X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/MethodDeclaration.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/MethodDeclaration.java
index 1a8c534..b61470f 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/MethodDeclaration.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/MethodDeclaration.java
@@ -155,11 +155,24 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
     return children;
   }
 
+  /** no outside variables. */
+  public List getOutsideVariable() {
+    return new ArrayList(1);
+  }
+
+  public List getModifiedVariable() {
+    return new ArrayList(1);
+  }
+
+  public List getUsedVariable() {
+    return new ArrayList(1);
+  }
+
   /**
-   * Get global variables (not parameters)
+   * Get global variables (not parameters).
    * @return the variables from outside
    */
-  public List getOutsideVariable() {
+  public List getGlobalVariable() {
     final ArrayList list = new ArrayList();
 
     if (statements != null) {
@@ -172,9 +185,10 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
 
   private List getParameters(final List list) {
     if (arguments != null) {
-      final Enumeration vars = arguments.keys();
+      final Enumeration vars = arguments.elements();
       while (vars.hasMoreElements()) {
-        list.add(new VariableUsage((String) vars.nextElement(), sourceStart));
+        final VariableDeclaration variable = (VariableDeclaration) vars.nextElement();
+        list.add(new VariableUsage(variable.name(), variable.sourceStart));
       }
     }
     return list;
@@ -184,7 +198,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
    * get the modified variables.
    * @return the variables from we change value
    */
-  public List getModifiedVariable() {
+  private List getAssignedVariableInCode() {
     final ArrayList list = new ArrayList();
     if (statements != null) {
       for (int i = 0; i < statements.length; i++) {
@@ -198,7 +212,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
    * Get the variables used.
    * @return the variables used
    */
-  public List getUsedVariable() {
+  private List getUsedVariableInCode() {
     final ArrayList list = new ArrayList();
     if (statements != null) {
       for (int i = 0; i < statements.length; i++) {
@@ -208,11 +222,11 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
     return list;
   }
 
-  private boolean isVariableDeclaredBefore(List list, VariableUsage var) {
+  private boolean isVariableDeclaredBefore(final List list, final VariableUsage var) {
     final String name = var.getName();
     final int pos = var.getStartOffset();
     for (int i = 0; i < list.size(); i++) {
-      VariableUsage variableUsage = (VariableUsage) list.get(i);
+      final VariableUsage variableUsage = (VariableUsage) list.get(i);
       if (variableUsage.getName().equals(name) && variableUsage.getStartOffset() < pos) {
         return true;
       }
@@ -220,9 +234,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
     return false;
   }
 
-  /**
-   * This method will analyze the code.
-   */
+  /** This method will analyze the code. */
   public void analyzeCode() {
     if (statements != null) {
       for (int i = 0; i < statements.length; i++) {
@@ -231,8 +243,8 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
       }
     }
 
-    final List globalsVars = getOutsideVariable();
-    final List modifiedVars = getModifiedVariable();
+    final List globalsVars = getGlobalVariable();
+    final List modifiedVars = getAssignedVariableInCode();
     final List parameters = getParameters(new ArrayList());
 
     final List declaredVars = new ArrayList(globalsVars.size() + modifiedVars.size());
@@ -240,7 +252,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
     declaredVars.addAll(modifiedVars);
     declaredVars.addAll(parameters);
 
-    final List usedVars = getUsedVariable();
+    final List usedVars = getUsedVariableInCode();
     final List readOrWriteVars = new ArrayList(modifiedVars.size()+usedVars.size());
     readOrWriteVars.addAll(modifiedVars);
     readOrWriteVars.addAll(usedVars);
@@ -257,7 +269,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
    */
   private void findUnusedParameters(final List vars, final List parameters) {
     for (int i = 0; i < parameters.size(); i++) {
-      VariableUsage param = ((VariableUsage)parameters.get(i));
+      final VariableUsage param = ((VariableUsage)parameters.get(i));
       if (!isVariableInList(param.getName(),vars)) {
         try {
           PHPParserSuperclass.setMarker("warning, the parameter "+param.getName() +" seems to be never used in your method",
@@ -288,7 +300,7 @@ public class MethodDeclaration extends Statement implements OutlineableWithChild
    */
   private void findUnknownUsedVars(final List usedVars, final List declaredVars) {
     for (int i = 0; i < usedVars.size(); i++) {
-      VariableUsage variableUsage = (VariableUsage) usedVars.get(i);
+      final VariableUsage variableUsage = (VariableUsage) usedVars.get(i);
       if (variableUsage.getName().equals("this")) continue; // this is a special variable
       if (!isVariableDeclaredBefore(declaredVars, variableUsage)) {
         try {