[flang-commits] [PATCH] D115289: [flang] Add CALL FLUSH(n) legacy extension

[Peter Klausler via Phabricator via flang-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG627a8ac7903f: [flang] Add CALL FLUSH(n) legacy extension (authored by klausler).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115289/new/

https://reviews.llvm.org/D115289

Files:
  flang/include/flang/Runtime/extensions.h
  flang/runtime/CMakeLists.txt
  flang/runtime/extensions.cpp


Index: flang/runtime/extensions.cpp
===================================================================
--- /dev/null
+++ flang/runtime/extensions.cpp
@@ -0,0 +1,26 @@
+//===-- runtime/extensions.cpp --------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// These C-coded entry points with Fortran-mangled names implement legacy
+// extensions that will eventually be implemented in Fortran.
+
+#include "flang/Runtime/extensions.h"
+#include "flang/Runtime/io-api.h"
+
+extern "C" {
+
+// SUBROUTINE FLUSH(N)
+//   FLUSH N
+// END
+namespace Fortran::runtime::io {
+void FORTRAN_SUBROUTINE_NAME(flush)(const int &unit) {
+  Cookie cookie{IONAME(BeginFlush)(unit, __FILE__, __LINE__)};
+  IONAME(EndIoStatement)(cookie);
+}
+} // namespace Fortran::runtime::io
+} // extern "C"
Index: flang/runtime/CMakeLists.txt
===================================================================
--- flang/runtime/CMakeLists.txt
+++ flang/runtime/CMakeLists.txt
@@ -48,6 +48,7 @@
   edit-input.cpp
   edit-output.cpp
   environment.cpp
+  extensions.cpp
   extrema.cpp
   file.cpp
   findloc.cpp
Index: flang/include/flang/Runtime/extensions.h
===================================================================
--- /dev/null
+++ flang/include/flang/Runtime/extensions.h
@@ -0,0 +1,23 @@
+//===-- include/flang/Runtime/extensions.h ----------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// These C-coded entry points with Fortran-mangled names implement legacy
+// extensions that will eventually be implemented in Fortran.
+
+#ifndef FORTRAN_RUNTIME_EXTENSIONS_H_
+#define FORTRAN_RUNTIME_EXTENSIONS_H_
+
+#define FORTRAN_SUBROUTINE_NAME(name) name##_
+
+extern "C" {
+
+// CALL FLUSH(n) antedates the Fortran 2003 FLUSH statement.
+void FORTRAN_SUBROUTINE_NAME(flush)(const int &unit);
+
+} // extern "C"
+#endif // FORTRAN_RUNTIME_EXTENSIONS_H_


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