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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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11
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234 {"insertmode", sizeof("insertmode") - 1, NULL, VAR_STRING, VV_RO},
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7
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235 };
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236
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237 static int eval0 __ARGS((char_u *arg, VAR retvar, char_u **nextcmd, int evaluate));
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238 static int eval1 __ARGS((char_u **arg, VAR retvar, int evaluate));
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239 static int eval2 __ARGS((char_u **arg, VAR retvar, int evaluate));
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240 static int eval3 __ARGS((char_u **arg, VAR retvar, int evaluate));
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241 static int eval4 __ARGS((char_u **arg, VAR retvar, int evaluate));
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242 static int eval5 __ARGS((char_u **arg, VAR retvar, int evaluate));
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243 static int eval6 __ARGS((char_u **arg, VAR retvar, int evaluate));
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244 static int eval7 __ARGS((char_u **arg, VAR retvar, int evaluate));
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245 static int get_option_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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246 static int get_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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247 static int get_lit_string_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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248 static int get_env_var __ARGS((char_u **arg, VAR retvar, int evaluate));
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249 static int find_internal_func __ARGS((char_u *name));
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250 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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251 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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252 static void f_append __ARGS((VAR argvars, VAR retvar));
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253 static void f_argc __ARGS((VAR argvars, VAR retvar));
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254 static void f_argidx __ARGS((VAR argvars, VAR retvar));
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255 static void f_argv __ARGS((VAR argvars, VAR retvar));
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256 static void f_browse __ARGS((VAR argvars, VAR retvar));
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257 static buf_T *find_buffer __ARGS((VAR avar));
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258 static void f_bufexists __ARGS((VAR argvars, VAR retvar));
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259 static void f_buflisted __ARGS((VAR argvars, VAR retvar));
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260 static void f_bufloaded __ARGS((VAR argvars, VAR retvar));
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261 static buf_T *get_buf_var __ARGS((VAR avar));
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262 static void f_bufname __ARGS((VAR argvars, VAR retvar));
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263 static void f_bufnr __ARGS((VAR argvars, VAR retvar));
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264 static void f_bufwinnr __ARGS((VAR argvars, VAR retvar));
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265 static void f_byte2line __ARGS((VAR argvars, VAR retvar));
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266 static void f_char2nr __ARGS((VAR argvars, VAR retvar));
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267 static void f_cindent __ARGS((VAR argvars, VAR retvar));
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268 static void f_col __ARGS((VAR argvars, VAR retvar));
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269 static void f_confirm __ARGS((VAR argvars, VAR retvar));
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270 static void f_cscope_connection __ARGS((VAR argvars, VAR retvar));
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271 static void f_cursor __ARGS((VAR argsvars, VAR retvar));
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272 static void f_delete __ARGS((VAR argvars, VAR retvar));
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273 static void f_did_filetype __ARGS((VAR argvars, VAR retvar));
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274 static void f_escape __ARGS((VAR argvars, VAR retvar));
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275 static void f_eventhandler __ARGS((VAR argvars, VAR retvar));
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276 static void f_executable __ARGS((VAR argvars, VAR retvar));
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277 static void f_exists __ARGS((VAR argvars, VAR retvar));
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278 static void f_expand __ARGS((VAR argvars, VAR retvar));
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279 static void f_filereadable __ARGS((VAR argvars, VAR retvar));
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280 static void f_filewritable __ARGS((VAR argvars, VAR retvar));
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281 static void f_fnamemodify __ARGS((VAR argvars, VAR retvar));
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282 static void f_foldclosed __ARGS((VAR argvars, VAR retvar));
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283 static void f_foldclosedend __ARGS((VAR argvars, VAR retvar));
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284 static void foldclosed_both __ARGS((VAR argvars, VAR retvar, int end));
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285 static void f_foldlevel __ARGS((VAR argvars, VAR retvar));
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286 static void f_foldtext __ARGS((VAR argvars, VAR retvar));
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287 static void f_foreground __ARGS((VAR argvars, VAR retvar));
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288 static void f_getbufvar __ARGS((VAR argvars, VAR retvar));
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289 static void f_getchar __ARGS((VAR argvars, VAR retvar));
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290 static void f_getcharmod __ARGS((VAR argvars, VAR retvar));
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291 static void f_getcmdline __ARGS((VAR argvars, VAR retvar));
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292 static void f_getcmdpos __ARGS((VAR argvars, VAR retvar));
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293 static void f_getcwd __ARGS((VAR argvars, VAR retvar));
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294 static void f_getfsize __ARGS((VAR argvars, VAR retvar));
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295 static void f_getftime __ARGS((VAR argvars, VAR retvar));
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296 static void f_getline __ARGS((VAR argvars, VAR retvar));
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297 static void f_getreg __ARGS((VAR argvars, VAR retvar));
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298 static void f_getregtype __ARGS((VAR argvars, VAR retvar));
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299 static void f_getwinposx __ARGS((VAR argvars, VAR retvar));
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300 static void f_getwinposy __ARGS((VAR argvars, VAR retvar));
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301 static void f_getwinvar __ARGS((VAR argvars, VAR retvar));
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302 static void f_glob __ARGS((VAR argvars, VAR retvar));
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303 static void f_globpath __ARGS((VAR argvars, VAR retvar));
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304 static void f_has __ARGS((VAR argvars, VAR retvar));
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305 static void f_hasmapto __ARGS((VAR argvars, VAR retvar));
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306 static void f_histadd __ARGS((VAR argvars, VAR retvar));
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307 static void f_histdel __ARGS((VAR argvars, VAR retvar));
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308 static void f_histget __ARGS((VAR argvars, VAR retvar));
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309 static void f_histnr __ARGS((VAR argvars, VAR retvar));
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310 static void f_hlexists __ARGS((VAR argvars, VAR retvar));
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311 static void f_hlID __ARGS((VAR argvars, VAR retvar));
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312 static void f_hostname __ARGS((VAR argvars, VAR retvar));
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313 static void f_iconv __ARGS((VAR argvars, VAR retvar));
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314 static void f_indent __ARGS((VAR argvars, VAR retvar));
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315 static void f_isdirectory __ARGS((VAR argvars, VAR retvar));
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316 static void f_input __ARGS((VAR argvars, VAR retvar));
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317 static void f_inputdialog __ARGS((VAR argvars, VAR retvar));
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318 static void f_inputrestore __ARGS((VAR argvars, VAR retvar));
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319 static void f_inputsave __ARGS((VAR argvars, VAR retvar));
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320 static void f_inputsecret __ARGS((VAR argvars, VAR retvar));
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321 static void f_last_buffer_nr __ARGS((VAR argvars, VAR retvar));
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322 static void f_libcall __ARGS((VAR argvars, VAR retvar));
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323 static void f_libcallnr __ARGS((VAR argvars, VAR retvar));
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324 static void libcall_common __ARGS((VAR argvars, VAR retvar, int type));
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325 static void f_line __ARGS((VAR argvars, VAR retvar));
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326 static void f_line2byte __ARGS((VAR argvars, VAR retvar));
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327 static void f_lispindent __ARGS((VAR argvars, VAR retvar));
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328 static void f_localtime __ARGS((VAR argvars, VAR retvar));
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329 static void f_maparg __ARGS((VAR argvars, VAR retvar));
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330 static void f_mapcheck __ARGS((VAR argvars, VAR retvar));
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331 static void get_maparg __ARGS((VAR argvars, VAR retvar, int exact));
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332 static void f_match __ARGS((VAR argvars, VAR retvar));
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333 static void f_matchend __ARGS((VAR argvars, VAR retvar));
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334 static void f_matchstr __ARGS((VAR argvars, VAR retvar));
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335 static void f_mode __ARGS((VAR argvars, VAR retvar));
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336 static void f_nextnonblank __ARGS((VAR argvars, VAR retvar));
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337 static void f_nr2char __ARGS((VAR argvars, VAR retvar));
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338 static void f_prevnonblank __ARGS((VAR argvars, VAR retvar));
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|
339 static void f_setbufvar __ARGS((VAR argvars, VAR retvar));
|
|
|
340 static void f_setcmdpos __ARGS((VAR argvars, VAR retvar));
|
|
|
341 static void f_setwinvar __ARGS((VAR argvars, VAR retvar));
|
|
|
342 static void f_rename __ARGS((VAR argvars, VAR retvar));
|
|
|
343 static void f_resolve __ARGS((VAR argvars, VAR retvar));
|
|
|
344 static void f_search __ARGS((VAR argvars, VAR retvar));
|
|
|
345 static void f_searchpair __ARGS((VAR argvars, VAR retvar));
|
|
|
346 static int get_search_arg __ARGS((VAR varp, int *flagsp));
|
|
|
347 static void f_remote_expr __ARGS((VAR argvars, VAR retvar));
|
|
|
348 static void f_remote_foreground __ARGS((VAR argvars, VAR retvar));
|
|
|
349 static void f_remote_peek __ARGS((VAR argvars, VAR retvar));
|
|
|
350 static void f_remote_read __ARGS((VAR argvars, VAR retvar));
|
|
|
351 static void f_remote_send __ARGS((VAR argvars, VAR retvar));
|
|
|
352 static void f_server2client __ARGS((VAR argvars, VAR retvar));
|
|
|
353 static void f_serverlist __ARGS((VAR argvars, VAR retvar));
|
|
|
354 static void f_setline __ARGS((VAR argvars, VAR retvar));
|
|
|
355 static void f_setreg __ARGS((VAR argvars, VAR retvar));
|
|
|
356 static void f_simplify __ARGS((VAR argvars, VAR retvar));
|
|
|
357 static void find_some_match __ARGS((VAR argvars, VAR retvar, int start));
|
|
|
358 static void f_strftime __ARGS((VAR argvars, VAR retvar));
|
|
|
359 static void f_stridx __ARGS((VAR argvars, VAR retvar));
|
|
|
360 static void f_strlen __ARGS((VAR argvars, VAR retvar));
|
|
|
361 static void f_strpart __ARGS((VAR argvars, VAR retvar));
|
|
|
362 static void f_strridx __ARGS((VAR argvars, VAR retvar));
|
|
|
363 static void f_strtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
364 static void f_synID __ARGS((VAR argvars, VAR retvar));
|
|
|
365 static void f_synIDattr __ARGS((VAR argvars, VAR retvar));
|
|
|
366 static void f_synIDtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
367 static void f_system __ARGS((VAR argvars, VAR retvar));
|
|
|
368 static void f_submatch __ARGS((VAR argvars, VAR retvar));
|
|
|
369 static void f_substitute __ARGS((VAR argvars, VAR retvar));
|
|
|
370 static void f_tempname __ARGS((VAR argvars, VAR retvar));
|
|
|
371 static void f_tolower __ARGS((VAR argvars, VAR retvar));
|
|
|
372 static void f_toupper __ARGS((VAR argvars, VAR retvar));
|
|
|
373 static void f_type __ARGS((VAR argvars, VAR retvar));
|
|
|
374 static void f_virtcol __ARGS((VAR argvars, VAR retvar));
|
|
|
375 static void f_visualmode __ARGS((VAR argvars, VAR retvar));
|
|
|
376 static void f_winbufnr __ARGS((VAR argvars, VAR retvar));
|
|
|
377 static void f_wincol __ARGS((VAR argvars, VAR retvar));
|
|
|
378 static void f_winheight __ARGS((VAR argvars, VAR retvar));
|
|
|
379 static void f_winline __ARGS((VAR argvars, VAR retvar));
|
|
|
380 static void f_winnr __ARGS((VAR argvars, VAR retvar));
|
|
|
381 static void f_winrestcmd __ARGS((VAR argvars, VAR retvar));
|
|
|
382 static void f_winwidth __ARGS((VAR argvars, VAR retvar));
|
|
|
383 static win_T *find_win_by_nr __ARGS((VAR vp));
|
|
|
384 static pos_T *var2fpos __ARGS((VAR varp, int lnum));
|
|
|
385 static int get_env_len __ARGS((char_u **arg));
|
|
|
386 static int get_id_len __ARGS((char_u **arg));
|
|
|
387 static int get_func_len __ARGS((char_u **arg, char_u **alias, int evaluate));
|
|
|
388 static char_u *find_name_end __ARGS((char_u *arg, char_u **expr_start, char_u **expr_end));
|
|
|
389 static int eval_isnamec __ARGS((int c));
|
|
|
390 static int find_vim_var __ARGS((char_u *name, int len));
|
|
|
391 static int get_var_var __ARGS((char_u *name, int len, VAR retvar));
|
|
|
392 static VAR alloc_var __ARGS((void));
|
|
|
393 static VAR alloc_string_var __ARGS((char_u *string));
|
|
|
394 static void free_var __ARGS((VAR varp));
|
|
|
395 static void clear_var __ARGS((VAR varp));
|
|
|
396 static long get_var_number __ARGS((VAR varp));
|
|
|
397 static linenr_T get_var_lnum __ARGS((VAR argvars));
|
|
|
398 static char_u *get_var_string __ARGS((VAR varp));
|
|
|
399 static char_u *get_var_string_buf __ARGS((VAR varp, char_u *buf));
|
|
|
400 static VAR find_var __ARGS((char_u *name, int writing));
|
|
|
401 static VAR find_var_in_ga __ARGS((garray_T *gap, char_u *varname));
|
|
|
402 static garray_T *find_var_ga __ARGS((char_u *name, char_u **varname));
|
|
|
403 static void var_free_one __ARGS((VAR v));
|
|
|
404 static void list_one_var __ARGS((VAR v, char_u *prefix));
|
|
|
405 static void list_vim_var __ARGS((int i));
|
|
|
406 static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string));
|
|
|
407 static void set_var __ARGS((char_u *name, VAR varp));
|
|
|
408 static void copy_var __ARGS((VAR from, VAR to));
|
|
|
409 static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags));
|
|
|
410 static char_u *trans_function_name __ARGS((char_u **pp, int skip, int internal));
|
|
|
411 static int eval_fname_script __ARGS((char_u *p));
|
|
|
412 static int eval_fname_sid __ARGS((char_u *p));
|
|
|
413 static void list_func_head __ARGS((ufunc_T *fp, int indent));
|
|
|
414 static void cat_func_name __ARGS((char_u *buf, ufunc_T *fp));
|
|
|
415 static ufunc_T *find_func __ARGS((char_u *name));
|
|
|
416 static void call_user_func __ARGS((ufunc_T *fp, int argcount, VAR argvars, VAR retvar, linenr_T firstline, linenr_T lastline));
|
|
|
417
|
|
|
418 /* Magic braces are always enabled, otherwise Vim scripts would not be
|
|
|
419 * portable. */
|
|
|
420 #define FEAT_MAGIC_BRACES
|
|
|
421
|
|
|
422 #ifdef FEAT_MAGIC_BRACES
|
|
|
423 static char_u * make_expanded_name __ARGS((char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end));
|
|
|
424 #endif
|
|
|
425
|
|
|
426 /*
|
|
|
427 * Set an internal variable to a string value. Creates the variable if it does
|
|
|
428 * not already exist.
|
|
|
429 */
|
|
|
430 void
|
|
|
431 set_internal_string_var(name, value)
|
|
|
432 char_u *name;
|
|
|
433 char_u *value;
|
|
|
434 {
|
|
|
435 char_u *val;
|
|
|
436 VAR varp;
|
|
|
437
|
|
|
438 val = vim_strsave(value);
|
|
|
439 if (val != NULL)
|
|
|
440 {
|
|
|
441 varp = alloc_string_var(val);
|
|
|
442 if (varp != NULL)
|
|
|
443 {
|
|
|
444 set_var(name, varp);
|
|
|
445 free_var(varp);
|
|
|
446 }
|
|
|
447 }
|
|
|
448 }
|
|
|
449
|
|
|
450 # if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
451 int
|
|
|
452 eval_charconvert(enc_from, enc_to, fname_from, fname_to)
|
|
|
453 char_u *enc_from;
|
|
|
454 char_u *enc_to;
|
|
|
455 char_u *fname_from;
|
|
|
456 char_u *fname_to;
|
|
|
457 {
|
|
|
458 int err = FALSE;
|
|
|
459
|
|
|
460 set_vim_var_string(VV_CC_FROM, enc_from, -1);
|
|
|
461 set_vim_var_string(VV_CC_TO, enc_to, -1);
|
|
|
462 set_vim_var_string(VV_FNAME_IN, fname_from, -1);
|
|
|
463 set_vim_var_string(VV_FNAME_OUT, fname_to, -1);
|
|
|
464 if (eval_to_bool(p_ccv, &err, NULL, FALSE))
|
|
|
465 err = TRUE;
|
|
|
466 set_vim_var_string(VV_CC_FROM, NULL, -1);
|
|
|
467 set_vim_var_string(VV_CC_TO, NULL, -1);
|
|
|
468 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
469 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
470
|
|
|
471 if (err)
|
|
|
472 return FAIL;
|
|
|
473 return OK;
|
|
|
474 }
|
|
|
475 # endif
|
|
|
476
|
|
|
477 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
|
|
|
478 int
|
|
|
479 eval_printexpr(fname, args)
|
|
|
480 char_u *fname;
|
|
|
481 char_u *args;
|
|
|
482 {
|
|
|
483 int err = FALSE;
|
|
|
484
|
|
|
485 set_vim_var_string(VV_FNAME_IN, fname, -1);
|
|
|
486 set_vim_var_string(VV_CMDARG, args, -1);
|
|
|
487 if (eval_to_bool(p_pexpr, &err, NULL, FALSE))
|
|
|
488 err = TRUE;
|
|
|
489 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
490 set_vim_var_string(VV_CMDARG, NULL, -1);
|
|
|
491
|
|
|
492 if (err)
|
|
|
493 {
|
|
|
494 mch_remove(fname);
|
|
|
495 return FAIL;
|
|
|
496 }
|
|
|
497 return OK;
|
|
|
498 }
|
|
|
499 # endif
|
|
|
500
|
|
|
501 # if defined(FEAT_DIFF) || defined(PROTO)
|
|
|
502 void
|
|
|
503 eval_diff(origfile, newfile, outfile)
|
|
|
504 char_u *origfile;
|
|
|
505 char_u *newfile;
|
|
|
506 char_u *outfile;
|
|
|
507 {
|
|
|
508 int err = FALSE;
|
|
|
509
|
|
|
510 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
511 set_vim_var_string(VV_FNAME_NEW, newfile, -1);
|
|
|
512 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
513 (void)eval_to_bool(p_dex, &err, NULL, FALSE);
|
|
|
514 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
515 set_vim_var_string(VV_FNAME_NEW, NULL, -1);
|
|
|
516 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
517 }
|
|
|
518
|
|
|
519 void
|
|
|
520 eval_patch(origfile, difffile, outfile)
|
|
|
521 char_u *origfile;
|
|
|
522 char_u *difffile;
|
|
|
523 char_u *outfile;
|
|
|
524 {
|
|
|
525 int err;
|
|
|
526
|
|
|
527 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
528 set_vim_var_string(VV_FNAME_DIFF, difffile, -1);
|
|
|
529 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
530 (void)eval_to_bool(p_pex, &err, NULL, FALSE);
|
|
|
531 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
532 set_vim_var_string(VV_FNAME_DIFF, NULL, -1);
|
|
|
533 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
534 }
|
|
|
535 # endif
|
|
|
536
|
|
|
537 /*
|
|
|
538 * Top level evaluation function, returning a boolean.
|
|
|
539 * Sets "error" to TRUE if there was an error.
|
|
|
540 * Return TRUE or FALSE.
|
|
|
541 */
|
|
|
542 int
|
|
|
543 eval_to_bool(arg, error, nextcmd, skip)
|
|
|
544 char_u *arg;
|
|
|
545 int *error;
|
|
|
546 char_u **nextcmd;
|
|
|
547 int skip; /* only parse, don't execute */
|
|
|
548 {
|
|
|
549 var retvar;
|
|
|
550 int retval = FALSE;
|
|
|
551
|
|
|
552 if (skip)
|
|
|
553 ++emsg_skip;
|
|
|
554 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL)
|
|
|
555 {
|
|
|
556 *error = TRUE;
|
|
|
557 }
|
|
|
558 else
|
|
|
559 {
|
|
|
560 *error = FALSE;
|
|
|
561 if (!skip)
|
|
|
562 {
|
|
|
563 retval = (get_var_number(&retvar) != 0);
|
|
|
564 clear_var(&retvar);
|
|
|
565 }
|
|
|
566 }
|
|
|
567 if (skip)
|
|
|
568 --emsg_skip;
|
|
|
569
|
|
|
570 return retval;
|
|
|
571 }
|
|
|
572
|
|
|
573 /*
|
|
|
574 * Top level evaluation function, returning a string. If "skip" is TRUE,
|
|
|
575 * only parsing to "nextcmd" is done, without reporting errors. Return
|
|
|
576 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
|
|
|
577 */
|
|
|
578 char_u *
|
|
|
579 eval_to_string_skip(arg, nextcmd, skip)
|
|
|
580 char_u *arg;
|
|
|
581 char_u **nextcmd;
|
|
|
582 int skip; /* only parse, don't execute */
|
|
|
583 {
|
|
|
584 var retvar;
|
|
|
585 char_u *retval;
|
|
|
586
|
|
|
587 if (skip)
|
|
|
588 ++emsg_skip;
|
|
|
589 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL || skip)
|
|
|
590 retval = NULL;
|
|
|
591 else
|
|
|
592 {
|
|
|
593 retval = vim_strsave(get_var_string(&retvar));
|
|
|
594 clear_var(&retvar);
|
|
|
595 }
|
|
|
596 if (skip)
|
|
|
597 --emsg_skip;
|
|
|
598
|
|
|
599 return retval;
|
|
|
600 }
|
|
|
601
|
|
|
602 /*
|
|
9
|
603 * Skip over an expression at "*pp".
|
|
|
604 * Return FAIL for an error, OK otherwise.
|
|
|
605 */
|
|
|
606 int
|
|
|
607 skip_expr(pp)
|
|
|
608 char_u **pp;
|
|
|
609 {
|
|
|
610 var retvar;
|
|
|
611
|
|
|
612 *pp = skipwhite(*pp);
|
|
|
613 return eval1(pp, &retvar, FALSE);
|
|
|
614 }
|
|
|
615
|
|
|
616 /*
|
|
7
|
617 * Top level evaluation function, returning a string.
|
|
|
618 * Return pointer to allocated memory, or NULL for failure.
|
|
|
619 */
|
|
|
620 char_u *
|
|
|
621 eval_to_string(arg, nextcmd)
|
|
|
622 char_u *arg;
|
|
|
623 char_u **nextcmd;
|
|
|
624 {
|
|
|
625 var retvar;
|
|
|
626 char_u *retval;
|
|
|
627
|
|
|
628 if (eval0(arg, &retvar, nextcmd, TRUE) == FAIL)
|
|
|
629 retval = NULL;
|
|
|
630 else
|
|
|
631 {
|
|
|
632 retval = vim_strsave(get_var_string(&retvar));
|
|
|
633 clear_var(&retvar);
|
|
|
634 }
|
|
|
635
|
|
|
636 return retval;
|
|
|
637 }
|
|
|
638
|
|
|
639 /*
|
|
|
640 * Call eval_to_string() with "sandbox" set and not using local variables.
|
|
|
641 */
|
|
|
642 char_u *
|
|
|
643 eval_to_string_safe(arg, nextcmd)
|
|
|
644 char_u *arg;
|
|
|
645 char_u **nextcmd;
|
|
|
646 {
|
|
|
647 char_u *retval;
|
|
|
648 void *save_funccalp;
|
|
|
649
|
|
|
650 save_funccalp = save_funccal();
|
|
|
651 ++sandbox;
|
|
|
652 retval = eval_to_string(arg, nextcmd);
|
|
|
653 --sandbox;
|
|
|
654 restore_funccal(save_funccalp);
|
|
|
655 return retval;
|
|
|
656 }
|
|
|
657
|
|
|
658 #if 0 /* not used */
|
|
|
659 /*
|
|
|
660 * Top level evaluation function, returning a string.
|
|
|
661 * Advances "arg" to the first non-blank after the evaluated expression.
|
|
|
662 * Return pointer to allocated memory, or NULL for failure.
|
|
|
663 * Doesn't give error messages.
|
|
|
664 */
|
|
|
665 char_u *
|
|
|
666 eval_arg_to_string(arg)
|
|
|
667 char_u **arg;
|
|
|
668 {
|
|
|
669 var retvar;
|
|
|
670 char_u *retval;
|
|
|
671 int ret;
|
|
|
672
|
|
|
673 ++emsg_off;
|
|
|
674
|
|
|
675 ret = eval1(arg, &retvar, TRUE);
|
|
|
676 if (ret == FAIL)
|
|
|
677 retval = NULL;
|
|
|
678 else
|
|
|
679 {
|
|
|
680 retval = vim_strsave(get_var_string(&retvar));
|
|
|
681 clear_var(&retvar);
|
|
|
682 }
|
|
|
683
|
|
|
684 --emsg_off;
|
|
|
685
|
|
|
686 return retval;
|
|
|
687 }
|
|
|
688 #endif
|
|
|
689
|
|
|
690 /*
|
|
|
691 * Top level evaluation function, returning a number.
|
|
|
692 * Evaluates "expr" silently.
|
|
|
693 * Returns -1 for an error.
|
|
|
694 */
|
|
|
695 int
|
|
|
696 eval_to_number(expr)
|
|
|
697 char_u *expr;
|
|
|
698 {
|
|
|
699 var retvar;
|
|
|
700 int retval;
|
|
|
701 char_u *p = expr;
|
|
|
702
|
|
|
703 ++emsg_off;
|
|
|
704
|
|
|
705 if (eval1(&p, &retvar, TRUE) == FAIL)
|
|
|
706 retval = -1;
|
|
|
707 else
|
|
|
708 {
|
|
|
709 retval = get_var_number(&retvar);
|
|
|
710 clear_var(&retvar);
|
|
|
711 }
|
|
|
712 --emsg_off;
|
|
|
713
|
|
|
714 return retval;
|
|
|
715 }
|
|
|
716
|
|
|
717 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
|
|
|
718 /*
|
|
|
719 * Call some vimL function and return the result as a string
|
|
|
720 * Uses argv[argc] for the function arguments.
|
|
|
721 */
|
|
|
722 char_u *
|
|
|
723 call_vim_function(func, argc, argv, safe)
|
|
|
724 char_u *func;
|
|
|
725 int argc;
|
|
|
726 char_u **argv;
|
|
|
727 int safe; /* use the sandbox */
|
|
|
728 {
|
|
|
729 char_u *retval = NULL;
|
|
|
730 var retvar;
|
|
|
731 VAR argvars;
|
|
|
732 long n;
|
|
|
733 int len;
|
|
|
734 int i;
|
|
|
735 int doesrange;
|
|
|
736 void *save_funccalp = NULL;
|
|
|
737
|
|
|
738 argvars = (VAR)alloc((unsigned)(argc * sizeof(var)));
|
|
|
739 if (argvars == NULL)
|
|
|
740 return NULL;
|
|
|
741
|
|
|
742 for (i = 0; i < argc; i++)
|
|
|
743 {
|
|
|
744 /* Recognize a number argument, the others must be strings. */
|
|
|
745 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
746 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
747 {
|
|
|
748 argvars[i].var_type = VAR_NUMBER;
|
|
|
749 argvars[i].var_val.var_number = n;
|
|
|
750 }
|
|
|
751 else
|
|
|
752 {
|
|
|
753 argvars[i].var_type = VAR_STRING;
|
|
|
754 argvars[i].var_val.var_string = argv[i];
|
|
|
755 }
|
|
|
756 }
|
|
|
757
|
|
|
758 if (safe)
|
|
|
759 {
|
|
|
760 save_funccalp = save_funccal();
|
|
|
761 ++sandbox;
|
|
|
762 }
|
|
|
763
|
|
|
764 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
765 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
766 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
767 &doesrange, TRUE) == OK)
|
|
|
768 retval = vim_strsave(get_var_string(&retvar));
|
|
|
769
|
|
|
770 clear_var(&retvar);
|
|
|
771 vim_free(argvars);
|
|
|
772
|
|
|
773 if (safe)
|
|
|
774 {
|
|
|
775 --sandbox;
|
|
|
776 restore_funccal(save_funccalp);
|
|
|
777 }
|
|
|
778 return retval;
|
|
|
779 }
|
|
|
780 #endif
|
|
|
781
|
|
|
782 /*
|
|
|
783 * Save the current function call pointer, and set it to NULL.
|
|
|
784 * Used when executing autocommands and for ":source".
|
|
|
785 */
|
|
|
786 void *
|
|
|
787 save_funccal()
|
|
|
788 {
|
|
|
789 struct funccall *fc;
|
|
|
790
|
|
|
791 fc = current_funccal;
|
|
|
792 current_funccal = NULL;
|
|
|
793 return (void *)fc;
|
|
|
794 }
|
|
|
795
|
|
|
796 void
|
|
|
797 restore_funccal(fc)
|
|
|
798 void *fc;
|
|
|
799 {
|
|
|
800 current_funccal = (struct funccall *)fc;
|
|
|
801 }
|
|
|
802
|
|
|
803 #ifdef FEAT_FOLDING
|
|
|
804 /*
|
|
|
805 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
806 * it in "*cp". Doesn't give error messages.
|
|
|
807 */
|
|
|
808 int
|
|
|
809 eval_foldexpr(arg, cp)
|
|
|
810 char_u *arg;
|
|
|
811 int *cp;
|
|
|
812 {
|
|
|
813 var retvar;
|
|
|
814 int retval;
|
|
|
815 char_u *s;
|
|
|
816
|
|
|
817 ++emsg_off;
|
|
|
818 ++sandbox;
|
|
|
819 *cp = NUL;
|
|
|
820 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
821 retval = 0;
|
|
|
822 else
|
|
|
823 {
|
|
|
824 /* If the result is a number, just return the number. */
|
|
|
825 if (retvar.var_type == VAR_NUMBER)
|
|
|
826 retval = retvar.var_val.var_number;
|
|
|
827 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
828 || retvar.var_val.var_string == NULL)
|
|
|
829 retval = 0;
|
|
|
830 else
|
|
|
831 {
|
|
|
832 /* If the result is a string, check if there is a non-digit before
|
|
|
833 * the number. */
|
|
|
834 s = retvar.var_val.var_string;
|
|
|
835 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
836 *cp = *s++;
|
|
|
837 retval = atol((char *)s);
|
|
|
838 }
|
|
|
839 clear_var(&retvar);
|
|
|
840 }
|
|
|
841 --emsg_off;
|
|
|
842 --sandbox;
|
|
|
843
|
|
|
844 return retval;
|
|
|
845 }
|
|
|
846 #endif
|
|
|
847
|
|
|
848 #ifdef FEAT_MAGIC_BRACES
|
|
|
849 /*
|
|
|
850 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
851 * Note that this can call itself recursively, to deal with
|
|
|
852 * constructs like foo{bar}{baz}{bam}
|
|
|
853 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
854 * "in_start" ^
|
|
|
855 * "expr_start" ^
|
|
|
856 * "expr_end" ^
|
|
|
857 * "in_end" ^
|
|
|
858 *
|
|
|
859 * Returns a new allocated string, which the caller must free.
|
|
|
860 * Returns NULL for failure.
|
|
|
861 */
|
|
|
862 static char_u *
|
|
|
863 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
864 char_u *in_start;
|
|
|
865 char_u *expr_start;
|
|
|
866 char_u *expr_end;
|
|
|
867 char_u *in_end;
|
|
|
868 {
|
|
|
869 char_u c1;
|
|
|
870 char_u *retval = NULL;
|
|
|
871 char_u *temp_result;
|
|
|
872 char_u *nextcmd = NULL;
|
|
|
873
|
|
|
874 if (expr_end == NULL || in_end == NULL)
|
|
|
875 return NULL;
|
|
|
876 *expr_start = NUL;
|
|
|
877 *expr_end = NUL;
|
|
|
878 c1 = *in_end;
|
|
|
879 *in_end = NUL;
|
|
|
880
|
|
|
881 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
882 if (temp_result != NULL && nextcmd == NULL)
|
|
|
883 {
|
|
|
884 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
885 + (in_end - expr_end) + 1));
|
|
|
886
|
|
|
887 if (retval != NULL)
|
|
|
888 {
|
|
|
889 STRCPY(retval, in_start);
|
|
|
890 STRCAT(retval, temp_result);
|
|
|
891 STRCAT(retval, expr_end + 1);
|
|
|
892 }
|
|
|
893 }
|
|
|
894 vim_free(temp_result);
|
|
|
895
|
|
|
896 *in_end = c1; /* put char back for error messages */
|
|
|
897 *expr_start = '{';
|
|
|
898 *expr_end = '}';
|
|
|
899
|
|
|
900 if (retval != NULL)
|
|
|
901 {
|
|
|
902 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
903 if (expr_start != NULL)
|
|
|
904 {
|
|
|
905 /* Further expansion! */
|
|
|
906 temp_result = make_expanded_name(retval, expr_start,
|
|
|
907 expr_end, temp_result);
|
|
|
908 vim_free(retval);
|
|
|
909 retval = temp_result;
|
|
|
910 }
|
|
|
911 }
|
|
|
912
|
|
|
913 return retval;
|
|
|
914
|
|
|
915 }
|
|
|
916 #endif /* FEAT_MAGIC_BRACES */
|
|
|
917
|
|
|
918 /*
|
|
|
919 * ":let var = expr" assignment command.
|
|
|
920 * ":let var" list one variable value
|
|
|
921 * ":let" list all variable values
|
|
|
922 */
|
|
|
923 void
|
|
|
924 ex_let(eap)
|
|
|
925 exarg_T *eap;
|
|
|
926 {
|
|
|
927 char_u *arg = eap->arg;
|
|
|
928 char_u *expr;
|
|
|
929 char_u *name;
|
|
|
930 VAR varp;
|
|
|
931 var retvar;
|
|
|
932 char_u *p;
|
|
|
933 int c1 = 0, c2;
|
|
|
934 int i;
|
|
|
935 char_u *expr_start;
|
|
|
936 char_u *expr_end;
|
|
|
937 char_u *name_end;
|
|
|
938
|
|
|
939 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
940 expr = vim_strchr(name_end, '=');
|
|
|
941 if (expr == NULL)
|
|
|
942 {
|
|
|
943 if (ends_excmd(*arg))
|
|
|
944 {
|
|
|
945 if (!eap->skip)
|
|
|
946 {
|
|
|
947 /*
|
|
|
948 * List all variables.
|
|
|
949 */
|
|
|
950 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
951 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
952 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
953 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
954 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
955 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
956 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
957 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
958 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
959 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
960 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
961 list_vim_var(i);
|
|
|
962 }
|
|
|
963 }
|
|
|
964 else
|
|
|
965 {
|
|
|
966 int error = FALSE;
|
|
|
967
|
|
|
968 /*
|
|
|
969 * List variables.
|
|
|
970 */
|
|
|
971 while (!ends_excmd(*arg) && !got_int)
|
|
|
972 {
|
|
|
973 char_u *temp_string = NULL;
|
|
|
974 int arg_len;
|
|
|
975
|
|
|
976 /* Find the end of the name. */
|
|
|
977 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
978
|
|
|
979 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
980 {
|
|
|
981 emsg_severe = TRUE;
|
|
|
982 EMSG(_(e_trailing));
|
|
|
983 break;
|
|
|
984 }
|
|
|
985 if (!error && !eap->skip)
|
|
|
986 {
|
|
|
987 #ifdef FEAT_MAGIC_BRACES
|
|
|
988 if (expr_start != NULL)
|
|
|
989 {
|
|
|
990 temp_string = make_expanded_name(arg, expr_start,
|
|
|
991 expr_end, name_end);
|
|
|
992 if (temp_string == NULL)
|
|
|
993 {
|
|
|
994 /*
|
|
|
995 * Report an invalid expression in braces, unless
|
|
|
996 * the expression evaluation has been cancelled due
|
|
|
997 * to an aborting error, an interrupt, or an
|
|
|
998 * exception.
|
|
|
999 */
|
|
|
1000 if (!aborting())
|
|
|
1001 {
|
|
|
1002 emsg_severe = TRUE;
|
|
|
1003 EMSG2(_(e_invarg2), arg);
|
|
|
1004 break;
|
|
|
1005 }
|
|
|
1006 error = TRUE;
|
|
|
1007 arg = skipwhite(name_end);
|
|
|
1008 continue;
|
|
|
1009 }
|
|
|
1010 arg = temp_string;
|
|
|
1011 arg_len = STRLEN(temp_string);
|
|
|
1012 }
|
|
|
1013 else
|
|
|
1014 #endif
|
|
|
1015 {
|
|
|
1016 c1 = *name_end;
|
|
|
1017 *name_end = NUL;
|
|
|
1018 arg_len = (int)(name_end - arg);
|
|
|
1019 }
|
|
|
1020 i = find_vim_var(arg, arg_len);
|
|
|
1021 if (i >= 0)
|
|
|
1022 list_vim_var(i);
|
|
|
1023 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1024 {
|
|
|
1025 char_u numbuf[NUMBUFLEN];
|
|
|
1026
|
|
|
1027 sprintf((char *)numbuf, "%ld",
|
|
|
1028 (long)curbuf->b_changedtick);
|
|
|
1029 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1030 VAR_NUMBER, numbuf);
|
|
|
1031 }
|
|
|
1032 else
|
|
|
1033 {
|
|
|
1034 varp = find_var(arg, FALSE);
|
|
|
1035 if (varp == NULL)
|
|
|
1036 {
|
|
|
1037 /* Skip further arguments but do continue to
|
|
|
1038 * search for a trailing command. */
|
|
|
1039 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1040 error = TRUE;
|
|
|
1041 }
|
|
|
1042 else
|
|
|
1043 {
|
|
|
1044 name = vim_strchr(arg, ':');
|
|
|
1045 if (name != NULL)
|
|
|
1046 {
|
|
|
1047 /* "a:" vars have no name stored, use whole
|
|
|
1048 * arg */
|
|
|
1049 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1050 c2 = NUL;
|
|
|
1051 else
|
|
|
1052 {
|
|
|
1053 c2 = *++name;
|
|
|
1054 *name = NUL;
|
|
|
1055 }
|
|
|
1056 list_one_var(varp, arg);
|
|
|
1057 if (c2 != NUL)
|
|
|
1058 *name = c2;
|
|
|
1059 }
|
|
|
1060 else
|
|
|
1061 list_one_var(varp, (char_u *)"");
|
|
|
1062 }
|
|
|
1063 }
|
|
|
1064 #ifdef FEAT_MAGIC_BRACES
|
|
|
1065 if (expr_start != NULL)
|
|
|
1066 vim_free(temp_string);
|
|
|
1067 else
|
|
|
1068 #endif
|
|
|
1069 *name_end = c1;
|
|
|
1070 }
|
|
|
1071 arg = skipwhite(name_end);
|
|
|
1072 }
|
|
|
1073 }
|
|
|
1074 eap->nextcmd = check_nextcmd(arg);
|
|
|
1075 }
|
|
|
1076 else
|
|
|
1077 {
|
|
|
1078 if (eap->skip)
|
|
|
1079 ++emsg_skip;
|
|
|
1080 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1081 if (eap->skip)
|
|
|
1082 {
|
|
|
1083 if (i != FAIL)
|
|
|
1084 clear_var(&retvar);
|
|
|
1085 --emsg_skip;
|
|
|
1086 }
|
|
|
1087 else if (i != FAIL)
|
|
|
1088 {
|
|
|
1089 /*
|
|
|
1090 * ":let $VAR = expr": Set environment variable.
|
|
|
1091 */
|
|
|
1092 if (*arg == '$')
|
|
|
1093 {
|
|
|
1094 int len;
|
|
|
1095 int cc;
|
|
|
1096
|
|
|
1097 /* Find the end of the name. */
|
|
|
1098 ++arg;
|
|
|
1099 name = arg;
|
|
|
1100 len = get_env_len(&arg);
|
|
|
1101 if (len == 0)
|
|
|
1102 EMSG2(_(e_invarg2), name - 1);
|
|
|
1103 else
|
|
|
1104 {
|
|
|
1105 if (*skipwhite(arg) != '=')
|
|
|
1106 EMSG(_(e_letunexp));
|
|
|
1107 else
|
|
|
1108 {
|
|
|
1109 cc = name[len];
|
|
|
1110 name[len] = NUL;
|
|
|
1111 p = get_var_string(&retvar);
|
|
|
1112 vim_setenv(name, p);
|
|
|
1113 if (STRICMP(name, "HOME") == 0)
|
|
|
1114 init_homedir();
|
|
|
1115 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1116 didset_vim = FALSE;
|
|
|
1117 else if (didset_vimruntime
|
|
|
1118 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1119 didset_vimruntime = FALSE;
|
|
|
1120 name[len] = cc;
|
|
|
1121 }
|
|
|
1122 }
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 /*
|
|
|
1126 * ":let &option = expr": Set option value.
|
|
|
1127 * ":let &l:option = expr": Set local option value.
|
|
|
1128 * ":let &g:option = expr": Set global option value.
|
|
|
1129 */
|
|
|
1130 else if (*arg == '&')
|
|
|
1131 {
|
|
|
1132 int opt_flags;
|
|
|
1133
|
|
|
1134 /*
|
|
|
1135 * Find the end of the name;
|
|
|
1136 */
|
|
|
1137 p = find_option_end(&arg, &opt_flags);
|
|
|
1138 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1139 EMSG(_(e_letunexp));
|
|
|
1140 else
|
|
|
1141 {
|
|
|
1142 c1 = *p;
|
|
|
1143 *p = NUL;
|
|
|
1144 set_option_value(arg, get_var_number(&retvar),
|
|
|
1145 get_var_string(&retvar), opt_flags);
|
|
|
1146 *p = c1; /* put back for error messages */
|
|
|
1147 }
|
|
|
1148 }
|
|
|
1149
|
|
|
1150 /*
|
|
|
1151 * ":let @r = expr": Set register contents.
|
|
|
1152 */
|
|
|
1153 else if (*arg == '@')
|
|
|
1154 {
|
|
|
1155 ++arg;
|
|
|
1156 if (*skipwhite(arg + 1) != '=')
|
|
|
1157 EMSG(_(e_letunexp));
|
|
|
1158 else
|
|
|
1159 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1160 get_var_string(&retvar), -1, FALSE);
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 /*
|
|
|
1164 * ":let var = expr": Set internal variable.
|
|
|
1165 */
|
|
|
1166 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1167 {
|
|
|
1168 /* Find the end of the name. */
|
|
|
1169 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1170
|
|
|
1171 if (*skipwhite(p) != '=')
|
|
|
1172 EMSG(_(e_letunexp));
|
|
|
1173 else if (p - arg == 13
|
|
|
1174 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1175 EMSG2(_(e_readonlyvar), arg);
|
|
|
1176 #ifdef FEAT_MAGIC_BRACES
|
|
|
1177 else if (expr_start != NULL)
|
|
|
1178 {
|
|
|
1179 char_u *temp_string;
|
|
|
1180
|
|
|
1181 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1182 expr_end, p);
|
|
|
1183 if (temp_string == NULL)
|
|
|
1184 {
|
|
|
1185 /*
|
|
|
1186 * Report an invalid expression in braces, unless the
|
|
|
1187 * expression evaluation has been cancelled due to an
|
|
|
1188 * aborting error, an interrupt, or an exception.
|
|
|
1189 */
|
|
|
1190 if (!aborting())
|
|
|
1191 EMSG2(_(e_invarg2), arg);
|
|
|
1192 }
|
|
|
1193 else
|
|
|
1194 {
|
|
|
1195 set_var(temp_string, &retvar);
|
|
|
1196 vim_free(temp_string);
|
|
|
1197 }
|
|
|
1198 }
|
|
|
1199 #endif
|
|
|
1200 else
|
|
|
1201 {
|
|
|
1202 c1 = *p;
|
|
|
1203 *p = NUL;
|
|
|
1204 set_var(arg, &retvar);
|
|
|
1205 *p = c1; /* put char back for error messages */
|
|
|
1206 }
|
|
|
1207 }
|
|
|
1208
|
|
|
1209 else
|
|
|
1210 {
|
|
|
1211 EMSG2(_(e_invarg2), arg);
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 clear_var(&retvar);
|
|
|
1215 }
|
|
|
1216 }
|
|
|
1217 }
|
|
|
1218
|
|
|
1219 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1220
|
|
|
1221 void
|
|
|
1222 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1223 expand_T *xp;
|
|
|
1224 char_u *arg;
|
|
|
1225 cmdidx_T cmdidx;
|
|
|
1226 {
|
|
|
1227 int got_eq = FALSE;
|
|
|
1228 int c;
|
|
|
1229
|
|
|
1230 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1231 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1232 : EXPAND_EXPRESSION;
|
|
|
1233 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1234 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1235 {
|
|
|
1236 c = *xp->xp_pattern;
|
|
|
1237 if (c == '&')
|
|
|
1238 {
|
|
|
1239 c = xp->xp_pattern[1];
|
|
|
1240 if (c == '&')
|
|
|
1241 {
|
|
|
1242 ++xp->xp_pattern;
|
|
|
1243 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1244 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1245 }
|
|
|
1246 else if (c != ' ')
|
|
|
1247 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1248 }
|
|
|
1249 else if (c == '$')
|
|
|
1250 {
|
|
|
1251 /* environment variable */
|
|
|
1252 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1253 }
|
|
|
1254 else if (c == '=')
|
|
|
1255 {
|
|
|
1256 got_eq = TRUE;
|
|
|
1257 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1258 }
|
|
|
1259 else if (c == '<'
|
|
|
1260 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1261 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1262 {
|
|
|
1263 /* Function name can start with "<SNR>" */
|
|
|
1264 break;
|
|
|
1265 }
|
|
|
1266 else if (cmdidx != CMD_let || got_eq)
|
|
|
1267 {
|
|
|
1268 if (c == '"') /* string */
|
|
|
1269 {
|
|
|
1270 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1271 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1272 ++xp->xp_pattern;
|
|
|
1273 xp->xp_context = EXPAND_NOTHING;
|
|
|
1274 }
|
|
|
1275 else if (c == '\'') /* literal string */
|
|
|
1276 {
|
|
|
1277 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1278 /* skip */ ;
|
|
|
1279 xp->xp_context = EXPAND_NOTHING;
|
|
|
1280 }
|
|
|
1281 else if (c == '|')
|
|
|
1282 {
|
|
|
1283 if (xp->xp_pattern[1] == '|')
|
|
|
1284 {
|
|
|
1285 ++xp->xp_pattern;
|
|
|
1286 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1287 }
|
|
|
1288 else
|
|
|
1289 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1290 }
|
|
|
1291 else
|
|
|
1292 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1293 }
|
|
|
1294 else
|
|
|
1295 xp->xp_context = EXPAND_NOTHING;
|
|
|
1296 arg = xp->xp_pattern;
|
|
|
1297 if (*arg != NUL)
|
|
|
1298 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1299 /* skip */ ;
|
|
|
1300 }
|
|
|
1301 xp->xp_pattern = arg;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 #endif /* FEAT_CMDL_COMPL */
|
|
|
1305
|
|
|
1306 /*
|
|
|
1307 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1308 */
|
|
|
1309 void
|
|
|
1310 ex_call(eap)
|
|
|
1311 exarg_T *eap;
|
|
|
1312 {
|
|
|
1313 char_u *arg = eap->arg;
|
|
|
1314 char_u *startarg;
|
|
|
1315 char_u *alias;
|
|
|
1316 char_u *name;
|
|
|
1317 var retvar;
|
|
|
1318 int len;
|
|
|
1319 linenr_T lnum;
|
|
|
1320 int doesrange;
|
|
|
1321 int failed = FALSE;
|
|
|
1322
|
|
|
1323 name = arg;
|
|
|
1324 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1325 if (len == 0)
|
|
|
1326 goto end;
|
|
|
1327 if (alias != NULL)
|
|
|
1328 name = alias;
|
|
|
1329
|
|
|
1330 startarg = arg;
|
|
|
1331 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1332
|
|
|
1333 if (*startarg != '(')
|
|
|
1334 {
|
|
|
1335 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1336 goto end;
|
|
|
1337 }
|
|
|
1338
|
|
|
1339 /*
|
|
|
1340 * When skipping, evaluate the function once, to find the end of the
|
|
|
1341 * arguments.
|
|
|
1342 * When the function takes a range, this is discovered after the first
|
|
|
1343 * call, and the loop is broken.
|
|
|
1344 */
|
|
|
1345 if (eap->skip)
|
|
|
1346 {
|
|
|
1347 ++emsg_skip;
|
|
|
1348 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1349 }
|
|
|
1350 else
|
|
|
1351 lnum = eap->line1;
|
|
|
1352 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1353 {
|
|
|
1354 if (!eap->skip && eap->addr_count > 0)
|
|
|
1355 {
|
|
|
1356 curwin->w_cursor.lnum = lnum;
|
|
|
1357 curwin->w_cursor.col = 0;
|
|
|
1358 }
|
|
|
1359 arg = startarg;
|
|
|
1360 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1361 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1362 {
|
|
|
1363 failed = TRUE;
|
|
|
1364 break;
|
|
|
1365 }
|
|
|
1366 clear_var(&retvar);
|
|
|
1367 if (doesrange || eap->skip)
|
|
|
1368 break;
|
|
|
1369 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1370 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1371 * returned OK, so that the check for trailing characters below is
|
|
|
1372 * executed. */
|
|
|
1373 if (aborting())
|
|
|
1374 break;
|
|
|
1375 }
|
|
|
1376 if (eap->skip)
|
|
|
1377 --emsg_skip;
|
|
|
1378
|
|
|
1379 if (!failed)
|
|
|
1380 {
|
|
|
1381 /* Check for trailing illegal characters and a following command. */
|
|
|
1382 if (!ends_excmd(*arg))
|
|
|
1383 {
|
|
|
1384 emsg_severe = TRUE;
|
|
|
1385 EMSG(_(e_trailing));
|
|
|
1386 }
|
|
|
1387 else
|
|
|
1388 eap->nextcmd = check_nextcmd(arg);
|
|
|
1389 }
|
|
|
1390
|
|
|
1391 end:
|
|
|
1392 if (alias != NULL)
|
|
|
1393 vim_free(alias);
|
|
|
1394 }
|
|
|
1395
|
|
|
1396 /*
|
|
|
1397 * ":unlet[!] var1 ... " command.
|
|
|
1398 */
|
|
|
1399 void
|
|
|
1400 ex_unlet(eap)
|
|
|
1401 exarg_T *eap;
|
|
|
1402 {
|
|
|
1403 char_u *arg = eap->arg;
|
|
|
1404 char_u *name_end;
|
|
|
1405 char_u cc;
|
|
|
1406 char_u *expr_start;
|
|
|
1407 char_u *expr_end;
|
|
|
1408 int error = FALSE;
|
|
|
1409
|
|
|
1410 do
|
|
|
1411 {
|
|
|
1412 /* Find the end of the name. */
|
|
|
1413 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1414
|
|
|
1415 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1416 {
|
|
|
1417 emsg_severe = TRUE;
|
|
|
1418 EMSG(_(e_trailing));
|
|
|
1419 break;
|
|
|
1420 }
|
|
|
1421
|
|
|
1422 if (!error && !eap->skip)
|
|
|
1423 {
|
|
|
1424 #ifdef FEAT_MAGIC_BRACES
|
|
|
1425 if (expr_start != NULL)
|
|
|
1426 {
|
|
|
1427 char_u *temp_string;
|
|
|
1428
|
|
|
1429 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1430 expr_end, name_end);
|
|
|
1431 if (temp_string == NULL)
|
|
|
1432 {
|
|
|
1433 /*
|
|
|
1434 * Report an invalid expression in braces, unless the
|
|
|
1435 * expression evaluation has been cancelled due to an
|
|
|
1436 * aborting error, an interrupt, or an exception.
|
|
|
1437 */
|
|
|
1438 if (!aborting())
|
|
|
1439 {
|
|
|
1440 emsg_severe = TRUE;
|
|
|
1441 EMSG2(_(e_invarg2), arg);
|
|
|
1442 break;
|
|
|
1443 }
|
|
|
1444 error = TRUE;
|
|
|
1445 }
|
|
|
1446 else
|
|
|
1447 {
|
|
|
1448 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1449 {
|
|
|
1450 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1451 error = TRUE;
|
|
|
1452 }
|
|
|
1453 vim_free(temp_string);
|
|
|
1454 }
|
|
|
1455 }
|
|
|
1456 else
|
|
|
1457 #endif
|
|
|
1458 {
|
|
|
1459 cc = *name_end;
|
|
|
1460 *name_end = NUL;
|
|
|
1461
|
|
|
1462 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1463 {
|
|
|
1464 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1465 error = TRUE;
|
|
|
1466 }
|
|
|
1467
|
|
|
1468 *name_end = cc;
|
|
|
1469 }
|
|
|
1470 }
|
|
|
1471 arg = skipwhite(name_end);
|
|
|
1472 } while (!ends_excmd(*arg));
|
|
|
1473
|
|
|
1474 eap->nextcmd = check_nextcmd(arg);
|
|
|
1475 }
|
|
|
1476
|
|
|
1477 /*
|
|
|
1478 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1479 */
|
|
|
1480 int
|
|
|
1481 do_unlet(name)
|
|
|
1482 char_u *name;
|
|
|
1483 {
|
|
|
1484 VAR v;
|
|
|
1485
|
|
|
1486 v = find_var(name, TRUE);
|
|
|
1487 if (v != NULL)
|
|
|
1488 {
|
|
|
1489 var_free_one(v);
|
|
|
1490 return OK;
|
|
|
1491 }
|
|
|
1492 return FAIL;
|
|
|
1493 }
|
|
|
1494
|
|
|
1495 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1496 /*
|
|
|
1497 * Delete all "menutrans_" variables.
|
|
|
1498 */
|
|
|
1499 void
|
|
|
1500 del_menutrans_vars()
|
|
|
1501 {
|
|
|
1502 int i;
|
|
|
1503
|
|
|
1504 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1505 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1506 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1507 var_free_one(&VAR_ENTRY(i));
|
|
|
1508 }
|
|
|
1509 #endif
|
|
|
1510
|
|
|
1511 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1512
|
|
|
1513 /*
|
|
|
1514 * Local string buffer for the next two functions to store a variable name
|
|
|
1515 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1516 * get_user_var_name().
|
|
|
1517 */
|
|
|
1518
|
|
|
1519 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1520
|
|
|
1521 static char_u *varnamebuf = NULL;
|
|
|
1522 static int varnamebuflen = 0;
|
|
|
1523
|
|
|
1524 /*
|
|
|
1525 * Function to concatenate a prefix and a variable name.
|
|
|
1526 */
|
|
|
1527 static char_u *
|
|
|
1528 cat_prefix_varname(prefix, name)
|
|
|
1529 int prefix;
|
|
|
1530 char_u *name;
|
|
|
1531 {
|
|
|
1532 int len;
|
|
|
1533
|
|
|
1534 len = (int)STRLEN(name) + 3;
|
|
|
1535 if (len > varnamebuflen)
|
|
|
1536 {
|
|
|
1537 vim_free(varnamebuf);
|
|
|
1538 len += 10; /* some additional space */
|
|
|
1539 varnamebuf = alloc(len);
|
|
|
1540 if (varnamebuf == NULL)
|
|
|
1541 {
|
|
|
1542 varnamebuflen = 0;
|
|
|
1543 return NULL;
|
|
|
1544 }
|
|
|
1545 varnamebuflen = len;
|
|
|
1546 }
|
|
|
1547 *varnamebuf = prefix;
|
|
|
1548 varnamebuf[1] = ':';
|
|
|
1549 STRCPY(varnamebuf + 2, name);
|
|
|
1550 return varnamebuf;
|
|
|
1551 }
|
|
|
1552
|
|
|
1553 /*
|
|
|
1554 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1555 * (global/buffer/window/built-in) variable names.
|
|
|
1556 */
|
|
|
1557 /*ARGSUSED*/
|
|
|
1558 char_u *
|
|
|
1559 get_user_var_name(xp, idx)
|
|
|
1560 expand_T *xp;
|
|
|
1561 int idx;
|
|
|
1562 {
|
|
|
1563 static int gidx;
|
|
|
1564 static int bidx;
|
|
|
1565 static int widx;
|
|
|
1566 static int vidx;
|
|
|
1567 char_u *name;
|
|
|
1568
|
|
|
1569 if (idx == 0)
|
|
|
1570 gidx = bidx = widx = vidx = 0;
|
|
|
1571 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1572 {
|
|
|
1573 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1574 && gidx < variables.ga_len)
|
|
|
1575 /* skip */;
|
|
|
1576 if (name != NULL)
|
|
|
1577 {
|
|
|
1578 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1579 return cat_prefix_varname('g', name);
|
|
|
1580 else
|
|
|
1581 return name;
|
|
|
1582 }
|
|
|
1583 }
|
|
|
1584 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1585 {
|
|
|
1586 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1587 && bidx < curbuf->b_vars.ga_len)
|
|
|
1588 /* skip */;
|
|
|
1589 if (name != NULL)
|
|
|
1590 return cat_prefix_varname('b', name);
|
|
|
1591 }
|
|
|
1592 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1593 {
|
|
|
1594 ++bidx;
|
|
|
1595 return (char_u *)"b:changedtick";
|
|
|
1596 }
|
|
|
1597 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1598 {
|
|
|
1599 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1600 && widx < curwin->w_vars.ga_len)
|
|
|
1601 /* skip */;
|
|
|
1602 if (name != NULL)
|
|
|
1603 return cat_prefix_varname('w', name);
|
|
|
1604 }
|
|
|
1605 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1606 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1607
|
|
|
1608 vim_free(varnamebuf);
|
|
|
1609 varnamebuf = NULL;
|
|
|
1610 varnamebuflen = 0;
|
|
|
1611 return NULL;
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 #endif /* FEAT_CMDL_COMPL */
|
|
|
1615
|
|
|
1616 /*
|
|
|
1617 * types for expressions.
|
|
|
1618 */
|
|
|
1619 typedef enum
|
|
|
1620 {
|
|
|
1621 TYPE_UNKNOWN = 0
|
|
|
1622 , TYPE_EQUAL /* == */
|
|
|
1623 , TYPE_NEQUAL /* != */
|
|
|
1624 , TYPE_GREATER /* > */
|
|
|
1625 , TYPE_GEQUAL /* >= */
|
|
|
1626 , TYPE_SMALLER /* < */
|
|
|
1627 , TYPE_SEQUAL /* <= */
|
|
|
1628 , TYPE_MATCH /* =~ */
|
|
|
1629 , TYPE_NOMATCH /* !~ */
|
|
|
1630 } exptype_T;
|
|
|
1631
|
|
|
1632 /*
|
|
|
1633 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1634 * executed. The function may return OK, but the retvar will be of type
|
|
|
1635 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1636 */
|
|
|
1637
|
|
|
1638 /*
|
|
|
1639 * Handle zero level expression.
|
|
|
1640 * This calls eval1() and handles error message and nextcmd.
|
|
|
1641 * Return OK or FAIL.
|
|
|
1642 */
|
|
|
1643 static int
|
|
|
1644 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1645 char_u *arg;
|
|
|
1646 VAR retvar;
|
|
|
1647 char_u **nextcmd;
|
|
|
1648 int evaluate;
|
|
|
1649 {
|
|
|
1650 int ret;
|
|
|
1651 char_u *p;
|
|
|
1652
|
|
|
1653 p = skipwhite(arg);
|
|
|
1654 ret = eval1(&p, retvar, evaluate);
|
|
|
1655 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1656 {
|
|
|
1657 if (ret != FAIL)
|
|
|
1658 clear_var(retvar);
|
|
|
1659 /*
|
|
|
1660 * Report the invalid expression unless the expression evaluation has
|
|
|
1661 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1662 * exception.
|
|
|
1663 */
|
|
|
1664 if (!aborting())
|
|
|
1665 EMSG2(_(e_invexpr2), arg);
|
|
|
1666 ret = FAIL;
|
|
|
1667 }
|
|
|
1668 if (nextcmd != NULL)
|
|
|
1669 *nextcmd = check_nextcmd(p);
|
|
|
1670
|
|
|
1671 return ret;
|
|
|
1672 }
|
|
|
1673
|
|
|
1674 /*
|
|
|
1675 * Handle top level expression:
|
|
|
1676 * expr1 ? expr0 : expr0
|
|
|
1677 *
|
|
|
1678 * "arg" must point to the first non-white of the expression.
|
|
|
1679 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1680 *
|
|
|
1681 * Return OK or FAIL.
|
|
|
1682 */
|
|
|
1683 static int
|
|
|
1684 eval1(arg, retvar, evaluate)
|
|
|
1685 char_u **arg;
|
|
|
1686 VAR retvar;
|
|
|
1687 int evaluate;
|
|
|
1688 {
|
|
|
1689 int result;
|
|
|
1690 var var2;
|
|
|
1691
|
|
|
1692 /*
|
|
|
1693 * Get the first variable.
|
|
|
1694 */
|
|
|
1695 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1696 return FAIL;
|
|
|
1697
|
|
|
1698 if ((*arg)[0] == '?')
|
|
|
1699 {
|
|
|
1700 result = FALSE;
|
|
|
1701 if (evaluate)
|
|
|
1702 {
|
|
|
1703 if (get_var_number(retvar) != 0)
|
|
|
1704 result = TRUE;
|
|
|
1705 clear_var(retvar);
|
|
|
1706 }
|
|
|
1707
|
|
|
1708 /*
|
|
|
1709 * Get the second variable.
|
|
|
1710 */
|
|
|
1711 *arg = skipwhite(*arg + 1);
|
|
|
1712 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1713 return FAIL;
|
|
|
1714
|
|
|
1715 /*
|
|
|
1716 * Check for the ":".
|
|
|
1717 */
|
|
|
1718 if ((*arg)[0] != ':')
|
|
|
1719 {
|
|
|
1720 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1721 if (evaluate && result)
|
|
|
1722 clear_var(retvar);
|
|
|
1723 return FAIL;
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 /*
|
|
|
1727 * Get the third variable.
|
|
|
1728 */
|
|
|
1729 *arg = skipwhite(*arg + 1);
|
|
|
1730 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1731 {
|
|
|
1732 if (evaluate && result)
|
|
|
1733 clear_var(retvar);
|
|
|
1734 return FAIL;
|
|
|
1735 }
|
|
|
1736 if (evaluate && !result)
|
|
|
1737 *retvar = var2;
|
|
|
1738 }
|
|
|
1739
|
|
|
1740 return OK;
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 /*
|
|
|
1744 * Handle first level expression:
|
|
|
1745 * expr2 || expr2 || expr2 logical OR
|
|
|
1746 *
|
|
|
1747 * "arg" must point to the first non-white of the expression.
|
|
|
1748 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1749 *
|
|
|
1750 * Return OK or FAIL.
|
|
|
1751 */
|
|
|
1752 static int
|
|
|
1753 eval2(arg, retvar, evaluate)
|
|
|
1754 char_u **arg;
|
|
|
1755 VAR retvar;
|
|
|
1756 int evaluate;
|
|
|
1757 {
|
|
|
1758 var var2;
|
|
|
1759 long result;
|
|
|
1760 int first;
|
|
|
1761
|
|
|
1762 /*
|
|
|
1763 * Get the first variable.
|
|
|
1764 */
|
|
|
1765 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1766 return FAIL;
|
|
|
1767
|
|
|
1768 /*
|
|
|
1769 * Repeat until there is no following "||".
|
|
|
1770 */
|
|
|
1771 first = TRUE;
|
|
|
1772 result = FALSE;
|
|
|
1773 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1774 {
|
|
|
1775 if (evaluate && first)
|
|
|
1776 {
|
|
|
1777 if (get_var_number(retvar) != 0)
|
|
|
1778 result = TRUE;
|
|
|
1779 clear_var(retvar);
|
|
|
1780 first = FALSE;
|
|
|
1781 }
|
|
|
1782
|
|
|
1783 /*
|
|
|
1784 * Get the second variable.
|
|
|
1785 */
|
|
|
1786 *arg = skipwhite(*arg + 2);
|
|
|
1787 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1788 return FAIL;
|
|
|
1789
|
|
|
1790 /*
|
|
|
1791 * Compute the result.
|
|
|
1792 */
|
|
|
1793 if (evaluate && !result)
|
|
|
1794 {
|
|
|
1795 if (get_var_number(&var2) != 0)
|
|
|
1796 result = TRUE;
|
|
|
1797 clear_var(&var2);
|
|
|
1798 }
|
|
|
1799 if (evaluate)
|
|
|
1800 {
|
|
|
1801 retvar->var_type = VAR_NUMBER;
|
|
|
1802 retvar->var_val.var_number = result;
|
|
|
1803 }
|
|
|
1804 }
|
|
|
1805
|
|
|
1806 return OK;
|
|
|
1807 }
|
|
|
1808
|
|
|
1809 /*
|
|
|
1810 * Handle second level expression:
|
|
|
1811 * expr3 && expr3 && expr3 logical AND
|
|
|
1812 *
|
|
|
1813 * "arg" must point to the first non-white of the expression.
|
|
|
1814 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1815 *
|
|
|
1816 * Return OK or FAIL.
|
|
|
1817 */
|
|
|
1818 static int
|
|
|
1819 eval3(arg, retvar, evaluate)
|
|
|
1820 char_u **arg;
|
|
|
1821 VAR retvar;
|
|
|
1822 int evaluate;
|
|
|
1823 {
|
|
|
1824 var var2;
|
|
|
1825 long result;
|
|
|
1826 int first;
|
|
|
1827
|
|
|
1828 /*
|
|
|
1829 * Get the first variable.
|
|
|
1830 */
|
|
|
1831 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1832 return FAIL;
|
|
|
1833
|
|
|
1834 /*
|
|
|
1835 * Repeat until there is no following "&&".
|
|
|
1836 */
|
|
|
1837 first = TRUE;
|
|
|
1838 result = TRUE;
|
|
|
1839 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1840 {
|
|
|
1841 if (evaluate && first)
|
|
|
1842 {
|
|
|
1843 if (get_var_number(retvar) == 0)
|
|
|
1844 result = FALSE;
|
|
|
1845 clear_var(retvar);
|
|
|
1846 first = FALSE;
|
|
|
1847 }
|
|
|
1848
|
|
|
1849 /*
|
|
|
1850 * Get the second variable.
|
|
|
1851 */
|
|
|
1852 *arg = skipwhite(*arg + 2);
|
|
|
1853 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1854 return FAIL;
|
|
|
1855
|
|
|
1856 /*
|
|
|
1857 * Compute the result.
|
|
|
1858 */
|
|
|
1859 if (evaluate && result)
|
|
|
1860 {
|
|
|
1861 if (get_var_number(&var2) == 0)
|
|
|
1862 result = FALSE;
|
|
|
1863 clear_var(&var2);
|
|
|
1864 }
|
|
|
1865 if (evaluate)
|
|
|
1866 {
|
|
|
1867 retvar->var_type = VAR_NUMBER;
|
|
|
1868 retvar->var_val.var_number = result;
|
|
|
1869 }
|
|
|
1870 }
|
|
|
1871
|
|
|
1872 return OK;
|
|
|
1873 }
|
|
|
1874
|
|
|
1875 /*
|
|
|
1876 * Handle third level expression:
|
|
|
1877 * var1 == var2
|
|
|
1878 * var1 =~ var2
|
|
|
1879 * var1 != var2
|
|
|
1880 * var1 !~ var2
|
|
|
1881 * var1 > var2
|
|
|
1882 * var1 >= var2
|
|
|
1883 * var1 < var2
|
|
|
1884 * var1 <= var2
|
|
|
1885 *
|
|
|
1886 * "arg" must point to the first non-white of the expression.
|
|
|
1887 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1888 *
|
|
|
1889 * Return OK or FAIL.
|
|
|
1890 */
|
|
|
1891 static int
|
|
|
1892 eval4(arg, retvar, evaluate)
|
|
|
1893 char_u **arg;
|
|
|
1894 VAR retvar;
|
|
|
1895 int evaluate;
|
|
|
1896 {
|
|
|
1897 var var2;
|
|
|
1898 char_u *p;
|
|
|
1899 int i;
|
|
|
1900 exptype_T type = TYPE_UNKNOWN;
|
|
|
1901 int len = 2;
|
|
|
1902 long n1, n2;
|
|
|
1903 char_u *s1, *s2;
|
|
|
1904 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1905 regmatch_T regmatch;
|
|
|
1906 int ic;
|
|
|
1907 char_u *save_cpo;
|
|
|
1908
|
|
|
1909 /*
|
|
|
1910 * Get the first variable.
|
|
|
1911 */
|
|
|
1912 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1913 return FAIL;
|
|
|
1914
|
|
|
1915 p = *arg;
|
|
|
1916 switch (p[0])
|
|
|
1917 {
|
|
|
1918 case '=': if (p[1] == '=')
|
|
|
1919 type = TYPE_EQUAL;
|
|
|
1920 else if (p[1] == '~')
|
|
|
1921 type = TYPE_MATCH;
|
|
|
1922 break;
|
|
|
1923 case '!': if (p[1] == '=')
|
|
|
1924 type = TYPE_NEQUAL;
|
|
|
1925 else if (p[1] == '~')
|
|
|
1926 type = TYPE_NOMATCH;
|
|
|
1927 break;
|
|
|
1928 case '>': if (p[1] != '=')
|
|
|
1929 {
|
|
|
1930 type = TYPE_GREATER;
|
|
|
1931 len = 1;
|
|
|
1932 }
|
|
|
1933 else
|
|
|
1934 type = TYPE_GEQUAL;
|
|
|
1935 break;
|
|
|
1936 case '<': if (p[1] != '=')
|
|
|
1937 {
|
|
|
1938 type = TYPE_SMALLER;
|
|
|
1939 len = 1;
|
|
|
1940 }
|
|
|
1941 else
|
|
|
1942 type = TYPE_SEQUAL;
|
|
|
1943 break;
|
|
|
1944 }
|
|
|
1945
|
|
|
1946 /*
|
|
|
1947 * If there is a comparitive operator, use it.
|
|
|
1948 */
|
|
|
1949 if (type != TYPE_UNKNOWN)
|
|
|
1950 {
|
|
|
1951 /* extra question mark appended: ignore case */
|
|
|
1952 if (p[len] == '?')
|
|
|
1953 {
|
|
|
1954 ic = TRUE;
|
|
|
1955 ++len;
|
|
|
1956 }
|
|
|
1957 /* extra '#' appended: match case */
|
|
|
1958 else if (p[len] == '#')
|
|
|
1959 {
|
|
|
1960 ic = FALSE;
|
|
|
1961 ++len;
|
|
|
1962 }
|
|
|
1963 /* nothing appened: use 'ignorecase' */
|
|
|
1964 else
|
|
|
1965 ic = p_ic;
|
|
|
1966
|
|
|
1967 /*
|
|
|
1968 * Get the second variable.
|
|
|
1969 */
|
|
|
1970 *arg = skipwhite(p + len);
|
|
|
1971 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1972 {
|
|
|
1973 clear_var(retvar);
|
|
|
1974 return FAIL;
|
|
|
1975 }
|
|
|
1976
|
|
|
1977 if (evaluate)
|
|
|
1978 {
|
|
|
1979 /*
|
|
|
1980 * If one of the two variables is a number, compare as a number.
|
|
|
1981 * When using "=~" or "!~", always compare as string.
|
|
|
1982 */
|
|
|
1983 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
1984 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
1985 {
|
|
|
1986 n1 = get_var_number(retvar);
|
|
|
1987 n2 = get_var_number(&var2);
|
|
|
1988 switch (type)
|
|
|
1989 {
|
|
|
1990 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
1991 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
1992 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
1993 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
1994 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
1995 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
1996 case TYPE_UNKNOWN:
|
|
|
1997 case TYPE_MATCH:
|
|
|
1998 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
1999 }
|
|
|
2000 }
|
|
|
2001 else
|
|
|
2002 {
|
|
|
2003 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2004 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2005 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2006 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
2007 else
|
|
|
2008 i = 0;
|
|
|
2009 n1 = FALSE;
|
|
|
2010 switch (type)
|
|
|
2011 {
|
|
|
2012 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
2013 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
2014 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2015 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2016 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2017 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2018
|
|
|
2019 case TYPE_MATCH:
|
|
|
2020 case TYPE_NOMATCH:
|
|
|
2021 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2022 save_cpo = p_cpo;
|
|
|
2023 p_cpo = (char_u *)"";
|
|
|
2024 regmatch.regprog = vim_regcomp(s2,
|
|
|
2025 RE_MAGIC + RE_STRING);
|
|
|
2026 regmatch.rm_ic = ic;
|
|
|
2027 if (regmatch.regprog != NULL)
|
|
|
2028 {
|
|
|
2029 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2030 vim_free(regmatch.regprog);
|
|
|
2031 if (type == TYPE_NOMATCH)
|
|
|
2032 n1 = !n1;
|
|
|
2033 }
|
|
|
2034 p_cpo = save_cpo;
|
|
|
2035 break;
|
|
|
2036
|
|
|
2037 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2038 }
|
|
|
2039 }
|
|
|
2040 clear_var(retvar);
|
|
|
2041 clear_var(&var2);
|
|
|
2042 retvar->var_type = VAR_NUMBER;
|
|
|
2043 retvar->var_val.var_number = n1;
|
|
|
2044 }
|
|
|
2045 }
|
|
|
2046
|
|
|
2047 return OK;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 /*
|
|
|
2051 * Handle fourth level expression:
|
|
|
2052 * + number addition
|
|
|
2053 * - number subtraction
|
|
|
2054 * . string concatenation
|
|
|
2055 *
|
|
|
2056 * "arg" must point to the first non-white of the expression.
|
|
|
2057 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2058 *
|
|
|
2059 * Return OK or FAIL.
|
|
|
2060 */
|
|
|
2061 static int
|
|
|
2062 eval5(arg, retvar, evaluate)
|
|
|
2063 char_u **arg;
|
|
|
2064 VAR retvar;
|
|
|
2065 int evaluate;
|
|
|
2066 {
|
|
|
2067 var var2;
|
|
|
2068 int op;
|
|
|
2069 long n1, n2;
|
|
|
2070 char_u *s1, *s2;
|
|
|
2071 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2072 char_u *p;
|
|
|
2073
|
|
|
2074 /*
|
|
|
2075 * Get the first variable.
|
|
|
2076 */
|
|
|
2077 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2078 return FAIL;
|
|
|
2079
|
|
|
2080 /*
|
|
|
2081 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2082 */
|
|
|
2083 for (;;)
|
|
|
2084 {
|
|
|
2085 op = **arg;
|
|
|
2086 if (op != '+' && op != '-' && op != '.')
|
|
|
2087 break;
|
|
|
2088
|
|
|
2089 /*
|
|
|
2090 * Get the second variable.
|
|
|
2091 */
|
|
|
2092 *arg = skipwhite(*arg + 1);
|
|
|
2093 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2094 {
|
|
|
2095 clear_var(retvar);
|
|
|
2096 return FAIL;
|
|
|
2097 }
|
|
|
2098
|
|
|
2099 if (evaluate)
|
|
|
2100 {
|
|
|
2101 /*
|
|
|
2102 * Compute the result.
|
|
|
2103 */
|
|
|
2104 if (op == '.')
|
|
|
2105 {
|
|
|
2106 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2107 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2108 op = (int)STRLEN(s1);
|
|
|
2109 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2110 if (p != NULL)
|
|
|
2111 {
|
|
|
2112 STRCPY(p, s1);
|
|
|
2113 STRCPY(p + op, s2);
|
|
|
2114 }
|
|
|
2115 clear_var(retvar);
|
|
|
2116 retvar->var_type = VAR_STRING;
|
|
|
2117 retvar->var_val.var_string = p;
|
|
|
2118 }
|
|
|
2119 else
|
|
|
2120 {
|
|
|
2121 n1 = get_var_number(retvar);
|
|
|
2122 n2 = get_var_number(&var2);
|
|
|
2123 clear_var(retvar);
|
|
|
2124 if (op == '+')
|
|
|
2125 n1 = n1 + n2;
|
|
|
2126 else
|
|
|
2127 n1 = n1 - n2;
|
|
|
2128 retvar->var_type = VAR_NUMBER;
|
|
|
2129 retvar->var_val.var_number = n1;
|
|
|
2130 }
|
|
|
2131 clear_var(&var2);
|
|
|
2132 }
|
|
|
2133 }
|
|
|
2134 return OK;
|
|
|
2135 }
|
|
|
2136
|
|
|
2137 /*
|
|
|
2138 * Handle fifth level expression:
|
|
|
2139 * * number multiplication
|
|
|
2140 * / number division
|
|
|
2141 * % number modulo
|
|
|
2142 *
|
|
|
2143 * "arg" must point to the first non-white of the expression.
|
|
|
2144 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2145 *
|
|
|
2146 * Return OK or FAIL.
|
|
|
2147 */
|
|
|
2148 static int
|
|
|
2149 eval6(arg, retvar, evaluate)
|
|
|
2150 char_u **arg;
|
|
|
2151 VAR retvar;
|
|
|
2152 int evaluate;
|
|
|
2153 {
|
|
|
2154 var var2;
|
|
|
2155 int op;
|
|
|
2156 long n1, n2;
|
|
|
2157
|
|
|
2158 /*
|
|
|
2159 * Get the first variable.
|
|
|
2160 */
|
|
|
2161 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2162 return FAIL;
|
|
|
2163
|
|
|
2164 /*
|
|
|
2165 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2166 */
|
|
|
2167 for (;;)
|
|
|
2168 {
|
|
|
2169 op = **arg;
|
|
|
2170 if (op != '*' && op != '/' && op != '%')
|
|
|
2171 break;
|
|
|
2172
|
|
|
2173 if (evaluate)
|
|
|
2174 {
|
|
|
2175 n1 = get_var_number(retvar);
|
|
|
2176 clear_var(retvar);
|
|
|
2177 }
|
|
|
2178 else
|
|
|
2179 n1 = 0;
|
|
|
2180
|
|
|
2181 /*
|
|
|
2182 * Get the second variable.
|
|
|
2183 */
|
|
|
2184 *arg = skipwhite(*arg + 1);
|
|
|
2185 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2186 return FAIL;
|
|
|
2187
|
|
|
2188 if (evaluate)
|
|
|
2189 {
|
|
|
2190 n2 = get_var_number(&var2);
|
|
|
2191 clear_var(&var2);
|
|
|
2192
|
|
|
2193 /*
|
|
|
2194 * Compute the result.
|
|
|
2195 */
|
|
|
2196 if (op == '*')
|
|
|
2197 n1 = n1 * n2;
|
|
|
2198 else if (op == '/')
|
|
|
2199 {
|
|
|
2200 if (n2 == 0) /* give an error message? */
|
|
|
2201 n1 = 0x7fffffffL;
|
|
|
2202 else
|
|
|
2203 n1 = n1 / n2;
|
|
|
2204 }
|
|
|
2205 else
|
|
|
2206 {
|
|
|
2207 if (n2 == 0) /* give an error message? */
|
|
|
2208 n1 = 0;
|
|
|
2209 else
|
|
|
2210 n1 = n1 % n2;
|
|
|
2211 }
|
|
|
2212 retvar->var_type = VAR_NUMBER;
|
|
|
2213 retvar->var_val.var_number = n1;
|
|
|
2214 }
|
|
|
2215 }
|
|
|
2216
|
|
|
2217 return OK;
|
|
|
2218 }
|
|
|
2219
|
|
|
2220 /*
|
|
|
2221 * Handle sixth level expression:
|
|
|
2222 * number number constant
|
|
|
2223 * "string" string contstant
|
|
|
2224 * 'string' literal string contstant
|
|
|
2225 * &option-name option value
|
|
|
2226 * @r register contents
|
|
|
2227 * identifier variable value
|
|
|
2228 * function() function call
|
|
|
2229 * $VAR environment variable
|
|
|
2230 * (expression) nested expression
|
|
|
2231 *
|
|
|
2232 * Also handle:
|
|
|
2233 * ! in front logical NOT
|
|
|
2234 * - in front unary minus
|
|
|
2235 * + in front unary plus (ignored)
|
|
|
2236 * trailing [] subscript in String
|
|
|
2237 *
|
|
|
2238 * "arg" must point to the first non-white of the expression.
|
|
|
2239 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2240 *
|
|
|
2241 * Return OK or FAIL.
|
|
|
2242 */
|
|
|
2243 static int
|
|
|
2244 eval7(arg, retvar, evaluate)
|
|
|
2245 char_u **arg;
|
|
|
2246 VAR retvar;
|
|
|
2247 int evaluate;
|
|
|
2248 {
|
|
|
2249 var var2;
|
|
|
2250 long n;
|
|
|
2251 int len;
|
|
|
2252 char_u *s;
|
|
|
2253 int val;
|
|
|
2254 char_u *start_leader, *end_leader;
|
|
|
2255 int ret = OK;
|
|
|
2256 char_u *alias;
|
|
|
2257
|
|
|
2258 /*
|
|
|
2259 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2260 * and free a string that isn't there.
|
|
|
2261 */
|
|
|
2262 retvar->var_type = VAR_UNKNOWN;
|
|
|
2263
|
|
|
2264 /*
|
|
|
2265 * Skip '!' and '-' characters. They are handled later.
|
|
|
2266 */
|
|
|
2267 start_leader = *arg;
|
|
|
2268 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2269 *arg = skipwhite(*arg + 1);
|
|
|
2270 end_leader = *arg;
|
|
|
2271
|
|
|
2272 switch (**arg)
|
|
|
2273 {
|
|
|
2274 /*
|
|
|
2275 * Number constant.
|
|
|
2276 */
|
|
|
2277 case '0':
|
|
|
2278 case '1':
|
|
|
2279 case '2':
|
|
|
2280 case '3':
|
|
|
2281 case '4':
|
|
|
2282 case '5':
|
|
|
2283 case '6':
|
|
|
2284 case '7':
|
|
|
2285 case '8':
|
|
|
2286 case '9':
|
|
|
2287 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2288 *arg += len;
|
|
|
2289 if (evaluate)
|
|
|
2290 {
|
|
|
2291 retvar->var_type = VAR_NUMBER;
|
|
|
2292 retvar->var_val.var_number = n;
|
|
|
2293 }
|
|
|
2294 break;
|
|
|
2295
|
|
|
2296 /*
|
|
|
2297 * String constant: "string".
|
|
|
2298 */
|
|
|
2299 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2300 break;
|
|
|
2301
|
|
|
2302 /*
|
|
|
2303 * Literal string constant: 'string'.
|
|
|
2304 */
|
|
|
2305 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2306 break;
|
|
|
2307
|
|
|
2308 /*
|
|
|
2309 * Option value: &name
|
|
|
2310 */
|
|
|
2311 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2312 break;
|
|
|
2313
|
|
|
2314 /*
|
|
|
2315 * Environment variable: $VAR.
|
|
|
2316 */
|
|
|
2317 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2318 break;
|
|
|
2319
|
|
|
2320 /*
|
|
|
2321 * Register contents: @r.
|
|
|
2322 */
|
|
|
2323 case '@': ++*arg;
|
|
|
2324 if (evaluate)
|
|
|
2325 {
|
|
|
2326 retvar->var_type = VAR_STRING;
|
|
|
2327 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2328 }
|
|
|
2329 if (**arg != NUL)
|
|
|
2330 ++*arg;
|
|
|
2331 break;
|
|
|
2332
|
|
|
2333 /*
|
|
|
2334 * nested expression: (expression).
|
|
|
2335 */
|
|
|
2336 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2337 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2338 if (**arg == ')')
|
|
|
2339 ++*arg;
|
|
|
2340 else if (ret == OK)
|
|
|
2341 {
|
|
|
2342 EMSG(_("E110: Missing ')'"));
|
|
|
2343 clear_var(retvar);
|
|
|
2344 ret = FAIL;
|
|
|
2345 }
|
|
|
2346 break;
|
|
|
2347
|
|
|
2348 /*
|
|
|
2349 * Must be a variable or function name then.
|
|
|
2350 */
|
|
|
2351 default: s = *arg;
|
|
|
2352 len = get_func_len(arg, &alias, evaluate);
|
|
|
2353 if (alias != NULL)
|
|
|
2354 s = alias;
|
|
|
2355
|
|
|
2356 if (len == 0)
|
|
|
2357 ret = FAIL;
|
|
|
2358 else
|
|
|
2359 {
|
|
|
2360 if (**arg == '(') /* recursive! */
|
|
|
2361 {
|
|
|
2362 ret = get_func_var(s, len, retvar, arg,
|
|
|
2363 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2364 &len, evaluate);
|
|
|
2365 /* Stop the expression evaluation when immediately
|
|
|
2366 * aborting on error, or when an interrupt occurred or
|
|
|
2367 * an exception was thrown but not caught. */
|
|
|
2368 if (aborting())
|
|
|
2369 {
|
|
|
2370 if (ret == OK)
|
|
|
2371 clear_var(retvar);
|
|
|
2372 ret = FAIL;
|
|
|
2373 }
|
|
|
2374 }
|
|
|
2375 else if (evaluate)
|
|
|
2376 ret = get_var_var(s, len, retvar);
|
|
|
2377 }
|
|
|
2378
|
|
|
2379 if (alias != NULL)
|
|
|
2380 vim_free(alias);
|
|
|
2381
|
|
|
2382 break;
|
|
|
2383 }
|
|
|
2384 *arg = skipwhite(*arg);
|
|
|
2385
|
|
|
2386 /*
|
|
|
2387 * Handle expr[expr] subscript.
|
|
|
2388 */
|
|
|
2389 if (**arg == '[' && ret == OK)
|
|
|
2390 {
|
|
|
2391 /*
|
|
|
2392 * Get the variable from inside the [].
|
|
|
2393 */
|
|
|
2394 *arg = skipwhite(*arg + 1);
|
|
|
2395 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2396 {
|
|
|
2397 clear_var(retvar);
|
|
|
2398 return FAIL;
|
|
|
2399 }
|
|
|
2400
|
|
|
2401 /* Check for the ']'. */
|
|
|
2402 if (**arg != ']')
|
|
|
2403 {
|
|
|
2404 EMSG(_("E111: Missing ']'"));
|
|
|
2405 clear_var(retvar);
|
|
|
2406 clear_var(&var2);
|
|
|
2407 return FAIL;
|
|
|
2408 }
|
|
|
2409
|
|
|
2410 if (evaluate)
|
|
|
2411 {
|
|
|
2412 n = get_var_number(&var2);
|
|
|
2413 clear_var(&var2);
|
|
|
2414
|
|
|
2415 /*
|
|
|
2416 * The resulting variable is a string of a single character.
|
|
|
2417 * If the index is too big or negative, the result is empty.
|
|
|
2418 */
|
|
|
2419 s = get_var_string(retvar);
|
|
|
2420 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2421 s = NULL;
|
|
|
2422 else
|
|
|
2423 s = vim_strnsave(s + n, 1);
|
|
|
2424 clear_var(retvar);
|
|
|
2425 retvar->var_type = VAR_STRING;
|
|
|
2426 retvar->var_val.var_string = s;
|
|
|
2427 }
|
|
|
2428 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2429 }
|
|
|
2430
|
|
|
2431 /*
|
|
|
2432 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2433 */
|
|
|
2434 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2435 {
|
|
|
2436 val = get_var_number(retvar);
|
|
|
2437 while (end_leader > start_leader)
|
|
|
2438 {
|
|
|
2439 --end_leader;
|
|
|
2440 if (*end_leader == '!')
|
|
|
2441 val = !val;
|
|
|
2442 else if (*end_leader == '-')
|
|
|
2443 val = -val;
|
|
|
2444 }
|
|
|
2445 clear_var(retvar);
|
|
|
2446 retvar->var_type = VAR_NUMBER;
|
|
|
2447 retvar->var_val.var_number = val;
|
|
|
2448 }
|
|
|
2449
|
|
|
2450 return ret;
|
|
|
2451 }
|
|
|
2452
|
|
|
2453 /*
|
|
|
2454 * Get an option value.
|
|
|
2455 * "arg" points to the '&' or '+' before the option name.
|
|
|
2456 * "arg" is advanced to character after the option name.
|
|
|
2457 * Return OK or FAIL.
|
|
|
2458 */
|
|
|
2459 static int
|
|
|
2460 get_option_var(arg, retvar, evaluate)
|
|
|
2461 char_u **arg;
|
|
|
2462 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2463 int evaluate;
|
|
|
2464 {
|
|
|
2465 char_u *option_end;
|
|
|
2466 long numval;
|
|
|
2467 char_u *stringval;
|
|
|
2468 int opt_type;
|
|
|
2469 int c;
|
|
|
2470 int working = (**arg == '+'); /* has("+option") */
|
|
|
2471 int ret = OK;
|
|
|
2472 int opt_flags;
|
|
|
2473
|
|
|
2474 /*
|
|
|
2475 * Isolate the option name and find its value.
|
|
|
2476 */
|
|
|
2477 option_end = find_option_end(arg, &opt_flags);
|
|
|
2478 if (option_end == NULL)
|
|
|
2479 {
|
|
|
2480 if (retvar != NULL)
|
|
|
2481 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2482 return FAIL;
|
|
|
2483 }
|
|
|
2484
|
|
|
2485 if (!evaluate)
|
|
|
2486 {
|
|
|
2487 *arg = option_end;
|
|
|
2488 return OK;
|
|
|
2489 }
|
|
|
2490
|
|
|
2491 c = *option_end;
|
|
|
2492 *option_end = NUL;
|
|
|
2493 opt_type = get_option_value(*arg, &numval,
|
|
|
2494 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2495
|
|
|
2496 if (opt_type == -3) /* invalid name */
|
|
|
2497 {
|
|
|
2498 if (retvar != NULL)
|
|
|
2499 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2500 ret = FAIL;
|
|
|
2501 }
|
|
|
2502 else if (retvar != NULL)
|
|
|
2503 {
|
|
|
2504 if (opt_type == -2) /* hidden string option */
|
|
|
2505 {
|
|
|
2506 retvar->var_type = VAR_STRING;
|
|
|
2507 retvar->var_val.var_string = NULL;
|
|
|
2508 }
|
|
|
2509 else if (opt_type == -1) /* hidden number option */
|
|
|
2510 {
|
|
|
2511 retvar->var_type = VAR_NUMBER;
|
|
|
2512 retvar->var_val.var_number = 0;
|
|
|
2513 }
|
|
|
2514 else if (opt_type == 1) /* number option */
|
|
|
2515 {
|
|
|
2516 retvar->var_type = VAR_NUMBER;
|
|
|
2517 retvar->var_val.var_number = numval;
|
|
|
2518 }
|
|
|
2519 else /* string option */
|
|
|
2520 {
|
|
|
2521 retvar->var_type = VAR_STRING;
|
|
|
2522 retvar->var_val.var_string = stringval;
|
|
|
2523 }
|
|
|
2524 }
|
|
|
2525 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2526 ret = FAIL;
|
|
|
2527
|
|
|
2528 *option_end = c; /* put back for error messages */
|
|
|
2529 *arg = option_end;
|
|
|
2530
|
|
|
2531 return ret;
|
|
|
2532 }
|
|
|
2533
|
|
|
2534 /*
|
|
|
2535 * Allocate a variable for a string constant.
|
|
|
2536 * Return OK or FAIL.
|
|
|
2537 */
|
|
|
2538 static int
|
|
|
2539 get_string_var(arg, retvar, evaluate)
|
|
|
2540 char_u **arg;
|
|
|
2541 VAR retvar;
|
|
|
2542 int evaluate;
|
|
|
2543 {
|
|
|
2544 char_u *p;
|
|
|
2545 char_u *name;
|
|
|
2546 int i;
|
|
|
2547 int extra = 0;
|
|
|
2548
|
|
|
2549 /*
|
|
|
2550 * Find the end of the string, skipping backslashed characters.
|
|
|
2551 */
|
|
|
2552 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2553 {
|
|
|
2554 if (*p == '\\' && p[1] != NUL)
|
|
|
2555 {
|
|
|
2556 ++p;
|
|
|
2557 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2558 * to 6 characters: reserve space for 2 extra */
|
|
|
2559 if (*p == '<')
|
|
|
2560 extra += 2;
|
|
|
2561 }
|
|
|
2562 #ifdef FEAT_MBYTE
|
|
|
2563 if (has_mbyte)
|
|
|
2564 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2565 #endif
|
|
|
2566 }
|
|
|
2567
|
|
|
2568 if (*p != '"')
|
|
|
2569 {
|
|
|
2570 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2571 return FAIL;
|
|
|
2572 }
|
|
|
2573
|
|
|
2574 /* If only parsing, set *arg and return here */
|
|
|
2575 if (!evaluate)
|
|
|
2576 {
|
|
|
2577 *arg = p + 1;
|
|
|
2578 return OK;
|
|
|
2579 }
|
|
|
2580
|
|
|
2581 /*
|
|
|
2582 * Copy the string into allocated memory, handling backslashed
|
|
|
2583 * characters.
|
|
|
2584 */
|
|
|
2585 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2586 if (name == NULL)
|
|
|
2587 return FAIL;
|
|
|
2588
|
|
|
2589 i = 0;
|
|
|
2590 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2591 {
|
|
|
2592 if (*p == '\\')
|
|
|
2593 {
|
|
|
2594 switch (*++p)
|
|
|
2595 {
|
|
|
2596 case 'b': name[i++] = BS; break;
|
|
|
2597 case 'e': name[i++] = ESC; break;
|
|
|
2598 case 'f': name[i++] = FF; break;
|
|
|
2599 case 'n': name[i++] = NL; break;
|
|
|
2600 case 'r': name[i++] = CAR; break;
|
|
|
2601 case 't': name[i++] = TAB; break;
|
|
|
2602
|
|
|
2603 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2604 case 'x':
|
|
|
2605 case 'u': /* Unicode: "\u0023" */
|
|
|
2606 case 'U':
|
|
|
2607 if (vim_isxdigit(p[1]))
|
|
|
2608 {
|
|
|
2609 int n, nr;
|
|
|
2610 int c = toupper(*p);
|
|
|
2611
|
|
|
2612 if (c == 'X')
|
|
|
2613 n = 2;
|
|
|
2614 else
|
|
|
2615 n = 4;
|
|
|
2616 nr = 0;
|
|
|
2617 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2618 {
|
|
|
2619 ++p;
|
|
|
2620 nr = (nr << 4) + hex2nr(*p);
|
|
|
2621 }
|
|
|
2622 #ifdef FEAT_MBYTE
|
|
|
2623 /* For "\u" store the number according to
|
|
|
2624 * 'encoding'. */
|
|
|
2625 if (c != 'X')
|
|
|
2626 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2627 else
|
|
|
2628 #endif
|
|
|
2629 name[i++] = nr;
|
|
|
2630 }
|
|
|
2631 else
|
|
|
2632 name[i++] = *p;
|
|
|
2633 break;
|
|
|
2634
|
|
|
2635 /* octal: "\1", "\12", "\123" */
|
|
|
2636 case '0':
|
|
|
2637 case '1':
|
|
|
2638 case '2':
|
|
|
2639 case '3':
|
|
|
2640 case '4':
|
|
|
2641 case '5':
|
|
|
2642 case '6':
|
|
|
2643 case '7': name[i] = *p - '0';
|
|
|
2644 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2645 {
|
|
|
2646 ++p;
|
|
|
2647 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2648 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2649 {
|
|
|
2650 ++p;
|
|
|
2651 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2652 }
|
|
|
2653 }
|
|
|
2654 ++i;
|
|
|
2655 break;
|
|
|
2656
|
|
|
2657 /* Special key, e.g.: "\<C-W>" */
|
|
|
2658 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2659 if (extra != 0)
|
|
|
2660 {
|
|
|
2661 i += extra;
|
|
|
2662 --p;
|
|
|
2663 break;
|
|
|
2664 }
|
|
|
2665 /* FALLTHROUGH */
|
|
|
2666
|
|
|
2667 default: name[i++] = *p;
|
|
|
2668 break;
|
|
|
2669 }
|
|
|
2670 }
|
|
|
2671 else
|
|
|
2672 name[i++] = *p;
|
|
|
2673
|
|
|
2674 #ifdef FEAT_MBYTE
|
|
|
2675 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2676 if (has_mbyte)
|
|
|
2677 {
|
|
|
2678 int l = (*mb_ptr2len_check)(p);
|
|
|
2679
|
|
|
2680 while (--l > 0)
|
|
|
2681 name[i++] = *++p;
|
|
|
2682 }
|
|
|
2683 #endif
|
|
|
2684 }
|
|
|
2685 name[i] = NUL;
|
|
|
2686 *arg = p + 1;
|
|
|
2687
|
|
|
2688 retvar->var_type = VAR_STRING;
|
|
|
2689 retvar->var_val.var_string = name;
|
|
|
2690
|
|
|
2691 return OK;
|
|
|
2692 }
|
|
|
2693
|
|
|
2694 /*
|
|
|
2695 * Allocate a variable for an backtick-string constant.
|
|
|
2696 * Return OK or FAIL.
|
|
|
2697 */
|
|
|
2698 static int
|
|
|
2699 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2700 char_u **arg;
|
|
|
2701 VAR retvar;
|
|
|
2702 int evaluate;
|
|
|
2703 {
|
|
|
2704 char_u *p;
|
|
|
2705 char_u *name;
|
|
|
2706
|
|
|
2707 /*
|
|
|
2708 * Find the end of the string.
|
|
|
2709 */
|
|
|
2710 p = vim_strchr(*arg + 1, '\'');
|
|
|
2711 if (p == NULL)
|
|
|
2712 {
|
|
|
2713 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2714 return FAIL;
|
|
|
2715 }
|
|
|
2716
|
|
|
2717 if (evaluate)
|
|
|
2718 {
|
|
|
2719 /*
|
|
|
2720 * Copy the string into allocated memory.
|
|
|
2721 */
|
|
|
2722 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2723 if (name == NULL)
|
|
|
2724 return FAIL;
|
|
|
2725
|
|
|
2726 retvar->var_type = VAR_STRING;
|
|
|
2727 retvar->var_val.var_string = name;
|
|
|
2728 }
|
|
|
2729
|
|
|
2730 *arg = p + 1;
|
|
|
2731
|
|
|
2732 return OK;
|
|
|
2733 }
|
|
|
2734
|
|
|
2735 /*
|
|
|
2736 * Get the value of an environment variable.
|
|
|
2737 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2738 * If the environment variable was not set, silently assume it is empty.
|
|
|
2739 * Always return OK.
|
|
|
2740 */
|
|
|
2741 static int
|
|
|
2742 get_env_var(arg, retvar, evaluate)
|
|
|
2743 char_u **arg;
|
|
|
2744 VAR retvar;
|
|
|
2745 int evaluate;
|
|
|
2746 {
|
|
|
2747 char_u *string = NULL;
|
|
|
2748 int len;
|
|
|
2749 int cc;
|
|
|
2750 char_u *name;
|
|
|
2751
|
|
|
2752 ++*arg;
|
|
|
2753 name = *arg;
|
|
|
2754 len = get_env_len(arg);
|
|
|
2755 if (evaluate)
|
|
|
2756 {
|
|
|
2757 if (len != 0)
|
|
|
2758 {
|
|
|
2759 cc = name[len];
|
|
|
2760 name[len] = NUL;
|
|
|
2761 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2762 string = mch_getenv(name);
|
|
|
2763 if (string != NULL && *string != NUL)
|
|
|
2764 string = vim_strsave(string);
|
|
|
2765 else
|
|
|
2766 {
|
|
|
2767 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2768 string = expand_env_save(name - 1);
|
|
|
2769 if (string != NULL && *string == '$')
|
|
|
2770 {
|
|
|
2771 vim_free(string);
|
|
|
2772 string = NULL;
|
|
|
2773 }
|
|
|
2774 }
|
|
|
2775 name[len] = cc;
|
|
|
2776 }
|
|
|
2777 retvar->var_type = VAR_STRING;
|
|
|
2778 retvar->var_val.var_string = string;
|
|
|
2779 }
|
|
|
2780
|
|
|
2781 return OK;
|
|
|
2782 }
|
|
|
2783
|
|
|
2784 /*
|
|
|
2785 * Array with names and number of arguments of all internal functions
|
|
|
2786 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2787 */
|
|
|
2788 static struct fst
|
|
|
2789 {
|
|
|
2790 char *f_name; /* function name */
|
|
|
2791 char f_min_argc; /* minimal number of arguments */
|
|
|
2792 char f_max_argc; /* maximal number of arguments */
|
|
|
2793 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2794 } functions[] =
|
|
|
2795 {
|
|
|
2796 {"append", 2, 2, f_append},
|
|
|
2797 {"argc", 0, 0, f_argc},
|
|
|
2798 {"argidx", 0, 0, f_argidx},
|
|
|
2799 {"argv", 1, 1, f_argv},
|
|
|
2800 {"browse", 4, 4, f_browse},
|
|
|
2801 {"bufexists", 1, 1, f_bufexists},
|
|
|
2802 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2803 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2804 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2805 {"buflisted", 1, 1, f_buflisted},
|
|
|
2806 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2807 {"bufname", 1, 1, f_bufname},
|
|
|
2808 {"bufnr", 1, 1, f_bufnr},
|
|
|
2809 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2810 {"byte2line", 1, 1, f_byte2line},
|
|
|
2811 {"char2nr", 1, 1, f_char2nr},
|
|
|
2812 {"cindent", 1, 1, f_cindent},
|
|
|
2813 {"col", 1, 1, f_col},
|
|
|
2814 {"confirm", 1, 4, f_confirm},
|
|
|
2815 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2816 {"cursor", 2, 2, f_cursor},
|
|
|
2817 {"delete", 1, 1, f_delete},
|
|
|
2818 {"did_filetype", 0, 0, f_did_filetype},
|
|
|
2819 {"escape", 2, 2, f_escape},
|
|
|
2820 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2821 {"executable", 1, 1, f_executable},
|
|
|
2822 {"exists", 1, 1, f_exists},
|
|
|
2823 {"expand", 1, 2, f_expand},
|
|
|
2824 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2825 {"filereadable", 1, 1, f_filereadable},
|
|
|
2826 {"filewritable", 1, 1, f_filewritable},
|
|
|
2827 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2828 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2829 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2830 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2831 {"foldtext", 0, 0, f_foldtext},
|
|
|
2832 {"foreground", 0, 0, f_foreground},
|
|
|
2833 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2834 {"getchar", 0, 1, f_getchar},
|
|
|
2835 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2836 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2837 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2838 {"getcwd", 0, 0, f_getcwd},
|
|
|
2839 {"getfsize", 1, 1, f_getfsize},
|
|
|
2840 {"getftime", 1, 1, f_getftime},
|
|
|
2841 {"getline", 1, 1, f_getline},
|
|
|
2842 {"getreg", 0, 1, f_getreg},
|
|
|
2843 {"getregtype", 0, 1, f_getregtype},
|
|
|
2844 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2845 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2846 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2847 {"glob", 1, 1, f_glob},
|
|
|
2848 {"globpath", 2, 2, f_globpath},
|
|
|
2849 {"has", 1, 1, f_has},
|
|
|
2850 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2851 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2852 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2853 {"histadd", 2, 2, f_histadd},
|
|
|
2854 {"histdel", 1, 2, f_histdel},
|
|
|
2855 {"histget", 1, 2, f_histget},
|
|
|
2856 {"histnr", 1, 1, f_histnr},
|
|
|
2857 {"hlID", 1, 1, f_hlID},
|
|
|
2858 {"hlexists", 1, 1, f_hlexists},
|
|
|
2859 {"hostname", 0, 0, f_hostname},
|
|
|
2860 {"iconv", 3, 3, f_iconv},
|
|
|
2861 {"indent", 1, 1, f_indent},
|
|
|
2862 {"input", 1, 2, f_input},
|
|
|
2863 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2864 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2865 {"inputsave", 0, 0, f_inputsave},
|
|
|
2866 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2867 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2868 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2869 {"libcall", 3, 3, f_libcall},
|
|
|
2870 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2871 {"line", 1, 1, f_line},
|
|
|
2872 {"line2byte", 1, 1, f_line2byte},
|
|
|
2873 {"lispindent", 1, 1, f_lispindent},
|
|
|
2874 {"localtime", 0, 0, f_localtime},
|
|
|
2875 {"maparg", 1, 2, f_maparg},
|
|
|
2876 {"mapcheck", 1, 2, f_mapcheck},
|
|
|
2877 {"match", 2, 3, f_match},
|
|
|
2878 {"matchend", 2, 3, f_matchend},
|
|
|
2879 {"matchstr", 2, 3, f_matchstr},
|
|
|
2880 {"mode", 0, 0, f_mode},
|
|
|
2881 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2882 {"nr2char", 1, 1, f_nr2char},
|
|
|
2883 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2884 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2885 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2886 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2887 {"remote_read", 1, 1, f_remote_read},
|
|
|
2888 {"remote_send", 2, 3, f_remote_send},
|
|
|
2889 {"rename", 2, 2, f_rename},
|
|
|
2890 {"resolve", 1, 1, f_resolve},
|
|
|
2891 {"search", 1, 2, f_search},
|
|
|
2892 {"searchpair", 3, 5, f_searchpair},
|
|
|
2893 {"server2client", 2, 2, f_server2client},
|
|
|
2894 {"serverlist", 0, 0, f_serverlist},
|
|
|
2895 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2896 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2897 {"setline", 2, 2, f_setline},
|
|
|
2898 {"setreg", 2, 3, f_setreg},
|
|
|
2899 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2900 {"simplify", 1, 1, f_simplify},
|
|
|
2901 #ifdef HAVE_STRFTIME
|
|
|
2902 {"strftime", 1, 2, f_strftime},
|
|
|
2903 #endif
|
|
|
2904 {"stridx", 2, 2, f_stridx},
|
|
|
2905 {"strlen", 1, 1, f_strlen},
|
|
|
2906 {"strpart", 2, 3, f_strpart},
|
|
|
2907 {"strridx", 2, 2, f_strridx},
|
|
|
2908 {"strtrans", 1, 1, f_strtrans},
|
|
|
2909 {"submatch", 1, 1, f_submatch},
|
|
|
2910 {"substitute", 4, 4, f_substitute},
|
|
|
2911 {"synID", 3, 3, f_synID},
|
|
|
2912 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2913 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
|
2914 {"system", 1, 1, f_system},
|
|
|
2915 {"tempname", 0, 0, f_tempname},
|
|
|
2916 {"tolower", 1, 1, f_tolower},
|
|
|
2917 {"toupper", 1, 1, f_toupper},
|
|
|
2918 {"type", 1, 1, f_type},
|
|
|
2919 {"virtcol", 1, 1, f_virtcol},
|
|
|
2920 {"visualmode", 0, 1, f_visualmode},
|
|
|
2921 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2922 {"wincol", 0, 0, f_wincol},
|
|
|
2923 {"winheight", 1, 1, f_winheight},
|
|
|
2924 {"winline", 0, 0, f_winline},
|
|
|
2925 {"winnr", 0, 0, f_winnr},
|
|
|
2926 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2927 {"winwidth", 1, 1, f_winwidth},
|
|
|
2928 };
|
|
|
2929
|
|
|
2930 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2931
|
|
|
2932 /*
|
|
|
2933 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2934 * or user defined function names.
|
|
|
2935 */
|
|
|
2936 char_u *
|
|
|
2937 get_function_name(xp, idx)
|
|
|
2938 expand_T *xp;
|
|
|
2939 int idx;
|
|
|
2940 {
|
|
|
2941 static int intidx = -1;
|
|
|
2942 char_u *name;
|
|
|
2943
|
|
|
2944 if (idx == 0)
|
|
|
2945 intidx = -1;
|
|
|
2946 if (intidx < 0)
|
|
|
2947 {
|
|
|
2948 name = get_user_func_name(xp, idx);
|
|
|
2949 if (name != NULL)
|
|
|
2950 return name;
|
|
|
2951 }
|
|
|
2952 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2953 {
|
|
|
2954 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2955 STRCAT(IObuff, "(");
|
|
|
2956 if (functions[intidx].f_max_argc == 0)
|
|
|
2957 STRCAT(IObuff, ")");
|
|
|
2958 return IObuff;
|
|
|
2959 }
|
|
|
2960
|
|
|
2961 return NULL;
|
|
|
2962 }
|
|
|
2963
|
|
|
2964 /*
|
|
|
2965 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2966 * user defined variable or function names.
|
|
|
2967 */
|
|
|
2968 /*ARGSUSED*/
|
|
|
2969 char_u *
|
|
|
2970 get_expr_name(xp, idx)
|
|
|
2971 expand_T *xp;
|
|
|
2972 int idx;
|
|
|
2973 {
|
|
|
2974 static int intidx = -1;
|
|
|
2975 char_u *name;
|
|
|
2976
|
|
|
2977 if (idx == 0)
|
|
|
2978 intidx = -1;
|
|
|
2979 if (intidx < 0)
|
|
|
2980 {
|
|
|
2981 name = get_function_name(xp, idx);
|
|
|
2982 if (name != NULL)
|
|
|
2983 return name;
|
|
|
2984 }
|
|
|
2985 return get_user_var_name(xp, ++intidx);
|
|
|
2986 }
|
|
|
2987
|
|
|
2988 #endif /* FEAT_CMDL_COMPL */
|
|
|
2989
|
|
|
2990 /*
|
|
|
2991 * Find internal function in table above.
|
|
|
2992 * Return index, or -1 if not found
|
|
|
2993 */
|
|
|
2994 static int
|
|
|
2995 find_internal_func(name)
|
|
|
2996 char_u *name; /* name of the function */
|
|
|
2997 {
|
|
|
2998 int first = 0;
|
|
|
2999 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
3000 int cmp;
|
|
|
3001 int x;
|
|
|
3002
|
|
|
3003 /*
|
|
|
3004 * Find the function name in the table. Binary search.
|
|
|
3005 */
|
|
|
3006 while (first <= last)
|
|
|
3007 {
|
|
|
3008 x = first + ((unsigned)(last - first) >> 1);
|
|
|
3009 cmp = STRCMP(name, functions[x].f_name);
|
|
|
3010 if (cmp < 0)
|
|
|
3011 last = x - 1;
|
|
|
3012 else if (cmp > 0)
|
|
|
3013 first = x + 1;
|
|
|
3014 else
|
|
|
3015 return x;
|
|
|
3016 }
|
|
|
3017 return -1;
|
|
|
3018 }
|
|
|
3019
|
|
|
3020 /*
|
|
|
3021 * Allocate a variable for the result of a function.
|
|
|
3022 * Return OK or FAIL.
|
|
|
3023 */
|
|
|
3024 static int
|
|
|
3025 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3026 char_u *name; /* name of the function */
|
|
|
3027 int len; /* length of "name" */
|
|
|
3028 VAR retvar;
|
|
|
3029 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3030 linenr_T firstline; /* first line of range */
|
|
|
3031 linenr_T lastline; /* last line of range */
|
|
|
3032 int *doesrange; /* return: function handled range */
|
|
|
3033 int evaluate;
|
|
|
3034 {
|
|
|
3035 char_u *argp;
|
|
|
3036 int ret = OK;
|
|
|
3037 #define MAX_FUNC_ARGS 20
|
|
|
3038 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3039 int argcount = 0; /* number of arguments found */
|
|
|
3040
|
|
|
3041 /*
|
|
|
3042 * Get the arguments.
|
|
|
3043 */
|
|
|
3044 argp = *arg;
|
|
|
3045 while (argcount < MAX_FUNC_ARGS)
|
|
|
3046 {
|
|
|
3047 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3048 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3049 break;
|
|
|
3050 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3051 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3052 {
|
|
|
3053 ret = FAIL;
|
|
|
3054 break;
|
|
|
3055 }
|
|
|
3056 ++argcount;
|
|
|
3057 if (*argp != ',')
|
|
|
3058 break;
|
|
|
3059 }
|
|
|
3060 if (*argp == ')')
|
|
|
3061 ++argp;
|
|
|
3062 else
|
|
|
3063 ret = FAIL;
|
|
|
3064
|
|
|
3065 if (ret == OK)
|
|
|
3066 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3067 firstline, lastline, doesrange, evaluate);
|
|
|
3068 else if (!aborting())
|
|
|
3069 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3070
|
|
|
3071 while (--argcount >= 0)
|
|
|
3072 clear_var(&argvars[argcount]);
|
|
|
3073
|
|
|
3074 *arg = skipwhite(argp);
|
|
|
3075 return ret;
|
|
|
3076 }
|
|
|
3077
|
|
|
3078
|
|
|
3079 /*
|
|
|
3080 * Call a function with its resolved parameters
|
|
|
3081 * Return OK or FAIL.
|
|
|
3082 */
|
|
|
3083 static int
|
|
|
3084 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3085 doesrange, evaluate)
|
|
|
3086 char_u *name; /* name of the function */
|
|
|
3087 int len; /* length of "name" */
|
|
|
3088 VAR retvar; /* return value goes here */
|
|
|
3089 int argcount; /* number of "argvars" */
|
|
|
3090 VAR argvars; /* vars for arguments */
|
|
|
3091 linenr_T firstline; /* first line of range */
|
|
|
3092 linenr_T lastline; /* last line of range */
|
|
|
3093 int *doesrange; /* return: function handled range */
|
|
|
3094 int evaluate;
|
|
|
3095 {
|
|
|
3096 int ret = FAIL;
|
|
|
3097 static char *errors[] =
|
|
|
3098 {N_("E117: Unknown function: %s"),
|
|
|
3099 N_("E118: Too many arguments for function: %s"),
|
|
|
3100 N_("E119: Not enough arguments for function: %s"),
|
|
|
3101 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3102 };
|
|
|
3103 #define ERROR_UNKNOWN 0
|
|
|
3104 #define ERROR_TOOMANY 1
|
|
|
3105 #define ERROR_TOOFEW 2
|
|
|
3106 #define ERROR_SCRIPT 3
|
|
|
3107 #define ERROR_NONE 4
|
|
|
3108 #define ERROR_OTHER 5
|
|
|
3109 int error = ERROR_NONE;
|
|
|
3110 int i;
|
|
|
3111 int llen;
|
|
|
3112 ufunc_T *fp;
|
|
|
3113 int cc;
|
|
|
3114 #define FLEN_FIXED 40
|
|
|
3115 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3116 char_u *fname;
|
|
|
3117
|
|
|
3118 /*
|
|
|
3119 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3120 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3121 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3122 */
|
|
|
3123 cc = name[len];
|
|
|
3124 name[len] = NUL;
|
|
|
3125 llen = eval_fname_script(name);
|
|
|
3126 if (llen > 0)
|
|
|
3127 {
|
|
|
3128 fname_buf[0] = K_SPECIAL;
|
|
|
3129 fname_buf[1] = KS_EXTRA;
|
|
|
3130 fname_buf[2] = (int)KE_SNR;
|
|
|
3131 i = 3;
|
|
|
3132 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3133 {
|
|
|
3134 if (current_SID <= 0)
|
|
|
3135 error = ERROR_SCRIPT;
|
|
|
3136 else
|
|
|
3137 {
|
|
|
3138 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3139 i = (int)STRLEN(fname_buf);
|
|
|
3140 }
|
|
|
3141 }
|
|
|
3142 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3143 {
|
|
|
3144 STRCPY(fname_buf + i, name + llen);
|
|
|
3145 fname = fname_buf;
|
|
|
3146 }
|
|
|
3147 else
|
|
|
3148 {
|
|
|
3149 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3150 if (fname == NULL)
|
|
|
3151 error = ERROR_OTHER;
|
|
|
3152 else
|
|
|
3153 {
|
|
|
3154 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3155 STRCPY(fname + i, name + llen);
|
|
|
3156 }
|
|
|
3157 }
|
|
|
3158 }
|
|
|
3159 else
|
|
|
3160 fname = name;
|
|
|
3161
|
|
|
3162 *doesrange = FALSE;
|
|
|
3163
|
|
|
3164
|
|
|
3165 /* execute the function if no errors detected and executing */
|
|
|
3166 if (evaluate && error == ERROR_NONE)
|
|
|
3167 {
|
|
|
3168 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3169 error = ERROR_UNKNOWN;
|
|
|
3170
|
|
|
3171 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3172 {
|
|
|
3173 /*
|
|
|
3174 * User defined function.
|
|
|
3175 */
|
|
|
3176 fp = find_func(fname);
|
|
|
3177 #ifdef FEAT_AUTOCMD
|
|
|
3178 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3179 fname, fname, TRUE, NULL)
|
|
|
3180 #ifdef FEAT_EVAL
|
|
|
3181 && !aborting()
|
|
|
3182 #endif
|
|
|
3183 )
|
|
|
3184 {
|
|
|
3185 /* executed an autocommand, search for function again */
|
|
|
3186 fp = find_func(fname);
|
|
|
3187 }
|
|
|
3188 #endif
|
|
|
3189 if (fp != NULL)
|
|
|
3190 {
|
|
|
3191 if (fp->flags & FC_RANGE)
|
|
|
3192 *doesrange = TRUE;
|
|
|
3193 if (argcount < fp->args.ga_len)
|
|
|
3194 error = ERROR_TOOFEW;
|
|
|
3195 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3196 error = ERROR_TOOMANY;
|
|
|
3197 else
|
|
|
3198 {
|
|
|
3199 /*
|
|
|
3200 * Call the user function.
|
|
|
3201 * Save and restore search patterns, script variables and
|
|
|
3202 * redo buffer.
|
|
|
3203 */
|
|
|
3204 save_search_patterns();
|
|
|
3205 saveRedobuff();
|
|
|
3206 ++fp->calls;
|
|
|
3207 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3208 firstline, lastline);
|
|
|
3209 --fp->calls;
|
|
|
3210 restoreRedobuff();
|
|
|
3211 restore_search_patterns();
|
|
|
3212 error = ERROR_NONE;
|
|
|
3213 }
|
|
|
3214 }
|
|
|
3215 }
|
|
|
3216 else
|
|
|
3217 {
|
|
|
3218 /*
|
|
|
3219 * Find the function name in the table, call its implementation.
|
|
|
3220 */
|
|
|
3221 i = find_internal_func(fname);
|
|
|
3222 if (i >= 0)
|
|
|
3223 {
|
|
|
3224 if (argcount < functions[i].f_min_argc)
|
|
|
3225 error = ERROR_TOOFEW;
|
|
|
3226 else if (argcount > functions[i].f_max_argc)
|
|
|
3227 error = ERROR_TOOMANY;
|
|
|
3228 else
|
|
|
3229 {
|
|
|
3230 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3231 functions[i].f_func(argvars, retvar);
|
|
|
3232 error = ERROR_NONE;
|
|
|
3233 }
|
|
|
3234 }
|
|
|
3235 }
|
|
|
3236 /*
|
|
|
3237 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3238 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3239 * exception that has not been caught so far. This situation can be
|
|
|
3240 * tested for by calling aborting(). For an error in an internal
|
|
|
3241 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3242 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3243 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3244 * update that flag first to make aborting() reliable.
|
|
|
3245 */
|
|
|
3246 update_force_abort();
|
|
|
3247 }
|
|
|
3248 if (error == ERROR_NONE)
|
|
|
3249 ret = OK;
|
|
|
3250
|
|
|
3251 /*
|
|
|
3252 * Report an error unless the argument evaluation or function call has been
|
|
|
3253 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3254 */
|
|
|
3255 if (error < ERROR_NONE && !aborting())
|
|
|
3256 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3257
|
|
|
3258 name[len] = cc;
|
|
|
3259 if (fname != name && fname != fname_buf)
|
|
|
3260 vim_free(fname);
|
|
|
3261
|
|
|
3262 return ret;
|
|
|
3263 }
|
|
|
3264
|
|
|
3265 /*********************************************
|
|
|
3266 * Implementation of the built-in functions
|
|
|
3267 */
|
|
|
3268
|
|
|
3269 /*
|
|
|
3270 * "append(lnum, string)" function
|
|
|
3271 */
|
|
|
3272 static void
|
|
|
3273 f_append(argvars, retvar)
|
|
|
3274 VAR argvars;
|
|
|
3275 VAR retvar;
|
|
|
3276 {
|
|
|
3277 long lnum;
|
|
|
3278
|
|
|
3279 lnum = get_var_lnum(argvars);
|
|
|
3280 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3281
|
|
|
3282 if (lnum >= 0
|
|
|
3283 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3284 && u_save(lnum, lnum + 1) == OK)
|
|
|
3285 {
|
|
|
3286 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3287 if (curwin->w_cursor.lnum > lnum)
|
|
|
3288 ++curwin->w_cursor.lnum;
|
|
|
3289 appended_lines_mark(lnum, 1L);
|
|
|
3290 retvar->var_val.var_number = 0;
|
|
|
3291 }
|
|
|
3292 }
|
|
|
3293
|
|
|
3294 /*
|
|
|
3295 * "argc()" function
|
|
|
3296 */
|
|
|
3297 /* ARGSUSED */
|
|
|
3298 static void
|
|
|
3299 f_argc(argvars, retvar)
|
|
|
3300 VAR argvars;
|
|
|
3301 VAR retvar;
|
|
|
3302 {
|
|
|
3303 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3304 }
|
|
|
3305
|
|
|
3306 /*
|
|
|
3307 * "argidx()" function
|
|
|
3308 */
|
|
|
3309 /* ARGSUSED */
|
|
|
3310 static void
|
|
|
3311 f_argidx(argvars, retvar)
|
|
|
3312 VAR argvars;
|
|
|
3313 VAR retvar;
|
|
|
3314 {
|
|
|
3315 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3316 }
|
|
|
3317
|
|
|
3318 /*
|
|
|
3319 * "argv(nr)" function
|
|
|
3320 */
|
|
|
3321 static void
|
|
|
3322 f_argv(argvars, retvar)
|
|
|
3323 VAR argvars;
|
|
|
3324 VAR retvar;
|
|
|
3325 {
|
|
|
3326 int idx;
|
|
|
3327
|
|
|
3328 idx = get_var_number(&argvars[0]);
|
|
|
3329 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3330 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3331 else
|
|
|
3332 retvar->var_val.var_string = NULL;
|
|
|
3333 retvar->var_type = VAR_STRING;
|
|
|
3334 }
|
|
|
3335
|
|
|
3336 /*
|
|
|
3337 * "browse(save, title, initdir, default)" function
|
|
|
3338 */
|
|
|
3339 /* ARGSUSED */
|
|
|
3340 static void
|
|
|
3341 f_browse(argvars, retvar)
|
|
|
3342 VAR argvars;
|
|
|
3343 VAR retvar;
|
|
|
3344 {
|
|
|
3345 #ifdef FEAT_BROWSE
|
|
|
3346 int save;
|
|
|
3347 char_u *title;
|
|
|
3348 char_u *initdir;
|
|
|
3349 char_u *defname;
|
|
|
3350 char_u buf[NUMBUFLEN];
|
|
|
3351 char_u buf2[NUMBUFLEN];
|
|
|
3352
|
|
|
3353 save = get_var_number(&argvars[0]);
|
|
|
3354 title = get_var_string(&argvars[1]);
|
|
|
3355 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3356 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3357
|
|
|
3358 retvar->var_val.var_string =
|
|
|
3359 do_browse(save, title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3360 #else
|
|
|
3361 retvar->var_val.var_string = NULL;
|
|
|
3362 #endif
|
|
|
3363 retvar->var_type = VAR_STRING;
|
|
|
3364 }
|
|
|
3365
|
|
|
3366 /*
|
|
|
3367 * Find a buffer by number or exact name.
|
|
|
3368 */
|
|
|
3369 static buf_T *
|
|
|
3370 find_buffer(avar)
|
|
|
3371 VAR avar;
|
|
|
3372 {
|
|
|
3373 buf_T *buf = NULL;
|
|
|
3374 char_u *name;
|
|
|
3375
|
|
|
3376 if (avar->var_type == VAR_NUMBER)
|
|
|
3377 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3378 else if (avar->var_val.var_string != NULL)
|
|
|
3379 {
|
|
|
3380 /* First make the name into a full path name */
|
|
|
3381 name = FullName_save(avar->var_val.var_string,
|
|
|
3382 #ifdef UNIX
|
|
|
3383 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3384 #else
|
|
|
3385 FALSE
|
|
|
3386 #endif
|
|
|
3387 );
|
|
|
3388 if (name != NULL)
|
|
|
3389 {
|
|
|
3390 buf = buflist_findname(name);
|
|
|
3391 vim_free(name);
|
|
|
3392 }
|
|
9
|
3393 if (buf == NULL)
|
|
|
3394 {
|
|
|
3395 /* No full path name match, try a match with a URL or a "nofile"
|
|
|
3396 * buffer, these don't use the full path. */
|
|
|
3397 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
3398 if (buf->b_fname != NULL
|
|
|
3399 && (path_with_url(buf->b_fname)
|
|
|
3400 #ifdef FEAT_QUICKFIX
|
|
|
3401 || bt_nofile(buf)
|
|
|
3402 #endif
|
|
|
3403 )
|
|
|
3404 && STRCMP(buf->b_fname, avar->var_val.var_string) == 0)
|
|
|
3405 break;
|
|
|
3406 }
|
|
7
|
3407 }
|
|
|
3408 return buf;
|
|
|
3409 }
|
|
|
3410
|
|
|
3411 /*
|
|
|
3412 * "bufexists(expr)" function
|
|
|
3413 */
|
|
|
3414 static void
|
|
|
3415 f_bufexists(argvars, retvar)
|
|
|
3416 VAR argvars;
|
|
|
3417 VAR retvar;
|
|
|
3418 {
|
|
|
3419 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3420 }
|
|
|
3421
|
|
|
3422 /*
|
|
|
3423 * "buflisted(expr)" function
|
|
|
3424 */
|
|
|
3425 static void
|
|
|
3426 f_buflisted(argvars, retvar)
|
|
|
3427 VAR argvars;
|
|
|
3428 VAR retvar;
|
|
|
3429 {
|
|
|
3430 buf_T *buf;
|
|
|
3431
|
|
|
3432 buf = find_buffer(&argvars[0]);
|
|
|
3433 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3434 }
|
|
|
3435
|
|
|
3436 /*
|
|
|
3437 * "bufloaded(expr)" function
|
|
|
3438 */
|
|
|
3439 static void
|
|
|
3440 f_bufloaded(argvars, retvar)
|
|
|
3441 VAR argvars;
|
|
|
3442 VAR retvar;
|
|
|
3443 {
|
|
|
3444 buf_T *buf;
|
|
|
3445
|
|
|
3446 buf = find_buffer(&argvars[0]);
|
|
|
3447 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3448 }
|
|
|
3449
|
|
|
3450 /*
|
|
|
3451 * Get buffer by number or pattern.
|
|
|
3452 */
|
|
|
3453 static buf_T *
|
|
|
3454 get_buf_var(avar)
|
|
|
3455 VAR avar;
|
|
|
3456 {
|
|
|
3457 char_u *name = avar->var_val.var_string;
|
|
|
3458 int save_magic;
|
|
|
3459 char_u *save_cpo;
|
|
|
3460 buf_T *buf;
|
|
|
3461
|
|
|
3462 if (avar->var_type == VAR_NUMBER)
|
|
|
3463 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3464 if (name == NULL || *name == NUL)
|
|
|
3465 return curbuf;
|
|
|
3466 if (name[0] == '$' && name[1] == NUL)
|
|
|
3467 return lastbuf;
|
|
|
3468
|
|
|
3469 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3470 save_magic = p_magic;
|
|
|
3471 p_magic = TRUE;
|
|
|
3472 save_cpo = p_cpo;
|
|
|
3473 p_cpo = (char_u *)"";
|
|
|
3474
|
|
|
3475 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3476 TRUE, FALSE));
|
|
|
3477
|
|
|
3478 p_magic = save_magic;
|
|
|
3479 p_cpo = save_cpo;
|
|
|
3480
|
|
|
3481 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3482 if (buf == NULL)
|
|
|
3483 buf = find_buffer(avar);
|
|
|
3484
|
|
|
3485 return buf;
|
|
|
3486 }
|
|
|
3487
|
|
|
3488 /*
|
|
|
3489 * "bufname(expr)" function
|
|
|
3490 */
|
|
|
3491 static void
|
|
|
3492 f_bufname(argvars, retvar)
|
|
|
3493 VAR argvars;
|
|
|
3494 VAR retvar;
|
|
|
3495 {
|
|
|
3496 buf_T *buf;
|
|
|
3497
|
|
|
3498 ++emsg_off;
|
|
|
3499 buf = get_buf_var(&argvars[0]);
|
|
|
3500 retvar->var_type = VAR_STRING;
|
|
|
3501 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3502 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3503 else
|
|
|
3504 retvar->var_val.var_string = NULL;
|
|
|
3505 --emsg_off;
|
|
|
3506 }
|
|
|
3507
|
|
|
3508 /*
|
|
|
3509 * "bufnr(expr)" function
|
|
|
3510 */
|
|
|
3511 static void
|
|
|
3512 f_bufnr(argvars, retvar)
|
|
|
3513 VAR argvars;
|
|
|
3514 VAR retvar;
|
|
|
3515 {
|
|
|
3516 buf_T *buf;
|
|
|
3517
|
|
|
3518 ++emsg_off;
|
|
|
3519 buf = get_buf_var(&argvars[0]);
|
|
|
3520 if (buf != NULL)
|
|
|
3521 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3522 else
|
|
|
3523 retvar->var_val.var_number = -1;
|
|
|
3524 --emsg_off;
|
|
|
3525 }
|
|
|
3526
|
|
|
3527 /*
|
|
|
3528 * "bufwinnr(nr)" function
|
|
|
3529 */
|
|
|
3530 static void
|
|
|
3531 f_bufwinnr(argvars, retvar)
|
|
|
3532 VAR argvars;
|
|
|
3533 VAR retvar;
|
|
|
3534 {
|
|
|
3535 #ifdef FEAT_WINDOWS
|
|
|
3536 win_T *wp;
|
|
|
3537 int winnr = 0;
|
|
|
3538 #endif
|
|
|
3539 buf_T *buf;
|
|
|
3540
|
|
|
3541 ++emsg_off;
|
|
|
3542 buf = get_buf_var(&argvars[0]);
|
|
|
3543 #ifdef FEAT_WINDOWS
|
|
|
3544 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3545 {
|
|
|
3546 ++winnr;
|
|
|
3547 if (wp->w_buffer == buf)
|
|
|
3548 break;
|
|
|
3549 }
|
|
|
3550 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3551 #else
|
|
|
3552 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3553 #endif
|
|
|
3554 --emsg_off;
|
|
|
3555 }
|
|
|
3556
|
|
|
3557 /*
|
|
|
3558 * "byte2line(byte)" function
|
|
|
3559 */
|
|
|
3560 /*ARGSUSED*/
|
|
|
3561 static void
|
|
|
3562 f_byte2line(argvars, retvar)
|
|
|
3563 VAR argvars;
|
|
|
3564 VAR retvar;
|
|
|
3565 {
|
|
|
3566 #ifndef FEAT_BYTEOFF
|
|
|
3567 retvar->var_val.var_number = -1;
|
|
|
3568 #else
|
|
|
3569 long boff = 0;
|
|
|
3570
|
|
|
3571 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3572 if (boff < 0)
|
|
|
3573 retvar->var_val.var_number = -1;
|
|
|
3574 else
|
|
|
3575 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3576 (linenr_T)0, &boff);
|
|
|
3577 #endif
|
|
|
3578 }
|
|
|
3579
|
|
|
3580 /*
|
|
|
3581 * "char2nr(string)" function
|
|
|
3582 */
|
|
|
3583 static void
|
|
|
3584 f_char2nr(argvars, retvar)
|
|
|
3585 VAR argvars;
|
|
|
3586 VAR retvar;
|
|
|
3587 {
|
|
|
3588 #ifdef FEAT_MBYTE
|
|
|
3589 if (has_mbyte)
|
|
|
3590 retvar->var_val.var_number =
|
|
|
3591 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3592 else
|
|
|
3593 #endif
|
|
|
3594 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3595 }
|
|
|
3596
|
|
|
3597 /*
|
|
|
3598 * "cindent(lnum)" function
|
|
|
3599 */
|
|
|
3600 static void
|
|
|
3601 f_cindent(argvars, retvar)
|
|
|
3602 VAR argvars;
|
|
|
3603 VAR retvar;
|
|
|
3604 {
|
|
|
3605 #ifdef FEAT_CINDENT
|
|
|
3606 pos_T pos;
|
|
|
3607 linenr_T lnum;
|
|
|
3608
|
|
|
3609 pos = curwin->w_cursor;
|
|
|
3610 lnum = get_var_lnum(argvars);
|
|
|
3611 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3612 {
|
|
|
3613 curwin->w_cursor.lnum = lnum;
|
|
|
3614 retvar->var_val.var_number = get_c_indent();
|
|
|
3615 curwin->w_cursor = pos;
|
|
|
3616 }
|
|
|
3617 else
|
|
|
3618 #endif
|
|
|
3619 retvar->var_val.var_number = -1;
|
|
|
3620 }
|
|
|
3621
|
|
|
3622 /*
|
|
|
3623 * "col(string)" function
|
|
|
3624 */
|
|
|
3625 static void
|
|
|
3626 f_col(argvars, retvar)
|
|
|
3627 VAR argvars;
|
|
|
3628 VAR retvar;
|
|
|
3629 {
|
|
|
3630 colnr_T col = 0;
|
|
|
3631 pos_T *fp;
|
|
|
3632
|
|
|
3633 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3634 if (fp != NULL)
|
|
|
3635 {
|
|
|
3636 if (fp->col == MAXCOL)
|
|
|
3637 {
|
|
|
3638 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3639 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3640 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3641 else
|
|
|
3642 col = MAXCOL;
|
|
|
3643 }
|
|
|
3644 else
|
|
|
3645 {
|
|
|
3646 col = fp->col + 1;
|
|
|
3647 #ifdef FEAT_VIRTUALEDIT
|
|
|
3648 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3649 * because of "coladd" can be seen as an extra column. */
|
|
|
3650 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3651 {
|
|
|
3652 char_u *p = ml_get_cursor();
|
|
|
3653
|
|
|
3654 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3655 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3656 {
|
|
|
3657 # ifdef FEAT_MBYTE
|
|
|
3658 int l;
|
|
|
3659
|
|
|
3660 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3661 col += l;
|
|
|
3662 # else
|
|
|
3663 if (*p != NUL && p[1] == NUL)
|
|
|
3664 ++col;
|
|
|
3665 # endif
|
|
|
3666 }
|
|
|
3667 }
|
|
|
3668 #endif
|
|
|
3669 }
|
|
|
3670 }
|
|
|
3671 retvar->var_val.var_number = col;
|
|
|
3672 }
|
|
|
3673
|
|
|
3674 /*
|
|
|
3675 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3676 */
|
|
|
3677 /*ARGSUSED*/
|
|
|
3678 static void
|
|
|
3679 f_confirm(argvars, retvar)
|
|
|
3680 VAR argvars;
|
|
|
3681 VAR retvar;
|
|
|
3682 {
|
|
|
3683 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3684 char_u *message;
|
|
|
3685 char_u *buttons = NULL;
|
|
|
3686 char_u buf[NUMBUFLEN];
|
|
|
3687 char_u buf2[NUMBUFLEN];
|
|
|
3688 int def = 1;
|
|
|
3689 int type = VIM_GENERIC;
|
|
|
3690 int c;
|
|
|
3691
|
|
|
3692 message = get_var_string(&argvars[0]);
|
|
|
3693 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3694 {
|
|
|
3695 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3696 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3697 {
|
|
|
3698 def = get_var_number(&argvars[2]);
|
|
|
3699 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3700 {
|
|
|
3701 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3702 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3703 switch (TOUPPER_ASC(c))
|
|
|
3704 {
|
|
|
3705 case 'E': type = VIM_ERROR; break;
|
|
|
3706 case 'Q': type = VIM_QUESTION; break;
|
|
|
3707 case 'I': type = VIM_INFO; break;
|
|
|
3708 case 'W': type = VIM_WARNING; break;
|
|
|
3709 case 'G': type = VIM_GENERIC; break;
|
|
|
3710 }
|
|
|
3711 }
|
|
|
3712 }
|
|
|
3713 }
|
|
|
3714
|
|
|
3715 if (buttons == NULL || *buttons == NUL)
|
|
|
3716 buttons = (char_u *)_("&Ok");
|
|
|
3717
|
|
|
3718 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3719 def, NULL);
|
|
|
3720 #else
|
|
|
3721 retvar->var_val.var_number = 0;
|
|
|
3722 #endif
|
|
|
3723 }
|
|
|
3724
|
|
|
3725
|
|
|
3726 /*
|
|
|
3727 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3728 *
|
|
|
3729 * Checks the existence of a cscope connection.
|
|
|
3730 */
|
|
|
3731 /*ARGSUSED*/
|
|
|
3732 static void
|
|
|
3733 f_cscope_connection(argvars, retvar)
|
|
|
3734 VAR argvars;
|
|
|
3735 VAR retvar;
|
|
|
3736 {
|
|
|
3737 #ifdef FEAT_CSCOPE
|
|
|
3738 int num = 0;
|
|
|
3739 char_u *dbpath = NULL;
|
|
|
3740 char_u *prepend = NULL;
|
|
|
3741 char_u buf[NUMBUFLEN];
|
|
|
3742
|
|
|
3743 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3744 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3745 {
|
|
|
3746 num = (int)get_var_number(&argvars[0]);
|
|
|
3747 dbpath = get_var_string(&argvars[1]);
|
|
|
3748 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3749 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3750 }
|
|
|
3751
|
|
|
3752 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3753 #else
|
|
|
3754 retvar->var_val.var_number = 0;
|
|
|
3755 #endif
|
|
|
3756 }
|
|
|
3757
|
|
|
3758 /*
|
|
|
3759 * "cursor(lnum, col)" function
|
|
|
3760 *
|
|
|
3761 * Moves the cursor to the specified line and column
|
|
|
3762 */
|
|
|
3763 /*ARGSUSED*/
|
|
|
3764 static void
|
|
|
3765 f_cursor(argvars, retvar)
|
|
|
3766 VAR argvars;
|
|
|
3767 VAR retvar;
|
|
|
3768 {
|
|
|
3769 long line, col;
|
|
|
3770
|
|
|
3771 line = get_var_lnum(argvars);
|
|
|
3772 if (line > 0)
|
|
|
3773 curwin->w_cursor.lnum = line;
|
|
|
3774 col = get_var_number(&argvars[1]);
|
|
|
3775 if (col > 0)
|
|
|
3776 curwin->w_cursor.col = col - 1;
|
|
|
3777 #ifdef FEAT_VIRTUALEDIT
|
|
|
3778 curwin->w_cursor.coladd = 0;
|
|
|
3779 #endif
|
|
|
3780
|
|
|
3781 /* Make sure the cursor is in a valid position. */
|
|
|
3782 check_cursor();
|
|
|
3783 #ifdef FEAT_MBYTE
|
|
|
3784 /* Correct cursor for multi-byte character. */
|
|
|
3785 if (has_mbyte)
|
|
|
3786 mb_adjust_cursor();
|
|
|
3787 #endif
|
|
10
|
3788
|
|
|
3789 curwin->w_set_curswant = TRUE;
|
|
7
|
3790 }
|
|
|
3791
|
|
|
3792 /*
|
|
|
3793 * "libcall()" function
|
|
|
3794 */
|
|
|
3795 static void
|
|
|
3796 f_libcall(argvars, retvar)
|
|
|
3797 VAR argvars;
|
|
|
3798 VAR retvar;
|
|
|
3799 {
|
|
|
3800 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3801 }
|
|
|
3802
|
|
|
3803 /*
|
|
|
3804 * "libcallnr()" function
|
|
|
3805 */
|
|
|
3806 static void
|
|
|
3807 f_libcallnr(argvars, retvar)
|
|
|
3808 VAR argvars;
|
|
|
3809 VAR retvar;
|
|
|
3810 {
|
|
|
3811 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3812 }
|
|
|
3813
|
|
|
3814 static void
|
|
|
3815 libcall_common(argvars, retvar, type)
|
|
|
3816 VAR argvars;
|
|
|
3817 VAR retvar;
|
|
|
3818 int type;
|
|
|
3819 {
|
|
|
3820 #ifdef FEAT_LIBCALL
|
|
|
3821 char_u *string_in;
|
|
|
3822 char_u **string_result;
|
|
|
3823 int nr_result;
|
|
|
3824 #endif
|
|
|
3825
|
|
|
3826 retvar->var_type = type;
|
|
|
3827 if (type == VAR_NUMBER)
|
|
|
3828 retvar->var_val.var_number = 0;
|
|
|
3829 else
|
|
|
3830 retvar->var_val.var_string = NULL;
|
|
|
3831
|
|
|
3832 if (check_restricted() || check_secure())
|
|
|
3833 return;
|
|
|
3834
|
|
|
3835 #ifdef FEAT_LIBCALL
|
|
|
3836 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3837 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3838 {
|
|
|
3839 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3840 string_in = NULL;
|
|
|
3841 else
|
|
|
3842 string_in = argvars[2].var_val.var_string;
|
|
|
3843 if (type == VAR_NUMBER)
|
|
|
3844 string_result = NULL;
|
|
|
3845 else
|
|
|
3846 string_result = &retvar->var_val.var_string;
|
|
|
3847 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3848 argvars[1].var_val.var_string,
|
|
|
3849 string_in,
|
|
|
3850 argvars[2].var_val.var_number,
|
|
|
3851 string_result,
|
|
|
3852 &nr_result) == OK
|
|
|
3853 && type == VAR_NUMBER)
|
|
|
3854 retvar->var_val.var_number = nr_result;
|
|
|
3855 }
|
|
|
3856 #endif
|
|
|
3857 }
|
|
|
3858
|
|
|
3859 /*
|
|
|
3860 * "delete()" function
|
|
|
3861 */
|
|
|
3862 static void
|
|
|
3863 f_delete(argvars, retvar)
|
|
|
3864 VAR argvars;
|
|
|
3865 VAR retvar;
|
|
|
3866 {
|
|
|
3867 if (check_restricted() || check_secure())
|
|
|
3868 retvar->var_val.var_number = -1;
|
|
|
3869 else
|
|
|
3870 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3871 }
|
|
|
3872
|
|
|
3873 /*
|
|
|
3874 * "did_filetype()" function
|
|
|
3875 */
|
|
|
3876 /*ARGSUSED*/
|
|
|
3877 static void
|
|
|
3878 f_did_filetype(argvars, retvar)
|
|
|
3879 VAR argvars;
|
|
|
3880 VAR retvar;
|
|
|
3881 {
|
|
|
3882 #ifdef FEAT_AUTOCMD
|
|
|
3883 retvar->var_val.var_number = did_filetype;
|
|
|
3884 #else
|
|
|
3885 retvar->var_val.var_number = 0;
|
|
|
3886 #endif
|
|
|
3887 }
|
|
|
3888
|
|
|
3889 /*
|
|
|
3890 * "escape({string}, {chars})" function
|
|
|
3891 */
|
|
|
3892 static void
|
|
|
3893 f_escape(argvars, retvar)
|
|
|
3894 VAR argvars;
|
|
|
3895 VAR retvar;
|
|
|
3896 {
|
|
|
3897 char_u buf[NUMBUFLEN];
|
|
|
3898
|
|
|
3899 retvar->var_val.var_string =
|
|
|
3900 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
3901 get_var_string_buf(&argvars[1], buf));
|
|
|
3902 retvar->var_type = VAR_STRING;
|
|
|
3903 }
|
|
|
3904
|
|
|
3905 /*
|
|
|
3906 * "eventhandler()" function
|
|
|
3907 */
|
|
|
3908 /*ARGSUSED*/
|
|
|
3909 static void
|
|
|
3910 f_eventhandler(argvars, retvar)
|
|
|
3911 VAR argvars;
|
|
|
3912 VAR retvar;
|
|
|
3913 {
|
|
|
3914 retvar->var_val.var_number = vgetc_busy;
|
|
|
3915 }
|
|
|
3916
|
|
|
3917 /*
|
|
|
3918 * "executable()" function
|
|
|
3919 */
|
|
|
3920 static void
|
|
|
3921 f_executable(argvars, retvar)
|
|
|
3922 VAR argvars;
|
|
|
3923 VAR retvar;
|
|
|
3924 {
|
|
|
3925 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
3926 }
|
|
|
3927
|
|
|
3928 /*
|
|
|
3929 * "exists()" function
|
|
|
3930 */
|
|
|
3931 static void
|
|
|
3932 f_exists(argvars, retvar)
|
|
|
3933 VAR argvars;
|
|
|
3934 VAR retvar;
|
|
|
3935 {
|
|
|
3936 char_u *p;
|
|
|
3937 char_u *name;
|
|
|
3938 int n = FALSE;
|
|
|
3939 int len = 0;
|
|
|
3940
|
|
|
3941 p = get_var_string(&argvars[0]);
|
|
|
3942 if (*p == '$') /* environment variable */
|
|
|
3943 {
|
|
|
3944 /* first try "normal" environment variables (fast) */
|
|
|
3945 if (mch_getenv(p + 1) != NULL)
|
|
|
3946 n = TRUE;
|
|
|
3947 else
|
|
|
3948 {
|
|
|
3949 /* try expanding things like $VIM and ${HOME} */
|
|
|
3950 p = expand_env_save(p);
|
|
|
3951 if (p != NULL && *p != '$')
|
|
|
3952 n = TRUE;
|
|
|
3953 vim_free(p);
|
|
|
3954 }
|
|
|
3955 }
|
|
|
3956 else if (*p == '&' || *p == '+') /* option */
|
|
|
3957 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
3958 else if (*p == '*') /* internal or user defined function */
|
|
|
3959 {
|
|
|
3960 ++p;
|
|
|
3961 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
3962 if (p != NULL)
|
|
|
3963 {
|
|
|
3964 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
3965 n = (find_func(p) != NULL);
|
|
|
3966 else if (ASCII_ISLOWER(*p))
|
|
|
3967 n = (find_internal_func(p) >= 0);
|
|
|
3968 vim_free(p);
|
|
|
3969 }
|
|
|
3970 }
|
|
|
3971 else if (*p == ':')
|
|
|
3972 {
|
|
|
3973 n = cmd_exists(p + 1);
|
|
|
3974 }
|
|
|
3975 else if (*p == '#')
|
|
|
3976 {
|
|
|
3977 #ifdef FEAT_AUTOCMD
|
|
|
3978 name = p + 1;
|
|
|
3979 p = vim_strchr(name, '#');
|
|
|
3980 if (p != NULL)
|
|
|
3981 n = au_exists(name, p, p + 1);
|
|
|
3982 else
|
|
|
3983 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
3984 #endif
|
|
|
3985 }
|
|
|
3986 else /* internal variable */
|
|
|
3987 {
|
|
|
3988 #ifdef FEAT_MAGIC_BRACES
|
|
|
3989 char_u *expr_start;
|
|
|
3990 char_u *expr_end;
|
|
|
3991 char_u *temp_string = NULL;
|
|
|
3992 char_u *s;
|
|
|
3993 #endif
|
|
|
3994 name = p;
|
|
|
3995
|
|
|
3996 #ifdef FEAT_MAGIC_BRACES
|
|
|
3997 /* Find the end of the name. */
|
|
|
3998 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
3999 if (expr_start != NULL)
|
|
|
4000 {
|
|
|
4001 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
4002 if (temp_string != NULL)
|
|
|
4003 {
|
|
|
4004 len = STRLEN(temp_string);
|
|
|
4005 name = temp_string;
|
|
|
4006 }
|
|
|
4007 }
|
|
|
4008 #endif
|
|
|
4009 if (len == 0)
|
|
|
4010 len = get_id_len(&p);
|
|
|
4011 if (len != 0)
|
|
|
4012 n = (get_var_var(name, len, NULL) == OK);
|
|
|
4013
|
|
|
4014 #ifdef FEAT_MAGIC_BRACES
|
|
|
4015 vim_free(temp_string);
|
|
|
4016 #endif
|
|
|
4017 }
|
|
|
4018
|
|
|
4019 retvar->var_val.var_number = n;
|
|
|
4020 }
|
|
|
4021
|
|
|
4022 /*
|
|
|
4023 * "expand()" function
|
|
|
4024 */
|
|
|
4025 static void
|
|
|
4026 f_expand(argvars, retvar)
|
|
|
4027 VAR argvars;
|
|
|
4028 VAR retvar;
|
|
|
4029 {
|
|
|
4030 char_u *s;
|
|
|
4031 int len;
|
|
|
4032 char_u *errormsg;
|
|
|
4033 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4034 expand_T xpc;
|
|
|
4035
|
|
|
4036 retvar->var_type = VAR_STRING;
|
|
|
4037 s = get_var_string(&argvars[0]);
|
|
|
4038 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4039 {
|
|
|
4040 ++emsg_off;
|
|
|
4041 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4042 --emsg_off;
|
|
|
4043 }
|
|
|
4044 else
|
|
|
4045 {
|
|
|
4046 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4047 * for 'suffixes' and 'wildignore' */
|
|
|
4048 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4049 flags |= WILD_KEEP_ALL;
|
|
|
4050 ExpandInit(&xpc);
|
|
|
4051 xpc.xp_context = EXPAND_FILES;
|
|
|
4052 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4053 ExpandCleanup(&xpc);
|
|
|
4054 }
|
|
|
4055 }
|
|
|
4056
|
|
|
4057 /*
|
|
|
4058 * "filereadable()" function
|
|
|
4059 */
|
|
|
4060 static void
|
|
|
4061 f_filereadable(argvars, retvar)
|
|
|
4062 VAR argvars;
|
|
|
4063 VAR retvar;
|
|
|
4064 {
|
|
|
4065 FILE *fd;
|
|
|
4066 char_u *p;
|
|
|
4067 int n;
|
|
|
4068
|
|
|
4069 p = get_var_string(&argvars[0]);
|
|
|
4070 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4071 {
|
|
|
4072 n = TRUE;
|
|
|
4073 fclose(fd);
|
|
|
4074 }
|
|
|
4075 else
|
|
|
4076 n = FALSE;
|
|
|
4077
|
|
|
4078 retvar->var_val.var_number = n;
|
|
|
4079 }
|
|
|
4080
|
|
|
4081 /*
|
|
|
4082 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4083 * rights to write into.
|
|
|
4084 */
|
|
|
4085 static void
|
|
|
4086 f_filewritable(argvars, retvar)
|
|
|
4087 VAR argvars;
|
|
|
4088 VAR retvar;
|
|
|
4089 {
|
|
|
4090 char_u *p;
|
|
|
4091 int retval = 0;
|
|
|
4092 #if defined(UNIX) || defined(VMS)
|
|
|
4093 int perm = 0;
|
|
|
4094 #endif
|
|
|
4095
|
|
|
4096 p = get_var_string(&argvars[0]);
|
|
|
4097 #if defined(UNIX) || defined(VMS)
|
|
|
4098 perm = mch_getperm(p);
|
|
|
4099 #endif
|
|
|
4100 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4101 if (
|
|
|
4102 # ifdef WIN3264
|
|
|
4103 mch_writable(p) &&
|
|
|
4104 # else
|
|
|
4105 # if defined(UNIX) || defined(VMS)
|
|
|
4106 (perm & 0222) &&
|
|
|
4107 # endif
|
|
|
4108 # endif
|
|
|
4109 mch_access((char *)p, W_OK) == 0
|
|
|
4110 )
|
|
|
4111 #endif
|
|
|
4112 {
|
|
|
4113 ++retval;
|
|
|
4114 if (mch_isdir(p))
|
|
|
4115 ++retval;
|
|
|
4116 }
|
|
|
4117 retvar->var_val.var_number = retval;
|
|
|
4118 }
|
|
|
4119
|
|
|
4120 /*
|
|
|
4121 * "fnamemodify({fname}, {mods})" function
|
|
|
4122 */
|
|
|
4123 static void
|
|
|
4124 f_fnamemodify(argvars, retvar)
|
|
|
4125 VAR argvars;
|
|
|
4126 VAR retvar;
|
|
|
4127 {
|
|
|
4128 char_u *fname;
|
|
|
4129 char_u *mods;
|
|
|
4130 int usedlen = 0;
|
|
|
4131 int len;
|
|
|
4132 char_u *fbuf = NULL;
|
|
|
4133 char_u buf[NUMBUFLEN];
|
|
|
4134
|
|
|
4135 fname = get_var_string(&argvars[0]);
|
|
|
4136 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4137 len = (int)STRLEN(fname);
|
|
|
4138
|
|
|
4139 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4140
|
|
|
4141 retvar->var_type = VAR_STRING;
|
|
|
4142 if (fname == NULL)
|
|
|
4143 retvar->var_val.var_string = NULL;
|
|
|
4144 else
|
|
|
4145 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4146 vim_free(fbuf);
|
|
|
4147 }
|
|
|
4148
|
|
|
4149 /*
|
|
|
4150 * "foldclosed()" function
|
|
|
4151 */
|
|
|
4152 static void
|
|
|
4153 f_foldclosed(argvars, retvar)
|
|
|
4154 VAR argvars;
|
|
|
4155 VAR retvar;
|
|
|
4156 {
|
|
|
4157 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4158 }
|
|
|
4159
|
|
|
4160 /*
|
|
|
4161 * "foldclosedend()" function
|
|
|
4162 */
|
|
|
4163 static void
|
|
|
4164 f_foldclosedend(argvars, retvar)
|
|
|
4165 VAR argvars;
|
|
|
4166 VAR retvar;
|
|
|
4167 {
|
|
|
4168 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4169 }
|
|
|
4170
|
|
|
4171 /*
|
|
|
4172 * "foldclosed()" function
|
|
|
4173 */
|
|
|
4174 static void
|
|
|
4175 foldclosed_both(argvars, retvar, end)
|
|
|
4176 VAR argvars;
|
|
|
4177 VAR retvar;
|
|
|
4178 int end;
|
|
|
4179 {
|
|
|
4180 #ifdef FEAT_FOLDING
|
|
|
4181 linenr_T lnum;
|
|
|
4182 linenr_T first, last;
|
|
|
4183
|
|
|
4184 lnum = get_var_lnum(argvars);
|
|
|
4185 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4186 {
|
|
|
4187 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4188 {
|
|
|
4189 if (end)
|
|
|
4190 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4191 else
|
|
|
4192 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4193 return;
|
|
|
4194 }
|
|
|
4195 }
|
|
|
4196 #endif
|
|
|
4197 retvar->var_val.var_number = -1;
|
|
|
4198 }
|
|
|
4199
|
|
|
4200 /*
|
|
|
4201 * "foldlevel()" function
|
|
|
4202 */
|
|
|
4203 static void
|
|
|
4204 f_foldlevel(argvars, retvar)
|
|
|
4205 VAR argvars;
|
|
|
4206 VAR retvar;
|
|
|
4207 {
|
|
|
4208 #ifdef FEAT_FOLDING
|
|
|
4209 linenr_T lnum;
|
|
|
4210
|
|
|
4211 lnum = get_var_lnum(argvars);
|
|
|
4212 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4213 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4214 else
|
|
|
4215 #endif
|
|
|
4216 retvar->var_val.var_number = 0;
|
|
|
4217 }
|
|
|
4218
|
|
|
4219 /*
|
|
|
4220 * "foldtext()" function
|
|
|
4221 */
|
|
|
4222 /*ARGSUSED*/
|
|
|
4223 static void
|
|
|
4224 f_foldtext(argvars, retvar)
|
|
|
4225 VAR argvars;
|
|
|
4226 VAR retvar;
|
|
|
4227 {
|
|
|
4228 #ifdef FEAT_FOLDING
|
|
|
4229 linenr_T lnum;
|
|
|
4230 char_u *s;
|
|
|
4231 char_u *r;
|
|
|
4232 int len;
|
|
|
4233 char *txt;
|
|
|
4234 #endif
|
|
|
4235
|
|
|
4236 retvar->var_type = VAR_STRING;
|
|
|
4237 retvar->var_val.var_string = NULL;
|
|
|
4238 #ifdef FEAT_FOLDING
|
|
|
4239 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4240 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4241 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4242 {
|
|
|
4243 /* Find first non-empty line in the fold. */
|
|
|
4244 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4245 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4246 {
|
|
|
4247 if (!linewhite(lnum))
|
|
|
4248 break;
|
|
|
4249 ++lnum;
|
|
|
4250 }
|
|
|
4251
|
|
|
4252 /* Find interesting text in this line. */
|
|
|
4253 s = skipwhite(ml_get(lnum));
|
|
|
4254 /* skip C comment-start */
|
|
|
4255 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4256 s = skipwhite(s + 2);
|
|
|
4257 txt = _("+-%s%3ld lines: ");
|
|
|
4258 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4259 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4260 + 20 /* for %3ld */
|
|
|
4261 + STRLEN(s))); /* concatenated */
|
|
|
4262 if (r != NULL)
|
|
|
4263 {
|
|
|
4264 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4265 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4266 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4267 len = (int)STRLEN(r);
|
|
|
4268 STRCAT(r, s);
|
|
|
4269 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4270 foldtext_cleanup(r + len);
|
|
|
4271 retvar->var_val.var_string = r;
|
|
|
4272 }
|
|
|
4273 }
|
|
|
4274 #endif
|
|
|
4275 }
|
|
|
4276
|
|
|
4277 /*
|
|
|
4278 * "foreground()" function
|
|
|
4279 */
|
|
|
4280 /*ARGSUSED*/
|
|
|
4281 static void
|
|
|
4282 f_foreground(argvars, retvar)
|
|
|
4283 VAR argvars;
|
|
|
4284 VAR retvar;
|
|
|
4285 {
|
|
|
4286 retvar->var_val.var_number = 0;
|
|
|
4287 #ifdef FEAT_GUI
|
|
|
4288 if (gui.in_use)
|
|
|
4289 gui_mch_set_foreground();
|
|
|
4290 #else
|
|
|
4291 # ifdef WIN32
|
|
|
4292 win32_set_foreground();
|
|
|
4293 # endif
|
|
|
4294 #endif
|
|
|
4295 }
|
|
|
4296
|
|
|
4297 /*
|
|
|
4298 * "getchar()" function
|
|
|
4299 */
|
|
|
4300 static void
|
|
|
4301 f_getchar(argvars, retvar)
|
|
|
4302 VAR argvars;
|
|
|
4303 VAR retvar;
|
|
|
4304 {
|
|
|
4305 varnumber_T n;
|
|
|
4306
|
|
|
4307 ++no_mapping;
|
|
|
4308 ++allow_keys;
|
|
|
4309 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4310 /* getchar(): blocking wait. */
|
|
|
4311 n = safe_vgetc();
|
|
|
4312 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4313 /* getchar(1): only check if char avail */
|
|
|
4314 n = vpeekc();
|
|
|
4315 else if (vpeekc() == NUL)
|
|
|
4316 /* getchar(0) and no char avail: return zero */
|
|
|
4317 n = 0;
|
|
|
4318 else
|
|
|
4319 /* getchar(0) and char avail: return char */
|
|
|
4320 n = safe_vgetc();
|
|
|
4321 --no_mapping;
|
|
|
4322 --allow_keys;
|
|
|
4323
|
|
|
4324 retvar->var_val.var_number = n;
|
|
|
4325 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4326 {
|
|
|
4327 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4328 int i = 0;
|
|
|
4329
|
|
|
4330 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4331 if (mod_mask != 0)
|
|
|
4332 {
|
|
|
4333 temp[i++] = K_SPECIAL;
|
|
|
4334 temp[i++] = KS_MODIFIER;
|
|
|
4335 temp[i++] = mod_mask;
|
|
|
4336 }
|
|
|
4337 if (IS_SPECIAL(n))
|
|
|
4338 {
|
|
|
4339 temp[i++] = K_SPECIAL;
|
|
|
4340 temp[i++] = K_SECOND(n);
|
|
|
4341 temp[i++] = K_THIRD(n);
|
|
|
4342 }
|
|
|
4343 #ifdef FEAT_MBYTE
|
|
|
4344 else if (has_mbyte)
|
|
|
4345 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4346 #endif
|
|
|
4347 else
|
|
|
4348 temp[i++] = n;
|
|
|
4349 temp[i++] = NUL;
|
|
|
4350 retvar->var_type = VAR_STRING;
|
|
|
4351 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4352 }
|
|
|
4353 }
|
|
|
4354
|
|
|
4355 /*
|
|
|
4356 * "getcharmod()" function
|
|
|
4357 */
|
|
|
4358 /*ARGSUSED*/
|
|
|
4359 static void
|
|
|
4360 f_getcharmod(argvars, retvar)
|
|
|
4361 VAR argvars;
|
|
|
4362 VAR retvar;
|
|
|
4363 {
|
|
|
4364 retvar->var_val.var_number = mod_mask;
|
|
|
4365 }
|
|
|
4366
|
|
|
4367 /*
|
|
|
4368 * "getcmdline()" function
|
|
|
4369 */
|
|
|
4370 /*ARGSUSED*/
|
|
|
4371 static void
|
|
|
4372 f_getcmdline(argvars, retvar)
|
|
|
4373 VAR argvars;
|
|
|
4374 VAR retvar;
|
|
|
4375 {
|
|
|
4376 retvar->var_type = VAR_STRING;
|
|
|
4377 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4378 }
|
|
|
4379
|
|
|
4380 /*
|
|
|
4381 * "getcmdpos()" function
|
|
|
4382 */
|
|
|
4383 /*ARGSUSED*/
|
|
|
4384 static void
|
|
|
4385 f_getcmdpos(argvars, retvar)
|
|
|
4386 VAR argvars;
|
|
|
4387 VAR retvar;
|
|
|
4388 {
|
|
|
4389 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4390 }
|
|
|
4391
|
|
|
4392 /*
|
|
|
4393 * "getbufvar()" function
|
|
|
4394 */
|
|
|
4395 static void
|
|
|
4396 f_getbufvar(argvars, retvar)
|
|
|
4397 VAR argvars;
|
|
|
4398 VAR retvar;
|
|
|
4399 {
|
|
|
4400 buf_T *buf;
|
|
|
4401 buf_T *save_curbuf;
|
|
|
4402 char_u *varname;
|
|
|
4403 VAR v;
|
|
|
4404
|
|
|
4405 ++emsg_off;
|
|
|
4406 buf = get_buf_var(&argvars[0]);
|
|
|
4407 varname = get_var_string(&argvars[1]);
|
|
|
4408
|
|
|
4409 retvar->var_type = VAR_STRING;
|
|
|
4410 retvar->var_val.var_string = NULL;
|
|
|
4411
|
|
|
4412 if (buf != NULL && varname != NULL)
|
|
|
4413 {
|
|
|
4414 if (*varname == '&') /* buffer-local-option */
|
|
|
4415 {
|
|
|
4416 /* set curbuf to be our buf, temporarily */
|
|
|
4417 save_curbuf = curbuf;
|
|
|
4418 curbuf = buf;
|
|
|
4419
|
|
|
4420 get_option_var(&varname, retvar, TRUE);
|
|
|
4421
|
|
|
4422 /* restore previous notion of curbuf */
|
|
|
4423 curbuf = save_curbuf;
|
|
|
4424 }
|
|
|
4425 else
|
|
|
4426 {
|
|
|
4427 /* look up the variable */
|
|
|
4428 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4429 if (v != NULL)
|
|
|
4430 copy_var(v, retvar);
|
|
|
4431 }
|
|
|
4432 }
|
|
|
4433
|
|
|
4434 --emsg_off;
|
|
|
4435 }
|
|
|
4436
|
|
|
4437 /*
|
|
|
4438 * "getcwd()" function
|
|
|
4439 */
|
|
|
4440 /*ARGSUSED*/
|
|
|
4441 static void
|
|
|
4442 f_getcwd(argvars, retvar)
|
|
|
4443 VAR argvars;
|
|
|
4444 VAR retvar;
|
|
|
4445 {
|
|
|
4446 char_u cwd[MAXPATHL];
|
|
|
4447
|
|
|
4448 retvar->var_type = VAR_STRING;
|
|
|
4449 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4450 retvar->var_val.var_string = NULL;
|
|
|
4451 else
|
|
|
4452 {
|
|
|
4453 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4454 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4455 slash_adjust(retvar->var_val.var_string);
|
|
|
4456 #endif
|
|
|
4457 }
|
|
|
4458 }
|
|
|
4459
|
|
|
4460 /*
|
|
|
4461 * "getfsize({fname})" function
|
|
|
4462 */
|
|
|
4463 static void
|
|
|
4464 f_getfsize(argvars, retvar)
|
|
|
4465 VAR argvars;
|
|
|
4466 VAR retvar;
|
|
|
4467 {
|
|
|
4468 char_u *fname;
|
|
|
4469 struct stat st;
|
|
|
4470
|
|
|
4471 fname = get_var_string(&argvars[0]);
|
|
|
4472
|
|
|
4473 retvar->var_type = VAR_NUMBER;
|
|
|
4474
|
|
|
4475 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4476 {
|
|
|
4477 if (mch_isdir(fname))
|
|
|
4478 retvar->var_val.var_number = 0;
|
|
|
4479 else
|
|
|
4480 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4481 }
|
|
|
4482 else
|
|
|
4483 retvar->var_val.var_number = -1;
|
|
|
4484 }
|
|
|
4485
|
|
|
4486 /*
|
|
|
4487 * "getftime({fname})" function
|
|
|
4488 */
|
|
|
4489 static void
|
|
|
4490 f_getftime(argvars, retvar)
|
|
|
4491 VAR argvars;
|
|
|
4492 VAR retvar;
|
|
|
4493 {
|
|
|
4494 char_u *fname;
|
|
|
4495 struct stat st;
|
|
|
4496
|
|
|
4497 fname = get_var_string(&argvars[0]);
|
|
|
4498
|
|
|
4499 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4500 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4501 else
|
|
|
4502 retvar->var_val.var_number = -1;
|
|
|
4503 }
|
|
|
4504
|
|
|
4505 /*
|
|
|
4506 * "getreg()" function
|
|
|
4507 */
|
|
|
4508 static void
|
|
|
4509 f_getreg(argvars, retvar)
|
|
|
4510 VAR argvars;
|
|
|
4511 VAR retvar;
|
|
|
4512 {
|
|
|
4513 char_u *strregname;
|
|
|
4514 int regname;
|
|
|
4515
|
|
|
4516 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4517 strregname = get_var_string(&argvars[0]);
|
|
|
4518 else
|
|
|
4519 strregname = vimvars[VV_REG].val;
|
|
|
4520 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4521 if (regname == 0)
|
|
|
4522 regname = '"';
|
|
|
4523
|
|
|
4524 retvar->var_type = VAR_STRING;
|
|
|
4525 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4526 }
|
|
|
4527
|
|
|
4528 /*
|
|
|
4529 * "getregtype()" function
|
|
|
4530 */
|
|
|
4531 static void
|
|
|
4532 f_getregtype(argvars, retvar)
|
|
|
4533 VAR argvars;
|
|
|
4534 VAR retvar;
|
|
|
4535 {
|
|
|
4536 char_u *strregname;
|
|
|
4537 int regname;
|
|
|
4538 char_u buf[NUMBUFLEN + 2];
|
|
|
4539 long reglen = 0;
|
|
|
4540
|
|
|
4541 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4542 strregname = get_var_string(&argvars[0]);
|
|
|
4543 else
|
|
|
4544 /* Default to v:register */
|
|
|
4545 strregname = vimvars[VV_REG].val;
|
|
|
4546
|
|
|
4547 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4548 if (regname == 0)
|
|
|
4549 regname = '"';
|
|
|
4550
|
|
|
4551 buf[0] = NUL;
|
|
|
4552 buf[1] = NUL;
|
|
|
4553 switch (get_reg_type(regname, ®len))
|
|
|
4554 {
|
|
|
4555 case MLINE: buf[0] = 'V'; break;
|
|
|
4556 case MCHAR: buf[0] = 'v'; break;
|
|
|
4557 #ifdef FEAT_VISUAL
|
|
|
4558 case MBLOCK:
|
|
|
4559 buf[0] = Ctrl_V;
|
|
|
4560 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4561 break;
|
|
|
4562 #endif
|
|
|
4563 }
|
|
|
4564 retvar->var_type = VAR_STRING;
|
|
|
4565 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4566 }
|
|
|
4567
|
|
|
4568 /*
|
|
|
4569 * "getline(lnum)" function
|
|
|
4570 */
|
|
|
4571 static void
|
|
|
4572 f_getline(argvars, retvar)
|
|
|
4573 VAR argvars;
|
|
|
4574 VAR retvar;
|
|
|
4575 {
|
|
|
4576 linenr_T lnum;
|
|
|
4577 char_u *p;
|
|
|
4578
|
|
|
4579 lnum = get_var_lnum(argvars);
|
|
|
4580
|
|
|
4581 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4582 p = ml_get(lnum);
|
|
|
4583 else
|
|
|
4584 p = (char_u *)"";
|
|
|
4585
|
|
|
4586 retvar->var_type = VAR_STRING;
|
|
|
4587 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4588 }
|
|
|
4589
|
|
|
4590 /*
|
|
|
4591 * "getwinposx()" function
|
|
|
4592 */
|
|
|
4593 /*ARGSUSED*/
|
|
|
4594 static void
|
|
|
4595 f_getwinposx(argvars, retvar)
|
|
|
4596 VAR argvars;
|
|
|
4597 VAR retvar;
|
|
|
4598 {
|
|
|
4599 retvar->var_val.var_number = -1;
|
|
|
4600 #ifdef FEAT_GUI
|
|
|
4601 if (gui.in_use)
|
|
|
4602 {
|
|
|
4603 int x, y;
|
|
|
4604
|
|
|
4605 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4606 retvar->var_val.var_number = x;
|
|
|
4607 }
|
|
|
4608 #endif
|
|
|
4609 }
|
|
|
4610
|
|
|
4611 /*
|
|
|
4612 * "getwinposy()" function
|
|
|
4613 */
|
|
|
4614 /*ARGSUSED*/
|
|
|
4615 static void
|
|
|
4616 f_getwinposy(argvars, retvar)
|
|
|
4617 VAR argvars;
|
|
|
4618 VAR retvar;
|
|
|
4619 {
|
|
|
4620 retvar->var_val.var_number = -1;
|
|
|
4621 #ifdef FEAT_GUI
|
|
|
4622 if (gui.in_use)
|
|
|
4623 {
|
|
|
4624 int x, y;
|
|
|
4625
|
|
|
4626 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4627 retvar->var_val.var_number = y;
|
|
|
4628 }
|
|
|
4629 #endif
|
|
|
4630 }
|
|
|
4631
|
|
|
4632 /*
|
|
|
4633 * "getwinvar()" function
|
|
|
4634 */
|
|
|
4635 static void
|
|
|
4636 f_getwinvar(argvars, retvar)
|
|
|
4637 VAR argvars;
|
|
|
4638 VAR retvar;
|
|
|
4639 {
|
|
|
4640 win_T *win, *oldcurwin;
|
|
|
4641 char_u *varname;
|
|
|
4642 VAR v;
|
|
|
4643
|
|
|
4644 ++emsg_off;
|
|
|
4645 win = find_win_by_nr(&argvars[0]);
|
|
|
4646 varname = get_var_string(&argvars[1]);
|
|
|
4647
|
|
|
4648 retvar->var_type = VAR_STRING;
|
|
|
4649 retvar->var_val.var_string = NULL;
|
|
|
4650
|
|
|
4651 if (win != NULL && varname != NULL)
|
|
|
4652 {
|
|
|
4653 if (*varname == '&') /* window-local-option */
|
|
|
4654 {
|
|
|
4655 /* set curwin to be our win, temporarily */
|
|
|
4656 oldcurwin = curwin;
|
|
|
4657 curwin = win;
|
|
|
4658
|
|
|
4659 get_option_var(&varname, retvar , 1);
|
|
|
4660
|
|
|
4661 /* restore previous notion of curwin */
|
|
|
4662 curwin = oldcurwin;
|
|
|
4663 }
|
|
|
4664 else
|
|
|
4665 {
|
|
|
4666 /* look up the variable */
|
|
|
4667 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
4668 if (v != NULL)
|
|
|
4669 copy_var(v, retvar);
|
|
|
4670 }
|
|
|
4671 }
|
|
|
4672
|
|
|
4673 --emsg_off;
|
|
|
4674 }
|
|
|
4675
|
|
|
4676 /*
|
|
|
4677 * "glob()" function
|
|
|
4678 */
|
|
|
4679 static void
|
|
|
4680 f_glob(argvars, retvar)
|
|
|
4681 VAR argvars;
|
|
|
4682 VAR retvar;
|
|
|
4683 {
|
|
|
4684 expand_T xpc;
|
|
|
4685
|
|
|
4686 ExpandInit(&xpc);
|
|
|
4687 xpc.xp_context = EXPAND_FILES;
|
|
|
4688 retvar->var_type = VAR_STRING;
|
|
|
4689 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
4690 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
4691 ExpandCleanup(&xpc);
|
|
|
4692 }
|
|
|
4693
|
|
|
4694 /*
|
|
|
4695 * "globpath()" function
|
|
|
4696 */
|
|
|
4697 static void
|
|
|
4698 f_globpath(argvars, retvar)
|
|
|
4699 VAR argvars;
|
|
|
4700 VAR retvar;
|
|
|
4701 {
|
|
|
4702 char_u buf1[NUMBUFLEN];
|
|
|
4703
|
|
|
4704 retvar->var_type = VAR_STRING;
|
|
|
4705 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
4706 get_var_string_buf(&argvars[1], buf1));
|
|
|
4707 }
|
|
|
4708
|
|
|
4709 /*
|
|
|
4710 * "has()" function
|
|
|
4711 */
|
|
|
4712 static void
|
|
|
4713 f_has(argvars, retvar)
|
|
|
4714 VAR argvars;
|
|
|
4715 VAR retvar;
|
|
|
4716 {
|
|
|
4717 int i;
|
|
|
4718 char_u *name;
|
|
|
4719 int n = FALSE;
|
|
|
4720 static char *(has_list[]) =
|
|
|
4721 {
|
|
|
4722 #ifdef AMIGA
|
|
|
4723 "amiga",
|
|
|
4724 # ifdef FEAT_ARP
|
|
|
4725 "arp",
|
|
|
4726 # endif
|
|
|
4727 #endif
|
|
|
4728 #ifdef __BEOS__
|
|
|
4729 "beos",
|
|
|
4730 #endif
|
|
|
4731 #ifdef MSDOS
|
|
|
4732 # ifdef DJGPP
|
|
|
4733 "dos32",
|
|
|
4734 # else
|
|
|
4735 "dos16",
|
|
|
4736 # endif
|
|
|
4737 #endif
|
|
|
4738 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
4739 "mac",
|
|
|
4740 #endif
|
|
|
4741 #if defined(MACOS_X_UNIX)
|
|
|
4742 "macunix",
|
|
|
4743 #endif
|
|
|
4744 #ifdef OS2
|
|
|
4745 "os2",
|
|
|
4746 #endif
|
|
|
4747 #ifdef __QNX__
|
|
|
4748 "qnx",
|
|
|
4749 #endif
|
|
|
4750 #ifdef RISCOS
|
|
|
4751 "riscos",
|
|
|
4752 #endif
|
|
|
4753 #ifdef UNIX
|
|
|
4754 "unix",
|
|
|
4755 #endif
|
|
|
4756 #ifdef VMS
|
|
|
4757 "vms",
|
|
|
4758 #endif
|
|
|
4759 #ifdef WIN16
|
|
|
4760 "win16",
|
|
|
4761 #endif
|
|
|
4762 #ifdef WIN32
|
|
|
4763 "win32",
|
|
|
4764 #endif
|
|
|
4765 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
4766 "win32unix",
|
|
|
4767 #endif
|
|
|
4768 #ifdef WIN64
|
|
|
4769 "win64",
|
|
|
4770 #endif
|
|
|
4771 #ifdef EBCDIC
|
|
|
4772 "ebcdic",
|
|
|
4773 #endif
|
|
|
4774 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
4775 "fname_case",
|
|
|
4776 #endif
|
|
|
4777 #ifdef FEAT_ARABIC
|
|
|
4778 "arabic",
|
|
|
4779 #endif
|
|
|
4780 #ifdef FEAT_AUTOCMD
|
|
|
4781 "autocmd",
|
|
|
4782 #endif
|
|
|
4783 #ifdef FEAT_BEVAL
|
|
|
4784 "balloon_eval",
|
|
|
4785 #endif
|
|
|
4786 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
4787 "builtin_terms",
|
|
|
4788 # ifdef ALL_BUILTIN_TCAPS
|
|
|
4789 "all_builtin_terms",
|
|
|
4790 # endif
|
|
|
4791 #endif
|
|
|
4792 #ifdef FEAT_BYTEOFF
|
|
|
4793 "byte_offset",
|
|
|
4794 #endif
|
|
|
4795 #ifdef FEAT_CINDENT
|
|
|
4796 "cindent",
|
|
|
4797 #endif
|
|
|
4798 #ifdef FEAT_CLIENTSERVER
|
|
|
4799 "clientserver",
|
|
|
4800 #endif
|
|
|
4801 #ifdef FEAT_CLIPBOARD
|
|
|
4802 "clipboard",
|
|
|
4803 #endif
|
|
|
4804 #ifdef FEAT_CMDL_COMPL
|
|
|
4805 "cmdline_compl",
|
|
|
4806 #endif
|
|
|
4807 #ifdef FEAT_CMDHIST
|
|
|
4808 "cmdline_hist",
|
|
|
4809 #endif
|
|
|
4810 #ifdef FEAT_COMMENTS
|
|
|
4811 "comments",
|
|
|
4812 #endif
|
|
|
4813 #ifdef FEAT_CRYPT
|
|
|
4814 "cryptv",
|
|
|
4815 #endif
|
|
|
4816 #ifdef FEAT_CSCOPE
|
|
|
4817 "cscope",
|
|
|
4818 #endif
|
|
|
4819 #ifdef DEBUG
|
|
|
4820 "debug",
|
|
|
4821 #endif
|
|
|
4822 #ifdef FEAT_CON_DIALOG
|
|
|
4823 "dialog_con",
|
|
|
4824 #endif
|
|
|
4825 #ifdef FEAT_GUI_DIALOG
|
|
|
4826 "dialog_gui",
|
|
|
4827 #endif
|
|
|
4828 #ifdef FEAT_DIFF
|
|
|
4829 "diff",
|
|
|
4830 #endif
|
|
|
4831 #ifdef FEAT_DIGRAPHS
|
|
|
4832 "digraphs",
|
|
|
4833 #endif
|
|
|
4834 #ifdef FEAT_DND
|
|
|
4835 "dnd",
|
|
|
4836 #endif
|
|
|
4837 #ifdef FEAT_EMACS_TAGS
|
|
|
4838 "emacs_tags",
|
|
|
4839 #endif
|
|
|
4840 "eval", /* always present, of course! */
|
|
|
4841 #ifdef FEAT_EX_EXTRA
|
|
|
4842 "ex_extra",
|
|
|
4843 #endif
|
|
|
4844 #ifdef FEAT_SEARCH_EXTRA
|
|
|
4845 "extra_search",
|
|
|
4846 #endif
|
|
|
4847 #ifdef FEAT_FKMAP
|
|
|
4848 "farsi",
|
|
|
4849 #endif
|
|
|
4850 #ifdef FEAT_SEARCHPATH
|
|
|
4851 "file_in_path",
|
|
|
4852 #endif
|
|
|
4853 #ifdef FEAT_FIND_ID
|
|
|
4854 "find_in_path",
|
|
|
4855 #endif
|
|
|
4856 #ifdef FEAT_FOLDING
|
|
|
4857 "folding",
|
|
|
4858 #endif
|
|
|
4859 #ifdef FEAT_FOOTER
|
|
|
4860 "footer",
|
|
|
4861 #endif
|
|
|
4862 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
4863 "fork",
|
|
|
4864 #endif
|
|
|
4865 #ifdef FEAT_GETTEXT
|
|
|
4866 "gettext",
|
|
|
4867 #endif
|
|
|
4868 #ifdef FEAT_GUI
|
|
|
4869 "gui",
|
|
|
4870 #endif
|
|
|
4871 #ifdef FEAT_GUI_ATHENA
|
|
|
4872 # ifdef FEAT_GUI_NEXTAW
|
|
|
4873 "gui_neXtaw",
|
|
|
4874 # else
|
|
|
4875 "gui_athena",
|
|
|
4876 # endif
|
|
|
4877 #endif
|
|
|
4878 #ifdef FEAT_GUI_BEOS
|
|
|
4879 "gui_beos",
|
|
|
4880 #endif
|
|
11
|
4881 #ifdef FEAT_GUI_KDE
|
|
|
4882 "gui_kde",
|
|
|
4883 #endif
|
|
7
|
4884 #ifdef FEAT_GUI_GTK
|
|
|
4885 "gui_gtk",
|
|
|
4886 # ifdef HAVE_GTK2
|
|
|
4887 "gui_gtk2",
|
|
|
4888 # endif
|
|
|
4889 #endif
|
|
|
4890 #ifdef FEAT_GUI_MAC
|
|
|
4891 "gui_mac",
|
|
|
4892 #endif
|
|
|
4893 #ifdef FEAT_GUI_MOTIF
|
|
|
4894 "gui_motif",
|
|
|
4895 #endif
|
|
|
4896 #ifdef FEAT_GUI_PHOTON
|
|
|
4897 "gui_photon",
|
|
|
4898 #endif
|
|
|
4899 #ifdef FEAT_GUI_W16
|
|
|
4900 "gui_win16",
|
|
|
4901 #endif
|
|
|
4902 #ifdef FEAT_GUI_W32
|
|
|
4903 "gui_win32",
|
|
|
4904 #endif
|
|
|
4905 #ifdef FEAT_HANGULIN
|
|
|
4906 "hangul_input",
|
|
|
4907 #endif
|
|
|
4908 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
4909 "iconv",
|
|
|
4910 #endif
|
|
|
4911 #ifdef FEAT_INS_EXPAND
|
|
|
4912 "insert_expand",
|
|
|
4913 #endif
|
|
|
4914 #ifdef FEAT_JUMPLIST
|
|
|
4915 "jumplist",
|
|
|
4916 #endif
|
|
|
4917 #ifdef FEAT_KEYMAP
|
|
|
4918 "keymap",
|
|
|
4919 #endif
|
|
|
4920 #ifdef FEAT_LANGMAP
|
|
|
4921 "langmap",
|
|
|
4922 #endif
|
|
|
4923 #ifdef FEAT_LIBCALL
|
|
|
4924 "libcall",
|
|
|
4925 #endif
|
|
|
4926 #ifdef FEAT_LINEBREAK
|
|
|
4927 "linebreak",
|
|
|
4928 #endif
|
|
|
4929 #ifdef FEAT_LISP
|
|
|
4930 "lispindent",
|
|
|
4931 #endif
|
|
|
4932 #ifdef FEAT_LISTCMDS
|
|
|
4933 "listcmds",
|
|
|
4934 #endif
|
|
|
4935 #ifdef FEAT_LOCALMAP
|
|
|
4936 "localmap",
|
|
|
4937 #endif
|
|
|
4938 #ifdef FEAT_MENU
|
|
|
4939 "menu",
|
|
|
4940 #endif
|
|
|
4941 #ifdef FEAT_SESSION
|
|
|
4942 "mksession",
|
|
|
4943 #endif
|
|
|
4944 #ifdef FEAT_MODIFY_FNAME
|
|
|
4945 "modify_fname",
|
|
|
4946 #endif
|
|
|
4947 #ifdef FEAT_MOUSE
|
|
|
4948 "mouse",
|
|
|
4949 #endif
|
|
|
4950 #ifdef FEAT_MOUSESHAPE
|
|
|
4951 "mouseshape",
|
|
|
4952 #endif
|
|
|
4953 #if defined(UNIX) || defined(VMS)
|
|
|
4954 # ifdef FEAT_MOUSE_DEC
|
|
|
4955 "mouse_dec",
|
|
|
4956 # endif
|
|
|
4957 # ifdef FEAT_MOUSE_GPM
|
|
|
4958 "mouse_gpm",
|
|
|
4959 # endif
|
|
|
4960 # ifdef FEAT_MOUSE_JSB
|
|
|
4961 "mouse_jsbterm",
|
|
|
4962 # endif
|
|
|
4963 # ifdef FEAT_MOUSE_NET
|
|
|
4964 "mouse_netterm",
|
|
|
4965 # endif
|
|
|
4966 # ifdef FEAT_MOUSE_PTERM
|
|
|
4967 "mouse_pterm",
|
|
|
4968 # endif
|
|
|
4969 # ifdef FEAT_MOUSE_XTERM
|
|
|
4970 "mouse_xterm",
|
|
|
4971 # endif
|
|
|
4972 #endif
|
|
|
4973 #ifdef FEAT_MBYTE
|
|
|
4974 "multi_byte",
|
|
|
4975 #endif
|
|
|
4976 #ifdef FEAT_MBYTE_IME
|
|
|
4977 "multi_byte_ime",
|
|
|
4978 #endif
|
|
|
4979 #ifdef FEAT_MULTI_LANG
|
|
|
4980 "multi_lang",
|
|
|
4981 #endif
|
|
|
4982 #ifdef FEAT_OLE
|
|
|
4983 "ole",
|
|
|
4984 #endif
|
|
|
4985 #ifdef FEAT_OSFILETYPE
|
|
|
4986 "osfiletype",
|
|
|
4987 #endif
|
|
|
4988 #ifdef FEAT_PATH_EXTRA
|
|
|
4989 "path_extra",
|
|
|
4990 #endif
|
|
|
4991 #ifdef FEAT_PERL
|
|
|
4992 #ifndef DYNAMIC_PERL
|
|
|
4993 "perl",
|
|
|
4994 #endif
|
|
|
4995 #endif
|
|
|
4996 #ifdef FEAT_PYTHON
|
|
|
4997 #ifndef DYNAMIC_PYTHON
|
|
|
4998 "python",
|
|
|
4999 #endif
|
|
|
5000 #endif
|
|
|
5001 #ifdef FEAT_POSTSCRIPT
|
|
|
5002 "postscript",
|
|
|
5003 #endif
|
|
|
5004 #ifdef FEAT_PRINTER
|
|
|
5005 "printer",
|
|
|
5006 #endif
|
|
|
5007 #ifdef FEAT_QUICKFIX
|
|
|
5008 "quickfix",
|
|
|
5009 #endif
|
|
|
5010 #ifdef FEAT_RIGHTLEFT
|
|
|
5011 "rightleft",
|
|
|
5012 #endif
|
|
|
5013 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
5014 "ruby",
|
|
|
5015 #endif
|
|
|
5016 #ifdef FEAT_SCROLLBIND
|
|
|
5017 "scrollbind",
|
|
|
5018 #endif
|
|
|
5019 #ifdef FEAT_CMDL_INFO
|
|
|
5020 "showcmd",
|
|
|
5021 "cmdline_info",
|
|
|
5022 #endif
|
|
|
5023 #ifdef FEAT_SIGNS
|
|
|
5024 "signs",
|
|
|
5025 #endif
|
|
|
5026 #ifdef FEAT_SMARTINDENT
|
|
|
5027 "smartindent",
|
|
|
5028 #endif
|
|
|
5029 #ifdef FEAT_SNIFF
|
|
|
5030 "sniff",
|
|
|
5031 #endif
|
|
|
5032 #ifdef FEAT_STL_OPT
|
|
|
5033 "statusline",
|
|
|
5034 #endif
|
|
|
5035 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5036 "sun_workshop",
|
|
|
5037 #endif
|
|
|
5038 #ifdef FEAT_NETBEANS_INTG
|
|
|
5039 "netbeans_intg",
|
|
|
5040 #endif
|
|
|
5041 #ifdef FEAT_SYN_HL
|
|
|
5042 "syntax",
|
|
|
5043 #endif
|
|
|
5044 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5045 "system",
|
|
|
5046 #endif
|
|
|
5047 #ifdef FEAT_TAG_BINS
|
|
|
5048 "tag_binary",
|
|
|
5049 #endif
|
|
|
5050 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5051 "tag_old_static",
|
|
|
5052 #endif
|
|
|
5053 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5054 "tag_any_white",
|
|
|
5055 #endif
|
|
|
5056 #ifdef FEAT_TCL
|
|
|
5057 # ifndef DYNAMIC_TCL
|
|
|
5058 "tcl",
|
|
|
5059 # endif
|
|
|
5060 #endif
|
|
|
5061 #ifdef TERMINFO
|
|
|
5062 "terminfo",
|
|
|
5063 #endif
|
|
|
5064 #ifdef FEAT_TERMRESPONSE
|
|
|
5065 "termresponse",
|
|
|
5066 #endif
|
|
|
5067 #ifdef FEAT_TEXTOBJ
|
|
|
5068 "textobjects",
|
|
|
5069 #endif
|
|
|
5070 #ifdef HAVE_TGETENT
|
|
|
5071 "tgetent",
|
|
|
5072 #endif
|
|
|
5073 #ifdef FEAT_TITLE
|
|
|
5074 "title",
|
|
|
5075 #endif
|
|
|
5076 #ifdef FEAT_TOOLBAR
|
|
|
5077 "toolbar",
|
|
|
5078 #endif
|
|
|
5079 #ifdef FEAT_USR_CMDS
|
|
|
5080 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5081 "user_commands",
|
|
|
5082 #endif
|
|
|
5083 #ifdef FEAT_VIMINFO
|
|
|
5084 "viminfo",
|
|
|
5085 #endif
|
|
|
5086 #ifdef FEAT_VERTSPLIT
|
|
|
5087 "vertsplit",
|
|
|
5088 #endif
|
|
|
5089 #ifdef FEAT_VIRTUALEDIT
|
|
|
5090 "virtualedit",
|
|
|
5091 #endif
|
|
|
5092 #ifdef FEAT_VISUAL
|
|
|
5093 "visual",
|
|
|
5094 #endif
|
|
|
5095 #ifdef FEAT_VISUALEXTRA
|
|
|
5096 "visualextra",
|
|
|
5097 #endif
|
|
|
5098 #ifdef FEAT_VREPLACE
|
|
|
5099 "vreplace",
|
|
|
5100 #endif
|
|
|
5101 #ifdef FEAT_WILDIGN
|
|
|
5102 "wildignore",
|
|
|
5103 #endif
|
|
|
5104 #ifdef FEAT_WILDMENU
|
|
|
5105 "wildmenu",
|
|
|
5106 #endif
|
|
|
5107 #ifdef FEAT_WINDOWS
|
|
|
5108 "windows",
|
|
|
5109 #endif
|
|
|
5110 #ifdef FEAT_WAK
|
|
|
5111 "winaltkeys",
|
|
|
5112 #endif
|
|
|
5113 #ifdef FEAT_WRITEBACKUP
|
|
|
5114 "writebackup",
|
|
|
5115 #endif
|
|
|
5116 #ifdef FEAT_XIM
|
|
|
5117 "xim",
|
|
|
5118 #endif
|
|
|
5119 #ifdef FEAT_XFONTSET
|
|
|
5120 "xfontset",
|
|
|
5121 #endif
|
|
|
5122 #ifdef USE_XSMP
|
|
|
5123 "xsmp",
|
|
|
5124 #endif
|
|
|
5125 #ifdef USE_XSMP_INTERACT
|
|
|
5126 "xsmp_interact",
|
|
|
5127 #endif
|
|
|
5128 #ifdef FEAT_XCLIPBOARD
|
|
|
5129 "xterm_clipboard",
|
|
|
5130 #endif
|
|
|
5131 #ifdef FEAT_XTERM_SAVE
|
|
|
5132 "xterm_save",
|
|
|
5133 #endif
|
|
|
5134 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5135 "X11",
|
|
|
5136 #endif
|
|
|
5137 NULL
|
|
|
5138 };
|
|
|
5139
|
|
|
5140 name = get_var_string(&argvars[0]);
|
|
|
5141 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5142 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5143 {
|
|
|
5144 n = TRUE;
|
|
|
5145 break;
|
|
|
5146 }
|
|
|
5147
|
|
|
5148 if (n == FALSE)
|
|
|
5149 {
|
|
|
5150 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5151 n = has_patch(atoi((char *)name + 5));
|
|
|
5152 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5153 n = (starting != 0);
|
|
|
5154 #ifdef DYNAMIC_TCL
|
|
|
5155 else if (STRICMP(name, "tcl") == 0)
|
|
|
5156 n = tcl_enabled(FALSE);
|
|
|
5157 #endif
|
|
|
5158 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5159 else if (STRICMP(name, "iconv") == 0)
|
|
|
5160 n = iconv_enabled(FALSE);
|
|
|
5161 #endif
|
|
|
5162 #ifdef DYNAMIC_RUBY
|
|
|
5163 else if (STRICMP(name, "ruby") == 0)
|
|
|
5164 n = ruby_enabled(FALSE);
|
|
|
5165 #endif
|
|
|
5166 #ifdef DYNAMIC_PYTHON
|
|
|
5167 else if (STRICMP(name, "python") == 0)
|
|
|
5168 n = python_enabled(FALSE);
|
|
|
5169 #endif
|
|
|
5170 #ifdef DYNAMIC_PERL
|
|
|
5171 else if (STRICMP(name, "perl") == 0)
|
|
|
5172 n = perl_enabled(FALSE);
|
|
|
5173 #endif
|
|
|
5174 #ifdef FEAT_GUI
|
|
|
5175 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5176 n = (gui.in_use || gui.starting);
|
|
|
5177 # ifdef FEAT_GUI_W32
|
|
|
5178 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5179 n = gui_is_win32s();
|
|
|
5180 # endif
|
|
|
5181 # ifdef FEAT_BROWSE
|
|
|
5182 else if (STRICMP(name, "browse") == 0)
|
|
|
5183 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5184 # endif
|
|
|
5185 #endif
|
|
|
5186 #ifdef FEAT_SYN_HL
|
|
|
5187 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5188 n = syntax_present(curbuf);
|
|
|
5189 #endif
|
|
|
5190 #if defined(WIN3264)
|
|
|
5191 else if (STRICMP(name, "win95") == 0)
|
|
|
5192 n = mch_windows95();
|
|
|
5193 #endif
|
|
|
5194 }
|
|
|
5195
|
|
|
5196 retvar->var_val.var_number = n;
|
|
|
5197 }
|
|
|
5198
|
|
|
5199 /*
|
|
|
5200 * "hasmapto()" function
|
|
|
5201 */
|
|
|
5202 static void
|
|
|
5203 f_hasmapto(argvars, retvar)
|
|
|
5204 VAR argvars;
|
|
|
5205 VAR retvar;
|
|
|
5206 {
|
|
|
5207 char_u *name;
|
|
|
5208 char_u *mode;
|
|
|
5209 char_u buf[NUMBUFLEN];
|
|
|
5210
|
|
|
5211 name = get_var_string(&argvars[0]);
|
|
|
5212 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5213 mode = (char_u *)"nvo";
|
|
|
5214 else
|
|
|
5215 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5216
|
|
|
5217 if (map_to_exists(name, mode))
|
|
|
5218 retvar->var_val.var_number = TRUE;
|
|
|
5219 else
|
|
|
5220 retvar->var_val.var_number = FALSE;
|
|
|
5221 }
|
|
|
5222
|
|
|
5223 /*
|
|
|
5224 * "histadd()" function
|
|
|
5225 */
|
|
|
5226 /*ARGSUSED*/
|
|
|
5227 static void
|
|
|
5228 f_histadd(argvars, retvar)
|
|
|
5229 VAR argvars;
|
|
|
5230 VAR retvar;
|
|
|
5231 {
|
|
|
5232 #ifdef FEAT_CMDHIST
|
|
|
5233 int histype;
|
|
|
5234 char_u *str;
|
|
|
5235 char_u buf[NUMBUFLEN];
|
|
|
5236 #endif
|
|
|
5237
|
|
|
5238 retvar->var_val.var_number = FALSE;
|
|
|
5239 if (check_restricted() || check_secure())
|
|
|
5240 return;
|
|
|
5241 #ifdef FEAT_CMDHIST
|
|
|
5242 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5243 if (histype >= 0)
|
|
|
5244 {
|
|
|
5245 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5246 if (*str != NUL)
|
|
|
5247 {
|
|
|
5248 add_to_history(histype, str, FALSE, NUL);
|
|
|
5249 retvar->var_val.var_number = TRUE;
|
|
|
5250 return;
|
|
|
5251 }
|
|
|
5252 }
|
|
|
5253 #endif
|
|
|
5254 }
|
|
|
5255
|
|
|
5256 /*
|
|
|
5257 * "histdel()" function
|
|
|
5258 */
|
|
|
5259 /*ARGSUSED*/
|
|
|
5260 static void
|
|
|
5261 f_histdel(argvars, retvar)
|
|
|
5262 VAR argvars;
|
|
|
5263 VAR retvar;
|
|
|
5264 {
|
|
|
5265 #ifdef FEAT_CMDHIST
|
|
|
5266 int n;
|
|
|
5267 char_u buf[NUMBUFLEN];
|
|
|
5268
|
|
|
5269 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5270 /* only one argument: clear entire history */
|
|
|
5271 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5272 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5273 /* index given: remove that entry */
|
|
|
5274 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5275 (int)get_var_number(&argvars[1]));
|
|
|
5276 else
|
|
|
5277 /* string given: remove all matching entries */
|
|
|
5278 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5279 get_var_string_buf(&argvars[1], buf));
|
|
|
5280 retvar->var_val.var_number = n;
|
|
|
5281 #else
|
|
|
5282 retvar->var_val.var_number = 0;
|
|
|
5283 #endif
|
|
|
5284 }
|
|
|
5285
|
|
|
5286 /*
|
|
|
5287 * "histget()" function
|
|
|
5288 */
|
|
|
5289 /*ARGSUSED*/
|
|
|
5290 static void
|
|
|
5291 f_histget(argvars, retvar)
|
|
|
5292 VAR argvars;
|
|
|
5293 VAR retvar;
|
|
|
5294 {
|
|
|
5295 #ifdef FEAT_CMDHIST
|
|
|
5296 int type;
|
|
|
5297 int idx;
|
|
|
5298
|
|
|
5299 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5300 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5301 idx = get_history_idx(type);
|
|
|
5302 else
|
|
|
5303 idx = (int)get_var_number(&argvars[1]);
|
|
|
5304 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5305 #else
|
|
|
5306 retvar->var_val.var_string = NULL;
|
|
|
5307 #endif
|
|
|
5308 retvar->var_type = VAR_STRING;
|
|
|
5309 }
|
|
|
5310
|
|
|
5311 /*
|
|
|
5312 * "histnr()" function
|
|
|
5313 */
|
|
|
5314 /*ARGSUSED*/
|
|
|
5315 static void
|
|
|
5316 f_histnr(argvars, retvar)
|
|
|
5317 VAR argvars;
|
|
|
5318 VAR retvar;
|
|
|
5319 {
|
|
|
5320 int i;
|
|
|
5321
|
|
|
5322 #ifdef FEAT_CMDHIST
|
|
|
5323 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5324 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5325 i = get_history_idx(i);
|
|
|
5326 else
|
|
|
5327 #endif
|
|
|
5328 i = -1;
|
|
|
5329 retvar->var_val.var_number = i;
|
|
|
5330 }
|
|
|
5331
|
|
|
5332 /*
|
|
|
5333 * "highlight_exists()" function
|
|
|
5334 */
|
|
|
5335 static void
|
|
|
5336 f_hlexists(argvars, retvar)
|
|
|
5337 VAR argvars;
|
|
|
5338 VAR retvar;
|
|
|
5339 {
|
|
|
5340 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5341 }
|
|
|
5342
|
|
|
5343 /*
|
|
|
5344 * "highlightID(name)" function
|
|
|
5345 */
|
|
|
5346 static void
|
|
|
5347 f_hlID(argvars, retvar)
|
|
|
5348 VAR argvars;
|
|
|
5349 VAR retvar;
|
|
|
5350 {
|
|
|
5351 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5352 }
|
|
|
5353
|
|
|
5354 /*
|
|
|
5355 * "hostname()" function
|
|
|
5356 */
|
|
|
5357 /*ARGSUSED*/
|
|
|
5358 static void
|
|
|
5359 f_hostname(argvars, retvar)
|
|
|
5360 VAR argvars;
|
|
|
5361 VAR retvar;
|
|
|
5362 {
|
|
|
5363 char_u hostname[256];
|
|
|
5364
|
|
|
5365 mch_get_host_name(hostname, 256);
|
|
|
5366 retvar->var_type = VAR_STRING;
|
|
|
5367 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5368 }
|
|
|
5369
|
|
|
5370 /*
|
|
|
5371 * iconv() function
|
|
|
5372 */
|
|
|
5373 /*ARGSUSED*/
|
|
|
5374 static void
|
|
|
5375 f_iconv(argvars, retvar)
|
|
|
5376 VAR argvars;
|
|
|
5377 VAR retvar;
|
|
|
5378 {
|
|
|
5379 #ifdef FEAT_MBYTE
|
|
|
5380 char_u buf1[NUMBUFLEN];
|
|
|
5381 char_u buf2[NUMBUFLEN];
|
|
|
5382 char_u *from, *to, *str;
|
|
|
5383 vimconv_T vimconv;
|
|
|
5384 #endif
|
|
|
5385
|
|
|
5386 retvar->var_type = VAR_STRING;
|
|
|
5387 retvar->var_val.var_string = NULL;
|
|
|
5388
|
|
|
5389 #ifdef FEAT_MBYTE
|
|
|
5390 str = get_var_string(&argvars[0]);
|
|
|
5391 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5392 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5393 vimconv.vc_type = CONV_NONE;
|
|
|
5394 convert_setup(&vimconv, from, to);
|
|
|
5395
|
|
|
5396 /* If the encodings are equal, no conversion needed. */
|
|
|
5397 if (vimconv.vc_type == CONV_NONE)
|
|
|
5398 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5399 else
|
|
|
5400 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5401
|
|
|
5402 convert_setup(&vimconv, NULL, NULL);
|
|
|
5403 vim_free(from);
|
|
|
5404 vim_free(to);
|
|
|
5405 #endif
|
|
|
5406 }
|
|
|
5407
|
|
|
5408 /*
|
|
|
5409 * "indent()" function
|
|
|
5410 */
|
|
|
5411 static void
|
|
|
5412 f_indent(argvars, retvar)
|
|
|
5413 VAR argvars;
|
|
|
5414 VAR retvar;
|
|
|
5415 {
|
|
|
5416 linenr_T lnum;
|
|
|
5417
|
|
|
5418 lnum = get_var_lnum(argvars);
|
|
|
5419 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5420 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5421 else
|
|
|
5422 retvar->var_val.var_number = -1;
|
|
|
5423 }
|
|
|
5424
|
|
|
5425 static int inputsecret_flag = 0;
|
|
|
5426
|
|
|
5427 /*
|
|
|
5428 * "input()" function
|
|
|
5429 * Also handles inputsecret() when inputsecret is set.
|
|
|
5430 */
|
|
|
5431 static void
|
|
|
5432 f_input(argvars, retvar)
|
|
|
5433 VAR argvars;
|
|
|
5434 VAR retvar;
|
|
|
5435 {
|
|
|
5436 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5437 char_u *p = NULL;
|
|
|
5438 int c;
|
|
|
5439 char_u buf[NUMBUFLEN];
|
|
|
5440 int cmd_silent_save = cmd_silent;
|
|
|
5441
|
|
|
5442 retvar->var_type = VAR_STRING;
|
|
|
5443
|
|
|
5444 #ifdef NO_CONSOLE_INPUT
|
|
|
5445 /* While starting up, there is no place to enter text. */
|
|
|
5446 if (no_console_input())
|
|
|
5447 {
|
|
|
5448 retvar->var_val.var_string = NULL;
|
|
|
5449 return;
|
|
|
5450 }
|
|
|
5451 #endif
|
|
|
5452
|
|
|
5453 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5454 if (prompt != NULL)
|
|
|
5455 {
|
|
|
5456 /* Only the part of the message after the last NL is considered as
|
|
|
5457 * prompt for the command line */
|
|
|
5458 p = vim_strrchr(prompt, '\n');
|
|
|
5459 if (p == NULL)
|
|
|
5460 p = prompt;
|
|
|
5461 else
|
|
|
5462 {
|
|
|
5463 ++p;
|
|
|
5464 c = *p;
|
|
|
5465 *p = NUL;
|
|
|
5466 msg_start();
|
|
|
5467 msg_clr_eos();
|
|
|
5468 msg_puts_attr(prompt, echo_attr);
|
|
|
5469 msg_didout = FALSE;
|
|
|
5470 msg_starthere();
|
|
|
5471 *p = c;
|
|
|
5472 }
|
|
|
5473 cmdline_row = msg_row;
|
|
|
5474 }
|
|
|
5475
|
|
|
5476 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5477 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5478
|
|
|
5479 retvar->var_val.var_string =
|
|
|
5480 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5481
|
|
|
5482 /* since the user typed this, no need to wait for return */
|
|
|
5483 need_wait_return = FALSE;
|
|
|
5484 msg_didout = FALSE;
|
|
|
5485 cmd_silent = cmd_silent_save;
|
|
|
5486 }
|
|
|
5487
|
|
|
5488 /*
|
|
|
5489 * "inputdialog()" function
|
|
|
5490 */
|
|
|
5491 static void
|
|
|
5492 f_inputdialog(argvars, retvar)
|
|
|
5493 VAR argvars;
|
|
|
5494 VAR retvar;
|
|
|
5495 {
|
|
|
5496 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5497 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5498 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5499 {
|
|
|
5500 char_u *message;
|
|
|
5501 char_u buf[NUMBUFLEN];
|
|
|
5502
|
|
|
5503 message = get_var_string(&argvars[0]);
|
|
|
5504 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5505 {
|
|
|
5506 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5507 IObuff[IOSIZE - 1] = NUL;
|
|
|
5508 }
|
|
|
5509 else
|
|
|
5510 IObuff[0] = NUL;
|
|
|
5511 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5512 1, IObuff) == 1)
|
|
|
5513 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5514 else
|
|
|
5515 {
|
|
|
5516 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5517 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5518 retvar->var_val.var_string = vim_strsave(
|
|
|
5519 get_var_string_buf(&argvars[2], buf));
|
|
|
5520 else
|
|
|
5521 retvar->var_val.var_string = NULL;
|
|
|
5522 }
|
|
|
5523 retvar->var_type = VAR_STRING;
|
|
|
5524 }
|
|
|
5525 else
|
|
|
5526 #endif
|
|
|
5527 f_input(argvars, retvar);
|
|
|
5528 }
|
|
|
5529
|
|
|
5530 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5531
|
|
|
5532 /*
|
|
|
5533 * "inputrestore()" function
|
|
|
5534 */
|
|
|
5535 /*ARGSUSED*/
|
|
|
5536 static void
|
|
|
5537 f_inputrestore(argvars, retvar)
|
|
|
5538 VAR argvars;
|
|
|
5539 VAR retvar;
|
|
|
5540 {
|
|
|
5541 if (ga_userinput.ga_len > 0)
|
|
|
5542 {
|
|
|
5543 --ga_userinput.ga_len;
|
|
|
5544 ++ga_userinput.ga_room;
|
|
|
5545 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5546 + ga_userinput.ga_len);
|
|
|
5547 retvar->var_val.var_number = 0; /* OK */
|
|
|
5548 }
|
|
|
5549 else if (p_verbose > 1)
|
|
|
5550 {
|
|
|
5551 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5552 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5553 }
|
|
|
5554 }
|
|
|
5555
|
|
|
5556 /*
|
|
|
5557 * "inputsave()" function
|
|
|
5558 */
|
|
|
5559 /*ARGSUSED*/
|
|
|
5560 static void
|
|
|
5561 f_inputsave(argvars, retvar)
|
|
|
5562 VAR argvars;
|
|
|
5563 VAR retvar;
|
|
|
5564 {
|
|
|
5565 /* Add an entry to the stack of typehead storage. */
|
|
|
5566 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5567 {
|
|
|
5568 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5569 + ga_userinput.ga_len);
|
|
|
5570 ++ga_userinput.ga_len;
|
|
|
5571 --ga_userinput.ga_room;
|
|
|
5572 retvar->var_val.var_number = 0; /* OK */
|
|
|
5573 }
|
|
|
5574 else
|
|
|
5575 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5576 }
|
|
|
5577
|
|
|
5578 /*
|
|
|
5579 * "inputsecret()" function
|
|
|
5580 */
|
|
|
5581 static void
|
|
|
5582 f_inputsecret(argvars, retvar)
|
|
|
5583 VAR argvars;
|
|
|
5584 VAR retvar;
|
|
|
5585 {
|
|
|
5586 ++cmdline_star;
|
|
|
5587 ++inputsecret_flag;
|
|
|
5588 f_input(argvars, retvar);
|
|
|
5589 --cmdline_star;
|
|
|
5590 --inputsecret_flag;
|
|
|
5591 }
|
|
|
5592
|
|
|
5593 /*
|
|
|
5594 * "isdirectory()" function
|
|
|
5595 */
|
|
|
5596 static void
|
|
|
5597 f_isdirectory(argvars, retvar)
|
|
|
5598 VAR argvars;
|
|
|
5599 VAR retvar;
|
|
|
5600 {
|
|
|
5601 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5602 }
|
|
|
5603
|
|
|
5604 /*
|
|
|
5605 * "last_buffer_nr()" function.
|
|
|
5606 */
|
|
|
5607 /*ARGSUSED*/
|
|
|
5608 static void
|
|
|
5609 f_last_buffer_nr(argvars, retvar)
|
|
|
5610 VAR argvars;
|
|
|
5611 VAR retvar;
|
|
|
5612 {
|
|
|
5613 int n = 0;
|
|
|
5614 buf_T *buf;
|
|
|
5615
|
|
|
5616 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5617 if (n < buf->b_fnum)
|
|
|
5618 n = buf->b_fnum;
|
|
|
5619
|
|
|
5620 retvar->var_val.var_number = n;
|
|
|
5621 }
|
|
|
5622
|
|
|
5623 /*
|
|
|
5624 * "line(string)" function
|
|
|
5625 */
|
|
|
5626 static void
|
|
|
5627 f_line(argvars, retvar)
|
|
|
5628 VAR argvars;
|
|
|
5629 VAR retvar;
|
|
|
5630 {
|
|
|
5631 linenr_T lnum = 0;
|
|
|
5632 pos_T *fp;
|
|
|
5633
|
|
|
5634 fp = var2fpos(&argvars[0], TRUE);
|
|
|
5635 if (fp != NULL)
|
|
|
5636 lnum = fp->lnum;
|
|
|
5637 retvar->var_val.var_number = lnum;
|
|
|
5638 }
|
|
|
5639
|
|
|
5640 /*
|
|
|
5641 * "line2byte(lnum)" function
|
|
|
5642 */
|
|
|
5643 /*ARGSUSED*/
|
|
|
5644 static void
|
|
|
5645 f_line2byte(argvars, retvar)
|
|
|
5646 VAR argvars;
|
|
|
5647 VAR retvar;
|
|
|
5648 {
|
|
|
5649 #ifndef FEAT_BYTEOFF
|
|
|
5650 retvar->var_val.var_number = -1;
|
|
|
5651 #else
|
|
|
5652 linenr_T lnum;
|
|
|
5653
|
|
|
5654 lnum = get_var_lnum(argvars);
|
|
|
5655 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
5656 retvar->var_val.var_number = -1;
|
|
|
5657 else
|
|
|
5658 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
5659 if (retvar->var_val.var_number >= 0)
|
|
|
5660 ++retvar->var_val.var_number;
|
|
|
5661 #endif
|
|
|
5662 }
|
|
|
5663
|
|
|
5664 /*
|
|
|
5665 * "lispindent(lnum)" function
|
|
|
5666 */
|
|
|
5667 static void
|
|
|
5668 f_lispindent(argvars, retvar)
|
|
|
5669 VAR argvars;
|
|
|
5670 VAR retvar;
|
|
|
5671 {
|
|
|
5672 #ifdef FEAT_LISP
|
|
|
5673 pos_T pos;
|
|
|
5674 linenr_T lnum;
|
|
|
5675
|
|
|
5676 pos = curwin->w_cursor;
|
|
|
5677 lnum = get_var_lnum(argvars);
|
|
|
5678 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5679 {
|
|
|
5680 curwin->w_cursor.lnum = lnum;
|
|
|
5681 retvar->var_val.var_number = get_lisp_indent();
|
|
|
5682 curwin->w_cursor = pos;
|
|
|
5683 }
|
|
|
5684 else
|
|
|
5685 #endif
|
|
|
5686 retvar->var_val.var_number = -1;
|
|
|
5687 }
|
|
|
5688
|
|
|
5689 /*
|
|
|
5690 * "localtime()" function
|
|
|
5691 */
|
|
|
5692 /*ARGSUSED*/
|
|
|
5693 static void
|
|
|
5694 f_localtime(argvars, retvar)
|
|
|
5695 VAR argvars;
|
|
|
5696 VAR retvar;
|
|
|
5697 {
|
|
|
5698 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
5699 }
|
|
|
5700
|
|
|
5701 /*
|
|
|
5702 * "maparg()" function
|
|
|
5703 */
|
|
|
5704 static void
|
|
|
5705 f_maparg(argvars, retvar)
|
|
|
5706 VAR argvars;
|
|
|
5707 VAR retvar;
|
|
|
5708 {
|
|
|
5709 get_maparg(argvars, retvar, TRUE);
|
|
|
5710 }
|
|
|
5711
|
|
|
5712 /*
|
|
|
5713 * "mapcheck()" function
|
|
|
5714 */
|
|
|
5715 static void
|
|
|
5716 f_mapcheck(argvars, retvar)
|
|
|
5717 VAR argvars;
|
|
|
5718 VAR retvar;
|
|
|
5719 {
|
|
|
5720 get_maparg(argvars, retvar, FALSE);
|
|
|
5721 }
|
|
|
5722
|
|
|
5723 static void
|
|
|
5724 get_maparg(argvars, retvar, exact)
|
|
|
5725 VAR argvars;
|
|
|
5726 VAR retvar;
|
|
|
5727 int exact;
|
|
|
5728 {
|
|
|
5729 char_u *keys;
|
|
|
5730 char_u *which;
|
|
|
5731 char_u buf[NUMBUFLEN];
|
|
|
5732 char_u *keys_buf = NULL;
|
|
|
5733 char_u *rhs;
|
|
|
5734 int mode;
|
|
|
5735 garray_T ga;
|
|
|
5736
|
|
|
5737 /* return empty string for failure */
|
|
|
5738 retvar->var_type = VAR_STRING;
|
|
|
5739 retvar->var_val.var_string = NULL;
|
|
|
5740
|
|
|
5741 keys = get_var_string(&argvars[0]);
|
|
|
5742 if (*keys == NUL)
|
|
|
5743 return;
|
|
|
5744
|
|
|
5745 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5746 which = get_var_string_buf(&argvars[1], buf);
|
|
|
5747 else
|
|
|
5748 which = (char_u *)"";
|
|
|
5749 mode = get_map_mode(&which, 0);
|
|
|
5750
|
|
|
5751 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
5752 rhs = check_map(keys, mode, exact);
|
|
|
5753 vim_free(keys_buf);
|
|
|
5754 if (rhs != NULL)
|
|
|
5755 {
|
|
|
5756 ga_init(&ga);
|
|
|
5757 ga.ga_itemsize = 1;
|
|
|
5758 ga.ga_growsize = 40;
|
|
|
5759
|
|
|
5760 while (*rhs != NUL)
|
|
|
5761 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
5762
|
|
|
5763 ga_append(&ga, NUL);
|
|
|
5764 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
5765 }
|
|
|
5766 }
|
|
|
5767
|
|
|
5768 /*
|
|
|
5769 * "match()" function
|
|
|
5770 */
|
|
|
5771 static void
|
|
|
5772 f_match(argvars, retvar)
|
|
|
5773 VAR argvars;
|
|
|
5774 VAR retvar;
|
|
|
5775 {
|
|
|
5776 find_some_match(argvars, retvar, 1);
|
|
|
5777 }
|
|
|
5778
|
|
|
5779 /*
|
|
|
5780 * "matchend()" function
|
|
|
5781 */
|
|
|
5782 static void
|
|
|
5783 f_matchend(argvars, retvar)
|
|
|
5784 VAR argvars;
|
|
|
5785 VAR retvar;
|
|
|
5786 {
|
|
|
5787 find_some_match(argvars, retvar, 0);
|
|
|
5788 }
|
|
|
5789
|
|
|
5790 /*
|
|
|
5791 * "matchstr()" function
|
|
|
5792 */
|
|
|
5793 static void
|
|
|
5794 f_matchstr(argvars, retvar)
|
|
|
5795 VAR argvars;
|
|
|
5796 VAR retvar;
|
|
|
5797 {
|
|
|
5798 find_some_match(argvars, retvar, 2);
|
|
|
5799 }
|
|
|
5800
|
|
|
5801 static void
|
|
|
5802 find_some_match(argvars, retvar, type)
|
|
|
5803 VAR argvars;
|
|
|
5804 VAR retvar;
|
|
|
5805 int type;
|
|
|
5806 {
|
|
|
5807 char_u *str;
|
|
|
5808 char_u *pat;
|
|
|
5809 regmatch_T regmatch;
|
|
|
5810 char_u patbuf[NUMBUFLEN];
|
|
|
5811 char_u *save_cpo;
|
|
|
5812 long start = 0;
|
|
|
5813
|
|
|
5814 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
5815 save_cpo = p_cpo;
|
|
|
5816 p_cpo = (char_u *)"";
|
|
|
5817
|
|
|
5818 str = get_var_string(&argvars[0]);
|
|
|
5819 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
5820
|
|
|
5821 if (type == 2)
|
|
|
5822 {
|
|
|
5823 retvar->var_type = VAR_STRING;
|
|
|
5824 retvar->var_val.var_string = NULL;
|
|
|
5825 }
|
|
|
5826 else
|
|
|
5827 retvar->var_val.var_number = -1;
|
|
|
5828
|
|
|
5829 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5830 {
|
|
|
5831 start = get_var_number(&argvars[2]);
|
|
|
5832 if (start < 0)
|
|
|
5833 start = 0;
|
|
|
5834 if (start > (long)STRLEN(str))
|
|
|
5835 goto theend;
|
|
|
5836 str += start;
|
|
|
5837 }
|
|
|
5838
|
|
|
5839 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
5840 if (regmatch.regprog != NULL)
|
|
|
5841 {
|
|
|
5842 regmatch.rm_ic = p_ic;
|
|
|
5843 if (vim_regexec_nl(®match, str, (colnr_T)0))
|
|
|
5844 {
|
|
|
5845 if (type == 2)
|
|
|
5846 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
5847 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
5848 else
|
|
|
5849 {
|
|
|
5850 if (type != 0)
|
|
|
5851 retvar->var_val.var_number =
|
|
|
5852 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
5853 else
|
|
|
5854 retvar->var_val.var_number =
|
|
|
5855 (varnumber_T)(regmatch.endp[0] - str);
|
|
|
5856 retvar->var_val.var_number += start;
|
|
|
5857 }
|
|
|
5858 }
|
|
|
5859 vim_free(regmatch.regprog);
|
|
|
5860 }
|
|
|
5861
|
|
|
5862 theend:
|
|
|
5863 p_cpo = save_cpo;
|
|
|
5864 }
|
|
|
5865
|
|
|
5866 /*
|
|
|
5867 * "mode()" function
|
|
|
5868 */
|
|
|
5869 /*ARGSUSED*/
|
|
|
5870 static void
|
|
|
5871 f_mode(argvars, retvar)
|
|
|
5872 VAR argvars;
|
|
|
5873 VAR retvar;
|
|
|
5874 {
|
|
|
5875 char_u buf[2];
|
|
|
5876
|
|
|
5877 #ifdef FEAT_VISUAL
|
|
|
5878 if (VIsual_active)
|
|
|
5879 {
|
|
|
5880 if (VIsual_select)
|
|
|
5881 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
5882 else
|
|
|
5883 buf[0] = VIsual_mode;
|
|
|
5884 }
|
|
|
5885 else
|
|
|
5886 #endif
|
|
|
5887 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
5888 buf[0] = 'r';
|
|
|
5889 else if (State & INSERT)
|
|
|
5890 {
|
|
|
5891 if (State & REPLACE_FLAG)
|
|
|
5892 buf[0] = 'R';
|
|
|
5893 else
|
|
|
5894 buf[0] = 'i';
|
|
|
5895 }
|
|
|
5896 else if (State & CMDLINE)
|
|
|
5897 buf[0] = 'c';
|
|
|
5898 else
|
|
|
5899 buf[0] = 'n';
|
|
|
5900
|
|
|
5901 buf[1] = NUL;
|
|
|
5902 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5903 retvar->var_type = VAR_STRING;
|
|
|
5904 }
|
|
|
5905
|
|
|
5906 /*
|
|
|
5907 * "nr2char()" function
|
|
|
5908 */
|
|
|
5909 static void
|
|
|
5910 f_nr2char(argvars, retvar)
|
|
|
5911 VAR argvars;
|
|
|
5912 VAR retvar;
|
|
|
5913 {
|
|
|
5914 char_u buf[NUMBUFLEN];
|
|
|
5915
|
|
|
5916 #ifdef FEAT_MBYTE
|
|
|
5917 if (has_mbyte)
|
|
|
5918 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
5919 else
|
|
|
5920 #endif
|
|
|
5921 {
|
|
|
5922 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
5923 buf[1] = NUL;
|
|
|
5924 }
|
|
|
5925 retvar->var_type = VAR_STRING;
|
|
|
5926 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5927 }
|
|
|
5928
|
|
|
5929 /*
|
|
|
5930 * "rename({from}, {to})" function
|
|
|
5931 */
|
|
|
5932 static void
|
|
|
5933 f_rename(argvars, retvar)
|
|
|
5934 VAR argvars;
|
|
|
5935 VAR retvar;
|
|
|
5936 {
|
|
|
5937 char_u buf[NUMBUFLEN];
|
|
|
5938
|
|
|
5939 if (check_restricted() || check_secure())
|
|
|
5940 retvar->var_val.var_number = -1;
|
|
|
5941 else
|
|
|
5942 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
5943 get_var_string_buf(&argvars[1], buf));
|
|
|
5944 }
|
|
|
5945
|
|
|
5946 /*
|
|
|
5947 * "resolve()" function
|
|
|
5948 */
|
|
|
5949 static void
|
|
|
5950 f_resolve(argvars, retvar)
|
|
|
5951 VAR argvars;
|
|
|
5952 VAR retvar;
|
|
|
5953 {
|
|
|
5954 char_u *p;
|
|
|
5955
|
|
|
5956 p = get_var_string(&argvars[0]);
|
|
|
5957 #ifdef FEAT_SHORTCUT
|
|
|
5958 {
|
|
|
5959 char_u *v = NULL;
|
|
|
5960
|
|
|
5961 v = mch_resolve_shortcut(p);
|
|
|
5962 if (v != NULL)
|
|
|
5963 retvar->var_val.var_string = v;
|
|
|
5964 else
|
|
|
5965 retvar->var_val.var_string = vim_strsave(p);
|
|
|
5966 }
|
|
|
5967 #else
|
|
|
5968 # ifdef HAVE_READLINK
|
|
|
5969 {
|
|
|
5970 char_u buf[MAXPATHL + 1];
|
|
|
5971 char_u *cpy;
|
|
|
5972 int len;
|
|
|
5973 char_u *remain = NULL;
|
|
|
5974 char_u *q;
|
|
|
5975 int is_relative_to_current = FALSE;
|
|
|
5976 int has_trailing_pathsep = FALSE;
|
|
|
5977 int limit = 100;
|
|
|
5978
|
|
|
5979 p = vim_strsave(p);
|
|
|
5980
|
|
|
5981 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
5982 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
5983 is_relative_to_current = TRUE;
|
|
|
5984
|
|
|
5985 len = STRLEN(p);
|
|
|
5986 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
5987 has_trailing_pathsep = TRUE;
|
|
|
5988
|
|
|
5989 q = getnextcomp(p);
|
|
|
5990 if (*q != NUL)
|
|
|
5991 {
|
|
|
5992 /* Separate the first path component in "p", and keep the
|
|
|
5993 * remainder (beginning with the path separator). */
|
|
|
5994 remain = vim_strsave(q - 1);
|
|
|
5995 q[-1] = NUL;
|
|
|
5996 }
|
|
|
5997
|
|
|
5998 for (;;)
|
|
|
5999 {
|
|
|
6000 for (;;)
|
|
|
6001 {
|
|
|
6002 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
6003 if (len <= 0)
|
|
|
6004 break;
|
|
|
6005 buf[len] = NUL;
|
|
|
6006
|
|
|
6007 if (limit-- == 0)
|
|
|
6008 {
|
|
|
6009 vim_free(p);
|
|
|
6010 vim_free(remain);
|
|
|
6011 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
6012 retvar->var_val.var_string = NULL;
|
|
|
6013 goto fail;
|
|
|
6014 }
|
|
|
6015
|
|
|
6016 /* Ensure that the result will have a trailing path separator
|
|
|
6017 * if the argument has one. */
|
|
|
6018 if (remain == NULL && has_trailing_pathsep)
|
|
|
6019 add_pathsep(buf);
|
|
|
6020
|
|
|
6021 /* Separate the first path component in the link value and
|
|
|
6022 * concatenate the remainders. */
|
|
|
6023 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
6024 if (*q != NUL)
|
|
|
6025 {
|
|
|
6026 if (remain == NULL)
|
|
|
6027 remain = vim_strsave(q - 1);
|
|
|
6028 else
|
|
|
6029 {
|
|
|
6030 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
6031 if (cpy != NULL)
|
|
|
6032 {
|
|
|
6033 STRCAT(cpy, remain);
|
|
|
6034 vim_free(remain);
|
|
|
6035 remain = cpy;
|
|
|
6036 }
|
|
|
6037 }
|
|
|
6038 q[-1] = NUL;
|
|
|
6039 }
|
|
|
6040
|
|
|
6041 q = gettail(p);
|
|
|
6042 if (q > p && *q == NUL)
|
|
|
6043 {
|
|
|
6044 /* Ignore trailing path separator. */
|
|
|
6045 q[-1] = NUL;
|
|
|
6046 q = gettail(p);
|
|
|
6047 }
|
|
|
6048 if (q > p && !mch_isFullName(buf))
|
|
|
6049 {
|
|
|
6050 /* symlink is relative to directory of argument */
|
|
|
6051 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6052 if (cpy != NULL)
|
|
|
6053 {
|
|
|
6054 STRCPY(cpy, p);
|
|
|
6055 STRCPY(gettail(cpy), buf);
|
|
|
6056 vim_free(p);
|
|
|
6057 p = cpy;
|
|
|
6058 }
|
|
|
6059 }
|
|
|
6060 else
|
|
|
6061 {
|
|
|
6062 vim_free(p);
|
|
|
6063 p = vim_strsave(buf);
|
|
|
6064 }
|
|
|
6065 }
|
|
|
6066
|
|
|
6067 if (remain == NULL)
|
|
|
6068 break;
|
|
|
6069
|
|
|
6070 /* Append the first path component of "remain" to "p". */
|
|
|
6071 q = getnextcomp(remain + 1);
|
|
|
6072 len = q - remain - (*q != NUL);
|
|
|
6073 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6074 if (cpy != NULL)
|
|
|
6075 {
|
|
|
6076 STRNCAT(cpy, remain, len);
|
|
|
6077 vim_free(p);
|
|
|
6078 p = cpy;
|
|
|
6079 }
|
|
|
6080 /* Shorten "remain". */
|
|
|
6081 if (*q != NUL)
|
|
|
6082 STRCPY(remain, q - 1);
|
|
|
6083 else
|
|
|
6084 {
|
|
|
6085 vim_free(remain);
|
|
|
6086 remain = NULL;
|
|
|
6087 }
|
|
|
6088 }
|
|
|
6089
|
|
|
6090 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6091 * the current directory if and only if the argument had this form. */
|
|
|
6092 if (!vim_ispathsep(*p))
|
|
|
6093 {
|
|
|
6094 if (is_relative_to_current
|
|
|
6095 && *p != NUL
|
|
|
6096 && !(p[0] == '.'
|
|
|
6097 && (p[1] == NUL
|
|
|
6098 || vim_ispathsep(p[1])
|
|
|
6099 || (p[1] == '.'
|
|
|
6100 && (p[2] == NUL
|
|
|
6101 || vim_ispathsep(p[2]))))))
|
|
|
6102 {
|
|
|
6103 /* Prepend "./". */
|
|
|
6104 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6105 if (cpy != NULL)
|
|
|
6106 {
|
|
|
6107 STRCAT(cpy, p);
|
|
|
6108 vim_free(p);
|
|
|
6109 p = cpy;
|
|
|
6110 }
|
|
|
6111 }
|
|
|
6112 else if (!is_relative_to_current)
|
|
|
6113 {
|
|
|
6114 /* Strip leading "./". */
|
|
|
6115 q = p;
|
|
|
6116 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6117 q += 2;
|
|
|
6118 if (q > p)
|
|
|
6119 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6120 }
|
|
|
6121 }
|
|
|
6122
|
|
|
6123 /* Ensure that the result will have no trailing path separator
|
|
|
6124 * if the argument had none. But keep "/" or "//". */
|
|
|
6125 if (!has_trailing_pathsep)
|
|
|
6126 {
|
|
|
6127 q = p + STRLEN(p);
|
|
|
6128 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6129 && vim_ispathsep(q[-1]))
|
|
|
6130 --q;
|
|
|
6131 *q = NUL;
|
|
|
6132 }
|
|
|
6133
|
|
|
6134 retvar->var_val.var_string = p;
|
|
|
6135 }
|
|
|
6136 # else
|
|
|
6137 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6138 # endif
|
|
|
6139 #endif
|
|
|
6140
|
|
|
6141 simplify_filename(retvar->var_val.var_string);
|
|
|
6142
|
|
|
6143 #ifdef HAVE_READLINK
|
|
|
6144 fail:
|
|
|
6145 #endif
|
|
|
6146 retvar->var_type = VAR_STRING;
|
|
|
6147 }
|
|
|
6148
|
|
|
6149 /*
|
|
|
6150 * "simplify()" function
|
|
|
6151 */
|
|
|
6152 static void
|
|
|
6153 f_simplify(argvars, retvar)
|
|
|
6154 VAR argvars;
|
|
|
6155 VAR retvar;
|
|
|
6156 {
|
|
|
6157 char_u *p;
|
|
|
6158
|
|
|
6159 p = get_var_string(&argvars[0]);
|
|
|
6160 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6161 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6162 retvar->var_type = VAR_STRING;
|
|
|
6163 }
|
|
|
6164
|
|
|
6165 /*
|
|
|
6166 * "search()" function
|
|
|
6167 */
|
|
|
6168 static void
|
|
|
6169 f_search(argvars, retvar)
|
|
|
6170 VAR argvars;
|
|
|
6171 VAR retvar;
|
|
|
6172 {
|
|
|
6173 char_u *pat;
|
|
|
6174 pos_T pos;
|
|
|
6175 int save_p_ws = p_ws;
|
|
|
6176 int dir;
|
|
|
6177
|
|
|
6178 pat = get_var_string(&argvars[0]);
|
|
|
6179 dir = get_search_arg(&argvars[1], NULL); /* may set p_ws */
|
|
|
6180
|
|
|
6181 pos = curwin->w_cursor;
|
|
|
6182 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6183 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6184 {
|
|
|
6185 retvar->var_val.var_number = pos.lnum;
|
|
|
6186 curwin->w_cursor = pos;
|
|
|
6187 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6188 * correct that here */
|
|
|
6189 check_cursor();
|
|
|
6190 }
|
|
|
6191 else
|
|
|
6192 retvar->var_val.var_number = 0;
|
|
|
6193 p_ws = save_p_ws;
|
|
|
6194 }
|
|
|
6195
|
|
|
6196 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6197 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6198 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6199
|
|
|
6200 /*
|
|
|
6201 * "searchpair()" function
|
|
|
6202 */
|
|
|
6203 static void
|
|
|
6204 f_searchpair(argvars, retvar)
|
|
|
6205 VAR argvars;
|
|
|
6206 VAR retvar;
|
|
|
6207 {
|
|
|
6208 char_u *spat, *mpat, *epat;
|
|
|
6209 char_u *skip;
|
|
|
6210 char_u *pat, *pat2, *pat3;
|
|
|
6211 pos_T pos;
|
|
|
6212 pos_T firstpos;
|
|
|
6213 pos_T save_cursor;
|
|
|
6214 pos_T save_pos;
|
|
|
6215 int save_p_ws = p_ws;
|
|
|
6216 char_u *save_cpo;
|
|
|
6217 int dir;
|
|
|
6218 int flags = 0;
|
|
|
6219 char_u nbuf1[NUMBUFLEN];
|
|
|
6220 char_u nbuf2[NUMBUFLEN];
|
|
|
6221 char_u nbuf3[NUMBUFLEN];
|
|
|
6222 int n;
|
|
|
6223 int r;
|
|
|
6224 int nest = 1;
|
|
|
6225 int err;
|
|
|
6226
|
|
|
6227 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6228
|
|
|
6229 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6230 save_cpo = p_cpo;
|
|
|
6231 p_cpo = (char_u *)"";
|
|
|
6232
|
|
|
6233 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6234 spat = get_var_string(&argvars[0]);
|
|
|
6235 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6236 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6237
|
|
|
6238 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6239 * start/middle/end (pat3, for the top pair). */
|
|
|
6240 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6241 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6242 if (pat2 == NULL || pat3 == NULL)
|
|
|
6243 goto theend;
|
|
|
6244 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6245 if (*mpat == NUL)
|
|
|
6246 STRCPY(pat3, pat2);
|
|
|
6247 else
|
|
|
6248 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6249 spat, epat, mpat);
|
|
|
6250
|
|
|
6251 /* Handle the optional fourth argument: flags */
|
|
|
6252 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
|
6253
|
|
|
6254 /* Optional fifth argument: skip expresion */
|
|
|
6255 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6256 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6257 skip = (char_u *)"";
|
|
|
6258 else
|
|
|
6259 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6260
|
|
|
6261 save_cursor = curwin->w_cursor;
|
|
|
6262 pos = curwin->w_cursor;
|
|
|
6263 firstpos.lnum = 0;
|
|
|
6264 pat = pat3;
|
|
|
6265 for (;;)
|
|
|
6266 {
|
|
|
6267 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6268 SEARCH_KEEP, RE_SEARCH);
|
|
|
6269 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6270 /* didn't find it or found the first match again: FAIL */
|
|
|
6271 break;
|
|
|
6272
|
|
|
6273 if (firstpos.lnum == 0)
|
|
|
6274 firstpos = pos;
|
|
|
6275
|
|
|
6276 /* If the skip pattern matches, ignore this match. */
|
|
|
6277 if (*skip != NUL)
|
|
|
6278 {
|
|
|
6279 save_pos = curwin->w_cursor;
|
|
|
6280 curwin->w_cursor = pos;
|
|
|
6281 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6282 curwin->w_cursor = save_pos;
|
|
|
6283 if (err)
|
|
|
6284 {
|
|
|
6285 /* Evaluating {skip} caused an error, break here. */
|
|
|
6286 curwin->w_cursor = save_cursor;
|
|
|
6287 retvar->var_val.var_number = -1;
|
|
|
6288 break;
|
|
|
6289 }
|
|
|
6290 if (r)
|
|
|
6291 continue;
|
|
|
6292 }
|
|
|
6293
|
|
|
6294 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6295 {
|
|
|
6296 /* Found end when searching backwards or start when searching
|
|
|
6297 * forward: nested pair. */
|
|
|
6298 ++nest;
|
|
|
6299 pat = pat2; /* nested, don't search for middle */
|
|
|
6300 }
|
|
|
6301 else
|
|
|
6302 {
|
|
|
6303 /* Found end when searching forward or start when searching
|
|
|
6304 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6305 if (--nest == 1)
|
|
|
6306 pat = pat3; /* outer level, search for middle */
|
|
|
6307 }
|
|
|
6308
|
|
|
6309 if (nest == 0)
|
|
|
6310 {
|
|
|
6311 /* Found the match: return matchcount or line number. */
|
|
|
6312 if (flags & SP_RETCOUNT)
|
|
|
6313 ++retvar->var_val.var_number;
|
|
|
6314 else
|
|
|
6315 retvar->var_val.var_number = pos.lnum;
|
|
|
6316 curwin->w_cursor = pos;
|
|
|
6317 if (!(flags & SP_REPEAT))
|
|
|
6318 break;
|
|
|
6319 nest = 1; /* search for next unmatched */
|
|
|
6320 }
|
|
|
6321 }
|
|
|
6322
|
|
|
6323 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6324 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6325 curwin->w_cursor = save_cursor;
|
|
|
6326
|
|
|
6327 theend:
|
|
|
6328 vim_free(pat2);
|
|
|
6329 vim_free(pat3);
|
|
|
6330 p_ws = save_p_ws;
|
|
|
6331 p_cpo = save_cpo;
|
|
|
6332 }
|
|
|
6333
|
|
|
6334 static int
|
|
|
6335 get_search_arg(varp, flagsp)
|
|
|
6336 VAR varp;
|
|
|
6337 int *flagsp;
|
|
|
6338 {
|
|
|
6339 int dir = FORWARD;
|
|
|
6340 char_u *flags;
|
|
|
6341 char_u nbuf[NUMBUFLEN];
|
|
|
6342
|
|
|
6343 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6344 {
|
|
|
6345 flags = get_var_string_buf(varp, nbuf);
|
|
|
6346 if (vim_strchr(flags, 'b') != NULL)
|
|
|
6347 dir = BACKWARD;
|
|
|
6348 if (vim_strchr(flags, 'w') != NULL)
|
|
|
6349 p_ws = TRUE;
|
|
|
6350 if (vim_strchr(flags, 'W') != NULL)
|
|
|
6351 p_ws = FALSE;
|
|
|
6352 if (flagsp != NULL)
|
|
|
6353 {
|
|
|
6354 if (vim_strchr(flags, 'n') != NULL)
|
|
|
6355 *flagsp |= SP_NOMOVE;
|
|
|
6356 if (vim_strchr(flags, 'r') != NULL)
|
|
|
6357 *flagsp |= SP_REPEAT;
|
|
|
6358 if (vim_strchr(flags, 'm') != NULL)
|
|
|
6359 *flagsp |= SP_RETCOUNT;
|
|
|
6360 }
|
|
|
6361 }
|
|
|
6362 return dir;
|
|
|
6363 }
|
|
|
6364
|
|
|
6365 /*
|
|
|
6366 * "setbufvar()" function
|
|
|
6367 */
|
|
|
6368 /*ARGSUSED*/
|
|
|
6369 static void
|
|
|
6370 f_setbufvar(argvars, retvar)
|
|
|
6371 VAR argvars;
|
|
|
6372 VAR retvar;
|
|
|
6373 {
|
|
|
6374 buf_T *buf;
|
|
|
6375 #ifdef FEAT_AUTOCMD
|
|
|
6376 aco_save_T aco;
|
|
|
6377 #else
|
|
|
6378 buf_T *save_curbuf;
|
|
|
6379 #endif
|
|
|
6380 char_u *varname, *bufvarname;
|
|
|
6381 VAR varp;
|
|
|
6382 char_u nbuf[NUMBUFLEN];
|
|
|
6383
|
|
|
6384 if (check_restricted() || check_secure())
|
|
|
6385 return;
|
|
|
6386 ++emsg_off;
|
|
|
6387 buf = get_buf_var(&argvars[0]);
|
|
|
6388 varname = get_var_string(&argvars[1]);
|
|
|
6389 varp = &argvars[2];
|
|
|
6390
|
|
|
6391 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6392 {
|
|
|
6393 /* set curbuf to be our buf, temporarily */
|
|
|
6394 #ifdef FEAT_AUTOCMD
|
|
|
6395 aucmd_prepbuf(&aco, buf);
|
|
|
6396 #else
|
|
|
6397 save_curbuf = curbuf;
|
|
|
6398 curbuf = buf;
|
|
|
6399 #endif
|
|
|
6400
|
|
|
6401 if (*varname == '&')
|
|
|
6402 {
|
|
|
6403 ++varname;
|
|
|
6404 set_option_value(varname, get_var_number(varp),
|
|
|
6405 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6406 }
|
|
|
6407 else
|
|
|
6408 {
|
|
|
6409 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6410 if (bufvarname != NULL)
|
|
|
6411 {
|
|
|
6412 STRCPY(bufvarname, "b:");
|
|
|
6413 STRCPY(bufvarname + 2, varname);
|
|
|
6414 set_var(bufvarname, varp);
|
|
|
6415 vim_free(bufvarname);
|
|
|
6416 }
|
|
|
6417 }
|
|
|
6418
|
|
|
6419 /* reset notion of buffer */
|
|
|
6420 #ifdef FEAT_AUTOCMD
|
|
|
6421 aucmd_restbuf(&aco);
|
|
|
6422 #else
|
|
|
6423 curbuf = save_curbuf;
|
|
|
6424 #endif
|
|
|
6425 }
|
|
|
6426 --emsg_off;
|
|
|
6427 }
|
|
|
6428
|
|
|
6429 /*
|
|
|
6430 * "setcmdpos()" function
|
|
|
6431 */
|
|
|
6432 static void
|
|
|
6433 f_setcmdpos(argvars, retvar)
|
|
|
6434 VAR argvars;
|
|
|
6435 VAR retvar;
|
|
|
6436 {
|
|
|
6437 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6438 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6439 }
|
|
|
6440
|
|
|
6441 /*
|
|
|
6442 * "setline()" function
|
|
|
6443 */
|
|
|
6444 static void
|
|
|
6445 f_setline(argvars, retvar)
|
|
|
6446 VAR argvars;
|
|
|
6447 VAR retvar;
|
|
|
6448 {
|
|
|
6449 linenr_T lnum;
|
|
|
6450 char_u *line;
|
|
|
6451
|
|
|
6452 lnum = get_var_lnum(argvars);
|
|
|
6453 line = get_var_string(&argvars[1]);
|
|
|
6454 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6455
|
|
|
6456 if (lnum >= 1
|
|
|
6457 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6458 && u_savesub(lnum) == OK
|
|
|
6459 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6460 {
|
|
|
6461 changed_bytes(lnum, 0);
|
|
|
6462 check_cursor_col();
|
|
|
6463 retvar->var_val.var_number = 0;
|
|
|
6464 }
|
|
|
6465 }
|
|
|
6466
|
|
|
6467 /*
|
|
|
6468 * "setreg()" function
|
|
|
6469 */
|
|
|
6470 static void
|
|
|
6471 f_setreg(argvars, retvar)
|
|
|
6472 VAR argvars;
|
|
|
6473 VAR retvar;
|
|
|
6474 {
|
|
|
6475 int regname;
|
|
|
6476 char_u *strregname;
|
|
|
6477 char_u *stropt;
|
|
|
6478 int append;
|
|
|
6479 char_u yank_type;
|
|
|
6480 long block_len;
|
|
|
6481
|
|
|
6482 block_len = -1;
|
|
|
6483 yank_type = MAUTO;
|
|
|
6484 append = FALSE;
|
|
|
6485
|
|
|
6486 strregname = get_var_string(argvars);
|
|
|
6487 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6488
|
|
|
6489 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6490 if (regname == 0 || regname == '@')
|
|
|
6491 regname = '"';
|
|
|
6492 else if (regname == '=')
|
|
|
6493 return;
|
|
|
6494
|
|
|
6495 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6496 {
|
|
|
6497 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6498 switch (*stropt)
|
|
|
6499 {
|
|
|
6500 case 'a': case 'A': /* append */
|
|
|
6501 append = TRUE;
|
|
|
6502 break;
|
|
|
6503 case 'v': case 'c': /* character-wise selection */
|
|
|
6504 yank_type = MCHAR;
|
|
|
6505 break;
|
|
|
6506 case 'V': case 'l': /* line-wise selection */
|
|
|
6507 yank_type = MLINE;
|
|
|
6508 break;
|
|
|
6509 #ifdef FEAT_VISUAL
|
|
|
6510 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6511 yank_type = MBLOCK;
|
|
|
6512 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6513 {
|
|
|
6514 ++stropt;
|
|
|
6515 block_len = getdigits(&stropt) - 1;
|
|
|
6516 --stropt;
|
|
|
6517 }
|
|
|
6518 break;
|
|
|
6519 #endif
|
|
|
6520 }
|
|
|
6521 }
|
|
|
6522
|
|
|
6523 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6524 append, yank_type, block_len);
|
|
|
6525 retvar->var_val.var_number = 0;
|
|
|
6526 }
|
|
|
6527
|
|
|
6528
|
|
|
6529 /*
|
|
|
6530 * "setwinvar(expr)" function
|
|
|
6531 */
|
|
|
6532 /*ARGSUSED*/
|
|
|
6533 static void
|
|
|
6534 f_setwinvar(argvars, retvar)
|
|
|
6535 VAR argvars;
|
|
|
6536 VAR retvar;
|
|
|
6537 {
|
|
|
6538 win_T *win;
|
|
|
6539 #ifdef FEAT_WINDOWS
|
|
|
6540 win_T *save_curwin;
|
|
|
6541 #endif
|
|
|
6542 char_u *varname, *winvarname;
|
|
|
6543 VAR varp;
|
|
|
6544 char_u nbuf[NUMBUFLEN];
|
|
|
6545
|
|
|
6546 if (check_restricted() || check_secure())
|
|
|
6547 return;
|
|
|
6548 ++emsg_off;
|
|
|
6549 win = find_win_by_nr(&argvars[0]);
|
|
|
6550 varname = get_var_string(&argvars[1]);
|
|
|
6551 varp = &argvars[2];
|
|
|
6552
|
|
|
6553 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6554 {
|
|
|
6555 #ifdef FEAT_WINDOWS
|
|
|
6556 /* set curwin to be our win, temporarily */
|
|
|
6557 save_curwin = curwin;
|
|
|
6558 curwin = win;
|
|
|
6559 curbuf = curwin->w_buffer;
|
|
|
6560 #endif
|
|
|
6561
|
|
|
6562 if (*varname == '&')
|
|
|
6563 {
|
|
|
6564 ++varname;
|
|
|
6565 set_option_value(varname, get_var_number(varp),
|
|
|
6566 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6567 }
|
|
|
6568 else
|
|
|
6569 {
|
|
|
6570 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6571 if (winvarname != NULL)
|
|
|
6572 {
|
|
|
6573 STRCPY(winvarname, "w:");
|
|
|
6574 STRCPY(winvarname + 2, varname);
|
|
|
6575 set_var(winvarname, varp);
|
|
|
6576 vim_free(winvarname);
|
|
|
6577 }
|
|
|
6578 }
|
|
|
6579
|
|
|
6580 #ifdef FEAT_WINDOWS
|
|
|
6581 /* Restore current window, if it's still valid (autocomands can make
|
|
|
6582 * it invalid). */
|
|
|
6583 if (win_valid(save_curwin))
|
|
|
6584 {
|
|
|
6585 curwin = save_curwin;
|
|
|
6586 curbuf = curwin->w_buffer;
|
|
|
6587 }
|
|
|
6588 #endif
|
|
|
6589 }
|
|
|
6590 --emsg_off;
|
|
|
6591 }
|
|
|
6592
|
|
|
6593 /*
|
|
|
6594 * "nextnonblank()" function
|
|
|
6595 */
|
|
|
6596 static void
|
|
|
6597 f_nextnonblank(argvars, retvar)
|
|
|
6598 VAR argvars;
|
|
|
6599 VAR retvar;
|
|
|
6600 {
|
|
|
6601 linenr_T lnum;
|
|
|
6602
|
|
|
6603 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
6604 {
|
|
|
6605 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
6606 {
|
|
|
6607 lnum = 0;
|
|
|
6608 break;
|
|
|
6609 }
|
|
|
6610 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
6611 break;
|
|
|
6612 }
|
|
|
6613 retvar->var_val.var_number = lnum;
|
|
|
6614 }
|
|
|
6615
|
|
|
6616 /*
|
|
|
6617 * "prevnonblank()" function
|
|
|
6618 */
|
|
|
6619 static void
|
|
|
6620 f_prevnonblank(argvars, retvar)
|
|
|
6621 VAR argvars;
|
|
|
6622 VAR retvar;
|
|
|
6623 {
|
|
|
6624 linenr_T lnum;
|
|
|
6625
|
|
|
6626 lnum = get_var_lnum(argvars);
|
|
|
6627 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
6628 lnum = 0;
|
|
|
6629 else
|
|
|
6630 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
6631 --lnum;
|
|
|
6632 retvar->var_val.var_number = lnum;
|
|
|
6633 }
|
|
|
6634
|
|
|
6635 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
6636 static void make_connection __ARGS((void));
|
|
|
6637 static int check_connection __ARGS((void));
|
|
|
6638
|
|
|
6639 static void
|
|
|
6640 make_connection()
|
|
|
6641 {
|
|
|
6642 if (X_DISPLAY == NULL
|
|
|
6643 # ifdef FEAT_GUI
|
|
|
6644 && !gui.in_use
|
|
|
6645 # endif
|
|
|
6646 )
|
|
|
6647 {
|
|
|
6648 x_force_connect = TRUE;
|
|
|
6649 setup_term_clip();
|
|
|
6650 x_force_connect = FALSE;
|
|
|
6651 }
|
|
|
6652 }
|
|
|
6653
|
|
|
6654 static int
|
|
|
6655 check_connection()
|
|
|
6656 {
|
|
|
6657 make_connection();
|
|
|
6658 if (X_DISPLAY == NULL)
|
|
|
6659 {
|
|
|
6660 EMSG(_("E240: No connection to Vim server"));
|
|
|
6661 return FAIL;
|
|
|
6662 }
|
|
|
6663 return OK;
|
|
|
6664 }
|
|
|
6665 #endif
|
|
|
6666
|
|
|
6667 /*ARGSUSED*/
|
|
|
6668 static void
|
|
|
6669 f_serverlist(argvars, retvar)
|
|
|
6670 VAR argvars;
|
|
|
6671 VAR retvar;
|
|
|
6672 {
|
|
|
6673 char_u *r = NULL;
|
|
|
6674
|
|
|
6675 #ifdef FEAT_CLIENTSERVER
|
|
|
6676 # ifdef WIN32
|
|
|
6677 r = serverGetVimNames();
|
|
|
6678 # else
|
|
|
6679 make_connection();
|
|
|
6680 if (X_DISPLAY != NULL)
|
|
|
6681 r = serverGetVimNames(X_DISPLAY);
|
|
|
6682 # endif
|
|
|
6683 #endif
|
|
|
6684 retvar->var_type = VAR_STRING;
|
|
|
6685 retvar->var_val.var_string = r;
|
|
|
6686 }
|
|
|
6687
|
|
|
6688 /*ARGSUSED*/
|
|
|
6689 static void
|
|
|
6690 f_remote_peek(argvars, retvar)
|
|
|
6691 VAR argvars;
|
|
|
6692 VAR retvar;
|
|
|
6693 {
|
|
|
6694 #ifdef FEAT_CLIENTSERVER
|
|
|
6695 var v;
|
|
|
6696 char_u *s = NULL;
|
|
|
6697 # ifdef WIN32
|
|
|
6698 int n = 0;
|
|
|
6699 # endif
|
|
|
6700
|
|
|
6701 if (check_restricted() || check_secure())
|
|
|
6702 {
|
|
|
6703 retvar->var_val.var_number = -1;
|
|
|
6704 return;
|
|
|
6705 }
|
|
|
6706 # ifdef WIN32
|
|
|
6707 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6708 if (n == 0)
|
|
|
6709 retvar->var_val.var_number = -1;
|
|
|
6710 else
|
|
|
6711 {
|
|
|
6712 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
6713 retvar->var_val.var_number = (s != NULL);
|
|
|
6714 }
|
|
|
6715 # else
|
|
|
6716 retvar->var_val.var_number = 0;
|
|
|
6717 if (check_connection() == FAIL)
|
|
|
6718 return;
|
|
|
6719
|
|
|
6720 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
6721 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
6722 # endif
|
|
|
6723
|
|
|
6724 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
6725 {
|
|
|
6726 v.var_type = VAR_STRING;
|
|
|
6727 v.var_val.var_string = vim_strsave(s);
|
|
|
6728 set_var(get_var_string(&argvars[1]), &v);
|
|
|
6729 }
|
|
|
6730 #else
|
|
|
6731 retvar->var_val.var_number = -1;
|
|
|
6732 #endif
|
|
|
6733 }
|
|
|
6734
|
|
|
6735 /*ARGSUSED*/
|
|
|
6736 static void
|
|
|
6737 f_remote_read(argvars, retvar)
|
|
|
6738 VAR argvars;
|
|
|
6739 VAR retvar;
|
|
|
6740 {
|
|
|
6741 char_u *r = NULL;
|
|
|
6742
|
|
|
6743 #ifdef FEAT_CLIENTSERVER
|
|
|
6744 if (!check_restricted() && !check_secure())
|
|
|
6745 {
|
|
|
6746 # ifdef WIN32
|
|
|
6747 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
6748 int n = 0;
|
|
|
6749
|
|
|
6750 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6751 if (n != 0)
|
|
|
6752 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
6753 if (r == NULL)
|
|
|
6754 # else
|
|
|
6755 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
6756 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
6757 # endif
|
|
|
6758 EMSG(_("E277: Unable to read a server reply"));
|
|
|
6759 }
|
|
|
6760 #endif
|
|
|
6761 retvar->var_type = VAR_STRING;
|
|
|
6762 retvar->var_val.var_string = r;
|
|
|
6763 }
|
|
|
6764
|
|
|
6765 /*ARGSUSED*/
|
|
|
6766 static void
|
|
|
6767 f_server2client(argvars, retvar)
|
|
|
6768 VAR argvars;
|
|
|
6769 VAR retvar;
|
|
|
6770 {
|
|
|
6771 #ifdef FEAT_CLIENTSERVER
|
|
|
6772 char_u buf[NUMBUFLEN];
|
|
|
6773 char_u *server = get_var_string(&argvars[0]);
|
|
|
6774 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
6775
|
|
|
6776 retvar->var_val.var_number = -1;
|
|
|
6777 if (check_restricted() || check_secure())
|
|
|
6778 return;
|
|
|
6779 # ifdef FEAT_X11
|
|
|
6780 if (check_connection() == FAIL)
|
|
|
6781 return;
|
|
|
6782 # endif
|
|
|
6783
|
|
|
6784 if (serverSendReply(server, reply) < 0)
|
|
|
6785 {
|
|
|
6786 EMSG(_("E258: Unable to send to client"));
|
|
|
6787 return;
|
|
|
6788 }
|
|
|
6789 retvar->var_val.var_number = 0;
|
|
|
6790 #else
|
|
|
6791 retvar->var_val.var_number = -1;
|
|
|
6792 #endif
|
|
|
6793 }
|
|
|
6794
|
|
|
6795 #ifdef FEAT_CLIENTSERVER
|
|
|
6796 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
6797
|
|
|
6798 static void
|
|
|
6799 remote_common(argvars, retvar, expr)
|
|
|
6800 VAR argvars;
|
|
|
6801 VAR retvar;
|
|
|
6802 int expr;
|
|
|
6803 {
|
|
|
6804 char_u *server_name;
|
|
|
6805 char_u *keys;
|
|
|
6806 char_u *r = NULL;
|
|
|
6807 char_u buf[NUMBUFLEN];
|
|
|
6808 # ifdef WIN32
|
|
|
6809 HWND w;
|
|
|
6810 # else
|
|
|
6811 Window w;
|
|
|
6812 # endif
|
|
|
6813
|
|
|
6814 if (check_restricted() || check_secure())
|
|
|
6815 return;
|
|
|
6816
|
|
|
6817 # ifdef FEAT_X11
|
|
|
6818 if (check_connection() == FAIL)
|
|
|
6819 return;
|
|
|
6820 # endif
|
|
|
6821
|
|
|
6822 server_name = get_var_string(&argvars[0]);
|
|
|
6823 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
6824 # ifdef WIN32
|
|
|
6825 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
6826 # else
|
|
|
6827 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
6828 < 0)
|
|
|
6829 # endif
|
|
|
6830 {
|
|
|
6831 if (r != NULL)
|
|
|
6832 EMSG(r); /* sending worked but evaluation failed */
|
|
|
6833 else
|
|
|
6834 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
6835 return;
|
|
|
6836 }
|
|
|
6837
|
|
|
6838 retvar->var_val.var_string = r;
|
|
|
6839
|
|
|
6840 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6841 {
|
|
|
6842 var v;
|
|
|
6843 char_u str[30];
|
|
|
6844
|
|
|
6845 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
6846 v.var_type = VAR_STRING;
|
|
|
6847 v.var_val.var_string = vim_strsave(str);
|
|
|
6848 set_var(get_var_string(&argvars[2]), &v);
|
|
|
6849 }
|
|
|
6850 }
|
|
|
6851 #endif
|
|
|
6852
|
|
|
6853 /*
|
|
|
6854 * "remote_expr()" function
|
|
|
6855 */
|
|
|
6856 /*ARGSUSED*/
|
|
|
6857 static void
|
|
|
6858 f_remote_expr(argvars, retvar)
|
|
|
6859 VAR argvars;
|
|
|
6860 VAR retvar;
|
|
|
6861 {
|
|
|
6862 retvar->var_type = VAR_STRING;
|
|
|
6863 retvar->var_val.var_string = NULL;
|
|
|
6864 #ifdef FEAT_CLIENTSERVER
|
|
|
6865 remote_common(argvars, retvar, TRUE);
|
|
|
6866 #endif
|
|
|
6867 }
|
|
|
6868
|
|
|
6869 /*
|
|
|
6870 * "remote_send()" function
|
|
|
6871 */
|
|
|
6872 /*ARGSUSED*/
|
|
|
6873 static void
|
|
|
6874 f_remote_send(argvars, retvar)
|
|
|
6875 VAR argvars;
|
|
|
6876 VAR retvar;
|
|
|
6877 {
|
|
|
6878 retvar->var_type = VAR_STRING;
|
|
|
6879 retvar->var_val.var_string = NULL;
|
|
|
6880 #ifdef FEAT_CLIENTSERVER
|
|
|
6881 remote_common(argvars, retvar, FALSE);
|
|
|
6882 #endif
|
|
|
6883 }
|
|
|
6884
|
|
|
6885 /*
|
|
|
6886 * "remote_foreground()" function
|
|
|
6887 */
|
|
|
6888 /*ARGSUSED*/
|
|
|
6889 static void
|
|
|
6890 f_remote_foreground(argvars, retvar)
|
|
|
6891 VAR argvars;
|
|
|
6892 VAR retvar;
|
|
|
6893 {
|
|
|
6894 retvar->var_val.var_number = 0;
|
|
|
6895 #ifdef FEAT_CLIENTSERVER
|
|
|
6896 # ifdef WIN32
|
|
|
6897 /* On Win32 it's done in this application. */
|
|
|
6898 serverForeground(get_var_string(&argvars[0]));
|
|
|
6899 # else
|
|
|
6900 /* Send a foreground() expression to the server. */
|
|
|
6901 argvars[1].var_type = VAR_STRING;
|
|
|
6902 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
6903 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
6904 remote_common(argvars, retvar, TRUE);
|
|
|
6905 vim_free(argvars[1].var_val.var_string);
|
|
|
6906 # endif
|
|
|
6907 #endif
|
|
|
6908 }
|
|
|
6909
|
|
|
6910 #ifdef HAVE_STRFTIME
|
|
|
6911 /*
|
|
|
6912 * "strftime({format}[, {time}])" function
|
|
|
6913 */
|
|
|
6914 static void
|
|
|
6915 f_strftime(argvars, retvar)
|
|
|
6916 VAR argvars;
|
|
|
6917 VAR retvar;
|
|
|
6918 {
|
|
|
6919 char_u result_buf[256];
|
|
|
6920 struct tm *curtime;
|
|
|
6921 time_t seconds;
|
|
|
6922 char_u *p;
|
|
|
6923
|
|
|
6924 retvar->var_type = VAR_STRING;
|
|
|
6925
|
|
|
6926 p = get_var_string(&argvars[0]);
|
|
|
6927 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
6928 seconds = time(NULL);
|
|
|
6929 else
|
|
|
6930 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
6931 curtime = localtime(&seconds);
|
|
|
6932 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
6933 if (curtime == NULL)
|
|
|
6934 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
6935 else
|
|
|
6936 {
|
|
|
6937 # ifdef FEAT_MBYTE
|
|
|
6938 vimconv_T conv;
|
|
|
6939 char_u *enc;
|
|
|
6940
|
|
|
6941 conv.vc_type = CONV_NONE;
|
|
|
6942 enc = enc_locale();
|
|
|
6943 convert_setup(&conv, p_enc, enc);
|
|
|
6944 if (conv.vc_type != CONV_NONE)
|
|
|
6945 p = string_convert(&conv, p, NULL);
|
|
|
6946 # endif
|
|
|
6947 if (p != NULL)
|
|
|
6948 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
6949 (char *)p, curtime);
|
|
|
6950 else
|
|
|
6951 result_buf[0] = NUL;
|
|
|
6952
|
|
|
6953 # ifdef FEAT_MBYTE
|
|
|
6954 if (conv.vc_type != CONV_NONE)
|
|
|
6955 vim_free(p);
|
|
|
6956 convert_setup(&conv, enc, p_enc);
|
|
|
6957 if (conv.vc_type != CONV_NONE)
|
|
|
6958 retvar->var_val.var_string =
|
|
|
6959 string_convert(&conv, result_buf, NULL);
|
|
|
6960 else
|
|
|
6961 # endif
|
|
|
6962 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
6963
|
|
|
6964 # ifdef FEAT_MBYTE
|
|
|
6965 /* Release conversion descriptors */
|
|
|
6966 convert_setup(&conv, NULL, NULL);
|
|
|
6967 vim_free(enc);
|
|
|
6968 # endif
|
|
|
6969 }
|
|
|
6970 }
|
|
|
6971 #endif
|
|
|
6972
|
|
|
6973 /*
|
|
|
6974 * "stridx()" function
|
|
|
6975 */
|
|
|
6976 static void
|
|
|
6977 f_stridx(argvars, retvar)
|
|
|
6978 VAR argvars;
|
|
|
6979 VAR retvar;
|
|
|
6980 {
|
|
|
6981 char_u buf[NUMBUFLEN];
|
|
|
6982 char_u *needle;
|
|
|
6983 char_u *haystack;
|
|
|
6984 char_u *pos;
|
|
|
6985
|
|
|
6986 needle = get_var_string(&argvars[1]);
|
|
|
6987 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
6988 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
6989
|
|
|
6990 if (pos == NULL)
|
|
|
6991 retvar->var_val.var_number = -1;
|
|
|
6992 else
|
|
|
6993 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
6994 }
|
|
|
6995
|
|
|
6996 /*
|
|
|
6997 * "strridx()" function
|
|
|
6998 */
|
|
|
6999 static void
|
|
|
7000 f_strridx(argvars, retvar)
|
|
|
7001 VAR argvars;
|
|
|
7002 VAR retvar;
|
|
|
7003 {
|
|
|
7004 char_u buf[NUMBUFLEN];
|
|
|
7005 char_u *needle;
|
|
|
7006 char_u *haystack;
|
|
|
7007 char_u *rest;
|
|
|
7008 char_u *lastmatch = NULL;
|
|
|
7009
|
|
|
7010 needle = get_var_string(&argvars[1]);
|
|
|
7011 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7012 rest = haystack;
|
|
|
7013 while (*haystack != '\0')
|
|
|
7014 {
|
|
|
7015 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
7016 if (rest == NULL)
|
|
|
7017 break;
|
|
|
7018 lastmatch = rest++;
|
|
|
7019 }
|
|
|
7020
|
|
|
7021 if (lastmatch == NULL)
|
|
|
7022 retvar->var_val.var_number = -1;
|
|
|
7023 else
|
|
|
7024 retvar->var_val.var_number = (varnumber_T) (lastmatch - haystack);
|
|
|
7025 }
|
|
|
7026
|
|
|
7027 /*
|
|
|
7028 * "strlen()" function
|
|
|
7029 */
|
|
|
7030 static void
|
|
|
7031 f_strlen(argvars, retvar)
|
|
|
7032 VAR argvars;
|
|
|
7033 VAR retvar;
|
|
|
7034 {
|
|
|
7035 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7036 }
|
|
|
7037
|
|
|
7038 /*
|
|
|
7039 * "strpart()" function
|
|
|
7040 */
|
|
|
7041 static void
|
|
|
7042 f_strpart(argvars, retvar)
|
|
|
7043 VAR argvars;
|
|
|
7044 VAR retvar;
|
|
|
7045 {
|
|
|
7046 char_u *p;
|
|
|
7047 int n;
|
|
|
7048 int len;
|
|
|
7049 int slen;
|
|
|
7050
|
|
|
7051 p = get_var_string(&argvars[0]);
|
|
|
7052 slen = (int)STRLEN(p);
|
|
|
7053
|
|
|
7054 n = get_var_number(&argvars[1]);
|
|
|
7055 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7056 len = get_var_number(&argvars[2]);
|
|
|
7057 else
|
|
|
7058 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7059
|
|
|
7060 /*
|
|
|
7061 * Only return the overlap between the specified part and the actual
|
|
|
7062 * string.
|
|
|
7063 */
|
|
|
7064 if (n < 0)
|
|
|
7065 {
|
|
|
7066 len += n;
|
|
|
7067 n = 0;
|
|
|
7068 }
|
|
|
7069 else if (n > slen)
|
|
|
7070 n = slen;
|
|
|
7071 if (len < 0)
|
|
|
7072 len = 0;
|
|
|
7073 else if (n + len > slen)
|
|
|
7074 len = slen - n;
|
|
|
7075
|
|
|
7076 retvar->var_type = VAR_STRING;
|
|
|
7077 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7078 }
|
|
|
7079
|
|
|
7080 /*
|
|
|
7081 * "strtrans()" function
|
|
|
7082 */
|
|
|
7083 static void
|
|
|
7084 f_strtrans(argvars, retvar)
|
|
|
7085 VAR argvars;
|
|
|
7086 VAR retvar;
|
|
|
7087 {
|
|
|
7088 retvar->var_type = VAR_STRING;
|
|
|
7089 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7090 }
|
|
|
7091
|
|
|
7092 /*
|
|
|
7093 * "synID(line, col, trans)" function
|
|
|
7094 */
|
|
|
7095 /*ARGSUSED*/
|
|
|
7096 static void
|
|
|
7097 f_synID(argvars, retvar)
|
|
|
7098 VAR argvars;
|
|
|
7099 VAR retvar;
|
|
|
7100 {
|
|
|
7101 int id = 0;
|
|
|
7102 #ifdef FEAT_SYN_HL
|
|
|
7103 long line;
|
|
|
7104 long col;
|
|
|
7105 int trans;
|
|
|
7106
|
|
|
7107 line = get_var_lnum(argvars);
|
|
|
7108 col = get_var_number(&argvars[1]) - 1;
|
|
|
7109 trans = get_var_number(&argvars[2]);
|
|
|
7110
|
|
|
7111 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7112 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7113 id = syn_get_id(line, col, trans);
|
|
|
7114 #endif
|
|
|
7115
|
|
|
7116 retvar->var_val.var_number = id;
|
|
|
7117 }
|
|
|
7118
|
|
|
7119 /*
|
|
|
7120 * "synIDattr(id, what [, mode])" function
|
|
|
7121 */
|
|
|
7122 /*ARGSUSED*/
|
|
|
7123 static void
|
|
|
7124 f_synIDattr(argvars, retvar)
|
|
|
7125 VAR argvars;
|
|
|
7126 VAR retvar;
|
|
|
7127 {
|
|
|
7128 char_u *p = NULL;
|
|
|
7129 #ifdef FEAT_SYN_HL
|
|
|
7130 int id;
|
|
|
7131 char_u *what;
|
|
|
7132 char_u *mode;
|
|
|
7133 char_u modebuf[NUMBUFLEN];
|
|
|
7134 int modec;
|
|
|
7135
|
|
|
7136 id = get_var_number(&argvars[0]);
|
|
|
7137 what = get_var_string(&argvars[1]);
|
|
|
7138 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7139 {
|
|
|
7140 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7141 modec = TOLOWER_ASC(mode[0]);
|
|
|
7142 if (modec != 't' && modec != 'c'
|
|
|
7143 #ifdef FEAT_GUI
|
|
|
7144 && modec != 'g'
|
|
|
7145 #endif
|
|
|
7146 )
|
|
|
7147 modec = 0; /* replace invalid with current */
|
|
|
7148 }
|
|
|
7149 else
|
|
|
7150 {
|
|
|
7151 #ifdef FEAT_GUI
|
|
|
7152 if (gui.in_use)
|
|
|
7153 modec = 'g';
|
|
|
7154 else
|
|
|
7155 #endif
|
|
|
7156 if (t_colors > 1)
|
|
|
7157 modec = 'c';
|
|
|
7158 else
|
|
|
7159 modec = 't';
|
|
|
7160 }
|
|
|
7161
|
|
|
7162
|
|
|
7163 switch (TOLOWER_ASC(what[0]))
|
|
|
7164 {
|
|
|
7165 case 'b':
|
|
|
7166 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7167 p = highlight_color(id, what, modec);
|
|
|
7168 else /* bold */
|
|
|
7169 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7170 break;
|
|
|
7171
|
|
|
7172 case 'f': /* fg[#] */
|
|
|
7173 p = highlight_color(id, what, modec);
|
|
|
7174 break;
|
|
|
7175
|
|
|
7176 case 'i':
|
|
|
7177 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7178 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7179 else /* italic */
|
|
|
7180 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7181 break;
|
|
|
7182
|
|
|
7183 case 'n': /* name */
|
|
|
7184 p = get_highlight_name(NULL, id - 1);
|
|
|
7185 break;
|
|
|
7186
|
|
|
7187 case 'r': /* reverse */
|
|
|
7188 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7189 break;
|
|
|
7190
|
|
|
7191 case 's': /* standout */
|
|
|
7192 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7193 break;
|
|
|
7194
|
|
|
7195 case 'u': /* underline */
|
|
|
7196 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7197 break;
|
|
|
7198 }
|
|
|
7199
|
|
|
7200 if (p != NULL)
|
|
|
7201 p = vim_strsave(p);
|
|
|
7202 #endif
|
|
|
7203 retvar->var_type = VAR_STRING;
|
|
|
7204 retvar->var_val.var_string = p;
|
|
|
7205 }
|
|
|
7206
|
|
|
7207 /*
|
|
|
7208 * "synIDtrans(id)" function
|
|
|
7209 */
|
|
|
7210 /*ARGSUSED*/
|
|
|
7211 static void
|
|
|
7212 f_synIDtrans(argvars, retvar)
|
|
|
7213 VAR argvars;
|
|
|
7214 VAR retvar;
|
|
|
7215 {
|
|
|
7216 int id;
|
|
|
7217
|
|
|
7218 #ifdef FEAT_SYN_HL
|
|
|
7219 id = get_var_number(&argvars[0]);
|
|
|
7220
|
|
|
7221 if (id > 0)
|
|
|
7222 id = syn_get_final_id(id);
|
|
|
7223 else
|
|
|
7224 #endif
|
|
|
7225 id = 0;
|
|
|
7226
|
|
|
7227 retvar->var_val.var_number = id;
|
|
|
7228 }
|
|
|
7229
|
|
|
7230 /*
|
|
|
7231 * "system()" function
|
|
|
7232 */
|
|
|
7233 static void
|
|
|
7234 f_system(argvars, retvar)
|
|
|
7235 VAR argvars;
|
|
|
7236 VAR retvar;
|
|
|
7237 {
|
|
|
7238 char_u *p;
|
|
|
7239
|
|
|
7240 p = get_cmd_output(get_var_string(&argvars[0]), SHELL_SILENT);
|
|
|
7241 #ifdef USE_CR
|
|
|
7242 /* translate <CR> into <NL> */
|
|
|
7243 if (p != NULL)
|
|
|
7244 {
|
|
|
7245 char_u *s;
|
|
|
7246
|
|
|
7247 for (s = p; *s; ++s)
|
|
|
7248 {
|
|
|
7249 if (*s == CAR)
|
|
|
7250 *s = NL;
|
|
|
7251 }
|
|
|
7252 }
|
|
|
7253 #else
|
|
|
7254 # ifdef USE_CRNL
|
|
|
7255 /* translate <CR><NL> into <NL> */
|
|
|
7256 if (p != NULL)
|
|
|
7257 {
|
|
|
7258 char_u *s, *d;
|
|
|
7259
|
|
|
7260 d = p;
|
|
|
7261 for (s = p; *s; ++s)
|
|
|
7262 {
|
|
|
7263 if (s[0] == CAR && s[1] == NL)
|
|
|
7264 ++s;
|
|
|
7265 *d++ = *s;
|
|
|
7266 }
|
|
|
7267 *d = NUL;
|
|
|
7268 }
|
|
|
7269 # endif
|
|
|
7270 #endif
|
|
|
7271 retvar->var_type = VAR_STRING;
|
|
|
7272 retvar->var_val.var_string = p;
|
|
|
7273 }
|
|
|
7274
|
|
|
7275 /*
|
|
|
7276 * "submatch()" function
|
|
|
7277 */
|
|
|
7278 static void
|
|
|
7279 f_submatch(argvars, retvar)
|
|
|
7280 VAR argvars;
|
|
|
7281 VAR retvar;
|
|
|
7282 {
|
|
|
7283 retvar->var_type = VAR_STRING;
|
|
|
7284 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7285 }
|
|
|
7286
|
|
|
7287 /*
|
|
|
7288 * "substitute()" function
|
|
|
7289 */
|
|
|
7290 static void
|
|
|
7291 f_substitute(argvars, retvar)
|
|
|
7292 VAR argvars;
|
|
|
7293 VAR retvar;
|
|
|
7294 {
|
|
|
7295 char_u patbuf[NUMBUFLEN];
|
|
|
7296 char_u subbuf[NUMBUFLEN];
|
|
|
7297 char_u flagsbuf[NUMBUFLEN];
|
|
|
7298
|
|
|
7299 retvar->var_type = VAR_STRING;
|
|
|
7300 retvar->var_val.var_string = do_string_sub(
|
|
|
7301 get_var_string(&argvars[0]),
|
|
|
7302 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7303 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7304 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7305 }
|
|
|
7306
|
|
|
7307 /*
|
|
|
7308 * "tempname()" function
|
|
|
7309 */
|
|
|
7310 /*ARGSUSED*/
|
|
|
7311 static void
|
|
|
7312 f_tempname(argvars, retvar)
|
|
|
7313 VAR argvars;
|
|
|
7314 VAR retvar;
|
|
|
7315 {
|
|
|
7316 static int x = 'A';
|
|
|
7317
|
|
|
7318 retvar->var_type = VAR_STRING;
|
|
|
7319 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7320
|
|
|
7321 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7322 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7323 do
|
|
|
7324 {
|
|
|
7325 if (x == 'Z')
|
|
|
7326 x = '0';
|
|
|
7327 else if (x == '9')
|
|
|
7328 x = 'A';
|
|
|
7329 else
|
|
|
7330 {
|
|
|
7331 #ifdef EBCDIC
|
|
|
7332 if (x == 'I')
|
|
|
7333 x = 'J';
|
|
|
7334 else if (x == 'R')
|
|
|
7335 x = 'S';
|
|
|
7336 else
|
|
|
7337 #endif
|
|
|
7338 ++x;
|
|
|
7339 }
|
|
|
7340 } while (x == 'I' || x == 'O');
|
|
|
7341 }
|
|
|
7342
|
|
|
7343 /*
|
|
|
7344 * "tolower(string)" function
|
|
|
7345 */
|
|
|
7346 static void
|
|
|
7347 f_tolower(argvars, retvar)
|
|
|
7348 VAR argvars;
|
|
|
7349 VAR retvar;
|
|
|
7350 {
|
|
|
7351 char_u *p;
|
|
|
7352
|
|
|
7353 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7354 retvar->var_type = VAR_STRING;
|
|
|
7355 retvar->var_val.var_string = p;
|
|
|
7356
|
|
|
7357 if (p != NULL)
|
|
|
7358 while (*p != NUL)
|
|
|
7359 {
|
|
|
7360 #ifdef FEAT_MBYTE
|
|
|
7361 int l;
|
|
|
7362
|
|
|
7363 if (enc_utf8)
|
|
|
7364 {
|
|
|
7365 int c, lc;
|
|
|
7366
|
|
|
7367 c = utf_ptr2char(p);
|
|
|
7368 lc = utf_tolower(c);
|
|
|
7369 l = utf_ptr2len_check(p);
|
|
|
7370 /* TODO: reallocate string when byte count changes. */
|
|
|
7371 if (utf_char2len(lc) == l)
|
|
|
7372 utf_char2bytes(lc, p);
|
|
|
7373 p += l;
|
|
|
7374 }
|
|
|
7375 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7376 p += l; /* skip multi-byte character */
|
|
|
7377 else
|
|
|
7378 #endif
|
|
|
7379 {
|
|
|
7380 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7381 ++p;
|
|
|
7382 }
|
|
|
7383 }
|
|
|
7384 }
|
|
|
7385
|
|
|
7386 /*
|
|
|
7387 * "toupper(string)" function
|
|
|
7388 */
|
|
|
7389 static void
|
|
|
7390 f_toupper(argvars, retvar)
|
|
|
7391 VAR argvars;
|
|
|
7392 VAR retvar;
|
|
|
7393 {
|
|
|
7394 char_u *p;
|
|
|
7395
|
|
|
7396 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7397 retvar->var_type = VAR_STRING;
|
|
|
7398 retvar->var_val.var_string = p;
|
|
|
7399
|
|
|
7400 if (p != NULL)
|
|
|
7401 while (*p != NUL)
|
|
|
7402 {
|
|
|
7403 #ifdef FEAT_MBYTE
|
|
|
7404 int l;
|
|
|
7405
|
|
|
7406 if (enc_utf8)
|
|
|
7407 {
|
|
|
7408 int c, uc;
|
|
|
7409
|
|
|
7410 c = utf_ptr2char(p);
|
|
|
7411 uc = utf_toupper(c);
|
|
|
7412 l = utf_ptr2len_check(p);
|
|
|
7413 /* TODO: reallocate string when byte count changes. */
|
|
|
7414 if (utf_char2len(uc) == l)
|
|
|
7415 utf_char2bytes(uc, p);
|
|
|
7416 p += l;
|
|
|
7417 }
|
|
|
7418 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7419 p += l; /* skip multi-byte character */
|
|
|
7420 else
|
|
|
7421 #endif
|
|
|
7422 {
|
|
|
7423 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7424 p++;
|
|
|
7425 }
|
|
|
7426 }
|
|
|
7427 }
|
|
|
7428
|
|
|
7429 /*
|
|
|
7430 * "type(expr)" function
|
|
|
7431 */
|
|
|
7432 static void
|
|
|
7433 f_type(argvars, retvar)
|
|
|
7434 VAR argvars;
|
|
|
7435 VAR retvar;
|
|
|
7436 {
|
|
|
7437 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
7438 retvar->var_val.var_number = 0;
|
|
|
7439 else
|
|
|
7440 retvar->var_val.var_number = 1;
|
|
|
7441 }
|
|
|
7442
|
|
|
7443 /*
|
|
|
7444 * "virtcol(string)" function
|
|
|
7445 */
|
|
|
7446 static void
|
|
|
7447 f_virtcol(argvars, retvar)
|
|
|
7448 VAR argvars;
|
|
|
7449 VAR retvar;
|
|
|
7450 {
|
|
|
7451 colnr_T vcol = 0;
|
|
|
7452 pos_T *fp;
|
|
|
7453
|
|
|
7454 fp = var2fpos(&argvars[0], FALSE);
|
|
|
7455 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
7456 {
|
|
|
7457 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
7458 ++vcol;
|
|
|
7459 }
|
|
|
7460
|
|
|
7461 retvar->var_val.var_number = vcol;
|
|
|
7462 }
|
|
|
7463
|
|
|
7464 /*
|
|
|
7465 * "visualmode()" function
|
|
|
7466 */
|
|
|
7467 /*ARGSUSED*/
|
|
|
7468 static void
|
|
|
7469 f_visualmode(argvars, retvar)
|
|
|
7470 VAR argvars;
|
|
|
7471 VAR retvar;
|
|
|
7472 {
|
|
|
7473 #ifdef FEAT_VISUAL
|
|
|
7474 char_u str[2];
|
|
|
7475
|
|
|
7476 retvar->var_type = VAR_STRING;
|
|
|
7477 str[0] = curbuf->b_visual_mode_eval;
|
|
|
7478 str[1] = NUL;
|
|
|
7479 retvar->var_val.var_string = vim_strsave(str);
|
|
|
7480
|
|
|
7481 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
7482 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
7483 && argvars[0].var_val.var_number != 0)
|
|
|
7484 || (argvars[0].var_type == VAR_STRING
|
|
|
7485 && *get_var_string(&argvars[0]) != NUL))
|
|
|
7486 curbuf->b_visual_mode_eval = NUL;
|
|
|
7487 #else
|
|
|
7488 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
7489 #endif
|
|
|
7490 }
|
|
|
7491
|
|
|
7492 /*
|
|
|
7493 * "winbufnr(nr)" function
|
|
|
7494 */
|
|
|
7495 static void
|
|
|
7496 f_winbufnr(argvars, retvar)
|
|
|
7497 VAR argvars;
|
|
|
7498 VAR retvar;
|
|
|
7499 {
|
|
|
7500 win_T *wp;
|
|
|
7501
|
|
|
7502 wp = find_win_by_nr(&argvars[0]);
|
|
|
7503 if (wp == NULL)
|
|
|
7504 retvar->var_val.var_number = -1;
|
|
|
7505 else
|
|
|
7506 retvar->var_val.var_number = wp->w_buffer->b_fnum;
|
|
|
7507 }
|
|
|
7508
|
|
|
7509 /*
|
|
|
7510 * "wincol()" function
|
|
|
7511 */
|
|
|
7512 /*ARGSUSED*/
|
|
|
7513 static void
|
|
|
7514 f_wincol(argvars, retvar)
|
|
|
7515 VAR argvars;
|
|
|
7516 VAR retvar;
|
|
|
7517 {
|
|
|
7518 validate_cursor();
|
|
|
7519 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
7520 }
|
|
|
7521
|
|
|
7522 /*
|
|
|
7523 * "winheight(nr)" function
|
|
|
7524 */
|
|
|
7525 static void
|
|
|
7526 f_winheight(argvars, retvar)
|
|
|
7527 VAR argvars;
|
|
|
7528 VAR retvar;
|
|
|
7529 {
|
|
|
7530 win_T *wp;
|
|
|
7531
|
|
|
7532 wp = find_win_by_nr(&argvars[0]);
|
|
|
7533 if (wp == NULL)
|
|
|
7534 retvar->var_val.var_number = -1;
|
|
|
7535 else
|
|
|
7536 retvar->var_val.var_number = wp->w_height;
|
|
|
7537 }
|
|
|
7538
|
|
|
7539 /*
|
|
|
7540 * "winline()" function
|
|
|
7541 */
|
|
|
7542 /*ARGSUSED*/
|
|
|
7543 static void
|
|
|
7544 f_winline(argvars, retvar)
|
|
|
7545 VAR argvars;
|
|
|
7546 VAR retvar;
|
|
|
7547 {
|
|
|
7548 validate_cursor();
|
|
|
7549 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
7550 }
|
|
|
7551
|
|
|
7552 /*
|
|
|
7553 * "winnr()" function
|
|
|
7554 */
|
|
|
7555 /* ARGSUSED */
|
|
|
7556 static void
|
|
|
7557 f_winnr(argvars, retvar)
|
|
|
7558 VAR argvars;
|
|
|
7559 VAR retvar;
|
|
|
7560 {
|
|
|
7561 int nr = 1;
|
|
|
7562 #ifdef FEAT_WINDOWS
|
|
|
7563 win_T *wp;
|
|
|
7564
|
|
|
7565 for (wp = firstwin; wp != curwin; wp = wp->w_next)
|
|
|
7566 ++nr;
|
|
|
7567 #endif
|
|
|
7568 retvar->var_val.var_number = nr;
|
|
|
7569 }
|
|
|
7570
|
|
|
7571 /*
|
|
|
7572 * "winrestcmd()" function
|
|
|
7573 */
|
|
|
7574 /* ARGSUSED */
|
|
|
7575 static void
|
|
|
7576 f_winrestcmd(argvars, retvar)
|
|
|
7577 VAR argvars;
|
|
|
7578 VAR retvar;
|
|
|
7579 {
|
|
|
7580 #ifdef FEAT_WINDOWS
|
|
|
7581 win_T *wp;
|
|
|
7582 int winnr = 1;
|
|
|
7583 garray_T ga;
|
|
|
7584 char_u buf[50];
|
|
|
7585
|
|
|
7586 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
7587 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7588 {
|
|
|
7589 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
7590 ga_concat(&ga, buf);
|
|
|
7591 # ifdef FEAT_VERTSPLIT
|
|
|
7592 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
7593 ga_concat(&ga, buf);
|
|
|
7594 # endif
|
|
|
7595 ++winnr;
|
|
|
7596 }
|
|
|
7597
|
|
|
7598 retvar->var_val.var_string = ga.ga_data;
|
|
|
7599 #else
|
|
|
7600 retvar->var_val.var_string = NULL;
|
|
|
7601 #endif
|
|
|
7602 retvar->var_type = VAR_STRING;
|
|
|
7603 }
|
|
|
7604
|
|
|
7605 /*
|
|
|
7606 * "winwidth(nr)" function
|
|
|
7607 */
|
|
|
7608 static void
|
|
|
7609 f_winwidth(argvars, retvar)
|
|
|
7610 VAR argvars;
|
|
|
7611 VAR retvar;
|
|
|
7612 {
|
|
|
7613 win_T *wp;
|
|
|
7614
|
|
|
7615 wp = find_win_by_nr(&argvars[0]);
|
|
|
7616 if (wp == NULL)
|
|
|
7617 retvar->var_val.var_number = -1;
|
|
|
7618 else
|
|
|
7619 #ifdef FEAT_VERTSPLIT
|
|
|
7620 retvar->var_val.var_number = wp->w_width;
|
|
|
7621 #else
|
|
|
7622 retvar->var_val.var_number = Columns;
|
|
|
7623 #endif
|
|
|
7624 }
|
|
|
7625
|
|
|
7626 static win_T *
|
|
|
7627 find_win_by_nr(vp)
|
|
|
7628 VAR vp;
|
|
|
7629 {
|
|
|
7630 #ifdef FEAT_WINDOWS
|
|
|
7631 win_T *wp;
|
|
|
7632 #endif
|
|
|
7633 int nr;
|
|
|
7634
|
|
|
7635 nr = get_var_number(vp);
|
|
|
7636
|
|
|
7637 #ifdef FEAT_WINDOWS
|
|
|
7638 if (nr == 0)
|
|
|
7639 return curwin;
|
|
|
7640
|
|
|
7641 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7642 if (--nr <= 0)
|
|
|
7643 break;
|
|
|
7644 return wp;
|
|
|
7645 #else
|
|
|
7646 if (nr == 0 || nr == 1)
|
|
|
7647 return curwin;
|
|
|
7648 return NULL;
|
|
|
7649 #endif
|
|
|
7650 }
|
|
|
7651
|
|
|
7652 /*
|
|
|
7653 * Translate a String variable into a position.
|
|
|
7654 */
|
|
|
7655 static pos_T *
|
|
|
7656 var2fpos(varp, lnum)
|
|
|
7657 VAR varp;
|
|
|
7658 int lnum; /* TRUE when $ is last line */
|
|
|
7659 {
|
|
|
7660 char_u *name;
|
|
|
7661 static pos_T pos;
|
|
|
7662 pos_T *pp;
|
|
|
7663
|
|
|
7664 name = get_var_string(varp);
|
|
|
7665 if (name[0] == '.') /* cursor */
|
|
|
7666 return &curwin->w_cursor;
|
|
|
7667 if (name[0] == '\'') /* mark */
|
|
|
7668 {
|
|
|
7669 pp = getmark(name[1], FALSE);
|
|
|
7670 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
7671 return NULL;
|
|
|
7672 return pp;
|
|
|
7673 }
|
|
|
7674 if (name[0] == '$') /* last column or line */
|
|
|
7675 {
|
|
|
7676 if (lnum)
|
|
|
7677 {
|
|
|
7678 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
7679 pos.col = 0;
|
|
|
7680 }
|
|
|
7681 else
|
|
|
7682 {
|
|
|
7683 pos.lnum = curwin->w_cursor.lnum;
|
|
|
7684 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
7685 }
|
|
|
7686 return &pos;
|
|
|
7687 }
|
|
|
7688 return NULL;
|
|
|
7689 }
|
|
|
7690
|
|
|
7691 /*
|
|
|
7692 * Get the length of an environment variable name.
|
|
|
7693 * Advance "arg" to the first character after the name.
|
|
|
7694 * Return 0 for error.
|
|
|
7695 */
|
|
|
7696 static int
|
|
|
7697 get_env_len(arg)
|
|
|
7698 char_u **arg;
|
|
|
7699 {
|
|
|
7700 char_u *p;
|
|
|
7701 int len;
|
|
|
7702
|
|
|
7703 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
7704 ;
|
|
|
7705 if (p == *arg) /* no name found */
|
|
|
7706 return 0;
|
|
|
7707
|
|
|
7708 len = (int)(p - *arg);
|
|
|
7709 *arg = p;
|
|
|
7710 return len;
|
|
|
7711 }
|
|
|
7712
|
|
|
7713 /*
|
|
|
7714 * Get the length of the name of a function or internal variable.
|
|
|
7715 * "arg" is advanced to the first non-white character after the name.
|
|
|
7716 * Return 0 if something is wrong.
|
|
|
7717 */
|
|
|
7718 static int
|
|
|
7719 get_id_len(arg)
|
|
|
7720 char_u **arg;
|
|
|
7721 {
|
|
|
7722 char_u *p;
|
|
|
7723 int len;
|
|
|
7724
|
|
|
7725 /* Find the end of the name. */
|
|
|
7726 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
7727 ;
|
|
|
7728 if (p == *arg) /* no name found */
|
|
|
7729 return 0;
|
|
|
7730
|
|
|
7731 len = (int)(p - *arg);
|
|
|
7732 *arg = skipwhite(p);
|
|
|
7733
|
|
|
7734 return len;
|
|
|
7735 }
|
|
|
7736
|
|
|
7737 /*
|
|
|
7738 * Get the length of the name of a function.
|
|
|
7739 * "arg" is advanced to the first non-white character after the name.
|
|
|
7740 * Return 0 if something is wrong.
|
|
|
7741 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
7742 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
7743 */
|
|
|
7744 static int
|
|
|
7745 get_func_len(arg, alias, evaluate)
|
|
|
7746 char_u **arg;
|
|
|
7747 char_u **alias;
|
|
|
7748 int evaluate;
|
|
|
7749 {
|
|
|
7750 int len;
|
|
|
7751 #ifdef FEAT_MAGIC_BRACES
|
|
|
7752 char_u *p;
|
|
|
7753 char_u *expr_start;
|
|
|
7754 char_u *expr_end;
|
|
|
7755 #endif
|
|
|
7756
|
|
|
7757 *alias = NULL; /* default to no alias */
|
|
|
7758
|
|
|
7759 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
7760 && (*arg)[2] == (int)KE_SNR)
|
|
|
7761 {
|
|
|
7762 /* hard coded <SNR>, already translated */
|
|
|
7763 *arg += 3;
|
|
|
7764 return get_id_len(arg) + 3;
|
|
|
7765 }
|
|
|
7766 len = eval_fname_script(*arg);
|
|
|
7767 if (len > 0)
|
|
|
7768 {
|
|
|
7769 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
7770 *arg += len;
|
|
|
7771 }
|
|
|
7772
|
|
|
7773 #ifdef FEAT_MAGIC_BRACES
|
|
|
7774 /*
|
|
|
7775 * Find the end of the name;
|
|
|
7776 */
|
|
|
7777 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
7778 /* check for {} construction */
|
|
|
7779 if (expr_start != NULL)
|
|
|
7780 {
|
|
|
7781 char_u *temp_string;
|
|
|
7782
|
|
|
7783 if (!evaluate)
|
|
|
7784 {
|
|
|
7785 len += (int)(p - *arg);
|
|
|
7786 *arg = skipwhite(p);
|
|
|
7787 return len;
|
|
|
7788 }
|
|
|
7789
|
|
|
7790 /*
|
|
|
7791 * Include any <SID> etc in the expanded string:
|
|
|
7792 * Thus the -len here.
|
|
|
7793 */
|
|
|
7794 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
7795 if (temp_string == NULL)
|
|
|
7796 return 0;
|
|
|
7797 *alias = temp_string;
|
|
|
7798 *arg = skipwhite(p);
|
|
|
7799 return (int)STRLEN(temp_string);
|
|
|
7800 }
|
|
|
7801 #endif
|
|
|
7802
|
|
|
7803 len += get_id_len(arg);
|
|
|
7804 if (len == 0)
|
|
|
7805 EMSG2(_(e_invexpr2), *arg);
|
|
|
7806
|
|
|
7807 return len;
|
|
|
7808 }
|
|
|
7809
|
|
|
7810 static char_u *
|
|
|
7811 find_name_end(arg, expr_start, expr_end)
|
|
|
7812 char_u *arg;
|
|
|
7813 char_u **expr_start;
|
|
|
7814 char_u **expr_end;
|
|
|
7815 {
|
|
|
7816 int nesting = 0;
|
|
|
7817 char_u *p;
|
|
|
7818
|
|
|
7819 *expr_start = NULL;
|
|
|
7820 *expr_end = NULL;
|
|
|
7821
|
|
|
7822 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
7823 {
|
|
|
7824 #ifdef FEAT_MAGIC_BRACES
|
|
|
7825 if (*p == '{')
|
|
|
7826 {
|
|
|
7827 nesting++;
|
|
|
7828 if (*expr_start == NULL)
|
|
|
7829 *expr_start = p;
|
|
|
7830 }
|
|
|
7831 else if (*p == '}')
|
|
|
7832 {
|
|
|
7833 nesting--;
|
|
|
7834 if (nesting == 0 && *expr_end == NULL)
|
|
|
7835 *expr_end = p;
|
|
|
7836 }
|
|
|
7837 #endif
|
|
|
7838 }
|
|
|
7839
|
|
|
7840 return p;
|
|
|
7841 }
|
|
|
7842
|
|
|
7843 /*
|
|
|
7844 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
7845 */
|
|
|
7846 static int
|
|
|
7847 eval_isnamec(c)
|
|
|
7848 int c;
|
|
|
7849 {
|
|
|
7850 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
7851 #ifdef FEAT_MAGIC_BRACES
|
|
|
7852 || c == '{' || c == '}'
|
|
|
7853 #endif
|
|
|
7854 );
|
|
|
7855 }
|
|
|
7856
|
|
|
7857 /*
|
|
|
7858 * Find a v: variable.
|
|
|
7859 * Return it's index, or -1 if not found.
|
|
|
7860 */
|
|
|
7861 static int
|
|
|
7862 find_vim_var(name, len)
|
|
|
7863 char_u *name;
|
|
|
7864 int len; /* length of "name" */
|
|
|
7865 {
|
|
|
7866 char_u *vname;
|
|
|
7867 int vlen;
|
|
|
7868 int i;
|
|
|
7869
|
|
|
7870 /*
|
|
|
7871 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
7872 */
|
|
|
7873 if (name[0] == 'v' && name[1] == ':')
|
|
|
7874 {
|
|
|
7875 vname = name + 2;
|
|
|
7876 vlen = len - 2;
|
|
|
7877 }
|
|
|
7878 else
|
|
|
7879 {
|
|
|
7880 vname = name;
|
|
|
7881 vlen = len;
|
|
|
7882 }
|
|
|
7883 for (i = 0; i < VV_LEN; ++i)
|
|
|
7884 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
7885 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
7886 return i;
|
|
|
7887 return -1;
|
|
|
7888 }
|
|
|
7889
|
|
|
7890 /*
|
|
|
7891 * Set number v: variable to "val".
|
|
|
7892 */
|
|
|
7893 void
|
|
|
7894 set_vim_var_nr(idx, val)
|
|
|
7895 int idx;
|
|
|
7896 long val;
|
|
|
7897 {
|
|
|
7898 vimvars[idx].val = (char_u *)val;
|
|
|
7899 }
|
|
|
7900
|
|
|
7901 /*
|
|
|
7902 * Get number v: variable value;
|
|
|
7903 */
|
|
|
7904 long
|
|
|
7905 get_vim_var_nr(idx)
|
|
|
7906 int idx;
|
|
|
7907 {
|
|
|
7908 return (long)vimvars[idx].val;
|
|
|
7909 }
|
|
|
7910
|
|
|
7911 /*
|
|
|
7912 * Set v:count, v:count1 and v:prevcount.
|
|
|
7913 */
|
|
|
7914 void
|
|
|
7915 set_vcount(count, count1)
|
|
|
7916 long count;
|
|
|
7917 long count1;
|
|
|
7918 {
|
|
|
7919 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
7920 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
7921 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
7922 }
|
|
|
7923
|
|
|
7924 /*
|
|
|
7925 * Set string v: variable to a copy of "val".
|
|
|
7926 */
|
|
|
7927 void
|
|
|
7928 set_vim_var_string(idx, val, len)
|
|
|
7929 int idx;
|
|
|
7930 char_u *val;
|
|
|
7931 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
7932 {
|
|
|
7933 vim_free(vimvars[idx].val);
|
|
|
7934 if (val == NULL)
|
|
|
7935 vimvars[idx].val = NULL;
|
|
|
7936 else if (len == -1)
|
|
|
7937 vimvars[idx].val = vim_strsave(val);
|
|
|
7938 else
|
|
|
7939 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
7940 }
|
|
|
7941
|
|
|
7942 /*
|
|
|
7943 * Set v:register if needed.
|
|
|
7944 */
|
|
|
7945 void
|
|
|
7946 set_reg_var(c)
|
|
|
7947 int c;
|
|
|
7948 {
|
|
|
7949 char_u regname;
|
|
|
7950
|
|
|
7951 if (c == 0 || c == ' ')
|
|
|
7952 regname = '"';
|
|
|
7953 else
|
|
|
7954 regname = c;
|
|
|
7955 /* Avoid free/alloc when the value is already right. */
|
|
|
7956 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
7957 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
7958 }
|
|
|
7959
|
|
|
7960 /*
|
|
|
7961 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
7962 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7963 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
7964 * take care of memory allocations.
|
|
|
7965 */
|
|
|
7966 char_u *
|
|
|
7967 v_exception(oldval)
|
|
|
7968 char_u *oldval;
|
|
|
7969 {
|
|
|
7970 if (oldval == NULL)
|
|
|
7971 return vimvars[VV_EXCEPTION].val;
|
|
|
7972
|
|
|
7973 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
7974 return NULL;
|
|
|
7975 }
|
|
|
7976
|
|
|
7977 /*
|
|
|
7978 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
7979 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7980 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
7981 * take care of memory allocations.
|
|
|
7982 */
|
|
|
7983 char_u *
|
|
|
7984 v_throwpoint(oldval)
|
|
|
7985 char_u *oldval;
|
|
|
7986 {
|
|
|
7987 if (oldval == NULL)
|
|
|
7988 return vimvars[VV_THROWPOINT].val;
|
|
|
7989
|
|
|
7990 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
7991 return NULL;
|
|
|
7992 }
|
|
|
7993
|
|
|
7994 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
7995 /*
|
|
|
7996 * Set v:cmdarg.
|
|
|
7997 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
7998 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
7999 * Must always be called in pairs!
|
|
|
8000 */
|
|
|
8001 char_u *
|
|
|
8002 set_cmdarg(eap, oldarg)
|
|
|
8003 exarg_T *eap;
|
|
|
8004 char_u *oldarg;
|
|
|
8005 {
|
|
|
8006 char_u *oldval;
|
|
|
8007 char_u *newval;
|
|
|
8008 unsigned len;
|
|
|
8009
|
|
|
8010 oldval = vimvars[VV_CMDARG].val;
|
|
|
8011 if (eap != NULL)
|
|
|
8012 {
|
|
|
8013 if (eap->force_bin == FORCE_BIN)
|
|
|
8014 len = 6;
|
|
|
8015 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8016 len = 8;
|
|
|
8017 else
|
|
|
8018 len = 0;
|
|
|
8019 if (eap->force_ff != 0)
|
|
|
8020 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
|
8021 # ifdef FEAT_MBYTE
|
|
|
8022 if (eap->force_enc != 0)
|
|
|
8023 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
|
8024 # endif
|
|
|
8025
|
|
|
8026 newval = alloc(len + 1);
|
|
|
8027 if (newval == NULL)
|
|
|
8028 return NULL;
|
|
|
8029
|
|
|
8030 if (eap->force_bin == FORCE_BIN)
|
|
|
8031 sprintf((char *)newval, " ++bin");
|
|
|
8032 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8033 sprintf((char *)newval, " ++nobin");
|
|
|
8034 else
|
|
|
8035 *newval = NUL;
|
|
|
8036 if (eap->force_ff != 0)
|
|
|
8037 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8038 eap->cmd + eap->force_ff);
|
|
|
8039 # ifdef FEAT_MBYTE
|
|
|
8040 if (eap->force_enc != 0)
|
|
|
8041 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8042 eap->cmd + eap->force_enc);
|
|
|
8043 # endif
|
|
|
8044 vimvars[VV_CMDARG].val = newval;
|
|
|
8045 return oldval;
|
|
|
8046 }
|
|
|
8047
|
|
|
8048 vim_free(oldval);
|
|
|
8049 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8050 return NULL;
|
|
|
8051 }
|
|
|
8052 #endif
|
|
|
8053
|
|
|
8054 /*
|
|
|
8055 * Get the value of internal variable "name".
|
|
|
8056 * Return OK or FAIL.
|
|
|
8057 */
|
|
|
8058 static int
|
|
|
8059 get_var_var(name, len, retvar)
|
|
|
8060 char_u *name;
|
|
|
8061 int len; /* length of "name" */
|
|
|
8062 VAR retvar; /* NULL when only checking existence */
|
|
|
8063 {
|
|
|
8064 int ret = OK;
|
|
|
8065 int type = VAR_UNKNOWN;
|
|
|
8066 long number = 1;
|
|
|
8067 char_u *string = NULL;
|
|
|
8068 VAR v;
|
|
|
8069 int cc;
|
|
|
8070 int i;
|
|
|
8071
|
|
|
8072 /* truncate the name, so that we can use strcmp() */
|
|
|
8073 cc = name[len];
|
|
|
8074 name[len] = NUL;
|
|
|
8075
|
|
|
8076 /*
|
|
|
8077 * Check for "b:changedtick".
|
|
|
8078 */
|
|
|
8079 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8080 {
|
|
|
8081 type = VAR_NUMBER;
|
|
|
8082 number = curbuf->b_changedtick;
|
|
|
8083 }
|
|
|
8084
|
|
|
8085 /*
|
|
|
8086 * Check for built-in v: variables.
|
|
|
8087 */
|
|
|
8088 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8089 {
|
|
|
8090 type = vimvars[i].type;
|
|
|
8091 number = (long)vimvars[i].val;
|
|
|
8092 string = vimvars[i].val;
|
|
|
8093 }
|
|
|
8094
|
|
|
8095 /*
|
|
|
8096 * Check for user-defined variables.
|
|
|
8097 */
|
|
|
8098 else
|
|
|
8099 {
|
|
|
8100 v = find_var(name, FALSE);
|
|
|
8101 if (v != NULL)
|
|
|
8102 {
|
|
|
8103 type = v->var_type;
|
|
|
8104 number = v->var_val.var_number;
|
|
|
8105 string = v->var_val.var_string;
|
|
|
8106 }
|
|
|
8107 }
|
|
|
8108
|
|
|
8109 if (type == VAR_UNKNOWN)
|
|
|
8110 {
|
|
|
8111 if (retvar != NULL)
|
|
|
8112 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8113 ret = FAIL;
|
|
|
8114 }
|
|
|
8115 else if (retvar != NULL)
|
|
|
8116 {
|
|
|
8117 retvar->var_type = type;
|
|
|
8118 if (type == VAR_NUMBER)
|
|
|
8119 retvar->var_val.var_number = number;
|
|
|
8120 else if (type == VAR_STRING)
|
|
|
8121 {
|
|
|
8122 if (string != NULL)
|
|
|
8123 string = vim_strsave(string);
|
|
|
8124 retvar->var_val.var_string = string;
|
|
|
8125 }
|
|
|
8126 }
|
|
|
8127
|
|
|
8128 name[len] = cc;
|
|
|
8129
|
|
|
8130 return ret;
|
|
|
8131 }
|
|
|
8132
|
|
|
8133 /*
|
|
|
8134 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8135 */
|
|
|
8136 static VAR
|
|
|
8137 alloc_var()
|
|
|
8138 {
|
|
|
8139 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8140 }
|
|
|
8141
|
|
|
8142 /*
|
|
|
8143 * Allocate memory for a variable, and assign a string to it.
|
|
|
8144 * The string "s" must have been allocated, it is consumed.
|
|
|
8145 * Return NULL for out of memory, the variable otherwise.
|
|
|
8146 */
|
|
|
8147 static VAR
|
|
|
8148 alloc_string_var(s)
|
|
|
8149 char_u *s;
|
|
|
8150 {
|
|
|
8151 VAR retvar;
|
|
|
8152
|
|
|
8153 retvar = alloc_var();
|
|
|
8154 if (retvar != NULL)
|
|
|
8155 {
|
|
|
8156 retvar->var_type = VAR_STRING;
|
|
|
8157 retvar->var_val.var_string = s;
|
|
|
8158 }
|
|
|
8159 else
|
|
|
8160 vim_free(s);
|
|
|
8161 return retvar;
|
|
|
8162 }
|
|
|
8163
|
|
|
8164 /*
|
|
|
8165 * Free the memory for a variable.
|
|
|
8166 */
|
|
|
8167 static void
|
|
|
8168 free_var(varp)
|
|
|
8169 VAR varp;
|
|
|
8170 {
|
|
|
8171 if (varp != NULL)
|
|
|
8172 {
|
|
|
8173 if (varp->var_type == VAR_STRING)
|
|
|
8174 vim_free(varp->var_val.var_string);
|
|
|
8175 vim_free(varp->var_name);
|
|
|
8176 vim_free(varp);
|
|
|
8177 }
|
|
|
8178 }
|
|
|
8179
|
|
|
8180 /*
|
|
|
8181 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8182 */
|
|
|
8183 static void
|
|
|
8184 clear_var(varp)
|
|
|
8185 VAR varp;
|
|
|
8186 {
|
|
|
8187 if (varp != NULL)
|
|
|
8188 {
|
|
|
8189 if (varp->var_type == VAR_STRING)
|
|
|
8190 {
|
|
|
8191 vim_free(varp->var_val.var_string);
|
|
|
8192 varp->var_val.var_string = NULL;
|
|
|
8193 }
|
|
|
8194 else
|
|
|
8195 varp->var_val.var_number = 0;
|
|
|
8196 }
|
|
|
8197 }
|
|
|
8198
|
|
|
8199 /*
|
|
|
8200 * Get the number value of a variable.
|
|
|
8201 * If it is a String variable, uses vim_str2nr().
|
|
|
8202 */
|
|
|
8203 static long
|
|
|
8204 get_var_number(varp)
|
|
|
8205 VAR varp;
|
|
|
8206 {
|
|
|
8207 long n;
|
|
|
8208
|
|
|
8209 if (varp->var_type == VAR_NUMBER)
|
|
|
8210 return (long)(varp->var_val.var_number);
|
|
|
8211 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8212 return 0L;
|
|
|
8213 else
|
|
|
8214 {
|
|
|
8215 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8216 return n;
|
|
|
8217 }
|
|
|
8218 }
|
|
|
8219
|
|
|
8220 /*
|
|
|
8221 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8222 */
|
|
|
8223 static linenr_T
|
|
|
8224 get_var_lnum(argvars)
|
|
|
8225 VAR argvars;
|
|
|
8226 {
|
|
|
8227 var retvar;
|
|
|
8228 linenr_T lnum;
|
|
|
8229
|
|
|
8230 lnum = get_var_number(&argvars[0]);
|
|
|
8231 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8232 {
|
|
|
8233 retvar.var_type = VAR_NUMBER;
|
|
|
8234 f_line(argvars, &retvar);
|
|
|
8235 lnum = retvar.var_val.var_number;
|
|
|
8236 clear_var(&retvar);
|
|
|
8237 }
|
|
|
8238 return lnum;
|
|
|
8239 }
|
|
|
8240
|
|
|
8241 /*
|
|
|
8242 * Get the string value of a variable.
|
|
|
8243 * If it is a Number variable, the number is converted into a string.
|
|
|
8244 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8245 * get_var_string_buf() uses a given buffer.
|
|
|
8246 * If the String variable has never been set, return an empty string.
|
|
|
8247 * Never returns NULL;
|
|
|
8248 */
|
|
|
8249 static char_u *
|
|
|
8250 get_var_string(varp)
|
|
|
8251 VAR varp;
|
|
|
8252 {
|
|
|
8253 static char_u mybuf[NUMBUFLEN];
|
|
|
8254
|
|
|
8255 return get_var_string_buf(varp, mybuf);
|
|
|
8256 }
|
|
|
8257
|
|
|
8258 static char_u *
|
|
|
8259 get_var_string_buf(varp, buf)
|
|
|
8260 VAR varp;
|
|
|
8261 char_u *buf;
|
|
|
8262 {
|
|
|
8263 if (varp->var_type == VAR_NUMBER)
|
|
|
8264 {
|
|
|
8265 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8266 return buf;
|
|
|
8267 }
|
|
|
8268 else if (varp->var_val.var_string == NULL)
|
|
|
8269 return (char_u *)"";
|
|
|
8270 else
|
|
|
8271 return varp->var_val.var_string;
|
|
|
8272 }
|
|
|
8273
|
|
|
8274 /*
|
|
|
8275 * Find variable "name" in the list of variables.
|
|
|
8276 * Return a pointer to it if found, NULL if not found.
|
|
|
8277 */
|
|
|
8278 static VAR
|
|
|
8279 find_var(name, writing)
|
|
|
8280 char_u *name;
|
|
|
8281 int writing;
|
|
|
8282 {
|
|
|
8283 int i;
|
|
|
8284 char_u *varname;
|
|
|
8285 garray_T *gap;
|
|
|
8286
|
|
|
8287 /* Check for function arguments "a:" */
|
|
|
8288 if (name[0] == 'a' && name[1] == ':')
|
|
|
8289 {
|
|
|
8290 if (writing)
|
|
|
8291 {
|
|
|
8292 EMSG2(_(e_readonlyvar), name);
|
|
|
8293 return NULL;
|
|
|
8294 }
|
|
|
8295 name += 2;
|
|
|
8296 if (current_funccal == NULL)
|
|
|
8297 return NULL;
|
|
|
8298 if (VIM_ISDIGIT(*name))
|
|
|
8299 {
|
|
|
8300 i = atol((char *)name);
|
|
|
8301 if (i == 0) /* a:0 */
|
|
|
8302 return ¤t_funccal->a0_var;
|
|
|
8303 i += current_funccal->func->args.ga_len;
|
|
|
8304 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8305 return NULL;
|
|
|
8306 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8307 }
|
|
|
8308 if (STRCMP(name, "firstline") == 0)
|
|
|
8309 return &(current_funccal->firstline);
|
|
|
8310 if (STRCMP(name, "lastline") == 0)
|
|
|
8311 return &(current_funccal->lastline);
|
|
|
8312 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8313 if (STRCMP(name, ((char_u **)
|
|
|
8314 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8315 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8316 return NULL;
|
|
|
8317 }
|
|
|
8318
|
|
|
8319 gap = find_var_ga(name, &varname);
|
|
|
8320 if (gap == NULL)
|
|
|
8321 return NULL;
|
|
|
8322 return find_var_in_ga(gap, varname);
|
|
|
8323 }
|
|
|
8324
|
|
|
8325 static VAR
|
|
|
8326 find_var_in_ga(gap, varname)
|
|
|
8327 garray_T *gap;
|
|
|
8328 char_u *varname;
|
|
|
8329 {
|
|
|
8330 int i;
|
|
|
8331
|
|
|
8332 for (i = gap->ga_len; --i >= 0; )
|
|
|
8333 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8334 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8335 break;
|
|
|
8336 if (i < 0)
|
|
|
8337 return NULL;
|
|
|
8338 return &VAR_GAP_ENTRY(i, gap);
|
|
|
8339 }
|
|
|
8340
|
|
|
8341 /*
|
|
|
8342 * Find the growarray and start of name without ':' for a variable name.
|
|
|
8343 */
|
|
|
8344 static garray_T *
|
|
|
8345 find_var_ga(name, varname)
|
|
|
8346 char_u *name;
|
|
|
8347 char_u **varname;
|
|
|
8348 {
|
|
|
8349 if (name[1] != ':')
|
|
|
8350 {
|
|
|
8351 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
8352 if (vim_strchr(name, ':') != NULL)
|
|
|
8353 return NULL;
|
|
|
8354 *varname = name;
|
|
|
8355 if (current_funccal == NULL)
|
|
|
8356 return &variables; /* global variable */
|
|
|
8357 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
8358 }
|
|
|
8359 *varname = name + 2;
|
|
|
8360 if (*name == 'b') /* buffer variable */
|
|
|
8361 return &curbuf->b_vars;
|
|
|
8362 if (*name == 'w') /* window variable */
|
|
|
8363 return &curwin->w_vars;
|
|
|
8364 if (*name == 'g') /* global variable */
|
|
|
8365 return &variables;
|
|
|
8366 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
8367 return ¤t_funccal->l_vars;
|
|
|
8368 if (*name == 's' /* script variable */
|
|
|
8369 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
8370 return &SCRIPT_VARS(current_SID);
|
|
|
8371 return NULL;
|
|
|
8372 }
|
|
|
8373
|
|
|
8374 /*
|
|
|
8375 * Get the string value of a (global/local) variable.
|
|
|
8376 * Returns NULL when it doesn't exist.
|
|
|
8377 */
|
|
|
8378 char_u *
|
|
|
8379 get_var_value(name)
|
|
|
8380 char_u *name;
|
|
|
8381 {
|
|
|
8382 VAR v;
|
|
|
8383
|
|
|
8384 v = find_var(name, FALSE);
|
|
|
8385 if (v == NULL)
|
|
|
8386 return NULL;
|
|
|
8387 return get_var_string(v);
|
|
|
8388 }
|
|
|
8389
|
|
|
8390 /*
|
|
|
8391 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
8392 * sourcing this script and when executing functions defined in the script.
|
|
|
8393 */
|
|
|
8394 void
|
|
|
8395 new_script_vars(id)
|
|
|
8396 scid_T id;
|
|
|
8397 {
|
|
|
8398 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
8399 {
|
|
|
8400 while (ga_scripts.ga_len < id)
|
|
|
8401 {
|
|
|
8402 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
8403 ++ga_scripts.ga_len;
|
|
|
8404 --ga_scripts.ga_room;
|
|
|
8405 }
|
|
|
8406 }
|
|
|
8407 }
|
|
|
8408
|
|
|
8409 /*
|
|
|
8410 * Initialize internal variables for use.
|
|
|
8411 */
|
|
|
8412 void
|
|
|
8413 var_init(gap)
|
|
|
8414 garray_T *gap;
|
|
|
8415 {
|
|
|
8416 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
8417 }
|
|
|
8418
|
|
|
8419 /*
|
|
|
8420 * Clean up a list of internal variables.
|
|
|
8421 */
|
|
|
8422 void
|
|
|
8423 var_clear(gap)
|
|
|
8424 garray_T *gap;
|
|
|
8425 {
|
|
|
8426 int i;
|
|
|
8427
|
|
|
8428 for (i = gap->ga_len; --i >= 0; )
|
|
|
8429 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
8430 ga_clear(gap);
|
|
|
8431 }
|
|
|
8432
|
|
|
8433 static void
|
|
|
8434 var_free_one(v)
|
|
|
8435 VAR v;
|
|
|
8436 {
|
|
|
8437 vim_free(v->var_name);
|
|
|
8438 v->var_name = NULL;
|
|
|
8439 if (v->var_type == VAR_STRING)
|
|
|
8440 vim_free(v->var_val.var_string);
|
|
|
8441 v->var_val.var_string = NULL;
|
|
|
8442 }
|
|
|
8443
|
|
|
8444 /*
|
|
|
8445 * List the value of one internal variable.
|
|
|
8446 */
|
|
|
8447 static void
|
|
|
8448 list_one_var(v, prefix)
|
|
|
8449 VAR v;
|
|
|
8450 char_u *prefix;
|
|
|
8451 {
|
|
|
8452 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
8453 }
|
|
|
8454
|
|
|
8455 /*
|
|
|
8456 * List the value of one "v:" variable.
|
|
|
8457 */
|
|
|
8458 static void
|
|
|
8459 list_vim_var(i)
|
|
|
8460 int i; /* index in vimvars[] */
|
|
|
8461 {
|
|
|
8462 char_u *p;
|
|
|
8463 char_u numbuf[NUMBUFLEN];
|
|
|
8464
|
|
|
8465 if (vimvars[i].type == VAR_NUMBER)
|
|
|
8466 {
|
|
|
8467 p = numbuf;
|
|
|
8468 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
8469 }
|
|
|
8470 else if (vimvars[i].val == NULL)
|
|
|
8471 p = (char_u *)"";
|
|
|
8472 else
|
|
|
8473 p = vimvars[i].val;
|
|
|
8474 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
8475 vimvars[i].type, p);
|
|
|
8476 }
|
|
|
8477
|
|
|
8478 static void
|
|
|
8479 list_one_var_a(prefix, name, type, string)
|
|
|
8480 char_u *prefix;
|
|
|
8481 char_u *name;
|
|
|
8482 int type;
|
|
|
8483 char_u *string;
|
|
|
8484 {
|
|
|
8485 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
8486 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
8487 msg_puts(name);
|
|
|
8488 msg_putchar(' ');
|
|
|
8489 msg_advance(22);
|
|
|
8490 if (type == VAR_NUMBER)
|
|
|
8491 msg_putchar('#');
|
|
|
8492 else
|
|
|
8493 msg_putchar(' ');
|
|
|
8494 msg_outtrans(string);
|
|
|
8495 }
|
|
|
8496
|
|
|
8497 /*
|
|
|
8498 * Set variable "name" to value in "varp".
|
|
|
8499 * If the variable already exists, the value is updated.
|
|
|
8500 * Otherwise the variable is created.
|
|
|
8501 */
|
|
|
8502 static void
|
|
|
8503 set_var(name, varp)
|
|
|
8504 char_u *name;
|
|
|
8505 VAR varp;
|
|
|
8506 {
|
|
|
8507 int i;
|
|
|
8508 VAR v;
|
|
|
8509 char_u *varname;
|
|
|
8510 garray_T *gap;
|
|
|
8511
|
|
|
8512 /*
|
|
|
8513 * Handle setting internal v: variables.
|
|
|
8514 */
|
|
|
8515 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
8516 if (i >= 0)
|
|
|
8517 {
|
|
|
8518 if (vimvars[i].flags & VV_RO)
|
|
|
8519 EMSG2(_(e_readonlyvar), name);
|
|
|
8520 else
|
|
|
8521 {
|
|
|
8522 if (vimvars[i].type == VAR_STRING)
|
|
|
8523 {
|
|
|
8524 vim_free(vimvars[i].val);
|
|
|
8525 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
8526 }
|
|
|
8527 else
|
|
|
8528 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
8529 }
|
|
|
8530 return;
|
|
|
8531 }
|
|
|
8532
|
|
|
8533 v = find_var(name, TRUE);
|
|
|
8534 if (v != NULL) /* existing variable, only need to free string */
|
|
|
8535 {
|
|
|
8536 if (v->var_type == VAR_STRING)
|
|
|
8537 vim_free(v->var_val.var_string);
|
|
|
8538 }
|
|
|
8539 else /* add a new variable */
|
|
|
8540 {
|
|
|
8541 gap = find_var_ga(name, &varname);
|
|
|
8542 if (gap == NULL) /* illegal name */
|
|
|
8543 {
|
|
|
8544 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
8545 return;
|
|
|
8546 }
|
|
|
8547
|
|
|
8548 /* Try to use an empty entry */
|
|
|
8549 for (i = gap->ga_len; --i >= 0; )
|
|
|
8550 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
8551 break;
|
|
|
8552 if (i < 0) /* need to allocate more room */
|
|
|
8553 {
|
|
|
8554 if (ga_grow(gap, 1) == FAIL)
|
|
|
8555 return;
|
|
|
8556 i = gap->ga_len;
|
|
|
8557 }
|
|
|
8558 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
8559 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
8560 return;
|
|
|
8561 if (i == gap->ga_len)
|
|
|
8562 {
|
|
|
8563 ++gap->ga_len;
|
|
|
8564 --gap->ga_room;
|
|
|
8565 }
|
|
|
8566 }
|
|
|
8567 copy_var(varp, v);
|
|
|
8568 }
|
|
|
8569
|
|
|
8570 static void
|
|
|
8571 copy_var(from, to)
|
|
|
8572 VAR from;
|
|
|
8573 VAR to;
|
|
|
8574 {
|
|
|
8575 to->var_type = from->var_type;
|
|
|
8576 if (from->var_type == VAR_STRING)
|
|
|
8577 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
8578 else
|
|
|
8579 to->var_val.var_number = from->var_val.var_number;
|
|
|
8580 }
|
|
|
8581
|
|
|
8582 /*
|
|
|
8583 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
8584 * newline at the end.
|
|
|
8585 * ":echon expr1 ..." print each argument plain.
|
|
|
8586 */
|
|
|
8587 void
|
|
|
8588 ex_echo(eap)
|
|
|
8589 exarg_T *eap;
|
|
|
8590 {
|
|
|
8591 char_u *arg = eap->arg;
|
|
|
8592 var retvar;
|
|
|
8593 char_u *p;
|
|
|
8594 int needclr = TRUE;
|
|
|
8595 int atstart = TRUE;
|
|
|
8596
|
|
|
8597 if (eap->skip)
|
|
|
8598 ++emsg_skip;
|
|
|
8599 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
8600 {
|
|
|
8601 p = arg;
|
|
|
8602 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8603 {
|
|
|
8604 /*
|
|
|
8605 * Report the invalid expression unless the expression evaluation
|
|
|
8606 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8607 * exception.
|
|
|
8608 */
|
|
|
8609 if (!aborting())
|
|
|
8610 EMSG2(_(e_invexpr2), p);
|
|
|
8611 break;
|
|
|
8612 }
|
|
|
8613 if (!eap->skip)
|
|
|
8614 {
|
|
|
8615 if (atstart)
|
|
|
8616 {
|
|
|
8617 atstart = FALSE;
|
|
|
8618 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
8619 * may cause a message to appear. */
|
|
|
8620 if (eap->cmdidx == CMD_echo)
|
|
|
8621 msg_start();
|
|
|
8622 }
|
|
|
8623 else if (eap->cmdidx == CMD_echo)
|
|
|
8624 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
8625 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
8626 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
8627 {
|
|
|
8628 if (*p != TAB && needclr)
|
|
|
8629 {
|
|
|
8630 /* remove any text still there from the command */
|
|
|
8631 msg_clr_eos();
|
|
|
8632 needclr = FALSE;
|
|
|
8633 }
|
|
|
8634 msg_putchar_attr(*p, echo_attr);
|
|
|
8635 }
|
|
|
8636 else
|
|
|
8637 {
|
|
|
8638 #ifdef FEAT_MBYTE
|
|
|
8639 if (has_mbyte)
|
|
|
8640 {
|
|
|
8641 int i = (*mb_ptr2len_check)(p);
|
|
|
8642
|
|
|
8643 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
8644 p += i - 1;
|
|
|
8645 }
|
|
|
8646 else
|
|
|
8647 #endif
|
|
|
8648 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
8649 }
|
|
|
8650 }
|
|
|
8651 clear_var(&retvar);
|
|
|
8652 arg = skipwhite(arg);
|
|
|
8653 }
|
|
|
8654 eap->nextcmd = check_nextcmd(arg);
|
|
|
8655
|
|
|
8656 if (eap->skip)
|
|
|
8657 --emsg_skip;
|
|
|
8658 else
|
|
|
8659 {
|
|
|
8660 /* remove text that may still be there from the command */
|
|
|
8661 if (needclr)
|
|
|
8662 msg_clr_eos();
|
|
|
8663 if (eap->cmdidx == CMD_echo)
|
|
|
8664 msg_end();
|
|
|
8665 }
|
|
|
8666 }
|
|
|
8667
|
|
|
8668 /*
|
|
|
8669 * ":echohl {name}".
|
|
|
8670 */
|
|
|
8671 void
|
|
|
8672 ex_echohl(eap)
|
|
|
8673 exarg_T *eap;
|
|
|
8674 {
|
|
|
8675 int id;
|
|
|
8676
|
|
|
8677 id = syn_name2id(eap->arg);
|
|
|
8678 if (id == 0)
|
|
|
8679 echo_attr = 0;
|
|
|
8680 else
|
|
|
8681 echo_attr = syn_id2attr(id);
|
|
|
8682 }
|
|
|
8683
|
|
|
8684 /*
|
|
|
8685 * ":execute expr1 ..." execute the result of an expression.
|
|
|
8686 * ":echomsg expr1 ..." Print a message
|
|
|
8687 * ":echoerr expr1 ..." Print an error
|
|
|
8688 * Each gets spaces around each argument and a newline at the end for
|
|
|
8689 * echo commands
|
|
|
8690 */
|
|
|
8691 void
|
|
|
8692 ex_execute(eap)
|
|
|
8693 exarg_T *eap;
|
|
|
8694 {
|
|
|
8695 char_u *arg = eap->arg;
|
|
|
8696 var retvar;
|
|
|
8697 int ret = OK;
|
|
|
8698 char_u *p;
|
|
|
8699 garray_T ga;
|
|
|
8700 int len;
|
|
|
8701 int save_did_emsg;
|
|
|
8702
|
|
|
8703 ga_init2(&ga, 1, 80);
|
|
|
8704
|
|
|
8705 if (eap->skip)
|
|
|
8706 ++emsg_skip;
|
|
|
8707 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
8708 {
|
|
|
8709 p = arg;
|
|
|
8710 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8711 {
|
|
|
8712 /*
|
|
|
8713 * Report the invalid expression unless the expression evaluation
|
|
|
8714 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8715 * exception.
|
|
|
8716 */
|
|
|
8717 if (!aborting())
|
|
|
8718 EMSG2(_(e_invexpr2), p);
|
|
|
8719 ret = FAIL;
|
|
|
8720 break;
|
|
|
8721 }
|
|
|
8722
|
|
|
8723 if (!eap->skip)
|
|
|
8724 {
|
|
|
8725 p = get_var_string(&retvar);
|
|
|
8726 len = (int)STRLEN(p);
|
|
|
8727 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
8728 {
|
|
|
8729 clear_var(&retvar);
|
|
|
8730 ret = FAIL;
|
|
|
8731 break;
|
|
|
8732 }
|
|
|
8733 if (ga.ga_len)
|
|
|
8734 {
|
|
|
8735 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
8736 --ga.ga_room;
|
|
|
8737 }
|
|
|
8738 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
8739 ga.ga_room -= len;
|
|
|
8740 ga.ga_len += len;
|
|
|
8741 }
|
|
|
8742
|
|
|
8743 clear_var(&retvar);
|
|
|
8744 arg = skipwhite(arg);
|
|
|
8745 }
|
|
|
8746
|
|
|
8747 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
8748 {
|
|
|
8749 if (eap->cmdidx == CMD_echomsg)
|
|
|
8750 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
8751 else if (eap->cmdidx == CMD_echoerr)
|
|
|
8752 {
|
|
|
8753 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
8754 save_did_emsg = did_emsg;
|
|
|
8755 EMSG((char_u *)ga.ga_data);
|
|
|
8756 if (!force_abort)
|
|
|
8757 did_emsg = save_did_emsg;
|
|
|
8758 }
|
|
|
8759 else if (eap->cmdidx == CMD_execute)
|
|
|
8760 do_cmdline((char_u *)ga.ga_data,
|
|
|
8761 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
8762 }
|
|
|
8763
|
|
|
8764 ga_clear(&ga);
|
|
|
8765
|
|
|
8766 if (eap->skip)
|
|
|
8767 --emsg_skip;
|
|
|
8768
|
|
|
8769 eap->nextcmd = check_nextcmd(arg);
|
|
|
8770 }
|
|
|
8771
|
|
|
8772 /*
|
|
|
8773 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
8774 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
8775 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
8776 * after the option name.
|
|
|
8777 */
|
|
|
8778 static char_u *
|
|
|
8779 find_option_end(arg, opt_flags)
|
|
|
8780 char_u **arg;
|
|
|
8781 int *opt_flags;
|
|
|
8782 {
|
|
|
8783 char_u *p = *arg;
|
|
|
8784
|
|
|
8785 ++p;
|
|
|
8786 if (*p == 'g' && p[1] == ':')
|
|
|
8787 {
|
|
|
8788 *opt_flags = OPT_GLOBAL;
|
|
|
8789 p += 2;
|
|
|
8790 }
|
|
|
8791 else if (*p == 'l' && p[1] == ':')
|
|
|
8792 {
|
|
|
8793 *opt_flags = OPT_LOCAL;
|
|
|
8794 p += 2;
|
|
|
8795 }
|
|
|
8796 else
|
|
|
8797 *opt_flags = 0;
|
|
|
8798
|
|
|
8799 if (!ASCII_ISALPHA(*p))
|
|
|
8800 return NULL;
|
|
|
8801 *arg = p;
|
|
|
8802
|
|
|
8803 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
8804 p += 4; /* termcap option */
|
|
|
8805 else
|
|
|
8806 while (ASCII_ISALPHA(*p))
|
|
|
8807 ++p;
|
|
|
8808 return p;
|
|
|
8809 }
|
|
|
8810
|
|
|
8811 /*
|
|
|
8812 * ":function"
|
|
|
8813 */
|
|
|
8814 void
|
|
|
8815 ex_function(eap)
|
|
|
8816 exarg_T *eap;
|
|
|
8817 {
|
|
|
8818 char_u *theline;
|
|
|
8819 int j;
|
|
|
8820 int c;
|
|
|
8821 #ifdef FEAT_MAGIC_BRACES
|
|
|
8822 int saved_did_emsg;
|
|
|
8823 #endif
|
|
|
8824 char_u *name = NULL;
|
|
|
8825 char_u *p;
|
|
|
8826 char_u *arg;
|
|
|
8827 garray_T newargs;
|
|
|
8828 garray_T newlines;
|
|
|
8829 int varargs = FALSE;
|
|
|
8830 int mustend = FALSE;
|
|
|
8831 int flags = 0;
|
|
|
8832 ufunc_T *fp;
|
|
|
8833 int indent;
|
|
|
8834 int nesting;
|
|
|
8835 char_u *skip_until = NULL;
|
|
|
8836 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
8837
|
|
|
8838 /*
|
|
|
8839 * ":function" without argument: list functions.
|
|
|
8840 */
|
|
|
8841 if (ends_excmd(*eap->arg))
|
|
|
8842 {
|
|
|
8843 if (!eap->skip)
|
|
|
8844 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
8845 list_func_head(fp, FALSE);
|
|
|
8846 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
8847 return;
|
|
|
8848 }
|
|
|
8849
|
|
|
8850 p = eap->arg;
|
|
|
8851 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
8852 if (name == NULL && !eap->skip)
|
|
|
8853 {
|
|
|
8854 /*
|
|
|
8855 * Return on an invalid expression in braces, unless the expression
|
|
|
8856 * evaluation has been cancelled due to an aborting error, an
|
|
|
8857 * interrupt, or an exception.
|
|
|
8858 */
|
|
|
8859 if (!aborting())
|
|
|
8860 return;
|
|
|
8861 else
|
|
|
8862 eap->skip = TRUE;
|
|
|
8863 }
|
|
|
8864 #ifdef FEAT_MAGIC_BRACES
|
|
|
8865 /* An error in a function call during evaluation of an expression in magic
|
|
|
8866 * braces should not cause the function not to be defined. */
|
|
|
8867 saved_did_emsg = did_emsg;
|
|
|
8868 did_emsg = FALSE;
|
|
|
8869 #endif
|
|
|
8870
|
|
|
8871 /*
|
|
|
8872 * ":function func" with only function name: list function.
|
|
|
8873 */
|
|
|
8874 if (vim_strchr(p, '(') == NULL)
|
|
|
8875 {
|
|
|
8876 if (!ends_excmd(*skipwhite(p)))
|
|
|
8877 {
|
|
|
8878 EMSG(_(e_trailing));
|
|
|
8879 goto erret_name;
|
|
|
8880 }
|
|
|
8881 eap->nextcmd = check_nextcmd(p);
|
|
|
8882 if (eap->nextcmd != NULL)
|
|
|
8883 *p = NUL;
|
|
|
8884 if (!eap->skip && !got_int)
|
|
|
8885 {
|
|
|
8886 fp = find_func(name);
|
|
|
8887 if (fp != NULL)
|
|
|
8888 {
|
|
|
8889 list_func_head(fp, TRUE);
|
|
|
8890 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
8891 {
|
|
|
8892 msg_putchar('\n');
|
|
|
8893 msg_outnum((long)(j + 1));
|
|
|
8894 if (j < 9)
|
|
|
8895 msg_putchar(' ');
|
|
|
8896 if (j < 99)
|
|
|
8897 msg_putchar(' ');
|
|
|
8898 msg_prt_line(FUNCLINE(fp, j));
|
|
|
8899 out_flush(); /* show a line at a time */
|
|
|
8900 ui_breakcheck();
|
|
|
8901 }
|
|
|
8902 if (!got_int)
|
|
|
8903 {
|
|
|
8904 msg_putchar('\n');
|
|
|
8905 msg_puts((char_u *)" endfunction");
|
|
|
8906 }
|
|
|
8907 }
|
|
|
8908 else
|
|
|
8909 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
8910 }
|
|
|
8911 goto erret_name;
|
|
|
8912 }
|
|
|
8913
|
|
|
8914 /*
|
|
|
8915 * ":function name(arg1, arg2)" Define function.
|
|
|
8916 */
|
|
|
8917 p = skipwhite(p);
|
|
|
8918 if (*p != '(')
|
|
|
8919 {
|
|
|
8920 if (!eap->skip)
|
|
|
8921 {
|
|
|
8922 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
8923 goto erret_name;
|
|
|
8924 }
|
|
|
8925 /* attempt to continue by skipping some text */
|
|
|
8926 if (vim_strchr(p, '(') != NULL)
|
|
|
8927 p = vim_strchr(p, '(');
|
|
|
8928 }
|
|
|
8929 p = skipwhite(p + 1);
|
|
|
8930
|
|
|
8931 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
8932 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
8933
|
|
|
8934 /*
|
|
|
8935 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
8936 */
|
|
|
8937 while (*p != ')')
|
|
|
8938 {
|
|
|
8939 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
8940 {
|
|
|
8941 varargs = TRUE;
|
|
|
8942 p += 3;
|
|
|
8943 mustend = TRUE;
|
|
|
8944 }
|
|
|
8945 else
|
|
|
8946 {
|
|
|
8947 arg = p;
|
|
|
8948 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
8949 ++p;
|
|
|
8950 if (arg == p || isdigit(*arg)
|
|
|
8951 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
8952 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
8953 {
|
|
|
8954 if (!eap->skip)
|
|
|
8955 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
8956 break;
|
|
|
8957 }
|
|
|
8958 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
8959 goto erret;
|
|
|
8960 c = *p;
|
|
|
8961 *p = NUL;
|
|
|
8962 arg = vim_strsave(arg);
|
|
|
8963 if (arg == NULL)
|
|
|
8964 goto erret;
|
|
|
8965 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
8966 *p = c;
|
|
|
8967 newargs.ga_len++;
|
|
|
8968 newargs.ga_room--;
|
|
|
8969 if (*p == ',')
|
|
|
8970 ++p;
|
|
|
8971 else
|
|
|
8972 mustend = TRUE;
|
|
|
8973 }
|
|
|
8974 p = skipwhite(p);
|
|
|
8975 if (mustend && *p != ')')
|
|
|
8976 {
|
|
|
8977 if (!eap->skip)
|
|
|
8978 EMSG2(_(e_invarg2), eap->arg);
|
|
|
8979 break;
|
|
|
8980 }
|
|
|
8981 }
|
|
|
8982 ++p; /* skip the ')' */
|
|
|
8983
|
|
|
8984 /* find extra arguments "range" and "abort" */
|
|
|
8985 for (;;)
|
|
|
8986 {
|
|
|
8987 p = skipwhite(p);
|
|
|
8988 if (STRNCMP(p, "range", 5) == 0)
|
|
|
8989 {
|
|
|
8990 flags |= FC_RANGE;
|
|
|
8991 p += 5;
|
|
|
8992 }
|
|
|
8993 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
8994 {
|
|
|
8995 flags |= FC_ABORT;
|
|
|
8996 p += 5;
|
|
|
8997 }
|
|
|
8998 else
|
|
|
8999 break;
|
|
|
9000 }
|
|
|
9001
|
|
|
9002 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
9003 EMSG(_(e_trailing));
|
|
|
9004
|
|
|
9005 /*
|
|
|
9006 * Read the body of the function, until ":endfunction" is found.
|
|
|
9007 */
|
|
|
9008 if (KeyTyped)
|
|
|
9009 {
|
|
|
9010 /* Check if the function already exists, don't let the user type the
|
|
|
9011 * whole function before telling him it doesn't work! For a script we
|
|
|
9012 * need to skip the body to be able to find what follows. */
|
|
|
9013 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
9014 EMSG2(_(e_funcexts), name);
|
|
|
9015
|
|
|
9016 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
9017 cmdline_row = msg_row;
|
|
|
9018 }
|
|
|
9019
|
|
|
9020 indent = 2;
|
|
|
9021 nesting = 0;
|
|
|
9022 for (;;)
|
|
|
9023 {
|
|
|
9024 msg_scroll = TRUE;
|
|
|
9025 need_wait_return = FALSE;
|
|
|
9026 if (eap->getline == NULL)
|
|
|
9027 theline = getcmdline(':', 0L, indent);
|
|
|
9028 else
|
|
|
9029 theline = eap->getline(':', eap->cookie, indent);
|
|
|
9030 if (KeyTyped)
|
|
|
9031 lines_left = Rows - 1;
|
|
|
9032 if (theline == NULL)
|
|
|
9033 {
|
|
|
9034 EMSG(_("E126: Missing :endfunction"));
|
|
|
9035 goto erret;
|
|
|
9036 }
|
|
|
9037
|
|
|
9038 if (skip_until != NULL)
|
|
|
9039 {
|
|
|
9040 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9041 * don't check for ":endfunc". */
|
|
|
9042 if (STRCMP(theline, skip_until) == 0)
|
|
|
9043 {
|
|
|
9044 vim_free(skip_until);
|
|
|
9045 skip_until = NULL;
|
|
|
9046 }
|
|
|
9047 }
|
|
|
9048 else
|
|
|
9049 {
|
|
|
9050 /* skip ':' and blanks*/
|
|
|
9051 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9052 ;
|
|
|
9053
|
|
|
9054 /* Check for "endfunction" (should be more strict...). */
|
|
|
9055 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9056 {
|
|
|
9057 vim_free(theline);
|
|
|
9058 break;
|
|
|
9059 }
|
|
|
9060
|
|
|
9061 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9062 * at "end". */
|
|
|
9063 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9064 indent -= 2;
|
|
|
9065 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9066 || STRNCMP(p, "try", 3) == 0)
|
|
|
9067 indent += 2;
|
|
|
9068
|
|
|
9069 /* Check for defining a function inside this function. */
|
|
|
9070 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9071 {
|
|
|
9072 p = skipwhite(skiptowhite(p));
|
|
|
9073 p += eval_fname_script(p);
|
|
|
9074 if (ASCII_ISALPHA(*p))
|
|
|
9075 {
|
|
|
9076 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9077 if (*skipwhite(p) == '(')
|
|
|
9078 {
|
|
|
9079 ++nesting;
|
|
|
9080 indent += 2;
|
|
|
9081 }
|
|
|
9082 }
|
|
|
9083 }
|
|
|
9084
|
|
|
9085 /* Check for ":append" or ":insert". */
|
|
|
9086 p = skip_range(p, NULL);
|
|
|
9087 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9088 || (p[0] == 'i'
|
|
|
9089 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9090 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9091 skip_until = vim_strsave((char_u *)".");
|
|
|
9092
|
|
|
9093 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9094 arg = skipwhite(skiptowhite(p));
|
|
|
9095 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9096 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9097 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9098 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9099 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9100 || (p[0] == 't' && p[1] == 'c'
|
|
|
9101 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9102 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9103 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
|
9104 ))
|
|
|
9105 {
|
|
|
9106 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9107 p = skipwhite(arg + 2);
|
|
|
9108 if (*p == NUL)
|
|
|
9109 skip_until = vim_strsave((char_u *)".");
|
|
|
9110 else
|
|
|
9111 skip_until = vim_strsave(p);
|
|
|
9112 }
|
|
|
9113 }
|
|
|
9114
|
|
|
9115 /* Add the line to the function. */
|
|
|
9116 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9117 goto erret;
|
|
|
9118 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9119 newlines.ga_len++;
|
|
|
9120 newlines.ga_room--;
|
|
|
9121 }
|
|
|
9122
|
|
|
9123 /* Don't define the function when skipping commands or when an error was
|
|
|
9124 * detected. */
|
|
|
9125 if (eap->skip || did_emsg)
|
|
|
9126 goto erret;
|
|
|
9127
|
|
|
9128 /*
|
|
|
9129 * If there are no errors, add the function
|
|
|
9130 */
|
|
|
9131 fp = find_func(name);
|
|
|
9132 if (fp != NULL)
|
|
|
9133 {
|
|
|
9134 if (!eap->forceit)
|
|
|
9135 {
|
|
|
9136 EMSG2(_(e_funcexts), name);
|
|
|
9137 goto erret;
|
|
|
9138 }
|
|
|
9139 if (fp->calls)
|
|
|
9140 {
|
|
|
9141 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9142 goto erret;
|
|
|
9143 }
|
|
|
9144 /* redefine existing function */
|
|
|
9145 ga_clear_strings(&(fp->args));
|
|
|
9146 ga_clear_strings(&(fp->lines));
|
|
|
9147 vim_free(name);
|
|
|
9148 }
|
|
|
9149 else
|
|
|
9150 {
|
|
|
9151 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9152 if (fp == NULL)
|
|
|
9153 goto erret;
|
|
|
9154 /* insert the new function in the function list */
|
|
|
9155 fp->next = firstfunc;
|
|
|
9156 firstfunc = fp;
|
|
|
9157 fp->name = name;
|
|
|
9158 }
|
|
|
9159 fp->args = newargs;
|
|
|
9160 fp->lines = newlines;
|
|
|
9161 fp->varargs = varargs;
|
|
|
9162 fp->flags = flags;
|
|
|
9163 fp->calls = 0;
|
|
|
9164 fp->script_ID = current_SID;
|
|
|
9165 #ifdef FEAT_MAGIC_BRACES
|
|
|
9166 did_emsg |= saved_did_emsg;
|
|
|
9167 #endif
|
|
|
9168 vim_free(skip_until);
|
|
|
9169 return;
|
|
|
9170
|
|
|
9171 erret:
|
|
|
9172 vim_free(skip_until);
|
|
|
9173 ga_clear_strings(&newargs);
|
|
|
9174 ga_clear_strings(&newlines);
|
|
|
9175 erret_name:
|
|
|
9176 vim_free(name);
|
|
|
9177 #ifdef FEAT_MAGIC_BRACES
|
|
|
9178 did_emsg |= saved_did_emsg;
|
|
|
9179 #endif
|
|
|
9180 }
|
|
|
9181
|
|
|
9182 /*
|
|
|
9183 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9184 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9185 * Advances "pp" to just after the function name (if no error).
|
|
|
9186 */
|
|
|
9187 static char_u *
|
|
|
9188 trans_function_name(pp, skip, internal)
|
|
|
9189 char_u **pp;
|
|
|
9190 int skip; /* only find the end, don't evaluate */
|
|
|
9191 int internal; /* TRUE if internal function name OK */
|
|
|
9192 {
|
|
|
9193 char_u *name;
|
|
|
9194 char_u *start;
|
|
|
9195 char_u *end;
|
|
|
9196 int lead;
|
|
|
9197 char_u sid_buf[20];
|
|
|
9198 char_u *temp_string = NULL;
|
|
|
9199 char_u *expr_start, *expr_end;
|
|
|
9200 int len;
|
|
|
9201
|
|
|
9202 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9203 start = *pp;
|
|
|
9204 lead = eval_fname_script(start);
|
|
|
9205 if (lead > 0)
|
|
|
9206 start += lead;
|
|
|
9207 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9208 if (end == start)
|
|
|
9209 {
|
|
|
9210 if (!skip)
|
|
|
9211 EMSG(_("E129: Function name required"));
|
|
|
9212 return NULL;
|
|
|
9213 }
|
|
|
9214 #ifdef FEAT_MAGIC_BRACES
|
|
|
9215 if (expr_start != NULL && !skip)
|
|
|
9216 {
|
|
|
9217 /* expand magic curlies */
|
|
|
9218 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9219 if (temp_string == NULL)
|
|
|
9220 {
|
|
|
9221 /*
|
|
|
9222 * Report an invalid expression in braces, unless the expression
|
|
|
9223 * evaluation has been cancelled due to an aborting error, an
|
|
|
9224 * interrupt, or an exception.
|
|
|
9225 */
|
|
|
9226 if (!aborting())
|
|
|
9227 EMSG2(_(e_invarg2), start);
|
|
|
9228 else
|
|
|
9229 *pp = end;
|
|
|
9230 return NULL;
|
|
|
9231 }
|
|
|
9232 start = temp_string;
|
|
|
9233 len = (int)STRLEN(temp_string);
|
|
|
9234 }
|
|
|
9235 else
|
|
|
9236 #endif
|
|
|
9237 len = (int)(end - start);
|
|
|
9238
|
|
|
9239 /*
|
|
|
9240 * Copy the function name to allocated memory.
|
|
|
9241 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9242 * Accept <SNR>123_name() outside a script.
|
|
|
9243 */
|
|
|
9244 if (skip)
|
|
|
9245 lead = 0; /* do nothing */
|
|
|
9246 else if (lead > 0)
|
|
|
9247 {
|
|
|
9248 lead = 3;
|
|
|
9249 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9250 {
|
|
|
9251 if (current_SID <= 0)
|
|
|
9252 {
|
|
|
9253 EMSG(_(e_usingsid));
|
|
|
9254 return NULL;
|
|
|
9255 }
|
|
|
9256 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9257 lead += (int)STRLEN(sid_buf);
|
|
|
9258 }
|
|
|
9259 }
|
|
|
9260 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9261 {
|
|
|
9262 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9263 return NULL;
|
|
|
9264 }
|
|
|
9265 name = alloc((unsigned)(len + lead + 1));
|
|
|
9266 if (name != NULL)
|
|
|
9267 {
|
|
|
9268 if (lead > 0)
|
|
|
9269 {
|
|
|
9270 name[0] = K_SPECIAL;
|
|
|
9271 name[1] = KS_EXTRA;
|
|
|
9272 name[2] = (int)KE_SNR;
|
|
|
9273 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9274 STRCPY(name + 3, sid_buf);
|
|
|
9275 }
|
|
|
9276 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9277 name[len + lead] = NUL;
|
|
|
9278 }
|
|
|
9279 *pp = end;
|
|
|
9280
|
|
|
9281 vim_free(temp_string);
|
|
|
9282 return name;
|
|
|
9283 }
|
|
|
9284
|
|
|
9285 /*
|
|
|
9286 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9287 * Return 2 if "p" starts with "s:".
|
|
|
9288 * Return 0 otherwise.
|
|
|
9289 */
|
|
|
9290 static int
|
|
|
9291 eval_fname_script(p)
|
|
|
9292 char_u *p;
|
|
|
9293 {
|
|
|
9294 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9295 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9296 return 5;
|
|
|
9297 if (p[0] == 's' && p[1] == ':')
|
|
|
9298 return 2;
|
|
|
9299 return 0;
|
|
|
9300 }
|
|
|
9301
|
|
|
9302 /*
|
|
|
9303 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9304 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9305 */
|
|
|
9306 static int
|
|
|
9307 eval_fname_sid(p)
|
|
|
9308 char_u *p;
|
|
|
9309 {
|
|
|
9310 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9311 }
|
|
|
9312
|
|
|
9313 /*
|
|
|
9314 * List the head of the function: "name(arg1, arg2)".
|
|
|
9315 */
|
|
|
9316 static void
|
|
|
9317 list_func_head(fp, indent)
|
|
|
9318 ufunc_T *fp;
|
|
|
9319 int indent;
|
|
|
9320 {
|
|
|
9321 int j;
|
|
|
9322
|
|
|
9323 msg_start();
|
|
|
9324 if (indent)
|
|
|
9325 MSG_PUTS(" ");
|
|
|
9326 MSG_PUTS("function ");
|
|
|
9327 if (fp->name[0] == K_SPECIAL)
|
|
|
9328 {
|
|
|
9329 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9330 msg_puts(fp->name + 3);
|
|
|
9331 }
|
|
|
9332 else
|
|
|
9333 msg_puts(fp->name);
|
|
|
9334 msg_putchar('(');
|
|
|
9335 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
9336 {
|
|
|
9337 if (j)
|
|
|
9338 MSG_PUTS(", ");
|
|
|
9339 msg_puts(FUNCARG(fp, j));
|
|
|
9340 }
|
|
|
9341 if (fp->varargs)
|
|
|
9342 {
|
|
|
9343 if (j)
|
|
|
9344 MSG_PUTS(", ");
|
|
|
9345 MSG_PUTS("...");
|
|
|
9346 }
|
|
|
9347 msg_putchar(')');
|
|
|
9348 }
|
|
|
9349
|
|
|
9350 /*
|
|
|
9351 * Find a function by name, return pointer to it in ufuncs.
|
|
|
9352 * Return NULL for unknown function.
|
|
|
9353 */
|
|
|
9354 static ufunc_T *
|
|
|
9355 find_func(name)
|
|
|
9356 char_u *name;
|
|
|
9357 {
|
|
|
9358 ufunc_T *fp;
|
|
|
9359
|
|
|
9360 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
9361 if (STRCMP(name, fp->name) == 0)
|
|
|
9362 break;
|
|
|
9363 return fp;
|
|
|
9364 }
|
|
|
9365
|
|
|
9366 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
9367
|
|
|
9368 /*
|
|
|
9369 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
9370 * function names.
|
|
|
9371 */
|
|
|
9372 char_u *
|
|
|
9373 get_user_func_name(xp, idx)
|
|
|
9374 expand_T *xp;
|
|
|
9375 int idx;
|
|
|
9376 {
|
|
|
9377 static ufunc_T *fp = NULL;
|
|
|
9378
|
|
|
9379 if (idx == 0)
|
|
|
9380 fp = firstfunc;
|
|
|
9381 if (fp != NULL)
|
|
|
9382 {
|
|
|
9383 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
9384 return fp->name; /* prevents overflow */
|
|
|
9385
|
|
|
9386 cat_func_name(IObuff, fp);
|
|
|
9387 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
9388 {
|
|
|
9389 STRCAT(IObuff, "(");
|
|
|
9390 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
9391 STRCAT(IObuff, ")");
|
|
|
9392 }
|
|
|
9393
|
|
|
9394 fp = fp->next;
|
|
|
9395 return IObuff;
|
|
|
9396 }
|
|
|
9397 return NULL;
|
|
|
9398 }
|
|
|
9399
|
|
|
9400 #endif /* FEAT_CMDL_COMPL */
|
|
|
9401
|
|
|
9402 /*
|
|
|
9403 * Copy the function name of "fp" to buffer "buf".
|
|
|
9404 * "buf" must be able to hold the function name plus three bytes.
|
|
|
9405 * Takes care of script-local function names.
|
|
|
9406 */
|
|
|
9407 static void
|
|
|
9408 cat_func_name(buf, fp)
|
|
|
9409 char_u *buf;
|
|
|
9410 ufunc_T *fp;
|
|
|
9411 {
|
|
|
9412 if (fp->name[0] == K_SPECIAL)
|
|
|
9413 {
|
|
|
9414 STRCPY(buf, "<SNR>");
|
|
|
9415 STRCAT(buf, fp->name + 3);
|
|
|
9416 }
|
|
|
9417 else
|
|
|
9418 STRCPY(buf, fp->name);
|
|
|
9419 }
|
|
|
9420
|
|
|
9421 /*
|
|
|
9422 * ":delfunction {name}"
|
|
|
9423 */
|
|
|
9424 void
|
|
|
9425 ex_delfunction(eap)
|
|
|
9426 exarg_T *eap;
|
|
|
9427 {
|
|
|
9428 ufunc_T *fp = NULL, *pfp;
|
|
|
9429 char_u *p;
|
|
|
9430 char_u *name;
|
|
|
9431
|
|
|
9432 p = eap->arg;
|
|
|
9433 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9434 if (name == NULL)
|
|
|
9435 return;
|
|
|
9436 if (!ends_excmd(*skipwhite(p)))
|
|
|
9437 {
|
|
|
9438 vim_free(name);
|
|
|
9439 EMSG(_(e_trailing));
|
|
|
9440 return;
|
|
|
9441 }
|
|
|
9442 eap->nextcmd = check_nextcmd(p);
|
|
|
9443 if (eap->nextcmd != NULL)
|
|
|
9444 *p = NUL;
|
|
|
9445
|
|
|
9446 if (!eap->skip)
|
|
|
9447 fp = find_func(name);
|
|
|
9448 vim_free(name);
|
|
|
9449
|
|
|
9450 if (!eap->skip)
|
|
|
9451 {
|
|
|
9452 if (fp == NULL)
|
|
|
9453 {
|
|
|
9454 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
9455 return;
|
|
|
9456 }
|
|
|
9457 if (fp->calls)
|
|
|
9458 {
|
|
|
9459 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
9460 return;
|
|
|
9461 }
|
|
|
9462
|
|
|
9463 /* clear this function */
|
|
|
9464 vim_free(fp->name);
|
|
|
9465 ga_clear_strings(&(fp->args));
|
|
|
9466 ga_clear_strings(&(fp->lines));
|
|
|
9467
|
|
|
9468 /* remove the function from the function list */
|
|
|
9469 if (firstfunc == fp)
|
|
|
9470 firstfunc = fp->next;
|
|
|
9471 else
|
|
|
9472 {
|
|
|
9473 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
9474 if (pfp->next == fp)
|
|
|
9475 {
|
|
|
9476 pfp->next = fp->next;
|
|
|
9477 break;
|
|
|
9478 }
|
|
|
9479 }
|
|
|
9480 vim_free(fp);
|
|
|
9481 }
|
|
|
9482 }
|
|
|
9483
|
|
|
9484 /*
|
|
|
9485 * Call a user function.
|
|
|
9486 */
|
|
|
9487 static void
|
|
|
9488 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
9489 ufunc_T *fp; /* pointer to function */
|
|
|
9490 int argcount; /* nr of args */
|
|
|
9491 VAR argvars; /* arguments */
|
|
|
9492 VAR retvar; /* return value */
|
|
|
9493 linenr_T firstline; /* first line of range */
|
|
|
9494 linenr_T lastline; /* last line of range */
|
|
|
9495 {
|
|
|
9496 char_u *save_sourcing_name;
|
|
|
9497 linenr_T save_sourcing_lnum;
|
|
|
9498 scid_T save_current_SID;
|
|
|
9499 struct funccall fc;
|
|
|
9500 struct funccall *save_fcp = current_funccal;
|
|
|
9501 int save_did_emsg;
|
|
|
9502 static int depth = 0;
|
|
|
9503
|
|
|
9504 /* If depth of calling is getting too high, don't execute the function */
|
|
|
9505 if (depth >= p_mfd)
|
|
|
9506 {
|
|
|
9507 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
9508 retvar->var_type = VAR_NUMBER;
|
|
|
9509 retvar->var_val.var_number = -1;
|
|
|
9510 return;
|
|
|
9511 }
|
|
|
9512 ++depth;
|
|
|
9513
|
|
|
9514 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
9515
|
|
|
9516 /* set local variables */
|
|
|
9517 var_init(&fc.l_vars);
|
|
|
9518 fc.func = fp;
|
|
|
9519 fc.argcount = argcount;
|
|
|
9520 fc.argvars = argvars;
|
|
|
9521 fc.retvar = retvar;
|
|
|
9522 retvar->var_val.var_number = 0;
|
|
|
9523 fc.linenr = 0;
|
|
|
9524 fc.returned = FALSE;
|
|
|
9525 fc.level = ex_nesting_level;
|
|
|
9526 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
9527 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
9528 fc.a0_var.var_name = NULL;
|
|
|
9529 current_funccal = &fc;
|
|
|
9530 fc.firstline.var_type = VAR_NUMBER;
|
|
|
9531 fc.firstline.var_val.var_number = firstline;
|
|
|
9532 fc.firstline.var_name = NULL;
|
|
|
9533 fc.lastline.var_type = VAR_NUMBER;
|
|
|
9534 fc.lastline.var_val.var_number = lastline;
|
|
|
9535 fc.lastline.var_name = NULL;
|
|
|
9536 /* Check if this function has a breakpoint. */
|
|
|
9537 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
9538 fc.dbg_tick = debug_tick;
|
|
|
9539
|
|
|
9540 /* Don't redraw while executing the function. */
|
|
|
9541 ++RedrawingDisabled;
|
|
|
9542 save_sourcing_name = sourcing_name;
|
|
|
9543 save_sourcing_lnum = sourcing_lnum;
|
|
|
9544 sourcing_lnum = 1;
|
|
|
9545 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
9546 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
9547 if (sourcing_name != NULL)
|
|
|
9548 {
|
|
|
9549 if (save_sourcing_name != NULL
|
|
|
9550 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
9551 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
9552 else
|
|
|
9553 STRCPY(sourcing_name, "function ");
|
|
|
9554 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
9555
|
|
|
9556 if (p_verbose >= 12)
|
|
|
9557 {
|
|
|
9558 ++no_wait_return;
|
|
|
9559 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9560 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
9561 if (p_verbose >= 14)
|
|
|
9562 {
|
|
|
9563 int i;
|
|
|
9564 char_u buf[MSG_BUF_LEN];
|
|
|
9565
|
|
|
9566 msg_puts((char_u *)"(");
|
|
|
9567 for (i = 0; i < argcount; ++i)
|
|
|
9568 {
|
|
|
9569 if (i > 0)
|
|
|
9570 msg_puts((char_u *)", ");
|
|
|
9571 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
9572 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
9573 else
|
|
|
9574 {
|
|
|
9575 trunc_string(get_var_string(&argvars[i]),
|
|
|
9576 buf, MSG_BUF_LEN);
|
|
|
9577 msg_puts((char_u *)"\"");
|
|
|
9578 msg_puts(buf);
|
|
|
9579 msg_puts((char_u *)"\"");
|
|
|
9580 }
|
|
|
9581 }
|
|
|
9582 msg_puts((char_u *)")");
|
|
|
9583 }
|
|
|
9584 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9585 cmdline_row = msg_row;
|
|
|
9586 --no_wait_return;
|
|
|
9587 }
|
|
|
9588 }
|
|
|
9589 save_current_SID = current_SID;
|
|
|
9590 current_SID = fp->script_ID;
|
|
|
9591 save_did_emsg = did_emsg;
|
|
|
9592 did_emsg = FALSE;
|
|
|
9593
|
|
|
9594 /* call do_cmdline() to execute the lines */
|
|
|
9595 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
9596 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
9597
|
|
|
9598 --RedrawingDisabled;
|
|
|
9599
|
|
|
9600 /* when the function was aborted because of an error, return -1 */
|
|
|
9601 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
9602 {
|
|
|
9603 clear_var(retvar);
|
|
|
9604 retvar->var_type = VAR_NUMBER;
|
|
|
9605 retvar->var_val.var_number = -1;
|
|
|
9606 }
|
|
|
9607
|
|
|
9608 /* when being verbose, mention the return value */
|
|
|
9609 if (p_verbose >= 12)
|
|
|
9610 {
|
|
|
9611 char_u *sn, *val;
|
|
|
9612
|
|
|
9613 ++no_wait_return;
|
|
|
9614 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9615
|
|
|
9616 /* Make sure the output fits in IObuff. */
|
|
|
9617 sn = sourcing_name;
|
|
|
9618 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
9619 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
9620
|
|
|
9621 if (aborting())
|
|
|
9622 smsg((char_u *)_("%s aborted"), sn);
|
|
|
9623 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
9624 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
9625 (long)fc.retvar->var_val.var_number);
|
|
|
9626 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
9627 {
|
|
|
9628 val = get_var_string(fc.retvar);
|
|
|
9629 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
9630 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
9631 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
9632 }
|
|
|
9633 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9634 cmdline_row = msg_row;
|
|
|
9635 --no_wait_return;
|
|
|
9636 }
|
|
|
9637
|
|
|
9638 vim_free(sourcing_name);
|
|
|
9639 sourcing_name = save_sourcing_name;
|
|
|
9640 sourcing_lnum = save_sourcing_lnum;
|
|
|
9641 current_SID = save_current_SID;
|
|
|
9642
|
|
|
9643 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
9644 {
|
|
|
9645 ++no_wait_return;
|
|
|
9646 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9647 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
9648 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9649 cmdline_row = msg_row;
|
|
|
9650 --no_wait_return;
|
|
|
9651 }
|
|
|
9652
|
|
|
9653 did_emsg |= save_did_emsg;
|
|
|
9654 current_funccal = save_fcp;
|
|
|
9655
|
|
|
9656 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
9657 --depth;
|
|
|
9658 }
|
|
|
9659
|
|
|
9660 /*
|
|
|
9661 * ":return [expr]"
|
|
|
9662 */
|
|
|
9663 void
|
|
|
9664 ex_return(eap)
|
|
|
9665 exarg_T *eap;
|
|
|
9666 {
|
|
|
9667 char_u *arg = eap->arg;
|
|
|
9668 var retvar;
|
|
|
9669 int returning = FALSE;
|
|
|
9670
|
|
|
9671 if (current_funccal == NULL)
|
|
|
9672 {
|
|
|
9673 EMSG(_("E133: :return not inside a function"));
|
|
|
9674 return;
|
|
|
9675 }
|
|
|
9676
|
|
|
9677 if (eap->skip)
|
|
|
9678 ++emsg_skip;
|
|
|
9679
|
|
|
9680 eap->nextcmd = NULL;
|
|
|
9681 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9682 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
9683 {
|
|
|
9684 if (!eap->skip)
|
|
|
9685 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
9686 else
|
|
|
9687 clear_var(&retvar);
|
|
|
9688 }
|
|
|
9689 /* It's safer to return also on error. */
|
|
|
9690 else if (!eap->skip)
|
|
|
9691 {
|
|
|
9692 /*
|
|
|
9693 * Return unless the expression evaluation has been cancelled due to an
|
|
|
9694 * aborting error, an interrupt, or an exception.
|
|
|
9695 */
|
|
|
9696 if (!aborting())
|
|
|
9697 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
9698 }
|
|
|
9699
|
|
|
9700 /* When skipping or the return gets pending, advance to the next command
|
|
|
9701 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
9702 * Following lines will be ignored by get_func_line(). */
|
|
|
9703 if (returning)
|
|
|
9704 eap->nextcmd = NULL;
|
|
|
9705 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
9706 eap->nextcmd = check_nextcmd(arg);
|
|
|
9707
|
|
|
9708 if (eap->skip)
|
|
|
9709 --emsg_skip;
|
|
|
9710 }
|
|
|
9711
|
|
|
9712 /*
|
|
|
9713 * Return from a function. Possibly makes the return pending. Also called
|
|
|
9714 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
9715 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
9716 * when called due to a ":return" command. "value" may point to a variable
|
|
|
9717 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
9718 * FALSE when the return gets pending.
|
|
|
9719 */
|
|
|
9720 int
|
|
|
9721 do_return(eap, reanimate, is_cmd, value)
|
|
|
9722 exarg_T *eap;
|
|
|
9723 int reanimate;
|
|
|
9724 int is_cmd;
|
|
|
9725 void *value;
|
|
|
9726 {
|
|
|
9727 int idx;
|
|
|
9728 struct condstack *cstack = eap->cstack;
|
|
|
9729
|
|
|
9730 if (reanimate)
|
|
|
9731 /* Undo the return. */
|
|
|
9732 current_funccal->returned = FALSE;
|
|
|
9733
|
|
|
9734 /*
|
|
|
9735 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
9736 * not in its finally clause (which then is to be executed next) is found.
|
|
|
9737 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
9738 * Otherwise, return normally.
|
|
|
9739 */
|
|
|
9740 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
9741 if (idx >= 0)
|
|
|
9742 {
|
|
|
9743 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
9744
|
|
|
9745 if (!is_cmd && !reanimate)
|
|
|
9746 /* A pending return again gets pending. "value" points to an
|
|
|
9747 * allocated variable with the value of the original ":return"'s
|
|
|
9748 * argument if present or is NULL else. */
|
|
|
9749 cstack->cs_retvar[idx] = value;
|
|
|
9750 else
|
|
|
9751 {
|
|
|
9752 /* When undoing a return in order to make it pending, get the stored
|
|
|
9753 * return value. */
|
|
|
9754 if (reanimate)
|
|
|
9755 value = current_funccal->retvar;
|
|
|
9756
|
|
|
9757 if (value != NULL)
|
|
|
9758 {
|
|
|
9759 /* Store the value of the pending return. */
|
|
|
9760 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
9761 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
9762 else
|
|
|
9763 EMSG(_(e_outofmem));
|
|
|
9764 }
|
|
|
9765 else
|
|
|
9766 cstack->cs_retvar[idx] = NULL;
|
|
|
9767
|
|
|
9768 if (reanimate)
|
|
|
9769 {
|
|
|
9770 /* The pending return value could be overwritten by a ":return"
|
|
|
9771 * without argument in a finally clause; reset the default
|
|
|
9772 * return value. */
|
|
|
9773 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
9774 current_funccal->retvar->var_val.var_number = 0;
|
|
|
9775 }
|
|
|
9776 }
|
|
|
9777 report_make_pending(CSTP_RETURN, value);
|
|
|
9778 }
|
|
|
9779 else
|
|
|
9780 {
|
|
|
9781 current_funccal->returned = TRUE;
|
|
|
9782
|
|
|
9783 /* If the return is carried out now, store the return value. For
|
|
|
9784 * a return immediately after reanimation, the value is already
|
|
|
9785 * there. */
|
|
|
9786 if (!reanimate && value != NULL)
|
|
|
9787 {
|
|
|
9788 clear_var(current_funccal->retvar);
|
|
|
9789 *current_funccal->retvar = *(VAR)value;
|
|
|
9790 if (!is_cmd)
|
|
|
9791 vim_free(value);
|
|
|
9792 }
|
|
|
9793 }
|
|
|
9794
|
|
|
9795 return idx < 0;
|
|
|
9796 }
|
|
|
9797
|
|
|
9798 /*
|
|
|
9799 * Free the variable with a pending return value.
|
|
|
9800 */
|
|
|
9801 void
|
|
|
9802 discard_pending_return(retvar)
|
|
|
9803 void *retvar;
|
|
|
9804 {
|
|
|
9805 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
9806 * use free_var() to clear and free it. */
|
|
|
9807 clear_var((VAR)retvar);
|
|
|
9808 vim_free(retvar);
|
|
|
9809 }
|
|
|
9810
|
|
|
9811 /*
|
|
|
9812 * Generate a return command for producing the value of "retvar". The result
|
|
|
9813 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
9814 */
|
|
|
9815 char_u *
|
|
|
9816 get_return_cmd(retvar)
|
|
|
9817 void *retvar;
|
|
|
9818 {
|
|
|
9819 char_u *s = IObuff;
|
|
|
9820
|
|
|
9821 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
9822 s = (char_u *)":return";
|
|
|
9823 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
9824 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
9825 ((VAR)retvar)->var_val.var_string);
|
|
|
9826 else
|
|
|
9827 sprintf((char *)IObuff, ":return %ld",
|
|
|
9828 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
9829 return vim_strsave(s);
|
|
|
9830 }
|
|
|
9831
|
|
|
9832 /*
|
|
|
9833 * Get next function line.
|
|
|
9834 * Called by do_cmdline() to get the next line.
|
|
|
9835 * Returns allocated string, or NULL for end of function.
|
|
|
9836 */
|
|
|
9837 /* ARGSUSED */
|
|
|
9838 char_u *
|
|
|
9839 get_func_line(c, cookie, indent)
|
|
|
9840 int c; /* not used */
|
|
|
9841 void *cookie;
|
|
|
9842 int indent; /* not used */
|
|
|
9843 {
|
|
|
9844 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9845 char_u *retval;
|
|
|
9846 garray_T *gap; /* growarray with function lines */
|
|
|
9847
|
|
|
9848 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
9849 if (fcp->dbg_tick != debug_tick)
|
|
|
9850 {
|
|
|
9851 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9852 sourcing_lnum);
|
|
|
9853 fcp->dbg_tick = debug_tick;
|
|
|
9854 }
|
|
|
9855
|
|
|
9856 gap = &fcp->func->lines;
|
|
|
9857 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9858 retval = NULL;
|
|
|
9859 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
9860 retval = NULL;
|
|
|
9861 else
|
|
|
9862 {
|
|
|
9863 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
9864 sourcing_lnum = fcp->linenr;
|
|
|
9865 }
|
|
|
9866
|
|
|
9867 /* Did we encounter a breakpoint? */
|
|
|
9868 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
9869 {
|
|
|
9870 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
9871 /* Find next breakpoint. */
|
|
|
9872 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9873 sourcing_lnum);
|
|
|
9874 fcp->dbg_tick = debug_tick;
|
|
|
9875 }
|
|
|
9876
|
|
|
9877 return retval;
|
|
|
9878 }
|
|
|
9879
|
|
|
9880 /*
|
|
|
9881 * Return TRUE if the currently active function should be ended, because a
|
|
|
9882 * return was encountered or an error occured. Used inside a ":while".
|
|
|
9883 */
|
|
|
9884 int
|
|
|
9885 func_has_ended(cookie)
|
|
|
9886 void *cookie;
|
|
|
9887 {
|
|
|
9888 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9889
|
|
|
9890 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
9891 * an error inside a try conditional. */
|
|
|
9892 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9893 || fcp->returned);
|
|
|
9894 }
|
|
|
9895
|
|
|
9896 /*
|
|
|
9897 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
9898 */
|
|
|
9899 int
|
|
|
9900 func_has_abort(cookie)
|
|
|
9901 void *cookie;
|
|
|
9902 {
|
|
|
9903 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
9904 }
|
|
|
9905
|
|
|
9906 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
9907 typedef enum
|
|
|
9908 {
|
|
|
9909 VAR_FLAVOUR_DEFAULT,
|
|
|
9910 VAR_FLAVOUR_SESSION,
|
|
|
9911 VAR_FLAVOUR_VIMINFO
|
|
|
9912 } var_flavour_T;
|
|
|
9913
|
|
|
9914 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
9915
|
|
|
9916 static var_flavour_T
|
|
|
9917 var_flavour(varname)
|
|
|
9918 char_u *varname;
|
|
|
9919 {
|
|
|
9920 char_u *p = varname;
|
|
|
9921
|
|
|
9922 if (ASCII_ISUPPER(*p))
|
|
|
9923 {
|
|
|
9924 while (*(++p))
|
|
|
9925 if (ASCII_ISLOWER(*p))
|
|
|
9926 return VAR_FLAVOUR_SESSION;
|
|
|
9927 return VAR_FLAVOUR_VIMINFO;
|
|
|
9928 }
|
|
|
9929 else
|
|
|
9930 return VAR_FLAVOUR_DEFAULT;
|
|
|
9931 }
|
|
|
9932 #endif
|
|
|
9933
|
|
|
9934 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
9935 /*
|
|
|
9936 * Restore global vars that start with a capital from the viminfo file
|
|
|
9937 */
|
|
|
9938 int
|
|
|
9939 read_viminfo_varlist(virp, writing)
|
|
|
9940 vir_T *virp;
|
|
|
9941 int writing;
|
|
|
9942 {
|
|
|
9943 char_u *tab;
|
|
|
9944 int is_string = FALSE;
|
|
|
9945 VAR varp = NULL;
|
|
|
9946 char_u *val;
|
|
|
9947
|
|
|
9948 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
9949 {
|
|
|
9950 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
9951 if (tab != NULL)
|
|
|
9952 {
|
|
|
9953 *tab++ = '\0'; /* isolate the variable name */
|
|
|
9954 if (*tab == 'S') /* string var */
|
|
|
9955 is_string = TRUE;
|
|
|
9956
|
|
|
9957 tab = vim_strchr(tab, '\t');
|
|
|
9958 if (tab != NULL)
|
|
|
9959 {
|
|
|
9960 /* create a nameless variable to hold the value */
|
|
|
9961 if (is_string)
|
|
|
9962 {
|
|
|
9963 val = viminfo_readstring(virp,
|
|
|
9964 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
9965 if (val != NULL)
|
|
|
9966 varp = alloc_string_var(val);
|
|
|
9967 }
|
|
|
9968 else
|
|
|
9969 {
|
|
|
9970 varp = alloc_var();
|
|
|
9971 if (varp != NULL)
|
|
|
9972 {
|
|
|
9973 varp->var_type = VAR_NUMBER;
|
|
|
9974 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
9975 }
|
|
|
9976 }
|
|
|
9977 /* assign the value to the variable */
|
|
|
9978 if (varp != NULL)
|
|
|
9979 {
|
|
|
9980 set_var(virp->vir_line + 1, varp);
|
|
|
9981 free_var(varp);
|
|
|
9982 }
|
|
|
9983 }
|
|
|
9984 }
|
|
|
9985 }
|
|
|
9986
|
|
|
9987 return viminfo_readline(virp);
|
|
|
9988 }
|
|
|
9989
|
|
|
9990 /*
|
|
|
9991 * Write global vars that start with a capital to the viminfo file
|
|
|
9992 */
|
|
|
9993 void
|
|
|
9994 write_viminfo_varlist(fp)
|
|
|
9995 FILE *fp;
|
|
|
9996 {
|
|
|
9997 garray_T *gap = &variables; /* global variable */
|
|
|
9998 VAR this_var;
|
|
|
9999 int i;
|
|
|
10000
|
|
|
10001 if (find_viminfo_parameter('!') == NULL)
|
|
|
10002 return;
|
|
|
10003
|
|
|
10004 fprintf(fp, _("\n# global variables:\n"));
|
|
|
10005 for (i = gap->ga_len; --i >= 0; )
|
|
|
10006 {
|
|
|
10007 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10008 if (this_var->var_name != NULL
|
|
|
10009 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
10010 {
|
|
|
10011 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
10012 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
10013 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
10014 }
|
|
|
10015 }
|
|
|
10016 }
|
|
|
10017 #endif
|
|
|
10018
|
|
|
10019 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
10020 int
|
|
|
10021 store_session_globals(fd)
|
|
|
10022 FILE *fd;
|
|
|
10023 {
|
|
|
10024 garray_T *gap = &variables; /* global variable */
|
|
|
10025 VAR this_var;
|
|
|
10026 int i;
|
|
|
10027 char_u *p, *t;
|
|
|
10028
|
|
|
10029 for (i = gap->ga_len; --i >= 0; )
|
|
|
10030 {
|
|
|
10031 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10032 if (this_var->var_name != NULL)
|
|
|
10033 {
|
|
|
10034 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10035 {
|
|
|
10036 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10037 * CR into \n and \r. */
|
|
|
10038 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10039 (char_u *)"\\\"\n\r");
|
|
|
10040 if (p == NULL) /* out of memory */
|
|
|
10041 continue;
|
|
|
10042 for (t = p; *t != NUL; ++t)
|
|
|
10043 if (*t == '\n')
|
|
|
10044 *t = 'n';
|
|
|
10045 else if (*t == '\r')
|
|
|
10046 *t = 'r';
|
|
|
10047 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10048 this_var->var_name,
|
|
|
10049 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10050 p,
|
|
|
10051 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10052 || put_eol(fd) == FAIL)
|
|
|
10053 {
|
|
|
10054 vim_free(p);
|
|
|
10055 return FAIL;
|
|
|
10056 }
|
|
|
10057 vim_free(p);
|
|
|
10058 }
|
|
|
10059
|
|
|
10060 }
|
|
|
10061 }
|
|
|
10062 return OK;
|
|
|
10063 }
|
|
|
10064 #endif
|
|
|
10065
|
|
|
10066 #endif /* FEAT_EVAL */
|
|
|
10067
|
|
|
10068 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10069
|
|
|
10070
|
|
|
10071 #ifdef WIN3264
|
|
|
10072 /*
|
|
|
10073 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10074 */
|
|
|
10075 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10076 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10077 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10078
|
|
|
10079 /*
|
|
|
10080 * Get the short pathname of a file.
|
|
|
10081 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10082 */
|
|
|
10083 static int
|
|
|
10084 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10085 char_u **fnamep;
|
|
|
10086 char_u **bufp;
|
|
|
10087 int *fnamelen;
|
|
|
10088 {
|
|
|
10089 int l,len;
|
|
|
10090 char_u *newbuf;
|
|
|
10091
|
|
|
10092 len = *fnamelen;
|
|
|
10093
|
|
|
10094 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10095 if (l > len - 1)
|
|
|
10096 {
|
|
|
10097 /* If that doesn't work (not enough space), then save the string
|
|
|
10098 * and try again with a new buffer big enough
|
|
|
10099 */
|
|
|
10100 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10101 if (newbuf == NULL)
|
|
|
10102 return 0;
|
|
|
10103
|
|
|
10104 vim_free(*bufp);
|
|
|
10105 *fnamep = *bufp = newbuf;
|
|
|
10106
|
|
|
10107 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10108
|
|
|
10109 /* Really should always succeed, as the buffer is big enough */
|
|
|
10110 }
|
|
|
10111
|
|
|
10112 *fnamelen = l;
|
|
|
10113 return 1;
|
|
|
10114 }
|
|
|
10115
|
|
|
10116 /*
|
|
|
10117 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10118 * Doesn't copy over the end of the buffer passed in.
|
|
|
10119 */
|
|
|
10120 static int
|
|
|
10121 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10122 char_u **fname;
|
|
|
10123 char_u **bufp;
|
|
|
10124 int *fnamelen;
|
|
|
10125 {
|
|
|
10126 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10127 char_u ch;
|
|
|
10128 int l,len,len2,plen,slen;
|
|
|
10129
|
|
|
10130 /* Make a copy */
|
|
|
10131 len2 = *fnamelen;
|
|
|
10132 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10133 pbuf3 = NULL;
|
|
|
10134
|
|
|
10135 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10136 slen = 1;
|
|
|
10137 plen = len2;
|
|
|
10138
|
|
|
10139 l = 0;
|
|
|
10140 if (vim_ispathsep(*s))
|
|
|
10141 {
|
|
|
10142 --s;
|
|
|
10143 ++slen;
|
|
|
10144 --plen;
|
|
|
10145 }
|
|
|
10146
|
|
|
10147 do
|
|
|
10148 {
|
|
|
10149 /* Go back one path-seperator */
|
|
|
10150 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10151 {
|
|
|
10152 --s;
|
|
|
10153 ++slen;
|
|
|
10154 --plen;
|
|
|
10155 }
|
|
|
10156 if (s <= pbuf2)
|
|
|
10157 break;
|
|
|
10158
|
|
|
10159 /* Remeber the character that is about to be blatted */
|
|
|
10160 ch = *s;
|
|
|
10161 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10162
|
|
|
10163 /* Try it in situ */
|
|
|
10164 p = pbuf2;
|
|
|
10165 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10166 {
|
|
|
10167 vim_free(pbuf2);
|
|
|
10168 return -1;
|
|
|
10169 }
|
|
|
10170 *s = ch; /* Preserve the string */
|
|
|
10171 } while (plen == 0);
|
|
|
10172
|
|
|
10173 if (plen > 0)
|
|
|
10174 {
|
|
|
10175 /* Remeber the length of the new string. */
|
|
|
10176 *fnamelen = len = plen + slen;
|
|
|
10177 vim_free(*bufp);
|
|
|
10178 if (len > len2)
|
|
|
10179 {
|
|
|
10180 /* If there's not enough space in the currently allocated string,
|
|
|
10181 * then copy it to a buffer big enough.
|
|
|
10182 */
|
|
|
10183 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10184 if (*fname == NULL)
|
|
|
10185 return -1;
|
|
|
10186 }
|
|
|
10187 else
|
|
|
10188 {
|
|
|
10189 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10190 *fname = *bufp = pbuf2;
|
|
|
10191 if (p != pbuf2)
|
|
|
10192 strncpy(*fname, p, plen);
|
|
|
10193 pbuf2 = NULL;
|
|
|
10194 }
|
|
|
10195 /* Concat the next bit */
|
|
|
10196 strncpy(*fname + plen, s, slen);
|
|
|
10197 (*fname)[len] = '\0';
|
|
|
10198 }
|
|
|
10199 vim_free(pbuf3);
|
|
|
10200 vim_free(pbuf2);
|
|
|
10201 return 0;
|
|
|
10202 }
|
|
|
10203
|
|
|
10204 /*
|
|
|
10205 * Get a pathname for a partial path.
|
|
|
10206 */
|
|
|
10207 static int
|
|
|
10208 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10209 char_u **fnamep;
|
|
|
10210 char_u **bufp;
|
|
|
10211 int *fnamelen;
|
|
|
10212 {
|
|
|
10213 int sepcount, len, tflen;
|
|
|
10214 char_u *p;
|
|
|
10215 char_u *pbuf, *tfname;
|
|
|
10216 int hasTilde;
|
|
|
10217
|
|
|
10218 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10219 * of the path to return.
|
|
|
10220 */
|
|
|
10221 sepcount = 0;
|
|
|
10222 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10223 if (vim_ispathsep(*p))
|
|
|
10224 ++sepcount;
|
|
|
10225
|
|
|
10226 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10227 hasTilde = (**fnamep == '~');
|
|
|
10228 if (hasTilde)
|
|
|
10229 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10230 else
|
|
|
10231 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10232
|
|
|
10233 len = tflen = STRLEN(tfname);
|
|
|
10234
|
|
|
10235 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10236 return -1;
|
|
|
10237
|
|
|
10238 if (len == 0)
|
|
|
10239 {
|
|
|
10240 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10241 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10242 * there's not a lot of point in guessing what it might be.
|
|
|
10243 */
|
|
|
10244 len = tflen;
|
|
|
10245 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10246 return -1;
|
|
|
10247 }
|
|
|
10248
|
|
|
10249 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10250 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10251 if (vim_ispathsep(*p))
|
|
|
10252 {
|
|
|
10253 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10254 break;
|
|
|
10255 else
|
|
|
10256 sepcount --;
|
|
|
10257 }
|
|
|
10258 if (hasTilde)
|
|
|
10259 {
|
|
|
10260 --p;
|
|
|
10261 if (p >= tfname)
|
|
|
10262 *p = '~';
|
|
|
10263 else
|
|
|
10264 return -1;
|
|
|
10265 }
|
|
|
10266 else
|
|
|
10267 ++p;
|
|
|
10268
|
|
|
10269 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10270 vim_free(*bufp);
|
|
|
10271 *fnamelen = (int)STRLEN(p);
|
|
|
10272 *bufp = pbuf;
|
|
|
10273 *fnamep = p;
|
|
|
10274
|
|
|
10275 return 0;
|
|
|
10276 }
|
|
|
10277 #endif /* WIN3264 */
|
|
|
10278
|
|
|
10279 /*
|
|
|
10280 * Adjust a filename, according to a string of modifiers.
|
|
|
10281 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10282 * determined by *fnamelen.
|
|
|
10283 * Returns valid flags.
|
|
|
10284 * When there is an error, *fnamep is set to NULL.
|
|
|
10285 */
|
|
|
10286 int
|
|
|
10287 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10288 char_u *src; /* string with modifiers */
|
|
|
10289 int *usedlen; /* characters after src that are used */
|
|
|
10290 char_u **fnamep; /* file name so far */
|
|
|
10291 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10292 int *fnamelen; /* length of fnamep */
|
|
|
10293 {
|
|
|
10294 int valid = 0;
|
|
|
10295 char_u *tail;
|
|
|
10296 char_u *s, *p, *pbuf;
|
|
|
10297 char_u dirname[MAXPATHL];
|
|
|
10298 int c;
|
|
|
10299 int has_fullname = 0;
|
|
|
10300 #ifdef WIN3264
|
|
|
10301 int has_shortname = 0;
|
|
|
10302 #endif
|
|
|
10303
|
|
|
10304 repeat:
|
|
|
10305 /* ":p" - full path/file_name */
|
|
|
10306 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10307 {
|
|
|
10308 has_fullname = 1;
|
|
|
10309
|
|
|
10310 valid |= VALID_PATH;
|
|
|
10311 *usedlen += 2;
|
|
|
10312
|
|
|
10313 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10314 if ((*fnamep)[0] == '~'
|
|
|
10315 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10316 && ((*fnamep)[1] == '/'
|
|
|
10317 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10318 || (*fnamep)[1] == '\\'
|
|
|
10319 # endif
|
|
|
10320 || (*fnamep)[1] == NUL)
|
|
|
10321
|
|
|
10322 #endif
|
|
|
10323 )
|
|
|
10324 {
|
|
|
10325 *fnamep = expand_env_save(*fnamep);
|
|
|
10326 vim_free(*bufp); /* free any allocated file name */
|
|
|
10327 *bufp = *fnamep;
|
|
|
10328 if (*fnamep == NULL)
|
|
|
10329 return -1;
|
|
|
10330 }
|
|
|
10331
|
|
|
10332 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
10333 for (p = *fnamep; *p != NUL; ++p)
|
|
|
10334 {
|
|
|
10335 if (vim_ispathsep(*p)
|
|
|
10336 && p[1] == '.'
|
|
|
10337 && (p[2] == NUL
|
|
|
10338 || vim_ispathsep(p[2])
|
|
|
10339 || (p[2] == '.'
|
|
|
10340 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
10341 break;
|
|
|
10342 }
|
|
|
10343
|
|
|
10344 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
10345 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
10346 {
|
|
|
10347 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
10348 vim_free(*bufp); /* free any allocated file name */
|
|
|
10349 *bufp = *fnamep;
|
|
|
10350 if (*fnamep == NULL)
|
|
|
10351 return -1;
|
|
|
10352 }
|
|
|
10353
|
|
|
10354 /* Append a path separator to a directory. */
|
|
|
10355 if (mch_isdir(*fnamep))
|
|
|
10356 {
|
|
|
10357 /* Make room for one or two extra characters. */
|
|
|
10358 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
10359 vim_free(*bufp); /* free any allocated file name */
|
|
|
10360 *bufp = *fnamep;
|
|
|
10361 if (*fnamep == NULL)
|
|
|
10362 return -1;
|
|
|
10363 add_pathsep(*fnamep);
|
|
|
10364 }
|
|
|
10365 }
|
|
|
10366
|
|
|
10367 /* ":." - path relative to the current directory */
|
|
|
10368 /* ":~" - path relative to the home directory */
|
|
|
10369 /* ":8" - shortname path - postponed till after */
|
|
|
10370 while (src[*usedlen] == ':'
|
|
|
10371 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
10372 {
|
|
|
10373 *usedlen += 2;
|
|
|
10374 if (c == '8')
|
|
|
10375 {
|
|
|
10376 #ifdef WIN3264
|
|
|
10377 has_shortname = 1; /* Postpone this. */
|
|
|
10378 #endif
|
|
|
10379 continue;
|
|
|
10380 }
|
|
|
10381 pbuf = NULL;
|
|
|
10382 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10383 if (!has_fullname)
|
|
|
10384 {
|
|
|
10385 if (c == '.' && **fnamep == '~')
|
|
|
10386 p = pbuf = expand_env_save(*fnamep);
|
|
|
10387 else
|
|
|
10388 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
10389 }
|
|
|
10390 else
|
|
|
10391 p = *fnamep;
|
|
|
10392
|
|
|
10393 has_fullname = 0;
|
|
|
10394
|
|
|
10395 if (p != NULL)
|
|
|
10396 {
|
|
|
10397 if (c == '.')
|
|
|
10398 {
|
|
|
10399 mch_dirname(dirname, MAXPATHL);
|
|
|
10400 s = shorten_fname(p, dirname);
|
|
|
10401 if (s != NULL)
|
|
|
10402 {
|
|
|
10403 *fnamep = s;
|
|
|
10404 if (pbuf != NULL)
|
|
|
10405 {
|
|
|
10406 vim_free(*bufp); /* free any allocated file name */
|
|
|
10407 *bufp = pbuf;
|
|
|
10408 pbuf = NULL;
|
|
|
10409 }
|
|
|
10410 }
|
|
|
10411 }
|
|
|
10412 else
|
|
|
10413 {
|
|
|
10414 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
10415 /* Only replace it when it starts with '~' */
|
|
|
10416 if (*dirname == '~')
|
|
|
10417 {
|
|
|
10418 s = vim_strsave(dirname);
|
|
|
10419 if (s != NULL)
|
|
|
10420 {
|
|
|
10421 *fnamep = s;
|
|
|
10422 vim_free(*bufp);
|
|
|
10423 *bufp = s;
|
|
|
10424 }
|
|
|
10425 }
|
|
|
10426 }
|
|
|
10427 vim_free(pbuf);
|
|
|
10428 }
|
|
|
10429 }
|
|
|
10430
|
|
|
10431 tail = gettail(*fnamep);
|
|
|
10432 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
10433
|
|
|
10434 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
10435 /* Don't remove the first "/" or "c:\" */
|
|
|
10436 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
10437 {
|
|
|
10438 valid |= VALID_HEAD;
|
|
|
10439 *usedlen += 2;
|
|
|
10440 s = get_past_head(*fnamep);
|
|
|
10441 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
10442 --tail;
|
|
|
10443 *fnamelen = (int)(tail - *fnamep);
|
|
|
10444 #ifdef VMS
|
|
|
10445 if (*fnamelen > 0)
|
|
|
10446 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
10447 #endif
|
|
|
10448 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
10449 --tail;
|
|
|
10450 }
|
|
|
10451
|
|
|
10452 /* ":8" - shortname */
|
|
|
10453 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
10454 {
|
|
|
10455 *usedlen += 2;
|
|
|
10456 #ifdef WIN3264
|
|
|
10457 has_shortname = 1;
|
|
|
10458 #endif
|
|
|
10459 }
|
|
|
10460
|
|
|
10461 #ifdef WIN3264
|
|
|
10462 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
10463 */
|
|
|
10464 if (has_shortname)
|
|
|
10465 {
|
|
|
10466 pbuf = NULL;
|
|
|
10467 /* Copy the string if it is shortened by :h */
|
|
|
10468 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
10469 {
|
|
|
10470 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10471 if (p == 0)
|
|
|
10472 return -1;
|
|
|
10473 vim_free(*bufp);
|
|
|
10474 *bufp = *fnamep = p;
|
|
|
10475 }
|
|
|
10476
|
|
|
10477 /* Split into two implementations - makes it easier. First is where
|
|
|
10478 * there isn't a full name already, second is where there is.
|
|
|
10479 */
|
|
|
10480 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
10481 {
|
|
|
10482 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
10483 return -1;
|
|
|
10484 }
|
|
|
10485 else
|
|
|
10486 {
|
|
|
10487 int l;
|
|
|
10488
|
|
|
10489 /* Simple case, already have the full-name
|
|
|
10490 * Nearly always shorter, so try first time. */
|
|
|
10491 l = *fnamelen;
|
|
|
10492 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
10493 return -1;
|
|
|
10494
|
|
|
10495 if (l == 0)
|
|
|
10496 {
|
|
|
10497 /* Couldn't find the filename.. search the paths.
|
|
|
10498 */
|
|
|
10499 l = *fnamelen;
|
|
|
10500 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
10501 return -1;
|
|
|
10502 }
|
|
|
10503 *fnamelen = l;
|
|
|
10504 }
|
|
|
10505 }
|
|
|
10506 #endif /* WIN3264 */
|
|
|
10507
|
|
|
10508 /* ":t" - tail, just the basename */
|
|
|
10509 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
10510 {
|
|
|
10511 *usedlen += 2;
|
|
|
10512 *fnamelen -= (int)(tail - *fnamep);
|
|
|
10513 *fnamep = tail;
|
|
|
10514 }
|
|
|
10515
|
|
|
10516 /* ":e" - extension, can be repeated */
|
|
|
10517 /* ":r" - root, without extension, can be repeated */
|
|
|
10518 while (src[*usedlen] == ':'
|
|
|
10519 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
10520 {
|
|
|
10521 /* find a '.' in the tail:
|
|
|
10522 * - for second :e: before the current fname
|
|
|
10523 * - otherwise: The last '.'
|
|
|
10524 */
|
|
|
10525 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
10526 s = *fnamep - 2;
|
|
|
10527 else
|
|
|
10528 s = *fnamep + *fnamelen - 1;
|
|
|
10529 for ( ; s > tail; --s)
|
|
|
10530 if (s[0] == '.')
|
|
|
10531 break;
|
|
|
10532 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
10533 {
|
|
|
10534 if (s > tail)
|
|
|
10535 {
|
|
|
10536 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
10537 *fnamep = s + 1;
|
|
|
10538 #ifdef VMS
|
|
|
10539 /* cut version from the extension */
|
|
|
10540 s = *fnamep + *fnamelen - 1;
|
|
|
10541 for ( ; s > *fnamep; --s)
|
|
|
10542 if (s[0] == ';')
|
|
|
10543 break;
|
|
|
10544 if (s > *fnamep)
|
|
|
10545 *fnamelen = s - *fnamep;
|
|
|
10546 #endif
|
|
|
10547 }
|
|
|
10548 else if (*fnamep <= tail)
|
|
|
10549 *fnamelen = 0;
|
|
|
10550 }
|
|
|
10551 else /* :r */
|
|
|
10552 {
|
|
|
10553 if (s > tail) /* remove one extension */
|
|
|
10554 *fnamelen = (int)(s - *fnamep);
|
|
|
10555 }
|
|
|
10556 *usedlen += 2;
|
|
|
10557 }
|
|
|
10558
|
|
|
10559 /* ":s?pat?foo?" - substitute */
|
|
|
10560 /* ":gs?pat?foo?" - global substitute */
|
|
|
10561 if (src[*usedlen] == ':'
|
|
|
10562 && (src[*usedlen + 1] == 's'
|
|
|
10563 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
10564 {
|
|
|
10565 char_u *str;
|
|
|
10566 char_u *pat;
|
|
|
10567 char_u *sub;
|
|
|
10568 int sep;
|
|
|
10569 char_u *flags;
|
|
|
10570 int didit = FALSE;
|
|
|
10571
|
|
|
10572 flags = (char_u *)"";
|
|
|
10573 s = src + *usedlen + 2;
|
|
|
10574 if (src[*usedlen + 1] == 'g')
|
|
|
10575 {
|
|
|
10576 flags = (char_u *)"g";
|
|
|
10577 ++s;
|
|
|
10578 }
|
|
|
10579
|
|
|
10580 sep = *s++;
|
|
|
10581 if (sep)
|
|
|
10582 {
|
|
|
10583 /* find end of pattern */
|
|
|
10584 p = vim_strchr(s, sep);
|
|
|
10585 if (p != NULL)
|
|
|
10586 {
|
|
|
10587 pat = vim_strnsave(s, (int)(p - s));
|
|
|
10588 if (pat != NULL)
|
|
|
10589 {
|
|
|
10590 s = p + 1;
|
|
|
10591 /* find end of substitution */
|
|
|
10592 p = vim_strchr(s, sep);
|
|
|
10593 if (p != NULL)
|
|
|
10594 {
|
|
|
10595 sub = vim_strnsave(s, (int)(p - s));
|
|
|
10596 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10597 if (sub != NULL && str != NULL)
|
|
|
10598 {
|
|
|
10599 *usedlen = (int)(p + 1 - src);
|
|
|
10600 s = do_string_sub(str, pat, sub, flags);
|
|
|
10601 if (s != NULL)
|
|
|
10602 {
|
|
|
10603 *fnamep = s;
|
|
|
10604 *fnamelen = (int)STRLEN(s);
|
|
|
10605 vim_free(*bufp);
|
|
|
10606 *bufp = s;
|
|
|
10607 didit = TRUE;
|
|
|
10608 }
|
|
|
10609 }
|
|
|
10610 vim_free(sub);
|
|
|
10611 vim_free(str);
|
|
|
10612 }
|
|
|
10613 vim_free(pat);
|
|
|
10614 }
|
|
|
10615 }
|
|
|
10616 /* after using ":s", repeat all the modifiers */
|
|
|
10617 if (didit)
|
|
|
10618 goto repeat;
|
|
|
10619 }
|
|
|
10620 }
|
|
|
10621
|
|
|
10622 return valid;
|
|
|
10623 }
|
|
|
10624
|
|
|
10625 /*
|
|
|
10626 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
10627 * "flags" can be "g" to do a global substitute.
|
|
|
10628 * Returns an allocated string, NULL for error.
|
|
|
10629 */
|
|
|
10630 char_u *
|
|
|
10631 do_string_sub(str, pat, sub, flags)
|
|
|
10632 char_u *str;
|
|
|
10633 char_u *pat;
|
|
|
10634 char_u *sub;
|
|
|
10635 char_u *flags;
|
|
|
10636 {
|
|
|
10637 int sublen;
|
|
|
10638 regmatch_T regmatch;
|
|
|
10639 int i;
|
|
|
10640 int do_all;
|
|
|
10641 char_u *tail;
|
|
|
10642 garray_T ga;
|
|
|
10643 char_u *ret;
|
|
|
10644 char_u *save_cpo;
|
|
|
10645
|
|
|
10646 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
10647 save_cpo = p_cpo;
|
|
|
10648 p_cpo = (char_u *)"";
|
|
|
10649
|
|
|
10650 ga_init2(&ga, 1, 200);
|
|
|
10651
|
|
|
10652 do_all = (flags[0] == 'g');
|
|
|
10653
|
|
|
10654 regmatch.rm_ic = p_ic;
|
|
|
10655 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
10656 if (regmatch.regprog != NULL)
|
|
|
10657 {
|
|
|
10658 tail = str;
|
|
|
10659 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
10660 {
|
|
|
10661 /*
|
|
|
10662 * Get some space for a temporary buffer to do the substitution
|
|
|
10663 * into. It will contain:
|
|
|
10664 * - The text up to where the match is.
|
|
|
10665 * - The substituted text.
|
|
|
10666 * - The text after the match.
|
|
|
10667 */
|
|
|
10668 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
10669 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
10670 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
10671 {
|
|
|
10672 ga_clear(&ga);
|
|
|
10673 break;
|
|
|
10674 }
|
|
|
10675
|
|
|
10676 /* copy the text up to where the match is */
|
|
|
10677 i = (int)(regmatch.startp[0] - tail);
|
|
|
10678 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
10679 /* add the substituted text */
|
|
|
10680 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
10681 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
10682 ga.ga_len += i + sublen - 1;
|
|
|
10683 ga.ga_room -= i + sublen - 1;
|
|
|
10684 /* avoid getting stuck on a match with an empty string */
|
|
|
10685 if (tail == regmatch.endp[0])
|
|
|
10686 {
|
|
|
10687 if (*tail == NUL)
|
|
|
10688 break;
|
|
|
10689 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
10690 ++ga.ga_len;
|
|
|
10691 --ga.ga_room;
|
|
|
10692 }
|
|
|
10693 else
|
|
|
10694 {
|
|
|
10695 tail = regmatch.endp[0];
|
|
|
10696 if (*tail == NUL)
|
|
|
10697 break;
|
|
|
10698 }
|
|
|
10699 if (!do_all)
|
|
|
10700 break;
|
|
|
10701 }
|
|
|
10702
|
|
|
10703 if (ga.ga_data != NULL)
|
|
|
10704 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
10705
|
|
|
10706 vim_free(regmatch.regprog);
|
|
|
10707 }
|
|
|
10708
|
|
|
10709 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
10710 ga_clear(&ga);
|
|
|
10711 p_cpo = save_cpo;
|
|
|
10712
|
|
|
10713 return ret;
|
|
|
10714 }
|
|
|
10715
|
|
|
10716 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
