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annotate src/json.c @ 15446:8ac454818352 v8.1.0731

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patch 8.1.0731: JS encoding does not handle negative infinity commit https://github.com/vim/vim/commit/5f6b379ff3e34297d171635933f907ec80ed4f05 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 12 14:24:27 2019 +0100 patch 8.1.0731: JS encoding does not handle negative infinity Problem: JS encoding does not handle negative infinity. Solution: Add support for negative infinity for JS encoding. (Dominique Pelle, closes #3792)
author Bram Moolenaar <Bram@vim.org>
date Sat, 12 Jan 2019 14:30:06 +0100
parents de63593896b3
children 1d2b5c016f17
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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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10 /*
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11 * json.c: Encoding and decoding JSON.
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12 *
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13 * Follows this standard: https://tools.ietf.org/html/rfc7159.html
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14 */
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15 #define USING_FLOAT_STUFF
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17 #include "vim.h"
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19 #if defined(FEAT_EVAL) || defined(PROTO)
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20
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21 static int json_encode_item(garray_T *gap, typval_T *val, int copyID, int options);
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23 /*
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24 * Encode "val" into a JSON format string.
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25 * The result is added to "gap"
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26 * Returns FAIL on failure and makes gap->ga_data empty.
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27 */
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28 static int
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29 json_encode_gap(garray_T *gap, typval_T *val, int options)
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30 {
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31 if (json_encode_item(gap, val, get_copyID(), options) == FAIL)
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32 {
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33 ga_clear(gap);
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34 gap->ga_data = vim_strsave((char_u *)"");
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35 return FAIL;
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36 }
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37 return OK;
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38 }
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39
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40 /*
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41 * Encode "val" into a JSON format string.
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42 * The result is in allocated memory.
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43 * The result is empty when encoding fails.
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44 * "options" can contain JSON_JS, JSON_NO_NONE and JSON_NL.
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45 */
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46 char_u *
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47 json_encode(typval_T *val, int options)
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48 {
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49 garray_T ga;
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51 /* Store bytes in the growarray. */
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52 ga_init2(&ga, 1, 4000);
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53 json_encode_gap(&ga, val, options);
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54 return ga.ga_data;
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55 }
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56
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57 /*
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58 * Encode ["nr", "val"] into a JSON format string in allocated memory.
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59 * "options" can contain JSON_JS, JSON_NO_NONE and JSON_NL.
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60 * Returns NULL when out of memory.
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61 */
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62 char_u *
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63 json_encode_nr_expr(int nr, typval_T *val, int options)
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64 {
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65 typval_T listtv;
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66 typval_T nrtv;
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67 garray_T ga;
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69 nrtv.v_type = VAR_NUMBER;
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70 nrtv.vval.v_number = nr;
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71 if (rettv_list_alloc(&listtv) == FAIL)
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72 return NULL;
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73 if (list_append_tv(listtv.vval.v_list, &nrtv) == FAIL
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74 || list_append_tv(listtv.vval.v_list, val) == FAIL)
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75 {
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76 list_unref(listtv.vval.v_list);
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77 return NULL;
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78 }
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79
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80 ga_init2(&ga, 1, 4000);
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81 if (json_encode_gap(&ga, &listtv, options) == OK && (options & JSON_NL))
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82 ga_append(&ga, '\n');
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83 list_unref(listtv.vval.v_list);
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84 return ga.ga_data;
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85 }
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86
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87 static void
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88 write_string(garray_T *gap, char_u *str)
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89 {
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90 char_u *res = str;
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91 char_u numbuf[NUMBUFLEN];
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93 if (res == NULL)
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94 ga_concat(gap, (char_u *)"\"\"");
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95 else
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96 {
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97 #if defined(FEAT_MBYTE) && defined(USE_ICONV)
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98 vimconv_T conv;
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99 char_u *converted = NULL;
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100
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101 if (!enc_utf8)
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102 {
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103 /* Convert the text from 'encoding' to utf-8, the JSON string is
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104 * always utf-8. */
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105 conv.vc_type = CONV_NONE;
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106 convert_setup(&conv, p_enc, (char_u*)"utf-8");
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107 if (conv.vc_type != CONV_NONE)
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108 converted = res = string_convert(&conv, res, NULL);
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109 convert_setup(&conv, NULL, NULL);
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110 }
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111 #endif
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112 ga_append(gap, '"');
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113 while (*res != NUL)
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114 {
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115 int c;
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116 #ifdef FEAT_MBYTE
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117 /* always use utf-8 encoding, ignore 'encoding' */
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118 c = utf_ptr2char(res);
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119 #else
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120 c = *res;
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121 #endif
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122
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123 switch (c)
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124 {
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125 case 0x08:
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126 ga_append(gap, '\\'); ga_append(gap, 'b'); break;
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127 case 0x09:
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128 ga_append(gap, '\\'); ga_append(gap, 't'); break;
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129 case 0x0a:
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130 ga_append(gap, '\\'); ga_append(gap, 'n'); break;
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131 case 0x0c:
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132 ga_append(gap, '\\'); ga_append(gap, 'f'); break;
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133 case 0x0d:
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134 ga_append(gap, '\\'); ga_append(gap, 'r'); break;
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135 case 0x22: /* " */
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136 case 0x5c: /* \ */
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137 ga_append(gap, '\\');
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138 ga_append(gap, c);
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139 break;
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140 default:
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141 if (c >= 0x20)
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142 {
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143 #ifdef FEAT_MBYTE
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144 numbuf[utf_char2bytes(c, numbuf)] = NUL;
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145 #else
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146 numbuf[0] = c;
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147 numbuf[1] = NUL;
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148 #endif
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149 ga_concat(gap, numbuf);
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150 }
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151 else
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152 {
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153 vim_snprintf((char *)numbuf, NUMBUFLEN,
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154 "\\u%04lx", (long)c);
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155 ga_concat(gap, numbuf);
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156 }
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157 }
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158 #ifdef FEAT_MBYTE
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159 res += utf_ptr2len(res);
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160 #else
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161 ++res;
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162 #endif
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163 }
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164 ga_append(gap, '"');
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165 #if defined(FEAT_MBYTE) && defined(USE_ICONV)
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166 vim_free(converted);
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167 #endif
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168 }
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169 }
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170
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171 /*
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172 * Return TRUE if "key" can be used without quotes.
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173 * That is when it starts with a letter and only contains letters, digits and
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174 * underscore.
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175 */
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176 static int
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177 is_simple_key(char_u *key)
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178 {
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179 char_u *p;
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180
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181 if (!ASCII_ISALPHA(*key))
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182 return FALSE;
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183 for (p = key + 1; *p != NUL; ++p)
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184 if (!ASCII_ISALPHA(*p) && *p != '_' && !vim_isdigit(*p))
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185 return FALSE;
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186 return TRUE;
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187 }
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188
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189 /*
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190 * Encode "val" into "gap".
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191 * Return FAIL or OK.
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192 */
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193 static int
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194 json_encode_item(garray_T *gap, typval_T *val, int copyID, int options)
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195 {
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196 char_u numbuf[NUMBUFLEN];
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197 char_u *res;
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198 list_T *l;
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199 dict_T *d;
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200
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201 switch (val->v_type)
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202 {
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203 case VAR_SPECIAL:
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204 switch (val->vval.v_number)
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205 {
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206 case VVAL_FALSE: ga_concat(gap, (char_u *)"false"); break;
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207 case VVAL_TRUE: ga_concat(gap, (char_u *)"true"); break;
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208 case VVAL_NONE: if ((options & JSON_JS) != 0
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209 && (options & JSON_NO_NONE) == 0)
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210 /* empty item */
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211 break;
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212 /* FALLTHROUGH */
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213 case VVAL_NULL: ga_concat(gap, (char_u *)"null"); break;
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214 }
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215 break;
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216
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217 case VAR_NUMBER:
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218 vim_snprintf((char *)numbuf, NUMBUFLEN, "%lld",
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219 (long long)val->vval.v_number);
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220 ga_concat(gap, numbuf);
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221 break;
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222
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223 case VAR_STRING:
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224 res = val->vval.v_string;
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225 write_string(gap, res);
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226 break;
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227
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228 case VAR_FUNC:
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229 case VAR_PARTIAL:
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230 case VAR_JOB:
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231 case VAR_CHANNEL:
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232 /* no JSON equivalent TODO: better error */
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233 EMSG(_(e_invarg));
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234 return FAIL;
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235
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236 case VAR_LIST:
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237 l = val->vval.v_list;
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238 if (l == NULL)
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239 ga_concat(gap, (char_u *)"[]");
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240 else
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241 {
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242 if (l->lv_copyID == copyID)
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243 ga_concat(gap, (char_u *)"[]");
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244 else
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245 {
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246 listitem_T *li;
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247
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248 l->lv_copyID = copyID;
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249 ga_append(gap, '[');
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250 for (li = l->lv_first; li != NULL && !got_int; )
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251 {
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252 if (json_encode_item(gap, &li->li_tv, copyID,
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253 options & JSON_JS) == FAIL)
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254 return FAIL;
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255 if ((options & JSON_JS)
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256 && li->li_next == NULL
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257 && li->li_tv.v_type == VAR_SPECIAL
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258 && li->li_tv.vval.v_number == VVAL_NONE)
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259 /* add an extra comma if the last item is v:none */
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260 ga_append(gap, ',');
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261 li = li->li_next;
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262 if (li != NULL)
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263 ga_append(gap, ',');
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264 }
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265 ga_append(gap, ']');
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266 l->lv_copyID = 0;
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267 }
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268 }
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269 break;
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270
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271 case VAR_DICT:
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272 d = val->vval.v_dict;
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273 if (d == NULL)
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274 ga_concat(gap, (char_u *)"{}");
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275 else
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276 {
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277 if (d->dv_copyID == copyID)
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278 ga_concat(gap, (char_u *)"{}");
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279 else
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280 {
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281 int first = TRUE;
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282 int todo = (int)d->dv_hashtab.ht_used;
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283 hashitem_T *hi;
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284
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285 d->dv_copyID = copyID;
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286 ga_append(gap, '{');
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287
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288 for (hi = d->dv_hashtab.ht_array; todo > 0 && !got_int;
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289 ++hi)
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290 if (!HASHITEM_EMPTY(hi))
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291 {
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292 --todo;
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293 if (first)
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294 first = FALSE;
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295 else
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296 ga_append(gap, ',');
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297 if ((options & JSON_JS)
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298 && is_simple_key(hi->hi_key))
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299 ga_concat(gap, hi->hi_key);
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300 else
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diff changeset
301 write_string(gap, hi->hi_key);
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302 ga_append(gap, ':');
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303 if (json_encode_item(gap, &dict_lookup(hi)->di_tv,
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diff changeset
304 copyID, options | JSON_NO_NONE) == FAIL)
7736
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305 return FAIL;
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306 }
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307 ga_append(gap, '}');
7736
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308 d->dv_copyID = 0;
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diff changeset
309 }
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310 }
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311 break;
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312
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313 case VAR_FLOAT:
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314 #ifdef FEAT_FLOAT
8228
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315 # if defined(HAVE_MATH_H)
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316 if (isnan(val->vval.v_float))
8228
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317 ga_concat(gap, (char_u *)"NaN");
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318 else if (isinf(val->vval.v_float))
15446
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319 {
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320 if (val->vval.v_float < 0.0)
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diff changeset
321 ga_concat(gap, (char_u *)"-Infinity");
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322 else
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323 ga_concat(gap, (char_u *)"Infinity");
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diff changeset
324 }
8228
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325 else
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326 # endif
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parents: 8146
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327 {
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328 vim_snprintf((char *)numbuf, NUMBUFLEN, "%g",
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329 val->vval.v_float);
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330 ga_concat(gap, numbuf);
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331 }
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332 break;
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333 #endif
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334 case VAR_UNKNOWN:
10359
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335 internal_error("json_encode_item()");
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336 return FAIL;
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337 }
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338 return OK;
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339 }
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340
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341 /*
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342 * When "reader" has less than NUMBUFLEN bytes available, call the fill
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343 * callback to get more.
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344 */
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345 static void
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346 fill_numbuflen(js_read_T *reader)
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347 {
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348 if (reader->js_fill != NULL && (int)(reader->js_end - reader->js_buf)
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349 - reader->js_used < NUMBUFLEN)
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350 {
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351 if (reader->js_fill(reader))
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352 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
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diff changeset
353 }
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diff changeset
354 }
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diff changeset
355
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diff changeset
356 /*
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357 * Skip white space in "reader". All characters <= space are considered white
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358 * space.
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359 * Also tops up readahead when needed.
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diff changeset
360 */
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361 static void
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diff changeset
362 json_skip_white(js_read_T *reader)
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diff changeset
363 {
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diff changeset
364 int c;
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diff changeset
365
7883
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diff changeset
366 for (;;)
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367 {
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368 c = reader->js_buf[reader->js_used];
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369 if (reader->js_fill != NULL && c == NUL)
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diff changeset
370 {
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diff changeset
371 if (reader->js_fill(reader))
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diff changeset
372 {
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373 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
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diff changeset
374 continue;
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diff changeset
375 }
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376 }
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377 if (c == NUL || c > ' ')
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diff changeset
378 break;
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379 ++reader->js_used;
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diff changeset
380 }
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381 fill_numbuflen(reader);
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382 }
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383
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diff changeset
384 static int
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diff changeset
385 json_decode_string(js_read_T *reader, typval_T *res, int quote)
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diff changeset
386 {
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diff changeset
387 garray_T ga;
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diff changeset
388 int len;
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389 char_u *p;
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diff changeset
390 int c;
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diff changeset
391 varnumber_T nr;
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392
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diff changeset
393 if (res != NULL)
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394 ga_init2(&ga, 1, 200);
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395
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396 p = reader->js_buf + reader->js_used + 1; /* skip over " or ' */
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397 while (*p != quote)
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
398 {
8306
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
399 /* The JSON is always expected to be utf-8, thus use utf functions
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
400 * here. The string is converted below if needed. */
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
401 if (*p == NUL || p[1] == NUL
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
402 #ifdef FEAT_MBYTE
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
403 || utf_ptr2len(p) < utf_byte2len(*p)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
404 #endif
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
405 )
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
406 {
8306
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
407 /* Not enough bytes to make a character or end of the string. Get
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
408 * more if possible. */
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
409 if (reader->js_fill == NULL)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
410 break;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
411 len = (int)(reader->js_end - p);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
412 reader->js_used = (int)(p - reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
413 if (!reader->js_fill(reader))
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
414 break; /* didn't get more */
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
415 p = reader->js_buf + reader->js_used;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
416 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
417 continue;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
418 }
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
419
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
420 if (*p == '\\')
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
421 {
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
422 c = -1;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
423 switch (p[1])
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
424 {
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
425 case '\\': c = '\\'; break;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
426 case '"': c = '"'; break;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
427 case 'b': c = BS; break;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
428 case 't': c = TAB; break;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
429 case 'n': c = NL; break;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
430 case 'f': c = FF; break;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
431 case 'r': c = CAR; break;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
432 case 'u':
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
433 if (reader->js_fill != NULL
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
434 && (int)(reader->js_end - p) < NUMBUFLEN)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
435 {
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
436 reader->js_used = (int)(p - reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
437 if (reader->js_fill(reader))
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
438 {
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
439 p = reader->js_buf + reader->js_used;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
440 reader->js_end = reader->js_buf
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
441 + STRLEN(reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
442 }
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
443 }
8283
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
444 nr = 0;
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
445 len = 0;
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
446 vim_str2nr(p + 2, NULL, &len,
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
447 STR2NR_HEX + STR2NR_FORCE, &nr, NULL, 4);
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
448 p += len + 2;
8283
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
449 if (0xd800 <= nr && nr <= 0xdfff
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
450 && (int)(reader->js_end - p) >= 6
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
451 && *p == '\\' && *(p+1) == 'u')
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
452 {
9389
32e34e574716 commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
453 varnumber_T nr2 = 0;
8283
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
454
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
455 /* decode surrogate pair: \ud812\u3456 */
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
456 len = 0;
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
457 vim_str2nr(p + 2, NULL, &len,
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
458 STR2NR_HEX + STR2NR_FORCE, &nr2, NULL, 4);
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
459 if (0xdc00 <= nr2 && nr2 <= 0xdfff)
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
460 {
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
461 p += len + 2;
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
462 nr = (((nr - 0xd800) << 10) |
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
463 ((nr2 - 0xdc00) & 0x3ff)) + 0x10000;
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
464 }
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
465 }
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
466 if (res != NULL)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
467 {
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
468 #ifdef FEAT_MBYTE
8989
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8755
diff changeset
469 char_u buf[NUMBUFLEN];
8283
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
470 buf[utf_char2bytes((int)nr, buf)] = NUL;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
471 ga_concat(&ga, buf);
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
472 #else
9389
32e34e574716 commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
473 ga_append(&ga, (int)nr);
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
474 #endif
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
475 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
476 break;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
477 default:
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
478 /* not a special char, skip over \ */
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
479 ++p;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
480 continue;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
481 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
482 if (c > 0)
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
483 {
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
484 p += 2;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
485 if (res != NULL)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
486 ga_append(&ga, c);
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
487 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
488 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
489 else
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
490 {
8283
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
491 #ifdef FEAT_MBYTE
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
492 len = utf_ptr2len(p);
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
493 #else
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
494 len = 1;
b8a56d4d83e0 commit https://github.com/vim/vim/commit/b6ff81188d27fae774d9ad2dfb498f596d697d4b
Christian Brabandt <cb@256bit.org>
parents: 8275
diff changeset
495 #endif
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
496 if (res != NULL)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
497 {
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
498 if (ga_grow(&ga, len) == FAIL)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
499 {
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
500 ga_clear(&ga);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
501 return FAIL;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
502 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
503 mch_memmove((char *)ga.ga_data + ga.ga_len, p, (size_t)len);
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
504 ga.ga_len += len;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
505 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
506 p += len;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
507 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
508 }
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
509
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
510 reader->js_used = (int)(p - reader->js_buf);
10563
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
511 if (*p == quote)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
512 {
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
513 ++reader->js_used;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
514 if (res != NULL)
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
515 {
8308
c1f29c1a968a commit https://github.com/vim/vim/commit/80e78847395b5c8ada7861674774d81bd0a42789
Christian Brabandt <cb@256bit.org>
parents: 8306
diff changeset
516 ga_append(&ga, NUL);
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
517 res->v_type = VAR_STRING;
8306
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
518 #if defined(FEAT_MBYTE) && defined(USE_ICONV)
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
519 if (!enc_utf8)
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
520 {
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
521 vimconv_T conv;
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
522
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
523 /* Convert the utf-8 string to 'encoding'. */
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
524 conv.vc_type = CONV_NONE;
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
525 convert_setup(&conv, (char_u*)"utf-8", p_enc);
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
526 if (conv.vc_type != CONV_NONE)
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
527 {
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
528 res->vval.v_string =
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
529 string_convert(&conv, ga.ga_data, NULL);
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
530 vim_free(ga.ga_data);
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
531 }
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
532 convert_setup(&conv, NULL, NULL);
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
533 }
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
534 else
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
535 #endif
7fcf3f6020c1 commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319
Christian Brabandt <cb@256bit.org>
parents: 8304
diff changeset
536 res->vval.v_string = ga.ga_data;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
537 }
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
538 return OK;
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
539 }
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
540 if (res != NULL)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
541 {
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
542 res->v_type = VAR_SPECIAL;
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
543 res->vval.v_number = VVAL_NONE;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
544 ga_clear(&ga);
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
545 }
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
546 return MAYBE;
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
547 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
548
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
549 typedef enum {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
550 JSON_ARRAY, /* parsing items in an array */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
551 JSON_OBJECT_KEY, /* parsing key of an object */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
552 JSON_OBJECT /* parsing item in an object, after the key */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
553 } json_decode_T;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
554
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
555 typedef struct {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
556 json_decode_T jd_type;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
557 typval_T jd_tv; /* the list or dict */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
558 typval_T jd_key_tv;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
559 char_u *jd_key;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
560 } json_dec_item_T;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
561
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
562 /*
7883
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Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
563 * Decode one item and put it in "res". If "res" is NULL only advance.
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
564 * Must already have skipped white space.
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
565 *
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
566 * Return FAIL for a decoding error (and give an error).
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
567 * Return MAYBE for an incomplete message.
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
568 */
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
569 static int
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
570 json_decode_item(js_read_T *reader, typval_T *res, int options)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
571 {
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
572 char_u *p;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
573 int len;
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
574 int retval;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
575 garray_T stack;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
576 typval_T item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
577 typval_T *cur_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
578 json_dec_item_T *top_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
579 char_u key_buf[NUMBUFLEN];
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
580
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
581 ga_init2(&stack, sizeof(json_dec_item_T), 100);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
582 cur_item = res;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
583 init_tv(&item);
10561
e025378406d1 patch 8.0.0170: crash in channel test
Christian Brabandt <cb@256bit.org>
parents: 10559
diff changeset
584 if (res != NULL)
e025378406d1 patch 8.0.0170: crash in channel test
Christian Brabandt <cb@256bit.org>
parents: 10559
diff changeset
585 init_tv(res);
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
586
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
587 fill_numbuflen(reader);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
588 p = reader->js_buf + reader->js_used;
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
589 for (;;)
7712
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
590 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
591 top_item = NULL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
592 if (stack.ga_len > 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
593 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
594 top_item = ((json_dec_item_T *)stack.ga_data) + stack.ga_len - 1;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
595 json_skip_white(reader);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
596 p = reader->js_buf + reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
597 if (*p == NUL)
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
598 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
599 retval = MAYBE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
600 if (top_item->jd_type == JSON_OBJECT)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
601 /* did get the key, clear it */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
602 clear_tv(&top_item->jd_key_tv);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
603 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
604 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
605 if (top_item->jd_type == JSON_OBJECT_KEY
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
606 || top_item->jd_type == JSON_ARRAY)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
607 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
608 /* Check for end of object or array. */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
609 if (*p == (top_item->jd_type == JSON_ARRAY ? ']' : '}'))
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
610 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
611 ++reader->js_used; /* consume the ']' or '}' */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
612 --stack.ga_len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
613 if (stack.ga_len == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
614 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
615 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
616 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
617 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
618 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
619 cur_item = &top_item->jd_tv;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
620 goto item_end;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
621 }
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
622 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
623 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
624
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
625 if (top_item != NULL && top_item->jd_type == JSON_OBJECT_KEY
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
626 && (options & JSON_JS)
10563
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
627 && reader->js_buf[reader->js_used] != '"'
13456
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
628 && reader->js_buf[reader->js_used] != '\''
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
629 && reader->js_buf[reader->js_used] != '['
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
630 && reader->js_buf[reader->js_used] != '{')
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
631 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
632 char_u *key;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
633
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
634 /* accept an object key that is not in quotes */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
635 key = p = reader->js_buf + reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
636 while (*p != NUL && *p != ':' && *p > ' ')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
637 ++p;
10652
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
638 if (cur_item != NULL)
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
639 {
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
640 cur_item->v_type = VAR_STRING;
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
641 cur_item->vval.v_string = vim_strnsave(key, (int)(p - key));
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
642 top_item->jd_key = cur_item->vval.v_string;
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
643 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
644 reader->js_used += (int)(p - key);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
645 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
646 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
647 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
648 switch (*p)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
649 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
650 case '[': /* start of array */
13456
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
651 if (top_item && top_item->jd_type == JSON_OBJECT_KEY)
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
652 {
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
653 retval = FAIL;
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
654 break;
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
655 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
656 if (ga_grow(&stack, 1) == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
657 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
658 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
659 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
660 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
661 if (cur_item != NULL && rettv_list_alloc(cur_item) == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
662 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
663 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
664 cur_item->vval.v_number = VVAL_NONE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
665 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
666 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
667 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
668
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
669 ++reader->js_used; /* consume the '[' */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
670 top_item = ((json_dec_item_T *)stack.ga_data)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
671 + stack.ga_len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
672 top_item->jd_type = JSON_ARRAY;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
673 ++stack.ga_len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
674 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
675 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
676 top_item->jd_tv = *cur_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
677 cur_item = &item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
678 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
679 continue;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
680
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
681 case '{': /* start of object */
13456
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
682 if (top_item && top_item->jd_type == JSON_OBJECT_KEY)
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
683 {
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
684 retval = FAIL;
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
685 break;
7495e3ee1a69 patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents: 13031
diff changeset
686 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
687 if (ga_grow(&stack, 1) == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
688 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
689 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
690 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
691 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
692 if (cur_item != NULL && rettv_dict_alloc(cur_item) == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
693 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
694 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
695 cur_item->vval.v_number = VVAL_NONE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
696 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
697 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
698 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
699
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
700 ++reader->js_used; /* consume the '{' */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
701 top_item = ((json_dec_item_T *)stack.ga_data)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
702 + stack.ga_len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
703 top_item->jd_type = JSON_OBJECT_KEY;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
704 ++stack.ga_len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
705 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
706 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
707 top_item->jd_tv = *cur_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
708 cur_item = &top_item->jd_key_tv;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
709 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
710 continue;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
711
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
712 case '"': /* string */
10563
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
713 retval = json_decode_string(reader, cur_item, *p);
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
714 break;
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
715
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
716 case '\'':
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
717 if (options & JSON_JS)
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
718 retval = json_decode_string(reader, cur_item, *p);
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
719 else
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
720 {
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
721 EMSG(_(e_invarg));
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
722 retval = FAIL;
bac9cec298ed patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents: 10561
diff changeset
723 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
724 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
725
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
726 case ',': /* comma: empty item */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
727 if ((options & JSON_JS) == 0)
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
728 {
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
729 EMSG(_(e_invarg));
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
730 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
731 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
732 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
733 /* FALLTHROUGH */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
734 case NUL: /* empty */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
735 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
736 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
737 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
738 cur_item->vval.v_number = VVAL_NONE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
739 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
740 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
741 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
742
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
743 default:
15446
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
744 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(p[1])))
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
745 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
746 #ifdef FEAT_FLOAT
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
747 char_u *sp = p;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
748
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
749 if (*sp == '-')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
750 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
751 ++sp;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
752 if (*sp == NUL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
753 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
754 retval = MAYBE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
755 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
756 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
757 if (!VIM_ISDIGIT(*sp))
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
758 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
759 EMSG(_(e_invarg));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
760 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
761 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
762 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
763 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
764 sp = skipdigits(sp);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
765 if (*sp == '.' || *sp == 'e' || *sp == 'E')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
766 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
767 if (cur_item == NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
768 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
769 float_T f;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
770
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
771 len = string2float(p, &f);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
772 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
773 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
774 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
775 cur_item->v_type = VAR_FLOAT;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
776 len = string2float(p, &cur_item->vval.v_float);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
777 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
778 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
779 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
780 #endif
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
781 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
782 varnumber_T nr;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
783
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
784 vim_str2nr(reader->js_buf + reader->js_used,
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
785 NULL, &len, 0, /* what */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
786 &nr, NULL, 0);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
787 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
788 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
789 cur_item->v_type = VAR_NUMBER;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
790 cur_item->vval.v_number = nr;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
791 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
792 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
793 reader->js_used += len;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
794 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
795 break;
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
796 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
797 if (STRNICMP((char *)p, "false", 5) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
798 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
799 reader->js_used += 5;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
800 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
801 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
802 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
803 cur_item->vval.v_number = VVAL_FALSE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
804 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
805 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
806 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
807 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
808 if (STRNICMP((char *)p, "true", 4) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
809 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
810 reader->js_used += 4;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
811 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
812 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
813 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
814 cur_item->vval.v_number = VVAL_TRUE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
815 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
816 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
817 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
818 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
819 if (STRNICMP((char *)p, "null", 4) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
820 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
821 reader->js_used += 4;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
822 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
823 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
824 cur_item->v_type = VAR_SPECIAL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
825 cur_item->vval.v_number = VVAL_NULL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
826 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
827 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
828 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
829 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
830 #ifdef FEAT_FLOAT
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
831 if (STRNICMP((char *)p, "NaN", 3) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
832 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
833 reader->js_used += 3;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
834 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
835 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
836 cur_item->v_type = VAR_FLOAT;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
837 cur_item->vval.v_float = NAN;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
838 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
839 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
840 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
841 }
15446
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
842 if (STRNICMP((char *)p, "-Infinity", 9) == 0)
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
843 {
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
844 reader->js_used += 9;
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
845 if (cur_item != NULL)
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
846 {
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
847 cur_item->v_type = VAR_FLOAT;
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
848 cur_item->vval.v_float = -INFINITY;
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
849 }
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
850 retval = OK;
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
851 break;
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
852 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
853 if (STRNICMP((char *)p, "Infinity", 8) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
854 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
855 reader->js_used += 8;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
856 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
857 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
858 cur_item->v_type = VAR_FLOAT;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
859 cur_item->vval.v_float = INFINITY;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
860 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
861 retval = OK;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
862 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
863 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
864 #endif
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
865 /* check for truncated name */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
866 len = (int)(reader->js_end - (reader->js_buf + reader->js_used));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
867 if (
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
868 (len < 5 && STRNICMP((char *)p, "false", len) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
869 #ifdef FEAT_FLOAT
15446
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
870 || (len < 9 && STRNICMP((char *)p, "-Infinity", len) == 0)
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
871 || (len < 8 && STRNICMP((char *)p, "Infinity", len) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
872 || (len < 3 && STRNICMP((char *)p, "NaN", len) == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
873 #endif
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
874 || (len < 4 && (STRNICMP((char *)p, "true", len) == 0
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
875 || STRNICMP((char *)p, "null", len) == 0)))
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
876
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
877 retval = MAYBE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
878 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
879 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
880 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
881 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
882
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
883 /* We are finished when retval is FAIL or MAYBE and when at the
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
884 * toplevel. */
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
885 if (retval == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
886 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
887 if (retval == MAYBE || stack.ga_len == 0)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
888 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
889
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
890 if (top_item != NULL && top_item->jd_type == JSON_OBJECT_KEY
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
891 && cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
892 {
15211
de63593896b3 patch 8.1.0615: get_tv function names are not consistent
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
893 top_item->jd_key = tv_get_string_buf_chk(cur_item, key_buf);
10839
287049007bbc patch 8.0.0309: cannot use an empty key in json
Christian Brabandt <cb@256bit.org>
parents: 10652
diff changeset
894 if (top_item->jd_key == NULL)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
895 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
896 clear_tv(cur_item);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
897 EMSG(_(e_invarg));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
898 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
899 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
900 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
901 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
902 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
903
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
904 item_end:
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
905 top_item = ((json_dec_item_T *)stack.ga_data) + stack.ga_len - 1;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
906 switch (top_item->jd_type)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
907 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
908 case JSON_ARRAY:
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
909 if (res != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
910 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
911 listitem_T *li = listitem_alloc();
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
912
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
913 if (li == NULL)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
914 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
915 clear_tv(cur_item);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
916 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
917 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
918 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
919 li->li_tv = *cur_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
920 list_append(top_item->jd_tv.vval.v_list, li);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
921 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
922 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
923 cur_item = &item;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
924
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
925 json_skip_white(reader);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
926 p = reader->js_buf + reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
927 if (*p == ',')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
928 ++reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
929 else if (*p != ']')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
930 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
931 if (*p == NUL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
932 retval = MAYBE;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
933 else
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
934 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
935 EMSG(_(e_invarg));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
936 retval = FAIL;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
937 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
938 goto theend;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
939 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
940 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
941
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
942 case JSON_OBJECT_KEY:
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
943 json_skip_white(reader);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
944 p = reader->js_buf + reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
945 if (*p != ':')
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
946 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
947 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
948 clear_tv(cur_item);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
949 if (*p == NUL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
950 retval = MAYBE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
951 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
952 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
953 EMSG(_(e_invarg));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
954 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
955 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
956 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
957 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
958 ++reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
959 json_skip_white(reader);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
960 top_item->jd_type = JSON_OBJECT;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
961 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
962 cur_item = &item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
963 break;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
964
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
965 case JSON_OBJECT:
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
966 if (cur_item != NULL
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
967 && dict_find(top_item->jd_tv.vval.v_dict,
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
968 top_item->jd_key, -1) != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
969 {
10581
dffda1f9b501 patch 8.0.0180: error E937 is used twice
Christian Brabandt <cb@256bit.org>
parents: 10563
diff changeset
970 EMSG2(_("E938: Duplicate key in JSON: \"%s\""),
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
971 top_item->jd_key);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
972 clear_tv(&top_item->jd_key_tv);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
973 clear_tv(cur_item);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
974 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
975 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
976 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
977
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
978 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
979 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
980 dictitem_T *di = dictitem_alloc(top_item->jd_key);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
981
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
982 clear_tv(&top_item->jd_key_tv);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
983 if (di == NULL)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
984 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
985 clear_tv(cur_item);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
986 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
987 goto theend;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
988 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
989 di->di_tv = *cur_item;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
990 di->di_tv.v_lock = 0;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
991 if (dict_add(top_item->jd_tv.vval.v_dict, di) == FAIL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
992 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
993 dictitem_free(di);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
994 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
995 goto theend;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
996 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
997 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
998
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
999 json_skip_white(reader);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1000 p = reader->js_buf + reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1001 if (*p == ',')
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1002 ++reader->js_used;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1003 else if (*p != '}')
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1004 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1005 if (*p == NUL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1006 retval = MAYBE;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1007 else
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1008 {
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1009 EMSG(_(e_invarg));
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1010 retval = FAIL;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1011 }
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1012 goto theend;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1013 }
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1014 top_item->jd_type = JSON_OBJECT_KEY;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1015 if (cur_item != NULL)
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1016 cur_item = &top_item->jd_key_tv;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1017 break;
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1018 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1019 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1020
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1021 /* Get here when parsing failed. */
10299
7b2f95633e28 commit https://github.com/vim/vim/commit/7756e7465d627ff9cd01e59625484a8c302ef853
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
1022 if (res != NULL)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1023 {
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1024 clear_tv(res);
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1025 res->v_type = VAR_SPECIAL;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1026 res->vval.v_number = VVAL_NONE;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1027 }
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1028 EMSG(_(e_invarg));
10559
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1029
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1030 theend:
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1031 ga_clear(&stack);
4d8be28b5913 patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents: 10553
diff changeset
1032 return retval;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1033 }
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1034
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1035 /*
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1036 * Decode the JSON from "reader" and store the result in "res".
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1037 * "options" can be JSON_JS or zero;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1038 * Return FAIL if not the whole message was consumed.
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1039 */
7868
17e6ff1a74f1 commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents: 7864
diff changeset
1040 int
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1041 json_decode_all(js_read_T *reader, typval_T *res, int options)
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1042 {
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1043 int ret;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1044
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1045 /* We find the end once, to avoid calling strlen() many times. */
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1046 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1047 json_skip_white(reader);
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1048 ret = json_decode_item(reader, res, options);
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1049 if (ret != OK)
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1050 {
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1051 if (ret == MAYBE)
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1052 EMSG(_(e_invarg));
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1053 return FAIL;
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1054 }
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1055 json_skip_white(reader);
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1056 if (reader->js_buf[reader->js_used] != NUL)
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1057 {
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1058 EMSG(_(e_trailing));
7868
17e6ff1a74f1 commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents: 7864
diff changeset
1059 return FAIL;
10553
f83b6a0b6148 patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1060 }
7868
17e6ff1a74f1 commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents: 7864
diff changeset
1061 return OK;
7712
bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1062 }
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1063
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1064 /*
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1065 * Decode the JSON from "reader" and store the result in "res".
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1066 * "options" can be JSON_JS or zero;
8655
1eb302bf2475 commit https://github.com/vim/vim/commit/ba61ac0d61f46de7d29c64bb0de6d25c2e378be0
Christian Brabandt <cb@256bit.org>
parents: 8538
diff changeset
1067 * Return FAIL for a decoding error.
1eb302bf2475 commit https://github.com/vim/vim/commit/ba61ac0d61f46de7d29c64bb0de6d25c2e378be0
Christian Brabandt <cb@256bit.org>
parents: 8538
diff changeset
1068 * Return MAYBE for an incomplete message.
1eb302bf2475 commit https://github.com/vim/vim/commit/ba61ac0d61f46de7d29c64bb0de6d25c2e378be0
Christian Brabandt <cb@256bit.org>
parents: 8538
diff changeset
1069 * Consumes the message anyway.
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1070 */
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1071 int
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1072 json_decode(js_read_T *reader, typval_T *res, int options)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1073 {
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1074 int ret;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1075
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1076 /* We find the end once, to avoid calling strlen() many times. */
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1077 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1078 json_skip_white(reader);
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1079 ret = json_decode_item(reader, res, options);
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1080 json_skip_white(reader);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1081
8655
1eb302bf2475 commit https://github.com/vim/vim/commit/ba61ac0d61f46de7d29c64bb0de6d25c2e378be0
Christian Brabandt <cb@256bit.org>
parents: 8538
diff changeset
1082 return ret;
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1083 }
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1084
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1085 /*
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1086 * Decode the JSON from "reader" to find the end of the message.
10652
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
1087 * "options" can be JSON_JS or zero.
bb4360d64eb2 patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents: 10581
diff changeset
1088 * This is only used for testing.
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1089 * Return FAIL if the message has a decoding error.
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1090 * Return MAYBE if the message is truncated, need to read more.
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1091 * This only works reliable if the message contains an object, array or
15446
8ac454818352 patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
1092 * string. A number might be truncated without knowing.
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1093 * Does not advance the reader.
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1094 */
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1095 int
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45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1096 json_find_end(js_read_T *reader, int options)
7883
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1097 {
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1098 int used_save = reader->js_used;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1099 int ret;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1100
7967
45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1101 /* We find the end once, to avoid calling strlen() many times. */
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98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1102 reader->js_end = reader->js_buf + STRLEN(reader->js_buf);
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1103 json_skip_white(reader);
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45ea5ebf3a98 commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents: 7965
diff changeset
1104 ret = json_decode_item(reader, NULL, options);
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98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1105 reader->js_used = used_save;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1106 return ret;
98a96e0ca73b commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents: 7868
diff changeset
1107 }
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bce3b5ddb393 commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1108 #endif