Mercurial > vba-clojure
view src/lua/ldump.c @ 504:81e43f0350db
resolved conflict.
author | Robert McIntyre <rlm@mit.edu> |
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date | Mon, 18 Jun 2012 18:56:49 -0500 |
parents | 27763b933818 |
children |
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1 /*2 ** $Id: ldump.c,v 2.8.1.1 2007/12/27 13:02:25 roberto Exp $3 ** save precompiled Lua chunks4 ** See Copyright Notice in lua.h5 */7 #include <stddef.h>9 #define ldump_c10 #define LUA_CORE12 #include "lua.h"14 #include "lobject.h"15 #include "lstate.h"16 #include "lundump.h"18 typedef struct {19 lua_State* L;20 lua_Writer writer;21 void* data;22 int strip;23 int status;24 } DumpState;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)30 {31 if (D->status==0)32 {33 lua_unlock(D->L);34 D->status=(*D->writer)(D->L,b,size,D->data);35 lua_lock(D->L);36 }37 }39 static void DumpChar(int y, DumpState* D)40 {41 char x=(char)y;42 DumpVar(x,D);43 }45 static void DumpInt(int x, DumpState* D)46 {47 DumpVar(x,D);48 }50 static void DumpNumber(lua_Number x, DumpState* D)51 {52 DumpVar(x,D);53 }55 static void DumpVector(const void* b, int n, size_t size, DumpState* D)56 {57 DumpInt(n,D);58 DumpMem(b,n,size,D);59 }61 static void DumpString(const TString* s, DumpState* D)62 {63 if (s==NULL || getstr(s)==NULL)64 {65 size_t size=0;66 DumpVar(size,D);67 }68 else69 {70 size_t size=s->tsv.len+1; /* include trailing '\0' */71 DumpVar(size,D);72 DumpBlock(getstr(s),size,D);73 }74 }76 #define DumpCode(f,D) DumpVector(f->code,f->sizecode,sizeof(Instruction),D)78 static void DumpFunction(const Proto* f, const TString* p, DumpState* D);80 static void DumpConstants(const Proto* f, DumpState* D)81 {82 int i,n=f->sizek;83 DumpInt(n,D);84 for (i=0; i<n; i++)85 {86 const TValue* o=&f->k[i];87 DumpChar(ttype(o),D);88 switch (ttype(o))89 {90 case LUA_TNIL:91 break;92 case LUA_TBOOLEAN:93 DumpChar(bvalue(o),D);94 break;95 case LUA_TNUMBER:96 DumpNumber(nvalue(o),D);97 break;98 case LUA_TSTRING:99 DumpString(rawtsvalue(o),D);100 break;101 default:102 lua_assert(0); /* cannot happen */103 break;104 }105 }106 n=f->sizep;107 DumpInt(n,D);108 for (i=0; i<n; i++) DumpFunction(f->p[i],f->source,D);109 }111 static void DumpDebug(const Proto* f, DumpState* D)112 {113 int i,n;114 n= (D->strip) ? 0 : f->sizelineinfo;115 DumpVector(f->lineinfo,n,sizeof(int),D);116 n= (D->strip) ? 0 : f->sizelocvars;117 DumpInt(n,D);118 for (i=0; i<n; i++)119 {120 DumpString(f->locvars[i].varname,D);121 DumpInt(f->locvars[i].startpc,D);122 DumpInt(f->locvars[i].endpc,D);123 }124 n= (D->strip) ? 0 : f->sizeupvalues;125 DumpInt(n,D);126 for (i=0; i<n; i++) DumpString(f->upvalues[i],D);127 }129 static void DumpFunction(const Proto* f, const TString* p, DumpState* D)130 {131 DumpString((f->source==p || D->strip) ? NULL : f->source,D);132 DumpInt(f->linedefined,D);133 DumpInt(f->lastlinedefined,D);134 DumpChar(f->nups,D);135 DumpChar(f->numparams,D);136 DumpChar(f->is_vararg,D);137 DumpChar(f->maxstacksize,D);138 DumpCode(f,D);139 DumpConstants(f,D);140 DumpDebug(f,D);141 }143 static void DumpHeader(DumpState* D)144 {145 char h[LUAC_HEADERSIZE];146 luaU_header(h);147 DumpBlock(h,LUAC_HEADERSIZE,D);148 }150 /*151 ** dump Lua function as precompiled chunk152 */153 int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip)154 {155 DumpState D;156 D.L=L;157 D.writer=w;158 D.data=data;159 D.strip=strip;160 D.status=0;161 DumpHeader(&D);162 DumpFunction(f,NULL,&D);163 return D.status;164 }