# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1392475648 -3600
# Node ID ca83b2adebb5f324f654836d31b9b016db8ae865
# Parent  e046cfcb8f0052ccdce27ecfa560c312a7ffe604
Enough to index by depth, no need to have separate counters for each type

diff -r e046cfcb8f00 -r ca83b2adebb5 rt/vm/src/main/java/org/apidesign/vm4brwsr/StackMapper.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/StackMapper.java	Sat Feb 15 14:36:43 2014 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/StackMapper.java	Sat Feb 15 15:47:28 2014 +0100
@@ -22,19 +22,12 @@
 
 final class StackMapper {
     private final TypeArray stackTypeIndexPairs;
-    private int[] typeCounters;
-    private int[] typeMaxCounters;
 
     public StackMapper() {
         stackTypeIndexPairs = new TypeArray();
-        typeCounters = new int[VarType.LAST + 1];
-        typeMaxCounters = new int[VarType.LAST + 1];
     }
 
     public void clear() {
-        for (int type = 0; type <= VarType.LAST; ++type) {
-            typeCounters[type] = 0;
-        }
         stackTypeIndexPairs.clear();
     }
 
@@ -161,9 +154,8 @@
     }
 
     private int pushTypeImpl(final int type) {
-        final int count = typeCounters[type];
+        final int count = stackTypeIndexPairs.getSize();
         final int value = (count << 8) | (type & 0xff);
-        incCounter(type);
         stackTypeIndexPairs.add(value);
 
         return value;
@@ -173,23 +165,11 @@
         final int stackSize = stackTypeIndexPairs.getSize();
         for (int i = stackSize - count; i < stackSize; ++i) {
             final int value = stackTypeIndexPairs.get(i);
-            decCounter(value & 0xff);
         }
 
         stackTypeIndexPairs.setSize(stackSize - count);
     }
 
-    private void incCounter(final int type) {
-        final int newValue = ++typeCounters[type];
-        if (typeMaxCounters[type] < newValue) {
-            typeMaxCounters[type] = newValue;
-        }
-    }
-
-    private void decCounter(final int type) {
-        --typeCounters[type];
-    }
-
     public Variable getVariable(final int typeAndIndex) {
         final int type = typeAndIndex & 0xff;
         final int index = typeAndIndex >> 8;