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author | Hubert Plociniczak <hubert.plociniczak@epfl.ch> | 2011-11-02 14:34:35 +0000 |
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committer | Hubert Plociniczak <hubert.plociniczak@epfl.ch> | 2011-11-02 14:34:35 +0000 |
commit | b6778be91900b8161e705dc2598ef7af86842b0b (patch) | |
tree | d15e8ec18a37eec212f50f1ace27714d7e7d4d34 /test/files/run/packrat1.scala | |
parent | ac6c76f26d884a94d0c9ff54f055d3f9ab750bac (diff) | |
download | scala-b6778be91900b8161e705dc2598ef7af86842b0b.tar.gz scala-b6778be91900b8161e705dc2598ef7af86842b0b.tar.bz2 scala-b6778be91900b8161e705dc2598ef7af86842b0b.zip |
Begone t1737...
Diffstat (limited to 'test/files/run/packrat1.scala')
-rw-r--r-- | test/files/run/packrat1.scala | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/test/files/run/packrat1.scala b/test/files/run/packrat1.scala index 31a1ea55e5..b5a4687378 100644 --- a/test/files/run/packrat1.scala +++ b/test/files/run/packrat1.scala @@ -21,15 +21,15 @@ object Test extends App{ } object grammars 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") - + /**** * term = term + fact | term - fact | fact * fact = fact * num | fact / num | num @@ -39,7 +39,7 @@ object grammars extends StandardTokenParsers with PackratParsers{ val term: PackratParser[Int] = (term~("+"~>fact) ^^ {case x~y => x+y} |term~("-"~>fact) ^^ {case x~y => x-y} |fact) - + val fact: PackratParser[Int] = (fact~("*"~>numericLit) ^^ {case x~y => x*y.toInt} |fact~("/"~>numericLit) ^^ {case x~y => x/y.toInt} |"("~>term<~")" |