c++: locations: provide convenience constructors.

[bison.git] / tests / local.at

diff --git a/tests/local.at b/tests/local.at
index f08185a5abf8ca86dfb59d3e45b2f73658201042..d651eb9564ff49db238d1e3e4fcc9a4983014f51 100644 (file)
--- a/tests/local.at
+++ b/tests/local.at
@@ -2,7 +2,7 @@
 
 # Macros for the GNU Bison Test suite.
 
-# Copyright (C) 2003-2011 Free Software Foundation, Inc.
+# Copyright (C) 2003-2012 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
@@ -279,9 +279,10 @@ m4_define([AT_BISON_CHECK_NO_XML],
                 [AT_QUELL_VALGRIND ])[[bison ]]$@)
 m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
       m4_quote(m4_if(m4_quote($2), [], [0], [$2])), [0], [[
-        # POSIXLY_CORRECT=1 causes bison to complain if options are added
-        # after the grammar file name, so skip these checks in that case.
-        if test x"$POSIXLY_CORRECT" != x1; then
+        # Defining POSIXLY_CORRECT causes bison to complain if options
+        # are added after the grammar file name, so skip these checks
+        # in that case.
+        if test -z "${POSIXLY_CORRECT+set}"; then
           # Don't interfere with caller's files.
           if test -f stderr; then mv stderr at-bison-check-stderr.bak; fi
           if test -f experr; then mv experr at-bison-check-experr.bak; fi
@@ -297,10 +298,15 @@ m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
           # Build expected stderr up to and including the "warnings being
           # treated as errors" message.
           ]AT_DATA([[at-bison-check-warnings]], [$4])[
-          at_bison_check_first="` \
-            sed -n '/: warning: /=' at-bison-check-warnings \
-            | sed -n 1p \
-          `"
+          at_bison_check_first=`sed -n \
+            '/: warning: /{=;q;}' at-bison-check-warnings`
+          : ${at_bison_check_first:=1}
+          at_bison_check_first_tmp=`sed -n \
+            '/conflicts: [0-9].*reduce$/{=;q;}' at-bison-check-warnings`
+          : ${at_bison_check_first_tmp:=1}
+          if test $at_bison_check_first_tmp -lt $at_bison_check_first; then
+            at_bison_check_first=$at_bison_check_first_tmp
+          fi
           if test $at_bison_check_first -gt 1; then
             sed -n "1,`expr $at_bison_check_first - 1`"p \
               at-bison-check-warnings > experr
@@ -311,11 +317,9 @@ m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
           # complaints cause bison to exit early.  Thus, with -Werror, bison
           # does not necessarily report all warnings that it does without
           # -Werror, but it at least reports one.
-          at_bison_check_last="`sed -n '$=' stderr`"
-          if test x"$at_bison_check_last" = x; then
-            at_bison_check_last=1
-          fi
-          at_bison_check_last="`expr $at_bison_check_last - 1`"
+          at_bison_check_last=`sed -n '$=' stderr`
+          : ${at_bison_check_last:=1}
+          at_bison_check_last=`expr $at_bison_check_last - 1`
           sed -n "$at_bison_check_first,$at_bison_check_last"p \
             at-bison-check-warnings >> experr
           ]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
@@ -330,9 +334,9 @@ m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
           # -Werror doesn't change the exit status when -Wnone or
           # --warnings=none is specified.
           ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Wnone -Werror]],
-                    [[0]], [expout], [ignore])[
+                    [[0]], [expout])[
           ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=none \
-                    -Werror]], [[0]], [expout], [ignore])[
+                    -Werror]], [[0]], [expout])[
 
           # Restore caller's files.
           if test -f at-bison-check-expout.bak; then
@@ -606,6 +610,17 @@ m4_if(m4_index(m4_quote($3), [last-state]), -1,
 
 $9
 
+# Canonical LR generates very large tables, resulting in very long
+# files with #line directives that may overflow what the standards
+# (C90 and C++98) guarantee: 32767.  In that case, GCC's -pedantic
+# will issue an error.
+#
+# There is no "" around `wc` since some indent the result.
+m4_bmatch([$4], [%define lr.type canonical-lr],
+[if test 32767 -lt `wc -l < input.c`; then
+  CFLAGS=`echo " $CFLAGS " | sed -e 's/ -pedantic //'`
+  CXXFLAGS=`echo " $CXXFLAGS " | sed -e 's/ -pedantic //'`
+fi])
 AT_COMPILE([[input]])
 
 AT_PARSER_CHECK([[./input]],
@@ -625,4 +640,15 @@ m4_popdef([AT_COND_CASE])])
 
 AT_INIT
 
+# Cannot assign CC and CFLAGS here, since atlocal is loaded after
+# options are processed, so we don't know the value of CXX and
+# CXXFLAGS yet.
+#
+# Note that it also means that command line values for CXX and
+# CXXFLAGS will not be propagated to CC and CFLAGS.
+AT_ARG_OPTION([compile-c-with-cxx],
+              [compile C parsers with the C++ compiler])
+
+AT_COLOR_TESTS
+
 AT_TESTED([bison])