Files
bison/tests/semantic.at
Akim Demaille bfcf1f3af0 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
* tests/output.at (AT_CHECK_OUTPUT): Likewise.
* tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
* tests/semantic.at (Parsing Guards): Similarly.
* src/reader.at (readgram): Complain if the last rule is not ended
with a semi-colon.
2002-03-04 16:23:35 +00:00

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# Bison Semantic Parsers. -*- Autotest -*-
# Copyright 2001 Free Software Foundation, Inc.
# This program 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.
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
AT_BANNER([[Semantic Parsers.]])
# Well, nothing, or almost, is known about semantic parsers. For the
# time being, just make sure we still parse them properly.
## ---------------- ##
## Parsing Guards. ##
## ---------------- ##
AT_SETUP([Parsing Guards])
AT_DATA([input.y],
[[%semantic-parser
%union {
int ival;
}
%token <ival> INT
%type <ival> exp
%%
exp: exp '+' exp { $$ = $1 + $3 }
| exp '/' exp %guard { if ($3 == 0) yyerror = 1 } { $$ = $1 / $3 }
| INT;
%%
]])
AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore)
AT_CLEANUP