hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@977cc6141083 (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@1082	188	out.append("\n c['$instOf_").append(className).append("'] = true;");
jaroslav@151	189	for (String superInterface : jc.getSuperInterfaces()) {
lubomir@1082	190	out.append("\n c['$instOf_").append(superInterface.replace('/', '_')).append("'] = true;");
jaroslav@40	191	}
jaroslav@711	192	out.append("\n CLS.$class = 'temp';");
jaroslav@274	193	out.append("\n CLS.$class = ");
jaroslav@274	194	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	195	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	196	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	197	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	198	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	199	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	200	if (classAnno != null) {
jaroslav@235	201	out.append("\n CLS.$class.anno = {");
jaroslav@235	202	generateAnno(jc, out, classAnno);
jaroslav@235	203	out.append("\n };");
jaroslav@235	204	}
jaroslav@834	205	for (String init : toInitilize.toArray()) {
jaroslav@834	206	out.append("\n ").append(init).append("();");
jaroslav@834	207	}
jaroslav@204	208	out.append("\n }");
jaroslav@205	209	out.append("\n if (arguments.length === 0) {");
jaroslav@226	210	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	211	out.append("\n return new CLS();");
jaroslav@226	212	out.append("\n }");
jaroslav@205	213	for (FieldData v : jc.getFields()) {
jaroslav@240	214	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	215	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	216	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	217	"name", "value"
jaroslav@240	218	);
jaroslav@240	219	if (only != null) {
jaroslav@240	220	if (only[0] != null && only[1] != null) {
jaroslav@240	221	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	222	.append(only[1]).append(";");
jaroslav@240	223	}
jaroslav@240	224	continue;
jaroslav@240	225	}
jaroslav@205	226	if (!v.isStatic()) {
jaroslav@205	227	out.append("\n this.fld_").
jaroslav@592	228	append(className).append('_').
jaroslav@205	229	append(v.getName()).append(initField(v));
jaroslav@205	230	}
jaroslav@205	231	}
jaroslav@205	232	out.append("\n return this;");
jaroslav@205	233	out.append("\n }");
jaroslav@224	234	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@509	235	out.append("\n};");
lubomir@869	236
lubomir@1029	237	declaredClass(jc, className);
lubomir@869	238
jaroslav@834	239	// StringBuilder sb = new StringBuilder();
jaroslav@834	240	// for (String init : toInitilize.toArray()) {
jaroslav@834	241	// sb.append("\n").append(init).append("();");
jaroslav@834	242	// }
jaroslav@834	243	return "";
jaroslav@0	244	}
lubomir@869	245	private String generateStaticMethod(String destObject, MethodData m, StringArray toInitilize) throws IOException {
lubomir@869	246	String jsb = javaScriptBody(destObject, m, true);
jaroslav@266	247	if (jsb != null) {
jaroslav@266	248	return jsb;
jaroslav@94	249	}
lubomir@307	250	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	251	if (mn.equals("class__V")) {
jaroslav@274	252	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	253	}
lubomir@869	254	generateMethod(destObject, mn, m);
jaroslav@266	255	return mn;
jaroslav@10	256	}
lubomir@307	257
lubomir@869	258	private String generateInstanceMethod(String destObject, MethodData m) throws IOException {
lubomir@869	259	String jsb = javaScriptBody(destObject, m, false);
jaroslav@266	260	if (jsb != null) {
jaroslav@266	261	return jsb;
jaroslav@94	262	}
lubomir@307	263	final String mn = findMethodName(m, new StringBuilder());
lubomir@869	264	generateMethod(destObject, mn, m);
jaroslav@266	265	return mn;
jaroslav@0	266	}
jaroslav@0	267
lubomir@869	268	private void generateMethod(String destObject, String name, MethodData m)
lubomir@307	269	throws IOException {
lubomir@307	270	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	271	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	272	final LocalsMapper lmapper =
lubomir@307	273	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	274
lubomir@869	275	out.append(destObject).append(".").append(name).append(" = function(");
jaroslav@442	276	lmapper.outputArguments(out, m.isStatic());
lubomir@307	277	out.append(") {").append("\n");
lubomir@307	278
lubomir@221	279	final byte[] byteCodes = m.getCode();
lubomir@307	280	if (byteCodes == null) {
lubomir@307	281	out.append(" throw 'no code found for ")
jaroslav@424	282	.append(jc.getClassName()).append('.')
jaroslav@424	283	.append(m.getName()).append("';\n");
lubomir@307	284	out.append("};");
lubomir@307	285	return;
lubomir@307	286	}
lubomir@307	287
lubomir@307	288	final StackMapper smapper = new StackMapper();
lubomir@307	289
jaroslav@442	290	if (!m.isStatic()) {
jaroslav@442	291	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	292	}
lubomir@221	293
lubomir@221	294	int lastStackFrame = -1;
jaroslav@398	295	TrapData[] previousTrap = null;
lubomir@585	296	boolean wide = false;
jaroslav@398	297
jaroslav@839	298	out.append("\n var gt = 0;\n");
jaroslav@839	299	int openBraces = 0;
jaroslav@843	300	int topMostLabel = 0;
jaroslav@0	301	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	302	int prev = i;
lubomir@221	303	stackMapIterator.advanceTo(i);
jaroslav@398	304	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	305	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	306	if (previousTrap != null) {
jaroslav@843	307	generateCatch(previousTrap, i, topMostLabel);
jaroslav@398	308	previousTrap = null;
jaroslav@398	309	}
jaroslav@398	310	}
lubomir@221	311	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@839	312	if (i != 0) {
jaroslav@839	313	out.append(" }\n");
jaroslav@839	314	}
jaroslav@843	315	if (openBraces > 64) {
jaroslav@843	316	for (int c = 0; c < 64; c++) {
jaroslav@843	317	out.append("break;}\n");
jaroslav@843	318	}
jaroslav@843	319	openBraces = 1;
jaroslav@843	320	topMostLabel = i;
jaroslav@843	321	}
jaroslav@839	322
lubomir@221	323	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	324	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	325	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@839	326	out.append(" X_" + i).append(": for (;;) { IF: if (gt <= " + i + ") {\n");
jaroslav@839	327	openBraces++;
jaroslav@398	328	changeInCatch = true;
lubomir@221	329	} else {
jaroslav@399	330	debug(" /* " + i + " */ ");
lubomir@221	331	}
jaroslav@398	332	if (changeInCatch && trap.useTry()) {
tzezula@285	333	out.append("try {");
jaroslav@398	334	previousTrap = trap.current();
tzezula@285	335	}
lubomir@585	336	final int c = readUByte(byteCodes, i);
jaroslav@0	337	switch (c) {
jaroslav@151	338	case opc_aload_0:
lubomir@474	339	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	340	break;
jaroslav@151	341	case opc_iload_0:
lubomir@474	342	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	343	break;
jaroslav@151	344	case opc_lload_0:
lubomir@474	345	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	346	break;
jaroslav@151	347	case opc_fload_0:
lubomir@474	348	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	349	break;
jaroslav@151	350	case opc_dload_0:
lubomir@474	351	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	352	break;
jaroslav@151	353	case opc_aload_1:
lubomir@474	354	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	355	break;
jaroslav@151	356	case opc_iload_1:
lubomir@474	357	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	358	break;
jaroslav@151	359	case opc_lload_1:
lubomir@474	360	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	361	break;
jaroslav@151	362	case opc_fload_1:
lubomir@474	363	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	364	break;
jaroslav@151	365	case opc_dload_1:
lubomir@474	366	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	367	break;
jaroslav@151	368	case opc_aload_2:
lubomir@474	369	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	370	break;
jaroslav@151	371	case opc_iload_2:
lubomir@474	372	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	373	break;
jaroslav@151	374	case opc_lload_2:
lubomir@474	375	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	376	break;
jaroslav@151	377	case opc_fload_2:
lubomir@474	378	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	379	break;
jaroslav@151	380	case opc_dload_2:
lubomir@474	381	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	382	break;
jaroslav@151	383	case opc_aload_3:
lubomir@474	384	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	385	break;
jaroslav@151	386	case opc_iload_3:
lubomir@474	387	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	388	break;
jaroslav@151	389	case opc_lload_3:
lubomir@474	390	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	391	break;
jaroslav@151	392	case opc_fload_3:
lubomir@474	393	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	394	break;
jaroslav@151	395	case opc_dload_3:
lubomir@474	396	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	397	break;
lubomir@281	398	case opc_iload: {
lubomir@585	399	++i;
lubomir@585	400	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	401	: readUByte(byteCodes, i);
lubomir@585	402	wide = false;
lubomir@474	403	emit(out, "var @1 = @2;",
lubomir@474	404	smapper.pushI(), lmapper.getI(indx));
lubomir@281	405	break;
lubomir@281	406	}
lubomir@281	407	case opc_lload: {
lubomir@585	408	++i;
lubomir@585	409	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	410	: readUByte(byteCodes, i);
lubomir@585	411	wide = false;
lubomir@474	412	emit(out, "var @1 = @2;",
lubomir@474	413	smapper.pushL(), lmapper.getL(indx));
lubomir@281	414	break;
lubomir@281	415	}
lubomir@281	416	case opc_fload: {
lubomir@585	417	++i;
lubomir@585	418	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	419	: readUByte(byteCodes, i);
lubomir@585	420	wide = false;
lubomir@474	421	emit(out, "var @1 = @2;",
lubomir@474	422	smapper.pushF(), lmapper.getF(indx));
lubomir@281	423	break;
lubomir@281	424	}
lubomir@281	425	case opc_dload: {
lubomir@585	426	++i;
lubomir@585	427	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	428	: readUByte(byteCodes, i);
lubomir@585	429	wide = false;
lubomir@474	430	emit(out, "var @1 = @2;",
lubomir@474	431	smapper.pushD(), lmapper.getD(indx));
lubomir@281	432	break;
lubomir@281	433	}
jaroslav@151	434	case opc_aload: {
lubomir@585	435	++i;
lubomir@585	436	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	437	: readUByte(byteCodes, i);
lubomir@585	438	wide = false;
lubomir@474	439	emit(out, "var @1 = @2;",
lubomir@474	440	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	441	break;
jaroslav@3	442	}
lubomir@281	443	case opc_istore: {
lubomir@585	444	++i;
lubomir@585	445	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	446	: readUByte(byteCodes, i);
lubomir@585	447	wide = false;
lubomir@474	448	emit(out, "var @1 = @2;",
lubomir@474	449	lmapper.setI(indx), smapper.popI());
lubomir@281	450	break;
lubomir@281	451	}
lubomir@281	452	case opc_lstore: {
lubomir@585	453	++i;
lubomir@585	454	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	455	: readUByte(byteCodes, i);
lubomir@585	456	wide = false;
lubomir@474	457	emit(out, "var @1 = @2;",
lubomir@474	458	lmapper.setL(indx), smapper.popL());
lubomir@281	459	break;
lubomir@281	460	}
lubomir@281	461	case opc_fstore: {
lubomir@585	462	++i;
lubomir@585	463	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	464	: readUByte(byteCodes, i);
lubomir@585	465	wide = false;
lubomir@474	466	emit(out, "var @1 = @2;",
lubomir@474	467	lmapper.setF(indx), smapper.popF());
lubomir@281	468	break;
lubomir@281	469	}
lubomir@281	470	case opc_dstore: {
lubomir@585	471	++i;
lubomir@585	472	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	473	: readUByte(byteCodes, i);
lubomir@585	474	wide = false;
lubomir@474	475	emit(out, "var @1 = @2;",
lubomir@474	476	lmapper.setD(indx), smapper.popD());
lubomir@281	477	break;
lubomir@281	478	}
jaroslav@151	479	case opc_astore: {
lubomir@585	480	++i;
lubomir@585	481	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	482	: readUByte(byteCodes, i);
lubomir@585	483	wide = false;
lubomir@474	484	emit(out, "var @1 = @2;",
lubomir@474	485	lmapper.setA(indx), smapper.popA());
jaroslav@31	486	break;
jaroslav@31	487	}
jaroslav@151	488	case opc_astore_0:
lubomir@474	489	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	490	break;
jaroslav@151	491	case opc_istore_0:
lubomir@474	492	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	493	break;
jaroslav@151	494	case opc_lstore_0:
lubomir@474	495	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	496	break;
jaroslav@151	497	case opc_fstore_0:
lubomir@474	498	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	499	break;
jaroslav@151	500	case opc_dstore_0:
lubomir@474	501	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	502	break;
jaroslav@151	503	case opc_astore_1:
lubomir@474	504	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	505	break;
jaroslav@151	506	case opc_istore_1:
lubomir@474	507	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	508	break;
jaroslav@151	509	case opc_lstore_1:
lubomir@474	510	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	511	break;
jaroslav@151	512	case opc_fstore_1:
lubomir@474	513	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	514	break;
jaroslav@151	515	case opc_dstore_1:
lubomir@474	516	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	517	break;
jaroslav@151	518	case opc_astore_2:
lubomir@474	519	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	520	break;
jaroslav@151	521	case opc_istore_2:
lubomir@474	522	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	523	break;
jaroslav@151	524	case opc_lstore_2:
lubomir@474	525	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	526	break;
jaroslav@151	527	case opc_fstore_2:
lubomir@474	528	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	529	break;
jaroslav@151	530	case opc_dstore_2:
lubomir@474	531	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	532	break;
jaroslav@151	533	case opc_astore_3:
lubomir@474	534	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	535	break;
jaroslav@151	536	case opc_istore_3:
lubomir@474	537	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	538	break;
jaroslav@151	539	case opc_lstore_3:
lubomir@474	540	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	541	break;
jaroslav@151	542	case opc_fstore_3:
lubomir@474	543	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	544	break;
jaroslav@151	545	case opc_dstore_3:
lubomir@474	546	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	547	break;
jaroslav@151	548	case opc_iadd:
Martin@445	549	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	550	break;
jaroslav@151	551	case opc_ladd:
Martin@582	552	emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	553	break;
jaroslav@151	554	case opc_fadd:
lubomir@307	555	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	556	break;
jaroslav@151	557	case opc_dadd:
lubomir@307	558	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	559	break;
jaroslav@151	560	case opc_isub:
Martin@445	561	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	562	break;
jaroslav@151	563	case opc_lsub:
Martin@620	564	emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	565	break;
jaroslav@151	566	case opc_fsub:
lubomir@307	567	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	568	break;
jaroslav@151	569	case opc_dsub:
lubomir@307	570	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	571	break;
jaroslav@151	572	case opc_imul:
Martin@445	573	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	574	break;
jaroslav@151	575	case opc_lmul:
Martin@657	576	emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	577	break;
jaroslav@151	578	case opc_fmul:
lubomir@307	579	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	580	break;
jaroslav@151	581	case opc_dmul:
lubomir@307	582	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	583	break;
jaroslav@151	584	case opc_idiv:
lubomir@737	585	emit(out, "@1 = @1.div32(@2);",
lubomir@307	586	smapper.getI(1), smapper.popI());
lubomir@281	587	break;
jaroslav@151	588	case opc_ldiv:
Martin@582	589	emit(out, "@1 = @1.div64(@2);",
lubomir@307	590	smapper.getL(1), smapper.popL());
jaroslav@3	591	break;
jaroslav@151	592	case opc_fdiv:
lubomir@307	593	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	594	break;
jaroslav@151	595	case opc_ddiv:
lubomir@307	596	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	597	break;
jaroslav@178	598	case opc_irem:
lubomir@737	599	emit(out, "@1 = @1.mod32(@2);",
lubomir@737	600	smapper.getI(1), smapper.popI());
lubomir@281	601	break;
jaroslav@178	602	case opc_lrem:
lubomir@676	603	emit(out, "@1 = @1.mod64(@2);",
lubomir@676	604	smapper.getL(1), smapper.popL());
lubomir@281	605	break;
jaroslav@178	606	case opc_frem:
lubomir@307	607	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	608	break;
jaroslav@178	609	case opc_drem:
lubomir@307	610	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	611	break;
jaroslav@151	612	case opc_iand:
lubomir@307	613	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	614	break;
jaroslav@151	615	case opc_land:
Martin@615	616	emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	617	break;
jaroslav@151	618	case opc_ior:
lubomir@307	619	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	620	break;
jaroslav@151	621	case opc_lor:
Martin@627	622	emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	623	break;
jaroslav@151	624	case opc_ixor:
lubomir@307	625	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	626	break;
jaroslav@151	627	case opc_lxor:
lubomir@679	628	emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
jaroslav@6	629	break;
jaroslav@151	630	case opc_ineg:
Martin@700	631	emit(out, "@1 = @1.neg32();", smapper.getI(0));
lubomir@281	632	break;
jaroslav@151	633	case opc_lneg:
Martin@630	634	emit(out, "@1 = @1.neg64();", smapper.getL(0));
lubomir@281	635	break;
jaroslav@151	636	case opc_fneg:
lubomir@307	637	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	638	break;
jaroslav@151	639	case opc_dneg:
lubomir@307	640	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	641	break;
jaroslav@151	642	case opc_ishl:
lubomir@307	643	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	644	break;
jaroslav@151	645	case opc_lshl:
Martin@582	646	emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	647	break;
jaroslav@151	648	case opc_ishr:
lubomir@307	649	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	650	break;
jaroslav@151	651	case opc_lshr:
Martin@615	652	emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	653	break;
jaroslav@151	654	case opc_iushr:
lubomir@307	655	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	656	break;
jaroslav@151	657	case opc_lushr:
Martin@629	658	emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	659	break;
jaroslav@151	660	case opc_iinc: {
lubomir@585	661	++i;
lubomir@585	662	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	663	: readUByte(byteCodes, i);
lubomir@585	664	++i;
lubomir@697	665	final int incrBy = wide ? readShort(byteCodes, i++)
lubomir@585	666	: byteCodes[i];
lubomir@585	667	wide = false;
jaroslav@5	668	if (incrBy == 1) {
lubomir@307	669	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	670	} else {
lubomir@307	671	emit(out, "@1 += @2;",
lubomir@307	672	lmapper.getI(varIndx),
lubomir@283	673	Integer.toString(incrBy));
jaroslav@5	674	}
jaroslav@5	675	break;
jaroslav@5	676	}
jaroslav@151	677	case opc_return:
lubomir@283	678	emit(out, "return;");
jaroslav@10	679	break;
jaroslav@151	680	case opc_ireturn:
lubomir@307	681	emit(out, "return @1;", smapper.popI());
lubomir@281	682	break;
jaroslav@151	683	case opc_lreturn:
lubomir@307	684	emit(out, "return @1;", smapper.popL());
lubomir@281	685	break;
jaroslav@151	686	case opc_freturn:
lubomir@307	687	emit(out, "return @1;", smapper.popF());
lubomir@281	688	break;
jaroslav@151	689	case opc_dreturn:
lubomir@307	690	emit(out, "return @1;", smapper.popD());
lubomir@281	691	break;
jaroslav@151	692	case opc_areturn:
lubomir@307	693	emit(out, "return @1;", smapper.popA());
jaroslav@1	694	break;
jaroslav@151	695	case opc_i2l:
lubomir@474	696	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	697	break;
jaroslav@151	698	case opc_i2f:
lubomir@474	699	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	700	break;
jaroslav@151	701	case opc_i2d:
lubomir@474	702	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	703	break;
jaroslav@151	704	case opc_l2i:
Martin@582	705	emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
lubomir@281	706	break;
jaroslav@3	707	// max int check?
jaroslav@151	708	case opc_l2f:
Martin@582	709	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
jaroslav@272	710	break;
jaroslav@151	711	case opc_l2d:
Martin@582	712	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
jaroslav@272	713	break;
jaroslav@151	714	case opc_f2d:
lubomir@474	715	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	716	break;
jaroslav@151	717	case opc_d2f:
lubomir@474	718	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	719	break;
jaroslav@151	720	case opc_f2i:
lubomir@778	721	emit(out, "var @2 = @1.toInt32();",
lubomir@307	722	smapper.popF(), smapper.pushI());
lubomir@281	723	break;
jaroslav@151	724	case opc_f2l:
lubomir@778	725	emit(out, "var @2 = @1.toLong();",
lubomir@307	726	smapper.popF(), smapper.pushL());
lubomir@281	727	break;
jaroslav@151	728	case opc_d2i:
lubomir@778	729	emit(out, "var @2 = @1.toInt32();",
lubomir@307	730	smapper.popD(), smapper.pushI());
lubomir@281	731	break;
jaroslav@151	732	case opc_d2l:
lubomir@778	733	emit(out, "var @2 = @1.toLong();",
lubomir@307	734	smapper.popD(), smapper.pushL());
jaroslav@3	735	break;
jaroslav@151	736	case opc_i2b:
lubomir@474	737	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	738	break;
jaroslav@151	739	case opc_i2c:
Martin@439	740	out.append("{ /* number conversion */ }");
Martin@439	741	break;
jaroslav@151	742	case opc_i2s:
lubomir@474	743	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	744	break;
jaroslav@151	745	case opc_aconst_null:
lubomir@474	746	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	747	break;
jaroslav@151	748	case opc_iconst_m1:
lubomir@474	749	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	750	break;
jaroslav@151	751	case opc_iconst_0:
lubomir@474	752	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	753	break;
jaroslav@151	754	case opc_dconst_0:
lubomir@474	755	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	756	break;
jaroslav@151	757	case opc_lconst_0:
lubomir@474	758	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	759	break;
jaroslav@151	760	case opc_fconst_0:
lubomir@474	761	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	762	break;
jaroslav@151	763	case opc_iconst_1:
lubomir@474	764	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	765	break;
jaroslav@151	766	case opc_lconst_1:
lubomir@474	767	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	768	break;
jaroslav@151	769	case opc_fconst_1:
lubomir@474	770	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	771	break;
jaroslav@151	772	case opc_dconst_1:
lubomir@474	773	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	774	break;
jaroslav@151	775	case opc_iconst_2:
lubomir@474	776	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	777	break;
jaroslav@151	778	case opc_fconst_2:
lubomir@474	779	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	780	break;
jaroslav@151	781	case opc_iconst_3:
lubomir@474	782	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	783	break;
jaroslav@151	784	case opc_iconst_4:
lubomir@474	785	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	786	break;
jaroslav@151	787	case opc_iconst_5:
lubomir@474	788	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	789	break;
jaroslav@151	790	case opc_ldc: {
lubomir@585	791	int indx = readUByte(byteCodes, ++i);
jaroslav@151	792	String v = encodeConstant(indx);
lubomir@307	793	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	794	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	795	break;
jaroslav@20	796	}
jaroslav@151	797	case opc_ldc_w:
jaroslav@151	798	case opc_ldc2_w: {
jaroslav@864	799	int indx = readUShortArg(byteCodes, i);
jaroslav@8	800	i += 2;
jaroslav@151	801	String v = encodeConstant(indx);
lubomir@307	802	int type = VarType.fromConstantType(jc.getTag(indx));
Martin@582	803	if (type == VarType.LONG) {
Martin@582	804	final Long lv = new Long(v);
Martin@582	805	final int low = (int)(lv.longValue() & 0xFFFFFFFF);
Martin@582	806	final int hi = (int)(lv.longValue() >> 32);
Martin@594	807	emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
Martin@582	808	Integer.toHexString(low), Integer.toHexString(hi));
Martin@582	809	} else {
Martin@582	810	emit(out, "var @1 = @2;", smapper.pushT(type), v);
Martin@582	811	}
jaroslav@8	812	break;
jaroslav@8	813	}
jaroslav@151	814	case opc_lcmp:
Martin@582	815	emit(out, "var @3 = @2.compare64(@1);",
lubomir@307	816	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	817	break;
jaroslav@151	818	case opc_fcmpl:
jaroslav@151	819	case opc_fcmpg:
lubomir@474	820	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	821	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	822	break;
jaroslav@151	823	case opc_dcmpl:
lubomir@281	824	case opc_dcmpg:
lubomir@474	825	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	826	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	827	break;
jaroslav@151	828	case opc_if_acmpeq:
lubomir@307	829	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	830	"===", topMostLabel);
jaroslav@104	831	break;
jaroslav@151	832	case opc_if_acmpne:
lubomir@307	833	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	834	"!==", topMostLabel);
jaroslav@104	835	break;
lubomir@283	836	case opc_if_icmpeq:
lubomir@307	837	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	838	"==", topMostLabel);
jaroslav@4	839	break;
jaroslav@151	840	case opc_ifeq: {
jaroslav@864	841	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	842	emitIf(out, "if (@1 == 0) ",
jaroslav@843	843	smapper.popI(), i, indx, topMostLabel);
jaroslav@7	844	i += 2;
jaroslav@7	845	break;
jaroslav@7	846	}
jaroslav@151	847	case opc_ifne: {
jaroslav@864	848	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	849	emitIf(out, "if (@1 != 0) ",
jaroslav@843	850	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	851	i += 2;
jaroslav@20	852	break;
jaroslav@20	853	}
jaroslav@151	854	case opc_iflt: {
jaroslav@864	855	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	856	emitIf(out, "if (@1 < 0) ",
jaroslav@843	857	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	858	i += 2;
jaroslav@20	859	break;
jaroslav@20	860	}
jaroslav@151	861	case opc_ifle: {
jaroslav@864	862	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	863	emitIf(out, "if (@1 <= 0) ",
jaroslav@843	864	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	865	i += 2;
jaroslav@20	866	break;
jaroslav@20	867	}
jaroslav@151	868	case opc_ifgt: {
jaroslav@864	869	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	870	emitIf(out, "if (@1 > 0) ",
jaroslav@843	871	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	872	i += 2;
jaroslav@20	873	break;
jaroslav@20	874	}
jaroslav@151	875	case opc_ifge: {
jaroslav@864	876	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	877	emitIf(out, "if (@1 >= 0) ",
jaroslav@843	878	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	879	i += 2;
jaroslav@20	880	break;
jaroslav@20	881	}
jaroslav@151	882	case opc_ifnonnull: {
jaroslav@864	883	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	884	emitIf(out, "if (@1 !== null) ",
jaroslav@843	885	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	886	i += 2;
jaroslav@16	887	break;
jaroslav@16	888	}
jaroslav@151	889	case opc_ifnull: {
jaroslav@864	890	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	891	emitIf(out, "if (@1 === null) ",
jaroslav@843	892	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	893	i += 2;
jaroslav@16	894	break;
jaroslav@16	895	}
jaroslav@151	896	case opc_if_icmpne:
lubomir@307	897	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	898	"!=", topMostLabel);
jaroslav@4	899	break;
jaroslav@151	900	case opc_if_icmplt:
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_icmple:
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_icmpgt:
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_icmpge:
lubomir@307	913	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	914	">=", topMostLabel);
jaroslav@4	915	break;
jaroslav@151	916	case opc_goto: {
jaroslav@864	917	int indx = i + readShortArg(byteCodes, i);
jaroslav@843	918	goTo(out, i, indx, topMostLabel);
jaroslav@5	919	i += 2;
jaroslav@5	920	break;
jaroslav@5	921	}
jaroslav@151	922	case opc_lookupswitch: {
jaroslav@843	923	i = generateLookupSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	924	break;
jaroslav@115	925	}
jaroslav@151	926	case opc_tableswitch: {
jaroslav@843	927	i = generateTableSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	928	break;
jaroslav@115	929	}
jaroslav@151	930	case opc_invokeinterface: {
lubomir@307	931	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	932	break;
jaroslav@46	933	}
jaroslav@151	934	case opc_invokevirtual:
lubomir@307	935	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	936	break;
jaroslav@151	937	case opc_invokespecial:
lubomir@307	938	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	939	break;
jaroslav@151	940	case opc_invokestatic:
lubomir@307	941	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	942	break;
jaroslav@151	943	case opc_new: {
jaroslav@864	944	int indx = readUShortArg(byteCodes, i);
jaroslav@151	945	String ci = jc.getClassName(indx);
lubomir@474	946	emit(out, "var @1 = new @2;",
lubomir@317	947	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	948	addReference(ci);
jaroslav@8	949	i += 2;
jaroslav@8	950	break;
jaroslav@8	951	}
lubomir@283	952	case opc_newarray:
lubomir@585	953	int atype = readUByte(byteCodes, ++i);
jaroslav@842	954	generateNewArray(atype, smapper);
jaroslav@21	955	break;
jaroslav@448	956	case opc_anewarray: {
jaroslav@864	957	int type = readUShortArg(byteCodes, i);
jaroslav@448	958	i += 2;
jaroslav@842	959	generateANewArray(type, smapper);
jaroslav@21	960	break;
jaroslav@448	961	}
jaroslav@151	962	case opc_multianewarray: {
jaroslav@864	963	int type = readUShortArg(byteCodes, i);
jtulach@128	964	i += 2;
jaroslav@842	965	i = generateMultiANewArray(type, byteCodes, i, smapper);
jtulach@128	966	break;
jtulach@128	967	}
jaroslav@151	968	case opc_arraylength:
lubomir@474	969	emit(out, "var @2 = @1.length;",
lubomir@474	970	smapper.popA(), smapper.pushI());
jaroslav@272	971	break;
lubomir@283	972	case opc_lastore:
jaroslav@459	973	emit(out, "@3.at(@2, @1);",
lubomir@307	974	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	975	break;
lubomir@283	976	case opc_fastore:
jaroslav@459	977	emit(out, "@3.at(@2, @1);",
lubomir@307	978	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	979	break;
lubomir@283	980	case opc_dastore:
jaroslav@459	981	emit(out, "@3.at(@2, @1);",
lubomir@307	982	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	983	break;
lubomir@283	984	case opc_aastore:
jaroslav@459	985	emit(out, "@3.at(@2, @1);",
lubomir@307	986	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	987	break;
jaroslav@151	988	case opc_iastore:
jaroslav@151	989	case opc_bastore:
jaroslav@151	990	case opc_castore:
lubomir@283	991	case opc_sastore:
jaroslav@459	992	emit(out, "@3.at(@2, @1);",
lubomir@307	993	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	994	break;
lubomir@283	995	case opc_laload:
lubomir@474	996	emit(out, "var @3 = @2.at(@1);",
lubomir@307	997	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	998	break;
lubomir@283	999	case opc_faload:
lubomir@474	1000	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1001	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1002	break;
lubomir@283	1003	case opc_daload:
lubomir@474	1004	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1005	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1006	break;
lubomir@283	1007	case opc_aaload:
lubomir@474	1008	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1009	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1010	break;
jaroslav@272	1011	case opc_iaload:
jaroslav@272	1012	case opc_baload:
jaroslav@272	1013	case opc_caload:
lubomir@283	1014	case opc_saload:
lubomir@474	1015	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1016	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1017	break;
lubomir@221	1018	case opc_pop:
jaroslav@272	1019	case opc_pop2:
lubomir@307	1020	smapper.pop(1);
jaroslav@399	1021	debug("/* pop */");
jaroslav@272	1022	break;
lubomir@281	1023	case opc_dup: {
lubomir@307	1024	final Variable v = smapper.get(0);
lubomir@474	1025	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1026	break;
jaroslav@21	1027	}
lubomir@281	1028	case opc_dup2: {
lubomir@585	1029	final Variable vi1 = smapper.get(0);
lubomir@585	1030
lubomir@585	1031	if (vi1.isCategory2()) {
lubomir@474	1032	emit(out, "var @1 = @2;",
lubomir@585	1033	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1034	} else {
lubomir@585	1035	final Variable vi2 = smapper.get(1);
lubomir@474	1036	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1037	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1038	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1039	}
jaroslav@21	1040	break;
jaroslav@21	1041	}
lubomir@281	1042	case opc_dup_x1: {
lubomir@307	1043	final Variable vi1 = smapper.pop();
lubomir@307	1044	final Variable vi2 = smapper.pop();
lubomir@307	1045	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1046	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1047	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1048
lubomir@474	1049	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1050	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1051	break;
lubomir@281	1052	}
lubomir@585	1053	case opc_dup2_x1: {
lubomir@585	1054	final Variable vi1 = smapper.pop();
lubomir@585	1055	final Variable vi2 = smapper.pop();
lubomir@585	1056
lubomir@585	1057	if (vi1.isCategory2()) {
lubomir@307	1058	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1059	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1060	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1061
lubomir@474	1062	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1063	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1064	} else {
lubomir@585	1065	final Variable vi3 = smapper.pop();
lubomir@585	1066	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1067	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1068	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1069	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1070	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1071
lubomir@585	1072	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1073	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1074	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1075	vo4, vo1, vo5, vo2);
lubomir@585	1076	}
lubomir@585	1077	break;
lubomir@585	1078	}
lubomir@585	1079	case opc_dup_x2: {
lubomir@585	1080	final Variable vi1 = smapper.pop();
lubomir@585	1081	final Variable vi2 = smapper.pop();
lubomir@585	1082
lubomir@585	1083	if (vi2.isCategory2()) {
lubomir@585	1084	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1085	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1086	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1087
lubomir@585	1088	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1089	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1090	} else {
lubomir@307	1091	final Variable vi3 = smapper.pop();
lubomir@307	1092	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1093	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1094	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1095	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1096
lubomir@474	1097	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1098	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1099	}
jaroslav@8	1100	break;
lubomir@281	1101	}
lubomir@585	1102	case opc_dup2_x2: {
lubomir@585	1103	final Variable vi1 = smapper.pop();
lubomir@585	1104	final Variable vi2 = smapper.pop();
lubomir@585	1105
lubomir@585	1106	if (vi1.isCategory2()) {
lubomir@585	1107	if (vi2.isCategory2()) {
lubomir@585	1108	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1109	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1110	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1111
lubomir@585	1112	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1113	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1114	} else {
lubomir@585	1115	final Variable vi3 = smapper.pop();
lubomir@585	1116	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1117	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1118	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1119	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1120
lubomir@585	1121	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1122	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1123	}
lubomir@585	1124	} else {
lubomir@585	1125	final Variable vi3 = smapper.pop();
lubomir@585	1126
lubomir@585	1127	if (vi3.isCategory2()) {
lubomir@585	1128	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1129	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1130	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1131	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1132	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1133
lubomir@585	1134	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1135	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1136	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1137	vo4, vo1, vo5, vo2);
lubomir@585	1138	} else {
lubomir@585	1139	final Variable vi4 = smapper.pop();
lubomir@585	1140	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1141	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1142	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1143	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1144	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1145	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1146
lubomir@585	1147	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1148	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1149	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1150	vo5, vo1, vo6, vo2);
lubomir@585	1151	}
lubomir@585	1152	}
lubomir@585	1153	break;
lubomir@585	1154	}
lubomir@585	1155	case opc_swap: {
lubomir@585	1156	final Variable vi1 = smapper.get(0);
lubomir@585	1157	final Variable vi2 = smapper.get(1);
lubomir@585	1158
lubomir@585	1159	if (vi1.getType() == vi2.getType()) {
lubomir@585	1160	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1161
lubomir@585	1162	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1163	tmp, vi1, vi2);
lubomir@585	1164	smapper.pop(1);
lubomir@585	1165	} else {
lubomir@585	1166	smapper.pop(2);
lubomir@585	1167	smapper.pushT(vi1.getType());
lubomir@585	1168	smapper.pushT(vi2.getType());
lubomir@585	1169	}
lubomir@585	1170	break;
lubomir@585	1171	}
jaroslav@151	1172	case opc_bipush:
lubomir@474	1173	emit(out, "var @1 = @2;",
lubomir@307	1174	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1175	break;
jaroslav@151	1176	case opc_sipush:
lubomir@474	1177	emit(out, "var @1 = @2;",
lubomir@307	1178	smapper.pushI(),
jaroslav@864	1179	Integer.toString(readShortArg(byteCodes, i)));
jaroslav@31	1180	i += 2;
jaroslav@31	1181	break;
jaroslav@151	1182	case opc_getfield: {
jaroslav@864	1183	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1184	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1185	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1186	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1187	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1188	emit(out, "var @2 = @4(false)._@3.call(@1);",
jaroslav@592	1189	smapper.popA(),
jaroslav@592	1190	smapper.pushT(type), fi[1], mangleClassAccess
jaroslav@592	1191	);
jaroslav@592	1192	i += 2;
jaroslav@592	1193	break;
jaroslav@592	1194	}
jaroslav@592	1195	case opc_putfield: {
jaroslav@864	1196	int indx = readUShortArg(byteCodes, i);
jaroslav@592	1197	String[] fi = jc.getFieldInfoName(indx);
jaroslav@592	1198	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1199	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1200	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1201	emit(out, "@4(false)._@3.call(@2, @1);",
jaroslav@592	1202	smapper.popT(type),
jaroslav@592	1203	smapper.popA(), fi[1],
jaroslav@592	1204	mangleClassAccess
jaroslav@592	1205	);
jaroslav@8	1206	i += 2;
jaroslav@8	1207	break;
jaroslav@8	1208	}
jaroslav@151	1209	case opc_getstatic: {
jaroslav@864	1210	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1211	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1212	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1213	emit(out, "var @1 = @2(false)._@3();",
lubomir@317	1214	smapper.pushT(type),
lubomir@317	1215	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1216	i += 2;
jaroslav@151	1217	addReference(fi[0]);
jaroslav@9	1218	break;
jaroslav@9	1219	}
lubomir@281	1220	case opc_putstatic: {
jaroslav@864	1221	int indx = readUShortArg(byteCodes, i);
lubomir@281	1222	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1223	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1224	emit(out, "@1(false)._@2(@3);",
lubomir@317	1225	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1226	smapper.popT(type));
lubomir@281	1227	i += 2;
lubomir@281	1228	addReference(fi[0]);
lubomir@281	1229	break;
lubomir@281	1230	}
jaroslav@151	1231	case opc_checkcast: {
jaroslav@864	1232	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1233	generateCheckcast(indx, smapper);
jaroslav@30	1234	i += 2;
jaroslav@30	1235	break;
jaroslav@30	1236	}
jaroslav@151	1237	case opc_instanceof: {
jaroslav@864	1238	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1239	generateInstanceOf(indx, smapper);
jaroslav@17	1240	i += 2;
jaroslav@30	1241	break;
jaroslav@17	1242	}
jaroslav@151	1243	case opc_athrow: {
lubomir@307	1244	final Variable v = smapper.popA();
lubomir@307	1245	smapper.clear();
lubomir@281	1246
lubomir@474	1247	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1248	smapper.pushA(), v);
jaroslav@104	1249	break;
jaroslav@104	1250	}
lubomir@221	1251
lubomir@221	1252	case opc_monitorenter: {
lubomir@221	1253	out.append("/* monitor enter */");
lubomir@307	1254	smapper.popA();
lubomir@221	1255	break;
lubomir@221	1256	}
lubomir@221	1257
lubomir@221	1258	case opc_monitorexit: {
lubomir@221	1259	out.append("/* monitor exit */");
lubomir@307	1260	smapper.popA();
lubomir@221	1261	break;
lubomir@221	1262	}
lubomir@221	1263
lubomir@585	1264	case opc_wide:
lubomir@585	1265	wide = true;
lubomir@585	1266	break;
lubomir@585	1267
jaroslav@104	1268	default: {
lubomir@585	1269	wide = false;
lubomir@283	1270	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1271	Integer.toString(c));
jaroslav@104	1272	}
jaroslav@0	1273	}
jaroslav@399	1274	if (debug(" //")) {
jaroslav@842	1275	generateByteCodeComment(prev, i, byteCodes);
jaroslav@0	1276	}
tzezula@285	1277	out.append("\n");
jaroslav@0	1278	}
jaroslav@398	1279	if (previousTrap != null) {
jaroslav@843	1280	generateCatch(previousTrap, byteCodes.length, topMostLabel);
jaroslav@398	1281	}
jaroslav@839	1282	out.append("\n }\n");
jaroslav@839	1283	while (openBraces-- > 0) {
jaroslav@839	1284	out.append('}');
jaroslav@839	1285	}
jaroslav@839	1286	out.append("\n};");
jaroslav@4	1287	}
jaroslav@4	1288
jaroslav@843	1289	private int generateIf(byte[] byteCodes, int i, final Variable v2, final Variable v1, final String test, int topMostLabel) throws IOException {
jaroslav@864	1290	int indx = i + readShortArg(byteCodes, i);
lubomir@281	1291	out.append("if (").append(v1)
lubomir@221	1292	.append(' ').append(test).append(' ')
jaroslav@839	1293	.append(v2).append(") ");
jaroslav@843	1294	goTo(out, i, indx, topMostLabel);
jaroslav@4	1295	return i + 2;
jaroslav@4	1296	}
jaroslav@839	1297
lubomir@697	1298	private int readInt4(byte[] byteCodes, int offset) {
lubomir@697	1299	final int d = byteCodes[offset + 0] << 24;
lubomir@697	1300	final int c = byteCodes[offset + 1] << 16;
lubomir@697	1301	final int b = byteCodes[offset + 2] << 8;
lubomir@697	1302	final int a = byteCodes[offset + 3];
jaroslav@115	1303	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1304	}
jaroslav@864	1305	private static int readUByte(byte[] byteCodes, int offset) {
lubomir@697	1306	return byteCodes[offset] & 0xff;
jtulach@128	1307	}
lubomir@585	1308
jaroslav@864	1309	private static int readUShort(byte[] byteCodes, int offset) {
lubomir@697	1310	return ((byteCodes[offset] & 0xff) << 8)
lubomir@697	1311	\| (byteCodes[offset + 1] & 0xff);
lubomir@697	1312	}
jaroslav@864	1313	private static int readUShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1314	return readUShort(byteCodes, offsetInstruction + 1);
jaroslav@864	1315	}
lubomir@697	1316
jaroslav@864	1317	private static int readShort(byte[] byteCodes, int offset) {
jaroslav@864	1318	int signed = byteCodes[offset];
jaroslav@864	1319	byte b0 = (byte)signed;
jaroslav@864	1320	return (b0 << 8) \| (byteCodes[offset + 1] & 0xff);
jaroslav@864	1321	}
jaroslav@864	1322	private static int readShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1323	return readShort(byteCodes, offsetInstruction + 1);
lubomir@585	1324	}
lubomir@585	1325
lubomir@281	1326	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1327	int i = 0;
jaroslav@4	1328	Boolean count = null;
jaroslav@32	1329	boolean array = false;
jaroslav@248	1330	sig.append("__");
jaroslav@10	1331	int firstPos = sig.length();
jaroslav@4	1332	while (i < descriptor.length()) {
jaroslav@4	1333	char ch = descriptor.charAt(i++);
jaroslav@4	1334	switch (ch) {
jaroslav@4	1335	case '(':
jaroslav@4	1336	count = true;
jaroslav@4	1337	continue;
jaroslav@4	1338	case ')':
jaroslav@4	1339	count = false;
jaroslav@4	1340	continue;
jaroslav@4	1341	case 'B':
jaroslav@4	1342	case 'C':
jaroslav@4	1343	case 'D':
jaroslav@4	1344	case 'F':
jaroslav@4	1345	case 'I':
jaroslav@4	1346	case 'J':
jaroslav@4	1347	case 'S':
jaroslav@4	1348	case 'Z':
jaroslav@4	1349	if (count) {
jaroslav@32	1350	if (array) {
jaroslav@248	1351	sig.append("_3");
jaroslav@32	1352	}
jaroslav@4	1353	sig.append(ch);
jtulach@156	1354	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1355	cnt.append('1');
jtulach@156	1356	} else {
jtulach@156	1357	cnt.append('0');
jtulach@156	1358	}
jaroslav@4	1359	} else {
jaroslav@10	1360	sig.insert(firstPos, ch);
jaroslav@32	1361	if (array) {
lubomir@281	1362	returnType[0] = '[';
jaroslav@248	1363	sig.insert(firstPos, "_3");
lubomir@281	1364	} else {
lubomir@281	1365	returnType[0] = ch;
jaroslav@32	1366	}
jaroslav@4	1367	}
jaroslav@93	1368	array = false;
jaroslav@4	1369	continue;
jaroslav@4	1370	case 'V':
jaroslav@4	1371	assert !count;
lubomir@281	1372	returnType[0] = 'V';
jaroslav@10	1373	sig.insert(firstPos, 'V');
jaroslav@4	1374	continue;
jaroslav@4	1375	case 'L':
jaroslav@16	1376	int next = descriptor.indexOf(';', i);
jaroslav@248	1377	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1378	if (count) {
jaroslav@32	1379	if (array) {
jaroslav@248	1380	sig.append("_3");
jaroslav@32	1381	}
jaroslav@248	1382	sig.append(realSig);
jtulach@156	1383	cnt.append('0');
jaroslav@4	1384	} else {
jaroslav@248	1385	sig.insert(firstPos, realSig);
jaroslav@32	1386	if (array) {
jaroslav@248	1387	sig.insert(firstPos, "_3");
jaroslav@32	1388	}
lubomir@281	1389	returnType[0] = 'L';
jaroslav@4	1390	}
jaroslav@16	1391	i = next + 1;
lubomir@407	1392	array = false;
jaroslav@4	1393	continue;
jaroslav@4	1394	case '[':
jaroslav@248	1395	array = true;
jaroslav@4	1396	continue;
jaroslav@4	1397	default:
jaroslav@248	1398	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1399	}
jaroslav@4	1400	}
jaroslav@0	1401	}
jaroslav@248	1402
jaroslav@592	1403	static String mangleSig(String sig) {
jaroslav@592	1404	return mangleSig(sig, 0, sig.length());
jaroslav@592	1405	}
jaroslav@592	1406
jaroslav@248	1407	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1408	StringBuilder sb = new StringBuilder();
jaroslav@248	1409	for (int i = first; i < last; i++) {
jaroslav@248	1410	final char ch = txt.charAt(i);
jaroslav@248	1411	switch (ch) {
jaroslav@248	1412	case '/': sb.append('_'); break;
jaroslav@248	1413	case '_': sb.append("_1"); break;
jaroslav@248	1414	case ';': sb.append("_2"); break;
jaroslav@248	1415	case '[': sb.append("_3"); break;
jaroslav@248	1416	default: sb.append(ch); break;
jaroslav@248	1417	}
jaroslav@248	1418	}
jaroslav@248	1419	return sb.toString();
jaroslav@248	1420	}
jaroslav@9	1421
jaroslav@248	1422	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1423	StringBuilder name = new StringBuilder();
jaroslav@10	1424	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1425	name.append("cons"); // NOI18N
jaroslav@19	1426	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1427	name.append("class"); // NOI18N
jaroslav@10	1428	} else {
jaroslav@42	1429	name.append(m.getName());
jaroslav@10	1430	}
jaroslav@42	1431
lubomir@282	1432	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1433	return name.toString();
jaroslav@10	1434	}
jaroslav@10	1435
lubomir@282	1436	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1437	StringBuilder name = new StringBuilder();
jaroslav@151	1438	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1439	String nm= mi[1];
jaroslav@151	1440	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1441	name.append("cons"); // NOI18N
jaroslav@10	1442	} else {
jaroslav@151	1443	name.append(nm);
jaroslav@10	1444	}
lubomir@282	1445	countArgs(descr, returnType, name, cnt);
jaroslav@10	1446	return name.toString();
jaroslav@10	1447	}
jaroslav@10	1448
lubomir@307	1449	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1450	throws IOException {
jaroslav@864	1451	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1452	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1453	char[] returnType = { 'V' };
jtulach@156	1454	StringBuilder cnt = new StringBuilder();
lubomir@281	1455	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1456
lubomir@221	1457	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1458	final Variable[] vars = new Variable[numArguments];
lubomir@221	1459
lubomir@281	1460	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1461	vars[j] = mapper.pop();
jaroslav@11	1462	}
lubomir@281	1463
lubomir@281	1464	if (returnType[0] != 'V') {
lubomir@474	1465	out.append("var ")
lubomir@474	1466	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1467	.append(" = ");
jaroslav@10	1468	}
lubomir@221	1469
jaroslav@151	1470	final String in = mi[0];
jaroslav@274	1471	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1472	out.append("(false).");
jaroslav@397	1473	if (mn.startsWith("cons_")) {
jaroslav@397	1474	out.append("constructor.");
jaroslav@397	1475	}
jaroslav@10	1476	out.append(mn);
jaroslav@442	1477	if (isStatic) {
jaroslav@442	1478	out.append('(');
jaroslav@442	1479	} else {
jaroslav@442	1480	out.append(".call(");
jaroslav@442	1481	}
lubomir@221	1482	if (numArguments > 0) {
lubomir@281	1483	out.append(vars[0]);
lubomir@281	1484	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1485	out.append(", ");
lubomir@281	1486	out.append(vars[j]);
lubomir@221	1487	}
jaroslav@10	1488	}
lubomir@221	1489	out.append(");");
jaroslav@10	1490	i += 2;
jaroslav@18	1491	addReference(in);
jaroslav@10	1492	return i;
jaroslav@10	1493	}
lubomir@307	1494	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1495	throws IOException {
jaroslav@864	1496	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1497	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1498	char[] returnType = { 'V' };
jtulach@156	1499	StringBuilder cnt = new StringBuilder();
lubomir@281	1500	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1501
lubomir@281	1502	final int numArguments = cnt.length() + 1;
lubomir@281	1503	final Variable[] vars = new Variable[numArguments];
lubomir@221	1504
lubomir@281	1505	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1506	vars[j] = mapper.pop();
jaroslav@12	1507	}
lubomir@221	1508
lubomir@281	1509	if (returnType[0] != 'V') {
lubomir@474	1510	out.append("var ")
lubomir@474	1511	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1512	.append(" = ");
jaroslav@12	1513	}
lubomir@281	1514
lubomir@281	1515	out.append(vars[0]).append('.');
jaroslav@12	1516	out.append(mn);
jaroslav@12	1517	out.append('(');
jaroslav@442	1518	String sep = "";
lubomir@281	1519	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1520	out.append(sep);
lubomir@281	1521	out.append(vars[j]);
jaroslav@442	1522	sep = ", ";
jaroslav@12	1523	}
lubomir@221	1524	out.append(");");
jaroslav@12	1525	i += 2;
jaroslav@12	1526	return i;
jaroslav@12	1527	}
lubomir@221	1528
jaroslav@103	1529	private void addReference(String cn) throws IOException {
jtulach@162	1530	if (requireReference(cn)) {
jaroslav@399	1531	debug(" /* needs " + cn + " */");
jaroslav@18	1532	}
jaroslav@18	1533	}
jaroslav@16	1534
jaroslav@33	1535	private void outType(String d, StringBuilder out) {
jaroslav@33	1536	int arr = 0;
jaroslav@33	1537	while (d.charAt(0) == '[') {
jaroslav@33	1538	out.append('A');
jaroslav@33	1539	d = d.substring(1);
jaroslav@33	1540	}
jaroslav@16	1541	if (d.charAt(0) == 'L') {
jaroslav@16	1542	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1543	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1544	} else {
jaroslav@16	1545	out.append(d);
jaroslav@16	1546	}
jaroslav@16	1547	}
jaroslav@21	1548
jaroslav@230	1549	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1550	String[] classRef = { null };
jaroslav@230	1551	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1552	if (classRef[0] != null) {
jaroslav@567	1553	if (classRef[0].startsWith("[")) {
jaroslav@567	1554	s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
jaroslav@567	1555	} else {
jaroslav@567	1556	addReference(classRef[0]);
jaroslav@567	1557	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@567	1558	}
jaroslav@230	1559	}
jaroslav@151	1560	return s;
jaroslav@21	1561	}
jaroslav@32	1562
lubomir@869	1563	private String javaScriptBody(String destObject, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1564	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1565	if (arr == null) {
jaroslav@266	1566	return null;
jaroslav@152	1567	}
jaroslav@200	1568	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1569	class P extends AnnotationParser {
jaroslav@237	1570	public P() {
jaroslav@652	1571	super(false, true);
jaroslav@237	1572	}
jaroslav@237	1573
jaroslav@152	1574	int cnt;
jaroslav@152	1575	String[] args = new String[30];
jaroslav@152	1576	String body;
jaroslav@94	1577
jaroslav@152	1578	@Override
jaroslav@236	1579	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1580	if (type.equals(jvmType)) {
jaroslav@152	1581	if ("body".equals(attr)) {
jaroslav@152	1582	body = value;
jaroslav@152	1583	} else if ("args".equals(attr)) {
jaroslav@152	1584	args[cnt++] = value;
jaroslav@152	1585	} else {
jaroslav@152	1586	throw new IllegalArgumentException(attr);
jaroslav@152	1587	}
jaroslav@152	1588	}
jaroslav@94	1589	}
jaroslav@94	1590	}
jaroslav@152	1591	P p = new P();
jaroslav@152	1592	p.parse(arr, jc);
jaroslav@152	1593	if (p.body == null) {
jaroslav@266	1594	return null;
jaroslav@152	1595	}
jtulach@156	1596	StringBuilder cnt = new StringBuilder();
jaroslav@266	1597	final String mn = findMethodName(m, cnt);
lubomir@869	1598	out.append(destObject).append(".").append(mn);
jaroslav@203	1599	out.append(" = function(");
jaroslav@442	1600	String space = "";
jaroslav@443	1601	int index = 0;
jtulach@156	1602	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1603	out.append(space);
jaroslav@316	1604	space = outputArg(out, p.args, index);
jaroslav@152	1605	index++;
jaroslav@152	1606	}
jaroslav@152	1607	out.append(") {").append("\n");
jaroslav@152	1608	out.append(p.body);
jaroslav@152	1609	out.append("\n}\n");
jaroslav@266	1610	return mn;
jaroslav@151	1611	}
jaroslav@151	1612	private static String className(ClassData jc) {
jaroslav@151	1613	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1614	return jc.getClassName().replace('/', '_');
jaroslav@94	1615	}
jaroslav@152	1616
jaroslav@152	1617	private static String[] findAnnotation(
jaroslav@152	1618	byte[] arr, ClassData cd, final String className,
jaroslav@152	1619	final String... attrNames
jaroslav@152	1620	) throws IOException {
jaroslav@152	1621	if (arr == null) {
jaroslav@152	1622	return null;
jaroslav@152	1623	}
jaroslav@152	1624	final String[] values = new String[attrNames.length];
jaroslav@152	1625	final boolean[] found = { false };
jaroslav@152	1626	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@652	1627	AnnotationParser ap = new AnnotationParser(false, true) {
jaroslav@152	1628	@Override
jaroslav@236	1629	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1630	if (type.equals(jvmType)) {
jaroslav@152	1631	found[0] = true;
jaroslav@152	1632	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1633	if (attrNames[i].equals(attr)) {
jaroslav@152	1634	values[i] = value;
jaroslav@152	1635	}
jaroslav@152	1636	}
jaroslav@152	1637	}
jaroslav@152	1638	}
jaroslav@152	1639
jaroslav@152	1640	};
jaroslav@152	1641	ap.parse(arr, cd);
jaroslav@152	1642	return found[0] ? values : null;
jaroslav@152	1643	}
jaroslav@173	1644
jaroslav@173	1645	private CharSequence initField(FieldData v) {
jaroslav@173	1646	final String is = v.getInternalSig();
jaroslav@173	1647	if (is.length() == 1) {
jaroslav@173	1648	switch (is.charAt(0)) {
jaroslav@173	1649	case 'S':
jaroslav@173	1650	case 'J':
jaroslav@173	1651	case 'B':
jaroslav@173	1652	case 'Z':
jaroslav@173	1653	case 'C':
jaroslav@173	1654	case 'I': return " = 0;";
jaroslav@173	1655	case 'F':
jaroslav@180	1656	case 'D': return " = 0.0;";
jaroslav@173	1657	default:
jaroslav@173	1658	throw new IllegalStateException(is);
jaroslav@173	1659	}
jaroslav@173	1660	}
jaroslav@173	1661	return " = null;";
jaroslav@173	1662	}
jaroslav@235	1663
jaroslav@655	1664	private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@652	1665	AnnotationParser ap = new AnnotationParser(true, false) {
jaroslav@652	1666	int[] cnt = new int[32];
jaroslav@652	1667	int depth;
jaroslav@235	1668
jaroslav@235	1669	@Override
jaroslav@659	1670	protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
jaroslav@659	1671	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@659	1672	requireReference(slashType);
jaroslav@659	1673
jaroslav@652	1674	if (cnt[depth]++ > 0) {
jaroslav@237	1675	out.append(",");
jaroslav@237	1676	}
jaroslav@659	1677	if (top) {
jaroslav@659	1678	out.append('"').append(attrType).append("\" : ");
jaroslav@659	1679	}
jaroslav@659	1680	out.append("{\n");
jaroslav@652	1681	cnt[++depth] = 0;
jaroslav@235	1682	}
jaroslav@235	1683
jaroslav@235	1684	@Override
jaroslav@659	1685	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@235	1686	out.append("\n}\n");
jaroslav@652	1687	depth--;
jaroslav@652	1688	}
jaroslav@652	1689
jaroslav@652	1690	@Override
jaroslav@652	1691	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@652	1692	if (cnt[depth]++ > 0) {
jaroslav@652	1693	out.append(",\n");
jaroslav@652	1694	}
jaroslav@652	1695	cnt[++depth] = 0;
jaroslav@652	1696	if (attrName != null) {
jaroslav@652	1697	out.append(attrName).append(" : ");
jaroslav@652	1698	}
jaroslav@652	1699	if (type == '[') {
jaroslav@652	1700	out.append("[");
jaroslav@652	1701	}
jaroslav@652	1702	}
jaroslav@652	1703
jaroslav@652	1704	@Override
jaroslav@652	1705	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@652	1706	if (type == '[') {
jaroslav@652	1707	out.append("]");
jaroslav@652	1708	}
jaroslav@652	1709	depth--;
jaroslav@235	1710	}
jaroslav@235	1711
jaroslav@235	1712	@Override
jaroslav@236	1713	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1714	throws IOException {
jaroslav@652	1715	if (attr == null && value == null) {
jaroslav@266	1716	return;
jaroslav@266	1717	}
jaroslav@652	1718	out.append(value);
jaroslav@592	1719	}
jaroslav@655	1720
jaroslav@655	1721	@Override
jaroslav@655	1722	protected void visitEnumAttr(String type, String attr, String attrType, String value)
jaroslav@655	1723	throws IOException {
jaroslav@655	1724	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@655	1725	requireReference(slashType);
jaroslav@655	1726
jaroslav@655	1727	out.append(accessClass(slashType.replace('/', '_')))
jaroslav@655	1728	.append("(false).constructor.").append(value);
jaroslav@235	1729	}
jaroslav@235	1730	};
jaroslav@235	1731	ap.parse(data, cd);
jaroslav@235	1732	}
jaroslav@316	1733
jaroslav@316	1734	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1735	final String name = args[indx];
jaroslav@316	1736	if (name == null) {
jaroslav@316	1737	return "";
jaroslav@316	1738	}
jaroslav@316	1739	if (name.contains(",")) {
jaroslav@316	1740	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1741	}
jaroslav@316	1742	out.append(name);
jaroslav@316	1743	return ",";
jaroslav@316	1744	}
lubomir@317	1745
lubomir@283	1746	private static void emit(final Appendable out,
lubomir@283	1747	final String format,
lubomir@283	1748	final CharSequence... params) throws IOException {
lubomir@283	1749	final int length = format.length();
lubomir@283	1750
lubomir@283	1751	int processed = 0;
lubomir@283	1752	int paramOffset = format.indexOf('@');
lubomir@283	1753	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1754	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1755	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1756	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1757
lubomir@283	1758	out.append(format, processed, paramOffset);
lubomir@283	1759	out.append(params[paramIndex]);
lubomir@283	1760
lubomir@283	1761	++paramOffset;
lubomir@283	1762	processed = paramOffset + 1;
lubomir@283	1763	}
lubomir@283	1764
lubomir@283	1765	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1766	}
lubomir@283	1767
lubomir@283	1768	out.append(format, processed, length);
lubomir@283	1769	}
jaroslav@398	1770
jaroslav@843	1771	private void generateCatch(TrapData[] traps, int current, int topMostLabel) throws IOException {
jaroslav@400	1772	out.append("} catch (e) {\n");
jaroslav@401	1773	int finallyPC = -1;
jaroslav@398	1774	for (TrapData e : traps) {
jaroslav@398	1775	if (e == null) {
jaroslav@398	1776	break;
jaroslav@398	1777	}
jaroslav@398	1778	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1779	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1780	addReference(classInternalName);
jaroslav@423	1781	if ("java/lang/Throwable".equals(classInternalName)) {
lubomir@1082	1782	out.append("if (e['$instOf_java_lang_Throwable']) {");
lubomir@474	1783	out.append(" var stA0 = e;");
jaroslav@423	1784	out.append("} else {");
lubomir@474	1785	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1786	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1787	out.append("}");
jaroslav@843	1788	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1789	} else {
lubomir@1082	1790	out.append("if (e['$instOf_" + classInternalName.replace('/', '_') + "']) {");
jaroslav@839	1791	out.append("var stA0 = e;");
jaroslav@843	1792	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1793	out.append("}\n");
jaroslav@423	1794	}
jaroslav@398	1795	} else {
jaroslav@401	1796	finallyPC = e.handler_pc;
jaroslav@398	1797	}
jaroslav@398	1798	}
jaroslav@401	1799	if (finallyPC == -1) {
jaroslav@401	1800	out.append("throw e;");
jaroslav@401	1801	} else {
jaroslav@839	1802	out.append("var stA0 = e;");
jaroslav@843	1803	goTo(out, current, finallyPC, topMostLabel);
jaroslav@401	1804	}
jaroslav@400	1805	out.append("\n}");
jaroslav@398	1806	}
jaroslav@839	1807
jaroslav@843	1808	private static void goTo(Appendable out, int current, int to, int canBack) throws IOException {
jaroslav@839	1809	if (to < current) {
jaroslav@843	1810	if (canBack < to) {
jaroslav@843	1811	out.append("{ gt = 0; continue X_" + to + "; }");
jaroslav@843	1812	} else {
jaroslav@843	1813	out.append("{ gt = " + to + "; continue X_0; }");
jaroslav@843	1814	}
jaroslav@839	1815	} else {
jaroslav@839	1816	out.append("{ gt = " + to + "; break IF; }");
jaroslav@839	1817	}
jaroslav@839	1818	}
jaroslav@839	1819
jaroslav@843	1820	private static void emitIf(
jaroslav@843	1821	Appendable out, String pattern, Variable param,
jaroslav@843	1822	int current, int to, int canBack
jaroslav@843	1823	) throws IOException {
jaroslav@839	1824	emit(out, pattern, param);
jaroslav@843	1825	goTo(out, current, to, canBack);
jaroslav@839	1826	}
jaroslav@842	1827
jaroslav@842	1828	private void generateNewArray(int atype, final StackMapper smapper) throws IOException, IllegalStateException {
jaroslav@842	1829	String jvmType;
jaroslav@842	1830	switch (atype) {
jaroslav@842	1831	case 4: jvmType = "[Z"; break;
jaroslav@842	1832	case 5: jvmType = "[C"; break;
jaroslav@842	1833	case 6: jvmType = "[F"; break;
jaroslav@842	1834	case 7: jvmType = "[D"; break;
jaroslav@842	1835	case 8: jvmType = "[B"; break;
jaroslav@842	1836	case 9: jvmType = "[S"; break;
jaroslav@842	1837	case 10: jvmType = "[I"; break;
jaroslav@842	1838	case 11: jvmType = "[J"; break;
jaroslav@842	1839	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@842	1840	}
jaroslav@842	1841	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@842	1842	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@842	1843	}
jaroslav@842	1844
jaroslav@842	1845	private void generateANewArray(int type, final StackMapper smapper) throws IOException {
jaroslav@842	1846	String typeName = jc.getClassName(type);
jaroslav@842	1847	if (typeName.startsWith("[")) {
jaroslav@842	1848	typeName = "[" + typeName;
jaroslav@842	1849	} else {
jaroslav@842	1850	typeName = "[L" + typeName + ";";
jaroslav@842	1851	}
jaroslav@842	1852	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@842	1853	smapper.popI(), smapper.pushA(), typeName);
jaroslav@842	1854	}
jaroslav@842	1855
jaroslav@842	1856	private int generateMultiANewArray(int type, final byte[] byteCodes, int i, final StackMapper smapper) throws IOException {
jaroslav@842	1857	String typeName = jc.getClassName(type);
jaroslav@842	1858	int dim = readUByte(byteCodes, ++i);
jaroslav@842	1859	StringBuilder dims = new StringBuilder();
jaroslav@842	1860	dims.append('[');
jaroslav@842	1861	for (int d = 0; d < dim; d++) {
jaroslav@842	1862	if (d != 0) {
jaroslav@842	1863	dims.insert(1, ",");
jaroslav@842	1864	}
jaroslav@842	1865	dims.insert(1, smapper.popI());
jaroslav@842	1866	}
jaroslav@842	1867	dims.append(']');
jaroslav@842	1868	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@842	1869	dims.toString(), smapper.pushA(), typeName);
jaroslav@842	1870	return i;
jaroslav@842	1871	}
jaroslav@842	1872
jaroslav@843	1873	private int generateTableSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1874	int table = i / 4 * 4 + 4;
jaroslav@842	1875	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1876	table += 4;
jaroslav@842	1877	int low = readInt4(byteCodes, table);
jaroslav@842	1878	table += 4;
jaroslav@842	1879	int high = readInt4(byteCodes, table);
jaroslav@842	1880	table += 4;
jaroslav@842	1881	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1882	while (low <= high) {
jaroslav@842	1883	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1884	table += 4;
jaroslav@843	1885	out.append(" case " + low).append(":"); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1886	low++;
jaroslav@842	1887	}
jaroslav@842	1888	out.append(" default: ");
jaroslav@843	1889	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1890	out.append("\n}");
jaroslav@842	1891	i = table - 1;
jaroslav@842	1892	return i;
jaroslav@842	1893	}
jaroslav@842	1894
jaroslav@843	1895	private int generateLookupSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1896	int table = i / 4 * 4 + 4;
jaroslav@842	1897	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1898	table += 4;
jaroslav@842	1899	int n = readInt4(byteCodes, table);
jaroslav@842	1900	table += 4;
jaroslav@842	1901	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1902	while (n-- > 0) {
jaroslav@842	1903	int cnstnt = readInt4(byteCodes, table);
jaroslav@842	1904	table += 4;
jaroslav@842	1905	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1906	table += 4;
jaroslav@843	1907	out.append(" case " + cnstnt).append(": "); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1908	}
jaroslav@842	1909	out.append(" default: ");
jaroslav@843	1910	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1911	out.append("\n}");
jaroslav@842	1912	i = table - 1;
jaroslav@842	1913	return i;
jaroslav@842	1914	}
jaroslav@842	1915
jaroslav@842	1916	private void generateInstanceOf(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1917	final String type = jc.getClassName(indx);
jaroslav@842	1918	if (!type.startsWith("[")) {
lubomir@1082	1919	emit(out, "var @2 = @1 != null && @1['$instOf_@3'] ? 1 : 0;",
jaroslav@842	1920	smapper.popA(), smapper.pushI(),
jaroslav@842	1921	type.replace('/', '_'));
jaroslav@842	1922	} else {
jaroslav@842	1923	emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
jaroslav@842	1924	smapper.popA(), smapper.pushI(),
jaroslav@842	1925	type
jaroslav@842	1926	);
jaroslav@842	1927	}
jaroslav@842	1928	}
jaroslav@842	1929
jaroslav@842	1930	private void generateCheckcast(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1931	final String type = jc.getClassName(indx);
jaroslav@842	1932	if (!type.startsWith("[")) {
jaroslav@842	1933	emit(out,
lubomir@1082	1934	"if (@1 !== null && !@1['$instOf_@2']) throw vm.java_lang_ClassCastException(true);",
jaroslav@842	1935	smapper.getA(0), type.replace('/', '_'));
jaroslav@842	1936	} else {
jaroslav@842	1937	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	1938	smapper.getA(0), type
jaroslav@842	1939	);
jaroslav@842	1940	}
jaroslav@842	1941	}
jaroslav@842	1942
jaroslav@842	1943	private void generateByteCodeComment(int prev, int i, final byte[] byteCodes) throws IOException {
jaroslav@842	1944	for (int j = prev; j <= i; j++) {
jaroslav@842	1945	out.append(" ");
jaroslav@842	1946	final int cc = readUByte(byteCodes, j);
jaroslav@842	1947	out.append(Integer.toString(cc));
jaroslav@842	1948	}
jaroslav@842	1949	}
jaroslav@0	1950	}

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Fri, 03 May 2013 18:15:47 +0200
branch	closure
changeset 1082	977cc6141083
parent 1029	b1fe994d4267
child 1083	9d6130cb464f
permissions	-rw-r--r--