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- #ifndef Py_PARSER_H
- #define Py_PARSER_H
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /***********************************************************
- Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
- The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI or Corporation for National Research Initiatives or
- CNRI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior
- permission.
-
- While CWI is the initial source for this software, a modified version
- is made available by the Corporation for National Research Initiatives
- (CNRI) at the Internet address ftp://ftp.python.org.
-
- STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
- REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
- CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Parser interface */
-
- #define MAXSTACK 500
-
- 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 */
- } parser_state;
-
- parser_state *newparser PROTO((grammar *g, int start));
- void delparser PROTO((parser_state *ps));
- int addtoken PROTO((parser_state *ps, int type, char *str, int lineno));
- void addaccelerators PROTO((grammar *g));
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_PARSER_H */
-