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- /*
- ** $Id: lpcode.h $
- */
-
- #if !defined(lpcode_h)
- #define lpcode_h
-
- #include "lua.h"
-
- #include "lptypes.h"
- #include "lptree.h"
- #include "lpvm.h"
-
- int tocharset (TTree *tree, Charset *cs);
- int checkaux (TTree *tree, int pred);
- int fixedlen (TTree *tree);
- int hascaptures (TTree *tree);
- int lp_gc (lua_State *L);
- Instruction *compile (lua_State *L, Pattern *p);
- void realloccode (lua_State *L, Pattern *p, int nsize);
- int sizei (const Instruction *i);
-
-
- #define PEnullable 0
- #define PEnofail 1
-
- /*
- ** nofail(t) implies that 't' cannot fail with any input
- */
- #define nofail(t) checkaux(t, PEnofail)
-
- /*
- ** (not nullable(t)) implies 't' cannot match without consuming
- ** something
- */
- #define nullable(t) checkaux(t, PEnullable)
-
-
-
- #endif
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