FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/module/lua/ldo.h

     /*
     ** $Id: ldo.h,v 2.20.1.1 2013/04/12 18:48:47 roberto Exp $
     ** Stack and Call structure of Lua
     ** See Copyright Notice in lua.h
     */
     
     #ifndef ldo_h
     #define ldo_h
     
    
    #include "lobject.h"
    #include "lstate.h"
    #include "lzio.h"
    
    
    #define luaD_checkstack(L,n)    if (L->stack_last - L->top <= (n)) \
                                        luaD_growstack(L, n); else condmovestack(L);
    
    
    #define incr_top(L) {L->top++; luaD_checkstack(L,0);}
    
    #define savestack(L,p)          ((char *)(p) - (char *)L->stack)
    #define restorestack(L,n)       ((TValue *)((char *)L->stack + (n)))
    
    
    /* type of protected functions, to be ran by `runprotected' */
    typedef void (*Pfunc) (lua_State *L, void *ud);
    
    LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name,
                                                      const char *mode);
    LUAI_FUNC void luaD_hook (lua_State *L, int event, int line);
    LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
    LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults,
                                            int allowyield);
    LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
                                            ptrdiff_t oldtop, ptrdiff_t ef);
    LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
    LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
    LUAI_FUNC void luaD_growstack (lua_State *L, int n);
    LUAI_FUNC void luaD_shrinkstack (lua_State *L);
    
    LUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode);
    LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
    
    #endif

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