src/location.h

/* Locations for Bison
   Copyright (C) 2002 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 LOCATION_H_
# define LOCATION_H_

/* A boundary between two characters.  */
typedef struct
{
  /* The name of the file that contains the boundary.  */
  char const *file;

  /* The (origin-1) line that contains the boundary.  */
  int line;

  /* The (origin-1) column just after the boundary.  This is neither a
     byte count, nor a character count; it is a column count.  */
  int column;

} boundary;

/* Return nonzero if A and B are equal boundaries.  */
static inline bool
equal_boundaries (boundary a, boundary b)
{
  return (a.column == b.column
	  && a.line == b.line
	  && a.file == b.file);
}

/* A location, that is, a region of source code.  */
typedef struct
{
  /* Boundary just before the location starts.  */
  boundary start;

  /* Boundary just after the location ends.  */
  boundary end;

} location_t;

#define YYLTYPE location_t

extern location_t const empty_location;

void location_print (FILE *, location_t);

#endif /* ! defined LOCATION_H_ */
Commit	Line	Data
	1	/* Locations for Bison
	2	Copyright (C) 2002 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
	7	it 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,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU 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
	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
	20
	21	#ifndef LOCATION_H_
	22	# define LOCATION_H_
	23
	24	/* A boundary between two characters. */
	25	typedef struct
	26	{
	27	/* The name of the file that contains the boundary. */
	28	char const *file;
	29
	30	/* The (origin-1) line that contains the boundary. */
	31	int line;
	32
	33	/* The (origin-1) column just after the boundary. This is neither a
	34	byte count, nor a character count; it is a column count. */
	35	int column;
	36
	37	} boundary;
	38
	39	/* Return nonzero if A and B are equal boundaries. */
	40	static inline bool
	41	equal_boundaries (boundary a, boundary b)
	42	{
	43	return (a.column == b.column
	44	&& a.line == b.line
	45	&& a.file == b.file);
	46	}
	47
	48	/* A location, that is, a region of source code. */
	49	typedef struct
	50	{
	51	/* Boundary just before the location starts. */
	52	boundary start;
	53
	54	/* Boundary just after the location ends. */
	55	boundary end;
	56
	57	} location_t;
	58
	59	#define YYLTYPE location_t
	60
	61	extern location_t const empty_location;
	62
	63	void location_print (FILE *, location_t);
	64
	65	#endif /* ! defined LOCATION_H_ */