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import scala.tools.nsc.interactive.tests.InteractiveTest
import scala.tools.nsc.util.Position
/** Example interactive test that does everything by hand. It would be much simpler
* to just add the markers in the test file. This test shows how to drive
* the presentation compiler manually.
*/
object Test extends InteractiveTest {
def askForPos(pos: Position) {
import compiler._
val response = new Response[Tree]
println("asking position at %d:%d".format(pos.line, pos.column))
compiler.askTypeAt(pos, response)
response.get match {
case Left(EmptyTree) =>
println("error retrieving tree at %d:%d".format(pos.line, pos.column))
case Left(t) =>
println("retrieved tree: " + t)
}
}
// You can enable settings for the presentation compiler here
// but don't leave them in the nightly build since the log will most likely
// contain absolute paths
// settings.YpresentationDebug.value = true
// settings.YpresentationVerbose.value = true
override def runTest {
import compiler._
val src = sourceFiles(0) // only one under src/
val pos = rangePos(src, 426, 426, 433)
val pos1 = src.position(19, 15) // this is an offset position
// reload is issued already by the framework, so we don't need to do it, but it doesn't hurt
val reload = new Response[Unit]
compiler.askReload(List(src), reload)
reload.get // it's important to let reload finish before asking other things.
// re-enable when positions in the primary constructor are handled reliably
askForPos(pos)
println("=" * 20)
askForPos(pos1)
compiler.askShutdown()
}
}
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