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43 lines
1000 B
43 lines
1000 B
4 years ago
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#ifndef Py_PARSER_H
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#define Py_PARSER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Parser interface */
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#define MAXSTACK 500
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typedef struct {
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int s_state; /* State in current DFA */
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dfa *s_dfa; /* Current DFA */
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struct _node *s_parent; /* Where to add next node */
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} stackentry;
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typedef struct {
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stackentry *s_top; /* Top entry */
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stackentry s_base[MAXSTACK];/* Array of stack entries */
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/* NB The stack grows down */
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} stack;
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typedef struct {
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stack p_stack; /* Stack of parser states */
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grammar *p_grammar; /* Grammar to use */
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node *p_tree; /* Top of parse tree */
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#if 0 /* future keyword */
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int p_generators; /* 1 if yield is a keyword */
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#endif
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} parser_state;
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parser_state *PyParser_New(grammar *g, int start);
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void PyParser_Delete(parser_state *ps);
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int PyParser_AddToken(parser_state *ps, int type, char *str, int lineno,
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int *expected_ret);
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void PyGrammar_AddAccelerators(grammar *g);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_PARSER_H */
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