diff options
Diffstat (limited to 'test/files/run/packrat2.scala')
-rw-r--r-- | test/files/run/packrat2.scala | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/test/files/run/packrat2.scala b/test/files/run/packrat2.scala index b91a2eae46..f55021a6a8 100644 --- a/test/files/run/packrat2.scala +++ b/test/files/run/packrat2.scala @@ -22,15 +22,15 @@ object Test extends App{ } object grammars2 extends StandardTokenParsers with PackratParsers{ - + def extractResult(r : ParseResult[_]) = r match{ case Success(a,_) => a case NoSuccess(a,_) => a } - + lexical.delimiters ++= List("+","-","*","/","(",")") lexical.reserved ++= List("Hello","World") - + /* * exp = sum | prod | num * sum = exp ~ "+" ~ num @@ -40,18 +40,18 @@ object grammars2 extends StandardTokenParsers with PackratParsers{ val exp : PackratParser[Int] = sum | prod | numericLit ^^{_.toInt} | "("~>exp<~")" val sum : PackratParser[Int] = exp~("+"~>exp) ^^ {case x~y => x+y} val prod: PackratParser[Int] = exp~("*"~>(numericLit ^^{_.toInt} | exp)) ^^ {case x~y => x*y} - - + + /* lexical.reserved ++= List("a","b", "c") val a : PackratParser[Any] = numericLit^^{x => primeFactors(x.toInt)} val b : PackratParser[Any] = memo("b") val c : PackratParser[Any] = memo("c") - val AnBnCn : PackratParser[Any] = + val AnBnCn : PackratParser[Any] = parseButDontEat(repMany1(a,b))~not(b)~>rep1(a)~repMany1(b,c)// ^^{case x~y => x:::y} //val c : PackratParser[Any] = parseButDontEat(a)~a~a //println(c((new PackratReader(new lexical.Scanner("45 24"))))) val r = new PackratReader(new lexical.Scanner("45 b c")) println(AnBnCn(r)) println(r.getCache.size) -*/ +*/ } |