parseUnit(f)
  skipErrorTokens(f)
  listener: beginCompilationUnit(f)
  syntheticPreviousToken(f)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(f)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(f)
      isReservedKeyword(()
      parseTopLevelMethod(, null, , Instance of 'NoType', null, f, false)
        listener: beginTopLevelMethod(, null)
        listener: handleNoType()
        ensureIdentifierPotentiallyRecovered(, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(f, topLevelFunctionDeclaration)
        parseMethodTypeVar(f)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(f, f, false, MemberKind.TopLevelMethod)
          parseFormalParameters(f, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
                parseMetadataStar(()
                  listener: beginMetadataStar(dynamic)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(dynamic, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(dynamic, typeReference)
                listener: handleNoTypeArguments(x)
                listener: handleType(dynamic, null)
                ensureIdentifier(dynamic, formalParameterDeclaration)
                  listener: handleIdentifier(x, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, x, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(dynamic)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(dynamic, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(dynamic, typeReference)
                listener: handleNoTypeArguments(i)
                listener: handleType(dynamic, null)
                ensureIdentifier(dynamic, formalParameterDeclaration)
                  listener: handleIdentifier(i, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue())
                listener: endFormalParameter(null, null, i, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
              listener: endFormalParameters(2, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, ++)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclaration({, false)
                parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                  looksLikeLocalFunction(++)
                  parseExpressionStatement({)
                    parseExpression({)
                      parsePrecedenceExpression({, 1, true)
                        parseUnaryExpression({, true)
                          parsePrecedenceExpression(++, 16, true)
                            parseUnaryExpression(++, true)
                              parsePrimary(++, expression)
                                parseSendOrFunctionLiteral(++, expression)
                                  parseSend(++, expression)
                                    ensureIdentifier(++, expression)
                                      listener: handleIdentifier(x, expression)
                                    listener: handleNoTypeArguments(?)
                                    parseArgumentsOpt(x)
                                      listener: handleNoArguments(?)
                                    listener: handleSend(x, ?)
                            canParseAsConditional(?)
                              parseExpressionWithoutCascade(?)
                                parsePrecedenceExpression(?, 1, false)
                                  parseUnaryExpression(?, false)
                                    parsePrimary(?, expression)
                                      parseLiteralListSuffix(?, null)
                                        parseExpression([)
                                          parsePrecedenceExpression([, 1, true)
                                            parseUnaryExpression([, true)
                                              parsePrimary([, expression)
                                                parseSendOrFunctionLiteral([, expression)
                                                  parseSend([, expression)
                                                    ensureIdentifier([, expression)
                                                    parseArgumentsOpt(i)
                            parseArgumentOrIndexStar(x, Instance of 'NoTypeParamOrArg', true)
                              parseExpression([)
                                parsePrecedenceExpression([, 1, true)
                                  parseUnaryExpression([, true)
                                    parsePrimary([, expression)
                                      parseSendOrFunctionLiteral([, expression)
                                        parseSend([, expression)
                                          ensureIdentifier([, expression)
                                            listener: handleIdentifier(i, expression)
                                          listener: handleNoTypeArguments(])
                                          parseArgumentsOpt(i)
                                            listener: handleNoArguments(])
                                          listener: handleSend(i, ])
                              listener: handleIndexedExpression(?, [, ])
                          listener: handleUnaryPrefixAssignmentExpression(++)
                    ensureSemicolon(])
                    listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(f, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(f)
  listener: endCompilationUnit(1, )