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42 lines
1.0 KiB
42 lines
1.0 KiB
#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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