[PDB] Move some code around. NFC.

llvm-svn: 348505

2 files changed, 55 insertions, 1 deletions

diff --git a/llvm/lib/DebugInfo/CodeView/CMakeLists.txt b/llvm/lib/DebugInfo/CodeView/CMakeLists.txt
index e1bdffd30ee..1610ca46957 100644
--- a/llvm/lib/DebugInfo/CodeView/CMakeLists.txt
+++ b/llvm/lib/DebugInfo/CodeView/CMakeLists.txt
@@ -27,8 +27,9 @@ add_llvm_library(LLVMDebugInfoCodeView
   RecordSerialization.cpp
   SimpleTypeSerializer.cpp
   StringsAndChecksums.cpp
-  SymbolRecordMapping.cpp
   SymbolDumper.cpp
+  SymbolRecordHelpers.cpp
+  SymbolRecordMapping.cpp
   SymbolSerializer.cpp
   TypeDumpVisitor.cpp
   TypeIndex.cpp
diff --git a/llvm/lib/DebugInfo/CodeView/SymbolRecordHelpers.cpp b/llvm/lib/DebugInfo/CodeView/SymbolRecordHelpers.cpp
new file mode 100644
index 00000000000..f44fc8f01df
--- /dev/null
+++ b/llvm/lib/DebugInfo/CodeView/SymbolRecordHelpers.cpp
@@ -0,0 +1,53 @@
+//===- SymbolRecordHelpers.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/SymbolRecordHelpers.h"
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+template <typename RecordT> RecordT createRecord(const CVSymbol &sym) {
+  RecordT record(static_cast<SymbolRecordKind>(sym.kind()));
+  cantFail(SymbolDeserializer::deserializeAs<RecordT>(sym, record));
+  return record;
+}
+
+uint32_t
+llvm::codeview::getScopeEndOffset(const llvm::codeview::CVSymbol &Sym) {
+  assert(symbolOpensScope(Sym.kind()));
+  switch (Sym.kind()) {
+  case SymbolKind::S_GPROC32:
+  case SymbolKind::S_LPROC32:
+  case SymbolKind::S_GPROC32_ID:
+  case SymbolKind::S_LPROC32_ID:
+  case SymbolKind::S_LPROC32_DPC:
+  case SymbolKind::S_LPROC32_DPC_ID: {
+    ProcSym Proc = createRecord<ProcSym>(Sym);
+    return Proc.End;
+  }
+  case SymbolKind::S_BLOCK32: {
+    BlockSym Block = createRecord<BlockSym>(Sym);
+    return Block.End;
+  }
+  case SymbolKind::S_THUNK32: {
+    Thunk32Sym Thunk = createRecord<Thunk32Sym>(Sym);
+    return Thunk.End;
+  }
+  case SymbolKind::S_INLINESITE: {
+    InlineSiteSym Site = createRecord<InlineSiteSym>(Sym);
+    return Site.End;
+  }
+  default:
+    assert(false && "Unknown record type");
+    return 0;
+  }
+}
\ No newline at end of file