/*
* SideKick parser for Isabelle proof documents
*
* @author Fabian Immler, TU Munich
* @author Makarius
*/
package isabelle.jedit
import scala.collection.Set
import scala.collection.immutable.TreeSet
import javax.swing.tree.DefaultMutableTreeNode
import org.gjt.sp.jedit.{Buffer, EditPane, TextUtilities, View}
import errorlist.DefaultErrorSource
import sidekick.{SideKickParser, SideKickParsedData, SideKickCompletion}
class IsabelleSideKickParser extends SideKickParser("isabelle") {
/* parsing */
private var stopped = false
override def stop() = { stopped = true }
def parse(buffer : Buffer, error_source : DefaultErrorSource): SideKickParsedData = {
stopped = false
val data = new SideKickParsedData(buffer.getName)
val prover_setup = Isabelle.plugin.prover_setup(buffer)
if (prover_setup.isDefined) {
val document = prover_setup.get.prover.document
for (command <- document.commands)
data.root.add(command.markup_root.swing_node(document))
if (stopped) data.root.add(new DefaultMutableTreeNode("<parser stopped>"))
} else {
data.root.add(new DefaultMutableTreeNode("<buffer inactive>"))
}
data
}
/* completion */
override def supportsCompletion = true
override def canCompleteAnywhere = true
override def complete(pane: EditPane, caret: Int): SideKickCompletion =
{
val buffer = pane.getBuffer
Isabelle.prover_setup(buffer) match {
case None => return null
case Some(setup) =>
val line = buffer.getLineOfOffset(caret)
val start = buffer.getLineStartOffset(line)
if (caret == start) return null
val text = buffer.getSegment(start, caret - start)
setup.prover.complete(text) match {
case None => null
case Some((word, cs)) =>
new SideKickCompletion(pane.getView, word,
cs.map(Isabelle.system.symbols.decode(_)).toArray.asInstanceOf[Array[Object]]) { }
}
}
}
}