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📄 APValue.cpp(23.33 KB)
📄 ASTConcept.cpp(2.7 KB)
📄 ASTConsumer.cpp(954 B)
📄 ASTContext.cpp(407.36 KB)
📄 ASTDiagnostic.cpp(75.78 KB)
📄 ASTDumper.cpp(9.52 KB)
📄 ASTImporter.cpp(323.93 KB)
📄 ASTImporterLookupTable.cpp(4.85 KB)
📄 ASTStructuralEquivalence.cpp(73.55 KB)
📄 ASTTypeTraits.cpp(6.42 KB)
📄 AttrImpl.cpp(5.3 KB)
📄 CXXABI.h(2.66 KB)
📄 CXXInheritance.cpp(28.55 KB)
📄 Comment.cpp(11.94 KB)
📄 CommentBriefParser.cpp(4.19 KB)
📄 CommentCommandTraits.cpp(4.63 KB)
📄 CommentLexer.cpp(25.38 KB)
📄 CommentParser.cpp(23.52 KB)
📄 CommentSema.cpp(40.88 KB)
📄 ComparisonCategories.cpp(7.23 KB)
📄 ComputeDependence.cpp(28.3 KB)
📄 DataCollection.cpp(1.83 KB)
📄 Decl.cpp(177.21 KB)
📄 DeclBase.cpp(63.37 KB)
📄 DeclCXX.cpp(127.53 KB)
📄 DeclFriend.cpp(2.76 KB)
📄 DeclGroup.cpp(1.16 KB)
📄 DeclObjC.cpp(82.05 KB)
📄 DeclOpenMP.cpp(10.04 KB)
📄 DeclPrinter.cpp(52.6 KB)
📄 DeclTemplate.cpp(57.75 KB)
📄 DeclarationName.cpp(17.52 KB)
📄 Expr.cpp(176.93 KB)
📄 ExprCXX.cpp(69.03 KB)
📄 ExprClassification.cpp(28.48 KB)
📄 ExprConcepts.cpp(9.43 KB)
📄 ExprConstant.cpp(538.88 KB)
📄 ExprObjC.cpp(14.25 KB)
📄 ExternalASTMerger.cpp(22.13 KB)
📄 ExternalASTSource.cpp(3.85 KB)
📄 FormatString.cpp(29.64 KB)
📄 FormatStringParsing.h(3.17 KB)
📄 InheritViz.cpp(5.1 KB)
📁 Interp
📄 ItaniumCXXABI.cpp(8.92 KB)
📄 ItaniumMangle.cpp(182.64 KB)
📄 JSONNodeDumper.cpp(58.07 KB)
📄 Linkage.h(6 KB)
📄 Mangle.cpp(17.71 KB)
📄 MicrosoftCXXABI.cpp(9.12 KB)
📄 MicrosoftMangle.cpp(133.01 KB)
📄 NSAPI.cpp(18.12 KB)
📄 NestedNameSpecifier.cpp(23.31 KB)
📄 ODRHash.cpp(29.78 KB)
📄 OSLog.cpp(7.61 KB)
📄 OpenMPClause.cpp(82.03 KB)
📄 ParentMap.cpp(5.97 KB)
📄 ParentMapContext.cpp(10.7 KB)
📄 PrintfFormatString.cpp(35.8 KB)
📄 QualTypeNames.cpp(18.46 KB)
📄 RawCommentList.cpp(15.52 KB)
📄 RecordLayout.cpp(3.95 KB)
📄 RecordLayoutBuilder.cpp(132.78 KB)
📄 ScanfFormatString.cpp(18.62 KB)
📄 SelectorLocationsKind.cpp(4.48 KB)
📄 Stmt.cpp(45.04 KB)
📄 StmtCXX.cpp(5 KB)
📄 StmtIterator.cpp(2.92 KB)
📄 StmtObjC.cpp(2.75 KB)
📄 StmtOpenMP.cpp(98.6 KB)
📄 StmtPrinter.cpp(70.34 KB)
📄 StmtProfile.cpp(60.24 KB)
📄 StmtViz.cpp(1.75 KB)
📄 TemplateBase.cpp(16.19 KB)
📄 TemplateName.cpp(9.96 KB)
📄 TextNodeDumper.cpp(61.83 KB)
📄 Type.cpp(144.42 KB)
📄 TypeLoc.cpp(20.52 KB)
📄 TypePrinter.cpp(63.28 KB)
📄 VTTBuilder.cpp(7.25 KB)
📄 VTableBuilder.cpp(139.78 KB)

Editing: ASTImporterLookupTable.cpp

//===- ASTImporterLookupTable.cpp - ASTImporter specific lookup -----------===//
//
// 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 ASTImporterLookupTable class which implements a
//  lookup procedure for the import mechanism.
//
//===----------------------------------------------------------------------===//

#include "clang/AST/ASTImporterLookupTable.h"
#include "clang/AST/Decl.h"
#include "clang/AST/RecursiveASTVisitor.h"

namespace clang {

namespace {

struct Builder : RecursiveASTVisitor<Builder> {
  ASTImporterLookupTable &LT;
  Builder(ASTImporterLookupTable &LT) : LT(LT) {}
  bool VisitNamedDecl(NamedDecl *D) {
    LT.add(D);
    return true;
  }
  // In most cases the FriendDecl contains the declaration of the befriended
  // class as a child node, so it is discovered during the recursive
  // visitation. However, there are cases when the befriended class is not a
  // child, thus it must be fetched explicitly from the FriendDecl, and only
  // then can we add it to the lookup table.
  bool VisitFriendDecl(FriendDecl *D) {
    if (D->getFriendType()) {
      QualType Ty = D->getFriendType()->getType();
      if (isa<ElaboratedType>(Ty))
        Ty = cast<ElaboratedType>(Ty)->getNamedType();
      // A FriendDecl with a dependent type (e.g. ClassTemplateSpecialization)
      // always has that decl as child node.
      // However, there are non-dependent cases which does not have the
      // type as a child node. We have to dig up that type now.
      if (!Ty->isDependentType()) {
        if (const auto *RTy = dyn_cast<RecordType>(Ty))
          LT.add(RTy->getAsCXXRecordDecl());
        else if (const auto *SpecTy = dyn_cast<TemplateSpecializationType>(Ty))
          LT.add(SpecTy->getAsCXXRecordDecl());
        else if (const auto *SubstTy =
                     dyn_cast<SubstTemplateTypeParmType>(Ty)) {
          if (SubstTy->getAsCXXRecordDecl())
            LT.add(SubstTy->getAsCXXRecordDecl());
        } else if (isa<TypedefType>(Ty)) {
          // We do not put friend typedefs to the lookup table because
          // ASTImporter does not organize typedefs into redecl chains.
        } else {
          llvm_unreachable("Unhandled type of friend class");
        }
      }
    }
    return true;
  }

// Override default settings of base.
  bool shouldVisitTemplateInstantiations() const { return true; }
  bool shouldVisitImplicitCode() const { return true; }
};

} // anonymous namespace

ASTImporterLookupTable::ASTImporterLookupTable(TranslationUnitDecl &TU) {
  Builder B(*this);
  B.TraverseDecl(&TU);
}

void ASTImporterLookupTable::add(DeclContext *DC, NamedDecl *ND) {
  DeclList &Decls = LookupTable[DC][ND->getDeclName()];
  // Inserts if and only if there is no element in the container equal to it.
  Decls.insert(ND);
}

void ASTImporterLookupTable::remove(DeclContext *DC, NamedDecl *ND) {
  DeclList &Decls = LookupTable[DC][ND->getDeclName()];
  bool EraseResult = Decls.remove(ND);
  (void)EraseResult;
  assert(EraseResult == true && "Trying to remove not contained Decl");
}

void ASTImporterLookupTable::add(NamedDecl *ND) {
  assert(ND);
  DeclContext *DC = ND->getDeclContext()->getPrimaryContext();
  add(DC, ND);
  DeclContext *ReDC = DC->getRedeclContext()->getPrimaryContext();
  if (DC != ReDC)
    add(ReDC, ND);
}

void ASTImporterLookupTable::remove(NamedDecl *ND) {
  assert(ND);
  DeclContext *DC = ND->getDeclContext()->getPrimaryContext();
  remove(DC, ND);
  DeclContext *ReDC = DC->getRedeclContext()->getPrimaryContext();
  if (DC != ReDC)
    remove(ReDC, ND);
}

ASTImporterLookupTable::LookupResult
ASTImporterLookupTable::lookup(DeclContext *DC, DeclarationName Name) const {
  auto DCI = LookupTable.find(DC->getPrimaryContext());
  if (DCI == LookupTable.end())
    return {};

const auto &FoundNameMap = DCI->second;
  auto NamesI = FoundNameMap.find(Name);
  if (NamesI == FoundNameMap.end())
    return {};

return NamesI->second;
}

void ASTImporterLookupTable::dump(DeclContext *DC) const {
  auto DCI = LookupTable.find(DC->getPrimaryContext());
  if (DCI == LookupTable.end())
    llvm::errs() << "empty\n";
  const auto &FoundNameMap = DCI->second;
  for (const auto &Entry : FoundNameMap) {
    DeclarationName Name = Entry.first;
    llvm::errs() << "==== Name: ";
    Name.dump();
    const DeclList& List = Entry.second;
    for (NamedDecl *ND : List) {
      ND->dump();
    }
  }
}

void ASTImporterLookupTable::dump() const {
  for (const auto &Entry : LookupTable) {
    DeclContext *DC = Entry.first;
    StringRef Primary = DC->getPrimaryContext() ? " primary" : "";
    llvm::errs() << "== DC:" << cast<Decl>(DC) << Primary << "\n";
    dump(DC);
  }
}

} // namespace clang

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Editing: ASTImporterLookupTable.cpp

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