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source: downloads/boost_1_34_1/libs/graph/src/graphviz_graph_lex.cpp @ 45

Last change on this file since 45 was 29, checked in by landauf, 17 years ago
updated boost from 1_33_1 to 1_34_1
File size: 53.5 KB

Line
1	// Copyright (C) 2002 Trustees of Indiana University
2
3	// Distributed under the Boost Software License, Version 1.0.
4	// (See accompanying file LICENSE_1_0.txt or copy at
5	// http://www.boost.org/LICENSE_1_0.txt)
6
7	#define GRAPHVIZ_DIRECTED 0
8	#define yy_create_buffer bgl_undir__create_buffer
9	#define yy_delete_buffer bgl_undir__delete_buffer
10	#define yy_scan_buffer bgl_undir__scan_buffer
11	#define yy_scan_string bgl_undir__scan_string
12	#define yy_scan_bytes bgl_undir__scan_bytes
13	#define yy_flex_debug bgl_undir__flex_debug
14	#define yy_init_buffer bgl_undir__init_buffer
15	#define yy_flush_buffer bgl_undir__flush_buffer
16	#define yy_load_buffer_state bgl_undir__load_buffer_state
17	#define yy_switch_to_buffer bgl_undir__switch_to_buffer
18	#define yyin bgl_undir_in
19	#define yyleng bgl_undir_leng
20	#define yylex bgl_undir_lex
21	#define yyout bgl_undir_out
22	#define yyrestart bgl_undir_restart
23	#define yytext bgl_undir_text
24
25	/* A lexical scanner generated by flex */
26
27	/* Scanner skeleton version:
28	* $Header: /cvsroot/boost/boost/libs/graph/src/Attic/graphviz_graph_lex.cpp,v 1.12.4.2 2007/06/01 16:12:08 witt Exp $
29	*/
30
31	#define FLEX_SCANNER
32	#define YY_FLEX_MAJOR_VERSION 2
33	#define YY_FLEX_MINOR_VERSION 5
34
35	#include <stdio.h>
36
37
38	/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
39	#ifdef c_plusplus
40	#ifndef __cplusplus
41	#define __cplusplus
42	#endif
43	#endif
44
45
46	#ifdef __cplusplus
47
48	#include <stdlib.h>
49
50	/* Use prototypes in function declarations. */
51	#define YY_USE_PROTOS
52
53	/* The "const" storage-class-modifier is valid. */
54	#define YY_USE_CONST
55
56	#else /* ! __cplusplus */
57
58	#if __STDC__
59
60	#define YY_USE_PROTOS
61	#define YY_USE_CONST
62
63	#endif /* __STDC__ */
64	#endif /* ! __cplusplus */
65
66	#ifdef __TURBOC__
67	#pragma warn -rch
68	#pragma warn -use
69	#include <io.h>
70	#include <stdlib.h>
71	#define YY_USE_CONST
72	#define YY_USE_PROTOS
73	#endif
74
75	#ifdef YY_USE_CONST
76	#define yyconst const
77	#else
78	#define yyconst
79	#endif
80
81
82	#ifdef YY_USE_PROTOS
83	#define YY_PROTO(proto) proto
84	#else
85	#define YY_PROTO(proto) ()
86	#endif
87
88	/* Returned upon end-of-file. */
89	#define YY_NULL 0
90
91	/* Promotes a possibly negative, possibly signed char to an unsigned
92	* integer for use as an array index. If the signed char is negative,
93	* we want to instead treat it as an 8-bit unsigned char, hence the
94	* double cast.
95	*/
96	#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
97
98	/* Enter a start condition. This macro really ought to take a parameter,
99	* but we do it the disgusting crufty way forced on us by the ()-less
100	* definition of BEGIN.
101	*/
102	#define BEGIN yy_start = 1 + 2 *
103
104	/* Translate the current start state into a value that can be later handed
105	* to BEGIN to return to the state. The YYSTATE alias is for lex
106	* compatibility.
107	*/
108	#define YY_START ((yy_start - 1) / 2)
109	#define YYSTATE YY_START
110
111	/* Action number for EOF rule of a given start state. */
112	#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
113
114	/* Special action meaning "start processing a new file". */
115	#define YY_NEW_FILE yyrestart( yyin )
116
117	#define YY_END_OF_BUFFER_CHAR 0
118
119	/* Size of default input buffer. */
120	#define YY_BUF_SIZE 16384
121
122	typedef struct yy_buffer_state *YY_BUFFER_STATE;
123
124	extern int yyleng;
125	extern FILE yyin, yyout;
126
127	#define EOB_ACT_CONTINUE_SCAN 0
128	#define EOB_ACT_END_OF_FILE 1
129	#define EOB_ACT_LAST_MATCH 2
130
131	/* The funky do-while in the following #define is used to turn the definition
132	* int a single C statement (which needs a semi-colon terminator). This
133	* avoids problems with code like:
134	*
135	* if ( condition_holds )
136	* yyless( 5 );
137	* else
138	* do_something_else();
139	*
140	* Prior to using the do-while the compiler would get upset at the
141	* "else" because it interpreted the "if" statement as being all
142	* done when it reached the ';' after the yyless() call.
143	*/
144
145	/* Return all but the first 'n' matched characters back to the input stream. */
146
147	#define yyless(n) \
148	do \
149	{ \
150	/* Undo effects of setting up yytext. */ \
151	*yy_cp = yy_hold_char; \
152	YY_RESTORE_YY_MORE_OFFSET \
153	yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
154	YY_DO_BEFORE_ACTION; /* set up yytext again */ \
155	} \
156	while ( 0 )
157
158	#define unput(c) yyunput( c, yytext_ptr )
159
160	/* The following is because we cannot portably get our hands on size_t
161	* (without autoconf's help, which isn't available because we want
162	* flex-generated scanners to compile on their own).
163	*/
164	typedef unsigned int yy_size_t;
165
166
167	struct yy_buffer_state
168	{
169	FILE *yy_input_file;
170
171	char yy_ch_buf; / input buffer */
172	char yy_buf_pos; / current position in input buffer */
173
174	/* Size of input buffer in bytes, not including room for EOB
175	* characters.
176	*/
177	yy_size_t yy_buf_size;
178
179	/* Number of characters read into yy_ch_buf, not including EOB
180	* characters.
181	*/
182	int yy_n_chars;
183
184	/* Whether we "own" the buffer - i.e., we know we created it,
185	* and can realloc() it to grow it, and should free() it to
186	* delete it.
187	*/
188	int yy_is_our_buffer;
189
190	/* Whether this is an "interactive" input source; if so, and
191	* if we're using stdio for input, then we want to use getc()
192	* instead of fread(), to make sure we stop fetching input after
193	* each newline.
194	*/
195	int yy_is_interactive;
196
197	/* Whether we're considered to be at the beginning of a line.
198	* If so, '^' rules will be active on the next match, otherwise
199	* not.
200	*/
201	int yy_at_bol;
202
203	/* Whether to try to fill the input buffer when we reach the
204	* end of it.
205	*/
206	int yy_fill_buffer;
207
208	int yy_buffer_status;
209	#define YY_BUFFER_NEW 0
210	#define YY_BUFFER_NORMAL 1
211	/* When an EOF's been seen but there's still some text to process
212	* then we mark the buffer as YY_EOF_PENDING, to indicate that we
213	* shouldn't try reading from the input source any more. We might
214	* still have a bunch of tokens to match, though, because of
215	* possible backing-up.
216	*
217	* When we actually see the EOF, we change the status to "new"
218	* (via yyrestart()), so that the user can continue scanning by
219	* just pointing yyin at a new input file.
220	*/
221	#define YY_BUFFER_EOF_PENDING 2
222	};
223
224	static YY_BUFFER_STATE yy_current_buffer = 0;
225
226	/* We provide macros for accessing buffer states in case in the
227	* future we want to put the buffer states in a more general
228	* "scanner state".
229	*/
230	#define YY_CURRENT_BUFFER yy_current_buffer
231
232
233	/* yy_hold_char holds the character lost when yytext is formed. */
234	static char yy_hold_char;
235
236	static int yy_n_chars; /* number of characters read into yy_ch_buf */
237
238
239	int yyleng;
240
241	/* Points to current character in buffer. */
242	static char yy_c_buf_p = (char ) 0;
243	static int yy_init = 1; /* whether we need to initialize */
244	static int yy_start = 0; /* start state number */
245
246	/* Flag which is used to allow yywrap()'s to do buffer switches
247	* instead of setting up a fresh yyin. A bit of a hack ...
248	*/
249	static int yy_did_buffer_switch_on_eof;
250
251	void yyrestart YY_PROTO(( FILE *input_file ));
252
253	void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
254	void yy_load_buffer_state YY_PROTO(( void ));
255	YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
256	void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
257	void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
258	void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
259	#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
260
261	YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
262	YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
263	YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
264
265	static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
266	static void yy_flex_realloc YY_PROTO(( void , yy_size_t ));
267	static void yy_flex_free YY_PROTO(( void * ));
268
269	#define yy_new_buffer yy_create_buffer
270
271	#define yy_set_interactive(is_interactive) \
272	{ \
273	if ( ! yy_current_buffer ) \
274	yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
275	yy_current_buffer->yy_is_interactive = is_interactive; \
276	}
277
278	#define yy_set_bol(at_bol) \
279	{ \
280	if ( ! yy_current_buffer ) \
281	yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
282	yy_current_buffer->yy_at_bol = at_bol; \
283	}
284
285	#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
286
287
288	#define yywrap() 1
289	#define YY_SKIP_YYWRAP
290	typedef unsigned char YY_CHAR;
291	FILE yyin = (FILE ) 0, yyout = (FILE ) 0;
292	typedef int yy_state_type;
293	extern char *yytext;
294	#define yytext_ptr yytext
295
296	static yy_state_type yy_get_previous_state YY_PROTO(( void ));
297	static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
298	static int yy_get_next_buffer YY_PROTO(( void ));
299	static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
300
301	/* Done after the current pattern has been matched and before the
302	* corresponding action - sets up yytext.
303	*/
304	#define YY_DO_BEFORE_ACTION \
305	yytext_ptr = yy_bp; \
306	yyleng = (int) (yy_cp - yy_bp); \
307	yy_hold_char = *yy_cp; \
308	*yy_cp = '\0'; \
309	yy_c_buf_p = yy_cp;
310
311	#define YY_NUM_RULES 22
312	#define YY_END_OF_BUFFER 23
313	static yyconst short int yy_accept[82] =
314	{ 0,
315	0, 0, 3, 3, 17, 17, 23, 21, 18, 19,
316	20, 14, 21, 21, 21, 21, 21, 13, 13, 13,
317	13, 13, 13, 13, 3, 22, 3, 17, 15, 22,
318	0, 5, 0, 13, 12, 13, 1, 0, 13, 0,
319	13, 13, 13, 13, 13, 13, 13, 13, 3, 2,
320	17, 17, 16, 0, 4, 13, 0, 13, 13, 13,
321	13, 13, 13, 13, 13, 9, 13, 8, 13, 13,
322	13, 7, 13, 13, 13, 10, 13, 6, 13, 11,
323	0
324	} ;
325
326	static yyconst int yy_ec[256] =
327	{ 0,
328	1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
329	1, 1, 4, 1, 1, 1, 1, 1, 1, 1,
330	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
331	1, 2, 1, 5, 6, 1, 1, 1, 1, 1,
332	1, 7, 8, 1, 9, 10, 11, 12, 12, 12,
333	12, 12, 12, 12, 12, 12, 12, 1, 1, 1,
334	1, 13, 1, 1, 14, 14, 14, 14, 15, 14,
335	14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
336	14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
337	1, 16, 1, 1, 14, 1, 17, 18, 19, 20,
338
339	21, 14, 22, 23, 24, 14, 14, 14, 14, 25,
340	26, 27, 14, 28, 29, 30, 31, 14, 14, 14,
341	14, 14, 1, 1, 1, 1, 1, 1, 1, 1,
342	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
343	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
344	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
345	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
346	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
347	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
348	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
349
350	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
351	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
352	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
353	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
354	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
355	1, 1, 1, 1, 1
356	} ;
357
358	static yyconst int yy_meta[32] =
359	{ 0,
360	1, 1, 2, 1, 3, 1, 1, 1, 1, 1,
361	1, 4, 1, 4, 4, 3, 4, 4, 4, 4,
362	4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
363	4
364	} ;
365
366	static yyconst short int yy_base[91] =
367	{ 0,
368	0, 0, 29, 30, 29, 30, 169, 170, 170, 170,
369	170, 170, 165, 28, 38, 155, 32, 42, 154, 29,
370	44, 30, 43, 37, 0, 170, 154, 0, 170, 161,
371	160, 170, 150, 50, 170, 58, 170, 158, 60, 68,
372	0, 148, 62, 66, 49, 70, 71, 73, 0, 0,
373	0, 170, 170, 156, 170, 74, 137, 132, 75, 80,
374	32, 81, 82, 85, 88, 117, 86, 114, 92, 84,
375	96, 112, 98, 101, 102, 110, 103, 109, 104, 108,
376	170, 130, 134, 138, 115, 142, 146, 150, 154, 113
377	} ;
378
379	static yyconst short int yy_def[91] =
380	{ 0,
381	81, 1, 82, 82, 83, 83, 81, 81, 81, 81,
382	81, 81, 84, 81, 81, 81, 81, 81, 85, 85,
383	85, 85, 85, 85, 86, 81, 86, 87, 81, 88,
384	84, 81, 81, 81, 81, 81, 81, 89, 81, 81,
385	90, 85, 85, 85, 85, 85, 85, 85, 86, 86,
386	87, 81, 81, 89, 81, 81, 81, 81, 85, 85,
387	85, 85, 85, 85, 85, 85, 85, 85, 85, 85,
388	85, 85, 85, 85, 85, 85, 85, 85, 85, 85,
389	0, 81, 81, 81, 81, 81, 81, 81, 81, 81
390	} ;
391
392	static yyconst short int yy_nxt[202] =
393	{ 0,
394	8, 9, 10, 11, 12, 13, 8, 14, 15, 16,
395	17, 18, 8, 19, 19, 8, 19, 19, 19, 20,
396	21, 22, 19, 19, 23, 19, 19, 19, 24, 19,
397	19, 26, 26, 29, 29, 27, 27, 33, 37, 34,
398	41, 41, 38, 41, 30, 30, 35, 33, 41, 34,
399	35, 39, 43, 34, 41, 41, 40, 45, 67, 39,
400	41, 34, 40, 44, 40, 61, 47, 48, 46, 36,
401	40, 56, 40, 41, 40, 57, 57, 41, 40, 58,
402	40, 41, 41, 59, 41, 56, 41, 60, 40, 62,
403	64, 41, 41, 41, 40, 41, 41, 41, 63, 41,
404
405	66, 68, 65, 41, 71, 69, 70, 41, 72, 41,
406	73, 74, 41, 41, 41, 41, 41, 77, 42, 41,
407	41, 41, 75, 41, 78, 41, 80, 76, 41, 79,
408	25, 25, 25, 25, 28, 28, 28, 28, 31, 31,
409	31, 31, 49, 58, 49, 49, 51, 51, 58, 51,
410	52, 52, 52, 52, 54, 54, 54, 54, 55, 41,
411	55, 36, 32, 53, 50, 41, 36, 32, 81, 7,
412	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
413	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
414	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
415
416	81
417	} ;
418
419	static yyconst short int yy_chk[202] =
420	{ 0,
421	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
422	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
423	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
424	1, 3, 4, 5, 6, 3, 4, 14, 17, 14,
425	20, 22, 17, 61, 5, 6, 15, 15, 24, 15,
426	15, 18, 20, 18, 23, 21, 18, 22, 61, 34,
427	45, 34, 18, 21, 34, 45, 24, 24, 23, 36,
428	34, 39, 36, 43, 39, 40, 40, 44, 36, 40,
429	39, 46, 47, 43, 48, 56, 59, 44, 56, 46,
430	48, 60, 62, 63, 56, 70, 64, 67, 47, 65,
431
432	60, 62, 59, 69, 65, 63, 64, 71, 67, 73,
433	69, 70, 74, 75, 77, 79, 90, 74, 85, 80,
434	78, 76, 71, 72, 75, 68, 79, 73, 66, 77,
435	82, 82, 82, 82, 83, 83, 83, 83, 84, 84,
436	84, 84, 86, 58, 86, 86, 87, 87, 57, 87,
437	88, 88, 88, 88, 89, 89, 89, 89, 54, 42,
438	38, 33, 31, 30, 27, 19, 16, 13, 7, 81,
439	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
440	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
441	81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
442
443	81
444	} ;
445
446	static yy_state_type yy_last_accepting_state;
447	static char *yy_last_accepting_cpos;
448
449	/* The intent behind this definition is that it'll catch
450	* any uses of REJECT which flex missed.
451	*/
452	#define REJECT reject_used_but_not_detected
453	#define yymore() yymore_used_but_not_detected
454	#define YY_MORE_ADJ 0
455	#define YY_RESTORE_YY_MORE_OFFSET
456	char *yytext;
457	#define INITIAL 0
458	//=======================================================================
459	// Copyright 2001 University of Notre Dame.
460	// Author: Lie-Quan Lee
461	//
462	// This file is part of the Boost Graph Library
463	//
464	// You should have received a copy of the License Agreement for the
465	// Boost Graph Library along with the software; see the file LICENSE.
466	// If not, contact Office of Research, University of Notre Dame, Notre
467	// Dame, IN 46556.
468	//
469	// Permission to modify the code and to distribute modified code is
470	// granted, provided the text of this NOTICE is retained, a notice that
471	// the code was modified is included with the above COPYRIGHT NOTICE and
472	// with the COPYRIGHT NOTICE in the LICENSE file, and that the LICENSE
473	// file is distributed with the modified code.
474	//
475	// LICENSOR MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.
476	// By way of example, but not limitation, Licensor MAKES NO
477	// REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY
478	// PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE COMPONENTS
479	// OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS
480	// OR OTHER RIGHTS.
481	//=======================================================================
482
483
484	// Include this first, since it declares YYSTYPE which will
485	// be defined in "*parser.h" if not previosly declared here.
486
487
488	#include "yystype.h"
489	#define YY_DECL int yylex(YYSTYPE* lvalp)
490
491	// When GRAPHVIZ_DIRECTED is declared it means Boost.Build is used.
492	// Headers for directed and undirected graphs are both generated, and
493	// have different names.
494	#ifdef GRAPHVIZ_DIRECTED
495	#if GRAPHVIZ_DIRECTED == 0
496	#define yyerror bgl_undir_error
497	#include "graphviz_graph_parser.hpp"
498	#else
499	#define yyerror bgl_dir_error
500	#include "graphviz_digraph_parser.hpp"
501	#endif
502	#else
503	#error Need to define the GRAPHVIZ_DIRECTED macro to either 0 or 1
504	#endif
505
506
507	#include <string>
508	#include <iostream>
509
510	static std::string literal;
511	static void begin_literal();
512	static void add_string(const char* str);
513	static void end_literal();
514
515	#define Comment 1
516
517	#define Literal 2
518
519
520	/* Macros after this point can all be overridden by user definitions in
521	* section 1.
522	*/
523
524	#ifndef YY_SKIP_YYWRAP
525	#ifdef __cplusplus
526	extern "C" int yywrap YY_PROTO(( void ));
527	#else
528	extern int yywrap YY_PROTO(( void ));
529	#endif
530	#endif
531
532	#ifndef YY_NO_UNPUT
533	static void yyunput YY_PROTO(( int c, char *buf_ptr ));
534	#endif
535
536	#ifndef yytext_ptr
537	static void yy_flex_strncpy YY_PROTO(( char , yyconst char , int ));
538	#endif
539
540	#ifdef YY_NEED_STRLEN
541	static int yy_flex_strlen YY_PROTO(( yyconst char * ));
542	#endif
543
544	#ifndef YY_NO_INPUT
545	#ifdef __cplusplus
546	static int yyinput YY_PROTO(( void ));
547	#else
548	static int input YY_PROTO(( void ));
549	#endif
550	#endif
551
552	#if YY_STACK_USED
553	static int yy_start_stack_ptr = 0;
554	static int yy_start_stack_depth = 0;
555	static int *yy_start_stack = 0;
556	#ifndef YY_NO_PUSH_STATE
557	static void yy_push_state YY_PROTO(( int new_state ));
558	#endif
559	#ifndef YY_NO_POP_STATE
560	static void yy_pop_state YY_PROTO(( void ));
561	#endif
562	#ifndef YY_NO_TOP_STATE
563	static int yy_top_state YY_PROTO(( void ));
564	#endif
565
566	#else
567	#define YY_NO_PUSH_STATE 1
568	#define YY_NO_POP_STATE 1
569	#define YY_NO_TOP_STATE 1
570	#endif
571
572	#ifdef YY_MALLOC_DECL
573	YY_MALLOC_DECL
574	#else
575	#if __STDC__
576	#ifndef __cplusplus
577	#include <stdlib.h>
578	#endif
579	#else
580	/* Just try to get by without declaring the routines. This will fail
581	* miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
582	* or sizeof(void*) != sizeof(int).
583	*/
584	#endif
585	#endif
586
587	/* Amount of stuff to slurp up with each read. */
588	#ifndef YY_READ_BUF_SIZE
589	#define YY_READ_BUF_SIZE 8192
590	#endif
591
592	/* Copy whatever the last rule matched to the standard output. */
593
594	#ifndef ECHO
595	/* This used to be an fputs(), but since the string might contain NUL's,
596	* we now use fwrite().
597	*/
598	#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
599	#endif
600
601	/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
602	* is returned in "result".
603	*/
604	#ifndef YY_INPUT
605	#define YY_INPUT(buf,result,max_size) \
606	if ( yy_current_buffer->yy_is_interactive ) \
607	{ \
608	int c = '*', n; \
609	for ( n = 0; n < max_size && \
610	(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
611	buf[n] = (char) c; \
612	if ( c == '\n' ) \
613	buf[n++] = (char) c; \
614	if ( c == EOF && ferror( yyin ) ) \
615	YY_FATAL_ERROR( "input in flex scanner failed" ); \
616	result = n; \
617	} \
618	else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
619	&& ferror( yyin ) ) \
620	YY_FATAL_ERROR( "input in flex scanner failed" );
621	#endif
622
623	/* No semi-colon after return; correct usage is to write "yyterminate();" -
624	* we don't want an extra ';' after the "return" because that will cause
625	* some compilers to complain about unreachable statements.
626	*/
627	#ifndef yyterminate
628	#define yyterminate() return YY_NULL
629	#endif
630
631	/* Number of entries by which start-condition stack grows. */
632	#ifndef YY_START_STACK_INCR
633	#define YY_START_STACK_INCR 25
634	#endif
635
636	/* Report a fatal error. */
637	#ifndef YY_FATAL_ERROR
638	#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
639	#endif
640
641	/* Default declaration of generated scanner - a define so the user can
642	* easily add parameters.
643	*/
644	#ifndef YY_DECL
645	#define YY_DECL int yylex YY_PROTO(( void ))
646	#endif
647
648	/* Code executed at the beginning of each rule, after yytext and yyleng
649	* have been set up.
650	*/
651	#ifndef YY_USER_ACTION
652	#define YY_USER_ACTION
653	#endif
654
655	/* Code executed at the end of each rule. */
656	#ifndef YY_BREAK
657	#define YY_BREAK break;
658	#endif
659
660	#define YY_RULE_SETUP \
661	YY_USER_ACTION
662
663	YY_DECL
664	{
665	register yy_state_type yy_current_state;
666	register char yy_cp, yy_bp;
667	register int yy_act;
668
669
670
671
672	if ( yy_init )
673	{
674	yy_init = 0;
675
676	#ifdef YY_USER_INIT
677	YY_USER_INIT;
678	#endif
679
680	if ( ! yy_start )
681	yy_start = 1; /* first start state */
682
683	if ( ! yyin )
684	yyin = stdin;
685
686	if ( ! yyout )
687	yyout = stdout;
688
689	if ( ! yy_current_buffer )
690	yy_current_buffer =
691	yy_create_buffer( yyin, YY_BUF_SIZE );
692
693	yy_load_buffer_state();
694	}
695
696	while ( 1 ) /* loops until end-of-file is reached */
697	{
698	yy_cp = yy_c_buf_p;
699
700	/* Support of yytext. */
701	*yy_cp = yy_hold_char;
702
703	/* yy_bp points to the position in yy_ch_buf of the start of
704	* the current run.
705	*/
706	yy_bp = yy_cp;
707
708	yy_current_state = yy_start;
709	yy_match:
710	do
711	{
712	register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
713	if ( yy_accept[yy_current_state] )
714	{
715	yy_last_accepting_state = yy_current_state;
716	yy_last_accepting_cpos = yy_cp;
717	}
718	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
719	{
720	yy_current_state = (int) yy_def[yy_current_state];
721	if ( yy_current_state >= 82 )
722	yy_c = yy_meta[(unsigned int) yy_c];
723	}
724	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
725	++yy_cp;
726	}
727	while ( yy_base[yy_current_state] != 170 );
728
729	yy_find_action:
730	yy_act = yy_accept[yy_current_state];
731	if ( yy_act == 0 )
732	{ /* have to back up */
733	yy_cp = yy_last_accepting_cpos;
734	yy_current_state = yy_last_accepting_state;
735	yy_act = yy_accept[yy_current_state];
736	}
737
738	YY_DO_BEFORE_ACTION;
739
740
741	do_action: /* This label is used only to access EOF actions. */
742
743
744	switch ( yy_act )
745	{ /* beginning of action switch */
746	case 0: /* must back up */
747	/* undo the effects of YY_DO_BEFORE_ACTION */
748	*yy_cp = yy_hold_char;
749	yy_cp = yy_last_accepting_cpos;
750	yy_current_state = yy_last_accepting_state;
751	goto yy_find_action;
752
753	case 1:
754	YY_RULE_SETUP
755	{ BEGIN Comment; }
756	YY_BREAK
757	case 2:
758	YY_RULE_SETUP
759	{ BEGIN INITIAL; }
760	YY_BREAK
761	case 3:
762	YY_RULE_SETUP
763	;
764	YY_BREAK
765	case 4:
766	yy_cp = yy_hold_char; / undo effects of setting up yytext */
767	yy_c_buf_p = yy_cp -= 1;
768	YY_DO_BEFORE_ACTION; /* set up yytext again */
769	YY_RULE_SETUP
770	;
771	YY_BREAK
772	case 5:
773	yy_cp = yy_hold_char; / undo effects of setting up yytext */
774	yy_c_buf_p = yy_cp -= 1;
775	YY_DO_BEFORE_ACTION; /* set up yytext again */
776	YY_RULE_SETUP
777	;
778	YY_BREAK
779	case 6:
780	YY_RULE_SETUP
781	{ return DIGRAPH_T; }
782	YY_BREAK
783	case 7:
784	YY_RULE_SETUP
785	{ return GRAPH_T; }
786	YY_BREAK
787	case 8:
788	YY_RULE_SETUP
789	{ return NODE_T; }
790	YY_BREAK
791	case 9:
792	YY_RULE_SETUP
793	{ return EDGE_T; }
794	YY_BREAK
795	case 10:
796	YY_RULE_SETUP
797	;
798	YY_BREAK
799	case 11:
800	YY_RULE_SETUP
801	{ return SUBGRAPH_T; }
802	YY_BREAK
803	case 12:
804	YY_RULE_SETUP
805	{ return EDGEOP_T; }
806	YY_BREAK
807	case 13:
808	YY_RULE_SETUP
809	{ lvalp->ptr = (void*)(new std::string(yytext)); return ID_T; }
810	YY_BREAK
811	case 14:
812	YY_RULE_SETUP
813	{ BEGIN Literal; begin_literal(); }
814	YY_BREAK
815	case 15:
816	YY_RULE_SETUP
817	{ BEGIN INITIAL; end_literal(); lvalp->ptr = (void*)(new std::string(literal)); return ID_T; }
818	YY_BREAK
819	case 16:
820	YY_RULE_SETUP
821	;
822	YY_BREAK
823	case 17:
824	YY_RULE_SETUP
825	{ add_string(yytext); }
826	YY_BREAK
827	case 18:
828	YY_RULE_SETUP
829	;
830	YY_BREAK
831	case 19:
832	YY_RULE_SETUP
833	;
834	YY_BREAK
835	case 20:
836	YY_RULE_SETUP
837	;
838	YY_BREAK
839	case 21:
840	YY_RULE_SETUP
841	{ return yytext[0]; }
842	YY_BREAK
843	case 22:
844	YY_RULE_SETUP
845	ECHO;
846	YY_BREAK
847	case YY_STATE_EOF(INITIAL):
848	case YY_STATE_EOF(Comment):
849	case YY_STATE_EOF(Literal):
850	yyterminate();
851
852	case YY_END_OF_BUFFER:
853	{
854	/* Amount of text matched not including the EOB char. */
855	int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
856
857	/* Undo the effects of YY_DO_BEFORE_ACTION. */
858	*yy_cp = yy_hold_char;
859	YY_RESTORE_YY_MORE_OFFSET
860
861	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
862	{
863	/* We're scanning a new file or input source. It's
864	* possible that this happened because the user
865	* just pointed yyin at a new source and called
866	* yylex(). If so, then we have to assure
867	* consistency between yy_current_buffer and our
868	* globals. Here is the right place to do so, because
869	* this is the first action (other than possibly a
870	* back-up) that will match for the new input source.
871	*/
872	yy_n_chars = yy_current_buffer->yy_n_chars;
873	yy_current_buffer->yy_input_file = yyin;
874	yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
875	}
876
877	/* Note that here we test for yy_c_buf_p "<=" to the position
878	* of the first EOB in the buffer, since yy_c_buf_p will
879	* already have been incremented past the NUL character
880	* (since all states make transitions on EOB to the
881	* end-of-buffer state). Contrast this with the test
882	* in input().
883	*/
884	if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
885	{ /* This was really a NUL. */
886	yy_state_type yy_next_state;
887
888	yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
889
890	yy_current_state = yy_get_previous_state();
891
892	/* Okay, we're now positioned to make the NUL
893	* transition. We couldn't have
894	* yy_get_previous_state() go ahead and do it
895	* for us because it doesn't know how to deal
896	* with the possibility of jamming (and we don't
897	* want to build jamming into it because then it
898	* will run more slowly).
899	*/
900
901	yy_next_state = yy_try_NUL_trans( yy_current_state );
902
903	yy_bp = yytext_ptr + YY_MORE_ADJ;
904
905	if ( yy_next_state )
906	{
907	/* Consume the NUL. */
908	yy_cp = ++yy_c_buf_p;
909	yy_current_state = yy_next_state;
910	goto yy_match;
911	}
912
913	else
914	{
915	yy_cp = yy_c_buf_p;
916	goto yy_find_action;
917	}
918	}
919
920	else switch ( yy_get_next_buffer() )
921	{
922	case EOB_ACT_END_OF_FILE:
923	{
924	yy_did_buffer_switch_on_eof = 0;
925
926	if ( yywrap() )
927	{
928	/* Note: because we've taken care in
929	* yy_get_next_buffer() to have set up
930	* yytext, we can now set up
931	* yy_c_buf_p so that if some total
932	* hoser (like flex itself) wants to
933	* call the scanner after we return the
934	* YY_NULL, it'll still work - another
935	* YY_NULL will get returned.
936	*/
937	yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
938
939	yy_act = YY_STATE_EOF(YY_START);
940	goto do_action;
941	}
942
943	else
944	{
945	if ( ! yy_did_buffer_switch_on_eof )
946	YY_NEW_FILE;
947	}
948	break;
949	}
950
951	case EOB_ACT_CONTINUE_SCAN:
952	yy_c_buf_p =
953	yytext_ptr + yy_amount_of_matched_text;
954
955	yy_current_state = yy_get_previous_state();
956
957	yy_cp = yy_c_buf_p;
958	yy_bp = yytext_ptr + YY_MORE_ADJ;
959	goto yy_match;
960
961	case EOB_ACT_LAST_MATCH:
962	yy_c_buf_p =
963	&yy_current_buffer->yy_ch_buf[yy_n_chars];
964
965	yy_current_state = yy_get_previous_state();
966
967	yy_cp = yy_c_buf_p;
968	yy_bp = yytext_ptr + YY_MORE_ADJ;
969	goto yy_find_action;
970	}
971	break;
972	}
973
974	default:
975	YY_FATAL_ERROR(
976	"fatal flex scanner internal error--no action found" );
977	} /* end of action switch */
978	} /* end of scanning one token */
979	} /* end of yylex */
980
981
982	/* yy_get_next_buffer - try to read in a new buffer
983	*
984	* Returns a code representing an action:
985	* EOB_ACT_LAST_MATCH -
986	* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
987	* EOB_ACT_END_OF_FILE - end of file
988	*/
989
990	static int yy_get_next_buffer()
991	{
992	register char *dest = yy_current_buffer->yy_ch_buf;
993	register char *source = yytext_ptr;
994	register int number_to_move, i;
995	int ret_val;
996
997	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
998	YY_FATAL_ERROR(
999	"fatal flex scanner internal error--end of buffer missed" );
1000
1001	if ( yy_current_buffer->yy_fill_buffer == 0 )
1002	{ /* Don't try to fill the buffer, so this is an EOF. */
1003	if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
1004	{
1005	/* We matched a single character, the EOB, so
1006	* treat this as a final EOF.
1007	*/
1008	return EOB_ACT_END_OF_FILE;
1009	}
1010
1011	else
1012	{
1013	/* We matched some text prior to the EOB, first
1014	* process it.
1015	*/
1016	return EOB_ACT_LAST_MATCH;
1017	}
1018	}
1019
1020	/* Try to read more data. */
1021
1022	/* First move last chars to start of buffer. */
1023	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
1024
1025	for ( i = 0; i < number_to_move; ++i )
1026	(dest++) = (source++);
1027
1028	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1029	/* don't do the read, it's not guaranteed to return an EOF,
1030	* just force an EOF
1031	*/
1032	yy_current_buffer->yy_n_chars = yy_n_chars = 0;
1033
1034	else
1035	{
1036	int num_to_read =
1037	yy_current_buffer->yy_buf_size - number_to_move - 1;
1038
1039	while ( num_to_read <= 0 )
1040	{ /* Not enough room in the buffer - grow it. */
1041	#ifdef YY_USES_REJECT
1042	YY_FATAL_ERROR(
1043	"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
1044	#else
1045
1046	/* just a shorter name for the current buffer */
1047	YY_BUFFER_STATE b = yy_current_buffer;
1048
1049	int yy_c_buf_p_offset =
1050	(int) (yy_c_buf_p - b->yy_ch_buf);
1051
1052	if ( b->yy_is_our_buffer )
1053	{
1054	int new_size = b->yy_buf_size * 2;
1055
1056	if ( new_size <= 0 )
1057	b->yy_buf_size += b->yy_buf_size / 8;
1058	else
1059	b->yy_buf_size *= 2;
1060
1061	b->yy_ch_buf = (char *)
1062	/* Include room in for 2 EOB chars. */
1063	yy_flex_realloc( (void *) b->yy_ch_buf,
1064	b->yy_buf_size + 2 );
1065	}
1066	else
1067	/* Can't grow it, we don't own it. */
1068	b->yy_ch_buf = 0;
1069
1070	if ( ! b->yy_ch_buf )
1071	YY_FATAL_ERROR(
1072	"fatal error - scanner input buffer overflow" );
1073
1074	yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
1075
1076	num_to_read = yy_current_buffer->yy_buf_size -
1077	number_to_move - 1;
1078	#endif
1079	}
1080
1081	if ( num_to_read > YY_READ_BUF_SIZE )
1082	num_to_read = YY_READ_BUF_SIZE;
1083
1084	/* Read in more data. */
1085	YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
1086	yy_n_chars, num_to_read );
1087
1088	yy_current_buffer->yy_n_chars = yy_n_chars;
1089	}
1090
1091	if ( yy_n_chars == 0 )
1092	{
1093	if ( number_to_move == YY_MORE_ADJ )
1094	{
1095	ret_val = EOB_ACT_END_OF_FILE;
1096	yyrestart( yyin );
1097	}
1098
1099	else
1100	{
1101	ret_val = EOB_ACT_LAST_MATCH;
1102	yy_current_buffer->yy_buffer_status =
1103	YY_BUFFER_EOF_PENDING;
1104	}
1105	}
1106
1107	else
1108	ret_val = EOB_ACT_CONTINUE_SCAN;
1109
1110	yy_n_chars += number_to_move;
1111	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
1112	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
1113
1114	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
1115
1116	return ret_val;
1117	}
1118
1119
1120	/* yy_get_previous_state - get the state just before the EOB char was reached */
1121
1122	static yy_state_type yy_get_previous_state()
1123	{
1124	register yy_state_type yy_current_state;
1125	register char *yy_cp;
1126
1127	yy_current_state = yy_start;
1128
1129	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
1130	{
1131	register YY_CHAR yy_c = (yy_cp ? yy_ec[YY_SC_TO_UI(yy_cp)] : 1);
1132	if ( yy_accept[yy_current_state] )
1133	{
1134	yy_last_accepting_state = yy_current_state;
1135	yy_last_accepting_cpos = yy_cp;
1136	}
1137	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1138	{
1139	yy_current_state = (int) yy_def[yy_current_state];
1140	if ( yy_current_state >= 82 )
1141	yy_c = yy_meta[(unsigned int) yy_c];
1142	}
1143	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1144	}
1145
1146	return yy_current_state;
1147	}
1148
1149
1150	/* yy_try_NUL_trans - try to make a transition on the NUL character
1151	*
1152	* synopsis
1153	* next_state = yy_try_NUL_trans( current_state );
1154	*/
1155
1156	#ifdef YY_USE_PROTOS
1157	static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
1158	#else
1159	static yy_state_type yy_try_NUL_trans( yy_current_state )
1160	yy_state_type yy_current_state;
1161	#endif
1162	{
1163	register int yy_is_jam;
1164	register char *yy_cp = yy_c_buf_p;
1165
1166	register YY_CHAR yy_c = 1;
1167	if ( yy_accept[yy_current_state] )
1168	{
1169	yy_last_accepting_state = yy_current_state;
1170	yy_last_accepting_cpos = yy_cp;
1171	}
1172	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1173	{
1174	yy_current_state = (int) yy_def[yy_current_state];
1175	if ( yy_current_state >= 82 )
1176	yy_c = yy_meta[(unsigned int) yy_c];
1177	}
1178	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1179	yy_is_jam = (yy_current_state == 81);
1180
1181	return yy_is_jam ? 0 : yy_current_state;
1182	}
1183
1184
1185	#ifndef YY_NO_UNPUT
1186	#ifdef YY_USE_PROTOS
1187	static void yyunput( int c, register char *yy_bp )
1188	#else
1189	static void yyunput( c, yy_bp )
1190	int c;
1191	register char *yy_bp;
1192	#endif
1193	{
1194	register char *yy_cp = yy_c_buf_p;
1195
1196	/* undo effects of setting up yytext */
1197	*yy_cp = yy_hold_char;
1198
1199	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
1200	{ /* need to shift things up to make room */
1201	/* +2 for EOB chars. */
1202	register int number_to_move = yy_n_chars + 2;
1203	register char *dest = &yy_current_buffer->yy_ch_buf[
1204	yy_current_buffer->yy_buf_size + 2];
1205	register char *source =
1206	&yy_current_buffer->yy_ch_buf[number_to_move];
1207
1208	while ( source > yy_current_buffer->yy_ch_buf )
1209	--dest = --source;
1210
1211	yy_cp += (int) (dest - source);
1212	yy_bp += (int) (dest - source);
1213	yy_current_buffer->yy_n_chars =
1214	yy_n_chars = yy_current_buffer->yy_buf_size;
1215
1216	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
1217	YY_FATAL_ERROR( "flex scanner push-back overflow" );
1218	}
1219
1220	*--yy_cp = (char) c;
1221
1222
1223	yytext_ptr = yy_bp;
1224	yy_hold_char = *yy_cp;
1225	yy_c_buf_p = yy_cp;
1226	}
1227	#endif /* ifndef YY_NO_UNPUT */
1228
1229
1230	#ifdef __cplusplus
1231	static int yyinput()
1232	#else
1233	static int input()
1234	#endif
1235	{
1236	int c;
1237
1238	*yy_c_buf_p = yy_hold_char;
1239
1240	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
1241	{
1242	/* yy_c_buf_p now points to the character we want to return.
1243	* If this occurs before the EOB characters, then it's a
1244	* valid NUL; if not, then we've hit the end of the buffer.
1245	*/
1246	if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1247	/* This was really a NUL. */
1248	*yy_c_buf_p = '\0';
1249
1250	else
1251	{ /* need more input */
1252	int offset = yy_c_buf_p - yytext_ptr;
1253	++yy_c_buf_p;
1254
1255	switch ( yy_get_next_buffer() )
1256	{
1257	case EOB_ACT_LAST_MATCH:
1258	/* This happens because yy_g_n_b()
1259	* sees that we've accumulated a
1260	* token and flags that we need to
1261	* try matching the token before
1262	* proceeding. But for input(),
1263	* there's no matching to consider.
1264	* So convert the EOB_ACT_LAST_MATCH
1265	* to EOB_ACT_END_OF_FILE.
1266	*/
1267
1268	/* Reset buffer status. */
1269	yyrestart( yyin );
1270
1271	/* fall through */
1272
1273	case EOB_ACT_END_OF_FILE:
1274	{
1275	if ( yywrap() )
1276	return EOF;
1277
1278	if ( ! yy_did_buffer_switch_on_eof )
1279	YY_NEW_FILE;
1280	#ifdef __cplusplus
1281	return yyinput();
1282	#else
1283	return input();
1284	#endif
1285	}
1286
1287	case EOB_ACT_CONTINUE_SCAN:
1288	yy_c_buf_p = yytext_ptr + offset;
1289	break;
1290	}
1291	}
1292	}
1293
1294	c = (unsigned char ) yy_c_buf_p; /* cast for 8-bit char's */
1295	yy_c_buf_p = '\0'; / preserve yytext */
1296	yy_hold_char = *++yy_c_buf_p;
1297
1298
1299	return c;
1300	}
1301
1302
1303	#ifdef YY_USE_PROTOS
1304	void yyrestart( FILE *input_file )
1305	#else
1306	void yyrestart( input_file )
1307	FILE *input_file;
1308	#endif
1309	{
1310	if ( ! yy_current_buffer )
1311	yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1312
1313	yy_init_buffer( yy_current_buffer, input_file );
1314	yy_load_buffer_state();
1315	}
1316
1317
1318	#ifdef YY_USE_PROTOS
1319	void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1320	#else
1321	void yy_switch_to_buffer( new_buffer )
1322	YY_BUFFER_STATE new_buffer;
1323	#endif
1324	{
1325	if ( yy_current_buffer == new_buffer )
1326	return;
1327
1328	if ( yy_current_buffer )
1329	{
1330	/* Flush out information for old buffer. */
1331	*yy_c_buf_p = yy_hold_char;
1332	yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1333	yy_current_buffer->yy_n_chars = yy_n_chars;
1334	}
1335
1336	yy_current_buffer = new_buffer;
1337	yy_load_buffer_state();
1338
1339	/* We don't actually know whether we did this switch during
1340	* EOF (yywrap()) processing, but the only time this flag
1341	* is looked at is after yywrap() is called, so it's safe
1342	* to go ahead and always set it.
1343	*/
1344	yy_did_buffer_switch_on_eof = 1;
1345	}
1346
1347
1348	#ifdef YY_USE_PROTOS
1349	void yy_load_buffer_state( void )
1350	#else
1351	void yy_load_buffer_state()
1352	#endif
1353	{
1354	yy_n_chars = yy_current_buffer->yy_n_chars;
1355	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1356	yyin = yy_current_buffer->yy_input_file;
1357	yy_hold_char = *yy_c_buf_p;
1358	}
1359
1360
1361	#ifdef YY_USE_PROTOS
1362	YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1363	#else
1364	YY_BUFFER_STATE yy_create_buffer( file, size )
1365	FILE *file;
1366	int size;
1367	#endif
1368	{
1369	YY_BUFFER_STATE b;
1370
1371	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1372	if ( ! b )
1373	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1374
1375	b->yy_buf_size = size;
1376
1377	/* yy_ch_buf has to be 2 characters longer than the size given because
1378	* we need to put in 2 end-of-buffer characters.
1379	*/
1380	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1381	if ( ! b->yy_ch_buf )
1382	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1383
1384	b->yy_is_our_buffer = 1;
1385
1386	yy_init_buffer( b, file );
1387
1388	return b;
1389	}
1390
1391
1392	#ifdef YY_USE_PROTOS
1393	void yy_delete_buffer( YY_BUFFER_STATE b )
1394	#else
1395	void yy_delete_buffer( b )
1396	YY_BUFFER_STATE b;
1397	#endif
1398	{
1399	if ( ! b )
1400	return;
1401
1402	if ( b == yy_current_buffer )
1403	yy_current_buffer = (YY_BUFFER_STATE) 0;
1404
1405	if ( b->yy_is_our_buffer )
1406	yy_flex_free( (void *) b->yy_ch_buf );
1407
1408	yy_flex_free( (void *) b );
1409	}
1410
1411
1412	#ifndef YY_ALWAYS_INTERACTIVE
1413	#ifndef YY_NEVER_INTERACTIVE
1414	/* Avoid conflicts if isatty() has a different prototype in <unistd.h>. */
1415	#if !defined(__IBMCPP__)
1416	extern int isatty YY_PROTO(( int ));
1417	#endif
1418	#endif
1419	#endif
1420
1421	#ifdef YY_USE_PROTOS
1422	void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1423	#else
1424	void yy_init_buffer( b, file )
1425	YY_BUFFER_STATE b;
1426	FILE *file;
1427	#endif
1428
1429
1430	{
1431	yy_flush_buffer( b );
1432
1433	b->yy_input_file = file;
1434	b->yy_fill_buffer = 1;
1435
1436	#if YY_ALWAYS_INTERACTIVE
1437	b->yy_is_interactive = 1;
1438	#else
1439	#if YY_NEVER_INTERACTIVE
1440	b->yy_is_interactive = 0;
1441	#else
1442	b->yy_is_interactive = 0;
1443	#endif
1444	#endif
1445	}
1446
1447
1448	#ifdef YY_USE_PROTOS
1449	void yy_flush_buffer( YY_BUFFER_STATE b )
1450	#else
1451	void yy_flush_buffer( b )
1452	YY_BUFFER_STATE b;
1453	#endif
1454
1455	{
1456	if ( ! b )
1457	return;
1458
1459	b->yy_n_chars = 0;
1460
1461	/* We always need two end-of-buffer characters. The first causes
1462	* a transition to the end-of-buffer state. The second causes
1463	* a jam in that state.
1464	*/
1465	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1466	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1467
1468	b->yy_buf_pos = &b->yy_ch_buf[0];
1469
1470	b->yy_at_bol = 1;
1471	b->yy_buffer_status = YY_BUFFER_NEW;
1472
1473	if ( b == yy_current_buffer )
1474	yy_load_buffer_state();
1475	}
1476
1477
1478	#ifndef YY_NO_SCAN_BUFFER
1479	#ifdef YY_USE_PROTOS
1480	YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1481	#else
1482	YY_BUFFER_STATE yy_scan_buffer( base, size )
1483	char *base;
1484	yy_size_t size;
1485	#endif
1486	{
1487	YY_BUFFER_STATE b;
1488
1489	if ( size < 2 \|\|
1490	base[size-2] != YY_END_OF_BUFFER_CHAR \|\|
1491	base[size-1] != YY_END_OF_BUFFER_CHAR )
1492	/* They forgot to leave room for the EOB's. */
1493	return 0;
1494
1495	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1496	if ( ! b )
1497	YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1498
1499	b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1500	b->yy_buf_pos = b->yy_ch_buf = base;
1501	b->yy_is_our_buffer = 0;
1502	b->yy_input_file = 0;
1503	b->yy_n_chars = b->yy_buf_size;
1504	b->yy_is_interactive = 0;
1505	b->yy_at_bol = 1;
1506	b->yy_fill_buffer = 0;
1507	b->yy_buffer_status = YY_BUFFER_NEW;
1508
1509	yy_switch_to_buffer( b );
1510
1511	return b;
1512	}
1513	#endif
1514
1515
1516	#ifndef YY_NO_SCAN_STRING
1517	#ifdef YY_USE_PROTOS
1518	YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1519	#else
1520	YY_BUFFER_STATE yy_scan_string( yy_str )
1521	yyconst char *yy_str;
1522	#endif
1523	{
1524	int len;
1525	for ( len = 0; yy_str[len]; ++len )
1526	;
1527
1528	return yy_scan_bytes( yy_str, len );
1529	}
1530	#endif
1531
1532
1533	#ifndef YY_NO_SCAN_BYTES
1534	#ifdef YY_USE_PROTOS
1535	YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1536	#else
1537	YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1538	yyconst char *bytes;
1539	int len;
1540	#endif
1541	{
1542	YY_BUFFER_STATE b;
1543	char *buf;
1544	yy_size_t n;
1545	int i;
1546
1547	/* Get memory for full buffer, including space for trailing EOB's. */
1548	n = len + 2;
1549	buf = (char *) yy_flex_alloc( n );
1550	if ( ! buf )
1551	YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1552
1553	for ( i = 0; i < len; ++i )
1554	buf[i] = bytes[i];
1555
1556	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1557
1558	b = yy_scan_buffer( buf, n );
1559	if ( ! b )
1560	YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1561
1562	/* It's okay to grow etc. this buffer, and we should throw it
1563	* away when we're done.
1564	*/
1565	b->yy_is_our_buffer = 1;
1566
1567	return b;
1568	}
1569	#endif
1570
1571
1572	#ifndef YY_NO_PUSH_STATE
1573	#ifdef YY_USE_PROTOS
1574	static void yy_push_state( int new_state )
1575	#else
1576	static void yy_push_state( new_state )
1577	int new_state;
1578	#endif
1579	{
1580	if ( yy_start_stack_ptr >= yy_start_stack_depth )
1581	{
1582	yy_size_t new_size;
1583
1584	yy_start_stack_depth += YY_START_STACK_INCR;
1585	new_size = yy_start_stack_depth * sizeof( int );
1586
1587	if ( ! yy_start_stack )
1588	yy_start_stack = (int *) yy_flex_alloc( new_size );
1589
1590	else
1591	yy_start_stack = (int *) yy_flex_realloc(
1592	(void *) yy_start_stack, new_size );
1593
1594	if ( ! yy_start_stack )
1595	YY_FATAL_ERROR(
1596	"out of memory expanding start-condition stack" );
1597	}
1598
1599	yy_start_stack[yy_start_stack_ptr++] = YY_START;
1600
1601	BEGIN(new_state);
1602	}
1603	#endif
1604
1605
1606	#ifndef YY_NO_POP_STATE
1607	static void yy_pop_state()
1608	{
1609	if ( --yy_start_stack_ptr < 0 )
1610	YY_FATAL_ERROR( "start-condition stack underflow" );
1611
1612	BEGIN(yy_start_stack[yy_start_stack_ptr]);
1613	}
1614	#endif
1615
1616
1617	#ifndef YY_NO_TOP_STATE
1618	static int yy_top_state()
1619	{
1620	return yy_start_stack[yy_start_stack_ptr - 1];
1621	}
1622	#endif
1623
1624	#ifndef YY_EXIT_FAILURE
1625	#define YY_EXIT_FAILURE 2
1626	#endif
1627
1628	#ifdef YY_USE_PROTOS
1629	static void yy_fatal_error( yyconst char msg[] )
1630	#else
1631	static void yy_fatal_error( msg )
1632	char msg[];
1633	#endif
1634	{
1635	(void) fprintf( stderr, "%s\n", msg );
1636	exit( YY_EXIT_FAILURE );
1637	}
1638
1639
1640
1641	/* Redefine yyless() so it works in section 3 code. */
1642
1643	#undef yyless
1644	#define yyless(n) \
1645	do \
1646	{ \
1647	/* Undo effects of setting up yytext. */ \
1648	yytext[yyleng] = yy_hold_char; \
1649	yy_c_buf_p = yytext + n; \
1650	yy_hold_char = *yy_c_buf_p; \
1651	*yy_c_buf_p = '\0'; \
1652	yyleng = n; \
1653	} \
1654	while ( 0 )
1655
1656
1657	/* Internal utility routines. */
1658
1659	#ifndef yytext_ptr
1660	#ifdef YY_USE_PROTOS
1661	static void yy_flex_strncpy( char s1, yyconst char s2, int n )
1662	#else
1663	static void yy_flex_strncpy( s1, s2, n )
1664	char *s1;
1665	yyconst char *s2;
1666	int n;
1667	#endif
1668	{
1669	register int i;
1670	for ( i = 0; i < n; ++i )
1671	s1[i] = s2[i];
1672	}
1673	#endif
1674
1675	#ifdef YY_NEED_STRLEN
1676	#ifdef YY_USE_PROTOS
1677	static int yy_flex_strlen( yyconst char *s )
1678	#else
1679	static int yy_flex_strlen( s )
1680	yyconst char *s;
1681	#endif
1682	{
1683	register int n;
1684	for ( n = 0; s[n]; ++n )
1685	;
1686
1687	return n;
1688	}
1689	#endif
1690
1691
1692	#ifdef YY_USE_PROTOS
1693	static void *yy_flex_alloc( yy_size_t size )
1694	#else
1695	static void *yy_flex_alloc( size )
1696	yy_size_t size;
1697	#endif
1698	{
1699	return (void *) malloc( size );
1700	}
1701
1702	#ifdef YY_USE_PROTOS
1703	static void yy_flex_realloc( void ptr, yy_size_t size )
1704	#else
1705	static void *yy_flex_realloc( ptr, size )
1706	void *ptr;
1707	yy_size_t size;
1708	#endif
1709	{
1710	/* The cast to (char *) in the following accommodates both
1711	* implementations that use char* generic pointers, and those
1712	* that use void* generic pointers. It works with the latter
1713	* because both ANSI C and C++ allow castless assignment from
1714	* any pointer type to void*, and deal with argument conversions
1715	* as though doing an assignment.
1716	*/
1717	return (void ) realloc( (char ) ptr, size );
1718	}
1719
1720	#ifdef YY_USE_PROTOS
1721	static void yy_flex_free( void *ptr )
1722	#else
1723	static void yy_flex_free( ptr )
1724	void *ptr;
1725	#endif
1726	{
1727	free( ptr );
1728	}
1729
1730	#if YY_MAIN
1731	int main()
1732	{
1733	yylex();
1734	return 0;
1735	}
1736	#endif
1737
1738
1739
1740	void begin_literal() {
1741	literal = "";
1742	}
1743
1744	void add_string(const char* str) {
1745	literal += str;
1746	}
1747
1748	void end_literal() {
1749	}
1750
1751	void yyerror(char *str)
1752	{
1753	std::cout << str << std::endl;
1754	}

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