* doc/bison.texinfo: Document ability to have multiple

[bison.git] / tests / input.at

# Checking the output filenames.                    -*- 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([[Input Processing.]])

# Mostly test that we are robust to mistakes.


## ----------------------- ##
## Torturing the Scanner.  ##
## ----------------------- ##

AT_SETUP([Torturing the Scanner])

AT_DATA([input.y],
[[%{
/* This is seen in GCC: a %{ and %} in middle of a comment. */
const char *foo = "So %{ and %} can be here.";
%}
/* %{ and %} can be here too. */

%%
exp: 'a';
]])

AT_CHECK([bison input.y])

AT_CLEANUP




## ------------ ##
## Invalid $n.  ##
## ------------ ##

AT_SETUP([Invalid $n])

AT_DATA([input.y],
[[%%
exp: { $$ = $1 ; };
]])

AT_CHECK([bison input.y], [1], [],
[[input.y:2.6-14: invalid value: $1
]])

AT_CLEANUP


## ------------ ##
## Invalid @n.  ##
## ------------ ##

AT_SETUP([Invalid @n])

AT_DATA([input.y],
[[%%
exp: { @$ = @1 ; };
]])

AT_CHECK([bison input.y], [1], [],
[[input.y:2: invalid value: @1
]])

AT_CLEANUP


## -------------- ##
## Type clashes.  ##
## -------------- ##

AT_SETUP([Type clashes])

AT_DATA([input.y],
[[%token foo
%type <bar> exp
%%
exp: foo {} foo
   | foo
   | /* Empty. */
   ;
]])

AT_CHECK([bison input.y], [1], [],
[[input.y:5: type clash (`bar' `') on default action
input.y:6: type clash (`bar' `') on default action
input.y:7: empty rule for typed nonterminal, and no action
]])

AT_CLEANUP