tests: address syntax-check failures

[bison.git] / tests / synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index 91b91746e53ca249ace2ac9dbe53ad842e5057f3..6b84719569563e7c6f7dbdbf46b49f3a01a47520 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,128 +1,295 @@
 # 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 -o input], 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, [$3])
+# It may also issue more context information:
+#
+#   input.y: In function 'yyparse':
+#   input.y:8: #error "8"
+# =>
+#   input.y:4: #error "8"
+#
+# The message may include a caret-error (indented by GCC 4.8,
+# not by clang 3.2):
+#
+#   input.y:1:2: error: #error "1"
+#    #error "1"
+#     ^
+#
+# Possibly distcc adds its bits.
+#
+#   distcc[33187] ERROR: compile (null) on localhost failed
+#   syncline.c:1:2: error: #error "1"
+#   distcc[33185] ERROR: compile syncline.c on localhost failed
+#
+# or even
+#
+#   distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host
+#   distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead
+#
+# The compiler might end by the number of messages issued (Clang 3.2):
+#
+#    syncline.c:1:2: error: "1"
+#    #error "1"
+#     ^
+#    1 error generated.
+#
+# When c++ is used to compiler C, we might have more messages (Clang 3.2):
+#
+#    clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated
+
+AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
+  # 1. Remove useless lines.
+
+  # distcc clutter.
+  s/^distcc\[\d+\] .*\n//gm;
+  # c vs. c++.
+  s/^clang: warning: treating 'c' input as 'c\+\+'.*\n//gm;
+  # Function context.
+  s/^[^:]*: In function '[^']+':\n//gm;
+  # Caret error.
+  s/^ *#error.*\n *\^\n//gm;
+  # Number of errors.
+  s/^1 error generated\.\n//gm;
+
+  # 2. Normalize the lines we kept.
+
+  # Remove column.
+  s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm;
+  # Map all combinations of "error: " and "#error: " to "#error ".
+  s/^([^:]+:\d+):( |#error|error|:)+/$][1: #error /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"

+]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;

 }
 }

+%{
+]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],

 [[%{
 [[%{

-/* Nothing here. */
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[

 %}
 %union
 {
   int ival;
 }
 %{
 %}
 %union
 {
   int ival;
 }
 %{

-#error "9"
+#error "10"

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

+%%

 ]],
 ]],

-[input.y:9: #error "9"
+[input.y:10: #error "10"

 ])
 
 
 ])
 
 

-## ------------------- ##
-## Action synch line.  ##
-## ------------------- ##
+## ----------------- ##
+## Action syncline.  ##
+## ----------------- ##

 
 

-AT_TEST_SYNCLINE([Action synch line],
-[[%%
+AT_TEST([Action syncline],
+[[%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%

 exp:
 {
 exp:
 {

-#error "4"
+#error "8"

 };
 ]],
 };
 ]],

-[input.y:4: #error "4"
+[input.y:8: #error "8"

 ])
 
 
 ])
 
 

-## --------------------- ##
-## Epilogue synch line.  ##
-## --------------------- ##
+## ------------------- ##
+## Epilogue syncline.  ##
+## ------------------- ##

 
 

-AT_TEST_SYNCLINE([Epilogue synch line],
-[[%%
+AT_TEST([Epilogue syncline],
+[[%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%

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

-#error "4"
+#error "8"

 ]],
 ]],

-[input.y:4: #error "4"
+[input.y:8: #error "8"

 ])
 ])

+
+## -------------------- ##
+## %code top syncline.  ##
+## -------------------- ##
+
+AT_TEST([%code top syncline],
+[[%code top {
+#error "2"
+}
+%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%
+exp: '0';
+%%
+]],
+[input.y:2: #error "2"
+])
+
+m4_popdef([AT_TEST])
+
+## ----------- ##
+## %no-lines.  ##
+## ----------- ##
+
+m4_pushdef([AT_TEST],
+[AT_SETUP([%no-lines])
+
+AT_BISON_OPTION_PUSHDEFS([%skeleton "$1" %defines])
+AT_DATA_GRAMMAR([input.y],
+[%skeleton "$1" %defines
+%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%
+exp: '0'
+])
+AT_BISON_CHECK([--no-lines -o input.AT_SKEL_CC_IF([cc], [c]) -d input.y])
+AT_CHECK([[grep '#line' ]AT_SKEL_CC_IF([*.cc *.hh], [*.c *.h])], 1)
+AT_BISON_OPTION_POPDEFS
+
+AT_CLEANUP
+])
+
+AT_TEST([yacc.c])
+AT_TEST([glr.c])
+AT_TEST([lalr1.cc])
+AT_TEST([glr.cc])
+
+m4_popdef([AT_TEST])