hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@ee595aae8353

     1 /**

     2  * Back 2 Browser Bytecode Translator

     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, version 2 of the License.

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program. Look for COPYING file in the top folder.

    16  * If not, see http://opensource.org/licenses/GPL-2.0.

    17  */

    18 package org.apidesign.vm4brwsr;

    20 import java.io.IOException;

    21 import java.io.InputStream;

    22 import org.apidesign.bck2brwsr.core.JavaScriptBody;

    23 import org.apidesign.javap.AnnotationParser;

    24 import org.apidesign.javap.ClassData;

    25 import org.apidesign.javap.FieldData;

    26 import org.apidesign.javap.MethodData;

    27 import org.apidesign.javap.StackMapIterator;

    28 import static org.apidesign.javap.RuntimeConstants.*;

    29 import org.apidesign.javap.TrapData;

    30 import org.apidesign.javap.TrapDataIterator;

    32 /** Translator of the code inside class files to JavaScript.

    33  *

    34  * @author Jaroslav Tulach <jtulach@netbeans.org>

    35  */

    36 abstract class ByteCodeToJavaScript {

    37     private ClassData jc;

    38     final Appendable out;

    40     protected ByteCodeToJavaScript(Appendable out) {

    41         this.out = out;

    42     }

    44     /* Collects additional required resources.

    45      *

    46      * @param internalClassName classes that were referenced and should be loaded in order the

    47      *   generated JavaScript code works properly. The names are in internal

    48      *   JVM form so String is <code>java/lang/String</code>.

    49      */

    50     protected abstract boolean requireReference(String internalClassName);

    52     /*

    53      * @param resourcePath name of resources to read

    54      */

    55     protected abstract void requireScript(String resourcePath) throws IOException;

    57     /** Allows subclasses to redefine what field a function representing a

    58      * class gets assigned. By default it returns the suggested name followed

    59      * by <code>" = "</code>;

    60      *

    61      * @param className suggested name of the class

    62      */

    63     /* protected */ String assignClass(String className) {

    64         return className + " = ";

    65     }

    66     /* protected */ String accessClass(String classOperation) {

    67         return classOperation;

    68     }

    70     /** Prints out a debug message.

    71      *

    72      * @param msg the message

    73      * @return true if the message has been printed

    74      * @throws IOException

    75      */

    76     boolean debug(String msg) throws IOException {

    77         out.append(msg);

    78         return true;

    79     }

    81     /**

    82      * Converts a given class file to a JavaScript version.

    83      *

    84      * @param classFile input stream with code of the .class file

    85      * @return the initialization code for this class, if any. Otherwise <code>null</code>

    86      *

    87      * @throws IOException if something goes wrong during read or write or translating

    88      */

    90     public String compile(InputStream classFile) throws IOException {

    91         this.jc = new ClassData(classFile);

    92         if (jc.getMajor_version() < 50) {

    93             throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."

    94                 + jc.getMinor_version() + " - recompile with -target 1.6 (at least)."

    95             );

    96         }

    97         byte[] arrData = jc.findAnnotationData(true);

    98         String[] arr = findAnnotation(arrData, jc,

    99             "org.apidesign.bck2brwsr.core.ExtraJavaScript",

   100             "resource", "processByteCode"

   101         );

   102         if (arr != null) {

   103             requireScript(arr[0]);

   104             if ("0".equals(arr[1])) {

   105                 return null;

   106             }

   107         }

   108         String[] proto = findAnnotation(arrData, jc,

   109             "org.apidesign.bck2brwsr.core.JavaScriptPrototype",

   110             "container", "prototype"

   111         );

   112         StringArray toInitilize = new StringArray();

   113         final String className = className(jc);

   114         out.append("\n\n").append(assignClass(className));

   115         out.append("function CLS() {");

   116         out.append("\n  if (!CLS.prototype.$instOf_").append(className).append(") {");

   117         if (proto == null) {

   118             String sc = jc.getSuperClassName(); // with _

   119             out.append("\n    var pp = ").

   120                 append(accessClass(sc.replace('/', '_'))).append("(true);");

   121             out.append("\n    var p = CLS.prototype = pp;");

   122             out.append("\n    var c = p;");

   123             out.append("\n    var sprcls = pp.constructor.$class;");

   124         } else {

   125             out.append("\n    var p = CLS.prototype = ").append(proto[1]).append(";");

   126             if (proto[0] == null) {

   127                 proto[0] = "p";

   128             }

   129             out.append("\n    var c = ").append(proto[0]).append(";");

   130             out.append("\n    var sprcls = null;");

   131         }

   132         for (FieldData v : jc.getFields()) {

   133             if (v.isStatic()) {

   134                 out.append("\n  CLS.").append(v.getName()).append(initField(v));

   135             } else {

   136                 out.append("\n  c._").append(v.getName()).append(" = function (v) {")

   137                    .append("  if (arguments.length == 1) this.fld_").

   138                     append(className).append('_').append(v.getName())

   139                    .append(" = v; return this.fld_").

   140                     append(className).append('_').append(v.getName())

   141                    .append("; };");

   142             }

   143         }

   144         for (MethodData m : jc.getMethods()) {

   145             byte[] onlyArr = m.findAnnotationData(true);

   146             String[] only = findAnnotation(onlyArr, jc,

   147                 "org.apidesign.bck2brwsr.core.JavaScriptOnly",

   148                 "name", "value"

   149             );

   150             if (only != null) {

   151                 if (only[0] != null && only[1] != null) {

   152                     out.append("\n    p.").append(only[0]).append(" = ")

   153                         .append(only[1]).append(";");

   154                 }

   155                 continue;

   156             }

   157             String prefix;

   158             String mn;

   159             if (m.isStatic()) {

   160                 prefix = "\n    c.";

   161                 mn = generateStaticMethod(prefix, m, toInitilize);

   162             } else {

   163                 if (m.isConstructor()) {

   164                     prefix = "\n    CLS.";

   165                     mn = generateInstanceMethod(prefix, m);

   166                 } else {

   167                     prefix = "\n    c.";

   168                     mn = generateInstanceMethod(prefix, m);

   169                 }

   170             }

   171             byte[] runAnno = m.findAnnotationData(false);

   172             if (runAnno != null) {

   173                 out.append(prefix).append(mn).append(".anno = {");

   174                 generateAnno(jc, out, runAnno);

   175                 out.append("\n    };");

   176             }

   177             out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");

   178         }

   179         out.append("\n    c.constructor = CLS;");

   180         out.append("\n    c.$instOf_").append(className).append(" = true;");

   181         for (String superInterface : jc.getSuperInterfaces()) {

   182             out.append("\n    c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");

   183         }

   184         out.append("\n    CLS.$class = ");

   185         out.append(accessClass("java_lang_Class(true);"));

   186         out.append("\n    CLS.$class.jvmName = '").append(jc.getClassName()).append("';");

   187         out.append("\n    CLS.$class.superclass = sprcls;");

   188         out.append("\n    CLS.$class.access = ").append(jc.getAccessFlags()+";");

   189         out.append("\n    CLS.$class.cnstr = CLS;");

   190         byte[] classAnno = jc.findAnnotationData(false);

   191         if (classAnno != null) {

   192             out.append("\n    CLS.$class.anno = {");

   193             generateAnno(jc, out, classAnno);

   194             out.append("\n    };");

   195         }

   196         out.append("\n  }");

   197         out.append("\n  if (arguments.length === 0) {");

   198         out.append("\n    if (!(this instanceof CLS)) {");

   199         out.append("\n      return new CLS();");

   200         out.append("\n    }");

   201         for (FieldData v : jc.getFields()) {

   202             byte[] onlyArr = v.findAnnotationData(true);

   203             String[] only = findAnnotation(onlyArr, jc,

   204                 "org.apidesign.bck2brwsr.core.JavaScriptOnly",

   205                 "name", "value"

   206             );

   207             if (only != null) {

   208                 if (only[0] != null && only[1] != null) {

   209                     out.append("\n    p.").append(only[0]).append(" = ")

   210                         .append(only[1]).append(";");

   211                 }

   212                 continue;

   213             }

   214             if (!v.isStatic()) {

   215                 out.append("\n    this.fld_").

   216                     append(className).append('_').

   217                     append(v.getName()).append(initField(v));

   218             }

   219         }

   220         out.append("\n    return this;");

   221         out.append("\n  }");

   222         out.append("\n  return arguments[0] ? new CLS() : CLS.prototype;");

   223         out.append("\n};");

   224         StringBuilder sb = new StringBuilder();

   225         for (String init : toInitilize.toArray()) {

   226             sb.append("\n").append(init).append("();");

   227         }

   228         return sb.toString();

   229     }

   230     private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {

   231         String jsb = javaScriptBody(prefix, m, true);

   232         if (jsb != null) {

   233             return jsb;

   234         }

   235         final String mn = findMethodName(m, new StringBuilder());

   236         if (mn.equals("class__V")) {

   237             toInitilize.add(accessClass(className(jc)) + "(false)." + mn);

   238         }

   239         generateMethod(prefix, mn, m);

   240         return mn;

   241     }

   243     private String generateInstanceMethod(String prefix, MethodData m) throws IOException {

   244         String jsb = javaScriptBody(prefix, m, false);

   245         if (jsb != null) {

   246             return jsb;

   247         }

   248         final String mn = findMethodName(m, new StringBuilder());

   249         generateMethod(prefix, mn, m);

   250         return mn;

   251     }

   253     private void generateMethod(String prefix, String name, MethodData m)

   254             throws IOException {

   255         final StackMapIterator stackMapIterator = m.createStackMapIterator();

   256         TrapDataIterator trap = m.getTrapDataIterator();

   257         final LocalsMapper lmapper =

   258                 new LocalsMapper(stackMapIterator.getArguments());

   260         out.append(prefix).append(name).append(" = function(");

   261         lmapper.outputArguments(out, m.isStatic());

   262         out.append(") {").append("\n");

   264         final byte[] byteCodes = m.getCode();

   265         if (byteCodes == null) {

   266             out.append("  throw 'no code found for ")

   267                .append(jc.getClassName()).append('.')

   268                .append(m.getName()).append("';\n");

   269             out.append("};");

   270             return;

   271         }

   273         final StackMapper smapper = new StackMapper();

   275         if (!m.isStatic()) {

   276             out.append("  var ").append(" lcA0 = this;\n");

   277         }

   279         int lastStackFrame = -1;

   280         TrapData[] previousTrap = null;

   281         boolean wide = false;

   283         out.append("\n  var gt = 0;\n  for(;;) switch(gt) {\n");

   284         for (int i = 0; i < byteCodes.length; i++) {

   285             int prev = i;

   286             stackMapIterator.advanceTo(i);

   287             boolean changeInCatch = trap.advanceTo(i);

   288             if (changeInCatch || lastStackFrame != stackMapIterator.getFrameIndex()) {

   289                 if (previousTrap != null) {

   290                     generateCatch(previousTrap);

   291                     previousTrap = null;

   292                 }

   293             }

   294             if (lastStackFrame != stackMapIterator.getFrameIndex()) {

   295                 lastStackFrame = stackMapIterator.getFrameIndex();

   296                 lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());

   297                 smapper.syncWithFrameStack(stackMapIterator.getFrameStack());

   298                 out.append("    case " + i).append(": ");

   299                 changeInCatch = true;

   300             } else {

   301                 debug("    /* " + i + " */ ");

   302             }

   303             if (changeInCatch && trap.useTry()) {

   304                 out.append("try {");

   305                 previousTrap = trap.current();

   306             }

   307             final int c = readUByte(byteCodes, i);

   308             switch (c) {

   309                 case opc_aload_0:

   310                     emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));

   311                     break;

   312                 case opc_iload_0:

   313                     emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));

   314                     break;

   315                 case opc_lload_0:

   316                     emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));

   317                     break;

   318                 case opc_fload_0:

   319                     emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));

   320                     break;

   321                 case opc_dload_0:

   322                     emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));

   323                     break;

   324                 case opc_aload_1:

   325                     emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));

   326                     break;

   327                 case opc_iload_1:

   328                     emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));

   329                     break;

   330                 case opc_lload_1:

   331                     emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));

   332                     break;

   333                 case opc_fload_1:

   334                     emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));

   335                     break;

   336                 case opc_dload_1:

   337                     emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));

   338                     break;

   339                 case opc_aload_2:

   340                     emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));

   341                     break;

   342                 case opc_iload_2:

   343                     emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));

   344                     break;

   345                 case opc_lload_2:

   346                     emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));

   347                     break;

   348                 case opc_fload_2:

   349                     emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));

   350                     break;

   351                 case opc_dload_2:

   352                     emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));

   353                     break;

   354                 case opc_aload_3:

   355                     emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));

   356                     break;

   357                 case opc_iload_3:

   358                     emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));

   359                     break;

   360                 case opc_lload_3:

   361                     emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));

   362                     break;

   363                 case opc_fload_3:

   364                     emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));

   365                     break;

   366                 case opc_dload_3:

   367                     emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));

   368                     break;

   369                 case opc_iload: {

   370                     ++i;

   371                     final int indx = wide ? readUShort(byteCodes, i++)

   372                                           : readUByte(byteCodes, i);

   373                     wide = false;

   374                     emit(out, "var @1 = @2;",

   375                          smapper.pushI(), lmapper.getI(indx));

   376                     break;

   377                 }

   378                 case opc_lload: {

   379                     ++i;

   380                     final int indx = wide ? readUShort(byteCodes, i++)

   381                                           : readUByte(byteCodes, i);

   382                     wide = false;

   383                     emit(out, "var @1 = @2;",

   384                          smapper.pushL(), lmapper.getL(indx));

   385                     break;

   386                 }

   387                 case opc_fload: {

   388                     ++i;

   389                     final int indx = wide ? readUShort(byteCodes, i++)

   390                                           : readUByte(byteCodes, i);

   391                     wide = false;

   392                     emit(out, "var @1 = @2;",

   393                          smapper.pushF(), lmapper.getF(indx));

   394                     break;

   395                 }

   396                 case opc_dload: {

   397                     ++i;

   398                     final int indx = wide ? readUShort(byteCodes, i++)

   399                                           : readUByte(byteCodes, i);

   400                     wide = false;

   401                     emit(out, "var @1 = @2;",

   402                          smapper.pushD(), lmapper.getD(indx));

   403                     break;

   404                 }

   405                 case opc_aload: {

   406                     ++i;

   407                     final int indx = wide ? readUShort(byteCodes, i++)

   408                                           : readUByte(byteCodes, i);

   409                     wide = false;

   410                     emit(out, "var @1 = @2;",

   411                          smapper.pushA(), lmapper.getA(indx));

   412                     break;

   413                 }

   414                 case opc_istore: {

   415                     ++i;

   416                     final int indx = wide ? readUShort(byteCodes, i++)

   417                                           : readUByte(byteCodes, i);

   418                     wide = false;

   419                     emit(out, "var @1 = @2;",

   420                          lmapper.setI(indx), smapper.popI());

   421                     break;

   422                 }

   423                 case opc_lstore: {

   424                     ++i;

   425                     final int indx = wide ? readUShort(byteCodes, i++)

   426                                           : readUByte(byteCodes, i);

   427                     wide = false;

   428                     emit(out, "var @1 = @2;",

   429                          lmapper.setL(indx), smapper.popL());

   430                     break;

   431                 }

   432                 case opc_fstore: {

   433                     ++i;

   434                     final int indx = wide ? readUShort(byteCodes, i++)

   435                                           : readUByte(byteCodes, i);

   436                     wide = false;

   437                     emit(out, "var @1 = @2;",

   438                          lmapper.setF(indx), smapper.popF());

   439                     break;

   440                 }

   441                 case opc_dstore: {

   442                     ++i;

   443                     final int indx = wide ? readUShort(byteCodes, i++)

   444                                           : readUByte(byteCodes, i);

   445                     wide = false;

   446                     emit(out, "var @1 = @2;",

   447                          lmapper.setD(indx), smapper.popD());

   448                     break;

   449                 }

   450                 case opc_astore: {

   451                     ++i;

   452                     final int indx = wide ? readUShort(byteCodes, i++)

   453                                           : readUByte(byteCodes, i);

   454                     wide = false;

   455                     emit(out, "var @1 = @2;",

   456                          lmapper.setA(indx), smapper.popA());

   457                     break;

   458                 }

   459                 case opc_astore_0:

   460                     emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());

   461                     break;

   462                 case opc_istore_0:

   463                     emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());

   464                     break;

   465                 case opc_lstore_0:

   466                     emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());

   467                     break;

   468                 case opc_fstore_0:

   469                     emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());

   470                     break;

   471                 case opc_dstore_0:

   472                     emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());

   473                     break;

   474                 case opc_astore_1:

   475                     emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());

   476                     break;

   477                 case opc_istore_1:

   478                     emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());

   479                     break;

   480                 case opc_lstore_1:

   481                     emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());

   482                     break;

   483                 case opc_fstore_1:

   484                     emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());

   485                     break;

   486                 case opc_dstore_1:

   487                     emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());

   488                     break;

   489                 case opc_astore_2:

   490                     emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());

   491                     break;

   492                 case opc_istore_2:

   493                     emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());

   494                     break;

   495                 case opc_lstore_2:

   496                     emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());

   497                     break;

   498                 case opc_fstore_2:

   499                     emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());

   500                     break;

   501                 case opc_dstore_2:

   502                     emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());

   503                     break;

   504                 case opc_astore_3:

   505                     emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());

   506                     break;

   507                 case opc_istore_3:

   508                     emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());

   509                     break;

   510                 case opc_lstore_3:

   511                     emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());

   512                     break;

   513                 case opc_fstore_3:

   514                     emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());

   515                     break;

   516                 case opc_dstore_3:

   517                     emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());

   518                     break;

   519                 case opc_iadd:

   520                     emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());

   521                     break;

   522                 case opc_ladd:

   523                     emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());

   524                     break;

   525                 case opc_fadd:

   526                     emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());

   527                     break;

   528                 case opc_dadd:

   529                     emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());

   530                     break;

   531                 case opc_isub:

   532                     emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());

   533                     break;

   534                 case opc_lsub:

   535                     emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());

   536                     break;

   537                 case opc_fsub:

   538                     emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());

   539                     break;

   540                 case opc_dsub:

   541                     emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());

   542                     break;

   543                 case opc_imul:

   544                     emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());

   545                     break;

   546                 case opc_lmul:

   547                     emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());

   548                     break;

   549                 case opc_fmul:

   550                     emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());

   551                     break;

   552                 case opc_dmul:

   553                     emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());

   554                     break;

   555                 case opc_idiv:

   556                     emit(out, "@1 = Math.floor(@1 / @2);",

   557                          smapper.getI(1), smapper.popI());

   558                     break;

   559                 case opc_ldiv:

   560                     emit(out, "@1 = @1.div64(@2);",

   561                          smapper.getL(1), smapper.popL());

   562                     break;

   563                 case opc_fdiv:

   564                     emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());

   565                     break;

   566                 case opc_ddiv:

   567                     emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());

   568                     break;

   569                 case opc_irem:

   570                     emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());

   571                     break;

   572                 case opc_lrem:

   573                     emit(out, "@1 = @1.mod64(@2);",

   574                          smapper.getL(1), smapper.popL());

   575                     break;

   576                 case opc_frem:

   577                     emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());

   578                     break;

   579                 case opc_drem:

   580                     emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());

   581                     break;

   582                 case opc_iand:

   583                     emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());

   584                     break;

   585                 case opc_land:

   586                     emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());

   587                     break;

   588                 case opc_ior:

   589                     emit(out, "@1 |= @2;", smapper.getI(1), smapper.popI());

   590                     break;

   591                 case opc_lor:

   592                     emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());

   593                     break;

   594                 case opc_ixor:

   595                     emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());

   596                     break;

   597                 case opc_lxor:

   598                     emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());

   599                     break;

   600                 case opc_ineg:

   601                     emit(out, "@1 = -@1;", smapper.getI(0));

   602                     break;

   603                 case opc_lneg:

   604                     emit(out, "@1 = @1.neg64();", smapper.getL(0));

   605                     break;

   606                 case opc_fneg:

   607                     emit(out, "@1 = -@1;", smapper.getF(0));

   608                     break;

   609                 case opc_dneg:

   610                     emit(out, "@1 = -@1;", smapper.getD(0));

   611                     break;

   612                 case opc_ishl:

   613                     emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());

   614                     break;

   615                 case opc_lshl:

   616                     emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());

   617                     break;

   618                 case opc_ishr:

   619                     emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());

   620                     break;

   621                 case opc_lshr:

   622                     emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());

   623                     break;

   624                 case opc_iushr:

   625                     emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());

   626                     break;

   627                 case opc_lushr:

   628                     emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());

   629                     break;

   630                 case opc_iinc: {

   631                     ++i;

   632                     final int varIndx = wide ? readUShort(byteCodes, i++)

   633                                              : readUByte(byteCodes, i);

   634                     ++i;

   635                     final int incrBy = wide ? readIntArg(byteCodes, i++)

   636                                             : byteCodes[i];

   637                     wide = false;

   638                     if (incrBy == 1) {

   639                         emit(out, "@1++;", lmapper.getI(varIndx));

   640                     } else {

   641                         emit(out, "@1 += @2;",

   642                              lmapper.getI(varIndx),

   643                              Integer.toString(incrBy));

   644                     }

   645                     break;

   646                 }

   647                 case opc_return:

   648                     emit(out, "return;");

   649                     break;

   650                 case opc_ireturn:

   651                     emit(out, "return @1;", smapper.popI());

   652                     break;

   653                 case opc_lreturn:

   654                     emit(out, "return @1;", smapper.popL());

   655                     break;

   656                 case opc_freturn:

   657                     emit(out, "return @1;", smapper.popF());

   658                     break;

   659                 case opc_dreturn:

   660                     emit(out, "return @1;", smapper.popD());

   661                     break;

   662                 case opc_areturn:

   663                     emit(out, "return @1;", smapper.popA());

   664                     break;

   665                 case opc_i2l:

   666                     emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());

   667                     break;

   668                 case opc_i2f:

   669                     emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());

   670                     break;

   671                 case opc_i2d:

   672                     emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());

   673                     break;

   674                 case opc_l2i:

   675                     emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());

   676                     break;

   677                     // max int check?

   678                 case opc_l2f:

   679                     emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());

   680                     break;

   681                 case opc_l2d:

   682                     emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());

   683                     break;

   684                 case opc_f2d:

   685                     emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());

   686                     break;

   687                 case opc_d2f:

   688                     emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());

   689                     break;

   690                 case opc_f2i:

   691                     emit(out, "var @2 = Math.floor(@1);",

   692                          smapper.popF(), smapper.pushI());

   693                     break;

   694                 case opc_f2l:

   695                     emit(out, "var @2 = Math.floor(@1).toLong();",

   696                          smapper.popF(), smapper.pushL());

   697                     break;

   698                 case opc_d2i:

   699                     emit(out, "var @2 = Math.floor(@1);",

   700                          smapper.popD(), smapper.pushI());

   701                     break;

   702                 case opc_d2l:

   703                     emit(out, "var @2 = Math.floor(@1).toLong();",

   704                          smapper.popD(), smapper.pushL());

   705                     break;

   706                 case opc_i2b:

   707                     emit(out, "var @1 = @1.toInt8();", smapper.getI(0));

   708                     break;

   709                 case opc_i2c:

   710                     out.append("{ /* number conversion */ }");

   711                     break;

   712                 case opc_i2s:

   713                     emit(out, "var @1 = @1.toInt16();", smapper.getI(0));

   714                     break;

   715                 case opc_aconst_null:

   716                     emit(out, "var @1 = null;", smapper.pushA());

   717                     break;

   718                 case opc_iconst_m1:

   719                     emit(out, "var @1 = -1;", smapper.pushI());

   720                     break;

   721                 case opc_iconst_0:

   722                     emit(out, "var @1 = 0;", smapper.pushI());

   723                     break;

   724                 case opc_dconst_0:

   725                     emit(out, "var @1 = 0;", smapper.pushD());

   726                     break;

   727                 case opc_lconst_0:

   728                     emit(out, "var @1 = 0;", smapper.pushL());

   729                     break;

   730                 case opc_fconst_0:

   731                     emit(out, "var @1 = 0;", smapper.pushF());

   732                     break;

   733                 case opc_iconst_1:

   734                     emit(out, "var @1 = 1;", smapper.pushI());

   735                     break;

   736                 case opc_lconst_1:

   737                     emit(out, "var @1 = 1;", smapper.pushL());

   738                     break;

   739                 case opc_fconst_1:

   740                     emit(out, "var @1 = 1;", smapper.pushF());

   741                     break;

   742                 case opc_dconst_1:

   743                     emit(out, "var @1 = 1;", smapper.pushD());

   744                     break;

   745                 case opc_iconst_2:

   746                     emit(out, "var @1 = 2;", smapper.pushI());

   747                     break;

   748                 case opc_fconst_2:

   749                     emit(out, "var @1 = 2;", smapper.pushF());

   750                     break;

   751                 case opc_iconst_3:

   752                     emit(out, "var @1 = 3;", smapper.pushI());

   753                     break;

   754                 case opc_iconst_4:

   755                     emit(out, "var @1 = 4;", smapper.pushI());

   756                     break;

   757                 case opc_iconst_5:

   758                     emit(out, "var @1 = 5;", smapper.pushI());

   759                     break;

   760                 case opc_ldc: {

   761                     int indx = readUByte(byteCodes, ++i);

   762                     String v = encodeConstant(indx);

   763                     int type = VarType.fromConstantType(jc.getTag(indx));

   764                     emit(out, "var @1 = @2;", smapper.pushT(type), v);

   765                     break;

   766                 }

   767                 case opc_ldc_w:

   768                 case opc_ldc2_w: {

   769                     int indx = readIntArg(byteCodes, i);

   770                     i += 2;

   771                     String v = encodeConstant(indx);

   772                     int type = VarType.fromConstantType(jc.getTag(indx));

   773                     if (type == VarType.LONG) {

   774                         final Long lv = new Long(v);

   775                         final int low = (int)(lv.longValue() & 0xFFFFFFFF);

   776                         final int hi = (int)(lv.longValue() >> 32);

   777                         emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),

   778                                 Integer.toHexString(low), Integer.toHexString(hi));

   779                     } else {

   780                         emit(out, "var @1 = @2;", smapper.pushT(type), v);

   781                     }

   782                     break;

   783                 }

   784                 case opc_lcmp:

   785                     emit(out, "var @3 = @2.compare64(@1);",

   786                          smapper.popL(), smapper.popL(), smapper.pushI());

   787                     break;

   788                 case opc_fcmpl:

   789                 case opc_fcmpg:

   790                     emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",

   791                          smapper.popF(), smapper.popF(), smapper.pushI());

   792                     break;

   793                 case opc_dcmpl:

   794                 case opc_dcmpg:

   795                     emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",

   796                          smapper.popD(), smapper.popD(), smapper.pushI());

   797                     break;

   798                 case opc_if_acmpeq:

   799                     i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),

   800                                    "===");

   801                     break;

   802                 case opc_if_acmpne:

   803                     i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),

   804                                    "!=");

   805                     break;

   806                 case opc_if_icmpeq:

   807                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   808                                    "==");

   809                     break;

   810                 case opc_ifeq: {

   811                     int indx = i + readIntArg(byteCodes, i);

   812                     emit(out, "if (@1 == 0) { gt = @2; continue; }",

   813                          smapper.popI(), Integer.toString(indx));

   814                     i += 2;

   815                     break;

   816                 }

   817                 case opc_ifne: {

   818                     int indx = i + readIntArg(byteCodes, i);

   819                     emit(out, "if (@1 != 0) { gt = @2; continue; }",

   820                          smapper.popI(), Integer.toString(indx));

   821                     i += 2;

   822                     break;

   823                 }

   824                 case opc_iflt: {

   825                     int indx = i + readIntArg(byteCodes, i);

   826                     emit(out, "if (@1 < 0) { gt = @2; continue; }",

   827                          smapper.popI(), Integer.toString(indx));

   828                     i += 2;

   829                     break;

   830                 }

   831                 case opc_ifle: {

   832                     int indx = i + readIntArg(byteCodes, i);

   833                     emit(out, "if (@1 <= 0) { gt = @2; continue; }",

   834                          smapper.popI(), Integer.toString(indx));

   835                     i += 2;

   836                     break;

   837                 }

   838                 case opc_ifgt: {

   839                     int indx = i + readIntArg(byteCodes, i);

   840                     emit(out, "if (@1 > 0) { gt = @2; continue; }",

   841                          smapper.popI(), Integer.toString(indx));

   842                     i += 2;

   843                     break;

   844                 }

   845                 case opc_ifge: {

   846                     int indx = i + readIntArg(byteCodes, i);

   847                     emit(out, "if (@1 >= 0) { gt = @2; continue; }",

   848                          smapper.popI(), Integer.toString(indx));

   849                     i += 2;

   850                     break;

   851                 }

   852                 case opc_ifnonnull: {

   853                     int indx = i + readIntArg(byteCodes, i);

   854                     emit(out, "if (@1 !== null) { gt = @2; continue; }",

   855                          smapper.popA(), Integer.toString(indx));

   856                     i += 2;

   857                     break;

   858                 }

   859                 case opc_ifnull: {

   860                     int indx = i + readIntArg(byteCodes, i);

   861                     emit(out, "if (@1 === null) { gt = @2; continue; }",

   862                          smapper.popA(), Integer.toString(indx));

   863                     i += 2;

   864                     break;

   865                 }

   866                 case opc_if_icmpne:

   867                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   868                                    "!=");

   869                     break;

   870                 case opc_if_icmplt:

   871                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   872                                    "<");

   873                     break;

   874                 case opc_if_icmple:

   875                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   876                                    "<=");

   877                     break;

   878                 case opc_if_icmpgt:

   879                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   880                                    ">");

   881                     break;

   882                 case opc_if_icmpge:

   883                     i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),

   884                                    ">=");

   885                     break;

   886                 case opc_goto: {

   887                     int indx = i + readIntArg(byteCodes, i);

   888                     emit(out, "gt = @1; continue;", Integer.toString(indx));

   889                     i += 2;

   890                     break;

   891                 }

   892                 case opc_lookupswitch: {

   893                     int table = i / 4 * 4 + 4;

   894                     int dflt = i + readInt4(byteCodes, table);

   895                     table += 4;

   896                     int n = readInt4(byteCodes, table);

   897                     table += 4;

   898                     out.append("switch (").append(smapper.popI()).append(") {\n");

   899                     while (n-- > 0) {

   900                         int cnstnt = readInt4(byteCodes, table);

   901                         table += 4;

   902                         int offset = i + readInt4(byteCodes, table);

   903                         table += 4;

   904                         out.append("  case " + cnstnt).append(": gt = " + offset).append("; continue;\n");

   905                     }

   906                     out.append("  default: gt = " + dflt).append("; continue;\n}");

   907                     i = table - 1;

   908                     break;

   909                 }

   910                 case opc_tableswitch: {

   911                     int table = i / 4 * 4 + 4;

   912                     int dflt = i + readInt4(byteCodes, table);

   913                     table += 4;

   914                     int low = readInt4(byteCodes, table);

   915                     table += 4;

   916                     int high = readInt4(byteCodes, table);

   917                     table += 4;

   918                     out.append("switch (").append(smapper.popI()).append(") {\n");

   919                     while (low <= high) {

   920                         int offset = i + readInt4(byteCodes, table);

   921                         table += 4;

   922                         out.append("  case " + low).append(": gt = " + offset).append("; continue;\n");

   923                         low++;

   924                     }

   925                     out.append("  default: gt = " + dflt).append("; continue;\n}");

   926                     i = table - 1;

   927                     break;

   928                 }

   929                 case opc_invokeinterface: {

   930                     i = invokeVirtualMethod(byteCodes, i, smapper) + 2;

   931                     break;

   932                 }

   933                 case opc_invokevirtual:

   934                     i = invokeVirtualMethod(byteCodes, i, smapper);

   935                     break;

   936                 case opc_invokespecial:

   937                     i = invokeStaticMethod(byteCodes, i, smapper, false);

   938                     break;

   939                 case opc_invokestatic:

   940                     i = invokeStaticMethod(byteCodes, i, smapper, true);

   941                     break;

   942                 case opc_new: {

   943                     int indx = readIntArg(byteCodes, i);

   944                     String ci = jc.getClassName(indx);

   945                     emit(out, "var @1 = new @2;",

   946                          smapper.pushA(), accessClass(ci.replace('/', '_')));

   947                     addReference(ci);

   948                     i += 2;

   949                     break;

   950                 }

   951                 case opc_newarray:

   952                     int atype = readUByte(byteCodes, ++i);

   953                     String jvmType;

   954                     switch (atype) {

   955                         case 4: jvmType = "[Z"; break;

   956                         case 5: jvmType = "[C"; break;

   957                         case 6: jvmType = "[F"; break;

   958                         case 7: jvmType = "[D"; break;

   959                         case 8: jvmType = "[B"; break;

   960                         case 9: jvmType = "[S"; break;

   961                         case 10: jvmType = "[I"; break;

   962                         case 11: jvmType = "[J"; break;

   963                         default: throw new IllegalStateException("Array type: " + atype);

   964                     }

   965                     emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",

   966                          smapper.popI(), smapper.pushA(), jvmType);

   967                     break;

   968                 case opc_anewarray: {

   969                     int type = readIntArg(byteCodes, i);

   970                     i += 2;

   971                     String typeName = jc.getClassName(type);

   972                     if (typeName.startsWith("[")) {

   973                         typeName = "[" + typeName;

   974                     } else {

   975                         typeName = "[L" + typeName + ";";

   976                     }

   977                     emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",

   978                          smapper.popI(), smapper.pushA(), typeName);

   979                     break;

   980                 }

   981                 case opc_multianewarray: {

   982                     int type = readIntArg(byteCodes, i);

   983                     i += 2;

   984                     String typeName = jc.getClassName(type);

   985                     int dim = readUByte(byteCodes, ++i);

   986                     StringBuilder dims = new StringBuilder();

   987                     dims.append('[');

   988                     for (int d = 0; d < dim; d++) {

   989                         if (d != 0) {

   990                             dims.append(",");

   991                         }

   992                         dims.append(smapper.popI());

   993                     }

   994                     dims.append(']');

   995                     emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",

   996                          dims.toString(), smapper.pushA(), typeName);

   997                     break;

   998                 }

   999                 case opc_arraylength:

  1000                     emit(out, "var @2 = @1.length;",

  1001                          smapper.popA(), smapper.pushI());

  1002                     break;

  1003                 case opc_lastore:

  1004                     emit(out, "@3.at(@2, @1);",

  1005                          smapper.popL(), smapper.popI(), smapper.popA());

  1006                     break;

  1007                 case opc_fastore:

  1008                     emit(out, "@3.at(@2, @1);",

  1009                          smapper.popF(), smapper.popI(), smapper.popA());

  1010                     break;

  1011                 case opc_dastore:

  1012                     emit(out, "@3.at(@2, @1);",

  1013                          smapper.popD(), smapper.popI(), smapper.popA());

  1014                     break;

  1015                 case opc_aastore:

  1016                     emit(out, "@3.at(@2, @1);",

  1017                          smapper.popA(), smapper.popI(), smapper.popA());

  1018                     break;

  1019                 case opc_iastore:

  1020                 case opc_bastore:

  1021                 case opc_castore:

  1022                 case opc_sastore:

  1023                     emit(out, "@3.at(@2, @1);",

  1024                          smapper.popI(), smapper.popI(), smapper.popA());

  1025                     break;

  1026                 case opc_laload:

  1027                     emit(out, "var @3 = @2.at(@1);",

  1028                          smapper.popI(), smapper.popA(), smapper.pushL());

  1029                     break;

  1030                 case opc_faload:

  1031                     emit(out, "var @3 = @2.at(@1);",

  1032                          smapper.popI(), smapper.popA(), smapper.pushF());

  1033                     break;

  1034                 case opc_daload:

  1035                     emit(out, "var @3 = @2.at(@1);",

  1036                          smapper.popI(), smapper.popA(), smapper.pushD());

  1037                     break;

  1038                 case opc_aaload:

  1039                     emit(out, "var @3 = @2.at(@1);",

  1040                          smapper.popI(), smapper.popA(), smapper.pushA());

  1041                     break;

  1042                 case opc_iaload:

  1043                 case opc_baload:

  1044                 case opc_caload:

  1045                 case opc_saload:

  1046                     emit(out, "var @3 = @2.at(@1);",

  1047                          smapper.popI(), smapper.popA(), smapper.pushI());

  1048                     break;

  1049                 case opc_pop:

  1050                 case opc_pop2:

  1051                     smapper.pop(1);

  1052                     debug("/* pop */");

  1053                     break;

  1054                 case opc_dup: {

  1055                     final Variable v = smapper.get(0);

  1056                     emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);

  1057                     break;

  1058                 }

  1059                 case opc_dup2: {

  1060                     final Variable vi1 = smapper.get(0);

  1062                     if (vi1.isCategory2()) {

  1063                         emit(out, "var @1 = @2;",

  1064                              smapper.pushT(vi1.getType()), vi1);

  1065                     } else {

  1066                         final Variable vi2 = smapper.get(1);

  1067                         emit(out, "var @1 = @2, @3 = @4;",

  1068                              smapper.pushT(vi2.getType()), vi2,

  1069                              smapper.pushT(vi1.getType()), vi1);

  1070                     }

  1071                     break;

  1072                 }

  1073                 case opc_dup_x1: {

  1074                     final Variable vi1 = smapper.pop();

  1075                     final Variable vi2 = smapper.pop();

  1076                     final Variable vo3 = smapper.pushT(vi1.getType());

  1077                     final Variable vo2 = smapper.pushT(vi2.getType());

  1078                     final Variable vo1 = smapper.pushT(vi1.getType());

  1080                     emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1081                          vo1, vi1, vo2, vi2, vo3, vo1);

  1082                     break;

  1083                 }

  1084                 case opc_dup2_x1: {

  1085                     final Variable vi1 = smapper.pop();

  1086                     final Variable vi2 = smapper.pop();

  1088                     if (vi1.isCategory2()) {

  1089                         final Variable vo3 = smapper.pushT(vi1.getType());

  1090                         final Variable vo2 = smapper.pushT(vi2.getType());

  1091                         final Variable vo1 = smapper.pushT(vi1.getType());

  1093                         emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1094                              vo1, vi1, vo2, vi2, vo3, vo1);

  1095                     } else {

  1096                         final Variable vi3 = smapper.pop();

  1097                         final Variable vo5 = smapper.pushT(vi2.getType());

  1098                         final Variable vo4 = smapper.pushT(vi1.getType());

  1099                         final Variable vo3 = smapper.pushT(vi3.getType());

  1100                         final Variable vo2 = smapper.pushT(vi2.getType());

  1101                         final Variable vo1 = smapper.pushT(vi1.getType());

  1103                         emit(out, "var @1 = @2, @3 = @4, @5 = @6,",

  1104                              vo1, vi1, vo2, vi2, vo3, vi3);

  1105                         emit(out, " @1 = @2, @3 = @4;",

  1106                              vo4, vo1, vo5, vo2);

  1107                     }

  1108                     break;

  1109                 }

  1110                 case opc_dup_x2: {

  1111                     final Variable vi1 = smapper.pop();

  1112                     final Variable vi2 = smapper.pop();

  1114                     if (vi2.isCategory2()) {

  1115                         final Variable vo3 = smapper.pushT(vi1.getType());

  1116                         final Variable vo2 = smapper.pushT(vi2.getType());

  1117                         final Variable vo1 = smapper.pushT(vi1.getType());

  1119                         emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1120                              vo1, vi1, vo2, vi2, vo3, vo1);

  1121                     } else {

  1122                         final Variable vi3 = smapper.pop();

  1123                         final Variable vo4 = smapper.pushT(vi1.getType());

  1124                         final Variable vo3 = smapper.pushT(vi3.getType());

  1125                         final Variable vo2 = smapper.pushT(vi2.getType());

  1126                         final Variable vo1 = smapper.pushT(vi1.getType());

  1128                         emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",

  1129                              vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);

  1130                     }

  1131                     break;

  1132                 }

  1133                 case opc_dup2_x2: {

  1134                     final Variable vi1 = smapper.pop();

  1135                     final Variable vi2 = smapper.pop();

  1137                     if (vi1.isCategory2()) {

  1138                         if (vi2.isCategory2()) {

  1139                             final Variable vo3 = smapper.pushT(vi1.getType());

  1140                             final Variable vo2 = smapper.pushT(vi2.getType());

  1141                             final Variable vo1 = smapper.pushT(vi1.getType());

  1143                             emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1144                                  vo1, vi1, vo2, vi2, vo3, vo1);

  1145                         } else {

  1146                             final Variable vi3 = smapper.pop();

  1147                             final Variable vo4 = smapper.pushT(vi1.getType());

  1148                             final Variable vo3 = smapper.pushT(vi3.getType());

  1149                             final Variable vo2 = smapper.pushT(vi2.getType());

  1150                             final Variable vo1 = smapper.pushT(vi1.getType());

  1152                             emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",

  1153                                  vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);

  1154                         }

  1155                     } else {

  1156                         final Variable vi3 = smapper.pop();

  1158                         if (vi3.isCategory2()) {

  1159                             final Variable vo5 = smapper.pushT(vi2.getType());

  1160                             final Variable vo4 = smapper.pushT(vi1.getType());

  1161                             final Variable vo3 = smapper.pushT(vi3.getType());

  1162                             final Variable vo2 = smapper.pushT(vi2.getType());

  1163                             final Variable vo1 = smapper.pushT(vi1.getType());

  1165                             emit(out, "var @1 = @2, @3 = @4, @5 = @6,",

  1166                                  vo1, vi1, vo2, vi2, vo3, vi3);

  1167                             emit(out, " @1 = @2, @3 = @4;",

  1168                                  vo4, vo1, vo5, vo2);

  1169                         } else {

  1170                             final Variable vi4 = smapper.pop();

  1171                             final Variable vo6 = smapper.pushT(vi2.getType());

  1172                             final Variable vo5 = smapper.pushT(vi1.getType());

  1173                             final Variable vo4 = smapper.pushT(vi4.getType());

  1174                             final Variable vo3 = smapper.pushT(vi3.getType());

  1175                             final Variable vo2 = smapper.pushT(vi2.getType());

  1176                             final Variable vo1 = smapper.pushT(vi1.getType());

  1178                             emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",

  1179                                  vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);

  1180                             emit(out, " @1 = @2, @3 = @4;",

  1181                                  vo5, vo1, vo6, vo2);

  1182                         }

  1183                     }

  1184                     break;

  1185                 }

  1186                 case opc_swap: {

  1187                     final Variable vi1 = smapper.get(0);

  1188                     final Variable vi2 = smapper.get(1);

  1190                     if (vi1.getType() == vi2.getType()) {

  1191                         final Variable tmp = smapper.pushT(vi1.getType());

  1193                         emit(out, "var @1 = @2, @2 = @3, @3 = @1;",

  1194                              tmp, vi1, vi2);

  1195                         smapper.pop(1);

  1196                     } else {

  1197                         smapper.pop(2);

  1198                         smapper.pushT(vi1.getType());

  1199                         smapper.pushT(vi2.getType());

  1200                     }

  1201                     break;

  1202                 }

  1203                 case opc_bipush:

  1204                     emit(out, "var @1 = @2;",

  1205                          smapper.pushI(), Integer.toString(byteCodes[++i]));

  1206                     break;

  1207                 case opc_sipush:

  1208                     emit(out, "var @1 = @2;",

  1209                          smapper.pushI(),

  1210                          Integer.toString(readIntArg(byteCodes, i)));

  1211                     i += 2;

  1212                     break;

  1213                 case opc_getfield: {

  1214                     int indx = readIntArg(byteCodes, i);

  1215                     String[] fi = jc.getFieldInfoName(indx);

  1216                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1217                     final String mangleClass = mangleSig(fi[0]);

  1218                     final String mangleClassAccess = accessClass(mangleClass);

  1219                     emit(out, "var @2 = @4(false)._@3.call(@1);",

  1220                          smapper.popA(),

  1221                          smapper.pushT(type), fi[1], mangleClassAccess

  1222                     );

  1223                     i += 2;

  1224                     break;

  1225                 }

  1226                 case opc_putfield: {

  1227                     int indx = readIntArg(byteCodes, i);

  1228                     String[] fi = jc.getFieldInfoName(indx);

  1229                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1230                     final String mangleClass = mangleSig(fi[0]);

  1231                     final String mangleClassAccess = accessClass(mangleClass);

  1232                     emit(out, "@4(false)._@3.call(@2, @1);",

  1233                          smapper.popT(type),

  1234                          smapper.popA(), fi[1],

  1235                          mangleClassAccess

  1236                     );

  1237                     i += 2;

  1238                     break;

  1239                 }

  1240                 case opc_getstatic: {

  1241                     int indx = readIntArg(byteCodes, i);

  1242                     String[] fi = jc.getFieldInfoName(indx);

  1243                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1244                     emit(out, "var @1 = @2(false).constructor.@3;",

  1245                          smapper.pushT(type),

  1246                          accessClass(fi[0].replace('/', '_')), fi[1]);

  1247                     i += 2;

  1248                     addReference(fi[0]);

  1249                     break;

  1250                 }

  1251                 case opc_putstatic: {

  1252                     int indx = readIntArg(byteCodes, i);

  1253                     String[] fi = jc.getFieldInfoName(indx);

  1254                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1255                     emit(out, "@1(false).constructor.@2 = @3;",

  1256                          accessClass(fi[0].replace('/', '_')), fi[1],

  1257                          smapper.popT(type));

  1258                     i += 2;

  1259                     addReference(fi[0]);

  1260                     break;

  1261                 }

  1262                 case opc_checkcast: {

  1263                     int indx = readIntArg(byteCodes, i);

  1264                     final String type = jc.getClassName(indx);

  1265                     if (!type.startsWith("[")) {

  1266                         emit(out,

  1267                              "if (@1 !== null && !@1.$instOf_@2) throw {};",

  1268                              smapper.getA(0), type.replace('/', '_'));

  1269                     } else {

  1270                         emit(out, "vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@2').cast__Ljava_lang_Object_2Ljava_lang_Object_2(@1);",

  1271                              smapper.getA(0), type

  1272                         );

  1273                     }

  1274                     i += 2;

  1275                     break;

  1276                 }

  1277                 case opc_instanceof: {

  1278                     int indx = readIntArg(byteCodes, i);

  1279                     final String type = jc.getClassName(indx);

  1280                     if (!type.startsWith("[")) {

  1281                         emit(out, "var @2 = @1 != null && @1.$instOf_@3 ? 1 : 0;",

  1282                              smapper.popA(), smapper.pushI(),

  1283                              type.replace('/', '_'));

  1284                     } else {

  1285                         emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",

  1286                             smapper.popA(), smapper.pushI(),

  1287                             type

  1288                         );

  1289                     }

  1290                     i += 2;

  1291                     break;

  1292                 }

  1293                 case opc_athrow: {

  1294                     final Variable v = smapper.popA();

  1295                     smapper.clear();

  1297                     emit(out, "{ var @1 = @2; throw @2; }",

  1298                          smapper.pushA(), v);

  1299                     break;

  1300                 }

  1302                 case opc_monitorenter: {

  1303                     out.append("/* monitor enter */");

  1304                     smapper.popA();

  1305                     break;

  1306                 }

  1308                 case opc_monitorexit: {

  1309                     out.append("/* monitor exit */");

  1310                     smapper.popA();

  1311                     break;

  1312                 }

  1314                 case opc_wide:

  1315                     wide = true;

  1316                     break;

  1318                 default: {

  1319                     wide = false;

  1320                     emit(out, "throw 'unknown bytecode @1';",

  1321                          Integer.toString(c));

  1322                 }

  1323             }

  1324             if (debug(" //")) {

  1325                 for (int j = prev; j <= i; j++) {

  1326                     out.append(" ");

  1327                     final int cc = readUByte(byteCodes, j);

  1328                     out.append(Integer.toString(cc));

  1329                 }

  1330             }

  1331             out.append("\n");

  1332         }

  1333         if (previousTrap != null) {

  1334             generateCatch(previousTrap);

  1335         }

  1336         out.append("  }\n");

  1337         out.append("};");

  1338     }

  1340     private int generateIf(byte[] byteCodes, int i,

  1341                            final Variable v2, final Variable v1,

  1342                            final String test) throws IOException {

  1343         int indx = i + readIntArg(byteCodes, i);

  1344         out.append("if (").append(v1)

  1345            .append(' ').append(test).append(' ')

  1346            .append(v2).append(") { gt = " + indx)

  1347            .append("; continue; }");

  1348         return i + 2;

  1349     }

  1351     private int readIntArg(byte[] byteCodes, int offsetInstruction) {

  1352         final int indxHi = byteCodes[offsetInstruction + 1] << 8;

  1353         final int indxLo = byteCodes[offsetInstruction + 2];

  1354         return (indxHi & 0xffffff00) | (indxLo & 0xff);

  1355     }

  1356     private int readInt4(byte[] byteCodes, int offsetInstruction) {

  1357         final int d = byteCodes[offsetInstruction + 0] << 24;

  1358         final int c = byteCodes[offsetInstruction + 1] << 16;

  1359         final int b = byteCodes[offsetInstruction + 2] << 8;

  1360         final int a = byteCodes[offsetInstruction + 3];

  1361         return (d & 0xff000000) | (c & 0xff0000) | (b & 0xff00) | (a & 0xff);

  1362     }

  1363     private int readUByte(byte[] byteCodes, int offsetInstruction) {

  1364         return byteCodes[offsetInstruction] & 0xff;

  1365     }

  1367     private int readUShort(byte[] byteCodes, int offsetInstruction) {

  1368         return ((byteCodes[offsetInstruction] & 0xff) << 8)

  1369                     | (byteCodes[offsetInstruction + 1] & 0xff);

  1370     }

  1372     private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {

  1373         int i = 0;

  1374         Boolean count = null;

  1375         boolean array = false;

  1376         sig.append("__");

  1377         int firstPos = sig.length();

  1378         while (i < descriptor.length()) {

  1379             char ch = descriptor.charAt(i++);

  1380             switch (ch) {

  1381                 case '(':

  1382                     count = true;

  1383                     continue;

  1384                 case ')':

  1385                     count = false;

  1386                     continue;

  1387                 case 'B':

  1388                 case 'C':

  1389                 case 'D':

  1390                 case 'F':

  1391                 case 'I':

  1392                 case 'J':

  1393                 case 'S':

  1394                 case 'Z':

  1395                     if (count) {

  1396                         if (array) {

  1397                             sig.append("_3");

  1398                         }

  1399                         sig.append(ch);

  1400                         if (ch == 'J' || ch == 'D') {

  1401                             cnt.append('1');

  1402                         } else {

  1403                             cnt.append('0');

  1404                         }

  1405                     } else {

  1406                         sig.insert(firstPos, ch);

  1407                         if (array) {

  1408                             returnType[0] = '[';

  1409                             sig.insert(firstPos, "_3");

  1410                         } else {

  1411                             returnType[0] = ch;

  1412                         }

  1413                     }

  1414                     array = false;

  1415                     continue;

  1416                 case 'V':

  1417                     assert !count;

  1418                     returnType[0] = 'V';

  1419                     sig.insert(firstPos, 'V');

  1420                     continue;

  1421                 case 'L':

  1422                     int next = descriptor.indexOf(';', i);

  1423                     String realSig = mangleSig(descriptor, i - 1, next + 1);

  1424                     if (count) {

  1425                         if (array) {

  1426                             sig.append("_3");

  1427                         }

  1428                         sig.append(realSig);

  1429                         cnt.append('0');

  1430                     } else {

  1431                         sig.insert(firstPos, realSig);

  1432                         if (array) {

  1433                             sig.insert(firstPos, "_3");

  1434                         }

  1435                         returnType[0] = 'L';

  1436                     }

  1437                     i = next + 1;

  1438                     array = false;

  1439                     continue;

  1440                 case '[':

  1441                     array = true;

  1442                     continue;

  1443                 default:

  1444                     throw new IllegalStateException("Invalid char: " + ch);

  1445             }

  1446         }

  1447     }

  1449     static String mangleSig(String sig) {

  1450         return mangleSig(sig, 0, sig.length());

  1451     }

  1453     private static String mangleSig(String txt, int first, int last) {

  1454         StringBuilder sb = new StringBuilder();

  1455         for (int i = first; i < last; i++) {

  1456             final char ch = txt.charAt(i);

  1457             switch (ch) {

  1458                 case '/': sb.append('_'); break;

  1459                 case '_': sb.append("_1"); break;

  1460                 case ';': sb.append("_2"); break;

  1461                 case '[': sb.append("_3"); break;

  1462                 default: sb.append(ch); break;

  1463             }

  1464         }

  1465         return sb.toString();

  1466     }

  1468     private static String findMethodName(MethodData m, StringBuilder cnt) {

  1469         StringBuilder name = new StringBuilder();

  1470         if ("<init>".equals(m.getName())) { // NOI18N

  1471             name.append("cons"); // NOI18N

  1472         } else if ("<clinit>".equals(m.getName())) { // NOI18N

  1473             name.append("class"); // NOI18N

  1474         } else {

  1475             name.append(m.getName());

  1476         }

  1478         countArgs(m.getInternalSig(), new char[1], name, cnt);

  1479         return name.toString();

  1480     }

  1482     static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {

  1483         StringBuilder name = new StringBuilder();

  1484         String descr = mi[2];//mi.getDescriptor();

  1485         String nm= mi[1];

  1486         if ("<init>".equals(nm)) { // NOI18N

  1487             name.append("cons"); // NOI18N

  1488         } else {

  1489             name.append(nm);

  1490         }

  1491         countArgs(descr, returnType, name, cnt);

  1492         return name.toString();

  1493     }

  1495     private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)

  1496     throws IOException {

  1497         int methodIndex = readIntArg(byteCodes, i);

  1498         String[] mi = jc.getFieldInfoName(methodIndex);

  1499         char[] returnType = { 'V' };

  1500         StringBuilder cnt = new StringBuilder();

  1501         String mn = findMethodName(mi, cnt, returnType);

  1503         final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;

  1504         final Variable[] vars = new Variable[numArguments];

  1506         for (int j = numArguments - 1; j >= 0; --j) {

  1507             vars[j] = mapper.pop();

  1508         }

  1510         if (returnType[0] != 'V') {

  1511             out.append("var ")

  1512                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))

  1513                .append(" = ");

  1514         }

  1516         final String in = mi[0];

  1517         out.append(accessClass(in.replace('/', '_')));

  1518         out.append("(false).");

  1519         if (mn.startsWith("cons_")) {

  1520             out.append("constructor.");

  1521         }

  1522         out.append(mn);

  1523         if (isStatic) {

  1524             out.append('(');

  1525         } else {

  1526             out.append(".call(");

  1527         }

  1528         if (numArguments > 0) {

  1529             out.append(vars[0]);

  1530             for (int j = 1; j < numArguments; ++j) {

  1531                 out.append(", ");

  1532                 out.append(vars[j]);

  1533             }

  1534         }

  1535         out.append(");");

  1536         i += 2;

  1537         addReference(in);

  1538         return i;

  1539     }

  1540     private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)

  1541     throws IOException {

  1542         int methodIndex = readIntArg(byteCodes, i);

  1543         String[] mi = jc.getFieldInfoName(methodIndex);

  1544         char[] returnType = { 'V' };

  1545         StringBuilder cnt = new StringBuilder();

  1546         String mn = findMethodName(mi, cnt, returnType);

  1548         final int numArguments = cnt.length() + 1;

  1549         final Variable[] vars = new Variable[numArguments];

  1551         for (int j = numArguments - 1; j >= 0; --j) {

  1552             vars[j] = mapper.pop();

  1553         }

  1555         if (returnType[0] != 'V') {

  1556             out.append("var ")

  1557                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))

  1558                .append(" = ");

  1559         }

  1561         out.append(vars[0]).append('.');

  1562         out.append(mn);

  1563         out.append('(');

  1564         String sep = "";

  1565         for (int j = 1; j < numArguments; ++j) {

  1566             out.append(sep);

  1567             out.append(vars[j]);

  1568             sep = ", ";

  1569         }

  1570         out.append(");");

  1571         i += 2;

  1572         return i;

  1573     }

  1575     private void addReference(String cn) throws IOException {

  1576         if (requireReference(cn)) {

  1577             debug(" /* needs " + cn + " */");

  1578         }

  1579     }

  1581     private void outType(String d, StringBuilder out) {

  1582         int arr = 0;

  1583         while (d.charAt(0) == '[') {

  1584             out.append('A');

  1585             d = d.substring(1);

  1586         }

  1587         if (d.charAt(0) == 'L') {

  1588             assert d.charAt(d.length() - 1) == ';';

  1589             out.append(d.replace('/', '_').substring(0, d.length() - 1));

  1590         } else {

  1591             out.append(d);

  1592         }

  1593     }

  1595     private String encodeConstant(int entryIndex) throws IOException {

  1596         String[] classRef = { null };

  1597         String s = jc.stringValue(entryIndex, classRef);

  1598         if (classRef[0] != null) {

  1599             if (classRef[0].startsWith("[")) {

  1600                 s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";

  1601             } else {

  1602                 addReference(classRef[0]);

  1603                 s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";

  1604             }

  1605         }

  1606         return s;

  1607     }

  1609     private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {

  1610         byte[] arr = m.findAnnotationData(true);

  1611         if (arr == null) {

  1612             return null;

  1613         }

  1614         final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";

  1615         class P extends AnnotationParser {

  1616             public P() {

  1617                 super(false);

  1618             }

  1620             int cnt;

  1621             String[] args = new String[30];

  1622             String body;

  1624             @Override

  1625             protected void visitAttr(String type, String attr, String at, String value) {

  1626                 if (type.equals(jvmType)) {

  1627                     if ("body".equals(attr)) {

  1628                         body = value;

  1629                     } else if ("args".equals(attr)) {

  1630                         args[cnt++] = value;

  1631                     } else {

  1632                         throw new IllegalArgumentException(attr);

  1633                     }

  1634                 }

  1635             }

  1636         }

  1637         P p = new P();

  1638         p.parse(arr, jc);

  1639         if (p.body == null) {

  1640             return null;

  1641         }

  1642         StringBuilder cnt = new StringBuilder();

  1643         final String mn = findMethodName(m, cnt);

  1644         out.append(prefix).append(mn);

  1645         out.append(" = function(");

  1646         String space = "";

  1647         int index = 0;

  1648         for (int i = 0; i < cnt.length(); i++) {

  1649             out.append(space);

  1650             space = outputArg(out, p.args, index);

  1651             index++;

  1652         }

  1653         out.append(") {").append("\n");

  1654         out.append(p.body);

  1655         out.append("\n}\n");

  1656         return mn;

  1657     }

  1658     private static String className(ClassData jc) {

  1659         //return jc.getName().getInternalName().replace('/', '_');

  1660         return jc.getClassName().replace('/', '_');

  1661     }

  1663     private static String[] findAnnotation(

  1664         byte[] arr, ClassData cd, final String className,

  1665         final String... attrNames

  1666     ) throws IOException {

  1667         if (arr == null) {

  1668             return null;

  1669         }

  1670         final String[] values = new String[attrNames.length];

  1671         final boolean[] found = { false };

  1672         final String jvmType = "L" + className.replace('.', '/') + ";";

  1673         AnnotationParser ap = new AnnotationParser(false) {

  1674             @Override

  1675             protected void visitAttr(String type, String attr, String at, String value) {

  1676                 if (type.equals(jvmType)) {

  1677                     found[0] = true;

  1678                     for (int i = 0; i < attrNames.length; i++) {

  1679                         if (attrNames[i].equals(attr)) {

  1680                             values[i] = value;

  1681                         }

  1682                     }

  1683                 }

  1684             }

  1686         };

  1687         ap.parse(arr, cd);

  1688         return found[0] ? values : null;

  1689     }

  1691     private CharSequence initField(FieldData v) {

  1692         final String is = v.getInternalSig();

  1693         if (is.length() == 1) {

  1694             switch (is.charAt(0)) {

  1695                 case 'S':

  1696                 case 'J':

  1697                 case 'B':

  1698                 case 'Z':

  1699                 case 'C':

  1700                 case 'I': return " = 0;";

  1701                 case 'F':

  1702                 case 'D': return " = 0.0;";

  1703                 default:

  1704                     throw new IllegalStateException(is);

  1705             }

  1706         }

  1707         return " = null;";

  1708     }

  1710     private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {

  1711         AnnotationParser ap = new AnnotationParser(true) {

  1712             int anno;

  1713             int cnt;

  1715             @Override

  1716             protected void visitAnnotationStart(String type) throws IOException {

  1717                 if (anno++ > 0) {

  1718                     out.append(",");

  1719                 }

  1720                 out.append('"').append(type).append("\" : {\n");

  1721                 cnt = 0;

  1722             }

  1724             @Override

  1725             protected void visitAnnotationEnd(String type) throws IOException {

  1726                 out.append("\n}\n");

  1727             }

  1729             @Override

  1730             protected void visitAttr(String type, String attr, String attrType, String value)

  1731             throws IOException {

  1732                 if (attr == null) {

  1733                     return;

  1734                 }

  1735                 if (cnt++ > 0) {

  1736                     out.append(",\n");

  1737                 }

  1738                 out.append(attr).append("__").append(attrType).append(" : ").append(value);

  1739             }

  1740         };

  1741         ap.parse(data, cd);

  1742     }

  1744     private static String outputArg(Appendable out, String[] args, int indx) throws IOException {

  1745         final String name = args[indx];

  1746         if (name == null) {

  1747             return "";

  1748         }

  1749         if (name.contains(",")) {

  1750             throw new IOException("Wrong parameter with ',': " + name);

  1751         }

  1752         out.append(name);

  1753         return ",";

  1754     }

  1756     private static void emit(final Appendable out,

  1757                              final String format,

  1758                              final CharSequence... params) throws IOException {

  1759         final int length = format.length();

  1761         int processed = 0;

  1762         int paramOffset = format.indexOf('@');

  1763         while ((paramOffset != -1) && (paramOffset < (length - 1))) {

  1764             final char paramChar = format.charAt(paramOffset + 1);

  1765             if ((paramChar >= '1') && (paramChar <= '9')) {

  1766                 final int paramIndex = paramChar - '0' - 1;

  1768                 out.append(format, processed, paramOffset);

  1769                 out.append(params[paramIndex]);

  1771                 ++paramOffset;

  1772                 processed = paramOffset + 1;

  1773             }

  1775             paramOffset = format.indexOf('@', paramOffset + 1);

  1776         }

  1778         out.append(format, processed, length);

  1779     }

  1781     private void generateCatch(TrapData[] traps) throws IOException {

  1782         out.append("} catch (e) {\n");

  1783         int finallyPC = -1;

  1784         for (TrapData e : traps) {

  1785             if (e == null) {

  1786                 break;

  1787             }

  1788             if (e.catch_cpx != 0) { //not finally

  1789                 final String classInternalName = jc.getClassName(e.catch_cpx);

  1790                 addReference(classInternalName);

  1791                 if ("java/lang/Throwable".equals(classInternalName)) {

  1792                     out.append("if (e.$instOf_java_lang_Throwable) {");

  1793                     out.append("  var stA0 = e;");

  1794                     out.append("} else {");

  1795                     out.append("  var stA0 = vm.java_lang_Throwable(true);");

  1796                     out.append("  vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");

  1797                     out.append("}");

  1798                     out.append("gt=" + e.handler_pc + "; continue;");

  1799                 } else {

  1800                     out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");

  1801                     out.append("gt=" + e.handler_pc + "; var stA0 = e; continue;");

  1802                     out.append("}\n");

  1803                 }

  1804             } else {

  1805                 finallyPC = e.handler_pc;

  1806             }

  1807         }

  1808         if (finallyPC == -1) {

  1809             out.append("throw e;");

  1810         } else {

  1811             out.append("gt=" + finallyPC + "; var stA0 = e; continue;");

  1812         }

  1813         out.append("\n}");

  1814     }

  1815 }

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Tue, 05 Feb 2013 19:14:39 +0100
branch	arithmetic
changeset 679	ee595aae8353
parent 677	1ff540c1650f
child 695	dbcd1a21f3f8
child 700	b9bf26ea0118
permissions	-rw-r--r--