1 files changed, 106 insertions, 0 deletions
diff --git a/contrib/llvm/lib/DebugInfo/CodeView/ModuleSubstreamVisitor.cpp b/contrib/llvm/lib/DebugInfo/CodeView/ModuleSubstreamVisitor.cpp
new file mode 100644
index 000000000000..e490a78cadbc
--- /dev/null
+++ b/contrib/llvm/lib/DebugInfo/CodeView/ModuleSubstreamVisitor.cpp
@@ -0,0 +1,106 @@
+//===- ModuleSubstreamVisitor.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/ModuleSubstreamVisitor.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamRef.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+Error IModuleSubstreamVisitor::visitSymbols(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::Symbols, Data);
+}
+Error IModuleSubstreamVisitor::visitLines(BinaryStreamRef Data,
+                                          const LineSubstreamHeader *Header,
+                                          const LineInfoArray &Lines) {
+  return visitUnknown(ModuleSubstreamKind::Lines, Data);
+}
+Error IModuleSubstreamVisitor::visitStringTable(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::StringTable, Data);
+}
+Error IModuleSubstreamVisitor::visitFileChecksums(
+    BinaryStreamRef Data, const FileChecksumArray &Checksums) {
+  return visitUnknown(ModuleSubstreamKind::FileChecksums, Data);
+}
+Error IModuleSubstreamVisitor::visitFrameData(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::FrameData, Data);
+}
+Error IModuleSubstreamVisitor::visitInlineeLines(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::InlineeLines, Data);
+}
+Error IModuleSubstreamVisitor::visitCrossScopeImports(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::CrossScopeExports, Data);
+}
+Error IModuleSubstreamVisitor::visitCrossScopeExports(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::CrossScopeImports, Data);
+}
+Error IModuleSubstreamVisitor::visitILLines(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::ILLines, Data);
+}
+Error IModuleSubstreamVisitor::visitFuncMDTokenMap(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::FuncMDTokenMap, Data);
+}
+Error IModuleSubstreamVisitor::visitTypeMDTokenMap(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::TypeMDTokenMap, Data);
+}
+Error IModuleSubstreamVisitor::visitMergedAssemblyInput(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::MergedAssemblyInput, Data);
+}
+Error IModuleSubstreamVisitor::visitCoffSymbolRVA(BinaryStreamRef Data) {
+  return visitUnknown(ModuleSubstreamKind::CoffSymbolRVA, Data);
+}
+
+Error llvm::codeview::visitModuleSubstream(const ModuleSubstream &R,
+                                           IModuleSubstreamVisitor &V) {
+  switch (R.getSubstreamKind()) {
+  case ModuleSubstreamKind::Symbols:
+    return V.visitSymbols(R.getRecordData());
+  case ModuleSubstreamKind::Lines: {
+    BinaryStreamReader Reader(R.getRecordData());
+    const LineSubstreamHeader *Header;
+    if (auto EC = Reader.readObject(Header))
+      return EC;
+    VarStreamArrayExtractor<LineColumnEntry> E(Header);
+    LineInfoArray LineInfos(E);
+    if (auto EC = Reader.readArray(LineInfos, Reader.bytesRemaining()))
+      return EC;
+    return V.visitLines(R.getRecordData(), Header, LineInfos);
+  }
+  case ModuleSubstreamKind::StringTable:
+    return V.visitStringTable(R.getRecordData());
+  case ModuleSubstreamKind::FileChecksums: {
+    BinaryStreamReader Reader(R.getRecordData());
+    FileChecksumArray Checksums;
+    if (auto EC = Reader.readArray(Checksums, Reader.bytesRemaining()))
+      return EC;
+    return V.visitFileChecksums(R.getRecordData(), Checksums);
+  }
+  case ModuleSubstreamKind::FrameData:
+    return V.visitFrameData(R.getRecordData());
+  case ModuleSubstreamKind::InlineeLines:
+    return V.visitInlineeLines(R.getRecordData());
+  case ModuleSubstreamKind::CrossScopeImports:
+    return V.visitCrossScopeImports(R.getRecordData());
+  case ModuleSubstreamKind::CrossScopeExports:
+    return V.visitCrossScopeExports(R.getRecordData());
+  case ModuleSubstreamKind::ILLines:
+    return V.visitILLines(R.getRecordData());
+  case ModuleSubstreamKind::FuncMDTokenMap:
+    return V.visitFuncMDTokenMap(R.getRecordData());
+  case ModuleSubstreamKind::TypeMDTokenMap:
+    return V.visitTypeMDTokenMap(R.getRecordData());
+  case ModuleSubstreamKind::MergedAssemblyInput:
+    return V.visitMergedAssemblyInput(R.getRecordData());
+  case ModuleSubstreamKind::CoffSymbolRVA:
+    return V.visitCoffSymbolRVA(R.getRecordData());
+  default:
+    return V.visitUnknown(R.getSubstreamKind(), R.getRecordData());
+  }
+}