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cpp-id-data.h (UC): Was U, conflicts with U...

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libcpp/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* include/cpp-id-data.h (UC): Was U, conflicts with U... literal.
* include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
(struct cpp_options): Added uliterals.
(cpp_interpret_string): Update prototype.
(cpp_interpret_string_notranslate): Idem.
* charset.c (init_iconv_desc): New width member in cset_converter.
(cpp_init_iconv): Add support for char{16,32}_cset_desc.
(convert_ucn): Idem.
(emit_numeric_escape): Idem.
(convert_hex): Idem.
(convert_oct): Idem.
(convert_escape): Idem.
(converter_for_type): New function.
(cpp_interpret_string): Use converter_for_type, support u and U prefix.
(cpp_interpret_string_notranslate): Match changed prototype.
(wide_str_to_charconst): Use converter_for_type.
(cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
* directives.c (linemarker_dir): Macro U changed to UC.
(parse_include): Idem.
(register_pragma_1): Idem.
(restore_registered_pragmas): Idem.
(get__Pragma_string): Support CPP_STRING{16,32}.
* expr.c (eval_token): Support CPP_CHAR{16,32}.
* init.c (struct lang_flags): Added uliterals.
(lang_defaults): Idem.
* internal.h (struct cset_converter) <width>: New field.
(struct cpp_reader) <char16_cset_desc>: Idem.
(struct cpp_reader) <char32_cset_desc>: Idem.
* lex.c (digraph_spellings): Macro U changed to UC.
(OP, TK): Idem.
(lex_string): Add support for u'...', U'...', u... and U....
(_cpp_lex_direct): Idem.
* macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
(stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.

gcc/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>
  
* c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
(fname_as_string): Match updated cpp_interpret_string prototype.
(fix_string_type): Support char16_t* and char32_t*.
(c_common_nodes_and_builtins): Add char16_t and char32_t (and
derivative) nodes.  Register as builtin if C++0x.
(c_parse_error): Support CPP_CHAR{16,32}.
* c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
(enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
CTI_CHAR32_ARRAY_TYPE>: New elements.
(char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
char32_type_node, signed_char32_type_node, char16_array_type_node,
char32_array_type_node): New defines.
* c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
(c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
(lex_string): Support CPP_STRING{16,32}, match updated
cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
(lex_charconst): Support CPP_CHAR{16,32}.
* c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
and CPP_STRING{16,32}.

gcc/cp/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* cvt.c (type_promotes_to): Support char16_t and char32_t.
* decl.c (grokdeclarator): Disallow signed/unsigned/short/long on
char16_t and char32_t.
* lex.c (reswords): Add char16_t and char32_t (for c++0x).
* mangle.c (write_builtin_type): Mangle char16_t/char32_t as vendor
extended builtin type u8char32_t.
* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Support
RID_CHAR{16,32}.
(cp_lexer_print_token): Support CPP_STRING{16,32}.
(cp_parser_is_string_literal): Idem.
(cp_parser_string_literal): Idem.
(cp_parser_primary_expression): Support CPP_CHAR{16,32} and
CPP_STRING{16,32}.
(cp_parser_simple_type_specifier): Support RID_CHAR{16,32}. 
* tree.c (char_type_p): Support char16_t and char32_t as char types.
* typeck.c (string_conv_p): Support char16_t and char32_t.

gcc/testsuite/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

Tests for char16_t and char32_t support.
* g++.dg/ext/utf-cvt.C: New
* g++.dg/ext/utf-cxx0x.C: New
* g++.dg/ext/utf-cxx98.C: New
* g++.dg/ext/utf-dflt.C: New
* g++.dg/ext/utf-gnuxx0x.C: New
* g++.dg/ext/utf-gnuxx98.C: New
* g++.dg/ext/utf-mangle.C: New
* g++.dg/ext/utf-typedef-cxx0x.C: New
* g++.dg/ext/utf-typedef-
* g++.dg/ext/utf-typespec.C: New
* g++.dg/ext/utf16-1.C: New
* g++.dg/ext/utf16-2.C: New
* g++.dg/ext/utf16-3.C: New
* g++.dg/ext/utf16-4.C: New
* g++.dg/ext/utf32-1.C: New
* g++.dg/ext/utf32-2.C: New
* g++.dg/ext/utf32-3.C: New
* g++.dg/ext/utf32-4.C: New
* gcc.dg/utf-cvt.c: New
* gcc.dg/utf-dflt.c: New
* gcc.dg/utf16-1.c: New
* gcc.dg/utf16-2.c: New
* gcc.dg/utf16-3.c: New
* gcc.dg/utf16-4.c: New
* gcc.dg/utf32-1.c: New
* gcc.dg/utf32-2.c: New
* gcc.dg/utf32-3.c: New
* gcc.dg/utf32-4.c: New

libiberty/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* testsuite/demangle-expected: Added tests for char16_t and char32_t.

From-SVN: r134438
This commit is contained in:
Kris Van Hees 2008-04-18 13:58:08 +00:00 committed by Jason Merrill
parent 14a8726b8a
commit b6baa67d79
56 changed files with 1482 additions and 126 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
gcc/ChangeLog
View File

@ -1,3 +1,27 @@
2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
* c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
(fname_as_string): Match updated cpp_interpret_string prototype.
(fix_string_type): Support char16_t* and char32_t*.
(c_common_nodes_and_builtins): Add char16_t and char32_t (and
derivative) nodes. Register as builtin if C++0x.
(c_parse_error): Support CPP_CHAR{16,32}.
* c-common.h (RID_CHAR16, RID_CHAR32): New elements.
(enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
CTI_CHAR32_ARRAY_TYPE>: New elements.
(char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
char32_type_node, signed_char32_type_node, char16_array_type_node,
char32_array_type_node): New defines.
* c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
(c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
(lex_string): Support CPP_STRING{16,32}, match updated
cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
(lex_charconst): Support CPP_CHAR{16,32}.
* c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
and CPP_STRING{16,32}.
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/35457

108
gcc/c-common.c
View File

@ -66,6 +66,14 @@ cpp_reader *parse_in; /* Declared in c-pragma.h. */
#define PID_TYPE "int"
#endif
#ifndef CHAR16_TYPE
#define CHAR16_TYPE "short unsigned int"
#endif
#ifndef CHAR32_TYPE
#define CHAR32_TYPE "unsigned int"
#endif
#ifndef WCHAR_TYPE
#define WCHAR_TYPE "int"
#endif
@ -123,6 +131,9 @@ cpp_reader *parse_in; /* Declared in c-pragma.h. */
tree signed_wchar_type_node;
tree unsigned_wchar_type_node;
tree char16_type_node;
tree char32_type_node;
tree float_type_node;
tree double_type_node;
tree long_double_type_node;
@ -174,6 +185,16 @@ cpp_reader *parse_in; /* Declared in c-pragma.h. */
tree wchar_array_type_node;
Type `char16_t[SOMENUMBER]' or something like it.
Used when a UTF-16 string literal is created.
tree char16_array_type_node;
Type `char32_t[SOMENUMBER]' or something like it.
Used when a UTF-32 string literal is created.
tree char32_array_type_node;
Type `int ()' -- used for implicit declaration of functions.
tree default_function_type;
@ -777,7 +798,7 @@ fname_as_string (int pretty_p)
strname.text = (unsigned char *) namep;
strname.len = len - 1;
if (cpp_interpret_string (parse_in, &strname, 1, &cstr, false))
if (cpp_interpret_string (parse_in, &strname, 1, &cstr, CPP_STRING))
{
XDELETEVEC (namep);
return (const char *) cstr.text;
@ -857,14 +878,31 @@ fname_decl (unsigned int rid, tree id)
tree
fix_string_type (tree value)
{
const int wchar_bytes = TYPE_PRECISION (wchar_type_node) / BITS_PER_UNIT;
const int wide_flag = TREE_TYPE (value) == wchar_array_type_node;
int length = TREE_STRING_LENGTH (value);
int nchars;
tree e_type, i_type, a_type;
/* Compute the number of elements, for the array type. */
nchars = wide_flag ? length / wchar_bytes : length;
if (TREE_TYPE (value) == char_array_type_node || !TREE_TYPE (value))
{
nchars = length;
e_type = char_type_node;
}
else if (TREE_TYPE (value) == char16_array_type_node)
{
nchars = length / (TYPE_PRECISION (char16_type_node) / BITS_PER_UNIT);
e_type = char16_type_node;
}
else if (TREE_TYPE (value) == char32_array_type_node)
{
nchars = length / (TYPE_PRECISION (char32_type_node) / BITS_PER_UNIT);
e_type = char32_type_node;
}
else
{
nchars = length / (TYPE_PRECISION (wchar_type_node) / BITS_PER_UNIT);
e_type = wchar_type_node;
}
/* C89 2.2.4.1, C99 5.2.4.1 (Translation limits). The analogous
limit in C++98 Annex B is very large (65536) and is not normative,
@ -899,7 +937,6 @@ fix_string_type (tree value)
construct the matching unqualified array type first. The C front
end does not require this, but it does no harm, so we do it
unconditionally. */
e_type = wide_flag ? wchar_type_node : char_type_node;
i_type = build_index_type (build_int_cst (NULL_TREE, nchars - 1));
a_type = build_array_type (e_type, i_type);
if (c_dialect_cxx() || warn_write_strings)
@ -3629,6 +3666,8 @@ c_define_builtins (tree va_list_ref_type_node, tree va_list_arg_type_node)
void
c_common_nodes_and_builtins (void)
{
int char16_type_size;
int char32_type_size;
int wchar_type_size;
tree array_domain_type;
tree va_list_ref_type_node;
@ -3878,6 +3917,38 @@ c_common_nodes_and_builtins (void)
wchar_array_type_node
= build_array_type (wchar_type_node, array_domain_type);
/* Define 'char16_t'. */
char16_type_node = get_identifier (CHAR16_TYPE);
char16_type_node = TREE_TYPE (identifier_global_value (char16_type_node));
char16_type_size = TYPE_PRECISION (char16_type_node);
if (c_dialect_cxx ())
{
char16_type_node = make_unsigned_type (char16_type_size);
if (cxx_dialect == cxx0x)
record_builtin_type (RID_CHAR16, "char16_t", char16_type_node);
}
/* This is for UTF-16 string constants. */
char16_array_type_node
= build_array_type (char16_type_node, array_domain_type);
/* Define 'char32_t'. */
char32_type_node = get_identifier (CHAR32_TYPE);
char32_type_node = TREE_TYPE (identifier_global_value (char32_type_node));
char32_type_size = TYPE_PRECISION (char32_type_node);
if (c_dialect_cxx ())
{
char32_type_node = make_unsigned_type (char32_type_size);
if (cxx_dialect == cxx0x)
record_builtin_type (RID_CHAR32, "char32_t", char32_type_node);
}
/* This is for UTF-32 string constants. */
char32_array_type_node
= build_array_type (char32_type_node, array_domain_type);
wint_type_node =
TREE_TYPE (identifier_global_value (get_identifier (WINT_TYPE)));
@ -6662,20 +6733,39 @@ c_parse_error (const char *gmsgid, enum cpp_ttype token, tree value)
if (token == CPP_EOF)
message = catenate_messages (gmsgid, " at end of input");
else if (token == CPP_CHAR || token == CPP_WCHAR)
else if (token == CPP_CHAR || token == CPP_WCHAR || token == CPP_CHAR16
|| token == CPP_CHAR32)
{
unsigned int val = TREE_INT_CST_LOW (value);
const char *const ell = (token == CPP_CHAR) ? "" : "L";
const char *prefix;
switch (token)
{
default:
prefix = "";
break;
case CPP_WCHAR:
prefix = "L";
break;
case CPP_CHAR16:
prefix = "u";
break;
case CPP_CHAR32:
prefix = "U";
break;
}
if (val <= UCHAR_MAX && ISGRAPH (val))
message = catenate_messages (gmsgid, " before %s'%c'");
else
message = catenate_messages (gmsgid, " before %s'\\x%x'");
error (message, ell, val);
error (message, prefix, val);
free (message);
message = NULL;
}
else if (token == CPP_STRING || token == CPP_WSTRING)
else if (token == CPP_STRING || token == CPP_WSTRING || token == CPP_STRING16
|| token == CPP_STRING32)
message = catenate_messages (gmsgid, " before string constant");
else if (token == CPP_NUMBER)
message = catenate_messages (gmsgid, " before numeric constant");

10
gcc/c-common.h
View File

@ -85,7 +85,7 @@ enum rid
RID_NEW, RID_OFFSETOF, RID_OPERATOR,
RID_THIS, RID_THROW, RID_TRUE,
RID_TRY, RID_TYPENAME, RID_TYPEID,
RID_USING,
RID_USING, RID_CHAR16, RID_CHAR32,
/* casts */
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
@ -143,6 +143,8 @@ extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers;
enum c_tree_index
{
CTI_CHAR16_TYPE,
CTI_CHAR32_TYPE,
CTI_WCHAR_TYPE,
CTI_SIGNED_WCHAR_TYPE,
CTI_UNSIGNED_WCHAR_TYPE,
@ -155,6 +157,8 @@ enum c_tree_index
CTI_WIDEST_UINT_LIT_TYPE,
CTI_CHAR_ARRAY_TYPE,
CTI_CHAR16_ARRAY_TYPE,
CTI_CHAR32_ARRAY_TYPE,
CTI_WCHAR_ARRAY_TYPE,
CTI_INT_ARRAY_TYPE,
CTI_STRING_TYPE,
@ -190,6 +194,8 @@ struct c_common_identifier GTY(())
struct cpp_hashnode node;
};
#define char16_type_node c_global_trees[CTI_CHAR16_TYPE]
#define char32_type_node c_global_trees[CTI_CHAR32_TYPE]
#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
@ -206,6 +212,8 @@ struct c_common_identifier GTY(())
#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE]
#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
#define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE]
#define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE]
#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE]
#define string_type_node c_global_trees[CTI_STRING_TYPE]

80
gcc/c-lex.c
View File

@ -174,7 +174,7 @@ cb_ident (cpp_reader * ARG_UNUSED (pfile),
{
/* Convert escapes in the string. */
cpp_string cstr = { 0, 0 };
if (cpp_interpret_string (pfile, str, 1, &cstr, false))
if (cpp_interpret_string (pfile, str, 1, &cstr, CPP_STRING))
{
ASM_OUTPUT_IDENT (asm_out_file, (const char *) cstr.text);
free (CONST_CAST (unsigned char *, cstr.text));
@ -361,6 +361,8 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags,
case CPP_STRING:
case CPP_WSTRING:
case CPP_STRING16:
case CPP_STRING32:
type = lex_string (tok, value, true, true);
break;
@ -410,11 +412,15 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags,
case CPP_CHAR:
case CPP_WCHAR:
case CPP_CHAR16:
case CPP_CHAR32:
*value = lex_charconst (tok);
break;
case CPP_STRING:
case CPP_WSTRING:
case CPP_STRING16:
case CPP_STRING32:
if ((lex_flags & C_LEX_RAW_STRINGS) == 0)
{
type = lex_string (tok, value, false,
@ -822,12 +828,12 @@ interpret_fixed (const cpp_token *token, unsigned int flags)
return value;
}
/* Convert a series of STRING and/or WSTRING 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 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.
Returns the CPP token type of the result (CPP_STRING, CPP_WSTRING,
or CPP_OBJC_STRING).
CPP_STRING32, CPP_STRING16, 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
@ -842,19 +848,16 @@ static enum cpp_ttype
lex_string (const cpp_token *tok, tree *valp, bool objc_string, bool translate)
{
tree value;
bool wide = false;
size_t concats = 0;
struct obstack str_ob;
cpp_string istr;
enum cpp_ttype type = tok->type;
/* Try to avoid the overhead of creating and destroying an obstack
for the common case of just one string. */
cpp_string str = tok->val.str;
cpp_string *strs = &str;
if (tok->type == CPP_WSTRING)
wide = true;
retry:
tok = cpp_get_token (parse_in);
switch (tok->type)
@ -873,8 +876,15 @@ lex_string (const cpp_token *tok, tree *valp, bool objc_string, bool translate)
break;
case CPP_WSTRING:
wide = true;
/* FALLTHROUGH */
case CPP_STRING16:
case CPP_STRING32:
if (type != tok->type)
{
if (type == CPP_STRING)
type = tok->type;
else
error ("unsupported non-standard concatenation of string literals");
}
case CPP_STRING:
if (!concats)
@ -899,7 +909,7 @@ lex_string (const cpp_token *tok, tree *valp, bool objc_string, bool translate)
if ((translate
? cpp_interpret_string : cpp_interpret_string_notranslate)
(parse_in, strs, concats + 1, &istr, wide))
(parse_in, strs, concats + 1, &istr, type))
{
value = build_string (istr.len, (const char *) istr.text);
free (CONST_CAST (unsigned char *, istr.text));
@ -909,22 +919,52 @@ lex_string (const cpp_token *tok, tree *valp, bool objc_string, bool translate)
/* Callers cannot generally handle error_mark_node in this context,
so return the empty string instead. cpp_interpret_string has
issued an error. */
if (wide)
switch (type)
{
default:
case CPP_STRING:
value = build_string (1, "");
break;
case CPP_STRING16:
value = build_string (TYPE_PRECISION (char16_type_node)
/ TYPE_PRECISION (char_type_node),
"\0"); /* char16_t is 16 bits */
break;
case CPP_STRING32:
value = build_string (TYPE_PRECISION (char32_type_node)
/ TYPE_PRECISION (char_type_node),
"\0\0\0"); /* char32_t is 32 bits */
break;
case CPP_WSTRING:
value = build_string (TYPE_PRECISION (wchar_type_node)
/ TYPE_PRECISION (char_type_node),
"\0\0\0"); /* widest supported wchar_t
is 32 bits */
else
value = build_string (1, "");
break;
}
}
TREE_TYPE (value) = wide ? wchar_array_type_node : char_array_type_node;
switch (type)
{
default:
case CPP_STRING:
TREE_TYPE (value) = char_array_type_node;
break;
case CPP_STRING16:
TREE_TYPE (value) = char16_array_type_node;
break;
case CPP_STRING32:
TREE_TYPE (value) = char32_array_type_node;
break;
case CPP_WSTRING:
TREE_TYPE (value) = wchar_array_type_node;
}
*valp = fix_string_type (value);
if (concats)
obstack_free (&str_ob, 0);
return objc_string ? CPP_OBJC_STRING : wide ? CPP_WSTRING : CPP_STRING;
return objc_string ? CPP_OBJC_STRING : type;
}
/* Converts a (possibly wide) character constant token into a tree. */
@ -941,6 +981,10 @@ lex_charconst (const cpp_token *token)
if (token->type == CPP_WCHAR)
type = wchar_type_node;
else if (token->type == CPP_CHAR32)
type = char32_type_node;
else if (token->type == CPP_CHAR16)
type = char16_type_node;
/* In C, a character constant has type 'int'.
In C++ 'char', but multi-char charconsts have type 'int'. */
else if (!c_dialect_cxx () || chars_seen > 1)

4
gcc/c-parser.c
View File

@ -5163,12 +5163,16 @@ c_parser_postfix_expression (c_parser *parser)
{
case CPP_NUMBER:
case CPP_CHAR:
case CPP_CHAR16:
case CPP_CHAR32:
case CPP_WCHAR:
expr.value = c_parser_peek_token (parser)->value;
expr.original_code = ERROR_MARK;
c_parser_consume_token (parser);
break;
case CPP_STRING:
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
expr.value = c_parser_peek_token (parser)->value;
expr.original_code = STRING_CST;

19
gcc/cp/ChangeLog
View File

@ -1,3 +1,22 @@
2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
* cvt.c (type_promotes_to): Support char16_t and char32_t.
* decl.c (grokdeclarator): Disallow signed/unsigned/short/long on
char16_t and char32_t.
* lex.c (reswords): Add char16_t and char32_t (for c++0x).
* mangle.c (write_builtin_type): Mangle char16_t/char32_t as vendor
extended builtin type "u8char{16,32}_t".
* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Support
RID_CHAR{16,32}.
(cp_lexer_print_token): Support CPP_STRING{16,32}.
(cp_parser_is_string_literal): Idem.
(cp_parser_string_literal): Idem.
(cp_parser_primary_expression): Support CPP_CHAR{16,32} and
CPP_STRING{16,32}.
(cp_parser_simple_type_specifier): Support RID_CHAR{16,32}.
* tree.c (char_type_p): Support char16_t and char32_t as char types.
* typeck.c (string_conv_p): Support char16_t and char32_t.
2008-04-17 Jason Merrill <jason@redhat.com>
PR c++/35773

2
gcc/cp/cvt.c
View File

@ -1219,6 +1219,8 @@ type_promotes_to (tree type)
/* Normally convert enums to int, but convert wide enums to something
wider. */
else if (TREE_CODE (type) == ENUMERAL_TYPE
|| type == char16_type_node
|| type == char32_type_node
|| type == wchar_type_node)
{
int precision = MAX (TYPE_PRECISION (type),

7
gcc/cp/decl.c
View File

@ -7732,6 +7732,13 @@ grokdeclarator (const cp_declarator *declarator,
error ("%<long%> or %<short%> specified with char for %qs", name);
else if (long_p && short_p)
error ("%<long%> and %<short%> specified together for %qs", name);
else if (type == char16_type_node || type == char32_type_node)
{
if (signed_p || unsigned_p)
error ("%<signed%> or %<unsigned%> invalid for %qs", name);
else if (short_p || long_p)
error ("%<short%> or %<long%> invalid for %qs", name);
}
else
{
ok = 1;

2
gcc/cp/lex.c
View File

@ -241,6 +241,8 @@ static const struct resword reswords[] =
{ "case", RID_CASE, 0 },
{ "catch", RID_CATCH, 0 },
{ "char", RID_CHAR, 0 },
{ "char16_t", RID_CHAR16, D_CXX0X },
{ "char32_t", RID_CHAR32, D_CXX0X },
{ "class", RID_CLASS, 0 },
{ "const", RID_CONST, 0 },
{ "const_cast", RID_CONSTCAST, 0 },

8
gcc/cp/mangle.c
View File

@ -1782,10 +1782,14 @@ write_builtin_type (tree type)
break;
case INTEGER_TYPE:
/* TYPE may still be wchar_t, since that isn't in
integer_type_nodes. */
/* TYPE may still be wchar_t, char16_t, or char32_t, since that
isn't in integer_type_nodes. */
if (type == wchar_type_node)
write_char ('w');
else if (type == char16_type_node)
write_string ("u8char16_t");
else if (type == char32_type_node)
write_string ("u8char32_t");
else if (TYPE_FOR_JAVA (type))
write_java_integer_type_codes (type);
else

72
gcc/cp/parser.c
View File

@ -556,6 +556,8 @@ cp_lexer_next_token_is_decl_specifier_keyword (cp_lexer *lexer)
case RID_TYPENAME:
/* Simple type specifiers. */
case RID_CHAR:
case RID_CHAR16:
case RID_CHAR32:
case RID_WCHAR:
case RID_BOOL:
case RID_SHORT:
@ -789,6 +791,8 @@ cp_lexer_print_token (FILE * stream, cp_token *token)
break;
case CPP_STRING:
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
fprintf (stream, " \"%s\"", TREE_STRING_POINTER (token->u.value));
break;
@ -2033,7 +2037,10 @@ cp_parser_parsing_tentatively (cp_parser* parser)
static bool
cp_parser_is_string_literal (cp_token* token)
{
return (token->type == CPP_STRING || token->type == CPP_WSTRING);
return (token->type == CPP_STRING ||
token->type == CPP_STRING16 ||
token->type == CPP_STRING32 ||
token->type == CPP_WSTRING);
}
/* Returns nonzero if TOKEN is the indicated KEYWORD. */
@ -2867,11 +2874,11 @@ static tree
cp_parser_string_literal (cp_parser *parser, bool translate, bool wide_ok)
{
tree value;
bool wide = false;
size_t count;
struct obstack str_ob;
cpp_string str, istr, *strs;
cp_token *tok;
enum cpp_ttype type;
tok = cp_lexer_peek_token (parser->lexer);
if (!cp_parser_is_string_literal (tok))
@ -2880,6 +2887,8 @@ cp_parser_string_literal (cp_parser *parser, bool translate, bool wide_ok)
return error_mark_node;
}
type = tok->type;
/* Try to avoid the overhead of creating and destroying an obstack
for the common case of just one string. */
if (!cp_parser_is_string_literal
@ -2890,8 +2899,6 @@ cp_parser_string_literal (cp_parser *parser, bool translate, bool wide_ok)
str.text = (const unsigned char *)TREE_STRING_POINTER (tok->u.value);
str.len = TREE_STRING_LENGTH (tok->u.value);
count = 1;
if (tok->type == CPP_WSTRING)
wide = true;
strs = &str;
}
@ -2906,8 +2913,14 @@ cp_parser_string_literal (cp_parser *parser, bool translate, bool wide_ok)
count++;
str.text = (const unsigned char *)TREE_STRING_POINTER (tok->u.value);
str.len = TREE_STRING_LENGTH (tok->u.value);
if (tok->type == CPP_WSTRING)
wide = true;
if (type != tok->type)
{
if (type == CPP_STRING)
type = tok->type;
else if (tok->type != CPP_STRING)
error ("unsupported non-standard concatenation of string literals");
}
obstack_grow (&str_ob, &str, sizeof (cpp_string));
@ -2918,19 +2931,35 @@ cp_parser_string_literal (cp_parser *parser, bool translate, bool wide_ok)
strs = (cpp_string *) obstack_finish (&str_ob);
}
if (wide && !wide_ok)
if (type != CPP_STRING && !wide_ok)
{
cp_parser_error (parser, "a wide string is invalid in this context");
wide = false;
type = CPP_STRING;
}
if ((translate ? cpp_interpret_string : cpp_interpret_string_notranslate)
(parse_in, strs, count, &istr, wide))
(parse_in, strs, count, &istr, type))
{
value = build_string (istr.len, (const char *)istr.text);
free (CONST_CAST (unsigned char *, istr.text));
TREE_TYPE (value) = wide ? wchar_array_type_node : char_array_type_node;
switch (type)
{
default:
case CPP_STRING:
TREE_TYPE (value) = char_array_type_node;
break;
case CPP_STRING16:
TREE_TYPE (value) = char16_array_type_node;
break;
case CPP_STRING32:
TREE_TYPE (value) = char32_array_type_node;
break;
case CPP_WSTRING:
TREE_TYPE (value) = wchar_array_type_node;
break;
}
value = fix_string_type (value);
}
else
@ -3085,6 +3114,8 @@ cp_parser_primary_expression (cp_parser *parser,
string-literal
boolean-literal */
case CPP_CHAR:
case CPP_CHAR16:
case CPP_CHAR32:
case CPP_WCHAR:
case CPP_NUMBER:
token = cp_lexer_consume_token (parser->lexer);
@ -3136,6 +3167,8 @@ cp_parser_primary_expression (cp_parser *parser,
return token->u.value;
case CPP_STRING:
case CPP_STRING16:
case CPP_STRING32:
case CPP_WSTRING:
/* ??? Should wide strings be allowed when parser->translate_strings_p
is false (i.e. in attributes)? If not, we can kill the third
@ -10762,6 +10795,8 @@ cp_parser_type_specifier (cp_parser* parser,
simple-type-specifier:
auto
decltype ( expression )
char16_t
char32_t
GNU Extension:
@ -10791,6 +10826,12 @@ cp_parser_simple_type_specifier (cp_parser* parser,
decl_specs->explicit_char_p = true;
type = char_type_node;
break;
case RID_CHAR16:
type = char16_type_node;
break;
case RID_CHAR32:
type = char32_type_node;
break;
case RID_WCHAR:
type = wchar_type_node;
break;
@ -17754,13 +17795,16 @@ cp_parser_set_decl_spec_type (cp_decl_specifier_seq *decl_specs,
{
decl_specs->any_specifiers_p = true;
/* If the user tries to redeclare bool or wchar_t (with, for
example, in "typedef int wchar_t;") we remember that this is what
happened. In system headers, we ignore these declarations so
that G++ can work with system headers that are not C++-safe. */
/* If the user tries to redeclare bool, char16_t, char32_t, or wchar_t
(with, for example, in "typedef int wchar_t;") we remember that
this is what happened. In system headers, we ignore these
declarations so that G++ can work with system headers that are not
C++-safe. */
if (decl_specs->specs[(int) ds_typedef]
&& !user_defined_p
&& (type_spec == boolean_type_node
|| type_spec == char16_type_node
|| type_spec == char32_type_node
|| type_spec == wchar_type_node)
&& (decl_specs->type
|| decl_specs->specs[(int) ds_long]

2
gcc/cp/tree.c
View File

@ -2474,6 +2474,8 @@ char_type_p (tree type)
return (same_type_p (type, char_type_node)
|| same_type_p (type, unsigned_char_type_node)
|| same_type_p (type, signed_char_type_node)
|| same_type_p (type, char16_type_node)
|| same_type_p (type, char32_type_node)
|| same_type_p (type, wchar_type_node));
}

4
gcc/cp/typeck.c
View File

@ -1722,12 +1722,14 @@ string_conv_p (const_tree totype, const_tree exp, int warn)
t = TREE_TYPE (totype);
if (!same_type_p (t, char_type_node)
&& !same_type_p (t, char16_type_node)
&& !same_type_p (t, char32_type_node)
&& !same_type_p (t, wchar_type_node))
return 0;
if (TREE_CODE (exp) == STRING_CST)
{
/* Make sure that we don't try to convert between char and wchar_t. */
/* Make sure that we don't try to convert between char and wide chars. */
if (!same_type_p (TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (exp))), t))
return 0;
}

32
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,35 @@
2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
Tests for char16_t and char32_t support.
* g++.dg/ext/utf-cvt.C: New
* g++.dg/ext/utf-cxx0x.C: New
* g++.dg/ext/utf-cxx98.C: New
* g++.dg/ext/utf-dflt.C: New
* g++.dg/ext/utf-gnuxx0x.C: New
* g++.dg/ext/utf-gnuxx98.C: New
* g++.dg/ext/utf-mangle.C: New
* g++.dg/ext/utf-typedef-cxx0x.C: New
* g++.dg/ext/utf-typedef-cxx98.C: New
* g++.dg/ext/utf-typespec.C: New
* g++.dg/ext/utf16-1.C: New
* g++.dg/ext/utf16-2.C: New
* g++.dg/ext/utf16-3.C: New
* g++.dg/ext/utf16-4.C: New
* g++.dg/ext/utf32-1.C: New
* g++.dg/ext/utf32-2.C: New
* g++.dg/ext/utf32-3.C: New
* g++.dg/ext/utf32-4.C: New
* gcc.dg/utf-cvt.c: New
* gcc.dg/utf-dflt.c: New
* gcc.dg/utf16-1.c: New
* gcc.dg/utf16-2.c: New
* gcc.dg/utf16-3.c: New
* gcc.dg/utf16-4.c: New
* gcc.dg/utf32-1.c: New
* gcc.dg/utf32-2.c: New
* gcc.dg/utf32-3.c: New
* gcc.dg/utf32-4.c: New
2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/specs/varsize_return.ads: New test.

22
gcc/testsuite/g++.dg/ext/utf-badconcat.C Normal file
View File

@ -0,0 +1,22 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test unsupported concatenation of char16_t/char32_t* string literals. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
const void *s0 = u"a" "b";
const void *s1 = "a" u"b";
const void *s2 = u"a" U"b"; /* { dg-error "non-standard concatenation" } */
const void *s3 = U"a" u"b"; /* { dg-error "non-standard concatenation" } */
const void *s4 = u"a" L"b"; /* { dg-error "non-standard concatenation" } */
const void *s5 = L"a" u"b"; /* { dg-error "non-standard concatenation" } */
const void *s6 = u"a" u"b";
const void *s7 = U"a" "b";
const void *s8 = "a" U"b";
const void *s9 = U"a" L"b"; /* { dg-error "non-standard concatenation" } */
const void *sa = L"a" U"b"; /* { dg-error "non-standard concatenation" } */
const void *sb = U"a" U"b";
const void *sc = L"a" "b";
const void *sd = "a" L"b";
const void *se = L"a" L"b";
int main () {}

46
gcc/testsuite/g++.dg/ext/utf-cvt.C Normal file
View File

@ -0,0 +1,46 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the char16_t and char32_t promotion rules. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x -Wall -Wconversion -Wsign-conversion -Wsign-promo" } */
extern void f_c (char);
extern void fsc (signed char);
extern void fuc (unsigned char);
extern void f_s (short);
extern void fss (signed short);
extern void fus (unsigned short);
extern void f_i (int);
extern void fsi (signed int);
extern void fui (unsigned int);
extern void f_l (long);
extern void fsl (signed long);
extern void ful (unsigned long);
void m(char16_t c0, char32_t c1)
{
f_c (c0); /* { dg-warning "alter its value" } */
fsc (c0); /* { dg-warning "alter its value" } */
fuc (c0); /* { dg-warning "alter its value" } */
f_s (c0); /* { dg-warning "change the sign" } */
fss (c0); /* { dg-warning "change the sign" } */
fus (c0);
f_i (c0);
fsi (c0);
fui (c0);
f_l (c0);
fsl (c0);
ful (c0);
f_c (c1); /* { dg-warning "alter its value" } */
fsc (c1); /* { dg-warning "alter its value" } */
fuc (c1); /* { dg-warning "alter its value" } */
f_s (c1); /* { dg-warning "alter its value" } */
fss (c1); /* { dg-warning "alter its value" } */
fus (c1); /* { dg-warning "alter its value" } */
f_i (c1); /* { dg-warning "change the sign" } */
fsi (c1); /* { dg-warning "change the sign" } */
fui (c1);
f_l (c1); /* { dg-warning "change the sign" } */
fsl (c1); /* { dg-warning "change the sign" } */
ful (c1);
}

14
gcc/testsuite/g++.dg/ext/utf-cxx0x.C Normal file
View File

@ -0,0 +1,14 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test parsing of u and U prefixes when also used as macros. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
#define u L
#define U L
const unsigned short c2 = u'a';
const unsigned long c3 = U'a';
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

29
gcc/testsuite/g++.dg/ext/utf-cxx98.C Normal file
View File

@ -0,0 +1,29 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char16_t/char32_t in c++98. */
/* Ensure u and U prefixes are parsed as separate tokens in c++98. */
/* { dg-do compile } */
/* { dg-options "-std=c++98" } */
const static char16_t c0 = 'a'; /* { dg-error "not name a type" } */
const static char32_t c1 = 'a'; /* { dg-error "not name a type" } */
const unsigned short c2 = u'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 10 } */
const unsigned long c3 = U'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 12 } */
#define u 1 +
#define U 2 +
const unsigned short c5 = u'a';
const unsigned long c6 = U'a';
#undef u
#undef U
#define u "a"
#define U "b"
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

29
gcc/testsuite/g++.dg/ext/utf-dflt.C Normal file
View File

@ -0,0 +1,29 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char16_t/char32_t in default std. */
/* Ensure u and U prefixes are parsed as separate tokens in default std. */
/* { dg-do compile } */
/* { dg-options "" } */
const static char16_t c0 = 'a'; /* { dg-error "not name a type" } */
const static char32_t c1 = 'a'; /* { dg-error "not name a type" } */
const unsigned short c2 = u'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 10 } */
const unsigned long c3 = U'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 12 } */
#define u 1 +
#define U 2 +
const unsigned short c4 = u'a';
const unsigned long c5 = U'a';
#undef u
#undef U
#define u "a"
#define U "b"
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

14
gcc/testsuite/g++.dg/ext/utf-gnuxx0x.C Normal file
View File

@ -0,0 +1,14 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test parsing of u and U prefixes when also used as macros. */
/* { dg-do compile } */
/* { dg-options "-std=gnu++0x" } */
#define u L
#define U L
const unsigned short c2 = u'a';
const unsigned long c3 = U'a';
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

29
gcc/testsuite/g++.dg/ext/utf-gnuxx98.C Normal file
View File

@ -0,0 +1,29 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char16_t/char32_t in gnu++98. */
/* Ensure u and U prefixes are parsed as separate tokens in gnu++98. */
/* { dg-do compile } */
/* { dg-options "-std=gnu++98" } */
const static char16_t c0 = 'a'; /* { dg-error "not name a type" } */
const static char32_t c1 = 'a'; /* { dg-error "not name a type" } */
const unsigned short c2 = u'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 10 } */
const unsigned long c3 = U'a'; /* { dg-error "not declared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 12 } */
#define u 1 +
#define U 2 +
const unsigned short c5 = u'a';
const unsigned long c6 = U'a';
#undef u
#undef U
#define u "a"
#define U "b"
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

14
gcc/testsuite/g++.dg/ext/utf-mangle.C Normal file
View File

@ -0,0 +1,14 @@
// Contributed by Kris Van Hees <kris.van.hees@oracle.com>
// Test the support for char16_t character constants.
// { dg-do compile }
// { dg-options "-std=c++0x" }
void f0 (char16_t c) {}
void f1 (char32_t c) {}
void f2 (char16_t *s) {}
void f3 (char32_t *s) {}
// { dg-final { scan-assembler "_Z2f0u8char16_t:" } }
// { dg-final { scan-assembler "_Z2f1u8char32_t:" } }
// { dg-final { scan-assembler "_Z2f2Pu8char16_t:" } }
// { dg-final { scan-assembler "_Z2f3Pu8char32_t:" } }

7
gcc/testsuite/g++.dg/ext/utf-typedef-cxx0x.C Normal file
View File

@ -0,0 +1,7 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Ensure that a typedef to char16_t/char32_t issues a warning in c++0x. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
typedef short unsigned int char16_t; /* { dg-warning "redeclaration" } */
typedef unsigned int char32_t; /* { dg-warning "redeclaration" } */

7
gcc/testsuite/g++.dg/ext/utf-typedef-cxx98.C Normal file
View File

@ -0,0 +1,7 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Ensure that a typedef to char16_t/char32_t is fine in c++98. */
/* { dg-do compile } */
/* { dg-options "-std=c++98" } */
typedef short unsigned int char16_t;
typedef unsigned int char32_t;

25
gcc/testsuite/g++.dg/ext/utf-typespec.C Normal file
View File

@ -0,0 +1,25 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Ensure that type specifiers are not allowed for char16_t/char32_t. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
signed char16_t c0; /* { dg-error "signed" } */
signed char32_t c1; /* { dg-error "signed" } */
unsigned char16_t c2; /* { dg-error "unsigned" } */
unsigned char32_t c3; /* { dg-error "unsigned" } */
short char16_t c4; /* { dg-error "short" } */
long char16_t c5; /* { dg-error "long" } */
short char32_t c6; /* { dg-error "short" } */
long char32_t c7; /* { dg-error "long" } */
signed short char16_t c8; /* { dg-error "signed" } */
signed short char32_t c9; /* { dg-error "signed" } */
signed long char16_t ca; /* { dg-error "signed" } */
signed long char32_t cb; /* { dg-error "signed" } */
unsigned short char16_t cc; /* { dg-error "unsigned" } */
unsigned short char32_t cd; /* { dg-error "unsigned" } */
unsigned long char16_t ce; /* { dg-error "unsigned" } */
unsigned long char32_t cf; /* { dg-error "unsigned" } */
int main () {}

65
gcc/testsuite/g++.dg/ext/utf16-1.C Normal file
View File

@ -0,0 +1,65 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char16_t character constants. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char16_t c0 = u'a';
const static char16_t c1 = u'\0';
const static char16_t c2 = u'\u0024';
const static char16_t c3 = u'\u2029';
const static char16_t c4 = u'\u8010';
const static char16_t c5 = 'a';
const static char16_t c6 = U'a';
const static char16_t c7 = U'\u2029';
const static char16_t c8 = U'\u8010';
const static char16_t c9 = L'a';
const static char16_t ca = L'\u2029';
const static char16_t cb = L'\u8010';
#define A 0x0061
#define D 0x0024
#define X 0x2029
#define Y 0x8010
int main ()
{
if (sizeof (u'a') != sizeof (char16_t))
abort ();
if (sizeof (u'\0') != sizeof (char16_t))
abort ();
if (sizeof (u'\u0024') != sizeof (char16_t))
abort ();
if (sizeof (u'\u2029') != sizeof (char16_t))
abort ();
if (sizeof (u'\u8010') != sizeof (char16_t))
abort ();
if (c0 != A)
abort ();
if (c1 != 0x0000)
abort ();
if (c2 != D)
abort ();
if (c3 != X)
abort ();
if (c4 != Y)
abort ();
if (c5 != A)
abort ();
if (c6 != A)
abort ();
if (c7 != X)
abort ();
if (c8 != Y)
abort ();
if (c9 != A)
abort ();
if (ca != X)
abort ();
if (cb != Y)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char16_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char16_t *s0 = u"ab";
const static char16_t *s1 = u"a\u0024";
const static char16_t *s2 = u"a\u2029";
const static char16_t *s3 = u"a\U00064321";
#define A 0x0061
#define B 0x0062
#define D 0x0024
#define X 0x2029
#define Y1 0xD950
#define Y2 0xDF21
int main ()
{
if (s0[0] != A || s0[1] != B || s0[2] != 0x0000)
abort ();
if (s1[0] != A || s1[1] != D || s0[2] != 0x0000)
abort ();
if (s2[0] != A || s2[1] != X || s0[2] != 0x0000)
abort ();
if (s3[0] != A || s3[1] != Y1 || s3[2] != Y2 || s3[3] != 0x0000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test concatenation of char16_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char16_t *s0 = u"a" u"b";
const static char16_t *s1 = u"a" "b";
const static char16_t *s2 = "a" u"b";
const static char16_t *s3 = u"a" "\u2029";
const static char16_t *s4 = "\u2029" u"b";
const static char16_t *s5 = u"a" "\U00064321";
const static char16_t *s6 = "\U00064321" u"b";
#define A 0x0061
#define B 0x0062
#define X 0x2029
#define Y1 0xD950
#define Y2 0xDF21
int main ()
{
if (sizeof ((u"a" u"b")[0]) != sizeof (char16_t))
abort ();
if (sizeof ((u"a" "b")[0]) != sizeof (char16_t))
abort ();
if (sizeof (( "a" u"b")[0]) != sizeof (char16_t))
abort ();
if (s0[0] != A || s0[1] != B || s0[2] != 0x0000)
abort ();
if (s1[0] != A || s1[1] != B || s1[2] != 0x0000)
abort ();
if (s2[0] != A || s2[1] != B || s2[2] != 0x0000)
abort ();
if (s3[0] != A || s3[1] != X || s3[2] != 0x0000)
abort ();
if (s4[0] != X || s4[1] != B || s4[2] != 0x0000)
abort ();
if (s5[0] != A || s5[1] != Y1 || s5[2] != Y2 || s5[3] != 0x0000)
abort ();
if (s6[0] != Y1 || s6[1] != Y2 || s6[2] != B || s6[3] != 0x0000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char16_t character constants. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
const static char16_t c0 = u''; /* { dg-error "empty character" } */
const static char16_t c1 = u'ab'; /* { dg-warning "constant too long" } */
const static char16_t c2 = u'\U00064321'; /* { dg-warning "constant too long" } */
const static char16_t c3 = 'a';
const static char16_t c4 = U'a';
const static char16_t c5 = U'\u2029';
const static char16_t c6 = U'\U00064321'; /* { dg-warning "implicitly truncated" } */
const static char16_t c7 = L'a';
const static char16_t c8 = L'\u2029';
const static char16_t c9 = L'\U00064321'; /* { dg-warning "implicitly truncated" } */
int main () {}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char32_t character constants. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char32_t c0 = U'a';
const static char32_t c1 = U'\0';
const static char32_t c2 = U'\u0024';
const static char32_t c3 = U'\u2029';
const static char32_t c4 = U'\U00064321';
#define A 0x00000061
#define D 0x00000024
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (sizeof (U'a') != sizeof (char32_t))
abort ();
if (sizeof (U'\0') != sizeof (char32_t))
abort ();
if (sizeof (U'\u0024') != sizeof (char32_t))
abort ();
if (sizeof (U'\u2029') != sizeof (char32_t))
abort ();
if (sizeof (U'\U00064321') != sizeof (char32_t))
abort ();
if (c0 != A)
abort ();
if (c1 != 0x0000)
abort ();
if (c2 != D)
abort ();
if (c3 != X)
abort ();
if (c4 != Y)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char32_t* string constants. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char32_t *s0 = U"ab";
const static char32_t *s1 = U"a\u0024";
const static char32_t *s2 = U"a\u2029";
const static char32_t *s3 = U"a\U00064321";
#define A 0x00000061
#define B 0x00000062
#define D 0x00000024
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (s0[0] != A || s0[1] != B || s0[2] != 0x00000000)
abort ();
if (s1[0] != A || s1[1] != D || s0[2] != 0x00000000)
abort ();
if (s2[0] != A || s2[1] != X || s0[2] != 0x00000000)
abort ();
if (s3[0] != A || s3[1] != Y || s3[2] != 0x00000000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test concatenation of char32_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=c++0x -Wall -Werror" } */
extern "C" void abort (void);
const static char32_t *s0 = U"a" U"b";
const static char32_t *s1 = U"a" "b";
const static char32_t *s2 = "a" U"b";
const static char32_t *s3 = U"a" "\u2029";
const static char32_t *s4 = "\u2029" U"b";
const static char32_t *s5 = U"a" "\U00064321";
const static char32_t *s6 = "\U00064321" U"b";
#define A 0x00000061
#define B 0x00000062
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (sizeof ((U"a" U"b")[0]) != sizeof (char32_t))
abort ();
if (sizeof ((U"a" "b")[0]) != sizeof (char32_t))
abort ();
if (sizeof (( "a" U"b")[0]) != sizeof (char32_t))
abort ();
if (s0[0] != A || s0[1] != B || s0[2] != 0x00000000)
abort ();
if (s1[0] != A || s1[1] != B || s1[2] != 0x00000000)
abort ();
if (s2[0] != A || s2[1] != B || s2[2] != 0x00000000)
abort ();
if (s3[0] != A || s3[1] != X || s3[2] != 0x00000000)
abort ();
if (s4[0] != X || s4[1] != B || s4[2] != 0x00000000)
abort ();
if (s5[0] != A || s5[1] != Y || s5[2] != 0x00000000)
abort ();
if (s6[0] != Y || s6[1] != B || s6[2] != 0x00000000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char32_t character constants. */
/* { dg-do compile } */
/* { dg-options "-std=c++0x" } */
const static char32_t c0 = U''; /* { dg-error "empty character" } */
const static char32_t c1 = U'ab'; /* { dg-warning "constant too long" } */
const static char32_t c2 = U'\U00064321';
const static char32_t c3 = 'a';
const static char32_t c4 = u'a';
const static char32_t c5 = u'\u2029';
const static char32_t c6 = u'\U00064321'; /* { dg-warning "constant too long" } */
const static char32_t c7 = L'a';
const static char32_t c8 = L'\u2029';
const static char32_t c9 = L'\U00064321';
int main () {}

22
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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test unsupported concatenation of char16_t/char32_t* string literals. */
/* { dg-do compile } */
/* { dg-options "-std=gnu99" } */
void *s0 = u"a" "b";
void *s1 = "a" u"b";
void *s2 = u"a" U"b"; /* { dg-error "non-standard concatenation" } */
void *s3 = U"a" u"b"; /* { dg-error "non-standard concatenation" } */
void *s4 = u"a" L"b"; /* { dg-error "non-standard concatenation" } */
void *s5 = L"a" u"b"; /* { dg-error "non-standard concatenation" } */
void *s6 = u"a" u"b";
void *s7 = U"a" "b";
void *s8 = "a" U"b";
void *s9 = U"a" L"b"; /* { dg-error "non-standard concatenation" } */
void *sa = L"a" U"b"; /* { dg-error "non-standard concatenation" } */
void *sb = U"a" U"b";
void *sc = L"a" "b";
void *sd = "a" L"b";
void *se = L"a" L"b";
int main () {}

49
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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the char16_t and char32_t promotion rules. */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wall -Wconversion -Wsign-conversion" } */
typedef unsigned short char16_t;
typedef unsigned int char32_t;
extern void f_c (char);
extern void fsc (signed char);
extern void fuc (unsigned char);
extern void f_s (short);
extern void fss (signed short);
extern void fus (unsigned short);
extern void f_i (int);
extern void fsi (signed int);
extern void fui (unsigned int);
extern void f_l (long);
extern void fsl (signed long);
extern void ful (unsigned long);
void m (char16_t c0, char32_t c1)
{
f_c (c0); /* { dg-warning "alter its value" } */
fsc (c0); /* { dg-warning "alter its value" } */
fuc (c0); /* { dg-warning "alter its value" } */
f_s (c0); /* { dg-warning "change the sign" } */
fss (c0); /* { dg-warning "change the sign" } */
fus (c0);
f_i (c0);
fsi (c0);
fui (c0);
f_l (c0);
fsl (c0);
ful (c0);
f_c (c1); /* { dg-warning "alter its value" } */
fsc (c1); /* { dg-warning "alter its value" } */
fuc (c1); /* { dg-warning "alter its value" } */
f_s (c1); /* { dg-warning "alter its value" } */
fss (c1); /* { dg-warning "alter its value" } */
fus (c1); /* { dg-warning "alter its value" } */
f_i (c1); /* { dg-warning "change the sign" } */
fsi (c1); /* { dg-warning "change the sign" } */
fui (c1);
f_l (c1); /* { dg-warning "change the sign" } */
fsl (c1); /* { dg-warning "change the sign" } */
ful (c1);
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* If not gnu99, the u and U prefixes should be parsed as separate tokens. */
/* { dg-do compile } */
/* { dg-options "" } */
const unsigned short c0 = u'a'; /* { dg-error "undeclared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 6 } */
const unsigned long c1 = U'a'; /* { dg-error "undeclared" } */
/* { dg-error "expected ',' or ';'" "" { target *-*-* } 8 } */
#define u 1 +
#define U 2 +
const unsigned short c2 = u'a';
const unsigned long c3 = U'a';
#undef u
#undef U
#define u "a"
#define U "b"
const void *s0 = u"a";
const void *s1 = U"a";
int main () {}

67
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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char16_t character constants. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef short unsigned int char16_t;
extern void abort (void);
char16_t c0 = u'a';
char16_t c1 = u'\0';
char16_t c2 = u'\u0024';
char16_t c3 = u'\u2029';
char16_t c4 = u'\u8010';
char16_t c5 = 'a';
char16_t c6 = U'a';
char16_t c7 = U'\u2029';
char16_t c8 = U'\u8010';
char16_t c9 = L'a';
char16_t ca = L'\u2029';
char16_t cb = L'\u8010';
#define A 0x0061
#define D 0x0024
#define X 0x2029
#define Y 0x8010
int main ()
{
if (sizeof (u'a') != sizeof (char16_t))
abort ();
if (sizeof (u'\0') != sizeof (char16_t))
abort ();
if (sizeof (u'\u0024') != sizeof (char16_t))
abort ();
if (sizeof (u'\u2029') != sizeof (char16_t))
abort ();
if (sizeof (u'\u8010') != sizeof (char16_t))
abort ();
if (c0 != A)
abort ();
if (c1 != 0x0000)
abort ();
if (c2 != D)
abort ();
if (c3 != X)
abort ();
if (c4 != Y)
abort ();
if (c5 != A)
abort ();
if (c6 != A)
abort ();
if (c7 != X)
abort ();
if (c8 != Y)
abort ();
if (c9 != A)
abort ();
if (ca != X)
abort ();
if (cb != Y)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char16_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef short unsigned int char16_t;
extern void abort (void);
char16_t *s0 = u"ab";
char16_t *s1 = u"a\u0024";
char16_t *s2 = u"a\u2029";
char16_t *s3 = u"a\U00064321";
#define A 0x0061
#define B 0x0062
#define D 0x0024
#define X 0x2029
#define Y1 0xD950
#define Y2 0xDF21
int main ()
{
if (s0[0] != A || s0[1] != B || s0[2] != 0x0000)
abort ();
if (s1[0] != A || s1[1] != D || s0[2] != 0x0000)
abort ();
if (s2[0] != A || s2[1] != X || s0[2] != 0x0000)
abort ();
if (s3[0] != A || s3[1] != Y1 || s3[2] != Y2 || s3[3] != 0x0000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test concatenation of char16_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef short unsigned int char16_t;
extern void abort (void);
char16_t *s0 = u"a" u"b";
char16_t *s1 = u"a" "b";
char16_t *s2 = "a" u"b";
char16_t *s3 = u"a" "\u2029";
char16_t *s4 = "\u2029" u"b";
char16_t *s5 = u"a" "\U00064321";
char16_t *s6 = "\U00064321" u"b";
#define A 0x0061
#define B 0x0062
#define X 0x2029
#define Y1 0xD950
#define Y2 0xDF21
int main ()
{
if (sizeof ((u"a" u"b")[0]) != sizeof (char16_t))
abort ();
if (sizeof ((u"a" "b")[0]) != sizeof (char16_t))
abort ();
if (sizeof (( "a" u"b")[0]) != sizeof (char16_t))
abort ();
if (s0[0] != A || s0[1] != B || s0[2] != 0x0000)
abort ();
if (s1[0] != A || s1[1] != B || s1[2] != 0x0000)
abort ();
if (s2[0] != A || s2[1] != B || s2[2] != 0x0000)
abort ();
if (s3[0] != A || s3[1] != X || s3[2] != 0x0000)
abort ();
if (s4[0] != X || s4[1] != B || s4[2] != 0x0000)
abort ();
if (s5[0] != A || s5[1] != Y1 || s5[2] != Y2 || s5[3] != 0x0000)
abort ();
if (s6[0] != Y1 || s6[1] != Y2 || s6[2] != B || s6[3] != 0x0000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char16_t character constants. */
/* { dg-do compile } */
/* { dg-options "-std=gnu99" } */
typedef short unsigned int char16_t;
char16_t c0 = u''; /* { dg-error "empty character" } */
char16_t c1 = u'ab'; /* { dg-warning "constant too long" } */
char16_t c2 = u'\U00064321'; /* { dg-warning "constant too long" } */
char16_t c3 = 'a';
char16_t c4 = U'a';
char16_t c5 = U'\u2029';
char16_t c6 = U'\U00064321'; /* { dg-warning "implicitly truncated" } */
char16_t c7 = L'a';
char16_t c8 = L'\u2029';
char16_t c9 = L'\U00064321'; /* { dg-warning "implicitly truncated" } */
int main () {}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char32_t character constants. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef unsigned int char32_t;
extern void abort (void);
char32_t c0 = U'a';
char32_t c1 = U'\0';
char32_t c2 = U'\u0024';
char32_t c3 = U'\u2029';
char32_t c4 = U'\U00064321';
#define A 0x00000061
#define D 0x00000024
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (sizeof (U'a') != sizeof (char32_t))
abort ();
if (sizeof (U'\0') != sizeof (char32_t))
abort ();
if (sizeof (U'\u0024') != sizeof (char32_t))
abort ();
if (sizeof (U'\u2029') != sizeof (char32_t))
abort ();
if (sizeof (U'\U00064321') != sizeof (char32_t))
abort ();
if (c0 != A)
abort ();
if (c1 != 0x0000)
abort ();
if (c2 != D)
abort ();
if (c3 != X)
abort ();
if (c4 != Y)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test the support for char32_t* string constants. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef unsigned int char32_t;
extern void abort (void);
char32_t *s0 = U"ab";
char32_t *s1 = U"a\u0024";
char32_t *s2 = U"a\u2029";
char32_t *s3 = U"a\U00064321";
#define A 0x00000061
#define B 0x00000062
#define D 0x00000024
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (s0[0] != A || s0[1] != B || s0[2] != 0x00000000)
abort ();
if (s1[0] != A || s1[1] != D || s0[2] != 0x00000000)
abort ();
if (s2[0] != A || s2[1] != X || s0[2] != 0x00000000)
abort ();
if (s3[0] != A || s3[1] != Y || s3[2] != 0x00000000)
abort ();
}

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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Test concatenation of char32_t* string literals. */
/* { dg-do run } */
/* { dg-options "-std=gnu99 -Wall -Werror" } */
typedef unsigned int char32_t;
extern void abort (void);
char32_t *s0 = U"a" U"b";
char32_t *s1 = U"a" "b";
char32_t *s2 = "a" U"b";
char32_t *s3 = U"a" "\u2029";
char32_t *s4 = "\u2029" U"b";
char32_t *s5 = U"a" "\U00064321";
char32_t *s6 = "\U00064321" U"b";
#define A 0x00000061
#define B 0x00000062
#define X 0x00002029
#define Y 0x00064321
int main ()
{
if (sizeof ((U"a" U"b")[0]) != sizeof (char32_t))
abort ();
if (sizeof ((U"a" "b")[0]) != sizeof (char32_t))
abort ();
if (sizeof (( "a" U"b")[0]) != sizeof (char32_t))
abort ();
if (s0[0] != A || s0[1] != B || s0[2] != 0x00000000)
abort ();
if (s1[0] != A || s1[1] != B || s1[2] != 0x00000000)
abort ();
if (s2[0] != A || s2[1] != B || s2[2] != 0x00000000)
abort ();
if (s3[0] != A || s3[1] != X || s3[2] != 0x00000000)
abort ();
if (s4[0] != X || s4[1] != B || s4[2] != 0x00000000)
abort ();
if (s5[0] != A || s5[1] != Y || s5[2] != 0x00000000)
abort ();
if (s6[0] != Y || s6[1] != B || s6[2] != 0x00000000)
abort ();
}

20
gcc/testsuite/gcc.dg/utf32-4.c Normal file
View File

@ -0,0 +1,20 @@
/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
/* Expected errors for char32_t character constants. */
/* { dg-do compile } */
/* { dg-options "-std=gnu99" } */
typedef unsigned int char32_t;
char32_t c0 = U''; /* { dg-error "empty character" } */
char32_t c1 = U'ab'; /* { dg-warning "constant too long" } */
char32_t c2 = U'\U00064321';
char32_t c3 = 'a';
char32_t c4 = u'a';
char32_t c5 = u'\u2029';
char32_t c6 = u'\U00064321'; /* { dg-warning "constant too long" } */
char32_t c7 = L'a';
char32_t c8 = L'\u2029';
char32_t c9 = L'\U00064321';
int main () {}

37
libcpp/ChangeLog
View File

@ -1,3 +1,40 @@
2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
* include/cpp-id-data.h (UC): Was U, conflicts with U"..." literal.
* include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
(struct cpp_options): Added uliterals.
(cpp_interpret_string): Update prototype.
(cpp_interpret_string_notranslate): Idem.
* charset.c (init_iconv_desc): New width member in cset_converter.
(cpp_init_iconv): Add support for char{16,32}_cset_desc.
(convert_ucn): Idem.
(emit_numeric_escape): Idem.
(convert_hex): Idem.
(convert_oct): Idem.
(convert_escape): Idem.
(converter_for_type): New function.
(cpp_interpret_string): Use converter_for_type, support u and U prefix.
(cpp_interpret_string_notranslate): Match changed prototype.
(wide_str_to_charconst): Use converter_for_type.
(cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
* directives.c (linemarker_dir): Macro U changed to UC.
(parse_include): Idem.
(register_pragma_1): Idem.
(restore_registered_pragmas): Idem.
(get__Pragma_string): Support CPP_STRING{16,32}.
* expr.c (eval_token): Support CPP_CHAR{16,32}.
* init.c (struct lang_flags): Added uliterals.
(lang_defaults): Idem.
* internal.h (struct cset_converter) <width>: New field.
(struct cpp_reader) <char16_cset_desc>: Idem.
(struct cpp_reader) <char32_cset_desc>: Idem.
* lex.c (digraph_spellings): Macro U changed to UC.
(OP, TK): Idem.
(lex_string): Add support for u'...', U'...', u"..." and U"...".
(_cpp_lex_direct): Idem.
* macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
(stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/35457

115
libcpp/charset.c
View File

@ -642,6 +642,7 @@ init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
{
ret.func = convert_no_conversion;
ret.cd = (iconv_t) -1;
ret.width = -1;
return ret;
}
@ -655,6 +656,7 @@ init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
{
ret.func = conversion_tab[i].func;
ret.cd = conversion_tab[i].fake_cd;
ret.width = -1;
return ret;
}
@ -663,6 +665,7 @@ init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
{
ret.func = convert_using_iconv;
ret.cd = iconv_open (to, from);
ret.width = -1;
if (ret.cd == (iconv_t) -1)
{
@ -683,6 +686,7 @@ init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
from, to);
ret.func = convert_no_conversion;
ret.cd = (iconv_t) -1;
ret.width = -1;
}
return ret;
}
@ -716,7 +720,17 @@ cpp_init_iconv (cpp_reader *pfile)
wcset = default_wcset;
pfile->narrow_cset_desc = init_iconv_desc (pfile, ncset, SOURCE_CHARSET);
pfile->narrow_cset_desc.width = CPP_OPTION (pfile, char_precision);
pfile->char16_cset_desc = init_iconv_desc (pfile,
be ? "UTF-16BE" : "UTF-16LE",
SOURCE_CHARSET);
pfile->char16_cset_desc.width = 16;
pfile->char32_cset_desc = init_iconv_desc (pfile,
be ? "UTF-32BE" : "UTF-32LE",
SOURCE_CHARSET);
pfile->char32_cset_desc.width = 32;
pfile->wide_cset_desc = init_iconv_desc (pfile, wcset, SOURCE_CHARSET);
pfile->wide_cset_desc.width = CPP_OPTION (pfile, wchar_precision);
}
/* Destroy iconv(3) descriptors set up by cpp_init_iconv, if necessary. */
@ -1051,15 +1065,13 @@ _cpp_valid_ucn (cpp_reader *pfile, const uchar **pstr,
An advanced pointer is returned. Issues all relevant diagnostics. */
static const uchar *
convert_ucn (cpp_reader *pfile, const uchar *from, const uchar *limit,
struct _cpp_strbuf *tbuf, bool wide)
struct _cpp_strbuf *tbuf, struct cset_converter cvt)
{
cppchar_t ucn;
uchar buf[6];
uchar *bufp = buf;
size_t bytesleft = 6;
int rval;
struct cset_converter cvt
= wide ? pfile->wide_cset_desc : pfile->narrow_cset_desc;
struct normalize_state nst = INITIAL_NORMALIZE_STATE;
from++; /* Skip u/U. */
@ -1086,14 +1098,15 @@ convert_ucn (cpp_reader *pfile, const uchar *from, const uchar *limit,
function issues no diagnostics and never fails. */
static void
emit_numeric_escape (cpp_reader *pfile, cppchar_t n,
struct _cpp_strbuf *tbuf, bool wide)
struct _cpp_strbuf *tbuf, struct cset_converter cvt)
{
if (wide)
size_t width = cvt.width;
if (width != CPP_OPTION (pfile, char_precision))
{
/* We have to render this into the target byte order, which may not
be our byte order. */
bool bigend = CPP_OPTION (pfile, bytes_big_endian);
size_t width = CPP_OPTION (pfile, wchar_precision);
size_t cwidth = CPP_OPTION (pfile, char_precision);
size_t cmask = width_to_mask (cwidth);
size_t nbwc = width / cwidth;
@ -1136,12 +1149,11 @@ emit_numeric_escape (cpp_reader *pfile, cppchar_t n,
number. You can, e.g. generate surrogate pairs this way. */
static const uchar *
convert_hex (cpp_reader *pfile, const uchar *from, const uchar *limit,
struct _cpp_strbuf *tbuf, bool wide)
struct _cpp_strbuf *tbuf, struct cset_converter cvt)
{
cppchar_t c, n = 0, overflow = 0;
int digits_found = 0;
size_t width = (wide ? CPP_OPTION (pfile, wchar_precision)
: CPP_OPTION (pfile, char_precision));
size_t width = cvt.width;
size_t mask = width_to_mask (width);
if (CPP_WTRADITIONAL (pfile))
@ -1174,7 +1186,7 @@ convert_hex (cpp_reader *pfile, const uchar *from, const uchar *limit,
n &= mask;
}
emit_numeric_escape (pfile, n, tbuf, wide);
emit_numeric_escape (pfile, n, tbuf, cvt);
return from;
}
@ -1187,12 +1199,11 @@ convert_hex (cpp_reader *pfile, const uchar *from, const uchar *limit,
number. */
static const uchar *
convert_oct (cpp_reader *pfile, const uchar *from, const uchar *limit,
struct _cpp_strbuf *tbuf, bool wide)
struct _cpp_strbuf *tbuf, struct cset_converter cvt)
{
size_t count = 0;
cppchar_t c, n = 0;
size_t width = (wide ? CPP_OPTION (pfile, wchar_precision)
: CPP_OPTION (pfile, char_precision));
size_t width = cvt.width;
size_t mask = width_to_mask (width);
bool overflow = false;
@ -1213,7 +1224,7 @@ convert_oct (cpp_reader *pfile, const uchar *from, const uchar *limit,
n &= mask;
}
emit_numeric_escape (pfile, n, tbuf, wide);
emit_numeric_escape (pfile, n, tbuf, cvt);
return from;
}
@ -1224,7 +1235,7 @@ convert_oct (cpp_reader *pfile, const uchar *from, const uchar *limit,
pointer. Handles all relevant diagnostics. */
static const uchar *
convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
struct _cpp_strbuf *tbuf, bool wide)
struct _cpp_strbuf *tbuf, struct cset_converter cvt)
{
/* Values of \a \b \e \f \n \r \t \v respectively. */
#if HOST_CHARSET == HOST_CHARSET_ASCII
@ -1236,23 +1247,21 @@ convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
#endif
uchar c;
struct cset_converter cvt
= wide ? pfile->wide_cset_desc : pfile->narrow_cset_desc;
c = *from;
switch (c)
{
/* UCNs, hex escapes, and octal escapes are processed separately. */
case 'u': case 'U':
return convert_ucn (pfile, from, limit, tbuf, wide);
return convert_ucn (pfile, from, limit, tbuf, cvt);
case 'x':
return convert_hex (pfile, from, limit, tbuf, wide);
return convert_hex (pfile, from, limit, tbuf, cvt);
break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
return convert_oct (pfile, from, limit, tbuf, wide);
return convert_oct (pfile, from, limit, tbuf, cvt);
/* Various letter escapes. Get the appropriate host-charset
value into C. */
@ -1312,6 +1321,27 @@ convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
return from + 1;
}
/* TYPE is a token type. The return value is the conversion needed to
convert from source to execution character set for the given type. */
static struct cset_converter
converter_for_type (cpp_reader *pfile, enum cpp_ttype type)
{
switch (type)
{
default:
return pfile->narrow_cset_desc;
case CPP_CHAR16:
case CPP_STRING16:
return pfile->char16_cset_desc;
case CPP_CHAR32:
case CPP_STRING32:
return pfile->char32_cset_desc;
case CPP_WCHAR:
case CPP_WSTRING:
return pfile->wide_cset_desc;
}
}
/* FROM is an array of cpp_string structures of length COUNT. These
are to be converted from the source to the execution character set,
escape sequences translated, and finally all are to be
@ -1320,13 +1350,12 @@ convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
false for failure. */
bool
cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
cpp_string *to, bool wide)
cpp_string *to, enum cpp_ttype type)
{
struct _cpp_strbuf tbuf;
const uchar *p, *base, *limit;
size_t i;
struct cset_converter cvt
= wide ? pfile->wide_cset_desc : pfile->narrow_cset_desc;
struct cset_converter cvt = converter_for_type (pfile, type);
tbuf.asize = MAX (OUTBUF_BLOCK_SIZE, from->len);
tbuf.text = XNEWVEC (uchar, tbuf.asize);
@ -1335,7 +1364,7 @@ cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
for (i = 0; i < count; i++)
{
p = from[i].text;
if (*p == 'L') p++;
if (*p == 'L' || *p == 'u' || *p == 'U') p++;
p++; /* Skip leading quote. */
limit = from[i].text + from[i].len - 1; /* Skip trailing quote. */
@ -1354,12 +1383,12 @@ cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
if (p == limit)
break;
p = convert_escape (pfile, p + 1, limit, &tbuf, wide);
p = convert_escape (pfile, p + 1, limit, &tbuf, cvt);
}
}
/* NUL-terminate the 'to' buffer and translate it to a cpp_string
structure. */
emit_numeric_escape (pfile, 0, &tbuf, wide);
emit_numeric_escape (pfile, 0, &tbuf, cvt);
tbuf.text = XRESIZEVEC (uchar, tbuf.text, tbuf.len);
to->text = tbuf.text;
to->len = tbuf.len;
@ -1375,7 +1404,8 @@ cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
in a string, but do not perform character set conversion. */
bool
cpp_interpret_string_notranslate (cpp_reader *pfile, const cpp_string *from,
size_t count, cpp_string *to, bool wide)
size_t count, cpp_string *to,
enum cpp_ttype type ATTRIBUTE_UNUSED)
{
struct cset_converter save_narrow_cset_desc = pfile->narrow_cset_desc;
bool retval;
@ -1383,7 +1413,7 @@ cpp_interpret_string_notranslate (cpp_reader *pfile, const cpp_string *from,
pfile->narrow_cset_desc.func = convert_no_conversion;
pfile->narrow_cset_desc.cd = (iconv_t) -1;
retval = cpp_interpret_string (pfile, from, count, to, wide);
retval = cpp_interpret_string (pfile, from, count, to, CPP_STRING);
pfile->narrow_cset_desc = save_narrow_cset_desc;
return retval;
@ -1462,13 +1492,14 @@ narrow_str_to_charconst (cpp_reader *pfile, cpp_string str,
/* Subroutine of cpp_interpret_charconst which performs the conversion
to a number, for wide strings. STR is the string structure returned
by cpp_interpret_string. PCHARS_SEEN and UNSIGNEDP are as for
cpp_interpret_charconst. */
cpp_interpret_charconst. TYPE is the token type. */
static cppchar_t
wide_str_to_charconst (cpp_reader *pfile, cpp_string str,
unsigned int *pchars_seen, int *unsignedp)
unsigned int *pchars_seen, int *unsignedp,
enum cpp_ttype type)
{
bool bigend = CPP_OPTION (pfile, bytes_big_endian);
size_t width = CPP_OPTION (pfile, wchar_precision);
size_t width = converter_for_type (pfile, type).width;
size_t cwidth = CPP_OPTION (pfile, char_precision);
size_t mask = width_to_mask (width);
size_t cmask = width_to_mask (cwidth);
@ -1490,7 +1521,7 @@ wide_str_to_charconst (cpp_reader *pfile, cpp_string str,
/* Wide character constants have type wchar_t, and a single
character exactly fills a wchar_t, so a multi-character wide
character constant is guaranteed to overflow. */
if (off > 0)
if (str.len > nbwc * 2)
cpp_error (pfile, CPP_DL_WARNING,
"character constant too long for its type");
@ -1498,13 +1529,20 @@ wide_str_to_charconst (cpp_reader *pfile, cpp_string str,
sign- or zero-extend to the full width of cppchar_t. */
if (width < BITS_PER_CPPCHAR_T)
{
if (CPP_OPTION (pfile, unsigned_wchar) || !(result & (1 << (width - 1))))
if (type == CPP_CHAR16 || type == CPP_CHAR32
|| CPP_OPTION (pfile, unsigned_wchar)
|| !(result & (1 << (width - 1))))
result &= mask;
else
result |= ~mask;
}
*unsignedp = CPP_OPTION (pfile, unsigned_wchar);
if (type == CPP_CHAR16 || type == CPP_CHAR32
|| CPP_OPTION (pfile, unsigned_wchar))
*unsignedp = 1;
else
*unsignedp = 0;
*pchars_seen = 1;
return result;
}
@ -1518,20 +1556,21 @@ cpp_interpret_charconst (cpp_reader *pfile, const cpp_token *token,
unsigned int *pchars_seen, int *unsignedp)
{
cpp_string str = { 0, 0 };
bool wide = (token->type == CPP_WCHAR);
bool wide = (token->type != CPP_CHAR);
cppchar_t result;
/* an empty constant will appear as L'' or '' */
/* an empty constant will appear as L'', u'', U'' or '' */
if (token->val.str.len == (size_t) (2 + wide))
{
cpp_error (pfile, CPP_DL_ERROR, "empty character constant");
return 0;
}
else if (!cpp_interpret_string (pfile, &token->val.str, 1, &str, wide))
else if (!cpp_interpret_string (pfile, &token->val.str, 1, &str, token->type))
return 0;
if (wide)
result = wide_str_to_charconst (pfile, str, pchars_seen, unsignedp);
result = wide_str_to_charconst (pfile, str, pchars_seen, unsignedp,
token->type);
else
result = narrow_str_to_charconst (pfile, str, pchars_seen, unsignedp);

13
libcpp/directives.c
View File

@ -188,7 +188,7 @@ DIRECTIVE_TABLE
did use this notation in its preprocessed output. */
static const directive linemarker_dir =
{
do_linemarker, U"#", 1, KANDR, IN_I
do_linemarker, UC"#", 1, KANDR, IN_I
};
#define SEEN_EOL() (pfile->cur_token[-1].type == CPP_EOF)
@ -697,7 +697,7 @@ parse_include (cpp_reader *pfile, int *pangle_brackets,
const unsigned char *dir;
if (pfile->directive == &dtable[T_PRAGMA])
dir = U"pragma dependency";
dir = UC"pragma dependency";
else
dir = pfile->directive->name;
cpp_error (pfile, CPP_DL_ERROR, "#%s expects \"FILENAME\" or <FILENAME>",
@ -1085,7 +1085,7 @@ register_pragma_1 (cpp_reader *pfile, const char *space, const char *name,
if (space)
{
node = cpp_lookup (pfile, U space, strlen (space));
node = cpp_lookup (pfile, UC space, strlen (space));
entry = lookup_pragma_entry (*chain, node);
if (!entry)
{
@ -1114,7 +1114,7 @@ register_pragma_1 (cpp_reader *pfile, const char *space, const char *name,
}
/* Check for duplicates. */
node = cpp_lookup (pfile, U name, strlen (name));
node = cpp_lookup (pfile, UC name, strlen (name));
entry = lookup_pragma_entry (*chain, node);
if (entry == NULL)
{
@ -1262,7 +1262,7 @@ restore_registered_pragmas (cpp_reader *pfile, struct pragma_entry *pe,
{
if (pe->is_nspace)
sd = restore_registered_pragmas (pfile, pe->u.space, sd);
pe->pragma = cpp_lookup (pfile, U *sd, strlen (*sd));
pe->pragma = cpp_lookup (pfile, UC *sd, strlen (*sd));
free (*sd);
sd++;
}
@ -1491,7 +1491,8 @@ get__Pragma_string (cpp_reader *pfile)
string = get_token_no_padding (pfile);
if (string->type == CPP_EOF)
_cpp_backup_tokens (pfile, 1);
if (string->type != CPP_STRING && string->type != CPP_WSTRING)
if (string->type != CPP_STRING && string->type != CPP_WSTRING
&& string->type != CPP_STRING32 && string->type != CPP_STRING16)
return NULL;
paren = get_token_no_padding (pfile);

4
libcpp/expr.c
View File

@ -705,6 +705,8 @@ eval_token (cpp_reader *pfile, const cpp_token *token)
case CPP_WCHAR:
case CPP_CHAR:
case CPP_CHAR16:
case CPP_CHAR32:
{
cppchar_t cc = cpp_interpret_charconst (pfile, token,
&temp, &unsignedp);
@ -863,6 +865,8 @@ _cpp_parse_expr (cpp_reader *pfile)
case CPP_NUMBER:
case CPP_CHAR:
case CPP_WCHAR:
case CPP_CHAR16:
case CPP_CHAR32:
case CPP_NAME:
case CPP_HASH:
if (!want_value)

2
libcpp/include/cpp-id-data.h
View File

@ -22,7 +22,7 @@ Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
typedef unsigned char uchar;
#endif
#define U (const unsigned char *) /* Intended use: U"string" */
#define UC (const unsigned char *) /* Intended use: UC"string" */
/* Chained list of answers to an assertion. */
struct answer GTY(())

11
libcpp/include/cpplib.h
View File

@ -123,10 +123,14 @@ struct _cpp_file;
\
TK(CHAR, LITERAL) /* 'char' */ \
TK(WCHAR, LITERAL) /* L'char' */ \
TK(CHAR16, LITERAL) /* u'char' */ \
TK(CHAR32, LITERAL) /* U'char' */ \
TK(OTHER, LITERAL) /* stray punctuation */ \
\
TK(STRING, LITERAL) /* "string" */ \
TK(WSTRING, LITERAL) /* L"string" */ \
TK(STRING16, LITERAL) /* u"string" */ \
TK(STRING32, LITERAL) /* U"string" */ \
TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \
TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \
\
@ -291,6 +295,9 @@ struct cpp_options
/* Nonzero means to allow hexadecimal floats and LL suffixes. */
unsigned char extended_numbers;
/* Nonzero means process u/U prefix literals (UTF-16/32). */
unsigned char uliterals;
/* Nonzero means print names of header files (-H). */
unsigned char print_include_names;
@ -712,10 +719,10 @@ extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *,
/* Evaluate a vector of CPP_STRING or CPP_WSTRING tokens. */
extern bool cpp_interpret_string (cpp_reader *,
const cpp_string *, size_t,
cpp_string *, bool);
cpp_string *, enum cpp_ttype);
extern bool cpp_interpret_string_notranslate (cpp_reader *,
const cpp_string *, size_t,
cpp_string *, bool);
cpp_string *, enum cpp_ttype);
/* Convert a host character constant to the execution character set. */
extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t);

24
libcpp/init.c
View File

@ -76,20 +76,21 @@ struct lang_flags
char std;
char cplusplus_comments;
char digraphs;
char uliterals;
};
static const struct lang_flags lang_defaults[] =
{ /* 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 },
/* GNUCXX0X */ { 1, 1, 1, 0, 0, 1, 1 },
/* CXX0X */ { 1, 1, 1, 0, 1, 1, 1 },
/* ASM */ { 0, 0, 1, 0, 0, 1, 0 }
{ /* c99 c++ xnum xid std // digr ulit */
/* GNUC89 */ { 0, 0, 1, 0, 0, 1, 1, 0 },
/* GNUC99 */ { 1, 0, 1, 0, 0, 1, 1, 1 },
/* STDC89 */ { 0, 0, 0, 0, 1, 0, 0, 0 },
/* STDC94 */ { 0, 0, 0, 0, 1, 0, 1, 0 },
/* STDC99 */ { 1, 0, 1, 0, 1, 1, 1, 0 },
/* GNUCXX */ { 0, 1, 1, 0, 0, 1, 1, 0 },
/* CXX98 */ { 0, 1, 1, 0, 1, 1, 1, 0 },
/* GNUCXX0X */ { 1, 1, 1, 0, 0, 1, 1, 1 },
/* CXX0X */ { 1, 1, 1, 0, 1, 1, 1, 1 },
/* ASM */ { 0, 0, 1, 0, 0, 1, 0, 0 }
/* xid should be 1 for GNUC99, STDC99, GNUCXX, CXX98, GNUCXX0X, and
CXX0X when no longer experimental (when all uses of identifiers
in the compiler have been audited for correct handling of
@ -112,6 +113,7 @@ cpp_set_lang (cpp_reader *pfile, enum c_lang lang)
CPP_OPTION (pfile, trigraphs) = l->std;
CPP_OPTION (pfile, cplusplus_comments) = l->cplusplus_comments;
CPP_OPTION (pfile, digraphs) = l->digraphs;
CPP_OPTION (pfile, uliterals) = l->uliterals;
}
/* Initialize library global state. */

9
libcpp/internal.h
View File

@ -48,6 +48,7 @@ struct cset_converter
{
convert_f func;
iconv_t cd;
int width;
};
#define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t))
@ -398,6 +399,14 @@ struct cpp_reader
execution character set. */
struct cset_converter narrow_cset_desc;
/* Descriptor for converting from the source character set to the
UTF-16 execution character set. */
struct cset_converter char16_cset_desc;
/* Descriptor for converting from the source character set to the
UTF-32 execution character set. */
struct cset_converter char32_cset_desc;
/* Descriptor for converting from the source character set to the
wide execution character set. */
struct cset_converter wide_cset_desc;

31
libcpp/lex.c
View File

@ -39,10 +39,10 @@ struct token_spelling
};
static const unsigned char *const digraph_spellings[] =
{ U"%:", U"%:%:", U"<:", U":>", U"<%", U"%>" };
{ UC"%:", UC"%:%:", UC"<:", UC":>", UC"<%", UC"%>" };
#define OP(e, s) { SPELL_OPERATOR, U s },
#define TK(e, s) { SPELL_ ## s, U #e },
#define OP(e, s) { SPELL_OPERATOR, UC s },
#define TK(e, s) { SPELL_ ## s, UC #e },
static const struct token_spelling token_spellings[N_TTYPES] = { TTYPE_TABLE };
#undef OP
#undef TK
@ -611,8 +611,8 @@ create_literal (cpp_reader *pfile, cpp_token *token, const uchar *base,
/* 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'. It returns the type of the
literal, or CPP_OTHER if it was not properly terminated.
quote and leading any leading 'L', 'u' or 'U'. 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. */
@ -626,12 +626,16 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base)
cur = base;
terminator = *cur++;
if (terminator == 'L')
if (terminator == 'L' || terminator == 'u' || terminator == 'U')
terminator = *cur++;
if (terminator == '\"')
type = *base == 'L' ? CPP_WSTRING: CPP_STRING;
type = (*base == 'L' ? CPP_WSTRING :
*base == 'U' ? CPP_STRING32 :
*base == 'u' ? CPP_STRING16 : CPP_STRING);
else if (terminator == '\'')
type = *base == 'L' ? CPP_WCHAR: CPP_CHAR;
type = (*base == 'L' ? CPP_WCHAR :
*base == 'U' ? CPP_CHAR32 :
*base == 'u' ? CPP_CHAR16 : CPP_CHAR);
else
terminator = '>', type = CPP_HEADER_NAME;
@ -965,24 +969,29 @@ _cpp_lex_direct (cpp_reader *pfile)
}
case 'L':
/* 'L' may introduce wide characters or strings. */
case 'u':
case 'U':
/* 'L', 'u' or 'U' may introduce wide characters or strings. */
if (c == 'L' || CPP_OPTION (pfile, uliterals))
{
if (*buffer->cur == '\'' || *buffer->cur == '"')
{
lex_string (pfile, result, buffer->cur - 1);
break;
}
}
/* Fall through. */
case '_':
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 's': case 't': 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 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'S': case 'T': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
result->type = CPP_NAME;
{

12
libcpp/macro.c
View File

@ -158,7 +158,7 @@ _cpp_builtin_macro_text (cpp_reader *pfile, cpp_hashnode *node)
{
cpp_errno (pfile, CPP_DL_WARNING,
"could not determine file timestamp");
pbuffer->timestamp = U"\"??? ??? ?? ??:??:?? ????\"";
pbuffer->timestamp = UC"\"??? ??? ?? ??:??:?? ????\"";
}
}
}
@ -256,8 +256,8 @@ _cpp_builtin_macro_text (cpp_reader *pfile, cpp_hashnode *node)
cpp_errno (pfile, CPP_DL_WARNING,
"could not determine date and time");
pfile->date = U"\"??? ?? ????\"";
pfile->time = U"\"??:??:??\"";
pfile->date = UC"\"??? ?? ????\"";
pfile->time = UC"\"??:??:??\"";
}
}
@ -375,8 +375,10 @@ stringify_arg (cpp_reader *pfile, macro_arg *arg)
continue;
}
escape_it = (token->type == CPP_STRING || token->type == CPP_WSTRING
|| token->type == CPP_CHAR || token->type == CPP_WCHAR);
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);
/* Room for each char being written in octal, initial space and
final quote and NUL. */

4
libiberty/ChangeLog
View File

@ -1,3 +1,7 @@
2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
* testsuite/demangle-expected: Added tests for char16_t and char32_t.
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/35457

20
libiberty/testsuite/demangle-expected
View File

@ -3399,6 +3399,26 @@ foo(char)
foo
#
--format=gnu-v3 --no-params
_Z2f0u8char16_t
f0(char16_t)
f0
#
--format=gnu-v3 --no-params
_Z2f0Pu8char16_t
f0(char16_t*)
f0
#
--format=gnu-v3 --no-params
_Z2f0u8char32_t
f0(char32_t)
f0
#
--format=gnu-v3 --no-params
_Z2f0Pu8char32_t
f0(char32_t*)
f0
#
--format=gnu-v3 --no-params
2CBIL_Z3foocEE
CB<foo(char)>
CB<foo(char)>