parseUnit(void)
  skipErrorTokens(void)
  listener: beginCompilationUnit(void)
  syntheticPreviousToken(void)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(void)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(void)
      parseTopLevelMethod(, null, null, , Instance of 'VoidType', null, main, false)
        listener: beginTopLevelMethod(, null, null)
        listener: handleVoidKeyword(void)
        ensureIdentifierPotentiallyRecovered(void, 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(}, try)
          parseStatement({)
            parseStatementX({)
              parseTryStatement({)
                listener: beginTryStatement(try)
                parseBlock(try, BlockKind(try statement))
                  ensureBlock(try, null, try statement)
                  listener: beginBlock({, BlockKind(try statement))
                  notEofOrValue(}, ;)
                  parseStatement({)
                    parseStatementX({)
                      parseEmptyStatement({)
                        listener: handleEmptyStatement(;)
                  notEofOrValue(}, })
                  listener: endBlock(1, {, }, BlockKind(try statement))
                listener: beginCatchClause(catch)
                parseFormalParameters(catch, MemberKind.Catch)
                  parseFormalParametersRest((, MemberKind.Catch)
                    listener: beginFormalParameters((, MemberKind.Catch)
                    parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.Catch)
                      parseMetadataStar(()
                        listener: beginMetadataStar(e)
                        listener: endMetadataStar(0)
                      listener: beginFormalParameter(e, MemberKind.Catch, null, null, null)
                      listener: handleNoType(()
                      ensureIdentifier((, formalParameterDeclaration)
                        listener: handleIdentifier(e, formalParameterDeclaration)
                      listener: handleFormalParameterWithoutValue())
                      listener: endFormalParameter(null, null, null, e, null, null, FormalParameterKind.requiredPositional, MemberKind.Catch)
                    listener: endFormalParameters(1, (, ), MemberKind.Catch)
                listener: endCatchClause({)
                parseBlock(), BlockKind(catch clause))
                  ensureBlock(), null, catch clause)
                  listener: beginBlock({, BlockKind(catch clause))
                  notEofOrValue(}, ;)
                  parseStatement({)
                    parseStatementX({)
                      parseEmptyStatement({)
                        listener: handleEmptyStatement(;)
                  notEofOrValue(}, })
                  listener: endBlock(1, {, }, BlockKind(catch clause))
                listener: handleCatchBlock(null, catch, null)
                listener: beginCatchClause(on)
                listener: handleIdentifier(Foo, typeReference)
                listener: handleNoTypeArguments({)
                listener: handleType(Foo, null)
                listener: endCatchClause({)
                parseBlock(Foo, BlockKind(catch clause))
                  ensureBlock(Foo, null, catch clause)
                  listener: beginBlock({, BlockKind(catch clause))
                  notEofOrValue(}, ;)
                  parseStatement({)
                    parseStatementX({)
                      parseEmptyStatement({)
                        listener: handleEmptyStatement(;)
                  notEofOrValue(}, })
                  listener: endBlock(1, {, }, BlockKind(catch clause))
                listener: handleCatchBlock(on, null, null)
                listener: endTryStatement(2, try, null)
          notEofOrValue(}, on)
          parseStatement(})
            parseStatementX(})
              parseExpressionStatementOrDeclaration(}, false)
                parseExpressionStatementOrDeclarationAfterModifiers(}, }, null, null, null, false)
                  looksLikeLocalFunction(on)
                  listener: beginMetadataStar(on)
                  listener: endMetadataStar(0)
                  listener: handleNoTypeVariables(()
                  listener: beginLocalFunctionDeclaration(on)
                  listener: handleNoType(})
                  parseNamedFunctionRest(}, on, on, false)
                    listener: beginFunctionName(on)
                    ensureIdentifier(}, localFunctionDeclaration)
                      inPlainSync()
                      listener: handleIdentifier(on, localFunctionDeclaration)
                    listener: endFunctionName(on, ()
                    parseFormalParametersRequiredOpt(on, MemberKind.Local)
                      parseFormalParametersRest((, MemberKind.Local)
                        listener: beginFormalParameters((, MemberKind.Local)
                        parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.Local)
                          parseMetadataStar(()
                            listener: beginMetadataStar(e)
                            listener: endMetadataStar(0)
                          listener: beginFormalParameter(e, MemberKind.Local, null, null, null)
                          listener: handleNoType(()
                          ensureIdentifier((, formalParameterDeclaration)
                            listener: handleIdentifier(e, formalParameterDeclaration)
                          listener: handleFormalParameterWithoutValue())
                          listener: endFormalParameter(null, null, null, e, null, null, FormalParameterKind.requiredPositional, MemberKind.Local)
                        listener: endFormalParameters(1, (, ), MemberKind.Local)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncOptBody(), false, false)
                      parseAsyncModifierOpt())
                        listener: handleAsyncModifier(null, null)
                        inPlainSync()
                      parseFunctionBody(), false, false)
                        listener: beginBlockFunctionBody({)
                        notEofOrValue(}, ;)
                        parseStatement({)
                          parseStatementX({)
                            parseEmptyStatement({)
                              listener: handleEmptyStatement(;)
                        notEofOrValue(}, })
                        listener: endBlockFunctionBody(1, {, })
                    listener: endLocalFunctionDeclaration(})
          notEofOrValue(}, on)
          parseStatement(})
            parseStatementX(})
              parseExpressionStatementOrDeclaration(}, false)
                parseExpressionStatementOrDeclarationAfterModifiers(}, }, null, null, null, false)
                  looksLikeLocalFunction(on)
                  parseExpressionStatement(})
                    parseExpression(})
                      parsePrecedenceExpression(}, 1, true)
                        parseUnaryExpression(}, true)
                          parsePrimary(}, expression)
                            inPlainSync()
                            parseSendOrFunctionLiteral(}, expression)
                              looksLikeFunctionBody(;)
                              parseSend(}, expression)
                                isNextIdentifier(})
                                ensureIdentifier(}, expression)
                                  inPlainSync()
                                  listener: handleIdentifier(on, expression)
                                listener: handleNoTypeArguments(()
                                parseArgumentsOpt(on)
                                  parseArguments(on)
                                    parseArgumentsRest(()
                                      listener: beginArguments(()
                                      parseExpression(()
                                        parsePrecedenceExpression((, 1, true)
                                          parseUnaryExpression((, true)
                                            parsePrimary((, expression)
                                              parseLiteralString(()
                                                parseSingleLiteralString(()
                                                  listener: beginLiteralString("")
                                                  listener: endLiteralString(0, ))
                                      listener: endArguments(1, (, ))
                                listener: handleSend(on, ;)
                    ensureSemicolon())
                    listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(3, {, })
        listener: endTopLevelMethod(void, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(void)
  listener: endCompilationUnit(1, )