hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@a6bacea2518f (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@810	22	import static org.apidesign.vm4brwsr.ByteCodeParser.*;
jaroslav@0	23
jaroslav@0	24	/** Translator of the code inside class files to JavaScript.
jaroslav@0	25	*
jaroslav@0	26	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0	27	*/
jaroslav@298	28	abstract class ByteCodeToJavaScript {
jtulach@162	29	private ClassData jc;
jaroslav@272	30	final Appendable out;
lubomir@869	31	final ObfuscationDelegate obfuscationDelegate;
jaroslav@0	32
lubomir@869	33	protected ByteCodeToJavaScript(
lubomir@869	34	Appendable out, ObfuscationDelegate obfuscationDelegate) {
jaroslav@0	35	this.out = out;
lubomir@869	36	this.obfuscationDelegate = obfuscationDelegate;
jaroslav@0	37	}
jtulach@162	38
jtulach@162	39	/* Collects additional required resources.
jtulach@162	40	*
jtulach@162	41	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	42	* generated JavaScript code works properly. The names are in internal
jtulach@162	43	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	44	*/
jtulach@162	45	protected abstract boolean requireReference(String internalClassName);
jtulach@162	46
jtulach@162	47	/*
jtulach@162	48	* @param resourcePath name of resources to read
jtulach@162	49	*/
jaroslav@503	50	protected abstract void requireScript(String resourcePath) throws IOException;
jaroslav@213	51
jaroslav@213	52	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	53	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	54	* by <code>" = "</code>;
jaroslav@213	55	*
jaroslav@213	56	* @param className suggested name of the class
jaroslav@213	57	*/
jaroslav@274	58	/* protected */ String assignClass(String className) {
jaroslav@213	59	return className + " = ";
jaroslav@213	60	}
jaroslav@274	61	/* protected */ String accessClass(String classOperation) {
jaroslav@274	62	return classOperation;
jaroslav@274	63	}
lubomir@869	64
lubomir@1020	65	abstract String getExportsObject();
lubomir@869	66
jaroslav@399	67	/** Prints out a debug message.
jaroslav@399	68	*
jaroslav@399	69	* @param msg the message
jaroslav@399	70	* @return true if the message has been printed
jaroslav@399	71	* @throws IOException
jaroslav@399	72	*/
jaroslav@399	73	boolean debug(String msg) throws IOException {
jaroslav@399	74	out.append(msg);
jaroslav@399	75	return true;
jaroslav@399	76	}
jaroslav@18	77
jaroslav@18	78	/**
jaroslav@18	79	* Converts a given class file to a JavaScript version.
jaroslav@18	80	*
jaroslav@0	81	* @param classFile input stream with code of the .class file
jaroslav@97	82	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	83	*
jaroslav@0	84	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	85	*/
jaroslav@18	86
jtulach@162	87	public String compile(InputStream classFile) throws IOException {
jtulach@162	88	this.jc = new ClassData(classFile);
jaroslav@324	89	if (jc.getMajor_version() < 50) {
jaroslav@324	90	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	91	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	92	);
jaroslav@324	93	}
jaroslav@152	94	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	95	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	96	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	97	"resource", "processByteCode"
jaroslav@170	98	);
jaroslav@152	99	if (arr != null) {
lubomir@848	100	if (!arr[0].isEmpty()) {
lubomir@848	101	requireScript(arr[0]);
lubomir@848	102	}
jaroslav@152	103	if ("0".equals(arr[1])) {
jaroslav@97	104	return null;
jaroslav@91	105	}
jaroslav@91	106	}
jaroslav@239	107	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	108	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	109	"container", "prototype"
jaroslav@239	110	);
jtulach@162	111	StringArray toInitilize = new StringArray();
jaroslav@151	112	final String className = className(jc);
jaroslav@213	113	out.append("\n\n").append(assignClass(className));
jaroslav@880	114	out.append("function ").append(className).append("() {");
jaroslav@880	115	out.append("\n var CLS = ").append(className).append(';');
jaroslav@711	116	out.append("\n if (!CLS.$class) {");
jaroslav@239	117	if (proto == null) {
jaroslav@239	118	String sc = jc.getSuperClassName(); // with _
jaroslav@230	119	out.append("\n var pp = ").
jaroslav@274	120	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	121	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	122	out.append("\n var c = p;");
jaroslav@230	123	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	124	} else {
jaroslav@240	125	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	126	if (proto[0] == null) {
jaroslav@316	127	proto[0] = "p";
jaroslav@316	128	}
jaroslav@239	129	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	130	out.append("\n var sprcls = null;");
jaroslav@13	131	}
jaroslav@592	132	for (FieldData v : jc.getFields()) {
jaroslav@592	133	if (v.isStatic()) {
jaroslav@592	134	out.append("\n CLS.").append(v.getName()).append(initField(v));
jaroslav@775	135	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@775	136	.append(" if (arguments.length == 1) CLS.").append(v.getName())
jaroslav@775	137	.append(" = v; return CLS.").
jaroslav@775	138	append(v.getName()).append("; };");
jaroslav@592	139	} else {
jaroslav@592	140	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@592	141	.append(" if (arguments.length == 1) this.fld_").
jaroslav@592	142	append(className).append('_').append(v.getName())
jaroslav@592	143	.append(" = v; return this.fld_").
jaroslav@592	144	append(className).append('_').append(v.getName())
jaroslav@592	145	.append("; };");
jaroslav@592	146	}
lubomir@869	147
lubomir@869	148	obfuscationDelegate.exportField(out, "c", "_" + v.getName(), v);
jaroslav@592	149	}
jaroslav@151	150	for (MethodData m : jc.getMethods()) {
jaroslav@240	151	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	152	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	153	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	154	"name", "value"
jaroslav@240	155	);
jaroslav@240	156	if (only != null) {
jaroslav@240	157	if (only[0] != null && only[1] != null) {
jaroslav@240	158	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	159	.append(only[1]).append(";");
jaroslav@240	160	}
jaroslav@240	161	continue;
jaroslav@240	162	}
lubomir@869	163	String destObject;
jaroslav@266	164	String mn;
lubomir@869	165	out.append("\n ");
jaroslav@203	166	if (m.isStatic()) {
lubomir@869	167	destObject = "c";
lubomir@869	168	mn = generateStaticMethod(destObject, m, toInitilize);
jaroslav@203	169	} else {
jaroslav@397	170	if (m.isConstructor()) {
lubomir@869	171	destObject = "CLS";
lubomir@869	172	mn = generateInstanceMethod(destObject, m);
jaroslav@397	173	} else {
lubomir@869	174	destObject = "c";
lubomir@869	175	mn = generateInstanceMethod(destObject, m);
jaroslav@397	176	}
jaroslav@266	177	}
lubomir@869	178	obfuscationDelegate.exportMethod(out, destObject, mn, m);
jaroslav@266	179	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	180	if (runAnno != null) {
lubomir@869	181	out.append("\n ").append(destObject).append(".").append(mn).append(".anno = {");
jaroslav@266	182	generateAnno(jc, out, runAnno);
jaroslav@266	183	out.append("\n };");
jaroslav@38	184	}
lubomir@869	185	out.append("\n ").append(destObject).append(".").append(mn).append(".access = " + m.getAccess()).append(";");
lubomir@869	186	out.append("\n ").append(destObject).append(".").append(mn).append(".cls = CLS;");
jaroslav@38	187	}
jaroslav@239	188	out.append("\n c.constructor = CLS;");
lubomir@869	189	String instOfName = "$instOf_" + className;
lubomir@869	190	out.append("\n c.").append(instOfName).append(" = true;");
lubomir@869	191	obfuscationDelegate.exportJSProperty(out, "c", instOfName);
jaroslav@151	192	for (String superInterface : jc.getSuperInterfaces()) {
lubomir@869	193	instOfName = "$instOf_" + superInterface.replace('/', '_');
lubomir@869	194	out.append("\n c.").append(instOfName).append(" = true;");
lubomir@869	195	obfuscationDelegate.exportJSProperty(out, "c", instOfName);
jaroslav@40	196	}
jaroslav@711	197	out.append("\n CLS.$class = 'temp';");
jaroslav@274	198	out.append("\n CLS.$class = ");
jaroslav@274	199	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	200	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	201	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	202	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	203	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	204	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	205	if (classAnno != null) {
jaroslav@235	206	out.append("\n CLS.$class.anno = {");
jaroslav@235	207	generateAnno(jc, out, classAnno);
jaroslav@235	208	out.append("\n };");
jaroslav@235	209	}
jaroslav@834	210	for (String init : toInitilize.toArray()) {
jaroslav@834	211	out.append("\n ").append(init).append("();");
jaroslav@834	212	}
jaroslav@204	213	out.append("\n }");
jaroslav@205	214	out.append("\n if (arguments.length === 0) {");
jaroslav@226	215	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	216	out.append("\n return new CLS();");
jaroslav@226	217	out.append("\n }");
jaroslav@205	218	for (FieldData v : jc.getFields()) {
jaroslav@240	219	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	220	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	221	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	222	"name", "value"
jaroslav@240	223	);
jaroslav@240	224	if (only != null) {
jaroslav@240	225	if (only[0] != null && only[1] != null) {
jaroslav@240	226	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	227	.append(only[1]).append(";");
jaroslav@240	228	}
jaroslav@240	229	continue;
jaroslav@240	230	}
jaroslav@205	231	if (!v.isStatic()) {
jaroslav@205	232	out.append("\n this.fld_").
jaroslav@592	233	append(className).append('_').
jaroslav@205	234	append(v.getName()).append(initField(v));
jaroslav@205	235	}
jaroslav@205	236	}
jaroslav@205	237	out.append("\n return this;");
jaroslav@205	238	out.append("\n }");
jaroslav@224	239	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@509	240	out.append("\n};");
lubomir@869	241
lubomir@1020	242	obfuscationDelegate.exportClass(out, getExportsObject(), className, jc);
lubomir@869	243
jaroslav@834	244	// StringBuilder sb = new StringBuilder();
jaroslav@834	245	// for (String init : toInitilize.toArray()) {
jaroslav@834	246	// sb.append("\n").append(init).append("();");
jaroslav@834	247	// }
jaroslav@834	248	return "";
jaroslav@0	249	}
lubomir@869	250	private String generateStaticMethod(String destObject, MethodData m, StringArray toInitilize) throws IOException {
lubomir@869	251	String jsb = javaScriptBody(destObject, m, true);
jaroslav@266	252	if (jsb != null) {
jaroslav@266	253	return jsb;
jaroslav@94	254	}
lubomir@307	255	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	256	if (mn.equals("class__V")) {
jaroslav@274	257	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	258	}
lubomir@869	259	generateMethod(destObject, mn, m);
jaroslav@266	260	return mn;
jaroslav@10	261	}
lubomir@307	262
lubomir@869	263	private String generateInstanceMethod(String destObject, MethodData m) throws IOException {
lubomir@869	264	String jsb = javaScriptBody(destObject, m, false);
jaroslav@266	265	if (jsb != null) {
jaroslav@266	266	return jsb;
jaroslav@94	267	}
lubomir@307	268	final String mn = findMethodName(m, new StringBuilder());
lubomir@869	269	generateMethod(destObject, mn, m);
jaroslav@266	270	return mn;
jaroslav@0	271	}
jaroslav@0	272
lubomir@869	273	private void generateMethod(String destObject, String name, MethodData m)
lubomir@307	274	throws IOException {
lubomir@307	275	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	276	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	277	final LocalsMapper lmapper =
lubomir@307	278	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	279
lubomir@869	280	out.append(destObject).append(".").append(name).append(" = function(");
jaroslav@442	281	lmapper.outputArguments(out, m.isStatic());
lubomir@307	282	out.append(") {").append("\n");
lubomir@307	283
lubomir@221	284	final byte[] byteCodes = m.getCode();
lubomir@307	285	if (byteCodes == null) {
lubomir@307	286	out.append(" throw 'no code found for ")
jaroslav@424	287	.append(jc.getClassName()).append('.')
jaroslav@424	288	.append(m.getName()).append("';\n");
lubomir@307	289	out.append("};");
lubomir@307	290	return;
lubomir@307	291	}
lubomir@307	292
lubomir@307	293	final StackMapper smapper = new StackMapper();
lubomir@307	294
jaroslav@442	295	if (!m.isStatic()) {
jaroslav@442	296	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	297	}
lubomir@221	298
lubomir@221	299	int lastStackFrame = -1;
jaroslav@398	300	TrapData[] previousTrap = null;
lubomir@585	301	boolean wide = false;
jaroslav@398	302
jaroslav@839	303	out.append("\n var gt = 0;\n");
jaroslav@839	304	int openBraces = 0;
jaroslav@843	305	int topMostLabel = 0;
jaroslav@0	306	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	307	int prev = i;
lubomir@221	308	stackMapIterator.advanceTo(i);
jaroslav@398	309	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	310	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	311	if (previousTrap != null) {
jaroslav@843	312	generateCatch(previousTrap, i, topMostLabel);
jaroslav@398	313	previousTrap = null;
jaroslav@398	314	}
jaroslav@398	315	}
lubomir@221	316	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@839	317	if (i != 0) {
jaroslav@839	318	out.append(" }\n");
jaroslav@839	319	}
jaroslav@843	320	if (openBraces > 64) {
jaroslav@843	321	for (int c = 0; c < 64; c++) {
jaroslav@843	322	out.append("break;}\n");
jaroslav@843	323	}
jaroslav@843	324	openBraces = 1;
jaroslav@843	325	topMostLabel = i;
jaroslav@843	326	}
jaroslav@839	327
lubomir@221	328	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	329	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	330	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@839	331	out.append(" X_" + i).append(": for (;;) { IF: if (gt <= " + i + ") {\n");
jaroslav@839	332	openBraces++;
jaroslav@398	333	changeInCatch = true;
lubomir@221	334	} else {
jaroslav@399	335	debug(" /* " + i + " */ ");
lubomir@221	336	}
jaroslav@398	337	if (changeInCatch && trap.useTry()) {
tzezula@285	338	out.append("try {");
jaroslav@398	339	previousTrap = trap.current();
tzezula@285	340	}
lubomir@585	341	final int c = readUByte(byteCodes, i);
jaroslav@0	342	switch (c) {
jaroslav@151	343	case opc_aload_0:
lubomir@474	344	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	345	break;
jaroslav@151	346	case opc_iload_0:
lubomir@474	347	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	348	break;
jaroslav@151	349	case opc_lload_0:
lubomir@474	350	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	351	break;
jaroslav@151	352	case opc_fload_0:
lubomir@474	353	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	354	break;
jaroslav@151	355	case opc_dload_0:
lubomir@474	356	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	357	break;
jaroslav@151	358	case opc_aload_1:
lubomir@474	359	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	360	break;
jaroslav@151	361	case opc_iload_1:
lubomir@474	362	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	363	break;
jaroslav@151	364	case opc_lload_1:
lubomir@474	365	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	366	break;
jaroslav@151	367	case opc_fload_1:
lubomir@474	368	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	369	break;
jaroslav@151	370	case opc_dload_1:
lubomir@474	371	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	372	break;
jaroslav@151	373	case opc_aload_2:
lubomir@474	374	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	375	break;
jaroslav@151	376	case opc_iload_2:
lubomir@474	377	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	378	break;
jaroslav@151	379	case opc_lload_2:
lubomir@474	380	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	381	break;
jaroslav@151	382	case opc_fload_2:
lubomir@474	383	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	384	break;
jaroslav@151	385	case opc_dload_2:
lubomir@474	386	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	387	break;
jaroslav@151	388	case opc_aload_3:
lubomir@474	389	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	390	break;
jaroslav@151	391	case opc_iload_3:
lubomir@474	392	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	393	break;
jaroslav@151	394	case opc_lload_3:
lubomir@474	395	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	396	break;
jaroslav@151	397	case opc_fload_3:
lubomir@474	398	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	399	break;
jaroslav@151	400	case opc_dload_3:
lubomir@474	401	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	402	break;
lubomir@281	403	case opc_iload: {
lubomir@585	404	++i;
lubomir@585	405	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	406	: readUByte(byteCodes, i);
lubomir@585	407	wide = false;
lubomir@474	408	emit(out, "var @1 = @2;",
lubomir@474	409	smapper.pushI(), lmapper.getI(indx));
lubomir@281	410	break;
lubomir@281	411	}
lubomir@281	412	case opc_lload: {
lubomir@585	413	++i;
lubomir@585	414	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	415	: readUByte(byteCodes, i);
lubomir@585	416	wide = false;
lubomir@474	417	emit(out, "var @1 = @2;",
lubomir@474	418	smapper.pushL(), lmapper.getL(indx));
lubomir@281	419	break;
lubomir@281	420	}
lubomir@281	421	case opc_fload: {
lubomir@585	422	++i;
lubomir@585	423	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	424	: readUByte(byteCodes, i);
lubomir@585	425	wide = false;
lubomir@474	426	emit(out, "var @1 = @2;",
lubomir@474	427	smapper.pushF(), lmapper.getF(indx));
lubomir@281	428	break;
lubomir@281	429	}
lubomir@281	430	case opc_dload: {
lubomir@585	431	++i;
lubomir@585	432	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	433	: readUByte(byteCodes, i);
lubomir@585	434	wide = false;
lubomir@474	435	emit(out, "var @1 = @2;",
lubomir@474	436	smapper.pushD(), lmapper.getD(indx));
lubomir@281	437	break;
lubomir@281	438	}
jaroslav@151	439	case opc_aload: {
lubomir@585	440	++i;
lubomir@585	441	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	442	: readUByte(byteCodes, i);
lubomir@585	443	wide = false;
lubomir@474	444	emit(out, "var @1 = @2;",
lubomir@474	445	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	446	break;
jaroslav@3	447	}
lubomir@281	448	case opc_istore: {
lubomir@585	449	++i;
lubomir@585	450	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	451	: readUByte(byteCodes, i);
lubomir@585	452	wide = false;
lubomir@474	453	emit(out, "var @1 = @2;",
lubomir@474	454	lmapper.setI(indx), smapper.popI());
lubomir@281	455	break;
lubomir@281	456	}
lubomir@281	457	case opc_lstore: {
lubomir@585	458	++i;
lubomir@585	459	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	460	: readUByte(byteCodes, i);
lubomir@585	461	wide = false;
lubomir@474	462	emit(out, "var @1 = @2;",
lubomir@474	463	lmapper.setL(indx), smapper.popL());
lubomir@281	464	break;
lubomir@281	465	}
lubomir@281	466	case opc_fstore: {
lubomir@585	467	++i;
lubomir@585	468	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	469	: readUByte(byteCodes, i);
lubomir@585	470	wide = false;
lubomir@474	471	emit(out, "var @1 = @2;",
lubomir@474	472	lmapper.setF(indx), smapper.popF());
lubomir@281	473	break;
lubomir@281	474	}
lubomir@281	475	case opc_dstore: {
lubomir@585	476	++i;
lubomir@585	477	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	478	: readUByte(byteCodes, i);
lubomir@585	479	wide = false;
lubomir@474	480	emit(out, "var @1 = @2;",
lubomir@474	481	lmapper.setD(indx), smapper.popD());
lubomir@281	482	break;
lubomir@281	483	}
jaroslav@151	484	case opc_astore: {
lubomir@585	485	++i;
lubomir@585	486	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	487	: readUByte(byteCodes, i);
lubomir@585	488	wide = false;
lubomir@474	489	emit(out, "var @1 = @2;",
lubomir@474	490	lmapper.setA(indx), smapper.popA());
jaroslav@31	491	break;
jaroslav@31	492	}
jaroslav@151	493	case opc_astore_0:
lubomir@474	494	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	495	break;
jaroslav@151	496	case opc_istore_0:
lubomir@474	497	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	498	break;
jaroslav@151	499	case opc_lstore_0:
lubomir@474	500	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	501	break;
jaroslav@151	502	case opc_fstore_0:
lubomir@474	503	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	504	break;
jaroslav@151	505	case opc_dstore_0:
lubomir@474	506	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	507	break;
jaroslav@151	508	case opc_astore_1:
lubomir@474	509	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	510	break;
jaroslav@151	511	case opc_istore_1:
lubomir@474	512	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	513	break;
jaroslav@151	514	case opc_lstore_1:
lubomir@474	515	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	516	break;
jaroslav@151	517	case opc_fstore_1:
lubomir@474	518	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	519	break;
jaroslav@151	520	case opc_dstore_1:
lubomir@474	521	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	522	break;
jaroslav@151	523	case opc_astore_2:
lubomir@474	524	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	525	break;
jaroslav@151	526	case opc_istore_2:
lubomir@474	527	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	528	break;
jaroslav@151	529	case opc_lstore_2:
lubomir@474	530	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	531	break;
jaroslav@151	532	case opc_fstore_2:
lubomir@474	533	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	534	break;
jaroslav@151	535	case opc_dstore_2:
lubomir@474	536	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	537	break;
jaroslav@151	538	case opc_astore_3:
lubomir@474	539	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	540	break;
jaroslav@151	541	case opc_istore_3:
lubomir@474	542	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	543	break;
jaroslav@151	544	case opc_lstore_3:
lubomir@474	545	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	546	break;
jaroslav@151	547	case opc_fstore_3:
lubomir@474	548	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	549	break;
jaroslav@151	550	case opc_dstore_3:
lubomir@474	551	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	552	break;
jaroslav@151	553	case opc_iadd:
Martin@445	554	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	555	break;
jaroslav@151	556	case opc_ladd:
Martin@582	557	emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	558	break;
jaroslav@151	559	case opc_fadd:
lubomir@307	560	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	561	break;
jaroslav@151	562	case opc_dadd:
lubomir@307	563	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	564	break;
jaroslav@151	565	case opc_isub:
Martin@445	566	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	567	break;
jaroslav@151	568	case opc_lsub:
Martin@620	569	emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	570	break;
jaroslav@151	571	case opc_fsub:
lubomir@307	572	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	573	break;
jaroslav@151	574	case opc_dsub:
lubomir@307	575	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	576	break;
jaroslav@151	577	case opc_imul:
Martin@445	578	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	579	break;
jaroslav@151	580	case opc_lmul:
Martin@657	581	emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	582	break;
jaroslav@151	583	case opc_fmul:
lubomir@307	584	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	585	break;
jaroslav@151	586	case opc_dmul:
lubomir@307	587	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	588	break;
jaroslav@151	589	case opc_idiv:
lubomir@737	590	emit(out, "@1 = @1.div32(@2);",
lubomir@307	591	smapper.getI(1), smapper.popI());
lubomir@281	592	break;
jaroslav@151	593	case opc_ldiv:
Martin@582	594	emit(out, "@1 = @1.div64(@2);",
lubomir@307	595	smapper.getL(1), smapper.popL());
jaroslav@3	596	break;
jaroslav@151	597	case opc_fdiv:
lubomir@307	598	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	599	break;
jaroslav@151	600	case opc_ddiv:
lubomir@307	601	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	602	break;
jaroslav@178	603	case opc_irem:
lubomir@737	604	emit(out, "@1 = @1.mod32(@2);",
lubomir@737	605	smapper.getI(1), smapper.popI());
lubomir@281	606	break;
jaroslav@178	607	case opc_lrem:
lubomir@676	608	emit(out, "@1 = @1.mod64(@2);",
lubomir@676	609	smapper.getL(1), smapper.popL());
lubomir@281	610	break;
jaroslav@178	611	case opc_frem:
lubomir@307	612	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	613	break;
jaroslav@178	614	case opc_drem:
lubomir@307	615	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	616	break;
jaroslav@151	617	case opc_iand:
lubomir@307	618	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	619	break;
jaroslav@151	620	case opc_land:
Martin@615	621	emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	622	break;
jaroslav@151	623	case opc_ior:
lubomir@307	624	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	625	break;
jaroslav@151	626	case opc_lor:
Martin@627	627	emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	628	break;
jaroslav@151	629	case opc_ixor:
lubomir@307	630	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	631	break;
jaroslav@151	632	case opc_lxor:
lubomir@679	633	emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
jaroslav@6	634	break;
jaroslav@151	635	case opc_ineg:
Martin@700	636	emit(out, "@1 = @1.neg32();", smapper.getI(0));
lubomir@281	637	break;
jaroslav@151	638	case opc_lneg:
Martin@630	639	emit(out, "@1 = @1.neg64();", smapper.getL(0));
lubomir@281	640	break;
jaroslav@151	641	case opc_fneg:
lubomir@307	642	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	643	break;
jaroslav@151	644	case opc_dneg:
lubomir@307	645	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	646	break;
jaroslav@151	647	case opc_ishl:
lubomir@307	648	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	649	break;
jaroslav@151	650	case opc_lshl:
Martin@582	651	emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	652	break;
jaroslav@151	653	case opc_ishr:
lubomir@307	654	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	655	break;
jaroslav@151	656	case opc_lshr:
Martin@615	657	emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	658	break;
jaroslav@151	659	case opc_iushr:
lubomir@307	660	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	661	break;
jaroslav@151	662	case opc_lushr:
Martin@629	663	emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	664	break;
jaroslav@151	665	case opc_iinc: {
lubomir@585	666	++i;
lubomir@585	667	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	668	: readUByte(byteCodes, i);
lubomir@585	669	++i;
lubomir@697	670	final int incrBy = wide ? readShort(byteCodes, i++)
lubomir@585	671	: byteCodes[i];
lubomir@585	672	wide = false;
jaroslav@5	673	if (incrBy == 1) {
lubomir@307	674	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	675	} else {
lubomir@307	676	emit(out, "@1 += @2;",
lubomir@307	677	lmapper.getI(varIndx),
lubomir@283	678	Integer.toString(incrBy));
jaroslav@5	679	}
jaroslav@5	680	break;
jaroslav@5	681	}
jaroslav@151	682	case opc_return:
lubomir@283	683	emit(out, "return;");
jaroslav@10	684	break;
jaroslav@151	685	case opc_ireturn:
lubomir@307	686	emit(out, "return @1;", smapper.popI());
lubomir@281	687	break;
jaroslav@151	688	case opc_lreturn:
lubomir@307	689	emit(out, "return @1;", smapper.popL());
lubomir@281	690	break;
jaroslav@151	691	case opc_freturn:
lubomir@307	692	emit(out, "return @1;", smapper.popF());
lubomir@281	693	break;
jaroslav@151	694	case opc_dreturn:
lubomir@307	695	emit(out, "return @1;", smapper.popD());
lubomir@281	696	break;
jaroslav@151	697	case opc_areturn:
lubomir@307	698	emit(out, "return @1;", smapper.popA());
jaroslav@1	699	break;
jaroslav@151	700	case opc_i2l:
lubomir@474	701	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	702	break;
jaroslav@151	703	case opc_i2f:
lubomir@474	704	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	705	break;
jaroslav@151	706	case opc_i2d:
lubomir@474	707	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	708	break;
jaroslav@151	709	case opc_l2i:
Martin@582	710	emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
lubomir@281	711	break;
jaroslav@3	712	// max int check?
jaroslav@151	713	case opc_l2f:
Martin@582	714	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
jaroslav@272	715	break;
jaroslav@151	716	case opc_l2d:
Martin@582	717	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
jaroslav@272	718	break;
jaroslav@151	719	case opc_f2d:
lubomir@474	720	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	721	break;
jaroslav@151	722	case opc_d2f:
lubomir@474	723	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	724	break;
jaroslav@151	725	case opc_f2i:
lubomir@778	726	emit(out, "var @2 = @1.toInt32();",
lubomir@307	727	smapper.popF(), smapper.pushI());
lubomir@281	728	break;
jaroslav@151	729	case opc_f2l:
lubomir@778	730	emit(out, "var @2 = @1.toLong();",
lubomir@307	731	smapper.popF(), smapper.pushL());
lubomir@281	732	break;
jaroslav@151	733	case opc_d2i:
lubomir@778	734	emit(out, "var @2 = @1.toInt32();",
lubomir@307	735	smapper.popD(), smapper.pushI());
lubomir@281	736	break;
jaroslav@151	737	case opc_d2l:
lubomir@778	738	emit(out, "var @2 = @1.toLong();",
lubomir@307	739	smapper.popD(), smapper.pushL());
jaroslav@3	740	break;
jaroslav@151	741	case opc_i2b:
lubomir@474	742	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	743	break;
jaroslav@151	744	case opc_i2c:
Martin@439	745	out.append("{ /* number conversion */ }");
Martin@439	746	break;
jaroslav@151	747	case opc_i2s:
lubomir@474	748	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	749	break;
jaroslav@151	750	case opc_aconst_null:
lubomir@474	751	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	752	break;
jaroslav@151	753	case opc_iconst_m1:
lubomir@474	754	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	755	break;
jaroslav@151	756	case opc_iconst_0:
lubomir@474	757	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	758	break;
jaroslav@151	759	case opc_dconst_0:
lubomir@474	760	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	761	break;
jaroslav@151	762	case opc_lconst_0:
lubomir@474	763	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	764	break;
jaroslav@151	765	case opc_fconst_0:
lubomir@474	766	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	767	break;
jaroslav@151	768	case opc_iconst_1:
lubomir@474	769	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	770	break;
jaroslav@151	771	case opc_lconst_1:
lubomir@474	772	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	773	break;
jaroslav@151	774	case opc_fconst_1:
lubomir@474	775	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	776	break;
jaroslav@151	777	case opc_dconst_1:
lubomir@474	778	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	779	break;
jaroslav@151	780	case opc_iconst_2:
lubomir@474	781	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	782	break;
jaroslav@151	783	case opc_fconst_2:
lubomir@474	784	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	785	break;
jaroslav@151	786	case opc_iconst_3:
lubomir@474	787	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	788	break;
jaroslav@151	789	case opc_iconst_4:
lubomir@474	790	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	791	break;
jaroslav@151	792	case opc_iconst_5:
lubomir@474	793	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	794	break;
jaroslav@151	795	case opc_ldc: {
lubomir@585	796	int indx = readUByte(byteCodes, ++i);
jaroslav@151	797	String v = encodeConstant(indx);
lubomir@307	798	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	799	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	800	break;
jaroslav@20	801	}
jaroslav@151	802	case opc_ldc_w:
jaroslav@151	803	case opc_ldc2_w: {
jaroslav@864	804	int indx = readUShortArg(byteCodes, i);
jaroslav@8	805	i += 2;
jaroslav@151	806	String v = encodeConstant(indx);
lubomir@307	807	int type = VarType.fromConstantType(jc.getTag(indx));
Martin@582	808	if (type == VarType.LONG) {
Martin@582	809	final Long lv = new Long(v);
Martin@582	810	final int low = (int)(lv.longValue() & 0xFFFFFFFF);
Martin@582	811	final int hi = (int)(lv.longValue() >> 32);
Martin@594	812	emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
Martin@582	813	Integer.toHexString(low), Integer.toHexString(hi));
Martin@582	814	} else {
Martin@582	815	emit(out, "var @1 = @2;", smapper.pushT(type), v);
Martin@582	816	}
jaroslav@8	817	break;
jaroslav@8	818	}
jaroslav@151	819	case opc_lcmp:
Martin@582	820	emit(out, "var @3 = @2.compare64(@1);",
lubomir@307	821	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	822	break;
jaroslav@151	823	case opc_fcmpl:
jaroslav@151	824	case opc_fcmpg:
lubomir@474	825	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	826	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	827	break;
jaroslav@151	828	case opc_dcmpl:
lubomir@281	829	case opc_dcmpg:
lubomir@474	830	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	831	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	832	break;
jaroslav@151	833	case opc_if_acmpeq:
lubomir@307	834	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	835	"===", topMostLabel);
jaroslav@104	836	break;
jaroslav@151	837	case opc_if_acmpne:
lubomir@307	838	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	839	"!==", topMostLabel);
jaroslav@104	840	break;
lubomir@283	841	case opc_if_icmpeq:
lubomir@307	842	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	843	"==", topMostLabel);
jaroslav@4	844	break;
jaroslav@151	845	case opc_ifeq: {
jaroslav@864	846	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	847	emitIf(out, "if (@1 == 0) ",
jaroslav@843	848	smapper.popI(), i, indx, topMostLabel);
jaroslav@7	849	i += 2;
jaroslav@7	850	break;
jaroslav@7	851	}
jaroslav@151	852	case opc_ifne: {
jaroslav@864	853	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	854	emitIf(out, "if (@1 != 0) ",
jaroslav@843	855	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	856	i += 2;
jaroslav@20	857	break;
jaroslav@20	858	}
jaroslav@151	859	case opc_iflt: {
jaroslav@864	860	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	861	emitIf(out, "if (@1 < 0) ",
jaroslav@843	862	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	863	i += 2;
jaroslav@20	864	break;
jaroslav@20	865	}
jaroslav@151	866	case opc_ifle: {
jaroslav@864	867	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	868	emitIf(out, "if (@1 <= 0) ",
jaroslav@843	869	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	870	i += 2;
jaroslav@20	871	break;
jaroslav@20	872	}
jaroslav@151	873	case opc_ifgt: {
jaroslav@864	874	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	875	emitIf(out, "if (@1 > 0) ",
jaroslav@843	876	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	877	i += 2;
jaroslav@20	878	break;
jaroslav@20	879	}
jaroslav@151	880	case opc_ifge: {
jaroslav@864	881	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	882	emitIf(out, "if (@1 >= 0) ",
jaroslav@843	883	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	884	i += 2;
jaroslav@20	885	break;
jaroslav@20	886	}
jaroslav@151	887	case opc_ifnonnull: {
jaroslav@864	888	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	889	emitIf(out, "if (@1 !== null) ",
jaroslav@843	890	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	891	i += 2;
jaroslav@16	892	break;
jaroslav@16	893	}
jaroslav@151	894	case opc_ifnull: {
jaroslav@864	895	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	896	emitIf(out, "if (@1 === null) ",
jaroslav@843	897	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	898	i += 2;
jaroslav@16	899	break;
jaroslav@16	900	}
jaroslav@151	901	case opc_if_icmpne:
lubomir@307	902	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	903	"!=", topMostLabel);
jaroslav@4	904	break;
jaroslav@151	905	case opc_if_icmplt:
lubomir@307	906	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	907	"<", topMostLabel);
jaroslav@4	908	break;
jaroslav@151	909	case opc_if_icmple:
lubomir@307	910	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	911	"<=", topMostLabel);
jaroslav@4	912	break;
jaroslav@151	913	case opc_if_icmpgt:
lubomir@307	914	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	915	">", topMostLabel);
jaroslav@4	916	break;
jaroslav@151	917	case opc_if_icmpge:
lubomir@307	918	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	919	">=", topMostLabel);
jaroslav@4	920	break;
jaroslav@151	921	case opc_goto: {
jaroslav@864	922	int indx = i + readShortArg(byteCodes, i);
jaroslav@843	923	goTo(out, i, indx, topMostLabel);
jaroslav@5	924	i += 2;
jaroslav@5	925	break;
jaroslav@5	926	}
jaroslav@151	927	case opc_lookupswitch: {
jaroslav@843	928	i = generateLookupSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	929	break;
jaroslav@115	930	}
jaroslav@151	931	case opc_tableswitch: {
jaroslav@843	932	i = generateTableSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	933	break;
jaroslav@115	934	}
jaroslav@151	935	case opc_invokeinterface: {
lubomir@307	936	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	937	break;
jaroslav@46	938	}
jaroslav@151	939	case opc_invokevirtual:
lubomir@307	940	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	941	break;
jaroslav@151	942	case opc_invokespecial:
lubomir@307	943	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	944	break;
jaroslav@151	945	case opc_invokestatic:
lubomir@307	946	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	947	break;
jaroslav@151	948	case opc_new: {
jaroslav@864	949	int indx = readUShortArg(byteCodes, i);
jaroslav@151	950	String ci = jc.getClassName(indx);
lubomir@474	951	emit(out, "var @1 = new @2;",
lubomir@317	952	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	953	addReference(ci);
jaroslav@8	954	i += 2;
jaroslav@8	955	break;
jaroslav@8	956	}
lubomir@283	957	case opc_newarray:
lubomir@585	958	int atype = readUByte(byteCodes, ++i);
jaroslav@842	959	generateNewArray(atype, smapper);
jaroslav@21	960	break;
jaroslav@448	961	case opc_anewarray: {
jaroslav@864	962	int type = readUShortArg(byteCodes, i);
jaroslav@448	963	i += 2;
jaroslav@842	964	generateANewArray(type, smapper);
jaroslav@21	965	break;
jaroslav@448	966	}
jaroslav@151	967	case opc_multianewarray: {
jaroslav@864	968	int type = readUShortArg(byteCodes, i);
jtulach@128	969	i += 2;
jaroslav@842	970	i = generateMultiANewArray(type, byteCodes, i, smapper);
jtulach@128	971	break;
jtulach@128	972	}
jaroslav@151	973	case opc_arraylength:
lubomir@474	974	emit(out, "var @2 = @1.length;",
lubomir@474	975	smapper.popA(), smapper.pushI());
jaroslav@272	976	break;
lubomir@283	977	case opc_lastore:
jaroslav@459	978	emit(out, "@3.at(@2, @1);",
lubomir@307	979	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	980	break;
lubomir@283	981	case opc_fastore:
jaroslav@459	982	emit(out, "@3.at(@2, @1);",
lubomir@307	983	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	984	break;
lubomir@283	985	case opc_dastore:
jaroslav@459	986	emit(out, "@3.at(@2, @1);",
lubomir@307	987	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	988	break;
lubomir@283	989	case opc_aastore:
jaroslav@459	990	emit(out, "@3.at(@2, @1);",
lubomir@307	991	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	992	break;
jaroslav@151	993	case opc_iastore:
jaroslav@151	994	case opc_bastore:
jaroslav@151	995	case opc_castore:
lubomir@283	996	case opc_sastore:
jaroslav@459	997	emit(out, "@3.at(@2, @1);",
lubomir@307	998	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	999	break;
lubomir@283	1000	case opc_laload:
lubomir@474	1001	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1002	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	1003	break;
lubomir@283	1004	case opc_faload:
lubomir@474	1005	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1006	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1007	break;
lubomir@283	1008	case opc_daload:
lubomir@474	1009	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1010	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1011	break;
lubomir@283	1012	case opc_aaload:
lubomir@474	1013	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1014	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1015	break;
jaroslav@272	1016	case opc_iaload:
jaroslav@272	1017	case opc_baload:
jaroslav@272	1018	case opc_caload:
lubomir@283	1019	case opc_saload:
lubomir@474	1020	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1021	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1022	break;
lubomir@221	1023	case opc_pop:
jaroslav@272	1024	case opc_pop2:
lubomir@307	1025	smapper.pop(1);
jaroslav@399	1026	debug("/* pop */");
jaroslav@272	1027	break;
lubomir@281	1028	case opc_dup: {
lubomir@307	1029	final Variable v = smapper.get(0);
lubomir@474	1030	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1031	break;
jaroslav@21	1032	}
lubomir@281	1033	case opc_dup2: {
lubomir@585	1034	final Variable vi1 = smapper.get(0);
lubomir@585	1035
lubomir@585	1036	if (vi1.isCategory2()) {
lubomir@474	1037	emit(out, "var @1 = @2;",
lubomir@585	1038	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1039	} else {
lubomir@585	1040	final Variable vi2 = smapper.get(1);
lubomir@474	1041	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1042	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1043	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1044	}
jaroslav@21	1045	break;
jaroslav@21	1046	}
lubomir@281	1047	case opc_dup_x1: {
lubomir@307	1048	final Variable vi1 = smapper.pop();
lubomir@307	1049	final Variable vi2 = smapper.pop();
lubomir@307	1050	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1051	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1052	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1053
lubomir@474	1054	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1055	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1056	break;
lubomir@281	1057	}
lubomir@585	1058	case opc_dup2_x1: {
lubomir@585	1059	final Variable vi1 = smapper.pop();
lubomir@585	1060	final Variable vi2 = smapper.pop();
lubomir@585	1061
lubomir@585	1062	if (vi1.isCategory2()) {
lubomir@307	1063	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1064	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1065	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1066
lubomir@474	1067	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1068	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1069	} else {
lubomir@585	1070	final Variable vi3 = smapper.pop();
lubomir@585	1071	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1072	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1073	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1074	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1075	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1076
lubomir@585	1077	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1078	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1079	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1080	vo4, vo1, vo5, vo2);
lubomir@585	1081	}
lubomir@585	1082	break;
lubomir@585	1083	}
lubomir@585	1084	case opc_dup_x2: {
lubomir@585	1085	final Variable vi1 = smapper.pop();
lubomir@585	1086	final Variable vi2 = smapper.pop();
lubomir@585	1087
lubomir@585	1088	if (vi2.isCategory2()) {
lubomir@585	1089	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1090	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1091	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1092
lubomir@585	1093	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1094	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1095	} else {
lubomir@307	1096	final Variable vi3 = smapper.pop();
lubomir@307	1097	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1098	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1099	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1100	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1101
lubomir@474	1102	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1103	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1104	}
jaroslav@8	1105	break;
lubomir@281	1106	}
lubomir@585	1107	case opc_dup2_x2: {
lubomir@585	1108	final Variable vi1 = smapper.pop();
lubomir@585	1109	final Variable vi2 = smapper.pop();
lubomir@585	1110
lubomir@585	1111	if (vi1.isCategory2()) {
lubomir@585	1112	if (vi2.isCategory2()) {
lubomir@585	1113	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1114	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1115	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1116
lubomir@585	1117	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1118	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1119	} else {
lubomir@585	1120	final Variable vi3 = smapper.pop();
lubomir@585	1121	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1122	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1123	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1124	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1125
lubomir@585	1126	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1127	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1128	}
lubomir@585	1129	} else {
lubomir@585	1130	final Variable vi3 = smapper.pop();
lubomir@585	1131
lubomir@585	1132	if (vi3.isCategory2()) {
lubomir@585	1133	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1134	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1135	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1136	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1137	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1138
lubomir@585	1139	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1140	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1141	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1142	vo4, vo1, vo5, vo2);
lubomir@585	1143	} else {
lubomir@585	1144	final Variable vi4 = smapper.pop();
lubomir@585	1145	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1146	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1147	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1148	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1149	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1150	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1151
lubomir@585	1152	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1153	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1154	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1155	vo5, vo1, vo6, vo2);
lubomir@585	1156	}
lubomir@585	1157	}
lubomir@585	1158	break;
lubomir@585	1159	}
lubomir@585	1160	case opc_swap: {
lubomir@585	1161	final Variable vi1 = smapper.get(0);
lubomir@585	1162	final Variable vi2 = smapper.get(1);
lubomir@585	1163
lubomir@585	1164	if (vi1.getType() == vi2.getType()) {
lubomir@585	1165	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1166
lubomir@585	1167	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1168	tmp, vi1, vi2);
lubomir@585	1169	smapper.pop(1);
lubomir@585	1170	} else {
lubomir@585	1171	smapper.pop(2);
lubomir@585	1172	smapper.pushT(vi1.getType());
lubomir@585	1173	smapper.pushT(vi2.getType());
lubomir@585	1174	}
lubomir@585	1175	break;
lubomir@585	1176	}
jaroslav@151	1177	case opc_bipush:
lubomir@474	1178	emit(out, "var @1 = @2;",
lubomir@307	1179	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1180	break;
jaroslav@151	1181	case opc_sipush:
lubomir@474	1182	emit(out, "var @1 = @2;",
lubomir@307	1183	smapper.pushI(),
jaroslav@864	1184	Integer.toString(readShortArg(byteCodes, i)));
jaroslav@31	1185	i += 2;
jaroslav@31	1186	break;
jaroslav@151	1187	case opc_getfield: {
jaroslav@864	1188	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1189	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1190	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1191	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1192	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1193	emit(out, "var @2 = @4(false)._@3.call(@1);",
jaroslav@592	1194	smapper.popA(),
jaroslav@592	1195	smapper.pushT(type), fi[1], mangleClassAccess
jaroslav@592	1196	);
jaroslav@592	1197	i += 2;
jaroslav@592	1198	break;
jaroslav@592	1199	}
jaroslav@592	1200	case opc_putfield: {
jaroslav@864	1201	int indx = readUShortArg(byteCodes, i);
jaroslav@592	1202	String[] fi = jc.getFieldInfoName(indx);
jaroslav@592	1203	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1204	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1205	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1206	emit(out, "@4(false)._@3.call(@2, @1);",
jaroslav@592	1207	smapper.popT(type),
jaroslav@592	1208	smapper.popA(), fi[1],
jaroslav@592	1209	mangleClassAccess
jaroslav@592	1210	);
jaroslav@8	1211	i += 2;
jaroslav@8	1212	break;
jaroslav@8	1213	}
jaroslav@151	1214	case opc_getstatic: {
jaroslav@864	1215	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1216	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1217	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1218	emit(out, "var @1 = @2(false)._@3();",
lubomir@317	1219	smapper.pushT(type),
lubomir@317	1220	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1221	i += 2;
jaroslav@151	1222	addReference(fi[0]);
jaroslav@9	1223	break;
jaroslav@9	1224	}
lubomir@281	1225	case opc_putstatic: {
jaroslav@864	1226	int indx = readUShortArg(byteCodes, i);
lubomir@281	1227	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1228	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1229	emit(out, "@1(false)._@2(@3);",
lubomir@317	1230	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1231	smapper.popT(type));
lubomir@281	1232	i += 2;
lubomir@281	1233	addReference(fi[0]);
lubomir@281	1234	break;
lubomir@281	1235	}
jaroslav@151	1236	case opc_checkcast: {
jaroslav@864	1237	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1238	generateCheckcast(indx, smapper);
jaroslav@30	1239	i += 2;
jaroslav@30	1240	break;
jaroslav@30	1241	}
jaroslav@151	1242	case opc_instanceof: {
jaroslav@864	1243	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1244	generateInstanceOf(indx, smapper);
jaroslav@17	1245	i += 2;
jaroslav@30	1246	break;
jaroslav@17	1247	}
jaroslav@151	1248	case opc_athrow: {
lubomir@307	1249	final Variable v = smapper.popA();
lubomir@307	1250	smapper.clear();
lubomir@281	1251
lubomir@474	1252	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1253	smapper.pushA(), v);
jaroslav@104	1254	break;
jaroslav@104	1255	}
lubomir@221	1256
lubomir@221	1257	case opc_monitorenter: {
lubomir@221	1258	out.append("/* monitor enter */");
lubomir@307	1259	smapper.popA();
lubomir@221	1260	break;
lubomir@221	1261	}
lubomir@221	1262
lubomir@221	1263	case opc_monitorexit: {
lubomir@221	1264	out.append("/* monitor exit */");
lubomir@307	1265	smapper.popA();
lubomir@221	1266	break;
lubomir@221	1267	}
lubomir@221	1268
lubomir@585	1269	case opc_wide:
lubomir@585	1270	wide = true;
lubomir@585	1271	break;
lubomir@585	1272
jaroslav@104	1273	default: {
lubomir@585	1274	wide = false;
lubomir@283	1275	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1276	Integer.toString(c));
jaroslav@104	1277	}
jaroslav@0	1278	}
jaroslav@399	1279	if (debug(" //")) {
jaroslav@842	1280	generateByteCodeComment(prev, i, byteCodes);
jaroslav@0	1281	}
tzezula@285	1282	out.append("\n");
jaroslav@0	1283	}
jaroslav@398	1284	if (previousTrap != null) {
jaroslav@843	1285	generateCatch(previousTrap, byteCodes.length, topMostLabel);
jaroslav@398	1286	}
jaroslav@839	1287	out.append("\n }\n");
jaroslav@839	1288	while (openBraces-- > 0) {
jaroslav@839	1289	out.append('}');
jaroslav@839	1290	}
jaroslav@839	1291	out.append("\n};");
jaroslav@4	1292	}
jaroslav@4	1293
jaroslav@843	1294	private int generateIf(byte[] byteCodes, int i, final Variable v2, final Variable v1, final String test, int topMostLabel) throws IOException {
jaroslav@864	1295	int indx = i + readShortArg(byteCodes, i);
lubomir@281	1296	out.append("if (").append(v1)
lubomir@221	1297	.append(' ').append(test).append(' ')
jaroslav@839	1298	.append(v2).append(") ");
jaroslav@843	1299	goTo(out, i, indx, topMostLabel);
jaroslav@4	1300	return i + 2;
jaroslav@4	1301	}
jaroslav@839	1302
lubomir@697	1303	private int readInt4(byte[] byteCodes, int offset) {
lubomir@697	1304	final int d = byteCodes[offset + 0] << 24;
lubomir@697	1305	final int c = byteCodes[offset + 1] << 16;
lubomir@697	1306	final int b = byteCodes[offset + 2] << 8;
lubomir@697	1307	final int a = byteCodes[offset + 3];
jaroslav@115	1308	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1309	}
jaroslav@864	1310	private static int readUByte(byte[] byteCodes, int offset) {
lubomir@697	1311	return byteCodes[offset] & 0xff;
jtulach@128	1312	}
lubomir@585	1313
jaroslav@864	1314	private static int readUShort(byte[] byteCodes, int offset) {
lubomir@697	1315	return ((byteCodes[offset] & 0xff) << 8)
lubomir@697	1316	\| (byteCodes[offset + 1] & 0xff);
lubomir@697	1317	}
jaroslav@864	1318	private static int readUShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1319	return readUShort(byteCodes, offsetInstruction + 1);
jaroslav@864	1320	}
lubomir@697	1321
jaroslav@864	1322	private static int readShort(byte[] byteCodes, int offset) {
jaroslav@864	1323	int signed = byteCodes[offset];
jaroslav@864	1324	byte b0 = (byte)signed;
jaroslav@864	1325	return (b0 << 8) \| (byteCodes[offset + 1] & 0xff);
jaroslav@864	1326	}
jaroslav@864	1327	private static int readShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1328	return readShort(byteCodes, offsetInstruction + 1);
lubomir@585	1329	}
lubomir@585	1330
lubomir@281	1331	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1332	int i = 0;
jaroslav@4	1333	Boolean count = null;
jaroslav@32	1334	boolean array = false;
jaroslav@248	1335	sig.append("__");
jaroslav@10	1336	int firstPos = sig.length();
jaroslav@4	1337	while (i < descriptor.length()) {
jaroslav@4	1338	char ch = descriptor.charAt(i++);
jaroslav@4	1339	switch (ch) {
jaroslav@4	1340	case '(':
jaroslav@4	1341	count = true;
jaroslav@4	1342	continue;
jaroslav@4	1343	case ')':
jaroslav@4	1344	count = false;
jaroslav@4	1345	continue;
jaroslav@4	1346	case 'B':
jaroslav@4	1347	case 'C':
jaroslav@4	1348	case 'D':
jaroslav@4	1349	case 'F':
jaroslav@4	1350	case 'I':
jaroslav@4	1351	case 'J':
jaroslav@4	1352	case 'S':
jaroslav@4	1353	case 'Z':
jaroslav@4	1354	if (count) {
jaroslav@32	1355	if (array) {
jaroslav@248	1356	sig.append("_3");
jaroslav@32	1357	}
jaroslav@4	1358	sig.append(ch);
jtulach@156	1359	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1360	cnt.append('1');
jtulach@156	1361	} else {
jtulach@156	1362	cnt.append('0');
jtulach@156	1363	}
jaroslav@4	1364	} else {
jaroslav@10	1365	sig.insert(firstPos, ch);
jaroslav@32	1366	if (array) {
lubomir@281	1367	returnType[0] = '[';
jaroslav@248	1368	sig.insert(firstPos, "_3");
lubomir@281	1369	} else {
lubomir@281	1370	returnType[0] = ch;
jaroslav@32	1371	}
jaroslav@4	1372	}
jaroslav@93	1373	array = false;
jaroslav@4	1374	continue;
jaroslav@4	1375	case 'V':
jaroslav@4	1376	assert !count;
lubomir@281	1377	returnType[0] = 'V';
jaroslav@10	1378	sig.insert(firstPos, 'V');
jaroslav@4	1379	continue;
jaroslav@4	1380	case 'L':
jaroslav@16	1381	int next = descriptor.indexOf(';', i);
jaroslav@248	1382	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1383	if (count) {
jaroslav@32	1384	if (array) {
jaroslav@248	1385	sig.append("_3");
jaroslav@32	1386	}
jaroslav@248	1387	sig.append(realSig);
jtulach@156	1388	cnt.append('0');
jaroslav@4	1389	} else {
jaroslav@248	1390	sig.insert(firstPos, realSig);
jaroslav@32	1391	if (array) {
jaroslav@248	1392	sig.insert(firstPos, "_3");
jaroslav@32	1393	}
lubomir@281	1394	returnType[0] = 'L';
jaroslav@4	1395	}
jaroslav@16	1396	i = next + 1;
lubomir@407	1397	array = false;
jaroslav@4	1398	continue;
jaroslav@4	1399	case '[':
jaroslav@248	1400	array = true;
jaroslav@4	1401	continue;
jaroslav@4	1402	default:
jaroslav@248	1403	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1404	}
jaroslav@4	1405	}
jaroslav@0	1406	}
jaroslav@248	1407
jaroslav@592	1408	static String mangleSig(String sig) {
jaroslav@592	1409	return mangleSig(sig, 0, sig.length());
jaroslav@592	1410	}
jaroslav@592	1411
jaroslav@248	1412	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1413	StringBuilder sb = new StringBuilder();
jaroslav@248	1414	for (int i = first; i < last; i++) {
jaroslav@248	1415	final char ch = txt.charAt(i);
jaroslav@248	1416	switch (ch) {
jaroslav@248	1417	case '/': sb.append('_'); break;
jaroslav@248	1418	case '_': sb.append("_1"); break;
jaroslav@248	1419	case ';': sb.append("_2"); break;
jaroslav@248	1420	case '[': sb.append("_3"); break;
jaroslav@248	1421	default: sb.append(ch); break;
jaroslav@248	1422	}
jaroslav@248	1423	}
jaroslav@248	1424	return sb.toString();
jaroslav@248	1425	}
jaroslav@9	1426
jaroslav@248	1427	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1428	StringBuilder name = new StringBuilder();
jaroslav@10	1429	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1430	name.append("cons"); // NOI18N
jaroslav@19	1431	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1432	name.append("class"); // NOI18N
jaroslav@10	1433	} else {
jaroslav@42	1434	name.append(m.getName());
jaroslav@10	1435	}
jaroslav@42	1436
lubomir@282	1437	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1438	return name.toString();
jaroslav@10	1439	}
jaroslav@10	1440
lubomir@282	1441	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1442	StringBuilder name = new StringBuilder();
jaroslav@151	1443	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1444	String nm= mi[1];
jaroslav@151	1445	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1446	name.append("cons"); // NOI18N
jaroslav@10	1447	} else {
jaroslav@151	1448	name.append(nm);
jaroslav@10	1449	}
lubomir@282	1450	countArgs(descr, returnType, name, cnt);
jaroslav@10	1451	return name.toString();
jaroslav@10	1452	}
jaroslav@10	1453
lubomir@307	1454	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1455	throws IOException {
jaroslav@864	1456	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1457	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1458	char[] returnType = { 'V' };
jtulach@156	1459	StringBuilder cnt = new StringBuilder();
lubomir@281	1460	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1461
lubomir@221	1462	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1463	final Variable[] vars = new Variable[numArguments];
lubomir@221	1464
lubomir@281	1465	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1466	vars[j] = mapper.pop();
jaroslav@11	1467	}
lubomir@281	1468
lubomir@281	1469	if (returnType[0] != 'V') {
lubomir@474	1470	out.append("var ")
lubomir@474	1471	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1472	.append(" = ");
jaroslav@10	1473	}
lubomir@221	1474
jaroslav@151	1475	final String in = mi[0];
jaroslav@274	1476	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1477	out.append("(false).");
jaroslav@397	1478	if (mn.startsWith("cons_")) {
jaroslav@397	1479	out.append("constructor.");
jaroslav@397	1480	}
jaroslav@10	1481	out.append(mn);
jaroslav@442	1482	if (isStatic) {
jaroslav@442	1483	out.append('(');
jaroslav@442	1484	} else {
jaroslav@442	1485	out.append(".call(");
jaroslav@442	1486	}
lubomir@221	1487	if (numArguments > 0) {
lubomir@281	1488	out.append(vars[0]);
lubomir@281	1489	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1490	out.append(", ");
lubomir@281	1491	out.append(vars[j]);
lubomir@221	1492	}
jaroslav@10	1493	}
lubomir@221	1494	out.append(");");
jaroslav@10	1495	i += 2;
jaroslav@18	1496	addReference(in);
jaroslav@10	1497	return i;
jaroslav@10	1498	}
lubomir@307	1499	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1500	throws IOException {
jaroslav@864	1501	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1502	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1503	char[] returnType = { 'V' };
jtulach@156	1504	StringBuilder cnt = new StringBuilder();
lubomir@281	1505	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1506
lubomir@281	1507	final int numArguments = cnt.length() + 1;
lubomir@281	1508	final Variable[] vars = new Variable[numArguments];
lubomir@221	1509
lubomir@281	1510	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1511	vars[j] = mapper.pop();
jaroslav@12	1512	}
lubomir@221	1513
lubomir@281	1514	if (returnType[0] != 'V') {
lubomir@474	1515	out.append("var ")
lubomir@474	1516	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1517	.append(" = ");
jaroslav@12	1518	}
lubomir@281	1519
lubomir@281	1520	out.append(vars[0]).append('.');
jaroslav@12	1521	out.append(mn);
jaroslav@12	1522	out.append('(');
jaroslav@442	1523	String sep = "";
lubomir@281	1524	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1525	out.append(sep);
lubomir@281	1526	out.append(vars[j]);
jaroslav@442	1527	sep = ", ";
jaroslav@12	1528	}
lubomir@221	1529	out.append(");");
jaroslav@12	1530	i += 2;
jaroslav@12	1531	return i;
jaroslav@12	1532	}
lubomir@221	1533
jaroslav@103	1534	private void addReference(String cn) throws IOException {
jtulach@162	1535	if (requireReference(cn)) {
jaroslav@399	1536	debug(" /* needs " + cn + " */");
jaroslav@18	1537	}
jaroslav@18	1538	}
jaroslav@16	1539
jaroslav@33	1540	private void outType(String d, StringBuilder out) {
jaroslav@33	1541	int arr = 0;
jaroslav@33	1542	while (d.charAt(0) == '[') {
jaroslav@33	1543	out.append('A');
jaroslav@33	1544	d = d.substring(1);
jaroslav@33	1545	}
jaroslav@16	1546	if (d.charAt(0) == 'L') {
jaroslav@16	1547	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1548	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1549	} else {
jaroslav@16	1550	out.append(d);
jaroslav@16	1551	}
jaroslav@16	1552	}
jaroslav@21	1553
jaroslav@230	1554	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1555	String[] classRef = { null };
jaroslav@230	1556	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1557	if (classRef[0] != null) {
jaroslav@567	1558	if (classRef[0].startsWith("[")) {
jaroslav@567	1559	s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
jaroslav@567	1560	} else {
jaroslav@567	1561	addReference(classRef[0]);
jaroslav@567	1562	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@567	1563	}
jaroslav@230	1564	}
jaroslav@151	1565	return s;
jaroslav@21	1566	}
jaroslav@32	1567
lubomir@869	1568	private String javaScriptBody(String destObject, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1569	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1570	if (arr == null) {
jaroslav@266	1571	return null;
jaroslav@152	1572	}
jaroslav@200	1573	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1574	class P extends AnnotationParser {
jaroslav@237	1575	public P() {
jaroslav@652	1576	super(false, true);
jaroslav@237	1577	}
jaroslav@237	1578
jaroslav@152	1579	int cnt;
jaroslav@152	1580	String[] args = new String[30];
jaroslav@152	1581	String body;
jaroslav@94	1582
jaroslav@152	1583	@Override
jaroslav@236	1584	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1585	if (type.equals(jvmType)) {
jaroslav@152	1586	if ("body".equals(attr)) {
jaroslav@152	1587	body = value;
jaroslav@152	1588	} else if ("args".equals(attr)) {
jaroslav@152	1589	args[cnt++] = value;
jaroslav@152	1590	} else {
jaroslav@152	1591	throw new IllegalArgumentException(attr);
jaroslav@152	1592	}
jaroslav@152	1593	}
jaroslav@94	1594	}
jaroslav@94	1595	}
jaroslav@152	1596	P p = new P();
jaroslav@152	1597	p.parse(arr, jc);
jaroslav@152	1598	if (p.body == null) {
jaroslav@266	1599	return null;
jaroslav@152	1600	}
jtulach@156	1601	StringBuilder cnt = new StringBuilder();
jaroslav@266	1602	final String mn = findMethodName(m, cnt);
lubomir@869	1603	out.append(destObject).append(".").append(mn);
jaroslav@203	1604	out.append(" = function(");
jaroslav@442	1605	String space = "";
jaroslav@443	1606	int index = 0;
jtulach@156	1607	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1608	out.append(space);
jaroslav@316	1609	space = outputArg(out, p.args, index);
jaroslav@152	1610	index++;
jaroslav@152	1611	}
jaroslav@152	1612	out.append(") {").append("\n");
jaroslav@152	1613	out.append(p.body);
jaroslav@152	1614	out.append("\n}\n");
jaroslav@266	1615	return mn;
jaroslav@151	1616	}
jaroslav@151	1617	private static String className(ClassData jc) {
jaroslav@151	1618	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1619	return jc.getClassName().replace('/', '_');
jaroslav@94	1620	}
jaroslav@152	1621
jaroslav@152	1622	private static String[] findAnnotation(
jaroslav@152	1623	byte[] arr, ClassData cd, final String className,
jaroslav@152	1624	final String... attrNames
jaroslav@152	1625	) throws IOException {
jaroslav@152	1626	if (arr == null) {
jaroslav@152	1627	return null;
jaroslav@152	1628	}
jaroslav@152	1629	final String[] values = new String[attrNames.length];
jaroslav@152	1630	final boolean[] found = { false };
jaroslav@152	1631	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@652	1632	AnnotationParser ap = new AnnotationParser(false, true) {
jaroslav@152	1633	@Override
jaroslav@236	1634	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1635	if (type.equals(jvmType)) {
jaroslav@152	1636	found[0] = true;
jaroslav@152	1637	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1638	if (attrNames[i].equals(attr)) {
jaroslav@152	1639	values[i] = value;
jaroslav@152	1640	}
jaroslav@152	1641	}
jaroslav@152	1642	}
jaroslav@152	1643	}
jaroslav@152	1644
jaroslav@152	1645	};
jaroslav@152	1646	ap.parse(arr, cd);
jaroslav@152	1647	return found[0] ? values : null;
jaroslav@152	1648	}
jaroslav@173	1649
jaroslav@173	1650	private CharSequence initField(FieldData v) {
jaroslav@173	1651	final String is = v.getInternalSig();
jaroslav@173	1652	if (is.length() == 1) {
jaroslav@173	1653	switch (is.charAt(0)) {
jaroslav@173	1654	case 'S':
jaroslav@173	1655	case 'J':
jaroslav@173	1656	case 'B':
jaroslav@173	1657	case 'Z':
jaroslav@173	1658	case 'C':
jaroslav@173	1659	case 'I': return " = 0;";
jaroslav@173	1660	case 'F':
jaroslav@180	1661	case 'D': return " = 0.0;";
jaroslav@173	1662	default:
jaroslav@173	1663	throw new IllegalStateException(is);
jaroslav@173	1664	}
jaroslav@173	1665	}
jaroslav@173	1666	return " = null;";
jaroslav@173	1667	}
jaroslav@235	1668
jaroslav@655	1669	private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@652	1670	AnnotationParser ap = new AnnotationParser(true, false) {
jaroslav@652	1671	int[] cnt = new int[32];
jaroslav@652	1672	int depth;
jaroslav@235	1673
jaroslav@235	1674	@Override
jaroslav@659	1675	protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
jaroslav@659	1676	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@659	1677	requireReference(slashType);
jaroslav@659	1678
jaroslav@652	1679	if (cnt[depth]++ > 0) {
jaroslav@237	1680	out.append(",");
jaroslav@237	1681	}
jaroslav@659	1682	if (top) {
jaroslav@659	1683	out.append('"').append(attrType).append("\" : ");
jaroslav@659	1684	}
jaroslav@659	1685	out.append("{\n");
jaroslav@652	1686	cnt[++depth] = 0;
jaroslav@235	1687	}
jaroslav@235	1688
jaroslav@235	1689	@Override
jaroslav@659	1690	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@235	1691	out.append("\n}\n");
jaroslav@652	1692	depth--;
jaroslav@652	1693	}
jaroslav@652	1694
jaroslav@652	1695	@Override
jaroslav@652	1696	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@652	1697	if (cnt[depth]++ > 0) {
jaroslav@652	1698	out.append(",\n");
jaroslav@652	1699	}
jaroslav@652	1700	cnt[++depth] = 0;
jaroslav@652	1701	if (attrName != null) {
jaroslav@652	1702	out.append(attrName).append(" : ");
jaroslav@652	1703	}
jaroslav@652	1704	if (type == '[') {
jaroslav@652	1705	out.append("[");
jaroslav@652	1706	}
jaroslav@652	1707	}
jaroslav@652	1708
jaroslav@652	1709	@Override
jaroslav@652	1710	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@652	1711	if (type == '[') {
jaroslav@652	1712	out.append("]");
jaroslav@652	1713	}
jaroslav@652	1714	depth--;
jaroslav@235	1715	}
jaroslav@235	1716
jaroslav@235	1717	@Override
jaroslav@236	1718	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1719	throws IOException {
jaroslav@652	1720	if (attr == null && value == null) {
jaroslav@266	1721	return;
jaroslav@266	1722	}
jaroslav@652	1723	out.append(value);
jaroslav@592	1724	}
jaroslav@655	1725
jaroslav@655	1726	@Override
jaroslav@655	1727	protected void visitEnumAttr(String type, String attr, String attrType, String value)
jaroslav@655	1728	throws IOException {
jaroslav@655	1729	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@655	1730	requireReference(slashType);
jaroslav@655	1731
jaroslav@655	1732	out.append(accessClass(slashType.replace('/', '_')))
jaroslav@655	1733	.append("(false).constructor.").append(value);
jaroslav@235	1734	}
jaroslav@235	1735	};
jaroslav@235	1736	ap.parse(data, cd);
jaroslav@235	1737	}
jaroslav@316	1738
jaroslav@316	1739	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1740	final String name = args[indx];
jaroslav@316	1741	if (name == null) {
jaroslav@316	1742	return "";
jaroslav@316	1743	}
jaroslav@316	1744	if (name.contains(",")) {
jaroslav@316	1745	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1746	}
jaroslav@316	1747	out.append(name);
jaroslav@316	1748	return ",";
jaroslav@316	1749	}
lubomir@317	1750
lubomir@283	1751	private static void emit(final Appendable out,
lubomir@283	1752	final String format,
lubomir@283	1753	final CharSequence... params) throws IOException {
lubomir@283	1754	final int length = format.length();
lubomir@283	1755
lubomir@283	1756	int processed = 0;
lubomir@283	1757	int paramOffset = format.indexOf('@');
lubomir@283	1758	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1759	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1760	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1761	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1762
lubomir@283	1763	out.append(format, processed, paramOffset);
lubomir@283	1764	out.append(params[paramIndex]);
lubomir@283	1765
lubomir@283	1766	++paramOffset;
lubomir@283	1767	processed = paramOffset + 1;
lubomir@283	1768	}
lubomir@283	1769
lubomir@283	1770	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1771	}
lubomir@283	1772
lubomir@283	1773	out.append(format, processed, length);
lubomir@283	1774	}
jaroslav@398	1775
jaroslav@843	1776	private void generateCatch(TrapData[] traps, int current, int topMostLabel) throws IOException {
jaroslav@400	1777	out.append("} catch (e) {\n");
jaroslav@401	1778	int finallyPC = -1;
jaroslav@398	1779	for (TrapData e : traps) {
jaroslav@398	1780	if (e == null) {
jaroslav@398	1781	break;
jaroslav@398	1782	}
jaroslav@398	1783	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1784	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1785	addReference(classInternalName);
jaroslav@423	1786	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1787	out.append("if (e.$instOf_java_lang_Throwable) {");
lubomir@474	1788	out.append(" var stA0 = e;");
jaroslav@423	1789	out.append("} else {");
lubomir@474	1790	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1791	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1792	out.append("}");
jaroslav@843	1793	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1794	} else {
jaroslav@423	1795	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@839	1796	out.append("var stA0 = e;");
jaroslav@843	1797	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1798	out.append("}\n");
jaroslav@423	1799	}
jaroslav@398	1800	} else {
jaroslav@401	1801	finallyPC = e.handler_pc;
jaroslav@398	1802	}
jaroslav@398	1803	}
jaroslav@401	1804	if (finallyPC == -1) {
jaroslav@401	1805	out.append("throw e;");
jaroslav@401	1806	} else {
jaroslav@839	1807	out.append("var stA0 = e;");
jaroslav@843	1808	goTo(out, current, finallyPC, topMostLabel);
jaroslav@401	1809	}
jaroslav@400	1810	out.append("\n}");
jaroslav@398	1811	}
jaroslav@839	1812
jaroslav@843	1813	private static void goTo(Appendable out, int current, int to, int canBack) throws IOException {
jaroslav@839	1814	if (to < current) {
jaroslav@843	1815	if (canBack < to) {
jaroslav@843	1816	out.append("{ gt = 0; continue X_" + to + "; }");
jaroslav@843	1817	} else {
jaroslav@843	1818	out.append("{ gt = " + to + "; continue X_0; }");
jaroslav@843	1819	}
jaroslav@839	1820	} else {
jaroslav@839	1821	out.append("{ gt = " + to + "; break IF; }");
jaroslav@839	1822	}
jaroslav@839	1823	}
jaroslav@839	1824
jaroslav@843	1825	private static void emitIf(
jaroslav@843	1826	Appendable out, String pattern, Variable param,
jaroslav@843	1827	int current, int to, int canBack
jaroslav@843	1828	) throws IOException {
jaroslav@839	1829	emit(out, pattern, param);
jaroslav@843	1830	goTo(out, current, to, canBack);
jaroslav@839	1831	}
jaroslav@842	1832
jaroslav@842	1833	private void generateNewArray(int atype, final StackMapper smapper) throws IOException, IllegalStateException {
jaroslav@842	1834	String jvmType;
jaroslav@842	1835	switch (atype) {
jaroslav@842	1836	case 4: jvmType = "[Z"; break;
jaroslav@842	1837	case 5: jvmType = "[C"; break;
jaroslav@842	1838	case 6: jvmType = "[F"; break;
jaroslav@842	1839	case 7: jvmType = "[D"; break;
jaroslav@842	1840	case 8: jvmType = "[B"; break;
jaroslav@842	1841	case 9: jvmType = "[S"; break;
jaroslav@842	1842	case 10: jvmType = "[I"; break;
jaroslav@842	1843	case 11: jvmType = "[J"; break;
jaroslav@842	1844	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@842	1845	}
jaroslav@842	1846	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@842	1847	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@842	1848	}
jaroslav@842	1849
jaroslav@842	1850	private void generateANewArray(int type, final StackMapper smapper) throws IOException {
jaroslav@842	1851	String typeName = jc.getClassName(type);
jaroslav@842	1852	if (typeName.startsWith("[")) {
jaroslav@842	1853	typeName = "[" + typeName;
jaroslav@842	1854	} else {
jaroslav@842	1855	typeName = "[L" + typeName + ";";
jaroslav@842	1856	}
jaroslav@842	1857	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@842	1858	smapper.popI(), smapper.pushA(), typeName);
jaroslav@842	1859	}
jaroslav@842	1860
jaroslav@842	1861	private int generateMultiANewArray(int type, final byte[] byteCodes, int i, final StackMapper smapper) throws IOException {
jaroslav@842	1862	String typeName = jc.getClassName(type);
jaroslav@842	1863	int dim = readUByte(byteCodes, ++i);
jaroslav@842	1864	StringBuilder dims = new StringBuilder();
jaroslav@842	1865	dims.append('[');
jaroslav@842	1866	for (int d = 0; d < dim; d++) {
jaroslav@842	1867	if (d != 0) {
jaroslav@842	1868	dims.insert(1, ",");
jaroslav@842	1869	}
jaroslav@842	1870	dims.insert(1, smapper.popI());
jaroslav@842	1871	}
jaroslav@842	1872	dims.append(']');
jaroslav@842	1873	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@842	1874	dims.toString(), smapper.pushA(), typeName);
jaroslav@842	1875	return i;
jaroslav@842	1876	}
jaroslav@842	1877
jaroslav@843	1878	private int generateTableSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1879	int table = i / 4 * 4 + 4;
jaroslav@842	1880	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1881	table += 4;
jaroslav@842	1882	int low = readInt4(byteCodes, table);
jaroslav@842	1883	table += 4;
jaroslav@842	1884	int high = readInt4(byteCodes, table);
jaroslav@842	1885	table += 4;
jaroslav@842	1886	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1887	while (low <= high) {
jaroslav@842	1888	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1889	table += 4;
jaroslav@843	1890	out.append(" case " + low).append(":"); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1891	low++;
jaroslav@842	1892	}
jaroslav@842	1893	out.append(" default: ");
jaroslav@843	1894	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1895	out.append("\n}");
jaroslav@842	1896	i = table - 1;
jaroslav@842	1897	return i;
jaroslav@842	1898	}
jaroslav@842	1899
jaroslav@843	1900	private int generateLookupSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1901	int table = i / 4 * 4 + 4;
jaroslav@842	1902	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1903	table += 4;
jaroslav@842	1904	int n = readInt4(byteCodes, table);
jaroslav@842	1905	table += 4;
jaroslav@842	1906	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1907	while (n-- > 0) {
jaroslav@842	1908	int cnstnt = readInt4(byteCodes, table);
jaroslav@842	1909	table += 4;
jaroslav@842	1910	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1911	table += 4;
jaroslav@843	1912	out.append(" case " + cnstnt).append(": "); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1913	}
jaroslav@842	1914	out.append(" default: ");
jaroslav@843	1915	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1916	out.append("\n}");
jaroslav@842	1917	i = table - 1;
jaroslav@842	1918	return i;
jaroslav@842	1919	}
jaroslav@842	1920
jaroslav@842	1921	private void generateInstanceOf(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1922	final String type = jc.getClassName(indx);
jaroslav@842	1923	if (!type.startsWith("[")) {
jaroslav@842	1924	emit(out, "var @2 = @1 != null && @1.$instOf_@3 ? 1 : 0;",
jaroslav@842	1925	smapper.popA(), smapper.pushI(),
jaroslav@842	1926	type.replace('/', '_'));
jaroslav@842	1927	} else {
jaroslav@842	1928	emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
jaroslav@842	1929	smapper.popA(), smapper.pushI(),
jaroslav@842	1930	type
jaroslav@842	1931	);
jaroslav@842	1932	}
jaroslav@842	1933	}
jaroslav@842	1934
jaroslav@842	1935	private void generateCheckcast(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1936	final String type = jc.getClassName(indx);
jaroslav@842	1937	if (!type.startsWith("[")) {
jaroslav@842	1938	emit(out,
jaroslav@962	1939	"if (@1 !== null && !@1.$instOf_@2) throw vm.java_lang_ClassCastException(true);",
jaroslav@842	1940	smapper.getA(0), type.replace('/', '_'));
jaroslav@842	1941	} else {
jaroslav@842	1942	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);",
jaroslav@842	1943	smapper.getA(0), type
jaroslav@842	1944	);
jaroslav@842	1945	}
jaroslav@842	1946	}
jaroslav@842	1947
jaroslav@842	1948	private void generateByteCodeComment(int prev, int i, final byte[] byteCodes) throws IOException {
jaroslav@842	1949	for (int j = prev; j <= i; j++) {
jaroslav@842	1950	out.append(" ");
jaroslav@842	1951	final int cc = readUByte(byteCodes, j);
jaroslav@842	1952	out.append(Integer.toString(cc));
jaroslav@842	1953	}
jaroslav@842	1954	}
jaroslav@0	1955	}

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Thu, 25 Apr 2013 16:17:48 +0200
branch	closure
changeset 1020	a6bacea2518f
parent 962	787578f33c21
child 1029	b1fe994d4267
permissions	-rw-r--r--