mirror of https://github.com/lua/lua.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.4 KiB
57 lines
1.4 KiB
/*
|
|
** $Id: lundump.h,v 1.6 1998/06/13 16:54:15 lhf Exp $
|
|
** load pre-compiled Lua chunks
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
#ifndef lundump_h
|
|
#define lundump_h
|
|
|
|
#include "lobject.h"
|
|
#include "lzio.h"
|
|
|
|
TProtoFunc* luaU_undump1(ZIO* Z); /* load one chunk */
|
|
|
|
#define SIGNATURE "Lua"
|
|
#define VERSION 0x31 /* last format change was in 3.1 */
|
|
|
|
#define IsMain(f) (f->lineDefined==0)
|
|
|
|
#define ID_CHUNK 27 /* ESC */
|
|
#define ID_NUM 'N'
|
|
#define ID_STR 'S'
|
|
#define ID_FUN 'F'
|
|
|
|
/* number representation */
|
|
#define ID_INT4 'l' /* 4-byte integers */
|
|
#define ID_REAL4 'f' /* 4-byte reals */
|
|
#define ID_REAL8 'd' /* 8-byte reals */
|
|
#define ID_NATIVE '?' /* whatever your machine uses */
|
|
|
|
/*
|
|
* use a multiple of PI for testing number representation.
|
|
* multiplying by 1E8 gives notrivial integer values.
|
|
*/
|
|
#define TEST_NUMBER 3.14159265358979323846E8
|
|
|
|
/* LUA_NUMBER
|
|
* choose one below for the number representation in precompiled chunks.
|
|
* the default is ID_REAL8 because the default for LUA_NUM_TYPE is double.
|
|
* if your machine does not use IEEE 754, use ID_NATIVE.
|
|
* the next version will support conversion to/from IEEE 754.
|
|
*
|
|
* if you change LUA_NUM_TYPE, make sure you set ID_NUMBER accordingly,
|
|
* specially if sizeof(long)!=4.
|
|
* for types other than the ones listed below, you'll have to write your own
|
|
* dump and undump routines.
|
|
*/
|
|
|
|
#define ID_NUMBER ID_REAL8
|
|
|
|
#if 0
|
|
#define ID_NUMBER ID_REAL4
|
|
#define ID_NUMBER ID_INT4
|
|
#define ID_NUMBER ID_NATIVE
|
|
#endif
|
|
|
|
#endif
|
|
|