2 ** $Id: ldump.c,v 2.8.1.1 2007/12/27 13:02:25 roberto Exp $
3 ** save precompiled Lua chunks
4 ** See Copyright Notice in lua.h
26 #define DumpMem(b,n,size,D) DumpBlock(b,(n)*(size),D)
27 #define DumpVar(x,D) DumpMem(&x,1,sizeof(x),D)
29 static void DumpBlock(const void* b, size_t size, DumpState* D)
34 D->status=(*D->writer)(D->L,b,size,D->data);
39 static void DumpChar(int y, DumpState* D)
45 static void DumpInt(int x, DumpState* D)
50 static void DumpNumber(lua_Number x, DumpState* D)
56 static void DumpInteger(lua_Integer x, DumpState* D)
62 static void DumpVector(const void* b, int n, size_t size, DumpState* D)
68 static void DumpString(const TString* s, DumpState* D)
70 if (s==NULL || getstr(s)==NULL)
77 size_t size=s->tsv.len+1; /* include trailing '\0' */
79 DumpBlock(getstr(s),size,D);
83 #define DumpCode(f,D) DumpVector(f->code,f->sizecode,sizeof(Instruction),D)
85 static void DumpFunction(const Proto* f, const TString* p, DumpState* D);
87 static void DumpConstants(const Proto* f, DumpState* D)
93 const TValue* o=&f->k[i];
100 DumpChar(bvalue(o),D);
104 DumpInteger(ivalue(o),D);
108 DumpNumber(nvalue_fast(o),D);
111 DumpString(rawtsvalue(o),D);
114 lua_assert(0); /* cannot happen */
120 for (i=0; i<n; i++) DumpFunction(f->p[i],f->source,D);
123 static void DumpDebug(const Proto* f, DumpState* D)
126 n= (D->strip) ? 0 : f->sizelineinfo;
127 DumpVector(f->lineinfo,n,sizeof(int),D);
128 n= (D->strip) ? 0 : f->sizelocvars;
132 DumpString(f->locvars[i].varname,D);
133 DumpInt(f->locvars[i].startpc,D);
134 DumpInt(f->locvars[i].endpc,D);
136 n= (D->strip) ? 0 : f->sizeupvalues;
138 for (i=0; i<n; i++) DumpString(f->upvalues[i],D);
141 static void DumpFunction(const Proto* f, const TString* p, DumpState* D)
143 DumpString((f->source==p || D->strip) ? NULL : f->source,D);
144 DumpInt(f->linedefined,D);
145 DumpInt(f->lastlinedefined,D);
147 DumpChar(f->numparams,D);
148 DumpChar(f->is_vararg,D);
149 DumpChar(f->maxstacksize,D);
155 static void DumpHeader(DumpState* D)
157 char h[LUAC_HEADERSIZE];
159 DumpBlock(h,LUAC_HEADERSIZE,D);
163 ** dump Lua function as precompiled chunk
165 int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip)
174 DumpFunction(f,NULL,&D);