From e55510607031aaf7b8473453f83c44a26c9b97e0 Mon Sep 17 00:00:00 2001
From: Adriaan Moors <adriaan.moors@typesafe.com>
Date: Mon, 9 Dec 2013 11:06:22 -0800
Subject: Remove docs/examples; they reside at scala/scala-dist

---
 docs/examples/parsing/ArithmeticParsers.scala | 70 ---------------------------
 1 file changed, 70 deletions(-)
 delete mode 100644 docs/examples/parsing/ArithmeticParsers.scala

(limited to 'docs/examples/parsing/ArithmeticParsers.scala')

diff --git a/docs/examples/parsing/ArithmeticParsers.scala b/docs/examples/parsing/ArithmeticParsers.scala
deleted file mode 100644
index 62d7a61862..0000000000
--- a/docs/examples/parsing/ArithmeticParsers.scala
+++ /dev/null
@@ -1,70 +0,0 @@
-package examples.parsing
-
-import scala.util.parsing.combinator1.syntactical.StandardTokenParsers
-
-object ArithmeticParsers extends StandardTokenParsers {   
-  lexical.delimiters ++= List("(", ")", "+", "-", "*", "/")
-
-  def expr: Parser[Any] = term ~ rep("+" ~ term | "-" ~ term)
-  def term = factor ~ rep("*" ~ factor | "/" ~ factor)
-  def factor: Parser[Any] = "(" ~ expr ~ ")" | numericLit
-
-  def main(args: Array[String]) {
-    val tokens = new lexical.Scanner(args(0))
-    println(args(0))
-    println(phrase(expr)(tokens))
-  }
-}
-
-object ArithmeticParsers1 extends StandardTokenParsers {   
-  lexical.delimiters ++= List("(", ")", "+", "-", "*", "/")
-
-  val reduceList: Int ~ List[String ~ Int] => Int = {
-    case i ~ ps => (i /: ps)(reduce) 
-  }
-
-  def reduce(x: Int, r: String ~ Int) = (r: @unchecked) match {
-    case "+" ~ y => x + y
-    case "-" ~ y => x - y
-    case "*" ~ y => x * y
-    case "/" ~ y => x / y
-  }
-
-  def expr  : Parser[Int] = term ~ rep ("+" ~ term | "-" ~ term) ^^ reduceList
-  def term  : Parser[Int] = factor ~ rep ("*" ~ factor | "/" ~ factor) ^^ reduceList
-  def factor: Parser[Int] = "(" ~> expr <~ ")" | numericLit ^^ (_.toInt)
-
-  def main(args: Array[String]) {
-    val tokens = new lexical.Scanner(args(0))
-    println(args(0))
-    println(phrase(expr)(tokens))
-  }
-}
-
-class Expr
-case class BinOp(op: String, l: Expr, r: Expr) extends Expr
-case class Num(n: Int) extends Expr
-
-object ArithmeticParsers2 extends StandardTokenParsers {   
-  lexical.delimiters ++= List("(", ")", "+", "-", "*", "/")
-
-  val reduceList: Expr ~ List[String ~ Expr] => Expr = {
-    case i ~ ps => (i /: ps)(reduce) 
-  }
-
-  def reduce(l: Expr, r: String ~ Expr) = BinOp(r._1, l, r._2)
-  def mkNum(s: String) = Num(s.toInt)
-
-  def expr  : Parser[Expr] = term ~ rep ("+" ~ term | "-" ~ term) ^^ reduceList
-  def term  : Parser[Expr] = factor ~ rep ("*" ~ factor | "/" ~ factor) ^^ reduceList
-  def factor: Parser[Expr] = "(" ~> expr <~ ")" | numericLit ^^ ((s: String) => Num(s.toInt))
-
-  def main(args: Array[String]) {
-    val parse = phrase(expr)
-    val tokens = new lexical.Scanner(args(0))
-    println(args(0))
-    println(parse(tokens))
-  }
-}
-
-
-- 
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