diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Frontend/PCHReaderStmt.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Frontend/PCHReaderStmt.cpp | 1727 |
1 files changed, 1727 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Frontend/PCHReaderStmt.cpp b/contrib/llvm/tools/clang/lib/Frontend/PCHReaderStmt.cpp new file mode 100644 index 0000000..ace62d7 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Frontend/PCHReaderStmt.cpp @@ -0,0 +1,1727 @@ +//===--- PCHReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Statement/expression deserialization. This implements the +// PCHReader::ReadStmt method. +// +//===----------------------------------------------------------------------===// + +#include "clang/Frontend/PCHReader.h" +#include "clang/AST/DeclCXX.h" +#include "clang/AST/StmtVisitor.h" +using namespace clang; + +namespace clang { + + class PCHStmtReader : public StmtVisitor<PCHStmtReader> { + PCHReader &Reader; + const PCHReader::RecordData &Record; + unsigned &Idx; + + public: + PCHStmtReader(PCHReader &Reader, const PCHReader::RecordData &Record, + unsigned &Idx) + : Reader(Reader), Record(Record), Idx(Idx) { } + + /// \brief The number of record fields required for the Stmt class + /// itself. + static const unsigned NumStmtFields = 0; + + /// \brief The number of record fields required for the Expr class + /// itself. + static const unsigned NumExprFields = NumStmtFields + 3; + + /// \brief Read and initialize a ExplicitTemplateArgumentList structure. + void ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList, + unsigned NumTemplateArgs); + + void VisitStmt(Stmt *S); + void VisitNullStmt(NullStmt *S); + void VisitCompoundStmt(CompoundStmt *S); + void VisitSwitchCase(SwitchCase *S); + void VisitCaseStmt(CaseStmt *S); + void VisitDefaultStmt(DefaultStmt *S); + void VisitLabelStmt(LabelStmt *S); + void VisitIfStmt(IfStmt *S); + void VisitSwitchStmt(SwitchStmt *S); + void VisitWhileStmt(WhileStmt *S); + void VisitDoStmt(DoStmt *S); + void VisitForStmt(ForStmt *S); + void VisitGotoStmt(GotoStmt *S); + void VisitIndirectGotoStmt(IndirectGotoStmt *S); + void VisitContinueStmt(ContinueStmt *S); + void VisitBreakStmt(BreakStmt *S); + void VisitReturnStmt(ReturnStmt *S); + void VisitDeclStmt(DeclStmt *S); + void VisitAsmStmt(AsmStmt *S); + void VisitExpr(Expr *E); + void VisitPredefinedExpr(PredefinedExpr *E); + void VisitDeclRefExpr(DeclRefExpr *E); + void VisitIntegerLiteral(IntegerLiteral *E); + void VisitFloatingLiteral(FloatingLiteral *E); + void VisitImaginaryLiteral(ImaginaryLiteral *E); + void VisitStringLiteral(StringLiteral *E); + void VisitCharacterLiteral(CharacterLiteral *E); + void VisitParenExpr(ParenExpr *E); + void VisitParenListExpr(ParenListExpr *E); + void VisitUnaryOperator(UnaryOperator *E); + void VisitOffsetOfExpr(OffsetOfExpr *E); + void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E); + void VisitArraySubscriptExpr(ArraySubscriptExpr *E); + void VisitCallExpr(CallExpr *E); + void VisitMemberExpr(MemberExpr *E); + void VisitCastExpr(CastExpr *E); + void VisitBinaryOperator(BinaryOperator *E); + void VisitCompoundAssignOperator(CompoundAssignOperator *E); + void VisitConditionalOperator(ConditionalOperator *E); + void VisitImplicitCastExpr(ImplicitCastExpr *E); + void VisitExplicitCastExpr(ExplicitCastExpr *E); + void VisitCStyleCastExpr(CStyleCastExpr *E); + void VisitCompoundLiteralExpr(CompoundLiteralExpr *E); + void VisitExtVectorElementExpr(ExtVectorElementExpr *E); + void VisitInitListExpr(InitListExpr *E); + void VisitDesignatedInitExpr(DesignatedInitExpr *E); + void VisitImplicitValueInitExpr(ImplicitValueInitExpr *E); + void VisitVAArgExpr(VAArgExpr *E); + void VisitAddrLabelExpr(AddrLabelExpr *E); + void VisitStmtExpr(StmtExpr *E); + void VisitTypesCompatibleExpr(TypesCompatibleExpr *E); + void VisitChooseExpr(ChooseExpr *E); + void VisitGNUNullExpr(GNUNullExpr *E); + void VisitShuffleVectorExpr(ShuffleVectorExpr *E); + void VisitBlockExpr(BlockExpr *E); + void VisitBlockDeclRefExpr(BlockDeclRefExpr *E); + void VisitObjCStringLiteral(ObjCStringLiteral *E); + void VisitObjCEncodeExpr(ObjCEncodeExpr *E); + void VisitObjCSelectorExpr(ObjCSelectorExpr *E); + void VisitObjCProtocolExpr(ObjCProtocolExpr *E); + void VisitObjCIvarRefExpr(ObjCIvarRefExpr *E); + void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E); + void VisitObjCImplicitSetterGetterRefExpr( + ObjCImplicitSetterGetterRefExpr *E); + void VisitObjCMessageExpr(ObjCMessageExpr *E); + void VisitObjCSuperExpr(ObjCSuperExpr *E); + void VisitObjCIsaExpr(ObjCIsaExpr *E); + + void VisitObjCForCollectionStmt(ObjCForCollectionStmt *); + void VisitObjCAtCatchStmt(ObjCAtCatchStmt *); + void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *); + void VisitObjCAtTryStmt(ObjCAtTryStmt *); + void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *); + void VisitObjCAtThrowStmt(ObjCAtThrowStmt *); + + void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E); + void VisitCXXConstructExpr(CXXConstructExpr *E); + void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); + void VisitCXXNamedCastExpr(CXXNamedCastExpr *E); + void VisitCXXStaticCastExpr(CXXStaticCastExpr *E); + void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E); + void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E); + void VisitCXXConstCastExpr(CXXConstCastExpr *E); + void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E); + void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); + void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); + void VisitCXXTypeidExpr(CXXTypeidExpr *E); + void VisitCXXThisExpr(CXXThisExpr *E); + void VisitCXXThrowExpr(CXXThrowExpr *E); + void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); + void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); + void VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E); + + void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); + void VisitCXXNewExpr(CXXNewExpr *E); + void VisitCXXDeleteExpr(CXXDeleteExpr *E); + void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); + + void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E); + + void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); + void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); + void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); + + void VisitOverloadExpr(OverloadExpr *E); + void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); + void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); + + void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E); + }; +} + +void PCHStmtReader:: +ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList, + unsigned NumTemplateArgs) { + TemplateArgumentListInfo ArgInfo; + ArgInfo.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx)); + ArgInfo.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx)); + for (unsigned i = 0; i != NumTemplateArgs; ++i) + ArgInfo.addArgument(Reader.ReadTemplateArgumentLoc(Record, Idx)); + ArgList.initializeFrom(ArgInfo); +} + +void PCHStmtReader::VisitStmt(Stmt *S) { + assert(Idx == NumStmtFields && "Incorrect statement field count"); +} + +void PCHStmtReader::VisitNullStmt(NullStmt *S) { + VisitStmt(S); + S->setSemiLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCompoundStmt(CompoundStmt *S) { + VisitStmt(S); + llvm::SmallVector<Stmt *, 16> Stmts; + unsigned NumStmts = Record[Idx++]; + while (NumStmts--) + Stmts.push_back(Reader.ReadSubStmt()); + S->setStmts(*Reader.getContext(), Stmts.data(), Stmts.size()); + S->setLBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitSwitchCase(SwitchCase *S) { + VisitStmt(S); + Reader.RecordSwitchCaseID(S, Record[Idx++]); +} + +void PCHStmtReader::VisitCaseStmt(CaseStmt *S) { + VisitSwitchCase(S); + S->setLHS(Reader.ReadSubExpr()); + S->setRHS(Reader.ReadSubExpr()); + S->setSubStmt(Reader.ReadSubStmt()); + S->setCaseLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setEllipsisLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitDefaultStmt(DefaultStmt *S) { + VisitSwitchCase(S); + S->setSubStmt(Reader.ReadSubStmt()); + S->setDefaultLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitLabelStmt(LabelStmt *S) { + VisitStmt(S); + S->setID(Reader.GetIdentifierInfo(Record, Idx)); + S->setSubStmt(Reader.ReadSubStmt()); + S->setIdentLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + Reader.RecordLabelStmt(S, Record[Idx++]); +} + +void PCHStmtReader::VisitIfStmt(IfStmt *S) { + VisitStmt(S); + S->setConditionVariable(*Reader.getContext(), + cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); + S->setCond(Reader.ReadSubExpr()); + S->setThen(Reader.ReadSubStmt()); + S->setElse(Reader.ReadSubStmt()); + S->setIfLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setElseLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitSwitchStmt(SwitchStmt *S) { + VisitStmt(S); + S->setConditionVariable(*Reader.getContext(), + cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); + S->setCond(Reader.ReadSubExpr()); + S->setBody(Reader.ReadSubStmt()); + S->setSwitchLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + SwitchCase *PrevSC = 0; + for (unsigned N = Record.size(); Idx != N; ++Idx) { + SwitchCase *SC = Reader.getSwitchCaseWithID(Record[Idx]); + if (PrevSC) + PrevSC->setNextSwitchCase(SC); + else + S->setSwitchCaseList(SC); + + // Retain this SwitchCase, since SwitchStmt::addSwitchCase() would + // normally retain it (but we aren't calling addSwitchCase). + SC->Retain(); + PrevSC = SC; + } +} + +void PCHStmtReader::VisitWhileStmt(WhileStmt *S) { + VisitStmt(S); + S->setConditionVariable(*Reader.getContext(), + cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); + S->setCond(Reader.ReadSubExpr()); + S->setBody(Reader.ReadSubStmt()); + S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitDoStmt(DoStmt *S) { + VisitStmt(S); + S->setCond(Reader.ReadSubExpr()); + S->setBody(Reader.ReadSubStmt()); + S->setDoLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitForStmt(ForStmt *S) { + VisitStmt(S); + S->setInit(Reader.ReadSubStmt()); + S->setCond(Reader.ReadSubExpr()); + S->setConditionVariable(*Reader.getContext(), + cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); + S->setInc(Reader.ReadSubExpr()); + S->setBody(Reader.ReadSubStmt()); + S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitGotoStmt(GotoStmt *S) { + VisitStmt(S); + Reader.SetLabelOf(S, Record[Idx++]); + S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitIndirectGotoStmt(IndirectGotoStmt *S) { + VisitStmt(S); + S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setTarget(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitContinueStmt(ContinueStmt *S) { + VisitStmt(S); + S->setContinueLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitBreakStmt(BreakStmt *S) { + VisitStmt(S); + S->setBreakLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitReturnStmt(ReturnStmt *S) { + VisitStmt(S); + S->setRetValue(Reader.ReadSubExpr()); + S->setReturnLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setNRVOCandidate(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); +} + +void PCHStmtReader::VisitDeclStmt(DeclStmt *S) { + VisitStmt(S); + S->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + + if (Idx + 1 == Record.size()) { + // Single declaration + S->setDeclGroup(DeclGroupRef(Reader.GetDecl(Record[Idx++]))); + } else { + llvm::SmallVector<Decl *, 16> Decls; + Decls.reserve(Record.size() - Idx); + for (unsigned N = Record.size(); Idx != N; ++Idx) + Decls.push_back(Reader.GetDecl(Record[Idx])); + S->setDeclGroup(DeclGroupRef(DeclGroup::Create(*Reader.getContext(), + Decls.data(), + Decls.size()))); + } +} + +void PCHStmtReader::VisitAsmStmt(AsmStmt *S) { + VisitStmt(S); + unsigned NumOutputs = Record[Idx++]; + unsigned NumInputs = Record[Idx++]; + unsigned NumClobbers = Record[Idx++]; + S->setAsmLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setVolatile(Record[Idx++]); + S->setSimple(Record[Idx++]); + S->setMSAsm(Record[Idx++]); + + S->setAsmString(cast_or_null<StringLiteral>(Reader.ReadSubStmt())); + + // Outputs and inputs + llvm::SmallVector<IdentifierInfo *, 16> Names; + llvm::SmallVector<StringLiteral*, 16> Constraints; + llvm::SmallVector<Stmt*, 16> Exprs; + for (unsigned I = 0, N = NumOutputs + NumInputs; I != N; ++I) { + Names.push_back(Reader.GetIdentifierInfo(Record, Idx)); + Constraints.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt())); + Exprs.push_back(Reader.ReadSubStmt()); + } + + // Constraints + llvm::SmallVector<StringLiteral*, 16> Clobbers; + for (unsigned I = 0; I != NumClobbers; ++I) + Clobbers.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt())); + + S->setOutputsAndInputsAndClobbers(*Reader.getContext(), + Names.data(), Constraints.data(), + Exprs.data(), NumOutputs, NumInputs, + Clobbers.data(), NumClobbers); +} + +void PCHStmtReader::VisitExpr(Expr *E) { + VisitStmt(E); + E->setType(Reader.GetType(Record[Idx++])); + E->setTypeDependent(Record[Idx++]); + E->setValueDependent(Record[Idx++]); + assert(Idx == NumExprFields && "Incorrect expression field count"); +} + +void PCHStmtReader::VisitPredefinedExpr(PredefinedExpr *E) { + VisitExpr(E); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setIdentType((PredefinedExpr::IdentType)Record[Idx++]); +} + +void PCHStmtReader::VisitDeclRefExpr(DeclRefExpr *E) { + VisitExpr(E); + + bool HasQualifier = Record[Idx++]; + unsigned NumTemplateArgs = Record[Idx++]; + + E->DecoratedD.setInt((HasQualifier? DeclRefExpr::HasQualifierFlag : 0) | + (NumTemplateArgs ? DeclRefExpr::HasExplicitTemplateArgumentListFlag : 0)); + + if (HasQualifier) { + E->getNameQualifier()->NNS = Reader.ReadNestedNameSpecifier(Record, Idx); + E->getNameQualifier()->Range = Reader.ReadSourceRange(Record, Idx); + } + + if (NumTemplateArgs) + ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(), + NumTemplateArgs); + + E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++]))); + E->setLocation(Reader.ReadSourceLocation(Record, Idx)); +} + +void PCHStmtReader::VisitIntegerLiteral(IntegerLiteral *E) { + VisitExpr(E); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setValue(Reader.ReadAPInt(Record, Idx)); +} + +void PCHStmtReader::VisitFloatingLiteral(FloatingLiteral *E) { + VisitExpr(E); + E->setValue(Reader.ReadAPFloat(Record, Idx)); + E->setExact(Record[Idx++]); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitImaginaryLiteral(ImaginaryLiteral *E) { + VisitExpr(E); + E->setSubExpr(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitStringLiteral(StringLiteral *E) { + VisitExpr(E); + unsigned Len = Record[Idx++]; + assert(Record[Idx] == E->getNumConcatenated() && + "Wrong number of concatenated tokens!"); + ++Idx; + E->setWide(Record[Idx++]); + + // Read string data + llvm::SmallString<16> Str(&Record[Idx], &Record[Idx] + Len); + E->setString(*Reader.getContext(), Str.str()); + Idx += Len; + + // Read source locations + for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) + E->setStrTokenLoc(I, SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCharacterLiteral(CharacterLiteral *E) { + VisitExpr(E); + E->setValue(Record[Idx++]); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setWide(Record[Idx++]); +} + +void PCHStmtReader::VisitParenExpr(ParenExpr *E) { + VisitExpr(E); + E->setLParen(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParen(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setSubExpr(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitParenListExpr(ParenListExpr *E) { + VisitExpr(E); + unsigned NumExprs = Record[Idx++]; + E->Exprs = new (*Reader.getContext()) Stmt*[NumExprs]; + for (unsigned i = 0; i != NumExprs; ++i) + E->Exprs[i] = Reader.ReadSubStmt(); + E->NumExprs = NumExprs; + E->LParenLoc = Reader.ReadSourceLocation(Record, Idx); + E->RParenLoc = Reader.ReadSourceLocation(Record, Idx); +} + +void PCHStmtReader::VisitUnaryOperator(UnaryOperator *E) { + VisitExpr(E); + E->setSubExpr(Reader.ReadSubExpr()); + E->setOpcode((UnaryOperator::Opcode)Record[Idx++]); + E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitOffsetOfExpr(OffsetOfExpr *E) { + typedef OffsetOfExpr::OffsetOfNode Node; + VisitExpr(E); + assert(E->getNumComponents() == Record[Idx]); + ++Idx; + assert(E->getNumExpressions() == Record[Idx]); + ++Idx; + E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setTypeSourceInfo(Reader.GetTypeSourceInfo(Record, Idx)); + for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { + Node::Kind Kind = static_cast<Node::Kind>(Record[Idx++]); + SourceLocation Start = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation End = SourceLocation::getFromRawEncoding(Record[Idx++]); + switch (Kind) { + case Node::Array: + E->setComponent(I, Node(Start, Record[Idx++], End)); + break; + + case Node::Field: + E->setComponent(I, + Node(Start, + dyn_cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++])), + End)); + break; + + case Node::Identifier: + E->setComponent(I, Node(Start, Reader.GetIdentifier(Record[Idx++]), End)); + break; + + case Node::Base: + // FIXME: Implement this! + llvm_unreachable("PCH for offsetof(base-specifier) not implemented"); + break; + } + } + + for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) + E->setIndexExpr(I, Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { + VisitExpr(E); + E->setSizeof(Record[Idx++]); + if (Record[Idx] == 0) { + E->setArgument(Reader.ReadSubExpr()); + ++Idx; + } else { + E->setArgument(Reader.GetTypeSourceInfo(Record, Idx)); + } + E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { + VisitExpr(E); + E->setLHS(Reader.ReadSubExpr()); + E->setRHS(Reader.ReadSubExpr()); + E->setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCallExpr(CallExpr *E) { + VisitExpr(E); + E->setNumArgs(*Reader.getContext(), Record[Idx++]); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setCallee(Reader.ReadSubExpr()); + for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) + E->setArg(I, Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitMemberExpr(MemberExpr *E) { + // Don't call VisitExpr, this is fully initialized at creation. + assert(E->getStmtClass() == Stmt::MemberExprClass && + "It's a subclass, we must advance Idx!"); +} + +void PCHStmtReader::VisitObjCIsaExpr(ObjCIsaExpr *E) { + VisitExpr(E); + E->setBase(Reader.ReadSubExpr()); + E->setIsaMemberLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setArrow(Record[Idx++]); +} + +void PCHStmtReader::VisitCastExpr(CastExpr *E) { + VisitExpr(E); + E->setSubExpr(Reader.ReadSubExpr()); + E->setCastKind((CastExpr::CastKind)Record[Idx++]); + CXXBaseSpecifierArray &BasePath = E->getBasePath(); + unsigned NumBaseSpecs = Record[Idx++]; + while (NumBaseSpecs--) { + // FIXME: These gets leaked. + CXXBaseSpecifier *BaseSpec = new (*Reader.getContext()) CXXBaseSpecifier; + *BaseSpec = Reader.ReadCXXBaseSpecifier(Record, Idx); + BasePath.push_back(BaseSpec); + } +} + +void PCHStmtReader::VisitBinaryOperator(BinaryOperator *E) { + VisitExpr(E); + E->setLHS(Reader.ReadSubExpr()); + E->setRHS(Reader.ReadSubExpr()); + E->setOpcode((BinaryOperator::Opcode)Record[Idx++]); + E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCompoundAssignOperator(CompoundAssignOperator *E) { + VisitBinaryOperator(E); + E->setComputationLHSType(Reader.GetType(Record[Idx++])); + E->setComputationResultType(Reader.GetType(Record[Idx++])); +} + +void PCHStmtReader::VisitConditionalOperator(ConditionalOperator *E) { + VisitExpr(E); + E->setCond(Reader.ReadSubExpr()); + E->setLHS(Reader.ReadSubExpr()); + E->setRHS(Reader.ReadSubExpr()); + E->setQuestionLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitImplicitCastExpr(ImplicitCastExpr *E) { + VisitCastExpr(E); + E->setLvalueCast(Record[Idx++]); +} + +void PCHStmtReader::VisitExplicitCastExpr(ExplicitCastExpr *E) { + VisitCastExpr(E); + E->setTypeInfoAsWritten(Reader.GetTypeSourceInfo(Record, Idx)); +} + +void PCHStmtReader::VisitCStyleCastExpr(CStyleCastExpr *E) { + VisitExplicitCastExpr(E); + E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { + VisitExpr(E); + E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setTypeSourceInfo(Reader.GetTypeSourceInfo(Record, Idx)); + E->setInitializer(Reader.ReadSubExpr()); + E->setFileScope(Record[Idx++]); +} + +void PCHStmtReader::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { + VisitExpr(E); + E->setBase(Reader.ReadSubExpr()); + E->setAccessor(Reader.GetIdentifierInfo(Record, Idx)); + E->setAccessorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitInitListExpr(InitListExpr *E) { + VisitExpr(E); + unsigned NumInits = Record[Idx++]; + E->reserveInits(*Reader.getContext(), NumInits); + for (unsigned I = 0; I != NumInits; ++I) + E->updateInit(*Reader.getContext(), I, Reader.ReadSubExpr()); + E->setSyntacticForm(cast_or_null<InitListExpr>(Reader.ReadSubStmt())); + E->setLBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setInitializedFieldInUnion( + cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++]))); + E->sawArrayRangeDesignator(Record[Idx++]); +} + +void PCHStmtReader::VisitDesignatedInitExpr(DesignatedInitExpr *E) { + typedef DesignatedInitExpr::Designator Designator; + + VisitExpr(E); + unsigned NumSubExprs = Record[Idx++]; + assert(NumSubExprs == E->getNumSubExprs() && "Wrong number of subexprs"); + for (unsigned I = 0; I != NumSubExprs; ++I) + E->setSubExpr(I, Reader.ReadSubExpr()); + E->setEqualOrColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setGNUSyntax(Record[Idx++]); + + llvm::SmallVector<Designator, 4> Designators; + while (Idx < Record.size()) { + switch ((pch::DesignatorTypes)Record[Idx++]) { + case pch::DESIG_FIELD_DECL: { + FieldDecl *Field = cast<FieldDecl>(Reader.GetDecl(Record[Idx++])); + SourceLocation DotLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation FieldLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + Designators.push_back(Designator(Field->getIdentifier(), DotLoc, + FieldLoc)); + Designators.back().setField(Field); + break; + } + + case pch::DESIG_FIELD_NAME: { + const IdentifierInfo *Name = Reader.GetIdentifierInfo(Record, Idx); + SourceLocation DotLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation FieldLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + Designators.push_back(Designator(Name, DotLoc, FieldLoc)); + break; + } + + case pch::DESIG_ARRAY: { + unsigned Index = Record[Idx++]; + SourceLocation LBracketLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation RBracketLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + Designators.push_back(Designator(Index, LBracketLoc, RBracketLoc)); + break; + } + + case pch::DESIG_ARRAY_RANGE: { + unsigned Index = Record[Idx++]; + SourceLocation LBracketLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation EllipsisLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + SourceLocation RBracketLoc + = SourceLocation::getFromRawEncoding(Record[Idx++]); + Designators.push_back(Designator(Index, LBracketLoc, EllipsisLoc, + RBracketLoc)); + break; + } + } + } + E->setDesignators(*Reader.getContext(), + Designators.data(), Designators.size()); +} + +void PCHStmtReader::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { + VisitExpr(E); +} + +void PCHStmtReader::VisitVAArgExpr(VAArgExpr *E) { + VisitExpr(E); + E->setSubExpr(Reader.ReadSubExpr()); + E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) { + VisitExpr(E); + E->setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + Reader.SetLabelOf(E, Record[Idx++]); +} + +void PCHStmtReader::VisitStmtExpr(StmtExpr *E) { + VisitExpr(E); + E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setSubStmt(cast_or_null<CompoundStmt>(Reader.ReadSubStmt())); +} + +void PCHStmtReader::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) { + VisitExpr(E); + E->setArgType1(Reader.GetType(Record[Idx++])); + E->setArgType2(Reader.GetType(Record[Idx++])); + E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitChooseExpr(ChooseExpr *E) { + VisitExpr(E); + E->setCond(Reader.ReadSubExpr()); + E->setLHS(Reader.ReadSubExpr()); + E->setRHS(Reader.ReadSubExpr()); + E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitGNUNullExpr(GNUNullExpr *E) { + VisitExpr(E); + E->setTokenLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { + VisitExpr(E); + llvm::SmallVector<Expr *, 16> Exprs; + unsigned NumExprs = Record[Idx++]; + while (NumExprs--) + Exprs.push_back(Reader.ReadSubExpr()); + E->setExprs(*Reader.getContext(), Exprs.data(), Exprs.size()); + E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitBlockExpr(BlockExpr *E) { + VisitExpr(E); + E->setBlockDecl(cast_or_null<BlockDecl>(Reader.GetDecl(Record[Idx++]))); + E->setHasBlockDeclRefExprs(Record[Idx++]); +} + +void PCHStmtReader::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { + VisitExpr(E); + E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++]))); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setByRef(Record[Idx++]); + E->setConstQualAdded(Record[Idx++]); + E->setCopyConstructorExpr(Reader.ReadSubExpr()); +} + +//===----------------------------------------------------------------------===// +// Objective-C Expressions and Statements + +void PCHStmtReader::VisitObjCStringLiteral(ObjCStringLiteral *E) { + VisitExpr(E); + E->setString(cast<StringLiteral>(Reader.ReadSubStmt())); + E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { + VisitExpr(E); + E->setEncodedTypeSourceInfo(Reader.GetTypeSourceInfo(Record, Idx)); + E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { + VisitExpr(E); + E->setSelector(Reader.GetSelector(Record, Idx)); + E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { + VisitExpr(E); + E->setProtocol(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++]))); + E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { + VisitExpr(E); + E->setDecl(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++]))); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setBase(Reader.ReadSubExpr()); + E->setIsArrow(Record[Idx++]); + E->setIsFreeIvar(Record[Idx++]); +} + +void PCHStmtReader::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { + VisitExpr(E); + E->setProperty(cast<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++]))); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setBase(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitObjCImplicitSetterGetterRefExpr( + ObjCImplicitSetterGetterRefExpr *E) { + VisitExpr(E); + E->setGetterMethod( + cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++]))); + E->setSetterMethod( + cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++]))); + E->setInterfaceDecl( + cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++]))); + E->setBase(Reader.ReadSubExpr()); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCMessageExpr(ObjCMessageExpr *E) { + VisitExpr(E); + assert(Record[Idx] == E->getNumArgs()); + ++Idx; + ObjCMessageExpr::ReceiverKind Kind + = static_cast<ObjCMessageExpr::ReceiverKind>(Record[Idx++]); + switch (Kind) { + case ObjCMessageExpr::Instance: + E->setInstanceReceiver(Reader.ReadSubExpr()); + break; + + case ObjCMessageExpr::Class: + E->setClassReceiver(Reader.GetTypeSourceInfo(Record, Idx)); + break; + + case ObjCMessageExpr::SuperClass: + case ObjCMessageExpr::SuperInstance: { + QualType T = Reader.GetType(Record[Idx++]); + SourceLocation SuperLoc = SourceLocation::getFromRawEncoding(Record[Idx++]); + E->setSuper(SuperLoc, T, Kind == ObjCMessageExpr::SuperInstance); + break; + } + } + + assert(Kind == E->getReceiverKind()); + + if (Record[Idx++]) + E->setMethodDecl(cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++]))); + else + E->setSelector(Reader.GetSelector(Record, Idx)); + + E->setLeftLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRightLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + + for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) + E->setArg(I, Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitObjCSuperExpr(ObjCSuperExpr *E) { + VisitExpr(E); + E->setLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { + VisitStmt(S); + S->setElement(Reader.ReadSubStmt()); + S->setCollection(Reader.ReadSubExpr()); + S->setBody(Reader.ReadSubStmt()); + S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { + VisitStmt(S); + S->setCatchBody(Reader.ReadSubStmt()); + S->setCatchParamDecl(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]))); + S->setAtCatchLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { + VisitStmt(S); + S->setFinallyBody(Reader.ReadSubStmt()); + S->setAtFinallyLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { + VisitStmt(S); + assert(Record[Idx] == S->getNumCatchStmts()); + ++Idx; + bool HasFinally = Record[Idx++]; + S->setTryBody(Reader.ReadSubStmt()); + for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) + S->setCatchStmt(I, cast_or_null<ObjCAtCatchStmt>(Reader.ReadSubStmt())); + + if (HasFinally) + S->setFinallyStmt(Reader.ReadSubStmt()); + S->setAtTryLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { + VisitStmt(S); + S->setSynchExpr(Reader.ReadSubStmt()); + S->setSynchBody(Reader.ReadSubStmt()); + S->setAtSynchronizedLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { + VisitStmt(S); + S->setThrowExpr(Reader.ReadSubStmt()); + S->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +//===----------------------------------------------------------------------===// +// C++ Expressions and Statements + +void PCHStmtReader::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { + VisitCallExpr(E); + E->setOperator((OverloadedOperatorKind)Record[Idx++]); +} + +void PCHStmtReader::VisitCXXConstructExpr(CXXConstructExpr *E) { + VisitExpr(E); + E->NumArgs = Record[Idx++]; + if (E->NumArgs) + E->Args = new (*Reader.getContext()) Stmt*[E->NumArgs]; + for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) + E->setArg(I, Reader.ReadSubExpr()); + E->setConstructor(cast<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++]))); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setElidable(Record[Idx++]); + E->setRequiresZeroInitialization(Record[Idx++]); + E->setConstructionKind((CXXConstructExpr::ConstructionKind)Record[Idx++]); +} + +void PCHStmtReader::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { + VisitCXXConstructExpr(E); + E->TyBeginLoc = Reader.ReadSourceLocation(Record, Idx); + E->RParenLoc = Reader.ReadSourceLocation(Record, Idx); +} + +void PCHStmtReader::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { + VisitExplicitCastExpr(E); + E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { + return VisitCXXNamedCastExpr(E); +} + +void PCHStmtReader::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { + return VisitCXXNamedCastExpr(E); +} + +void PCHStmtReader::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { + return VisitCXXNamedCastExpr(E); +} + +void PCHStmtReader::VisitCXXConstCastExpr(CXXConstCastExpr *E) { + return VisitCXXNamedCastExpr(E); +} + +void PCHStmtReader::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { + VisitExplicitCastExpr(E); + E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { + VisitExpr(E); + E->setValue(Record[Idx++]); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { + VisitExpr(E); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) { + VisitExpr(E); + E->setSourceRange(Reader.ReadSourceRange(Record, Idx)); + if (E->isTypeOperand()) { // typeid(int) + E->setTypeOperandSourceInfo(Reader.GetTypeSourceInfo(Record, Idx)); + return; + } + + // typeid(42+2) + E->setExprOperand(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitCXXThisExpr(CXXThisExpr *E) { + VisitExpr(E); + E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setImplicit(Record[Idx++]); +} + +void PCHStmtReader::VisitCXXThrowExpr(CXXThrowExpr *E) { + VisitExpr(E); + E->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setSubExpr(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { + VisitExpr(E); + + assert(Record[Idx] == E->Param.getInt() && "We messed up at creation ?"); + ++Idx; // HasOtherExprStored and SubExpr was handled during creation. + E->Param.setPointer(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++]))); + E->Loc = Reader.ReadSourceLocation(Record, Idx); +} + +void PCHStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { + VisitExpr(E); + E->setTemporary(Reader.ReadCXXTemporary(Record, Idx)); + E->setSubExpr(Reader.ReadSubExpr()); +} + +void PCHStmtReader::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E) { + VisitExpr(E); + E->SubExpr = Reader.ReadSubExpr(); + E->ExtendsLifetime = Record[Idx++]; + E->RequiresTemporaryCopy = Record[Idx++]; +} + +void PCHStmtReader::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { + VisitExpr(E); + E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXNewExpr(CXXNewExpr *E) { + VisitExpr(E); + E->setGlobalNew(Record[Idx++]); + E->setHasInitializer(Record[Idx++]); + bool isArray = Record[Idx++]; + unsigned NumPlacementArgs = Record[Idx++]; + unsigned NumCtorArgs = Record[Idx++]; + E->setOperatorNew(cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]))); + E->setOperatorDelete( + cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]))); + E->setConstructor( + cast_or_null<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++]))); + SourceRange TypeIdParens; + TypeIdParens.setBegin(SourceLocation::getFromRawEncoding(Record[Idx++])); + TypeIdParens.setEnd(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->TypeIdParens = TypeIdParens; + E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + E->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); + + E->AllocateArgsArray(*Reader.getContext(), isArray, NumPlacementArgs, + NumCtorArgs); + + // Install all the subexpressions. + for (CXXNewExpr::raw_arg_iterator I = E->raw_arg_begin(),e = E->raw_arg_end(); + I != e; ++I) + *I = Reader.ReadSubStmt(); +} + +void PCHStmtReader::VisitCXXDeleteExpr(CXXDeleteExpr *E) { + VisitExpr(E); + E->setGlobalDelete(Record[Idx++]); + E->setArrayForm(Record[Idx++]); + E->setOperatorDelete( + cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]))); + E->setArgument(Reader.ReadSubExpr()); + E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++])); +} + +void PCHStmtReader::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { + VisitExpr(E); + + E->setBase(Reader.ReadSubExpr()); + E->setArrow(Record[Idx++]); + E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx)); + E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx)); + E->setQualifierRange(Reader.ReadSourceRange(Record, Idx)); + E->setScopeTypeInfo(Reader.GetTypeSourceInfo(Record, Idx)); + E->setColonColonLoc(Reader.ReadSourceLocation(Record, Idx)); + E->setTildeLoc(Reader.ReadSourceLocation(Record, Idx)); + + IdentifierInfo *II = Reader.GetIdentifierInfo(Record, Idx); + if (II) + E->setDestroyedType(II, Reader.ReadSourceLocation(Record, Idx)); + else + E->setDestroyedType(Reader.GetTypeSourceInfo(Record, Idx)); +} + +void PCHStmtReader::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { + VisitExpr(E); + unsigned NumTemps = Record[Idx++]; + if (NumTemps) { + E->setNumTemporaries(*Reader.getContext(), NumTemps); + for (unsigned i = 0; i != NumTemps; ++i) + E->setTemporary(i, Reader.ReadCXXTemporary(Record, Idx)); + } + E->setSubExpr(Reader.ReadSubExpr()); +} + +void +PCHStmtReader::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ + VisitExpr(E); + + unsigned NumTemplateArgs = Record[Idx++]; + assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && + "Read wrong record during creation ?"); + if (E->hasExplicitTemplateArgs()) + ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(), + NumTemplateArgs); + + E->setBase(Reader.ReadSubExpr()); + E->setBaseType(Reader.GetType(Record[Idx++])); + E->setArrow(Record[Idx++]); + E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx)); + E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx)); + E->setQualifierRange(Reader.ReadSourceRange(Record, Idx)); + E->setFirstQualifierFoundInScope( + cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]))); + E->setMember(Reader.ReadDeclarationName(Record, Idx)); + E->setMemberLoc(Reader.ReadSourceLocation(Record, Idx)); +} + +void +PCHStmtReader::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { + VisitExpr(E); + + unsigned NumTemplateArgs = Record[Idx++]; + assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && + "Read wrong record during creation ?"); + if (E->hasExplicitTemplateArgs()) + ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(), + NumTemplateArgs); + + E->setDeclName(Reader.ReadDeclarationName(Record, Idx)); + E->setLocation(Reader.ReadSourceLocation(Record, Idx)); + E->setQualifierRange(Reader.ReadSourceRange(Record, Idx)); + E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx)); +} + +void +PCHStmtReader::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { + VisitExpr(E); + assert(Record[Idx] == E->arg_size() && "Read wrong record during creation ?"); + ++Idx; // NumArgs; + for (unsigned I = 0, N = E->arg_size(); I != N; ++I) + E->setArg(I, Reader.ReadSubExpr()); + E->setTypeBeginLoc(Reader.ReadSourceLocation(Record, Idx)); + E->setTypeAsWritten(Reader.GetType(Record[Idx++])); + E->setLParenLoc(Reader.ReadSourceLocation(Record, Idx)); + E->setRParenLoc(Reader.ReadSourceLocation(Record, Idx)); +} + +void PCHStmtReader::VisitOverloadExpr(OverloadExpr *E) { + VisitExpr(E); + + unsigned NumTemplateArgs = Record[Idx++]; + assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && + "Read wrong record during creation ?"); + if (E->hasExplicitTemplateArgs()) + ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(), + NumTemplateArgs); + + unsigned NumDecls = Record[Idx++]; + UnresolvedSet<8> Decls; + for (unsigned i = 0; i != NumDecls; ++i) { + NamedDecl *D = cast<NamedDecl>(Reader.GetDecl(Record[Idx++])); + AccessSpecifier AS = (AccessSpecifier)Record[Idx++]; + Decls.addDecl(D, AS); + } + E->initializeResults(*Reader.getContext(), Decls.begin(), Decls.end()); + + E->setName(Reader.ReadDeclarationName(Record, Idx)); + E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx)); + E->setQualifierRange(Reader.ReadSourceRange(Record, Idx)); + E->setNameLoc(Reader.ReadSourceLocation(Record, Idx)); +} + +void PCHStmtReader::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { + VisitOverloadExpr(E); + E->setArrow(Record[Idx++]); + E->setHasUnresolvedUsing(Record[Idx++]); + E->setBase(Reader.ReadSubExpr()); + E->setBaseType(Reader.GetType(Record[Idx++])); + E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx)); +} + +void PCHStmtReader::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { + VisitOverloadExpr(E); + E->setRequiresADL(Record[Idx++]); + E->setOverloaded(Record[Idx++]); + E->setNamingClass(cast_or_null<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]))); +} + +void PCHStmtReader::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { + VisitExpr(E); + E->UTT = (UnaryTypeTrait)Record[Idx++]; + SourceRange Range = Reader.ReadSourceRange(Record, Idx); + E->Loc = Range.getBegin(); + E->RParen = Range.getEnd(); + E->QueriedType = Reader.GetType(Record[Idx++]); +} + +Stmt *PCHReader::ReadStmt() { + switch (ReadingKind) { + case Read_Decl: + case Read_Type: + // Read a statement from the current DeclCursor. + return ReadStmtFromStream(DeclsCursor); + case Read_Stmt: + return ReadSubStmt(); + } + + llvm_unreachable("ReadingKind not set ?"); + return 0; +} + +Expr *PCHReader::ReadExpr() { + return cast_or_null<Expr>(ReadStmt()); +} + +Expr *PCHReader::ReadSubExpr() { + return cast_or_null<Expr>(ReadSubStmt()); +} + +// Within the bitstream, expressions are stored in Reverse Polish +// Notation, with each of the subexpressions preceding the +// expression they are stored in. Subexpressions are stored from last to first. +// To evaluate expressions, we continue reading expressions and placing them on +// the stack, with expressions having operands removing those operands from the +// stack. Evaluation terminates when we see a STMT_STOP record, and +// the single remaining expression on the stack is our result. +Stmt *PCHReader::ReadStmtFromStream(llvm::BitstreamCursor &Cursor) { + + ReadingKindTracker ReadingKind(Read_Stmt, *this); + +#ifndef NDEBUG + unsigned PrevNumStmts = StmtStack.size(); +#endif + + RecordData Record; + unsigned Idx; + PCHStmtReader Reader(*this, Record, Idx); + Stmt::EmptyShell Empty; + + while (true) { + unsigned Code = Cursor.ReadCode(); + if (Code == llvm::bitc::END_BLOCK) { + if (Cursor.ReadBlockEnd()) { + Error("error at end of block in PCH file"); + return 0; + } + break; + } + + if (Code == llvm::bitc::ENTER_SUBBLOCK) { + // No known subblocks, always skip them. + Cursor.ReadSubBlockID(); + if (Cursor.SkipBlock()) { + Error("malformed block record in PCH file"); + return 0; + } + continue; + } + + if (Code == llvm::bitc::DEFINE_ABBREV) { + Cursor.ReadAbbrevRecord(); + continue; + } + + Stmt *S = 0; + Idx = 0; + Record.clear(); + bool Finished = false; + switch ((pch::StmtCode)Cursor.ReadRecord(Code, Record)) { + case pch::STMT_STOP: + Finished = true; + break; + + case pch::STMT_NULL_PTR: + S = 0; + break; + + case pch::STMT_NULL: + S = new (Context) NullStmt(Empty); + break; + + case pch::STMT_COMPOUND: + S = new (Context) CompoundStmt(Empty); + break; + + case pch::STMT_CASE: + S = new (Context) CaseStmt(Empty); + break; + + case pch::STMT_DEFAULT: + S = new (Context) DefaultStmt(Empty); + break; + + case pch::STMT_LABEL: + S = new (Context) LabelStmt(Empty); + break; + + case pch::STMT_IF: + S = new (Context) IfStmt(Empty); + break; + + case pch::STMT_SWITCH: + S = new (Context) SwitchStmt(Empty); + break; + + case pch::STMT_WHILE: + S = new (Context) WhileStmt(Empty); + break; + + case pch::STMT_DO: + S = new (Context) DoStmt(Empty); + break; + + case pch::STMT_FOR: + S = new (Context) ForStmt(Empty); + break; + + case pch::STMT_GOTO: + S = new (Context) GotoStmt(Empty); + break; + + case pch::STMT_INDIRECT_GOTO: + S = new (Context) IndirectGotoStmt(Empty); + break; + + case pch::STMT_CONTINUE: + S = new (Context) ContinueStmt(Empty); + break; + + case pch::STMT_BREAK: + S = new (Context) BreakStmt(Empty); + break; + + case pch::STMT_RETURN: + S = new (Context) ReturnStmt(Empty); + break; + + case pch::STMT_DECL: + S = new (Context) DeclStmt(Empty); + break; + + case pch::STMT_ASM: + S = new (Context) AsmStmt(Empty); + break; + + case pch::EXPR_PREDEFINED: + S = new (Context) PredefinedExpr(Empty); + break; + + case pch::EXPR_DECL_REF: + S = DeclRefExpr::CreateEmpty(*Context, + /*HasQualifier=*/Record[PCHStmtReader::NumExprFields], + /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields + 1]); + break; + + case pch::EXPR_INTEGER_LITERAL: + S = new (Context) IntegerLiteral(Empty); + break; + + case pch::EXPR_FLOATING_LITERAL: + S = new (Context) FloatingLiteral(Empty); + break; + + case pch::EXPR_IMAGINARY_LITERAL: + S = new (Context) ImaginaryLiteral(Empty); + break; + + case pch::EXPR_STRING_LITERAL: + S = StringLiteral::CreateEmpty(*Context, + Record[PCHStmtReader::NumExprFields + 1]); + break; + + case pch::EXPR_CHARACTER_LITERAL: + S = new (Context) CharacterLiteral(Empty); + break; + + case pch::EXPR_PAREN: + S = new (Context) ParenExpr(Empty); + break; + + case pch::EXPR_PAREN_LIST: + S = new (Context) ParenListExpr(Empty); + break; + + case pch::EXPR_UNARY_OPERATOR: + S = new (Context) UnaryOperator(Empty); + break; + + case pch::EXPR_OFFSETOF: + S = OffsetOfExpr::CreateEmpty(*Context, + Record[PCHStmtReader::NumExprFields], + Record[PCHStmtReader::NumExprFields + 1]); + break; + + case pch::EXPR_SIZEOF_ALIGN_OF: + S = new (Context) SizeOfAlignOfExpr(Empty); + break; + + case pch::EXPR_ARRAY_SUBSCRIPT: + S = new (Context) ArraySubscriptExpr(Empty); + break; + + case pch::EXPR_CALL: + S = new (Context) CallExpr(*Context, Stmt::CallExprClass, Empty); + break; + + case pch::EXPR_MEMBER: { + // We load everything here and fully initialize it at creation. + // That way we can use MemberExpr::Create and don't have to duplicate its + // logic with a MemberExpr::CreateEmpty. + + assert(Idx == 0); + NestedNameSpecifier *NNS = 0; + SourceRange QualifierRange; + if (Record[Idx++]) { // HasQualifier. + NNS = ReadNestedNameSpecifier(Record, Idx); + QualifierRange = ReadSourceRange(Record, Idx); + } + + TemplateArgumentListInfo ArgInfo; + unsigned NumTemplateArgs = Record[Idx++]; + if (NumTemplateArgs) { + ArgInfo.setLAngleLoc(ReadSourceLocation(Record, Idx)); + ArgInfo.setRAngleLoc(ReadSourceLocation(Record, Idx)); + for (unsigned i = 0; i != NumTemplateArgs; ++i) + ArgInfo.addArgument(ReadTemplateArgumentLoc(Record, Idx)); + } + + NamedDecl *FoundD = cast_or_null<NamedDecl>(GetDecl(Record[Idx++])); + AccessSpecifier AS = (AccessSpecifier)Record[Idx++]; + DeclAccessPair FoundDecl = DeclAccessPair::make(FoundD, AS); + + QualType T = GetType(Record[Idx++]); + Expr *Base = ReadSubExpr(); + ValueDecl *MemberD = cast<ValueDecl>(GetDecl(Record[Idx++])); + SourceLocation MemberLoc = ReadSourceLocation(Record, Idx); + bool IsArrow = Record[Idx++]; + + S = MemberExpr::Create(*Context, Base, IsArrow, NNS, QualifierRange, + MemberD, FoundDecl, MemberLoc, + NumTemplateArgs ? &ArgInfo : 0, T); + break; + } + + case pch::EXPR_BINARY_OPERATOR: + S = new (Context) BinaryOperator(Empty); + break; + + case pch::EXPR_COMPOUND_ASSIGN_OPERATOR: + S = new (Context) CompoundAssignOperator(Empty); + break; + + case pch::EXPR_CONDITIONAL_OPERATOR: + S = new (Context) ConditionalOperator(Empty); + break; + + case pch::EXPR_IMPLICIT_CAST: + S = new (Context) ImplicitCastExpr(Empty); + break; + + case pch::EXPR_CSTYLE_CAST: + S = new (Context) CStyleCastExpr(Empty); + break; + + case pch::EXPR_COMPOUND_LITERAL: + S = new (Context) CompoundLiteralExpr(Empty); + break; + + case pch::EXPR_EXT_VECTOR_ELEMENT: + S = new (Context) ExtVectorElementExpr(Empty); + break; + + case pch::EXPR_INIT_LIST: + S = new (Context) InitListExpr(*getContext(), Empty); + break; + + case pch::EXPR_DESIGNATED_INIT: + S = DesignatedInitExpr::CreateEmpty(*Context, + Record[PCHStmtReader::NumExprFields] - 1); + + break; + + case pch::EXPR_IMPLICIT_VALUE_INIT: + S = new (Context) ImplicitValueInitExpr(Empty); + break; + + case pch::EXPR_VA_ARG: + S = new (Context) VAArgExpr(Empty); + break; + + case pch::EXPR_ADDR_LABEL: + S = new (Context) AddrLabelExpr(Empty); + break; + + case pch::EXPR_STMT: + S = new (Context) StmtExpr(Empty); + break; + + case pch::EXPR_TYPES_COMPATIBLE: + S = new (Context) TypesCompatibleExpr(Empty); + break; + + case pch::EXPR_CHOOSE: + S = new (Context) ChooseExpr(Empty); + break; + + case pch::EXPR_GNU_NULL: + S = new (Context) GNUNullExpr(Empty); + break; + + case pch::EXPR_SHUFFLE_VECTOR: + S = new (Context) ShuffleVectorExpr(Empty); + break; + + case pch::EXPR_BLOCK: + S = new (Context) BlockExpr(Empty); + break; + + case pch::EXPR_BLOCK_DECL_REF: + S = new (Context) BlockDeclRefExpr(Empty); + break; + + case pch::EXPR_OBJC_STRING_LITERAL: + S = new (Context) ObjCStringLiteral(Empty); + break; + case pch::EXPR_OBJC_ENCODE: + S = new (Context) ObjCEncodeExpr(Empty); + break; + case pch::EXPR_OBJC_SELECTOR_EXPR: + S = new (Context) ObjCSelectorExpr(Empty); + break; + case pch::EXPR_OBJC_PROTOCOL_EXPR: + S = new (Context) ObjCProtocolExpr(Empty); + break; + case pch::EXPR_OBJC_IVAR_REF_EXPR: + S = new (Context) ObjCIvarRefExpr(Empty); + break; + case pch::EXPR_OBJC_PROPERTY_REF_EXPR: + S = new (Context) ObjCPropertyRefExpr(Empty); + break; + case pch::EXPR_OBJC_KVC_REF_EXPR: + S = new (Context) ObjCImplicitSetterGetterRefExpr(Empty); + break; + case pch::EXPR_OBJC_MESSAGE_EXPR: + S = ObjCMessageExpr::CreateEmpty(*Context, + Record[PCHStmtReader::NumExprFields]); + break; + case pch::EXPR_OBJC_SUPER_EXPR: + S = new (Context) ObjCSuperExpr(Empty); + break; + case pch::EXPR_OBJC_ISA: + S = new (Context) ObjCIsaExpr(Empty); + break; + case pch::STMT_OBJC_FOR_COLLECTION: + S = new (Context) ObjCForCollectionStmt(Empty); + break; + case pch::STMT_OBJC_CATCH: + S = new (Context) ObjCAtCatchStmt(Empty); + break; + case pch::STMT_OBJC_FINALLY: + S = new (Context) ObjCAtFinallyStmt(Empty); + break; + case pch::STMT_OBJC_AT_TRY: + S = ObjCAtTryStmt::CreateEmpty(*Context, + Record[PCHStmtReader::NumStmtFields], + Record[PCHStmtReader::NumStmtFields + 1]); + break; + case pch::STMT_OBJC_AT_SYNCHRONIZED: + S = new (Context) ObjCAtSynchronizedStmt(Empty); + break; + case pch::STMT_OBJC_AT_THROW: + S = new (Context) ObjCAtThrowStmt(Empty); + break; + + case pch::EXPR_CXX_OPERATOR_CALL: + S = new (Context) CXXOperatorCallExpr(*Context, Empty); + break; + + case pch::EXPR_CXX_MEMBER_CALL: + S = new (Context) CXXMemberCallExpr(*Context, Empty); + break; + + case pch::EXPR_CXX_CONSTRUCT: + S = new (Context) CXXConstructExpr(Empty); + break; + + case pch::EXPR_CXX_TEMPORARY_OBJECT: + S = new (Context) CXXTemporaryObjectExpr(Empty); + break; + + case pch::EXPR_CXX_STATIC_CAST: + S = new (Context) CXXStaticCastExpr(Empty); + break; + + case pch::EXPR_CXX_DYNAMIC_CAST: + S = new (Context) CXXDynamicCastExpr(Empty); + break; + + case pch::EXPR_CXX_REINTERPRET_CAST: + S = new (Context) CXXReinterpretCastExpr(Empty); + break; + + case pch::EXPR_CXX_CONST_CAST: + S = new (Context) CXXConstCastExpr(Empty); + break; + + case pch::EXPR_CXX_FUNCTIONAL_CAST: + S = new (Context) CXXFunctionalCastExpr(Empty); + break; + + case pch::EXPR_CXX_BOOL_LITERAL: + S = new (Context) CXXBoolLiteralExpr(Empty); + break; + + case pch::EXPR_CXX_NULL_PTR_LITERAL: + S = new (Context) CXXNullPtrLiteralExpr(Empty); + break; + case pch::EXPR_CXX_TYPEID_EXPR: + S = new (Context) CXXTypeidExpr(Empty, true); + break; + case pch::EXPR_CXX_TYPEID_TYPE: + S = new (Context) CXXTypeidExpr(Empty, false); + break; + case pch::EXPR_CXX_THIS: + S = new (Context) CXXThisExpr(Empty); + break; + case pch::EXPR_CXX_THROW: + S = new (Context) CXXThrowExpr(Empty); + break; + case pch::EXPR_CXX_DEFAULT_ARG: { + bool HasOtherExprStored = Record[PCHStmtReader::NumExprFields]; + if (HasOtherExprStored) { + Expr *SubExpr = ReadSubExpr(); + S = CXXDefaultArgExpr::Create(*Context, SourceLocation(), 0, SubExpr); + } else + S = new (Context) CXXDefaultArgExpr(Empty); + break; + } + case pch::EXPR_CXX_BIND_TEMPORARY: + S = new (Context) CXXBindTemporaryExpr(Empty); + break; + case pch::EXPR_CXX_BIND_REFERENCE: + S = new (Context) CXXBindReferenceExpr(Empty); + break; + + case pch::EXPR_CXX_SCALAR_VALUE_INIT: + S = new (Context) CXXScalarValueInitExpr(Empty); + break; + case pch::EXPR_CXX_NEW: + S = new (Context) CXXNewExpr(Empty); + break; + case pch::EXPR_CXX_DELETE: + S = new (Context) CXXDeleteExpr(Empty); + break; + case pch::EXPR_CXX_PSEUDO_DESTRUCTOR: + S = new (Context) CXXPseudoDestructorExpr(Empty); + break; + + case pch::EXPR_CXX_EXPR_WITH_TEMPORARIES: + S = new (Context) CXXExprWithTemporaries(Empty); + break; + + case pch::EXPR_CXX_DEPENDENT_SCOPE_MEMBER: + S = CXXDependentScopeMemberExpr::CreateEmpty(*Context, + /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]); + break; + + case pch::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF: + S = DependentScopeDeclRefExpr::CreateEmpty(*Context, + /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]); + break; + + case pch::EXPR_CXX_UNRESOLVED_CONSTRUCT: + S = CXXUnresolvedConstructExpr::CreateEmpty(*Context, + /*NumArgs=*/Record[PCHStmtReader::NumExprFields]); + break; + + case pch::EXPR_CXX_UNRESOLVED_MEMBER: + S = UnresolvedMemberExpr::CreateEmpty(*Context, + /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]); + break; + + case pch::EXPR_CXX_UNRESOLVED_LOOKUP: + S = UnresolvedLookupExpr::CreateEmpty(*Context, + /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]); + break; + + case pch::EXPR_CXX_UNARY_TYPE_TRAIT: + S = new (Context) UnaryTypeTraitExpr(Empty); + break; + } + + // We hit a STMT_STOP, so we're done with this expression. + if (Finished) + break; + + ++NumStatementsRead; + + if (S) + Reader.Visit(S); + + assert(Idx == Record.size() && "Invalid deserialization of statement"); + StmtStack.push_back(S); + } + +#ifndef NDEBUG + assert(StmtStack.size() > PrevNumStmts && "Read too many sub stmts!"); + assert(StmtStack.size() == PrevNumStmts + 1 && "Extra expressions on stack!"); +#endif + + return StmtStack.pop_back_val(); +} |
