misc/liblua/lauxlib.h
author nemo
Sat, 27 Apr 2013 16:56:50 -0400
changeset 8939 b26aaf28c920
parent 2812 0a24853de796
child 10017 de822cd3df3a
permissions -rw-r--r--
So. First pass. Add secondary explosions to RateExplosion and RateShotgun. Not yet added to shoves. This is of limited utility at present since the dX has to be small since we can't bother tracing all hog motion. But, should be more useful once shove is added, and tracking of explosives and mines.
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/*
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** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $
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** Auxiliary functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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#ifndef lauxlib_h
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#define lauxlib_h
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#include <stddef.h>
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#include <stdio.h>
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#include "lua.h"
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#if defined(LUA_COMPAT_GETN)
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LUALIB_API int (luaL_getn) (lua_State *L, int t);
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LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);
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#else
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#define luaL_getn(L,i)          ((int)lua_objlen(L, i))
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#define luaL_setn(L,i,j)        ((void)0)  /* no op! */
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#endif
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#if defined(LUA_COMPAT_OPENLIB)
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#define luaI_openlib	luaL_openlib
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#endif
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/* extra error code for `luaL_load' */
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#define LUA_ERRFILE     (LUA_ERRERR+1)
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typedef struct luaL_Reg {
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  const char *name;
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  lua_CFunction func;
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} luaL_Reg;
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LUALIB_API void (luaI_openlib) (lua_State *L, const char *libname,
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                                const luaL_Reg *l, int nup);
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LUALIB_API void (luaL_register) (lua_State *L, const char *libname,
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                                const luaL_Reg *l);
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LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
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LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
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LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);
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LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
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LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
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                                                          size_t *l);
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LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
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                                          const char *def, size_t *l);
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LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
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LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
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LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
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LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
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                                          lua_Integer def);
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LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
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LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
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LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
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LUALIB_API int   (luaL_newmetatable) (lua_State *L, const char *tname);
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LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
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LUALIB_API void (luaL_where) (lua_State *L, int lvl);
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LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
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LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
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                                   const char *const lst[]);
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LUALIB_API int (luaL_ref) (lua_State *L, int t);
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LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
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LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);
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LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,
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                                  const char *name);
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LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
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LUALIB_API lua_State *(luaL_newstate) (void);
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LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
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                                                  const char *r);
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LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,
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                                         const char *fname, int szhint);
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/*
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** ===============================================================
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** some useful macros
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** ===============================================================
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*/
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#define luaL_argcheck(L, cond,numarg,extramsg)	\
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		((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
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#define luaL_checkstring(L,n)	(luaL_checklstring(L, (n), NULL))
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#define luaL_optstring(L,n,d)	(luaL_optlstring(L, (n), (d), NULL))
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#define luaL_checkint(L,n)	((int)luaL_checkinteger(L, (n)))
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#define luaL_optint(L,n,d)	((int)luaL_optinteger(L, (n), (d)))
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#define luaL_checklong(L,n)	((long)luaL_checkinteger(L, (n)))
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#define luaL_optlong(L,n,d)	((long)luaL_optinteger(L, (n), (d)))
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#define luaL_typename(L,i)	lua_typename(L, lua_type(L,(i)))
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#define luaL_dofile(L, fn) \
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	(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_dostring(L, s) \
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	(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_getmetatable(L,n)	(lua_getfield(L, LUA_REGISTRYINDEX, (n)))
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#define luaL_opt(L,f,n,d)	(lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
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/*
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** {======================================================
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** Generic Buffer manipulation
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** =======================================================
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*/
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typedef struct luaL_Buffer {
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  char *p;			/* current position in buffer */
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  int lvl;  /* number of strings in the stack (level) */
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  lua_State *L;
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  char buffer[LUAL_BUFFERSIZE];
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} luaL_Buffer;
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#define luaL_addchar(B,c) \
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  ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
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   (*(B)->p++ = (char)(c)))
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/* compatibility only */
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#define luaL_putchar(B,c)	luaL_addchar(B,c)
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#define luaL_addsize(B,n)	((B)->p += (n))
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LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
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LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);
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LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
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LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
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LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
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LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
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/* }====================================================== */
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/* compatibility with ref system */
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/* pre-defined references */
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#define LUA_NOREF       (-2)
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#define LUA_REFNIL      (-1)
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#define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
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      (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
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#define lua_unref(L,ref)        luaL_unref(L, LUA_REGISTRYINDEX, (ref))
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#define lua_getref(L,ref)       lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
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#define luaL_reg	luaL_Reg
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#endif
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