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b1ae9233bc
cannot be NULL, not XFREE. (pack_vector): Use assert, not fatal, for bound violations. * src/state.c (state_new): Likewise. * src/reader.c (reader): Likewise. * src/lalr.c (set_goto_map): Likewise. * src/location.h (LOCATION_PRINT): If first_line is 0, just issue the file name.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* Locations for Bison
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Bison is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bison; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef LOCATION_H_
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# define LOCATION_H_
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# include "quotearg.h"
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typedef struct location_s
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{
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const char *file;
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int first_line;
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int first_column;
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int last_line;
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int last_column;
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} location_t;
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#define YYLTYPE location_t
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/* Initialize LOC. */
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# define LOCATION_RESET(Loc) \
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do { \
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(Loc).file = NULL; \
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(Loc).first_column = (Loc).first_line = 1; \
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(Loc).last_column = (Loc).last_line = 1; \
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} while (0)
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/* Restart: move the first cursor to the last position. */
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# define LOCATION_STEP(Loc) \
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do { \
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(Loc).first_column = (Loc).last_column; \
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(Loc).first_line = (Loc).last_line; \
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} while (0)
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/* Output LOC on the stream OUT.
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Warning: it uses quotearg's slot 3. */
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# define LOCATION_PRINT(Out, Loc) \
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do { \
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fprintf (stderr, "%s:", quotearg_n_style (3, escape_quoting_style, \
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(Loc).file)); \
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if ((Loc).first_line) \
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{ \
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if ((Loc).first_line != (Loc).last_line) \
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fprintf (Out, "%d.%d-%d.%d", \
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(Loc).first_line, (Loc).first_column, \
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(Loc).last_line, (Loc).last_column - 1); \
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else if ((Loc).first_column < (Loc).last_column - 1) \
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fprintf (Out, "%d.%d-%d", (Loc).first_line, \
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(Loc).first_column, (Loc).last_column - 1); \
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else \
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fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column); \
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} \
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} while (0)
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extern location_t empty_location;
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#endif /* !LOCATION_H_ */
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