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//===--- ASTWriterStmt.cpp - Statement and Expression Serialization -------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Implements serialization for Statements and Expressions.
///
//===----------------------------------------------------------------------===//
#include "clang/Serialization/ASTWriter.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Lex/Token.h"
#include "llvm/Bitstream/BitstreamWriter.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// Statement/expression serialization
//===----------------------------------------------------------------------===//
namespace clang {
class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> {
ASTWriter &Writer;
ASTRecordWriter Record;
serialization::StmtCode Code;
unsigned AbbrevToUse;
public:
ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record)
: Writer(Writer), Record(Writer, Record),
Code(serialization::STMT_NULL_PTR), AbbrevToUse(0) {}
ASTStmtWriter(const ASTStmtWriter&) = delete;
uint64_t Emit() {
assert(Code != serialization::STMT_NULL_PTR &&
"unhandled sub-statement writing AST file");
return Record.EmitStmt(Code, AbbrevToUse);
}
void AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &ArgInfo,
const TemplateArgumentLoc *Args);
void VisitStmt(Stmt *S);
#define STMT(Type, Base) \
void Visit##Type(Type *);
#include "clang/AST/StmtNodes.inc"
};
}
void ASTStmtWriter::AddTemplateKWAndArgsInfo(
const ASTTemplateKWAndArgsInfo &ArgInfo, const TemplateArgumentLoc *Args) {
Record.AddSourceLocation(ArgInfo.TemplateKWLoc);
Record.AddSourceLocation(ArgInfo.LAngleLoc);
Record.AddSourceLocation(ArgInfo.RAngleLoc);
for (unsigned i = 0; i != ArgInfo.NumTemplateArgs; ++i)
Record.AddTemplateArgumentLoc(Args[i]);
}
void ASTStmtWriter::VisitStmt(Stmt *S) {
Record.push_back(S->StmtBits.IsOMPStructuredBlock);
}
void ASTStmtWriter::VisitNullStmt(NullStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getSemiLoc());
Record.push_back(S->NullStmtBits.HasLeadingEmptyMacro);
Code = serialization::STMT_NULL;
}
void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) {
VisitStmt(S);
Record.push_back(S->size());
for (auto *CS : S->body())
Record.AddStmt(CS);
Record.AddSourceLocation(S->getLBracLoc());
Record.AddSourceLocation(S->getRBracLoc());
Code = serialization::STMT_COMPOUND;
}
void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) {
VisitStmt(S);
Record.push_back(Writer.getSwitchCaseID(S));
Record.AddSourceLocation(S->getKeywordLoc());
Record.AddSourceLocation(S->getColonLoc());
}
void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) {
VisitSwitchCase(S);
Record.push_back(S->caseStmtIsGNURange());
Record.AddStmt(S->getLHS());
Record.AddStmt(S->getSubStmt());
if (S->caseStmtIsGNURange()) {
Record.AddStmt(S->getRHS());
Record.AddSourceLocation(S->getEllipsisLoc());
}
Code = serialization::STMT_CASE;
}
void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) {
VisitSwitchCase(S);
Record.AddStmt(S->getSubStmt());
Code = serialization::STMT_DEFAULT;
}
void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) {
VisitStmt(S);
Record.AddDeclRef(S->getDecl());
Record.AddStmt(S->getSubStmt());
Record.AddSourceLocation(S->getIdentLoc());
Code = serialization::STMT_LABEL;
}
void ASTStmtWriter::VisitAttributedStmt(AttributedStmt *S) {
VisitStmt(S);
Record.push_back(S->getAttrs().size());
Record.AddAttributes(S->getAttrs());
Record.AddStmt(S->getSubStmt());
Record.AddSourceLocation(S->getAttrLoc());
Code = serialization::STMT_ATTRIBUTED;
}
void ASTStmtWriter::VisitIfStmt(IfStmt *S) {
VisitStmt(S);
bool HasElse = S->getElse() != nullptr;
bool HasVar = S->getConditionVariableDeclStmt() != nullptr;
bool HasInit = S->getInit() != nullptr;
Record.push_back(S->isConstexpr());
Record.push_back(HasElse);
Record.push_back(HasVar);
Record.push_back(HasInit);
Record.AddStmt(S->getCond());
Record.AddStmt(S->getThen());
if (HasElse)
Record.AddStmt(S->getElse());
if (HasVar)
Record.AddDeclRef(S->getConditionVariable());
if (HasInit)
Record.AddStmt(S->getInit());
Record.AddSourceLocation(S->getIfLoc());
if (HasElse)
Record.AddSourceLocation(S->getElseLoc());
Code = serialization::STMT_IF;
}
void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) {
VisitStmt(S);
bool HasInit = S->getInit() != nullptr;
bool HasVar = S->getConditionVariableDeclStmt() != nullptr;
Record.push_back(HasInit);
Record.push_back(HasVar);
Record.push_back(S->isAllEnumCasesCovered());
Record.AddStmt(S->getCond());
Record.AddStmt(S->getBody());
if (HasInit)
Record.AddStmt(S->getInit());
if (HasVar)
Record.AddDeclRef(S->getConditionVariable());
Record.AddSourceLocation(S->getSwitchLoc());
for (SwitchCase *SC = S->getSwitchCaseList(); SC;
SC = SC->getNextSwitchCase())
Record.push_back(Writer.RecordSwitchCaseID(SC));
Code = serialization::STMT_SWITCH;
}
void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) {
VisitStmt(S);
bool HasVar = S->getConditionVariableDeclStmt() != nullptr;
Record.push_back(HasVar);
Record.AddStmt(S->getCond());
Record.AddStmt(S->getBody());
if (HasVar)
Record.AddDeclRef(S->getConditionVariable());
Record.AddSourceLocation(S->getWhileLoc());
Code = serialization::STMT_WHILE;
}
void ASTStmtWriter::VisitDoStmt(DoStmt *S) {
VisitStmt(S);
Record.AddStmt(S->getCond());
Record.AddStmt(S->getBody());
Record.AddSourceLocation(S->getDoLoc());
Record.AddSourceLocation(S->getWhileLoc());
Record.AddSourceLocation(S->getRParenLoc());
Code = serialization::STMT_DO;
}
void ASTStmtWriter::VisitForStmt(ForStmt *S) {
VisitStmt(S);
Record.AddStmt(S->getInit());
Record.AddStmt(S->getCond());
Record.AddDeclRef(S->getConditionVariable());
Record.AddStmt(S->getInc());
Record.AddStmt(S->getBody());
Record.AddSourceLocation(S->getForLoc());
Record.AddSourceLocation(S->getLParenLoc());
Record.AddSourceLocation(S->getRParenLoc());
Code = serialization::STMT_FOR;
}
void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) {
VisitStmt(S);
Record.AddDeclRef(S->getLabel());
Record.AddSourceLocation(S->getGotoLoc());
Record.AddSourceLocation(S->getLabelLoc());
Code = serialization::STMT_GOTO;
}
void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getGotoLoc());
Record.AddSourceLocation(S->getStarLoc());
Record.AddStmt(S->getTarget());
Code = serialization::STMT_INDIRECT_GOTO;
}
void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getContinueLoc());
Code = serialization::STMT_CONTINUE;
}
void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getBreakLoc());
Code = serialization::STMT_BREAK;
}
void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) {
VisitStmt(S);
bool HasNRVOCandidate = S->getNRVOCandidate() != nullptr;
Record.push_back(HasNRVOCandidate);
Record.AddStmt(S->getRetValue());
if (HasNRVOCandidate)
Record.AddDeclRef(S->getNRVOCandidate());
Record.AddSourceLocation(S->getReturnLoc());
Code = serialization::STMT_RETURN;
}
void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getBeginLoc());
Record.AddSourceLocation(S->getEndLoc());
DeclGroupRef DG = S->getDeclGroup();
for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D)
Record.AddDeclRef(*D);
Code = serialization::STMT_DECL;
}
void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) {
VisitStmt(S);
Record.push_back(S->getNumOutputs());
Record.push_back(S->getNumInputs());
Record.push_back(S->getNumClobbers());
Record.AddSourceLocation(S->getAsmLoc());
Record.push_back(S->isVolatile());
Record.push_back(S->isSimple());
}
void ASTStmtWriter::VisitGCCAsmStmt(GCCAsmStmt *S) {
VisitAsmStmt(S);
Record.push_back(S->getNumLabels());
Record.AddSourceLocation(S->getRParenLoc());
Record.AddStmt(S->getAsmString());
// Outputs
for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
Record.AddIdentifierRef(S->getOutputIdentifier(I));
Record.AddStmt(S->getOutputConstraintLiteral(I));
Record.AddStmt(S->getOutputExpr(I));
}
// Inputs
for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
Record.AddIdentifierRef(S->getInputIdentifier(I));
Record.AddStmt(S->getInputConstraintLiteral(I));
Record.AddStmt(S->getInputExpr(I));
}
// Clobbers
for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
Record.AddStmt(S->getClobberStringLiteral(I));
// Labels
for (auto *E : S->labels()) Record.AddStmt(E);
Code = serialization::STMT_GCCASM;
}
void ASTStmtWriter::VisitMSAsmStmt(MSAsmStmt *S) {
VisitAsmStmt(S);
Record.AddSourceLocation(S->getLBraceLoc());
Record.AddSourceLocation(S->getEndLoc());
Record.push_back(S->getNumAsmToks());
Record.AddString(S->getAsmString());
// Tokens
for (unsigned I = 0, N = S->getNumAsmToks(); I != N; ++I) {
// FIXME: Move this to ASTRecordWriter?
Writer.AddToken(S->getAsmToks()[I], Record.getRecordData());
}
// Clobbers
for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) {
Record.AddString(S->getClobber(I));
}
// Outputs
for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
Record.AddStmt(S->getOutputExpr(I));
Record.AddString(S->getOutputConstraint(I));
}
// Inputs
for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
Record.AddStmt(S->getInputExpr(I));
Record.AddString(S->getInputConstraint(I));
}
Code = serialization::STMT_MSASM;
}
void ASTStmtWriter::VisitCoroutineBodyStmt(CoroutineBodyStmt *CoroStmt) {
VisitStmt(CoroStmt);
Record.push_back(CoroStmt->getParamMoves().size());
for (Stmt *S : CoroStmt->children())
Record.AddStmt(S);
Code = serialization::STMT_COROUTINE_BODY;
}
void ASTStmtWriter::VisitCoreturnStmt(CoreturnStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getKeywordLoc());
Record.AddStmt(S->getOperand());
Record.AddStmt(S->getPromiseCall());
Record.push_back(S->isImplicit());
Code = serialization::STMT_CORETURN;
}
void ASTStmtWriter::VisitCoroutineSuspendExpr(CoroutineSuspendExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getKeywordLoc());
for (Stmt *S : E->children())
Record.AddStmt(S);
Record.AddStmt(E->getOpaqueValue());
}
void ASTStmtWriter::VisitCoawaitExpr(CoawaitExpr *E) {
VisitCoroutineSuspendExpr(E);
Record.push_back(E->isImplicit());
Code = serialization::EXPR_COAWAIT;
}
void ASTStmtWriter::VisitCoyieldExpr(CoyieldExpr *E) {
VisitCoroutineSuspendExpr(E);
Code = serialization::EXPR_COYIELD;
}
void ASTStmtWriter::VisitDependentCoawaitExpr(DependentCoawaitExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getKeywordLoc());
for (Stmt *S : E->children())
Record.AddStmt(S);
Code = serialization::EXPR_DEPENDENT_COAWAIT;
}
void ASTStmtWriter::VisitConceptSpecializationExpr(
ConceptSpecializationExpr *E) {
VisitExpr(E);
ArrayRef<TemplateArgument> TemplateArgs = E->getTemplateArguments();
Record.push_back(TemplateArgs.size());
Record.AddNestedNameSpecifierLoc(E->getNestedNameSpecifierLoc());
Record.AddSourceLocation(E->getTemplateKWLoc());
Record.AddSourceLocation(E->getConceptNameLoc());
Record.AddDeclRef(E->getFoundDecl());
Record.AddDeclRef(E->getNamedConcept());
Record.AddASTTemplateArgumentListInfo(E->getTemplateArgsAsWritten());
for (const TemplateArgument &Arg : TemplateArgs)
Record.AddTemplateArgument(Arg);
Record.push_back(E->isSatisfied());
Code = serialization::EXPR_CONCEPT_SPECIALIZATION;
}
void ASTStmtWriter::VisitCapturedStmt(CapturedStmt *S) {
VisitStmt(S);
// NumCaptures
Record.push_back(std::distance(S->capture_begin(), S->capture_end()));
// CapturedDecl and captured region kind
Record.AddDeclRef(S->getCapturedDecl());
Record.push_back(S->getCapturedRegionKind());
Record.AddDeclRef(S->getCapturedRecordDecl());
// Capture inits
for (auto *I : S->capture_inits())
Record.AddStmt(I);
// Body
Record.AddStmt(S->getCapturedStmt());
// Captures
for (const auto &I : S->captures()) {
if (I.capturesThis() || I.capturesVariableArrayType())
Record.AddDeclRef(nullptr);
else
Record.AddDeclRef(I.getCapturedVar());
Record.push_back(I.getCaptureKind());
Record.AddSourceLocation(I.getLocation());
}
Code = serialization::STMT_CAPTURED;
}
void ASTStmtWriter::VisitExpr(Expr *E) {
VisitStmt(E);
Record.AddTypeRef(E->getType());
Record.push_back(E->isTypeDependent());
Record.push_back(E->isValueDependent());
Record.push_back(E->isInstantiationDependent());
Record.push_back(E->containsUnexpandedParameterPack());
Record.push_back(E->getValueKind());
Record.push_back(E->getObjectKind());
}
void ASTStmtWriter::VisitConstantExpr(ConstantExpr *E) {
VisitExpr(E);
Record.push_back(static_cast<uint64_t>(E->ConstantExprBits.ResultKind));
switch (E->ConstantExprBits.ResultKind) {
case ConstantExpr::RSK_Int64:
Record.push_back(E->Int64Result());
Record.push_back(E->ConstantExprBits.IsUnsigned |
E->ConstantExprBits.BitWidth << 1);
break;
case ConstantExpr::RSK_APValue:
Record.AddAPValue(E->APValueResult());
}
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_CONSTANT;
}
void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) {
VisitExpr(E);
bool HasFunctionName = E->getFunctionName() != nullptr;
Record.push_back(HasFunctionName);
Record.push_back(E->getIdentKind()); // FIXME: stable encoding
Record.AddSourceLocation(E->getLocation());
if (HasFunctionName)
Record.AddStmt(E->getFunctionName());
Code = serialization::EXPR_PREDEFINED;
}
void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) {
VisitExpr(E);
Record.push_back(E->hasQualifier());
Record.push_back(E->getDecl() != E->getFoundDecl());
Record.push_back(E->hasTemplateKWAndArgsInfo());
Record.push_back(E->hadMultipleCandidates());
Record.push_back(E->refersToEnclosingVariableOrCapture());
Record.push_back(E->isNonOdrUse());
if (E->hasTemplateKWAndArgsInfo()) {
unsigned NumTemplateArgs = E->getNumTemplateArgs();
Record.push_back(NumTemplateArgs);
}
DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind());
if ((!E->hasTemplateKWAndArgsInfo()) && (!E->hasQualifier()) &&
(E->getDecl() == E->getFoundDecl()) &&
nk == DeclarationName::Identifier &&
!E->refersToEnclosingVariableOrCapture() && !E->isNonOdrUse()) {
AbbrevToUse = Writer.getDeclRefExprAbbrev();
}
if (E->hasQualifier())
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
if (E->getDecl() != E->getFoundDecl())
Record.AddDeclRef(E->getFoundDecl());
if (E->hasTemplateKWAndArgsInfo())
AddTemplateKWAndArgsInfo(*E->getTrailingObjects<ASTTemplateKWAndArgsInfo>(),
E->getTrailingObjects<TemplateArgumentLoc>());
Record.AddDeclRef(E->getDecl());
Record.AddSourceLocation(E->getLocation());
Record.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName());
Code = serialization::EXPR_DECL_REF;
}
void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLocation());
Record.AddAPInt(E->getValue());
if (E->getValue().getBitWidth() == 32) {
AbbrevToUse = Writer.getIntegerLiteralAbbrev();
}
Code = serialization::EXPR_INTEGER_LITERAL;
}
void ASTStmtWriter::VisitFixedPointLiteral(FixedPointLiteral *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLocation());
Record.AddAPInt(E->getValue());
Code = serialization::EXPR_INTEGER_LITERAL;
}
void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) {
VisitExpr(E);
Record.push_back(E->getRawSemantics());
Record.push_back(E->isExact());
Record.AddAPFloat(E->getValue());
Record.AddSourceLocation(E->getLocation());
Code = serialization::EXPR_FLOATING_LITERAL;
}
void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_IMAGINARY_LITERAL;
}
void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) {
VisitExpr(E);
// Store the various bits of data of StringLiteral.
Record.push_back(E->getNumConcatenated());
Record.push_back(E->getLength());
Record.push_back(E->getCharByteWidth());
Record.push_back(E->getKind());
Record.push_back(E->isPascal());
// Store the trailing array of SourceLocation.
for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
Record.AddSourceLocation(E->getStrTokenLoc(I));
// Store the trailing array of char holding the string data.
StringRef StrData = E->getBytes();
for (unsigned I = 0, N = E->getByteLength(); I != N; ++I)
Record.push_back(StrData[I]);
Code = serialization::EXPR_STRING_LITERAL;
}
void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) {
VisitExpr(E);
Record.push_back(E->getValue());
Record.AddSourceLocation(E->getLocation());
Record.push_back(E->getKind());
AbbrevToUse = Writer.getCharacterLiteralAbbrev();
Code = serialization::EXPR_CHARACTER_LITERAL;
}
void ASTStmtWriter::VisitParenExpr(ParenExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLParen());
Record.AddSourceLocation(E->getRParen());
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_PAREN;
}
void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumExprs());
for (auto *SubStmt : E->exprs())
Record.AddStmt(SubStmt);
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_PAREN_LIST;
}
void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Record.push_back(E->getOpcode()); // FIXME: stable encoding
Record.AddSourceLocation(E->getOperatorLoc());
Record.push_back(E->canOverflow());
Code = serialization::EXPR_UNARY_OPERATOR;
}
void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumComponents());
Record.push_back(E->getNumExpressions());
Record.AddSourceLocation(E->getOperatorLoc());
Record.AddSourceLocation(E->getRParenLoc());
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
const OffsetOfNode &ON = E->getComponent(I);
Record.push_back(ON.getKind()); // FIXME: Stable encoding
Record.AddSourceLocation(ON.getSourceRange().getBegin());
Record.AddSourceLocation(ON.getSourceRange().getEnd());
switch (ON.getKind()) {
case OffsetOfNode::Array:
Record.push_back(ON.getArrayExprIndex());
break;
case OffsetOfNode::Field:
Record.AddDeclRef(ON.getField());
break;
case OffsetOfNode::Identifier:
Record.AddIdentifierRef(ON.getFieldName());
break;
case OffsetOfNode::Base:
Record.AddCXXBaseSpecifier(*ON.getBase());
break;
}
}
for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
Record.AddStmt(E->getIndexExpr(I));
Code = serialization::EXPR_OFFSETOF;
}
void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) {
VisitExpr(E);
Record.push_back(E->getKind());
if (E->isArgumentType())
Record.AddTypeSourceInfo(E->getArgumentTypeInfo());
else {
Record.push_back(0);
Record.AddStmt(E->getArgumentExpr());
}
Record.AddSourceLocation(E->getOperatorLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_SIZEOF_ALIGN_OF;
}
void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getLHS());
Record.AddStmt(E->getRHS());
Record.AddSourceLocation(E->getRBracketLoc());
Code = serialization::EXPR_ARRAY_SUBSCRIPT;
}
void ASTStmtWriter::VisitOMPArraySectionExpr(OMPArraySectionExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.AddStmt(E->getLowerBound());
Record.AddStmt(E->getLength());
Record.AddSourceLocation(E->getColonLoc());
Record.AddSourceLocation(E->getRBracketLoc());
Code = serialization::EXPR_OMP_ARRAY_SECTION;
}
void ASTStmtWriter::VisitCallExpr(CallExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumArgs());
Record.AddSourceLocation(E->getRParenLoc());
Record.AddStmt(E->getCallee());
for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
Arg != ArgEnd; ++Arg)
Record.AddStmt(*Arg);
Record.push_back(static_cast<unsigned>(E->getADLCallKind()));
Code = serialization::EXPR_CALL;
}
void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) {
VisitExpr(E);
bool HasQualifier = E->hasQualifier();
bool HasFoundDecl =
E->hasQualifierOrFoundDecl() &&
(E->getFoundDecl().getDecl() != E->getMemberDecl() ||
E->getFoundDecl().getAccess() != E->getMemberDecl()->getAccess());
bool HasTemplateInfo = E->hasTemplateKWAndArgsInfo();
unsigned NumTemplateArgs = E->getNumTemplateArgs();
// Write these first for easy access when deserializing, as they affect the
// size of the MemberExpr.
Record.push_back(HasQualifier);
Record.push_back(HasFoundDecl);
Record.push_back(HasTemplateInfo);
Record.push_back(NumTemplateArgs);
Record.AddStmt(E->getBase());
Record.AddDeclRef(E->getMemberDecl());
Record.AddDeclarationNameLoc(E->MemberDNLoc,
E->getMemberDecl()->getDeclName());
Record.AddSourceLocation(E->getMemberLoc());
Record.push_back(E->isArrow());
Record.push_back(E->hadMultipleCandidates());
Record.push_back(E->isNonOdrUse());
Record.AddSourceLocation(E->getOperatorLoc());
if (HasFoundDecl) {
DeclAccessPair FoundDecl = E->getFoundDecl();
Record.AddDeclRef(FoundDecl.getDecl());
Record.push_back(FoundDecl.getAccess());
}
if (HasQualifier)
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
if (HasTemplateInfo)
AddTemplateKWAndArgsInfo(*E->getTrailingObjects<ASTTemplateKWAndArgsInfo>(),
E->getTrailingObjects<TemplateArgumentLoc>());
Code = serialization::EXPR_MEMBER;
}
void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.AddSourceLocation(E->getIsaMemberLoc());
Record.AddSourceLocation(E->getOpLoc());
Record.push_back(E->isArrow());
Code = serialization::EXPR_OBJC_ISA;
}
void ASTStmtWriter::
VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Record.push_back(E->shouldCopy());
Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE;
}
void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
VisitExplicitCastExpr(E);
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getBridgeKeywordLoc());
Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding
Code = serialization::EXPR_OBJC_BRIDGED_CAST;
}
void ASTStmtWriter::VisitCastExpr(CastExpr *E) {
VisitExpr(E);
Record.push_back(E->path_size());
Record.AddStmt(E->getSubExpr());
Record.push_back(E->getCastKind()); // FIXME: stable encoding
for (CastExpr::path_iterator
PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI)
Record.AddCXXBaseSpecifier(**PI);
}
void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) {
VisitExpr(E);
Record.AddStmt(E->getLHS());
Record.AddStmt(E->getRHS());
Record.push_back(E->getOpcode()); // FIXME: stable encoding
Record.AddSourceLocation(E->getOperatorLoc());
Record.push_back(E->getFPFeatures().getInt());
Code = serialization::EXPR_BINARY_OPERATOR;
}
void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
VisitBinaryOperator(E);
Record.AddTypeRef(E->getComputationLHSType());
Record.AddTypeRef(E->getComputationResultType());
Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR;
}
void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) {
VisitExpr(E);
Record.AddStmt(E->getCond());
Record.AddStmt(E->getLHS());
Record.AddStmt(E->getRHS());
Record.AddSourceLocation(E->getQuestionLoc());
Record.AddSourceLocation(E->getColonLoc());
Code = serialization::EXPR_CONDITIONAL_OPERATOR;
}
void
ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) {
VisitExpr(E);
Record.AddStmt(E->getOpaqueValue());
Record.AddStmt(E->getCommon());
Record.AddStmt(E->getCond());
Record.AddStmt(E->getTrueExpr());
Record.AddStmt(E->getFalseExpr());
Record.AddSourceLocation(E->getQuestionLoc());
Record.AddSourceLocation(E->getColonLoc());
Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR;
}
void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) {
VisitCastExpr(E);
Record.push_back(E->isPartOfExplicitCast());
if (E->path_size() == 0)
AbbrevToUse = Writer.getExprImplicitCastAbbrev();
Code = serialization::EXPR_IMPLICIT_CAST;
}
void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
VisitCastExpr(E);
Record.AddTypeSourceInfo(E->getTypeInfoAsWritten());
}
void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) {
VisitExplicitCastExpr(E);
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_CSTYLE_CAST;
}
void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLParenLoc());
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
Record.AddStmt(E->getInitializer());
Record.push_back(E->isFileScope());
Code = serialization::EXPR_COMPOUND_LITERAL;
}
void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.AddIdentifierRef(&E->getAccessor());
Record.AddSourceLocation(E->getAccessorLoc());
Code = serialization::EXPR_EXT_VECTOR_ELEMENT;
}
void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) {
VisitExpr(E);
// NOTE: only add the (possibly null) syntactic form.
// No need to serialize the isSemanticForm flag and the semantic form.
Record.AddStmt(E->getSyntacticForm());
Record.AddSourceLocation(E->getLBraceLoc());
Record.AddSourceLocation(E->getRBraceLoc());
bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>();
Record.push_back(isArrayFiller);
if (isArrayFiller)
Record.AddStmt(E->getArrayFiller());
else
Record.AddDeclRef(E->getInitializedFieldInUnion());
Record.push_back(E->hadArrayRangeDesignator());
Record.push_back(E->getNumInits());
if (isArrayFiller) {
// ArrayFiller may have filled "holes" due to designated initializer.
// Replace them by 0 to indicate that the filler goes in that place.
Expr *filler = E->getArrayFiller();
for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
Record.AddStmt(E->getInit(I) != filler ? E->getInit(I) : nullptr);
} else {
for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
Record.AddStmt(E->getInit(I));
}
Code = serialization::EXPR_INIT_LIST;
}
void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumSubExprs());
for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
Record.AddStmt(E->getSubExpr(I));
Record.AddSourceLocation(E->getEqualOrColonLoc());
Record.push_back(E->usesGNUSyntax());
for (const DesignatedInitExpr::Designator &D : E->designators()) {
if (D.isFieldDesignator()) {
if (FieldDecl *Field = D.getField()) {
Record.push_back(serialization::DESIG_FIELD_DECL);
Record.AddDeclRef(Field);
} else {
Record.push_back(serialization::DESIG_FIELD_NAME);
Record.AddIdentifierRef(D.getFieldName());
}
Record.AddSourceLocation(D.getDotLoc());
Record.AddSourceLocation(D.getFieldLoc());
} else if (D.isArrayDesignator()) {
Record.push_back(serialization::DESIG_ARRAY);
Record.push_back(D.getFirstExprIndex());
Record.AddSourceLocation(D.getLBracketLoc());
Record.AddSourceLocation(D.getRBracketLoc());
} else {
assert(D.isArrayRangeDesignator() && "Unknown designator");
Record.push_back(serialization::DESIG_ARRAY_RANGE);
Record.push_back(D.getFirstExprIndex());
Record.AddSourceLocation(D.getLBracketLoc());
Record.AddSourceLocation(D.getEllipsisLoc());
Record.AddSourceLocation(D.getRBracketLoc());
}
}
Code = serialization::EXPR_DESIGNATED_INIT;
}
void ASTStmtWriter::VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.AddStmt(E->getUpdater());
Code = serialization::EXPR_DESIGNATED_INIT_UPDATE;
}
void ASTStmtWriter::VisitNoInitExpr(NoInitExpr *E) {
VisitExpr(E);
Code = serialization::EXPR_NO_INIT;
}
void ASTStmtWriter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) {
VisitExpr(E);
Record.AddStmt(E->SubExprs[0]);
Record.AddStmt(E->SubExprs[1]);
Code = serialization::EXPR_ARRAY_INIT_LOOP;
}
void ASTStmtWriter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) {
VisitExpr(E);
Code = serialization::EXPR_ARRAY_INIT_INDEX;
}
void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
VisitExpr(E);
Code = serialization::EXPR_IMPLICIT_VALUE_INIT;
}
void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Record.AddTypeSourceInfo(E->getWrittenTypeInfo());
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Record.push_back(E->isMicrosoftABI());
Code = serialization::EXPR_VA_ARG;
}
void ASTStmtWriter::VisitSourceLocExpr(SourceLocExpr *E) {
VisitExpr(E);
Record.AddDeclRef(cast_or_null<Decl>(E->getParentContext()));
Record.AddSourceLocation(E->getBeginLoc());
Record.AddSourceLocation(E->getEndLoc());
Record.push_back(E->getIdentKind());
Code = serialization::EXPR_SOURCE_LOC;
}
void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getAmpAmpLoc());
Record.AddSourceLocation(E->getLabelLoc());
Record.AddDeclRef(E->getLabel());
Code = serialization::EXPR_ADDR_LABEL;
}
void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSubStmt());
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_STMT;
}
void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getCond());
Record.AddStmt(E->getLHS());
Record.AddStmt(E->getRHS());
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Record.push_back(E->isConditionDependent() ? false : E->isConditionTrue());
Code = serialization::EXPR_CHOOSE;
}
void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getTokenLocation());
Code = serialization::EXPR_GNU_NULL;
}
void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumSubExprs());
for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
Record.AddStmt(E->getExpr(I));
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_SHUFFLE_VECTOR;
}
void ASTStmtWriter::VisitConvertVectorExpr(ConvertVectorExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
Record.AddStmt(E->getSrcExpr());
Code = serialization::EXPR_CONVERT_VECTOR;
}
void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getBlockDecl());
Code = serialization::EXPR_BLOCK;
}
void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumAssocs());
Record.push_back(E->ResultIndex);
Record.AddSourceLocation(E->getGenericLoc());
Record.AddSourceLocation(E->getDefaultLoc());
Record.AddSourceLocation(E->getRParenLoc());
Stmt **Stmts = E->getTrailingObjects<Stmt *>();
// Add 1 to account for the controlling expression which is the first
// expression in the trailing array of Stmt *. This is not needed for
// the trailing array of TypeSourceInfo *.
for (unsigned I = 0, N = E->getNumAssocs() + 1; I < N; ++I)
Record.AddStmt(Stmts[I]);
TypeSourceInfo **TSIs = E->getTrailingObjects<TypeSourceInfo *>();
for (unsigned I = 0, N = E->getNumAssocs(); I < N; ++I)
Record.AddTypeSourceInfo(TSIs[I]);
Code = serialization::EXPR_GENERIC_SELECTION;
}
void ASTStmtWriter::VisitPseudoObjectExpr(PseudoObjectExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumSemanticExprs());
// Push the result index. Currently, this needs to exactly match
// the encoding used internally for ResultIndex.
unsigned result = E->getResultExprIndex();
result = (result == PseudoObjectExpr::NoResult ? 0 : result + 1);
Record.push_back(result);
Record.AddStmt(E->getSyntacticForm());
for (PseudoObjectExpr::semantics_iterator
i = E->semantics_begin(), e = E->semantics_end(); i != e; ++i) {
Record.AddStmt(*i);
}
Code = serialization::EXPR_PSEUDO_OBJECT;
}
void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) {
VisitExpr(E);
Record.push_back(E->getOp());
for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
Record.AddStmt(E->getSubExprs()[I]);
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_ATOMIC;
}
//===----------------------------------------------------------------------===//
// Objective-C Expressions and Statements.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) {
VisitExpr(E);
Record.AddStmt(E->getString());
Record.AddSourceLocation(E->getAtLoc());
Code = serialization::EXPR_OBJC_STRING_LITERAL;
}
void ASTStmtWriter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Record.AddDeclRef(E->getBoxingMethod());
Record.AddSourceRange(E->getSourceRange());
Code = serialization::EXPR_OBJC_BOXED_EXPRESSION;
}
void ASTStmtWriter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
VisitExpr(E);
Record.push_back(E->getNumElements());
for (unsigned i = 0; i < E->getNumElements(); i++)
Record.AddStmt(E->getElement(i));
Record.AddDeclRef(E->getArrayWithObjectsMethod());
Record.AddSourceRange(E->getSourceRange());
Code = serialization::EXPR_OBJC_ARRAY_LITERAL;
}
void ASTStmtWriter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
VisitExpr(E);
Record.push_back(E->getNumElements());
Record.push_back(E->HasPackExpansions);
for (unsigned i = 0; i < E->getNumElements(); i++) {
ObjCDictionaryElement Element = E->getKeyValueElement(i);
Record.AddStmt(Element.Key);
Record.AddStmt(Element.Value);
if (E->HasPackExpansions) {
Record.AddSourceLocation(Element.EllipsisLoc);
unsigned NumExpansions = 0;
if (Element.NumExpansions)
NumExpansions = *Element.NumExpansions + 1;
Record.push_back(NumExpansions);
}
}
Record.AddDeclRef(E->getDictWithObjectsMethod());
Record.AddSourceRange(E->getSourceRange());
Code = serialization::EXPR_OBJC_DICTIONARY_LITERAL;
}
void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
VisitExpr(E);
Record.AddTypeSourceInfo(E->getEncodedTypeSourceInfo());
Record.AddSourceLocation(E->getAtLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_OBJC_ENCODE;
}
void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
VisitExpr(E);
Record.AddSelectorRef(E->getSelector());
Record.AddSourceLocation(E->getAtLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_OBJC_SELECTOR_EXPR;
}
void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getProtocol());
Record.AddSourceLocation(E->getAtLoc());
Record.AddSourceLocation(E->ProtoLoc);
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_OBJC_PROTOCOL_EXPR;
}
void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getDecl());
Record.AddSourceLocation(E->getLocation());
Record.AddSourceLocation(E->getOpLoc());
Record.AddStmt(E->getBase());
Record.push_back(E->isArrow());
Record.push_back(E->isFreeIvar());
Code = serialization::EXPR_OBJC_IVAR_REF_EXPR;
}
void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
VisitExpr(E);
Record.push_back(E->SetterAndMethodRefFlags.getInt());
Record.push_back(E->isImplicitProperty());
if (E->isImplicitProperty()) {
Record.AddDeclRef(E->getImplicitPropertyGetter());
Record.AddDeclRef(E->getImplicitPropertySetter());
} else {
Record.AddDeclRef(E->getExplicitProperty());
}
Record.AddSourceLocation(E->getLocation());
Record.AddSourceLocation(E->getReceiverLocation());
if (E->isObjectReceiver()) {
Record.push_back(0);
Record.AddStmt(E->getBase());
} else if (E->isSuperReceiver()) {
Record.push_back(1);
Record.AddTypeRef(E->getSuperReceiverType());
} else {
Record.push_back(2);
Record.AddDeclRef(E->getClassReceiver());
}
Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR;
}
void ASTStmtWriter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getRBracket());
Record.AddStmt(E->getBaseExpr());
Record.AddStmt(E->getKeyExpr());
Record.AddDeclRef(E->getAtIndexMethodDecl());
Record.AddDeclRef(E->setAtIndexMethodDecl());
Code = serialization::EXPR_OBJC_SUBSCRIPT_REF_EXPR;
}
void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumArgs());
Record.push_back(E->getNumStoredSelLocs());
Record.push_back(E->SelLocsKind);
Record.push_back(E->isDelegateInitCall());
Record.push_back(E->IsImplicit);
Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding
switch (E->getReceiverKind()) {
case ObjCMessageExpr::Instance:
Record.AddStmt(E->getInstanceReceiver());
break;
case ObjCMessageExpr::Class:
Record.AddTypeSourceInfo(E->getClassReceiverTypeInfo());
break;
case ObjCMessageExpr::SuperClass:
case ObjCMessageExpr::SuperInstance:
Record.AddTypeRef(E->getSuperType());
Record.AddSourceLocation(E->getSuperLoc());
break;
}
if (E->getMethodDecl()) {
Record.push_back(1);
Record.AddDeclRef(E->getMethodDecl());
} else {
Record.push_back(0);
Record.AddSelectorRef(E->getSelector());
}
Record.AddSourceLocation(E->getLeftLoc());
Record.AddSourceLocation(E->getRightLoc());
for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
Arg != ArgEnd; ++Arg)
Record.AddStmt(*Arg);
SourceLocation *Locs = E->getStoredSelLocs();
for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i)
Record.AddSourceLocation(Locs[i]);
Code = serialization::EXPR_OBJC_MESSAGE_EXPR;
}
void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
VisitStmt(S);
Record.AddStmt(S->getElement());
Record.AddStmt(S->getCollection());
Record.AddStmt(S->getBody());
Record.AddSourceLocation(S->getForLoc());
Record.AddSourceLocation(S->getRParenLoc());
Code = serialization::STMT_OBJC_FOR_COLLECTION;
}
void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
VisitStmt(S);
Record.AddStmt(S->getCatchBody());
Record.AddDeclRef(S->getCatchParamDecl());
Record.AddSourceLocation(S->getAtCatchLoc());
Record.AddSourceLocation(S->getRParenLoc());
Code = serialization::STMT_OBJC_CATCH;
}
void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
VisitStmt(S);
Record.AddStmt(S->getFinallyBody());
Record.AddSourceLocation(S->getAtFinallyLoc());
Code = serialization::STMT_OBJC_FINALLY;
}
void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) {
VisitStmt(S); // FIXME: no test coverage.
Record.AddStmt(S->getSubStmt());
Record.AddSourceLocation(S->getAtLoc());
Code = serialization::STMT_OBJC_AUTORELEASE_POOL;
}
void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
VisitStmt(S);
Record.push_back(S->getNumCatchStmts());
Record.push_back(S->getFinallyStmt() != nullptr);
Record.AddStmt(S->getTryBody());
for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
Record.AddStmt(S->getCatchStmt(I));
if (S->getFinallyStmt())
Record.AddStmt(S->getFinallyStmt());
Record.AddSourceLocation(S->getAtTryLoc());
Code = serialization::STMT_OBJC_AT_TRY;
}
void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
VisitStmt(S); // FIXME: no test coverage.
Record.AddStmt(S->getSynchExpr());
Record.AddStmt(S->getSynchBody());
Record.AddSourceLocation(S->getAtSynchronizedLoc());
Code = serialization::STMT_OBJC_AT_SYNCHRONIZED;
}
void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
VisitStmt(S); // FIXME: no test coverage.
Record.AddStmt(S->getThrowExpr());
Record.AddSourceLocation(S->getThrowLoc());
Code = serialization::STMT_OBJC_AT_THROW;
}
void ASTStmtWriter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) {
VisitExpr(E);
Record.push_back(E->getValue());
Record.AddSourceLocation(E->getLocation());
Code = serialization::EXPR_OBJC_BOOL_LITERAL;
}
void ASTStmtWriter::VisitObjCAvailabilityCheckExpr(ObjCAvailabilityCheckExpr *E) {
VisitExpr(E);
Record.AddSourceRange(E->getSourceRange());
Record.AddVersionTuple(E->getVersion());
Code = serialization::EXPR_OBJC_AVAILABILITY_CHECK;
}
//===----------------------------------------------------------------------===//
// C++ Expressions and Statements.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getCatchLoc());
Record.AddDeclRef(S->getExceptionDecl());
Record.AddStmt(S->getHandlerBlock());
Code = serialization::STMT_CXX_CATCH;
}
void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) {
VisitStmt(S);
Record.push_back(S->getNumHandlers());
Record.AddSourceLocation(S->getTryLoc());
Record.AddStmt(S->getTryBlock());
for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
Record.AddStmt(S->getHandler(i));
Code = serialization::STMT_CXX_TRY;
}
void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getForLoc());
Record.AddSourceLocation(S->getCoawaitLoc());
Record.AddSourceLocation(S->getColonLoc());
Record.AddSourceLocation(S->getRParenLoc());
Record.AddStmt(S->getInit());
Record.AddStmt(S->getRangeStmt());
Record.AddStmt(S->getBeginStmt());
Record.AddStmt(S->getEndStmt());
Record.AddStmt(S->getCond());
Record.AddStmt(S->getInc());
Record.AddStmt(S->getLoopVarStmt());
Record.AddStmt(S->getBody());
Code = serialization::STMT_CXX_FOR_RANGE;
}
void ASTStmtWriter::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getKeywordLoc());
Record.push_back(S->isIfExists());
Record.AddNestedNameSpecifierLoc(S->getQualifierLoc());
Record.AddDeclarationNameInfo(S->getNameInfo());
Record.AddStmt(S->getSubStmt());
Code = serialization::STMT_MS_DEPENDENT_EXISTS;
}
void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
VisitCallExpr(E);
Record.push_back(E->getOperator());
Record.push_back(E->getFPFeatures().getInt());
Record.AddSourceRange(E->Range);
Code = serialization::EXPR_CXX_OPERATOR_CALL;
}
void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
VisitCallExpr(E);
Code = serialization::EXPR_CXX_MEMBER_CALL;
}
void ASTStmtWriter::VisitCXXRewrittenBinaryOperator(
CXXRewrittenBinaryOperator *E) {
VisitExpr(E);
Record.push_back(E->isReversed());
Record.AddStmt(E->getSemanticForm());
Code = serialization::EXPR_CXX_REWRITTEN_BINARY_OPERATOR;
}
void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumArgs());
Record.push_back(E->isElidable());
Record.push_back(E->hadMultipleCandidates());
Record.push_back(E->isListInitialization());
Record.push_back(E->isStdInitListInitialization());
Record.push_back(E->requiresZeroInitialization());
Record.push_back(E->getConstructionKind()); // FIXME: stable encoding
Record.AddSourceLocation(E->getLocation());
Record.AddDeclRef(E->getConstructor());
Record.AddSourceRange(E->getParenOrBraceRange());
for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
Record.AddStmt(E->getArg(I));
Code = serialization::EXPR_CXX_CONSTRUCT;
}
void ASTStmtWriter::VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getConstructor());
Record.AddSourceLocation(E->getLocation());
Record.push_back(E->constructsVBase());
Record.push_back(E->inheritedFromVBase());
Code = serialization::EXPR_CXX_INHERITED_CTOR_INIT;
}
void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
VisitCXXConstructExpr(E);
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
Code = serialization::EXPR_CXX_TEMPORARY_OBJECT;
}
void ASTStmtWriter::VisitLambdaExpr(LambdaExpr *E) {
VisitExpr(E);
Record.push_back(E->NumCaptures);
Record.AddSourceRange(E->IntroducerRange);
Record.push_back(E->CaptureDefault); // FIXME: stable encoding
Record.AddSourceLocation(E->CaptureDefaultLoc);
Record.push_back(E->ExplicitParams);
Record.push_back(E->ExplicitResultType);
Record.AddSourceLocation(E->ClosingBrace);
// Add capture initializers.
for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(),
CEnd = E->capture_init_end();
C != CEnd; ++C) {
Record.AddStmt(*C);
}
Code = serialization::EXPR_LAMBDA;
}
void ASTStmtWriter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_CXX_STD_INITIALIZER_LIST;
}
void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
VisitExplicitCastExpr(E);
Record.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()));
Record.AddSourceRange(E->getAngleBrackets());
}
void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
VisitCXXNamedCastExpr(E);
Code = serialization::EXPR_CXX_STATIC_CAST;
}
void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
VisitCXXNamedCastExpr(E);
Code = serialization::EXPR_CXX_DYNAMIC_CAST;
}
void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
VisitCXXNamedCastExpr(E);
Code = serialization::EXPR_CXX_REINTERPRET_CAST;
}
void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
VisitCXXNamedCastExpr(E);
Code = serialization::EXPR_CXX_CONST_CAST;
}
void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
VisitExplicitCastExpr(E);
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_CXX_FUNCTIONAL_CAST;
}
void ASTStmtWriter::VisitBuiltinBitCastExpr(BuiltinBitCastExpr *E) {
VisitExplicitCastExpr(E);
Record.AddSourceLocation(E->getBeginLoc());
Record.AddSourceLocation(E->getEndLoc());
}
void ASTStmtWriter::VisitUserDefinedLiteral(UserDefinedLiteral *E) {
VisitCallExpr(E);
Record.AddSourceLocation(E->UDSuffixLoc);
Code = serialization::EXPR_USER_DEFINED_LITERAL;
}
void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
VisitExpr(E);
Record.push_back(E->getValue());
Record.AddSourceLocation(E->getLocation());
Code = serialization::EXPR_CXX_BOOL_LITERAL;
}
void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLocation());
Code = serialization::EXPR_CXX_NULL_PTR_LITERAL;
}
void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
VisitExpr(E);
Record.AddSourceRange(E->getSourceRange());
if (E->isTypeOperand()) {
Record.AddTypeSourceInfo(E->getTypeOperandSourceInfo());
Code = serialization::EXPR_CXX_TYPEID_TYPE;
} else {
Record.AddStmt(E->getExprOperand());
Code = serialization::EXPR_CXX_TYPEID_EXPR;
}
}
void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getLocation());
Record.push_back(E->isImplicit());
Code = serialization::EXPR_CXX_THIS;
}
void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getThrowLoc());
Record.AddStmt(E->getSubExpr());
Record.push_back(E->isThrownVariableInScope());
Code = serialization::EXPR_CXX_THROW;
}
void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getParam());
Record.AddDeclRef(cast_or_null<Decl>(E->getUsedContext()));
Record.AddSourceLocation(E->getUsedLocation());
Code = serialization::EXPR_CXX_DEFAULT_ARG;
}
void ASTStmtWriter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getField());
Record.AddDeclRef(cast_or_null<Decl>(E->getUsedContext()));
Record.AddSourceLocation(E->getExprLoc());
Code = serialization::EXPR_CXX_DEFAULT_INIT;
}
void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
VisitExpr(E);
Record.AddCXXTemporary(E->getTemporary());
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_CXX_BIND_TEMPORARY;
}
void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
VisitExpr(E);
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT;
}
void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) {
VisitExpr(E);
Record.push_back(E->isArray());
Record.push_back(E->hasInitializer());
Record.push_back(E->getNumPlacementArgs());
Record.push_back(E->isParenTypeId());
Record.push_back(E->isGlobalNew());
Record.push_back(E->passAlignment());
Record.push_back(E->doesUsualArrayDeleteWantSize());
Record.push_back(E->CXXNewExprBits.StoredInitializationStyle);
Record.AddDeclRef(E->getOperatorNew());
Record.AddDeclRef(E->getOperatorDelete());
Record.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo());
if (E->isParenTypeId())
Record.AddSourceRange(E->getTypeIdParens());
Record.AddSourceRange(E->getSourceRange());
Record.AddSourceRange(E->getDirectInitRange());
for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), N = E->raw_arg_end();
I != N; ++I)
Record.AddStmt(*I);
Code = serialization::EXPR_CXX_NEW;
}
void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
VisitExpr(E);
Record.push_back(E->isGlobalDelete());
Record.push_back(E->isArrayForm());
Record.push_back(E->isArrayFormAsWritten());
Record.push_back(E->doesUsualArrayDeleteWantSize());
Record.AddDeclRef(E->getOperatorDelete());
Record.AddStmt(E->getArgument());
Record.AddSourceLocation(E->getBeginLoc());
Code = serialization::EXPR_CXX_DELETE;
}
void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.push_back(E->isArrow());
Record.AddSourceLocation(E->getOperatorLoc());
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
Record.AddTypeSourceInfo(E->getScopeTypeInfo());
Record.AddSourceLocation(E->getColonColonLoc());
Record.AddSourceLocation(E->getTildeLoc());
// PseudoDestructorTypeStorage.
Record.AddIdentifierRef(E->getDestroyedTypeIdentifier());
if (E->getDestroyedTypeIdentifier())
Record.AddSourceLocation(E->getDestroyedTypeLoc());
else
Record.AddTypeSourceInfo(E->getDestroyedTypeInfo());
Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR;
}
void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) {
VisitExpr(E);
Record.push_back(E->getNumObjects());
for (unsigned i = 0, e = E->getNumObjects(); i != e; ++i)
Record.AddDeclRef(E->getObject(i));
Record.push_back(E->cleanupsHaveSideEffects());
Record.AddStmt(E->getSubExpr());
Code = serialization::EXPR_EXPR_WITH_CLEANUPS;
}
void ASTStmtWriter::VisitCXXDependentScopeMemberExpr(
CXXDependentScopeMemberExpr *E) {
VisitExpr(E);
// Don't emit anything here (or if you do you will have to update
// the corresponding deserialization function).
Record.push_back(E->hasTemplateKWAndArgsInfo());
Record.push_back(E->getNumTemplateArgs());
Record.push_back(E->hasFirstQualifierFoundInScope());
if (E->hasTemplateKWAndArgsInfo()) {
const ASTTemplateKWAndArgsInfo &ArgInfo =
*E->getTrailingObjects<ASTTemplateKWAndArgsInfo>();
AddTemplateKWAndArgsInfo(ArgInfo,
E->getTrailingObjects<TemplateArgumentLoc>());
}
Record.push_back(E->isArrow());
Record.AddSourceLocation(E->getOperatorLoc());
Record.AddTypeRef(E->getBaseType());
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
if (!E->isImplicitAccess())
Record.AddStmt(E->getBase());
else
Record.AddStmt(nullptr);
if (E->hasFirstQualifierFoundInScope())
Record.AddDeclRef(E->getFirstQualifierFoundInScope());
Record.AddDeclarationNameInfo(E->MemberNameInfo);
Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER;
}
void
ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
VisitExpr(E);
// Don't emit anything here, HasTemplateKWAndArgsInfo must be
// emitted first.
Record.push_back(E->DependentScopeDeclRefExprBits.HasTemplateKWAndArgsInfo);
if (E->DependentScopeDeclRefExprBits.HasTemplateKWAndArgsInfo) {
const ASTTemplateKWAndArgsInfo &ArgInfo =
*E->getTrailingObjects<ASTTemplateKWAndArgsInfo>();
Record.push_back(ArgInfo.NumTemplateArgs);
AddTemplateKWAndArgsInfo(ArgInfo,
E->getTrailingObjects<TemplateArgumentLoc>());
}
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
Record.AddDeclarationNameInfo(E->NameInfo);
Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF;
}
void
ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
VisitExpr(E);
Record.push_back(E->arg_size());
for (CXXUnresolvedConstructExpr::arg_iterator
ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI)
Record.AddStmt(*ArgI);
Record.AddTypeSourceInfo(E->getTypeSourceInfo());
Record.AddSourceLocation(E->getLParenLoc());
Record.AddSourceLocation(E->getRParenLoc());
Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT;
}
void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumDecls());
Record.push_back(E->hasTemplateKWAndArgsInfo());
if (E->hasTemplateKWAndArgsInfo()) {
const ASTTemplateKWAndArgsInfo &ArgInfo =
*E->getTrailingASTTemplateKWAndArgsInfo();
Record.push_back(ArgInfo.NumTemplateArgs);
AddTemplateKWAndArgsInfo(ArgInfo, E->getTrailingTemplateArgumentLoc());
}
for (OverloadExpr::decls_iterator OvI = E->decls_begin(),
OvE = E->decls_end();
OvI != OvE; ++OvI) {
Record.AddDeclRef(OvI.getDecl());
Record.push_back(OvI.getAccess());
}
Record.AddDeclarationNameInfo(E->getNameInfo());
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
}
void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
VisitOverloadExpr(E);
Record.push_back(E->isArrow());
Record.push_back(E->hasUnresolvedUsing());
Record.AddStmt(!E->isImplicitAccess() ? E->getBase() : nullptr);
Record.AddTypeRef(E->getBaseType());
Record.AddSourceLocation(E->getOperatorLoc());
Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER;
}
void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
VisitOverloadExpr(E);
Record.push_back(E->requiresADL());
Record.push_back(E->isOverloaded());
Record.AddDeclRef(E->getNamingClass());
Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP;
}
void ASTStmtWriter::VisitTypeTraitExpr(TypeTraitExpr *E) {
VisitExpr(E);
Record.push_back(E->TypeTraitExprBits.NumArgs);
Record.push_back(E->TypeTraitExprBits.Kind); // FIXME: Stable encoding
Record.push_back(E->TypeTraitExprBits.Value);
Record.AddSourceRange(E->getSourceRange());
for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
Record.AddTypeSourceInfo(E->getArg(I));
Code = serialization::EXPR_TYPE_TRAIT;
}
void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
VisitExpr(E);
Record.push_back(E->getTrait());
Record.push_back(E->getValue());
Record.AddSourceRange(E->getSourceRange());
Record.AddTypeSourceInfo(E->getQueriedTypeSourceInfo());
Record.AddStmt(E->getDimensionExpression());
Code = serialization::EXPR_ARRAY_TYPE_TRAIT;
}
void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
VisitExpr(E);
Record.push_back(E->getTrait());
Record.push_back(E->getValue());
Record.AddSourceRange(E->getSourceRange());
Record.AddStmt(E->getQueriedExpression());
Code = serialization::EXPR_CXX_EXPRESSION_TRAIT;
}
void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
VisitExpr(E);
Record.push_back(E->getValue());
Record.AddSourceRange(E->getSourceRange());
Record.AddStmt(E->getOperand());
Code = serialization::EXPR_CXX_NOEXCEPT;
}
void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getEllipsisLoc());
Record.push_back(E->NumExpansions);
Record.AddStmt(E->getPattern());
Code = serialization::EXPR_PACK_EXPANSION;
}
void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
VisitExpr(E);
Record.push_back(E->isPartiallySubstituted() ? E->getPartialArguments().size()
: 0);
Record.AddSourceLocation(E->OperatorLoc);
Record.AddSourceLocation(E->PackLoc);
Record.AddSourceLocation(E->RParenLoc);
Record.AddDeclRef(E->Pack);
if (E->isPartiallySubstituted()) {
for (const auto &TA : E->getPartialArguments())
Record.AddTemplateArgument(TA);
} else if (!E->isValueDependent()) {
Record.push_back(E->getPackLength());
}
Code = serialization::EXPR_SIZEOF_PACK;
}
void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr(
SubstNonTypeTemplateParmExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getParameter());
Record.AddSourceLocation(E->getNameLoc());
Record.AddStmt(E->getReplacement());
Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM;
}
void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr(
SubstNonTypeTemplateParmPackExpr *E) {
VisitExpr(E);
Record.AddDeclRef(E->getParameterPack());
Record.AddTemplateArgument(E->getArgumentPack());
Record.AddSourceLocation(E->getParameterPackLocation());
Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK;
}
void ASTStmtWriter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
VisitExpr(E);
Record.push_back(E->getNumExpansions());
Record.AddDeclRef(E->getParameterPack());
Record.AddSourceLocation(E->getParameterPackLocation());
for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end();
I != End; ++I)
Record.AddDeclRef(*I);
Code = serialization::EXPR_FUNCTION_PARM_PACK;
}
void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getTemporary());
Record.AddDeclRef(E->getExtendingDecl());
Record.push_back(E->getManglingNumber());
Code = serialization::EXPR_MATERIALIZE_TEMPORARY;
}
void ASTStmtWriter::VisitCXXFoldExpr(CXXFoldExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->LParenLoc);
Record.AddSourceLocation(E->EllipsisLoc);
Record.AddSourceLocation(E->RParenLoc);
Record.push_back(E->NumExpansions);
Record.AddStmt(E->SubExprs[0]);
Record.AddStmt(E->SubExprs[1]);
Record.push_back(E->Opcode);
Code = serialization::EXPR_CXX_FOLD;
}
void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getSourceExpr());
Record.AddSourceLocation(E->getLocation());
Record.push_back(E->isUnique());
Code = serialization::EXPR_OPAQUE_VALUE;
}
void ASTStmtWriter::VisitTypoExpr(TypoExpr *E) {
VisitExpr(E);
// TODO: Figure out sane writer behavior for a TypoExpr, if necessary
llvm_unreachable("Cannot write TypoExpr nodes");
}
//===----------------------------------------------------------------------===//
// CUDA Expressions and Statements.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) {
VisitCallExpr(E);
Record.AddStmt(E->getConfig());
Code = serialization::EXPR_CUDA_KERNEL_CALL;
}
//===----------------------------------------------------------------------===//
// OpenCL Expressions and Statements.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) {
VisitExpr(E);
Record.AddSourceLocation(E->getBuiltinLoc());
Record.AddSourceLocation(E->getRParenLoc());
Record.AddStmt(E->getSrcExpr());
Code = serialization::EXPR_ASTYPE;
}
//===----------------------------------------------------------------------===//
// Microsoft Expressions and Statements.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
VisitExpr(E);
Record.push_back(E->isArrow());
Record.AddStmt(E->getBaseExpr());
Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
Record.AddSourceLocation(E->getMemberLoc());
Record.AddDeclRef(E->getPropertyDecl());
Code = serialization::EXPR_CXX_PROPERTY_REF_EXPR;
}
void ASTStmtWriter::VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr *E) {
VisitExpr(E);
Record.AddStmt(E->getBase());
Record.AddStmt(E->getIdx());
Record.AddSourceLocation(E->getRBracketLoc());
Code = serialization::EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR;
}
void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
VisitExpr(E);
Record.AddSourceRange(E->getSourceRange());
Record.AddString(E->getUuidStr());
if (E->isTypeOperand()) {
Record.AddTypeSourceInfo(E->getTypeOperandSourceInfo());
Code = serialization::EXPR_CXX_UUIDOF_TYPE;
} else {
Record.AddStmt(E->getExprOperand());
Code = serialization::EXPR_CXX_UUIDOF_EXPR;
}
}
void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getExceptLoc());
Record.AddStmt(S->getFilterExpr());
Record.AddStmt(S->getBlock());
Code = serialization::STMT_SEH_EXCEPT;
}
void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getFinallyLoc());
Record.AddStmt(S->getBlock());
Code = serialization::STMT_SEH_FINALLY;
}
void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) {
VisitStmt(S);
Record.push_back(S->getIsCXXTry());
Record.AddSourceLocation(S->getTryLoc());
Record.AddStmt(S->getTryBlock());
Record.AddStmt(S->getHandler());
Code = serialization::STMT_SEH_TRY;
}
void ASTStmtWriter::VisitSEHLeaveStmt(SEHLeaveStmt *S) {
VisitStmt(S);
Record.AddSourceLocation(S->getLeaveLoc());
Code = serialization::STMT_SEH_LEAVE;
}
//===----------------------------------------------------------------------===//
// OpenMP Directives.
//===----------------------------------------------------------------------===//
void ASTStmtWriter::VisitOMPExecutableDirective(OMPExecutableDirective *E) {
Record.AddSourceLocation(E->getBeginLoc());
Record.AddSourceLocation(E->getEndLoc());
OMPClauseWriter ClauseWriter(Record);
for (unsigned i = 0; i < E->getNumClauses(); ++i) {
ClauseWriter.writeClause(E->getClause(i));
}
if (E->hasAssociatedStmt())
Record.AddStmt(E->getAssociatedStmt());
}
void ASTStmtWriter::VisitOMPLoopDirective(OMPLoopDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
Record.push_back(D->getCollapsedNumber());
VisitOMPExecutableDirective(D);
Record.AddStmt(D->getIterationVariable());
Record.AddStmt(D->getLastIteration());
Record.AddStmt(D->getCalcLastIteration());
Record.AddStmt(D->getPreCond());
Record.AddStmt(D->getCond());
Record.AddStmt(D->getInit());
Record.AddStmt(D->getInc());
Record.AddStmt(D->getPreInits());
if (isOpenMPWorksharingDirective(D->getDirectiveKind()) ||
isOpenMPTaskLoopDirective(D->getDirectiveKind()) ||
isOpenMPDistributeDirective(D->getDirectiveKind())) {
Record.AddStmt(D->getIsLastIterVariable());
Record.AddStmt(D->getLowerBoundVariable());
Record.AddStmt(D->getUpperBoundVariable());
Record.AddStmt(D->getStrideVariable());
Record.AddStmt(D->getEnsureUpperBound());
Record.AddStmt(D->getNextLowerBound());
Record.AddStmt(D->getNextUpperBound());
Record.AddStmt(D->getNumIterations());
}
if (isOpenMPLoopBoundSharingDirective(D->getDirectiveKind())) {
Record.AddStmt(D->getPrevLowerBoundVariable());
Record.AddStmt(D->getPrevUpperBoundVariable());
Record.AddStmt(D->getDistInc());
Record.AddStmt(D->getPrevEnsureUpperBound());
Record.AddStmt(D->getCombinedLowerBoundVariable());
Record.AddStmt(D->getCombinedUpperBoundVariable());
Record.AddStmt(D->getCombinedEnsureUpperBound());
Record.AddStmt(D->getCombinedInit());
Record.AddStmt(D->getCombinedCond());
Record.AddStmt(D->getCombinedNextLowerBound());
Record.AddStmt(D->getCombinedNextUpperBound());
Record.AddStmt(D->getCombinedDistCond());
Record.AddStmt(D->getCombinedParForInDistCond());
}
for (auto I : D->counters()) {
Record.AddStmt(I);
}
for (auto I : D->private_counters()) {
Record.AddStmt(I);
}
for (auto I : D->inits()) {
Record.AddStmt(I);
}
for (auto I : D->updates()) {
Record.AddStmt(I);
}
for (auto I : D->finals()) {
Record.AddStmt(I);
}
for (Stmt *S : D->dependent_counters())
Record.AddStmt(S);
for (Stmt *S : D->dependent_inits())
Record.AddStmt(S);
for (Stmt *S : D->finals_conditions())
Record.AddStmt(S);
}
void ASTStmtWriter::VisitOMPParallelDirective(OMPParallelDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_PARALLEL_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPSimdDirective(OMPSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPForDirective(OMPForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPForSimdDirective(OMPForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPSectionsDirective(OMPSectionsDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_SECTIONS_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPSectionDirective(OMPSectionDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_SECTION_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPSingleDirective(OMPSingleDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_SINGLE_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPMasterDirective(OMPMasterDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_MASTER_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPCriticalDirective(OMPCriticalDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.AddDeclarationNameInfo(D->getDirectiveName());
Code = serialization::STMT_OMP_CRITICAL_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPParallelForDirective(OMPParallelForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_PARALLEL_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPParallelForSimdDirective(
OMPParallelForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPParallelSectionsDirective(
OMPParallelSectionsDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskDirective(OMPTaskDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_TASK_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPAtomicDirective(OMPAtomicDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.AddStmt(D->getX());
Record.AddStmt(D->getV());
Record.AddStmt(D->getExpr());
Record.AddStmt(D->getUpdateExpr());
Record.push_back(D->isXLHSInRHSPart() ? 1 : 0);
Record.push_back(D->isPostfixUpdate() ? 1 : 0);
Code = serialization::STMT_OMP_ATOMIC_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetDirective(OMPTargetDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetDataDirective(OMPTargetDataDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_DATA_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetEnterDataDirective(
OMPTargetEnterDataDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetExitDataDirective(
OMPTargetExitDataDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetParallelDirective(
OMPTargetParallelDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_PARALLEL_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetParallelForDirective(
OMPTargetParallelForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TASKYIELD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPBarrierDirective(OMPBarrierDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_BARRIER_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TASKWAIT_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskgroupDirective(OMPTaskgroupDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.AddStmt(D->getReductionRef());
Code = serialization::STMT_OMP_TASKGROUP_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPFlushDirective(OMPFlushDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_FLUSH_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPOrderedDirective(OMPOrderedDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_ORDERED_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTeamsDirective(OMPTeamsDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TEAMS_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPCancellationPointDirective(
OMPCancellationPointDirective *D) {
VisitStmt(D);
VisitOMPExecutableDirective(D);
Record.push_back(D->getCancelRegion());
Code = serialization::STMT_OMP_CANCELLATION_POINT_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPCancelDirective(OMPCancelDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Record.push_back(D->getCancelRegion());
Code = serialization::STMT_OMP_CANCEL_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TASKLOOP_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskLoopSimdDirective(OMPTaskLoopSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TASKLOOP_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPMasterTaskLoopDirective(
OMPMasterTaskLoopDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_MASTER_TASKLOOP_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPMasterTaskLoopSimdDirective(
OMPMasterTaskLoopSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_MASTER_TASKLOOP_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPParallelMasterTaskLoopDirective(
OMPParallelMasterTaskLoopDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_PARALLEL_MASTER_TASKLOOP_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPDistributeDirective(OMPDistributeDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_DISTRIBUTE_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetUpdateDirective(OMPTargetUpdateDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_UPDATE_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPDistributeParallelForDirective(
OMPDistributeParallelForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPDistributeParallelForSimdDirective(
OMPDistributeParallelForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPDistributeSimdDirective(
OMPDistributeSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetParallelForSimdDirective(
OMPTargetParallelForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetSimdDirective(OMPTargetSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TARGET_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTeamsDistributeDirective(
OMPTeamsDistributeDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTeamsDistributeSimdDirective(
OMPTeamsDistributeSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTeamsDistributeParallelForSimdDirective(
OMPTeamsDistributeParallelForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTeamsDistributeParallelForDirective(
OMPTeamsDistributeParallelForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetTeamsDirective(OMPTargetTeamsDirective *D) {
VisitStmt(D);
Record.push_back(D->getNumClauses());
VisitOMPExecutableDirective(D);
Code = serialization::STMT_OMP_TARGET_TEAMS_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetTeamsDistributeDirective(
OMPTargetTeamsDistributeDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetTeamsDistributeParallelForDirective(
OMPTargetTeamsDistributeParallelForDirective *D) {
VisitOMPLoopDirective(D);
Record.push_back(D->hasCancel() ? 1 : 0);
Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetTeamsDistributeParallelForSimdDirective(
OMPTargetTeamsDistributeParallelForSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::
STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTargetTeamsDistributeSimdDirective(
OMPTargetTeamsDistributeSimdDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE;
}
//===----------------------------------------------------------------------===//
// ASTWriter Implementation
//===----------------------------------------------------------------------===//
unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) {
assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() &&
"SwitchCase recorded twice");
unsigned NextID = SwitchCaseIDs.size();
SwitchCaseIDs[S] = NextID;
return NextID;
}
unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) {
assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() &&
"SwitchCase hasn't been seen yet");
return SwitchCaseIDs[S];
}
void ASTWriter::ClearSwitchCaseIDs() {
SwitchCaseIDs.clear();
}
/// Write the given substatement or subexpression to the
/// bitstream.
void ASTWriter::WriteSubStmt(Stmt *S) {
RecordData Record;
ASTStmtWriter Writer(*this, Record);
++NumStatements;
if (!S) {
Stream.EmitRecord(serialization::STMT_NULL_PTR, Record);
return;
}
llvm::DenseMap<Stmt *, uint64_t>::iterator I = SubStmtEntries.find(S);
if (I != SubStmtEntries.end()) {
Record.push_back(I->second);
Stream.EmitRecord(serialization::STMT_REF_PTR, Record);
return;
}
#ifndef NDEBUG
assert(!ParentStmts.count(S) && "There is a Stmt cycle!");
struct ParentStmtInserterRAII {
Stmt *S;
llvm::DenseSet<Stmt *> &ParentStmts;
ParentStmtInserterRAII(Stmt *S, llvm::DenseSet<Stmt *> &ParentStmts)
: S(S), ParentStmts(ParentStmts) {
ParentStmts.insert(S);
}
~ParentStmtInserterRAII() {
ParentStmts.erase(S);
}
};
ParentStmtInserterRAII ParentStmtInserter(S, ParentStmts);
#endif
Writer.Visit(S);
uint64_t Offset = Writer.Emit();
SubStmtEntries[S] = Offset;
}
/// Flush all of the statements that have been added to the
/// queue via AddStmt().
void ASTRecordWriter::FlushStmts() {
// We expect to be the only consumer of the two temporary statement maps,
// assert that they are empty.
assert(Writer->SubStmtEntries.empty() && "unexpected entries in sub-stmt map");
assert(Writer->ParentStmts.empty() && "unexpected entries in parent stmt map");
for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
Writer->WriteSubStmt(StmtsToEmit[I]);
assert(N == StmtsToEmit.size() && "record modified while being written!");
// Note that we are at the end of a full expression. Any
// expression records that follow this one are part of a different
// expression.
Writer->Stream.EmitRecord(serialization::STMT_STOP, ArrayRef<uint32_t>());
Writer->SubStmtEntries.clear();
Writer->ParentStmts.clear();
}
StmtsToEmit.clear();
}
void ASTRecordWriter::FlushSubStmts() {
// For a nested statement, write out the substatements in reverse order (so
// that a simple stack machine can be used when loading), and don't emit a
// STMT_STOP after each one.
for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
Writer->WriteSubStmt(StmtsToEmit[N - I - 1]);
assert(N == StmtsToEmit.size() && "record modified while being written!");
}
StmtsToEmit.clear();
}