# Checking the output filenames.                    -*- Autotest -*-

# Copyright (C) 2000-2002, 2005-2012 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([[Output file names.]])


# AT_CHECK_OUTPUT(INPUT-FILE, [DIRECTIVES], [FLAGS], EXPECTED-FILES, [SHELLIO],
#                 [ADDITIONAL-TESTS], [PRE-TESTS])
# -----------------------------------------------------------------------------
m4_define([AT_CHECK_OUTPUT],
[AT_SETUP([[Output files: $2 $3 $5]])
$7
for file in $1 $4; do
  case "$file" in
    */*) mkdir -p `echo "$file" | sed 's,/.*,,'`;;
  esac
done
AT_DATA([$1],
[[$2
%%
foo: {};
]])

AT_BISON_CHECK([$3 $1 $5], 0)
AT_CHECK([ls $4], [], [ignore])
$6
AT_CLEANUP
])

AT_CHECK_OUTPUT([foo.y], [], [-dv],
		[foo.output foo.tab.c foo.tab.h])

# Some versions of Valgrind (at least valgrind-3.6.0.SVN-Debian) report
# "fgrep: write error: Bad file descriptor" when stdout is closed, so we
# skip this test group during maintainer-check-valgrind.
AT_CHECK_OUTPUT([foo.y], [], [-dv],
		[foo.output foo.tab.c foo.tab.h],
		[>&-], [],
		[AT_CHECK([[case "$PREBISON" in *valgrind*) exit 77;; esac]])])

AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.c],
		[foo.c foo.h foo.output])
AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.tab.c],
		[foo.output foo.tab.c foo.tab.h])
AT_CHECK_OUTPUT([foo.y], [], [-dv -y],
		[y.output y.tab.c y.tab.h])
AT_CHECK_OUTPUT([foo.y], [], [-dv -b bar],
		[bar.output bar.tab.c bar.tab.h])
AT_CHECK_OUTPUT([foo.y], [], [-dv -g -o foo.c],
		[foo.c foo.dot foo.h foo.output])


AT_CHECK_OUTPUT([foo.y], [%defines %verbose],      [],
		[foo.output foo.tab.c foo.tab.h])
AT_CHECK_OUTPUT([foo.y], [%defines %verbose %yacc],[],
		[y.output y.tab.c y.tab.h])

AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[],
		[y.output y.tab.c y.tab.h])

# Exercise %output and %file-prefix including deprecated '='
AT_CHECK_OUTPUT([foo.y], [%file-prefix "bar" %defines %verbose],      [],
		[bar.output bar.tab.c bar.tab.h])
AT_CHECK_OUTPUT([foo.y], [%output="bar.c" %defines %verbose %yacc],[],
		[bar.output bar.c bar.h])
AT_CHECK_OUTPUT([foo.y],
		[%file-prefix="baz" %output "bar.c" %defines %verbose %yacc],
		[],
		[bar.output bar.c bar.h])


# Check priorities of extension control.
AT_CHECK_OUTPUT([foo.yy], [%defines %verbose], [],
		[foo.output foo.tab.cc foo.tab.hh])

AT_CHECK_OUTPUT([foo.yy], [%defines %verbose ], [-o foo.c],
		[foo.c foo.h foo.output])

AT_CHECK_OUTPUT([foo.yy], [],
		[--defines=foo.hpp -o foo.c++],
		[foo.c++ foo.hpp])

AT_CHECK_OUTPUT([foo.yy], [%defines "foo.hpp"],
		[-o foo.c++],
		[foo.c++ foo.hpp])

AT_CHECK_OUTPUT([foo.yy], [],
		[-o foo.c++ --graph=foo.gph],
		[foo.c++ foo.gph])


## ------------ ##
## C++ output.  ##
## ------------ ##

m4_define([AT_CHECK_NO_SUBDIR_PART],
[# Also make sure that the includes do not refer to the subdirectory.
AT_CHECK([grep 'include .subdir/' $1.cc], 1, [])
AT_CHECK([grep 'include .subdir/' $1.hh], 1, [])
])

AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
		[foo.tab.cc foo.tab.hh foo.output location.hh stack.hh position.hh])

AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
		[foo.tab.cc foo.tab.hh foo.output location.hh stack.hh position.hh],
		[], [AT_CHECK_NO_SUBDIR_PART([foo.tab])])

AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose],
		[-o subdir/foo.cc],
		[subdir/foo.cc subdir/foo.hh subdir/foo.output subdir/location.hh subdir/stack.hh subdir/position.hh],
		[], [AT_CHECK_NO_SUBDIR_PART([subdir/foo])])

AT_CHECK_OUTPUT([gram_dir/foo.yy],
                [%skeleton "lalr1.cc" %defines %verbose %file-prefix "output_dir/foo"],
                [],
		[output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/foo.output output_dir/location.hh output_dir/stack.hh output_dir/position.hh])


# AT_CHECK_CONFLICTING_OUTPUT(INPUT-FILE, DIRECTIVES, FLAGS, STDERR,
#                             [EXIT-STATUS])
# ------------------------------------------------------------------
m4_define([AT_CHECK_CONFLICTING_OUTPUT],
[AT_SETUP([Conflicting output files: $2 $3])
case "$1" in
  */*) mkdir `echo "$1" | sed 's,/.*,,'`;;
esac
AT_DATA([$1],
[[$2
%%
foo: {};
]])

[cp ]$1[ expout]
# Because an output file name conflict is still a warning, Bison exits
# with status 0, so AT_BISON_CHECK does not realize that there may be no
# output file against which to check the XML.  AT_BISON_CHECK_NO_XML
# avoids that problem.
AT_BISON_CHECK_NO_XML([$3 $1], $5, [], [$4])
AT_CHECK([[cat $1]], [[0]], [expout])
AT_CLEANUP
])

AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[], [--graph="foo.tab.c"],
[foo.y: warning: conflicting outputs to file 'foo.tab.c'
])

AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%defines "foo.output"], [-v],
[foo.y: warning: conflicting outputs to file 'foo.output'
])

AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%skeleton "lalr1.cc" %defines], [--graph="location.hh"],
[foo.y: warning: conflicting outputs to file 'location.hh'
])

AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
[foo.y: error: refusing to overwrite the input file 'foo.y'
], 1)


# AT_CHECK_OUTPUT_FILE_NAME(FILE-NAME-PREFIX, [ADDITIONAL-TESTS])
# ---------------------------------------------------------------
m4_define([AT_CHECK_OUTPUT_FILE_NAME],
[AT_SETUP([Output file name: $1])

AT_BISON_OPTION_PUSHDEFS
# Skip if platform doesn't support file name.  For example, Cygwin
# doesn't support file names containing ":" or "\".
AT_CHECK([[touch "]AS_ESCAPE([$1[.tmp]])[" || exit 77]])

AT_DATA_GRAMMAR([glr.y],
[[%glr-parser
%code {
]AT_YYERROR_DECLARE_EXTERN[
]AT_YYLEX_DECLARE_EXTERN[
}
%%
start: {};
]])
AT_BISON_CHECK([-o "AS_ESCAPE([$1.c])" --defines="AS_ESCAPE([$1.h])" glr.y])
AT_CHECK([ls "AS_ESCAPE([$1.c])" "AS_ESCAPE([$1.h])"], [], [ignore])
AT_COMPILE([glr.o], [-c "AS_ESCAPE([$1.c])"])
$2

AT_DATA_GRAMMAR([cxx.y],
[[%skeleton "lalr1.cc"
%code { int yylex (yy::parser::semantic_type*); }
%%
start: {};
]])
AT_BISON_CHECK([-o "AS_ESCAPE([$1.c])" --defines="AS_ESCAPE([$1.h])" cxx.y])
AT_CHECK([ls "AS_ESCAPE([$1.c])" "AS_ESCAPE([$1.h])"], [], [ignore])
AT_COMPILE_CXX([cxx.o], [-c "AS_ESCAPE([$1.c])"])
$2

AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])

# Notice that the header file name here cannot contain
# '"' since FILENAME in '#include "FILENAME"' cannot.
AT_CHECK_OUTPUT_FILE_NAME([[`~!@#$%^&*()-=_+{}[]|\:;<>, .']])
dnl Work around a bug in m4_expand that broke AT_SETUP in autoconf 2.62,
dnl by using the definition from 2.63.
m4_version_prereq([2.63], [],
[m4_define([m4_expand], [_$0(-=<{($1)}>=-)])
m4_define([_m4_expand],
[m4_changequote([-=<{(], [)}>=-])$1m4_changequote([, ])])])
AT_CHECK_OUTPUT_FILE_NAME([[(]])
AT_CHECK_OUTPUT_FILE_NAME([[)]])
AT_CHECK_OUTPUT_FILE_NAME([[@%:@]])
AT_CHECK_OUTPUT_FILE_NAME([[@@]])
AT_CHECK_OUTPUT_FILE_NAME([[@{]])
AT_CHECK_OUTPUT_FILE_NAME([[@}]])
AT_CHECK_OUTPUT_FILE_NAME([[@<:@]])
AT_CHECK_OUTPUT_FILE_NAME([[@:>@]])