remove localBase, which is constantly 0.

interpreter.ts

@@ -1066,7 +1066,7 @@ module J2ME {
                 !calleeTargetMethodInfo.isSynchronized &&
                 !calleeTargetMethodInfo.isNative &&
                 calleeTargetMethodInfo.state !== MethodState.Compiled) {
-              var calleeFrame = Frame.create(calleeTargetMethodInfo, [], 0);
+              var calleeFrame = Frame.create(calleeTargetMethodInfo, []);
               ArrayUtilities.popManyInto(stack, calleeTargetMethodInfo.consumeArgumentSlots, calleeFrame.local);
               frames.push(calleeFrame);
               frame = calleeFrame;
@@ -1174,7 +1174,7 @@ module J2ME {
             }
             // Call method directly in the interpreter if we can.
             if (calleeTargetMethodInfo && !calleeTargetMethodInfo.isNative && calleeTargetMethodInfo.state !== MethodState.Compiled) {
-              var calleeFrame = Frame.create(calleeTargetMethodInfo, [], 0);
+              var calleeFrame = Frame.create(calleeTargetMethodInfo, []);
               ArrayUtilities.popManyInto(stack, calleeTargetMethodInfo.consumeArgumentSlots, calleeFrame.local);
               frames.push(calleeFrame);
               frame = calleeFrame;

native.js

@@ -18,7 +18,7 @@ function asyncImpl(returnKind, promise) {
   }, function(exception) {
     var classInfo = CLASSES.getClass("org/mozilla/internal/Sys");
     var methodInfo = classInfo.getMethodByNameString("throwException", "(Ljava/lang/Exception;)V", true);
-    ctx.frames.push(Frame.create(methodInfo, [exception], 0));
+    ctx.frames.push(Frame.create(methodInfo, [exception]));
     ctx.execute();
   });
   $.pause("Async");
@@ -309,7 +309,7 @@ Native["java/lang/Class.invoke_clinit.()V"] = function() {
     var className = classInfo.getClassNameSlow();
     var clinit = classInfo.staticInitializer;
     if (clinit && clinit.classInfo.getClassNameSlow() === className) {
-        $.ctx.executeFrame(Frame.create(clinit, [], 0));
+        $.ctx.executeFrame(Frame.create(clinit, []));
     }
 };
 
@@ -538,7 +538,7 @@ Native["java/lang/Thread.start0.()V"] = function() {
 
     var classInfo = CLASSES.getClass("org/mozilla/internal/Sys");
     var run = classInfo.getMethodByNameString("runThread", "(Ljava/lang/Thread;)V", true);
-    newCtx.start([new Frame(run, [ this ], 0)]);
+    newCtx.start([Frame.create(run, [ this ])]);
 }
 
 Native["java/lang/Thread.isAlive.()Z"] = function() {

vm/context.ts

@@ -79,7 +79,6 @@ module J2ME {
     pc: number;
     opPC: number;
     cp: any;
-    localBase: number;
     lockObject: java.lang.Object;
 
     static dirtyStack: Frame [] = [];
@@ -87,24 +86,24 @@ module J2ME {
     /**
      * Denotes the start of the context frame stack.
      */
-    static Start: Frame = Frame.create(null, null, 0);
+    static Start: Frame = Frame.create(null, null);
 
     /**
      * Marks a frame set.
      */
-    static Marker: Frame = Frame.create(null, null, 0);
+    static Marker: Frame = Frame.create(null, null);
 
     static isMarker(frame: Frame) {
       return frame.methodInfo === null;
     }
 
-    constructor(methodInfo: MethodInfo, local: any [], localBase: number) {
+    constructor(methodInfo: MethodInfo, local: any []) {
       frameCount ++;
       this.stack = [];
-      this.reset(methodInfo, local, localBase);
+      this.reset(methodInfo, local);
     }
 
-    reset(methodInfo: MethodInfo, local: any [], localBase: number) {
+    reset(methodInfo: MethodInfo, local: any []) {
       this.methodInfo = methodInfo;
       this.cp = methodInfo ? methodInfo.classInfo.constantPool : null;
       this.code = methodInfo ? methodInfo.codeAttribute.code : null;
@@ -112,18 +111,17 @@ module J2ME {
       this.opPC = 0;
       this.stack.length = 0;
       this.local = local;
-      this.localBase = localBase;
       this.lockObject = null;
     }
 
-    static create(methodInfo: MethodInfo, local: any [], localBase: number): Frame {
+    static create(methodInfo: MethodInfo, local: any []): Frame {
       var dirtyStack = Frame.dirtyStack;
       if (dirtyStack.length) {
         var frame = dirtyStack.pop();
-        frame.reset(methodInfo, local, localBase);
+        frame.reset(methodInfo, local);
         return frame;
       } else {
-        return new Frame(methodInfo, local, localBase);
+        return new Frame(methodInfo, local);
       }
     }
 
@@ -133,16 +131,15 @@ module J2ME {
     }
 
     getLocal(i: number): any {
-      return this.local[this.localBase + i];
+      return this.local[i];
     }
 
     setLocal(i: number, value: any) {
-      this.local[this.localBase + i] = value;
+      this.local[i] = value;
     }
 
     incLocal(i: number, value: any) {
-      var j = this.localBase + i;
-      this.local[j] = this.local[j] + value | 0;
+      this.local[i] += value | 0;
     }
 
     read8(): number {
@@ -618,7 +615,7 @@ module J2ME {
 
     bailout(methodInfo: MethodInfo, pc: number, nextPC: number, local: any [], stack: any [], lockObject: java.lang.Object) {
       // perfWriter && perfWriter.writeLn("C Unwind: " + methodInfo.implKey);
-      var frame = Frame.create(methodInfo, local, 0);
+      var frame = Frame.create(methodInfo, local);
       frame.stack = stack;
       frame.pc = nextPC;
       frame.opPC = pc;

vm/jvm.ts

@@ -38,9 +38,9 @@ module J2ME {
 
       // The <init> frames go at the end of the array so they are executed first to initialize the thread and isolate.
       ctx.start([
-        Frame.create(isolateClassInfo.getMethodByNameString("start", "()V"), [ isolate ], 0),
+        Frame.create(isolateClassInfo.getMethodByNameString("start", "()V"), [ isolate ]),
         Frame.create(isolateClassInfo.getMethodByNameString("<init>", "(Ljava/lang/String;[Ljava/lang/String;)V"),
-                                       [ isolate, J2ME.newString(className.replace(/\./g, "/")), array ], 0)
+                                       [ isolate, J2ME.newString(className.replace(/\./g, "/")), array ])
       ]);
       release || Debug.assert(!U, "Unexpected unwind during isolate initialization.");
     }
@@ -70,9 +70,9 @@ module J2ME {
       }
 
       ctx.start([
-        Frame.create(entryPoint, [ args ], 0),
+        Frame.create(entryPoint, [ args ]),
         Frame.create(CLASSES.java_lang_Thread.getMethodByNameString("<init>", "(Ljava/lang/String;)V"),
-                     [ runtime.mainThread, J2ME.newString("main") ], 0)
+                     [ runtime.mainThread, J2ME.newString("main") ])
       ]);
       release || Debug.assert(!U, "Unexpected unwind during isolate initialization.");
     }

vm/runtime.ts

@@ -1273,7 +1273,7 @@ module J2ME {
     // Adapter for the most common case.
     if (!methodInfo.isSynchronized && !methodInfo.hasTwoSlotArguments) {
       var method = function fastInterpreterFrameAdapter() {
-        var frame = Frame.create(methodInfo, [], 0);
+        var frame = Frame.create(methodInfo, []);
         var j = 0;
         if (!methodInfo.isStatic) {
           frame.setLocal(j++, this);
@@ -1289,7 +1289,7 @@ module J2ME {
     }
 
     var method = function interpreterFrameAdapter() {
-      var frame = Frame.create(methodInfo, [], 0);
+      var frame = Frame.create(methodInfo, []);
       var j = 0;
       if (!methodInfo.isStatic) {
         frame.setLocal(j++, this);