Code style in 'ldump'/'lundump'.
- function names start with lower case; - state is always the first parameter.
This commit is contained in:
146
lundump.c
146
lundump.c
@@ -44,21 +44,21 @@ static l_noret error (LoadState *S, const char *why) {
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/*
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** All high-level loads go through LoadVector; you can change it to
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** All high-level loads go through loadVector; you can change it to
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** adapt to the endianness of the input
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*/
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#define LoadVector(S,b,n) LoadBlock(S,b,(n)*sizeof((b)[0]))
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#define loadVector(S,b,n) loadBlock(S,b,(n)*sizeof((b)[0]))
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static void LoadBlock (LoadState *S, void *b, size_t size) {
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static void loadBlock (LoadState *S, void *b, size_t size) {
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if (luaZ_read(S->Z, b, size) != 0)
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error(S, "truncated chunk");
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}
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#define LoadVar(S,x) LoadVector(S,&x,1)
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#define loadVar(S,x) loadVector(S,&x,1)
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static lu_byte LoadByte (LoadState *S) {
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static lu_byte loadByte (LoadState *S) {
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int b = zgetc(S->Z);
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if (b == EOZ)
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error(S, "truncated chunk");
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@@ -66,12 +66,12 @@ static lu_byte LoadByte (LoadState *S) {
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}
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static size_t LoadUnsigned (LoadState *S, size_t limit) {
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static size_t loadUnsigned (LoadState *S, size_t limit) {
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size_t x = 0;
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int b;
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limit >>= 7;
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do {
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b = LoadByte(S);
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b = loadByte(S);
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if (x >= limit)
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error(S, "integer overflow");
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x = (x << 7) | (b & 0x7f);
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@@ -80,45 +80,45 @@ static size_t LoadUnsigned (LoadState *S, size_t limit) {
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}
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static size_t LoadSize (LoadState *S) {
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return LoadUnsigned(S, ~(size_t)0);
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static size_t loadSize (LoadState *S) {
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return loadUnsigned(S, ~(size_t)0);
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}
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static int LoadInt (LoadState *S) {
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return cast_int(LoadUnsigned(S, INT_MAX));
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static int loadInt (LoadState *S) {
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return cast_int(loadUnsigned(S, INT_MAX));
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}
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static lua_Number LoadNumber (LoadState *S) {
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static lua_Number loadNumber (LoadState *S) {
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lua_Number x;
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LoadVar(S, x);
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loadVar(S, x);
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return x;
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}
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static lua_Integer LoadInteger (LoadState *S) {
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static lua_Integer loadInteger (LoadState *S) {
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lua_Integer x;
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LoadVar(S, x);
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loadVar(S, x);
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return x;
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}
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/*
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** Load a nullable string
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** Load a nullable string.
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*/
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static TString *LoadStringN (LoadState *S) {
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size_t size = LoadSize(S);
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static TString *loadStringN (LoadState *S) {
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size_t size = loadSize(S);
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if (size == 0)
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return NULL;
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else if (--size <= LUAI_MAXSHORTLEN) { /* short string? */
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char buff[LUAI_MAXSHORTLEN];
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LoadVector(S, buff, size);
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loadVector(S, buff, size);
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return luaS_newlstr(S->L, buff, size);
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}
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else { /* long string */
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TString *ts = luaS_createlngstrobj(S->L, size);
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LoadVector(S, getstr(ts), size); /* load directly in final place */
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loadVector(S, getstr(ts), size); /* load directly in final place */
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return ts;
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}
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}
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@@ -127,35 +127,35 @@ static TString *LoadStringN (LoadState *S) {
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/*
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** Load a non-nullable string.
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*/
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static TString *LoadString (LoadState *S) {
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TString *st = LoadStringN(S);
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static TString *loadString (LoadState *S) {
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TString *st = loadStringN(S);
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if (st == NULL)
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error(S, "bad format for constant string");
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return st;
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}
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static void LoadCode (LoadState *S, Proto *f) {
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int n = LoadInt(S);
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static void loadCode (LoadState *S, Proto *f) {
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int n = loadInt(S);
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f->code = luaM_newvectorchecked(S->L, n, Instruction);
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f->sizecode = n;
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LoadVector(S, f->code, n);
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loadVector(S, f->code, n);
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}
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static void LoadFunction(LoadState *S, Proto *f, TString *psource);
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static void loadFunction(LoadState *S, Proto *f, TString *psource);
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static void LoadConstants (LoadState *S, Proto *f) {
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static void loadConstants (LoadState *S, Proto *f) {
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int i;
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int n = LoadInt(S);
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int n = loadInt(S);
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f->k = luaM_newvectorchecked(S->L, n, TValue);
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f->sizek = n;
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for (i = 0; i < n; i++)
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setnilvalue(&f->k[i]);
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for (i = 0; i < n; i++) {
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TValue *o = &f->k[i];
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int t = LoadByte(S);
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int t = loadByte(S);
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switch (t) {
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case LUA_VNIL:
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setnilvalue(o);
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@@ -167,14 +167,14 @@ static void LoadConstants (LoadState *S, Proto *f) {
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setbtvalue(o);
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break;
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case LUA_VNUMFLT:
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setfltvalue(o, LoadNumber(S));
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setfltvalue(o, loadNumber(S));
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break;
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case LUA_VNUMINT:
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setivalue(o, LoadInteger(S));
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setivalue(o, loadInteger(S));
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break;
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case LUA_VSHRSTR:
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case LUA_VLNGSTR:
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setsvalue2n(S->L, o, LoadString(S));
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setsvalue2n(S->L, o, loadString(S));
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break;
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default: lua_assert(0);
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}
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@@ -182,91 +182,91 @@ static void LoadConstants (LoadState *S, Proto *f) {
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}
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static void LoadProtos (LoadState *S, Proto *f) {
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static void loadProtos (LoadState *S, Proto *f) {
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int i;
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int n = LoadInt(S);
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int n = loadInt(S);
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f->p = luaM_newvectorchecked(S->L, n, Proto *);
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f->sizep = n;
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for (i = 0; i < n; i++)
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f->p[i] = NULL;
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for (i = 0; i < n; i++) {
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f->p[i] = luaF_newproto(S->L);
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LoadFunction(S, f->p[i], f->source);
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loadFunction(S, f->p[i], f->source);
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}
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}
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static void LoadUpvalues (LoadState *S, Proto *f) {
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static void loadUpvalues (LoadState *S, Proto *f) {
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int i, n;
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n = LoadInt(S);
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n = loadInt(S);
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f->upvalues = luaM_newvectorchecked(S->L, n, Upvaldesc);
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f->sizeupvalues = n;
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for (i = 0; i < n; i++) {
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f->upvalues[i].name = NULL;
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f->upvalues[i].instack = LoadByte(S);
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f->upvalues[i].idx = LoadByte(S);
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f->upvalues[i].kind = LoadByte(S);
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f->upvalues[i].instack = loadByte(S);
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f->upvalues[i].idx = loadByte(S);
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f->upvalues[i].kind = loadByte(S);
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}
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}
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static void LoadDebug (LoadState *S, Proto *f) {
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static void loadDebug (LoadState *S, Proto *f) {
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int i, n;
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n = LoadInt(S);
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n = loadInt(S);
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f->lineinfo = luaM_newvectorchecked(S->L, n, ls_byte);
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f->sizelineinfo = n;
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LoadVector(S, f->lineinfo, n);
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n = LoadInt(S);
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loadVector(S, f->lineinfo, n);
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n = loadInt(S);
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f->abslineinfo = luaM_newvectorchecked(S->L, n, AbsLineInfo);
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f->sizeabslineinfo = n;
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for (i = 0; i < n; i++) {
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f->abslineinfo[i].pc = LoadInt(S);
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f->abslineinfo[i].line = LoadInt(S);
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f->abslineinfo[i].pc = loadInt(S);
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f->abslineinfo[i].line = loadInt(S);
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}
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n = LoadInt(S);
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n = loadInt(S);
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f->locvars = luaM_newvectorchecked(S->L, n, LocVar);
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f->sizelocvars = n;
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for (i = 0; i < n; i++)
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f->locvars[i].varname = NULL;
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for (i = 0; i < n; i++) {
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f->locvars[i].varname = LoadStringN(S);
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f->locvars[i].startpc = LoadInt(S);
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f->locvars[i].endpc = LoadInt(S);
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f->locvars[i].varname = loadStringN(S);
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f->locvars[i].startpc = loadInt(S);
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f->locvars[i].endpc = loadInt(S);
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}
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n = LoadInt(S);
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n = loadInt(S);
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for (i = 0; i < n; i++)
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f->upvalues[i].name = LoadStringN(S);
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f->upvalues[i].name = loadStringN(S);
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}
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static void LoadFunction (LoadState *S, Proto *f, TString *psource) {
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f->source = LoadStringN(S);
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static void loadFunction (LoadState *S, Proto *f, TString *psource) {
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f->source = loadStringN(S);
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if (f->source == NULL) /* no source in dump? */
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f->source = psource; /* reuse parent's source */
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f->linedefined = LoadInt(S);
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f->lastlinedefined = LoadInt(S);
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f->numparams = LoadByte(S);
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f->is_vararg = LoadByte(S);
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f->maxstacksize = LoadByte(S);
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LoadCode(S, f);
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LoadConstants(S, f);
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LoadUpvalues(S, f);
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LoadProtos(S, f);
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LoadDebug(S, f);
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f->linedefined = loadInt(S);
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f->lastlinedefined = loadInt(S);
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f->numparams = loadByte(S);
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f->is_vararg = loadByte(S);
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f->maxstacksize = loadByte(S);
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loadCode(S, f);
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loadConstants(S, f);
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loadUpvalues(S, f);
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loadProtos(S, f);
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loadDebug(S, f);
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}
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static void checkliteral (LoadState *S, const char *s, const char *msg) {
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char buff[sizeof(LUA_SIGNATURE) + sizeof(LUAC_DATA)]; /* larger than both */
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size_t len = strlen(s);
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LoadVector(S, buff, len);
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loadVector(S, buff, len);
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if (memcmp(s, buff, len) != 0)
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error(S, msg);
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}
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static void fchecksize (LoadState *S, size_t size, const char *tname) {
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if (LoadByte(S) != size)
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if (loadByte(S) != size)
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error(S, luaO_pushfstring(S->L, "%s size mismatch", tname));
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}
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@@ -276,23 +276,23 @@ static void fchecksize (LoadState *S, size_t size, const char *tname) {
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static void checkHeader (LoadState *S) {
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/* skip 1st char (already read and checked) */
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checkliteral(S, &LUA_SIGNATURE[1], "not a binary chunk");
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if (LoadInt(S) != LUAC_VERSION)
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if (loadInt(S) != LUAC_VERSION)
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error(S, "version mismatch");
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if (LoadByte(S) != LUAC_FORMAT)
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if (loadByte(S) != LUAC_FORMAT)
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error(S, "format mismatch");
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checkliteral(S, LUAC_DATA, "corrupted chunk");
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checksize(S, Instruction);
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checksize(S, lua_Integer);
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checksize(S, lua_Number);
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if (LoadInteger(S) != LUAC_INT)
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if (loadInteger(S) != LUAC_INT)
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error(S, "integer format mismatch");
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if (LoadNumber(S) != LUAC_NUM)
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if (loadNumber(S) != LUAC_NUM)
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error(S, "float format mismatch");
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}
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/*
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** load precompiled chunk
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** Load precompiled chunk.
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*/
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LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
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LoadState S;
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@@ -306,11 +306,11 @@ LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
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S.L = L;
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S.Z = Z;
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checkHeader(&S);
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cl = luaF_newLclosure(L, LoadByte(&S));
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cl = luaF_newLclosure(L, loadByte(&S));
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setclLvalue2s(L, L->top, cl);
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luaD_inctop(L);
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cl->p = luaF_newproto(L);
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LoadFunction(&S, cl->p, NULL);
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loadFunction(&S, cl->p, NULL);
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lua_assert(cl->nupvalues == cl->p->sizeupvalues);
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luai_verifycode(L, buff, cl->p);
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return cl;
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