diff options
Diffstat (limited to 'lib/lua/src/ldump.c')
-rw-r--r-- | lib/lua/src/ldump.c | 340 |
1 files changed, 170 insertions, 170 deletions
diff --git a/lib/lua/src/ldump.c b/lib/lua/src/ldump.c index f34c528..8af848b 100644 --- a/lib/lua/src/ldump.c +++ b/lib/lua/src/ldump.c @@ -1,170 +1,170 @@ -/*
-** $Id: ldump.c,v 1.1 2003-11-06 11:56:07 pixel Exp $
-** save bytecodes
-** See Copyright Notice in lua.h
-*/
-
-#include <stddef.h>
-
-#define ldump_c
-
-#include "lua.h"
-
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lstate.h"
-#include "lundump.h"
-
-#define DumpVector(b,n,size,D) DumpBlock(b,(n)*(size),D)
-#define DumpLiteral(s,D) DumpBlock("" s,(sizeof(s))-1,D)
-
-typedef struct {
- lua_State* L;
- lua_Chunkwriter write;
- void* data;
-} DumpState;
-
-static void DumpBlock(const void* b, size_t size, DumpState* D)
-{
- lua_unlock(D->L);
- (*D->write)(D->L,b,size,D->data);
- lua_lock(D->L);
-}
-
-static void DumpByte(int y, DumpState* D)
-{
- char x=(char)y;
- DumpBlock(&x,sizeof(x),D);
-}
-
-static void DumpInt(int x, DumpState* D)
-{
- DumpBlock(&x,sizeof(x),D);
-}
-
-static void DumpSize(size_t x, DumpState* D)
-{
- DumpBlock(&x,sizeof(x),D);
-}
-
-static void DumpNumber(lua_Number x, DumpState* D)
-{
- DumpBlock(&x,sizeof(x),D);
-}
-
-static void DumpString(TString* s, DumpState* D)
-{
- if (s==NULL || getstr(s)==NULL)
- DumpSize(0,D);
- else
- {
- size_t size=s->tsv.len+1; /* include trailing '\0' */
- DumpSize(size,D);
- DumpBlock(getstr(s),size,D);
- }
-}
-
-static void DumpCode(const Proto* f, DumpState* D)
-{
- DumpInt(f->sizecode,D);
- DumpVector(f->code,f->sizecode,sizeof(*f->code),D);
-}
-
-static void DumpLocals(const Proto* f, DumpState* D)
-{
- int i,n=f->sizelocvars;
- DumpInt(n,D);
- for (i=0; i<n; i++)
- {
- DumpString(f->locvars[i].varname,D);
- DumpInt(f->locvars[i].startpc,D);
- DumpInt(f->locvars[i].endpc,D);
- }
-}
-
-static void DumpLines(const Proto* f, DumpState* D)
-{
- DumpInt(f->sizelineinfo,D);
- DumpVector(f->lineinfo,f->sizelineinfo,sizeof(*f->lineinfo),D);
-}
-
-static void DumpUpvalues(const Proto* f, DumpState* D)
-{
- int i,n=f->sizeupvalues;
- DumpInt(n,D);
- for (i=0; i<n; i++) DumpString(f->upvalues[i],D);
-}
-
-static void DumpFunction(const Proto* f, const TString* p, DumpState* D);
-
-static void DumpConstants(const Proto* f, DumpState* D)
-{
- int i,n;
- DumpInt(n=f->sizek,D);
- for (i=0; i<n; i++)
- {
- const TObject* o=&f->k[i];
- DumpByte(ttype(o),D);
- switch (ttype(o))
- {
- case LUA_TNUMBER:
- DumpNumber(nvalue(o),D);
- break;
- case LUA_TSTRING:
- DumpString(tsvalue(o),D);
- break;
- case LUA_TNIL:
- break;
- default:
- lua_assert(0); /* cannot happen */
- break;
- }
- }
- DumpInt(n=f->sizep,D);
- for (i=0; i<n; i++) DumpFunction(f->p[i],f->source,D);
-}
-
-static void DumpFunction(const Proto* f, const TString* p, DumpState* D)
-{
- DumpString((f->source==p) ? NULL : f->source,D);
- DumpInt(f->lineDefined,D);
- DumpByte(f->nups,D);
- DumpByte(f->numparams,D);
- DumpByte(f->is_vararg,D);
- DumpByte(f->maxstacksize,D);
- DumpLines(f,D);
- DumpLocals(f,D);
- DumpUpvalues(f,D);
- DumpConstants(f,D);
- DumpCode(f,D);
-}
-
-static void DumpHeader(DumpState* D)
-{
- DumpLiteral(LUA_SIGNATURE,D);
- DumpByte(VERSION,D);
- DumpByte(luaU_endianness(),D);
- DumpByte(sizeof(int),D);
- DumpByte(sizeof(size_t),D);
- DumpByte(sizeof(Instruction),D);
- DumpByte(SIZE_OP,D);
- DumpByte(SIZE_A,D);
- DumpByte(SIZE_B,D);
- DumpByte(SIZE_C,D);
- DumpByte(sizeof(lua_Number),D);
- DumpNumber(TEST_NUMBER,D);
-}
-
-/*
-** dump function as precompiled chunk
-*/
-void luaU_dump (lua_State* L, const Proto* Main, lua_Chunkwriter w, void* data)
-{
- DumpState D;
- D.L=L;
- D.write=w;
- D.data=data;
- DumpHeader(&D);
- DumpFunction(Main,NULL,&D);
-}
-
+/* +** $Id: ldump.c,v 1.2 2003-12-11 16:53:30 pixel Exp $ +** save bytecodes +** See Copyright Notice in lua.h +*/ + +#include <stddef.h> + +#define ldump_c + +#include "lua.h" + +#include "lobject.h" +#include "lopcodes.h" +#include "lstate.h" +#include "lundump.h" + +#define DumpVector(b,n,size,D) DumpBlock(b,(n)*(size),D) +#define DumpLiteral(s,D) DumpBlock("" s,(sizeof(s))-1,D) + +typedef struct { + lua_State* L; + lua_Chunkwriter write; + void* data; +} DumpState; + +static void DumpBlock(const void* b, size_t size, DumpState* D) +{ + lua_unlock(D->L); + (*D->write)(D->L,b,size,D->data); + lua_lock(D->L); +} + +static void DumpByte(int y, DumpState* D) +{ + char x=(char)y; + DumpBlock(&x,sizeof(x),D); +} + +static void DumpInt(int x, DumpState* D) +{ + DumpBlock(&x,sizeof(x),D); +} + +static void DumpSize(size_t x, DumpState* D) +{ + DumpBlock(&x,sizeof(x),D); +} + +static void DumpNumber(lua_Number x, DumpState* D) +{ + DumpBlock(&x,sizeof(x),D); +} + +static void DumpString(TString* s, DumpState* D) +{ + if (s==NULL || getstr(s)==NULL) + DumpSize(0,D); + else + { + size_t size=s->tsv.len+1; /* include trailing '\0' */ + DumpSize(size,D); + DumpBlock(getstr(s),size,D); + } +} + +static void DumpCode(const Proto* f, DumpState* D) +{ + DumpInt(f->sizecode,D); + DumpVector(f->code,f->sizecode,sizeof(*f->code),D); +} + +static void DumpLocals(const Proto* f, DumpState* D) +{ + int i,n=f->sizelocvars; + DumpInt(n,D); + for (i=0; i<n; i++) + { + DumpString(f->locvars[i].varname,D); + DumpInt(f->locvars[i].startpc,D); + DumpInt(f->locvars[i].endpc,D); + } +} + +static void DumpLines(const Proto* f, DumpState* D) +{ + DumpInt(f->sizelineinfo,D); + DumpVector(f->lineinfo,f->sizelineinfo,sizeof(*f->lineinfo),D); +} + +static void DumpUpvalues(const Proto* f, DumpState* D) +{ + int i,n=f->sizeupvalues; + DumpInt(n,D); + for (i=0; i<n; i++) DumpString(f->upvalues[i],D); +} + +static void DumpFunction(const Proto* f, const TString* p, DumpState* D); + +static void DumpConstants(const Proto* f, DumpState* D) +{ + int i,n; + DumpInt(n=f->sizek,D); + for (i=0; i<n; i++) + { + const TObject* o=&f->k[i]; + DumpByte(ttype(o),D); + switch (ttype(o)) + { + case LUA_TNUMBER: + DumpNumber(nvalue(o),D); + break; + case LUA_TSTRING: + DumpString(tsvalue(o),D); + break; + case LUA_TNIL: + break; + default: + lua_assert(0); /* cannot happen */ + break; + } + } + DumpInt(n=f->sizep,D); + for (i=0; i<n; i++) DumpFunction(f->p[i],f->source,D); +} + +static void DumpFunction(const Proto* f, const TString* p, DumpState* D) +{ + DumpString((f->source==p) ? NULL : f->source,D); + DumpInt(f->lineDefined,D); + DumpByte(f->nups,D); + DumpByte(f->numparams,D); + DumpByte(f->is_vararg,D); + DumpByte(f->maxstacksize,D); + DumpLines(f,D); + DumpLocals(f,D); + DumpUpvalues(f,D); + DumpConstants(f,D); + DumpCode(f,D); +} + +static void DumpHeader(DumpState* D) +{ + DumpLiteral(LUA_SIGNATURE,D); + DumpByte(VERSION,D); + DumpByte(luaU_endianness(),D); + DumpByte(sizeof(int),D); + DumpByte(sizeof(size_t),D); + DumpByte(sizeof(Instruction),D); + DumpByte(SIZE_OP,D); + DumpByte(SIZE_A,D); + DumpByte(SIZE_B,D); + DumpByte(SIZE_C,D); + DumpByte(sizeof(lua_Number),D); + DumpNumber(TEST_NUMBER,D); +} + +/* +** dump function as precompiled chunk +*/ +void luaU_dump (lua_State* L, const Proto* Main, lua_Chunkwriter w, void* data) +{ + DumpState D; + D.L=L; + D.write=w; + D.data=data; + DumpHeader(&D); + DumpFunction(Main,NULL,&D); +} + |