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[v3 PATCH] Implement std::string_view and P0254r2, Integrating std::string_view and std::string.

From: Ville Voutilainen <ville dot voutilainen at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "libstdc++" <libstdc++ at gcc dot gnu dot org>
Date: Tue, 19 Jul 2016 21:34:45 +0300
Subject: [v3 PATCH] Implement std::string_view and P0254r2, Integrating std::string_view and std::string.
Authentication-results: sourceware.org; auth=none

Tested on Linux-x64.

I'm quite sure there are cosmetic issues left in this patch, like in the section
references of the tests. I will send it out for review now anyway.

2016-07-19  Ville Voutilainen  <ville.voutilainen@gmail.com>

    Implement std::string_view and P0254r2,
    Integrating std::string_view and std::string.
    * include/Makefile.am: Add string_view and string_view.tcc
    to the exported headers.
    * include/Makefile.in: Likewise.
    * include/bits/basic_string.h: Include <string_view> in C++17 mode.
    (__sv_type): New.
    (basic_string(__sv_type, const _Alloc&)): Likewise.
    (operator=(__sv_type)): Likewise.
    (operator __sv_type()): Likewise.
    (operator+=(__sv_type)): Likewise.
    (append(__sv_type __sv)): Likewise.
    (append(__sv_type, size_type, size_type)): Likewise.
    (assign(__sv_type)): Likewise.
    (assign(__sv_type, size_type, size_type)): Likewise.
    (insert(size_type, __sv_type)): Likewise.
    (insert(size_type, __sv_type, size_type, size_type)): Likewise.
    (replace(size_type, size_type, __sv_type)): Likewise.
    (replace(size_type, size_type, __sv_type, size_type, size_type)):
    Likewise.
    (replace(const_iterator, const_iterator, __sv_type)): Likewise.
    (find(__sv_type, size_type)): Likewise.
    (rfind(__sv_type, size_type)): Likewise.
    (find_first_of(__sv_type, size_type)): Likewise.
    (find_last_of(__sv_type, size_type)): Likewise.
    (find_first_not_of(__sv_type, size_type)): Likewise.
    (find_last_not_of(__sv_type, size_type)): Likewise.
    (compare(__sv_type)): Likewise.
    (compare(size_type, size_type, __sv_type)): Likewise.
    (compare(size_type, size_type, __sv_type, size_type, size_type)):
    Likewise.
    * include/bits/string_view.tcc: New.
    * include/std/string_view: Likewise.
    * testsuite/21_strings/basic_string/cons/char/7.cc: Likewise.
    * testsuite/21_strings/basic_string/cons/wchar_t/7.cc: Likewise.
    * testsuite/21_strings/basic_string/modifiers/append/char/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/append/wchar_t/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/assign/char/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/insert/char/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/replace/char/7.cc:
    Likewise.
    * testsuite/21_strings/basic_string/modifiers/replace/wchar_t/7.cc:
    Likewise.
    * testsuite/21_strings/basic_string/operations/compare/char/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string/operations/compare/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string/operations/find/char/5.cc:
    Likewise.
    * testsuite/21_strings/basic_string/operations/find/wchar_t/5.cc:
    Likewise.
    * testsuite/21_strings/basic_string/operators/char/5.cc: Likewise.
    * testsuite/21_strings/basic_string/operators/wchar_t/5.cc: Likewise.
    * testsuite/21_strings/basic_string_view/capacity/1.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/char/1.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/char/2.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/char/3.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/wchar_t/2.cc: Likewise.
    * testsuite/21_strings/basic_string_view/cons/wchar_t/3.cc: Likewise.
    * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/char/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/char/front_back.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/wchar_t/empty.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/element_access/wchar_t/front_back.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/include.cc: Likewise.
    * testsuite/21_strings/basic_string_view/inserters/char/1.cc: Likewise.
    * testsuite/21_strings/basic_string_view/inserters/char/2.cc: Likewise.
    * testsuite/21_strings/basic_string_view/inserters/char/3.cc: Likewise.
    * testsuite/21_strings/basic_string_view/inserters/pod/10081-out.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/inserters/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/inserters/wchar_t/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/literals/types.cc: Likewise.
    * testsuite/21_strings/basic_string_view/literals/values.cc: Likewise.
    * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/compare/char/13650.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/13650.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/data/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/data/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/char/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/find/wchar_t/4.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/char/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/char/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/3.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/string_conversion/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/substr/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/operators/char/2.cc: Likewise.
    * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/range_access/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char16_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char32_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/wchar_t/1.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
    Likewise.
    * testsuite/21_strings/basic_string_view/typedefs.cc: Likewise.
    * testsuite/21_strings/basic_string_view/types/1.cc: Likewise.

Attachment: std_string_view.diff.gz
Description: GNU Zip compressed data

Follow-Ups:
- Re: [v3 PATCH] Implement std::string_view and P0254r2, Integrating std::string_view and std::string.
  - From: Ville Voutilainen

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