Guido van Rossum | a330996 | 1993-07-28 09:05:47 +0000 | [diff] [blame] | 1 | #ifndef Py_PARSER_H |
| 2 | #define Py_PARSER_H |
| 3 | #ifdef __cplusplus |
| 4 | extern "C" { |
| 5 | #endif |
| 6 | |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 7 | /*********************************************************** |
Guido van Rossum | b9f8d6e | 1995-01-04 19:08:09 +0000 | [diff] [blame] | 8 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 9 | The Netherlands. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 10 | |
| 11 | All Rights Reserved |
| 12 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 13 | Permission to use, copy, modify, and distribute this software and its |
| 14 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 15 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 16 | both that copyright notice and this permission notice appear in |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 17 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 18 | Centrum or CWI or Corporation for National Research Initiatives or |
| 19 | CNRI not be used in advertising or publicity pertaining to |
| 20 | distribution of the software without specific, written prior |
| 21 | permission. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 22 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 23 | While CWI is the initial source for this software, a modified version |
| 24 | is made available by the Corporation for National Research Initiatives |
| 25 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 26 | |
| 27 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 28 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 29 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 30 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 31 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 32 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 33 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 34 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 35 | |
| 36 | ******************************************************************/ |
| 37 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 38 | /* Parser interface */ |
| 39 | |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 40 | #define MAXSTACK 500 |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 41 | |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 42 | typedef struct { |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 43 | int s_state; /* State in current DFA */ |
| 44 | dfa *s_dfa; /* Current DFA */ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 45 | struct _node *s_parent; /* Where to add next node */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 46 | } stackentry; |
| 47 | |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 48 | typedef struct { |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 49 | stackentry *s_top; /* Top entry */ |
| 50 | stackentry s_base[MAXSTACK];/* Array of stack entries */ |
| 51 | /* NB The stack grows down */ |
| 52 | } stack; |
| 53 | |
| 54 | typedef struct { |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 55 | stack p_stack; /* Stack of parser states */ |
| 56 | grammar *p_grammar; /* Grammar to use */ |
| 57 | node *p_tree; /* Top of parse tree */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 58 | } parser_state; |
| 59 | |
Guido van Rossum | 86bea46 | 1997-04-29 21:03:06 +0000 | [diff] [blame^] | 60 | parser_state *PyParser_New Py_PROTO((grammar *g, int start)); |
| 61 | void PyParser_Delete Py_PROTO((parser_state *ps)); |
| 62 | int PyParser_AddToken |
| 63 | Py_PROTO((parser_state *ps, int type, char *str, int lineno)); |
| 64 | void PyGrammar_AddAccelerators Py_PROTO((grammar *g)); |
Guido van Rossum | a330996 | 1993-07-28 09:05:47 +0000 | [diff] [blame] | 65 | |
| 66 | #ifdef __cplusplus |
| 67 | } |
| 68 | #endif |
| 69 | #endif /* !Py_PARSER_H */ |