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small steps towards yields in iterators and tag methods

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This commit is contained in:
Roberto Ierusalimschy
2004-05-14 16:25:09 -03:00
parent 7966a4acae
commit 0bda88e6cd
6 changed files with 113 additions and 81 deletions
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10
ldo.h
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@@ -1,5 +1,5 @@
/*
** $Id: ldo.h,v 1.58 2003/08/27 21:01:44 roberto Exp roberto $
** $Id: ldo.h,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@@ -38,13 +38,19 @@
#define restoreci(L,n) ((CallInfo *)((char *)L->base_ci + (n)))
/* results from luaD_precall */
#define PCRLUA 0 /* initiated a call to a Lua function */
#define PCRC 1 /* did a call to a C function */
#define PCRYIELD 2 /* C funtion yielded */
/* type of protected functions, to be ran by `runprotected' */
typedef void (*Pfunc) (lua_State *L, void *ud);
void luaD_resetprotection (lua_State *L);
int luaD_protectedparser (lua_State *L, ZIO *z, const char *name);
void luaD_callhook (lua_State *L, int event, int line);
StkId luaD_precall (lua_State *L, StkId func);
int luaD_precall (lua_State *L, StkId func, int nresults);
void luaD_call (lua_State *L, StkId func, int nResults);
int luaD_pcall (lua_State *L, Pfunc func, void *u,
ptrdiff_t oldtop, ptrdiff_t ef);