- Added method cloneArray

3 files changed, 21 insertions, 0 deletions

diff --git a/sources/scalac/ast/Tree.java.tmpl b/sources/scalac/ast/Tree.java.tmpl
index 69f5976626..30f6a4108c 100644
--- a/sources/scalac/ast/Tree.java.tmpl
+++ b/sources/scalac/ast/Tree.java.tmpl
@@ -131,6 +131,13 @@ public class Tree {
 	    Global.instance, Global.instance.make,
 	    new StrictTreeCopier(Global.instance.make));
 
+    /** Returns a shallow copy of the given array. */
+    public static Tree[] cloneArray(Tree[] array) {
+        Tree[] clone = new Tree[array.length];
+        for (int i = 0; i < clone.length; i++) clone[i] = array[i];
+        return clone;
+    }
+
     public Tree duplicate() {
 	return duplicator.transform(this);
     }
diff --git a/sources/scalac/symtab/Symbol.java b/sources/scalac/symtab/Symbol.java
index 6867bfb576..024b5241fd 100644
--- a/sources/scalac/symtab/Symbol.java
+++ b/sources/scalac/symtab/Symbol.java
@@ -82,6 +82,13 @@ public abstract class Symbol implements Modifiers, Kinds {
      */
     public abstract Symbol cloneSymbol(Symbol owner);
 
+    /** Returns a shallow copy of the given array. */
+    public static Symbol[] cloneArray(Symbol[] array) {
+        Symbol[] clone = new Symbol[array.length];
+        for (int i = 0; i < clone.length; i++) clone[i] = array[i];
+        return clone;
+    }
+
     /** copy all fields to `sym'
      */
     public void copyTo(Symbol sym) {
diff --git a/sources/scalac/symtab/Type.java b/sources/scalac/symtab/Type.java
index 8d0d83c500..7dcf109456 100644
--- a/sources/scalac/symtab/Type.java
+++ b/sources/scalac/symtab/Type.java
@@ -1280,6 +1280,13 @@ public class Type implements Modifiers, Kinds, TypeTags, EntryTags {
 
 // Cloning ---------------------------------------------------------------
 
+    /** Returns a shallow copy of the given array. */
+    public static Type[] cloneArray(Type[] array) {
+        Type[] clone = new Type[array.length];
+        for (int i = 0; i < clone.length; i++) clone[i] = array[i];
+        return clone;
+    }
+
     /**
      * Clones a type i.e. returns a new type where all symbols in
      * MethodTypes and PolyTypes have been cloned.