void ASTExporter::VisitClassTemplateDecl()

in facebook-clang-plugins/libtooling/ASTExporter.h [2151:2180]

• 28 lines of code
• 10 McCabe index (conditional complexity)

void ASTExporter<ATDWriter>::VisitClassTemplateDecl(
    const ClassTemplateDecl *D) {
  ASTExporter<ATDWriter>::VisitRedeclarableTemplateDecl(D);
  std::vector<const ClassTemplateSpecializationDecl *> DeclsToDump;
  if (D == D->getCanonicalDecl()) {
    // dump specializations once
    for (const auto *spec : D->specializations()) {
      switch (spec->getTemplateSpecializationKind()) {
      case TSK_Undeclared:
      case TSK_ImplicitInstantiation:
        DeclsToDump.push_back(spec);
        break;
      case TSK_ExplicitSpecialization:
      case TSK_ExplicitInstantiationDeclaration:
      case TSK_ExplicitInstantiationDefinition:
        // these specializations will be dumped elsewhere
        break;
      }
    }
  }
  bool ShouldDumpSpecializations = !DeclsToDump.empty();
  ObjectScope Scope(OF, 0 + ShouldDumpSpecializations);
  if (ShouldDumpSpecializations) {
    OF.emitTag("specializations");
    ArrayScope aScope(OF, DeclsToDump.size());
    for (const auto *spec : DeclsToDump) {
      dumpDecl(spec);
    }
  }
}