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/include/lauxlib.h

@@ -0,0 +1,53 @@
+/*
+** $Id: lauxlib.h,v 1.12 1999/03/10 14:19:41 roberto Exp $
+** Auxiliary functions for building Lua libraries
+** See Copyright Notice in lua.h
+*/
+
+
+#ifndef auxlib_h
+#define auxlib_h
+
+
+#include "lua.h"
+
+
+struct luaL_reg {
+  char *name;
+  lua_CFunction func;
+};
+
+
+#define luaL_arg_check(cond,numarg,extramsg) if (!(cond)) \
+                                               luaL_argerror(numarg,extramsg)
+
+void luaL_openlib (struct luaL_reg *l, int n);
+void luaL_argerror (int numarg, char *extramsg);
+#define luaL_check_string(n)  (luaL_check_lstr((n), NULL))
+char *luaL_check_lstr (int numArg, long *len);
+#define luaL_opt_string(n, d) (luaL_opt_lstr((n), (d), NULL))
+char *luaL_opt_lstr (int numArg, char *def, long *len);
+double luaL_check_number (int numArg);
+#define luaL_check_int(n)	((int)luaL_check_number(n))
+#define luaL_check_long(n)	((long)luaL_check_number(n))
+double luaL_opt_number (int numArg, double def);
+#define luaL_opt_int(n,d)	((int)luaL_opt_number(n,d))
+#define luaL_opt_long(n,d)	((long)luaL_opt_number(n,d))
+lua_Object luaL_functionarg (int arg);
+lua_Object luaL_tablearg (int arg);
+lua_Object luaL_nonnullarg (int numArg);
+void luaL_verror (char *fmt, ...);
+char *luaL_openspace (int size);
+void luaL_resetbuffer (void);
+void luaL_addchar (int c);
+int luaL_getsize (void);
+void luaL_addsize (int n);
+int luaL_newbuffer (int size);
+void luaL_oldbuffer (int old);
+char *luaL_buffer (void);
+int luaL_findstring (char *name, char *list[]);
+void luaL_chunkid (char *out, char *source, int len);
+void luaL_filesource (char *out, char *filename, int len);
+
+
+#endif