diff options
| -rw-r--r-- | sources/scala/tools/scalac/transformer/matching/GrammarPrinter.scala | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sources/scala/tools/scalac/transformer/matching/GrammarPrinter.scala b/sources/scala/tools/scalac/transformer/matching/GrammarPrinter.scala new file mode 100644 index 0000000000..117f262590 --- /dev/null +++ b/sources/scala/tools/scalac/transformer/matching/GrammarPrinter.scala @@ -0,0 +1,17 @@ +package scala.tools.scalac.transformer.matching ; + +import scala.runtime.matching.Grammar ; + +object GrammarPrinter { + def toString( gram:Grammar ) = { + "Grammar("+gram.treeTransitions+",\n"+gram.hedgeTransitions+",\n"+{ + var k = 1; + val sb = new java.lang.StringBuffer(); + for( val y <- Iterator.fromArray( gram.vars ) ) { + sb.append("case "+k+": max var ="+y); + k = k + 1; + } + sb.toString() + }+")\n"; + } +} |