mirror of
https://github.com/nmap/nmap.git
synced 2025-12-26 17:39:03 +00:00
Update Lua to 5.4.4
This commit is contained in:
dmiller
199
liblua/ldump.c
199
liblua/ldump.c
@@ -1,5 +1,5 @@
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/*
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** $Id: ldump.c,v 2.37.1.1 2017/04/19 17:20:42 roberto Exp $
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** $Id: ldump.c $
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** save precompiled Lua chunks
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** See Copyright Notice in lua.h
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*/
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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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@@ -46,153 +46,164 @@ 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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static void DumpInt (int x, DumpState *D) {
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DumpVar(x, D);
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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 (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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buff[DIBS - (++n)] = x & 0x7f; /* fill buffer in reverse order */
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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(D, buff + DIBS - n, n);
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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 dumpInt (DumpState *D, int x) {
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dumpSize(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 dumpNumber (DumpState *D, lua_Number 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 dumpInteger (DumpState *D, lua_Integer x) {
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dumpVar(D, x);
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}
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static void dumpString (DumpState *D, const TString *s) {
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if (s == NULL)
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DumpByte(0, D);
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dumpSize(D, 0);
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else {
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size_t size = tsslen(s) + 1; /* include trailing '\0' */
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size_t size = tsslen(s);
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const char *str = getstr(s);
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if (size < 0xFF)
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DumpByte(cast_int(size), D);
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else {
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DumpByte(0xFF, D);
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DumpVar(size, D);
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}
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DumpVector(str, size - 1, D); /* no need to save '\0' */
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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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DumpByte(ttype(o), D);
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switch (ttype(o)) {
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case LUA_TNIL:
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break;
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case LUA_TBOOLEAN:
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DumpByte(bvalue(o), D);
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break;
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case LUA_TNUMFLT:
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DumpNumber(fltvalue(o), D);
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break;
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case LUA_TNUMINT:
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DumpInteger(ivalue(o), D);
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break;
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case LUA_TSHRSTR:
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case LUA_TLNGSTR:
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DumpString(tsvalue(o), D);
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break;
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default:
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lua_assert(0);
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int tt = ttypetag(o);
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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(D, fltvalue(o));
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break;
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case LUA_VNUMINT:
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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(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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}
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}
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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(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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n = (D->strip) ? 0 : f->sizelocvars;
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DumpInt(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(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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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(D, n);
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for (i = 0; i < n; i++) {
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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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DumpByte(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(int), D);
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DumpByte(sizeof(size_t), 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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dumpByte(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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@@ -207,9 +218,9 @@ int luaU_dump(lua_State *L, const Proto *f, lua_Writer w, void *data,
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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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