/*
 * Copyright (C) 2007-2019 Artima, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Automatically generated Scala interpreter transcript from:
 *
 * Programming in Scala (Fourth Edition)
 * by Martin Odersky, Lex Spoon, Bill Venners
 *
 * http://booksites.artima.com/programming_in_scala_4ed
 */


scala>   import scala.util.parsing.combinator._
       
         class Arith extends JavaTokenParsers {   
           def expr: Parser[Any] = term~rep("+"~term | "-"~term)
           def term: Parser[Any] = factor~rep("*"~factor | "/"~factor)
           def factor: Parser[Any] = floatingPointNumber | "("~expr~")"
         }

                           ^
       error: object parsing is not a member of package util
                class Arith extends JavaTokenParsers {
                                    ^
On line 3: error: not found: type JavaTokenParsers
                  def expr: Parser[Any] = term~rep("+"~term | "-"~term)
                            ^
On line 4: error: not found: type Parser
                  def term: Parser[Any] = factor~rep("*"~factor | "/"~factor)
                            ^
On line 5: error: not found: type Parser
                  def factor: Parser[Any] = floatingPointNumber | "("~expr~")"
                              ^
On line 6: error: not found: type Parser
                  def factor: Parser[Any] = floatingPointNumber | "("~expr~")"
                                            ^
On line 6: error: not found: value floatingPointNumber
                  def factor: Parser[Any] = floatingPointNumber | "("~expr~")"
                                                                     ^
On line 6: error: value ~ is not a member of String

scala>   object ParseExpr extends Arith {
           def main(args: Array[String]) = {
             println("input : " + args(0))
             println(parseAll(expr, args(0)))
           }
         }

                                  ^
       error: not found: type Arith
                    println(parseAll(expr, args(0)))
                            ^
On line 4: error: not found: value parseAll
                    println(parseAll(expr, args(0)))
                                     ^
On line 4: error: not found: value expr

scala> ParseExpr.main(Array("2 * (3 + 7)"))
       ^
       error: not found: value ParseExpr

scala> ParseExpr.main(Array("2 * (3 + 7))"))
       ^
       error: not found: value ParseExpr

scala> import scala.util.parsing.combinator._
       
       class JSON extends JavaTokenParsers {   
       
         def value : Parser[Any] = obj | arr | 
                                   stringLiteral | 
                                   floatingPointNumber | 
                                   "null" | "true" | "false"
       
         def obj   : Parser[Any] = "{"~repsep(member, ",")~"}"
       
         def arr   : Parser[Any] = "["~repsep(value, ",")~"]"
       
         def member: Parser[Any] = stringLiteral~":"~value
       }

         import java.io.FileReader
       
         object ParseJSON extends JSON {
           def main(args: Array[String]) = {
             val reader = new FileReader(args(0))
             println(parseAll(value, reader))
           }
         }

                         ^
       error: object parsing is not a member of package util
              class JSON extends JavaTokenParsers {
                                 ^
On line 3: error: not found: type JavaTokenParsers
                def value : Parser[Any] = obj | arr |
                            ^
On line 5: error: not found: type Parser
                def obj   : Parser[Any] = "{"~repsep(member, ",")~"}"
                            ^
On line 10: error: not found: type Parser
                def member: Parser[Any] = stringLiteral~":"~value
                            ^
On line 14: error: not found: type Parser
                def obj   : Parser[Any] = "{"~repsep(member, ",")~"}"
                                             ^
On line 10: error: value ~ is not a member of String
                def obj   : Parser[Any] = "{"~repsep(member, ",")~"}"
                                              ^
On line 10: error: not found: value repsep
                def arr   : Parser[Any] = "["~repsep(value, ",")~"]"
                            ^
On line 12: error: not found: type Parser
                def arr   : Parser[Any] = "["~repsep(value, ",")~"]"
                                             ^
On line 12: error: value ~ is not a member of String
                def arr   : Parser[Any] = "["~repsep(value, ",")~"]"
                                              ^
On line 12: error: not found: value repsep
                def member: Parser[Any] = stringLiteral~":"~value
                                          ^
On line 14: error: not found: value stringLiteral
                    println(parseAll(value, reader))
                            ^
On line 22: error: not found: value parseAll

scala> val addressbook = """
            {
           "address book": {
             "name": "John Smith",
             "address": {
               "street": "10 Market Street",
               "city"  : "San Francisco, CA",
               "zip"   : 94111
             },
             "phone numbers": [
               "408 338-4238",
               "408 111-6892"
             ]
           }
         }

       """.trim
addressbook: String =
{
           "address book": {
             "name": "John Smith",
             "address": {
               "street": "10 Market Street",
               "city"  : "San Francisco, CA",
               "zip"   : 94111
             },
             "phone numbers": [
               "408 338-4238",
               "408 111-6892"
             ]
           }
         }

scala> object ParseJSONShell extends JSON {
       def main(str: String) = {
         val reader = new java.io.StringReader(str)
         println(parseAll(value, reader))
       } }
                                     ^
       error: not found: type JSON
         println(parseAll(value, reader))
                 ^
On line 4: error: not found: value parseAll
         println(parseAll(value, reader))
                          ^
On line 4: error: not found: value value

scala> ParseJSONShell.main(addressbook)
       ^
       error: not found: value ParseJSONShell

scala>   import scala.util.parsing.combinator._
       
         class JSON1 extends JavaTokenParsers {   
       
           def obj: Parser[Map[String, Any]] = 
             "{"~> repsep(member, ",") <~"}" ^^ (Map() ++ _)
       
           def arr: Parser[List[Any]] =
             "["~> repsep(value, ",") <~"]" 
       
           def member: Parser[(String, Any)] = 
             stringLiteral~":"~value ^^ 
               { case name~":"~value => (name, value) }
       
           def value: Parser[Any] = (
             obj
           | arr 
           | stringLiteral
           | floatingPointNumber ^^ (_.toDouble) 
           | "null"  ^^ (x => null) 
           | "true"  ^^ (x => true) 
           | "false" ^^ (x => false)
           )
         }

                           ^
       error: object parsing is not a member of package util
                class JSON1 extends JavaTokenParsers {
                                    ^
On line 3: error: not found: type JavaTokenParsers
                  def obj: Parser[Map[String, Any]] =
                           ^
On line 5: error: not found: type Parser
                  def member: Parser[(String, Any)] =
                              ^
On line 11: error: not found: type Parser
                    "{"~> repsep(member, ",") <~"}" ^^ (Map() ++ _)
                       ^
On line 6: error: value ~> is not a member of String
                    "{"~> repsep(member, ",") <~"}" ^^ (Map() ++ _)
                          ^
On line 6: error: not found: value repsep
                  def arr: Parser[List[Any]] =
                           ^
On line 8: error: not found: type Parser
                  def value: Parser[Any] = (
                             ^
On line 15: error: not found: type Parser
                    "["~> repsep(value, ",") <~"]"
                       ^
On line 9: error: value ~> is not a member of String
                    "["~> repsep(value, ",") <~"]"
                          ^
On line 9: error: not found: value repsep
                    stringLiteral~":"~value ^^
                    ^
On line 12: error: not found: value stringLiteral
                      { case name~":"~value => (name, value) }
                                     ^
On line 13: error: not found: value ~
                      { case name~":"~value => (name, value) }
                                 ^
On line 13: error: not found: value ~

scala> val addressbook = """
            {
           "address book": {
             "name": "John Smith",
             "address": {
               "street": "10 Market Street",
               "city"  : "San Francisco, CA",
               "zip"   : 94111
             },
             "phone numbers": [
               "408 338-4238",
               "408 111-6892"
             ]
           }
         }

       """.trim
addressbook: String =
{
           "address book": {
             "name": "John Smith",
             "address": {
               "street": "10 Market Street",
               "city"  : "San Francisco, CA",
               "zip"   : 94111
             },
             "phone numbers": [
               "408 338-4238",
               "408 111-6892"
             ]
           }
         }

scala> object JSON1TestShell extends JSON1 {
       def main(str: String) = {
         val reader = new java.io.StringReader(str)
         println(parseAll(value, reader))
       } }
                                     ^
       error: not found: type JSON1
         println(parseAll(value, reader))
                 ^
On line 4: error: not found: value parseAll
         println(parseAll(value, reader))
                          ^
On line 4: error: not found: value value

scala> JSON1TestShell.main(addressbook)
       ^
       error: not found: value JSON1TestShell