hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@fe1a07c17681 (annotated)

jaroslav@106	1	/**
jaroslav@106	2	* Back 2 Browser Bytecode Translator
jaroslav@106	3	* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@106	4	*
jaroslav@106	5	* This program is free software: you can redistribute it and/or modify
jaroslav@106	6	* it under the terms of the GNU General Public License as published by
jaroslav@106	7	* the Free Software Foundation, version 2 of the License.
jaroslav@106	8	*
jaroslav@106	9	* This program is distributed in the hope that it will be useful,
jaroslav@106	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@106	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
jaroslav@106	12	* GNU General Public License for more details.
jaroslav@106	13	*
jaroslav@106	14	* You should have received a copy of the GNU General Public License
jaroslav@106	15	* along with this program. Look for COPYING file in the top folder.
jaroslav@106	16	* If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@106	17	*/
jaroslav@22	18	package org.apidesign.vm4brwsr;
jaroslav@0	19
jaroslav@0	20	import java.io.IOException;
jaroslav@0	21	import java.io.InputStream;
jaroslav@457	22	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jtulach@167	23	import org.apidesign.javap.AnnotationParser;
jtulach@167	24	import org.apidesign.javap.ClassData;
jtulach@167	25	import org.apidesign.javap.FieldData;
jtulach@167	26	import org.apidesign.javap.MethodData;
lubomir@221	27	import org.apidesign.javap.StackMapIterator;
jtulach@167	28	import static org.apidesign.javap.RuntimeConstants.*;
tzezula@287	29	import org.apidesign.javap.TrapData;
jaroslav@288	30	import org.apidesign.javap.TrapDataIterator;
jaroslav@0	31
jaroslav@0	32	/** Translator of the code inside class files to JavaScript.
jaroslav@0	33	*
jaroslav@0	34	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0	35	*/
jaroslav@298	36	abstract class ByteCodeToJavaScript {
jtulach@162	37	private ClassData jc;
jaroslav@272	38	final Appendable out;
jaroslav@0	39
jtulach@162	40	protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0	41	this.out = out;
jaroslav@0	42	}
jtulach@162	43
jtulach@162	44	/* Collects additional required resources.
jtulach@162	45	*
jtulach@162	46	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	47	* generated JavaScript code works properly. The names are in internal
jtulach@162	48	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	49	*/
jtulach@162	50	protected abstract boolean requireReference(String internalClassName);
jtulach@162	51
jtulach@162	52	/*
jtulach@162	53	* @param resourcePath name of resources to read
jtulach@162	54	*/
jtulach@162	55	protected abstract void requireScript(String resourcePath);
jaroslav@213	56
jaroslav@213	57	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	58	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	59	* by <code>" = "</code>;
jaroslav@213	60	*
jaroslav@213	61	* @param className suggested name of the class
jaroslav@213	62	*/
jaroslav@274	63	/* protected */ String assignClass(String className) {
jaroslav@213	64	return className + " = ";
jaroslav@213	65	}
jaroslav@274	66	/* protected */ String accessClass(String classOperation) {
jaroslav@274	67	return classOperation;
jaroslav@274	68	}
jaroslav@399	69
jaroslav@399	70	/** Prints out a debug message.
jaroslav@399	71	*
jaroslav@399	72	* @param msg the message
jaroslav@399	73	* @return true if the message has been printed
jaroslav@399	74	* @throws IOException
jaroslav@399	75	*/
jaroslav@399	76	boolean debug(String msg) throws IOException {
jaroslav@399	77	out.append(msg);
jaroslav@399	78	return true;
jaroslav@399	79	}
jaroslav@18	80
jaroslav@18	81	/**
jaroslav@18	82	* Converts a given class file to a JavaScript version.
jaroslav@18	83	*
jaroslav@0	84	* @param classFile input stream with code of the .class file
jaroslav@97	85	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	86	*
jaroslav@0	87	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	88	*/
jaroslav@18	89
jtulach@162	90	public String compile(InputStream classFile) throws IOException {
jtulach@162	91	this.jc = new ClassData(classFile);
jaroslav@324	92	if (jc.getMajor_version() < 50) {
jaroslav@324	93	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	94	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	95	);
jaroslav@324	96	}
jaroslav@152	97	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	98	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	99	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	100	"resource", "processByteCode"
jaroslav@170	101	);
jaroslav@152	102	if (arr != null) {
jtulach@162	103	requireScript(arr[0]);
jaroslav@152	104	if ("0".equals(arr[1])) {
jaroslav@97	105	return null;
jaroslav@91	106	}
jaroslav@91	107	}
jaroslav@239	108	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	109	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	110	"container", "prototype"
jaroslav@239	111	);
jtulach@162	112	StringArray toInitilize = new StringArray();
jaroslav@151	113	final String className = className(jc);
jaroslav@213	114	out.append("\n\n").append(assignClass(className));
jaroslav@213	115	out.append("function CLS() {");
jaroslav@213	116	out.append("\n if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191	117	for (FieldData v : jc.getFields()) {
jtulach@191	118	if (v.isStatic()) {
jaroslav@213	119	out.append("\n CLS.").append(v.getName()).append(initField(v));
jtulach@191	120	}
jtulach@191	121	}
jaroslav@239	122	if (proto == null) {
jaroslav@239	123	String sc = jc.getSuperClassName(); // with _
jaroslav@230	124	out.append("\n var pp = ").
jaroslav@274	125	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	126	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	127	out.append("\n var c = p;");
jaroslav@230	128	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	129	} else {
jaroslav@240	130	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	131	if (proto[0] == null) {
jaroslav@316	132	proto[0] = "p";
jaroslav@316	133	}
jaroslav@239	134	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	135	out.append("\n var sprcls = null;");
jaroslav@13	136	}
jaroslav@151	137	for (MethodData m : jc.getMethods()) {
jaroslav@240	138	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	139	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	140	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	141	"name", "value"
jaroslav@240	142	);
jaroslav@240	143	if (only != null) {
jaroslav@240	144	if (only[0] != null && only[1] != null) {
jaroslav@240	145	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	146	.append(only[1]).append(";");
jaroslav@240	147	}
jaroslav@240	148	continue;
jaroslav@240	149	}
jaroslav@397	150	String prefix;
jaroslav@266	151	String mn;
jaroslav@203	152	if (m.isStatic()) {
jaroslav@397	153	prefix = "\n c.";
jaroslav@397	154	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	155	} else {
jaroslav@397	156	if (m.isConstructor()) {
jaroslav@397	157	prefix = "\n CLS.";
jaroslav@397	158	mn = generateInstanceMethod(prefix, m);
jaroslav@397	159	} else {
jaroslav@397	160	prefix = "\n c.";
jaroslav@397	161	mn = generateInstanceMethod(prefix, m);
jaroslav@397	162	}
jaroslav@266	163	}
jaroslav@266	164	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	165	if (runAnno != null) {
jaroslav@397	166	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	167	generateAnno(jc, out, runAnno);
jaroslav@266	168	out.append("\n };");
jaroslav@38	169	}
jaroslav@397	170	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38	171	}
jaroslav@239	172	out.append("\n c.constructor = CLS;");
jaroslav@239	173	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	174	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	175	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	176	}
jaroslav@274	177	out.append("\n CLS.$class = ");
jaroslav@274	178	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	179	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	180	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	181	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	182	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	183	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	184	if (classAnno != null) {
jaroslav@235	185	out.append("\n CLS.$class.anno = {");
jaroslav@235	186	generateAnno(jc, out, classAnno);
jaroslav@235	187	out.append("\n };");
jaroslav@235	188	}
jaroslav@204	189	out.append("\n }");
jaroslav@205	190	out.append("\n if (arguments.length === 0) {");
jaroslav@226	191	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	192	out.append("\n return new CLS();");
jaroslav@226	193	out.append("\n }");
jaroslav@205	194	for (FieldData v : jc.getFields()) {
jaroslav@240	195	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	196	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	197	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	198	"name", "value"
jaroslav@240	199	);
jaroslav@240	200	if (only != null) {
jaroslav@240	201	if (only[0] != null && only[1] != null) {
jaroslav@240	202	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	203	.append(only[1]).append(";");
jaroslav@240	204	}
jaroslav@240	205	continue;
jaroslav@240	206	}
jaroslav@205	207	if (!v.isStatic()) {
jaroslav@205	208	out.append("\n this.fld_").
jaroslav@205	209	append(v.getName()).append(initField(v));
jaroslav@205	210	}
jaroslav@205	211	}
jaroslav@205	212	out.append("\n return this;");
jaroslav@205	213	out.append("\n }");
jaroslav@224	214	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98	215	out.append("\n}");
jaroslav@97	216	StringBuilder sb = new StringBuilder();
jtulach@162	217	for (String init : toInitilize.toArray()) {
jaroslav@97	218	sb.append("\n").append(init).append("();");
jaroslav@21	219	}
jaroslav@97	220	return sb.toString();
jaroslav@0	221	}
jaroslav@266	222	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	223	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	224	if (jsb != null) {
jaroslav@266	225	return jsb;
jaroslav@94	226	}
lubomir@307	227	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	228	if (mn.equals("class__V")) {
jaroslav@274	229	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	230	}
lubomir@307	231	generateMethod(prefix, mn, m);
jaroslav@266	232	return mn;
jaroslav@10	233	}
lubomir@307	234
jaroslav@266	235	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	236	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	237	if (jsb != null) {
jaroslav@266	238	return jsb;
jaroslav@94	239	}
lubomir@307	240	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	241	generateMethod(prefix, mn, m);
jaroslav@266	242	return mn;
jaroslav@0	243	}
jaroslav@0	244
lubomir@307	245	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	246	throws IOException {
lubomir@307	247	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	248	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	249	final LocalsMapper lmapper =
lubomir@307	250	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	251
lubomir@307	252	out.append(prefix).append(name).append(" = function(");
jaroslav@442	253	lmapper.outputArguments(out, m.isStatic());
lubomir@307	254	out.append(") {").append("\n");
lubomir@307	255
lubomir@221	256	final byte[] byteCodes = m.getCode();
lubomir@307	257	if (byteCodes == null) {
lubomir@307	258	out.append(" throw 'no code found for ")
jaroslav@424	259	.append(jc.getClassName()).append('.')
jaroslav@424	260	.append(m.getName()).append("';\n");
lubomir@307	261	out.append("};");
lubomir@307	262	return;
lubomir@307	263	}
lubomir@307	264
lubomir@307	265	final StackMapper smapper = new StackMapper();
lubomir@307	266
jaroslav@442	267	if (!m.isStatic()) {
jaroslav@442	268	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	269	}
lubomir@221	270
lubomir@221	271	int lastStackFrame = -1;
jaroslav@398	272	TrapData[] previousTrap = null;
lubomir@585	273	boolean wide = false;
jaroslav@398	274
jaroslav@10	275	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	276	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	277	int prev = i;
lubomir@221	278	stackMapIterator.advanceTo(i);
jaroslav@398	279	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	280	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	281	if (previousTrap != null) {
jaroslav@398	282	generateCatch(previousTrap);
jaroslav@398	283	previousTrap = null;
jaroslav@398	284	}
jaroslav@398	285	}
lubomir@221	286	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	287	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	288	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	289	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	290	out.append(" case " + i).append(": ");
jaroslav@398	291	changeInCatch = true;
lubomir@221	292	} else {
jaroslav@399	293	debug(" /* " + i + " */ ");
lubomir@221	294	}
jaroslav@398	295	if (changeInCatch && trap.useTry()) {
tzezula@285	296	out.append("try {");
jaroslav@398	297	previousTrap = trap.current();
tzezula@285	298	}
lubomir@585	299	final int c = readUByte(byteCodes, i);
jaroslav@0	300	switch (c) {
jaroslav@151	301	case opc_aload_0:
lubomir@474	302	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	303	break;
jaroslav@151	304	case opc_iload_0:
lubomir@474	305	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	306	break;
jaroslav@151	307	case opc_lload_0:
lubomir@474	308	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	309	break;
jaroslav@151	310	case opc_fload_0:
lubomir@474	311	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	312	break;
jaroslav@151	313	case opc_dload_0:
lubomir@474	314	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	315	break;
jaroslav@151	316	case opc_aload_1:
lubomir@474	317	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	318	break;
jaroslav@151	319	case opc_iload_1:
lubomir@474	320	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	321	break;
jaroslav@151	322	case opc_lload_1:
lubomir@474	323	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	324	break;
jaroslav@151	325	case opc_fload_1:
lubomir@474	326	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	327	break;
jaroslav@151	328	case opc_dload_1:
lubomir@474	329	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	330	break;
jaroslav@151	331	case opc_aload_2:
lubomir@474	332	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	333	break;
jaroslav@151	334	case opc_iload_2:
lubomir@474	335	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	336	break;
jaroslav@151	337	case opc_lload_2:
lubomir@474	338	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	339	break;
jaroslav@151	340	case opc_fload_2:
lubomir@474	341	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	342	break;
jaroslav@151	343	case opc_dload_2:
lubomir@474	344	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	345	break;
jaroslav@151	346	case opc_aload_3:
lubomir@474	347	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	348	break;
jaroslav@151	349	case opc_iload_3:
lubomir@474	350	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	351	break;
jaroslav@151	352	case opc_lload_3:
lubomir@474	353	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	354	break;
jaroslav@151	355	case opc_fload_3:
lubomir@474	356	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	357	break;
jaroslav@151	358	case opc_dload_3:
lubomir@474	359	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	360	break;
lubomir@281	361	case opc_iload: {
lubomir@585	362	++i;
lubomir@585	363	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	364	: readUByte(byteCodes, i);
lubomir@585	365	wide = false;
lubomir@474	366	emit(out, "var @1 = @2;",
lubomir@474	367	smapper.pushI(), lmapper.getI(indx));
lubomir@281	368	break;
lubomir@281	369	}
lubomir@281	370	case opc_lload: {
lubomir@585	371	++i;
lubomir@585	372	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	373	: readUByte(byteCodes, i);
lubomir@585	374	wide = false;
lubomir@474	375	emit(out, "var @1 = @2;",
lubomir@474	376	smapper.pushL(), lmapper.getL(indx));
lubomir@281	377	break;
lubomir@281	378	}
lubomir@281	379	case opc_fload: {
lubomir@585	380	++i;
lubomir@585	381	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	382	: readUByte(byteCodes, i);
lubomir@585	383	wide = false;
lubomir@474	384	emit(out, "var @1 = @2;",
lubomir@474	385	smapper.pushF(), lmapper.getF(indx));
lubomir@281	386	break;
lubomir@281	387	}
lubomir@281	388	case opc_dload: {
lubomir@585	389	++i;
lubomir@585	390	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	391	: readUByte(byteCodes, i);
lubomir@585	392	wide = false;
lubomir@474	393	emit(out, "var @1 = @2;",
lubomir@474	394	smapper.pushD(), lmapper.getD(indx));
lubomir@281	395	break;
lubomir@281	396	}
jaroslav@151	397	case opc_aload: {
lubomir@585	398	++i;
lubomir@585	399	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	400	: readUByte(byteCodes, i);
lubomir@585	401	wide = false;
lubomir@474	402	emit(out, "var @1 = @2;",
lubomir@474	403	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	404	break;
jaroslav@3	405	}
lubomir@281	406	case opc_istore: {
lubomir@585	407	++i;
lubomir@585	408	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	409	: readUByte(byteCodes, i);
lubomir@585	410	wide = false;
lubomir@474	411	emit(out, "var @1 = @2;",
lubomir@474	412	lmapper.setI(indx), smapper.popI());
lubomir@281	413	break;
lubomir@281	414	}
lubomir@281	415	case opc_lstore: {
lubomir@585	416	++i;
lubomir@585	417	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	418	: readUByte(byteCodes, i);
lubomir@585	419	wide = false;
lubomir@474	420	emit(out, "var @1 = @2;",
lubomir@474	421	lmapper.setL(indx), smapper.popL());
lubomir@281	422	break;
lubomir@281	423	}
lubomir@281	424	case opc_fstore: {
lubomir@585	425	++i;
lubomir@585	426	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	427	: readUByte(byteCodes, i);
lubomir@585	428	wide = false;
lubomir@474	429	emit(out, "var @1 = @2;",
lubomir@474	430	lmapper.setF(indx), smapper.popF());
lubomir@281	431	break;
lubomir@281	432	}
lubomir@281	433	case opc_dstore: {
lubomir@585	434	++i;
lubomir@585	435	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	436	: readUByte(byteCodes, i);
lubomir@585	437	wide = false;
lubomir@474	438	emit(out, "var @1 = @2;",
lubomir@474	439	lmapper.setD(indx), smapper.popD());
lubomir@281	440	break;
lubomir@281	441	}
jaroslav@151	442	case opc_astore: {
lubomir@585	443	++i;
lubomir@585	444	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	445	: readUByte(byteCodes, i);
lubomir@585	446	wide = false;
lubomir@474	447	emit(out, "var @1 = @2;",
lubomir@474	448	lmapper.setA(indx), smapper.popA());
jaroslav@31	449	break;
jaroslav@31	450	}
jaroslav@151	451	case opc_astore_0:
lubomir@474	452	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	453	break;
jaroslav@151	454	case opc_istore_0:
lubomir@474	455	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	456	break;
jaroslav@151	457	case opc_lstore_0:
lubomir@474	458	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	459	break;
jaroslav@151	460	case opc_fstore_0:
lubomir@474	461	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	462	break;
jaroslav@151	463	case opc_dstore_0:
lubomir@474	464	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	465	break;
jaroslav@151	466	case opc_astore_1:
lubomir@474	467	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	468	break;
jaroslav@151	469	case opc_istore_1:
lubomir@474	470	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	471	break;
jaroslav@151	472	case opc_lstore_1:
lubomir@474	473	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	474	break;
jaroslav@151	475	case opc_fstore_1:
lubomir@474	476	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	477	break;
jaroslav@151	478	case opc_dstore_1:
lubomir@474	479	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	480	break;
jaroslav@151	481	case opc_astore_2:
lubomir@474	482	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	483	break;
jaroslav@151	484	case opc_istore_2:
lubomir@474	485	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	486	break;
jaroslav@151	487	case opc_lstore_2:
lubomir@474	488	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	489	break;
jaroslav@151	490	case opc_fstore_2:
lubomir@474	491	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	492	break;
jaroslav@151	493	case opc_dstore_2:
lubomir@474	494	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	495	break;
jaroslav@151	496	case opc_astore_3:
lubomir@474	497	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	498	break;
jaroslav@151	499	case opc_istore_3:
lubomir@474	500	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	501	break;
jaroslav@151	502	case opc_lstore_3:
lubomir@474	503	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	504	break;
jaroslav@151	505	case opc_fstore_3:
lubomir@474	506	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	507	break;
jaroslav@151	508	case opc_dstore_3:
lubomir@474	509	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	510	break;
jaroslav@151	511	case opc_iadd:
Martin@445	512	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	513	break;
jaroslav@151	514	case opc_ladd:
lubomir@307	515	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	516	break;
jaroslav@151	517	case opc_fadd:
lubomir@307	518	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	519	break;
jaroslav@151	520	case opc_dadd:
lubomir@307	521	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	522	break;
jaroslav@151	523	case opc_isub:
Martin@445	524	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	525	break;
jaroslav@151	526	case opc_lsub:
lubomir@307	527	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	528	break;
jaroslav@151	529	case opc_fsub:
lubomir@307	530	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	531	break;
jaroslav@151	532	case opc_dsub:
lubomir@307	533	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	534	break;
jaroslav@151	535	case opc_imul:
Martin@445	536	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	537	break;
jaroslav@151	538	case opc_lmul:
lubomir@307	539	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	540	break;
jaroslav@151	541	case opc_fmul:
lubomir@307	542	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	543	break;
jaroslav@151	544	case opc_dmul:
lubomir@307	545	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	546	break;
jaroslav@151	547	case opc_idiv:
lubomir@283	548	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	549	smapper.getI(1), smapper.popI());
lubomir@281	550	break;
jaroslav@151	551	case opc_ldiv:
lubomir@283	552	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	553	smapper.getL(1), smapper.popL());
jaroslav@3	554	break;
jaroslav@151	555	case opc_fdiv:
lubomir@307	556	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	557	break;
jaroslav@151	558	case opc_ddiv:
lubomir@307	559	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	560	break;
jaroslav@178	561	case opc_irem:
lubomir@307	562	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	563	break;
jaroslav@178	564	case opc_lrem:
lubomir@307	565	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	566	break;
jaroslav@178	567	case opc_frem:
lubomir@307	568	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	569	break;
jaroslav@178	570	case opc_drem:
lubomir@307	571	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	572	break;
jaroslav@151	573	case opc_iand:
lubomir@307	574	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	575	break;
jaroslav@151	576	case opc_land:
lubomir@307	577	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	578	break;
jaroslav@151	579	case opc_ior:
lubomir@307	580	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	581	break;
jaroslav@151	582	case opc_lor:
lubomir@307	583	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	584	break;
jaroslav@151	585	case opc_ixor:
lubomir@307	586	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	587	break;
jaroslav@151	588	case opc_lxor:
lubomir@307	589	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	590	break;
jaroslav@151	591	case opc_ineg:
lubomir@307	592	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	593	break;
jaroslav@151	594	case opc_lneg:
lubomir@307	595	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	596	break;
jaroslav@151	597	case opc_fneg:
lubomir@307	598	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	599	break;
jaroslav@151	600	case opc_dneg:
lubomir@307	601	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	602	break;
jaroslav@151	603	case opc_ishl:
lubomir@307	604	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	605	break;
jaroslav@151	606	case opc_lshl:
lubomir@307	607	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	608	break;
jaroslav@151	609	case opc_ishr:
lubomir@307	610	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	611	break;
jaroslav@151	612	case opc_lshr:
lubomir@307	613	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	614	break;
jaroslav@151	615	case opc_iushr:
lubomir@307	616	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	617	break;
jaroslav@151	618	case opc_lushr:
lubomir@307	619	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	620	break;
jaroslav@151	621	case opc_iinc: {
lubomir@585	622	++i;
lubomir@585	623	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	624	: readUByte(byteCodes, i);
lubomir@585	625	++i;
lubomir@585	626	final int incrBy = wide ? readIntArg(byteCodes, i++)
lubomir@585	627	: byteCodes[i];
lubomir@585	628	wide = false;
jaroslav@5	629	if (incrBy == 1) {
lubomir@307	630	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	631	} else {
lubomir@307	632	emit(out, "@1 += @2;",
lubomir@307	633	lmapper.getI(varIndx),
lubomir@283	634	Integer.toString(incrBy));
jaroslav@5	635	}
jaroslav@5	636	break;
jaroslav@5	637	}
jaroslav@151	638	case opc_return:
lubomir@283	639	emit(out, "return;");
jaroslav@10	640	break;
jaroslav@151	641	case opc_ireturn:
lubomir@307	642	emit(out, "return @1;", smapper.popI());
lubomir@281	643	break;
jaroslav@151	644	case opc_lreturn:
lubomir@307	645	emit(out, "return @1;", smapper.popL());
lubomir@281	646	break;
jaroslav@151	647	case opc_freturn:
lubomir@307	648	emit(out, "return @1;", smapper.popF());
lubomir@281	649	break;
jaroslav@151	650	case opc_dreturn:
lubomir@307	651	emit(out, "return @1;", smapper.popD());
lubomir@281	652	break;
jaroslav@151	653	case opc_areturn:
lubomir@307	654	emit(out, "return @1;", smapper.popA());
jaroslav@1	655	break;
jaroslav@151	656	case opc_i2l:
lubomir@474	657	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	658	break;
jaroslav@151	659	case opc_i2f:
lubomir@474	660	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	661	break;
jaroslav@151	662	case opc_i2d:
lubomir@474	663	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	664	break;
jaroslav@151	665	case opc_l2i:
lubomir@474	666	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	667	break;
jaroslav@3	668	// max int check?
jaroslav@151	669	case opc_l2f:
lubomir@474	670	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	671	break;
jaroslav@151	672	case opc_l2d:
lubomir@474	673	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	674	break;
jaroslav@151	675	case opc_f2d:
lubomir@474	676	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	677	break;
jaroslav@151	678	case opc_d2f:
lubomir@474	679	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	680	break;
jaroslav@151	681	case opc_f2i:
lubomir@474	682	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	683	smapper.popF(), smapper.pushI());
lubomir@281	684	break;
jaroslav@151	685	case opc_f2l:
lubomir@474	686	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	687	smapper.popF(), smapper.pushL());
lubomir@281	688	break;
jaroslav@151	689	case opc_d2i:
lubomir@474	690	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	691	smapper.popD(), smapper.pushI());
lubomir@281	692	break;
jaroslav@151	693	case opc_d2l:
lubomir@474	694	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	695	smapper.popD(), smapper.pushL());
jaroslav@3	696	break;
jaroslav@151	697	case opc_i2b:
lubomir@474	698	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	699	break;
jaroslav@151	700	case opc_i2c:
Martin@439	701	out.append("{ /* number conversion */ }");
Martin@439	702	break;
jaroslav@151	703	case opc_i2s:
lubomir@474	704	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	705	break;
jaroslav@151	706	case opc_aconst_null:
lubomir@474	707	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	708	break;
jaroslav@151	709	case opc_iconst_m1:
lubomir@474	710	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	711	break;
jaroslav@151	712	case opc_iconst_0:
lubomir@474	713	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	714	break;
jaroslav@151	715	case opc_dconst_0:
lubomir@474	716	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	717	break;
jaroslav@151	718	case opc_lconst_0:
lubomir@474	719	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	720	break;
jaroslav@151	721	case opc_fconst_0:
lubomir@474	722	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	723	break;
jaroslav@151	724	case opc_iconst_1:
lubomir@474	725	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	726	break;
jaroslav@151	727	case opc_lconst_1:
lubomir@474	728	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	729	break;
jaroslav@151	730	case opc_fconst_1:
lubomir@474	731	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	732	break;
jaroslav@151	733	case opc_dconst_1:
lubomir@474	734	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	735	break;
jaroslav@151	736	case opc_iconst_2:
lubomir@474	737	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	738	break;
jaroslav@151	739	case opc_fconst_2:
lubomir@474	740	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	741	break;
jaroslav@151	742	case opc_iconst_3:
lubomir@474	743	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	744	break;
jaroslav@151	745	case opc_iconst_4:
lubomir@474	746	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	747	break;
jaroslav@151	748	case opc_iconst_5:
lubomir@474	749	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	750	break;
jaroslav@151	751	case opc_ldc: {
lubomir@585	752	int indx = readUByte(byteCodes, ++i);
jaroslav@151	753	String v = encodeConstant(indx);
lubomir@307	754	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	755	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	756	break;
jaroslav@20	757	}
jaroslav@151	758	case opc_ldc_w:
jaroslav@151	759	case opc_ldc2_w: {
jaroslav@8	760	int indx = readIntArg(byteCodes, i);
jaroslav@8	761	i += 2;
jaroslav@151	762	String v = encodeConstant(indx);
lubomir@307	763	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	764	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@8	765	break;
jaroslav@8	766	}
jaroslav@151	767	case opc_lcmp:
lubomir@474	768	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	769	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	770	break;
jaroslav@151	771	case opc_fcmpl:
jaroslav@151	772	case opc_fcmpg:
lubomir@474	773	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	774	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	775	break;
jaroslav@151	776	case opc_dcmpl:
lubomir@281	777	case opc_dcmpg:
lubomir@474	778	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	779	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	780	break;
jaroslav@151	781	case opc_if_acmpeq:
lubomir@307	782	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	783	"===");
jaroslav@104	784	break;
jaroslav@151	785	case opc_if_acmpne:
lubomir@307	786	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	787	"!=");
jaroslav@104	788	break;
lubomir@283	789	case opc_if_icmpeq:
lubomir@307	790	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	791	"==");
jaroslav@4	792	break;
jaroslav@151	793	case opc_ifeq: {
jaroslav@7	794	int indx = i + readIntArg(byteCodes, i);
lubomir@283	795	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	796	smapper.popI(), Integer.toString(indx));
jaroslav@7	797	i += 2;
jaroslav@7	798	break;
jaroslav@7	799	}
jaroslav@151	800	case opc_ifne: {
jaroslav@20	801	int indx = i + readIntArg(byteCodes, i);
lubomir@283	802	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	803	smapper.popI(), Integer.toString(indx));
jaroslav@20	804	i += 2;
jaroslav@20	805	break;
jaroslav@20	806	}
jaroslav@151	807	case opc_iflt: {
jaroslav@20	808	int indx = i + readIntArg(byteCodes, i);
lubomir@283	809	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	810	smapper.popI(), Integer.toString(indx));
jaroslav@20	811	i += 2;
jaroslav@20	812	break;
jaroslav@20	813	}
jaroslav@151	814	case opc_ifle: {
jaroslav@20	815	int indx = i + readIntArg(byteCodes, i);
lubomir@283	816	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	817	smapper.popI(), Integer.toString(indx));
jaroslav@20	818	i += 2;
jaroslav@20	819	break;
jaroslav@20	820	}
jaroslav@151	821	case opc_ifgt: {
jaroslav@20	822	int indx = i + readIntArg(byteCodes, i);
lubomir@283	823	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	824	smapper.popI(), Integer.toString(indx));
jaroslav@20	825	i += 2;
jaroslav@20	826	break;
jaroslav@20	827	}
jaroslav@151	828	case opc_ifge: {
jaroslav@20	829	int indx = i + readIntArg(byteCodes, i);
lubomir@283	830	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	831	smapper.popI(), Integer.toString(indx));
jaroslav@20	832	i += 2;
jaroslav@20	833	break;
jaroslav@20	834	}
jaroslav@151	835	case opc_ifnonnull: {
jaroslav@16	836	int indx = i + readIntArg(byteCodes, i);
lubomir@283	837	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	838	smapper.popA(), Integer.toString(indx));
jaroslav@16	839	i += 2;
jaroslav@16	840	break;
jaroslav@16	841	}
jaroslav@151	842	case opc_ifnull: {
jaroslav@16	843	int indx = i + readIntArg(byteCodes, i);
lubomir@283	844	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	845	smapper.popA(), Integer.toString(indx));
jaroslav@16	846	i += 2;
jaroslav@16	847	break;
jaroslav@16	848	}
jaroslav@151	849	case opc_if_icmpne:
lubomir@307	850	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	851	"!=");
jaroslav@4	852	break;
jaroslav@151	853	case opc_if_icmplt:
lubomir@307	854	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	855	"<");
jaroslav@4	856	break;
jaroslav@151	857	case opc_if_icmple:
lubomir@307	858	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	859	"<=");
jaroslav@4	860	break;
jaroslav@151	861	case opc_if_icmpgt:
lubomir@307	862	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	863	">");
jaroslav@4	864	break;
jaroslav@151	865	case opc_if_icmpge:
lubomir@307	866	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	867	">=");
jaroslav@4	868	break;
jaroslav@151	869	case opc_goto: {
jaroslav@5	870	int indx = i + readIntArg(byteCodes, i);
lubomir@283	871	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	872	i += 2;
jaroslav@5	873	break;
jaroslav@5	874	}
jaroslav@151	875	case opc_lookupswitch: {
jtulach@128	876	int table = i / 4 * 4 + 4;
jaroslav@115	877	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	878	table += 4;
jaroslav@115	879	int n = readInt4(byteCodes, table);
jaroslav@115	880	table += 4;
lubomir@307	881	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	882	while (n-- > 0) {
jaroslav@115	883	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	884	table += 4;
jaroslav@115	885	int offset = i + readInt4(byteCodes, table);
jaroslav@115	886	table += 4;
jaroslav@115	887	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	888	}
jaroslav@115	889	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	890	i = table - 1;
jaroslav@115	891	break;
jaroslav@115	892	}
jaroslav@151	893	case opc_tableswitch: {
jtulach@128	894	int table = i / 4 * 4 + 4;
jaroslav@115	895	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	896	table += 4;
jaroslav@115	897	int low = readInt4(byteCodes, table);
jaroslav@115	898	table += 4;
jaroslav@115	899	int high = readInt4(byteCodes, table);
jaroslav@115	900	table += 4;
lubomir@307	901	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	902	while (low <= high) {
jaroslav@115	903	int offset = i + readInt4(byteCodes, table);
jaroslav@115	904	table += 4;
jaroslav@115	905	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	906	low++;
jaroslav@115	907	}
jaroslav@115	908	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	909	i = table - 1;
jaroslav@115	910	break;
jaroslav@115	911	}
jaroslav@151	912	case opc_invokeinterface: {
lubomir@307	913	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	914	break;
jaroslav@46	915	}
jaroslav@151	916	case opc_invokevirtual:
lubomir@307	917	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	918	break;
jaroslav@151	919	case opc_invokespecial:
lubomir@307	920	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	921	break;
jaroslav@151	922	case opc_invokestatic:
lubomir@307	923	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	924	break;
jaroslav@151	925	case opc_new: {
jaroslav@8	926	int indx = readIntArg(byteCodes, i);
jaroslav@151	927	String ci = jc.getClassName(indx);
lubomir@474	928	emit(out, "var @1 = new @2;",
lubomir@317	929	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	930	addReference(ci);
jaroslav@8	931	i += 2;
jaroslav@8	932	break;
jaroslav@8	933	}
lubomir@283	934	case opc_newarray:
lubomir@585	935	int atype = readUByte(byteCodes, ++i);
jaroslav@448	936	String jvmType;
jaroslav@448	937	switch (atype) {
jaroslav@448	938	case 4: jvmType = "[Z"; break;
jaroslav@448	939	case 5: jvmType = "[C"; break;
jaroslav@448	940	case 6: jvmType = "[F"; break;
jaroslav@448	941	case 7: jvmType = "[D"; break;
jaroslav@448	942	case 8: jvmType = "[B"; break;
jaroslav@448	943	case 9: jvmType = "[S"; break;
jaroslav@448	944	case 10: jvmType = "[I"; break;
jaroslav@448	945	case 11: jvmType = "[J"; break;
jaroslav@448	946	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@448	947	}
lubomir@474	948	emit(out, "var @2 = new Array(@1).initWith('@3', 0);",
jaroslav@448	949	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@21	950	break;
jaroslav@448	951	case opc_anewarray: {
jaroslav@448	952	int type = readIntArg(byteCodes, i);
jaroslav@448	953	i += 2;
jaroslav@448	954	String typeName = jc.getClassName(type);
jaroslav@448	955	if (typeName.startsWith("[")) {
jaroslav@448	956	typeName = "[" + typeName;
jaroslav@448	957	} else {
jaroslav@448	958	typeName = "[L" + typeName + ";";
jaroslav@448	959	}
lubomir@474	960	emit(out, "var @2 = new Array(@1).initWith('@3', null);",
jaroslav@448	961	smapper.popI(), smapper.pushA(), typeName);
jaroslav@21	962	break;
jaroslav@448	963	}
jaroslav@151	964	case opc_multianewarray: {
jaroslav@448	965	int type = readIntArg(byteCodes, i);
jtulach@128	966	i += 2;
jaroslav@448	967	String typeName = jc.getClassName(type);
lubomir@585	968	int dim = readUByte(byteCodes, ++i);
lubomir@307	969	out.append("{ var a0 = new Array(").append(smapper.popI())
jaroslav@456	970	.append(").initWith('").append(typeName).append("', null);");
jtulach@128	971	for (int d = 1; d < dim; d++) {
jaroslav@453	972	typeName = typeName.substring(1);
lubomir@221	973	out.append("\n var l" + d).append(" = ")
lubomir@307	974	.append(smapper.popI()).append(';');
jtulach@128	975	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	976	append(" < a" + (d - 1)).
jtulach@128	977	append(".length; i" + d).append("++) {");
jtulach@128	978	out.append("\n var a" + d).
jaroslav@456	979	append (" = new Array(l" + d).append(").initWith('")
jaroslav@457	980	.append(typeName).append("', ")
jaroslav@457	981	.append(typeName.length() == 2 ? "0" : "null").append(");");
jtulach@128	982	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	983	append(";");
jtulach@128	984	}
jtulach@128	985	for (int d = 1; d < dim; d++) {
jtulach@128	986	out.append("\n }");
jtulach@128	987	}
lubomir@474	988	out.append("\nvar ").append(smapper.pushA())
lubomir@474	989	.append(" = a0; }");
jtulach@128	990	break;
jtulach@128	991	}
jaroslav@151	992	case opc_arraylength:
lubomir@474	993	emit(out, "var @2 = @1.length;",
lubomir@474	994	smapper.popA(), smapper.pushI());
jaroslav@272	995	break;
lubomir@283	996	case opc_lastore:
jaroslav@459	997	emit(out, "@3.at(@2, @1);",
lubomir@307	998	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	999	break;
lubomir@283	1000	case opc_fastore:
jaroslav@459	1001	emit(out, "@3.at(@2, @1);",
lubomir@307	1002	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	1003	break;
lubomir@283	1004	case opc_dastore:
jaroslav@459	1005	emit(out, "@3.at(@2, @1);",
lubomir@307	1006	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	1007	break;
lubomir@283	1008	case opc_aastore:
jaroslav@459	1009	emit(out, "@3.at(@2, @1);",
lubomir@307	1010	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	1011	break;
jaroslav@151	1012	case opc_iastore:
jaroslav@151	1013	case opc_bastore:
jaroslav@151	1014	case opc_castore:
lubomir@283	1015	case opc_sastore:
jaroslav@459	1016	emit(out, "@3.at(@2, @1);",
lubomir@307	1017	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	1018	break;
lubomir@283	1019	case opc_laload:
lubomir@474	1020	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1021	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	1022	break;
lubomir@283	1023	case opc_faload:
lubomir@474	1024	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1025	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1026	break;
lubomir@283	1027	case opc_daload:
lubomir@474	1028	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1029	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1030	break;
lubomir@283	1031	case opc_aaload:
lubomir@474	1032	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1033	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1034	break;
jaroslav@272	1035	case opc_iaload:
jaroslav@272	1036	case opc_baload:
jaroslav@272	1037	case opc_caload:
lubomir@283	1038	case opc_saload:
lubomir@474	1039	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1040	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1041	break;
lubomir@221	1042	case opc_pop:
jaroslav@272	1043	case opc_pop2:
lubomir@307	1044	smapper.pop(1);
jaroslav@399	1045	debug("/* pop */");
jaroslav@272	1046	break;
lubomir@281	1047	case opc_dup: {
lubomir@307	1048	final Variable v = smapper.get(0);
lubomir@474	1049	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1050	break;
jaroslav@21	1051	}
lubomir@281	1052	case opc_dup2: {
lubomir@585	1053	final Variable vi1 = smapper.get(0);
lubomir@585	1054
lubomir@585	1055	if (vi1.isCategory2()) {
lubomir@474	1056	emit(out, "var @1 = @2;",
lubomir@585	1057	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1058	} else {
lubomir@585	1059	final Variable vi2 = smapper.get(1);
lubomir@474	1060	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1061	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1062	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1063	}
jaroslav@21	1064	break;
jaroslav@21	1065	}
lubomir@281	1066	case opc_dup_x1: {
lubomir@307	1067	final Variable vi1 = smapper.pop();
lubomir@307	1068	final Variable vi2 = smapper.pop();
lubomir@307	1069	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1070	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1071	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1072
lubomir@474	1073	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1074	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1075	break;
lubomir@281	1076	}
lubomir@585	1077	case opc_dup2_x1: {
lubomir@585	1078	final Variable vi1 = smapper.pop();
lubomir@585	1079	final Variable vi2 = smapper.pop();
lubomir@585	1080
lubomir@585	1081	if (vi1.isCategory2()) {
lubomir@307	1082	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1083	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1084	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1085
lubomir@474	1086	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1087	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1088	} else {
lubomir@585	1089	final Variable vi3 = smapper.pop();
lubomir@585	1090	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1091	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1092	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1093	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1094	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1095
lubomir@585	1096	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1097	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1098	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1099	vo4, vo1, vo5, vo2);
lubomir@585	1100	}
lubomir@585	1101	break;
lubomir@585	1102	}
lubomir@585	1103	case opc_dup_x2: {
lubomir@585	1104	final Variable vi1 = smapper.pop();
lubomir@585	1105	final Variable vi2 = smapper.pop();
lubomir@585	1106
lubomir@585	1107	if (vi2.isCategory2()) {
lubomir@585	1108	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1109	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1110	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1111
lubomir@585	1112	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1113	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1114	} else {
lubomir@307	1115	final Variable vi3 = smapper.pop();
lubomir@307	1116	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1117	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1118	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1119	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1120
lubomir@474	1121	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1122	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1123	}
jaroslav@8	1124	break;
lubomir@281	1125	}
lubomir@585	1126	case opc_dup2_x2: {
lubomir@585	1127	final Variable vi1 = smapper.pop();
lubomir@585	1128	final Variable vi2 = smapper.pop();
lubomir@585	1129
lubomir@585	1130	if (vi1.isCategory2()) {
lubomir@585	1131	if (vi2.isCategory2()) {
lubomir@585	1132	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1133	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1134	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1135
lubomir@585	1136	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1137	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1138	} else {
lubomir@585	1139	final Variable vi3 = smapper.pop();
lubomir@585	1140	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1141	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1142	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1143	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1144
lubomir@585	1145	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1146	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1147	}
lubomir@585	1148	} else {
lubomir@585	1149	final Variable vi3 = smapper.pop();
lubomir@585	1150
lubomir@585	1151	if (vi3.isCategory2()) {
lubomir@585	1152	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1153	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1154	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1155	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1156	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1157
lubomir@585	1158	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1159	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1160	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1161	vo4, vo1, vo5, vo2);
lubomir@585	1162	} else {
lubomir@585	1163	final Variable vi4 = smapper.pop();
lubomir@585	1164	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1165	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1166	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1167	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1168	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1169	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1170
lubomir@585	1171	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1172	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1173	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1174	vo5, vo1, vo6, vo2);
lubomir@585	1175	}
lubomir@585	1176	}
lubomir@585	1177	break;
lubomir@585	1178	}
lubomir@585	1179	case opc_swap: {
lubomir@585	1180	final Variable vi1 = smapper.get(0);
lubomir@585	1181	final Variable vi2 = smapper.get(1);
lubomir@585	1182
lubomir@585	1183	if (vi1.getType() == vi2.getType()) {
lubomir@585	1184	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1185
lubomir@585	1186	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1187	tmp, vi1, vi2);
lubomir@585	1188	smapper.pop(1);
lubomir@585	1189	} else {
lubomir@585	1190	smapper.pop(2);
lubomir@585	1191	smapper.pushT(vi1.getType());
lubomir@585	1192	smapper.pushT(vi2.getType());
lubomir@585	1193	}
lubomir@585	1194	break;
lubomir@585	1195	}
jaroslav@151	1196	case opc_bipush:
lubomir@474	1197	emit(out, "var @1 = @2;",
lubomir@307	1198	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1199	break;
jaroslav@151	1200	case opc_sipush:
lubomir@474	1201	emit(out, "var @1 = @2;",
lubomir@307	1202	smapper.pushI(),
lubomir@283	1203	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1204	i += 2;
jaroslav@31	1205	break;
jaroslav@151	1206	case opc_getfield: {
jaroslav@8	1207	int indx = readIntArg(byteCodes, i);
jaroslav@151	1208	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1209	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@474	1210	emit(out, "var @2 = @1.fld_@3;",
lubomir@307	1211	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1212	i += 2;
jaroslav@8	1213	break;
jaroslav@8	1214	}
jaroslav@151	1215	case opc_getstatic: {
jaroslav@9	1216	int indx = readIntArg(byteCodes, i);
jaroslav@151	1217	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1218	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@474	1219	emit(out, "var @1 = @2(false).constructor.@3;",
lubomir@317	1220	smapper.pushT(type),
lubomir@317	1221	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1222	i += 2;
jaroslav@151	1223	addReference(fi[0]);
jaroslav@9	1224	break;
jaroslav@9	1225	}
jaroslav@151	1226	case opc_putfield: {
jaroslav@10	1227	int indx = readIntArg(byteCodes, i);
jaroslav@151	1228	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1229	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1230	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1231	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1232	i += 2;
jaroslav@10	1233	break;
jaroslav@10	1234	}
lubomir@281	1235	case opc_putstatic: {
lubomir@281	1236	int indx = readIntArg(byteCodes, i);
lubomir@281	1237	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1238	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1239	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1240	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1241	smapper.popT(type));
lubomir@281	1242	i += 2;
lubomir@281	1243	addReference(fi[0]);
lubomir@281	1244	break;
lubomir@281	1245	}
jaroslav@151	1246	case opc_checkcast: {
jaroslav@30	1247	int indx = readIntArg(byteCodes, i);
jaroslav@151	1248	final String type = jc.getClassName(indx);
jaroslav@42	1249	if (!type.startsWith("[")) {
jaroslav@42	1250	// no way to check arrays right now
lubomir@283	1251	// XXX proper exception
lubomir@317	1252	emit(out,
lubomir@317	1253	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1254	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1255	}
jaroslav@30	1256	i += 2;
jaroslav@30	1257	break;
jaroslav@30	1258	}
jaroslav@151	1259	case opc_instanceof: {
jaroslav@17	1260	int indx = readIntArg(byteCodes, i);
jaroslav@151	1261	final String type = jc.getClassName(indx);
lubomir@474	1262	emit(out, "var @2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1263	smapper.popA(), smapper.pushI(),
lubomir@317	1264	type.replace('/', '_'));
jaroslav@17	1265	i += 2;
jaroslav@30	1266	break;
jaroslav@17	1267	}
jaroslav@151	1268	case opc_athrow: {
lubomir@307	1269	final Variable v = smapper.popA();
lubomir@307	1270	smapper.clear();
lubomir@281	1271
lubomir@474	1272	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1273	smapper.pushA(), v);
jaroslav@104	1274	break;
jaroslav@104	1275	}
lubomir@221	1276
lubomir@221	1277	case opc_monitorenter: {
lubomir@221	1278	out.append("/* monitor enter */");
lubomir@307	1279	smapper.popA();
lubomir@221	1280	break;
lubomir@221	1281	}
lubomir@221	1282
lubomir@221	1283	case opc_monitorexit: {
lubomir@221	1284	out.append("/* monitor exit */");
lubomir@307	1285	smapper.popA();
lubomir@221	1286	break;
lubomir@221	1287	}
lubomir@221	1288
lubomir@585	1289	case opc_wide:
lubomir@585	1290	wide = true;
lubomir@585	1291	break;
lubomir@585	1292
jaroslav@104	1293	default: {
lubomir@585	1294	wide = false;
lubomir@283	1295	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1296	Integer.toString(c));
jaroslav@104	1297	}
jaroslav@0	1298	}
jaroslav@399	1299	if (debug(" //")) {
jaroslav@399	1300	for (int j = prev; j <= i; j++) {
jaroslav@399	1301	out.append(" ");
lubomir@585	1302	final int cc = readUByte(byteCodes, j);
jaroslav@399	1303	out.append(Integer.toString(cc));
tzezula@285	1304	}
jaroslav@0	1305	}
tzezula@285	1306	out.append("\n");
jaroslav@0	1307	}
jaroslav@398	1308	if (previousTrap != null) {
jaroslav@398	1309	generateCatch(previousTrap);
jaroslav@398	1310	}
jaroslav@10	1311	out.append(" }\n");
lubomir@307	1312	out.append("};");
jaroslav@4	1313	}
jaroslav@4	1314
lubomir@281	1315	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1316	final Variable v2, final Variable v1,
lubomir@281	1317	final String test) throws IOException {
jaroslav@4	1318	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1319	out.append("if (").append(v1)
lubomir@221	1320	.append(' ').append(test).append(' ')
lubomir@281	1321	.append(v2).append(") { gt = " + indx)
lubomir@221	1322	.append("; continue; }");
jaroslav@4	1323	return i + 2;
jaroslav@4	1324	}
jaroslav@4	1325
jaroslav@4	1326	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1327	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1328	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1329	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1330	}
jaroslav@115	1331	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1332	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1333	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1334	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1335	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1336	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1337	}
lubomir@585	1338	private int readUByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1339	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1340	}
lubomir@585	1341
lubomir@585	1342	private int readUShort(byte[] byteCodes, int offsetInstruction) {
lubomir@585	1343	return ((byteCodes[offsetInstruction] & 0xff) << 8)
lubomir@585	1344	\| (byteCodes[offsetInstruction + 1] & 0xff);
lubomir@585	1345	}
lubomir@585	1346
lubomir@281	1347	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1348	int i = 0;
jaroslav@4	1349	Boolean count = null;
jaroslav@32	1350	boolean array = false;
jaroslav@248	1351	sig.append("__");
jaroslav@10	1352	int firstPos = sig.length();
jaroslav@4	1353	while (i < descriptor.length()) {
jaroslav@4	1354	char ch = descriptor.charAt(i++);
jaroslav@4	1355	switch (ch) {
jaroslav@4	1356	case '(':
jaroslav@4	1357	count = true;
jaroslav@4	1358	continue;
jaroslav@4	1359	case ')':
jaroslav@4	1360	count = false;
jaroslav@4	1361	continue;
jaroslav@4	1362	case 'B':
jaroslav@4	1363	case 'C':
jaroslav@4	1364	case 'D':
jaroslav@4	1365	case 'F':
jaroslav@4	1366	case 'I':
jaroslav@4	1367	case 'J':
jaroslav@4	1368	case 'S':
jaroslav@4	1369	case 'Z':
jaroslav@4	1370	if (count) {
jaroslav@32	1371	if (array) {
jaroslav@248	1372	sig.append("_3");
jaroslav@32	1373	}
jaroslav@4	1374	sig.append(ch);
jtulach@156	1375	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1376	cnt.append('1');
jtulach@156	1377	} else {
jtulach@156	1378	cnt.append('0');
jtulach@156	1379	}
jaroslav@4	1380	} else {
jaroslav@10	1381	sig.insert(firstPos, ch);
jaroslav@32	1382	if (array) {
lubomir@281	1383	returnType[0] = '[';
jaroslav@248	1384	sig.insert(firstPos, "_3");
lubomir@281	1385	} else {
lubomir@281	1386	returnType[0] = ch;
jaroslav@32	1387	}
jaroslav@4	1388	}
jaroslav@93	1389	array = false;
jaroslav@4	1390	continue;
jaroslav@4	1391	case 'V':
jaroslav@4	1392	assert !count;
lubomir@281	1393	returnType[0] = 'V';
jaroslav@10	1394	sig.insert(firstPos, 'V');
jaroslav@4	1395	continue;
jaroslav@4	1396	case 'L':
jaroslav@16	1397	int next = descriptor.indexOf(';', i);
jaroslav@248	1398	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1399	if (count) {
jaroslav@32	1400	if (array) {
jaroslav@248	1401	sig.append("_3");
jaroslav@32	1402	}
jaroslav@248	1403	sig.append(realSig);
jtulach@156	1404	cnt.append('0');
jaroslav@4	1405	} else {
jaroslav@248	1406	sig.insert(firstPos, realSig);
jaroslav@32	1407	if (array) {
jaroslav@248	1408	sig.insert(firstPos, "_3");
jaroslav@32	1409	}
lubomir@281	1410	returnType[0] = 'L';
jaroslav@4	1411	}
jaroslav@16	1412	i = next + 1;
lubomir@407	1413	array = false;
jaroslav@4	1414	continue;
jaroslav@4	1415	case '[':
jaroslav@248	1416	array = true;
jaroslav@4	1417	continue;
jaroslav@4	1418	default:
jaroslav@248	1419	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1420	}
jaroslav@4	1421	}
jaroslav@0	1422	}
jaroslav@248	1423
jaroslav@248	1424	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1425	StringBuilder sb = new StringBuilder();
jaroslav@248	1426	for (int i = first; i < last; i++) {
jaroslav@248	1427	final char ch = txt.charAt(i);
jaroslav@248	1428	switch (ch) {
jaroslav@248	1429	case '/': sb.append('_'); break;
jaroslav@248	1430	case '_': sb.append("_1"); break;
jaroslav@248	1431	case ';': sb.append("_2"); break;
jaroslav@248	1432	case '[': sb.append("_3"); break;
jaroslav@248	1433	default: sb.append(ch); break;
jaroslav@248	1434	}
jaroslav@248	1435	}
jaroslav@248	1436	return sb.toString();
jaroslav@248	1437	}
jaroslav@9	1438
jaroslav@248	1439	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1440	StringBuilder name = new StringBuilder();
jaroslav@10	1441	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1442	name.append("cons"); // NOI18N
jaroslav@19	1443	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1444	name.append("class"); // NOI18N
jaroslav@10	1445	} else {
jaroslav@42	1446	name.append(m.getName());
jaroslav@10	1447	}
jaroslav@42	1448
lubomir@282	1449	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1450	return name.toString();
jaroslav@10	1451	}
jaroslav@10	1452
lubomir@282	1453	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1454	StringBuilder name = new StringBuilder();
jaroslav@151	1455	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1456	String nm= mi[1];
jaroslav@151	1457	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1458	name.append("cons"); // NOI18N
jaroslav@10	1459	} else {
jaroslav@151	1460	name.append(nm);
jaroslav@10	1461	}
lubomir@282	1462	countArgs(descr, returnType, name, cnt);
jaroslav@10	1463	return name.toString();
jaroslav@10	1464	}
jaroslav@10	1465
lubomir@307	1466	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1467	throws IOException {
jaroslav@10	1468	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1469	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1470	char[] returnType = { 'V' };
jtulach@156	1471	StringBuilder cnt = new StringBuilder();
lubomir@281	1472	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1473
lubomir@221	1474	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1475	final Variable[] vars = new Variable[numArguments];
lubomir@221	1476
lubomir@281	1477	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1478	vars[j] = mapper.pop();
jaroslav@11	1479	}
lubomir@281	1480
lubomir@281	1481	if (returnType[0] != 'V') {
lubomir@474	1482	out.append("var ")
lubomir@474	1483	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1484	.append(" = ");
jaroslav@10	1485	}
lubomir@221	1486
jaroslav@151	1487	final String in = mi[0];
jaroslav@274	1488	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1489	out.append("(false).");
jaroslav@397	1490	if (mn.startsWith("cons_")) {
jaroslav@397	1491	out.append("constructor.");
jaroslav@397	1492	}
jaroslav@10	1493	out.append(mn);
jaroslav@442	1494	if (isStatic) {
jaroslav@442	1495	out.append('(');
jaroslav@442	1496	} else {
jaroslav@442	1497	out.append(".call(");
jaroslav@442	1498	}
lubomir@221	1499	if (numArguments > 0) {
lubomir@281	1500	out.append(vars[0]);
lubomir@281	1501	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1502	out.append(", ");
lubomir@281	1503	out.append(vars[j]);
lubomir@221	1504	}
jaroslav@10	1505	}
lubomir@221	1506	out.append(");");
jaroslav@10	1507	i += 2;
jaroslav@18	1508	addReference(in);
jaroslav@10	1509	return i;
jaroslav@10	1510	}
lubomir@307	1511	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1512	throws IOException {
jaroslav@12	1513	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1514	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1515	char[] returnType = { 'V' };
jtulach@156	1516	StringBuilder cnt = new StringBuilder();
lubomir@281	1517	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1518
lubomir@281	1519	final int numArguments = cnt.length() + 1;
lubomir@281	1520	final Variable[] vars = new Variable[numArguments];
lubomir@221	1521
lubomir@281	1522	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1523	vars[j] = mapper.pop();
jaroslav@12	1524	}
lubomir@221	1525
lubomir@281	1526	if (returnType[0] != 'V') {
lubomir@474	1527	out.append("var ")
lubomir@474	1528	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1529	.append(" = ");
jaroslav@12	1530	}
lubomir@281	1531
lubomir@281	1532	out.append(vars[0]).append('.');
jaroslav@12	1533	out.append(mn);
jaroslav@12	1534	out.append('(');
jaroslav@442	1535	String sep = "";
lubomir@281	1536	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1537	out.append(sep);
lubomir@281	1538	out.append(vars[j]);
jaroslav@442	1539	sep = ", ";
jaroslav@12	1540	}
lubomir@221	1541	out.append(");");
jaroslav@12	1542	i += 2;
jaroslav@12	1543	return i;
jaroslav@12	1544	}
lubomir@221	1545
jaroslav@103	1546	private void addReference(String cn) throws IOException {
jtulach@162	1547	if (requireReference(cn)) {
jaroslav@399	1548	debug(" /* needs " + cn + " */");
jaroslav@18	1549	}
jaroslav@18	1550	}
jaroslav@16	1551
jaroslav@33	1552	private void outType(String d, StringBuilder out) {
jaroslav@33	1553	int arr = 0;
jaroslav@33	1554	while (d.charAt(0) == '[') {
jaroslav@33	1555	out.append('A');
jaroslav@33	1556	d = d.substring(1);
jaroslav@33	1557	}
jaroslav@16	1558	if (d.charAt(0) == 'L') {
jaroslav@16	1559	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1560	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1561	} else {
jaroslav@16	1562	out.append(d);
jaroslav@16	1563	}
jaroslav@16	1564	}
jaroslav@21	1565
jaroslav@230	1566	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1567	String[] classRef = { null };
jaroslav@230	1568	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1569	if (classRef[0] != null) {
jaroslav@230	1570	addReference(classRef[0]);
jaroslav@274	1571	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1572	}
jaroslav@151	1573	return s;
jaroslav@21	1574	}
jaroslav@32	1575
jaroslav@266	1576	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1577	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1578	if (arr == null) {
jaroslav@266	1579	return null;
jaroslav@152	1580	}
jaroslav@200	1581	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1582	class P extends AnnotationParser {
jaroslav@237	1583	public P() {
jaroslav@237	1584	super(false);
jaroslav@237	1585	}
jaroslav@237	1586
jaroslav@152	1587	int cnt;
jaroslav@152	1588	String[] args = new String[30];
jaroslav@152	1589	String body;
jaroslav@94	1590
jaroslav@152	1591	@Override
jaroslav@236	1592	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1593	if (type.equals(jvmType)) {
jaroslav@152	1594	if ("body".equals(attr)) {
jaroslav@152	1595	body = value;
jaroslav@152	1596	} else if ("args".equals(attr)) {
jaroslav@152	1597	args[cnt++] = value;
jaroslav@152	1598	} else {
jaroslav@152	1599	throw new IllegalArgumentException(attr);
jaroslav@152	1600	}
jaroslav@152	1601	}
jaroslav@94	1602	}
jaroslav@94	1603	}
jaroslav@152	1604	P p = new P();
jaroslav@152	1605	p.parse(arr, jc);
jaroslav@152	1606	if (p.body == null) {
jaroslav@266	1607	return null;
jaroslav@152	1608	}
jtulach@156	1609	StringBuilder cnt = new StringBuilder();
jaroslav@266	1610	final String mn = findMethodName(m, cnt);
jaroslav@266	1611	out.append(prefix).append(mn);
jaroslav@203	1612	out.append(" = function(");
jaroslav@442	1613	String space = "";
jaroslav@443	1614	int index = 0;
jtulach@156	1615	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1616	out.append(space);
jaroslav@316	1617	space = outputArg(out, p.args, index);
jaroslav@152	1618	index++;
jaroslav@152	1619	}
jaroslav@152	1620	out.append(") {").append("\n");
jaroslav@152	1621	out.append(p.body);
jaroslav@152	1622	out.append("\n}\n");
jaroslav@266	1623	return mn;
jaroslav@151	1624	}
jaroslav@151	1625	private static String className(ClassData jc) {
jaroslav@151	1626	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1627	return jc.getClassName().replace('/', '_');
jaroslav@94	1628	}
jaroslav@152	1629
jaroslav@152	1630	private static String[] findAnnotation(
jaroslav@152	1631	byte[] arr, ClassData cd, final String className,
jaroslav@152	1632	final String... attrNames
jaroslav@152	1633	) throws IOException {
jaroslav@152	1634	if (arr == null) {
jaroslav@152	1635	return null;
jaroslav@152	1636	}
jaroslav@152	1637	final String[] values = new String[attrNames.length];
jaroslav@152	1638	final boolean[] found = { false };
jaroslav@152	1639	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1640	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1641	@Override
jaroslav@236	1642	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1643	if (type.equals(jvmType)) {
jaroslav@152	1644	found[0] = true;
jaroslav@152	1645	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1646	if (attrNames[i].equals(attr)) {
jaroslav@152	1647	values[i] = value;
jaroslav@152	1648	}
jaroslav@152	1649	}
jaroslav@152	1650	}
jaroslav@152	1651	}
jaroslav@152	1652
jaroslav@152	1653	};
jaroslav@152	1654	ap.parse(arr, cd);
jaroslav@152	1655	return found[0] ? values : null;
jaroslav@152	1656	}
jaroslav@173	1657
jaroslav@173	1658	private CharSequence initField(FieldData v) {
jaroslav@173	1659	final String is = v.getInternalSig();
jaroslav@173	1660	if (is.length() == 1) {
jaroslav@173	1661	switch (is.charAt(0)) {
jaroslav@173	1662	case 'S':
jaroslav@173	1663	case 'J':
jaroslav@173	1664	case 'B':
jaroslav@173	1665	case 'Z':
jaroslav@173	1666	case 'C':
jaroslav@173	1667	case 'I': return " = 0;";
jaroslav@173	1668	case 'F':
jaroslav@180	1669	case 'D': return " = 0.0;";
jaroslav@173	1670	default:
jaroslav@173	1671	throw new IllegalStateException(is);
jaroslav@173	1672	}
jaroslav@173	1673	}
jaroslav@173	1674	return " = null;";
jaroslav@173	1675	}
jaroslav@235	1676
jaroslav@235	1677	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1678	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1679	int anno;
jaroslav@235	1680	int cnt;
jaroslav@235	1681
jaroslav@235	1682	@Override
jaroslav@235	1683	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1684	if (anno++ > 0) {
jaroslav@237	1685	out.append(",");
jaroslav@237	1686	}
jaroslav@235	1687	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1688	cnt = 0;
jaroslav@235	1689	}
jaroslav@235	1690
jaroslav@235	1691	@Override
jaroslav@235	1692	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1693	out.append("\n}\n");
jaroslav@235	1694	}
jaroslav@235	1695
jaroslav@235	1696	@Override
jaroslav@236	1697	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1698	throws IOException {
jaroslav@266	1699	if (attr == null) {
jaroslav@266	1700	return;
jaroslav@266	1701	}
jaroslav@235	1702	if (cnt++ > 0) {
jaroslav@235	1703	out.append(",\n");
jaroslav@235	1704	}
jaroslav@250	1705	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1706	}
jaroslav@235	1707	};
jaroslav@235	1708	ap.parse(data, cd);
jaroslav@235	1709	}
jaroslav@316	1710
jaroslav@316	1711	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1712	final String name = args[indx];
jaroslav@316	1713	if (name == null) {
jaroslav@316	1714	return "";
jaroslav@316	1715	}
jaroslav@316	1716	if (name.contains(",")) {
jaroslav@316	1717	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1718	}
jaroslav@316	1719	out.append(name);
jaroslav@316	1720	return ",";
jaroslav@316	1721	}
lubomir@317	1722
lubomir@283	1723	private static void emit(final Appendable out,
lubomir@283	1724	final String format,
lubomir@283	1725	final CharSequence... params) throws IOException {
lubomir@283	1726	final int length = format.length();
lubomir@283	1727
lubomir@283	1728	int processed = 0;
lubomir@283	1729	int paramOffset = format.indexOf('@');
lubomir@283	1730	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1731	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1732	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1733	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1734
lubomir@283	1735	out.append(format, processed, paramOffset);
lubomir@283	1736	out.append(params[paramIndex]);
lubomir@283	1737
lubomir@283	1738	++paramOffset;
lubomir@283	1739	processed = paramOffset + 1;
lubomir@283	1740	}
lubomir@283	1741
lubomir@283	1742	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1743	}
lubomir@283	1744
lubomir@283	1745	out.append(format, processed, length);
lubomir@283	1746	}
jaroslav@398	1747
jaroslav@398	1748	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1749	out.append("} catch (e) {\n");
jaroslav@401	1750	int finallyPC = -1;
jaroslav@398	1751	for (TrapData e : traps) {
jaroslav@398	1752	if (e == null) {
jaroslav@398	1753	break;
jaroslav@398	1754	}
jaroslav@398	1755	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1756	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1757	addReference(classInternalName);
jaroslav@423	1758	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1759	out.append("if (e.$instOf_java_lang_Throwable) {");
lubomir@474	1760	out.append(" var stA0 = e;");
jaroslav@423	1761	out.append("} else {");
lubomir@474	1762	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1763	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1764	out.append("}");
jaroslav@423	1765	out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423	1766	} else {
jaroslav@423	1767	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
lubomir@474	1768	out.append("gt=" + e.handler_pc + "; var stA0 = e; continue;");
jaroslav@423	1769	out.append("}\n");
jaroslav@423	1770	}
jaroslav@398	1771	} else {
jaroslav@401	1772	finallyPC = e.handler_pc;
jaroslav@398	1773	}
jaroslav@398	1774	}
jaroslav@401	1775	if (finallyPC == -1) {
jaroslav@401	1776	out.append("throw e;");
jaroslav@401	1777	} else {
lubomir@474	1778	out.append("gt=" + finallyPC + "; var stA0 = e; continue;");
jaroslav@401	1779	}
jaroslav@400	1780	out.append("\n}");
jaroslav@398	1781	}
jaroslav@0	1782	}

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Fri, 25 Jan 2013 15:38:12 +0100
branch	registers
changeset 585	fe1a07c17681
parent 474	859cc3a0b8f0
child 587	a7a45e5e5e77
permissions	-rw-r--r--