mirror of https://github.com/lua/lua
Code style in 'ldump'/'lundump'.
- function names start with lower case; - state is always the first parameter.
This commit is contained in:
parent
6eb53b7526
commit
e8a52281d9
152
ldump.c
152
ldump.c
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@ -29,15 +29,15 @@ typedef struct {
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/*
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** All high-level dumps go through DumpVector; you can change it to
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** All high-level dumps go through dumpVector; you can change it to
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** change the endianness of the result
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*/
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#define DumpVector(v,n,D) DumpBlock(v,(n)*sizeof((v)[0]),D)
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#define dumpVector(D,v,n) dumpBlock(D,v,(n)*sizeof((v)[0]))
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#define DumpLiteral(s,D) DumpBlock(s, sizeof(s) - sizeof(char), D)
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#define dumpLiteral(D, s) dumpBlock(D,s,sizeof(s) - sizeof(char))
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static void DumpBlock (const void *b, size_t size, DumpState *D) {
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static void dumpBlock (DumpState *D, const void *b, size_t size) {
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if (D->status == 0 && size > 0) {
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lua_unlock(D->L);
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D->status = (*D->writer)(D->L, b, size, D->data);
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@ -46,19 +46,19 @@ static void DumpBlock (const void *b, size_t size, DumpState *D) {
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}
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#define DumpVar(x,D) DumpVector(&x,1,D)
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#define dumpVar(D,x) dumpVector(D,&x,1)
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static void DumpByte (int y, DumpState *D) {
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static void dumpByte (DumpState *D, int y) {
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lu_byte x = (lu_byte)y;
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DumpVar(x, D);
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dumpVar(D, x);
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}
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/* DumpInt Buff Size */
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/* dumpInt Buff Size */
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#define DIBS ((sizeof(size_t) * 8 / 7) + 1)
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static void DumpSize (size_t x, DumpState *D) {
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static void dumpSize (DumpState *D, size_t x) {
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lu_byte buff[DIBS];
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int n = 0;
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do {
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@ -66,63 +66,63 @@ static void DumpSize (size_t x, DumpState *D) {
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x >>= 7;
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} while (x != 0);
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buff[DIBS - 1] |= 0x80; /* mark last byte */
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DumpVector(buff + DIBS - n, n, D);
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dumpVector(D, buff + DIBS - n, n);
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}
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static void DumpInt (int x, DumpState *D) {
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DumpSize(x, D);
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static void dumpInt (DumpState *D, int x) {
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dumpSize(D, x);
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}
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static void DumpNumber (lua_Number x, DumpState *D) {
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DumpVar(x, D);
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static void dumpNumber (DumpState *D, lua_Number x) {
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dumpVar(D, x);
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}
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static void DumpInteger (lua_Integer x, DumpState *D) {
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DumpVar(x, D);
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static void dumpInteger (DumpState *D, lua_Integer x) {
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dumpVar(D, x);
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}
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static void DumpString (const TString *s, DumpState *D) {
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static void dumpString (DumpState *D, const TString *s) {
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if (s == NULL)
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DumpSize(0, D);
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dumpSize(D, 0);
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else {
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size_t size = tsslen(s);
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const char *str = getstr(s);
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DumpSize(size + 1, D);
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DumpVector(str, size, D);
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dumpSize(D, size + 1);
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dumpVector(D, str, size);
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}
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}
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static void DumpCode (const Proto *f, DumpState *D) {
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DumpInt(f->sizecode, D);
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DumpVector(f->code, f->sizecode, D);
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static void dumpCode (DumpState *D, const Proto *f) {
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dumpInt(D, f->sizecode);
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dumpVector(D, f->code, f->sizecode);
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}
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static void DumpFunction(const Proto *f, TString *psource, DumpState *D);
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static void dumpFunction(DumpState *D, const Proto *f, TString *psource);
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static void DumpConstants (const Proto *f, DumpState *D) {
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static void dumpConstants (DumpState *D, const Proto *f) {
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int i;
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int n = f->sizek;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++) {
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const TValue *o = &f->k[i];
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int tt = ttypetag(o);
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DumpByte(tt, D);
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dumpByte(D, tt);
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switch (tt) {
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case LUA_VNUMFLT:
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DumpNumber(fltvalue(o), D);
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dumpNumber(D, fltvalue(o));
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break;
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case LUA_VNUMINT:
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DumpInteger(ivalue(o), D);
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dumpInteger(D, ivalue(o));
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break;
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case LUA_VSHRSTR:
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case LUA_VLNGSTR:
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DumpString(tsvalue(o), D);
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dumpString(D, tsvalue(o));
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break;
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default:
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lua_assert(tt == LUA_VNIL || tt == LUA_VFALSE || tt == LUA_VTRUE);
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@ -131,79 +131,79 @@ static void DumpConstants (const Proto *f, DumpState *D) {
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}
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static void DumpProtos (const Proto *f, DumpState *D) {
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static void dumpProtos (DumpState *D, const Proto *f) {
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int i;
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int n = f->sizep;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++)
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DumpFunction(f->p[i], f->source, D);
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dumpFunction(D, f->p[i], f->source);
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}
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static void DumpUpvalues (const Proto *f, DumpState *D) {
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static void dumpUpvalues (DumpState *D, const Proto *f) {
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int i, n = f->sizeupvalues;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++) {
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DumpByte(f->upvalues[i].instack, D);
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DumpByte(f->upvalues[i].idx, D);
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DumpByte(f->upvalues[i].kind, D);
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dumpByte(D, f->upvalues[i].instack);
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dumpByte(D, f->upvalues[i].idx);
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dumpByte(D, f->upvalues[i].kind);
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}
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}
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static void DumpDebug (const Proto *f, DumpState *D) {
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static void dumpDebug (DumpState *D, const Proto *f) {
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int i, n;
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n = (D->strip) ? 0 : f->sizelineinfo;
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DumpInt(n, D);
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DumpVector(f->lineinfo, n, D);
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dumpInt(D, n);
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dumpVector(D, f->lineinfo, n);
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n = (D->strip) ? 0 : f->sizeabslineinfo;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++) {
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DumpInt(f->abslineinfo[i].pc, D);
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DumpInt(f->abslineinfo[i].line, D);
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dumpInt(D, f->abslineinfo[i].pc);
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dumpInt(D, f->abslineinfo[i].line);
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}
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n = (D->strip) ? 0 : f->sizelocvars;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++) {
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DumpString(f->locvars[i].varname, D);
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DumpInt(f->locvars[i].startpc, D);
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DumpInt(f->locvars[i].endpc, D);
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dumpString(D, f->locvars[i].varname);
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dumpInt(D, f->locvars[i].startpc);
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dumpInt(D, f->locvars[i].endpc);
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}
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n = (D->strip) ? 0 : f->sizeupvalues;
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DumpInt(n, D);
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dumpInt(D, n);
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for (i = 0; i < n; i++)
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DumpString(f->upvalues[i].name, D);
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dumpString(D, f->upvalues[i].name);
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}
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static void DumpFunction (const Proto *f, TString *psource, DumpState *D) {
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static void dumpFunction (DumpState *D, const Proto *f, TString *psource) {
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if (D->strip || f->source == psource)
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DumpString(NULL, D); /* no debug info or same source as its parent */
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dumpString(D, NULL); /* no debug info or same source as its parent */
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else
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DumpString(f->source, D);
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DumpInt(f->linedefined, D);
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DumpInt(f->lastlinedefined, D);
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DumpByte(f->numparams, D);
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DumpByte(f->is_vararg, D);
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DumpByte(f->maxstacksize, D);
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DumpCode(f, D);
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DumpConstants(f, D);
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DumpUpvalues(f, D);
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DumpProtos(f, D);
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DumpDebug(f, D);
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dumpString(D, f->source);
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dumpInt(D, f->linedefined);
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dumpInt(D, f->lastlinedefined);
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dumpByte(D, f->numparams);
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dumpByte(D, f->is_vararg);
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dumpByte(D, f->maxstacksize);
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dumpCode(D, f);
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dumpConstants(D, f);
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dumpUpvalues(D, f);
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dumpProtos(D, f);
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dumpDebug(D, f);
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}
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static void DumpHeader (DumpState *D) {
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DumpLiteral(LUA_SIGNATURE, D);
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DumpInt(LUAC_VERSION, D);
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DumpByte(LUAC_FORMAT, D);
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DumpLiteral(LUAC_DATA, D);
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DumpByte(sizeof(Instruction), D);
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DumpByte(sizeof(lua_Integer), D);
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DumpByte(sizeof(lua_Number), D);
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DumpInteger(LUAC_INT, D);
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DumpNumber(LUAC_NUM, D);
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static void dumpHeader (DumpState *D) {
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dumpLiteral(D, LUA_SIGNATURE);
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dumpInt(D, LUAC_VERSION);
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dumpByte(D, LUAC_FORMAT);
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dumpLiteral(D, LUAC_DATA);
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dumpByte(D, sizeof(Instruction));
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dumpByte(D, sizeof(lua_Integer));
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dumpByte(D, sizeof(lua_Number));
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dumpInteger(D, LUAC_INT);
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dumpNumber(D, LUAC_NUM);
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}
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D.data = data;
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D.strip = strip;
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D.status = 0;
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DumpHeader(&D);
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DumpByte(f->sizeupvalues, &D);
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DumpFunction(f, NULL, &D);
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dumpHeader(&D);
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dumpByte(&D, f->sizeupvalues);
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dumpFunction(&D, f, NULL);
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return D.status;
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}
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146
lundump.c
146
lundump.c
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@ -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++) {
|
||||
f->p[i] = luaF_newproto(S->L);
|
||||
LoadFunction(S, f->p[i], f->source);
|
||||
loadFunction(S, f->p[i], f->source);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void LoadUpvalues (LoadState *S, Proto *f) {
|
||||
static void loadUpvalues (LoadState *S, Proto *f) {
|
||||
int i, n;
|
||||
n = LoadInt(S);
|
||||
n = loadInt(S);
|
||||
f->upvalues = luaM_newvectorchecked(S->L, n, Upvaldesc);
|
||||
f->sizeupvalues = n;
|
||||
for (i = 0; i < n; i++) {
|
||||
f->upvalues[i].name = NULL;
|
||||
f->upvalues[i].instack = LoadByte(S);
|
||||
f->upvalues[i].idx = LoadByte(S);
|
||||
f->upvalues[i].kind = LoadByte(S);
|
||||
f->upvalues[i].instack = loadByte(S);
|
||||
f->upvalues[i].idx = loadByte(S);
|
||||
f->upvalues[i].kind = loadByte(S);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void LoadDebug (LoadState *S, Proto *f) {
|
||||
static void loadDebug (LoadState *S, Proto *f) {
|
||||
int i, n;
|
||||
n = LoadInt(S);
|
||||
n = loadInt(S);
|
||||
f->lineinfo = luaM_newvectorchecked(S->L, n, ls_byte);
|
||||
f->sizelineinfo = n;
|
||||
LoadVector(S, f->lineinfo, n);
|
||||
n = LoadInt(S);
|
||||
loadVector(S, f->lineinfo, n);
|
||||
n = loadInt(S);
|
||||
f->abslineinfo = luaM_newvectorchecked(S->L, n, AbsLineInfo);
|
||||
f->sizeabslineinfo = n;
|
||||
for (i = 0; i < n; i++) {
|
||||
f->abslineinfo[i].pc = LoadInt(S);
|
||||
f->abslineinfo[i].line = LoadInt(S);
|
||||
f->abslineinfo[i].pc = loadInt(S);
|
||||
f->abslineinfo[i].line = loadInt(S);
|
||||
}
|
||||
n = LoadInt(S);
|
||||
n = loadInt(S);
|
||||
f->locvars = luaM_newvectorchecked(S->L, n, LocVar);
|
||||
f->sizelocvars = n;
|
||||
for (i = 0; i < n; i++)
|
||||
f->locvars[i].varname = NULL;
|
||||
for (i = 0; i < n; i++) {
|
||||
f->locvars[i].varname = LoadStringN(S);
|
||||
f->locvars[i].startpc = LoadInt(S);
|
||||
f->locvars[i].endpc = LoadInt(S);
|
||||
f->locvars[i].varname = loadStringN(S);
|
||||
f->locvars[i].startpc = loadInt(S);
|
||||
f->locvars[i].endpc = loadInt(S);
|
||||
}
|
||||
n = LoadInt(S);
|
||||
n = loadInt(S);
|
||||
for (i = 0; i < n; i++)
|
||||
f->upvalues[i].name = LoadStringN(S);
|
||||
f->upvalues[i].name = loadStringN(S);
|
||||
}
|
||||
|
||||
|
||||
static void LoadFunction (LoadState *S, Proto *f, TString *psource) {
|
||||
f->source = LoadStringN(S);
|
||||
static void loadFunction (LoadState *S, Proto *f, TString *psource) {
|
||||
f->source = loadStringN(S);
|
||||
if (f->source == NULL) /* no source in dump? */
|
||||
f->source = psource; /* reuse parent's source */
|
||||
f->linedefined = LoadInt(S);
|
||||
f->lastlinedefined = LoadInt(S);
|
||||
f->numparams = LoadByte(S);
|
||||
f->is_vararg = LoadByte(S);
|
||||
f->maxstacksize = LoadByte(S);
|
||||
LoadCode(S, f);
|
||||
LoadConstants(S, f);
|
||||
LoadUpvalues(S, f);
|
||||
LoadProtos(S, f);
|
||||
LoadDebug(S, f);
|
||||
f->linedefined = loadInt(S);
|
||||
f->lastlinedefined = loadInt(S);
|
||||
f->numparams = loadByte(S);
|
||||
f->is_vararg = loadByte(S);
|
||||
f->maxstacksize = loadByte(S);
|
||||
loadCode(S, f);
|
||||
loadConstants(S, f);
|
||||
loadUpvalues(S, f);
|
||||
loadProtos(S, f);
|
||||
loadDebug(S, f);
|
||||
}
|
||||
|
||||
|
||||
static void checkliteral (LoadState *S, const char *s, const char *msg) {
|
||||
char buff[sizeof(LUA_SIGNATURE) + sizeof(LUAC_DATA)]; /* larger than both */
|
||||
size_t len = strlen(s);
|
||||
LoadVector(S, buff, len);
|
||||
loadVector(S, buff, len);
|
||||
if (memcmp(s, buff, len) != 0)
|
||||
error(S, msg);
|
||||
}
|
||||
|
||||
|
||||
static void fchecksize (LoadState *S, size_t size, const char *tname) {
|
||||
if (LoadByte(S) != size)
|
||||
if (loadByte(S) != size)
|
||||
error(S, luaO_pushfstring(S->L, "%s size mismatch", tname));
|
||||
}
|
||||
|
||||
|
@ -276,23 +276,23 @@ static void fchecksize (LoadState *S, size_t size, const char *tname) {
|
|||
static void checkHeader (LoadState *S) {
|
||||
/* skip 1st char (already read and checked) */
|
||||
checkliteral(S, &LUA_SIGNATURE[1], "not a binary chunk");
|
||||
if (LoadInt(S) != LUAC_VERSION)
|
||||
if (loadInt(S) != LUAC_VERSION)
|
||||
error(S, "version mismatch");
|
||||
if (LoadByte(S) != LUAC_FORMAT)
|
||||
if (loadByte(S) != LUAC_FORMAT)
|
||||
error(S, "format mismatch");
|
||||
checkliteral(S, LUAC_DATA, "corrupted chunk");
|
||||
checksize(S, Instruction);
|
||||
checksize(S, lua_Integer);
|
||||
checksize(S, lua_Number);
|
||||
if (LoadInteger(S) != LUAC_INT)
|
||||
if (loadInteger(S) != LUAC_INT)
|
||||
error(S, "integer format mismatch");
|
||||
if (LoadNumber(S) != LUAC_NUM)
|
||||
if (loadNumber(S) != LUAC_NUM)
|
||||
error(S, "float format mismatch");
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** load precompiled chunk
|
||||
** Load precompiled chunk.
|
||||
*/
|
||||
LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
|
||||
LoadState S;
|
||||
|
@ -306,11 +306,11 @@ LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
|
|||
S.L = L;
|
||||
S.Z = Z;
|
||||
checkHeader(&S);
|
||||
cl = luaF_newLclosure(L, LoadByte(&S));
|
||||
cl = luaF_newLclosure(L, loadByte(&S));
|
||||
setclLvalue2s(L, L->top, cl);
|
||||
luaD_inctop(L);
|
||||
cl->p = luaF_newproto(L);
|
||||
LoadFunction(&S, cl->p, NULL);
|
||||
loadFunction(&S, cl->p, NULL);
|
||||
lua_assert(cl->nupvalues == cl->p->sizeupvalues);
|
||||
luai_verifycode(L, buff, cl->p);
|
||||
return cl;
|
||||
|
|
Loading…
Reference in New Issue