diff options
Diffstat (limited to 'src/lua-5.3/ldump.c')
| -rw-r--r-- | src/lua-5.3/ldump.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/lua-5.3/ldump.c b/src/lua-5.3/ldump.c deleted file mode 100644 index f025aca..0000000 --- a/src/lua-5.3/ldump.c +++ /dev/null | |||
| @@ -1,215 +0,0 @@ | |||
| 1 | /* | ||
| 2 | ** $Id: ldump.c,v 2.37.1.1 2017/04/19 17:20:42 roberto Exp $ | ||
| 3 | ** save precompiled Lua chunks | ||
| 4 | ** See Copyright Notice in lua.h | ||
| 5 | */ | ||
| 6 | |||
| 7 | #define ldump_c | ||
| 8 | #define LUA_CORE | ||
| 9 | |||
| 10 | #include "lprefix.h" | ||
| 11 | |||
| 12 | |||
| 13 | #include <stddef.h> | ||
| 14 | |||
| 15 | #include "lua.h" | ||
| 16 | |||
| 17 | #include "lobject.h" | ||
| 18 | #include "lstate.h" | ||
| 19 | #include "lundump.h" | ||
| 20 | |||
| 21 | |||
| 22 | typedef struct { | ||
| 23 | lua_State *L; | ||
| 24 | lua_Writer writer; | ||
| 25 | void *data; | ||
| 26 | int strip; | ||
| 27 | int status; | ||
| 28 | } DumpState; | ||
| 29 | |||
| 30 | |||
| 31 | /* | ||
| 32 | ** All high-level dumps go through DumpVector; you can change it to | ||
| 33 | ** change the endianness of the result | ||
| 34 | */ | ||
| 35 | #define DumpVector(v,n,D) DumpBlock(v,(n)*sizeof((v)[0]),D) | ||
| 36 | |||
| 37 | #define DumpLiteral(s,D) DumpBlock(s, sizeof(s) - sizeof(char), D) | ||
| 38 | |||
| 39 | |||
| 40 | static void DumpBlock (const void *b, size_t size, DumpState *D) { | ||
| 41 | if (D->status == 0 && size > 0) { | ||
| 42 | lua_unlock(D->L); | ||
| 43 | D->status = (*D->writer)(D->L, b, size, D->data); | ||
| 44 | lua_lock(D->L); | ||
| 45 | } | ||
| 46 | } | ||
| 47 | |||
| 48 | |||
| 49 | #define DumpVar(x,D) DumpVector(&x,1,D) | ||
| 50 | |||
| 51 | |||
| 52 | static void DumpByte (int y, DumpState *D) { | ||
| 53 | lu_byte x = (lu_byte)y; | ||
| 54 | DumpVar(x, D); | ||
| 55 | } | ||
| 56 | |||
| 57 | |||
| 58 | static void DumpInt (int x, DumpState *D) { | ||
| 59 | DumpVar(x, D); | ||
| 60 | } | ||
| 61 | |||
| 62 | |||
| 63 | static void DumpNumber (lua_Number x, DumpState *D) { | ||
| 64 | DumpVar(x, D); | ||
| 65 | } | ||
| 66 | |||
| 67 | |||
| 68 | static void DumpInteger (lua_Integer x, DumpState *D) { | ||
| 69 | DumpVar(x, D); | ||
| 70 | } | ||
| 71 | |||
| 72 | |||
| 73 | static void DumpString (const TString *s, DumpState *D) { | ||
| 74 | if (s == NULL) | ||
| 75 | DumpByte(0, D); | ||
| 76 | else { | ||
| 77 | size_t size = tsslen(s) + 1; /* include trailing '\0' */ | ||
| 78 | const char *str = getstr(s); | ||
| 79 | if (size < 0xFF) | ||
| 80 | DumpByte(cast_int(size), D); | ||
| 81 | else { | ||
| 82 | DumpByte(0xFF, D); | ||
| 83 | DumpVar(size, D); | ||
| 84 | } | ||
| 85 | DumpVector(str, size - 1, D); /* no need to save '\0' */ | ||
| 86 | } | ||
| 87 | } | ||
| 88 | |||
| 89 | |||
| 90 | static void DumpCode (const Proto *f, DumpState *D) { | ||
| 91 | DumpInt(f->sizecode, D); | ||
| 92 | DumpVector(f->code, f->sizecode, D); | ||
| 93 | } | ||
| 94 | |||
| 95 | |||
| 96 | static void DumpFunction(const Proto *f, TString *psource, DumpState *D); | ||
| 97 | |||
| 98 | static void DumpConstants (const Proto *f, DumpState *D) { | ||
| 99 | int i; | ||
| 100 | int n = f->sizek; | ||
| 101 | DumpInt(n, D); | ||
| 102 | for (i = 0; i < n; i++) { | ||
| 103 | const TValue *o = &f->k[i]; | ||
| 104 | DumpByte(ttype(o), D); | ||
| 105 | switch (ttype(o)) { | ||
| 106 | case LUA_TNIL: | ||
| 107 | break; | ||
| 108 | case LUA_TBOOLEAN: | ||
| 109 | DumpByte(bvalue(o), D); | ||
| 110 | break; | ||
| 111 | case LUA_TNUMFLT: | ||
| 112 | DumpNumber(fltvalue(o), D); | ||
| 113 | break; | ||
| 114 | case LUA_TNUMINT: | ||
| 115 | DumpInteger(ivalue(o), D); | ||
| 116 | break; | ||
| 117 | case LUA_TSHRSTR: | ||
| 118 | case LUA_TLNGSTR: | ||
| 119 | DumpString(tsvalue(o), D); | ||
| 120 | break; | ||
| 121 | default: | ||
| 122 | lua_assert(0); | ||
| 123 | } | ||
| 124 | } | ||
| 125 | } | ||
| 126 | |||
| 127 | |||
| 128 | static void DumpProtos (const Proto *f, DumpState *D) { | ||
| 129 | int i; | ||
| 130 | int n = f->sizep; | ||
| 131 | DumpInt(n, D); | ||
| 132 | for (i = 0; i < n; i++) | ||
| 133 | DumpFunction(f->p[i], f->source, D); | ||
| 134 | } | ||
| 135 | |||
| 136 | |||
| 137 | static void DumpUpvalues (const Proto *f, DumpState *D) { | ||
| 138 | int i, n = f->sizeupvalues; | ||
| 139 | DumpInt(n, D); | ||
| 140 | for (i = 0; i < n; i++) { | ||
| 141 | DumpByte(f->upvalues[i].instack, D); | ||
| 142 | DumpByte(f->upvalues[i].idx, D); | ||
| 143 | } | ||
| 144 | } | ||
| 145 | |||
| 146 | |||
| 147 | static void DumpDebug (const Proto *f, DumpState *D) { | ||
| 148 | int i, n; | ||
| 149 | n = (D->strip) ? 0 : f->sizelineinfo; | ||
| 150 | DumpInt(n, D); | ||
| 151 | DumpVector(f->lineinfo, n, D); | ||
| 152 | n = (D->strip) ? 0 : f->sizelocvars; | ||
| 153 | DumpInt(n, D); | ||
| 154 | for (i = 0; i < n; i++) { | ||
| 155 | DumpString(f->locvars[i].varname, D); | ||
| 156 | DumpInt(f->locvars[i].startpc, D); | ||
| 157 | DumpInt(f->locvars[i].endpc, D); | ||
| 158 | } | ||
| 159 | n = (D->strip) ? 0 : f->sizeupvalues; | ||
| 160 | DumpInt(n, D); | ||
| 161 | for (i = 0; i < n; i++) | ||
| 162 | DumpString(f->upvalues[i].name, D); | ||
| 163 | } | ||
| 164 | |||
| 165 | |||
| 166 | static void DumpFunction (const Proto *f, TString *psource, DumpState *D) { | ||
| 167 | if (D->strip || f->source == psource) | ||
| 168 | DumpString(NULL, D); /* no debug info or same source as its parent */ | ||
| 169 | else | ||
| 170 | DumpString(f->source, D); | ||
| 171 | DumpInt(f->linedefined, D); | ||
| 172 | DumpInt(f->lastlinedefined, D); | ||
| 173 | DumpByte(f->numparams, D); | ||
| 174 | DumpByte(f->is_vararg, D); | ||
| 175 | DumpByte(f->maxstacksize, D); | ||
| 176 | DumpCode(f, D); | ||
| 177 | DumpConstants(f, D); | ||
| 178 | DumpUpvalues(f, D); | ||
| 179 | DumpProtos(f, D); | ||
| 180 | DumpDebug(f, D); | ||
| 181 | } | ||
| 182 | |||
| 183 | |||
| 184 | static void DumpHeader (DumpState *D) { | ||
| 185 | DumpLiteral(LUA_SIGNATURE, D); | ||
| 186 | DumpByte(LUAC_VERSION, D); | ||
| 187 | DumpByte(LUAC_FORMAT, D); | ||
| 188 | DumpLiteral(LUAC_DATA, D); | ||
| 189 | DumpByte(sizeof(int), D); | ||
| 190 | DumpByte(sizeof(size_t), D); | ||
| 191 | DumpByte(sizeof(Instruction), D); | ||
| 192 | DumpByte(sizeof(lua_Integer), D); | ||
| 193 | DumpByte(sizeof(lua_Number), D); | ||
| 194 | DumpInteger(LUAC_INT, D); | ||
| 195 | DumpNumber(LUAC_NUM, D); | ||
| 196 | } | ||
| 197 | |||
| 198 | |||
| 199 | /* | ||
| 200 | ** dump Lua function as precompiled chunk | ||
| 201 | */ | ||
| 202 | int luaU_dump(lua_State *L, const Proto *f, lua_Writer w, void *data, | ||
| 203 | int strip) { | ||
| 204 | DumpState D; | ||
| 205 | D.L = L; | ||
| 206 | D.writer = w; | ||
| 207 | D.data = data; | ||
| 208 | D.strip = strip; | ||
| 209 | D.status = 0; | ||
| 210 | DumpHeader(&D); | ||
| 211 | DumpByte(f->sizeupvalues, &D); | ||
| 212 | DumpFunction(f, NULL, &D); | ||
| 213 | return D.status; | ||
| 214 | } | ||
| 215 | |||
