42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
//===-- runtime/extensions.cpp --------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// These C-coded entry points with Fortran-mangled names implement legacy
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// extensions that will eventually be implemented in Fortran.
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#include "flang/Runtime/extensions.h"
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#include "flang/Runtime/command.h"
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#include "flang/Runtime/descriptor.h"
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#include "flang/Runtime/io-api.h"
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extern "C" {
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namespace Fortran::runtime {
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namespace io {
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// SUBROUTINE FLUSH(N)
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// FLUSH N
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// END
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void FORTRAN_PROCEDURE_NAME(flush)(const int &unit) {
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Cookie cookie{IONAME(BeginFlush)(unit, __FILE__, __LINE__)};
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IONAME(EndIoStatement)(cookie);
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}
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} // namespace io
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// RESULT = IARGC()
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std::int32_t FORTRAN_PROCEDURE_NAME(iargc)() { return RTNAME(ArgumentCount)(); }
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// CALL GETARG(N, ARG)
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void FORTRAN_PROCEDURE_NAME(getarg)(
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std::int32_t &n, std::int8_t *arg, std::int64_t length) {
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Descriptor value{*Descriptor::Create(1, length, arg, 0)};
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(void)RTNAME(GetCommandArgument)(
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n, &value, nullptr, nullptr, __FILE__, __LINE__);
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}
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} // namespace Fortran::runtime
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} // extern "C"
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