flang/module/iso_fortran_env.f90

   1 !===-- module/iso_fortran_env.f90 ------------------------------------------===!
   2 !
   3 ! Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 ! See https://llvm.org/LICENSE.txt for license information.
   5 ! SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 !
   7 !===------------------------------------------------------------------------===!
   8
   9 ! See Fortran 2023, subclause 16.10.2
  10
  11 #include '../include/flang/Runtime/magic-numbers.h'
  12
  13 module iso_fortran_env
  14
  15   use __fortran_builtins, only: &
  16     event_type => __builtin_event_type, &
  17     notify_type => __builtin_notify_type, &
  18     lock_type => __builtin_lock_type, &
  19     team_type => __builtin_team_type, &
  20     atomic_int_kind => __builtin_atomic_int_kind, &
  21     atomic_logical_kind => __builtin_atomic_logical_kind, &
  22     compiler_options => __builtin_compiler_options, &
  23     compiler_version => __builtin_compiler_version
  24
  25   use iso_fortran_env_impl, only: &
  26     selectedInt8, selectedInt16, selectedInt32, selectedInt64, selectedInt128, &
  27     safeInt8, safeInt16, safeInt32, safeInt64, safeInt128, &
  28     int8, int16, int32, int64, int128, &
  29     logical8, logical16, logical32, logical64, &
  30     selectedReal16, selectedBfloat16, selectedReal32, &
  31     selectedReal64, selectedReal80, selectedReal64x2, &
  32     selectedReal128, &
  33     safeReal16, safeBfloat16, safeReal32, &
  34     safeReal64, safeReal80, safeReal64x2, &
  35     safeReal128, &
  36     real16, bfloat16, real32, real64, &
  37     real80, real64x2, real128, &
  38     integer_kinds => __builtin_integer_kinds, &
  39     real_kinds => __builtin_real_kinds, &
  40     logical_kinds => __builtin_logical_kinds
  41
  42   implicit none
  43   private
  44
  45   public :: event_type, notify_type, lock_type, team_type, &
  46     atomic_int_kind, atomic_logical_kind, compiler_options, &
  47     compiler_version
  48
  49   integer, parameter :: &
  50     selectedASCII = selected_char_kind('ASCII'), &
  51     selectedUCS_2 = selected_char_kind('UCS-2'), &
  52     selectedUnicode = selected_char_kind('ISO_10646')
  53   integer, parameter, public :: character_kinds(*) = [ &
  54     pack([selectedASCII], selectedASCII >= 0), &
  55     pack([selectedUCS_2], selectedUCS_2 >= 0), &
  56     pack([selectedUnicode], selectedUnicode >= 0)]
  57
  58   public :: selectedInt8, selectedInt16, selectedInt32, selectedInt64, selectedInt128, &
  59     safeInt8, safeInt16, safeInt32, safeInt64, safeInt128, &
  60     int8, int16, int32, int64, int128
  61
  62   public :: logical8, logical16, logical32, logical64
  63
  64   public :: selectedReal16, selectedBfloat16, selectedReal32, &
  65     selectedReal64, selectedReal80, selectedReal64x2, &
  66     selectedReal128, &
  67     safeReal16, safeBfloat16, safeReal32, &
  68     safeReal64, safeReal80, safeReal64x2, &
  69     safeReal128, &
  70     real16, bfloat16, real32, real64, &
  71     real80, real64x2, real128
  72
  73   public :: integer_kinds, real_kinds, logical_kinds
  74
  75   integer, parameter, public :: current_team = -1, &
  76     initial_team = -2, &
  77     parent_team = -3
  78
  79   integer, parameter, public :: character_storage_size = 8
  80   integer, parameter, public :: file_storage_size = 8
  81
  82   intrinsic :: __builtin_numeric_storage_size
  83   ! This value depends on any -fdefault-integer-N and -fdefault-real-N
  84   ! compiler options that are active when the module file is read.
  85   integer, parameter, public :: numeric_storage_size = &
  86     __builtin_numeric_storage_size()
  87
  88   ! From Runtime/magic-numbers.h:
  89   integer, parameter, public :: &
  90     output_unit = FORTRAN_DEFAULT_OUTPUT_UNIT, &
  91     input_unit = FORTRAN_DEFAULT_INPUT_UNIT, &
  92     error_unit = FORTRAN_ERROR_UNIT, &
  93     iostat_end = FORTRAN_RUNTIME_IOSTAT_END, &
  94     iostat_eor = FORTRAN_RUNTIME_IOSTAT_EOR, &
  95     iostat_inquire_internal_unit = FORTRAN_RUNTIME_IOSTAT_INQUIRE_INTERNAL_UNIT, &
  96     stat_failed_image = FORTRAN_RUNTIME_STAT_FAILED_IMAGE, &
  97     stat_locked = FORTRAN_RUNTIME_STAT_LOCKED, &
  98     stat_locked_other_image = FORTRAN_RUNTIME_STAT_LOCKED_OTHER_IMAGE, &
  99     stat_stopped_image = FORTRAN_RUNTIME_STAT_STOPPED_IMAGE, &
 100     stat_unlocked = FORTRAN_RUNTIME_STAT_UNLOCKED, &
 101     stat_unlocked_failed_image = FORTRAN_RUNTIME_STAT_UNLOCKED_FAILED_IMAGE
 102
 103 end module iso_fortran_env