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58 lines
1.6 KiB
58 lines
1.6 KiB
/*
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** $Id: lfunc.h,v 2.15.1.1 2017/04/19 17:39:34 roberto Exp $
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** Auxiliary functions to manipulate prototypes and closures
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** See Copyright Notice in lua.h
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*/
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#ifndef lfunc_h
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#define lfunc_h
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#include "lobject.h"
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#define sizeCclosure(n) (cast(int, sizeof(CClosure)) + \
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cast(int, sizeof(TValue)*((n)-1)))
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#define sizeLclosure(n) (cast(int, sizeof(LClosure)) + \
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cast(int, sizeof(TValue *)*((n)-1)))
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/* test whether thread is in 'twups' list */
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#define isintwups(L) (L->twups != L)
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/*
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** maximum number of upvalues in a closure (both C and Lua). (Value
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** must fit in a VM register.)
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*/
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#define MAXUPVAL 125
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/* RAVI change; #define MAXUPVAL 255 */
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#define upisopen(up) ((up)->v != &(up)->u.value)
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/*
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** Special "status" for 'luaF_close'
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*/
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/* close upvalues without running their closing methods */
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#define NOCLOSINGMETH (-1)
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/* close upvalues running all closing methods in protected mode */
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#define CLOSEPROTECT (-2)
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LUAI_FUNC Proto *luaF_newproto (lua_State *L);
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LUAI_FUNC CClosure *luaF_newCclosure (lua_State *L, int nelems);
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LUAI_FUNC LClosure *luaF_newLclosure (lua_State *L, int nelems);
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LUAI_FUNC void luaF_initupvals (lua_State *L, LClosure *cl);
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LUAI_FUNC UpVal *luaF_findupval (lua_State *L, StkId level);
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LUAI_FUNC int luaF_close (lua_State *L, StkId level, int status);
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LUAI_FUNC void luaF_freeproto (lua_State *L, Proto *f);
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/* The additional type argument is a Ravi extension */
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LUAI_FUNC const char *luaF_getlocalname (const Proto *func, int local_number,
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int pc, ravi_type_map* type, TString **usertype);
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#endif
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