tests: strengthen the trailing spaces check

[bison.git] / tests / synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index ea6f968808fc95cadece7807782a5292e283b098..e2b7005d95fae1a41225aad41eae626d175854cb 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,96 +1,169 @@
 # Executing Actions.                               -*- Autotest -*-
 # 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.
 # 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
 # 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_BANNER([[User Actions.]])
 

-# 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]],
-[$2])
+# AT_SYNCLINES_COMPILE(FILE)
+# --------------------------
+# Compile FILE expecting an error, and save in the file stdout the
+# normalized output.  Ignore the exit status, since some compilers
+# (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of
+# errors.
+m4_define([AT_SYNCLINES_COMPILE],
+[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])

 
 

-AT_CHECK([bison input.y -o input.c])
-AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c], 1, [], [stderr])
+# Transform stderr into something like this:
+#
+#   input.y:4: #error "4"
+#

 # In case GCC displays column information, strip it down.
 #
 # 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"
 #
 # =>
 #   input.y:4: #error "4"
 #

-AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]],
-         0, [$3])
+# 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(TITLE, INPUT, ERROR-MSG)
+# --------------------------------
+# Check that compiling the parser produced from INPUT cause GCC
+# to issue ERROR-MSG.
+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:
+#
+# | 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_CLEANUP
 ])
 
 

-## --------------------- ##
-## Prologue synch line.  ##
-## --------------------- ##
+## ------------------- ##
+## Prologue syncline.  ##
+## ------------------- ##

 
 
 
 

-AT_TEST_SYNCLINE([Prologue synch line],
+AT_TEST([Prologue syncline],

 [[%{
 #error "2"
 [[%{
 #error "2"

-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[

 %}
 %%
 exp: '0';
 %}
 %%
 exp: '0';

+%%

 ]],
 [input.y:2: #error "2"
 ])
 
 
 ]],
 [input.y:2: #error "2"
 ])
 
 

-## ------------------- ##
-## %union synch line.  ##
-## ------------------- ##
+## ----------------- ##
+## %union syncline.  ##
+## ----------------- ##

 
 

-AT_TEST_SYNCLINE([%union synch line],
+AT_TEST([%union syncline],

 [[%union {
 #error "2"
 [[%union {
 #error "2"

+  char dummy;

 }
 %{
 }
 %{

-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[

 %}
 %%
 exp: '0';
 %}
 %%
 exp: '0';

+%%

 ]],
 [input.y:2: #error "2"
 ])
 
 
 ]],
 [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
 {
 %}
 %union
 {


@@ -101,19 +174,20 @@ int yylex (void);
 %}
 %%
 exp: '0';
 %}
 %%
 exp: '0';

+%%

 ]],
 [input.y:10: #error "10"
 ])
 
 
 ]],
 [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:
 %}
 %%
 exp:


@@ -125,14 +199,14 @@ 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';
 %}
 %%
 exp: '0';


@@ -141,3 +215,5 @@ exp: '0';
 ]],
 [input.y:8: #error "8"
 ])
 ]],
 [input.y:8: #error "8"
 ])

+
+m4_popdef([AT_TEST])