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/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index a24ba12..52afd2d 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -10,6 +10,7 @@
// This file defines the PCHReader class, which reads a precompiled header.
//
//===----------------------------------------------------------------------===//
+
#include "clang/Frontend/PCHReader.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "../Sema/Sema.h" // FIXME: move Sema headers elsewhere
@@ -19,7 +20,6 @@
#include "clang/AST/DeclGroup.h"
#include "clang/AST/DeclVisitor.h"
#include "clang/AST/Expr.h"
-#include "clang/AST/StmtVisitor.h"
#include "clang/AST/Type.h"
#include "clang/Lex/MacroInfo.h"
#include "clang/Lex/Preprocessor.h"
@@ -415,803 +415,28 @@
return std::make_pair(LexicalOffset, VisibleOffset);
}
-//===----------------------------------------------------------------------===//
-// Statement/expression deserialization
-//===----------------------------------------------------------------------===//
-namespace {
- class VISIBILITY_HIDDEN 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;
-}
//===----------------------------------------------------------------------===//
// PCH reader implementation
//===----------------------------------------------------------------------===//
+PCHReader::PCHReader(Preprocessor &PP, ASTContext &Context)
+ : SemaObj(0), PP(PP), Context(Context), Consumer(0),
+ IdentifierTableData(0), IdentifierLookupTable(0),
+ IdentifierOffsets(0),
+ MethodPoolLookupTable(0), MethodPoolLookupTableData(0),
+ TotalSelectorsInMethodPool(0), SelectorOffsets(0),
+ TotalNumSelectors(0), NumStatementsRead(0), NumMacrosRead(0),
+ NumMethodPoolSelectorsRead(0), NumMethodPoolMisses(0),
+ NumLexicalDeclContextsRead(0), NumVisibleDeclContextsRead(0) { }
+
+PCHReader::~PCHReader() {}
+
+Expr *PCHReader::ReadExpr() {
+ return dyn_cast_or_null<Expr>(ReadStmt());
+}
+
+
namespace {
class VISIBILITY_HIDDEN PCHMethodPoolLookupTrait {
PCHReader &Reader;
@@ -3198,330 +2423,6 @@
return PrevAttr;
}
-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();
-}
-
-Expr *PCHReader::ReadExpr() {
- return dyn_cast_or_null<Expr>(ReadStmt());
-}
-
DiagnosticBuilder PCHReader::Diag(unsigned DiagID) {
return Diag(SourceLocation(), DiagID);
}