parseUnit(class)
  skipErrorTokens(class)
  listener: beginCompilationUnit(class)
  syntheticPreviousToken(class)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(class)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(, class, Instance of 'DirectiveContext')
      parseClassDeclarationModifiers(, class)
      parseClassOrNamedMixinApplication(null, class)
        listener: beginClassOrNamedMixinApplicationPrelude(class)
        ensureIdentifier(class, classOrMixinDeclaration)
          listener: handleIdentifier(C, classOrMixinDeclaration)
        listener: handleNoTypeVariables({)
        listener: beginClassDeclaration(class, null, C)
        parseClass(C, class, class, C)
          parseClassHeaderOpt(C, class, class)
            parseClassExtendsOpt(C)
              listener: handleNoType(C)
              listener: handleClassExtends(null, 1)
            parseWithClauseOpt(C)
              listener: handleClassNoWithClause()
            parseClassOrMixinImplementsOpt(C)
              listener: handleClassOrMixinImplements(null, 0)
            listener: handleClassHeader(class, class, null)
          parseClassOrMixinOrExtensionBody(C, DeclarationKind.Class, C)
            listener: beginClassOrMixinBody(DeclarationKind.Class, {)
            notEofOrValue(}, covariant)
            parseClassOrMixinOrExtensionMemberImpl({, DeclarationKind.Class, C)
              parseMetadataStar({)
                listener: beginMetadataStar(covariant)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields({, null, null, null, covariant, null, final, final, Instance of 'SimpleType', x, DeclarationKind.Class, C, false)
                listener: beginFields({)
                reportRecoverableError(covariant, FinalAndCovariant)
                  listener: handleRecoverableError(FinalAndCovariant, covariant, covariant)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(x)
                listener: handleType(int, null)
                ensureIdentifierPotentiallyRecovered(int, fieldDeclaration, false)
                  listener: handleIdentifier(x, fieldDeclaration)
                parseFieldInitializerOpt(x, x, null, null, null, final, DeclarationKind.Class, C)
                  listener: beginFieldInitializer(=)
                  parseExpression(=)
                    parsePrecedenceExpression(=, 1, true)
                      parseUnaryExpression(=, true)
                        parsePrimary(=, expression)
                          parseLiteralInt(=)
                            listener: handleLiteralInt(42)
                  listener: endFieldInitializer(=, ;)
                listener: endClassFields(null, null, null, null, null, final, 1, covariant, ;)
              listener: endMember()
            notEofOrValue(}, })
            listener: endClassOrMixinBody(DeclarationKind.Class, 1, {, })
          listener: endClassDeclaration(class, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(class)
  listener: endCompilationUnit(1, )