vendor: 引入 Lua 3.2 官方源码 + 移植评估 (lua_3.2 分支)

- 前 lua_State 时代 API(全局单例状态机), 与项目多实例+管道模式抽象冲突
- 评估结论: 不建议移植, 详见 doc/ADAPTATION-lua32.md

lib/lua/lundump.h

@@ -1,40 +1,39 @@
 /*
-** $Id: lundump.h $
-** load precompiled Lua chunks
+** $Id: lundump.h,v 1.15 1999/07/02 19:34:26 lhf Exp $
+** load pre-compiled Lua chunks
 ** See Copyright Notice in lua.h
 */
 
 #ifndef lundump_h
 #define lundump_h
 
-#include <limits.h>
-
-#include "llimits.h"
 #include "lobject.h"
 #include "lzio.h"
 
+TProtoFunc* luaU_undump1 (ZIO* Z);	/* load one chunk */
+void luaU_badconstant (char* s, int i, TObject* o, TProtoFunc* tf);
+					/* handle cases that cannot happen */
+double luaU_str2d (char* b, char* where);
+					/* convert number from text */
 
-/* data to catch conversion errors */
-#define LUAC_DATA	"\x19\x93\r\n\x1a\n"
+/* definitions for headers of binary files */
+#define	VERSION		0x32		/* last format change was in 3.2 */
+#define	VERSION0	0x32		/* last major  change was in 3.2 */
+#define ID_CHUNK	27		/* binary files start with ESC... */
+#define	SIGNATURE	"Lua"		/* ...followed by this signature */
 
-#define LUAC_INT	-0x5678
-#define LUAC_INST	0x12345678
-#define LUAC_NUM	cast_num(-370.5)
+/* formats for error messages */
+#define SOURCE		"<%s:%d>"
+#define IN		" in %p " SOURCE
+#define INLOC		tf,tf->source->str,tf->lineDefined
 
-/*
-** Encode major-minor version in one byte, one nibble for each
-*/
-#define LUAC_VERSION	(LUA_VERSION_MAJOR_N*16+LUA_VERSION_MINOR_N)
+/* format for numbers in listings and error messages */
+#ifndef NUMBER_FMT
+#define NUMBER_FMT	"%.16g"		/* LUA_NUMBER */
+#endif
 
-#define LUAC_FORMAT	0	/* this is the official format */
-
-
-/* load one chunk; from lundump.c */
-LUAI_FUNC LClosure* luaU_undump (lua_State* L, ZIO* Z, Table *anchor,
-                                 const char* name, int fixed);
-
-/* dump one chunk; from ldump.c */
-LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w,
-                         void* data, int strip);
+/* a multiple of PI for testing native format */
+/* multiplying by 1E8 gives non-trivial integer values */
+#define	TEST_NUMBER	3.14159265358979323846E8
 
 #endif