From ba2bb4c1a126305e6d1b0e34a341fa16e9abd4e0 Mon Sep 17 00:00:00 2001
From: Lukas Rytz <lukas.rytz@epfl.ch>
Date: Tue, 24 Mar 2009 16:33:32 +0000
Subject: scalac ant task now supports @argfile (needed t...

scalac ant task now supports @argfile (needed to build .net on windows)
---
 src/compiler/scala/tools/ant/Scalac.scala | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'src/compiler')

diff --git a/src/compiler/scala/tools/ant/Scalac.scala b/src/compiler/scala/tools/ant/Scalac.scala
index f4cbcf1bf8..a7ff39ec0e 100644
--- a/src/compiler/scala/tools/ant/Scalac.scala
+++ b/src/compiler/scala/tools/ant/Scalac.scala
@@ -18,7 +18,7 @@ import org.apache.tools.ant.types.{Path, Reference}
 import org.apache.tools.ant.util.{FileUtils, GlobPatternMapper,
                                   SourceFileScanner}
 
-import scala.tools.nsc.{Global, Settings}
+import scala.tools.nsc.{Global, Settings, CompilerCommand}
 import scala.tools.nsc.reporters.{Reporter, ConsoleReporter}
 
 /** <p>
@@ -157,6 +157,9 @@ class Scalac extends MatchingTask {
    *  (not only the number of files). */
   protected var scalacDebugging: Boolean = false
 
+  /** An optional file containing compiler arguments */
+  protected var argfile: Option[File] = None
+
 /*============================================================================*\
 **                             Properties setters                             **
 \*============================================================================*/
@@ -349,6 +352,10 @@ class Scalac extends MatchingTask {
 
   def setAssemrefs(input: String) { assemrefs = Some(input) }
 
+
+  /** Sets the <code>argfile</code> attribute. */
+  def setArgfile(input: File) { argfile = Some(input) }
+
 /*============================================================================*\
 **                             Properties getters                             **
 \*============================================================================*/
@@ -457,6 +464,7 @@ class Scalac extends MatchingTask {
 
   protected def newSettings(error: String=>Unit): Settings =
     new Settings(error)
+
   protected def newGlobal(settings: Settings, reporter: Reporter) =
     new Global(settings, reporter)
 
@@ -466,7 +474,7 @@ class Scalac extends MatchingTask {
 \*============================================================================*/
 
   /** Initializes settings and source files */
-  protected def initialize: (Settings, List[File], Boolean) = {
+  protected def initialize: (Settings, List[String], Boolean) = {
     // Tests if all mandatory attributes are set and valid.
     if (origin.isEmpty) error("Attribute 'srcdir' is not set.")
     if (getOrigin.isEmpty) error("Attribute 'srcdir' is not set.")
@@ -483,7 +491,7 @@ class Scalac extends MatchingTask {
     // Scans source directories to build up a compile lists.
     // If force is false, only files were the .class file in destination is
     // older than the .scala file will be used.
-    val sourceFiles: List[File] =
+    var sourceFiles: List[String] =
       for {
         val originDir <- getOrigin
         val originFiles <- {
@@ -521,12 +529,18 @@ class Scalac extends MatchingTask {
       }
       yield {
         log(originFiles, Project.MSG_DEBUG)
-        nameToFile(originDir)(originFiles)
+        nameToFile(originDir)(originFiles).toString
       }
 
     // Builds-up the compilation settings for Scalac with the existing Ant
     // parameters.
     val settings = newSettings(error)
+    if (!argfile.isEmpty) {
+      log("Using argument file: @" +argfile.get)
+      javaOnly = false // not quite correct, depends on content of argfile
+      val command = new CompilerCommand(List("@"+ argfile.get), settings, error, true)
+      sourceFiles = sourceFiles ::: command.files
+    }
     settings.outdir.value = asString(destination.get)
     if (!classpath.isEmpty)
       settings.classpath.value = asString(getClasspath)
@@ -572,7 +586,7 @@ class Scalac extends MatchingTask {
     // Compiles the actual code
     val compiler = newGlobal(settings, reporter)
     try {
-      (new compiler.Run).compile(sourceFiles.map (_.toString))
+      (new compiler.Run).compile(sourceFiles)
      }
      catch {
       case exception: Throwable if (exception.getMessage ne null) =>
-- 
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