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8efe435c05
(input): Don't try to initialize yylloc here, do it in the scanner. * src/scan-gram.l (YY_USER_INIT): Initialize yylloc. * src/gram.h (rule_t): Change line and action_line into location and action_location, of location_t type. Adjust all dependencies. * src/location.h, src/location.c (empty_location): New. * src/reader.h, src/reader.c (grammar_start_symbol_set) (grammar_symbol_append, grammar_rule_begin, grammar_rule_end) (grammar_current_rule_symbol_append) (grammar_current_rule_action_append): Expect a location as argument. * src/reader.c (grammar_midrule_action): Adjust to attach an action's location as dummy symbol location. * src/symtab.h, src/symtab.c (startsymbol_location): New. * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust the line numbers.
68 lines
2.4 KiB
C
68 lines
2.4 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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typedef struct location_s
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{
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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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(Loc).first_column = (Loc).first_line = 1; \
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(Loc).last_column = (Loc).last_line = 1;
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/* Advance of NUM columns. */
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# define LOCATION_COLUMNS(Loc, Num) \
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(Loc).last_column += Num;
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/* Advance of NUM lines. */
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# define LOCATION_LINES(Loc, Num) \
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(Loc).last_column = 1; \
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(Loc).last_line += Num;
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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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(Loc).first_column = (Loc).last_column; \
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(Loc).first_line = (Loc).last_line;
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/* Output LOC on the stream OUT. */
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# define LOCATION_PRINT(Out, Loc) \
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fprintf (stderr, "%s:", infile); \
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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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extern location_t empty_location;
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#endif /* !LOCATION_H_ */
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