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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)
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📄 AbstractBasicReader.h(8.82 KB)
📄 AbstractBasicWriter.h(7.97 KB)
📄 AbstractTypeReader.h(922 B)
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📄 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)
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📄 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)
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📄 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)
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📄 DeclarationName.h(33.77 KB)
📄 DependenceFlags.h(10.99 KB)
📄 DependentDiagnostic.h(5.4 KB)
📄 EvaluatedExprVisitor.h(4.45 KB)
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📄 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)
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📄 Mangle.h(10.65 KB)
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📄 OpenMPClause.h(276.08 KB)
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📄 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)
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📄 StmtObjC.h(12.86 KB)
📄 StmtOpenMP.h(189.5 KB)
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📄 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: LambdaCapture.h

//===--- LambdaCapture.h - Types for C++ Lambda Captures --------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Defines the LambdaCapture class.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_LAMBDACAPTURE_H
#define LLVM_CLANG_AST_LAMBDACAPTURE_H

#include "clang/AST/Decl.h"
#include "clang/Basic/Lambda.h"
#include "llvm/ADT/PointerIntPair.h"

namespace clang {

/// Describes the capture of a variable or of \c this, or of a
/// C++1y init-capture.
class LambdaCapture {
  enum {
    /// Flag used by the Capture class to indicate that the given
    /// capture was implicit.
    Capture_Implicit = 0x01,

/// Flag used by the Capture class to indicate that the
    /// given capture was by-copy.
    ///
    /// This includes the case of a non-reference init-capture.
    Capture_ByCopy = 0x02,

/// Flag used by the Capture class to distinguish between a capture
    /// of '*this' and a capture of a VLA type.
    Capture_This = 0x04
  };

// Decl could represent:
  // - a VarDecl* that represents the variable that was captured or the
  //   init-capture.
  // - or, is a nullptr and Capture_This is set in Bits if this represents a
  //   capture of '*this' by value or reference.
  // - or, is a nullptr and Capture_This is not set in Bits if this represents
  //   a capture of a VLA type.
  llvm::PointerIntPair<Decl*, 3> DeclAndBits;

SourceLocation Loc;
  SourceLocation EllipsisLoc;

friend class ASTStmtReader;
  friend class ASTStmtWriter;

public:
  /// Create a new capture of a variable or of \c this.
  ///
  /// \param Loc The source location associated with this capture.
  ///
  /// \param Kind The kind of capture (this, byref, bycopy), which must
  /// not be init-capture.
  ///
  /// \param Implicit Whether the capture was implicit or explicit.
  ///
  /// \param Var The local variable being captured, or null if capturing
  /// \c this.
  ///
  /// \param EllipsisLoc The location of the ellipsis (...) for a
  /// capture that is a pack expansion, or an invalid source
  /// location to indicate that this is not a pack expansion.
  LambdaCapture(SourceLocation Loc, bool Implicit, LambdaCaptureKind Kind,
                VarDecl *Var = nullptr,
                SourceLocation EllipsisLoc = SourceLocation());

/// Determine the kind of capture.
  LambdaCaptureKind getCaptureKind() const;

/// Determine whether this capture handles the C++ \c this
  /// pointer.
  bool capturesThis() const {
    return DeclAndBits.getPointer() == nullptr &&
          (DeclAndBits.getInt() & Capture_This);
  }

/// Determine whether this capture handles a variable.
  bool capturesVariable() const {
    return dyn_cast_or_null<VarDecl>(DeclAndBits.getPointer());
  }

/// Determine whether this captures a variable length array bound
  /// expression.
  bool capturesVLAType() const {
    return DeclAndBits.getPointer() == nullptr &&
           !(DeclAndBits.getInt() & Capture_This);
  }

/// Retrieve the declaration of the local variable being
  /// captured.
  ///
  /// This operation is only valid if this capture is a variable capture
  /// (other than a capture of \c this).
  VarDecl *getCapturedVar() const {
    assert(capturesVariable() && "No variable available for capture");
    return static_cast<VarDecl *>(DeclAndBits.getPointer());
  }

/// Determine whether this was an implicit capture (not
  /// written between the square brackets introducing the lambda).
  bool isImplicit() const {
    return DeclAndBits.getInt() & Capture_Implicit;
  }

/// Determine whether this was an explicit capture (written
  /// between the square brackets introducing the lambda).
  bool isExplicit() const { return !isImplicit(); }

/// Retrieve the source location of the capture.
  ///
  /// For an explicit capture, this returns the location of the
  /// explicit capture in the source. For an implicit capture, this
  /// returns the location at which the variable or \c this was first
  /// used.
  SourceLocation getLocation() const { return Loc; }

/// Determine whether this capture is a pack expansion,
  /// which captures a function parameter pack.
  bool isPackExpansion() const { return EllipsisLoc.isValid(); }

/// Retrieve the location of the ellipsis for a capture
  /// that is a pack expansion.
  SourceLocation getEllipsisLoc() const {
    assert(isPackExpansion() && "No ellipsis location for a non-expansion");
    return EllipsisLoc;
  }
};

} // end namespace clang

#endif // LLVM_CLANG_AST_LAMBDACAPTURE_H

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