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gcc/gcc44-raw-string.patch

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4.4.0-0.15
2009-02-04 22:38:29 +00:00
2008-09-12 Jakub Jelinek <jakub@redhat.com>
* charset.c (cpp_init_iconv): Initialize utf8_cset_desc.
(_cpp_destroy_iconv): Destroy utf8_cset_desc, char16_cset_desc
and char32_cset_desc.
(converter_for_type): Handle CPP_UTF8STRING.
(cpp_interpret_string): Handle CPP_UTF8STRING and raw-strings.
* directives.c (get__Pragma_string): Handle CPP_UTF8STRING.
* include/cpplib.h (CPP_UTF8STRING): New token type.
* internal.h (struct cpp_reader): Add utf8_cset_desc field.
* lex.c (lex_raw_string): New function.
(lex_string): Handle u8 string literals, call lex_raw_string
for raw string literals.
(_cpp_lex_direct): Call lex_string even for u8" and {,u,U,L,u8}R"
sequences.
* macro.c (stringify_arg): Handle CPP_UTF8STRING.
* c-common.c (c_parse_error): Handle CPP_UTF8STRING.
* c-lex.c (c_lex_with_flags, lex_string): Likewise.
* c-parser.c (c_parser_postfix_expression): Likewise.
* parser.c (cp_lexer_print_token, cp_parser_is_string_literal,
cp_parser_string_literal, cp_parser_primary_expression): Likewise.
* gcc.dg/raw-string-1.c: New test.
* gcc.dg/raw-string-2.c: New test.
* gcc.dg/raw-string-3.c: New test.
* gcc.dg/raw-string-4.c: New test.
* gcc.dg/raw-string-5.c: New test.
* gcc.dg/raw-string-6.c: New test.
* gcc.dg/raw-string-7.c: New test.
* gcc.dg/utf8-1.c: New test.
* gcc.dg/utf8-2.c: New test.
* gcc.dg/utf-badconcat2.c: New test.
* gcc.dg/utf-dflt2.c: New test.
* g++.dg/ext/raw-string-1.C: New test.
* g++.dg/ext/raw-string-2.C: New test.
* g++.dg/ext/raw-string-3.C: New test.
* g++.dg/ext/raw-string-4.C: New test.
* g++.dg/ext/raw-string-5.C: New test.
* g++.dg/ext/raw-string-6.C: New test.
* g++.dg/ext/raw-string-7.C: New test.
* g++.dg/ext/utf8-1.C: New test.
* g++.dg/ext/utf8-2.C: New test.
* g++.dg/ext/utf-badconcat2.C: New test.
* g++.dg/ext/utf-dflt2.C: New test.
--- libcpp/charset.c.jj 2008-09-05 12:59:49.000000000 +0200
+++ libcpp/charset.c 2008-09-11 22:11:02.000000000 +0200
@@ -721,6 +721,8 @@ cpp_init_iconv (cpp_reader *pfile)
pfile->narrow_cset_desc = init_iconv_desc (pfile, ncset, SOURCE_CHARSET);
pfile->narrow_cset_desc.width = CPP_OPTION (pfile, char_precision);
+ pfile->utf8_cset_desc = init_iconv_desc (pfile, "UTF-8", SOURCE_CHARSET);
+ pfile->utf8_cset_desc.width = CPP_OPTION (pfile, char_precision);
pfile->char16_cset_desc = init_iconv_desc (pfile,
be ? "UTF-16BE" : "UTF-16LE",
SOURCE_CHARSET);
@@ -741,6 +743,12 @@ _cpp_destroy_iconv (cpp_reader *pfile)
{
if (pfile->narrow_cset_desc.func == convert_using_iconv)
iconv_close (pfile->narrow_cset_desc.cd);
+ if (pfile->utf8_cset_desc.func == convert_using_iconv)
+ iconv_close (pfile->utf8_cset_desc.cd);
+ if (pfile->char16_cset_desc.func == convert_using_iconv)
+ iconv_close (pfile->char16_cset_desc.cd);
+ if (pfile->char32_cset_desc.func == convert_using_iconv)
+ iconv_close (pfile->char32_cset_desc.cd);
if (pfile->wide_cset_desc.func == convert_using_iconv)
iconv_close (pfile->wide_cset_desc.cd);
}
@@ -1330,6 +1338,8 @@ converter_for_type (cpp_reader *pfile, e
{
default:
return pfile->narrow_cset_desc;
+ case CPP_UTF8STRING:
+ return pfile->utf8_cset_desc;
case CPP_CHAR16:
case CPP_STRING16:
return pfile->char16_cset_desc;
@@ -1364,7 +1374,47 @@ cpp_interpret_string (cpp_reader *pfile,
for (i = 0; i < count; i++)
{
p = from[i].text;
- if (*p == 'L' || *p == 'u' || *p == 'U') p++;
+ if (*p == 'u')
+ {
+ if (*++p == '8')
+ p++;
+ }
+ else if (*p == 'L' || *p == 'U') p++;
+ if (*p == 'R')
+ {
+ const uchar *prefix;
+
+ /* Skip over 'R"'. */
+ p += 2;
+ prefix = p;
+ while (*p != '[')
+ p++;
+ p++;
+ limit = from[i].text + from[i].len;
+ if (limit >= p + (p - prefix) + 1)
+ limit -= (p - prefix) + 1;
+
+ for (;;)
+ {
+ base = p;
+ while (p < limit && (*p != '\\' || (p[1] != 'u' && p[1] != 'U')))
+ p++;
+ if (p > base)
+ {
+ /* We have a run of normal characters; these can be fed
+ directly to convert_cset. */
+ if (!APPLY_CONVERSION (cvt, base, p - base, &tbuf))
+ goto fail;
+ }
+ if (p == limit)
+ break;
+
+ p = convert_ucn (pfile, p + 1, limit, &tbuf, cvt);
+ }
+
+ continue;
+ }
+
p++; /* Skip leading quote. */
limit = from[i].text + from[i].len - 1; /* Skip trailing quote. */
--- libcpp/directives.c.jj 2008-09-05 12:59:49.000000000 +0200
+++ libcpp/directives.c 2008-09-11 20:27:32.000000000 +0200
@@ -1519,7 +1519,8 @@ get__Pragma_string (cpp_reader *pfile)
if (string->type == CPP_EOF)
_cpp_backup_tokens (pfile, 1);
if (string->type != CPP_STRING && string->type != CPP_WSTRING
- && string->type != CPP_STRING32 && string->type != CPP_STRING16)
+ && string->type != CPP_STRING32 && string->type != CPP_STRING16
+ && string->type != CPP_UTF8STRING)
return NULL;
paren = get_token_no_padding (pfile);
--- libcpp/include/cpplib.h.jj 2008-09-05 12:59:47.000000000 +0200
+++ libcpp/include/cpplib.h 2008-09-11 20:23:53.000000000 +0200
@@ -131,6 +131,7 @@ struct _cpp_file;
TK(WSTRING, LITERAL) /* L"string" */ \
TK(STRING16, LITERAL) /* u"string" */ \
TK(STRING32, LITERAL) /* U"string" */ \
+ TK(UTF8STRING, LITERAL) /* u8"string" */ \
TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \
TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \
\
@@ -724,10 +725,10 @@ extern const unsigned char *cpp_macro_de
extern void _cpp_backup_tokens (cpp_reader *, unsigned int);
extern const cpp_token *cpp_peek_token (cpp_reader *, int);
-/* Evaluate a CPP_CHAR or CPP_WCHAR token. */
+/* Evaluate a CPP_*CHAR* token. */
extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *,
unsigned int *, int *);
-/* Evaluate a vector of CPP_STRING or CPP_WSTRING tokens. */
+/* Evaluate a vector of CPP_*STRING* tokens. */
extern bool cpp_interpret_string (cpp_reader *,
const cpp_string *, size_t,
cpp_string *, enum cpp_ttype);
--- libcpp/internal.h.jj 2008-09-05 12:59:49.000000000 +0200
+++ libcpp/internal.h 2008-09-11 18:23:02.000000000 +0200
@@ -400,6 +400,10 @@ struct cpp_reader
struct cset_converter narrow_cset_desc;
/* Descriptor for converting from the source character set to the
+ UTF-8 execution character set. */
+ struct cset_converter utf8_cset_desc;
+
+ /* Descriptor for converting from the source character set to the
UTF-16 execution character set. */
struct cset_converter char16_cset_desc;
--- libcpp/lex.c.jj 2008-09-05 12:59:49.000000000 +0200
+++ libcpp/lex.c 2008-09-12 13:54:01.000000000 +0200
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
@@ -610,12 +610,186 @@ create_literal (cpp_reader *pfile, cpp_t
4.4.0-0.15
2009-02-04 22:38:29 +00:00
token->val.str.text = dest;
}
+/* Lexes raw a string. The stored string contains the spelling, including
+ double quotes, delimiter string, '[' and ']', any leading
+ 'L', 'u', 'U' or 'u8' and 'R' modifier. It returns the type of the
+ literal, or CPP_OTHER if it was not properly terminated.
+
+ The spelling is NUL-terminated, but it is not guaranteed that this
+ is the first NUL since embedded NULs are preserved. */
+
+static void
+lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
+ const uchar *cur)
+{
+ bool saw_NUL = false;
+ const uchar *raw_prefix;
+ unsigned int raw_prefix_len = 0;
+ enum cpp_ttype type;
+ size_t total_len = 0;
+ _cpp_buff *first_buff = NULL, *last_buff = NULL;
+
+ type = (*base == 'L' ? CPP_WSTRING :
+ *base == 'U' ? CPP_STRING32 :
+ *base == 'u' ? (base[1] == '8' ? CPP_UTF8STRING : CPP_STRING16)
+ : CPP_STRING);
+
+ raw_prefix = cur + 1;
+ while (raw_prefix_len < 16)
+ {
+ switch (raw_prefix[raw_prefix_len])
+ {
+ case ' ': case '[': case ']': case '\t':
+ case '\v': case '\f': case '\n': default:
+ break;
+ /* Basic source charset except the above chars. */
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+ case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
+ case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
+ case 's': case 't': case 'u': case 'v': case 'w': case 'x':
+ case 'y': case 'z':
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+ case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
+ case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
+ case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
+ case 'Y': case 'Z':
+ case '0': case '1': case '2': case '3': case '4': case '5':
+ case '6': case '7': case '8': case '9':
+ case '_': case '{': case '}': case '#': case '(': case ')':
+ case '<': case '>': case '%': case ':': case ';': case '.':
+ case '?': case '*': case '+': case '-': case '/': case '^':
+ case '&': case '|': case '~': case '!': case '=': case ',':
+ case '\\': case '"': case '\'':
+ raw_prefix_len++;
+ continue;
+ }
+ break;
+ }
+
+ if (raw_prefix[raw_prefix_len] != '[')
+ {
+ if (raw_prefix_len == 16)
+ cpp_error (pfile, CPP_DL_ERROR,
+ "raw string delimiter longer than 16 characters");
+ else
+ cpp_error (pfile, CPP_DL_ERROR,
+ "invalid character '%c' in raw string delimiter",
+ (int) raw_prefix[raw_prefix_len]);
+ pfile->buffer->cur = raw_prefix - 1;
+ create_literal (pfile, token, base, raw_prefix - 1 - base, CPP_OTHER);
+ return;
+ }
+
+ cur = raw_prefix + raw_prefix_len + 1;
+ for (;;)
+ {
+ cppchar_t c = *cur++;
+
+ if (c == ']'
+ && strncmp ((const char *) cur, (const char *) raw_prefix,
+ raw_prefix_len) == 0
+ && cur[raw_prefix_len] == '"')
+ {
+ cur += raw_prefix_len + 1;
+ break;
+ }
+ else if (c == '\n')
+ {
+ if (pfile->state.in_directive
+ || pfile->state.parsing_args
+ || pfile->state.in_deferred_pragma)
+ {
+ cur--;
+ type = CPP_OTHER;
+ cpp_error (pfile, CPP_DL_ERROR, "unterminated raw string");
+ break;
+ }
+
+ /* raw strings allow embedded non-escaped newlines, which
+ complicates this routine a lot. */
+ if (first_buff == NULL)
+ {
+ total_len = cur - base;
+ first_buff = last_buff = _cpp_get_buff (pfile, total_len);
+ memcpy (BUFF_FRONT (last_buff), base, total_len);
+ raw_prefix = BUFF_FRONT (last_buff) + (raw_prefix - base);
+ BUFF_FRONT (last_buff) += total_len;
+ }
+ else
+ {
+ size_t len = cur - base;
+ size_t cur_len = len > BUFF_ROOM (last_buff)
+ ? BUFF_ROOM (last_buff) : len;
+
+ total_len += len;
+ memcpy (BUFF_FRONT (last_buff), base, cur_len);
+ BUFF_FRONT (last_buff) += cur_len;
+ if (len > cur_len)
+ {
+ last_buff = _cpp_append_extend_buff (pfile, last_buff,
+ len - cur_len);
+ memcpy (BUFF_FRONT (last_buff), base + cur_len,
+ len - cur_len);
+ BUFF_FRONT (last_buff) += len - cur_len;
+ }
+ }
+
+ if (pfile->buffer->cur < pfile->buffer->rlimit)
+ CPP_INCREMENT_LINE (pfile, 0);
+ pfile->buffer->need_line = true;
+
+ if (!_cpp_get_fresh_line (pfile))
+ {
+ token->type = CPP_EOF;
+ /* Tell the compiler the line number of the EOF token. */
+ token->src_loc = pfile->line_table->highest_line;
+ token->flags = BOL;
+ if (first_buff != NULL)
+ _cpp_release_buff (pfile, first_buff);
+ cpp_error (pfile, CPP_DL_ERROR, "unterminated raw string");
+ return;
+ }
+
+ cur = base = pfile->buffer->cur;
+ }
+ else if (c == '\0')
+ saw_NUL = true;
+ }
+
+ if (saw_NUL && !pfile->state.skipping)
+ cpp_error (pfile, CPP_DL_WARNING,
+ "null character(s) preserved in literal");
+
+ pfile->buffer->cur = cur;
+ if (first_buff == NULL)
+ create_literal (pfile, token, base, cur - base, type);
+ else
+ {
+ uchar *dest = _cpp_unaligned_alloc (pfile, total_len + (cur - base) + 1);
+
+ token->type = type;
+ token->val.str.len = total_len + (cur - base);
+ token->val.str.text = dest;
+ last_buff = first_buff;
+ while (last_buff != NULL)
+ {
+ memcpy (dest, last_buff->base,
+ BUFF_FRONT (last_buff) - last_buff->base);
+ dest += BUFF_FRONT (last_buff) - last_buff->base;
+ last_buff = last_buff->next;
+ }
+ _cpp_release_buff (pfile, first_buff);
+ memcpy (dest, base, cur - base);
+ dest[cur - base] = '\0';
+ }
+}
+
/* Lexes a string, character constant, or angle-bracketed header file
name. The stored string contains the spelling, including opening
- quote and leading any leading 'L', 'u' or 'U'. It returns the type
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
- of the literal, or CPP_OTHER if it was not properly terminated, or
- CPP_LESS for an unterminated header name which must be relexed as
- normal tokens.
4.4.0-0.15
2009-02-04 22:38:29 +00:00
+ quote and any leading 'L', 'u', 'U' or 'u8' and optional
+ 'R' modifier. It returns the type of the literal, or CPP_OTHER
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
+ if it was not properly terminated, or CPP_LESS for an unterminated
+ header name which must be relexed as normal tokens.
4.4.0-0.15
2009-02-04 22:38:29 +00:00
The spelling is NUL-terminated, but it is not guaranteed that this
is the first NUL since embedded NULs are preserved. */
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
@@ -629,12 +803,24 @@ lex_string (cpp_reader *pfile, cpp_token
4.4.0-0.15
2009-02-04 22:38:29 +00:00
cur = base;
terminator = *cur++;
- if (terminator == 'L' || terminator == 'u' || terminator == 'U')
+ if (terminator == 'L' || terminator == 'U')
terminator = *cur++;
- if (terminator == '\"')
+ else if (terminator == 'u')
+ {
+ terminator = *cur++;
+ if (terminator == '8')
+ terminator = *cur++;
+ }
+ if (terminator == 'R')
+ {
+ lex_raw_string (pfile, token, base, cur);
+ return;
+ }
+ if (terminator == '"')
type = (*base == 'L' ? CPP_WSTRING :
*base == 'U' ? CPP_STRING32 :
- *base == 'u' ? CPP_STRING16 : CPP_STRING);
+ *base == 'u' ? (base[1] == '8' ? CPP_UTF8STRING : CPP_STRING16)
+ : CPP_STRING);
else if (terminator == '\'')
type = (*base == 'L' ? CPP_WCHAR :
*base == 'U' ? CPP_CHAR32 :
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
@@ -1094,10 +1280,20 @@ _cpp_lex_direct (cpp_reader *pfile)
4.4.0-0.15
2009-02-04 22:38:29 +00:00
case 'L':
case 'u':
case 'U':
+ case 'R':
/* 'L', 'u' or 'U' may introduce wide characters or strings. */
if (c == 'L' || CPP_OPTION (pfile, uliterals))
{
- if (*buffer->cur == '\'' || *buffer->cur == '"')
+ if ((*buffer->cur == '\'' && c != 'R')
+ || *buffer->cur == '"'
+ || (*buffer->cur == 'R'
+ && c != 'R'
+ && buffer->cur[1] == '"'
+ && CPP_OPTION (pfile, uliterals))
+ || (*buffer->cur == '8'
+ && c == 'u'
+ && (buffer->cur[1] == '"'
+ || (buffer->cur[1] == 'R' && buffer->cur[2] == '"'))))
{
lex_string (pfile, result, buffer->cur - 1);
break;
Adjust for libcpp/lex.c changes.
2009-03-04 15:06:35 +00:00
@@ -1113,7 +1309,7 @@ _cpp_lex_direct (cpp_reader *pfile)
4.4.0-0.15
2009-02-04 22:38:29 +00:00
case 'y': case 'z':
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K':
- case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
+ case 'M': case 'N': case 'O': case 'P': case 'Q':
case 'S': case 'T': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
result->type = CPP_NAME;
--- libcpp/macro.c.jj 2008-09-05 12:59:49.000000000 +0200
+++ libcpp/macro.c 2008-09-11 20:25:20.000000000 +0200
@@ -377,7 +377,8 @@ stringify_arg (cpp_reader *pfile, macro_
escape_it = (token->type == CPP_STRING || token->type == CPP_CHAR
|| token->type == CPP_WSTRING || token->type == CPP_STRING
|| token->type == CPP_STRING32 || token->type == CPP_CHAR32
- || token->type == CPP_STRING16 || token->type == CPP_CHAR16);
+ || token->type == CPP_STRING16 || token->type == CPP_CHAR16
+ || token->type == CPP_UTF8STRING);
/* Room for each char being written in octal, initial space and
final quote and NUL. */
--- gcc/c-common.c.jj 2008-09-09 16:08:04.000000000 +0200
+++ gcc/c-common.c 2008-09-11 20:30:57.000000000 +0200
@@ -7472,7 +7472,7 @@ c_parse_error (const char *gmsgid, enum
message = NULL;
}
else if (token == CPP_STRING || token == CPP_WSTRING || token == CPP_STRING16
- || token == CPP_STRING32)
+ || token == CPP_STRING32 || token == CPP_UTF8STRING)
message = catenate_messages (gmsgid, " before string constant");
else if (token == CPP_NUMBER)
message = catenate_messages (gmsgid, " before numeric constant");
--- gcc/c-lex.c.jj 2008-09-05 12:56:31.000000000 +0200
+++ gcc/c-lex.c 2008-09-11 20:34:06.000000000 +0200
@@ -365,6 +365,7 @@ c_lex_with_flags (tree *value, location_
case CPP_WSTRING:
case CPP_STRING16:
case CPP_STRING32:
+ case CPP_UTF8STRING:
type = lex_string (tok, value, true, true);
break;
@@ -423,6 +424,7 @@ c_lex_with_flags (tree *value, location_
case CPP_WSTRING:
case CPP_STRING16:
case CPP_STRING32:
+ case CPP_UTF8STRING:
if ((lex_flags & C_LEX_RAW_STRINGS) == 0)
{
type = lex_string (tok, value, false,
@@ -830,12 +832,13 @@ interpret_fixed (const cpp_token *token,
return value;
}
-/* Convert a series of STRING, WSTRING, STRING16 and/or STRING32 tokens
- into a tree, performing string constant concatenation. TOK is the
- first of these. VALP is the location to write the string into.
- OBJC_STRING indicates whether an '@' token preceded the incoming token.
+/* Convert a series of STRING, WSTRING, STRING16, STRING32 and/or
+ UTF8STRING tokens into a tree, performing string constant
+ concatenation. TOK is the first of these. VALP is the location
+ to write the string into. OBJC_STRING indicates whether an '@' token
+ preceded the incoming token.
Returns the CPP token type of the result (CPP_STRING, CPP_WSTRING,
- CPP_STRING32, CPP_STRING16, or CPP_OBJC_STRING).
+ CPP_STRING32, CPP_STRING16, CPP_UTF8STRING, or CPP_OBJC_STRING).
This is unfortunately more work than it should be. If any of the
strings in the series has an L prefix, the result is a wide string
@@ -880,6 +883,7 @@ lex_string (const cpp_token *tok, tree *
case CPP_WSTRING:
case CPP_STRING16:
case CPP_STRING32:
+ case CPP_UTF8STRING:
if (type != tok->type)
{
if (type == CPP_STRING)
@@ -925,6 +929,7 @@ lex_string (const cpp_token *tok, tree *
{
default:
case CPP_STRING:
+ case CPP_UTF8STRING:
value = build_string (1, "");
break;
case CPP_STRING16:
@@ -950,6 +955,7 @@ lex_string (const cpp_token *tok, tree *
{
default:
case CPP_STRING:
+ case CPP_UTF8STRING:
TREE_TYPE (value) = char_array_type_node;
break;
case CPP_STRING16:
--- gcc/c-parser.c.jj 2008-09-09 16:08:04.000000000 +0200
+++ gcc/c-parser.c 2008-09-11 20:34:34.000000000 +0200
@@ -5085,6 +5085,7 @@ c_parser_postfix_expression (c_parser *p
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
+ case CPP_UTF8STRING:
expr.value = c_parser_peek_token (parser)->value;
expr.original_code = STRING_CST;
c_parser_consume_token (parser);
--- gcc/cp/parser.c.jj 2008-09-09 16:08:03.000000000 +0200
+++ gcc/cp/parser.c 2008-09-11 20:36:10.000000000 +0200
@@ -797,6 +797,7 @@ cp_lexer_print_token (FILE * stream, cp_
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
+ case CPP_UTF8STRING:
fprintf (stream, " \"%s\"", TREE_STRING_POINTER (token->u.value));
break;
@@ -2049,7 +2050,8 @@ cp_parser_is_string_literal (cp_token* t
return (token->type == CPP_STRING ||
token->type == CPP_STRING16 ||
token->type == CPP_STRING32 ||
- token->type == CPP_WSTRING);
+ token->type == CPP_WSTRING ||
+ token->type == CPP_UTF8STRING);
}
/* Returns nonzero if TOKEN is the indicated KEYWORD. */
@@ -2972,6 +2974,7 @@ cp_parser_string_literal (cp_parser *par
{
default:
case CPP_STRING:
+ case CPP_UTF8STRING:
TREE_TYPE (value) = char_array_type_node;
break;
case CPP_STRING16:
@@ -3195,6 +3198,7 @@ cp_parser_primary_expression (cp_parser
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
+ case CPP_UTF8STRING:
/* ??? Should wide strings be allowed when parser->translate_strings_p
is false (i.e. in attributes)? If not, we can kill the third
argument to cp_parser_string_literal. */
--- gcc/testsuite/gcc.dg/raw-string-1.c.jj 2008-09-12 11:48:36.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-1.c 2008-09-12 14:01:27.000000000 +0200
@@ -0,0 +1,101 @@
+/* { dg-do run } */
+/* { dg-options "-std=gnu99" } */
+
+#include <wchar.h>
+
+typedef __CHAR16_TYPE__ char16_t;
+typedef __CHAR32_TYPE__ char32_t;
+
+const char s0[] = R"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char s1[] = "a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char s2[] = R"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char s3[] = "ab\nc]\"\nc]*|\"\nc";
+
+const char t0[] = u8R"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char t1[] = u8"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char t2[] = u8R"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char t3[] = u8"ab\nc]\"\nc]*|\"\nc";
+
+const char16_t u0[] = uR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char16_t u1[] = u"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char16_t u2[] = uR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char16_t u3[] = u"ab\nc]\"\nc]*|\"\nc";
+
+const char32_t U0[] = UR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char32_t U1[] = U"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char32_t U2[] = UR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char32_t U3[] = U"ab\nc]\"\nc]*|\"\nc";
+
+const wchar_t L0[] = LR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const wchar_t L1[] = L"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const wchar_t L2[] = LR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const wchar_t L3[] = L"ab\nc]\"\nc]*|\"\nc";
+
+int
+main (void)
+{
+ if (sizeof (s0) != sizeof (s1)
+ || __builtin_memcmp (s0, s1, sizeof (s0)) != 0)
+ __builtin_abort ();
+ if (sizeof (s2) != sizeof (s3)
+ || __builtin_memcmp (s2, s3, sizeof (s2)) != 0)
+ __builtin_abort ();
+ if (sizeof (t0) != sizeof (t1)
+ || __builtin_memcmp (t0, t1, sizeof (t0)) != 0)
+ __builtin_abort ();
+ if (sizeof (t2) != sizeof (t3)
+ || __builtin_memcmp (t2, t3, sizeof (t2)) != 0)
+ __builtin_abort ();
+ if (sizeof (u0) != sizeof (u1)
+ || __builtin_memcmp (u0, u1, sizeof (u0)) != 0)
+ __builtin_abort ();
+ if (sizeof (u2) != sizeof (u3)
+ || __builtin_memcmp (u2, u3, sizeof (u2)) != 0)
+ __builtin_abort ();
+ if (sizeof (U0) != sizeof (U1)
+ || __builtin_memcmp (U0, U1, sizeof (U0)) != 0)
+ __builtin_abort ();
+ if (sizeof (U2) != sizeof (U3)
+ || __builtin_memcmp (U2, U3, sizeof (U2)) != 0)
+ __builtin_abort ();
+ if (sizeof (L0) != sizeof (L1)
+ || __builtin_memcmp (L0, L1, sizeof (L0)) != 0)
+ __builtin_abort ();
+ if (sizeof (L2) != sizeof (L3)
+ || __builtin_memcmp (L2, L3, sizeof (L2)) != 0)
+ __builtin_abort ();
+ if (sizeof (R"*[]*") != 1
+ || __builtin_memcmp (R"*[]*", "", 1) != 0)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/gcc.dg/raw-string-2.c.jj 2008-09-12 12:14:42.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-2.c 2008-09-12 13:37:10.000000000 +0200
@@ -0,0 +1,109 @@
+/* { dg-do run } */
+/* { dg-options "-std=gnu99" } */
+
+#include <wchar.h>
+
+typedef __CHAR16_TYPE__ char16_t;
+typedef __CHAR32_TYPE__ char32_t;
+
+#define R
+#define u
+#define uR
+#define U
+#define UR
+#define u8
+#define u8R
+#define L
+#define LR
+
+const char s00[] = R"[a]" "[b]";
+const char s01[] = "[a]" R"*[b]*";
+const char s02[] = R"[a]" R"[b]";
+const char s03[] = R"-[a]-" u8"[b]";
+const char s04[] = "[a]" u8R"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char s05[] = R"[a]" u8R"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char s06[] = u8R";([a];(" "[b]";
+const char s07[] = u8"[a]" R"[b]";
+const char s08[] = u8R"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char s09[] = u8R"/^&|~!=,"'\[a]/^&|~!=,"'\" u8"[b]";
+const char s10[] = u8"[a]" u8R"0123456789abcdef[b]0123456789abcdef";
+const char s11[] = u8R"ghijklmnopqrstuv[a]ghijklmnopqrstuv" u8R"w[b]w";
+
+const char16_t u03[] = R"-[a]-" u"[b]";
+const char16_t u04[] = "[a]" uR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char16_t u05[] = R"[a]" uR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char16_t u06[] = uR";([a];(" "[b]";
+const char16_t u07[] = u"[a]" R"[b]";
+const char16_t u08[] = uR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char16_t u09[] = uR"/^&|~!=,"'\[a]/^&|~!=,"'\" u"[b]";
+const char16_t u10[] = u"[a]" uR"0123456789abcdef[b]0123456789abcdef";
+const char16_t u11[] = uR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" uR"w[b]w";
+
+const char32_t U03[] = R"-[a]-" U"[b]";
+const char32_t U04[] = "[a]" UR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char32_t U05[] = R"[a]" UR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char32_t U06[] = UR";([a];(" "[b]";
+const char32_t U07[] = U"[a]" R"[b]";
+const char32_t U08[] = UR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char32_t U09[] = UR"/^&|~!=,"'\[a]/^&|~!=,"'\" U"[b]";
+const char32_t U10[] = U"[a]" UR"0123456789abcdef[b]0123456789abcdef";
+const char32_t U11[] = UR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" UR"w[b]w";
+
+const wchar_t L03[] = R"-[a]-" L"[b]";
+const wchar_t L04[] = "[a]" LR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const wchar_t L05[] = R"[a]" LR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const wchar_t L06[] = LR";([a];(" "[b]";
+const wchar_t L07[] = L"[a]" R"[b]";
+const wchar_t L08[] = LR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const wchar_t L09[] = LR"/^&|~!=,"'\[a]/^&|~!=,"'\" L"[b]";
+const wchar_t L10[] = L"[a]" LR"0123456789abcdef[b]0123456789abcdef";
+const wchar_t L11[] = LR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" LR"w[b]w";
+
+int
+main (void)
+{
+#define TEST(str, val) \
+ if (sizeof (str) != sizeof (val) \
+ || __builtin_memcmp (str, val, sizeof (str)) != 0) \
+ __builtin_abort ()
+ TEST (s00, "a[b]");
+ TEST (s01, "[a]b");
+ TEST (s02, "ab");
+ TEST (s03, "a[b]");
+ TEST (s04, "[a]b");
+ TEST (s05, "ab");
+ TEST (s06, "a[b]");
+ TEST (s07, "[a]b");
+ TEST (s08, "ab");
+ TEST (s09, "a[b]");
+ TEST (s10, "[a]b");
+ TEST (s11, "ab");
+ TEST (u03, u"a[b]");
+ TEST (u04, u"[a]b");
+ TEST (u05, u"ab");
+ TEST (u06, u"a[b]");
+ TEST (u07, u"[a]b");
+ TEST (u08, u"ab");
+ TEST (u09, u"a[b]");
+ TEST (u10, u"[a]b");
+ TEST (u11, u"ab");
+ TEST (U03, U"a[b]");
+ TEST (U04, U"[a]b");
+ TEST (U05, U"ab");
+ TEST (U06, U"a[b]");
+ TEST (U07, U"[a]b");
+ TEST (U08, U"ab");
+ TEST (U09, U"a[b]");
+ TEST (U10, U"[a]b");
+ TEST (U11, U"ab");
+ TEST (L03, L"a[b]");
+ TEST (L04, L"[a]b");
+ TEST (L05, L"ab");
+ TEST (L06, L"a[b]");
+ TEST (L07, L"[a]b");
+ TEST (L08, L"ab");
+ TEST (L09, L"a[b]");
+ TEST (L10, L"[a]b");
+ TEST (L11, L"ab");
+ return 0;
+}
--- gcc/testsuite/gcc.dg/raw-string-3.c.jj 2008-09-12 13:27:09.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-3.c 2008-09-12 13:42:55.000000000 +0200
@@ -0,0 +1,53 @@
+/* If not gnu99, the {,u,u8,U,L}R prefix should be parsed as separate
+ token. */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+const void *s0 = R"[a]"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 6 } */
+const void *s1 = uR"[a]"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 8 } */
+const void *s2 = UR"[a]"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 10 } */
+const void *s3 = u8R"[a]"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 12 } */
+const void *s4 = LR"[a]"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 14 } */
+
+const int i0 = R'a'; /* { dg-error "expected ',' or ';'" } */
+const int i1 = uR'a'; /* { dg-error "expected ',' or ';'" } */
+const int i2 = UR'a'; /* { dg-error "expected ',' or ';'" } */
+const int i3 = u8R'a'; /* { dg-error "expected ',' or ';'" } */
+const int i4 = LR'a'; /* { dg-error "expected ',' or ';'" } */
+
+#define R "a"
+#define uR "b"
+#define UR "c"
+#define u8R "d"
+#define LR "e"
+
+const void *s5 = R"[a]";
+const void *s6 = uR"[a]";
+const void *s7 = UR"[a]";
+const void *s8 = u8R"[a]";
+const void *s9 = LR"[a]";
+
+#undef R
+#undef uR
+#undef UR
+#undef u8R
+#undef LR
+
+#define R 1 +
+#define uR 2 +
+#define UR 3 +
+#define u8R 4 +
+#define LR 5 +
+
+const int i5 = R'a';
+const int i6 = uR'a';
+const int i7 = UR'a';
+const int i8 = u8R'a';
+const int i9 = LR'a';
+
+int main () {}
--- gcc/testsuite/gcc.dg/raw-string-4.c.jj 2008-09-12 13:27:09.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-4.c 2008-09-12 13:33:43.000000000 +0200
@@ -0,0 +1,28 @@
+/* R is not applicable for character literals. */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+const int i0 = R'a'; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 5 } */
+const int i1 = uR'a'; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 7 } */
+const int i2 = UR'a'; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 9 } */
+const int i3 = u8R'a'; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 11 } */
+const int i4 = LR'a'; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 13 } */
+
+#define R 1 +
+#define uR 2 +
+#define UR 3 +
+#define u8R 4 +
+#define LR 5 +
+
+const int i5 = R'a';
+const int i6 = uR'a';
+const int i7 = UR'a';
+const int i8 = u8R'a';
+const int i9 = LR'a';
+
+int main () {}
--- gcc/testsuite/gcc.dg/raw-string-5.c.jj 2008-09-12 13:49:58.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-5.c 2008-09-12 13:59:14.000000000 +0200
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+const void *s0 = R"0123456789abcdefg[]0123456789abcdefg";
+ /* { dg-error "raw string delimiter longer" "" { target *-*-* } 4 } */
+ /* { dg-error "stray" "" { target *-*-* } 4 } */
+const void *s1 = R" [] ";
+ /* { dg-error "invalid character" "" { target *-*-* } 7 } */
+ /* { dg-error "stray" "" { target *-*-* } 7 } */
+const void *s2 = R" [] ";
+ /* { dg-error "invalid character" "" { target *-*-* } 10 } */
+ /* { dg-error "stray" "" { target *-*-* } 10 } */
+const void *s3 = R"][]]";
+ /* { dg-error "invalid character" "" { target *-*-* } 13 } */
+ /* { dg-error "stray" "" { target *-*-* } 13 } */
+const void *s4 = R"@[]@";
+ /* { dg-error "invalid character" "" { target *-*-* } 16 } */
+ /* { dg-error "stray" "" { target *-*-* } 16 } */
+const void *s5 = R"$[]$";
+ /* { dg-error "invalid character" "" { target *-*-* } 19 } */
+ /* { dg-error "stray" "" { target *-*-* } 19 } */
+
+int main () {}
--- gcc/testsuite/gcc.dg/raw-string-6.c.jj 2008-09-12 13:59:33.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-6.c 2008-09-12 14:03:46.000000000 +0200
@@ -0,0 +1,5 @@
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+const void *s0 = R"ouch[]ouCh"; /* { dg-error "expected expression at end of input" } */
+ /* { dg-error "unterminated raw string" "" { target *-*-* } 6 } */
--- gcc/testsuite/gcc.dg/raw-string-7.c.jj 2008-09-12 14:27:39.000000000 +0200
+++ gcc/testsuite/gcc.dg/raw-string-7.c 2008-09-12 14:34:17.000000000 +0200
@@ -0,0 +1,23 @@
+/* The trailing whitespace after \ and before newline extension
+ breaks full compliance for raw strings. */
+/* { dg-do run { xfail *-*-* } } */
+/* { dg-options "-std=gnu99" } */
+
+/* Note, there is a single space after \ on the following line. */
+const void *s0 = R"[\
+]";
+/* { dg-bogus "backslash and newline separated by space" "" { xfail *-*-* } 7 } */
+
+/* Note, there is a single tab after \ on the following line. */
+const void *s1 = R"[\
+]";
+/* { dg-bogus "backslash and newline separated by space" "" { xfail *-*-* } 12 } */
+
+int
+main (void)
+{
+ if (__builtin_strcmp (s0, "\\ \n") != 0
+ || __builtin_strcmp (s1, "\\\t\n") != 0)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/gcc.dg/utf8-1.c.jj 2008-09-12 10:01:47.000000000 +0200
+++ gcc/testsuite/gcc.dg/utf8-1.c 2008-09-12 11:45:48.000000000 +0200
@@ -0,0 +1,45 @@
+/* { dg-do run } */
+/* { dg-require-iconv "ISO-8859-2" } */
+/* { dg-options "-std=gnu99 -fexec-charset=ISO-8859-2" } */
+
+const char *str1 = "h\u00e1\U0000010Dky ";
+const char *str2 = "\u010d\u00E1rky\n";
+const char *str3 = u8"h\u00e1\U0000010Dky ";
+const char *str4 = u8"\u010d\u00E1rky\n";
+const char *str5 = "h\u00e1\U0000010Dky " "\u010d\u00E1rky\n";
+const char *str6 = u8"h\u00e1\U0000010Dky " "\u010d\u00E1rky\n";
+const char *str7 = "h\u00e1\U0000010Dky " u8"\u010d\u00E1rky\n";
+#define u8
+const char *str8 = u8"h\u00e1\U0000010Dky " u8"\u010d\u00E1rky\n";
+
+const char latin2_1[] = "\x68\xe1\xe8\x6b\x79\x20";
+const char latin2_2[] = "\xe8\xe1\x72\x6b\x79\n";
+const char utf8_1[] = "\x68\xc3\xa1\xc4\x8d\x6b\x79\x20";
+const char utf8_2[] = "\xc4\x8d\xc3\xa1\x72\x6b\x79\n";
+
+int
+main (void)
+{
+ if (__builtin_strcmp (str1, latin2_1) != 0
+ || __builtin_strcmp (str2, latin2_2) != 0
+ || __builtin_strcmp (str3, utf8_1) != 0
+ || __builtin_strcmp (str4, utf8_2) != 0
+ || __builtin_strncmp (str5, latin2_1, sizeof (latin2_1) - 1) != 0
+ || __builtin_strcmp (str5 + sizeof (latin2_1) - 1, latin2_2) != 0
+ || __builtin_strncmp (str6, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str6 + sizeof (utf8_1) - 1, utf8_2) != 0
+ || __builtin_strncmp (str7, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str7 + sizeof (utf8_1) - 1, utf8_2) != 0
+ || __builtin_strncmp (str8, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str8 + sizeof (utf8_1) - 1, utf8_2) != 0)
+ __builtin_abort ();
+ if (sizeof ("a" u8"b"[0]) != 1
+ || sizeof (u8"a" "b"[0]) != 1
+ || sizeof (u8"a" u8"b"[0]) != 1
+ || sizeof ("a" "\u010d") != 3
+ || sizeof ("a" u8"\u010d") != 4
+ || sizeof (u8"a" "\u010d") != 4
+ || sizeof (u8"a" "\u010d") != 4)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/gcc.dg/utf8-2.c.jj 2008-09-12 11:27:51.000000000 +0200
+++ gcc/testsuite/gcc.dg/utf8-2.c 2008-09-12 11:36:48.000000000 +0200
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+#include <wchar.h>
+
+typedef __CHAR16_TYPE__ char16_t;
+typedef __CHAR32_TYPE__ char32_t;
+
+const char s0[] = u8"ab";
+const char16_t s1[] = u8"ab"; /* { dg-error "from non-wide" } */
+const char32_t s2[] = u8"ab"; /* { dg-error "from non-wide" } */
+const wchar_t s3[] = u8"ab"; /* { dg-error "from non-wide" } */
+
+const char t0[0] = u8"ab"; /* { dg-warning "chars is too long" } */
+const char t1[1] = u8"ab"; /* { dg-warning "chars is too long" } */
+const char t2[2] = u8"ab";
+const char t3[3] = u8"ab";
+const char t4[4] = u8"ab";
+
+const char u0[0] = u8"\u2160."; /* { dg-warning "chars is too long" } */
+const char u1[1] = u8"\u2160."; /* { dg-warning "chars is too long" } */
+const char u2[2] = u8"\u2160."; /* { dg-warning "chars is too long" } */
+const char u3[3] = u8"\u2160."; /* { dg-warning "chars is too long" } */
+const char u4[4] = u8"\u2160.";
+const char u5[5] = u8"\u2160.";
+const char u6[6] = u8"\u2160.";
--- gcc/testsuite/gcc.dg/utf-badconcat2.c.jj 2008-09-12 11:28:26.000000000 +0200
+++ gcc/testsuite/gcc.dg/utf-badconcat2.c 2008-09-12 11:30:53.000000000 +0200
@@ -0,0 +1,15 @@
+/* Test unsupported concatenation of UTF-8 string literals. */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+void *s0 = u8"a" "b";
+void *s1 = "a" u8"b";
+void *s2 = u8"a" u8"b";
+void *s3 = u8"a" u"b"; /* { dg-error "non-standard concatenation" } */
+void *s4 = u"a" u8"b"; /* { dg-error "non-standard concatenation" } */
+void *s5 = u8"a" U"b"; /* { dg-error "non-standard concatenation" } */
+void *s6 = U"a" u8"b"; /* { dg-error "non-standard concatenation" } */
+void *s7 = u8"a" L"b"; /* { dg-error "non-standard concatenation" } */
+void *s8 = L"a" u8"b"; /* { dg-error "non-standard concatenation" } */
+
+int main () {}
--- gcc/testsuite/gcc.dg/utf-dflt2.c.jj 2008-09-12 11:32:03.000000000 +0200
+++ gcc/testsuite/gcc.dg/utf-dflt2.c 2008-09-12 13:24:39.000000000 +0200
@@ -0,0 +1,12 @@
+/* If not gnu99, the u8 prefix should be parsed as separate tokens. */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+const void *s0 = u8"a"; /* { dg-error "undeclared" } */
+ /* { dg-error "expected ',' or ';'" "" { target *-*-* } 5 } */
+
+#define u8 "a"
+
+const void *s1 = u8"a";
+
+int main () {}
--- gcc/testsuite/g++.dg/ext/raw-string-1.C.jj 2008-09-12 11:48:36.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-1.C 2008-09-12 14:18:07.000000000 +0200
@@ -0,0 +1,96 @@
+// { dg-do run }
+// { dg-options "-std=c++0x" }
+
+const char s0[] = R"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char s1[] = "a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char s2[] = R"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char s3[] = "ab\nc]\"\nc]*|\"\nc";
+
+const char t0[] = u8R"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char t1[] = u8"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char t2[] = u8R"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char t3[] = u8"ab\nc]\"\nc]*|\"\nc";
+
+const char16_t u0[] = uR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char16_t u1[] = u"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char16_t u2[] = uR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char16_t u3[] = u"ab\nc]\"\nc]*|\"\nc";
+
+const char32_t U0[] = UR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const char32_t U1[] = U"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const char32_t U2[] = UR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const char32_t U3[] = U"ab\nc]\"\nc]*|\"\nc";
+
+const wchar_t L0[] = LR"[a\
+\u010d\U0000010D\\\'\"\?\a\b\f\n\r\t\v\0\00\000\xa\xabb
+c]";
+const wchar_t L1[] = L"a\U0000010d\u010d\\\\\\'\\\"\\?\\a\\b\\f\\n\\r\\t\\v\\0\\00\\000\\xa\\xabb\nc";
+const wchar_t L2[] = LR"*|*[a\
+b
+c]"
+c]*|"
+c]*|*";
+const wchar_t L3[] = L"ab\nc]\"\nc]*|\"\nc";
+
+int
+main (void)
+{
+ if (sizeof (s0) != sizeof (s1)
+ || __builtin_memcmp (s0, s1, sizeof (s0)) != 0)
+ __builtin_abort ();
+ if (sizeof (s2) != sizeof (s3)
+ || __builtin_memcmp (s2, s3, sizeof (s2)) != 0)
+ __builtin_abort ();
+ if (sizeof (t0) != sizeof (t1)
+ || __builtin_memcmp (t0, t1, sizeof (t0)) != 0)
+ __builtin_abort ();
+ if (sizeof (t2) != sizeof (t3)
+ || __builtin_memcmp (t2, t3, sizeof (t2)) != 0)
+ __builtin_abort ();
+ if (sizeof (u0) != sizeof (u1)
+ || __builtin_memcmp (u0, u1, sizeof (u0)) != 0)
+ __builtin_abort ();
+ if (sizeof (u2) != sizeof (u3)
+ || __builtin_memcmp (u2, u3, sizeof (u2)) != 0)
+ __builtin_abort ();
+ if (sizeof (U0) != sizeof (U1)
+ || __builtin_memcmp (U0, U1, sizeof (U0)) != 0)
+ __builtin_abort ();
+ if (sizeof (U2) != sizeof (U3)
+ || __builtin_memcmp (U2, U3, sizeof (U2)) != 0)
+ __builtin_abort ();
+ if (sizeof (L0) != sizeof (L1)
+ || __builtin_memcmp (L0, L1, sizeof (L0)) != 0)
+ __builtin_abort ();
+ if (sizeof (L2) != sizeof (L3)
+ || __builtin_memcmp (L2, L3, sizeof (L2)) != 0)
+ __builtin_abort ();
+ if (sizeof (R"*[]*") != 1
+ || __builtin_memcmp (R"*[]*", "", 1) != 0)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/g++.dg/ext/raw-string-2.C.jj 2008-09-12 12:14:42.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-2.C 2008-09-12 14:18:14.000000000 +0200
@@ -0,0 +1,104 @@
+// { dg-do run }
+// { dg-options "-std=c++0x" }
+
+#define R
+#define u
+#define uR
+#define U
+#define UR
+#define u8
+#define u8R
+#define L
+#define LR
+
+const char s00[] = R"[a]" "[b]";
+const char s01[] = "[a]" R"*[b]*";
+const char s02[] = R"[a]" R"[b]";
+const char s03[] = R"-[a]-" u8"[b]";
+const char s04[] = "[a]" u8R"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char s05[] = R"[a]" u8R"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char s06[] = u8R";([a];(" "[b]";
+const char s07[] = u8"[a]" R"[b]";
+const char s08[] = u8R"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char s09[] = u8R"/^&|~!=,"'\[a]/^&|~!=,"'\" u8"[b]";
+const char s10[] = u8"[a]" u8R"0123456789abcdef[b]0123456789abcdef";
+const char s11[] = u8R"ghijklmnopqrstuv[a]ghijklmnopqrstuv" u8R"w[b]w";
+
+const char16_t u03[] = R"-[a]-" u"[b]";
+const char16_t u04[] = "[a]" uR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char16_t u05[] = R"[a]" uR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char16_t u06[] = uR";([a];(" "[b]";
+const char16_t u07[] = u"[a]" R"[b]";
+const char16_t u08[] = uR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char16_t u09[] = uR"/^&|~!=,"'\[a]/^&|~!=,"'\" u"[b]";
+const char16_t u10[] = u"[a]" uR"0123456789abcdef[b]0123456789abcdef";
+const char16_t u11[] = uR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" uR"w[b]w";
+
+const char32_t U03[] = R"-[a]-" U"[b]";
+const char32_t U04[] = "[a]" UR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const char32_t U05[] = R"[a]" UR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const char32_t U06[] = UR";([a];(" "[b]";
+const char32_t U07[] = U"[a]" R"[b]";
+const char32_t U08[] = UR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const char32_t U09[] = UR"/^&|~!=,"'\[a]/^&|~!=,"'\" U"[b]";
+const char32_t U10[] = U"[a]" UR"0123456789abcdef[b]0123456789abcdef";
+const char32_t U11[] = UR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" UR"w[b]w";
+
+const wchar_t L03[] = R"-[a]-" L"[b]";
+const wchar_t L04[] = "[a]" LR"MNOPQRSTUVWXYZ[b]MNOPQRSTUVWXYZ";
+const wchar_t L05[] = R"[a]" LR"wxyzABCDEFGHIJKL[b]wxyzABCDEFGHIJKL";
+const wchar_t L06[] = LR";([a];(" "[b]";
+const wchar_t L07[] = L"[a]" R"[b]";
+const wchar_t L08[] = LR"[a]" R"_{}#()<>%:;.?*+-[b]_{}#()<>%:;.?*+-";
+const wchar_t L09[] = LR"/^&|~!=,"'\[a]/^&|~!=,"'\" L"[b]";
+const wchar_t L10[] = L"[a]" LR"0123456789abcdef[b]0123456789abcdef";
+const wchar_t L11[] = LR"ghijklmnopqrstuv[a]ghijklmnopqrstuv" LR"w[b]w";
+
+int
+main (void)
+{
+#define TEST(str, val) \
+ if (sizeof (str) != sizeof (val) \
+ || __builtin_memcmp (str, val, sizeof (str)) != 0) \
+ __builtin_abort ()
+ TEST (s00, "a[b]");
+ TEST (s01, "[a]b");
+ TEST (s02, "ab");
+ TEST (s03, "a[b]");
+ TEST (s04, "[a]b");
+ TEST (s05, "ab");
+ TEST (s06, "a[b]");
+ TEST (s07, "[a]b");
+ TEST (s08, "ab");
+ TEST (s09, "a[b]");
+ TEST (s10, "[a]b");
+ TEST (s11, "ab");
+ TEST (u03, u"a[b]");
+ TEST (u04, u"[a]b");
+ TEST (u05, u"ab");
+ TEST (u06, u"a[b]");
+ TEST (u07, u"[a]b");
+ TEST (u08, u"ab");
+ TEST (u09, u"a[b]");
+ TEST (u10, u"[a]b");
+ TEST (u11, u"ab");
+ TEST (U03, U"a[b]");
+ TEST (U04, U"[a]b");
+ TEST (U05, U"ab");
+ TEST (U06, U"a[b]");
+ TEST (U07, U"[a]b");
+ TEST (U08, U"ab");
+ TEST (U09, U"a[b]");
+ TEST (U10, U"[a]b");
+ TEST (U11, U"ab");
+ TEST (L03, L"a[b]");
+ TEST (L04, L"[a]b");
+ TEST (L05, L"ab");
+ TEST (L06, L"a[b]");
+ TEST (L07, L"[a]b");
+ TEST (L08, L"ab");
+ TEST (L09, L"a[b]");
+ TEST (L10, L"[a]b");
+ TEST (L11, L"ab");
+ return 0;
+}
--- gcc/testsuite/g++.dg/ext/raw-string-3.C.jj 2008-09-12 13:27:09.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-3.C 2008-09-12 14:17:57.000000000 +0200
@@ -0,0 +1,58 @@
+// If c++98, the {,u,u8,U,L}R prefix should be parsed as separate
+// token.
+// { dg-do compile }
+// { dg-options "-std=c++98" }
+
+const void *s0 = R"[a]"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 6 }
+const void *s1 = uR"[a]"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 8 }
+const void *s2 = UR"[a]"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 10 }
+const void *s3 = u8R"[a]"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 12 }
+const void *s4 = LR"[a]"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 14 }
+
+const int i0 = R'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 17 }
+const int i1 = uR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 19 }
+const int i2 = UR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 21 }
+const int i3 = u8R'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 23 }
+const int i4 = LR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 25 }
+
+#define R "a"
+#define uR "b"
+#define UR "c"
+#define u8R "d"
+#define LR "e"
+
+const void *s5 = R"[a]";
+const void *s6 = uR"[a]";
+const void *s7 = UR"[a]";
+const void *s8 = u8R"[a]";
+const void *s9 = LR"[a]";
+
+#undef R
+#undef uR
+#undef UR
+#undef u8R
+#undef LR
+
+#define R 1 +
+#define uR 2 +
+#define UR 3 +
+#define u8R 4 +
+#define LR 5 +
+
+const int i5 = R'a';
+const int i6 = uR'a';
+const int i7 = UR'a';
+const int i8 = u8R'a';
+const int i9 = LR'a';
+
+int main () {}
--- gcc/testsuite/g++.dg/ext/raw-string-4.C.jj 2008-09-12 13:27:09.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-4.C 2008-09-12 14:18:23.000000000 +0200
@@ -0,0 +1,28 @@
+// R is not applicable for character literals.
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+const int i0 = R'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 5 }
+const int i1 = uR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 7 }
+const int i2 = UR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 9 }
+const int i3 = u8R'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 11 }
+const int i4 = LR'a'; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 13 }
+
+#define R 1 +
+#define uR 2 +
+#define UR 3 +
+#define u8R 4 +
+#define LR 5 +
+
+const int i5 = R'a';
+const int i6 = uR'a';
+const int i7 = UR'a';
+const int i8 = u8R'a';
+const int i9 = LR'a';
+
+int main () {}
--- gcc/testsuite/g++.dg/ext/raw-string-5.C.jj 2008-09-12 13:49:58.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-5.C 2008-09-12 14:18:32.000000000 +0200
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+const void *s0 = R"0123456789abcdefg[]0123456789abcdefg";
+ // { dg-error "raw string delimiter longer" "" { target *-*-* } 4 }
+ // { dg-error "stray" "" { target *-*-* } 4 }
+const void *s1 = R" [] ";
+ // { dg-error "invalid character" "" { target *-*-* } 7 }
+ // { dg-error "stray" "" { target *-*-* } 7 }
+const void *s2 = R" [] ";
+ // { dg-error "invalid character" "" { target *-*-* } 10 }
+ // { dg-error "stray" "" { target *-*-* } 10 }
+const void *s3 = R"][]]";
+ // { dg-error "invalid character" "" { target *-*-* } 13 }
+ // { dg-error "stray" "" { target *-*-* } 13 }
+const void *s4 = R"@[]@";
+ // { dg-error "invalid character" "" { target *-*-* } 16 }
+ // { dg-error "stray" "" { target *-*-* } 16 }
+const void *s5 = R"$[]$";
+ // { dg-error "invalid character" "" { target *-*-* } 19 }
+ // { dg-error "stray" "" { target *-*-* } 19 }
+
+int main () {}
--- gcc/testsuite/g++.dg/ext/raw-string-6.C.jj 2008-09-12 13:59:33.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-6.C 2008-09-12 14:20:21.000000000 +0200
@@ -0,0 +1,5 @@
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+const void *s0 = R"ouch[]ouCh"; // { dg-error "at end of input" }
+ // { dg-error "unterminated raw string" "" { target *-*-* } 6 }
--- gcc/testsuite/g++.dg/ext/raw-string-7.C.jj 2008-09-12 14:34:54.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/raw-string-7.C 2008-09-12 14:36:40.000000000 +0200
@@ -0,0 +1,23 @@
+// The trailing whitespace after \ and before newline extension
+// breaks full compliance for raw strings.
+// { dg-do run { xfail *-*-* } }
+// { dg-options "-std=c++0x" }
+
+// Note, there is a single space after \ on the following line.
+const char *s0 = R"[\
+]";
+// { dg-bogus "backslash and newline separated by space" "" { xfail *-*-* } 7 }
+
+// Note, there is a single tab after \ on the following line.
+const char *s1 = R"[\
+]";
+// { dg-bogus "backslash and newline separated by space" "" { xfail *-*-* } 12 }
+
+int
+main (void)
+{
+ if (__builtin_strcmp (s0, "\\ \n") != 0
+ || __builtin_strcmp (s1, "\\\t\n") != 0)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/g++.dg/ext/utf8-1.C.jj 2008-09-12 10:01:47.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/utf8-1.C 2008-09-12 14:18:53.000000000 +0200
@@ -0,0 +1,45 @@
+// { dg-do run }
+// { dg-require-iconv "ISO-8859-2" }
+// { dg-options "-std=c++0x -fexec-charset=ISO-8859-2" }
+
+const char *str1 = "h\u00e1\U0000010Dky ";
+const char *str2 = "\u010d\u00E1rky\n";
+const char *str3 = u8"h\u00e1\U0000010Dky ";
+const char *str4 = u8"\u010d\u00E1rky\n";
+const char *str5 = "h\u00e1\U0000010Dky " "\u010d\u00E1rky\n";
+const char *str6 = u8"h\u00e1\U0000010Dky " "\u010d\u00E1rky\n";
+const char *str7 = "h\u00e1\U0000010Dky " u8"\u010d\u00E1rky\n";
+#define u8
+const char *str8 = u8"h\u00e1\U0000010Dky " u8"\u010d\u00E1rky\n";
+
+const char latin2_1[] = "\x68\xe1\xe8\x6b\x79\x20";
+const char latin2_2[] = "\xe8\xe1\x72\x6b\x79\n";
+const char utf8_1[] = "\x68\xc3\xa1\xc4\x8d\x6b\x79\x20";
+const char utf8_2[] = "\xc4\x8d\xc3\xa1\x72\x6b\x79\n";
+
+int
+main (void)
+{
+ if (__builtin_strcmp (str1, latin2_1) != 0
+ || __builtin_strcmp (str2, latin2_2) != 0
+ || __builtin_strcmp (str3, utf8_1) != 0
+ || __builtin_strcmp (str4, utf8_2) != 0
+ || __builtin_strncmp (str5, latin2_1, sizeof (latin2_1) - 1) != 0
+ || __builtin_strcmp (str5 + sizeof (latin2_1) - 1, latin2_2) != 0
+ || __builtin_strncmp (str6, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str6 + sizeof (utf8_1) - 1, utf8_2) != 0
+ || __builtin_strncmp (str7, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str7 + sizeof (utf8_1) - 1, utf8_2) != 0
+ || __builtin_strncmp (str8, utf8_1, sizeof (utf8_1) - 1) != 0
+ || __builtin_strcmp (str8 + sizeof (utf8_1) - 1, utf8_2) != 0)
+ __builtin_abort ();
+ if (sizeof ("a" u8"b"[0]) != 1
+ || sizeof (u8"a" "b"[0]) != 1
+ || sizeof (u8"a" u8"b"[0]) != 1
+ || sizeof ("a" "\u010d") != 3
+ || sizeof ("a" u8"\u010d") != 4
+ || sizeof (u8"a" "\u010d") != 4
+ || sizeof (u8"a" "\u010d") != 4)
+ __builtin_abort ();
+ return 0;
+}
--- gcc/testsuite/g++.dg/ext/utf8-2.C.jj 2008-09-12 11:27:51.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/utf8-2.C 2008-09-12 14:19:01.000000000 +0200
@@ -0,0 +1,21 @@
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+const char s0[] = u8"ab";
+const char16_t s1[] = u8"ab"; // { dg-error "from non-wide" }
+const char32_t s2[] = u8"ab"; // { dg-error "from non-wide" }
+const wchar_t s3[] = u8"ab"; // { dg-error "from non-wide" }
+
+const char t0[0] = u8"ab"; // { dg-error "chars is too long" }
+const char t1[1] = u8"ab"; // { dg-error "chars is too long" }
+const char t2[2] = u8"ab"; // { dg-error "chars is too long" }
+const char t3[3] = u8"ab";
+const char t4[4] = u8"ab";
+
+const char u0[0] = u8"\u2160."; // { dg-error "chars is too long" }
+const char u1[1] = u8"\u2160."; // { dg-error "chars is too long" }
+const char u2[2] = u8"\u2160."; // { dg-error "chars is too long" }
+const char u3[3] = u8"\u2160."; // { dg-error "chars is too long" }
+const char u4[4] = u8"\u2160."; // { dg-error "chars is too long" }
+const char u5[5] = u8"\u2160.";
+const char u6[6] = u8"\u2160.";
--- gcc/testsuite/g++.dg/ext/utf-badconcat2.C.jj 2008-09-12 11:28:26.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/utf-badconcat2.C 2008-09-12 14:19:17.000000000 +0200
@@ -0,0 +1,15 @@
+// Test unsupported concatenation of UTF-8 string literals.
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+const void *s0 = u8"a" "b";
+const void *s1 = "a" u8"b";
+const void *s2 = u8"a" u8"b";
+const void *s3 = u8"a" u"b"; // { dg-error "non-standard concatenation" }
+const void *s4 = u"a" u8"b"; // { dg-error "non-standard concatenation" }
+const void *s5 = u8"a" U"b"; // { dg-error "non-standard concatenation" }
+const void *s6 = U"a" u8"b"; // { dg-error "non-standard concatenation" }
+const void *s7 = u8"a" L"b"; // { dg-error "non-standard concatenation" }
+const void *s8 = L"a" u8"b"; // { dg-error "non-standard concatenation" }
+
+int main () {}
--- gcc/testsuite/g++.dg/ext/utf-dflt2.C.jj 2008-09-12 11:32:03.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/utf-dflt2.C 2008-09-12 14:19:28.000000000 +0200
@@ -0,0 +1,12 @@
+// In C++0x, the u8 prefix should be parsed as separate tokens.
+// { dg-do compile }
+// { dg-options "-std=c++98" }
+
+const void *s0 = u8"a"; // { dg-error "was not declared" }
+ // { dg-error "expected ',' or ';'" "" { target *-*-* } 5 }
+
+#define u8 "a"
+
+const void *s1 = u8"a";
+
+int main () {}
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