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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: AttrIterator.h

//===- AttrIterator.h - Classes for attribute iteration ---------*- 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
//
//===----------------------------------------------------------------------===//
//
//  This file defines the Attr vector and specific_attr_iterator interfaces.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_ATTRITERATOR_H
#define LLVM_CLANG_AST_ATTRITERATOR_H

#include "clang/Basic/LLVM.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Casting.h"
#include <cassert>
#include <cstddef>
#include <iterator>

namespace clang {

class ASTContext;
class Attr;

/// AttrVec - A vector of Attr, which is how they are stored on the AST.
using AttrVec = SmallVector<Attr *, 4>;

/// specific_attr_iterator - Iterates over a subrange of an AttrVec, only
/// providing attributes that are of a specific type.
template <typename SpecificAttr, typename Container = AttrVec>
class specific_attr_iterator {
  using Iterator = typename Container::const_iterator;

/// Current - The current, underlying iterator.
  /// In order to ensure we don't dereference an invalid iterator unless
  /// specifically requested, we don't necessarily advance this all the
  /// way. Instead, we advance it when an operation is requested; if the
  /// operation is acting on what should be a past-the-end iterator,
  /// then we offer no guarantees, but this way we do not dereference a
  /// past-the-end iterator when we move to a past-the-end position.
  mutable Iterator Current;

void AdvanceToNext() const {
    while (!isa<SpecificAttr>(*Current))
      ++Current;
  }

void AdvanceToNext(Iterator I) const {
    while (Current != I && !isa<SpecificAttr>(*Current))
      ++Current;
  }

public:
  using value_type = SpecificAttr *;
  using reference = SpecificAttr *;
  using pointer = SpecificAttr *;
  using iterator_category = std::forward_iterator_tag;
  using difference_type = std::ptrdiff_t;

specific_attr_iterator() = default;
  explicit specific_attr_iterator(Iterator i) : Current(i) {}

reference operator*() const {
    AdvanceToNext();
    return cast<SpecificAttr>(*Current);
  }
  pointer operator->() const {
    AdvanceToNext();
    return cast<SpecificAttr>(*Current);
  }

specific_attr_iterator& operator++() {
    ++Current;
    return *this;
  }
  specific_attr_iterator operator++(int) {
    specific_attr_iterator Tmp(*this);
    ++(*this);
    return Tmp;
  }

friend bool operator==(specific_attr_iterator Left,
                         specific_attr_iterator Right) {
    assert((Left.Current == nullptr) == (Right.Current == nullptr));
    if (Left.Current < Right.Current)
      Left.AdvanceToNext(Right.Current);
    else
      Right.AdvanceToNext(Left.Current);
    return Left.Current == Right.Current;
  }
  friend bool operator!=(specific_attr_iterator Left,
                         specific_attr_iterator Right) {
    return !(Left == Right);
  }
};

template <typename SpecificAttr, typename Container>
inline specific_attr_iterator<SpecificAttr, Container>
          specific_attr_begin(const Container& container) {
  return specific_attr_iterator<SpecificAttr, Container>(container.begin());
}
template <typename SpecificAttr, typename Container>
inline specific_attr_iterator<SpecificAttr, Container>
          specific_attr_end(const Container& container) {
  return specific_attr_iterator<SpecificAttr, Container>(container.end());
}

template <typename SpecificAttr, typename Container>
inline bool hasSpecificAttr(const Container& container) {
  return specific_attr_begin<SpecificAttr>(container) !=
          specific_attr_end<SpecificAttr>(container);
}
template <typename SpecificAttr, typename Container>
inline SpecificAttr *getSpecificAttr(const Container& container) {
  specific_attr_iterator<SpecificAttr, Container> i =
      specific_attr_begin<SpecificAttr>(container);
  if (i != specific_attr_end<SpecificAttr>(container))
    return *i;
  else
    return nullptr;
}

} // namespace clang

#endif // LLVM_CLANG_AST_ATTRITERATOR_H

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