Initial version.

1 files changed, 45 insertions, 0 deletions

diff --git a/sources/scalac/Phase.java b/sources/scalac/Phase.java
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+++ b/sources/scalac/Phase.java
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+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+**                                                                      **
+** $Id$
+\*                                                                      */
+
+package scalac;
+
+/** Representation of a compiler phase. PhaseDescriptors create
+ *  phase. Phases operate subsequently on all compilation units.
+ *
+ *  @author  Matthias Zenger
+ *  @version 1.0
+ */
+public abstract class Phase {
+
+    /** the global environment
+     */
+    public final Global global;
+
+    /** the descriptor for this phase
+     */
+    public final PhaseDescriptor descr;
+
+    /** constructor
+     */
+    public Phase(Global global, PhaseDescriptor descr) {
+        this.global = global;
+        this.descr = descr;
+    }
+
+    /** apply this phase to all compilation units
+     */
+    public void apply() {
+        for (int i = 0; i < global.units.length; i++) {
+            apply(global.units[i]);
+        }
+    }
+
+    /** apply this phase to the given compilation unit
+     */
+    public abstract void apply(Unit unit);
+}