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usr / src / contrib / llvm-project / clang / include / clang / AST /

📁 ..
📄 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: EvaluatedExprVisitor.h

//===--- EvaluatedExprVisitor.h - Evaluated expression visitor --*- 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 EvaluatedExprVisitor class template, which visits
//  the potentially-evaluated subexpressions of a potentially-evaluated
//  expression.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H
#define LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H

#include "clang/AST/DeclCXX.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/StmtVisitor.h"
#include "llvm/ADT/STLExtras.h"

namespace clang {

class ASTContext;

/// Given a potentially-evaluated expression, this visitor visits all
/// of its potentially-evaluated subexpressions, recursively.
template<template <typename> class Ptr, typename ImplClass>
class EvaluatedExprVisitorBase : public StmtVisitorBase<Ptr, ImplClass, void> {
protected:
  const ASTContext &Context;

public:
#define PTR(CLASS) typename Ptr<CLASS>::type

explicit EvaluatedExprVisitorBase(const ASTContext &Context) : Context(Context) { }

// Expressions that have no potentially-evaluated subexpressions (but may have
  // other sub-expressions).
  void VisitDeclRefExpr(PTR(DeclRefExpr) E) { }
  void VisitOffsetOfExpr(PTR(OffsetOfExpr) E) { }
  void VisitUnaryExprOrTypeTraitExpr(PTR(UnaryExprOrTypeTraitExpr) E) { }
  void VisitExpressionTraitExpr(PTR(ExpressionTraitExpr) E) { }
  void VisitBlockExpr(PTR(BlockExpr) E) { }
  void VisitCXXUuidofExpr(PTR(CXXUuidofExpr) E) { }
  void VisitCXXNoexceptExpr(PTR(CXXNoexceptExpr) E) { }

void VisitMemberExpr(PTR(MemberExpr) E) {
    // Only the base matters.
    return this->Visit(E->getBase());
  }

void VisitChooseExpr(PTR(ChooseExpr) E) {
    // Don't visit either child expression if the condition is dependent.
    if (E->getCond()->isValueDependent())
      return;
    // Only the selected subexpression matters; the other one is not evaluated.
    return this->Visit(E->getChosenSubExpr());
  }

void VisitGenericSelectionExpr(PTR(GenericSelectionExpr) E) {
    // The controlling expression of a generic selection is not evaluated.

// Don't visit either child expression if the condition is type-dependent.
    if (E->isResultDependent())
      return;
    // Only the selected subexpression matters; the other subexpressions and the
    // controlling expression are not evaluated.
    return this->Visit(E->getResultExpr());
  }

void VisitDesignatedInitExpr(PTR(DesignatedInitExpr) E) {
    // Only the actual initializer matters; the designators are all constant
    // expressions.
    return this->Visit(E->getInit());
  }

void VisitCXXTypeidExpr(PTR(CXXTypeidExpr) E) {
    if (E->isPotentiallyEvaluated())
      return this->Visit(E->getExprOperand());
  }

void VisitCallExpr(PTR(CallExpr) CE) {
    if (!CE->isUnevaluatedBuiltinCall(Context))
      return static_cast<ImplClass*>(this)->VisitExpr(CE);
  }

void VisitLambdaExpr(PTR(LambdaExpr) LE) {
    // Only visit the capture initializers, and not the body.
    for (LambdaExpr::const_capture_init_iterator I = LE->capture_init_begin(),
                                                 E = LE->capture_init_end();
         I != E; ++I)
      if (*I)
        this->Visit(*I);
  }

/// The basis case walks all of the children of the statement or
  /// expression, assuming they are all potentially evaluated.
  void VisitStmt(PTR(Stmt) S) {
    for (auto *SubStmt : S->children())
      if (SubStmt)
        this->Visit(SubStmt);
  }

#undef PTR
};

/// EvaluatedExprVisitor - This class visits 'Expr *'s
template <typename ImplClass>
class EvaluatedExprVisitor
    : public EvaluatedExprVisitorBase<std::add_pointer, ImplClass> {
public:
  explicit EvaluatedExprVisitor(const ASTContext &Context)
      : EvaluatedExprVisitorBase<std::add_pointer, ImplClass>(Context) {}
};

/// ConstEvaluatedExprVisitor - This class visits 'const Expr *'s.
template <typename ImplClass>
class ConstEvaluatedExprVisitor
    : public EvaluatedExprVisitorBase<llvm::make_const_ptr, ImplClass> {
public:
  explicit ConstEvaluatedExprVisitor(const ASTContext &Context)
      : EvaluatedExprVisitorBase<llvm::make_const_ptr, ImplClass>(Context) {}
};
}

#endif // LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H

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Editing: EvaluatedExprVisitor.h

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