Scala example source code file (Codegen.scala)

This example Scala source code file (Codegen.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

anyvals, anyvals, array, codegen, codegen, codegenspec, codegenspec, console, generating, generating, instance, list, string, unit

The Scala Codegen.scala source code

/* NEST (New Scala Test)
 * Copyright 2007-2011 LAMP/EPFL
 * @author  Paul Phillips
 */

package scala.tools.cmd
package gen

class Codegen(args: List[String]) extends {
  val parsed = CodegenSpec(args: _*)
} with CodegenSpec with Instance { }

object Codegen {
  def echo(msg: String) = Console println msg

  def main(args0: Array[String]): Unit = {    
    val runner = new Codegen(args0.toList)
    import runner._
    
    if (args0.isEmpty)
      return println (CodegenSpec.helpMsg)

    val out = outDir getOrElse { return println("--out is required.") }
    val all = genall || (!anyvals && !products)
    
    echo("Generating sources into " + out)
    
    if (anyvals || all) {
      val av = new AnyVals { }

      av.make() foreach { case (name, code ) =>
        val file = out / (name + ".scala") toFile;
        echo("Writing: " + file)
        file writeAll code
      }
    }
  }
}