hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@e606853325f1

     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 *= @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 %= @2;", smapper.getL(1), smapper.popL());

   574                     break;

   575                 case opc_frem:

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

   577                     break;

   578                 case opc_drem:

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

   580                     break;

   581                 case opc_iand:

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

   583                     break;

   584                 case opc_land:

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

   586                     break;

   587                 case opc_ior:

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

   589                     break;

   590                 case opc_lor:

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

   592                     break;

   593                 case opc_ixor:

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

   595                     break;

   596                 case opc_lxor:

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

   598                     break;

   599                 case opc_ineg:

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

   601                     break;

   602                 case opc_lneg:

   603                     emit(out, "@1 = -@1;", smapper.getL(0));

   604                     break;

   605                 case opc_fneg:

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

   607                     break;

   608                 case opc_dneg:

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

   610                     break;

   611                 case opc_ishl:

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

   613                     break;

   614                 case opc_lshl:

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

   616                     break;

   617                 case opc_ishr:

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

   619                     break;

   620                 case opc_lshr:

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

   622                     break;

   623                 case opc_iushr:

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

   625                     break;

   626                 case opc_lushr:

   627                     emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());

   628                     break;

   629                 case opc_iinc: {

   630                     ++i;

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

   632                                              : readUByte(byteCodes, i);

   633                     ++i;

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

   635                                             : byteCodes[i];

   636                     wide = false;

   637                     if (incrBy == 1) {

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

   639                     } else {

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

   641                              lmapper.getI(varIndx),

   642                              Integer.toString(incrBy));

   643                     }

   644                     break;

   645                 }

   646                 case opc_return:

   647                     emit(out, "return;");

   648                     break;

   649                 case opc_ireturn:

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

   651                     break;

   652                 case opc_lreturn:

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

   654                     break;

   655                 case opc_freturn:

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

   657                     break;

   658                 case opc_dreturn:

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

   660                     break;

   661                 case opc_areturn:

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

   663                     break;

   664                 case opc_i2l:

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

   666                     break;

   667                 case opc_i2f:

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

   669                     break;

   670                 case opc_i2d:

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

   672                     break;

   673                 case opc_l2i:

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

   675                     break;

   676                     // max int check?

   677                 case opc_l2f:

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

   679                     break;

   680                 case opc_l2d:

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

   682                     break;

   683                 case opc_f2d:

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

   685                     break;

   686                 case opc_d2f:

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

   688                     break;

   689                 case opc_f2i:

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

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

   692                     break;

   693                 case opc_f2l:

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

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

   696                     break;

   697                 case opc_d2i:

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

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

   700                     break;

   701                 case opc_d2l:

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

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

   704                     break;

   705                 case opc_i2b:

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

   707                     break;

   708                 case opc_i2c:

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

   710                     break;

   711                 case opc_i2s:

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

   713                     break;

   714                 case opc_aconst_null:

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

   716                     break;

   717                 case opc_iconst_m1:

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

   719                     break;

   720                 case opc_iconst_0:

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

   722                     break;

   723                 case opc_dconst_0:

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

   725                     break;

   726                 case opc_lconst_0:

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

   728                     break;

   729                 case opc_fconst_0:

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

   731                     break;

   732                 case opc_iconst_1:

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

   734                     break;

   735                 case opc_lconst_1:

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

   737                     break;

   738                 case opc_fconst_1:

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

   740                     break;

   741                 case opc_dconst_1:

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

   743                     break;

   744                 case opc_iconst_2:

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

   746                     break;

   747                 case opc_fconst_2:

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

   749                     break;

   750                 case opc_iconst_3:

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

   752                     break;

   753                 case opc_iconst_4:

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

   755                     break;

   756                 case opc_iconst_5:

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

   758                     break;

   759                 case opc_ldc: {

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

   761                     String v = encodeConstant(indx);

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

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

   764                     break;

   765                 }

   766                 case opc_ldc_w:

   767                 case opc_ldc2_w: {

   768                     int indx = readIntArg(byteCodes, i);

   769                     i += 2;

   770                     String v = encodeConstant(indx);

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

   772                     if (type == VarType.LONG) {

   773                         final Long lv = new Long(v);

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

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

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

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

   778                     } else {

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

   780                     }

   781                     break;

   782                 }

   783                 case opc_lcmp:

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

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

   786                     break;

   787                 case opc_fcmpl:

   788                 case opc_fcmpg:

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

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

   791                     break;

   792                 case opc_dcmpl:

   793                 case opc_dcmpg:

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

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

   796                     break;

   797                 case opc_if_acmpeq:

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

   799                                    "===");

   800                     break;

   801                 case opc_if_acmpne:

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

   803                                    "!=");

   804                     break;

   805                 case opc_if_icmpeq:

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

   807                                    "==");

   808                     break;

   809                 case opc_ifeq: {

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

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

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

   813                     i += 2;

   814                     break;

   815                 }

   816                 case opc_ifne: {

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

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

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

   820                     i += 2;

   821                     break;

   822                 }

   823                 case opc_iflt: {

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

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

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

   827                     i += 2;

   828                     break;

   829                 }

   830                 case opc_ifle: {

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

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

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

   834                     i += 2;

   835                     break;

   836                 }

   837                 case opc_ifgt: {

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

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

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

   841                     i += 2;

   842                     break;

   843                 }

   844                 case opc_ifge: {

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

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

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

   848                     i += 2;

   849                     break;

   850                 }

   851                 case opc_ifnonnull: {

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

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

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

   855                     i += 2;

   856                     break;

   857                 }

   858                 case opc_ifnull: {

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

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

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

   862                     i += 2;

   863                     break;

   864                 }

   865                 case opc_if_icmpne:

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

   867                                    "!=");

   868                     break;

   869                 case opc_if_icmplt:

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

   871                                    "<");

   872                     break;

   873                 case opc_if_icmple:

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

   875                                    "<=");

   876                     break;

   877                 case opc_if_icmpgt:

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

   879                                    ">");

   880                     break;

   881                 case opc_if_icmpge:

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

   883                                    ">=");

   884                     break;

   885                 case opc_goto: {

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

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

   888                     i += 2;

   889                     break;

   890                 }

   891                 case opc_lookupswitch: {

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

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

   894                     table += 4;

   895                     int n = readInt4(byteCodes, table);

   896                     table += 4;

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

   898                     while (n-- > 0) {

   899                         int cnstnt = readInt4(byteCodes, table);

   900                         table += 4;

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

   902                         table += 4;

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

   904                     }

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

   906                     i = table - 1;

   907                     break;

   908                 }

   909                 case opc_tableswitch: {

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

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

   912                     table += 4;

   913                     int low = readInt4(byteCodes, table);

   914                     table += 4;

   915                     int high = readInt4(byteCodes, table);

   916                     table += 4;

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

   918                     while (low <= high) {

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

   920                         table += 4;

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

   922                         low++;

   923                     }

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

   925                     i = table - 1;

   926                     break;

   927                 }

   928                 case opc_invokeinterface: {

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

   930                     break;

   931                 }

   932                 case opc_invokevirtual:

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

   934                     break;

   935                 case opc_invokespecial:

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

   937                     break;

   938                 case opc_invokestatic:

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

   940                     break;

   941                 case opc_new: {

   942                     int indx = readIntArg(byteCodes, i);

   943                     String ci = jc.getClassName(indx);

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

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

   946                     addReference(ci);

   947                     i += 2;

   948                     break;

   949                 }

   950                 case opc_newarray:

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

   952                     String jvmType;

   953                     switch (atype) {

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

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

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

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

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

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

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

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

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

   963                     }

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

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

   966                     break;

   967                 case opc_anewarray: {

   968                     int type = readIntArg(byteCodes, i);

   969                     i += 2;

   970                     String typeName = jc.getClassName(type);

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

   972                         typeName = "[" + typeName;

   973                     } else {

   974                         typeName = "[L" + typeName + ";";

   975                     }

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

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

   978                     break;

   979                 }

   980                 case opc_multianewarray: {

   981                     int type = readIntArg(byteCodes, i);

   982                     i += 2;

   983                     String typeName = jc.getClassName(type);

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

   985                     StringBuilder dims = new StringBuilder();

   986                     dims.append('[');

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

   988                         if (d != 0) {

   989                             dims.append(",");

   990                         }

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

   992                     }

   993                     dims.append(']');

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

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

   996                     break;

   997                 }

   998                 case opc_arraylength:

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

  1000                          smapper.popA(), smapper.pushI());

  1001                     break;

  1002                 case opc_lastore:

  1003                     emit(out, "@3.at(@2, @1);",

  1004                          smapper.popL(), smapper.popI(), smapper.popA());

  1005                     break;

  1006                 case opc_fastore:

  1007                     emit(out, "@3.at(@2, @1);",

  1008                          smapper.popF(), smapper.popI(), smapper.popA());

  1009                     break;

  1010                 case opc_dastore:

  1011                     emit(out, "@3.at(@2, @1);",

  1012                          smapper.popD(), smapper.popI(), smapper.popA());

  1013                     break;

  1014                 case opc_aastore:

  1015                     emit(out, "@3.at(@2, @1);",

  1016                          smapper.popA(), smapper.popI(), smapper.popA());

  1017                     break;

  1018                 case opc_iastore:

  1019                 case opc_bastore:

  1020                 case opc_castore:

  1021                 case opc_sastore:

  1022                     emit(out, "@3.at(@2, @1);",

  1023                          smapper.popI(), smapper.popI(), smapper.popA());

  1024                     break;

  1025                 case opc_laload:

  1026                     emit(out, "var @3 = @2.at(@1);",

  1027                          smapper.popI(), smapper.popA(), smapper.pushL());

  1028                     break;

  1029                 case opc_faload:

  1030                     emit(out, "var @3 = @2.at(@1);",

  1031                          smapper.popI(), smapper.popA(), smapper.pushF());

  1032                     break;

  1033                 case opc_daload:

  1034                     emit(out, "var @3 = @2.at(@1);",

  1035                          smapper.popI(), smapper.popA(), smapper.pushD());

  1036                     break;

  1037                 case opc_aaload:

  1038                     emit(out, "var @3 = @2.at(@1);",

  1039                          smapper.popI(), smapper.popA(), smapper.pushA());

  1040                     break;

  1041                 case opc_iaload:

  1042                 case opc_baload:

  1043                 case opc_caload:

  1044                 case opc_saload:

  1045                     emit(out, "var @3 = @2.at(@1);",

  1046                          smapper.popI(), smapper.popA(), smapper.pushI());

  1047                     break;

  1048                 case opc_pop:

  1049                 case opc_pop2:

  1050                     smapper.pop(1);

  1051                     debug("/* pop */");

  1052                     break;

  1053                 case opc_dup: {

  1054                     final Variable v = smapper.get(0);

  1055                     emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);

  1056                     break;

  1057                 }

  1058                 case opc_dup2: {

  1059                     final Variable vi1 = smapper.get(0);

  1061                     if (vi1.isCategory2()) {

  1062                         emit(out, "var @1 = @2;",

  1063                              smapper.pushT(vi1.getType()), vi1);

  1064                     } else {

  1065                         final Variable vi2 = smapper.get(1);

  1066                         emit(out, "var @1 = @2, @3 = @4;",

  1067                              smapper.pushT(vi2.getType()), vi2,

  1068                              smapper.pushT(vi1.getType()), vi1);

  1069                     }

  1070                     break;

  1071                 }

  1072                 case opc_dup_x1: {

  1073                     final Variable vi1 = smapper.pop();

  1074                     final Variable vi2 = smapper.pop();

  1075                     final Variable vo3 = smapper.pushT(vi1.getType());

  1076                     final Variable vo2 = smapper.pushT(vi2.getType());

  1077                     final Variable vo1 = smapper.pushT(vi1.getType());

  1079                     emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1080                          vo1, vi1, vo2, vi2, vo3, vo1);

  1081                     break;

  1082                 }

  1083                 case opc_dup2_x1: {

  1084                     final Variable vi1 = smapper.pop();

  1085                     final Variable vi2 = smapper.pop();

  1087                     if (vi1.isCategory2()) {

  1088                         final Variable vo3 = smapper.pushT(vi1.getType());

  1089                         final Variable vo2 = smapper.pushT(vi2.getType());

  1090                         final Variable vo1 = smapper.pushT(vi1.getType());

  1092                         emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1093                              vo1, vi1, vo2, vi2, vo3, vo1);

  1094                     } else {

  1095                         final Variable vi3 = smapper.pop();

  1096                         final Variable vo5 = smapper.pushT(vi2.getType());

  1097                         final Variable vo4 = smapper.pushT(vi1.getType());

  1098                         final Variable vo3 = smapper.pushT(vi3.getType());

  1099                         final Variable vo2 = smapper.pushT(vi2.getType());

  1100                         final Variable vo1 = smapper.pushT(vi1.getType());

  1102                         emit(out, "var @1 = @2, @3 = @4, @5 = @6,",

  1103                              vo1, vi1, vo2, vi2, vo3, vi3);

  1104                         emit(out, " @1 = @2, @3 = @4;",

  1105                              vo4, vo1, vo5, vo2);

  1106                     }

  1107                     break;

  1108                 }

  1109                 case opc_dup_x2: {

  1110                     final Variable vi1 = smapper.pop();

  1111                     final Variable vi2 = smapper.pop();

  1113                     if (vi2.isCategory2()) {

  1114                         final Variable vo3 = smapper.pushT(vi1.getType());

  1115                         final Variable vo2 = smapper.pushT(vi2.getType());

  1116                         final Variable vo1 = smapper.pushT(vi1.getType());

  1118                         emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1119                              vo1, vi1, vo2, vi2, vo3, vo1);

  1120                     } else {

  1121                         final Variable vi3 = smapper.pop();

  1122                         final Variable vo4 = smapper.pushT(vi1.getType());

  1123                         final Variable vo3 = smapper.pushT(vi3.getType());

  1124                         final Variable vo2 = smapper.pushT(vi2.getType());

  1125                         final Variable vo1 = smapper.pushT(vi1.getType());

  1127                         emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",

  1128                              vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);

  1129                     }

  1130                     break;

  1131                 }

  1132                 case opc_dup2_x2: {

  1133                     final Variable vi1 = smapper.pop();

  1134                     final Variable vi2 = smapper.pop();

  1136                     if (vi1.isCategory2()) {

  1137                         if (vi2.isCategory2()) {

  1138                             final Variable vo3 = smapper.pushT(vi1.getType());

  1139                             final Variable vo2 = smapper.pushT(vi2.getType());

  1140                             final Variable vo1 = smapper.pushT(vi1.getType());

  1142                             emit(out, "var @1 = @2, @3 = @4, @5 = @6;",

  1143                                  vo1, vi1, vo2, vi2, vo3, vo1);

  1144                         } else {

  1145                             final Variable vi3 = smapper.pop();

  1146                             final Variable vo4 = smapper.pushT(vi1.getType());

  1147                             final Variable vo3 = smapper.pushT(vi3.getType());

  1148                             final Variable vo2 = smapper.pushT(vi2.getType());

  1149                             final Variable vo1 = smapper.pushT(vi1.getType());

  1151                             emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",

  1152                                  vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);

  1153                         }

  1154                     } else {

  1155                         final Variable vi3 = smapper.pop();

  1157                         if (vi3.isCategory2()) {

  1158                             final Variable vo5 = smapper.pushT(vi2.getType());

  1159                             final Variable vo4 = smapper.pushT(vi1.getType());

  1160                             final Variable vo3 = smapper.pushT(vi3.getType());

  1161                             final Variable vo2 = smapper.pushT(vi2.getType());

  1162                             final Variable vo1 = smapper.pushT(vi1.getType());

  1164                             emit(out, "var @1 = @2, @3 = @4, @5 = @6,",

  1165                                  vo1, vi1, vo2, vi2, vo3, vi3);

  1166                             emit(out, " @1 = @2, @3 = @4;",

  1167                                  vo4, vo1, vo5, vo2);

  1168                         } else {

  1169                             final Variable vi4 = smapper.pop();

  1170                             final Variable vo6 = smapper.pushT(vi2.getType());

  1171                             final Variable vo5 = smapper.pushT(vi1.getType());

  1172                             final Variable vo4 = smapper.pushT(vi4.getType());

  1173                             final Variable vo3 = smapper.pushT(vi3.getType());

  1174                             final Variable vo2 = smapper.pushT(vi2.getType());

  1175                             final Variable vo1 = smapper.pushT(vi1.getType());

  1177                             emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",

  1178                                  vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);

  1179                             emit(out, " @1 = @2, @3 = @4;",

  1180                                  vo5, vo1, vo6, vo2);

  1181                         }

  1182                     }

  1183                     break;

  1184                 }

  1185                 case opc_swap: {

  1186                     final Variable vi1 = smapper.get(0);

  1187                     final Variable vi2 = smapper.get(1);

  1189                     if (vi1.getType() == vi2.getType()) {

  1190                         final Variable tmp = smapper.pushT(vi1.getType());

  1192                         emit(out, "var @1 = @2, @2 = @3, @3 = @1;",

  1193                              tmp, vi1, vi2);

  1194                         smapper.pop(1);

  1195                     } else {

  1196                         smapper.pop(2);

  1197                         smapper.pushT(vi1.getType());

  1198                         smapper.pushT(vi2.getType());

  1199                     }

  1200                     break;

  1201                 }

  1202                 case opc_bipush:

  1203                     emit(out, "var @1 = @2;",

  1204                          smapper.pushI(), Integer.toString(byteCodes[++i]));

  1205                     break;

  1206                 case opc_sipush:

  1207                     emit(out, "var @1 = @2;",

  1208                          smapper.pushI(),

  1209                          Integer.toString(readIntArg(byteCodes, i)));

  1210                     i += 2;

  1211                     break;

  1212                 case opc_getfield: {

  1213                     int indx = readIntArg(byteCodes, i);

  1214                     String[] fi = jc.getFieldInfoName(indx);

  1215                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1216                     final String mangleClass = mangleSig(fi[0]);

  1217                     final String mangleClassAccess = accessClass(mangleClass);

  1218                     emit(out, "var @2 = @4(false)._@3.call(@1);",

  1219                          smapper.popA(),

  1220                          smapper.pushT(type), fi[1], mangleClassAccess

  1221                     );

  1222                     i += 2;

  1223                     break;

  1224                 }

  1225                 case opc_putfield: {

  1226                     int indx = readIntArg(byteCodes, i);

  1227                     String[] fi = jc.getFieldInfoName(indx);

  1228                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1229                     final String mangleClass = mangleSig(fi[0]);

  1230                     final String mangleClassAccess = accessClass(mangleClass);

  1231                     emit(out, "@4(false)._@3.call(@2, @1);",

  1232                          smapper.popT(type),

  1233                          smapper.popA(), fi[1],

  1234                          mangleClassAccess

  1235                     );

  1236                     i += 2;

  1237                     break;

  1238                 }

  1239                 case opc_getstatic: {

  1240                     int indx = readIntArg(byteCodes, i);

  1241                     String[] fi = jc.getFieldInfoName(indx);

  1242                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1243                     emit(out, "var @1 = @2(false).constructor.@3;",

  1244                          smapper.pushT(type),

  1245                          accessClass(fi[0].replace('/', '_')), fi[1]);

  1246                     i += 2;

  1247                     addReference(fi[0]);

  1248                     break;

  1249                 }

  1250                 case opc_putstatic: {

  1251                     int indx = readIntArg(byteCodes, i);

  1252                     String[] fi = jc.getFieldInfoName(indx);

  1253                     final int type = VarType.fromFieldType(fi[2].charAt(0));

  1254                     emit(out, "@1(false).constructor.@2 = @3;",

  1255                          accessClass(fi[0].replace('/', '_')), fi[1],

  1256                          smapper.popT(type));

  1257                     i += 2;

  1258                     addReference(fi[0]);

  1259                     break;

  1260                 }

  1261                 case opc_checkcast: {

  1262                     int indx = readIntArg(byteCodes, i);

  1263                     final String type = jc.getClassName(indx);

  1264                     if (!type.startsWith("[")) {

  1265                         emit(out,

  1266                              "if (@1 !== null && !@1.$instOf_@2) throw {};",

  1267                              smapper.getA(0), type.replace('/', '_'));

  1268                     } else {

  1269                         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);",

  1270                              smapper.getA(0), type

  1271                         );

  1272                     }

  1273                     i += 2;

  1274                     break;

  1275                 }

  1276                 case opc_instanceof: {

  1277                     int indx = readIntArg(byteCodes, i);

  1278                     final String type = jc.getClassName(indx);

  1279                     if (!type.startsWith("[")) {

  1280                         emit(out, "var @2 = @1.$instOf_@3 ? 1 : 0;",

  1281                              smapper.popA(), smapper.pushI(),

  1282                              type.replace('/', '_'));

  1283                     } else {

  1284                         emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",

  1285                             smapper.popA(), smapper.pushI(),

  1286                             type

  1287                         );

  1288                     }

  1289                     i += 2;

  1290                     break;

  1291                 }

  1292                 case opc_athrow: {

  1293                     final Variable v = smapper.popA();

  1294                     smapper.clear();

  1296                     emit(out, "{ var @1 = @2; throw @2; }",

  1297                          smapper.pushA(), v);

  1298                     break;

  1299                 }

  1301                 case opc_monitorenter: {

  1302                     out.append("/* monitor enter */");

  1303                     smapper.popA();

  1304                     break;

  1305                 }

  1307                 case opc_monitorexit: {

  1308                     out.append("/* monitor exit */");

  1309                     smapper.popA();

  1310                     break;

  1311                 }

  1313                 case opc_wide:

  1314                     wide = true;

  1315                     break;

  1317                 default: {

  1318                     wide = false;

  1319                     emit(out, "throw 'unknown bytecode @1';",

  1320                          Integer.toString(c));

  1321                 }

  1322             }

  1323             if (debug(" //")) {

  1324                 for (int j = prev; j <= i; j++) {

  1325                     out.append(" ");

  1326                     final int cc = readUByte(byteCodes, j);

  1327                     out.append(Integer.toString(cc));

  1328                 }

  1329             }

  1330             out.append("\n");

  1331         }

  1332         if (previousTrap != null) {

  1333             generateCatch(previousTrap);

  1334         }

  1335         out.append("  }\n");

  1336         out.append("};");

  1337     }

  1339     private int generateIf(byte[] byteCodes, int i,

  1340                            final Variable v2, final Variable v1,

  1341                            final String test) throws IOException {

  1342         int indx = i + readIntArg(byteCodes, i);

  1343         out.append("if (").append(v1)

  1344            .append(' ').append(test).append(' ')

  1345            .append(v2).append(") { gt = " + indx)

  1346            .append("; continue; }");

  1347         return i + 2;

  1348     }

  1350     private int readIntArg(byte[] byteCodes, int offsetInstruction) {

  1351         final int indxHi = byteCodes[offsetInstruction + 1] << 8;

  1352         final int indxLo = byteCodes[offsetInstruction + 2];

  1353         return (indxHi & 0xffffff00) | (indxLo & 0xff);

  1354     }

  1355     private int readInt4(byte[] byteCodes, int offsetInstruction) {

  1356         final int d = byteCodes[offsetInstruction + 0] << 24;

  1357         final int c = byteCodes[offsetInstruction + 1] << 16;

  1358         final int b = byteCodes[offsetInstruction + 2] << 8;

  1359         final int a = byteCodes[offsetInstruction + 3];

  1360         return (d & 0xff000000) | (c & 0xff0000) | (b & 0xff00) | (a & 0xff);

  1361     }

  1362     private int readUByte(byte[] byteCodes, int offsetInstruction) {

  1363         return byteCodes[offsetInstruction] & 0xff;

  1364     }

  1366     private int readUShort(byte[] byteCodes, int offsetInstruction) {

  1367         return ((byteCodes[offsetInstruction] & 0xff) << 8)

  1368                     | (byteCodes[offsetInstruction + 1] & 0xff);

  1369     }

  1371     private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {

  1372         int i = 0;

  1373         Boolean count = null;

  1374         boolean array = false;

  1375         sig.append("__");

  1376         int firstPos = sig.length();

  1377         while (i < descriptor.length()) {

  1378             char ch = descriptor.charAt(i++);

  1379             switch (ch) {

  1380                 case '(':

  1381                     count = true;

  1382                     continue;

  1383                 case ')':

  1384                     count = false;

  1385                     continue;

  1386                 case 'B':

  1387                 case 'C':

  1388                 case 'D':

  1389                 case 'F':

  1390                 case 'I':

  1391                 case 'J':

  1392                 case 'S':

  1393                 case 'Z':

  1394                     if (count) {

  1395                         if (array) {

  1396                             sig.append("_3");

  1397                         }

  1398                         sig.append(ch);

  1399                         if (ch == 'J' || ch == 'D') {

  1400                             cnt.append('1');

  1401                         } else {

  1402                             cnt.append('0');

  1403                         }

  1404                     } else {

  1405                         sig.insert(firstPos, ch);

  1406                         if (array) {

  1407                             returnType[0] = '[';

  1408                             sig.insert(firstPos, "_3");

  1409                         } else {

  1410                             returnType[0] = ch;

  1411                         }

  1412                     }

  1413                     array = false;

  1414                     continue;

  1415                 case 'V':

  1416                     assert !count;

  1417                     returnType[0] = 'V';

  1418                     sig.insert(firstPos, 'V');

  1419                     continue;

  1420                 case 'L':

  1421                     int next = descriptor.indexOf(';', i);

  1422                     String realSig = mangleSig(descriptor, i - 1, next + 1);

  1423                     if (count) {

  1424                         if (array) {

  1425                             sig.append("_3");

  1426                         }

  1427                         sig.append(realSig);

  1428                         cnt.append('0');

  1429                     } else {

  1430                         sig.insert(firstPos, realSig);

  1431                         if (array) {

  1432                             sig.insert(firstPos, "_3");

  1433                         }

  1434                         returnType[0] = 'L';

  1435                     }

  1436                     i = next + 1;

  1437                     array = false;

  1438                     continue;

  1439                 case '[':

  1440                     array = true;

  1441                     continue;

  1442                 default:

  1443                     throw new IllegalStateException("Invalid char: " + ch);

  1444             }

  1445         }

  1446     }

  1448     static String mangleSig(String sig) {

  1449         return mangleSig(sig, 0, sig.length());

  1450     }

  1452     private static String mangleSig(String txt, int first, int last) {

  1453         StringBuilder sb = new StringBuilder();

  1454         for (int i = first; i < last; i++) {

  1455             final char ch = txt.charAt(i);

  1456             switch (ch) {

  1457                 case '/': sb.append('_'); break;

  1458                 case '_': sb.append("_1"); break;

  1459                 case ';': sb.append("_2"); break;

  1460                 case '[': sb.append("_3"); break;

  1461                 default: sb.append(ch); break;

  1462             }

  1463         }

  1464         return sb.toString();

  1465     }

  1467     private static String findMethodName(MethodData m, StringBuilder cnt) {

  1468         StringBuilder name = new StringBuilder();

  1469         if ("<init>".equals(m.getName())) { // NOI18N

  1470             name.append("cons"); // NOI18N

  1471         } else if ("<clinit>".equals(m.getName())) { // NOI18N

  1472             name.append("class"); // NOI18N

  1473         } else {

  1474             name.append(m.getName());

  1475         }

  1477         countArgs(m.getInternalSig(), new char[1], name, cnt);

  1478         return name.toString();

  1479     }

  1481     static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {

  1482         StringBuilder name = new StringBuilder();

  1483         String descr = mi[2];//mi.getDescriptor();

  1484         String nm= mi[1];

  1485         if ("<init>".equals(nm)) { // NOI18N

  1486             name.append("cons"); // NOI18N

  1487         } else {

  1488             name.append(nm);

  1489         }

  1490         countArgs(descr, returnType, name, cnt);

  1491         return name.toString();

  1492     }

  1494     private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)

  1495     throws IOException {

  1496         int methodIndex = readIntArg(byteCodes, i);

  1497         String[] mi = jc.getFieldInfoName(methodIndex);

  1498         char[] returnType = { 'V' };

  1499         StringBuilder cnt = new StringBuilder();

  1500         String mn = findMethodName(mi, cnt, returnType);

  1502         final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;

  1503         final Variable[] vars = new Variable[numArguments];

  1505         for (int j = numArguments - 1; j >= 0; --j) {

  1506             vars[j] = mapper.pop();

  1507         }

  1509         if (returnType[0] != 'V') {

  1510             out.append("var ")

  1511                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))

  1512                .append(" = ");

  1513         }

  1515         final String in = mi[0];

  1516         out.append(accessClass(in.replace('/', '_')));

  1517         out.append("(false).");

  1518         if (mn.startsWith("cons_")) {

  1519             out.append("constructor.");

  1520         }

  1521         out.append(mn);

  1522         if (isStatic) {

  1523             out.append('(');

  1524         } else {

  1525             out.append(".call(");

  1526         }

  1527         if (numArguments > 0) {

  1528             out.append(vars[0]);

  1529             for (int j = 1; j < numArguments; ++j) {

  1530                 out.append(", ");

  1531                 out.append(vars[j]);

  1532             }

  1533         }

  1534         out.append(");");

  1535         i += 2;

  1536         addReference(in);

  1537         return i;

  1538     }

  1539     private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)

  1540     throws IOException {

  1541         int methodIndex = readIntArg(byteCodes, i);

  1542         String[] mi = jc.getFieldInfoName(methodIndex);

  1543         char[] returnType = { 'V' };

  1544         StringBuilder cnt = new StringBuilder();

  1545         String mn = findMethodName(mi, cnt, returnType);

  1547         final int numArguments = cnt.length() + 1;

  1548         final Variable[] vars = new Variable[numArguments];

  1550         for (int j = numArguments - 1; j >= 0; --j) {

  1551             vars[j] = mapper.pop();

  1552         }

  1554         if (returnType[0] != 'V') {

  1555             out.append("var ")

  1556                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))

  1557                .append(" = ");

  1558         }

  1560         out.append(vars[0]).append('.');

  1561         out.append(mn);

  1562         out.append('(');

  1563         String sep = "";

  1564         for (int j = 1; j < numArguments; ++j) {

  1565             out.append(sep);

  1566             out.append(vars[j]);

  1567             sep = ", ";

  1568         }

  1569         out.append(");");

  1570         i += 2;

  1571         return i;

  1572     }

  1574     private void addReference(String cn) throws IOException {

  1575         if (requireReference(cn)) {

  1576             debug(" /* needs " + cn + " */");

  1577         }

  1578     }

  1580     private void outType(String d, StringBuilder out) {

  1581         int arr = 0;

  1582         while (d.charAt(0) == '[') {

  1583             out.append('A');

  1584             d = d.substring(1);

  1585         }

  1586         if (d.charAt(0) == 'L') {

  1587             assert d.charAt(d.length() - 1) == ';';

  1588             out.append(d.replace('/', '_').substring(0, d.length() - 1));

  1589         } else {

  1590             out.append(d);

  1591         }

  1592     }

  1594     private String encodeConstant(int entryIndex) throws IOException {

  1595         String[] classRef = { null };

  1596         String s = jc.stringValue(entryIndex, classRef);

  1597         if (classRef[0] != null) {

  1598             if (classRef[0].startsWith("[")) {

  1599                 s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";

  1600             } else {

  1601                 addReference(classRef[0]);

  1602                 s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";

  1603             }

  1604         }

  1605         return s;

  1606     }

  1608     private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {

  1609         byte[] arr = m.findAnnotationData(true);

  1610         if (arr == null) {

  1611             return null;

  1612         }

  1613         final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";

  1614         class P extends AnnotationParser {

  1615             public P() {

  1616                 super(false);

  1617             }

  1619             int cnt;

  1620             String[] args = new String[30];

  1621             String body;

  1623             @Override

  1624             protected void visitAttr(String type, String attr, String at, String value) {

  1625                 if (type.equals(jvmType)) {

  1626                     if ("body".equals(attr)) {

  1627                         body = value;

  1628                     } else if ("args".equals(attr)) {

  1629                         args[cnt++] = value;

  1630                     } else {

  1631                         throw new IllegalArgumentException(attr);

  1632                     }

  1633                 }

  1634             }

  1635         }

  1636         P p = new P();

  1637         p.parse(arr, jc);

  1638         if (p.body == null) {

  1639             return null;

  1640         }

  1641         StringBuilder cnt = new StringBuilder();

  1642         final String mn = findMethodName(m, cnt);

  1643         out.append(prefix).append(mn);

  1644         out.append(" = function(");

  1645         String space = "";

  1646         int index = 0;

  1647         for (int i = 0; i < cnt.length(); i++) {

  1648             out.append(space);

  1649             space = outputArg(out, p.args, index);

  1650             index++;

  1651         }

  1652         out.append(") {").append("\n");

  1653         out.append(p.body);

  1654         out.append("\n}\n");

  1655         return mn;

  1656     }

  1657     private static String className(ClassData jc) {

  1658         //return jc.getName().getInternalName().replace('/', '_');

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

  1660     }

  1662     private static String[] findAnnotation(

  1663         byte[] arr, ClassData cd, final String className,

  1664         final String... attrNames

  1665     ) throws IOException {

  1666         if (arr == null) {

  1667             return null;

  1668         }

  1669         final String[] values = new String[attrNames.length];

  1670         final boolean[] found = { false };

  1671         final String jvmType = "L" + className.replace('.', '/') + ";";

  1672         AnnotationParser ap = new AnnotationParser(false) {

  1673             @Override

  1674             protected void visitAttr(String type, String attr, String at, String value) {

  1675                 if (type.equals(jvmType)) {

  1676                     found[0] = true;

  1677                     for (int i = 0; i < attrNames.length; i++) {

  1678                         if (attrNames[i].equals(attr)) {

  1679                             values[i] = value;

  1680                         }

  1681                     }

  1682                 }

  1683             }

  1685         };

  1686         ap.parse(arr, cd);

  1687         return found[0] ? values : null;

  1688     }

  1690     private CharSequence initField(FieldData v) {

  1691         final String is = v.getInternalSig();

  1692         if (is.length() == 1) {

  1693             switch (is.charAt(0)) {

  1694                 case 'S':

  1695                 case 'J':

  1696                 case 'B':

  1697                 case 'Z':

  1698                 case 'C':

  1699                 case 'I': return " = 0;";

  1700                 case 'F':

  1701                 case 'D': return " = 0.0;";

  1702                 default:

  1703                     throw new IllegalStateException(is);

  1704             }

  1705         }

  1706         return " = null;";

  1707     }

  1709     private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {

  1710         AnnotationParser ap = new AnnotationParser(true) {

  1711             int anno;

  1712             int cnt;

  1714             @Override

  1715             protected void visitAnnotationStart(String type) throws IOException {

  1716                 if (anno++ > 0) {

  1717                     out.append(",");

  1718                 }

  1719                 out.append('"').append(type).append("\" : {\n");

  1720                 cnt = 0;

  1721             }

  1723             @Override

  1724             protected void visitAnnotationEnd(String type) throws IOException {

  1725                 out.append("\n}\n");

  1726             }

  1728             @Override

  1729             protected void visitAttr(String type, String attr, String attrType, String value)

  1730             throws IOException {

  1731                 if (attr == null) {

  1732                     return;

  1733                 }

  1734                 if (cnt++ > 0) {

  1735                     out.append(",\n");

  1736                 }

  1737                 out.append(attr).append("__").append(attrType).append(" : ").append(value);

  1738             }

  1739         };

  1740         ap.parse(data, cd);

  1741     }

  1743     private static String outputArg(Appendable out, String[] args, int indx) throws IOException {

  1744         final String name = args[indx];

  1745         if (name == null) {

  1746             return "";

  1747         }

  1748         if (name.contains(",")) {

  1749             throw new IOException("Wrong parameter with ',': " + name);

  1750         }

  1751         out.append(name);

  1752         return ",";

  1753     }

  1755     private static void emit(final Appendable out,

  1756                              final String format,

  1757                              final CharSequence... params) throws IOException {

  1758         final int length = format.length();

  1760         int processed = 0;

  1761         int paramOffset = format.indexOf('@');

  1762         while ((paramOffset != -1) && (paramOffset < (length - 1))) {

  1763             final char paramChar = format.charAt(paramOffset + 1);

  1764             if ((paramChar >= '1') && (paramChar <= '9')) {

  1765                 final int paramIndex = paramChar - '0' - 1;

  1767                 out.append(format, processed, paramOffset);

  1768                 out.append(params[paramIndex]);

  1770                 ++paramOffset;

  1771                 processed = paramOffset + 1;

  1772             }

  1774             paramOffset = format.indexOf('@', paramOffset + 1);

  1775         }

  1777         out.append(format, processed, length);

  1778     }

  1780     private void generateCatch(TrapData[] traps) throws IOException {

  1781         out.append("} catch (e) {\n");

  1782         int finallyPC = -1;

  1783         for (TrapData e : traps) {

  1784             if (e == null) {

  1785                 break;

  1786             }

  1787             if (e.catch_cpx != 0) { //not finally

  1788                 final String classInternalName = jc.getClassName(e.catch_cpx);

  1789                 addReference(classInternalName);

  1790                 if ("java/lang/Throwable".equals(classInternalName)) {

  1791                     out.append("if (e.$instOf_java_lang_Throwable) {");

  1792                     out.append("  var stA0 = e;");

  1793                     out.append("} else {");

  1794                     out.append("  var stA0 = vm.java_lang_Throwable(true);");

  1795                     out.append("  vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");

  1796                     out.append("}");

  1797                     out.append("gt=" + e.handler_pc + "; continue;");

  1798                 } else {

  1799                     out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");

  1800                     out.append("gt=" + e.handler_pc + "; var stA0 = e; continue;");

  1801                     out.append("}\n");

  1802                 }

  1803             } else {

  1804                 finallyPC = e.handler_pc;

  1805             }

  1806         }

  1807         if (finallyPC == -1) {

  1808             out.append("throw e;");

  1809         } else {

  1810             out.append("gt=" + finallyPC + "; var stA0 = e; continue;");

  1811         }

  1812         out.append("\n}");

  1813     }

  1814 }

author	Martin Soch <Martin.Soch@oracle.com>
	Thu, 31 Jan 2013 20:37:12 +0100
branch	arithmetic
changeset 628	e606853325f1
parent 627	4c2b92281cdc
child 629	2d537f8cd604
permissions	-rw-r--r--