# Executing Actions. -*- Autotest -*-
-# Copyright 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.
+# Copyright (C) 2002, 2004-2005, 2007, 2009-2012 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[User Actions.]])
+
+# AT_SYNCLINES_COMPILE(FILE)
+# --------------------------
+# Compile FILE expecting an error, and save in the file stdout the
+# normalized output. Ignore the exit status, since some compilers
+# (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of
+# errors.
+m4_define([AT_SYNCLINES_COMPILE],
+[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])
+# In case GCC displays column information, strip it down.
+#
+# input.y:4:2: #error "4" or
+# input.y:4.2: #error "4" or
+# input.y:4:2: error: #error "4"
+# =>
+# input.y:4: #error "4"
+#
+# It may also issue more context information:
+#
+# input.y: In function 'yyparse':
+# input.y:8: #error "8"
+# =>
+# input.y:4: #error "8"
+#
+#
+# And possibly distcc adds its bits.
+#
+# distcc[33187] ERROR: compile (null) on localhost failed
+# syncline.c:1:2: error: #error "1"
+# distcc[33185] ERROR: compile syncline.c on localhost failed
+#
+# or even
+#
+# distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host
+# distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead
+
+AT_CHECK([[sed -e '/^distcc\[[0-9]*\] /d' \
+ -e 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' \
+ -e 's/^\([^:]*:[^:]*:\)[^@%:@]*\( @%:@error\)/\1\2/' \
+ -e "/^[^:]*: In function '[^\']*':$/d" \
+ stderr]],
+ 0, [stdout])
+])
+
# 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 -o input], 1, [], [$3])
+AT_BISON_OPTION_PUSHDEFS
+# It seems impossible to find a generic scheme to check the location
+# of an error. Even requiring GCC is not sufficient, since for instance
+# the version modified by Apple:
+#
+# | Reading specs from /usr/libexec/gcc/darwin/ppc/2.95.2/specs
+# | Apple Computer, Inc. version gcc-934.3, based on gcc version 2.95.2
+# | 19991024 (release) configure:2124: $? = 0
+#
+# instead of:
+#
+# | input.y:2: #error "2"
+#
+# it reports:
+#
+# | input.y:2: "2"
+# | cpp-precomp: warning: errors during smart preprocessing, retrying in basic mode
+
+AT_DATA([syncline.c],
+[[#error "1"
+int i; // avoids -pedantic warning about an empty translation unit
+]])
+
+AT_SYNCLINES_COMPILE([syncline.c])
+AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]])
+
+AT_DATA([[input.y]], [$2])
+AT_BISON_CHECK([-o input.c input.y])
+AT_SYNCLINES_COMPILE([input.c])
+AT_CHECK([cat stdout], 0, [$3])
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])
AT_TEST_SYNCLINE([Prologue synch line],
[[%{
#error "2"
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
exp: '0';
+%%
]],
[input.y:2: #error "2"
])
AT_TEST_SYNCLINE([%union synch line],
[[%union {
#error "2"
+ char dummy;
}
+%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
%%
exp: '0';
+%%
]],
[input.y:2: #error "2"
])
AT_TEST_SYNCLINE([Postprologue synch line],
[[%{
-/* Nothing here. */
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%union
{
int ival;
}
%{
-#error "9"
+#error "10"
%}
%%
exp: '0';
+%%
]],
-[input.y:9: #error "9"
+[input.y:10: #error "10"
])
## ------------------- ##
AT_TEST_SYNCLINE([Action synch line],
-[[%%
+[[%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%
exp:
{
-#error "4"
+#error "8"
};
]],
-[input.y:4: #error "4"
+[input.y:8: #error "8"
])
## --------------------- ##
AT_TEST_SYNCLINE([Epilogue synch line],
-[[%%
+[[%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%
exp: '0';
%%
-#error "4"
+#error "8"
]],
-[input.y:4: #error "4"
+[input.y:8: #error "8"
])
projects / bison.git / blobdiff