[TextAPI] TBD Reader/Writer

Add basic infrastructure for reading and writting TBD files (version 1 - 3).

The TextAPI library is not used by anything yet (besides the unit tests). Tool
support will be added in a separate commit.

The TBD format is currently documented in the implementation file (TextStub.cpp).

https://reviews.llvm.org/D53945

Update: This contains changes to fix issues discovered by the bots:
 - add parentheses to silence warnings.
 - rename variables
 - use PlatformType from BinaryFormat
llvm-svn: 347823

1 files changed, 35 insertions, 0 deletions

diff --git a/llvm/lib/TextAPI/MachO/TextAPIContext.h b/llvm/lib/TextAPI/MachO/TextAPIContext.h
new file mode 100644
index 0000000..abb30d5
--- /dev/null
+++ b/llvm/lib/TextAPI/MachO/TextAPIContext.h
@@ -0,0 +1,35 @@
+//===- llvm/TextAPI/YAMLContext.h - YAML Context ----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Defines the YAML Context for the TextAPI Reader/Writer
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TEXTAPI_MACHO_CONTEXT_H
+#define LLVM_TEXTAPI_MACHO_CONTEXT_H
+
+#include "llvm/Support/MemoryBuffer.h"
+#include <string>
+
+namespace llvm {
+namespace MachO {
+
+enum FileType : unsigned;
+
+struct TextAPIContext {
+  std::string ErrorMessage;
+  std::string Path;
+  FileType FileKind;
+};
+
+} // end namespace MachO.
+} // end namespace llvm.
+
+#endif // LLVM_TEXTAPI_MACHO_CONTEXT_H