hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@9d6130cb464f (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
lubomir@1083	66	protected void declaredField(FieldData fieldData,
lubomir@1083	67	String destObject,
lubomir@1083	68	String mangledName) throws IOException {
lubomir@1083	69	}
lubomir@1083	70
lubomir@1083	71	protected void declaredMethod(MethodData methodData,
lubomir@1083	72	String destObject,
lubomir@1083	73	String mangledName) throws IOException {
lubomir@1083	74	}
lubomir@1083	75
jaroslav@399	76	/** Prints out a debug message.
jaroslav@399	77	*
jaroslav@399	78	* @param msg the message
jaroslav@399	79	* @return true if the message has been printed
jaroslav@399	80	* @throws IOException
jaroslav@399	81	*/
jaroslav@399	82	boolean debug(String msg) throws IOException {
jaroslav@399	83	out.append(msg);
jaroslav@399	84	return true;
jaroslav@399	85	}
jaroslav@18	86
jaroslav@18	87	/**
jaroslav@18	88	* Converts a given class file to a JavaScript version.
jaroslav@18	89	*
jaroslav@0	90	* @param classFile input stream with code of the .class file
jaroslav@97	91	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	92	*
jaroslav@0	93	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	94	*/
jaroslav@18	95
jtulach@162	96	public String compile(InputStream classFile) throws IOException {
jtulach@162	97	this.jc = new ClassData(classFile);
jaroslav@324	98	if (jc.getMajor_version() < 50) {
jaroslav@324	99	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	100	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	101	);
jaroslav@324	102	}
jaroslav@152	103	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	104	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	105	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	106	"resource", "processByteCode"
jaroslav@170	107	);
jaroslav@152	108	if (arr != null) {
lubomir@848	109	if (!arr[0].isEmpty()) {
lubomir@848	110	requireScript(arr[0]);
lubomir@848	111	}
jaroslav@152	112	if ("0".equals(arr[1])) {
jaroslav@97	113	return null;
jaroslav@91	114	}
jaroslav@91	115	}
jaroslav@239	116	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	117	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	118	"container", "prototype"
jaroslav@239	119	);
jtulach@162	120	StringArray toInitilize = new StringArray();
jaroslav@151	121	final String className = className(jc);
jaroslav@213	122	out.append("\n\n").append(assignClass(className));
jaroslav@880	123	out.append("function ").append(className).append("() {");
jaroslav@880	124	out.append("\n var CLS = ").append(className).append(';');
jaroslav@711	125	out.append("\n if (!CLS.$class) {");
jaroslav@239	126	if (proto == null) {
jaroslav@239	127	String sc = jc.getSuperClassName(); // with _
jaroslav@230	128	out.append("\n var pp = ").
jaroslav@274	129	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	130	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	131	out.append("\n var c = p;");
jaroslav@230	132	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	133	} else {
jaroslav@240	134	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	135	if (proto[0] == null) {
jaroslav@316	136	proto[0] = "p";
jaroslav@316	137	}
jaroslav@239	138	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	139	out.append("\n var sprcls = null;");
jaroslav@13	140	}
jaroslav@592	141	for (FieldData v : jc.getFields()) {
jaroslav@592	142	if (v.isStatic()) {
jaroslav@592	143	out.append("\n CLS.").append(v.getName()).append(initField(v));
jaroslav@775	144	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@775	145	.append(" if (arguments.length == 1) CLS.").append(v.getName())
jaroslav@775	146	.append(" = v; return CLS.").
jaroslav@775	147	append(v.getName()).append("; };");
jaroslav@592	148	} else {
jaroslav@592	149	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@592	150	.append(" if (arguments.length == 1) this.fld_").
jaroslav@592	151	append(className).append('_').append(v.getName())
jaroslav@592	152	.append(" = v; return this.fld_").
jaroslav@592	153	append(className).append('_').append(v.getName())
jaroslav@592	154	.append("; };");
jaroslav@592	155	}
lubomir@869	156
lubomir@1083	157	declaredField(v, "c", "_" + v.getName());
jaroslav@592	158	}
jaroslav@151	159	for (MethodData m : jc.getMethods()) {
jaroslav@240	160	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	161	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	162	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	163	"name", "value"
jaroslav@240	164	);
jaroslav@240	165	if (only != null) {
jaroslav@240	166	if (only[0] != null && only[1] != null) {
jaroslav@240	167	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	168	.append(only[1]).append(";");
jaroslav@240	169	}
jaroslav@240	170	continue;
jaroslav@240	171	}
lubomir@869	172	String destObject;
jaroslav@266	173	String mn;
lubomir@869	174	out.append("\n ");
jaroslav@203	175	if (m.isStatic()) {
lubomir@869	176	destObject = "c";
lubomir@869	177	mn = generateStaticMethod(destObject, m, toInitilize);
jaroslav@203	178	} else {
jaroslav@397	179	if (m.isConstructor()) {
lubomir@869	180	destObject = "CLS";
lubomir@869	181	mn = generateInstanceMethod(destObject, m);
jaroslav@397	182	} else {
lubomir@869	183	destObject = "c";
lubomir@869	184	mn = generateInstanceMethod(destObject, m);
jaroslav@397	185	}
jaroslav@266	186	}
lubomir@1083	187	declaredMethod(m, destObject, mn);
jaroslav@266	188	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	189	if (runAnno != null) {
lubomir@869	190	out.append("\n ").append(destObject).append(".").append(mn).append(".anno = {");
jaroslav@266	191	generateAnno(jc, out, runAnno);
jaroslav@266	192	out.append("\n };");
jaroslav@38	193	}
lubomir@869	194	out.append("\n ").append(destObject).append(".").append(mn).append(".access = " + m.getAccess()).append(";");
lubomir@869	195	out.append("\n ").append(destObject).append(".").append(mn).append(".cls = CLS;");
jaroslav@38	196	}
jaroslav@239	197	out.append("\n c.constructor = CLS;");
lubomir@1082	198	out.append("\n c['$instOf_").append(className).append("'] = true;");
jaroslav@151	199	for (String superInterface : jc.getSuperInterfaces()) {
lubomir@1082	200	out.append("\n c['$instOf_").append(superInterface.replace('/', '_')).append("'] = true;");
jaroslav@40	201	}
jaroslav@711	202	out.append("\n CLS.$class = 'temp';");
jaroslav@274	203	out.append("\n CLS.$class = ");
jaroslav@274	204	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	205	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	206	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	207	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	208	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	209	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	210	if (classAnno != null) {
jaroslav@235	211	out.append("\n CLS.$class.anno = {");
jaroslav@235	212	generateAnno(jc, out, classAnno);
jaroslav@235	213	out.append("\n };");
jaroslav@235	214	}
jaroslav@834	215	for (String init : toInitilize.toArray()) {
jaroslav@834	216	out.append("\n ").append(init).append("();");
jaroslav@834	217	}
jaroslav@204	218	out.append("\n }");
jaroslav@205	219	out.append("\n if (arguments.length === 0) {");
jaroslav@226	220	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	221	out.append("\n return new CLS();");
jaroslav@226	222	out.append("\n }");
jaroslav@205	223	for (FieldData v : jc.getFields()) {
jaroslav@240	224	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	225	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	226	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	227	"name", "value"
jaroslav@240	228	);
jaroslav@240	229	if (only != null) {
jaroslav@240	230	if (only[0] != null && only[1] != null) {
jaroslav@240	231	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	232	.append(only[1]).append(";");
jaroslav@240	233	}
jaroslav@240	234	continue;
jaroslav@240	235	}
jaroslav@205	236	if (!v.isStatic()) {
jaroslav@205	237	out.append("\n this.fld_").
jaroslav@592	238	append(className).append('_').
jaroslav@205	239	append(v.getName()).append(initField(v));
jaroslav@205	240	}
jaroslav@205	241	}
jaroslav@205	242	out.append("\n return this;");
jaroslav@205	243	out.append("\n }");
jaroslav@224	244	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@509	245	out.append("\n};");
lubomir@869	246
lubomir@1029	247	declaredClass(jc, className);
lubomir@869	248
jaroslav@834	249	// StringBuilder sb = new StringBuilder();
jaroslav@834	250	// for (String init : toInitilize.toArray()) {
jaroslav@834	251	// sb.append("\n").append(init).append("();");
jaroslav@834	252	// }
jaroslav@834	253	return "";
jaroslav@0	254	}
lubomir@869	255	private String generateStaticMethod(String destObject, MethodData m, StringArray toInitilize) throws IOException {
lubomir@869	256	String jsb = javaScriptBody(destObject, m, true);
jaroslav@266	257	if (jsb != null) {
jaroslav@266	258	return jsb;
jaroslav@94	259	}
lubomir@307	260	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	261	if (mn.equals("class__V")) {
jaroslav@274	262	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	263	}
lubomir@869	264	generateMethod(destObject, mn, m);
jaroslav@266	265	return mn;
jaroslav@10	266	}
lubomir@307	267
lubomir@869	268	private String generateInstanceMethod(String destObject, MethodData m) throws IOException {
lubomir@869	269	String jsb = javaScriptBody(destObject, m, false);
jaroslav@266	270	if (jsb != null) {
jaroslav@266	271	return jsb;
jaroslav@94	272	}
lubomir@307	273	final String mn = findMethodName(m, new StringBuilder());
lubomir@869	274	generateMethod(destObject, mn, m);
jaroslav@266	275	return mn;
jaroslav@0	276	}
jaroslav@0	277
lubomir@869	278	private void generateMethod(String destObject, String name, MethodData m)
lubomir@307	279	throws IOException {
lubomir@307	280	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	281	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	282	final LocalsMapper lmapper =
lubomir@307	283	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	284
lubomir@869	285	out.append(destObject).append(".").append(name).append(" = function(");
jaroslav@442	286	lmapper.outputArguments(out, m.isStatic());
lubomir@307	287	out.append(") {").append("\n");
lubomir@307	288
lubomir@221	289	final byte[] byteCodes = m.getCode();
lubomir@307	290	if (byteCodes == null) {
lubomir@307	291	out.append(" throw 'no code found for ")
jaroslav@424	292	.append(jc.getClassName()).append('.')
jaroslav@424	293	.append(m.getName()).append("';\n");
lubomir@307	294	out.append("};");
lubomir@307	295	return;
lubomir@307	296	}
lubomir@307	297
lubomir@307	298	final StackMapper smapper = new StackMapper();
lubomir@307	299
jaroslav@442	300	if (!m.isStatic()) {
jaroslav@442	301	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	302	}
lubomir@221	303
lubomir@221	304	int lastStackFrame = -1;
jaroslav@398	305	TrapData[] previousTrap = null;
lubomir@585	306	boolean wide = false;
jaroslav@398	307
jaroslav@839	308	out.append("\n var gt = 0;\n");
jaroslav@839	309	int openBraces = 0;
jaroslav@843	310	int topMostLabel = 0;
jaroslav@0	311	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	312	int prev = i;
lubomir@221	313	stackMapIterator.advanceTo(i);
jaroslav@398	314	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	315	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	316	if (previousTrap != null) {
jaroslav@843	317	generateCatch(previousTrap, i, topMostLabel);
jaroslav@398	318	previousTrap = null;
jaroslav@398	319	}
jaroslav@398	320	}
lubomir@221	321	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@839	322	if (i != 0) {
jaroslav@839	323	out.append(" }\n");
jaroslav@839	324	}
jaroslav@843	325	if (openBraces > 64) {
jaroslav@843	326	for (int c = 0; c < 64; c++) {
jaroslav@843	327	out.append("break;}\n");
jaroslav@843	328	}
jaroslav@843	329	openBraces = 1;
jaroslav@843	330	topMostLabel = i;
jaroslav@843	331	}
jaroslav@839	332
lubomir@221	333	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	334	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	335	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@839	336	out.append(" X_" + i).append(": for (;;) { IF: if (gt <= " + i + ") {\n");
jaroslav@839	337	openBraces++;
jaroslav@398	338	changeInCatch = true;
lubomir@221	339	} else {
jaroslav@399	340	debug(" /* " + i + " */ ");
lubomir@221	341	}
jaroslav@398	342	if (changeInCatch && trap.useTry()) {
tzezula@285	343	out.append("try {");
jaroslav@398	344	previousTrap = trap.current();
tzezula@285	345	}
lubomir@585	346	final int c = readUByte(byteCodes, i);
jaroslav@0	347	switch (c) {
jaroslav@151	348	case opc_aload_0:
lubomir@474	349	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	350	break;
jaroslav@151	351	case opc_iload_0:
lubomir@474	352	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	353	break;
jaroslav@151	354	case opc_lload_0:
lubomir@474	355	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	356	break;
jaroslav@151	357	case opc_fload_0:
lubomir@474	358	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	359	break;
jaroslav@151	360	case opc_dload_0:
lubomir@474	361	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	362	break;
jaroslav@151	363	case opc_aload_1:
lubomir@474	364	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	365	break;
jaroslav@151	366	case opc_iload_1:
lubomir@474	367	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	368	break;
jaroslav@151	369	case opc_lload_1:
lubomir@474	370	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	371	break;
jaroslav@151	372	case opc_fload_1:
lubomir@474	373	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	374	break;
jaroslav@151	375	case opc_dload_1:
lubomir@474	376	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	377	break;
jaroslav@151	378	case opc_aload_2:
lubomir@474	379	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	380	break;
jaroslav@151	381	case opc_iload_2:
lubomir@474	382	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	383	break;
jaroslav@151	384	case opc_lload_2:
lubomir@474	385	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	386	break;
jaroslav@151	387	case opc_fload_2:
lubomir@474	388	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	389	break;
jaroslav@151	390	case opc_dload_2:
lubomir@474	391	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	392	break;
jaroslav@151	393	case opc_aload_3:
lubomir@474	394	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	395	break;
jaroslav@151	396	case opc_iload_3:
lubomir@474	397	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	398	break;
jaroslav@151	399	case opc_lload_3:
lubomir@474	400	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	401	break;
jaroslav@151	402	case opc_fload_3:
lubomir@474	403	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	404	break;
jaroslav@151	405	case opc_dload_3:
lubomir@474	406	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	407	break;
lubomir@281	408	case opc_iload: {
lubomir@585	409	++i;
lubomir@585	410	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	411	: readUByte(byteCodes, i);
lubomir@585	412	wide = false;
lubomir@474	413	emit(out, "var @1 = @2;",
lubomir@474	414	smapper.pushI(), lmapper.getI(indx));
lubomir@281	415	break;
lubomir@281	416	}
lubomir@281	417	case opc_lload: {
lubomir@585	418	++i;
lubomir@585	419	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	420	: readUByte(byteCodes, i);
lubomir@585	421	wide = false;
lubomir@474	422	emit(out, "var @1 = @2;",
lubomir@474	423	smapper.pushL(), lmapper.getL(indx));
lubomir@281	424	break;
lubomir@281	425	}
lubomir@281	426	case opc_fload: {
lubomir@585	427	++i;
lubomir@585	428	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	429	: readUByte(byteCodes, i);
lubomir@585	430	wide = false;
lubomir@474	431	emit(out, "var @1 = @2;",
lubomir@474	432	smapper.pushF(), lmapper.getF(indx));
lubomir@281	433	break;
lubomir@281	434	}
lubomir@281	435	case opc_dload: {
lubomir@585	436	++i;
lubomir@585	437	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	438	: readUByte(byteCodes, i);
lubomir@585	439	wide = false;
lubomir@474	440	emit(out, "var @1 = @2;",
lubomir@474	441	smapper.pushD(), lmapper.getD(indx));
lubomir@281	442	break;
lubomir@281	443	}
jaroslav@151	444	case opc_aload: {
lubomir@585	445	++i;
lubomir@585	446	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	447	: readUByte(byteCodes, i);
lubomir@585	448	wide = false;
lubomir@474	449	emit(out, "var @1 = @2;",
lubomir@474	450	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	451	break;
jaroslav@3	452	}
lubomir@281	453	case opc_istore: {
lubomir@585	454	++i;
lubomir@585	455	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	456	: readUByte(byteCodes, i);
lubomir@585	457	wide = false;
lubomir@474	458	emit(out, "var @1 = @2;",
lubomir@474	459	lmapper.setI(indx), smapper.popI());
lubomir@281	460	break;
lubomir@281	461	}
lubomir@281	462	case opc_lstore: {
lubomir@585	463	++i;
lubomir@585	464	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	465	: readUByte(byteCodes, i);
lubomir@585	466	wide = false;
lubomir@474	467	emit(out, "var @1 = @2;",
lubomir@474	468	lmapper.setL(indx), smapper.popL());
lubomir@281	469	break;
lubomir@281	470	}
lubomir@281	471	case opc_fstore: {
lubomir@585	472	++i;
lubomir@585	473	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	474	: readUByte(byteCodes, i);
lubomir@585	475	wide = false;
lubomir@474	476	emit(out, "var @1 = @2;",
lubomir@474	477	lmapper.setF(indx), smapper.popF());
lubomir@281	478	break;
lubomir@281	479	}
lubomir@281	480	case opc_dstore: {
lubomir@585	481	++i;
lubomir@585	482	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	483	: readUByte(byteCodes, i);
lubomir@585	484	wide = false;
lubomir@474	485	emit(out, "var @1 = @2;",
lubomir@474	486	lmapper.setD(indx), smapper.popD());
lubomir@281	487	break;
lubomir@281	488	}
jaroslav@151	489	case opc_astore: {
lubomir@585	490	++i;
lubomir@585	491	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	492	: readUByte(byteCodes, i);
lubomir@585	493	wide = false;
lubomir@474	494	emit(out, "var @1 = @2;",
lubomir@474	495	lmapper.setA(indx), smapper.popA());
jaroslav@31	496	break;
jaroslav@31	497	}
jaroslav@151	498	case opc_astore_0:
lubomir@474	499	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	500	break;
jaroslav@151	501	case opc_istore_0:
lubomir@474	502	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	503	break;
jaroslav@151	504	case opc_lstore_0:
lubomir@474	505	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	506	break;
jaroslav@151	507	case opc_fstore_0:
lubomir@474	508	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	509	break;
jaroslav@151	510	case opc_dstore_0:
lubomir@474	511	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	512	break;
jaroslav@151	513	case opc_astore_1:
lubomir@474	514	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	515	break;
jaroslav@151	516	case opc_istore_1:
lubomir@474	517	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	518	break;
jaroslav@151	519	case opc_lstore_1:
lubomir@474	520	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	521	break;
jaroslav@151	522	case opc_fstore_1:
lubomir@474	523	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	524	break;
jaroslav@151	525	case opc_dstore_1:
lubomir@474	526	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	527	break;
jaroslav@151	528	case opc_astore_2:
lubomir@474	529	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	530	break;
jaroslav@151	531	case opc_istore_2:
lubomir@474	532	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	533	break;
jaroslav@151	534	case opc_lstore_2:
lubomir@474	535	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	536	break;
jaroslav@151	537	case opc_fstore_2:
lubomir@474	538	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	539	break;
jaroslav@151	540	case opc_dstore_2:
lubomir@474	541	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	542	break;
jaroslav@151	543	case opc_astore_3:
lubomir@474	544	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	545	break;
jaroslav@151	546	case opc_istore_3:
lubomir@474	547	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	548	break;
jaroslav@151	549	case opc_lstore_3:
lubomir@474	550	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	551	break;
jaroslav@151	552	case opc_fstore_3:
lubomir@474	553	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	554	break;
jaroslav@151	555	case opc_dstore_3:
lubomir@474	556	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	557	break;
jaroslav@151	558	case opc_iadd:
Martin@445	559	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	560	break;
jaroslav@151	561	case opc_ladd:
Martin@582	562	emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	563	break;
jaroslav@151	564	case opc_fadd:
lubomir@307	565	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	566	break;
jaroslav@151	567	case opc_dadd:
lubomir@307	568	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	569	break;
jaroslav@151	570	case opc_isub:
Martin@445	571	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	572	break;
jaroslav@151	573	case opc_lsub:
Martin@620	574	emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	575	break;
jaroslav@151	576	case opc_fsub:
lubomir@307	577	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	578	break;
jaroslav@151	579	case opc_dsub:
lubomir@307	580	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	581	break;
jaroslav@151	582	case opc_imul:
Martin@445	583	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	584	break;
jaroslav@151	585	case opc_lmul:
Martin@657	586	emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	587	break;
jaroslav@151	588	case opc_fmul:
lubomir@307	589	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	590	break;
jaroslav@151	591	case opc_dmul:
lubomir@307	592	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	593	break;
jaroslav@151	594	case opc_idiv:
lubomir@737	595	emit(out, "@1 = @1.div32(@2);",
lubomir@307	596	smapper.getI(1), smapper.popI());
lubomir@281	597	break;
jaroslav@151	598	case opc_ldiv:
Martin@582	599	emit(out, "@1 = @1.div64(@2);",
lubomir@307	600	smapper.getL(1), smapper.popL());
jaroslav@3	601	break;
jaroslav@151	602	case opc_fdiv:
lubomir@307	603	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	604	break;
jaroslav@151	605	case opc_ddiv:
lubomir@307	606	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	607	break;
jaroslav@178	608	case opc_irem:
lubomir@737	609	emit(out, "@1 = @1.mod32(@2);",
lubomir@737	610	smapper.getI(1), smapper.popI());
lubomir@281	611	break;
jaroslav@178	612	case opc_lrem:
lubomir@676	613	emit(out, "@1 = @1.mod64(@2);",
lubomir@676	614	smapper.getL(1), smapper.popL());
lubomir@281	615	break;
jaroslav@178	616	case opc_frem:
lubomir@307	617	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	618	break;
jaroslav@178	619	case opc_drem:
lubomir@307	620	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	621	break;
jaroslav@151	622	case opc_iand:
lubomir@307	623	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	624	break;
jaroslav@151	625	case opc_land:
Martin@615	626	emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	627	break;
jaroslav@151	628	case opc_ior:
lubomir@307	629	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	630	break;
jaroslav@151	631	case opc_lor:
Martin@627	632	emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	633	break;
jaroslav@151	634	case opc_ixor:
lubomir@307	635	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	636	break;
jaroslav@151	637	case opc_lxor:
lubomir@679	638	emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
jaroslav@6	639	break;
jaroslav@151	640	case opc_ineg:
Martin@700	641	emit(out, "@1 = @1.neg32();", smapper.getI(0));
lubomir@281	642	break;
jaroslav@151	643	case opc_lneg:
Martin@630	644	emit(out, "@1 = @1.neg64();", smapper.getL(0));
lubomir@281	645	break;
jaroslav@151	646	case opc_fneg:
lubomir@307	647	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	648	break;
jaroslav@151	649	case opc_dneg:
lubomir@307	650	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	651	break;
jaroslav@151	652	case opc_ishl:
lubomir@307	653	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	654	break;
jaroslav@151	655	case opc_lshl:
Martin@582	656	emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	657	break;
jaroslav@151	658	case opc_ishr:
lubomir@307	659	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	660	break;
jaroslav@151	661	case opc_lshr:
Martin@615	662	emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	663	break;
jaroslav@151	664	case opc_iushr:
lubomir@307	665	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	666	break;
jaroslav@151	667	case opc_lushr:
Martin@629	668	emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	669	break;
jaroslav@151	670	case opc_iinc: {
lubomir@585	671	++i;
lubomir@585	672	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	673	: readUByte(byteCodes, i);
lubomir@585	674	++i;
lubomir@697	675	final int incrBy = wide ? readShort(byteCodes, i++)
lubomir@585	676	: byteCodes[i];
lubomir@585	677	wide = false;
jaroslav@5	678	if (incrBy == 1) {
lubomir@307	679	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	680	} else {
lubomir@307	681	emit(out, "@1 += @2;",
lubomir@307	682	lmapper.getI(varIndx),
lubomir@283	683	Integer.toString(incrBy));
jaroslav@5	684	}
jaroslav@5	685	break;
jaroslav@5	686	}
jaroslav@151	687	case opc_return:
lubomir@283	688	emit(out, "return;");
jaroslav@10	689	break;
jaroslav@151	690	case opc_ireturn:
lubomir@307	691	emit(out, "return @1;", smapper.popI());
lubomir@281	692	break;
jaroslav@151	693	case opc_lreturn:
lubomir@307	694	emit(out, "return @1;", smapper.popL());
lubomir@281	695	break;
jaroslav@151	696	case opc_freturn:
lubomir@307	697	emit(out, "return @1;", smapper.popF());
lubomir@281	698	break;
jaroslav@151	699	case opc_dreturn:
lubomir@307	700	emit(out, "return @1;", smapper.popD());
lubomir@281	701	break;
jaroslav@151	702	case opc_areturn:
lubomir@307	703	emit(out, "return @1;", smapper.popA());
jaroslav@1	704	break;
jaroslav@151	705	case opc_i2l:
lubomir@474	706	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	707	break;
jaroslav@151	708	case opc_i2f:
lubomir@474	709	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	710	break;
jaroslav@151	711	case opc_i2d:
lubomir@474	712	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	713	break;
jaroslav@151	714	case opc_l2i:
Martin@582	715	emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
lubomir@281	716	break;
jaroslav@3	717	// max int check?
jaroslav@151	718	case opc_l2f:
Martin@582	719	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
jaroslav@272	720	break;
jaroslav@151	721	case opc_l2d:
Martin@582	722	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
jaroslav@272	723	break;
jaroslav@151	724	case opc_f2d:
lubomir@474	725	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	726	break;
jaroslav@151	727	case opc_d2f:
lubomir@474	728	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	729	break;
jaroslav@151	730	case opc_f2i:
lubomir@778	731	emit(out, "var @2 = @1.toInt32();",
lubomir@307	732	smapper.popF(), smapper.pushI());
lubomir@281	733	break;
jaroslav@151	734	case opc_f2l:
lubomir@778	735	emit(out, "var @2 = @1.toLong();",
lubomir@307	736	smapper.popF(), smapper.pushL());
lubomir@281	737	break;
jaroslav@151	738	case opc_d2i:
lubomir@778	739	emit(out, "var @2 = @1.toInt32();",
lubomir@307	740	smapper.popD(), smapper.pushI());
lubomir@281	741	break;
jaroslav@151	742	case opc_d2l:
lubomir@778	743	emit(out, "var @2 = @1.toLong();",
lubomir@307	744	smapper.popD(), smapper.pushL());
jaroslav@3	745	break;
jaroslav@151	746	case opc_i2b:
lubomir@474	747	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	748	break;
jaroslav@151	749	case opc_i2c:
Martin@439	750	out.append("{ /* number conversion */ }");
Martin@439	751	break;
jaroslav@151	752	case opc_i2s:
lubomir@474	753	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	754	break;
jaroslav@151	755	case opc_aconst_null:
lubomir@474	756	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	757	break;
jaroslav@151	758	case opc_iconst_m1:
lubomir@474	759	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	760	break;
jaroslav@151	761	case opc_iconst_0:
lubomir@474	762	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	763	break;
jaroslav@151	764	case opc_dconst_0:
lubomir@474	765	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	766	break;
jaroslav@151	767	case opc_lconst_0:
lubomir@474	768	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	769	break;
jaroslav@151	770	case opc_fconst_0:
lubomir@474	771	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	772	break;
jaroslav@151	773	case opc_iconst_1:
lubomir@474	774	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	775	break;
jaroslav@151	776	case opc_lconst_1:
lubomir@474	777	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	778	break;
jaroslav@151	779	case opc_fconst_1:
lubomir@474	780	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	781	break;
jaroslav@151	782	case opc_dconst_1:
lubomir@474	783	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	784	break;
jaroslav@151	785	case opc_iconst_2:
lubomir@474	786	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	787	break;
jaroslav@151	788	case opc_fconst_2:
lubomir@474	789	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	790	break;
jaroslav@151	791	case opc_iconst_3:
lubomir@474	792	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	793	break;
jaroslav@151	794	case opc_iconst_4:
lubomir@474	795	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	796	break;
jaroslav@151	797	case opc_iconst_5:
lubomir@474	798	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	799	break;
jaroslav@151	800	case opc_ldc: {
lubomir@585	801	int indx = readUByte(byteCodes, ++i);
jaroslav@151	802	String v = encodeConstant(indx);
lubomir@307	803	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	804	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	805	break;
jaroslav@20	806	}
jaroslav@151	807	case opc_ldc_w:
jaroslav@151	808	case opc_ldc2_w: {
jaroslav@864	809	int indx = readUShortArg(byteCodes, i);
jaroslav@8	810	i += 2;
jaroslav@151	811	String v = encodeConstant(indx);
lubomir@307	812	int type = VarType.fromConstantType(jc.getTag(indx));
Martin@582	813	if (type == VarType.LONG) {
Martin@582	814	final Long lv = new Long(v);
Martin@582	815	final int low = (int)(lv.longValue() & 0xFFFFFFFF);
Martin@582	816	final int hi = (int)(lv.longValue() >> 32);
Martin@594	817	emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
Martin@582	818	Integer.toHexString(low), Integer.toHexString(hi));
Martin@582	819	} else {
Martin@582	820	emit(out, "var @1 = @2;", smapper.pushT(type), v);
Martin@582	821	}
jaroslav@8	822	break;
jaroslav@8	823	}
jaroslav@151	824	case opc_lcmp:
Martin@582	825	emit(out, "var @3 = @2.compare64(@1);",
lubomir@307	826	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	827	break;
jaroslav@151	828	case opc_fcmpl:
jaroslav@151	829	case opc_fcmpg:
lubomir@474	830	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	831	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	832	break;
jaroslav@151	833	case opc_dcmpl:
lubomir@281	834	case opc_dcmpg:
lubomir@474	835	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	836	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	837	break;
jaroslav@151	838	case opc_if_acmpeq:
lubomir@307	839	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	840	"===", topMostLabel);
jaroslav@104	841	break;
jaroslav@151	842	case opc_if_acmpne:
lubomir@307	843	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	844	"!==", topMostLabel);
jaroslav@104	845	break;
lubomir@283	846	case opc_if_icmpeq:
lubomir@307	847	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	848	"==", topMostLabel);
jaroslav@4	849	break;
jaroslav@151	850	case opc_ifeq: {
jaroslav@864	851	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	852	emitIf(out, "if (@1 == 0) ",
jaroslav@843	853	smapper.popI(), i, indx, topMostLabel);
jaroslav@7	854	i += 2;
jaroslav@7	855	break;
jaroslav@7	856	}
jaroslav@151	857	case opc_ifne: {
jaroslav@864	858	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	859	emitIf(out, "if (@1 != 0) ",
jaroslav@843	860	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	861	i += 2;
jaroslav@20	862	break;
jaroslav@20	863	}
jaroslav@151	864	case opc_iflt: {
jaroslav@864	865	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	866	emitIf(out, "if (@1 < 0) ",
jaroslav@843	867	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	868	i += 2;
jaroslav@20	869	break;
jaroslav@20	870	}
jaroslav@151	871	case opc_ifle: {
jaroslav@864	872	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	873	emitIf(out, "if (@1 <= 0) ",
jaroslav@843	874	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	875	i += 2;
jaroslav@20	876	break;
jaroslav@20	877	}
jaroslav@151	878	case opc_ifgt: {
jaroslav@864	879	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	880	emitIf(out, "if (@1 > 0) ",
jaroslav@843	881	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	882	i += 2;
jaroslav@20	883	break;
jaroslav@20	884	}
jaroslav@151	885	case opc_ifge: {
jaroslav@864	886	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	887	emitIf(out, "if (@1 >= 0) ",
jaroslav@843	888	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	889	i += 2;
jaroslav@20	890	break;
jaroslav@20	891	}
jaroslav@151	892	case opc_ifnonnull: {
jaroslav@864	893	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	894	emitIf(out, "if (@1 !== null) ",
jaroslav@843	895	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	896	i += 2;
jaroslav@16	897	break;
jaroslav@16	898	}
jaroslav@151	899	case opc_ifnull: {
jaroslav@864	900	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	901	emitIf(out, "if (@1 === null) ",
jaroslav@843	902	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	903	i += 2;
jaroslav@16	904	break;
jaroslav@16	905	}
jaroslav@151	906	case opc_if_icmpne:
lubomir@307	907	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	908	"!=", topMostLabel);
jaroslav@4	909	break;
jaroslav@151	910	case opc_if_icmplt:
lubomir@307	911	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	912	"<", topMostLabel);
jaroslav@4	913	break;
jaroslav@151	914	case opc_if_icmple:
lubomir@307	915	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	916	"<=", topMostLabel);
jaroslav@4	917	break;
jaroslav@151	918	case opc_if_icmpgt:
lubomir@307	919	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	920	">", topMostLabel);
jaroslav@4	921	break;
jaroslav@151	922	case opc_if_icmpge:
lubomir@307	923	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	924	">=", topMostLabel);
jaroslav@4	925	break;
jaroslav@151	926	case opc_goto: {
jaroslav@864	927	int indx = i + readShortArg(byteCodes, i);
jaroslav@843	928	goTo(out, i, indx, topMostLabel);
jaroslav@5	929	i += 2;
jaroslav@5	930	break;
jaroslav@5	931	}
jaroslav@151	932	case opc_lookupswitch: {
jaroslav@843	933	i = generateLookupSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	934	break;
jaroslav@115	935	}
jaroslav@151	936	case opc_tableswitch: {
jaroslav@843	937	i = generateTableSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	938	break;
jaroslav@115	939	}
jaroslav@151	940	case opc_invokeinterface: {
lubomir@307	941	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	942	break;
jaroslav@46	943	}
jaroslav@151	944	case opc_invokevirtual:
lubomir@307	945	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	946	break;
jaroslav@151	947	case opc_invokespecial:
lubomir@307	948	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	949	break;
jaroslav@151	950	case opc_invokestatic:
lubomir@307	951	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	952	break;
jaroslav@151	953	case opc_new: {
jaroslav@864	954	int indx = readUShortArg(byteCodes, i);
jaroslav@151	955	String ci = jc.getClassName(indx);
lubomir@474	956	emit(out, "var @1 = new @2;",
lubomir@317	957	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	958	addReference(ci);
jaroslav@8	959	i += 2;
jaroslav@8	960	break;
jaroslav@8	961	}
lubomir@283	962	case opc_newarray:
lubomir@585	963	int atype = readUByte(byteCodes, ++i);
jaroslav@842	964	generateNewArray(atype, smapper);
jaroslav@21	965	break;
jaroslav@448	966	case opc_anewarray: {
jaroslav@864	967	int type = readUShortArg(byteCodes, i);
jaroslav@448	968	i += 2;
jaroslav@842	969	generateANewArray(type, smapper);
jaroslav@21	970	break;
jaroslav@448	971	}
jaroslav@151	972	case opc_multianewarray: {
jaroslav@864	973	int type = readUShortArg(byteCodes, i);
jtulach@128	974	i += 2;
jaroslav@842	975	i = generateMultiANewArray(type, byteCodes, i, smapper);
jtulach@128	976	break;
jtulach@128	977	}
jaroslav@151	978	case opc_arraylength:
lubomir@474	979	emit(out, "var @2 = @1.length;",
lubomir@474	980	smapper.popA(), smapper.pushI());
jaroslav@272	981	break;
lubomir@283	982	case opc_lastore:
jaroslav@459	983	emit(out, "@3.at(@2, @1);",
lubomir@307	984	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	985	break;
lubomir@283	986	case opc_fastore:
jaroslav@459	987	emit(out, "@3.at(@2, @1);",
lubomir@307	988	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	989	break;
lubomir@283	990	case opc_dastore:
jaroslav@459	991	emit(out, "@3.at(@2, @1);",
lubomir@307	992	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	993	break;
lubomir@283	994	case opc_aastore:
jaroslav@459	995	emit(out, "@3.at(@2, @1);",
lubomir@307	996	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	997	break;
jaroslav@151	998	case opc_iastore:
jaroslav@151	999	case opc_bastore:
jaroslav@151	1000	case opc_castore:
lubomir@283	1001	case opc_sastore:
jaroslav@459	1002	emit(out, "@3.at(@2, @1);",
lubomir@307	1003	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	1004	break;
lubomir@283	1005	case opc_laload:
lubomir@474	1006	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1007	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	1008	break;
lubomir@283	1009	case opc_faload:
lubomir@474	1010	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1011	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1012	break;
lubomir@283	1013	case opc_daload:
lubomir@474	1014	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1015	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1016	break;
lubomir@283	1017	case opc_aaload:
lubomir@474	1018	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1019	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1020	break;
jaroslav@272	1021	case opc_iaload:
jaroslav@272	1022	case opc_baload:
jaroslav@272	1023	case opc_caload:
lubomir@283	1024	case opc_saload:
lubomir@474	1025	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1026	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1027	break;
lubomir@221	1028	case opc_pop:
jaroslav@272	1029	case opc_pop2:
lubomir@307	1030	smapper.pop(1);
jaroslav@399	1031	debug("/* pop */");
jaroslav@272	1032	break;
lubomir@281	1033	case opc_dup: {
lubomir@307	1034	final Variable v = smapper.get(0);
lubomir@474	1035	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1036	break;
jaroslav@21	1037	}
lubomir@281	1038	case opc_dup2: {
lubomir@585	1039	final Variable vi1 = smapper.get(0);
lubomir@585	1040
lubomir@585	1041	if (vi1.isCategory2()) {
lubomir@474	1042	emit(out, "var @1 = @2;",
lubomir@585	1043	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1044	} else {
lubomir@585	1045	final Variable vi2 = smapper.get(1);
lubomir@474	1046	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1047	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1048	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1049	}
jaroslav@21	1050	break;
jaroslav@21	1051	}
lubomir@281	1052	case opc_dup_x1: {
lubomir@307	1053	final Variable vi1 = smapper.pop();
lubomir@307	1054	final Variable vi2 = smapper.pop();
lubomir@307	1055	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1056	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1057	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1058
lubomir@474	1059	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1060	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1061	break;
lubomir@281	1062	}
lubomir@585	1063	case opc_dup2_x1: {
lubomir@585	1064	final Variable vi1 = smapper.pop();
lubomir@585	1065	final Variable vi2 = smapper.pop();
lubomir@585	1066
lubomir@585	1067	if (vi1.isCategory2()) {
lubomir@307	1068	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1069	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1070	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1071
lubomir@474	1072	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1073	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1074	} else {
lubomir@585	1075	final Variable vi3 = smapper.pop();
lubomir@585	1076	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1077	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1078	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1079	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1080	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1081
lubomir@585	1082	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1083	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1084	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1085	vo4, vo1, vo5, vo2);
lubomir@585	1086	}
lubomir@585	1087	break;
lubomir@585	1088	}
lubomir@585	1089	case opc_dup_x2: {
lubomir@585	1090	final Variable vi1 = smapper.pop();
lubomir@585	1091	final Variable vi2 = smapper.pop();
lubomir@585	1092
lubomir@585	1093	if (vi2.isCategory2()) {
lubomir@585	1094	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1095	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1096	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1097
lubomir@585	1098	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1099	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1100	} else {
lubomir@307	1101	final Variable vi3 = smapper.pop();
lubomir@307	1102	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1103	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1104	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1105	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1106
lubomir@474	1107	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1108	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1109	}
jaroslav@8	1110	break;
lubomir@281	1111	}
lubomir@585	1112	case opc_dup2_x2: {
lubomir@585	1113	final Variable vi1 = smapper.pop();
lubomir@585	1114	final Variable vi2 = smapper.pop();
lubomir@585	1115
lubomir@585	1116	if (vi1.isCategory2()) {
lubomir@585	1117	if (vi2.isCategory2()) {
lubomir@585	1118	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1119	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1120	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1121
lubomir@585	1122	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1123	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1124	} else {
lubomir@585	1125	final Variable vi3 = smapper.pop();
lubomir@585	1126	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1127	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1128	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1129	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1130
lubomir@585	1131	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1132	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1133	}
lubomir@585	1134	} else {
lubomir@585	1135	final Variable vi3 = smapper.pop();
lubomir@585	1136
lubomir@585	1137	if (vi3.isCategory2()) {
lubomir@585	1138	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1139	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1140	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1141	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1142	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1143
lubomir@585	1144	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1145	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1146	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1147	vo4, vo1, vo5, vo2);
lubomir@585	1148	} else {
lubomir@585	1149	final Variable vi4 = smapper.pop();
lubomir@585	1150	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1151	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1152	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1153	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1154	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1155	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1156
lubomir@585	1157	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1158	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1159	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1160	vo5, vo1, vo6, vo2);
lubomir@585	1161	}
lubomir@585	1162	}
lubomir@585	1163	break;
lubomir@585	1164	}
lubomir@585	1165	case opc_swap: {
lubomir@585	1166	final Variable vi1 = smapper.get(0);
lubomir@585	1167	final Variable vi2 = smapper.get(1);
lubomir@585	1168
lubomir@585	1169	if (vi1.getType() == vi2.getType()) {
lubomir@585	1170	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1171
lubomir@585	1172	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1173	tmp, vi1, vi2);
lubomir@585	1174	smapper.pop(1);
lubomir@585	1175	} else {
lubomir@585	1176	smapper.pop(2);
lubomir@585	1177	smapper.pushT(vi1.getType());
lubomir@585	1178	smapper.pushT(vi2.getType());
lubomir@585	1179	}
lubomir@585	1180	break;
lubomir@585	1181	}
jaroslav@151	1182	case opc_bipush:
lubomir@474	1183	emit(out, "var @1 = @2;",
lubomir@307	1184	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1185	break;
jaroslav@151	1186	case opc_sipush:
lubomir@474	1187	emit(out, "var @1 = @2;",
lubomir@307	1188	smapper.pushI(),
jaroslav@864	1189	Integer.toString(readShortArg(byteCodes, i)));
jaroslav@31	1190	i += 2;
jaroslav@31	1191	break;
jaroslav@151	1192	case opc_getfield: {
jaroslav@864	1193	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1194	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1195	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1196	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1197	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1198	emit(out, "var @2 = @4(false)._@3.call(@1);",
jaroslav@592	1199	smapper.popA(),
jaroslav@592	1200	smapper.pushT(type), fi[1], mangleClassAccess
jaroslav@592	1201	);
jaroslav@592	1202	i += 2;
jaroslav@592	1203	break;
jaroslav@592	1204	}
jaroslav@592	1205	case opc_putfield: {
jaroslav@864	1206	int indx = readUShortArg(byteCodes, i);
jaroslav@592	1207	String[] fi = jc.getFieldInfoName(indx);
jaroslav@592	1208	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1209	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1210	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1211	emit(out, "@4(false)._@3.call(@2, @1);",
jaroslav@592	1212	smapper.popT(type),
jaroslav@592	1213	smapper.popA(), fi[1],
jaroslav@592	1214	mangleClassAccess
jaroslav@592	1215	);
jaroslav@8	1216	i += 2;
jaroslav@8	1217	break;
jaroslav@8	1218	}
jaroslav@151	1219	case opc_getstatic: {
jaroslav@864	1220	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1221	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1222	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1223	emit(out, "var @1 = @2(false)._@3();",
lubomir@317	1224	smapper.pushT(type),
lubomir@317	1225	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1226	i += 2;
jaroslav@151	1227	addReference(fi[0]);
jaroslav@9	1228	break;
jaroslav@9	1229	}
lubomir@281	1230	case opc_putstatic: {
jaroslav@864	1231	int indx = readUShortArg(byteCodes, i);
lubomir@281	1232	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1233	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1234	emit(out, "@1(false)._@2(@3);",
lubomir@317	1235	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1236	smapper.popT(type));
lubomir@281	1237	i += 2;
lubomir@281	1238	addReference(fi[0]);
lubomir@281	1239	break;
lubomir@281	1240	}
jaroslav@151	1241	case opc_checkcast: {
jaroslav@864	1242	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1243	generateCheckcast(indx, smapper);
jaroslav@30	1244	i += 2;
jaroslav@30	1245	break;
jaroslav@30	1246	}
jaroslav@151	1247	case opc_instanceof: {
jaroslav@864	1248	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1249	generateInstanceOf(indx, smapper);
jaroslav@17	1250	i += 2;
jaroslav@30	1251	break;
jaroslav@17	1252	}
jaroslav@151	1253	case opc_athrow: {
lubomir@307	1254	final Variable v = smapper.popA();
lubomir@307	1255	smapper.clear();
lubomir@281	1256
lubomir@474	1257	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1258	smapper.pushA(), v);
jaroslav@104	1259	break;
jaroslav@104	1260	}
lubomir@221	1261
lubomir@221	1262	case opc_monitorenter: {
lubomir@221	1263	out.append("/* monitor enter */");
lubomir@307	1264	smapper.popA();
lubomir@221	1265	break;
lubomir@221	1266	}
lubomir@221	1267
lubomir@221	1268	case opc_monitorexit: {
lubomir@221	1269	out.append("/* monitor exit */");
lubomir@307	1270	smapper.popA();
lubomir@221	1271	break;
lubomir@221	1272	}
lubomir@221	1273
lubomir@585	1274	case opc_wide:
lubomir@585	1275	wide = true;
lubomir@585	1276	break;
lubomir@585	1277
jaroslav@104	1278	default: {
lubomir@585	1279	wide = false;
lubomir@283	1280	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1281	Integer.toString(c));
jaroslav@104	1282	}
jaroslav@0	1283	}
jaroslav@399	1284	if (debug(" //")) {
jaroslav@842	1285	generateByteCodeComment(prev, i, byteCodes);
jaroslav@0	1286	}
tzezula@285	1287	out.append("\n");
jaroslav@0	1288	}
jaroslav@398	1289	if (previousTrap != null) {
jaroslav@843	1290	generateCatch(previousTrap, byteCodes.length, topMostLabel);
jaroslav@398	1291	}
jaroslav@839	1292	out.append("\n }\n");
jaroslav@839	1293	while (openBraces-- > 0) {
jaroslav@839	1294	out.append('}');
jaroslav@839	1295	}
jaroslav@839	1296	out.append("\n};");
jaroslav@4	1297	}
jaroslav@4	1298
jaroslav@843	1299	private int generateIf(byte[] byteCodes, int i, final Variable v2, final Variable v1, final String test, int topMostLabel) throws IOException {
jaroslav@864	1300	int indx = i + readShortArg(byteCodes, i);
lubomir@281	1301	out.append("if (").append(v1)
lubomir@221	1302	.append(' ').append(test).append(' ')
jaroslav@839	1303	.append(v2).append(") ");
jaroslav@843	1304	goTo(out, i, indx, topMostLabel);
jaroslav@4	1305	return i + 2;
jaroslav@4	1306	}
jaroslav@839	1307
lubomir@697	1308	private int readInt4(byte[] byteCodes, int offset) {
lubomir@697	1309	final int d = byteCodes[offset + 0] << 24;
lubomir@697	1310	final int c = byteCodes[offset + 1] << 16;
lubomir@697	1311	final int b = byteCodes[offset + 2] << 8;
lubomir@697	1312	final int a = byteCodes[offset + 3];
jaroslav@115	1313	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1314	}
jaroslav@864	1315	private static int readUByte(byte[] byteCodes, int offset) {
lubomir@697	1316	return byteCodes[offset] & 0xff;
jtulach@128	1317	}
lubomir@585	1318
jaroslav@864	1319	private static int readUShort(byte[] byteCodes, int offset) {
lubomir@697	1320	return ((byteCodes[offset] & 0xff) << 8)
lubomir@697	1321	\| (byteCodes[offset + 1] & 0xff);
lubomir@697	1322	}
jaroslav@864	1323	private static int readUShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1324	return readUShort(byteCodes, offsetInstruction + 1);
jaroslav@864	1325	}
lubomir@697	1326
jaroslav@864	1327	private static int readShort(byte[] byteCodes, int offset) {
jaroslav@864	1328	int signed = byteCodes[offset];
jaroslav@864	1329	byte b0 = (byte)signed;
jaroslav@864	1330	return (b0 << 8) \| (byteCodes[offset + 1] & 0xff);
jaroslav@864	1331	}
jaroslav@864	1332	private static int readShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1333	return readShort(byteCodes, offsetInstruction + 1);
lubomir@585	1334	}
lubomir@585	1335
lubomir@281	1336	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1337	int i = 0;
jaroslav@4	1338	Boolean count = null;
jaroslav@32	1339	boolean array = false;
jaroslav@248	1340	sig.append("__");
jaroslav@10	1341	int firstPos = sig.length();
jaroslav@4	1342	while (i < descriptor.length()) {
jaroslav@4	1343	char ch = descriptor.charAt(i++);
jaroslav@4	1344	switch (ch) {
jaroslav@4	1345	case '(':
jaroslav@4	1346	count = true;
jaroslav@4	1347	continue;
jaroslav@4	1348	case ')':
jaroslav@4	1349	count = false;
jaroslav@4	1350	continue;
jaroslav@4	1351	case 'B':
jaroslav@4	1352	case 'C':
jaroslav@4	1353	case 'D':
jaroslav@4	1354	case 'F':
jaroslav@4	1355	case 'I':
jaroslav@4	1356	case 'J':
jaroslav@4	1357	case 'S':
jaroslav@4	1358	case 'Z':
jaroslav@4	1359	if (count) {
jaroslav@32	1360	if (array) {
jaroslav@248	1361	sig.append("_3");
jaroslav@32	1362	}
jaroslav@4	1363	sig.append(ch);
jtulach@156	1364	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1365	cnt.append('1');
jtulach@156	1366	} else {
jtulach@156	1367	cnt.append('0');
jtulach@156	1368	}
jaroslav@4	1369	} else {
jaroslav@10	1370	sig.insert(firstPos, ch);
jaroslav@32	1371	if (array) {
lubomir@281	1372	returnType[0] = '[';
jaroslav@248	1373	sig.insert(firstPos, "_3");
lubomir@281	1374	} else {
lubomir@281	1375	returnType[0] = ch;
jaroslav@32	1376	}
jaroslav@4	1377	}
jaroslav@93	1378	array = false;
jaroslav@4	1379	continue;
jaroslav@4	1380	case 'V':
jaroslav@4	1381	assert !count;
lubomir@281	1382	returnType[0] = 'V';
jaroslav@10	1383	sig.insert(firstPos, 'V');
jaroslav@4	1384	continue;
jaroslav@4	1385	case 'L':
jaroslav@16	1386	int next = descriptor.indexOf(';', i);
jaroslav@248	1387	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1388	if (count) {
jaroslav@32	1389	if (array) {
jaroslav@248	1390	sig.append("_3");
jaroslav@32	1391	}
jaroslav@248	1392	sig.append(realSig);
jtulach@156	1393	cnt.append('0');
jaroslav@4	1394	} else {
jaroslav@248	1395	sig.insert(firstPos, realSig);
jaroslav@32	1396	if (array) {
jaroslav@248	1397	sig.insert(firstPos, "_3");
jaroslav@32	1398	}
lubomir@281	1399	returnType[0] = 'L';
jaroslav@4	1400	}
jaroslav@16	1401	i = next + 1;
lubomir@407	1402	array = false;
jaroslav@4	1403	continue;
jaroslav@4	1404	case '[':
jaroslav@248	1405	array = true;
jaroslav@4	1406	continue;
jaroslav@4	1407	default:
jaroslav@248	1408	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1409	}
jaroslav@4	1410	}
jaroslav@0	1411	}
jaroslav@248	1412
jaroslav@592	1413	static String mangleSig(String sig) {
jaroslav@592	1414	return mangleSig(sig, 0, sig.length());
jaroslav@592	1415	}
jaroslav@592	1416
jaroslav@248	1417	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1418	StringBuilder sb = new StringBuilder();
jaroslav@248	1419	for (int i = first; i < last; i++) {
jaroslav@248	1420	final char ch = txt.charAt(i);
jaroslav@248	1421	switch (ch) {
jaroslav@248	1422	case '/': sb.append('_'); break;
jaroslav@248	1423	case '_': sb.append("_1"); break;
jaroslav@248	1424	case ';': sb.append("_2"); break;
jaroslav@248	1425	case '[': sb.append("_3"); break;
jaroslav@248	1426	default: sb.append(ch); break;
jaroslav@248	1427	}
jaroslav@248	1428	}
jaroslav@248	1429	return sb.toString();
jaroslav@248	1430	}
jaroslav@9	1431
jaroslav@248	1432	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1433	StringBuilder name = new StringBuilder();
jaroslav@10	1434	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1435	name.append("cons"); // NOI18N
jaroslav@19	1436	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1437	name.append("class"); // NOI18N
jaroslav@10	1438	} else {
jaroslav@42	1439	name.append(m.getName());
jaroslav@10	1440	}
jaroslav@42	1441
lubomir@282	1442	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1443	return name.toString();
jaroslav@10	1444	}
jaroslav@10	1445
lubomir@282	1446	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1447	StringBuilder name = new StringBuilder();
jaroslav@151	1448	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1449	String nm= mi[1];
jaroslav@151	1450	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1451	name.append("cons"); // NOI18N
jaroslav@10	1452	} else {
jaroslav@151	1453	name.append(nm);
jaroslav@10	1454	}
lubomir@282	1455	countArgs(descr, returnType, name, cnt);
jaroslav@10	1456	return name.toString();
jaroslav@10	1457	}
jaroslav@10	1458
lubomir@307	1459	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1460	throws IOException {
jaroslav@864	1461	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1462	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1463	char[] returnType = { 'V' };
jtulach@156	1464	StringBuilder cnt = new StringBuilder();
lubomir@281	1465	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1466
lubomir@221	1467	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1468	final Variable[] vars = new Variable[numArguments];
lubomir@221	1469
lubomir@281	1470	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1471	vars[j] = mapper.pop();
jaroslav@11	1472	}
lubomir@281	1473
lubomir@281	1474	if (returnType[0] != 'V') {
lubomir@474	1475	out.append("var ")
lubomir@474	1476	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1477	.append(" = ");
jaroslav@10	1478	}
lubomir@221	1479
jaroslav@151	1480	final String in = mi[0];
jaroslav@274	1481	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1482	out.append("(false).");
jaroslav@397	1483	if (mn.startsWith("cons_")) {
jaroslav@397	1484	out.append("constructor.");
jaroslav@397	1485	}
jaroslav@10	1486	out.append(mn);
jaroslav@442	1487	if (isStatic) {
jaroslav@442	1488	out.append('(');
jaroslav@442	1489	} else {
jaroslav@442	1490	out.append(".call(");
jaroslav@442	1491	}
lubomir@221	1492	if (numArguments > 0) {
lubomir@281	1493	out.append(vars[0]);
lubomir@281	1494	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1495	out.append(", ");
lubomir@281	1496	out.append(vars[j]);
lubomir@221	1497	}
jaroslav@10	1498	}
lubomir@221	1499	out.append(");");
jaroslav@10	1500	i += 2;
jaroslav@18	1501	addReference(in);
jaroslav@10	1502	return i;
jaroslav@10	1503	}
lubomir@307	1504	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1505	throws IOException {
jaroslav@864	1506	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1507	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1508	char[] returnType = { 'V' };
jtulach@156	1509	StringBuilder cnt = new StringBuilder();
lubomir@281	1510	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1511
lubomir@281	1512	final int numArguments = cnt.length() + 1;
lubomir@281	1513	final Variable[] vars = new Variable[numArguments];
lubomir@221	1514
lubomir@281	1515	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1516	vars[j] = mapper.pop();
jaroslav@12	1517	}
lubomir@221	1518
lubomir@281	1519	if (returnType[0] != 'V') {
lubomir@474	1520	out.append("var ")
lubomir@474	1521	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1522	.append(" = ");
jaroslav@12	1523	}
lubomir@281	1524
lubomir@281	1525	out.append(vars[0]).append('.');
jaroslav@12	1526	out.append(mn);
jaroslav@12	1527	out.append('(');
jaroslav@442	1528	String sep = "";
lubomir@281	1529	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1530	out.append(sep);
lubomir@281	1531	out.append(vars[j]);
jaroslav@442	1532	sep = ", ";
jaroslav@12	1533	}
lubomir@221	1534	out.append(");");
jaroslav@12	1535	i += 2;
jaroslav@12	1536	return i;
jaroslav@12	1537	}
lubomir@221	1538
jaroslav@103	1539	private void addReference(String cn) throws IOException {
jtulach@162	1540	if (requireReference(cn)) {
jaroslav@399	1541	debug(" /* needs " + cn + " */");
jaroslav@18	1542	}
jaroslav@18	1543	}
jaroslav@16	1544
jaroslav@33	1545	private void outType(String d, StringBuilder out) {
jaroslav@33	1546	int arr = 0;
jaroslav@33	1547	while (d.charAt(0) == '[') {
jaroslav@33	1548	out.append('A');
jaroslav@33	1549	d = d.substring(1);
jaroslav@33	1550	}
jaroslav@16	1551	if (d.charAt(0) == 'L') {
jaroslav@16	1552	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1553	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1554	} else {
jaroslav@16	1555	out.append(d);
jaroslav@16	1556	}
jaroslav@16	1557	}
jaroslav@21	1558
jaroslav@230	1559	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1560	String[] classRef = { null };
jaroslav@230	1561	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1562	if (classRef[0] != null) {
jaroslav@567	1563	if (classRef[0].startsWith("[")) {
jaroslav@567	1564	s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
jaroslav@567	1565	} else {
jaroslav@567	1566	addReference(classRef[0]);
jaroslav@567	1567	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@567	1568	}
jaroslav@230	1569	}
jaroslav@151	1570	return s;
jaroslav@21	1571	}
jaroslav@32	1572
lubomir@869	1573	private String javaScriptBody(String destObject, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1574	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1575	if (arr == null) {
jaroslav@266	1576	return null;
jaroslav@152	1577	}
jaroslav@200	1578	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1579	class P extends AnnotationParser {
jaroslav@237	1580	public P() {
jaroslav@652	1581	super(false, true);
jaroslav@237	1582	}
jaroslav@237	1583
jaroslav@152	1584	int cnt;
jaroslav@152	1585	String[] args = new String[30];
jaroslav@152	1586	String body;
jaroslav@94	1587
jaroslav@152	1588	@Override
jaroslav@236	1589	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1590	if (type.equals(jvmType)) {
jaroslav@152	1591	if ("body".equals(attr)) {
jaroslav@152	1592	body = value;
jaroslav@152	1593	} else if ("args".equals(attr)) {
jaroslav@152	1594	args[cnt++] = value;
jaroslav@152	1595	} else {
jaroslav@152	1596	throw new IllegalArgumentException(attr);
jaroslav@152	1597	}
jaroslav@152	1598	}
jaroslav@94	1599	}
jaroslav@94	1600	}
jaroslav@152	1601	P p = new P();
jaroslav@152	1602	p.parse(arr, jc);
jaroslav@152	1603	if (p.body == null) {
jaroslav@266	1604	return null;
jaroslav@152	1605	}
jtulach@156	1606	StringBuilder cnt = new StringBuilder();
jaroslav@266	1607	final String mn = findMethodName(m, cnt);
lubomir@869	1608	out.append(destObject).append(".").append(mn);
jaroslav@203	1609	out.append(" = function(");
jaroslav@442	1610	String space = "";
jaroslav@443	1611	int index = 0;
jtulach@156	1612	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1613	out.append(space);
jaroslav@316	1614	space = outputArg(out, p.args, index);
jaroslav@152	1615	index++;
jaroslav@152	1616	}
jaroslav@152	1617	out.append(") {").append("\n");
jaroslav@152	1618	out.append(p.body);
jaroslav@152	1619	out.append("\n}\n");
jaroslav@266	1620	return mn;
jaroslav@151	1621	}
jaroslav@151	1622	private static String className(ClassData jc) {
jaroslav@151	1623	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1624	return jc.getClassName().replace('/', '_');
jaroslav@94	1625	}
jaroslav@152	1626
jaroslav@152	1627	private static String[] findAnnotation(
jaroslav@152	1628	byte[] arr, ClassData cd, final String className,
jaroslav@152	1629	final String... attrNames
jaroslav@152	1630	) throws IOException {
jaroslav@152	1631	if (arr == null) {
jaroslav@152	1632	return null;
jaroslav@152	1633	}
jaroslav@152	1634	final String[] values = new String[attrNames.length];
jaroslav@152	1635	final boolean[] found = { false };
jaroslav@152	1636	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@652	1637	AnnotationParser ap = new AnnotationParser(false, true) {
jaroslav@152	1638	@Override
jaroslav@236	1639	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1640	if (type.equals(jvmType)) {
jaroslav@152	1641	found[0] = true;
jaroslav@152	1642	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1643	if (attrNames[i].equals(attr)) {
jaroslav@152	1644	values[i] = value;
jaroslav@152	1645	}
jaroslav@152	1646	}
jaroslav@152	1647	}
jaroslav@152	1648	}
jaroslav@152	1649
jaroslav@152	1650	};
jaroslav@152	1651	ap.parse(arr, cd);
jaroslav@152	1652	return found[0] ? values : null;
jaroslav@152	1653	}
jaroslav@173	1654
jaroslav@173	1655	private CharSequence initField(FieldData v) {
jaroslav@173	1656	final String is = v.getInternalSig();
jaroslav@173	1657	if (is.length() == 1) {
jaroslav@173	1658	switch (is.charAt(0)) {
jaroslav@173	1659	case 'S':
jaroslav@173	1660	case 'J':
jaroslav@173	1661	case 'B':
jaroslav@173	1662	case 'Z':
jaroslav@173	1663	case 'C':
jaroslav@173	1664	case 'I': return " = 0;";
jaroslav@173	1665	case 'F':
jaroslav@180	1666	case 'D': return " = 0.0;";
jaroslav@173	1667	default:
jaroslav@173	1668	throw new IllegalStateException(is);
jaroslav@173	1669	}
jaroslav@173	1670	}
jaroslav@173	1671	return " = null;";
jaroslav@173	1672	}
jaroslav@235	1673
jaroslav@655	1674	private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@652	1675	AnnotationParser ap = new AnnotationParser(true, false) {
jaroslav@652	1676	int[] cnt = new int[32];
jaroslav@652	1677	int depth;
jaroslav@235	1678
jaroslav@235	1679	@Override
jaroslav@659	1680	protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
jaroslav@659	1681	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@659	1682	requireReference(slashType);
jaroslav@659	1683
jaroslav@652	1684	if (cnt[depth]++ > 0) {
jaroslav@237	1685	out.append(",");
jaroslav@237	1686	}
jaroslav@659	1687	if (top) {
jaroslav@659	1688	out.append('"').append(attrType).append("\" : ");
jaroslav@659	1689	}
jaroslav@659	1690	out.append("{\n");
jaroslav@652	1691	cnt[++depth] = 0;
jaroslav@235	1692	}
jaroslav@235	1693
jaroslav@235	1694	@Override
jaroslav@659	1695	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@235	1696	out.append("\n}\n");
jaroslav@652	1697	depth--;
jaroslav@652	1698	}
jaroslav@652	1699
jaroslav@652	1700	@Override
jaroslav@652	1701	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@652	1702	if (cnt[depth]++ > 0) {
jaroslav@652	1703	out.append(",\n");
jaroslav@652	1704	}
jaroslav@652	1705	cnt[++depth] = 0;
jaroslav@652	1706	if (attrName != null) {
jaroslav@652	1707	out.append(attrName).append(" : ");
jaroslav@652	1708	}
jaroslav@652	1709	if (type == '[') {
jaroslav@652	1710	out.append("[");
jaroslav@652	1711	}
jaroslav@652	1712	}
jaroslav@652	1713
jaroslav@652	1714	@Override
jaroslav@652	1715	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@652	1716	if (type == '[') {
jaroslav@652	1717	out.append("]");
jaroslav@652	1718	}
jaroslav@652	1719	depth--;
jaroslav@235	1720	}
jaroslav@235	1721
jaroslav@235	1722	@Override
jaroslav@236	1723	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1724	throws IOException {
jaroslav@652	1725	if (attr == null && value == null) {
jaroslav@266	1726	return;
jaroslav@266	1727	}
jaroslav@652	1728	out.append(value);
jaroslav@592	1729	}
jaroslav@655	1730
jaroslav@655	1731	@Override
jaroslav@655	1732	protected void visitEnumAttr(String type, String attr, String attrType, String value)
jaroslav@655	1733	throws IOException {
jaroslav@655	1734	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@655	1735	requireReference(slashType);
jaroslav@655	1736
jaroslav@655	1737	out.append(accessClass(slashType.replace('/', '_')))
jaroslav@655	1738	.append("(false).constructor.").append(value);
jaroslav@235	1739	}
jaroslav@235	1740	};
jaroslav@235	1741	ap.parse(data, cd);
jaroslav@235	1742	}
jaroslav@316	1743
jaroslav@316	1744	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1745	final String name = args[indx];
jaroslav@316	1746	if (name == null) {
jaroslav@316	1747	return "";
jaroslav@316	1748	}
jaroslav@316	1749	if (name.contains(",")) {
jaroslav@316	1750	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1751	}
jaroslav@316	1752	out.append(name);
jaroslav@316	1753	return ",";
jaroslav@316	1754	}
lubomir@317	1755
lubomir@283	1756	private static void emit(final Appendable out,
lubomir@283	1757	final String format,
lubomir@283	1758	final CharSequence... params) throws IOException {
lubomir@283	1759	final int length = format.length();
lubomir@283	1760
lubomir@283	1761	int processed = 0;
lubomir@283	1762	int paramOffset = format.indexOf('@');
lubomir@283	1763	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1764	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1765	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1766	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1767
lubomir@283	1768	out.append(format, processed, paramOffset);
lubomir@283	1769	out.append(params[paramIndex]);
lubomir@283	1770
lubomir@283	1771	++paramOffset;
lubomir@283	1772	processed = paramOffset + 1;
lubomir@283	1773	}
lubomir@283	1774
lubomir@283	1775	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1776	}
lubomir@283	1777
lubomir@283	1778	out.append(format, processed, length);
lubomir@283	1779	}
jaroslav@398	1780
jaroslav@843	1781	private void generateCatch(TrapData[] traps, int current, int topMostLabel) throws IOException {
jaroslav@400	1782	out.append("} catch (e) {\n");
jaroslav@401	1783	int finallyPC = -1;
jaroslav@398	1784	for (TrapData e : traps) {
jaroslav@398	1785	if (e == null) {
jaroslav@398	1786	break;
jaroslav@398	1787	}
jaroslav@398	1788	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1789	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1790	addReference(classInternalName);
jaroslav@423	1791	if ("java/lang/Throwable".equals(classInternalName)) {
lubomir@1082	1792	out.append("if (e['$instOf_java_lang_Throwable']) {");
lubomir@474	1793	out.append(" var stA0 = e;");
jaroslav@423	1794	out.append("} else {");
lubomir@474	1795	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1796	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1797	out.append("}");
jaroslav@843	1798	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1799	} else {
lubomir@1082	1800	out.append("if (e['$instOf_" + classInternalName.replace('/', '_') + "']) {");
jaroslav@839	1801	out.append("var stA0 = e;");
jaroslav@843	1802	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1803	out.append("}\n");
jaroslav@423	1804	}
jaroslav@398	1805	} else {
jaroslav@401	1806	finallyPC = e.handler_pc;
jaroslav@398	1807	}
jaroslav@398	1808	}
jaroslav@401	1809	if (finallyPC == -1) {
jaroslav@401	1810	out.append("throw e;");
jaroslav@401	1811	} else {
jaroslav@839	1812	out.append("var stA0 = e;");
jaroslav@843	1813	goTo(out, current, finallyPC, topMostLabel);
jaroslav@401	1814	}
jaroslav@400	1815	out.append("\n}");
jaroslav@398	1816	}
jaroslav@839	1817
jaroslav@843	1818	private static void goTo(Appendable out, int current, int to, int canBack) throws IOException {
jaroslav@839	1819	if (to < current) {
jaroslav@843	1820	if (canBack < to) {
jaroslav@843	1821	out.append("{ gt = 0; continue X_" + to + "; }");
jaroslav@843	1822	} else {
jaroslav@843	1823	out.append("{ gt = " + to + "; continue X_0; }");
jaroslav@843	1824	}
jaroslav@839	1825	} else {
jaroslav@839	1826	out.append("{ gt = " + to + "; break IF; }");
jaroslav@839	1827	}
jaroslav@839	1828	}
jaroslav@839	1829
jaroslav@843	1830	private static void emitIf(
jaroslav@843	1831	Appendable out, String pattern, Variable param,
jaroslav@843	1832	int current, int to, int canBack
jaroslav@843	1833	) throws IOException {
jaroslav@839	1834	emit(out, pattern, param);
jaroslav@843	1835	goTo(out, current, to, canBack);
jaroslav@839	1836	}
jaroslav@842	1837
jaroslav@842	1838	private void generateNewArray(int atype, final StackMapper smapper) throws IOException, IllegalStateException {
jaroslav@842	1839	String jvmType;
jaroslav@842	1840	switch (atype) {
jaroslav@842	1841	case 4: jvmType = "[Z"; break;
jaroslav@842	1842	case 5: jvmType = "[C"; break;
jaroslav@842	1843	case 6: jvmType = "[F"; break;
jaroslav@842	1844	case 7: jvmType = "[D"; break;
jaroslav@842	1845	case 8: jvmType = "[B"; break;
jaroslav@842	1846	case 9: jvmType = "[S"; break;
jaroslav@842	1847	case 10: jvmType = "[I"; break;
jaroslav@842	1848	case 11: jvmType = "[J"; break;
jaroslav@842	1849	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@842	1850	}
jaroslav@842	1851	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@842	1852	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@842	1853	}
jaroslav@842	1854
jaroslav@842	1855	private void generateANewArray(int type, final StackMapper smapper) throws IOException {
jaroslav@842	1856	String typeName = jc.getClassName(type);
jaroslav@842	1857	if (typeName.startsWith("[")) {
jaroslav@842	1858	typeName = "[" + typeName;
jaroslav@842	1859	} else {
jaroslav@842	1860	typeName = "[L" + typeName + ";";
jaroslav@842	1861	}
jaroslav@842	1862	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@842	1863	smapper.popI(), smapper.pushA(), typeName);
jaroslav@842	1864	}
jaroslav@842	1865
jaroslav@842	1866	private int generateMultiANewArray(int type, final byte[] byteCodes, int i, final StackMapper smapper) throws IOException {
jaroslav@842	1867	String typeName = jc.getClassName(type);
jaroslav@842	1868	int dim = readUByte(byteCodes, ++i);
jaroslav@842	1869	StringBuilder dims = new StringBuilder();
jaroslav@842	1870	dims.append('[');
jaroslav@842	1871	for (int d = 0; d < dim; d++) {
jaroslav@842	1872	if (d != 0) {
jaroslav@842	1873	dims.insert(1, ",");
jaroslav@842	1874	}
jaroslav@842	1875	dims.insert(1, smapper.popI());
jaroslav@842	1876	}
jaroslav@842	1877	dims.append(']');
jaroslav@842	1878	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@842	1879	dims.toString(), smapper.pushA(), typeName);
jaroslav@842	1880	return i;
jaroslav@842	1881	}
jaroslav@842	1882
jaroslav@843	1883	private int generateTableSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1884	int table = i / 4 * 4 + 4;
jaroslav@842	1885	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1886	table += 4;
jaroslav@842	1887	int low = readInt4(byteCodes, table);
jaroslav@842	1888	table += 4;
jaroslav@842	1889	int high = readInt4(byteCodes, table);
jaroslav@842	1890	table += 4;
jaroslav@842	1891	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1892	while (low <= high) {
jaroslav@842	1893	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1894	table += 4;
jaroslav@843	1895	out.append(" case " + low).append(":"); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1896	low++;
jaroslav@842	1897	}
jaroslav@842	1898	out.append(" default: ");
jaroslav@843	1899	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1900	out.append("\n}");
jaroslav@842	1901	i = table - 1;
jaroslav@842	1902	return i;
jaroslav@842	1903	}
jaroslav@842	1904
jaroslav@843	1905	private int generateLookupSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1906	int table = i / 4 * 4 + 4;
jaroslav@842	1907	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1908	table += 4;
jaroslav@842	1909	int n = readInt4(byteCodes, table);
jaroslav@842	1910	table += 4;
jaroslav@842	1911	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1912	while (n-- > 0) {
jaroslav@842	1913	int cnstnt = readInt4(byteCodes, table);
jaroslav@842	1914	table += 4;
jaroslav@842	1915	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1916	table += 4;
jaroslav@843	1917	out.append(" case " + cnstnt).append(": "); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1918	}
jaroslav@842	1919	out.append(" default: ");
jaroslav@843	1920	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1921	out.append("\n}");
jaroslav@842	1922	i = table - 1;
jaroslav@842	1923	return i;
jaroslav@842	1924	}
jaroslav@842	1925
jaroslav@842	1926	private void generateInstanceOf(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1927	final String type = jc.getClassName(indx);
jaroslav@842	1928	if (!type.startsWith("[")) {
lubomir@1082	1929	emit(out, "var @2 = @1 != null && @1['$instOf_@3'] ? 1 : 0;",
jaroslav@842	1930	smapper.popA(), smapper.pushI(),
jaroslav@842	1931	type.replace('/', '_'));
jaroslav@842	1932	} else {
jaroslav@842	1933	emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
jaroslav@842	1934	smapper.popA(), smapper.pushI(),
jaroslav@842	1935	type
jaroslav@842	1936	);
jaroslav@842	1937	}
jaroslav@842	1938	}
jaroslav@842	1939
jaroslav@842	1940	private void generateCheckcast(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1941	final String type = jc.getClassName(indx);
jaroslav@842	1942	if (!type.startsWith("[")) {
jaroslav@842	1943	emit(out,
lubomir@1082	1944	"if (@1 !== null && !@1['$instOf_@2']) throw vm.java_lang_ClassCastException(true);",
jaroslav@842	1945	smapper.getA(0), type.replace('/', '_'));
jaroslav@842	1946	} else {
jaroslav@842	1947	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	1948	smapper.getA(0), type
jaroslav@842	1949	);
jaroslav@842	1950	}
jaroslav@842	1951	}
jaroslav@842	1952
jaroslav@842	1953	private void generateByteCodeComment(int prev, int i, final byte[] byteCodes) throws IOException {
jaroslav@842	1954	for (int j = prev; j <= i; j++) {
jaroslav@842	1955	out.append(" ");
jaroslav@842	1956	final int cc = readUByte(byteCodes, j);
jaroslav@842	1957	out.append(Integer.toString(cc));
jaroslav@842	1958	}
jaroslav@842	1959	}
jaroslav@0	1960	}

author	Lubomir Nerad <lubomir.nerad@oracle.com>
	Mon, 06 May 2013 11:57:29 +0200
branch	closure
changeset 1083	9d6130cb464f
parent 1082	977cc6141083
child 1084	f5c9934a252c
permissions	-rw-r--r--