clang  8.0.0svn
IndexBody.cpp
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1 //===- IndexBody.cpp - Indexing statements --------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "IndexingContext.h"
12 
13 using namespace clang;
14 using namespace clang::index;
15 
16 namespace {
17 
18 class BodyIndexer : public RecursiveASTVisitor<BodyIndexer> {
19  IndexingContext &IndexCtx;
20  const NamedDecl *Parent;
21  const DeclContext *ParentDC;
22  SmallVector<Stmt*, 16> StmtStack;
23 
25 
26  Stmt *getParentStmt() const {
27  return StmtStack.size() < 2 ? nullptr : StmtStack.end()[-2];
28  }
29 public:
30  BodyIndexer(IndexingContext &indexCtx,
31  const NamedDecl *Parent, const DeclContext *DC)
32  : IndexCtx(indexCtx), Parent(Parent), ParentDC(DC) { }
33 
34  bool shouldWalkTypesOfTypeLocs() const { return false; }
35 
36  bool dataTraverseStmtPre(Stmt *S) {
37  StmtStack.push_back(S);
38  return true;
39  }
40 
41  bool dataTraverseStmtPost(Stmt *S) {
42  assert(StmtStack.back() == S);
43  StmtStack.pop_back();
44  return true;
45  }
46 
47  bool TraverseTypeLoc(TypeLoc TL) {
48  IndexCtx.indexTypeLoc(TL, Parent, ParentDC);
49  return true;
50  }
51 
52  bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS) {
53  IndexCtx.indexNestedNameSpecifierLoc(NNS, Parent, ParentDC);
54  return true;
55  }
56 
57  SymbolRoleSet getRolesForRef(const Expr *E,
59  SymbolRoleSet Roles{};
60  assert(!StmtStack.empty() && E == StmtStack.back());
61  if (StmtStack.size() == 1)
62  return Roles;
63  auto It = StmtStack.end()-2;
64  while (isa<CastExpr>(*It) || isa<ParenExpr>(*It)) {
65  if (auto ICE = dyn_cast<ImplicitCastExpr>(*It)) {
66  if (ICE->getCastKind() == CK_LValueToRValue)
67  Roles |= (unsigned)(unsigned)SymbolRole::Read;
68  }
69  if (It == StmtStack.begin())
70  break;
71  --It;
72  }
73  const Stmt *Parent = *It;
74 
75  if (auto BO = dyn_cast<BinaryOperator>(Parent)) {
76  if (BO->getOpcode() == BO_Assign && BO->getLHS()->IgnoreParenCasts() == E)
77  Roles |= (unsigned)SymbolRole::Write;
78 
79  } else if (auto UO = dyn_cast<UnaryOperator>(Parent)) {
80  if (UO->isIncrementDecrementOp()) {
81  Roles |= (unsigned)SymbolRole::Read;
82  Roles |= (unsigned)SymbolRole::Write;
83  } else if (UO->getOpcode() == UO_AddrOf) {
84  Roles |= (unsigned)SymbolRole::AddressOf;
85  }
86 
87  } else if (auto CA = dyn_cast<CompoundAssignOperator>(Parent)) {
88  if (CA->getLHS()->IgnoreParenCasts() == E) {
89  Roles |= (unsigned)SymbolRole::Read;
90  Roles |= (unsigned)SymbolRole::Write;
91  }
92 
93  } else if (auto CE = dyn_cast<CallExpr>(Parent)) {
94  if (CE->getCallee()->IgnoreParenCasts() == E) {
95  addCallRole(Roles, Relations);
96  if (auto *ME = dyn_cast<MemberExpr>(E)) {
97  if (auto *CXXMD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl()))
98  if (CXXMD->isVirtual() && !ME->hasQualifier()) {
99  Roles |= (unsigned)SymbolRole::Dynamic;
100  auto BaseTy = ME->getBase()->IgnoreImpCasts()->getType();
101  if (!BaseTy.isNull())
102  if (auto *CXXRD = BaseTy->getPointeeCXXRecordDecl())
103  Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
104  CXXRD);
105  }
106  }
107  } else if (auto CXXOp = dyn_cast<CXXOperatorCallExpr>(CE)) {
108  if (CXXOp->getNumArgs() > 0 && CXXOp->getArg(0)->IgnoreParenCasts() == E) {
109  OverloadedOperatorKind Op = CXXOp->getOperator();
110  if (Op == OO_Equal) {
111  Roles |= (unsigned)SymbolRole::Write;
112  } else if ((Op >= OO_PlusEqual && Op <= OO_PipeEqual) ||
113  Op == OO_LessLessEqual || Op == OO_GreaterGreaterEqual ||
114  Op == OO_PlusPlus || Op == OO_MinusMinus) {
115  Roles |= (unsigned)SymbolRole::Read;
116  Roles |= (unsigned)SymbolRole::Write;
117  } else if (Op == OO_Amp) {
118  Roles |= (unsigned)SymbolRole::AddressOf;
119  }
120  }
121  }
122  }
123 
124  return Roles;
125  }
126 
127  void addCallRole(SymbolRoleSet &Roles,
128  SmallVectorImpl<SymbolRelation> &Relations) {
129  Roles |= (unsigned)SymbolRole::Call;
130  if (auto *FD = dyn_cast<FunctionDecl>(ParentDC))
131  Relations.emplace_back((unsigned)SymbolRole::RelationCalledBy, FD);
132  else if (auto *MD = dyn_cast<ObjCMethodDecl>(ParentDC))
133  Relations.emplace_back((unsigned)SymbolRole::RelationCalledBy, MD);
134  }
135 
136  bool VisitDeclRefExpr(DeclRefExpr *E) {
138  SymbolRoleSet Roles = getRolesForRef(E, Relations);
139  return IndexCtx.handleReference(E->getDecl(), E->getLocation(),
140  Parent, ParentDC, Roles, Relations, E);
141  }
142 
143  bool VisitMemberExpr(MemberExpr *E) {
144  SourceLocation Loc = E->getMemberLoc();
145  if (Loc.isInvalid())
146  Loc = E->getBeginLoc();
148  SymbolRoleSet Roles = getRolesForRef(E, Relations);
149  return IndexCtx.handleReference(E->getMemberDecl(), Loc,
150  Parent, ParentDC, Roles, Relations, E);
151  }
152 
153  bool indexDependentReference(
154  const Expr *E, const Type *T, const DeclarationNameInfo &NameInfo,
155  llvm::function_ref<bool(const NamedDecl *ND)> Filter) {
156  if (!T)
157  return true;
158  const TemplateSpecializationType *TST =
160  if (!TST)
161  return true;
162  TemplateName TN = TST->getTemplateName();
163  const ClassTemplateDecl *TD =
164  dyn_cast_or_null<ClassTemplateDecl>(TN.getAsTemplateDecl());
165  if (!TD)
166  return true;
167  CXXRecordDecl *RD = TD->getTemplatedDecl();
168  if (!RD->hasDefinition())
169  return true;
170  RD = RD->getDefinition();
171  std::vector<const NamedDecl *> Symbols =
172  RD->lookupDependentName(NameInfo.getName(), Filter);
173  // FIXME: Improve overload handling.
174  if (Symbols.size() != 1)
175  return true;
176  SourceLocation Loc = NameInfo.getLoc();
177  if (Loc.isInvalid())
178  Loc = E->getBeginLoc();
180  SymbolRoleSet Roles = getRolesForRef(E, Relations);
181  return IndexCtx.handleReference(Symbols[0], Loc, Parent, ParentDC, Roles,
182  Relations, E);
183  }
184 
185  bool VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E) {
186  const DeclarationNameInfo &Info = E->getMemberNameInfo();
187  return indexDependentReference(
188  E, E->getBaseType().getTypePtrOrNull(), Info,
189  [](const NamedDecl *D) { return D->isCXXInstanceMember(); });
190  }
191 
192  bool VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
193  const DeclarationNameInfo &Info = E->getNameInfo();
194  const NestedNameSpecifier *NNS = E->getQualifier();
195  return indexDependentReference(
196  E, NNS->getAsType(), Info,
197  [](const NamedDecl *D) { return !D->isCXXInstanceMember(); });
198  }
199 
200  bool VisitDesignatedInitExpr(DesignatedInitExpr *E) {
201  for (DesignatedInitExpr::Designator &D : llvm::reverse(E->designators())) {
202  if (D.isFieldDesignator() && D.getField())
203  return IndexCtx.handleReference(D.getField(), D.getFieldLoc(), Parent,
204  ParentDC, SymbolRoleSet(), {}, E);
205  }
206  return true;
207  }
208 
209  bool VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
211  SymbolRoleSet Roles = getRolesForRef(E, Relations);
212  return IndexCtx.handleReference(E->getDecl(), E->getLocation(),
213  Parent, ParentDC, Roles, Relations, E);
214  }
215 
216  bool VisitObjCMessageExpr(ObjCMessageExpr *E) {
217  auto isDynamic = [](const ObjCMessageExpr *MsgE)->bool {
218  if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance)
219  return false;
220  if (auto *RecE = dyn_cast<ObjCMessageExpr>(
221  MsgE->getInstanceReceiver()->IgnoreParenCasts())) {
222  if (RecE->getMethodFamily() == OMF_alloc)
223  return false;
224  }
225  return true;
226  };
227 
228  if (ObjCMethodDecl *MD = E->getMethodDecl()) {
229  SymbolRoleSet Roles{};
231  addCallRole(Roles, Relations);
232  Stmt *Containing = getParentStmt();
233 
234  auto IsImplicitProperty = [](const PseudoObjectExpr *POE) -> bool {
235  const auto *E = POE->getSyntacticForm();
236  if (const auto *BinOp = dyn_cast<BinaryOperator>(E))
237  E = BinOp->getLHS();
238  const auto *PRE = dyn_cast<ObjCPropertyRefExpr>(E);
239  if (!PRE)
240  return false;
241  if (PRE->isExplicitProperty())
242  return false;
243  if (const ObjCMethodDecl *Getter = PRE->getImplicitPropertyGetter()) {
244  // Class properties that are explicitly defined using @property
245  // declarations are represented implicitly as there is no ivar for
246  // class properties.
247  if (Getter->isClassMethod() &&
248  Getter->getCanonicalDecl()->findPropertyDecl())
249  return false;
250  }
251  return true;
252  };
253  bool IsPropCall = Containing && isa<PseudoObjectExpr>(Containing);
254  // Implicit property message sends are not 'implicit'.
255  if ((E->isImplicit() || IsPropCall) &&
256  !(IsPropCall &&
257  IsImplicitProperty(cast<PseudoObjectExpr>(Containing))))
258  Roles |= (unsigned)SymbolRole::Implicit;
259 
260  if (isDynamic(E)) {
261  Roles |= (unsigned)SymbolRole::Dynamic;
262 
263  auto addReceivers = [&](const ObjCObjectType *Ty) {
264  if (!Ty)
265  return;
266  if (const auto *clsD = Ty->getInterface()) {
267  Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
268  clsD);
269  }
270  for (const auto *protD : Ty->quals()) {
271  Relations.emplace_back((unsigned)SymbolRole::RelationReceivedBy,
272  protD);
273  }
274  };
275  QualType recT = E->getReceiverType();
276  if (const auto *Ptr = recT->getAs<ObjCObjectPointerType>())
277  addReceivers(Ptr->getObjectType());
278  else
279  addReceivers(recT->getAs<ObjCObjectType>());
280  }
281 
282  return IndexCtx.handleReference(MD, E->getSelectorStartLoc(),
283  Parent, ParentDC, Roles, Relations, E);
284  }
285  return true;
286  }
287 
288  bool VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
289  if (E->isClassReceiver())
291  Parent, ParentDC);
292  if (E->isExplicitProperty()) {
294  SymbolRoleSet Roles = getRolesForRef(E, Relations);
295  return IndexCtx.handleReference(E->getExplicitProperty(), E->getLocation(),
296  Parent, ParentDC, Roles, Relations, E);
297  } else if (const ObjCMethodDecl *Getter = E->getImplicitPropertyGetter()) {
298  // Class properties that are explicitly defined using @property
299  // declarations are represented implicitly as there is no ivar for class
300  // properties.
301  if (Getter->isClassMethod()) {
302  if (const auto *PD = Getter->getCanonicalDecl()->findPropertyDecl()) {
304  SymbolRoleSet Roles = getRolesForRef(E, Relations);
305  return IndexCtx.handleReference(PD, E->getLocation(), Parent,
306  ParentDC, Roles, Relations, E);
307  }
308  }
309  }
310 
311  // No need to do a handleReference for the objc method, because there will
312  // be a message expr as part of PseudoObjectExpr.
313  return true;
314  }
315 
316  bool VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
317  return IndexCtx.handleReference(E->getPropertyDecl(), E->getMemberLoc(),
318  Parent, ParentDC, SymbolRoleSet(), {}, E);
319  }
320 
321  bool VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
322  return IndexCtx.handleReference(E->getProtocol(), E->getProtocolIdLoc(),
323  Parent, ParentDC, SymbolRoleSet(), {}, E);
324  }
325 
326  bool passObjCLiteralMethodCall(const ObjCMethodDecl *MD, const Expr *E) {
327  SymbolRoleSet Roles{};
329  addCallRole(Roles, Relations);
330  Roles |= (unsigned)SymbolRole::Implicit;
331  return IndexCtx.handleReference(MD, E->getBeginLoc(), Parent, ParentDC,
332  Roles, Relations, E);
333  }
334 
335  bool VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
336  if (ObjCMethodDecl *MD = E->getBoxingMethod()) {
337  return passObjCLiteralMethodCall(MD, E);
338  }
339  return true;
340  }
341 
342  bool VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
343  if (ObjCMethodDecl *MD = E->getDictWithObjectsMethod()) {
344  return passObjCLiteralMethodCall(MD, E);
345  }
346  return true;
347  }
348 
349  bool VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
350  if (ObjCMethodDecl *MD = E->getArrayWithObjectsMethod()) {
351  return passObjCLiteralMethodCall(MD, E);
352  }
353  return true;
354  }
355 
356  bool VisitCXXConstructExpr(CXXConstructExpr *E) {
357  SymbolRoleSet Roles{};
359  addCallRole(Roles, Relations);
360  return IndexCtx.handleReference(E->getConstructor(), E->getLocation(),
361  Parent, ParentDC, Roles, Relations, E);
362  }
363 
364  bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *E,
365  DataRecursionQueue *Q = nullptr) {
366  if (E->getOperatorLoc().isInvalid())
367  return true; // implicit.
368  return base::TraverseCXXOperatorCallExpr(E, Q);
369  }
370 
371  bool VisitDeclStmt(DeclStmt *S) {
372  if (IndexCtx.shouldIndexFunctionLocalSymbols()) {
373  IndexCtx.indexDeclGroupRef(S->getDeclGroup());
374  return true;
375  }
376 
377  DeclGroupRef DG = S->getDeclGroup();
378  for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) {
379  const Decl *D = *I;
380  if (!D)
381  continue;
382  if (!isFunctionLocalSymbol(D))
383  IndexCtx.indexTopLevelDecl(D);
384  }
385 
386  return true;
387  }
388 
389  bool TraverseLambdaCapture(LambdaExpr *LE, const LambdaCapture *C,
390  Expr *Init) {
391  if (C->capturesThis() || C->capturesVLAType())
392  return true;
393 
394  if (C->capturesVariable() && IndexCtx.shouldIndexFunctionLocalSymbols())
395  return IndexCtx.handleReference(C->getCapturedVar(), C->getLocation(),
396  Parent, ParentDC, SymbolRoleSet());
397 
398  // FIXME: Lambda init-captures.
399  return true;
400  }
401 
402  // RecursiveASTVisitor visits both syntactic and semantic forms, duplicating
403  // the things that we visit. Make sure to only visit the semantic form.
404  // Also visit things that are in the syntactic form but not the semantic one,
405  // for example the indices in DesignatedInitExprs.
406  bool TraverseInitListExpr(InitListExpr *S, DataRecursionQueue *Q = nullptr) {
407  auto visitForm = [&](InitListExpr *Form) {
408  for (Stmt *SubStmt : Form->children()) {
409  if (!TraverseStmt(SubStmt, Q))
410  return false;
411  }
412  return true;
413  };
414 
415  auto visitSyntacticDesignatedInitExpr = [&](DesignatedInitExpr *E) -> bool {
416  for (DesignatedInitExpr::Designator &D : llvm::reverse(E->designators())) {
417  if (D.isFieldDesignator())
418  return IndexCtx.handleReference(D.getField(), D.getFieldLoc(),
419  Parent, ParentDC, SymbolRoleSet(),
420  {}, E);
421  }
422  return true;
423  };
424 
425  InitListExpr *SemaForm = S->isSemanticForm() ? S : S->getSemanticForm();
426  InitListExpr *SyntaxForm = S->isSemanticForm() ? S->getSyntacticForm() : S;
427 
428  if (SemaForm) {
429  // Visit things present in syntactic form but not the semantic form.
430  if (SyntaxForm) {
431  for (Expr *init : SyntaxForm->inits()) {
432  if (auto *DIE = dyn_cast<DesignatedInitExpr>(init))
433  visitSyntacticDesignatedInitExpr(DIE);
434  }
435  }
436  return visitForm(SemaForm);
437  }
438 
439  // No semantic, try the syntactic.
440  if (SyntaxForm) {
441  return visitForm(SyntaxForm);
442  }
443 
444  return true;
445  }
446 
447  bool VisitOffsetOfExpr(OffsetOfExpr *S) {
448  for (unsigned I = 0, E = S->getNumComponents(); I != E; ++I) {
449  const OffsetOfNode &Component = S->getComponent(I);
450  if (Component.getKind() == OffsetOfNode::Field)
451  IndexCtx.handleReference(Component.getField(), Component.getEndLoc(),
452  Parent, ParentDC, SymbolRoleSet(), {});
453  // FIXME: Try to resolve dependent field references.
454  }
455  return true;
456  }
457 };
458 
459 } // anonymous namespace
460 
461 void IndexingContext::indexBody(const Stmt *S, const NamedDecl *Parent,
462  const DeclContext *DC) {
463  if (!S)
464  return;
465 
466  if (!DC)
467  DC = Parent->getLexicalDeclContext();
468  BodyIndexer(*this, Parent, DC).TraverseStmt(const_cast<Stmt*>(S));
469 }
ObjCPropertyRefExpr - A dot-syntax expression to access an ObjC property.
Definition: ExprObjC.h:577
A call to an overloaded operator written using operator syntax.
Definition: ExprCXX.h:78
Represents a single C99 designator.
Definition: Expr.h:4309
SourceLocation getLoc() const
getLoc - Returns the main location of the declaration name.
VarDecl * getCapturedVar() const
Retrieve the declaration of the local variable being captured.
The receiver is an object instance.
Definition: ExprObjC.h:1055
A (possibly-)qualified type.
Definition: Type.h:642
ValueDecl * getMemberDecl() const
Retrieve the member declaration to which this expression refers.
Definition: Expr.h:2568
ObjCProtocolDecl * getProtocol() const
Definition: ExprObjC.h:490
Stmt - This represents one statement.
Definition: Stmt.h:66
void indexTypeLoc(TypeLoc TL, const NamedDecl *Parent, const DeclContext *DC=nullptr, bool isBase=false, bool isIBType=false)
iterator end()
Definition: DeclGroup.h:106
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:87
The base class of the type hierarchy.
Definition: Type.h:1415
NestedNameSpecifier * getQualifier() const
Retrieve the nested-name-specifier that qualifies this declaration.
Definition: ExprCXX.h:2945
bool indexTopLevelDecl(const Decl *D)
Definition: IndexDecl.cpp:750
bool isSemanticForm() const
Definition: Expr.h:4150
Represents a call to a C++ constructor.
Definition: ExprCXX.h:1262
Describes the capture of a variable or of this, or of a C++1y init-capture.
Definition: LambdaCapture.h:26
const T * getAs() const
Member-template getAs<specific type>&#39;.
Definition: Type.h:6683
ObjCInterfaceDecl * getClassReceiver() const
Definition: ExprObjC.h:734
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:139
bool hasDefinition() const
Definition: DeclCXX.h:776
std::vector< const NamedDecl * > lookupDependentName(const DeclarationName &Name, llvm::function_ref< bool(const NamedDecl *ND)> Filter)
Performs an imprecise lookup of a dependent name in this class.
ObjCPropertyDecl * getExplicitProperty() const
Definition: ExprObjC.h:670
Base wrapper for a particular "section" of type source info.
Definition: TypeLoc.h:57
Represents a C99 designated initializer expression.
Definition: Expr.h:4234
FieldDecl * getField() const
For a field offsetof node, returns the field.
Definition: Expr.h:1967
Represents a class type in Objective C.
Definition: Type.h:5512
A C++ nested-name-specifier augmented with source location information.
TemplateDecl * getAsTemplateDecl() const
Retrieve the underlying template declaration that this template name refers to, if known...
bool isExplicitProperty() const
Definition: ExprObjC.h:668
SourceLocation getBeginLoc() const LLVM_READONLY
Definition: Stmt.cpp:280
TemplateName getTemplateName() const
Retrieve the name of the template that we are specializing.
Definition: Type.h:4880
bool isFunctionLocalSymbol(const Decl *D)
Definition: IndexSymbol.cpp:53
const Type * getAsType() const
Retrieve the type stored in this nested name specifier.
virtual bool isDynamic(OpenMPScheduleClauseKind ScheduleKind) const
Check if the specified ScheduleKind is dynamic.
const DeclGroupRef getDeclGroup() const
Definition: Stmt.h:525
ObjCArrayLiteral - used for objective-c array containers; as in: @["Hello", NSApp, [NSNumber numberWithInt:42]];.
Definition: ExprObjC.h:171
Describes an C or C++ initializer list.
Definition: Expr.h:4000
bool capturesThis() const
Determine whether this capture handles the C++ this pointer.
Definition: LambdaCapture.h:83
child_range children()
Definition: Stmt.cpp:229
iterator begin()
Definition: DeclGroup.h:100
bool isClassReceiver() const
Definition: ExprObjC.h:740
bool shouldIndexFunctionLocalSymbols() const
Helper class for OffsetOfExpr.
Definition: Expr.h:1903
DeclContext * getLexicalDeclContext()
getLexicalDeclContext - The declaration context where this Decl was lexically declared (LexicalDC)...
Definition: DeclBase.h:821
ObjCMethodDecl * getArrayWithObjectsMethod() const
Definition: ExprObjC.h:222
A C++ lambda expression, which produces a function object (of unspecified type) that can be invoked l...
Definition: ExprCXX.h:1611
Represents a C++ member access expression where the actual member referenced could not be resolved be...
Definition: ExprCXX.h:3243
A class that does preorder or postorder depth-first traversal on the entire Clang AST and visits each...
CXXRecordDecl * getTemplatedDecl() const
Get the underlying class declarations of the template.
ObjCMethodDecl * getDictWithObjectsMethod() const
Definition: ExprObjC.h:358
ObjCIvarDecl * getDecl()
Definition: ExprObjC.h:543
NodeId Parent
Definition: ASTDiff.cpp:192
unsigned SymbolRoleSet
Definition: IndexSymbol.h:124
CXXConstructorDecl * getConstructor() const
Get the constructor that this expression will (ultimately) call.
Definition: ExprCXX.h:1325
SourceLocation getLocation() const
Definition: ExprCXX.h:1327
SourceLocation getLocation() const
Definition: Expr.h:1069
ObjCMethodDecl * getBoxingMethod() const
Definition: ExprObjC.h:138
llvm::MutableArrayRef< Designator > designators()
Definition: Expr.h:4437
This represents one expression.
Definition: Expr.h:105
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
Definition: ExprObjC.h:288
CXXRecordDecl * getDefinition() const
Definition: DeclCXX.h:769
bool indexDeclGroupRef(DeclGroupRef DG)
Definition: IndexDecl.cpp:760
Represents a C++ template name within the type system.
Definition: TemplateName.h:178
ArrayRef< Expr * > inits()
Definition: Expr.h:4040
Kind getKind() const
Determine what kind of offsetof node this is.
Definition: Expr.h:1957
bool handleReference(const NamedDecl *D, SourceLocation Loc, const NamedDecl *Parent, const DeclContext *DC, SymbolRoleSet Roles=SymbolRoleSet(), ArrayRef< SymbolRelation > Relations=None, const Expr *RefE=nullptr, const Decl *RefD=nullptr)
An expression that sends a message to the given Objective-C object or class.
Definition: ExprObjC.h:904
ObjCMethodDecl * getImplicitPropertyGetter() const
Definition: ExprObjC.h:675
SourceLocation getMemberLoc() const
getMemberLoc - Return the location of the "member", in X->F, it is the location of &#39;F&#39;...
Definition: Expr.h:2672
A member reference to an MSPropertyDecl.
Definition: ExprCXX.h:749
const OffsetOfNode & getComponent(unsigned Idx) const
Definition: Expr.h:2056
ValueDecl * getDecl()
Definition: Expr.h:1061
SourceLocation getOperatorLoc() const
Returns the location of the operator symbol in the expression.
Definition: ExprCXX.h:126
bool capturesVariable() const
Determine whether this capture handles a variable.
Definition: LambdaCapture.h:89
const DeclarationNameInfo & getNameInfo() const
Retrieve the name that this expression refers to.
Definition: ExprCXX.h:2929
SourceLocation getProtocolIdLoc() const
Definition: ExprObjC.h:493
PseudoObjectExpr - An expression which accesses a pseudo-object l-value.
Definition: Expr.h:5101
SourceLocation getEndLoc() const LLVM_READONLY
Definition: Expr.h:1990
Encodes a location in the source.
DeclarationName getName() const
getName - Returns the embedded declaration name.
DeclStmt - Adaptor class for mixing declarations with statements and expressions. ...
Definition: Stmt.h:505
Represents a C++ nested name specifier, such as "\::std::vector<int>::".
ObjCProtocolExpr used for protocol expression in Objective-C.
Definition: ExprObjC.h:474
QualType getReceiverType() const
Retrieve the receiver type to which this message is being directed.
Definition: ExprObjC.cpp:319
bool isImplicit() const
Indicates whether the message send was implicitly generated by the implementation.
Definition: ExprObjC.h:1184
const ObjCMethodDecl * getMethodDecl() const
Definition: ExprObjC.h:1303
ObjCBoxedExpr - used for generalized expression boxing.
Definition: ExprObjC.h:117
A qualified reference to a name whose declaration cannot yet be resolved.
Definition: ExprCXX.h:2887
SourceLocation getMemberLoc() const
Definition: ExprCXX.h:803
Dataflow Directional Tag Classes.
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1261
SourceLocation getLocation() const
Definition: ExprObjC.h:726
OverloadedOperatorKind
Enumeration specifying the different kinds of C++ overloaded operators.
Definition: OperatorKinds.h:22
MSPropertyDecl * getPropertyDecl() const
Definition: ExprCXX.h:801
bool capturesVLAType() const
Determine whether this captures a variable length array bound expression.
Definition: LambdaCapture.h:95
DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspnd...
Represents a pointer to an Objective C object.
Definition: Type.h:5768
void indexNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, const NamedDecl *Parent, const DeclContext *DC=nullptr)
SourceLocation getLocation() const
Definition: ExprObjC.h:556
const Type * getTypePtrOrNull() const
Definition: Type.h:6050
ObjCIvarRefExpr - A reference to an ObjC instance variable.
Definition: ExprObjC.h:513
MemberExpr - [C99 6.5.2.3] Structure and Union Members.
Definition: Expr.h:2472
Represents a C++ struct/union/class.
Definition: DeclCXX.h:300
SourceLocation getSelectorStartLoc() const
Definition: ExprObjC.h:1366
Declaration of a class template.
SourceLocation getLocation() const
Retrieve the source location of the capture.
unsigned getNumComponents() const
Definition: Expr.h:2066
SourceLocation getBeginLoc() const LLVM_READONLY
Definition: Expr.cpp:1532
A reference to a declared variable, function, enum, etc.
Definition: Expr.h:976
Represents a type template specialization; the template must be a class template, a type alias templa...
Definition: Type.h:4817
SourceLocation getReceiverLocation() const
Definition: ExprObjC.h:728
void indexBody(const Stmt *S, const NamedDecl *Parent, const DeclContext *DC=nullptr)
Definition: IndexBody.cpp:461
This represents a decl that may have a name.
Definition: Decl.h:248
OffsetOfExpr - [C99 7.17] - This represents an expression of the form offsetof(record-type, member-designator).
Definition: Expr.h:2007
InitListExpr * getSyntacticForm() const
Definition: Expr.h:4157
InitListExpr * getSemanticForm() const
Definition: Expr.h:4151
const DeclarationNameInfo & getMemberNameInfo() const
Retrieve the name of the member that this expression refers to.
Definition: ExprCXX.h:3369