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/* NSC -- new Scala compiler
* Copyright 2005-2011 LAMP/EPFL
* @author Martin Odersky
*/
package scala.tools.nsc
package ast
import compat.Platform.EOL
import symtab._
import Flags._
trait ReifyPrinters { self: NodePrinters =>
val global: Global
import global._
object reifiedNodeToString extends Function1[Tree, String] {
def apply(tree: Tree): String = {
import scala.reflect.api.Modifier
// @PP: I fervently hope this is a test case or something, not anything being
// depended upon. Of more fragile code I cannot conceive.
// @eb: This stuff is only needed to debug-print out reifications in human-readable format
// Rolling a full-fledged, robust TreePrinter would be several times more code.
(for (line <- (tree.toString.split(EOL) drop 2 dropRight 1)) yield {
var s = line.trim
s = s.replace("$mr.", "")
s = s.replace(".apply", "")
s = s.replace("scala.collection.immutable.", "")
s = "List\\[List\\[.*?\\].*?\\]".r.replaceAllIn(s, "List")
s = "List\\[.*?\\]".r.replaceAllIn(s, "List")
s = s.replace("immutable.this.Nil", "List()")
s = s.replace("modifiersFromInternalFlags", "Modifiers")
s = s.replace("Modifiers(0L, newTypeName(\"\"), List())", "Modifiers()")
s = """Modifiers\((\d+)[lL], newTypeName\("(.*?)"\), List\((.*?)\)\)""".r.replaceAllIn(s, m => {
val buf = new collection.mutable.ListBuffer[String]
val annotations = m.group(3)
if (buf.nonEmpty || annotations.nonEmpty)
buf.append("List(" + annotations + ")")
val privateWithin = "" + m.group(2)
if (buf.nonEmpty || privateWithin != "")
buf.append("newTypeName(\"" + privateWithin + "\")")
val flags = m.group(1).toLong
val s_flags = Flags.modifiersOfFlags(flags) map (_.sourceString) mkString ", "
if (buf.nonEmpty || s_flags != "")
buf.append("Set(" + s_flags + ")")
"Modifiers(" + buf.reverse.mkString(", ") + ")"
})
s = """setInternalFlags\((\d+)L\)""".r.replaceAllIn(s, m => {
val flags = m.group(1).toLong
val mods = Flags.modifiersOfFlags(flags) map (_.sourceString)
"setInternalFlags(flagsOfModifiers(List(" + mods.mkString(", ") + ")))"
})
s
}) mkString EOL
}
}
def printReifyCopypaste(tree: Tree) {
val reifyDebug = settings.Yreifydebug.value
if (reifyDebug) println("=======================")
printReifyCopypaste1(tree)
if (reifyDebug) println("=======================")
}
def printReifyCopypaste1(tree: Tree) {
}
}
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