mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#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 *PyParser_New Py_PROTO((grammar *g, int start));
|
|
void PyParser_Delete Py_PROTO((parser_state *ps));
|
|
int PyParser_AddToken
|
|
Py_PROTO((parser_state *ps, int type, char *str, int lineno));
|
|
void PyGrammar_AddAccelerators Py_PROTO((grammar *g));
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_PARSER_H */
|