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package custom
import scala.tools.nsc._, reporters._, typechecker._
/** Demonstration of a custom Global with a custom Typer,
* decoupled from trunk. Demonstration:
*
{{{
scalac -d . CustomGlobal.scala && scala -nc -Yglobal-class custom.CustomGlobal \
-e 'class Bippy(x: Int) ; def f = new Bippy(5)'
I'm typing a Bippy! It's a ClassDef.
I'm typing a Bippy! It's a Ident.
I'm typing a Bippy! It's a DefDef.
}}}
*
*/
class CustomGlobal(currentSettings: Settings, reporter: Reporter) extends Global(currentSettings, reporter) {
override lazy val analyzer = new {
val global: CustomGlobal.this.type = CustomGlobal.this
} with Analyzer {
override def newTyper(context: Context): Typer = new CustomTyper(context)
class CustomTyper(context : Context) extends Typer(context) {
override def typed(tree: Tree, mode: Mode, pt: Type): Tree = {
if (tree.summaryString contains "Bippy")
println("I'm typing a Bippy! It's a " + tree.shortClass + ".")
super.typed(tree, mode, pt)
}
}
}
}
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