parseUnit(main)
  skipErrorTokens(main)
  listener: beginCompilationUnit(main)
  syntheticPreviousToken(main)
  parseTopLevelDeclarationImpl(, DirectiveContext(DirectiveState.Unknown))
    parseMetadataStar()
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(main)
      isReservedKeyword(()
      parseTopLevelMethod(, null, null, , NoType(), null, main, false)
        listener: beginTopLevelMethod(, null, 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({)
          notEofOrType(CLOSE_CURLY_BRACKET, ()
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclaration({, null)
                parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, null)
                  looksLikeLocalFunction(()
                  parseExpressionStatement({)
                    parseExpression({)
                      looksLikeOuterPatternEquals({)
                        skipOuterPattern({)
                      parsePrecedenceExpression({, 1, true, ConstantPatternContext.none)
                        parseUnaryExpression({, true, ConstantPatternContext.none)
                          parsePrimary({, expression, ConstantPatternContext.none)
                            parseParenthesizedExpressionFunctionLiteralOrRecordLiteral({, ConstantPatternContext.none)
                              listener: handleNoTypeVariables(()
                              parseFunctionExpression({)
                                listener: beginFunctionExpression(()
                                parseFormalParametersRequiredOpt({, MemberKind.Local)
                                  parseFormalParametersRest((, MemberKind.Local)
                                    listener: beginFormalParameters((, MemberKind.Local)
                                    listener: endFormalParameters(0, (, ), MemberKind.Local)
                                parseAsyncOptBody(), true, false)
                                  parseAsyncModifierOpt())
                                    listener: handleAsyncModifier(null, null)
                                    inPlainSync()
                                  parseFunctionBody(), true, false)
                                    listener: beginBlockFunctionBody({)
                                    notEofOrType(CLOSE_CURLY_BRACKET, })
                                    listener: endBlockFunctionBody(0, {, })
                                listener: endFunctionExpression((, })
                    ensureSemicolon(})
                    listener: handleExpressionStatement((, ;)
          notEofOrType(CLOSE_CURLY_BRACKET, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration(})
  reportAllErrorTokens(main)
  listener: endCompilationUnit(1, )