blob: 9a29234d5a8543e325996483e0fe67799cf74067 [file] [log] [blame]
//===--- 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 {
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 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 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 VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *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 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);
E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
// FIXME: read qualifier
// FIXME: read explicit template arguments
}
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::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) {
VisitExpr(E);
E->setBase(Reader.ReadSubExpr());
E->setMemberDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
E->setMemberLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
E->setArrow(Record[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++]);
}
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);
assert(Record[Idx] == E->getNumArgs() &&"Read wrong record during creation?");
++Idx; // 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::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);
E->setUsedLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
bool HasStoredExpr = Record[Idx++];
if (!HasStoredExpr) return;
E->setExpr(Reader.ReadSubExpr());
}
void PCHStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
VisitExpr(E);
E->setTemporary(Reader.ReadCXXTemporary(Record, Idx));
E->setSubExpr(Reader.ReadSubExpr());
}
void PCHStmtReader::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *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->setParenTypeId(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++])));
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++])));
}
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 = 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_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:
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(*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, *Context,
Record[PCHStmtReader::NumExprFields]);
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:
S = new (Context) CXXDefaultArgExpr(Empty);
break;
case pch::EXPR_CXX_BIND_TEMPORARY:
S = new (Context) CXXBindTemporaryExpr(Empty);
break;
case pch::EXPR_CXX_ZERO_INIT_VALUE:
S = new (Context) CXXZeroInitValueExpr(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;
}
// 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();
}