src/skeleton.h

/* Parse Bison Skeletons.
   Copyright (C) 2001  Free Software Foundation, Inc.

   This file is part of Bison, the GNU Compiler Compiler.

   Bison is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   Bison is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Bison; see the file COPYING.  If not, write to the Free
   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

#ifndef SKELETON_H_
# define SKELETON_H_

# include "parse-skel.h"

/* Initialize LOC. */
# define LOCATION_RESET(Loc)                  \
  (Loc).first_column = (Loc).first_line = 1;  \
  (Loc).last_column =  (Loc).last_line = 1;

/* Advance of NUM lines. */
# define LOCATION_LINES(Loc, Num)             \
  (Loc).last_column = 1;                      \
  (Loc).last_line += Num;

/* Restart: move the first cursor to the last position. */
# define LOCATION_STEP(Loc)                   \
  (Loc).first_column = (Loc).last_column;     \
  (Loc).first_line = (Loc).last_line;

/* Output LOC on the stream OUT. */
# define LOCATION_PRINT(Out, Loc)                               \
  if ((Loc).first_line != (Loc).last_line)                      \
    fprintf (Out, "%d.%d-%d.%d",                                \
             (Loc).first_line, (Loc).first_column,              \
             (Loc).last_line, (Loc).last_column - 1);           \
  else if ((Loc).first_column < (Loc).last_column - 1)          \
    fprintf (Out, "%d.%d-%d", (Loc).first_line,                 \
             (Loc).first_column, (Loc).last_column - 1);        \
  else                                                          \
    fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column)


/* Pure parsers need to pass arguments to yyparse. */
typedef struct skel_control_s
{
  /* For the time being, nothing.  */
} skel_control_t;

/* From parse-skel.y. */
extern int skel_debug;
void skel_error PARAMS ((skel_control_t *control,
			 const yyltype *loc, const char *msg));
void process_skeleton PARAMS ((const char* skel));

/* From scan-skel.l. */
extern int skel__flex_debug;

/* Renamed yyin. */
extern FILE* skel_in;

# define YY_DECL \
  int skel_lex PARAMS ((yystype *yylval, yyltype *yylloc))
YY_DECL;

#endif SKELETON_H_
Commit	Line	Data
	1	/* Parse Bison Skeletons.
	2	Copyright (C) 2001 Free Software Foundation, Inc.
	3
	4	This file is part of Bison, the GNU Compiler Compiler.
	5
	6	Bison is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	Bison is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with Bison; see the file COPYING. If not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	19	02111-1307, USA. */
	20
	21	#ifndef SKELETON_H_
	22	# define SKELETON_H_
	23
	24	# include "parse-skel.h"
	25
	26	/* Initialize LOC. */
	27	# define LOCATION_RESET(Loc) \
	28	(Loc).first_column = (Loc).first_line = 1; \
	29	(Loc).last_column = (Loc).last_line = 1;
	30
	31	/* Advance of NUM lines. */
	32	# define LOCATION_LINES(Loc, Num) \
	33	(Loc).last_column = 1; \
	34	(Loc).last_line += Num;
	35
	36	/* Restart: move the first cursor to the last position. */
	37	# define LOCATION_STEP(Loc) \
	38	(Loc).first_column = (Loc).last_column; \
	39	(Loc).first_line = (Loc).last_line;
	40
	41	/* Output LOC on the stream OUT. */
	42	# define LOCATION_PRINT(Out, Loc) \
	43	if ((Loc).first_line != (Loc).last_line) \
	44	fprintf (Out, "%d.%d-%d.%d", \
	45	(Loc).first_line, (Loc).first_column, \
	46	(Loc).last_line, (Loc).last_column - 1); \
	47	else if ((Loc).first_column < (Loc).last_column - 1) \
	48	fprintf (Out, "%d.%d-%d", (Loc).first_line, \
	49	(Loc).first_column, (Loc).last_column - 1); \
	50	else \
	51	fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column)
	52
	53
	54	/* Pure parsers need to pass arguments to yyparse. */
	55	typedef struct skel_control_s
	56	{
	57	/* For the time being, nothing. */
	58	} skel_control_t;
	59
	60	/* From parse-skel.y. */
	61	extern int skel_debug;
	62	void skel_error PARAMS ((skel_control_t *control,
	63	const yyltype loc, const char msg));
	64	void process_skeleton PARAMS ((const char* skel));
	65
	66	/* From scan-skel.l. */
	67	extern int skel__flex_debug;
	68
	69	/* Renamed yyin. */
	70	extern FILE* skel_in;
	71
	72	# define YY_DECL \
	73	int skel_lex PARAMS ((yystype yylval, yyltype yylloc))
	74	YY_DECL;
	75
	76	#endif SKELETON_H_