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annotate src/vim9script.c @ 20174:72b437855299 v8.2.0642

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patch 8.2.0642: Vim9: using invalid index Commit: https://github.com/vim/vim/commit/7d41aa8874a62eb399e13b94add7f0e5c4dd074b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 26 14:29:56 2020 +0200 patch 8.2.0642: Vim9: using invalid index Problem: Vim9: using invalid index. Solution: Check index for being valid. Fix memory leak.
author Bram Moolenaar <Bram@vim.org>
date Sun, 26 Apr 2020 14:45:04 +0200
parents ad37a198a708
children 63cc54100ae4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19181
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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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 * vim9script.c: :vim9script, :import, :export and friends
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12 */
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13
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14 #include "vim.h"
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15
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16 #if defined(FEAT_EVAL) || defined(PROTO)
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17
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18 #include "vim9.h"
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19
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20 static char e_needs_vim9[] = N_("E1042: import/export can only be used in vim9script");
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21
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22 int
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23 in_vim9script(void)
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24 {
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25 // TODO: go up the stack?
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26 return current_sctx.sc_version == SCRIPT_VERSION_VIM9;
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27 }
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28
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29 /*
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30 * ":vim9script".
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31 */
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32 void
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33 ex_vim9script(exarg_T *eap)
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34 {
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35 scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
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36
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37 if (!getline_equal(eap->getline, eap->cookie, getsourceline))
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38 {
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39 emsg(_("E1038: vim9script can only be used in a script"));
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40 return;
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41 }
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42 if (si->sn_had_command)
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43 {
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44 emsg(_("E1039: vim9script must be the first command in a script"));
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45 return;
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46 }
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47 current_sctx.sc_version = SCRIPT_VERSION_VIM9;
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48 si->sn_version = SCRIPT_VERSION_VIM9;
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49 si->sn_had_command = TRUE;
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50
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51 if (STRCMP(p_cpo, CPO_VIM) != 0)
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52 {
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53 si->sn_save_cpo = p_cpo;
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54 p_cpo = vim_strsave((char_u *)CPO_VIM);
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55 }
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56 }
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57
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58 /*
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59 * ":export let Name: type"
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60 * ":export const Name: type"
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61 * ":export def Name(..."
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62 * ":export class Name ..."
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63 *
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64 * ":export {Name, ...}"
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65 */
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66 void
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67 ex_export(exarg_T *eap UNUSED)
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68 {
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69 if (current_sctx.sc_version != SCRIPT_VERSION_VIM9)
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70 {
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71 emsg(_(e_needs_vim9));
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72 return;
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73 }
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74
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75 eap->cmd = eap->arg;
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76 (void)find_ex_command(eap, NULL, lookup_scriptvar, NULL);
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77 switch (eap->cmdidx)
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78 {
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79 case CMD_let:
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80 case CMD_const:
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81 case CMD_def:
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82 // case CMD_class:
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83 is_export = TRUE;
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84 do_cmdline(eap->cmd, eap->getline, eap->cookie,
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85 DOCMD_VERBOSE + DOCMD_NOWAIT);
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86
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87 // The command will reset "is_export" when exporting an item.
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88 if (is_export)
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89 {
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90 emsg(_("E1044: export with invalid argument"));
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91 is_export = FALSE;
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92 }
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93 break;
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94 default:
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95 emsg(_("E1043: Invalid command after :export"));
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96 break;
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97 }
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98 }
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99
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100 /*
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101 * Add a new imported item entry to the current script.
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102 */
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103 static imported_T *
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104 new_imported(garray_T *gap)
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105 {
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106 if (ga_grow(gap, 1) == OK)
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107 return ((imported_T *)gap->ga_data + gap->ga_len++);
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108 return NULL;
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109 }
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110
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111 /*
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112 * Free all imported items in script "sid".
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113 */
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114 void
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115 free_imports(int sid)
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116 {
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117 scriptitem_T *si = SCRIPT_ITEM(sid);
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118 int idx;
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119
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120 for (idx = 0; idx < si->sn_imports.ga_len; ++idx)
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121 {
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122 imported_T *imp = ((imported_T *)si->sn_imports.ga_data) + idx;
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123
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124 vim_free(imp->imp_name);
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125 }
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126 ga_clear(&si->sn_imports);
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127 ga_clear(&si->sn_var_vals);
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128 ga_clear(&si->sn_type_list);
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129 }
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130
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131 /*
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132 * ":import Item from 'filename'"
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133 * ":import Item as Alias from 'filename'"
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134 * ":import {Item} from 'filename'".
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135 * ":import {Item as Alias} from 'filename'"
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136 * ":import {Item, Item} from 'filename'"
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137 * ":import {Item, Item as Alias} from 'filename'"
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138 *
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139 * ":import * as Name from 'filename'"
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140 */
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141 void
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142 ex_import(exarg_T *eap)
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143 {
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144 if (current_sctx.sc_version != SCRIPT_VERSION_VIM9)
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145 emsg(_(e_needs_vim9));
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146 else
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147 {
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148 char_u *cmd_end = handle_import(eap->arg, NULL,
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149 current_sctx.sc_sid, NULL);
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150
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151 if (cmd_end != NULL)
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152 eap->nextcmd = check_nextcmd(cmd_end);
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153 }
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154 }
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155
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156 /*
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157 * Find an exported item in "sid" matching the name at "*argp".
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158 * When it is a variable return the index.
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159 * When it is a user function return "*ufunc".
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160 * When not found returns -1 and "*ufunc" is NULL.
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161 */
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162 int
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163 find_exported(
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164 int sid,
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165 char_u **argp,
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166 int *name_len,
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167 ufunc_T **ufunc,
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168 type_T **type)
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169 {
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170 char_u *name = *argp;
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171 char_u *arg = *argp;
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172 int cc;
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173 int idx = -1;
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174 svar_T *sv;
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175 scriptitem_T *script = SCRIPT_ITEM(sid);
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176
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177 // isolate one name
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178 while (eval_isnamec(*arg))
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179 ++arg;
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180 *name_len = (int)(arg - name);
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181
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182 // find name in "script"
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183 // TODO: also find script-local user function
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184 cc = *arg;
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185 *arg = NUL;
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186 idx = get_script_item_idx(sid, name, FALSE);
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187 if (idx >= 0)
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188 {
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189 sv = ((svar_T *)script->sn_var_vals.ga_data) + idx;
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190 if (!sv->sv_export)
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191 {
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192 semsg(_("E1049: Item not exported in script: %s"), name);
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193 *arg = cc;
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194 return -1;
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195 }
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196 *type = sv->sv_type;
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197 *ufunc = NULL;
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198 }
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199 else
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200 {
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201 char_u buffer[200];
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202 char_u *funcname;
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203
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204 // it could be a user function.
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205 if (STRLEN(name) < sizeof(buffer) - 10)
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206 funcname = buffer;
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207 else
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208 {
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209 funcname = alloc(STRLEN(name) + 10);
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210 if (funcname == NULL)
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211 {
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212 *arg = cc;
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213 return -1;
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214 }
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215 }
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216 funcname[0] = K_SPECIAL;
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217 funcname[1] = KS_EXTRA;
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218 funcname[2] = (int)KE_SNR;
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219 sprintf((char *)funcname + 3, "%ld_%s", (long)sid, name);
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220 *ufunc = find_func(funcname, NULL);
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221 if (funcname != buffer)
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222 vim_free(funcname);
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223
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224 if (*ufunc == NULL)
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225 {
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226 semsg(_("E1048: Item not found in script: %s"), name);
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227 *arg = cc;
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228 return -1;
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229 }
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230 }
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231 *arg = cc;
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232 arg = skipwhite(arg);
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233 *argp = arg;
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234
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235 return idx;
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236 }
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237
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238 /*
19181
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239 * Handle an ":import" command and add the resulting imported_T to "gap", when
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240 * not NULL, or script "import_sid" sn_imports.
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241 * Returns a pointer to after the command or NULL in case of failure
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242 */
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243 char_u *
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244 handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
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245 {
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246 char_u *arg = arg_start;
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247 char_u *cmd_end;
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248 char_u *as_ptr = NULL;
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249 char_u *from_ptr;
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250 int as_len = 0;
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251 int ret = FAIL;
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252 typval_T tv;
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253 int sid = -1;
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254 int res;
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255
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256 if (*arg == '{')
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257 {
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258 // skip over {item} list
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259 while (*arg != NUL && *arg != '}')
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diff changeset
260 ++arg;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
261 if (*arg == '}')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
262 arg = skipwhite(arg + 1);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
263 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
264 else
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
265 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
266 if (*arg == '*')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
267 arg = skipwhite(arg + 1);
19511
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
268 else if (eval_isnamec1(*arg))
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
269 {
19511
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
270 while (eval_isnamec(*arg))
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
271 ++arg;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
272 arg = skipwhite(arg);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
273 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
274 if (STRNCMP("as", arg, 2) == 0 && VIM_ISWHITE(arg[2]))
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
275 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
276 // skip over "as Name "
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
277 arg = skipwhite(arg + 2);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
278 as_ptr = arg;
19511
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
279 if (eval_isnamec1(*arg))
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
280 while (eval_isnamec(*arg))
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
281 ++arg;
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
282 as_len = (int)(arg - as_ptr);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
283 arg = skipwhite(arg);
19623
2fee087c94cb patch 8.2.0368: Vim9: import that redefines local variable does not fail
Bram Moolenaar <Bram@vim.org>
parents: 19511
diff changeset
284 if (check_defined(as_ptr, as_len, cctx) == FAIL)
2fee087c94cb patch 8.2.0368: Vim9: import that redefines local variable does not fail
Bram Moolenaar <Bram@vim.org>
parents: 19511
diff changeset
285 return NULL;
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
286 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
287 else if (*arg_start == '*')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
288 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
289 emsg(_("E1045: Missing \"as\" after *"));
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
290 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
291 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
292 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
293 if (STRNCMP("from", arg, 4) != 0 || !VIM_ISWHITE(arg[4]))
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
294 {
19511
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
295 emsg(_("E1070: Missing \"from\""));
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
296 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
297 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
298 from_ptr = arg;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
299 arg = skipwhite(arg + 4);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
300 tv.v_type = VAR_UNKNOWN;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
301 // TODO: should we accept any expression?
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
302 if (*arg == '\'')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
303 ret = get_lit_string_tv(&arg, &tv, TRUE);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
304 else if (*arg == '"')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
305 ret = get_string_tv(&arg, &tv, TRUE);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
306 if (ret == FAIL || tv.vval.v_string == NULL || *tv.vval.v_string == NUL)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
307 {
19511
7e76d5fba19f patch 8.2.0313: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19509
diff changeset
308 emsg(_("E1071: Invalid string after \"from\""));
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
309 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
310 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
311 cmd_end = arg;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
312
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
313 // find script tv.vval.v_string
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
314 if (*tv.vval.v_string == '.')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
315 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
316 size_t len;
19191
133ef7ba4e4e patch 8.2.0154: reallocating the list of scripts is inefficient
Bram Moolenaar <Bram@vim.org>
parents: 19181
diff changeset
317 scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
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parents:
diff changeset
318 char_u *tail = gettail(si->sn_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
319 char_u *from_name;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
320
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
321 // Relative to current script: "./name.vim", "../../name.vim".
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
322 len = STRLEN(si->sn_name) - STRLEN(tail) + STRLEN(tv.vval.v_string) + 2;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
323 from_name = alloc((int)len);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
324 if (from_name == NULL)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
325 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
326 clear_tv(&tv);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
327 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
328 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
329 vim_strncpy(from_name, si->sn_name, tail - si->sn_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
330 add_pathsep(from_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
331 STRCAT(from_name, tv.vval.v_string);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
332 simplify_filename(from_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
333
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
334 res = do_source(from_name, FALSE, DOSO_NONE, &sid);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
335 vim_free(from_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
336 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
337 else if (mch_isFullName(tv.vval.v_string))
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
338 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
339 // Absolute path: "/tmp/name.vim"
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
340 res = do_source(tv.vval.v_string, FALSE, DOSO_NONE, &sid);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
341 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
342 else
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
343 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
344 size_t len = 7 + STRLEN(tv.vval.v_string) + 1;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
345 char_u *from_name;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
346
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
347 // Find file in "import" subdirs in 'runtimepath'.
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
348 from_name = alloc((int)len);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
349 if (from_name == NULL)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
350 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
351 clear_tv(&tv);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
352 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
353 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
354 vim_snprintf((char *)from_name, len, "import/%s", tv.vval.v_string);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
355 res = source_in_path(p_rtp, from_name, DIP_NOAFTER, &sid);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
356 vim_free(from_name);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
357 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
358
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
359 if (res == FAIL || sid <= 0)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
360 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
361 semsg(_("E1053: Could not import \"%s\""), tv.vval.v_string);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
362 clear_tv(&tv);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
363 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
364 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
365 clear_tv(&tv);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
366
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
367 if (*arg_start == '*')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
368 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
369 imported_T *imported = new_imported(gap != NULL ? gap
19191
133ef7ba4e4e patch 8.2.0154: reallocating the list of scripts is inefficient
Bram Moolenaar <Bram@vim.org>
parents: 19181
diff changeset
370 : &SCRIPT_ITEM(import_sid)->sn_imports);
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
371
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
372 if (imported == NULL)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
373 return NULL;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
374 imported->imp_name = vim_strnsave(as_ptr, as_len);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
375 imported->imp_sid = sid;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
376 imported->imp_all = TRUE;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
377 }
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
378 else
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
379 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
380 arg = arg_start;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
381 if (*arg == '{')
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
382 arg = skipwhite(arg + 1);
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
383 for (;;)
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
384 {
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
385 char_u *name = arg;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
386 int name_len;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
387 int idx;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
388 imported_T *imported;
19509
17f0d6dc6a73 patch 8.2.0312: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19227
diff changeset
389 ufunc_T *ufunc = NULL;
17f0d6dc6a73 patch 8.2.0312: Vim9: insufficient script tests
Bram Moolenaar <Bram@vim.org>
parents: 19227
diff changeset
390 type_T *type;
19181
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391
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392 idx = find_exported(sid, &arg, &name_len, &ufunc, &type);
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393
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394 if (idx < 0 && ufunc == NULL)
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395 return NULL;
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396
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397 if (check_defined(name, name_len, cctx) == FAIL)
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398 return NULL;
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399
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400 imported = new_imported(gap != NULL ? gap
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401 : &SCRIPT_ITEM(import_sid)->sn_imports);
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402 if (imported == NULL)
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403 return NULL;
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404
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405 // TODO: check for "as" following
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406 // imported->imp_name = vim_strnsave(as_ptr, as_len);
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407 imported->imp_name = vim_strnsave(name, name_len);
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408 imported->imp_sid = sid;
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409 if (idx >= 0)
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410 {
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411 imported->imp_type = type;
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412 imported->imp_var_vals_idx = idx;
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413 }
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414 else
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415 imported->imp_funcname = ufunc->uf_name;
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416
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417 arg = skipwhite(arg);
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418 if (*arg_start != '{')
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419 break;
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
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420 if (*arg == '}')
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421 {
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422 arg = skipwhite(arg + 1);
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423 break;
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424 }
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425
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426 if (*arg != ',')
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427 {
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428 emsg(_("E1046: Missing comma in import"));
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429 return NULL;
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430 }
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431 arg = skipwhite(arg + 1);
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432 }
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433 if (arg != from_ptr)
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434 {
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435 // cannot happen, just in case the above has a flaw
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436 emsg(_("E1047: syntax error in import"));
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437 return NULL;
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438 }
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439 }
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440 return cmd_end;
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441 }
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442
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443 #endif // FEAT_EVAL