vendor/llvm/llvm-release_39-r276489

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/DebugInfo/CodeView/ModuleSubstream.cpp b/lib/DebugInfo/CodeView/ModuleSubstream.cpp
new file mode 100644
index 000000000000..2e31ed6b5b7f
--- /dev/null
+++ b/lib/DebugInfo/CodeView/ModuleSubstream.cpp
@@ -0,0 +1,42 @@
+//===- ModuleSubstream.cpp --------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/CodeView/ModuleSubstream.h"
+
+#include "llvm/DebugInfo/CodeView/StreamReader.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+ModuleSubstream::ModuleSubstream() : Kind(ModuleSubstreamKind::None) {}
+
+ModuleSubstream::ModuleSubstream(ModuleSubstreamKind Kind, StreamRef Data)
+    : Kind(Kind), Data(Data) {}
+
+Error ModuleSubstream::initialize(StreamRef Stream, ModuleSubstream &Info) {
+  const ModuleSubsectionHeader *Header;
+  StreamReader Reader(Stream);
+  if (auto EC = Reader.readObject(Header))
+    return EC;
+
+  ModuleSubstreamKind Kind =
+      static_cast<ModuleSubstreamKind>(uint32_t(Header->Kind));
+  if (auto EC = Reader.readStreamRef(Info.Data, Header->Length))
+    return EC;
+  Info.Kind = Kind;
+  return Error::success();
+}
+
+uint32_t ModuleSubstream::getRecordLength() const {
+  return sizeof(ModuleSubsectionHeader) + Data.getLength();
+}
+
+ModuleSubstreamKind ModuleSubstream::getSubstreamKind() const { return Kind; }
+
+StreamRef ModuleSubstream::getRecordData() const { return Data; }