# Executing Actions. -*- 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.
+# 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.
+# 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 $1 -c], 1, [], [stderr])
+[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])
+
+# Transform stderr into something like this:
+#
+# input.y:4: #error "4"
+#
# In case GCC displays column information, strip it down.
#
-# input.y:4:2: #error "4" or input.y:4.2: #error "4"
+# 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"
#
-AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]], 0, [stdout])
+# It may also issue more context information:
+#
+# input.y: In function 'yyparse':
+# input.y:8: #error "8"
+# =>
+# input.y:4: #error "8"
+#
+# The message may include a caret-error:
+#
+# input.y:1:2: error: #error "1"
+# #error "1"
+# ^
+#
+# 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([[perl -p -0777 - stderr <<\EOF
+ s/^distcc\[\d+\] .*\n//gm;
+ s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm;
+ s/^([^:]+:\d+):[^#]*( #error)/$][1:$][2/gm;
+ s/^[^:]*: In function '[^']+':\n//gm;
+ s/^\ +#error.*\n\ *\^\n//gm;
+EOF
+]],
+ 0, [stdout])
])
-# AT_TEST_SYNCLINE(TITLE, INPUT, ERROR-MSG)
-# -----------------------------------------
+# AT_TEST(TITLE, INPUT, ERROR-MSG)
+# --------------------------------
# Check that compiling the parser produced from INPUT cause GCC
# to issue ERROR-MSG.
-m4_define([AT_TEST_SYNCLINE],
+m4_pushdef([AT_TEST],
[AT_SETUP([$1])
-
+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:
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_CHECK([bison input.y -o input.c])
+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
])
-## --------------------- ##
-## Prologue synch line. ##
-## --------------------- ##
+## ------------------- ##
+## Prologue syncline. ##
+## ------------------- ##
-AT_TEST_SYNCLINE([Prologue synch line],
+AT_TEST([Prologue syncline],
[[%{
#error "2"
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
exp: '0';
+%%
]],
[input.y:2: #error "2"
])
-## ------------------- ##
-## %union synch line. ##
-## ------------------- ##
+## ----------------- ##
+## %union syncline. ##
+## ----------------- ##
-AT_TEST_SYNCLINE([%union synch line],
+AT_TEST([%union syncline],
[[%union {
#error "2"
+ char dummy;
}
%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
exp: '0';
+%%
]],
[input.y:2: #error "2"
])
-## ------------------------- ##
-## Postprologue synch line. ##
-## ------------------------- ##
+## ----------------------- ##
+## Postprologue syncline. ##
+## ----------------------- ##
-AT_TEST_SYNCLINE([Postprologue synch line],
+AT_TEST([Postprologue syncline],
[[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%union
{
%}
%%
exp: '0';
+%%
]],
[input.y:10: #error "10"
])
-## ------------------- ##
-## Action synch line. ##
-## ------------------- ##
+## ----------------- ##
+## Action syncline. ##
+## ----------------- ##
-AT_TEST_SYNCLINE([Action synch line],
+AT_TEST([Action syncline],
[[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
exp:
])
-## --------------------- ##
-## Epilogue synch line. ##
-## --------------------- ##
+## ------------------- ##
+## Epilogue syncline. ##
+## ------------------- ##
-AT_TEST_SYNCLINE([Epilogue synch line],
+AT_TEST([Epilogue syncline],
[[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
exp: '0';
]],
[input.y:8: #error "8"
])
+
+m4_popdef([AT_TEST])
projects / bison.git / blobdiff