1 #ifndef Py_PARSER_H

     2 #define Py_PARSER_H

     3 #ifdef __cplusplus

     4 extern "C" {

     5 #endif

     6 

     7 

     8 /* Parser interface */

     9 

    10 #define MAXSTACK 1500

    11 

    12 typedef struct {

    13 	int		 s_state;	/* State in current DFA */

    14 	dfa		*s_dfa;		/* Current DFA */

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

    16 } stackentry;

    17 

    18 typedef struct {

    19 	stackentry	*s_top;		/* Top entry */

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

    21 					/* NB The stack grows down */

    22 } stack;

    23 

    24 typedef struct {

    25 	stack	 	p_stack;	/* Stack of parser states */

    26 	grammar		*p_grammar;	/* Grammar to use */

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

    28 #ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD

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

    30 #endif

    31 } parser_state;

    32 

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

    34 void PyParser_Delete(parser_state *ps);

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

    36                       int *expected_ret);

    37 void PyGrammar_AddAccelerators(grammar *g);

    38 

    39 #ifdef __cplusplus

    40 }

    41 #endif

    42 #endif /* !Py_PARSER_H */