mirror of
https://gitcode.com/JianFeeeee/LuaCangjia_api.git
synced 2026-09-20 00:48:47 +00:00
8aff33e402
- lib/lua 替换为 Lua 5.2.4 官方源码; CMakeLists 补 lbitlib.c(5.2 linit 注册 bit32)、删 lutf8lib.c(5.2 无此文件) - I/O 重定向机制改造: 5.2 无 lua_getextraspace → iopath 指针存入 Registry 固定索引(IOPATH_REG_IDX=1), 回调经 get_iopath() 取回, free_lua 时释放 —— 该方案同样适用于更低版本 - typed interop 版本自适应: capture_result() 的 lua_isinteger 分支用 #if LUA_VERSION_NUM >= 503 包裹, 5.2 及以下所有数字统一 CJT_NUM - 测试跨版本适配: PackagePathConfig 接受 require 的两种返回语义; typed 数值断言 EXPECT_INT_OR_NUM 宏兼容有无 integer 子类型; 大整数保真断言仅对 5.3+ 生效(5.2 经 double 必然丢精度) - 验证: GTest 44/44 通过
174 lines
3.1 KiB
C
174 lines
3.1 KiB
C
/*
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** $Id: ldump.c,v 2.17.1.1 2013/04/12 18:48:47 roberto Exp $
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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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#include <stddef.h>
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#define ldump_c
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#define LUA_CORE
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#include "lua.h"
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#include "lobject.h"
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#include "lstate.h"
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#include "lundump.h"
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typedef struct {
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lua_State* L;
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lua_Writer writer;
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void* data;
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int strip;
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int status;
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} DumpState;
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#define DumpMem(b,n,size,D) DumpBlock(b,(n)*(size),D)
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#define DumpVar(x,D) DumpMem(&x,1,sizeof(x),D)
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static void DumpBlock(const void* b, size_t size, DumpState* D)
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{
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if (D->status==0)
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{
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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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lua_lock(D->L);
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}
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}
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static void DumpChar(int y, DumpState* D)
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{
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char x=(char)y;
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DumpVar(x,D);
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}
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static void DumpInt(int x, DumpState* D)
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{
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DumpVar(x,D);
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}
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static void DumpNumber(lua_Number x, DumpState* D)
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{
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DumpVar(x,D);
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}
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static void DumpVector(const void* b, int n, size_t size, DumpState* D)
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{
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DumpInt(n,D);
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DumpMem(b,n,size,D);
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}
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static void DumpString(const TString* s, DumpState* D)
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{
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if (s==NULL)
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{
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size_t size=0;
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DumpVar(size,D);
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}
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else
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{
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size_t size=s->tsv.len+1; /* include trailing '\0' */
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DumpVar(size,D);
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DumpBlock(getstr(s),size*sizeof(char),D);
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}
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}
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#define DumpCode(f,D) DumpVector(f->code,f->sizecode,sizeof(Instruction),D)
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static void DumpFunction(const Proto* f, DumpState* D);
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static void DumpConstants(const Proto* f, DumpState* D)
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{
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int i,n=f->sizek;
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DumpInt(n,D);
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for (i=0; i<n; i++)
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{
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const TValue* o=&f->k[i];
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DumpChar(ttypenv(o),D);
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switch (ttypenv(o))
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{
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case LUA_TNIL:
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break;
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case LUA_TBOOLEAN:
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DumpChar(bvalue(o),D);
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break;
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case LUA_TNUMBER:
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DumpNumber(nvalue(o),D);
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break;
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case LUA_TSTRING:
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DumpString(rawtsvalue(o),D);
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break;
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default: lua_assert(0);
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}
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}
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n=f->sizep;
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DumpInt(n,D);
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for (i=0; i<n; i++) DumpFunction(f->p[i],D);
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}
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static void DumpUpvalues(const Proto* f, DumpState* D)
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{
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int i,n=f->sizeupvalues;
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DumpInt(n,D);
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for (i=0; i<n; i++)
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{
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DumpChar(f->upvalues[i].instack,D);
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DumpChar(f->upvalues[i].idx,D);
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}
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}
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static void DumpDebug(const Proto* f, DumpState* D)
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{
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int i,n;
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DumpString((D->strip) ? NULL : f->source,D);
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n= (D->strip) ? 0 : f->sizelineinfo;
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DumpVector(f->lineinfo,n,sizeof(int),D);
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n= (D->strip) ? 0 : f->sizelocvars;
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DumpInt(n,D);
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for (i=0; i<n; i++)
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{
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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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}
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n= (D->strip) ? 0 : f->sizeupvalues;
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DumpInt(n,D);
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for (i=0; i<n; i++) DumpString(f->upvalues[i].name,D);
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}
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static void DumpFunction(const Proto* f, DumpState* D)
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{
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DumpInt(f->linedefined,D);
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DumpInt(f->lastlinedefined,D);
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DumpChar(f->numparams,D);
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DumpChar(f->is_vararg,D);
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DumpChar(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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DumpDebug(f,D);
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}
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static void DumpHeader(DumpState* D)
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{
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lu_byte h[LUAC_HEADERSIZE];
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luaU_header(h);
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DumpBlock(h,LUAC_HEADERSIZE,D);
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}
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/*
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** dump Lua function as precompiled chunk
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*/
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int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip)
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{
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DumpState D;
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D.L=L;
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D.writer=w;
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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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DumpFunction(f,&D);
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return D.status;
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}
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