annotate third_party/luajit/src/lj_ctype.h @ 279:b3b547563ec7

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
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1 /*
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2 ** C type 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 #ifndef _LJ_CTYPE_H
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7 #define _LJ_CTYPE_H
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8
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9 #include "lj_obj.h"
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10 #include "lj_gc.h"
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11
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12 #if LJ_HASFFI
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13
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14 /* -- C type definitions -------------------------------------------------- */
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15
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16 /* C type numbers. Highest 4 bits of C type info. ORDER CT. */
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17 enum {
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18 /* Externally visible types. */
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19 CT_NUM, /* Integer or floating-point numbers. */
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20 CT_STRUCT, /* Struct or union. */
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21 CT_PTR, /* Pointer or reference. */
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22 CT_ARRAY, /* Array or complex type. */
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23 CT_MAYCONVERT = CT_ARRAY,
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24 CT_VOID, /* Void type. */
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25 CT_ENUM, /* Enumeration. */
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26 CT_HASSIZE = CT_ENUM, /* Last type where ct->size holds the actual size. */
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27 CT_FUNC, /* Function. */
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28 CT_TYPEDEF, /* Typedef. */
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29 CT_ATTRIB, /* Miscellaneous attributes. */
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30 /* Internal element types. */
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31 CT_FIELD, /* Struct/union field or function parameter. */
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32 CT_BITFIELD, /* Struct/union bitfield. */
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33 CT_CONSTVAL, /* Constant value. */
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34 CT_EXTERN, /* External reference. */
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35 CT_KW /* Keyword. */
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36 };
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37
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38 LJ_STATIC_ASSERT(((int)CT_PTR & (int)CT_ARRAY) == CT_PTR);
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39 LJ_STATIC_ASSERT(((int)CT_STRUCT & (int)CT_ARRAY) == CT_STRUCT);
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40
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41 /*
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42 ** ---------- info ------------
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43 ** |type flags... A cid | size | sib | next | name |
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44 ** +----------------------------+--------+-------+-------+-------+--
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45 ** |NUM BFcvUL.. A | size | | type | |
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46 ** |STRUCT ..cvU..V A | size | field | name? | name? |
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47 ** |PTR ..cvR... A cid | size | | type | |
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48 ** |ARRAY VCcv...V A cid | size | | type | |
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49 ** |VOID ..cv.... A | size | | type | |
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50 ** |ENUM A cid | size | const | name? | name? |
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51 ** |FUNC ....VS.. cc cid | nargs | field | name? | name? |
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52 ** |TYPEDEF cid | | | name | name |
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53 ** |ATTRIB attrnum cid | attr | sib? | type? | |
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54 ** |FIELD cid | offset | field | | name? |
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55 ** |BITFIELD B.cvU csz bsz pos | offset | field | | name? |
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56 ** |CONSTVAL c cid | value | const | name | name |
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57 ** |EXTERN cid | | sib? | name | name |
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58 ** |KW tok | size | | name | name |
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59 ** +----------------------------+--------+-------+-------+-------+--
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60 ** ^^ ^^--- bits used for C type conversion dispatch
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61 */
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62
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63 /* C type info flags. TFFArrrr */
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64 #define CTF_BOOL 0x08000000u /* Boolean: NUM, BITFIELD. */
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65 #define CTF_FP 0x04000000u /* Floating-point: NUM. */
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66 #define CTF_CONST 0x02000000u /* Const qualifier. */
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67 #define CTF_VOLATILE 0x01000000u /* Volatile qualifier. */
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68 #define CTF_UNSIGNED 0x00800000u /* Unsigned: NUM, BITFIELD. */
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69 #define CTF_LONG 0x00400000u /* Long: NUM. */
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70 #define CTF_VLA 0x00100000u /* Variable-length: ARRAY, STRUCT. */
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71 #define CTF_REF 0x00800000u /* Reference: PTR. */
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72 #define CTF_VECTOR 0x08000000u /* Vector: ARRAY. */
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73 #define CTF_COMPLEX 0x04000000u /* Complex: ARRAY. */
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74 #define CTF_UNION 0x00800000u /* Union: STRUCT. */
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75 #define CTF_VARARG 0x00800000u /* Vararg: FUNC. */
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76 #define CTF_SSEREGPARM 0x00400000u /* SSE register parameters: FUNC. */
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77
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78 #define CTF_QUAL (CTF_CONST|CTF_VOLATILE)
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79 #define CTF_ALIGN (CTMASK_ALIGN<<CTSHIFT_ALIGN)
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80 #define CTF_UCHAR ((char)-1 > 0 ? CTF_UNSIGNED : 0)
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81
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82 /* Flags used in parser. .F.Ammvf cp->attr */
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83 #define CTFP_ALIGNED 0x00000001u /* cp->attr + ALIGN */
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84 #define CTFP_PACKED 0x00000002u /* cp->attr */
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85 /* ...C...f cp->fattr */
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86 #define CTFP_CCONV 0x00000001u /* cp->fattr + CCONV/[SSE]REGPARM */
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87
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88 /* C type info bitfields. */
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89 #define CTMASK_CID 0x0000ffffu /* Max. 65536 type IDs. */
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90 #define CTMASK_NUM 0xf0000000u /* Max. 16 type numbers. */
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91 #define CTSHIFT_NUM 28
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92 #define CTMASK_ALIGN 15 /* Max. alignment is 2^15. */
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93 #define CTSHIFT_ALIGN 16
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94 #define CTMASK_ATTRIB 255 /* Max. 256 attributes. */
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95 #define CTSHIFT_ATTRIB 16
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96 #define CTMASK_CCONV 3 /* Max. 4 calling conventions. */
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97 #define CTSHIFT_CCONV 16
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98 #define CTMASK_REGPARM 3 /* Max. 0-3 regparms. */
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99 #define CTSHIFT_REGPARM 18
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100 /* Bitfields only used in parser. */
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101 #define CTMASK_VSIZEP 15 /* Max. vector size is 2^15. */
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102 #define CTSHIFT_VSIZEP 4
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103 #define CTMASK_MSIZEP 255 /* Max. type size (via mode) is 128. */
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104 #define CTSHIFT_MSIZEP 8
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105
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106 /* Info bits for BITFIELD. Max. size of bitfield is 64 bits. */
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107 #define CTBSZ_MAX 32 /* Max. size of bitfield is 32 bit. */
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108 #define CTBSZ_FIELD 127 /* Temp. marker for regular field. */
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109 #define CTMASK_BITPOS 127
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110 #define CTMASK_BITBSZ 127
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111 #define CTMASK_BITCSZ 127
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112 #define CTSHIFT_BITPOS 0
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113 #define CTSHIFT_BITBSZ 8
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114 #define CTSHIFT_BITCSZ 16
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115
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116 #define CTF_INSERT(info, field, val) \
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117 info = (info & ~(CTMASK_##field<<CTSHIFT_##field)) | \
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118 (((CTSize)(val) & CTMASK_##field) << CTSHIFT_##field)
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119
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120 /* Calling conventions. ORDER CC */
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121 enum { CTCC_CDECL, CTCC_THISCALL, CTCC_FASTCALL, CTCC_STDCALL };
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122
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123 /* Attribute numbers. */
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124 enum {
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125 CTA_NONE, /* Ignored attribute. Must be zero. */
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126 CTA_QUAL, /* Unmerged qualifiers. */
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127 CTA_ALIGN, /* Alignment override. */
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128 CTA_SUBTYPE, /* Transparent sub-type. */
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129 CTA_REDIR, /* Redirected symbol name. */
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130 CTA_BAD, /* To catch bad IDs. */
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131 CTA__MAX
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132 };
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133
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134 /* Special sizes. */
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135 #define CTSIZE_INVALID 0xffffffffu
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136
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137 typedef uint32_t CTInfo; /* Type info. */
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138 typedef uint32_t CTSize; /* Type size. */
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139 typedef uint32_t CTypeID; /* Type ID. */
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140 typedef uint16_t CTypeID1; /* Minimum-sized type ID. */
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141
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142 /* C type table element. */
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143 typedef struct CType {
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144 CTInfo info; /* Type info. */
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145 CTSize size; /* Type size or other info. */
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146 CTypeID1 sib; /* Sibling element. */
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147 CTypeID1 next; /* Next element in hash chain. */
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148 GCRef name; /* Element name (GCstr). */
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149 } CType;
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150
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151 #define CTHASH_SIZE 128 /* Number of hash anchors. */
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152 #define CTHASH_MASK (CTHASH_SIZE-1)
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153
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154 /* Simplify target-specific configuration. Checked in lj_ccall.h. */
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155 #define CCALL_MAX_GPR 8
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156 #define CCALL_MAX_FPR 8
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157
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158 typedef LJ_ALIGN(8) union FPRCBArg { double d; float f[2]; } FPRCBArg;
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159
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160 /* C callback state. Defined here, to avoid dragging in lj_ccall.h. */
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161
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162 typedef LJ_ALIGN(8) struct CCallback {
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163 FPRCBArg fpr[CCALL_MAX_FPR]; /* Arguments/results in FPRs. */
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164 intptr_t gpr[CCALL_MAX_GPR]; /* Arguments/results in GPRs. */
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165 intptr_t *stack; /* Pointer to arguments on stack. */
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166 void *mcode; /* Machine code for callback func. pointers. */
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167 CTypeID1 *cbid; /* Callback type table. */
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168 MSize sizeid; /* Size of callback type table. */
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169 MSize topid; /* Highest unused callback type table slot. */
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170 MSize slot; /* Current callback slot. */
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171 } CCallback;
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172
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173 /* C type state. */
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174 typedef struct CTState {
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175 CType *tab; /* C type table. */
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176 CTypeID top; /* Current top of C type table. */
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177 MSize sizetab; /* Size of C type table. */
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178 lua_State *L; /* Lua state (needed for errors and allocations). */
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179 global_State *g; /* Global state. */
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180 GCtab *finalizer; /* Map of cdata to finalizer. */
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181 GCtab *miscmap; /* Map of -CTypeID to metatable and cb slot to func. */
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182 CCallback cb; /* Temporary callback state. */
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183 CTypeID1 hash[CTHASH_SIZE]; /* Hash anchors for C type table. */
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184 } CTState;
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185
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186 #define CTINFO(ct, flags) (((CTInfo)(ct) << CTSHIFT_NUM) + (flags))
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187 #define CTALIGN(al) ((CTSize)(al) << CTSHIFT_ALIGN)
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188 #define CTATTRIB(at) ((CTInfo)(at) << CTSHIFT_ATTRIB)
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189
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190 #define ctype_type(info) ((info) >> CTSHIFT_NUM)
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191 #define ctype_cid(info) ((CTypeID)((info) & CTMASK_CID))
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192 #define ctype_align(info) (((info) >> CTSHIFT_ALIGN) & CTMASK_ALIGN)
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193 #define ctype_attrib(info) (((info) >> CTSHIFT_ATTRIB) & CTMASK_ATTRIB)
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194 #define ctype_bitpos(info) (((info) >> CTSHIFT_BITPOS) & CTMASK_BITPOS)
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195 #define ctype_bitbsz(info) (((info) >> CTSHIFT_BITBSZ) & CTMASK_BITBSZ)
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196 #define ctype_bitcsz(info) (((info) >> CTSHIFT_BITCSZ) & CTMASK_BITCSZ)
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197 #define ctype_vsizeP(info) (((info) >> CTSHIFT_VSIZEP) & CTMASK_VSIZEP)
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198 #define ctype_msizeP(info) (((info) >> CTSHIFT_MSIZEP) & CTMASK_MSIZEP)
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199 #define ctype_cconv(info) (((info) >> CTSHIFT_CCONV) & CTMASK_CCONV)
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200
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201 /* Simple type checks. */
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202 #define ctype_isnum(info) (ctype_type((info)) == CT_NUM)
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203 #define ctype_isvoid(info) (ctype_type((info)) == CT_VOID)
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204 #define ctype_isptr(info) (ctype_type((info)) == CT_PTR)
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205 #define ctype_isarray(info) (ctype_type((info)) == CT_ARRAY)
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206 #define ctype_isstruct(info) (ctype_type((info)) == CT_STRUCT)
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207 #define ctype_isfunc(info) (ctype_type((info)) == CT_FUNC)
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208 #define ctype_isenum(info) (ctype_type((info)) == CT_ENUM)
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209 #define ctype_istypedef(info) (ctype_type((info)) == CT_TYPEDEF)
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210 #define ctype_isattrib(info) (ctype_type((info)) == CT_ATTRIB)
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211 #define ctype_isfield(info) (ctype_type((info)) == CT_FIELD)
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212 #define ctype_isbitfield(info) (ctype_type((info)) == CT_BITFIELD)
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213 #define ctype_isconstval(info) (ctype_type((info)) == CT_CONSTVAL)
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214 #define ctype_isextern(info) (ctype_type((info)) == CT_EXTERN)
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215 #define ctype_hassize(info) (ctype_type((info)) <= CT_HASSIZE)
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216
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217 /* Combined type and flag checks. */
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218 #define ctype_isinteger(info) \
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219 (((info) & (CTMASK_NUM|CTF_BOOL|CTF_FP)) == CTINFO(CT_NUM, 0))
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220 #define ctype_isinteger_or_bool(info) \
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221 (((info) & (CTMASK_NUM|CTF_FP)) == CTINFO(CT_NUM, 0))
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222 #define ctype_isbool(info) \
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223 (((info) & (CTMASK_NUM|CTF_BOOL)) == CTINFO(CT_NUM, CTF_BOOL))
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224 #define ctype_isfp(info) \
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225 (((info) & (CTMASK_NUM|CTF_FP)) == CTINFO(CT_NUM, CTF_FP))
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226
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227 #define ctype_ispointer(info) \
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228 ((ctype_type(info) >> 1) == (CT_PTR >> 1)) /* Pointer or array. */
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229 #define ctype_isref(info) \
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230 (((info) & (CTMASK_NUM|CTF_REF)) == CTINFO(CT_PTR, CTF_REF))
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231
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232 #define ctype_isrefarray(info) \
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233 (((info) & (CTMASK_NUM|CTF_VECTOR|CTF_COMPLEX)) == CTINFO(CT_ARRAY, 0))
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234 #define ctype_isvector(info) \
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235 (((info) & (CTMASK_NUM|CTF_VECTOR)) == CTINFO(CT_ARRAY, CTF_VECTOR))
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236 #define ctype_iscomplex(info) \
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237 (((info) & (CTMASK_NUM|CTF_COMPLEX)) == CTINFO(CT_ARRAY, CTF_COMPLEX))
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238
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239 #define ctype_isvltype(info) \
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240 (((info) & ((CTMASK_NUM|CTF_VLA) - (2u<<CTSHIFT_NUM))) == \
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241 CTINFO(CT_STRUCT, CTF_VLA)) /* VL array or VL struct. */
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242 #define ctype_isvlarray(info) \
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243 (((info) & (CTMASK_NUM|CTF_VLA)) == CTINFO(CT_ARRAY, CTF_VLA))
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244
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245 #define ctype_isxattrib(info, at) \
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246 (((info) & (CTMASK_NUM|CTATTRIB(CTMASK_ATTRIB))) == \
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247 CTINFO(CT_ATTRIB, CTATTRIB(at)))
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248
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249 /* Target-dependent sizes and alignments. */
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250 #if LJ_64
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251 #define CTSIZE_PTR 8
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252 #define CTALIGN_PTR CTALIGN(3)
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253 #else
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254 #define CTSIZE_PTR 4
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255 #define CTALIGN_PTR CTALIGN(2)
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256 #endif
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257
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258 #define CTINFO_REF(ref) \
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259 CTINFO(CT_PTR, (CTF_CONST|CTF_REF|CTALIGN_PTR) + (ref))
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260
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261 #define CT_MEMALIGN 3 /* Alignment guaranteed by memory allocator. */
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262
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263 #ifdef LUA_USE_ASSERT
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264 #define lj_assertCTS(c, ...) (lj_assertG_(cts->g, (c), __VA_ARGS__))
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265 #else
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266 #define lj_assertCTS(c, ...) ((void)cts)
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267 #endif
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268
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269 /* -- Predefined types ---------------------------------------------------- */
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270
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271 /* Target-dependent types. */
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272 #if LJ_TARGET_PPC
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273 #define CTTYDEFP(_) \
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274 _(LINT32, 4, CT_NUM, CTF_LONG|CTALIGN(2))
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275 #else
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276 #define CTTYDEFP(_)
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277 #endif
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278
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279 /* Common types. */
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280 #define CTTYDEF(_) \
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281 _(NONE, 0, CT_ATTRIB, CTATTRIB(CTA_BAD)) \
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282 _(VOID, -1, CT_VOID, CTALIGN(0)) \
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283 _(CVOID, -1, CT_VOID, CTF_CONST|CTALIGN(0)) \
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284 _(BOOL, 1, CT_NUM, CTF_BOOL|CTF_UNSIGNED|CTALIGN(0)) \
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285 _(CCHAR, 1, CT_NUM, CTF_CONST|CTF_UCHAR|CTALIGN(0)) \
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286 _(INT8, 1, CT_NUM, CTALIGN(0)) \
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287 _(UINT8, 1, CT_NUM, CTF_UNSIGNED|CTALIGN(0)) \
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288 _(INT16, 2, CT_NUM, CTALIGN(1)) \
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289 _(UINT16, 2, CT_NUM, CTF_UNSIGNED|CTALIGN(1)) \
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290 _(INT32, 4, CT_NUM, CTALIGN(2)) \
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291 _(UINT32, 4, CT_NUM, CTF_UNSIGNED|CTALIGN(2)) \
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292 _(INT64, 8, CT_NUM, CTF_LONG|CTALIGN(3)) \
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293 _(UINT64, 8, CT_NUM, CTF_UNSIGNED|CTF_LONG|CTALIGN(3)) \
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294 _(FLOAT, 4, CT_NUM, CTF_FP|CTALIGN(2)) \
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295 _(DOUBLE, 8, CT_NUM, CTF_FP|CTALIGN(3)) \
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296 _(COMPLEX_FLOAT, 8, CT_ARRAY, CTF_COMPLEX|CTALIGN(2)|CTID_FLOAT) \
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297 _(COMPLEX_DOUBLE, 16, CT_ARRAY, CTF_COMPLEX|CTALIGN(3)|CTID_DOUBLE) \
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298 _(P_VOID, CTSIZE_PTR, CT_PTR, CTALIGN_PTR|CTID_VOID) \
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299 _(P_CVOID, CTSIZE_PTR, CT_PTR, CTALIGN_PTR|CTID_CVOID) \
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300 _(P_CCHAR, CTSIZE_PTR, CT_PTR, CTALIGN_PTR|CTID_CCHAR) \
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301 _(P_UINT8, CTSIZE_PTR, CT_PTR, CTALIGN_PTR|CTID_UINT8) \
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302 _(A_CCHAR, -1, CT_ARRAY, CTF_CONST|CTALIGN(0)|CTID_CCHAR) \
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303 _(CTYPEID, 4, CT_ENUM, CTALIGN(2)|CTID_INT32) \
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304 CTTYDEFP(_) \
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305 /* End of type list. */
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306
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307 /* Public predefined type IDs. */
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308 enum {
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309 #define CTTYIDDEF(id, sz, ct, info) CTID_##id,
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310 CTTYDEF(CTTYIDDEF)
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311 #undef CTTYIDDEF
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312 /* Predefined typedefs and keywords follow. */
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313 CTID_MAX = 65536
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314 };
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315
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316 /* Target-dependent type IDs. */
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317 #if LJ_64
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318 #define CTID_INT_PSZ CTID_INT64
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319 #define CTID_UINT_PSZ CTID_UINT64
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320 #else
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321 #define CTID_INT_PSZ CTID_INT32
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322 #define CTID_UINT_PSZ CTID_UINT32
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323 #endif
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324
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325 #if LJ_ABI_WIN
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326 #define CTID_WCHAR CTID_UINT16
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327 #elif LJ_TARGET_PPC
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328 #define CTID_WCHAR CTID_LINT32
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329 #else
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330 #define CTID_WCHAR CTID_INT32
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331 #endif
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332
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333 /* -- C tokens and keywords ----------------------------------------------- */
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334
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335 /* C lexer keywords. */
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336 #define CTOKDEF(_) \
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337 _(IDENT, "<identifier>") _(STRING, "<string>") \
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338 _(INTEGER, "<integer>") _(EOF, "<eof>") \
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339 _(OROR, "||") _(ANDAND, "&&") _(EQ, "==") _(NE, "!=") \
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340 _(LE, "<=") _(GE, ">=") _(SHL, "<<") _(SHR, ">>") _(DEREF, "->")
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341
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342 /* Simple declaration specifiers. */
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343 #define CDSDEF(_) \
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344 _(VOID) _(BOOL) _(CHAR) _(INT) _(FP) \
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345 _(LONG) _(LONGLONG) _(SHORT) _(COMPLEX) _(SIGNED) _(UNSIGNED) \
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346 _(CONST) _(VOLATILE) _(RESTRICT) _(INLINE) \
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347 _(TYPEDEF) _(EXTERN) _(STATIC) _(AUTO) _(REGISTER)
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348
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349 /* C keywords. */
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350 #define CKWDEF(_) \
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351 CDSDEF(_) _(EXTENSION) _(ASM) _(ATTRIBUTE) \
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352 _(DECLSPEC) _(CCDECL) _(PTRSZ) \
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353 _(STRUCT) _(UNION) _(ENUM) \
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354 _(SIZEOF) _(ALIGNOF)
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355
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356 /* C token numbers. */
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357 enum {
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358 CTOK_OFS = 255,
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359 #define CTOKNUM(name, sym) CTOK_##name,
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360 #define CKWNUM(name) CTOK_##name,
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361 CTOKDEF(CTOKNUM)
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362 CKWDEF(CKWNUM)
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363 #undef CTOKNUM
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364 #undef CKWNUM
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365 CTOK_FIRSTDECL = CTOK_VOID,
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366 CTOK_FIRSTSCL = CTOK_TYPEDEF,
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diff changeset
367 CTOK_LASTDECLFLAG = CTOK_REGISTER,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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368 CTOK_LASTDECL = CTOK_ENUM
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369 };
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370
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371 /* Declaration specifier flags. */
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diff changeset
372 enum {
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373 #define CDSFLAG(name) CDF_##name = (1u << (CTOK_##name - CTOK_FIRSTDECL)),
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374 CDSDEF(CDSFLAG)
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375 #undef CDSFLAG
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376 CDF__END
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377 };
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378
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379 #define CDF_SCL (CDF_TYPEDEF|CDF_EXTERN|CDF_STATIC|CDF_AUTO|CDF_REGISTER)
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380
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381 /* -- C type management --------------------------------------------------- */
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382
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383 #define ctype_ctsG(g) (mref((g)->ctype_state, CTState))
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384
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385 /* Get C type state. */
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386 static LJ_AINLINE CTState *ctype_cts(lua_State *L)
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387 {
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388 CTState *cts = ctype_ctsG(G(L));
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389 cts->L = L; /* Save L for errors and allocations. */
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390 return cts;
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391 }
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392
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diff changeset
393 /* Load FFI library on-demand. */
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394 #define ctype_loadffi(L) \
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395 do { \
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396 if (!ctype_ctsG(G(L))) { \
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397 ptrdiff_t oldtop = (char *)L->top - mref(L->stack, char); \
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398 luaopen_ffi(L); \
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399 L->top = (TValue *)(mref(L->stack, char) + oldtop); \
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400 } \
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401 } while (0)
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diff changeset
402
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MrJuneJune <me@mrjunejune.com>
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diff changeset
403 /* Save and restore state of C type table. */
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diff changeset
404 #define LJ_CTYPE_SAVE(cts) CTState savects_ = *(cts)
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405 #define LJ_CTYPE_RESTORE(cts) \
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406 ((cts)->top = savects_.top, \
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diff changeset
407 memcpy((cts)->hash, savects_.hash, sizeof(savects_.hash)))
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diff changeset
408
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MrJuneJune <me@mrjunejune.com>
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diff changeset
409 /* Check C type ID for validity when assertions are enabled. */
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410 static LJ_AINLINE CTypeID ctype_check(CTState *cts, CTypeID id)
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411 {
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diff changeset
412 UNUSED(cts);
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413 lj_assertCTS(id > 0 && id < cts->top, "bad CTID %d", id);
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diff changeset
414 return id;
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diff changeset
415 }
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parents:
diff changeset
416
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diff changeset
417 /* Get C type for C type ID. */
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diff changeset
418 static LJ_AINLINE CType *ctype_get(CTState *cts, CTypeID id)
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419 {
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420 return &cts->tab[ctype_check(cts, id)];
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421 }
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diff changeset
422
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
423 /* Get C type ID for a C type. */
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diff changeset
424 #define ctype_typeid(cts, ct) ((CTypeID)((ct) - (cts)->tab))
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diff changeset
425
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diff changeset
426 /* Get child C type. */
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diff changeset
427 static LJ_AINLINE CType *ctype_child(CTState *cts, CType *ct)
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diff changeset
428 {
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diff changeset
429 lj_assertCTS(!(ctype_isvoid(ct->info) || ctype_isstruct(ct->info) ||
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diff changeset
430 ctype_isbitfield(ct->info)),
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diff changeset
431 "ctype %08x has no children", ct->info);
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diff changeset
432 return ctype_get(cts, ctype_cid(ct->info));
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diff changeset
433 }
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parents:
diff changeset
434
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MrJuneJune <me@mrjunejune.com>
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diff changeset
435 /* Get raw type for a C type ID. */
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MrJuneJune <me@mrjunejune.com>
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diff changeset
436 static LJ_AINLINE CType *ctype_raw(CTState *cts, CTypeID id)
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diff changeset
437 {
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diff changeset
438 CType *ct = ctype_get(cts, id);
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diff changeset
439 while (ctype_isattrib(ct->info)) ct = ctype_child(cts, ct);
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diff changeset
440 return ct;
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parents:
diff changeset
441 }
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
442
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MrJuneJune <me@mrjunejune.com>
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diff changeset
443 /* Get raw type of the child of a C type. */
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
444 static LJ_AINLINE CType *ctype_rawchild(CTState *cts, CType *ct)
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parents:
diff changeset
445 {
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diff changeset
446 do { ct = ctype_child(cts, ct); } while (ctype_isattrib(ct->info));
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diff changeset
447 return ct;
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diff changeset
448 }
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MrJuneJune <me@mrjunejune.com>
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diff changeset
449
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MrJuneJune <me@mrjunejune.com>
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diff changeset
450 /* Set the name of a C type table element. */
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diff changeset
451 static LJ_AINLINE void ctype_setname(CType *ct, GCstr *s)
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
452 {
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
453 /* NOBARRIER: mark string as fixed -- the C type table is never collected. */
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diff changeset
454 fixstring(s);
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parents:
diff changeset
455 setgcref(ct->name, obj2gco(s));
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
456 }
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
457
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MrJuneJune <me@mrjunejune.com>
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diff changeset
458 LJ_FUNC CTypeID lj_ctype_new(CTState *cts, CType **ctp);
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parents:
diff changeset
459 LJ_FUNC CTypeID lj_ctype_intern(CTState *cts, CTInfo info, CTSize size);
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parents:
diff changeset
460 LJ_FUNC void lj_ctype_addname(CTState *cts, CType *ct, CTypeID id);
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parents:
diff changeset
461 LJ_FUNC CTypeID lj_ctype_getname(CTState *cts, CType **ctp, GCstr *name,
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
462 uint32_t tmask);
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MrJuneJune <me@mrjunejune.com>
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diff changeset
463 LJ_FUNC CType *lj_ctype_getfieldq(CTState *cts, CType *ct, GCstr *name,
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diff changeset
464 CTSize *ofs, CTInfo *qual);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
465 #define lj_ctype_getfield(cts, ct, name, ofs) \
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parents:
diff changeset
466 lj_ctype_getfieldq((cts), (ct), (name), (ofs), NULL)
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parents:
diff changeset
467 LJ_FUNC CType *lj_ctype_rawref(CTState *cts, CTypeID id);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
468 LJ_FUNC CTSize lj_ctype_size(CTState *cts, CTypeID id);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
469 LJ_FUNC CTSize lj_ctype_vlsize(CTState *cts, CType *ct, CTSize nelem);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
470 LJ_FUNC CTInfo lj_ctype_info(CTState *cts, CTypeID id, CTSize *szp);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
471 LJ_FUNC CTInfo lj_ctype_info_raw(CTState *cts, CTypeID id, CTSize *szp);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
472 LJ_FUNC cTValue *lj_ctype_meta(CTState *cts, CTypeID id, MMS mm);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
473 LJ_FUNC GCstr *lj_ctype_repr(lua_State *L, CTypeID id, GCstr *name);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
474 LJ_FUNC GCstr *lj_ctype_repr_int64(lua_State *L, uint64_t n, int isunsigned);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
475 LJ_FUNC GCstr *lj_ctype_repr_complex(lua_State *L, void *sp, CTSize size);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
476 LJ_FUNC CTState *lj_ctype_init(lua_State *L);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
477 LJ_FUNC void lj_ctype_freestate(global_State *g);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
478
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
479 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
480
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
481 #endif