tests: comment changes

[bison.git] / tests / synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index 8653b460e5b0d8895904b5ab749dc63db9f6d170..7e7122f902197abb8225a77f3b0c0ba6610ddf09 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,6 +1,7 @@
 # Executing Actions.                               -*- Autotest -*-
-# Copyright (C) 2002, 2004, 2005, 2007, 2009 Free Software Foundation,
-# Inc.
+
+# 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
@@ -22,10 +23,15 @@ AT_BANNER([[User Actions.]])
 # --------------------------
 # 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
+# (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])
+
+# 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
@@ -34,7 +40,39 @@ m4_define([AT_SYNCLINES_COMPILE],
 # =>
 #   input.y:4: #error "4"
 #
-AT_CHECK([[sed -e 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' -e 's/^\([^:]*:[^:]*:\)[^@%:@]*\( @%:@error\)/\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 -f - 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)
@@ -43,7 +81,7 @@ AT_CHECK([[sed -e 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' -e 's/^\([^:]*:[
 # to issue ERROR-MSG.
 m4_define([AT_TEST_SYNCLINE],
 [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:
@@ -63,6 +101,7 @@ m4_define([AT_TEST_SYNCLINE],
 
 AT_DATA([syncline.c],
 [[#error "1"
+int i; // avoids -pedantic warning about an empty translation unit
 ]])
 
 AT_SYNCLINES_COMPILE([syncline.c])
@@ -72,6 +111,7 @@ 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
 ])
 
@@ -84,11 +124,12 @@ AT_CLEANUP
 AT_TEST_SYNCLINE([Prologue synch line],
 [[%{
 #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"
 ])
@@ -104,11 +145,12 @@ AT_TEST_SYNCLINE([%union synch line],
   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"
 ])
@@ -120,8 +162,8 @@ exp: '0';
 
 AT_TEST_SYNCLINE([Postprologue synch line],
 [[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
 %}
 %union
 {
@@ -132,6 +174,7 @@ int yylex (void);
 %}
 %%
 exp: '0';
+%%
 ]],
 [input.y:10: #error "10"
 ])
@@ -143,8 +186,8 @@ exp: '0';
 
 AT_TEST_SYNCLINE([Action synch line],
 [[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
 %}
 %%
 exp:
@@ -162,8 +205,8 @@ exp:
 
 AT_TEST_SYNCLINE([Epilogue synch line],
 [[%{
-void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
 %}
 %%
 exp: '0';