#ifndef Py_PARSER_H

#define Py_PARSER_H

#ifdef __cplusplus

extern "C" {

#endif

/* Parser interface */

#define MAXSTACK 1500

typedef struct {

	int		 s_state;	/* State in current DFA */

	dfa		*s_dfa;		/* Current DFA */

	struct _node	*s_parent;	/* Where to add next node */

} stackentry;

typedef struct {

	stackentry	*s_top;		/* Top entry */

	stackentry	 s_base[MAXSTACK];/* Array of stack entries */

					/* NB The stack grows down */

} stack;

typedef struct {

	stack	 	p_stack;	/* Stack of parser states */

	grammar		*p_grammar;	/* Grammar to use */

	node		*p_tree;	/* Top of parse tree */

#ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD

	unsigned long	p_flags;	/* see co_flags in Include/code.h */

#endif

} parser_state;

parser_state *PyParser_New(grammar *g, int start);

void PyParser_Delete(parser_state *ps);

int PyParser_AddToken(parser_state *ps, int type, char *str, int lineno, int col_offset,

                      int *expected_ret);

void PyGrammar_AddAccelerators(grammar *g);

#ifdef __cplusplus

}

#endif

#endif /* !Py_PARSER_H */