1 #ifndef Ta27_PARSER_H
2 #define Ta27_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 *Ta27Parser_New(grammar *g, int start);
34 void Ta27Parser_Delete(parser_state *ps);
35 int Ta27Parser_AddToken(parser_state *ps, int type, char *str, int lineno, int col_offset,
36                       int *expected_ret);
37 void Ta27Grammar_AddAccelerators(grammar *g);
38 
39 #ifdef __cplusplus
40 }
41 #endif
42 #endif /* !Ta27_PARSER_H */
43