Merge of new advances in arithmetic including JavaScript Number having all methods of java.lang.Number and good valueOf implementation
2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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.
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.
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.
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.
34 * @author Jaroslav Tulach <jtulach@netbeans.org>
36 abstract class ByteCodeToJavaScript {
40 protected ByteCodeToJavaScript(Appendable out) {
44 /* Collects additional required resources.
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>.
50 protected abstract boolean requireReference(String internalClassName);
53 * @param resourcePath name of resources to read
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>;
61 * @param className suggested name of the class
63 /* protected */ String assignClass(String className) {
64 return className + " = ";
66 /* protected */ String accessClass(String classOperation) {
67 return classOperation;
70 /** Prints out a debug message.
72 * @param msg the message
73 * @return true if the message has been printed
76 boolean debug(String msg) throws IOException {
82 * Converts a given class file to a JavaScript version.
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>
87 * @throws IOException if something goes wrong during read or write or translating
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)."
97 byte[] arrData = jc.findAnnotationData(true);
98 String[] arr = findAnnotation(arrData, jc,
99 "org.apidesign.bck2brwsr.core.ExtraJavaScript",
100 "resource", "processByteCode"
103 requireScript(arr[0]);
104 if ("0".equals(arr[1])) {
108 String[] proto = findAnnotation(arrData, jc,
109 "org.apidesign.bck2brwsr.core.JavaScriptPrototype",
110 "container", "prototype"
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.$class) {");
118 String sc = jc.getSuperClassName(); // with _
119 out.append("\n var pp = ").
120 append(accessClass(sc.replace('/', '_'))).append("(true);");
121 out.append("\n var p = CLS.prototype = pp;");
122 out.append("\n var c = p;");
123 out.append("\n var sprcls = pp.constructor.$class;");
125 out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
126 if (proto[0] == null) {
129 out.append("\n var c = ").append(proto[0]).append(";");
130 out.append("\n var sprcls = null;");
132 for (FieldData v : jc.getFields()) {
134 out.append("\n CLS.").append(v.getName()).append(initField(v));
135 out.append("\n c._").append(v.getName()).append(" = function (v) {")
136 .append(" if (arguments.length == 1) CLS.").append(v.getName())
137 .append(" = v; return CLS.").
138 append(v.getName()).append("; };");
140 out.append("\n c._").append(v.getName()).append(" = function (v) {")
141 .append(" if (arguments.length == 1) this.fld_").
142 append(className).append('_').append(v.getName())
143 .append(" = v; return this.fld_").
144 append(className).append('_').append(v.getName())
148 for (MethodData m : jc.getMethods()) {
149 byte[] onlyArr = m.findAnnotationData(true);
150 String[] only = findAnnotation(onlyArr, jc,
151 "org.apidesign.bck2brwsr.core.JavaScriptOnly",
155 if (only[0] != null && only[1] != null) {
156 out.append("\n p.").append(only[0]).append(" = ")
157 .append(only[1]).append(";");
165 mn = generateStaticMethod(prefix, m, toInitilize);
167 if (m.isConstructor()) {
169 mn = generateInstanceMethod(prefix, m);
172 mn = generateInstanceMethod(prefix, m);
175 byte[] runAnno = m.findAnnotationData(false);
176 if (runAnno != null) {
177 out.append(prefix).append(mn).append(".anno = {");
178 generateAnno(jc, out, runAnno);
181 out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
182 out.append(prefix).append(mn).append(".cls = CLS;");
184 out.append("\n c.constructor = CLS;");
185 out.append("\n c.$instOf_").append(className).append(" = true;");
186 for (String superInterface : jc.getSuperInterfaces()) {
187 out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
189 out.append("\n CLS.$class = 'temp';");
190 out.append("\n CLS.$class = ");
191 out.append(accessClass("java_lang_Class(true);"));
192 out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
193 out.append("\n CLS.$class.superclass = sprcls;");
194 out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
195 out.append("\n CLS.$class.cnstr = CLS;");
196 byte[] classAnno = jc.findAnnotationData(false);
197 if (classAnno != null) {
198 out.append("\n CLS.$class.anno = {");
199 generateAnno(jc, out, classAnno);
203 out.append("\n if (arguments.length === 0) {");
204 out.append("\n if (!(this instanceof CLS)) {");
205 out.append("\n return new CLS();");
207 for (FieldData v : jc.getFields()) {
208 byte[] onlyArr = v.findAnnotationData(true);
209 String[] only = findAnnotation(onlyArr, jc,
210 "org.apidesign.bck2brwsr.core.JavaScriptOnly",
214 if (only[0] != null && only[1] != null) {
215 out.append("\n p.").append(only[0]).append(" = ")
216 .append(only[1]).append(";");
221 out.append("\n this.fld_").
222 append(className).append('_').
223 append(v.getName()).append(initField(v));
226 out.append("\n return this;");
228 out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
230 StringBuilder sb = new StringBuilder();
231 for (String init : toInitilize.toArray()) {
232 sb.append("\n").append(init).append("();");
234 return sb.toString();
236 private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
237 String jsb = javaScriptBody(prefix, m, true);
241 final String mn = findMethodName(m, new StringBuilder());
242 if (mn.equals("class__V")) {
243 toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
245 generateMethod(prefix, mn, m);
249 private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
250 String jsb = javaScriptBody(prefix, m, false);
254 final String mn = findMethodName(m, new StringBuilder());
255 generateMethod(prefix, mn, m);
259 private void generateMethod(String prefix, String name, MethodData m)
261 final StackMapIterator stackMapIterator = m.createStackMapIterator();
262 TrapDataIterator trap = m.getTrapDataIterator();
263 final LocalsMapper lmapper =
264 new LocalsMapper(stackMapIterator.getArguments());
266 out.append(prefix).append(name).append(" = function(");
267 lmapper.outputArguments(out, m.isStatic());
268 out.append(") {").append("\n");
270 final byte[] byteCodes = m.getCode();
271 if (byteCodes == null) {
272 out.append(" throw 'no code found for ")
273 .append(jc.getClassName()).append('.')
274 .append(m.getName()).append("';\n");
279 final StackMapper smapper = new StackMapper();
282 out.append(" var ").append(" lcA0 = this;\n");
285 int lastStackFrame = -1;
286 TrapData[] previousTrap = null;
287 boolean wide = false;
289 out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
290 for (int i = 0; i < byteCodes.length; i++) {
292 stackMapIterator.advanceTo(i);
293 boolean changeInCatch = trap.advanceTo(i);
294 if (changeInCatch || lastStackFrame != stackMapIterator.getFrameIndex()) {
295 if (previousTrap != null) {
296 generateCatch(previousTrap);
300 if (lastStackFrame != stackMapIterator.getFrameIndex()) {
301 lastStackFrame = stackMapIterator.getFrameIndex();
302 lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
303 smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
304 out.append(" case " + i).append(": ");
305 changeInCatch = true;
307 debug(" /* " + i + " */ ");
309 if (changeInCatch && trap.useTry()) {
311 previousTrap = trap.current();
313 final int c = readUByte(byteCodes, i);
316 emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
319 emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
322 emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
325 emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
328 emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
331 emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
334 emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
337 emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
340 emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
343 emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
346 emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
349 emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
352 emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
355 emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
358 emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
361 emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
364 emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
367 emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
370 emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
373 emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
377 final int indx = wide ? readUShort(byteCodes, i++)
378 : readUByte(byteCodes, i);
380 emit(out, "var @1 = @2;",
381 smapper.pushI(), lmapper.getI(indx));
386 final int indx = wide ? readUShort(byteCodes, i++)
387 : readUByte(byteCodes, i);
389 emit(out, "var @1 = @2;",
390 smapper.pushL(), lmapper.getL(indx));
395 final int indx = wide ? readUShort(byteCodes, i++)
396 : readUByte(byteCodes, i);
398 emit(out, "var @1 = @2;",
399 smapper.pushF(), lmapper.getF(indx));
404 final int indx = wide ? readUShort(byteCodes, i++)
405 : readUByte(byteCodes, i);
407 emit(out, "var @1 = @2;",
408 smapper.pushD(), lmapper.getD(indx));
413 final int indx = wide ? readUShort(byteCodes, i++)
414 : readUByte(byteCodes, i);
416 emit(out, "var @1 = @2;",
417 smapper.pushA(), lmapper.getA(indx));
422 final int indx = wide ? readUShort(byteCodes, i++)
423 : readUByte(byteCodes, i);
425 emit(out, "var @1 = @2;",
426 lmapper.setI(indx), smapper.popI());
431 final int indx = wide ? readUShort(byteCodes, i++)
432 : readUByte(byteCodes, i);
434 emit(out, "var @1 = @2;",
435 lmapper.setL(indx), smapper.popL());
440 final int indx = wide ? readUShort(byteCodes, i++)
441 : readUByte(byteCodes, i);
443 emit(out, "var @1 = @2;",
444 lmapper.setF(indx), smapper.popF());
449 final int indx = wide ? readUShort(byteCodes, i++)
450 : readUByte(byteCodes, i);
452 emit(out, "var @1 = @2;",
453 lmapper.setD(indx), smapper.popD());
458 final int indx = wide ? readUShort(byteCodes, i++)
459 : readUByte(byteCodes, i);
461 emit(out, "var @1 = @2;",
462 lmapper.setA(indx), smapper.popA());
466 emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
469 emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
472 emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
475 emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
478 emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
481 emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
484 emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
487 emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
490 emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
493 emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
496 emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
499 emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
502 emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
505 emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
508 emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
511 emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
514 emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
517 emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
520 emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
523 emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
526 emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
529 emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
532 emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
535 emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
538 emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
541 emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
544 emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
547 emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
550 emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
553 emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
556 emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
559 emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
562 emit(out, "@1 = @1.div32(@2);",
563 smapper.getI(1), smapper.popI());
566 emit(out, "@1 = @1.div64(@2);",
567 smapper.getL(1), smapper.popL());
570 emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
573 emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
576 emit(out, "@1 = @1.mod32(@2);",
577 smapper.getI(1), smapper.popI());
580 emit(out, "@1 = @1.mod64(@2);",
581 smapper.getL(1), smapper.popL());
584 emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
587 emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
590 emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
593 emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
596 emit(out, "@1 |= @2;", smapper.getI(1), smapper.popI());
599 emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
602 emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
605 emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
608 emit(out, "@1 = @1.neg32();", smapper.getI(0));
611 emit(out, "@1 = @1.neg64();", smapper.getL(0));
614 emit(out, "@1 = -@1;", smapper.getF(0));
617 emit(out, "@1 = -@1;", smapper.getD(0));
620 emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
623 emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
626 emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
629 emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
632 emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
635 emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
639 final int varIndx = wide ? readUShort(byteCodes, i++)
640 : readUByte(byteCodes, i);
642 final int incrBy = wide ? readShort(byteCodes, i++)
646 emit(out, "@1++;", lmapper.getI(varIndx));
648 emit(out, "@1 += @2;",
649 lmapper.getI(varIndx),
650 Integer.toString(incrBy));
655 emit(out, "return;");
658 emit(out, "return @1;", smapper.popI());
661 emit(out, "return @1;", smapper.popL());
664 emit(out, "return @1;", smapper.popF());
667 emit(out, "return @1;", smapper.popD());
670 emit(out, "return @1;", smapper.popA());
673 emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
676 emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
679 emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
682 emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
686 emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
689 emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
692 emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
695 emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
698 emit(out, "var @2 = @1.toInt32();",
699 smapper.popF(), smapper.pushI());
702 emit(out, "var @2 = @1.toLong();",
703 smapper.popF(), smapper.pushL());
706 emit(out, "var @2 = @1.toInt32();",
707 smapper.popD(), smapper.pushI());
710 emit(out, "var @2 = @1.toLong();",
711 smapper.popD(), smapper.pushL());
714 emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
717 out.append("{ /* number conversion */ }");
720 emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
722 case opc_aconst_null:
723 emit(out, "var @1 = null;", smapper.pushA());
726 emit(out, "var @1 = -1;", smapper.pushI());
729 emit(out, "var @1 = 0;", smapper.pushI());
732 emit(out, "var @1 = 0;", smapper.pushD());
735 emit(out, "var @1 = 0;", smapper.pushL());
738 emit(out, "var @1 = 0;", smapper.pushF());
741 emit(out, "var @1 = 1;", smapper.pushI());
744 emit(out, "var @1 = 1;", smapper.pushL());
747 emit(out, "var @1 = 1;", smapper.pushF());
750 emit(out, "var @1 = 1;", smapper.pushD());
753 emit(out, "var @1 = 2;", smapper.pushI());
756 emit(out, "var @1 = 2;", smapper.pushF());
759 emit(out, "var @1 = 3;", smapper.pushI());
762 emit(out, "var @1 = 4;", smapper.pushI());
765 emit(out, "var @1 = 5;", smapper.pushI());
768 int indx = readUByte(byteCodes, ++i);
769 String v = encodeConstant(indx);
770 int type = VarType.fromConstantType(jc.getTag(indx));
771 emit(out, "var @1 = @2;", smapper.pushT(type), v);
776 int indx = readIntArg(byteCodes, i);
778 String v = encodeConstant(indx);
779 int type = VarType.fromConstantType(jc.getTag(indx));
780 if (type == VarType.LONG) {
781 final Long lv = new Long(v);
782 final int low = (int)(lv.longValue() & 0xFFFFFFFF);
783 final int hi = (int)(lv.longValue() >> 32);
784 emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
785 Integer.toHexString(low), Integer.toHexString(hi));
787 emit(out, "var @1 = @2;", smapper.pushT(type), v);
792 emit(out, "var @3 = @2.compare64(@1);",
793 smapper.popL(), smapper.popL(), smapper.pushI());
797 emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
798 smapper.popF(), smapper.popF(), smapper.pushI());
802 emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
803 smapper.popD(), smapper.popD(), smapper.pushI());
806 i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
810 i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
814 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
818 int indx = i + readIntArg(byteCodes, i);
819 emit(out, "if (@1 == 0) { gt = @2; continue; }",
820 smapper.popI(), Integer.toString(indx));
825 int indx = i + readIntArg(byteCodes, i);
826 emit(out, "if (@1 != 0) { gt = @2; continue; }",
827 smapper.popI(), Integer.toString(indx));
832 int indx = i + readIntArg(byteCodes, i);
833 emit(out, "if (@1 < 0) { gt = @2; continue; }",
834 smapper.popI(), Integer.toString(indx));
839 int indx = i + readIntArg(byteCodes, i);
840 emit(out, "if (@1 <= 0) { gt = @2; continue; }",
841 smapper.popI(), Integer.toString(indx));
846 int indx = i + readIntArg(byteCodes, i);
847 emit(out, "if (@1 > 0) { gt = @2; continue; }",
848 smapper.popI(), Integer.toString(indx));
853 int indx = i + readIntArg(byteCodes, i);
854 emit(out, "if (@1 >= 0) { gt = @2; continue; }",
855 smapper.popI(), Integer.toString(indx));
859 case opc_ifnonnull: {
860 int indx = i + readIntArg(byteCodes, i);
861 emit(out, "if (@1 !== null) { gt = @2; continue; }",
862 smapper.popA(), Integer.toString(indx));
867 int indx = i + readIntArg(byteCodes, i);
868 emit(out, "if (@1 === null) { gt = @2; continue; }",
869 smapper.popA(), Integer.toString(indx));
874 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
878 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
882 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
886 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
890 i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
894 int indx = i + readIntArg(byteCodes, i);
895 emit(out, "gt = @1; continue;", Integer.toString(indx));
899 case opc_lookupswitch: {
900 int table = i / 4 * 4 + 4;
901 int dflt = i + readInt4(byteCodes, table);
903 int n = readInt4(byteCodes, table);
905 out.append("switch (").append(smapper.popI()).append(") {\n");
907 int cnstnt = readInt4(byteCodes, table);
909 int offset = i + readInt4(byteCodes, table);
911 out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
913 out.append(" default: gt = " + dflt).append("; continue;\n}");
917 case opc_tableswitch: {
918 int table = i / 4 * 4 + 4;
919 int dflt = i + readInt4(byteCodes, table);
921 int low = readInt4(byteCodes, table);
923 int high = readInt4(byteCodes, table);
925 out.append("switch (").append(smapper.popI()).append(") {\n");
926 while (low <= high) {
927 int offset = i + readInt4(byteCodes, table);
929 out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
932 out.append(" default: gt = " + dflt).append("; continue;\n}");
936 case opc_invokeinterface: {
937 i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
940 case opc_invokevirtual:
941 i = invokeVirtualMethod(byteCodes, i, smapper);
943 case opc_invokespecial:
944 i = invokeStaticMethod(byteCodes, i, smapper, false);
946 case opc_invokestatic:
947 i = invokeStaticMethod(byteCodes, i, smapper, true);
950 int indx = readIntArg(byteCodes, i);
951 String ci = jc.getClassName(indx);
952 emit(out, "var @1 = new @2;",
953 smapper.pushA(), accessClass(ci.replace('/', '_')));
959 int atype = readUByte(byteCodes, ++i);
962 case 4: jvmType = "[Z"; break;
963 case 5: jvmType = "[C"; break;
964 case 6: jvmType = "[F"; break;
965 case 7: jvmType = "[D"; break;
966 case 8: jvmType = "[B"; break;
967 case 9: jvmType = "[S"; break;
968 case 10: jvmType = "[I"; break;
969 case 11: jvmType = "[J"; break;
970 default: throw new IllegalStateException("Array type: " + atype);
972 emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
973 smapper.popI(), smapper.pushA(), jvmType);
975 case opc_anewarray: {
976 int type = readIntArg(byteCodes, i);
978 String typeName = jc.getClassName(type);
979 if (typeName.startsWith("[")) {
980 typeName = "[" + typeName;
982 typeName = "[L" + typeName + ";";
984 emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
985 smapper.popI(), smapper.pushA(), typeName);
988 case opc_multianewarray: {
989 int type = readIntArg(byteCodes, i);
991 String typeName = jc.getClassName(type);
992 int dim = readUByte(byteCodes, ++i);
993 StringBuilder dims = new StringBuilder();
995 for (int d = 0; d < dim; d++) {
999 dims.append(smapper.popI());
1002 emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
1003 dims.toString(), smapper.pushA(), typeName);
1006 case opc_arraylength:
1007 emit(out, "var @2 = @1.length;",
1008 smapper.popA(), smapper.pushI());
1011 emit(out, "@3.at(@2, @1);",
1012 smapper.popL(), smapper.popI(), smapper.popA());
1015 emit(out, "@3.at(@2, @1);",
1016 smapper.popF(), smapper.popI(), smapper.popA());
1019 emit(out, "@3.at(@2, @1);",
1020 smapper.popD(), smapper.popI(), smapper.popA());
1023 emit(out, "@3.at(@2, @1);",
1024 smapper.popA(), smapper.popI(), smapper.popA());
1030 emit(out, "@3.at(@2, @1);",
1031 smapper.popI(), smapper.popI(), smapper.popA());
1034 emit(out, "var @3 = @2.at(@1);",
1035 smapper.popI(), smapper.popA(), smapper.pushL());
1038 emit(out, "var @3 = @2.at(@1);",
1039 smapper.popI(), smapper.popA(), smapper.pushF());
1042 emit(out, "var @3 = @2.at(@1);",
1043 smapper.popI(), smapper.popA(), smapper.pushD());
1046 emit(out, "var @3 = @2.at(@1);",
1047 smapper.popI(), smapper.popA(), smapper.pushA());
1053 emit(out, "var @3 = @2.at(@1);",
1054 smapper.popI(), smapper.popA(), smapper.pushI());
1062 final Variable v = smapper.get(0);
1063 emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
1067 final Variable vi1 = smapper.get(0);
1069 if (vi1.isCategory2()) {
1070 emit(out, "var @1 = @2;",
1071 smapper.pushT(vi1.getType()), vi1);
1073 final Variable vi2 = smapper.get(1);
1074 emit(out, "var @1 = @2, @3 = @4;",
1075 smapper.pushT(vi2.getType()), vi2,
1076 smapper.pushT(vi1.getType()), vi1);
1081 final Variable vi1 = smapper.pop();
1082 final Variable vi2 = smapper.pop();
1083 final Variable vo3 = smapper.pushT(vi1.getType());
1084 final Variable vo2 = smapper.pushT(vi2.getType());
1085 final Variable vo1 = smapper.pushT(vi1.getType());
1087 emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
1088 vo1, vi1, vo2, vi2, vo3, vo1);
1092 final Variable vi1 = smapper.pop();
1093 final Variable vi2 = smapper.pop();
1095 if (vi1.isCategory2()) {
1096 final Variable vo3 = smapper.pushT(vi1.getType());
1097 final Variable vo2 = smapper.pushT(vi2.getType());
1098 final Variable vo1 = smapper.pushT(vi1.getType());
1100 emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
1101 vo1, vi1, vo2, vi2, vo3, vo1);
1103 final Variable vi3 = smapper.pop();
1104 final Variable vo5 = smapper.pushT(vi2.getType());
1105 final Variable vo4 = smapper.pushT(vi1.getType());
1106 final Variable vo3 = smapper.pushT(vi3.getType());
1107 final Variable vo2 = smapper.pushT(vi2.getType());
1108 final Variable vo1 = smapper.pushT(vi1.getType());
1110 emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
1111 vo1, vi1, vo2, vi2, vo3, vi3);
1112 emit(out, " @1 = @2, @3 = @4;",
1113 vo4, vo1, vo5, vo2);
1118 final Variable vi1 = smapper.pop();
1119 final Variable vi2 = smapper.pop();
1121 if (vi2.isCategory2()) {
1122 final Variable vo3 = smapper.pushT(vi1.getType());
1123 final Variable vo2 = smapper.pushT(vi2.getType());
1124 final Variable vo1 = smapper.pushT(vi1.getType());
1126 emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
1127 vo1, vi1, vo2, vi2, vo3, vo1);
1129 final Variable vi3 = smapper.pop();
1130 final Variable vo4 = smapper.pushT(vi1.getType());
1131 final Variable vo3 = smapper.pushT(vi3.getType());
1132 final Variable vo2 = smapper.pushT(vi2.getType());
1133 final Variable vo1 = smapper.pushT(vi1.getType());
1135 emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
1136 vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
1141 final Variable vi1 = smapper.pop();
1142 final Variable vi2 = smapper.pop();
1144 if (vi1.isCategory2()) {
1145 if (vi2.isCategory2()) {
1146 final Variable vo3 = smapper.pushT(vi1.getType());
1147 final Variable vo2 = smapper.pushT(vi2.getType());
1148 final Variable vo1 = smapper.pushT(vi1.getType());
1150 emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
1151 vo1, vi1, vo2, vi2, vo3, vo1);
1153 final Variable vi3 = smapper.pop();
1154 final Variable vo4 = smapper.pushT(vi1.getType());
1155 final Variable vo3 = smapper.pushT(vi3.getType());
1156 final Variable vo2 = smapper.pushT(vi2.getType());
1157 final Variable vo1 = smapper.pushT(vi1.getType());
1159 emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
1160 vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
1163 final Variable vi3 = smapper.pop();
1165 if (vi3.isCategory2()) {
1166 final Variable vo5 = smapper.pushT(vi2.getType());
1167 final Variable vo4 = smapper.pushT(vi1.getType());
1168 final Variable vo3 = smapper.pushT(vi3.getType());
1169 final Variable vo2 = smapper.pushT(vi2.getType());
1170 final Variable vo1 = smapper.pushT(vi1.getType());
1172 emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
1173 vo1, vi1, vo2, vi2, vo3, vi3);
1174 emit(out, " @1 = @2, @3 = @4;",
1175 vo4, vo1, vo5, vo2);
1177 final Variable vi4 = smapper.pop();
1178 final Variable vo6 = smapper.pushT(vi2.getType());
1179 final Variable vo5 = smapper.pushT(vi1.getType());
1180 final Variable vo4 = smapper.pushT(vi4.getType());
1181 final Variable vo3 = smapper.pushT(vi3.getType());
1182 final Variable vo2 = smapper.pushT(vi2.getType());
1183 final Variable vo1 = smapper.pushT(vi1.getType());
1185 emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
1186 vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
1187 emit(out, " @1 = @2, @3 = @4;",
1188 vo5, vo1, vo6, vo2);
1194 final Variable vi1 = smapper.get(0);
1195 final Variable vi2 = smapper.get(1);
1197 if (vi1.getType() == vi2.getType()) {
1198 final Variable tmp = smapper.pushT(vi1.getType());
1200 emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
1205 smapper.pushT(vi1.getType());
1206 smapper.pushT(vi2.getType());
1211 emit(out, "var @1 = @2;",
1212 smapper.pushI(), Integer.toString(byteCodes[++i]));
1215 emit(out, "var @1 = @2;",
1217 Integer.toString(readIntArg(byteCodes, i)));
1220 case opc_getfield: {
1221 int indx = readIntArg(byteCodes, i);
1222 String[] fi = jc.getFieldInfoName(indx);
1223 final int type = VarType.fromFieldType(fi[2].charAt(0));
1224 final String mangleClass = mangleSig(fi[0]);
1225 final String mangleClassAccess = accessClass(mangleClass);
1226 emit(out, "var @2 = @4(false)._@3.call(@1);",
1228 smapper.pushT(type), fi[1], mangleClassAccess
1233 case opc_putfield: {
1234 int indx = readIntArg(byteCodes, i);
1235 String[] fi = jc.getFieldInfoName(indx);
1236 final int type = VarType.fromFieldType(fi[2].charAt(0));
1237 final String mangleClass = mangleSig(fi[0]);
1238 final String mangleClassAccess = accessClass(mangleClass);
1239 emit(out, "@4(false)._@3.call(@2, @1);",
1241 smapper.popA(), fi[1],
1247 case opc_getstatic: {
1248 int indx = readIntArg(byteCodes, i);
1249 String[] fi = jc.getFieldInfoName(indx);
1250 final int type = VarType.fromFieldType(fi[2].charAt(0));
1251 emit(out, "var @1 = @2(false)._@3();",
1252 smapper.pushT(type),
1253 accessClass(fi[0].replace('/', '_')), fi[1]);
1255 addReference(fi[0]);
1258 case opc_putstatic: {
1259 int indx = readIntArg(byteCodes, i);
1260 String[] fi = jc.getFieldInfoName(indx);
1261 final int type = VarType.fromFieldType(fi[2].charAt(0));
1262 emit(out, "@1(false)._@2(@3);",
1263 accessClass(fi[0].replace('/', '_')), fi[1],
1264 smapper.popT(type));
1266 addReference(fi[0]);
1269 case opc_checkcast: {
1270 int indx = readIntArg(byteCodes, i);
1271 final String type = jc.getClassName(indx);
1272 if (!type.startsWith("[")) {
1274 "if (@1 !== null && !@1.$instOf_@2) throw {};",
1275 smapper.getA(0), type.replace('/', '_'));
1277 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);",
1278 smapper.getA(0), type
1284 case opc_instanceof: {
1285 int indx = readIntArg(byteCodes, i);
1286 final String type = jc.getClassName(indx);
1287 if (!type.startsWith("[")) {
1288 emit(out, "var @2 = @1 != null && @1.$instOf_@3 ? 1 : 0;",
1289 smapper.popA(), smapper.pushI(),
1290 type.replace('/', '_'));
1292 emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
1293 smapper.popA(), smapper.pushI(),
1301 final Variable v = smapper.popA();
1304 emit(out, "{ var @1 = @2; throw @2; }",
1305 smapper.pushA(), v);
1309 case opc_monitorenter: {
1310 out.append("/* monitor enter */");
1315 case opc_monitorexit: {
1316 out.append("/* monitor exit */");
1327 emit(out, "throw 'unknown bytecode @1';",
1328 Integer.toString(c));
1332 for (int j = prev; j <= i; j++) {
1334 final int cc = readUByte(byteCodes, j);
1335 out.append(Integer.toString(cc));
1340 if (previousTrap != null) {
1341 generateCatch(previousTrap);
1347 private int generateIf(byte[] byteCodes, int i,
1348 final Variable v2, final Variable v1,
1349 final String test) throws IOException {
1350 int indx = i + readIntArg(byteCodes, i);
1351 out.append("if (").append(v1)
1352 .append(' ').append(test).append(' ')
1353 .append(v2).append(") { gt = " + indx)
1354 .append("; continue; }");
1358 private int readIntArg(byte[] byteCodes, int offsetInstruction) {
1359 final int indxHi = byteCodes[offsetInstruction + 1] << 8;
1360 final int indxLo = byteCodes[offsetInstruction + 2];
1361 return (indxHi & 0xffffff00) | (indxLo & 0xff);
1363 private int readInt4(byte[] byteCodes, int offset) {
1364 final int d = byteCodes[offset + 0] << 24;
1365 final int c = byteCodes[offset + 1] << 16;
1366 final int b = byteCodes[offset + 2] << 8;
1367 final int a = byteCodes[offset + 3];
1368 return (d & 0xff000000) | (c & 0xff0000) | (b & 0xff00) | (a & 0xff);
1370 private int readUByte(byte[] byteCodes, int offset) {
1371 return byteCodes[offset] & 0xff;
1374 private int readUShort(byte[] byteCodes, int offset) {
1375 return ((byteCodes[offset] & 0xff) << 8)
1376 | (byteCodes[offset + 1] & 0xff);
1379 private int readShort(byte[] byteCodes, int offset) {
1380 return (byteCodes[offset] << 8)
1381 | (byteCodes[offset + 1] & 0xff);
1384 private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
1386 Boolean count = null;
1387 boolean array = false;
1389 int firstPos = sig.length();
1390 while (i < descriptor.length()) {
1391 char ch = descriptor.charAt(i++);
1412 if (ch == 'J' || ch == 'D') {
1418 sig.insert(firstPos, ch);
1420 returnType[0] = '[';
1421 sig.insert(firstPos, "_3");
1430 returnType[0] = 'V';
1431 sig.insert(firstPos, 'V');
1434 int next = descriptor.indexOf(';', i);
1435 String realSig = mangleSig(descriptor, i - 1, next + 1);
1440 sig.append(realSig);
1443 sig.insert(firstPos, realSig);
1445 sig.insert(firstPos, "_3");
1447 returnType[0] = 'L';
1456 throw new IllegalStateException("Invalid char: " + ch);
1461 static String mangleSig(String sig) {
1462 return mangleSig(sig, 0, sig.length());
1465 private static String mangleSig(String txt, int first, int last) {
1466 StringBuilder sb = new StringBuilder();
1467 for (int i = first; i < last; i++) {
1468 final char ch = txt.charAt(i);
1470 case '/': sb.append('_'); break;
1471 case '_': sb.append("_1"); break;
1472 case ';': sb.append("_2"); break;
1473 case '[': sb.append("_3"); break;
1474 default: sb.append(ch); break;
1477 return sb.toString();
1480 private static String findMethodName(MethodData m, StringBuilder cnt) {
1481 StringBuilder name = new StringBuilder();
1482 if ("<init>".equals(m.getName())) { // NOI18N
1483 name.append("cons"); // NOI18N
1484 } else if ("<clinit>".equals(m.getName())) { // NOI18N
1485 name.append("class"); // NOI18N
1487 name.append(m.getName());
1490 countArgs(m.getInternalSig(), new char[1], name, cnt);
1491 return name.toString();
1494 static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
1495 StringBuilder name = new StringBuilder();
1496 String descr = mi[2];//mi.getDescriptor();
1498 if ("<init>".equals(nm)) { // NOI18N
1499 name.append("cons"); // NOI18N
1503 countArgs(descr, returnType, name, cnt);
1504 return name.toString();
1507 private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
1508 throws IOException {
1509 int methodIndex = readIntArg(byteCodes, i);
1510 String[] mi = jc.getFieldInfoName(methodIndex);
1511 char[] returnType = { 'V' };
1512 StringBuilder cnt = new StringBuilder();
1513 String mn = findMethodName(mi, cnt, returnType);
1515 final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
1516 final Variable[] vars = new Variable[numArguments];
1518 for (int j = numArguments - 1; j >= 0; --j) {
1519 vars[j] = mapper.pop();
1522 if (returnType[0] != 'V') {
1524 .append(mapper.pushT(VarType.fromFieldType(returnType[0])))
1528 final String in = mi[0];
1529 out.append(accessClass(in.replace('/', '_')));
1530 out.append("(false).");
1531 if (mn.startsWith("cons_")) {
1532 out.append("constructor.");
1538 out.append(".call(");
1540 if (numArguments > 0) {
1541 out.append(vars[0]);
1542 for (int j = 1; j < numArguments; ++j) {
1544 out.append(vars[j]);
1552 private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
1553 throws IOException {
1554 int methodIndex = readIntArg(byteCodes, i);
1555 String[] mi = jc.getFieldInfoName(methodIndex);
1556 char[] returnType = { 'V' };
1557 StringBuilder cnt = new StringBuilder();
1558 String mn = findMethodName(mi, cnt, returnType);
1560 final int numArguments = cnt.length() + 1;
1561 final Variable[] vars = new Variable[numArguments];
1563 for (int j = numArguments - 1; j >= 0; --j) {
1564 vars[j] = mapper.pop();
1567 if (returnType[0] != 'V') {
1569 .append(mapper.pushT(VarType.fromFieldType(returnType[0])))
1573 out.append(vars[0]).append('.');
1577 for (int j = 1; j < numArguments; ++j) {
1579 out.append(vars[j]);
1587 private void addReference(String cn) throws IOException {
1588 if (requireReference(cn)) {
1589 debug(" /* needs " + cn + " */");
1593 private void outType(String d, StringBuilder out) {
1595 while (d.charAt(0) == '[') {
1599 if (d.charAt(0) == 'L') {
1600 assert d.charAt(d.length() - 1) == ';';
1601 out.append(d.replace('/', '_').substring(0, d.length() - 1));
1607 private String encodeConstant(int entryIndex) throws IOException {
1608 String[] classRef = { null };
1609 String s = jc.stringValue(entryIndex, classRef);
1610 if (classRef[0] != null) {
1611 if (classRef[0].startsWith("[")) {
1612 s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
1614 addReference(classRef[0]);
1615 s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
1621 private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
1622 byte[] arr = m.findAnnotationData(true);
1626 final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
1627 class P extends AnnotationParser {
1633 String[] args = new String[30];
1637 protected void visitAttr(String type, String attr, String at, String value) {
1638 if (type.equals(jvmType)) {
1639 if ("body".equals(attr)) {
1641 } else if ("args".equals(attr)) {
1642 args[cnt++] = value;
1644 throw new IllegalArgumentException(attr);
1651 if (p.body == null) {
1654 StringBuilder cnt = new StringBuilder();
1655 final String mn = findMethodName(m, cnt);
1656 out.append(prefix).append(mn);
1657 out.append(" = function(");
1660 for (int i = 0; i < cnt.length(); i++) {
1662 space = outputArg(out, p.args, index);
1665 out.append(") {").append("\n");
1667 out.append("\n}\n");
1670 private static String className(ClassData jc) {
1671 //return jc.getName().getInternalName().replace('/', '_');
1672 return jc.getClassName().replace('/', '_');
1675 private static String[] findAnnotation(
1676 byte[] arr, ClassData cd, final String className,
1677 final String... attrNames
1678 ) throws IOException {
1682 final String[] values = new String[attrNames.length];
1683 final boolean[] found = { false };
1684 final String jvmType = "L" + className.replace('.', '/') + ";";
1685 AnnotationParser ap = new AnnotationParser(false, true) {
1687 protected void visitAttr(String type, String attr, String at, String value) {
1688 if (type.equals(jvmType)) {
1690 for (int i = 0; i < attrNames.length; i++) {
1691 if (attrNames[i].equals(attr)) {
1700 return found[0] ? values : null;
1703 private CharSequence initField(FieldData v) {
1704 final String is = v.getInternalSig();
1705 if (is.length() == 1) {
1706 switch (is.charAt(0)) {
1712 case 'I': return " = 0;";
1714 case 'D': return " = 0.0;";
1716 throw new IllegalStateException(is);
1722 private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
1723 AnnotationParser ap = new AnnotationParser(true, false) {
1724 int[] cnt = new int[32];
1728 protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
1729 final String slashType = attrType.substring(1, attrType.length() - 1);
1730 requireReference(slashType);
1732 if (cnt[depth]++ > 0) {
1736 out.append('"').append(attrType).append("\" : ");
1743 protected void visitAnnotationEnd(String type, boolean top) throws IOException {
1744 out.append("\n}\n");
1749 protected void visitValueStart(String attrName, char type) throws IOException {
1750 if (cnt[depth]++ > 0) {
1754 if (attrName != null) {
1755 out.append(attrName).append(" : ");
1763 protected void visitValueEnd(String attrName, char type) throws IOException {
1771 protected void visitAttr(String type, String attr, String attrType, String value)
1772 throws IOException {
1773 if (attr == null && value == null) {
1780 protected void visitEnumAttr(String type, String attr, String attrType, String value)
1781 throws IOException {
1782 final String slashType = attrType.substring(1, attrType.length() - 1);
1783 requireReference(slashType);
1785 out.append(accessClass(slashType.replace('/', '_')))
1786 .append("(false).constructor.").append(value);
1792 private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
1793 final String name = args[indx];
1797 if (name.contains(",")) {
1798 throw new IOException("Wrong parameter with ',': " + name);
1804 private static void emit(final Appendable out,
1805 final String format,
1806 final CharSequence... params) throws IOException {
1807 final int length = format.length();
1810 int paramOffset = format.indexOf('@');
1811 while ((paramOffset != -1) && (paramOffset < (length - 1))) {
1812 final char paramChar = format.charAt(paramOffset + 1);
1813 if ((paramChar >= '1') && (paramChar <= '9')) {
1814 final int paramIndex = paramChar - '0' - 1;
1816 out.append(format, processed, paramOffset);
1817 out.append(params[paramIndex]);
1820 processed = paramOffset + 1;
1823 paramOffset = format.indexOf('@', paramOffset + 1);
1826 out.append(format, processed, length);
1829 private void generateCatch(TrapData[] traps) throws IOException {
1830 out.append("} catch (e) {\n");
1832 for (TrapData e : traps) {
1836 if (e.catch_cpx != 0) { //not finally
1837 final String classInternalName = jc.getClassName(e.catch_cpx);
1838 addReference(classInternalName);
1839 if ("java/lang/Throwable".equals(classInternalName)) {
1840 out.append("if (e.$instOf_java_lang_Throwable) {");
1841 out.append(" var stA0 = e;");
1842 out.append("} else {");
1843 out.append(" var stA0 = vm.java_lang_Throwable(true);");
1844 out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
1846 out.append("gt=" + e.handler_pc + "; continue;");
1848 out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
1849 out.append("gt=" + e.handler_pc + "; var stA0 = e; continue;");
1853 finallyPC = e.handler_pc;
1856 if (finallyPC == -1) {
1857 out.append("throw e;");
1859 out.append("gt=" + finallyPC + "; var stA0 = e; continue;");