bison/tests/skeletons.at

# Checking skeleton support.                     -*- Autotest -*-
# Copyright (C) 2007 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([[Skeleton Support.]])

## ------------------------------ ##
## Relative skeleton file names.  ##
## ------------------------------ ##

AT_SETUP([[Relative skeleton file names]])

AT_CHECK([[mkdir tmp]])

AT_DATA([[tmp/skel.c]],
[[m4@&t@_divert_push(0)d@&t@nl
@output(b4_parser_file_name@)d@&t@nl
b4_percent_define_get([[test]])
m4@&t@_divert_pop(0)
]])

AT_DATA([[skel.c]],
[[m4@&t@_divert_push(0)d@&t@nl
@output(b4_parser_file_name@)d@&t@nl
b4_percent_define_get([[test]]) -- Local
m4@&t@_divert_pop(0)
]])

AT_DATA([[tmp/input-gram.y]],
[[%skeleton "./skel.c"
%define test "Hello World"
%%
start: ;
]])

AT_DATA([[input-gram.y]],
[[%skeleton "./skel.c"
%define test "Hello World"
%%
start: ;
]])

AT_DATA([[tmp/input-cmd-line.y]],
[[%define test "Hello World"
%%
start: ;
]])

AT_CHECK([[bison tmp/input-gram.y]])
AT_CHECK([[cat input-gram.tab.c]], [[0]],
[[Hello World
]])

AT_CHECK([[bison input-gram.y]])
AT_CHECK([[cat input-gram.tab.c]], [[0]],
[[Hello World -- Local
]])

AT_CHECK([[bison --skeleton=tmp/skel.c tmp/input-cmd-line.y]])
AT_CHECK([[cat input-cmd-line.tab.c]], [[0]],
[[Hello World
]])

AT_CLEANUP


## ------------------------------- ##
## Installed skeleton file names.  ##
## ------------------------------- ##

AT_SETUP([[Installed skeleton file names]])

m4_pushdef([AT_GRAM],
[[%{
  #include <stdio.h>
  void yyerror (char const *msg);
  int yylex (void);
%}

%error-verbose
%token 'a'

%%

start: ;

%%

void
yyerror (char const *msg)
{
  fprintf (stderr, "%s\n", msg);
}

int
yylex (void)
{
  return 'a';
}

int
main (void)
{
  return yyparse ();
}
]])

AT_DATA([[input-cmd-line.y]],
[AT_GRAM])

AT_DATA([[input-gram.y]],
[[%skeleton "yacc.c"]
AT_GRAM])

AT_CHECK([[bison --skeleton=yacc.c -o input-cmd-line.c input-cmd-line.y]])
AT_COMPILE([[input-cmd-line]])
AT_PARSER_CHECK([[./input-cmd-line]], [[1]], [],
[[syntax error, unexpected 'a', expecting $end
]])

AT_CHECK([[bison -o input-gram.c input-gram.y]])
AT_COMPILE([[input-gram]])
AT_PARSER_CHECK([[./input-gram]], [[1]], [],
[[syntax error, unexpected 'a', expecting $end
]])

m4_popdef([AT_GRAM])

AT_CLEANUP


## ------------------------------------------------------ ##
## %define boolean variables: invalid skeleton defaults.  ##
## ------------------------------------------------------ ##

AT_SETUP([[%define boolean variables: invalid skeleton defaults]])

AT_CHECK([[mkdir tmp]])

AT_DATA([[skel.c]],
[[b4_percent_define_default([[foo]], [[bogus value]])
b4_percent_define_flag_if([[foo]])
]])

AT_DATA([[input.y]],
[[%skeleton "./skel.c"
%%
start: ;
]])

AT_CHECK([[bison input.y]], [[1]], [[]],
[[[Bison:b4_percent_define_default]:0.0: invalid value for %define boolean variable `foo'
]])

AT_CLEANUP