void ASTExporter::VisitDeclContext()

in facebook-clang-plugins/libtooling/ASTExporter.h [693:730]

• 32 lines of code
• 6 McCabe index (conditional complexity)

void ASTExporter<ATDWriter>::VisitDeclContext(const DeclContext *DC) {
  if (!DC) {
    {
      ArrayScope Scope(OF, 0);
    }
    { ObjectScope Scope(OF, 0); }
    return;
  }
  {
    std::vector<Decl *> declsToDump;
    for (auto I : DC->decls()) {
      declsToDump.push_back(I);
    }
    /* Some typedefs are not part of AST. 'instancetype' is one of them.
    Export it nevertheless as part of TranslationUnitDecl context. */
    // getObjCInstanceType() should return null type when 'instancetype' is not
    // known yet - it doesn't work this way due to bug in clang, but keep
    // the check for when the bug is fixed.
    if (isa<TranslationUnitDecl>(DC) &&
        Context.getObjCInstanceType().getTypePtrOrNull()) {
      declsToDump.push_back(Context.getObjCInstanceTypeDecl());
    }
    ArrayScope Scope(OF, declsToDump.size());
    for (auto I : declsToDump) {
      dumpDecl(I);
    }
  }
  {
    bool HasExternalLexicalStorage = DC->hasExternalLexicalStorage();
    bool HasExternalVisibleStorage = DC->hasExternalVisibleStorage();
    ObjectScope Scope(OF,
                      0 + HasExternalLexicalStorage +
                          HasExternalVisibleStorage); // not covered by tests

    OF.emitFlag("has_external_lexical_storage", HasExternalLexicalStorage);
    OF.emitFlag("has_external_visible_storage", HasExternalVisibleStorage);
  }
}