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📄 APValue.h(20.92 KB)
📄 AST.h(907 B)
📄 ASTConcept.h(7.02 KB)
📄 ASTConsumer.h(5.99 KB)
📄 ASTContext.h(122.68 KB)
📄 ASTContextAllocate.h(1.33 KB)
📄 ASTDiagnostic.h(1.34 KB)
📄 ASTDumper.h(1.59 KB)
📄 ASTDumperUtils.h(3.49 KB)
📄 ASTFwd.h(1.01 KB)
📄 ASTImporter.h(22.86 KB)
📄 ASTImporterLookupTable.h(2.7 KB)
📄 ASTImporterSharedState.h(2.51 KB)
📄 ASTLambda.h(3.04 KB)
📄 ASTMutationListener.h(5.84 KB)
📄 ASTNodeTraverser.h(21.38 KB)
📄 ASTStructuralEquivalence.h(5.08 KB)
📄 ASTTypeTraits.h(19.65 KB)
📄 ASTUnresolvedSet.h(3.37 KB)
📄 ASTVector.h(11.75 KB)
📄 AbstractBasicReader.h(8.82 KB)
📄 AbstractBasicWriter.h(7.97 KB)
📄 AbstractTypeReader.h(922 B)
📄 AbstractTypeWriter.h(944 B)
📄 Attr.h(11.87 KB)
📄 AttrIterator.h(4.14 KB)
📄 AttrVisitor.h(2.56 KB)
📄 Availability.h(1.97 KB)
📄 BaseSubobject.h(2.74 KB)
📄 BuiltinTypes.def(9.91 KB)
📄 CXXInheritance.h(14.87 KB)
📄 CXXRecordDeclDefinitionBits.def(9.23 KB)
📄 CanonicalType.h(24.86 KB)
📄 CharUnits.h(8.02 KB)
📄 Comment.h(31.03 KB)
📄 CommentBriefParser.h(1.39 KB)
📄 CommentCommandTraits.h(5.86 KB)
📄 CommentCommands.td(9.27 KB)
📄 CommentDiagnostic.h(509 B)
📄 CommentHTMLNamedCharacterReferences.td(4.98 KB)
📄 CommentHTMLTags.td(2.17 KB)
📄 CommentLexer.h(9.96 KB)
📄 CommentParser.h(3.24 KB)
📄 CommentSema.h(9.87 KB)
📄 CommentVisitor.h(2.38 KB)
📄 ComparisonCategories.h(7.41 KB)
📄 ComputeDependence.h(7.41 KB)
📄 CurrentSourceLocExprScope.h(2.43 KB)
📄 DataCollection.h(2.45 KB)
📄 Decl.h(168.07 KB)
📄 DeclAccessPair.h(1.77 KB)
📄 DeclBase.h(93.13 KB)
📄 DeclCXX.h(151.69 KB)
📄 DeclContextInternals.h(8.22 KB)
📄 DeclFriend.h(8.06 KB)
📄 DeclGroup.h(4.11 KB)
📄 DeclLookups.h(3.64 KB)
📄 DeclObjC.h(101.2 KB)
📄 DeclObjCCommon.h(1.72 KB)
📄 DeclOpenMP.h(19.33 KB)
📄 DeclTemplate.h(122.19 KB)
📄 DeclVisitor.h(2.51 KB)
📄 DeclarationName.h(33.77 KB)
📄 DependenceFlags.h(10.99 KB)
📄 DependentDiagnostic.h(5.4 KB)
📄 EvaluatedExprVisitor.h(4.45 KB)
📄 Expr.h(234.85 KB)
📄 ExprCXX.h(169.78 KB)
📄 ExprConcepts.h(19.62 KB)
📄 ExprObjC.h(58.96 KB)
📄 ExprOpenMP.h(15.48 KB)
📄 ExternalASTMerger.h(8.11 KB)
📄 ExternalASTSource.h(20.55 KB)
📄 FormatString.h(22.81 KB)
📄 GlobalDecl.h(7.16 KB)
📄 JSONNodeDumper.h(17.53 KB)
📄 LambdaCapture.h(4.71 KB)
📄 LexicallyOrderedRecursiveASTVisitor.h(5.92 KB)
📄 LocInfoType.h(1.84 KB)
📄 Mangle.h(10.65 KB)
📄 MangleNumberingContext.h(2 KB)
📄 NSAPI.h(9.23 KB)
📄 NestedNameSpecifier.h(18.53 KB)
📄 NonTrivialTypeVisitor.h(4 KB)
📄 ODRHash.h(3.42 KB)
📄 OSLog.h(5.08 KB)
📄 OpenMPClause.h(276.08 KB)
📄 OperationKinds.def(14.91 KB)
📄 OperationKinds.h(1.5 KB)
📄 OptionalDiagnostic.h(2.39 KB)
📄 ParentMap.h(1.89 KB)
📄 ParentMapContext.h(4.74 KB)
📄 PrettyDeclStackTrace.h(1.39 KB)
📄 PrettyPrinter.h(8.47 KB)
📄 PropertiesBase.td(17.03 KB)
📄 QualTypeNames.h(3.15 KB)
📄 RawCommentList.h(6.6 KB)
📄 RecordLayout.h(11.49 KB)
📄 RecursiveASTVisitor.h(124.41 KB)
📄 Redeclarable.h(14.34 KB)
📄 SelectorLocationsKind.h(3.28 KB)
📄 Stmt.h(113 KB)
📄 StmtCXX.h(17.59 KB)
📄 StmtDataCollectors.td(5.64 KB)
📄 StmtGraphTraits.h(2.18 KB)
📄 StmtIterator.h(4.2 KB)
📄 StmtObjC.h(12.86 KB)
📄 StmtOpenMP.h(189.5 KB)
📄 StmtVisitor.h(8.74 KB)
📄 TemplateArgumentVisitor.h(3.38 KB)
📄 TemplateBase.h(22.86 KB)
📄 TemplateName.h(19.34 KB)
📄 TextNodeDumper.h(15.7 KB)
📄 Type.h(248.38 KB)
📄 TypeLoc.h(73.03 KB)
📄 TypeLocNodes.def(1.45 KB)
📄 TypeLocVisitor.h(1.76 KB)
📄 TypeOrdering.h(2.38 KB)
📄 TypeProperties.td(25.87 KB)
📄 TypeVisitor.h(3.32 KB)
📄 UnresolvedSet.h(5.25 KB)
📄 VTTBuilder.h(5.19 KB)
📄 VTableBuilder.h(20.31 KB)

Editing: ParentMapContext.h

//===- ParentMapContext.h - Map of parents using DynTypedNode -------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Similar to ParentMap.h, but generalizes to non-Stmt nodes, which can have
// multiple parents.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_PARENTMAPCONTEXT_H
#define LLVM_CLANG_AST_PARENTMAPCONTEXT_H

#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTTypeTraits.h"

namespace clang {
class DynTypedNodeList;

class ParentMapContext {
public:
  ParentMapContext(ASTContext &Ctx);

~ParentMapContext();

/// Returns the parents of the given node (within the traversal scope).
  ///
  /// Note that this will lazily compute the parents of all nodes
  /// and store them for later retrieval. Thus, the first call is O(n)
  /// in the number of AST nodes.
  ///
  /// Caveats and FIXMEs:
  /// Calculating the parent map over all AST nodes will need to load the
  /// full AST. This can be undesirable in the case where the full AST is
  /// expensive to create (for example, when using precompiled header
  /// preambles). Thus, there are good opportunities for optimization here.
  /// One idea is to walk the given node downwards, looking for references
  /// to declaration contexts - once a declaration context is found, compute
  /// the parent map for the declaration context; if that can satisfy the
  /// request, loading the whole AST can be avoided. Note that this is made
  /// more complex by statements in templates having multiple parents - those
  /// problems can be solved by building closure over the templated parts of
  /// the AST, which also avoids touching large parts of the AST.
  /// Additionally, we will want to add an interface to already give a hint
  /// where to search for the parents, for example when looking at a statement
  /// inside a certain function.
  ///
  /// 'NodeT' can be one of Decl, Stmt, Type, TypeLoc,
  /// NestedNameSpecifier or NestedNameSpecifierLoc.
  template <typename NodeT> DynTypedNodeList getParents(const NodeT &Node);

DynTypedNodeList getParents(const DynTypedNode &Node);

/// Clear parent maps.
  void clear();

TraversalKind getTraversalKind() const { return Traversal; }
  void setTraversalKind(TraversalKind TK) { Traversal = TK; }

const Expr *traverseIgnored(const Expr *E) const;
  Expr *traverseIgnored(Expr *E) const;
  DynTypedNode traverseIgnored(const DynTypedNode &N) const;

private:
  ASTContext &ASTCtx;
  class ParentMap;
  TraversalKind Traversal = TK_AsIs;
  std::unique_ptr<ParentMap> Parents;
};

class TraversalKindScope {
  ParentMapContext &Ctx;
  TraversalKind TK = TK_AsIs;

public:
  TraversalKindScope(ASTContext &ASTCtx, llvm::Optional<TraversalKind> ScopeTK)
      : Ctx(ASTCtx.getParentMapContext()) {
    TK = Ctx.getTraversalKind();
    if (ScopeTK)
      Ctx.setTraversalKind(*ScopeTK);
  }

~TraversalKindScope() { Ctx.setTraversalKind(TK); }
};

/// Container for either a single DynTypedNode or for an ArrayRef to
/// DynTypedNode. For use with ParentMap.
class DynTypedNodeList {
  llvm::AlignedCharArrayUnion<DynTypedNode, ArrayRef<DynTypedNode>> Storage;
  bool IsSingleNode;

public:
  DynTypedNodeList(const DynTypedNode &N) : IsSingleNode(true) {
    new (Storage.buffer) DynTypedNode(N);
  }

DynTypedNodeList(ArrayRef<DynTypedNode> A) : IsSingleNode(false) {
    new (Storage.buffer) ArrayRef<DynTypedNode>(A);
  }

const DynTypedNode *begin() const {
    if (!IsSingleNode)
      return reinterpret_cast<const ArrayRef<DynTypedNode> *>(Storage.buffer)
          ->begin();
    return reinterpret_cast<const DynTypedNode *>(Storage.buffer);
  }

const DynTypedNode *end() const {
    if (!IsSingleNode)
      return reinterpret_cast<const ArrayRef<DynTypedNode> *>(Storage.buffer)
          ->end();
    return reinterpret_cast<const DynTypedNode *>(Storage.buffer) + 1;
  }

size_t size() const { return end() - begin(); }
  bool empty() const { return begin() == end(); }

const DynTypedNode &operator[](size_t N) const {
    assert(N < size() && "Out of bounds!");
    return *(begin() + N);
  }
};

template <typename NodeT>
inline DynTypedNodeList ParentMapContext::getParents(const NodeT &Node) {
  return getParents(DynTypedNode::create(Node));
}

template <typename NodeT>
inline DynTypedNodeList ASTContext::getParents(const NodeT &Node) {
  return getParentMapContext().getParents(Node);
}

template <>
inline DynTypedNodeList ASTContext::getParents(const DynTypedNode &Node) {
  return getParentMapContext().getParents(Node);
}

} // namespace clang

#endif

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Editing: ParentMapContext.h

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