X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5683e9b26a07ed29b94b37c807c4c524853feed4..28169bab1f6f2fc9d682118703f6267c63583720:/tests/synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index a1243511..56efdac6 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,23 +1,53 @@
 # Executing Actions.                               -*- Autotest -*-
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004, 2005, 2007, 2009 Free Software Foundation,
+# Inc.
 
-# This program is free software; you can redistribute it and/or modify
+# 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.
-
+# 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) triger 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"
+#
+AT_CHECK([[sed -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
@@ -25,23 +55,34 @@ AT_BANNER([[User Actions.]])
 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, [], [stderr])
-# In case GCC displays column information, strip it down.
+# 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:
 #
-#   input.y:4:2: #error "4"    or input.y:4.2: #error "4"
-# =>
-#   input.y:4: #error "4"
+# | 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
 #
-AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]],
-         0, [$3])
+# 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"
+]])
+
+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_CLEANUP
 ])
 
@@ -71,6 +112,7 @@ exp: '0';
 AT_TEST_SYNCLINE([%union synch line],
 [[%union {
 #error "2"
+  char dummy;
 }
 %{
 void yyerror (const char *s);