2016-02-13 07:10:59 +08:00
|
|
|
//===- IndexBody.cpp - Indexing statements --------------------------------===//
|
|
|
|
//
|
|
|
|
// The LLVM Compiler Infrastructure
|
|
|
|
//
|
|
|
|
// This file is distributed under the University of Illinois Open Source
|
|
|
|
// License. See LICENSE.TXT for details.
|
|
|
|
//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
#include "IndexingContext.h"
|
|
|
|
#include "clang/AST/RecursiveASTVisitor.h"
|
2018-12-19 21:44:41 +08:00
|
|
|
#include "clang/AST/ASTLambda.h"
|
2016-02-13 07:10:59 +08:00
|
|
|
|
|
|
|
using namespace clang;
|
|
|
|
using namespace clang::index;
|
|
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
class BodyIndexer : public RecursiveASTVisitor<BodyIndexer> {
|
|
|
|
IndexingContext &IndexCtx;
|
|
|
|
const NamedDecl *Parent;
|
|
|
|
const DeclContext *ParentDC;
|
|
|
|
SmallVector<Stmt*, 16> StmtStack;
|
|
|
|
|
|
|
|
typedef RecursiveASTVisitor<BodyIndexer> base;
|
2017-03-17 02:25:40 +08:00
|
|
|
|
|
|
|
Stmt *getParentStmt() const {
|
|
|
|
return StmtStack.size() < 2 ? nullptr : StmtStack.end()[-2];
|
|
|
|
}
|
2016-02-13 07:10:59 +08:00
|
|
|
public:
|
|
|
|
BodyIndexer(IndexingContext &indexCtx,
|
|
|
|
const NamedDecl *Parent, const DeclContext *DC)
|
|
|
|
: IndexCtx(indexCtx), Parent(Parent), ParentDC(DC) { }
|
2018-07-31 03:24:48 +08:00
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
bool shouldWalkTypesOfTypeLocs() const { return false; }
|
|
|
|
|
2016-02-13 09:24:19 +08:00
|
|
|
bool dataTraverseStmtPre(Stmt *S) {
|
2016-02-13 07:10:59 +08:00
|
|
|
StmtStack.push_back(S);
|
2016-02-13 09:24:19 +08:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool dataTraverseStmtPost(Stmt *S) {
|
|
|
|
assert(StmtStack.back() == S);
|
2016-02-13 07:10:59 +08:00
|
|
|
StmtStack.pop_back();
|
2016-02-13 09:24:19 +08:00
|
|
|
return true;
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
bool TraverseTypeLoc(TypeLoc TL) {
|
|
|
|
IndexCtx.indexTypeLoc(TL, Parent, ParentDC);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS) {
|
|
|
|
IndexCtx.indexNestedNameSpecifierLoc(NNS, Parent, ParentDC);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
SymbolRoleSet getRolesForRef(const Expr *E,
|
|
|
|
SmallVectorImpl<SymbolRelation> &Relations) {
|
|
|
|
SymbolRoleSet Roles{};
|
|
|
|
assert(!StmtStack.empty() && E == StmtStack.back());
|
|
|
|
if (StmtStack.size() == 1)
|
|
|
|
return Roles;
|
|
|
|
auto It = StmtStack.end()-2;
|
|
|
|
while (isa<CastExpr>(*It) || isa<ParenExpr>(*It)) {
|
|
|
|
if (auto ICE = dyn_cast<ImplicitCastExpr>(*It)) {
|
|
|
|
if (ICE->getCastKind() == CK_LValueToRValue)
|
|
|
|
Roles |= (unsigned)(unsigned)SymbolRole::Read;
|
|
|
|
}
|
|
|
|
if (It == StmtStack.begin())
|
|
|
|
break;
|
|
|
|
--It;
|
|
|
|
}
|
|
|
|
const Stmt *Parent = *It;
|
|
|
|
|
|
|
|
if (auto BO = dyn_cast<BinaryOperator>(Parent)) {
|
|
|
|
if (BO->getOpcode() == BO_Assign && BO->getLHS()->IgnoreParenCasts() == E)
|
|
|
|
Roles |= (unsigned)SymbolRole::Write;
|
|
|
|
|
|
|
|
} else if (auto UO = dyn_cast<UnaryOperator>(Parent)) {
|
|
|
|
if (UO->isIncrementDecrementOp()) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Read;
|
|
|
|
Roles |= (unsigned)SymbolRole::Write;
|
|
|
|
} else if (UO->getOpcode() == UO_AddrOf) {
|
|
|
|
Roles |= (unsigned)SymbolRole::AddressOf;
|
|
|
|
}
|
|
|
|
|
|
|
|
} else if (auto CA = dyn_cast<CompoundAssignOperator>(Parent)) {
|
|
|
|
if (CA->getLHS()->IgnoreParenCasts() == E) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Read;
|
|
|
|
Roles |= (unsigned)SymbolRole::Write;
|
|
|
|
}
|
|
|
|
|
|
|
|
} else if (auto CE = dyn_cast<CallExpr>(Parent)) {
|
|
|
|
if (CE->getCallee()->IgnoreParenCasts() == E) {
|
2016-02-29 15:56:00 +08:00
|
|
|
addCallRole(Roles, Relations);
|
2016-02-13 07:10:59 +08:00
|
|
|
if (auto *ME = dyn_cast<MemberExpr>(E)) {
|
|
|
|
if (auto *CXXMD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl()))
|
|
|
|
if (CXXMD->isVirtual() && !ME->hasQualifier()) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Dynamic;
|
|
|
|
auto BaseTy = ME->getBase()->IgnoreImpCasts()->getType();
|
|
|
|
if (!BaseTy.isNull())
|
|
|
|
if (auto *CXXRD = BaseTy->getPointeeCXXRecordDecl())
|
|
|
|
Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
|
|
|
|
CXXRD);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if (auto CXXOp = dyn_cast<CXXOperatorCallExpr>(CE)) {
|
|
|
|
if (CXXOp->getNumArgs() > 0 && CXXOp->getArg(0)->IgnoreParenCasts() == E) {
|
|
|
|
OverloadedOperatorKind Op = CXXOp->getOperator();
|
|
|
|
if (Op == OO_Equal) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Write;
|
|
|
|
} else if ((Op >= OO_PlusEqual && Op <= OO_PipeEqual) ||
|
|
|
|
Op == OO_LessLessEqual || Op == OO_GreaterGreaterEqual ||
|
|
|
|
Op == OO_PlusPlus || Op == OO_MinusMinus) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Read;
|
|
|
|
Roles |= (unsigned)SymbolRole::Write;
|
|
|
|
} else if (Op == OO_Amp) {
|
|
|
|
Roles |= (unsigned)SymbolRole::AddressOf;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return Roles;
|
|
|
|
}
|
|
|
|
|
2016-02-29 15:56:00 +08:00
|
|
|
void addCallRole(SymbolRoleSet &Roles,
|
|
|
|
SmallVectorImpl<SymbolRelation> &Relations) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Call;
|
|
|
|
if (auto *FD = dyn_cast<FunctionDecl>(ParentDC))
|
|
|
|
Relations.emplace_back((unsigned)SymbolRole::RelationCalledBy, FD);
|
|
|
|
else if (auto *MD = dyn_cast<ObjCMethodDecl>(ParentDC))
|
|
|
|
Relations.emplace_back((unsigned)SymbolRole::RelationCalledBy, MD);
|
|
|
|
}
|
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
bool VisitDeclRefExpr(DeclRefExpr *E) {
|
|
|
|
SmallVector<SymbolRelation, 4> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
|
|
|
return IndexCtx.handleReference(E->getDecl(), E->getLocation(),
|
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitMemberExpr(MemberExpr *E) {
|
|
|
|
SourceLocation Loc = E->getMemberLoc();
|
|
|
|
if (Loc.isInvalid())
|
2018-08-10 05:08:08 +08:00
|
|
|
Loc = E->getBeginLoc();
|
2016-02-13 07:10:59 +08:00
|
|
|
SmallVector<SymbolRelation, 4> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
|
|
|
return IndexCtx.handleReference(E->getMemberDecl(), Loc,
|
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
|
|
|
}
|
|
|
|
|
2017-05-10 17:47:41 +08:00
|
|
|
bool indexDependentReference(
|
|
|
|
const Expr *E, const Type *T, const DeclarationNameInfo &NameInfo,
|
|
|
|
llvm::function_ref<bool(const NamedDecl *ND)> Filter) {
|
|
|
|
if (!T)
|
|
|
|
return true;
|
|
|
|
const TemplateSpecializationType *TST =
|
|
|
|
T->getAs<TemplateSpecializationType>();
|
|
|
|
if (!TST)
|
|
|
|
return true;
|
|
|
|
TemplateName TN = TST->getTemplateName();
|
|
|
|
const ClassTemplateDecl *TD =
|
|
|
|
dyn_cast_or_null<ClassTemplateDecl>(TN.getAsTemplateDecl());
|
|
|
|
if (!TD)
|
|
|
|
return true;
|
|
|
|
CXXRecordDecl *RD = TD->getTemplatedDecl();
|
2017-05-15 18:20:39 +08:00
|
|
|
if (!RD->hasDefinition())
|
|
|
|
return true;
|
|
|
|
RD = RD->getDefinition();
|
2017-05-10 17:47:41 +08:00
|
|
|
std::vector<const NamedDecl *> Symbols =
|
|
|
|
RD->lookupDependentName(NameInfo.getName(), Filter);
|
|
|
|
// FIXME: Improve overload handling.
|
|
|
|
if (Symbols.size() != 1)
|
|
|
|
return true;
|
|
|
|
SourceLocation Loc = NameInfo.getLoc();
|
|
|
|
if (Loc.isInvalid())
|
2018-08-10 05:08:08 +08:00
|
|
|
Loc = E->getBeginLoc();
|
2017-05-10 17:47:41 +08:00
|
|
|
SmallVector<SymbolRelation, 4> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
|
|
|
return IndexCtx.handleReference(Symbols[0], Loc, Parent, ParentDC, Roles,
|
|
|
|
Relations, E);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E) {
|
|
|
|
const DeclarationNameInfo &Info = E->getMemberNameInfo();
|
|
|
|
return indexDependentReference(
|
|
|
|
E, E->getBaseType().getTypePtrOrNull(), Info,
|
|
|
|
[](const NamedDecl *D) { return D->isCXXInstanceMember(); });
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
|
|
|
|
const DeclarationNameInfo &Info = E->getNameInfo();
|
|
|
|
const NestedNameSpecifier *NNS = E->getQualifier();
|
|
|
|
return indexDependentReference(
|
|
|
|
E, NNS->getAsType(), Info,
|
|
|
|
[](const NamedDecl *D) { return !D->isCXXInstanceMember(); });
|
|
|
|
}
|
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
bool VisitDesignatedInitExpr(DesignatedInitExpr *E) {
|
2016-06-23 08:15:04 +08:00
|
|
|
for (DesignatedInitExpr::Designator &D : llvm::reverse(E->designators())) {
|
2016-08-03 13:38:53 +08:00
|
|
|
if (D.isFieldDesignator() && D.getField())
|
2016-06-23 08:15:04 +08:00
|
|
|
return IndexCtx.handleReference(D.getField(), D.getFieldLoc(), Parent,
|
|
|
|
ParentDC, SymbolRoleSet(), {}, E);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
|
|
|
|
SmallVector<SymbolRelation, 4> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
|
|
|
return IndexCtx.handleReference(E->getDecl(), E->getLocation(),
|
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitObjCMessageExpr(ObjCMessageExpr *E) {
|
|
|
|
auto isDynamic = [](const ObjCMessageExpr *MsgE)->bool {
|
|
|
|
if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance)
|
|
|
|
return false;
|
|
|
|
if (auto *RecE = dyn_cast<ObjCMessageExpr>(
|
|
|
|
MsgE->getInstanceReceiver()->IgnoreParenCasts())) {
|
|
|
|
if (RecE->getMethodFamily() == OMF_alloc)
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
|
|
|
|
if (ObjCMethodDecl *MD = E->getMethodDecl()) {
|
2016-02-29 15:56:00 +08:00
|
|
|
SymbolRoleSet Roles{};
|
|
|
|
SmallVector<SymbolRelation, 2> Relations;
|
|
|
|
addCallRole(Roles, Relations);
|
2017-03-17 02:25:40 +08:00
|
|
|
Stmt *Containing = getParentStmt();
|
2017-07-03 18:34:46 +08:00
|
|
|
|
|
|
|
auto IsImplicitProperty = [](const PseudoObjectExpr *POE) -> bool {
|
|
|
|
const auto *E = POE->getSyntacticForm();
|
|
|
|
if (const auto *BinOp = dyn_cast<BinaryOperator>(E))
|
|
|
|
E = BinOp->getLHS();
|
|
|
|
const auto *PRE = dyn_cast<ObjCPropertyRefExpr>(E);
|
|
|
|
if (!PRE)
|
|
|
|
return false;
|
|
|
|
if (PRE->isExplicitProperty())
|
|
|
|
return false;
|
|
|
|
if (const ObjCMethodDecl *Getter = PRE->getImplicitPropertyGetter()) {
|
|
|
|
// Class properties that are explicitly defined using @property
|
|
|
|
// declarations are represented implicitly as there is no ivar for
|
|
|
|
// class properties.
|
|
|
|
if (Getter->isClassMethod() &&
|
|
|
|
Getter->getCanonicalDecl()->findPropertyDecl())
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
bool IsPropCall = Containing && isa<PseudoObjectExpr>(Containing);
|
|
|
|
// Implicit property message sends are not 'implicit'.
|
|
|
|
if ((E->isImplicit() || IsPropCall) &&
|
|
|
|
!(IsPropCall &&
|
|
|
|
IsImplicitProperty(cast<PseudoObjectExpr>(Containing))))
|
2016-02-13 07:10:59 +08:00
|
|
|
Roles |= (unsigned)SymbolRole::Implicit;
|
|
|
|
|
|
|
|
if (isDynamic(E)) {
|
|
|
|
Roles |= (unsigned)SymbolRole::Dynamic;
|
2018-08-18 07:50:59 +08:00
|
|
|
|
|
|
|
auto addReceivers = [&](const ObjCObjectType *Ty) {
|
|
|
|
if (!Ty)
|
|
|
|
return;
|
|
|
|
if (const auto *clsD = Ty->getInterface()) {
|
|
|
|
Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
|
|
|
|
clsD);
|
|
|
|
}
|
|
|
|
for (const auto *protD : Ty->quals()) {
|
|
|
|
Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
|
|
|
|
protD);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
QualType recT = E->getReceiverType();
|
|
|
|
if (const auto *Ptr = recT->getAs<ObjCObjectPointerType>())
|
|
|
|
addReceivers(Ptr->getObjectType());
|
|
|
|
else
|
|
|
|
addReceivers(recT->getAs<ObjCObjectType>());
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return IndexCtx.handleReference(MD, E->getSelectorStartLoc(),
|
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
|
2017-05-18 18:43:11 +08:00
|
|
|
if (E->isClassReceiver())
|
|
|
|
IndexCtx.handleReference(E->getClassReceiver(), E->getReceiverLocation(),
|
|
|
|
Parent, ParentDC);
|
2017-03-17 02:25:40 +08:00
|
|
|
if (E->isExplicitProperty()) {
|
|
|
|
SmallVector<SymbolRelation, 2> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
2016-02-13 07:10:59 +08:00
|
|
|
return IndexCtx.handleReference(E->getExplicitProperty(), E->getLocation(),
|
2017-03-17 02:25:40 +08:00
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
2017-05-24 22:23:40 +08:00
|
|
|
} else if (const ObjCMethodDecl *Getter = E->getImplicitPropertyGetter()) {
|
|
|
|
// Class properties that are explicitly defined using @property
|
|
|
|
// declarations are represented implicitly as there is no ivar for class
|
|
|
|
// properties.
|
|
|
|
if (Getter->isClassMethod()) {
|
|
|
|
if (const auto *PD = Getter->getCanonicalDecl()->findPropertyDecl()) {
|
|
|
|
SmallVector<SymbolRelation, 2> Relations;
|
|
|
|
SymbolRoleSet Roles = getRolesForRef(E, Relations);
|
|
|
|
return IndexCtx.handleReference(PD, E->getLocation(), Parent,
|
|
|
|
ParentDC, Roles, Relations, E);
|
|
|
|
}
|
|
|
|
}
|
2017-03-17 02:25:40 +08:00
|
|
|
}
|
2016-02-13 07:10:59 +08:00
|
|
|
|
|
|
|
// No need to do a handleReference for the objc method, because there will
|
|
|
|
// be a message expr as part of PseudoObjectExpr.
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
|
|
|
|
return IndexCtx.handleReference(E->getPropertyDecl(), E->getMemberLoc(),
|
|
|
|
Parent, ParentDC, SymbolRoleSet(), {}, E);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
|
|
|
|
return IndexCtx.handleReference(E->getProtocol(), E->getProtocolIdLoc(),
|
|
|
|
Parent, ParentDC, SymbolRoleSet(), {}, E);
|
|
|
|
}
|
|
|
|
|
2016-02-29 15:56:00 +08:00
|
|
|
bool passObjCLiteralMethodCall(const ObjCMethodDecl *MD, const Expr *E) {
|
|
|
|
SymbolRoleSet Roles{};
|
|
|
|
SmallVector<SymbolRelation, 2> Relations;
|
|
|
|
addCallRole(Roles, Relations);
|
|
|
|
Roles |= (unsigned)SymbolRole::Implicit;
|
2018-08-10 05:08:08 +08:00
|
|
|
return IndexCtx.handleReference(MD, E->getBeginLoc(), Parent, ParentDC,
|
|
|
|
Roles, Relations, E);
|
2016-02-29 15:56:00 +08:00
|
|
|
}
|
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
bool VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
|
|
|
|
if (ObjCMethodDecl *MD = E->getBoxingMethod()) {
|
2016-02-29 15:56:00 +08:00
|
|
|
return passObjCLiteralMethodCall(MD, E);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
2018-07-31 03:24:48 +08:00
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
bool VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
|
|
|
|
if (ObjCMethodDecl *MD = E->getDictWithObjectsMethod()) {
|
2016-02-29 15:56:00 +08:00
|
|
|
return passObjCLiteralMethodCall(MD, E);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
|
|
|
|
if (ObjCMethodDecl *MD = E->getArrayWithObjectsMethod()) {
|
2016-02-29 15:56:00 +08:00
|
|
|
return passObjCLiteralMethodCall(MD, E);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitCXXConstructExpr(CXXConstructExpr *E) {
|
2016-02-29 15:56:00 +08:00
|
|
|
SymbolRoleSet Roles{};
|
|
|
|
SmallVector<SymbolRelation, 2> Relations;
|
|
|
|
addCallRole(Roles, Relations);
|
2016-02-13 07:10:59 +08:00
|
|
|
return IndexCtx.handleReference(E->getConstructor(), E->getLocation(),
|
2016-02-29 15:56:00 +08:00
|
|
|
Parent, ParentDC, Roles, Relations, E);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *E,
|
|
|
|
DataRecursionQueue *Q = nullptr) {
|
|
|
|
if (E->getOperatorLoc().isInvalid())
|
|
|
|
return true; // implicit.
|
2016-03-01 10:46:32 +08:00
|
|
|
return base::TraverseCXXOperatorCallExpr(E, Q);
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
bool VisitDeclStmt(DeclStmt *S) {
|
|
|
|
if (IndexCtx.shouldIndexFunctionLocalSymbols()) {
|
|
|
|
IndexCtx.indexDeclGroupRef(S->getDeclGroup());
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
DeclGroupRef DG = S->getDeclGroup();
|
|
|
|
for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) {
|
|
|
|
const Decl *D = *I;
|
|
|
|
if (!D)
|
|
|
|
continue;
|
2017-02-26 13:37:56 +08:00
|
|
|
if (!isFunctionLocalSymbol(D))
|
2016-02-13 07:10:59 +08:00
|
|
|
IndexCtx.indexTopLevelDecl(D);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2016-08-17 22:59:53 +08:00
|
|
|
bool TraverseLambdaCapture(LambdaExpr *LE, const LambdaCapture *C,
|
|
|
|
Expr *Init) {
|
2016-02-13 07:10:59 +08:00
|
|
|
if (C->capturesThis() || C->capturesVLAType())
|
|
|
|
return true;
|
|
|
|
|
|
|
|
if (C->capturesVariable() && IndexCtx.shouldIndexFunctionLocalSymbols())
|
|
|
|
return IndexCtx.handleReference(C->getCapturedVar(), C->getLocation(),
|
|
|
|
Parent, ParentDC, SymbolRoleSet());
|
|
|
|
|
|
|
|
// FIXME: Lambda init-captures.
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// RecursiveASTVisitor visits both syntactic and semantic forms, duplicating
|
|
|
|
// the things that we visit. Make sure to only visit the semantic form.
|
|
|
|
// Also visit things that are in the syntactic form but not the semantic one,
|
|
|
|
// for example the indices in DesignatedInitExprs.
|
|
|
|
bool TraverseInitListExpr(InitListExpr *S, DataRecursionQueue *Q = nullptr) {
|
|
|
|
auto visitForm = [&](InitListExpr *Form) {
|
|
|
|
for (Stmt *SubStmt : Form->children()) {
|
2016-03-01 10:46:32 +08:00
|
|
|
if (!TraverseStmt(SubStmt, Q))
|
2016-02-13 07:10:59 +08:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
|
2016-11-01 12:29:39 +08:00
|
|
|
auto visitSyntacticDesignatedInitExpr = [&](DesignatedInitExpr *E) -> bool {
|
|
|
|
for (DesignatedInitExpr::Designator &D : llvm::reverse(E->designators())) {
|
|
|
|
if (D.isFieldDesignator())
|
|
|
|
return IndexCtx.handleReference(D.getField(), D.getFieldLoc(),
|
|
|
|
Parent, ParentDC, SymbolRoleSet(),
|
|
|
|
{}, E);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
|
2016-02-13 07:10:59 +08:00
|
|
|
InitListExpr *SemaForm = S->isSemanticForm() ? S : S->getSemanticForm();
|
|
|
|
InitListExpr *SyntaxForm = S->isSemanticForm() ? S->getSyntacticForm() : S;
|
|
|
|
|
|
|
|
if (SemaForm) {
|
|
|
|
// Visit things present in syntactic form but not the semantic form.
|
|
|
|
if (SyntaxForm) {
|
2016-11-01 12:29:39 +08:00
|
|
|
for (Expr *init : SyntaxForm->inits()) {
|
|
|
|
if (auto *DIE = dyn_cast<DesignatedInitExpr>(init))
|
|
|
|
visitSyntacticDesignatedInitExpr(DIE);
|
|
|
|
}
|
2016-02-13 07:10:59 +08:00
|
|
|
}
|
|
|
|
return visitForm(SemaForm);
|
|
|
|
}
|
|
|
|
|
|
|
|
// No semantic, try the syntactic.
|
|
|
|
if (SyntaxForm) {
|
|
|
|
return visitForm(SyntaxForm);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
2017-11-08 01:29:11 +08:00
|
|
|
|
|
|
|
bool VisitOffsetOfExpr(OffsetOfExpr *S) {
|
|
|
|
for (unsigned I = 0, E = S->getNumComponents(); I != E; ++I) {
|
|
|
|
const OffsetOfNode &Component = S->getComponent(I);
|
|
|
|
if (Component.getKind() == OffsetOfNode::Field)
|
2018-08-10 05:09:38 +08:00
|
|
|
IndexCtx.handleReference(Component.getField(), Component.getEndLoc(),
|
2017-11-08 01:29:11 +08:00
|
|
|
Parent, ParentDC, SymbolRoleSet(), {});
|
|
|
|
// FIXME: Try to resolve dependent field references.
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
2018-12-19 21:44:41 +08:00
|
|
|
|
|
|
|
bool VisitParmVarDecl(ParmVarDecl* D) {
|
|
|
|
// Index the parameters of lambda expression.
|
|
|
|
if (IndexCtx.shouldIndexFunctionLocalSymbols()) {
|
|
|
|
const auto *DC = D->getDeclContext();
|
|
|
|
if (DC && isLambdaCallOperator(DC))
|
|
|
|
IndexCtx.handleDecl(D);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
2016-02-13 07:10:59 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
} // anonymous namespace
|
|
|
|
|
|
|
|
void IndexingContext::indexBody(const Stmt *S, const NamedDecl *Parent,
|
|
|
|
const DeclContext *DC) {
|
|
|
|
if (!S)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (!DC)
|
|
|
|
DC = Parent->getLexicalDeclContext();
|
|
|
|
BodyIndexer(*this, Parent, DC).TraverseStmt(const_cast<Stmt*>(S));
|
|
|
|
}
|