c.opt (fextended-identifiers): New.
gcc:
* c.opt (fextended-identifiers): New.
* c-opts.c (c_common_handle_option): Handle
-fextended-identifiers.
* doc/cpp.texi: Update documentation of extended identifiers.
* doc/cppopts.texi (-fextended-identifiers): Document.
gcc/testsuite:
* g++.dg/cpp/ucnid-1.C, g++.dg/cpp/normalize-1.C,
g++.dg/other/ucnid-1.C, gcc.dg/cpp/normalize-1.c,
gcc.dg/cpp/normalize-2.c, gcc.dg/cpp/normalize-3.c,
gcc.dg/cpp/normalize-4.c, gcc.dg/cpp/ucnid-1.c,
gcc.dg/cpp/ucnid-2.c, gcc.dg/cpp/ucnid-3.c, gcc.dg/cpp/ucnid-4.c,
gcc.dg/cpp/ucnid-5.c, gcc.dg/cpp/ucnid-7.c,gcc.dg/ucnid-1.c,
gcc.dg/ucnid-2.c, gcc.dg/ucnid-3.c, gcc.dg/ucnid-4.c,
gcc.dg/ucnid-5.c, gcc.dg/ucnid-6.c: Add -fextended-identifiers.
* gcc.dg/cpp/ucnid-8.c: New test.
libcpp:
* include/cpplib.h (struct cpp_options): Add extended_identifiers.
* init.c (struct lang_flags, lang_defaults): Add
extended_identifiers.
(cpp_set_lang): Use it.
* lex.c (forms_identifier_p): Check extended_identifiers.
From-SVN: r104462
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index ef42d04..c84f624 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -345,6 +345,9 @@
/* Zero means dollar signs are punctuation. */
unsigned char dollars_in_ident;
+ /* Nonzero means UCNs are accepted in identifiers. */
+ unsigned char extended_identifiers;
+
/* True if we should warn about dollars in identifiers or numbers
for this translation unit. */
unsigned char warn_dollars;