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author | Tom Honermann <tom@honermann.net> | 2019-02-19 02:54:42 +0000 |
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committer | Jonathan Wakely <redi@gcc.gnu.org> | 2019-02-19 02:54:42 +0000 |
commit | c124af936b6b225eb548ccdd7f01400511d784dc (patch) | |
tree | 5d8d03d00df438331657aa27496f27bc32041eaf /libstdc++-v3/src/c++98 | |
parent | e8b3c1bc3ba22dcf59b9c743f11d4cb2bc5d7792 (diff) | |
download | gcc-c124af936b6b225eb548ccdd7f01400511d784dc.zip gcc-c124af936b6b225eb548ccdd7f01400511d784dc.tar.gz gcc-c124af936b6b225eb548ccdd7f01400511d784dc.tar.bz2 |
P0482R5 char8_t: Standard library support
gcc/cp:
2019-02-19 Tom Honermann <tom@honermann.net>
* name-lookup.c (get_std_name_hint): Added u8string as a name hint.
libstdc++:
2019-02-19 Tom Honermann <tom@honermann.net>
P0482R5 char8_t: Standard library support
* config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
typeinfo symbols for char8_t.
* config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
(GLIBCXX_3.4.26): Add symbols for specializations of
numeric_limits and codecvt that involve char8_t.
(CXXABI_1.3.12): Add typeinfo symbols for char8_t.
* include/bits/atomic_base.h: Add atomic_char8_t.
* include/bits/basic_string.h: Add std::hash<u8string> and
operator""s(const char8_t*, size_t).
* include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
__cpp_lib_char8_t.
* include/bits/char_traits.h: Add char_traits<char8_t>.
* include/bits/codecvt.h: Add
codecvt<char16_t, char8_t, mbstate_t>,
codecvt<char32_t, char8_t, mbstate_t>,
codecvt_byname<char16_t, char8_t, mbstate_t>, and
codecvt_byname<char32_t, char8_t, mbstate_t>.
* include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
recognize char8_t as an integral type.
* include/bits/fs_path.h: (path::__is_encoded_char): Recognize
char8_t.
(path::u8string): Return std::u8string when char8_t support is
enabled.
(path::generic_u8string): Likewise.
(path::_S_convert): Handle conversion from char8_t input.
(path::_S_str_convert): Likewise.
* include/bits/functional_hash.h: Add hash<char8_t>.
* include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
char8_t.
* include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
for new char8_t specializations.
* include/bits/localefwd.h: Add missing declarations of
codecvt<char16_t, char, mbstate_t> and
codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
codecvt<char16_t, char8_t, mbstate_t> and
codecvt<char32_t, char8_t, mbstate_t>.
* include/bits/postypes.h: Add u8streampos
* include/bits/stringfwd.h: Add declarations of
char_traits<char8_t> and u8string.
* include/c_global/cstddef: Add __byte_operand<char8_t>.
* include/experimental/bits/fs_path.h (path::__is_encoded_char):
Recognize char8_t.
(path::u8string): Return std::u8string when char8_t support is
enabled.
(path::generic_u8string): Likewise.
(path::_S_convert): Handle conversion from char8_t input.
(path::_S_str_convert): Likewise.
* include/experimental/string: Add u8string.
* include/experimental/string_view: Add u8string_view,
hash<experimental::u8string_view>, and
operator""sv(const char8_t*, size_t).
* include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
* include/std/charconv (__is_int_to_chars_type): Recognize char8_t
as a character type.
* include/std/limits: Add numeric_limits<char8_t>.
* include/std/string_view: Add u8string_view,
hash<experimental::u8string_view>, and
operator""sv(const char8_t*, size_t).
* include/std/type_traits: Add __is_integral_helper<char8_t>,
__make_unsigned<char8_t>, and __make_signed<char8_t>.
* libsupc++/atomic_lockfree_defines.h: Define
ATOMIC_CHAR8_T_LOCK_FREE.
* src/c++11/Makefile.am: Compile with -fchar8_t when compiling
codecvt.cc and limits.cc so that char8_t specializations of
numeric_limits and codecvt and emitted.
* src/c++11/Makefile.in: Likewise.
* src/c++11/codecvt.cc: Define members of
codecvt<char16_t, char8_t, mbstate_t>,
codecvt<char32_t, char8_t, mbstate_t>,
codecvt_byname<char16_t, char8_t, mbstate_t>, and
codecvt_byname<char32_t, char8_t, mbstate_t>.
* src/c++11/limits.cc: Define members of
numeric_limits<char8_t>.
* src/c++98/Makefile.am: Compile with -fchar8_t when compiling
locale_init.cc and localename.cc.
* src/c++98/Makefile.in: Likewise.
* src/c++98/locale_init.cc: Add initialization for the
codecvt<char16_t, char8_t, mbstate_t> and
codecvt<char32_t, char8_t, mbstate_t> facets.
* src/c++98/localename.cc: Likewise.
* testsuite/util/testsuite_abi.cc: Validate ABI bump.
From-SVN: r269004
Diffstat (limited to 'libstdc++-v3/src/c++98')
-rw-r--r-- | libstdc++-v3/src/c++98/Makefile.am | 8 | ||||
-rw-r--r-- | libstdc++-v3/src/c++98/Makefile.in | 8 | ||||
-rw-r--r-- | libstdc++-v3/src/c++98/locale_init.cc | 20 | ||||
-rw-r--r-- | libstdc++-v3/src/c++98/localename.cc | 6 |
4 files changed, 34 insertions, 8 deletions
diff --git a/libstdc++-v3/src/c++98/Makefile.am b/libstdc++-v3/src/c++98/Makefile.am index b9f59ec..ba88f00 100644 --- a/libstdc++-v3/src/c++98/Makefile.am +++ b/libstdc++-v3/src/c++98/Makefile.am @@ -184,13 +184,13 @@ endif # XXX TODO move locale_init.cc and localename.cc to src/c++11 locale_init.lo: locale_init.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< locale_init.o: locale_init.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< localename.lo: localename.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< localename.o: localename.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< # Use special rules for the deprecated source files so that they find # deprecated include files. diff --git a/libstdc++-v3/src/c++98/Makefile.in b/libstdc++-v3/src/c++98/Makefile.in index 009cb11..8e89c73 100644 --- a/libstdc++-v3/src/c++98/Makefile.in +++ b/libstdc++-v3/src/c++98/Makefile.in @@ -888,13 +888,13 @@ c++locale.o: c++locale.cc # XXX TODO move locale_init.cc and localename.cc to src/c++11 locale_init.lo: locale_init.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< locale_init.o: locale_init.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< localename.lo: localename.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< localename.o: localename.cc - $(LTCXXCOMPILE) -std=gnu++11 -c $< + $(LTCXXCOMPILE) -std=gnu++11 -fchar8_t -c $< strstream.lo: strstream.cc $(LTCXXCOMPILE) -I$(GLIBCXX_INCLUDE_DIR)/backward -Wno-deprecated -c $< strstream.o: strstream.cc diff --git a/libstdc++-v3/src/c++98/locale_init.cc b/libstdc++-v3/src/c++98/locale_init.cc index 0b778de..e5e9d74 100644 --- a/libstdc++-v3/src/c++98/locale_init.cc +++ b/libstdc++-v3/src/c++98/locale_init.cc @@ -209,6 +209,16 @@ namespace __attribute__ ((aligned(__alignof__(codecvt<char32_t, char, mbstate_t>)))); fake_codecvt_c32 codecvt_c32; +#ifdef _GLIBCXX_USE_CHAR8_T + typedef char fake_codecvt_c16_c8[sizeof(codecvt<char16_t, char8_t, mbstate_t>)] + __attribute__ ((aligned(__alignof__(codecvt<char16_t, char8_t, mbstate_t>)))); + fake_codecvt_c16_c8 codecvt_c16_c8; + + typedef char fake_codecvt_c32_c8[sizeof(codecvt<char32_t, char8_t, mbstate_t>)] + __attribute__ ((aligned(__alignof__(codecvt<char32_t, char8_t, mbstate_t>)))); + fake_codecvt_c32_c8 codecvt_c32_c8; +#endif + // Storage for "C" locale caches. typedef char fake_num_cache_c[sizeof(std::__numpunct_cache<char>)] __attribute__ ((aligned(__alignof__(std::__numpunct_cache<char>)))); @@ -329,6 +339,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #if _GLIBCXX_NUM_UNICODE_FACETS != 0 &codecvt<char16_t, char, mbstate_t>::id, &codecvt<char32_t, char, mbstate_t>::id, +#ifdef _GLIBCXX_USE_CHAR8_T + &codecvt<char16_t, char8_t, mbstate_t>::id, + &codecvt<char32_t, char8_t, mbstate_t>::id, +#endif #endif 0 }; @@ -536,6 +550,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #if _GLIBCXX_NUM_UNICODE_FACETS != 0 _M_init_facet(new (&codecvt_c16) codecvt<char16_t, char, mbstate_t>(1)); _M_init_facet(new (&codecvt_c32) codecvt<char32_t, char, mbstate_t>(1)); + +#ifdef _GLIBCXX_USE_CHAR8_T + _M_init_facet(new (&codecvt_c16_c8) codecvt<char16_t, char8_t, mbstate_t>(1)); + _M_init_facet(new (&codecvt_c32_c8) codecvt<char32_t, char8_t, mbstate_t>(1)); +#endif + #endif #if _GLIBCXX_USE_DUAL_ABI diff --git a/libstdc++-v3/src/c++98/localename.cc b/libstdc++-v3/src/c++98/localename.cc index 38290f0..4e9c5e6 100644 --- a/libstdc++-v3/src/c++98/localename.cc +++ b/libstdc++-v3/src/c++98/localename.cc @@ -272,6 +272,12 @@ const int num_facets = _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_UNICODE_FACETS #if _GLIBCXX_NUM_UNICODE_FACETS != 0 _M_init_facet(new codecvt<char16_t, char, mbstate_t>); _M_init_facet(new codecvt<char32_t, char, mbstate_t>); + +#ifdef _GLIBCXX_USE_CHAR8_T + _M_init_facet(new codecvt<char16_t, char8_t, mbstate_t>); + _M_init_facet(new codecvt<char32_t, char8_t, mbstate_t>); +#endif + #endif #if _GLIBCXX_USE_DUAL_ABI |