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package dotty.tools.dotc
package transform
import TreeTransforms._
import core.Denotations._
import core.SymDenotations._
import core.Contexts._
import core.Symbols._
import core.Types._
import core.Constants._
import core.StdNames._
import core.transform.Erasure.isUnboundedGeneric
import typer.ErrorReporting._
import ast.Trees._
/** This transform eliminates patterns. Right now it's a dummy.
* Awaiting the real pattern matcher.
*/
class PatternMatcher extends MiniPhaseTransform {
import ast.tpd._
override def phaseName: String = "patternMatcher"
override def transformCaseDef(tree: CaseDef)(implicit ctx: Context, info: TransformerInfo): Tree =
cpy.CaseDef(tree)(Literal(Constant("<eliminated pattern>")), tree.guard, tree.body)
}
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