LLVM CodeView library

[oota-llvm.git] / lib / DebugInfo / CodeView / FieldListRecordBuilder.cpp

diff --git a/lib/DebugInfo/CodeView/FieldListRecordBuilder.cpp b/lib/DebugInfo/CodeView/FieldListRecordBuilder.cpp
new file mode 100644 (file)
index 0000000..91b71cc
--- /dev/null
+++ b/lib/DebugInfo/CodeView/FieldListRecordBuilder.cpp
@@ -0,0 +1,165 @@
+//===-- FieldListRecordBuilder.cpp ----------------------------------------===//
+//
+//                     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/FieldListRecordBuilder.h"
+
+using namespace llvm;
+using namespace codeview;
+
+FieldListRecordBuilder::FieldListRecordBuilder()
+    : ListRecordBuilder(TypeRecordKind::FieldList) {}
+
+void FieldListRecordBuilder::writeBaseClass(MemberAccess Access, TypeIndex Type,
+                                            uint64_t Offset) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::BaseClass);
+  Builder.writeUInt16(static_cast<uint16_t>(Access));
+  Builder.writeTypeIndex(Type);
+  Builder.writeEncodedUnsignedInteger(Offset);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeEnumerate(MemberAccess Access, uint64_t Value,
+                                            StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::Enumerate);
+  Builder.writeUInt16(static_cast<uint16_t>(Access));
+  Builder.writeEncodedUnsignedInteger(Value);
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeMember(MemberAccess Access, TypeIndex Type,
+                                         uint64_t Offset, StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::Member);
+  Builder.writeUInt16(static_cast<uint16_t>(Access));
+  Builder.writeTypeIndex(Type);
+  Builder.writeEncodedUnsignedInteger(Offset);
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeMethod(uint16_t OverloadCount,
+                                         TypeIndex MethodList, StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::Method);
+  Builder.writeUInt16(OverloadCount);
+  Builder.writeTypeIndex(MethodList);
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeOneMethod(
+    MemberAccess Access, MethodKind Kind, MethodOptions Options, TypeIndex Type,
+    int32_t VTableSlotOffset, StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  uint16_t Flags = static_cast<uint16_t>(Access);
+  Flags |= static_cast<uint16_t>(Kind) << MethodKindShift;
+  Flags |= static_cast<uint16_t>(Options);
+
+  Builder.writeTypeRecordKind(TypeRecordKind::OneMethod);
+  Builder.writeUInt16(Flags);
+  Builder.writeTypeIndex(Type);
+  switch (Kind) {
+  case MethodKind::IntroducingVirtual:
+  case MethodKind::PureIntroducingVirtual:
+    assert(VTableSlotOffset >= 0);
+    Builder.writeInt32(VTableSlotOffset);
+    break;
+
+  default:
+    assert(VTableSlotOffset == -1);
+    break;
+  }
+
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeOneMethod(const MethodInfo &Method,
+                                            StringRef Name) {
+  writeOneMethod(Method.getAccess(), Method.getKind(), Method.getOptions(),
+                 Method.getType(), Method.getVTableSlotOffset(), Name);
+}
+
+void FieldListRecordBuilder::writeNestedType(TypeIndex Type, StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::NestedType);
+  Builder.writeUInt16(0);
+  Builder.writeTypeIndex(Type);
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeStaticMember(MemberAccess Access,
+                                               TypeIndex Type, StringRef Name) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::StaticMember);
+  Builder.writeUInt16(static_cast<uint16_t>(Access));
+  Builder.writeTypeIndex(Type);
+  Builder.writeNullTerminatedString(Name);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeIndirectVirtualBaseClass(
+    MemberAccess Access, TypeIndex Type, TypeIndex VirtualBasePointerType,
+    int64_t VirtualBasePointerOffset, uint64_t SlotIndex) {
+  writeVirtualBaseClass(TypeRecordKind::IndirectVirtualBaseClass, Access, Type,
+                        VirtualBasePointerType, VirtualBasePointerOffset,
+                        SlotIndex);
+}
+
+void FieldListRecordBuilder::writeVirtualBaseClass(
+    MemberAccess Access, TypeIndex Type, TypeIndex VirtualBasePointerType,
+    int64_t VirtualBasePointerOffset, uint64_t SlotIndex) {
+  writeVirtualBaseClass(TypeRecordKind::VirtualBaseClass, Access, Type,
+                        VirtualBasePointerType, VirtualBasePointerOffset,
+                        SlotIndex);
+}
+
+void FieldListRecordBuilder::writeVirtualBaseClass(
+    TypeRecordKind Kind, MemberAccess Access, TypeIndex Type,
+    TypeIndex VirtualBasePointerType, int64_t VirtualBasePointerOffset,
+    uint64_t SlotIndex) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(Kind);
+  Builder.writeUInt16(static_cast<uint16_t>(Access));
+  Builder.writeTypeIndex(Type);
+  Builder.writeTypeIndex(VirtualBasePointerType);
+  Builder.writeEncodedInteger(VirtualBasePointerOffset);
+  Builder.writeEncodedUnsignedInteger(SlotIndex);
+
+  finishSubRecord();
+}
+
+void FieldListRecordBuilder::writeVirtualFunctionTablePointer(TypeIndex Type) {
+  TypeRecordBuilder &Builder = getBuilder();
+
+  Builder.writeTypeRecordKind(TypeRecordKind::VirtualFunctionTablePointer);
+  Builder.writeUInt16(0);
+  Builder.writeTypeIndex(Type);
+
+  finishSubRecord();
+}
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