Files
bison/tests/push.at
Joel E. Denny f37495f601 %define: accept unquoted values.
* NEWS (2.5): Group all %define changes together, and document
this one.  Remove quotes in IELR and canonical LR entry.
* doc/bison.texinfo: Remove quotes in most examples throughout.
(Decl Summary): Update %define documentation.
(Table of Symbols): Likewise.
* src/ielr.c (LrType): Update documentation.
* src/parse-gram.y (content.opt): Add production for ID.
* tests/calc.at: Likewise.
* tests/existing.at: Likewise.
* tests/input.at: Likewise.
* tests/local.at: Likewise.
* tests/push.at: Likewise.
* tests/reduce.at: Likewise.
* tests/torture.at: Likewise.
(cherry picked from commit cf499cff31)

Conflicts:

	doc/bison.texinfo
	src/parse-gram.c
	src/parse-gram.h
	tests/actions.at
	tests/calc.at
2009-08-28 08:04:11 -04:00

169 lines
3.5 KiB
Plaintext

# Checking Push Parsing. -*- Autotest -*-
# Copyright (C) 2007, 2009 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Push Parsing Tests]])
## ---------------------------------------------- ##
## Push Parsing: Memory Leak for Early Deletion. ##
## ---------------------------------------------- ##
AT_SETUP([[Push Parsing: Memory Leak for Early Deletion]])
# Requires Valgrind.
AT_DATA_GRAMMAR([[input.y]],
[[
%{
#include <assert.h>
#include <stdio.h>
#define YYINITDEPTH 1
void yyerror (char const *msg);
%}
%define api.pure %define api.push-pull push
%%
start: 'a' 'b' 'c' ;
%%
void
yyerror (char const *msg)
{
fprintf (stderr, "%s\n", msg);
}
int
main (void)
{
yypstate *ps;
/* Make sure we don't try to free ps->yyss in this case. */
ps = yypstate_new ();
yypstate_delete (ps);
/* yypstate_delete used to leak ps->yyss if the stack was reallocated but the
parse did not return on success, syntax error, or memory exhaustion. */
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
yypstate_delete (ps);
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
assert (yypush_parse (ps, 'b', NULL) == YYPUSH_MORE);
yypstate_delete (ps);
return 0;
}
]])
AT_BISON_CHECK([[-o input.c input.y]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
AT_CLEANUP
## ----------------------------------------- ##
## Push Parsing: Multiple impure instances. ##
## ----------------------------------------- ##
AT_SETUP([[Push Parsing: Multiple impure instances]])
m4_pushdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK], [
AT_DATA_GRAMMAR([[input.y]],
[[
%{
#include <assert.h>
#include <stdio.h>
void yyerror (char const *msg);
int yylex (void);
%}
%define api.push-pull ]$1[
%%
start: ;
%%
void
yyerror (char const *msg)
{
fprintf (stderr, "%s\n", msg);
}
int
yylex (void)
{
return 0;
}
int
main (void)
{
yypstate *ps;
int i;
for (i = 0; i < 2; ++i)
{
ps = yypstate_new ();
assert (ps);
assert (yypstate_new () == NULL);
]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
yychar = 0;
assert (yypush_parse (ps) == 0);
assert (yypstate_new () == NULL);
]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
yypstate_delete (ps);
}
return 0;
}
]])
AT_BISON_CHECK([[-o input.c input.y]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
])
AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[both]])
AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[push]])
m4_popdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK])
AT_CLEANUP
## ------------------------------------- ##
## Push Parsing: Unsupported Skeletons. ##
## ------------------------------------- ##
AT_SETUP([[Push Parsing: Unsupported Skeletons]])
AT_DATA([[input.y]],
[[%glr-parser
%define api.push-pull push
%%
start: ;
]])
AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:2.9-21: warning: %define variable `api.push-pull' is not used
]])
AT_CLEANUP