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annotate third_party/luajit/src/lj_cdata.c @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
178
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1 /*
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2 ** C data management.
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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
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6 #include "lj_obj.h"
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7
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8 #if LJ_HASFFI
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9
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10 #include "lj_gc.h"
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11 #include "lj_err.h"
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12 #include "lj_tab.h"
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13 #include "lj_ctype.h"
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14 #include "lj_cconv.h"
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15 #include "lj_cdata.h"
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16
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17 /* -- C data allocation --------------------------------------------------- */
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18
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19 /* Allocate a new C data object holding a reference to another object. */
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20 GCcdata *lj_cdata_newref(CTState *cts, const void *p, CTypeID id)
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21 {
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22 CTypeID refid = lj_ctype_intern(cts, CTINFO_REF(id), CTSIZE_PTR);
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23 GCcdata *cd = lj_cdata_new(cts, refid, CTSIZE_PTR);
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24 *(const void **)cdataptr(cd) = p;
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25 return cd;
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26 }
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27
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28 /* Allocate variable-sized or specially aligned C data object. */
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29 GCcdata *lj_cdata_newv(lua_State *L, CTypeID id, CTSize sz, CTSize align)
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30 {
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31 global_State *g;
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32 MSize extra = sizeof(GCcdataVar) + sizeof(GCcdata) +
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33 (align > CT_MEMALIGN ? (1u<<align) - (1u<<CT_MEMALIGN) : 0);
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34 char *p = lj_mem_newt(L, extra + sz, char);
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35 uintptr_t adata = (uintptr_t)p + sizeof(GCcdataVar) + sizeof(GCcdata);
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36 uintptr_t almask = (1u << align) - 1u;
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37 GCcdata *cd = (GCcdata *)(((adata + almask) & ~almask) - sizeof(GCcdata));
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38 lj_assertL((char *)cd - p < 65536, "excessive cdata alignment");
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39 cdatav(cd)->offset = (uint16_t)((char *)cd - p);
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40 cdatav(cd)->extra = extra;
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41 cdatav(cd)->len = sz;
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42 g = G(L);
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43 setgcrefr(cd->nextgc, g->gc.root);
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44 setgcref(g->gc.root, obj2gco(cd));
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45 newwhite(g, obj2gco(cd));
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46 cd->marked |= 0x80;
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47 cd->gct = ~LJ_TCDATA;
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48 cd->ctypeid = id;
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49 return cd;
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50 }
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51
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52 /* Allocate arbitrary C data object. */
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53 GCcdata *lj_cdata_newx(CTState *cts, CTypeID id, CTSize sz, CTInfo info)
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54 {
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55 if (!(info & CTF_VLA) && ctype_align(info) <= CT_MEMALIGN)
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56 return lj_cdata_new(cts, id, sz);
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57 else
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58 return lj_cdata_newv(cts->L, id, sz, ctype_align(info));
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59 }
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60
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61 /* Free a C data object. */
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62 void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd)
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63 {
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64 if (LJ_UNLIKELY(cd->marked & LJ_GC_CDATA_FIN)) {
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65 GCobj *root;
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66 makewhite(g, obj2gco(cd));
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67 markfinalized(obj2gco(cd));
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68 if ((root = gcref(g->gc.mmudata)) != NULL) {
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69 setgcrefr(cd->nextgc, root->gch.nextgc);
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70 setgcref(root->gch.nextgc, obj2gco(cd));
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71 setgcref(g->gc.mmudata, obj2gco(cd));
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72 } else {
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73 setgcref(cd->nextgc, obj2gco(cd));
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74 setgcref(g->gc.mmudata, obj2gco(cd));
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75 }
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76 } else if (LJ_LIKELY(!cdataisv(cd))) {
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77 CType *ct = ctype_raw(ctype_ctsG(g), cd->ctypeid);
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78 CTSize sz = ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR;
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79 lj_assertG(ctype_hassize(ct->info) || ctype_isfunc(ct->info) ||
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80 ctype_isextern(ct->info), "free of ctype without a size");
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81 lj_mem_free(g, cd, sizeof(GCcdata) + sz);
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82 } else {
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83 lj_mem_free(g, memcdatav(cd), sizecdatav(cd));
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84 }
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85 }
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86
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87 void lj_cdata_setfin(lua_State *L, GCcdata *cd, GCobj *obj, uint32_t it)
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88 {
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89 GCtab *t = ctype_ctsG(G(L))->finalizer;
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90 if (gcref(t->metatable)) {
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91 /* Add cdata to finalizer table, if still enabled. */
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92 TValue *tv, tmp;
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93 setcdataV(L, &tmp, cd);
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94 lj_gc_anybarriert(L, t);
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95 tv = lj_tab_set(L, t, &tmp);
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96 if (it == LJ_TNIL) {
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97 setnilV(tv);
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98 cd->marked &= ~LJ_GC_CDATA_FIN;
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99 } else {
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100 setgcV(L, tv, obj, it);
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101 cd->marked |= LJ_GC_CDATA_FIN;
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102 }
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103 }
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104 }
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105
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106 /* -- C data indexing ----------------------------------------------------- */
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107
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108 /* Index C data by a TValue. Return CType and pointer. */
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109 CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key, uint8_t **pp,
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110 CTInfo *qual)
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111 {
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112 uint8_t *p = (uint8_t *)cdataptr(cd);
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113 CType *ct = ctype_get(cts, cd->ctypeid);
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114 ptrdiff_t idx;
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115
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116 /* Resolve reference for cdata object. */
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117 if (ctype_isref(ct->info)) {
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118 lj_assertCTS(ct->size == CTSIZE_PTR, "ref is not pointer-sized");
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119 p = *(uint8_t **)p;
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120 ct = ctype_child(cts, ct);
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121 }
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122
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diff changeset
123 collect_attrib:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
124 /* Skip attributes and collect qualifiers. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
125 while (ctype_isattrib(ct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
126 if (ctype_attrib(ct->info) == CTA_QUAL) *qual |= ct->size;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
127 ct = ctype_child(cts, ct);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
128 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 /* Interning rejects refs to refs. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
130 lj_assertCTS(!ctype_isref(ct->info), "bad ref of ref");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 if (tvisint(key)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 idx = (ptrdiff_t)intV(key);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 goto integer_key;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 } else if (tvisnum(key)) { /* Numeric key. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 #ifdef _MSC_VER
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 /* Workaround for MSVC bug. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 volatile
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 lua_Number n = numV(key);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 idx = LJ_64 ? (ptrdiff_t)n : (ptrdiff_t)lj_num2int(n);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 integer_key:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 if (ctype_ispointer(ct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 CTSize sz = lj_ctype_size(cts, ctype_cid(ct->info)); /* Element size. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 if (sz == CTSIZE_INVALID)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 lj_err_caller(cts->L, LJ_ERR_FFI_INVSIZE);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 if (ctype_isptr(ct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 p = (uint8_t *)cdata_getptr(p, ct->size);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 } else if ((ct->info & (CTF_VECTOR|CTF_COMPLEX))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 if ((ct->info & CTF_COMPLEX)) idx &= 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 *qual |= CTF_CONST; /* Valarray elements are constant. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 *pp = p + idx*(int32_t)sz;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 return ct;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 } else if (tviscdata(key)) { /* Integer cdata key. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 GCcdata *cdk = cdataV(key);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 CType *ctk = ctype_raw(cts, cdk->ctypeid);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 if (ctype_isenum(ctk->info)) ctk = ctype_child(cts, ctk);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 if (ctype_isinteger(ctk->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT_PSZ), ctk,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 (uint8_t *)&idx, cdataptr(cdk), 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 goto integer_key;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 } else if (tvisstr(key)) { /* String key. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 GCstr *name = strV(key);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 if (ctype_isstruct(ct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 CTSize ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 CType *fct = lj_ctype_getfieldq(cts, ct, name, &ofs, qual);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170 if (fct) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 *pp = p + ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 return fct;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 } else if (ctype_iscomplex(ct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 if (name->len == 2) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 *qual |= CTF_CONST; /* Complex fields are constant. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 if (strdata(name)[0] == 'r' && strdata(name)[1] == 'e') {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 *pp = p;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 return ct;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 } else if (strdata(name)[0] == 'i' && strdata(name)[1] == 'm') {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 *pp = p + (ct->size >> 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 return ct;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 } else if (cd->ctypeid == CTID_CTYPEID) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 /* Allow indexing a (pointer to) struct constructor to get constants. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 CType *sct = ctype_raw(cts, *(CTypeID *)p);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 if (ctype_isptr(sct->info))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 sct = ctype_rawchild(cts, sct);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 if (ctype_isstruct(sct->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 CTSize ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 CType *fct = lj_ctype_getfield(cts, sct, name, &ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 if (fct && ctype_isconstval(fct->info))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 return fct;
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 ct = sct; /* Allow resolving metamethods for constructors, too. */
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.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 if (ctype_isptr(ct->info)) { /* Automatically perform '->'. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 if (ctype_isstruct(ctype_rawchild(cts, ct)->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 p = (uint8_t *)cdata_getptr(p, ct->size);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 ct = ctype_child(cts, ct);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 goto collect_attrib;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 *qual |= 1; /* Lookup failed. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 return ct; /* But return the resolved raw type. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 /* -- C data getters ------------------------------------------------------ */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 /* Get constant value and convert to TValue. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 static void cdata_getconst(CTState *cts, TValue *o, CType *ct)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 CType *ctt = ctype_child(cts, ct);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 lj_assertCTS(ctype_isinteger(ctt->info) && ctt->size <= 4,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 "only 32 bit const supported"); /* NYI */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 /* Constants are already zero-extended/sign-extended to 32 bits. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 if ((ctt->info & CTF_UNSIGNED) && (int32_t)ct->size < 0)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 setnumV(o, (lua_Number)(uint32_t)ct->size);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 setintV(o, (int32_t)ct->size);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 /* Get C data value and convert to TValue. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 int lj_cdata_get(CTState *cts, CType *s, TValue *o, uint8_t *sp)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 CTypeID sid;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 if (ctype_isconstval(s->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 cdata_getconst(cts, o, s);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 return 0; /* No GC step needed. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 } else if (ctype_isbitfield(s->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 return lj_cconv_tv_bf(cts, s, o, sp);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 /* Get child type of pointer/array/field. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 lj_assertCTS(ctype_ispointer(s->info) || ctype_isfield(s->info),
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 "pointer or field expected");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 sid = ctype_cid(s->info);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 s = ctype_get(cts, sid);
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 /* Resolve reference for field. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 if (ctype_isref(s->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 lj_assertCTS(s->size == CTSIZE_PTR, "ref is not pointer-sized");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 sp = *(uint8_t **)sp;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 sid = ctype_cid(s->info);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248 s = ctype_get(cts, sid);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250
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251 /* Skip attributes. */
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diff changeset
252 while (ctype_isattrib(s->info))
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253 s = ctype_child(cts, s);
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254
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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255 return lj_cconv_tv_ct(cts, s, sid, o, sp);
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256 }
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257
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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258 /* -- C data setters ------------------------------------------------------ */
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259
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260 /* Convert TValue and set C data value. */
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261 void lj_cdata_set(CTState *cts, CType *d, uint8_t *dp, TValue *o, CTInfo qual)
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262 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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263 if (ctype_isconstval(d->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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264 goto err_const;
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265 } else if (ctype_isbitfield(d->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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266 if (((d->info|qual) & CTF_CONST)) goto err_const;
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267 lj_cconv_bf_tv(cts, d, dp, o);
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268 return;
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MrJuneJune <me@mrjunejune.com>
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269 }
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MrJuneJune <me@mrjunejune.com>
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270
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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271 /* Get child type of pointer/array/field. */
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272 lj_assertCTS(ctype_ispointer(d->info) || ctype_isfield(d->info),
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273 "pointer or field expected");
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diff changeset
274 d = ctype_child(cts, d);
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parents:
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275
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
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276 /* Resolve reference for field. */
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277 if (ctype_isref(d->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
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278 lj_assertCTS(d->size == CTSIZE_PTR, "ref is not pointer-sized");
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279 dp = *(uint8_t **)dp;
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280 d = ctype_child(cts, d);
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parents:
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281 }
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MrJuneJune <me@mrjunejune.com>
parents:
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282
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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283 /* Skip attributes and collect qualifiers. */
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
284 for (;;) {
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parents:
diff changeset
285 if (ctype_isattrib(d->info)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
286 if (ctype_attrib(d->info) == CTA_QUAL) qual |= d->size;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
287 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
288 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
289 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
290 d = ctype_child(cts, d);
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parents:
diff changeset
291 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
292
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
293 lj_assertCTS(ctype_hassize(d->info), "store to ctype without size");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
294 lj_assertCTS(!ctype_isvoid(d->info), "store to void type");
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
295
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
296 if (((d->info|qual) & CTF_CONST)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
297 err_const:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
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298 lj_err_caller(cts->L, LJ_ERR_FFI_WRCONST);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
299 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
300
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
301 lj_cconv_ct_tv(cts, d, dp, o, 0);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
302 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
303
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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304 #endif