Renaming file to glr.c.

[bison.git] / tests / synclines.at

# Executing Actions.                               -*- Autotest -*-
# Copyright (C) 2002 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([[User Actions.]])

# AT_TEST_SYNCLINE(TITLE, INPUT, ERROR-MSG)
# -----------------------------------------
# Check that compiling the parser produced from INPUT cause GCC
# to issue ERROR-MSG.
m4_define([AT_TEST_SYNCLINE],
[AT_SETUP([$1])

# I'm not sure I can find a generic scheme to check the location
# of an error, so we keep this for GCC only.
AT_CHECK([test "$GCC" = yes || exit 77])

AT_DATA([[input.y]],
[$2])

AT_CHECK([bison input.y -o input.c])
AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c], 1, [], [stderr])
# In case GCC displays column information, strip it down.
#
#   input.y:4:2: #error "4"    or input.y:4.2: #error "4"
# =>
#   input.y:4: #error "4"
#
AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]],
         0, [$3])
AT_CLEANUP
])


## --------------------- ##
## Prologue synch line.  ##
## --------------------- ##


AT_TEST_SYNCLINE([Prologue synch line],
[[%{
#error "2"
void yyerror (const char *s);
int yylex (void);
%}
%%
exp: '0';
]],
[input.y:2: #error "2"
])


## ------------------- ##
## %union synch line.  ##
## ------------------- ##

AT_TEST_SYNCLINE([%union synch line],
[[%union {
#error "2"
}
%{
void yyerror (const char *s);
int yylex (void);
%}
%%
exp: '0';
]],
[input.y:2: #error "2"
])


## ------------------------- ##
## Postprologue synch line.  ##
## ------------------------- ##

AT_TEST_SYNCLINE([Postprologue synch line],
[[%{
void yyerror (const char *s);
int yylex (void);
%}
%union
{
  int ival;
}
%{
#error "10"
%}
%%
exp: '0';
]],
[input.y:10: #error "10"
])


## ------------------- ##
## Action synch line.  ##
## ------------------- ##

AT_TEST_SYNCLINE([Action synch line],
[[%{
void yyerror (const char *s);
int yylex (void);
%}
%%
exp:
{
#error "8"
};
]],
[input.y:8: #error "8"
])


## --------------------- ##
## Epilogue synch line.  ##
## --------------------- ##

AT_TEST_SYNCLINE([Epilogue synch line],
[[%{
void yyerror (const char *s);
int yylex (void);
%}
%%
exp: '0';
%%
#error "8"
]],
[input.y:8: #error "8"
])