parseUnit(main)
  skipErrorTokens(main)
  listener: beginCompilationUnit(main)
  syntheticPreviousToken(main)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(main)
      isReservedKeyword(()
      parseTopLevelMethod(, null, , Instance of 'NoType', null, main, false)
        listener: beginTopLevelMethod(, null)
        listener: handleNoType()
        ensureIdentifierPotentiallyRecovered(, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(main, topLevelFunctionDeclaration)
        parseMethodTypeVar(main)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(main, main, false, MemberKind.TopLevelMethod)
          parseFormalParameters(main, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              listener: endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, var)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers(var, {, null, var, null, false)
                looksLikeLocalFunction(c)
                listener: beginMetadataStar(var)
                listener: endMetadataStar(0)
                listener: handleNoType(var)
                listener: beginVariablesDeclaration(c, null, var)
                parseVariablesDeclarationRest(var, true)
                  parseOptionallyInitializedIdentifier(var)
                    ensureIdentifier(var, localVariableDeclaration)
                      listener: handleIdentifier(c, localVariableDeclaration)
                    listener: beginInitializedIdentifier(c)
                    parseVariableInitializerOpt(c)
                      listener: handleNoVariableInitializer(c)
                    listener: endInitializedIdentifier(c)
                  ensureSemicolon(c)
                  listener: endVariablesDeclaration(1, ;)
          notEofOrValue(}, c)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(c)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            parseSend(;, expression)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(c, expression)
                              listener: handleNoTypeArguments(?.[)
                              parseArgumentsOpt(c)
                                listener: handleNoArguments(?.[)
                              listener: handleSend(c, ?.[)
                      parseArgumentOrIndexStar(c, Instance of 'NoTypeParamOrArg', false)
                        parseExpression(?.[)
                          parsePrecedenceExpression(?.[, 1, true)
                            parseUnaryExpression(?.[, true)
                              parsePrimary(?.[, expression)
                                parseLiteralInt(?.[)
                                  listener: handleLiteralInt(1)
                        listener: handleIndexedExpression(null, ?.[, ])
                      parsePrecedenceExpression(=, 1, true)
                        parseUnaryExpression(=, true)
                          parsePrimary(=, expression)
                            parseLiteralInt(=)
                              listener: handleLiteralInt(42)
                      listener: handleAssignmentExpression(=)
                  ensureSemicolon(42)
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(2, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(main)
  listener: endCompilationUnit(1, )