KJ16609/gcc
1
0
Fork 0
mirror of https://gcc.gnu.org/git/gcc.git synced 2026-02-22 12:00:03 -05:00
Code Issues Packages Projects Releases Wiki Activity

c.opt (fextended-identifiers): New.

Browse Source 
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
This commit is contained in:
Joseph Myers
2005-09-20 21:31:37 +01:00
committed by Joseph Myers
parent 6fff260313
commit af15a2fed7
30 changed files with 106 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
libcpp/ChangeLog
View File

@@ -1,3 +1,11 @@
2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
* 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.
2005-08-30 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/20348

3
libcpp/include/cpplib.h
View File

@@ -345,6 +345,9 @@ struct cpp_options
/* 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;

38
libcpp/init.c
View File

@@ -72,21 +72,26 @@ struct lang_flags
char c99;
char cplusplus;
char extended_numbers;
char extended_identifiers;
char std;
char cplusplus_comments;
char digraphs;
};
static const struct lang_flags lang_defaults[] =
{ /* c99 c++ xnum std // digr */
/* GNUC89 */ { 0, 0, 1, 0, 1, 1 },
/* GNUC99 */ { 1, 0, 1, 0, 1, 1 },
/* STDC89 */ { 0, 0, 0, 1, 0, 0 },
/* STDC94 */ { 0, 0, 0, 1, 0, 1 },
/* STDC99 */ { 1, 0, 1, 1, 1, 1 },
/* GNUCXX */ { 0, 1, 1, 0, 1, 1 },
/* CXX98 */ { 0, 1, 1, 1, 1, 1 },
/* ASM */ { 0, 0, 1, 0, 1, 0 }
{ /* c99 c++ xnum xid std // digr */
/* GNUC89 */ { 0, 0, 1, 0, 0, 1, 1 },
/* GNUC99 */ { 1, 0, 1, 0, 0, 1, 1 },
/* STDC89 */ { 0, 0, 0, 0, 1, 0, 0 },
/* STDC94 */ { 0, 0, 0, 0, 1, 0, 1 },
/* STDC99 */ { 1, 0, 1, 0, 1, 1, 1 },
/* GNUCXX */ { 0, 1, 1, 0, 0, 1, 1 },
/* CXX98 */ { 0, 1, 1, 0, 1, 1, 1 },
/* ASM */ { 0, 0, 1, 0, 0, 1, 0 }
/* xid should be 1 for GNUC99, STDC99, GNUCXX and CXX98 when no
longer experimental (when all uses of identifiers in the compiler
have been audited for correct handling of extended
identifiers). */
};
/* Sets internal flags correctly for a given language. */
@@ -97,13 +102,14 @@ cpp_set_lang (cpp_reader *pfile, enum c_lang lang)
CPP_OPTION (pfile, lang) = lang;
CPP_OPTION (pfile, c99) = l->c99;
CPP_OPTION (pfile, cplusplus) = l->cplusplus;
CPP_OPTION (pfile, extended_numbers) = l->extended_numbers;
CPP_OPTION (pfile, std) = l->std;
CPP_OPTION (pfile, trigraphs) = l->std;
CPP_OPTION (pfile, cplusplus_comments) = l->cplusplus_comments;
CPP_OPTION (pfile, digraphs) = l->digraphs;
CPP_OPTION (pfile, c99) = l->c99;
CPP_OPTION (pfile, cplusplus) = l->cplusplus;
CPP_OPTION (pfile, extended_numbers) = l->extended_numbers;
CPP_OPTION (pfile, extended_identifiers) = l->extended_identifiers;
CPP_OPTION (pfile, std) = l->std;
CPP_OPTION (pfile, trigraphs) = l->std;
CPP_OPTION (pfile, cplusplus_comments) = l->cplusplus_comments;
CPP_OPTION (pfile, digraphs) = l->digraphs;
}
/* Initialize library global state. */

2
libcpp/lex.c
View File

@@ -476,7 +476,7 @@ forms_identifier_p (cpp_reader *pfile, int first,
}
/* Is this a syntactically valid UCN? */
if ((CPP_OPTION (pfile, cplusplus) || CPP_OPTION (pfile, c99))
if (CPP_OPTION (pfile, extended_identifiers)
&& *buffer->cur == '\\'
&& (buffer->cur[1] == 'u' || buffer->cur[1] == 'U'))
{