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annotate third_party/luajit/src/lib_table.c @ 214:4c725fde6999

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[MrJuneJune] Fixed linkedin path and images modules.
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 22:21:27 -0800
parents 94705b5986b3
children
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178
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1 /*
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2 ** Table library.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 **
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5 ** Major portions taken verbatim or adapted from the Lua interpreter.
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6 ** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
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7 */
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8
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9 #define lib_table_c
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10 #define LUA_LIB
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11
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12 #include "lua.h"
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13 #include "lauxlib.h"
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14 #include "lualib.h"
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15
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16 #include "lj_obj.h"
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17 #include "lj_gc.h"
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18 #include "lj_err.h"
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19 #include "lj_buf.h"
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20 #include "lj_tab.h"
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21 #include "lj_ff.h"
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22 #include "lj_lib.h"
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23
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24 /* ------------------------------------------------------------------------ */
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25
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26 #define LJLIB_MODULE_table
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27
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28 LJLIB_LUA(table_foreachi) /*
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29 function(t, f)
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30 CHECK_tab(t)
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31 CHECK_func(f)
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32 for i=1,#t do
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33 local r = f(i, t[i])
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34 if r ~= nil then return r end
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35 end
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36 end
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37 */
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38
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39 LJLIB_LUA(table_foreach) /*
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40 function(t, f)
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41 CHECK_tab(t)
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42 CHECK_func(f)
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43 for k, v in PAIRS(t) do
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44 local r = f(k, v)
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45 if r ~= nil then return r end
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46 end
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47 end
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48 */
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49
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50 LJLIB_LUA(table_getn) /*
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51 function(t)
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52 CHECK_tab(t)
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53 return #t
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54 end
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55 */
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56
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57 LJLIB_CF(table_maxn)
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58 {
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59 GCtab *t = lj_lib_checktab(L, 1);
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60 TValue *array = tvref(t->array);
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61 Node *node;
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62 lua_Number m = 0;
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63 ptrdiff_t i;
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64 for (i = (ptrdiff_t)t->asize - 1; i >= 0; i--)
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65 if (!tvisnil(&array[i])) {
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66 m = (lua_Number)(int32_t)i;
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67 break;
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68 }
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69 node = noderef(t->node);
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70 for (i = (ptrdiff_t)t->hmask; i >= 0; i--)
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71 if (!tvisnil(&node[i].val) && tvisnumber(&node[i].key)) {
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72 lua_Number n = numberVnum(&node[i].key);
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73 if (n > m) m = n;
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74 }
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75 setnumV(L->top-1, m);
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76 return 1;
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77 }
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78
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79 LJLIB_CF(table_insert) LJLIB_REC(.)
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80 {
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81 GCtab *t = lj_lib_checktab(L, 1);
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82 int32_t n, i = (int32_t)lj_tab_len(t) + 1;
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83 int nargs = (int)((char *)L->top - (char *)L->base);
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84 if (nargs != 2*sizeof(TValue)) {
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85 if (nargs != 3*sizeof(TValue))
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86 lj_err_caller(L, LJ_ERR_TABINS);
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87 /* NOBARRIER: This just moves existing elements around. */
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88 for (n = lj_lib_checkint(L, 2); i > n; i--) {
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89 /* The set may invalidate the get pointer, so need to do it first! */
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90 TValue *dst = lj_tab_setint(L, t, i);
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91 cTValue *src = lj_tab_getint(t, i-1);
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92 if (src) {
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93 copyTV(L, dst, src);
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94 } else {
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95 setnilV(dst);
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96 }
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97 }
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98 i = n;
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99 }
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100 {
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101 TValue *dst = lj_tab_setint(L, t, i);
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102 copyTV(L, dst, L->top-1); /* Set new value. */
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103 lj_gc_barriert(L, t, dst);
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104 }
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105 return 0;
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106 }
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107
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108 LJLIB_LUA(table_remove) /*
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109 function(t, pos)
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110 CHECK_tab(t)
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111 local len = #t
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112 if pos == nil then
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113 if len ~= 0 then
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114 local old = t[len]
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115 t[len] = nil
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116 return old
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117 end
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118 else
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119 CHECK_int(pos)
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120 if pos >= 1 and pos <= len then
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121 local old = t[pos]
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122 for i=pos+1,len do
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123 t[i-1] = t[i]
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124 end
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125 t[len] = nil
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126 return old
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127 end
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128 end
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129 end
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130 */
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131
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132 LJLIB_LUA(table_move) /*
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133 function(a1, f, e, t, a2)
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parents:
diff changeset
134 CHECK_tab(a1)
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 CHECK_int(f)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 CHECK_int(e)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 CHECK_int(t)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 if a2 == nil then a2 = a1 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 CHECK_tab(a2)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 if e >= f then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 local d = t - f
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 if t > e or t <= f or a2 ~= a1 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 for i=f,e do a2[i+d] = a1[i] end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
144 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
145 for i=e,f,-1 do a2[i+d] = a1[i] end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 end
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 return a2
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 end
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 */
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MrJuneJune <me@mrjunejune.com>
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151
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MrJuneJune <me@mrjunejune.com>
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152 LJLIB_CF(table_concat) LJLIB_REC(.)
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MrJuneJune <me@mrjunejune.com>
parents:
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153 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
154 GCtab *t = lj_lib_checktab(L, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 GCstr *sep = lj_lib_optstr(L, 2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 int32_t i = lj_lib_optint(L, 3, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 int32_t e = (L->base+3 < L->top && !tvisnil(L->base+3)) ?
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 lj_lib_checkint(L, 4) : (int32_t)lj_tab_len(t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 SBuf *sb = lj_buf_tmp_(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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160 SBuf *sbx = lj_buf_puttab(sb, t, sep, i, e);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 if (LJ_UNLIKELY(!sbx)) { /* Error: bad element type. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 int32_t idx = (int32_t)(intptr_t)sb->w;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 cTValue *o = lj_tab_getint(t, idx);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 lj_err_callerv(L, LJ_ERR_TABCAT,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 lj_obj_itypename[o ? itypemap(o) : ~LJ_TNIL], idx);
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MrJuneJune <me@mrjunejune.com>
parents:
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166 }
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 setstrV(L, L->top-1, lj_buf_str(L, sbx));
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MrJuneJune <me@mrjunejune.com>
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diff changeset
168 lj_gc_check(L);
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MrJuneJune <me@mrjunejune.com>
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diff changeset
169 return 1;
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MrJuneJune <me@mrjunejune.com>
parents:
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170 }
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MrJuneJune <me@mrjunejune.com>
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171
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 /* ------------------------------------------------------------------------ */
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MrJuneJune <me@mrjunejune.com>
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173
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 static void set2(lua_State *L, int i, int j)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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175 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
176 lua_rawseti(L, 1, i);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 lua_rawseti(L, 1, j);
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MrJuneJune <me@mrjunejune.com>
parents:
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178 }
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
180 static int sort_comp(lua_State *L, int a, int b)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 if (!lua_isnil(L, 2)) { /* function? */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 int res;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 lua_pushvalue(L, 2);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 lua_pushvalue(L, a-1); /* -1 to compensate function */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 lua_pushvalue(L, b-2); /* -2 to compensate function and `a' */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 lua_call(L, 2, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
188 res = lua_toboolean(L, -1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 lua_pop(L, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 return res;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 } else { /* a < b? */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 return lua_lessthan(L, a, b);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 static void auxsort(lua_State *L, int l, int u)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
198 while (l < u) { /* for tail recursion */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
199 int i, j;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 /* sort elements a[l], a[(l+u)/2] and a[u] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 lua_rawgeti(L, 1, l);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 lua_rawgeti(L, 1, u);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 if (sort_comp(L, -1, -2)) /* a[u] < a[l]? */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 set2(L, l, u); /* swap a[l] - a[u] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 lua_pop(L, 2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 if (u-l == 1) break; /* only 2 elements */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 i = (l+u)/2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 lua_rawgeti(L, 1, i);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 lua_rawgeti(L, 1, l);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 if (sort_comp(L, -2, -1)) { /* a[i]<a[l]? */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 set2(L, i, l);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 lua_pop(L, 1); /* remove a[l] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 lua_rawgeti(L, 1, u);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 if (sort_comp(L, -1, -2)) /* a[u]<a[i]? */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 set2(L, i, u);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 lua_pop(L, 2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 if (u-l == 2) break; /* only 3 elements */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 lua_rawgeti(L, 1, i); /* Pivot */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 lua_pushvalue(L, -1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 lua_rawgeti(L, 1, u-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 set2(L, i, u-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 /* a[l] <= P == a[u-1] <= a[u], only need to sort from l+1 to u-2 */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 i = l; j = u-1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 for (;;) { /* invariant: a[l..i] <= P <= a[j..u] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
229 /* repeat ++i until a[i] >= P */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 while (lua_rawgeti(L, 1, ++i), sort_comp(L, -1, -2)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 if (i>=u) lj_err_caller(L, LJ_ERR_TABSORT);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 lua_pop(L, 1); /* remove a[i] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 /* repeat --j until a[j] <= P */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 while (lua_rawgeti(L, 1, --j), sort_comp(L, -3, -1)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 if (j<=l) lj_err_caller(L, LJ_ERR_TABSORT);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 lua_pop(L, 1); /* remove a[j] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 if (j<i) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 lua_pop(L, 3); /* pop pivot, a[i], a[j] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243 set2(L, i, j);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 lua_rawgeti(L, 1, u-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 lua_rawgeti(L, 1, i);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 set2(L, u-1, i); /* swap pivot (a[u-1]) with a[i] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248 /* a[l..i-1] <= a[i] == P <= a[i+1..u] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 /* adjust so that smaller half is in [j..i] and larger one in [l..u] */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250 if (i-l < u-i) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 j=l; i=i-1; l=i+2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253 j=i+1; i=u; u=j-2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
254 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
255 auxsort(L, j, i); /* call recursively the smaller one */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
256 } /* repeat the routine for the larger one */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
257 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
258
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
259 LJLIB_CF(table_sort)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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260 {
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261 GCtab *t = lj_lib_checktab(L, 1);
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262 int32_t n = (int32_t)lj_tab_len(t);
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263 lua_settop(L, 2);
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264 if (!tvisnil(L->base+1))
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265 lj_lib_checkfunc(L, 2);
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266 auxsort(L, 1, n);
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267 return 0;
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268 }
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269
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270 #if LJ_52
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271 LJLIB_PUSH("n")
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272 LJLIB_CF(table_pack)
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273 {
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274 TValue *array, *base = L->base;
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275 MSize i, n = (uint32_t)(L->top - base);
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276 GCtab *t = lj_tab_new(L, n ? n+1 : 0, 1);
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277 /* NOBARRIER: The table is new (marked white). */
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278 setintV(lj_tab_setstr(L, t, strV(lj_lib_upvalue(L, 1))), (int32_t)n);
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279 for (array = tvref(t->array) + 1, i = 0; i < n; i++)
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280 copyTV(L, &array[i], &base[i]);
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281 settabV(L, base, t);
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282 L->top = base+1;
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283 lj_gc_check(L);
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284 return 1;
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285 }
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286 #endif
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287
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288 LJLIB_NOREG LJLIB_CF(table_new) LJLIB_REC(.)
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289 {
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290 int32_t a = lj_lib_checkint(L, 1);
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291 int32_t h = lj_lib_checkint(L, 2);
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292 lua_createtable(L, a, h);
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293 return 1;
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294 }
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295
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296 LJLIB_NOREG LJLIB_CF(table_clear) LJLIB_REC(.)
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297 {
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298 lj_tab_clear(lj_lib_checktab(L, 1));
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299 return 0;
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300 }
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301
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302 static int luaopen_table_new(lua_State *L)
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303 {
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304 return lj_lib_postreg(L, lj_cf_table_new, FF_table_new, "new");
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305 }
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306
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307 static int luaopen_table_clear(lua_State *L)
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308 {
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309 return lj_lib_postreg(L, lj_cf_table_clear, FF_table_clear, "clear");
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310 }
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311
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312 /* ------------------------------------------------------------------------ */
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313
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314 #include "lj_libdef.h"
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315
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316 LUALIB_API int luaopen_table(lua_State *L)
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317 {
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318 LJ_LIB_REG(L, LUA_TABLIBNAME, table);
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319 #if LJ_52
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320 lua_getglobal(L, "unpack");
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321 lua_setfield(L, -2, "unpack");
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322 #endif
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323 lj_lib_prereg(L, LUA_TABLIBNAME ".new", luaopen_table_new, tabV(L->top-1));
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324 lj_lib_prereg(L, LUA_TABLIBNAME ".clear", luaopen_table_clear, tabV(L->top-1));
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325 return 1;
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326 }
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327