Commit 081c1db0 authored by Mark de Wever's avatar Mark de Wever
Browse files

[libc++] Implement format_error. 

This is the first step at implementing <format>. It adds the <format> header
and implements the `format_error`. class.

Implemnts parts of:
-P0645 Text Formatting

Reviewed By: ldionne, #libc, miscco, curdeius

Differential Revision: https://reviews.llvm.org/D92214
parent 207d4be4

libcxx/docs/Cxx2aStatusPaperStatus.csv

+1 −1
Original line number Diff line number Diff line
@@ -103,7 +103,7 @@ 
"`P0466 <https://wg21.link/P0466>`__","LWG","Layout-compatibility and Pointer-interconvertibility Traits","Cologne","",""

"`P0553 <https://wg21.link/P0553>`__","LWG","Bit operations","Cologne","|Complete|","9.0"

"`P0631 <https://wg21.link/P0631>`__","LWG","Math Constants","Cologne","|Complete|","11.0"

"`P0645 <https://wg21.link/P0645>`__","LWG","Text Formatting","Cologne","",""

"`P0645 <https://wg21.link/P0645>`__","LWG","Text Formatting","Cologne","|In Progress|",""

"`P0660 <https://wg21.link/P0660>`__","LWG","Stop Token and Joining Thread, Rev 10","Cologne","",""

"`P0784 <https://wg21.link/P0784>`__","CWG","More constexpr containers","Cologne","|Complete|","12.0"

"`P0980 <https://wg21.link/P0980>`__","LWG","Making std::string constexpr","Cologne","",""

libcxx/docs/FeatureTestMacroTable.rst

+2 −0
Original line number Diff line number Diff line
@@ -234,6 +234,8 @@ Status 
    ------------------------------------------------- -----------------

    ``__cpp_lib_execution``                           *unimplemented*

    ------------------------------------------------- -----------------

    ``__cpp_lib_format``                              *unimplemented*

    ------------------------------------------------- -----------------

    ``__cpp_lib_generic_unordered_lookup``            ``201811L``

    ------------------------------------------------- -----------------

    ``__cpp_lib_int_pow2``                            ``202002L``

libcxx/include/CMakeLists.txt

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ set(files 
  fenv.h

  filesystem

  float.h

  format

  forward_list

  fstream

  functional

libcxx/include/format

0 → 100644
+56 −0
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// -*- C++ -*-

//===--------------------------- format -----------------------------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//



#ifndef _LIBCPP_FORMAT

#define _LIBCPP_FORMAT



/*



namespace std {

  // [format.error], class format_error

  class format_error : public runtime_error {

  public:

    explicit format_error(const string& what_arg);

    explicit format_error(const char* what_arg);

  };

}



*/



#include <__config>

#include <stdexcept>

#include <version>



#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

#  pragma GCC system_header

#endif



_LIBCPP_PUSH_MACROS

#include <__undef_macros>



_LIBCPP_BEGIN_NAMESPACE_STD



#if _LIBCPP_STD_VER > 17



class _LIBCPP_EXCEPTION_ABI format_error : public runtime_error {

public:

  _LIBCPP_INLINE_VISIBILITY explicit format_error(const string& __s)

      : runtime_error(__s) {}

  _LIBCPP_INLINE_VISIBILITY explicit format_error(const char* __s)

      : runtime_error(__s) {}

  virtual ~format_error() noexcept;

};



#endif //_LIBCPP_STD_VER > 17



_LIBCPP_END_NAMESPACE_STD



_LIBCPP_POP_MACROS



#endif // _LIBCPP_FORMAT

libcxx/include/module.modulemap

+4 −0
Original line number Diff line number Diff line
@@ -292,6 +292,10 @@ module std [system] { 
    header "filesystem"

    export *

  }

  module format {

    header "format"

    export *

  }

  module forward_list {

    header "forward_list"

    export initializer_list