scan-code.c source code [bison/src/scan-code.c]

1	#line 1 "src/scan-code.c"
2
3	#line 3 "src/scan-code.c"
4
5	#define YY_INT_ALIGNED short int
6
7	/ A lexical scanner generated by flex /
8
9	/ %not-for-header /
10	/ %if-c-only /
11	/ %if-not-reentrant /
12	#define yy_create_buffer code__create_buffer
13	#define yy_delete_buffer code__delete_buffer
14	#define yy_scan_buffer code__scan_buffer
15	#define yy_scan_string code__scan_string
16	#define yy_scan_bytes code__scan_bytes
17	#define yy_init_buffer code__init_buffer
18	#define yy_flush_buffer code__flush_buffer
19	#define yy_load_buffer_state code__load_buffer_state
20	#define yy_switch_to_buffer code__switch_to_buffer
21	#define yypush_buffer_state code_push_buffer_state
22	#define yypop_buffer_state code_pop_buffer_state
23	#define yyensure_buffer_stack code_ensure_buffer_stack
24	#define yy_flex_debug code__flex_debug
25	#define yyin code_in
26	#define yyleng code_leng
27	#define yylex code_lex
28	#define yylineno code_lineno
29	#define yyout code_out
30	#define yyrestart code_restart
31	#define yytext code_text
32	#define yywrap code_wrap
33	#define yyalloc code_alloc
34	#define yyrealloc code_realloc
35	#define yyfree code_free
36
37	/ %endif /
38	/ %endif /
39	/ %ok-for-header /
40
41	#define FLEX_SCANNER
42	#define YY_FLEX_MAJOR_VERSION 2
43	#define YY_FLEX_MINOR_VERSION 6
44	#define YY_FLEX_SUBMINOR_VERSION 4
45	#if YY_FLEX_SUBMINOR_VERSION > 0
46	#define FLEX_BETA
47	#endif
48
49	/ %if-c++-only /
50	/ %endif /
51
52	/ %if-c-only /
53	#ifdef yy_create_buffer
54	#define code__create_buffer_ALREADY_DEFINED
55	#else
56	#define yy_create_buffer code__create_buffer
57	#endif
58
59	#ifdef yy_delete_buffer
60	#define code__delete_buffer_ALREADY_DEFINED
61	#else
62	#define yy_delete_buffer code__delete_buffer
63	#endif
64
65	#ifdef yy_scan_buffer
66	#define code__scan_buffer_ALREADY_DEFINED
67	#else
68	#define yy_scan_buffer code__scan_buffer
69	#endif
70
71	#ifdef yy_scan_string
72	#define code__scan_string_ALREADY_DEFINED
73	#else
74	#define yy_scan_string code__scan_string
75	#endif
76
77	#ifdef yy_scan_bytes
78	#define code__scan_bytes_ALREADY_DEFINED
79	#else
80	#define yy_scan_bytes code__scan_bytes
81	#endif
82
83	#ifdef yy_init_buffer
84	#define code__init_buffer_ALREADY_DEFINED
85	#else
86	#define yy_init_buffer code__init_buffer
87	#endif
88
89	#ifdef yy_flush_buffer
90	#define code__flush_buffer_ALREADY_DEFINED
91	#else
92	#define yy_flush_buffer code__flush_buffer
93	#endif
94
95	#ifdef yy_load_buffer_state
96	#define code__load_buffer_state_ALREADY_DEFINED
97	#else
98	#define yy_load_buffer_state code__load_buffer_state
99	#endif
100
101	#ifdef yy_switch_to_buffer
102	#define code__switch_to_buffer_ALREADY_DEFINED
103	#else
104	#define yy_switch_to_buffer code__switch_to_buffer
105	#endif
106
107	#ifdef yypush_buffer_state
108	#define code_push_buffer_state_ALREADY_DEFINED
109	#else
110	#define yypush_buffer_state code_push_buffer_state
111	#endif
112
113	#ifdef yypop_buffer_state
114	#define code_pop_buffer_state_ALREADY_DEFINED
115	#else
116	#define yypop_buffer_state code_pop_buffer_state
117	#endif
118
119	#ifdef yyensure_buffer_stack
120	#define code_ensure_buffer_stack_ALREADY_DEFINED
121	#else
122	#define yyensure_buffer_stack code_ensure_buffer_stack
123	#endif
124
125	#ifdef yylex
126	#define code_lex_ALREADY_DEFINED
127	#else
128	#define yylex code_lex
129	#endif
130
131	#ifdef yyrestart
132	#define code_restart_ALREADY_DEFINED
133	#else
134	#define yyrestart code_restart
135	#endif
136
137	#ifdef yylex_init
138	#define code_lex_init_ALREADY_DEFINED
139	#else
140	#define yylex_init code_lex_init
141	#endif
142
143	#ifdef yylex_init_extra
144	#define code_lex_init_extra_ALREADY_DEFINED
145	#else
146	#define yylex_init_extra code_lex_init_extra
147	#endif
148
149	#ifdef yylex_destroy
150	#define code_lex_destroy_ALREADY_DEFINED
151	#else
152	#define yylex_destroy code_lex_destroy
153	#endif
154
155	#ifdef yyget_debug
156	#define code_get_debug_ALREADY_DEFINED
157	#else
158	#define yyget_debug code_get_debug
159	#endif
160
161	#ifdef yyset_debug
162	#define code_set_debug_ALREADY_DEFINED
163	#else
164	#define yyset_debug code_set_debug
165	#endif
166
167	#ifdef yyget_extra
168	#define code_get_extra_ALREADY_DEFINED
169	#else
170	#define yyget_extra code_get_extra
171	#endif
172
173	#ifdef yyset_extra
174	#define code_set_extra_ALREADY_DEFINED
175	#else
176	#define yyset_extra code_set_extra
177	#endif
178
179	#ifdef yyget_in
180	#define code_get_in_ALREADY_DEFINED
181	#else
182	#define yyget_in code_get_in
183	#endif
184
185	#ifdef yyset_in
186	#define code_set_in_ALREADY_DEFINED
187	#else
188	#define yyset_in code_set_in
189	#endif
190
191	#ifdef yyget_out
192	#define code_get_out_ALREADY_DEFINED
193	#else
194	#define yyget_out code_get_out
195	#endif
196
197	#ifdef yyset_out
198	#define code_set_out_ALREADY_DEFINED
199	#else
200	#define yyset_out code_set_out
201	#endif
202
203	#ifdef yyget_leng
204	#define code_get_leng_ALREADY_DEFINED
205	#else
206	#define yyget_leng code_get_leng
207	#endif
208
209	#ifdef yyget_text
210	#define code_get_text_ALREADY_DEFINED
211	#else
212	#define yyget_text code_get_text
213	#endif
214
215	#ifdef yyget_lineno
216	#define code_get_lineno_ALREADY_DEFINED
217	#else
218	#define yyget_lineno code_get_lineno
219	#endif
220
221	#ifdef yyset_lineno
222	#define code_set_lineno_ALREADY_DEFINED
223	#else
224	#define yyset_lineno code_set_lineno
225	#endif
226
227	#ifdef yywrap
228	#define code_wrap_ALREADY_DEFINED
229	#else
230	#define yywrap code_wrap
231	#endif
232
233	/ %endif /
234
235	#ifdef yyalloc
236	#define code_alloc_ALREADY_DEFINED
237	#else
238	#define yyalloc code_alloc
239	#endif
240
241	#ifdef yyrealloc
242	#define code_realloc_ALREADY_DEFINED
243	#else
244	#define yyrealloc code_realloc
245	#endif
246
247	#ifdef yyfree
248	#define code_free_ALREADY_DEFINED
249	#else
250	#define yyfree code_free
251	#endif
252
253	/ %if-c-only /
254
255	#ifdef yytext
256	#define code_text_ALREADY_DEFINED
257	#else
258	#define yytext code_text
259	#endif
260
261	#ifdef yyleng
262	#define code_leng_ALREADY_DEFINED
263	#else
264	#define yyleng code_leng
265	#endif
266
267	#ifdef yyin
268	#define code_in_ALREADY_DEFINED
269	#else
270	#define yyin code_in
271	#endif
272
273	#ifdef yyout
274	#define code_out_ALREADY_DEFINED
275	#else
276	#define yyout code_out
277	#endif
278
279	#ifdef yy_flex_debug
280	#define code__flex_debug_ALREADY_DEFINED
281	#else
282	#define yy_flex_debug code__flex_debug
283	#endif
284
285	#ifdef yylineno
286	#define code_lineno_ALREADY_DEFINED
287	#else
288	#define yylineno code_lineno
289	#endif
290
291	/ %endif /
292
293	/ First, we deal with platform-specific or compiler-specific issues. /
294
295	/ begin standard C headers. /
296	/ %if-c-only /
297	#include <stdio.h>
298	#include <string.h>
299	#include <errno.h>
300	#include <stdlib.h>
301	/ %endif /
302
303	/ %if-tables-serialization /
304	/ %endif /
305	/ end standard C headers. /
306
307	/ %if-c-or-c++ /
308	/ flex integer type definitions /
309
310	#ifndef FLEXINT_H
311	#define FLEXINT_H
312
313	/ C99 systems have <inttypes.h>. Non-C99 systems may or may not. /
314
315	#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
316
317	/ C99 says to define __STDC_LIMIT_MACROS before including stdint.h,*
318	* if you want the limit (max/min) macros for int types.
319	*/
320	#ifndef __STDC_LIMIT_MACROS
321	#define __STDC_LIMIT_MACROS 1
322	#endif
323
324	#include <inttypes.h>
325	typedef int8_t flex_int8_t;
326	typedef uint8_t flex_uint8_t;
327	typedef int16_t flex_int16_t;
328	typedef uint16_t flex_uint16_t;
329	typedef int32_t flex_int32_t;
330	typedef uint32_t flex_uint32_t;
331	#else
332	typedef signed char flex_int8_t;
333	typedef short int flex_int16_t;
334	typedef int flex_int32_t;
335	typedef unsigned char flex_uint8_t;
336	typedef unsigned short int flex_uint16_t;
337	typedef unsigned int flex_uint32_t;
338
339	/ Limits of integral types. /
340	#ifndef INT8_MIN
341	#define INT8_MIN (-128)
342	#endif
343	#ifndef INT16_MIN
344	#define INT16_MIN (-32767-1)
345	#endif
346	#ifndef INT32_MIN
347	#define INT32_MIN (-2147483647-1)
348	#endif
349	#ifndef INT8_MAX
350	#define INT8_MAX (127)
351	#endif
352	#ifndef INT16_MAX
353	#define INT16_MAX (32767)
354	#endif
355	#ifndef INT32_MAX
356	#define INT32_MAX (2147483647)
357	#endif
358	#ifndef UINT8_MAX
359	#define UINT8_MAX (255U)
360	#endif
361	#ifndef UINT16_MAX
362	#define UINT16_MAX (65535U)
363	#endif
364	#ifndef UINT32_MAX
365	#define UINT32_MAX (4294967295U)
366	#endif
367
368	#ifndef SIZE_MAX
369	#define SIZE_MAX (~(size_t)0)
370	#endif
371
372	#endif /* ! C99 */
373
374	#endif /* ! FLEXINT_H */
375
376	/ %endif /
377
378	/ begin standard C++ headers. /
379	/ %if-c++-only /
380	/ %endif /
381
382	/ TODO: this is always defined, so inline it /
383	#define yyconst const
384
385	#if defined(__GNUC__) && __GNUC__ >= 3
386	#define yynoreturn __attribute__((__noreturn__))
387	#else
388	#define yynoreturn
389	#endif
390
391	/ %not-for-header /
392	/ Returned upon end-of-file. /
393	#define YY_NULL 0
394	/ %ok-for-header /
395
396	/ %not-for-header /
397	/ Promotes a possibly negative, possibly signed char to an*
398	* integer in range [0..255] for use as an array index.
399	*/
400	#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
401	/ %ok-for-header /
402
403	/ %if-reentrant /
404	/ %endif /
405
406	/ %if-not-reentrant /
407
408	/ %endif /
409
410	/ Enter a start condition. This macro really ought to take a parameter,*
411	* but we do it the disgusting crufty way forced on us by the ()-less
412	* definition of BEGIN.
413	*/
414	#define BEGIN (yy_start) = 1 + 2 *
415	/ Translate the current start state into a value that can be later handed*
416	* to BEGIN to return to the state. The YYSTATE alias is for lex
417	* compatibility.
418	*/
419	#define YY_START (((yy_start) - 1) / 2)
420	#define YYSTATE YY_START
421	/ Action number for EOF rule of a given start state. /
422	#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
423	/ Special action meaning "start processing a new file". /
424	#define YY_NEW_FILE yyrestart( yyin )
425	#define YY_END_OF_BUFFER_CHAR 0
426
427	/ Size of default input buffer. /
428	#ifndef YY_BUF_SIZE
429	#ifdef __ia64__
430	/ On IA-64, the buffer size is 16k, not 8k.*
431	* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
432	* Ditto for the __ia64__ case accordingly.
433	*/
434	#define YY_BUF_SIZE 32768
435	#else
436	#define YY_BUF_SIZE 16384
437	#endif /* __ia64__ */
438	#endif
439
440	/ The state buf must be large enough to hold one state per character in the main buffer.*
441	*/
442	#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
443
444	#ifndef YY_TYPEDEF_YY_BUFFER_STATE
445	#define YY_TYPEDEF_YY_BUFFER_STATE
446	typedef struct yy_buffer_state *YY_BUFFER_STATE;
447	#endif
448
449	#ifndef YY_TYPEDEF_YY_SIZE_T
450	#define YY_TYPEDEF_YY_SIZE_T
451	typedef size_t yy_size_t;
452	#endif
453
454	/ %if-not-reentrant /
455	extern int yyleng;
456	/ %endif /
457
458	/ %if-c-only /
459	/ %if-not-reentrant /
460	extern FILE yyin, yyout;
461	/ %endif /
462	/ %endif /
463
464	#define EOB_ACT_CONTINUE_SCAN 0
465	#define EOB_ACT_END_OF_FILE 1
466	#define EOB_ACT_LAST_MATCH 2
467
468	#define YY_LESS_LINENO(n)
469	#define YY_LINENO_REWIND_TO(ptr)
470
471	/ Return all but the first "n" matched characters back to the input stream. /
472	#define yyless(n) \
473	do \
474	{ \
475	/* Undo effects of setting up yytext. */ \
476	int yyless_macro_arg = (n); \
477	YY_LESS_LINENO(yyless_macro_arg);\
478	*yy_cp = (yy_hold_char); \
479	YY_RESTORE_YY_MORE_OFFSET \
480	(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
481	YY_DO_BEFORE_ACTION; /* set up yytext again */ \
482	} \
483	while ( 0 )
484	#define unput(c) yyunput( c, (yytext_ptr) )
485
486	#ifndef YY_STRUCT_YY_BUFFER_STATE
487	#define YY_STRUCT_YY_BUFFER_STATE
488	struct yy_buffer_state
489	{
490	/ %if-c-only /
491	FILE *yy_input_file;
492	/ %endif /
493
494	/ %if-c++-only /
495	/ %endif /
496
497	char yy_ch_buf; /* input buffer /
498	char yy_buf_pos; /* current position in input buffer /
499
500	/ Size of input buffer in bytes, not including room for EOB*
501	* characters.
502	*/
503	int yy_buf_size;
504
505	/ Number of characters read into yy_ch_buf, not including EOB*
506	* characters.
507	*/
508	int yy_n_chars;
509
510	/ Whether we "own" the buffer - i.e., we know we created it,*
511	* and can realloc() it to grow it, and should free() it to
512	* delete it.
513	*/
514	int yy_is_our_buffer;
515
516	/ Whether this is an "interactive" input source; if so, and*
517	* if we're using stdio for input, then we want to use getc()
518	* instead of fread(), to make sure we stop fetching input after
519	* each newline.
520	*/
521	int yy_is_interactive;
522
523	/ Whether we're considered to be at the beginning of a line.*
524	* If so, '^' rules will be active on the next match, otherwise
525	* not.
526	*/
527	int yy_at_bol;
528
529	int yy_bs_lineno; /< The line count. /*
530	int yy_bs_column; /< The column count. /*
531
532	/ Whether to try to fill the input buffer when we reach the*
533	* end of it.
534	*/
535	int yy_fill_buffer;
536
537	int yy_buffer_status;
538
539	#define YY_BUFFER_NEW 0
540	#define YY_BUFFER_NORMAL 1
541	/ When an EOF's been seen but there's still some text to process*
542	* then we mark the buffer as YY_EOF_PENDING, to indicate that we
543	* shouldn't try reading from the input source any more. We might
544	* still have a bunch of tokens to match, though, because of
545	* possible backing-up.
546	*
547	* When we actually see the EOF, we change the status to "new"
548	* (via yyrestart()), so that the user can continue scanning by
549	* just pointing yyin at a new input file.
550	*/
551	#define YY_BUFFER_EOF_PENDING 2
552
553	};
554	#endif /* !YY_STRUCT_YY_BUFFER_STATE */
555
556	/ %if-c-only Standard (non-C++) definition /
557	/ %not-for-header /
558	/ %if-not-reentrant /
559
560	/ Stack of input buffers. /
561	static size_t yy_buffer_stack_top = `0`; /< index of top of stack. /*
562	static size_t yy_buffer_stack_max = `0`; /< capacity of stack. /*
563	static YY_BUFFER_STATE * yy_buffer_stack = NULL; /< Stack as an array. /*
564	/ %endif /
565	/ %ok-for-header /
566
567	/ %endif /
568
569	/ We provide macros for accessing buffer states in case in the*
570	* future we want to put the buffer states in a more general
571	* "scanner state".
572	*
573	* Returns the top of the stack, or NULL.
574	*/
575	#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
576	? (yy_buffer_stack)[(yy_buffer_stack_top)] \
577	: NULL)
578	/ Same as previous macro, but useful when we know that the buffer stack is not*
579	* NULL or when we need an lvalue. For internal use only.
580	*/
581	#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
582
583	/ %if-c-only Standard (non-C++) definition /
584
585	/ %if-not-reentrant /
586	/ %not-for-header /
587	/ yy_hold_char holds the character lost when yytext is formed. /
588	static char yy_hold_char;
589	static int yy_n_chars; / number of characters read into yy_ch_buf /
590	int yyleng;
591
592	/ Points to current character in buffer. /
593	static char *yy_c_buf_p = NULL;
594	static int yy_init = `0`; / whether we need to initialize /
595	static int yy_start = `0`; / start state number /
596
597	/ Flag which is used to allow yywrap()'s to do buffer switches*
598	* instead of setting up a fresh yyin. A bit of a hack ...
599	*/
600	static int yy_did_buffer_switch_on_eof;
601	/ %ok-for-header /
602
603	/ %endif /
604
605	void yyrestart ( FILE *input_file );
606	void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer );
607	YY_BUFFER_STATE yy_create_buffer ( FILE file, int* size );
608	void yy_delete_buffer ( YY_BUFFER_STATE b );
609	void yy_flush_buffer ( YY_BUFFER_STATE b );
610	void yypush_buffer_state ( YY_BUFFER_STATE new_buffer );
611	void yypop_buffer_state ( void );
612
613	static void yyensure_buffer_stack ( void );
614	static void yy_load_buffer_state ( void );
615	static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file );
616	#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )
617
618	YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size );
619	YY_BUFFER_STATE yy_scan_string ( const char *yy_str );
620	YY_BUFFER_STATE yy_scan_bytes ( const char bytes, int* len );
621
622	/ %endif /
623
624	void *yyalloc ( yy_size_t );
625	void yyrealloc ( void* *, yy_size_t );
626	void yyfree ( void * );
627
628	#define yy_new_buffer yy_create_buffer
629	#define yy_set_interactive(is_interactive) \
630	{ \
631	if ( ! YY_CURRENT_BUFFER ){ \
632	yyensure_buffer_stack (); \
633	YY_CURRENT_BUFFER_LVALUE = \
634	yy_create_buffer( yyin, YY_BUF_SIZE ); \
635	} \
636	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
637	}
638	#define yy_set_bol(at_bol) \
639	{ \
640	if ( ! YY_CURRENT_BUFFER ){\
641	yyensure_buffer_stack (); \
642	YY_CURRENT_BUFFER_LVALUE = \
643	yy_create_buffer( yyin, YY_BUF_SIZE ); \
644	} \
645	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
646	}
647	#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
648
649	/ %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here /
650	/ Begin user sect3 /
651
652	#define code_wrap() (/CONSTCOND/1)
653	#define YY_SKIP_YYWRAP
654
655	#define FLEX_DEBUG
656	typedef flex_uint8_t YY_CHAR;
657
658	FILE yyin = NULL, yyout = NULL;
659
660	typedef int yy_state_type;
661
662	extern int yylineno;
663	int yylineno = `1`;
664
665	extern char *yytext;
666	#ifdef yytext_ptr
667	#undef yytext_ptr
668	#endif
669	#define yytext_ptr yytext
670
671	/ %% [1.5] DFA /
672
673	/ %if-c-only Standard (non-C++) definition /
674
675	static yy_state_type yy_get_previous_state ( void );
676	static yy_state_type yy_try_NUL_trans ( yy_state_type current_state );
677	static int yy_get_next_buffer ( void );
678	static void yynoreturn yy_fatal_error ( const char* msg );
679
680	/ %endif /
681
682	/ Done after the current pattern has been matched and before the*
683	* corresponding action - sets up yytext.
684	*/
685	#define YY_DO_BEFORE_ACTION \
686	(yytext_ptr) = yy_bp; \
687	/* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
688	yyleng = (int) (yy_cp - yy_bp); \
689	(yy_hold_char) = *yy_cp; \
690	*yy_cp = '\0'; \
691	/* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
692	(yy_c_buf_p) = yy_cp;
693	/ %% [4.0] data tables for the DFA and the user's section 1 definitions go here /
694	#define YY_NUM_RULES 18
695	#define YY_END_OF_BUFFER 19
696	/ This struct is not used in this scanner,*
697	but its presence is necessary. /*
698	struct yy_trans_info
699	{
700	flex_int32_t yy_verify;
701	flex_int32_t yy_nxt;
702	};
703	static const flex_int16_t yy_accept[`91`] =
704	{ `0`,
705	`0`, `0`, `0`, `0`, `3`, `3`, `4`, `4`, `4`, `4`,
706	`0`, `0`, `0`, `0`, `19`, `17`, `16`, `17`, `2`, `17`,
707	`6`, `17`, `5`, `8`, `11`, `7`, `17`, `11`, `11`, `11`,
708	`1`, `0`, `0`, `3`, `4`, `4`, `4`, `4`, `12`, `0`,
709	`12`, `12`, `0`, `0`, `9`, `10`, `0`, `13`, `0`, `13`,
710	`13`, `0`, `14`, `0`, `15`, `0`, `0`, `0`, `0`, `0`,
711	`0`, `0`, `12`, `0`, `0`, `0`, `0`, `0`, `13`, `0`,
712	`0`, `0`, `0`, `0`, `0`, `0`, `0`, `0`, `12`, `0`,
713	`12`, `12`, `0`, `14`, `12`, `12`, `0`, `0`, `0`, `0`
714	} ;
715
716	static const YY_CHAR yy_ec[`256`] =
717	{ `0`,
718	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `2`, `3`,
719	`2`, `2`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
720	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
721	`1`, `2`, `1`, `4`, `1`, `5`, `1`, `1`, `6`, `1`,
722	`1`, `7`, `1`, `1`, `8`, `9`, `10`, `11`, `11`, `11`,
723	`11`, `11`, `11`, `11`, `11`, `11`, `11`, `1`, `1`, `12`,
724	`1`, `13`, `1`, `14`, `9`, `9`, `9`, `9`, `9`, `9`,
725	`9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`,
726	`9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`,
727	`15`, `16`, `17`, `1`, `9`, `1`, `9`, `9`, `9`, `9`,
728
729	`9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`,
730	`9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`, `9`,
731	`9`, `9`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
732	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
733	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
734	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
735	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
736	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
737	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
738	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
739
740	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
741	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
742	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
743	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
744	`1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`, `1`,
745	`1`, `1`, `1`, `1`, `1`
746	} ;
747
748	static const YY_CHAR yy_meta[`19`] =
749	{ `0`,
750	`1`, `1`, `2`, `1`, `1`, `1`, `1`, `3`, `3`, `1`,
751	`3`, `1`, `2`, `1`, `1`, `1`, `1`, `2`
752	} ;
753
754	static const flex_int16_t yy_base[`97`] =
755	{ `0`,
756	`0`, `13`, `121`, `120`, `0`, `3`, `4`, `5`, `6`, `7`,
757	`27`, `0`, `20`, `21`, `125`, `178`, `178`, `26`, `178`, `8`,
758	`178`, `41`, `178`, `178`, `53`, `178`, `62`, `74`, `33`, `119`,
759	`178`, `37`, `44`, `105`, `178`, `46`, `101`, `48`, `178`, `99`,
760	`0`, `96`, `98`, `91`, `178`, `178`, `50`, `178`, `87`, `0`,
761	`86`, `87`, `178`, `76`, `178`, `52`, `50`, `68`, `71`, `73`,
762	`78`, `74`, `0`, `16`, `78`, `84`, `85`, `0`, `0`, `94`,
763	`86`, `96`, `55`, `107`, `0`, `0`, `58`, `118`, `100`, `124`,
764	`130`, `136`, `142`, `106`, `46`, `0`, `148`, `43`, `0`, `178`,
765	`165`, `168`, `4`, `171`, `1`, `174`
766
767	} ;
768
769	static const flex_int16_t yy_def[`97`] =
770	{ `0`,
771	`91`, `91`, `2`, `2`, `2`, `2`, `2`, `2`, `2`, `2`,
772	`2`, `11`, `11`, `11`, `90`, `90`, `90`, `90`, `90`, `90`,
773	`90`, `92`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`,
774	`90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`,
775	`93`, `90`, `94`, `90`, `90`, `90`, `90`, `90`, `90`, `95`,
776	`90`, `90`, `90`, `96`, `90`, `90`, `90`, `90`, `90`, `90`,
777	`90`, `92`, `93`, `94`, `94`, `90`, `90`, `27`, `95`, `90`,
778	`96`, `96`, `25`, `94`, `66`, `70`, `90`, `96`, `94`, `94`,
779	`94`, `94`, `94`, `96`, `81`, `81`, `81`, `87`, `87`, `0`,
780	`90`, `90`, `90`, `90`, `90`, `90`
781
782	} ;
783
784	static const flex_int16_t yy_nxt[`197`] =
785	{ `0`,
786	`90`, `90`, `19`, `69`, `17`, `19`, `63`, `21`, `21`, `33`,
787	`34`, `23`, `23`, `17`, `17`, `20`, `17`, `17`, `20`, `22`,
788	`22`, `22`, `22`, `65`, `29`, `29`, `17`, `17`, `73`, `17`,
789	`24`, `25`, `26`, `30`, `30`, `31`, `27`, `53`, `56`, `57`,
790	`28`, `32`, `36`, `37`, `54`, `33`, `34`, `59`, `37`, `61`,
791	`62`, `67`, `68`, `56`, `57`, `74`, `38`, `39`, `74`, `31`,
792	`40`, `41`, `53`, `42`, `43`, `32`, `90`, `44`, `45`, `33`,
793	`34`, `46`, `59`, `37`, `59`, `37`, `90`, `47`, `48`, `61`,
794	`62`, `49`, `50`, `72`, `51`, `65`, `67`, `68`, `52`, `38`,
795	`74`, `75`, `75`, `72`, `75`, `70`, `51`, `51`, `77`, `66`,
796
797	`39`, `76`, `76`, `72`, `76`, `65`, `42`, `65`, `78`, `42`,
798	`48`, `79`, `73`, `72`, `80`, `81`, `60`, `82`, `77`, `73`,
799	`58`, `83`, `84`, `55`, `90`, `72`, `18`, `18`, `90`, `90`,
800	`77`, `65`, `90`, `90`, `82`, `90`, `74`, `85`, `86`, `90`,
801	`86`, `90`, `73`, `65`, `90`, `90`, `82`, `90`, `73`, `65`,
802	`87`, `90`, `90`, `90`, `73`, `88`, `89`, `90`, `89`, `90`,
803	`90`, `90`, `90`, `90`, `79`, `16`, `16`, `16`, `35`, `35`,
804	`35`, `64`, `90`, `64`, `71`, `90`, `71`, `15`, `90`, `90`,
805	`90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`,
806	`90`, `90`, `90`, `90`, `90`, `90`
807
808	} ;
809
810	static const flex_int16_t yy_chk[`197`] =
811	{ `0`,
812	`0`, `0`, `5`, `95`, `1`, `6`, `93`, `7`, `8`, `20`,
813	`20`, `9`, `10`, `1`, `1`, `5`, `1`, `2`, `6`, `7`,
814	`8`, `9`, `10`, `64`, `13`, `14`, `2`, `2`, `64`, `2`,
815	`11`, `11`, `11`, `13`, `14`, `18`, `11`, `29`, `32`, `32`,
816	`11`, `18`, `22`, `22`, `29`, `33`, `33`, `36`, `36`, `38`,
817	`38`, `47`, `47`, `56`, `56`, `88`, `22`, `25`, `85`, `57`,
818	`25`, `25`, `77`, `25`, `25`, `57`, `73`, `25`, `27`, `58`,
819	`58`, `27`, `59`, `59`, `60`, `60`, `62`, `27`, `28`, `61`,
820	`61`, `28`, `28`, `54`, `28`, `65`, `67`, `67`, `28`, `62`,
821	`65`, `66`, `66`, `71`, `66`, `52`, `51`, `49`, `71`, `44`,
822
823	`66`, `70`, `70`, `72`, `70`, `43`, `42`, `79`, `72`, `40`,
824	`70`, `74`, `79`, `84`, `74`, `74`, `37`, `74`, `84`, `74`,
825	`34`, `74`, `78`, `30`, `15`, `78`, `4`, `3`, `0`, `0`,
826	`78`, `80`, `0`, `0`, `80`, `0`, `80`, `81`, `81`, `0`,
827	`81`, `0`, `81`, `82`, `0`, `0`, `82`, `0`, `82`, `83`,
828	`83`, `0`, `0`, `0`, `83`, `87`, `87`, `0`, `87`, `0`,
829	`0`, `0`, `0`, `0`, `87`, `91`, `91`, `91`, `92`, `92`,
830	`92`, `94`, `0`, `94`, `96`, `0`, `96`, `90`, `90`, `90`,
831	`90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`, `90`,
832	`90`, `90`, `90`, `90`, `90`, `90`
833
834	} ;
835
836	static yy_state_type yy_last_accepting_state;
837	static char *yy_last_accepting_cpos;
838
839	extern int yy_flex_debug;
840	int yy_flex_debug = `1`;
841
842	static const flex_int16_t yy_rule_linenum[`18`] =
843	{ `0`,
844	`115`, `125`, `126`, `136`, `141`, `146`, `152`, `153`, `154`, `155`,
845	`157`, `165`, `171`, `181`, `189`, `199`, `202`
846	} ;
847
848	/ The intent behind this definition is that it'll catch*
849	* any uses of REJECT which flex missed.
850	*/
851	#define REJECT reject_used_but_not_detected
852	#define yymore() yymore_used_but_not_detected
853	#define YY_MORE_ADJ 0
854	#define YY_RESTORE_YY_MORE_OFFSET
855	char *yytext;
856	#line 1 "/Users/akim/src/gnu/bison/src/scan-code.l"
857	/ Bison Action Scanner -- C --*
858
859	Copyright (C) 2006-2015, 2018-2019 Free Software Foundation, Inc.
860
861	This file is part of Bison, the GNU Compiler Compiler.
862
863	This program is free software: you can redistribute it and/or modify
864	it under the terms of the GNU General Public License as published by
865	the Free Software Foundation, either version 3 of the License, or
866	(at your option) any later version.
867
868	This program is distributed in the hope that it will be useful,
869	but WITHOUT ANY WARRANTY; without even the implied warranty of
870	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
871	GNU General Public License for more details.
872
873	You should have received a copy of the GNU General Public License
874	along with this program. If not, see <http://www.gnu.org/licenses/>. /*
875	#define YY_NO_INPUT 1
876	#line 24 "/Users/akim/src/gnu/bison/src/scan-code.l"
877	#include <c-ctype.h>
878	#include <get-errno.h>
879	#include <quote.h>
880
881	#include <src/complain.h>
882	#include <src/getargs.h>
883	#include <src/muscle-tab.h>
884	#include <src/reader.h>
885	#include <src/scan-code.h>
886	#include <src/symlist.h>
887
888	#define FLEX_PREFIX(Id) code_ ## Id
889	#include <src/flex-scanner.h>
890
891	/ Work around a bug in flex 2.5.31. See Debian bug 333231*
892	<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=333231>. /*
893	#undef code_wrap
894	#define code_wrap() 1
895
896	/ The current calling start condition: SC_RULE_ACTION or*
897	SC_SYMBOL_ACTION. /*
898	# define YY_DECL static char code_lex (code_props self, int sc_context)
899	YY_DECL;
900
901	#define YY_USER_ACTION location_compute (loc, &loc->end, yytext, yyleng);
902
903	static char fetch_type_name (char* cp, char* const **type_name,
904	location dollar_loc);
905
906	static void handle_action_dollar (symbol_list rule, char* *cp,
907	location dollar_loc);
908	static void handle_action_at (symbol_list rule, char* *cp, location at_loc);
909
910	/ A string to be pushed to obstack after dollar/at has been handled. /
911	static char *ref_tail_fields;
912
913	static location current_loc;
914	static location *loc = &current_loc;
915
916	/ A string representing the most recent translation. /
917	static char *last_string;
918
919	/ True if an untyped $$ or $n was seen. /
920	static bool untyped_var_seen;
921
922	#line 922 "src/scan-code.c"
923	#line 71 "/Users/akim/src/gnu/bison/src/scan-code.l"
924	/ C and C++ comments in code. /
925
926	/ Strings and characters in code. /
927
928	/ Whether in a rule or symbol action. Specifies the translation*
929	of $ and @. /*
930
931	/ POSIX says that a tag must be both an id and a C union member, but*
932	historically almost any character is allowed in a tag. We disallow
933	NUL and newline, as this simplifies our implementation. We allow
934	"->" as a means to dereference a pointer. /*
935	/ Zero or more instances of backslash-newline. Following GCC, allow*
936	white space between the backslash and the newline. /*
937	/ C style identifier. Must start with letter. Will be used for*
938	named symbol references. Shall be kept synchronized with
939	scan-gram.l "letter" and "id". /*
940	#line 940 "src/scan-code.c"
941
942	#define INITIAL 0
943	#define SC_COMMENT 1
944	#define SC_LINE_COMMENT 2
945	#define SC_STRING 3
946	#define SC_CHARACTER 4
947	#define SC_RULE_ACTION 5
948	#define SC_SYMBOL_ACTION 6
949
950	#ifndef YY_NO_UNISTD_H
951	/ Special case for "unistd.h", since it is non-ANSI. We include it way*
952	* down here because we want the user's section 1 to have been scanned first.
953	* The user has a chance to override it with an option.
954	*/
955	/ %if-c-only /
956	#include <unistd.h>
957	/ %endif /
958	/ %if-c++-only /
959	/ %endif /
960	#endif
961
962	#ifndef YY_EXTRA_TYPE
963	#define YY_EXTRA_TYPE void *
964	#endif
965
966	/ %if-c-only Reentrant structure and macros (non-C++). /
967	/ %if-reentrant /
968	/ %if-c-only /
969
970	static int yy_init_globals ( void );
971
972	/ %endif /
973	/ %if-reentrant /
974	/ %endif /
975	/ %endif End reentrant structures and macros. /
976
977	/ Accessor methods to globals.*
978	These are made visible to non-reentrant scanners for convenience. /*
979
980	int yylex_destroy ( void );
981
982	int yyget_debug ( void );
983
984	void yyset_debug ( int debug_flag );
985
986	YY_EXTRA_TYPE yyget_extra ( void );
987
988	void yyset_extra ( YY_EXTRA_TYPE user_defined );
989
990	FILE yyget_in ( void* );
991
992	void yyset_in ( FILE * _in_str );
993
994	FILE yyget_out ( void* );
995
996	void yyset_out ( FILE * _out_str );
997
998	int yyget_leng ( void );
999
1000	char yyget_text ( void* );
1001
1002	int yyget_lineno ( void );
1003
1004	void yyset_lineno ( int _line_number );
1005
1006	/ %if-bison-bridge /
1007	/ %endif /
1008
1009	/ Macros after this point can all be overridden by user definitions in*
1010	* section 1.
1011	*/
1012
1013	#ifndef YY_SKIP_YYWRAP
1014	#ifdef __cplusplus
1015	extern "C" int yywrap ( void );
1016	#else
1017	extern int yywrap ( void );
1018	#endif
1019	#endif
1020
1021	/ %not-for-header /
1022	#ifndef YY_NO_UNPUT
1023
1024	#endif
1025	/ %ok-for-header /
1026
1027	/ %endif /
1028
1029	#ifndef yytext_ptr
1030	static void yy_flex_strncpy ( char , const* char , int* );
1031	#endif
1032
1033	#ifdef YY_NEED_STRLEN
1034	static int yy_flex_strlen ( const char * );
1035	#endif
1036
1037	#ifndef YY_NO_INPUT
1038	/ %if-c-only Standard (non-C++) definition /
1039	/ %not-for-header /
1040	#ifdef __cplusplus
1041	static int yyinput ( void );
1042	#else
1043	static int input ( void );
1044	#endif
1045	/ %ok-for-header /
1046
1047	/ %endif /
1048	#endif
1049
1050	/ %if-c-only /
1051
1052	/ %endif /
1053
1054	/ Amount of stuff to slurp up with each read. /
1055	#ifndef YY_READ_BUF_SIZE
1056	#ifdef __ia64__
1057	/ On IA-64, the buffer size is 16k, not 8k /
1058	#define YY_READ_BUF_SIZE 16384
1059	#else
1060	#define YY_READ_BUF_SIZE 8192
1061	#endif /* __ia64__ */
1062	#endif
1063
1064	/ Copy whatever the last rule matched to the standard output. /
1065	#ifndef ECHO
1066	/ %if-c-only Standard (non-C++) definition /
1067	/ This used to be an fputs(), but since the string might contain NUL's,*
1068	* we now use fwrite().
1069	*/
1070	#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
1071	/ %endif /
1072	/ %if-c++-only C++ definition /
1073	/ %endif /
1074	#endif
1075
1076	/ Gets input and stuffs it into "buf". number of characters read, or YY_NULL,*
1077	* is returned in "result".
1078	*/
1079	#ifndef YY_INPUT
1080	#define YY_INPUT(buf,result,max_size) \
1081	/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\
1082	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
1083	{ \
1084	int c = '*'; \
1085	int n; \
1086	for ( n = 0; n < max_size && \
1087	(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
1088	buf[n] = (char) c; \
1089	if ( c == '\n' ) \
1090	buf[n++] = (char) c; \
1091	if ( c == EOF && ferror( yyin ) ) \
1092	YY_FATAL_ERROR( "input in flex scanner failed" ); \
1093	result = n; \
1094	} \
1095	else \
1096	{ \
1097	errno=0; \
1098	while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
1099	{ \
1100	if( errno != EINTR) \
1101	{ \
1102	YY_FATAL_ERROR( "input in flex scanner failed" ); \
1103	break; \
1104	} \
1105	errno=0; \
1106	clearerr(yyin); \
1107	} \
1108	}\
1109	\
1110	/* %if-c++-only C++ definition \ */\
1111	/* %endif */
1112
1113	#endif
1114
1115	/ No semi-colon after return; correct usage is to write "yyterminate();" -*
1116	* we don't want an extra ';' after the "return" because that will cause
1117	* some compilers to complain about unreachable statements.
1118	*/
1119	#ifndef yyterminate
1120	#define yyterminate() return YY_NULL
1121	#endif
1122
1123	/ Number of entries by which start-condition stack grows. /
1124	#ifndef YY_START_STACK_INCR
1125	#define YY_START_STACK_INCR 25
1126	#endif
1127
1128	/ Report a fatal error. /
1129	#ifndef YY_FATAL_ERROR
1130	/ %if-c-only /
1131	#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
1132	/ %endif /
1133	/ %if-c++-only /
1134	/ %endif /
1135	#endif
1136
1137	/ %if-tables-serialization structures and prototypes /
1138	/ %not-for-header /
1139	/ %ok-for-header /
1140
1141	/ %not-for-header /
1142	/ %tables-yydmap generated elements /
1143	/ %endif /
1144	/ end tables serialization structures and prototypes /
1145
1146	/ %ok-for-header /
1147
1148	/ Default declaration of generated scanner - a define so the user can*
1149	* easily add parameters.
1150	*/
1151	#ifndef YY_DECL
1152	#define YY_DECL_IS_OURS 1
1153	/ %if-c-only Standard (non-C++) definition /
1154
1155	extern int yylex (void);
1156
1157	#define YY_DECL int yylex (void)
1158	/ %endif /
1159	/ %if-c++-only C++ definition /
1160	/ %endif /
1161	#endif /* !YY_DECL */
1162
1163	/ Code executed at the beginning of each rule, after yytext and yyleng*
1164	* have been set up.
1165	*/
1166	#ifndef YY_USER_ACTION
1167	#define YY_USER_ACTION
1168	#endif
1169
1170	/ Code executed at the end of each rule. /
1171	#ifndef YY_BREAK
1172	#define YY_BREAK /LINTED/break;
1173	#endif
1174
1175	/ %% [6.0] YY_RULE_SETUP definition goes here /
1176	#define YY_RULE_SETUP \
1177	YY_USER_ACTION
1178
1179	/ %not-for-header /
1180	/* The main scanner function which does all the work.*
1181	*/
1182	YY_DECL
1183	{
1184	yy_state_type yy_current_state;
1185	char yy_cp, yy_bp;
1186	int yy_act;
1187
1188	if ( !(yy_init) )
1189	{
1190	(yy_init) = `1`;
1191
1192	#ifdef YY_USER_INIT
1193	YY_USER_INIT;
1194	#endif
1195
1196	if ( ! (yy_start) )
1197	(yy_start) = `1`; / first start state /
1198
1199	if ( ! yyin )
1200	/ %if-c-only /
1201	yyin = stdin;
1202	/ %endif /
1203	/ %if-c++-only /
1204	/ %endif /
1205
1206	if ( ! yyout )
1207	/ %if-c-only /
1208	yyout = stdout;
1209	/ %endif /
1210	/ %if-c++-only /
1211	/ %endif /
1212
1213	if ( ! YY_CURRENT_BUFFER ) {
1214	yyensure_buffer_stack ();
1215	YY_CURRENT_BUFFER_LVALUE =
1216	yy_create_buffer( yyin, YY_BUF_SIZE );
1217	}
1218
1219	yy_load_buffer_state( );
1220	}
1221
1222	{
1223	/ %% [7.0] user's declarations go here /
1224	#line 97 "/Users/akim/src/gnu/bison/src/scan-code.l"
1225
1226
1227
1228	/ This scanner is special: it is invoked only once, henceforth*
1229	is expected to return only once. This initialization is
1230	therefore done once per action to translate. /*
1231	aver (sc_context == SC_SYMBOL_ACTION
1232	\|\| sc_context == SC_RULE_ACTION
1233	\|\| sc_context == INITIAL);
1234	BEGIN sc_context;
1235
1236
1237	/------------------------------------------------------------.*
1238	\| Scanning a C comment. The initial '/ ' is already eaten. \|*
1239	`------------------------------------------------------------/*
1240
1241	#line 1241 "src/scan-code.c"
1242
1243	while ( /CONSTCOND/`1` ) / loops until end-of-file is reached /
1244	{
1245	/ %% [8.0] yymore()-related code goes here /
1246	yy_cp = (yy_c_buf_p);
1247
1248	/ Support of yytext. /
1249	*yy_cp = (yy_hold_char);
1250
1251	/ yy_bp points to the position in yy_ch_buf of the start of*
1252	* the current run.
1253	*/
1254	yy_bp = yy_cp;
1255
1256	/ %% [9.0] code to set up and find next match goes here /
1257	yy_current_state = (yy_start);
1258	yy_match:
1259	do
1260	{
1261	YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
1262	if ( yy_accept[yy_current_state] )
1263	{
1264	(yy_last_accepting_state) = yy_current_state;
1265	(yy_last_accepting_cpos) = yy_cp;
1266	}
1267	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1268	{
1269	yy_current_state = (int) yy_def[yy_current_state];
1270	if ( yy_current_state >= `91` )
1271	yy_c = yy_meta[yy_c];
1272	}
1273	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
1274	++yy_cp;
1275	}
1276	while ( yy_current_state != `90` );
1277	yy_cp = (yy_last_accepting_cpos);
1278	yy_current_state = (yy_last_accepting_state);
1279
1280	yy_find_action:
1281	/ %% [10.0] code to find the action number goes here /
1282	yy_act = yy_accept[yy_current_state];
1283
1284	YY_DO_BEFORE_ACTION;
1285
1286	/ %% [11.0] code for yylineno update goes here /
1287
1288	do_action: / This label is used only to access EOF actions. /
1289
1290	/ %% [12.0] debug code goes here /
1291	if ( yy_flex_debug )
1292	{
1293	if ( yy_act == `0` )
1294	fprintf( stderr, "--scanner backing up\n" );
1295	else if ( yy_act < `18` )
1296	fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n",
1297	(long)yy_rule_linenum[yy_act], yytext );
1298	else if ( yy_act == `18` )
1299	fprintf( stderr, "--accepting default rule (\"%s\")\n",
1300	yytext );
1301	else if ( yy_act == `19` )
1302	fprintf( stderr, "--(end of buffer or a NUL)\n" );
1303	else
1304	fprintf( stderr, "--EOF (start condition %d)\n", YY_START );
1305	}
1306
1307	switch ( yy_act )
1308	{ / beginning of action switch /
1309	/ %% [13.0] actions go here /
1310	case `0`: / must back up /
1311	/ undo the effects of YY_DO_BEFORE_ACTION /
1312	*yy_cp = (yy_hold_char);
1313	yy_cp = (yy_last_accepting_cpos);
1314	yy_current_state = (yy_last_accepting_state);
1315	goto yy_find_action;
1316
1317	case `1`:
1318	/ rule 1 can match eol /
1319	YY_RULE_SETUP
1320	#line 115 "/Users/akim/src/gnu/bison/src/scan-code.l"
1321	STRING_GROW; BEGIN sc_context;
1322	YY_BREAK
1323
1324	/--------------------------------------------------------------.*
1325	\| Scanning a line comment. The initial '//' is already eaten. \|
1326	`--------------------------------------------------------------/*
1327
1328
1329	case `2`:
1330	/ rule 2 can match eol /
1331	YY_RULE_SETUP
1332	#line 125 "/Users/akim/src/gnu/bison/src/scan-code.l"
1333	STRING_GROW; BEGIN sc_context;
1334	YY_BREAK
1335	case `3`:
1336	/ rule 3 can match eol /
1337	YY_RULE_SETUP
1338	#line 126 "/Users/akim/src/gnu/bison/src/scan-code.l"
1339	STRING_GROW;
1340	YY_BREAK
1341
1342	/--------------------------------------------.*
1343	\| Scanning user-code characters and strings. \|
1344	`--------------------------------------------/*
1345
1346
1347	case `4`:
1348	/ rule 4 can match eol /
1349	YY_RULE_SETUP
1350	#line 136 "/Users/akim/src/gnu/bison/src/scan-code.l"
1351	STRING_GROW;
1352	YY_BREAK
1353
1354
1355
1356	case `5`:
1357	YY_RULE_SETUP
1358	#line 141 "/Users/akim/src/gnu/bison/src/scan-code.l"
1359	STRING_GROW; BEGIN sc_context;
1360	YY_BREAK
1361
1362
1363
1364	case `6`:
1365	YY_RULE_SETUP
1366	#line 146 "/Users/akim/src/gnu/bison/src/scan-code.l"
1367	STRING_GROW; BEGIN sc_context;
1368	YY_BREAK
1369
1370
1371
1372	case `7`:
1373	YY_RULE_SETUP
1374	#line 152 "/Users/akim/src/gnu/bison/src/scan-code.l"
1375	STRING_GROW; BEGIN SC_CHARACTER;
1376	YY_BREAK
1377	case `8`:
1378	YY_RULE_SETUP
1379	#line 153 "/Users/akim/src/gnu/bison/src/scan-code.l"
1380	STRING_GROW; BEGIN SC_STRING;
1381	YY_BREAK
1382	case `9`:
1383	/ rule 9 can match eol /
1384	YY_RULE_SETUP
1385	#line 154 "/Users/akim/src/gnu/bison/src/scan-code.l"
1386	STRING_GROW; BEGIN SC_COMMENT;
1387	YY_BREAK
1388	case `10`:
1389	/ rule 10 can match eol /
1390	YY_RULE_SETUP
1391	#line 155 "/Users/akim/src/gnu/bison/src/scan-code.l"
1392	STRING_GROW; BEGIN SC_LINE_COMMENT;
1393	YY_BREAK
1394	case `11`:
1395	YY_RULE_SETUP
1396	#line 157 "/Users/akim/src/gnu/bison/src/scan-code.l"
1397	{
1398	complain (loc, Wother, _("stray '%s'"), yytext);
1399	obstack_escape (&obstack_for_string, yytext);
1400	}
1401	YY_BREAK
1402
1403
1404
1405	case `12`:
1406	YY_RULE_SETUP
1407	#line 165 "/Users/akim/src/gnu/bison/src/scan-code.l"
1408	{
1409	ref_tail_fields = NULL;
1410	handle_action_dollar (self->rule, yytext, *loc);
1411	if (ref_tail_fields)
1412	obstack_sgrow (&obstack_for_string, ref_tail_fields);
1413	}
1414	YY_BREAK
1415	case `13`:
1416	YY_RULE_SETUP
1417	#line 171 "/Users/akim/src/gnu/bison/src/scan-code.l"
1418	{
1419	ref_tail_fields = NULL;
1420	handle_action_at (self->rule, yytext, *loc);
1421	if (ref_tail_fields)
1422	obstack_sgrow (&obstack_for_string, ref_tail_fields);
1423	}
1424	YY_BREAK
1425
1426
1427
1428	case `14`:
1429	YY_RULE_SETUP
1430	#line 181 "/Users/akim/src/gnu/bison/src/scan-code.l"
1431	{
1432	const char *type_name = NULL;
1433	fetch_type_name (yytext + `1`, &type_name, *loc)[-`1`] = `0`;
1434	obstack_sgrow (&obstack_for_string, "]b4_dollar_dollar(");
1435	obstack_quote (&obstack_for_string, type_name);
1436	obstack_sgrow (&obstack_for_string, ")[");
1437	self->is_value_used = true;
1438	}
1439	YY_BREAK
1440	case `15`:
1441	YY_RULE_SETUP
1442	#line 189 "/Users/akim/src/gnu/bison/src/scan-code.l"
1443	{
1444	obstack_sgrow (&obstack_for_string, "]b4_at_dollar[");
1445	muscle_percent_define_ensure("locations", *loc, true);
1446	}
1447	YY_BREAK
1448
1449
1450
1451	/ Escape M4 quoting characters in C code. /
1452	case `16`:
1453	YY_RULE_SETUP
1454	#line 199 "/Users/akim/src/gnu/bison/src/scan-code.l"
1455	obstack_escape (&obstack_for_string, yytext);
1456	YY_BREAK
1457	/ By default, grow the string obstack with the input. /
1458	case `17`:
1459	/ rule 17 can match eol /
1460	YY_RULE_SETUP
1461	#line 202 "/Users/akim/src/gnu/bison/src/scan-code.l"
1462	STRING_GROW;
1463	YY_BREAK
1464	/ End of processing. /
1465	case YY_STATE_EOF(INITIAL):
1466	case YY_STATE_EOF(SC_COMMENT):
1467	case YY_STATE_EOF(SC_LINE_COMMENT):
1468	case YY_STATE_EOF(SC_STRING):
1469	case YY_STATE_EOF(SC_CHARACTER):
1470	case YY_STATE_EOF(SC_RULE_ACTION):
1471	case YY_STATE_EOF(SC_SYMBOL_ACTION):
1472	#line 205 "/Users/akim/src/gnu/bison/src/scan-code.l"
1473	STRING_FINISH; return last_string;
1474	YY_BREAK
1475
1476	case `18`:
1477	YY_RULE_SETUP
1478	#line 208 "/Users/akim/src/gnu/bison/src/scan-code.l"
1479	YY_FATAL_ERROR( "flex scanner jammed" );
1480	YY_BREAK
1481	#line 1481 "src/scan-code.c"
1482
1483	case YY_END_OF_BUFFER:
1484	{
1485	/ Amount of text matched not including the EOB char. /
1486	int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - `1`;
1487
1488	/ Undo the effects of YY_DO_BEFORE_ACTION. /
1489	*yy_cp = (yy_hold_char);
1490	YY_RESTORE_YY_MORE_OFFSET
1491
1492	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1493	{
1494	/ We're scanning a new file or input source. It's*
1495	* possible that this happened because the user
1496	* just pointed yyin at a new source and called
1497	* yylex(). If so, then we have to assure
1498	* consistency between YY_CURRENT_BUFFER and our
1499	* globals. Here is the right place to do so, because
1500	* this is the first action (other than possibly a
1501	* back-up) that will match for the new input source.
1502	*/
1503	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1504	/ %if-c-only /
1505	YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
1506	/ %endif /
1507	/ %if-c++-only /
1508	/ %endif /
1509	YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1510	}
1511
1512	/ Note that here we test for yy_c_buf_p "<=" to the position*
1513	* of the first EOB in the buffer, since yy_c_buf_p will
1514	* already have been incremented past the NUL character
1515	* (since all states make transitions on EOB to the
1516	* end-of-buffer state). Contrast this with the test
1517	* in input().
1518	*/
1519	if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1520	{ / This was really a NUL. /
1521	yy_state_type yy_next_state;
1522
1523	(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1524
1525	yy_current_state = yy_get_previous_state( );
1526
1527	/ Okay, we're now positioned to make the NUL*
1528	* transition. We couldn't have
1529	* yy_get_previous_state() go ahead and do it
1530	* for us because it doesn't know how to deal
1531	* with the possibility of jamming (and we don't
1532	* want to build jamming into it because then it
1533	* will run more slowly).
1534	*/
1535
1536	yy_next_state = yy_try_NUL_trans( yy_current_state );
1537
1538	yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1539
1540	if ( yy_next_state )
1541	{
1542	/ Consume the NUL. /
1543	yy_cp = ++(yy_c_buf_p);
1544	yy_current_state = yy_next_state;
1545	goto yy_match;
1546	}
1547
1548	else
1549	{
1550	/ %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here /
1551	yy_cp = (yy_last_accepting_cpos);
1552	yy_current_state = (yy_last_accepting_state);
1553	goto yy_find_action;
1554	}
1555	}
1556
1557	else switch ( yy_get_next_buffer( ) )
1558	{
1559	case EOB_ACT_END_OF_FILE:
1560	{
1561	(yy_did_buffer_switch_on_eof) = `0`;
1562
1563	if ( yywrap( ) )
1564	{
1565	/ Note: because we've taken care in*
1566	* yy_get_next_buffer() to have set up
1567	* yytext, we can now set up
1568	* yy_c_buf_p so that if some total
1569	* hoser (like flex itself) wants to
1570	* call the scanner after we return the
1571	* YY_NULL, it'll still work - another
1572	* YY_NULL will get returned.
1573	*/
1574	(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1575
1576	yy_act = YY_STATE_EOF(YY_START);
1577	goto do_action;
1578	}
1579
1580	else
1581	{
1582	if ( ! (yy_did_buffer_switch_on_eof) )
1583	YY_NEW_FILE;
1584	}
1585	break;
1586	}
1587
1588	case EOB_ACT_CONTINUE_SCAN:
1589	(yy_c_buf_p) =
1590	(yytext_ptr) + yy_amount_of_matched_text;
1591
1592	yy_current_state = yy_get_previous_state( );
1593
1594	yy_cp = (yy_c_buf_p);
1595	yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1596	goto yy_match;
1597
1598	case EOB_ACT_LAST_MATCH:
1599	(yy_c_buf_p) =
1600	&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1601
1602	yy_current_state = yy_get_previous_state( );
1603
1604	yy_cp = (yy_c_buf_p);
1605	yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1606	goto yy_find_action;
1607	}
1608	break;
1609	}
1610
1611	default:
1612	YY_FATAL_ERROR(
1613	"fatal flex scanner internal error--no action found" );
1614	} / end of action switch /
1615	} / end of scanning one token /
1616	} / end of user's declarations /
1617	} / end of yylex /
1618	/ %ok-for-header /
1619
1620	/ %if-c++-only /
1621	/ %not-for-header /
1622	/ %ok-for-header /
1623
1624	/ %endif /
1625
1626	/ yy_get_next_buffer - try to read in a new buffer*
1627	*
1628	* Returns a code representing an action:
1629	* EOB_ACT_LAST_MATCH -
1630	* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1631	* EOB_ACT_END_OF_FILE - end of file
1632	*/
1633	/ %if-c-only /
1634	static int yy_get_next_buffer (void)
1635	/ %endif /
1636	/ %if-c++-only /
1637	/ %endif /
1638	{
1639	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1640	char *source = (yytext_ptr);
1641	int number_to_move, i;
1642	int ret_val;
1643
1644	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + `1`] )
1645	YY_FATAL_ERROR(
1646	"fatal flex scanner internal error--end of buffer missed" );
1647
1648	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == `0` )
1649	{ / Don't try to fill the buffer, so this is an EOF. /
1650	if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == `1` )
1651	{
1652	/ We matched a single character, the EOB, so*
1653	* treat this as a final EOF.
1654	*/
1655	return EOB_ACT_END_OF_FILE;
1656	}
1657
1658	else
1659	{
1660	/ We matched some text prior to the EOB, first*
1661	* process it.
1662	*/
1663	return EOB_ACT_LAST_MATCH;
1664	}
1665	}
1666
1667	/ Try to read more data. /
1668
1669	/ First move last chars to start of buffer. /
1670	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - `1`);
1671
1672	for ( i = `0`; i < number_to_move; ++i )
1673	(dest++) = (source++);
1674
1675	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1676	/ don't do the read, it's not guaranteed to return an EOF,*
1677	* just force an EOF
1678	*/
1679	YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = `0`;
1680
1681	else
1682	{
1683	int num_to_read =
1684	YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - `1`;
1685
1686	while ( num_to_read <= `0` )
1687	{ / Not enough room in the buffer - grow it. /
1688
1689	/ just a shorter name for the current buffer /
1690	YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
1691
1692	int yy_c_buf_p_offset =
1693	(int) ((yy_c_buf_p) - b->yy_ch_buf);
1694
1695	if ( b->yy_is_our_buffer )
1696	{
1697	int new_size = b->yy_buf_size * `2`;
1698
1699	if ( new_size <= `0` )
1700	b->yy_buf_size += b->yy_buf_size / `8`;
1701	else
1702	b->yy_buf_size *= `2`;
1703
1704	b->yy_ch_buf = (char *)
1705	/ Include room in for 2 EOB chars. /
1706	yyrealloc( (void *) b->yy_ch_buf,
1707	(yy_size_t) (b->yy_buf_size + `2`) );
1708	}
1709	else
1710	/ Can't grow it, we don't own it. /
1711	b->yy_ch_buf = NULL;
1712
1713	if ( ! b->yy_ch_buf )
1714	YY_FATAL_ERROR(
1715	"fatal error - scanner input buffer overflow" );
1716
1717	(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1718
1719	num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1720	number_to_move - `1`;
1721
1722	}
1723
1724	if ( num_to_read > YY_READ_BUF_SIZE )
1725	num_to_read = YY_READ_BUF_SIZE;
1726
1727	/ Read in more data. /
1728	YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1729	(yy_n_chars), num_to_read );
1730
1731	YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1732	}
1733
1734	if ( (yy_n_chars) == `0` )
1735	{
1736	if ( number_to_move == YY_MORE_ADJ )
1737	{
1738	ret_val = EOB_ACT_END_OF_FILE;
1739	yyrestart( yyin );
1740	}
1741
1742	else
1743	{
1744	ret_val = EOB_ACT_LAST_MATCH;
1745	YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1746	YY_BUFFER_EOF_PENDING;
1747	}
1748	}
1749
1750	else
1751	ret_val = EOB_ACT_CONTINUE_SCAN;
1752
1753	if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
1754	/ Extend the array by 50%, plus the number we really need. /
1755	int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> `1`);
1756	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
1757	(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size );
1758	if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1759	YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
1760	/ "- 2" to take care of EOB's /
1761	YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - `2`);
1762	}
1763
1764	(yy_n_chars) += number_to_move;
1765	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1766	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + `1`] = YY_END_OF_BUFFER_CHAR;
1767
1768	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[`0`];
1769
1770	return ret_val;
1771	}
1772
1773	/ yy_get_previous_state - get the state just before the EOB char was reached /
1774
1775	/ %if-c-only /
1776	/ %not-for-header /
1777	static yy_state_type yy_get_previous_state (void)
1778	/ %endif /
1779	/ %if-c++-only /
1780	/ %endif /
1781	{
1782	yy_state_type yy_current_state;
1783	char *yy_cp;
1784
1785	/ %% [15.0] code to get the start state into yy_current_state goes here /
1786	yy_current_state = (yy_start);
1787
1788	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1789	{
1790	/ %% [16.0] code to find the next state goes here /
1791	YY_CHAR yy_c = (yy_cp ? yy_ec[YY_SC_TO_UI(yy_cp)] : `18`);
1792	if ( yy_accept[yy_current_state] )
1793	{
1794	(yy_last_accepting_state) = yy_current_state;
1795	(yy_last_accepting_cpos) = yy_cp;
1796	}
1797	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1798	{
1799	yy_current_state = (int) yy_def[yy_current_state];
1800	if ( yy_current_state >= `91` )
1801	yy_c = yy_meta[yy_c];
1802	}
1803	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
1804	}
1805
1806	return yy_current_state;
1807	}
1808
1809	/ yy_try_NUL_trans - try to make a transition on the NUL character*
1810	*
1811	* synopsis
1812	* next_state = yy_try_NUL_trans( current_state );
1813	*/
1814	/ %if-c-only /
1815	static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1816	/ %endif /
1817	/ %if-c++-only /
1818	/ %endif /
1819	{
1820	int yy_is_jam;
1821	/ %% [17.0] code to find the next state, and perhaps do backing up, goes here /
1822	char *yy_cp = (yy_c_buf_p);
1823
1824	YY_CHAR yy_c = `18`;
1825	if ( yy_accept[yy_current_state] )
1826	{
1827	(yy_last_accepting_state) = yy_current_state;
1828	(yy_last_accepting_cpos) = yy_cp;
1829	}
1830	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1831	{
1832	yy_current_state = (int) yy_def[yy_current_state];
1833	if ( yy_current_state >= `91` )
1834	yy_c = yy_meta[yy_c];
1835	}
1836	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
1837	yy_is_jam = (yy_current_state == `90`);
1838
1839	return yy_is_jam ? `0` : yy_current_state;
1840	}
1841
1842	#ifndef YY_NO_UNPUT
1843	/ %if-c-only /
1844
1845	/ %endif /
1846	#endif
1847
1848	/ %if-c-only /
1849	#ifndef YY_NO_INPUT
1850	#ifdef __cplusplus
1851	static int yyinput (void)
1852	#else
1853	static int input (void)
1854	#endif
1855
1856	/ %endif /
1857	/ %if-c++-only /
1858	/ %endif /
1859	{
1860	int c;
1861
1862	*(yy_c_buf_p) = (yy_hold_char);
1863
1864	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1865	{
1866	/ yy_c_buf_p now points to the character we want to return.*
1867	* If this occurs before the EOB characters, then it's a
1868	* valid NUL; if not, then we've hit the end of the buffer.
1869	*/
1870	if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1871	/ This was really a NUL. /
1872	*(yy_c_buf_p) = `'\0'`;
1873
1874	else
1875	{ / need more input /
1876	int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
1877	++(yy_c_buf_p);
1878
1879	switch ( yy_get_next_buffer( ) )
1880	{
1881	case EOB_ACT_LAST_MATCH:
1882	/ This happens because yy_g_n_b()*
1883	* sees that we've accumulated a
1884	* token and flags that we need to
1885	* try matching the token before
1886	* proceeding. But for input(),
1887	* there's no matching to consider.
1888	* So convert the EOB_ACT_LAST_MATCH
1889	* to EOB_ACT_END_OF_FILE.
1890	*/
1891
1892	/ Reset buffer status. /
1893	yyrestart( yyin );
1894
1895	/FALLTHROUGH/
1896
1897	case EOB_ACT_END_OF_FILE:
1898	{
1899	if ( yywrap( ) )
1900	return `0`;
1901
1902	if ( ! (yy_did_buffer_switch_on_eof) )
1903	YY_NEW_FILE;
1904	#ifdef __cplusplus
1905	return yyinput();
1906	#else
1907	return input();
1908	#endif
1909	}
1910
1911	case EOB_ACT_CONTINUE_SCAN:
1912	(yy_c_buf_p) = (yytext_ptr) + offset;
1913	break;
1914	}
1915	}
1916	}
1917
1918	c = (unsigned* char ) (yy_c_buf_p); /* cast for 8-bit char's /
1919	(yy_c_buf_p) = `'\0'`; /* preserve yytext /
1920	(yy_hold_char) = *++(yy_c_buf_p);
1921
1922	/ %% [19.0] update BOL and yylineno /
1923
1924	return c;
1925	}
1926	/ %if-c-only /
1927	#endif /* ifndef YY_NO_INPUT */
1928	/ %endif /
1929
1930	/* Immediately switch to a different input stream.*
1931	* @param input_file A readable stream.
1932	*
1933	* @note This function does not reset the start condition to @c INITIAL .
1934	*/
1935	/ %if-c-only /
1936	void yyrestart (FILE * input_file )
1937	/ %endif /
1938	/ %if-c++-only /
1939	/ %endif /
1940	{
1941
1942	if ( ! YY_CURRENT_BUFFER ){
1943	yyensure_buffer_stack ();
1944	YY_CURRENT_BUFFER_LVALUE =
1945	yy_create_buffer( yyin, YY_BUF_SIZE );
1946	}
1947
1948	yy_init_buffer( YY_CURRENT_BUFFER, input_file );
1949	yy_load_buffer_state( );
1950	}
1951
1952	/ %if-c++-only /
1953	/ %endif /
1954
1955	/* Switch to a different input buffer.*
1956	* @param new_buffer The new input buffer.
1957	*
1958	*/
1959	/ %if-c-only /
1960	void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1961	/ %endif /
1962	/ %if-c++-only /
1963	/ %endif /
1964	{
1965
1966	/ TODO. We should be able to replace this entire function body*
1967	* with
1968	* yypop_buffer_state();
1969	* yypush_buffer_state(new_buffer);
1970	*/
1971	yyensure_buffer_stack ();
1972	if ( YY_CURRENT_BUFFER == new_buffer )
1973	return;
1974
1975	if ( YY_CURRENT_BUFFER )
1976	{
1977	/ Flush out information for old buffer. /
1978	*(yy_c_buf_p) = (yy_hold_char);
1979	YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1980	YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1981	}
1982
1983	YY_CURRENT_BUFFER_LVALUE = new_buffer;
1984	yy_load_buffer_state( );
1985
1986	/ We don't actually know whether we did this switch during*
1987	* EOF (yywrap()) processing, but the only time this flag
1988	* is looked at is after yywrap() is called, so it's safe
1989	* to go ahead and always set it.
1990	*/
1991	(yy_did_buffer_switch_on_eof) = `1`;
1992	}
1993
1994	/ %if-c-only /
1995	static void yy_load_buffer_state (void)
1996	/ %endif /
1997	/ %if-c++-only /
1998	/ %endif /
1999	{
2000	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
2001	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
2002	/ %if-c-only /
2003	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
2004	/ %endif /
2005	/ %if-c++-only /
2006	/ %endif /
2007	(yy_hold_char) = *(yy_c_buf_p);
2008	}
2009
2010	/* Allocate and initialize an input buffer state.*
2011	* @param file A readable stream.
2012	* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
2013	*
2014	* @return the allocated buffer state.
2015	*/
2016	/ %if-c-only /
2017	YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
2018	/ %endif /
2019	/ %if-c++-only /
2020	/ %endif /
2021	{
2022	YY_BUFFER_STATE b;
2023
2024	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
2025	if ( ! b )
2026	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2027
2028	b->yy_buf_size = size;
2029
2030	/ yy_ch_buf has to be 2 characters longer than the size given because*
2031	* we need to put in 2 end-of-buffer characters.
2032	*/
2033	b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + `2`) );
2034	if ( ! b->yy_ch_buf )
2035	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2036
2037	b->yy_is_our_buffer = `1`;
2038
2039	yy_init_buffer( b, file );
2040
2041	return b;
2042	}
2043
2044	/ %if-c++-only /
2045	/ %endif /
2046
2047	/* Destroy the buffer.*
2048	* @param b a buffer created with yy_create_buffer()
2049	*
2050	*/
2051	/ %if-c-only /
2052	void yy_delete_buffer (YY_BUFFER_STATE b )
2053	/ %endif /
2054	/ %if-c++-only /
2055	/ %endif /
2056	{
2057
2058	if ( ! b )
2059	return;
2060
2061	if ( b == YY_CURRENT_BUFFER ) / Not sure if we should pop here. /
2062	YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) `0`;
2063
2064	if ( b->yy_is_our_buffer )
2065	yyfree( (void *) b->yy_ch_buf );
2066
2067	yyfree( (void *) b );
2068	}
2069
2070	/ Initializes or reinitializes a buffer.*
2071	* This function is sometimes called more than once on the same buffer,
2072	* such as during a yyrestart() or at EOF.
2073	*/
2074	/ %if-c-only /
2075	static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
2076	/ %endif /
2077	/ %if-c++-only /
2078	/ %endif /
2079
2080	{
2081	int oerrno = errno;
2082
2083	yy_flush_buffer( b );
2084
2085	/ %if-c-only /
2086	b->yy_input_file = file;
2087	/ %endif /
2088	/ %if-c++-only /
2089	/ %endif /
2090	b->yy_fill_buffer = `1`;
2091
2092	/ If b is the current buffer, then yy_init_buffer was _probably_*
2093	* called from yyrestart() or through yy_get_next_buffer.
2094	* In that case, we don't want to reset the lineno or column.
2095	*/
2096	if (b != YY_CURRENT_BUFFER){
2097	b->yy_bs_lineno = `1`;
2098	b->yy_bs_column = `0`;
2099	}
2100
2101	/ %if-c-only /
2102
2103	b->yy_is_interactive = `0`;
2104
2105	/ %endif /
2106	/ %if-c++-only /
2107	/ %endif /
2108	errno = oerrno;
2109	}
2110
2111	/* Discard all buffered characters. On the next scan, YY_INPUT will be called.*
2112	* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
2113	*
2114	*/
2115	/ %if-c-only /
2116	void yy_flush_buffer (YY_BUFFER_STATE b )
2117	/ %endif /
2118	/ %if-c++-only /
2119	/ %endif /
2120	{
2121	if ( ! b )
2122	return;
2123
2124	b->yy_n_chars = `0`;
2125
2126	/ We always need two end-of-buffer characters. The first causes*
2127	* a transition to the end-of-buffer state. The second causes
2128	* a jam in that state.
2129	*/
2130	b->yy_ch_buf[`0`] = YY_END_OF_BUFFER_CHAR;
2131	b->yy_ch_buf[`1`] = YY_END_OF_BUFFER_CHAR;
2132
2133	b->yy_buf_pos = &b->yy_ch_buf[`0`];
2134
2135	b->yy_at_bol = `1`;
2136	b->yy_buffer_status = YY_BUFFER_NEW;
2137
2138	if ( b == YY_CURRENT_BUFFER )
2139	yy_load_buffer_state( );
2140	}
2141
2142	/ %if-c-or-c++ /
2143	/* Pushes the new state onto the stack. The new state becomes*
2144	* the current state. This function will allocate the stack
2145	* if necessary.
2146	* @param new_buffer The new state.
2147	*
2148	*/
2149	/ %if-c-only /
2150	void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
2151	/ %endif /
2152	/ %if-c++-only /
2153	/ %endif /
2154	{
2155	if (new_buffer == NULL)
2156	return;
2157
2158	yyensure_buffer_stack();
2159
2160	/ This block is copied from yy_switch_to_buffer. /
2161	if ( YY_CURRENT_BUFFER )
2162	{
2163	/ Flush out information for old buffer. /
2164	*(yy_c_buf_p) = (yy_hold_char);
2165	YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
2166	YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
2167	}
2168
2169	/ Only push if top exists. Otherwise, replace top. /
2170	if (YY_CURRENT_BUFFER)
2171	(yy_buffer_stack_top)++;
2172	YY_CURRENT_BUFFER_LVALUE = new_buffer;
2173
2174	/ copied from yy_switch_to_buffer. /
2175	yy_load_buffer_state( );
2176	(yy_did_buffer_switch_on_eof) = `1`;
2177	}
2178	/ %endif /
2179
2180	/ %if-c-or-c++ /
2181	/* Removes and deletes the top of the stack, if present.*
2182	* The next element becomes the new top.
2183	*
2184	*/
2185	/ %if-c-only /
2186	void yypop_buffer_state (void)
2187	/ %endif /
2188	/ %if-c++-only /
2189	/ %endif /
2190	{
2191	if (!YY_CURRENT_BUFFER)
2192	return;
2193
2194	yy_delete_buffer(YY_CURRENT_BUFFER );
2195	YY_CURRENT_BUFFER_LVALUE = NULL;
2196	if ((yy_buffer_stack_top) > `0`)
2197	--(yy_buffer_stack_top);
2198
2199	if (YY_CURRENT_BUFFER) {
2200	yy_load_buffer_state( );
2201	(yy_did_buffer_switch_on_eof) = `1`;
2202	}
2203	}
2204	/ %endif /
2205
2206	/ %if-c-or-c++ /
2207	/ Allocates the stack if it does not exist.*
2208	* Guarantees space for at least one push.
2209	*/
2210	/ %if-c-only /
2211	static void yyensure_buffer_stack (void)
2212	/ %endif /
2213	/ %if-c++-only /
2214	/ %endif /
2215	{
2216	yy_size_t num_to_alloc;
2217
2218	if (!(yy_buffer_stack)) {
2219
2220	/ First allocation is just for 2 elements, since we don't know if this*
2221	* scanner will even need a stack. We use 2 instead of 1 to avoid an
2222	* immediate realloc on the next call.
2223	*/
2224	num_to_alloc = `1`; / After all that talk, this was set to 1 anyways... /
2225	(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
2226	(num_to_alloc * sizeof(struct yy_buffer_state*)
2227	);
2228	if ( ! (yy_buffer_stack) )
2229	YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
2230
2231	memset((yy_buffer_stack), `0`, num_to_alloc * sizeof(struct yy_buffer_state*));
2232
2233	(yy_buffer_stack_max) = num_to_alloc;
2234	(yy_buffer_stack_top) = `0`;
2235	return;
2236	}
2237
2238	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - `1`){
2239
2240	/ Increase the buffer to prepare for a possible push. /
2241	yy_size_t grow_size = `8` / arbitrary grow size /;
2242
2243	num_to_alloc = (yy_buffer_stack_max) + grow_size;
2244	(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
2245	((yy_buffer_stack),
2246	num_to_alloc * sizeof(struct yy_buffer_state*)
2247	);
2248	if ( ! (yy_buffer_stack) )
2249	YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
2250
2251	/ zero only the new slots./
2252	memset((yy_buffer_stack) + (yy_buffer_stack_max), `0`, grow_size * sizeof(struct yy_buffer_state*));
2253	(yy_buffer_stack_max) = num_to_alloc;
2254	}
2255	}
2256	/ %endif /
2257
2258	/ %if-c-only /
2259	/* Setup the input buffer state to scan directly from a user-specified character buffer.*
2260	* @param base the character buffer
2261	* @param size the size in bytes of the character buffer
2262	*
2263	* @return the newly allocated buffer state object.
2264	*/
2265	YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
2266	{
2267	YY_BUFFER_STATE b;
2268
2269	if ( size < `2` \|\|
2270	base[size-`2`] != YY_END_OF_BUFFER_CHAR \|\|
2271	base[size-`1`] != YY_END_OF_BUFFER_CHAR )
2272	/ They forgot to leave room for the EOB's. /
2273	return NULL;
2274
2275	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
2276	if ( ! b )
2277	YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
2278
2279	b->yy_buf_size = (int) (size - `2`); / "- 2" to take care of EOB's /
2280	b->yy_buf_pos = b->yy_ch_buf = base;
2281	b->yy_is_our_buffer = `0`;
2282	b->yy_input_file = NULL;
2283	b->yy_n_chars = b->yy_buf_size;
2284	b->yy_is_interactive = `0`;
2285	b->yy_at_bol = `1`;
2286	b->yy_fill_buffer = `0`;
2287	b->yy_buffer_status = YY_BUFFER_NEW;
2288
2289	yy_switch_to_buffer( b );
2290
2291	return b;
2292	}
2293	/ %endif /
2294
2295	/ %if-c-only /
2296	/* Setup the input buffer state to scan a string. The next call to yylex() will*
2297	* scan from a @e copy of @a str.
2298	* @param yystr a NUL-terminated string to scan
2299	*
2300	* @return the newly allocated buffer state object.
2301	* @note If you want to scan bytes that may contain NUL values, then use
2302	* yy_scan_bytes() instead.
2303	*/
2304	YY_BUFFER_STATE yy_scan_string (const char * yystr )
2305	{
2306
2307	return yy_scan_bytes( yystr, (int) strlen(yystr) );
2308	}
2309	/ %endif /
2310
2311	/ %if-c-only /
2312	/* Setup the input buffer state to scan the given bytes. The next call to yylex() will*
2313	* scan from a @e copy of @a bytes.
2314	* @param yybytes the byte buffer to scan
2315	* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
2316	*
2317	* @return the newly allocated buffer state object.
2318	*/
2319	YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len )
2320	{
2321	YY_BUFFER_STATE b;
2322	char *buf;
2323	yy_size_t n;
2324	int i;
2325
2326	/ Get memory for full buffer, including space for trailing EOB's. /
2327	n = (yy_size_t) (_yybytes_len + `2`);
2328	buf = (char *) yyalloc( n );
2329	if ( ! buf )
2330	YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
2331
2332	for ( i = `0`; i < _yybytes_len; ++i )
2333	buf[i] = yybytes[i];
2334
2335	buf[_yybytes_len] = buf[_yybytes_len+`1`] = YY_END_OF_BUFFER_CHAR;
2336
2337	b = yy_scan_buffer( buf, n );
2338	if ( ! b )
2339	YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
2340
2341	/ It's okay to grow etc. this buffer, and we should throw it*
2342	* away when we're done.
2343	*/
2344	b->yy_is_our_buffer = `1`;
2345
2346	return b;
2347	}
2348	/ %endif /
2349
2350	#ifndef YY_EXIT_FAILURE
2351	#define YY_EXIT_FAILURE 2
2352	#endif
2353
2354	/ %if-c-only /
2355	static void yynoreturn yy_fatal_error (const char* msg )
2356	{
2357	fprintf( stderr, "%s\n", msg );
2358	exit( YY_EXIT_FAILURE );
2359	}
2360	/ %endif /
2361	/ %if-c++-only /
2362	/ %endif /
2363
2364	/ Redefine yyless() so it works in section 3 code. /
2365
2366	#undef yyless
2367	#define yyless(n) \
2368	do \
2369	{ \
2370	/* Undo effects of setting up yytext. */ \
2371	int yyless_macro_arg = (n); \
2372	YY_LESS_LINENO(yyless_macro_arg);\
2373	yytext[yyleng] = (yy_hold_char); \
2374	(yy_c_buf_p) = yytext + yyless_macro_arg; \
2375	(yy_hold_char) = *(yy_c_buf_p); \
2376	*(yy_c_buf_p) = '\0'; \
2377	yyleng = yyless_macro_arg; \
2378	} \
2379	while ( 0 )
2380
2381	/ Accessor methods (get/set functions) to struct members. /
2382
2383	/ %if-c-only /
2384	/ %if-reentrant /
2385	/ %endif /
2386
2387	/* Get the current line number.*
2388	*
2389	*/
2390	int yyget_lineno (void)
2391	{
2392
2393	return yylineno;
2394	}
2395
2396	/* Get the input stream.*
2397	*
2398	*/
2399	FILE yyget_in (void*)
2400	{
2401	return yyin;
2402	}
2403
2404	/* Get the output stream.*
2405	*
2406	*/
2407	FILE yyget_out (void*)
2408	{
2409	return yyout;
2410	}
2411
2412	/* Get the length of the current token.*
2413	*
2414	*/
2415	int yyget_leng (void)
2416	{
2417	return yyleng;
2418	}
2419
2420	/* Get the current token.*
2421	*
2422	*/
2423
2424	char yyget_text (void*)
2425	{
2426	return yytext;
2427	}
2428
2429	/ %if-reentrant /
2430	/ %endif /
2431
2432	/* Set the current line number.*
2433	* @param _line_number line number
2434	*
2435	*/
2436	void yyset_lineno (int _line_number )
2437	{
2438
2439	yylineno = _line_number;
2440	}
2441
2442	/* Set the input stream. This does not discard the current*
2443	* input buffer.
2444	* @param _in_str A readable stream.
2445	*
2446	* @see yy_switch_to_buffer
2447	*/
2448	void yyset_in (FILE * _in_str )
2449	{
2450	yyin = _in_str ;
2451	}
2452
2453	void yyset_out (FILE * _out_str )
2454	{
2455	yyout = _out_str ;
2456	}
2457
2458	int yyget_debug (void)
2459	{
2460	return yy_flex_debug;
2461	}
2462
2463	void yyset_debug (int _bdebug )
2464	{
2465	yy_flex_debug = _bdebug ;
2466	}
2467
2468	/ %endif /
2469
2470	/ %if-reentrant /
2471	/ %if-bison-bridge /
2472	/ %endif /
2473	/ %endif if-c-only /
2474
2475	/ %if-c-only /
2476	static int yy_init_globals (void)
2477	{
2478	/ Initialization is the same as for the non-reentrant scanner.*
2479	* This function is called from yylex_destroy(), so don't allocate here.
2480	*/
2481
2482	(yy_buffer_stack) = NULL;
2483	(yy_buffer_stack_top) = `0`;
2484	(yy_buffer_stack_max) = `0`;
2485	(yy_c_buf_p) = NULL;
2486	(yy_init) = `0`;
2487	(yy_start) = `0`;
2488
2489	/ Defined in main.c /
2490	#ifdef YY_STDINIT
2491	yyin = stdin;
2492	yyout = stdout;
2493	#else
2494	yyin = NULL;
2495	yyout = NULL;
2496	#endif
2497
2498	/ For future reference: Set errno on error, since we are called by*
2499	* yylex_init()
2500	*/
2501	return `0`;
2502	}
2503	/ %endif /
2504
2505	/ %if-c-only SNIP! this currently causes conflicts with the c++ scanner /
2506	/ yylex_destroy is for both reentrant and non-reentrant scanners. /
2507	int yylex_destroy (void)
2508	{
2509
2510	/ Pop the buffer stack, destroying each element. /
2511	while(YY_CURRENT_BUFFER){
2512	yy_delete_buffer( YY_CURRENT_BUFFER );
2513	YY_CURRENT_BUFFER_LVALUE = NULL;
2514	yypop_buffer_state();
2515	}
2516
2517	/ Destroy the stack itself. /
2518	yyfree((yy_buffer_stack) );
2519	(yy_buffer_stack) = NULL;
2520
2521	/ Reset the globals. This is important in a non-reentrant scanner so the next time*
2522	* yylex() is called, initialization will occur. */
2523	yy_init_globals( );
2524
2525	/ %if-reentrant /
2526	/ %endif /
2527	return `0`;
2528	}
2529	/ %endif /
2530
2531	/*
2532	* Internal utility routines.
2533	*/
2534
2535	#ifndef yytext_ptr
2536	static void yy_flex_strncpy (char* s1, const char * s2, int n )
2537	{
2538
2539	int i;
2540	for ( i = `0`; i < n; ++i )
2541	s1[i] = s2[i];
2542	}
2543	#endif
2544
2545	#ifdef YY_NEED_STRLEN
2546	static int yy_flex_strlen (const char * s )
2547	{
2548	int n;
2549	for ( n = `0`; s[n]; ++n )
2550	;
2551
2552	return n;
2553	}
2554	#endif
2555
2556	void *yyalloc (yy_size_t size )
2557	{
2558	return malloc(size);
2559	}
2560
2561	void yyrealloc (void* * ptr, yy_size_t size )
2562	{
2563
2564	/ The cast to (char ) in the following accommodates both
2565	* implementations that use char* generic pointers, and those
2566	* that use void* generic pointers. It works with the latter
2567	* because both ANSI C and C++ allow castless assignment from
2568	* any pointer type to void*, and deal with argument conversions
2569	* as though doing an assignment.
2570	*/
2571	return realloc(ptr, size);
2572	}
2573
2574	void yyfree (void * ptr )
2575	{
2576	free( (char ) ptr ); /* see yyrealloc() for (char ) cast /*
2577	}
2578
2579	/ %if-tables-serialization definitions /
2580	/ %define-yytables The name for this specific scanner's tables. /
2581	#define YYTABLES_NAME "yytables"
2582	/ %endif /
2583
2584	/ %ok-for-header /
2585
2586	#line 208 "/Users/akim/src/gnu/bison/src/scan-code.l"
2587
2588
2589	static inline bool
2590	is_dot_or_dash (char ch)
2591	{
2592	return ch == `'.'` \|\| ch == `'-'`;
2593	}
2594
2595	static inline bool
2596	contains_dot_or_dash (const char* p)
2597	{
2598	return strpbrk(p, ".-");
2599	}
2600
2601	/ Defines a variant of a symbolic name resolution. /
2602	typedef struct
2603	{
2604	/ Index in symbol list. /
2605	unsigned symbol_index;
2606
2607	/ Matched symbol id and loc. /
2608	uniqstr id;
2609	location loc;
2610
2611	/ Hiding named reference. /
2612	named_ref* hidden_by;
2613
2614	/ Error flags. May contain zero (no errors) or*
2615	a combination of VARIANT_ values. /
2616	unsigned err;
2617	} variant;
2618
2619	/ Set when the variant refers to a symbol hidden*
2620	by an explicit symbol reference. /*
2621	#define VARIANT_HIDDEN (1 << 0)
2622
2623	/ Set when the variant refers to a symbol containing*
2624	dots or dashes. Will require explicit bracketing. /*
2625	#define VARIANT_BAD_BRACKETING (1 << 1)
2626
2627	/ Set when the variant refers to a symbol which is*
2628	not visible from current midrule. /*
2629	#define VARIANT_NOT_VISIBLE_FROM_MIDRULE (1 << 2)
2630
2631	static variant *variant_table = NULL;
2632	static unsigned variant_table_size = `0`;
2633	static unsigned variant_count = `0`;
2634
2635	static variant *
2636	variant_table_grow (void)
2637	{
2638	++variant_count;
2639	if (variant_count > variant_table_size)
2640	{
2641	while (variant_count > variant_table_size)
2642	variant_table_size = `2` * variant_table_size + `3`;
2643	variant_table = xnrealloc (variant_table, variant_table_size,
2644	sizeof *variant_table);
2645	}
2646	return &variant_table[variant_count - `1`];
2647	}
2648
2649	static void
2650	variant_table_free (void)
2651	{
2652	free (variant_table);
2653	variant_table = NULL;
2654	variant_table_size = variant_count = `0`;
2655	}
2656
2657	static char const *
2658	find_prefix_end (char const prefix, char* const cp, char* const *end)
2659	{
2660	for (; *prefix && cp != end; ++prefix, ++cp)
2661	if (prefix != cp)
2662	return NULL;
2663
2664	return *prefix ? NULL : cp;
2665	}
2666
2667	static variant *
2668	variant_add (uniqstr id, location id_loc, unsigned symbol_index,
2669	char const cp, char* const *cp_end, bool explicit_bracketing)
2670	{
2671	char const *prefix_end = find_prefix_end (id, cp, cp_end);
2672	if (prefix_end &&
2673	(prefix_end == cp_end \|\|
2674	(!explicit_bracketing && is_dot_or_dash (*prefix_end))))
2675	{
2676	variant *r = variant_table_grow ();
2677	r->symbol_index = symbol_index;
2678	r->id = id;
2679	r->loc = id_loc;
2680	r->hidden_by = NULL;
2681	r->err = `0`;
2682	return r;
2683	}
2684	else
2685	return NULL;
2686	}
2687
2688	static const char *
2689	get_at_spec(unsigned symbol_index)
2690	{
2691	static char at_buf[`20`];
2692	if (symbol_index == `0`)
2693	strcpy (at_buf, "$$");
2694	else
2695	snprintf (at_buf, sizeof at_buf, "$%u", symbol_index);
2696	return at_buf;
2697	}
2698
2699	static void
2700	show_sub_message (warnings warning,
2701	const char* cp, bool explicit_bracketing,
2702	int midrule_rhs_index, char dollar_or_at,
2703	unsigned indent, const variant *var)
2704	{
2705	const char *at_spec = get_at_spec (var->symbol_index);
2706
2707	if (var->err == `0`)
2708	complain_indent (&var->loc, warning, &indent,
2709	_("refers to: %c%s at %s"), dollar_or_at,
2710	var->id, at_spec);
2711	else
2712	{
2713	const char *id;
2714	location id_loc;
2715
2716	if (var->hidden_by)
2717	{
2718	id = var->hidden_by->id;
2719	id_loc = var->hidden_by->loc;
2720	}
2721	else
2722	{
2723	id = var->id;
2724	id_loc = var->loc;
2725	}
2726
2727	const char *tail = explicit_bracketing ? "" : cp + strlen (var->id);
2728
2729	/ Create the explanation message. /
2730	static struct obstack msg_buf;
2731	obstack_init (&msg_buf);
2732
2733	obstack_printf (&msg_buf, _("possibly meant: %c"), dollar_or_at);
2734	if (contains_dot_or_dash (id))
2735	obstack_printf (&msg_buf, "[%s]", id);
2736	else
2737	obstack_sgrow (&msg_buf, id);
2738	obstack_sgrow (&msg_buf, tail);
2739
2740	if (var->err & VARIANT_HIDDEN)
2741	{
2742	obstack_printf (&msg_buf, _(", hiding %c"), dollar_or_at);
2743	if (contains_dot_or_dash (var->id))
2744	obstack_printf (&msg_buf, "[%s]", var->id);
2745	else
2746	obstack_sgrow (&msg_buf, var->id);
2747	obstack_sgrow (&msg_buf, tail);
2748	}
2749
2750	obstack_printf (&msg_buf, _(" at %s"), at_spec);
2751
2752	if (var->err & VARIANT_NOT_VISIBLE_FROM_MIDRULE)
2753	obstack_printf (&msg_buf,
2754	_(", cannot be accessed from midrule action at $%d"),
2755	midrule_rhs_index);
2756
2757	complain_indent (&id_loc, warning, &indent, "%s",
2758	obstack_finish0 (&msg_buf));
2759	obstack_free (&msg_buf, `0`);
2760	}
2761	}
2762
2763	static void
2764	show_sub_messages (warnings warning,
2765	const char* cp, bool explicit_bracketing,
2766	int midrule_rhs_index, char dollar_or_at,
2767	unsigned indent)
2768	{
2769	for (unsigned i = `0`; i < variant_count; ++i)
2770	show_sub_message (warning \| silent,
2771	cp, explicit_bracketing,
2772	midrule_rhs_index, dollar_or_at,
2773	indent, &variant_table[i]);
2774	}
2775
2776	/ Returned from "parse_ref" when the reference*
2777	is inappropriate. /*
2778	#define INVALID_REF (INT_MIN)
2779
2780	/ Returned from "parse_ref" when the reference*
2781	points to LHS ($$) of the current rule or midrule. /*
2782	#define LHS_REF (INT_MIN + 1)
2783
2784	/ Parse named or positional reference. In case of positional*
2785	references, can return negative values for $-n "deep" stack
2786	accesses. /*
2787	static long
2788	parse_ref (char cp, symbol_list rule, int rule_length,
2789	int midrule_rhs_index, char *text, location text_loc,
2790	char dollar_or_at)
2791	{
2792	if (`'$'` == *cp)
2793	return LHS_REF;
2794
2795	if (c_isdigit (cp) \|\| (cp == `'-'` && c_isdigit (* (cp + `1`))))
2796	{
2797	long num = strtol (cp, &cp, `10`);
2798	if (`1` - INT_MAX + rule_length <= num && num <= rule_length)
2799	return num;
2800	else
2801	{
2802	complain (&text_loc, complaint, _("integer out of range: %s"),
2803	quote (text));
2804	return INVALID_REF;
2805	}
2806	}
2807
2808	bool const explicit_bracketing = *cp == `'['`;
2809
2810	if (explicit_bracketing)
2811	++cp;
2812	else
2813	ref_tail_fields = strpbrk (cp, ".-");
2814
2815	char const *cp_end = strchr (cp, explicit_bracketing ? `']'` : `'\0'`);
2816
2817	/ Add all relevant variants. /
2818	{
2819	unsigned symbol_index;
2820	symbol_list *l;
2821	variant_count = `0`;
2822	for (symbol_index = `0`, l = rule; !symbol_list_null (l);
2823	++symbol_index, l = l->next)
2824	{
2825	if (l->content_type != SYMLIST_SYMBOL)
2826	continue;
2827
2828	variant *var
2829	= variant_add (l->content.sym->tag, l->sym_loc,
2830	symbol_index, cp, cp_end, explicit_bracketing);
2831	if (var && l->named_ref)
2832	var->hidden_by = l->named_ref;
2833
2834	if (l->named_ref)
2835	variant_add (l->named_ref->id, l->named_ref->loc,
2836	symbol_index, cp, cp_end, explicit_bracketing);
2837	}
2838	}
2839
2840	/ Check errors. /
2841	unsigned valid_variants = `0`;
2842	unsigned valid_variant_index = `0`;
2843	for (unsigned i = `0`; i < variant_count; ++i)
2844	{
2845	variant *var = &variant_table[i];
2846	unsigned symbol_index = var->symbol_index;
2847
2848	/ Check visibility from midrule actions. /
2849	if (midrule_rhs_index != `0`
2850	&& (symbol_index == `0` \|\| midrule_rhs_index < symbol_index))
2851	var->err \|= VARIANT_NOT_VISIBLE_FROM_MIDRULE;
2852
2853	/ Check correct bracketing. /
2854	if (!explicit_bracketing && contains_dot_or_dash (var->id))
2855	var->err \|= VARIANT_BAD_BRACKETING;
2856
2857	/ Check using of hidden symbols. /
2858	if (var->hidden_by)
2859	var->err \|= VARIANT_HIDDEN;
2860
2861	if (!var->err)
2862	{
2863	valid_variant_index = i;
2864	++valid_variants;
2865	}
2866	}
2867
2868	switch (valid_variants)
2869	{
2870	case `0`:
2871	{
2872	unsigned len = (explicit_bracketing \|\| !ref_tail_fields) ?
2873	cp_end - cp : ref_tail_fields - cp;
2874	unsigned indent = `0`;
2875
2876	complain_indent (&text_loc, complaint, &indent,
2877	_("invalid reference: %s"), quote (text));
2878	indent += SUB_INDENT;
2879	if (len == `0`)
2880	{
2881	location sym_loc = text_loc;
2882	sym_loc.start.column += `1`;
2883	sym_loc.end = sym_loc.start;
2884	complain_indent (&sym_loc, complaint, &indent,
2885	_("syntax error after '%c', expecting integer, "
2886	"letter, '_', '[', or '$'"),
2887	dollar_or_at);
2888	}
2889	else if (midrule_rhs_index)
2890	complain_indent (&rule->rhs_loc, complaint, &indent,
2891	_("symbol not found in production before $%d: "
2892	"%.*s"),
2893	midrule_rhs_index, len, cp);
2894	else
2895	complain_indent (&rule->rhs_loc, complaint, &indent,
2896	_("symbol not found in production: %.*s"),
2897	len, cp);
2898
2899	if (variant_count > `0`)
2900	show_sub_messages (complaint,
2901	cp, explicit_bracketing, midrule_rhs_index,
2902	dollar_or_at, indent);
2903	return INVALID_REF;
2904	}
2905	case `1`:
2906	{
2907	unsigned indent = `0`;
2908	if (variant_count > `1`)
2909	{
2910	complain_indent (&text_loc, Wother, &indent,
2911	_("misleading reference: %s"), quote (text));
2912	show_sub_messages (Wother,
2913	cp, explicit_bracketing, midrule_rhs_index,
2914	dollar_or_at, indent + SUB_INDENT);
2915	}
2916	{
2917	unsigned symbol_index =
2918	variant_table[valid_variant_index].symbol_index;
2919	return (symbol_index == midrule_rhs_index) ? LHS_REF : symbol_index;
2920	}
2921	}
2922	case `2`:
2923	default:
2924	{
2925	unsigned indent = `0`;
2926	complain_indent (&text_loc, complaint, &indent,
2927	_("ambiguous reference: %s"), quote (text));
2928	show_sub_messages (complaint,
2929	cp, explicit_bracketing, midrule_rhs_index,
2930	dollar_or_at, indent + SUB_INDENT);
2931	return INVALID_REF;
2932	}
2933	}
2934	}
2935
2936	/ Keeps track of the maximum number of semantic values to the left of*
2937	a handle (those referenced by $0, $-1, etc.) are required by the
2938	semantic actions of this grammar. /*
2939	int max_left_semantic_context = `0`;
2940
2941
2942	/ If CP points to a typename (i.e., <.?>), set TYPE_NAME to its
2943	beginning (i.e., after the opening "<", and return the pointer
2944	immediately after it. /*
2945
2946	static
2947	char *
2948	fetch_type_name (char cp, char* const **type_name,
2949	location dollar_loc)
2950	{
2951	if (*cp == `'<'`)
2952	{
2953	*type_name = ++cp;
2954	/ Series of non-'>' or "->". /
2955	while (*cp != `'>'` \|\| cp[-`1`] == `'-'`)
2956	++cp;
2957
2958	/ The '>' symbol will be later replaced by '\0'. Original*
2959	'text' is needed for error messages. /*
2960	++cp;
2961	if (untyped_var_seen)
2962	complain (&dollar_loc, complaint,
2963	_("explicit type given in untyped grammar"));
2964	tag_seen = true;
2965	}
2966	return cp;
2967	}
2968
2969	/------------------------------------------------------------------.*
2970	\| TEXT is pointing to a wannabee semantic value (i.e., a '$'). \|
2971	\| \|
2972	\| Possible inputs: $[<TYPENAME>]($\|integer) \|
2973	\| \|
2974	\| Output to OBSTACK_FOR_STRING a reference to this semantic value. \|
2975	`------------------------------------------------------------------/*
2976
2977	static void
2978	handle_action_dollar (symbol_list rule, char* *text, location dollar_loc)
2979	{
2980	symbol_list *effective_rule;
2981	int effective_rule_length;
2982
2983	if (rule->midrule_parent_rule)
2984	{
2985	effective_rule = rule->midrule_parent_rule;
2986	effective_rule_length = rule->midrule_parent_rhs_index - `1`;
2987	}
2988	else
2989	{
2990	effective_rule = rule;
2991	effective_rule_length = symbol_list_length (rule->next);
2992	}
2993
2994	/ The type name if explicit, otherwise left null. /
2995	char const *type_name = NULL;
2996	char *cp = fetch_type_name (text + `1`, &type_name, dollar_loc);
2997	int n = parse_ref (cp, effective_rule, effective_rule_length,
2998	rule->midrule_parent_rhs_index, text, dollar_loc, `'$'`);
2999	/ End type_name. Don't do it ealier: parse_ref depends on TEXT. /
3000	if (type_name)
3001	cp[-`1`] = `'\0'`;
3002
3003	switch (n)
3004	{
3005	case INVALID_REF:
3006	break;
3007
3008	case LHS_REF:
3009	{
3010	symbol_list *sym = symbol_list_n_get (rule, `0`);
3011	if (!type_name
3012	&& !sym->content.sym->content->type_name)
3013	{
3014	if (union_seen \|\| tag_seen)
3015	{
3016	if (rule->midrule_parent_rule)
3017	complain (&dollar_loc, complaint,
3018	_("$$ for the midrule at $%d of %s"
3019	" has no declared type"),
3020	rule->midrule_parent_rhs_index,
3021	quote (effective_rule->content.sym->tag));
3022	else
3023	complain (&dollar_loc, complaint,
3024	_("$$ of %s has no declared type"),
3025	quote (rule->content.sym->tag));
3026	}
3027	else
3028	untyped_var_seen = true;
3029	}
3030
3031	obstack_printf (&obstack_for_string, "]b4_lhs_value(orig %d, ",
3032	sym->content.sym->content->number);
3033	obstack_quote (&obstack_for_string, type_name);
3034	obstack_sgrow (&obstack_for_string, ")[");
3035	rule->action_props.is_value_used = true;
3036	}
3037	break;
3038
3039	/ Reference to a RHS symbol. /
3040	default:
3041	{
3042	if (max_left_semantic_context < `1` - n)
3043	max_left_semantic_context = `1` - n;
3044	symbol_list *sym = `0` < n ? symbol_list_n_get (effective_rule, n) : NULL;
3045	if (!type_name
3046	&& (!sym \|\| !sym->content.sym->content->type_name))
3047	{
3048	if (union_seen \|\| tag_seen)
3049	complain (&dollar_loc, complaint,
3050	_("$%s of %s has no declared type"), cp,
3051	quote (effective_rule->content.sym->tag));
3052	else
3053	untyped_var_seen = true;
3054	}
3055
3056	obstack_printf (&obstack_for_string,
3057	"]b4_rhs_value(%d, %d, ",
3058	effective_rule_length, n);
3059	if (sym)
3060	obstack_printf (&obstack_for_string, "%s%d, ",
3061	sym->content.sym->content->class == nterm_sym ? "orig " : "",
3062	sym->content.sym->content->number);
3063	else
3064	obstack_sgrow (&obstack_for_string, "[], ");
3065
3066	obstack_quote (&obstack_for_string, type_name);
3067	obstack_sgrow (&obstack_for_string, ")[");
3068	if (`0` < n)
3069	{
3070	if (muscle_percent_define_ifdef ("api.value.automove")
3071	&& sym->action_props.is_value_used)
3072	complain (&dollar_loc, Wother,
3073	_("multiple occurrences of $%d with api.value.automove"),
3074	n);
3075	sym->action_props.is_value_used = true;
3076	}
3077	}
3078	break;
3079	}
3080	}
3081
3082
3083	/------------------------------------------------------.*
3084	\| TEXT is a location token (i.e., a '@...'). Output to \|
3085	\| OBSTACK_FOR_STRING a reference to this location. \|
3086	`------------------------------------------------------/*
3087
3088	static void
3089	handle_action_at (symbol_list rule, char* *text, location at_loc)
3090	{
3091	symbol_list *effective_rule;
3092	int effective_rule_length;
3093
3094	if (rule->midrule_parent_rule)
3095	{
3096	effective_rule = rule->midrule_parent_rule;
3097	effective_rule_length = rule->midrule_parent_rhs_index - `1`;
3098	}
3099	else
3100	{
3101	effective_rule = rule;
3102	effective_rule_length = symbol_list_length (rule->next);
3103	}
3104
3105	muscle_percent_define_ensure("locations", at_loc, true);
3106
3107	int n = parse_ref (text + `1`, effective_rule, effective_rule_length,
3108	rule->midrule_parent_rhs_index, text, at_loc, `'@'`);
3109	switch (n)
3110	{
3111	case INVALID_REF:
3112	break;
3113
3114	case LHS_REF:
3115	obstack_sgrow (&obstack_for_string, "]b4_lhs_location[");
3116	break;
3117
3118	default:
3119	obstack_printf (&obstack_for_string, "]b4_rhs_location(%d, %d)[",
3120	effective_rule_length, n);
3121	break;
3122	}
3123	}
3124
3125
3126	/-------------------------.*
3127	\| Initialize the scanner. \|
3128	`-------------------------/*
3129
3130	/ Translate the '$...' and '@...' in \a self, in the context \a*
3131	sc_context (SC_RULE_ACTION, SC_SYMBOL_ACTION, INITIAL). /*
3132
3133	static char const *
3134	translate_action (code_props self, int* sc_context)
3135	{
3136	static bool initialized = false;
3137	if (!initialized)
3138	{
3139	obstack_init (&obstack_for_string);
3140	yy_flex_debug = `0`;
3141	initialized = true;
3142	}
3143
3144	loc->start = loc->end = self->location.start;
3145	yy_switch_to_buffer (yy_scan_string (self->code));
3146	char *res = code_lex (self, sc_context);
3147	yy_delete_buffer (YY_CURRENT_BUFFER);
3148
3149	return res;
3150	}
3151
3152	/------------------------------------------------------------------------.*
3153	\| Implementation of the public interface as documented in "scan-code.h". \|
3154	`------------------------------------------------------------------------/*
3155
3156	void
3157	code_props_none_init (code_props *self)
3158	{
3159	*self = code_props_none;
3160	}
3161
3162	code_props code_props_none = CODE_PROPS_NONE_INIT;
3163
3164	void
3165	code_props_plain_init (code_props self, char* const *code,
3166	location code_loc)
3167	{
3168	code_props_none_init (self);
3169	self->kind = CODE_PROPS_PLAIN;
3170	self->code = code;
3171	self->location = code_loc;
3172	}
3173
3174	void
3175	code_props_symbol_action_init (code_props self, char* const *code,
3176	location code_loc)
3177	{
3178	code_props_none_init (self);
3179	self->kind = CODE_PROPS_SYMBOL_ACTION;
3180	self->code = code;
3181	self->location = code_loc;
3182	}
3183
3184	void
3185	code_props_rule_action_init (code_props self, char* const *code,
3186	location code_loc, symbol_list *rule,
3187	named_ref *name, uniqstr type,
3188	bool is_predicate)
3189	{
3190	code_props_none_init (self);
3191	self->kind = CODE_PROPS_RULE_ACTION;
3192	self->code = code;
3193	self->location = code_loc;
3194	self->rule = rule;
3195	self->named_ref = name;
3196	self->type = type;
3197	self->is_predicate = is_predicate;
3198	}
3199
3200	void
3201	code_props_translate_code (code_props *self)
3202	{
3203	switch (self->kind)
3204	{
3205	case CODE_PROPS_NONE:
3206	break;
3207	case CODE_PROPS_PLAIN:
3208	self->code = translate_action (self, INITIAL);
3209	break;
3210	case CODE_PROPS_SYMBOL_ACTION:
3211	self->code = translate_action (self, SC_SYMBOL_ACTION);
3212	break;
3213	case CODE_PROPS_RULE_ACTION:
3214	self->code = translate_action (self, SC_RULE_ACTION);
3215	break;
3216	}
3217	}
3218
3219	void
3220	code_scanner_last_string_free (void)
3221	{
3222	STRING_FREE;
3223	}
3224
3225	void
3226	code_scanner_free (void)
3227	{
3228	obstack_free (&obstack_for_string, `0`);
3229	variant_table_free ();
3230
3231	/ Reclaim Flex's buffers. /
3232	yylex_destroy ();
3233	}
3234
3235

Browse the source code of bison/src/scan-code.c