| /* |
| ** $Id: lundump.h,v 1.7 1998/06/25 15:50:09 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 VERSION0 0x31 /* last major 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. |
| */ |
| |
| #ifndef ID_NUMBER |
| #define ID_NUMBER ID_NATIVE |
| #endif |
| |
| #if 0 |
| #define ID_NUMBER ID_INT4 |
| #define ID_NUMBER ID_REAL4 |
| #define ID_NUMBER ID_REAL8 |
| #define ID_NUMBER ID_NATIVE |
| #endif |
| |
| #endif |
| |
| #if ID_NUMBER==ID_REAL4 |
| #define DumpNumber DumpFloat |
| #define LoadNumber LoadFloat |
| #define SIZEOF_NUMBER 4 |
| #elif ID_NUMBER==ID_REAL8 |
| #define DumpNumber DumpDouble |
| #define LoadNumber LoadDouble |
| #define SIZEOF_NUMBER 8 |
| #elif ID_NUMBER==ID_INT4 |
| #define DumpNumber DumpLong |
| #define LoadNumber LoadLong |
| #define SIZEOF_NUMBER 4 |
| #elif ID_NUMBER==ID_NATIVE |
| #define DumpNumber DumpNative |
| #define LoadNumber LoadNative |
| #define SIZEOF_NUMBER sizeof(real) |
| #else |
| #error bad ID_NUMBER |
| #endif |
