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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 {
|
|
12
|
744 /* Pass a NULL or empty argument as an empty string */
|
|
|
745 if (argv[i] == NULL || *argv[i] == NUL)
|
|
|
746 {
|
|
|
747 argvars[i].var_type = VAR_STRING;
|
|
|
748 argvars[i].var_val.var_string = "";
|
|
|
749 continue;
|
|
|
750 }
|
|
|
751
|
|
7
|
752 /* Recognize a number argument, the others must be strings. */
|
|
|
753 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
754 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
755 {
|
|
|
756 argvars[i].var_type = VAR_NUMBER;
|
|
|
757 argvars[i].var_val.var_number = n;
|
|
|
758 }
|
|
|
759 else
|
|
|
760 {
|
|
|
761 argvars[i].var_type = VAR_STRING;
|
|
|
762 argvars[i].var_val.var_string = argv[i];
|
|
|
763 }
|
|
|
764 }
|
|
|
765
|
|
|
766 if (safe)
|
|
|
767 {
|
|
|
768 save_funccalp = save_funccal();
|
|
|
769 ++sandbox;
|
|
|
770 }
|
|
|
771
|
|
|
772 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
773 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
774 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
775 &doesrange, TRUE) == OK)
|
|
|
776 retval = vim_strsave(get_var_string(&retvar));
|
|
|
777
|
|
|
778 clear_var(&retvar);
|
|
|
779 vim_free(argvars);
|
|
|
780
|
|
|
781 if (safe)
|
|
|
782 {
|
|
|
783 --sandbox;
|
|
|
784 restore_funccal(save_funccalp);
|
|
|
785 }
|
|
|
786 return retval;
|
|
|
787 }
|
|
|
788 #endif
|
|
|
789
|
|
|
790 /*
|
|
|
791 * Save the current function call pointer, and set it to NULL.
|
|
|
792 * Used when executing autocommands and for ":source".
|
|
|
793 */
|
|
|
794 void *
|
|
|
795 save_funccal()
|
|
|
796 {
|
|
|
797 struct funccall *fc;
|
|
|
798
|
|
|
799 fc = current_funccal;
|
|
|
800 current_funccal = NULL;
|
|
|
801 return (void *)fc;
|
|
|
802 }
|
|
|
803
|
|
|
804 void
|
|
|
805 restore_funccal(fc)
|
|
|
806 void *fc;
|
|
|
807 {
|
|
|
808 current_funccal = (struct funccall *)fc;
|
|
|
809 }
|
|
|
810
|
|
|
811 #ifdef FEAT_FOLDING
|
|
|
812 /*
|
|
|
813 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
814 * it in "*cp". Doesn't give error messages.
|
|
|
815 */
|
|
|
816 int
|
|
|
817 eval_foldexpr(arg, cp)
|
|
|
818 char_u *arg;
|
|
|
819 int *cp;
|
|
|
820 {
|
|
|
821 var retvar;
|
|
|
822 int retval;
|
|
|
823 char_u *s;
|
|
|
824
|
|
|
825 ++emsg_off;
|
|
|
826 ++sandbox;
|
|
|
827 *cp = NUL;
|
|
|
828 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
829 retval = 0;
|
|
|
830 else
|
|
|
831 {
|
|
|
832 /* If the result is a number, just return the number. */
|
|
|
833 if (retvar.var_type == VAR_NUMBER)
|
|
|
834 retval = retvar.var_val.var_number;
|
|
|
835 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
836 || retvar.var_val.var_string == NULL)
|
|
|
837 retval = 0;
|
|
|
838 else
|
|
|
839 {
|
|
|
840 /* If the result is a string, check if there is a non-digit before
|
|
|
841 * the number. */
|
|
|
842 s = retvar.var_val.var_string;
|
|
|
843 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
844 *cp = *s++;
|
|
|
845 retval = atol((char *)s);
|
|
|
846 }
|
|
|
847 clear_var(&retvar);
|
|
|
848 }
|
|
|
849 --emsg_off;
|
|
|
850 --sandbox;
|
|
|
851
|
|
|
852 return retval;
|
|
|
853 }
|
|
|
854 #endif
|
|
|
855
|
|
|
856 #ifdef FEAT_MAGIC_BRACES
|
|
|
857 /*
|
|
|
858 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
859 * Note that this can call itself recursively, to deal with
|
|
|
860 * constructs like foo{bar}{baz}{bam}
|
|
|
861 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
862 * "in_start" ^
|
|
|
863 * "expr_start" ^
|
|
|
864 * "expr_end" ^
|
|
|
865 * "in_end" ^
|
|
|
866 *
|
|
|
867 * Returns a new allocated string, which the caller must free.
|
|
|
868 * Returns NULL for failure.
|
|
|
869 */
|
|
|
870 static char_u *
|
|
|
871 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
872 char_u *in_start;
|
|
|
873 char_u *expr_start;
|
|
|
874 char_u *expr_end;
|
|
|
875 char_u *in_end;
|
|
|
876 {
|
|
|
877 char_u c1;
|
|
|
878 char_u *retval = NULL;
|
|
|
879 char_u *temp_result;
|
|
|
880 char_u *nextcmd = NULL;
|
|
|
881
|
|
|
882 if (expr_end == NULL || in_end == NULL)
|
|
|
883 return NULL;
|
|
|
884 *expr_start = NUL;
|
|
|
885 *expr_end = NUL;
|
|
|
886 c1 = *in_end;
|
|
|
887 *in_end = NUL;
|
|
|
888
|
|
|
889 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
890 if (temp_result != NULL && nextcmd == NULL)
|
|
|
891 {
|
|
|
892 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
893 + (in_end - expr_end) + 1));
|
|
|
894
|
|
|
895 if (retval != NULL)
|
|
|
896 {
|
|
|
897 STRCPY(retval, in_start);
|
|
|
898 STRCAT(retval, temp_result);
|
|
|
899 STRCAT(retval, expr_end + 1);
|
|
|
900 }
|
|
|
901 }
|
|
|
902 vim_free(temp_result);
|
|
|
903
|
|
|
904 *in_end = c1; /* put char back for error messages */
|
|
|
905 *expr_start = '{';
|
|
|
906 *expr_end = '}';
|
|
|
907
|
|
|
908 if (retval != NULL)
|
|
|
909 {
|
|
|
910 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
911 if (expr_start != NULL)
|
|
|
912 {
|
|
|
913 /* Further expansion! */
|
|
|
914 temp_result = make_expanded_name(retval, expr_start,
|
|
|
915 expr_end, temp_result);
|
|
|
916 vim_free(retval);
|
|
|
917 retval = temp_result;
|
|
|
918 }
|
|
|
919 }
|
|
|
920
|
|
|
921 return retval;
|
|
|
922
|
|
|
923 }
|
|
|
924 #endif /* FEAT_MAGIC_BRACES */
|
|
|
925
|
|
|
926 /*
|
|
|
927 * ":let var = expr" assignment command.
|
|
|
928 * ":let var" list one variable value
|
|
|
929 * ":let" list all variable values
|
|
|
930 */
|
|
|
931 void
|
|
|
932 ex_let(eap)
|
|
|
933 exarg_T *eap;
|
|
|
934 {
|
|
|
935 char_u *arg = eap->arg;
|
|
|
936 char_u *expr;
|
|
|
937 char_u *name;
|
|
|
938 VAR varp;
|
|
|
939 var retvar;
|
|
|
940 char_u *p;
|
|
|
941 int c1 = 0, c2;
|
|
|
942 int i;
|
|
|
943 char_u *expr_start;
|
|
|
944 char_u *expr_end;
|
|
|
945 char_u *name_end;
|
|
|
946
|
|
|
947 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
948 expr = vim_strchr(name_end, '=');
|
|
|
949 if (expr == NULL)
|
|
|
950 {
|
|
|
951 if (ends_excmd(*arg))
|
|
|
952 {
|
|
|
953 if (!eap->skip)
|
|
|
954 {
|
|
|
955 /*
|
|
|
956 * List all variables.
|
|
|
957 */
|
|
|
958 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
959 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
960 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
961 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
962 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
963 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
964 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
965 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
966 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
967 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
968 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
969 list_vim_var(i);
|
|
|
970 }
|
|
|
971 }
|
|
|
972 else
|
|
|
973 {
|
|
|
974 int error = FALSE;
|
|
|
975
|
|
|
976 /*
|
|
|
977 * List variables.
|
|
|
978 */
|
|
|
979 while (!ends_excmd(*arg) && !got_int)
|
|
|
980 {
|
|
|
981 char_u *temp_string = NULL;
|
|
|
982 int arg_len;
|
|
|
983
|
|
|
984 /* Find the end of the name. */
|
|
|
985 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
986
|
|
|
987 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
988 {
|
|
|
989 emsg_severe = TRUE;
|
|
|
990 EMSG(_(e_trailing));
|
|
|
991 break;
|
|
|
992 }
|
|
|
993 if (!error && !eap->skip)
|
|
|
994 {
|
|
|
995 #ifdef FEAT_MAGIC_BRACES
|
|
|
996 if (expr_start != NULL)
|
|
|
997 {
|
|
|
998 temp_string = make_expanded_name(arg, expr_start,
|
|
|
999 expr_end, name_end);
|
|
|
1000 if (temp_string == NULL)
|
|
|
1001 {
|
|
|
1002 /*
|
|
|
1003 * Report an invalid expression in braces, unless
|
|
|
1004 * the expression evaluation has been cancelled due
|
|
|
1005 * to an aborting error, an interrupt, or an
|
|
|
1006 * exception.
|
|
|
1007 */
|
|
|
1008 if (!aborting())
|
|
|
1009 {
|
|
|
1010 emsg_severe = TRUE;
|
|
|
1011 EMSG2(_(e_invarg2), arg);
|
|
|
1012 break;
|
|
|
1013 }
|
|
|
1014 error = TRUE;
|
|
|
1015 arg = skipwhite(name_end);
|
|
|
1016 continue;
|
|
|
1017 }
|
|
|
1018 arg = temp_string;
|
|
|
1019 arg_len = STRLEN(temp_string);
|
|
|
1020 }
|
|
|
1021 else
|
|
|
1022 #endif
|
|
|
1023 {
|
|
|
1024 c1 = *name_end;
|
|
|
1025 *name_end = NUL;
|
|
|
1026 arg_len = (int)(name_end - arg);
|
|
|
1027 }
|
|
|
1028 i = find_vim_var(arg, arg_len);
|
|
|
1029 if (i >= 0)
|
|
|
1030 list_vim_var(i);
|
|
|
1031 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1032 {
|
|
|
1033 char_u numbuf[NUMBUFLEN];
|
|
|
1034
|
|
|
1035 sprintf((char *)numbuf, "%ld",
|
|
|
1036 (long)curbuf->b_changedtick);
|
|
|
1037 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1038 VAR_NUMBER, numbuf);
|
|
|
1039 }
|
|
|
1040 else
|
|
|
1041 {
|
|
|
1042 varp = find_var(arg, FALSE);
|
|
|
1043 if (varp == NULL)
|
|
|
1044 {
|
|
|
1045 /* Skip further arguments but do continue to
|
|
|
1046 * search for a trailing command. */
|
|
|
1047 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1048 error = TRUE;
|
|
|
1049 }
|
|
|
1050 else
|
|
|
1051 {
|
|
|
1052 name = vim_strchr(arg, ':');
|
|
|
1053 if (name != NULL)
|
|
|
1054 {
|
|
|
1055 /* "a:" vars have no name stored, use whole
|
|
|
1056 * arg */
|
|
|
1057 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1058 c2 = NUL;
|
|
|
1059 else
|
|
|
1060 {
|
|
|
1061 c2 = *++name;
|
|
|
1062 *name = NUL;
|
|
|
1063 }
|
|
|
1064 list_one_var(varp, arg);
|
|
|
1065 if (c2 != NUL)
|
|
|
1066 *name = c2;
|
|
|
1067 }
|
|
|
1068 else
|
|
|
1069 list_one_var(varp, (char_u *)"");
|
|
|
1070 }
|
|
|
1071 }
|
|
|
1072 #ifdef FEAT_MAGIC_BRACES
|
|
|
1073 if (expr_start != NULL)
|
|
|
1074 vim_free(temp_string);
|
|
|
1075 else
|
|
|
1076 #endif
|
|
|
1077 *name_end = c1;
|
|
|
1078 }
|
|
|
1079 arg = skipwhite(name_end);
|
|
|
1080 }
|
|
|
1081 }
|
|
|
1082 eap->nextcmd = check_nextcmd(arg);
|
|
|
1083 }
|
|
|
1084 else
|
|
|
1085 {
|
|
|
1086 if (eap->skip)
|
|
|
1087 ++emsg_skip;
|
|
|
1088 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1089 if (eap->skip)
|
|
|
1090 {
|
|
|
1091 if (i != FAIL)
|
|
|
1092 clear_var(&retvar);
|
|
|
1093 --emsg_skip;
|
|
|
1094 }
|
|
|
1095 else if (i != FAIL)
|
|
|
1096 {
|
|
|
1097 /*
|
|
|
1098 * ":let $VAR = expr": Set environment variable.
|
|
|
1099 */
|
|
|
1100 if (*arg == '$')
|
|
|
1101 {
|
|
|
1102 int len;
|
|
|
1103 int cc;
|
|
|
1104
|
|
|
1105 /* Find the end of the name. */
|
|
|
1106 ++arg;
|
|
|
1107 name = arg;
|
|
|
1108 len = get_env_len(&arg);
|
|
|
1109 if (len == 0)
|
|
|
1110 EMSG2(_(e_invarg2), name - 1);
|
|
|
1111 else
|
|
|
1112 {
|
|
|
1113 if (*skipwhite(arg) != '=')
|
|
|
1114 EMSG(_(e_letunexp));
|
|
|
1115 else
|
|
|
1116 {
|
|
|
1117 cc = name[len];
|
|
|
1118 name[len] = NUL;
|
|
|
1119 p = get_var_string(&retvar);
|
|
|
1120 vim_setenv(name, p);
|
|
|
1121 if (STRICMP(name, "HOME") == 0)
|
|
|
1122 init_homedir();
|
|
|
1123 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1124 didset_vim = FALSE;
|
|
|
1125 else if (didset_vimruntime
|
|
|
1126 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1127 didset_vimruntime = FALSE;
|
|
|
1128 name[len] = cc;
|
|
|
1129 }
|
|
|
1130 }
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 /*
|
|
|
1134 * ":let &option = expr": Set option value.
|
|
|
1135 * ":let &l:option = expr": Set local option value.
|
|
|
1136 * ":let &g:option = expr": Set global option value.
|
|
|
1137 */
|
|
|
1138 else if (*arg == '&')
|
|
|
1139 {
|
|
|
1140 int opt_flags;
|
|
|
1141
|
|
|
1142 /*
|
|
|
1143 * Find the end of the name;
|
|
|
1144 */
|
|
|
1145 p = find_option_end(&arg, &opt_flags);
|
|
|
1146 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1147 EMSG(_(e_letunexp));
|
|
|
1148 else
|
|
|
1149 {
|
|
|
1150 c1 = *p;
|
|
|
1151 *p = NUL;
|
|
|
1152 set_option_value(arg, get_var_number(&retvar),
|
|
|
1153 get_var_string(&retvar), opt_flags);
|
|
|
1154 *p = c1; /* put back for error messages */
|
|
|
1155 }
|
|
|
1156 }
|
|
|
1157
|
|
|
1158 /*
|
|
|
1159 * ":let @r = expr": Set register contents.
|
|
|
1160 */
|
|
|
1161 else if (*arg == '@')
|
|
|
1162 {
|
|
|
1163 ++arg;
|
|
|
1164 if (*skipwhite(arg + 1) != '=')
|
|
|
1165 EMSG(_(e_letunexp));
|
|
|
1166 else
|
|
|
1167 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1168 get_var_string(&retvar), -1, FALSE);
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 /*
|
|
|
1172 * ":let var = expr": Set internal variable.
|
|
|
1173 */
|
|
|
1174 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1175 {
|
|
|
1176 /* Find the end of the name. */
|
|
|
1177 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1178
|
|
|
1179 if (*skipwhite(p) != '=')
|
|
|
1180 EMSG(_(e_letunexp));
|
|
|
1181 else if (p - arg == 13
|
|
|
1182 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1183 EMSG2(_(e_readonlyvar), arg);
|
|
|
1184 #ifdef FEAT_MAGIC_BRACES
|
|
|
1185 else if (expr_start != NULL)
|
|
|
1186 {
|
|
|
1187 char_u *temp_string;
|
|
|
1188
|
|
|
1189 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1190 expr_end, p);
|
|
|
1191 if (temp_string == NULL)
|
|
|
1192 {
|
|
|
1193 /*
|
|
|
1194 * Report an invalid expression in braces, unless the
|
|
|
1195 * expression evaluation has been cancelled due to an
|
|
|
1196 * aborting error, an interrupt, or an exception.
|
|
|
1197 */
|
|
|
1198 if (!aborting())
|
|
|
1199 EMSG2(_(e_invarg2), arg);
|
|
|
1200 }
|
|
|
1201 else
|
|
|
1202 {
|
|
|
1203 set_var(temp_string, &retvar);
|
|
|
1204 vim_free(temp_string);
|
|
|
1205 }
|
|
|
1206 }
|
|
|
1207 #endif
|
|
|
1208 else
|
|
|
1209 {
|
|
|
1210 c1 = *p;
|
|
|
1211 *p = NUL;
|
|
|
1212 set_var(arg, &retvar);
|
|
|
1213 *p = c1; /* put char back for error messages */
|
|
|
1214 }
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 else
|
|
|
1218 {
|
|
|
1219 EMSG2(_(e_invarg2), arg);
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 clear_var(&retvar);
|
|
|
1223 }
|
|
|
1224 }
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1228
|
|
|
1229 void
|
|
|
1230 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1231 expand_T *xp;
|
|
|
1232 char_u *arg;
|
|
|
1233 cmdidx_T cmdidx;
|
|
|
1234 {
|
|
|
1235 int got_eq = FALSE;
|
|
|
1236 int c;
|
|
|
1237
|
|
|
1238 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1239 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1240 : EXPAND_EXPRESSION;
|
|
|
1241 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1242 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1243 {
|
|
|
1244 c = *xp->xp_pattern;
|
|
|
1245 if (c == '&')
|
|
|
1246 {
|
|
|
1247 c = xp->xp_pattern[1];
|
|
|
1248 if (c == '&')
|
|
|
1249 {
|
|
|
1250 ++xp->xp_pattern;
|
|
|
1251 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1252 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1253 }
|
|
|
1254 else if (c != ' ')
|
|
|
1255 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1256 }
|
|
|
1257 else if (c == '$')
|
|
|
1258 {
|
|
|
1259 /* environment variable */
|
|
|
1260 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1261 }
|
|
|
1262 else if (c == '=')
|
|
|
1263 {
|
|
|
1264 got_eq = TRUE;
|
|
|
1265 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1266 }
|
|
|
1267 else if (c == '<'
|
|
|
1268 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1269 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1270 {
|
|
|
1271 /* Function name can start with "<SNR>" */
|
|
|
1272 break;
|
|
|
1273 }
|
|
|
1274 else if (cmdidx != CMD_let || got_eq)
|
|
|
1275 {
|
|
|
1276 if (c == '"') /* string */
|
|
|
1277 {
|
|
|
1278 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1279 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1280 ++xp->xp_pattern;
|
|
|
1281 xp->xp_context = EXPAND_NOTHING;
|
|
|
1282 }
|
|
|
1283 else if (c == '\'') /* literal string */
|
|
|
1284 {
|
|
|
1285 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1286 /* skip */ ;
|
|
|
1287 xp->xp_context = EXPAND_NOTHING;
|
|
|
1288 }
|
|
|
1289 else if (c == '|')
|
|
|
1290 {
|
|
|
1291 if (xp->xp_pattern[1] == '|')
|
|
|
1292 {
|
|
|
1293 ++xp->xp_pattern;
|
|
|
1294 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1295 }
|
|
|
1296 else
|
|
|
1297 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1298 }
|
|
|
1299 else
|
|
|
1300 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1301 }
|
|
|
1302 else
|
|
|
1303 xp->xp_context = EXPAND_NOTHING;
|
|
|
1304 arg = xp->xp_pattern;
|
|
|
1305 if (*arg != NUL)
|
|
|
1306 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1307 /* skip */ ;
|
|
|
1308 }
|
|
|
1309 xp->xp_pattern = arg;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 #endif /* FEAT_CMDL_COMPL */
|
|
|
1313
|
|
|
1314 /*
|
|
|
1315 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1316 */
|
|
|
1317 void
|
|
|
1318 ex_call(eap)
|
|
|
1319 exarg_T *eap;
|
|
|
1320 {
|
|
|
1321 char_u *arg = eap->arg;
|
|
|
1322 char_u *startarg;
|
|
|
1323 char_u *alias;
|
|
|
1324 char_u *name;
|
|
|
1325 var retvar;
|
|
|
1326 int len;
|
|
|
1327 linenr_T lnum;
|
|
|
1328 int doesrange;
|
|
|
1329 int failed = FALSE;
|
|
|
1330
|
|
|
1331 name = arg;
|
|
|
1332 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1333 if (len == 0)
|
|
|
1334 goto end;
|
|
|
1335 if (alias != NULL)
|
|
|
1336 name = alias;
|
|
|
1337
|
|
|
1338 startarg = arg;
|
|
|
1339 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1340
|
|
|
1341 if (*startarg != '(')
|
|
|
1342 {
|
|
|
1343 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1344 goto end;
|
|
|
1345 }
|
|
|
1346
|
|
|
1347 /*
|
|
|
1348 * When skipping, evaluate the function once, to find the end of the
|
|
|
1349 * arguments.
|
|
|
1350 * When the function takes a range, this is discovered after the first
|
|
|
1351 * call, and the loop is broken.
|
|
|
1352 */
|
|
|
1353 if (eap->skip)
|
|
|
1354 {
|
|
|
1355 ++emsg_skip;
|
|
|
1356 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1357 }
|
|
|
1358 else
|
|
|
1359 lnum = eap->line1;
|
|
|
1360 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1361 {
|
|
|
1362 if (!eap->skip && eap->addr_count > 0)
|
|
|
1363 {
|
|
|
1364 curwin->w_cursor.lnum = lnum;
|
|
|
1365 curwin->w_cursor.col = 0;
|
|
|
1366 }
|
|
|
1367 arg = startarg;
|
|
|
1368 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1369 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1370 {
|
|
|
1371 failed = TRUE;
|
|
|
1372 break;
|
|
|
1373 }
|
|
|
1374 clear_var(&retvar);
|
|
|
1375 if (doesrange || eap->skip)
|
|
|
1376 break;
|
|
|
1377 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1378 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1379 * returned OK, so that the check for trailing characters below is
|
|
|
1380 * executed. */
|
|
|
1381 if (aborting())
|
|
|
1382 break;
|
|
|
1383 }
|
|
|
1384 if (eap->skip)
|
|
|
1385 --emsg_skip;
|
|
|
1386
|
|
|
1387 if (!failed)
|
|
|
1388 {
|
|
|
1389 /* Check for trailing illegal characters and a following command. */
|
|
|
1390 if (!ends_excmd(*arg))
|
|
|
1391 {
|
|
|
1392 emsg_severe = TRUE;
|
|
|
1393 EMSG(_(e_trailing));
|
|
|
1394 }
|
|
|
1395 else
|
|
|
1396 eap->nextcmd = check_nextcmd(arg);
|
|
|
1397 }
|
|
|
1398
|
|
|
1399 end:
|
|
|
1400 if (alias != NULL)
|
|
|
1401 vim_free(alias);
|
|
|
1402 }
|
|
|
1403
|
|
|
1404 /*
|
|
|
1405 * ":unlet[!] var1 ... " command.
|
|
|
1406 */
|
|
|
1407 void
|
|
|
1408 ex_unlet(eap)
|
|
|
1409 exarg_T *eap;
|
|
|
1410 {
|
|
|
1411 char_u *arg = eap->arg;
|
|
|
1412 char_u *name_end;
|
|
|
1413 char_u cc;
|
|
|
1414 char_u *expr_start;
|
|
|
1415 char_u *expr_end;
|
|
|
1416 int error = FALSE;
|
|
|
1417
|
|
|
1418 do
|
|
|
1419 {
|
|
|
1420 /* Find the end of the name. */
|
|
|
1421 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1422
|
|
|
1423 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1424 {
|
|
|
1425 emsg_severe = TRUE;
|
|
|
1426 EMSG(_(e_trailing));
|
|
|
1427 break;
|
|
|
1428 }
|
|
|
1429
|
|
|
1430 if (!error && !eap->skip)
|
|
|
1431 {
|
|
|
1432 #ifdef FEAT_MAGIC_BRACES
|
|
|
1433 if (expr_start != NULL)
|
|
|
1434 {
|
|
|
1435 char_u *temp_string;
|
|
|
1436
|
|
|
1437 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1438 expr_end, name_end);
|
|
|
1439 if (temp_string == NULL)
|
|
|
1440 {
|
|
|
1441 /*
|
|
|
1442 * Report an invalid expression in braces, unless the
|
|
|
1443 * expression evaluation has been cancelled due to an
|
|
|
1444 * aborting error, an interrupt, or an exception.
|
|
|
1445 */
|
|
|
1446 if (!aborting())
|
|
|
1447 {
|
|
|
1448 emsg_severe = TRUE;
|
|
|
1449 EMSG2(_(e_invarg2), arg);
|
|
|
1450 break;
|
|
|
1451 }
|
|
|
1452 error = TRUE;
|
|
|
1453 }
|
|
|
1454 else
|
|
|
1455 {
|
|
|
1456 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1457 {
|
|
|
1458 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1459 error = TRUE;
|
|
|
1460 }
|
|
|
1461 vim_free(temp_string);
|
|
|
1462 }
|
|
|
1463 }
|
|
|
1464 else
|
|
|
1465 #endif
|
|
|
1466 {
|
|
|
1467 cc = *name_end;
|
|
|
1468 *name_end = NUL;
|
|
|
1469
|
|
|
1470 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1471 {
|
|
|
1472 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1473 error = TRUE;
|
|
|
1474 }
|
|
|
1475
|
|
|
1476 *name_end = cc;
|
|
|
1477 }
|
|
|
1478 }
|
|
|
1479 arg = skipwhite(name_end);
|
|
|
1480 } while (!ends_excmd(*arg));
|
|
|
1481
|
|
|
1482 eap->nextcmd = check_nextcmd(arg);
|
|
|
1483 }
|
|
|
1484
|
|
|
1485 /*
|
|
|
1486 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1487 */
|
|
|
1488 int
|
|
|
1489 do_unlet(name)
|
|
|
1490 char_u *name;
|
|
|
1491 {
|
|
|
1492 VAR v;
|
|
|
1493
|
|
|
1494 v = find_var(name, TRUE);
|
|
|
1495 if (v != NULL)
|
|
|
1496 {
|
|
|
1497 var_free_one(v);
|
|
|
1498 return OK;
|
|
|
1499 }
|
|
|
1500 return FAIL;
|
|
|
1501 }
|
|
|
1502
|
|
|
1503 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1504 /*
|
|
|
1505 * Delete all "menutrans_" variables.
|
|
|
1506 */
|
|
|
1507 void
|
|
|
1508 del_menutrans_vars()
|
|
|
1509 {
|
|
|
1510 int i;
|
|
|
1511
|
|
|
1512 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1513 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1514 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1515 var_free_one(&VAR_ENTRY(i));
|
|
|
1516 }
|
|
|
1517 #endif
|
|
|
1518
|
|
|
1519 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1520
|
|
|
1521 /*
|
|
|
1522 * Local string buffer for the next two functions to store a variable name
|
|
|
1523 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1524 * get_user_var_name().
|
|
|
1525 */
|
|
|
1526
|
|
|
1527 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1528
|
|
|
1529 static char_u *varnamebuf = NULL;
|
|
|
1530 static int varnamebuflen = 0;
|
|
|
1531
|
|
|
1532 /*
|
|
|
1533 * Function to concatenate a prefix and a variable name.
|
|
|
1534 */
|
|
|
1535 static char_u *
|
|
|
1536 cat_prefix_varname(prefix, name)
|
|
|
1537 int prefix;
|
|
|
1538 char_u *name;
|
|
|
1539 {
|
|
|
1540 int len;
|
|
|
1541
|
|
|
1542 len = (int)STRLEN(name) + 3;
|
|
|
1543 if (len > varnamebuflen)
|
|
|
1544 {
|
|
|
1545 vim_free(varnamebuf);
|
|
|
1546 len += 10; /* some additional space */
|
|
|
1547 varnamebuf = alloc(len);
|
|
|
1548 if (varnamebuf == NULL)
|
|
|
1549 {
|
|
|
1550 varnamebuflen = 0;
|
|
|
1551 return NULL;
|
|
|
1552 }
|
|
|
1553 varnamebuflen = len;
|
|
|
1554 }
|
|
|
1555 *varnamebuf = prefix;
|
|
|
1556 varnamebuf[1] = ':';
|
|
|
1557 STRCPY(varnamebuf + 2, name);
|
|
|
1558 return varnamebuf;
|
|
|
1559 }
|
|
|
1560
|
|
|
1561 /*
|
|
|
1562 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1563 * (global/buffer/window/built-in) variable names.
|
|
|
1564 */
|
|
|
1565 /*ARGSUSED*/
|
|
|
1566 char_u *
|
|
|
1567 get_user_var_name(xp, idx)
|
|
|
1568 expand_T *xp;
|
|
|
1569 int idx;
|
|
|
1570 {
|
|
|
1571 static int gidx;
|
|
|
1572 static int bidx;
|
|
|
1573 static int widx;
|
|
|
1574 static int vidx;
|
|
|
1575 char_u *name;
|
|
|
1576
|
|
|
1577 if (idx == 0)
|
|
|
1578 gidx = bidx = widx = vidx = 0;
|
|
|
1579 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1580 {
|
|
|
1581 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1582 && gidx < variables.ga_len)
|
|
|
1583 /* skip */;
|
|
|
1584 if (name != NULL)
|
|
|
1585 {
|
|
|
1586 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1587 return cat_prefix_varname('g', name);
|
|
|
1588 else
|
|
|
1589 return name;
|
|
|
1590 }
|
|
|
1591 }
|
|
|
1592 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1593 {
|
|
|
1594 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1595 && bidx < curbuf->b_vars.ga_len)
|
|
|
1596 /* skip */;
|
|
|
1597 if (name != NULL)
|
|
|
1598 return cat_prefix_varname('b', name);
|
|
|
1599 }
|
|
|
1600 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1601 {
|
|
|
1602 ++bidx;
|
|
|
1603 return (char_u *)"b:changedtick";
|
|
|
1604 }
|
|
|
1605 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1606 {
|
|
|
1607 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1608 && widx < curwin->w_vars.ga_len)
|
|
|
1609 /* skip */;
|
|
|
1610 if (name != NULL)
|
|
|
1611 return cat_prefix_varname('w', name);
|
|
|
1612 }
|
|
|
1613 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1614 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1615
|
|
|
1616 vim_free(varnamebuf);
|
|
|
1617 varnamebuf = NULL;
|
|
|
1618 varnamebuflen = 0;
|
|
|
1619 return NULL;
|
|
|
1620 }
|
|
|
1621
|
|
|
1622 #endif /* FEAT_CMDL_COMPL */
|
|
|
1623
|
|
|
1624 /*
|
|
|
1625 * types for expressions.
|
|
|
1626 */
|
|
|
1627 typedef enum
|
|
|
1628 {
|
|
|
1629 TYPE_UNKNOWN = 0
|
|
|
1630 , TYPE_EQUAL /* == */
|
|
|
1631 , TYPE_NEQUAL /* != */
|
|
|
1632 , TYPE_GREATER /* > */
|
|
|
1633 , TYPE_GEQUAL /* >= */
|
|
|
1634 , TYPE_SMALLER /* < */
|
|
|
1635 , TYPE_SEQUAL /* <= */
|
|
|
1636 , TYPE_MATCH /* =~ */
|
|
|
1637 , TYPE_NOMATCH /* !~ */
|
|
|
1638 } exptype_T;
|
|
|
1639
|
|
|
1640 /*
|
|
|
1641 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1642 * executed. The function may return OK, but the retvar will be of type
|
|
|
1643 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1644 */
|
|
|
1645
|
|
|
1646 /*
|
|
|
1647 * Handle zero level expression.
|
|
|
1648 * This calls eval1() and handles error message and nextcmd.
|
|
|
1649 * Return OK or FAIL.
|
|
|
1650 */
|
|
|
1651 static int
|
|
|
1652 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1653 char_u *arg;
|
|
|
1654 VAR retvar;
|
|
|
1655 char_u **nextcmd;
|
|
|
1656 int evaluate;
|
|
|
1657 {
|
|
|
1658 int ret;
|
|
|
1659 char_u *p;
|
|
|
1660
|
|
|
1661 p = skipwhite(arg);
|
|
|
1662 ret = eval1(&p, retvar, evaluate);
|
|
|
1663 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1664 {
|
|
|
1665 if (ret != FAIL)
|
|
|
1666 clear_var(retvar);
|
|
|
1667 /*
|
|
|
1668 * Report the invalid expression unless the expression evaluation has
|
|
|
1669 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1670 * exception.
|
|
|
1671 */
|
|
|
1672 if (!aborting())
|
|
|
1673 EMSG2(_(e_invexpr2), arg);
|
|
|
1674 ret = FAIL;
|
|
|
1675 }
|
|
|
1676 if (nextcmd != NULL)
|
|
|
1677 *nextcmd = check_nextcmd(p);
|
|
|
1678
|
|
|
1679 return ret;
|
|
|
1680 }
|
|
|
1681
|
|
|
1682 /*
|
|
|
1683 * Handle top level expression:
|
|
|
1684 * expr1 ? expr0 : expr0
|
|
|
1685 *
|
|
|
1686 * "arg" must point to the first non-white of the expression.
|
|
|
1687 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1688 *
|
|
|
1689 * Return OK or FAIL.
|
|
|
1690 */
|
|
|
1691 static int
|
|
|
1692 eval1(arg, retvar, evaluate)
|
|
|
1693 char_u **arg;
|
|
|
1694 VAR retvar;
|
|
|
1695 int evaluate;
|
|
|
1696 {
|
|
|
1697 int result;
|
|
|
1698 var var2;
|
|
|
1699
|
|
|
1700 /*
|
|
|
1701 * Get the first variable.
|
|
|
1702 */
|
|
|
1703 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1704 return FAIL;
|
|
|
1705
|
|
|
1706 if ((*arg)[0] == '?')
|
|
|
1707 {
|
|
|
1708 result = FALSE;
|
|
|
1709 if (evaluate)
|
|
|
1710 {
|
|
|
1711 if (get_var_number(retvar) != 0)
|
|
|
1712 result = TRUE;
|
|
|
1713 clear_var(retvar);
|
|
|
1714 }
|
|
|
1715
|
|
|
1716 /*
|
|
|
1717 * Get the second variable.
|
|
|
1718 */
|
|
|
1719 *arg = skipwhite(*arg + 1);
|
|
|
1720 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1721 return FAIL;
|
|
|
1722
|
|
|
1723 /*
|
|
|
1724 * Check for the ":".
|
|
|
1725 */
|
|
|
1726 if ((*arg)[0] != ':')
|
|
|
1727 {
|
|
|
1728 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1729 if (evaluate && result)
|
|
|
1730 clear_var(retvar);
|
|
|
1731 return FAIL;
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 /*
|
|
|
1735 * Get the third variable.
|
|
|
1736 */
|
|
|
1737 *arg = skipwhite(*arg + 1);
|
|
|
1738 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1739 {
|
|
|
1740 if (evaluate && result)
|
|
|
1741 clear_var(retvar);
|
|
|
1742 return FAIL;
|
|
|
1743 }
|
|
|
1744 if (evaluate && !result)
|
|
|
1745 *retvar = var2;
|
|
|
1746 }
|
|
|
1747
|
|
|
1748 return OK;
|
|
|
1749 }
|
|
|
1750
|
|
|
1751 /*
|
|
|
1752 * Handle first level expression:
|
|
|
1753 * expr2 || expr2 || expr2 logical OR
|
|
|
1754 *
|
|
|
1755 * "arg" must point to the first non-white of the expression.
|
|
|
1756 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1757 *
|
|
|
1758 * Return OK or FAIL.
|
|
|
1759 */
|
|
|
1760 static int
|
|
|
1761 eval2(arg, retvar, evaluate)
|
|
|
1762 char_u **arg;
|
|
|
1763 VAR retvar;
|
|
|
1764 int evaluate;
|
|
|
1765 {
|
|
|
1766 var var2;
|
|
|
1767 long result;
|
|
|
1768 int first;
|
|
|
1769
|
|
|
1770 /*
|
|
|
1771 * Get the first variable.
|
|
|
1772 */
|
|
|
1773 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1774 return FAIL;
|
|
|
1775
|
|
|
1776 /*
|
|
|
1777 * Repeat until there is no following "||".
|
|
|
1778 */
|
|
|
1779 first = TRUE;
|
|
|
1780 result = FALSE;
|
|
|
1781 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1782 {
|
|
|
1783 if (evaluate && first)
|
|
|
1784 {
|
|
|
1785 if (get_var_number(retvar) != 0)
|
|
|
1786 result = TRUE;
|
|
|
1787 clear_var(retvar);
|
|
|
1788 first = FALSE;
|
|
|
1789 }
|
|
|
1790
|
|
|
1791 /*
|
|
|
1792 * Get the second variable.
|
|
|
1793 */
|
|
|
1794 *arg = skipwhite(*arg + 2);
|
|
|
1795 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1796 return FAIL;
|
|
|
1797
|
|
|
1798 /*
|
|
|
1799 * Compute the result.
|
|
|
1800 */
|
|
|
1801 if (evaluate && !result)
|
|
|
1802 {
|
|
|
1803 if (get_var_number(&var2) != 0)
|
|
|
1804 result = TRUE;
|
|
|
1805 clear_var(&var2);
|
|
|
1806 }
|
|
|
1807 if (evaluate)
|
|
|
1808 {
|
|
|
1809 retvar->var_type = VAR_NUMBER;
|
|
|
1810 retvar->var_val.var_number = result;
|
|
|
1811 }
|
|
|
1812 }
|
|
|
1813
|
|
|
1814 return OK;
|
|
|
1815 }
|
|
|
1816
|
|
|
1817 /*
|
|
|
1818 * Handle second level expression:
|
|
|
1819 * expr3 && expr3 && expr3 logical AND
|
|
|
1820 *
|
|
|
1821 * "arg" must point to the first non-white of the expression.
|
|
|
1822 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1823 *
|
|
|
1824 * Return OK or FAIL.
|
|
|
1825 */
|
|
|
1826 static int
|
|
|
1827 eval3(arg, retvar, evaluate)
|
|
|
1828 char_u **arg;
|
|
|
1829 VAR retvar;
|
|
|
1830 int evaluate;
|
|
|
1831 {
|
|
|
1832 var var2;
|
|
|
1833 long result;
|
|
|
1834 int first;
|
|
|
1835
|
|
|
1836 /*
|
|
|
1837 * Get the first variable.
|
|
|
1838 */
|
|
|
1839 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1840 return FAIL;
|
|
|
1841
|
|
|
1842 /*
|
|
|
1843 * Repeat until there is no following "&&".
|
|
|
1844 */
|
|
|
1845 first = TRUE;
|
|
|
1846 result = TRUE;
|
|
|
1847 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1848 {
|
|
|
1849 if (evaluate && first)
|
|
|
1850 {
|
|
|
1851 if (get_var_number(retvar) == 0)
|
|
|
1852 result = FALSE;
|
|
|
1853 clear_var(retvar);
|
|
|
1854 first = FALSE;
|
|
|
1855 }
|
|
|
1856
|
|
|
1857 /*
|
|
|
1858 * Get the second variable.
|
|
|
1859 */
|
|
|
1860 *arg = skipwhite(*arg + 2);
|
|
|
1861 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1862 return FAIL;
|
|
|
1863
|
|
|
1864 /*
|
|
|
1865 * Compute the result.
|
|
|
1866 */
|
|
|
1867 if (evaluate && result)
|
|
|
1868 {
|
|
|
1869 if (get_var_number(&var2) == 0)
|
|
|
1870 result = FALSE;
|
|
|
1871 clear_var(&var2);
|
|
|
1872 }
|
|
|
1873 if (evaluate)
|
|
|
1874 {
|
|
|
1875 retvar->var_type = VAR_NUMBER;
|
|
|
1876 retvar->var_val.var_number = result;
|
|
|
1877 }
|
|
|
1878 }
|
|
|
1879
|
|
|
1880 return OK;
|
|
|
1881 }
|
|
|
1882
|
|
|
1883 /*
|
|
|
1884 * Handle third level expression:
|
|
|
1885 * var1 == var2
|
|
|
1886 * var1 =~ var2
|
|
|
1887 * var1 != var2
|
|
|
1888 * var1 !~ var2
|
|
|
1889 * var1 > var2
|
|
|
1890 * var1 >= var2
|
|
|
1891 * var1 < var2
|
|
|
1892 * var1 <= var2
|
|
|
1893 *
|
|
|
1894 * "arg" must point to the first non-white of the expression.
|
|
|
1895 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1896 *
|
|
|
1897 * Return OK or FAIL.
|
|
|
1898 */
|
|
|
1899 static int
|
|
|
1900 eval4(arg, retvar, evaluate)
|
|
|
1901 char_u **arg;
|
|
|
1902 VAR retvar;
|
|
|
1903 int evaluate;
|
|
|
1904 {
|
|
|
1905 var var2;
|
|
|
1906 char_u *p;
|
|
|
1907 int i;
|
|
|
1908 exptype_T type = TYPE_UNKNOWN;
|
|
|
1909 int len = 2;
|
|
|
1910 long n1, n2;
|
|
|
1911 char_u *s1, *s2;
|
|
|
1912 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1913 regmatch_T regmatch;
|
|
|
1914 int ic;
|
|
|
1915 char_u *save_cpo;
|
|
|
1916
|
|
|
1917 /*
|
|
|
1918 * Get the first variable.
|
|
|
1919 */
|
|
|
1920 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1921 return FAIL;
|
|
|
1922
|
|
|
1923 p = *arg;
|
|
|
1924 switch (p[0])
|
|
|
1925 {
|
|
|
1926 case '=': if (p[1] == '=')
|
|
|
1927 type = TYPE_EQUAL;
|
|
|
1928 else if (p[1] == '~')
|
|
|
1929 type = TYPE_MATCH;
|
|
|
1930 break;
|
|
|
1931 case '!': if (p[1] == '=')
|
|
|
1932 type = TYPE_NEQUAL;
|
|
|
1933 else if (p[1] == '~')
|
|
|
1934 type = TYPE_NOMATCH;
|
|
|
1935 break;
|
|
|
1936 case '>': if (p[1] != '=')
|
|
|
1937 {
|
|
|
1938 type = TYPE_GREATER;
|
|
|
1939 len = 1;
|
|
|
1940 }
|
|
|
1941 else
|
|
|
1942 type = TYPE_GEQUAL;
|
|
|
1943 break;
|
|
|
1944 case '<': if (p[1] != '=')
|
|
|
1945 {
|
|
|
1946 type = TYPE_SMALLER;
|
|
|
1947 len = 1;
|
|
|
1948 }
|
|
|
1949 else
|
|
|
1950 type = TYPE_SEQUAL;
|
|
|
1951 break;
|
|
|
1952 }
|
|
|
1953
|
|
|
1954 /*
|
|
|
1955 * If there is a comparitive operator, use it.
|
|
|
1956 */
|
|
|
1957 if (type != TYPE_UNKNOWN)
|
|
|
1958 {
|
|
|
1959 /* extra question mark appended: ignore case */
|
|
|
1960 if (p[len] == '?')
|
|
|
1961 {
|
|
|
1962 ic = TRUE;
|
|
|
1963 ++len;
|
|
|
1964 }
|
|
|
1965 /* extra '#' appended: match case */
|
|
|
1966 else if (p[len] == '#')
|
|
|
1967 {
|
|
|
1968 ic = FALSE;
|
|
|
1969 ++len;
|
|
|
1970 }
|
|
|
1971 /* nothing appened: use 'ignorecase' */
|
|
|
1972 else
|
|
|
1973 ic = p_ic;
|
|
|
1974
|
|
|
1975 /*
|
|
|
1976 * Get the second variable.
|
|
|
1977 */
|
|
|
1978 *arg = skipwhite(p + len);
|
|
|
1979 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1980 {
|
|
|
1981 clear_var(retvar);
|
|
|
1982 return FAIL;
|
|
|
1983 }
|
|
|
1984
|
|
|
1985 if (evaluate)
|
|
|
1986 {
|
|
|
1987 /*
|
|
|
1988 * If one of the two variables is a number, compare as a number.
|
|
|
1989 * When using "=~" or "!~", always compare as string.
|
|
|
1990 */
|
|
|
1991 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
1992 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
1993 {
|
|
|
1994 n1 = get_var_number(retvar);
|
|
|
1995 n2 = get_var_number(&var2);
|
|
|
1996 switch (type)
|
|
|
1997 {
|
|
|
1998 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
1999 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
2000 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
2001 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
2002 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
2003 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
2004 case TYPE_UNKNOWN:
|
|
|
2005 case TYPE_MATCH:
|
|
|
2006 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
2007 }
|
|
|
2008 }
|
|
|
2009 else
|
|
|
2010 {
|
|
|
2011 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2012 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2013 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2014 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
2015 else
|
|
|
2016 i = 0;
|
|
|
2017 n1 = FALSE;
|
|
|
2018 switch (type)
|
|
|
2019 {
|
|
|
2020 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
2021 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
2022 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2023 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2024 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2025 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2026
|
|
|
2027 case TYPE_MATCH:
|
|
|
2028 case TYPE_NOMATCH:
|
|
|
2029 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2030 save_cpo = p_cpo;
|
|
|
2031 p_cpo = (char_u *)"";
|
|
|
2032 regmatch.regprog = vim_regcomp(s2,
|
|
|
2033 RE_MAGIC + RE_STRING);
|
|
|
2034 regmatch.rm_ic = ic;
|
|
|
2035 if (regmatch.regprog != NULL)
|
|
|
2036 {
|
|
|
2037 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2038 vim_free(regmatch.regprog);
|
|
|
2039 if (type == TYPE_NOMATCH)
|
|
|
2040 n1 = !n1;
|
|
|
2041 }
|
|
|
2042 p_cpo = save_cpo;
|
|
|
2043 break;
|
|
|
2044
|
|
|
2045 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2046 }
|
|
|
2047 }
|
|
|
2048 clear_var(retvar);
|
|
|
2049 clear_var(&var2);
|
|
|
2050 retvar->var_type = VAR_NUMBER;
|
|
|
2051 retvar->var_val.var_number = n1;
|
|
|
2052 }
|
|
|
2053 }
|
|
|
2054
|
|
|
2055 return OK;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 /*
|
|
|
2059 * Handle fourth level expression:
|
|
|
2060 * + number addition
|
|
|
2061 * - number subtraction
|
|
|
2062 * . string concatenation
|
|
|
2063 *
|
|
|
2064 * "arg" must point to the first non-white of the expression.
|
|
|
2065 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2066 *
|
|
|
2067 * Return OK or FAIL.
|
|
|
2068 */
|
|
|
2069 static int
|
|
|
2070 eval5(arg, retvar, evaluate)
|
|
|
2071 char_u **arg;
|
|
|
2072 VAR retvar;
|
|
|
2073 int evaluate;
|
|
|
2074 {
|
|
|
2075 var var2;
|
|
|
2076 int op;
|
|
|
2077 long n1, n2;
|
|
|
2078 char_u *s1, *s2;
|
|
|
2079 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2080 char_u *p;
|
|
|
2081
|
|
|
2082 /*
|
|
|
2083 * Get the first variable.
|
|
|
2084 */
|
|
|
2085 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2086 return FAIL;
|
|
|
2087
|
|
|
2088 /*
|
|
|
2089 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2090 */
|
|
|
2091 for (;;)
|
|
|
2092 {
|
|
|
2093 op = **arg;
|
|
|
2094 if (op != '+' && op != '-' && op != '.')
|
|
|
2095 break;
|
|
|
2096
|
|
|
2097 /*
|
|
|
2098 * Get the second variable.
|
|
|
2099 */
|
|
|
2100 *arg = skipwhite(*arg + 1);
|
|
|
2101 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2102 {
|
|
|
2103 clear_var(retvar);
|
|
|
2104 return FAIL;
|
|
|
2105 }
|
|
|
2106
|
|
|
2107 if (evaluate)
|
|
|
2108 {
|
|
|
2109 /*
|
|
|
2110 * Compute the result.
|
|
|
2111 */
|
|
|
2112 if (op == '.')
|
|
|
2113 {
|
|
|
2114 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2115 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2116 op = (int)STRLEN(s1);
|
|
|
2117 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2118 if (p != NULL)
|
|
|
2119 {
|
|
|
2120 STRCPY(p, s1);
|
|
|
2121 STRCPY(p + op, s2);
|
|
|
2122 }
|
|
|
2123 clear_var(retvar);
|
|
|
2124 retvar->var_type = VAR_STRING;
|
|
|
2125 retvar->var_val.var_string = p;
|
|
|
2126 }
|
|
|
2127 else
|
|
|
2128 {
|
|
|
2129 n1 = get_var_number(retvar);
|
|
|
2130 n2 = get_var_number(&var2);
|
|
|
2131 clear_var(retvar);
|
|
|
2132 if (op == '+')
|
|
|
2133 n1 = n1 + n2;
|
|
|
2134 else
|
|
|
2135 n1 = n1 - n2;
|
|
|
2136 retvar->var_type = VAR_NUMBER;
|
|
|
2137 retvar->var_val.var_number = n1;
|
|
|
2138 }
|
|
|
2139 clear_var(&var2);
|
|
|
2140 }
|
|
|
2141 }
|
|
|
2142 return OK;
|
|
|
2143 }
|
|
|
2144
|
|
|
2145 /*
|
|
|
2146 * Handle fifth level expression:
|
|
|
2147 * * number multiplication
|
|
|
2148 * / number division
|
|
|
2149 * % number modulo
|
|
|
2150 *
|
|
|
2151 * "arg" must point to the first non-white of the expression.
|
|
|
2152 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2153 *
|
|
|
2154 * Return OK or FAIL.
|
|
|
2155 */
|
|
|
2156 static int
|
|
|
2157 eval6(arg, retvar, evaluate)
|
|
|
2158 char_u **arg;
|
|
|
2159 VAR retvar;
|
|
|
2160 int evaluate;
|
|
|
2161 {
|
|
|
2162 var var2;
|
|
|
2163 int op;
|
|
|
2164 long n1, n2;
|
|
|
2165
|
|
|
2166 /*
|
|
|
2167 * Get the first variable.
|
|
|
2168 */
|
|
|
2169 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2170 return FAIL;
|
|
|
2171
|
|
|
2172 /*
|
|
|
2173 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2174 */
|
|
|
2175 for (;;)
|
|
|
2176 {
|
|
|
2177 op = **arg;
|
|
|
2178 if (op != '*' && op != '/' && op != '%')
|
|
|
2179 break;
|
|
|
2180
|
|
|
2181 if (evaluate)
|
|
|
2182 {
|
|
|
2183 n1 = get_var_number(retvar);
|
|
|
2184 clear_var(retvar);
|
|
|
2185 }
|
|
|
2186 else
|
|
|
2187 n1 = 0;
|
|
|
2188
|
|
|
2189 /*
|
|
|
2190 * Get the second variable.
|
|
|
2191 */
|
|
|
2192 *arg = skipwhite(*arg + 1);
|
|
|
2193 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2194 return FAIL;
|
|
|
2195
|
|
|
2196 if (evaluate)
|
|
|
2197 {
|
|
|
2198 n2 = get_var_number(&var2);
|
|
|
2199 clear_var(&var2);
|
|
|
2200
|
|
|
2201 /*
|
|
|
2202 * Compute the result.
|
|
|
2203 */
|
|
|
2204 if (op == '*')
|
|
|
2205 n1 = n1 * n2;
|
|
|
2206 else if (op == '/')
|
|
|
2207 {
|
|
|
2208 if (n2 == 0) /* give an error message? */
|
|
|
2209 n1 = 0x7fffffffL;
|
|
|
2210 else
|
|
|
2211 n1 = n1 / n2;
|
|
|
2212 }
|
|
|
2213 else
|
|
|
2214 {
|
|
|
2215 if (n2 == 0) /* give an error message? */
|
|
|
2216 n1 = 0;
|
|
|
2217 else
|
|
|
2218 n1 = n1 % n2;
|
|
|
2219 }
|
|
|
2220 retvar->var_type = VAR_NUMBER;
|
|
|
2221 retvar->var_val.var_number = n1;
|
|
|
2222 }
|
|
|
2223 }
|
|
|
2224
|
|
|
2225 return OK;
|
|
|
2226 }
|
|
|
2227
|
|
|
2228 /*
|
|
|
2229 * Handle sixth level expression:
|
|
|
2230 * number number constant
|
|
|
2231 * "string" string contstant
|
|
|
2232 * 'string' literal string contstant
|
|
|
2233 * &option-name option value
|
|
|
2234 * @r register contents
|
|
|
2235 * identifier variable value
|
|
|
2236 * function() function call
|
|
|
2237 * $VAR environment variable
|
|
|
2238 * (expression) nested expression
|
|
|
2239 *
|
|
|
2240 * Also handle:
|
|
|
2241 * ! in front logical NOT
|
|
|
2242 * - in front unary minus
|
|
|
2243 * + in front unary plus (ignored)
|
|
|
2244 * trailing [] subscript in String
|
|
|
2245 *
|
|
|
2246 * "arg" must point to the first non-white of the expression.
|
|
|
2247 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2248 *
|
|
|
2249 * Return OK or FAIL.
|
|
|
2250 */
|
|
|
2251 static int
|
|
|
2252 eval7(arg, retvar, evaluate)
|
|
|
2253 char_u **arg;
|
|
|
2254 VAR retvar;
|
|
|
2255 int evaluate;
|
|
|
2256 {
|
|
|
2257 var var2;
|
|
|
2258 long n;
|
|
|
2259 int len;
|
|
|
2260 char_u *s;
|
|
|
2261 int val;
|
|
|
2262 char_u *start_leader, *end_leader;
|
|
|
2263 int ret = OK;
|
|
|
2264 char_u *alias;
|
|
|
2265
|
|
|
2266 /*
|
|
|
2267 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2268 * and free a string that isn't there.
|
|
|
2269 */
|
|
|
2270 retvar->var_type = VAR_UNKNOWN;
|
|
|
2271
|
|
|
2272 /*
|
|
|
2273 * Skip '!' and '-' characters. They are handled later.
|
|
|
2274 */
|
|
|
2275 start_leader = *arg;
|
|
|
2276 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2277 *arg = skipwhite(*arg + 1);
|
|
|
2278 end_leader = *arg;
|
|
|
2279
|
|
|
2280 switch (**arg)
|
|
|
2281 {
|
|
|
2282 /*
|
|
|
2283 * Number constant.
|
|
|
2284 */
|
|
|
2285 case '0':
|
|
|
2286 case '1':
|
|
|
2287 case '2':
|
|
|
2288 case '3':
|
|
|
2289 case '4':
|
|
|
2290 case '5':
|
|
|
2291 case '6':
|
|
|
2292 case '7':
|
|
|
2293 case '8':
|
|
|
2294 case '9':
|
|
|
2295 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2296 *arg += len;
|
|
|
2297 if (evaluate)
|
|
|
2298 {
|
|
|
2299 retvar->var_type = VAR_NUMBER;
|
|
|
2300 retvar->var_val.var_number = n;
|
|
|
2301 }
|
|
|
2302 break;
|
|
|
2303
|
|
|
2304 /*
|
|
|
2305 * String constant: "string".
|
|
|
2306 */
|
|
|
2307 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2308 break;
|
|
|
2309
|
|
|
2310 /*
|
|
|
2311 * Literal string constant: 'string'.
|
|
|
2312 */
|
|
|
2313 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2314 break;
|
|
|
2315
|
|
|
2316 /*
|
|
|
2317 * Option value: &name
|
|
|
2318 */
|
|
|
2319 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2320 break;
|
|
|
2321
|
|
|
2322 /*
|
|
|
2323 * Environment variable: $VAR.
|
|
|
2324 */
|
|
|
2325 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2326 break;
|
|
|
2327
|
|
|
2328 /*
|
|
|
2329 * Register contents: @r.
|
|
|
2330 */
|
|
|
2331 case '@': ++*arg;
|
|
|
2332 if (evaluate)
|
|
|
2333 {
|
|
|
2334 retvar->var_type = VAR_STRING;
|
|
|
2335 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2336 }
|
|
|
2337 if (**arg != NUL)
|
|
|
2338 ++*arg;
|
|
|
2339 break;
|
|
|
2340
|
|
|
2341 /*
|
|
|
2342 * nested expression: (expression).
|
|
|
2343 */
|
|
|
2344 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2345 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2346 if (**arg == ')')
|
|
|
2347 ++*arg;
|
|
|
2348 else if (ret == OK)
|
|
|
2349 {
|
|
|
2350 EMSG(_("E110: Missing ')'"));
|
|
|
2351 clear_var(retvar);
|
|
|
2352 ret = FAIL;
|
|
|
2353 }
|
|
|
2354 break;
|
|
|
2355
|
|
|
2356 /*
|
|
|
2357 * Must be a variable or function name then.
|
|
|
2358 */
|
|
|
2359 default: s = *arg;
|
|
|
2360 len = get_func_len(arg, &alias, evaluate);
|
|
|
2361 if (alias != NULL)
|
|
|
2362 s = alias;
|
|
|
2363
|
|
|
2364 if (len == 0)
|
|
|
2365 ret = FAIL;
|
|
|
2366 else
|
|
|
2367 {
|
|
|
2368 if (**arg == '(') /* recursive! */
|
|
|
2369 {
|
|
|
2370 ret = get_func_var(s, len, retvar, arg,
|
|
|
2371 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2372 &len, evaluate);
|
|
|
2373 /* Stop the expression evaluation when immediately
|
|
|
2374 * aborting on error, or when an interrupt occurred or
|
|
|
2375 * an exception was thrown but not caught. */
|
|
|
2376 if (aborting())
|
|
|
2377 {
|
|
|
2378 if (ret == OK)
|
|
|
2379 clear_var(retvar);
|
|
|
2380 ret = FAIL;
|
|
|
2381 }
|
|
|
2382 }
|
|
|
2383 else if (evaluate)
|
|
|
2384 ret = get_var_var(s, len, retvar);
|
|
|
2385 }
|
|
|
2386
|
|
|
2387 if (alias != NULL)
|
|
|
2388 vim_free(alias);
|
|
|
2389
|
|
|
2390 break;
|
|
|
2391 }
|
|
|
2392 *arg = skipwhite(*arg);
|
|
|
2393
|
|
|
2394 /*
|
|
|
2395 * Handle expr[expr] subscript.
|
|
|
2396 */
|
|
|
2397 if (**arg == '[' && ret == OK)
|
|
|
2398 {
|
|
|
2399 /*
|
|
|
2400 * Get the variable from inside the [].
|
|
|
2401 */
|
|
|
2402 *arg = skipwhite(*arg + 1);
|
|
|
2403 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2404 {
|
|
|
2405 clear_var(retvar);
|
|
|
2406 return FAIL;
|
|
|
2407 }
|
|
|
2408
|
|
|
2409 /* Check for the ']'. */
|
|
|
2410 if (**arg != ']')
|
|
|
2411 {
|
|
|
2412 EMSG(_("E111: Missing ']'"));
|
|
|
2413 clear_var(retvar);
|
|
|
2414 clear_var(&var2);
|
|
|
2415 return FAIL;
|
|
|
2416 }
|
|
|
2417
|
|
|
2418 if (evaluate)
|
|
|
2419 {
|
|
|
2420 n = get_var_number(&var2);
|
|
|
2421 clear_var(&var2);
|
|
|
2422
|
|
|
2423 /*
|
|
|
2424 * The resulting variable is a string of a single character.
|
|
|
2425 * If the index is too big or negative, the result is empty.
|
|
|
2426 */
|
|
|
2427 s = get_var_string(retvar);
|
|
|
2428 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2429 s = NULL;
|
|
|
2430 else
|
|
|
2431 s = vim_strnsave(s + n, 1);
|
|
|
2432 clear_var(retvar);
|
|
|
2433 retvar->var_type = VAR_STRING;
|
|
|
2434 retvar->var_val.var_string = s;
|
|
|
2435 }
|
|
|
2436 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2437 }
|
|
|
2438
|
|
|
2439 /*
|
|
|
2440 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2441 */
|
|
|
2442 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2443 {
|
|
|
2444 val = get_var_number(retvar);
|
|
|
2445 while (end_leader > start_leader)
|
|
|
2446 {
|
|
|
2447 --end_leader;
|
|
|
2448 if (*end_leader == '!')
|
|
|
2449 val = !val;
|
|
|
2450 else if (*end_leader == '-')
|
|
|
2451 val = -val;
|
|
|
2452 }
|
|
|
2453 clear_var(retvar);
|
|
|
2454 retvar->var_type = VAR_NUMBER;
|
|
|
2455 retvar->var_val.var_number = val;
|
|
|
2456 }
|
|
|
2457
|
|
|
2458 return ret;
|
|
|
2459 }
|
|
|
2460
|
|
|
2461 /*
|
|
|
2462 * Get an option value.
|
|
|
2463 * "arg" points to the '&' or '+' before the option name.
|
|
|
2464 * "arg" is advanced to character after the option name.
|
|
|
2465 * Return OK or FAIL.
|
|
|
2466 */
|
|
|
2467 static int
|
|
|
2468 get_option_var(arg, retvar, evaluate)
|
|
|
2469 char_u **arg;
|
|
|
2470 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2471 int evaluate;
|
|
|
2472 {
|
|
|
2473 char_u *option_end;
|
|
|
2474 long numval;
|
|
|
2475 char_u *stringval;
|
|
|
2476 int opt_type;
|
|
|
2477 int c;
|
|
|
2478 int working = (**arg == '+'); /* has("+option") */
|
|
|
2479 int ret = OK;
|
|
|
2480 int opt_flags;
|
|
|
2481
|
|
|
2482 /*
|
|
|
2483 * Isolate the option name and find its value.
|
|
|
2484 */
|
|
|
2485 option_end = find_option_end(arg, &opt_flags);
|
|
|
2486 if (option_end == NULL)
|
|
|
2487 {
|
|
|
2488 if (retvar != NULL)
|
|
|
2489 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2490 return FAIL;
|
|
|
2491 }
|
|
|
2492
|
|
|
2493 if (!evaluate)
|
|
|
2494 {
|
|
|
2495 *arg = option_end;
|
|
|
2496 return OK;
|
|
|
2497 }
|
|
|
2498
|
|
|
2499 c = *option_end;
|
|
|
2500 *option_end = NUL;
|
|
|
2501 opt_type = get_option_value(*arg, &numval,
|
|
|
2502 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2503
|
|
|
2504 if (opt_type == -3) /* invalid name */
|
|
|
2505 {
|
|
|
2506 if (retvar != NULL)
|
|
|
2507 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2508 ret = FAIL;
|
|
|
2509 }
|
|
|
2510 else if (retvar != NULL)
|
|
|
2511 {
|
|
|
2512 if (opt_type == -2) /* hidden string option */
|
|
|
2513 {
|
|
|
2514 retvar->var_type = VAR_STRING;
|
|
|
2515 retvar->var_val.var_string = NULL;
|
|
|
2516 }
|
|
|
2517 else if (opt_type == -1) /* hidden number option */
|
|
|
2518 {
|
|
|
2519 retvar->var_type = VAR_NUMBER;
|
|
|
2520 retvar->var_val.var_number = 0;
|
|
|
2521 }
|
|
|
2522 else if (opt_type == 1) /* number option */
|
|
|
2523 {
|
|
|
2524 retvar->var_type = VAR_NUMBER;
|
|
|
2525 retvar->var_val.var_number = numval;
|
|
|
2526 }
|
|
|
2527 else /* string option */
|
|
|
2528 {
|
|
|
2529 retvar->var_type = VAR_STRING;
|
|
|
2530 retvar->var_val.var_string = stringval;
|
|
|
2531 }
|
|
|
2532 }
|
|
|
2533 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2534 ret = FAIL;
|
|
|
2535
|
|
|
2536 *option_end = c; /* put back for error messages */
|
|
|
2537 *arg = option_end;
|
|
|
2538
|
|
|
2539 return ret;
|
|
|
2540 }
|
|
|
2541
|
|
|
2542 /*
|
|
|
2543 * Allocate a variable for a string constant.
|
|
|
2544 * Return OK or FAIL.
|
|
|
2545 */
|
|
|
2546 static int
|
|
|
2547 get_string_var(arg, retvar, evaluate)
|
|
|
2548 char_u **arg;
|
|
|
2549 VAR retvar;
|
|
|
2550 int evaluate;
|
|
|
2551 {
|
|
|
2552 char_u *p;
|
|
|
2553 char_u *name;
|
|
|
2554 int i;
|
|
|
2555 int extra = 0;
|
|
|
2556
|
|
|
2557 /*
|
|
|
2558 * Find the end of the string, skipping backslashed characters.
|
|
|
2559 */
|
|
|
2560 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2561 {
|
|
|
2562 if (*p == '\\' && p[1] != NUL)
|
|
|
2563 {
|
|
|
2564 ++p;
|
|
|
2565 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2566 * to 6 characters: reserve space for 2 extra */
|
|
|
2567 if (*p == '<')
|
|
|
2568 extra += 2;
|
|
|
2569 }
|
|
|
2570 #ifdef FEAT_MBYTE
|
|
|
2571 if (has_mbyte)
|
|
|
2572 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2573 #endif
|
|
|
2574 }
|
|
|
2575
|
|
|
2576 if (*p != '"')
|
|
|
2577 {
|
|
|
2578 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2579 return FAIL;
|
|
|
2580 }
|
|
|
2581
|
|
|
2582 /* If only parsing, set *arg and return here */
|
|
|
2583 if (!evaluate)
|
|
|
2584 {
|
|
|
2585 *arg = p + 1;
|
|
|
2586 return OK;
|
|
|
2587 }
|
|
|
2588
|
|
|
2589 /*
|
|
|
2590 * Copy the string into allocated memory, handling backslashed
|
|
|
2591 * characters.
|
|
|
2592 */
|
|
|
2593 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2594 if (name == NULL)
|
|
|
2595 return FAIL;
|
|
|
2596
|
|
|
2597 i = 0;
|
|
|
2598 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2599 {
|
|
|
2600 if (*p == '\\')
|
|
|
2601 {
|
|
|
2602 switch (*++p)
|
|
|
2603 {
|
|
|
2604 case 'b': name[i++] = BS; break;
|
|
|
2605 case 'e': name[i++] = ESC; break;
|
|
|
2606 case 'f': name[i++] = FF; break;
|
|
|
2607 case 'n': name[i++] = NL; break;
|
|
|
2608 case 'r': name[i++] = CAR; break;
|
|
|
2609 case 't': name[i++] = TAB; break;
|
|
|
2610
|
|
|
2611 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2612 case 'x':
|
|
|
2613 case 'u': /* Unicode: "\u0023" */
|
|
|
2614 case 'U':
|
|
|
2615 if (vim_isxdigit(p[1]))
|
|
|
2616 {
|
|
|
2617 int n, nr;
|
|
|
2618 int c = toupper(*p);
|
|
|
2619
|
|
|
2620 if (c == 'X')
|
|
|
2621 n = 2;
|
|
|
2622 else
|
|
|
2623 n = 4;
|
|
|
2624 nr = 0;
|
|
|
2625 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2626 {
|
|
|
2627 ++p;
|
|
|
2628 nr = (nr << 4) + hex2nr(*p);
|
|
|
2629 }
|
|
|
2630 #ifdef FEAT_MBYTE
|
|
|
2631 /* For "\u" store the number according to
|
|
|
2632 * 'encoding'. */
|
|
|
2633 if (c != 'X')
|
|
|
2634 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2635 else
|
|
|
2636 #endif
|
|
|
2637 name[i++] = nr;
|
|
|
2638 }
|
|
|
2639 else
|
|
|
2640 name[i++] = *p;
|
|
|
2641 break;
|
|
|
2642
|
|
|
2643 /* octal: "\1", "\12", "\123" */
|
|
|
2644 case '0':
|
|
|
2645 case '1':
|
|
|
2646 case '2':
|
|
|
2647 case '3':
|
|
|
2648 case '4':
|
|
|
2649 case '5':
|
|
|
2650 case '6':
|
|
|
2651 case '7': name[i] = *p - '0';
|
|
|
2652 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2653 {
|
|
|
2654 ++p;
|
|
|
2655 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2656 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2657 {
|
|
|
2658 ++p;
|
|
|
2659 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2660 }
|
|
|
2661 }
|
|
|
2662 ++i;
|
|
|
2663 break;
|
|
|
2664
|
|
|
2665 /* Special key, e.g.: "\<C-W>" */
|
|
|
2666 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2667 if (extra != 0)
|
|
|
2668 {
|
|
|
2669 i += extra;
|
|
|
2670 --p;
|
|
|
2671 break;
|
|
|
2672 }
|
|
|
2673 /* FALLTHROUGH */
|
|
|
2674
|
|
|
2675 default: name[i++] = *p;
|
|
|
2676 break;
|
|
|
2677 }
|
|
|
2678 }
|
|
|
2679 else
|
|
|
2680 name[i++] = *p;
|
|
|
2681
|
|
|
2682 #ifdef FEAT_MBYTE
|
|
|
2683 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2684 if (has_mbyte)
|
|
|
2685 {
|
|
|
2686 int l = (*mb_ptr2len_check)(p);
|
|
|
2687
|
|
|
2688 while (--l > 0)
|
|
|
2689 name[i++] = *++p;
|
|
|
2690 }
|
|
|
2691 #endif
|
|
|
2692 }
|
|
|
2693 name[i] = NUL;
|
|
|
2694 *arg = p + 1;
|
|
|
2695
|
|
|
2696 retvar->var_type = VAR_STRING;
|
|
|
2697 retvar->var_val.var_string = name;
|
|
|
2698
|
|
|
2699 return OK;
|
|
|
2700 }
|
|
|
2701
|
|
|
2702 /*
|
|
|
2703 * Allocate a variable for an backtick-string constant.
|
|
|
2704 * Return OK or FAIL.
|
|
|
2705 */
|
|
|
2706 static int
|
|
|
2707 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2708 char_u **arg;
|
|
|
2709 VAR retvar;
|
|
|
2710 int evaluate;
|
|
|
2711 {
|
|
|
2712 char_u *p;
|
|
|
2713 char_u *name;
|
|
|
2714
|
|
|
2715 /*
|
|
|
2716 * Find the end of the string.
|
|
|
2717 */
|
|
|
2718 p = vim_strchr(*arg + 1, '\'');
|
|
|
2719 if (p == NULL)
|
|
|
2720 {
|
|
|
2721 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2722 return FAIL;
|
|
|
2723 }
|
|
|
2724
|
|
|
2725 if (evaluate)
|
|
|
2726 {
|
|
|
2727 /*
|
|
|
2728 * Copy the string into allocated memory.
|
|
|
2729 */
|
|
|
2730 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2731 if (name == NULL)
|
|
|
2732 return FAIL;
|
|
|
2733
|
|
|
2734 retvar->var_type = VAR_STRING;
|
|
|
2735 retvar->var_val.var_string = name;
|
|
|
2736 }
|
|
|
2737
|
|
|
2738 *arg = p + 1;
|
|
|
2739
|
|
|
2740 return OK;
|
|
|
2741 }
|
|
|
2742
|
|
|
2743 /*
|
|
|
2744 * Get the value of an environment variable.
|
|
|
2745 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2746 * If the environment variable was not set, silently assume it is empty.
|
|
|
2747 * Always return OK.
|
|
|
2748 */
|
|
|
2749 static int
|
|
|
2750 get_env_var(arg, retvar, evaluate)
|
|
|
2751 char_u **arg;
|
|
|
2752 VAR retvar;
|
|
|
2753 int evaluate;
|
|
|
2754 {
|
|
|
2755 char_u *string = NULL;
|
|
|
2756 int len;
|
|
|
2757 int cc;
|
|
|
2758 char_u *name;
|
|
|
2759
|
|
|
2760 ++*arg;
|
|
|
2761 name = *arg;
|
|
|
2762 len = get_env_len(arg);
|
|
|
2763 if (evaluate)
|
|
|
2764 {
|
|
|
2765 if (len != 0)
|
|
|
2766 {
|
|
|
2767 cc = name[len];
|
|
|
2768 name[len] = NUL;
|
|
|
2769 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2770 string = mch_getenv(name);
|
|
|
2771 if (string != NULL && *string != NUL)
|
|
|
2772 string = vim_strsave(string);
|
|
|
2773 else
|
|
|
2774 {
|
|
|
2775 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2776 string = expand_env_save(name - 1);
|
|
|
2777 if (string != NULL && *string == '$')
|
|
|
2778 {
|
|
|
2779 vim_free(string);
|
|
|
2780 string = NULL;
|
|
|
2781 }
|
|
|
2782 }
|
|
|
2783 name[len] = cc;
|
|
|
2784 }
|
|
|
2785 retvar->var_type = VAR_STRING;
|
|
|
2786 retvar->var_val.var_string = string;
|
|
|
2787 }
|
|
|
2788
|
|
|
2789 return OK;
|
|
|
2790 }
|
|
|
2791
|
|
|
2792 /*
|
|
|
2793 * Array with names and number of arguments of all internal functions
|
|
|
2794 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2795 */
|
|
|
2796 static struct fst
|
|
|
2797 {
|
|
|
2798 char *f_name; /* function name */
|
|
|
2799 char f_min_argc; /* minimal number of arguments */
|
|
|
2800 char f_max_argc; /* maximal number of arguments */
|
|
|
2801 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2802 } functions[] =
|
|
|
2803 {
|
|
|
2804 {"append", 2, 2, f_append},
|
|
|
2805 {"argc", 0, 0, f_argc},
|
|
|
2806 {"argidx", 0, 0, f_argidx},
|
|
|
2807 {"argv", 1, 1, f_argv},
|
|
|
2808 {"browse", 4, 4, f_browse},
|
|
|
2809 {"bufexists", 1, 1, f_bufexists},
|
|
|
2810 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2811 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2812 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2813 {"buflisted", 1, 1, f_buflisted},
|
|
|
2814 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2815 {"bufname", 1, 1, f_bufname},
|
|
|
2816 {"bufnr", 1, 1, f_bufnr},
|
|
|
2817 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2818 {"byte2line", 1, 1, f_byte2line},
|
|
|
2819 {"char2nr", 1, 1, f_char2nr},
|
|
|
2820 {"cindent", 1, 1, f_cindent},
|
|
|
2821 {"col", 1, 1, f_col},
|
|
|
2822 {"confirm", 1, 4, f_confirm},
|
|
|
2823 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2824 {"cursor", 2, 2, f_cursor},
|
|
|
2825 {"delete", 1, 1, f_delete},
|
|
|
2826 {"did_filetype", 0, 0, f_did_filetype},
|
|
|
2827 {"escape", 2, 2, f_escape},
|
|
|
2828 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2829 {"executable", 1, 1, f_executable},
|
|
|
2830 {"exists", 1, 1, f_exists},
|
|
|
2831 {"expand", 1, 2, f_expand},
|
|
|
2832 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2833 {"filereadable", 1, 1, f_filereadable},
|
|
|
2834 {"filewritable", 1, 1, f_filewritable},
|
|
|
2835 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2836 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2837 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2838 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2839 {"foldtext", 0, 0, f_foldtext},
|
|
|
2840 {"foreground", 0, 0, f_foreground},
|
|
|
2841 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2842 {"getchar", 0, 1, f_getchar},
|
|
|
2843 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2844 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2845 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2846 {"getcwd", 0, 0, f_getcwd},
|
|
|
2847 {"getfsize", 1, 1, f_getfsize},
|
|
|
2848 {"getftime", 1, 1, f_getftime},
|
|
|
2849 {"getline", 1, 1, f_getline},
|
|
|
2850 {"getreg", 0, 1, f_getreg},
|
|
|
2851 {"getregtype", 0, 1, f_getregtype},
|
|
|
2852 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2853 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2854 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2855 {"glob", 1, 1, f_glob},
|
|
|
2856 {"globpath", 2, 2, f_globpath},
|
|
|
2857 {"has", 1, 1, f_has},
|
|
|
2858 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2859 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2860 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2861 {"histadd", 2, 2, f_histadd},
|
|
|
2862 {"histdel", 1, 2, f_histdel},
|
|
|
2863 {"histget", 1, 2, f_histget},
|
|
|
2864 {"histnr", 1, 1, f_histnr},
|
|
|
2865 {"hlID", 1, 1, f_hlID},
|
|
|
2866 {"hlexists", 1, 1, f_hlexists},
|
|
|
2867 {"hostname", 0, 0, f_hostname},
|
|
|
2868 {"iconv", 3, 3, f_iconv},
|
|
|
2869 {"indent", 1, 1, f_indent},
|
|
|
2870 {"input", 1, 2, f_input},
|
|
|
2871 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2872 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2873 {"inputsave", 0, 0, f_inputsave},
|
|
|
2874 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2875 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2876 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2877 {"libcall", 3, 3, f_libcall},
|
|
|
2878 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2879 {"line", 1, 1, f_line},
|
|
|
2880 {"line2byte", 1, 1, f_line2byte},
|
|
|
2881 {"lispindent", 1, 1, f_lispindent},
|
|
|
2882 {"localtime", 0, 0, f_localtime},
|
|
|
2883 {"maparg", 1, 2, f_maparg},
|
|
|
2884 {"mapcheck", 1, 2, f_mapcheck},
|
|
|
2885 {"match", 2, 3, f_match},
|
|
|
2886 {"matchend", 2, 3, f_matchend},
|
|
|
2887 {"matchstr", 2, 3, f_matchstr},
|
|
|
2888 {"mode", 0, 0, f_mode},
|
|
|
2889 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2890 {"nr2char", 1, 1, f_nr2char},
|
|
|
2891 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2892 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2893 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2894 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2895 {"remote_read", 1, 1, f_remote_read},
|
|
|
2896 {"remote_send", 2, 3, f_remote_send},
|
|
|
2897 {"rename", 2, 2, f_rename},
|
|
|
2898 {"resolve", 1, 1, f_resolve},
|
|
|
2899 {"search", 1, 2, f_search},
|
|
|
2900 {"searchpair", 3, 5, f_searchpair},
|
|
|
2901 {"server2client", 2, 2, f_server2client},
|
|
|
2902 {"serverlist", 0, 0, f_serverlist},
|
|
|
2903 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2904 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2905 {"setline", 2, 2, f_setline},
|
|
|
2906 {"setreg", 2, 3, f_setreg},
|
|
|
2907 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2908 {"simplify", 1, 1, f_simplify},
|
|
|
2909 #ifdef HAVE_STRFTIME
|
|
|
2910 {"strftime", 1, 2, f_strftime},
|
|
|
2911 #endif
|
|
|
2912 {"stridx", 2, 2, f_stridx},
|
|
|
2913 {"strlen", 1, 1, f_strlen},
|
|
|
2914 {"strpart", 2, 3, f_strpart},
|
|
|
2915 {"strridx", 2, 2, f_strridx},
|
|
|
2916 {"strtrans", 1, 1, f_strtrans},
|
|
|
2917 {"submatch", 1, 1, f_submatch},
|
|
|
2918 {"substitute", 4, 4, f_substitute},
|
|
|
2919 {"synID", 3, 3, f_synID},
|
|
|
2920 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2921 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
|
2922 {"system", 1, 1, f_system},
|
|
|
2923 {"tempname", 0, 0, f_tempname},
|
|
|
2924 {"tolower", 1, 1, f_tolower},
|
|
|
2925 {"toupper", 1, 1, f_toupper},
|
|
|
2926 {"type", 1, 1, f_type},
|
|
|
2927 {"virtcol", 1, 1, f_virtcol},
|
|
|
2928 {"visualmode", 0, 1, f_visualmode},
|
|
|
2929 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2930 {"wincol", 0, 0, f_wincol},
|
|
|
2931 {"winheight", 1, 1, f_winheight},
|
|
|
2932 {"winline", 0, 0, f_winline},
|
|
|
2933 {"winnr", 0, 0, f_winnr},
|
|
|
2934 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2935 {"winwidth", 1, 1, f_winwidth},
|
|
|
2936 };
|
|
|
2937
|
|
|
2938 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2939
|
|
|
2940 /*
|
|
|
2941 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2942 * or user defined function names.
|
|
|
2943 */
|
|
|
2944 char_u *
|
|
|
2945 get_function_name(xp, idx)
|
|
|
2946 expand_T *xp;
|
|
|
2947 int idx;
|
|
|
2948 {
|
|
|
2949 static int intidx = -1;
|
|
|
2950 char_u *name;
|
|
|
2951
|
|
|
2952 if (idx == 0)
|
|
|
2953 intidx = -1;
|
|
|
2954 if (intidx < 0)
|
|
|
2955 {
|
|
|
2956 name = get_user_func_name(xp, idx);
|
|
|
2957 if (name != NULL)
|
|
|
2958 return name;
|
|
|
2959 }
|
|
|
2960 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2961 {
|
|
|
2962 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2963 STRCAT(IObuff, "(");
|
|
|
2964 if (functions[intidx].f_max_argc == 0)
|
|
|
2965 STRCAT(IObuff, ")");
|
|
|
2966 return IObuff;
|
|
|
2967 }
|
|
|
2968
|
|
|
2969 return NULL;
|
|
|
2970 }
|
|
|
2971
|
|
|
2972 /*
|
|
|
2973 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2974 * user defined variable or function names.
|
|
|
2975 */
|
|
|
2976 /*ARGSUSED*/
|
|
|
2977 char_u *
|
|
|
2978 get_expr_name(xp, idx)
|
|
|
2979 expand_T *xp;
|
|
|
2980 int idx;
|
|
|
2981 {
|
|
|
2982 static int intidx = -1;
|
|
|
2983 char_u *name;
|
|
|
2984
|
|
|
2985 if (idx == 0)
|
|
|
2986 intidx = -1;
|
|
|
2987 if (intidx < 0)
|
|
|
2988 {
|
|
|
2989 name = get_function_name(xp, idx);
|
|
|
2990 if (name != NULL)
|
|
|
2991 return name;
|
|
|
2992 }
|
|
|
2993 return get_user_var_name(xp, ++intidx);
|
|
|
2994 }
|
|
|
2995
|
|
|
2996 #endif /* FEAT_CMDL_COMPL */
|
|
|
2997
|
|
|
2998 /*
|
|
|
2999 * Find internal function in table above.
|
|
|
3000 * Return index, or -1 if not found
|
|
|
3001 */
|
|
|
3002 static int
|
|
|
3003 find_internal_func(name)
|
|
|
3004 char_u *name; /* name of the function */
|
|
|
3005 {
|
|
|
3006 int first = 0;
|
|
|
3007 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
3008 int cmp;
|
|
|
3009 int x;
|
|
|
3010
|
|
|
3011 /*
|
|
|
3012 * Find the function name in the table. Binary search.
|
|
|
3013 */
|
|
|
3014 while (first <= last)
|
|
|
3015 {
|
|
|
3016 x = first + ((unsigned)(last - first) >> 1);
|
|
|
3017 cmp = STRCMP(name, functions[x].f_name);
|
|
|
3018 if (cmp < 0)
|
|
|
3019 last = x - 1;
|
|
|
3020 else if (cmp > 0)
|
|
|
3021 first = x + 1;
|
|
|
3022 else
|
|
|
3023 return x;
|
|
|
3024 }
|
|
|
3025 return -1;
|
|
|
3026 }
|
|
|
3027
|
|
|
3028 /*
|
|
|
3029 * Allocate a variable for the result of a function.
|
|
|
3030 * Return OK or FAIL.
|
|
|
3031 */
|
|
|
3032 static int
|
|
|
3033 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3034 char_u *name; /* name of the function */
|
|
|
3035 int len; /* length of "name" */
|
|
|
3036 VAR retvar;
|
|
|
3037 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3038 linenr_T firstline; /* first line of range */
|
|
|
3039 linenr_T lastline; /* last line of range */
|
|
|
3040 int *doesrange; /* return: function handled range */
|
|
|
3041 int evaluate;
|
|
|
3042 {
|
|
|
3043 char_u *argp;
|
|
|
3044 int ret = OK;
|
|
|
3045 #define MAX_FUNC_ARGS 20
|
|
|
3046 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3047 int argcount = 0; /* number of arguments found */
|
|
|
3048
|
|
|
3049 /*
|
|
|
3050 * Get the arguments.
|
|
|
3051 */
|
|
|
3052 argp = *arg;
|
|
|
3053 while (argcount < MAX_FUNC_ARGS)
|
|
|
3054 {
|
|
|
3055 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3056 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3057 break;
|
|
|
3058 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3059 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3060 {
|
|
|
3061 ret = FAIL;
|
|
|
3062 break;
|
|
|
3063 }
|
|
|
3064 ++argcount;
|
|
|
3065 if (*argp != ',')
|
|
|
3066 break;
|
|
|
3067 }
|
|
|
3068 if (*argp == ')')
|
|
|
3069 ++argp;
|
|
|
3070 else
|
|
|
3071 ret = FAIL;
|
|
|
3072
|
|
|
3073 if (ret == OK)
|
|
|
3074 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3075 firstline, lastline, doesrange, evaluate);
|
|
|
3076 else if (!aborting())
|
|
|
3077 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3078
|
|
|
3079 while (--argcount >= 0)
|
|
|
3080 clear_var(&argvars[argcount]);
|
|
|
3081
|
|
|
3082 *arg = skipwhite(argp);
|
|
|
3083 return ret;
|
|
|
3084 }
|
|
|
3085
|
|
|
3086
|
|
|
3087 /*
|
|
|
3088 * Call a function with its resolved parameters
|
|
|
3089 * Return OK or FAIL.
|
|
|
3090 */
|
|
|
3091 static int
|
|
|
3092 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3093 doesrange, evaluate)
|
|
|
3094 char_u *name; /* name of the function */
|
|
|
3095 int len; /* length of "name" */
|
|
|
3096 VAR retvar; /* return value goes here */
|
|
|
3097 int argcount; /* number of "argvars" */
|
|
|
3098 VAR argvars; /* vars for arguments */
|
|
|
3099 linenr_T firstline; /* first line of range */
|
|
|
3100 linenr_T lastline; /* last line of range */
|
|
|
3101 int *doesrange; /* return: function handled range */
|
|
|
3102 int evaluate;
|
|
|
3103 {
|
|
|
3104 int ret = FAIL;
|
|
|
3105 static char *errors[] =
|
|
|
3106 {N_("E117: Unknown function: %s"),
|
|
|
3107 N_("E118: Too many arguments for function: %s"),
|
|
|
3108 N_("E119: Not enough arguments for function: %s"),
|
|
|
3109 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3110 };
|
|
|
3111 #define ERROR_UNKNOWN 0
|
|
|
3112 #define ERROR_TOOMANY 1
|
|
|
3113 #define ERROR_TOOFEW 2
|
|
|
3114 #define ERROR_SCRIPT 3
|
|
|
3115 #define ERROR_NONE 4
|
|
|
3116 #define ERROR_OTHER 5
|
|
|
3117 int error = ERROR_NONE;
|
|
|
3118 int i;
|
|
|
3119 int llen;
|
|
|
3120 ufunc_T *fp;
|
|
|
3121 int cc;
|
|
|
3122 #define FLEN_FIXED 40
|
|
|
3123 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3124 char_u *fname;
|
|
|
3125
|
|
|
3126 /*
|
|
|
3127 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3128 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3129 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3130 */
|
|
|
3131 cc = name[len];
|
|
|
3132 name[len] = NUL;
|
|
|
3133 llen = eval_fname_script(name);
|
|
|
3134 if (llen > 0)
|
|
|
3135 {
|
|
|
3136 fname_buf[0] = K_SPECIAL;
|
|
|
3137 fname_buf[1] = KS_EXTRA;
|
|
|
3138 fname_buf[2] = (int)KE_SNR;
|
|
|
3139 i = 3;
|
|
|
3140 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3141 {
|
|
|
3142 if (current_SID <= 0)
|
|
|
3143 error = ERROR_SCRIPT;
|
|
|
3144 else
|
|
|
3145 {
|
|
|
3146 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3147 i = (int)STRLEN(fname_buf);
|
|
|
3148 }
|
|
|
3149 }
|
|
|
3150 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3151 {
|
|
|
3152 STRCPY(fname_buf + i, name + llen);
|
|
|
3153 fname = fname_buf;
|
|
|
3154 }
|
|
|
3155 else
|
|
|
3156 {
|
|
|
3157 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3158 if (fname == NULL)
|
|
|
3159 error = ERROR_OTHER;
|
|
|
3160 else
|
|
|
3161 {
|
|
|
3162 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3163 STRCPY(fname + i, name + llen);
|
|
|
3164 }
|
|
|
3165 }
|
|
|
3166 }
|
|
|
3167 else
|
|
|
3168 fname = name;
|
|
|
3169
|
|
|
3170 *doesrange = FALSE;
|
|
|
3171
|
|
|
3172
|
|
|
3173 /* execute the function if no errors detected and executing */
|
|
|
3174 if (evaluate && error == ERROR_NONE)
|
|
|
3175 {
|
|
|
3176 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3177 error = ERROR_UNKNOWN;
|
|
|
3178
|
|
|
3179 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3180 {
|
|
|
3181 /*
|
|
|
3182 * User defined function.
|
|
|
3183 */
|
|
|
3184 fp = find_func(fname);
|
|
|
3185 #ifdef FEAT_AUTOCMD
|
|
|
3186 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3187 fname, fname, TRUE, NULL)
|
|
|
3188 #ifdef FEAT_EVAL
|
|
|
3189 && !aborting()
|
|
|
3190 #endif
|
|
|
3191 )
|
|
|
3192 {
|
|
|
3193 /* executed an autocommand, search for function again */
|
|
|
3194 fp = find_func(fname);
|
|
|
3195 }
|
|
|
3196 #endif
|
|
|
3197 if (fp != NULL)
|
|
|
3198 {
|
|
|
3199 if (fp->flags & FC_RANGE)
|
|
|
3200 *doesrange = TRUE;
|
|
|
3201 if (argcount < fp->args.ga_len)
|
|
|
3202 error = ERROR_TOOFEW;
|
|
|
3203 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3204 error = ERROR_TOOMANY;
|
|
|
3205 else
|
|
|
3206 {
|
|
|
3207 /*
|
|
|
3208 * Call the user function.
|
|
|
3209 * Save and restore search patterns, script variables and
|
|
|
3210 * redo buffer.
|
|
|
3211 */
|
|
|
3212 save_search_patterns();
|
|
|
3213 saveRedobuff();
|
|
|
3214 ++fp->calls;
|
|
|
3215 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3216 firstline, lastline);
|
|
|
3217 --fp->calls;
|
|
|
3218 restoreRedobuff();
|
|
|
3219 restore_search_patterns();
|
|
|
3220 error = ERROR_NONE;
|
|
|
3221 }
|
|
|
3222 }
|
|
|
3223 }
|
|
|
3224 else
|
|
|
3225 {
|
|
|
3226 /*
|
|
|
3227 * Find the function name in the table, call its implementation.
|
|
|
3228 */
|
|
|
3229 i = find_internal_func(fname);
|
|
|
3230 if (i >= 0)
|
|
|
3231 {
|
|
|
3232 if (argcount < functions[i].f_min_argc)
|
|
|
3233 error = ERROR_TOOFEW;
|
|
|
3234 else if (argcount > functions[i].f_max_argc)
|
|
|
3235 error = ERROR_TOOMANY;
|
|
|
3236 else
|
|
|
3237 {
|
|
|
3238 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3239 functions[i].f_func(argvars, retvar);
|
|
|
3240 error = ERROR_NONE;
|
|
|
3241 }
|
|
|
3242 }
|
|
|
3243 }
|
|
|
3244 /*
|
|
|
3245 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3246 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3247 * exception that has not been caught so far. This situation can be
|
|
|
3248 * tested for by calling aborting(). For an error in an internal
|
|
|
3249 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3250 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3251 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3252 * update that flag first to make aborting() reliable.
|
|
|
3253 */
|
|
|
3254 update_force_abort();
|
|
|
3255 }
|
|
|
3256 if (error == ERROR_NONE)
|
|
|
3257 ret = OK;
|
|
|
3258
|
|
|
3259 /*
|
|
|
3260 * Report an error unless the argument evaluation or function call has been
|
|
|
3261 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3262 */
|
|
|
3263 if (error < ERROR_NONE && !aborting())
|
|
|
3264 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3265
|
|
|
3266 name[len] = cc;
|
|
|
3267 if (fname != name && fname != fname_buf)
|
|
|
3268 vim_free(fname);
|
|
|
3269
|
|
|
3270 return ret;
|
|
|
3271 }
|
|
|
3272
|
|
|
3273 /*********************************************
|
|
|
3274 * Implementation of the built-in functions
|
|
|
3275 */
|
|
|
3276
|
|
|
3277 /*
|
|
|
3278 * "append(lnum, string)" function
|
|
|
3279 */
|
|
|
3280 static void
|
|
|
3281 f_append(argvars, retvar)
|
|
|
3282 VAR argvars;
|
|
|
3283 VAR retvar;
|
|
|
3284 {
|
|
|
3285 long lnum;
|
|
|
3286
|
|
|
3287 lnum = get_var_lnum(argvars);
|
|
|
3288 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3289
|
|
|
3290 if (lnum >= 0
|
|
|
3291 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3292 && u_save(lnum, lnum + 1) == OK)
|
|
|
3293 {
|
|
|
3294 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3295 if (curwin->w_cursor.lnum > lnum)
|
|
|
3296 ++curwin->w_cursor.lnum;
|
|
|
3297 appended_lines_mark(lnum, 1L);
|
|
|
3298 retvar->var_val.var_number = 0;
|
|
|
3299 }
|
|
|
3300 }
|
|
|
3301
|
|
|
3302 /*
|
|
|
3303 * "argc()" function
|
|
|
3304 */
|
|
|
3305 /* ARGSUSED */
|
|
|
3306 static void
|
|
|
3307 f_argc(argvars, retvar)
|
|
|
3308 VAR argvars;
|
|
|
3309 VAR retvar;
|
|
|
3310 {
|
|
|
3311 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3312 }
|
|
|
3313
|
|
|
3314 /*
|
|
|
3315 * "argidx()" function
|
|
|
3316 */
|
|
|
3317 /* ARGSUSED */
|
|
|
3318 static void
|
|
|
3319 f_argidx(argvars, retvar)
|
|
|
3320 VAR argvars;
|
|
|
3321 VAR retvar;
|
|
|
3322 {
|
|
|
3323 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3324 }
|
|
|
3325
|
|
|
3326 /*
|
|
|
3327 * "argv(nr)" function
|
|
|
3328 */
|
|
|
3329 static void
|
|
|
3330 f_argv(argvars, retvar)
|
|
|
3331 VAR argvars;
|
|
|
3332 VAR retvar;
|
|
|
3333 {
|
|
|
3334 int idx;
|
|
|
3335
|
|
|
3336 idx = get_var_number(&argvars[0]);
|
|
|
3337 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3338 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3339 else
|
|
|
3340 retvar->var_val.var_string = NULL;
|
|
|
3341 retvar->var_type = VAR_STRING;
|
|
|
3342 }
|
|
|
3343
|
|
|
3344 /*
|
|
|
3345 * "browse(save, title, initdir, default)" function
|
|
|
3346 */
|
|
|
3347 /* ARGSUSED */
|
|
|
3348 static void
|
|
|
3349 f_browse(argvars, retvar)
|
|
|
3350 VAR argvars;
|
|
|
3351 VAR retvar;
|
|
|
3352 {
|
|
|
3353 #ifdef FEAT_BROWSE
|
|
|
3354 int save;
|
|
|
3355 char_u *title;
|
|
|
3356 char_u *initdir;
|
|
|
3357 char_u *defname;
|
|
|
3358 char_u buf[NUMBUFLEN];
|
|
|
3359 char_u buf2[NUMBUFLEN];
|
|
|
3360
|
|
|
3361 save = get_var_number(&argvars[0]);
|
|
|
3362 title = get_var_string(&argvars[1]);
|
|
|
3363 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3364 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3365
|
|
|
3366 retvar->var_val.var_string =
|
|
|
3367 do_browse(save, title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3368 #else
|
|
|
3369 retvar->var_val.var_string = NULL;
|
|
|
3370 #endif
|
|
|
3371 retvar->var_type = VAR_STRING;
|
|
|
3372 }
|
|
|
3373
|
|
|
3374 /*
|
|
|
3375 * Find a buffer by number or exact name.
|
|
|
3376 */
|
|
|
3377 static buf_T *
|
|
|
3378 find_buffer(avar)
|
|
|
3379 VAR avar;
|
|
|
3380 {
|
|
|
3381 buf_T *buf = NULL;
|
|
|
3382 char_u *name;
|
|
|
3383
|
|
|
3384 if (avar->var_type == VAR_NUMBER)
|
|
|
3385 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3386 else if (avar->var_val.var_string != NULL)
|
|
|
3387 {
|
|
|
3388 /* First make the name into a full path name */
|
|
|
3389 name = FullName_save(avar->var_val.var_string,
|
|
|
3390 #ifdef UNIX
|
|
|
3391 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3392 #else
|
|
|
3393 FALSE
|
|
|
3394 #endif
|
|
|
3395 );
|
|
|
3396 if (name != NULL)
|
|
|
3397 {
|
|
|
3398 buf = buflist_findname(name);
|
|
|
3399 vim_free(name);
|
|
|
3400 }
|
|
9
|
3401 if (buf == NULL)
|
|
|
3402 {
|
|
|
3403 /* No full path name match, try a match with a URL or a "nofile"
|
|
|
3404 * buffer, these don't use the full path. */
|
|
|
3405 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
3406 if (buf->b_fname != NULL
|
|
|
3407 && (path_with_url(buf->b_fname)
|
|
|
3408 #ifdef FEAT_QUICKFIX
|
|
|
3409 || bt_nofile(buf)
|
|
|
3410 #endif
|
|
|
3411 )
|
|
|
3412 && STRCMP(buf->b_fname, avar->var_val.var_string) == 0)
|
|
|
3413 break;
|
|
|
3414 }
|
|
7
|
3415 }
|
|
|
3416 return buf;
|
|
|
3417 }
|
|
|
3418
|
|
|
3419 /*
|
|
|
3420 * "bufexists(expr)" function
|
|
|
3421 */
|
|
|
3422 static void
|
|
|
3423 f_bufexists(argvars, retvar)
|
|
|
3424 VAR argvars;
|
|
|
3425 VAR retvar;
|
|
|
3426 {
|
|
|
3427 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3428 }
|
|
|
3429
|
|
|
3430 /*
|
|
|
3431 * "buflisted(expr)" function
|
|
|
3432 */
|
|
|
3433 static void
|
|
|
3434 f_buflisted(argvars, retvar)
|
|
|
3435 VAR argvars;
|
|
|
3436 VAR retvar;
|
|
|
3437 {
|
|
|
3438 buf_T *buf;
|
|
|
3439
|
|
|
3440 buf = find_buffer(&argvars[0]);
|
|
|
3441 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3442 }
|
|
|
3443
|
|
|
3444 /*
|
|
|
3445 * "bufloaded(expr)" function
|
|
|
3446 */
|
|
|
3447 static void
|
|
|
3448 f_bufloaded(argvars, retvar)
|
|
|
3449 VAR argvars;
|
|
|
3450 VAR retvar;
|
|
|
3451 {
|
|
|
3452 buf_T *buf;
|
|
|
3453
|
|
|
3454 buf = find_buffer(&argvars[0]);
|
|
|
3455 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3456 }
|
|
|
3457
|
|
|
3458 /*
|
|
|
3459 * Get buffer by number or pattern.
|
|
|
3460 */
|
|
|
3461 static buf_T *
|
|
|
3462 get_buf_var(avar)
|
|
|
3463 VAR avar;
|
|
|
3464 {
|
|
|
3465 char_u *name = avar->var_val.var_string;
|
|
|
3466 int save_magic;
|
|
|
3467 char_u *save_cpo;
|
|
|
3468 buf_T *buf;
|
|
|
3469
|
|
|
3470 if (avar->var_type == VAR_NUMBER)
|
|
|
3471 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3472 if (name == NULL || *name == NUL)
|
|
|
3473 return curbuf;
|
|
|
3474 if (name[0] == '$' && name[1] == NUL)
|
|
|
3475 return lastbuf;
|
|
|
3476
|
|
|
3477 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3478 save_magic = p_magic;
|
|
|
3479 p_magic = TRUE;
|
|
|
3480 save_cpo = p_cpo;
|
|
|
3481 p_cpo = (char_u *)"";
|
|
|
3482
|
|
|
3483 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3484 TRUE, FALSE));
|
|
|
3485
|
|
|
3486 p_magic = save_magic;
|
|
|
3487 p_cpo = save_cpo;
|
|
|
3488
|
|
|
3489 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3490 if (buf == NULL)
|
|
|
3491 buf = find_buffer(avar);
|
|
|
3492
|
|
|
3493 return buf;
|
|
|
3494 }
|
|
|
3495
|
|
|
3496 /*
|
|
|
3497 * "bufname(expr)" function
|
|
|
3498 */
|
|
|
3499 static void
|
|
|
3500 f_bufname(argvars, retvar)
|
|
|
3501 VAR argvars;
|
|
|
3502 VAR retvar;
|
|
|
3503 {
|
|
|
3504 buf_T *buf;
|
|
|
3505
|
|
|
3506 ++emsg_off;
|
|
|
3507 buf = get_buf_var(&argvars[0]);
|
|
|
3508 retvar->var_type = VAR_STRING;
|
|
|
3509 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3510 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3511 else
|
|
|
3512 retvar->var_val.var_string = NULL;
|
|
|
3513 --emsg_off;
|
|
|
3514 }
|
|
|
3515
|
|
|
3516 /*
|
|
|
3517 * "bufnr(expr)" function
|
|
|
3518 */
|
|
|
3519 static void
|
|
|
3520 f_bufnr(argvars, retvar)
|
|
|
3521 VAR argvars;
|
|
|
3522 VAR retvar;
|
|
|
3523 {
|
|
|
3524 buf_T *buf;
|
|
|
3525
|
|
|
3526 ++emsg_off;
|
|
|
3527 buf = get_buf_var(&argvars[0]);
|
|
|
3528 if (buf != NULL)
|
|
|
3529 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3530 else
|
|
|
3531 retvar->var_val.var_number = -1;
|
|
|
3532 --emsg_off;
|
|
|
3533 }
|
|
|
3534
|
|
|
3535 /*
|
|
|
3536 * "bufwinnr(nr)" function
|
|
|
3537 */
|
|
|
3538 static void
|
|
|
3539 f_bufwinnr(argvars, retvar)
|
|
|
3540 VAR argvars;
|
|
|
3541 VAR retvar;
|
|
|
3542 {
|
|
|
3543 #ifdef FEAT_WINDOWS
|
|
|
3544 win_T *wp;
|
|
|
3545 int winnr = 0;
|
|
|
3546 #endif
|
|
|
3547 buf_T *buf;
|
|
|
3548
|
|
|
3549 ++emsg_off;
|
|
|
3550 buf = get_buf_var(&argvars[0]);
|
|
|
3551 #ifdef FEAT_WINDOWS
|
|
|
3552 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3553 {
|
|
|
3554 ++winnr;
|
|
|
3555 if (wp->w_buffer == buf)
|
|
|
3556 break;
|
|
|
3557 }
|
|
|
3558 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3559 #else
|
|
|
3560 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3561 #endif
|
|
|
3562 --emsg_off;
|
|
|
3563 }
|
|
|
3564
|
|
|
3565 /*
|
|
|
3566 * "byte2line(byte)" function
|
|
|
3567 */
|
|
|
3568 /*ARGSUSED*/
|
|
|
3569 static void
|
|
|
3570 f_byte2line(argvars, retvar)
|
|
|
3571 VAR argvars;
|
|
|
3572 VAR retvar;
|
|
|
3573 {
|
|
|
3574 #ifndef FEAT_BYTEOFF
|
|
|
3575 retvar->var_val.var_number = -1;
|
|
|
3576 #else
|
|
|
3577 long boff = 0;
|
|
|
3578
|
|
|
3579 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3580 if (boff < 0)
|
|
|
3581 retvar->var_val.var_number = -1;
|
|
|
3582 else
|
|
|
3583 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3584 (linenr_T)0, &boff);
|
|
|
3585 #endif
|
|
|
3586 }
|
|
|
3587
|
|
|
3588 /*
|
|
|
3589 * "char2nr(string)" function
|
|
|
3590 */
|
|
|
3591 static void
|
|
|
3592 f_char2nr(argvars, retvar)
|
|
|
3593 VAR argvars;
|
|
|
3594 VAR retvar;
|
|
|
3595 {
|
|
|
3596 #ifdef FEAT_MBYTE
|
|
|
3597 if (has_mbyte)
|
|
|
3598 retvar->var_val.var_number =
|
|
|
3599 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3600 else
|
|
|
3601 #endif
|
|
|
3602 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3603 }
|
|
|
3604
|
|
|
3605 /*
|
|
|
3606 * "cindent(lnum)" function
|
|
|
3607 */
|
|
|
3608 static void
|
|
|
3609 f_cindent(argvars, retvar)
|
|
|
3610 VAR argvars;
|
|
|
3611 VAR retvar;
|
|
|
3612 {
|
|
|
3613 #ifdef FEAT_CINDENT
|
|
|
3614 pos_T pos;
|
|
|
3615 linenr_T lnum;
|
|
|
3616
|
|
|
3617 pos = curwin->w_cursor;
|
|
|
3618 lnum = get_var_lnum(argvars);
|
|
|
3619 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3620 {
|
|
|
3621 curwin->w_cursor.lnum = lnum;
|
|
|
3622 retvar->var_val.var_number = get_c_indent();
|
|
|
3623 curwin->w_cursor = pos;
|
|
|
3624 }
|
|
|
3625 else
|
|
|
3626 #endif
|
|
|
3627 retvar->var_val.var_number = -1;
|
|
|
3628 }
|
|
|
3629
|
|
|
3630 /*
|
|
|
3631 * "col(string)" function
|
|
|
3632 */
|
|
|
3633 static void
|
|
|
3634 f_col(argvars, retvar)
|
|
|
3635 VAR argvars;
|
|
|
3636 VAR retvar;
|
|
|
3637 {
|
|
|
3638 colnr_T col = 0;
|
|
|
3639 pos_T *fp;
|
|
|
3640
|
|
|
3641 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3642 if (fp != NULL)
|
|
|
3643 {
|
|
|
3644 if (fp->col == MAXCOL)
|
|
|
3645 {
|
|
|
3646 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3647 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3648 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3649 else
|
|
|
3650 col = MAXCOL;
|
|
|
3651 }
|
|
|
3652 else
|
|
|
3653 {
|
|
|
3654 col = fp->col + 1;
|
|
|
3655 #ifdef FEAT_VIRTUALEDIT
|
|
|
3656 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3657 * because of "coladd" can be seen as an extra column. */
|
|
|
3658 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3659 {
|
|
|
3660 char_u *p = ml_get_cursor();
|
|
|
3661
|
|
|
3662 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3663 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3664 {
|
|
|
3665 # ifdef FEAT_MBYTE
|
|
|
3666 int l;
|
|
|
3667
|
|
|
3668 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3669 col += l;
|
|
|
3670 # else
|
|
|
3671 if (*p != NUL && p[1] == NUL)
|
|
|
3672 ++col;
|
|
|
3673 # endif
|
|
|
3674 }
|
|
|
3675 }
|
|
|
3676 #endif
|
|
|
3677 }
|
|
|
3678 }
|
|
|
3679 retvar->var_val.var_number = col;
|
|
|
3680 }
|
|
|
3681
|
|
|
3682 /*
|
|
|
3683 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3684 */
|
|
|
3685 /*ARGSUSED*/
|
|
|
3686 static void
|
|
|
3687 f_confirm(argvars, retvar)
|
|
|
3688 VAR argvars;
|
|
|
3689 VAR retvar;
|
|
|
3690 {
|
|
|
3691 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3692 char_u *message;
|
|
|
3693 char_u *buttons = NULL;
|
|
|
3694 char_u buf[NUMBUFLEN];
|
|
|
3695 char_u buf2[NUMBUFLEN];
|
|
|
3696 int def = 1;
|
|
|
3697 int type = VIM_GENERIC;
|
|
|
3698 int c;
|
|
|
3699
|
|
|
3700 message = get_var_string(&argvars[0]);
|
|
|
3701 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3702 {
|
|
|
3703 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3704 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3705 {
|
|
|
3706 def = get_var_number(&argvars[2]);
|
|
|
3707 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3708 {
|
|
|
3709 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3710 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3711 switch (TOUPPER_ASC(c))
|
|
|
3712 {
|
|
|
3713 case 'E': type = VIM_ERROR; break;
|
|
|
3714 case 'Q': type = VIM_QUESTION; break;
|
|
|
3715 case 'I': type = VIM_INFO; break;
|
|
|
3716 case 'W': type = VIM_WARNING; break;
|
|
|
3717 case 'G': type = VIM_GENERIC; break;
|
|
|
3718 }
|
|
|
3719 }
|
|
|
3720 }
|
|
|
3721 }
|
|
|
3722
|
|
|
3723 if (buttons == NULL || *buttons == NUL)
|
|
|
3724 buttons = (char_u *)_("&Ok");
|
|
|
3725
|
|
|
3726 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3727 def, NULL);
|
|
|
3728 #else
|
|
|
3729 retvar->var_val.var_number = 0;
|
|
|
3730 #endif
|
|
|
3731 }
|
|
|
3732
|
|
|
3733
|
|
|
3734 /*
|
|
|
3735 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3736 *
|
|
|
3737 * Checks the existence of a cscope connection.
|
|
|
3738 */
|
|
|
3739 /*ARGSUSED*/
|
|
|
3740 static void
|
|
|
3741 f_cscope_connection(argvars, retvar)
|
|
|
3742 VAR argvars;
|
|
|
3743 VAR retvar;
|
|
|
3744 {
|
|
|
3745 #ifdef FEAT_CSCOPE
|
|
|
3746 int num = 0;
|
|
|
3747 char_u *dbpath = NULL;
|
|
|
3748 char_u *prepend = NULL;
|
|
|
3749 char_u buf[NUMBUFLEN];
|
|
|
3750
|
|
|
3751 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3752 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3753 {
|
|
|
3754 num = (int)get_var_number(&argvars[0]);
|
|
|
3755 dbpath = get_var_string(&argvars[1]);
|
|
|
3756 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3757 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3758 }
|
|
|
3759
|
|
|
3760 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3761 #else
|
|
|
3762 retvar->var_val.var_number = 0;
|
|
|
3763 #endif
|
|
|
3764 }
|
|
|
3765
|
|
|
3766 /*
|
|
|
3767 * "cursor(lnum, col)" function
|
|
|
3768 *
|
|
|
3769 * Moves the cursor to the specified line and column
|
|
|
3770 */
|
|
|
3771 /*ARGSUSED*/
|
|
|
3772 static void
|
|
|
3773 f_cursor(argvars, retvar)
|
|
|
3774 VAR argvars;
|
|
|
3775 VAR retvar;
|
|
|
3776 {
|
|
|
3777 long line, col;
|
|
|
3778
|
|
|
3779 line = get_var_lnum(argvars);
|
|
|
3780 if (line > 0)
|
|
|
3781 curwin->w_cursor.lnum = line;
|
|
|
3782 col = get_var_number(&argvars[1]);
|
|
|
3783 if (col > 0)
|
|
|
3784 curwin->w_cursor.col = col - 1;
|
|
|
3785 #ifdef FEAT_VIRTUALEDIT
|
|
|
3786 curwin->w_cursor.coladd = 0;
|
|
|
3787 #endif
|
|
|
3788
|
|
|
3789 /* Make sure the cursor is in a valid position. */
|
|
|
3790 check_cursor();
|
|
|
3791 #ifdef FEAT_MBYTE
|
|
|
3792 /* Correct cursor for multi-byte character. */
|
|
|
3793 if (has_mbyte)
|
|
|
3794 mb_adjust_cursor();
|
|
|
3795 #endif
|
|
10
|
3796
|
|
|
3797 curwin->w_set_curswant = TRUE;
|
|
7
|
3798 }
|
|
|
3799
|
|
|
3800 /*
|
|
|
3801 * "libcall()" function
|
|
|
3802 */
|
|
|
3803 static void
|
|
|
3804 f_libcall(argvars, retvar)
|
|
|
3805 VAR argvars;
|
|
|
3806 VAR retvar;
|
|
|
3807 {
|
|
|
3808 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3809 }
|
|
|
3810
|
|
|
3811 /*
|
|
|
3812 * "libcallnr()" function
|
|
|
3813 */
|
|
|
3814 static void
|
|
|
3815 f_libcallnr(argvars, retvar)
|
|
|
3816 VAR argvars;
|
|
|
3817 VAR retvar;
|
|
|
3818 {
|
|
|
3819 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3820 }
|
|
|
3821
|
|
|
3822 static void
|
|
|
3823 libcall_common(argvars, retvar, type)
|
|
|
3824 VAR argvars;
|
|
|
3825 VAR retvar;
|
|
|
3826 int type;
|
|
|
3827 {
|
|
|
3828 #ifdef FEAT_LIBCALL
|
|
|
3829 char_u *string_in;
|
|
|
3830 char_u **string_result;
|
|
|
3831 int nr_result;
|
|
|
3832 #endif
|
|
|
3833
|
|
|
3834 retvar->var_type = type;
|
|
|
3835 if (type == VAR_NUMBER)
|
|
|
3836 retvar->var_val.var_number = 0;
|
|
|
3837 else
|
|
|
3838 retvar->var_val.var_string = NULL;
|
|
|
3839
|
|
|
3840 if (check_restricted() || check_secure())
|
|
|
3841 return;
|
|
|
3842
|
|
|
3843 #ifdef FEAT_LIBCALL
|
|
|
3844 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3845 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3846 {
|
|
|
3847 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3848 string_in = NULL;
|
|
|
3849 else
|
|
|
3850 string_in = argvars[2].var_val.var_string;
|
|
|
3851 if (type == VAR_NUMBER)
|
|
|
3852 string_result = NULL;
|
|
|
3853 else
|
|
|
3854 string_result = &retvar->var_val.var_string;
|
|
|
3855 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3856 argvars[1].var_val.var_string,
|
|
|
3857 string_in,
|
|
|
3858 argvars[2].var_val.var_number,
|
|
|
3859 string_result,
|
|
|
3860 &nr_result) == OK
|
|
|
3861 && type == VAR_NUMBER)
|
|
|
3862 retvar->var_val.var_number = nr_result;
|
|
|
3863 }
|
|
|
3864 #endif
|
|
|
3865 }
|
|
|
3866
|
|
|
3867 /*
|
|
|
3868 * "delete()" function
|
|
|
3869 */
|
|
|
3870 static void
|
|
|
3871 f_delete(argvars, retvar)
|
|
|
3872 VAR argvars;
|
|
|
3873 VAR retvar;
|
|
|
3874 {
|
|
|
3875 if (check_restricted() || check_secure())
|
|
|
3876 retvar->var_val.var_number = -1;
|
|
|
3877 else
|
|
|
3878 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3879 }
|
|
|
3880
|
|
|
3881 /*
|
|
|
3882 * "did_filetype()" function
|
|
|
3883 */
|
|
|
3884 /*ARGSUSED*/
|
|
|
3885 static void
|
|
|
3886 f_did_filetype(argvars, retvar)
|
|
|
3887 VAR argvars;
|
|
|
3888 VAR retvar;
|
|
|
3889 {
|
|
|
3890 #ifdef FEAT_AUTOCMD
|
|
|
3891 retvar->var_val.var_number = did_filetype;
|
|
|
3892 #else
|
|
|
3893 retvar->var_val.var_number = 0;
|
|
|
3894 #endif
|
|
|
3895 }
|
|
|
3896
|
|
|
3897 /*
|
|
|
3898 * "escape({string}, {chars})" function
|
|
|
3899 */
|
|
|
3900 static void
|
|
|
3901 f_escape(argvars, retvar)
|
|
|
3902 VAR argvars;
|
|
|
3903 VAR retvar;
|
|
|
3904 {
|
|
|
3905 char_u buf[NUMBUFLEN];
|
|
|
3906
|
|
|
3907 retvar->var_val.var_string =
|
|
|
3908 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
3909 get_var_string_buf(&argvars[1], buf));
|
|
|
3910 retvar->var_type = VAR_STRING;
|
|
|
3911 }
|
|
|
3912
|
|
|
3913 /*
|
|
|
3914 * "eventhandler()" function
|
|
|
3915 */
|
|
|
3916 /*ARGSUSED*/
|
|
|
3917 static void
|
|
|
3918 f_eventhandler(argvars, retvar)
|
|
|
3919 VAR argvars;
|
|
|
3920 VAR retvar;
|
|
|
3921 {
|
|
|
3922 retvar->var_val.var_number = vgetc_busy;
|
|
|
3923 }
|
|
|
3924
|
|
|
3925 /*
|
|
|
3926 * "executable()" function
|
|
|
3927 */
|
|
|
3928 static void
|
|
|
3929 f_executable(argvars, retvar)
|
|
|
3930 VAR argvars;
|
|
|
3931 VAR retvar;
|
|
|
3932 {
|
|
|
3933 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
3934 }
|
|
|
3935
|
|
|
3936 /*
|
|
|
3937 * "exists()" function
|
|
|
3938 */
|
|
|
3939 static void
|
|
|
3940 f_exists(argvars, retvar)
|
|
|
3941 VAR argvars;
|
|
|
3942 VAR retvar;
|
|
|
3943 {
|
|
|
3944 char_u *p;
|
|
|
3945 char_u *name;
|
|
|
3946 int n = FALSE;
|
|
|
3947 int len = 0;
|
|
|
3948
|
|
|
3949 p = get_var_string(&argvars[0]);
|
|
|
3950 if (*p == '$') /* environment variable */
|
|
|
3951 {
|
|
|
3952 /* first try "normal" environment variables (fast) */
|
|
|
3953 if (mch_getenv(p + 1) != NULL)
|
|
|
3954 n = TRUE;
|
|
|
3955 else
|
|
|
3956 {
|
|
|
3957 /* try expanding things like $VIM and ${HOME} */
|
|
|
3958 p = expand_env_save(p);
|
|
|
3959 if (p != NULL && *p != '$')
|
|
|
3960 n = TRUE;
|
|
|
3961 vim_free(p);
|
|
|
3962 }
|
|
|
3963 }
|
|
|
3964 else if (*p == '&' || *p == '+') /* option */
|
|
|
3965 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
3966 else if (*p == '*') /* internal or user defined function */
|
|
|
3967 {
|
|
|
3968 ++p;
|
|
|
3969 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
3970 if (p != NULL)
|
|
|
3971 {
|
|
|
3972 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
3973 n = (find_func(p) != NULL);
|
|
|
3974 else if (ASCII_ISLOWER(*p))
|
|
|
3975 n = (find_internal_func(p) >= 0);
|
|
|
3976 vim_free(p);
|
|
|
3977 }
|
|
|
3978 }
|
|
|
3979 else if (*p == ':')
|
|
|
3980 {
|
|
|
3981 n = cmd_exists(p + 1);
|
|
|
3982 }
|
|
|
3983 else if (*p == '#')
|
|
|
3984 {
|
|
|
3985 #ifdef FEAT_AUTOCMD
|
|
|
3986 name = p + 1;
|
|
|
3987 p = vim_strchr(name, '#');
|
|
|
3988 if (p != NULL)
|
|
|
3989 n = au_exists(name, p, p + 1);
|
|
|
3990 else
|
|
|
3991 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
3992 #endif
|
|
|
3993 }
|
|
|
3994 else /* internal variable */
|
|
|
3995 {
|
|
|
3996 #ifdef FEAT_MAGIC_BRACES
|
|
|
3997 char_u *expr_start;
|
|
|
3998 char_u *expr_end;
|
|
|
3999 char_u *temp_string = NULL;
|
|
|
4000 char_u *s;
|
|
|
4001 #endif
|
|
|
4002 name = p;
|
|
|
4003
|
|
|
4004 #ifdef FEAT_MAGIC_BRACES
|
|
|
4005 /* Find the end of the name. */
|
|
|
4006 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
4007 if (expr_start != NULL)
|
|
|
4008 {
|
|
|
4009 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
4010 if (temp_string != NULL)
|
|
|
4011 {
|
|
|
4012 len = STRLEN(temp_string);
|
|
|
4013 name = temp_string;
|
|
|
4014 }
|
|
|
4015 }
|
|
|
4016 #endif
|
|
|
4017 if (len == 0)
|
|
|
4018 len = get_id_len(&p);
|
|
|
4019 if (len != 0)
|
|
|
4020 n = (get_var_var(name, len, NULL) == OK);
|
|
|
4021
|
|
|
4022 #ifdef FEAT_MAGIC_BRACES
|
|
|
4023 vim_free(temp_string);
|
|
|
4024 #endif
|
|
|
4025 }
|
|
|
4026
|
|
|
4027 retvar->var_val.var_number = n;
|
|
|
4028 }
|
|
|
4029
|
|
|
4030 /*
|
|
|
4031 * "expand()" function
|
|
|
4032 */
|
|
|
4033 static void
|
|
|
4034 f_expand(argvars, retvar)
|
|
|
4035 VAR argvars;
|
|
|
4036 VAR retvar;
|
|
|
4037 {
|
|
|
4038 char_u *s;
|
|
|
4039 int len;
|
|
|
4040 char_u *errormsg;
|
|
|
4041 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4042 expand_T xpc;
|
|
|
4043
|
|
|
4044 retvar->var_type = VAR_STRING;
|
|
|
4045 s = get_var_string(&argvars[0]);
|
|
|
4046 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4047 {
|
|
|
4048 ++emsg_off;
|
|
|
4049 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4050 --emsg_off;
|
|
|
4051 }
|
|
|
4052 else
|
|
|
4053 {
|
|
|
4054 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4055 * for 'suffixes' and 'wildignore' */
|
|
|
4056 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4057 flags |= WILD_KEEP_ALL;
|
|
|
4058 ExpandInit(&xpc);
|
|
|
4059 xpc.xp_context = EXPAND_FILES;
|
|
|
4060 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4061 ExpandCleanup(&xpc);
|
|
|
4062 }
|
|
|
4063 }
|
|
|
4064
|
|
|
4065 /*
|
|
|
4066 * "filereadable()" function
|
|
|
4067 */
|
|
|
4068 static void
|
|
|
4069 f_filereadable(argvars, retvar)
|
|
|
4070 VAR argvars;
|
|
|
4071 VAR retvar;
|
|
|
4072 {
|
|
|
4073 FILE *fd;
|
|
|
4074 char_u *p;
|
|
|
4075 int n;
|
|
|
4076
|
|
|
4077 p = get_var_string(&argvars[0]);
|
|
|
4078 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4079 {
|
|
|
4080 n = TRUE;
|
|
|
4081 fclose(fd);
|
|
|
4082 }
|
|
|
4083 else
|
|
|
4084 n = FALSE;
|
|
|
4085
|
|
|
4086 retvar->var_val.var_number = n;
|
|
|
4087 }
|
|
|
4088
|
|
|
4089 /*
|
|
|
4090 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4091 * rights to write into.
|
|
|
4092 */
|
|
|
4093 static void
|
|
|
4094 f_filewritable(argvars, retvar)
|
|
|
4095 VAR argvars;
|
|
|
4096 VAR retvar;
|
|
|
4097 {
|
|
|
4098 char_u *p;
|
|
|
4099 int retval = 0;
|
|
|
4100 #if defined(UNIX) || defined(VMS)
|
|
|
4101 int perm = 0;
|
|
|
4102 #endif
|
|
|
4103
|
|
|
4104 p = get_var_string(&argvars[0]);
|
|
|
4105 #if defined(UNIX) || defined(VMS)
|
|
|
4106 perm = mch_getperm(p);
|
|
|
4107 #endif
|
|
|
4108 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4109 if (
|
|
|
4110 # ifdef WIN3264
|
|
|
4111 mch_writable(p) &&
|
|
|
4112 # else
|
|
|
4113 # if defined(UNIX) || defined(VMS)
|
|
|
4114 (perm & 0222) &&
|
|
|
4115 # endif
|
|
|
4116 # endif
|
|
|
4117 mch_access((char *)p, W_OK) == 0
|
|
|
4118 )
|
|
|
4119 #endif
|
|
|
4120 {
|
|
|
4121 ++retval;
|
|
|
4122 if (mch_isdir(p))
|
|
|
4123 ++retval;
|
|
|
4124 }
|
|
|
4125 retvar->var_val.var_number = retval;
|
|
|
4126 }
|
|
|
4127
|
|
|
4128 /*
|
|
|
4129 * "fnamemodify({fname}, {mods})" function
|
|
|
4130 */
|
|
|
4131 static void
|
|
|
4132 f_fnamemodify(argvars, retvar)
|
|
|
4133 VAR argvars;
|
|
|
4134 VAR retvar;
|
|
|
4135 {
|
|
|
4136 char_u *fname;
|
|
|
4137 char_u *mods;
|
|
|
4138 int usedlen = 0;
|
|
|
4139 int len;
|
|
|
4140 char_u *fbuf = NULL;
|
|
|
4141 char_u buf[NUMBUFLEN];
|
|
|
4142
|
|
|
4143 fname = get_var_string(&argvars[0]);
|
|
|
4144 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4145 len = (int)STRLEN(fname);
|
|
|
4146
|
|
|
4147 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4148
|
|
|
4149 retvar->var_type = VAR_STRING;
|
|
|
4150 if (fname == NULL)
|
|
|
4151 retvar->var_val.var_string = NULL;
|
|
|
4152 else
|
|
|
4153 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4154 vim_free(fbuf);
|
|
|
4155 }
|
|
|
4156
|
|
|
4157 /*
|
|
|
4158 * "foldclosed()" function
|
|
|
4159 */
|
|
|
4160 static void
|
|
|
4161 f_foldclosed(argvars, retvar)
|
|
|
4162 VAR argvars;
|
|
|
4163 VAR retvar;
|
|
|
4164 {
|
|
|
4165 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4166 }
|
|
|
4167
|
|
|
4168 /*
|
|
|
4169 * "foldclosedend()" function
|
|
|
4170 */
|
|
|
4171 static void
|
|
|
4172 f_foldclosedend(argvars, retvar)
|
|
|
4173 VAR argvars;
|
|
|
4174 VAR retvar;
|
|
|
4175 {
|
|
|
4176 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4177 }
|
|
|
4178
|
|
|
4179 /*
|
|
|
4180 * "foldclosed()" function
|
|
|
4181 */
|
|
|
4182 static void
|
|
|
4183 foldclosed_both(argvars, retvar, end)
|
|
|
4184 VAR argvars;
|
|
|
4185 VAR retvar;
|
|
|
4186 int end;
|
|
|
4187 {
|
|
|
4188 #ifdef FEAT_FOLDING
|
|
|
4189 linenr_T lnum;
|
|
|
4190 linenr_T first, last;
|
|
|
4191
|
|
|
4192 lnum = get_var_lnum(argvars);
|
|
|
4193 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4194 {
|
|
|
4195 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4196 {
|
|
|
4197 if (end)
|
|
|
4198 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4199 else
|
|
|
4200 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4201 return;
|
|
|
4202 }
|
|
|
4203 }
|
|
|
4204 #endif
|
|
|
4205 retvar->var_val.var_number = -1;
|
|
|
4206 }
|
|
|
4207
|
|
|
4208 /*
|
|
|
4209 * "foldlevel()" function
|
|
|
4210 */
|
|
|
4211 static void
|
|
|
4212 f_foldlevel(argvars, retvar)
|
|
|
4213 VAR argvars;
|
|
|
4214 VAR retvar;
|
|
|
4215 {
|
|
|
4216 #ifdef FEAT_FOLDING
|
|
|
4217 linenr_T lnum;
|
|
|
4218
|
|
|
4219 lnum = get_var_lnum(argvars);
|
|
|
4220 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4221 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4222 else
|
|
|
4223 #endif
|
|
|
4224 retvar->var_val.var_number = 0;
|
|
|
4225 }
|
|
|
4226
|
|
|
4227 /*
|
|
|
4228 * "foldtext()" function
|
|
|
4229 */
|
|
|
4230 /*ARGSUSED*/
|
|
|
4231 static void
|
|
|
4232 f_foldtext(argvars, retvar)
|
|
|
4233 VAR argvars;
|
|
|
4234 VAR retvar;
|
|
|
4235 {
|
|
|
4236 #ifdef FEAT_FOLDING
|
|
|
4237 linenr_T lnum;
|
|
|
4238 char_u *s;
|
|
|
4239 char_u *r;
|
|
|
4240 int len;
|
|
|
4241 char *txt;
|
|
|
4242 #endif
|
|
|
4243
|
|
|
4244 retvar->var_type = VAR_STRING;
|
|
|
4245 retvar->var_val.var_string = NULL;
|
|
|
4246 #ifdef FEAT_FOLDING
|
|
|
4247 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4248 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4249 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4250 {
|
|
|
4251 /* Find first non-empty line in the fold. */
|
|
|
4252 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4253 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4254 {
|
|
|
4255 if (!linewhite(lnum))
|
|
|
4256 break;
|
|
|
4257 ++lnum;
|
|
|
4258 }
|
|
|
4259
|
|
|
4260 /* Find interesting text in this line. */
|
|
|
4261 s = skipwhite(ml_get(lnum));
|
|
|
4262 /* skip C comment-start */
|
|
|
4263 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4264 s = skipwhite(s + 2);
|
|
|
4265 txt = _("+-%s%3ld lines: ");
|
|
|
4266 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4267 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4268 + 20 /* for %3ld */
|
|
|
4269 + STRLEN(s))); /* concatenated */
|
|
|
4270 if (r != NULL)
|
|
|
4271 {
|
|
|
4272 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4273 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4274 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4275 len = (int)STRLEN(r);
|
|
|
4276 STRCAT(r, s);
|
|
|
4277 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4278 foldtext_cleanup(r + len);
|
|
|
4279 retvar->var_val.var_string = r;
|
|
|
4280 }
|
|
|
4281 }
|
|
|
4282 #endif
|
|
|
4283 }
|
|
|
4284
|
|
|
4285 /*
|
|
|
4286 * "foreground()" function
|
|
|
4287 */
|
|
|
4288 /*ARGSUSED*/
|
|
|
4289 static void
|
|
|
4290 f_foreground(argvars, retvar)
|
|
|
4291 VAR argvars;
|
|
|
4292 VAR retvar;
|
|
|
4293 {
|
|
|
4294 retvar->var_val.var_number = 0;
|
|
|
4295 #ifdef FEAT_GUI
|
|
|
4296 if (gui.in_use)
|
|
|
4297 gui_mch_set_foreground();
|
|
|
4298 #else
|
|
|
4299 # ifdef WIN32
|
|
|
4300 win32_set_foreground();
|
|
|
4301 # endif
|
|
|
4302 #endif
|
|
|
4303 }
|
|
|
4304
|
|
|
4305 /*
|
|
|
4306 * "getchar()" function
|
|
|
4307 */
|
|
|
4308 static void
|
|
|
4309 f_getchar(argvars, retvar)
|
|
|
4310 VAR argvars;
|
|
|
4311 VAR retvar;
|
|
|
4312 {
|
|
|
4313 varnumber_T n;
|
|
|
4314
|
|
|
4315 ++no_mapping;
|
|
|
4316 ++allow_keys;
|
|
|
4317 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4318 /* getchar(): blocking wait. */
|
|
|
4319 n = safe_vgetc();
|
|
|
4320 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4321 /* getchar(1): only check if char avail */
|
|
|
4322 n = vpeekc();
|
|
|
4323 else if (vpeekc() == NUL)
|
|
|
4324 /* getchar(0) and no char avail: return zero */
|
|
|
4325 n = 0;
|
|
|
4326 else
|
|
|
4327 /* getchar(0) and char avail: return char */
|
|
|
4328 n = safe_vgetc();
|
|
|
4329 --no_mapping;
|
|
|
4330 --allow_keys;
|
|
|
4331
|
|
|
4332 retvar->var_val.var_number = n;
|
|
|
4333 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4334 {
|
|
|
4335 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4336 int i = 0;
|
|
|
4337
|
|
|
4338 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4339 if (mod_mask != 0)
|
|
|
4340 {
|
|
|
4341 temp[i++] = K_SPECIAL;
|
|
|
4342 temp[i++] = KS_MODIFIER;
|
|
|
4343 temp[i++] = mod_mask;
|
|
|
4344 }
|
|
|
4345 if (IS_SPECIAL(n))
|
|
|
4346 {
|
|
|
4347 temp[i++] = K_SPECIAL;
|
|
|
4348 temp[i++] = K_SECOND(n);
|
|
|
4349 temp[i++] = K_THIRD(n);
|
|
|
4350 }
|
|
|
4351 #ifdef FEAT_MBYTE
|
|
|
4352 else if (has_mbyte)
|
|
|
4353 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4354 #endif
|
|
|
4355 else
|
|
|
4356 temp[i++] = n;
|
|
|
4357 temp[i++] = NUL;
|
|
|
4358 retvar->var_type = VAR_STRING;
|
|
|
4359 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4360 }
|
|
|
4361 }
|
|
|
4362
|
|
|
4363 /*
|
|
|
4364 * "getcharmod()" function
|
|
|
4365 */
|
|
|
4366 /*ARGSUSED*/
|
|
|
4367 static void
|
|
|
4368 f_getcharmod(argvars, retvar)
|
|
|
4369 VAR argvars;
|
|
|
4370 VAR retvar;
|
|
|
4371 {
|
|
|
4372 retvar->var_val.var_number = mod_mask;
|
|
|
4373 }
|
|
|
4374
|
|
|
4375 /*
|
|
|
4376 * "getcmdline()" function
|
|
|
4377 */
|
|
|
4378 /*ARGSUSED*/
|
|
|
4379 static void
|
|
|
4380 f_getcmdline(argvars, retvar)
|
|
|
4381 VAR argvars;
|
|
|
4382 VAR retvar;
|
|
|
4383 {
|
|
|
4384 retvar->var_type = VAR_STRING;
|
|
|
4385 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4386 }
|
|
|
4387
|
|
|
4388 /*
|
|
|
4389 * "getcmdpos()" function
|
|
|
4390 */
|
|
|
4391 /*ARGSUSED*/
|
|
|
4392 static void
|
|
|
4393 f_getcmdpos(argvars, retvar)
|
|
|
4394 VAR argvars;
|
|
|
4395 VAR retvar;
|
|
|
4396 {
|
|
|
4397 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4398 }
|
|
|
4399
|
|
|
4400 /*
|
|
|
4401 * "getbufvar()" function
|
|
|
4402 */
|
|
|
4403 static void
|
|
|
4404 f_getbufvar(argvars, retvar)
|
|
|
4405 VAR argvars;
|
|
|
4406 VAR retvar;
|
|
|
4407 {
|
|
|
4408 buf_T *buf;
|
|
|
4409 buf_T *save_curbuf;
|
|
|
4410 char_u *varname;
|
|
|
4411 VAR v;
|
|
|
4412
|
|
|
4413 ++emsg_off;
|
|
|
4414 buf = get_buf_var(&argvars[0]);
|
|
|
4415 varname = get_var_string(&argvars[1]);
|
|
|
4416
|
|
|
4417 retvar->var_type = VAR_STRING;
|
|
|
4418 retvar->var_val.var_string = NULL;
|
|
|
4419
|
|
|
4420 if (buf != NULL && varname != NULL)
|
|
|
4421 {
|
|
|
4422 if (*varname == '&') /* buffer-local-option */
|
|
|
4423 {
|
|
|
4424 /* set curbuf to be our buf, temporarily */
|
|
|
4425 save_curbuf = curbuf;
|
|
|
4426 curbuf = buf;
|
|
|
4427
|
|
|
4428 get_option_var(&varname, retvar, TRUE);
|
|
|
4429
|
|
|
4430 /* restore previous notion of curbuf */
|
|
|
4431 curbuf = save_curbuf;
|
|
|
4432 }
|
|
|
4433 else
|
|
|
4434 {
|
|
|
4435 /* look up the variable */
|
|
|
4436 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4437 if (v != NULL)
|
|
|
4438 copy_var(v, retvar);
|
|
|
4439 }
|
|
|
4440 }
|
|
|
4441
|
|
|
4442 --emsg_off;
|
|
|
4443 }
|
|
|
4444
|
|
|
4445 /*
|
|
|
4446 * "getcwd()" function
|
|
|
4447 */
|
|
|
4448 /*ARGSUSED*/
|
|
|
4449 static void
|
|
|
4450 f_getcwd(argvars, retvar)
|
|
|
4451 VAR argvars;
|
|
|
4452 VAR retvar;
|
|
|
4453 {
|
|
|
4454 char_u cwd[MAXPATHL];
|
|
|
4455
|
|
|
4456 retvar->var_type = VAR_STRING;
|
|
|
4457 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4458 retvar->var_val.var_string = NULL;
|
|
|
4459 else
|
|
|
4460 {
|
|
|
4461 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4462 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4463 slash_adjust(retvar->var_val.var_string);
|
|
|
4464 #endif
|
|
|
4465 }
|
|
|
4466 }
|
|
|
4467
|
|
|
4468 /*
|
|
|
4469 * "getfsize({fname})" function
|
|
|
4470 */
|
|
|
4471 static void
|
|
|
4472 f_getfsize(argvars, retvar)
|
|
|
4473 VAR argvars;
|
|
|
4474 VAR retvar;
|
|
|
4475 {
|
|
|
4476 char_u *fname;
|
|
|
4477 struct stat st;
|
|
|
4478
|
|
|
4479 fname = get_var_string(&argvars[0]);
|
|
|
4480
|
|
|
4481 retvar->var_type = VAR_NUMBER;
|
|
|
4482
|
|
|
4483 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4484 {
|
|
|
4485 if (mch_isdir(fname))
|
|
|
4486 retvar->var_val.var_number = 0;
|
|
|
4487 else
|
|
|
4488 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4489 }
|
|
|
4490 else
|
|
|
4491 retvar->var_val.var_number = -1;
|
|
|
4492 }
|
|
|
4493
|
|
|
4494 /*
|
|
|
4495 * "getftime({fname})" function
|
|
|
4496 */
|
|
|
4497 static void
|
|
|
4498 f_getftime(argvars, retvar)
|
|
|
4499 VAR argvars;
|
|
|
4500 VAR retvar;
|
|
|
4501 {
|
|
|
4502 char_u *fname;
|
|
|
4503 struct stat st;
|
|
|
4504
|
|
|
4505 fname = get_var_string(&argvars[0]);
|
|
|
4506
|
|
|
4507 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4508 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4509 else
|
|
|
4510 retvar->var_val.var_number = -1;
|
|
|
4511 }
|
|
|
4512
|
|
|
4513 /*
|
|
|
4514 * "getreg()" function
|
|
|
4515 */
|
|
|
4516 static void
|
|
|
4517 f_getreg(argvars, retvar)
|
|
|
4518 VAR argvars;
|
|
|
4519 VAR retvar;
|
|
|
4520 {
|
|
|
4521 char_u *strregname;
|
|
|
4522 int regname;
|
|
|
4523
|
|
|
4524 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4525 strregname = get_var_string(&argvars[0]);
|
|
|
4526 else
|
|
|
4527 strregname = vimvars[VV_REG].val;
|
|
|
4528 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4529 if (regname == 0)
|
|
|
4530 regname = '"';
|
|
|
4531
|
|
|
4532 retvar->var_type = VAR_STRING;
|
|
|
4533 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4534 }
|
|
|
4535
|
|
|
4536 /*
|
|
|
4537 * "getregtype()" function
|
|
|
4538 */
|
|
|
4539 static void
|
|
|
4540 f_getregtype(argvars, retvar)
|
|
|
4541 VAR argvars;
|
|
|
4542 VAR retvar;
|
|
|
4543 {
|
|
|
4544 char_u *strregname;
|
|
|
4545 int regname;
|
|
|
4546 char_u buf[NUMBUFLEN + 2];
|
|
|
4547 long reglen = 0;
|
|
|
4548
|
|
|
4549 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4550 strregname = get_var_string(&argvars[0]);
|
|
|
4551 else
|
|
|
4552 /* Default to v:register */
|
|
|
4553 strregname = vimvars[VV_REG].val;
|
|
|
4554
|
|
|
4555 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4556 if (regname == 0)
|
|
|
4557 regname = '"';
|
|
|
4558
|
|
|
4559 buf[0] = NUL;
|
|
|
4560 buf[1] = NUL;
|
|
|
4561 switch (get_reg_type(regname, ®len))
|
|
|
4562 {
|
|
|
4563 case MLINE: buf[0] = 'V'; break;
|
|
|
4564 case MCHAR: buf[0] = 'v'; break;
|
|
|
4565 #ifdef FEAT_VISUAL
|
|
|
4566 case MBLOCK:
|
|
|
4567 buf[0] = Ctrl_V;
|
|
|
4568 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4569 break;
|
|
|
4570 #endif
|
|
|
4571 }
|
|
|
4572 retvar->var_type = VAR_STRING;
|
|
|
4573 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4574 }
|
|
|
4575
|
|
|
4576 /*
|
|
|
4577 * "getline(lnum)" function
|
|
|
4578 */
|
|
|
4579 static void
|
|
|
4580 f_getline(argvars, retvar)
|
|
|
4581 VAR argvars;
|
|
|
4582 VAR retvar;
|
|
|
4583 {
|
|
|
4584 linenr_T lnum;
|
|
|
4585 char_u *p;
|
|
|
4586
|
|
|
4587 lnum = get_var_lnum(argvars);
|
|
|
4588
|
|
|
4589 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4590 p = ml_get(lnum);
|
|
|
4591 else
|
|
|
4592 p = (char_u *)"";
|
|
|
4593
|
|
|
4594 retvar->var_type = VAR_STRING;
|
|
|
4595 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4596 }
|
|
|
4597
|
|
|
4598 /*
|
|
|
4599 * "getwinposx()" function
|
|
|
4600 */
|
|
|
4601 /*ARGSUSED*/
|
|
|
4602 static void
|
|
|
4603 f_getwinposx(argvars, retvar)
|
|
|
4604 VAR argvars;
|
|
|
4605 VAR retvar;
|
|
|
4606 {
|
|
|
4607 retvar->var_val.var_number = -1;
|
|
|
4608 #ifdef FEAT_GUI
|
|
|
4609 if (gui.in_use)
|
|
|
4610 {
|
|
|
4611 int x, y;
|
|
|
4612
|
|
|
4613 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4614 retvar->var_val.var_number = x;
|
|
|
4615 }
|
|
|
4616 #endif
|
|
|
4617 }
|
|
|
4618
|
|
|
4619 /*
|
|
|
4620 * "getwinposy()" function
|
|
|
4621 */
|
|
|
4622 /*ARGSUSED*/
|
|
|
4623 static void
|
|
|
4624 f_getwinposy(argvars, retvar)
|
|
|
4625 VAR argvars;
|
|
|
4626 VAR retvar;
|
|
|
4627 {
|
|
|
4628 retvar->var_val.var_number = -1;
|
|
|
4629 #ifdef FEAT_GUI
|
|
|
4630 if (gui.in_use)
|
|
|
4631 {
|
|
|
4632 int x, y;
|
|
|
4633
|
|
|
4634 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4635 retvar->var_val.var_number = y;
|
|
|
4636 }
|
|
|
4637 #endif
|
|
|
4638 }
|
|
|
4639
|
|
|
4640 /*
|
|
|
4641 * "getwinvar()" function
|
|
|
4642 */
|
|
|
4643 static void
|
|
|
4644 f_getwinvar(argvars, retvar)
|
|
|
4645 VAR argvars;
|
|
|
4646 VAR retvar;
|
|
|
4647 {
|
|
|
4648 win_T *win, *oldcurwin;
|
|
|
4649 char_u *varname;
|
|
|
4650 VAR v;
|
|
|
4651
|
|
|
4652 ++emsg_off;
|
|
|
4653 win = find_win_by_nr(&argvars[0]);
|
|
|
4654 varname = get_var_string(&argvars[1]);
|
|
|
4655
|
|
|
4656 retvar->var_type = VAR_STRING;
|
|
|
4657 retvar->var_val.var_string = NULL;
|
|
|
4658
|
|
|
4659 if (win != NULL && varname != NULL)
|
|
|
4660 {
|
|
|
4661 if (*varname == '&') /* window-local-option */
|
|
|
4662 {
|
|
|
4663 /* set curwin to be our win, temporarily */
|
|
|
4664 oldcurwin = curwin;
|
|
|
4665 curwin = win;
|
|
|
4666
|
|
|
4667 get_option_var(&varname, retvar , 1);
|
|
|
4668
|
|
|
4669 /* restore previous notion of curwin */
|
|
|
4670 curwin = oldcurwin;
|
|
|
4671 }
|
|
|
4672 else
|
|
|
4673 {
|
|
|
4674 /* look up the variable */
|
|
|
4675 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
4676 if (v != NULL)
|
|
|
4677 copy_var(v, retvar);
|
|
|
4678 }
|
|
|
4679 }
|
|
|
4680
|
|
|
4681 --emsg_off;
|
|
|
4682 }
|
|
|
4683
|
|
|
4684 /*
|
|
|
4685 * "glob()" function
|
|
|
4686 */
|
|
|
4687 static void
|
|
|
4688 f_glob(argvars, retvar)
|
|
|
4689 VAR argvars;
|
|
|
4690 VAR retvar;
|
|
|
4691 {
|
|
|
4692 expand_T xpc;
|
|
|
4693
|
|
|
4694 ExpandInit(&xpc);
|
|
|
4695 xpc.xp_context = EXPAND_FILES;
|
|
|
4696 retvar->var_type = VAR_STRING;
|
|
|
4697 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
4698 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
4699 ExpandCleanup(&xpc);
|
|
|
4700 }
|
|
|
4701
|
|
|
4702 /*
|
|
|
4703 * "globpath()" function
|
|
|
4704 */
|
|
|
4705 static void
|
|
|
4706 f_globpath(argvars, retvar)
|
|
|
4707 VAR argvars;
|
|
|
4708 VAR retvar;
|
|
|
4709 {
|
|
|
4710 char_u buf1[NUMBUFLEN];
|
|
|
4711
|
|
|
4712 retvar->var_type = VAR_STRING;
|
|
|
4713 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
4714 get_var_string_buf(&argvars[1], buf1));
|
|
|
4715 }
|
|
|
4716
|
|
|
4717 /*
|
|
|
4718 * "has()" function
|
|
|
4719 */
|
|
|
4720 static void
|
|
|
4721 f_has(argvars, retvar)
|
|
|
4722 VAR argvars;
|
|
|
4723 VAR retvar;
|
|
|
4724 {
|
|
|
4725 int i;
|
|
|
4726 char_u *name;
|
|
|
4727 int n = FALSE;
|
|
|
4728 static char *(has_list[]) =
|
|
|
4729 {
|
|
|
4730 #ifdef AMIGA
|
|
|
4731 "amiga",
|
|
|
4732 # ifdef FEAT_ARP
|
|
|
4733 "arp",
|
|
|
4734 # endif
|
|
|
4735 #endif
|
|
|
4736 #ifdef __BEOS__
|
|
|
4737 "beos",
|
|
|
4738 #endif
|
|
|
4739 #ifdef MSDOS
|
|
|
4740 # ifdef DJGPP
|
|
|
4741 "dos32",
|
|
|
4742 # else
|
|
|
4743 "dos16",
|
|
|
4744 # endif
|
|
|
4745 #endif
|
|
|
4746 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
4747 "mac",
|
|
|
4748 #endif
|
|
|
4749 #if defined(MACOS_X_UNIX)
|
|
|
4750 "macunix",
|
|
|
4751 #endif
|
|
|
4752 #ifdef OS2
|
|
|
4753 "os2",
|
|
|
4754 #endif
|
|
|
4755 #ifdef __QNX__
|
|
|
4756 "qnx",
|
|
|
4757 #endif
|
|
|
4758 #ifdef RISCOS
|
|
|
4759 "riscos",
|
|
|
4760 #endif
|
|
|
4761 #ifdef UNIX
|
|
|
4762 "unix",
|
|
|
4763 #endif
|
|
|
4764 #ifdef VMS
|
|
|
4765 "vms",
|
|
|
4766 #endif
|
|
|
4767 #ifdef WIN16
|
|
|
4768 "win16",
|
|
|
4769 #endif
|
|
|
4770 #ifdef WIN32
|
|
|
4771 "win32",
|
|
|
4772 #endif
|
|
|
4773 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
4774 "win32unix",
|
|
|
4775 #endif
|
|
|
4776 #ifdef WIN64
|
|
|
4777 "win64",
|
|
|
4778 #endif
|
|
|
4779 #ifdef EBCDIC
|
|
|
4780 "ebcdic",
|
|
|
4781 #endif
|
|
|
4782 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
4783 "fname_case",
|
|
|
4784 #endif
|
|
|
4785 #ifdef FEAT_ARABIC
|
|
|
4786 "arabic",
|
|
|
4787 #endif
|
|
|
4788 #ifdef FEAT_AUTOCMD
|
|
|
4789 "autocmd",
|
|
|
4790 #endif
|
|
|
4791 #ifdef FEAT_BEVAL
|
|
|
4792 "balloon_eval",
|
|
|
4793 #endif
|
|
|
4794 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
4795 "builtin_terms",
|
|
|
4796 # ifdef ALL_BUILTIN_TCAPS
|
|
|
4797 "all_builtin_terms",
|
|
|
4798 # endif
|
|
|
4799 #endif
|
|
|
4800 #ifdef FEAT_BYTEOFF
|
|
|
4801 "byte_offset",
|
|
|
4802 #endif
|
|
|
4803 #ifdef FEAT_CINDENT
|
|
|
4804 "cindent",
|
|
|
4805 #endif
|
|
|
4806 #ifdef FEAT_CLIENTSERVER
|
|
|
4807 "clientserver",
|
|
|
4808 #endif
|
|
|
4809 #ifdef FEAT_CLIPBOARD
|
|
|
4810 "clipboard",
|
|
|
4811 #endif
|
|
|
4812 #ifdef FEAT_CMDL_COMPL
|
|
|
4813 "cmdline_compl",
|
|
|
4814 #endif
|
|
|
4815 #ifdef FEAT_CMDHIST
|
|
|
4816 "cmdline_hist",
|
|
|
4817 #endif
|
|
|
4818 #ifdef FEAT_COMMENTS
|
|
|
4819 "comments",
|
|
|
4820 #endif
|
|
|
4821 #ifdef FEAT_CRYPT
|
|
|
4822 "cryptv",
|
|
|
4823 #endif
|
|
|
4824 #ifdef FEAT_CSCOPE
|
|
|
4825 "cscope",
|
|
|
4826 #endif
|
|
|
4827 #ifdef DEBUG
|
|
|
4828 "debug",
|
|
|
4829 #endif
|
|
|
4830 #ifdef FEAT_CON_DIALOG
|
|
|
4831 "dialog_con",
|
|
|
4832 #endif
|
|
|
4833 #ifdef FEAT_GUI_DIALOG
|
|
|
4834 "dialog_gui",
|
|
|
4835 #endif
|
|
|
4836 #ifdef FEAT_DIFF
|
|
|
4837 "diff",
|
|
|
4838 #endif
|
|
|
4839 #ifdef FEAT_DIGRAPHS
|
|
|
4840 "digraphs",
|
|
|
4841 #endif
|
|
|
4842 #ifdef FEAT_DND
|
|
|
4843 "dnd",
|
|
|
4844 #endif
|
|
|
4845 #ifdef FEAT_EMACS_TAGS
|
|
|
4846 "emacs_tags",
|
|
|
4847 #endif
|
|
|
4848 "eval", /* always present, of course! */
|
|
|
4849 #ifdef FEAT_EX_EXTRA
|
|
|
4850 "ex_extra",
|
|
|
4851 #endif
|
|
|
4852 #ifdef FEAT_SEARCH_EXTRA
|
|
|
4853 "extra_search",
|
|
|
4854 #endif
|
|
|
4855 #ifdef FEAT_FKMAP
|
|
|
4856 "farsi",
|
|
|
4857 #endif
|
|
|
4858 #ifdef FEAT_SEARCHPATH
|
|
|
4859 "file_in_path",
|
|
|
4860 #endif
|
|
|
4861 #ifdef FEAT_FIND_ID
|
|
|
4862 "find_in_path",
|
|
|
4863 #endif
|
|
|
4864 #ifdef FEAT_FOLDING
|
|
|
4865 "folding",
|
|
|
4866 #endif
|
|
|
4867 #ifdef FEAT_FOOTER
|
|
|
4868 "footer",
|
|
|
4869 #endif
|
|
|
4870 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
4871 "fork",
|
|
|
4872 #endif
|
|
|
4873 #ifdef FEAT_GETTEXT
|
|
|
4874 "gettext",
|
|
|
4875 #endif
|
|
|
4876 #ifdef FEAT_GUI
|
|
|
4877 "gui",
|
|
|
4878 #endif
|
|
|
4879 #ifdef FEAT_GUI_ATHENA
|
|
|
4880 # ifdef FEAT_GUI_NEXTAW
|
|
|
4881 "gui_neXtaw",
|
|
|
4882 # else
|
|
|
4883 "gui_athena",
|
|
|
4884 # endif
|
|
|
4885 #endif
|
|
|
4886 #ifdef FEAT_GUI_BEOS
|
|
|
4887 "gui_beos",
|
|
|
4888 #endif
|
|
11
|
4889 #ifdef FEAT_GUI_KDE
|
|
|
4890 "gui_kde",
|
|
|
4891 #endif
|
|
7
|
4892 #ifdef FEAT_GUI_GTK
|
|
|
4893 "gui_gtk",
|
|
|
4894 # ifdef HAVE_GTK2
|
|
|
4895 "gui_gtk2",
|
|
|
4896 # endif
|
|
|
4897 #endif
|
|
|
4898 #ifdef FEAT_GUI_MAC
|
|
|
4899 "gui_mac",
|
|
|
4900 #endif
|
|
|
4901 #ifdef FEAT_GUI_MOTIF
|
|
|
4902 "gui_motif",
|
|
|
4903 #endif
|
|
|
4904 #ifdef FEAT_GUI_PHOTON
|
|
|
4905 "gui_photon",
|
|
|
4906 #endif
|
|
|
4907 #ifdef FEAT_GUI_W16
|
|
|
4908 "gui_win16",
|
|
|
4909 #endif
|
|
|
4910 #ifdef FEAT_GUI_W32
|
|
|
4911 "gui_win32",
|
|
|
4912 #endif
|
|
|
4913 #ifdef FEAT_HANGULIN
|
|
|
4914 "hangul_input",
|
|
|
4915 #endif
|
|
|
4916 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
4917 "iconv",
|
|
|
4918 #endif
|
|
|
4919 #ifdef FEAT_INS_EXPAND
|
|
|
4920 "insert_expand",
|
|
|
4921 #endif
|
|
|
4922 #ifdef FEAT_JUMPLIST
|
|
|
4923 "jumplist",
|
|
|
4924 #endif
|
|
|
4925 #ifdef FEAT_KEYMAP
|
|
|
4926 "keymap",
|
|
|
4927 #endif
|
|
|
4928 #ifdef FEAT_LANGMAP
|
|
|
4929 "langmap",
|
|
|
4930 #endif
|
|
|
4931 #ifdef FEAT_LIBCALL
|
|
|
4932 "libcall",
|
|
|
4933 #endif
|
|
|
4934 #ifdef FEAT_LINEBREAK
|
|
|
4935 "linebreak",
|
|
|
4936 #endif
|
|
|
4937 #ifdef FEAT_LISP
|
|
|
4938 "lispindent",
|
|
|
4939 #endif
|
|
|
4940 #ifdef FEAT_LISTCMDS
|
|
|
4941 "listcmds",
|
|
|
4942 #endif
|
|
|
4943 #ifdef FEAT_LOCALMAP
|
|
|
4944 "localmap",
|
|
|
4945 #endif
|
|
|
4946 #ifdef FEAT_MENU
|
|
|
4947 "menu",
|
|
|
4948 #endif
|
|
|
4949 #ifdef FEAT_SESSION
|
|
|
4950 "mksession",
|
|
|
4951 #endif
|
|
|
4952 #ifdef FEAT_MODIFY_FNAME
|
|
|
4953 "modify_fname",
|
|
|
4954 #endif
|
|
|
4955 #ifdef FEAT_MOUSE
|
|
|
4956 "mouse",
|
|
|
4957 #endif
|
|
|
4958 #ifdef FEAT_MOUSESHAPE
|
|
|
4959 "mouseshape",
|
|
|
4960 #endif
|
|
|
4961 #if defined(UNIX) || defined(VMS)
|
|
|
4962 # ifdef FEAT_MOUSE_DEC
|
|
|
4963 "mouse_dec",
|
|
|
4964 # endif
|
|
|
4965 # ifdef FEAT_MOUSE_GPM
|
|
|
4966 "mouse_gpm",
|
|
|
4967 # endif
|
|
|
4968 # ifdef FEAT_MOUSE_JSB
|
|
|
4969 "mouse_jsbterm",
|
|
|
4970 # endif
|
|
|
4971 # ifdef FEAT_MOUSE_NET
|
|
|
4972 "mouse_netterm",
|
|
|
4973 # endif
|
|
|
4974 # ifdef FEAT_MOUSE_PTERM
|
|
|
4975 "mouse_pterm",
|
|
|
4976 # endif
|
|
|
4977 # ifdef FEAT_MOUSE_XTERM
|
|
|
4978 "mouse_xterm",
|
|
|
4979 # endif
|
|
|
4980 #endif
|
|
|
4981 #ifdef FEAT_MBYTE
|
|
|
4982 "multi_byte",
|
|
|
4983 #endif
|
|
|
4984 #ifdef FEAT_MBYTE_IME
|
|
|
4985 "multi_byte_ime",
|
|
|
4986 #endif
|
|
|
4987 #ifdef FEAT_MULTI_LANG
|
|
|
4988 "multi_lang",
|
|
|
4989 #endif
|
|
|
4990 #ifdef FEAT_OLE
|
|
|
4991 "ole",
|
|
|
4992 #endif
|
|
|
4993 #ifdef FEAT_OSFILETYPE
|
|
|
4994 "osfiletype",
|
|
|
4995 #endif
|
|
|
4996 #ifdef FEAT_PATH_EXTRA
|
|
|
4997 "path_extra",
|
|
|
4998 #endif
|
|
|
4999 #ifdef FEAT_PERL
|
|
|
5000 #ifndef DYNAMIC_PERL
|
|
|
5001 "perl",
|
|
|
5002 #endif
|
|
|
5003 #endif
|
|
|
5004 #ifdef FEAT_PYTHON
|
|
|
5005 #ifndef DYNAMIC_PYTHON
|
|
|
5006 "python",
|
|
|
5007 #endif
|
|
|
5008 #endif
|
|
|
5009 #ifdef FEAT_POSTSCRIPT
|
|
|
5010 "postscript",
|
|
|
5011 #endif
|
|
|
5012 #ifdef FEAT_PRINTER
|
|
|
5013 "printer",
|
|
|
5014 #endif
|
|
|
5015 #ifdef FEAT_QUICKFIX
|
|
|
5016 "quickfix",
|
|
|
5017 #endif
|
|
|
5018 #ifdef FEAT_RIGHTLEFT
|
|
|
5019 "rightleft",
|
|
|
5020 #endif
|
|
|
5021 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
5022 "ruby",
|
|
|
5023 #endif
|
|
|
5024 #ifdef FEAT_SCROLLBIND
|
|
|
5025 "scrollbind",
|
|
|
5026 #endif
|
|
|
5027 #ifdef FEAT_CMDL_INFO
|
|
|
5028 "showcmd",
|
|
|
5029 "cmdline_info",
|
|
|
5030 #endif
|
|
|
5031 #ifdef FEAT_SIGNS
|
|
|
5032 "signs",
|
|
|
5033 #endif
|
|
|
5034 #ifdef FEAT_SMARTINDENT
|
|
|
5035 "smartindent",
|
|
|
5036 #endif
|
|
|
5037 #ifdef FEAT_SNIFF
|
|
|
5038 "sniff",
|
|
|
5039 #endif
|
|
|
5040 #ifdef FEAT_STL_OPT
|
|
|
5041 "statusline",
|
|
|
5042 #endif
|
|
|
5043 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5044 "sun_workshop",
|
|
|
5045 #endif
|
|
|
5046 #ifdef FEAT_NETBEANS_INTG
|
|
|
5047 "netbeans_intg",
|
|
|
5048 #endif
|
|
|
5049 #ifdef FEAT_SYN_HL
|
|
|
5050 "syntax",
|
|
|
5051 #endif
|
|
|
5052 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5053 "system",
|
|
|
5054 #endif
|
|
|
5055 #ifdef FEAT_TAG_BINS
|
|
|
5056 "tag_binary",
|
|
|
5057 #endif
|
|
|
5058 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5059 "tag_old_static",
|
|
|
5060 #endif
|
|
|
5061 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5062 "tag_any_white",
|
|
|
5063 #endif
|
|
|
5064 #ifdef FEAT_TCL
|
|
|
5065 # ifndef DYNAMIC_TCL
|
|
|
5066 "tcl",
|
|
|
5067 # endif
|
|
|
5068 #endif
|
|
|
5069 #ifdef TERMINFO
|
|
|
5070 "terminfo",
|
|
|
5071 #endif
|
|
|
5072 #ifdef FEAT_TERMRESPONSE
|
|
|
5073 "termresponse",
|
|
|
5074 #endif
|
|
|
5075 #ifdef FEAT_TEXTOBJ
|
|
|
5076 "textobjects",
|
|
|
5077 #endif
|
|
|
5078 #ifdef HAVE_TGETENT
|
|
|
5079 "tgetent",
|
|
|
5080 #endif
|
|
|
5081 #ifdef FEAT_TITLE
|
|
|
5082 "title",
|
|
|
5083 #endif
|
|
|
5084 #ifdef FEAT_TOOLBAR
|
|
|
5085 "toolbar",
|
|
|
5086 #endif
|
|
|
5087 #ifdef FEAT_USR_CMDS
|
|
|
5088 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5089 "user_commands",
|
|
|
5090 #endif
|
|
|
5091 #ifdef FEAT_VIMINFO
|
|
|
5092 "viminfo",
|
|
|
5093 #endif
|
|
|
5094 #ifdef FEAT_VERTSPLIT
|
|
|
5095 "vertsplit",
|
|
|
5096 #endif
|
|
|
5097 #ifdef FEAT_VIRTUALEDIT
|
|
|
5098 "virtualedit",
|
|
|
5099 #endif
|
|
|
5100 #ifdef FEAT_VISUAL
|
|
|
5101 "visual",
|
|
|
5102 #endif
|
|
|
5103 #ifdef FEAT_VISUALEXTRA
|
|
|
5104 "visualextra",
|
|
|
5105 #endif
|
|
|
5106 #ifdef FEAT_VREPLACE
|
|
|
5107 "vreplace",
|
|
|
5108 #endif
|
|
|
5109 #ifdef FEAT_WILDIGN
|
|
|
5110 "wildignore",
|
|
|
5111 #endif
|
|
|
5112 #ifdef FEAT_WILDMENU
|
|
|
5113 "wildmenu",
|
|
|
5114 #endif
|
|
|
5115 #ifdef FEAT_WINDOWS
|
|
|
5116 "windows",
|
|
|
5117 #endif
|
|
|
5118 #ifdef FEAT_WAK
|
|
|
5119 "winaltkeys",
|
|
|
5120 #endif
|
|
|
5121 #ifdef FEAT_WRITEBACKUP
|
|
|
5122 "writebackup",
|
|
|
5123 #endif
|
|
|
5124 #ifdef FEAT_XIM
|
|
|
5125 "xim",
|
|
|
5126 #endif
|
|
|
5127 #ifdef FEAT_XFONTSET
|
|
|
5128 "xfontset",
|
|
|
5129 #endif
|
|
|
5130 #ifdef USE_XSMP
|
|
|
5131 "xsmp",
|
|
|
5132 #endif
|
|
|
5133 #ifdef USE_XSMP_INTERACT
|
|
|
5134 "xsmp_interact",
|
|
|
5135 #endif
|
|
|
5136 #ifdef FEAT_XCLIPBOARD
|
|
|
5137 "xterm_clipboard",
|
|
|
5138 #endif
|
|
|
5139 #ifdef FEAT_XTERM_SAVE
|
|
|
5140 "xterm_save",
|
|
|
5141 #endif
|
|
|
5142 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5143 "X11",
|
|
|
5144 #endif
|
|
|
5145 NULL
|
|
|
5146 };
|
|
|
5147
|
|
|
5148 name = get_var_string(&argvars[0]);
|
|
|
5149 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5150 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5151 {
|
|
|
5152 n = TRUE;
|
|
|
5153 break;
|
|
|
5154 }
|
|
|
5155
|
|
|
5156 if (n == FALSE)
|
|
|
5157 {
|
|
|
5158 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5159 n = has_patch(atoi((char *)name + 5));
|
|
|
5160 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5161 n = (starting != 0);
|
|
|
5162 #ifdef DYNAMIC_TCL
|
|
|
5163 else if (STRICMP(name, "tcl") == 0)
|
|
|
5164 n = tcl_enabled(FALSE);
|
|
|
5165 #endif
|
|
|
5166 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5167 else if (STRICMP(name, "iconv") == 0)
|
|
|
5168 n = iconv_enabled(FALSE);
|
|
|
5169 #endif
|
|
|
5170 #ifdef DYNAMIC_RUBY
|
|
|
5171 else if (STRICMP(name, "ruby") == 0)
|
|
|
5172 n = ruby_enabled(FALSE);
|
|
|
5173 #endif
|
|
|
5174 #ifdef DYNAMIC_PYTHON
|
|
|
5175 else if (STRICMP(name, "python") == 0)
|
|
|
5176 n = python_enabled(FALSE);
|
|
|
5177 #endif
|
|
|
5178 #ifdef DYNAMIC_PERL
|
|
|
5179 else if (STRICMP(name, "perl") == 0)
|
|
|
5180 n = perl_enabled(FALSE);
|
|
|
5181 #endif
|
|
|
5182 #ifdef FEAT_GUI
|
|
|
5183 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5184 n = (gui.in_use || gui.starting);
|
|
|
5185 # ifdef FEAT_GUI_W32
|
|
|
5186 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5187 n = gui_is_win32s();
|
|
|
5188 # endif
|
|
|
5189 # ifdef FEAT_BROWSE
|
|
|
5190 else if (STRICMP(name, "browse") == 0)
|
|
|
5191 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5192 # endif
|
|
|
5193 #endif
|
|
|
5194 #ifdef FEAT_SYN_HL
|
|
|
5195 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5196 n = syntax_present(curbuf);
|
|
|
5197 #endif
|
|
|
5198 #if defined(WIN3264)
|
|
|
5199 else if (STRICMP(name, "win95") == 0)
|
|
|
5200 n = mch_windows95();
|
|
|
5201 #endif
|
|
|
5202 }
|
|
|
5203
|
|
|
5204 retvar->var_val.var_number = n;
|
|
|
5205 }
|
|
|
5206
|
|
|
5207 /*
|
|
|
5208 * "hasmapto()" function
|
|
|
5209 */
|
|
|
5210 static void
|
|
|
5211 f_hasmapto(argvars, retvar)
|
|
|
5212 VAR argvars;
|
|
|
5213 VAR retvar;
|
|
|
5214 {
|
|
|
5215 char_u *name;
|
|
|
5216 char_u *mode;
|
|
|
5217 char_u buf[NUMBUFLEN];
|
|
|
5218
|
|
|
5219 name = get_var_string(&argvars[0]);
|
|
|
5220 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5221 mode = (char_u *)"nvo";
|
|
|
5222 else
|
|
|
5223 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5224
|
|
|
5225 if (map_to_exists(name, mode))
|
|
|
5226 retvar->var_val.var_number = TRUE;
|
|
|
5227 else
|
|
|
5228 retvar->var_val.var_number = FALSE;
|
|
|
5229 }
|
|
|
5230
|
|
|
5231 /*
|
|
|
5232 * "histadd()" function
|
|
|
5233 */
|
|
|
5234 /*ARGSUSED*/
|
|
|
5235 static void
|
|
|
5236 f_histadd(argvars, retvar)
|
|
|
5237 VAR argvars;
|
|
|
5238 VAR retvar;
|
|
|
5239 {
|
|
|
5240 #ifdef FEAT_CMDHIST
|
|
|
5241 int histype;
|
|
|
5242 char_u *str;
|
|
|
5243 char_u buf[NUMBUFLEN];
|
|
|
5244 #endif
|
|
|
5245
|
|
|
5246 retvar->var_val.var_number = FALSE;
|
|
|
5247 if (check_restricted() || check_secure())
|
|
|
5248 return;
|
|
|
5249 #ifdef FEAT_CMDHIST
|
|
|
5250 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5251 if (histype >= 0)
|
|
|
5252 {
|
|
|
5253 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5254 if (*str != NUL)
|
|
|
5255 {
|
|
|
5256 add_to_history(histype, str, FALSE, NUL);
|
|
|
5257 retvar->var_val.var_number = TRUE;
|
|
|
5258 return;
|
|
|
5259 }
|
|
|
5260 }
|
|
|
5261 #endif
|
|
|
5262 }
|
|
|
5263
|
|
|
5264 /*
|
|
|
5265 * "histdel()" function
|
|
|
5266 */
|
|
|
5267 /*ARGSUSED*/
|
|
|
5268 static void
|
|
|
5269 f_histdel(argvars, retvar)
|
|
|
5270 VAR argvars;
|
|
|
5271 VAR retvar;
|
|
|
5272 {
|
|
|
5273 #ifdef FEAT_CMDHIST
|
|
|
5274 int n;
|
|
|
5275 char_u buf[NUMBUFLEN];
|
|
|
5276
|
|
|
5277 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5278 /* only one argument: clear entire history */
|
|
|
5279 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5280 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5281 /* index given: remove that entry */
|
|
|
5282 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5283 (int)get_var_number(&argvars[1]));
|
|
|
5284 else
|
|
|
5285 /* string given: remove all matching entries */
|
|
|
5286 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5287 get_var_string_buf(&argvars[1], buf));
|
|
|
5288 retvar->var_val.var_number = n;
|
|
|
5289 #else
|
|
|
5290 retvar->var_val.var_number = 0;
|
|
|
5291 #endif
|
|
|
5292 }
|
|
|
5293
|
|
|
5294 /*
|
|
|
5295 * "histget()" function
|
|
|
5296 */
|
|
|
5297 /*ARGSUSED*/
|
|
|
5298 static void
|
|
|
5299 f_histget(argvars, retvar)
|
|
|
5300 VAR argvars;
|
|
|
5301 VAR retvar;
|
|
|
5302 {
|
|
|
5303 #ifdef FEAT_CMDHIST
|
|
|
5304 int type;
|
|
|
5305 int idx;
|
|
|
5306
|
|
|
5307 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5308 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5309 idx = get_history_idx(type);
|
|
|
5310 else
|
|
|
5311 idx = (int)get_var_number(&argvars[1]);
|
|
|
5312 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5313 #else
|
|
|
5314 retvar->var_val.var_string = NULL;
|
|
|
5315 #endif
|
|
|
5316 retvar->var_type = VAR_STRING;
|
|
|
5317 }
|
|
|
5318
|
|
|
5319 /*
|
|
|
5320 * "histnr()" function
|
|
|
5321 */
|
|
|
5322 /*ARGSUSED*/
|
|
|
5323 static void
|
|
|
5324 f_histnr(argvars, retvar)
|
|
|
5325 VAR argvars;
|
|
|
5326 VAR retvar;
|
|
|
5327 {
|
|
|
5328 int i;
|
|
|
5329
|
|
|
5330 #ifdef FEAT_CMDHIST
|
|
|
5331 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5332 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5333 i = get_history_idx(i);
|
|
|
5334 else
|
|
|
5335 #endif
|
|
|
5336 i = -1;
|
|
|
5337 retvar->var_val.var_number = i;
|
|
|
5338 }
|
|
|
5339
|
|
|
5340 /*
|
|
|
5341 * "highlight_exists()" function
|
|
|
5342 */
|
|
|
5343 static void
|
|
|
5344 f_hlexists(argvars, retvar)
|
|
|
5345 VAR argvars;
|
|
|
5346 VAR retvar;
|
|
|
5347 {
|
|
|
5348 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5349 }
|
|
|
5350
|
|
|
5351 /*
|
|
|
5352 * "highlightID(name)" function
|
|
|
5353 */
|
|
|
5354 static void
|
|
|
5355 f_hlID(argvars, retvar)
|
|
|
5356 VAR argvars;
|
|
|
5357 VAR retvar;
|
|
|
5358 {
|
|
|
5359 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5360 }
|
|
|
5361
|
|
|
5362 /*
|
|
|
5363 * "hostname()" function
|
|
|
5364 */
|
|
|
5365 /*ARGSUSED*/
|
|
|
5366 static void
|
|
|
5367 f_hostname(argvars, retvar)
|
|
|
5368 VAR argvars;
|
|
|
5369 VAR retvar;
|
|
|
5370 {
|
|
|
5371 char_u hostname[256];
|
|
|
5372
|
|
|
5373 mch_get_host_name(hostname, 256);
|
|
|
5374 retvar->var_type = VAR_STRING;
|
|
|
5375 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5376 }
|
|
|
5377
|
|
|
5378 /*
|
|
|
5379 * iconv() function
|
|
|
5380 */
|
|
|
5381 /*ARGSUSED*/
|
|
|
5382 static void
|
|
|
5383 f_iconv(argvars, retvar)
|
|
|
5384 VAR argvars;
|
|
|
5385 VAR retvar;
|
|
|
5386 {
|
|
|
5387 #ifdef FEAT_MBYTE
|
|
|
5388 char_u buf1[NUMBUFLEN];
|
|
|
5389 char_u buf2[NUMBUFLEN];
|
|
|
5390 char_u *from, *to, *str;
|
|
|
5391 vimconv_T vimconv;
|
|
|
5392 #endif
|
|
|
5393
|
|
|
5394 retvar->var_type = VAR_STRING;
|
|
|
5395 retvar->var_val.var_string = NULL;
|
|
|
5396
|
|
|
5397 #ifdef FEAT_MBYTE
|
|
|
5398 str = get_var_string(&argvars[0]);
|
|
|
5399 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5400 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5401 vimconv.vc_type = CONV_NONE;
|
|
|
5402 convert_setup(&vimconv, from, to);
|
|
|
5403
|
|
|
5404 /* If the encodings are equal, no conversion needed. */
|
|
|
5405 if (vimconv.vc_type == CONV_NONE)
|
|
|
5406 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5407 else
|
|
|
5408 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5409
|
|
|
5410 convert_setup(&vimconv, NULL, NULL);
|
|
|
5411 vim_free(from);
|
|
|
5412 vim_free(to);
|
|
|
5413 #endif
|
|
|
5414 }
|
|
|
5415
|
|
|
5416 /*
|
|
|
5417 * "indent()" function
|
|
|
5418 */
|
|
|
5419 static void
|
|
|
5420 f_indent(argvars, retvar)
|
|
|
5421 VAR argvars;
|
|
|
5422 VAR retvar;
|
|
|
5423 {
|
|
|
5424 linenr_T lnum;
|
|
|
5425
|
|
|
5426 lnum = get_var_lnum(argvars);
|
|
|
5427 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5428 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5429 else
|
|
|
5430 retvar->var_val.var_number = -1;
|
|
|
5431 }
|
|
|
5432
|
|
|
5433 static int inputsecret_flag = 0;
|
|
|
5434
|
|
|
5435 /*
|
|
|
5436 * "input()" function
|
|
|
5437 * Also handles inputsecret() when inputsecret is set.
|
|
|
5438 */
|
|
|
5439 static void
|
|
|
5440 f_input(argvars, retvar)
|
|
|
5441 VAR argvars;
|
|
|
5442 VAR retvar;
|
|
|
5443 {
|
|
|
5444 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5445 char_u *p = NULL;
|
|
|
5446 int c;
|
|
|
5447 char_u buf[NUMBUFLEN];
|
|
|
5448 int cmd_silent_save = cmd_silent;
|
|
|
5449
|
|
|
5450 retvar->var_type = VAR_STRING;
|
|
|
5451
|
|
|
5452 #ifdef NO_CONSOLE_INPUT
|
|
|
5453 /* While starting up, there is no place to enter text. */
|
|
|
5454 if (no_console_input())
|
|
|
5455 {
|
|
|
5456 retvar->var_val.var_string = NULL;
|
|
|
5457 return;
|
|
|
5458 }
|
|
|
5459 #endif
|
|
|
5460
|
|
|
5461 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5462 if (prompt != NULL)
|
|
|
5463 {
|
|
|
5464 /* Only the part of the message after the last NL is considered as
|
|
|
5465 * prompt for the command line */
|
|
|
5466 p = vim_strrchr(prompt, '\n');
|
|
|
5467 if (p == NULL)
|
|
|
5468 p = prompt;
|
|
|
5469 else
|
|
|
5470 {
|
|
|
5471 ++p;
|
|
|
5472 c = *p;
|
|
|
5473 *p = NUL;
|
|
|
5474 msg_start();
|
|
|
5475 msg_clr_eos();
|
|
|
5476 msg_puts_attr(prompt, echo_attr);
|
|
|
5477 msg_didout = FALSE;
|
|
|
5478 msg_starthere();
|
|
|
5479 *p = c;
|
|
|
5480 }
|
|
|
5481 cmdline_row = msg_row;
|
|
|
5482 }
|
|
|
5483
|
|
|
5484 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5485 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5486
|
|
|
5487 retvar->var_val.var_string =
|
|
|
5488 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5489
|
|
|
5490 /* since the user typed this, no need to wait for return */
|
|
|
5491 need_wait_return = FALSE;
|
|
|
5492 msg_didout = FALSE;
|
|
|
5493 cmd_silent = cmd_silent_save;
|
|
|
5494 }
|
|
|
5495
|
|
|
5496 /*
|
|
|
5497 * "inputdialog()" function
|
|
|
5498 */
|
|
|
5499 static void
|
|
|
5500 f_inputdialog(argvars, retvar)
|
|
|
5501 VAR argvars;
|
|
|
5502 VAR retvar;
|
|
|
5503 {
|
|
|
5504 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5505 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5506 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5507 {
|
|
|
5508 char_u *message;
|
|
|
5509 char_u buf[NUMBUFLEN];
|
|
|
5510
|
|
|
5511 message = get_var_string(&argvars[0]);
|
|
|
5512 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5513 {
|
|
|
5514 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5515 IObuff[IOSIZE - 1] = NUL;
|
|
|
5516 }
|
|
|
5517 else
|
|
|
5518 IObuff[0] = NUL;
|
|
|
5519 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5520 1, IObuff) == 1)
|
|
|
5521 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5522 else
|
|
|
5523 {
|
|
|
5524 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5525 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5526 retvar->var_val.var_string = vim_strsave(
|
|
|
5527 get_var_string_buf(&argvars[2], buf));
|
|
|
5528 else
|
|
|
5529 retvar->var_val.var_string = NULL;
|
|
|
5530 }
|
|
|
5531 retvar->var_type = VAR_STRING;
|
|
|
5532 }
|
|
|
5533 else
|
|
|
5534 #endif
|
|
|
5535 f_input(argvars, retvar);
|
|
|
5536 }
|
|
|
5537
|
|
|
5538 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5539
|
|
|
5540 /*
|
|
|
5541 * "inputrestore()" function
|
|
|
5542 */
|
|
|
5543 /*ARGSUSED*/
|
|
|
5544 static void
|
|
|
5545 f_inputrestore(argvars, retvar)
|
|
|
5546 VAR argvars;
|
|
|
5547 VAR retvar;
|
|
|
5548 {
|
|
|
5549 if (ga_userinput.ga_len > 0)
|
|
|
5550 {
|
|
|
5551 --ga_userinput.ga_len;
|
|
|
5552 ++ga_userinput.ga_room;
|
|
|
5553 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5554 + ga_userinput.ga_len);
|
|
|
5555 retvar->var_val.var_number = 0; /* OK */
|
|
|
5556 }
|
|
|
5557 else if (p_verbose > 1)
|
|
|
5558 {
|
|
|
5559 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5560 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5561 }
|
|
|
5562 }
|
|
|
5563
|
|
|
5564 /*
|
|
|
5565 * "inputsave()" function
|
|
|
5566 */
|
|
|
5567 /*ARGSUSED*/
|
|
|
5568 static void
|
|
|
5569 f_inputsave(argvars, retvar)
|
|
|
5570 VAR argvars;
|
|
|
5571 VAR retvar;
|
|
|
5572 {
|
|
|
5573 /* Add an entry to the stack of typehead storage. */
|
|
|
5574 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5575 {
|
|
|
5576 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5577 + ga_userinput.ga_len);
|
|
|
5578 ++ga_userinput.ga_len;
|
|
|
5579 --ga_userinput.ga_room;
|
|
|
5580 retvar->var_val.var_number = 0; /* OK */
|
|
|
5581 }
|
|
|
5582 else
|
|
|
5583 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5584 }
|
|
|
5585
|
|
|
5586 /*
|
|
|
5587 * "inputsecret()" function
|
|
|
5588 */
|
|
|
5589 static void
|
|
|
5590 f_inputsecret(argvars, retvar)
|
|
|
5591 VAR argvars;
|
|
|
5592 VAR retvar;
|
|
|
5593 {
|
|
|
5594 ++cmdline_star;
|
|
|
5595 ++inputsecret_flag;
|
|
|
5596 f_input(argvars, retvar);
|
|
|
5597 --cmdline_star;
|
|
|
5598 --inputsecret_flag;
|
|
|
5599 }
|
|
|
5600
|
|
|
5601 /*
|
|
|
5602 * "isdirectory()" function
|
|
|
5603 */
|
|
|
5604 static void
|
|
|
5605 f_isdirectory(argvars, retvar)
|
|
|
5606 VAR argvars;
|
|
|
5607 VAR retvar;
|
|
|
5608 {
|
|
|
5609 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5610 }
|
|
|
5611
|
|
|
5612 /*
|
|
|
5613 * "last_buffer_nr()" function.
|
|
|
5614 */
|
|
|
5615 /*ARGSUSED*/
|
|
|
5616 static void
|
|
|
5617 f_last_buffer_nr(argvars, retvar)
|
|
|
5618 VAR argvars;
|
|
|
5619 VAR retvar;
|
|
|
5620 {
|
|
|
5621 int n = 0;
|
|
|
5622 buf_T *buf;
|
|
|
5623
|
|
|
5624 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5625 if (n < buf->b_fnum)
|
|
|
5626 n = buf->b_fnum;
|
|
|
5627
|
|
|
5628 retvar->var_val.var_number = n;
|
|
|
5629 }
|
|
|
5630
|
|
|
5631 /*
|
|
|
5632 * "line(string)" function
|
|
|
5633 */
|
|
|
5634 static void
|
|
|
5635 f_line(argvars, retvar)
|
|
|
5636 VAR argvars;
|
|
|
5637 VAR retvar;
|
|
|
5638 {
|
|
|
5639 linenr_T lnum = 0;
|
|
|
5640 pos_T *fp;
|
|
|
5641
|
|
|
5642 fp = var2fpos(&argvars[0], TRUE);
|
|
|
5643 if (fp != NULL)
|
|
|
5644 lnum = fp->lnum;
|
|
|
5645 retvar->var_val.var_number = lnum;
|
|
|
5646 }
|
|
|
5647
|
|
|
5648 /*
|
|
|
5649 * "line2byte(lnum)" function
|
|
|
5650 */
|
|
|
5651 /*ARGSUSED*/
|
|
|
5652 static void
|
|
|
5653 f_line2byte(argvars, retvar)
|
|
|
5654 VAR argvars;
|
|
|
5655 VAR retvar;
|
|
|
5656 {
|
|
|
5657 #ifndef FEAT_BYTEOFF
|
|
|
5658 retvar->var_val.var_number = -1;
|
|
|
5659 #else
|
|
|
5660 linenr_T lnum;
|
|
|
5661
|
|
|
5662 lnum = get_var_lnum(argvars);
|
|
|
5663 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
5664 retvar->var_val.var_number = -1;
|
|
|
5665 else
|
|
|
5666 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
5667 if (retvar->var_val.var_number >= 0)
|
|
|
5668 ++retvar->var_val.var_number;
|
|
|
5669 #endif
|
|
|
5670 }
|
|
|
5671
|
|
|
5672 /*
|
|
|
5673 * "lispindent(lnum)" function
|
|
|
5674 */
|
|
|
5675 static void
|
|
|
5676 f_lispindent(argvars, retvar)
|
|
|
5677 VAR argvars;
|
|
|
5678 VAR retvar;
|
|
|
5679 {
|
|
|
5680 #ifdef FEAT_LISP
|
|
|
5681 pos_T pos;
|
|
|
5682 linenr_T lnum;
|
|
|
5683
|
|
|
5684 pos = curwin->w_cursor;
|
|
|
5685 lnum = get_var_lnum(argvars);
|
|
|
5686 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5687 {
|
|
|
5688 curwin->w_cursor.lnum = lnum;
|
|
|
5689 retvar->var_val.var_number = get_lisp_indent();
|
|
|
5690 curwin->w_cursor = pos;
|
|
|
5691 }
|
|
|
5692 else
|
|
|
5693 #endif
|
|
|
5694 retvar->var_val.var_number = -1;
|
|
|
5695 }
|
|
|
5696
|
|
|
5697 /*
|
|
|
5698 * "localtime()" function
|
|
|
5699 */
|
|
|
5700 /*ARGSUSED*/
|
|
|
5701 static void
|
|
|
5702 f_localtime(argvars, retvar)
|
|
|
5703 VAR argvars;
|
|
|
5704 VAR retvar;
|
|
|
5705 {
|
|
|
5706 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
5707 }
|
|
|
5708
|
|
|
5709 /*
|
|
|
5710 * "maparg()" function
|
|
|
5711 */
|
|
|
5712 static void
|
|
|
5713 f_maparg(argvars, retvar)
|
|
|
5714 VAR argvars;
|
|
|
5715 VAR retvar;
|
|
|
5716 {
|
|
|
5717 get_maparg(argvars, retvar, TRUE);
|
|
|
5718 }
|
|
|
5719
|
|
|
5720 /*
|
|
|
5721 * "mapcheck()" function
|
|
|
5722 */
|
|
|
5723 static void
|
|
|
5724 f_mapcheck(argvars, retvar)
|
|
|
5725 VAR argvars;
|
|
|
5726 VAR retvar;
|
|
|
5727 {
|
|
|
5728 get_maparg(argvars, retvar, FALSE);
|
|
|
5729 }
|
|
|
5730
|
|
|
5731 static void
|
|
|
5732 get_maparg(argvars, retvar, exact)
|
|
|
5733 VAR argvars;
|
|
|
5734 VAR retvar;
|
|
|
5735 int exact;
|
|
|
5736 {
|
|
|
5737 char_u *keys;
|
|
|
5738 char_u *which;
|
|
|
5739 char_u buf[NUMBUFLEN];
|
|
|
5740 char_u *keys_buf = NULL;
|
|
|
5741 char_u *rhs;
|
|
|
5742 int mode;
|
|
|
5743 garray_T ga;
|
|
|
5744
|
|
|
5745 /* return empty string for failure */
|
|
|
5746 retvar->var_type = VAR_STRING;
|
|
|
5747 retvar->var_val.var_string = NULL;
|
|
|
5748
|
|
|
5749 keys = get_var_string(&argvars[0]);
|
|
|
5750 if (*keys == NUL)
|
|
|
5751 return;
|
|
|
5752
|
|
|
5753 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5754 which = get_var_string_buf(&argvars[1], buf);
|
|
|
5755 else
|
|
|
5756 which = (char_u *)"";
|
|
|
5757 mode = get_map_mode(&which, 0);
|
|
|
5758
|
|
|
5759 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
5760 rhs = check_map(keys, mode, exact);
|
|
|
5761 vim_free(keys_buf);
|
|
|
5762 if (rhs != NULL)
|
|
|
5763 {
|
|
|
5764 ga_init(&ga);
|
|
|
5765 ga.ga_itemsize = 1;
|
|
|
5766 ga.ga_growsize = 40;
|
|
|
5767
|
|
|
5768 while (*rhs != NUL)
|
|
|
5769 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
5770
|
|
|
5771 ga_append(&ga, NUL);
|
|
|
5772 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
5773 }
|
|
|
5774 }
|
|
|
5775
|
|
|
5776 /*
|
|
|
5777 * "match()" function
|
|
|
5778 */
|
|
|
5779 static void
|
|
|
5780 f_match(argvars, retvar)
|
|
|
5781 VAR argvars;
|
|
|
5782 VAR retvar;
|
|
|
5783 {
|
|
|
5784 find_some_match(argvars, retvar, 1);
|
|
|
5785 }
|
|
|
5786
|
|
|
5787 /*
|
|
|
5788 * "matchend()" function
|
|
|
5789 */
|
|
|
5790 static void
|
|
|
5791 f_matchend(argvars, retvar)
|
|
|
5792 VAR argvars;
|
|
|
5793 VAR retvar;
|
|
|
5794 {
|
|
|
5795 find_some_match(argvars, retvar, 0);
|
|
|
5796 }
|
|
|
5797
|
|
|
5798 /*
|
|
|
5799 * "matchstr()" function
|
|
|
5800 */
|
|
|
5801 static void
|
|
|
5802 f_matchstr(argvars, retvar)
|
|
|
5803 VAR argvars;
|
|
|
5804 VAR retvar;
|
|
|
5805 {
|
|
|
5806 find_some_match(argvars, retvar, 2);
|
|
|
5807 }
|
|
|
5808
|
|
|
5809 static void
|
|
|
5810 find_some_match(argvars, retvar, type)
|
|
|
5811 VAR argvars;
|
|
|
5812 VAR retvar;
|
|
|
5813 int type;
|
|
|
5814 {
|
|
|
5815 char_u *str;
|
|
|
5816 char_u *pat;
|
|
|
5817 regmatch_T regmatch;
|
|
|
5818 char_u patbuf[NUMBUFLEN];
|
|
|
5819 char_u *save_cpo;
|
|
|
5820 long start = 0;
|
|
|
5821
|
|
|
5822 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
5823 save_cpo = p_cpo;
|
|
|
5824 p_cpo = (char_u *)"";
|
|
|
5825
|
|
|
5826 str = get_var_string(&argvars[0]);
|
|
|
5827 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
5828
|
|
|
5829 if (type == 2)
|
|
|
5830 {
|
|
|
5831 retvar->var_type = VAR_STRING;
|
|
|
5832 retvar->var_val.var_string = NULL;
|
|
|
5833 }
|
|
|
5834 else
|
|
|
5835 retvar->var_val.var_number = -1;
|
|
|
5836
|
|
|
5837 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5838 {
|
|
|
5839 start = get_var_number(&argvars[2]);
|
|
|
5840 if (start < 0)
|
|
|
5841 start = 0;
|
|
|
5842 if (start > (long)STRLEN(str))
|
|
|
5843 goto theend;
|
|
|
5844 str += start;
|
|
|
5845 }
|
|
|
5846
|
|
|
5847 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
5848 if (regmatch.regprog != NULL)
|
|
|
5849 {
|
|
|
5850 regmatch.rm_ic = p_ic;
|
|
|
5851 if (vim_regexec_nl(®match, str, (colnr_T)0))
|
|
|
5852 {
|
|
|
5853 if (type == 2)
|
|
|
5854 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
5855 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
5856 else
|
|
|
5857 {
|
|
|
5858 if (type != 0)
|
|
|
5859 retvar->var_val.var_number =
|
|
|
5860 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
5861 else
|
|
|
5862 retvar->var_val.var_number =
|
|
|
5863 (varnumber_T)(regmatch.endp[0] - str);
|
|
|
5864 retvar->var_val.var_number += start;
|
|
|
5865 }
|
|
|
5866 }
|
|
|
5867 vim_free(regmatch.regprog);
|
|
|
5868 }
|
|
|
5869
|
|
|
5870 theend:
|
|
|
5871 p_cpo = save_cpo;
|
|
|
5872 }
|
|
|
5873
|
|
|
5874 /*
|
|
|
5875 * "mode()" function
|
|
|
5876 */
|
|
|
5877 /*ARGSUSED*/
|
|
|
5878 static void
|
|
|
5879 f_mode(argvars, retvar)
|
|
|
5880 VAR argvars;
|
|
|
5881 VAR retvar;
|
|
|
5882 {
|
|
|
5883 char_u buf[2];
|
|
|
5884
|
|
|
5885 #ifdef FEAT_VISUAL
|
|
|
5886 if (VIsual_active)
|
|
|
5887 {
|
|
|
5888 if (VIsual_select)
|
|
|
5889 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
5890 else
|
|
|
5891 buf[0] = VIsual_mode;
|
|
|
5892 }
|
|
|
5893 else
|
|
|
5894 #endif
|
|
|
5895 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
5896 buf[0] = 'r';
|
|
|
5897 else if (State & INSERT)
|
|
|
5898 {
|
|
|
5899 if (State & REPLACE_FLAG)
|
|
|
5900 buf[0] = 'R';
|
|
|
5901 else
|
|
|
5902 buf[0] = 'i';
|
|
|
5903 }
|
|
|
5904 else if (State & CMDLINE)
|
|
|
5905 buf[0] = 'c';
|
|
|
5906 else
|
|
|
5907 buf[0] = 'n';
|
|
|
5908
|
|
|
5909 buf[1] = NUL;
|
|
|
5910 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5911 retvar->var_type = VAR_STRING;
|
|
|
5912 }
|
|
|
5913
|
|
|
5914 /*
|
|
|
5915 * "nr2char()" function
|
|
|
5916 */
|
|
|
5917 static void
|
|
|
5918 f_nr2char(argvars, retvar)
|
|
|
5919 VAR argvars;
|
|
|
5920 VAR retvar;
|
|
|
5921 {
|
|
|
5922 char_u buf[NUMBUFLEN];
|
|
|
5923
|
|
|
5924 #ifdef FEAT_MBYTE
|
|
|
5925 if (has_mbyte)
|
|
|
5926 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
5927 else
|
|
|
5928 #endif
|
|
|
5929 {
|
|
|
5930 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
5931 buf[1] = NUL;
|
|
|
5932 }
|
|
|
5933 retvar->var_type = VAR_STRING;
|
|
|
5934 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
5935 }
|
|
|
5936
|
|
|
5937 /*
|
|
|
5938 * "rename({from}, {to})" function
|
|
|
5939 */
|
|
|
5940 static void
|
|
|
5941 f_rename(argvars, retvar)
|
|
|
5942 VAR argvars;
|
|
|
5943 VAR retvar;
|
|
|
5944 {
|
|
|
5945 char_u buf[NUMBUFLEN];
|
|
|
5946
|
|
|
5947 if (check_restricted() || check_secure())
|
|
|
5948 retvar->var_val.var_number = -1;
|
|
|
5949 else
|
|
|
5950 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
5951 get_var_string_buf(&argvars[1], buf));
|
|
|
5952 }
|
|
|
5953
|
|
|
5954 /*
|
|
|
5955 * "resolve()" function
|
|
|
5956 */
|
|
|
5957 static void
|
|
|
5958 f_resolve(argvars, retvar)
|
|
|
5959 VAR argvars;
|
|
|
5960 VAR retvar;
|
|
|
5961 {
|
|
|
5962 char_u *p;
|
|
|
5963
|
|
|
5964 p = get_var_string(&argvars[0]);
|
|
|
5965 #ifdef FEAT_SHORTCUT
|
|
|
5966 {
|
|
|
5967 char_u *v = NULL;
|
|
|
5968
|
|
|
5969 v = mch_resolve_shortcut(p);
|
|
|
5970 if (v != NULL)
|
|
|
5971 retvar->var_val.var_string = v;
|
|
|
5972 else
|
|
|
5973 retvar->var_val.var_string = vim_strsave(p);
|
|
|
5974 }
|
|
|
5975 #else
|
|
|
5976 # ifdef HAVE_READLINK
|
|
|
5977 {
|
|
|
5978 char_u buf[MAXPATHL + 1];
|
|
|
5979 char_u *cpy;
|
|
|
5980 int len;
|
|
|
5981 char_u *remain = NULL;
|
|
|
5982 char_u *q;
|
|
|
5983 int is_relative_to_current = FALSE;
|
|
|
5984 int has_trailing_pathsep = FALSE;
|
|
|
5985 int limit = 100;
|
|
|
5986
|
|
|
5987 p = vim_strsave(p);
|
|
|
5988
|
|
|
5989 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
5990 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
5991 is_relative_to_current = TRUE;
|
|
|
5992
|
|
|
5993 len = STRLEN(p);
|
|
|
5994 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
5995 has_trailing_pathsep = TRUE;
|
|
|
5996
|
|
|
5997 q = getnextcomp(p);
|
|
|
5998 if (*q != NUL)
|
|
|
5999 {
|
|
|
6000 /* Separate the first path component in "p", and keep the
|
|
|
6001 * remainder (beginning with the path separator). */
|
|
|
6002 remain = vim_strsave(q - 1);
|
|
|
6003 q[-1] = NUL;
|
|
|
6004 }
|
|
|
6005
|
|
|
6006 for (;;)
|
|
|
6007 {
|
|
|
6008 for (;;)
|
|
|
6009 {
|
|
|
6010 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
6011 if (len <= 0)
|
|
|
6012 break;
|
|
|
6013 buf[len] = NUL;
|
|
|
6014
|
|
|
6015 if (limit-- == 0)
|
|
|
6016 {
|
|
|
6017 vim_free(p);
|
|
|
6018 vim_free(remain);
|
|
|
6019 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
6020 retvar->var_val.var_string = NULL;
|
|
|
6021 goto fail;
|
|
|
6022 }
|
|
|
6023
|
|
|
6024 /* Ensure that the result will have a trailing path separator
|
|
|
6025 * if the argument has one. */
|
|
|
6026 if (remain == NULL && has_trailing_pathsep)
|
|
|
6027 add_pathsep(buf);
|
|
|
6028
|
|
|
6029 /* Separate the first path component in the link value and
|
|
|
6030 * concatenate the remainders. */
|
|
|
6031 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
6032 if (*q != NUL)
|
|
|
6033 {
|
|
|
6034 if (remain == NULL)
|
|
|
6035 remain = vim_strsave(q - 1);
|
|
|
6036 else
|
|
|
6037 {
|
|
|
6038 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
6039 if (cpy != NULL)
|
|
|
6040 {
|
|
|
6041 STRCAT(cpy, remain);
|
|
|
6042 vim_free(remain);
|
|
|
6043 remain = cpy;
|
|
|
6044 }
|
|
|
6045 }
|
|
|
6046 q[-1] = NUL;
|
|
|
6047 }
|
|
|
6048
|
|
|
6049 q = gettail(p);
|
|
|
6050 if (q > p && *q == NUL)
|
|
|
6051 {
|
|
|
6052 /* Ignore trailing path separator. */
|
|
|
6053 q[-1] = NUL;
|
|
|
6054 q = gettail(p);
|
|
|
6055 }
|
|
|
6056 if (q > p && !mch_isFullName(buf))
|
|
|
6057 {
|
|
|
6058 /* symlink is relative to directory of argument */
|
|
|
6059 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6060 if (cpy != NULL)
|
|
|
6061 {
|
|
|
6062 STRCPY(cpy, p);
|
|
|
6063 STRCPY(gettail(cpy), buf);
|
|
|
6064 vim_free(p);
|
|
|
6065 p = cpy;
|
|
|
6066 }
|
|
|
6067 }
|
|
|
6068 else
|
|
|
6069 {
|
|
|
6070 vim_free(p);
|
|
|
6071 p = vim_strsave(buf);
|
|
|
6072 }
|
|
|
6073 }
|
|
|
6074
|
|
|
6075 if (remain == NULL)
|
|
|
6076 break;
|
|
|
6077
|
|
|
6078 /* Append the first path component of "remain" to "p". */
|
|
|
6079 q = getnextcomp(remain + 1);
|
|
|
6080 len = q - remain - (*q != NUL);
|
|
|
6081 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6082 if (cpy != NULL)
|
|
|
6083 {
|
|
|
6084 STRNCAT(cpy, remain, len);
|
|
|
6085 vim_free(p);
|
|
|
6086 p = cpy;
|
|
|
6087 }
|
|
|
6088 /* Shorten "remain". */
|
|
|
6089 if (*q != NUL)
|
|
|
6090 STRCPY(remain, q - 1);
|
|
|
6091 else
|
|
|
6092 {
|
|
|
6093 vim_free(remain);
|
|
|
6094 remain = NULL;
|
|
|
6095 }
|
|
|
6096 }
|
|
|
6097
|
|
|
6098 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6099 * the current directory if and only if the argument had this form. */
|
|
|
6100 if (!vim_ispathsep(*p))
|
|
|
6101 {
|
|
|
6102 if (is_relative_to_current
|
|
|
6103 && *p != NUL
|
|
|
6104 && !(p[0] == '.'
|
|
|
6105 && (p[1] == NUL
|
|
|
6106 || vim_ispathsep(p[1])
|
|
|
6107 || (p[1] == '.'
|
|
|
6108 && (p[2] == NUL
|
|
|
6109 || vim_ispathsep(p[2]))))))
|
|
|
6110 {
|
|
|
6111 /* Prepend "./". */
|
|
|
6112 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6113 if (cpy != NULL)
|
|
|
6114 {
|
|
|
6115 STRCAT(cpy, p);
|
|
|
6116 vim_free(p);
|
|
|
6117 p = cpy;
|
|
|
6118 }
|
|
|
6119 }
|
|
|
6120 else if (!is_relative_to_current)
|
|
|
6121 {
|
|
|
6122 /* Strip leading "./". */
|
|
|
6123 q = p;
|
|
|
6124 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6125 q += 2;
|
|
|
6126 if (q > p)
|
|
|
6127 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6128 }
|
|
|
6129 }
|
|
|
6130
|
|
|
6131 /* Ensure that the result will have no trailing path separator
|
|
|
6132 * if the argument had none. But keep "/" or "//". */
|
|
|
6133 if (!has_trailing_pathsep)
|
|
|
6134 {
|
|
|
6135 q = p + STRLEN(p);
|
|
|
6136 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6137 && vim_ispathsep(q[-1]))
|
|
|
6138 --q;
|
|
|
6139 *q = NUL;
|
|
|
6140 }
|
|
|
6141
|
|
|
6142 retvar->var_val.var_string = p;
|
|
|
6143 }
|
|
|
6144 # else
|
|
|
6145 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6146 # endif
|
|
|
6147 #endif
|
|
|
6148
|
|
|
6149 simplify_filename(retvar->var_val.var_string);
|
|
|
6150
|
|
|
6151 #ifdef HAVE_READLINK
|
|
|
6152 fail:
|
|
|
6153 #endif
|
|
|
6154 retvar->var_type = VAR_STRING;
|
|
|
6155 }
|
|
|
6156
|
|
|
6157 /*
|
|
|
6158 * "simplify()" function
|
|
|
6159 */
|
|
|
6160 static void
|
|
|
6161 f_simplify(argvars, retvar)
|
|
|
6162 VAR argvars;
|
|
|
6163 VAR retvar;
|
|
|
6164 {
|
|
|
6165 char_u *p;
|
|
|
6166
|
|
|
6167 p = get_var_string(&argvars[0]);
|
|
|
6168 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6169 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6170 retvar->var_type = VAR_STRING;
|
|
|
6171 }
|
|
|
6172
|
|
|
6173 /*
|
|
|
6174 * "search()" function
|
|
|
6175 */
|
|
|
6176 static void
|
|
|
6177 f_search(argvars, retvar)
|
|
|
6178 VAR argvars;
|
|
|
6179 VAR retvar;
|
|
|
6180 {
|
|
|
6181 char_u *pat;
|
|
|
6182 pos_T pos;
|
|
|
6183 int save_p_ws = p_ws;
|
|
|
6184 int dir;
|
|
|
6185
|
|
|
6186 pat = get_var_string(&argvars[0]);
|
|
|
6187 dir = get_search_arg(&argvars[1], NULL); /* may set p_ws */
|
|
|
6188
|
|
|
6189 pos = curwin->w_cursor;
|
|
|
6190 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6191 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6192 {
|
|
|
6193 retvar->var_val.var_number = pos.lnum;
|
|
|
6194 curwin->w_cursor = pos;
|
|
|
6195 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6196 * correct that here */
|
|
|
6197 check_cursor();
|
|
|
6198 }
|
|
|
6199 else
|
|
|
6200 retvar->var_val.var_number = 0;
|
|
|
6201 p_ws = save_p_ws;
|
|
|
6202 }
|
|
|
6203
|
|
|
6204 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6205 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6206 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6207
|
|
|
6208 /*
|
|
|
6209 * "searchpair()" function
|
|
|
6210 */
|
|
|
6211 static void
|
|
|
6212 f_searchpair(argvars, retvar)
|
|
|
6213 VAR argvars;
|
|
|
6214 VAR retvar;
|
|
|
6215 {
|
|
|
6216 char_u *spat, *mpat, *epat;
|
|
|
6217 char_u *skip;
|
|
|
6218 char_u *pat, *pat2, *pat3;
|
|
|
6219 pos_T pos;
|
|
|
6220 pos_T firstpos;
|
|
|
6221 pos_T save_cursor;
|
|
|
6222 pos_T save_pos;
|
|
|
6223 int save_p_ws = p_ws;
|
|
|
6224 char_u *save_cpo;
|
|
|
6225 int dir;
|
|
|
6226 int flags = 0;
|
|
|
6227 char_u nbuf1[NUMBUFLEN];
|
|
|
6228 char_u nbuf2[NUMBUFLEN];
|
|
|
6229 char_u nbuf3[NUMBUFLEN];
|
|
|
6230 int n;
|
|
|
6231 int r;
|
|
|
6232 int nest = 1;
|
|
|
6233 int err;
|
|
|
6234
|
|
|
6235 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6236
|
|
|
6237 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6238 save_cpo = p_cpo;
|
|
|
6239 p_cpo = (char_u *)"";
|
|
|
6240
|
|
|
6241 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6242 spat = get_var_string(&argvars[0]);
|
|
|
6243 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6244 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6245
|
|
|
6246 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6247 * start/middle/end (pat3, for the top pair). */
|
|
|
6248 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6249 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6250 if (pat2 == NULL || pat3 == NULL)
|
|
|
6251 goto theend;
|
|
|
6252 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6253 if (*mpat == NUL)
|
|
|
6254 STRCPY(pat3, pat2);
|
|
|
6255 else
|
|
|
6256 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6257 spat, epat, mpat);
|
|
|
6258
|
|
|
6259 /* Handle the optional fourth argument: flags */
|
|
|
6260 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
|
6261
|
|
|
6262 /* Optional fifth argument: skip expresion */
|
|
|
6263 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6264 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6265 skip = (char_u *)"";
|
|
|
6266 else
|
|
|
6267 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6268
|
|
|
6269 save_cursor = curwin->w_cursor;
|
|
|
6270 pos = curwin->w_cursor;
|
|
|
6271 firstpos.lnum = 0;
|
|
|
6272 pat = pat3;
|
|
|
6273 for (;;)
|
|
|
6274 {
|
|
|
6275 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6276 SEARCH_KEEP, RE_SEARCH);
|
|
|
6277 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6278 /* didn't find it or found the first match again: FAIL */
|
|
|
6279 break;
|
|
|
6280
|
|
|
6281 if (firstpos.lnum == 0)
|
|
|
6282 firstpos = pos;
|
|
|
6283
|
|
|
6284 /* If the skip pattern matches, ignore this match. */
|
|
|
6285 if (*skip != NUL)
|
|
|
6286 {
|
|
|
6287 save_pos = curwin->w_cursor;
|
|
|
6288 curwin->w_cursor = pos;
|
|
|
6289 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6290 curwin->w_cursor = save_pos;
|
|
|
6291 if (err)
|
|
|
6292 {
|
|
|
6293 /* Evaluating {skip} caused an error, break here. */
|
|
|
6294 curwin->w_cursor = save_cursor;
|
|
|
6295 retvar->var_val.var_number = -1;
|
|
|
6296 break;
|
|
|
6297 }
|
|
|
6298 if (r)
|
|
|
6299 continue;
|
|
|
6300 }
|
|
|
6301
|
|
|
6302 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6303 {
|
|
|
6304 /* Found end when searching backwards or start when searching
|
|
|
6305 * forward: nested pair. */
|
|
|
6306 ++nest;
|
|
|
6307 pat = pat2; /* nested, don't search for middle */
|
|
|
6308 }
|
|
|
6309 else
|
|
|
6310 {
|
|
|
6311 /* Found end when searching forward or start when searching
|
|
|
6312 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6313 if (--nest == 1)
|
|
|
6314 pat = pat3; /* outer level, search for middle */
|
|
|
6315 }
|
|
|
6316
|
|
|
6317 if (nest == 0)
|
|
|
6318 {
|
|
|
6319 /* Found the match: return matchcount or line number. */
|
|
|
6320 if (flags & SP_RETCOUNT)
|
|
|
6321 ++retvar->var_val.var_number;
|
|
|
6322 else
|
|
|
6323 retvar->var_val.var_number = pos.lnum;
|
|
|
6324 curwin->w_cursor = pos;
|
|
|
6325 if (!(flags & SP_REPEAT))
|
|
|
6326 break;
|
|
|
6327 nest = 1; /* search for next unmatched */
|
|
|
6328 }
|
|
|
6329 }
|
|
|
6330
|
|
|
6331 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6332 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6333 curwin->w_cursor = save_cursor;
|
|
|
6334
|
|
|
6335 theend:
|
|
|
6336 vim_free(pat2);
|
|
|
6337 vim_free(pat3);
|
|
|
6338 p_ws = save_p_ws;
|
|
|
6339 p_cpo = save_cpo;
|
|
|
6340 }
|
|
|
6341
|
|
|
6342 static int
|
|
|
6343 get_search_arg(varp, flagsp)
|
|
|
6344 VAR varp;
|
|
|
6345 int *flagsp;
|
|
|
6346 {
|
|
|
6347 int dir = FORWARD;
|
|
|
6348 char_u *flags;
|
|
|
6349 char_u nbuf[NUMBUFLEN];
|
|
|
6350
|
|
|
6351 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6352 {
|
|
|
6353 flags = get_var_string_buf(varp, nbuf);
|
|
|
6354 if (vim_strchr(flags, 'b') != NULL)
|
|
|
6355 dir = BACKWARD;
|
|
|
6356 if (vim_strchr(flags, 'w') != NULL)
|
|
|
6357 p_ws = TRUE;
|
|
|
6358 if (vim_strchr(flags, 'W') != NULL)
|
|
|
6359 p_ws = FALSE;
|
|
|
6360 if (flagsp != NULL)
|
|
|
6361 {
|
|
|
6362 if (vim_strchr(flags, 'n') != NULL)
|
|
|
6363 *flagsp |= SP_NOMOVE;
|
|
|
6364 if (vim_strchr(flags, 'r') != NULL)
|
|
|
6365 *flagsp |= SP_REPEAT;
|
|
|
6366 if (vim_strchr(flags, 'm') != NULL)
|
|
|
6367 *flagsp |= SP_RETCOUNT;
|
|
|
6368 }
|
|
|
6369 }
|
|
|
6370 return dir;
|
|
|
6371 }
|
|
|
6372
|
|
|
6373 /*
|
|
|
6374 * "setbufvar()" function
|
|
|
6375 */
|
|
|
6376 /*ARGSUSED*/
|
|
|
6377 static void
|
|
|
6378 f_setbufvar(argvars, retvar)
|
|
|
6379 VAR argvars;
|
|
|
6380 VAR retvar;
|
|
|
6381 {
|
|
|
6382 buf_T *buf;
|
|
|
6383 #ifdef FEAT_AUTOCMD
|
|
|
6384 aco_save_T aco;
|
|
|
6385 #else
|
|
|
6386 buf_T *save_curbuf;
|
|
|
6387 #endif
|
|
|
6388 char_u *varname, *bufvarname;
|
|
|
6389 VAR varp;
|
|
|
6390 char_u nbuf[NUMBUFLEN];
|
|
|
6391
|
|
|
6392 if (check_restricted() || check_secure())
|
|
|
6393 return;
|
|
|
6394 ++emsg_off;
|
|
|
6395 buf = get_buf_var(&argvars[0]);
|
|
|
6396 varname = get_var_string(&argvars[1]);
|
|
|
6397 varp = &argvars[2];
|
|
|
6398
|
|
|
6399 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6400 {
|
|
|
6401 /* set curbuf to be our buf, temporarily */
|
|
|
6402 #ifdef FEAT_AUTOCMD
|
|
|
6403 aucmd_prepbuf(&aco, buf);
|
|
|
6404 #else
|
|
|
6405 save_curbuf = curbuf;
|
|
|
6406 curbuf = buf;
|
|
|
6407 #endif
|
|
|
6408
|
|
|
6409 if (*varname == '&')
|
|
|
6410 {
|
|
|
6411 ++varname;
|
|
|
6412 set_option_value(varname, get_var_number(varp),
|
|
|
6413 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6414 }
|
|
|
6415 else
|
|
|
6416 {
|
|
|
6417 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6418 if (bufvarname != NULL)
|
|
|
6419 {
|
|
|
6420 STRCPY(bufvarname, "b:");
|
|
|
6421 STRCPY(bufvarname + 2, varname);
|
|
|
6422 set_var(bufvarname, varp);
|
|
|
6423 vim_free(bufvarname);
|
|
|
6424 }
|
|
|
6425 }
|
|
|
6426
|
|
|
6427 /* reset notion of buffer */
|
|
|
6428 #ifdef FEAT_AUTOCMD
|
|
|
6429 aucmd_restbuf(&aco);
|
|
|
6430 #else
|
|
|
6431 curbuf = save_curbuf;
|
|
|
6432 #endif
|
|
|
6433 }
|
|
|
6434 --emsg_off;
|
|
|
6435 }
|
|
|
6436
|
|
|
6437 /*
|
|
|
6438 * "setcmdpos()" function
|
|
|
6439 */
|
|
|
6440 static void
|
|
|
6441 f_setcmdpos(argvars, retvar)
|
|
|
6442 VAR argvars;
|
|
|
6443 VAR retvar;
|
|
|
6444 {
|
|
|
6445 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6446 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6447 }
|
|
|
6448
|
|
|
6449 /*
|
|
|
6450 * "setline()" function
|
|
|
6451 */
|
|
|
6452 static void
|
|
|
6453 f_setline(argvars, retvar)
|
|
|
6454 VAR argvars;
|
|
|
6455 VAR retvar;
|
|
|
6456 {
|
|
|
6457 linenr_T lnum;
|
|
|
6458 char_u *line;
|
|
|
6459
|
|
|
6460 lnum = get_var_lnum(argvars);
|
|
|
6461 line = get_var_string(&argvars[1]);
|
|
|
6462 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6463
|
|
|
6464 if (lnum >= 1
|
|
|
6465 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6466 && u_savesub(lnum) == OK
|
|
|
6467 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6468 {
|
|
|
6469 changed_bytes(lnum, 0);
|
|
|
6470 check_cursor_col();
|
|
|
6471 retvar->var_val.var_number = 0;
|
|
|
6472 }
|
|
|
6473 }
|
|
|
6474
|
|
|
6475 /*
|
|
|
6476 * "setreg()" function
|
|
|
6477 */
|
|
|
6478 static void
|
|
|
6479 f_setreg(argvars, retvar)
|
|
|
6480 VAR argvars;
|
|
|
6481 VAR retvar;
|
|
|
6482 {
|
|
|
6483 int regname;
|
|
|
6484 char_u *strregname;
|
|
|
6485 char_u *stropt;
|
|
|
6486 int append;
|
|
|
6487 char_u yank_type;
|
|
|
6488 long block_len;
|
|
|
6489
|
|
|
6490 block_len = -1;
|
|
|
6491 yank_type = MAUTO;
|
|
|
6492 append = FALSE;
|
|
|
6493
|
|
|
6494 strregname = get_var_string(argvars);
|
|
|
6495 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6496
|
|
|
6497 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6498 if (regname == 0 || regname == '@')
|
|
|
6499 regname = '"';
|
|
|
6500 else if (regname == '=')
|
|
|
6501 return;
|
|
|
6502
|
|
|
6503 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6504 {
|
|
|
6505 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6506 switch (*stropt)
|
|
|
6507 {
|
|
|
6508 case 'a': case 'A': /* append */
|
|
|
6509 append = TRUE;
|
|
|
6510 break;
|
|
|
6511 case 'v': case 'c': /* character-wise selection */
|
|
|
6512 yank_type = MCHAR;
|
|
|
6513 break;
|
|
|
6514 case 'V': case 'l': /* line-wise selection */
|
|
|
6515 yank_type = MLINE;
|
|
|
6516 break;
|
|
|
6517 #ifdef FEAT_VISUAL
|
|
|
6518 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6519 yank_type = MBLOCK;
|
|
|
6520 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6521 {
|
|
|
6522 ++stropt;
|
|
|
6523 block_len = getdigits(&stropt) - 1;
|
|
|
6524 --stropt;
|
|
|
6525 }
|
|
|
6526 break;
|
|
|
6527 #endif
|
|
|
6528 }
|
|
|
6529 }
|
|
|
6530
|
|
|
6531 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6532 append, yank_type, block_len);
|
|
|
6533 retvar->var_val.var_number = 0;
|
|
|
6534 }
|
|
|
6535
|
|
|
6536
|
|
|
6537 /*
|
|
|
6538 * "setwinvar(expr)" function
|
|
|
6539 */
|
|
|
6540 /*ARGSUSED*/
|
|
|
6541 static void
|
|
|
6542 f_setwinvar(argvars, retvar)
|
|
|
6543 VAR argvars;
|
|
|
6544 VAR retvar;
|
|
|
6545 {
|
|
|
6546 win_T *win;
|
|
|
6547 #ifdef FEAT_WINDOWS
|
|
|
6548 win_T *save_curwin;
|
|
|
6549 #endif
|
|
|
6550 char_u *varname, *winvarname;
|
|
|
6551 VAR varp;
|
|
|
6552 char_u nbuf[NUMBUFLEN];
|
|
|
6553
|
|
|
6554 if (check_restricted() || check_secure())
|
|
|
6555 return;
|
|
|
6556 ++emsg_off;
|
|
|
6557 win = find_win_by_nr(&argvars[0]);
|
|
|
6558 varname = get_var_string(&argvars[1]);
|
|
|
6559 varp = &argvars[2];
|
|
|
6560
|
|
|
6561 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6562 {
|
|
|
6563 #ifdef FEAT_WINDOWS
|
|
|
6564 /* set curwin to be our win, temporarily */
|
|
|
6565 save_curwin = curwin;
|
|
|
6566 curwin = win;
|
|
|
6567 curbuf = curwin->w_buffer;
|
|
|
6568 #endif
|
|
|
6569
|
|
|
6570 if (*varname == '&')
|
|
|
6571 {
|
|
|
6572 ++varname;
|
|
|
6573 set_option_value(varname, get_var_number(varp),
|
|
|
6574 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6575 }
|
|
|
6576 else
|
|
|
6577 {
|
|
|
6578 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6579 if (winvarname != NULL)
|
|
|
6580 {
|
|
|
6581 STRCPY(winvarname, "w:");
|
|
|
6582 STRCPY(winvarname + 2, varname);
|
|
|
6583 set_var(winvarname, varp);
|
|
|
6584 vim_free(winvarname);
|
|
|
6585 }
|
|
|
6586 }
|
|
|
6587
|
|
|
6588 #ifdef FEAT_WINDOWS
|
|
|
6589 /* Restore current window, if it's still valid (autocomands can make
|
|
|
6590 * it invalid). */
|
|
|
6591 if (win_valid(save_curwin))
|
|
|
6592 {
|
|
|
6593 curwin = save_curwin;
|
|
|
6594 curbuf = curwin->w_buffer;
|
|
|
6595 }
|
|
|
6596 #endif
|
|
|
6597 }
|
|
|
6598 --emsg_off;
|
|
|
6599 }
|
|
|
6600
|
|
|
6601 /*
|
|
|
6602 * "nextnonblank()" function
|
|
|
6603 */
|
|
|
6604 static void
|
|
|
6605 f_nextnonblank(argvars, retvar)
|
|
|
6606 VAR argvars;
|
|
|
6607 VAR retvar;
|
|
|
6608 {
|
|
|
6609 linenr_T lnum;
|
|
|
6610
|
|
|
6611 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
6612 {
|
|
|
6613 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
6614 {
|
|
|
6615 lnum = 0;
|
|
|
6616 break;
|
|
|
6617 }
|
|
|
6618 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
6619 break;
|
|
|
6620 }
|
|
|
6621 retvar->var_val.var_number = lnum;
|
|
|
6622 }
|
|
|
6623
|
|
|
6624 /*
|
|
|
6625 * "prevnonblank()" function
|
|
|
6626 */
|
|
|
6627 static void
|
|
|
6628 f_prevnonblank(argvars, retvar)
|
|
|
6629 VAR argvars;
|
|
|
6630 VAR retvar;
|
|
|
6631 {
|
|
|
6632 linenr_T lnum;
|
|
|
6633
|
|
|
6634 lnum = get_var_lnum(argvars);
|
|
|
6635 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
6636 lnum = 0;
|
|
|
6637 else
|
|
|
6638 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
6639 --lnum;
|
|
|
6640 retvar->var_val.var_number = lnum;
|
|
|
6641 }
|
|
|
6642
|
|
|
6643 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
6644 static void make_connection __ARGS((void));
|
|
|
6645 static int check_connection __ARGS((void));
|
|
|
6646
|
|
|
6647 static void
|
|
|
6648 make_connection()
|
|
|
6649 {
|
|
|
6650 if (X_DISPLAY == NULL
|
|
|
6651 # ifdef FEAT_GUI
|
|
|
6652 && !gui.in_use
|
|
|
6653 # endif
|
|
|
6654 )
|
|
|
6655 {
|
|
|
6656 x_force_connect = TRUE;
|
|
|
6657 setup_term_clip();
|
|
|
6658 x_force_connect = FALSE;
|
|
|
6659 }
|
|
|
6660 }
|
|
|
6661
|
|
|
6662 static int
|
|
|
6663 check_connection()
|
|
|
6664 {
|
|
|
6665 make_connection();
|
|
|
6666 if (X_DISPLAY == NULL)
|
|
|
6667 {
|
|
|
6668 EMSG(_("E240: No connection to Vim server"));
|
|
|
6669 return FAIL;
|
|
|
6670 }
|
|
|
6671 return OK;
|
|
|
6672 }
|
|
|
6673 #endif
|
|
|
6674
|
|
|
6675 /*ARGSUSED*/
|
|
|
6676 static void
|
|
|
6677 f_serverlist(argvars, retvar)
|
|
|
6678 VAR argvars;
|
|
|
6679 VAR retvar;
|
|
|
6680 {
|
|
|
6681 char_u *r = NULL;
|
|
|
6682
|
|
|
6683 #ifdef FEAT_CLIENTSERVER
|
|
|
6684 # ifdef WIN32
|
|
|
6685 r = serverGetVimNames();
|
|
|
6686 # else
|
|
|
6687 make_connection();
|
|
|
6688 if (X_DISPLAY != NULL)
|
|
|
6689 r = serverGetVimNames(X_DISPLAY);
|
|
|
6690 # endif
|
|
|
6691 #endif
|
|
|
6692 retvar->var_type = VAR_STRING;
|
|
|
6693 retvar->var_val.var_string = r;
|
|
|
6694 }
|
|
|
6695
|
|
|
6696 /*ARGSUSED*/
|
|
|
6697 static void
|
|
|
6698 f_remote_peek(argvars, retvar)
|
|
|
6699 VAR argvars;
|
|
|
6700 VAR retvar;
|
|
|
6701 {
|
|
|
6702 #ifdef FEAT_CLIENTSERVER
|
|
|
6703 var v;
|
|
|
6704 char_u *s = NULL;
|
|
|
6705 # ifdef WIN32
|
|
|
6706 int n = 0;
|
|
|
6707 # endif
|
|
|
6708
|
|
|
6709 if (check_restricted() || check_secure())
|
|
|
6710 {
|
|
|
6711 retvar->var_val.var_number = -1;
|
|
|
6712 return;
|
|
|
6713 }
|
|
|
6714 # ifdef WIN32
|
|
|
6715 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6716 if (n == 0)
|
|
|
6717 retvar->var_val.var_number = -1;
|
|
|
6718 else
|
|
|
6719 {
|
|
|
6720 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
6721 retvar->var_val.var_number = (s != NULL);
|
|
|
6722 }
|
|
|
6723 # else
|
|
|
6724 retvar->var_val.var_number = 0;
|
|
|
6725 if (check_connection() == FAIL)
|
|
|
6726 return;
|
|
|
6727
|
|
|
6728 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
6729 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
6730 # endif
|
|
|
6731
|
|
|
6732 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
6733 {
|
|
|
6734 v.var_type = VAR_STRING;
|
|
|
6735 v.var_val.var_string = vim_strsave(s);
|
|
|
6736 set_var(get_var_string(&argvars[1]), &v);
|
|
|
6737 }
|
|
|
6738 #else
|
|
|
6739 retvar->var_val.var_number = -1;
|
|
|
6740 #endif
|
|
|
6741 }
|
|
|
6742
|
|
|
6743 /*ARGSUSED*/
|
|
|
6744 static void
|
|
|
6745 f_remote_read(argvars, retvar)
|
|
|
6746 VAR argvars;
|
|
|
6747 VAR retvar;
|
|
|
6748 {
|
|
|
6749 char_u *r = NULL;
|
|
|
6750
|
|
|
6751 #ifdef FEAT_CLIENTSERVER
|
|
|
6752 if (!check_restricted() && !check_secure())
|
|
|
6753 {
|
|
|
6754 # ifdef WIN32
|
|
|
6755 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
6756 int n = 0;
|
|
|
6757
|
|
|
6758 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
6759 if (n != 0)
|
|
|
6760 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
6761 if (r == NULL)
|
|
|
6762 # else
|
|
|
6763 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
6764 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
6765 # endif
|
|
|
6766 EMSG(_("E277: Unable to read a server reply"));
|
|
|
6767 }
|
|
|
6768 #endif
|
|
|
6769 retvar->var_type = VAR_STRING;
|
|
|
6770 retvar->var_val.var_string = r;
|
|
|
6771 }
|
|
|
6772
|
|
|
6773 /*ARGSUSED*/
|
|
|
6774 static void
|
|
|
6775 f_server2client(argvars, retvar)
|
|
|
6776 VAR argvars;
|
|
|
6777 VAR retvar;
|
|
|
6778 {
|
|
|
6779 #ifdef FEAT_CLIENTSERVER
|
|
|
6780 char_u buf[NUMBUFLEN];
|
|
|
6781 char_u *server = get_var_string(&argvars[0]);
|
|
|
6782 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
6783
|
|
|
6784 retvar->var_val.var_number = -1;
|
|
|
6785 if (check_restricted() || check_secure())
|
|
|
6786 return;
|
|
|
6787 # ifdef FEAT_X11
|
|
|
6788 if (check_connection() == FAIL)
|
|
|
6789 return;
|
|
|
6790 # endif
|
|
|
6791
|
|
|
6792 if (serverSendReply(server, reply) < 0)
|
|
|
6793 {
|
|
|
6794 EMSG(_("E258: Unable to send to client"));
|
|
|
6795 return;
|
|
|
6796 }
|
|
|
6797 retvar->var_val.var_number = 0;
|
|
|
6798 #else
|
|
|
6799 retvar->var_val.var_number = -1;
|
|
|
6800 #endif
|
|
|
6801 }
|
|
|
6802
|
|
|
6803 #ifdef FEAT_CLIENTSERVER
|
|
|
6804 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
6805
|
|
|
6806 static void
|
|
|
6807 remote_common(argvars, retvar, expr)
|
|
|
6808 VAR argvars;
|
|
|
6809 VAR retvar;
|
|
|
6810 int expr;
|
|
|
6811 {
|
|
|
6812 char_u *server_name;
|
|
|
6813 char_u *keys;
|
|
|
6814 char_u *r = NULL;
|
|
|
6815 char_u buf[NUMBUFLEN];
|
|
|
6816 # ifdef WIN32
|
|
|
6817 HWND w;
|
|
|
6818 # else
|
|
|
6819 Window w;
|
|
|
6820 # endif
|
|
|
6821
|
|
|
6822 if (check_restricted() || check_secure())
|
|
|
6823 return;
|
|
|
6824
|
|
|
6825 # ifdef FEAT_X11
|
|
|
6826 if (check_connection() == FAIL)
|
|
|
6827 return;
|
|
|
6828 # endif
|
|
|
6829
|
|
|
6830 server_name = get_var_string(&argvars[0]);
|
|
|
6831 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
6832 # ifdef WIN32
|
|
|
6833 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
6834 # else
|
|
|
6835 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
6836 < 0)
|
|
|
6837 # endif
|
|
|
6838 {
|
|
|
6839 if (r != NULL)
|
|
|
6840 EMSG(r); /* sending worked but evaluation failed */
|
|
|
6841 else
|
|
|
6842 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
6843 return;
|
|
|
6844 }
|
|
|
6845
|
|
|
6846 retvar->var_val.var_string = r;
|
|
|
6847
|
|
|
6848 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6849 {
|
|
|
6850 var v;
|
|
|
6851 char_u str[30];
|
|
|
6852
|
|
|
6853 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
6854 v.var_type = VAR_STRING;
|
|
|
6855 v.var_val.var_string = vim_strsave(str);
|
|
|
6856 set_var(get_var_string(&argvars[2]), &v);
|
|
|
6857 }
|
|
|
6858 }
|
|
|
6859 #endif
|
|
|
6860
|
|
|
6861 /*
|
|
|
6862 * "remote_expr()" function
|
|
|
6863 */
|
|
|
6864 /*ARGSUSED*/
|
|
|
6865 static void
|
|
|
6866 f_remote_expr(argvars, retvar)
|
|
|
6867 VAR argvars;
|
|
|
6868 VAR retvar;
|
|
|
6869 {
|
|
|
6870 retvar->var_type = VAR_STRING;
|
|
|
6871 retvar->var_val.var_string = NULL;
|
|
|
6872 #ifdef FEAT_CLIENTSERVER
|
|
|
6873 remote_common(argvars, retvar, TRUE);
|
|
|
6874 #endif
|
|
|
6875 }
|
|
|
6876
|
|
|
6877 /*
|
|
|
6878 * "remote_send()" function
|
|
|
6879 */
|
|
|
6880 /*ARGSUSED*/
|
|
|
6881 static void
|
|
|
6882 f_remote_send(argvars, retvar)
|
|
|
6883 VAR argvars;
|
|
|
6884 VAR retvar;
|
|
|
6885 {
|
|
|
6886 retvar->var_type = VAR_STRING;
|
|
|
6887 retvar->var_val.var_string = NULL;
|
|
|
6888 #ifdef FEAT_CLIENTSERVER
|
|
|
6889 remote_common(argvars, retvar, FALSE);
|
|
|
6890 #endif
|
|
|
6891 }
|
|
|
6892
|
|
|
6893 /*
|
|
|
6894 * "remote_foreground()" function
|
|
|
6895 */
|
|
|
6896 /*ARGSUSED*/
|
|
|
6897 static void
|
|
|
6898 f_remote_foreground(argvars, retvar)
|
|
|
6899 VAR argvars;
|
|
|
6900 VAR retvar;
|
|
|
6901 {
|
|
|
6902 retvar->var_val.var_number = 0;
|
|
|
6903 #ifdef FEAT_CLIENTSERVER
|
|
|
6904 # ifdef WIN32
|
|
|
6905 /* On Win32 it's done in this application. */
|
|
|
6906 serverForeground(get_var_string(&argvars[0]));
|
|
|
6907 # else
|
|
|
6908 /* Send a foreground() expression to the server. */
|
|
|
6909 argvars[1].var_type = VAR_STRING;
|
|
|
6910 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
6911 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
6912 remote_common(argvars, retvar, TRUE);
|
|
|
6913 vim_free(argvars[1].var_val.var_string);
|
|
|
6914 # endif
|
|
|
6915 #endif
|
|
|
6916 }
|
|
|
6917
|
|
|
6918 #ifdef HAVE_STRFTIME
|
|
|
6919 /*
|
|
|
6920 * "strftime({format}[, {time}])" function
|
|
|
6921 */
|
|
|
6922 static void
|
|
|
6923 f_strftime(argvars, retvar)
|
|
|
6924 VAR argvars;
|
|
|
6925 VAR retvar;
|
|
|
6926 {
|
|
|
6927 char_u result_buf[256];
|
|
|
6928 struct tm *curtime;
|
|
|
6929 time_t seconds;
|
|
|
6930 char_u *p;
|
|
|
6931
|
|
|
6932 retvar->var_type = VAR_STRING;
|
|
|
6933
|
|
|
6934 p = get_var_string(&argvars[0]);
|
|
|
6935 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
6936 seconds = time(NULL);
|
|
|
6937 else
|
|
|
6938 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
6939 curtime = localtime(&seconds);
|
|
|
6940 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
6941 if (curtime == NULL)
|
|
|
6942 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
6943 else
|
|
|
6944 {
|
|
|
6945 # ifdef FEAT_MBYTE
|
|
|
6946 vimconv_T conv;
|
|
|
6947 char_u *enc;
|
|
|
6948
|
|
|
6949 conv.vc_type = CONV_NONE;
|
|
|
6950 enc = enc_locale();
|
|
|
6951 convert_setup(&conv, p_enc, enc);
|
|
|
6952 if (conv.vc_type != CONV_NONE)
|
|
|
6953 p = string_convert(&conv, p, NULL);
|
|
|
6954 # endif
|
|
|
6955 if (p != NULL)
|
|
|
6956 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
6957 (char *)p, curtime);
|
|
|
6958 else
|
|
|
6959 result_buf[0] = NUL;
|
|
|
6960
|
|
|
6961 # ifdef FEAT_MBYTE
|
|
|
6962 if (conv.vc_type != CONV_NONE)
|
|
|
6963 vim_free(p);
|
|
|
6964 convert_setup(&conv, enc, p_enc);
|
|
|
6965 if (conv.vc_type != CONV_NONE)
|
|
|
6966 retvar->var_val.var_string =
|
|
|
6967 string_convert(&conv, result_buf, NULL);
|
|
|
6968 else
|
|
|
6969 # endif
|
|
|
6970 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
6971
|
|
|
6972 # ifdef FEAT_MBYTE
|
|
|
6973 /* Release conversion descriptors */
|
|
|
6974 convert_setup(&conv, NULL, NULL);
|
|
|
6975 vim_free(enc);
|
|
|
6976 # endif
|
|
|
6977 }
|
|
|
6978 }
|
|
|
6979 #endif
|
|
|
6980
|
|
|
6981 /*
|
|
|
6982 * "stridx()" function
|
|
|
6983 */
|
|
|
6984 static void
|
|
|
6985 f_stridx(argvars, retvar)
|
|
|
6986 VAR argvars;
|
|
|
6987 VAR retvar;
|
|
|
6988 {
|
|
|
6989 char_u buf[NUMBUFLEN];
|
|
|
6990 char_u *needle;
|
|
|
6991 char_u *haystack;
|
|
|
6992 char_u *pos;
|
|
|
6993
|
|
|
6994 needle = get_var_string(&argvars[1]);
|
|
|
6995 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
6996 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
6997
|
|
|
6998 if (pos == NULL)
|
|
|
6999 retvar->var_val.var_number = -1;
|
|
|
7000 else
|
|
|
7001 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
7002 }
|
|
|
7003
|
|
|
7004 /*
|
|
|
7005 * "strridx()" function
|
|
|
7006 */
|
|
|
7007 static void
|
|
|
7008 f_strridx(argvars, retvar)
|
|
|
7009 VAR argvars;
|
|
|
7010 VAR retvar;
|
|
|
7011 {
|
|
|
7012 char_u buf[NUMBUFLEN];
|
|
|
7013 char_u *needle;
|
|
|
7014 char_u *haystack;
|
|
|
7015 char_u *rest;
|
|
|
7016 char_u *lastmatch = NULL;
|
|
|
7017
|
|
|
7018 needle = get_var_string(&argvars[1]);
|
|
|
7019 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7020 rest = haystack;
|
|
|
7021 while (*haystack != '\0')
|
|
|
7022 {
|
|
|
7023 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
7024 if (rest == NULL)
|
|
|
7025 break;
|
|
|
7026 lastmatch = rest++;
|
|
|
7027 }
|
|
|
7028
|
|
|
7029 if (lastmatch == NULL)
|
|
|
7030 retvar->var_val.var_number = -1;
|
|
|
7031 else
|
|
|
7032 retvar->var_val.var_number = (varnumber_T) (lastmatch - haystack);
|
|
|
7033 }
|
|
|
7034
|
|
|
7035 /*
|
|
|
7036 * "strlen()" function
|
|
|
7037 */
|
|
|
7038 static void
|
|
|
7039 f_strlen(argvars, retvar)
|
|
|
7040 VAR argvars;
|
|
|
7041 VAR retvar;
|
|
|
7042 {
|
|
|
7043 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7044 }
|
|
|
7045
|
|
|
7046 /*
|
|
|
7047 * "strpart()" function
|
|
|
7048 */
|
|
|
7049 static void
|
|
|
7050 f_strpart(argvars, retvar)
|
|
|
7051 VAR argvars;
|
|
|
7052 VAR retvar;
|
|
|
7053 {
|
|
|
7054 char_u *p;
|
|
|
7055 int n;
|
|
|
7056 int len;
|
|
|
7057 int slen;
|
|
|
7058
|
|
|
7059 p = get_var_string(&argvars[0]);
|
|
|
7060 slen = (int)STRLEN(p);
|
|
|
7061
|
|
|
7062 n = get_var_number(&argvars[1]);
|
|
|
7063 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7064 len = get_var_number(&argvars[2]);
|
|
|
7065 else
|
|
|
7066 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7067
|
|
|
7068 /*
|
|
|
7069 * Only return the overlap between the specified part and the actual
|
|
|
7070 * string.
|
|
|
7071 */
|
|
|
7072 if (n < 0)
|
|
|
7073 {
|
|
|
7074 len += n;
|
|
|
7075 n = 0;
|
|
|
7076 }
|
|
|
7077 else if (n > slen)
|
|
|
7078 n = slen;
|
|
|
7079 if (len < 0)
|
|
|
7080 len = 0;
|
|
|
7081 else if (n + len > slen)
|
|
|
7082 len = slen - n;
|
|
|
7083
|
|
|
7084 retvar->var_type = VAR_STRING;
|
|
|
7085 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7086 }
|
|
|
7087
|
|
|
7088 /*
|
|
|
7089 * "strtrans()" function
|
|
|
7090 */
|
|
|
7091 static void
|
|
|
7092 f_strtrans(argvars, retvar)
|
|
|
7093 VAR argvars;
|
|
|
7094 VAR retvar;
|
|
|
7095 {
|
|
|
7096 retvar->var_type = VAR_STRING;
|
|
|
7097 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7098 }
|
|
|
7099
|
|
|
7100 /*
|
|
|
7101 * "synID(line, col, trans)" function
|
|
|
7102 */
|
|
|
7103 /*ARGSUSED*/
|
|
|
7104 static void
|
|
|
7105 f_synID(argvars, retvar)
|
|
|
7106 VAR argvars;
|
|
|
7107 VAR retvar;
|
|
|
7108 {
|
|
|
7109 int id = 0;
|
|
|
7110 #ifdef FEAT_SYN_HL
|
|
|
7111 long line;
|
|
|
7112 long col;
|
|
|
7113 int trans;
|
|
|
7114
|
|
|
7115 line = get_var_lnum(argvars);
|
|
|
7116 col = get_var_number(&argvars[1]) - 1;
|
|
|
7117 trans = get_var_number(&argvars[2]);
|
|
|
7118
|
|
|
7119 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7120 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7121 id = syn_get_id(line, col, trans);
|
|
|
7122 #endif
|
|
|
7123
|
|
|
7124 retvar->var_val.var_number = id;
|
|
|
7125 }
|
|
|
7126
|
|
|
7127 /*
|
|
|
7128 * "synIDattr(id, what [, mode])" function
|
|
|
7129 */
|
|
|
7130 /*ARGSUSED*/
|
|
|
7131 static void
|
|
|
7132 f_synIDattr(argvars, retvar)
|
|
|
7133 VAR argvars;
|
|
|
7134 VAR retvar;
|
|
|
7135 {
|
|
|
7136 char_u *p = NULL;
|
|
|
7137 #ifdef FEAT_SYN_HL
|
|
|
7138 int id;
|
|
|
7139 char_u *what;
|
|
|
7140 char_u *mode;
|
|
|
7141 char_u modebuf[NUMBUFLEN];
|
|
|
7142 int modec;
|
|
|
7143
|
|
|
7144 id = get_var_number(&argvars[0]);
|
|
|
7145 what = get_var_string(&argvars[1]);
|
|
|
7146 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7147 {
|
|
|
7148 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7149 modec = TOLOWER_ASC(mode[0]);
|
|
|
7150 if (modec != 't' && modec != 'c'
|
|
|
7151 #ifdef FEAT_GUI
|
|
|
7152 && modec != 'g'
|
|
|
7153 #endif
|
|
|
7154 )
|
|
|
7155 modec = 0; /* replace invalid with current */
|
|
|
7156 }
|
|
|
7157 else
|
|
|
7158 {
|
|
|
7159 #ifdef FEAT_GUI
|
|
|
7160 if (gui.in_use)
|
|
|
7161 modec = 'g';
|
|
|
7162 else
|
|
|
7163 #endif
|
|
|
7164 if (t_colors > 1)
|
|
|
7165 modec = 'c';
|
|
|
7166 else
|
|
|
7167 modec = 't';
|
|
|
7168 }
|
|
|
7169
|
|
|
7170
|
|
|
7171 switch (TOLOWER_ASC(what[0]))
|
|
|
7172 {
|
|
|
7173 case 'b':
|
|
|
7174 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7175 p = highlight_color(id, what, modec);
|
|
|
7176 else /* bold */
|
|
|
7177 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7178 break;
|
|
|
7179
|
|
|
7180 case 'f': /* fg[#] */
|
|
|
7181 p = highlight_color(id, what, modec);
|
|
|
7182 break;
|
|
|
7183
|
|
|
7184 case 'i':
|
|
|
7185 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7186 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7187 else /* italic */
|
|
|
7188 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7189 break;
|
|
|
7190
|
|
|
7191 case 'n': /* name */
|
|
|
7192 p = get_highlight_name(NULL, id - 1);
|
|
|
7193 break;
|
|
|
7194
|
|
|
7195 case 'r': /* reverse */
|
|
|
7196 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7197 break;
|
|
|
7198
|
|
|
7199 case 's': /* standout */
|
|
|
7200 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7201 break;
|
|
|
7202
|
|
|
7203 case 'u': /* underline */
|
|
|
7204 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7205 break;
|
|
|
7206 }
|
|
|
7207
|
|
|
7208 if (p != NULL)
|
|
|
7209 p = vim_strsave(p);
|
|
|
7210 #endif
|
|
|
7211 retvar->var_type = VAR_STRING;
|
|
|
7212 retvar->var_val.var_string = p;
|
|
|
7213 }
|
|
|
7214
|
|
|
7215 /*
|
|
|
7216 * "synIDtrans(id)" function
|
|
|
7217 */
|
|
|
7218 /*ARGSUSED*/
|
|
|
7219 static void
|
|
|
7220 f_synIDtrans(argvars, retvar)
|
|
|
7221 VAR argvars;
|
|
|
7222 VAR retvar;
|
|
|
7223 {
|
|
|
7224 int id;
|
|
|
7225
|
|
|
7226 #ifdef FEAT_SYN_HL
|
|
|
7227 id = get_var_number(&argvars[0]);
|
|
|
7228
|
|
|
7229 if (id > 0)
|
|
|
7230 id = syn_get_final_id(id);
|
|
|
7231 else
|
|
|
7232 #endif
|
|
|
7233 id = 0;
|
|
|
7234
|
|
|
7235 retvar->var_val.var_number = id;
|
|
|
7236 }
|
|
|
7237
|
|
|
7238 /*
|
|
|
7239 * "system()" function
|
|
|
7240 */
|
|
|
7241 static void
|
|
|
7242 f_system(argvars, retvar)
|
|
|
7243 VAR argvars;
|
|
|
7244 VAR retvar;
|
|
|
7245 {
|
|
|
7246 char_u *p;
|
|
|
7247
|
|
|
7248 p = get_cmd_output(get_var_string(&argvars[0]), SHELL_SILENT);
|
|
|
7249 #ifdef USE_CR
|
|
|
7250 /* translate <CR> into <NL> */
|
|
|
7251 if (p != NULL)
|
|
|
7252 {
|
|
|
7253 char_u *s;
|
|
|
7254
|
|
|
7255 for (s = p; *s; ++s)
|
|
|
7256 {
|
|
|
7257 if (*s == CAR)
|
|
|
7258 *s = NL;
|
|
|
7259 }
|
|
|
7260 }
|
|
|
7261 #else
|
|
|
7262 # ifdef USE_CRNL
|
|
|
7263 /* translate <CR><NL> into <NL> */
|
|
|
7264 if (p != NULL)
|
|
|
7265 {
|
|
|
7266 char_u *s, *d;
|
|
|
7267
|
|
|
7268 d = p;
|
|
|
7269 for (s = p; *s; ++s)
|
|
|
7270 {
|
|
|
7271 if (s[0] == CAR && s[1] == NL)
|
|
|
7272 ++s;
|
|
|
7273 *d++ = *s;
|
|
|
7274 }
|
|
|
7275 *d = NUL;
|
|
|
7276 }
|
|
|
7277 # endif
|
|
|
7278 #endif
|
|
|
7279 retvar->var_type = VAR_STRING;
|
|
|
7280 retvar->var_val.var_string = p;
|
|
|
7281 }
|
|
|
7282
|
|
|
7283 /*
|
|
|
7284 * "submatch()" function
|
|
|
7285 */
|
|
|
7286 static void
|
|
|
7287 f_submatch(argvars, retvar)
|
|
|
7288 VAR argvars;
|
|
|
7289 VAR retvar;
|
|
|
7290 {
|
|
|
7291 retvar->var_type = VAR_STRING;
|
|
|
7292 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7293 }
|
|
|
7294
|
|
|
7295 /*
|
|
|
7296 * "substitute()" function
|
|
|
7297 */
|
|
|
7298 static void
|
|
|
7299 f_substitute(argvars, retvar)
|
|
|
7300 VAR argvars;
|
|
|
7301 VAR retvar;
|
|
|
7302 {
|
|
|
7303 char_u patbuf[NUMBUFLEN];
|
|
|
7304 char_u subbuf[NUMBUFLEN];
|
|
|
7305 char_u flagsbuf[NUMBUFLEN];
|
|
|
7306
|
|
|
7307 retvar->var_type = VAR_STRING;
|
|
|
7308 retvar->var_val.var_string = do_string_sub(
|
|
|
7309 get_var_string(&argvars[0]),
|
|
|
7310 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7311 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7312 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7313 }
|
|
|
7314
|
|
|
7315 /*
|
|
|
7316 * "tempname()" function
|
|
|
7317 */
|
|
|
7318 /*ARGSUSED*/
|
|
|
7319 static void
|
|
|
7320 f_tempname(argvars, retvar)
|
|
|
7321 VAR argvars;
|
|
|
7322 VAR retvar;
|
|
|
7323 {
|
|
|
7324 static int x = 'A';
|
|
|
7325
|
|
|
7326 retvar->var_type = VAR_STRING;
|
|
|
7327 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7328
|
|
|
7329 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7330 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7331 do
|
|
|
7332 {
|
|
|
7333 if (x == 'Z')
|
|
|
7334 x = '0';
|
|
|
7335 else if (x == '9')
|
|
|
7336 x = 'A';
|
|
|
7337 else
|
|
|
7338 {
|
|
|
7339 #ifdef EBCDIC
|
|
|
7340 if (x == 'I')
|
|
|
7341 x = 'J';
|
|
|
7342 else if (x == 'R')
|
|
|
7343 x = 'S';
|
|
|
7344 else
|
|
|
7345 #endif
|
|
|
7346 ++x;
|
|
|
7347 }
|
|
|
7348 } while (x == 'I' || x == 'O');
|
|
|
7349 }
|
|
|
7350
|
|
|
7351 /*
|
|
|
7352 * "tolower(string)" function
|
|
|
7353 */
|
|
|
7354 static void
|
|
|
7355 f_tolower(argvars, retvar)
|
|
|
7356 VAR argvars;
|
|
|
7357 VAR retvar;
|
|
|
7358 {
|
|
|
7359 char_u *p;
|
|
|
7360
|
|
|
7361 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7362 retvar->var_type = VAR_STRING;
|
|
|
7363 retvar->var_val.var_string = p;
|
|
|
7364
|
|
|
7365 if (p != NULL)
|
|
|
7366 while (*p != NUL)
|
|
|
7367 {
|
|
|
7368 #ifdef FEAT_MBYTE
|
|
|
7369 int l;
|
|
|
7370
|
|
|
7371 if (enc_utf8)
|
|
|
7372 {
|
|
|
7373 int c, lc;
|
|
|
7374
|
|
|
7375 c = utf_ptr2char(p);
|
|
|
7376 lc = utf_tolower(c);
|
|
|
7377 l = utf_ptr2len_check(p);
|
|
|
7378 /* TODO: reallocate string when byte count changes. */
|
|
|
7379 if (utf_char2len(lc) == l)
|
|
|
7380 utf_char2bytes(lc, p);
|
|
|
7381 p += l;
|
|
|
7382 }
|
|
|
7383 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7384 p += l; /* skip multi-byte character */
|
|
|
7385 else
|
|
|
7386 #endif
|
|
|
7387 {
|
|
|
7388 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7389 ++p;
|
|
|
7390 }
|
|
|
7391 }
|
|
|
7392 }
|
|
|
7393
|
|
|
7394 /*
|
|
|
7395 * "toupper(string)" function
|
|
|
7396 */
|
|
|
7397 static void
|
|
|
7398 f_toupper(argvars, retvar)
|
|
|
7399 VAR argvars;
|
|
|
7400 VAR retvar;
|
|
|
7401 {
|
|
|
7402 char_u *p;
|
|
|
7403
|
|
|
7404 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7405 retvar->var_type = VAR_STRING;
|
|
|
7406 retvar->var_val.var_string = p;
|
|
|
7407
|
|
|
7408 if (p != NULL)
|
|
|
7409 while (*p != NUL)
|
|
|
7410 {
|
|
|
7411 #ifdef FEAT_MBYTE
|
|
|
7412 int l;
|
|
|
7413
|
|
|
7414 if (enc_utf8)
|
|
|
7415 {
|
|
|
7416 int c, uc;
|
|
|
7417
|
|
|
7418 c = utf_ptr2char(p);
|
|
|
7419 uc = utf_toupper(c);
|
|
|
7420 l = utf_ptr2len_check(p);
|
|
|
7421 /* TODO: reallocate string when byte count changes. */
|
|
|
7422 if (utf_char2len(uc) == l)
|
|
|
7423 utf_char2bytes(uc, p);
|
|
|
7424 p += l;
|
|
|
7425 }
|
|
|
7426 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7427 p += l; /* skip multi-byte character */
|
|
|
7428 else
|
|
|
7429 #endif
|
|
|
7430 {
|
|
|
7431 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7432 p++;
|
|
|
7433 }
|
|
|
7434 }
|
|
|
7435 }
|
|
|
7436
|
|
|
7437 /*
|
|
|
7438 * "type(expr)" function
|
|
|
7439 */
|
|
|
7440 static void
|
|
|
7441 f_type(argvars, retvar)
|
|
|
7442 VAR argvars;
|
|
|
7443 VAR retvar;
|
|
|
7444 {
|
|
|
7445 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
7446 retvar->var_val.var_number = 0;
|
|
|
7447 else
|
|
|
7448 retvar->var_val.var_number = 1;
|
|
|
7449 }
|
|
|
7450
|
|
|
7451 /*
|
|
|
7452 * "virtcol(string)" function
|
|
|
7453 */
|
|
|
7454 static void
|
|
|
7455 f_virtcol(argvars, retvar)
|
|
|
7456 VAR argvars;
|
|
|
7457 VAR retvar;
|
|
|
7458 {
|
|
|
7459 colnr_T vcol = 0;
|
|
|
7460 pos_T *fp;
|
|
|
7461
|
|
|
7462 fp = var2fpos(&argvars[0], FALSE);
|
|
|
7463 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
7464 {
|
|
|
7465 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
7466 ++vcol;
|
|
|
7467 }
|
|
|
7468
|
|
|
7469 retvar->var_val.var_number = vcol;
|
|
|
7470 }
|
|
|
7471
|
|
|
7472 /*
|
|
|
7473 * "visualmode()" function
|
|
|
7474 */
|
|
|
7475 /*ARGSUSED*/
|
|
|
7476 static void
|
|
|
7477 f_visualmode(argvars, retvar)
|
|
|
7478 VAR argvars;
|
|
|
7479 VAR retvar;
|
|
|
7480 {
|
|
|
7481 #ifdef FEAT_VISUAL
|
|
|
7482 char_u str[2];
|
|
|
7483
|
|
|
7484 retvar->var_type = VAR_STRING;
|
|
|
7485 str[0] = curbuf->b_visual_mode_eval;
|
|
|
7486 str[1] = NUL;
|
|
|
7487 retvar->var_val.var_string = vim_strsave(str);
|
|
|
7488
|
|
|
7489 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
7490 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
7491 && argvars[0].var_val.var_number != 0)
|
|
|
7492 || (argvars[0].var_type == VAR_STRING
|
|
|
7493 && *get_var_string(&argvars[0]) != NUL))
|
|
|
7494 curbuf->b_visual_mode_eval = NUL;
|
|
|
7495 #else
|
|
|
7496 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
7497 #endif
|
|
|
7498 }
|
|
|
7499
|
|
|
7500 /*
|
|
|
7501 * "winbufnr(nr)" function
|
|
|
7502 */
|
|
|
7503 static void
|
|
|
7504 f_winbufnr(argvars, retvar)
|
|
|
7505 VAR argvars;
|
|
|
7506 VAR retvar;
|
|
|
7507 {
|
|
|
7508 win_T *wp;
|
|
|
7509
|
|
|
7510 wp = find_win_by_nr(&argvars[0]);
|
|
|
7511 if (wp == NULL)
|
|
|
7512 retvar->var_val.var_number = -1;
|
|
|
7513 else
|
|
|
7514 retvar->var_val.var_number = wp->w_buffer->b_fnum;
|
|
|
7515 }
|
|
|
7516
|
|
|
7517 /*
|
|
|
7518 * "wincol()" function
|
|
|
7519 */
|
|
|
7520 /*ARGSUSED*/
|
|
|
7521 static void
|
|
|
7522 f_wincol(argvars, retvar)
|
|
|
7523 VAR argvars;
|
|
|
7524 VAR retvar;
|
|
|
7525 {
|
|
|
7526 validate_cursor();
|
|
|
7527 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
7528 }
|
|
|
7529
|
|
|
7530 /*
|
|
|
7531 * "winheight(nr)" function
|
|
|
7532 */
|
|
|
7533 static void
|
|
|
7534 f_winheight(argvars, retvar)
|
|
|
7535 VAR argvars;
|
|
|
7536 VAR retvar;
|
|
|
7537 {
|
|
|
7538 win_T *wp;
|
|
|
7539
|
|
|
7540 wp = find_win_by_nr(&argvars[0]);
|
|
|
7541 if (wp == NULL)
|
|
|
7542 retvar->var_val.var_number = -1;
|
|
|
7543 else
|
|
|
7544 retvar->var_val.var_number = wp->w_height;
|
|
|
7545 }
|
|
|
7546
|
|
|
7547 /*
|
|
|
7548 * "winline()" function
|
|
|
7549 */
|
|
|
7550 /*ARGSUSED*/
|
|
|
7551 static void
|
|
|
7552 f_winline(argvars, retvar)
|
|
|
7553 VAR argvars;
|
|
|
7554 VAR retvar;
|
|
|
7555 {
|
|
|
7556 validate_cursor();
|
|
|
7557 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
7558 }
|
|
|
7559
|
|
|
7560 /*
|
|
|
7561 * "winnr()" function
|
|
|
7562 */
|
|
|
7563 /* ARGSUSED */
|
|
|
7564 static void
|
|
|
7565 f_winnr(argvars, retvar)
|
|
|
7566 VAR argvars;
|
|
|
7567 VAR retvar;
|
|
|
7568 {
|
|
|
7569 int nr = 1;
|
|
|
7570 #ifdef FEAT_WINDOWS
|
|
|
7571 win_T *wp;
|
|
|
7572
|
|
|
7573 for (wp = firstwin; wp != curwin; wp = wp->w_next)
|
|
|
7574 ++nr;
|
|
|
7575 #endif
|
|
|
7576 retvar->var_val.var_number = nr;
|
|
|
7577 }
|
|
|
7578
|
|
|
7579 /*
|
|
|
7580 * "winrestcmd()" function
|
|
|
7581 */
|
|
|
7582 /* ARGSUSED */
|
|
|
7583 static void
|
|
|
7584 f_winrestcmd(argvars, retvar)
|
|
|
7585 VAR argvars;
|
|
|
7586 VAR retvar;
|
|
|
7587 {
|
|
|
7588 #ifdef FEAT_WINDOWS
|
|
|
7589 win_T *wp;
|
|
|
7590 int winnr = 1;
|
|
|
7591 garray_T ga;
|
|
|
7592 char_u buf[50];
|
|
|
7593
|
|
|
7594 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
7595 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7596 {
|
|
|
7597 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
7598 ga_concat(&ga, buf);
|
|
|
7599 # ifdef FEAT_VERTSPLIT
|
|
|
7600 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
7601 ga_concat(&ga, buf);
|
|
|
7602 # endif
|
|
|
7603 ++winnr;
|
|
|
7604 }
|
|
|
7605
|
|
|
7606 retvar->var_val.var_string = ga.ga_data;
|
|
|
7607 #else
|
|
|
7608 retvar->var_val.var_string = NULL;
|
|
|
7609 #endif
|
|
|
7610 retvar->var_type = VAR_STRING;
|
|
|
7611 }
|
|
|
7612
|
|
|
7613 /*
|
|
|
7614 * "winwidth(nr)" function
|
|
|
7615 */
|
|
|
7616 static void
|
|
|
7617 f_winwidth(argvars, retvar)
|
|
|
7618 VAR argvars;
|
|
|
7619 VAR retvar;
|
|
|
7620 {
|
|
|
7621 win_T *wp;
|
|
|
7622
|
|
|
7623 wp = find_win_by_nr(&argvars[0]);
|
|
|
7624 if (wp == NULL)
|
|
|
7625 retvar->var_val.var_number = -1;
|
|
|
7626 else
|
|
|
7627 #ifdef FEAT_VERTSPLIT
|
|
|
7628 retvar->var_val.var_number = wp->w_width;
|
|
|
7629 #else
|
|
|
7630 retvar->var_val.var_number = Columns;
|
|
|
7631 #endif
|
|
|
7632 }
|
|
|
7633
|
|
|
7634 static win_T *
|
|
|
7635 find_win_by_nr(vp)
|
|
|
7636 VAR vp;
|
|
|
7637 {
|
|
|
7638 #ifdef FEAT_WINDOWS
|
|
|
7639 win_T *wp;
|
|
|
7640 #endif
|
|
|
7641 int nr;
|
|
|
7642
|
|
|
7643 nr = get_var_number(vp);
|
|
|
7644
|
|
|
7645 #ifdef FEAT_WINDOWS
|
|
|
7646 if (nr == 0)
|
|
|
7647 return curwin;
|
|
|
7648
|
|
|
7649 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
7650 if (--nr <= 0)
|
|
|
7651 break;
|
|
|
7652 return wp;
|
|
|
7653 #else
|
|
|
7654 if (nr == 0 || nr == 1)
|
|
|
7655 return curwin;
|
|
|
7656 return NULL;
|
|
|
7657 #endif
|
|
|
7658 }
|
|
|
7659
|
|
|
7660 /*
|
|
|
7661 * Translate a String variable into a position.
|
|
|
7662 */
|
|
|
7663 static pos_T *
|
|
|
7664 var2fpos(varp, lnum)
|
|
|
7665 VAR varp;
|
|
|
7666 int lnum; /* TRUE when $ is last line */
|
|
|
7667 {
|
|
|
7668 char_u *name;
|
|
|
7669 static pos_T pos;
|
|
|
7670 pos_T *pp;
|
|
|
7671
|
|
|
7672 name = get_var_string(varp);
|
|
|
7673 if (name[0] == '.') /* cursor */
|
|
|
7674 return &curwin->w_cursor;
|
|
|
7675 if (name[0] == '\'') /* mark */
|
|
|
7676 {
|
|
|
7677 pp = getmark(name[1], FALSE);
|
|
|
7678 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
7679 return NULL;
|
|
|
7680 return pp;
|
|
|
7681 }
|
|
|
7682 if (name[0] == '$') /* last column or line */
|
|
|
7683 {
|
|
|
7684 if (lnum)
|
|
|
7685 {
|
|
|
7686 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
7687 pos.col = 0;
|
|
|
7688 }
|
|
|
7689 else
|
|
|
7690 {
|
|
|
7691 pos.lnum = curwin->w_cursor.lnum;
|
|
|
7692 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
7693 }
|
|
|
7694 return &pos;
|
|
|
7695 }
|
|
|
7696 return NULL;
|
|
|
7697 }
|
|
|
7698
|
|
|
7699 /*
|
|
|
7700 * Get the length of an environment variable name.
|
|
|
7701 * Advance "arg" to the first character after the name.
|
|
|
7702 * Return 0 for error.
|
|
|
7703 */
|
|
|
7704 static int
|
|
|
7705 get_env_len(arg)
|
|
|
7706 char_u **arg;
|
|
|
7707 {
|
|
|
7708 char_u *p;
|
|
|
7709 int len;
|
|
|
7710
|
|
|
7711 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
7712 ;
|
|
|
7713 if (p == *arg) /* no name found */
|
|
|
7714 return 0;
|
|
|
7715
|
|
|
7716 len = (int)(p - *arg);
|
|
|
7717 *arg = p;
|
|
|
7718 return len;
|
|
|
7719 }
|
|
|
7720
|
|
|
7721 /*
|
|
|
7722 * Get the length of the name of a function or internal variable.
|
|
|
7723 * "arg" is advanced to the first non-white character after the name.
|
|
|
7724 * Return 0 if something is wrong.
|
|
|
7725 */
|
|
|
7726 static int
|
|
|
7727 get_id_len(arg)
|
|
|
7728 char_u **arg;
|
|
|
7729 {
|
|
|
7730 char_u *p;
|
|
|
7731 int len;
|
|
|
7732
|
|
|
7733 /* Find the end of the name. */
|
|
|
7734 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
7735 ;
|
|
|
7736 if (p == *arg) /* no name found */
|
|
|
7737 return 0;
|
|
|
7738
|
|
|
7739 len = (int)(p - *arg);
|
|
|
7740 *arg = skipwhite(p);
|
|
|
7741
|
|
|
7742 return len;
|
|
|
7743 }
|
|
|
7744
|
|
|
7745 /*
|
|
|
7746 * Get the length of the name of a function.
|
|
|
7747 * "arg" is advanced to the first non-white character after the name.
|
|
|
7748 * Return 0 if something is wrong.
|
|
|
7749 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
7750 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
7751 */
|
|
|
7752 static int
|
|
|
7753 get_func_len(arg, alias, evaluate)
|
|
|
7754 char_u **arg;
|
|
|
7755 char_u **alias;
|
|
|
7756 int evaluate;
|
|
|
7757 {
|
|
|
7758 int len;
|
|
|
7759 #ifdef FEAT_MAGIC_BRACES
|
|
|
7760 char_u *p;
|
|
|
7761 char_u *expr_start;
|
|
|
7762 char_u *expr_end;
|
|
|
7763 #endif
|
|
|
7764
|
|
|
7765 *alias = NULL; /* default to no alias */
|
|
|
7766
|
|
|
7767 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
7768 && (*arg)[2] == (int)KE_SNR)
|
|
|
7769 {
|
|
|
7770 /* hard coded <SNR>, already translated */
|
|
|
7771 *arg += 3;
|
|
|
7772 return get_id_len(arg) + 3;
|
|
|
7773 }
|
|
|
7774 len = eval_fname_script(*arg);
|
|
|
7775 if (len > 0)
|
|
|
7776 {
|
|
|
7777 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
7778 *arg += len;
|
|
|
7779 }
|
|
|
7780
|
|
|
7781 #ifdef FEAT_MAGIC_BRACES
|
|
|
7782 /*
|
|
|
7783 * Find the end of the name;
|
|
|
7784 */
|
|
|
7785 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
7786 /* check for {} construction */
|
|
|
7787 if (expr_start != NULL)
|
|
|
7788 {
|
|
|
7789 char_u *temp_string;
|
|
|
7790
|
|
|
7791 if (!evaluate)
|
|
|
7792 {
|
|
|
7793 len += (int)(p - *arg);
|
|
|
7794 *arg = skipwhite(p);
|
|
|
7795 return len;
|
|
|
7796 }
|
|
|
7797
|
|
|
7798 /*
|
|
|
7799 * Include any <SID> etc in the expanded string:
|
|
|
7800 * Thus the -len here.
|
|
|
7801 */
|
|
|
7802 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
7803 if (temp_string == NULL)
|
|
|
7804 return 0;
|
|
|
7805 *alias = temp_string;
|
|
|
7806 *arg = skipwhite(p);
|
|
|
7807 return (int)STRLEN(temp_string);
|
|
|
7808 }
|
|
|
7809 #endif
|
|
|
7810
|
|
|
7811 len += get_id_len(arg);
|
|
|
7812 if (len == 0)
|
|
|
7813 EMSG2(_(e_invexpr2), *arg);
|
|
|
7814
|
|
|
7815 return len;
|
|
|
7816 }
|
|
|
7817
|
|
|
7818 static char_u *
|
|
|
7819 find_name_end(arg, expr_start, expr_end)
|
|
|
7820 char_u *arg;
|
|
|
7821 char_u **expr_start;
|
|
|
7822 char_u **expr_end;
|
|
|
7823 {
|
|
|
7824 int nesting = 0;
|
|
|
7825 char_u *p;
|
|
|
7826
|
|
|
7827 *expr_start = NULL;
|
|
|
7828 *expr_end = NULL;
|
|
|
7829
|
|
|
7830 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
7831 {
|
|
|
7832 #ifdef FEAT_MAGIC_BRACES
|
|
|
7833 if (*p == '{')
|
|
|
7834 {
|
|
|
7835 nesting++;
|
|
|
7836 if (*expr_start == NULL)
|
|
|
7837 *expr_start = p;
|
|
|
7838 }
|
|
|
7839 else if (*p == '}')
|
|
|
7840 {
|
|
|
7841 nesting--;
|
|
|
7842 if (nesting == 0 && *expr_end == NULL)
|
|
|
7843 *expr_end = p;
|
|
|
7844 }
|
|
|
7845 #endif
|
|
|
7846 }
|
|
|
7847
|
|
|
7848 return p;
|
|
|
7849 }
|
|
|
7850
|
|
|
7851 /*
|
|
|
7852 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
7853 */
|
|
|
7854 static int
|
|
|
7855 eval_isnamec(c)
|
|
|
7856 int c;
|
|
|
7857 {
|
|
|
7858 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
7859 #ifdef FEAT_MAGIC_BRACES
|
|
|
7860 || c == '{' || c == '}'
|
|
|
7861 #endif
|
|
|
7862 );
|
|
|
7863 }
|
|
|
7864
|
|
|
7865 /*
|
|
|
7866 * Find a v: variable.
|
|
|
7867 * Return it's index, or -1 if not found.
|
|
|
7868 */
|
|
|
7869 static int
|
|
|
7870 find_vim_var(name, len)
|
|
|
7871 char_u *name;
|
|
|
7872 int len; /* length of "name" */
|
|
|
7873 {
|
|
|
7874 char_u *vname;
|
|
|
7875 int vlen;
|
|
|
7876 int i;
|
|
|
7877
|
|
|
7878 /*
|
|
|
7879 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
7880 */
|
|
|
7881 if (name[0] == 'v' && name[1] == ':')
|
|
|
7882 {
|
|
|
7883 vname = name + 2;
|
|
|
7884 vlen = len - 2;
|
|
|
7885 }
|
|
|
7886 else
|
|
|
7887 {
|
|
|
7888 vname = name;
|
|
|
7889 vlen = len;
|
|
|
7890 }
|
|
|
7891 for (i = 0; i < VV_LEN; ++i)
|
|
|
7892 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
7893 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
7894 return i;
|
|
|
7895 return -1;
|
|
|
7896 }
|
|
|
7897
|
|
|
7898 /*
|
|
|
7899 * Set number v: variable to "val".
|
|
|
7900 */
|
|
|
7901 void
|
|
|
7902 set_vim_var_nr(idx, val)
|
|
|
7903 int idx;
|
|
|
7904 long val;
|
|
|
7905 {
|
|
|
7906 vimvars[idx].val = (char_u *)val;
|
|
|
7907 }
|
|
|
7908
|
|
|
7909 /*
|
|
|
7910 * Get number v: variable value;
|
|
|
7911 */
|
|
|
7912 long
|
|
|
7913 get_vim_var_nr(idx)
|
|
|
7914 int idx;
|
|
|
7915 {
|
|
|
7916 return (long)vimvars[idx].val;
|
|
|
7917 }
|
|
|
7918
|
|
|
7919 /*
|
|
|
7920 * Set v:count, v:count1 and v:prevcount.
|
|
|
7921 */
|
|
|
7922 void
|
|
|
7923 set_vcount(count, count1)
|
|
|
7924 long count;
|
|
|
7925 long count1;
|
|
|
7926 {
|
|
|
7927 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
7928 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
7929 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
7930 }
|
|
|
7931
|
|
|
7932 /*
|
|
|
7933 * Set string v: variable to a copy of "val".
|
|
|
7934 */
|
|
|
7935 void
|
|
|
7936 set_vim_var_string(idx, val, len)
|
|
|
7937 int idx;
|
|
|
7938 char_u *val;
|
|
|
7939 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
7940 {
|
|
|
7941 vim_free(vimvars[idx].val);
|
|
|
7942 if (val == NULL)
|
|
|
7943 vimvars[idx].val = NULL;
|
|
|
7944 else if (len == -1)
|
|
|
7945 vimvars[idx].val = vim_strsave(val);
|
|
|
7946 else
|
|
|
7947 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
7948 }
|
|
|
7949
|
|
|
7950 /*
|
|
|
7951 * Set v:register if needed.
|
|
|
7952 */
|
|
|
7953 void
|
|
|
7954 set_reg_var(c)
|
|
|
7955 int c;
|
|
|
7956 {
|
|
|
7957 char_u regname;
|
|
|
7958
|
|
|
7959 if (c == 0 || c == ' ')
|
|
|
7960 regname = '"';
|
|
|
7961 else
|
|
|
7962 regname = c;
|
|
|
7963 /* Avoid free/alloc when the value is already right. */
|
|
|
7964 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
7965 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
7966 }
|
|
|
7967
|
|
|
7968 /*
|
|
|
7969 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
7970 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7971 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
7972 * take care of memory allocations.
|
|
|
7973 */
|
|
|
7974 char_u *
|
|
|
7975 v_exception(oldval)
|
|
|
7976 char_u *oldval;
|
|
|
7977 {
|
|
|
7978 if (oldval == NULL)
|
|
|
7979 return vimvars[VV_EXCEPTION].val;
|
|
|
7980
|
|
|
7981 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
7982 return NULL;
|
|
|
7983 }
|
|
|
7984
|
|
|
7985 /*
|
|
|
7986 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
7987 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
7988 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
7989 * take care of memory allocations.
|
|
|
7990 */
|
|
|
7991 char_u *
|
|
|
7992 v_throwpoint(oldval)
|
|
|
7993 char_u *oldval;
|
|
|
7994 {
|
|
|
7995 if (oldval == NULL)
|
|
|
7996 return vimvars[VV_THROWPOINT].val;
|
|
|
7997
|
|
|
7998 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
7999 return NULL;
|
|
|
8000 }
|
|
|
8001
|
|
|
8002 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
8003 /*
|
|
|
8004 * Set v:cmdarg.
|
|
|
8005 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
8006 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
8007 * Must always be called in pairs!
|
|
|
8008 */
|
|
|
8009 char_u *
|
|
|
8010 set_cmdarg(eap, oldarg)
|
|
|
8011 exarg_T *eap;
|
|
|
8012 char_u *oldarg;
|
|
|
8013 {
|
|
|
8014 char_u *oldval;
|
|
|
8015 char_u *newval;
|
|
|
8016 unsigned len;
|
|
|
8017
|
|
|
8018 oldval = vimvars[VV_CMDARG].val;
|
|
|
8019 if (eap != NULL)
|
|
|
8020 {
|
|
|
8021 if (eap->force_bin == FORCE_BIN)
|
|
|
8022 len = 6;
|
|
|
8023 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8024 len = 8;
|
|
|
8025 else
|
|
|
8026 len = 0;
|
|
|
8027 if (eap->force_ff != 0)
|
|
|
8028 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
|
8029 # ifdef FEAT_MBYTE
|
|
|
8030 if (eap->force_enc != 0)
|
|
|
8031 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
|
8032 # endif
|
|
|
8033
|
|
|
8034 newval = alloc(len + 1);
|
|
|
8035 if (newval == NULL)
|
|
|
8036 return NULL;
|
|
|
8037
|
|
|
8038 if (eap->force_bin == FORCE_BIN)
|
|
|
8039 sprintf((char *)newval, " ++bin");
|
|
|
8040 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8041 sprintf((char *)newval, " ++nobin");
|
|
|
8042 else
|
|
|
8043 *newval = NUL;
|
|
|
8044 if (eap->force_ff != 0)
|
|
|
8045 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8046 eap->cmd + eap->force_ff);
|
|
|
8047 # ifdef FEAT_MBYTE
|
|
|
8048 if (eap->force_enc != 0)
|
|
|
8049 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8050 eap->cmd + eap->force_enc);
|
|
|
8051 # endif
|
|
|
8052 vimvars[VV_CMDARG].val = newval;
|
|
|
8053 return oldval;
|
|
|
8054 }
|
|
|
8055
|
|
|
8056 vim_free(oldval);
|
|
|
8057 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8058 return NULL;
|
|
|
8059 }
|
|
|
8060 #endif
|
|
|
8061
|
|
|
8062 /*
|
|
|
8063 * Get the value of internal variable "name".
|
|
|
8064 * Return OK or FAIL.
|
|
|
8065 */
|
|
|
8066 static int
|
|
|
8067 get_var_var(name, len, retvar)
|
|
|
8068 char_u *name;
|
|
|
8069 int len; /* length of "name" */
|
|
|
8070 VAR retvar; /* NULL when only checking existence */
|
|
|
8071 {
|
|
|
8072 int ret = OK;
|
|
|
8073 int type = VAR_UNKNOWN;
|
|
|
8074 long number = 1;
|
|
|
8075 char_u *string = NULL;
|
|
|
8076 VAR v;
|
|
|
8077 int cc;
|
|
|
8078 int i;
|
|
|
8079
|
|
|
8080 /* truncate the name, so that we can use strcmp() */
|
|
|
8081 cc = name[len];
|
|
|
8082 name[len] = NUL;
|
|
|
8083
|
|
|
8084 /*
|
|
|
8085 * Check for "b:changedtick".
|
|
|
8086 */
|
|
|
8087 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8088 {
|
|
|
8089 type = VAR_NUMBER;
|
|
|
8090 number = curbuf->b_changedtick;
|
|
|
8091 }
|
|
|
8092
|
|
|
8093 /*
|
|
|
8094 * Check for built-in v: variables.
|
|
|
8095 */
|
|
|
8096 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8097 {
|
|
|
8098 type = vimvars[i].type;
|
|
|
8099 number = (long)vimvars[i].val;
|
|
|
8100 string = vimvars[i].val;
|
|
|
8101 }
|
|
|
8102
|
|
|
8103 /*
|
|
|
8104 * Check for user-defined variables.
|
|
|
8105 */
|
|
|
8106 else
|
|
|
8107 {
|
|
|
8108 v = find_var(name, FALSE);
|
|
|
8109 if (v != NULL)
|
|
|
8110 {
|
|
|
8111 type = v->var_type;
|
|
|
8112 number = v->var_val.var_number;
|
|
|
8113 string = v->var_val.var_string;
|
|
|
8114 }
|
|
|
8115 }
|
|
|
8116
|
|
|
8117 if (type == VAR_UNKNOWN)
|
|
|
8118 {
|
|
|
8119 if (retvar != NULL)
|
|
|
8120 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8121 ret = FAIL;
|
|
|
8122 }
|
|
|
8123 else if (retvar != NULL)
|
|
|
8124 {
|
|
|
8125 retvar->var_type = type;
|
|
|
8126 if (type == VAR_NUMBER)
|
|
|
8127 retvar->var_val.var_number = number;
|
|
|
8128 else if (type == VAR_STRING)
|
|
|
8129 {
|
|
|
8130 if (string != NULL)
|
|
|
8131 string = vim_strsave(string);
|
|
|
8132 retvar->var_val.var_string = string;
|
|
|
8133 }
|
|
|
8134 }
|
|
|
8135
|
|
|
8136 name[len] = cc;
|
|
|
8137
|
|
|
8138 return ret;
|
|
|
8139 }
|
|
|
8140
|
|
|
8141 /*
|
|
|
8142 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8143 */
|
|
|
8144 static VAR
|
|
|
8145 alloc_var()
|
|
|
8146 {
|
|
|
8147 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8148 }
|
|
|
8149
|
|
|
8150 /*
|
|
|
8151 * Allocate memory for a variable, and assign a string to it.
|
|
|
8152 * The string "s" must have been allocated, it is consumed.
|
|
|
8153 * Return NULL for out of memory, the variable otherwise.
|
|
|
8154 */
|
|
|
8155 static VAR
|
|
|
8156 alloc_string_var(s)
|
|
|
8157 char_u *s;
|
|
|
8158 {
|
|
|
8159 VAR retvar;
|
|
|
8160
|
|
|
8161 retvar = alloc_var();
|
|
|
8162 if (retvar != NULL)
|
|
|
8163 {
|
|
|
8164 retvar->var_type = VAR_STRING;
|
|
|
8165 retvar->var_val.var_string = s;
|
|
|
8166 }
|
|
|
8167 else
|
|
|
8168 vim_free(s);
|
|
|
8169 return retvar;
|
|
|
8170 }
|
|
|
8171
|
|
|
8172 /*
|
|
|
8173 * Free the memory for a variable.
|
|
|
8174 */
|
|
|
8175 static void
|
|
|
8176 free_var(varp)
|
|
|
8177 VAR varp;
|
|
|
8178 {
|
|
|
8179 if (varp != NULL)
|
|
|
8180 {
|
|
|
8181 if (varp->var_type == VAR_STRING)
|
|
|
8182 vim_free(varp->var_val.var_string);
|
|
|
8183 vim_free(varp->var_name);
|
|
|
8184 vim_free(varp);
|
|
|
8185 }
|
|
|
8186 }
|
|
|
8187
|
|
|
8188 /*
|
|
|
8189 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8190 */
|
|
|
8191 static void
|
|
|
8192 clear_var(varp)
|
|
|
8193 VAR varp;
|
|
|
8194 {
|
|
|
8195 if (varp != NULL)
|
|
|
8196 {
|
|
|
8197 if (varp->var_type == VAR_STRING)
|
|
|
8198 {
|
|
|
8199 vim_free(varp->var_val.var_string);
|
|
|
8200 varp->var_val.var_string = NULL;
|
|
|
8201 }
|
|
|
8202 else
|
|
|
8203 varp->var_val.var_number = 0;
|
|
|
8204 }
|
|
|
8205 }
|
|
|
8206
|
|
|
8207 /*
|
|
|
8208 * Get the number value of a variable.
|
|
|
8209 * If it is a String variable, uses vim_str2nr().
|
|
|
8210 */
|
|
|
8211 static long
|
|
|
8212 get_var_number(varp)
|
|
|
8213 VAR varp;
|
|
|
8214 {
|
|
|
8215 long n;
|
|
|
8216
|
|
|
8217 if (varp->var_type == VAR_NUMBER)
|
|
|
8218 return (long)(varp->var_val.var_number);
|
|
|
8219 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8220 return 0L;
|
|
|
8221 else
|
|
|
8222 {
|
|
|
8223 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8224 return n;
|
|
|
8225 }
|
|
|
8226 }
|
|
|
8227
|
|
|
8228 /*
|
|
|
8229 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8230 */
|
|
|
8231 static linenr_T
|
|
|
8232 get_var_lnum(argvars)
|
|
|
8233 VAR argvars;
|
|
|
8234 {
|
|
|
8235 var retvar;
|
|
|
8236 linenr_T lnum;
|
|
|
8237
|
|
|
8238 lnum = get_var_number(&argvars[0]);
|
|
|
8239 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8240 {
|
|
|
8241 retvar.var_type = VAR_NUMBER;
|
|
|
8242 f_line(argvars, &retvar);
|
|
|
8243 lnum = retvar.var_val.var_number;
|
|
|
8244 clear_var(&retvar);
|
|
|
8245 }
|
|
|
8246 return lnum;
|
|
|
8247 }
|
|
|
8248
|
|
|
8249 /*
|
|
|
8250 * Get the string value of a variable.
|
|
|
8251 * If it is a Number variable, the number is converted into a string.
|
|
|
8252 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8253 * get_var_string_buf() uses a given buffer.
|
|
|
8254 * If the String variable has never been set, return an empty string.
|
|
|
8255 * Never returns NULL;
|
|
|
8256 */
|
|
|
8257 static char_u *
|
|
|
8258 get_var_string(varp)
|
|
|
8259 VAR varp;
|
|
|
8260 {
|
|
|
8261 static char_u mybuf[NUMBUFLEN];
|
|
|
8262
|
|
|
8263 return get_var_string_buf(varp, mybuf);
|
|
|
8264 }
|
|
|
8265
|
|
|
8266 static char_u *
|
|
|
8267 get_var_string_buf(varp, buf)
|
|
|
8268 VAR varp;
|
|
|
8269 char_u *buf;
|
|
|
8270 {
|
|
|
8271 if (varp->var_type == VAR_NUMBER)
|
|
|
8272 {
|
|
|
8273 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8274 return buf;
|
|
|
8275 }
|
|
|
8276 else if (varp->var_val.var_string == NULL)
|
|
|
8277 return (char_u *)"";
|
|
|
8278 else
|
|
|
8279 return varp->var_val.var_string;
|
|
|
8280 }
|
|
|
8281
|
|
|
8282 /*
|
|
|
8283 * Find variable "name" in the list of variables.
|
|
|
8284 * Return a pointer to it if found, NULL if not found.
|
|
|
8285 */
|
|
|
8286 static VAR
|
|
|
8287 find_var(name, writing)
|
|
|
8288 char_u *name;
|
|
|
8289 int writing;
|
|
|
8290 {
|
|
|
8291 int i;
|
|
|
8292 char_u *varname;
|
|
|
8293 garray_T *gap;
|
|
|
8294
|
|
|
8295 /* Check for function arguments "a:" */
|
|
|
8296 if (name[0] == 'a' && name[1] == ':')
|
|
|
8297 {
|
|
|
8298 if (writing)
|
|
|
8299 {
|
|
|
8300 EMSG2(_(e_readonlyvar), name);
|
|
|
8301 return NULL;
|
|
|
8302 }
|
|
|
8303 name += 2;
|
|
|
8304 if (current_funccal == NULL)
|
|
|
8305 return NULL;
|
|
|
8306 if (VIM_ISDIGIT(*name))
|
|
|
8307 {
|
|
|
8308 i = atol((char *)name);
|
|
|
8309 if (i == 0) /* a:0 */
|
|
|
8310 return ¤t_funccal->a0_var;
|
|
|
8311 i += current_funccal->func->args.ga_len;
|
|
|
8312 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8313 return NULL;
|
|
|
8314 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8315 }
|
|
|
8316 if (STRCMP(name, "firstline") == 0)
|
|
|
8317 return &(current_funccal->firstline);
|
|
|
8318 if (STRCMP(name, "lastline") == 0)
|
|
|
8319 return &(current_funccal->lastline);
|
|
|
8320 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8321 if (STRCMP(name, ((char_u **)
|
|
|
8322 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8323 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8324 return NULL;
|
|
|
8325 }
|
|
|
8326
|
|
|
8327 gap = find_var_ga(name, &varname);
|
|
|
8328 if (gap == NULL)
|
|
|
8329 return NULL;
|
|
|
8330 return find_var_in_ga(gap, varname);
|
|
|
8331 }
|
|
|
8332
|
|
|
8333 static VAR
|
|
|
8334 find_var_in_ga(gap, varname)
|
|
|
8335 garray_T *gap;
|
|
|
8336 char_u *varname;
|
|
|
8337 {
|
|
|
8338 int i;
|
|
|
8339
|
|
|
8340 for (i = gap->ga_len; --i >= 0; )
|
|
|
8341 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8342 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8343 break;
|
|
|
8344 if (i < 0)
|
|
|
8345 return NULL;
|
|
|
8346 return &VAR_GAP_ENTRY(i, gap);
|
|
|
8347 }
|
|
|
8348
|
|
|
8349 /*
|
|
|
8350 * Find the growarray and start of name without ':' for a variable name.
|
|
|
8351 */
|
|
|
8352 static garray_T *
|
|
|
8353 find_var_ga(name, varname)
|
|
|
8354 char_u *name;
|
|
|
8355 char_u **varname;
|
|
|
8356 {
|
|
|
8357 if (name[1] != ':')
|
|
|
8358 {
|
|
|
8359 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
8360 if (vim_strchr(name, ':') != NULL)
|
|
|
8361 return NULL;
|
|
|
8362 *varname = name;
|
|
|
8363 if (current_funccal == NULL)
|
|
|
8364 return &variables; /* global variable */
|
|
|
8365 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
8366 }
|
|
|
8367 *varname = name + 2;
|
|
|
8368 if (*name == 'b') /* buffer variable */
|
|
|
8369 return &curbuf->b_vars;
|
|
|
8370 if (*name == 'w') /* window variable */
|
|
|
8371 return &curwin->w_vars;
|
|
|
8372 if (*name == 'g') /* global variable */
|
|
|
8373 return &variables;
|
|
|
8374 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
8375 return ¤t_funccal->l_vars;
|
|
|
8376 if (*name == 's' /* script variable */
|
|
|
8377 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
8378 return &SCRIPT_VARS(current_SID);
|
|
|
8379 return NULL;
|
|
|
8380 }
|
|
|
8381
|
|
|
8382 /*
|
|
|
8383 * Get the string value of a (global/local) variable.
|
|
|
8384 * Returns NULL when it doesn't exist.
|
|
|
8385 */
|
|
|
8386 char_u *
|
|
|
8387 get_var_value(name)
|
|
|
8388 char_u *name;
|
|
|
8389 {
|
|
|
8390 VAR v;
|
|
|
8391
|
|
|
8392 v = find_var(name, FALSE);
|
|
|
8393 if (v == NULL)
|
|
|
8394 return NULL;
|
|
|
8395 return get_var_string(v);
|
|
|
8396 }
|
|
|
8397
|
|
|
8398 /*
|
|
|
8399 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
8400 * sourcing this script and when executing functions defined in the script.
|
|
|
8401 */
|
|
|
8402 void
|
|
|
8403 new_script_vars(id)
|
|
|
8404 scid_T id;
|
|
|
8405 {
|
|
|
8406 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
8407 {
|
|
|
8408 while (ga_scripts.ga_len < id)
|
|
|
8409 {
|
|
|
8410 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
8411 ++ga_scripts.ga_len;
|
|
|
8412 --ga_scripts.ga_room;
|
|
|
8413 }
|
|
|
8414 }
|
|
|
8415 }
|
|
|
8416
|
|
|
8417 /*
|
|
|
8418 * Initialize internal variables for use.
|
|
|
8419 */
|
|
|
8420 void
|
|
|
8421 var_init(gap)
|
|
|
8422 garray_T *gap;
|
|
|
8423 {
|
|
|
8424 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
8425 }
|
|
|
8426
|
|
|
8427 /*
|
|
|
8428 * Clean up a list of internal variables.
|
|
|
8429 */
|
|
|
8430 void
|
|
|
8431 var_clear(gap)
|
|
|
8432 garray_T *gap;
|
|
|
8433 {
|
|
|
8434 int i;
|
|
|
8435
|
|
|
8436 for (i = gap->ga_len; --i >= 0; )
|
|
|
8437 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
8438 ga_clear(gap);
|
|
|
8439 }
|
|
|
8440
|
|
|
8441 static void
|
|
|
8442 var_free_one(v)
|
|
|
8443 VAR v;
|
|
|
8444 {
|
|
|
8445 vim_free(v->var_name);
|
|
|
8446 v->var_name = NULL;
|
|
|
8447 if (v->var_type == VAR_STRING)
|
|
|
8448 vim_free(v->var_val.var_string);
|
|
|
8449 v->var_val.var_string = NULL;
|
|
|
8450 }
|
|
|
8451
|
|
|
8452 /*
|
|
|
8453 * List the value of one internal variable.
|
|
|
8454 */
|
|
|
8455 static void
|
|
|
8456 list_one_var(v, prefix)
|
|
|
8457 VAR v;
|
|
|
8458 char_u *prefix;
|
|
|
8459 {
|
|
|
8460 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
8461 }
|
|
|
8462
|
|
|
8463 /*
|
|
|
8464 * List the value of one "v:" variable.
|
|
|
8465 */
|
|
|
8466 static void
|
|
|
8467 list_vim_var(i)
|
|
|
8468 int i; /* index in vimvars[] */
|
|
|
8469 {
|
|
|
8470 char_u *p;
|
|
|
8471 char_u numbuf[NUMBUFLEN];
|
|
|
8472
|
|
|
8473 if (vimvars[i].type == VAR_NUMBER)
|
|
|
8474 {
|
|
|
8475 p = numbuf;
|
|
|
8476 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
8477 }
|
|
|
8478 else if (vimvars[i].val == NULL)
|
|
|
8479 p = (char_u *)"";
|
|
|
8480 else
|
|
|
8481 p = vimvars[i].val;
|
|
|
8482 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
8483 vimvars[i].type, p);
|
|
|
8484 }
|
|
|
8485
|
|
|
8486 static void
|
|
|
8487 list_one_var_a(prefix, name, type, string)
|
|
|
8488 char_u *prefix;
|
|
|
8489 char_u *name;
|
|
|
8490 int type;
|
|
|
8491 char_u *string;
|
|
|
8492 {
|
|
|
8493 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
8494 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
8495 msg_puts(name);
|
|
|
8496 msg_putchar(' ');
|
|
|
8497 msg_advance(22);
|
|
|
8498 if (type == VAR_NUMBER)
|
|
|
8499 msg_putchar('#');
|
|
|
8500 else
|
|
|
8501 msg_putchar(' ');
|
|
|
8502 msg_outtrans(string);
|
|
|
8503 }
|
|
|
8504
|
|
|
8505 /*
|
|
|
8506 * Set variable "name" to value in "varp".
|
|
|
8507 * If the variable already exists, the value is updated.
|
|
|
8508 * Otherwise the variable is created.
|
|
|
8509 */
|
|
|
8510 static void
|
|
|
8511 set_var(name, varp)
|
|
|
8512 char_u *name;
|
|
|
8513 VAR varp;
|
|
|
8514 {
|
|
|
8515 int i;
|
|
|
8516 VAR v;
|
|
|
8517 char_u *varname;
|
|
|
8518 garray_T *gap;
|
|
|
8519
|
|
|
8520 /*
|
|
|
8521 * Handle setting internal v: variables.
|
|
|
8522 */
|
|
|
8523 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
8524 if (i >= 0)
|
|
|
8525 {
|
|
|
8526 if (vimvars[i].flags & VV_RO)
|
|
|
8527 EMSG2(_(e_readonlyvar), name);
|
|
|
8528 else
|
|
|
8529 {
|
|
|
8530 if (vimvars[i].type == VAR_STRING)
|
|
|
8531 {
|
|
|
8532 vim_free(vimvars[i].val);
|
|
|
8533 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
8534 }
|
|
|
8535 else
|
|
|
8536 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
8537 }
|
|
|
8538 return;
|
|
|
8539 }
|
|
|
8540
|
|
|
8541 v = find_var(name, TRUE);
|
|
|
8542 if (v != NULL) /* existing variable, only need to free string */
|
|
|
8543 {
|
|
|
8544 if (v->var_type == VAR_STRING)
|
|
|
8545 vim_free(v->var_val.var_string);
|
|
|
8546 }
|
|
|
8547 else /* add a new variable */
|
|
|
8548 {
|
|
|
8549 gap = find_var_ga(name, &varname);
|
|
|
8550 if (gap == NULL) /* illegal name */
|
|
|
8551 {
|
|
|
8552 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
8553 return;
|
|
|
8554 }
|
|
|
8555
|
|
|
8556 /* Try to use an empty entry */
|
|
|
8557 for (i = gap->ga_len; --i >= 0; )
|
|
|
8558 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
8559 break;
|
|
|
8560 if (i < 0) /* need to allocate more room */
|
|
|
8561 {
|
|
|
8562 if (ga_grow(gap, 1) == FAIL)
|
|
|
8563 return;
|
|
|
8564 i = gap->ga_len;
|
|
|
8565 }
|
|
|
8566 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
8567 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
8568 return;
|
|
|
8569 if (i == gap->ga_len)
|
|
|
8570 {
|
|
|
8571 ++gap->ga_len;
|
|
|
8572 --gap->ga_room;
|
|
|
8573 }
|
|
|
8574 }
|
|
|
8575 copy_var(varp, v);
|
|
|
8576 }
|
|
|
8577
|
|
|
8578 static void
|
|
|
8579 copy_var(from, to)
|
|
|
8580 VAR from;
|
|
|
8581 VAR to;
|
|
|
8582 {
|
|
|
8583 to->var_type = from->var_type;
|
|
|
8584 if (from->var_type == VAR_STRING)
|
|
|
8585 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
8586 else
|
|
|
8587 to->var_val.var_number = from->var_val.var_number;
|
|
|
8588 }
|
|
|
8589
|
|
|
8590 /*
|
|
|
8591 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
8592 * newline at the end.
|
|
|
8593 * ":echon expr1 ..." print each argument plain.
|
|
|
8594 */
|
|
|
8595 void
|
|
|
8596 ex_echo(eap)
|
|
|
8597 exarg_T *eap;
|
|
|
8598 {
|
|
|
8599 char_u *arg = eap->arg;
|
|
|
8600 var retvar;
|
|
|
8601 char_u *p;
|
|
|
8602 int needclr = TRUE;
|
|
|
8603 int atstart = TRUE;
|
|
|
8604
|
|
|
8605 if (eap->skip)
|
|
|
8606 ++emsg_skip;
|
|
|
8607 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
8608 {
|
|
|
8609 p = arg;
|
|
|
8610 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8611 {
|
|
|
8612 /*
|
|
|
8613 * Report the invalid expression unless the expression evaluation
|
|
|
8614 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8615 * exception.
|
|
|
8616 */
|
|
|
8617 if (!aborting())
|
|
|
8618 EMSG2(_(e_invexpr2), p);
|
|
|
8619 break;
|
|
|
8620 }
|
|
|
8621 if (!eap->skip)
|
|
|
8622 {
|
|
|
8623 if (atstart)
|
|
|
8624 {
|
|
|
8625 atstart = FALSE;
|
|
|
8626 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
8627 * may cause a message to appear. */
|
|
|
8628 if (eap->cmdidx == CMD_echo)
|
|
|
8629 msg_start();
|
|
|
8630 }
|
|
|
8631 else if (eap->cmdidx == CMD_echo)
|
|
|
8632 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
8633 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
8634 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
8635 {
|
|
|
8636 if (*p != TAB && needclr)
|
|
|
8637 {
|
|
|
8638 /* remove any text still there from the command */
|
|
|
8639 msg_clr_eos();
|
|
|
8640 needclr = FALSE;
|
|
|
8641 }
|
|
|
8642 msg_putchar_attr(*p, echo_attr);
|
|
|
8643 }
|
|
|
8644 else
|
|
|
8645 {
|
|
|
8646 #ifdef FEAT_MBYTE
|
|
|
8647 if (has_mbyte)
|
|
|
8648 {
|
|
|
8649 int i = (*mb_ptr2len_check)(p);
|
|
|
8650
|
|
|
8651 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
8652 p += i - 1;
|
|
|
8653 }
|
|
|
8654 else
|
|
|
8655 #endif
|
|
|
8656 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
8657 }
|
|
|
8658 }
|
|
|
8659 clear_var(&retvar);
|
|
|
8660 arg = skipwhite(arg);
|
|
|
8661 }
|
|
|
8662 eap->nextcmd = check_nextcmd(arg);
|
|
|
8663
|
|
|
8664 if (eap->skip)
|
|
|
8665 --emsg_skip;
|
|
|
8666 else
|
|
|
8667 {
|
|
|
8668 /* remove text that may still be there from the command */
|
|
|
8669 if (needclr)
|
|
|
8670 msg_clr_eos();
|
|
|
8671 if (eap->cmdidx == CMD_echo)
|
|
|
8672 msg_end();
|
|
|
8673 }
|
|
|
8674 }
|
|
|
8675
|
|
|
8676 /*
|
|
|
8677 * ":echohl {name}".
|
|
|
8678 */
|
|
|
8679 void
|
|
|
8680 ex_echohl(eap)
|
|
|
8681 exarg_T *eap;
|
|
|
8682 {
|
|
|
8683 int id;
|
|
|
8684
|
|
|
8685 id = syn_name2id(eap->arg);
|
|
|
8686 if (id == 0)
|
|
|
8687 echo_attr = 0;
|
|
|
8688 else
|
|
|
8689 echo_attr = syn_id2attr(id);
|
|
|
8690 }
|
|
|
8691
|
|
|
8692 /*
|
|
|
8693 * ":execute expr1 ..." execute the result of an expression.
|
|
|
8694 * ":echomsg expr1 ..." Print a message
|
|
|
8695 * ":echoerr expr1 ..." Print an error
|
|
|
8696 * Each gets spaces around each argument and a newline at the end for
|
|
|
8697 * echo commands
|
|
|
8698 */
|
|
|
8699 void
|
|
|
8700 ex_execute(eap)
|
|
|
8701 exarg_T *eap;
|
|
|
8702 {
|
|
|
8703 char_u *arg = eap->arg;
|
|
|
8704 var retvar;
|
|
|
8705 int ret = OK;
|
|
|
8706 char_u *p;
|
|
|
8707 garray_T ga;
|
|
|
8708 int len;
|
|
|
8709 int save_did_emsg;
|
|
|
8710
|
|
|
8711 ga_init2(&ga, 1, 80);
|
|
|
8712
|
|
|
8713 if (eap->skip)
|
|
|
8714 ++emsg_skip;
|
|
|
8715 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
8716 {
|
|
|
8717 p = arg;
|
|
|
8718 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
8719 {
|
|
|
8720 /*
|
|
|
8721 * Report the invalid expression unless the expression evaluation
|
|
|
8722 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
8723 * exception.
|
|
|
8724 */
|
|
|
8725 if (!aborting())
|
|
|
8726 EMSG2(_(e_invexpr2), p);
|
|
|
8727 ret = FAIL;
|
|
|
8728 break;
|
|
|
8729 }
|
|
|
8730
|
|
|
8731 if (!eap->skip)
|
|
|
8732 {
|
|
|
8733 p = get_var_string(&retvar);
|
|
|
8734 len = (int)STRLEN(p);
|
|
|
8735 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
8736 {
|
|
|
8737 clear_var(&retvar);
|
|
|
8738 ret = FAIL;
|
|
|
8739 break;
|
|
|
8740 }
|
|
|
8741 if (ga.ga_len)
|
|
|
8742 {
|
|
|
8743 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
8744 --ga.ga_room;
|
|
|
8745 }
|
|
|
8746 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
8747 ga.ga_room -= len;
|
|
|
8748 ga.ga_len += len;
|
|
|
8749 }
|
|
|
8750
|
|
|
8751 clear_var(&retvar);
|
|
|
8752 arg = skipwhite(arg);
|
|
|
8753 }
|
|
|
8754
|
|
|
8755 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
8756 {
|
|
|
8757 if (eap->cmdidx == CMD_echomsg)
|
|
|
8758 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
8759 else if (eap->cmdidx == CMD_echoerr)
|
|
|
8760 {
|
|
|
8761 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
8762 save_did_emsg = did_emsg;
|
|
|
8763 EMSG((char_u *)ga.ga_data);
|
|
|
8764 if (!force_abort)
|
|
|
8765 did_emsg = save_did_emsg;
|
|
|
8766 }
|
|
|
8767 else if (eap->cmdidx == CMD_execute)
|
|
|
8768 do_cmdline((char_u *)ga.ga_data,
|
|
|
8769 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
8770 }
|
|
|
8771
|
|
|
8772 ga_clear(&ga);
|
|
|
8773
|
|
|
8774 if (eap->skip)
|
|
|
8775 --emsg_skip;
|
|
|
8776
|
|
|
8777 eap->nextcmd = check_nextcmd(arg);
|
|
|
8778 }
|
|
|
8779
|
|
|
8780 /*
|
|
|
8781 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
8782 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
8783 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
8784 * after the option name.
|
|
|
8785 */
|
|
|
8786 static char_u *
|
|
|
8787 find_option_end(arg, opt_flags)
|
|
|
8788 char_u **arg;
|
|
|
8789 int *opt_flags;
|
|
|
8790 {
|
|
|
8791 char_u *p = *arg;
|
|
|
8792
|
|
|
8793 ++p;
|
|
|
8794 if (*p == 'g' && p[1] == ':')
|
|
|
8795 {
|
|
|
8796 *opt_flags = OPT_GLOBAL;
|
|
|
8797 p += 2;
|
|
|
8798 }
|
|
|
8799 else if (*p == 'l' && p[1] == ':')
|
|
|
8800 {
|
|
|
8801 *opt_flags = OPT_LOCAL;
|
|
|
8802 p += 2;
|
|
|
8803 }
|
|
|
8804 else
|
|
|
8805 *opt_flags = 0;
|
|
|
8806
|
|
|
8807 if (!ASCII_ISALPHA(*p))
|
|
|
8808 return NULL;
|
|
|
8809 *arg = p;
|
|
|
8810
|
|
|
8811 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
8812 p += 4; /* termcap option */
|
|
|
8813 else
|
|
|
8814 while (ASCII_ISALPHA(*p))
|
|
|
8815 ++p;
|
|
|
8816 return p;
|
|
|
8817 }
|
|
|
8818
|
|
|
8819 /*
|
|
|
8820 * ":function"
|
|
|
8821 */
|
|
|
8822 void
|
|
|
8823 ex_function(eap)
|
|
|
8824 exarg_T *eap;
|
|
|
8825 {
|
|
|
8826 char_u *theline;
|
|
|
8827 int j;
|
|
|
8828 int c;
|
|
|
8829 #ifdef FEAT_MAGIC_BRACES
|
|
|
8830 int saved_did_emsg;
|
|
|
8831 #endif
|
|
|
8832 char_u *name = NULL;
|
|
|
8833 char_u *p;
|
|
|
8834 char_u *arg;
|
|
|
8835 garray_T newargs;
|
|
|
8836 garray_T newlines;
|
|
|
8837 int varargs = FALSE;
|
|
|
8838 int mustend = FALSE;
|
|
|
8839 int flags = 0;
|
|
|
8840 ufunc_T *fp;
|
|
|
8841 int indent;
|
|
|
8842 int nesting;
|
|
|
8843 char_u *skip_until = NULL;
|
|
|
8844 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
8845
|
|
|
8846 /*
|
|
|
8847 * ":function" without argument: list functions.
|
|
|
8848 */
|
|
|
8849 if (ends_excmd(*eap->arg))
|
|
|
8850 {
|
|
|
8851 if (!eap->skip)
|
|
|
8852 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
8853 list_func_head(fp, FALSE);
|
|
|
8854 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
8855 return;
|
|
|
8856 }
|
|
|
8857
|
|
|
8858 p = eap->arg;
|
|
|
8859 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
8860 if (name == NULL && !eap->skip)
|
|
|
8861 {
|
|
|
8862 /*
|
|
|
8863 * Return on an invalid expression in braces, unless the expression
|
|
|
8864 * evaluation has been cancelled due to an aborting error, an
|
|
|
8865 * interrupt, or an exception.
|
|
|
8866 */
|
|
|
8867 if (!aborting())
|
|
|
8868 return;
|
|
|
8869 else
|
|
|
8870 eap->skip = TRUE;
|
|
|
8871 }
|
|
|
8872 #ifdef FEAT_MAGIC_BRACES
|
|
|
8873 /* An error in a function call during evaluation of an expression in magic
|
|
|
8874 * braces should not cause the function not to be defined. */
|
|
|
8875 saved_did_emsg = did_emsg;
|
|
|
8876 did_emsg = FALSE;
|
|
|
8877 #endif
|
|
|
8878
|
|
|
8879 /*
|
|
|
8880 * ":function func" with only function name: list function.
|
|
|
8881 */
|
|
|
8882 if (vim_strchr(p, '(') == NULL)
|
|
|
8883 {
|
|
|
8884 if (!ends_excmd(*skipwhite(p)))
|
|
|
8885 {
|
|
|
8886 EMSG(_(e_trailing));
|
|
|
8887 goto erret_name;
|
|
|
8888 }
|
|
|
8889 eap->nextcmd = check_nextcmd(p);
|
|
|
8890 if (eap->nextcmd != NULL)
|
|
|
8891 *p = NUL;
|
|
|
8892 if (!eap->skip && !got_int)
|
|
|
8893 {
|
|
|
8894 fp = find_func(name);
|
|
|
8895 if (fp != NULL)
|
|
|
8896 {
|
|
|
8897 list_func_head(fp, TRUE);
|
|
|
8898 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
8899 {
|
|
|
8900 msg_putchar('\n');
|
|
|
8901 msg_outnum((long)(j + 1));
|
|
|
8902 if (j < 9)
|
|
|
8903 msg_putchar(' ');
|
|
|
8904 if (j < 99)
|
|
|
8905 msg_putchar(' ');
|
|
|
8906 msg_prt_line(FUNCLINE(fp, j));
|
|
|
8907 out_flush(); /* show a line at a time */
|
|
|
8908 ui_breakcheck();
|
|
|
8909 }
|
|
|
8910 if (!got_int)
|
|
|
8911 {
|
|
|
8912 msg_putchar('\n');
|
|
|
8913 msg_puts((char_u *)" endfunction");
|
|
|
8914 }
|
|
|
8915 }
|
|
|
8916 else
|
|
|
8917 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
8918 }
|
|
|
8919 goto erret_name;
|
|
|
8920 }
|
|
|
8921
|
|
|
8922 /*
|
|
|
8923 * ":function name(arg1, arg2)" Define function.
|
|
|
8924 */
|
|
|
8925 p = skipwhite(p);
|
|
|
8926 if (*p != '(')
|
|
|
8927 {
|
|
|
8928 if (!eap->skip)
|
|
|
8929 {
|
|
|
8930 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
8931 goto erret_name;
|
|
|
8932 }
|
|
|
8933 /* attempt to continue by skipping some text */
|
|
|
8934 if (vim_strchr(p, '(') != NULL)
|
|
|
8935 p = vim_strchr(p, '(');
|
|
|
8936 }
|
|
|
8937 p = skipwhite(p + 1);
|
|
|
8938
|
|
|
8939 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
8940 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
8941
|
|
|
8942 /*
|
|
|
8943 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
8944 */
|
|
|
8945 while (*p != ')')
|
|
|
8946 {
|
|
|
8947 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
8948 {
|
|
|
8949 varargs = TRUE;
|
|
|
8950 p += 3;
|
|
|
8951 mustend = TRUE;
|
|
|
8952 }
|
|
|
8953 else
|
|
|
8954 {
|
|
|
8955 arg = p;
|
|
|
8956 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
8957 ++p;
|
|
|
8958 if (arg == p || isdigit(*arg)
|
|
|
8959 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
8960 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
8961 {
|
|
|
8962 if (!eap->skip)
|
|
|
8963 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
8964 break;
|
|
|
8965 }
|
|
|
8966 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
8967 goto erret;
|
|
|
8968 c = *p;
|
|
|
8969 *p = NUL;
|
|
|
8970 arg = vim_strsave(arg);
|
|
|
8971 if (arg == NULL)
|
|
|
8972 goto erret;
|
|
|
8973 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
8974 *p = c;
|
|
|
8975 newargs.ga_len++;
|
|
|
8976 newargs.ga_room--;
|
|
|
8977 if (*p == ',')
|
|
|
8978 ++p;
|
|
|
8979 else
|
|
|
8980 mustend = TRUE;
|
|
|
8981 }
|
|
|
8982 p = skipwhite(p);
|
|
|
8983 if (mustend && *p != ')')
|
|
|
8984 {
|
|
|
8985 if (!eap->skip)
|
|
|
8986 EMSG2(_(e_invarg2), eap->arg);
|
|
|
8987 break;
|
|
|
8988 }
|
|
|
8989 }
|
|
|
8990 ++p; /* skip the ')' */
|
|
|
8991
|
|
|
8992 /* find extra arguments "range" and "abort" */
|
|
|
8993 for (;;)
|
|
|
8994 {
|
|
|
8995 p = skipwhite(p);
|
|
|
8996 if (STRNCMP(p, "range", 5) == 0)
|
|
|
8997 {
|
|
|
8998 flags |= FC_RANGE;
|
|
|
8999 p += 5;
|
|
|
9000 }
|
|
|
9001 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
9002 {
|
|
|
9003 flags |= FC_ABORT;
|
|
|
9004 p += 5;
|
|
|
9005 }
|
|
|
9006 else
|
|
|
9007 break;
|
|
|
9008 }
|
|
|
9009
|
|
|
9010 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
9011 EMSG(_(e_trailing));
|
|
|
9012
|
|
|
9013 /*
|
|
|
9014 * Read the body of the function, until ":endfunction" is found.
|
|
|
9015 */
|
|
|
9016 if (KeyTyped)
|
|
|
9017 {
|
|
|
9018 /* Check if the function already exists, don't let the user type the
|
|
|
9019 * whole function before telling him it doesn't work! For a script we
|
|
|
9020 * need to skip the body to be able to find what follows. */
|
|
|
9021 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
9022 EMSG2(_(e_funcexts), name);
|
|
|
9023
|
|
|
9024 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
9025 cmdline_row = msg_row;
|
|
|
9026 }
|
|
|
9027
|
|
|
9028 indent = 2;
|
|
|
9029 nesting = 0;
|
|
|
9030 for (;;)
|
|
|
9031 {
|
|
|
9032 msg_scroll = TRUE;
|
|
|
9033 need_wait_return = FALSE;
|
|
|
9034 if (eap->getline == NULL)
|
|
|
9035 theline = getcmdline(':', 0L, indent);
|
|
|
9036 else
|
|
|
9037 theline = eap->getline(':', eap->cookie, indent);
|
|
|
9038 if (KeyTyped)
|
|
|
9039 lines_left = Rows - 1;
|
|
|
9040 if (theline == NULL)
|
|
|
9041 {
|
|
|
9042 EMSG(_("E126: Missing :endfunction"));
|
|
|
9043 goto erret;
|
|
|
9044 }
|
|
|
9045
|
|
|
9046 if (skip_until != NULL)
|
|
|
9047 {
|
|
|
9048 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9049 * don't check for ":endfunc". */
|
|
|
9050 if (STRCMP(theline, skip_until) == 0)
|
|
|
9051 {
|
|
|
9052 vim_free(skip_until);
|
|
|
9053 skip_until = NULL;
|
|
|
9054 }
|
|
|
9055 }
|
|
|
9056 else
|
|
|
9057 {
|
|
|
9058 /* skip ':' and blanks*/
|
|
|
9059 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9060 ;
|
|
|
9061
|
|
|
9062 /* Check for "endfunction" (should be more strict...). */
|
|
|
9063 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9064 {
|
|
|
9065 vim_free(theline);
|
|
|
9066 break;
|
|
|
9067 }
|
|
|
9068
|
|
|
9069 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9070 * at "end". */
|
|
|
9071 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9072 indent -= 2;
|
|
|
9073 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9074 || STRNCMP(p, "try", 3) == 0)
|
|
|
9075 indent += 2;
|
|
|
9076
|
|
|
9077 /* Check for defining a function inside this function. */
|
|
|
9078 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9079 {
|
|
|
9080 p = skipwhite(skiptowhite(p));
|
|
|
9081 p += eval_fname_script(p);
|
|
|
9082 if (ASCII_ISALPHA(*p))
|
|
|
9083 {
|
|
|
9084 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9085 if (*skipwhite(p) == '(')
|
|
|
9086 {
|
|
|
9087 ++nesting;
|
|
|
9088 indent += 2;
|
|
|
9089 }
|
|
|
9090 }
|
|
|
9091 }
|
|
|
9092
|
|
|
9093 /* Check for ":append" or ":insert". */
|
|
|
9094 p = skip_range(p, NULL);
|
|
|
9095 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9096 || (p[0] == 'i'
|
|
|
9097 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9098 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9099 skip_until = vim_strsave((char_u *)".");
|
|
|
9100
|
|
|
9101 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9102 arg = skipwhite(skiptowhite(p));
|
|
|
9103 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9104 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9105 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9106 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9107 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9108 || (p[0] == 't' && p[1] == 'c'
|
|
|
9109 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9110 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9111 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
|
9112 ))
|
|
|
9113 {
|
|
|
9114 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9115 p = skipwhite(arg + 2);
|
|
|
9116 if (*p == NUL)
|
|
|
9117 skip_until = vim_strsave((char_u *)".");
|
|
|
9118 else
|
|
|
9119 skip_until = vim_strsave(p);
|
|
|
9120 }
|
|
|
9121 }
|
|
|
9122
|
|
|
9123 /* Add the line to the function. */
|
|
|
9124 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9125 goto erret;
|
|
|
9126 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9127 newlines.ga_len++;
|
|
|
9128 newlines.ga_room--;
|
|
|
9129 }
|
|
|
9130
|
|
|
9131 /* Don't define the function when skipping commands or when an error was
|
|
|
9132 * detected. */
|
|
|
9133 if (eap->skip || did_emsg)
|
|
|
9134 goto erret;
|
|
|
9135
|
|
|
9136 /*
|
|
|
9137 * If there are no errors, add the function
|
|
|
9138 */
|
|
|
9139 fp = find_func(name);
|
|
|
9140 if (fp != NULL)
|
|
|
9141 {
|
|
|
9142 if (!eap->forceit)
|
|
|
9143 {
|
|
|
9144 EMSG2(_(e_funcexts), name);
|
|
|
9145 goto erret;
|
|
|
9146 }
|
|
|
9147 if (fp->calls)
|
|
|
9148 {
|
|
|
9149 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9150 goto erret;
|
|
|
9151 }
|
|
|
9152 /* redefine existing function */
|
|
|
9153 ga_clear_strings(&(fp->args));
|
|
|
9154 ga_clear_strings(&(fp->lines));
|
|
|
9155 vim_free(name);
|
|
|
9156 }
|
|
|
9157 else
|
|
|
9158 {
|
|
|
9159 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9160 if (fp == NULL)
|
|
|
9161 goto erret;
|
|
|
9162 /* insert the new function in the function list */
|
|
|
9163 fp->next = firstfunc;
|
|
|
9164 firstfunc = fp;
|
|
|
9165 fp->name = name;
|
|
|
9166 }
|
|
|
9167 fp->args = newargs;
|
|
|
9168 fp->lines = newlines;
|
|
|
9169 fp->varargs = varargs;
|
|
|
9170 fp->flags = flags;
|
|
|
9171 fp->calls = 0;
|
|
|
9172 fp->script_ID = current_SID;
|
|
|
9173 #ifdef FEAT_MAGIC_BRACES
|
|
|
9174 did_emsg |= saved_did_emsg;
|
|
|
9175 #endif
|
|
|
9176 vim_free(skip_until);
|
|
|
9177 return;
|
|
|
9178
|
|
|
9179 erret:
|
|
|
9180 vim_free(skip_until);
|
|
|
9181 ga_clear_strings(&newargs);
|
|
|
9182 ga_clear_strings(&newlines);
|
|
|
9183 erret_name:
|
|
|
9184 vim_free(name);
|
|
|
9185 #ifdef FEAT_MAGIC_BRACES
|
|
|
9186 did_emsg |= saved_did_emsg;
|
|
|
9187 #endif
|
|
|
9188 }
|
|
|
9189
|
|
|
9190 /*
|
|
|
9191 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9192 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9193 * Advances "pp" to just after the function name (if no error).
|
|
|
9194 */
|
|
|
9195 static char_u *
|
|
|
9196 trans_function_name(pp, skip, internal)
|
|
|
9197 char_u **pp;
|
|
|
9198 int skip; /* only find the end, don't evaluate */
|
|
|
9199 int internal; /* TRUE if internal function name OK */
|
|
|
9200 {
|
|
|
9201 char_u *name;
|
|
|
9202 char_u *start;
|
|
|
9203 char_u *end;
|
|
|
9204 int lead;
|
|
|
9205 char_u sid_buf[20];
|
|
|
9206 char_u *temp_string = NULL;
|
|
|
9207 char_u *expr_start, *expr_end;
|
|
|
9208 int len;
|
|
|
9209
|
|
|
9210 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9211 start = *pp;
|
|
|
9212 lead = eval_fname_script(start);
|
|
|
9213 if (lead > 0)
|
|
|
9214 start += lead;
|
|
|
9215 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9216 if (end == start)
|
|
|
9217 {
|
|
|
9218 if (!skip)
|
|
|
9219 EMSG(_("E129: Function name required"));
|
|
|
9220 return NULL;
|
|
|
9221 }
|
|
|
9222 #ifdef FEAT_MAGIC_BRACES
|
|
|
9223 if (expr_start != NULL && !skip)
|
|
|
9224 {
|
|
|
9225 /* expand magic curlies */
|
|
|
9226 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9227 if (temp_string == NULL)
|
|
|
9228 {
|
|
|
9229 /*
|
|
|
9230 * Report an invalid expression in braces, unless the expression
|
|
|
9231 * evaluation has been cancelled due to an aborting error, an
|
|
|
9232 * interrupt, or an exception.
|
|
|
9233 */
|
|
|
9234 if (!aborting())
|
|
|
9235 EMSG2(_(e_invarg2), start);
|
|
|
9236 else
|
|
|
9237 *pp = end;
|
|
|
9238 return NULL;
|
|
|
9239 }
|
|
|
9240 start = temp_string;
|
|
|
9241 len = (int)STRLEN(temp_string);
|
|
|
9242 }
|
|
|
9243 else
|
|
|
9244 #endif
|
|
|
9245 len = (int)(end - start);
|
|
|
9246
|
|
|
9247 /*
|
|
|
9248 * Copy the function name to allocated memory.
|
|
|
9249 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9250 * Accept <SNR>123_name() outside a script.
|
|
|
9251 */
|
|
|
9252 if (skip)
|
|
|
9253 lead = 0; /* do nothing */
|
|
|
9254 else if (lead > 0)
|
|
|
9255 {
|
|
|
9256 lead = 3;
|
|
|
9257 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9258 {
|
|
|
9259 if (current_SID <= 0)
|
|
|
9260 {
|
|
|
9261 EMSG(_(e_usingsid));
|
|
|
9262 return NULL;
|
|
|
9263 }
|
|
|
9264 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9265 lead += (int)STRLEN(sid_buf);
|
|
|
9266 }
|
|
|
9267 }
|
|
|
9268 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9269 {
|
|
|
9270 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9271 return NULL;
|
|
|
9272 }
|
|
|
9273 name = alloc((unsigned)(len + lead + 1));
|
|
|
9274 if (name != NULL)
|
|
|
9275 {
|
|
|
9276 if (lead > 0)
|
|
|
9277 {
|
|
|
9278 name[0] = K_SPECIAL;
|
|
|
9279 name[1] = KS_EXTRA;
|
|
|
9280 name[2] = (int)KE_SNR;
|
|
|
9281 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9282 STRCPY(name + 3, sid_buf);
|
|
|
9283 }
|
|
|
9284 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9285 name[len + lead] = NUL;
|
|
|
9286 }
|
|
|
9287 *pp = end;
|
|
|
9288
|
|
|
9289 vim_free(temp_string);
|
|
|
9290 return name;
|
|
|
9291 }
|
|
|
9292
|
|
|
9293 /*
|
|
|
9294 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9295 * Return 2 if "p" starts with "s:".
|
|
|
9296 * Return 0 otherwise.
|
|
|
9297 */
|
|
|
9298 static int
|
|
|
9299 eval_fname_script(p)
|
|
|
9300 char_u *p;
|
|
|
9301 {
|
|
|
9302 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9303 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9304 return 5;
|
|
|
9305 if (p[0] == 's' && p[1] == ':')
|
|
|
9306 return 2;
|
|
|
9307 return 0;
|
|
|
9308 }
|
|
|
9309
|
|
|
9310 /*
|
|
|
9311 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9312 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9313 */
|
|
|
9314 static int
|
|
|
9315 eval_fname_sid(p)
|
|
|
9316 char_u *p;
|
|
|
9317 {
|
|
|
9318 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9319 }
|
|
|
9320
|
|
|
9321 /*
|
|
|
9322 * List the head of the function: "name(arg1, arg2)".
|
|
|
9323 */
|
|
|
9324 static void
|
|
|
9325 list_func_head(fp, indent)
|
|
|
9326 ufunc_T *fp;
|
|
|
9327 int indent;
|
|
|
9328 {
|
|
|
9329 int j;
|
|
|
9330
|
|
|
9331 msg_start();
|
|
|
9332 if (indent)
|
|
|
9333 MSG_PUTS(" ");
|
|
|
9334 MSG_PUTS("function ");
|
|
|
9335 if (fp->name[0] == K_SPECIAL)
|
|
|
9336 {
|
|
|
9337 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9338 msg_puts(fp->name + 3);
|
|
|
9339 }
|
|
|
9340 else
|
|
|
9341 msg_puts(fp->name);
|
|
|
9342 msg_putchar('(');
|
|
|
9343 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
9344 {
|
|
|
9345 if (j)
|
|
|
9346 MSG_PUTS(", ");
|
|
|
9347 msg_puts(FUNCARG(fp, j));
|
|
|
9348 }
|
|
|
9349 if (fp->varargs)
|
|
|
9350 {
|
|
|
9351 if (j)
|
|
|
9352 MSG_PUTS(", ");
|
|
|
9353 MSG_PUTS("...");
|
|
|
9354 }
|
|
|
9355 msg_putchar(')');
|
|
|
9356 }
|
|
|
9357
|
|
|
9358 /*
|
|
|
9359 * Find a function by name, return pointer to it in ufuncs.
|
|
|
9360 * Return NULL for unknown function.
|
|
|
9361 */
|
|
|
9362 static ufunc_T *
|
|
|
9363 find_func(name)
|
|
|
9364 char_u *name;
|
|
|
9365 {
|
|
|
9366 ufunc_T *fp;
|
|
|
9367
|
|
|
9368 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
9369 if (STRCMP(name, fp->name) == 0)
|
|
|
9370 break;
|
|
|
9371 return fp;
|
|
|
9372 }
|
|
|
9373
|
|
|
9374 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
9375
|
|
|
9376 /*
|
|
|
9377 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
9378 * function names.
|
|
|
9379 */
|
|
|
9380 char_u *
|
|
|
9381 get_user_func_name(xp, idx)
|
|
|
9382 expand_T *xp;
|
|
|
9383 int idx;
|
|
|
9384 {
|
|
|
9385 static ufunc_T *fp = NULL;
|
|
|
9386
|
|
|
9387 if (idx == 0)
|
|
|
9388 fp = firstfunc;
|
|
|
9389 if (fp != NULL)
|
|
|
9390 {
|
|
|
9391 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
9392 return fp->name; /* prevents overflow */
|
|
|
9393
|
|
|
9394 cat_func_name(IObuff, fp);
|
|
|
9395 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
9396 {
|
|
|
9397 STRCAT(IObuff, "(");
|
|
|
9398 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
9399 STRCAT(IObuff, ")");
|
|
|
9400 }
|
|
|
9401
|
|
|
9402 fp = fp->next;
|
|
|
9403 return IObuff;
|
|
|
9404 }
|
|
|
9405 return NULL;
|
|
|
9406 }
|
|
|
9407
|
|
|
9408 #endif /* FEAT_CMDL_COMPL */
|
|
|
9409
|
|
|
9410 /*
|
|
|
9411 * Copy the function name of "fp" to buffer "buf".
|
|
|
9412 * "buf" must be able to hold the function name plus three bytes.
|
|
|
9413 * Takes care of script-local function names.
|
|
|
9414 */
|
|
|
9415 static void
|
|
|
9416 cat_func_name(buf, fp)
|
|
|
9417 char_u *buf;
|
|
|
9418 ufunc_T *fp;
|
|
|
9419 {
|
|
|
9420 if (fp->name[0] == K_SPECIAL)
|
|
|
9421 {
|
|
|
9422 STRCPY(buf, "<SNR>");
|
|
|
9423 STRCAT(buf, fp->name + 3);
|
|
|
9424 }
|
|
|
9425 else
|
|
|
9426 STRCPY(buf, fp->name);
|
|
|
9427 }
|
|
|
9428
|
|
|
9429 /*
|
|
|
9430 * ":delfunction {name}"
|
|
|
9431 */
|
|
|
9432 void
|
|
|
9433 ex_delfunction(eap)
|
|
|
9434 exarg_T *eap;
|
|
|
9435 {
|
|
|
9436 ufunc_T *fp = NULL, *pfp;
|
|
|
9437 char_u *p;
|
|
|
9438 char_u *name;
|
|
|
9439
|
|
|
9440 p = eap->arg;
|
|
|
9441 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9442 if (name == NULL)
|
|
|
9443 return;
|
|
|
9444 if (!ends_excmd(*skipwhite(p)))
|
|
|
9445 {
|
|
|
9446 vim_free(name);
|
|
|
9447 EMSG(_(e_trailing));
|
|
|
9448 return;
|
|
|
9449 }
|
|
|
9450 eap->nextcmd = check_nextcmd(p);
|
|
|
9451 if (eap->nextcmd != NULL)
|
|
|
9452 *p = NUL;
|
|
|
9453
|
|
|
9454 if (!eap->skip)
|
|
|
9455 fp = find_func(name);
|
|
|
9456 vim_free(name);
|
|
|
9457
|
|
|
9458 if (!eap->skip)
|
|
|
9459 {
|
|
|
9460 if (fp == NULL)
|
|
|
9461 {
|
|
|
9462 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
9463 return;
|
|
|
9464 }
|
|
|
9465 if (fp->calls)
|
|
|
9466 {
|
|
|
9467 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
9468 return;
|
|
|
9469 }
|
|
|
9470
|
|
|
9471 /* clear this function */
|
|
|
9472 vim_free(fp->name);
|
|
|
9473 ga_clear_strings(&(fp->args));
|
|
|
9474 ga_clear_strings(&(fp->lines));
|
|
|
9475
|
|
|
9476 /* remove the function from the function list */
|
|
|
9477 if (firstfunc == fp)
|
|
|
9478 firstfunc = fp->next;
|
|
|
9479 else
|
|
|
9480 {
|
|
|
9481 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
9482 if (pfp->next == fp)
|
|
|
9483 {
|
|
|
9484 pfp->next = fp->next;
|
|
|
9485 break;
|
|
|
9486 }
|
|
|
9487 }
|
|
|
9488 vim_free(fp);
|
|
|
9489 }
|
|
|
9490 }
|
|
|
9491
|
|
|
9492 /*
|
|
|
9493 * Call a user function.
|
|
|
9494 */
|
|
|
9495 static void
|
|
|
9496 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
9497 ufunc_T *fp; /* pointer to function */
|
|
|
9498 int argcount; /* nr of args */
|
|
|
9499 VAR argvars; /* arguments */
|
|
|
9500 VAR retvar; /* return value */
|
|
|
9501 linenr_T firstline; /* first line of range */
|
|
|
9502 linenr_T lastline; /* last line of range */
|
|
|
9503 {
|
|
|
9504 char_u *save_sourcing_name;
|
|
|
9505 linenr_T save_sourcing_lnum;
|
|
|
9506 scid_T save_current_SID;
|
|
|
9507 struct funccall fc;
|
|
|
9508 struct funccall *save_fcp = current_funccal;
|
|
|
9509 int save_did_emsg;
|
|
|
9510 static int depth = 0;
|
|
|
9511
|
|
|
9512 /* If depth of calling is getting too high, don't execute the function */
|
|
|
9513 if (depth >= p_mfd)
|
|
|
9514 {
|
|
|
9515 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
9516 retvar->var_type = VAR_NUMBER;
|
|
|
9517 retvar->var_val.var_number = -1;
|
|
|
9518 return;
|
|
|
9519 }
|
|
|
9520 ++depth;
|
|
|
9521
|
|
|
9522 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
9523
|
|
|
9524 /* set local variables */
|
|
|
9525 var_init(&fc.l_vars);
|
|
|
9526 fc.func = fp;
|
|
|
9527 fc.argcount = argcount;
|
|
|
9528 fc.argvars = argvars;
|
|
|
9529 fc.retvar = retvar;
|
|
|
9530 retvar->var_val.var_number = 0;
|
|
|
9531 fc.linenr = 0;
|
|
|
9532 fc.returned = FALSE;
|
|
|
9533 fc.level = ex_nesting_level;
|
|
|
9534 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
9535 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
9536 fc.a0_var.var_name = NULL;
|
|
|
9537 current_funccal = &fc;
|
|
|
9538 fc.firstline.var_type = VAR_NUMBER;
|
|
|
9539 fc.firstline.var_val.var_number = firstline;
|
|
|
9540 fc.firstline.var_name = NULL;
|
|
|
9541 fc.lastline.var_type = VAR_NUMBER;
|
|
|
9542 fc.lastline.var_val.var_number = lastline;
|
|
|
9543 fc.lastline.var_name = NULL;
|
|
|
9544 /* Check if this function has a breakpoint. */
|
|
|
9545 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
9546 fc.dbg_tick = debug_tick;
|
|
|
9547
|
|
|
9548 /* Don't redraw while executing the function. */
|
|
|
9549 ++RedrawingDisabled;
|
|
|
9550 save_sourcing_name = sourcing_name;
|
|
|
9551 save_sourcing_lnum = sourcing_lnum;
|
|
|
9552 sourcing_lnum = 1;
|
|
|
9553 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
9554 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
9555 if (sourcing_name != NULL)
|
|
|
9556 {
|
|
|
9557 if (save_sourcing_name != NULL
|
|
|
9558 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
9559 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
9560 else
|
|
|
9561 STRCPY(sourcing_name, "function ");
|
|
|
9562 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
9563
|
|
|
9564 if (p_verbose >= 12)
|
|
|
9565 {
|
|
|
9566 ++no_wait_return;
|
|
|
9567 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9568 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
9569 if (p_verbose >= 14)
|
|
|
9570 {
|
|
|
9571 int i;
|
|
|
9572 char_u buf[MSG_BUF_LEN];
|
|
|
9573
|
|
|
9574 msg_puts((char_u *)"(");
|
|
|
9575 for (i = 0; i < argcount; ++i)
|
|
|
9576 {
|
|
|
9577 if (i > 0)
|
|
|
9578 msg_puts((char_u *)", ");
|
|
|
9579 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
9580 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
9581 else
|
|
|
9582 {
|
|
|
9583 trunc_string(get_var_string(&argvars[i]),
|
|
|
9584 buf, MSG_BUF_LEN);
|
|
|
9585 msg_puts((char_u *)"\"");
|
|
|
9586 msg_puts(buf);
|
|
|
9587 msg_puts((char_u *)"\"");
|
|
|
9588 }
|
|
|
9589 }
|
|
|
9590 msg_puts((char_u *)")");
|
|
|
9591 }
|
|
|
9592 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9593 cmdline_row = msg_row;
|
|
|
9594 --no_wait_return;
|
|
|
9595 }
|
|
|
9596 }
|
|
|
9597 save_current_SID = current_SID;
|
|
|
9598 current_SID = fp->script_ID;
|
|
|
9599 save_did_emsg = did_emsg;
|
|
|
9600 did_emsg = FALSE;
|
|
|
9601
|
|
|
9602 /* call do_cmdline() to execute the lines */
|
|
|
9603 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
9604 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
9605
|
|
|
9606 --RedrawingDisabled;
|
|
|
9607
|
|
|
9608 /* when the function was aborted because of an error, return -1 */
|
|
|
9609 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
9610 {
|
|
|
9611 clear_var(retvar);
|
|
|
9612 retvar->var_type = VAR_NUMBER;
|
|
|
9613 retvar->var_val.var_number = -1;
|
|
|
9614 }
|
|
|
9615
|
|
|
9616 /* when being verbose, mention the return value */
|
|
|
9617 if (p_verbose >= 12)
|
|
|
9618 {
|
|
|
9619 char_u *sn, *val;
|
|
|
9620
|
|
|
9621 ++no_wait_return;
|
|
|
9622 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9623
|
|
|
9624 /* Make sure the output fits in IObuff. */
|
|
|
9625 sn = sourcing_name;
|
|
|
9626 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
9627 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
9628
|
|
|
9629 if (aborting())
|
|
|
9630 smsg((char_u *)_("%s aborted"), sn);
|
|
|
9631 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
9632 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
9633 (long)fc.retvar->var_val.var_number);
|
|
|
9634 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
9635 {
|
|
|
9636 val = get_var_string(fc.retvar);
|
|
|
9637 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
9638 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
9639 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
9640 }
|
|
|
9641 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9642 cmdline_row = msg_row;
|
|
|
9643 --no_wait_return;
|
|
|
9644 }
|
|
|
9645
|
|
|
9646 vim_free(sourcing_name);
|
|
|
9647 sourcing_name = save_sourcing_name;
|
|
|
9648 sourcing_lnum = save_sourcing_lnum;
|
|
|
9649 current_SID = save_current_SID;
|
|
|
9650
|
|
|
9651 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
9652 {
|
|
|
9653 ++no_wait_return;
|
|
|
9654 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
9655 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
9656 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
9657 cmdline_row = msg_row;
|
|
|
9658 --no_wait_return;
|
|
|
9659 }
|
|
|
9660
|
|
|
9661 did_emsg |= save_did_emsg;
|
|
|
9662 current_funccal = save_fcp;
|
|
|
9663
|
|
|
9664 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
9665 --depth;
|
|
|
9666 }
|
|
|
9667
|
|
|
9668 /*
|
|
|
9669 * ":return [expr]"
|
|
|
9670 */
|
|
|
9671 void
|
|
|
9672 ex_return(eap)
|
|
|
9673 exarg_T *eap;
|
|
|
9674 {
|
|
|
9675 char_u *arg = eap->arg;
|
|
|
9676 var retvar;
|
|
|
9677 int returning = FALSE;
|
|
|
9678
|
|
|
9679 if (current_funccal == NULL)
|
|
|
9680 {
|
|
|
9681 EMSG(_("E133: :return not inside a function"));
|
|
|
9682 return;
|
|
|
9683 }
|
|
|
9684
|
|
|
9685 if (eap->skip)
|
|
|
9686 ++emsg_skip;
|
|
|
9687
|
|
|
9688 eap->nextcmd = NULL;
|
|
|
9689 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9690 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
9691 {
|
|
|
9692 if (!eap->skip)
|
|
|
9693 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
9694 else
|
|
|
9695 clear_var(&retvar);
|
|
|
9696 }
|
|
|
9697 /* It's safer to return also on error. */
|
|
|
9698 else if (!eap->skip)
|
|
|
9699 {
|
|
|
9700 /*
|
|
|
9701 * Return unless the expression evaluation has been cancelled due to an
|
|
|
9702 * aborting error, an interrupt, or an exception.
|
|
|
9703 */
|
|
|
9704 if (!aborting())
|
|
|
9705 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
9706 }
|
|
|
9707
|
|
|
9708 /* When skipping or the return gets pending, advance to the next command
|
|
|
9709 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
9710 * Following lines will be ignored by get_func_line(). */
|
|
|
9711 if (returning)
|
|
|
9712 eap->nextcmd = NULL;
|
|
|
9713 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
9714 eap->nextcmd = check_nextcmd(arg);
|
|
|
9715
|
|
|
9716 if (eap->skip)
|
|
|
9717 --emsg_skip;
|
|
|
9718 }
|
|
|
9719
|
|
|
9720 /*
|
|
|
9721 * Return from a function. Possibly makes the return pending. Also called
|
|
|
9722 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
9723 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
9724 * when called due to a ":return" command. "value" may point to a variable
|
|
|
9725 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
9726 * FALSE when the return gets pending.
|
|
|
9727 */
|
|
|
9728 int
|
|
|
9729 do_return(eap, reanimate, is_cmd, value)
|
|
|
9730 exarg_T *eap;
|
|
|
9731 int reanimate;
|
|
|
9732 int is_cmd;
|
|
|
9733 void *value;
|
|
|
9734 {
|
|
|
9735 int idx;
|
|
|
9736 struct condstack *cstack = eap->cstack;
|
|
|
9737
|
|
|
9738 if (reanimate)
|
|
|
9739 /* Undo the return. */
|
|
|
9740 current_funccal->returned = FALSE;
|
|
|
9741
|
|
|
9742 /*
|
|
|
9743 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
9744 * not in its finally clause (which then is to be executed next) is found.
|
|
|
9745 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
9746 * Otherwise, return normally.
|
|
|
9747 */
|
|
|
9748 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
9749 if (idx >= 0)
|
|
|
9750 {
|
|
|
9751 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
9752
|
|
|
9753 if (!is_cmd && !reanimate)
|
|
|
9754 /* A pending return again gets pending. "value" points to an
|
|
|
9755 * allocated variable with the value of the original ":return"'s
|
|
|
9756 * argument if present or is NULL else. */
|
|
|
9757 cstack->cs_retvar[idx] = value;
|
|
|
9758 else
|
|
|
9759 {
|
|
|
9760 /* When undoing a return in order to make it pending, get the stored
|
|
|
9761 * return value. */
|
|
|
9762 if (reanimate)
|
|
|
9763 value = current_funccal->retvar;
|
|
|
9764
|
|
|
9765 if (value != NULL)
|
|
|
9766 {
|
|
|
9767 /* Store the value of the pending return. */
|
|
|
9768 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
9769 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
9770 else
|
|
|
9771 EMSG(_(e_outofmem));
|
|
|
9772 }
|
|
|
9773 else
|
|
|
9774 cstack->cs_retvar[idx] = NULL;
|
|
|
9775
|
|
|
9776 if (reanimate)
|
|
|
9777 {
|
|
|
9778 /* The pending return value could be overwritten by a ":return"
|
|
|
9779 * without argument in a finally clause; reset the default
|
|
|
9780 * return value. */
|
|
|
9781 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
9782 current_funccal->retvar->var_val.var_number = 0;
|
|
|
9783 }
|
|
|
9784 }
|
|
|
9785 report_make_pending(CSTP_RETURN, value);
|
|
|
9786 }
|
|
|
9787 else
|
|
|
9788 {
|
|
|
9789 current_funccal->returned = TRUE;
|
|
|
9790
|
|
|
9791 /* If the return is carried out now, store the return value. For
|
|
|
9792 * a return immediately after reanimation, the value is already
|
|
|
9793 * there. */
|
|
|
9794 if (!reanimate && value != NULL)
|
|
|
9795 {
|
|
|
9796 clear_var(current_funccal->retvar);
|
|
|
9797 *current_funccal->retvar = *(VAR)value;
|
|
|
9798 if (!is_cmd)
|
|
|
9799 vim_free(value);
|
|
|
9800 }
|
|
|
9801 }
|
|
|
9802
|
|
|
9803 return idx < 0;
|
|
|
9804 }
|
|
|
9805
|
|
|
9806 /*
|
|
|
9807 * Free the variable with a pending return value.
|
|
|
9808 */
|
|
|
9809 void
|
|
|
9810 discard_pending_return(retvar)
|
|
|
9811 void *retvar;
|
|
|
9812 {
|
|
|
9813 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
9814 * use free_var() to clear and free it. */
|
|
|
9815 clear_var((VAR)retvar);
|
|
|
9816 vim_free(retvar);
|
|
|
9817 }
|
|
|
9818
|
|
|
9819 /*
|
|
|
9820 * Generate a return command for producing the value of "retvar". The result
|
|
|
9821 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
9822 */
|
|
|
9823 char_u *
|
|
|
9824 get_return_cmd(retvar)
|
|
|
9825 void *retvar;
|
|
|
9826 {
|
|
|
9827 char_u *s = IObuff;
|
|
|
9828
|
|
|
9829 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
9830 s = (char_u *)":return";
|
|
|
9831 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
9832 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
9833 ((VAR)retvar)->var_val.var_string);
|
|
|
9834 else
|
|
|
9835 sprintf((char *)IObuff, ":return %ld",
|
|
|
9836 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
9837 return vim_strsave(s);
|
|
|
9838 }
|
|
|
9839
|
|
|
9840 /*
|
|
|
9841 * Get next function line.
|
|
|
9842 * Called by do_cmdline() to get the next line.
|
|
|
9843 * Returns allocated string, or NULL for end of function.
|
|
|
9844 */
|
|
|
9845 /* ARGSUSED */
|
|
|
9846 char_u *
|
|
|
9847 get_func_line(c, cookie, indent)
|
|
|
9848 int c; /* not used */
|
|
|
9849 void *cookie;
|
|
|
9850 int indent; /* not used */
|
|
|
9851 {
|
|
|
9852 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9853 char_u *retval;
|
|
|
9854 garray_T *gap; /* growarray with function lines */
|
|
|
9855
|
|
|
9856 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
9857 if (fcp->dbg_tick != debug_tick)
|
|
|
9858 {
|
|
|
9859 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9860 sourcing_lnum);
|
|
|
9861 fcp->dbg_tick = debug_tick;
|
|
|
9862 }
|
|
|
9863
|
|
|
9864 gap = &fcp->func->lines;
|
|
|
9865 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9866 retval = NULL;
|
|
|
9867 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
9868 retval = NULL;
|
|
|
9869 else
|
|
|
9870 {
|
|
|
9871 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
9872 sourcing_lnum = fcp->linenr;
|
|
|
9873 }
|
|
|
9874
|
|
|
9875 /* Did we encounter a breakpoint? */
|
|
|
9876 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
9877 {
|
|
|
9878 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
9879 /* Find next breakpoint. */
|
|
|
9880 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
9881 sourcing_lnum);
|
|
|
9882 fcp->dbg_tick = debug_tick;
|
|
|
9883 }
|
|
|
9884
|
|
|
9885 return retval;
|
|
|
9886 }
|
|
|
9887
|
|
|
9888 /*
|
|
|
9889 * Return TRUE if the currently active function should be ended, because a
|
|
|
9890 * return was encountered or an error occured. Used inside a ":while".
|
|
|
9891 */
|
|
|
9892 int
|
|
|
9893 func_has_ended(cookie)
|
|
|
9894 void *cookie;
|
|
|
9895 {
|
|
|
9896 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
9897
|
|
|
9898 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
9899 * an error inside a try conditional. */
|
|
|
9900 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
9901 || fcp->returned);
|
|
|
9902 }
|
|
|
9903
|
|
|
9904 /*
|
|
|
9905 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
9906 */
|
|
|
9907 int
|
|
|
9908 func_has_abort(cookie)
|
|
|
9909 void *cookie;
|
|
|
9910 {
|
|
|
9911 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
9912 }
|
|
|
9913
|
|
|
9914 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
9915 typedef enum
|
|
|
9916 {
|
|
|
9917 VAR_FLAVOUR_DEFAULT,
|
|
|
9918 VAR_FLAVOUR_SESSION,
|
|
|
9919 VAR_FLAVOUR_VIMINFO
|
|
|
9920 } var_flavour_T;
|
|
|
9921
|
|
|
9922 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
9923
|
|
|
9924 static var_flavour_T
|
|
|
9925 var_flavour(varname)
|
|
|
9926 char_u *varname;
|
|
|
9927 {
|
|
|
9928 char_u *p = varname;
|
|
|
9929
|
|
|
9930 if (ASCII_ISUPPER(*p))
|
|
|
9931 {
|
|
|
9932 while (*(++p))
|
|
|
9933 if (ASCII_ISLOWER(*p))
|
|
|
9934 return VAR_FLAVOUR_SESSION;
|
|
|
9935 return VAR_FLAVOUR_VIMINFO;
|
|
|
9936 }
|
|
|
9937 else
|
|
|
9938 return VAR_FLAVOUR_DEFAULT;
|
|
|
9939 }
|
|
|
9940 #endif
|
|
|
9941
|
|
|
9942 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
9943 /*
|
|
|
9944 * Restore global vars that start with a capital from the viminfo file
|
|
|
9945 */
|
|
|
9946 int
|
|
|
9947 read_viminfo_varlist(virp, writing)
|
|
|
9948 vir_T *virp;
|
|
|
9949 int writing;
|
|
|
9950 {
|
|
|
9951 char_u *tab;
|
|
|
9952 int is_string = FALSE;
|
|
|
9953 VAR varp = NULL;
|
|
|
9954 char_u *val;
|
|
|
9955
|
|
|
9956 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
9957 {
|
|
|
9958 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
9959 if (tab != NULL)
|
|
|
9960 {
|
|
|
9961 *tab++ = '\0'; /* isolate the variable name */
|
|
|
9962 if (*tab == 'S') /* string var */
|
|
|
9963 is_string = TRUE;
|
|
|
9964
|
|
|
9965 tab = vim_strchr(tab, '\t');
|
|
|
9966 if (tab != NULL)
|
|
|
9967 {
|
|
|
9968 /* create a nameless variable to hold the value */
|
|
|
9969 if (is_string)
|
|
|
9970 {
|
|
|
9971 val = viminfo_readstring(virp,
|
|
|
9972 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
9973 if (val != NULL)
|
|
|
9974 varp = alloc_string_var(val);
|
|
|
9975 }
|
|
|
9976 else
|
|
|
9977 {
|
|
|
9978 varp = alloc_var();
|
|
|
9979 if (varp != NULL)
|
|
|
9980 {
|
|
|
9981 varp->var_type = VAR_NUMBER;
|
|
|
9982 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
9983 }
|
|
|
9984 }
|
|
|
9985 /* assign the value to the variable */
|
|
|
9986 if (varp != NULL)
|
|
|
9987 {
|
|
|
9988 set_var(virp->vir_line + 1, varp);
|
|
|
9989 free_var(varp);
|
|
|
9990 }
|
|
|
9991 }
|
|
|
9992 }
|
|
|
9993 }
|
|
|
9994
|
|
|
9995 return viminfo_readline(virp);
|
|
|
9996 }
|
|
|
9997
|
|
|
9998 /*
|
|
|
9999 * Write global vars that start with a capital to the viminfo file
|
|
|
10000 */
|
|
|
10001 void
|
|
|
10002 write_viminfo_varlist(fp)
|
|
|
10003 FILE *fp;
|
|
|
10004 {
|
|
|
10005 garray_T *gap = &variables; /* global variable */
|
|
|
10006 VAR this_var;
|
|
|
10007 int i;
|
|
|
10008
|
|
|
10009 if (find_viminfo_parameter('!') == NULL)
|
|
|
10010 return;
|
|
|
10011
|
|
|
10012 fprintf(fp, _("\n# global variables:\n"));
|
|
|
10013 for (i = gap->ga_len; --i >= 0; )
|
|
|
10014 {
|
|
|
10015 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10016 if (this_var->var_name != NULL
|
|
|
10017 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
10018 {
|
|
|
10019 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
10020 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
10021 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
10022 }
|
|
|
10023 }
|
|
|
10024 }
|
|
|
10025 #endif
|
|
|
10026
|
|
|
10027 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
10028 int
|
|
|
10029 store_session_globals(fd)
|
|
|
10030 FILE *fd;
|
|
|
10031 {
|
|
|
10032 garray_T *gap = &variables; /* global variable */
|
|
|
10033 VAR this_var;
|
|
|
10034 int i;
|
|
|
10035 char_u *p, *t;
|
|
|
10036
|
|
|
10037 for (i = gap->ga_len; --i >= 0; )
|
|
|
10038 {
|
|
|
10039 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10040 if (this_var->var_name != NULL)
|
|
|
10041 {
|
|
|
10042 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10043 {
|
|
|
10044 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10045 * CR into \n and \r. */
|
|
|
10046 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10047 (char_u *)"\\\"\n\r");
|
|
|
10048 if (p == NULL) /* out of memory */
|
|
|
10049 continue;
|
|
|
10050 for (t = p; *t != NUL; ++t)
|
|
|
10051 if (*t == '\n')
|
|
|
10052 *t = 'n';
|
|
|
10053 else if (*t == '\r')
|
|
|
10054 *t = 'r';
|
|
|
10055 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10056 this_var->var_name,
|
|
|
10057 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10058 p,
|
|
|
10059 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10060 || put_eol(fd) == FAIL)
|
|
|
10061 {
|
|
|
10062 vim_free(p);
|
|
|
10063 return FAIL;
|
|
|
10064 }
|
|
|
10065 vim_free(p);
|
|
|
10066 }
|
|
|
10067
|
|
|
10068 }
|
|
|
10069 }
|
|
|
10070 return OK;
|
|
|
10071 }
|
|
|
10072 #endif
|
|
|
10073
|
|
|
10074 #endif /* FEAT_EVAL */
|
|
|
10075
|
|
|
10076 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10077
|
|
|
10078
|
|
|
10079 #ifdef WIN3264
|
|
|
10080 /*
|
|
|
10081 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10082 */
|
|
|
10083 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10084 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10085 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10086
|
|
|
10087 /*
|
|
|
10088 * Get the short pathname of a file.
|
|
|
10089 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10090 */
|
|
|
10091 static int
|
|
|
10092 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10093 char_u **fnamep;
|
|
|
10094 char_u **bufp;
|
|
|
10095 int *fnamelen;
|
|
|
10096 {
|
|
|
10097 int l,len;
|
|
|
10098 char_u *newbuf;
|
|
|
10099
|
|
|
10100 len = *fnamelen;
|
|
|
10101
|
|
|
10102 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10103 if (l > len - 1)
|
|
|
10104 {
|
|
|
10105 /* If that doesn't work (not enough space), then save the string
|
|
|
10106 * and try again with a new buffer big enough
|
|
|
10107 */
|
|
|
10108 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10109 if (newbuf == NULL)
|
|
|
10110 return 0;
|
|
|
10111
|
|
|
10112 vim_free(*bufp);
|
|
|
10113 *fnamep = *bufp = newbuf;
|
|
|
10114
|
|
|
10115 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10116
|
|
|
10117 /* Really should always succeed, as the buffer is big enough */
|
|
|
10118 }
|
|
|
10119
|
|
|
10120 *fnamelen = l;
|
|
|
10121 return 1;
|
|
|
10122 }
|
|
|
10123
|
|
|
10124 /*
|
|
|
10125 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10126 * Doesn't copy over the end of the buffer passed in.
|
|
|
10127 */
|
|
|
10128 static int
|
|
|
10129 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10130 char_u **fname;
|
|
|
10131 char_u **bufp;
|
|
|
10132 int *fnamelen;
|
|
|
10133 {
|
|
|
10134 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10135 char_u ch;
|
|
|
10136 int l,len,len2,plen,slen;
|
|
|
10137
|
|
|
10138 /* Make a copy */
|
|
|
10139 len2 = *fnamelen;
|
|
|
10140 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10141 pbuf3 = NULL;
|
|
|
10142
|
|
|
10143 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10144 slen = 1;
|
|
|
10145 plen = len2;
|
|
|
10146
|
|
|
10147 l = 0;
|
|
|
10148 if (vim_ispathsep(*s))
|
|
|
10149 {
|
|
|
10150 --s;
|
|
|
10151 ++slen;
|
|
|
10152 --plen;
|
|
|
10153 }
|
|
|
10154
|
|
|
10155 do
|
|
|
10156 {
|
|
|
10157 /* Go back one path-seperator */
|
|
|
10158 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10159 {
|
|
|
10160 --s;
|
|
|
10161 ++slen;
|
|
|
10162 --plen;
|
|
|
10163 }
|
|
|
10164 if (s <= pbuf2)
|
|
|
10165 break;
|
|
|
10166
|
|
|
10167 /* Remeber the character that is about to be blatted */
|
|
|
10168 ch = *s;
|
|
|
10169 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10170
|
|
|
10171 /* Try it in situ */
|
|
|
10172 p = pbuf2;
|
|
|
10173 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10174 {
|
|
|
10175 vim_free(pbuf2);
|
|
|
10176 return -1;
|
|
|
10177 }
|
|
|
10178 *s = ch; /* Preserve the string */
|
|
|
10179 } while (plen == 0);
|
|
|
10180
|
|
|
10181 if (plen > 0)
|
|
|
10182 {
|
|
|
10183 /* Remeber the length of the new string. */
|
|
|
10184 *fnamelen = len = plen + slen;
|
|
|
10185 vim_free(*bufp);
|
|
|
10186 if (len > len2)
|
|
|
10187 {
|
|
|
10188 /* If there's not enough space in the currently allocated string,
|
|
|
10189 * then copy it to a buffer big enough.
|
|
|
10190 */
|
|
|
10191 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10192 if (*fname == NULL)
|
|
|
10193 return -1;
|
|
|
10194 }
|
|
|
10195 else
|
|
|
10196 {
|
|
|
10197 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10198 *fname = *bufp = pbuf2;
|
|
|
10199 if (p != pbuf2)
|
|
|
10200 strncpy(*fname, p, plen);
|
|
|
10201 pbuf2 = NULL;
|
|
|
10202 }
|
|
|
10203 /* Concat the next bit */
|
|
|
10204 strncpy(*fname + plen, s, slen);
|
|
|
10205 (*fname)[len] = '\0';
|
|
|
10206 }
|
|
|
10207 vim_free(pbuf3);
|
|
|
10208 vim_free(pbuf2);
|
|
|
10209 return 0;
|
|
|
10210 }
|
|
|
10211
|
|
|
10212 /*
|
|
|
10213 * Get a pathname for a partial path.
|
|
|
10214 */
|
|
|
10215 static int
|
|
|
10216 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10217 char_u **fnamep;
|
|
|
10218 char_u **bufp;
|
|
|
10219 int *fnamelen;
|
|
|
10220 {
|
|
|
10221 int sepcount, len, tflen;
|
|
|
10222 char_u *p;
|
|
|
10223 char_u *pbuf, *tfname;
|
|
|
10224 int hasTilde;
|
|
|
10225
|
|
|
10226 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10227 * of the path to return.
|
|
|
10228 */
|
|
|
10229 sepcount = 0;
|
|
|
10230 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10231 if (vim_ispathsep(*p))
|
|
|
10232 ++sepcount;
|
|
|
10233
|
|
|
10234 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10235 hasTilde = (**fnamep == '~');
|
|
|
10236 if (hasTilde)
|
|
|
10237 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10238 else
|
|
|
10239 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10240
|
|
|
10241 len = tflen = STRLEN(tfname);
|
|
|
10242
|
|
|
10243 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10244 return -1;
|
|
|
10245
|
|
|
10246 if (len == 0)
|
|
|
10247 {
|
|
|
10248 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10249 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10250 * there's not a lot of point in guessing what it might be.
|
|
|
10251 */
|
|
|
10252 len = tflen;
|
|
|
10253 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10254 return -1;
|
|
|
10255 }
|
|
|
10256
|
|
|
10257 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10258 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10259 if (vim_ispathsep(*p))
|
|
|
10260 {
|
|
|
10261 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10262 break;
|
|
|
10263 else
|
|
|
10264 sepcount --;
|
|
|
10265 }
|
|
|
10266 if (hasTilde)
|
|
|
10267 {
|
|
|
10268 --p;
|
|
|
10269 if (p >= tfname)
|
|
|
10270 *p = '~';
|
|
|
10271 else
|
|
|
10272 return -1;
|
|
|
10273 }
|
|
|
10274 else
|
|
|
10275 ++p;
|
|
|
10276
|
|
|
10277 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10278 vim_free(*bufp);
|
|
|
10279 *fnamelen = (int)STRLEN(p);
|
|
|
10280 *bufp = pbuf;
|
|
|
10281 *fnamep = p;
|
|
|
10282
|
|
|
10283 return 0;
|
|
|
10284 }
|
|
|
10285 #endif /* WIN3264 */
|
|
|
10286
|
|
|
10287 /*
|
|
|
10288 * Adjust a filename, according to a string of modifiers.
|
|
|
10289 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10290 * determined by *fnamelen.
|
|
|
10291 * Returns valid flags.
|
|
|
10292 * When there is an error, *fnamep is set to NULL.
|
|
|
10293 */
|
|
|
10294 int
|
|
|
10295 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10296 char_u *src; /* string with modifiers */
|
|
|
10297 int *usedlen; /* characters after src that are used */
|
|
|
10298 char_u **fnamep; /* file name so far */
|
|
|
10299 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10300 int *fnamelen; /* length of fnamep */
|
|
|
10301 {
|
|
|
10302 int valid = 0;
|
|
|
10303 char_u *tail;
|
|
|
10304 char_u *s, *p, *pbuf;
|
|
|
10305 char_u dirname[MAXPATHL];
|
|
|
10306 int c;
|
|
|
10307 int has_fullname = 0;
|
|
|
10308 #ifdef WIN3264
|
|
|
10309 int has_shortname = 0;
|
|
|
10310 #endif
|
|
|
10311
|
|
|
10312 repeat:
|
|
|
10313 /* ":p" - full path/file_name */
|
|
|
10314 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10315 {
|
|
|
10316 has_fullname = 1;
|
|
|
10317
|
|
|
10318 valid |= VALID_PATH;
|
|
|
10319 *usedlen += 2;
|
|
|
10320
|
|
|
10321 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10322 if ((*fnamep)[0] == '~'
|
|
|
10323 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10324 && ((*fnamep)[1] == '/'
|
|
|
10325 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10326 || (*fnamep)[1] == '\\'
|
|
|
10327 # endif
|
|
|
10328 || (*fnamep)[1] == NUL)
|
|
|
10329
|
|
|
10330 #endif
|
|
|
10331 )
|
|
|
10332 {
|
|
|
10333 *fnamep = expand_env_save(*fnamep);
|
|
|
10334 vim_free(*bufp); /* free any allocated file name */
|
|
|
10335 *bufp = *fnamep;
|
|
|
10336 if (*fnamep == NULL)
|
|
|
10337 return -1;
|
|
|
10338 }
|
|
|
10339
|
|
|
10340 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
10341 for (p = *fnamep; *p != NUL; ++p)
|
|
|
10342 {
|
|
|
10343 if (vim_ispathsep(*p)
|
|
|
10344 && p[1] == '.'
|
|
|
10345 && (p[2] == NUL
|
|
|
10346 || vim_ispathsep(p[2])
|
|
|
10347 || (p[2] == '.'
|
|
|
10348 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
10349 break;
|
|
|
10350 }
|
|
|
10351
|
|
|
10352 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
10353 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
10354 {
|
|
|
10355 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
10356 vim_free(*bufp); /* free any allocated file name */
|
|
|
10357 *bufp = *fnamep;
|
|
|
10358 if (*fnamep == NULL)
|
|
|
10359 return -1;
|
|
|
10360 }
|
|
|
10361
|
|
|
10362 /* Append a path separator to a directory. */
|
|
|
10363 if (mch_isdir(*fnamep))
|
|
|
10364 {
|
|
|
10365 /* Make room for one or two extra characters. */
|
|
|
10366 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
10367 vim_free(*bufp); /* free any allocated file name */
|
|
|
10368 *bufp = *fnamep;
|
|
|
10369 if (*fnamep == NULL)
|
|
|
10370 return -1;
|
|
|
10371 add_pathsep(*fnamep);
|
|
|
10372 }
|
|
|
10373 }
|
|
|
10374
|
|
|
10375 /* ":." - path relative to the current directory */
|
|
|
10376 /* ":~" - path relative to the home directory */
|
|
|
10377 /* ":8" - shortname path - postponed till after */
|
|
|
10378 while (src[*usedlen] == ':'
|
|
|
10379 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
10380 {
|
|
|
10381 *usedlen += 2;
|
|
|
10382 if (c == '8')
|
|
|
10383 {
|
|
|
10384 #ifdef WIN3264
|
|
|
10385 has_shortname = 1; /* Postpone this. */
|
|
|
10386 #endif
|
|
|
10387 continue;
|
|
|
10388 }
|
|
|
10389 pbuf = NULL;
|
|
|
10390 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10391 if (!has_fullname)
|
|
|
10392 {
|
|
|
10393 if (c == '.' && **fnamep == '~')
|
|
|
10394 p = pbuf = expand_env_save(*fnamep);
|
|
|
10395 else
|
|
|
10396 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
10397 }
|
|
|
10398 else
|
|
|
10399 p = *fnamep;
|
|
|
10400
|
|
|
10401 has_fullname = 0;
|
|
|
10402
|
|
|
10403 if (p != NULL)
|
|
|
10404 {
|
|
|
10405 if (c == '.')
|
|
|
10406 {
|
|
|
10407 mch_dirname(dirname, MAXPATHL);
|
|
|
10408 s = shorten_fname(p, dirname);
|
|
|
10409 if (s != NULL)
|
|
|
10410 {
|
|
|
10411 *fnamep = s;
|
|
|
10412 if (pbuf != NULL)
|
|
|
10413 {
|
|
|
10414 vim_free(*bufp); /* free any allocated file name */
|
|
|
10415 *bufp = pbuf;
|
|
|
10416 pbuf = NULL;
|
|
|
10417 }
|
|
|
10418 }
|
|
|
10419 }
|
|
|
10420 else
|
|
|
10421 {
|
|
|
10422 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
10423 /* Only replace it when it starts with '~' */
|
|
|
10424 if (*dirname == '~')
|
|
|
10425 {
|
|
|
10426 s = vim_strsave(dirname);
|
|
|
10427 if (s != NULL)
|
|
|
10428 {
|
|
|
10429 *fnamep = s;
|
|
|
10430 vim_free(*bufp);
|
|
|
10431 *bufp = s;
|
|
|
10432 }
|
|
|
10433 }
|
|
|
10434 }
|
|
|
10435 vim_free(pbuf);
|
|
|
10436 }
|
|
|
10437 }
|
|
|
10438
|
|
|
10439 tail = gettail(*fnamep);
|
|
|
10440 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
10441
|
|
|
10442 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
10443 /* Don't remove the first "/" or "c:\" */
|
|
|
10444 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
10445 {
|
|
|
10446 valid |= VALID_HEAD;
|
|
|
10447 *usedlen += 2;
|
|
|
10448 s = get_past_head(*fnamep);
|
|
|
10449 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
10450 --tail;
|
|
|
10451 *fnamelen = (int)(tail - *fnamep);
|
|
|
10452 #ifdef VMS
|
|
|
10453 if (*fnamelen > 0)
|
|
|
10454 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
10455 #endif
|
|
|
10456 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
10457 --tail;
|
|
|
10458 }
|
|
|
10459
|
|
|
10460 /* ":8" - shortname */
|
|
|
10461 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
10462 {
|
|
|
10463 *usedlen += 2;
|
|
|
10464 #ifdef WIN3264
|
|
|
10465 has_shortname = 1;
|
|
|
10466 #endif
|
|
|
10467 }
|
|
|
10468
|
|
|
10469 #ifdef WIN3264
|
|
|
10470 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
10471 */
|
|
|
10472 if (has_shortname)
|
|
|
10473 {
|
|
|
10474 pbuf = NULL;
|
|
|
10475 /* Copy the string if it is shortened by :h */
|
|
|
10476 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
10477 {
|
|
|
10478 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10479 if (p == 0)
|
|
|
10480 return -1;
|
|
|
10481 vim_free(*bufp);
|
|
|
10482 *bufp = *fnamep = p;
|
|
|
10483 }
|
|
|
10484
|
|
|
10485 /* Split into two implementations - makes it easier. First is where
|
|
|
10486 * there isn't a full name already, second is where there is.
|
|
|
10487 */
|
|
|
10488 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
10489 {
|
|
|
10490 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
10491 return -1;
|
|
|
10492 }
|
|
|
10493 else
|
|
|
10494 {
|
|
|
10495 int l;
|
|
|
10496
|
|
|
10497 /* Simple case, already have the full-name
|
|
|
10498 * Nearly always shorter, so try first time. */
|
|
|
10499 l = *fnamelen;
|
|
|
10500 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
10501 return -1;
|
|
|
10502
|
|
|
10503 if (l == 0)
|
|
|
10504 {
|
|
|
10505 /* Couldn't find the filename.. search the paths.
|
|
|
10506 */
|
|
|
10507 l = *fnamelen;
|
|
|
10508 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
10509 return -1;
|
|
|
10510 }
|
|
|
10511 *fnamelen = l;
|
|
|
10512 }
|
|
|
10513 }
|
|
|
10514 #endif /* WIN3264 */
|
|
|
10515
|
|
|
10516 /* ":t" - tail, just the basename */
|
|
|
10517 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
10518 {
|
|
|
10519 *usedlen += 2;
|
|
|
10520 *fnamelen -= (int)(tail - *fnamep);
|
|
|
10521 *fnamep = tail;
|
|
|
10522 }
|
|
|
10523
|
|
|
10524 /* ":e" - extension, can be repeated */
|
|
|
10525 /* ":r" - root, without extension, can be repeated */
|
|
|
10526 while (src[*usedlen] == ':'
|
|
|
10527 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
10528 {
|
|
|
10529 /* find a '.' in the tail:
|
|
|
10530 * - for second :e: before the current fname
|
|
|
10531 * - otherwise: The last '.'
|
|
|
10532 */
|
|
|
10533 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
10534 s = *fnamep - 2;
|
|
|
10535 else
|
|
|
10536 s = *fnamep + *fnamelen - 1;
|
|
|
10537 for ( ; s > tail; --s)
|
|
|
10538 if (s[0] == '.')
|
|
|
10539 break;
|
|
|
10540 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
10541 {
|
|
|
10542 if (s > tail)
|
|
|
10543 {
|
|
|
10544 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
10545 *fnamep = s + 1;
|
|
|
10546 #ifdef VMS
|
|
|
10547 /* cut version from the extension */
|
|
|
10548 s = *fnamep + *fnamelen - 1;
|
|
|
10549 for ( ; s > *fnamep; --s)
|
|
|
10550 if (s[0] == ';')
|
|
|
10551 break;
|
|
|
10552 if (s > *fnamep)
|
|
|
10553 *fnamelen = s - *fnamep;
|
|
|
10554 #endif
|
|
|
10555 }
|
|
|
10556 else if (*fnamep <= tail)
|
|
|
10557 *fnamelen = 0;
|
|
|
10558 }
|
|
|
10559 else /* :r */
|
|
|
10560 {
|
|
|
10561 if (s > tail) /* remove one extension */
|
|
|
10562 *fnamelen = (int)(s - *fnamep);
|
|
|
10563 }
|
|
|
10564 *usedlen += 2;
|
|
|
10565 }
|
|
|
10566
|
|
|
10567 /* ":s?pat?foo?" - substitute */
|
|
|
10568 /* ":gs?pat?foo?" - global substitute */
|
|
|
10569 if (src[*usedlen] == ':'
|
|
|
10570 && (src[*usedlen + 1] == 's'
|
|
|
10571 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
10572 {
|
|
|
10573 char_u *str;
|
|
|
10574 char_u *pat;
|
|
|
10575 char_u *sub;
|
|
|
10576 int sep;
|
|
|
10577 char_u *flags;
|
|
|
10578 int didit = FALSE;
|
|
|
10579
|
|
|
10580 flags = (char_u *)"";
|
|
|
10581 s = src + *usedlen + 2;
|
|
|
10582 if (src[*usedlen + 1] == 'g')
|
|
|
10583 {
|
|
|
10584 flags = (char_u *)"g";
|
|
|
10585 ++s;
|
|
|
10586 }
|
|
|
10587
|
|
|
10588 sep = *s++;
|
|
|
10589 if (sep)
|
|
|
10590 {
|
|
|
10591 /* find end of pattern */
|
|
|
10592 p = vim_strchr(s, sep);
|
|
|
10593 if (p != NULL)
|
|
|
10594 {
|
|
|
10595 pat = vim_strnsave(s, (int)(p - s));
|
|
|
10596 if (pat != NULL)
|
|
|
10597 {
|
|
|
10598 s = p + 1;
|
|
|
10599 /* find end of substitution */
|
|
|
10600 p = vim_strchr(s, sep);
|
|
|
10601 if (p != NULL)
|
|
|
10602 {
|
|
|
10603 sub = vim_strnsave(s, (int)(p - s));
|
|
|
10604 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10605 if (sub != NULL && str != NULL)
|
|
|
10606 {
|
|
|
10607 *usedlen = (int)(p + 1 - src);
|
|
|
10608 s = do_string_sub(str, pat, sub, flags);
|
|
|
10609 if (s != NULL)
|
|
|
10610 {
|
|
|
10611 *fnamep = s;
|
|
|
10612 *fnamelen = (int)STRLEN(s);
|
|
|
10613 vim_free(*bufp);
|
|
|
10614 *bufp = s;
|
|
|
10615 didit = TRUE;
|
|
|
10616 }
|
|
|
10617 }
|
|
|
10618 vim_free(sub);
|
|
|
10619 vim_free(str);
|
|
|
10620 }
|
|
|
10621 vim_free(pat);
|
|
|
10622 }
|
|
|
10623 }
|
|
|
10624 /* after using ":s", repeat all the modifiers */
|
|
|
10625 if (didit)
|
|
|
10626 goto repeat;
|
|
|
10627 }
|
|
|
10628 }
|
|
|
10629
|
|
|
10630 return valid;
|
|
|
10631 }
|
|
|
10632
|
|
|
10633 /*
|
|
|
10634 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
10635 * "flags" can be "g" to do a global substitute.
|
|
|
10636 * Returns an allocated string, NULL for error.
|
|
|
10637 */
|
|
|
10638 char_u *
|
|
|
10639 do_string_sub(str, pat, sub, flags)
|
|
|
10640 char_u *str;
|
|
|
10641 char_u *pat;
|
|
|
10642 char_u *sub;
|
|
|
10643 char_u *flags;
|
|
|
10644 {
|
|
|
10645 int sublen;
|
|
|
10646 regmatch_T regmatch;
|
|
|
10647 int i;
|
|
|
10648 int do_all;
|
|
|
10649 char_u *tail;
|
|
|
10650 garray_T ga;
|
|
|
10651 char_u *ret;
|
|
|
10652 char_u *save_cpo;
|
|
|
10653
|
|
|
10654 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
10655 save_cpo = p_cpo;
|
|
|
10656 p_cpo = (char_u *)"";
|
|
|
10657
|
|
|
10658 ga_init2(&ga, 1, 200);
|
|
|
10659
|
|
|
10660 do_all = (flags[0] == 'g');
|
|
|
10661
|
|
|
10662 regmatch.rm_ic = p_ic;
|
|
|
10663 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
10664 if (regmatch.regprog != NULL)
|
|
|
10665 {
|
|
|
10666 tail = str;
|
|
|
10667 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
10668 {
|
|
|
10669 /*
|
|
|
10670 * Get some space for a temporary buffer to do the substitution
|
|
|
10671 * into. It will contain:
|
|
|
10672 * - The text up to where the match is.
|
|
|
10673 * - The substituted text.
|
|
|
10674 * - The text after the match.
|
|
|
10675 */
|
|
|
10676 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
10677 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
10678 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
10679 {
|
|
|
10680 ga_clear(&ga);
|
|
|
10681 break;
|
|
|
10682 }
|
|
|
10683
|
|
|
10684 /* copy the text up to where the match is */
|
|
|
10685 i = (int)(regmatch.startp[0] - tail);
|
|
|
10686 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
10687 /* add the substituted text */
|
|
|
10688 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
10689 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
10690 ga.ga_len += i + sublen - 1;
|
|
|
10691 ga.ga_room -= i + sublen - 1;
|
|
|
10692 /* avoid getting stuck on a match with an empty string */
|
|
|
10693 if (tail == regmatch.endp[0])
|
|
|
10694 {
|
|
|
10695 if (*tail == NUL)
|
|
|
10696 break;
|
|
|
10697 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
10698 ++ga.ga_len;
|
|
|
10699 --ga.ga_room;
|
|
|
10700 }
|
|
|
10701 else
|
|
|
10702 {
|
|
|
10703 tail = regmatch.endp[0];
|
|
|
10704 if (*tail == NUL)
|
|
|
10705 break;
|
|
|
10706 }
|
|
|
10707 if (!do_all)
|
|
|
10708 break;
|
|
|
10709 }
|
|
|
10710
|
|
|
10711 if (ga.ga_data != NULL)
|
|
|
10712 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
10713
|
|
|
10714 vim_free(regmatch.regprog);
|
|
|
10715 }
|
|
|
10716
|
|
|
10717 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
10718 ga_clear(&ga);
|
|
|
10719 p_cpo = save_cpo;
|
|
|
10720
|
|
|
10721 return ret;
|
|
|
10722 }
|
|
|
10723
|
|
|
10724 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
