c++: use __attribute__((__pure__)) to avoid warnings

[bison.git] / tests / local.at

diff --git a/tests/local.at b/tests/local.at
index 46bbfeda76f313f947a426b06d86b219c188bd26..72c0d52989db835bdce00d3a692e3bfc92f1f8c5 100644 (file)
--- a/tests/local.at
+++ b/tests/local.at
@@ -178,25 +178,25 @@ m4_bpatsubst([$3], [%parse-param { *\([^{}]*[^{} ]\) *}],
 
 m4_pushdef([AT_PURE_IF],
 [m4_bmatch([$3], [%define  *api\.pure\|%pure-parser],
-           [m4_bmatch([$3], [%define  *api\.pure *"?false"?], [$2], [$1])],
+           [m4_bmatch([$3], [%define  *api\.pure *false], [$2], [$1])],
            [$2])])
 # AT_NAME_PREFIX: also consider api.namespace.
 m4_pushdef([AT_NAME_PREFIX],
 [m4_bmatch([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) .*],
    [m4_bregexp([$3],
-     [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) [\{\"]\([^""]*\)[\"\}]],
+     [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) [\{\"]\([^\"\}]*\)[\"\}]],
      [\3])],
    [yy])])
 m4_pushdef([AT_TOKEN_CTOR_IF],
 [m4_bmatch([$3], [%define api\.token\.constructor], [$1], [$2])])
 m4_pushdef([AT_TOKEN_PREFIX],
-[m4_bmatch([$3], [%define api\.token\.prefix ".*"],
-           [m4_bregexp([$3], [%define api\.token\.prefix "\(.*\)"], [\1])])])
+[m4_bmatch([$3], [%define api\.token\.prefix {.*}],
+           [m4_bregexp([$3], [%define api\.token\.prefix {\(.*\)}], [\1])])])
 m4_pushdef([AT_VARIANT_IF],
-[m4_bmatch([$3], [%define api\.value\.type "?variant"?], [$1], [$2])])
+[m4_bmatch([$3], [%define api\.value\.type variant], [$1], [$2])])
 m4_pushdef([AT_API_prefix],
-[m4_bmatch([$3], [%define api\.prefix ".*"],
-           [m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
+[m4_bmatch([$3], [%define api\.prefix {.*}],
+           [m4_bregexp([$3], [%define api\.prefix {\([^\}]*\)}], [\1])],
            [yy])])
 m4_pushdef([AT_API_PREFIX],
 [m4_toupper(AT_API_prefix)])
@@ -207,7 +207,7 @@ m4_pushdef([AT_API_PREFIX],
 m4_pushdef([AT_YYERROR_ARG_LOC_IF],
 [AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3],
                                        m4_quote(m4_join([\|],
-                                                        [%define api\.pure "?full"?],
+                                                        [%define api\.pure full],
                                                         [%glr-parser],
                                                         [%parse-param],
                                                         [%skeleton "?glr.c"?])),
@@ -339,9 +339,9 @@ m4_define([AT_LANG_DISPATCH],
 
 
 # AT_DATA_SOURCE_PROLOGUE
-# ------------------------
+# -----------------------
 # The prologue that should be included in any source code that is
-# meant to be compiled.
+# meant to be compiled.  Keep atlocal.in sync (BISON_CXX_WORKS).
 m4_define([AT_DATA_SOURCE_PROLOGUE],
 [[#include <config.h>
 /* We don't need perfect functions for these tests. */
@@ -635,9 +635,12 @@ m4_define([AT_BISON_CHECK_],
 # ----------------------------------------------------------
 # Check that warnings (if some are expected) are correctly
 # turned into errors with -Werror, etc.
+#
+# When -Wno-error is used, the rules are really different, don't try.
 m4_define([AT_BISON_CHECK_WARNINGS],
 [m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
-      [m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])])
+       m4_bregexp([$1], [-Wno-error=]), [-1],
+                  [m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])])
 
 m4_define([AT_BISON_CHECK_WARNINGS_],
 [[# Defining POSIXLY_CORRECT causes bison to complain if options are
@@ -754,6 +757,7 @@ AT_CHECK(m4_join([ ],
                   [m4_bmatch([$1], [[.]], [], [$LIBS])]),
            0, [ignore], [ignore])])
 
+
 # AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc])
 # ---------------------------------------------
 # Compile SOURCES into OUTPUT.  If the C++ compiler does not work,
@@ -761,7 +765,7 @@ AT_CHECK(m4_join([ ],
 #
 # If OUTPUT does not contain '.', assume that we are linking too,
 # otherwise pass "-c"; this is a hack.  The default SOURCES is OUTPUT
-# with trailing .o removed, and ".cc" appended.
+# with trailing ".o" removed, and ".cc" appended.
 m4_define([AT_COMPILE_CXX],
 [AT_KEYWORDS(c++)
 AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore)
@@ -871,6 +875,49 @@ AT_PARSER_CHECK([./c-and-cxx])
 ])
 
 
+# AT_SKIP_IF_EXCEPTION_SUPPORT_IS_POOR
+# ------------------------------------
+# Check that we can expect exceptions to be handled properly.
+# GCC 4.3 and 4.4 fail https://trac.macports.org/ticket/40853.
+m4_define([AT_SKIP_IF_EXCEPTION_SUPPORT_IS_POOR],
+[AT_DATA_SOURCE([exception.cc],
+[[#include <iostream>
+#include <stdexcept>
+
+void foo()
+{
+  try
+    {
+      throw std::runtime_error("foo");
+    }
+  catch (...)
+    {
+      std::cerr << "Inner caught" << std::endl;
+      throw;
+    }
+}
+
+int main()
+{
+  try
+    {
+      foo();
+    }
+  catch (...)
+    {
+      std::cerr << "Outer caught" << std::endl;
+      return 0;
+    }
+  return 1;
+}
+]])
+AT_COMPILE_CXX([exception])
+# The "empty" quadrigraph is to protect from cfg.mk's
+# sc_at_parser_check.
+AT_CHECK([@&t@./exception || exit 77], [0], [], [ignore])
+])
+
+
 ## ---------------------------- ##
 ## Running a generated parser.  ##
 ## ---------------------------- ##