split stmt/expr deserialization out to PCHReaderStmt.cpp
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70186 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReaderStmt.cpp b/lib/Frontend/PCHReaderStmt.cpp
new file mode 100644
index 0000000..7767bb5
--- /dev/null
+++ b/lib/Frontend/PCHReaderStmt.cpp
@@ -0,0 +1,1134 @@
+//===--- 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/StmtVisitor.h"
+using namespace clang;
+
+// FIXME: use the diagnostics machinery
+static bool Error(const char *Str) {
+ std::fprintf(stderr, "%s\n", Str);
+ return true;
+}
+
+namespace {
+ class PCHStmtReader : public StmtVisitor<PCHStmtReader, unsigned> {
+ PCHReader &Reader;
+ const PCHReader::RecordData &Record;
+ unsigned &Idx;
+ llvm::SmallVectorImpl<Stmt *> &StmtStack;
+
+ public:
+ PCHStmtReader(PCHReader &Reader, const PCHReader::RecordData &Record,
+ unsigned &Idx, llvm::SmallVectorImpl<Stmt *> &StmtStack)
+ : Reader(Reader), Record(Record), Idx(Idx), StmtStack(StmtStack) { }
+
+ /// \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;
+
+ // Each of the Visit* functions reads in part of the expression
+ // from the given record and the current expression stack, then
+ // return the total number of operands that it read from the
+ // expression stack.
+
+ unsigned VisitStmt(Stmt *S);
+ unsigned VisitNullStmt(NullStmt *S);
+ unsigned VisitCompoundStmt(CompoundStmt *S);
+ unsigned VisitSwitchCase(SwitchCase *S);
+ unsigned VisitCaseStmt(CaseStmt *S);
+ unsigned VisitDefaultStmt(DefaultStmt *S);
+ unsigned VisitLabelStmt(LabelStmt *S);
+ unsigned VisitIfStmt(IfStmt *S);
+ unsigned VisitSwitchStmt(SwitchStmt *S);
+ unsigned VisitWhileStmt(WhileStmt *S);
+ unsigned VisitDoStmt(DoStmt *S);
+ unsigned VisitForStmt(ForStmt *S);
+ unsigned VisitGotoStmt(GotoStmt *S);
+ unsigned VisitIndirectGotoStmt(IndirectGotoStmt *S);
+ unsigned VisitContinueStmt(ContinueStmt *S);
+ unsigned VisitBreakStmt(BreakStmt *S);
+ unsigned VisitReturnStmt(ReturnStmt *S);
+ unsigned VisitDeclStmt(DeclStmt *S);
+ unsigned VisitAsmStmt(AsmStmt *S);
+ unsigned VisitExpr(Expr *E);
+ unsigned VisitPredefinedExpr(PredefinedExpr *E);
+ unsigned VisitDeclRefExpr(DeclRefExpr *E);
+ unsigned VisitIntegerLiteral(IntegerLiteral *E);
+ unsigned VisitFloatingLiteral(FloatingLiteral *E);
+ unsigned VisitImaginaryLiteral(ImaginaryLiteral *E);
+ unsigned VisitStringLiteral(StringLiteral *E);
+ unsigned VisitCharacterLiteral(CharacterLiteral *E);
+ unsigned VisitParenExpr(ParenExpr *E);
+ unsigned VisitUnaryOperator(UnaryOperator *E);
+ unsigned VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
+ unsigned VisitArraySubscriptExpr(ArraySubscriptExpr *E);
+ unsigned VisitCallExpr(CallExpr *E);
+ unsigned VisitMemberExpr(MemberExpr *E);
+ unsigned VisitCastExpr(CastExpr *E);
+ unsigned VisitBinaryOperator(BinaryOperator *E);
+ unsigned VisitCompoundAssignOperator(CompoundAssignOperator *E);
+ unsigned VisitConditionalOperator(ConditionalOperator *E);
+ unsigned VisitImplicitCastExpr(ImplicitCastExpr *E);
+ unsigned VisitExplicitCastExpr(ExplicitCastExpr *E);
+ unsigned VisitCStyleCastExpr(CStyleCastExpr *E);
+ unsigned VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
+ unsigned VisitExtVectorElementExpr(ExtVectorElementExpr *E);
+ unsigned VisitInitListExpr(InitListExpr *E);
+ unsigned VisitDesignatedInitExpr(DesignatedInitExpr *E);
+ unsigned VisitImplicitValueInitExpr(ImplicitValueInitExpr *E);
+ unsigned VisitVAArgExpr(VAArgExpr *E);
+ unsigned VisitAddrLabelExpr(AddrLabelExpr *E);
+ unsigned VisitStmtExpr(StmtExpr *E);
+ unsigned VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
+ unsigned VisitChooseExpr(ChooseExpr *E);
+ unsigned VisitGNUNullExpr(GNUNullExpr *E);
+ unsigned VisitShuffleVectorExpr(ShuffleVectorExpr *E);
+ unsigned VisitBlockExpr(BlockExpr *E);
+ unsigned VisitBlockDeclRefExpr(BlockDeclRefExpr *E);
+ unsigned VisitObjCStringLiteral(ObjCStringLiteral *E);
+ unsigned VisitObjCEncodeExpr(ObjCEncodeExpr *E);
+ unsigned VisitObjCSelectorExpr(ObjCSelectorExpr *E);
+ unsigned VisitObjCProtocolExpr(ObjCProtocolExpr *E);
+ unsigned VisitObjCIvarRefExpr(ObjCIvarRefExpr *E);
+ unsigned VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E);
+ unsigned VisitObjCKVCRefExpr(ObjCKVCRefExpr *E);
+ unsigned VisitObjCMessageExpr(ObjCMessageExpr *E);
+ unsigned VisitObjCSuperExpr(ObjCSuperExpr *E);
+
+ unsigned VisitObjCForCollectionStmt(ObjCForCollectionStmt *);
+ unsigned VisitObjCAtCatchStmt(ObjCAtCatchStmt *);
+ unsigned VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *);
+ unsigned VisitObjCAtTryStmt(ObjCAtTryStmt *);
+ unsigned VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *);
+ unsigned VisitObjCAtThrowStmt(ObjCAtThrowStmt *);
+ };
+}
+
+unsigned PCHStmtReader::VisitStmt(Stmt *S) {
+ assert(Idx == NumStmtFields && "Incorrect statement field count");
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitNullStmt(NullStmt *S) {
+ VisitStmt(S);
+ S->setSemiLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitCompoundStmt(CompoundStmt *S) {
+ VisitStmt(S);
+ unsigned NumStmts = Record[Idx++];
+ S->setStmts(Reader.getContext(),
+ &StmtStack[StmtStack.size() - NumStmts], NumStmts);
+ S->setLBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ S->setRBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return NumStmts;
+}
+
+unsigned PCHStmtReader::VisitSwitchCase(SwitchCase *S) {
+ VisitStmt(S);
+ Reader.RecordSwitchCaseID(S, Record[Idx++]);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitCaseStmt(CaseStmt *S) {
+ VisitSwitchCase(S);
+ S->setLHS(cast<Expr>(StmtStack[StmtStack.size() - 3]));
+ S->setRHS(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setSubStmt(StmtStack.back());
+ S->setCaseLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitDefaultStmt(DefaultStmt *S) {
+ VisitSwitchCase(S);
+ S->setSubStmt(StmtStack.back());
+ S->setDefaultLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitLabelStmt(LabelStmt *S) {
+ VisitStmt(S);
+ S->setID(Reader.GetIdentifierInfo(Record, Idx));
+ S->setSubStmt(StmtStack.back());
+ S->setIdentLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ Reader.RecordLabelStmt(S, Record[Idx++]);
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitIfStmt(IfStmt *S) {
+ VisitStmt(S);
+ S->setCond(cast<Expr>(StmtStack[StmtStack.size() - 3]));
+ S->setThen(StmtStack[StmtStack.size() - 2]);
+ S->setElse(StmtStack[StmtStack.size() - 1]);
+ S->setIfLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitSwitchStmt(SwitchStmt *S) {
+ VisitStmt(S);
+ S->setCond(cast<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setBody(StmtStack.back());
+ 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);
+ PrevSC = SC;
+ }
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitWhileStmt(WhileStmt *S) {
+ VisitStmt(S);
+ S->setCond(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setBody(StmtStack.back());
+ S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitDoStmt(DoStmt *S) {
+ VisitStmt(S);
+ S->setCond(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setBody(StmtStack.back());
+ S->setDoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitForStmt(ForStmt *S) {
+ VisitStmt(S);
+ S->setInit(StmtStack[StmtStack.size() - 4]);
+ S->setCond(cast_or_null<Expr>(StmtStack[StmtStack.size() - 3]));
+ S->setInc(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setBody(StmtStack.back());
+ S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 4;
+}
+
+unsigned PCHStmtReader::VisitGotoStmt(GotoStmt *S) {
+ VisitStmt(S);
+ Reader.SetLabelOf(S, Record[Idx++]);
+ S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ S->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
+ VisitStmt(S);
+ S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ S->setTarget(cast_or_null<Expr>(StmtStack.back()));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitContinueStmt(ContinueStmt *S) {
+ VisitStmt(S);
+ S->setContinueLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitBreakStmt(BreakStmt *S) {
+ VisitStmt(S);
+ S->setBreakLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitReturnStmt(ReturnStmt *S) {
+ VisitStmt(S);
+ S->setRetValue(cast_or_null<Expr>(StmtStack.back()));
+ S->setReturnLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned 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[0], Decls.size())));
+ }
+ return 0;
+}
+
+unsigned 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++]);
+
+ unsigned StackIdx
+ = StmtStack.size() - (NumOutputs*2 + NumInputs*2 + NumClobbers + 1);
+ S->setAsmString(cast_or_null<StringLiteral>(StmtStack[StackIdx++]));
+
+ // Outputs and inputs
+ llvm::SmallVector<std::string, 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.ReadString(Record, Idx));
+ Constraints.push_back(cast_or_null<StringLiteral>(StmtStack[StackIdx++]));
+ Exprs.push_back(StmtStack[StackIdx++]);
+ }
+ S->setOutputsAndInputs(NumOutputs, NumInputs,
+ &Names[0], &Constraints[0], &Exprs[0]);
+
+ // Constraints
+ llvm::SmallVector<StringLiteral*, 16> Clobbers;
+ for (unsigned I = 0; I != NumClobbers; ++I)
+ Clobbers.push_back(cast_or_null<StringLiteral>(StmtStack[StackIdx++]));
+ S->setClobbers(&Clobbers[0], NumClobbers);
+
+ assert(StackIdx == StmtStack.size() && "Error deserializing AsmStmt");
+ return NumOutputs*2 + NumInputs*2 + NumClobbers + 1;
+}
+
+unsigned 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");
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitPredefinedExpr(PredefinedExpr *E) {
+ VisitExpr(E);
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setIdentType((PredefinedExpr::IdentType)Record[Idx++]);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitDeclRefExpr(DeclRefExpr *E) {
+ VisitExpr(E);
+ E->setDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitIntegerLiteral(IntegerLiteral *E) {
+ VisitExpr(E);
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setValue(Reader.ReadAPInt(Record, Idx));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitFloatingLiteral(FloatingLiteral *E) {
+ VisitExpr(E);
+ E->setValue(Reader.ReadAPFloat(Record, Idx));
+ E->setExact(Record[Idx++]);
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitImaginaryLiteral(ImaginaryLiteral *E) {
+ VisitExpr(E);
+ E->setSubExpr(cast<Expr>(StmtStack.back()));
+ return 1;
+}
+
+unsigned 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::SmallVector<char, 16> Str(&Record[Idx], &Record[Idx] + Len);
+ E->setStrData(Reader.getContext(), &Str[0], Len);
+ Idx += Len;
+
+ // Read source locations
+ for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
+ E->setStrTokenLoc(I, SourceLocation::getFromRawEncoding(Record[Idx++]));
+
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitCharacterLiteral(CharacterLiteral *E) {
+ VisitExpr(E);
+ E->setValue(Record[Idx++]);
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setWide(Record[Idx++]);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitParenExpr(ParenExpr *E) {
+ VisitExpr(E);
+ E->setLParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setSubExpr(cast<Expr>(StmtStack.back()));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitUnaryOperator(UnaryOperator *E) {
+ VisitExpr(E);
+ E->setSubExpr(cast<Expr>(StmtStack.back()));
+ E->setOpcode((UnaryOperator::Opcode)Record[Idx++]);
+ E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
+ VisitExpr(E);
+ E->setSizeof(Record[Idx++]);
+ if (Record[Idx] == 0) {
+ E->setArgument(cast<Expr>(StmtStack.back()));
+ ++Idx;
+ } else {
+ E->setArgument(Reader.GetType(Record[Idx++]));
+ }
+ E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return E->isArgumentType()? 0 : 1;
+}
+
+unsigned PCHStmtReader::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
+ VisitExpr(E);
+ E->setLHS(cast<Expr>(StmtStack[StmtStack.size() - 2]));
+ E->setRHS(cast<Expr>(StmtStack[StmtStack.size() - 1]));
+ E->setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitCallExpr(CallExpr *E) {
+ VisitExpr(E);
+ E->setNumArgs(Reader.getContext(), Record[Idx++]);
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setCallee(cast<Expr>(StmtStack[StmtStack.size() - E->getNumArgs() - 1]));
+ for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
+ E->setArg(I, cast<Expr>(StmtStack[StmtStack.size() - N + I]));
+ return E->getNumArgs() + 1;
+}
+
+unsigned PCHStmtReader::VisitMemberExpr(MemberExpr *E) {
+ VisitExpr(E);
+ E->setBase(cast<Expr>(StmtStack.back()));
+ E->setMemberDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setMemberLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setArrow(Record[Idx++]);
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitCastExpr(CastExpr *E) {
+ VisitExpr(E);
+ E->setSubExpr(cast<Expr>(StmtStack.back()));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitBinaryOperator(BinaryOperator *E) {
+ VisitExpr(E);
+ E->setLHS(cast<Expr>(StmtStack.end()[-2]));
+ E->setRHS(cast<Expr>(StmtStack.end()[-1]));
+ E->setOpcode((BinaryOperator::Opcode)Record[Idx++]);
+ E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
+ VisitBinaryOperator(E);
+ E->setComputationLHSType(Reader.GetType(Record[Idx++]));
+ E->setComputationResultType(Reader.GetType(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitConditionalOperator(ConditionalOperator *E) {
+ VisitExpr(E);
+ E->setCond(cast<Expr>(StmtStack[StmtStack.size() - 3]));
+ E->setLHS(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ E->setRHS(cast_or_null<Expr>(StmtStack[StmtStack.size() - 1]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitImplicitCastExpr(ImplicitCastExpr *E) {
+ VisitCastExpr(E);
+ E->setLvalueCast(Record[Idx++]);
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitExplicitCastExpr(ExplicitCastExpr *E) {
+ VisitCastExpr(E);
+ E->setTypeAsWritten(Reader.GetType(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitCStyleCastExpr(CStyleCastExpr *E) {
+ VisitExplicitCastExpr(E);
+ E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
+ VisitExpr(E);
+ E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setInitializer(cast<Expr>(StmtStack.back()));
+ E->setFileScope(Record[Idx++]);
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
+ VisitExpr(E);
+ E->setBase(cast<Expr>(StmtStack.back()));
+ E->setAccessor(Reader.GetIdentifierInfo(Record, Idx));
+ E->setAccessorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitInitListExpr(InitListExpr *E) {
+ VisitExpr(E);
+ unsigned NumInits = Record[Idx++];
+ E->reserveInits(NumInits);
+ for (unsigned I = 0; I != NumInits; ++I)
+ E->updateInit(I,
+ cast<Expr>(StmtStack[StmtStack.size() - NumInits - 1 + I]));
+ E->setSyntacticForm(cast_or_null<InitListExpr>(StmtStack.back()));
+ 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++]);
+ return NumInits + 1;
+}
+
+unsigned 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, cast<Expr>(StmtStack[StmtStack.size() - NumSubExprs + I]));
+ 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(&Designators[0], Designators.size());
+
+ return NumSubExprs;
+}
+
+unsigned PCHStmtReader::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
+ VisitExpr(E);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitVAArgExpr(VAArgExpr *E) {
+ VisitExpr(E);
+ E->setSubExpr(cast<Expr>(StmtStack.back()));
+ E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) {
+ VisitExpr(E);
+ E->setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ Reader.SetLabelOf(E, Record[Idx++]);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitStmtExpr(StmtExpr *E) {
+ VisitExpr(E);
+ E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setSubStmt(cast_or_null<CompoundStmt>(StmtStack.back()));
+ return 1;
+}
+
+unsigned 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++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitChooseExpr(ChooseExpr *E) {
+ VisitExpr(E);
+ E->setCond(cast<Expr>(StmtStack[StmtStack.size() - 3]));
+ E->setLHS(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ E->setRHS(cast_or_null<Expr>(StmtStack[StmtStack.size() - 1]));
+ E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitGNUNullExpr(GNUNullExpr *E) {
+ VisitExpr(E);
+ E->setTokenLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
+ VisitExpr(E);
+ unsigned NumExprs = Record[Idx++];
+ E->setExprs((Expr **)&StmtStack[StmtStack.size() - NumExprs], NumExprs);
+ E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return NumExprs;
+}
+
+unsigned PCHStmtReader::VisitBlockExpr(BlockExpr *E) {
+ VisitExpr(E);
+ E->setBlockDecl(cast_or_null<BlockDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setHasBlockDeclRefExprs(Record[Idx++]);
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) {
+ VisitExpr(E);
+ E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setByRef(Record[Idx++]);
+ return 0;
+}
+
+//===----------------------------------------------------------------------===//
+// Objective-C Expressions and Statements
+
+unsigned PCHStmtReader::VisitObjCStringLiteral(ObjCStringLiteral *E) {
+ VisitExpr(E);
+ E->setString(cast<StringLiteral>(StmtStack.back()));
+ E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
+ VisitExpr(E);
+ E->setEncodedType(Reader.GetType(Record[Idx++]));
+ E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
+ VisitExpr(E);
+ E->setSelector(Reader.GetSelector(Record, Idx));
+ E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned 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++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
+ VisitExpr(E);
+ E->setDecl(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setBase(cast<Expr>(StmtStack.back()));
+ E->setIsArrow(Record[Idx++]);
+ E->setIsFreeIvar(Record[Idx++]);
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
+ VisitExpr(E);
+ E->setProperty(cast<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setBase(cast<Expr>(StmtStack.back()));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitObjCKVCRefExpr(ObjCKVCRefExpr *E) {
+ VisitExpr(E);
+ E->setGetterMethod(
+ cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setSetterMethod(
+ cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setClassProp(
+ cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
+ E->setBase(cast_or_null<Expr>(StmtStack.back()));
+ E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitObjCMessageExpr(ObjCMessageExpr *E) {
+ VisitExpr(E);
+ E->setNumArgs(Record[Idx++]);
+ E->setLeftLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setRightLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ E->setSelector(Reader.GetSelector(Record, Idx));
+ E->setMethodDecl(cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
+
+ E->setReceiver(
+ cast_or_null<Expr>(StmtStack[StmtStack.size() - E->getNumArgs() - 1]));
+ if (!E->getReceiver()) {
+ ObjCMessageExpr::ClassInfo CI;
+ CI.first = cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++]));
+ CI.second = Reader.GetIdentifierInfo(Record, Idx);
+ E->setClassInfo(CI);
+ }
+
+ for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
+ E->setArg(I, cast<Expr>(StmtStack[StmtStack.size() - N + I]));
+ return E->getNumArgs() + 1;
+}
+
+unsigned PCHStmtReader::VisitObjCSuperExpr(ObjCSuperExpr *E) {
+ VisitExpr(E);
+ E->setLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 0;
+}
+
+unsigned PCHStmtReader::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
+ VisitStmt(S);
+ S->setElement(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 3]));
+ S->setCollection(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+ S->setBody(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 1]));
+ S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
+ VisitStmt(S);
+ S->setCatchBody(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 2]));
+ S->setNextCatchStmt(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 1]));
+ S->setCatchParamDecl(cast_or_null<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
+ S->setAtCatchLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
+ VisitStmt(S);
+ S->setFinallyBody(StmtStack.back());
+ S->setAtFinallyLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+unsigned PCHStmtReader::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
+ VisitStmt(S);
+ S->setTryBody(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 3]));
+ S->setCatchStmts(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 2]));
+ S->setFinallyStmt(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 1]));
+ S->setAtTryLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 3;
+}
+
+unsigned PCHStmtReader::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
+ VisitStmt(S);
+ S->setSynchExpr(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 2]));
+ S->setSynchBody(cast_or_null<Stmt>(StmtStack[StmtStack.size() - 1]));
+ S->setAtSynchronizedLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 2;
+}
+
+unsigned PCHStmtReader::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
+ VisitStmt(S);
+ S->setThrowExpr(StmtStack.back());
+ S->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+ return 1;
+}
+
+
+Stmt *PCHReader::ReadStmt() {
+ // Within the bitstream, expressions are stored in Reverse Polish
+ // Notation, with each of the subexpressions preceding the
+ // expression they are stored in. 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.
+ RecordData Record;
+ unsigned Idx;
+ llvm::SmallVector<Stmt *, 16> StmtStack;
+ PCHStmtReader Reader(*this, Record, Idx, StmtStack);
+ Stmt::EmptyShell Empty;
+
+ while (true) {
+ unsigned Code = Stream.ReadCode();
+ if (Code == llvm::bitc::END_BLOCK) {
+ if (Stream.ReadBlockEnd()) {
+ Error("Error at end of Source Manager block");
+ return 0;
+ }
+ break;
+ }
+
+ if (Code == llvm::bitc::ENTER_SUBBLOCK) {
+ // No known subblocks, always skip them.
+ Stream.ReadSubBlockID();
+ if (Stream.SkipBlock()) {
+ Error("Malformed block record");
+ return 0;
+ }
+ continue;
+ }
+
+ if (Code == llvm::bitc::DEFINE_ABBREV) {
+ Stream.ReadAbbrevRecord();
+ continue;
+ }
+
+ Stmt *S = 0;
+ Idx = 0;
+ Record.clear();
+ bool Finished = false;
+ switch ((pch::StmtCode)Stream.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 = new (Context) DeclRefExpr(Empty);
+ 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_UNARY_OPERATOR:
+ S = new (Context) UnaryOperator(Empty);
+ 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, Empty);
+ break;
+
+ case pch::EXPR_MEMBER:
+ S = new (Context) MemberExpr(Empty);
+ 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(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) ObjCKVCRefExpr(Empty);
+ break;
+ case pch::EXPR_OBJC_MESSAGE_EXPR:
+ S = new (Context) ObjCMessageExpr(Empty);
+ break;
+ case pch::EXPR_OBJC_SUPER_EXPR:
+ S = new (Context) ObjCSuperExpr(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 = new (Context) ObjCAtTryStmt(Empty);
+ 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;
+ }
+
+ // We hit a STMT_STOP, so we're done with this expression.
+ if (Finished)
+ break;
+
+ ++NumStatementsRead;
+
+ if (S) {
+ unsigned NumSubStmts = Reader.Visit(S);
+ while (NumSubStmts > 0) {
+ StmtStack.pop_back();
+ --NumSubStmts;
+ }
+ }
+
+ assert(Idx == Record.size() && "Invalid deserialization of statement");
+ StmtStack.push_back(S);
+ }
+ assert(StmtStack.size() == 1 && "Extra expressions on stack!");
+ SwitchCaseStmts.clear();
+ return StmtStack.back();
+}
+