hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@b1fe994d4267 (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;
jaroslav@0	31
lubomir@1029	32	protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0	33	this.out = out;
jaroslav@0	34	}
jtulach@162	35
jtulach@162	36	/* Collects additional required resources.
jtulach@162	37	*
jtulach@162	38	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	39	* generated JavaScript code works properly. The names are in internal
jtulach@162	40	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	41	*/
jtulach@162	42	protected abstract boolean requireReference(String internalClassName);
jtulach@162	43
jtulach@162	44	/*
jtulach@162	45	* @param resourcePath name of resources to read
jtulach@162	46	*/
jaroslav@503	47	protected abstract void requireScript(String resourcePath) throws IOException;
jaroslav@213	48
jaroslav@213	49	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	50	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	51	* by <code>" = "</code>;
jaroslav@213	52	*
jaroslav@213	53	* @param className suggested name of the class
jaroslav@213	54	*/
jaroslav@274	55	/* protected */ String assignClass(String className) {
jaroslav@213	56	return className + " = ";
jaroslav@213	57	}
jaroslav@274	58	/* protected */ String accessClass(String classOperation) {
jaroslav@274	59	return classOperation;
jaroslav@274	60	}
lubomir@869	61
lubomir@1029	62	protected void declaredClass(ClassData classData, String mangledName)
lubomir@1029	63	throws IOException {
lubomir@1029	64	}
lubomir@869	65
jaroslav@399	66	/** Prints out a debug message.
jaroslav@399	67	*
jaroslav@399	68	* @param msg the message
jaroslav@399	69	* @return true if the message has been printed
jaroslav@399	70	* @throws IOException
jaroslav@399	71	*/
jaroslav@399	72	boolean debug(String msg) throws IOException {
jaroslav@399	73	out.append(msg);
jaroslav@399	74	return true;
jaroslav@399	75	}
jaroslav@18	76
jaroslav@18	77	/**
jaroslav@18	78	* Converts a given class file to a JavaScript version.
jaroslav@18	79	*
jaroslav@0	80	* @param classFile input stream with code of the .class file
jaroslav@97	81	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	82	*
jaroslav@0	83	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	84	*/
jaroslav@18	85
jtulach@162	86	public String compile(InputStream classFile) throws IOException {
jtulach@162	87	this.jc = new ClassData(classFile);
jaroslav@324	88	if (jc.getMajor_version() < 50) {
jaroslav@324	89	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	90	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	91	);
jaroslav@324	92	}
jaroslav@152	93	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	94	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	95	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	96	"resource", "processByteCode"
jaroslav@170	97	);
jaroslav@152	98	if (arr != null) {
lubomir@848	99	if (!arr[0].isEmpty()) {
lubomir@848	100	requireScript(arr[0]);
lubomir@848	101	}
jaroslav@152	102	if ("0".equals(arr[1])) {
jaroslav@97	103	return null;
jaroslav@91	104	}
jaroslav@91	105	}
jaroslav@239	106	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	107	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	108	"container", "prototype"
jaroslav@239	109	);
jtulach@162	110	StringArray toInitilize = new StringArray();
jaroslav@151	111	final String className = className(jc);
jaroslav@213	112	out.append("\n\n").append(assignClass(className));
jaroslav@880	113	out.append("function ").append(className).append("() {");
jaroslav@880	114	out.append("\n var CLS = ").append(className).append(';');
jaroslav@711	115	out.append("\n if (!CLS.$class) {");
jaroslav@239	116	if (proto == null) {
jaroslav@239	117	String sc = jc.getSuperClassName(); // with _
jaroslav@230	118	out.append("\n var pp = ").
jaroslav@274	119	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	120	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	121	out.append("\n var c = p;");
jaroslav@230	122	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	123	} else {
jaroslav@240	124	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	125	if (proto[0] == null) {
jaroslav@316	126	proto[0] = "p";
jaroslav@316	127	}
jaroslav@239	128	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	129	out.append("\n var sprcls = null;");
jaroslav@13	130	}
jaroslav@592	131	for (FieldData v : jc.getFields()) {
jaroslav@592	132	if (v.isStatic()) {
jaroslav@592	133	out.append("\n CLS.").append(v.getName()).append(initField(v));
jaroslav@775	134	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@775	135	.append(" if (arguments.length == 1) CLS.").append(v.getName())
jaroslav@775	136	.append(" = v; return CLS.").
jaroslav@775	137	append(v.getName()).append("; };");
jaroslav@592	138	} else {
jaroslav@592	139	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@592	140	.append(" if (arguments.length == 1) this.fld_").
jaroslav@592	141	append(className).append('_').append(v.getName())
jaroslav@592	142	.append(" = v; return this.fld_").
jaroslav@592	143	append(className).append('_').append(v.getName())
jaroslav@592	144	.append("; };");
jaroslav@592	145	}
lubomir@869	146
lubomir@1029	147	// obfuscationDelegate.exportField(out, "c", "_" + v.getName(), v);
jaroslav@592	148	}
jaroslav@151	149	for (MethodData m : jc.getMethods()) {
jaroslav@240	150	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	151	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	152	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	153	"name", "value"
jaroslav@240	154	);
jaroslav@240	155	if (only != null) {
jaroslav@240	156	if (only[0] != null && only[1] != null) {
jaroslav@240	157	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	158	.append(only[1]).append(";");
jaroslav@240	159	}
jaroslav@240	160	continue;
jaroslav@240	161	}
lubomir@869	162	String destObject;
jaroslav@266	163	String mn;
lubomir@869	164	out.append("\n ");
jaroslav@203	165	if (m.isStatic()) {
lubomir@869	166	destObject = "c";
lubomir@869	167	mn = generateStaticMethod(destObject, m, toInitilize);
jaroslav@203	168	} else {
jaroslav@397	169	if (m.isConstructor()) {
lubomir@869	170	destObject = "CLS";
lubomir@869	171	mn = generateInstanceMethod(destObject, m);
jaroslav@397	172	} else {
lubomir@869	173	destObject = "c";
lubomir@869	174	mn = generateInstanceMethod(destObject, m);
jaroslav@397	175	}
jaroslav@266	176	}
lubomir@1029	177	// obfuscationDelegate.exportMethod(out, destObject, mn, m);
jaroslav@266	178	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	179	if (runAnno != null) {
lubomir@869	180	out.append("\n ").append(destObject).append(".").append(mn).append(".anno = {");
jaroslav@266	181	generateAnno(jc, out, runAnno);
jaroslav@266	182	out.append("\n };");
jaroslav@38	183	}
lubomir@869	184	out.append("\n ").append(destObject).append(".").append(mn).append(".access = " + m.getAccess()).append(";");
lubomir@869	185	out.append("\n ").append(destObject).append(".").append(mn).append(".cls = CLS;");
jaroslav@38	186	}
jaroslav@239	187	out.append("\n c.constructor = CLS;");
lubomir@869	188	String instOfName = "$instOf_" + className;
lubomir@869	189	out.append("\n c.").append(instOfName).append(" = true;");
lubomir@1029	190	// obfuscationDelegate.exportJSProperty(out, "c", instOfName);
jaroslav@151	191	for (String superInterface : jc.getSuperInterfaces()) {
lubomir@869	192	instOfName = "$instOf_" + superInterface.replace('/', '_');
lubomir@869	193	out.append("\n c.").append(instOfName).append(" = true;");
lubomir@1029	194	// obfuscationDelegate.exportJSProperty(out, "c", instOfName);
jaroslav@40	195	}
jaroslav@711	196	out.append("\n CLS.$class = 'temp';");
jaroslav@274	197	out.append("\n CLS.$class = ");
jaroslav@274	198	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	199	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	200	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	201	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	202	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	203	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	204	if (classAnno != null) {
jaroslav@235	205	out.append("\n CLS.$class.anno = {");
jaroslav@235	206	generateAnno(jc, out, classAnno);
jaroslav@235	207	out.append("\n };");
jaroslav@235	208	}
jaroslav@834	209	for (String init : toInitilize.toArray()) {
jaroslav@834	210	out.append("\n ").append(init).append("();");
jaroslav@834	211	}
jaroslav@204	212	out.append("\n }");
jaroslav@205	213	out.append("\n if (arguments.length === 0) {");
jaroslav@226	214	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	215	out.append("\n return new CLS();");
jaroslav@226	216	out.append("\n }");
jaroslav@205	217	for (FieldData v : jc.getFields()) {
jaroslav@240	218	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	219	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	220	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	221	"name", "value"
jaroslav@240	222	);
jaroslav@240	223	if (only != null) {
jaroslav@240	224	if (only[0] != null && only[1] != null) {
jaroslav@240	225	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	226	.append(only[1]).append(";");
jaroslav@240	227	}
jaroslav@240	228	continue;
jaroslav@240	229	}
jaroslav@205	230	if (!v.isStatic()) {
jaroslav@205	231	out.append("\n this.fld_").
jaroslav@592	232	append(className).append('_').
jaroslav@205	233	append(v.getName()).append(initField(v));
jaroslav@205	234	}
jaroslav@205	235	}
jaroslav@205	236	out.append("\n return this;");
jaroslav@205	237	out.append("\n }");
jaroslav@224	238	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@509	239	out.append("\n};");
lubomir@869	240
lubomir@1029	241	declaredClass(jc, className);
lubomir@869	242
jaroslav@834	243	// StringBuilder sb = new StringBuilder();
jaroslav@834	244	// for (String init : toInitilize.toArray()) {
jaroslav@834	245	// sb.append("\n").append(init).append("();");
jaroslav@834	246	// }
jaroslav@834	247	return "";
jaroslav@0	248	}
lubomir@869	249	private String generateStaticMethod(String destObject, MethodData m, StringArray toInitilize) throws IOException {
lubomir@869	250	String jsb = javaScriptBody(destObject, m, true);
jaroslav@266	251	if (jsb != null) {
jaroslav@266	252	return jsb;
jaroslav@94	253	}
lubomir@307	254	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	255	if (mn.equals("class__V")) {
jaroslav@274	256	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	257	}
lubomir@869	258	generateMethod(destObject, mn, m);
jaroslav@266	259	return mn;
jaroslav@10	260	}
lubomir@307	261
lubomir@869	262	private String generateInstanceMethod(String destObject, MethodData m) throws IOException {
lubomir@869	263	String jsb = javaScriptBody(destObject, m, false);
jaroslav@266	264	if (jsb != null) {
jaroslav@266	265	return jsb;
jaroslav@94	266	}
lubomir@307	267	final String mn = findMethodName(m, new StringBuilder());
lubomir@869	268	generateMethod(destObject, mn, m);
jaroslav@266	269	return mn;
jaroslav@0	270	}
jaroslav@0	271
lubomir@869	272	private void generateMethod(String destObject, String name, MethodData m)
lubomir@307	273	throws IOException {
lubomir@307	274	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	275	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	276	final LocalsMapper lmapper =
lubomir@307	277	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	278
lubomir@869	279	out.append(destObject).append(".").append(name).append(" = function(");
jaroslav@442	280	lmapper.outputArguments(out, m.isStatic());
lubomir@307	281	out.append(") {").append("\n");
lubomir@307	282
lubomir@221	283	final byte[] byteCodes = m.getCode();
lubomir@307	284	if (byteCodes == null) {
lubomir@307	285	out.append(" throw 'no code found for ")
jaroslav@424	286	.append(jc.getClassName()).append('.')
jaroslav@424	287	.append(m.getName()).append("';\n");
lubomir@307	288	out.append("};");
lubomir@307	289	return;
lubomir@307	290	}
lubomir@307	291
lubomir@307	292	final StackMapper smapper = new StackMapper();
lubomir@307	293
jaroslav@442	294	if (!m.isStatic()) {
jaroslav@442	295	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	296	}
lubomir@221	297
lubomir@221	298	int lastStackFrame = -1;
jaroslav@398	299	TrapData[] previousTrap = null;
lubomir@585	300	boolean wide = false;
jaroslav@398	301
jaroslav@839	302	out.append("\n var gt = 0;\n");
jaroslav@839	303	int openBraces = 0;
jaroslav@843	304	int topMostLabel = 0;
jaroslav@0	305	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	306	int prev = i;
lubomir@221	307	stackMapIterator.advanceTo(i);
jaroslav@398	308	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	309	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	310	if (previousTrap != null) {
jaroslav@843	311	generateCatch(previousTrap, i, topMostLabel);
jaroslav@398	312	previousTrap = null;
jaroslav@398	313	}
jaroslav@398	314	}
lubomir@221	315	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@839	316	if (i != 0) {
jaroslav@839	317	out.append(" }\n");
jaroslav@839	318	}
jaroslav@843	319	if (openBraces > 64) {
jaroslav@843	320	for (int c = 0; c < 64; c++) {
jaroslav@843	321	out.append("break;}\n");
jaroslav@843	322	}
jaroslav@843	323	openBraces = 1;
jaroslav@843	324	topMostLabel = i;
jaroslav@843	325	}
jaroslav@839	326
lubomir@221	327	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	328	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	329	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@839	330	out.append(" X_" + i).append(": for (;;) { IF: if (gt <= " + i + ") {\n");
jaroslav@839	331	openBraces++;
jaroslav@398	332	changeInCatch = true;
lubomir@221	333	} else {
jaroslav@399	334	debug(" /* " + i + " */ ");
lubomir@221	335	}
jaroslav@398	336	if (changeInCatch && trap.useTry()) {
tzezula@285	337	out.append("try {");
jaroslav@398	338	previousTrap = trap.current();
tzezula@285	339	}
lubomir@585	340	final int c = readUByte(byteCodes, i);
jaroslav@0	341	switch (c) {
jaroslav@151	342	case opc_aload_0:
lubomir@474	343	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	344	break;
jaroslav@151	345	case opc_iload_0:
lubomir@474	346	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	347	break;
jaroslav@151	348	case opc_lload_0:
lubomir@474	349	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	350	break;
jaroslav@151	351	case opc_fload_0:
lubomir@474	352	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	353	break;
jaroslav@151	354	case opc_dload_0:
lubomir@474	355	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	356	break;
jaroslav@151	357	case opc_aload_1:
lubomir@474	358	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	359	break;
jaroslav@151	360	case opc_iload_1:
lubomir@474	361	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	362	break;
jaroslav@151	363	case opc_lload_1:
lubomir@474	364	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	365	break;
jaroslav@151	366	case opc_fload_1:
lubomir@474	367	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	368	break;
jaroslav@151	369	case opc_dload_1:
lubomir@474	370	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	371	break;
jaroslav@151	372	case opc_aload_2:
lubomir@474	373	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	374	break;
jaroslav@151	375	case opc_iload_2:
lubomir@474	376	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	377	break;
jaroslav@151	378	case opc_lload_2:
lubomir@474	379	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	380	break;
jaroslav@151	381	case opc_fload_2:
lubomir@474	382	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	383	break;
jaroslav@151	384	case opc_dload_2:
lubomir@474	385	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	386	break;
jaroslav@151	387	case opc_aload_3:
lubomir@474	388	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	389	break;
jaroslav@151	390	case opc_iload_3:
lubomir@474	391	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	392	break;
jaroslav@151	393	case opc_lload_3:
lubomir@474	394	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	395	break;
jaroslav@151	396	case opc_fload_3:
lubomir@474	397	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	398	break;
jaroslav@151	399	case opc_dload_3:
lubomir@474	400	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	401	break;
lubomir@281	402	case opc_iload: {
lubomir@585	403	++i;
lubomir@585	404	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	405	: readUByte(byteCodes, i);
lubomir@585	406	wide = false;
lubomir@474	407	emit(out, "var @1 = @2;",
lubomir@474	408	smapper.pushI(), lmapper.getI(indx));
lubomir@281	409	break;
lubomir@281	410	}
lubomir@281	411	case opc_lload: {
lubomir@585	412	++i;
lubomir@585	413	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	414	: readUByte(byteCodes, i);
lubomir@585	415	wide = false;
lubomir@474	416	emit(out, "var @1 = @2;",
lubomir@474	417	smapper.pushL(), lmapper.getL(indx));
lubomir@281	418	break;
lubomir@281	419	}
lubomir@281	420	case opc_fload: {
lubomir@585	421	++i;
lubomir@585	422	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	423	: readUByte(byteCodes, i);
lubomir@585	424	wide = false;
lubomir@474	425	emit(out, "var @1 = @2;",
lubomir@474	426	smapper.pushF(), lmapper.getF(indx));
lubomir@281	427	break;
lubomir@281	428	}
lubomir@281	429	case opc_dload: {
lubomir@585	430	++i;
lubomir@585	431	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	432	: readUByte(byteCodes, i);
lubomir@585	433	wide = false;
lubomir@474	434	emit(out, "var @1 = @2;",
lubomir@474	435	smapper.pushD(), lmapper.getD(indx));
lubomir@281	436	break;
lubomir@281	437	}
jaroslav@151	438	case opc_aload: {
lubomir@585	439	++i;
lubomir@585	440	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	441	: readUByte(byteCodes, i);
lubomir@585	442	wide = false;
lubomir@474	443	emit(out, "var @1 = @2;",
lubomir@474	444	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	445	break;
jaroslav@3	446	}
lubomir@281	447	case opc_istore: {
lubomir@585	448	++i;
lubomir@585	449	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	450	: readUByte(byteCodes, i);
lubomir@585	451	wide = false;
lubomir@474	452	emit(out, "var @1 = @2;",
lubomir@474	453	lmapper.setI(indx), smapper.popI());
lubomir@281	454	break;
lubomir@281	455	}
lubomir@281	456	case opc_lstore: {
lubomir@585	457	++i;
lubomir@585	458	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	459	: readUByte(byteCodes, i);
lubomir@585	460	wide = false;
lubomir@474	461	emit(out, "var @1 = @2;",
lubomir@474	462	lmapper.setL(indx), smapper.popL());
lubomir@281	463	break;
lubomir@281	464	}
lubomir@281	465	case opc_fstore: {
lubomir@585	466	++i;
lubomir@585	467	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	468	: readUByte(byteCodes, i);
lubomir@585	469	wide = false;
lubomir@474	470	emit(out, "var @1 = @2;",
lubomir@474	471	lmapper.setF(indx), smapper.popF());
lubomir@281	472	break;
lubomir@281	473	}
lubomir@281	474	case opc_dstore: {
lubomir@585	475	++i;
lubomir@585	476	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	477	: readUByte(byteCodes, i);
lubomir@585	478	wide = false;
lubomir@474	479	emit(out, "var @1 = @2;",
lubomir@474	480	lmapper.setD(indx), smapper.popD());
lubomir@281	481	break;
lubomir@281	482	}
jaroslav@151	483	case opc_astore: {
lubomir@585	484	++i;
lubomir@585	485	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	486	: readUByte(byteCodes, i);
lubomir@585	487	wide = false;
lubomir@474	488	emit(out, "var @1 = @2;",
lubomir@474	489	lmapper.setA(indx), smapper.popA());
jaroslav@31	490	break;
jaroslav@31	491	}
jaroslav@151	492	case opc_astore_0:
lubomir@474	493	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	494	break;
jaroslav@151	495	case opc_istore_0:
lubomir@474	496	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	497	break;
jaroslav@151	498	case opc_lstore_0:
lubomir@474	499	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	500	break;
jaroslav@151	501	case opc_fstore_0:
lubomir@474	502	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	503	break;
jaroslav@151	504	case opc_dstore_0:
lubomir@474	505	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	506	break;
jaroslav@151	507	case opc_astore_1:
lubomir@474	508	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	509	break;
jaroslav@151	510	case opc_istore_1:
lubomir@474	511	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	512	break;
jaroslav@151	513	case opc_lstore_1:
lubomir@474	514	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	515	break;
jaroslav@151	516	case opc_fstore_1:
lubomir@474	517	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	518	break;
jaroslav@151	519	case opc_dstore_1:
lubomir@474	520	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	521	break;
jaroslav@151	522	case opc_astore_2:
lubomir@474	523	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	524	break;
jaroslav@151	525	case opc_istore_2:
lubomir@474	526	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	527	break;
jaroslav@151	528	case opc_lstore_2:
lubomir@474	529	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	530	break;
jaroslav@151	531	case opc_fstore_2:
lubomir@474	532	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	533	break;
jaroslav@151	534	case opc_dstore_2:
lubomir@474	535	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	536	break;
jaroslav@151	537	case opc_astore_3:
lubomir@474	538	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	539	break;
jaroslav@151	540	case opc_istore_3:
lubomir@474	541	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	542	break;
jaroslav@151	543	case opc_lstore_3:
lubomir@474	544	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	545	break;
jaroslav@151	546	case opc_fstore_3:
lubomir@474	547	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	548	break;
jaroslav@151	549	case opc_dstore_3:
lubomir@474	550	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	551	break;
jaroslav@151	552	case opc_iadd:
Martin@445	553	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	554	break;
jaroslav@151	555	case opc_ladd:
Martin@582	556	emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	557	break;
jaroslav@151	558	case opc_fadd:
lubomir@307	559	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	560	break;
jaroslav@151	561	case opc_dadd:
lubomir@307	562	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	563	break;
jaroslav@151	564	case opc_isub:
Martin@445	565	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	566	break;
jaroslav@151	567	case opc_lsub:
Martin@620	568	emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	569	break;
jaroslav@151	570	case opc_fsub:
lubomir@307	571	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	572	break;
jaroslav@151	573	case opc_dsub:
lubomir@307	574	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	575	break;
jaroslav@151	576	case opc_imul:
Martin@445	577	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	578	break;
jaroslav@151	579	case opc_lmul:
Martin@657	580	emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	581	break;
jaroslav@151	582	case opc_fmul:
lubomir@307	583	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	584	break;
jaroslav@151	585	case opc_dmul:
lubomir@307	586	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	587	break;
jaroslav@151	588	case opc_idiv:
lubomir@737	589	emit(out, "@1 = @1.div32(@2);",
lubomir@307	590	smapper.getI(1), smapper.popI());
lubomir@281	591	break;
jaroslav@151	592	case opc_ldiv:
Martin@582	593	emit(out, "@1 = @1.div64(@2);",
lubomir@307	594	smapper.getL(1), smapper.popL());
jaroslav@3	595	break;
jaroslav@151	596	case opc_fdiv:
lubomir@307	597	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	598	break;
jaroslav@151	599	case opc_ddiv:
lubomir@307	600	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	601	break;
jaroslav@178	602	case opc_irem:
lubomir@737	603	emit(out, "@1 = @1.mod32(@2);",
lubomir@737	604	smapper.getI(1), smapper.popI());
lubomir@281	605	break;
jaroslav@178	606	case opc_lrem:
lubomir@676	607	emit(out, "@1 = @1.mod64(@2);",
lubomir@676	608	smapper.getL(1), smapper.popL());
lubomir@281	609	break;
jaroslav@178	610	case opc_frem:
lubomir@307	611	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	612	break;
jaroslav@178	613	case opc_drem:
lubomir@307	614	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	615	break;
jaroslav@151	616	case opc_iand:
lubomir@307	617	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	618	break;
jaroslav@151	619	case opc_land:
Martin@615	620	emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	621	break;
jaroslav@151	622	case opc_ior:
lubomir@307	623	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	624	break;
jaroslav@151	625	case opc_lor:
Martin@627	626	emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	627	break;
jaroslav@151	628	case opc_ixor:
lubomir@307	629	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	630	break;
jaroslav@151	631	case opc_lxor:
lubomir@679	632	emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
jaroslav@6	633	break;
jaroslav@151	634	case opc_ineg:
Martin@700	635	emit(out, "@1 = @1.neg32();", smapper.getI(0));
lubomir@281	636	break;
jaroslav@151	637	case opc_lneg:
Martin@630	638	emit(out, "@1 = @1.neg64();", smapper.getL(0));
lubomir@281	639	break;
jaroslav@151	640	case opc_fneg:
lubomir@307	641	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	642	break;
jaroslav@151	643	case opc_dneg:
lubomir@307	644	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	645	break;
jaroslav@151	646	case opc_ishl:
lubomir@307	647	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	648	break;
jaroslav@151	649	case opc_lshl:
Martin@582	650	emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	651	break;
jaroslav@151	652	case opc_ishr:
lubomir@307	653	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	654	break;
jaroslav@151	655	case opc_lshr:
Martin@615	656	emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	657	break;
jaroslav@151	658	case opc_iushr:
lubomir@307	659	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	660	break;
jaroslav@151	661	case opc_lushr:
Martin@629	662	emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	663	break;
jaroslav@151	664	case opc_iinc: {
lubomir@585	665	++i;
lubomir@585	666	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	667	: readUByte(byteCodes, i);
lubomir@585	668	++i;
lubomir@697	669	final int incrBy = wide ? readShort(byteCodes, i++)
lubomir@585	670	: byteCodes[i];
lubomir@585	671	wide = false;
jaroslav@5	672	if (incrBy == 1) {
lubomir@307	673	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	674	} else {
lubomir@307	675	emit(out, "@1 += @2;",
lubomir@307	676	lmapper.getI(varIndx),
lubomir@283	677	Integer.toString(incrBy));
jaroslav@5	678	}
jaroslav@5	679	break;
jaroslav@5	680	}
jaroslav@151	681	case opc_return:
lubomir@283	682	emit(out, "return;");
jaroslav@10	683	break;
jaroslav@151	684	case opc_ireturn:
lubomir@307	685	emit(out, "return @1;", smapper.popI());
lubomir@281	686	break;
jaroslav@151	687	case opc_lreturn:
lubomir@307	688	emit(out, "return @1;", smapper.popL());
lubomir@281	689	break;
jaroslav@151	690	case opc_freturn:
lubomir@307	691	emit(out, "return @1;", smapper.popF());
lubomir@281	692	break;
jaroslav@151	693	case opc_dreturn:
lubomir@307	694	emit(out, "return @1;", smapper.popD());
lubomir@281	695	break;
jaroslav@151	696	case opc_areturn:
lubomir@307	697	emit(out, "return @1;", smapper.popA());
jaroslav@1	698	break;
jaroslav@151	699	case opc_i2l:
lubomir@474	700	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	701	break;
jaroslav@151	702	case opc_i2f:
lubomir@474	703	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	704	break;
jaroslav@151	705	case opc_i2d:
lubomir@474	706	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	707	break;
jaroslav@151	708	case opc_l2i:
Martin@582	709	emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
lubomir@281	710	break;
jaroslav@3	711	// max int check?
jaroslav@151	712	case opc_l2f:
Martin@582	713	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
jaroslav@272	714	break;
jaroslav@151	715	case opc_l2d:
Martin@582	716	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
jaroslav@272	717	break;
jaroslav@151	718	case opc_f2d:
lubomir@474	719	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	720	break;
jaroslav@151	721	case opc_d2f:
lubomir@474	722	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	723	break;
jaroslav@151	724	case opc_f2i:
lubomir@778	725	emit(out, "var @2 = @1.toInt32();",
lubomir@307	726	smapper.popF(), smapper.pushI());
lubomir@281	727	break;
jaroslav@151	728	case opc_f2l:
lubomir@778	729	emit(out, "var @2 = @1.toLong();",
lubomir@307	730	smapper.popF(), smapper.pushL());
lubomir@281	731	break;
jaroslav@151	732	case opc_d2i:
lubomir@778	733	emit(out, "var @2 = @1.toInt32();",
lubomir@307	734	smapper.popD(), smapper.pushI());
lubomir@281	735	break;
jaroslav@151	736	case opc_d2l:
lubomir@778	737	emit(out, "var @2 = @1.toLong();",
lubomir@307	738	smapper.popD(), smapper.pushL());
jaroslav@3	739	break;
jaroslav@151	740	case opc_i2b:
lubomir@474	741	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	742	break;
jaroslav@151	743	case opc_i2c:
Martin@439	744	out.append("{ /* number conversion */ }");
Martin@439	745	break;
jaroslav@151	746	case opc_i2s:
lubomir@474	747	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	748	break;
jaroslav@151	749	case opc_aconst_null:
lubomir@474	750	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	751	break;
jaroslav@151	752	case opc_iconst_m1:
lubomir@474	753	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	754	break;
jaroslav@151	755	case opc_iconst_0:
lubomir@474	756	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	757	break;
jaroslav@151	758	case opc_dconst_0:
lubomir@474	759	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	760	break;
jaroslav@151	761	case opc_lconst_0:
lubomir@474	762	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	763	break;
jaroslav@151	764	case opc_fconst_0:
lubomir@474	765	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	766	break;
jaroslav@151	767	case opc_iconst_1:
lubomir@474	768	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	769	break;
jaroslav@151	770	case opc_lconst_1:
lubomir@474	771	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	772	break;
jaroslav@151	773	case opc_fconst_1:
lubomir@474	774	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	775	break;
jaroslav@151	776	case opc_dconst_1:
lubomir@474	777	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	778	break;
jaroslav@151	779	case opc_iconst_2:
lubomir@474	780	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	781	break;
jaroslav@151	782	case opc_fconst_2:
lubomir@474	783	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	784	break;
jaroslav@151	785	case opc_iconst_3:
lubomir@474	786	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	787	break;
jaroslav@151	788	case opc_iconst_4:
lubomir@474	789	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	790	break;
jaroslav@151	791	case opc_iconst_5:
lubomir@474	792	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	793	break;
jaroslav@151	794	case opc_ldc: {
lubomir@585	795	int indx = readUByte(byteCodes, ++i);
jaroslav@151	796	String v = encodeConstant(indx);
lubomir@307	797	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	798	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	799	break;
jaroslav@20	800	}
jaroslav@151	801	case opc_ldc_w:
jaroslav@151	802	case opc_ldc2_w: {
jaroslav@864	803	int indx = readUShortArg(byteCodes, i);
jaroslav@8	804	i += 2;
jaroslav@151	805	String v = encodeConstant(indx);
lubomir@307	806	int type = VarType.fromConstantType(jc.getTag(indx));
Martin@582	807	if (type == VarType.LONG) {
Martin@582	808	final Long lv = new Long(v);
Martin@582	809	final int low = (int)(lv.longValue() & 0xFFFFFFFF);
Martin@582	810	final int hi = (int)(lv.longValue() >> 32);
Martin@594	811	emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
Martin@582	812	Integer.toHexString(low), Integer.toHexString(hi));
Martin@582	813	} else {
Martin@582	814	emit(out, "var @1 = @2;", smapper.pushT(type), v);
Martin@582	815	}
jaroslav@8	816	break;
jaroslav@8	817	}
jaroslav@151	818	case opc_lcmp:
Martin@582	819	emit(out, "var @3 = @2.compare64(@1);",
lubomir@307	820	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	821	break;
jaroslav@151	822	case opc_fcmpl:
jaroslav@151	823	case opc_fcmpg:
lubomir@474	824	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	825	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	826	break;
jaroslav@151	827	case opc_dcmpl:
lubomir@281	828	case opc_dcmpg:
lubomir@474	829	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	830	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	831	break;
jaroslav@151	832	case opc_if_acmpeq:
lubomir@307	833	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	834	"===", topMostLabel);
jaroslav@104	835	break;
jaroslav@151	836	case opc_if_acmpne:
lubomir@307	837	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	838	"!==", topMostLabel);
jaroslav@104	839	break;
lubomir@283	840	case opc_if_icmpeq:
lubomir@307	841	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	842	"==", topMostLabel);
jaroslav@4	843	break;
jaroslav@151	844	case opc_ifeq: {
jaroslav@864	845	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	846	emitIf(out, "if (@1 == 0) ",
jaroslav@843	847	smapper.popI(), i, indx, topMostLabel);
jaroslav@7	848	i += 2;
jaroslav@7	849	break;
jaroslav@7	850	}
jaroslav@151	851	case opc_ifne: {
jaroslav@864	852	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	853	emitIf(out, "if (@1 != 0) ",
jaroslav@843	854	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	855	i += 2;
jaroslav@20	856	break;
jaroslav@20	857	}
jaroslav@151	858	case opc_iflt: {
jaroslav@864	859	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	860	emitIf(out, "if (@1 < 0) ",
jaroslav@843	861	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	862	i += 2;
jaroslav@20	863	break;
jaroslav@20	864	}
jaroslav@151	865	case opc_ifle: {
jaroslav@864	866	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	867	emitIf(out, "if (@1 <= 0) ",
jaroslav@843	868	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	869	i += 2;
jaroslav@20	870	break;
jaroslav@20	871	}
jaroslav@151	872	case opc_ifgt: {
jaroslav@864	873	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	874	emitIf(out, "if (@1 > 0) ",
jaroslav@843	875	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	876	i += 2;
jaroslav@20	877	break;
jaroslav@20	878	}
jaroslav@151	879	case opc_ifge: {
jaroslav@864	880	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	881	emitIf(out, "if (@1 >= 0) ",
jaroslav@843	882	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	883	i += 2;
jaroslav@20	884	break;
jaroslav@20	885	}
jaroslav@151	886	case opc_ifnonnull: {
jaroslav@864	887	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	888	emitIf(out, "if (@1 !== null) ",
jaroslav@843	889	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	890	i += 2;
jaroslav@16	891	break;
jaroslav@16	892	}
jaroslav@151	893	case opc_ifnull: {
jaroslav@864	894	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	895	emitIf(out, "if (@1 === null) ",
jaroslav@843	896	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	897	i += 2;
jaroslav@16	898	break;
jaroslav@16	899	}
jaroslav@151	900	case opc_if_icmpne:
lubomir@307	901	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	902	"!=", topMostLabel);
jaroslav@4	903	break;
jaroslav@151	904	case opc_if_icmplt:
lubomir@307	905	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	906	"<", topMostLabel);
jaroslav@4	907	break;
jaroslav@151	908	case opc_if_icmple:
lubomir@307	909	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	910	"<=", topMostLabel);
jaroslav@4	911	break;
jaroslav@151	912	case opc_if_icmpgt:
lubomir@307	913	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	914	">", topMostLabel);
jaroslav@4	915	break;
jaroslav@151	916	case opc_if_icmpge:
lubomir@307	917	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	918	">=", topMostLabel);
jaroslav@4	919	break;
jaroslav@151	920	case opc_goto: {
jaroslav@864	921	int indx = i + readShortArg(byteCodes, i);
jaroslav@843	922	goTo(out, i, indx, topMostLabel);
jaroslav@5	923	i += 2;
jaroslav@5	924	break;
jaroslav@5	925	}
jaroslav@151	926	case opc_lookupswitch: {
jaroslav@843	927	i = generateLookupSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	928	break;
jaroslav@115	929	}
jaroslav@151	930	case opc_tableswitch: {
jaroslav@843	931	i = generateTableSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	932	break;
jaroslav@115	933	}
jaroslav@151	934	case opc_invokeinterface: {
lubomir@307	935	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	936	break;
jaroslav@46	937	}
jaroslav@151	938	case opc_invokevirtual:
lubomir@307	939	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	940	break;
jaroslav@151	941	case opc_invokespecial:
lubomir@307	942	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	943	break;
jaroslav@151	944	case opc_invokestatic:
lubomir@307	945	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	946	break;
jaroslav@151	947	case opc_new: {
jaroslav@864	948	int indx = readUShortArg(byteCodes, i);
jaroslav@151	949	String ci = jc.getClassName(indx);
lubomir@474	950	emit(out, "var @1 = new @2;",
lubomir@317	951	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	952	addReference(ci);
jaroslav@8	953	i += 2;
jaroslav@8	954	break;
jaroslav@8	955	}
lubomir@283	956	case opc_newarray:
lubomir@585	957	int atype = readUByte(byteCodes, ++i);
jaroslav@842	958	generateNewArray(atype, smapper);
jaroslav@21	959	break;
jaroslav@448	960	case opc_anewarray: {
jaroslav@864	961	int type = readUShortArg(byteCodes, i);
jaroslav@448	962	i += 2;
jaroslav@842	963	generateANewArray(type, smapper);
jaroslav@21	964	break;
jaroslav@448	965	}
jaroslav@151	966	case opc_multianewarray: {
jaroslav@864	967	int type = readUShortArg(byteCodes, i);
jtulach@128	968	i += 2;
jaroslav@842	969	i = generateMultiANewArray(type, byteCodes, i, smapper);
jtulach@128	970	break;
jtulach@128	971	}
jaroslav@151	972	case opc_arraylength:
lubomir@474	973	emit(out, "var @2 = @1.length;",
lubomir@474	974	smapper.popA(), smapper.pushI());
jaroslav@272	975	break;
lubomir@283	976	case opc_lastore:
jaroslav@459	977	emit(out, "@3.at(@2, @1);",
lubomir@307	978	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	979	break;
lubomir@283	980	case opc_fastore:
jaroslav@459	981	emit(out, "@3.at(@2, @1);",
lubomir@307	982	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	983	break;
lubomir@283	984	case opc_dastore:
jaroslav@459	985	emit(out, "@3.at(@2, @1);",
lubomir@307	986	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	987	break;
lubomir@283	988	case opc_aastore:
jaroslav@459	989	emit(out, "@3.at(@2, @1);",
lubomir@307	990	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	991	break;
jaroslav@151	992	case opc_iastore:
jaroslav@151	993	case opc_bastore:
jaroslav@151	994	case opc_castore:
lubomir@283	995	case opc_sastore:
jaroslav@459	996	emit(out, "@3.at(@2, @1);",
lubomir@307	997	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	998	break;
lubomir@283	999	case opc_laload:
lubomir@474	1000	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1001	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	1002	break;
lubomir@283	1003	case opc_faload:
lubomir@474	1004	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1005	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1006	break;
lubomir@283	1007	case opc_daload:
lubomir@474	1008	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1009	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1010	break;
lubomir@283	1011	case opc_aaload:
lubomir@474	1012	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1013	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1014	break;
jaroslav@272	1015	case opc_iaload:
jaroslav@272	1016	case opc_baload:
jaroslav@272	1017	case opc_caload:
lubomir@283	1018	case opc_saload:
lubomir@474	1019	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1020	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1021	break;
lubomir@221	1022	case opc_pop:
jaroslav@272	1023	case opc_pop2:
lubomir@307	1024	smapper.pop(1);
jaroslav@399	1025	debug("/* pop */");
jaroslav@272	1026	break;
lubomir@281	1027	case opc_dup: {
lubomir@307	1028	final Variable v = smapper.get(0);
lubomir@474	1029	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1030	break;
jaroslav@21	1031	}
lubomir@281	1032	case opc_dup2: {
lubomir@585	1033	final Variable vi1 = smapper.get(0);
lubomir@585	1034
lubomir@585	1035	if (vi1.isCategory2()) {
lubomir@474	1036	emit(out, "var @1 = @2;",
lubomir@585	1037	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1038	} else {
lubomir@585	1039	final Variable vi2 = smapper.get(1);
lubomir@474	1040	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1041	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1042	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1043	}
jaroslav@21	1044	break;
jaroslav@21	1045	}
lubomir@281	1046	case opc_dup_x1: {
lubomir@307	1047	final Variable vi1 = smapper.pop();
lubomir@307	1048	final Variable vi2 = smapper.pop();
lubomir@307	1049	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1050	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1051	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1052
lubomir@474	1053	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1054	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1055	break;
lubomir@281	1056	}
lubomir@585	1057	case opc_dup2_x1: {
lubomir@585	1058	final Variable vi1 = smapper.pop();
lubomir@585	1059	final Variable vi2 = smapper.pop();
lubomir@585	1060
lubomir@585	1061	if (vi1.isCategory2()) {
lubomir@307	1062	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1063	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1064	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1065
lubomir@474	1066	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1067	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1068	} else {
lubomir@585	1069	final Variable vi3 = smapper.pop();
lubomir@585	1070	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1071	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1072	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1073	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1074	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1075
lubomir@585	1076	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1077	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1078	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1079	vo4, vo1, vo5, vo2);
lubomir@585	1080	}
lubomir@585	1081	break;
lubomir@585	1082	}
lubomir@585	1083	case opc_dup_x2: {
lubomir@585	1084	final Variable vi1 = smapper.pop();
lubomir@585	1085	final Variable vi2 = smapper.pop();
lubomir@585	1086
lubomir@585	1087	if (vi2.isCategory2()) {
lubomir@585	1088	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1089	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1090	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1091
lubomir@585	1092	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1093	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1094	} else {
lubomir@307	1095	final Variable vi3 = smapper.pop();
lubomir@307	1096	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1097	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1098	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1099	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1100
lubomir@474	1101	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1102	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1103	}
jaroslav@8	1104	break;
lubomir@281	1105	}
lubomir@585	1106	case opc_dup2_x2: {
lubomir@585	1107	final Variable vi1 = smapper.pop();
lubomir@585	1108	final Variable vi2 = smapper.pop();
lubomir@585	1109
lubomir@585	1110	if (vi1.isCategory2()) {
lubomir@585	1111	if (vi2.isCategory2()) {
lubomir@585	1112	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1113	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1114	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1115
lubomir@585	1116	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1117	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1118	} else {
lubomir@585	1119	final Variable vi3 = smapper.pop();
lubomir@585	1120	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1121	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1122	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1123	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1124
lubomir@585	1125	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1126	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1127	}
lubomir@585	1128	} else {
lubomir@585	1129	final Variable vi3 = smapper.pop();
lubomir@585	1130
lubomir@585	1131	if (vi3.isCategory2()) {
lubomir@585	1132	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1133	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1134	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1135	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1136	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1137
lubomir@585	1138	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1139	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1140	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1141	vo4, vo1, vo5, vo2);
lubomir@585	1142	} else {
lubomir@585	1143	final Variable vi4 = smapper.pop();
lubomir@585	1144	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1145	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1146	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1147	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1148	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1149	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1150
lubomir@585	1151	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1152	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1153	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1154	vo5, vo1, vo6, vo2);
lubomir@585	1155	}
lubomir@585	1156	}
lubomir@585	1157	break;
lubomir@585	1158	}
lubomir@585	1159	case opc_swap: {
lubomir@585	1160	final Variable vi1 = smapper.get(0);
lubomir@585	1161	final Variable vi2 = smapper.get(1);
lubomir@585	1162
lubomir@585	1163	if (vi1.getType() == vi2.getType()) {
lubomir@585	1164	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1165
lubomir@585	1166	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1167	tmp, vi1, vi2);
lubomir@585	1168	smapper.pop(1);
lubomir@585	1169	} else {
lubomir@585	1170	smapper.pop(2);
lubomir@585	1171	smapper.pushT(vi1.getType());
lubomir@585	1172	smapper.pushT(vi2.getType());
lubomir@585	1173	}
lubomir@585	1174	break;
lubomir@585	1175	}
jaroslav@151	1176	case opc_bipush:
lubomir@474	1177	emit(out, "var @1 = @2;",
lubomir@307	1178	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1179	break;
jaroslav@151	1180	case opc_sipush:
lubomir@474	1181	emit(out, "var @1 = @2;",
lubomir@307	1182	smapper.pushI(),
jaroslav@864	1183	Integer.toString(readShortArg(byteCodes, i)));
jaroslav@31	1184	i += 2;
jaroslav@31	1185	break;
jaroslav@151	1186	case opc_getfield: {
jaroslav@864	1187	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1188	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1189	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1190	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1191	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1192	emit(out, "var @2 = @4(false)._@3.call(@1);",
jaroslav@592	1193	smapper.popA(),
jaroslav@592	1194	smapper.pushT(type), fi[1], mangleClassAccess
jaroslav@592	1195	);
jaroslav@592	1196	i += 2;
jaroslav@592	1197	break;
jaroslav@592	1198	}
jaroslav@592	1199	case opc_putfield: {
jaroslav@864	1200	int indx = readUShortArg(byteCodes, i);
jaroslav@592	1201	String[] fi = jc.getFieldInfoName(indx);
jaroslav@592	1202	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1203	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1204	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1205	emit(out, "@4(false)._@3.call(@2, @1);",
jaroslav@592	1206	smapper.popT(type),
jaroslav@592	1207	smapper.popA(), fi[1],
jaroslav@592	1208	mangleClassAccess
jaroslav@592	1209	);
jaroslav@8	1210	i += 2;
jaroslav@8	1211	break;
jaroslav@8	1212	}
jaroslav@151	1213	case opc_getstatic: {
jaroslav@864	1214	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1215	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1216	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1217	emit(out, "var @1 = @2(false)._@3();",
lubomir@317	1218	smapper.pushT(type),
lubomir@317	1219	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1220	i += 2;
jaroslav@151	1221	addReference(fi[0]);
jaroslav@9	1222	break;
jaroslav@9	1223	}
lubomir@281	1224	case opc_putstatic: {
jaroslav@864	1225	int indx = readUShortArg(byteCodes, i);
lubomir@281	1226	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1227	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1228	emit(out, "@1(false)._@2(@3);",
lubomir@317	1229	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1230	smapper.popT(type));
lubomir@281	1231	i += 2;
lubomir@281	1232	addReference(fi[0]);
lubomir@281	1233	break;
lubomir@281	1234	}
jaroslav@151	1235	case opc_checkcast: {
jaroslav@864	1236	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1237	generateCheckcast(indx, smapper);
jaroslav@30	1238	i += 2;
jaroslav@30	1239	break;
jaroslav@30	1240	}
jaroslav@151	1241	case opc_instanceof: {
jaroslav@864	1242	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1243	generateInstanceOf(indx, smapper);
jaroslav@17	1244	i += 2;
jaroslav@30	1245	break;
jaroslav@17	1246	}
jaroslav@151	1247	case opc_athrow: {
lubomir@307	1248	final Variable v = smapper.popA();
lubomir@307	1249	smapper.clear();
lubomir@281	1250
lubomir@474	1251	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1252	smapper.pushA(), v);
jaroslav@104	1253	break;
jaroslav@104	1254	}
lubomir@221	1255
lubomir@221	1256	case opc_monitorenter: {
lubomir@221	1257	out.append("/* monitor enter */");
lubomir@307	1258	smapper.popA();
lubomir@221	1259	break;
lubomir@221	1260	}
lubomir@221	1261
lubomir@221	1262	case opc_monitorexit: {
lubomir@221	1263	out.append("/* monitor exit */");
lubomir@307	1264	smapper.popA();
lubomir@221	1265	break;
lubomir@221	1266	}
lubomir@221	1267
lubomir@585	1268	case opc_wide:
lubomir@585	1269	wide = true;
lubomir@585	1270	break;
lubomir@585	1271
jaroslav@104	1272	default: {
lubomir@585	1273	wide = false;
lubomir@283	1274	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1275	Integer.toString(c));
jaroslav@104	1276	}
jaroslav@0	1277	}
jaroslav@399	1278	if (debug(" //")) {
jaroslav@842	1279	generateByteCodeComment(prev, i, byteCodes);
jaroslav@0	1280	}
tzezula@285	1281	out.append("\n");
jaroslav@0	1282	}
jaroslav@398	1283	if (previousTrap != null) {
jaroslav@843	1284	generateCatch(previousTrap, byteCodes.length, topMostLabel);
jaroslav@398	1285	}
jaroslav@839	1286	out.append("\n }\n");
jaroslav@839	1287	while (openBraces-- > 0) {
jaroslav@839	1288	out.append('}');
jaroslav@839	1289	}
jaroslav@839	1290	out.append("\n};");
jaroslav@4	1291	}
jaroslav@4	1292
jaroslav@843	1293	private int generateIf(byte[] byteCodes, int i, final Variable v2, final Variable v1, final String test, int topMostLabel) throws IOException {
jaroslav@864	1294	int indx = i + readShortArg(byteCodes, i);
lubomir@281	1295	out.append("if (").append(v1)
lubomir@221	1296	.append(' ').append(test).append(' ')
jaroslav@839	1297	.append(v2).append(") ");
jaroslav@843	1298	goTo(out, i, indx, topMostLabel);
jaroslav@4	1299	return i + 2;
jaroslav@4	1300	}
jaroslav@839	1301
lubomir@697	1302	private int readInt4(byte[] byteCodes, int offset) {
lubomir@697	1303	final int d = byteCodes[offset + 0] << 24;
lubomir@697	1304	final int c = byteCodes[offset + 1] << 16;
lubomir@697	1305	final int b = byteCodes[offset + 2] << 8;
lubomir@697	1306	final int a = byteCodes[offset + 3];
jaroslav@115	1307	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1308	}
jaroslav@864	1309	private static int readUByte(byte[] byteCodes, int offset) {
lubomir@697	1310	return byteCodes[offset] & 0xff;
jtulach@128	1311	}
lubomir@585	1312
jaroslav@864	1313	private static int readUShort(byte[] byteCodes, int offset) {
lubomir@697	1314	return ((byteCodes[offset] & 0xff) << 8)
lubomir@697	1315	\| (byteCodes[offset + 1] & 0xff);
lubomir@697	1316	}
jaroslav@864	1317	private static int readUShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1318	return readUShort(byteCodes, offsetInstruction + 1);
jaroslav@864	1319	}
lubomir@697	1320
jaroslav@864	1321	private static int readShort(byte[] byteCodes, int offset) {
jaroslav@864	1322	int signed = byteCodes[offset];
jaroslav@864	1323	byte b0 = (byte)signed;
jaroslav@864	1324	return (b0 << 8) \| (byteCodes[offset + 1] & 0xff);
jaroslav@864	1325	}
jaroslav@864	1326	private static int readShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1327	return readShort(byteCodes, offsetInstruction + 1);
lubomir@585	1328	}
lubomir@585	1329
lubomir@281	1330	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1331	int i = 0;
jaroslav@4	1332	Boolean count = null;
jaroslav@32	1333	boolean array = false;
jaroslav@248	1334	sig.append("__");
jaroslav@10	1335	int firstPos = sig.length();
jaroslav@4	1336	while (i < descriptor.length()) {
jaroslav@4	1337	char ch = descriptor.charAt(i++);
jaroslav@4	1338	switch (ch) {
jaroslav@4	1339	case '(':
jaroslav@4	1340	count = true;
jaroslav@4	1341	continue;
jaroslav@4	1342	case ')':
jaroslav@4	1343	count = false;
jaroslav@4	1344	continue;
jaroslav@4	1345	case 'B':
jaroslav@4	1346	case 'C':
jaroslav@4	1347	case 'D':
jaroslav@4	1348	case 'F':
jaroslav@4	1349	case 'I':
jaroslav@4	1350	case 'J':
jaroslav@4	1351	case 'S':
jaroslav@4	1352	case 'Z':
jaroslav@4	1353	if (count) {
jaroslav@32	1354	if (array) {
jaroslav@248	1355	sig.append("_3");
jaroslav@32	1356	}
jaroslav@4	1357	sig.append(ch);
jtulach@156	1358	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1359	cnt.append('1');
jtulach@156	1360	} else {
jtulach@156	1361	cnt.append('0');
jtulach@156	1362	}
jaroslav@4	1363	} else {
jaroslav@10	1364	sig.insert(firstPos, ch);
jaroslav@32	1365	if (array) {
lubomir@281	1366	returnType[0] = '[';
jaroslav@248	1367	sig.insert(firstPos, "_3");
lubomir@281	1368	} else {
lubomir@281	1369	returnType[0] = ch;
jaroslav@32	1370	}
jaroslav@4	1371	}
jaroslav@93	1372	array = false;
jaroslav@4	1373	continue;
jaroslav@4	1374	case 'V':
jaroslav@4	1375	assert !count;
lubomir@281	1376	returnType[0] = 'V';
jaroslav@10	1377	sig.insert(firstPos, 'V');
jaroslav@4	1378	continue;
jaroslav@4	1379	case 'L':
jaroslav@16	1380	int next = descriptor.indexOf(';', i);
jaroslav@248	1381	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1382	if (count) {
jaroslav@32	1383	if (array) {
jaroslav@248	1384	sig.append("_3");
jaroslav@32	1385	}
jaroslav@248	1386	sig.append(realSig);
jtulach@156	1387	cnt.append('0');
jaroslav@4	1388	} else {
jaroslav@248	1389	sig.insert(firstPos, realSig);
jaroslav@32	1390	if (array) {
jaroslav@248	1391	sig.insert(firstPos, "_3");
jaroslav@32	1392	}
lubomir@281	1393	returnType[0] = 'L';
jaroslav@4	1394	}
jaroslav@16	1395	i = next + 1;
lubomir@407	1396	array = false;
jaroslav@4	1397	continue;
jaroslav@4	1398	case '[':
jaroslav@248	1399	array = true;
jaroslav@4	1400	continue;
jaroslav@4	1401	default:
jaroslav@248	1402	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1403	}
jaroslav@4	1404	}
jaroslav@0	1405	}
jaroslav@248	1406
jaroslav@592	1407	static String mangleSig(String sig) {
jaroslav@592	1408	return mangleSig(sig, 0, sig.length());
jaroslav@592	1409	}
jaroslav@592	1410
jaroslav@248	1411	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1412	StringBuilder sb = new StringBuilder();
jaroslav@248	1413	for (int i = first; i < last; i++) {
jaroslav@248	1414	final char ch = txt.charAt(i);
jaroslav@248	1415	switch (ch) {
jaroslav@248	1416	case '/': sb.append('_'); break;
jaroslav@248	1417	case '_': sb.append("_1"); break;
jaroslav@248	1418	case ';': sb.append("_2"); break;
jaroslav@248	1419	case '[': sb.append("_3"); break;
jaroslav@248	1420	default: sb.append(ch); break;
jaroslav@248	1421	}
jaroslav@248	1422	}
jaroslav@248	1423	return sb.toString();
jaroslav@248	1424	}
jaroslav@9	1425
jaroslav@248	1426	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1427	StringBuilder name = new StringBuilder();
jaroslav@10	1428	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1429	name.append("cons"); // NOI18N
jaroslav@19	1430	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1431	name.append("class"); // NOI18N
jaroslav@10	1432	} else {
jaroslav@42	1433	name.append(m.getName());
jaroslav@10	1434	}
jaroslav@42	1435
lubomir@282	1436	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1437	return name.toString();
jaroslav@10	1438	}
jaroslav@10	1439
lubomir@282	1440	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1441	StringBuilder name = new StringBuilder();
jaroslav@151	1442	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1443	String nm= mi[1];
jaroslav@151	1444	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1445	name.append("cons"); // NOI18N
jaroslav@10	1446	} else {
jaroslav@151	1447	name.append(nm);
jaroslav@10	1448	}
lubomir@282	1449	countArgs(descr, returnType, name, cnt);
jaroslav@10	1450	return name.toString();
jaroslav@10	1451	}
jaroslav@10	1452
lubomir@307	1453	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1454	throws IOException {
jaroslav@864	1455	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1456	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1457	char[] returnType = { 'V' };
jtulach@156	1458	StringBuilder cnt = new StringBuilder();
lubomir@281	1459	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1460
lubomir@221	1461	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1462	final Variable[] vars = new Variable[numArguments];
lubomir@221	1463
lubomir@281	1464	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1465	vars[j] = mapper.pop();
jaroslav@11	1466	}
lubomir@281	1467
lubomir@281	1468	if (returnType[0] != 'V') {
lubomir@474	1469	out.append("var ")
lubomir@474	1470	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1471	.append(" = ");
jaroslav@10	1472	}
lubomir@221	1473
jaroslav@151	1474	final String in = mi[0];
jaroslav@274	1475	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1476	out.append("(false).");
jaroslav@397	1477	if (mn.startsWith("cons_")) {
jaroslav@397	1478	out.append("constructor.");
jaroslav@397	1479	}
jaroslav@10	1480	out.append(mn);
jaroslav@442	1481	if (isStatic) {
jaroslav@442	1482	out.append('(');
jaroslav@442	1483	} else {
jaroslav@442	1484	out.append(".call(");
jaroslav@442	1485	}
lubomir@221	1486	if (numArguments > 0) {
lubomir@281	1487	out.append(vars[0]);
lubomir@281	1488	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1489	out.append(", ");
lubomir@281	1490	out.append(vars[j]);
lubomir@221	1491	}
jaroslav@10	1492	}
lubomir@221	1493	out.append(");");
jaroslav@10	1494	i += 2;
jaroslav@18	1495	addReference(in);
jaroslav@10	1496	return i;
jaroslav@10	1497	}
lubomir@307	1498	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1499	throws IOException {
jaroslav@864	1500	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1501	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1502	char[] returnType = { 'V' };
jtulach@156	1503	StringBuilder cnt = new StringBuilder();
lubomir@281	1504	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1505
lubomir@281	1506	final int numArguments = cnt.length() + 1;
lubomir@281	1507	final Variable[] vars = new Variable[numArguments];
lubomir@221	1508
lubomir@281	1509	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1510	vars[j] = mapper.pop();
jaroslav@12	1511	}
lubomir@221	1512
lubomir@281	1513	if (returnType[0] != 'V') {
lubomir@474	1514	out.append("var ")
lubomir@474	1515	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1516	.append(" = ");
jaroslav@12	1517	}
lubomir@281	1518
lubomir@281	1519	out.append(vars[0]).append('.');
jaroslav@12	1520	out.append(mn);
jaroslav@12	1521	out.append('(');
jaroslav@442	1522	String sep = "";
lubomir@281	1523	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1524	out.append(sep);
lubomir@281	1525	out.append(vars[j]);
jaroslav@442	1526	sep = ", ";
jaroslav@12	1527	}
lubomir@221	1528	out.append(");");
jaroslav@12	1529	i += 2;
jaroslav@12	1530	return i;
jaroslav@12	1531	}
lubomir@221	1532
jaroslav@103	1533	private void addReference(String cn) throws IOException {
jtulach@162	1534	if (requireReference(cn)) {
jaroslav@399	1535	debug(" /* needs " + cn + " */");
jaroslav@18	1536	}
jaroslav@18	1537	}
jaroslav@16	1538
jaroslav@33	1539	private void outType(String d, StringBuilder out) {
jaroslav@33	1540	int arr = 0;
jaroslav@33	1541	while (d.charAt(0) == '[') {
jaroslav@33	1542	out.append('A');
jaroslav@33	1543	d = d.substring(1);
jaroslav@33	1544	}
jaroslav@16	1545	if (d.charAt(0) == 'L') {
jaroslav@16	1546	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1547	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1548	} else {
jaroslav@16	1549	out.append(d);
jaroslav@16	1550	}
jaroslav@16	1551	}
jaroslav@21	1552
jaroslav@230	1553	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1554	String[] classRef = { null };
jaroslav@230	1555	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1556	if (classRef[0] != null) {
jaroslav@567	1557	if (classRef[0].startsWith("[")) {
jaroslav@567	1558	s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
jaroslav@567	1559	} else {
jaroslav@567	1560	addReference(classRef[0]);
jaroslav@567	1561	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@567	1562	}
jaroslav@230	1563	}
jaroslav@151	1564	return s;
jaroslav@21	1565	}
jaroslav@32	1566
lubomir@869	1567	private String javaScriptBody(String destObject, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1568	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1569	if (arr == null) {
jaroslav@266	1570	return null;
jaroslav@152	1571	}
jaroslav@200	1572	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1573	class P extends AnnotationParser {
jaroslav@237	1574	public P() {
jaroslav@652	1575	super(false, true);
jaroslav@237	1576	}
jaroslav@237	1577
jaroslav@152	1578	int cnt;
jaroslav@152	1579	String[] args = new String[30];
jaroslav@152	1580	String body;
jaroslav@94	1581
jaroslav@152	1582	@Override
jaroslav@236	1583	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1584	if (type.equals(jvmType)) {
jaroslav@152	1585	if ("body".equals(attr)) {
jaroslav@152	1586	body = value;
jaroslav@152	1587	} else if ("args".equals(attr)) {
jaroslav@152	1588	args[cnt++] = value;
jaroslav@152	1589	} else {
jaroslav@152	1590	throw new IllegalArgumentException(attr);
jaroslav@152	1591	}
jaroslav@152	1592	}
jaroslav@94	1593	}
jaroslav@94	1594	}
jaroslav@152	1595	P p = new P();
jaroslav@152	1596	p.parse(arr, jc);
jaroslav@152	1597	if (p.body == null) {
jaroslav@266	1598	return null;
jaroslav@152	1599	}
jtulach@156	1600	StringBuilder cnt = new StringBuilder();
jaroslav@266	1601	final String mn = findMethodName(m, cnt);
lubomir@869	1602	out.append(destObject).append(".").append(mn);
jaroslav@203	1603	out.append(" = function(");
jaroslav@442	1604	String space = "";
jaroslav@443	1605	int index = 0;
jtulach@156	1606	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1607	out.append(space);
jaroslav@316	1608	space = outputArg(out, p.args, index);
jaroslav@152	1609	index++;
jaroslav@152	1610	}
jaroslav@152	1611	out.append(") {").append("\n");
jaroslav@152	1612	out.append(p.body);
jaroslav@152	1613	out.append("\n}\n");
jaroslav@266	1614	return mn;
jaroslav@151	1615	}
jaroslav@151	1616	private static String className(ClassData jc) {
jaroslav@151	1617	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1618	return jc.getClassName().replace('/', '_');
jaroslav@94	1619	}
jaroslav@152	1620
jaroslav@152	1621	private static String[] findAnnotation(
jaroslav@152	1622	byte[] arr, ClassData cd, final String className,
jaroslav@152	1623	final String... attrNames
jaroslav@152	1624	) throws IOException {
jaroslav@152	1625	if (arr == null) {
jaroslav@152	1626	return null;
jaroslav@152	1627	}
jaroslav@152	1628	final String[] values = new String[attrNames.length];
jaroslav@152	1629	final boolean[] found = { false };
jaroslav@152	1630	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@652	1631	AnnotationParser ap = new AnnotationParser(false, true) {
jaroslav@152	1632	@Override
jaroslav@236	1633	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1634	if (type.equals(jvmType)) {
jaroslav@152	1635	found[0] = true;
jaroslav@152	1636	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1637	if (attrNames[i].equals(attr)) {
jaroslav@152	1638	values[i] = value;
jaroslav@152	1639	}
jaroslav@152	1640	}
jaroslav@152	1641	}
jaroslav@152	1642	}
jaroslav@152	1643
jaroslav@152	1644	};
jaroslav@152	1645	ap.parse(arr, cd);
jaroslav@152	1646	return found[0] ? values : null;
jaroslav@152	1647	}
jaroslav@173	1648
jaroslav@173	1649	private CharSequence initField(FieldData v) {
jaroslav@173	1650	final String is = v.getInternalSig();
jaroslav@173	1651	if (is.length() == 1) {
jaroslav@173	1652	switch (is.charAt(0)) {
jaroslav@173	1653	case 'S':
jaroslav@173	1654	case 'J':
jaroslav@173	1655	case 'B':
jaroslav@173	1656	case 'Z':
jaroslav@173	1657	case 'C':
jaroslav@173	1658	case 'I': return " = 0;";
jaroslav@173	1659	case 'F':
jaroslav@180	1660	case 'D': return " = 0.0;";
jaroslav@173	1661	default:
jaroslav@173	1662	throw new IllegalStateException(is);
jaroslav@173	1663	}
jaroslav@173	1664	}
jaroslav@173	1665	return " = null;";
jaroslav@173	1666	}
jaroslav@235	1667
jaroslav@655	1668	private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@652	1669	AnnotationParser ap = new AnnotationParser(true, false) {
jaroslav@652	1670	int[] cnt = new int[32];
jaroslav@652	1671	int depth;
jaroslav@235	1672
jaroslav@235	1673	@Override
jaroslav@659	1674	protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
jaroslav@659	1675	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@659	1676	requireReference(slashType);
jaroslav@659	1677
jaroslav@652	1678	if (cnt[depth]++ > 0) {
jaroslav@237	1679	out.append(",");
jaroslav@237	1680	}
jaroslav@659	1681	if (top) {
jaroslav@659	1682	out.append('"').append(attrType).append("\" : ");
jaroslav@659	1683	}
jaroslav@659	1684	out.append("{\n");
jaroslav@652	1685	cnt[++depth] = 0;
jaroslav@235	1686	}
jaroslav@235	1687
jaroslav@235	1688	@Override
jaroslav@659	1689	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@235	1690	out.append("\n}\n");
jaroslav@652	1691	depth--;
jaroslav@652	1692	}
jaroslav@652	1693
jaroslav@652	1694	@Override
jaroslav@652	1695	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@652	1696	if (cnt[depth]++ > 0) {
jaroslav@652	1697	out.append(",\n");
jaroslav@652	1698	}
jaroslav@652	1699	cnt[++depth] = 0;
jaroslav@652	1700	if (attrName != null) {
jaroslav@652	1701	out.append(attrName).append(" : ");
jaroslav@652	1702	}
jaroslav@652	1703	if (type == '[') {
jaroslav@652	1704	out.append("[");
jaroslav@652	1705	}
jaroslav@652	1706	}
jaroslav@652	1707
jaroslav@652	1708	@Override
jaroslav@652	1709	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@652	1710	if (type == '[') {
jaroslav@652	1711	out.append("]");
jaroslav@652	1712	}
jaroslav@652	1713	depth--;
jaroslav@235	1714	}
jaroslav@235	1715
jaroslav@235	1716	@Override
jaroslav@236	1717	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1718	throws IOException {
jaroslav@652	1719	if (attr == null && value == null) {
jaroslav@266	1720	return;
jaroslav@266	1721	}
jaroslav@652	1722	out.append(value);
jaroslav@592	1723	}
jaroslav@655	1724
jaroslav@655	1725	@Override
jaroslav@655	1726	protected void visitEnumAttr(String type, String attr, String attrType, String value)
jaroslav@655	1727	throws IOException {
jaroslav@655	1728	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@655	1729	requireReference(slashType);
jaroslav@655	1730
jaroslav@655	1731	out.append(accessClass(slashType.replace('/', '_')))
jaroslav@655	1732	.append("(false).constructor.").append(value);
jaroslav@235	1733	}
jaroslav@235	1734	};
jaroslav@235	1735	ap.parse(data, cd);
jaroslav@235	1736	}
jaroslav@316	1737
jaroslav@316	1738	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1739	final String name = args[indx];
jaroslav@316	1740	if (name == null) {
jaroslav@316	1741	return "";
jaroslav@316	1742	}
jaroslav@316	1743	if (name.contains(",")) {
jaroslav@316	1744	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1745	}
jaroslav@316	1746	out.append(name);
jaroslav@316	1747	return ",";
jaroslav@316	1748	}
lubomir@317	1749
lubomir@283	1750	private static void emit(final Appendable out,
lubomir@283	1751	final String format,
lubomir@283	1752	final CharSequence... params) throws IOException {
lubomir@283	1753	final int length = format.length();
lubomir@283	1754
lubomir@283	1755	int processed = 0;
lubomir@283	1756	int paramOffset = format.indexOf('@');
lubomir@283	1757	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1758	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1759	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1760	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1761
lubomir@283	1762	out.append(format, processed, paramOffset);
lubomir@283	1763	out.append(params[paramIndex]);
lubomir@283	1764
lubomir@283	1765	++paramOffset;
lubomir@283	1766	processed = paramOffset + 1;
lubomir@283	1767	}
lubomir@283	1768
lubomir@283	1769	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1770	}
lubomir@283	1771
lubomir@283	1772	out.append(format, processed, length);
lubomir@283	1773	}
jaroslav@398	1774
jaroslav@843	1775	private void generateCatch(TrapData[] traps, int current, int topMostLabel) throws IOException {
jaroslav@400	1776	out.append("} catch (e) {\n");
jaroslav@401	1777	int finallyPC = -1;
jaroslav@398	1778	for (TrapData e : traps) {
jaroslav@398	1779	if (e == null) {
jaroslav@398	1780	break;
jaroslav@398	1781	}
jaroslav@398	1782	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1783	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1784	addReference(classInternalName);
jaroslav@423	1785	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1786	out.append("if (e.$instOf_java_lang_Throwable) {");
lubomir@474	1787	out.append(" var stA0 = e;");
jaroslav@423	1788	out.append("} else {");
lubomir@474	1789	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1790	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1791	out.append("}");
jaroslav@843	1792	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1793	} else {
jaroslav@423	1794	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@839	1795	out.append("var stA0 = e;");
jaroslav@843	1796	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1797	out.append("}\n");
jaroslav@423	1798	}
jaroslav@398	1799	} else {
jaroslav@401	1800	finallyPC = e.handler_pc;
jaroslav@398	1801	}
jaroslav@398	1802	}
jaroslav@401	1803	if (finallyPC == -1) {
jaroslav@401	1804	out.append("throw e;");
jaroslav@401	1805	} else {
jaroslav@839	1806	out.append("var stA0 = e;");
jaroslav@843	1807	goTo(out, current, finallyPC, topMostLabel);
jaroslav@401	1808	}
jaroslav@400	1809	out.append("\n}");
jaroslav@398	1810	}
jaroslav@839	1811
jaroslav@843	1812	private static void goTo(Appendable out, int current, int to, int canBack) throws IOException {
jaroslav@839	1813	if (to < current) {
jaroslav@843	1814	if (canBack < to) {
jaroslav@843	1815	out.append("{ gt = 0; continue X_" + to + "; }");
jaroslav@843	1816	} else {
jaroslav@843	1817	out.append("{ gt = " + to + "; continue X_0; }");
jaroslav@843	1818	}
jaroslav@839	1819	} else {
jaroslav@839	1820	out.append("{ gt = " + to + "; break IF; }");
jaroslav@839	1821	}
jaroslav@839	1822	}
jaroslav@839	1823
jaroslav@843	1824	private static void emitIf(
jaroslav@843	1825	Appendable out, String pattern, Variable param,
jaroslav@843	1826	int current, int to, int canBack
jaroslav@843	1827	) throws IOException {
jaroslav@839	1828	emit(out, pattern, param);
jaroslav@843	1829	goTo(out, current, to, canBack);
jaroslav@839	1830	}
jaroslav@842	1831
jaroslav@842	1832	private void generateNewArray(int atype, final StackMapper smapper) throws IOException, IllegalStateException {
jaroslav@842	1833	String jvmType;
jaroslav@842	1834	switch (atype) {
jaroslav@842	1835	case 4: jvmType = "[Z"; break;
jaroslav@842	1836	case 5: jvmType = "[C"; break;
jaroslav@842	1837	case 6: jvmType = "[F"; break;
jaroslav@842	1838	case 7: jvmType = "[D"; break;
jaroslav@842	1839	case 8: jvmType = "[B"; break;
jaroslav@842	1840	case 9: jvmType = "[S"; break;
jaroslav@842	1841	case 10: jvmType = "[I"; break;
jaroslav@842	1842	case 11: jvmType = "[J"; break;
jaroslav@842	1843	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@842	1844	}
jaroslav@842	1845	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@842	1846	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@842	1847	}
jaroslav@842	1848
jaroslav@842	1849	private void generateANewArray(int type, final StackMapper smapper) throws IOException {
jaroslav@842	1850	String typeName = jc.getClassName(type);
jaroslav@842	1851	if (typeName.startsWith("[")) {
jaroslav@842	1852	typeName = "[" + typeName;
jaroslav@842	1853	} else {
jaroslav@842	1854	typeName = "[L" + typeName + ";";
jaroslav@842	1855	}
jaroslav@842	1856	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@842	1857	smapper.popI(), smapper.pushA(), typeName);
jaroslav@842	1858	}
jaroslav@842	1859
jaroslav@842	1860	private int generateMultiANewArray(int type, final byte[] byteCodes, int i, final StackMapper smapper) throws IOException {
jaroslav@842	1861	String typeName = jc.getClassName(type);
jaroslav@842	1862	int dim = readUByte(byteCodes, ++i);
jaroslav@842	1863	StringBuilder dims = new StringBuilder();
jaroslav@842	1864	dims.append('[');
jaroslav@842	1865	for (int d = 0; d < dim; d++) {
jaroslav@842	1866	if (d != 0) {
jaroslav@842	1867	dims.insert(1, ",");
jaroslav@842	1868	}
jaroslav@842	1869	dims.insert(1, smapper.popI());
jaroslav@842	1870	}
jaroslav@842	1871	dims.append(']');
jaroslav@842	1872	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@842	1873	dims.toString(), smapper.pushA(), typeName);
jaroslav@842	1874	return i;
jaroslav@842	1875	}
jaroslav@842	1876
jaroslav@843	1877	private int generateTableSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1878	int table = i / 4 * 4 + 4;
jaroslav@842	1879	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1880	table += 4;
jaroslav@842	1881	int low = readInt4(byteCodes, table);
jaroslav@842	1882	table += 4;
jaroslav@842	1883	int high = readInt4(byteCodes, table);
jaroslav@842	1884	table += 4;
jaroslav@842	1885	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1886	while (low <= high) {
jaroslav@842	1887	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1888	table += 4;
jaroslav@843	1889	out.append(" case " + low).append(":"); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1890	low++;
jaroslav@842	1891	}
jaroslav@842	1892	out.append(" default: ");
jaroslav@843	1893	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1894	out.append("\n}");
jaroslav@842	1895	i = table - 1;
jaroslav@842	1896	return i;
jaroslav@842	1897	}
jaroslav@842	1898
jaroslav@843	1899	private int generateLookupSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1900	int table = i / 4 * 4 + 4;
jaroslav@842	1901	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1902	table += 4;
jaroslav@842	1903	int n = readInt4(byteCodes, table);
jaroslav@842	1904	table += 4;
jaroslav@842	1905	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1906	while (n-- > 0) {
jaroslav@842	1907	int cnstnt = readInt4(byteCodes, table);
jaroslav@842	1908	table += 4;
jaroslav@842	1909	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1910	table += 4;
jaroslav@843	1911	out.append(" case " + cnstnt).append(": "); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1912	}
jaroslav@842	1913	out.append(" default: ");
jaroslav@843	1914	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1915	out.append("\n}");
jaroslav@842	1916	i = table - 1;
jaroslav@842	1917	return i;
jaroslav@842	1918	}
jaroslav@842	1919
jaroslav@842	1920	private void generateInstanceOf(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1921	final String type = jc.getClassName(indx);
jaroslav@842	1922	if (!type.startsWith("[")) {
jaroslav@842	1923	emit(out, "var @2 = @1 != null && @1.$instOf_@3 ? 1 : 0;",
jaroslav@842	1924	smapper.popA(), smapper.pushI(),
jaroslav@842	1925	type.replace('/', '_'));
jaroslav@842	1926	} else {
jaroslav@842	1927	emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
jaroslav@842	1928	smapper.popA(), smapper.pushI(),
jaroslav@842	1929	type
jaroslav@842	1930	);
jaroslav@842	1931	}
jaroslav@842	1932	}
jaroslav@842	1933
jaroslav@842	1934	private void generateCheckcast(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1935	final String type = jc.getClassName(indx);
jaroslav@842	1936	if (!type.startsWith("[")) {
jaroslav@842	1937	emit(out,
jaroslav@962	1938	"if (@1 !== null && !@1.$instOf_@2) throw vm.java_lang_ClassCastException(true);",
jaroslav@842	1939	smapper.getA(0), type.replace('/', '_'));
jaroslav@842	1940	} else {
jaroslav@842	1941	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	1942	smapper.getA(0), type
jaroslav@842	1943	);
jaroslav@842	1944	}
jaroslav@842	1945	}
jaroslav@842	1946
jaroslav@842	1947	private void generateByteCodeComment(int prev, int i, final byte[] byteCodes) throws IOException {
jaroslav@842	1948	for (int j = prev; j <= i; j++) {
jaroslav@842	1949	out.append(" ");
jaroslav@842	1950	final int cc = readUByte(byteCodes, j);
jaroslav@842	1951	out.append(Integer.toString(cc));
jaroslav@842	1952	}
jaroslav@842	1953	}
jaroslav@0	1954	}

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Fri, 26 Apr 2013 18:48:34 +0200
branch	closure
changeset 1029	b1fe994d4267
parent 1020	a6bacea2518f
child 1082	977cc6141083
permissions	-rw-r--r--