add config option to ignore initialisers

compiler-jx/src/main/java/org/apache/flex/compiler/internal/codegen/js/jx/VarDeclarationEmitter.java

diff --git a/compiler-jx/src/main/java/org/apache/flex/compiler/internal/codegen/js/jx/VarDeclarationEmitter.java b/compiler-jx/src/main/java/org/apache/flex/compiler/internal/codegen/js/jx/VarDeclarationEmitter.java
index a4c8e22..3b883c8 100644
--- a/compiler-jx/src/main/java/org/apache/flex/compiler/internal/codegen/js/jx/VarDeclarationEmitter.java
+++ b/compiler-jx/src/main/java/org/apache/flex/compiler/internal/codegen/js/jx/VarDeclarationEmitter.java
@@ -42,16 +42,15 @@
 import org.apache.flex.compiler.tree.as.IVariableNode;
 
 public class VarDeclarationEmitter extends JSSubEmitter implements
-        ISubEmitter<IVariableNode>
-{
-    boolean ignoreInitilization;
+        ISubEmitter<IVariableNode> {
 
-    public VarDeclarationEmitter(IJSEmitter emitter)
-    {
+    public VarDeclarationEmitter(IJSEmitter emitter) {
         super(emitter);
+    }
 
+    protected boolean defaultInitialisation() {
         JSConfiguration configuration = ((FlexJSProject) getProject()).config;
-        ignoreInitilization = configuration.getIgnoreDefaultInitilization();
+        return configuration == null || !configuration.getIgnoreDefaultInitilization();
     }
 
     @Override
@@ -196,8 +195,8 @@
                         writeToken(ASEmitterTokens.EQUAL);
                         write("0");
                     }
-                } else if (!ignoreInitilization) {
-                    if (ignoreInitilization && defName.equals("Boolean")) {
+                } else if (defaultInitialisation()) {
+                    if (defName.equals("Boolean")) {
                         if (node.getParent() != null &&
                                 node.getParent().getParent() != null &&
                                 node.getParent().getParent().getNodeID() != ASTNodeID.Op_InID) {
@@ -205,7 +204,7 @@
                             writeToken(ASEmitterTokens.EQUAL);
                             write(ASEmitterTokens.FALSE);
                         }
-                    } else if (ignoreInitilization && defName.equals("Number")) {
+                    } else if (defName.equals("Number")) {
                         if (node.getParent() != null &&
                                 node.getParent().getParent() != null &&
                                 node.getParent().getParent().getNodeID() != ASTNodeID.Op_InID) {

compiler/src/main/java/org/apache/flex/compiler/config/Configuration.java

diff --git a/compiler/src/main/java/org/apache/flex/compiler/config/Configuration.java b/compiler/src/main/java/org/apache/flex/compiler/config/Configuration.java
index e21ef65..64ff7c9 100644
--- a/compiler/src/main/java/org/apache/flex/compiler/config/Configuration.java
+++ b/compiler/src/main/java/org/apache/flex/compiler/config/Configuration.java
@@ -3966,9 +3966,9 @@
 
     /**
      * Allow the user to set Boolean and Number type to be undefined and ignore them being initialised
-     * to false and NaN respectively. Note that use this option breaks compatability with ActionScript.
+     * to false and NaN respectively. Note that using this option breaks compatability with ActionScript.
      */
-    private boolean ignoreDefaultInitilization = true;
+    private boolean ignoreDefaultInitilization = false;
 
     public boolean getIgnoreDefaultInitilization()
     {
@@ -3977,7 +3977,6 @@
 
     @Config(advanced = true)
     @Mapping({ "compiler", "ignore-default-initilization" })
-    @FlexOnly
     public void setIgnoreDefaultInitilization(ConfigurationValue cv, boolean ignoreDefaultInitilization)
     {
         this.ignoreDefaultInitilization = ignoreDefaultInitilization;