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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * eval.c: Expression evaluation.
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12 */
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13 #if defined(MSDOS) || defined(MSWIN)
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14 # include <io.h> /* for mch_open(), must be before vim.h */
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15 #endif
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16
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17 #include "vim.h"
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18
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19 #ifdef AMIGA
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20 # include <time.h> /* for strftime() */
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21 #endif
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22
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23 #ifdef MACOS
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24 # include <time.h> /* for time_t */
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25 #endif
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26
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27 #ifdef HAVE_FCNTL_H
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28 # include <fcntl.h>
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29 #endif
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30
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31 #if defined(FEAT_EVAL) || defined(PROTO)
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32
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33 #if SIZEOF_INT <= 3 /* use long if int is smaller than 32 bits */
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34 typedef long varnumber_T;
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35 #else
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36 typedef int varnumber_T;
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37 #endif
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38
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39 /*
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40 * Structure to hold an internal variable.
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41 */
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42 typedef struct
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43 {
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44 char_u *var_name; /* name of variable */
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45 char var_type; /* VAR_NUMBER or VAR_STRING */
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46 union
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47 {
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48 varnumber_T var_number; /* number value */
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49 char_u *var_string; /* string value (Careful: can be NULL!) */
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50 } var_val;
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51 } var;
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52
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53 #define VAR_UNKNOWN 0
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54 #define VAR_NUMBER 1
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55 #define VAR_STRING 2
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56
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57 typedef var * VAR;
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58
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59 /*
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60 * All user-defined global variables are stored in "variables".
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61 */
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62 garray_T variables = {0, 0, sizeof(var), 4, NULL};
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63
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64 /*
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65 * Array to hold an array with variables local to each sourced script.
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66 */
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67 static garray_T ga_scripts = {0, 0, sizeof(garray_T), 4, NULL};
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68 #define SCRIPT_VARS(id) (((garray_T *)ga_scripts.ga_data)[(id) - 1])
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69
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70
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71 #define VAR_ENTRY(idx) (((VAR)(variables.ga_data))[idx])
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72 #define VAR_GAP_ENTRY(idx, gap) (((VAR)(gap->ga_data))[idx])
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73 #define BVAR_ENTRY(idx) (((VAR)(curbuf->b_vars.ga_data))[idx])
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74 #define WVAR_ENTRY(idx) (((VAR)(curwin->w_vars.ga_data))[idx])
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75
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76 static int echo_attr = 0; /* attributes used for ":echo" */
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77
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78 /*
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79 * Structure to hold info for a user function.
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80 */
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81 typedef struct ufunc ufunc_T;
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82
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83 struct ufunc
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84 {
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85 ufunc_T *next; /* next function in list */
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86 char_u *name; /* name of function; can start with <SNR>123_
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87 (<SNR> is K_SPECIAL KS_EXTRA KE_SNR) */
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88 int varargs; /* variable nr of arguments */
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89 int flags;
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90 int calls; /* nr of active calls */
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91 garray_T args; /* arguments */
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92 garray_T lines; /* function lines */
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93 scid_T script_ID; /* ID of script where function was defined,
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94 used for s: variables */
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95 };
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96
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97 /* function flags */
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98 #define FC_ABORT 1 /* abort function on error */
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99 #define FC_RANGE 2 /* function accepts range */
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100
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101 /*
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102 * All user-defined functions are found in the forward-linked function list.
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103 * The first function is pointed at by firstfunc.
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104 */
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105 ufunc_T *firstfunc = NULL;
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106
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107 #define FUNCARG(fp, j) ((char_u **)(fp->args.ga_data))[j]
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108 #define FUNCLINE(fp, j) ((char_u **)(fp->lines.ga_data))[j]
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109
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110 /* structure to hold info for a function that is currently being executed. */
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111 struct funccall
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112 {
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113 ufunc_T *func; /* function being called */
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114 int linenr; /* next line to be executed */
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115 int returned; /* ":return" used */
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116 int argcount; /* nr of arguments */
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117 VAR argvars; /* arguments */
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118 var a0_var; /* "a:0" variable */
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119 var firstline; /* "a:firstline" variable */
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120 var lastline; /* "a:lastline" variable */
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121 garray_T l_vars; /* local function variables */
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122 VAR retvar; /* return value variable */
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123 linenr_T breakpoint; /* next line with breakpoint or zero */
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124 int dbg_tick; /* debug_tick when breakpoint was set */
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125 int level; /* top nesting level of executed function */
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126 };
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127
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128 /*
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129 * Return the name of the executed function.
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130 */
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131 char_u *
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132 func_name(cookie)
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133 void *cookie;
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134 {
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135 return ((struct funccall *)cookie)->func->name;
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136 }
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137
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138 /*
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139 * Return the address holding the next breakpoint line for a funccall cookie.
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140 */
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141 linenr_T *
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142 func_breakpoint(cookie)
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143 void *cookie;
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144 {
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145 return &((struct funccall *)cookie)->breakpoint;
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146 }
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147
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148 /*
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149 * Return the address holding the debug tick for a funccall cookie.
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150 */
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151 int *
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152 func_dbg_tick(cookie)
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153 void *cookie;
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154 {
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155 return &((struct funccall *)cookie)->dbg_tick;
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156 }
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157
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158 /*
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159 * Return the nesting level for a funccall cookie.
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160 */
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161 int
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162 func_level(cookie)
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163 void *cookie;
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164 {
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165 return ((struct funccall *)cookie)->level;
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166 }
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167
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168 /* pointer to funccal for currently active function */
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169 struct funccall *current_funccal = NULL;
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170
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171 /*
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172 * Return TRUE when a function was ended by a ":return" command.
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173 */
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174 int
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175 current_func_returned()
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176 {
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177 return current_funccal->returned;
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178 }
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179
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180
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181 /*
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182 * Array to hold the value of v: variables.
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183 */
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184 #include "version.h"
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185
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186 /* values for flags: */
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187 #define VV_COMPAT 1 /* compatible, also used without "v:" */
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188 #define VV_RO 2 /* read-only */
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189
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190 struct vimvar
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191 {
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192 char *name; /* name of variable, without v: */
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193 int len; /* length of name */
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194 char_u *val; /* current value (can also be a number!) */
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195 char type; /* VAR_NUMBER or VAR_STRING */
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196 char flags; /* VV_COMPAT and VV_RO */
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197 } vimvars[VV_LEN] =
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198 { /* The order here must match the VV_ defines in vim.h! */
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199 {"count", sizeof("count") - 1, NULL, VAR_NUMBER, VV_COMPAT+VV_RO},
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200 {"count1", sizeof("count1") - 1, NULL, VAR_NUMBER, VV_RO},
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201 {"prevcount", sizeof("prevcount") - 1, NULL, VAR_NUMBER, VV_RO},
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202 {"errmsg", sizeof("errmsg") - 1, NULL, VAR_STRING, VV_COMPAT},
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203 {"warningmsg", sizeof("warningmsg") - 1, NULL, VAR_STRING, 0},
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204 {"statusmsg", sizeof("statusmsg") - 1, NULL, VAR_STRING, 0},
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205 {"shell_error", sizeof("shell_error") - 1, NULL, VAR_NUMBER,
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206 VV_COMPAT+VV_RO},
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207 {"this_session", sizeof("this_session") - 1, NULL, VAR_STRING, VV_COMPAT},
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208 {"version", sizeof("version") - 1, (char_u *)VIM_VERSION_100,
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209 VAR_NUMBER, VV_COMPAT+VV_RO},
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210 {"lnum", sizeof("lnum") - 1, NULL, VAR_NUMBER, VV_RO},
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211 {"termresponse", sizeof("termresponse") - 1, NULL, VAR_STRING, VV_RO},
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212 {"fname", sizeof("fname") - 1, NULL, VAR_STRING, VV_RO},
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213 {"lang", sizeof("lang") - 1, NULL, VAR_STRING, VV_RO},
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214 {"lc_time", sizeof("lc_time") - 1, NULL, VAR_STRING, VV_RO},
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215 {"ctype", sizeof("ctype") - 1, NULL, VAR_STRING, VV_RO},
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216 {"charconvert_from", sizeof("charconvert_from") - 1, NULL, VAR_STRING, VV_RO},
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217 {"charconvert_to", sizeof("charconvert_to") - 1, NULL, VAR_STRING, VV_RO},
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218 {"fname_in", sizeof("fname_in") - 1, NULL, VAR_STRING, VV_RO},
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219 {"fname_out", sizeof("fname_out") - 1, NULL, VAR_STRING, VV_RO},
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220 {"fname_new", sizeof("fname_new") - 1, NULL, VAR_STRING, VV_RO},
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221 {"fname_diff", sizeof("fname_diff") - 1, NULL, VAR_STRING, VV_RO},
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222 {"cmdarg", sizeof("cmdarg") - 1, NULL, VAR_STRING, VV_RO},
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223 {"foldstart", sizeof("foldstart") - 1, NULL, VAR_NUMBER, VV_RO},
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224 {"foldend", sizeof("foldend") - 1, NULL, VAR_NUMBER, VV_RO},
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225 {"folddashes", sizeof("folddashes") - 1, NULL, VAR_STRING, VV_RO},
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226 {"foldlevel", sizeof("foldlevel") - 1, NULL, VAR_NUMBER, VV_RO},
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227 {"progname", sizeof("progname") - 1, NULL, VAR_STRING, VV_RO},
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228 {"servername", sizeof("servername") - 1, NULL, VAR_STRING, VV_RO},
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229 {"dying", sizeof("dying") - 1, NULL, VAR_NUMBER, VV_RO},
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230 {"exception", sizeof("exception") - 1, NULL, VAR_STRING, VV_RO},
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231 {"throwpoint", sizeof("throwpoint") - 1, NULL, VAR_STRING, VV_RO},
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232 {"register", sizeof("register") - 1, NULL, VAR_STRING, VV_RO},
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233 {"cmdbang", sizeof("cmdbang") - 1, NULL, VAR_NUMBER, VV_RO},
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234 {"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_byteidx __ARGS((VAR argvars, VAR retvar));
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267 static void f_char2nr __ARGS((VAR argvars, VAR retvar));
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268 static void f_cindent __ARGS((VAR argvars, VAR retvar));
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269 static void f_col __ARGS((VAR argvars, VAR retvar));
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270 static void f_confirm __ARGS((VAR argvars, VAR retvar));
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271 static void f_cscope_connection __ARGS((VAR argvars, VAR retvar));
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272 static void f_cursor __ARGS((VAR argsvars, VAR retvar));
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273 static void f_delete __ARGS((VAR argvars, VAR retvar));
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274 static void f_did_filetype __ARGS((VAR argvars, VAR retvar));
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275 static void f_escape __ARGS((VAR argvars, VAR retvar));
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276 static void f_eventhandler __ARGS((VAR argvars, VAR retvar));
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277 static void f_executable __ARGS((VAR argvars, VAR retvar));
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278 static void f_exists __ARGS((VAR argvars, VAR retvar));
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279 static void f_expand __ARGS((VAR argvars, VAR retvar));
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280 static void f_filereadable __ARGS((VAR argvars, VAR retvar));
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281 static void f_filewritable __ARGS((VAR argvars, VAR retvar));
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282 static void f_finddir __ARGS((VAR argvars, VAR retvar));
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283 static void f_findfile __ARGS((VAR argvars, VAR retvar));
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284 static void f_findfilendir __ARGS((VAR argvars, VAR retvar, int dir));
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285 static void f_fnamemodify __ARGS((VAR argvars, VAR retvar));
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286 static void f_foldclosed __ARGS((VAR argvars, VAR retvar));
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287 static void f_foldclosedend __ARGS((VAR argvars, VAR retvar));
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288 static void foldclosed_both __ARGS((VAR argvars, VAR retvar, int end));
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289 static void f_foldlevel __ARGS((VAR argvars, VAR retvar));
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290 static void f_foldtext __ARGS((VAR argvars, VAR retvar));
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291 static void f_foreground __ARGS((VAR argvars, VAR retvar));
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292 static void f_getbufvar __ARGS((VAR argvars, VAR retvar));
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293 static void f_getchar __ARGS((VAR argvars, VAR retvar));
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294 static void f_getcharmod __ARGS((VAR argvars, VAR retvar));
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295 static void f_getcmdline __ARGS((VAR argvars, VAR retvar));
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296 static void f_getcmdpos __ARGS((VAR argvars, VAR retvar));
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297 static void f_getcwd __ARGS((VAR argvars, VAR retvar));
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20
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298 static void f_getfperm __ARGS((VAR argvars, VAR retvar));
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7
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299 static void f_getfsize __ARGS((VAR argvars, VAR retvar));
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300 static void f_getftime __ARGS((VAR argvars, VAR retvar));
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20
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301 static void f_getftype __ARGS((VAR argvars, VAR retvar));
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7
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302 static void f_getline __ARGS((VAR argvars, VAR retvar));
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303 static void f_getreg __ARGS((VAR argvars, VAR retvar));
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304 static void f_getregtype __ARGS((VAR argvars, VAR retvar));
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305 static void f_getwinposx __ARGS((VAR argvars, VAR retvar));
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306 static void f_getwinposy __ARGS((VAR argvars, VAR retvar));
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307 static void f_getwinvar __ARGS((VAR argvars, VAR retvar));
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308 static void f_glob __ARGS((VAR argvars, VAR retvar));
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309 static void f_globpath __ARGS((VAR argvars, VAR retvar));
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310 static void f_has __ARGS((VAR argvars, VAR retvar));
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311 static void f_hasmapto __ARGS((VAR argvars, VAR retvar));
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312 static void f_histadd __ARGS((VAR argvars, VAR retvar));
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313 static void f_histdel __ARGS((VAR argvars, VAR retvar));
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314 static void f_histget __ARGS((VAR argvars, VAR retvar));
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315 static void f_histnr __ARGS((VAR argvars, VAR retvar));
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316 static void f_hlexists __ARGS((VAR argvars, VAR retvar));
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317 static void f_hlID __ARGS((VAR argvars, VAR retvar));
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318 static void f_hostname __ARGS((VAR argvars, VAR retvar));
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319 static void f_iconv __ARGS((VAR argvars, VAR retvar));
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320 static void f_indent __ARGS((VAR argvars, VAR retvar));
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321 static void f_isdirectory __ARGS((VAR argvars, VAR retvar));
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322 static void f_input __ARGS((VAR argvars, VAR retvar));
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323 static void f_inputdialog __ARGS((VAR argvars, VAR retvar));
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324 static void f_inputrestore __ARGS((VAR argvars, VAR retvar));
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325 static void f_inputsave __ARGS((VAR argvars, VAR retvar));
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326 static void f_inputsecret __ARGS((VAR argvars, VAR retvar));
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327 static void f_last_buffer_nr __ARGS((VAR argvars, VAR retvar));
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328 static void f_libcall __ARGS((VAR argvars, VAR retvar));
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329 static void f_libcallnr __ARGS((VAR argvars, VAR retvar));
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330 static void libcall_common __ARGS((VAR argvars, VAR retvar, int type));
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331 static void f_line __ARGS((VAR argvars, VAR retvar));
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332 static void f_line2byte __ARGS((VAR argvars, VAR retvar));
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333 static void f_lispindent __ARGS((VAR argvars, VAR retvar));
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334 static void f_localtime __ARGS((VAR argvars, VAR retvar));
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335 static void f_maparg __ARGS((VAR argvars, VAR retvar));
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336 static void f_mapcheck __ARGS((VAR argvars, VAR retvar));
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337 static void get_maparg __ARGS((VAR argvars, VAR retvar, int exact));
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|
338 static void f_match __ARGS((VAR argvars, VAR retvar));
|
|
|
339 static void f_matchend __ARGS((VAR argvars, VAR retvar));
|
|
|
340 static void f_matchstr __ARGS((VAR argvars, VAR retvar));
|
|
|
341 static void f_mode __ARGS((VAR argvars, VAR retvar));
|
|
|
342 static void f_nextnonblank __ARGS((VAR argvars, VAR retvar));
|
|
|
343 static void f_nr2char __ARGS((VAR argvars, VAR retvar));
|
|
|
344 static void f_prevnonblank __ARGS((VAR argvars, VAR retvar));
|
|
|
345 static void f_setbufvar __ARGS((VAR argvars, VAR retvar));
|
|
|
346 static void f_setcmdpos __ARGS((VAR argvars, VAR retvar));
|
|
|
347 static void f_setwinvar __ARGS((VAR argvars, VAR retvar));
|
|
|
348 static void f_rename __ARGS((VAR argvars, VAR retvar));
|
|
|
349 static void f_resolve __ARGS((VAR argvars, VAR retvar));
|
|
|
350 static void f_search __ARGS((VAR argvars, VAR retvar));
|
|
|
351 static void f_searchpair __ARGS((VAR argvars, VAR retvar));
|
|
|
352 static int get_search_arg __ARGS((VAR varp, int *flagsp));
|
|
|
353 static void f_remote_expr __ARGS((VAR argvars, VAR retvar));
|
|
|
354 static void f_remote_foreground __ARGS((VAR argvars, VAR retvar));
|
|
|
355 static void f_remote_peek __ARGS((VAR argvars, VAR retvar));
|
|
|
356 static void f_remote_read __ARGS((VAR argvars, VAR retvar));
|
|
|
357 static void f_remote_send __ARGS((VAR argvars, VAR retvar));
|
|
18
|
358 static void f_repeat __ARGS((VAR argvars, VAR retvar));
|
|
7
|
359 static void f_server2client __ARGS((VAR argvars, VAR retvar));
|
|
|
360 static void f_serverlist __ARGS((VAR argvars, VAR retvar));
|
|
|
361 static void f_setline __ARGS((VAR argvars, VAR retvar));
|
|
|
362 static void f_setreg __ARGS((VAR argvars, VAR retvar));
|
|
|
363 static void f_simplify __ARGS((VAR argvars, VAR retvar));
|
|
|
364 static void find_some_match __ARGS((VAR argvars, VAR retvar, int start));
|
|
|
365 static void f_strftime __ARGS((VAR argvars, VAR retvar));
|
|
|
366 static void f_stridx __ARGS((VAR argvars, VAR retvar));
|
|
|
367 static void f_strlen __ARGS((VAR argvars, VAR retvar));
|
|
|
368 static void f_strpart __ARGS((VAR argvars, VAR retvar));
|
|
|
369 static void f_strridx __ARGS((VAR argvars, VAR retvar));
|
|
|
370 static void f_strtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
371 static void f_synID __ARGS((VAR argvars, VAR retvar));
|
|
|
372 static void f_synIDattr __ARGS((VAR argvars, VAR retvar));
|
|
|
373 static void f_synIDtrans __ARGS((VAR argvars, VAR retvar));
|
|
|
374 static void f_system __ARGS((VAR argvars, VAR retvar));
|
|
|
375 static void f_submatch __ARGS((VAR argvars, VAR retvar));
|
|
|
376 static void f_substitute __ARGS((VAR argvars, VAR retvar));
|
|
|
377 static void f_tempname __ARGS((VAR argvars, VAR retvar));
|
|
|
378 static void f_tolower __ARGS((VAR argvars, VAR retvar));
|
|
|
379 static void f_toupper __ARGS((VAR argvars, VAR retvar));
|
|
15
|
380 static void f_tr __ARGS((VAR argvars, VAR retvar));
|
|
7
|
381 static void f_type __ARGS((VAR argvars, VAR retvar));
|
|
|
382 static void f_virtcol __ARGS((VAR argvars, VAR retvar));
|
|
|
383 static void f_visualmode __ARGS((VAR argvars, VAR retvar));
|
|
|
384 static void f_winbufnr __ARGS((VAR argvars, VAR retvar));
|
|
|
385 static void f_wincol __ARGS((VAR argvars, VAR retvar));
|
|
|
386 static void f_winheight __ARGS((VAR argvars, VAR retvar));
|
|
|
387 static void f_winline __ARGS((VAR argvars, VAR retvar));
|
|
|
388 static void f_winnr __ARGS((VAR argvars, VAR retvar));
|
|
|
389 static void f_winrestcmd __ARGS((VAR argvars, VAR retvar));
|
|
|
390 static void f_winwidth __ARGS((VAR argvars, VAR retvar));
|
|
|
391 static win_T *find_win_by_nr __ARGS((VAR vp));
|
|
|
392 static pos_T *var2fpos __ARGS((VAR varp, int lnum));
|
|
|
393 static int get_env_len __ARGS((char_u **arg));
|
|
|
394 static int get_id_len __ARGS((char_u **arg));
|
|
|
395 static int get_func_len __ARGS((char_u **arg, char_u **alias, int evaluate));
|
|
|
396 static char_u *find_name_end __ARGS((char_u *arg, char_u **expr_start, char_u **expr_end));
|
|
|
397 static int eval_isnamec __ARGS((int c));
|
|
|
398 static int find_vim_var __ARGS((char_u *name, int len));
|
|
|
399 static int get_var_var __ARGS((char_u *name, int len, VAR retvar));
|
|
|
400 static VAR alloc_var __ARGS((void));
|
|
|
401 static VAR alloc_string_var __ARGS((char_u *string));
|
|
|
402 static void free_var __ARGS((VAR varp));
|
|
|
403 static void clear_var __ARGS((VAR varp));
|
|
|
404 static long get_var_number __ARGS((VAR varp));
|
|
|
405 static linenr_T get_var_lnum __ARGS((VAR argvars));
|
|
|
406 static char_u *get_var_string __ARGS((VAR varp));
|
|
|
407 static char_u *get_var_string_buf __ARGS((VAR varp, char_u *buf));
|
|
|
408 static VAR find_var __ARGS((char_u *name, int writing));
|
|
|
409 static VAR find_var_in_ga __ARGS((garray_T *gap, char_u *varname));
|
|
|
410 static garray_T *find_var_ga __ARGS((char_u *name, char_u **varname));
|
|
|
411 static void var_free_one __ARGS((VAR v));
|
|
|
412 static void list_one_var __ARGS((VAR v, char_u *prefix));
|
|
|
413 static void list_vim_var __ARGS((int i));
|
|
|
414 static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string));
|
|
|
415 static void set_var __ARGS((char_u *name, VAR varp));
|
|
|
416 static void copy_var __ARGS((VAR from, VAR to));
|
|
|
417 static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags));
|
|
|
418 static char_u *trans_function_name __ARGS((char_u **pp, int skip, int internal));
|
|
|
419 static int eval_fname_script __ARGS((char_u *p));
|
|
|
420 static int eval_fname_sid __ARGS((char_u *p));
|
|
|
421 static void list_func_head __ARGS((ufunc_T *fp, int indent));
|
|
|
422 static void cat_func_name __ARGS((char_u *buf, ufunc_T *fp));
|
|
|
423 static ufunc_T *find_func __ARGS((char_u *name));
|
|
|
424 static void call_user_func __ARGS((ufunc_T *fp, int argcount, VAR argvars, VAR retvar, linenr_T firstline, linenr_T lastline));
|
|
|
425
|
|
|
426 /* Magic braces are always enabled, otherwise Vim scripts would not be
|
|
|
427 * portable. */
|
|
|
428 #define FEAT_MAGIC_BRACES
|
|
|
429
|
|
|
430 #ifdef FEAT_MAGIC_BRACES
|
|
|
431 static char_u * make_expanded_name __ARGS((char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end));
|
|
|
432 #endif
|
|
|
433
|
|
|
434 /*
|
|
|
435 * Set an internal variable to a string value. Creates the variable if it does
|
|
|
436 * not already exist.
|
|
|
437 */
|
|
|
438 void
|
|
|
439 set_internal_string_var(name, value)
|
|
|
440 char_u *name;
|
|
|
441 char_u *value;
|
|
|
442 {
|
|
|
443 char_u *val;
|
|
|
444 VAR varp;
|
|
|
445
|
|
|
446 val = vim_strsave(value);
|
|
|
447 if (val != NULL)
|
|
|
448 {
|
|
|
449 varp = alloc_string_var(val);
|
|
|
450 if (varp != NULL)
|
|
|
451 {
|
|
|
452 set_var(name, varp);
|
|
|
453 free_var(varp);
|
|
|
454 }
|
|
|
455 }
|
|
|
456 }
|
|
|
457
|
|
|
458 # if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
459 int
|
|
|
460 eval_charconvert(enc_from, enc_to, fname_from, fname_to)
|
|
|
461 char_u *enc_from;
|
|
|
462 char_u *enc_to;
|
|
|
463 char_u *fname_from;
|
|
|
464 char_u *fname_to;
|
|
|
465 {
|
|
|
466 int err = FALSE;
|
|
|
467
|
|
|
468 set_vim_var_string(VV_CC_FROM, enc_from, -1);
|
|
|
469 set_vim_var_string(VV_CC_TO, enc_to, -1);
|
|
|
470 set_vim_var_string(VV_FNAME_IN, fname_from, -1);
|
|
|
471 set_vim_var_string(VV_FNAME_OUT, fname_to, -1);
|
|
|
472 if (eval_to_bool(p_ccv, &err, NULL, FALSE))
|
|
|
473 err = TRUE;
|
|
|
474 set_vim_var_string(VV_CC_FROM, NULL, -1);
|
|
|
475 set_vim_var_string(VV_CC_TO, NULL, -1);
|
|
|
476 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
477 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
478
|
|
|
479 if (err)
|
|
|
480 return FAIL;
|
|
|
481 return OK;
|
|
|
482 }
|
|
|
483 # endif
|
|
|
484
|
|
|
485 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
|
|
|
486 int
|
|
|
487 eval_printexpr(fname, args)
|
|
|
488 char_u *fname;
|
|
|
489 char_u *args;
|
|
|
490 {
|
|
|
491 int err = FALSE;
|
|
|
492
|
|
|
493 set_vim_var_string(VV_FNAME_IN, fname, -1);
|
|
|
494 set_vim_var_string(VV_CMDARG, args, -1);
|
|
|
495 if (eval_to_bool(p_pexpr, &err, NULL, FALSE))
|
|
|
496 err = TRUE;
|
|
|
497 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
498 set_vim_var_string(VV_CMDARG, NULL, -1);
|
|
|
499
|
|
|
500 if (err)
|
|
|
501 {
|
|
|
502 mch_remove(fname);
|
|
|
503 return FAIL;
|
|
|
504 }
|
|
|
505 return OK;
|
|
|
506 }
|
|
|
507 # endif
|
|
|
508
|
|
|
509 # if defined(FEAT_DIFF) || defined(PROTO)
|
|
|
510 void
|
|
|
511 eval_diff(origfile, newfile, outfile)
|
|
|
512 char_u *origfile;
|
|
|
513 char_u *newfile;
|
|
|
514 char_u *outfile;
|
|
|
515 {
|
|
|
516 int err = FALSE;
|
|
|
517
|
|
|
518 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
519 set_vim_var_string(VV_FNAME_NEW, newfile, -1);
|
|
|
520 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
521 (void)eval_to_bool(p_dex, &err, NULL, FALSE);
|
|
|
522 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
523 set_vim_var_string(VV_FNAME_NEW, NULL, -1);
|
|
|
524 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
525 }
|
|
|
526
|
|
|
527 void
|
|
|
528 eval_patch(origfile, difffile, outfile)
|
|
|
529 char_u *origfile;
|
|
|
530 char_u *difffile;
|
|
|
531 char_u *outfile;
|
|
|
532 {
|
|
|
533 int err;
|
|
|
534
|
|
|
535 set_vim_var_string(VV_FNAME_IN, origfile, -1);
|
|
|
536 set_vim_var_string(VV_FNAME_DIFF, difffile, -1);
|
|
|
537 set_vim_var_string(VV_FNAME_OUT, outfile, -1);
|
|
|
538 (void)eval_to_bool(p_pex, &err, NULL, FALSE);
|
|
|
539 set_vim_var_string(VV_FNAME_IN, NULL, -1);
|
|
|
540 set_vim_var_string(VV_FNAME_DIFF, NULL, -1);
|
|
|
541 set_vim_var_string(VV_FNAME_OUT, NULL, -1);
|
|
|
542 }
|
|
|
543 # endif
|
|
|
544
|
|
|
545 /*
|
|
|
546 * Top level evaluation function, returning a boolean.
|
|
|
547 * Sets "error" to TRUE if there was an error.
|
|
|
548 * Return TRUE or FALSE.
|
|
|
549 */
|
|
|
550 int
|
|
|
551 eval_to_bool(arg, error, nextcmd, skip)
|
|
|
552 char_u *arg;
|
|
|
553 int *error;
|
|
|
554 char_u **nextcmd;
|
|
|
555 int skip; /* only parse, don't execute */
|
|
|
556 {
|
|
|
557 var retvar;
|
|
|
558 int retval = FALSE;
|
|
|
559
|
|
|
560 if (skip)
|
|
|
561 ++emsg_skip;
|
|
|
562 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL)
|
|
|
563 {
|
|
|
564 *error = TRUE;
|
|
|
565 }
|
|
|
566 else
|
|
|
567 {
|
|
|
568 *error = FALSE;
|
|
|
569 if (!skip)
|
|
|
570 {
|
|
|
571 retval = (get_var_number(&retvar) != 0);
|
|
|
572 clear_var(&retvar);
|
|
|
573 }
|
|
|
574 }
|
|
|
575 if (skip)
|
|
|
576 --emsg_skip;
|
|
|
577
|
|
|
578 return retval;
|
|
|
579 }
|
|
|
580
|
|
|
581 /*
|
|
|
582 * Top level evaluation function, returning a string. If "skip" is TRUE,
|
|
|
583 * only parsing to "nextcmd" is done, without reporting errors. Return
|
|
|
584 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
|
|
|
585 */
|
|
|
586 char_u *
|
|
|
587 eval_to_string_skip(arg, nextcmd, skip)
|
|
|
588 char_u *arg;
|
|
|
589 char_u **nextcmd;
|
|
|
590 int skip; /* only parse, don't execute */
|
|
|
591 {
|
|
|
592 var retvar;
|
|
|
593 char_u *retval;
|
|
|
594
|
|
|
595 if (skip)
|
|
|
596 ++emsg_skip;
|
|
|
597 if (eval0(arg, &retvar, nextcmd, !skip) == FAIL || skip)
|
|
|
598 retval = NULL;
|
|
|
599 else
|
|
|
600 {
|
|
|
601 retval = vim_strsave(get_var_string(&retvar));
|
|
|
602 clear_var(&retvar);
|
|
|
603 }
|
|
|
604 if (skip)
|
|
|
605 --emsg_skip;
|
|
|
606
|
|
|
607 return retval;
|
|
|
608 }
|
|
|
609
|
|
|
610 /*
|
|
9
|
611 * Skip over an expression at "*pp".
|
|
|
612 * Return FAIL for an error, OK otherwise.
|
|
|
613 */
|
|
|
614 int
|
|
|
615 skip_expr(pp)
|
|
|
616 char_u **pp;
|
|
|
617 {
|
|
|
618 var retvar;
|
|
|
619
|
|
|
620 *pp = skipwhite(*pp);
|
|
|
621 return eval1(pp, &retvar, FALSE);
|
|
|
622 }
|
|
|
623
|
|
|
624 /*
|
|
7
|
625 * Top level evaluation function, returning a string.
|
|
|
626 * Return pointer to allocated memory, or NULL for failure.
|
|
|
627 */
|
|
|
628 char_u *
|
|
|
629 eval_to_string(arg, nextcmd)
|
|
|
630 char_u *arg;
|
|
|
631 char_u **nextcmd;
|
|
|
632 {
|
|
|
633 var retvar;
|
|
|
634 char_u *retval;
|
|
|
635
|
|
|
636 if (eval0(arg, &retvar, nextcmd, TRUE) == FAIL)
|
|
|
637 retval = NULL;
|
|
|
638 else
|
|
|
639 {
|
|
|
640 retval = vim_strsave(get_var_string(&retvar));
|
|
|
641 clear_var(&retvar);
|
|
|
642 }
|
|
|
643
|
|
|
644 return retval;
|
|
|
645 }
|
|
|
646
|
|
|
647 /*
|
|
|
648 * Call eval_to_string() with "sandbox" set and not using local variables.
|
|
|
649 */
|
|
|
650 char_u *
|
|
|
651 eval_to_string_safe(arg, nextcmd)
|
|
|
652 char_u *arg;
|
|
|
653 char_u **nextcmd;
|
|
|
654 {
|
|
|
655 char_u *retval;
|
|
|
656 void *save_funccalp;
|
|
|
657
|
|
|
658 save_funccalp = save_funccal();
|
|
|
659 ++sandbox;
|
|
|
660 retval = eval_to_string(arg, nextcmd);
|
|
|
661 --sandbox;
|
|
|
662 restore_funccal(save_funccalp);
|
|
|
663 return retval;
|
|
|
664 }
|
|
|
665
|
|
|
666 #if 0 /* not used */
|
|
|
667 /*
|
|
|
668 * Top level evaluation function, returning a string.
|
|
|
669 * Advances "arg" to the first non-blank after the evaluated expression.
|
|
|
670 * Return pointer to allocated memory, or NULL for failure.
|
|
|
671 * Doesn't give error messages.
|
|
|
672 */
|
|
|
673 char_u *
|
|
|
674 eval_arg_to_string(arg)
|
|
|
675 char_u **arg;
|
|
|
676 {
|
|
|
677 var retvar;
|
|
|
678 char_u *retval;
|
|
|
679 int ret;
|
|
|
680
|
|
|
681 ++emsg_off;
|
|
|
682
|
|
|
683 ret = eval1(arg, &retvar, TRUE);
|
|
|
684 if (ret == FAIL)
|
|
|
685 retval = NULL;
|
|
|
686 else
|
|
|
687 {
|
|
|
688 retval = vim_strsave(get_var_string(&retvar));
|
|
|
689 clear_var(&retvar);
|
|
|
690 }
|
|
|
691
|
|
|
692 --emsg_off;
|
|
|
693
|
|
|
694 return retval;
|
|
|
695 }
|
|
|
696 #endif
|
|
|
697
|
|
|
698 /*
|
|
|
699 * Top level evaluation function, returning a number.
|
|
|
700 * Evaluates "expr" silently.
|
|
|
701 * Returns -1 for an error.
|
|
|
702 */
|
|
|
703 int
|
|
|
704 eval_to_number(expr)
|
|
|
705 char_u *expr;
|
|
|
706 {
|
|
|
707 var retvar;
|
|
|
708 int retval;
|
|
|
709 char_u *p = expr;
|
|
|
710
|
|
|
711 ++emsg_off;
|
|
|
712
|
|
|
713 if (eval1(&p, &retvar, TRUE) == FAIL)
|
|
|
714 retval = -1;
|
|
|
715 else
|
|
|
716 {
|
|
|
717 retval = get_var_number(&retvar);
|
|
|
718 clear_var(&retvar);
|
|
|
719 }
|
|
|
720 --emsg_off;
|
|
|
721
|
|
|
722 return retval;
|
|
|
723 }
|
|
|
724
|
|
|
725 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
|
|
|
726 /*
|
|
|
727 * Call some vimL function and return the result as a string
|
|
|
728 * Uses argv[argc] for the function arguments.
|
|
|
729 */
|
|
|
730 char_u *
|
|
|
731 call_vim_function(func, argc, argv, safe)
|
|
|
732 char_u *func;
|
|
|
733 int argc;
|
|
|
734 char_u **argv;
|
|
|
735 int safe; /* use the sandbox */
|
|
|
736 {
|
|
|
737 char_u *retval = NULL;
|
|
|
738 var retvar;
|
|
|
739 VAR argvars;
|
|
|
740 long n;
|
|
|
741 int len;
|
|
|
742 int i;
|
|
|
743 int doesrange;
|
|
|
744 void *save_funccalp = NULL;
|
|
|
745
|
|
|
746 argvars = (VAR)alloc((unsigned)(argc * sizeof(var)));
|
|
|
747 if (argvars == NULL)
|
|
|
748 return NULL;
|
|
|
749
|
|
|
750 for (i = 0; i < argc; i++)
|
|
|
751 {
|
|
12
|
752 /* Pass a NULL or empty argument as an empty string */
|
|
|
753 if (argv[i] == NULL || *argv[i] == NUL)
|
|
|
754 {
|
|
|
755 argvars[i].var_type = VAR_STRING;
|
|
20
|
756 argvars[i].var_val.var_string = (char_u *)"";
|
|
12
|
757 continue;
|
|
|
758 }
|
|
|
759
|
|
7
|
760 /* Recognize a number argument, the others must be strings. */
|
|
|
761 vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
762 if (len != 0 && len == (int)STRLEN(argv[i]))
|
|
|
763 {
|
|
|
764 argvars[i].var_type = VAR_NUMBER;
|
|
|
765 argvars[i].var_val.var_number = n;
|
|
|
766 }
|
|
|
767 else
|
|
|
768 {
|
|
|
769 argvars[i].var_type = VAR_STRING;
|
|
|
770 argvars[i].var_val.var_string = argv[i];
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 if (safe)
|
|
|
775 {
|
|
|
776 save_funccalp = save_funccal();
|
|
|
777 ++sandbox;
|
|
|
778 }
|
|
|
779
|
|
|
780 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
781 if (call_func(func, (int)STRLEN(func), &retvar, argc, argvars,
|
|
|
782 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
783 &doesrange, TRUE) == OK)
|
|
|
784 retval = vim_strsave(get_var_string(&retvar));
|
|
|
785
|
|
|
786 clear_var(&retvar);
|
|
|
787 vim_free(argvars);
|
|
|
788
|
|
|
789 if (safe)
|
|
|
790 {
|
|
|
791 --sandbox;
|
|
|
792 restore_funccal(save_funccalp);
|
|
|
793 }
|
|
|
794 return retval;
|
|
|
795 }
|
|
|
796 #endif
|
|
|
797
|
|
|
798 /*
|
|
|
799 * Save the current function call pointer, and set it to NULL.
|
|
|
800 * Used when executing autocommands and for ":source".
|
|
|
801 */
|
|
|
802 void *
|
|
|
803 save_funccal()
|
|
|
804 {
|
|
|
805 struct funccall *fc;
|
|
|
806
|
|
|
807 fc = current_funccal;
|
|
|
808 current_funccal = NULL;
|
|
|
809 return (void *)fc;
|
|
|
810 }
|
|
|
811
|
|
|
812 void
|
|
|
813 restore_funccal(fc)
|
|
|
814 void *fc;
|
|
|
815 {
|
|
|
816 current_funccal = (struct funccall *)fc;
|
|
|
817 }
|
|
|
818
|
|
|
819 #ifdef FEAT_FOLDING
|
|
|
820 /*
|
|
|
821 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
|
|
|
822 * it in "*cp". Doesn't give error messages.
|
|
|
823 */
|
|
|
824 int
|
|
|
825 eval_foldexpr(arg, cp)
|
|
|
826 char_u *arg;
|
|
|
827 int *cp;
|
|
|
828 {
|
|
|
829 var retvar;
|
|
|
830 int retval;
|
|
|
831 char_u *s;
|
|
|
832
|
|
|
833 ++emsg_off;
|
|
|
834 ++sandbox;
|
|
|
835 *cp = NUL;
|
|
|
836 if (eval0(arg, &retvar, NULL, TRUE) == FAIL)
|
|
|
837 retval = 0;
|
|
|
838 else
|
|
|
839 {
|
|
|
840 /* If the result is a number, just return the number. */
|
|
|
841 if (retvar.var_type == VAR_NUMBER)
|
|
|
842 retval = retvar.var_val.var_number;
|
|
|
843 else if (retvar.var_type == VAR_UNKNOWN
|
|
|
844 || retvar.var_val.var_string == NULL)
|
|
|
845 retval = 0;
|
|
|
846 else
|
|
|
847 {
|
|
|
848 /* If the result is a string, check if there is a non-digit before
|
|
|
849 * the number. */
|
|
|
850 s = retvar.var_val.var_string;
|
|
|
851 if (!VIM_ISDIGIT(*s) && *s != '-')
|
|
|
852 *cp = *s++;
|
|
|
853 retval = atol((char *)s);
|
|
|
854 }
|
|
|
855 clear_var(&retvar);
|
|
|
856 }
|
|
|
857 --emsg_off;
|
|
|
858 --sandbox;
|
|
|
859
|
|
|
860 return retval;
|
|
|
861 }
|
|
|
862 #endif
|
|
|
863
|
|
|
864 #ifdef FEAT_MAGIC_BRACES
|
|
|
865 /*
|
|
|
866 * Expands out the 'magic' {}'s in a variable/function name.
|
|
|
867 * Note that this can call itself recursively, to deal with
|
|
|
868 * constructs like foo{bar}{baz}{bam}
|
|
|
869 * The four pointer arguments point to "foo{expre}ss{ion}bar"
|
|
|
870 * "in_start" ^
|
|
|
871 * "expr_start" ^
|
|
|
872 * "expr_end" ^
|
|
|
873 * "in_end" ^
|
|
|
874 *
|
|
|
875 * Returns a new allocated string, which the caller must free.
|
|
|
876 * Returns NULL for failure.
|
|
|
877 */
|
|
|
878 static char_u *
|
|
|
879 make_expanded_name(in_start, expr_start, expr_end, in_end)
|
|
|
880 char_u *in_start;
|
|
|
881 char_u *expr_start;
|
|
|
882 char_u *expr_end;
|
|
|
883 char_u *in_end;
|
|
|
884 {
|
|
|
885 char_u c1;
|
|
|
886 char_u *retval = NULL;
|
|
|
887 char_u *temp_result;
|
|
|
888 char_u *nextcmd = NULL;
|
|
|
889
|
|
|
890 if (expr_end == NULL || in_end == NULL)
|
|
|
891 return NULL;
|
|
|
892 *expr_start = NUL;
|
|
|
893 *expr_end = NUL;
|
|
|
894 c1 = *in_end;
|
|
|
895 *in_end = NUL;
|
|
|
896
|
|
|
897 temp_result = eval_to_string(expr_start + 1, &nextcmd);
|
|
|
898 if (temp_result != NULL && nextcmd == NULL)
|
|
|
899 {
|
|
|
900 retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start)
|
|
|
901 + (in_end - expr_end) + 1));
|
|
|
902
|
|
|
903 if (retval != NULL)
|
|
|
904 {
|
|
|
905 STRCPY(retval, in_start);
|
|
|
906 STRCAT(retval, temp_result);
|
|
|
907 STRCAT(retval, expr_end + 1);
|
|
|
908 }
|
|
|
909 }
|
|
|
910 vim_free(temp_result);
|
|
|
911
|
|
|
912 *in_end = c1; /* put char back for error messages */
|
|
|
913 *expr_start = '{';
|
|
|
914 *expr_end = '}';
|
|
|
915
|
|
|
916 if (retval != NULL)
|
|
|
917 {
|
|
|
918 temp_result = find_name_end(retval, &expr_start, &expr_end);
|
|
|
919 if (expr_start != NULL)
|
|
|
920 {
|
|
|
921 /* Further expansion! */
|
|
|
922 temp_result = make_expanded_name(retval, expr_start,
|
|
|
923 expr_end, temp_result);
|
|
|
924 vim_free(retval);
|
|
|
925 retval = temp_result;
|
|
|
926 }
|
|
|
927 }
|
|
|
928
|
|
|
929 return retval;
|
|
|
930
|
|
|
931 }
|
|
|
932 #endif /* FEAT_MAGIC_BRACES */
|
|
|
933
|
|
|
934 /*
|
|
|
935 * ":let var = expr" assignment command.
|
|
|
936 * ":let var" list one variable value
|
|
|
937 * ":let" list all variable values
|
|
|
938 */
|
|
|
939 void
|
|
|
940 ex_let(eap)
|
|
|
941 exarg_T *eap;
|
|
|
942 {
|
|
|
943 char_u *arg = eap->arg;
|
|
|
944 char_u *expr;
|
|
|
945 char_u *name;
|
|
|
946 VAR varp;
|
|
|
947 var retvar;
|
|
|
948 char_u *p;
|
|
|
949 int c1 = 0, c2;
|
|
|
950 int i;
|
|
|
951 char_u *expr_start;
|
|
|
952 char_u *expr_end;
|
|
|
953 char_u *name_end;
|
|
|
954
|
|
|
955 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
956 expr = vim_strchr(name_end, '=');
|
|
|
957 if (expr == NULL)
|
|
|
958 {
|
|
|
959 if (ends_excmd(*arg))
|
|
|
960 {
|
|
|
961 if (!eap->skip)
|
|
|
962 {
|
|
|
963 /*
|
|
|
964 * List all variables.
|
|
|
965 */
|
|
|
966 for (i = 0; i < variables.ga_len && !got_int; ++i)
|
|
|
967 if (VAR_ENTRY(i).var_name != NULL)
|
|
|
968 list_one_var(&VAR_ENTRY(i), (char_u *)"");
|
|
|
969 for (i = 0; i < curbuf->b_vars.ga_len && !got_int; ++i)
|
|
|
970 if (BVAR_ENTRY(i).var_name != NULL)
|
|
|
971 list_one_var(&BVAR_ENTRY(i), (char_u *)"b:");
|
|
|
972 for (i = 0; i < curwin->w_vars.ga_len && !got_int; ++i)
|
|
|
973 if (WVAR_ENTRY(i).var_name != NULL)
|
|
|
974 list_one_var(&WVAR_ENTRY(i), (char_u *)"w:");
|
|
|
975 for (i = 0; i < VV_LEN && !got_int; ++i)
|
|
|
976 if (vimvars[i].type == VAR_NUMBER || vimvars[i].val != NULL)
|
|
|
977 list_vim_var(i);
|
|
|
978 }
|
|
|
979 }
|
|
|
980 else
|
|
|
981 {
|
|
|
982 int error = FALSE;
|
|
|
983
|
|
|
984 /*
|
|
|
985 * List variables.
|
|
|
986 */
|
|
|
987 while (!ends_excmd(*arg) && !got_int)
|
|
|
988 {
|
|
|
989 char_u *temp_string = NULL;
|
|
|
990 int arg_len;
|
|
|
991
|
|
|
992 /* Find the end of the name. */
|
|
|
993 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
994
|
|
|
995 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
996 {
|
|
|
997 emsg_severe = TRUE;
|
|
|
998 EMSG(_(e_trailing));
|
|
|
999 break;
|
|
|
1000 }
|
|
|
1001 if (!error && !eap->skip)
|
|
|
1002 {
|
|
|
1003 #ifdef FEAT_MAGIC_BRACES
|
|
|
1004 if (expr_start != NULL)
|
|
|
1005 {
|
|
|
1006 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1007 expr_end, name_end);
|
|
|
1008 if (temp_string == NULL)
|
|
|
1009 {
|
|
|
1010 /*
|
|
|
1011 * Report an invalid expression in braces, unless
|
|
|
1012 * the expression evaluation has been cancelled due
|
|
|
1013 * to an aborting error, an interrupt, or an
|
|
|
1014 * exception.
|
|
|
1015 */
|
|
|
1016 if (!aborting())
|
|
|
1017 {
|
|
|
1018 emsg_severe = TRUE;
|
|
|
1019 EMSG2(_(e_invarg2), arg);
|
|
|
1020 break;
|
|
|
1021 }
|
|
|
1022 error = TRUE;
|
|
|
1023 arg = skipwhite(name_end);
|
|
|
1024 continue;
|
|
|
1025 }
|
|
|
1026 arg = temp_string;
|
|
|
1027 arg_len = STRLEN(temp_string);
|
|
|
1028 }
|
|
|
1029 else
|
|
|
1030 #endif
|
|
|
1031 {
|
|
|
1032 c1 = *name_end;
|
|
|
1033 *name_end = NUL;
|
|
|
1034 arg_len = (int)(name_end - arg);
|
|
|
1035 }
|
|
|
1036 i = find_vim_var(arg, arg_len);
|
|
|
1037 if (i >= 0)
|
|
|
1038 list_vim_var(i);
|
|
|
1039 else if (STRCMP("b:changedtick", arg) == 0)
|
|
|
1040 {
|
|
|
1041 char_u numbuf[NUMBUFLEN];
|
|
|
1042
|
|
|
1043 sprintf((char *)numbuf, "%ld",
|
|
|
1044 (long)curbuf->b_changedtick);
|
|
|
1045 list_one_var_a((char_u *)"b:", (char_u *)"changedtick",
|
|
|
1046 VAR_NUMBER, numbuf);
|
|
|
1047 }
|
|
|
1048 else
|
|
|
1049 {
|
|
|
1050 varp = find_var(arg, FALSE);
|
|
|
1051 if (varp == NULL)
|
|
|
1052 {
|
|
|
1053 /* Skip further arguments but do continue to
|
|
|
1054 * search for a trailing command. */
|
|
|
1055 EMSG2(_("E106: Unknown variable: \"%s\""), arg);
|
|
|
1056 error = TRUE;
|
|
|
1057 }
|
|
|
1058 else
|
|
|
1059 {
|
|
|
1060 name = vim_strchr(arg, ':');
|
|
|
1061 if (name != NULL)
|
|
|
1062 {
|
|
|
1063 /* "a:" vars have no name stored, use whole
|
|
|
1064 * arg */
|
|
|
1065 if (arg[0] == 'a' && arg[1] == ':')
|
|
|
1066 c2 = NUL;
|
|
|
1067 else
|
|
|
1068 {
|
|
|
1069 c2 = *++name;
|
|
|
1070 *name = NUL;
|
|
|
1071 }
|
|
|
1072 list_one_var(varp, arg);
|
|
|
1073 if (c2 != NUL)
|
|
|
1074 *name = c2;
|
|
|
1075 }
|
|
|
1076 else
|
|
|
1077 list_one_var(varp, (char_u *)"");
|
|
|
1078 }
|
|
|
1079 }
|
|
|
1080 #ifdef FEAT_MAGIC_BRACES
|
|
|
1081 if (expr_start != NULL)
|
|
|
1082 vim_free(temp_string);
|
|
|
1083 else
|
|
|
1084 #endif
|
|
|
1085 *name_end = c1;
|
|
|
1086 }
|
|
|
1087 arg = skipwhite(name_end);
|
|
|
1088 }
|
|
|
1089 }
|
|
|
1090 eap->nextcmd = check_nextcmd(arg);
|
|
|
1091 }
|
|
|
1092 else
|
|
|
1093 {
|
|
|
1094 if (eap->skip)
|
|
|
1095 ++emsg_skip;
|
|
|
1096 i = eval0(expr + 1, &retvar, &eap->nextcmd, !eap->skip);
|
|
|
1097 if (eap->skip)
|
|
|
1098 {
|
|
|
1099 if (i != FAIL)
|
|
|
1100 clear_var(&retvar);
|
|
|
1101 --emsg_skip;
|
|
|
1102 }
|
|
|
1103 else if (i != FAIL)
|
|
|
1104 {
|
|
|
1105 /*
|
|
|
1106 * ":let $VAR = expr": Set environment variable.
|
|
|
1107 */
|
|
|
1108 if (*arg == '$')
|
|
|
1109 {
|
|
|
1110 int len;
|
|
|
1111 int cc;
|
|
|
1112
|
|
|
1113 /* Find the end of the name. */
|
|
|
1114 ++arg;
|
|
|
1115 name = arg;
|
|
|
1116 len = get_env_len(&arg);
|
|
|
1117 if (len == 0)
|
|
|
1118 EMSG2(_(e_invarg2), name - 1);
|
|
|
1119 else
|
|
|
1120 {
|
|
|
1121 if (*skipwhite(arg) != '=')
|
|
|
1122 EMSG(_(e_letunexp));
|
|
|
1123 else
|
|
|
1124 {
|
|
|
1125 cc = name[len];
|
|
|
1126 name[len] = NUL;
|
|
|
1127 p = get_var_string(&retvar);
|
|
|
1128 vim_setenv(name, p);
|
|
|
1129 if (STRICMP(name, "HOME") == 0)
|
|
|
1130 init_homedir();
|
|
|
1131 else if (didset_vim && STRICMP(name, "VIM") == 0)
|
|
|
1132 didset_vim = FALSE;
|
|
|
1133 else if (didset_vimruntime
|
|
|
1134 && STRICMP(name, "VIMRUNTIME") == 0)
|
|
|
1135 didset_vimruntime = FALSE;
|
|
|
1136 name[len] = cc;
|
|
|
1137 }
|
|
|
1138 }
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 /*
|
|
|
1142 * ":let &option = expr": Set option value.
|
|
|
1143 * ":let &l:option = expr": Set local option value.
|
|
|
1144 * ":let &g:option = expr": Set global option value.
|
|
|
1145 */
|
|
|
1146 else if (*arg == '&')
|
|
|
1147 {
|
|
|
1148 int opt_flags;
|
|
|
1149
|
|
|
1150 /*
|
|
|
1151 * Find the end of the name;
|
|
|
1152 */
|
|
|
1153 p = find_option_end(&arg, &opt_flags);
|
|
|
1154 if (p == NULL || *skipwhite(p) != '=')
|
|
|
1155 EMSG(_(e_letunexp));
|
|
|
1156 else
|
|
|
1157 {
|
|
|
1158 c1 = *p;
|
|
|
1159 *p = NUL;
|
|
|
1160 set_option_value(arg, get_var_number(&retvar),
|
|
|
1161 get_var_string(&retvar), opt_flags);
|
|
|
1162 *p = c1; /* put back for error messages */
|
|
|
1163 }
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 /*
|
|
|
1167 * ":let @r = expr": Set register contents.
|
|
|
1168 */
|
|
|
1169 else if (*arg == '@')
|
|
|
1170 {
|
|
|
1171 ++arg;
|
|
|
1172 if (*skipwhite(arg + 1) != '=')
|
|
|
1173 EMSG(_(e_letunexp));
|
|
|
1174 else
|
|
|
1175 write_reg_contents(*arg == '@' ? '"' : *arg,
|
|
|
1176 get_var_string(&retvar), -1, FALSE);
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 /*
|
|
|
1180 * ":let var = expr": Set internal variable.
|
|
|
1181 */
|
|
|
1182 else if (eval_isnamec(*arg) && !VIM_ISDIGIT(*arg))
|
|
|
1183 {
|
|
|
1184 /* Find the end of the name. */
|
|
|
1185 p = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1186
|
|
|
1187 if (*skipwhite(p) != '=')
|
|
|
1188 EMSG(_(e_letunexp));
|
|
|
1189 else if (p - arg == 13
|
|
|
1190 && STRNCMP(arg, "b:changedtick", 13) == 0)
|
|
|
1191 EMSG2(_(e_readonlyvar), arg);
|
|
|
1192 #ifdef FEAT_MAGIC_BRACES
|
|
|
1193 else if (expr_start != NULL)
|
|
|
1194 {
|
|
|
1195 char_u *temp_string;
|
|
|
1196
|
|
|
1197 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1198 expr_end, p);
|
|
|
1199 if (temp_string == NULL)
|
|
|
1200 {
|
|
|
1201 /*
|
|
|
1202 * Report an invalid expression in braces, unless the
|
|
|
1203 * expression evaluation has been cancelled due to an
|
|
|
1204 * aborting error, an interrupt, or an exception.
|
|
|
1205 */
|
|
|
1206 if (!aborting())
|
|
|
1207 EMSG2(_(e_invarg2), arg);
|
|
|
1208 }
|
|
|
1209 else
|
|
|
1210 {
|
|
|
1211 set_var(temp_string, &retvar);
|
|
|
1212 vim_free(temp_string);
|
|
|
1213 }
|
|
|
1214 }
|
|
|
1215 #endif
|
|
|
1216 else
|
|
|
1217 {
|
|
|
1218 c1 = *p;
|
|
|
1219 *p = NUL;
|
|
|
1220 set_var(arg, &retvar);
|
|
|
1221 *p = c1; /* put char back for error messages */
|
|
|
1222 }
|
|
|
1223 }
|
|
|
1224
|
|
|
1225 else
|
|
|
1226 {
|
|
|
1227 EMSG2(_(e_invarg2), arg);
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 clear_var(&retvar);
|
|
|
1231 }
|
|
|
1232 }
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1236
|
|
|
1237 void
|
|
|
1238 set_context_for_expression(xp, arg, cmdidx)
|
|
|
1239 expand_T *xp;
|
|
|
1240 char_u *arg;
|
|
|
1241 cmdidx_T cmdidx;
|
|
|
1242 {
|
|
|
1243 int got_eq = FALSE;
|
|
|
1244 int c;
|
|
|
1245
|
|
|
1246 xp->xp_context = cmdidx == CMD_let ? EXPAND_USER_VARS
|
|
|
1247 : cmdidx == CMD_call ? EXPAND_FUNCTIONS
|
|
|
1248 : EXPAND_EXPRESSION;
|
|
|
1249 while ((xp->xp_pattern = vim_strpbrk(arg,
|
|
|
1250 (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL)
|
|
|
1251 {
|
|
|
1252 c = *xp->xp_pattern;
|
|
|
1253 if (c == '&')
|
|
|
1254 {
|
|
|
1255 c = xp->xp_pattern[1];
|
|
|
1256 if (c == '&')
|
|
|
1257 {
|
|
|
1258 ++xp->xp_pattern;
|
|
|
1259 xp->xp_context = cmdidx != CMD_let || got_eq
|
|
|
1260 ? EXPAND_EXPRESSION : EXPAND_NOTHING;
|
|
|
1261 }
|
|
|
1262 else if (c != ' ')
|
|
|
1263 xp->xp_context = EXPAND_SETTINGS;
|
|
|
1264 }
|
|
|
1265 else if (c == '$')
|
|
|
1266 {
|
|
|
1267 /* environment variable */
|
|
|
1268 xp->xp_context = EXPAND_ENV_VARS;
|
|
|
1269 }
|
|
|
1270 else if (c == '=')
|
|
|
1271 {
|
|
|
1272 got_eq = TRUE;
|
|
|
1273 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1274 }
|
|
|
1275 else if (c == '<'
|
|
|
1276 && xp->xp_context == EXPAND_FUNCTIONS
|
|
|
1277 && vim_strchr(xp->xp_pattern, '(') == NULL)
|
|
|
1278 {
|
|
|
1279 /* Function name can start with "<SNR>" */
|
|
|
1280 break;
|
|
|
1281 }
|
|
|
1282 else if (cmdidx != CMD_let || got_eq)
|
|
|
1283 {
|
|
|
1284 if (c == '"') /* string */
|
|
|
1285 {
|
|
|
1286 while ((c = *++xp->xp_pattern) != NUL && c != '"')
|
|
|
1287 if (c == '\\' && xp->xp_pattern[1] != NUL)
|
|
|
1288 ++xp->xp_pattern;
|
|
|
1289 xp->xp_context = EXPAND_NOTHING;
|
|
|
1290 }
|
|
|
1291 else if (c == '\'') /* literal string */
|
|
|
1292 {
|
|
|
1293 while ((c = *++xp->xp_pattern) != NUL && c != '\'')
|
|
|
1294 /* skip */ ;
|
|
|
1295 xp->xp_context = EXPAND_NOTHING;
|
|
|
1296 }
|
|
|
1297 else if (c == '|')
|
|
|
1298 {
|
|
|
1299 if (xp->xp_pattern[1] == '|')
|
|
|
1300 {
|
|
|
1301 ++xp->xp_pattern;
|
|
|
1302 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1303 }
|
|
|
1304 else
|
|
|
1305 xp->xp_context = EXPAND_COMMANDS;
|
|
|
1306 }
|
|
|
1307 else
|
|
|
1308 xp->xp_context = EXPAND_EXPRESSION;
|
|
|
1309 }
|
|
|
1310 else
|
|
|
1311 xp->xp_context = EXPAND_NOTHING;
|
|
|
1312 arg = xp->xp_pattern;
|
|
|
1313 if (*arg != NUL)
|
|
|
1314 while ((c = *++arg) != NUL && (c == ' ' || c == '\t'))
|
|
|
1315 /* skip */ ;
|
|
|
1316 }
|
|
|
1317 xp->xp_pattern = arg;
|
|
|
1318 }
|
|
|
1319
|
|
|
1320 #endif /* FEAT_CMDL_COMPL */
|
|
|
1321
|
|
|
1322 /*
|
|
|
1323 * ":1,25call func(arg1, arg2)" function call.
|
|
|
1324 */
|
|
|
1325 void
|
|
|
1326 ex_call(eap)
|
|
|
1327 exarg_T *eap;
|
|
|
1328 {
|
|
|
1329 char_u *arg = eap->arg;
|
|
|
1330 char_u *startarg;
|
|
|
1331 char_u *alias;
|
|
|
1332 char_u *name;
|
|
|
1333 var retvar;
|
|
|
1334 int len;
|
|
|
1335 linenr_T lnum;
|
|
|
1336 int doesrange;
|
|
|
1337 int failed = FALSE;
|
|
|
1338
|
|
|
1339 name = arg;
|
|
|
1340 len = get_func_len(&arg, &alias, !eap->skip);
|
|
|
1341 if (len == 0)
|
|
|
1342 goto end;
|
|
|
1343 if (alias != NULL)
|
|
|
1344 name = alias;
|
|
|
1345
|
|
|
1346 startarg = arg;
|
|
|
1347 retvar.var_type = VAR_UNKNOWN; /* clear_var() uses this */
|
|
|
1348
|
|
|
1349 if (*startarg != '(')
|
|
|
1350 {
|
|
|
1351 EMSG2(_("E107: Missing braces: %s"), name);
|
|
|
1352 goto end;
|
|
|
1353 }
|
|
|
1354
|
|
|
1355 /*
|
|
|
1356 * When skipping, evaluate the function once, to find the end of the
|
|
|
1357 * arguments.
|
|
|
1358 * When the function takes a range, this is discovered after the first
|
|
|
1359 * call, and the loop is broken.
|
|
|
1360 */
|
|
|
1361 if (eap->skip)
|
|
|
1362 {
|
|
|
1363 ++emsg_skip;
|
|
|
1364 lnum = eap->line2; /* do it once, also with an invalid range */
|
|
|
1365 }
|
|
|
1366 else
|
|
|
1367 lnum = eap->line1;
|
|
|
1368 for ( ; lnum <= eap->line2; ++lnum)
|
|
|
1369 {
|
|
|
1370 if (!eap->skip && eap->addr_count > 0)
|
|
|
1371 {
|
|
|
1372 curwin->w_cursor.lnum = lnum;
|
|
|
1373 curwin->w_cursor.col = 0;
|
|
|
1374 }
|
|
|
1375 arg = startarg;
|
|
|
1376 if (get_func_var(name, len, &retvar, &arg,
|
|
|
1377 eap->line1, eap->line2, &doesrange, !eap->skip) == FAIL)
|
|
|
1378 {
|
|
|
1379 failed = TRUE;
|
|
|
1380 break;
|
|
|
1381 }
|
|
|
1382 clear_var(&retvar);
|
|
|
1383 if (doesrange || eap->skip)
|
|
|
1384 break;
|
|
|
1385 /* Stop when immediately aborting on error, or when an interrupt
|
|
|
1386 * occurred or an exception was thrown but not caught. get_func_var()
|
|
|
1387 * returned OK, so that the check for trailing characters below is
|
|
|
1388 * executed. */
|
|
|
1389 if (aborting())
|
|
|
1390 break;
|
|
|
1391 }
|
|
|
1392 if (eap->skip)
|
|
|
1393 --emsg_skip;
|
|
|
1394
|
|
|
1395 if (!failed)
|
|
|
1396 {
|
|
|
1397 /* Check for trailing illegal characters and a following command. */
|
|
|
1398 if (!ends_excmd(*arg))
|
|
|
1399 {
|
|
|
1400 emsg_severe = TRUE;
|
|
|
1401 EMSG(_(e_trailing));
|
|
|
1402 }
|
|
|
1403 else
|
|
|
1404 eap->nextcmd = check_nextcmd(arg);
|
|
|
1405 }
|
|
|
1406
|
|
|
1407 end:
|
|
|
1408 if (alias != NULL)
|
|
|
1409 vim_free(alias);
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 /*
|
|
|
1413 * ":unlet[!] var1 ... " command.
|
|
|
1414 */
|
|
|
1415 void
|
|
|
1416 ex_unlet(eap)
|
|
|
1417 exarg_T *eap;
|
|
|
1418 {
|
|
|
1419 char_u *arg = eap->arg;
|
|
|
1420 char_u *name_end;
|
|
|
1421 char_u cc;
|
|
|
1422 char_u *expr_start;
|
|
|
1423 char_u *expr_end;
|
|
|
1424 int error = FALSE;
|
|
|
1425
|
|
|
1426 do
|
|
|
1427 {
|
|
|
1428 /* Find the end of the name. */
|
|
|
1429 name_end = find_name_end(arg, &expr_start, &expr_end);
|
|
|
1430
|
|
|
1431 if (!vim_iswhite(*name_end) && !ends_excmd(*name_end))
|
|
|
1432 {
|
|
|
1433 emsg_severe = TRUE;
|
|
|
1434 EMSG(_(e_trailing));
|
|
|
1435 break;
|
|
|
1436 }
|
|
|
1437
|
|
|
1438 if (!error && !eap->skip)
|
|
|
1439 {
|
|
|
1440 #ifdef FEAT_MAGIC_BRACES
|
|
|
1441 if (expr_start != NULL)
|
|
|
1442 {
|
|
|
1443 char_u *temp_string;
|
|
|
1444
|
|
|
1445 temp_string = make_expanded_name(arg, expr_start,
|
|
|
1446 expr_end, name_end);
|
|
|
1447 if (temp_string == NULL)
|
|
|
1448 {
|
|
|
1449 /*
|
|
|
1450 * Report an invalid expression in braces, unless the
|
|
|
1451 * expression evaluation has been cancelled due to an
|
|
|
1452 * aborting error, an interrupt, or an exception.
|
|
|
1453 */
|
|
|
1454 if (!aborting())
|
|
|
1455 {
|
|
|
1456 emsg_severe = TRUE;
|
|
|
1457 EMSG2(_(e_invarg2), arg);
|
|
|
1458 break;
|
|
|
1459 }
|
|
|
1460 error = TRUE;
|
|
|
1461 }
|
|
|
1462 else
|
|
|
1463 {
|
|
|
1464 if (do_unlet(temp_string) == FAIL && !eap->forceit)
|
|
|
1465 {
|
|
|
1466 EMSG2(_("E108: No such variable: \"%s\""), temp_string);
|
|
|
1467 error = TRUE;
|
|
|
1468 }
|
|
|
1469 vim_free(temp_string);
|
|
|
1470 }
|
|
|
1471 }
|
|
|
1472 else
|
|
|
1473 #endif
|
|
|
1474 {
|
|
|
1475 cc = *name_end;
|
|
|
1476 *name_end = NUL;
|
|
|
1477
|
|
|
1478 if (do_unlet(arg) == FAIL && !eap->forceit)
|
|
|
1479 {
|
|
|
1480 EMSG2(_("E108: No such variable: \"%s\""), arg);
|
|
|
1481 error = TRUE;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 *name_end = cc;
|
|
|
1485 }
|
|
|
1486 }
|
|
|
1487 arg = skipwhite(name_end);
|
|
|
1488 } while (!ends_excmd(*arg));
|
|
|
1489
|
|
|
1490 eap->nextcmd = check_nextcmd(arg);
|
|
|
1491 }
|
|
|
1492
|
|
|
1493 /*
|
|
|
1494 * "unlet" a variable. Return OK if it existed, FAIL if not.
|
|
|
1495 */
|
|
|
1496 int
|
|
|
1497 do_unlet(name)
|
|
|
1498 char_u *name;
|
|
|
1499 {
|
|
|
1500 VAR v;
|
|
|
1501
|
|
|
1502 v = find_var(name, TRUE);
|
|
|
1503 if (v != NULL)
|
|
|
1504 {
|
|
|
1505 var_free_one(v);
|
|
|
1506 return OK;
|
|
|
1507 }
|
|
|
1508 return FAIL;
|
|
|
1509 }
|
|
|
1510
|
|
|
1511 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
|
|
|
1512 /*
|
|
|
1513 * Delete all "menutrans_" variables.
|
|
|
1514 */
|
|
|
1515 void
|
|
|
1516 del_menutrans_vars()
|
|
|
1517 {
|
|
|
1518 int i;
|
|
|
1519
|
|
|
1520 for (i = 0; i < variables.ga_len; ++i)
|
|
|
1521 if (VAR_ENTRY(i).var_name != NULL
|
|
|
1522 && STRNCMP(VAR_ENTRY(i).var_name, "menutrans_", 10) == 0)
|
|
|
1523 var_free_one(&VAR_ENTRY(i));
|
|
|
1524 }
|
|
|
1525 #endif
|
|
|
1526
|
|
|
1527 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
1528
|
|
|
1529 /*
|
|
|
1530 * Local string buffer for the next two functions to store a variable name
|
|
|
1531 * with its prefix. Allocated in cat_prefix_varname(), freed later in
|
|
|
1532 * get_user_var_name().
|
|
|
1533 */
|
|
|
1534
|
|
|
1535 static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name));
|
|
|
1536
|
|
|
1537 static char_u *varnamebuf = NULL;
|
|
|
1538 static int varnamebuflen = 0;
|
|
|
1539
|
|
|
1540 /*
|
|
|
1541 * Function to concatenate a prefix and a variable name.
|
|
|
1542 */
|
|
|
1543 static char_u *
|
|
|
1544 cat_prefix_varname(prefix, name)
|
|
|
1545 int prefix;
|
|
|
1546 char_u *name;
|
|
|
1547 {
|
|
|
1548 int len;
|
|
|
1549
|
|
|
1550 len = (int)STRLEN(name) + 3;
|
|
|
1551 if (len > varnamebuflen)
|
|
|
1552 {
|
|
|
1553 vim_free(varnamebuf);
|
|
|
1554 len += 10; /* some additional space */
|
|
|
1555 varnamebuf = alloc(len);
|
|
|
1556 if (varnamebuf == NULL)
|
|
|
1557 {
|
|
|
1558 varnamebuflen = 0;
|
|
|
1559 return NULL;
|
|
|
1560 }
|
|
|
1561 varnamebuflen = len;
|
|
|
1562 }
|
|
|
1563 *varnamebuf = prefix;
|
|
|
1564 varnamebuf[1] = ':';
|
|
|
1565 STRCPY(varnamebuf + 2, name);
|
|
|
1566 return varnamebuf;
|
|
|
1567 }
|
|
|
1568
|
|
|
1569 /*
|
|
|
1570 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
1571 * (global/buffer/window/built-in) variable names.
|
|
|
1572 */
|
|
|
1573 /*ARGSUSED*/
|
|
|
1574 char_u *
|
|
|
1575 get_user_var_name(xp, idx)
|
|
|
1576 expand_T *xp;
|
|
|
1577 int idx;
|
|
|
1578 {
|
|
|
1579 static int gidx;
|
|
|
1580 static int bidx;
|
|
|
1581 static int widx;
|
|
|
1582 static int vidx;
|
|
|
1583 char_u *name;
|
|
|
1584
|
|
|
1585 if (idx == 0)
|
|
|
1586 gidx = bidx = widx = vidx = 0;
|
|
|
1587 if (gidx < variables.ga_len) /* Global variables */
|
|
|
1588 {
|
|
|
1589 while ((name = VAR_ENTRY(gidx++).var_name) == NULL
|
|
|
1590 && gidx < variables.ga_len)
|
|
|
1591 /* skip */;
|
|
|
1592 if (name != NULL)
|
|
|
1593 {
|
|
|
1594 if (STRNCMP("g:", xp->xp_pattern, 2) == 0)
|
|
|
1595 return cat_prefix_varname('g', name);
|
|
|
1596 else
|
|
|
1597 return name;
|
|
|
1598 }
|
|
|
1599 }
|
|
|
1600 if (bidx < curbuf->b_vars.ga_len) /* Current buffer variables */
|
|
|
1601 {
|
|
|
1602 while ((name = BVAR_ENTRY(bidx++).var_name) == NULL
|
|
|
1603 && bidx < curbuf->b_vars.ga_len)
|
|
|
1604 /* skip */;
|
|
|
1605 if (name != NULL)
|
|
|
1606 return cat_prefix_varname('b', name);
|
|
|
1607 }
|
|
|
1608 if (bidx == curbuf->b_vars.ga_len)
|
|
|
1609 {
|
|
|
1610 ++bidx;
|
|
|
1611 return (char_u *)"b:changedtick";
|
|
|
1612 }
|
|
|
1613 if (widx < curwin->w_vars.ga_len) /* Current window variables */
|
|
|
1614 {
|
|
|
1615 while ((name = WVAR_ENTRY(widx++).var_name) == NULL
|
|
|
1616 && widx < curwin->w_vars.ga_len)
|
|
|
1617 /* skip */;
|
|
|
1618 if (name != NULL)
|
|
|
1619 return cat_prefix_varname('w', name);
|
|
|
1620 }
|
|
|
1621 if (vidx < VV_LEN) /* Built-in variables */
|
|
|
1622 return cat_prefix_varname('v', (char_u *)vimvars[vidx++].name);
|
|
|
1623
|
|
|
1624 vim_free(varnamebuf);
|
|
|
1625 varnamebuf = NULL;
|
|
|
1626 varnamebuflen = 0;
|
|
|
1627 return NULL;
|
|
|
1628 }
|
|
|
1629
|
|
|
1630 #endif /* FEAT_CMDL_COMPL */
|
|
|
1631
|
|
|
1632 /*
|
|
|
1633 * types for expressions.
|
|
|
1634 */
|
|
|
1635 typedef enum
|
|
|
1636 {
|
|
|
1637 TYPE_UNKNOWN = 0
|
|
|
1638 , TYPE_EQUAL /* == */
|
|
|
1639 , TYPE_NEQUAL /* != */
|
|
|
1640 , TYPE_GREATER /* > */
|
|
|
1641 , TYPE_GEQUAL /* >= */
|
|
|
1642 , TYPE_SMALLER /* < */
|
|
|
1643 , TYPE_SEQUAL /* <= */
|
|
|
1644 , TYPE_MATCH /* =~ */
|
|
|
1645 , TYPE_NOMATCH /* !~ */
|
|
|
1646 } exptype_T;
|
|
|
1647
|
|
|
1648 /*
|
|
|
1649 * The "evaluate" argument: When FALSE, the argument is only parsed but not
|
|
|
1650 * executed. The function may return OK, but the retvar will be of type
|
|
|
1651 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
|
|
|
1652 */
|
|
|
1653
|
|
|
1654 /*
|
|
|
1655 * Handle zero level expression.
|
|
|
1656 * This calls eval1() and handles error message and nextcmd.
|
|
|
1657 * Return OK or FAIL.
|
|
|
1658 */
|
|
|
1659 static int
|
|
|
1660 eval0(arg, retvar, nextcmd, evaluate)
|
|
|
1661 char_u *arg;
|
|
|
1662 VAR retvar;
|
|
|
1663 char_u **nextcmd;
|
|
|
1664 int evaluate;
|
|
|
1665 {
|
|
|
1666 int ret;
|
|
|
1667 char_u *p;
|
|
|
1668
|
|
|
1669 p = skipwhite(arg);
|
|
|
1670 ret = eval1(&p, retvar, evaluate);
|
|
|
1671 if (ret == FAIL || !ends_excmd(*p))
|
|
|
1672 {
|
|
|
1673 if (ret != FAIL)
|
|
|
1674 clear_var(retvar);
|
|
|
1675 /*
|
|
|
1676 * Report the invalid expression unless the expression evaluation has
|
|
|
1677 * been cancelled due to an aborting error, an interrupt, or an
|
|
|
1678 * exception.
|
|
|
1679 */
|
|
|
1680 if (!aborting())
|
|
|
1681 EMSG2(_(e_invexpr2), arg);
|
|
|
1682 ret = FAIL;
|
|
|
1683 }
|
|
|
1684 if (nextcmd != NULL)
|
|
|
1685 *nextcmd = check_nextcmd(p);
|
|
|
1686
|
|
|
1687 return ret;
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 /*
|
|
|
1691 * Handle top level expression:
|
|
|
1692 * expr1 ? expr0 : expr0
|
|
|
1693 *
|
|
|
1694 * "arg" must point to the first non-white of the expression.
|
|
|
1695 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1696 *
|
|
|
1697 * Return OK or FAIL.
|
|
|
1698 */
|
|
|
1699 static int
|
|
|
1700 eval1(arg, retvar, evaluate)
|
|
|
1701 char_u **arg;
|
|
|
1702 VAR retvar;
|
|
|
1703 int evaluate;
|
|
|
1704 {
|
|
|
1705 int result;
|
|
|
1706 var var2;
|
|
|
1707
|
|
|
1708 /*
|
|
|
1709 * Get the first variable.
|
|
|
1710 */
|
|
|
1711 if (eval2(arg, retvar, evaluate) == FAIL)
|
|
|
1712 return FAIL;
|
|
|
1713
|
|
|
1714 if ((*arg)[0] == '?')
|
|
|
1715 {
|
|
|
1716 result = FALSE;
|
|
|
1717 if (evaluate)
|
|
|
1718 {
|
|
|
1719 if (get_var_number(retvar) != 0)
|
|
|
1720 result = TRUE;
|
|
|
1721 clear_var(retvar);
|
|
|
1722 }
|
|
|
1723
|
|
|
1724 /*
|
|
|
1725 * Get the second variable.
|
|
|
1726 */
|
|
|
1727 *arg = skipwhite(*arg + 1);
|
|
|
1728 if (eval1(arg, retvar, evaluate && result) == FAIL) /* recursive! */
|
|
|
1729 return FAIL;
|
|
|
1730
|
|
|
1731 /*
|
|
|
1732 * Check for the ":".
|
|
|
1733 */
|
|
|
1734 if ((*arg)[0] != ':')
|
|
|
1735 {
|
|
|
1736 EMSG(_("E109: Missing ':' after '?'"));
|
|
|
1737 if (evaluate && result)
|
|
|
1738 clear_var(retvar);
|
|
|
1739 return FAIL;
|
|
|
1740 }
|
|
|
1741
|
|
|
1742 /*
|
|
|
1743 * Get the third variable.
|
|
|
1744 */
|
|
|
1745 *arg = skipwhite(*arg + 1);
|
|
|
1746 if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */
|
|
|
1747 {
|
|
|
1748 if (evaluate && result)
|
|
|
1749 clear_var(retvar);
|
|
|
1750 return FAIL;
|
|
|
1751 }
|
|
|
1752 if (evaluate && !result)
|
|
|
1753 *retvar = var2;
|
|
|
1754 }
|
|
|
1755
|
|
|
1756 return OK;
|
|
|
1757 }
|
|
|
1758
|
|
|
1759 /*
|
|
|
1760 * Handle first level expression:
|
|
|
1761 * expr2 || expr2 || expr2 logical OR
|
|
|
1762 *
|
|
|
1763 * "arg" must point to the first non-white of the expression.
|
|
|
1764 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1765 *
|
|
|
1766 * Return OK or FAIL.
|
|
|
1767 */
|
|
|
1768 static int
|
|
|
1769 eval2(arg, retvar, evaluate)
|
|
|
1770 char_u **arg;
|
|
|
1771 VAR retvar;
|
|
|
1772 int evaluate;
|
|
|
1773 {
|
|
|
1774 var var2;
|
|
|
1775 long result;
|
|
|
1776 int first;
|
|
|
1777
|
|
|
1778 /*
|
|
|
1779 * Get the first variable.
|
|
|
1780 */
|
|
|
1781 if (eval3(arg, retvar, evaluate) == FAIL)
|
|
|
1782 return FAIL;
|
|
|
1783
|
|
|
1784 /*
|
|
|
1785 * Repeat until there is no following "||".
|
|
|
1786 */
|
|
|
1787 first = TRUE;
|
|
|
1788 result = FALSE;
|
|
|
1789 while ((*arg)[0] == '|' && (*arg)[1] == '|')
|
|
|
1790 {
|
|
|
1791 if (evaluate && first)
|
|
|
1792 {
|
|
|
1793 if (get_var_number(retvar) != 0)
|
|
|
1794 result = TRUE;
|
|
|
1795 clear_var(retvar);
|
|
|
1796 first = FALSE;
|
|
|
1797 }
|
|
|
1798
|
|
|
1799 /*
|
|
|
1800 * Get the second variable.
|
|
|
1801 */
|
|
|
1802 *arg = skipwhite(*arg + 2);
|
|
|
1803 if (eval3(arg, &var2, evaluate && !result) == FAIL)
|
|
|
1804 return FAIL;
|
|
|
1805
|
|
|
1806 /*
|
|
|
1807 * Compute the result.
|
|
|
1808 */
|
|
|
1809 if (evaluate && !result)
|
|
|
1810 {
|
|
|
1811 if (get_var_number(&var2) != 0)
|
|
|
1812 result = TRUE;
|
|
|
1813 clear_var(&var2);
|
|
|
1814 }
|
|
|
1815 if (evaluate)
|
|
|
1816 {
|
|
|
1817 retvar->var_type = VAR_NUMBER;
|
|
|
1818 retvar->var_val.var_number = result;
|
|
|
1819 }
|
|
|
1820 }
|
|
|
1821
|
|
|
1822 return OK;
|
|
|
1823 }
|
|
|
1824
|
|
|
1825 /*
|
|
|
1826 * Handle second level expression:
|
|
|
1827 * expr3 && expr3 && expr3 logical AND
|
|
|
1828 *
|
|
|
1829 * "arg" must point to the first non-white of the expression.
|
|
|
1830 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1831 *
|
|
|
1832 * Return OK or FAIL.
|
|
|
1833 */
|
|
|
1834 static int
|
|
|
1835 eval3(arg, retvar, evaluate)
|
|
|
1836 char_u **arg;
|
|
|
1837 VAR retvar;
|
|
|
1838 int evaluate;
|
|
|
1839 {
|
|
|
1840 var var2;
|
|
|
1841 long result;
|
|
|
1842 int first;
|
|
|
1843
|
|
|
1844 /*
|
|
|
1845 * Get the first variable.
|
|
|
1846 */
|
|
|
1847 if (eval4(arg, retvar, evaluate) == FAIL)
|
|
|
1848 return FAIL;
|
|
|
1849
|
|
|
1850 /*
|
|
|
1851 * Repeat until there is no following "&&".
|
|
|
1852 */
|
|
|
1853 first = TRUE;
|
|
|
1854 result = TRUE;
|
|
|
1855 while ((*arg)[0] == '&' && (*arg)[1] == '&')
|
|
|
1856 {
|
|
|
1857 if (evaluate && first)
|
|
|
1858 {
|
|
|
1859 if (get_var_number(retvar) == 0)
|
|
|
1860 result = FALSE;
|
|
|
1861 clear_var(retvar);
|
|
|
1862 first = FALSE;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 /*
|
|
|
1866 * Get the second variable.
|
|
|
1867 */
|
|
|
1868 *arg = skipwhite(*arg + 2);
|
|
|
1869 if (eval4(arg, &var2, evaluate && result) == FAIL)
|
|
|
1870 return FAIL;
|
|
|
1871
|
|
|
1872 /*
|
|
|
1873 * Compute the result.
|
|
|
1874 */
|
|
|
1875 if (evaluate && result)
|
|
|
1876 {
|
|
|
1877 if (get_var_number(&var2) == 0)
|
|
|
1878 result = FALSE;
|
|
|
1879 clear_var(&var2);
|
|
|
1880 }
|
|
|
1881 if (evaluate)
|
|
|
1882 {
|
|
|
1883 retvar->var_type = VAR_NUMBER;
|
|
|
1884 retvar->var_val.var_number = result;
|
|
|
1885 }
|
|
|
1886 }
|
|
|
1887
|
|
|
1888 return OK;
|
|
|
1889 }
|
|
|
1890
|
|
|
1891 /*
|
|
|
1892 * Handle third level expression:
|
|
|
1893 * var1 == var2
|
|
|
1894 * var1 =~ var2
|
|
|
1895 * var1 != var2
|
|
|
1896 * var1 !~ var2
|
|
|
1897 * var1 > var2
|
|
|
1898 * var1 >= var2
|
|
|
1899 * var1 < var2
|
|
|
1900 * var1 <= var2
|
|
|
1901 *
|
|
|
1902 * "arg" must point to the first non-white of the expression.
|
|
|
1903 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
1904 *
|
|
|
1905 * Return OK or FAIL.
|
|
|
1906 */
|
|
|
1907 static int
|
|
|
1908 eval4(arg, retvar, evaluate)
|
|
|
1909 char_u **arg;
|
|
|
1910 VAR retvar;
|
|
|
1911 int evaluate;
|
|
|
1912 {
|
|
|
1913 var var2;
|
|
|
1914 char_u *p;
|
|
|
1915 int i;
|
|
|
1916 exptype_T type = TYPE_UNKNOWN;
|
|
|
1917 int len = 2;
|
|
|
1918 long n1, n2;
|
|
|
1919 char_u *s1, *s2;
|
|
|
1920 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
1921 regmatch_T regmatch;
|
|
|
1922 int ic;
|
|
|
1923 char_u *save_cpo;
|
|
|
1924
|
|
|
1925 /*
|
|
|
1926 * Get the first variable.
|
|
|
1927 */
|
|
|
1928 if (eval5(arg, retvar, evaluate) == FAIL)
|
|
|
1929 return FAIL;
|
|
|
1930
|
|
|
1931 p = *arg;
|
|
|
1932 switch (p[0])
|
|
|
1933 {
|
|
|
1934 case '=': if (p[1] == '=')
|
|
|
1935 type = TYPE_EQUAL;
|
|
|
1936 else if (p[1] == '~')
|
|
|
1937 type = TYPE_MATCH;
|
|
|
1938 break;
|
|
|
1939 case '!': if (p[1] == '=')
|
|
|
1940 type = TYPE_NEQUAL;
|
|
|
1941 else if (p[1] == '~')
|
|
|
1942 type = TYPE_NOMATCH;
|
|
|
1943 break;
|
|
|
1944 case '>': if (p[1] != '=')
|
|
|
1945 {
|
|
|
1946 type = TYPE_GREATER;
|
|
|
1947 len = 1;
|
|
|
1948 }
|
|
|
1949 else
|
|
|
1950 type = TYPE_GEQUAL;
|
|
|
1951 break;
|
|
|
1952 case '<': if (p[1] != '=')
|
|
|
1953 {
|
|
|
1954 type = TYPE_SMALLER;
|
|
|
1955 len = 1;
|
|
|
1956 }
|
|
|
1957 else
|
|
|
1958 type = TYPE_SEQUAL;
|
|
|
1959 break;
|
|
|
1960 }
|
|
|
1961
|
|
|
1962 /*
|
|
|
1963 * If there is a comparitive operator, use it.
|
|
|
1964 */
|
|
|
1965 if (type != TYPE_UNKNOWN)
|
|
|
1966 {
|
|
|
1967 /* extra question mark appended: ignore case */
|
|
|
1968 if (p[len] == '?')
|
|
|
1969 {
|
|
|
1970 ic = TRUE;
|
|
|
1971 ++len;
|
|
|
1972 }
|
|
|
1973 /* extra '#' appended: match case */
|
|
|
1974 else if (p[len] == '#')
|
|
|
1975 {
|
|
|
1976 ic = FALSE;
|
|
|
1977 ++len;
|
|
|
1978 }
|
|
|
1979 /* nothing appened: use 'ignorecase' */
|
|
|
1980 else
|
|
|
1981 ic = p_ic;
|
|
|
1982
|
|
|
1983 /*
|
|
|
1984 * Get the second variable.
|
|
|
1985 */
|
|
|
1986 *arg = skipwhite(p + len);
|
|
|
1987 if (eval5(arg, &var2, evaluate) == FAIL)
|
|
|
1988 {
|
|
|
1989 clear_var(retvar);
|
|
|
1990 return FAIL;
|
|
|
1991 }
|
|
|
1992
|
|
|
1993 if (evaluate)
|
|
|
1994 {
|
|
|
1995 /*
|
|
|
1996 * If one of the two variables is a number, compare as a number.
|
|
|
1997 * When using "=~" or "!~", always compare as string.
|
|
|
1998 */
|
|
|
1999 if ((retvar->var_type == VAR_NUMBER || var2.var_type == VAR_NUMBER)
|
|
|
2000 && type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2001 {
|
|
|
2002 n1 = get_var_number(retvar);
|
|
|
2003 n2 = get_var_number(&var2);
|
|
|
2004 switch (type)
|
|
|
2005 {
|
|
|
2006 case TYPE_EQUAL: n1 = (n1 == n2); break;
|
|
|
2007 case TYPE_NEQUAL: n1 = (n1 != n2); break;
|
|
|
2008 case TYPE_GREATER: n1 = (n1 > n2); break;
|
|
|
2009 case TYPE_GEQUAL: n1 = (n1 >= n2); break;
|
|
|
2010 case TYPE_SMALLER: n1 = (n1 < n2); break;
|
|
|
2011 case TYPE_SEQUAL: n1 = (n1 <= n2); break;
|
|
|
2012 case TYPE_UNKNOWN:
|
|
|
2013 case TYPE_MATCH:
|
|
|
2014 case TYPE_NOMATCH: break; /* avoid gcc warning */
|
|
|
2015 }
|
|
|
2016 }
|
|
|
2017 else
|
|
|
2018 {
|
|
|
2019 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2020 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2021 if (type != TYPE_MATCH && type != TYPE_NOMATCH)
|
|
|
2022 i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2);
|
|
|
2023 else
|
|
|
2024 i = 0;
|
|
|
2025 n1 = FALSE;
|
|
|
2026 switch (type)
|
|
|
2027 {
|
|
|
2028 case TYPE_EQUAL: n1 = (i == 0); break;
|
|
|
2029 case TYPE_NEQUAL: n1 = (i != 0); break;
|
|
|
2030 case TYPE_GREATER: n1 = (i > 0); break;
|
|
|
2031 case TYPE_GEQUAL: n1 = (i >= 0); break;
|
|
|
2032 case TYPE_SMALLER: n1 = (i < 0); break;
|
|
|
2033 case TYPE_SEQUAL: n1 = (i <= 0); break;
|
|
|
2034
|
|
|
2035 case TYPE_MATCH:
|
|
|
2036 case TYPE_NOMATCH:
|
|
|
2037 /* avoid 'l' flag in 'cpoptions' */
|
|
|
2038 save_cpo = p_cpo;
|
|
|
2039 p_cpo = (char_u *)"";
|
|
|
2040 regmatch.regprog = vim_regcomp(s2,
|
|
|
2041 RE_MAGIC + RE_STRING);
|
|
|
2042 regmatch.rm_ic = ic;
|
|
|
2043 if (regmatch.regprog != NULL)
|
|
|
2044 {
|
|
|
2045 n1 = vim_regexec_nl(®match, s1, (colnr_T)0);
|
|
|
2046 vim_free(regmatch.regprog);
|
|
|
2047 if (type == TYPE_NOMATCH)
|
|
|
2048 n1 = !n1;
|
|
|
2049 }
|
|
|
2050 p_cpo = save_cpo;
|
|
|
2051 break;
|
|
|
2052
|
|
|
2053 case TYPE_UNKNOWN: break; /* avoid gcc warning */
|
|
|
2054 }
|
|
|
2055 }
|
|
|
2056 clear_var(retvar);
|
|
|
2057 clear_var(&var2);
|
|
|
2058 retvar->var_type = VAR_NUMBER;
|
|
|
2059 retvar->var_val.var_number = n1;
|
|
|
2060 }
|
|
|
2061 }
|
|
|
2062
|
|
|
2063 return OK;
|
|
|
2064 }
|
|
|
2065
|
|
|
2066 /*
|
|
|
2067 * Handle fourth level expression:
|
|
|
2068 * + number addition
|
|
|
2069 * - number subtraction
|
|
|
2070 * . string concatenation
|
|
|
2071 *
|
|
|
2072 * "arg" must point to the first non-white of the expression.
|
|
|
2073 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2074 *
|
|
|
2075 * Return OK or FAIL.
|
|
|
2076 */
|
|
|
2077 static int
|
|
|
2078 eval5(arg, retvar, evaluate)
|
|
|
2079 char_u **arg;
|
|
|
2080 VAR retvar;
|
|
|
2081 int evaluate;
|
|
|
2082 {
|
|
|
2083 var var2;
|
|
|
2084 int op;
|
|
|
2085 long n1, n2;
|
|
|
2086 char_u *s1, *s2;
|
|
|
2087 char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN];
|
|
|
2088 char_u *p;
|
|
|
2089
|
|
|
2090 /*
|
|
|
2091 * Get the first variable.
|
|
|
2092 */
|
|
|
2093 if (eval6(arg, retvar, evaluate) == FAIL)
|
|
|
2094 return FAIL;
|
|
|
2095
|
|
|
2096 /*
|
|
|
2097 * Repeat computing, until no '+', '-' or '.' is following.
|
|
|
2098 */
|
|
|
2099 for (;;)
|
|
|
2100 {
|
|
|
2101 op = **arg;
|
|
|
2102 if (op != '+' && op != '-' && op != '.')
|
|
|
2103 break;
|
|
|
2104
|
|
|
2105 /*
|
|
|
2106 * Get the second variable.
|
|
|
2107 */
|
|
|
2108 *arg = skipwhite(*arg + 1);
|
|
|
2109 if (eval6(arg, &var2, evaluate) == FAIL)
|
|
|
2110 {
|
|
|
2111 clear_var(retvar);
|
|
|
2112 return FAIL;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115 if (evaluate)
|
|
|
2116 {
|
|
|
2117 /*
|
|
|
2118 * Compute the result.
|
|
|
2119 */
|
|
|
2120 if (op == '.')
|
|
|
2121 {
|
|
|
2122 s1 = get_var_string_buf(retvar, buf1);
|
|
|
2123 s2 = get_var_string_buf(&var2, buf2);
|
|
|
2124 op = (int)STRLEN(s1);
|
|
|
2125 p = alloc((unsigned)(op + STRLEN(s2) + 1));
|
|
|
2126 if (p != NULL)
|
|
|
2127 {
|
|
|
2128 STRCPY(p, s1);
|
|
|
2129 STRCPY(p + op, s2);
|
|
|
2130 }
|
|
|
2131 clear_var(retvar);
|
|
|
2132 retvar->var_type = VAR_STRING;
|
|
|
2133 retvar->var_val.var_string = p;
|
|
|
2134 }
|
|
|
2135 else
|
|
|
2136 {
|
|
|
2137 n1 = get_var_number(retvar);
|
|
|
2138 n2 = get_var_number(&var2);
|
|
|
2139 clear_var(retvar);
|
|
|
2140 if (op == '+')
|
|
|
2141 n1 = n1 + n2;
|
|
|
2142 else
|
|
|
2143 n1 = n1 - n2;
|
|
|
2144 retvar->var_type = VAR_NUMBER;
|
|
|
2145 retvar->var_val.var_number = n1;
|
|
|
2146 }
|
|
|
2147 clear_var(&var2);
|
|
|
2148 }
|
|
|
2149 }
|
|
|
2150 return OK;
|
|
|
2151 }
|
|
|
2152
|
|
|
2153 /*
|
|
|
2154 * Handle fifth level expression:
|
|
|
2155 * * number multiplication
|
|
|
2156 * / number division
|
|
|
2157 * % number modulo
|
|
|
2158 *
|
|
|
2159 * "arg" must point to the first non-white of the expression.
|
|
|
2160 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2161 *
|
|
|
2162 * Return OK or FAIL.
|
|
|
2163 */
|
|
|
2164 static int
|
|
|
2165 eval6(arg, retvar, evaluate)
|
|
|
2166 char_u **arg;
|
|
|
2167 VAR retvar;
|
|
|
2168 int evaluate;
|
|
|
2169 {
|
|
|
2170 var var2;
|
|
|
2171 int op;
|
|
|
2172 long n1, n2;
|
|
|
2173
|
|
|
2174 /*
|
|
|
2175 * Get the first variable.
|
|
|
2176 */
|
|
|
2177 if (eval7(arg, retvar, evaluate) == FAIL)
|
|
|
2178 return FAIL;
|
|
|
2179
|
|
|
2180 /*
|
|
|
2181 * Repeat computing, until no '*', '/' or '%' is following.
|
|
|
2182 */
|
|
|
2183 for (;;)
|
|
|
2184 {
|
|
|
2185 op = **arg;
|
|
|
2186 if (op != '*' && op != '/' && op != '%')
|
|
|
2187 break;
|
|
|
2188
|
|
|
2189 if (evaluate)
|
|
|
2190 {
|
|
|
2191 n1 = get_var_number(retvar);
|
|
|
2192 clear_var(retvar);
|
|
|
2193 }
|
|
|
2194 else
|
|
|
2195 n1 = 0;
|
|
|
2196
|
|
|
2197 /*
|
|
|
2198 * Get the second variable.
|
|
|
2199 */
|
|
|
2200 *arg = skipwhite(*arg + 1);
|
|
|
2201 if (eval7(arg, &var2, evaluate) == FAIL)
|
|
|
2202 return FAIL;
|
|
|
2203
|
|
|
2204 if (evaluate)
|
|
|
2205 {
|
|
|
2206 n2 = get_var_number(&var2);
|
|
|
2207 clear_var(&var2);
|
|
|
2208
|
|
|
2209 /*
|
|
|
2210 * Compute the result.
|
|
|
2211 */
|
|
|
2212 if (op == '*')
|
|
|
2213 n1 = n1 * n2;
|
|
|
2214 else if (op == '/')
|
|
|
2215 {
|
|
|
2216 if (n2 == 0) /* give an error message? */
|
|
|
2217 n1 = 0x7fffffffL;
|
|
|
2218 else
|
|
|
2219 n1 = n1 / n2;
|
|
|
2220 }
|
|
|
2221 else
|
|
|
2222 {
|
|
|
2223 if (n2 == 0) /* give an error message? */
|
|
|
2224 n1 = 0;
|
|
|
2225 else
|
|
|
2226 n1 = n1 % n2;
|
|
|
2227 }
|
|
|
2228 retvar->var_type = VAR_NUMBER;
|
|
|
2229 retvar->var_val.var_number = n1;
|
|
|
2230 }
|
|
|
2231 }
|
|
|
2232
|
|
|
2233 return OK;
|
|
|
2234 }
|
|
|
2235
|
|
|
2236 /*
|
|
|
2237 * Handle sixth level expression:
|
|
|
2238 * number number constant
|
|
|
2239 * "string" string contstant
|
|
|
2240 * 'string' literal string contstant
|
|
|
2241 * &option-name option value
|
|
|
2242 * @r register contents
|
|
|
2243 * identifier variable value
|
|
|
2244 * function() function call
|
|
|
2245 * $VAR environment variable
|
|
|
2246 * (expression) nested expression
|
|
|
2247 *
|
|
|
2248 * Also handle:
|
|
|
2249 * ! in front logical NOT
|
|
|
2250 * - in front unary minus
|
|
|
2251 * + in front unary plus (ignored)
|
|
|
2252 * trailing [] subscript in String
|
|
|
2253 *
|
|
|
2254 * "arg" must point to the first non-white of the expression.
|
|
|
2255 * "arg" is advanced to the next non-white after the recognized expression.
|
|
|
2256 *
|
|
|
2257 * Return OK or FAIL.
|
|
|
2258 */
|
|
|
2259 static int
|
|
|
2260 eval7(arg, retvar, evaluate)
|
|
|
2261 char_u **arg;
|
|
|
2262 VAR retvar;
|
|
|
2263 int evaluate;
|
|
|
2264 {
|
|
|
2265 var var2;
|
|
|
2266 long n;
|
|
|
2267 int len;
|
|
|
2268 char_u *s;
|
|
|
2269 int val;
|
|
|
2270 char_u *start_leader, *end_leader;
|
|
|
2271 int ret = OK;
|
|
|
2272 char_u *alias;
|
|
|
2273
|
|
|
2274 /*
|
|
|
2275 * Initialise variable so that clear_var() can't mistake this for a string
|
|
|
2276 * and free a string that isn't there.
|
|
|
2277 */
|
|
|
2278 retvar->var_type = VAR_UNKNOWN;
|
|
|
2279
|
|
|
2280 /*
|
|
|
2281 * Skip '!' and '-' characters. They are handled later.
|
|
|
2282 */
|
|
|
2283 start_leader = *arg;
|
|
|
2284 while (**arg == '!' || **arg == '-' || **arg == '+')
|
|
|
2285 *arg = skipwhite(*arg + 1);
|
|
|
2286 end_leader = *arg;
|
|
|
2287
|
|
|
2288 switch (**arg)
|
|
|
2289 {
|
|
|
2290 /*
|
|
|
2291 * Number constant.
|
|
|
2292 */
|
|
|
2293 case '0':
|
|
|
2294 case '1':
|
|
|
2295 case '2':
|
|
|
2296 case '3':
|
|
|
2297 case '4':
|
|
|
2298 case '5':
|
|
|
2299 case '6':
|
|
|
2300 case '7':
|
|
|
2301 case '8':
|
|
|
2302 case '9':
|
|
|
2303 vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL);
|
|
|
2304 *arg += len;
|
|
|
2305 if (evaluate)
|
|
|
2306 {
|
|
|
2307 retvar->var_type = VAR_NUMBER;
|
|
|
2308 retvar->var_val.var_number = n;
|
|
|
2309 }
|
|
|
2310 break;
|
|
|
2311
|
|
|
2312 /*
|
|
|
2313 * String constant: "string".
|
|
|
2314 */
|
|
|
2315 case '"': ret = get_string_var(arg, retvar, evaluate);
|
|
|
2316 break;
|
|
|
2317
|
|
|
2318 /*
|
|
|
2319 * Literal string constant: 'string'.
|
|
|
2320 */
|
|
|
2321 case '\'': ret = get_lit_string_var(arg, retvar, evaluate);
|
|
|
2322 break;
|
|
|
2323
|
|
|
2324 /*
|
|
|
2325 * Option value: &name
|
|
|
2326 */
|
|
|
2327 case '&': ret = get_option_var(arg, retvar, evaluate);
|
|
|
2328 break;
|
|
|
2329
|
|
|
2330 /*
|
|
|
2331 * Environment variable: $VAR.
|
|
|
2332 */
|
|
|
2333 case '$': ret = get_env_var(arg, retvar, evaluate);
|
|
|
2334 break;
|
|
|
2335
|
|
|
2336 /*
|
|
|
2337 * Register contents: @r.
|
|
|
2338 */
|
|
|
2339 case '@': ++*arg;
|
|
|
2340 if (evaluate)
|
|
|
2341 {
|
|
|
2342 retvar->var_type = VAR_STRING;
|
|
|
2343 retvar->var_val.var_string = get_reg_contents(**arg, FALSE);
|
|
|
2344 }
|
|
|
2345 if (**arg != NUL)
|
|
|
2346 ++*arg;
|
|
|
2347 break;
|
|
|
2348
|
|
|
2349 /*
|
|
|
2350 * nested expression: (expression).
|
|
|
2351 */
|
|
|
2352 case '(': *arg = skipwhite(*arg + 1);
|
|
|
2353 ret = eval1(arg, retvar, evaluate); /* recursive! */
|
|
|
2354 if (**arg == ')')
|
|
|
2355 ++*arg;
|
|
|
2356 else if (ret == OK)
|
|
|
2357 {
|
|
|
2358 EMSG(_("E110: Missing ')'"));
|
|
|
2359 clear_var(retvar);
|
|
|
2360 ret = FAIL;
|
|
|
2361 }
|
|
|
2362 break;
|
|
|
2363
|
|
|
2364 /*
|
|
|
2365 * Must be a variable or function name then.
|
|
|
2366 */
|
|
|
2367 default: s = *arg;
|
|
|
2368 len = get_func_len(arg, &alias, evaluate);
|
|
|
2369 if (alias != NULL)
|
|
|
2370 s = alias;
|
|
|
2371
|
|
|
2372 if (len == 0)
|
|
|
2373 ret = FAIL;
|
|
|
2374 else
|
|
|
2375 {
|
|
|
2376 if (**arg == '(') /* recursive! */
|
|
|
2377 {
|
|
|
2378 ret = get_func_var(s, len, retvar, arg,
|
|
|
2379 curwin->w_cursor.lnum, curwin->w_cursor.lnum,
|
|
|
2380 &len, evaluate);
|
|
|
2381 /* Stop the expression evaluation when immediately
|
|
|
2382 * aborting on error, or when an interrupt occurred or
|
|
|
2383 * an exception was thrown but not caught. */
|
|
|
2384 if (aborting())
|
|
|
2385 {
|
|
|
2386 if (ret == OK)
|
|
|
2387 clear_var(retvar);
|
|
|
2388 ret = FAIL;
|
|
|
2389 }
|
|
|
2390 }
|
|
|
2391 else if (evaluate)
|
|
|
2392 ret = get_var_var(s, len, retvar);
|
|
|
2393 }
|
|
|
2394
|
|
|
2395 if (alias != NULL)
|
|
|
2396 vim_free(alias);
|
|
|
2397
|
|
|
2398 break;
|
|
|
2399 }
|
|
|
2400 *arg = skipwhite(*arg);
|
|
|
2401
|
|
|
2402 /*
|
|
|
2403 * Handle expr[expr] subscript.
|
|
|
2404 */
|
|
|
2405 if (**arg == '[' && ret == OK)
|
|
|
2406 {
|
|
|
2407 /*
|
|
|
2408 * Get the variable from inside the [].
|
|
|
2409 */
|
|
|
2410 *arg = skipwhite(*arg + 1);
|
|
|
2411 if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */
|
|
|
2412 {
|
|
|
2413 clear_var(retvar);
|
|
|
2414 return FAIL;
|
|
|
2415 }
|
|
|
2416
|
|
|
2417 /* Check for the ']'. */
|
|
|
2418 if (**arg != ']')
|
|
|
2419 {
|
|
|
2420 EMSG(_("E111: Missing ']'"));
|
|
|
2421 clear_var(retvar);
|
|
|
2422 clear_var(&var2);
|
|
|
2423 return FAIL;
|
|
|
2424 }
|
|
|
2425
|
|
|
2426 if (evaluate)
|
|
|
2427 {
|
|
|
2428 n = get_var_number(&var2);
|
|
|
2429 clear_var(&var2);
|
|
|
2430
|
|
|
2431 /*
|
|
|
2432 * The resulting variable is a string of a single character.
|
|
|
2433 * If the index is too big or negative, the result is empty.
|
|
|
2434 */
|
|
|
2435 s = get_var_string(retvar);
|
|
|
2436 if (n >= (long)STRLEN(s) || n < 0)
|
|
|
2437 s = NULL;
|
|
|
2438 else
|
|
|
2439 s = vim_strnsave(s + n, 1);
|
|
|
2440 clear_var(retvar);
|
|
|
2441 retvar->var_type = VAR_STRING;
|
|
|
2442 retvar->var_val.var_string = s;
|
|
|
2443 }
|
|
|
2444 *arg = skipwhite(*arg + 1); /* skip the ']' */
|
|
|
2445 }
|
|
|
2446
|
|
|
2447 /*
|
|
|
2448 * Apply logical NOT and unary '-', from right to left, ignore '+'.
|
|
|
2449 */
|
|
|
2450 if (ret == OK && evaluate && end_leader > start_leader)
|
|
|
2451 {
|
|
|
2452 val = get_var_number(retvar);
|
|
|
2453 while (end_leader > start_leader)
|
|
|
2454 {
|
|
|
2455 --end_leader;
|
|
|
2456 if (*end_leader == '!')
|
|
|
2457 val = !val;
|
|
|
2458 else if (*end_leader == '-')
|
|
|
2459 val = -val;
|
|
|
2460 }
|
|
|
2461 clear_var(retvar);
|
|
|
2462 retvar->var_type = VAR_NUMBER;
|
|
|
2463 retvar->var_val.var_number = val;
|
|
|
2464 }
|
|
|
2465
|
|
|
2466 return ret;
|
|
|
2467 }
|
|
|
2468
|
|
|
2469 /*
|
|
|
2470 * Get an option value.
|
|
|
2471 * "arg" points to the '&' or '+' before the option name.
|
|
|
2472 * "arg" is advanced to character after the option name.
|
|
|
2473 * Return OK or FAIL.
|
|
|
2474 */
|
|
|
2475 static int
|
|
|
2476 get_option_var(arg, retvar, evaluate)
|
|
|
2477 char_u **arg;
|
|
|
2478 VAR retvar; /* when NULL, only check if option exists */
|
|
|
2479 int evaluate;
|
|
|
2480 {
|
|
|
2481 char_u *option_end;
|
|
|
2482 long numval;
|
|
|
2483 char_u *stringval;
|
|
|
2484 int opt_type;
|
|
|
2485 int c;
|
|
|
2486 int working = (**arg == '+'); /* has("+option") */
|
|
|
2487 int ret = OK;
|
|
|
2488 int opt_flags;
|
|
|
2489
|
|
|
2490 /*
|
|
|
2491 * Isolate the option name and find its value.
|
|
|
2492 */
|
|
|
2493 option_end = find_option_end(arg, &opt_flags);
|
|
|
2494 if (option_end == NULL)
|
|
|
2495 {
|
|
|
2496 if (retvar != NULL)
|
|
|
2497 EMSG2(_("E112: Option name missing: %s"), *arg);
|
|
|
2498 return FAIL;
|
|
|
2499 }
|
|
|
2500
|
|
|
2501 if (!evaluate)
|
|
|
2502 {
|
|
|
2503 *arg = option_end;
|
|
|
2504 return OK;
|
|
|
2505 }
|
|
|
2506
|
|
|
2507 c = *option_end;
|
|
|
2508 *option_end = NUL;
|
|
|
2509 opt_type = get_option_value(*arg, &numval,
|
|
|
2510 retvar == NULL ? NULL : &stringval, opt_flags);
|
|
|
2511
|
|
|
2512 if (opt_type == -3) /* invalid name */
|
|
|
2513 {
|
|
|
2514 if (retvar != NULL)
|
|
|
2515 EMSG2(_("E113: Unknown option: %s"), *arg);
|
|
|
2516 ret = FAIL;
|
|
|
2517 }
|
|
|
2518 else if (retvar != NULL)
|
|
|
2519 {
|
|
|
2520 if (opt_type == -2) /* hidden string option */
|
|
|
2521 {
|
|
|
2522 retvar->var_type = VAR_STRING;
|
|
|
2523 retvar->var_val.var_string = NULL;
|
|
|
2524 }
|
|
|
2525 else if (opt_type == -1) /* hidden number option */
|
|
|
2526 {
|
|
|
2527 retvar->var_type = VAR_NUMBER;
|
|
|
2528 retvar->var_val.var_number = 0;
|
|
|
2529 }
|
|
|
2530 else if (opt_type == 1) /* number option */
|
|
|
2531 {
|
|
|
2532 retvar->var_type = VAR_NUMBER;
|
|
|
2533 retvar->var_val.var_number = numval;
|
|
|
2534 }
|
|
|
2535 else /* string option */
|
|
|
2536 {
|
|
|
2537 retvar->var_type = VAR_STRING;
|
|
|
2538 retvar->var_val.var_string = stringval;
|
|
|
2539 }
|
|
|
2540 }
|
|
|
2541 else if (working && (opt_type == -2 || opt_type == -1))
|
|
|
2542 ret = FAIL;
|
|
|
2543
|
|
|
2544 *option_end = c; /* put back for error messages */
|
|
|
2545 *arg = option_end;
|
|
|
2546
|
|
|
2547 return ret;
|
|
|
2548 }
|
|
|
2549
|
|
|
2550 /*
|
|
|
2551 * Allocate a variable for a string constant.
|
|
|
2552 * Return OK or FAIL.
|
|
|
2553 */
|
|
|
2554 static int
|
|
|
2555 get_string_var(arg, retvar, evaluate)
|
|
|
2556 char_u **arg;
|
|
|
2557 VAR retvar;
|
|
|
2558 int evaluate;
|
|
|
2559 {
|
|
|
2560 char_u *p;
|
|
|
2561 char_u *name;
|
|
|
2562 int i;
|
|
|
2563 int extra = 0;
|
|
|
2564
|
|
|
2565 /*
|
|
|
2566 * Find the end of the string, skipping backslashed characters.
|
|
|
2567 */
|
|
|
2568 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2569 {
|
|
|
2570 if (*p == '\\' && p[1] != NUL)
|
|
|
2571 {
|
|
|
2572 ++p;
|
|
|
2573 /* A "\<x>" form occupies at least 4 characters, and produces up
|
|
|
2574 * to 6 characters: reserve space for 2 extra */
|
|
|
2575 if (*p == '<')
|
|
|
2576 extra += 2;
|
|
|
2577 }
|
|
|
2578 #ifdef FEAT_MBYTE
|
|
|
2579 if (has_mbyte)
|
|
|
2580 p += (*mb_ptr2len_check)(p) - 1;
|
|
|
2581 #endif
|
|
|
2582 }
|
|
|
2583
|
|
|
2584 if (*p != '"')
|
|
|
2585 {
|
|
|
2586 EMSG2(_("E114: Missing quote: %s"), *arg);
|
|
|
2587 return FAIL;
|
|
|
2588 }
|
|
|
2589
|
|
|
2590 /* If only parsing, set *arg and return here */
|
|
|
2591 if (!evaluate)
|
|
|
2592 {
|
|
|
2593 *arg = p + 1;
|
|
|
2594 return OK;
|
|
|
2595 }
|
|
|
2596
|
|
|
2597 /*
|
|
|
2598 * Copy the string into allocated memory, handling backslashed
|
|
|
2599 * characters.
|
|
|
2600 */
|
|
|
2601 name = alloc((unsigned)(p - *arg + extra));
|
|
|
2602 if (name == NULL)
|
|
|
2603 return FAIL;
|
|
|
2604
|
|
|
2605 i = 0;
|
|
|
2606 for (p = *arg + 1; *p && *p != '"'; ++p)
|
|
|
2607 {
|
|
|
2608 if (*p == '\\')
|
|
|
2609 {
|
|
|
2610 switch (*++p)
|
|
|
2611 {
|
|
|
2612 case 'b': name[i++] = BS; break;
|
|
|
2613 case 'e': name[i++] = ESC; break;
|
|
|
2614 case 'f': name[i++] = FF; break;
|
|
|
2615 case 'n': name[i++] = NL; break;
|
|
|
2616 case 'r': name[i++] = CAR; break;
|
|
|
2617 case 't': name[i++] = TAB; break;
|
|
|
2618
|
|
|
2619 case 'X': /* hex: "\x1", "\x12" */
|
|
|
2620 case 'x':
|
|
|
2621 case 'u': /* Unicode: "\u0023" */
|
|
|
2622 case 'U':
|
|
|
2623 if (vim_isxdigit(p[1]))
|
|
|
2624 {
|
|
|
2625 int n, nr;
|
|
|
2626 int c = toupper(*p);
|
|
|
2627
|
|
|
2628 if (c == 'X')
|
|
|
2629 n = 2;
|
|
|
2630 else
|
|
|
2631 n = 4;
|
|
|
2632 nr = 0;
|
|
|
2633 while (--n >= 0 && vim_isxdigit(p[1]))
|
|
|
2634 {
|
|
|
2635 ++p;
|
|
|
2636 nr = (nr << 4) + hex2nr(*p);
|
|
|
2637 }
|
|
|
2638 #ifdef FEAT_MBYTE
|
|
|
2639 /* For "\u" store the number according to
|
|
|
2640 * 'encoding'. */
|
|
|
2641 if (c != 'X')
|
|
|
2642 i += (*mb_char2bytes)(nr, name + i);
|
|
|
2643 else
|
|
|
2644 #endif
|
|
|
2645 name[i++] = nr;
|
|
|
2646 }
|
|
|
2647 else
|
|
|
2648 name[i++] = *p;
|
|
|
2649 break;
|
|
|
2650
|
|
|
2651 /* octal: "\1", "\12", "\123" */
|
|
|
2652 case '0':
|
|
|
2653 case '1':
|
|
|
2654 case '2':
|
|
|
2655 case '3':
|
|
|
2656 case '4':
|
|
|
2657 case '5':
|
|
|
2658 case '6':
|
|
|
2659 case '7': name[i] = *p - '0';
|
|
|
2660 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2661 {
|
|
|
2662 ++p;
|
|
|
2663 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2664 if (p[1] >= '0' && p[1] <= '7')
|
|
|
2665 {
|
|
|
2666 ++p;
|
|
|
2667 name[i] = (name[i] << 3) + *p - '0';
|
|
|
2668 }
|
|
|
2669 }
|
|
|
2670 ++i;
|
|
|
2671 break;
|
|
|
2672
|
|
|
2673 /* Special key, e.g.: "\<C-W>" */
|
|
|
2674 case '<': extra = trans_special(&p, name + i, TRUE);
|
|
|
2675 if (extra != 0)
|
|
|
2676 {
|
|
|
2677 i += extra;
|
|
|
2678 --p;
|
|
|
2679 break;
|
|
|
2680 }
|
|
|
2681 /* FALLTHROUGH */
|
|
|
2682
|
|
|
2683 default: name[i++] = *p;
|
|
|
2684 break;
|
|
|
2685 }
|
|
|
2686 }
|
|
|
2687 else
|
|
|
2688 name[i++] = *p;
|
|
|
2689
|
|
|
2690 #ifdef FEAT_MBYTE
|
|
|
2691 /* For a multi-byte character copy the bytes after the first one. */
|
|
|
2692 if (has_mbyte)
|
|
|
2693 {
|
|
|
2694 int l = (*mb_ptr2len_check)(p);
|
|
|
2695
|
|
|
2696 while (--l > 0)
|
|
|
2697 name[i++] = *++p;
|
|
|
2698 }
|
|
|
2699 #endif
|
|
|
2700 }
|
|
|
2701 name[i] = NUL;
|
|
|
2702 *arg = p + 1;
|
|
|
2703
|
|
|
2704 retvar->var_type = VAR_STRING;
|
|
|
2705 retvar->var_val.var_string = name;
|
|
|
2706
|
|
|
2707 return OK;
|
|
|
2708 }
|
|
|
2709
|
|
|
2710 /*
|
|
|
2711 * Allocate a variable for an backtick-string constant.
|
|
|
2712 * Return OK or FAIL.
|
|
|
2713 */
|
|
|
2714 static int
|
|
|
2715 get_lit_string_var(arg, retvar, evaluate)
|
|
|
2716 char_u **arg;
|
|
|
2717 VAR retvar;
|
|
|
2718 int evaluate;
|
|
|
2719 {
|
|
|
2720 char_u *p;
|
|
|
2721 char_u *name;
|
|
|
2722
|
|
|
2723 /*
|
|
|
2724 * Find the end of the string.
|
|
|
2725 */
|
|
|
2726 p = vim_strchr(*arg + 1, '\'');
|
|
|
2727 if (p == NULL)
|
|
|
2728 {
|
|
|
2729 EMSG2(_("E115: Missing quote: %s"), *arg);
|
|
|
2730 return FAIL;
|
|
|
2731 }
|
|
|
2732
|
|
|
2733 if (evaluate)
|
|
|
2734 {
|
|
|
2735 /*
|
|
|
2736 * Copy the string into allocated memory.
|
|
|
2737 */
|
|
|
2738 name = vim_strnsave(*arg + 1, (int)(p - (*arg + 1)));
|
|
|
2739 if (name == NULL)
|
|
|
2740 return FAIL;
|
|
|
2741
|
|
|
2742 retvar->var_type = VAR_STRING;
|
|
|
2743 retvar->var_val.var_string = name;
|
|
|
2744 }
|
|
|
2745
|
|
|
2746 *arg = p + 1;
|
|
|
2747
|
|
|
2748 return OK;
|
|
|
2749 }
|
|
|
2750
|
|
|
2751 /*
|
|
|
2752 * Get the value of an environment variable.
|
|
|
2753 * "arg" is pointing to the '$'. It is advanced to after the name.
|
|
|
2754 * If the environment variable was not set, silently assume it is empty.
|
|
|
2755 * Always return OK.
|
|
|
2756 */
|
|
|
2757 static int
|
|
|
2758 get_env_var(arg, retvar, evaluate)
|
|
|
2759 char_u **arg;
|
|
|
2760 VAR retvar;
|
|
|
2761 int evaluate;
|
|
|
2762 {
|
|
|
2763 char_u *string = NULL;
|
|
|
2764 int len;
|
|
|
2765 int cc;
|
|
|
2766 char_u *name;
|
|
|
2767
|
|
|
2768 ++*arg;
|
|
|
2769 name = *arg;
|
|
|
2770 len = get_env_len(arg);
|
|
|
2771 if (evaluate)
|
|
|
2772 {
|
|
|
2773 if (len != 0)
|
|
|
2774 {
|
|
|
2775 cc = name[len];
|
|
|
2776 name[len] = NUL;
|
|
|
2777 /* first try mch_getenv(), fast for normal environment vars */
|
|
|
2778 string = mch_getenv(name);
|
|
|
2779 if (string != NULL && *string != NUL)
|
|
|
2780 string = vim_strsave(string);
|
|
|
2781 else
|
|
|
2782 {
|
|
|
2783 /* next try expanding things like $VIM and ${HOME} */
|
|
|
2784 string = expand_env_save(name - 1);
|
|
|
2785 if (string != NULL && *string == '$')
|
|
|
2786 {
|
|
|
2787 vim_free(string);
|
|
|
2788 string = NULL;
|
|
|
2789 }
|
|
|
2790 }
|
|
|
2791 name[len] = cc;
|
|
|
2792 }
|
|
|
2793 retvar->var_type = VAR_STRING;
|
|
|
2794 retvar->var_val.var_string = string;
|
|
|
2795 }
|
|
|
2796
|
|
|
2797 return OK;
|
|
|
2798 }
|
|
|
2799
|
|
|
2800 /*
|
|
|
2801 * Array with names and number of arguments of all internal functions
|
|
|
2802 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
|
|
|
2803 */
|
|
|
2804 static struct fst
|
|
|
2805 {
|
|
|
2806 char *f_name; /* function name */
|
|
|
2807 char f_min_argc; /* minimal number of arguments */
|
|
|
2808 char f_max_argc; /* maximal number of arguments */
|
|
|
2809 void (*f_func) __ARGS((VAR args, VAR rvar)); /* impl. function */
|
|
|
2810 } functions[] =
|
|
|
2811 {
|
|
|
2812 {"append", 2, 2, f_append},
|
|
|
2813 {"argc", 0, 0, f_argc},
|
|
|
2814 {"argidx", 0, 0, f_argidx},
|
|
|
2815 {"argv", 1, 1, f_argv},
|
|
|
2816 {"browse", 4, 4, f_browse},
|
|
|
2817 {"bufexists", 1, 1, f_bufexists},
|
|
|
2818 {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */
|
|
|
2819 {"buffer_name", 1, 1, f_bufname}, /* obsolete */
|
|
|
2820 {"buffer_number", 1, 1, f_bufnr}, /* obsolete */
|
|
|
2821 {"buflisted", 1, 1, f_buflisted},
|
|
|
2822 {"bufloaded", 1, 1, f_bufloaded},
|
|
|
2823 {"bufname", 1, 1, f_bufname},
|
|
|
2824 {"bufnr", 1, 1, f_bufnr},
|
|
|
2825 {"bufwinnr", 1, 1, f_bufwinnr},
|
|
|
2826 {"byte2line", 1, 1, f_byte2line},
|
|
18
|
2827 {"byteidx", 2, 2, f_byteidx},
|
|
7
|
2828 {"char2nr", 1, 1, f_char2nr},
|
|
|
2829 {"cindent", 1, 1, f_cindent},
|
|
|
2830 {"col", 1, 1, f_col},
|
|
|
2831 {"confirm", 1, 4, f_confirm},
|
|
|
2832 {"cscope_connection",0,3, f_cscope_connection},
|
|
|
2833 {"cursor", 2, 2, f_cursor},
|
|
|
2834 {"delete", 1, 1, f_delete},
|
|
|
2835 {"did_filetype", 0, 0, f_did_filetype},
|
|
|
2836 {"escape", 2, 2, f_escape},
|
|
|
2837 {"eventhandler", 0, 0, f_eventhandler},
|
|
|
2838 {"executable", 1, 1, f_executable},
|
|
|
2839 {"exists", 1, 1, f_exists},
|
|
|
2840 {"expand", 1, 2, f_expand},
|
|
|
2841 {"file_readable", 1, 1, f_filereadable}, /* obsolete */
|
|
|
2842 {"filereadable", 1, 1, f_filereadable},
|
|
|
2843 {"filewritable", 1, 1, f_filewritable},
|
|
19
|
2844 {"finddir", 1, 3, f_finddir},
|
|
|
2845 {"findfile", 1, 3, f_findfile},
|
|
7
|
2846 {"fnamemodify", 2, 2, f_fnamemodify},
|
|
|
2847 {"foldclosed", 1, 1, f_foldclosed},
|
|
|
2848 {"foldclosedend", 1, 1, f_foldclosedend},
|
|
|
2849 {"foldlevel", 1, 1, f_foldlevel},
|
|
|
2850 {"foldtext", 0, 0, f_foldtext},
|
|
|
2851 {"foreground", 0, 0, f_foreground},
|
|
|
2852 {"getbufvar", 2, 2, f_getbufvar},
|
|
|
2853 {"getchar", 0, 1, f_getchar},
|
|
|
2854 {"getcharmod", 0, 0, f_getcharmod},
|
|
|
2855 {"getcmdline", 0, 0, f_getcmdline},
|
|
|
2856 {"getcmdpos", 0, 0, f_getcmdpos},
|
|
|
2857 {"getcwd", 0, 0, f_getcwd},
|
|
20
|
2858 {"getfperm", 1, 1, f_getfperm},
|
|
7
|
2859 {"getfsize", 1, 1, f_getfsize},
|
|
|
2860 {"getftime", 1, 1, f_getftime},
|
|
20
|
2861 {"getftype", 1, 1, f_getftype},
|
|
7
|
2862 {"getline", 1, 1, f_getline},
|
|
|
2863 {"getreg", 0, 1, f_getreg},
|
|
|
2864 {"getregtype", 0, 1, f_getregtype},
|
|
|
2865 {"getwinposx", 0, 0, f_getwinposx},
|
|
|
2866 {"getwinposy", 0, 0, f_getwinposy},
|
|
|
2867 {"getwinvar", 2, 2, f_getwinvar},
|
|
|
2868 {"glob", 1, 1, f_glob},
|
|
|
2869 {"globpath", 2, 2, f_globpath},
|
|
|
2870 {"has", 1, 1, f_has},
|
|
|
2871 {"hasmapto", 1, 2, f_hasmapto},
|
|
|
2872 {"highlightID", 1, 1, f_hlID}, /* obsolete */
|
|
|
2873 {"highlight_exists",1, 1, f_hlexists}, /* obsolete */
|
|
|
2874 {"histadd", 2, 2, f_histadd},
|
|
|
2875 {"histdel", 1, 2, f_histdel},
|
|
|
2876 {"histget", 1, 2, f_histget},
|
|
|
2877 {"histnr", 1, 1, f_histnr},
|
|
|
2878 {"hlID", 1, 1, f_hlID},
|
|
|
2879 {"hlexists", 1, 1, f_hlexists},
|
|
|
2880 {"hostname", 0, 0, f_hostname},
|
|
|
2881 {"iconv", 3, 3, f_iconv},
|
|
|
2882 {"indent", 1, 1, f_indent},
|
|
|
2883 {"input", 1, 2, f_input},
|
|
|
2884 {"inputdialog", 1, 3, f_inputdialog},
|
|
|
2885 {"inputrestore", 0, 0, f_inputrestore},
|
|
|
2886 {"inputsave", 0, 0, f_inputsave},
|
|
|
2887 {"inputsecret", 1, 2, f_inputsecret},
|
|
|
2888 {"isdirectory", 1, 1, f_isdirectory},
|
|
|
2889 {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */
|
|
|
2890 {"libcall", 3, 3, f_libcall},
|
|
|
2891 {"libcallnr", 3, 3, f_libcallnr},
|
|
|
2892 {"line", 1, 1, f_line},
|
|
|
2893 {"line2byte", 1, 1, f_line2byte},
|
|
|
2894 {"lispindent", 1, 1, f_lispindent},
|
|
|
2895 {"localtime", 0, 0, f_localtime},
|
|
|
2896 {"maparg", 1, 2, f_maparg},
|
|
|
2897 {"mapcheck", 1, 2, f_mapcheck},
|
|
19
|
2898 {"match", 2, 4, f_match},
|
|
|
2899 {"matchend", 2, 4, f_matchend},
|
|
|
2900 {"matchstr", 2, 4, f_matchstr},
|
|
7
|
2901 {"mode", 0, 0, f_mode},
|
|
|
2902 {"nextnonblank", 1, 1, f_nextnonblank},
|
|
|
2903 {"nr2char", 1, 1, f_nr2char},
|
|
|
2904 {"prevnonblank", 1, 1, f_prevnonblank},
|
|
|
2905 {"remote_expr", 2, 3, f_remote_expr},
|
|
|
2906 {"remote_foreground", 1, 1, f_remote_foreground},
|
|
|
2907 {"remote_peek", 1, 2, f_remote_peek},
|
|
|
2908 {"remote_read", 1, 1, f_remote_read},
|
|
|
2909 {"remote_send", 2, 3, f_remote_send},
|
|
|
2910 {"rename", 2, 2, f_rename},
|
|
18
|
2911 {"repeat", 2, 2, f_repeat},
|
|
7
|
2912 {"resolve", 1, 1, f_resolve},
|
|
|
2913 {"search", 1, 2, f_search},
|
|
|
2914 {"searchpair", 3, 5, f_searchpair},
|
|
|
2915 {"server2client", 2, 2, f_server2client},
|
|
|
2916 {"serverlist", 0, 0, f_serverlist},
|
|
|
2917 {"setbufvar", 3, 3, f_setbufvar},
|
|
|
2918 {"setcmdpos", 1, 1, f_setcmdpos},
|
|
|
2919 {"setline", 2, 2, f_setline},
|
|
|
2920 {"setreg", 2, 3, f_setreg},
|
|
|
2921 {"setwinvar", 3, 3, f_setwinvar},
|
|
|
2922 {"simplify", 1, 1, f_simplify},
|
|
|
2923 #ifdef HAVE_STRFTIME
|
|
|
2924 {"strftime", 1, 2, f_strftime},
|
|
|
2925 #endif
|
|
|
2926 {"stridx", 2, 2, f_stridx},
|
|
|
2927 {"strlen", 1, 1, f_strlen},
|
|
|
2928 {"strpart", 2, 3, f_strpart},
|
|
|
2929 {"strridx", 2, 2, f_strridx},
|
|
|
2930 {"strtrans", 1, 1, f_strtrans},
|
|
|
2931 {"submatch", 1, 1, f_submatch},
|
|
|
2932 {"substitute", 4, 4, f_substitute},
|
|
|
2933 {"synID", 3, 3, f_synID},
|
|
|
2934 {"synIDattr", 2, 3, f_synIDattr},
|
|
|
2935 {"synIDtrans", 1, 1, f_synIDtrans},
|
|
|
2936 {"system", 1, 1, f_system},
|
|
|
2937 {"tempname", 0, 0, f_tempname},
|
|
|
2938 {"tolower", 1, 1, f_tolower},
|
|
|
2939 {"toupper", 1, 1, f_toupper},
|
|
15
|
2940 {"tr", 3, 3, f_tr},
|
|
7
|
2941 {"type", 1, 1, f_type},
|
|
|
2942 {"virtcol", 1, 1, f_virtcol},
|
|
|
2943 {"visualmode", 0, 1, f_visualmode},
|
|
|
2944 {"winbufnr", 1, 1, f_winbufnr},
|
|
|
2945 {"wincol", 0, 0, f_wincol},
|
|
|
2946 {"winheight", 1, 1, f_winheight},
|
|
|
2947 {"winline", 0, 0, f_winline},
|
|
20
|
2948 {"winnr", 0, 1, f_winnr},
|
|
7
|
2949 {"winrestcmd", 0, 0, f_winrestcmd},
|
|
|
2950 {"winwidth", 1, 1, f_winwidth},
|
|
|
2951 };
|
|
|
2952
|
|
|
2953 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
2954
|
|
|
2955 /*
|
|
|
2956 * Function given to ExpandGeneric() to obtain the list of internal
|
|
|
2957 * or user defined function names.
|
|
|
2958 */
|
|
|
2959 char_u *
|
|
|
2960 get_function_name(xp, idx)
|
|
|
2961 expand_T *xp;
|
|
|
2962 int idx;
|
|
|
2963 {
|
|
|
2964 static int intidx = -1;
|
|
|
2965 char_u *name;
|
|
|
2966
|
|
|
2967 if (idx == 0)
|
|
|
2968 intidx = -1;
|
|
|
2969 if (intidx < 0)
|
|
|
2970 {
|
|
|
2971 name = get_user_func_name(xp, idx);
|
|
|
2972 if (name != NULL)
|
|
|
2973 return name;
|
|
|
2974 }
|
|
|
2975 if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
|
|
|
2976 {
|
|
|
2977 STRCPY(IObuff, functions[intidx].f_name);
|
|
|
2978 STRCAT(IObuff, "(");
|
|
|
2979 if (functions[intidx].f_max_argc == 0)
|
|
|
2980 STRCAT(IObuff, ")");
|
|
|
2981 return IObuff;
|
|
|
2982 }
|
|
|
2983
|
|
|
2984 return NULL;
|
|
|
2985 }
|
|
|
2986
|
|
|
2987 /*
|
|
|
2988 * Function given to ExpandGeneric() to obtain the list of internal or
|
|
|
2989 * user defined variable or function names.
|
|
|
2990 */
|
|
|
2991 /*ARGSUSED*/
|
|
|
2992 char_u *
|
|
|
2993 get_expr_name(xp, idx)
|
|
|
2994 expand_T *xp;
|
|
|
2995 int idx;
|
|
|
2996 {
|
|
|
2997 static int intidx = -1;
|
|
|
2998 char_u *name;
|
|
|
2999
|
|
|
3000 if (idx == 0)
|
|
|
3001 intidx = -1;
|
|
|
3002 if (intidx < 0)
|
|
|
3003 {
|
|
|
3004 name = get_function_name(xp, idx);
|
|
|
3005 if (name != NULL)
|
|
|
3006 return name;
|
|
|
3007 }
|
|
|
3008 return get_user_var_name(xp, ++intidx);
|
|
|
3009 }
|
|
|
3010
|
|
|
3011 #endif /* FEAT_CMDL_COMPL */
|
|
|
3012
|
|
|
3013 /*
|
|
|
3014 * Find internal function in table above.
|
|
|
3015 * Return index, or -1 if not found
|
|
|
3016 */
|
|
|
3017 static int
|
|
|
3018 find_internal_func(name)
|
|
|
3019 char_u *name; /* name of the function */
|
|
|
3020 {
|
|
|
3021 int first = 0;
|
|
|
3022 int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
|
|
|
3023 int cmp;
|
|
|
3024 int x;
|
|
|
3025
|
|
|
3026 /*
|
|
|
3027 * Find the function name in the table. Binary search.
|
|
|
3028 */
|
|
|
3029 while (first <= last)
|
|
|
3030 {
|
|
|
3031 x = first + ((unsigned)(last - first) >> 1);
|
|
|
3032 cmp = STRCMP(name, functions[x].f_name);
|
|
|
3033 if (cmp < 0)
|
|
|
3034 last = x - 1;
|
|
|
3035 else if (cmp > 0)
|
|
|
3036 first = x + 1;
|
|
|
3037 else
|
|
|
3038 return x;
|
|
|
3039 }
|
|
|
3040 return -1;
|
|
|
3041 }
|
|
|
3042
|
|
|
3043 /*
|
|
|
3044 * Allocate a variable for the result of a function.
|
|
|
3045 * Return OK or FAIL.
|
|
|
3046 */
|
|
|
3047 static int
|
|
|
3048 get_func_var(name, len, retvar, arg, firstline, lastline, doesrange, evaluate)
|
|
|
3049 char_u *name; /* name of the function */
|
|
|
3050 int len; /* length of "name" */
|
|
|
3051 VAR retvar;
|
|
|
3052 char_u **arg; /* argument, pointing to the '(' */
|
|
|
3053 linenr_T firstline; /* first line of range */
|
|
|
3054 linenr_T lastline; /* last line of range */
|
|
|
3055 int *doesrange; /* return: function handled range */
|
|
|
3056 int evaluate;
|
|
|
3057 {
|
|
|
3058 char_u *argp;
|
|
|
3059 int ret = OK;
|
|
|
3060 #define MAX_FUNC_ARGS 20
|
|
|
3061 var argvars[MAX_FUNC_ARGS]; /* vars for arguments */
|
|
|
3062 int argcount = 0; /* number of arguments found */
|
|
|
3063
|
|
|
3064 /*
|
|
|
3065 * Get the arguments.
|
|
|
3066 */
|
|
|
3067 argp = *arg;
|
|
|
3068 while (argcount < MAX_FUNC_ARGS)
|
|
|
3069 {
|
|
|
3070 argp = skipwhite(argp + 1); /* skip the '(' or ',' */
|
|
|
3071 if (*argp == ')' || *argp == ',' || *argp == NUL)
|
|
|
3072 break;
|
|
|
3073 argvars[argcount].var_name = NULL; /* the name is not stored */
|
|
|
3074 if (eval1(&argp, &argvars[argcount], evaluate) == FAIL)
|
|
|
3075 {
|
|
|
3076 ret = FAIL;
|
|
|
3077 break;
|
|
|
3078 }
|
|
|
3079 ++argcount;
|
|
|
3080 if (*argp != ',')
|
|
|
3081 break;
|
|
|
3082 }
|
|
|
3083 if (*argp == ')')
|
|
|
3084 ++argp;
|
|
|
3085 else
|
|
|
3086 ret = FAIL;
|
|
|
3087
|
|
|
3088 if (ret == OK)
|
|
|
3089 ret = call_func(name, len, retvar, argcount, argvars,
|
|
|
3090 firstline, lastline, doesrange, evaluate);
|
|
|
3091 else if (!aborting())
|
|
|
3092 EMSG2(_("E116: Invalid arguments for function %s"), name);
|
|
|
3093
|
|
|
3094 while (--argcount >= 0)
|
|
|
3095 clear_var(&argvars[argcount]);
|
|
|
3096
|
|
|
3097 *arg = skipwhite(argp);
|
|
|
3098 return ret;
|
|
|
3099 }
|
|
|
3100
|
|
|
3101
|
|
|
3102 /*
|
|
|
3103 * Call a function with its resolved parameters
|
|
|
3104 * Return OK or FAIL.
|
|
|
3105 */
|
|
|
3106 static int
|
|
|
3107 call_func(name, len, retvar, argcount, argvars, firstline, lastline,
|
|
|
3108 doesrange, evaluate)
|
|
|
3109 char_u *name; /* name of the function */
|
|
|
3110 int len; /* length of "name" */
|
|
|
3111 VAR retvar; /* return value goes here */
|
|
|
3112 int argcount; /* number of "argvars" */
|
|
|
3113 VAR argvars; /* vars for arguments */
|
|
|
3114 linenr_T firstline; /* first line of range */
|
|
|
3115 linenr_T lastline; /* last line of range */
|
|
|
3116 int *doesrange; /* return: function handled range */
|
|
|
3117 int evaluate;
|
|
|
3118 {
|
|
|
3119 int ret = FAIL;
|
|
|
3120 static char *errors[] =
|
|
|
3121 {N_("E117: Unknown function: %s"),
|
|
|
3122 N_("E118: Too many arguments for function: %s"),
|
|
|
3123 N_("E119: Not enough arguments for function: %s"),
|
|
|
3124 N_("E120: Using <SID> not in a script context: %s"),
|
|
|
3125 };
|
|
|
3126 #define ERROR_UNKNOWN 0
|
|
|
3127 #define ERROR_TOOMANY 1
|
|
|
3128 #define ERROR_TOOFEW 2
|
|
|
3129 #define ERROR_SCRIPT 3
|
|
|
3130 #define ERROR_NONE 4
|
|
|
3131 #define ERROR_OTHER 5
|
|
|
3132 int error = ERROR_NONE;
|
|
|
3133 int i;
|
|
|
3134 int llen;
|
|
|
3135 ufunc_T *fp;
|
|
|
3136 int cc;
|
|
|
3137 #define FLEN_FIXED 40
|
|
|
3138 char_u fname_buf[FLEN_FIXED + 1];
|
|
|
3139 char_u *fname;
|
|
|
3140
|
|
|
3141 /*
|
|
|
3142 * In a script change <SID>name() and s:name() to K_SNR 123_name().
|
|
|
3143 * Change <SNR>123_name() to K_SNR 123_name().
|
|
|
3144 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
|
|
|
3145 */
|
|
|
3146 cc = name[len];
|
|
|
3147 name[len] = NUL;
|
|
|
3148 llen = eval_fname_script(name);
|
|
|
3149 if (llen > 0)
|
|
|
3150 {
|
|
|
3151 fname_buf[0] = K_SPECIAL;
|
|
|
3152 fname_buf[1] = KS_EXTRA;
|
|
|
3153 fname_buf[2] = (int)KE_SNR;
|
|
|
3154 i = 3;
|
|
|
3155 if (eval_fname_sid(name)) /* "<SID>" or "s:" */
|
|
|
3156 {
|
|
|
3157 if (current_SID <= 0)
|
|
|
3158 error = ERROR_SCRIPT;
|
|
|
3159 else
|
|
|
3160 {
|
|
|
3161 sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID);
|
|
|
3162 i = (int)STRLEN(fname_buf);
|
|
|
3163 }
|
|
|
3164 }
|
|
|
3165 if (i + STRLEN(name + llen) < FLEN_FIXED)
|
|
|
3166 {
|
|
|
3167 STRCPY(fname_buf + i, name + llen);
|
|
|
3168 fname = fname_buf;
|
|
|
3169 }
|
|
|
3170 else
|
|
|
3171 {
|
|
|
3172 fname = alloc((unsigned)(i + STRLEN(name + llen) + 1));
|
|
|
3173 if (fname == NULL)
|
|
|
3174 error = ERROR_OTHER;
|
|
|
3175 else
|
|
|
3176 {
|
|
|
3177 mch_memmove(fname, fname_buf, (size_t)i);
|
|
|
3178 STRCPY(fname + i, name + llen);
|
|
|
3179 }
|
|
|
3180 }
|
|
|
3181 }
|
|
|
3182 else
|
|
|
3183 fname = name;
|
|
|
3184
|
|
|
3185 *doesrange = FALSE;
|
|
|
3186
|
|
|
3187
|
|
|
3188 /* execute the function if no errors detected and executing */
|
|
|
3189 if (evaluate && error == ERROR_NONE)
|
|
|
3190 {
|
|
|
3191 retvar->var_type = VAR_NUMBER; /* default is number retvar */
|
|
|
3192 error = ERROR_UNKNOWN;
|
|
|
3193
|
|
|
3194 if (!ASCII_ISLOWER(fname[0]))
|
|
|
3195 {
|
|
|
3196 /*
|
|
|
3197 * User defined function.
|
|
|
3198 */
|
|
|
3199 fp = find_func(fname);
|
|
|
3200 #ifdef FEAT_AUTOCMD
|
|
|
3201 if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED,
|
|
|
3202 fname, fname, TRUE, NULL)
|
|
|
3203 #ifdef FEAT_EVAL
|
|
|
3204 && !aborting()
|
|
|
3205 #endif
|
|
|
3206 )
|
|
|
3207 {
|
|
|
3208 /* executed an autocommand, search for function again */
|
|
|
3209 fp = find_func(fname);
|
|
|
3210 }
|
|
|
3211 #endif
|
|
|
3212 if (fp != NULL)
|
|
|
3213 {
|
|
|
3214 if (fp->flags & FC_RANGE)
|
|
|
3215 *doesrange = TRUE;
|
|
|
3216 if (argcount < fp->args.ga_len)
|
|
|
3217 error = ERROR_TOOFEW;
|
|
|
3218 else if (!fp->varargs && argcount > fp->args.ga_len)
|
|
|
3219 error = ERROR_TOOMANY;
|
|
|
3220 else
|
|
|
3221 {
|
|
|
3222 /*
|
|
|
3223 * Call the user function.
|
|
|
3224 * Save and restore search patterns, script variables and
|
|
|
3225 * redo buffer.
|
|
|
3226 */
|
|
|
3227 save_search_patterns();
|
|
|
3228 saveRedobuff();
|
|
|
3229 ++fp->calls;
|
|
|
3230 call_user_func(fp, argcount, argvars, retvar,
|
|
|
3231 firstline, lastline);
|
|
|
3232 --fp->calls;
|
|
|
3233 restoreRedobuff();
|
|
|
3234 restore_search_patterns();
|
|
|
3235 error = ERROR_NONE;
|
|
|
3236 }
|
|
|
3237 }
|
|
|
3238 }
|
|
|
3239 else
|
|
|
3240 {
|
|
|
3241 /*
|
|
|
3242 * Find the function name in the table, call its implementation.
|
|
|
3243 */
|
|
|
3244 i = find_internal_func(fname);
|
|
|
3245 if (i >= 0)
|
|
|
3246 {
|
|
|
3247 if (argcount < functions[i].f_min_argc)
|
|
|
3248 error = ERROR_TOOFEW;
|
|
|
3249 else if (argcount > functions[i].f_max_argc)
|
|
|
3250 error = ERROR_TOOMANY;
|
|
|
3251 else
|
|
|
3252 {
|
|
|
3253 argvars[argcount].var_type = VAR_UNKNOWN;
|
|
|
3254 functions[i].f_func(argvars, retvar);
|
|
|
3255 error = ERROR_NONE;
|
|
|
3256 }
|
|
|
3257 }
|
|
|
3258 }
|
|
|
3259 /*
|
|
|
3260 * The function call (or "FuncUndefined" autocommand sequence) might
|
|
|
3261 * have been aborted by an error, an interrupt, or an explicitly thrown
|
|
|
3262 * exception that has not been caught so far. This situation can be
|
|
|
3263 * tested for by calling aborting(). For an error in an internal
|
|
|
3264 * function or for the "E132" error in call_user_func(), however, the
|
|
|
3265 * throw point at which the "force_abort" flag (temporarily reset by
|
|
|
3266 * emsg()) is normally updated has not been reached yet. We need to
|
|
|
3267 * update that flag first to make aborting() reliable.
|
|
|
3268 */
|
|
|
3269 update_force_abort();
|
|
|
3270 }
|
|
|
3271 if (error == ERROR_NONE)
|
|
|
3272 ret = OK;
|
|
|
3273
|
|
|
3274 /*
|
|
|
3275 * Report an error unless the argument evaluation or function call has been
|
|
|
3276 * cancelled due to an aborting error, an interrupt, or an exception.
|
|
|
3277 */
|
|
|
3278 if (error < ERROR_NONE && !aborting())
|
|
|
3279 EMSG2((char_u *)_(errors[error]), name);
|
|
|
3280
|
|
|
3281 name[len] = cc;
|
|
|
3282 if (fname != name && fname != fname_buf)
|
|
|
3283 vim_free(fname);
|
|
|
3284
|
|
|
3285 return ret;
|
|
|
3286 }
|
|
|
3287
|
|
|
3288 /*********************************************
|
|
|
3289 * Implementation of the built-in functions
|
|
|
3290 */
|
|
|
3291
|
|
|
3292 /*
|
|
|
3293 * "append(lnum, string)" function
|
|
|
3294 */
|
|
|
3295 static void
|
|
|
3296 f_append(argvars, retvar)
|
|
|
3297 VAR argvars;
|
|
|
3298 VAR retvar;
|
|
|
3299 {
|
|
|
3300 long lnum;
|
|
|
3301
|
|
|
3302 lnum = get_var_lnum(argvars);
|
|
|
3303 retvar->var_val.var_number = 1; /* Default: Failed */
|
|
|
3304
|
|
|
3305 if (lnum >= 0
|
|
|
3306 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
3307 && u_save(lnum, lnum + 1) == OK)
|
|
|
3308 {
|
|
|
3309 ml_append(lnum, get_var_string(&argvars[1]), (colnr_T)0, FALSE);
|
|
|
3310 if (curwin->w_cursor.lnum > lnum)
|
|
|
3311 ++curwin->w_cursor.lnum;
|
|
|
3312 appended_lines_mark(lnum, 1L);
|
|
|
3313 retvar->var_val.var_number = 0;
|
|
|
3314 }
|
|
|
3315 }
|
|
|
3316
|
|
|
3317 /*
|
|
|
3318 * "argc()" function
|
|
|
3319 */
|
|
|
3320 /* ARGSUSED */
|
|
|
3321 static void
|
|
|
3322 f_argc(argvars, retvar)
|
|
|
3323 VAR argvars;
|
|
|
3324 VAR retvar;
|
|
|
3325 {
|
|
|
3326 retvar->var_val.var_number = ARGCOUNT;
|
|
|
3327 }
|
|
|
3328
|
|
|
3329 /*
|
|
|
3330 * "argidx()" function
|
|
|
3331 */
|
|
|
3332 /* ARGSUSED */
|
|
|
3333 static void
|
|
|
3334 f_argidx(argvars, retvar)
|
|
|
3335 VAR argvars;
|
|
|
3336 VAR retvar;
|
|
|
3337 {
|
|
|
3338 retvar->var_val.var_number = curwin->w_arg_idx;
|
|
|
3339 }
|
|
|
3340
|
|
|
3341 /*
|
|
|
3342 * "argv(nr)" function
|
|
|
3343 */
|
|
|
3344 static void
|
|
|
3345 f_argv(argvars, retvar)
|
|
|
3346 VAR argvars;
|
|
|
3347 VAR retvar;
|
|
|
3348 {
|
|
|
3349 int idx;
|
|
|
3350
|
|
|
3351 idx = get_var_number(&argvars[0]);
|
|
|
3352 if (idx >= 0 && idx < ARGCOUNT)
|
|
|
3353 retvar->var_val.var_string = vim_strsave(alist_name(&ARGLIST[idx]));
|
|
|
3354 else
|
|
|
3355 retvar->var_val.var_string = NULL;
|
|
|
3356 retvar->var_type = VAR_STRING;
|
|
|
3357 }
|
|
|
3358
|
|
|
3359 /*
|
|
|
3360 * "browse(save, title, initdir, default)" function
|
|
|
3361 */
|
|
|
3362 /* ARGSUSED */
|
|
|
3363 static void
|
|
|
3364 f_browse(argvars, retvar)
|
|
|
3365 VAR argvars;
|
|
|
3366 VAR retvar;
|
|
|
3367 {
|
|
|
3368 #ifdef FEAT_BROWSE
|
|
|
3369 int save;
|
|
|
3370 char_u *title;
|
|
|
3371 char_u *initdir;
|
|
|
3372 char_u *defname;
|
|
|
3373 char_u buf[NUMBUFLEN];
|
|
|
3374 char_u buf2[NUMBUFLEN];
|
|
|
3375
|
|
|
3376 save = get_var_number(&argvars[0]);
|
|
|
3377 title = get_var_string(&argvars[1]);
|
|
|
3378 initdir = get_var_string_buf(&argvars[2], buf);
|
|
|
3379 defname = get_var_string_buf(&argvars[3], buf2);
|
|
|
3380
|
|
|
3381 retvar->var_val.var_string =
|
|
|
3382 do_browse(save, title, defname, NULL, initdir, NULL, curbuf);
|
|
|
3383 #else
|
|
|
3384 retvar->var_val.var_string = NULL;
|
|
|
3385 #endif
|
|
|
3386 retvar->var_type = VAR_STRING;
|
|
|
3387 }
|
|
|
3388
|
|
|
3389 /*
|
|
|
3390 * Find a buffer by number or exact name.
|
|
|
3391 */
|
|
|
3392 static buf_T *
|
|
|
3393 find_buffer(avar)
|
|
|
3394 VAR avar;
|
|
|
3395 {
|
|
|
3396 buf_T *buf = NULL;
|
|
|
3397 char_u *name;
|
|
|
3398
|
|
|
3399 if (avar->var_type == VAR_NUMBER)
|
|
|
3400 buf = buflist_findnr((int)avar->var_val.var_number);
|
|
|
3401 else if (avar->var_val.var_string != NULL)
|
|
|
3402 {
|
|
|
3403 /* First make the name into a full path name */
|
|
|
3404 name = FullName_save(avar->var_val.var_string,
|
|
|
3405 #ifdef UNIX
|
|
|
3406 TRUE /* force expansion, get rid of symbolic links */
|
|
|
3407 #else
|
|
|
3408 FALSE
|
|
|
3409 #endif
|
|
|
3410 );
|
|
|
3411 if (name != NULL)
|
|
|
3412 {
|
|
|
3413 buf = buflist_findname(name);
|
|
|
3414 vim_free(name);
|
|
|
3415 }
|
|
9
|
3416 if (buf == NULL)
|
|
|
3417 {
|
|
|
3418 /* No full path name match, try a match with a URL or a "nofile"
|
|
|
3419 * buffer, these don't use the full path. */
|
|
|
3420 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
3421 if (buf->b_fname != NULL
|
|
|
3422 && (path_with_url(buf->b_fname)
|
|
|
3423 #ifdef FEAT_QUICKFIX
|
|
|
3424 || bt_nofile(buf)
|
|
|
3425 #endif
|
|
|
3426 )
|
|
|
3427 && STRCMP(buf->b_fname, avar->var_val.var_string) == 0)
|
|
|
3428 break;
|
|
|
3429 }
|
|
7
|
3430 }
|
|
|
3431 return buf;
|
|
|
3432 }
|
|
|
3433
|
|
|
3434 /*
|
|
|
3435 * "bufexists(expr)" function
|
|
|
3436 */
|
|
|
3437 static void
|
|
|
3438 f_bufexists(argvars, retvar)
|
|
|
3439 VAR argvars;
|
|
|
3440 VAR retvar;
|
|
|
3441 {
|
|
|
3442 retvar->var_val.var_number = (find_buffer(&argvars[0]) != NULL);
|
|
|
3443 }
|
|
|
3444
|
|
|
3445 /*
|
|
|
3446 * "buflisted(expr)" function
|
|
|
3447 */
|
|
|
3448 static void
|
|
|
3449 f_buflisted(argvars, retvar)
|
|
|
3450 VAR argvars;
|
|
|
3451 VAR retvar;
|
|
|
3452 {
|
|
|
3453 buf_T *buf;
|
|
|
3454
|
|
|
3455 buf = find_buffer(&argvars[0]);
|
|
|
3456 retvar->var_val.var_number = (buf != NULL && buf->b_p_bl);
|
|
|
3457 }
|
|
|
3458
|
|
|
3459 /*
|
|
|
3460 * "bufloaded(expr)" function
|
|
|
3461 */
|
|
|
3462 static void
|
|
|
3463 f_bufloaded(argvars, retvar)
|
|
|
3464 VAR argvars;
|
|
|
3465 VAR retvar;
|
|
|
3466 {
|
|
|
3467 buf_T *buf;
|
|
|
3468
|
|
|
3469 buf = find_buffer(&argvars[0]);
|
|
|
3470 retvar->var_val.var_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
|
|
|
3471 }
|
|
|
3472
|
|
|
3473 /*
|
|
|
3474 * Get buffer by number or pattern.
|
|
|
3475 */
|
|
|
3476 static buf_T *
|
|
|
3477 get_buf_var(avar)
|
|
|
3478 VAR avar;
|
|
|
3479 {
|
|
|
3480 char_u *name = avar->var_val.var_string;
|
|
|
3481 int save_magic;
|
|
|
3482 char_u *save_cpo;
|
|
|
3483 buf_T *buf;
|
|
|
3484
|
|
|
3485 if (avar->var_type == VAR_NUMBER)
|
|
|
3486 return buflist_findnr((int)avar->var_val.var_number);
|
|
|
3487 if (name == NULL || *name == NUL)
|
|
|
3488 return curbuf;
|
|
|
3489 if (name[0] == '$' && name[1] == NUL)
|
|
|
3490 return lastbuf;
|
|
|
3491
|
|
|
3492 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
|
|
|
3493 save_magic = p_magic;
|
|
|
3494 p_magic = TRUE;
|
|
|
3495 save_cpo = p_cpo;
|
|
|
3496 p_cpo = (char_u *)"";
|
|
|
3497
|
|
|
3498 buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
|
|
|
3499 TRUE, FALSE));
|
|
|
3500
|
|
|
3501 p_magic = save_magic;
|
|
|
3502 p_cpo = save_cpo;
|
|
|
3503
|
|
|
3504 /* If not found, try expanding the name, like done for bufexists(). */
|
|
|
3505 if (buf == NULL)
|
|
|
3506 buf = find_buffer(avar);
|
|
|
3507
|
|
|
3508 return buf;
|
|
|
3509 }
|
|
|
3510
|
|
|
3511 /*
|
|
|
3512 * "bufname(expr)" function
|
|
|
3513 */
|
|
|
3514 static void
|
|
|
3515 f_bufname(argvars, retvar)
|
|
|
3516 VAR argvars;
|
|
|
3517 VAR retvar;
|
|
|
3518 {
|
|
|
3519 buf_T *buf;
|
|
|
3520
|
|
|
3521 ++emsg_off;
|
|
|
3522 buf = get_buf_var(&argvars[0]);
|
|
|
3523 retvar->var_type = VAR_STRING;
|
|
|
3524 if (buf != NULL && buf->b_fname != NULL)
|
|
|
3525 retvar->var_val.var_string = vim_strsave(buf->b_fname);
|
|
|
3526 else
|
|
|
3527 retvar->var_val.var_string = NULL;
|
|
|
3528 --emsg_off;
|
|
|
3529 }
|
|
|
3530
|
|
|
3531 /*
|
|
|
3532 * "bufnr(expr)" function
|
|
|
3533 */
|
|
|
3534 static void
|
|
|
3535 f_bufnr(argvars, retvar)
|
|
|
3536 VAR argvars;
|
|
|
3537 VAR retvar;
|
|
|
3538 {
|
|
|
3539 buf_T *buf;
|
|
|
3540
|
|
|
3541 ++emsg_off;
|
|
|
3542 buf = get_buf_var(&argvars[0]);
|
|
|
3543 if (buf != NULL)
|
|
|
3544 retvar->var_val.var_number = buf->b_fnum;
|
|
|
3545 else
|
|
|
3546 retvar->var_val.var_number = -1;
|
|
|
3547 --emsg_off;
|
|
|
3548 }
|
|
|
3549
|
|
|
3550 /*
|
|
|
3551 * "bufwinnr(nr)" function
|
|
|
3552 */
|
|
|
3553 static void
|
|
|
3554 f_bufwinnr(argvars, retvar)
|
|
|
3555 VAR argvars;
|
|
|
3556 VAR retvar;
|
|
|
3557 {
|
|
|
3558 #ifdef FEAT_WINDOWS
|
|
|
3559 win_T *wp;
|
|
|
3560 int winnr = 0;
|
|
|
3561 #endif
|
|
|
3562 buf_T *buf;
|
|
|
3563
|
|
|
3564 ++emsg_off;
|
|
|
3565 buf = get_buf_var(&argvars[0]);
|
|
|
3566 #ifdef FEAT_WINDOWS
|
|
|
3567 for (wp = firstwin; wp; wp = wp->w_next)
|
|
|
3568 {
|
|
|
3569 ++winnr;
|
|
|
3570 if (wp->w_buffer == buf)
|
|
|
3571 break;
|
|
|
3572 }
|
|
|
3573 retvar->var_val.var_number = (wp != NULL ? winnr : -1);
|
|
|
3574 #else
|
|
|
3575 retvar->var_val.var_number = (curwin->w_buffer == buf ? 1 : -1);
|
|
|
3576 #endif
|
|
|
3577 --emsg_off;
|
|
|
3578 }
|
|
|
3579
|
|
|
3580 /*
|
|
|
3581 * "byte2line(byte)" function
|
|
|
3582 */
|
|
|
3583 /*ARGSUSED*/
|
|
|
3584 static void
|
|
|
3585 f_byte2line(argvars, retvar)
|
|
|
3586 VAR argvars;
|
|
|
3587 VAR retvar;
|
|
|
3588 {
|
|
|
3589 #ifndef FEAT_BYTEOFF
|
|
|
3590 retvar->var_val.var_number = -1;
|
|
|
3591 #else
|
|
|
3592 long boff = 0;
|
|
|
3593
|
|
|
3594 boff = get_var_number(&argvars[0]) - 1;
|
|
|
3595 if (boff < 0)
|
|
|
3596 retvar->var_val.var_number = -1;
|
|
|
3597 else
|
|
|
3598 retvar->var_val.var_number = ml_find_line_or_offset(curbuf,
|
|
|
3599 (linenr_T)0, &boff);
|
|
|
3600 #endif
|
|
|
3601 }
|
|
|
3602
|
|
|
3603 /*
|
|
18
|
3604 * "byteidx()" function
|
|
|
3605 */
|
|
|
3606 /*ARGSUSED*/
|
|
|
3607 static void
|
|
|
3608 f_byteidx(argvars, retvar)
|
|
|
3609 VAR argvars;
|
|
|
3610 VAR retvar;
|
|
|
3611 {
|
|
|
3612 #ifdef FEAT_MBYTE
|
|
|
3613 char_u *t;
|
|
|
3614 #endif
|
|
|
3615 char_u *str;
|
|
|
3616 long idx;
|
|
|
3617
|
|
|
3618 str = get_var_string(&argvars[0]);
|
|
|
3619 idx = get_var_number(&argvars[1]);
|
|
|
3620 retvar->var_val.var_number = -1;
|
|
|
3621 if (idx < 0)
|
|
|
3622 return;
|
|
|
3623
|
|
|
3624 #ifdef FEAT_MBYTE
|
|
|
3625 t = str;
|
|
|
3626 for ( ; idx > 0; idx--)
|
|
|
3627 {
|
|
|
3628 if (*t == NUL) /* EOL reached */
|
|
|
3629 return;
|
|
|
3630 t += mb_ptr2len_check(t);
|
|
|
3631 }
|
|
|
3632 retvar->var_val.var_number = t - str;
|
|
|
3633 #else
|
|
|
3634 if (idx <= STRLEN(str))
|
|
|
3635 retvar->var_val.var_number = idx;
|
|
|
3636 #endif
|
|
|
3637 }
|
|
|
3638
|
|
|
3639 /*
|
|
7
|
3640 * "char2nr(string)" function
|
|
|
3641 */
|
|
|
3642 static void
|
|
|
3643 f_char2nr(argvars, retvar)
|
|
|
3644 VAR argvars;
|
|
|
3645 VAR retvar;
|
|
|
3646 {
|
|
|
3647 #ifdef FEAT_MBYTE
|
|
|
3648 if (has_mbyte)
|
|
|
3649 retvar->var_val.var_number =
|
|
|
3650 (*mb_ptr2char)(get_var_string(&argvars[0]));
|
|
|
3651 else
|
|
|
3652 #endif
|
|
|
3653 retvar->var_val.var_number = get_var_string(&argvars[0])[0];
|
|
|
3654 }
|
|
|
3655
|
|
|
3656 /*
|
|
|
3657 * "cindent(lnum)" function
|
|
|
3658 */
|
|
|
3659 static void
|
|
|
3660 f_cindent(argvars, retvar)
|
|
|
3661 VAR argvars;
|
|
|
3662 VAR retvar;
|
|
|
3663 {
|
|
|
3664 #ifdef FEAT_CINDENT
|
|
|
3665 pos_T pos;
|
|
|
3666 linenr_T lnum;
|
|
|
3667
|
|
|
3668 pos = curwin->w_cursor;
|
|
|
3669 lnum = get_var_lnum(argvars);
|
|
|
3670 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3671 {
|
|
|
3672 curwin->w_cursor.lnum = lnum;
|
|
|
3673 retvar->var_val.var_number = get_c_indent();
|
|
|
3674 curwin->w_cursor = pos;
|
|
|
3675 }
|
|
|
3676 else
|
|
|
3677 #endif
|
|
|
3678 retvar->var_val.var_number = -1;
|
|
|
3679 }
|
|
|
3680
|
|
|
3681 /*
|
|
|
3682 * "col(string)" function
|
|
|
3683 */
|
|
|
3684 static void
|
|
|
3685 f_col(argvars, retvar)
|
|
|
3686 VAR argvars;
|
|
|
3687 VAR retvar;
|
|
|
3688 {
|
|
|
3689 colnr_T col = 0;
|
|
|
3690 pos_T *fp;
|
|
|
3691
|
|
|
3692 fp = var2fpos(&argvars[0], FALSE);
|
|
|
3693 if (fp != NULL)
|
|
|
3694 {
|
|
|
3695 if (fp->col == MAXCOL)
|
|
|
3696 {
|
|
|
3697 /* '> can be MAXCOL, get the length of the line then */
|
|
|
3698 if (fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
3699 col = STRLEN(ml_get(fp->lnum)) + 1;
|
|
|
3700 else
|
|
|
3701 col = MAXCOL;
|
|
|
3702 }
|
|
|
3703 else
|
|
|
3704 {
|
|
|
3705 col = fp->col + 1;
|
|
|
3706 #ifdef FEAT_VIRTUALEDIT
|
|
|
3707 /* col(".") when the cursor is on the NUL at the end of the line
|
|
|
3708 * because of "coladd" can be seen as an extra column. */
|
|
|
3709 if (virtual_active() && fp == &curwin->w_cursor)
|
|
|
3710 {
|
|
|
3711 char_u *p = ml_get_cursor();
|
|
|
3712
|
|
|
3713 if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
|
|
|
3714 curwin->w_virtcol - curwin->w_cursor.coladd))
|
|
|
3715 {
|
|
|
3716 # ifdef FEAT_MBYTE
|
|
|
3717 int l;
|
|
|
3718
|
|
|
3719 if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL)
|
|
|
3720 col += l;
|
|
|
3721 # else
|
|
|
3722 if (*p != NUL && p[1] == NUL)
|
|
|
3723 ++col;
|
|
|
3724 # endif
|
|
|
3725 }
|
|
|
3726 }
|
|
|
3727 #endif
|
|
|
3728 }
|
|
|
3729 }
|
|
|
3730 retvar->var_val.var_number = col;
|
|
|
3731 }
|
|
|
3732
|
|
|
3733 /*
|
|
|
3734 * "confirm(message, buttons[, default [, type]])" function
|
|
|
3735 */
|
|
|
3736 /*ARGSUSED*/
|
|
|
3737 static void
|
|
|
3738 f_confirm(argvars, retvar)
|
|
|
3739 VAR argvars;
|
|
|
3740 VAR retvar;
|
|
|
3741 {
|
|
|
3742 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
3743 char_u *message;
|
|
|
3744 char_u *buttons = NULL;
|
|
|
3745 char_u buf[NUMBUFLEN];
|
|
|
3746 char_u buf2[NUMBUFLEN];
|
|
|
3747 int def = 1;
|
|
|
3748 int type = VIM_GENERIC;
|
|
|
3749 int c;
|
|
|
3750
|
|
|
3751 message = get_var_string(&argvars[0]);
|
|
|
3752 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3753 {
|
|
|
3754 buttons = get_var_string_buf(&argvars[1], buf);
|
|
|
3755 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3756 {
|
|
|
3757 def = get_var_number(&argvars[2]);
|
|
|
3758 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
3759 {
|
|
|
3760 /* avoid that TOUPPER_ASC calls get_var_string_buf() twice */
|
|
|
3761 c = *get_var_string_buf(&argvars[3], buf2);
|
|
|
3762 switch (TOUPPER_ASC(c))
|
|
|
3763 {
|
|
|
3764 case 'E': type = VIM_ERROR; break;
|
|
|
3765 case 'Q': type = VIM_QUESTION; break;
|
|
|
3766 case 'I': type = VIM_INFO; break;
|
|
|
3767 case 'W': type = VIM_WARNING; break;
|
|
|
3768 case 'G': type = VIM_GENERIC; break;
|
|
|
3769 }
|
|
|
3770 }
|
|
|
3771 }
|
|
|
3772 }
|
|
|
3773
|
|
|
3774 if (buttons == NULL || *buttons == NUL)
|
|
|
3775 buttons = (char_u *)_("&Ok");
|
|
|
3776
|
|
|
3777 retvar->var_val.var_number = do_dialog(type, NULL, message, buttons,
|
|
|
3778 def, NULL);
|
|
|
3779 #else
|
|
|
3780 retvar->var_val.var_number = 0;
|
|
|
3781 #endif
|
|
|
3782 }
|
|
|
3783
|
|
|
3784
|
|
|
3785 /*
|
|
|
3786 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
|
|
|
3787 *
|
|
|
3788 * Checks the existence of a cscope connection.
|
|
|
3789 */
|
|
|
3790 /*ARGSUSED*/
|
|
|
3791 static void
|
|
|
3792 f_cscope_connection(argvars, retvar)
|
|
|
3793 VAR argvars;
|
|
|
3794 VAR retvar;
|
|
|
3795 {
|
|
|
3796 #ifdef FEAT_CSCOPE
|
|
|
3797 int num = 0;
|
|
|
3798 char_u *dbpath = NULL;
|
|
|
3799 char_u *prepend = NULL;
|
|
|
3800 char_u buf[NUMBUFLEN];
|
|
|
3801
|
|
|
3802 if (argvars[0].var_type != VAR_UNKNOWN
|
|
|
3803 && argvars[1].var_type != VAR_UNKNOWN)
|
|
|
3804 {
|
|
|
3805 num = (int)get_var_number(&argvars[0]);
|
|
|
3806 dbpath = get_var_string(&argvars[1]);
|
|
|
3807 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
3808 prepend = get_var_string_buf(&argvars[2], buf);
|
|
|
3809 }
|
|
|
3810
|
|
|
3811 retvar->var_val.var_number = cs_connection(num, dbpath, prepend);
|
|
|
3812 #else
|
|
|
3813 retvar->var_val.var_number = 0;
|
|
|
3814 #endif
|
|
|
3815 }
|
|
|
3816
|
|
|
3817 /*
|
|
|
3818 * "cursor(lnum, col)" function
|
|
|
3819 *
|
|
|
3820 * Moves the cursor to the specified line and column
|
|
|
3821 */
|
|
|
3822 /*ARGSUSED*/
|
|
|
3823 static void
|
|
|
3824 f_cursor(argvars, retvar)
|
|
|
3825 VAR argvars;
|
|
|
3826 VAR retvar;
|
|
|
3827 {
|
|
|
3828 long line, col;
|
|
|
3829
|
|
|
3830 line = get_var_lnum(argvars);
|
|
|
3831 if (line > 0)
|
|
|
3832 curwin->w_cursor.lnum = line;
|
|
|
3833 col = get_var_number(&argvars[1]);
|
|
|
3834 if (col > 0)
|
|
|
3835 curwin->w_cursor.col = col - 1;
|
|
|
3836 #ifdef FEAT_VIRTUALEDIT
|
|
|
3837 curwin->w_cursor.coladd = 0;
|
|
|
3838 #endif
|
|
|
3839
|
|
|
3840 /* Make sure the cursor is in a valid position. */
|
|
|
3841 check_cursor();
|
|
|
3842 #ifdef FEAT_MBYTE
|
|
|
3843 /* Correct cursor for multi-byte character. */
|
|
|
3844 if (has_mbyte)
|
|
|
3845 mb_adjust_cursor();
|
|
|
3846 #endif
|
|
10
|
3847
|
|
|
3848 curwin->w_set_curswant = TRUE;
|
|
7
|
3849 }
|
|
|
3850
|
|
|
3851 /*
|
|
|
3852 * "libcall()" function
|
|
|
3853 */
|
|
|
3854 static void
|
|
|
3855 f_libcall(argvars, retvar)
|
|
|
3856 VAR argvars;
|
|
|
3857 VAR retvar;
|
|
|
3858 {
|
|
|
3859 libcall_common(argvars, retvar, VAR_STRING);
|
|
|
3860 }
|
|
|
3861
|
|
|
3862 /*
|
|
|
3863 * "libcallnr()" function
|
|
|
3864 */
|
|
|
3865 static void
|
|
|
3866 f_libcallnr(argvars, retvar)
|
|
|
3867 VAR argvars;
|
|
|
3868 VAR retvar;
|
|
|
3869 {
|
|
|
3870 libcall_common(argvars, retvar, VAR_NUMBER);
|
|
|
3871 }
|
|
|
3872
|
|
|
3873 static void
|
|
|
3874 libcall_common(argvars, retvar, type)
|
|
|
3875 VAR argvars;
|
|
|
3876 VAR retvar;
|
|
|
3877 int type;
|
|
|
3878 {
|
|
|
3879 #ifdef FEAT_LIBCALL
|
|
|
3880 char_u *string_in;
|
|
|
3881 char_u **string_result;
|
|
|
3882 int nr_result;
|
|
|
3883 #endif
|
|
|
3884
|
|
|
3885 retvar->var_type = type;
|
|
|
3886 if (type == VAR_NUMBER)
|
|
|
3887 retvar->var_val.var_number = 0;
|
|
|
3888 else
|
|
|
3889 retvar->var_val.var_string = NULL;
|
|
|
3890
|
|
|
3891 if (check_restricted() || check_secure())
|
|
|
3892 return;
|
|
|
3893
|
|
|
3894 #ifdef FEAT_LIBCALL
|
|
|
3895 /* The first two args must be strings, otherwise its meaningless */
|
|
|
3896 if (argvars[0].var_type == VAR_STRING && argvars[1].var_type == VAR_STRING)
|
|
|
3897 {
|
|
|
3898 if (argvars[2].var_type == VAR_NUMBER)
|
|
|
3899 string_in = NULL;
|
|
|
3900 else
|
|
|
3901 string_in = argvars[2].var_val.var_string;
|
|
|
3902 if (type == VAR_NUMBER)
|
|
|
3903 string_result = NULL;
|
|
|
3904 else
|
|
|
3905 string_result = &retvar->var_val.var_string;
|
|
|
3906 if (mch_libcall(argvars[0].var_val.var_string,
|
|
|
3907 argvars[1].var_val.var_string,
|
|
|
3908 string_in,
|
|
|
3909 argvars[2].var_val.var_number,
|
|
|
3910 string_result,
|
|
|
3911 &nr_result) == OK
|
|
|
3912 && type == VAR_NUMBER)
|
|
|
3913 retvar->var_val.var_number = nr_result;
|
|
|
3914 }
|
|
|
3915 #endif
|
|
|
3916 }
|
|
|
3917
|
|
|
3918 /*
|
|
|
3919 * "delete()" function
|
|
|
3920 */
|
|
|
3921 static void
|
|
|
3922 f_delete(argvars, retvar)
|
|
|
3923 VAR argvars;
|
|
|
3924 VAR retvar;
|
|
|
3925 {
|
|
|
3926 if (check_restricted() || check_secure())
|
|
|
3927 retvar->var_val.var_number = -1;
|
|
|
3928 else
|
|
|
3929 retvar->var_val.var_number = mch_remove(get_var_string(&argvars[0]));
|
|
|
3930 }
|
|
|
3931
|
|
|
3932 /*
|
|
|
3933 * "did_filetype()" function
|
|
|
3934 */
|
|
|
3935 /*ARGSUSED*/
|
|
|
3936 static void
|
|
|
3937 f_did_filetype(argvars, retvar)
|
|
|
3938 VAR argvars;
|
|
|
3939 VAR retvar;
|
|
|
3940 {
|
|
|
3941 #ifdef FEAT_AUTOCMD
|
|
|
3942 retvar->var_val.var_number = did_filetype;
|
|
|
3943 #else
|
|
|
3944 retvar->var_val.var_number = 0;
|
|
|
3945 #endif
|
|
|
3946 }
|
|
|
3947
|
|
|
3948 /*
|
|
|
3949 * "escape({string}, {chars})" function
|
|
|
3950 */
|
|
|
3951 static void
|
|
|
3952 f_escape(argvars, retvar)
|
|
|
3953 VAR argvars;
|
|
|
3954 VAR retvar;
|
|
|
3955 {
|
|
|
3956 char_u buf[NUMBUFLEN];
|
|
|
3957
|
|
|
3958 retvar->var_val.var_string =
|
|
|
3959 vim_strsave_escaped(get_var_string(&argvars[0]),
|
|
|
3960 get_var_string_buf(&argvars[1], buf));
|
|
|
3961 retvar->var_type = VAR_STRING;
|
|
|
3962 }
|
|
|
3963
|
|
|
3964 /*
|
|
|
3965 * "eventhandler()" function
|
|
|
3966 */
|
|
|
3967 /*ARGSUSED*/
|
|
|
3968 static void
|
|
|
3969 f_eventhandler(argvars, retvar)
|
|
|
3970 VAR argvars;
|
|
|
3971 VAR retvar;
|
|
|
3972 {
|
|
|
3973 retvar->var_val.var_number = vgetc_busy;
|
|
|
3974 }
|
|
|
3975
|
|
|
3976 /*
|
|
|
3977 * "executable()" function
|
|
|
3978 */
|
|
|
3979 static void
|
|
|
3980 f_executable(argvars, retvar)
|
|
|
3981 VAR argvars;
|
|
|
3982 VAR retvar;
|
|
|
3983 {
|
|
|
3984 retvar->var_val.var_number = mch_can_exe(get_var_string(&argvars[0]));
|
|
|
3985 }
|
|
|
3986
|
|
|
3987 /*
|
|
|
3988 * "exists()" function
|
|
|
3989 */
|
|
|
3990 static void
|
|
|
3991 f_exists(argvars, retvar)
|
|
|
3992 VAR argvars;
|
|
|
3993 VAR retvar;
|
|
|
3994 {
|
|
|
3995 char_u *p;
|
|
|
3996 char_u *name;
|
|
|
3997 int n = FALSE;
|
|
|
3998 int len = 0;
|
|
|
3999
|
|
|
4000 p = get_var_string(&argvars[0]);
|
|
|
4001 if (*p == '$') /* environment variable */
|
|
|
4002 {
|
|
|
4003 /* first try "normal" environment variables (fast) */
|
|
|
4004 if (mch_getenv(p + 1) != NULL)
|
|
|
4005 n = TRUE;
|
|
|
4006 else
|
|
|
4007 {
|
|
|
4008 /* try expanding things like $VIM and ${HOME} */
|
|
|
4009 p = expand_env_save(p);
|
|
|
4010 if (p != NULL && *p != '$')
|
|
|
4011 n = TRUE;
|
|
|
4012 vim_free(p);
|
|
|
4013 }
|
|
|
4014 }
|
|
|
4015 else if (*p == '&' || *p == '+') /* option */
|
|
|
4016 n = (get_option_var(&p, NULL, TRUE) == OK);
|
|
|
4017 else if (*p == '*') /* internal or user defined function */
|
|
|
4018 {
|
|
|
4019 ++p;
|
|
|
4020 p = trans_function_name(&p, FALSE, TRUE);
|
|
|
4021 if (p != NULL)
|
|
|
4022 {
|
|
|
4023 if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL)
|
|
|
4024 n = (find_func(p) != NULL);
|
|
|
4025 else if (ASCII_ISLOWER(*p))
|
|
|
4026 n = (find_internal_func(p) >= 0);
|
|
|
4027 vim_free(p);
|
|
|
4028 }
|
|
|
4029 }
|
|
|
4030 else if (*p == ':')
|
|
|
4031 {
|
|
|
4032 n = cmd_exists(p + 1);
|
|
|
4033 }
|
|
|
4034 else if (*p == '#')
|
|
|
4035 {
|
|
|
4036 #ifdef FEAT_AUTOCMD
|
|
|
4037 name = p + 1;
|
|
|
4038 p = vim_strchr(name, '#');
|
|
|
4039 if (p != NULL)
|
|
|
4040 n = au_exists(name, p, p + 1);
|
|
|
4041 else
|
|
|
4042 n = au_exists(name, name + STRLEN(name), NULL);
|
|
|
4043 #endif
|
|
|
4044 }
|
|
|
4045 else /* internal variable */
|
|
|
4046 {
|
|
|
4047 #ifdef FEAT_MAGIC_BRACES
|
|
|
4048 char_u *expr_start;
|
|
|
4049 char_u *expr_end;
|
|
|
4050 char_u *temp_string = NULL;
|
|
|
4051 char_u *s;
|
|
|
4052 #endif
|
|
|
4053 name = p;
|
|
|
4054
|
|
|
4055 #ifdef FEAT_MAGIC_BRACES
|
|
|
4056 /* Find the end of the name. */
|
|
|
4057 s = find_name_end(name, &expr_start, &expr_end);
|
|
|
4058 if (expr_start != NULL)
|
|
|
4059 {
|
|
|
4060 temp_string = make_expanded_name(name, expr_start, expr_end, s);
|
|
|
4061 if (temp_string != NULL)
|
|
|
4062 {
|
|
|
4063 len = STRLEN(temp_string);
|
|
|
4064 name = temp_string;
|
|
|
4065 }
|
|
|
4066 }
|
|
|
4067 #endif
|
|
|
4068 if (len == 0)
|
|
|
4069 len = get_id_len(&p);
|
|
|
4070 if (len != 0)
|
|
|
4071 n = (get_var_var(name, len, NULL) == OK);
|
|
|
4072
|
|
|
4073 #ifdef FEAT_MAGIC_BRACES
|
|
|
4074 vim_free(temp_string);
|
|
|
4075 #endif
|
|
|
4076 }
|
|
|
4077
|
|
|
4078 retvar->var_val.var_number = n;
|
|
|
4079 }
|
|
|
4080
|
|
|
4081 /*
|
|
|
4082 * "expand()" function
|
|
|
4083 */
|
|
|
4084 static void
|
|
|
4085 f_expand(argvars, retvar)
|
|
|
4086 VAR argvars;
|
|
|
4087 VAR retvar;
|
|
|
4088 {
|
|
|
4089 char_u *s;
|
|
|
4090 int len;
|
|
|
4091 char_u *errormsg;
|
|
|
4092 int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
|
|
|
4093 expand_T xpc;
|
|
|
4094
|
|
|
4095 retvar->var_type = VAR_STRING;
|
|
|
4096 s = get_var_string(&argvars[0]);
|
|
|
4097 if (*s == '%' || *s == '#' || *s == '<')
|
|
|
4098 {
|
|
|
4099 ++emsg_off;
|
|
|
4100 retvar->var_val.var_string = eval_vars(s, &len, NULL, &errormsg, s);
|
|
|
4101 --emsg_off;
|
|
|
4102 }
|
|
|
4103 else
|
|
|
4104 {
|
|
|
4105 /* When the optional second argument is non-zero, don't remove matches
|
|
|
4106 * for 'suffixes' and 'wildignore' */
|
|
|
4107 if (argvars[1].var_type != VAR_UNKNOWN && get_var_number(&argvars[1]))
|
|
|
4108 flags |= WILD_KEEP_ALL;
|
|
|
4109 ExpandInit(&xpc);
|
|
|
4110 xpc.xp_context = EXPAND_FILES;
|
|
|
4111 retvar->var_val.var_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL);
|
|
|
4112 ExpandCleanup(&xpc);
|
|
|
4113 }
|
|
|
4114 }
|
|
|
4115
|
|
|
4116 /*
|
|
|
4117 * "filereadable()" function
|
|
|
4118 */
|
|
|
4119 static void
|
|
|
4120 f_filereadable(argvars, retvar)
|
|
|
4121 VAR argvars;
|
|
|
4122 VAR retvar;
|
|
|
4123 {
|
|
|
4124 FILE *fd;
|
|
|
4125 char_u *p;
|
|
|
4126 int n;
|
|
|
4127
|
|
|
4128 p = get_var_string(&argvars[0]);
|
|
|
4129 if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL)
|
|
|
4130 {
|
|
|
4131 n = TRUE;
|
|
|
4132 fclose(fd);
|
|
|
4133 }
|
|
|
4134 else
|
|
|
4135 n = FALSE;
|
|
|
4136
|
|
|
4137 retvar->var_val.var_number = n;
|
|
|
4138 }
|
|
|
4139
|
|
|
4140 /*
|
|
|
4141 * return 0 for not writable, 1 for writable file, 2 for a dir which we have
|
|
|
4142 * rights to write into.
|
|
|
4143 */
|
|
|
4144 static void
|
|
|
4145 f_filewritable(argvars, retvar)
|
|
|
4146 VAR argvars;
|
|
|
4147 VAR retvar;
|
|
|
4148 {
|
|
|
4149 char_u *p;
|
|
|
4150 int retval = 0;
|
|
|
4151 #if defined(UNIX) || defined(VMS)
|
|
|
4152 int perm = 0;
|
|
|
4153 #endif
|
|
|
4154
|
|
|
4155 p = get_var_string(&argvars[0]);
|
|
|
4156 #if defined(UNIX) || defined(VMS)
|
|
|
4157 perm = mch_getperm(p);
|
|
|
4158 #endif
|
|
|
4159 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
|
|
|
4160 if (
|
|
|
4161 # ifdef WIN3264
|
|
|
4162 mch_writable(p) &&
|
|
|
4163 # else
|
|
|
4164 # if defined(UNIX) || defined(VMS)
|
|
|
4165 (perm & 0222) &&
|
|
|
4166 # endif
|
|
|
4167 # endif
|
|
|
4168 mch_access((char *)p, W_OK) == 0
|
|
|
4169 )
|
|
|
4170 #endif
|
|
|
4171 {
|
|
|
4172 ++retval;
|
|
|
4173 if (mch_isdir(p))
|
|
|
4174 ++retval;
|
|
|
4175 }
|
|
|
4176 retvar->var_val.var_number = retval;
|
|
|
4177 }
|
|
|
4178
|
|
|
4179 /*
|
|
19
|
4180 * "finddir({fname}[, {path}[, {count}]])" function
|
|
|
4181 */
|
|
|
4182 static void
|
|
|
4183 f_finddir(argvars, retvar)
|
|
|
4184 VAR argvars;
|
|
|
4185 VAR retvar;
|
|
|
4186 {
|
|
|
4187 f_findfilendir(argvars, retvar, TRUE);
|
|
|
4188 }
|
|
|
4189
|
|
|
4190 /*
|
|
|
4191 * "findfile({fname}[, {path}[, {count}]])" function
|
|
|
4192 */
|
|
|
4193 static void
|
|
|
4194 f_findfile(argvars, retvar)
|
|
|
4195 VAR argvars;
|
|
|
4196 VAR retvar;
|
|
|
4197 {
|
|
|
4198 f_findfilendir(argvars, retvar, FALSE);
|
|
|
4199 }
|
|
|
4200
|
|
|
4201 static void
|
|
|
4202 f_findfilendir(argvars, retvar, dir)
|
|
|
4203 VAR argvars;
|
|
|
4204 VAR retvar;
|
|
|
4205 int dir;
|
|
|
4206 {
|
|
|
4207 #ifdef FEAT_SEARCHPATH
|
|
|
4208 char_u *fname;
|
|
|
4209 char_u *fresult = NULL;
|
|
|
4210 char_u *path = *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path;
|
|
|
4211 char_u *p;
|
|
|
4212 char_u pathbuf[NUMBUFLEN];
|
|
|
4213 int count = 1;
|
|
|
4214 int first = TRUE;
|
|
|
4215
|
|
|
4216 fname = get_var_string(&argvars[0]);
|
|
|
4217
|
|
|
4218 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
4219 {
|
|
|
4220 p = get_var_string_buf(&argvars[1], pathbuf);
|
|
|
4221 if (*p != NUL)
|
|
|
4222 path = p;
|
|
|
4223
|
|
|
4224 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
4225 count = get_var_number(&argvars[2]);
|
|
|
4226 }
|
|
|
4227
|
|
|
4228 do
|
|
|
4229 {
|
|
|
4230 vim_free(fresult);
|
|
|
4231 fresult = find_file_in_path_option(first ? fname : NULL,
|
|
|
4232 first ? (int)STRLEN(fname) : 0,
|
|
|
4233 0, first, path, dir, NULL);
|
|
|
4234 first = FALSE;
|
|
|
4235 } while (--count > 0 && fresult != NULL);
|
|
|
4236
|
|
|
4237 retvar->var_val.var_string = fresult;
|
|
|
4238 #else
|
|
|
4239 retvar->var_val.var_string = NULL;
|
|
|
4240 #endif
|
|
|
4241 retvar->var_type = VAR_STRING;
|
|
|
4242 }
|
|
|
4243
|
|
|
4244 /*
|
|
7
|
4245 * "fnamemodify({fname}, {mods})" function
|
|
|
4246 */
|
|
|
4247 static void
|
|
|
4248 f_fnamemodify(argvars, retvar)
|
|
|
4249 VAR argvars;
|
|
|
4250 VAR retvar;
|
|
|
4251 {
|
|
|
4252 char_u *fname;
|
|
|
4253 char_u *mods;
|
|
|
4254 int usedlen = 0;
|
|
|
4255 int len;
|
|
|
4256 char_u *fbuf = NULL;
|
|
|
4257 char_u buf[NUMBUFLEN];
|
|
|
4258
|
|
|
4259 fname = get_var_string(&argvars[0]);
|
|
|
4260 mods = get_var_string_buf(&argvars[1], buf);
|
|
|
4261 len = (int)STRLEN(fname);
|
|
|
4262
|
|
|
4263 (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
|
|
|
4264
|
|
|
4265 retvar->var_type = VAR_STRING;
|
|
|
4266 if (fname == NULL)
|
|
|
4267 retvar->var_val.var_string = NULL;
|
|
|
4268 else
|
|
|
4269 retvar->var_val.var_string = vim_strnsave(fname, len);
|
|
|
4270 vim_free(fbuf);
|
|
|
4271 }
|
|
|
4272
|
|
|
4273 /*
|
|
|
4274 * "foldclosed()" function
|
|
|
4275 */
|
|
|
4276 static void
|
|
|
4277 f_foldclosed(argvars, retvar)
|
|
|
4278 VAR argvars;
|
|
|
4279 VAR retvar;
|
|
|
4280 {
|
|
|
4281 foldclosed_both(argvars, retvar, FALSE);
|
|
|
4282 }
|
|
|
4283
|
|
|
4284 /*
|
|
|
4285 * "foldclosedend()" function
|
|
|
4286 */
|
|
|
4287 static void
|
|
|
4288 f_foldclosedend(argvars, retvar)
|
|
|
4289 VAR argvars;
|
|
|
4290 VAR retvar;
|
|
|
4291 {
|
|
|
4292 foldclosed_both(argvars, retvar, TRUE);
|
|
|
4293 }
|
|
|
4294
|
|
|
4295 /*
|
|
|
4296 * "foldclosed()" function
|
|
|
4297 */
|
|
|
4298 static void
|
|
|
4299 foldclosed_both(argvars, retvar, end)
|
|
|
4300 VAR argvars;
|
|
|
4301 VAR retvar;
|
|
|
4302 int end;
|
|
|
4303 {
|
|
|
4304 #ifdef FEAT_FOLDING
|
|
|
4305 linenr_T lnum;
|
|
|
4306 linenr_T first, last;
|
|
|
4307
|
|
|
4308 lnum = get_var_lnum(argvars);
|
|
|
4309 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4310 {
|
|
|
4311 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
|
|
|
4312 {
|
|
|
4313 if (end)
|
|
|
4314 retvar->var_val.var_number = (varnumber_T)last;
|
|
|
4315 else
|
|
|
4316 retvar->var_val.var_number = (varnumber_T)first;
|
|
|
4317 return;
|
|
|
4318 }
|
|
|
4319 }
|
|
|
4320 #endif
|
|
|
4321 retvar->var_val.var_number = -1;
|
|
|
4322 }
|
|
|
4323
|
|
|
4324 /*
|
|
|
4325 * "foldlevel()" function
|
|
|
4326 */
|
|
|
4327 static void
|
|
|
4328 f_foldlevel(argvars, retvar)
|
|
|
4329 VAR argvars;
|
|
|
4330 VAR retvar;
|
|
|
4331 {
|
|
|
4332 #ifdef FEAT_FOLDING
|
|
|
4333 linenr_T lnum;
|
|
|
4334
|
|
|
4335 lnum = get_var_lnum(argvars);
|
|
|
4336 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4337 retvar->var_val.var_number = foldLevel(lnum);
|
|
|
4338 else
|
|
|
4339 #endif
|
|
|
4340 retvar->var_val.var_number = 0;
|
|
|
4341 }
|
|
|
4342
|
|
|
4343 /*
|
|
|
4344 * "foldtext()" function
|
|
|
4345 */
|
|
|
4346 /*ARGSUSED*/
|
|
|
4347 static void
|
|
|
4348 f_foldtext(argvars, retvar)
|
|
|
4349 VAR argvars;
|
|
|
4350 VAR retvar;
|
|
|
4351 {
|
|
|
4352 #ifdef FEAT_FOLDING
|
|
|
4353 linenr_T lnum;
|
|
|
4354 char_u *s;
|
|
|
4355 char_u *r;
|
|
|
4356 int len;
|
|
|
4357 char *txt;
|
|
|
4358 #endif
|
|
|
4359
|
|
|
4360 retvar->var_type = VAR_STRING;
|
|
|
4361 retvar->var_val.var_string = NULL;
|
|
|
4362 #ifdef FEAT_FOLDING
|
|
|
4363 if ((linenr_T)vimvars[VV_FOLDSTART].val > 0
|
|
|
4364 && (linenr_T)vimvars[VV_FOLDEND].val <= curbuf->b_ml.ml_line_count
|
|
|
4365 && vimvars[VV_FOLDDASHES].val != NULL)
|
|
|
4366 {
|
|
|
4367 /* Find first non-empty line in the fold. */
|
|
|
4368 lnum = (linenr_T)vimvars[VV_FOLDSTART].val;
|
|
|
4369 while (lnum < (linenr_T)vimvars[VV_FOLDEND].val)
|
|
|
4370 {
|
|
|
4371 if (!linewhite(lnum))
|
|
|
4372 break;
|
|
|
4373 ++lnum;
|
|
|
4374 }
|
|
|
4375
|
|
|
4376 /* Find interesting text in this line. */
|
|
|
4377 s = skipwhite(ml_get(lnum));
|
|
|
4378 /* skip C comment-start */
|
|
|
4379 if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
|
|
|
4380 s = skipwhite(s + 2);
|
|
|
4381 txt = _("+-%s%3ld lines: ");
|
|
|
4382 r = alloc((unsigned)(STRLEN(txt)
|
|
|
4383 + STRLEN(vimvars[VV_FOLDDASHES].val) /* for %s */
|
|
|
4384 + 20 /* for %3ld */
|
|
|
4385 + STRLEN(s))); /* concatenated */
|
|
|
4386 if (r != NULL)
|
|
|
4387 {
|
|
|
4388 sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].val,
|
|
|
4389 (long)((linenr_T)vimvars[VV_FOLDEND].val
|
|
|
4390 - (linenr_T)vimvars[VV_FOLDSTART].val + 1));
|
|
|
4391 len = (int)STRLEN(r);
|
|
|
4392 STRCAT(r, s);
|
|
|
4393 /* remove 'foldmarker' and 'commentstring' */
|
|
|
4394 foldtext_cleanup(r + len);
|
|
|
4395 retvar->var_val.var_string = r;
|
|
|
4396 }
|
|
|
4397 }
|
|
|
4398 #endif
|
|
|
4399 }
|
|
|
4400
|
|
|
4401 /*
|
|
|
4402 * "foreground()" function
|
|
|
4403 */
|
|
|
4404 /*ARGSUSED*/
|
|
|
4405 static void
|
|
|
4406 f_foreground(argvars, retvar)
|
|
|
4407 VAR argvars;
|
|
|
4408 VAR retvar;
|
|
|
4409 {
|
|
|
4410 retvar->var_val.var_number = 0;
|
|
|
4411 #ifdef FEAT_GUI
|
|
|
4412 if (gui.in_use)
|
|
|
4413 gui_mch_set_foreground();
|
|
|
4414 #else
|
|
|
4415 # ifdef WIN32
|
|
|
4416 win32_set_foreground();
|
|
|
4417 # endif
|
|
|
4418 #endif
|
|
|
4419 }
|
|
|
4420
|
|
|
4421 /*
|
|
|
4422 * "getchar()" function
|
|
|
4423 */
|
|
|
4424 static void
|
|
|
4425 f_getchar(argvars, retvar)
|
|
|
4426 VAR argvars;
|
|
|
4427 VAR retvar;
|
|
|
4428 {
|
|
|
4429 varnumber_T n;
|
|
|
4430
|
|
|
4431 ++no_mapping;
|
|
|
4432 ++allow_keys;
|
|
|
4433 if (argvars[0].var_type == VAR_UNKNOWN)
|
|
|
4434 /* getchar(): blocking wait. */
|
|
|
4435 n = safe_vgetc();
|
|
|
4436 else if (get_var_number(&argvars[0]) == 1)
|
|
|
4437 /* getchar(1): only check if char avail */
|
|
|
4438 n = vpeekc();
|
|
|
4439 else if (vpeekc() == NUL)
|
|
|
4440 /* getchar(0) and no char avail: return zero */
|
|
|
4441 n = 0;
|
|
|
4442 else
|
|
|
4443 /* getchar(0) and char avail: return char */
|
|
|
4444 n = safe_vgetc();
|
|
|
4445 --no_mapping;
|
|
|
4446 --allow_keys;
|
|
|
4447
|
|
|
4448 retvar->var_val.var_number = n;
|
|
|
4449 if (IS_SPECIAL(n) || mod_mask != 0)
|
|
|
4450 {
|
|
|
4451 char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
|
|
|
4452 int i = 0;
|
|
|
4453
|
|
|
4454 /* Turn a special key into three bytes, plus modifier. */
|
|
|
4455 if (mod_mask != 0)
|
|
|
4456 {
|
|
|
4457 temp[i++] = K_SPECIAL;
|
|
|
4458 temp[i++] = KS_MODIFIER;
|
|
|
4459 temp[i++] = mod_mask;
|
|
|
4460 }
|
|
|
4461 if (IS_SPECIAL(n))
|
|
|
4462 {
|
|
|
4463 temp[i++] = K_SPECIAL;
|
|
|
4464 temp[i++] = K_SECOND(n);
|
|
|
4465 temp[i++] = K_THIRD(n);
|
|
|
4466 }
|
|
|
4467 #ifdef FEAT_MBYTE
|
|
|
4468 else if (has_mbyte)
|
|
|
4469 i += (*mb_char2bytes)(n, temp + i);
|
|
|
4470 #endif
|
|
|
4471 else
|
|
|
4472 temp[i++] = n;
|
|
|
4473 temp[i++] = NUL;
|
|
|
4474 retvar->var_type = VAR_STRING;
|
|
|
4475 retvar->var_val.var_string = vim_strsave(temp);
|
|
|
4476 }
|
|
|
4477 }
|
|
|
4478
|
|
|
4479 /*
|
|
|
4480 * "getcharmod()" function
|
|
|
4481 */
|
|
|
4482 /*ARGSUSED*/
|
|
|
4483 static void
|
|
|
4484 f_getcharmod(argvars, retvar)
|
|
|
4485 VAR argvars;
|
|
|
4486 VAR retvar;
|
|
|
4487 {
|
|
|
4488 retvar->var_val.var_number = mod_mask;
|
|
|
4489 }
|
|
|
4490
|
|
|
4491 /*
|
|
|
4492 * "getcmdline()" function
|
|
|
4493 */
|
|
|
4494 /*ARGSUSED*/
|
|
|
4495 static void
|
|
|
4496 f_getcmdline(argvars, retvar)
|
|
|
4497 VAR argvars;
|
|
|
4498 VAR retvar;
|
|
|
4499 {
|
|
|
4500 retvar->var_type = VAR_STRING;
|
|
|
4501 retvar->var_val.var_string = get_cmdline_str();
|
|
|
4502 }
|
|
|
4503
|
|
|
4504 /*
|
|
|
4505 * "getcmdpos()" function
|
|
|
4506 */
|
|
|
4507 /*ARGSUSED*/
|
|
|
4508 static void
|
|
|
4509 f_getcmdpos(argvars, retvar)
|
|
|
4510 VAR argvars;
|
|
|
4511 VAR retvar;
|
|
|
4512 {
|
|
|
4513 retvar->var_val.var_number = get_cmdline_pos() + 1;
|
|
|
4514 }
|
|
|
4515
|
|
|
4516 /*
|
|
|
4517 * "getbufvar()" function
|
|
|
4518 */
|
|
|
4519 static void
|
|
|
4520 f_getbufvar(argvars, retvar)
|
|
|
4521 VAR argvars;
|
|
|
4522 VAR retvar;
|
|
|
4523 {
|
|
|
4524 buf_T *buf;
|
|
|
4525 buf_T *save_curbuf;
|
|
|
4526 char_u *varname;
|
|
|
4527 VAR v;
|
|
|
4528
|
|
|
4529 ++emsg_off;
|
|
|
4530 buf = get_buf_var(&argvars[0]);
|
|
|
4531 varname = get_var_string(&argvars[1]);
|
|
|
4532
|
|
|
4533 retvar->var_type = VAR_STRING;
|
|
|
4534 retvar->var_val.var_string = NULL;
|
|
|
4535
|
|
|
4536 if (buf != NULL && varname != NULL)
|
|
|
4537 {
|
|
|
4538 if (*varname == '&') /* buffer-local-option */
|
|
|
4539 {
|
|
|
4540 /* set curbuf to be our buf, temporarily */
|
|
|
4541 save_curbuf = curbuf;
|
|
|
4542 curbuf = buf;
|
|
|
4543
|
|
|
4544 get_option_var(&varname, retvar, TRUE);
|
|
|
4545
|
|
|
4546 /* restore previous notion of curbuf */
|
|
|
4547 curbuf = save_curbuf;
|
|
|
4548 }
|
|
|
4549 else
|
|
|
4550 {
|
|
|
4551 /* look up the variable */
|
|
|
4552 v = find_var_in_ga(&buf->b_vars, varname);
|
|
|
4553 if (v != NULL)
|
|
|
4554 copy_var(v, retvar);
|
|
|
4555 }
|
|
|
4556 }
|
|
|
4557
|
|
|
4558 --emsg_off;
|
|
|
4559 }
|
|
|
4560
|
|
|
4561 /*
|
|
|
4562 * "getcwd()" function
|
|
|
4563 */
|
|
|
4564 /*ARGSUSED*/
|
|
|
4565 static void
|
|
|
4566 f_getcwd(argvars, retvar)
|
|
|
4567 VAR argvars;
|
|
|
4568 VAR retvar;
|
|
|
4569 {
|
|
|
4570 char_u cwd[MAXPATHL];
|
|
|
4571
|
|
|
4572 retvar->var_type = VAR_STRING;
|
|
|
4573 if (mch_dirname(cwd, MAXPATHL) == FAIL)
|
|
|
4574 retvar->var_val.var_string = NULL;
|
|
|
4575 else
|
|
|
4576 {
|
|
|
4577 retvar->var_val.var_string = vim_strsave(cwd);
|
|
|
4578 #ifdef BACKSLASH_IN_FILENAME
|
|
|
4579 slash_adjust(retvar->var_val.var_string);
|
|
|
4580 #endif
|
|
|
4581 }
|
|
|
4582 }
|
|
|
4583
|
|
|
4584 /*
|
|
20
|
4585 * "getfperm({fname})" function
|
|
|
4586 */
|
|
|
4587 static void
|
|
|
4588 f_getfperm(argvars, retvar)
|
|
|
4589 VAR argvars;
|
|
|
4590 VAR retvar;
|
|
|
4591 {
|
|
|
4592 char_u *fname;
|
|
|
4593 struct stat st;
|
|
|
4594 char_u *perm = NULL;
|
|
|
4595 char_u flags[] = "rwx";
|
|
|
4596 int i;
|
|
|
4597
|
|
|
4598 fname = get_var_string(&argvars[0]);
|
|
|
4599
|
|
|
4600 retvar->var_type = VAR_STRING;
|
|
|
4601 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4602 {
|
|
|
4603 perm = vim_strsave((char_u *)"---------");
|
|
|
4604 if (perm != NULL)
|
|
|
4605 {
|
|
|
4606 for (i = 0; i < 9; i++)
|
|
|
4607 {
|
|
|
4608 if (st.st_mode & (1 << (8 - i)))
|
|
|
4609 perm[i] = flags[i % 3];
|
|
|
4610 }
|
|
|
4611 }
|
|
|
4612 }
|
|
|
4613 retvar->var_val.var_string = perm;
|
|
|
4614 }
|
|
|
4615
|
|
|
4616 /*
|
|
7
|
4617 * "getfsize({fname})" function
|
|
|
4618 */
|
|
|
4619 static void
|
|
|
4620 f_getfsize(argvars, retvar)
|
|
|
4621 VAR argvars;
|
|
|
4622 VAR retvar;
|
|
|
4623 {
|
|
|
4624 char_u *fname;
|
|
|
4625 struct stat st;
|
|
|
4626
|
|
|
4627 fname = get_var_string(&argvars[0]);
|
|
|
4628
|
|
|
4629 retvar->var_type = VAR_NUMBER;
|
|
|
4630
|
|
|
4631 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4632 {
|
|
|
4633 if (mch_isdir(fname))
|
|
|
4634 retvar->var_val.var_number = 0;
|
|
|
4635 else
|
|
|
4636 retvar->var_val.var_number = (varnumber_T)st.st_size;
|
|
|
4637 }
|
|
|
4638 else
|
|
|
4639 retvar->var_val.var_number = -1;
|
|
|
4640 }
|
|
|
4641
|
|
|
4642 /*
|
|
|
4643 * "getftime({fname})" function
|
|
|
4644 */
|
|
|
4645 static void
|
|
|
4646 f_getftime(argvars, retvar)
|
|
|
4647 VAR argvars;
|
|
|
4648 VAR retvar;
|
|
|
4649 {
|
|
|
4650 char_u *fname;
|
|
|
4651 struct stat st;
|
|
|
4652
|
|
|
4653 fname = get_var_string(&argvars[0]);
|
|
|
4654
|
|
|
4655 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
4656 retvar->var_val.var_number = (varnumber_T)st.st_mtime;
|
|
|
4657 else
|
|
|
4658 retvar->var_val.var_number = -1;
|
|
|
4659 }
|
|
|
4660
|
|
|
4661 /*
|
|
20
|
4662 * "getftype({fname})" function
|
|
|
4663 */
|
|
|
4664 static void
|
|
|
4665 f_getftype(argvars, retvar)
|
|
|
4666 VAR argvars;
|
|
|
4667 VAR retvar;
|
|
|
4668 {
|
|
|
4669 char_u *fname;
|
|
|
4670 struct stat st;
|
|
|
4671 char_u *type = NULL;
|
|
|
4672 char *t;
|
|
|
4673
|
|
|
4674 fname = get_var_string(&argvars[0]);
|
|
|
4675
|
|
|
4676 retvar->var_type = VAR_STRING;
|
|
|
4677 if (mch_lstat((char *)fname, &st) >= 0)
|
|
|
4678 {
|
|
|
4679 #ifdef S_ISREG
|
|
|
4680 if (S_ISREG(st.st_mode))
|
|
|
4681 t = "file";
|
|
|
4682 else if (S_ISDIR(st.st_mode))
|
|
|
4683 t = "dir";
|
|
|
4684 # ifdef S_ISLNK
|
|
|
4685 else if (S_ISLNK(st.st_mode))
|
|
|
4686 t = "link";
|
|
|
4687 # endif
|
|
|
4688 # ifdef S_ISBLK
|
|
|
4689 else if (S_ISBLK(st.st_mode))
|
|
|
4690 t = "bdev";
|
|
|
4691 # endif
|
|
|
4692 # ifdef S_ISCHR
|
|
|
4693 else if (S_ISCHR(st.st_mode))
|
|
|
4694 t = "cdev";
|
|
|
4695 # endif
|
|
|
4696 # ifdef S_ISFIFO
|
|
|
4697 else if (S_ISFIFO(st.st_mode))
|
|
|
4698 t = "fifo";
|
|
|
4699 # endif
|
|
|
4700 # ifdef S_ISSOCK
|
|
|
4701 else if (S_ISSOCK(st.st_mode))
|
|
|
4702 t = "fifo";
|
|
|
4703 # endif
|
|
|
4704 else
|
|
|
4705 t = "other";
|
|
|
4706 #else
|
|
|
4707 # ifdef S_IFMT
|
|
|
4708 switch (st.st_mode & S_IFMT)
|
|
|
4709 {
|
|
|
4710 case S_IFREG: t = "file"; break;
|
|
|
4711 case S_IFDIR: t = "dir"; break;
|
|
|
4712 # ifdef S_IFLNK
|
|
|
4713 case S_IFLNK: t = "link"; break;
|
|
|
4714 # endif
|
|
|
4715 # ifdef S_IFBLK
|
|
|
4716 case S_IFBLK: t = "bdev"; break;
|
|
|
4717 # endif
|
|
|
4718 # ifdef S_IFCHR
|
|
|
4719 case S_IFCHR: t = "cdev"; break;
|
|
|
4720 # endif
|
|
|
4721 # ifdef S_IFIFO
|
|
|
4722 case S_IFIFO: t = "fifo"; break;
|
|
|
4723 # endif
|
|
|
4724 # ifdef S_IFSOCK
|
|
|
4725 case S_IFSOCK: t = "socket"; break;
|
|
|
4726 # endif
|
|
|
4727 default: t = "other";
|
|
|
4728 }
|
|
|
4729 # else
|
|
|
4730 if (mch_isdir(fname))
|
|
|
4731 t = "dir";
|
|
|
4732 else
|
|
|
4733 t = "file";
|
|
|
4734 # endif
|
|
|
4735 #endif
|
|
|
4736 type = vim_strsave((char_u *)t);
|
|
|
4737 }
|
|
|
4738 retvar->var_val.var_string = type;
|
|
|
4739 }
|
|
|
4740
|
|
|
4741 /*
|
|
7
|
4742 * "getreg()" function
|
|
|
4743 */
|
|
|
4744 static void
|
|
|
4745 f_getreg(argvars, retvar)
|
|
|
4746 VAR argvars;
|
|
|
4747 VAR retvar;
|
|
|
4748 {
|
|
|
4749 char_u *strregname;
|
|
|
4750 int regname;
|
|
|
4751
|
|
|
4752 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4753 strregname = get_var_string(&argvars[0]);
|
|
|
4754 else
|
|
|
4755 strregname = vimvars[VV_REG].val;
|
|
|
4756 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4757 if (regname == 0)
|
|
|
4758 regname = '"';
|
|
|
4759
|
|
|
4760 retvar->var_type = VAR_STRING;
|
|
|
4761 retvar->var_val.var_string = get_reg_contents(regname, TRUE);
|
|
|
4762 }
|
|
|
4763
|
|
|
4764 /*
|
|
|
4765 * "getregtype()" function
|
|
|
4766 */
|
|
|
4767 static void
|
|
|
4768 f_getregtype(argvars, retvar)
|
|
|
4769 VAR argvars;
|
|
|
4770 VAR retvar;
|
|
|
4771 {
|
|
|
4772 char_u *strregname;
|
|
|
4773 int regname;
|
|
|
4774 char_u buf[NUMBUFLEN + 2];
|
|
|
4775 long reglen = 0;
|
|
|
4776
|
|
|
4777 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
4778 strregname = get_var_string(&argvars[0]);
|
|
|
4779 else
|
|
|
4780 /* Default to v:register */
|
|
|
4781 strregname = vimvars[VV_REG].val;
|
|
|
4782
|
|
|
4783 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
4784 if (regname == 0)
|
|
|
4785 regname = '"';
|
|
|
4786
|
|
|
4787 buf[0] = NUL;
|
|
|
4788 buf[1] = NUL;
|
|
|
4789 switch (get_reg_type(regname, ®len))
|
|
|
4790 {
|
|
|
4791 case MLINE: buf[0] = 'V'; break;
|
|
|
4792 case MCHAR: buf[0] = 'v'; break;
|
|
|
4793 #ifdef FEAT_VISUAL
|
|
|
4794 case MBLOCK:
|
|
|
4795 buf[0] = Ctrl_V;
|
|
|
4796 sprintf((char *)buf + 1, "%ld", reglen + 1);
|
|
|
4797 break;
|
|
|
4798 #endif
|
|
|
4799 }
|
|
|
4800 retvar->var_type = VAR_STRING;
|
|
|
4801 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
4802 }
|
|
|
4803
|
|
|
4804 /*
|
|
|
4805 * "getline(lnum)" function
|
|
|
4806 */
|
|
|
4807 static void
|
|
|
4808 f_getline(argvars, retvar)
|
|
|
4809 VAR argvars;
|
|
|
4810 VAR retvar;
|
|
|
4811 {
|
|
|
4812 linenr_T lnum;
|
|
|
4813 char_u *p;
|
|
|
4814
|
|
|
4815 lnum = get_var_lnum(argvars);
|
|
|
4816
|
|
|
4817 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
4818 p = ml_get(lnum);
|
|
|
4819 else
|
|
|
4820 p = (char_u *)"";
|
|
|
4821
|
|
|
4822 retvar->var_type = VAR_STRING;
|
|
|
4823 retvar->var_val.var_string = vim_strsave(p);
|
|
|
4824 }
|
|
|
4825
|
|
|
4826 /*
|
|
|
4827 * "getwinposx()" function
|
|
|
4828 */
|
|
|
4829 /*ARGSUSED*/
|
|
|
4830 static void
|
|
|
4831 f_getwinposx(argvars, retvar)
|
|
|
4832 VAR argvars;
|
|
|
4833 VAR retvar;
|
|
|
4834 {
|
|
|
4835 retvar->var_val.var_number = -1;
|
|
|
4836 #ifdef FEAT_GUI
|
|
|
4837 if (gui.in_use)
|
|
|
4838 {
|
|
|
4839 int x, y;
|
|
|
4840
|
|
|
4841 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4842 retvar->var_val.var_number = x;
|
|
|
4843 }
|
|
|
4844 #endif
|
|
|
4845 }
|
|
|
4846
|
|
|
4847 /*
|
|
|
4848 * "getwinposy()" function
|
|
|
4849 */
|
|
|
4850 /*ARGSUSED*/
|
|
|
4851 static void
|
|
|
4852 f_getwinposy(argvars, retvar)
|
|
|
4853 VAR argvars;
|
|
|
4854 VAR retvar;
|
|
|
4855 {
|
|
|
4856 retvar->var_val.var_number = -1;
|
|
|
4857 #ifdef FEAT_GUI
|
|
|
4858 if (gui.in_use)
|
|
|
4859 {
|
|
|
4860 int x, y;
|
|
|
4861
|
|
|
4862 if (gui_mch_get_winpos(&x, &y) == OK)
|
|
|
4863 retvar->var_val.var_number = y;
|
|
|
4864 }
|
|
|
4865 #endif
|
|
|
4866 }
|
|
|
4867
|
|
|
4868 /*
|
|
|
4869 * "getwinvar()" function
|
|
|
4870 */
|
|
|
4871 static void
|
|
|
4872 f_getwinvar(argvars, retvar)
|
|
|
4873 VAR argvars;
|
|
|
4874 VAR retvar;
|
|
|
4875 {
|
|
|
4876 win_T *win, *oldcurwin;
|
|
|
4877 char_u *varname;
|
|
|
4878 VAR v;
|
|
|
4879
|
|
|
4880 ++emsg_off;
|
|
|
4881 win = find_win_by_nr(&argvars[0]);
|
|
|
4882 varname = get_var_string(&argvars[1]);
|
|
|
4883
|
|
|
4884 retvar->var_type = VAR_STRING;
|
|
|
4885 retvar->var_val.var_string = NULL;
|
|
|
4886
|
|
|
4887 if (win != NULL && varname != NULL)
|
|
|
4888 {
|
|
|
4889 if (*varname == '&') /* window-local-option */
|
|
|
4890 {
|
|
|
4891 /* set curwin to be our win, temporarily */
|
|
|
4892 oldcurwin = curwin;
|
|
|
4893 curwin = win;
|
|
|
4894
|
|
|
4895 get_option_var(&varname, retvar , 1);
|
|
|
4896
|
|
|
4897 /* restore previous notion of curwin */
|
|
|
4898 curwin = oldcurwin;
|
|
|
4899 }
|
|
|
4900 else
|
|
|
4901 {
|
|
|
4902 /* look up the variable */
|
|
|
4903 v = find_var_in_ga(&win->w_vars, varname);
|
|
|
4904 if (v != NULL)
|
|
|
4905 copy_var(v, retvar);
|
|
|
4906 }
|
|
|
4907 }
|
|
|
4908
|
|
|
4909 --emsg_off;
|
|
|
4910 }
|
|
|
4911
|
|
|
4912 /*
|
|
|
4913 * "glob()" function
|
|
|
4914 */
|
|
|
4915 static void
|
|
|
4916 f_glob(argvars, retvar)
|
|
|
4917 VAR argvars;
|
|
|
4918 VAR retvar;
|
|
|
4919 {
|
|
|
4920 expand_T xpc;
|
|
|
4921
|
|
|
4922 ExpandInit(&xpc);
|
|
|
4923 xpc.xp_context = EXPAND_FILES;
|
|
|
4924 retvar->var_type = VAR_STRING;
|
|
|
4925 retvar->var_val.var_string = ExpandOne(&xpc, get_var_string(&argvars[0]),
|
|
|
4926 NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
|
|
|
4927 ExpandCleanup(&xpc);
|
|
|
4928 }
|
|
|
4929
|
|
|
4930 /*
|
|
|
4931 * "globpath()" function
|
|
|
4932 */
|
|
|
4933 static void
|
|
|
4934 f_globpath(argvars, retvar)
|
|
|
4935 VAR argvars;
|
|
|
4936 VAR retvar;
|
|
|
4937 {
|
|
|
4938 char_u buf1[NUMBUFLEN];
|
|
|
4939
|
|
|
4940 retvar->var_type = VAR_STRING;
|
|
|
4941 retvar->var_val.var_string = globpath(get_var_string(&argvars[0]),
|
|
|
4942 get_var_string_buf(&argvars[1], buf1));
|
|
|
4943 }
|
|
|
4944
|
|
|
4945 /*
|
|
|
4946 * "has()" function
|
|
|
4947 */
|
|
|
4948 static void
|
|
|
4949 f_has(argvars, retvar)
|
|
|
4950 VAR argvars;
|
|
|
4951 VAR retvar;
|
|
|
4952 {
|
|
|
4953 int i;
|
|
|
4954 char_u *name;
|
|
|
4955 int n = FALSE;
|
|
|
4956 static char *(has_list[]) =
|
|
|
4957 {
|
|
|
4958 #ifdef AMIGA
|
|
|
4959 "amiga",
|
|
|
4960 # ifdef FEAT_ARP
|
|
|
4961 "arp",
|
|
|
4962 # endif
|
|
|
4963 #endif
|
|
|
4964 #ifdef __BEOS__
|
|
|
4965 "beos",
|
|
|
4966 #endif
|
|
|
4967 #ifdef MSDOS
|
|
|
4968 # ifdef DJGPP
|
|
|
4969 "dos32",
|
|
|
4970 # else
|
|
|
4971 "dos16",
|
|
|
4972 # endif
|
|
|
4973 #endif
|
|
|
4974 #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */
|
|
|
4975 "mac",
|
|
|
4976 #endif
|
|
|
4977 #if defined(MACOS_X_UNIX)
|
|
|
4978 "macunix",
|
|
|
4979 #endif
|
|
|
4980 #ifdef OS2
|
|
|
4981 "os2",
|
|
|
4982 #endif
|
|
|
4983 #ifdef __QNX__
|
|
|
4984 "qnx",
|
|
|
4985 #endif
|
|
|
4986 #ifdef RISCOS
|
|
|
4987 "riscos",
|
|
|
4988 #endif
|
|
|
4989 #ifdef UNIX
|
|
|
4990 "unix",
|
|
|
4991 #endif
|
|
|
4992 #ifdef VMS
|
|
|
4993 "vms",
|
|
|
4994 #endif
|
|
|
4995 #ifdef WIN16
|
|
|
4996 "win16",
|
|
|
4997 #endif
|
|
|
4998 #ifdef WIN32
|
|
|
4999 "win32",
|
|
|
5000 #endif
|
|
|
5001 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
|
|
|
5002 "win32unix",
|
|
|
5003 #endif
|
|
|
5004 #ifdef WIN64
|
|
|
5005 "win64",
|
|
|
5006 #endif
|
|
|
5007 #ifdef EBCDIC
|
|
|
5008 "ebcdic",
|
|
|
5009 #endif
|
|
|
5010 #ifndef CASE_INSENSITIVE_FILENAME
|
|
|
5011 "fname_case",
|
|
|
5012 #endif
|
|
|
5013 #ifdef FEAT_ARABIC
|
|
|
5014 "arabic",
|
|
|
5015 #endif
|
|
|
5016 #ifdef FEAT_AUTOCMD
|
|
|
5017 "autocmd",
|
|
|
5018 #endif
|
|
|
5019 #ifdef FEAT_BEVAL
|
|
|
5020 "balloon_eval",
|
|
|
5021 #endif
|
|
|
5022 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
|
|
|
5023 "builtin_terms",
|
|
|
5024 # ifdef ALL_BUILTIN_TCAPS
|
|
|
5025 "all_builtin_terms",
|
|
|
5026 # endif
|
|
|
5027 #endif
|
|
|
5028 #ifdef FEAT_BYTEOFF
|
|
|
5029 "byte_offset",
|
|
|
5030 #endif
|
|
|
5031 #ifdef FEAT_CINDENT
|
|
|
5032 "cindent",
|
|
|
5033 #endif
|
|
|
5034 #ifdef FEAT_CLIENTSERVER
|
|
|
5035 "clientserver",
|
|
|
5036 #endif
|
|
|
5037 #ifdef FEAT_CLIPBOARD
|
|
|
5038 "clipboard",
|
|
|
5039 #endif
|
|
|
5040 #ifdef FEAT_CMDL_COMPL
|
|
|
5041 "cmdline_compl",
|
|
|
5042 #endif
|
|
|
5043 #ifdef FEAT_CMDHIST
|
|
|
5044 "cmdline_hist",
|
|
|
5045 #endif
|
|
|
5046 #ifdef FEAT_COMMENTS
|
|
|
5047 "comments",
|
|
|
5048 #endif
|
|
|
5049 #ifdef FEAT_CRYPT
|
|
|
5050 "cryptv",
|
|
|
5051 #endif
|
|
|
5052 #ifdef FEAT_CSCOPE
|
|
|
5053 "cscope",
|
|
|
5054 #endif
|
|
|
5055 #ifdef DEBUG
|
|
|
5056 "debug",
|
|
|
5057 #endif
|
|
|
5058 #ifdef FEAT_CON_DIALOG
|
|
|
5059 "dialog_con",
|
|
|
5060 #endif
|
|
|
5061 #ifdef FEAT_GUI_DIALOG
|
|
|
5062 "dialog_gui",
|
|
|
5063 #endif
|
|
|
5064 #ifdef FEAT_DIFF
|
|
|
5065 "diff",
|
|
|
5066 #endif
|
|
|
5067 #ifdef FEAT_DIGRAPHS
|
|
|
5068 "digraphs",
|
|
|
5069 #endif
|
|
|
5070 #ifdef FEAT_DND
|
|
|
5071 "dnd",
|
|
|
5072 #endif
|
|
|
5073 #ifdef FEAT_EMACS_TAGS
|
|
|
5074 "emacs_tags",
|
|
|
5075 #endif
|
|
|
5076 "eval", /* always present, of course! */
|
|
|
5077 #ifdef FEAT_EX_EXTRA
|
|
|
5078 "ex_extra",
|
|
|
5079 #endif
|
|
|
5080 #ifdef FEAT_SEARCH_EXTRA
|
|
|
5081 "extra_search",
|
|
|
5082 #endif
|
|
|
5083 #ifdef FEAT_FKMAP
|
|
|
5084 "farsi",
|
|
|
5085 #endif
|
|
|
5086 #ifdef FEAT_SEARCHPATH
|
|
|
5087 "file_in_path",
|
|
|
5088 #endif
|
|
|
5089 #ifdef FEAT_FIND_ID
|
|
|
5090 "find_in_path",
|
|
|
5091 #endif
|
|
|
5092 #ifdef FEAT_FOLDING
|
|
|
5093 "folding",
|
|
|
5094 #endif
|
|
|
5095 #ifdef FEAT_FOOTER
|
|
|
5096 "footer",
|
|
|
5097 #endif
|
|
|
5098 #if !defined(USE_SYSTEM) && defined(UNIX)
|
|
|
5099 "fork",
|
|
|
5100 #endif
|
|
|
5101 #ifdef FEAT_GETTEXT
|
|
|
5102 "gettext",
|
|
|
5103 #endif
|
|
|
5104 #ifdef FEAT_GUI
|
|
|
5105 "gui",
|
|
|
5106 #endif
|
|
|
5107 #ifdef FEAT_GUI_ATHENA
|
|
|
5108 # ifdef FEAT_GUI_NEXTAW
|
|
|
5109 "gui_neXtaw",
|
|
|
5110 # else
|
|
|
5111 "gui_athena",
|
|
|
5112 # endif
|
|
|
5113 #endif
|
|
|
5114 #ifdef FEAT_GUI_BEOS
|
|
|
5115 "gui_beos",
|
|
|
5116 #endif
|
|
11
|
5117 #ifdef FEAT_GUI_KDE
|
|
|
5118 "gui_kde",
|
|
|
5119 #endif
|
|
7
|
5120 #ifdef FEAT_GUI_GTK
|
|
|
5121 "gui_gtk",
|
|
|
5122 # ifdef HAVE_GTK2
|
|
|
5123 "gui_gtk2",
|
|
|
5124 # endif
|
|
|
5125 #endif
|
|
|
5126 #ifdef FEAT_GUI_MAC
|
|
|
5127 "gui_mac",
|
|
|
5128 #endif
|
|
|
5129 #ifdef FEAT_GUI_MOTIF
|
|
|
5130 "gui_motif",
|
|
|
5131 #endif
|
|
|
5132 #ifdef FEAT_GUI_PHOTON
|
|
|
5133 "gui_photon",
|
|
|
5134 #endif
|
|
|
5135 #ifdef FEAT_GUI_W16
|
|
|
5136 "gui_win16",
|
|
|
5137 #endif
|
|
|
5138 #ifdef FEAT_GUI_W32
|
|
|
5139 "gui_win32",
|
|
|
5140 #endif
|
|
|
5141 #ifdef FEAT_HANGULIN
|
|
|
5142 "hangul_input",
|
|
|
5143 #endif
|
|
|
5144 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
|
|
|
5145 "iconv",
|
|
|
5146 #endif
|
|
|
5147 #ifdef FEAT_INS_EXPAND
|
|
|
5148 "insert_expand",
|
|
|
5149 #endif
|
|
|
5150 #ifdef FEAT_JUMPLIST
|
|
|
5151 "jumplist",
|
|
|
5152 #endif
|
|
|
5153 #ifdef FEAT_KEYMAP
|
|
|
5154 "keymap",
|
|
|
5155 #endif
|
|
|
5156 #ifdef FEAT_LANGMAP
|
|
|
5157 "langmap",
|
|
|
5158 #endif
|
|
|
5159 #ifdef FEAT_LIBCALL
|
|
|
5160 "libcall",
|
|
|
5161 #endif
|
|
|
5162 #ifdef FEAT_LINEBREAK
|
|
|
5163 "linebreak",
|
|
|
5164 #endif
|
|
|
5165 #ifdef FEAT_LISP
|
|
|
5166 "lispindent",
|
|
|
5167 #endif
|
|
|
5168 #ifdef FEAT_LISTCMDS
|
|
|
5169 "listcmds",
|
|
|
5170 #endif
|
|
|
5171 #ifdef FEAT_LOCALMAP
|
|
|
5172 "localmap",
|
|
|
5173 #endif
|
|
|
5174 #ifdef FEAT_MENU
|
|
|
5175 "menu",
|
|
|
5176 #endif
|
|
|
5177 #ifdef FEAT_SESSION
|
|
|
5178 "mksession",
|
|
|
5179 #endif
|
|
|
5180 #ifdef FEAT_MODIFY_FNAME
|
|
|
5181 "modify_fname",
|
|
|
5182 #endif
|
|
|
5183 #ifdef FEAT_MOUSE
|
|
|
5184 "mouse",
|
|
|
5185 #endif
|
|
|
5186 #ifdef FEAT_MOUSESHAPE
|
|
|
5187 "mouseshape",
|
|
|
5188 #endif
|
|
|
5189 #if defined(UNIX) || defined(VMS)
|
|
|
5190 # ifdef FEAT_MOUSE_DEC
|
|
|
5191 "mouse_dec",
|
|
|
5192 # endif
|
|
|
5193 # ifdef FEAT_MOUSE_GPM
|
|
|
5194 "mouse_gpm",
|
|
|
5195 # endif
|
|
|
5196 # ifdef FEAT_MOUSE_JSB
|
|
|
5197 "mouse_jsbterm",
|
|
|
5198 # endif
|
|
|
5199 # ifdef FEAT_MOUSE_NET
|
|
|
5200 "mouse_netterm",
|
|
|
5201 # endif
|
|
|
5202 # ifdef FEAT_MOUSE_PTERM
|
|
|
5203 "mouse_pterm",
|
|
|
5204 # endif
|
|
|
5205 # ifdef FEAT_MOUSE_XTERM
|
|
|
5206 "mouse_xterm",
|
|
|
5207 # endif
|
|
|
5208 #endif
|
|
|
5209 #ifdef FEAT_MBYTE
|
|
|
5210 "multi_byte",
|
|
|
5211 #endif
|
|
|
5212 #ifdef FEAT_MBYTE_IME
|
|
|
5213 "multi_byte_ime",
|
|
|
5214 #endif
|
|
|
5215 #ifdef FEAT_MULTI_LANG
|
|
|
5216 "multi_lang",
|
|
|
5217 #endif
|
|
14
|
5218 #ifdef FEAT_MZSCHEME
|
|
|
5219 "mzscheme",
|
|
|
5220 #endif
|
|
7
|
5221 #ifdef FEAT_OLE
|
|
|
5222 "ole",
|
|
|
5223 #endif
|
|
|
5224 #ifdef FEAT_OSFILETYPE
|
|
|
5225 "osfiletype",
|
|
|
5226 #endif
|
|
|
5227 #ifdef FEAT_PATH_EXTRA
|
|
|
5228 "path_extra",
|
|
|
5229 #endif
|
|
|
5230 #ifdef FEAT_PERL
|
|
|
5231 #ifndef DYNAMIC_PERL
|
|
|
5232 "perl",
|
|
|
5233 #endif
|
|
|
5234 #endif
|
|
|
5235 #ifdef FEAT_PYTHON
|
|
|
5236 #ifndef DYNAMIC_PYTHON
|
|
|
5237 "python",
|
|
|
5238 #endif
|
|
|
5239 #endif
|
|
|
5240 #ifdef FEAT_POSTSCRIPT
|
|
|
5241 "postscript",
|
|
|
5242 #endif
|
|
|
5243 #ifdef FEAT_PRINTER
|
|
|
5244 "printer",
|
|
|
5245 #endif
|
|
|
5246 #ifdef FEAT_QUICKFIX
|
|
|
5247 "quickfix",
|
|
|
5248 #endif
|
|
|
5249 #ifdef FEAT_RIGHTLEFT
|
|
|
5250 "rightleft",
|
|
|
5251 #endif
|
|
|
5252 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
|
|
|
5253 "ruby",
|
|
|
5254 #endif
|
|
|
5255 #ifdef FEAT_SCROLLBIND
|
|
|
5256 "scrollbind",
|
|
|
5257 #endif
|
|
|
5258 #ifdef FEAT_CMDL_INFO
|
|
|
5259 "showcmd",
|
|
|
5260 "cmdline_info",
|
|
|
5261 #endif
|
|
|
5262 #ifdef FEAT_SIGNS
|
|
|
5263 "signs",
|
|
|
5264 #endif
|
|
|
5265 #ifdef FEAT_SMARTINDENT
|
|
|
5266 "smartindent",
|
|
|
5267 #endif
|
|
|
5268 #ifdef FEAT_SNIFF
|
|
|
5269 "sniff",
|
|
|
5270 #endif
|
|
|
5271 #ifdef FEAT_STL_OPT
|
|
|
5272 "statusline",
|
|
|
5273 #endif
|
|
|
5274 #ifdef FEAT_SUN_WORKSHOP
|
|
|
5275 "sun_workshop",
|
|
|
5276 #endif
|
|
|
5277 #ifdef FEAT_NETBEANS_INTG
|
|
|
5278 "netbeans_intg",
|
|
|
5279 #endif
|
|
|
5280 #ifdef FEAT_SYN_HL
|
|
|
5281 "syntax",
|
|
|
5282 #endif
|
|
|
5283 #if defined(USE_SYSTEM) || !defined(UNIX)
|
|
|
5284 "system",
|
|
|
5285 #endif
|
|
|
5286 #ifdef FEAT_TAG_BINS
|
|
|
5287 "tag_binary",
|
|
|
5288 #endif
|
|
|
5289 #ifdef FEAT_TAG_OLDSTATIC
|
|
|
5290 "tag_old_static",
|
|
|
5291 #endif
|
|
|
5292 #ifdef FEAT_TAG_ANYWHITE
|
|
|
5293 "tag_any_white",
|
|
|
5294 #endif
|
|
|
5295 #ifdef FEAT_TCL
|
|
|
5296 # ifndef DYNAMIC_TCL
|
|
|
5297 "tcl",
|
|
|
5298 # endif
|
|
|
5299 #endif
|
|
|
5300 #ifdef TERMINFO
|
|
|
5301 "terminfo",
|
|
|
5302 #endif
|
|
|
5303 #ifdef FEAT_TERMRESPONSE
|
|
|
5304 "termresponse",
|
|
|
5305 #endif
|
|
|
5306 #ifdef FEAT_TEXTOBJ
|
|
|
5307 "textobjects",
|
|
|
5308 #endif
|
|
|
5309 #ifdef HAVE_TGETENT
|
|
|
5310 "tgetent",
|
|
|
5311 #endif
|
|
|
5312 #ifdef FEAT_TITLE
|
|
|
5313 "title",
|
|
|
5314 #endif
|
|
|
5315 #ifdef FEAT_TOOLBAR
|
|
|
5316 "toolbar",
|
|
|
5317 #endif
|
|
|
5318 #ifdef FEAT_USR_CMDS
|
|
|
5319 "user-commands", /* was accidentally included in 5.4 */
|
|
|
5320 "user_commands",
|
|
|
5321 #endif
|
|
|
5322 #ifdef FEAT_VIMINFO
|
|
|
5323 "viminfo",
|
|
|
5324 #endif
|
|
|
5325 #ifdef FEAT_VERTSPLIT
|
|
|
5326 "vertsplit",
|
|
|
5327 #endif
|
|
|
5328 #ifdef FEAT_VIRTUALEDIT
|
|
|
5329 "virtualedit",
|
|
|
5330 #endif
|
|
|
5331 #ifdef FEAT_VISUAL
|
|
|
5332 "visual",
|
|
|
5333 #endif
|
|
|
5334 #ifdef FEAT_VISUALEXTRA
|
|
|
5335 "visualextra",
|
|
|
5336 #endif
|
|
|
5337 #ifdef FEAT_VREPLACE
|
|
|
5338 "vreplace",
|
|
|
5339 #endif
|
|
|
5340 #ifdef FEAT_WILDIGN
|
|
|
5341 "wildignore",
|
|
|
5342 #endif
|
|
|
5343 #ifdef FEAT_WILDMENU
|
|
|
5344 "wildmenu",
|
|
|
5345 #endif
|
|
|
5346 #ifdef FEAT_WINDOWS
|
|
|
5347 "windows",
|
|
|
5348 #endif
|
|
|
5349 #ifdef FEAT_WAK
|
|
|
5350 "winaltkeys",
|
|
|
5351 #endif
|
|
|
5352 #ifdef FEAT_WRITEBACKUP
|
|
|
5353 "writebackup",
|
|
|
5354 #endif
|
|
|
5355 #ifdef FEAT_XIM
|
|
|
5356 "xim",
|
|
|
5357 #endif
|
|
|
5358 #ifdef FEAT_XFONTSET
|
|
|
5359 "xfontset",
|
|
|
5360 #endif
|
|
|
5361 #ifdef USE_XSMP
|
|
|
5362 "xsmp",
|
|
|
5363 #endif
|
|
|
5364 #ifdef USE_XSMP_INTERACT
|
|
|
5365 "xsmp_interact",
|
|
|
5366 #endif
|
|
|
5367 #ifdef FEAT_XCLIPBOARD
|
|
|
5368 "xterm_clipboard",
|
|
|
5369 #endif
|
|
|
5370 #ifdef FEAT_XTERM_SAVE
|
|
|
5371 "xterm_save",
|
|
|
5372 #endif
|
|
|
5373 #if defined(UNIX) && defined(FEAT_X11)
|
|
|
5374 "X11",
|
|
|
5375 #endif
|
|
|
5376 NULL
|
|
|
5377 };
|
|
|
5378
|
|
|
5379 name = get_var_string(&argvars[0]);
|
|
|
5380 for (i = 0; has_list[i] != NULL; ++i)
|
|
|
5381 if (STRICMP(name, has_list[i]) == 0)
|
|
|
5382 {
|
|
|
5383 n = TRUE;
|
|
|
5384 break;
|
|
|
5385 }
|
|
|
5386
|
|
|
5387 if (n == FALSE)
|
|
|
5388 {
|
|
|
5389 if (STRNICMP(name, "patch", 5) == 0)
|
|
|
5390 n = has_patch(atoi((char *)name + 5));
|
|
|
5391 else if (STRICMP(name, "vim_starting") == 0)
|
|
|
5392 n = (starting != 0);
|
|
|
5393 #ifdef DYNAMIC_TCL
|
|
|
5394 else if (STRICMP(name, "tcl") == 0)
|
|
|
5395 n = tcl_enabled(FALSE);
|
|
|
5396 #endif
|
|
|
5397 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
|
|
|
5398 else if (STRICMP(name, "iconv") == 0)
|
|
|
5399 n = iconv_enabled(FALSE);
|
|
|
5400 #endif
|
|
|
5401 #ifdef DYNAMIC_RUBY
|
|
|
5402 else if (STRICMP(name, "ruby") == 0)
|
|
|
5403 n = ruby_enabled(FALSE);
|
|
|
5404 #endif
|
|
|
5405 #ifdef DYNAMIC_PYTHON
|
|
|
5406 else if (STRICMP(name, "python") == 0)
|
|
|
5407 n = python_enabled(FALSE);
|
|
|
5408 #endif
|
|
|
5409 #ifdef DYNAMIC_PERL
|
|
|
5410 else if (STRICMP(name, "perl") == 0)
|
|
|
5411 n = perl_enabled(FALSE);
|
|
|
5412 #endif
|
|
|
5413 #ifdef FEAT_GUI
|
|
|
5414 else if (STRICMP(name, "gui_running") == 0)
|
|
|
5415 n = (gui.in_use || gui.starting);
|
|
|
5416 # ifdef FEAT_GUI_W32
|
|
|
5417 else if (STRICMP(name, "gui_win32s") == 0)
|
|
|
5418 n = gui_is_win32s();
|
|
|
5419 # endif
|
|
|
5420 # ifdef FEAT_BROWSE
|
|
|
5421 else if (STRICMP(name, "browse") == 0)
|
|
|
5422 n = gui.in_use; /* gui_mch_browse() works when GUI is running */
|
|
|
5423 # endif
|
|
|
5424 #endif
|
|
|
5425 #ifdef FEAT_SYN_HL
|
|
|
5426 else if (STRICMP(name, "syntax_items") == 0)
|
|
|
5427 n = syntax_present(curbuf);
|
|
|
5428 #endif
|
|
|
5429 #if defined(WIN3264)
|
|
|
5430 else if (STRICMP(name, "win95") == 0)
|
|
|
5431 n = mch_windows95();
|
|
|
5432 #endif
|
|
|
5433 }
|
|
|
5434
|
|
|
5435 retvar->var_val.var_number = n;
|
|
|
5436 }
|
|
|
5437
|
|
|
5438 /*
|
|
|
5439 * "hasmapto()" function
|
|
|
5440 */
|
|
|
5441 static void
|
|
|
5442 f_hasmapto(argvars, retvar)
|
|
|
5443 VAR argvars;
|
|
|
5444 VAR retvar;
|
|
|
5445 {
|
|
|
5446 char_u *name;
|
|
|
5447 char_u *mode;
|
|
|
5448 char_u buf[NUMBUFLEN];
|
|
|
5449
|
|
|
5450 name = get_var_string(&argvars[0]);
|
|
|
5451 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5452 mode = (char_u *)"nvo";
|
|
|
5453 else
|
|
|
5454 mode = get_var_string_buf(&argvars[1], buf);
|
|
|
5455
|
|
|
5456 if (map_to_exists(name, mode))
|
|
|
5457 retvar->var_val.var_number = TRUE;
|
|
|
5458 else
|
|
|
5459 retvar->var_val.var_number = FALSE;
|
|
|
5460 }
|
|
|
5461
|
|
|
5462 /*
|
|
|
5463 * "histadd()" function
|
|
|
5464 */
|
|
|
5465 /*ARGSUSED*/
|
|
|
5466 static void
|
|
|
5467 f_histadd(argvars, retvar)
|
|
|
5468 VAR argvars;
|
|
|
5469 VAR retvar;
|
|
|
5470 {
|
|
|
5471 #ifdef FEAT_CMDHIST
|
|
|
5472 int histype;
|
|
|
5473 char_u *str;
|
|
|
5474 char_u buf[NUMBUFLEN];
|
|
|
5475 #endif
|
|
|
5476
|
|
|
5477 retvar->var_val.var_number = FALSE;
|
|
|
5478 if (check_restricted() || check_secure())
|
|
|
5479 return;
|
|
|
5480 #ifdef FEAT_CMDHIST
|
|
|
5481 histype = get_histtype(get_var_string(&argvars[0]));
|
|
|
5482 if (histype >= 0)
|
|
|
5483 {
|
|
|
5484 str = get_var_string_buf(&argvars[1], buf);
|
|
|
5485 if (*str != NUL)
|
|
|
5486 {
|
|
|
5487 add_to_history(histype, str, FALSE, NUL);
|
|
|
5488 retvar->var_val.var_number = TRUE;
|
|
|
5489 return;
|
|
|
5490 }
|
|
|
5491 }
|
|
|
5492 #endif
|
|
|
5493 }
|
|
|
5494
|
|
|
5495 /*
|
|
|
5496 * "histdel()" function
|
|
|
5497 */
|
|
|
5498 /*ARGSUSED*/
|
|
|
5499 static void
|
|
|
5500 f_histdel(argvars, retvar)
|
|
|
5501 VAR argvars;
|
|
|
5502 VAR retvar;
|
|
|
5503 {
|
|
|
5504 #ifdef FEAT_CMDHIST
|
|
|
5505 int n;
|
|
|
5506 char_u buf[NUMBUFLEN];
|
|
|
5507
|
|
|
5508 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5509 /* only one argument: clear entire history */
|
|
|
5510 n = clr_history(get_histtype(get_var_string(&argvars[0])));
|
|
|
5511 else if (argvars[1].var_type == VAR_NUMBER)
|
|
|
5512 /* index given: remove that entry */
|
|
|
5513 n = del_history_idx(get_histtype(get_var_string(&argvars[0])),
|
|
|
5514 (int)get_var_number(&argvars[1]));
|
|
|
5515 else
|
|
|
5516 /* string given: remove all matching entries */
|
|
|
5517 n = del_history_entry(get_histtype(get_var_string(&argvars[0])),
|
|
|
5518 get_var_string_buf(&argvars[1], buf));
|
|
|
5519 retvar->var_val.var_number = n;
|
|
|
5520 #else
|
|
|
5521 retvar->var_val.var_number = 0;
|
|
|
5522 #endif
|
|
|
5523 }
|
|
|
5524
|
|
|
5525 /*
|
|
|
5526 * "histget()" function
|
|
|
5527 */
|
|
|
5528 /*ARGSUSED*/
|
|
|
5529 static void
|
|
|
5530 f_histget(argvars, retvar)
|
|
|
5531 VAR argvars;
|
|
|
5532 VAR retvar;
|
|
|
5533 {
|
|
|
5534 #ifdef FEAT_CMDHIST
|
|
|
5535 int type;
|
|
|
5536 int idx;
|
|
|
5537
|
|
|
5538 type = get_histtype(get_var_string(&argvars[0]));
|
|
|
5539 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
5540 idx = get_history_idx(type);
|
|
|
5541 else
|
|
|
5542 idx = (int)get_var_number(&argvars[1]);
|
|
|
5543 retvar->var_val.var_string = vim_strsave(get_history_entry(type, idx));
|
|
|
5544 #else
|
|
|
5545 retvar->var_val.var_string = NULL;
|
|
|
5546 #endif
|
|
|
5547 retvar->var_type = VAR_STRING;
|
|
|
5548 }
|
|
|
5549
|
|
|
5550 /*
|
|
|
5551 * "histnr()" function
|
|
|
5552 */
|
|
|
5553 /*ARGSUSED*/
|
|
|
5554 static void
|
|
|
5555 f_histnr(argvars, retvar)
|
|
|
5556 VAR argvars;
|
|
|
5557 VAR retvar;
|
|
|
5558 {
|
|
|
5559 int i;
|
|
|
5560
|
|
|
5561 #ifdef FEAT_CMDHIST
|
|
|
5562 i = get_histtype(get_var_string(&argvars[0]));
|
|
|
5563 if (i >= HIST_CMD && i < HIST_COUNT)
|
|
|
5564 i = get_history_idx(i);
|
|
|
5565 else
|
|
|
5566 #endif
|
|
|
5567 i = -1;
|
|
|
5568 retvar->var_val.var_number = i;
|
|
|
5569 }
|
|
|
5570
|
|
|
5571 /*
|
|
|
5572 * "highlight_exists()" function
|
|
|
5573 */
|
|
|
5574 static void
|
|
|
5575 f_hlexists(argvars, retvar)
|
|
|
5576 VAR argvars;
|
|
|
5577 VAR retvar;
|
|
|
5578 {
|
|
|
5579 retvar->var_val.var_number = highlight_exists(get_var_string(&argvars[0]));
|
|
|
5580 }
|
|
|
5581
|
|
|
5582 /*
|
|
|
5583 * "highlightID(name)" function
|
|
|
5584 */
|
|
|
5585 static void
|
|
|
5586 f_hlID(argvars, retvar)
|
|
|
5587 VAR argvars;
|
|
|
5588 VAR retvar;
|
|
|
5589 {
|
|
|
5590 retvar->var_val.var_number = syn_name2id(get_var_string(&argvars[0]));
|
|
|
5591 }
|
|
|
5592
|
|
|
5593 /*
|
|
|
5594 * "hostname()" function
|
|
|
5595 */
|
|
|
5596 /*ARGSUSED*/
|
|
|
5597 static void
|
|
|
5598 f_hostname(argvars, retvar)
|
|
|
5599 VAR argvars;
|
|
|
5600 VAR retvar;
|
|
|
5601 {
|
|
|
5602 char_u hostname[256];
|
|
|
5603
|
|
|
5604 mch_get_host_name(hostname, 256);
|
|
|
5605 retvar->var_type = VAR_STRING;
|
|
|
5606 retvar->var_val.var_string = vim_strsave(hostname);
|
|
|
5607 }
|
|
|
5608
|
|
|
5609 /*
|
|
|
5610 * iconv() function
|
|
|
5611 */
|
|
|
5612 /*ARGSUSED*/
|
|
|
5613 static void
|
|
|
5614 f_iconv(argvars, retvar)
|
|
|
5615 VAR argvars;
|
|
|
5616 VAR retvar;
|
|
|
5617 {
|
|
|
5618 #ifdef FEAT_MBYTE
|
|
|
5619 char_u buf1[NUMBUFLEN];
|
|
|
5620 char_u buf2[NUMBUFLEN];
|
|
|
5621 char_u *from, *to, *str;
|
|
|
5622 vimconv_T vimconv;
|
|
|
5623 #endif
|
|
|
5624
|
|
|
5625 retvar->var_type = VAR_STRING;
|
|
|
5626 retvar->var_val.var_string = NULL;
|
|
|
5627
|
|
|
5628 #ifdef FEAT_MBYTE
|
|
|
5629 str = get_var_string(&argvars[0]);
|
|
|
5630 from = enc_canonize(enc_skip(get_var_string_buf(&argvars[1], buf1)));
|
|
|
5631 to = enc_canonize(enc_skip(get_var_string_buf(&argvars[2], buf2)));
|
|
|
5632 vimconv.vc_type = CONV_NONE;
|
|
|
5633 convert_setup(&vimconv, from, to);
|
|
|
5634
|
|
|
5635 /* If the encodings are equal, no conversion needed. */
|
|
|
5636 if (vimconv.vc_type == CONV_NONE)
|
|
|
5637 retvar->var_val.var_string = vim_strsave(str);
|
|
|
5638 else
|
|
|
5639 retvar->var_val.var_string = string_convert(&vimconv, str, NULL);
|
|
|
5640
|
|
|
5641 convert_setup(&vimconv, NULL, NULL);
|
|
|
5642 vim_free(from);
|
|
|
5643 vim_free(to);
|
|
|
5644 #endif
|
|
|
5645 }
|
|
|
5646
|
|
|
5647 /*
|
|
|
5648 * "indent()" function
|
|
|
5649 */
|
|
|
5650 static void
|
|
|
5651 f_indent(argvars, retvar)
|
|
|
5652 VAR argvars;
|
|
|
5653 VAR retvar;
|
|
|
5654 {
|
|
|
5655 linenr_T lnum;
|
|
|
5656
|
|
|
5657 lnum = get_var_lnum(argvars);
|
|
|
5658 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5659 retvar->var_val.var_number = get_indent_lnum(lnum);
|
|
|
5660 else
|
|
|
5661 retvar->var_val.var_number = -1;
|
|
|
5662 }
|
|
|
5663
|
|
|
5664 static int inputsecret_flag = 0;
|
|
|
5665
|
|
|
5666 /*
|
|
|
5667 * "input()" function
|
|
|
5668 * Also handles inputsecret() when inputsecret is set.
|
|
|
5669 */
|
|
|
5670 static void
|
|
|
5671 f_input(argvars, retvar)
|
|
|
5672 VAR argvars;
|
|
|
5673 VAR retvar;
|
|
|
5674 {
|
|
|
5675 char_u *prompt = get_var_string(&argvars[0]);
|
|
|
5676 char_u *p = NULL;
|
|
|
5677 int c;
|
|
|
5678 char_u buf[NUMBUFLEN];
|
|
|
5679 int cmd_silent_save = cmd_silent;
|
|
|
5680
|
|
|
5681 retvar->var_type = VAR_STRING;
|
|
|
5682
|
|
|
5683 #ifdef NO_CONSOLE_INPUT
|
|
|
5684 /* While starting up, there is no place to enter text. */
|
|
|
5685 if (no_console_input())
|
|
|
5686 {
|
|
|
5687 retvar->var_val.var_string = NULL;
|
|
|
5688 return;
|
|
|
5689 }
|
|
|
5690 #endif
|
|
|
5691
|
|
|
5692 cmd_silent = FALSE; /* Want to see the prompt. */
|
|
|
5693 if (prompt != NULL)
|
|
|
5694 {
|
|
|
5695 /* Only the part of the message after the last NL is considered as
|
|
|
5696 * prompt for the command line */
|
|
|
5697 p = vim_strrchr(prompt, '\n');
|
|
|
5698 if (p == NULL)
|
|
|
5699 p = prompt;
|
|
|
5700 else
|
|
|
5701 {
|
|
|
5702 ++p;
|
|
|
5703 c = *p;
|
|
|
5704 *p = NUL;
|
|
|
5705 msg_start();
|
|
|
5706 msg_clr_eos();
|
|
|
5707 msg_puts_attr(prompt, echo_attr);
|
|
|
5708 msg_didout = FALSE;
|
|
|
5709 msg_starthere();
|
|
|
5710 *p = c;
|
|
|
5711 }
|
|
|
5712 cmdline_row = msg_row;
|
|
|
5713 }
|
|
|
5714
|
|
|
5715 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5716 stuffReadbuffSpec(get_var_string_buf(&argvars[1], buf));
|
|
|
5717
|
|
|
5718 retvar->var_val.var_string =
|
|
|
5719 getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr);
|
|
|
5720
|
|
|
5721 /* since the user typed this, no need to wait for return */
|
|
|
5722 need_wait_return = FALSE;
|
|
|
5723 msg_didout = FALSE;
|
|
|
5724 cmd_silent = cmd_silent_save;
|
|
|
5725 }
|
|
|
5726
|
|
|
5727 /*
|
|
|
5728 * "inputdialog()" function
|
|
|
5729 */
|
|
|
5730 static void
|
|
|
5731 f_inputdialog(argvars, retvar)
|
|
|
5732 VAR argvars;
|
|
|
5733 VAR retvar;
|
|
|
5734 {
|
|
|
5735 #if defined(FEAT_GUI_TEXTDIALOG)
|
|
|
5736 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
|
|
|
5737 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
|
|
|
5738 {
|
|
|
5739 char_u *message;
|
|
|
5740 char_u buf[NUMBUFLEN];
|
|
|
5741
|
|
|
5742 message = get_var_string(&argvars[0]);
|
|
|
5743 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5744 {
|
|
|
5745 STRNCPY(IObuff, get_var_string_buf(&argvars[1], buf), IOSIZE);
|
|
|
5746 IObuff[IOSIZE - 1] = NUL;
|
|
|
5747 }
|
|
|
5748 else
|
|
|
5749 IObuff[0] = NUL;
|
|
|
5750 if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"),
|
|
|
5751 1, IObuff) == 1)
|
|
|
5752 retvar->var_val.var_string = vim_strsave(IObuff);
|
|
|
5753 else
|
|
|
5754 {
|
|
|
5755 if (argvars[1].var_type != VAR_UNKNOWN
|
|
|
5756 && argvars[2].var_type != VAR_UNKNOWN)
|
|
|
5757 retvar->var_val.var_string = vim_strsave(
|
|
|
5758 get_var_string_buf(&argvars[2], buf));
|
|
|
5759 else
|
|
|
5760 retvar->var_val.var_string = NULL;
|
|
|
5761 }
|
|
|
5762 retvar->var_type = VAR_STRING;
|
|
|
5763 }
|
|
|
5764 else
|
|
|
5765 #endif
|
|
|
5766 f_input(argvars, retvar);
|
|
|
5767 }
|
|
|
5768
|
|
|
5769 static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
|
|
|
5770
|
|
|
5771 /*
|
|
|
5772 * "inputrestore()" function
|
|
|
5773 */
|
|
|
5774 /*ARGSUSED*/
|
|
|
5775 static void
|
|
|
5776 f_inputrestore(argvars, retvar)
|
|
|
5777 VAR argvars;
|
|
|
5778 VAR retvar;
|
|
|
5779 {
|
|
|
5780 if (ga_userinput.ga_len > 0)
|
|
|
5781 {
|
|
|
5782 --ga_userinput.ga_len;
|
|
|
5783 ++ga_userinput.ga_room;
|
|
|
5784 restore_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5785 + ga_userinput.ga_len);
|
|
|
5786 retvar->var_val.var_number = 0; /* OK */
|
|
|
5787 }
|
|
|
5788 else if (p_verbose > 1)
|
|
|
5789 {
|
|
|
5790 msg((char_u *)_("called inputrestore() more often than inputsave()"));
|
|
|
5791 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5792 }
|
|
|
5793 }
|
|
|
5794
|
|
|
5795 /*
|
|
|
5796 * "inputsave()" function
|
|
|
5797 */
|
|
|
5798 /*ARGSUSED*/
|
|
|
5799 static void
|
|
|
5800 f_inputsave(argvars, retvar)
|
|
|
5801 VAR argvars;
|
|
|
5802 VAR retvar;
|
|
|
5803 {
|
|
|
5804 /* Add an entry to the stack of typehead storage. */
|
|
|
5805 if (ga_grow(&ga_userinput, 1) == OK)
|
|
|
5806 {
|
|
|
5807 save_typeahead((tasave_T *)(ga_userinput.ga_data)
|
|
|
5808 + ga_userinput.ga_len);
|
|
|
5809 ++ga_userinput.ga_len;
|
|
|
5810 --ga_userinput.ga_room;
|
|
|
5811 retvar->var_val.var_number = 0; /* OK */
|
|
|
5812 }
|
|
|
5813 else
|
|
|
5814 retvar->var_val.var_number = 1; /* Failed */
|
|
|
5815 }
|
|
|
5816
|
|
|
5817 /*
|
|
|
5818 * "inputsecret()" function
|
|
|
5819 */
|
|
|
5820 static void
|
|
|
5821 f_inputsecret(argvars, retvar)
|
|
|
5822 VAR argvars;
|
|
|
5823 VAR retvar;
|
|
|
5824 {
|
|
|
5825 ++cmdline_star;
|
|
|
5826 ++inputsecret_flag;
|
|
|
5827 f_input(argvars, retvar);
|
|
|
5828 --cmdline_star;
|
|
|
5829 --inputsecret_flag;
|
|
|
5830 }
|
|
|
5831
|
|
|
5832 /*
|
|
|
5833 * "isdirectory()" function
|
|
|
5834 */
|
|
|
5835 static void
|
|
|
5836 f_isdirectory(argvars, retvar)
|
|
|
5837 VAR argvars;
|
|
|
5838 VAR retvar;
|
|
|
5839 {
|
|
|
5840 retvar->var_val.var_number = mch_isdir(get_var_string(&argvars[0]));
|
|
|
5841 }
|
|
|
5842
|
|
|
5843 /*
|
|
|
5844 * "last_buffer_nr()" function.
|
|
|
5845 */
|
|
|
5846 /*ARGSUSED*/
|
|
|
5847 static void
|
|
|
5848 f_last_buffer_nr(argvars, retvar)
|
|
|
5849 VAR argvars;
|
|
|
5850 VAR retvar;
|
|
|
5851 {
|
|
|
5852 int n = 0;
|
|
|
5853 buf_T *buf;
|
|
|
5854
|
|
|
5855 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5856 if (n < buf->b_fnum)
|
|
|
5857 n = buf->b_fnum;
|
|
|
5858
|
|
|
5859 retvar->var_val.var_number = n;
|
|
|
5860 }
|
|
|
5861
|
|
|
5862 /*
|
|
|
5863 * "line(string)" function
|
|
|
5864 */
|
|
|
5865 static void
|
|
|
5866 f_line(argvars, retvar)
|
|
|
5867 VAR argvars;
|
|
|
5868 VAR retvar;
|
|
|
5869 {
|
|
|
5870 linenr_T lnum = 0;
|
|
|
5871 pos_T *fp;
|
|
|
5872
|
|
|
5873 fp = var2fpos(&argvars[0], TRUE);
|
|
|
5874 if (fp != NULL)
|
|
|
5875 lnum = fp->lnum;
|
|
|
5876 retvar->var_val.var_number = lnum;
|
|
|
5877 }
|
|
|
5878
|
|
|
5879 /*
|
|
|
5880 * "line2byte(lnum)" function
|
|
|
5881 */
|
|
|
5882 /*ARGSUSED*/
|
|
|
5883 static void
|
|
|
5884 f_line2byte(argvars, retvar)
|
|
|
5885 VAR argvars;
|
|
|
5886 VAR retvar;
|
|
|
5887 {
|
|
|
5888 #ifndef FEAT_BYTEOFF
|
|
|
5889 retvar->var_val.var_number = -1;
|
|
|
5890 #else
|
|
|
5891 linenr_T lnum;
|
|
|
5892
|
|
|
5893 lnum = get_var_lnum(argvars);
|
|
|
5894 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
|
|
|
5895 retvar->var_val.var_number = -1;
|
|
|
5896 else
|
|
|
5897 retvar->var_val.var_number = ml_find_line_or_offset(curbuf, lnum, NULL);
|
|
|
5898 if (retvar->var_val.var_number >= 0)
|
|
|
5899 ++retvar->var_val.var_number;
|
|
|
5900 #endif
|
|
|
5901 }
|
|
|
5902
|
|
|
5903 /*
|
|
|
5904 * "lispindent(lnum)" function
|
|
|
5905 */
|
|
|
5906 static void
|
|
|
5907 f_lispindent(argvars, retvar)
|
|
|
5908 VAR argvars;
|
|
|
5909 VAR retvar;
|
|
|
5910 {
|
|
|
5911 #ifdef FEAT_LISP
|
|
|
5912 pos_T pos;
|
|
|
5913 linenr_T lnum;
|
|
|
5914
|
|
|
5915 pos = curwin->w_cursor;
|
|
|
5916 lnum = get_var_lnum(argvars);
|
|
|
5917 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
|
|
|
5918 {
|
|
|
5919 curwin->w_cursor.lnum = lnum;
|
|
|
5920 retvar->var_val.var_number = get_lisp_indent();
|
|
|
5921 curwin->w_cursor = pos;
|
|
|
5922 }
|
|
|
5923 else
|
|
|
5924 #endif
|
|
|
5925 retvar->var_val.var_number = -1;
|
|
|
5926 }
|
|
|
5927
|
|
|
5928 /*
|
|
|
5929 * "localtime()" function
|
|
|
5930 */
|
|
|
5931 /*ARGSUSED*/
|
|
|
5932 static void
|
|
|
5933 f_localtime(argvars, retvar)
|
|
|
5934 VAR argvars;
|
|
|
5935 VAR retvar;
|
|
|
5936 {
|
|
|
5937 retvar->var_val.var_number = (varnumber_T)time(NULL);
|
|
|
5938 }
|
|
|
5939
|
|
|
5940 /*
|
|
|
5941 * "maparg()" function
|
|
|
5942 */
|
|
|
5943 static void
|
|
|
5944 f_maparg(argvars, retvar)
|
|
|
5945 VAR argvars;
|
|
|
5946 VAR retvar;
|
|
|
5947 {
|
|
|
5948 get_maparg(argvars, retvar, TRUE);
|
|
|
5949 }
|
|
|
5950
|
|
|
5951 /*
|
|
|
5952 * "mapcheck()" function
|
|
|
5953 */
|
|
|
5954 static void
|
|
|
5955 f_mapcheck(argvars, retvar)
|
|
|
5956 VAR argvars;
|
|
|
5957 VAR retvar;
|
|
|
5958 {
|
|
|
5959 get_maparg(argvars, retvar, FALSE);
|
|
|
5960 }
|
|
|
5961
|
|
|
5962 static void
|
|
|
5963 get_maparg(argvars, retvar, exact)
|
|
|
5964 VAR argvars;
|
|
|
5965 VAR retvar;
|
|
|
5966 int exact;
|
|
|
5967 {
|
|
|
5968 char_u *keys;
|
|
|
5969 char_u *which;
|
|
|
5970 char_u buf[NUMBUFLEN];
|
|
|
5971 char_u *keys_buf = NULL;
|
|
|
5972 char_u *rhs;
|
|
|
5973 int mode;
|
|
|
5974 garray_T ga;
|
|
|
5975
|
|
|
5976 /* return empty string for failure */
|
|
|
5977 retvar->var_type = VAR_STRING;
|
|
|
5978 retvar->var_val.var_string = NULL;
|
|
|
5979
|
|
|
5980 keys = get_var_string(&argvars[0]);
|
|
|
5981 if (*keys == NUL)
|
|
|
5982 return;
|
|
|
5983
|
|
|
5984 if (argvars[1].var_type != VAR_UNKNOWN)
|
|
|
5985 which = get_var_string_buf(&argvars[1], buf);
|
|
|
5986 else
|
|
|
5987 which = (char_u *)"";
|
|
|
5988 mode = get_map_mode(&which, 0);
|
|
|
5989
|
|
|
5990 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
|
|
|
5991 rhs = check_map(keys, mode, exact);
|
|
|
5992 vim_free(keys_buf);
|
|
|
5993 if (rhs != NULL)
|
|
|
5994 {
|
|
|
5995 ga_init(&ga);
|
|
|
5996 ga.ga_itemsize = 1;
|
|
|
5997 ga.ga_growsize = 40;
|
|
|
5998
|
|
|
5999 while (*rhs != NUL)
|
|
|
6000 ga_concat(&ga, str2special(&rhs, FALSE));
|
|
|
6001
|
|
|
6002 ga_append(&ga, NUL);
|
|
|
6003 retvar->var_val.var_string = (char_u *)ga.ga_data;
|
|
|
6004 }
|
|
|
6005 }
|
|
|
6006
|
|
|
6007 /*
|
|
|
6008 * "match()" function
|
|
|
6009 */
|
|
|
6010 static void
|
|
|
6011 f_match(argvars, retvar)
|
|
|
6012 VAR argvars;
|
|
|
6013 VAR retvar;
|
|
|
6014 {
|
|
|
6015 find_some_match(argvars, retvar, 1);
|
|
|
6016 }
|
|
|
6017
|
|
|
6018 /*
|
|
|
6019 * "matchend()" function
|
|
|
6020 */
|
|
|
6021 static void
|
|
|
6022 f_matchend(argvars, retvar)
|
|
|
6023 VAR argvars;
|
|
|
6024 VAR retvar;
|
|
|
6025 {
|
|
|
6026 find_some_match(argvars, retvar, 0);
|
|
|
6027 }
|
|
|
6028
|
|
|
6029 /*
|
|
|
6030 * "matchstr()" function
|
|
|
6031 */
|
|
|
6032 static void
|
|
|
6033 f_matchstr(argvars, retvar)
|
|
|
6034 VAR argvars;
|
|
|
6035 VAR retvar;
|
|
|
6036 {
|
|
|
6037 find_some_match(argvars, retvar, 2);
|
|
|
6038 }
|
|
|
6039
|
|
|
6040 static void
|
|
|
6041 find_some_match(argvars, retvar, type)
|
|
|
6042 VAR argvars;
|
|
|
6043 VAR retvar;
|
|
|
6044 int type;
|
|
|
6045 {
|
|
|
6046 char_u *str;
|
|
19
|
6047 char_u *expr;
|
|
7
|
6048 char_u *pat;
|
|
|
6049 regmatch_T regmatch;
|
|
|
6050 char_u patbuf[NUMBUFLEN];
|
|
|
6051 char_u *save_cpo;
|
|
|
6052 long start = 0;
|
|
19
|
6053 long nth = 1;
|
|
|
6054 int match;
|
|
7
|
6055
|
|
|
6056 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6057 save_cpo = p_cpo;
|
|
|
6058 p_cpo = (char_u *)"";
|
|
|
6059
|
|
19
|
6060 expr = str = get_var_string(&argvars[0]);
|
|
7
|
6061 pat = get_var_string_buf(&argvars[1], patbuf);
|
|
|
6062
|
|
|
6063 if (type == 2)
|
|
|
6064 {
|
|
|
6065 retvar->var_type = VAR_STRING;
|
|
|
6066 retvar->var_val.var_string = NULL;
|
|
|
6067 }
|
|
|
6068 else
|
|
|
6069 retvar->var_val.var_number = -1;
|
|
|
6070
|
|
|
6071 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6072 {
|
|
|
6073 start = get_var_number(&argvars[2]);
|
|
|
6074 if (start < 0)
|
|
|
6075 start = 0;
|
|
|
6076 if (start > (long)STRLEN(str))
|
|
|
6077 goto theend;
|
|
|
6078 str += start;
|
|
19
|
6079
|
|
|
6080 if (argvars[3].var_type != VAR_UNKNOWN)
|
|
|
6081 nth = get_var_number(&argvars[3]);
|
|
7
|
6082 }
|
|
|
6083
|
|
|
6084 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
6085 if (regmatch.regprog != NULL)
|
|
|
6086 {
|
|
|
6087 regmatch.rm_ic = p_ic;
|
|
19
|
6088
|
|
|
6089 while (1)
|
|
|
6090 {
|
|
|
6091 match = vim_regexec_nl(®match, str, (colnr_T)0);
|
|
|
6092 if (!match || --nth <= 0)
|
|
|
6093 break;
|
|
|
6094 /* Advance to just after the match. */
|
|
|
6095 #ifdef FEAT_MBYTE
|
|
|
6096 str = regmatch.startp[0] + mb_ptr2len_check(regmatch.startp[0]);
|
|
|
6097 #else
|
|
|
6098 str = regmatch.startp[0] + 1;
|
|
|
6099 #endif
|
|
|
6100 }
|
|
|
6101
|
|
|
6102 if (match)
|
|
7
|
6103 {
|
|
|
6104 if (type == 2)
|
|
|
6105 retvar->var_val.var_string = vim_strnsave(regmatch.startp[0],
|
|
|
6106 (int)(regmatch.endp[0] - regmatch.startp[0]));
|
|
|
6107 else
|
|
|
6108 {
|
|
|
6109 if (type != 0)
|
|
|
6110 retvar->var_val.var_number =
|
|
|
6111 (varnumber_T)(regmatch.startp[0] - str);
|
|
|
6112 else
|
|
|
6113 retvar->var_val.var_number =
|
|
|
6114 (varnumber_T)(regmatch.endp[0] - str);
|
|
19
|
6115 retvar->var_val.var_number += str - expr;
|
|
7
|
6116 }
|
|
|
6117 }
|
|
|
6118 vim_free(regmatch.regprog);
|
|
|
6119 }
|
|
|
6120
|
|
|
6121 theend:
|
|
|
6122 p_cpo = save_cpo;
|
|
|
6123 }
|
|
|
6124
|
|
|
6125 /*
|
|
|
6126 * "mode()" function
|
|
|
6127 */
|
|
|
6128 /*ARGSUSED*/
|
|
|
6129 static void
|
|
|
6130 f_mode(argvars, retvar)
|
|
|
6131 VAR argvars;
|
|
|
6132 VAR retvar;
|
|
|
6133 {
|
|
|
6134 char_u buf[2];
|
|
|
6135
|
|
|
6136 #ifdef FEAT_VISUAL
|
|
|
6137 if (VIsual_active)
|
|
|
6138 {
|
|
|
6139 if (VIsual_select)
|
|
|
6140 buf[0] = VIsual_mode + 's' - 'v';
|
|
|
6141 else
|
|
|
6142 buf[0] = VIsual_mode;
|
|
|
6143 }
|
|
|
6144 else
|
|
|
6145 #endif
|
|
|
6146 if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
|
|
|
6147 buf[0] = 'r';
|
|
|
6148 else if (State & INSERT)
|
|
|
6149 {
|
|
|
6150 if (State & REPLACE_FLAG)
|
|
|
6151 buf[0] = 'R';
|
|
|
6152 else
|
|
|
6153 buf[0] = 'i';
|
|
|
6154 }
|
|
|
6155 else if (State & CMDLINE)
|
|
|
6156 buf[0] = 'c';
|
|
|
6157 else
|
|
|
6158 buf[0] = 'n';
|
|
|
6159
|
|
|
6160 buf[1] = NUL;
|
|
|
6161 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
6162 retvar->var_type = VAR_STRING;
|
|
|
6163 }
|
|
|
6164
|
|
|
6165 /*
|
|
|
6166 * "nr2char()" function
|
|
|
6167 */
|
|
|
6168 static void
|
|
|
6169 f_nr2char(argvars, retvar)
|
|
|
6170 VAR argvars;
|
|
|
6171 VAR retvar;
|
|
|
6172 {
|
|
|
6173 char_u buf[NUMBUFLEN];
|
|
|
6174
|
|
|
6175 #ifdef FEAT_MBYTE
|
|
|
6176 if (has_mbyte)
|
|
|
6177 buf[(*mb_char2bytes)((int)get_var_number(&argvars[0]), buf)] = NUL;
|
|
|
6178 else
|
|
|
6179 #endif
|
|
|
6180 {
|
|
|
6181 buf[0] = (char_u)get_var_number(&argvars[0]);
|
|
|
6182 buf[1] = NUL;
|
|
|
6183 }
|
|
|
6184 retvar->var_type = VAR_STRING;
|
|
|
6185 retvar->var_val.var_string = vim_strsave(buf);
|
|
|
6186 }
|
|
|
6187
|
|
|
6188 /*
|
|
|
6189 * "rename({from}, {to})" function
|
|
|
6190 */
|
|
|
6191 static void
|
|
|
6192 f_rename(argvars, retvar)
|
|
|
6193 VAR argvars;
|
|
|
6194 VAR retvar;
|
|
|
6195 {
|
|
|
6196 char_u buf[NUMBUFLEN];
|
|
|
6197
|
|
|
6198 if (check_restricted() || check_secure())
|
|
|
6199 retvar->var_val.var_number = -1;
|
|
|
6200 else
|
|
|
6201 retvar->var_val.var_number = vim_rename(get_var_string(&argvars[0]),
|
|
|
6202 get_var_string_buf(&argvars[1], buf));
|
|
|
6203 }
|
|
|
6204
|
|
|
6205 /*
|
|
|
6206 * "resolve()" function
|
|
|
6207 */
|
|
|
6208 static void
|
|
|
6209 f_resolve(argvars, retvar)
|
|
|
6210 VAR argvars;
|
|
|
6211 VAR retvar;
|
|
|
6212 {
|
|
|
6213 char_u *p;
|
|
|
6214
|
|
|
6215 p = get_var_string(&argvars[0]);
|
|
|
6216 #ifdef FEAT_SHORTCUT
|
|
|
6217 {
|
|
|
6218 char_u *v = NULL;
|
|
|
6219
|
|
|
6220 v = mch_resolve_shortcut(p);
|
|
|
6221 if (v != NULL)
|
|
|
6222 retvar->var_val.var_string = v;
|
|
|
6223 else
|
|
|
6224 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6225 }
|
|
|
6226 #else
|
|
|
6227 # ifdef HAVE_READLINK
|
|
|
6228 {
|
|
|
6229 char_u buf[MAXPATHL + 1];
|
|
|
6230 char_u *cpy;
|
|
|
6231 int len;
|
|
|
6232 char_u *remain = NULL;
|
|
|
6233 char_u *q;
|
|
|
6234 int is_relative_to_current = FALSE;
|
|
|
6235 int has_trailing_pathsep = FALSE;
|
|
|
6236 int limit = 100;
|
|
|
6237
|
|
|
6238 p = vim_strsave(p);
|
|
|
6239
|
|
|
6240 if (p[0] == '.' && (vim_ispathsep(p[1])
|
|
|
6241 || (p[1] == '.' && (vim_ispathsep(p[2])))))
|
|
|
6242 is_relative_to_current = TRUE;
|
|
|
6243
|
|
|
6244 len = STRLEN(p);
|
|
|
6245 if (len > 0 && vim_ispathsep(p[len-1]))
|
|
|
6246 has_trailing_pathsep = TRUE;
|
|
|
6247
|
|
|
6248 q = getnextcomp(p);
|
|
|
6249 if (*q != NUL)
|
|
|
6250 {
|
|
|
6251 /* Separate the first path component in "p", and keep the
|
|
|
6252 * remainder (beginning with the path separator). */
|
|
|
6253 remain = vim_strsave(q - 1);
|
|
|
6254 q[-1] = NUL;
|
|
|
6255 }
|
|
|
6256
|
|
|
6257 for (;;)
|
|
|
6258 {
|
|
|
6259 for (;;)
|
|
|
6260 {
|
|
|
6261 len = readlink((char *)p, (char *)buf, MAXPATHL);
|
|
|
6262 if (len <= 0)
|
|
|
6263 break;
|
|
|
6264 buf[len] = NUL;
|
|
|
6265
|
|
|
6266 if (limit-- == 0)
|
|
|
6267 {
|
|
|
6268 vim_free(p);
|
|
|
6269 vim_free(remain);
|
|
|
6270 EMSG(_("E655: Too many symbolic links (cycle?)"));
|
|
|
6271 retvar->var_val.var_string = NULL;
|
|
|
6272 goto fail;
|
|
|
6273 }
|
|
|
6274
|
|
|
6275 /* Ensure that the result will have a trailing path separator
|
|
|
6276 * if the argument has one. */
|
|
|
6277 if (remain == NULL && has_trailing_pathsep)
|
|
|
6278 add_pathsep(buf);
|
|
|
6279
|
|
|
6280 /* Separate the first path component in the link value and
|
|
|
6281 * concatenate the remainders. */
|
|
|
6282 q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
|
|
|
6283 if (*q != NUL)
|
|
|
6284 {
|
|
|
6285 if (remain == NULL)
|
|
|
6286 remain = vim_strsave(q - 1);
|
|
|
6287 else
|
|
|
6288 {
|
|
|
6289 cpy = vim_strnsave(q-1, STRLEN(q-1)+STRLEN(remain));
|
|
|
6290 if (cpy != NULL)
|
|
|
6291 {
|
|
|
6292 STRCAT(cpy, remain);
|
|
|
6293 vim_free(remain);
|
|
|
6294 remain = cpy;
|
|
|
6295 }
|
|
|
6296 }
|
|
|
6297 q[-1] = NUL;
|
|
|
6298 }
|
|
|
6299
|
|
|
6300 q = gettail(p);
|
|
|
6301 if (q > p && *q == NUL)
|
|
|
6302 {
|
|
|
6303 /* Ignore trailing path separator. */
|
|
|
6304 q[-1] = NUL;
|
|
|
6305 q = gettail(p);
|
|
|
6306 }
|
|
|
6307 if (q > p && !mch_isFullName(buf))
|
|
|
6308 {
|
|
|
6309 /* symlink is relative to directory of argument */
|
|
|
6310 cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
|
|
|
6311 if (cpy != NULL)
|
|
|
6312 {
|
|
|
6313 STRCPY(cpy, p);
|
|
|
6314 STRCPY(gettail(cpy), buf);
|
|
|
6315 vim_free(p);
|
|
|
6316 p = cpy;
|
|
|
6317 }
|
|
|
6318 }
|
|
|
6319 else
|
|
|
6320 {
|
|
|
6321 vim_free(p);
|
|
|
6322 p = vim_strsave(buf);
|
|
|
6323 }
|
|
|
6324 }
|
|
|
6325
|
|
|
6326 if (remain == NULL)
|
|
|
6327 break;
|
|
|
6328
|
|
|
6329 /* Append the first path component of "remain" to "p". */
|
|
|
6330 q = getnextcomp(remain + 1);
|
|
|
6331 len = q - remain - (*q != NUL);
|
|
|
6332 cpy = vim_strnsave(p, STRLEN(p) + len);
|
|
|
6333 if (cpy != NULL)
|
|
|
6334 {
|
|
|
6335 STRNCAT(cpy, remain, len);
|
|
|
6336 vim_free(p);
|
|
|
6337 p = cpy;
|
|
|
6338 }
|
|
|
6339 /* Shorten "remain". */
|
|
|
6340 if (*q != NUL)
|
|
|
6341 STRCPY(remain, q - 1);
|
|
|
6342 else
|
|
|
6343 {
|
|
|
6344 vim_free(remain);
|
|
|
6345 remain = NULL;
|
|
|
6346 }
|
|
|
6347 }
|
|
|
6348
|
|
|
6349 /* If the result is a relative path name, make it explicitly relative to
|
|
|
6350 * the current directory if and only if the argument had this form. */
|
|
|
6351 if (!vim_ispathsep(*p))
|
|
|
6352 {
|
|
|
6353 if (is_relative_to_current
|
|
|
6354 && *p != NUL
|
|
|
6355 && !(p[0] == '.'
|
|
|
6356 && (p[1] == NUL
|
|
|
6357 || vim_ispathsep(p[1])
|
|
|
6358 || (p[1] == '.'
|
|
|
6359 && (p[2] == NUL
|
|
|
6360 || vim_ispathsep(p[2]))))))
|
|
|
6361 {
|
|
|
6362 /* Prepend "./". */
|
|
|
6363 cpy = vim_strnsave((char_u *)"./", 2 + STRLEN(p));
|
|
|
6364 if (cpy != NULL)
|
|
|
6365 {
|
|
|
6366 STRCAT(cpy, p);
|
|
|
6367 vim_free(p);
|
|
|
6368 p = cpy;
|
|
|
6369 }
|
|
|
6370 }
|
|
|
6371 else if (!is_relative_to_current)
|
|
|
6372 {
|
|
|
6373 /* Strip leading "./". */
|
|
|
6374 q = p;
|
|
|
6375 while (q[0] == '.' && vim_ispathsep(q[1]))
|
|
|
6376 q += 2;
|
|
|
6377 if (q > p)
|
|
|
6378 mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1);
|
|
|
6379 }
|
|
|
6380 }
|
|
|
6381
|
|
|
6382 /* Ensure that the result will have no trailing path separator
|
|
|
6383 * if the argument had none. But keep "/" or "//". */
|
|
|
6384 if (!has_trailing_pathsep)
|
|
|
6385 {
|
|
|
6386 q = p + STRLEN(p);
|
|
|
6387 while ((q > p + 2 || (q == p + 2 && !vim_ispathsep(*p)))
|
|
|
6388 && vim_ispathsep(q[-1]))
|
|
|
6389 --q;
|
|
|
6390 *q = NUL;
|
|
|
6391 }
|
|
|
6392
|
|
|
6393 retvar->var_val.var_string = p;
|
|
|
6394 }
|
|
|
6395 # else
|
|
|
6396 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6397 # endif
|
|
|
6398 #endif
|
|
|
6399
|
|
|
6400 simplify_filename(retvar->var_val.var_string);
|
|
|
6401
|
|
|
6402 #ifdef HAVE_READLINK
|
|
|
6403 fail:
|
|
|
6404 #endif
|
|
|
6405 retvar->var_type = VAR_STRING;
|
|
|
6406 }
|
|
|
6407
|
|
|
6408 /*
|
|
|
6409 * "simplify()" function
|
|
|
6410 */
|
|
|
6411 static void
|
|
|
6412 f_simplify(argvars, retvar)
|
|
|
6413 VAR argvars;
|
|
|
6414 VAR retvar;
|
|
|
6415 {
|
|
|
6416 char_u *p;
|
|
|
6417
|
|
|
6418 p = get_var_string(&argvars[0]);
|
|
|
6419 retvar->var_val.var_string = vim_strsave(p);
|
|
|
6420 simplify_filename(retvar->var_val.var_string); /* simplify in place */
|
|
|
6421 retvar->var_type = VAR_STRING;
|
|
|
6422 }
|
|
|
6423
|
|
20
|
6424 #define SP_NOMOVE 1 /* don't move cursor */
|
|
|
6425 #define SP_REPEAT 2 /* repeat to find outer pair */
|
|
|
6426 #define SP_RETCOUNT 4 /* return matchcount */
|
|
|
6427
|
|
7
|
6428 /*
|
|
|
6429 * "search()" function
|
|
|
6430 */
|
|
|
6431 static void
|
|
|
6432 f_search(argvars, retvar)
|
|
|
6433 VAR argvars;
|
|
|
6434 VAR retvar;
|
|
|
6435 {
|
|
|
6436 char_u *pat;
|
|
|
6437 pos_T pos;
|
|
20
|
6438 pos_T save_cursor;
|
|
7
|
6439 int save_p_ws = p_ws;
|
|
|
6440 int dir;
|
|
20
|
6441 int flags = 0;
|
|
|
6442
|
|
|
6443 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
7
|
6444
|
|
|
6445 pat = get_var_string(&argvars[0]);
|
|
20
|
6446 dir = get_search_arg(&argvars[1], &flags); /* may set p_ws */
|
|
|
6447 if (dir == 0)
|
|
|
6448 goto theend;
|
|
|
6449 if ((flags & ~SP_NOMOVE) != 0)
|
|
|
6450 {
|
|
|
6451 EMSG2(_(e_invarg2), get_var_string(&argvars[1]));
|
|
|
6452 goto theend;
|
|
|
6453 }
|
|
|
6454
|
|
|
6455 pos = save_cursor = curwin->w_cursor;
|
|
7
|
6456 if (searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6457 SEARCH_KEEP, RE_SEARCH) != FAIL)
|
|
|
6458 {
|
|
|
6459 retvar->var_val.var_number = pos.lnum;
|
|
|
6460 curwin->w_cursor = pos;
|
|
|
6461 /* "/$" will put the cursor after the end of the line, may need to
|
|
|
6462 * correct that here */
|
|
|
6463 check_cursor();
|
|
|
6464 }
|
|
20
|
6465
|
|
|
6466 /* If 'n' flag is used: restore cursor position. */
|
|
|
6467 if (flags & SP_NOMOVE)
|
|
|
6468 curwin->w_cursor = save_cursor;
|
|
|
6469 theend:
|
|
7
|
6470 p_ws = save_p_ws;
|
|
|
6471 }
|
|
|
6472
|
|
|
6473 /*
|
|
|
6474 * "searchpair()" function
|
|
|
6475 */
|
|
|
6476 static void
|
|
|
6477 f_searchpair(argvars, retvar)
|
|
|
6478 VAR argvars;
|
|
|
6479 VAR retvar;
|
|
|
6480 {
|
|
|
6481 char_u *spat, *mpat, *epat;
|
|
|
6482 char_u *skip;
|
|
|
6483 char_u *pat, *pat2, *pat3;
|
|
|
6484 pos_T pos;
|
|
|
6485 pos_T firstpos;
|
|
|
6486 pos_T save_cursor;
|
|
|
6487 pos_T save_pos;
|
|
|
6488 int save_p_ws = p_ws;
|
|
|
6489 char_u *save_cpo;
|
|
|
6490 int dir;
|
|
|
6491 int flags = 0;
|
|
|
6492 char_u nbuf1[NUMBUFLEN];
|
|
|
6493 char_u nbuf2[NUMBUFLEN];
|
|
|
6494 char_u nbuf3[NUMBUFLEN];
|
|
|
6495 int n;
|
|
|
6496 int r;
|
|
|
6497 int nest = 1;
|
|
|
6498 int err;
|
|
|
6499
|
|
|
6500 retvar->var_val.var_number = 0; /* default: FAIL */
|
|
|
6501
|
|
|
6502 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
|
|
|
6503 save_cpo = p_cpo;
|
|
|
6504 p_cpo = (char_u *)"";
|
|
|
6505
|
|
|
6506 /* Get the three pattern arguments: start, middle, end. */
|
|
|
6507 spat = get_var_string(&argvars[0]);
|
|
|
6508 mpat = get_var_string_buf(&argvars[1], nbuf1);
|
|
|
6509 epat = get_var_string_buf(&argvars[2], nbuf2);
|
|
|
6510
|
|
|
6511 /* Make two search patterns: start/end (pat2, for in nested pairs) and
|
|
|
6512 * start/middle/end (pat3, for the top pair). */
|
|
|
6513 pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
|
|
|
6514 pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
|
|
|
6515 if (pat2 == NULL || pat3 == NULL)
|
|
|
6516 goto theend;
|
|
|
6517 sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
|
|
|
6518 if (*mpat == NUL)
|
|
|
6519 STRCPY(pat3, pat2);
|
|
|
6520 else
|
|
|
6521 sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
|
|
|
6522 spat, epat, mpat);
|
|
|
6523
|
|
|
6524 /* Handle the optional fourth argument: flags */
|
|
|
6525 dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
|
|
20
|
6526 if (dir == 0)
|
|
|
6527 goto theend;
|
|
7
|
6528
|
|
|
6529 /* Optional fifth argument: skip expresion */
|
|
|
6530 if (argvars[3].var_type == VAR_UNKNOWN
|
|
|
6531 || argvars[4].var_type == VAR_UNKNOWN)
|
|
|
6532 skip = (char_u *)"";
|
|
|
6533 else
|
|
|
6534 skip = get_var_string_buf(&argvars[4], nbuf3);
|
|
|
6535
|
|
|
6536 save_cursor = curwin->w_cursor;
|
|
|
6537 pos = curwin->w_cursor;
|
|
|
6538 firstpos.lnum = 0;
|
|
|
6539 pat = pat3;
|
|
|
6540 for (;;)
|
|
|
6541 {
|
|
|
6542 n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
|
|
|
6543 SEARCH_KEEP, RE_SEARCH);
|
|
|
6544 if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
|
|
|
6545 /* didn't find it or found the first match again: FAIL */
|
|
|
6546 break;
|
|
|
6547
|
|
|
6548 if (firstpos.lnum == 0)
|
|
|
6549 firstpos = pos;
|
|
|
6550
|
|
|
6551 /* If the skip pattern matches, ignore this match. */
|
|
|
6552 if (*skip != NUL)
|
|
|
6553 {
|
|
|
6554 save_pos = curwin->w_cursor;
|
|
|
6555 curwin->w_cursor = pos;
|
|
|
6556 r = eval_to_bool(skip, &err, NULL, FALSE);
|
|
|
6557 curwin->w_cursor = save_pos;
|
|
|
6558 if (err)
|
|
|
6559 {
|
|
|
6560 /* Evaluating {skip} caused an error, break here. */
|
|
|
6561 curwin->w_cursor = save_cursor;
|
|
|
6562 retvar->var_val.var_number = -1;
|
|
|
6563 break;
|
|
|
6564 }
|
|
|
6565 if (r)
|
|
|
6566 continue;
|
|
|
6567 }
|
|
|
6568
|
|
|
6569 if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
|
|
|
6570 {
|
|
|
6571 /* Found end when searching backwards or start when searching
|
|
|
6572 * forward: nested pair. */
|
|
|
6573 ++nest;
|
|
|
6574 pat = pat2; /* nested, don't search for middle */
|
|
|
6575 }
|
|
|
6576 else
|
|
|
6577 {
|
|
|
6578 /* Found end when searching forward or start when searching
|
|
|
6579 * backward: end of (nested) pair; or found middle in outer pair. */
|
|
|
6580 if (--nest == 1)
|
|
|
6581 pat = pat3; /* outer level, search for middle */
|
|
|
6582 }
|
|
|
6583
|
|
|
6584 if (nest == 0)
|
|
|
6585 {
|
|
|
6586 /* Found the match: return matchcount or line number. */
|
|
|
6587 if (flags & SP_RETCOUNT)
|
|
|
6588 ++retvar->var_val.var_number;
|
|
|
6589 else
|
|
|
6590 retvar->var_val.var_number = pos.lnum;
|
|
|
6591 curwin->w_cursor = pos;
|
|
|
6592 if (!(flags & SP_REPEAT))
|
|
|
6593 break;
|
|
|
6594 nest = 1; /* search for next unmatched */
|
|
|
6595 }
|
|
|
6596 }
|
|
|
6597
|
|
|
6598 /* If 'n' flag is used or search failed: restore cursor position. */
|
|
|
6599 if ((flags & SP_NOMOVE) || retvar->var_val.var_number == 0)
|
|
|
6600 curwin->w_cursor = save_cursor;
|
|
|
6601
|
|
|
6602 theend:
|
|
|
6603 vim_free(pat2);
|
|
|
6604 vim_free(pat3);
|
|
|
6605 p_ws = save_p_ws;
|
|
|
6606 p_cpo = save_cpo;
|
|
|
6607 }
|
|
|
6608
|
|
20
|
6609 /*
|
|
|
6610 * Get flags for a search function.
|
|
|
6611 * Possibly sets "p_ws".
|
|
|
6612 * Returns BACKWARD, FORWARD or zero (for an error).
|
|
|
6613 */
|
|
7
|
6614 static int
|
|
|
6615 get_search_arg(varp, flagsp)
|
|
|
6616 VAR varp;
|
|
|
6617 int *flagsp;
|
|
|
6618 {
|
|
|
6619 int dir = FORWARD;
|
|
|
6620 char_u *flags;
|
|
|
6621 char_u nbuf[NUMBUFLEN];
|
|
20
|
6622 int mask;
|
|
7
|
6623
|
|
|
6624 if (varp->var_type != VAR_UNKNOWN)
|
|
|
6625 {
|
|
|
6626 flags = get_var_string_buf(varp, nbuf);
|
|
20
|
6627 while (*flags != NUL)
|
|
|
6628 {
|
|
|
6629 switch (*flags)
|
|
|
6630 {
|
|
|
6631 case 'b': dir = BACKWARD; break;
|
|
|
6632 case 'w': p_ws = TRUE; break;
|
|
|
6633 case 'W': p_ws = FALSE; break;
|
|
|
6634 default: mask = 0;
|
|
|
6635 if (flagsp != NULL)
|
|
|
6636 switch (*flags)
|
|
|
6637 {
|
|
|
6638 case 'n': mask = SP_NOMOVE; break;
|
|
|
6639 case 'r': mask = SP_REPEAT; break;
|
|
|
6640 case 'm': mask = SP_RETCOUNT; break;
|
|
|
6641 }
|
|
|
6642 if (mask == 0)
|
|
|
6643 {
|
|
|
6644 EMSG2(_(e_invarg2), flags);
|
|
|
6645 dir = 0;
|
|
|
6646 }
|
|
|
6647 else
|
|
|
6648 *flagsp |= mask;
|
|
|
6649 }
|
|
|
6650 if (dir == 0)
|
|
|
6651 break;
|
|
|
6652 ++flags;
|
|
7
|
6653 }
|
|
|
6654 }
|
|
|
6655 return dir;
|
|
|
6656 }
|
|
|
6657
|
|
|
6658 /*
|
|
|
6659 * "setbufvar()" function
|
|
|
6660 */
|
|
|
6661 /*ARGSUSED*/
|
|
|
6662 static void
|
|
|
6663 f_setbufvar(argvars, retvar)
|
|
|
6664 VAR argvars;
|
|
|
6665 VAR retvar;
|
|
|
6666 {
|
|
|
6667 buf_T *buf;
|
|
|
6668 #ifdef FEAT_AUTOCMD
|
|
|
6669 aco_save_T aco;
|
|
|
6670 #else
|
|
|
6671 buf_T *save_curbuf;
|
|
|
6672 #endif
|
|
|
6673 char_u *varname, *bufvarname;
|
|
|
6674 VAR varp;
|
|
|
6675 char_u nbuf[NUMBUFLEN];
|
|
|
6676
|
|
|
6677 if (check_restricted() || check_secure())
|
|
|
6678 return;
|
|
|
6679 ++emsg_off;
|
|
|
6680 buf = get_buf_var(&argvars[0]);
|
|
|
6681 varname = get_var_string(&argvars[1]);
|
|
|
6682 varp = &argvars[2];
|
|
|
6683
|
|
|
6684 if (buf != NULL && varname != NULL && varp != NULL)
|
|
|
6685 {
|
|
|
6686 /* set curbuf to be our buf, temporarily */
|
|
|
6687 #ifdef FEAT_AUTOCMD
|
|
|
6688 aucmd_prepbuf(&aco, buf);
|
|
|
6689 #else
|
|
|
6690 save_curbuf = curbuf;
|
|
|
6691 curbuf = buf;
|
|
|
6692 #endif
|
|
|
6693
|
|
|
6694 if (*varname == '&')
|
|
|
6695 {
|
|
|
6696 ++varname;
|
|
|
6697 set_option_value(varname, get_var_number(varp),
|
|
|
6698 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6699 }
|
|
|
6700 else
|
|
|
6701 {
|
|
|
6702 bufvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6703 if (bufvarname != NULL)
|
|
|
6704 {
|
|
|
6705 STRCPY(bufvarname, "b:");
|
|
|
6706 STRCPY(bufvarname + 2, varname);
|
|
|
6707 set_var(bufvarname, varp);
|
|
|
6708 vim_free(bufvarname);
|
|
|
6709 }
|
|
|
6710 }
|
|
|
6711
|
|
|
6712 /* reset notion of buffer */
|
|
|
6713 #ifdef FEAT_AUTOCMD
|
|
|
6714 aucmd_restbuf(&aco);
|
|
|
6715 #else
|
|
|
6716 curbuf = save_curbuf;
|
|
|
6717 #endif
|
|
|
6718 }
|
|
|
6719 --emsg_off;
|
|
|
6720 }
|
|
|
6721
|
|
|
6722 /*
|
|
|
6723 * "setcmdpos()" function
|
|
|
6724 */
|
|
|
6725 static void
|
|
|
6726 f_setcmdpos(argvars, retvar)
|
|
|
6727 VAR argvars;
|
|
|
6728 VAR retvar;
|
|
|
6729 {
|
|
|
6730 retvar->var_val.var_number = set_cmdline_pos(
|
|
|
6731 (int)get_var_number(&argvars[0]) - 1);
|
|
|
6732 }
|
|
|
6733
|
|
|
6734 /*
|
|
|
6735 * "setline()" function
|
|
|
6736 */
|
|
|
6737 static void
|
|
|
6738 f_setline(argvars, retvar)
|
|
|
6739 VAR argvars;
|
|
|
6740 VAR retvar;
|
|
|
6741 {
|
|
|
6742 linenr_T lnum;
|
|
|
6743 char_u *line;
|
|
|
6744
|
|
|
6745 lnum = get_var_lnum(argvars);
|
|
|
6746 line = get_var_string(&argvars[1]);
|
|
|
6747 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6748
|
|
|
6749 if (lnum >= 1
|
|
|
6750 && lnum <= curbuf->b_ml.ml_line_count
|
|
|
6751 && u_savesub(lnum) == OK
|
|
|
6752 && ml_replace(lnum, line, TRUE) == OK)
|
|
|
6753 {
|
|
|
6754 changed_bytes(lnum, 0);
|
|
|
6755 check_cursor_col();
|
|
|
6756 retvar->var_val.var_number = 0;
|
|
|
6757 }
|
|
|
6758 }
|
|
|
6759
|
|
|
6760 /*
|
|
|
6761 * "setreg()" function
|
|
|
6762 */
|
|
|
6763 static void
|
|
|
6764 f_setreg(argvars, retvar)
|
|
|
6765 VAR argvars;
|
|
|
6766 VAR retvar;
|
|
|
6767 {
|
|
|
6768 int regname;
|
|
|
6769 char_u *strregname;
|
|
|
6770 char_u *stropt;
|
|
|
6771 int append;
|
|
|
6772 char_u yank_type;
|
|
|
6773 long block_len;
|
|
|
6774
|
|
|
6775 block_len = -1;
|
|
|
6776 yank_type = MAUTO;
|
|
|
6777 append = FALSE;
|
|
|
6778
|
|
|
6779 strregname = get_var_string(argvars);
|
|
|
6780 retvar->var_val.var_number = 1; /* FAIL is default */
|
|
|
6781
|
|
|
6782 regname = (strregname == NULL ? '"' : *strregname);
|
|
|
6783 if (regname == 0 || regname == '@')
|
|
|
6784 regname = '"';
|
|
|
6785 else if (regname == '=')
|
|
|
6786 return;
|
|
|
6787
|
|
|
6788 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
6789 {
|
|
|
6790 for (stropt = get_var_string(&argvars[2]); *stropt != NUL; ++stropt)
|
|
|
6791 switch (*stropt)
|
|
|
6792 {
|
|
|
6793 case 'a': case 'A': /* append */
|
|
|
6794 append = TRUE;
|
|
|
6795 break;
|
|
|
6796 case 'v': case 'c': /* character-wise selection */
|
|
|
6797 yank_type = MCHAR;
|
|
|
6798 break;
|
|
|
6799 case 'V': case 'l': /* line-wise selection */
|
|
|
6800 yank_type = MLINE;
|
|
|
6801 break;
|
|
|
6802 #ifdef FEAT_VISUAL
|
|
|
6803 case 'b': case Ctrl_V: /* block-wise selection */
|
|
|
6804 yank_type = MBLOCK;
|
|
|
6805 if (VIM_ISDIGIT(stropt[1]))
|
|
|
6806 {
|
|
|
6807 ++stropt;
|
|
|
6808 block_len = getdigits(&stropt) - 1;
|
|
|
6809 --stropt;
|
|
|
6810 }
|
|
|
6811 break;
|
|
|
6812 #endif
|
|
|
6813 }
|
|
|
6814 }
|
|
|
6815
|
|
|
6816 write_reg_contents_ex(regname, get_var_string(&argvars[1]), -1,
|
|
|
6817 append, yank_type, block_len);
|
|
|
6818 retvar->var_val.var_number = 0;
|
|
|
6819 }
|
|
|
6820
|
|
|
6821
|
|
|
6822 /*
|
|
|
6823 * "setwinvar(expr)" function
|
|
|
6824 */
|
|
|
6825 /*ARGSUSED*/
|
|
|
6826 static void
|
|
|
6827 f_setwinvar(argvars, retvar)
|
|
|
6828 VAR argvars;
|
|
|
6829 VAR retvar;
|
|
|
6830 {
|
|
|
6831 win_T *win;
|
|
|
6832 #ifdef FEAT_WINDOWS
|
|
|
6833 win_T *save_curwin;
|
|
|
6834 #endif
|
|
|
6835 char_u *varname, *winvarname;
|
|
|
6836 VAR varp;
|
|
|
6837 char_u nbuf[NUMBUFLEN];
|
|
|
6838
|
|
|
6839 if (check_restricted() || check_secure())
|
|
|
6840 return;
|
|
|
6841 ++emsg_off;
|
|
|
6842 win = find_win_by_nr(&argvars[0]);
|
|
|
6843 varname = get_var_string(&argvars[1]);
|
|
|
6844 varp = &argvars[2];
|
|
|
6845
|
|
|
6846 if (win != NULL && varname != NULL && varp != NULL)
|
|
|
6847 {
|
|
|
6848 #ifdef FEAT_WINDOWS
|
|
|
6849 /* set curwin to be our win, temporarily */
|
|
|
6850 save_curwin = curwin;
|
|
|
6851 curwin = win;
|
|
|
6852 curbuf = curwin->w_buffer;
|
|
|
6853 #endif
|
|
|
6854
|
|
|
6855 if (*varname == '&')
|
|
|
6856 {
|
|
|
6857 ++varname;
|
|
|
6858 set_option_value(varname, get_var_number(varp),
|
|
|
6859 get_var_string_buf(varp, nbuf), OPT_LOCAL);
|
|
|
6860 }
|
|
|
6861 else
|
|
|
6862 {
|
|
|
6863 winvarname = alloc((unsigned)STRLEN(varname) + 3);
|
|
|
6864 if (winvarname != NULL)
|
|
|
6865 {
|
|
|
6866 STRCPY(winvarname, "w:");
|
|
|
6867 STRCPY(winvarname + 2, varname);
|
|
|
6868 set_var(winvarname, varp);
|
|
|
6869 vim_free(winvarname);
|
|
|
6870 }
|
|
|
6871 }
|
|
|
6872
|
|
|
6873 #ifdef FEAT_WINDOWS
|
|
|
6874 /* Restore current window, if it's still valid (autocomands can make
|
|
|
6875 * it invalid). */
|
|
|
6876 if (win_valid(save_curwin))
|
|
|
6877 {
|
|
|
6878 curwin = save_curwin;
|
|
|
6879 curbuf = curwin->w_buffer;
|
|
|
6880 }
|
|
|
6881 #endif
|
|
|
6882 }
|
|
|
6883 --emsg_off;
|
|
|
6884 }
|
|
|
6885
|
|
|
6886 /*
|
|
|
6887 * "nextnonblank()" function
|
|
|
6888 */
|
|
|
6889 static void
|
|
|
6890 f_nextnonblank(argvars, retvar)
|
|
|
6891 VAR argvars;
|
|
|
6892 VAR retvar;
|
|
|
6893 {
|
|
|
6894 linenr_T lnum;
|
|
|
6895
|
|
|
6896 for (lnum = get_var_lnum(argvars); ; ++lnum)
|
|
|
6897 {
|
|
|
6898 if (lnum > curbuf->b_ml.ml_line_count)
|
|
|
6899 {
|
|
|
6900 lnum = 0;
|
|
|
6901 break;
|
|
|
6902 }
|
|
|
6903 if (*skipwhite(ml_get(lnum)) != NUL)
|
|
|
6904 break;
|
|
|
6905 }
|
|
|
6906 retvar->var_val.var_number = lnum;
|
|
|
6907 }
|
|
|
6908
|
|
|
6909 /*
|
|
|
6910 * "prevnonblank()" function
|
|
|
6911 */
|
|
|
6912 static void
|
|
|
6913 f_prevnonblank(argvars, retvar)
|
|
|
6914 VAR argvars;
|
|
|
6915 VAR retvar;
|
|
|
6916 {
|
|
|
6917 linenr_T lnum;
|
|
|
6918
|
|
|
6919 lnum = get_var_lnum(argvars);
|
|
|
6920 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
|
|
|
6921 lnum = 0;
|
|
|
6922 else
|
|
|
6923 while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
|
|
|
6924 --lnum;
|
|
|
6925 retvar->var_val.var_number = lnum;
|
|
|
6926 }
|
|
|
6927
|
|
|
6928 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
|
|
|
6929 static void make_connection __ARGS((void));
|
|
|
6930 static int check_connection __ARGS((void));
|
|
|
6931
|
|
|
6932 static void
|
|
|
6933 make_connection()
|
|
|
6934 {
|
|
|
6935 if (X_DISPLAY == NULL
|
|
|
6936 # ifdef FEAT_GUI
|
|
|
6937 && !gui.in_use
|
|
|
6938 # endif
|
|
|
6939 )
|
|
|
6940 {
|
|
|
6941 x_force_connect = TRUE;
|
|
|
6942 setup_term_clip();
|
|
|
6943 x_force_connect = FALSE;
|
|
|
6944 }
|
|
|
6945 }
|
|
|
6946
|
|
|
6947 static int
|
|
|
6948 check_connection()
|
|
|
6949 {
|
|
|
6950 make_connection();
|
|
|
6951 if (X_DISPLAY == NULL)
|
|
|
6952 {
|
|
|
6953 EMSG(_("E240: No connection to Vim server"));
|
|
|
6954 return FAIL;
|
|
|
6955 }
|
|
|
6956 return OK;
|
|
|
6957 }
|
|
|
6958 #endif
|
|
|
6959
|
|
|
6960 /*ARGSUSED*/
|
|
|
6961 static void
|
|
|
6962 f_serverlist(argvars, retvar)
|
|
|
6963 VAR argvars;
|
|
|
6964 VAR retvar;
|
|
|
6965 {
|
|
|
6966 char_u *r = NULL;
|
|
|
6967
|
|
|
6968 #ifdef FEAT_CLIENTSERVER
|
|
|
6969 # ifdef WIN32
|
|
|
6970 r = serverGetVimNames();
|
|
|
6971 # else
|
|
|
6972 make_connection();
|
|
|
6973 if (X_DISPLAY != NULL)
|
|
|
6974 r = serverGetVimNames(X_DISPLAY);
|
|
|
6975 # endif
|
|
|
6976 #endif
|
|
|
6977 retvar->var_type = VAR_STRING;
|
|
|
6978 retvar->var_val.var_string = r;
|
|
|
6979 }
|
|
|
6980
|
|
|
6981 /*ARGSUSED*/
|
|
|
6982 static void
|
|
|
6983 f_remote_peek(argvars, retvar)
|
|
|
6984 VAR argvars;
|
|
|
6985 VAR retvar;
|
|
|
6986 {
|
|
|
6987 #ifdef FEAT_CLIENTSERVER
|
|
|
6988 var v;
|
|
|
6989 char_u *s = NULL;
|
|
|
6990 # ifdef WIN32
|
|
|
6991 int n = 0;
|
|
|
6992 # endif
|
|
|
6993
|
|
|
6994 if (check_restricted() || check_secure())
|
|
|
6995 {
|
|
|
6996 retvar->var_val.var_number = -1;
|
|
|
6997 return;
|
|
|
6998 }
|
|
|
6999 # ifdef WIN32
|
|
|
7000 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
7001 if (n == 0)
|
|
|
7002 retvar->var_val.var_number = -1;
|
|
|
7003 else
|
|
|
7004 {
|
|
|
7005 s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
|
|
|
7006 retvar->var_val.var_number = (s != NULL);
|
|
|
7007 }
|
|
|
7008 # else
|
|
|
7009 retvar->var_val.var_number = 0;
|
|
|
7010 if (check_connection() == FAIL)
|
|
|
7011 return;
|
|
|
7012
|
|
|
7013 retvar->var_val.var_number = serverPeekReply(X_DISPLAY,
|
|
|
7014 serverStrToWin(get_var_string(&argvars[0])), &s);
|
|
|
7015 # endif
|
|
|
7016
|
|
|
7017 if (argvars[1].var_type != VAR_UNKNOWN && retvar->var_val.var_number > 0)
|
|
|
7018 {
|
|
|
7019 v.var_type = VAR_STRING;
|
|
|
7020 v.var_val.var_string = vim_strsave(s);
|
|
|
7021 set_var(get_var_string(&argvars[1]), &v);
|
|
|
7022 }
|
|
|
7023 #else
|
|
|
7024 retvar->var_val.var_number = -1;
|
|
|
7025 #endif
|
|
|
7026 }
|
|
|
7027
|
|
|
7028 /*ARGSUSED*/
|
|
|
7029 static void
|
|
|
7030 f_remote_read(argvars, retvar)
|
|
|
7031 VAR argvars;
|
|
|
7032 VAR retvar;
|
|
|
7033 {
|
|
|
7034 char_u *r = NULL;
|
|
|
7035
|
|
|
7036 #ifdef FEAT_CLIENTSERVER
|
|
|
7037 if (!check_restricted() && !check_secure())
|
|
|
7038 {
|
|
|
7039 # ifdef WIN32
|
|
|
7040 /* The server's HWND is encoded in the 'id' parameter */
|
|
|
7041 int n = 0;
|
|
|
7042
|
|
|
7043 sscanf(get_var_string(&argvars[0]), "%x", &n);
|
|
|
7044 if (n != 0)
|
|
|
7045 r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
|
|
|
7046 if (r == NULL)
|
|
|
7047 # else
|
|
|
7048 if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
|
|
|
7049 serverStrToWin(get_var_string(&argvars[0])), &r, FALSE) < 0)
|
|
|
7050 # endif
|
|
|
7051 EMSG(_("E277: Unable to read a server reply"));
|
|
|
7052 }
|
|
|
7053 #endif
|
|
|
7054 retvar->var_type = VAR_STRING;
|
|
|
7055 retvar->var_val.var_string = r;
|
|
|
7056 }
|
|
|
7057
|
|
|
7058 /*ARGSUSED*/
|
|
|
7059 static void
|
|
|
7060 f_server2client(argvars, retvar)
|
|
|
7061 VAR argvars;
|
|
|
7062 VAR retvar;
|
|
|
7063 {
|
|
|
7064 #ifdef FEAT_CLIENTSERVER
|
|
|
7065 char_u buf[NUMBUFLEN];
|
|
|
7066 char_u *server = get_var_string(&argvars[0]);
|
|
|
7067 char_u *reply = get_var_string_buf(&argvars[1], buf);
|
|
|
7068
|
|
|
7069 retvar->var_val.var_number = -1;
|
|
|
7070 if (check_restricted() || check_secure())
|
|
|
7071 return;
|
|
|
7072 # ifdef FEAT_X11
|
|
|
7073 if (check_connection() == FAIL)
|
|
|
7074 return;
|
|
|
7075 # endif
|
|
|
7076
|
|
|
7077 if (serverSendReply(server, reply) < 0)
|
|
|
7078 {
|
|
|
7079 EMSG(_("E258: Unable to send to client"));
|
|
|
7080 return;
|
|
|
7081 }
|
|
|
7082 retvar->var_val.var_number = 0;
|
|
|
7083 #else
|
|
|
7084 retvar->var_val.var_number = -1;
|
|
|
7085 #endif
|
|
|
7086 }
|
|
|
7087
|
|
|
7088 #ifdef FEAT_CLIENTSERVER
|
|
|
7089 static void remote_common __ARGS((VAR argvars, VAR retvar, int expr));
|
|
|
7090
|
|
|
7091 static void
|
|
|
7092 remote_common(argvars, retvar, expr)
|
|
|
7093 VAR argvars;
|
|
|
7094 VAR retvar;
|
|
|
7095 int expr;
|
|
|
7096 {
|
|
|
7097 char_u *server_name;
|
|
|
7098 char_u *keys;
|
|
|
7099 char_u *r = NULL;
|
|
|
7100 char_u buf[NUMBUFLEN];
|
|
|
7101 # ifdef WIN32
|
|
|
7102 HWND w;
|
|
|
7103 # else
|
|
|
7104 Window w;
|
|
|
7105 # endif
|
|
|
7106
|
|
|
7107 if (check_restricted() || check_secure())
|
|
|
7108 return;
|
|
|
7109
|
|
|
7110 # ifdef FEAT_X11
|
|
|
7111 if (check_connection() == FAIL)
|
|
|
7112 return;
|
|
|
7113 # endif
|
|
|
7114
|
|
|
7115 server_name = get_var_string(&argvars[0]);
|
|
|
7116 keys = get_var_string_buf(&argvars[1], buf);
|
|
|
7117 # ifdef WIN32
|
|
|
7118 if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
|
|
|
7119 # else
|
|
|
7120 if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
|
|
|
7121 < 0)
|
|
|
7122 # endif
|
|
|
7123 {
|
|
|
7124 if (r != NULL)
|
|
|
7125 EMSG(r); /* sending worked but evaluation failed */
|
|
|
7126 else
|
|
|
7127 EMSG2(_("E241: Unable to send to %s"), server_name);
|
|
|
7128 return;
|
|
|
7129 }
|
|
|
7130
|
|
|
7131 retvar->var_val.var_string = r;
|
|
|
7132
|
|
|
7133 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7134 {
|
|
|
7135 var v;
|
|
|
7136 char_u str[30];
|
|
|
7137
|
|
|
7138 sprintf((char *)str, "0x%x", (unsigned int)w);
|
|
|
7139 v.var_type = VAR_STRING;
|
|
|
7140 v.var_val.var_string = vim_strsave(str);
|
|
|
7141 set_var(get_var_string(&argvars[2]), &v);
|
|
|
7142 }
|
|
|
7143 }
|
|
|
7144 #endif
|
|
|
7145
|
|
|
7146 /*
|
|
|
7147 * "remote_expr()" function
|
|
|
7148 */
|
|
|
7149 /*ARGSUSED*/
|
|
|
7150 static void
|
|
|
7151 f_remote_expr(argvars, retvar)
|
|
|
7152 VAR argvars;
|
|
|
7153 VAR retvar;
|
|
|
7154 {
|
|
|
7155 retvar->var_type = VAR_STRING;
|
|
|
7156 retvar->var_val.var_string = NULL;
|
|
|
7157 #ifdef FEAT_CLIENTSERVER
|
|
|
7158 remote_common(argvars, retvar, TRUE);
|
|
|
7159 #endif
|
|
|
7160 }
|
|
|
7161
|
|
|
7162 /*
|
|
|
7163 * "remote_send()" function
|
|
|
7164 */
|
|
|
7165 /*ARGSUSED*/
|
|
|
7166 static void
|
|
|
7167 f_remote_send(argvars, retvar)
|
|
|
7168 VAR argvars;
|
|
|
7169 VAR retvar;
|
|
|
7170 {
|
|
|
7171 retvar->var_type = VAR_STRING;
|
|
|
7172 retvar->var_val.var_string = NULL;
|
|
|
7173 #ifdef FEAT_CLIENTSERVER
|
|
|
7174 remote_common(argvars, retvar, FALSE);
|
|
|
7175 #endif
|
|
|
7176 }
|
|
|
7177
|
|
|
7178 /*
|
|
|
7179 * "remote_foreground()" function
|
|
|
7180 */
|
|
|
7181 /*ARGSUSED*/
|
|
|
7182 static void
|
|
|
7183 f_remote_foreground(argvars, retvar)
|
|
|
7184 VAR argvars;
|
|
|
7185 VAR retvar;
|
|
|
7186 {
|
|
|
7187 retvar->var_val.var_number = 0;
|
|
|
7188 #ifdef FEAT_CLIENTSERVER
|
|
|
7189 # ifdef WIN32
|
|
|
7190 /* On Win32 it's done in this application. */
|
|
|
7191 serverForeground(get_var_string(&argvars[0]));
|
|
|
7192 # else
|
|
|
7193 /* Send a foreground() expression to the server. */
|
|
|
7194 argvars[1].var_type = VAR_STRING;
|
|
|
7195 argvars[1].var_val.var_string = vim_strsave((char_u *)"foreground()");
|
|
|
7196 argvars[2].var_type = VAR_UNKNOWN;
|
|
|
7197 remote_common(argvars, retvar, TRUE);
|
|
|
7198 vim_free(argvars[1].var_val.var_string);
|
|
|
7199 # endif
|
|
|
7200 #endif
|
|
|
7201 }
|
|
|
7202
|
|
18
|
7203 /*
|
|
|
7204 * "repeat()" function
|
|
|
7205 */
|
|
|
7206 /*ARGSUSED*/
|
|
|
7207 static void
|
|
|
7208 f_repeat(argvars, retvar)
|
|
|
7209 VAR argvars;
|
|
|
7210 VAR retvar;
|
|
|
7211 {
|
|
|
7212 char_u *p;
|
|
|
7213 int n;
|
|
|
7214 int slen;
|
|
|
7215 int len;
|
|
|
7216 char_u *r;
|
|
|
7217 int i;
|
|
|
7218
|
|
|
7219 p = get_var_string(&argvars[0]);
|
|
|
7220 n = get_var_number(&argvars[1]);
|
|
|
7221
|
|
|
7222 retvar->var_type = VAR_STRING;
|
|
|
7223 retvar->var_val.var_string = NULL;
|
|
|
7224
|
|
|
7225 slen = (int)STRLEN(p);
|
|
|
7226 len = slen * n;
|
|
|
7227
|
|
|
7228 if (len <= 0)
|
|
|
7229 return;
|
|
|
7230
|
|
|
7231 r = alloc(len + 1);
|
|
|
7232 if (r != NULL)
|
|
|
7233 {
|
|
|
7234 for (i = 0; i < n; i++)
|
|
|
7235 mch_memmove(r + i * slen, p, (size_t)slen);
|
|
|
7236 r[len] = NUL;
|
|
|
7237 }
|
|
|
7238
|
|
|
7239 retvar->var_val.var_string = r;
|
|
|
7240 }
|
|
|
7241
|
|
7
|
7242 #ifdef HAVE_STRFTIME
|
|
|
7243 /*
|
|
|
7244 * "strftime({format}[, {time}])" function
|
|
|
7245 */
|
|
|
7246 static void
|
|
|
7247 f_strftime(argvars, retvar)
|
|
|
7248 VAR argvars;
|
|
|
7249 VAR retvar;
|
|
|
7250 {
|
|
|
7251 char_u result_buf[256];
|
|
|
7252 struct tm *curtime;
|
|
|
7253 time_t seconds;
|
|
|
7254 char_u *p;
|
|
|
7255
|
|
|
7256 retvar->var_type = VAR_STRING;
|
|
|
7257
|
|
|
7258 p = get_var_string(&argvars[0]);
|
|
|
7259 if (argvars[1].var_type == VAR_UNKNOWN)
|
|
|
7260 seconds = time(NULL);
|
|
|
7261 else
|
|
|
7262 seconds = (time_t)get_var_number(&argvars[1]);
|
|
|
7263 curtime = localtime(&seconds);
|
|
|
7264 /* MSVC returns NULL for an invalid value of seconds. */
|
|
|
7265 if (curtime == NULL)
|
|
|
7266 retvar->var_val.var_string = vim_strsave((char_u *)_("(Invalid)"));
|
|
|
7267 else
|
|
|
7268 {
|
|
|
7269 # ifdef FEAT_MBYTE
|
|
|
7270 vimconv_T conv;
|
|
|
7271 char_u *enc;
|
|
|
7272
|
|
|
7273 conv.vc_type = CONV_NONE;
|
|
|
7274 enc = enc_locale();
|
|
|
7275 convert_setup(&conv, p_enc, enc);
|
|
|
7276 if (conv.vc_type != CONV_NONE)
|
|
|
7277 p = string_convert(&conv, p, NULL);
|
|
|
7278 # endif
|
|
|
7279 if (p != NULL)
|
|
|
7280 (void)strftime((char *)result_buf, sizeof(result_buf),
|
|
|
7281 (char *)p, curtime);
|
|
|
7282 else
|
|
|
7283 result_buf[0] = NUL;
|
|
|
7284
|
|
|
7285 # ifdef FEAT_MBYTE
|
|
|
7286 if (conv.vc_type != CONV_NONE)
|
|
|
7287 vim_free(p);
|
|
|
7288 convert_setup(&conv, enc, p_enc);
|
|
|
7289 if (conv.vc_type != CONV_NONE)
|
|
|
7290 retvar->var_val.var_string =
|
|
|
7291 string_convert(&conv, result_buf, NULL);
|
|
|
7292 else
|
|
|
7293 # endif
|
|
|
7294 retvar->var_val.var_string = vim_strsave(result_buf);
|
|
|
7295
|
|
|
7296 # ifdef FEAT_MBYTE
|
|
|
7297 /* Release conversion descriptors */
|
|
|
7298 convert_setup(&conv, NULL, NULL);
|
|
|
7299 vim_free(enc);
|
|
|
7300 # endif
|
|
|
7301 }
|
|
|
7302 }
|
|
|
7303 #endif
|
|
|
7304
|
|
|
7305 /*
|
|
|
7306 * "stridx()" function
|
|
|
7307 */
|
|
|
7308 static void
|
|
|
7309 f_stridx(argvars, retvar)
|
|
|
7310 VAR argvars;
|
|
|
7311 VAR retvar;
|
|
|
7312 {
|
|
|
7313 char_u buf[NUMBUFLEN];
|
|
|
7314 char_u *needle;
|
|
|
7315 char_u *haystack;
|
|
|
7316 char_u *pos;
|
|
|
7317
|
|
|
7318 needle = get_var_string(&argvars[1]);
|
|
|
7319 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7320 pos = (char_u *)strstr((char *)haystack, (char *)needle);
|
|
|
7321
|
|
|
7322 if (pos == NULL)
|
|
|
7323 retvar->var_val.var_number = -1;
|
|
|
7324 else
|
|
|
7325 retvar->var_val.var_number = (varnumber_T) (pos - haystack);
|
|
|
7326 }
|
|
|
7327
|
|
|
7328 /*
|
|
|
7329 * "strridx()" function
|
|
|
7330 */
|
|
|
7331 static void
|
|
|
7332 f_strridx(argvars, retvar)
|
|
|
7333 VAR argvars;
|
|
|
7334 VAR retvar;
|
|
|
7335 {
|
|
|
7336 char_u buf[NUMBUFLEN];
|
|
|
7337 char_u *needle;
|
|
|
7338 char_u *haystack;
|
|
|
7339 char_u *rest;
|
|
|
7340 char_u *lastmatch = NULL;
|
|
|
7341
|
|
|
7342 needle = get_var_string(&argvars[1]);
|
|
|
7343 haystack = get_var_string_buf(&argvars[0], buf);
|
|
|
7344 rest = haystack;
|
|
|
7345 while (*haystack != '\0')
|
|
|
7346 {
|
|
|
7347 rest = (char_u *)strstr((char *)rest, (char *)needle);
|
|
|
7348 if (rest == NULL)
|
|
|
7349 break;
|
|
|
7350 lastmatch = rest++;
|
|
|
7351 }
|
|
|
7352
|
|
|
7353 if (lastmatch == NULL)
|
|
|
7354 retvar->var_val.var_number = -1;
|
|
|
7355 else
|
|
|
7356 retvar->var_val.var_number = (varnumber_T) (lastmatch - haystack);
|
|
|
7357 }
|
|
|
7358
|
|
|
7359 /*
|
|
|
7360 * "strlen()" function
|
|
|
7361 */
|
|
|
7362 static void
|
|
|
7363 f_strlen(argvars, retvar)
|
|
|
7364 VAR argvars;
|
|
|
7365 VAR retvar;
|
|
|
7366 {
|
|
|
7367 retvar->var_val.var_number = (varnumber_T) (STRLEN(get_var_string(&argvars[0])));
|
|
|
7368 }
|
|
|
7369
|
|
|
7370 /*
|
|
|
7371 * "strpart()" function
|
|
|
7372 */
|
|
|
7373 static void
|
|
|
7374 f_strpart(argvars, retvar)
|
|
|
7375 VAR argvars;
|
|
|
7376 VAR retvar;
|
|
|
7377 {
|
|
|
7378 char_u *p;
|
|
|
7379 int n;
|
|
|
7380 int len;
|
|
|
7381 int slen;
|
|
|
7382
|
|
|
7383 p = get_var_string(&argvars[0]);
|
|
|
7384 slen = (int)STRLEN(p);
|
|
|
7385
|
|
|
7386 n = get_var_number(&argvars[1]);
|
|
|
7387 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7388 len = get_var_number(&argvars[2]);
|
|
|
7389 else
|
|
|
7390 len = slen - n; /* default len: all bytes that are available. */
|
|
|
7391
|
|
|
7392 /*
|
|
|
7393 * Only return the overlap between the specified part and the actual
|
|
|
7394 * string.
|
|
|
7395 */
|
|
|
7396 if (n < 0)
|
|
|
7397 {
|
|
|
7398 len += n;
|
|
|
7399 n = 0;
|
|
|
7400 }
|
|
|
7401 else if (n > slen)
|
|
|
7402 n = slen;
|
|
|
7403 if (len < 0)
|
|
|
7404 len = 0;
|
|
|
7405 else if (n + len > slen)
|
|
|
7406 len = slen - n;
|
|
|
7407
|
|
|
7408 retvar->var_type = VAR_STRING;
|
|
|
7409 retvar->var_val.var_string = vim_strnsave(p + n, len);
|
|
|
7410 }
|
|
|
7411
|
|
|
7412 /*
|
|
|
7413 * "strtrans()" function
|
|
|
7414 */
|
|
|
7415 static void
|
|
|
7416 f_strtrans(argvars, retvar)
|
|
|
7417 VAR argvars;
|
|
|
7418 VAR retvar;
|
|
|
7419 {
|
|
|
7420 retvar->var_type = VAR_STRING;
|
|
|
7421 retvar->var_val.var_string = transstr(get_var_string(&argvars[0]));
|
|
|
7422 }
|
|
|
7423
|
|
|
7424 /*
|
|
|
7425 * "synID(line, col, trans)" function
|
|
|
7426 */
|
|
|
7427 /*ARGSUSED*/
|
|
|
7428 static void
|
|
|
7429 f_synID(argvars, retvar)
|
|
|
7430 VAR argvars;
|
|
|
7431 VAR retvar;
|
|
|
7432 {
|
|
|
7433 int id = 0;
|
|
|
7434 #ifdef FEAT_SYN_HL
|
|
|
7435 long line;
|
|
|
7436 long col;
|
|
|
7437 int trans;
|
|
|
7438
|
|
|
7439 line = get_var_lnum(argvars);
|
|
|
7440 col = get_var_number(&argvars[1]) - 1;
|
|
|
7441 trans = get_var_number(&argvars[2]);
|
|
|
7442
|
|
|
7443 if (line >= 1 && line <= curbuf->b_ml.ml_line_count
|
|
|
7444 && col >= 0 && col < (long)STRLEN(ml_get(line)))
|
|
|
7445 id = syn_get_id(line, col, trans);
|
|
|
7446 #endif
|
|
|
7447
|
|
|
7448 retvar->var_val.var_number = id;
|
|
|
7449 }
|
|
|
7450
|
|
|
7451 /*
|
|
|
7452 * "synIDattr(id, what [, mode])" function
|
|
|
7453 */
|
|
|
7454 /*ARGSUSED*/
|
|
|
7455 static void
|
|
|
7456 f_synIDattr(argvars, retvar)
|
|
|
7457 VAR argvars;
|
|
|
7458 VAR retvar;
|
|
|
7459 {
|
|
|
7460 char_u *p = NULL;
|
|
|
7461 #ifdef FEAT_SYN_HL
|
|
|
7462 int id;
|
|
|
7463 char_u *what;
|
|
|
7464 char_u *mode;
|
|
|
7465 char_u modebuf[NUMBUFLEN];
|
|
|
7466 int modec;
|
|
|
7467
|
|
|
7468 id = get_var_number(&argvars[0]);
|
|
|
7469 what = get_var_string(&argvars[1]);
|
|
|
7470 if (argvars[2].var_type != VAR_UNKNOWN)
|
|
|
7471 {
|
|
|
7472 mode = get_var_string_buf(&argvars[2], modebuf);
|
|
|
7473 modec = TOLOWER_ASC(mode[0]);
|
|
|
7474 if (modec != 't' && modec != 'c'
|
|
|
7475 #ifdef FEAT_GUI
|
|
|
7476 && modec != 'g'
|
|
|
7477 #endif
|
|
|
7478 )
|
|
|
7479 modec = 0; /* replace invalid with current */
|
|
|
7480 }
|
|
|
7481 else
|
|
|
7482 {
|
|
|
7483 #ifdef FEAT_GUI
|
|
|
7484 if (gui.in_use)
|
|
|
7485 modec = 'g';
|
|
|
7486 else
|
|
|
7487 #endif
|
|
|
7488 if (t_colors > 1)
|
|
|
7489 modec = 'c';
|
|
|
7490 else
|
|
|
7491 modec = 't';
|
|
|
7492 }
|
|
|
7493
|
|
|
7494
|
|
|
7495 switch (TOLOWER_ASC(what[0]))
|
|
|
7496 {
|
|
|
7497 case 'b':
|
|
|
7498 if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */
|
|
|
7499 p = highlight_color(id, what, modec);
|
|
|
7500 else /* bold */
|
|
|
7501 p = highlight_has_attr(id, HL_BOLD, modec);
|
|
|
7502 break;
|
|
|
7503
|
|
|
7504 case 'f': /* fg[#] */
|
|
|
7505 p = highlight_color(id, what, modec);
|
|
|
7506 break;
|
|
|
7507
|
|
|
7508 case 'i':
|
|
|
7509 if (TOLOWER_ASC(what[1]) == 'n') /* inverse */
|
|
|
7510 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7511 else /* italic */
|
|
|
7512 p = highlight_has_attr(id, HL_ITALIC, modec);
|
|
|
7513 break;
|
|
|
7514
|
|
|
7515 case 'n': /* name */
|
|
|
7516 p = get_highlight_name(NULL, id - 1);
|
|
|
7517 break;
|
|
|
7518
|
|
|
7519 case 'r': /* reverse */
|
|
|
7520 p = highlight_has_attr(id, HL_INVERSE, modec);
|
|
|
7521 break;
|
|
|
7522
|
|
|
7523 case 's': /* standout */
|
|
|
7524 p = highlight_has_attr(id, HL_STANDOUT, modec);
|
|
|
7525 break;
|
|
|
7526
|
|
|
7527 case 'u': /* underline */
|
|
|
7528 p = highlight_has_attr(id, HL_UNDERLINE, modec);
|
|
|
7529 break;
|
|
|
7530 }
|
|
|
7531
|
|
|
7532 if (p != NULL)
|
|
|
7533 p = vim_strsave(p);
|
|
|
7534 #endif
|
|
|
7535 retvar->var_type = VAR_STRING;
|
|
|
7536 retvar->var_val.var_string = p;
|
|
|
7537 }
|
|
|
7538
|
|
|
7539 /*
|
|
|
7540 * "synIDtrans(id)" function
|
|
|
7541 */
|
|
|
7542 /*ARGSUSED*/
|
|
|
7543 static void
|
|
|
7544 f_synIDtrans(argvars, retvar)
|
|
|
7545 VAR argvars;
|
|
|
7546 VAR retvar;
|
|
|
7547 {
|
|
|
7548 int id;
|
|
|
7549
|
|
|
7550 #ifdef FEAT_SYN_HL
|
|
|
7551 id = get_var_number(&argvars[0]);
|
|
|
7552
|
|
|
7553 if (id > 0)
|
|
|
7554 id = syn_get_final_id(id);
|
|
|
7555 else
|
|
|
7556 #endif
|
|
|
7557 id = 0;
|
|
|
7558
|
|
|
7559 retvar->var_val.var_number = id;
|
|
|
7560 }
|
|
|
7561
|
|
|
7562 /*
|
|
|
7563 * "system()" function
|
|
|
7564 */
|
|
|
7565 static void
|
|
|
7566 f_system(argvars, retvar)
|
|
|
7567 VAR argvars;
|
|
|
7568 VAR retvar;
|
|
|
7569 {
|
|
|
7570 char_u *p;
|
|
|
7571
|
|
|
7572 p = get_cmd_output(get_var_string(&argvars[0]), SHELL_SILENT);
|
|
|
7573 #ifdef USE_CR
|
|
|
7574 /* translate <CR> into <NL> */
|
|
|
7575 if (p != NULL)
|
|
|
7576 {
|
|
|
7577 char_u *s;
|
|
|
7578
|
|
|
7579 for (s = p; *s; ++s)
|
|
|
7580 {
|
|
|
7581 if (*s == CAR)
|
|
|
7582 *s = NL;
|
|
|
7583 }
|
|
|
7584 }
|
|
|
7585 #else
|
|
|
7586 # ifdef USE_CRNL
|
|
|
7587 /* translate <CR><NL> into <NL> */
|
|
|
7588 if (p != NULL)
|
|
|
7589 {
|
|
|
7590 char_u *s, *d;
|
|
|
7591
|
|
|
7592 d = p;
|
|
|
7593 for (s = p; *s; ++s)
|
|
|
7594 {
|
|
|
7595 if (s[0] == CAR && s[1] == NL)
|
|
|
7596 ++s;
|
|
|
7597 *d++ = *s;
|
|
|
7598 }
|
|
|
7599 *d = NUL;
|
|
|
7600 }
|
|
|
7601 # endif
|
|
|
7602 #endif
|
|
|
7603 retvar->var_type = VAR_STRING;
|
|
|
7604 retvar->var_val.var_string = p;
|
|
|
7605 }
|
|
|
7606
|
|
|
7607 /*
|
|
|
7608 * "submatch()" function
|
|
|
7609 */
|
|
|
7610 static void
|
|
|
7611 f_submatch(argvars, retvar)
|
|
|
7612 VAR argvars;
|
|
|
7613 VAR retvar;
|
|
|
7614 {
|
|
|
7615 retvar->var_type = VAR_STRING;
|
|
|
7616 retvar->var_val.var_string = reg_submatch((int)get_var_number(&argvars[0]));
|
|
|
7617 }
|
|
|
7618
|
|
|
7619 /*
|
|
|
7620 * "substitute()" function
|
|
|
7621 */
|
|
|
7622 static void
|
|
|
7623 f_substitute(argvars, retvar)
|
|
|
7624 VAR argvars;
|
|
|
7625 VAR retvar;
|
|
|
7626 {
|
|
|
7627 char_u patbuf[NUMBUFLEN];
|
|
|
7628 char_u subbuf[NUMBUFLEN];
|
|
|
7629 char_u flagsbuf[NUMBUFLEN];
|
|
|
7630
|
|
|
7631 retvar->var_type = VAR_STRING;
|
|
|
7632 retvar->var_val.var_string = do_string_sub(
|
|
|
7633 get_var_string(&argvars[0]),
|
|
|
7634 get_var_string_buf(&argvars[1], patbuf),
|
|
|
7635 get_var_string_buf(&argvars[2], subbuf),
|
|
|
7636 get_var_string_buf(&argvars[3], flagsbuf));
|
|
|
7637 }
|
|
|
7638
|
|
|
7639 /*
|
|
|
7640 * "tempname()" function
|
|
|
7641 */
|
|
|
7642 /*ARGSUSED*/
|
|
|
7643 static void
|
|
|
7644 f_tempname(argvars, retvar)
|
|
|
7645 VAR argvars;
|
|
|
7646 VAR retvar;
|
|
|
7647 {
|
|
|
7648 static int x = 'A';
|
|
|
7649
|
|
|
7650 retvar->var_type = VAR_STRING;
|
|
|
7651 retvar->var_val.var_string = vim_tempname(x);
|
|
|
7652
|
|
|
7653 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
|
|
|
7654 * names. Skip 'I' and 'O', they are used for shell redirection. */
|
|
|
7655 do
|
|
|
7656 {
|
|
|
7657 if (x == 'Z')
|
|
|
7658 x = '0';
|
|
|
7659 else if (x == '9')
|
|
|
7660 x = 'A';
|
|
|
7661 else
|
|
|
7662 {
|
|
|
7663 #ifdef EBCDIC
|
|
|
7664 if (x == 'I')
|
|
|
7665 x = 'J';
|
|
|
7666 else if (x == 'R')
|
|
|
7667 x = 'S';
|
|
|
7668 else
|
|
|
7669 #endif
|
|
|
7670 ++x;
|
|
|
7671 }
|
|
|
7672 } while (x == 'I' || x == 'O');
|
|
|
7673 }
|
|
|
7674
|
|
|
7675 /*
|
|
|
7676 * "tolower(string)" function
|
|
|
7677 */
|
|
|
7678 static void
|
|
|
7679 f_tolower(argvars, retvar)
|
|
|
7680 VAR argvars;
|
|
|
7681 VAR retvar;
|
|
|
7682 {
|
|
|
7683 char_u *p;
|
|
|
7684
|
|
|
7685 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7686 retvar->var_type = VAR_STRING;
|
|
|
7687 retvar->var_val.var_string = p;
|
|
|
7688
|
|
|
7689 if (p != NULL)
|
|
|
7690 while (*p != NUL)
|
|
|
7691 {
|
|
|
7692 #ifdef FEAT_MBYTE
|
|
|
7693 int l;
|
|
|
7694
|
|
|
7695 if (enc_utf8)
|
|
|
7696 {
|
|
|
7697 int c, lc;
|
|
|
7698
|
|
|
7699 c = utf_ptr2char(p);
|
|
|
7700 lc = utf_tolower(c);
|
|
|
7701 l = utf_ptr2len_check(p);
|
|
|
7702 /* TODO: reallocate string when byte count changes. */
|
|
|
7703 if (utf_char2len(lc) == l)
|
|
|
7704 utf_char2bytes(lc, p);
|
|
|
7705 p += l;
|
|
|
7706 }
|
|
|
7707 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7708 p += l; /* skip multi-byte character */
|
|
|
7709 else
|
|
|
7710 #endif
|
|
|
7711 {
|
|
|
7712 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
|
|
|
7713 ++p;
|
|
|
7714 }
|
|
|
7715 }
|
|
|
7716 }
|
|
|
7717
|
|
|
7718 /*
|
|
|
7719 * "toupper(string)" function
|
|
|
7720 */
|
|
|
7721 static void
|
|
|
7722 f_toupper(argvars, retvar)
|
|
|
7723 VAR argvars;
|
|
|
7724 VAR retvar;
|
|
|
7725 {
|
|
|
7726 char_u *p;
|
|
|
7727
|
|
|
7728 p = vim_strsave(get_var_string(&argvars[0]));
|
|
|
7729 retvar->var_type = VAR_STRING;
|
|
|
7730 retvar->var_val.var_string = p;
|
|
|
7731
|
|
|
7732 if (p != NULL)
|
|
|
7733 while (*p != NUL)
|
|
|
7734 {
|
|
|
7735 #ifdef FEAT_MBYTE
|
|
|
7736 int l;
|
|
|
7737
|
|
|
7738 if (enc_utf8)
|
|
|
7739 {
|
|
|
7740 int c, uc;
|
|
|
7741
|
|
|
7742 c = utf_ptr2char(p);
|
|
|
7743 uc = utf_toupper(c);
|
|
|
7744 l = utf_ptr2len_check(p);
|
|
|
7745 /* TODO: reallocate string when byte count changes. */
|
|
|
7746 if (utf_char2len(uc) == l)
|
|
|
7747 utf_char2bytes(uc, p);
|
|
|
7748 p += l;
|
|
|
7749 }
|
|
|
7750 else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
7751 p += l; /* skip multi-byte character */
|
|
|
7752 else
|
|
|
7753 #endif
|
|
|
7754 {
|
|
|
7755 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */
|
|
|
7756 p++;
|
|
|
7757 }
|
|
|
7758 }
|
|
|
7759 }
|
|
|
7760
|
|
|
7761 /*
|
|
15
|
7762 * "tr(string, fromstr, tostr)" function
|
|
|
7763 */
|
|
|
7764 static void
|
|
|
7765 f_tr(argvars, retvar)
|
|
|
7766 VAR argvars;
|
|
|
7767 VAR retvar;
|
|
|
7768 {
|
|
|
7769 char_u *instr;
|
|
|
7770 char_u *fromstr;
|
|
|
7771 char_u *tostr;
|
|
|
7772 char_u *p;
|
|
|
7773 #ifdef FEAT_MBYTE
|
|
|
7774 int inlen;
|
|
|
7775 int fromlen;
|
|
|
7776 int tolen;
|
|
|
7777 int idx;
|
|
|
7778 char_u *cpstr;
|
|
|
7779 int cplen;
|
|
|
7780 int first = TRUE;
|
|
|
7781 #endif
|
|
|
7782 char_u buf[NUMBUFLEN];
|
|
|
7783 char_u buf2[NUMBUFLEN];
|
|
|
7784 garray_T ga;
|
|
|
7785
|
|
|
7786 instr = get_var_string(&argvars[0]);
|
|
|
7787 fromstr = get_var_string_buf(&argvars[1], buf);
|
|
|
7788 tostr = get_var_string_buf(&argvars[2], buf2);
|
|
|
7789
|
|
|
7790 /* Default return value: empty string. */
|
|
|
7791 retvar->var_type = VAR_STRING;
|
|
|
7792 retvar->var_val.var_string = NULL;
|
|
|
7793 ga_init2(&ga, (int)sizeof(char), 80);
|
|
|
7794
|
|
|
7795 #ifdef FEAT_MBYTE
|
|
|
7796 if (!has_mbyte)
|
|
|
7797 #endif
|
|
|
7798 /* not multi-byte: fromstr and tostr must be the same length */
|
|
|
7799 if (STRLEN(fromstr) != STRLEN(tostr))
|
|
|
7800 {
|
|
20
|
7801 #ifdef FEAT_MBYTE
|
|
15
|
7802 error:
|
|
20
|
7803 #endif
|
|
15
|
7804 EMSG2(_(e_invarg2), fromstr);
|
|
|
7805 ga_clear(&ga);
|
|
|
7806 return;
|
|
|
7807 }
|
|
|
7808
|
|
|
7809 /* fromstr and tostr have to contain the same number of chars */
|
|
|
7810 while (*instr != NUL)
|
|
|
7811 {
|
|
|
7812 #ifdef FEAT_MBYTE
|
|
|
7813 if (has_mbyte)
|
|
|
7814 {
|
|
|
7815 inlen = mb_ptr2len_check(instr);
|
|
|
7816 cpstr = instr;
|
|
|
7817 cplen = inlen;
|
|
|
7818 idx = 0;
|
|
|
7819 for (p = fromstr; *p != NUL; p += fromlen)
|
|
|
7820 {
|
|
|
7821 fromlen = mb_ptr2len_check(p);
|
|
|
7822 if (fromlen == inlen && STRNCMP(instr, p, inlen) == 0)
|
|
|
7823 {
|
|
|
7824 for (p = tostr; *p != NUL; p += tolen)
|
|
|
7825 {
|
|
|
7826 tolen = mb_ptr2len_check(p);
|
|
|
7827 if (idx-- == 0)
|
|
|
7828 {
|
|
|
7829 cplen = tolen;
|
|
|
7830 cpstr = p;
|
|
|
7831 break;
|
|
|
7832 }
|
|
|
7833 }
|
|
|
7834 if (*p == NUL) /* tostr is shorter than fromstr */
|
|
|
7835 goto error;
|
|
|
7836 break;
|
|
|
7837 }
|
|
|
7838 ++idx;
|
|
|
7839 }
|
|
|
7840
|
|
|
7841 if (first && cpstr == instr)
|
|
|
7842 {
|
|
|
7843 /* Check that fromstr and tostr have the same number of
|
|
|
7844 * (multi-byte) characters. Done only once when a character
|
|
|
7845 * of instr doesn't appear in fromstr. */
|
|
|
7846 first = FALSE;
|
|
|
7847 for (p = tostr; *p != NUL; p += tolen)
|
|
|
7848 {
|
|
|
7849 tolen = mb_ptr2len_check(p);
|
|
|
7850 --idx;
|
|
|
7851 }
|
|
|
7852 if (idx != 0)
|
|
|
7853 goto error;
|
|
|
7854 }
|
|
|
7855
|
|
|
7856 ga_grow(&ga, cplen);
|
|
16
|
7857 mch_memmove((char *)ga.ga_data + ga.ga_len, cpstr, (size_t)cplen);
|
|
15
|
7858 ga.ga_len += cplen;
|
|
|
7859 ga.ga_room -= cplen;
|
|
|
7860
|
|
|
7861 instr += inlen;
|
|
|
7862 }
|
|
|
7863 else
|
|
|
7864 #endif
|
|
|
7865 {
|
|
|
7866 /* When not using multi-byte chars we can do it faster. */
|
|
|
7867 p = vim_strchr(fromstr, *instr);
|
|
|
7868 if (p != NULL)
|
|
|
7869 ga_append(&ga, tostr[p - fromstr]);
|
|
|
7870 else
|
|
|
7871 ga_append(&ga, *instr);
|
|
|
7872 ++instr;
|
|
|
7873 }
|
|
|
7874 }
|
|
|
7875
|
|
|
7876 retvar->var_val.var_string = ga.ga_data;
|
|
|
7877 }
|
|
|
7878
|
|
|
7879 /*
|
|
7
|
7880 * "type(expr)" function
|
|
|
7881 */
|
|
|
7882 static void
|
|
|
7883 f_type(argvars, retvar)
|
|
|
7884 VAR argvars;
|
|
|
7885 VAR retvar;
|
|
|
7886 {
|
|
|
7887 if (argvars[0].var_type == VAR_NUMBER)
|
|
|
7888 retvar->var_val.var_number = 0;
|
|
|
7889 else
|
|
|
7890 retvar->var_val.var_number = 1;
|
|
|
7891 }
|
|
|
7892
|
|
|
7893 /*
|
|
|
7894 * "virtcol(string)" function
|
|
|
7895 */
|
|
|
7896 static void
|
|
|
7897 f_virtcol(argvars, retvar)
|
|
|
7898 VAR argvars;
|
|
|
7899 VAR retvar;
|
|
|
7900 {
|
|
|
7901 colnr_T vcol = 0;
|
|
|
7902 pos_T *fp;
|
|
|
7903
|
|
|
7904 fp = var2fpos(&argvars[0], FALSE);
|
|
|
7905 if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count)
|
|
|
7906 {
|
|
|
7907 getvvcol(curwin, fp, NULL, NULL, &vcol);
|
|
|
7908 ++vcol;
|
|
|
7909 }
|
|
|
7910
|
|
|
7911 retvar->var_val.var_number = vcol;
|
|
|
7912 }
|
|
|
7913
|
|
|
7914 /*
|
|
|
7915 * "visualmode()" function
|
|
|
7916 */
|
|
|
7917 /*ARGSUSED*/
|
|
|
7918 static void
|
|
|
7919 f_visualmode(argvars, retvar)
|
|
|
7920 VAR argvars;
|
|
|
7921 VAR retvar;
|
|
|
7922 {
|
|
|
7923 #ifdef FEAT_VISUAL
|
|
|
7924 char_u str[2];
|
|
|
7925
|
|
|
7926 retvar->var_type = VAR_STRING;
|
|
|
7927 str[0] = curbuf->b_visual_mode_eval;
|
|
|
7928 str[1] = NUL;
|
|
|
7929 retvar->var_val.var_string = vim_strsave(str);
|
|
|
7930
|
|
|
7931 /* A non-zero number or non-empty string argument: reset mode. */
|
|
|
7932 if ((argvars[0].var_type == VAR_NUMBER
|
|
|
7933 && argvars[0].var_val.var_number != 0)
|
|
|
7934 || (argvars[0].var_type == VAR_STRING
|
|
|
7935 && *get_var_string(&argvars[0]) != NUL))
|
|
|
7936 curbuf->b_visual_mode_eval = NUL;
|
|
|
7937 #else
|
|
|
7938 retvar->var_val.var_number = 0; /* return anything, it won't work anyway */
|
|
|
7939 #endif
|
|
|
7940 }
|
|
|
7941
|
|
|
7942 /*
|
|
|
7943 * "winbufnr(nr)" function
|
|
|
7944 */
|
|
|
7945 static void
|
|
|
7946 f_winbufnr(argvars, retvar)
|
|
|
7947 VAR argvars;
|
|
|
7948 VAR retvar;
|
|
|
7949 {
|
|
|
7950 win_T *wp;
|
|
|
7951
|
|
|
7952 wp = find_win_by_nr(&argvars[0]);
|
|
|
7953 if (wp == NULL)
|
|
|
7954 retvar->var_val.var_number = -1;
|
|
|
7955 else
|
|
|
7956 retvar->var_val.var_number = wp->w_buffer->b_fnum;
|
|
|
7957 }
|
|
|
7958
|
|
|
7959 /*
|
|
|
7960 * "wincol()" function
|
|
|
7961 */
|
|
|
7962 /*ARGSUSED*/
|
|
|
7963 static void
|
|
|
7964 f_wincol(argvars, retvar)
|
|
|
7965 VAR argvars;
|
|
|
7966 VAR retvar;
|
|
|
7967 {
|
|
|
7968 validate_cursor();
|
|
|
7969 retvar->var_val.var_number = curwin->w_wcol + 1;
|
|
|
7970 }
|
|
|
7971
|
|
|
7972 /*
|
|
|
7973 * "winheight(nr)" function
|
|
|
7974 */
|
|
|
7975 static void
|
|
|
7976 f_winheight(argvars, retvar)
|
|
|
7977 VAR argvars;
|
|
|
7978 VAR retvar;
|
|
|
7979 {
|
|
|
7980 win_T *wp;
|
|
|
7981
|
|
|
7982 wp = find_win_by_nr(&argvars[0]);
|
|
|
7983 if (wp == NULL)
|
|
|
7984 retvar->var_val.var_number = -1;
|
|
|
7985 else
|
|
|
7986 retvar->var_val.var_number = wp->w_height;
|
|
|
7987 }
|
|
|
7988
|
|
|
7989 /*
|
|
|
7990 * "winline()" function
|
|
|
7991 */
|
|
|
7992 /*ARGSUSED*/
|
|
|
7993 static void
|
|
|
7994 f_winline(argvars, retvar)
|
|
|
7995 VAR argvars;
|
|
|
7996 VAR retvar;
|
|
|
7997 {
|
|
|
7998 validate_cursor();
|
|
|
7999 retvar->var_val.var_number = curwin->w_wrow + 1;
|
|
|
8000 }
|
|
|
8001
|
|
|
8002 /*
|
|
|
8003 * "winnr()" function
|
|
|
8004 */
|
|
|
8005 /* ARGSUSED */
|
|
|
8006 static void
|
|
|
8007 f_winnr(argvars, retvar)
|
|
|
8008 VAR argvars;
|
|
|
8009 VAR retvar;
|
|
|
8010 {
|
|
|
8011 int nr = 1;
|
|
|
8012 #ifdef FEAT_WINDOWS
|
|
|
8013 win_T *wp;
|
|
20
|
8014 win_T *twin = curwin;
|
|
|
8015 char_u *arg;
|
|
|
8016
|
|
|
8017 if (argvars[0].var_type != VAR_UNKNOWN)
|
|
|
8018 {
|
|
|
8019 arg = get_var_string(&argvars[0]);
|
|
|
8020 if (STRCMP(arg, "$") == 0)
|
|
|
8021 twin = lastwin;
|
|
|
8022 else if (STRCMP(arg, "#") == 0)
|
|
|
8023 {
|
|
|
8024 twin = prevwin;
|
|
|
8025 if (prevwin == NULL)
|
|
|
8026 nr = 0;
|
|
|
8027 }
|
|
|
8028 else
|
|
|
8029 {
|
|
|
8030 EMSG2(_(e_invexpr2), arg);
|
|
|
8031 nr = 0;
|
|
|
8032 }
|
|
|
8033 }
|
|
|
8034
|
|
|
8035 if (nr > 0)
|
|
|
8036 for (wp = firstwin; wp != twin; wp = wp->w_next)
|
|
|
8037 ++nr;
|
|
7
|
8038 #endif
|
|
|
8039 retvar->var_val.var_number = nr;
|
|
|
8040 }
|
|
|
8041
|
|
|
8042 /*
|
|
|
8043 * "winrestcmd()" function
|
|
|
8044 */
|
|
|
8045 /* ARGSUSED */
|
|
|
8046 static void
|
|
|
8047 f_winrestcmd(argvars, retvar)
|
|
|
8048 VAR argvars;
|
|
|
8049 VAR retvar;
|
|
|
8050 {
|
|
|
8051 #ifdef FEAT_WINDOWS
|
|
|
8052 win_T *wp;
|
|
|
8053 int winnr = 1;
|
|
|
8054 garray_T ga;
|
|
|
8055 char_u buf[50];
|
|
|
8056
|
|
|
8057 ga_init2(&ga, (int)sizeof(char), 70);
|
|
|
8058 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
8059 {
|
|
|
8060 sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
|
|
|
8061 ga_concat(&ga, buf);
|
|
|
8062 # ifdef FEAT_VERTSPLIT
|
|
|
8063 sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
|
|
|
8064 ga_concat(&ga, buf);
|
|
|
8065 # endif
|
|
|
8066 ++winnr;
|
|
|
8067 }
|
|
|
8068
|
|
|
8069 retvar->var_val.var_string = ga.ga_data;
|
|
|
8070 #else
|
|
|
8071 retvar->var_val.var_string = NULL;
|
|
|
8072 #endif
|
|
|
8073 retvar->var_type = VAR_STRING;
|
|
|
8074 }
|
|
|
8075
|
|
|
8076 /*
|
|
|
8077 * "winwidth(nr)" function
|
|
|
8078 */
|
|
|
8079 static void
|
|
|
8080 f_winwidth(argvars, retvar)
|
|
|
8081 VAR argvars;
|
|
|
8082 VAR retvar;
|
|
|
8083 {
|
|
|
8084 win_T *wp;
|
|
|
8085
|
|
|
8086 wp = find_win_by_nr(&argvars[0]);
|
|
|
8087 if (wp == NULL)
|
|
|
8088 retvar->var_val.var_number = -1;
|
|
|
8089 else
|
|
|
8090 #ifdef FEAT_VERTSPLIT
|
|
|
8091 retvar->var_val.var_number = wp->w_width;
|
|
|
8092 #else
|
|
|
8093 retvar->var_val.var_number = Columns;
|
|
|
8094 #endif
|
|
|
8095 }
|
|
|
8096
|
|
|
8097 static win_T *
|
|
|
8098 find_win_by_nr(vp)
|
|
|
8099 VAR vp;
|
|
|
8100 {
|
|
|
8101 #ifdef FEAT_WINDOWS
|
|
|
8102 win_T *wp;
|
|
|
8103 #endif
|
|
|
8104 int nr;
|
|
|
8105
|
|
|
8106 nr = get_var_number(vp);
|
|
|
8107
|
|
|
8108 #ifdef FEAT_WINDOWS
|
|
|
8109 if (nr == 0)
|
|
|
8110 return curwin;
|
|
|
8111
|
|
|
8112 for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
|
8113 if (--nr <= 0)
|
|
|
8114 break;
|
|
|
8115 return wp;
|
|
|
8116 #else
|
|
|
8117 if (nr == 0 || nr == 1)
|
|
|
8118 return curwin;
|
|
|
8119 return NULL;
|
|
|
8120 #endif
|
|
|
8121 }
|
|
|
8122
|
|
|
8123 /*
|
|
|
8124 * Translate a String variable into a position.
|
|
|
8125 */
|
|
|
8126 static pos_T *
|
|
|
8127 var2fpos(varp, lnum)
|
|
|
8128 VAR varp;
|
|
|
8129 int lnum; /* TRUE when $ is last line */
|
|
|
8130 {
|
|
|
8131 char_u *name;
|
|
|
8132 static pos_T pos;
|
|
|
8133 pos_T *pp;
|
|
|
8134
|
|
|
8135 name = get_var_string(varp);
|
|
|
8136 if (name[0] == '.') /* cursor */
|
|
|
8137 return &curwin->w_cursor;
|
|
|
8138 if (name[0] == '\'') /* mark */
|
|
|
8139 {
|
|
|
8140 pp = getmark(name[1], FALSE);
|
|
|
8141 if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
|
|
|
8142 return NULL;
|
|
|
8143 return pp;
|
|
|
8144 }
|
|
|
8145 if (name[0] == '$') /* last column or line */
|
|
|
8146 {
|
|
|
8147 if (lnum)
|
|
|
8148 {
|
|
|
8149 pos.lnum = curbuf->b_ml.ml_line_count;
|
|
|
8150 pos.col = 0;
|
|
|
8151 }
|
|
|
8152 else
|
|
|
8153 {
|
|
|
8154 pos.lnum = curwin->w_cursor.lnum;
|
|
|
8155 pos.col = (colnr_T)STRLEN(ml_get_curline());
|
|
|
8156 }
|
|
|
8157 return &pos;
|
|
|
8158 }
|
|
|
8159 return NULL;
|
|
|
8160 }
|
|
|
8161
|
|
|
8162 /*
|
|
|
8163 * Get the length of an environment variable name.
|
|
|
8164 * Advance "arg" to the first character after the name.
|
|
|
8165 * Return 0 for error.
|
|
|
8166 */
|
|
|
8167 static int
|
|
|
8168 get_env_len(arg)
|
|
|
8169 char_u **arg;
|
|
|
8170 {
|
|
|
8171 char_u *p;
|
|
|
8172 int len;
|
|
|
8173
|
|
|
8174 for (p = *arg; vim_isIDc(*p); ++p)
|
|
|
8175 ;
|
|
|
8176 if (p == *arg) /* no name found */
|
|
|
8177 return 0;
|
|
|
8178
|
|
|
8179 len = (int)(p - *arg);
|
|
|
8180 *arg = p;
|
|
|
8181 return len;
|
|
|
8182 }
|
|
|
8183
|
|
|
8184 /*
|
|
|
8185 * Get the length of the name of a function or internal variable.
|
|
|
8186 * "arg" is advanced to the first non-white character after the name.
|
|
|
8187 * Return 0 if something is wrong.
|
|
|
8188 */
|
|
|
8189 static int
|
|
|
8190 get_id_len(arg)
|
|
|
8191 char_u **arg;
|
|
|
8192 {
|
|
|
8193 char_u *p;
|
|
|
8194 int len;
|
|
|
8195
|
|
|
8196 /* Find the end of the name. */
|
|
|
8197 for (p = *arg; eval_isnamec(*p); ++p)
|
|
|
8198 ;
|
|
|
8199 if (p == *arg) /* no name found */
|
|
|
8200 return 0;
|
|
|
8201
|
|
|
8202 len = (int)(p - *arg);
|
|
|
8203 *arg = skipwhite(p);
|
|
|
8204
|
|
|
8205 return len;
|
|
|
8206 }
|
|
|
8207
|
|
|
8208 /*
|
|
|
8209 * Get the length of the name of a function.
|
|
|
8210 * "arg" is advanced to the first non-white character after the name.
|
|
|
8211 * Return 0 if something is wrong.
|
|
|
8212 * If the name contains 'magic' {}'s, expand them and return the
|
|
|
8213 * expanded name in an allocated string via 'alias' - caller must free.
|
|
|
8214 */
|
|
|
8215 static int
|
|
|
8216 get_func_len(arg, alias, evaluate)
|
|
|
8217 char_u **arg;
|
|
|
8218 char_u **alias;
|
|
|
8219 int evaluate;
|
|
|
8220 {
|
|
|
8221 int len;
|
|
|
8222 #ifdef FEAT_MAGIC_BRACES
|
|
|
8223 char_u *p;
|
|
|
8224 char_u *expr_start;
|
|
|
8225 char_u *expr_end;
|
|
|
8226 #endif
|
|
|
8227
|
|
|
8228 *alias = NULL; /* default to no alias */
|
|
|
8229
|
|
|
8230 if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA
|
|
|
8231 && (*arg)[2] == (int)KE_SNR)
|
|
|
8232 {
|
|
|
8233 /* hard coded <SNR>, already translated */
|
|
|
8234 *arg += 3;
|
|
|
8235 return get_id_len(arg) + 3;
|
|
|
8236 }
|
|
|
8237 len = eval_fname_script(*arg);
|
|
|
8238 if (len > 0)
|
|
|
8239 {
|
|
|
8240 /* literal "<SID>", "s:" or "<SNR>" */
|
|
|
8241 *arg += len;
|
|
|
8242 }
|
|
|
8243
|
|
|
8244 #ifdef FEAT_MAGIC_BRACES
|
|
|
8245 /*
|
|
|
8246 * Find the end of the name;
|
|
|
8247 */
|
|
|
8248 p = find_name_end(*arg, &expr_start, &expr_end);
|
|
|
8249 /* check for {} construction */
|
|
|
8250 if (expr_start != NULL)
|
|
|
8251 {
|
|
|
8252 char_u *temp_string;
|
|
|
8253
|
|
|
8254 if (!evaluate)
|
|
|
8255 {
|
|
|
8256 len += (int)(p - *arg);
|
|
|
8257 *arg = skipwhite(p);
|
|
|
8258 return len;
|
|
|
8259 }
|
|
|
8260
|
|
|
8261 /*
|
|
|
8262 * Include any <SID> etc in the expanded string:
|
|
|
8263 * Thus the -len here.
|
|
|
8264 */
|
|
|
8265 temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p);
|
|
|
8266 if (temp_string == NULL)
|
|
|
8267 return 0;
|
|
|
8268 *alias = temp_string;
|
|
|
8269 *arg = skipwhite(p);
|
|
|
8270 return (int)STRLEN(temp_string);
|
|
|
8271 }
|
|
|
8272 #endif
|
|
|
8273
|
|
|
8274 len += get_id_len(arg);
|
|
|
8275 if (len == 0)
|
|
|
8276 EMSG2(_(e_invexpr2), *arg);
|
|
|
8277
|
|
|
8278 return len;
|
|
|
8279 }
|
|
|
8280
|
|
|
8281 static char_u *
|
|
|
8282 find_name_end(arg, expr_start, expr_end)
|
|
|
8283 char_u *arg;
|
|
|
8284 char_u **expr_start;
|
|
|
8285 char_u **expr_end;
|
|
|
8286 {
|
|
|
8287 int nesting = 0;
|
|
|
8288 char_u *p;
|
|
|
8289
|
|
|
8290 *expr_start = NULL;
|
|
|
8291 *expr_end = NULL;
|
|
|
8292
|
|
|
8293 for (p = arg; (*p != NUL && (eval_isnamec(*p) || nesting != 0)); ++p)
|
|
|
8294 {
|
|
|
8295 #ifdef FEAT_MAGIC_BRACES
|
|
|
8296 if (*p == '{')
|
|
|
8297 {
|
|
|
8298 nesting++;
|
|
|
8299 if (*expr_start == NULL)
|
|
|
8300 *expr_start = p;
|
|
|
8301 }
|
|
|
8302 else if (*p == '}')
|
|
|
8303 {
|
|
|
8304 nesting--;
|
|
|
8305 if (nesting == 0 && *expr_end == NULL)
|
|
|
8306 *expr_end = p;
|
|
|
8307 }
|
|
|
8308 #endif
|
|
|
8309 }
|
|
|
8310
|
|
|
8311 return p;
|
|
|
8312 }
|
|
|
8313
|
|
|
8314 /*
|
|
|
8315 * Return TRUE if character "c" can be used in a variable or function name.
|
|
|
8316 */
|
|
|
8317 static int
|
|
|
8318 eval_isnamec(c)
|
|
|
8319 int c;
|
|
|
8320 {
|
|
|
8321 return (ASCII_ISALNUM(c) || c == '_' || c == ':'
|
|
|
8322 #ifdef FEAT_MAGIC_BRACES
|
|
|
8323 || c == '{' || c == '}'
|
|
|
8324 #endif
|
|
|
8325 );
|
|
|
8326 }
|
|
|
8327
|
|
|
8328 /*
|
|
|
8329 * Find a v: variable.
|
|
|
8330 * Return it's index, or -1 if not found.
|
|
|
8331 */
|
|
|
8332 static int
|
|
|
8333 find_vim_var(name, len)
|
|
|
8334 char_u *name;
|
|
|
8335 int len; /* length of "name" */
|
|
|
8336 {
|
|
|
8337 char_u *vname;
|
|
|
8338 int vlen;
|
|
|
8339 int i;
|
|
|
8340
|
|
|
8341 /*
|
|
|
8342 * Ignore "v:" for old built-in variables, require it for new ones.
|
|
|
8343 */
|
|
|
8344 if (name[0] == 'v' && name[1] == ':')
|
|
|
8345 {
|
|
|
8346 vname = name + 2;
|
|
|
8347 vlen = len - 2;
|
|
|
8348 }
|
|
|
8349 else
|
|
|
8350 {
|
|
|
8351 vname = name;
|
|
|
8352 vlen = len;
|
|
|
8353 }
|
|
|
8354 for (i = 0; i < VV_LEN; ++i)
|
|
|
8355 if (vlen == vimvars[i].len && STRCMP(vname, vimvars[i].name) == 0
|
|
|
8356 && ((vimvars[i].flags & VV_COMPAT) || vname != name))
|
|
|
8357 return i;
|
|
|
8358 return -1;
|
|
|
8359 }
|
|
|
8360
|
|
|
8361 /*
|
|
|
8362 * Set number v: variable to "val".
|
|
|
8363 */
|
|
|
8364 void
|
|
|
8365 set_vim_var_nr(idx, val)
|
|
|
8366 int idx;
|
|
|
8367 long val;
|
|
|
8368 {
|
|
|
8369 vimvars[idx].val = (char_u *)val;
|
|
|
8370 }
|
|
|
8371
|
|
|
8372 /*
|
|
|
8373 * Get number v: variable value;
|
|
|
8374 */
|
|
|
8375 long
|
|
|
8376 get_vim_var_nr(idx)
|
|
|
8377 int idx;
|
|
|
8378 {
|
|
|
8379 return (long)vimvars[idx].val;
|
|
|
8380 }
|
|
|
8381
|
|
|
8382 /*
|
|
|
8383 * Set v:count, v:count1 and v:prevcount.
|
|
|
8384 */
|
|
|
8385 void
|
|
|
8386 set_vcount(count, count1)
|
|
|
8387 long count;
|
|
|
8388 long count1;
|
|
|
8389 {
|
|
|
8390 vimvars[VV_PREVCOUNT].val = vimvars[VV_COUNT].val;
|
|
|
8391 vimvars[VV_COUNT].val = (char_u *)count;
|
|
|
8392 vimvars[VV_COUNT1].val = (char_u *)count1;
|
|
|
8393 }
|
|
|
8394
|
|
|
8395 /*
|
|
|
8396 * Set string v: variable to a copy of "val".
|
|
|
8397 */
|
|
|
8398 void
|
|
|
8399 set_vim_var_string(idx, val, len)
|
|
|
8400 int idx;
|
|
|
8401 char_u *val;
|
|
|
8402 int len; /* length of "val" to use or -1 (whole string) */
|
|
|
8403 {
|
|
|
8404 vim_free(vimvars[idx].val);
|
|
|
8405 if (val == NULL)
|
|
|
8406 vimvars[idx].val = NULL;
|
|
|
8407 else if (len == -1)
|
|
|
8408 vimvars[idx].val = vim_strsave(val);
|
|
|
8409 else
|
|
|
8410 vimvars[idx].val = vim_strnsave(val, len);
|
|
|
8411 }
|
|
|
8412
|
|
|
8413 /*
|
|
|
8414 * Set v:register if needed.
|
|
|
8415 */
|
|
|
8416 void
|
|
|
8417 set_reg_var(c)
|
|
|
8418 int c;
|
|
|
8419 {
|
|
|
8420 char_u regname;
|
|
|
8421
|
|
|
8422 if (c == 0 || c == ' ')
|
|
|
8423 regname = '"';
|
|
|
8424 else
|
|
|
8425 regname = c;
|
|
|
8426 /* Avoid free/alloc when the value is already right. */
|
|
|
8427 if (vimvars[VV_REG].val == NULL || vimvars[VV_REG].val[0] != c)
|
|
|
8428 set_vim_var_string(VV_REG, ®name, 1);
|
|
|
8429 }
|
|
|
8430
|
|
|
8431 /*
|
|
|
8432 * Get or set v:exception. If "oldval" == NULL, return the current value.
|
|
|
8433 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
8434 * Must always be called in pairs to save and restore v:exception! Does not
|
|
|
8435 * take care of memory allocations.
|
|
|
8436 */
|
|
|
8437 char_u *
|
|
|
8438 v_exception(oldval)
|
|
|
8439 char_u *oldval;
|
|
|
8440 {
|
|
|
8441 if (oldval == NULL)
|
|
|
8442 return vimvars[VV_EXCEPTION].val;
|
|
|
8443
|
|
|
8444 vimvars[VV_EXCEPTION].val = oldval;
|
|
|
8445 return NULL;
|
|
|
8446 }
|
|
|
8447
|
|
|
8448 /*
|
|
|
8449 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
|
|
|
8450 * Otherwise, restore the value to "oldval" and return NULL.
|
|
|
8451 * Must always be called in pairs to save and restore v:throwpoint! Does not
|
|
|
8452 * take care of memory allocations.
|
|
|
8453 */
|
|
|
8454 char_u *
|
|
|
8455 v_throwpoint(oldval)
|
|
|
8456 char_u *oldval;
|
|
|
8457 {
|
|
|
8458 if (oldval == NULL)
|
|
|
8459 return vimvars[VV_THROWPOINT].val;
|
|
|
8460
|
|
|
8461 vimvars[VV_THROWPOINT].val = oldval;
|
|
|
8462 return NULL;
|
|
|
8463 }
|
|
|
8464
|
|
|
8465 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
8466 /*
|
|
|
8467 * Set v:cmdarg.
|
|
|
8468 * If "eap" != NULL, use "eap" to generate the value and return the old value.
|
|
|
8469 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
|
|
|
8470 * Must always be called in pairs!
|
|
|
8471 */
|
|
|
8472 char_u *
|
|
|
8473 set_cmdarg(eap, oldarg)
|
|
|
8474 exarg_T *eap;
|
|
|
8475 char_u *oldarg;
|
|
|
8476 {
|
|
|
8477 char_u *oldval;
|
|
|
8478 char_u *newval;
|
|
|
8479 unsigned len;
|
|
|
8480
|
|
|
8481 oldval = vimvars[VV_CMDARG].val;
|
|
|
8482 if (eap != NULL)
|
|
|
8483 {
|
|
|
8484 if (eap->force_bin == FORCE_BIN)
|
|
|
8485 len = 6;
|
|
|
8486 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8487 len = 8;
|
|
|
8488 else
|
|
|
8489 len = 0;
|
|
|
8490 if (eap->force_ff != 0)
|
|
|
8491 len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6;
|
|
|
8492 # ifdef FEAT_MBYTE
|
|
|
8493 if (eap->force_enc != 0)
|
|
|
8494 len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
|
|
|
8495 # endif
|
|
|
8496
|
|
|
8497 newval = alloc(len + 1);
|
|
|
8498 if (newval == NULL)
|
|
|
8499 return NULL;
|
|
|
8500
|
|
|
8501 if (eap->force_bin == FORCE_BIN)
|
|
|
8502 sprintf((char *)newval, " ++bin");
|
|
|
8503 else if (eap->force_bin == FORCE_NOBIN)
|
|
|
8504 sprintf((char *)newval, " ++nobin");
|
|
|
8505 else
|
|
|
8506 *newval = NUL;
|
|
|
8507 if (eap->force_ff != 0)
|
|
|
8508 sprintf((char *)newval + STRLEN(newval), " ++ff=%s",
|
|
|
8509 eap->cmd + eap->force_ff);
|
|
|
8510 # ifdef FEAT_MBYTE
|
|
|
8511 if (eap->force_enc != 0)
|
|
|
8512 sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
|
|
|
8513 eap->cmd + eap->force_enc);
|
|
|
8514 # endif
|
|
|
8515 vimvars[VV_CMDARG].val = newval;
|
|
|
8516 return oldval;
|
|
|
8517 }
|
|
|
8518
|
|
|
8519 vim_free(oldval);
|
|
|
8520 vimvars[VV_CMDARG].val = oldarg;
|
|
|
8521 return NULL;
|
|
|
8522 }
|
|
|
8523 #endif
|
|
|
8524
|
|
|
8525 /*
|
|
|
8526 * Get the value of internal variable "name".
|
|
|
8527 * Return OK or FAIL.
|
|
|
8528 */
|
|
|
8529 static int
|
|
|
8530 get_var_var(name, len, retvar)
|
|
|
8531 char_u *name;
|
|
|
8532 int len; /* length of "name" */
|
|
|
8533 VAR retvar; /* NULL when only checking existence */
|
|
|
8534 {
|
|
|
8535 int ret = OK;
|
|
|
8536 int type = VAR_UNKNOWN;
|
|
|
8537 long number = 1;
|
|
|
8538 char_u *string = NULL;
|
|
|
8539 VAR v;
|
|
|
8540 int cc;
|
|
|
8541 int i;
|
|
|
8542
|
|
|
8543 /* truncate the name, so that we can use strcmp() */
|
|
|
8544 cc = name[len];
|
|
|
8545 name[len] = NUL;
|
|
|
8546
|
|
|
8547 /*
|
|
|
8548 * Check for "b:changedtick".
|
|
|
8549 */
|
|
|
8550 if (STRCMP(name, "b:changedtick") == 0)
|
|
|
8551 {
|
|
|
8552 type = VAR_NUMBER;
|
|
|
8553 number = curbuf->b_changedtick;
|
|
|
8554 }
|
|
|
8555
|
|
|
8556 /*
|
|
|
8557 * Check for built-in v: variables.
|
|
|
8558 */
|
|
|
8559 else if ((i = find_vim_var(name, len)) >= 0)
|
|
|
8560 {
|
|
|
8561 type = vimvars[i].type;
|
|
|
8562 number = (long)vimvars[i].val;
|
|
|
8563 string = vimvars[i].val;
|
|
|
8564 }
|
|
|
8565
|
|
|
8566 /*
|
|
|
8567 * Check for user-defined variables.
|
|
|
8568 */
|
|
|
8569 else
|
|
|
8570 {
|
|
|
8571 v = find_var(name, FALSE);
|
|
|
8572 if (v != NULL)
|
|
|
8573 {
|
|
|
8574 type = v->var_type;
|
|
|
8575 number = v->var_val.var_number;
|
|
|
8576 string = v->var_val.var_string;
|
|
|
8577 }
|
|
|
8578 }
|
|
|
8579
|
|
|
8580 if (type == VAR_UNKNOWN)
|
|
|
8581 {
|
|
|
8582 if (retvar != NULL)
|
|
|
8583 EMSG2(_("E121: Undefined variable: %s"), name);
|
|
|
8584 ret = FAIL;
|
|
|
8585 }
|
|
|
8586 else if (retvar != NULL)
|
|
|
8587 {
|
|
|
8588 retvar->var_type = type;
|
|
|
8589 if (type == VAR_NUMBER)
|
|
|
8590 retvar->var_val.var_number = number;
|
|
|
8591 else if (type == VAR_STRING)
|
|
|
8592 {
|
|
|
8593 if (string != NULL)
|
|
|
8594 string = vim_strsave(string);
|
|
|
8595 retvar->var_val.var_string = string;
|
|
|
8596 }
|
|
|
8597 }
|
|
|
8598
|
|
|
8599 name[len] = cc;
|
|
|
8600
|
|
|
8601 return ret;
|
|
|
8602 }
|
|
|
8603
|
|
|
8604 /*
|
|
|
8605 * Allocate memory for a variable, and make it emtpy (0 or NULL value).
|
|
|
8606 */
|
|
|
8607 static VAR
|
|
|
8608 alloc_var()
|
|
|
8609 {
|
|
|
8610 return (VAR)alloc_clear((unsigned)sizeof(var));
|
|
|
8611 }
|
|
|
8612
|
|
|
8613 /*
|
|
|
8614 * Allocate memory for a variable, and assign a string to it.
|
|
|
8615 * The string "s" must have been allocated, it is consumed.
|
|
|
8616 * Return NULL for out of memory, the variable otherwise.
|
|
|
8617 */
|
|
|
8618 static VAR
|
|
|
8619 alloc_string_var(s)
|
|
|
8620 char_u *s;
|
|
|
8621 {
|
|
|
8622 VAR retvar;
|
|
|
8623
|
|
|
8624 retvar = alloc_var();
|
|
|
8625 if (retvar != NULL)
|
|
|
8626 {
|
|
|
8627 retvar->var_type = VAR_STRING;
|
|
|
8628 retvar->var_val.var_string = s;
|
|
|
8629 }
|
|
|
8630 else
|
|
|
8631 vim_free(s);
|
|
|
8632 return retvar;
|
|
|
8633 }
|
|
|
8634
|
|
|
8635 /*
|
|
|
8636 * Free the memory for a variable.
|
|
|
8637 */
|
|
|
8638 static void
|
|
|
8639 free_var(varp)
|
|
|
8640 VAR varp;
|
|
|
8641 {
|
|
|
8642 if (varp != NULL)
|
|
|
8643 {
|
|
|
8644 if (varp->var_type == VAR_STRING)
|
|
|
8645 vim_free(varp->var_val.var_string);
|
|
|
8646 vim_free(varp->var_name);
|
|
|
8647 vim_free(varp);
|
|
|
8648 }
|
|
|
8649 }
|
|
|
8650
|
|
|
8651 /*
|
|
|
8652 * Free the memory for a variable value and set the value to NULL or 0.
|
|
|
8653 */
|
|
|
8654 static void
|
|
|
8655 clear_var(varp)
|
|
|
8656 VAR varp;
|
|
|
8657 {
|
|
|
8658 if (varp != NULL)
|
|
|
8659 {
|
|
|
8660 if (varp->var_type == VAR_STRING)
|
|
|
8661 {
|
|
|
8662 vim_free(varp->var_val.var_string);
|
|
|
8663 varp->var_val.var_string = NULL;
|
|
|
8664 }
|
|
|
8665 else
|
|
|
8666 varp->var_val.var_number = 0;
|
|
|
8667 }
|
|
|
8668 }
|
|
|
8669
|
|
|
8670 /*
|
|
|
8671 * Get the number value of a variable.
|
|
|
8672 * If it is a String variable, uses vim_str2nr().
|
|
|
8673 */
|
|
|
8674 static long
|
|
|
8675 get_var_number(varp)
|
|
|
8676 VAR varp;
|
|
|
8677 {
|
|
|
8678 long n;
|
|
|
8679
|
|
|
8680 if (varp->var_type == VAR_NUMBER)
|
|
|
8681 return (long)(varp->var_val.var_number);
|
|
|
8682 else if (varp->var_type == VAR_UNKNOWN || varp->var_val.var_string == NULL)
|
|
|
8683 return 0L;
|
|
|
8684 else
|
|
|
8685 {
|
|
|
8686 vim_str2nr(varp->var_val.var_string, NULL, NULL, TRUE, TRUE, &n, NULL);
|
|
|
8687 return n;
|
|
|
8688 }
|
|
|
8689 }
|
|
|
8690
|
|
|
8691 /*
|
|
|
8692 * Get the lnum from the first argument. Also accepts ".", "$", etc.
|
|
|
8693 */
|
|
|
8694 static linenr_T
|
|
|
8695 get_var_lnum(argvars)
|
|
|
8696 VAR argvars;
|
|
|
8697 {
|
|
|
8698 var retvar;
|
|
|
8699 linenr_T lnum;
|
|
|
8700
|
|
|
8701 lnum = get_var_number(&argvars[0]);
|
|
|
8702 if (lnum == 0) /* no valid number, try using line() */
|
|
|
8703 {
|
|
|
8704 retvar.var_type = VAR_NUMBER;
|
|
|
8705 f_line(argvars, &retvar);
|
|
|
8706 lnum = retvar.var_val.var_number;
|
|
|
8707 clear_var(&retvar);
|
|
|
8708 }
|
|
|
8709 return lnum;
|
|
|
8710 }
|
|
|
8711
|
|
|
8712 /*
|
|
|
8713 * Get the string value of a variable.
|
|
|
8714 * If it is a Number variable, the number is converted into a string.
|
|
|
8715 * get_var_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
|
|
|
8716 * get_var_string_buf() uses a given buffer.
|
|
|
8717 * If the String variable has never been set, return an empty string.
|
|
|
8718 * Never returns NULL;
|
|
|
8719 */
|
|
|
8720 static char_u *
|
|
|
8721 get_var_string(varp)
|
|
|
8722 VAR varp;
|
|
|
8723 {
|
|
|
8724 static char_u mybuf[NUMBUFLEN];
|
|
|
8725
|
|
|
8726 return get_var_string_buf(varp, mybuf);
|
|
|
8727 }
|
|
|
8728
|
|
|
8729 static char_u *
|
|
|
8730 get_var_string_buf(varp, buf)
|
|
|
8731 VAR varp;
|
|
|
8732 char_u *buf;
|
|
|
8733 {
|
|
|
8734 if (varp->var_type == VAR_NUMBER)
|
|
|
8735 {
|
|
|
8736 sprintf((char *)buf, "%ld", (long)varp->var_val.var_number);
|
|
|
8737 return buf;
|
|
|
8738 }
|
|
|
8739 else if (varp->var_val.var_string == NULL)
|
|
|
8740 return (char_u *)"";
|
|
|
8741 else
|
|
|
8742 return varp->var_val.var_string;
|
|
|
8743 }
|
|
|
8744
|
|
|
8745 /*
|
|
|
8746 * Find variable "name" in the list of variables.
|
|
|
8747 * Return a pointer to it if found, NULL if not found.
|
|
|
8748 */
|
|
|
8749 static VAR
|
|
|
8750 find_var(name, writing)
|
|
|
8751 char_u *name;
|
|
|
8752 int writing;
|
|
|
8753 {
|
|
|
8754 int i;
|
|
|
8755 char_u *varname;
|
|
|
8756 garray_T *gap;
|
|
|
8757
|
|
|
8758 /* Check for function arguments "a:" */
|
|
|
8759 if (name[0] == 'a' && name[1] == ':')
|
|
|
8760 {
|
|
|
8761 if (writing)
|
|
|
8762 {
|
|
|
8763 EMSG2(_(e_readonlyvar), name);
|
|
|
8764 return NULL;
|
|
|
8765 }
|
|
|
8766 name += 2;
|
|
|
8767 if (current_funccal == NULL)
|
|
|
8768 return NULL;
|
|
|
8769 if (VIM_ISDIGIT(*name))
|
|
|
8770 {
|
|
|
8771 i = atol((char *)name);
|
|
|
8772 if (i == 0) /* a:0 */
|
|
|
8773 return ¤t_funccal->a0_var;
|
|
|
8774 i += current_funccal->func->args.ga_len;
|
|
|
8775 if (i > current_funccal->argcount) /* a:999 */
|
|
|
8776 return NULL;
|
|
|
8777 return &(current_funccal->argvars[i - 1]); /* a:1, a:2, etc. */
|
|
|
8778 }
|
|
|
8779 if (STRCMP(name, "firstline") == 0)
|
|
|
8780 return &(current_funccal->firstline);
|
|
|
8781 if (STRCMP(name, "lastline") == 0)
|
|
|
8782 return &(current_funccal->lastline);
|
|
|
8783 for (i = 0; i < current_funccal->func->args.ga_len; ++i)
|
|
|
8784 if (STRCMP(name, ((char_u **)
|
|
|
8785 (current_funccal->func->args.ga_data))[i]) == 0)
|
|
|
8786 return &(current_funccal->argvars[i]); /* a:name */
|
|
|
8787 return NULL;
|
|
|
8788 }
|
|
|
8789
|
|
|
8790 gap = find_var_ga(name, &varname);
|
|
|
8791 if (gap == NULL)
|
|
|
8792 return NULL;
|
|
|
8793 return find_var_in_ga(gap, varname);
|
|
|
8794 }
|
|
|
8795
|
|
|
8796 static VAR
|
|
|
8797 find_var_in_ga(gap, varname)
|
|
|
8798 garray_T *gap;
|
|
|
8799 char_u *varname;
|
|
|
8800 {
|
|
|
8801 int i;
|
|
|
8802
|
|
|
8803 for (i = gap->ga_len; --i >= 0; )
|
|
|
8804 if (VAR_GAP_ENTRY(i, gap).var_name != NULL
|
|
|
8805 && STRCMP(VAR_GAP_ENTRY(i, gap).var_name, varname) == 0)
|
|
|
8806 break;
|
|
|
8807 if (i < 0)
|
|
|
8808 return NULL;
|
|
|
8809 return &VAR_GAP_ENTRY(i, gap);
|
|
|
8810 }
|
|
|
8811
|
|
|
8812 /*
|
|
|
8813 * Find the growarray and start of name without ':' for a variable name.
|
|
|
8814 */
|
|
|
8815 static garray_T *
|
|
|
8816 find_var_ga(name, varname)
|
|
|
8817 char_u *name;
|
|
|
8818 char_u **varname;
|
|
|
8819 {
|
|
|
8820 if (name[1] != ':')
|
|
|
8821 {
|
|
|
8822 /* If not "x:name" there must not be any ":" in the name. */
|
|
|
8823 if (vim_strchr(name, ':') != NULL)
|
|
|
8824 return NULL;
|
|
|
8825 *varname = name;
|
|
|
8826 if (current_funccal == NULL)
|
|
|
8827 return &variables; /* global variable */
|
|
|
8828 return ¤t_funccal->l_vars; /* local function variable */
|
|
|
8829 }
|
|
|
8830 *varname = name + 2;
|
|
|
8831 if (*name == 'b') /* buffer variable */
|
|
|
8832 return &curbuf->b_vars;
|
|
|
8833 if (*name == 'w') /* window variable */
|
|
|
8834 return &curwin->w_vars;
|
|
|
8835 if (*name == 'g') /* global variable */
|
|
|
8836 return &variables;
|
|
|
8837 if (*name == 'l' && current_funccal != NULL)/* local function variable */
|
|
|
8838 return ¤t_funccal->l_vars;
|
|
|
8839 if (*name == 's' /* script variable */
|
|
|
8840 && current_SID > 0 && current_SID <= ga_scripts.ga_len)
|
|
|
8841 return &SCRIPT_VARS(current_SID);
|
|
|
8842 return NULL;
|
|
|
8843 }
|
|
|
8844
|
|
|
8845 /*
|
|
|
8846 * Get the string value of a (global/local) variable.
|
|
|
8847 * Returns NULL when it doesn't exist.
|
|
|
8848 */
|
|
|
8849 char_u *
|
|
|
8850 get_var_value(name)
|
|
|
8851 char_u *name;
|
|
|
8852 {
|
|
|
8853 VAR v;
|
|
|
8854
|
|
|
8855 v = find_var(name, FALSE);
|
|
|
8856 if (v == NULL)
|
|
|
8857 return NULL;
|
|
|
8858 return get_var_string(v);
|
|
|
8859 }
|
|
|
8860
|
|
|
8861 /*
|
|
|
8862 * Allocate a new growarry for a sourced script. It will be used while
|
|
|
8863 * sourcing this script and when executing functions defined in the script.
|
|
|
8864 */
|
|
|
8865 void
|
|
|
8866 new_script_vars(id)
|
|
|
8867 scid_T id;
|
|
|
8868 {
|
|
|
8869 if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK)
|
|
|
8870 {
|
|
|
8871 while (ga_scripts.ga_len < id)
|
|
|
8872 {
|
|
|
8873 var_init(&SCRIPT_VARS(ga_scripts.ga_len + 1));
|
|
|
8874 ++ga_scripts.ga_len;
|
|
|
8875 --ga_scripts.ga_room;
|
|
|
8876 }
|
|
|
8877 }
|
|
|
8878 }
|
|
|
8879
|
|
|
8880 /*
|
|
|
8881 * Initialize internal variables for use.
|
|
|
8882 */
|
|
|
8883 void
|
|
|
8884 var_init(gap)
|
|
|
8885 garray_T *gap;
|
|
|
8886 {
|
|
|
8887 ga_init2(gap, (int)sizeof(var), 4);
|
|
|
8888 }
|
|
|
8889
|
|
|
8890 /*
|
|
|
8891 * Clean up a list of internal variables.
|
|
|
8892 */
|
|
|
8893 void
|
|
|
8894 var_clear(gap)
|
|
|
8895 garray_T *gap;
|
|
|
8896 {
|
|
|
8897 int i;
|
|
|
8898
|
|
|
8899 for (i = gap->ga_len; --i >= 0; )
|
|
|
8900 var_free_one(&VAR_GAP_ENTRY(i, gap));
|
|
|
8901 ga_clear(gap);
|
|
|
8902 }
|
|
|
8903
|
|
|
8904 static void
|
|
|
8905 var_free_one(v)
|
|
|
8906 VAR v;
|
|
|
8907 {
|
|
|
8908 vim_free(v->var_name);
|
|
|
8909 v->var_name = NULL;
|
|
|
8910 if (v->var_type == VAR_STRING)
|
|
|
8911 vim_free(v->var_val.var_string);
|
|
|
8912 v->var_val.var_string = NULL;
|
|
|
8913 }
|
|
|
8914
|
|
|
8915 /*
|
|
|
8916 * List the value of one internal variable.
|
|
|
8917 */
|
|
|
8918 static void
|
|
|
8919 list_one_var(v, prefix)
|
|
|
8920 VAR v;
|
|
|
8921 char_u *prefix;
|
|
|
8922 {
|
|
|
8923 list_one_var_a(prefix, v->var_name, v->var_type, get_var_string(v));
|
|
|
8924 }
|
|
|
8925
|
|
|
8926 /*
|
|
|
8927 * List the value of one "v:" variable.
|
|
|
8928 */
|
|
|
8929 static void
|
|
|
8930 list_vim_var(i)
|
|
|
8931 int i; /* index in vimvars[] */
|
|
|
8932 {
|
|
|
8933 char_u *p;
|
|
|
8934 char_u numbuf[NUMBUFLEN];
|
|
|
8935
|
|
|
8936 if (vimvars[i].type == VAR_NUMBER)
|
|
|
8937 {
|
|
|
8938 p = numbuf;
|
|
|
8939 sprintf((char *)p, "%ld", (long)vimvars[i].val);
|
|
|
8940 }
|
|
|
8941 else if (vimvars[i].val == NULL)
|
|
|
8942 p = (char_u *)"";
|
|
|
8943 else
|
|
|
8944 p = vimvars[i].val;
|
|
|
8945 list_one_var_a((char_u *)"v:", (char_u *)vimvars[i].name,
|
|
|
8946 vimvars[i].type, p);
|
|
|
8947 }
|
|
|
8948
|
|
|
8949 static void
|
|
|
8950 list_one_var_a(prefix, name, type, string)
|
|
|
8951 char_u *prefix;
|
|
|
8952 char_u *name;
|
|
|
8953 int type;
|
|
|
8954 char_u *string;
|
|
|
8955 {
|
|
|
8956 msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */
|
|
|
8957 if (name != NULL) /* "a:" vars don't have a name stored */
|
|
|
8958 msg_puts(name);
|
|
|
8959 msg_putchar(' ');
|
|
|
8960 msg_advance(22);
|
|
|
8961 if (type == VAR_NUMBER)
|
|
|
8962 msg_putchar('#');
|
|
|
8963 else
|
|
|
8964 msg_putchar(' ');
|
|
|
8965 msg_outtrans(string);
|
|
|
8966 }
|
|
|
8967
|
|
|
8968 /*
|
|
|
8969 * Set variable "name" to value in "varp".
|
|
|
8970 * If the variable already exists, the value is updated.
|
|
|
8971 * Otherwise the variable is created.
|
|
|
8972 */
|
|
|
8973 static void
|
|
|
8974 set_var(name, varp)
|
|
|
8975 char_u *name;
|
|
|
8976 VAR varp;
|
|
|
8977 {
|
|
|
8978 int i;
|
|
|
8979 VAR v;
|
|
|
8980 char_u *varname;
|
|
|
8981 garray_T *gap;
|
|
|
8982
|
|
|
8983 /*
|
|
|
8984 * Handle setting internal v: variables.
|
|
|
8985 */
|
|
|
8986 i = find_vim_var(name, (int)STRLEN(name));
|
|
|
8987 if (i >= 0)
|
|
|
8988 {
|
|
|
8989 if (vimvars[i].flags & VV_RO)
|
|
|
8990 EMSG2(_(e_readonlyvar), name);
|
|
|
8991 else
|
|
|
8992 {
|
|
|
8993 if (vimvars[i].type == VAR_STRING)
|
|
|
8994 {
|
|
|
8995 vim_free(vimvars[i].val);
|
|
|
8996 vimvars[i].val = vim_strsave(get_var_string(varp));
|
|
|
8997 }
|
|
|
8998 else
|
|
|
8999 vimvars[i].val = (char_u *)(long)varp->var_val.var_number;
|
|
|
9000 }
|
|
|
9001 return;
|
|
|
9002 }
|
|
|
9003
|
|
|
9004 v = find_var(name, TRUE);
|
|
|
9005 if (v != NULL) /* existing variable, only need to free string */
|
|
|
9006 {
|
|
|
9007 if (v->var_type == VAR_STRING)
|
|
|
9008 vim_free(v->var_val.var_string);
|
|
|
9009 }
|
|
|
9010 else /* add a new variable */
|
|
|
9011 {
|
|
|
9012 gap = find_var_ga(name, &varname);
|
|
|
9013 if (gap == NULL) /* illegal name */
|
|
|
9014 {
|
|
|
9015 EMSG2(_("E461: Illegal variable name: %s"), name);
|
|
|
9016 return;
|
|
|
9017 }
|
|
|
9018
|
|
|
9019 /* Try to use an empty entry */
|
|
|
9020 for (i = gap->ga_len; --i >= 0; )
|
|
|
9021 if (VAR_GAP_ENTRY(i, gap).var_name == NULL)
|
|
|
9022 break;
|
|
|
9023 if (i < 0) /* need to allocate more room */
|
|
|
9024 {
|
|
|
9025 if (ga_grow(gap, 1) == FAIL)
|
|
|
9026 return;
|
|
|
9027 i = gap->ga_len;
|
|
|
9028 }
|
|
|
9029 v = &VAR_GAP_ENTRY(i, gap);
|
|
|
9030 if ((v->var_name = vim_strsave(varname)) == NULL)
|
|
|
9031 return;
|
|
|
9032 if (i == gap->ga_len)
|
|
|
9033 {
|
|
|
9034 ++gap->ga_len;
|
|
|
9035 --gap->ga_room;
|
|
|
9036 }
|
|
|
9037 }
|
|
|
9038 copy_var(varp, v);
|
|
|
9039 }
|
|
|
9040
|
|
|
9041 static void
|
|
|
9042 copy_var(from, to)
|
|
|
9043 VAR from;
|
|
|
9044 VAR to;
|
|
|
9045 {
|
|
|
9046 to->var_type = from->var_type;
|
|
|
9047 if (from->var_type == VAR_STRING)
|
|
|
9048 to->var_val.var_string = vim_strsave(get_var_string(from));
|
|
|
9049 else
|
|
|
9050 to->var_val.var_number = from->var_val.var_number;
|
|
|
9051 }
|
|
|
9052
|
|
|
9053 /*
|
|
|
9054 * ":echo expr1 ..." print each argument separated with a space, add a
|
|
|
9055 * newline at the end.
|
|
|
9056 * ":echon expr1 ..." print each argument plain.
|
|
|
9057 */
|
|
|
9058 void
|
|
|
9059 ex_echo(eap)
|
|
|
9060 exarg_T *eap;
|
|
|
9061 {
|
|
|
9062 char_u *arg = eap->arg;
|
|
|
9063 var retvar;
|
|
|
9064 char_u *p;
|
|
|
9065 int needclr = TRUE;
|
|
|
9066 int atstart = TRUE;
|
|
|
9067
|
|
|
9068 if (eap->skip)
|
|
|
9069 ++emsg_skip;
|
|
|
9070 while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int)
|
|
|
9071 {
|
|
|
9072 p = arg;
|
|
|
9073 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
9074 {
|
|
|
9075 /*
|
|
|
9076 * Report the invalid expression unless the expression evaluation
|
|
|
9077 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
9078 * exception.
|
|
|
9079 */
|
|
|
9080 if (!aborting())
|
|
|
9081 EMSG2(_(e_invexpr2), p);
|
|
|
9082 break;
|
|
|
9083 }
|
|
|
9084 if (!eap->skip)
|
|
|
9085 {
|
|
|
9086 if (atstart)
|
|
|
9087 {
|
|
|
9088 atstart = FALSE;
|
|
|
9089 /* Call msg_start() after eval1(), evaluating the expression
|
|
|
9090 * may cause a message to appear. */
|
|
|
9091 if (eap->cmdidx == CMD_echo)
|
|
|
9092 msg_start();
|
|
|
9093 }
|
|
|
9094 else if (eap->cmdidx == CMD_echo)
|
|
|
9095 msg_puts_attr((char_u *)" ", echo_attr);
|
|
|
9096 for (p = get_var_string(&retvar); *p != NUL && !got_int; ++p)
|
|
|
9097 if (*p == '\n' || *p == '\r' || *p == TAB)
|
|
|
9098 {
|
|
|
9099 if (*p != TAB && needclr)
|
|
|
9100 {
|
|
|
9101 /* remove any text still there from the command */
|
|
|
9102 msg_clr_eos();
|
|
|
9103 needclr = FALSE;
|
|
|
9104 }
|
|
|
9105 msg_putchar_attr(*p, echo_attr);
|
|
|
9106 }
|
|
|
9107 else
|
|
|
9108 {
|
|
|
9109 #ifdef FEAT_MBYTE
|
|
|
9110 if (has_mbyte)
|
|
|
9111 {
|
|
|
9112 int i = (*mb_ptr2len_check)(p);
|
|
|
9113
|
|
|
9114 (void)msg_outtrans_len_attr(p, i, echo_attr);
|
|
|
9115 p += i - 1;
|
|
|
9116 }
|
|
|
9117 else
|
|
|
9118 #endif
|
|
|
9119 (void)msg_outtrans_len_attr(p, 1, echo_attr);
|
|
|
9120 }
|
|
|
9121 }
|
|
|
9122 clear_var(&retvar);
|
|
|
9123 arg = skipwhite(arg);
|
|
|
9124 }
|
|
|
9125 eap->nextcmd = check_nextcmd(arg);
|
|
|
9126
|
|
|
9127 if (eap->skip)
|
|
|
9128 --emsg_skip;
|
|
|
9129 else
|
|
|
9130 {
|
|
|
9131 /* remove text that may still be there from the command */
|
|
|
9132 if (needclr)
|
|
|
9133 msg_clr_eos();
|
|
|
9134 if (eap->cmdidx == CMD_echo)
|
|
|
9135 msg_end();
|
|
|
9136 }
|
|
|
9137 }
|
|
|
9138
|
|
|
9139 /*
|
|
|
9140 * ":echohl {name}".
|
|
|
9141 */
|
|
|
9142 void
|
|
|
9143 ex_echohl(eap)
|
|
|
9144 exarg_T *eap;
|
|
|
9145 {
|
|
|
9146 int id;
|
|
|
9147
|
|
|
9148 id = syn_name2id(eap->arg);
|
|
|
9149 if (id == 0)
|
|
|
9150 echo_attr = 0;
|
|
|
9151 else
|
|
|
9152 echo_attr = syn_id2attr(id);
|
|
|
9153 }
|
|
|
9154
|
|
|
9155 /*
|
|
|
9156 * ":execute expr1 ..." execute the result of an expression.
|
|
|
9157 * ":echomsg expr1 ..." Print a message
|
|
|
9158 * ":echoerr expr1 ..." Print an error
|
|
|
9159 * Each gets spaces around each argument and a newline at the end for
|
|
|
9160 * echo commands
|
|
|
9161 */
|
|
|
9162 void
|
|
|
9163 ex_execute(eap)
|
|
|
9164 exarg_T *eap;
|
|
|
9165 {
|
|
|
9166 char_u *arg = eap->arg;
|
|
|
9167 var retvar;
|
|
|
9168 int ret = OK;
|
|
|
9169 char_u *p;
|
|
|
9170 garray_T ga;
|
|
|
9171 int len;
|
|
|
9172 int save_did_emsg;
|
|
|
9173
|
|
|
9174 ga_init2(&ga, 1, 80);
|
|
|
9175
|
|
|
9176 if (eap->skip)
|
|
|
9177 ++emsg_skip;
|
|
|
9178 while (*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
9179 {
|
|
|
9180 p = arg;
|
|
|
9181 if (eval1(&arg, &retvar, !eap->skip) == FAIL)
|
|
|
9182 {
|
|
|
9183 /*
|
|
|
9184 * Report the invalid expression unless the expression evaluation
|
|
|
9185 * has been cancelled due to an aborting error, an interrupt, or an
|
|
|
9186 * exception.
|
|
|
9187 */
|
|
|
9188 if (!aborting())
|
|
|
9189 EMSG2(_(e_invexpr2), p);
|
|
|
9190 ret = FAIL;
|
|
|
9191 break;
|
|
|
9192 }
|
|
|
9193
|
|
|
9194 if (!eap->skip)
|
|
|
9195 {
|
|
|
9196 p = get_var_string(&retvar);
|
|
|
9197 len = (int)STRLEN(p);
|
|
|
9198 if (ga_grow(&ga, len + 2) == FAIL)
|
|
|
9199 {
|
|
|
9200 clear_var(&retvar);
|
|
|
9201 ret = FAIL;
|
|
|
9202 break;
|
|
|
9203 }
|
|
|
9204 if (ga.ga_len)
|
|
|
9205 {
|
|
|
9206 ((char_u *)(ga.ga_data))[ga.ga_len++] = ' ';
|
|
|
9207 --ga.ga_room;
|
|
|
9208 }
|
|
|
9209 STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p);
|
|
|
9210 ga.ga_room -= len;
|
|
|
9211 ga.ga_len += len;
|
|
|
9212 }
|
|
|
9213
|
|
|
9214 clear_var(&retvar);
|
|
|
9215 arg = skipwhite(arg);
|
|
|
9216 }
|
|
|
9217
|
|
|
9218 if (ret != FAIL && ga.ga_data != NULL)
|
|
|
9219 {
|
|
|
9220 if (eap->cmdidx == CMD_echomsg)
|
|
|
9221 MSG_ATTR(ga.ga_data, echo_attr);
|
|
|
9222 else if (eap->cmdidx == CMD_echoerr)
|
|
|
9223 {
|
|
|
9224 /* We don't want to abort following commands, restore did_emsg. */
|
|
|
9225 save_did_emsg = did_emsg;
|
|
|
9226 EMSG((char_u *)ga.ga_data);
|
|
|
9227 if (!force_abort)
|
|
|
9228 did_emsg = save_did_emsg;
|
|
|
9229 }
|
|
|
9230 else if (eap->cmdidx == CMD_execute)
|
|
|
9231 do_cmdline((char_u *)ga.ga_data,
|
|
|
9232 eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE);
|
|
|
9233 }
|
|
|
9234
|
|
|
9235 ga_clear(&ga);
|
|
|
9236
|
|
|
9237 if (eap->skip)
|
|
|
9238 --emsg_skip;
|
|
|
9239
|
|
|
9240 eap->nextcmd = check_nextcmd(arg);
|
|
|
9241 }
|
|
|
9242
|
|
|
9243 /*
|
|
|
9244 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
|
|
|
9245 * "arg" points to the "&" or '+' when called, to "option" when returning.
|
|
|
9246 * Returns NULL when no option name found. Otherwise pointer to the char
|
|
|
9247 * after the option name.
|
|
|
9248 */
|
|
|
9249 static char_u *
|
|
|
9250 find_option_end(arg, opt_flags)
|
|
|
9251 char_u **arg;
|
|
|
9252 int *opt_flags;
|
|
|
9253 {
|
|
|
9254 char_u *p = *arg;
|
|
|
9255
|
|
|
9256 ++p;
|
|
|
9257 if (*p == 'g' && p[1] == ':')
|
|
|
9258 {
|
|
|
9259 *opt_flags = OPT_GLOBAL;
|
|
|
9260 p += 2;
|
|
|
9261 }
|
|
|
9262 else if (*p == 'l' && p[1] == ':')
|
|
|
9263 {
|
|
|
9264 *opt_flags = OPT_LOCAL;
|
|
|
9265 p += 2;
|
|
|
9266 }
|
|
|
9267 else
|
|
|
9268 *opt_flags = 0;
|
|
|
9269
|
|
|
9270 if (!ASCII_ISALPHA(*p))
|
|
|
9271 return NULL;
|
|
|
9272 *arg = p;
|
|
|
9273
|
|
|
9274 if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL)
|
|
|
9275 p += 4; /* termcap option */
|
|
|
9276 else
|
|
|
9277 while (ASCII_ISALPHA(*p))
|
|
|
9278 ++p;
|
|
|
9279 return p;
|
|
|
9280 }
|
|
|
9281
|
|
|
9282 /*
|
|
|
9283 * ":function"
|
|
|
9284 */
|
|
|
9285 void
|
|
|
9286 ex_function(eap)
|
|
|
9287 exarg_T *eap;
|
|
|
9288 {
|
|
|
9289 char_u *theline;
|
|
|
9290 int j;
|
|
|
9291 int c;
|
|
|
9292 #ifdef FEAT_MAGIC_BRACES
|
|
|
9293 int saved_did_emsg;
|
|
|
9294 #endif
|
|
|
9295 char_u *name = NULL;
|
|
|
9296 char_u *p;
|
|
|
9297 char_u *arg;
|
|
|
9298 garray_T newargs;
|
|
|
9299 garray_T newlines;
|
|
|
9300 int varargs = FALSE;
|
|
|
9301 int mustend = FALSE;
|
|
|
9302 int flags = 0;
|
|
|
9303 ufunc_T *fp;
|
|
|
9304 int indent;
|
|
|
9305 int nesting;
|
|
|
9306 char_u *skip_until = NULL;
|
|
|
9307 static char_u e_funcexts[] = N_("E122: Function %s already exists, add ! to replace it");
|
|
|
9308
|
|
|
9309 /*
|
|
|
9310 * ":function" without argument: list functions.
|
|
|
9311 */
|
|
|
9312 if (ends_excmd(*eap->arg))
|
|
|
9313 {
|
|
|
9314 if (!eap->skip)
|
|
|
9315 for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next)
|
|
|
9316 list_func_head(fp, FALSE);
|
|
|
9317 eap->nextcmd = check_nextcmd(eap->arg);
|
|
|
9318 return;
|
|
|
9319 }
|
|
|
9320
|
|
|
9321 p = eap->arg;
|
|
|
9322 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9323 if (name == NULL && !eap->skip)
|
|
|
9324 {
|
|
|
9325 /*
|
|
|
9326 * Return on an invalid expression in braces, unless the expression
|
|
|
9327 * evaluation has been cancelled due to an aborting error, an
|
|
|
9328 * interrupt, or an exception.
|
|
|
9329 */
|
|
|
9330 if (!aborting())
|
|
|
9331 return;
|
|
|
9332 else
|
|
|
9333 eap->skip = TRUE;
|
|
|
9334 }
|
|
|
9335 #ifdef FEAT_MAGIC_BRACES
|
|
|
9336 /* An error in a function call during evaluation of an expression in magic
|
|
|
9337 * braces should not cause the function not to be defined. */
|
|
|
9338 saved_did_emsg = did_emsg;
|
|
|
9339 did_emsg = FALSE;
|
|
|
9340 #endif
|
|
|
9341
|
|
|
9342 /*
|
|
|
9343 * ":function func" with only function name: list function.
|
|
|
9344 */
|
|
|
9345 if (vim_strchr(p, '(') == NULL)
|
|
|
9346 {
|
|
|
9347 if (!ends_excmd(*skipwhite(p)))
|
|
|
9348 {
|
|
|
9349 EMSG(_(e_trailing));
|
|
|
9350 goto erret_name;
|
|
|
9351 }
|
|
|
9352 eap->nextcmd = check_nextcmd(p);
|
|
|
9353 if (eap->nextcmd != NULL)
|
|
|
9354 *p = NUL;
|
|
|
9355 if (!eap->skip && !got_int)
|
|
|
9356 {
|
|
|
9357 fp = find_func(name);
|
|
|
9358 if (fp != NULL)
|
|
|
9359 {
|
|
|
9360 list_func_head(fp, TRUE);
|
|
|
9361 for (j = 0; j < fp->lines.ga_len && !got_int; ++j)
|
|
|
9362 {
|
|
|
9363 msg_putchar('\n');
|
|
|
9364 msg_outnum((long)(j + 1));
|
|
|
9365 if (j < 9)
|
|
|
9366 msg_putchar(' ');
|
|
|
9367 if (j < 99)
|
|
|
9368 msg_putchar(' ');
|
|
|
9369 msg_prt_line(FUNCLINE(fp, j));
|
|
|
9370 out_flush(); /* show a line at a time */
|
|
|
9371 ui_breakcheck();
|
|
|
9372 }
|
|
|
9373 if (!got_int)
|
|
|
9374 {
|
|
|
9375 msg_putchar('\n');
|
|
|
9376 msg_puts((char_u *)" endfunction");
|
|
|
9377 }
|
|
|
9378 }
|
|
|
9379 else
|
|
|
9380 EMSG2(_("E123: Undefined function: %s"), eap->arg);
|
|
|
9381 }
|
|
|
9382 goto erret_name;
|
|
|
9383 }
|
|
|
9384
|
|
|
9385 /*
|
|
|
9386 * ":function name(arg1, arg2)" Define function.
|
|
|
9387 */
|
|
|
9388 p = skipwhite(p);
|
|
|
9389 if (*p != '(')
|
|
|
9390 {
|
|
|
9391 if (!eap->skip)
|
|
|
9392 {
|
|
|
9393 EMSG2(_("E124: Missing '(': %s"), eap->arg);
|
|
|
9394 goto erret_name;
|
|
|
9395 }
|
|
|
9396 /* attempt to continue by skipping some text */
|
|
|
9397 if (vim_strchr(p, '(') != NULL)
|
|
|
9398 p = vim_strchr(p, '(');
|
|
|
9399 }
|
|
|
9400 p = skipwhite(p + 1);
|
|
|
9401
|
|
|
9402 ga_init2(&newargs, (int)sizeof(char_u *), 3);
|
|
|
9403 ga_init2(&newlines, (int)sizeof(char_u *), 3);
|
|
|
9404
|
|
|
9405 /*
|
|
|
9406 * Isolate the arguments: "arg1, arg2, ...)"
|
|
|
9407 */
|
|
|
9408 while (*p != ')')
|
|
|
9409 {
|
|
|
9410 if (p[0] == '.' && p[1] == '.' && p[2] == '.')
|
|
|
9411 {
|
|
|
9412 varargs = TRUE;
|
|
|
9413 p += 3;
|
|
|
9414 mustend = TRUE;
|
|
|
9415 }
|
|
|
9416 else
|
|
|
9417 {
|
|
|
9418 arg = p;
|
|
|
9419 while (ASCII_ISALNUM(*p) || *p == '_')
|
|
|
9420 ++p;
|
|
|
9421 if (arg == p || isdigit(*arg)
|
|
|
9422 || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0)
|
|
|
9423 || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0))
|
|
|
9424 {
|
|
|
9425 if (!eap->skip)
|
|
|
9426 EMSG2(_("E125: Illegal argument: %s"), arg);
|
|
|
9427 break;
|
|
|
9428 }
|
|
|
9429 if (ga_grow(&newargs, 1) == FAIL)
|
|
|
9430 goto erret;
|
|
|
9431 c = *p;
|
|
|
9432 *p = NUL;
|
|
|
9433 arg = vim_strsave(arg);
|
|
|
9434 if (arg == NULL)
|
|
|
9435 goto erret;
|
|
|
9436 ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg;
|
|
|
9437 *p = c;
|
|
|
9438 newargs.ga_len++;
|
|
|
9439 newargs.ga_room--;
|
|
|
9440 if (*p == ',')
|
|
|
9441 ++p;
|
|
|
9442 else
|
|
|
9443 mustend = TRUE;
|
|
|
9444 }
|
|
|
9445 p = skipwhite(p);
|
|
|
9446 if (mustend && *p != ')')
|
|
|
9447 {
|
|
|
9448 if (!eap->skip)
|
|
|
9449 EMSG2(_(e_invarg2), eap->arg);
|
|
|
9450 break;
|
|
|
9451 }
|
|
|
9452 }
|
|
|
9453 ++p; /* skip the ')' */
|
|
|
9454
|
|
|
9455 /* find extra arguments "range" and "abort" */
|
|
|
9456 for (;;)
|
|
|
9457 {
|
|
|
9458 p = skipwhite(p);
|
|
|
9459 if (STRNCMP(p, "range", 5) == 0)
|
|
|
9460 {
|
|
|
9461 flags |= FC_RANGE;
|
|
|
9462 p += 5;
|
|
|
9463 }
|
|
|
9464 else if (STRNCMP(p, "abort", 5) == 0)
|
|
|
9465 {
|
|
|
9466 flags |= FC_ABORT;
|
|
|
9467 p += 5;
|
|
|
9468 }
|
|
|
9469 else
|
|
|
9470 break;
|
|
|
9471 }
|
|
|
9472
|
|
|
9473 if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg)
|
|
|
9474 EMSG(_(e_trailing));
|
|
|
9475
|
|
|
9476 /*
|
|
|
9477 * Read the body of the function, until ":endfunction" is found.
|
|
|
9478 */
|
|
|
9479 if (KeyTyped)
|
|
|
9480 {
|
|
|
9481 /* Check if the function already exists, don't let the user type the
|
|
|
9482 * whole function before telling him it doesn't work! For a script we
|
|
|
9483 * need to skip the body to be able to find what follows. */
|
|
|
9484 if (!eap->skip && !eap->forceit && find_func(name) != NULL)
|
|
|
9485 EMSG2(_(e_funcexts), name);
|
|
|
9486
|
|
|
9487 msg_putchar('\n'); /* don't overwrite the function name */
|
|
|
9488 cmdline_row = msg_row;
|
|
|
9489 }
|
|
|
9490
|
|
|
9491 indent = 2;
|
|
|
9492 nesting = 0;
|
|
|
9493 for (;;)
|
|
|
9494 {
|
|
|
9495 msg_scroll = TRUE;
|
|
|
9496 need_wait_return = FALSE;
|
|
|
9497 if (eap->getline == NULL)
|
|
|
9498 theline = getcmdline(':', 0L, indent);
|
|
|
9499 else
|
|
|
9500 theline = eap->getline(':', eap->cookie, indent);
|
|
|
9501 if (KeyTyped)
|
|
|
9502 lines_left = Rows - 1;
|
|
|
9503 if (theline == NULL)
|
|
|
9504 {
|
|
|
9505 EMSG(_("E126: Missing :endfunction"));
|
|
|
9506 goto erret;
|
|
|
9507 }
|
|
|
9508
|
|
|
9509 if (skip_until != NULL)
|
|
|
9510 {
|
|
|
9511 /* between ":append" and "." and between ":python <<EOF" and "EOF"
|
|
|
9512 * don't check for ":endfunc". */
|
|
|
9513 if (STRCMP(theline, skip_until) == 0)
|
|
|
9514 {
|
|
|
9515 vim_free(skip_until);
|
|
|
9516 skip_until = NULL;
|
|
|
9517 }
|
|
|
9518 }
|
|
|
9519 else
|
|
|
9520 {
|
|
|
9521 /* skip ':' and blanks*/
|
|
|
9522 for (p = theline; vim_iswhite(*p) || *p == ':'; ++p)
|
|
|
9523 ;
|
|
|
9524
|
|
|
9525 /* Check for "endfunction" (should be more strict...). */
|
|
|
9526 if (STRNCMP(p, "endf", 4) == 0 && nesting-- == 0)
|
|
|
9527 {
|
|
|
9528 vim_free(theline);
|
|
|
9529 break;
|
|
|
9530 }
|
|
|
9531
|
|
|
9532 /* Increase indent inside "if", "while", and "try", decrease
|
|
|
9533 * at "end". */
|
|
|
9534 if (indent > 2 && STRNCMP(p, "end", 3) == 0)
|
|
|
9535 indent -= 2;
|
|
|
9536 else if (STRNCMP(p, "if", 2) == 0 || STRNCMP(p, "wh", 2) == 0
|
|
|
9537 || STRNCMP(p, "try", 3) == 0)
|
|
|
9538 indent += 2;
|
|
|
9539
|
|
|
9540 /* Check for defining a function inside this function. */
|
|
|
9541 if (STRNCMP(p, "fu", 2) == 0)
|
|
|
9542 {
|
|
|
9543 p = skipwhite(skiptowhite(p));
|
|
|
9544 p += eval_fname_script(p);
|
|
|
9545 if (ASCII_ISALPHA(*p))
|
|
|
9546 {
|
|
|
9547 vim_free(trans_function_name(&p, TRUE, FALSE));
|
|
|
9548 if (*skipwhite(p) == '(')
|
|
|
9549 {
|
|
|
9550 ++nesting;
|
|
|
9551 indent += 2;
|
|
|
9552 }
|
|
|
9553 }
|
|
|
9554 }
|
|
|
9555
|
|
|
9556 /* Check for ":append" or ":insert". */
|
|
|
9557 p = skip_range(p, NULL);
|
|
|
9558 if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p'))
|
|
|
9559 || (p[0] == 'i'
|
|
|
9560 && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n'
|
|
|
9561 && (!ASCII_ISALPHA(p[2]) || (p[2] == 's'))))))
|
|
|
9562 skip_until = vim_strsave((char_u *)".");
|
|
|
9563
|
|
|
9564 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
|
|
|
9565 arg = skipwhite(skiptowhite(p));
|
|
|
9566 if (arg[0] == '<' && arg[1] =='<'
|
|
|
9567 && ((p[0] == 'p' && p[1] == 'y'
|
|
|
9568 && (!ASCII_ISALPHA(p[2]) || p[2] == 't'))
|
|
|
9569 || (p[0] == 'p' && p[1] == 'e'
|
|
|
9570 && (!ASCII_ISALPHA(p[2]) || p[2] == 'r'))
|
|
|
9571 || (p[0] == 't' && p[1] == 'c'
|
|
|
9572 && (!ASCII_ISALPHA(p[2]) || p[2] == 'l'))
|
|
|
9573 || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b'
|
|
|
9574 && (!ASCII_ISALPHA(p[3]) || p[3] == 'y'))
|
|
14
|
9575 || (p[0] == 'm' && p[1] == 'z'
|
|
|
9576 && (!ASCII_ISALPHA(p[2]) || p[2] == 's'))
|
|
7
|
9577 ))
|
|
|
9578 {
|
|
|
9579 /* ":python <<" continues until a dot, like ":append" */
|
|
|
9580 p = skipwhite(arg + 2);
|
|
|
9581 if (*p == NUL)
|
|
|
9582 skip_until = vim_strsave((char_u *)".");
|
|
|
9583 else
|
|
|
9584 skip_until = vim_strsave(p);
|
|
|
9585 }
|
|
|
9586 }
|
|
|
9587
|
|
|
9588 /* Add the line to the function. */
|
|
|
9589 if (ga_grow(&newlines, 1) == FAIL)
|
|
|
9590 goto erret;
|
|
|
9591 ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline;
|
|
|
9592 newlines.ga_len++;
|
|
|
9593 newlines.ga_room--;
|
|
|
9594 }
|
|
|
9595
|
|
|
9596 /* Don't define the function when skipping commands or when an error was
|
|
|
9597 * detected. */
|
|
|
9598 if (eap->skip || did_emsg)
|
|
|
9599 goto erret;
|
|
|
9600
|
|
|
9601 /*
|
|
|
9602 * If there are no errors, add the function
|
|
|
9603 */
|
|
|
9604 fp = find_func(name);
|
|
|
9605 if (fp != NULL)
|
|
|
9606 {
|
|
|
9607 if (!eap->forceit)
|
|
|
9608 {
|
|
|
9609 EMSG2(_(e_funcexts), name);
|
|
|
9610 goto erret;
|
|
|
9611 }
|
|
|
9612 if (fp->calls)
|
|
|
9613 {
|
|
|
9614 EMSG2(_("E127: Cannot redefine function %s: It is in use"), name);
|
|
|
9615 goto erret;
|
|
|
9616 }
|
|
|
9617 /* redefine existing function */
|
|
|
9618 ga_clear_strings(&(fp->args));
|
|
|
9619 ga_clear_strings(&(fp->lines));
|
|
|
9620 vim_free(name);
|
|
|
9621 }
|
|
|
9622 else
|
|
|
9623 {
|
|
|
9624 fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T));
|
|
|
9625 if (fp == NULL)
|
|
|
9626 goto erret;
|
|
|
9627 /* insert the new function in the function list */
|
|
|
9628 fp->next = firstfunc;
|
|
|
9629 firstfunc = fp;
|
|
|
9630 fp->name = name;
|
|
|
9631 }
|
|
|
9632 fp->args = newargs;
|
|
|
9633 fp->lines = newlines;
|
|
|
9634 fp->varargs = varargs;
|
|
|
9635 fp->flags = flags;
|
|
|
9636 fp->calls = 0;
|
|
|
9637 fp->script_ID = current_SID;
|
|
|
9638 #ifdef FEAT_MAGIC_BRACES
|
|
|
9639 did_emsg |= saved_did_emsg;
|
|
|
9640 #endif
|
|
|
9641 vim_free(skip_until);
|
|
|
9642 return;
|
|
|
9643
|
|
|
9644 erret:
|
|
|
9645 vim_free(skip_until);
|
|
|
9646 ga_clear_strings(&newargs);
|
|
|
9647 ga_clear_strings(&newlines);
|
|
|
9648 erret_name:
|
|
|
9649 vim_free(name);
|
|
|
9650 #ifdef FEAT_MAGIC_BRACES
|
|
|
9651 did_emsg |= saved_did_emsg;
|
|
|
9652 #endif
|
|
|
9653 }
|
|
|
9654
|
|
|
9655 /*
|
|
|
9656 * Get a function name, translating "<SID>" and "<SNR>".
|
|
|
9657 * Returns the function name in allocated memory, or NULL for failure.
|
|
|
9658 * Advances "pp" to just after the function name (if no error).
|
|
|
9659 */
|
|
|
9660 static char_u *
|
|
|
9661 trans_function_name(pp, skip, internal)
|
|
|
9662 char_u **pp;
|
|
|
9663 int skip; /* only find the end, don't evaluate */
|
|
|
9664 int internal; /* TRUE if internal function name OK */
|
|
|
9665 {
|
|
|
9666 char_u *name;
|
|
|
9667 char_u *start;
|
|
|
9668 char_u *end;
|
|
|
9669 int lead;
|
|
|
9670 char_u sid_buf[20];
|
|
|
9671 char_u *temp_string = NULL;
|
|
|
9672 char_u *expr_start, *expr_end;
|
|
|
9673 int len;
|
|
|
9674
|
|
|
9675 /* A name starting with "<SID>" or "<SNR>" is local to a script. */
|
|
|
9676 start = *pp;
|
|
|
9677 lead = eval_fname_script(start);
|
|
|
9678 if (lead > 0)
|
|
|
9679 start += lead;
|
|
|
9680 end = find_name_end(start, &expr_start, &expr_end);
|
|
|
9681 if (end == start)
|
|
|
9682 {
|
|
|
9683 if (!skip)
|
|
|
9684 EMSG(_("E129: Function name required"));
|
|
|
9685 return NULL;
|
|
|
9686 }
|
|
|
9687 #ifdef FEAT_MAGIC_BRACES
|
|
|
9688 if (expr_start != NULL && !skip)
|
|
|
9689 {
|
|
|
9690 /* expand magic curlies */
|
|
|
9691 temp_string = make_expanded_name(start, expr_start, expr_end, end);
|
|
|
9692 if (temp_string == NULL)
|
|
|
9693 {
|
|
|
9694 /*
|
|
|
9695 * Report an invalid expression in braces, unless the expression
|
|
|
9696 * evaluation has been cancelled due to an aborting error, an
|
|
|
9697 * interrupt, or an exception.
|
|
|
9698 */
|
|
|
9699 if (!aborting())
|
|
|
9700 EMSG2(_(e_invarg2), start);
|
|
|
9701 else
|
|
|
9702 *pp = end;
|
|
|
9703 return NULL;
|
|
|
9704 }
|
|
|
9705 start = temp_string;
|
|
|
9706 len = (int)STRLEN(temp_string);
|
|
|
9707 }
|
|
|
9708 else
|
|
|
9709 #endif
|
|
|
9710 len = (int)(end - start);
|
|
|
9711
|
|
|
9712 /*
|
|
|
9713 * Copy the function name to allocated memory.
|
|
|
9714 * Accept <SID>name() inside a script, translate into <SNR>123_name().
|
|
|
9715 * Accept <SNR>123_name() outside a script.
|
|
|
9716 */
|
|
|
9717 if (skip)
|
|
|
9718 lead = 0; /* do nothing */
|
|
|
9719 else if (lead > 0)
|
|
|
9720 {
|
|
|
9721 lead = 3;
|
|
|
9722 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9723 {
|
|
|
9724 if (current_SID <= 0)
|
|
|
9725 {
|
|
|
9726 EMSG(_(e_usingsid));
|
|
|
9727 return NULL;
|
|
|
9728 }
|
|
|
9729 sprintf((char *)sid_buf, "%ld_", (long)current_SID);
|
|
|
9730 lead += (int)STRLEN(sid_buf);
|
|
|
9731 }
|
|
|
9732 }
|
|
|
9733 else if (!internal && !ASCII_ISUPPER(*start))
|
|
|
9734 {
|
|
|
9735 EMSG2(_("E128: Function name must start with a capital: %s"), start);
|
|
|
9736 return NULL;
|
|
|
9737 }
|
|
|
9738 name = alloc((unsigned)(len + lead + 1));
|
|
|
9739 if (name != NULL)
|
|
|
9740 {
|
|
|
9741 if (lead > 0)
|
|
|
9742 {
|
|
|
9743 name[0] = K_SPECIAL;
|
|
|
9744 name[1] = KS_EXTRA;
|
|
|
9745 name[2] = (int)KE_SNR;
|
|
|
9746 if (eval_fname_sid(*pp)) /* If it's "<SID>" */
|
|
|
9747 STRCPY(name + 3, sid_buf);
|
|
|
9748 }
|
|
|
9749 mch_memmove(name + lead, start, (size_t)len);
|
|
|
9750 name[len + lead] = NUL;
|
|
|
9751 }
|
|
|
9752 *pp = end;
|
|
|
9753
|
|
|
9754 vim_free(temp_string);
|
|
|
9755 return name;
|
|
|
9756 }
|
|
|
9757
|
|
|
9758 /*
|
|
|
9759 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
|
|
|
9760 * Return 2 if "p" starts with "s:".
|
|
|
9761 * Return 0 otherwise.
|
|
|
9762 */
|
|
|
9763 static int
|
|
|
9764 eval_fname_script(p)
|
|
|
9765 char_u *p;
|
|
|
9766 {
|
|
|
9767 if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0
|
|
|
9768 || STRNICMP(p + 1, "SNR>", 4) == 0))
|
|
|
9769 return 5;
|
|
|
9770 if (p[0] == 's' && p[1] == ':')
|
|
|
9771 return 2;
|
|
|
9772 return 0;
|
|
|
9773 }
|
|
|
9774
|
|
|
9775 /*
|
|
|
9776 * Return TRUE if "p" starts with "<SID>" or "s:".
|
|
|
9777 * Only works if eval_fname_script() returned non-zero for "p"!
|
|
|
9778 */
|
|
|
9779 static int
|
|
|
9780 eval_fname_sid(p)
|
|
|
9781 char_u *p;
|
|
|
9782 {
|
|
|
9783 return (*p == 's' || TOUPPER_ASC(p[2]) == 'I');
|
|
|
9784 }
|
|
|
9785
|
|
|
9786 /*
|
|
|
9787 * List the head of the function: "name(arg1, arg2)".
|
|
|
9788 */
|
|
|
9789 static void
|
|
|
9790 list_func_head(fp, indent)
|
|
|
9791 ufunc_T *fp;
|
|
|
9792 int indent;
|
|
|
9793 {
|
|
|
9794 int j;
|
|
|
9795
|
|
|
9796 msg_start();
|
|
|
9797 if (indent)
|
|
|
9798 MSG_PUTS(" ");
|
|
|
9799 MSG_PUTS("function ");
|
|
|
9800 if (fp->name[0] == K_SPECIAL)
|
|
|
9801 {
|
|
|
9802 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8));
|
|
|
9803 msg_puts(fp->name + 3);
|
|
|
9804 }
|
|
|
9805 else
|
|
|
9806 msg_puts(fp->name);
|
|
|
9807 msg_putchar('(');
|
|
|
9808 for (j = 0; j < fp->args.ga_len; ++j)
|
|
|
9809 {
|
|
|
9810 if (j)
|
|
|
9811 MSG_PUTS(", ");
|
|
|
9812 msg_puts(FUNCARG(fp, j));
|
|
|
9813 }
|
|
|
9814 if (fp->varargs)
|
|
|
9815 {
|
|
|
9816 if (j)
|
|
|
9817 MSG_PUTS(", ");
|
|
|
9818 MSG_PUTS("...");
|
|
|
9819 }
|
|
|
9820 msg_putchar(')');
|
|
|
9821 }
|
|
|
9822
|
|
|
9823 /*
|
|
|
9824 * Find a function by name, return pointer to it in ufuncs.
|
|
|
9825 * Return NULL for unknown function.
|
|
|
9826 */
|
|
|
9827 static ufunc_T *
|
|
|
9828 find_func(name)
|
|
|
9829 char_u *name;
|
|
|
9830 {
|
|
|
9831 ufunc_T *fp;
|
|
|
9832
|
|
|
9833 for (fp = firstfunc; fp != NULL; fp = fp->next)
|
|
|
9834 if (STRCMP(name, fp->name) == 0)
|
|
|
9835 break;
|
|
|
9836 return fp;
|
|
|
9837 }
|
|
|
9838
|
|
|
9839 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
9840
|
|
|
9841 /*
|
|
|
9842 * Function given to ExpandGeneric() to obtain the list of user defined
|
|
|
9843 * function names.
|
|
|
9844 */
|
|
|
9845 char_u *
|
|
|
9846 get_user_func_name(xp, idx)
|
|
|
9847 expand_T *xp;
|
|
|
9848 int idx;
|
|
|
9849 {
|
|
|
9850 static ufunc_T *fp = NULL;
|
|
|
9851
|
|
|
9852 if (idx == 0)
|
|
|
9853 fp = firstfunc;
|
|
|
9854 if (fp != NULL)
|
|
|
9855 {
|
|
|
9856 if (STRLEN(fp->name) + 4 >= IOSIZE)
|
|
|
9857 return fp->name; /* prevents overflow */
|
|
|
9858
|
|
|
9859 cat_func_name(IObuff, fp);
|
|
|
9860 if (xp->xp_context != EXPAND_USER_FUNC)
|
|
|
9861 {
|
|
|
9862 STRCAT(IObuff, "(");
|
|
|
9863 if (!fp->varargs && fp->args.ga_len == 0)
|
|
|
9864 STRCAT(IObuff, ")");
|
|
|
9865 }
|
|
|
9866
|
|
|
9867 fp = fp->next;
|
|
|
9868 return IObuff;
|
|
|
9869 }
|
|
|
9870 return NULL;
|
|
|
9871 }
|
|
|
9872
|
|
|
9873 #endif /* FEAT_CMDL_COMPL */
|
|
|
9874
|
|
|
9875 /*
|
|
|
9876 * Copy the function name of "fp" to buffer "buf".
|
|
|
9877 * "buf" must be able to hold the function name plus three bytes.
|
|
|
9878 * Takes care of script-local function names.
|
|
|
9879 */
|
|
|
9880 static void
|
|
|
9881 cat_func_name(buf, fp)
|
|
|
9882 char_u *buf;
|
|
|
9883 ufunc_T *fp;
|
|
|
9884 {
|
|
|
9885 if (fp->name[0] == K_SPECIAL)
|
|
|
9886 {
|
|
|
9887 STRCPY(buf, "<SNR>");
|
|
|
9888 STRCAT(buf, fp->name + 3);
|
|
|
9889 }
|
|
|
9890 else
|
|
|
9891 STRCPY(buf, fp->name);
|
|
|
9892 }
|
|
|
9893
|
|
|
9894 /*
|
|
|
9895 * ":delfunction {name}"
|
|
|
9896 */
|
|
|
9897 void
|
|
|
9898 ex_delfunction(eap)
|
|
|
9899 exarg_T *eap;
|
|
|
9900 {
|
|
|
9901 ufunc_T *fp = NULL, *pfp;
|
|
|
9902 char_u *p;
|
|
|
9903 char_u *name;
|
|
|
9904
|
|
|
9905 p = eap->arg;
|
|
|
9906 name = trans_function_name(&p, eap->skip, FALSE);
|
|
|
9907 if (name == NULL)
|
|
|
9908 return;
|
|
|
9909 if (!ends_excmd(*skipwhite(p)))
|
|
|
9910 {
|
|
|
9911 vim_free(name);
|
|
|
9912 EMSG(_(e_trailing));
|
|
|
9913 return;
|
|
|
9914 }
|
|
|
9915 eap->nextcmd = check_nextcmd(p);
|
|
|
9916 if (eap->nextcmd != NULL)
|
|
|
9917 *p = NUL;
|
|
|
9918
|
|
|
9919 if (!eap->skip)
|
|
|
9920 fp = find_func(name);
|
|
|
9921 vim_free(name);
|
|
|
9922
|
|
|
9923 if (!eap->skip)
|
|
|
9924 {
|
|
|
9925 if (fp == NULL)
|
|
|
9926 {
|
|
|
9927 EMSG2(_("E130: Undefined function: %s"), eap->arg);
|
|
|
9928 return;
|
|
|
9929 }
|
|
|
9930 if (fp->calls)
|
|
|
9931 {
|
|
|
9932 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg);
|
|
|
9933 return;
|
|
|
9934 }
|
|
|
9935
|
|
|
9936 /* clear this function */
|
|
|
9937 vim_free(fp->name);
|
|
|
9938 ga_clear_strings(&(fp->args));
|
|
|
9939 ga_clear_strings(&(fp->lines));
|
|
|
9940
|
|
|
9941 /* remove the function from the function list */
|
|
|
9942 if (firstfunc == fp)
|
|
|
9943 firstfunc = fp->next;
|
|
|
9944 else
|
|
|
9945 {
|
|
|
9946 for (pfp = firstfunc; pfp != NULL; pfp = pfp->next)
|
|
|
9947 if (pfp->next == fp)
|
|
|
9948 {
|
|
|
9949 pfp->next = fp->next;
|
|
|
9950 break;
|
|
|
9951 }
|
|
|
9952 }
|
|
|
9953 vim_free(fp);
|
|
|
9954 }
|
|
|
9955 }
|
|
|
9956
|
|
|
9957 /*
|
|
|
9958 * Call a user function.
|
|
|
9959 */
|
|
|
9960 static void
|
|
|
9961 call_user_func(fp, argcount, argvars, retvar, firstline, lastline)
|
|
|
9962 ufunc_T *fp; /* pointer to function */
|
|
|
9963 int argcount; /* nr of args */
|
|
|
9964 VAR argvars; /* arguments */
|
|
|
9965 VAR retvar; /* return value */
|
|
|
9966 linenr_T firstline; /* first line of range */
|
|
|
9967 linenr_T lastline; /* last line of range */
|
|
|
9968 {
|
|
|
9969 char_u *save_sourcing_name;
|
|
|
9970 linenr_T save_sourcing_lnum;
|
|
|
9971 scid_T save_current_SID;
|
|
|
9972 struct funccall fc;
|
|
|
9973 struct funccall *save_fcp = current_funccal;
|
|
|
9974 int save_did_emsg;
|
|
|
9975 static int depth = 0;
|
|
|
9976
|
|
|
9977 /* If depth of calling is getting too high, don't execute the function */
|
|
|
9978 if (depth >= p_mfd)
|
|
|
9979 {
|
|
|
9980 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
|
|
|
9981 retvar->var_type = VAR_NUMBER;
|
|
|
9982 retvar->var_val.var_number = -1;
|
|
|
9983 return;
|
|
|
9984 }
|
|
|
9985 ++depth;
|
|
|
9986
|
|
|
9987 line_breakcheck(); /* check for CTRL-C hit */
|
|
|
9988
|
|
|
9989 /* set local variables */
|
|
|
9990 var_init(&fc.l_vars);
|
|
|
9991 fc.func = fp;
|
|
|
9992 fc.argcount = argcount;
|
|
|
9993 fc.argvars = argvars;
|
|
|
9994 fc.retvar = retvar;
|
|
|
9995 retvar->var_val.var_number = 0;
|
|
|
9996 fc.linenr = 0;
|
|
|
9997 fc.returned = FALSE;
|
|
|
9998 fc.level = ex_nesting_level;
|
|
|
9999 fc.a0_var.var_type = VAR_NUMBER;
|
|
|
10000 fc.a0_var.var_val.var_number = argcount - fp->args.ga_len;
|
|
|
10001 fc.a0_var.var_name = NULL;
|
|
|
10002 current_funccal = &fc;
|
|
|
10003 fc.firstline.var_type = VAR_NUMBER;
|
|
|
10004 fc.firstline.var_val.var_number = firstline;
|
|
|
10005 fc.firstline.var_name = NULL;
|
|
|
10006 fc.lastline.var_type = VAR_NUMBER;
|
|
|
10007 fc.lastline.var_val.var_number = lastline;
|
|
|
10008 fc.lastline.var_name = NULL;
|
|
|
10009 /* Check if this function has a breakpoint. */
|
|
|
10010 fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0);
|
|
|
10011 fc.dbg_tick = debug_tick;
|
|
|
10012
|
|
|
10013 /* Don't redraw while executing the function. */
|
|
|
10014 ++RedrawingDisabled;
|
|
|
10015 save_sourcing_name = sourcing_name;
|
|
|
10016 save_sourcing_lnum = sourcing_lnum;
|
|
|
10017 sourcing_lnum = 1;
|
|
|
10018 sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0
|
|
|
10019 : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13));
|
|
|
10020 if (sourcing_name != NULL)
|
|
|
10021 {
|
|
|
10022 if (save_sourcing_name != NULL
|
|
|
10023 && STRNCMP(save_sourcing_name, "function ", 9) == 0)
|
|
|
10024 sprintf((char *)sourcing_name, "%s..", save_sourcing_name);
|
|
|
10025 else
|
|
|
10026 STRCPY(sourcing_name, "function ");
|
|
|
10027 cat_func_name(sourcing_name + STRLEN(sourcing_name), fp);
|
|
|
10028
|
|
|
10029 if (p_verbose >= 12)
|
|
|
10030 {
|
|
|
10031 ++no_wait_return;
|
|
|
10032 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10033 msg_str((char_u *)_("calling %s"), sourcing_name);
|
|
|
10034 if (p_verbose >= 14)
|
|
|
10035 {
|
|
|
10036 int i;
|
|
|
10037 char_u buf[MSG_BUF_LEN];
|
|
|
10038
|
|
|
10039 msg_puts((char_u *)"(");
|
|
|
10040 for (i = 0; i < argcount; ++i)
|
|
|
10041 {
|
|
|
10042 if (i > 0)
|
|
|
10043 msg_puts((char_u *)", ");
|
|
|
10044 if (argvars[i].var_type == VAR_NUMBER)
|
|
|
10045 msg_outnum((long)argvars[i].var_val.var_number);
|
|
|
10046 else
|
|
|
10047 {
|
|
|
10048 trunc_string(get_var_string(&argvars[i]),
|
|
|
10049 buf, MSG_BUF_LEN);
|
|
|
10050 msg_puts((char_u *)"\"");
|
|
|
10051 msg_puts(buf);
|
|
|
10052 msg_puts((char_u *)"\"");
|
|
|
10053 }
|
|
|
10054 }
|
|
|
10055 msg_puts((char_u *)")");
|
|
|
10056 }
|
|
|
10057 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10058 cmdline_row = msg_row;
|
|
|
10059 --no_wait_return;
|
|
|
10060 }
|
|
|
10061 }
|
|
|
10062 save_current_SID = current_SID;
|
|
|
10063 current_SID = fp->script_ID;
|
|
|
10064 save_did_emsg = did_emsg;
|
|
|
10065 did_emsg = FALSE;
|
|
|
10066
|
|
|
10067 /* call do_cmdline() to execute the lines */
|
|
|
10068 do_cmdline(NULL, get_func_line, (void *)&fc,
|
|
|
10069 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
10070
|
|
|
10071 --RedrawingDisabled;
|
|
|
10072
|
|
|
10073 /* when the function was aborted because of an error, return -1 */
|
|
|
10074 if ((did_emsg && (fp->flags & FC_ABORT)) || retvar->var_type == VAR_UNKNOWN)
|
|
|
10075 {
|
|
|
10076 clear_var(retvar);
|
|
|
10077 retvar->var_type = VAR_NUMBER;
|
|
|
10078 retvar->var_val.var_number = -1;
|
|
|
10079 }
|
|
|
10080
|
|
|
10081 /* when being verbose, mention the return value */
|
|
|
10082 if (p_verbose >= 12)
|
|
|
10083 {
|
|
|
10084 char_u *sn, *val;
|
|
|
10085
|
|
|
10086 ++no_wait_return;
|
|
|
10087 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10088
|
|
|
10089 /* Make sure the output fits in IObuff. */
|
|
|
10090 sn = sourcing_name;
|
|
|
10091 if (STRLEN(sourcing_name) > IOSIZE / 2 - 50)
|
|
|
10092 sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50);
|
|
|
10093
|
|
|
10094 if (aborting())
|
|
|
10095 smsg((char_u *)_("%s aborted"), sn);
|
|
|
10096 else if (fc.retvar->var_type == VAR_NUMBER)
|
|
|
10097 smsg((char_u *)_("%s returning #%ld"), sn,
|
|
|
10098 (long)fc.retvar->var_val.var_number);
|
|
|
10099 else if (fc.retvar->var_type == VAR_STRING)
|
|
|
10100 {
|
|
|
10101 val = get_var_string(fc.retvar);
|
|
|
10102 if (STRLEN(val) > IOSIZE / 2 - 50)
|
|
|
10103 val = val + STRLEN(val) - (IOSIZE / 2 - 50);
|
|
|
10104 smsg((char_u *)_("%s returning \"%s\""), sn, val);
|
|
|
10105 }
|
|
|
10106 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10107 cmdline_row = msg_row;
|
|
|
10108 --no_wait_return;
|
|
|
10109 }
|
|
|
10110
|
|
|
10111 vim_free(sourcing_name);
|
|
|
10112 sourcing_name = save_sourcing_name;
|
|
|
10113 sourcing_lnum = save_sourcing_lnum;
|
|
|
10114 current_SID = save_current_SID;
|
|
|
10115
|
|
|
10116 if (p_verbose >= 12 && sourcing_name != NULL)
|
|
|
10117 {
|
|
|
10118 ++no_wait_return;
|
|
|
10119 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
10120 msg_str((char_u *)_("continuing in %s"), sourcing_name);
|
|
|
10121 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
10122 cmdline_row = msg_row;
|
|
|
10123 --no_wait_return;
|
|
|
10124 }
|
|
|
10125
|
|
|
10126 did_emsg |= save_did_emsg;
|
|
|
10127 current_funccal = save_fcp;
|
|
|
10128
|
|
|
10129 var_clear(&fc.l_vars); /* free all local variables */
|
|
|
10130 --depth;
|
|
|
10131 }
|
|
|
10132
|
|
|
10133 /*
|
|
|
10134 * ":return [expr]"
|
|
|
10135 */
|
|
|
10136 void
|
|
|
10137 ex_return(eap)
|
|
|
10138 exarg_T *eap;
|
|
|
10139 {
|
|
|
10140 char_u *arg = eap->arg;
|
|
|
10141 var retvar;
|
|
|
10142 int returning = FALSE;
|
|
|
10143
|
|
|
10144 if (current_funccal == NULL)
|
|
|
10145 {
|
|
|
10146 EMSG(_("E133: :return not inside a function"));
|
|
|
10147 return;
|
|
|
10148 }
|
|
|
10149
|
|
|
10150 if (eap->skip)
|
|
|
10151 ++emsg_skip;
|
|
|
10152
|
|
|
10153 eap->nextcmd = NULL;
|
|
|
10154 if ((*arg != NUL && *arg != '|' && *arg != '\n')
|
|
|
10155 && eval0(arg, &retvar, &eap->nextcmd, !eap->skip) != FAIL)
|
|
|
10156 {
|
|
|
10157 if (!eap->skip)
|
|
|
10158 returning = do_return(eap, FALSE, TRUE, &retvar);
|
|
|
10159 else
|
|
|
10160 clear_var(&retvar);
|
|
|
10161 }
|
|
|
10162 /* It's safer to return also on error. */
|
|
|
10163 else if (!eap->skip)
|
|
|
10164 {
|
|
|
10165 /*
|
|
|
10166 * Return unless the expression evaluation has been cancelled due to an
|
|
|
10167 * aborting error, an interrupt, or an exception.
|
|
|
10168 */
|
|
|
10169 if (!aborting())
|
|
|
10170 returning = do_return(eap, FALSE, TRUE, NULL);
|
|
|
10171 }
|
|
|
10172
|
|
|
10173 /* When skipping or the return gets pending, advance to the next command
|
|
|
10174 * in this line (!returning). Otherwise, ignore the rest of the line.
|
|
|
10175 * Following lines will be ignored by get_func_line(). */
|
|
|
10176 if (returning)
|
|
|
10177 eap->nextcmd = NULL;
|
|
|
10178 else if (eap->nextcmd == NULL) /* no argument */
|
|
|
10179 eap->nextcmd = check_nextcmd(arg);
|
|
|
10180
|
|
|
10181 if (eap->skip)
|
|
|
10182 --emsg_skip;
|
|
|
10183 }
|
|
|
10184
|
|
|
10185 /*
|
|
|
10186 * Return from a function. Possibly makes the return pending. Also called
|
|
|
10187 * for a pending return at the ":endtry" or after returning from an extra
|
|
|
10188 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
|
|
|
10189 * when called due to a ":return" command. "value" may point to a variable
|
|
|
10190 * with the return value. Returns TRUE when the return can be carried out,
|
|
|
10191 * FALSE when the return gets pending.
|
|
|
10192 */
|
|
|
10193 int
|
|
|
10194 do_return(eap, reanimate, is_cmd, value)
|
|
|
10195 exarg_T *eap;
|
|
|
10196 int reanimate;
|
|
|
10197 int is_cmd;
|
|
|
10198 void *value;
|
|
|
10199 {
|
|
|
10200 int idx;
|
|
|
10201 struct condstack *cstack = eap->cstack;
|
|
|
10202
|
|
|
10203 if (reanimate)
|
|
|
10204 /* Undo the return. */
|
|
|
10205 current_funccal->returned = FALSE;
|
|
|
10206
|
|
|
10207 /*
|
|
|
10208 * Cleanup (and inactivate) conditionals, but stop when a try conditional
|
|
|
10209 * not in its finally clause (which then is to be executed next) is found.
|
|
|
10210 * In this case, make the ":return" pending for execution at the ":endtry".
|
|
|
10211 * Otherwise, return normally.
|
|
|
10212 */
|
|
|
10213 idx = cleanup_conditionals(eap->cstack, 0, TRUE);
|
|
|
10214 if (idx >= 0)
|
|
|
10215 {
|
|
|
10216 cstack->cs_pending[idx] = CSTP_RETURN;
|
|
|
10217
|
|
|
10218 if (!is_cmd && !reanimate)
|
|
|
10219 /* A pending return again gets pending. "value" points to an
|
|
|
10220 * allocated variable with the value of the original ":return"'s
|
|
|
10221 * argument if present or is NULL else. */
|
|
|
10222 cstack->cs_retvar[idx] = value;
|
|
|
10223 else
|
|
|
10224 {
|
|
|
10225 /* When undoing a return in order to make it pending, get the stored
|
|
|
10226 * return value. */
|
|
|
10227 if (reanimate)
|
|
|
10228 value = current_funccal->retvar;
|
|
|
10229
|
|
|
10230 if (value != NULL)
|
|
|
10231 {
|
|
|
10232 /* Store the value of the pending return. */
|
|
|
10233 if ((cstack->cs_retvar[idx] = alloc_var()) != NULL)
|
|
|
10234 *(VAR)cstack->cs_retvar[idx] = *(VAR)value;
|
|
|
10235 else
|
|
|
10236 EMSG(_(e_outofmem));
|
|
|
10237 }
|
|
|
10238 else
|
|
|
10239 cstack->cs_retvar[idx] = NULL;
|
|
|
10240
|
|
|
10241 if (reanimate)
|
|
|
10242 {
|
|
|
10243 /* The pending return value could be overwritten by a ":return"
|
|
|
10244 * without argument in a finally clause; reset the default
|
|
|
10245 * return value. */
|
|
|
10246 current_funccal->retvar->var_type = VAR_NUMBER;
|
|
|
10247 current_funccal->retvar->var_val.var_number = 0;
|
|
|
10248 }
|
|
|
10249 }
|
|
|
10250 report_make_pending(CSTP_RETURN, value);
|
|
|
10251 }
|
|
|
10252 else
|
|
|
10253 {
|
|
|
10254 current_funccal->returned = TRUE;
|
|
|
10255
|
|
|
10256 /* If the return is carried out now, store the return value. For
|
|
|
10257 * a return immediately after reanimation, the value is already
|
|
|
10258 * there. */
|
|
|
10259 if (!reanimate && value != NULL)
|
|
|
10260 {
|
|
|
10261 clear_var(current_funccal->retvar);
|
|
|
10262 *current_funccal->retvar = *(VAR)value;
|
|
|
10263 if (!is_cmd)
|
|
|
10264 vim_free(value);
|
|
|
10265 }
|
|
|
10266 }
|
|
|
10267
|
|
|
10268 return idx < 0;
|
|
|
10269 }
|
|
|
10270
|
|
|
10271 /*
|
|
|
10272 * Free the variable with a pending return value.
|
|
|
10273 */
|
|
|
10274 void
|
|
|
10275 discard_pending_return(retvar)
|
|
|
10276 void *retvar;
|
|
|
10277 {
|
|
|
10278 /* The variable was copied from one with an undefined var_name. So we can't
|
|
|
10279 * use free_var() to clear and free it. */
|
|
|
10280 clear_var((VAR)retvar);
|
|
|
10281 vim_free(retvar);
|
|
|
10282 }
|
|
|
10283
|
|
|
10284 /*
|
|
|
10285 * Generate a return command for producing the value of "retvar". The result
|
|
|
10286 * is an allocated string. Used by report_pending() for verbose messages.
|
|
|
10287 */
|
|
|
10288 char_u *
|
|
|
10289 get_return_cmd(retvar)
|
|
|
10290 void *retvar;
|
|
|
10291 {
|
|
|
10292 char_u *s = IObuff;
|
|
|
10293
|
|
|
10294 if (retvar == NULL || ((VAR)retvar)->var_type == VAR_UNKNOWN)
|
|
|
10295 s = (char_u *)":return";
|
|
|
10296 else if (((VAR)retvar)->var_type == VAR_STRING)
|
|
|
10297 sprintf((char *)IObuff, ":return \"%s\"",
|
|
|
10298 ((VAR)retvar)->var_val.var_string);
|
|
|
10299 else
|
|
|
10300 sprintf((char *)IObuff, ":return %ld",
|
|
|
10301 (long)(((VAR)retvar)->var_val.var_number));
|
|
|
10302 return vim_strsave(s);
|
|
|
10303 }
|
|
|
10304
|
|
|
10305 /*
|
|
|
10306 * Get next function line.
|
|
|
10307 * Called by do_cmdline() to get the next line.
|
|
|
10308 * Returns allocated string, or NULL for end of function.
|
|
|
10309 */
|
|
|
10310 /* ARGSUSED */
|
|
|
10311 char_u *
|
|
|
10312 get_func_line(c, cookie, indent)
|
|
|
10313 int c; /* not used */
|
|
|
10314 void *cookie;
|
|
|
10315 int indent; /* not used */
|
|
|
10316 {
|
|
|
10317 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
10318 char_u *retval;
|
|
|
10319 garray_T *gap; /* growarray with function lines */
|
|
|
10320
|
|
|
10321 /* If breakpoints have been added/deleted need to check for it. */
|
|
|
10322 if (fcp->dbg_tick != debug_tick)
|
|
|
10323 {
|
|
|
10324 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
10325 sourcing_lnum);
|
|
|
10326 fcp->dbg_tick = debug_tick;
|
|
|
10327 }
|
|
|
10328
|
|
|
10329 gap = &fcp->func->lines;
|
|
|
10330 if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
10331 retval = NULL;
|
|
|
10332 else if (fcp->returned || fcp->linenr >= gap->ga_len)
|
|
|
10333 retval = NULL;
|
|
|
10334 else
|
|
|
10335 {
|
|
|
10336 retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]);
|
|
|
10337 sourcing_lnum = fcp->linenr;
|
|
|
10338 }
|
|
|
10339
|
|
|
10340 /* Did we encounter a breakpoint? */
|
|
|
10341 if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum)
|
|
|
10342 {
|
|
|
10343 dbg_breakpoint(fcp->func->name, sourcing_lnum);
|
|
|
10344 /* Find next breakpoint. */
|
|
|
10345 fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name,
|
|
|
10346 sourcing_lnum);
|
|
|
10347 fcp->dbg_tick = debug_tick;
|
|
|
10348 }
|
|
|
10349
|
|
|
10350 return retval;
|
|
|
10351 }
|
|
|
10352
|
|
|
10353 /*
|
|
|
10354 * Return TRUE if the currently active function should be ended, because a
|
|
|
10355 * return was encountered or an error occured. Used inside a ":while".
|
|
|
10356 */
|
|
|
10357 int
|
|
|
10358 func_has_ended(cookie)
|
|
|
10359 void *cookie;
|
|
|
10360 {
|
|
|
10361 struct funccall *fcp = (struct funccall *)cookie;
|
|
|
10362
|
|
|
10363 /* Ignore the "abort" flag if the abortion behavior has been changed due to
|
|
|
10364 * an error inside a try conditional. */
|
|
|
10365 return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try())
|
|
|
10366 || fcp->returned);
|
|
|
10367 }
|
|
|
10368
|
|
|
10369 /*
|
|
|
10370 * return TRUE if cookie indicates a function which "abort"s on errors.
|
|
|
10371 */
|
|
|
10372 int
|
|
|
10373 func_has_abort(cookie)
|
|
|
10374 void *cookie;
|
|
|
10375 {
|
|
|
10376 return ((struct funccall *)cookie)->func->flags & FC_ABORT;
|
|
|
10377 }
|
|
|
10378
|
|
|
10379 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
|
|
|
10380 typedef enum
|
|
|
10381 {
|
|
|
10382 VAR_FLAVOUR_DEFAULT,
|
|
|
10383 VAR_FLAVOUR_SESSION,
|
|
|
10384 VAR_FLAVOUR_VIMINFO
|
|
|
10385 } var_flavour_T;
|
|
|
10386
|
|
|
10387 static var_flavour_T var_flavour __ARGS((char_u *varname));
|
|
|
10388
|
|
|
10389 static var_flavour_T
|
|
|
10390 var_flavour(varname)
|
|
|
10391 char_u *varname;
|
|
|
10392 {
|
|
|
10393 char_u *p = varname;
|
|
|
10394
|
|
|
10395 if (ASCII_ISUPPER(*p))
|
|
|
10396 {
|
|
|
10397 while (*(++p))
|
|
|
10398 if (ASCII_ISLOWER(*p))
|
|
|
10399 return VAR_FLAVOUR_SESSION;
|
|
|
10400 return VAR_FLAVOUR_VIMINFO;
|
|
|
10401 }
|
|
|
10402 else
|
|
|
10403 return VAR_FLAVOUR_DEFAULT;
|
|
|
10404 }
|
|
|
10405 #endif
|
|
|
10406
|
|
|
10407 #if defined(FEAT_VIMINFO) || defined(PROTO)
|
|
|
10408 /*
|
|
|
10409 * Restore global vars that start with a capital from the viminfo file
|
|
|
10410 */
|
|
|
10411 int
|
|
|
10412 read_viminfo_varlist(virp, writing)
|
|
|
10413 vir_T *virp;
|
|
|
10414 int writing;
|
|
|
10415 {
|
|
|
10416 char_u *tab;
|
|
|
10417 int is_string = FALSE;
|
|
|
10418 VAR varp = NULL;
|
|
|
10419 char_u *val;
|
|
|
10420
|
|
|
10421 if (!writing && (find_viminfo_parameter('!') != NULL))
|
|
|
10422 {
|
|
|
10423 tab = vim_strchr(virp->vir_line + 1, '\t');
|
|
|
10424 if (tab != NULL)
|
|
|
10425 {
|
|
|
10426 *tab++ = '\0'; /* isolate the variable name */
|
|
|
10427 if (*tab == 'S') /* string var */
|
|
|
10428 is_string = TRUE;
|
|
|
10429
|
|
|
10430 tab = vim_strchr(tab, '\t');
|
|
|
10431 if (tab != NULL)
|
|
|
10432 {
|
|
|
10433 /* create a nameless variable to hold the value */
|
|
|
10434 if (is_string)
|
|
|
10435 {
|
|
|
10436 val = viminfo_readstring(virp,
|
|
|
10437 (int)(tab - virp->vir_line + 1), TRUE);
|
|
|
10438 if (val != NULL)
|
|
|
10439 varp = alloc_string_var(val);
|
|
|
10440 }
|
|
|
10441 else
|
|
|
10442 {
|
|
|
10443 varp = alloc_var();
|
|
|
10444 if (varp != NULL)
|
|
|
10445 {
|
|
|
10446 varp->var_type = VAR_NUMBER;
|
|
|
10447 varp->var_val.var_number = atol((char *)tab + 1);
|
|
|
10448 }
|
|
|
10449 }
|
|
|
10450 /* assign the value to the variable */
|
|
|
10451 if (varp != NULL)
|
|
|
10452 {
|
|
|
10453 set_var(virp->vir_line + 1, varp);
|
|
|
10454 free_var(varp);
|
|
|
10455 }
|
|
|
10456 }
|
|
|
10457 }
|
|
|
10458 }
|
|
|
10459
|
|
|
10460 return viminfo_readline(virp);
|
|
|
10461 }
|
|
|
10462
|
|
|
10463 /*
|
|
|
10464 * Write global vars that start with a capital to the viminfo file
|
|
|
10465 */
|
|
|
10466 void
|
|
|
10467 write_viminfo_varlist(fp)
|
|
|
10468 FILE *fp;
|
|
|
10469 {
|
|
|
10470 garray_T *gap = &variables; /* global variable */
|
|
|
10471 VAR this_var;
|
|
|
10472 int i;
|
|
|
10473
|
|
|
10474 if (find_viminfo_parameter('!') == NULL)
|
|
|
10475 return;
|
|
|
10476
|
|
|
10477 fprintf(fp, _("\n# global variables:\n"));
|
|
|
10478 for (i = gap->ga_len; --i >= 0; )
|
|
|
10479 {
|
|
|
10480 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10481 if (this_var->var_name != NULL
|
|
|
10482 && var_flavour(this_var->var_name) == VAR_FLAVOUR_VIMINFO)
|
|
|
10483 {
|
|
|
10484 fprintf(fp, "!%s\t%s\t", this_var->var_name,
|
|
|
10485 (this_var->var_type == VAR_STRING) ? "STR" : "NUM");
|
|
|
10486 viminfo_writestring(fp, get_var_string(this_var));
|
|
|
10487 }
|
|
|
10488 }
|
|
|
10489 }
|
|
|
10490 #endif
|
|
|
10491
|
|
|
10492 #if defined(FEAT_SESSION) || defined(PROTO)
|
|
|
10493 int
|
|
|
10494 store_session_globals(fd)
|
|
|
10495 FILE *fd;
|
|
|
10496 {
|
|
|
10497 garray_T *gap = &variables; /* global variable */
|
|
|
10498 VAR this_var;
|
|
|
10499 int i;
|
|
|
10500 char_u *p, *t;
|
|
|
10501
|
|
|
10502 for (i = gap->ga_len; --i >= 0; )
|
|
|
10503 {
|
|
|
10504 this_var = &VAR_GAP_ENTRY(i, gap);
|
|
|
10505 if (this_var->var_name != NULL)
|
|
|
10506 {
|
|
|
10507 if (var_flavour(this_var->var_name) == VAR_FLAVOUR_SESSION)
|
|
|
10508 {
|
|
|
10509 /* Escapse special characters with a backslash. Turn a LF and
|
|
|
10510 * CR into \n and \r. */
|
|
|
10511 p = vim_strsave_escaped(get_var_string(this_var),
|
|
|
10512 (char_u *)"\\\"\n\r");
|
|
|
10513 if (p == NULL) /* out of memory */
|
|
|
10514 continue;
|
|
|
10515 for (t = p; *t != NUL; ++t)
|
|
|
10516 if (*t == '\n')
|
|
|
10517 *t = 'n';
|
|
|
10518 else if (*t == '\r')
|
|
|
10519 *t = 'r';
|
|
|
10520 if ((fprintf(fd, "let %s = %c%s%c",
|
|
|
10521 this_var->var_name,
|
|
|
10522 (this_var->var_type == VAR_STRING) ? '"' : ' ',
|
|
|
10523 p,
|
|
|
10524 (this_var->var_type == VAR_STRING) ? '"' : ' ') < 0)
|
|
|
10525 || put_eol(fd) == FAIL)
|
|
|
10526 {
|
|
|
10527 vim_free(p);
|
|
|
10528 return FAIL;
|
|
|
10529 }
|
|
|
10530 vim_free(p);
|
|
|
10531 }
|
|
|
10532
|
|
|
10533 }
|
|
|
10534 }
|
|
|
10535 return OK;
|
|
|
10536 }
|
|
|
10537 #endif
|
|
|
10538
|
|
|
10539 #endif /* FEAT_EVAL */
|
|
|
10540
|
|
|
10541 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
|
|
|
10542
|
|
|
10543
|
|
|
10544 #ifdef WIN3264
|
|
|
10545 /*
|
|
|
10546 * Functions for ":8" filename modifier: get 8.3 version of a filename.
|
|
|
10547 */
|
|
|
10548 static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10549 static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen));
|
|
|
10550 static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen));
|
|
|
10551
|
|
|
10552 /*
|
|
|
10553 * Get the short pathname of a file.
|
|
|
10554 * Returns 1 on success. *fnamelen is 0 for nonexistant path.
|
|
|
10555 */
|
|
|
10556 static int
|
|
|
10557 get_short_pathname(fnamep, bufp, fnamelen)
|
|
|
10558 char_u **fnamep;
|
|
|
10559 char_u **bufp;
|
|
|
10560 int *fnamelen;
|
|
|
10561 {
|
|
|
10562 int l,len;
|
|
|
10563 char_u *newbuf;
|
|
|
10564
|
|
|
10565 len = *fnamelen;
|
|
|
10566
|
|
|
10567 l = GetShortPathName(*fnamep, *fnamep, len);
|
|
|
10568 if (l > len - 1)
|
|
|
10569 {
|
|
|
10570 /* If that doesn't work (not enough space), then save the string
|
|
|
10571 * and try again with a new buffer big enough
|
|
|
10572 */
|
|
|
10573 newbuf = vim_strnsave(*fnamep, l);
|
|
|
10574 if (newbuf == NULL)
|
|
|
10575 return 0;
|
|
|
10576
|
|
|
10577 vim_free(*bufp);
|
|
|
10578 *fnamep = *bufp = newbuf;
|
|
|
10579
|
|
|
10580 l = GetShortPathName(*fnamep,*fnamep,l+1);
|
|
|
10581
|
|
|
10582 /* Really should always succeed, as the buffer is big enough */
|
|
|
10583 }
|
|
|
10584
|
|
|
10585 *fnamelen = l;
|
|
|
10586 return 1;
|
|
|
10587 }
|
|
|
10588
|
|
|
10589 /*
|
|
|
10590 * Create a short path name. Returns the length of the buffer it needs.
|
|
|
10591 * Doesn't copy over the end of the buffer passed in.
|
|
|
10592 */
|
|
|
10593 static int
|
|
|
10594 shortpath_for_invalid_fname(fname, bufp, fnamelen)
|
|
|
10595 char_u **fname;
|
|
|
10596 char_u **bufp;
|
|
|
10597 int *fnamelen;
|
|
|
10598 {
|
|
|
10599 char_u *s, *p, *pbuf2, *pbuf3;
|
|
|
10600 char_u ch;
|
|
|
10601 int l,len,len2,plen,slen;
|
|
|
10602
|
|
|
10603 /* Make a copy */
|
|
|
10604 len2 = *fnamelen;
|
|
|
10605 pbuf2 = vim_strnsave(*fname, len2);
|
|
|
10606 pbuf3 = NULL;
|
|
|
10607
|
|
|
10608 s = pbuf2 + len2 - 1; /* Find the end */
|
|
|
10609 slen = 1;
|
|
|
10610 plen = len2;
|
|
|
10611
|
|
|
10612 l = 0;
|
|
|
10613 if (vim_ispathsep(*s))
|
|
|
10614 {
|
|
|
10615 --s;
|
|
|
10616 ++slen;
|
|
|
10617 --plen;
|
|
|
10618 }
|
|
|
10619
|
|
|
10620 do
|
|
|
10621 {
|
|
|
10622 /* Go back one path-seperator */
|
|
|
10623 while (s > pbuf2 && !vim_ispathsep(*s))
|
|
|
10624 {
|
|
|
10625 --s;
|
|
|
10626 ++slen;
|
|
|
10627 --plen;
|
|
|
10628 }
|
|
|
10629 if (s <= pbuf2)
|
|
|
10630 break;
|
|
|
10631
|
|
|
10632 /* Remeber the character that is about to be blatted */
|
|
|
10633 ch = *s;
|
|
|
10634 *s = 0; /* get_short_pathname requires a null-terminated string */
|
|
|
10635
|
|
|
10636 /* Try it in situ */
|
|
|
10637 p = pbuf2;
|
|
|
10638 if (!get_short_pathname(&p, &pbuf3, &plen))
|
|
|
10639 {
|
|
|
10640 vim_free(pbuf2);
|
|
|
10641 return -1;
|
|
|
10642 }
|
|
|
10643 *s = ch; /* Preserve the string */
|
|
|
10644 } while (plen == 0);
|
|
|
10645
|
|
|
10646 if (plen > 0)
|
|
|
10647 {
|
|
|
10648 /* Remeber the length of the new string. */
|
|
|
10649 *fnamelen = len = plen + slen;
|
|
|
10650 vim_free(*bufp);
|
|
|
10651 if (len > len2)
|
|
|
10652 {
|
|
|
10653 /* If there's not enough space in the currently allocated string,
|
|
|
10654 * then copy it to a buffer big enough.
|
|
|
10655 */
|
|
|
10656 *fname= *bufp = vim_strnsave(p, len);
|
|
|
10657 if (*fname == NULL)
|
|
|
10658 return -1;
|
|
|
10659 }
|
|
|
10660 else
|
|
|
10661 {
|
|
|
10662 /* Transfer pbuf2 to being the main buffer (it's big enough) */
|
|
|
10663 *fname = *bufp = pbuf2;
|
|
|
10664 if (p != pbuf2)
|
|
|
10665 strncpy(*fname, p, plen);
|
|
|
10666 pbuf2 = NULL;
|
|
|
10667 }
|
|
|
10668 /* Concat the next bit */
|
|
|
10669 strncpy(*fname + plen, s, slen);
|
|
|
10670 (*fname)[len] = '\0';
|
|
|
10671 }
|
|
|
10672 vim_free(pbuf3);
|
|
|
10673 vim_free(pbuf2);
|
|
|
10674 return 0;
|
|
|
10675 }
|
|
|
10676
|
|
|
10677 /*
|
|
|
10678 * Get a pathname for a partial path.
|
|
|
10679 */
|
|
|
10680 static int
|
|
|
10681 shortpath_for_partial(fnamep, bufp, fnamelen)
|
|
|
10682 char_u **fnamep;
|
|
|
10683 char_u **bufp;
|
|
|
10684 int *fnamelen;
|
|
|
10685 {
|
|
|
10686 int sepcount, len, tflen;
|
|
|
10687 char_u *p;
|
|
|
10688 char_u *pbuf, *tfname;
|
|
|
10689 int hasTilde;
|
|
|
10690
|
|
|
10691 /* Count up the path seperators from the RHS.. so we know which part
|
|
|
10692 * of the path to return.
|
|
|
10693 */
|
|
|
10694 sepcount = 0;
|
|
|
10695 for (p = *fnamep + *fnamelen - 1; p >= *fnamep; --p)
|
|
|
10696 if (vim_ispathsep(*p))
|
|
|
10697 ++sepcount;
|
|
|
10698
|
|
|
10699 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10700 hasTilde = (**fnamep == '~');
|
|
|
10701 if (hasTilde)
|
|
|
10702 pbuf = tfname = expand_env_save(*fnamep);
|
|
|
10703 else
|
|
|
10704 pbuf = tfname = FullName_save(*fnamep, FALSE);
|
|
|
10705
|
|
|
10706 len = tflen = STRLEN(tfname);
|
|
|
10707
|
|
|
10708 if (!get_short_pathname(&tfname, &pbuf, &len))
|
|
|
10709 return -1;
|
|
|
10710
|
|
|
10711 if (len == 0)
|
|
|
10712 {
|
|
|
10713 /* Don't have a valid filename, so shorten the rest of the
|
|
|
10714 * path if we can. This CAN give us invalid 8.3 filenames, but
|
|
|
10715 * there's not a lot of point in guessing what it might be.
|
|
|
10716 */
|
|
|
10717 len = tflen;
|
|
|
10718 if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1)
|
|
|
10719 return -1;
|
|
|
10720 }
|
|
|
10721
|
|
|
10722 /* Count the paths backward to find the beginning of the desired string. */
|
|
|
10723 for (p = tfname + len - 1; p >= tfname; --p)
|
|
|
10724 if (vim_ispathsep(*p))
|
|
|
10725 {
|
|
|
10726 if (sepcount == 0 || (hasTilde && sepcount == 1))
|
|
|
10727 break;
|
|
|
10728 else
|
|
|
10729 sepcount --;
|
|
|
10730 }
|
|
|
10731 if (hasTilde)
|
|
|
10732 {
|
|
|
10733 --p;
|
|
|
10734 if (p >= tfname)
|
|
|
10735 *p = '~';
|
|
|
10736 else
|
|
|
10737 return -1;
|
|
|
10738 }
|
|
|
10739 else
|
|
|
10740 ++p;
|
|
|
10741
|
|
|
10742 /* Copy in the string - p indexes into tfname - allocated at pbuf */
|
|
|
10743 vim_free(*bufp);
|
|
|
10744 *fnamelen = (int)STRLEN(p);
|
|
|
10745 *bufp = pbuf;
|
|
|
10746 *fnamep = p;
|
|
|
10747
|
|
|
10748 return 0;
|
|
|
10749 }
|
|
|
10750 #endif /* WIN3264 */
|
|
|
10751
|
|
|
10752 /*
|
|
|
10753 * Adjust a filename, according to a string of modifiers.
|
|
|
10754 * *fnamep must be NUL terminated when called. When returning, the length is
|
|
|
10755 * determined by *fnamelen.
|
|
|
10756 * Returns valid flags.
|
|
|
10757 * When there is an error, *fnamep is set to NULL.
|
|
|
10758 */
|
|
|
10759 int
|
|
|
10760 modify_fname(src, usedlen, fnamep, bufp, fnamelen)
|
|
|
10761 char_u *src; /* string with modifiers */
|
|
|
10762 int *usedlen; /* characters after src that are used */
|
|
|
10763 char_u **fnamep; /* file name so far */
|
|
|
10764 char_u **bufp; /* buffer for allocated file name or NULL */
|
|
|
10765 int *fnamelen; /* length of fnamep */
|
|
|
10766 {
|
|
|
10767 int valid = 0;
|
|
|
10768 char_u *tail;
|
|
|
10769 char_u *s, *p, *pbuf;
|
|
|
10770 char_u dirname[MAXPATHL];
|
|
|
10771 int c;
|
|
|
10772 int has_fullname = 0;
|
|
|
10773 #ifdef WIN3264
|
|
|
10774 int has_shortname = 0;
|
|
|
10775 #endif
|
|
|
10776
|
|
|
10777 repeat:
|
|
|
10778 /* ":p" - full path/file_name */
|
|
|
10779 if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p')
|
|
|
10780 {
|
|
|
10781 has_fullname = 1;
|
|
|
10782
|
|
|
10783 valid |= VALID_PATH;
|
|
|
10784 *usedlen += 2;
|
|
|
10785
|
|
|
10786 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
|
|
|
10787 if ((*fnamep)[0] == '~'
|
|
|
10788 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
|
|
|
10789 && ((*fnamep)[1] == '/'
|
|
|
10790 # ifdef BACKSLASH_IN_FILENAME
|
|
|
10791 || (*fnamep)[1] == '\\'
|
|
|
10792 # endif
|
|
|
10793 || (*fnamep)[1] == NUL)
|
|
|
10794
|
|
|
10795 #endif
|
|
|
10796 )
|
|
|
10797 {
|
|
|
10798 *fnamep = expand_env_save(*fnamep);
|
|
|
10799 vim_free(*bufp); /* free any allocated file name */
|
|
|
10800 *bufp = *fnamep;
|
|
|
10801 if (*fnamep == NULL)
|
|
|
10802 return -1;
|
|
|
10803 }
|
|
|
10804
|
|
|
10805 /* When "/." or "/.." is used: force expansion to get rid of it. */
|
|
|
10806 for (p = *fnamep; *p != NUL; ++p)
|
|
|
10807 {
|
|
|
10808 if (vim_ispathsep(*p)
|
|
|
10809 && p[1] == '.'
|
|
|
10810 && (p[2] == NUL
|
|
|
10811 || vim_ispathsep(p[2])
|
|
|
10812 || (p[2] == '.'
|
|
|
10813 && (p[3] == NUL || vim_ispathsep(p[3])))))
|
|
|
10814 break;
|
|
|
10815 }
|
|
|
10816
|
|
|
10817 /* FullName_save() is slow, don't use it when not needed. */
|
|
|
10818 if (*p != NUL || !vim_isAbsName(*fnamep))
|
|
|
10819 {
|
|
|
10820 *fnamep = FullName_save(*fnamep, *p != NUL);
|
|
|
10821 vim_free(*bufp); /* free any allocated file name */
|
|
|
10822 *bufp = *fnamep;
|
|
|
10823 if (*fnamep == NULL)
|
|
|
10824 return -1;
|
|
|
10825 }
|
|
|
10826
|
|
|
10827 /* Append a path separator to a directory. */
|
|
|
10828 if (mch_isdir(*fnamep))
|
|
|
10829 {
|
|
|
10830 /* Make room for one or two extra characters. */
|
|
|
10831 *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2);
|
|
|
10832 vim_free(*bufp); /* free any allocated file name */
|
|
|
10833 *bufp = *fnamep;
|
|
|
10834 if (*fnamep == NULL)
|
|
|
10835 return -1;
|
|
|
10836 add_pathsep(*fnamep);
|
|
|
10837 }
|
|
|
10838 }
|
|
|
10839
|
|
|
10840 /* ":." - path relative to the current directory */
|
|
|
10841 /* ":~" - path relative to the home directory */
|
|
|
10842 /* ":8" - shortname path - postponed till after */
|
|
|
10843 while (src[*usedlen] == ':'
|
|
|
10844 && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8'))
|
|
|
10845 {
|
|
|
10846 *usedlen += 2;
|
|
|
10847 if (c == '8')
|
|
|
10848 {
|
|
|
10849 #ifdef WIN3264
|
|
|
10850 has_shortname = 1; /* Postpone this. */
|
|
|
10851 #endif
|
|
|
10852 continue;
|
|
|
10853 }
|
|
|
10854 pbuf = NULL;
|
|
|
10855 /* Need full path first (use expand_env() to remove a "~/") */
|
|
|
10856 if (!has_fullname)
|
|
|
10857 {
|
|
|
10858 if (c == '.' && **fnamep == '~')
|
|
|
10859 p = pbuf = expand_env_save(*fnamep);
|
|
|
10860 else
|
|
|
10861 p = pbuf = FullName_save(*fnamep, FALSE);
|
|
|
10862 }
|
|
|
10863 else
|
|
|
10864 p = *fnamep;
|
|
|
10865
|
|
|
10866 has_fullname = 0;
|
|
|
10867
|
|
|
10868 if (p != NULL)
|
|
|
10869 {
|
|
|
10870 if (c == '.')
|
|
|
10871 {
|
|
|
10872 mch_dirname(dirname, MAXPATHL);
|
|
|
10873 s = shorten_fname(p, dirname);
|
|
|
10874 if (s != NULL)
|
|
|
10875 {
|
|
|
10876 *fnamep = s;
|
|
|
10877 if (pbuf != NULL)
|
|
|
10878 {
|
|
|
10879 vim_free(*bufp); /* free any allocated file name */
|
|
|
10880 *bufp = pbuf;
|
|
|
10881 pbuf = NULL;
|
|
|
10882 }
|
|
|
10883 }
|
|
|
10884 }
|
|
|
10885 else
|
|
|
10886 {
|
|
|
10887 home_replace(NULL, p, dirname, MAXPATHL, TRUE);
|
|
|
10888 /* Only replace it when it starts with '~' */
|
|
|
10889 if (*dirname == '~')
|
|
|
10890 {
|
|
|
10891 s = vim_strsave(dirname);
|
|
|
10892 if (s != NULL)
|
|
|
10893 {
|
|
|
10894 *fnamep = s;
|
|
|
10895 vim_free(*bufp);
|
|
|
10896 *bufp = s;
|
|
|
10897 }
|
|
|
10898 }
|
|
|
10899 }
|
|
|
10900 vim_free(pbuf);
|
|
|
10901 }
|
|
|
10902 }
|
|
|
10903
|
|
|
10904 tail = gettail(*fnamep);
|
|
|
10905 *fnamelen = (int)STRLEN(*fnamep);
|
|
|
10906
|
|
|
10907 /* ":h" - head, remove "/file_name", can be repeated */
|
|
|
10908 /* Don't remove the first "/" or "c:\" */
|
|
|
10909 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h')
|
|
|
10910 {
|
|
|
10911 valid |= VALID_HEAD;
|
|
|
10912 *usedlen += 2;
|
|
|
10913 s = get_past_head(*fnamep);
|
|
|
10914 while (tail > s && vim_ispathsep(tail[-1]))
|
|
|
10915 --tail;
|
|
|
10916 *fnamelen = (int)(tail - *fnamep);
|
|
|
10917 #ifdef VMS
|
|
|
10918 if (*fnamelen > 0)
|
|
|
10919 *fnamelen += 1; /* the path separator is part of the path */
|
|
|
10920 #endif
|
|
|
10921 while (tail > s && !vim_ispathsep(tail[-1]))
|
|
|
10922 --tail;
|
|
|
10923 }
|
|
|
10924
|
|
|
10925 /* ":8" - shortname */
|
|
|
10926 if (src[*usedlen] == ':' && src[*usedlen + 1] == '8')
|
|
|
10927 {
|
|
|
10928 *usedlen += 2;
|
|
|
10929 #ifdef WIN3264
|
|
|
10930 has_shortname = 1;
|
|
|
10931 #endif
|
|
|
10932 }
|
|
|
10933
|
|
|
10934 #ifdef WIN3264
|
|
|
10935 /* Check shortname after we have done 'heads' and before we do 'tails'
|
|
|
10936 */
|
|
|
10937 if (has_shortname)
|
|
|
10938 {
|
|
|
10939 pbuf = NULL;
|
|
|
10940 /* Copy the string if it is shortened by :h */
|
|
|
10941 if (*fnamelen < (int)STRLEN(*fnamep))
|
|
|
10942 {
|
|
|
10943 p = vim_strnsave(*fnamep, *fnamelen);
|
|
|
10944 if (p == 0)
|
|
|
10945 return -1;
|
|
|
10946 vim_free(*bufp);
|
|
|
10947 *bufp = *fnamep = p;
|
|
|
10948 }
|
|
|
10949
|
|
|
10950 /* Split into two implementations - makes it easier. First is where
|
|
|
10951 * there isn't a full name already, second is where there is.
|
|
|
10952 */
|
|
|
10953 if (!has_fullname && !vim_isAbsName(*fnamep))
|
|
|
10954 {
|
|
|
10955 if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1)
|
|
|
10956 return -1;
|
|
|
10957 }
|
|
|
10958 else
|
|
|
10959 {
|
|
|
10960 int l;
|
|
|
10961
|
|
|
10962 /* Simple case, already have the full-name
|
|
|
10963 * Nearly always shorter, so try first time. */
|
|
|
10964 l = *fnamelen;
|
|
|
10965 if (!get_short_pathname(fnamep, bufp, &l))
|
|
|
10966 return -1;
|
|
|
10967
|
|
|
10968 if (l == 0)
|
|
|
10969 {
|
|
|
10970 /* Couldn't find the filename.. search the paths.
|
|
|
10971 */
|
|
|
10972 l = *fnamelen;
|
|
|
10973 if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1)
|
|
|
10974 return -1;
|
|
|
10975 }
|
|
|
10976 *fnamelen = l;
|
|
|
10977 }
|
|
|
10978 }
|
|
|
10979 #endif /* WIN3264 */
|
|
|
10980
|
|
|
10981 /* ":t" - tail, just the basename */
|
|
|
10982 if (src[*usedlen] == ':' && src[*usedlen + 1] == 't')
|
|
|
10983 {
|
|
|
10984 *usedlen += 2;
|
|
|
10985 *fnamelen -= (int)(tail - *fnamep);
|
|
|
10986 *fnamep = tail;
|
|
|
10987 }
|
|
|
10988
|
|
|
10989 /* ":e" - extension, can be repeated */
|
|
|
10990 /* ":r" - root, without extension, can be repeated */
|
|
|
10991 while (src[*usedlen] == ':'
|
|
|
10992 && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r'))
|
|
|
10993 {
|
|
|
10994 /* find a '.' in the tail:
|
|
|
10995 * - for second :e: before the current fname
|
|
|
10996 * - otherwise: The last '.'
|
|
|
10997 */
|
|
|
10998 if (src[*usedlen + 1] == 'e' && *fnamep > tail)
|
|
|
10999 s = *fnamep - 2;
|
|
|
11000 else
|
|
|
11001 s = *fnamep + *fnamelen - 1;
|
|
|
11002 for ( ; s > tail; --s)
|
|
|
11003 if (s[0] == '.')
|
|
|
11004 break;
|
|
|
11005 if (src[*usedlen + 1] == 'e') /* :e */
|
|
|
11006 {
|
|
|
11007 if (s > tail)
|
|
|
11008 {
|
|
|
11009 *fnamelen += (int)(*fnamep - (s + 1));
|
|
|
11010 *fnamep = s + 1;
|
|
|
11011 #ifdef VMS
|
|
|
11012 /* cut version from the extension */
|
|
|
11013 s = *fnamep + *fnamelen - 1;
|
|
|
11014 for ( ; s > *fnamep; --s)
|
|
|
11015 if (s[0] == ';')
|
|
|
11016 break;
|
|
|
11017 if (s > *fnamep)
|
|
|
11018 *fnamelen = s - *fnamep;
|
|
|
11019 #endif
|
|
|
11020 }
|
|
|
11021 else if (*fnamep <= tail)
|
|
|
11022 *fnamelen = 0;
|
|
|
11023 }
|
|
|
11024 else /* :r */
|
|
|
11025 {
|
|
|
11026 if (s > tail) /* remove one extension */
|
|
|
11027 *fnamelen = (int)(s - *fnamep);
|
|
|
11028 }
|
|
|
11029 *usedlen += 2;
|
|
|
11030 }
|
|
|
11031
|
|
|
11032 /* ":s?pat?foo?" - substitute */
|
|
|
11033 /* ":gs?pat?foo?" - global substitute */
|
|
|
11034 if (src[*usedlen] == ':'
|
|
|
11035 && (src[*usedlen + 1] == 's'
|
|
|
11036 || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's')))
|
|
|
11037 {
|
|
|
11038 char_u *str;
|
|
|
11039 char_u *pat;
|
|
|
11040 char_u *sub;
|
|
|
11041 int sep;
|
|
|
11042 char_u *flags;
|
|
|
11043 int didit = FALSE;
|
|
|
11044
|
|
|
11045 flags = (char_u *)"";
|
|
|
11046 s = src + *usedlen + 2;
|
|
|
11047 if (src[*usedlen + 1] == 'g')
|
|
|
11048 {
|
|
|
11049 flags = (char_u *)"g";
|
|
|
11050 ++s;
|
|
|
11051 }
|
|
|
11052
|
|
|
11053 sep = *s++;
|
|
|
11054 if (sep)
|
|
|
11055 {
|
|
|
11056 /* find end of pattern */
|
|
|
11057 p = vim_strchr(s, sep);
|
|
|
11058 if (p != NULL)
|
|
|
11059 {
|
|
|
11060 pat = vim_strnsave(s, (int)(p - s));
|
|
|
11061 if (pat != NULL)
|
|
|
11062 {
|
|
|
11063 s = p + 1;
|
|
|
11064 /* find end of substitution */
|
|
|
11065 p = vim_strchr(s, sep);
|
|
|
11066 if (p != NULL)
|
|
|
11067 {
|
|
|
11068 sub = vim_strnsave(s, (int)(p - s));
|
|
|
11069 str = vim_strnsave(*fnamep, *fnamelen);
|
|
|
11070 if (sub != NULL && str != NULL)
|
|
|
11071 {
|
|
|
11072 *usedlen = (int)(p + 1 - src);
|
|
|
11073 s = do_string_sub(str, pat, sub, flags);
|
|
|
11074 if (s != NULL)
|
|
|
11075 {
|
|
|
11076 *fnamep = s;
|
|
|
11077 *fnamelen = (int)STRLEN(s);
|
|
|
11078 vim_free(*bufp);
|
|
|
11079 *bufp = s;
|
|
|
11080 didit = TRUE;
|
|
|
11081 }
|
|
|
11082 }
|
|
|
11083 vim_free(sub);
|
|
|
11084 vim_free(str);
|
|
|
11085 }
|
|
|
11086 vim_free(pat);
|
|
|
11087 }
|
|
|
11088 }
|
|
|
11089 /* after using ":s", repeat all the modifiers */
|
|
|
11090 if (didit)
|
|
|
11091 goto repeat;
|
|
|
11092 }
|
|
|
11093 }
|
|
|
11094
|
|
|
11095 return valid;
|
|
|
11096 }
|
|
|
11097
|
|
|
11098 /*
|
|
|
11099 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
|
|
|
11100 * "flags" can be "g" to do a global substitute.
|
|
|
11101 * Returns an allocated string, NULL for error.
|
|
|
11102 */
|
|
|
11103 char_u *
|
|
|
11104 do_string_sub(str, pat, sub, flags)
|
|
|
11105 char_u *str;
|
|
|
11106 char_u *pat;
|
|
|
11107 char_u *sub;
|
|
|
11108 char_u *flags;
|
|
|
11109 {
|
|
|
11110 int sublen;
|
|
|
11111 regmatch_T regmatch;
|
|
|
11112 int i;
|
|
|
11113 int do_all;
|
|
|
11114 char_u *tail;
|
|
|
11115 garray_T ga;
|
|
|
11116 char_u *ret;
|
|
|
11117 char_u *save_cpo;
|
|
|
11118
|
|
|
11119 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
|
|
|
11120 save_cpo = p_cpo;
|
|
|
11121 p_cpo = (char_u *)"";
|
|
|
11122
|
|
|
11123 ga_init2(&ga, 1, 200);
|
|
|
11124
|
|
|
11125 do_all = (flags[0] == 'g');
|
|
|
11126
|
|
|
11127 regmatch.rm_ic = p_ic;
|
|
|
11128 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
|
|
|
11129 if (regmatch.regprog != NULL)
|
|
|
11130 {
|
|
|
11131 tail = str;
|
|
|
11132 while (vim_regexec_nl(®match, str, (colnr_T)(tail - str)))
|
|
|
11133 {
|
|
|
11134 /*
|
|
|
11135 * Get some space for a temporary buffer to do the substitution
|
|
|
11136 * into. It will contain:
|
|
|
11137 * - The text up to where the match is.
|
|
|
11138 * - The substituted text.
|
|
|
11139 * - The text after the match.
|
|
|
11140 */
|
|
|
11141 sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE);
|
|
|
11142 if (ga_grow(&ga, (int)(STRLEN(tail) + sublen -
|
|
|
11143 (regmatch.endp[0] - regmatch.startp[0]))) == FAIL)
|
|
|
11144 {
|
|
|
11145 ga_clear(&ga);
|
|
|
11146 break;
|
|
|
11147 }
|
|
|
11148
|
|
|
11149 /* copy the text up to where the match is */
|
|
|
11150 i = (int)(regmatch.startp[0] - tail);
|
|
|
11151 mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i);
|
|
|
11152 /* add the substituted text */
|
|
|
11153 (void)vim_regsub(®match, sub, (char_u *)ga.ga_data
|
|
|
11154 + ga.ga_len + i, TRUE, TRUE, FALSE);
|
|
|
11155 ga.ga_len += i + sublen - 1;
|
|
|
11156 ga.ga_room -= i + sublen - 1;
|
|
|
11157 /* avoid getting stuck on a match with an empty string */
|
|
|
11158 if (tail == regmatch.endp[0])
|
|
|
11159 {
|
|
|
11160 if (*tail == NUL)
|
|
|
11161 break;
|
|
|
11162 *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
|
|
|
11163 ++ga.ga_len;
|
|
|
11164 --ga.ga_room;
|
|
|
11165 }
|
|
|
11166 else
|
|
|
11167 {
|
|
|
11168 tail = regmatch.endp[0];
|
|
|
11169 if (*tail == NUL)
|
|
|
11170 break;
|
|
|
11171 }
|
|
|
11172 if (!do_all)
|
|
|
11173 break;
|
|
|
11174 }
|
|
|
11175
|
|
|
11176 if (ga.ga_data != NULL)
|
|
|
11177 STRCPY((char *)ga.ga_data + ga.ga_len, tail);
|
|
|
11178
|
|
|
11179 vim_free(regmatch.regprog);
|
|
|
11180 }
|
|
|
11181
|
|
|
11182 ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data);
|
|
|
11183 ga_clear(&ga);
|
|
|
11184 p_cpo = save_cpo;
|
|
|
11185
|
|
|
11186 return ret;
|
|
|
11187 }
|
|
|
11188
|
|
|
11189 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
|
