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      1 //===-- MethodListRecordBuilder.cpp ---------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/DebugInfo/CodeView/MethodListRecordBuilder.h"
     11 #include "llvm/DebugInfo/CodeView/FieldListRecordBuilder.h"
     12 
     13 using namespace llvm;
     14 using namespace codeview;
     15 
     16 MethodListRecordBuilder::MethodListRecordBuilder()
     17     : ListRecordBuilder(TypeRecordKind::MethodOverloadList) {}
     18 
     19 void MethodListRecordBuilder::writeMethod(MemberAccess Access, MethodKind Kind,
     20                                           MethodOptions Options, TypeIndex Type,
     21                                           int32_t VTableSlotOffset) {
     22   TypeRecordBuilder &Builder = getBuilder();
     23 
     24   uint16_t Flags = static_cast<uint16_t>(Access);
     25   Flags |= static_cast<uint16_t>(Kind) << MethodKindShift;
     26   Flags |= static_cast<uint16_t>(Options);
     27 
     28   Builder.writeUInt16(Flags);
     29   Builder.writeUInt16(0);
     30   Builder.writeTypeIndex(Type);
     31   switch (Kind) {
     32   case MethodKind::IntroducingVirtual:
     33   case MethodKind::PureIntroducingVirtual:
     34     assert(VTableSlotOffset >= 0);
     35     Builder.writeInt32(VTableSlotOffset);
     36     break;
     37 
     38   default:
     39     assert(VTableSlotOffset == -1);
     40     break;
     41   }
     42 
     43   // TODO: Fail if too big?
     44 }
     45 
     46 void MethodListRecordBuilder::writeMethod(const MethodInfo &Method) {
     47   writeMethod(Method.getAccess(), Method.getKind(), Method.getOptions(),
     48               Method.getType(), Method.getVTableSlotOffset());
     49 }
     50