Mercurial > vim
annotate src/dict.c @ 9556:afaff1d283d3 v7.4.2055
commit https://github.com/vim/vim/commit/cd52459c387785796713826c63174cdeed295dd4
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jul 17 14:57:05 2016 +0200
patch 7.4.2055
Problem: eval.c is too big.
Solution: Move Dictionary functions to dict.c.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 17 Jul 2016 15:15:05 +0200 |
parents | |
children | 1e68dfd7931b |
rev | line source |
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9556
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commit https://github.com/vim/vim/commit/cd52459c387785796713826c63174cdeed295dd4
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1 /* vi:set ts=8 sts=4 sw=4: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 * See README.txt for an overview of the Vim source code. |
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8 */ |
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9 |
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10 /* |
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11 * dict.c: Dictionary support |
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12 */ |
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13 #define USING_FLOAT_STUFF |
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14 |
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15 #include "vim.h" |
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16 |
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17 #if defined(FEAT_EVAL) || defined(PROTO) |
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18 |
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19 /* List head for garbage collection. Although there can be a reference loop |
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20 * from partial to dict to partial, we don't need to keep track of the partial, |
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21 * since it will get freed when the dict is unused and gets freed. */ |
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22 static dict_T *first_dict = NULL; /* list of all dicts */ |
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23 |
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24 /* |
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25 * Allocate an empty header for a dictionary. |
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26 */ |
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27 dict_T * |
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28 dict_alloc(void) |
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29 { |
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30 dict_T *d; |
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31 |
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32 d = (dict_T *)alloc(sizeof(dict_T)); |
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33 if (d != NULL) |
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34 { |
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35 /* Add the dict to the list of dicts for garbage collection. */ |
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36 if (first_dict != NULL) |
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37 first_dict->dv_used_prev = d; |
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38 d->dv_used_next = first_dict; |
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39 d->dv_used_prev = NULL; |
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40 first_dict = d; |
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41 |
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42 hash_init(&d->dv_hashtab); |
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43 d->dv_lock = 0; |
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44 d->dv_scope = 0; |
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45 d->dv_refcount = 0; |
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46 d->dv_copyID = 0; |
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47 } |
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48 return d; |
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49 } |
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50 |
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51 /* |
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52 * Allocate an empty dict for a return value. |
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53 * Returns OK or FAIL. |
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54 */ |
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55 int |
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56 rettv_dict_alloc(typval_T *rettv) |
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57 { |
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58 dict_T *d = dict_alloc(); |
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59 |
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60 if (d == NULL) |
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61 return FAIL; |
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62 |
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63 rettv->vval.v_dict = d; |
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64 rettv->v_type = VAR_DICT; |
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65 rettv->v_lock = 0; |
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66 ++d->dv_refcount; |
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67 return OK; |
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68 } |
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69 |
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70 /* |
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71 * Free a Dictionary, including all non-container items it contains. |
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72 * Ignores the reference count. |
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73 */ |
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74 static void |
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75 dict_free_contents(dict_T *d) |
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76 { |
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77 int todo; |
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78 hashitem_T *hi; |
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79 dictitem_T *di; |
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80 |
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81 /* Lock the hashtab, we don't want it to resize while freeing items. */ |
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82 hash_lock(&d->dv_hashtab); |
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83 todo = (int)d->dv_hashtab.ht_used; |
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84 for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
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85 { |
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86 if (!HASHITEM_EMPTY(hi)) |
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87 { |
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88 /* Remove the item before deleting it, just in case there is |
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89 * something recursive causing trouble. */ |
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90 di = HI2DI(hi); |
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91 hash_remove(&d->dv_hashtab, hi); |
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92 clear_tv(&di->di_tv); |
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93 vim_free(di); |
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94 --todo; |
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95 } |
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96 } |
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97 hash_clear(&d->dv_hashtab); |
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98 } |
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99 |
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100 static void |
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101 dict_free_dict(dict_T *d) |
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102 { |
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103 /* Remove the dict from the list of dicts for garbage collection. */ |
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104 if (d->dv_used_prev == NULL) |
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105 first_dict = d->dv_used_next; |
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106 else |
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107 d->dv_used_prev->dv_used_next = d->dv_used_next; |
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108 if (d->dv_used_next != NULL) |
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109 d->dv_used_next->dv_used_prev = d->dv_used_prev; |
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110 vim_free(d); |
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111 } |
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112 |
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113 static void |
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114 dict_free(dict_T *d) |
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115 { |
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116 if (!in_free_unref_items) |
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117 { |
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118 dict_free_contents(d); |
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119 dict_free_dict(d); |
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120 } |
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121 } |
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122 |
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123 /* |
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124 * Unreference a Dictionary: decrement the reference count and free it when it |
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125 * becomes zero. |
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126 */ |
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127 void |
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128 dict_unref(dict_T *d) |
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129 { |
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130 if (d != NULL && --d->dv_refcount <= 0) |
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131 dict_free(d); |
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132 } |
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133 |
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134 /* |
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135 * Go through the list of dicts and free items without the copyID. |
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136 * Returns TRUE if something was freed. |
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137 */ |
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138 int |
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139 dict_free_nonref(int copyID) |
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140 { |
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141 dict_T *dd; |
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142 int did_free = FALSE; |
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143 |
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144 for (dd = first_dict; dd != NULL; dd = dd->dv_used_next) |
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145 if ((dd->dv_copyID & COPYID_MASK) != (copyID & COPYID_MASK)) |
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146 { |
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147 /* Free the Dictionary and ordinary items it contains, but don't |
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148 * recurse into Lists and Dictionaries, they will be in the list |
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149 * of dicts or list of lists. */ |
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150 dict_free_contents(dd); |
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151 did_free = TRUE; |
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152 } |
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153 return did_free; |
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154 } |
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155 |
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156 void |
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157 dict_free_items(int copyID) |
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158 { |
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159 dict_T *dd, *dd_next; |
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160 |
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161 for (dd = first_dict; dd != NULL; dd = dd_next) |
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162 { |
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163 dd_next = dd->dv_used_next; |
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164 if ((dd->dv_copyID & COPYID_MASK) != (copyID & COPYID_MASK)) |
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165 dict_free_dict(dd); |
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166 } |
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167 } |
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168 |
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169 /* |
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170 * Allocate a Dictionary item. |
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171 * The "key" is copied to the new item. |
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172 * Note that the value of the item "di_tv" still needs to be initialized! |
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173 * Returns NULL when out of memory. |
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174 */ |
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175 dictitem_T * |
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176 dictitem_alloc(char_u *key) |
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177 { |
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178 dictitem_T *di; |
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179 |
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180 di = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) + STRLEN(key))); |
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181 if (di != NULL) |
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182 { |
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183 STRCPY(di->di_key, key); |
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184 di->di_flags = DI_FLAGS_ALLOC; |
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185 } |
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186 return di; |
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187 } |
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188 |
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189 /* |
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190 * Make a copy of a Dictionary item. |
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191 */ |
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192 static dictitem_T * |
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193 dictitem_copy(dictitem_T *org) |
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194 { |
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195 dictitem_T *di; |
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196 |
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197 di = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) |
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198 + STRLEN(org->di_key))); |
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199 if (di != NULL) |
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200 { |
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201 STRCPY(di->di_key, org->di_key); |
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202 di->di_flags = DI_FLAGS_ALLOC; |
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203 copy_tv(&org->di_tv, &di->di_tv); |
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204 } |
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205 return di; |
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206 } |
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207 |
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208 /* |
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209 * Remove item "item" from Dictionary "dict" and free it. |
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210 */ |
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211 void |
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212 dictitem_remove(dict_T *dict, dictitem_T *item) |
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213 { |
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214 hashitem_T *hi; |
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215 |
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216 hi = hash_find(&dict->dv_hashtab, item->di_key); |
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217 if (HASHITEM_EMPTY(hi)) |
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218 EMSG2(_(e_intern2), "dictitem_remove()"); |
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219 else |
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220 hash_remove(&dict->dv_hashtab, hi); |
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221 dictitem_free(item); |
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222 } |
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223 |
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224 /* |
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225 * Free a dict item. Also clears the value. |
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226 */ |
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227 void |
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228 dictitem_free(dictitem_T *item) |
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229 { |
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230 clear_tv(&item->di_tv); |
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231 if (item->di_flags & DI_FLAGS_ALLOC) |
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232 vim_free(item); |
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233 } |
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234 |
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235 /* |
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236 * Make a copy of dict "d". Shallow if "deep" is FALSE. |
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237 * The refcount of the new dict is set to 1. |
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238 * See item_copy() for "copyID". |
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239 * Returns NULL when out of memory. |
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240 */ |
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241 dict_T * |
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242 dict_copy(dict_T *orig, int deep, int copyID) |
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243 { |
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244 dict_T *copy; |
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245 dictitem_T *di; |
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246 int todo; |
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247 hashitem_T *hi; |
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248 |
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249 if (orig == NULL) |
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250 return NULL; |
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251 |
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252 copy = dict_alloc(); |
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253 if (copy != NULL) |
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254 { |
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255 if (copyID != 0) |
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256 { |
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257 orig->dv_copyID = copyID; |
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258 orig->dv_copydict = copy; |
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259 } |
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260 todo = (int)orig->dv_hashtab.ht_used; |
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261 for (hi = orig->dv_hashtab.ht_array; todo > 0 && !got_int; ++hi) |
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262 { |
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263 if (!HASHITEM_EMPTY(hi)) |
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264 { |
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265 --todo; |
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266 |
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267 di = dictitem_alloc(hi->hi_key); |
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268 if (di == NULL) |
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269 break; |
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270 if (deep) |
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271 { |
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272 if (item_copy(&HI2DI(hi)->di_tv, &di->di_tv, deep, |
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273 copyID) == FAIL) |
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274 { |
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275 vim_free(di); |
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276 break; |
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277 } |
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278 } |
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279 else |
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280 copy_tv(&HI2DI(hi)->di_tv, &di->di_tv); |
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281 if (dict_add(copy, di) == FAIL) |
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282 { |
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283 dictitem_free(di); |
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284 break; |
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285 } |
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286 } |
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287 } |
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288 |
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289 ++copy->dv_refcount; |
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290 if (todo > 0) |
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291 { |
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292 dict_unref(copy); |
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293 copy = NULL; |
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294 } |
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295 } |
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296 |
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297 return copy; |
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298 } |
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299 |
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300 /* |
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301 * Add item "item" to Dictionary "d". |
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302 * Returns FAIL when out of memory and when key already exists. |
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303 */ |
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304 int |
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305 dict_add(dict_T *d, dictitem_T *item) |
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306 { |
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307 return hash_add(&d->dv_hashtab, item->di_key); |
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308 } |
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309 |
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310 /* |
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311 * Add a number or string entry to dictionary "d". |
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312 * When "str" is NULL use number "nr", otherwise use "str". |
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313 * Returns FAIL when out of memory and when key already exists. |
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314 */ |
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315 int |
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316 dict_add_nr_str( |
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317 dict_T *d, |
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318 char *key, |
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319 varnumber_T nr, |
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320 char_u *str) |
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321 { |
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322 dictitem_T *item; |
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323 |
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324 item = dictitem_alloc((char_u *)key); |
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325 if (item == NULL) |
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326 return FAIL; |
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327 item->di_tv.v_lock = 0; |
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328 if (str == NULL) |
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329 { |
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330 item->di_tv.v_type = VAR_NUMBER; |
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331 item->di_tv.vval.v_number = nr; |
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332 } |
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333 else |
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334 { |
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335 item->di_tv.v_type = VAR_STRING; |
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336 item->di_tv.vval.v_string = vim_strsave(str); |
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337 } |
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338 if (dict_add(d, item) == FAIL) |
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339 { |
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340 dictitem_free(item); |
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341 return FAIL; |
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342 } |
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343 return OK; |
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344 } |
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345 |
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346 /* |
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347 * Add a list entry to dictionary "d". |
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348 * Returns FAIL when out of memory and when key already exists. |
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349 */ |
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350 int |
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351 dict_add_list(dict_T *d, char *key, list_T *list) |
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352 { |
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353 dictitem_T *item; |
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354 |
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355 item = dictitem_alloc((char_u *)key); |
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356 if (item == NULL) |
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357 return FAIL; |
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358 item->di_tv.v_lock = 0; |
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359 item->di_tv.v_type = VAR_LIST; |
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360 item->di_tv.vval.v_list = list; |
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361 if (dict_add(d, item) == FAIL) |
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362 { |
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363 dictitem_free(item); |
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364 return FAIL; |
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365 } |
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366 ++list->lv_refcount; |
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367 return OK; |
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368 } |
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369 |
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370 /* |
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371 * Get the number of items in a Dictionary. |
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372 */ |
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373 long |
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374 dict_len(dict_T *d) |
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375 { |
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376 if (d == NULL) |
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377 return 0L; |
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378 return (long)d->dv_hashtab.ht_used; |
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379 } |
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380 |
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381 /* |
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382 * Find item "key[len]" in Dictionary "d". |
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383 * If "len" is negative use strlen(key). |
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384 * Returns NULL when not found. |
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385 */ |
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386 dictitem_T * |
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387 dict_find(dict_T *d, char_u *key, int len) |
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388 { |
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389 #define AKEYLEN 200 |
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390 char_u buf[AKEYLEN]; |
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391 char_u *akey; |
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392 char_u *tofree = NULL; |
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393 hashitem_T *hi; |
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394 |
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395 if (d == NULL) |
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396 return NULL; |
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397 if (len < 0) |
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398 akey = key; |
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399 else if (len >= AKEYLEN) |
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400 { |
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401 tofree = akey = vim_strnsave(key, len); |
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402 if (akey == NULL) |
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403 return NULL; |
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404 } |
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405 else |
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406 { |
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407 /* Avoid a malloc/free by using buf[]. */ |
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408 vim_strncpy(buf, key, len); |
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409 akey = buf; |
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410 } |
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411 |
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412 hi = hash_find(&d->dv_hashtab, akey); |
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413 vim_free(tofree); |
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414 if (HASHITEM_EMPTY(hi)) |
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415 return NULL; |
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416 return HI2DI(hi); |
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417 } |
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418 |
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419 /* |
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420 * Get a string item from a dictionary. |
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421 * When "save" is TRUE allocate memory for it. |
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422 * Returns NULL if the entry doesn't exist or out of memory. |
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423 */ |
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424 char_u * |
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425 get_dict_string(dict_T *d, char_u *key, int save) |
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426 { |
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427 dictitem_T *di; |
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428 char_u *s; |
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429 |
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430 di = dict_find(d, key, -1); |
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431 if (di == NULL) |
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432 return NULL; |
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433 s = get_tv_string(&di->di_tv); |
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434 if (save && s != NULL) |
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435 s = vim_strsave(s); |
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436 return s; |
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437 } |
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438 |
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439 /* |
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440 * Get a number item from a dictionary. |
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441 * Returns 0 if the entry doesn't exist. |
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442 */ |
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443 varnumber_T |
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444 get_dict_number(dict_T *d, char_u *key) |
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445 { |
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446 dictitem_T *di; |
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447 |
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448 di = dict_find(d, key, -1); |
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449 if (di == NULL) |
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450 return 0; |
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451 return get_tv_number(&di->di_tv); |
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452 } |
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453 |
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454 /* |
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455 * Return an allocated string with the string representation of a Dictionary. |
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456 * May return NULL. |
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457 */ |
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458 char_u * |
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459 dict2string(typval_T *tv, int copyID, int restore_copyID) |
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460 { |
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461 garray_T ga; |
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462 int first = TRUE; |
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463 char_u *tofree; |
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464 char_u numbuf[NUMBUFLEN]; |
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465 hashitem_T *hi; |
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466 char_u *s; |
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467 dict_T *d; |
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468 int todo; |
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469 |
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470 if ((d = tv->vval.v_dict) == NULL) |
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471 return NULL; |
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472 ga_init2(&ga, (int)sizeof(char), 80); |
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473 ga_append(&ga, '{'); |
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474 |
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475 todo = (int)d->dv_hashtab.ht_used; |
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476 for (hi = d->dv_hashtab.ht_array; todo > 0 && !got_int; ++hi) |
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477 { |
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478 if (!HASHITEM_EMPTY(hi)) |
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479 { |
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480 --todo; |
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481 |
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482 if (first) |
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483 first = FALSE; |
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484 else |
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485 ga_concat(&ga, (char_u *)", "); |
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486 |
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487 tofree = string_quote(hi->hi_key, FALSE); |
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488 if (tofree != NULL) |
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489 { |
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490 ga_concat(&ga, tofree); |
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491 vim_free(tofree); |
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492 } |
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493 ga_concat(&ga, (char_u *)": "); |
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494 s = echo_string_core(&HI2DI(hi)->di_tv, &tofree, numbuf, copyID, |
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495 FALSE, restore_copyID, TRUE); |
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496 if (s != NULL) |
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497 ga_concat(&ga, s); |
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498 vim_free(tofree); |
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499 if (s == NULL || did_echo_string_emsg) |
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500 break; |
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501 line_breakcheck(); |
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502 |
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503 } |
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504 } |
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505 if (todo > 0) |
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506 { |
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507 vim_free(ga.ga_data); |
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508 return NULL; |
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509 } |
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510 |
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511 ga_append(&ga, '}'); |
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512 ga_append(&ga, NUL); |
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513 return (char_u *)ga.ga_data; |
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514 } |
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515 |
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516 /* |
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517 * Allocate a variable for a Dictionary and fill it from "*arg". |
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518 * Return OK or FAIL. Returns NOTDONE for {expr}. |
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519 */ |
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520 int |
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521 get_dict_tv(char_u **arg, typval_T *rettv, int evaluate) |
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522 { |
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523 dict_T *d = NULL; |
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524 typval_T tvkey; |
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525 typval_T tv; |
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526 char_u *key = NULL; |
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527 dictitem_T *item; |
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528 char_u *start = skipwhite(*arg + 1); |
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529 char_u buf[NUMBUFLEN]; |
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530 |
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531 /* |
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532 * First check if it's not a curly-braces thing: {expr}. |
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533 * Must do this without evaluating, otherwise a function may be called |
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534 * twice. Unfortunately this means we need to call eval1() twice for the |
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535 * first item. |
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536 * But {} is an empty Dictionary. |
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537 */ |
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538 if (*start != '}') |
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539 { |
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540 if (eval1(&start, &tv, FALSE) == FAIL) /* recursive! */ |
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541 return FAIL; |
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542 if (*start == '}') |
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543 return NOTDONE; |
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544 } |
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545 |
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546 if (evaluate) |
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547 { |
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548 d = dict_alloc(); |
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549 if (d == NULL) |
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550 return FAIL; |
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551 } |
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552 tvkey.v_type = VAR_UNKNOWN; |
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553 tv.v_type = VAR_UNKNOWN; |
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554 |
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555 *arg = skipwhite(*arg + 1); |
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556 while (**arg != '}' && **arg != NUL) |
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557 { |
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558 if (eval1(arg, &tvkey, evaluate) == FAIL) /* recursive! */ |
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559 goto failret; |
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560 if (**arg != ':') |
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561 { |
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562 EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg); |
afaff1d283d3
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563 clear_tv(&tvkey); |
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564 goto failret; |
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565 } |
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566 if (evaluate) |
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567 { |
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568 key = get_tv_string_buf_chk(&tvkey, buf); |
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569 if (key == NULL) |
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570 { |
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571 /* "key" is NULL when get_tv_string_buf_chk() gave an errmsg */ |
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572 clear_tv(&tvkey); |
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573 goto failret; |
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574 } |
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575 } |
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576 |
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577 *arg = skipwhite(*arg + 1); |
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578 if (eval1(arg, &tv, evaluate) == FAIL) /* recursive! */ |
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579 { |
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580 if (evaluate) |
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|
581 clear_tv(&tvkey); |
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582 goto failret; |
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583 } |
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584 if (evaluate) |
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585 { |
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Christian Brabandt <cb@256bit.org>
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586 item = dict_find(d, key, -1); |
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587 if (item != NULL) |
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588 { |
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589 EMSG2(_("E721: Duplicate key in Dictionary: \"%s\""), key); |
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changeset
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590 clear_tv(&tvkey); |
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591 clear_tv(&tv); |
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changeset
|
592 goto failret; |
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parents:
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593 } |
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|
594 item = dictitem_alloc(key); |
afaff1d283d3
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changeset
|
595 clear_tv(&tvkey); |
afaff1d283d3
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596 if (item != NULL) |
afaff1d283d3
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597 { |
afaff1d283d3
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changeset
|
598 item->di_tv = tv; |
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599 item->di_tv.v_lock = 0; |
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600 if (dict_add(d, item) == FAIL) |
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601 dictitem_free(item); |
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602 } |
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603 } |
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604 |
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605 if (**arg == '}') |
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606 break; |
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607 if (**arg != ',') |
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608 { |
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609 EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg); |
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610 goto failret; |
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611 } |
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612 *arg = skipwhite(*arg + 1); |
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613 } |
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614 |
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615 if (**arg != '}') |
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616 { |
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617 EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg); |
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618 failret: |
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619 if (evaluate) |
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620 dict_free(d); |
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621 return FAIL; |
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622 } |
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623 |
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624 *arg = skipwhite(*arg + 1); |
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625 if (evaluate) |
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626 { |
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627 rettv->v_type = VAR_DICT; |
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628 rettv->vval.v_dict = d; |
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629 ++d->dv_refcount; |
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630 } |
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631 |
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632 return OK; |
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633 } |
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634 |
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635 /* |
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636 * Go over all entries in "d2" and add them to "d1". |
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637 * When "action" is "error" then a duplicate key is an error. |
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638 * When "action" is "force" then a duplicate key is overwritten. |
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639 * Otherwise duplicate keys are ignored ("action" is "keep"). |
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640 */ |
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641 void |
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642 dict_extend(dict_T *d1, dict_T *d2, char_u *action) |
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643 { |
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644 dictitem_T *di1; |
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645 hashitem_T *hi2; |
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646 int todo; |
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647 char_u *arg_errmsg = (char_u *)N_("extend() argument"); |
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648 |
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649 todo = (int)d2->dv_hashtab.ht_used; |
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650 for (hi2 = d2->dv_hashtab.ht_array; todo > 0; ++hi2) |
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651 { |
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652 if (!HASHITEM_EMPTY(hi2)) |
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653 { |
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654 --todo; |
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655 di1 = dict_find(d1, hi2->hi_key, -1); |
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656 if (d1->dv_scope != 0) |
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657 { |
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658 /* Disallow replacing a builtin function in l: and g:. |
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659 * Check the key to be valid when adding to any scope. */ |
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660 if (d1->dv_scope == VAR_DEF_SCOPE |
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661 && HI2DI(hi2)->di_tv.v_type == VAR_FUNC |
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662 && var_check_func_name(hi2->hi_key, di1 == NULL)) |
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663 break; |
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664 if (!valid_varname(hi2->hi_key)) |
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665 break; |
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666 } |
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667 if (di1 == NULL) |
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668 { |
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669 di1 = dictitem_copy(HI2DI(hi2)); |
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670 if (di1 != NULL && dict_add(d1, di1) == FAIL) |
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671 dictitem_free(di1); |
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672 } |
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673 else if (*action == 'e') |
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674 { |
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675 EMSG2(_("E737: Key already exists: %s"), hi2->hi_key); |
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676 break; |
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677 } |
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678 else if (*action == 'f' && HI2DI(hi2) != di1) |
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679 { |
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680 if (tv_check_lock(di1->di_tv.v_lock, arg_errmsg, TRUE) |
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681 || var_check_ro(di1->di_flags, arg_errmsg, TRUE)) |
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682 break; |
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683 clear_tv(&di1->di_tv); |
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684 copy_tv(&HI2DI(hi2)->di_tv, &di1->di_tv); |
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685 } |
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686 } |
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687 } |
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688 } |
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689 |
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690 /* |
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691 * Return the dictitem that an entry in a hashtable points to. |
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692 */ |
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693 dictitem_T * |
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694 dict_lookup(hashitem_T *hi) |
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695 { |
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696 return HI2DI(hi); |
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697 } |
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698 |
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699 /* |
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700 * Return TRUE when two dictionaries have exactly the same key/values. |
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701 */ |
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702 int |
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703 dict_equal( |
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704 dict_T *d1, |
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705 dict_T *d2, |
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706 int ic, /* ignore case for strings */ |
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707 int recursive) /* TRUE when used recursively */ |
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708 { |
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709 hashitem_T *hi; |
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|
710 dictitem_T *item2; |
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711 int todo; |
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|
712 |
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|
713 if (d1 == NULL && d2 == NULL) |
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714 return TRUE; |
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|
715 if (d1 == NULL || d2 == NULL) |
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716 return FALSE; |
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|
717 if (d1 == d2) |
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718 return TRUE; |
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719 if (dict_len(d1) != dict_len(d2)) |
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720 return FALSE; |
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721 |
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722 todo = (int)d1->dv_hashtab.ht_used; |
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723 for (hi = d1->dv_hashtab.ht_array; todo > 0; ++hi) |
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724 { |
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725 if (!HASHITEM_EMPTY(hi)) |
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|
726 { |
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727 item2 = dict_find(d2, hi->hi_key, -1); |
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728 if (item2 == NULL) |
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729 return FALSE; |
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730 if (!tv_equal(&HI2DI(hi)->di_tv, &item2->di_tv, ic, recursive)) |
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731 return FALSE; |
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732 --todo; |
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733 } |
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734 } |
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735 return TRUE; |
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736 } |
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|
737 |
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|
738 /* |
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|
739 * Turn a dict into a list: |
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|
740 * "what" == 0: list of keys |
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|
741 * "what" == 1: list of values |
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742 * "what" == 2: list of items |
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743 */ |
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744 void |
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745 dict_list(typval_T *argvars, typval_T *rettv, int what) |
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746 { |
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747 list_T *l2; |
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748 dictitem_T *di; |
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749 hashitem_T *hi; |
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750 listitem_T *li; |
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751 listitem_T *li2; |
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752 dict_T *d; |
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753 int todo; |
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754 |
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755 if (argvars[0].v_type != VAR_DICT) |
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756 { |
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757 EMSG(_(e_dictreq)); |
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758 return; |
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|
759 } |
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760 if ((d = argvars[0].vval.v_dict) == NULL) |
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761 return; |
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|
762 |
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|
763 if (rettv_list_alloc(rettv) == FAIL) |
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764 return; |
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|
765 |
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766 todo = (int)d->dv_hashtab.ht_used; |
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767 for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
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|
768 { |
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769 if (!HASHITEM_EMPTY(hi)) |
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770 { |
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771 --todo; |
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772 di = HI2DI(hi); |
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|
773 |
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774 li = listitem_alloc(); |
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775 if (li == NULL) |
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|
776 break; |
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777 list_append(rettv->vval.v_list, li); |
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778 |
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779 if (what == 0) |
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780 { |
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781 /* keys() */ |
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782 li->li_tv.v_type = VAR_STRING; |
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783 li->li_tv.v_lock = 0; |
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|
784 li->li_tv.vval.v_string = vim_strsave(di->di_key); |
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785 } |
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786 else if (what == 1) |
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787 { |
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788 /* values() */ |
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|
789 copy_tv(&di->di_tv, &li->li_tv); |
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790 } |
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|
791 else |
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792 { |
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793 /* items() */ |
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|
794 l2 = list_alloc(); |
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|
795 li->li_tv.v_type = VAR_LIST; |
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796 li->li_tv.v_lock = 0; |
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797 li->li_tv.vval.v_list = l2; |
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798 if (l2 == NULL) |
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799 break; |
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800 ++l2->lv_refcount; |
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801 |
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802 li2 = listitem_alloc(); |
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803 if (li2 == NULL) |
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804 break; |
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805 list_append(l2, li2); |
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806 li2->li_tv.v_type = VAR_STRING; |
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807 li2->li_tv.v_lock = 0; |
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808 li2->li_tv.vval.v_string = vim_strsave(di->di_key); |
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809 |
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810 li2 = listitem_alloc(); |
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811 if (li2 == NULL) |
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812 break; |
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813 list_append(l2, li2); |
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814 copy_tv(&di->di_tv, &li2->li_tv); |
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815 } |
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816 } |
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817 } |
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818 } |
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819 |
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820 #endif /* defined(FEAT_EVAL) */ |