diff -r d8807b6a636a -r b9318fe303cd vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Mon Sep 24 11:07:38 2012 +0200
@@ -0,0 +1,793 @@
+/*
+Java 4 Browser Bytecode Translator
+Copyright (C) 2012-2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 2 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. Look for COPYING file in the top folder.
+If not, see http://opensource.org/licenses/GPL-2.0.
+*/
+package org.apidesign.vm4brwsr;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import static org.netbeans.modules.classfile.ByteCodes.*;
+import org.netbeans.modules.classfile.CPClassInfo;
+import org.netbeans.modules.classfile.CPEntry;
+import org.netbeans.modules.classfile.CPFieldInfo;
+import org.netbeans.modules.classfile.CPMethodInfo;
+import org.netbeans.modules.classfile.CPStringInfo;
+import org.netbeans.modules.classfile.ClassFile;
+import org.netbeans.modules.classfile.ClassName;
+import org.netbeans.modules.classfile.Code;
+import org.netbeans.modules.classfile.Method;
+import org.netbeans.modules.classfile.Parameter;
+import org.netbeans.modules.classfile.Variable;
+
+/** Translator of the code inside class files to JavaScript.
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class ByteCodeToJavaScript {
+    private final ClassFile jc;
+    private final Appendable out;
+    private final Collection<? super String> references;
+
+    private ByteCodeToJavaScript(
+        ClassFile jc, Appendable out, Collection<? super String> references
+    ) {
+        this.jc = jc;
+        this.out = out;
+        this.references = references;
+    }
+
+    /**
+     * Converts a given class file to a JavaScript version.
+     *
+     * @param classFile input stream with code of the .class file
+     * @param out a {@link StringBuilder} or similar to generate the output to
+     * @param references a write only collection where the system adds list of
+     *   other classes that were referenced and should be loaded in order the
+     *   generated JavaScript code works properly. The names are in internal 
+     *   JVM form so String is <code>java/lang/String</code>. Can be <code>null</code>
+     *   if one is not interested in knowing references
+     * @throws IOException if something goes wrong during read or write or translating
+     */
+    
+    public static void compile(
+        InputStream classFile, Appendable out,
+        Collection<? super String> references
+    ) throws IOException {
+        ClassFile jc = new ClassFile(classFile, true);
+        ByteCodeToJavaScript compiler = new ByteCodeToJavaScript(
+            jc, out, references
+        );
+        List<String> toInitilize = new ArrayList<String>();
+        for (Method m : jc.getMethods()) {
+            if (m.isStatic()) {
+                compiler.generateStaticMethod(m, toInitilize);
+            } else {
+                compiler.generateInstanceMethod(m);
+            }
+        }
+        for (Variable v : jc.getVariables()) {
+            if (v.isStatic()) {
+                compiler.generateStaticField(v);
+            }
+        }
+        
+        final String className = jc.getName().getInternalName().replace('/', '_');
+        out.append("\nfunction ").append(className);
+        out.append("() {");
+        for (Method m : jc.getMethods()) {
+            if (!m.isStatic()) {
+                compiler.generateMethodReference(m);
+            }
+        }
+        for (Variable v : jc.getVariables()) {
+            if (!v.isStatic()) {
+                out.append("\n  this." + v.getName() + " = 0;");
+            }
+        }
+        out.append("\n  this.$instOf_").append(className).append(" = true;");
+        out.append("\n}");
+        ClassName sc = jc.getSuperClass();
+        if (sc != null) {
+            out.append("\n").append(className)
+               .append(".prototype = new ").append(sc.getInternalName().replace('/', '_'));
+        }
+        for (String init : toInitilize) {
+            out.append("\n").append(init).append("();");
+        }
+    }
+    private void generateStaticMethod(Method m, List<String> toInitilize) throws IOException {
+        final String mn = findMethodName(m);
+        out.append("\nfunction ").append(
+            jc.getName().getInternalName().replace('/', '_')
+        ).append('_').append(mn);
+        if (mn.equals("classV")) {
+            toInitilize.add(jc.getName().getInternalName().replace('/', '_') + '_' + mn);
+        }
+        out.append('(');
+        String space = "";
+        List<Parameter> args = m.getParameters();
+        for (int index = 0, i = 0; i < args.size(); i++) {
+            out.append(space);
+            out.append("arg").append(String.valueOf(index));
+            space = ",";
+            final String desc = args.get(i).getDescriptor();
+            if ("D".equals(desc) || "J".equals(desc)) {
+                index += 2;
+            } else {
+                index++;
+            }
+        }
+        out.append(") {").append("\n");
+        final Code code = m.getCode();
+        if (code != null) {
+            int len = code.getMaxLocals();
+            for (int index = args.size(), i = args.size(); i < len; i++) {
+                out.append("  var ");
+                out.append("arg").append(String.valueOf(i)).append(";\n");
+            }
+            out.append("  var stack = new Array();\n");
+            produceCode(code.getByteCodes());
+        } else {
+            out.append("  /* no code found for ").append(m.getTypeSignature()).append(" */\n");
+        }
+        out.append("}");
+    }
+    
+    private void generateMethodReference(Method m) throws IOException {
+        final String name = findMethodName(m);
+        out.append("\n  this.").append(name).append(" = ")
+           .append(jc.getName().getInternalName().replace('/', '_'))
+           .append('_').append(name).append(";");
+    }
+    
+    private void generateInstanceMethod(Method m) throws IOException {
+        out.append("\nfunction ").append(
+            jc.getName().getInternalName().replace('/', '_')
+        ).append('_').append(findMethodName(m));
+        out.append("(arg0");
+        String space = ",";
+        List<Parameter> args = m.getParameters();
+        for (int index = 1, i = 0; i < args.size(); i++) {
+            out.append(space);
+            out.append("arg").append(String.valueOf(index));
+            final String desc = args.get(i).getDescriptor();
+            if ("D".equals(desc) || "J".equals(desc)) {
+                index += 2;
+            } else {
+                index++;
+            }
+        }
+        out.append(") {").append("\n");
+        final Code code = m.getCode();
+        if (code != null) {
+            int len = code.getMaxLocals();
+            for (int index = args.size(), i = args.size(); i < len; i++) {
+                out.append("  var ");
+                out.append("arg").append(String.valueOf(i + 1)).append(";\n");
+            }
+            out.append(";\n  var stack = new Array(");
+            out.append(Integer.toString(code.getMaxStack()));
+            out.append(");\n");
+            produceCode(code.getByteCodes());
+        } else {
+            out.append("  /* no code found for ").append(m.getTypeSignature()).append(" */\n");
+        }
+        out.append("}");
+    }
+
+    private void produceCode(byte[] byteCodes) throws IOException {
+        out.append("\n  var gt = 0;\n  for(;;) switch(gt) {\n");
+        for (int i = 0; i < byteCodes.length; i++) {
+            int prev = i;
+            out.append("    case " + i).append(": ");
+            final int c = (byteCodes[i] + 256) % 256;
+            switch (c) {
+                case bc_aload_0:
+                case bc_iload_0:
+                case bc_lload_0:
+                case bc_fload_0:
+                case bc_dload_0:
+                    out.append("stack.push(arg0);");
+                    break;
+                case bc_aload_1:
+                case bc_iload_1:
+                case bc_lload_1:
+                case bc_fload_1:
+                case bc_dload_1:
+                    out.append("stack.push(arg1);");
+                    break;
+                case bc_aload_2:
+                case bc_iload_2:
+                case bc_lload_2:
+                case bc_fload_2:
+                case bc_dload_2:
+                    out.append("stack.push(arg2);");
+                    break;
+                case bc_aload_3:
+                case bc_iload_3:
+                case bc_lload_3:
+                case bc_fload_3:
+                case bc_dload_3:
+                    out.append("stack.push(arg3);");
+                    break;
+                case bc_iload:
+                case bc_lload:
+                case bc_fload:
+                case bc_dload:
+                case bc_aload: {
+                    final int indx = (byteCodes[++i] + 256) % 256;
+                    out.append("stack.push(arg").append(indx + ");");
+                    break;
+                }
+                case bc_astore_0:
+                case bc_istore_0:
+                case bc_lstore_0:
+                case bc_fstore_0:
+                case bc_dstore_0:
+                    out.append("arg0 = stack.pop();");
+                    break;
+                case bc_astore_1:
+                case bc_istore_1:
+                case bc_lstore_1:
+                case bc_fstore_1:
+                case bc_dstore_1:
+                    out.append("arg1 = stack.pop();");
+                    break;
+                case bc_astore_2:
+                case bc_istore_2:
+                case bc_lstore_2:
+                case bc_fstore_2:
+                case bc_dstore_2:
+                    out.append("arg2 = stack.pop();");
+                    break;
+                case bc_astore_3:
+                case bc_istore_3:
+                case bc_lstore_3:
+                case bc_fstore_3:
+                case bc_dstore_3:
+                    out.append("arg3 = stack.pop();");
+                    break;
+                case bc_iadd:
+                case bc_ladd:
+                case bc_fadd:
+                case bc_dadd:
+                    out.append("stack.push(stack.pop() + stack.pop());");
+                    break;
+                case bc_isub:
+                case bc_lsub:
+                case bc_fsub:
+                case bc_dsub:
+                    out.append("{ var tmp = stack.pop(); stack.push(stack.pop() - tmp); }");
+                    break;
+                case bc_imul:
+                case bc_lmul:
+                case bc_fmul:
+                case bc_dmul:
+                    out.append("stack.push(stack.pop() * stack.pop());");
+                    break;
+                case bc_idiv:
+                case bc_ldiv:
+                    out.append("{ var tmp = stack.pop(); stack.push(Math.floor(stack.pop() / tmp)); }");
+                    break;
+                case bc_fdiv:
+                case bc_ddiv:
+                    out.append("{ var tmp = stack.pop(); stack.push(stack.pop() / tmp); }");
+                    break;
+                case bc_iand:
+                case bc_land:
+                    out.append("stack.push(stack.pop() & stack.pop());");
+                    break;
+                case bc_ior:
+                case bc_lor:
+                    out.append("stack.push(stack.pop() | stack.pop());");
+                    break;
+                case bc_ixor:
+                case bc_lxor:
+                    out.append("stack.push(stack.pop() ^ stack.pop());");
+                    break;
+                case bc_iinc: {
+                    final int varIndx = (byteCodes[++i] + 256) % 256;
+                    final int incrBy = (byteCodes[++i] + 256) % 256;
+                    if (incrBy == 1) {
+                        out.append("arg" + varIndx).append("++;");
+                    } else {
+                        out.append("arg" + varIndx).append(" += " + incrBy).append(";");
+                    }
+                    break;
+                }
+                case bc_return:
+                    out.append("return;");
+                    break;
+                case bc_ireturn:
+                case bc_lreturn:
+                case bc_freturn:
+                case bc_dreturn:
+                case bc_areturn:
+                    out.append("return stack.pop();");
+                    break;
+                case bc_i2l:
+                case bc_i2f:
+                case bc_i2d:
+                case bc_l2i:
+                    // max int check?
+                case bc_l2f:
+                case bc_l2d:
+                case bc_f2d:
+                case bc_d2f:
+                    out.append("/* number conversion */");
+                    break;
+                case bc_f2i:
+                case bc_f2l:
+                case bc_d2i:
+                case bc_d2l:
+                    out.append("stack.push(Math.floor(stack.pop()));");
+                    break;
+                case bc_i2b:
+                case bc_i2c:
+                case bc_i2s:
+                    out.append("/* number conversion */");
+                    break;
+                case bc_iconst_0:
+                case bc_dconst_0:
+                case bc_lconst_0:
+                case bc_fconst_0:
+                    out.append("stack.push(0);");
+                    break;
+                case bc_iconst_1:
+                case bc_lconst_1:
+                case bc_fconst_1:
+                case bc_dconst_1:
+                    out.append("stack.push(1);");
+                    break;
+                case bc_iconst_2:
+                case bc_fconst_2:
+                    out.append("stack.push(2);");
+                    break;
+                case bc_iconst_3:
+                    out.append("stack.push(3);");
+                    break;
+                case bc_iconst_4:
+                    out.append("stack.push(4);");
+                    break;
+                case bc_iconst_5:
+                    out.append("stack.push(5);");
+                    break;
+                case bc_ldc: {
+                    int indx = byteCodes[++i];
+                    CPEntry entry = jc.getConstantPool().get(indx);
+                    String v = encodeConstant(entry);
+                    out.append("stack.push(").append(v).append(");");
+                    break;
+                }
+                case bc_ldc_w:
+                case bc_ldc2_w: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPEntry entry = jc.getConstantPool().get(indx);
+                    i += 2;
+                    String v = encodeConstant(entry);
+                    out.append("stack.push(").append(v).append(");");
+                    break;
+                }
+                case bc_lcmp:
+                case bc_fcmpl:
+                case bc_fcmpg:
+                case bc_dcmpl:
+                case bc_dcmpg: {
+                    out.append("{ var delta = stack.pop() - stack.pop(); stack.push(delta < 0 ?-1 : (delta == 0 ? 0 : 1)); }");
+                    break;
+                }
+                case bc_if_icmpeq: {
+                    i = generateIf(byteCodes, i, "==");
+                    break;
+                }
+                case bc_ifeq: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() == 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifne: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() != 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_iflt: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() < 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifle: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() <= 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifgt: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() > 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifge: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop() >= 0) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifnonnull: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (stack.pop()) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_ifnull: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("if (!stack.pop()) { gt = " + indx);
+                    out.append("; continue; }");
+                    i += 2;
+                    break;
+                }
+                case bc_if_icmpne:
+                    i = generateIf(byteCodes, i, "!=");
+                    break;
+                case bc_if_icmplt:
+                    i = generateIf(byteCodes, i, ">");
+                    break;
+                case bc_if_icmple:
+                    i = generateIf(byteCodes, i, ">=");
+                    break;
+                case bc_if_icmpgt:
+                    i = generateIf(byteCodes, i, "<");
+                    break;
+                case bc_if_icmpge:
+                    i = generateIf(byteCodes, i, "<=");
+                    break;
+                case bc_goto: {
+                    int indx = i + readIntArg(byteCodes, i);
+                    out.append("gt = " + indx).append("; continue;");
+                    i += 2;
+                    break;
+                }
+                case bc_invokeinterface:
+                case bc_invokevirtual:
+                    i = invokeVirtualMethod(byteCodes, i);
+                    break;
+                case bc_invokespecial:
+                    i = invokeStaticMethod(byteCodes, i, false);
+                    break;
+                case bc_invokestatic:
+                    i = invokeStaticMethod(byteCodes, i, true);
+                    break;
+                case bc_new: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPClassInfo ci = jc.getConstantPool().getClass(indx);
+                    out.append("stack.push(");
+                    out.append("new ").append(ci.getClassName().getInternalName().replace('/','_'));
+                    out.append(");");
+                    addReference(ci.getClassName().getInternalName());
+                    i += 2;
+                    break;
+                }
+                case bc_newarray: {
+                    int type = byteCodes[i++];
+                    out.append("stack.push(new Array(stack.pop()));");
+                    break;
+                }
+                case bc_anewarray: {
+                    i += 2; // skip type of array
+                    out.append("stack.push(new Array(stack.pop()));");
+                    break;
+                }
+                case bc_arraylength:
+                    out.append("stack.push(stack.pop().length);");
+                    break;
+                case bc_iastore:
+                case bc_lastore:
+                case bc_fastore:
+                case bc_dastore:
+                case bc_aastore:
+                case bc_bastore:
+                case bc_castore:
+                case bc_sastore: {
+                    out.append("{ var value = stack.pop(); var indx = stack.pop(); stack.pop()[indx] = value; }");
+                    break;
+                }
+                case bc_iaload:
+                case bc_laload:
+                case bc_faload:
+                case bc_daload:
+                case bc_aaload:
+                case bc_baload:
+                case bc_caload:
+                case bc_saload: {
+                    out.append("{ var indx = stack.pop(); stack.push(stack.pop()[indx]); }");
+                    break;
+                }
+                case bc_dup:
+                    out.append("stack.push(stack[stack.length - 1]);");
+                    break;
+                case bc_bipush:
+                    out.append("stack.push(" + byteCodes[++i] + ");");
+                    break;
+                case bc_getfield: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
+                    out.append("stack.push(stack.pop().").append(fi.getFieldName()).append(");");
+                    i += 2;
+                    break;
+                }
+                case bc_getstatic: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
+                    final String in = fi.getClassName().getInternalName();
+                    out.append("stack.push(").append(in.replace('/', '_'));
+                    out.append('_').append(fi.getFieldName()).append(");");
+                    i += 2;
+                    addReference(in);
+                    break;
+                }
+                case bc_putstatic: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
+                    final String in = fi.getClassName().getInternalName();
+                    out.append(in.replace('/', '_'));
+                    out.append('_').append(fi.getFieldName()).append(" = stack.pop();");
+                    i += 2;
+                    addReference(in);
+                    break;
+                }
+                case bc_putfield: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
+                    out.append("{ var v = stack.pop(); stack.pop().")
+                       .append(fi.getFieldName()).append(" = v; }");
+                    i += 2;
+                    break;
+                }
+                case bc_instanceof: {
+                    int indx = readIntArg(byteCodes, i);
+                    CPClassInfo ci = jc.getConstantPool().getClass(indx);
+                    out.append("stack.push(stack.pop().$instOf_")
+                       .append(ci.getClassName().getInternalName().replace('/', '_'))
+                       .append(" ? 1 : 0);");
+                    i += 2;
+                }
+                    
+            }
+            out.append(" /*");
+            for (int j = prev; j <= i; j++) {
+                out.append(" ");
+                final int cc = (byteCodes[j] + 256) % 256;
+                out.append(Integer.toString(cc));
+            }
+            out.append("*/\n");
+        }
+        out.append("  }\n");
+    }
+
+    private int generateIf(byte[] byteCodes, int i, final String test) throws IOException {
+        int indx = i + readIntArg(byteCodes, i);
+        out.append("if (stack.pop() ").append(test).append(" stack.pop()) { gt = " + indx);
+        out.append("; continue; }");
+        return i + 2;
+    }
+
+    private int readIntArg(byte[] byteCodes, int offsetInstruction) {
+        final int indxHi = byteCodes[offsetInstruction + 1] << 8;
+        final int indxLo = byteCodes[offsetInstruction + 2];
+        return (indxHi & 0xffffff00) | (indxLo & 0xff);
+    }
+    
+    private static int countArgs(String descriptor, boolean[] hasReturnType, StringBuilder sig) {
+        int cnt = 0;
+        int i = 0;
+        Boolean count = null;
+        int firstPos = sig.length();
+        while (i < descriptor.length()) {
+            char ch = descriptor.charAt(i++);
+            switch (ch) {
+                case '(':
+                    count = true;
+                    continue;
+                case ')':
+                    count = false;
+                    continue;
+                case 'B': 
+                case 'C': 
+                case 'D': 
+                case 'F': 
+                case 'I': 
+                case 'J': 
+                case 'S': 
+                case 'Z': 
+                    if (count) {
+                        cnt++;
+                        sig.append(ch);
+                    } else {
+                        hasReturnType[0] = true;
+                        sig.insert(firstPos, ch);
+                    }
+                    continue;
+                case 'V': 
+                    assert !count;
+                    hasReturnType[0] = false;
+                    sig.insert(firstPos, 'V');
+                    continue;
+                case 'L':
+                    int next = descriptor.indexOf(';', i);
+                    if (count) {
+                        cnt++;
+                        sig.append(ch);
+                        sig.append(descriptor.substring(i, next).replace('/', '_'));
+                    } else {
+                        sig.insert(firstPos, descriptor.substring(i, next).replace('/', '_'));
+                        sig.insert(firstPos, ch);
+                        hasReturnType[0] = true;
+                    }
+                    i = next + 1;
+                    continue;
+                case '[':
+                    //arrays++;
+                    continue;
+                default:
+                    break; // invalid character
+            }
+        }
+        return cnt;
+    }
+
+    private void generateStaticField(Variable v) throws IOException {
+        out.append("\nvar ")
+           .append(jc.getName().getInternalName().replace('/', '_'))
+           .append('_').append(v.getName()).append(" = 0;");
+    }
+
+    private String findMethodName(Method m) {
+        StringBuilder tmp = new StringBuilder();
+        if ("<init>".equals(m.getName())) { // NOI18N
+            tmp.append("consV"); // NOI18N
+        } else if ("<clinit>".equals(m.getName())) { // NOI18N
+            tmp.append("classV"); // NOI18N
+        } else {
+            tmp.append(m.getName());
+            outType(m.getReturnType(), tmp);
+        } 
+        List<Parameter> args = m.getParameters();
+        for (Parameter t : args) {
+            outType(t.getDescriptor(), tmp);
+        }
+        return tmp.toString();
+    }
+
+    private String findMethodName(CPMethodInfo mi, int[] cnt, boolean[] hasReturn) {
+        StringBuilder name = new StringBuilder();
+        if ("<init>".equals(mi.getName())) { // NOI18N
+            name.append("cons"); // NOI18N
+        } else {
+            name.append(mi.getName());
+        }
+        cnt[0] = countArgs(mi.getDescriptor(), hasReturn, name);
+        return name.toString();
+    }
+
+    private int invokeStaticMethod(byte[] byteCodes, int i, boolean isStatic)
+    throws IOException {
+        int methodIndex = readIntArg(byteCodes, i);
+        CPMethodInfo mi = (CPMethodInfo) jc.getConstantPool().get(methodIndex);
+        boolean[] hasReturn = { false };
+        int[] cnt = { 0 };
+        String mn = findMethodName(mi, cnt, hasReturn);
+        out.append("{ ");
+        for (int j = cnt[0] - 1; j >= 0; j--) {
+            out.append("var v" + j).append(" = stack.pop(); ");
+        }
+        
+        if (hasReturn[0]) {
+            out.append("stack.push(");
+        }
+        final String in = mi.getClassName().getInternalName();
+        out.append(in.replace('/', '_'));
+        out.append('_');
+        out.append(mn);
+        out.append('(');
+        String sep = "";
+        if (!isStatic) {
+            out.append("stack.pop()");
+            sep = ", ";
+        }
+        for (int j = 0; j < cnt[0]; j++) {
+            out.append(sep);
+            out.append("v" + j);
+            sep = ", ";
+        }
+        out.append(")");
+        if (hasReturn[0]) {
+            out.append(")");
+        }
+        out.append("; }");
+        i += 2;
+        addReference(in);
+        return i;
+    }
+    private int invokeVirtualMethod(byte[] byteCodes, int i)
+    throws IOException {
+        int methodIndex = readIntArg(byteCodes, i);
+        CPMethodInfo mi = (CPMethodInfo) jc.getConstantPool().get(methodIndex);
+        boolean[] hasReturn = { false };
+        int[] cnt = { 0 };
+        String mn = findMethodName(mi, cnt, hasReturn);
+        out.append("{ ");
+        for (int j = cnt[0] - 1; j >= 0; j--) {
+            out.append("var v" + j).append(" = stack.pop(); ");
+        }
+        out.append("var self = stack.pop(); ");
+        if (hasReturn[0]) {
+            out.append("stack.push(");
+        }
+        out.append("self.");
+        out.append(mn);
+        out.append('(');
+        out.append("self");
+        for (int j = 0; j < cnt[0]; j++) {
+            out.append(", ");
+            out.append("v" + j);
+        }
+        out.append(")");
+        if (hasReturn[0]) {
+            out.append(")");
+        }
+        out.append("; }");
+        i += 2;
+        return i;
+    }
+    
+    private void addReference(String cn) {
+        if (references != null) {
+            references.add(cn);
+        }
+    }
+
+    private void outType(final String d, StringBuilder out) {
+        if (d.charAt(0) == 'L') {
+            assert d.charAt(d.length() - 1) == ';';
+            out.append(d.replace('/', '_').substring(0, d.length() - 1));
+        } else {
+            out.append(d);
+        }
+    }
+
+    private String encodeConstant(CPEntry entry) {
+        final String v;
+        if (entry instanceof CPStringInfo) {
+            v = "\"" + entry.getValue().toString().replace("\"", "\\\"") + "\"";
+        } else {
+            v = entry.getValue().toString();
+        }
+        return v;
+    }
+}