jaroslav@106: /**
jaroslav@106:  * Back 2 Browser Bytecode Translator
jaroslav@106:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@106:  *
jaroslav@106:  * This program is free software: you can redistribute it and/or modify
jaroslav@106:  * it under the terms of the GNU General Public License as published by
jaroslav@106:  * the Free Software Foundation, version 2 of the License.
jaroslav@106:  *
jaroslav@106:  * This program is distributed in the hope that it will be useful,
jaroslav@106:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@106:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@106:  * GNU General Public License for more details.
jaroslav@106:  *
jaroslav@106:  * You should have received a copy of the GNU General Public License
jaroslav@106:  * along with this program. Look for COPYING file in the top folder.
jaroslav@106:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@106:  */
jaroslav@22: package org.apidesign.vm4brwsr;
jaroslav@0: 
jaroslav@0: import java.io.IOException;
jaroslav@0: import java.io.InputStream;
jtulach@167: import org.apidesign.javap.AnnotationParser;
jtulach@167: import org.apidesign.javap.ClassData;
jtulach@167: import org.apidesign.javap.FieldData;
jtulach@167: import org.apidesign.javap.MethodData;
lubomir@221: import org.apidesign.javap.StackMapIterator;
jtulach@167: import static org.apidesign.javap.RuntimeConstants.*;
tzezula@287: import org.apidesign.javap.TrapData;
jaroslav@288: import org.apidesign.javap.TrapDataIterator;
jaroslav@0: 
jaroslav@0: /** Translator of the code inside class files to JavaScript.
jaroslav@0:  *
jaroslav@0:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0:  */
jaroslav@298: abstract class ByteCodeToJavaScript {
jtulach@162:     private ClassData jc;
jaroslav@272:     final Appendable out;
jaroslav@0: 
jtulach@162:     protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0:         this.out = out;
jaroslav@0:     }
jtulach@162:     
jtulach@162:     /* Collects additional required resources.
jtulach@162:      * 
jtulach@162:      * @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162:      *   generated JavaScript code works properly. The names are in internal 
jtulach@162:      *   JVM form so String is <code>java/lang/String</code>. 
jtulach@162:      */
jtulach@162:     protected abstract boolean requireReference(String internalClassName);
jtulach@162:     
jtulach@162:     /*
jtulach@162:      * @param resourcePath name of resources to read
jtulach@162:      */
jtulach@162:     protected abstract void requireScript(String resourcePath);
jaroslav@213:     
jaroslav@213:     /** Allows subclasses to redefine what field a function representing a
jaroslav@213:      * class gets assigned. By default it returns the suggested name followed
jaroslav@213:      * by <code>" = "</code>;
jaroslav@213:      * 
jaroslav@213:      * @param className suggested name of the class
jaroslav@213:      */
jaroslav@274:     /* protected */ String assignClass(String className) {
jaroslav@213:         return className + " = ";
jaroslav@213:     }
jaroslav@274:     /* protected */ String accessClass(String classOperation) {
jaroslav@274:         return classOperation;
jaroslav@274:     }
jaroslav@399:     
jaroslav@399:     /** Prints out a debug message. 
jaroslav@399:      * 
jaroslav@399:      * @param msg the message
jaroslav@399:      * @return true if the message has been printed
jaroslav@399:      * @throws IOException 
jaroslav@399:      */
jaroslav@399:     boolean debug(String msg) throws IOException {
jaroslav@399:         out.append(msg);
jaroslav@399:         return true;
jaroslav@399:     }
jaroslav@18: 
jaroslav@18:     /**
jaroslav@18:      * Converts a given class file to a JavaScript version.
jaroslav@18:      *
jaroslav@0:      * @param classFile input stream with code of the .class file
jaroslav@97:      * @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91:      * 
jaroslav@0:      * @throws IOException if something goes wrong during read or write or translating
jaroslav@0:      */
jaroslav@18:     
jtulach@162:     public String compile(InputStream classFile) throws IOException {
jtulach@162:         this.jc = new ClassData(classFile);
jaroslav@324:         if (jc.getMajor_version() < 50) {
jaroslav@324:             throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324:                 + jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324:             );
jaroslav@324:         }
jaroslav@152:         byte[] arrData = jc.findAnnotationData(true);
jaroslav@170:         String[] arr = findAnnotation(arrData, jc, 
jaroslav@170:             "org.apidesign.bck2brwsr.core.ExtraJavaScript", 
jaroslav@170:             "resource", "processByteCode"
jaroslav@170:         );
jaroslav@152:         if (arr != null) {
jtulach@162:             requireScript(arr[0]);
jaroslav@152:             if ("0".equals(arr[1])) {
jaroslav@97:                 return null;
jaroslav@91:             }
jaroslav@91:         }
jaroslav@239:         String[] proto = findAnnotation(arrData, jc, 
jaroslav@239:             "org.apidesign.bck2brwsr.core.JavaScriptPrototype", 
jaroslav@239:             "container", "prototype"
jaroslav@239:         );
jtulach@162:         StringArray toInitilize = new StringArray();
jaroslav@151:         final String className = className(jc);
jaroslav@213:         out.append("\n\n").append(assignClass(className));
jaroslav@213:         out.append("function CLS() {");
jaroslav@213:         out.append("\n  if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191:         for (FieldData v : jc.getFields()) {
jtulach@191:             if (v.isStatic()) {
jaroslav@213:                 out.append("\n  CLS.").append(v.getName()).append(initField(v));
jtulach@191:             }
jtulach@191:         }
jaroslav@239:         if (proto == null) {
jaroslav@239:             String sc = jc.getSuperClassName(); // with _
jaroslav@230:             out.append("\n    var pp = ").
jaroslav@274:                 append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230:             out.append("\n    var p = CLS.prototype = pp;");
jaroslav@239:             out.append("\n    var c = p;");
jaroslav@230:             out.append("\n    var sprcls = pp.constructor.$class;");
jtulach@130:         } else {
jaroslav@240:             out.append("\n    var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316:             if (proto[0] == null) {
jaroslav@316:                 proto[0] = "p";
jaroslav@316:             }
jaroslav@239:             out.append("\n    var c = ").append(proto[0]).append(";");
jaroslav@230:             out.append("\n    var sprcls = null;");
jaroslav@13:         }
jaroslav@151:         for (MethodData m : jc.getMethods()) {
jaroslav@240:             byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240:             String[] only = findAnnotation(onlyArr, jc, 
jaroslav@240:                 "org.apidesign.bck2brwsr.core.JavaScriptOnly", 
jaroslav@240:                 "name", "value"
jaroslav@240:             );
jaroslav@240:             if (only != null) {
jaroslav@240:                 if (only[0] != null && only[1] != null) {
jaroslav@240:                     out.append("\n    p.").append(only[0]).append(" = ")
jaroslav@240:                         .append(only[1]).append(";");
jaroslav@240:                 }
jaroslav@240:                 continue;
jaroslav@240:             }
jaroslav@397:             String prefix;
jaroslav@266:             String mn;
jaroslav@203:             if (m.isStatic()) {
jaroslav@397:                 prefix = "\n    c.";
jaroslav@397:                 mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203:             } else {
jaroslav@397:                 if (m.isConstructor()) {
jaroslav@397:                     prefix = "\n    CLS.";
jaroslav@397:                     mn = generateInstanceMethod(prefix, m);
jaroslav@397:                 } else {
jaroslav@397:                     prefix = "\n    c.";
jaroslav@397:                     mn = generateInstanceMethod(prefix, m);
jaroslav@397:                 }
jaroslav@266:             }
jaroslav@266:             byte[] runAnno = m.findAnnotationData(false);
jaroslav@266:             if (runAnno != null) {
jaroslav@397:                 out.append(prefix).append(mn).append(".anno = {");
jaroslav@266:                 generateAnno(jc, out, runAnno);
jaroslav@266:                 out.append("\n    };");
jaroslav@38:             }
jaroslav@397:             out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38:         }
jaroslav@239:         out.append("\n    c.constructor = CLS;");
jaroslav@239:         out.append("\n    c.$instOf_").append(className).append(" = true;");
jaroslav@151:         for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239:             out.append("\n    c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40:         }
jaroslav@274:         out.append("\n    CLS.$class = ");
jaroslav@274:         out.append(accessClass("java_lang_Class(true);"));
jaroslav@225:         out.append("\n    CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230:         out.append("\n    CLS.$class.superclass = sprcls;");
jaroslav@355:         out.append("\n    CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231:         out.append("\n    CLS.$class.cnstr = CLS;");
jaroslav@235:         byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235:         if (classAnno != null) {
jaroslav@235:             out.append("\n    CLS.$class.anno = {");
jaroslav@235:             generateAnno(jc, out, classAnno);
jaroslav@235:             out.append("\n    };");
jaroslav@235:         }
jaroslav@204:         out.append("\n  }");
jaroslav@205:         out.append("\n  if (arguments.length === 0) {");
jaroslav@226:         out.append("\n    if (!(this instanceof CLS)) {");
jaroslav@226:         out.append("\n      return new CLS();");
jaroslav@226:         out.append("\n    }");
jaroslav@205:         for (FieldData v : jc.getFields()) {
jaroslav@240:             byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240:             String[] only = findAnnotation(onlyArr, jc, 
jaroslav@240:                 "org.apidesign.bck2brwsr.core.JavaScriptOnly", 
jaroslav@240:                 "name", "value"
jaroslav@240:             );
jaroslav@240:             if (only != null) {
jaroslav@240:                 if (only[0] != null && only[1] != null) {
jaroslav@240:                     out.append("\n    p.").append(only[0]).append(" = ")
jaroslav@240:                         .append(only[1]).append(";");
jaroslav@240:                 }
jaroslav@240:                 continue;
jaroslav@240:             }
jaroslav@205:             if (!v.isStatic()) {
jaroslav@205:                 out.append("\n    this.fld_").
jaroslav@205:                     append(v.getName()).append(initField(v));
jaroslav@205:             }
jaroslav@205:         }
jaroslav@205:         out.append("\n    return this;");
jaroslav@205:         out.append("\n  }");
jaroslav@224:         out.append("\n  return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98:         out.append("\n}");
jaroslav@97:         StringBuilder sb = new StringBuilder();
jtulach@162:         for (String init : toInitilize.toArray()) {
jaroslav@97:             sb.append("\n").append(init).append("();");
jaroslav@21:         }
jaroslav@97:         return sb.toString();
jaroslav@0:     }
jaroslav@266:     private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266:         String jsb = javaScriptBody(prefix, m, true);
jaroslav@266:         if (jsb != null) {
jaroslav@266:             return jsb;
jaroslav@94:         }
lubomir@307:         final String mn = findMethodName(m, new StringBuilder());
jaroslav@248:         if (mn.equals("class__V")) {
jaroslav@274:             toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21:         }
lubomir@307:         generateMethod(prefix, mn, m);
jaroslav@266:         return mn;
jaroslav@10:     }
lubomir@307: 
jaroslav@266:     private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266:         String jsb = javaScriptBody(prefix, m, false);
jaroslav@266:         if (jsb != null) {
jaroslav@266:             return jsb;
jaroslav@94:         }
lubomir@307:         final String mn = findMethodName(m, new StringBuilder());
lubomir@307:         generateMethod(prefix, mn, m);
jaroslav@266:         return mn;
jaroslav@0:     }
jaroslav@0: 
lubomir@307:     private void generateMethod(String prefix, String name, MethodData m)
lubomir@307:             throws IOException {
lubomir@307:         final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376:         TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307:         final LocalsMapper lmapper =
lubomir@307:                 new LocalsMapper(stackMapIterator.getArguments());
lubomir@307: 
lubomir@307:         out.append(prefix).append(name).append(" = function(");
jaroslav@442:         lmapper.outputArguments(out, m.isStatic());
lubomir@307:         out.append(") {").append("\n");
lubomir@307: 
lubomir@221:         final byte[] byteCodes = m.getCode();
lubomir@307:         if (byteCodes == null) {
lubomir@307:             out.append("  throw 'no code found for ")
jaroslav@424:                .append(jc.getClassName()).append('.')
jaroslav@424:                .append(m.getName()).append("';\n");
lubomir@307:             out.append("};");
lubomir@307:             return;
lubomir@307:         }
lubomir@307: 
lubomir@307:         final StackMapper smapper = new StackMapper();
lubomir@307: 
lubomir@307:         final int maxLocals = m.getMaxLocals();
lubomir@307:         if (maxLocals > 0) {
lubomir@307:             // TODO: generate only used local variables
lubomir@307:             for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@307:                 out.append("\n  var ").append(Variable.getLocalVariable(j, 0));
lubomir@307:                 for (int i = 1; i < maxLocals; ++i) {
lubomir@307:                     out.append(", ");
lubomir@307:                     out.append(Variable.getLocalVariable(j, i));
lubomir@307:                 }
lubomir@307:                 out.append(';');
lubomir@307:             }
lubomir@307:         }
jaroslav@442:         if (!m.isStatic()) {
jaroslav@442:             out.append("  var ").append(" lcA0 = this;\n");
jaroslav@442:         }
lubomir@221: 
lubomir@221:         // maxStack includes two stack positions for every pushed long / double
lubomir@221:         // so this might generate more stack variables than we need
lubomir@221:         final int maxStack = m.getMaxStack();
lubomir@221:         if (maxStack > 0) {
lubomir@281:             // TODO: generate only used stack variables
lubomir@307:             for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281:                 out.append("\n  var ").append(Variable.getStackVariable(j, 0));
lubomir@281:                 for (int i = 1; i < maxStack; ++i) {
lubomir@281:                     out.append(", ");
lubomir@281:                     out.append(Variable.getStackVariable(j, i));
lubomir@281:                 }
lubomir@281:                 out.append(';');
lubomir@221:             }
lubomir@221:         }
lubomir@221: 
lubomir@221:         int lastStackFrame = -1;
jaroslav@398:         TrapData[] previousTrap = null;
jaroslav@398:         
jaroslav@10:         out.append("\n  var gt = 0;\n  for(;;) switch(gt) {\n");
jaroslav@0:         for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272:             int prev = i;
lubomir@221:             stackMapIterator.advanceTo(i);
jaroslav@398:             boolean changeInCatch = trap.advanceTo(i);
jaroslav@398:             if (changeInCatch || lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398:                 if (previousTrap != null) {
jaroslav@398:                     generateCatch(previousTrap);
jaroslav@398:                     previousTrap = null;
jaroslav@398:                 }
jaroslav@398:             }
lubomir@221:             if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221:                 lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307:                 lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307:                 smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376:                 out.append("    case " + i).append(": ");            
jaroslav@398:                 changeInCatch = true;
lubomir@221:             } else {
jaroslav@399:                 debug("    /* " + i + " */ ");
lubomir@221:             }
jaroslav@398:             if (changeInCatch && trap.useTry()) {
tzezula@285:                 out.append("try {");
jaroslav@398:                 previousTrap = trap.current();
tzezula@285:             }
jtulach@128:             final int c = readByte(byteCodes, i);
jaroslav@0:             switch (c) {
jaroslav@151:                 case opc_aload_0:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_iload_0:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_lload_0:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_fload_0:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_dload_0:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0:                     break;
jaroslav@151:                 case opc_aload_1:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281:                     break;
jaroslav@151:                 case opc_iload_1:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281:                     break;
jaroslav@151:                 case opc_lload_1:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281:                     break;
jaroslav@151:                 case opc_fload_1:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281:                     break;
jaroslav@151:                 case opc_dload_1:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0:                     break;
jaroslav@151:                 case opc_aload_2:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281:                     break;
jaroslav@151:                 case opc_iload_2:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281:                     break;
jaroslav@151:                 case opc_lload_2:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281:                     break;
jaroslav@151:                 case opc_fload_2:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281:                     break;
jaroslav@151:                 case opc_dload_2:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2:                     break;
jaroslav@151:                 case opc_aload_3:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281:                     break;
jaroslav@151:                 case opc_iload_3:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281:                     break;
jaroslav@151:                 case opc_lload_3:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281:                     break;
jaroslav@151:                 case opc_fload_3:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281:                     break;
jaroslav@151:                 case opc_dload_3:
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3:                     break;
lubomir@281:                 case opc_iload: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_lload: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_fload: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_dload: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281:                     break;
lubomir@281:                 }
jaroslav@151:                 case opc_aload: {
jtulach@128:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3:                     break;
jaroslav@3:                 }
lubomir@281:                 case opc_istore: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_lstore: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_fstore: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_dstore: {
lubomir@281:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281:                     break;
lubomir@281:                 }
jaroslav@151:                 case opc_astore: {
jtulach@128:                     final int indx = readByte(byteCodes, ++i);
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31:                     break;
jaroslav@31:                 }
jaroslav@151:                 case opc_astore_0:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281:                     break;
jaroslav@151:                 case opc_istore_0:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lstore_0:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fstore_0:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dstore_0:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5:                     break;
jaroslav@151:                 case opc_astore_1:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281:                     break;
jaroslav@151:                 case opc_istore_1:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lstore_1:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fstore_1:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dstore_1:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5:                     break;
jaroslav@151:                 case opc_astore_2:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281:                     break;
jaroslav@151:                 case opc_istore_2:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lstore_2:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fstore_2:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dstore_2:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5:                     break;
jaroslav@151:                 case opc_astore_3:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281:                     break;
jaroslav@151:                 case opc_istore_3:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lstore_3:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fstore_3:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dstore_3:
lubomir@307:                     emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5:                     break;
jaroslav@151:                 case opc_iadd:
Martin@351:                     emit(out, "@1 = (@1 + @2) | 0;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_ladd:
lubomir@307:                     emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fadd:
lubomir@307:                     emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dadd:
lubomir@307:                     emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0:                     break;
jaroslav@151:                 case opc_isub:
Martin@351:                     emit(out, "@1 = (@1 - @2) | 0;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lsub:
lubomir@307:                     emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fsub:
lubomir@307:                     emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dsub:
lubomir@307:                     emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2:                     break;
jaroslav@151:                 case opc_imul:
Martin@351:                     emit(out, "@1 = (((@1 * (@2 >> 16)) << 16) + @1 * (@2 & 0xFFFF)) | 0;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lmul:
lubomir@307:                     emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fmul:
lubomir@307:                     emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dmul:
lubomir@307:                     emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1:                     break;
jaroslav@151:                 case opc_idiv:
lubomir@283:                     emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307:                          smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_ldiv:
lubomir@283:                     emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307:                          smapper.getL(1), smapper.popL());
jaroslav@3:                     break;
jaroslav@151:                 case opc_fdiv:
lubomir@307:                     emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_ddiv:
lubomir@307:                     emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3:                     break;
jaroslav@178:                 case opc_irem:
lubomir@307:                     emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@178:                 case opc_lrem:
lubomir@307:                     emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281:                     break;
jaroslav@178:                 case opc_frem:
lubomir@307:                     emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281:                     break;
jaroslav@178:                 case opc_drem:
lubomir@307:                     emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178:                     break;
jaroslav@151:                 case opc_iand:
lubomir@307:                     emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_land:
lubomir@307:                     emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7:                     break;
jaroslav@151:                 case opc_ior:
lubomir@307:                     emit(out, "@1 |= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lor:
lubomir@307:                     emit(out, "@1 |= @2;", smapper.getL(1), smapper.popL());
jaroslav@7:                     break;
jaroslav@151:                 case opc_ixor:
lubomir@307:                     emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lxor:
lubomir@307:                     emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6:                     break;
jaroslav@151:                 case opc_ineg:
lubomir@307:                     emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_lneg:
lubomir@307:                     emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_fneg:
lubomir@307:                     emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281:                     break;
jaroslav@151:                 case opc_dneg:
lubomir@307:                     emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93:                     break;
jaroslav@151:                 case opc_ishl:
lubomir@307:                     emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lshl:
lubomir@307:                     emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93:                     break;
jaroslav@151:                 case opc_ishr:
lubomir@307:                     emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lshr:
lubomir@307:                     emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93:                     break;
jaroslav@151:                 case opc_iushr:
lubomir@307:                     emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lushr:
lubomir@307:                     emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93:                     break;
jaroslav@151:                 case opc_iinc: {
jtulach@128:                     final int varIndx = readByte(byteCodes, ++i);
jaroslav@104:                     final int incrBy = byteCodes[++i];
jaroslav@5:                     if (incrBy == 1) {
lubomir@307:                         emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5:                     } else {
lubomir@307:                         emit(out, "@1 += @2;",
lubomir@307:                              lmapper.getI(varIndx),
lubomir@283:                              Integer.toString(incrBy));
jaroslav@5:                     }
jaroslav@5:                     break;
jaroslav@5:                 }
jaroslav@151:                 case opc_return:
lubomir@283:                     emit(out, "return;");
jaroslav@10:                     break;
jaroslav@151:                 case opc_ireturn:
lubomir@307:                     emit(out, "return @1;", smapper.popI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lreturn:
lubomir@307:                     emit(out, "return @1;", smapper.popL());
lubomir@281:                     break;
jaroslav@151:                 case opc_freturn:
lubomir@307:                     emit(out, "return @1;", smapper.popF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dreturn:
lubomir@307:                     emit(out, "return @1;", smapper.popD());
lubomir@281:                     break;
jaroslav@151:                 case opc_areturn:
lubomir@307:                     emit(out, "return @1;", smapper.popA());
jaroslav@1:                     break;
jaroslav@151:                 case opc_i2l:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281:                     break;
jaroslav@151:                 case opc_i2f:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281:                     break;
jaroslav@151:                 case opc_i2d:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281:                     break;
jaroslav@151:                 case opc_l2i:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281:                     break;
jaroslav@3:                     // max int check?
jaroslav@151:                 case opc_l2f:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272:                     break;
jaroslav@151:                 case opc_l2d:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272:                     break;
jaroslav@151:                 case opc_f2d:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281:                     break;
jaroslav@151:                 case opc_d2f:
lubomir@307:                     emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3:                     break;
jaroslav@151:                 case opc_f2i:
lubomir@283:                     emit(out, "@2 = Math.floor(@1);",
lubomir@307:                          smapper.popF(), smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_f2l:
lubomir@283:                     emit(out, "@2 = Math.floor(@1);",
lubomir@307:                          smapper.popF(), smapper.pushL());
lubomir@281:                     break;
jaroslav@151:                 case opc_d2i:
lubomir@283:                     emit(out, "@2 = Math.floor(@1);",
lubomir@307:                          smapper.popD(), smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_d2l:
lubomir@283:                     emit(out, "@2 = Math.floor(@1);",
lubomir@307:                          smapper.popD(), smapper.pushL());
jaroslav@3:                     break;
jaroslav@151:                 case opc_i2b:
jaroslav@151:                 case opc_i2c:
jaroslav@151:                 case opc_i2s:
jaroslav@337:                     out.append("{ /* number conversion */ }");
jaroslav@2:                     break;
jaroslav@151:                 case opc_aconst_null:
lubomir@307:                     emit(out, "@1 = null;", smapper.pushA());
jaroslav@46:                     break;
jaroslav@151:                 case opc_iconst_m1:
lubomir@307:                     emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48:                     break;
jaroslav@151:                 case opc_iconst_0:
lubomir@307:                     emit(out, "@1 = 0;", smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_dconst_0:
lubomir@307:                     emit(out, "@1 = 0;", smapper.pushD());
lubomir@281:                     break;
jaroslav@151:                 case opc_lconst_0:
lubomir@307:                     emit(out, "@1 = 0;", smapper.pushL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fconst_0:
lubomir@307:                     emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4:                     break;
jaroslav@151:                 case opc_iconst_1:
lubomir@307:                     emit(out, "@1 = 1;", smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_lconst_1:
lubomir@307:                     emit(out, "@1 = 1;", smapper.pushL());
lubomir@281:                     break;
jaroslav@151:                 case opc_fconst_1:
lubomir@307:                     emit(out, "@1 = 1;", smapper.pushF());
lubomir@281:                     break;
jaroslav@151:                 case opc_dconst_1:
lubomir@307:                     emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4:                     break;
jaroslav@151:                 case opc_iconst_2:
lubomir@307:                     emit(out, "@1 = 2;", smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_fconst_2:
lubomir@307:                     emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4:                     break;
jaroslav@151:                 case opc_iconst_3:
lubomir@307:                     emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4:                     break;
jaroslav@151:                 case opc_iconst_4:
lubomir@307:                     emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4:                     break;
jaroslav@151:                 case opc_iconst_5:
lubomir@307:                     emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4:                     break;
jaroslav@151:                 case opc_ldc: {
jtulach@128:                     int indx = readByte(byteCodes, ++i);
jaroslav@151:                     String v = encodeConstant(indx);
lubomir@307:                     int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_ldc_w:
jaroslav@151:                 case opc_ldc2_w: {
jaroslav@8:                     int indx = readIntArg(byteCodes, i);
jaroslav@8:                     i += 2;
jaroslav@151:                     String v = encodeConstant(indx);
lubomir@307:                     int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8:                     break;
jaroslav@8:                 }
jaroslav@151:                 case opc_lcmp:
lubomir@283:                     emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307:                          smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_fcmpl:
jaroslav@151:                 case opc_fcmpg:
lubomir@283:                     emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307:                          smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281:                     break;
jaroslav@151:                 case opc_dcmpl:
lubomir@281:                 case opc_dcmpg:
lubomir@283:                     emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307:                          smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20:                     break;
jaroslav@151:                 case opc_if_acmpeq:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281:                                    "===");
jaroslav@104:                     break;
jaroslav@151:                 case opc_if_acmpne:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281:                                    "!=");
jaroslav@104:                     break;
lubomir@283:                 case opc_if_icmpeq:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    "==");
jaroslav@4:                     break;
jaroslav@151:                 case opc_ifeq: {
jaroslav@7:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@7:                     i += 2;
jaroslav@7:                     break;
jaroslav@7:                 }
jaroslav@151:                 case opc_ifne: {
jaroslav@20:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@20:                     i += 2;
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_iflt: {
jaroslav@20:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@20:                     i += 2;
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_ifle: {
jaroslav@20:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@20:                     i += 2;
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_ifgt: {
jaroslav@20:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@20:                     i += 2;
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_ifge: {
jaroslav@20:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307:                          smapper.popI(), Integer.toString(indx));
jaroslav@20:                     i += 2;
jaroslav@20:                     break;
jaroslav@20:                 }
jaroslav@151:                 case opc_ifnonnull: {
jaroslav@16:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307:                          smapper.popA(), Integer.toString(indx));
jaroslav@16:                     i += 2;
jaroslav@16:                     break;
jaroslav@16:                 }
jaroslav@151:                 case opc_ifnull: {
jaroslav@16:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307:                          smapper.popA(), Integer.toString(indx));
jaroslav@16:                     i += 2;
jaroslav@16:                     break;
jaroslav@16:                 }
jaroslav@151:                 case opc_if_icmpne:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    "!=");
jaroslav@4:                     break;
jaroslav@151:                 case opc_if_icmplt:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    "<");
jaroslav@4:                     break;
jaroslav@151:                 case opc_if_icmple:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    "<=");
jaroslav@4:                     break;
jaroslav@151:                 case opc_if_icmpgt:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    ">");
jaroslav@4:                     break;
jaroslav@151:                 case opc_if_icmpge:
lubomir@307:                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281:                                    ">=");
jaroslav@4:                     break;
jaroslav@151:                 case opc_goto: {
jaroslav@5:                     int indx = i + readIntArg(byteCodes, i);
lubomir@283:                     emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5:                     i += 2;
jaroslav@5:                     break;
jaroslav@5:                 }
jaroslav@151:                 case opc_lookupswitch: {
jtulach@128:                     int table = i / 4 * 4 + 4;
jaroslav@115:                     int dflt = i + readInt4(byteCodes, table);
jaroslav@115:                     table += 4;
jaroslav@115:                     int n = readInt4(byteCodes, table);
jaroslav@115:                     table += 4;
lubomir@307:                     out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115:                     while (n-- > 0) {
jaroslav@115:                         int cnstnt = readInt4(byteCodes, table);
jaroslav@115:                         table += 4;
jaroslav@115:                         int offset = i + readInt4(byteCodes, table);
jaroslav@115:                         table += 4;
jaroslav@115:                         out.append("  case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115:                     }
jaroslav@115:                     out.append("  default: gt = " + dflt).append("; continue;\n}");
jaroslav@115:                     i = table - 1;
jaroslav@115:                     break;
jaroslav@115:                 }
jaroslav@151:                 case opc_tableswitch: {
jtulach@128:                     int table = i / 4 * 4 + 4;
jaroslav@115:                     int dflt = i + readInt4(byteCodes, table);
jaroslav@115:                     table += 4;
jaroslav@115:                     int low = readInt4(byteCodes, table);
jaroslav@115:                     table += 4;
jaroslav@115:                     int high = readInt4(byteCodes, table);
jaroslav@115:                     table += 4;
lubomir@307:                     out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115:                     while (low <= high) {
jaroslav@115:                         int offset = i + readInt4(byteCodes, table);
jaroslav@115:                         table += 4;
jaroslav@115:                         out.append("  case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115:                         low++;
jaroslav@115:                     }
jaroslav@115:                     out.append("  default: gt = " + dflt).append("; continue;\n}");
jaroslav@115:                     i = table - 1;
jaroslav@115:                     break;
jaroslav@115:                 }
jaroslav@151:                 case opc_invokeinterface: {
lubomir@307:                     i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46:                     break;
jaroslav@46:                 }
jaroslav@151:                 case opc_invokevirtual:
lubomir@307:                     i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12:                     break;
jaroslav@151:                 case opc_invokespecial:
lubomir@307:                     i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4:                     break;
jaroslav@151:                 case opc_invokestatic:
lubomir@307:                     i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10:                     break;
jaroslav@151:                 case opc_new: {
jaroslav@8:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     String ci = jc.getClassName(indx);
lubomir@283:                     emit(out, "@1 = new @2;",
lubomir@317:                          smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151:                     addReference(ci);
jaroslav@8:                     i += 2;
jaroslav@8:                     break;
jaroslav@8:                 }
lubomir@283:                 case opc_newarray:
jaroslav@448:                     int atype = readByte(byteCodes, ++i);
jaroslav@448:                     String jvmType;
jaroslav@448:                     switch (atype) {
jaroslav@448:                         case 4: jvmType = "[Z"; break;
jaroslav@448:                         case 5: jvmType = "[C"; break;
jaroslav@448:                         case 6: jvmType = "[F"; break;
jaroslav@448:                         case 7: jvmType = "[D"; break;
jaroslav@448:                         case 8: jvmType = "[B"; break;
jaroslav@448:                         case 9: jvmType = "[S"; break;
jaroslav@448:                         case 10: jvmType = "[I"; break;
jaroslav@448:                         case 11: jvmType = "[J"; break;
jaroslav@448:                         default: throw new IllegalStateException("Array type: " + atype);
jaroslav@448:                     }
jaroslav@448:                     emit(out, "@2 = new Array(@1).fillNulls().arrtype('@3');",
jaroslav@448:                          smapper.popI(), smapper.pushA(), jvmType);
jaroslav@21:                     break;
jaroslav@448:                 case opc_anewarray: {
jaroslav@448:                     int type = readIntArg(byteCodes, i);
jaroslav@448:                     i += 2;
jaroslav@448:                     String typeName = jc.getClassName(type);
jaroslav@448:                     if (typeName.startsWith("[")) {
jaroslav@448:                         typeName = "[" + typeName;
jaroslav@448:                     } else {
jaroslav@448:                         typeName = "[L" + typeName + ";";
jaroslav@448:                     }
jaroslav@448:                     emit(out, "@2 = new Array(@1).fillNulls().arrtype('@3');",
jaroslav@448:                          smapper.popI(), smapper.pushA(), typeName);
jaroslav@21:                     break;
jaroslav@448:                 }
jaroslav@151:                 case opc_multianewarray: {
jaroslav@448:                     int type = readIntArg(byteCodes, i);
jtulach@128:                     i += 2;
jaroslav@448:                     String typeName = jc.getClassName(type);
jtulach@128:                     int dim = readByte(byteCodes, ++i);
lubomir@307:                     out.append("{ var a0 = new Array(").append(smapper.popI())
jaroslav@448:                        .append(").fillNulls().arrtype('").append(typeName).append("');");
jtulach@128:                     for (int d = 1; d < dim; d++) {
jaroslav@453:                         typeName = typeName.substring(1);
lubomir@221:                         out.append("\n  var l" + d).append(" = ")
lubomir@307:                            .append(smapper.popI()).append(';');
jtulach@128:                         out.append("\n  for (var i" + d).append (" = 0; i" + d).
jtulach@128:                             append(" < a" + (d - 1)).
jtulach@128:                             append(".length; i" + d).append("++) {");
jtulach@128:                         out.append("\n    var a" + d).
jaroslav@453:                             append (" = new Array(l" + d).append(").fillNulls().arrtype('")
jaroslav@453:                             .append(typeName).append("');");
jtulach@128:                         out.append("\n    a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128:                             append(";");
jtulach@128:                     }
jtulach@128:                     for (int d = 1; d < dim; d++) {
jtulach@128:                         out.append("\n  }");
jtulach@128:                     }
lubomir@307:                     out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128:                     break;
jtulach@128:                 }
jaroslav@151:                 case opc_arraylength:
lubomir@307:                     emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272:                     break;
lubomir@283:                 case opc_lastore:
lubomir@283:                     emit(out, "@3[@2] = @1;",
lubomir@307:                          smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281:                     break;
lubomir@283:                 case opc_fastore:
lubomir@283:                     emit(out, "@3[@2] = @1;",
lubomir@307:                          smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281:                     break;
lubomir@283:                 case opc_dastore:
lubomir@283:                     emit(out, "@3[@2] = @1;",
lubomir@307:                          smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281:                     break;
lubomir@283:                 case opc_aastore:
lubomir@283:                     emit(out, "@3[@2] = @1;",
lubomir@307:                          smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21:                     break;
jaroslav@151:                 case opc_iastore:
jaroslav@151:                 case opc_bastore:
jaroslav@151:                 case opc_castore:
lubomir@283:                 case opc_sastore:
lubomir@283:                     emit(out, "@3[@2] = @1;",
lubomir@307:                          smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240:                     break;
lubomir@283:                 case opc_laload:
lubomir@283:                     emit(out, "@3 = @2[@1];",
lubomir@307:                          smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281:                     break;
lubomir@283:                 case opc_faload:
lubomir@283:                     emit(out, "@3 = @2[@1];",
lubomir@307:                          smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281:                     break;
lubomir@283:                 case opc_daload:
lubomir@283:                     emit(out, "@3 = @2[@1];",
lubomir@307:                          smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281:                     break;
lubomir@283:                 case opc_aaload:
lubomir@283:                     emit(out, "@3 = @2[@1];",
lubomir@307:                          smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272:                     break;
jaroslav@272:                 case opc_iaload:
jaroslav@272:                 case opc_baload:
jaroslav@272:                 case opc_caload:
lubomir@283:                 case opc_saload:
lubomir@283:                     emit(out, "@3 = @2[@1];",
lubomir@307:                          smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272:                     break;
lubomir@221:                 case opc_pop:
jaroslav@272:                 case opc_pop2:
lubomir@307:                     smapper.pop(1);
jaroslav@399:                     debug("/* pop */");
jaroslav@272:                     break;
lubomir@281:                 case opc_dup: {
lubomir@307:                     final Variable v = smapper.get(0);
lubomir@307:                     emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21:                     break;
jaroslav@21:                 }
lubomir@281:                 case opc_dup2: {
lubomir@307:                     if (smapper.get(0).isCategory2()) {
lubomir@307:                         final Variable v = smapper.get(0);
lubomir@307:                         emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281:                     } else {
lubomir@307:                         final Variable v1 = smapper.get(0);
lubomir@307:                         final Variable v2 = smapper.get(1);
lubomir@283:                         emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307:                              smapper.pushT(v2.getType()), v2,
lubomir@307:                              smapper.pushT(v1.getType()), v1);
lubomir@281:                     }
jaroslav@21:                     break;
jaroslav@21:                 }
lubomir@281:                 case opc_dup_x1: {
lubomir@307:                     final Variable vi1 = smapper.pop();
lubomir@307:                     final Variable vi2 = smapper.pop();
lubomir@307:                     final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307:                     final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307:                     final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281: 
lubomir@283:                     emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283:                          vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93:                     break;
lubomir@281:                 }
lubomir@281:                 case opc_dup_x2: {
lubomir@307:                     if (smapper.get(1).isCategory2()) {
lubomir@307:                         final Variable vi1 = smapper.pop();
lubomir@307:                         final Variable vi2 = smapper.pop();
lubomir@307:                         final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307:                         final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307:                         final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281: 
lubomir@283:                         emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283:                              vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281:                     } else {
lubomir@307:                         final Variable vi1 = smapper.pop();
lubomir@307:                         final Variable vi2 = smapper.pop();
lubomir@307:                         final Variable vi3 = smapper.pop();
lubomir@307:                         final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307:                         final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307:                         final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307:                         final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281: 
lubomir@283:                         emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283:                              vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281:                     }
jaroslav@8:                     break;
lubomir@281:                 }
jaroslav@151:                 case opc_bipush:
lubomir@283:                     emit(out, "@1 = @2;",
lubomir@307:                          smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8:                     break;
jaroslav@151:                 case opc_sipush:
lubomir@283:                     emit(out, "@1 = @2;",
lubomir@307:                          smapper.pushI(),
lubomir@283:                          Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31:                     i += 2;
jaroslav@31:                     break;
jaroslav@151:                 case opc_getfield: {
jaroslav@8:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     String[] fi = jc.getFieldInfoName(indx);
lubomir@307:                     final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283:                     emit(out, "@2 = @1.fld_@3;",
lubomir@307:                          smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8:                     i += 2;
jaroslav@8:                     break;
jaroslav@8:                 }
jaroslav@151:                 case opc_getstatic: {
jaroslav@9:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     String[] fi = jc.getFieldInfoName(indx);
lubomir@307:                     final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358:                     emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317:                          smapper.pushT(type),
lubomir@317:                          accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9:                     i += 2;
jaroslav@151:                     addReference(fi[0]);
jaroslav@9:                     break;
jaroslav@9:                 }
jaroslav@151:                 case opc_putfield: {
jaroslav@10:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     String[] fi = jc.getFieldInfoName(indx);
lubomir@307:                     final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283:                     emit(out, "@2.fld_@3 = @1;",
lubomir@307:                          smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10:                     i += 2;
jaroslav@10:                     break;
jaroslav@10:                 }
lubomir@281:                 case opc_putstatic: {
lubomir@281:                     int indx = readIntArg(byteCodes, i);
lubomir@281:                     String[] fi = jc.getFieldInfoName(indx);
lubomir@307:                     final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358:                     emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317:                          accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317:                          smapper.popT(type));
lubomir@281:                     i += 2;
lubomir@281:                     addReference(fi[0]);
lubomir@281:                     break;
lubomir@281:                 }
jaroslav@151:                 case opc_checkcast: {
jaroslav@30:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     final String type = jc.getClassName(indx);
jaroslav@42:                     if (!type.startsWith("[")) {
jaroslav@42:                         // no way to check arrays right now
lubomir@283:                         // XXX proper exception
lubomir@317:                         emit(out,
lubomir@317:                              "if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307:                              smapper.getA(0), type.replace('/', '_'));
jaroslav@42:                     }
jaroslav@30:                     i += 2;
jaroslav@30:                     break;
jaroslav@30:                 }
jaroslav@151:                 case opc_instanceof: {
jaroslav@17:                     int indx = readIntArg(byteCodes, i);
jaroslav@151:                     final String type = jc.getClassName(indx);
lubomir@283:                     emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317:                          smapper.popA(), smapper.pushI(),
lubomir@317:                          type.replace('/', '_'));
jaroslav@17:                     i += 2;
jaroslav@30:                     break;
jaroslav@17:                 }
jaroslav@151:                 case opc_athrow: {
lubomir@307:                     final Variable v = smapper.popA();
lubomir@307:                     smapper.clear();
lubomir@281: 
lubomir@283:                     emit(out, "{ @1 = @2; throw @2; }",
lubomir@307:                          smapper.pushA(), v);
jaroslav@104:                     break;
jaroslav@104:                 }
lubomir@221: 
lubomir@221:                 case opc_monitorenter: {
lubomir@221:                     out.append("/* monitor enter */");
lubomir@307:                     smapper.popA();
lubomir@221:                     break;
lubomir@221:                 }
lubomir@221: 
lubomir@221:                 case opc_monitorexit: {
lubomir@221:                     out.append("/* monitor exit */");
lubomir@307:                     smapper.popA();
lubomir@221:                     break;
lubomir@221:                 }
lubomir@221: 
jaroslav@104:                 default: {
lubomir@283:                     emit(out, "throw 'unknown bytecode @1';",
lubomir@283:                          Integer.toString(c));
jaroslav@104:                 }
jaroslav@0:             }
jaroslav@399:             if (debug(" //")) {
jaroslav@399:                 for (int j = prev; j <= i; j++) {
jaroslav@399:                     out.append(" ");
jaroslav@399:                     final int cc = readByte(byteCodes, j);
jaroslav@399:                     out.append(Integer.toString(cc));
tzezula@285:                 }
jaroslav@0:             }
tzezula@285:             out.append("\n");            
jaroslav@0:         }
jaroslav@398:         if (previousTrap != null) {
jaroslav@398:             generateCatch(previousTrap);
jaroslav@398:         }
jaroslav@10:         out.append("  }\n");
lubomir@307:         out.append("};");
jaroslav@4:     }
jaroslav@4: 
lubomir@281:     private int generateIf(byte[] byteCodes, int i,
lubomir@281:                            final Variable v2, final Variable v1,
lubomir@281:                            final String test) throws IOException {
jaroslav@4:         int indx = i + readIntArg(byteCodes, i);
lubomir@281:         out.append("if (").append(v1)
lubomir@221:            .append(' ').append(test).append(' ')
lubomir@281:            .append(v2).append(") { gt = " + indx)
lubomir@221:            .append("; continue; }");
jaroslav@4:         return i + 2;
jaroslav@4:     }
jaroslav@4: 
jaroslav@4:     private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5:         final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5:         final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5:         return (indxHi & 0xffffff00) | (indxLo & 0xff);
jaroslav@4:     }
jaroslav@115:     private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115:         final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115:         final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115:         final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115:         final int a = byteCodes[offsetInstruction + 3];
jaroslav@115:         return (d & 0xff000000) | (c & 0xff0000) | (b & 0xff00) | (a & 0xff);
jaroslav@115:     }
jtulach@128:     private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221:         return byteCodes[offsetInstruction] & 0xff;
jtulach@128:     }
jaroslav@4:     
lubomir@281:     private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4:         int i = 0;
jaroslav@4:         Boolean count = null;
jaroslav@32:         boolean array = false;
jaroslav@248:         sig.append("__");
jaroslav@10:         int firstPos = sig.length();
jaroslav@4:         while (i < descriptor.length()) {
jaroslav@4:             char ch = descriptor.charAt(i++);
jaroslav@4:             switch (ch) {
jaroslav@4:                 case '(':
jaroslav@4:                     count = true;
jaroslav@4:                     continue;
jaroslav@4:                 case ')':
jaroslav@4:                     count = false;
jaroslav@4:                     continue;
jaroslav@4:                 case 'B': 
jaroslav@4:                 case 'C': 
jaroslav@4:                 case 'D': 
jaroslav@4:                 case 'F': 
jaroslav@4:                 case 'I': 
jaroslav@4:                 case 'J': 
jaroslav@4:                 case 'S': 
jaroslav@4:                 case 'Z': 
jaroslav@4:                     if (count) {
jaroslav@32:                         if (array) {
jaroslav@248:                             sig.append("_3");
jaroslav@32:                         }
jaroslav@4:                         sig.append(ch);
jtulach@156:                         if (ch == 'J' || ch == 'D') {
jtulach@156:                             cnt.append('1');
jtulach@156:                         } else {
jtulach@156:                             cnt.append('0');
jtulach@156:                         }
jaroslav@4:                     } else {
jaroslav@10:                         sig.insert(firstPos, ch);
jaroslav@32:                         if (array) {
lubomir@281:                             returnType[0] = '[';
jaroslav@248:                             sig.insert(firstPos, "_3");
lubomir@281:                         } else {
lubomir@281:                             returnType[0] = ch;
jaroslav@32:                         }
jaroslav@4:                     }
jaroslav@93:                     array = false;
jaroslav@4:                     continue;
jaroslav@4:                 case 'V': 
jaroslav@4:                     assert !count;
lubomir@281:                     returnType[0] = 'V';
jaroslav@10:                     sig.insert(firstPos, 'V');
jaroslav@4:                     continue;
jaroslav@4:                 case 'L':
jaroslav@16:                     int next = descriptor.indexOf(';', i);
jaroslav@248:                     String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4:                     if (count) {
jaroslav@32:                         if (array) {
jaroslav@248:                             sig.append("_3");
jaroslav@32:                         }
jaroslav@248:                         sig.append(realSig);
jtulach@156:                         cnt.append('0');
jaroslav@4:                     } else {
jaroslav@248:                         sig.insert(firstPos, realSig);
jaroslav@32:                         if (array) {
jaroslav@248:                             sig.insert(firstPos, "_3");
jaroslav@32:                         }
lubomir@281:                         returnType[0] = 'L';
jaroslav@4:                     }
jaroslav@16:                     i = next + 1;
lubomir@407:                     array = false;
jaroslav@4:                     continue;
jaroslav@4:                 case '[':
jaroslav@248:                     array = true;
jaroslav@4:                     continue;
jaroslav@4:                 default:
jaroslav@248:                     throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4:             }
jaroslav@4:         }
jaroslav@0:     }
jaroslav@248:     
jaroslav@248:     private static String mangleSig(String txt, int first, int last) {
jaroslav@248:         StringBuilder sb = new StringBuilder();
jaroslav@248:         for (int i = first; i < last; i++) {
jaroslav@248:             final char ch = txt.charAt(i);
jaroslav@248:             switch (ch) {
jaroslav@248:                 case '/': sb.append('_'); break;
jaroslav@248:                 case '_': sb.append("_1"); break;
jaroslav@248:                 case ';': sb.append("_2"); break;
jaroslav@248:                 case '[': sb.append("_3"); break;
jaroslav@248:                 default: sb.append(ch); break;
jaroslav@248:             }
jaroslav@248:         }
jaroslav@248:         return sb.toString();
jaroslav@248:     }
jaroslav@9: 
jaroslav@248:     private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42:         StringBuilder name = new StringBuilder();
jaroslav@10:         if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42:             name.append("cons"); // NOI18N
jaroslav@19:         } else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42:             name.append("class"); // NOI18N
jaroslav@10:         } else {
jaroslav@42:             name.append(m.getName());
jaroslav@10:         } 
jaroslav@42:         
lubomir@282:         countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42:         return name.toString();
jaroslav@10:     }
jaroslav@10: 
lubomir@282:     static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10:         StringBuilder name = new StringBuilder();
jaroslav@151:         String descr = mi[2];//mi.getDescriptor();
jaroslav@151:         String nm= mi[1];
jaroslav@151:         if ("<init>".equals(nm)) { // NOI18N
jaroslav@10:             name.append("cons"); // NOI18N
jaroslav@10:         } else {
jaroslav@151:             name.append(nm);
jaroslav@10:         }
lubomir@282:         countArgs(descr, returnType, name, cnt);
jaroslav@10:         return name.toString();
jaroslav@10:     }
jaroslav@10: 
lubomir@307:     private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10:     throws IOException {
jaroslav@10:         int methodIndex = readIntArg(byteCodes, i);
jaroslav@151:         String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281:         char[] returnType = { 'V' };
jtulach@156:         StringBuilder cnt = new StringBuilder();
lubomir@281:         String mn = findMethodName(mi, cnt, returnType);
lubomir@221: 
lubomir@221:         final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281:         final Variable[] vars = new Variable[numArguments];
lubomir@221: 
lubomir@281:         for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281:             vars[j] = mapper.pop();
jaroslav@11:         }
lubomir@281: 
lubomir@281:         if (returnType[0] != 'V') {
lubomir@307:             out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281:                .append(" = ");
jaroslav@10:         }
lubomir@221: 
jaroslav@151:         final String in = mi[0];
jaroslav@274:         out.append(accessClass(in.replace('/', '_')));
jaroslav@224:         out.append("(false).");
jaroslav@397:         if (mn.startsWith("cons_")) {
jaroslav@397:             out.append("constructor.");
jaroslav@397:         }
jaroslav@10:         out.append(mn);
jaroslav@442:         if (isStatic) {
jaroslav@442:             out.append('(');
jaroslav@442:         } else {
jaroslav@442:             out.append(".call(");
jaroslav@442:         }
lubomir@221:         if (numArguments > 0) {
lubomir@281:             out.append(vars[0]);
lubomir@281:             for (int j = 1; j < numArguments; ++j) {
lubomir@221:                 out.append(", ");
lubomir@281:                 out.append(vars[j]);
lubomir@221:             }
jaroslav@10:         }
lubomir@221:         out.append(");");
jaroslav@10:         i += 2;
jaroslav@18:         addReference(in);
jaroslav@10:         return i;
jaroslav@10:     }
lubomir@307:     private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12:     throws IOException {
jaroslav@12:         int methodIndex = readIntArg(byteCodes, i);
jaroslav@151:         String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281:         char[] returnType = { 'V' };
jtulach@156:         StringBuilder cnt = new StringBuilder();
lubomir@281:         String mn = findMethodName(mi, cnt, returnType);
lubomir@221: 
lubomir@281:         final int numArguments = cnt.length() + 1;
lubomir@281:         final Variable[] vars = new Variable[numArguments];
lubomir@221: 
lubomir@281:         for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281:             vars[j] = mapper.pop();
jaroslav@12:         }
lubomir@221: 
lubomir@281:         if (returnType[0] != 'V') {
lubomir@307:             out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281:                .append(" = ");
jaroslav@12:         }
lubomir@281: 
lubomir@281:         out.append(vars[0]).append('.');
jaroslav@12:         out.append(mn);
jaroslav@12:         out.append('(');
jaroslav@442:         String sep = "";
lubomir@281:         for (int j = 1; j < numArguments; ++j) {
jaroslav@442:             out.append(sep);
lubomir@281:             out.append(vars[j]);
jaroslav@442:             sep = ", ";
jaroslav@12:         }
lubomir@221:         out.append(");");
jaroslav@12:         i += 2;
jaroslav@12:         return i;
jaroslav@12:     }
lubomir@221: 
jaroslav@103:     private void addReference(String cn) throws IOException {
jtulach@162:         if (requireReference(cn)) {
jaroslav@399:             debug(" /* needs " + cn + " */");
jaroslav@18:         }
jaroslav@18:     }
jaroslav@16: 
jaroslav@33:     private void outType(String d, StringBuilder out) {
jaroslav@33:         int arr = 0;
jaroslav@33:         while (d.charAt(0) == '[') {
jaroslav@33:             out.append('A');
jaroslav@33:             d = d.substring(1);
jaroslav@33:         }
jaroslav@16:         if (d.charAt(0) == 'L') {
jaroslav@16:             assert d.charAt(d.length() - 1) == ';';
jaroslav@16:             out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16:         } else {
jaroslav@16:             out.append(d);
jaroslav@16:         }
jaroslav@16:     }
jaroslav@21: 
jaroslav@230:     private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230:         String[] classRef = { null };
jaroslav@230:         String s = jc.stringValue(entryIndex, classRef);
jaroslav@230:         if (classRef[0] != null) {
jaroslav@230:             addReference(classRef[0]);
jaroslav@274:             s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230:         }
jaroslav@151:         return s;
jaroslav@21:     }
jaroslav@32: 
jaroslav@266:     private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152:         byte[] arr = m.findAnnotationData(true);
jaroslav@152:         if (arr == null) {
jaroslav@266:             return null;
jaroslav@152:         }
jaroslav@200:         final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152:         class P extends AnnotationParser {
jaroslav@237:             public P() {
jaroslav@237:                 super(false);
jaroslav@237:             }
jaroslav@237:             
jaroslav@152:             int cnt;
jaroslav@152:             String[] args = new String[30];
jaroslav@152:             String body;
jaroslav@94:             
jaroslav@152:             @Override
jaroslav@236:             protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152:                 if (type.equals(jvmType)) {
jaroslav@152:                     if ("body".equals(attr)) {
jaroslav@152:                         body = value;
jaroslav@152:                     } else if ("args".equals(attr)) {
jaroslav@152:                         args[cnt++] = value;
jaroslav@152:                     } else {
jaroslav@152:                         throw new IllegalArgumentException(attr);
jaroslav@152:                     }
jaroslav@152:                 }
jaroslav@94:             }
jaroslav@94:         }
jaroslav@152:         P p = new P();
jaroslav@152:         p.parse(arr, jc);
jaroslav@152:         if (p.body == null) {
jaroslav@266:             return null;
jaroslav@152:         }
jtulach@156:         StringBuilder cnt = new StringBuilder();
jaroslav@266:         final String mn = findMethodName(m, cnt);
jaroslav@266:         out.append(prefix).append(mn);
jaroslav@203:         out.append(" = function(");
jaroslav@442:         String space = "";
jaroslav@443:         int index = 0;
jtulach@156:         for (int i = 0; i < cnt.length(); i++) {
jaroslav@152:             out.append(space);
jaroslav@316:             space = outputArg(out, p.args, index);
jaroslav@152:             index++;
jaroslav@152:         }
jaroslav@152:         out.append(") {").append("\n");
jaroslav@152:         out.append(p.body);
jaroslav@152:         out.append("\n}\n");
jaroslav@266:         return mn;
jaroslav@151:     }
jaroslav@151:     private static String className(ClassData jc) {
jaroslav@151:         //return jc.getName().getInternalName().replace('/', '_');
jaroslav@151:         return jc.getClassName().replace('/', '_');
jaroslav@94:     }
jaroslav@152:     
jaroslav@152:     private static String[] findAnnotation(
jaroslav@152:         byte[] arr, ClassData cd, final String className, 
jaroslav@152:         final String... attrNames
jaroslav@152:     ) throws IOException {
jaroslav@152:         if (arr == null) {
jaroslav@152:             return null;
jaroslav@152:         }
jaroslav@152:         final String[] values = new String[attrNames.length];
jaroslav@152:         final boolean[] found = { false };
jaroslav@152:         final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237:         AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152:             @Override
jaroslav@236:             protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152:                 if (type.equals(jvmType)) {
jaroslav@152:                     found[0] = true;
jaroslav@152:                     for (int i = 0; i < attrNames.length; i++) {
jaroslav@152:                         if (attrNames[i].equals(attr)) {
jaroslav@152:                             values[i] = value;
jaroslav@152:                         }
jaroslav@152:                     }
jaroslav@152:                 }
jaroslav@152:             }
jaroslav@152:             
jaroslav@152:         };
jaroslav@152:         ap.parse(arr, cd);
jaroslav@152:         return found[0] ? values : null;
jaroslav@152:     }
jaroslav@173: 
jaroslav@173:     private CharSequence initField(FieldData v) {
jaroslav@173:         final String is = v.getInternalSig();
jaroslav@173:         if (is.length() == 1) {
jaroslav@173:             switch (is.charAt(0)) {
jaroslav@173:                 case 'S':
jaroslav@173:                 case 'J':
jaroslav@173:                 case 'B':
jaroslav@173:                 case 'Z':
jaroslav@173:                 case 'C':
jaroslav@173:                 case 'I': return " = 0;";
jaroslav@173:                 case 'F': 
jaroslav@180:                 case 'D': return " = 0.0;";
jaroslav@173:                 default:
jaroslav@173:                     throw new IllegalStateException(is);
jaroslav@173:             }
jaroslav@173:         }
jaroslav@173:         return " = null;";
jaroslav@173:     }
jaroslav@235: 
jaroslav@235:     private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237:         AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237:             int anno;
jaroslav@235:             int cnt;
jaroslav@235:             
jaroslav@235:             @Override
jaroslav@235:             protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237:                 if (anno++ > 0) {
jaroslav@237:                     out.append(",");
jaroslav@237:                 }
jaroslav@235:                 out.append('"').append(type).append("\" : {\n");
jaroslav@235:                 cnt = 0;
jaroslav@235:             }
jaroslav@235: 
jaroslav@235:             @Override
jaroslav@235:             protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235:                 out.append("\n}\n");
jaroslav@235:             }
jaroslav@235:             
jaroslav@235:             @Override
jaroslav@236:             protected void visitAttr(String type, String attr, String attrType, String value) 
jaroslav@235:             throws IOException {
jaroslav@266:                 if (attr == null) {
jaroslav@266:                     return;
jaroslav@266:                 }
jaroslav@235:                 if (cnt++ > 0) {
jaroslav@235:                     out.append(",\n");
jaroslav@235:                 }
jaroslav@250:                 out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235:             }
jaroslav@235:         };
jaroslav@235:         ap.parse(data, cd);
jaroslav@235:     }
jaroslav@316: 
jaroslav@316:     private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316:         final String name = args[indx];
jaroslav@316:         if (name == null) {
jaroslav@316:             return "";
jaroslav@316:         }
jaroslav@316:         if (name.contains(",")) {
jaroslav@316:             throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316:         }
jaroslav@316:         out.append(name);
jaroslav@316:         return ",";
jaroslav@316:     }
lubomir@317: 
lubomir@283:     private static void emit(final Appendable out,
lubomir@283:                              final String format,
lubomir@283:                              final CharSequence... params) throws IOException {
lubomir@283:         final int length = format.length();
lubomir@283: 
lubomir@283:         int processed = 0;
lubomir@283:         int paramOffset = format.indexOf('@');
lubomir@283:         while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283:             final char paramChar = format.charAt(paramOffset + 1);
lubomir@283:             if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283:                 final int paramIndex = paramChar - '0' - 1;
lubomir@283: 
lubomir@283:                 out.append(format, processed, paramOffset);
lubomir@283:                 out.append(params[paramIndex]);
lubomir@283: 
lubomir@283:                 ++paramOffset;
lubomir@283:                 processed = paramOffset + 1;
lubomir@283:             }
lubomir@283: 
lubomir@283:             paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283:         }
lubomir@283: 
lubomir@283:         out.append(format, processed, length);
lubomir@283:     }
jaroslav@398: 
jaroslav@398:     private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400:         out.append("} catch (e) {\n");
jaroslav@401:         int finallyPC = -1;
jaroslav@398:         for (TrapData e : traps) {
jaroslav@398:             if (e == null) {
jaroslav@398:                 break;
jaroslav@398:             }
jaroslav@398:             if (e.catch_cpx != 0) { //not finally
jaroslav@398:                 final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398:                 addReference(classInternalName);
jaroslav@423:                 if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423:                     out.append("if (e.$instOf_java_lang_Throwable) {");
jaroslav@423:                     out.append("  stA0 = e;");
jaroslav@423:                     out.append("} else {");
jaroslav@423:                     out.append("  stA0 = vm.java_lang_Throwable(true);");
jaroslav@442:                     out.append("  vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423:                     out.append("}");
jaroslav@423:                     out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423:                 } else {
jaroslav@423:                     out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@423:                     out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@423:                     out.append("}\n");
jaroslav@423:                 }
jaroslav@398:             } else {
jaroslav@401:                 finallyPC = e.handler_pc;
jaroslav@398:             }
jaroslav@398:         }
jaroslav@401:         if (finallyPC == -1) {
jaroslav@401:             out.append("throw e;");
jaroslav@401:         } else {
jaroslav@401:             out.append("gt=" + finallyPC + "; stA0 = e; continue;");
jaroslav@401:         }
jaroslav@400:         out.append("\n}");
jaroslav@398:     }
jaroslav@0: }