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-rw-r--r--test/files/macros/Printf.scala39
1 files changed, 0 insertions, 39 deletions
diff --git a/test/files/macros/Printf.scala b/test/files/macros/Printf.scala
deleted file mode 100644
index 4a88e5b069..0000000000
--- a/test/files/macros/Printf.scala
+++ /dev/null
@@ -1,39 +0,0 @@
-// macros should be built separately from their clients, so simple "scalac Printf.scala Test.scala" won't work
-// 1) first build this file with "scalac -Xmacros Printf.scala"
-// 2) the build the test with "scalac -cp <output directory of compiling Printf.scala> Test.scala"
-
-object Printf extends App {
- def macro printf(format: String, params: Any*) : String = {
- var i = 0
- def gensym(name: String) = { i += 1; newTermName(name + i) }
-
- def createTempValDef(value: Tree, clazz: Class[_]): (Option[Tree], Tree) = {
- val local = gensym("temp")
- val tpe = if (clazz == classOf[Int]) Ident(newTypeName("Int"))
- else if (clazz == classOf[String]) Select(Select(Ident(newTermName("java")), newTermName("lang")), newTypeName("String"))
- else throw new Exception("unknown class " + clazz.toString)
- (Some(ValDef(Modifiers(), local, tpe, value)), Ident(local))
- }
-
- def tree_printf(format: Tree, params: Tree*) = {
- val Literal(Constant(s_format: String)) = format
- val paramsStack = scala.collection.mutable.Stack(params: _*)
- val parsed = s_format.split("(?<=%[\\w%])|(?=%[\\w%])") map {
- case "%d" => createTempValDef(paramsStack.pop, classOf[Int])
- case "%s" => createTempValDef(paramsStack.pop, classOf[String])
- case "%%" => (None, Literal(Constant("%")))
- case part => (None, Literal(Constant(part)))
- }
-
- val evals = for ((Some(eval), _) <- parsed if eval != None) yield eval
- val prints = for ((_, ref) <- parsed) yield {
- val print = Select(Select(Ident(newTermName("scala")), newTermName("Predef")), newTermName("print"))
- Apply(print, List(ref))
- }
-
- Block((evals ++ prints).toList, Literal(Constant(())))
- }
-
- tree_printf(format, params: _*)
- }
-}