CharUnits CGCXXABI::getMemberPointerPathAdjustment(const APValue &MP) {
// TODO: Store base specifiers in APValue member pointer paths so we can
// easily reuse CGM.GetNonVirtualBaseClassOffset().
const ValueDecl *MPD = MP.getMemberPointerDecl();
CharUnits ThisAdjustment = CharUnits::Zero();
ArrayRef<const CXXRecordDecl*> Path = MP.getMemberPointerPath();
bool DerivedMember = MP.isMemberPointerToDerivedMember();
const CXXRecordDecl *RD = cast<CXXRecordDecl>(MPD->getDeclContext());
for (unsigned I = 0, N = Path.size(); I != N; ++I) {
const CXXRecordDecl *Base = RD;
const CXXRecordDecl *Derived = Path[I];
if (DerivedMember)
std::swap(Base, Derived);
ThisAdjustment +=
getContext().getASTRecordLayout(Derived).getBaseClassOffset(Base);
RD = Path[I];
}
if (DerivedMember)
ThisAdjustment = -ThisAdjustment;
return ThisAdjustment;
}
APValue::APValue(const APValue &RHS) : Kind(Uninitialized) {
switch (RHS.getKind()) {
case Uninitialized:
break;
case Int:
MakeInt();
setInt(RHS.getInt());
break;
case Float:
MakeFloat();
setFloat(RHS.getFloat());
break;
case Vector:
MakeVector();
setVector(((const Vec *)(const char *)RHS.Data.buffer)->Elts,
RHS.getVectorLength());
break;
case ComplexInt:
MakeComplexInt();
setComplexInt(RHS.getComplexIntReal(), RHS.getComplexIntImag());
break;
case ComplexFloat:
MakeComplexFloat();
setComplexFloat(RHS.getComplexFloatReal(), RHS.getComplexFloatImag());
break;
case LValue:
MakeLValue();
if (RHS.hasLValuePath())
setLValue(RHS.getLValueBase(), RHS.getLValueOffset(), RHS.getLValuePath(),
RHS.isLValueOnePastTheEnd(), RHS.isNullPointer());
else
setLValue(RHS.getLValueBase(), RHS.getLValueOffset(), NoLValuePath(),
RHS.isNullPointer());
break;
case Array:
MakeArray(RHS.getArrayInitializedElts(), RHS.getArraySize());
for (unsigned I = 0, N = RHS.getArrayInitializedElts(); I != N; ++I)
getArrayInitializedElt(I) = RHS.getArrayInitializedElt(I);
if (RHS.hasArrayFiller())
getArrayFiller() = RHS.getArrayFiller();
break;
case Struct:
MakeStruct(RHS.getStructNumBases(), RHS.getStructNumFields());
for (unsigned I = 0, N = RHS.getStructNumBases(); I != N; ++I)
getStructBase(I) = RHS.getStructBase(I);
for (unsigned I = 0, N = RHS.getStructNumFields(); I != N; ++I)
getStructField(I) = RHS.getStructField(I);
break;
case Union:
MakeUnion();
setUnion(RHS.getUnionField(), RHS.getUnionValue());
break;
case MemberPointer:
MakeMemberPointer(RHS.getMemberPointerDecl(),
RHS.isMemberPointerToDerivedMember(),
RHS.getMemberPointerPath());
break;
case AddrLabelDiff:
MakeAddrLabelDiff();
setAddrLabelDiff(RHS.getAddrLabelDiffLHS(), RHS.getAddrLabelDiffRHS());
break;
}
}