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-rw-r--r--contrib/llvm/tools/clang/lib/AST/APValue.cpp573
1 files changed, 496 insertions, 77 deletions
diff --git a/contrib/llvm/tools/clang/lib/AST/APValue.cpp b/contrib/llvm/tools/clang/lib/AST/APValue.cpp
index 6f63a32..a31b3c5 100644
--- a/contrib/llvm/tools/clang/lib/AST/APValue.cpp
+++ b/contrib/llvm/tools/clang/lib/AST/APValue.cpp
@@ -12,7 +12,11 @@
//===----------------------------------------------------------------------===//
#include "clang/AST/APValue.h"
+#include "clang/AST/ASTContext.h"
#include "clang/AST/CharUnits.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/Type.h"
#include "clang/Basic/Diagnostic.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"
@@ -20,49 +24,169 @@
using namespace clang;
namespace {
- struct LV {
- const Expr* Base;
+ struct LVBase {
+ llvm::PointerIntPair<APValue::LValueBase, 1, bool> BaseAndIsOnePastTheEnd;
CharUnits Offset;
+ unsigned PathLength;
+ unsigned CallIndex;
};
}
-APValue::APValue(const Expr* B) : Kind(Uninitialized) {
- MakeLValue(); setLValue(B, CharUnits::Zero());
-}
-
-const APValue &APValue::operator=(const APValue &RHS) {
- if (Kind != RHS.Kind) {
- MakeUninit();
- if (RHS.isInt())
- MakeInt();
- else if (RHS.isFloat())
- MakeFloat();
- else if (RHS.isVector())
- MakeVector();
- else if (RHS.isComplexInt())
- MakeComplexInt();
- else if (RHS.isComplexFloat())
- MakeComplexFloat();
- else if (RHS.isLValue())
- MakeLValue();
+struct APValue::LV : LVBase {
+ static const unsigned InlinePathSpace =
+ (MaxSize - sizeof(LVBase)) / sizeof(LValuePathEntry);
+
+ /// Path - The sequence of base classes, fields and array indices to follow to
+ /// walk from Base to the subobject. When performing GCC-style folding, there
+ /// may not be such a path.
+ union {
+ LValuePathEntry Path[InlinePathSpace];
+ LValuePathEntry *PathPtr;
+ };
+
+ LV() { PathLength = (unsigned)-1; }
+ ~LV() { resizePath(0); }
+
+ void resizePath(unsigned Length) {
+ if (Length == PathLength)
+ return;
+ if (hasPathPtr())
+ delete [] PathPtr;
+ PathLength = Length;
+ if (hasPathPtr())
+ PathPtr = new LValuePathEntry[Length];
+ }
+
+ bool hasPath() const { return PathLength != (unsigned)-1; }
+ bool hasPathPtr() const { return hasPath() && PathLength > InlinePathSpace; }
+
+ LValuePathEntry *getPath() { return hasPathPtr() ? PathPtr : Path; }
+ const LValuePathEntry *getPath() const {
+ return hasPathPtr() ? PathPtr : Path;
+ }
+};
+
+namespace {
+ struct MemberPointerBase {
+ llvm::PointerIntPair<const ValueDecl*, 1, bool> MemberAndIsDerivedMember;
+ unsigned PathLength;
+ };
+}
+
+struct APValue::MemberPointerData : MemberPointerBase {
+ static const unsigned InlinePathSpace =
+ (MaxSize - sizeof(MemberPointerBase)) / sizeof(const CXXRecordDecl*);
+ typedef const CXXRecordDecl *PathElem;
+ union {
+ PathElem Path[InlinePathSpace];
+ PathElem *PathPtr;
+ };
+
+ MemberPointerData() { PathLength = 0; }
+ ~MemberPointerData() { resizePath(0); }
+
+ void resizePath(unsigned Length) {
+ if (Length == PathLength)
+ return;
+ if (hasPathPtr())
+ delete [] PathPtr;
+ PathLength = Length;
+ if (hasPathPtr())
+ PathPtr = new PathElem[Length];
}
- if (isInt())
+
+ bool hasPathPtr() const { return PathLength > InlinePathSpace; }
+
+ PathElem *getPath() { return hasPathPtr() ? PathPtr : Path; }
+ const PathElem *getPath() const {
+ return hasPathPtr() ? PathPtr : Path;
+ }
+};
+
+// FIXME: Reduce the malloc traffic here.
+
+APValue::Arr::Arr(unsigned NumElts, unsigned Size) :
+ Elts(new APValue[NumElts + (NumElts != Size ? 1 : 0)]),
+ NumElts(NumElts), ArrSize(Size) {}
+APValue::Arr::~Arr() { delete [] Elts; }
+
+APValue::StructData::StructData(unsigned NumBases, unsigned NumFields) :
+ Elts(new APValue[NumBases+NumFields]),
+ NumBases(NumBases), NumFields(NumFields) {}
+APValue::StructData::~StructData() {
+ delete [] Elts;
+}
+
+APValue::UnionData::UnionData() : Field(0), Value(new APValue) {}
+APValue::UnionData::~UnionData () {
+ delete Value;
+}
+
+APValue::APValue(const APValue &RHS) : Kind(Uninitialized) {
+ switch (RHS.getKind()) {
+ case Uninitialized:
+ break;
+ case Int:
+ MakeInt();
setInt(RHS.getInt());
- else if (isFloat())
+ break;
+ case Float:
+ MakeFloat();
setFloat(RHS.getFloat());
- else if (isVector())
+ break;
+ case Vector:
+ MakeVector();
setVector(((const Vec *)(const char *)RHS.Data)->Elts,
RHS.getVectorLength());
- else if (isComplexInt())
+ break;
+ case ComplexInt:
+ MakeComplexInt();
setComplexInt(RHS.getComplexIntReal(), RHS.getComplexIntImag());
- else if (isComplexFloat())
+ break;
+ case ComplexFloat:
+ MakeComplexFloat();
setComplexFloat(RHS.getComplexFloatReal(), RHS.getComplexFloatImag());
- else if (isLValue())
- setLValue(RHS.getLValueBase(), RHS.getLValueOffset());
- return *this;
+ break;
+ case LValue:
+ MakeLValue();
+ if (RHS.hasLValuePath())
+ setLValue(RHS.getLValueBase(), RHS.getLValueOffset(), RHS.getLValuePath(),
+ RHS.isLValueOnePastTheEnd(), RHS.getLValueCallIndex());
+ else
+ setLValue(RHS.getLValueBase(), RHS.getLValueOffset(), NoLValuePath(),
+ RHS.getLValueCallIndex());
+ 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;
+ }
}
-void APValue::MakeUninit() {
+void APValue::DestroyDataAndMakeUninit() {
if (Kind == Int)
((APSInt*)(char*)Data)->~APSInt();
else if (Kind == Float)
@@ -73,14 +197,31 @@ void APValue::MakeUninit() {
((ComplexAPSInt*)(char*)Data)->~ComplexAPSInt();
else if (Kind == ComplexFloat)
((ComplexAPFloat*)(char*)Data)->~ComplexAPFloat();
- else if (Kind == LValue) {
+ else if (Kind == LValue)
((LV*)(char*)Data)->~LV();
- }
+ else if (Kind == Array)
+ ((Arr*)(char*)Data)->~Arr();
+ else if (Kind == Struct)
+ ((StructData*)(char*)Data)->~StructData();
+ else if (Kind == Union)
+ ((UnionData*)(char*)Data)->~UnionData();
+ else if (Kind == MemberPointer)
+ ((MemberPointerData*)(char*)Data)->~MemberPointerData();
+ else if (Kind == AddrLabelDiff)
+ ((AddrLabelDiffData*)(char*)Data)->~AddrLabelDiffData();
Kind = Uninitialized;
}
+void APValue::swap(APValue &RHS) {
+ std::swap(Kind, RHS.Kind);
+ char TmpData[MaxSize];
+ memcpy(TmpData, Data, MaxSize);
+ memcpy(Data, RHS.Data, MaxSize);
+ memcpy(RHS.Data, TmpData, MaxSize);
+}
+
void APValue::dump() const {
- print(llvm::errs());
+ dump(llvm::errs());
llvm::errs() << '\n';
}
@@ -92,9 +233,8 @@ static double GetApproxValue(const llvm::APFloat &F) {
return V.convertToDouble();
}
-void APValue::print(raw_ostream &OS) const {
+void APValue::dump(raw_ostream &OS) const {
switch (getKind()) {
- default: llvm_unreachable("Unknown APValue kind!");
case Uninitialized:
OS << "Uninitialized";
return;
@@ -105,9 +245,12 @@ void APValue::print(raw_ostream &OS) const {
OS << "Float: " << GetApproxValue(getFloat());
return;
case Vector:
- OS << "Vector: " << getVectorElt(0);
- for (unsigned i = 1; i != getVectorLength(); ++i)
- OS << ", " << getVectorElt(i);
+ OS << "Vector: ";
+ getVectorElt(0).dump(OS);
+ for (unsigned i = 1; i != getVectorLength(); ++i) {
+ OS << ", ";
+ getVectorElt(i).dump(OS);
+ }
return;
case ComplexInt:
OS << "ComplexInt: " << getComplexIntReal() << ", " << getComplexIntImag();
@@ -115,74 +258,350 @@ void APValue::print(raw_ostream &OS) const {
case ComplexFloat:
OS << "ComplexFloat: " << GetApproxValue(getComplexFloatReal())
<< ", " << GetApproxValue(getComplexFloatImag());
+ return;
case LValue:
OS << "LValue: <todo>";
return;
+ case Array:
+ OS << "Array: ";
+ for (unsigned I = 0, N = getArrayInitializedElts(); I != N; ++I) {
+ getArrayInitializedElt(I).dump(OS);
+ if (I != getArraySize() - 1) OS << ", ";
+ }
+ if (hasArrayFiller()) {
+ OS << getArraySize() - getArrayInitializedElts() << " x ";
+ getArrayFiller().dump(OS);
+ }
+ return;
+ case Struct:
+ OS << "Struct ";
+ if (unsigned N = getStructNumBases()) {
+ OS << " bases: ";
+ getStructBase(0).dump(OS);
+ for (unsigned I = 1; I != N; ++I) {
+ OS << ", ";
+ getStructBase(I).dump(OS);
+ }
+ }
+ if (unsigned N = getStructNumFields()) {
+ OS << " fields: ";
+ getStructField(0).dump(OS);
+ for (unsigned I = 1; I != N; ++I) {
+ OS << ", ";
+ getStructField(I).dump(OS);
+ }
+ }
+ return;
+ case Union:
+ OS << "Union: ";
+ getUnionValue().dump(OS);
+ return;
+ case MemberPointer:
+ OS << "MemberPointer: <todo>";
+ return;
+ case AddrLabelDiff:
+ OS << "AddrLabelDiff: <todo>";
+ return;
}
+ llvm_unreachable("Unknown APValue kind!");
}
-static void WriteShortAPValueToStream(raw_ostream& Out,
- const APValue& V) {
- switch (V.getKind()) {
- default: llvm_unreachable("Unknown APValue kind!");
+void APValue::printPretty(raw_ostream &Out, ASTContext &Ctx, QualType Ty) const{
+ switch (getKind()) {
case APValue::Uninitialized:
- Out << "Uninitialized";
- break;
+ Out << "<uninitialized>";
+ return;
case APValue::Int:
- Out << V.getInt();
- break;
+ if (Ty->isBooleanType())
+ Out << (getInt().getBoolValue() ? "true" : "false");
+ else
+ Out << getInt();
+ return;
case APValue::Float:
- Out << GetApproxValue(V.getFloat());
- break;
- case APValue::Vector:
- Out << '[';
- WriteShortAPValueToStream(Out, V.getVectorElt(0));
- for (unsigned i = 1; i != V.getVectorLength(); ++i) {
+ Out << GetApproxValue(getFloat());
+ return;
+ case APValue::Vector: {
+ Out << '{';
+ QualType ElemTy = Ty->getAs<VectorType>()->getElementType();
+ getVectorElt(0).printPretty(Out, Ctx, ElemTy);
+ for (unsigned i = 1; i != getVectorLength(); ++i) {
Out << ", ";
- WriteShortAPValueToStream(Out, V.getVectorElt(i));
+ getVectorElt(i).printPretty(Out, Ctx, ElemTy);
}
- Out << ']';
- break;
+ Out << '}';
+ return;
+ }
case APValue::ComplexInt:
- Out << V.getComplexIntReal() << "+" << V.getComplexIntImag() << "i";
- break;
+ Out << getComplexIntReal() << "+" << getComplexIntImag() << "i";
+ return;
case APValue::ComplexFloat:
- Out << GetApproxValue(V.getComplexFloatReal()) << "+"
- << GetApproxValue(V.getComplexFloatImag()) << "i";
- break;
- case APValue::LValue:
- Out << "LValue: <todo>";
- break;
+ Out << GetApproxValue(getComplexFloatReal()) << "+"
+ << GetApproxValue(getComplexFloatImag()) << "i";
+ return;
+ case APValue::LValue: {
+ LValueBase Base = getLValueBase();
+ if (!Base) {
+ Out << "0";
+ return;
+ }
+
+ bool IsReference = Ty->isReferenceType();
+ QualType InnerTy
+ = IsReference ? Ty.getNonReferenceType() : Ty->getPointeeType();
+
+ if (!hasLValuePath()) {
+ // No lvalue path: just print the offset.
+ CharUnits O = getLValueOffset();
+ CharUnits S = Ctx.getTypeSizeInChars(InnerTy);
+ if (!O.isZero()) {
+ if (IsReference)
+ Out << "*(";
+ if (O % S) {
+ Out << "(char*)";
+ S = CharUnits::One();
+ }
+ Out << '&';
+ } else if (!IsReference)
+ Out << '&';
+
+ if (const ValueDecl *VD = Base.dyn_cast<const ValueDecl*>())
+ Out << *VD;
+ else
+ Base.get<const Expr*>()->printPretty(Out, Ctx, 0,
+ Ctx.getPrintingPolicy());
+ if (!O.isZero()) {
+ Out << " + " << (O / S);
+ if (IsReference)
+ Out << ')';
+ }
+ return;
+ }
+
+ // We have an lvalue path. Print it out nicely.
+ if (!IsReference)
+ Out << '&';
+ else if (isLValueOnePastTheEnd())
+ Out << "*(&";
+
+ QualType ElemTy;
+ if (const ValueDecl *VD = Base.dyn_cast<const ValueDecl*>()) {
+ Out << *VD;
+ ElemTy = VD->getType();
+ } else {
+ const Expr *E = Base.get<const Expr*>();
+ E->printPretty(Out, Ctx, 0,Ctx.getPrintingPolicy());
+ ElemTy = E->getType();
+ }
+
+ ArrayRef<LValuePathEntry> Path = getLValuePath();
+ const CXXRecordDecl *CastToBase = 0;
+ for (unsigned I = 0, N = Path.size(); I != N; ++I) {
+ if (ElemTy->getAs<RecordType>()) {
+ // The lvalue refers to a class type, so the next path entry is a base
+ // or member.
+ const Decl *BaseOrMember =
+ BaseOrMemberType::getFromOpaqueValue(Path[I].BaseOrMember).getPointer();
+ if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(BaseOrMember)) {
+ CastToBase = RD;
+ ElemTy = Ctx.getRecordType(RD);
+ } else {
+ const ValueDecl *VD = cast<ValueDecl>(BaseOrMember);
+ Out << ".";
+ if (CastToBase)
+ Out << *CastToBase << "::";
+ Out << *VD;
+ ElemTy = VD->getType();
+ }
+ } else {
+ // The lvalue must refer to an array.
+ Out << '[' << Path[I].ArrayIndex << ']';
+ ElemTy = Ctx.getAsArrayType(ElemTy)->getElementType();
+ }
+ }
+
+ // Handle formatting of one-past-the-end lvalues.
+ if (isLValueOnePastTheEnd()) {
+ // FIXME: If CastToBase is non-0, we should prefix the output with
+ // "(CastToBase*)".
+ Out << " + 1";
+ if (IsReference)
+ Out << ')';
+ }
+ return;
}
+ case APValue::Array: {
+ const ArrayType *AT = Ctx.getAsArrayType(Ty);
+ QualType ElemTy = AT->getElementType();
+ Out << '{';
+ if (unsigned N = getArrayInitializedElts()) {
+ getArrayInitializedElt(0).printPretty(Out, Ctx, ElemTy);
+ for (unsigned I = 1; I != N; ++I) {
+ Out << ", ";
+ if (I == 10) {
+ // Avoid printing out the entire contents of large arrays.
+ Out << "...";
+ break;
+ }
+ getArrayInitializedElt(I).printPretty(Out, Ctx, ElemTy);
+ }
+ }
+ Out << '}';
+ return;
+ }
+ case APValue::Struct: {
+ Out << '{';
+ const RecordDecl *RD = Ty->getAs<RecordType>()->getDecl();
+ bool First = true;
+ if (unsigned N = getStructNumBases()) {
+ const CXXRecordDecl *CD = cast<CXXRecordDecl>(RD);
+ CXXRecordDecl::base_class_const_iterator BI = CD->bases_begin();
+ for (unsigned I = 0; I != N; ++I, ++BI) {
+ assert(BI != CD->bases_end());
+ if (!First)
+ Out << ", ";
+ getStructBase(I).printPretty(Out, Ctx, BI->getType());
+ First = false;
+ }
+ }
+ for (RecordDecl::field_iterator FI = RD->field_begin();
+ FI != RD->field_end(); ++FI) {
+ if (!First)
+ Out << ", ";
+ if ((*FI)->isUnnamedBitfield()) continue;
+ getStructField((*FI)->getFieldIndex()).
+ printPretty(Out, Ctx, (*FI)->getType());
+ First = false;
+ }
+ Out << '}';
+ return;
+ }
+ case APValue::Union:
+ Out << '{';
+ if (const FieldDecl *FD = getUnionField()) {
+ Out << "." << *FD << " = ";
+ getUnionValue().printPretty(Out, Ctx, FD->getType());
+ }
+ Out << '}';
+ return;
+ case APValue::MemberPointer:
+ // FIXME: This is not enough to unambiguously identify the member in a
+ // multiple-inheritance scenario.
+ if (const ValueDecl *VD = getMemberPointerDecl()) {
+ Out << '&' << *cast<CXXRecordDecl>(VD->getDeclContext()) << "::" << *VD;
+ return;
+ }
+ Out << "0";
+ return;
+ case APValue::AddrLabelDiff:
+ Out << "&&" << getAddrLabelDiffLHS()->getLabel()->getName();
+ Out << " - ";
+ Out << "&&" << getAddrLabelDiffRHS()->getLabel()->getName();
+ return;
+ }
+ llvm_unreachable("Unknown APValue kind!");
+}
+
+std::string APValue::getAsString(ASTContext &Ctx, QualType Ty) const {
+ std::string Result;
+ llvm::raw_string_ostream Out(Result);
+ printPretty(Out, Ctx, Ty);
+ Out.flush();
+ return Result;
+}
+
+const APValue::LValueBase APValue::getLValueBase() const {
+ assert(isLValue() && "Invalid accessor");
+ return ((const LV*)(const void*)Data)->BaseAndIsOnePastTheEnd.getPointer();
+}
+
+bool APValue::isLValueOnePastTheEnd() const {
+ assert(isLValue() && "Invalid accessor");
+ return ((const LV*)(const void*)Data)->BaseAndIsOnePastTheEnd.getInt();
}
-const DiagnosticBuilder &clang::operator<<(const DiagnosticBuilder &DB,
- const APValue &V) {
- llvm::SmallString<64> Buffer;
- llvm::raw_svector_ostream Out(Buffer);
- WriteShortAPValueToStream(Out, V);
- return DB << Out.str();
+CharUnits &APValue::getLValueOffset() {
+ assert(isLValue() && "Invalid accessor");
+ return ((LV*)(void*)Data)->Offset;
}
-const Expr* APValue::getLValueBase() const {
+bool APValue::hasLValuePath() const {
assert(isLValue() && "Invalid accessor");
- return ((const LV*)(const void*)Data)->Base;
+ return ((const LV*)(const char*)Data)->hasPath();
}
-CharUnits APValue::getLValueOffset() const {
- assert(isLValue() && "Invalid accessor");
- return ((const LV*)(const void*)Data)->Offset;
+ArrayRef<APValue::LValuePathEntry> APValue::getLValuePath() const {
+ assert(isLValue() && hasLValuePath() && "Invalid accessor");
+ const LV &LVal = *((const LV*)(const char*)Data);
+ return ArrayRef<LValuePathEntry>(LVal.getPath(), LVal.PathLength);
}
-void APValue::setLValue(const Expr *B, const CharUnits &O) {
+unsigned APValue::getLValueCallIndex() const {
assert(isLValue() && "Invalid accessor");
- ((LV*)(char*)Data)->Base = B;
- ((LV*)(char*)Data)->Offset = O;
+ return ((const LV*)(const char*)Data)->CallIndex;
+}
+
+void APValue::setLValue(LValueBase B, const CharUnits &O, NoLValuePath,
+ unsigned CallIndex) {
+ assert(isLValue() && "Invalid accessor");
+ LV &LVal = *((LV*)(char*)Data);
+ LVal.BaseAndIsOnePastTheEnd.setPointer(B);
+ LVal.BaseAndIsOnePastTheEnd.setInt(false);
+ LVal.Offset = O;
+ LVal.CallIndex = CallIndex;
+ LVal.resizePath((unsigned)-1);
+}
+
+void APValue::setLValue(LValueBase B, const CharUnits &O,
+ ArrayRef<LValuePathEntry> Path, bool IsOnePastTheEnd,
+ unsigned CallIndex) {
+ assert(isLValue() && "Invalid accessor");
+ LV &LVal = *((LV*)(char*)Data);
+ LVal.BaseAndIsOnePastTheEnd.setPointer(B);
+ LVal.BaseAndIsOnePastTheEnd.setInt(IsOnePastTheEnd);
+ LVal.Offset = O;
+ LVal.CallIndex = CallIndex;
+ LVal.resizePath(Path.size());
+ memcpy(LVal.getPath(), Path.data(), Path.size() * sizeof(LValuePathEntry));
+}
+
+const ValueDecl *APValue::getMemberPointerDecl() const {
+ assert(isMemberPointer() && "Invalid accessor");
+ const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
+ return MPD.MemberAndIsDerivedMember.getPointer();
+}
+
+bool APValue::isMemberPointerToDerivedMember() const {
+ assert(isMemberPointer() && "Invalid accessor");
+ const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
+ return MPD.MemberAndIsDerivedMember.getInt();
+}
+
+ArrayRef<const CXXRecordDecl*> APValue::getMemberPointerPath() const {
+ assert(isMemberPointer() && "Invalid accessor");
+ const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
+ return ArrayRef<const CXXRecordDecl*>(MPD.getPath(), MPD.PathLength);
}
void APValue::MakeLValue() {
assert(isUninit() && "Bad state change");
+ assert(sizeof(LV) <= MaxSize && "LV too big");
new ((void*)(char*)Data) LV();
Kind = LValue;
}
+void APValue::MakeArray(unsigned InitElts, unsigned Size) {
+ assert(isUninit() && "Bad state change");
+ new ((void*)(char*)Data) Arr(InitElts, Size);
+ Kind = Array;
+}
+
+void APValue::MakeMemberPointer(const ValueDecl *Member, bool IsDerivedMember,
+ ArrayRef<const CXXRecordDecl*> Path) {
+ assert(isUninit() && "Bad state change");
+ MemberPointerData *MPD = new ((void*)(char*)Data) MemberPointerData;
+ Kind = MemberPointer;
+ MPD->MemberAndIsDerivedMember.setPointer(Member);
+ MPD->MemberAndIsDerivedMember.setInt(IsDerivedMember);
+ MPD->resizePath(Path.size());
+ memcpy(MPD->getPath(), Path.data(), Path.size()*sizeof(const CXXRecordDecl*));
+}
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