
8270 /*
|
|
|
8271 * Find variable "name" in the list of variables.
|
|
|
8272 * Return a pointer to it if found, NULL if not found.
|
|
|
8273 */
|
|
|
8274 static VAR
|
|
|
8275 find_var(name, writing)
|
|
|
8276 char_u *name;
|
|
|
8277 int writing;
|
|
|
8278 {
|
|
|
8279 int i;
|
|
|
8280 char_u *varname;
|
|
|
8281 garray_T *gap;
|
|
|
8282
|
|
|
8283 /* Check for function arguments "a:" */
|
|
|
8284 if (name[0] == 'a' && name[1] == ':')
|
|
|
8285 {
|
|
|
8286 if (writing)
|
|
|
8287 {
|
|
|
8288 EMSG2(_(e_readonlyvar), name);
|
|
|
8289 return NULL;
|
|
|
8290 }
|
|
|
8291 name += 2;
|
|
|
8292 if (current_funccal == NULL)
|
|
|
8293 return NULL;
|
|
|
8294 if (VIM_ISDIGIT(*name))
|
|
|
8295 {
|
|
|
8296 i = atol((char *)name);
|
|
|
8297 if (i == 0) /* a:0 */
|
|
|
8298 return ¤t_funccal->a0_var;
|
|
|
8299 i += current_funccal->func->args.ga_len;
|
|
|
8300 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8301 return NULL;
|
|
|
8302 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8303 }
|
|
|
8304 if (STRCMP(name, "firstline") == 0)
|
|
|
8305 return &(current_funccal->firstline);
|
|
|
8306 if (STRCMP(name, "lastline") == 0)
|
|
|
8307 return &(current_funccal->lastline);
|
|
|
8308 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8309 if (STRCMP(name, ((char_u **)
|
|
|
8310 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8311 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8312 return NULL;
|
|
|
8313 }
|
|
|
8314
|
|
|
8315 gap = find_var_ga(name, &varname);
|
|
|
8316 if (gap == NULL)
|
|
|
8317 return NULL;
|
|
|
8318 return find_var_in_ga(gap, varname);
|
|
|
8319 }
|
|
|
8320
|
|
|
8321 static VAR
|
|
|
8322 find_var_in_ga(gap, varname)
|
|
|
8323 garray_T *gap;
|
|
|
8324 char_u *varname;
|
|
|
8325 {
|
|
|
8326 int i;
|
|
|
8327
|
|
|
8328 for (i = gap->ga_len; --i >= 0; )
|
|
|
8329 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8330 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8331 break;
|
|
|
8332 if (i < 0)
|
|
|
8333 return NULL;
|
|
|
8334 return &VAR_GAP_ENTRY(i, gap);
|
|
|
8335 }
|
|
|
8336
|
|
|
8337 /*
|
|
|
8338 * Find the growarray and start of name without ':' for a variable name.
|
|
|
8339 */
|
|
|
8340 static garray_T *
|
|
|
8341 find_var_ga(name, varname)
|
|
|
8342 char_u *name;
|
|
|
8343 char_u **varname;
|
|
|
8344 {
|
|
|
8345 if (name[1] != ':')
|
|
|
8346 {
|
|
|
8347 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
8348 if (vim_strchr(name, ':') != NULL)
|
|
|
8349 return NULL;
|
|
|
8350 *varname = name;
|
|
|
8351 if (current_funccal == NULL)
|
|
|
8352 return &variables; /* global variable */
|
|
|
8353 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
8354 }
|
|
|
8355 *varname = name + 2;
|
|
|
8356 if (*name == 'b') /* buffer variable */
|
|
|
8357 return &curbuf->b_vars;
|
|
|
8358 if (*name == 'w') /* window variable */
|
|
|
8359 return &curwin->w_vars;
|
|
|
8360 if (*name == 'g') /* global variable */
|
|
|
8361 return &variables;
|
|
|
8362 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
8363 return ¤t_funccal->l_vars;
|
|
|
8364 if (*name == 's' /* script variable */
|
|
|
8365 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
8366 return &SCRIPT_VARS(current_SID);
|
|
|
8367 return NULL;
|
|
|
8368 }
|
|
|
8369
|
|
|
8370 /*
|
|
|
8371 * Get the string value of a (global/local) variable.
|
|
|
8372 * Returns NULL when it doesn't exist.
|
|
|
8373 */
|
|
|
8374 char_u *
|
|
|
8375 get_var_value(name)
|
|
|
8376 char_u *name;
|
|
|
8377 {
|
|
|
8378 VAR v;
|
|
|
8379
|
|
|
8380 v = find_var(name, FALSE);
|
|
|
8381 if (v == NULL)
|
|
|
8382 return NULL;
|
|
|
8383 return get_var_string(v);
|
|
|
8384 }
|
|
|
8385
|
|
|
8386 /*
|
|
|
8387 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
8388 * sourcing this script and when executing functions defined in the script.
|
|
|
8389 */
|
|
|
8390 void
|
|
|
8391 new_script_vars(id)
|
|
|
8392 scid_T id;
|
|
|
8393 {
|
|
|
8394 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
8395 {
|
|
|
8396 while (ga_scripts.ga_len < id)
|
|
|
8397 {
|
|
|
8398 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
8399 ++ga_scripts.ga_len;
|
|
|
8400 --ga_scripts.ga_room;
|
|
|
8401 }
|
|
|
8402 }
|
|
|
8403 }
|
|
|
8404
|
|
|
8405 /*
|
|
|
8406 * Initialize internal variables for use.
|
|
|
8407 */
|
|
|
8408 void
|
|
|
8409 var_init(gap)
|
|
|
8410 garray_T *gap;
|
|
|
8411 {
|
|
|
8412 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
8413 }
|
|
|
8414
|
|
|
8415 /*
|
|
|
8416 * Clean up a list of internal variables.
|
|
|
8417 */
|
|
|
8418 void
|
|
|
8419 var_clear(gap)
|
|
|
8420 garray_T *gap;
|
|
|
8421 {
|
|
|
8422 int i;
|
|
|
8423
|
|
|
8424 for (i = gap->ga_len; --i >= 0; )
|
|
|
8425 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
8426 ga_clear(gap);
|
|
|
8427 }
|
|
|
8428
|
|
|
8429 static void
|
|
|
8430 var_free_one(v)
|
|
|
8431 VAR v;
|
|
|
8432 {
|
|
|
8433 vim_free(v->var_name);
|
|
|
8434 v->var_name = NULL;
|
|
|
8435 if (v->var_type == VAR_STRING)
|
|
|
8436 vim_free(v->var_val.var_string);
|
|
|
8437 v->var_val.var_string = NULL;
|
|
|
8438 }
|
|
|
8439
|
|
|
8440 /*
|
|
|
8441 * List the value of one internal variable.
|
|
|
8442 */
|
|
|
8443 static void
|
|
|
8444 list_one_var(v, prefix)
|
|
|
8445 VAR v;
|
|
|
8446 char_u *prefix;
|
|
|
8447 {
|
|
|
8448 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
8449 }
|
|
|
8450
|
|
|
8451 /*
|
|
|
8452 * List the value of one "v:" variable.
|
|
|
8453 */
|
|
|
8454 static void
|
|
|
8455 list_vim_var(i)
|
|
|
8456 int i; /* index in vimvars[] */
|
|
|
8457 {
|
|
|
8458 char_u *p;
|
|
|
8459 char_u numbuf[NUMBUFLEN];
|
|
|
8460
|
|
|
8461 if (vimvars[i].type == VAR_NUMBER)
|
|
|
8462 {
|
|
|
8463 p = numbuf;
|
|
|
8464 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
8465 }
|
|
|
8466 else if (vimvars[i].val == NULL)
|
|
|
8467 p = (char_u *)"";
|
|
|
8468 else
|
|
|
8469 p = vimvars[i].val;
|
|
|
8470 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
8471 vimvars[i].type, p);
|
|
|
8472 }
|
|
|
8473
|
|
|
8474 static void
|
|
|
8475 list_one_var_a(prefix, name, type, string)
|
|
|
8476 char_u *prefix;
|
|
|
8477 char_u *name;
|
|
|
8478 int type;
|
|
|
8479 char_u *string;
|
|
|
8480 {
|
|
|
8481 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
8482 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
8483 msg_puts(name);
|
|
|
8484 msg_putchar(' ');
|
|
|
8485 msg_advance(22);
|
|
|
8486 if (type == VAR_NUMBER)
|
|
|
8487 msg_putchar('#');
|
|
|
8488 else
|
|
|
8489 msg_putchar(' ');
|
|
|
8490 msg_outtrans(string);
|
|
|
8491 }
|
|
|
8492
|
|
|
8493 /*
|
|
|
8494 * Set variable "name" to value in "varp".
|
|
|
8495 * If the variable already exists, the value is updated.
|
|
|
8496 * Otherwise the variable is created.
|
|
|
8497 */
|
|
|
8498 static void
|
|
|
8499 set_var(name, varp)
|
|
|
8500 char_u *name;
|
|
|
8501 VAR varp;
|
|
|
8502 {
|
|
|
8503 int i;
|
|
|
8504 VAR v;
|
|
|
8505 char_u *varname;
|
|
|
8506 garray_T *gap;
|
|
|
8507
|
|
|
8508 /*
|
|
|
8509 * Handle setting internal v: variables.
|
|
|
8510 */
|
|
|
8511 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
8512 if (i >= 0)
|
|
|
8513 {
|
|
|
8514 if (vimvars[i].flags & VV_RO)
|
|
|
8515 EMSG2(_(e_readonlyvar), name);
|
|
|
8516 else
|
|
|
8517 {
|
|
|
8518 if (vimvars[i].type == VAR_STRING)
|
|
|
8519 {
|
|
|
8520 vim_free(vimvars[i].val);
|
|
|
8521 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
8522 }
|
|
|
8523 else
|
|
|
8524 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
8525 }
|
|
|
8526 return;
|
|
|
8527 }
|
|
|
8528
|
|
|
8529 v = find_var(name, TRUE);
|
|
|
8530 if (v != NULL) /* existing variable, only need to free string */
|
|
|
8531 {
|
|
|
8532 if (v->var_type == VAR_STRING)
|
|
|
8533 vim_free(v->var_val.var_string);
|
|
|
8534 }
|
|
|
8535 else /* add a new variable */
|
|
|
8536 {
|
|
|
8537 gap = find_var_ga(name, &varname);
|
|
|
8538 if (gap == NULL) /* illegal name */
|
|
|
8539 {
|
|
|
8540 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
8541 return;
|
|
|
8542 }
|
|
|
8543
|
|
|
8544 /* Try to use an empty entry */
|
|
|
8545 for (i = gap->ga_len; --i >= 0; )
|
|
|
8546 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
8547 break;
|
|
|
8548 if (i < 0) /* need to allocate more room */
|
|
|
8549 {
|
|
|
8550 if (ga_grow(gap, 1) == FAIL)
|
|
|
8551 return;
|
|
|
8552 i = gap->ga_len;
|
|
|
8553 }
|
|
|
8554 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
8555 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
8556 return;
|
|
|
8557 if (i == gap->ga_len)
|
|
|
8558 {
|
|
|
8559 ++gap->ga_len;
|
|
|
8560 --gap->ga_room;
|
|
|
8561 }
|
|
|
8562 }
|
|
|
8563 copy_var(varp, v);
|
|
|
8564 }
|
|
|
8565
|
|
|
8566 static void
|
|
|
8567 copy_var(from, to)
|
|
|
8568 VAR from;
|
|
|
8569 VAR to;
|
|
|
8570 {
|
|
|
8571 to->var_type = from->var_type;
|
|
|
8572 if (from->var_type == VAR_STRING)
|
|
|
8573 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
8574 else
|
|
|
8575 to->var_val.var_number = from->var_val.var_number;
|
|
|
8576 }
|
|
|
8577
|
|
|
8578 /*
|
|
|
8579 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
8580 * newline at the end.
|
|
|
8581 * ":echon expr1 ..." print each argument plain.
|
|
|
8582 */
|
|
|
8583 void
|
|
|
8584 ex_echo(eap)
|
|
|
8585 exarg_T *eap;
|
|
|
8586 {
|
|
|
8587 char_u *arg = eap->arg;
|
|
|
8588 var retvar;
|
|
|
8589 char_u *p;
|
|
|
8590 int needclr = TRUE;
|
|
|
8591 int atstart = TRUE;
|
|
|
8592
|
|
|
8593 if (eap->skip)
|
|
|
8594 ++emsg_skip;
|
|
|
8595 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
8596 {
|
|
|
8597 p = arg;
|
|
|
8598 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8599 {
|
|
|
8600 /*
|
|
|
8601 * Report the invalid expression unless the expression evaluation
|
|
|
8602 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8603 * exception.
|
|
|
8604 */
|
|
|
8605 if (!aborting())
|
|
|
8606 EMSG2(_(e_invexpr2), p);
|
|
|
8607 break;
|
|
|
8608 }
|
|
|
8609 if (!eap->skip)
|
|
|
8610 {
|
|
|
8611 if (atstart)
|
|
|
8612 {
|
|
|
8613 atstart = FALSE;
|
|
|
8614 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
8615 * may cause a message to appear. */
|
|
|
8616 if (eap->cmdidx == CMD_echo)
|
|
|
8617 msg_start();
|
|
|
8618 }
|
|
|
8619 else if (eap->cmdidx == CMD_echo)
|
|
|
8620 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
8621 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
8622 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
8623 {
|
|
|
8624 if (*p != TAB && needclr)
|
|
|
8625 {
|
|
|
8626 /* remove any text still there from the command */
|
|
|
8627 msg_clr_eos();
|
|
|
8628 needclr = FALSE;
|
|
|
8629 }
|
|
|
8630 msg_putchar_attr(*p, echo_attr);
|
|
|
8631 }
|
|
|
8632 else
|
|
|
8633 {
|
|
|
8634 #ifdef FEAT_MBYTE
|
|
|
8635 if (has_mbyte)
|
|
|
8636 {
|
|
|
8637 int i = (*mb_ptr2len_check)(p);
|
|
|
8638
|
|
|
8639 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
8640 p += i - 1;
|
|
|
8641 }
|
|
|
8642 else
|
|
|
8643 #endif
|
|
|
8644 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
8645 }
|
|
|
8646 }
|
|
|
8647 clear_var(&retvar);
|
|
|
8648 arg = skipwhite(arg);
|
|
|
8649 }
|
|
|
8650 eap->nextcmd = check_nextcmd(arg);
|
|
|
8651
|
|
|
8652 if (eap->skip)
|
|
|
8653 --emsg_skip;
|
|
|
8654 else
|
|
|
8655 {
|
|
|
8656 /* remove text that may still be there from the command */
|
|
|
8657 if (needclr)
|
|
|
8658 msg_clr_eos();
|
|
|
8659 if (eap->cmdidx == CMD_echo)
|
|
|
8660 msg_end();
|
|
|
8661 }
|
|
|
8662 }
|
|
|
8663
|
|
|
8664 /*
|
|
|
8665 * ":echohl {name}".
|
|
|
8666 */
|
|
|
8667 void
|
|
|
8668 ex_echohl(eap)
|
|
|
8669 exarg_T *eap;
|
|
|
8670 {
|
|
|
8671 int id;
|
|
|
8672
|
|
|
8673 id = syn_name2id(eap->arg);
|
|
|
8674 if (id == 0)
|
|
|
8675 echo_attr = 0;
|
|
|
8676 else
|
|
|
8677 echo_attr = syn_id2attr(id);
|
|
|
8678 }
|
|
|
8679
|
|
|
8680 /*
|
|
|
8681 * ":execute expr1 ..." execute the result of an expression.
|
|
|
8682 * ":echomsg expr1 ..." Print a message
|
|
|
8683 * ":echoerr expr1 ..." Print an error
|
|
|
8684 * Each gets spaces around each argument and a newline at the end for
|
|
|
8685 * echo commands
|
|
|
8686 */
|
|
|
8687 void
|
|
|
8688 ex_execute(eap)
|
|
|
8689 exarg_T *eap;
|
|
|
8690 {
|
|
|
8691 char_u *arg = eap->arg;
|
|
|
8692 var retvar;
|
|
|
8693 int ret = OK;
|
|
|
8694 char_u *p;
|
|
|
8695 garray_T ga;
|
|
|
8696 int len;
|
|
|
8697 int save_did_emsg;
|
|
|
8698
|
|
|
8699 ga_init2(&ga, 1, 80);
|
|
|
8700
|
|
|
8701 if (eap->skip)
|
|
|
8702 ++emsg_skip;
|
|
|
8703 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
8704 {
|
|
|
8705 p = arg;
|
|
|
8706 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8707 {
|
|
|
8708 /*
|
|
|
8709 * Report the invalid expression unless the expression evaluation
|
|
|
8710 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8711 * exception.
|
|
|
8712 */
|
|
|
8713 if (!aborting())
|
|
|
8714 EMSG2(_(e_invexpr2), p);
|
|
|
8715 ret = FAIL;
|
|
|
8716 break;
|
|
|
8717 }
|
|
|
8718
|
|
|
8719 if (!eap->skip)
|
|
|
8720 {
|
|
|
8721 p = get_var_string(&retvar);
|
|
|
8722 len = (int)STRLEN(p);
|
|
|
8723 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
8724 {
|
|
|
8725 clear_var(&retvar);
|
|
|
8726 ret = FAIL;
|
|
|
8727 break;
|
|
|
8728 }
|
|
|
8729 if (ga.ga_len)
|
|
|
8730 {
|
|
|
8731 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
8732 --ga.ga_room;
|
|
|
8733 }
|
|
|
8734 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
8735 ga.ga_room -= len;
|
|
|
8736 ga.ga_len += len;
|
|
|
8737 }
|
|
|
8738
|
|
|
8739 clear_var(&retvar);
|
|
|
8740 arg = skipwhite(arg);
|
|
|
8741 }
|
|
|
8742
|
|
|
8743 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
8744 {
|
|
|
8745 if (eap->cmdidx == CMD_echomsg)
|
|
|
8746 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
8747 else if (eap->cmdidx == CMD_echoerr)
|
|
|
8748 {
|
|
|
8749 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
8750 save_did_emsg = did_emsg;
|
|
|
8751 EMSG((char_u *)ga.ga_data);
|
|
|
8752 if (!force_abort)
|
|
|
8753 did_emsg = save_did_emsg;
|
|
|
8754 }
|
|
|
8755 else if (eap->cmdidx == CMD_execute)
|
|
|
8756 do_cmdline((char_u *)ga.ga_data,
|
|
|
8757 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
8758 }
|
|
|
8759
|
|
|
8760 ga_clear(&ga);
|
|
|
8761
|
|
|
8762 if (eap->skip)
|
|
|
8763 --emsg_skip;
|
|
|
8764
|
|
|
8765 eap->nextcmd = check_nextcmd(arg);
|
|
|
8766 }
|
|
|
8767
|
|
|
8768 /*
|
|
|
8769 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
8770 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
8771 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
8772 * after the option name.
|
|
|
8773 */
|
|
|
8774 static char_u *
|
|
|
8775 find_option_end(arg, opt_flags)
|
|
|
8776 char_u **arg;
|
|
|
8777 int *opt_flags;
|
|
|
8778 {
|
|
|
8779 char_u *p = *arg;
|
|
|
8780
|
|
|
8781 ++p;
|
|
|
8782 if (*p == 'g' && p[1] == ':')
|
|
|
8783 {
|
|
|
8784 *opt_flags = OPT_GLOBAL;
|
|
|
8785 p += 2;
|
|
|
8786 }
|
|
|
8787 else if (*p == 'l' && p[1] == ':')
|
|
|
8788 {
|
|
|
8789 *opt_flags = OPT_LOCAL;
|
|
|
8790 p += 2;
|
|
|
8791 }
|
|
|
8792 else
|
|
|
8793 *opt_flags = 0;
|
|
|
8794
|
|
|
8795 if (!ASCII_ISALPHA(*p))
|
|
|
8796 return NULL;
|
|
|
8797 *arg = p;
|
|
|
8798
|
|
|
8799 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
8800 p += 4; /* termcap option */
|
|
|
8801 else
|
|
|
8802 while (ASCII_ISALPHA(*p))
|
|
|
8803 ++p;
|
|
|
8804 return p;
|
|
|
8805 }
|
|
|
8806
|
|
|
8807 /*
|
|
|
8808 * ":function"
|
|
|
8809 */
|
|
|
8810 void
|
|
|
8811 ex_function(eap)
|
|
|
8812 exarg_T *eap;
|
|
|
8813 {
|
|
|
8814 char_u *theline;
|
|
|
8815 int j;
|
|
|
8816 int c;
|
|
|
8817 #ifdef FEAT_MAGIC_BRACES
|
|
|
8818 int saved_did_emsg;
|
|
|
8819 #endif
|
|
|
8820 char_u *name = NULL;
|
|
|
8821 char_u *p;
|
|
|
8822 char_u *arg;
|
|
|
8823 garray_T newargs;
|
|
|
8824 garray_T newlines;
|
|
|
8825 int varargs = FALSE;
|
|
|
8826 int mustend = FALSE;
|
|
|
8827 int flags = 0;
|
|
|
8828 ufunc_T *fp;
|
|
|
8829 int indent;
|
|
|
8830 int nesting;
|
|
|
8831 char_u *skip_until = NULL;
|
|
|
8832 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
8833
|
|
|
8834 /*
|
|
|
8835 * ":function" without argument: list functions.
|
|
|
8836 */
|
|
|
8837 if (ends_excmd(*eap->arg))
|
|
|
8838 {
|
|
|
8839 if (!eap->skip)
|
|
|
8840 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
8841 list_func_head(fp, FALSE);
|
|
|
8842 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
8843 return;
|
|
|
8844 }
|
|
|
8845
|
|
|
8846 p = eap->arg;
|
|
|
8847 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
8848 if (name == NULL && !eap->skip)
|
|
|
8849 {
|
|
|
8850 /*
|
|
|
8851 * Return on an invalid expression in braces, unless the expression
|
|
|
8852 * evaluation has been cancelled due to an aborting error, an
|
|
|
8853 * interrupt, or an exception.
|
|
|
8854 */
|
|
|
8855 if (!aborting())
|
|
|
8856 return;
|
|
|
8857 else
|
|
|
8858 eap->skip = TRUE;
|
|
|
8859 }
|
|
|
8860 #ifdef FEAT_MAGIC_BRACES
|
|
|
8861 /* An error in a function call during evaluation of an expression in magic
|
|
|
8862 * braces should not cause the function not to be defined. */
|
|
|
8863 saved_did_emsg = did_emsg;
|
|
|
8864 did_emsg = FALSE;
|
|
|
8865 #endif
|
|
|
8866
|
|
|
8867 /*
|
|
|
8868 * ":function func" with only function name: list function.
|
|
|
8869 */
|
|
|
8870 if (vim_strchr(p, '(') == NULL)
|
|
|
8871 {
|
|
|
8872 if (!ends_excmd(*skipwhite(p)))
|
|
|
8873 {
|
|
|
8874 EMSG(_(e_trailing));
|
|
|
8875 goto erret_name;
|
|
|
8876 }
|
|
|
8877 eap->nextcmd = check_nextcmd(p);
|
|
|
8878 if (eap->nextcmd != NULL)
|
|
|
8879 *p = NUL;
|
|
|
8880 if (!eap->skip && !got_int)
|
|
|
8881 {
|
|
|
8882 fp = find_func(name);
|
|
|
8883 if (fp != NULL)
|
|
|
8884 {
|
|
|
8885 list_func_head(fp, TRUE);
|
|
|
8886 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
8887 {
|
|
|
8888 msg_putchar('\n');
|
|
|
8889 msg_outnum((long)(j + 1));
|
|
|
8890 if (j < 9)
|
|
|
8891 msg_putchar(' ');
|
|
|
8892 if (j < 99)
|
|
|
8893 msg_putchar(' ');
|
|
|
8894 msg_prt_line(FUNCLINE(fp, j));
|
|
|
8895 out_flush(); /* show a line at a time */
|
|
|
8896 ui_breakcheck();
|
|
|
8897 }
|
|
|
8898 if (!got_int)
|
|
|
8899 {
|
|
|
8900 msg_putchar('\n');
|
|
|
8901 msg_puts((char_u *)" endfunction");
|
|
|
8902 }
|
|
|
8903 }
|
|
|
8904 else
|
|
|
8905 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
8906 }
|
|
|
8907 goto erret_name;
|
|
|
8908 }
|
|
|
8909
|
|
|
8910 /*
|
|
|
8911 * ":function name(arg1, arg2)" Define function.
|
|
|
8912 */
|
|
|
8913 p = skipwhite(p);
|
|
|
8914 if (*p != '(')
|
|
|
8915 {
|
|
|
8916 if (!eap->skip)
|
|
|
8917 {
|
|
|
8918 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
8919 goto erret_name;
|
|
|
8920 }
|
|
|
8921 /* attempt to continue by skipping some text */
|
|
|
8922 if (vim_strchr(p, '(') != NULL)
|
|
|
8923 p = vim_strchr(p, '(');
|
|
|
8924 }
|
|
|
8925 p = skipwhite(p + 1);
|
|
|
8926
|
|
|
8927 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
8928 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
8929
|
|
|
8930 /*
|
|
|
8931 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
8932 */
|
|
|
8933 while (*p != ')')
|
|
|
8934 {
|
|
|
8935 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
8936 {
|
|
|
8937 varargs = TRUE;
|
|
|
8938 p += 3;
|
|
|
8939 mustend = TRUE;
|
|
|
8940 }
|
|
|
8941 else
|
|
|
8942 {
|
|
|
8943 arg = p;
|
|
|
8944 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
8945 ++p;
|
|
|
8946 if (arg == p || isdigit(*arg)
|
|
|
8947 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
8948 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
8949 {
|
|
|
8950 if (!eap->skip)
|
|
|
8951 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
8952 break;
|
|
|
8953 }
|
|
|
8954 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
8955 goto erret;
|
|
|
8956 c = *p;
|
|
|
8957 *p = NUL;
|
|
|
8958 arg = vim_strsave(arg);
|
|
|
8959 if (arg == NULL)
|
|
|
8960 goto erret;
|
|
|
8961 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
8962 *p = c;
|
|
|
8963 newargs.ga_len++;
|
|
|
8964 newargs.ga_room--;
|
|
|
8965 if (*p == ',')
|
|
|
8966 ++p;
|
|
|
8967 else
|
|
|
8968 mustend = TRUE;
|
|
|
8969 }
|
|
|
8970 p = skipwhite(p);
|
|
|
8971 if (mustend && *p != ')')
|
|
|
8972 {
|
|
|
8973 if (!eap->skip)
|
|
|
8974 EMSG2(_(e_invarg2), eap->arg);
|
|
|
8975 break;
|
|
|
8976 }
|
|
|
8977 }
|
|
|
8978 ++p; /* skip the ')' */
|
|
|
8979
|
|
|
8980 /* find extra arguments "range" and "abort" */
|
|
|
8981 for (;;)
|
|
|
8982 {
|
|
|
8983 p = skipwhite(p);
|
|
|
8984 if (STRNCMP(p, "range", 5) == 0)
|
|
|
8985 {
|
|
|
8986 flags |= FC_RANGE;
|
|
|
8987 p += 5;
|
|
|
8988 }
|
|
|
8989 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
8990 {
|
|
|
8991 flags |= FC_ABORT;
|
|
|
8992 p += 5;
|
|
|
8993 }
|
|
|
8994 else
|
|
|
8995 break;
|
|
|
8996 }
|
|
|
8997
|
|
|
8998 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
8999 EMSG(_(e_trailing));
|
|
|
9000
|
|
|
9001 /*
|
|
|
9002 * Read the body of the function, until ":endfunction" is found.
|
|
|
9003 */
|
|
|
9004 if (KeyTyped)
|
|
|
9005 {
|
|
|
9006 /* Check if the function already exists, don't let the user type the
|
|
|
9007 * whole function before telling him it doesn't work! For a script we
|
|
|
9008 * need to skip the body to be able to find what follows. */
|
|
|
9009 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
9010 EMSG2(_(e_funcexts), name);
|
|
|
9011
|
|
|
9012 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
9013 cmdline_row = msg_row;
|
|
|
9014 }
|
|
|
9015
|
|
|
9016 indent = 2;
|
|
|
9017 nesting = 0;
|
|
|
9018 for (;;)
|
|
|
9019 {
|
|
|
9020 msg_scroll = TRUE;
|
|
|
9021 need_wait_return = FALSE;
|
|
|
9022 if (eap->getline == NULL)
|
|
|
9023 theline = getcmdline(':', 0L, indent);
|
|
|
9024 else
|
|
|
9025 theline = eap->getline(':', eap->cookie, indent);
|
|
|
9026 if (KeyTyped)
|
|
|
9027 lines_left = Rows - 1;
|
|
|
9028 if (theline == NULL)
|
|
|
9029 {
|
|
|
9030 EMSG(_("E126: Missing :endfunction"));
|
|
|
9031 goto erret;
|
|
|
9032 }
|
|
|
9033
|
|
|
9034 if (skip_until != NULL)
|
|
|
9035 {
|
|
|
9036 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9037 * don't check for ":endfunc". */
|
|
|
9038 if (STRCMP(theline, skip_until) == 0)
|
|
|
9039 {
|
|
|
9040 vim_free(skip_until);
|
|
|
9041 skip_until = NULL;
|
|
|
9042 }
|
|
|
9043 }
|
|
|
9044 else
|
|
|
9045 {
|
|
|
9046 /* skip ':' and blanks*/
|
|
|
9047 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9048 ;
|
|
|
9049
|
|
|
9050 /* Check for "endfunction" (should be more strict...). */
|
|
|
9051 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9052 {
|
|
|
9053 vim_free(theline);
|
|
|
9054 break;
|
|
|
9055 }
|
|
|
9056
|
|
|
9057 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9058 * at "end". */
|
|
|
9059 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9060 indent -= 2;
|
|
|
9061 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9062 || STRNCMP(p, "try", 3) == 0)
|
|
|
9063 indent += 2;
|
|
|
9064
|
|
|
9065 /* Check for defining a function inside this function. */
|
|
|
9066 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9067 {
|
|
|
9068 p = skipwhite(skiptowhite(p));
|
|
|
9069 p += eval_fname_script(p);
|
|
|
9070 if (ASCII_ISALPHA(*p))
|
|
|
9071 {
|
|
|
9072 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9073 if (*skipwhite(p) == '(')
|
|
|
9074 {
|
|
|
9075 ++nesting;
|
|
|
9076 indent += 2;
|
|
|
9077 }
|
|
|
9078 }
|
|
|
9079 }
|
|
|
9080
|
|
|
9081 /* Check for ":append" or ":insert". */
|
|
|
9082 p = skip_range(p, NULL);
|
|
|
9083 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9084 || (p[0] == 'i'
|
|
|
9085 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9086 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9087 skip_until = vim_strsave((char_u *)".");
|
|
|
9088
|
|
|
9089 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9090 arg = skipwhite(skiptowhite(p));
|
|
|
9091 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9092 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9093 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9094 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9095 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9096 || (p[0] == 't' && p[1] == 'c'
|
|
|
9097 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9098 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9099 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
|
9100 ))
|
|
|
9101 {
|
|
|
9102 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9103 p = skipwhite(arg + 2);
|
|
|
9104 if (*p == NUL)
|
|
|
9105 skip_until = vim_strsave((char_u *)".");
|
|
|
9106 else
|
|
|
9107 skip_until = vim_strsave(p);
|
|
|
9108 }
|
|
|
9109 }
|
|
|
9110
|
|
|
9111 /* Add the line to the function. */
|
|
|
9112 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9113 goto erret;
|
|
|
9114 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9115 newlines.ga_len++;
|
|
|
9116 newlines.ga_room--;
|
|
|
9117 }
|
|
|
9118
|
|
|
9119 /* Don't define the function when skipping commands or when an error was
|
|
|
9120 * detected. */
|
|
|
9121 if (eap->skip || did_emsg)
|
|
|
9122 goto erret;
|
|
|
9123
|
|
|
9124 /*
|
|
|
9125 * If there are no errors, add the function
|
|
|
9126 */
|
|
|
9127 fp = find_func(name);
|
|
|
9128 if (fp != NULL)
|
|
|
9129 {
|
|
|
9130 if (!eap->forceit)
|
|
|
9131 {
|
|
|
9132 EMSG2(_(e_funcexts), name);
|
|
|
9133 goto erret;
|
|
|
9134 }
|
|
|
9135 if (fp->calls)
|
|
|
9136 {
|
|
|
9137 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9138 goto erret;
|
|
|
9139 }
|
|
|
9140 /* redefine existing function */
|
|
|
9141 ga_clear_strings(&(fp->args));
|
|
|
9142 ga_clear_strings(&(fp->lines));
|
|
|
9143 vim_free(name);
|
|
|
9144 }
|
|
|
9145 else
|
|
|
9146 {
|
|
|
9147 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9148 if (fp == NULL)
|
|
|
9149 goto erret;
|
|
|
9150 /* insert the new function in the function list */
|
|
|
9151 fp->next = firstfunc;
|
|
|
9152 firstfunc = fp;
|
|
|
9153 fp->name = name;
|
|
|
9154 }
|
|
|
9155 fp->args = newargs;
|
|
|
9156 fp->lines = newlines;
|
|
|
9157 fp->varargs = varargs;
|
|
|
9158 fp->flags = flags;
|
|
|
9159 fp->calls = 0;
|
|
|
9160 fp->script_ID = current_SID;
|
|
|
9161 #ifdef FEAT_MAGIC_BRACES
|
|
|
9162 did_emsg |= saved_did_emsg;
|
|
|
9163 #endif
|
|
|
9164 vim_free(skip_until);
|
|
|
9165 return;
|
|
|
9166
|
|
|
9167 erret:
|
|
|
9168 vim_free(skip_until);
|
|
|
9169 ga_clear_strings(&newargs);
|
|
|
9170 ga_clear_strings(&newlines);
|
|
|
9171 erret_name:
|
|
|
9172 vim_free(name);
|
|
|
9173 #ifdef FEAT_MAGIC_BRACES
|
|
|
9174 did_emsg |= saved_did_emsg;
|
|
|
9175 #endif
|
|
|
9176 }
|
|
|
9177
|
|
|
9178 /*
|
|
|
9179 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9180 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9181 * Advances "pp" to just after the function name (if no error).
|
|
|
9182 */
|
|
|
9183 static char_u *
|
|
|
9184 trans_function_name(pp, skip, internal)
|
|
|
9185 char_u **pp;
|
|
|
9186 int skip; /* only find the end, don't evaluate */
|
|
|
9187 int internal; /* TRUE if internal function name OK */
|
|
|
9188 {
|
|
|
9189 char_u *name;
|
|
|
9190 char_u *start;
|
|
|
9191 char_u *end;
|
|
|
9192 int lead;
|
|
|
9193 char_u sid_buf[20];
|
|
|
9194 char_u *temp_string = NULL;
|
|
|
9195 char_u *expr_start, *expr_end;
|
|
|
9196 int len;
|
|
|
9197
|
|
|
9198 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9199 start = *pp;
|
|
|
9200 lead = eval_fname_script(start);
|
|
|
9201 if (lead > 0)
|
|
|
9202 start += lead;
|
|
|
9203 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9204 if (end == start)
|
|
|
9205 {
|
|
|
9206 if (!skip)
|
|
|
9207 EMSG(_("E129: Function name required"));
|
|
|
9208 return NULL;
|
|
|
9209 }
|
|
|
9210 #ifdef FEAT_MAGIC_BRACES
|
|
|
9211 if (expr_start != NULL && !skip)
|
|
|
9212 {
|
|
|
9213 /* expand magic curlies */
|
|
|
9214 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9215 if (temp_string == NULL)
|
|
|
9216 {
|
|
|
9217 /*
|
|
|
9218 * Report an invalid expression in braces, unless the expression
|
|
|
9219 * evaluation has been cancelled due to an aborting error, an
|
|
|
9220 * interrupt, or an exception.
|
|
|
9221 */
|
|
|
9222 if (!aborting())
|
|
|
9223 EMSG2(_(e_invarg2), start);
|
|
|
9224 else
|
|
|
9225 *pp = end;
|
|
|
9226 return NULL;
|
|
|
9227 }
|
|
|
9228 start = temp_string;
|
|
|
9229 len = (int)STRLEN(temp_string);
|
|
|
9230 }
|
|
|
9231 else
|
|
|
9232 #endif
|
|
|
9233 len = (int)(end - start);
|
|
|
9234
|
|
|
9235 /*
|
|
|
9236 * Copy the function name to allocated memory.
|
|
|
9237 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9238 * Accept <SNR>123_name() outside a script.
|
|
|
9239 */
|
|
|
9240 if (skip)
|
|
|
9241 lead = 0; /* do nothing */
|
|
|
9242 else if (lead > 0)
|
|
|
9243 {
|
|
|
9244 lead = 3;
|
|
|
9245 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9246 {
|
|
|
9247 if (current_SID <= 0)
|
|
|
9248 {
|
|
|
9249 EMSG(_(e_usingsid));
|
|
|
9250 return NULL;
|
|
|
9251 }
|
|
|
9252 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9253 lead += (int)STRLEN(sid_buf);
|
|
|
9254 }
|
|
|
9255 }
|
|
|
9256 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9257 {
|
|
|
9258 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9259 return NULL;
|
|
|
9260 }
|
|
|
9261 name = alloc((unsigned)(len + lead + 1));
|
|
|
9262 if (name != NULL)
|
|
|
9263 {
|
|
|
9264 if (lead > 0)
|
|
|
9265 {
|
|
|
9266 name[0] = K_SPECIAL;
|
|
|
9267 name[1] = KS_EXTRA;
|
|
|
9268 name[2] = (int)KE_SNR;
|
|
|
9269 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9270 STRCPY(name + 3, sid_buf);
|
|
|
9271 }
|
|
|
9272 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9273 name[len + lead] = NUL;
|
|
|
9274 }
|
|
|
9275 *pp = end;
|
|
|
9276
|
|
|
9277 vim_free(temp_string);
|
|
|
9278 return name;
|
|
|
9279 }
|
|
|
9280
|
|
|
9281 /*
|
|
|
9282 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9283 * Return 2 if "p" starts with "s:".
|
|
|
9284 * Return 0 otherwise.
|
|
|
9285 */
|
|
|
9286 static int
|
|
|
9287 eval_fname_script(p)
|
|
|
9288 char_u *p;
|
|
|
9289 {
|
|
|
9290 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9291 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9292 return 5;
|
|
|
9293 if (p[0] == 's' && p[1] == ':')
|
|
|
9294 return 2;
|
|
|
9295 return 0;
|
|
|
9296 }
|
|
|
9297
|
|
|
9298 /*
|
|
|
9299 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9300 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9301 */
|
|
|
9302 static int
|
|
|
9303 eval_fname_sid(p)
|
|
|
9304 char_u *p;
|
|
|
9305 {
|
|
|
9306 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9307 }
|
|
|
9308
|
|
|
9309 /*
|
|
|
9310 * List the head of the function: "name(arg1, arg2)".
|
|
|
9311 */
|
|
|
9312 static void
|
|
|
9313 list_func_head(fp, indent)
|
|
|
9314 ufunc_T *fp;
|
|
|
9315 int indent;
|
|
|
9316 {
|
|
|
9317 int j;
|
|
|
9318
|
|
|
9319 msg_start();
|
|
|
9320 if (indent)
|
|
|
9321 MSG_PUTS(" ");
|
|
|
9322 MSG_PUTS("function ");
|
|
|
9323 if (fp->name[0] == K_SPECIAL)
|
|
|
9324 {
|
|
|
9325 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9326 msg_puts(fp->name + 3);
|
|
|
9327 }
|
|
|
9328 else
|
|
|
9329 msg_puts(fp->name);
|
|
|
9330 msg_putchar('(');
|
|
|
9331 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
9332 {
|
|
|
9333 if (j)
|
|
|
9334 MSG_PUTS(", ");
|
|
|
9335 msg_puts(FUNCARG(fp, j));
|
|
|
9336 }
|
|
|
9337 if (fp->varargs)
|
|
|
9338 {
|
|
|
9339 if (j)
|
|
|
9340 MSG_PUTS(", ");
|
|
|
9341 MSG_PUTS("...");
|
|
|
9342 }
|
|
|
9343 msg_putchar(')');
|
|
|
9344 }
|
|
|
9345
|
|
|
9346 /*
|
|
|
9347 * Find a function by name, return pointer to it in ufuncs.
|
|
|
9348 * Return NULL for unknown function.
|
|
|
9349 */
|
|
|
9350 static ufunc_T *
|
|
|
9351 find_func(name)
|
|
|
9352 char_u *name;
|
|
|
9353 {
|
|
|
9354 ufunc_T *fp;
|
|
|
9355
|
|
|
9356 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
9357 if (STRCMP(name, fp->name) == 0)
|
|
|
9358 break;
|
|
|
9359 return fp;
|
|
|
9360 }
|
|
|
9361
|
|
|
9362 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
9363
|
|
|
9364 /*
|
|
|
9365 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
9366 * function names.
|
|
|
9367 */
|
|
|
9368 char_u *
|
|
|
9369 get_user_func_name(xp, idx)
|
|
|
9370 expand_T *xp;
|
|
|
9371 int idx;
|
|
|
9372 {
|
|
|
9373 static ufunc_T *fp = NULL;
|
|
|
9374
|
|
|
9375 if (idx == 0)
|
|
|
9376 fp = firstfunc;
|
|
|
9377 if (fp != NULL)
|
|
|
9378 {
|
|
|
9379 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
9380 return fp->name; /* prevents overflow */
|
|
|
9381
|
|
|
9382 cat_func_name(IObuff, fp);
|
|
|
9383 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
9384 {
|
|
|
9385 STRCAT(IObuff, "(");
|
|
|
9386 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
9387 STRCAT(IObuff, ")");
|
|
|
9388 }
|
|
|
9389
|
|
|
9390 fp = fp->next;
|
|
|
9391 return IObuff;
|
|
|
9392 }
|
|
|
9393 return NULL;
|
|
|
9394 }
|
|
|
9395
|
|
|
9396 #endif /* FEAT_CMDL_COMPL */
|
|
|
9397
|
|
|
9398 /*
|
|
|
9399 * Copy the function name of "fp" to buffer "buf".
|
|
|
9400 * "buf" must be able to hold the function name plus three bytes.
|
|
|
9401 * Takes care of script-local function names.
|
|
|
9402 */
|
|
|
9403 static void
|
|
|
9404 cat_func_name(buf, fp)
|
|
|
9405 char_u *buf;
|
|
|
9406 ufunc_T *fp;
|
|
|
9407 {
|
|
|
9408 if (fp->name[0] == K_SPECIAL)
|
|
|
9409 {
|
|
|
9410 STRCPY(buf, "<SNR>");
|
|
|
9411 STRCAT(buf, fp->name + 3);
|
|
|
9412 }
|
|
|
9413 else
|
|
|
9414 STRCPY(buf, fp->name);
|
|
|
9415 }
|
|
|
9416
|
|
|
9417 /*
|
|
|
9418 * ":delfunction {name}"
|
|
|
9419 */
|
|
|
9420 void
|
|
|
9421 ex_delfunction(eap)
|
|
|
9422 exarg_T *eap;
|
|
|
9423 {
|
|
|
9424 ufunc_T *fp = NULL, *pfp;
|
|
|
9425 char_u *p;
|
|
|
9426 char_u *name;
|
|
|
9427
|
|
|
9428 p = eap->arg;
|
|
|
9429 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9430 if (name == NULL)
|
|
|
9431 return;
|
|
|
9432 if (!ends_excmd(*skipwhite(p)))
|
|
|
9433 {
|
|
|
9434 vim_free(name);
|
|
|
9435 EMSG(_(e_trailing));
|
|
|
9436 return;
|
|
|
9437 }
|
|
|
9438 eap->nextcmd = check_nextcmd(p);
|
|
|
9439 if (eap->nextcmd != NULL)
|
|
|
9440 *p = NUL;
|
|
|
9441
|
|
|
9442 if (!eap->skip)
|
|
|
9443 fp = find_func(name);
|
|
|
9444 vim_free(name);
|
|
|
9445
|
|
|
9446 if (!eap->skip)
|
|
|
9447 {
|
|
|
9448 if (fp == NULL)
|
|
|
9449 {
|
|
|
9450 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
9451 return;
|
|
|
9452 }
|
|
|
9453 if (fp->calls)
|
|
|
9454 {
|
|
|
9455 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
9456 return;
|
|
|
9457 }
|
|
|
9458
|
|
|
9459 /* clear this function */
|
|
|
9460 vim_free(fp->name);
|
|
|
9461 ga_clear_strings(&(fp->args));
|
|
|
9462 ga_clear_strings(&(fp->lines));
|
|
|
9463
|
|
|
9464 /* remove the function from the function list */
|
|
|
9465 if (firstfunc == fp)
|
|
|
9466 firstfunc = fp->next;
|
|
|
9467 else
|
|
|
9468 {
|
|
|
9469 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
9470 if (pfp->next == fp)
|
|
|
9471 {
|
|
|
9472 pfp->next = fp->next;
|
|
|
9473 break;
|
|
|
9474 }
|
|
|
9475 }
|
|
|
9476 vim_free(fp);
|
|
|
9477 }
|
|
|
9478 }
|
|
|
9479
|
|
|
9480 /*
|
|
|
9481 * Call a user function.
|
|
|
9482 */
|
|
|
9483 static void
|
|
|
9484 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
9485 ufunc_T *fp; /* pointer to function */
|
|
|
9486 int argcount; /* nr of args */
|
|
|
9487 VAR argvars; /* arguments */
|
|
|
9488 VAR retvar; /* return value */
|
|
|
9489 linenr_T firstline; /* first line of range */
|
|
|
9490 linenr_T lastline; /* last line of range */
|
|
|
9491 {
|
|
|
9492 char_u *save_sourcing_name;
|
|
|
9493 linenr_T save_sourcing_lnum;
|
|
|
9494 scid_T save_current_SID;
|
|
|
9495 struct funccall fc;
|
|
|
9496 struct funccall *save_fcp = current_funccal;
|
|
|
9497 int save_did_emsg;
|
|
|
9498 static int depth = 0;
|
|
|
9499
|
|
|
9500 /* If depth of calling is getting too high, don't execute the function */
|
|
|
9501 if (depth >= p_mfd)
|
|
|
9502 {
|
|
|
9503 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
9504 retvar->var_type = VAR_NUMBER;
|
|
|
9505 retvar->var_val.var_number = -1;
|
|
|
9506 return;
|
|
|
9507 }
|
|
|
9508 ++depth;
|
|
|
9509
|
|
|
9510 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
9511
|
|
|
9512 /* set local variables */
|
|
|
9513 var_init(&fc.l_vars);
|
|
|
9514 fc.func = fp;
|
|
|
9515 fc.argcount = argcount;
|
|
|
9516 fc.argvars = argvars;
|
|
|
9517 fc.retvar = retvar;
|
|
|
9518 retvar->var_val.var_number = 0;
|
|
|
9519 fc.linenr = 0;
|
|
|
9520 fc.returned = FALSE;
|
|
|
9521 fc.level = ex_nesting_level;
|
|
|
9522 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
9523 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
9524 fc.a0_var.var_name = NULL;
|
|
|
9525 current_funccal = &fc;
|
|
|
9526 fc.firstline.var_type = VAR_NUMBER;
|
|
|
9527 fc.firstline.var_val.var_number = firstline;
|
|
|
9528 fc.firstline.var_name = NULL;
|
|
|
9529 fc.lastline.var_type = VAR_NUMBER;
|
|
|
9530 fc.lastline.var_val.var_number = lastline;
|
|
|
9531 fc.lastline.var_name = NULL;
|
|
|
9532 /* Check if this function has a breakpoint. */
|
|
|
9533 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
9534 fc.dbg_tick = debug_tick;
|
|
|
9535
|
|
|
9536 /* Don't redraw while executing the function. */
|
|
|
9537 ++RedrawingDisabled;
|
|
|
9538 save_sourcing_name = sourcing_name;
|
|
|
9539 save_sourcing_lnum = sourcing_lnum;
|
|
|
9540 sourcing_lnum = 1;
|
|
|
9541 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
9542 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
9543 if (sourcing_name != NULL)
|
|
|
9544 {
|
|
|
9545 if (save_sourcing_name != NULL
|
|
|
9546 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
9547 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
9548 else
|
|
|
9549 STRCPY(sourcing_name, "function ");
|
|
|
9550 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
9551
|
|
|
9552 if (p_verbose >= 12)
|
|
|
9553 {
|
|
|
9554 ++no_wait_return;
|
|
|
9555 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9556 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
9557 if (p_verbose >= 14)
|
|
|
9558 {
|
|
|
9559 int i;
|
|
|
9560 char_u buf[MSG_BUF_LEN];
|
|
|
9561
|
|
|
9562 msg_puts((char_u *)"(");
|
|
|
9563 for (i = 0; i < argcount; ++i)
|
|
|
9564 {
|
|
|
9565 if (i > 0)
|
|
|
9566 msg_puts((char_u *)", ");
|
|
|
9567 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
9568 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
9569 else
|
|
|
9570 {
|
|
|
9571 trunc_string(get_var_string(&argvars[i]),
|
|
|
9572 buf, MSG_BUF_LEN);
|
|
|
9573 msg_puts((char_u *)"\"");
|
|
|
9574 msg_puts(buf);
|
|
|
9575 msg_puts((char_u *)"\"");
|
|
|
9576 }
|
|
|
9577 }
|
|
|
9578 msg_puts((char_u *)")");
|
|
|
9579 }
|
|
|
9580 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9581 cmdline_row = msg_row;
|
|
|
9582 --no_wait_return;
|
|
|
9583 }
|
|
|
9584 }
|
|
|
9585 save_current_SID = current_SID;
|
|
|
9586 current_SID = fp->script_ID;
|
|
|
9587 save_did_emsg = did_emsg;
|
|
|
9588 did_emsg = FALSE;
|
|
|
9589
|
|
|
9590 /* call do_cmdline() to execute the lines */
|
|
|
9591 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
9592 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
9593
|
|
|
9594 --RedrawingDisabled;
|
|
|
9595
|
|
|
9596 /* when the function was aborted because of an error, return -1 */
|
|
|
9597 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
9598 {
|
|
|
9599 clear_var(retvar);
|
|
|
9600 retvar->var_type = VAR_NUMBER;
|
|
|
9601 retvar->var_val.var_number = -1;
|
|
|
9602 }
|
|
|
9603
|
|
|
9604 /* when being verbose, mention the return value */
|
|
|
9605 if (p_verbose >= 12)
|
|
|
9606 {
|
|
|
9607 char_u *sn, *val;
|
|
|
9608
|
|
|
9609 ++no_wait_return;
|
|
|
9610 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9611
|
|
|
9612 /* Make sure the output fits in IObuff. */
|
|
|
9613 sn = sourcing_name;
|
|
|
9614 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
9615 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
9616
|
|
|
9617 if (aborting())
|
|
|
9618 smsg((char_u *)_("%s aborted"), sn);
|
|
|
9619 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
9620 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
9621 (long)fc.retvar->var_val.var_number);
|
|
|
9622 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
9623 {
|
|
|
9624 val = get_var_string(fc.retvar);
|
|
|
9625 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
9626 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
9627 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
9628 }
|
|
|
9629 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9630 cmdline_row = msg_row;
|
|
|
9631 --no_wait_return;
|
|
|
9632 }
|
|
|
9633
|
|
|
9634 vim_free(sourcing_name);
|
|
|
9635 sourcing_name = save_sourcing_name;
|
|
|
9636 sourcing_lnum = save_sourcing_lnum;
|
|
|
9637 current_SID = save_current_SID;
|
|
|
9638
|
|
|
9639 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
9640 {
|
|
|
9641 ++no_wait_return;
|
|
|
9642 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9643 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
9644 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9645 cmdline_row = msg_row;
|
|
|
9646 --no_wait_return;
|
|
|
9647 }
|
|
|
9648
|
|
|
9649 did_emsg |= save_did_emsg;
|
|
|
9650 current_funccal = save_fcp;
|
|
|
9651
|
|
|
9652 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
9653 --depth;
|
|
|
9654 }
|
|
|
9655
|
|
|
9656 /*
|
|
|
9657 * ":return [expr]"
|
|
|
9658 */
|
|
|
9659 void
|
|
|
9660 ex_return(eap)
|
|
|
9661 exarg_T *eap;
|
|
|
9662 {
|
|
|
9663 char_u *arg = eap->arg;
|
|
|
9664 var retvar;
|
|
|
9665 int returning = FALSE;
|
|
|
9666
|
|
|
9667 if (current_funccal == NULL)
|
|
|
9668 {
|
|
|
9669 EMSG(_("E133: :return not inside a function"));
|
|
|
9670 return;
|
|
|
9671 }
|
|
|
9672
|
|
|
9673 if (eap->skip)
|
|
|
9674 ++emsg_skip;
|
|
|
9675
|
|
|
9676 eap->nextcmd = NULL;
|
|
|
9677 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9678 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
9679 {
|
|
|
9680 if (!eap->skip)
|
|
|
9681 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
9682 else
|
|
|
9683 clear_var(&retvar);
|
|
|
9684 }
|
|
|
9685 /* It's safer to return also on error. */
|
|
|
9686 else if (!eap->skip)
|
|
|
9687 {
|
|
|
9688 /*
|
|
|
9689 * Return unless the expression evaluation has been cancelled due to an
|
|
|
9690 * aborting error, an interrupt, or an exception.
|
|
|
9691 */
|
|
|
9692 if (!aborting())
|
|
|
9693 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
9694 }
|
|
|
9695
|
|
|
9696 /* When skipping or the return gets pending, advance to the next command
|
|
|
9697 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
9698 * Following lines will be ignored by get_func_line(). */
|
|
|
9699 if (returning)
|
|
|
9700 eap->nextcmd = NULL;
|
|
|
9701 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
9702 eap->nextcmd = check_nextcmd(arg);
|
|
|
9703
|
|
|
9704 if (eap->skip)
|
|
|
9705 --emsg_skip;
|
|
|
9706 }
|
|
|
9707
|
|
|
9708 /*
|
|
|
9709 * Return from a function. Possibly makes the return pending. Also called
|
|
|
9710 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
9711 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
9712 * when called due to a ":return" command. "value" may point to a variable
|
|
|
9713 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
9714 * FALSE when the return gets pending.
|
|
|
9715 */
|
|
|
9716 int
|
|
|
9717 do_return(eap, reanimate, is_cmd, value)
|
|
|
9718 exarg_T *eap;
|
|
|
9719 int reanimate;
|
|
|
9720 int is_cmd;
|
|
|
9721 void *value;
|
|
|
9722 {
|
|
|
9723 int idx;
|
|
|
9724 struct condstack *cstack = eap->cstack;
|
|
|
9725
|
|
|
9726 if (reanimate)
|
|
|
9727 /* Undo the return. */
|
|
|
9728 current_funccal->returned = FALSE;
|
|
|
9729
|
|
|
9730 /*
|
|
|
9731 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
9732 * not in its finally clause (which then is to be executed next) is found.
|
|
|
9733 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
9734 * Otherwise, return normally.
|
|
|
9735 */
|
|
|
9736 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
9737 if (idx >= 0)
|
|
|
9738 {
|
|
|
9739 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
9740
|
|
|
9741 if (!is_cmd && !reanimate)
|
|
|
9742 /* A pending return again gets pending. "value" points to an
|
|
|
9743 * allocated variable with the value of the original ":return"'s
|
|
|
9744 * argument if present or is NULL else. */
|
|
|
9745 cstack->cs_retvar[idx] = value;
|
|
|
9746 else
|
|
|
9747 {
|
|
|
9748 /* When undoing a return in order to make it pending, get the stored
|
|
|
9749 * return value. */
|
|
|
9750 if (reanimate)
|
|
|
9751 value = current_funccal->retvar;
|
|
|
9752
|
|
|
9753 if (value != NULL)
|
|
|
9754 {
|
|
|
9755 /* Store the value of the pending return. */
|
|
|
9756 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
9757 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
9758 else
|
|
|
9759 EMSG(_(e_outofmem));
|
|
|
9760 }
|
|
|
9761 else
|
|
|
9762 cstack->cs_retvar[idx] = NULL;
|
|
|
9763
|
|
|
9764 if (reanimate)
|
|
|
9765 {
|
|
|
9766 /* The pending return value could be overwritten by a ":return"
|
|
|
9767 * without argument in a finally clause; reset the default
|
|
|
9768 * return value. */
|
|
|
9769 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
9770 current_funccal->retvar->var_val.var_number = 0;
|
|
|
9771 }
|
|
|
9772 }
|
|
|
9773 report_make_pending(CSTP_RETURN, value);
|
|
|
9774 }
|
|
|
9775 else
|
|
|
9776 {
|
|
|
9777 current_funccal->returned = TRUE;
|
|
|
9778
|
|
|
9779 /* If the return is carried out now, store the return value. For
|
|
|
9780 * a return immediately after reanimation, the value is already
|
|
|
9781 * there. */
|
|
|
9782 if (!reanimate && value != NULL)
|
|
|
9783 {
|
|
|
9784 clear_var(current_funccal->retvar);
|
|
|
9785 *current_funccal->retvar = *(VAR)value;
|
|
|
9786 if (!is_cmd)
|
|
|
9787 vim_free(value);
|
|
|
9788 }
|
|
|
9789 }
|
|
|
9790
|
|
|
9791 return idx < 0;
|
|
|
9792 }
|
|
|
9793
|
|
|
9794 /*
|
|
|
9795 * Free the variable with a pending return value.
|
|
|
9796 */
|
|
|
9797 void
|
|
|
9798 discard_pending_return(retvar)
|
|
|
9799 void *retvar;
|
|
|
9800 {
|
|
|
9801 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
9802 * use free_var() to clear and free it. */
|
|
|
9803 clear_var((VAR)retvar);
|
|
|
9804 vim_free(retvar);
|
|
|
9805 }
|
|
|
9806
|
|
|
9807 /*
|
|
|
9808 * Generate a return command for producing the value of "retvar". The result
|
|
|
9809 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
9810 */
|
|
|
9811 char_u *
|
|
|
9812 get_return_cmd(retvar)
|
|
|
9813 void *retvar;
|
|
|
9814 {
|
|
|
9815 char_u *s = IObuff;
|
|
|
9816
|
|
|
9817 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
9818 s = (char_u *)":return";
|
|
|
9819 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
9820 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
9821 ((VAR)retvar)->var_val.var_string);
|
|
|
9822 else
|
|
|
9823 sprintf((char *)IObuff, ":return %ld",
|
|
|
9824 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
9825 return vim_strsave(s);
|
|
|
9826 }
|
|
|
9827
|
|
|
9828 /*
|
|
|
9829 * Get next function line.
|
|
|
9830 * Called by do_cmdline() to get the next line.
|
|
|
9831 * Returns allocated string, or NULL for end of function.
|
|
|
9832 */
|
|
|
9833 /* ARGSUSED */
|
|
|
9834 char_u *
|
|
|
9835 get_func_line(c, cookie, indent)
|
|
|
9836 int c; /* not used */
|
|
|
9837 void *cookie;
|
|
|
9838 int indent; /* not used */
|
|
|
9839 {
|
|
|
9840 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9841 char_u *retval;
|
|
|
9842 garray_T *gap; /* growarray with function lines */
|
|
|
9843
|
|
|
9844 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
9845 if (fcp->dbg_tick != debug_tick)
|
|
|
9846 {
|
|
|
9847 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9848 sourcing_lnum);
|
|
|
9849 fcp->dbg_tick = debug_tick;
|
|
|
9850 }
|
|
|
9851
|
|
|
9852 gap = &fcp->func->lines;
|
|
|
9853 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9854 retval = NULL;
|
|
|
9855 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
9856 retval = NULL;
|
|
|
9857 else
|
|
|
9858 {
|
|
|
9859 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
9860 sourcing_lnum = fcp->linenr;
|
|
|
9861 }
|
|
|
9862
|
|
|
9863 /* Did we encounter a breakpoint? */
|
|
|
9864 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
9865 {
|
|
|
9866 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
9867 /* Find next breakpoint. */
|
|
|
9868 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9869 sourcing_lnum);
|
|
|
9870 fcp->dbg_tick = debug_tick;
|
|
|
9871 }
|
|
|
9872
|
|
|
9873 return retval;
|
|
|
9874 }
|
|
|
9875
|
|
|
9876 /*
|
|
|
9877 * Return TRUE if the currently active function should be ended, because a
|
|
|
9878 * return was encountered or an error occured. Used inside a ":while".
|
|
|
9879 */
|
|
|
9880 int
|
|
|
9881 func_has_ended(cookie)
|
|
|
9882 void *cookie;
|
|
|
9883 {
|
|
|
9884 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9885
|
|
|
9886 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
9887 * an error inside a try conditional. */
|
|
|
9888 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9889 || fcp->returned);
|
|
|
9890 }
|
|
|
9891
|
|
|
9892 /*
|
|
|
9893 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
9894 */
|
|
|
9895 int
|
|
|
9896 func_has_abort(cookie)
|
|
|
9897 void *cookie;
|
|
|
9898 {
|
|
|
9899 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
9900 }
|
|
|
9901
|
|
|
9902 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
9903 typedef enum
|
|
|
9904 {
|
|
|
9905 VAR_FLAVOUR_DEFAULT,
|
|
|
9906 VAR_FLAVOUR_SESSION,
|
|
|
9907 VAR_FLAVOUR_VIMINFO
|
|
|
9908 } var_flavour_T;
|
|
|
9909
|
|
|
9910 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
9911
|
|
|
9912 static var_flavour_T
|
|
|
9913 var_flavour(varname)
|
|
|
9914 char_u *varname;
|
|
|
9915 {
|
|
|
9916 char_u *p = varname;
|
|
|
9917
|
|
|
9918 if (ASCII_ISUPPER(*p))
|
|
|
9919 {
|
|
|
9920 while (*(++p))
|
|
|
9921 if (ASCII_ISLOWER(*p))
|
|
|
9922 return VAR_FLAVOUR_SESSION;
|
|
|
9923 return VAR_FLAVOUR_VIMINFO;
|
|
|
9924 }
|
|
|
9925 else
|
|
|
9926 return VAR_FLAVOUR_DEFAULT;
|
|
|
9927 }
|
|
|
9928 #endif
|
|
|
9929
|
|
|
9930 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
9931 /*
|
|
|
9932 * Restore global vars that start with a capital from the viminfo file
|
|
|
9933 */
|
|
|
9934 int
|
|
|
9935 read_viminfo_varlist(virp, writing)
|
|
|
9936 vir_T *virp;
|
|
|
9937 int writing;
|
|
|
9938 {
|
|
|
9939 char_u *tab;
|
|
|
9940 int is_string = FALSE;
|
|
|
9941 VAR varp = NULL;
|
|
|
9942 char_u *val;
|
|
|
9943
|
|
|
9944 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
9945 {
|
|
|
9946 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
9947 if (tab != NULL)
|
|
|
9948 {
|
|
|
9949 *tab++ = '\0'; /* isolate the variable name */
|
|
|
9950 if (*tab == 'S') /* string var */
|
|
|
9951 is_string = TRUE;
|
|
|
9952
|
|
|
9953 tab = vim_strchr(tab, '\t');
|
|
|
9954 if (tab != NULL)
|
|
|
9955 {
|
|
|
9956 /* create a nameless variable to hold the value */
|
|
|
9957 if (is_string)
|
|
|
9958 {
|
|
|
9959 val = viminfo_readstring(virp,
|
|
|
9960 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
9961 if (val != NULL)
|
|
|
9962 varp = alloc_string_var(val);
|
|
|
9963 }
|
|
|
9964 else
|
|
|
9965 {
|
|
|
9966 varp = alloc_var();
|
|
|
9967 if (varp != NULL)
|
|
|
9968 {
|
|
|
9969 varp->var_type = VAR_NUMBER;
|
|
|
9970 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
9971 }
|
|
|
9972 }
|
|
|
9973 /* assign the value to the variable */
|
|
|
9974 if (varp != NULL)
|
|
|
9975 {
|
|
|
9976 set_var(virp->vir_line + 1, varp);
|
|
|
9977 free_var(varp);
|
|
|
9978 }
|
|
|
9979 }
|
|
|
9980 }
|
|
|
9981 }
|
|
|
9982
|
|
|
9983 return viminfo_readline(virp);
|
|
|
9984 }
|
|
|
9985
|
|
|
9986 /*
|
|
|
9987 * Write global vars that start with a capital to the viminfo file
|
|
|
9988 */
|
|
|
9989 void
|
|
|
9990 write_viminfo_varlist(fp)
|
|
|
9991 FILE *fp;
|
|
|
9992 {
|
|
|
9993 garray_T *gap = &variables; /* global variable */
|
|
|
9994 VAR this_var;
|
|
|
9995 int i;
|
|
|
9996
|
|
|
9997 if (find_viminfo_parameter('!') == NULL)
|
|
|
9998 return;
|
|
|
9999
|
|
|
10000 fprintf(fp, _("\n# global variables:\n"));
|
|
|
10001 for (i = gap->ga_len; --i >= 0; )
|
|
|
10002 {
|
|
|
10003 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10004 if (this_var->var_name != NULL
|
|
|
10005 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
10006 {
|
|
|
10007 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
10008 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
10009 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
10010 }
|
|
|
10011 }
|
|
|
10012 }
|
|
|
10013 #endif
|
|
|
10014
|
|
|
10015 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
10016 int
|
|
|
10017 store_session_globals(fd)
|
|
|
10018 FILE *fd;
|
|
|
10019 {
|
|
|
10020 garray_T *gap = &variables; /* global variable */
|
|
|
10021 VAR this_var;
|
|
|
10022 int i;
|
|
|
10023 char_u *p, *t;
|
|
|
10024
|
|
|
10025 for (i = gap->ga_len; --i >= 0; )
|
|
|
10026 {
|
|
|
10027 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10028 if (this_var->var_name != NULL)
|
|
|
10029 {
|
|
|
10030 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10031 {
|
|
|
10032 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10033 * CR into \n and \r. */
|
|
|
10034 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10035 (char_u *)"\\\"\n\r");
|
|
|
10036 if (p == NULL) /* out of memory */
|
|
|
10037 continue;
|
|
|
10038 for (t = p; *t != NUL; ++t)
|
|
|
10039 if (*t == '\n')
|
|
|
10040 *t = 'n';
|
|
|
10041 else if (*t == '\r')
|
|
|
10042 *t = 'r';
|
|
|
10043 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10044 this_var->var_name,
|
|
|
10045 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10046 p,
|
|
|
10047 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10048 || put_eol(fd) == FAIL)
|
|
|
10049 {
|
|
|
10050 vim_free(p);
|
|
|
10051 return FAIL;
|
|
|
10052 }
|
|
|
10053 vim_free(p);
|
|
|
10054 }
|
|
|
10055
|
|
|
10056 }
|
|
|
10057 }
|
|
|
10058 return OK;
|
|
|
10059 }
|
|
|
10060 #endif
|
|
|
10061
|
|
|
10062 #endif /* FEAT_EVAL */
|
|
|
10063
|
|
|
10064 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10065
|
|
|
10066
|
|
|
10067 #ifdef WIN3264
|
|
|
10068 /*
|
|
|
10069 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10070 */
|
|
|
10071 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10072 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10073 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10074
|
|
|
10075 /*
|
|
|
10076 * Get the short pathname of a file.
|
|
|
10077 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10078 */
|
|
|
10079 static int
|
|
|
10080 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10081 char_u **fnamep;
|
|
|
10082 char_u **bufp;
|
|
|
10083 int *fnamelen;
|
|
|
10084 {
|
|
|
10085 int l,len;
|
|
|
10086 char_u *newbuf;
|
|
|
10087
|
|
|
10088 len = *fnamelen;
|
|
|
10089
|
|
|
10090 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10091 if (l > len - 1)
|
|
|
10092 {
|
|
|
10093 /* If that doesn't work (not enough space), then save the string
|
|
|
10094 * and try again with a new buffer big enough
|
|
|
10095 */
|
|
|
10096 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10097 if (newbuf == NULL)
|
|
|
10098 return 0;
|
|
|
10099
|
|
|
10100 vim_free(*bufp);
|
|
|
10101 *fnamep = *bufp = newbuf;
|
|
|
10102
|
|
|
10103 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10104
|
|
|
10105 /* Really should always succeed, as the buffer is big enough */
|
|
|
10106 }
|
|
|
10107
|
|
|
10108 *fnamelen = l;
|
|
|
10109 return 1;
|
|
|
10110 }
|
|
|
10111
|
|
|
10112 /*
|
|
|
10113 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10114 * Doesn't copy over the end of the buffer passed in.
|
|
|
10115 */
|
|
|
10116 static int
|
|
|
10117 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10118 char_u **fname;
|
|
|
10119 char_u **bufp;
|
|
|
10120 int *fnamelen;
|
|
|
10121 {
|
|
|
10122 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10123 char_u ch;
|
|
|
10124 int l,len,len2,plen,slen;
|
|
|
10125
|
|
|
10126 /* Make a copy */
|
|
|
10127 len2 = *fnamelen;
|
|
|
10128 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10129 pbuf3 = NULL;
|
|
|
10130
|
|
|
10131 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10132 slen = 1;
|
|
|
10133 plen = len2;
|
|
|
10134
|
|
|
10135 l = 0;
|
|
|
10136 if (vim_ispathsep(*s))
|
|
|
10137 {
|
|
|
10138 --s;
|
|
|
10139 ++slen;
|
|
|
10140 --plen;
|
|
|
10141 }
|
|
|
10142
|
|
|
10143 do
|
|
|
10144 {
|
|
|
10145 /* Go back one path-seperator */
|
|
|
10146 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10147 {
|
|
|
10148 --s;
|
|
|
10149 ++slen;
|
|
|
10150 --plen;
|
|
|
10151 }
|
|
|
10152 if (s <= pbuf2)
|
|
|
10153 break;
|
|
|
10154
|
|
|
10155 /* Remeber the character that is about to be blatted */
|
|
|
10156 ch = *s;
|
|
|
10157 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10158
|
|
|
10159 /* Try it in situ */
|
|
|
10160 p = pbuf2;
|
|
|
10161 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10162 {
|
|
|
10163 vim_free(pbuf2);
|
|
|
10164 return -1;
|
|
|
10165 }
|
|
|
10166 *s = ch; /* Preserve the string */
|
|
|
10167 } while (plen == 0);
|
|
|
10168
|
|
|
10169 if (plen > 0)
|
|
|
10170 {
|
|
|
10171 /* Remeber the length of the new string. */
|
|
|
10172 *fnamelen = len = plen + slen;
|
|
|
10173 vim_free(*bufp);
|
|
|
10174 if (len > len2)
|
|
|
10175 {
|
|
|
10176 /* If there's not enough space in the currently allocated string,
|
|
|
10177 * then copy it to a buffer big enough.
|
|
|
10178 */
|
|
|
10179 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10180 if (*fname == NULL)
|
|
|
10181 return -1;
|
|
|
10182 }
|
|
|
10183 else
|
|
|
10184 {
|
|
|
10185 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10186 *fname = *bufp = pbuf2;
|
|
|
10187 if (p != pbuf2)
|
|
|
10188 strncpy(*fname, p, plen);
|
|
|
10189 pbuf2 = NULL;
|
|
|
10190 }
|
|
|
10191 /* Concat the next bit */
|
|
|
10192 strncpy(*fname + plen, s, slen);
|
|
|
10193 (*fname)[len] = '\0';
|
|
|
10194 }
|
|
|
10195 vim_free(pbuf3);
|
|
|
10196 vim_free(pbuf2);
|
|
|
10197 return 0;
|
|
|
10198 }
|
|
|
10199
|
|
|
10200 /*
|
|
|
10201 * Get a pathname for a partial path.
|
|
|
10202 */
|
|
|
10203 static int
|
|
|
10204 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10205 char_u **fnamep;
|
|
|
10206 char_u **bufp;
|
|
|
10207 int *fnamelen;
|
|
|
10208 {
|
|
|
10209 int sepcount, len, tflen;
|
|
|
10210 char_u *p;
|
|
|
10211 char_u *pbuf, *tfname;
|
|
|
10212 int hasTilde;
|
|
|
10213
|
|
|
10214 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10215 * of the path to return.
|
|
|
10216 */
|
|
|
10217 sepcount = 0;
|
|
|
10218 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10219 if (vim_ispathsep(*p))
|
|
|
10220 ++sepcount;
|
|
|
10221
|
|
|
10222 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10223 hasTilde = (**fnamep == '~');
|
|
|
10224 if (hasTilde)
|
|
|
10225 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10226 else
|
|
|
10227 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10228
|
|
|
10229 len = tflen = STRLEN(tfname);
|
|
|
10230
|
|
|
10231 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10232 return -1;
|
|
|
10233
|
|
|
10234 if (len == 0)
|
|
|
10235 {
|
|
|
10236 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10237 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10238 * there's not a lot of point in guessing what it might be.
|
|
|
10239 */
|
|
|
10240 len = tflen;
|
|
|
10241 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10242 return -1;
|
|
|
10243 }
|
|
|
10244
|
|
|
10245 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10246 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10247 if (vim_ispathsep(*p))
|
|
|
10248 {
|
|
|
10249 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10250 break;
|
|
|
10251 else
|
|
|
10252 sepcount --;
|
|
|
10253 }
|
|
|
10254 if (hasTilde)
|
|
|
10255 {
|
|
|
10256 --p;
|
|
|
10257 if (p >= tfname)
|
|
|
10258 *p = '~';
|
|
|
10259 else
|
|
|
10260 return -1;
|
|
|
10261 }
|
|
|
10262 else
|
|
|
10263 ++p;
|
|
|
10264
|
|
|
10265 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10266 vim_free(*bufp);
|
|
|
10267 *fnamelen = (int)STRLEN(p);
|
|
|
10268 *bufp = pbuf;
|
|
|
10269 *fnamep = p;
|
|
|
10270
|
|
|
10271 return 0;
|
|
|
10272 }
|
|
|
10273 #endif /* WIN3264 */
|
|
|
10274
|
|
|
10275 /*
|
|
|
10276 * Adjust a filename, according to a string of modifiers.
|
|
|
10277 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10278 * determined by *fnamelen.
|
|
|
10279 * Returns valid flags.
|
|
|
10280 * When there is an error, *fnamep is set to NULL.
|
|
|
10281 */
|
|
|
10282 int
|
|
|
10283 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10284 char_u *src; /* string with modifiers */
|
|
|
10285 int *usedlen; /* characters after src that are used */
|
|
|
10286 char_u **fnamep; /* file name so far */
|
|
|
10287 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10288 int *fnamelen; /* length of fnamep */
|
|
|
10289 {
|
|
|
10290 int valid = 0;
|
|
|
10291 char_u *tail;
|
|
|
10292 char_u *s, *p, *pbuf;
|
|
|
10293 char_u dirname[MAXPATHL];
|
|
|
10294 int c;
|
|
|
10295 int has_fullname = 0;
|
|
|
10296 #ifdef WIN3264
|
|
|
10297 int has_shortname = 0;
|
|
|
10298 #endif
|
|
|
10299
|
|
|
10300 repeat:
|
|
|
10301 /* ":p" - full path/file_name */
|
|
|
10302 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10303 {
|
|
|
10304 has_fullname = 1;
|
|
|
10305
|
|
|
10306 valid |= VALID_PATH;
|
|
|
10307 *usedlen += 2;
|
|
|
10308
|
|
|
10309 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10310 if ((*fnamep)[0] == '~'
|
|
|
10311 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10312 && ((*fnamep)[1] == '/'
|
|
|
10313 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10314 || (*fnamep)[1] == '\\'
|
|
|
10315 # endif
|
|
|
10316 || (*fnamep)[1] == NUL)
|
|
|
10317
|
|
|
10318 #endif
|
|
|
10319 )
|
|
|
10320 {
|
|
|
10321 *fnamep = expand_env_save(*fnamep);
|
|
|
10322 vim_free(*bufp); /* free any allocated file name */
|
|
|
10323 *bufp = *fnamep;
|
|
|
10324 if (*fnamep == NULL)
|
|
|
10325 return -1;
|
|
|
10326 }
|
|
|
10327
|
|
|
10328 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
10329 for (p = *fnamep; *p != NUL; ++p)
|
|
|
10330 {
|
|
|
10331 if (vim_ispathsep(*p)
|
|
|
10332 && p[1] == '.'
|
|
|
10333 && (p[2] == NUL
|
|
|
10334 || vim_ispathsep(p[2])
|
|
|
10335 || (p[2] == '.'
|
|
|
10336 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
10337 break;
|
|
|
10338 }
|
|
|
10339
|
|
|
10340 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
10341 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
10342 {
|
|
|
10343 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
10344 vim_free(*bufp); /* free any allocated file name */
|
|
|
10345 *bufp = *fnamep;
|
|
|
10346 if (*fnamep == NULL)
|
|
|
10347 return -1;
|
|
|
10348 }
|
|
|
10349
|
|
|
10350 /* Append a path separator to a directory. */
|
|
|
10351 if (mch_isdir(*fnamep))
|
|
|
10352 {
|
|
|
10353 /* Make room for one or two extra characters. */
|
|
|
10354 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
10355 vim_free(*bufp); /* free any allocated file name */
|
|
|
10356 *bufp = *fnamep;
|
|
|
10357 if (*fnamep == NULL)
|
|
|
10358 return -1;
|
|
|
10359 add_pathsep(*fnamep);
|
|
|
10360 }
|
|
|
10361 }
|
|
|
10362
|
|
|
10363 /* ":." - path relative to the current directory */
|
|
|
10364 /* ":~" - path relative to the home directory */
|
|
|
10365 /* ":8" - shortname path - postponed till after */
|
|
|
10366 while (src[*usedlen] == ':'
|
|
|
10367 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
10368 {
|
|
|
10369 *usedlen += 2;
|
|
|
10370 if (c == '8')
|
|
|
10371 {
|
|
|
10372 #ifdef WIN3264
|
|
|
10373 has_shortname = 1; /* Postpone this. */
|
|
|
10374 #endif
|
|
|
10375 continue;
|
|
|
10376 }
|
|
|
10377 pbuf = NULL;
|
|
|
10378 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10379 if (!has_fullname)
|
|
|
10380 {
|
|
|
10381 if (c == '.' && **fnamep == '~')
|
|
|
10382 p = pbuf = expand_env_save(*fnamep);
|
|
|
10383 else
|
|
|
10384 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
10385 }
|
|
|
10386 else
|
|
|
10387 p = *fnamep;
|
|
|
10388
|
|
|
10389 has_fullname = 0;
|
|
|
10390
|
|
|
10391 if (p != NULL)
|
|
|
10392 {
|
|
|
10393 if (c == '.')
|
|
|
10394 {
|
|
|
10395 mch_dirname(dirname, MAXPATHL);
|
|
|
10396 s = shorten_fname(p, dirname);
|
|
|
10397 if (s != NULL)
|
|
|
10398 {
|
|
|
10399 *fnamep = s;
|
|
|
10400 if (pbuf != NULL)
|
|
|
10401 {
|
|
|
10402 vim_free(*bufp); /* free any allocated file name */
|
|
|
10403 *bufp = pbuf;
|
|
|
10404 pbuf = NULL;
|
|
|
10405 }
|
|
|
10406 }
|
|
|
10407 }
|
|
|
10408 else
|
|
|
10409 {
|
|
|
10410 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
10411 /* Only replace it when it starts with '~' */
|
|
|
10412 if (*dirname == '~')
|
|
|
10413 {
|
|
|
10414 s = vim_strsave(dirname);
|
|
|
10415 if (s != NULL)
|
|
|
10416 {
|
|
|
10417 *fnamep = s;
|
|
|
10418 vim_free(*bufp);
|
|
|
10419 *bufp = s;
|
|
|
10420 }
|
|
|
10421 }
|
|
|
10422 }
|
|
|
10423 vim_free(pbuf);
|
|
|
10424 }
|
|
|
10425 }
|
|
|
10426
|
|
|
10427 tail = gettail(*fnamep);
|
|
|
10428 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
10429
|
|
|
10430 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
10431 /* Don't remove the first "/" or "c:\" */
|
|
|
10432 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
10433 {
|
|
|
10434 valid |= VALID_HEAD;
|
|
|
10435 *usedlen += 2;
|
|
|
10436 s = get_past_head(*fnamep);
|
|
|
10437 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
10438 --tail;
|
|
|
10439 *fnamelen = (int)(tail - *fnamep);
|
|
|
10440 #ifdef VMS
|
|
|
10441 if (*fnamelen > 0)
|
|
|
10442 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
10443 #endif
|
|
|
10444 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
10445 --tail;
|
|
|
10446 }
|
|
|
10447
|
|
|
10448 /* ":8" - shortname */
|
|
|
10449 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
10450 {
|
|
|
10451 *usedlen += 2;
|
|
|
10452 #ifdef WIN3264
|
|
|
10453 has_shortname = 1;
|
|
|
10454 #endif
|
|
|
10455 }
|
|
|
10456
|
|
|
10457 #ifdef WIN3264
|
|
|
10458 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
10459 */
|
|
|
10460 if (has_shortname)
|
|
|
10461 {
|
|
|
10462 pbuf = NULL;
|
|
|
10463 /* Copy the string if it is shortened by :h */
|
|
|
10464 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
10465 {
|
|
|
10466 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10467 if (p == 0)
|
|
|
10468 return -1;
|
|
|
10469 vim_free(*bufp);
|
|
|
10470 *bufp = *fnamep = p;
|
|
|
10471 }
|
|
|
10472
|
|
|
10473 /* Split into two implementations - makes it easier. First is where
|
|
|
10474 * there isn't a full name already, second is where there is.
|
|
|
10475 */
|
|
|
10476 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
10477 {
|
|
|
10478 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
10479 return -1;
|
|
|
10480 }
|
|
|
10481 else
|
|
|
10482 {
|
|
|
10483 int l;
|
|
|
10484
|
|
|
10485 /* Simple case, already have the full-name
|
|
|
10486 * Nearly always shorter, so try first time. */
|
|
|
10487 l = *fnamelen;
|
|
|
10488 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
10489 return -1;
|
|
|
10490
|
|
|
10491 if (l == 0)
|
|
|
10492 {
|
|
|
10493 /* Couldn't find the filename.. search the paths.
|
|
|
10494 */
|
|
|
10495 l = *fnamelen;
|
|
|
10496 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
10497 return -1;
|
|
|
10498 }
|
|
|
10499 *fnamelen = l;
|
|
|
10500 }
|
|
|
10501 }
|
|
|
10502 #endif /* WIN3264 */
|
|
|
10503
|
|
|
10504 /* ":t" - tail, just the basename */
|
|
|
10505 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
10506 {
|
|
|
10507 *usedlen += 2;
|
|
|
10508 *fnamelen -= (int)(tail - *fnamep);
|
|
|
10509 *fnamep = tail;
|
|
|
10510 }
|
|
|
10511
|
|
|
10512 /* ":e" - extension, can be repeated */
|
|
|
10513 /* ":r" - root, without extension, can be repeated */
|
|
|
10514 while (src[*usedlen] == ':'
|
|
|
10515 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
10516 {
|
|
|
10517 /* find a '.' in the tail:
|
|
|
10518 * - for second :e: before the current fname
|
|
|
10519 * - otherwise: The last '.'
|
|
|
10520 */
|
|
|
10521 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
10522 s = *fnamep - 2;
|
|
|
10523 else
|
|
|
10524 s = *fnamep + *fnamelen - 1;
|
|
|
10525 for ( ; s > tail; --s)
|
|
|
10526 if (s[0] == '.')
|
|
|
10527 break;
|
|
|
10528 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
10529 {
|
|
|
10530 if (s > tail)
|
|
|
10531 {
|
|
|
10532 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
10533 *fnamep = s + 1;
|
|
|
10534 #ifdef VMS
|
|
|
10535 /* cut version from the extension */
|
|
|
10536 s = *fnamep + *fnamelen - 1;
|
|
|
10537 for ( ; s > *fnamep; --s)
|
|
|
10538 if (s[0] == ';')
|
|
|
10539 break;
|
|
|
10540 if (s > *fnamep)
|
|
|
10541 *fnamelen = s - *fnamep;
|
|
|
10542 #endif
|
|
|
10543 }
|
|
|
10544 else if (*fnamep <= tail)
|
|
|
10545 *fnamelen = 0;
|
|
|
10546 }
|
|
|
10547 else /* :r */
|
|
|
10548 {
|
|
|
10549 if (s > tail) /* remove one extension */
|
|
|
10550 *fnamelen = (int)(s - *fnamep);
|
|
|
10551 }
|
|
|
10552 *usedlen += 2;
|
|
|
10553 }
|
|
|
10554
|
|
|
10555 /* ":s?pat?foo?" - substitute */
|
|
|
10556 /* ":gs?pat?foo?" - global substitute */
|
|
|
10557 if (src[*usedlen] == ':'
|
|
|
10558 && (src[*usedlen + 1] == 's'
|
|
|
10559 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
10560 {
|
|
|
10561 char_u *str;
|
|
|
10562 char_u *pat;
|
|
|
10563 char_u *sub;
|
|
|
10564 int sep;
|
|
|
10565 char_u *flags;
|
|
|
10566 int didit = FALSE;
|
|
|
10567
|
|
|
10568 flags = (char_u *)"";
|
|
|
10569 s = src + *usedlen + 2;
|
|
|
10570 if (src[*usedlen + 1] == 'g')
|
|
|
10571 {
|
|
|
10572 flags = (char_u *)"g";
|
|
|
10573 ++s;
|
|
|
10574 }
|
|
|
10575
|
|
|
10576 sep = *s++;
|
|
|
10577 if (sep)
|
|
|
10578 {
|
|
|
10579 /* find end of pattern */
|
|
|
10580 p = vim_strchr(s, sep);
|
|
|
10581 if (p != NULL)
|
|
|
10582 {
|
|
|
10583 pat = vim_strnsave(s, (int)(p - s));
|
|
|
10584 if (pat != NULL)
|
|
|
10585 {
|
|
|
10586 s = p + 1;
|
|
|
10587 /* find end of substitution */
|
|
|
10588 p = vim_strchr(s, sep);
|
|
|
10589 if (p != NULL)
|
|
|
10590 {
|
|
|
10591 sub = vim_strnsave(s, (int)(p - s));
|
|
|
10592 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10593 if (sub != NULL && str != NULL)
|
|
|
10594 {
|
|
|
10595 *usedlen = (int)(p + 1 - src);
|
|
|
10596 s = do_string_sub(str, pat, sub, flags);
|
|
|
10597 if (s != NULL)
|
|
|
10598 {
|
|
|
10599 *fnamep = s;
|
|
|
10600 *fnamelen = (int)STRLEN(s);
|
|
|
10601 vim_free(*bufp);
|
|
|
10602 *bufp = s;
|
|
|
10603 didit = TRUE;
|
|
|
10604 }
|
|
|
10605 }
|
|
|
10606 vim_free(sub);
|
|
|
10607 vim_free(str);
|
|
|
10608 }
|
|
|
10609 vim_free(pat);
|
|
|
10610 }
|
|
|
10611 }
|
|
|
10612 /* after using ":s", repeat all the modifiers */
|
|
|
10613 if (didit)
|
|
|
10614 goto repeat;
|
|
|
10615 }
|
|
|
10616 }
|
|
|
10617
|
|
|
10618 return valid;
|
|
|
10619 }
|
|
|
10620
|
|
|
10621 /*
|
|
|
10622 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
10623 * "flags" can be "g" to do a global substitute.
|
|
|
10624 * Returns an allocated string, NULL for error.
|
|
|
10625 */
|
|
|
10626 char_u *
|
|
|
10627 do_string_sub(str, pat, sub, flags)
|
|
|
10628 char_u *str;
|
|
|
10629 char_u *pat;
|
|
|
10630 char_u *sub;
|
|
|
10631 char_u *flags;
|
|
|
10632 {
|
|
|
10633 int sublen;
|
|
|
10634 regmatch_T regmatch;
|
|
|
10635 int i;
|
|
|
10636 int do_all;
|
|
|
10637 char_u *tail;
|
|
|
10638 garray_T ga;
|
|
|
10639 char_u *ret;
|
|
|
10640 char_u *save_cpo;
|
|
|
10641
|
|
|
10642 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
10643 save_cpo = p_cpo;
|
|
|
10644 p_cpo = (char_u *)"";
|
|
|
10645
|
|
|
10646 ga_init2(&ga, 1, 200);
|
|
|
10647
|
|
|
10648 do_all = (flags[0] == 'g');
|
|
|
10649
|
|
|
10650 regmatch.rm_ic = p_ic;
|
|
|
10651 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
10652 if (regmatch.regprog != NULL)
|
|
|
10653 {
|
|
|
10654 tail = str;
|
|
|
10655 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
10656 {
|
|
|
10657 /*
|
|
|
10658 * Get some space for a temporary buffer to do the substitution
|
|
|
10659 * into. It will contain:
|
|
|
10660 * - The text up to where the match is.
|
|
|
10661 * - The substituted text.
|
|
|
10662 * - The text after the match.
|
|
|
10663 */
|
|
|
10664 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
10665 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
10666 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
10667 {
|
|
|
10668 ga_clear(&ga);
|
|
|
10669 break;
|
|
|
10670 }
|
|
|
10671
|
|
|
10672 /* copy the text up to where the match is */
|
|
|
10673 i = (int)(regmatch.startp[0] - tail);
|
|
|
10674 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
10675 /* add the substituted text */
|
|
|
10676 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
10677 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
10678 ga.ga_len += i + sublen - 1;
|
|
|
10679 ga.ga_room -= i + sublen - 1;
|
|
|
10680 /* avoid getting stuck on a match with an empty string */
|
|
|
10681 if (tail == regmatch.endp[0])
|
|
|
10682 {
|
|
|
10683 if (*tail == NUL)
|
|
|
10684 break;
|
|
|
10685 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
10686 ++ga.ga_len;
|
|
|
10687 --ga.ga_room;
|
|
|
10688 }
|
|
|
10689 else
|
|
|
10690 {
|
|
|
10691 tail = regmatch.endp[0];
|
|
|
10692 if (*tail == NUL)
|
|
|
10693 break;
|
|
|
10694 }
|
|
|
10695 if (!do_all)
|
|
|
10696 break;
|
|
|
10697 }
|
|
|
10698
|
|
|
10699 if (ga.ga_data != NULL)
|
|
|
10700 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
10701
|
|
|
10702 vim_free(regmatch.regprog);
|
|
|
10703 }
|
|
|
10704
|
|
|
10705 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
10706 ga_clear(&ga);
|
|
|
10707 p_cpo = save_cpo;
|
|
|
10708
|
|
|
10709 return ret;
|
|
|
10710 }
|
|
|
10711
|
|
|
10712 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
