hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@8ece59d31fcf (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
jtulach@162	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	}
jaroslav@399	61
jaroslav@399	62	/** Prints out a debug message.
jaroslav@399	63	*
jaroslav@399	64	* @param msg the message
jaroslav@399	65	* @return true if the message has been printed
jaroslav@399	66	* @throws IOException
jaroslav@399	67	*/
jaroslav@399	68	boolean debug(String msg) throws IOException {
jaroslav@399	69	out.append(msg);
jaroslav@399	70	return true;
jaroslav@399	71	}
jaroslav@18	72
jaroslav@18	73	/**
jaroslav@18	74	* Converts a given class file to a JavaScript version.
jaroslav@18	75	*
jaroslav@0	76	* @param classFile input stream with code of the .class file
jaroslav@97	77	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	78	*
jaroslav@0	79	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	80	*/
jaroslav@18	81
jtulach@162	82	public String compile(InputStream classFile) throws IOException {
jtulach@162	83	this.jc = new ClassData(classFile);
jaroslav@324	84	if (jc.getMajor_version() < 50) {
jaroslav@324	85	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	86	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	87	);
jaroslav@324	88	}
jaroslav@152	89	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	90	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	91	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	92	"resource", "processByteCode"
jaroslav@170	93	);
jaroslav@152	94	if (arr != null) {
jtulach@162	95	requireScript(arr[0]);
jaroslav@152	96	if ("0".equals(arr[1])) {
jaroslav@97	97	return null;
jaroslav@91	98	}
jaroslav@91	99	}
jaroslav@239	100	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	101	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	102	"container", "prototype"
jaroslav@239	103	);
jtulach@162	104	StringArray toInitilize = new StringArray();
jaroslav@151	105	final String className = className(jc);
jaroslav@213	106	out.append("\n\n").append(assignClass(className));
jaroslav@213	107	out.append("function CLS() {");
jaroslav@711	108	out.append("\n if (!CLS.$class) {");
jaroslav@239	109	if (proto == null) {
jaroslav@239	110	String sc = jc.getSuperClassName(); // with _
jaroslav@230	111	out.append("\n var pp = ").
jaroslav@274	112	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	113	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	114	out.append("\n var c = p;");
jaroslav@230	115	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	116	} else {
jaroslav@240	117	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	118	if (proto[0] == null) {
jaroslav@316	119	proto[0] = "p";
jaroslav@316	120	}
jaroslav@239	121	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	122	out.append("\n var sprcls = null;");
jaroslav@13	123	}
jaroslav@592	124	for (FieldData v : jc.getFields()) {
jaroslav@592	125	if (v.isStatic()) {
jaroslav@592	126	out.append("\n CLS.").append(v.getName()).append(initField(v));
jaroslav@775	127	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@775	128	.append(" if (arguments.length == 1) CLS.").append(v.getName())
jaroslav@775	129	.append(" = v; return CLS.").
jaroslav@775	130	append(v.getName()).append("; };");
jaroslav@592	131	} else {
jaroslav@592	132	out.append("\n c._").append(v.getName()).append(" = function (v) {")
jaroslav@592	133	.append(" if (arguments.length == 1) this.fld_").
jaroslav@592	134	append(className).append('_').append(v.getName())
jaroslav@592	135	.append(" = v; return this.fld_").
jaroslav@592	136	append(className).append('_').append(v.getName())
jaroslav@592	137	.append("; };");
jaroslav@592	138	}
jaroslav@592	139	}
jaroslav@151	140	for (MethodData m : jc.getMethods()) {
jaroslav@240	141	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	142	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	143	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	144	"name", "value"
jaroslav@240	145	);
jaroslav@240	146	if (only != null) {
jaroslav@240	147	if (only[0] != null && only[1] != null) {
jaroslav@240	148	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	149	.append(only[1]).append(";");
jaroslav@240	150	}
jaroslav@240	151	continue;
jaroslav@240	152	}
jaroslav@397	153	String prefix;
jaroslav@266	154	String mn;
jaroslav@203	155	if (m.isStatic()) {
jaroslav@397	156	prefix = "\n c.";
jaroslav@397	157	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	158	} else {
jaroslav@397	159	if (m.isConstructor()) {
jaroslav@397	160	prefix = "\n CLS.";
jaroslav@397	161	mn = generateInstanceMethod(prefix, m);
jaroslav@397	162	} else {
jaroslav@397	163	prefix = "\n c.";
jaroslav@397	164	mn = generateInstanceMethod(prefix, m);
jaroslav@397	165	}
jaroslav@266	166	}
jaroslav@266	167	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	168	if (runAnno != null) {
jaroslav@397	169	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	170	generateAnno(jc, out, runAnno);
jaroslav@266	171	out.append("\n };");
jaroslav@38	172	}
jaroslav@397	173	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@654	174	out.append(prefix).append(mn).append(".cls = CLS;");
jaroslav@38	175	}
jaroslav@239	176	out.append("\n c.constructor = CLS;");
jaroslav@239	177	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	178	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	179	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	180	}
jaroslav@711	181	out.append("\n CLS.$class = 'temp';");
jaroslav@274	182	out.append("\n CLS.$class = ");
jaroslav@274	183	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	184	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	185	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	186	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	187	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	188	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	189	if (classAnno != null) {
jaroslav@235	190	out.append("\n CLS.$class.anno = {");
jaroslav@235	191	generateAnno(jc, out, classAnno);
jaroslav@235	192	out.append("\n };");
jaroslav@235	193	}
jaroslav@834	194	for (String init : toInitilize.toArray()) {
jaroslav@834	195	out.append("\n ").append(init).append("();");
jaroslav@834	196	}
jaroslav@204	197	out.append("\n }");
jaroslav@205	198	out.append("\n if (arguments.length === 0) {");
jaroslav@226	199	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	200	out.append("\n return new CLS();");
jaroslav@226	201	out.append("\n }");
jaroslav@205	202	for (FieldData v : jc.getFields()) {
jaroslav@240	203	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	204	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	205	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	206	"name", "value"
jaroslav@240	207	);
jaroslav@240	208	if (only != null) {
jaroslav@240	209	if (only[0] != null && only[1] != null) {
jaroslav@240	210	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	211	.append(only[1]).append(";");
jaroslav@240	212	}
jaroslav@240	213	continue;
jaroslav@240	214	}
jaroslav@205	215	if (!v.isStatic()) {
jaroslav@205	216	out.append("\n this.fld_").
jaroslav@592	217	append(className).append('_').
jaroslav@205	218	append(v.getName()).append(initField(v));
jaroslav@205	219	}
jaroslav@205	220	}
jaroslav@205	221	out.append("\n return this;");
jaroslav@205	222	out.append("\n }");
jaroslav@224	223	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@509	224	out.append("\n};");
jaroslav@834	225	// StringBuilder sb = new StringBuilder();
jaroslav@834	226	// for (String init : toInitilize.toArray()) {
jaroslav@834	227	// sb.append("\n").append(init).append("();");
jaroslav@834	228	// }
jaroslav@834	229	return "";
jaroslav@0	230	}
jaroslav@266	231	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	232	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	233	if (jsb != null) {
jaroslav@266	234	return jsb;
jaroslav@94	235	}
lubomir@307	236	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	237	if (mn.equals("class__V")) {
jaroslav@274	238	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	239	}
lubomir@307	240	generateMethod(prefix, mn, m);
jaroslav@266	241	return mn;
jaroslav@10	242	}
lubomir@307	243
jaroslav@266	244	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	245	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	246	if (jsb != null) {
jaroslav@266	247	return jsb;
jaroslav@94	248	}
lubomir@307	249	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	250	generateMethod(prefix, mn, m);
jaroslav@266	251	return mn;
jaroslav@0	252	}
jaroslav@0	253
lubomir@307	254	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	255	throws IOException {
lubomir@307	256	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	257	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	258	final LocalsMapper lmapper =
lubomir@307	259	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	260
lubomir@307	261	out.append(prefix).append(name).append(" = function(");
jaroslav@442	262	lmapper.outputArguments(out, m.isStatic());
lubomir@307	263	out.append(") {").append("\n");
lubomir@307	264
lubomir@221	265	final byte[] byteCodes = m.getCode();
lubomir@307	266	if (byteCodes == null) {
lubomir@307	267	out.append(" throw 'no code found for ")
jaroslav@424	268	.append(jc.getClassName()).append('.')
jaroslav@424	269	.append(m.getName()).append("';\n");
lubomir@307	270	out.append("};");
lubomir@307	271	return;
lubomir@307	272	}
lubomir@307	273
lubomir@307	274	final StackMapper smapper = new StackMapper();
lubomir@307	275
jaroslav@442	276	if (!m.isStatic()) {
jaroslav@442	277	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	278	}
lubomir@221	279
lubomir@221	280	int lastStackFrame = -1;
jaroslav@398	281	TrapData[] previousTrap = null;
lubomir@585	282	boolean wide = false;
jaroslav@398	283
jaroslav@839	284	out.append("\n var gt = 0;\n");
jaroslav@839	285	int openBraces = 0;
jaroslav@843	286	int topMostLabel = 0;
jaroslav@0	287	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	288	int prev = i;
lubomir@221	289	stackMapIterator.advanceTo(i);
jaroslav@398	290	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	291	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	292	if (previousTrap != null) {
jaroslav@843	293	generateCatch(previousTrap, i, topMostLabel);
jaroslav@398	294	previousTrap = null;
jaroslav@398	295	}
jaroslav@398	296	}
lubomir@221	297	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@839	298	if (i != 0) {
jaroslav@839	299	out.append(" }\n");
jaroslav@839	300	}
jaroslav@843	301	if (openBraces > 64) {
jaroslav@843	302	for (int c = 0; c < 64; c++) {
jaroslav@843	303	out.append("break;}\n");
jaroslav@843	304	}
jaroslav@843	305	openBraces = 1;
jaroslav@843	306	topMostLabel = i;
jaroslav@843	307	}
jaroslav@839	308
lubomir@221	309	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	310	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	311	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@839	312	out.append(" X_" + i).append(": for (;;) { IF: if (gt <= " + i + ") {\n");
jaroslav@839	313	openBraces++;
jaroslav@398	314	changeInCatch = true;
lubomir@221	315	} else {
jaroslav@399	316	debug(" /* " + i + " */ ");
lubomir@221	317	}
jaroslav@398	318	if (changeInCatch && trap.useTry()) {
tzezula@285	319	out.append("try {");
jaroslav@398	320	previousTrap = trap.current();
tzezula@285	321	}
lubomir@585	322	final int c = readUByte(byteCodes, i);
jaroslav@0	323	switch (c) {
jaroslav@151	324	case opc_aload_0:
lubomir@474	325	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	326	break;
jaroslav@151	327	case opc_iload_0:
lubomir@474	328	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	329	break;
jaroslav@151	330	case opc_lload_0:
lubomir@474	331	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	332	break;
jaroslav@151	333	case opc_fload_0:
lubomir@474	334	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	335	break;
jaroslav@151	336	case opc_dload_0:
lubomir@474	337	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	338	break;
jaroslav@151	339	case opc_aload_1:
lubomir@474	340	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	341	break;
jaroslav@151	342	case opc_iload_1:
lubomir@474	343	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	344	break;
jaroslav@151	345	case opc_lload_1:
lubomir@474	346	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	347	break;
jaroslav@151	348	case opc_fload_1:
lubomir@474	349	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	350	break;
jaroslav@151	351	case opc_dload_1:
lubomir@474	352	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	353	break;
jaroslav@151	354	case opc_aload_2:
lubomir@474	355	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	356	break;
jaroslav@151	357	case opc_iload_2:
lubomir@474	358	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	359	break;
jaroslav@151	360	case opc_lload_2:
lubomir@474	361	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	362	break;
jaroslav@151	363	case opc_fload_2:
lubomir@474	364	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	365	break;
jaroslav@151	366	case opc_dload_2:
lubomir@474	367	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	368	break;
jaroslav@151	369	case opc_aload_3:
lubomir@474	370	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	371	break;
jaroslav@151	372	case opc_iload_3:
lubomir@474	373	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	374	break;
jaroslav@151	375	case opc_lload_3:
lubomir@474	376	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	377	break;
jaroslav@151	378	case opc_fload_3:
lubomir@474	379	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	380	break;
jaroslav@151	381	case opc_dload_3:
lubomir@474	382	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	383	break;
lubomir@281	384	case opc_iload: {
lubomir@585	385	++i;
lubomir@585	386	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	387	: readUByte(byteCodes, i);
lubomir@585	388	wide = false;
lubomir@474	389	emit(out, "var @1 = @2;",
lubomir@474	390	smapper.pushI(), lmapper.getI(indx));
lubomir@281	391	break;
lubomir@281	392	}
lubomir@281	393	case opc_lload: {
lubomir@585	394	++i;
lubomir@585	395	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	396	: readUByte(byteCodes, i);
lubomir@585	397	wide = false;
lubomir@474	398	emit(out, "var @1 = @2;",
lubomir@474	399	smapper.pushL(), lmapper.getL(indx));
lubomir@281	400	break;
lubomir@281	401	}
lubomir@281	402	case opc_fload: {
lubomir@585	403	++i;
lubomir@585	404	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	405	: readUByte(byteCodes, i);
lubomir@585	406	wide = false;
lubomir@474	407	emit(out, "var @1 = @2;",
lubomir@474	408	smapper.pushF(), lmapper.getF(indx));
lubomir@281	409	break;
lubomir@281	410	}
lubomir@281	411	case opc_dload: {
lubomir@585	412	++i;
lubomir@585	413	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	414	: readUByte(byteCodes, i);
lubomir@585	415	wide = false;
lubomir@474	416	emit(out, "var @1 = @2;",
lubomir@474	417	smapper.pushD(), lmapper.getD(indx));
lubomir@281	418	break;
lubomir@281	419	}
jaroslav@151	420	case opc_aload: {
lubomir@585	421	++i;
lubomir@585	422	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	423	: readUByte(byteCodes, i);
lubomir@585	424	wide = false;
lubomir@474	425	emit(out, "var @1 = @2;",
lubomir@474	426	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	427	break;
jaroslav@3	428	}
lubomir@281	429	case opc_istore: {
lubomir@585	430	++i;
lubomir@585	431	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	432	: readUByte(byteCodes, i);
lubomir@585	433	wide = false;
lubomir@474	434	emit(out, "var @1 = @2;",
lubomir@474	435	lmapper.setI(indx), smapper.popI());
lubomir@281	436	break;
lubomir@281	437	}
lubomir@281	438	case opc_lstore: {
lubomir@585	439	++i;
lubomir@585	440	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	441	: readUByte(byteCodes, i);
lubomir@585	442	wide = false;
lubomir@474	443	emit(out, "var @1 = @2;",
lubomir@474	444	lmapper.setL(indx), smapper.popL());
lubomir@281	445	break;
lubomir@281	446	}
lubomir@281	447	case opc_fstore: {
lubomir@585	448	++i;
lubomir@585	449	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	450	: readUByte(byteCodes, i);
lubomir@585	451	wide = false;
lubomir@474	452	emit(out, "var @1 = @2;",
lubomir@474	453	lmapper.setF(indx), smapper.popF());
lubomir@281	454	break;
lubomir@281	455	}
lubomir@281	456	case opc_dstore: {
lubomir@585	457	++i;
lubomir@585	458	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	459	: readUByte(byteCodes, i);
lubomir@585	460	wide = false;
lubomir@474	461	emit(out, "var @1 = @2;",
lubomir@474	462	lmapper.setD(indx), smapper.popD());
lubomir@281	463	break;
lubomir@281	464	}
jaroslav@151	465	case opc_astore: {
lubomir@585	466	++i;
lubomir@585	467	final int indx = wide ? readUShort(byteCodes, i++)
lubomir@585	468	: readUByte(byteCodes, i);
lubomir@585	469	wide = false;
lubomir@474	470	emit(out, "var @1 = @2;",
lubomir@474	471	lmapper.setA(indx), smapper.popA());
jaroslav@31	472	break;
jaroslav@31	473	}
jaroslav@151	474	case opc_astore_0:
lubomir@474	475	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	476	break;
jaroslav@151	477	case opc_istore_0:
lubomir@474	478	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	479	break;
jaroslav@151	480	case opc_lstore_0:
lubomir@474	481	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	482	break;
jaroslav@151	483	case opc_fstore_0:
lubomir@474	484	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	485	break;
jaroslav@151	486	case opc_dstore_0:
lubomir@474	487	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	488	break;
jaroslav@151	489	case opc_astore_1:
lubomir@474	490	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	491	break;
jaroslav@151	492	case opc_istore_1:
lubomir@474	493	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	494	break;
jaroslav@151	495	case opc_lstore_1:
lubomir@474	496	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	497	break;
jaroslav@151	498	case opc_fstore_1:
lubomir@474	499	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	500	break;
jaroslav@151	501	case opc_dstore_1:
lubomir@474	502	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	503	break;
jaroslav@151	504	case opc_astore_2:
lubomir@474	505	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	506	break;
jaroslav@151	507	case opc_istore_2:
lubomir@474	508	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	509	break;
jaroslav@151	510	case opc_lstore_2:
lubomir@474	511	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	512	break;
jaroslav@151	513	case opc_fstore_2:
lubomir@474	514	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	515	break;
jaroslav@151	516	case opc_dstore_2:
lubomir@474	517	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	518	break;
jaroslav@151	519	case opc_astore_3:
lubomir@474	520	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	521	break;
jaroslav@151	522	case opc_istore_3:
lubomir@474	523	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	524	break;
jaroslav@151	525	case opc_lstore_3:
lubomir@474	526	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	527	break;
jaroslav@151	528	case opc_fstore_3:
lubomir@474	529	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	530	break;
jaroslav@151	531	case opc_dstore_3:
lubomir@474	532	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	533	break;
jaroslav@151	534	case opc_iadd:
Martin@445	535	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	536	break;
jaroslav@151	537	case opc_ladd:
Martin@582	538	emit(out, "@1 = @1.add64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	539	break;
jaroslav@151	540	case opc_fadd:
lubomir@307	541	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	542	break;
jaroslav@151	543	case opc_dadd:
lubomir@307	544	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	545	break;
jaroslav@151	546	case opc_isub:
Martin@445	547	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	548	break;
jaroslav@151	549	case opc_lsub:
Martin@620	550	emit(out, "@1 = @1.sub64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	551	break;
jaroslav@151	552	case opc_fsub:
lubomir@307	553	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	554	break;
jaroslav@151	555	case opc_dsub:
lubomir@307	556	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	557	break;
jaroslav@151	558	case opc_imul:
Martin@445	559	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	560	break;
jaroslav@151	561	case opc_lmul:
Martin@657	562	emit(out, "@1 = @1.mul64(@2);", smapper.getL(1), smapper.popL());
lubomir@281	563	break;
jaroslav@151	564	case opc_fmul:
lubomir@307	565	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	566	break;
jaroslav@151	567	case opc_dmul:
lubomir@307	568	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	569	break;
jaroslav@151	570	case opc_idiv:
lubomir@737	571	emit(out, "@1 = @1.div32(@2);",
lubomir@307	572	smapper.getI(1), smapper.popI());
lubomir@281	573	break;
jaroslav@151	574	case opc_ldiv:
Martin@582	575	emit(out, "@1 = @1.div64(@2);",
lubomir@307	576	smapper.getL(1), smapper.popL());
jaroslav@3	577	break;
jaroslav@151	578	case opc_fdiv:
lubomir@307	579	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	580	break;
jaroslav@151	581	case opc_ddiv:
lubomir@307	582	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	583	break;
jaroslav@178	584	case opc_irem:
lubomir@737	585	emit(out, "@1 = @1.mod32(@2);",
lubomir@737	586	smapper.getI(1), smapper.popI());
lubomir@281	587	break;
jaroslav@178	588	case opc_lrem:
lubomir@676	589	emit(out, "@1 = @1.mod64(@2);",
lubomir@676	590	smapper.getL(1), smapper.popL());
lubomir@281	591	break;
jaroslav@178	592	case opc_frem:
lubomir@307	593	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	594	break;
jaroslav@178	595	case opc_drem:
lubomir@307	596	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	597	break;
jaroslav@151	598	case opc_iand:
lubomir@307	599	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	600	break;
jaroslav@151	601	case opc_land:
Martin@615	602	emit(out, "@1 = @1.and64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	603	break;
jaroslav@151	604	case opc_ior:
lubomir@307	605	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	606	break;
jaroslav@151	607	case opc_lor:
Martin@627	608	emit(out, "@1 = @1.or64(@2);", smapper.getL(1), smapper.popL());
jaroslav@7	609	break;
jaroslav@151	610	case opc_ixor:
lubomir@307	611	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	612	break;
jaroslav@151	613	case opc_lxor:
lubomir@679	614	emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
jaroslav@6	615	break;
jaroslav@151	616	case opc_ineg:
Martin@700	617	emit(out, "@1 = @1.neg32();", smapper.getI(0));
lubomir@281	618	break;
jaroslav@151	619	case opc_lneg:
Martin@630	620	emit(out, "@1 = @1.neg64();", smapper.getL(0));
lubomir@281	621	break;
jaroslav@151	622	case opc_fneg:
lubomir@307	623	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	624	break;
jaroslav@151	625	case opc_dneg:
lubomir@307	626	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	627	break;
jaroslav@151	628	case opc_ishl:
lubomir@307	629	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	630	break;
jaroslav@151	631	case opc_lshl:
Martin@582	632	emit(out, "@1 = @1.shl64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	633	break;
jaroslav@151	634	case opc_ishr:
lubomir@307	635	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	636	break;
jaroslav@151	637	case opc_lshr:
Martin@615	638	emit(out, "@1 = @1.shr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	639	break;
jaroslav@151	640	case opc_iushr:
lubomir@307	641	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	642	break;
jaroslav@151	643	case opc_lushr:
Martin@629	644	emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
jaroslav@93	645	break;
jaroslav@151	646	case opc_iinc: {
lubomir@585	647	++i;
lubomir@585	648	final int varIndx = wide ? readUShort(byteCodes, i++)
lubomir@585	649	: readUByte(byteCodes, i);
lubomir@585	650	++i;
lubomir@697	651	final int incrBy = wide ? readShort(byteCodes, i++)
lubomir@585	652	: byteCodes[i];
lubomir@585	653	wide = false;
jaroslav@5	654	if (incrBy == 1) {
lubomir@307	655	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	656	} else {
lubomir@307	657	emit(out, "@1 += @2;",
lubomir@307	658	lmapper.getI(varIndx),
lubomir@283	659	Integer.toString(incrBy));
jaroslav@5	660	}
jaroslav@5	661	break;
jaroslav@5	662	}
jaroslav@151	663	case opc_return:
lubomir@283	664	emit(out, "return;");
jaroslav@10	665	break;
jaroslav@151	666	case opc_ireturn:
lubomir@307	667	emit(out, "return @1;", smapper.popI());
lubomir@281	668	break;
jaroslav@151	669	case opc_lreturn:
lubomir@307	670	emit(out, "return @1;", smapper.popL());
lubomir@281	671	break;
jaroslav@151	672	case opc_freturn:
lubomir@307	673	emit(out, "return @1;", smapper.popF());
lubomir@281	674	break;
jaroslav@151	675	case opc_dreturn:
lubomir@307	676	emit(out, "return @1;", smapper.popD());
lubomir@281	677	break;
jaroslav@151	678	case opc_areturn:
lubomir@307	679	emit(out, "return @1;", smapper.popA());
jaroslav@1	680	break;
jaroslav@151	681	case opc_i2l:
lubomir@474	682	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	683	break;
jaroslav@151	684	case opc_i2f:
lubomir@474	685	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	686	break;
jaroslav@151	687	case opc_i2d:
lubomir@474	688	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	689	break;
jaroslav@151	690	case opc_l2i:
Martin@582	691	emit(out, "var @2 = @1.toInt32();", smapper.popL(), smapper.pushI());
lubomir@281	692	break;
jaroslav@3	693	// max int check?
jaroslav@151	694	case opc_l2f:
Martin@582	695	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushF());
jaroslav@272	696	break;
jaroslav@151	697	case opc_l2d:
Martin@582	698	emit(out, "var @2 = @1.toFP();", smapper.popL(), smapper.pushD());
jaroslav@272	699	break;
jaroslav@151	700	case opc_f2d:
lubomir@474	701	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	702	break;
jaroslav@151	703	case opc_d2f:
lubomir@474	704	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	705	break;
jaroslav@151	706	case opc_f2i:
lubomir@778	707	emit(out, "var @2 = @1.toInt32();",
lubomir@307	708	smapper.popF(), smapper.pushI());
lubomir@281	709	break;
jaroslav@151	710	case opc_f2l:
lubomir@778	711	emit(out, "var @2 = @1.toLong();",
lubomir@307	712	smapper.popF(), smapper.pushL());
lubomir@281	713	break;
jaroslav@151	714	case opc_d2i:
lubomir@778	715	emit(out, "var @2 = @1.toInt32();",
lubomir@307	716	smapper.popD(), smapper.pushI());
lubomir@281	717	break;
jaroslav@151	718	case opc_d2l:
lubomir@778	719	emit(out, "var @2 = @1.toLong();",
lubomir@307	720	smapper.popD(), smapper.pushL());
jaroslav@3	721	break;
jaroslav@151	722	case opc_i2b:
lubomir@474	723	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	724	break;
jaroslav@151	725	case opc_i2c:
Martin@439	726	out.append("{ /* number conversion */ }");
Martin@439	727	break;
jaroslav@151	728	case opc_i2s:
lubomir@474	729	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	730	break;
jaroslav@151	731	case opc_aconst_null:
lubomir@474	732	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	733	break;
jaroslav@151	734	case opc_iconst_m1:
lubomir@474	735	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	736	break;
jaroslav@151	737	case opc_iconst_0:
lubomir@474	738	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	739	break;
jaroslav@151	740	case opc_dconst_0:
lubomir@474	741	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	742	break;
jaroslav@151	743	case opc_lconst_0:
lubomir@474	744	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	745	break;
jaroslav@151	746	case opc_fconst_0:
lubomir@474	747	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	748	break;
jaroslav@151	749	case opc_iconst_1:
lubomir@474	750	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	751	break;
jaroslav@151	752	case opc_lconst_1:
lubomir@474	753	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	754	break;
jaroslav@151	755	case opc_fconst_1:
lubomir@474	756	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	757	break;
jaroslav@151	758	case opc_dconst_1:
lubomir@474	759	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	760	break;
jaroslav@151	761	case opc_iconst_2:
lubomir@474	762	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	763	break;
jaroslav@151	764	case opc_fconst_2:
lubomir@474	765	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	766	break;
jaroslav@151	767	case opc_iconst_3:
lubomir@474	768	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	769	break;
jaroslav@151	770	case opc_iconst_4:
lubomir@474	771	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	772	break;
jaroslav@151	773	case opc_iconst_5:
lubomir@474	774	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	775	break;
jaroslav@151	776	case opc_ldc: {
lubomir@585	777	int indx = readUByte(byteCodes, ++i);
jaroslav@151	778	String v = encodeConstant(indx);
lubomir@307	779	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	780	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	781	break;
jaroslav@20	782	}
jaroslav@151	783	case opc_ldc_w:
jaroslav@151	784	case opc_ldc2_w: {
jaroslav@864	785	int indx = readUShortArg(byteCodes, i);
jaroslav@8	786	i += 2;
jaroslav@151	787	String v = encodeConstant(indx);
lubomir@307	788	int type = VarType.fromConstantType(jc.getTag(indx));
Martin@582	789	if (type == VarType.LONG) {
Martin@582	790	final Long lv = new Long(v);
Martin@582	791	final int low = (int)(lv.longValue() & 0xFFFFFFFF);
Martin@582	792	final int hi = (int)(lv.longValue() >> 32);
Martin@594	793	emit(out, "var @1 = 0x@3.next32(0x@2);", smapper.pushL(),
Martin@582	794	Integer.toHexString(low), Integer.toHexString(hi));
Martin@582	795	} else {
Martin@582	796	emit(out, "var @1 = @2;", smapper.pushT(type), v);
Martin@582	797	}
jaroslav@8	798	break;
jaroslav@8	799	}
jaroslav@151	800	case opc_lcmp:
Martin@582	801	emit(out, "var @3 = @2.compare64(@1);",
lubomir@307	802	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	803	break;
jaroslav@151	804	case opc_fcmpl:
jaroslav@151	805	case opc_fcmpg:
lubomir@474	806	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	807	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	808	break;
jaroslav@151	809	case opc_dcmpl:
lubomir@281	810	case opc_dcmpg:
lubomir@474	811	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	812	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	813	break;
jaroslav@151	814	case opc_if_acmpeq:
lubomir@307	815	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	816	"===", topMostLabel);
jaroslav@104	817	break;
jaroslav@151	818	case opc_if_acmpne:
lubomir@307	819	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
jaroslav@843	820	"!==", topMostLabel);
jaroslav@104	821	break;
lubomir@283	822	case opc_if_icmpeq:
lubomir@307	823	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	824	"==", topMostLabel);
jaroslav@4	825	break;
jaroslav@151	826	case opc_ifeq: {
jaroslav@864	827	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	828	emitIf(out, "if (@1 == 0) ",
jaroslav@843	829	smapper.popI(), i, indx, topMostLabel);
jaroslav@7	830	i += 2;
jaroslav@7	831	break;
jaroslav@7	832	}
jaroslav@151	833	case opc_ifne: {
jaroslav@864	834	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	835	emitIf(out, "if (@1 != 0) ",
jaroslav@843	836	smapper.popI(), i, indx, topMostLabel);
jaroslav@20	837	i += 2;
jaroslav@20	838	break;
jaroslav@20	839	}
jaroslav@151	840	case opc_iflt: {
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@20	844	i += 2;
jaroslav@20	845	break;
jaroslav@20	846	}
jaroslav@151	847	case opc_ifle: {
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_ifgt: {
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_ifge: {
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_ifnonnull: {
jaroslav@864	869	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	870	emitIf(out, "if (@1 !== null) ",
jaroslav@843	871	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	872	i += 2;
jaroslav@16	873	break;
jaroslav@16	874	}
jaroslav@151	875	case opc_ifnull: {
jaroslav@864	876	int indx = i + readShortArg(byteCodes, i);
jaroslav@839	877	emitIf(out, "if (@1 === null) ",
jaroslav@843	878	smapper.popA(), i, indx, topMostLabel);
jaroslav@16	879	i += 2;
jaroslav@16	880	break;
jaroslav@16	881	}
jaroslav@151	882	case opc_if_icmpne:
lubomir@307	883	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	884	"!=", topMostLabel);
jaroslav@4	885	break;
jaroslav@151	886	case opc_if_icmplt:
lubomir@307	887	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	888	"<", topMostLabel);
jaroslav@4	889	break;
jaroslav@151	890	case opc_if_icmple:
lubomir@307	891	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	892	"<=", topMostLabel);
jaroslav@4	893	break;
jaroslav@151	894	case opc_if_icmpgt:
lubomir@307	895	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	896	">", topMostLabel);
jaroslav@4	897	break;
jaroslav@151	898	case opc_if_icmpge:
lubomir@307	899	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
jaroslav@843	900	">=", topMostLabel);
jaroslav@4	901	break;
jaroslav@151	902	case opc_goto: {
jaroslav@864	903	int indx = i + readShortArg(byteCodes, i);
jaroslav@843	904	goTo(out, i, indx, topMostLabel);
jaroslav@5	905	i += 2;
jaroslav@5	906	break;
jaroslav@5	907	}
jaroslav@151	908	case opc_lookupswitch: {
jaroslav@843	909	i = generateLookupSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	910	break;
jaroslav@115	911	}
jaroslav@151	912	case opc_tableswitch: {
jaroslav@843	913	i = generateTableSwitch(i, byteCodes, smapper, topMostLabel);
jaroslav@115	914	break;
jaroslav@115	915	}
jaroslav@151	916	case opc_invokeinterface: {
lubomir@307	917	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	918	break;
jaroslav@46	919	}
jaroslav@151	920	case opc_invokevirtual:
lubomir@307	921	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	922	break;
jaroslav@151	923	case opc_invokespecial:
lubomir@307	924	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	925	break;
jaroslav@151	926	case opc_invokestatic:
lubomir@307	927	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	928	break;
jaroslav@151	929	case opc_new: {
jaroslav@864	930	int indx = readUShortArg(byteCodes, i);
jaroslav@151	931	String ci = jc.getClassName(indx);
lubomir@474	932	emit(out, "var @1 = new @2;",
lubomir@317	933	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	934	addReference(ci);
jaroslav@8	935	i += 2;
jaroslav@8	936	break;
jaroslav@8	937	}
lubomir@283	938	case opc_newarray:
lubomir@585	939	int atype = readUByte(byteCodes, ++i);
jaroslav@842	940	generateNewArray(atype, smapper);
jaroslav@21	941	break;
jaroslav@448	942	case opc_anewarray: {
jaroslav@864	943	int type = readUShortArg(byteCodes, i);
jaroslav@448	944	i += 2;
jaroslav@842	945	generateANewArray(type, smapper);
jaroslav@21	946	break;
jaroslav@448	947	}
jaroslav@151	948	case opc_multianewarray: {
jaroslav@864	949	int type = readUShortArg(byteCodes, i);
jtulach@128	950	i += 2;
jaroslav@842	951	i = generateMultiANewArray(type, byteCodes, i, smapper);
jtulach@128	952	break;
jtulach@128	953	}
jaroslav@151	954	case opc_arraylength:
lubomir@474	955	emit(out, "var @2 = @1.length;",
lubomir@474	956	smapper.popA(), smapper.pushI());
jaroslav@272	957	break;
lubomir@283	958	case opc_lastore:
jaroslav@459	959	emit(out, "@3.at(@2, @1);",
lubomir@307	960	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	961	break;
lubomir@283	962	case opc_fastore:
jaroslav@459	963	emit(out, "@3.at(@2, @1);",
lubomir@307	964	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	965	break;
lubomir@283	966	case opc_dastore:
jaroslav@459	967	emit(out, "@3.at(@2, @1);",
lubomir@307	968	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	969	break;
lubomir@283	970	case opc_aastore:
jaroslav@459	971	emit(out, "@3.at(@2, @1);",
lubomir@307	972	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	973	break;
jaroslav@151	974	case opc_iastore:
jaroslav@151	975	case opc_bastore:
jaroslav@151	976	case opc_castore:
lubomir@283	977	case opc_sastore:
jaroslav@459	978	emit(out, "@3.at(@2, @1);",
lubomir@307	979	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	980	break;
lubomir@283	981	case opc_laload:
lubomir@474	982	emit(out, "var @3 = @2.at(@1);",
lubomir@307	983	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	984	break;
lubomir@283	985	case opc_faload:
lubomir@474	986	emit(out, "var @3 = @2.at(@1);",
lubomir@307	987	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	988	break;
lubomir@283	989	case opc_daload:
lubomir@474	990	emit(out, "var @3 = @2.at(@1);",
lubomir@307	991	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	992	break;
lubomir@283	993	case opc_aaload:
lubomir@474	994	emit(out, "var @3 = @2.at(@1);",
lubomir@307	995	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	996	break;
jaroslav@272	997	case opc_iaload:
jaroslav@272	998	case opc_baload:
jaroslav@272	999	case opc_caload:
lubomir@283	1000	case opc_saload:
lubomir@474	1001	emit(out, "var @3 = @2.at(@1);",
lubomir@307	1002	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1003	break;
lubomir@221	1004	case opc_pop:
jaroslav@272	1005	case opc_pop2:
lubomir@307	1006	smapper.pop(1);
jaroslav@399	1007	debug("/* pop */");
jaroslav@272	1008	break;
lubomir@281	1009	case opc_dup: {
lubomir@307	1010	final Variable v = smapper.get(0);
lubomir@474	1011	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1012	break;
jaroslav@21	1013	}
lubomir@281	1014	case opc_dup2: {
lubomir@585	1015	final Variable vi1 = smapper.get(0);
lubomir@585	1016
lubomir@585	1017	if (vi1.isCategory2()) {
lubomir@474	1018	emit(out, "var @1 = @2;",
lubomir@585	1019	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1020	} else {
lubomir@585	1021	final Variable vi2 = smapper.get(1);
lubomir@474	1022	emit(out, "var @1 = @2, @3 = @4;",
lubomir@585	1023	smapper.pushT(vi2.getType()), vi2,
lubomir@585	1024	smapper.pushT(vi1.getType()), vi1);
lubomir@281	1025	}
jaroslav@21	1026	break;
jaroslav@21	1027	}
lubomir@281	1028	case opc_dup_x1: {
lubomir@307	1029	final Variable vi1 = smapper.pop();
lubomir@307	1030	final Variable vi2 = smapper.pop();
lubomir@307	1031	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1032	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1033	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1034
lubomir@474	1035	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1036	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1037	break;
lubomir@281	1038	}
lubomir@585	1039	case opc_dup2_x1: {
lubomir@585	1040	final Variable vi1 = smapper.pop();
lubomir@585	1041	final Variable vi2 = smapper.pop();
lubomir@585	1042
lubomir@585	1043	if (vi1.isCategory2()) {
lubomir@307	1044	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1045	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1046	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1047
lubomir@474	1048	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1049	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1050	} else {
lubomir@585	1051	final Variable vi3 = smapper.pop();
lubomir@585	1052	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1053	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1054	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1055	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1056	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1057
lubomir@585	1058	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1059	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1060	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1061	vo4, vo1, vo5, vo2);
lubomir@585	1062	}
lubomir@585	1063	break;
lubomir@585	1064	}
lubomir@585	1065	case opc_dup_x2: {
lubomir@585	1066	final Variable vi1 = smapper.pop();
lubomir@585	1067	final Variable vi2 = smapper.pop();
lubomir@585	1068
lubomir@585	1069	if (vi2.isCategory2()) {
lubomir@585	1070	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@585	1071	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1072	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1073
lubomir@585	1074	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@585	1075	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@585	1076	} else {
lubomir@307	1077	final Variable vi3 = smapper.pop();
lubomir@307	1078	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1079	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1080	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1081	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1082
lubomir@474	1083	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1084	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1085	}
jaroslav@8	1086	break;
lubomir@281	1087	}
lubomir@585	1088	case opc_dup2_x2: {
lubomir@585	1089	final Variable vi1 = smapper.pop();
lubomir@585	1090	final Variable vi2 = smapper.pop();
lubomir@585	1091
lubomir@585	1092	if (vi1.isCategory2()) {
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@585	1101	final Variable vi3 = smapper.pop();
lubomir@585	1102	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1103	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1104	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1105	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1106
lubomir@585	1107	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@585	1108	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@585	1109	}
lubomir@585	1110	} else {
lubomir@585	1111	final Variable vi3 = smapper.pop();
lubomir@585	1112
lubomir@585	1113	if (vi3.isCategory2()) {
lubomir@585	1114	final Variable vo5 = smapper.pushT(vi2.getType());
lubomir@585	1115	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@585	1116	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1117	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1118	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1119
lubomir@585	1120	emit(out, "var @1 = @2, @3 = @4, @5 = @6,",
lubomir@585	1121	vo1, vi1, vo2, vi2, vo3, vi3);
lubomir@585	1122	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1123	vo4, vo1, vo5, vo2);
lubomir@585	1124	} else {
lubomir@585	1125	final Variable vi4 = smapper.pop();
lubomir@585	1126	final Variable vo6 = smapper.pushT(vi2.getType());
lubomir@585	1127	final Variable vo5 = smapper.pushT(vi1.getType());
lubomir@585	1128	final Variable vo4 = smapper.pushT(vi4.getType());
lubomir@585	1129	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@585	1130	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@585	1131	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@585	1132
lubomir@585	1133	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8,",
lubomir@585	1134	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vi4);
lubomir@585	1135	emit(out, " @1 = @2, @3 = @4;",
lubomir@585	1136	vo5, vo1, vo6, vo2);
lubomir@585	1137	}
lubomir@585	1138	}
lubomir@585	1139	break;
lubomir@585	1140	}
lubomir@585	1141	case opc_swap: {
lubomir@585	1142	final Variable vi1 = smapper.get(0);
lubomir@585	1143	final Variable vi2 = smapper.get(1);
lubomir@585	1144
lubomir@585	1145	if (vi1.getType() == vi2.getType()) {
lubomir@585	1146	final Variable tmp = smapper.pushT(vi1.getType());
lubomir@585	1147
lubomir@585	1148	emit(out, "var @1 = @2, @2 = @3, @3 = @1;",
lubomir@585	1149	tmp, vi1, vi2);
lubomir@585	1150	smapper.pop(1);
lubomir@585	1151	} else {
lubomir@585	1152	smapper.pop(2);
lubomir@585	1153	smapper.pushT(vi1.getType());
lubomir@585	1154	smapper.pushT(vi2.getType());
lubomir@585	1155	}
lubomir@585	1156	break;
lubomir@585	1157	}
jaroslav@151	1158	case opc_bipush:
lubomir@474	1159	emit(out, "var @1 = @2;",
lubomir@307	1160	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1161	break;
jaroslav@151	1162	case opc_sipush:
lubomir@474	1163	emit(out, "var @1 = @2;",
lubomir@307	1164	smapper.pushI(),
jaroslav@864	1165	Integer.toString(readShortArg(byteCodes, i)));
jaroslav@31	1166	i += 2;
jaroslav@31	1167	break;
jaroslav@151	1168	case opc_getfield: {
jaroslav@864	1169	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1170	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1171	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1172	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1173	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1174	emit(out, "var @2 = @4(false)._@3.call(@1);",
jaroslav@592	1175	smapper.popA(),
jaroslav@592	1176	smapper.pushT(type), fi[1], mangleClassAccess
jaroslav@592	1177	);
jaroslav@592	1178	i += 2;
jaroslav@592	1179	break;
jaroslav@592	1180	}
jaroslav@592	1181	case opc_putfield: {
jaroslav@864	1182	int indx = readUShortArg(byteCodes, i);
jaroslav@592	1183	String[] fi = jc.getFieldInfoName(indx);
jaroslav@592	1184	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@592	1185	final String mangleClass = mangleSig(fi[0]);
jaroslav@592	1186	final String mangleClassAccess = accessClass(mangleClass);
jaroslav@592	1187	emit(out, "@4(false)._@3.call(@2, @1);",
jaroslav@592	1188	smapper.popT(type),
jaroslav@592	1189	smapper.popA(), fi[1],
jaroslav@592	1190	mangleClassAccess
jaroslav@592	1191	);
jaroslav@8	1192	i += 2;
jaroslav@8	1193	break;
jaroslav@8	1194	}
jaroslav@151	1195	case opc_getstatic: {
jaroslav@864	1196	int indx = readUShortArg(byteCodes, i);
jaroslav@151	1197	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1198	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1199	emit(out, "var @1 = @2(false)._@3();",
lubomir@317	1200	smapper.pushT(type),
lubomir@317	1201	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1202	i += 2;
jaroslav@151	1203	addReference(fi[0]);
jaroslav@9	1204	break;
jaroslav@9	1205	}
lubomir@281	1206	case opc_putstatic: {
jaroslav@864	1207	int indx = readUShortArg(byteCodes, i);
lubomir@281	1208	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1209	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@775	1210	emit(out, "@1(false)._@2(@3);",
lubomir@317	1211	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1212	smapper.popT(type));
lubomir@281	1213	i += 2;
lubomir@281	1214	addReference(fi[0]);
lubomir@281	1215	break;
lubomir@281	1216	}
jaroslav@151	1217	case opc_checkcast: {
jaroslav@864	1218	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1219	generateCheckcast(indx, smapper);
jaroslav@30	1220	i += 2;
jaroslav@30	1221	break;
jaroslav@30	1222	}
jaroslav@151	1223	case opc_instanceof: {
jaroslav@864	1224	int indx = readUShortArg(byteCodes, i);
jaroslav@842	1225	generateInstanceOf(indx, smapper);
jaroslav@17	1226	i += 2;
jaroslav@30	1227	break;
jaroslav@17	1228	}
jaroslav@151	1229	case opc_athrow: {
lubomir@307	1230	final Variable v = smapper.popA();
lubomir@307	1231	smapper.clear();
lubomir@281	1232
lubomir@474	1233	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1234	smapper.pushA(), v);
jaroslav@104	1235	break;
jaroslav@104	1236	}
lubomir@221	1237
lubomir@221	1238	case opc_monitorenter: {
lubomir@221	1239	out.append("/* monitor enter */");
lubomir@307	1240	smapper.popA();
lubomir@221	1241	break;
lubomir@221	1242	}
lubomir@221	1243
lubomir@221	1244	case opc_monitorexit: {
lubomir@221	1245	out.append("/* monitor exit */");
lubomir@307	1246	smapper.popA();
lubomir@221	1247	break;
lubomir@221	1248	}
lubomir@221	1249
lubomir@585	1250	case opc_wide:
lubomir@585	1251	wide = true;
lubomir@585	1252	break;
lubomir@585	1253
jaroslav@104	1254	default: {
lubomir@585	1255	wide = false;
lubomir@283	1256	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1257	Integer.toString(c));
jaroslav@104	1258	}
jaroslav@0	1259	}
jaroslav@399	1260	if (debug(" //")) {
jaroslav@842	1261	generateByteCodeComment(prev, i, byteCodes);
jaroslav@0	1262	}
tzezula@285	1263	out.append("\n");
jaroslav@0	1264	}
jaroslav@398	1265	if (previousTrap != null) {
jaroslav@843	1266	generateCatch(previousTrap, byteCodes.length, topMostLabel);
jaroslav@398	1267	}
jaroslav@839	1268	out.append("\n }\n");
jaroslav@839	1269	while (openBraces-- > 0) {
jaroslav@839	1270	out.append('}');
jaroslav@839	1271	}
jaroslav@839	1272	out.append("\n};");
jaroslav@4	1273	}
jaroslav@4	1274
jaroslav@843	1275	private int generateIf(byte[] byteCodes, int i, final Variable v2, final Variable v1, final String test, int topMostLabel) throws IOException {
jaroslav@864	1276	int indx = i + readShortArg(byteCodes, i);
lubomir@281	1277	out.append("if (").append(v1)
lubomir@221	1278	.append(' ').append(test).append(' ')
jaroslav@839	1279	.append(v2).append(") ");
jaroslav@843	1280	goTo(out, i, indx, topMostLabel);
jaroslav@4	1281	return i + 2;
jaroslav@4	1282	}
jaroslav@839	1283
lubomir@697	1284	private int readInt4(byte[] byteCodes, int offset) {
lubomir@697	1285	final int d = byteCodes[offset + 0] << 24;
lubomir@697	1286	final int c = byteCodes[offset + 1] << 16;
lubomir@697	1287	final int b = byteCodes[offset + 2] << 8;
lubomir@697	1288	final int a = byteCodes[offset + 3];
jaroslav@115	1289	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1290	}
jaroslav@864	1291	private static int readUByte(byte[] byteCodes, int offset) {
lubomir@697	1292	return byteCodes[offset] & 0xff;
jtulach@128	1293	}
lubomir@585	1294
jaroslav@864	1295	private static int readUShort(byte[] byteCodes, int offset) {
lubomir@697	1296	return ((byteCodes[offset] & 0xff) << 8)
lubomir@697	1297	\| (byteCodes[offset + 1] & 0xff);
lubomir@697	1298	}
jaroslav@864	1299	private static int readUShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1300	return readUShort(byteCodes, offsetInstruction + 1);
jaroslav@864	1301	}
lubomir@697	1302
jaroslav@864	1303	private static int readShort(byte[] byteCodes, int offset) {
jaroslav@864	1304	int signed = byteCodes[offset];
jaroslav@864	1305	byte b0 = (byte)signed;
jaroslav@864	1306	return (b0 << 8) \| (byteCodes[offset + 1] & 0xff);
jaroslav@864	1307	}
jaroslav@864	1308	private static int readShortArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@864	1309	return readShort(byteCodes, offsetInstruction + 1);
lubomir@585	1310	}
lubomir@585	1311
lubomir@281	1312	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1313	int i = 0;
jaroslav@4	1314	Boolean count = null;
jaroslav@32	1315	boolean array = false;
jaroslav@248	1316	sig.append("__");
jaroslav@10	1317	int firstPos = sig.length();
jaroslav@4	1318	while (i < descriptor.length()) {
jaroslav@4	1319	char ch = descriptor.charAt(i++);
jaroslav@4	1320	switch (ch) {
jaroslav@4	1321	case '(':
jaroslav@4	1322	count = true;
jaroslav@4	1323	continue;
jaroslav@4	1324	case ')':
jaroslav@4	1325	count = false;
jaroslav@4	1326	continue;
jaroslav@4	1327	case 'B':
jaroslav@4	1328	case 'C':
jaroslav@4	1329	case 'D':
jaroslav@4	1330	case 'F':
jaroslav@4	1331	case 'I':
jaroslav@4	1332	case 'J':
jaroslav@4	1333	case 'S':
jaroslav@4	1334	case 'Z':
jaroslav@4	1335	if (count) {
jaroslav@32	1336	if (array) {
jaroslav@248	1337	sig.append("_3");
jaroslav@32	1338	}
jaroslav@4	1339	sig.append(ch);
jtulach@156	1340	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1341	cnt.append('1');
jtulach@156	1342	} else {
jtulach@156	1343	cnt.append('0');
jtulach@156	1344	}
jaroslav@4	1345	} else {
jaroslav@10	1346	sig.insert(firstPos, ch);
jaroslav@32	1347	if (array) {
lubomir@281	1348	returnType[0] = '[';
jaroslav@248	1349	sig.insert(firstPos, "_3");
lubomir@281	1350	} else {
lubomir@281	1351	returnType[0] = ch;
jaroslav@32	1352	}
jaroslav@4	1353	}
jaroslav@93	1354	array = false;
jaroslav@4	1355	continue;
jaroslav@4	1356	case 'V':
jaroslav@4	1357	assert !count;
lubomir@281	1358	returnType[0] = 'V';
jaroslav@10	1359	sig.insert(firstPos, 'V');
jaroslav@4	1360	continue;
jaroslav@4	1361	case 'L':
jaroslav@16	1362	int next = descriptor.indexOf(';', i);
jaroslav@248	1363	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1364	if (count) {
jaroslav@32	1365	if (array) {
jaroslav@248	1366	sig.append("_3");
jaroslav@32	1367	}
jaroslav@248	1368	sig.append(realSig);
jtulach@156	1369	cnt.append('0');
jaroslav@4	1370	} else {
jaroslav@248	1371	sig.insert(firstPos, realSig);
jaroslav@32	1372	if (array) {
jaroslav@248	1373	sig.insert(firstPos, "_3");
jaroslav@32	1374	}
lubomir@281	1375	returnType[0] = 'L';
jaroslav@4	1376	}
jaroslav@16	1377	i = next + 1;
lubomir@407	1378	array = false;
jaroslav@4	1379	continue;
jaroslav@4	1380	case '[':
jaroslav@248	1381	array = true;
jaroslav@4	1382	continue;
jaroslav@4	1383	default:
jaroslav@248	1384	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1385	}
jaroslav@4	1386	}
jaroslav@0	1387	}
jaroslav@248	1388
jaroslav@592	1389	static String mangleSig(String sig) {
jaroslav@592	1390	return mangleSig(sig, 0, sig.length());
jaroslav@592	1391	}
jaroslav@592	1392
jaroslav@248	1393	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1394	StringBuilder sb = new StringBuilder();
jaroslav@248	1395	for (int i = first; i < last; i++) {
jaroslav@248	1396	final char ch = txt.charAt(i);
jaroslav@248	1397	switch (ch) {
jaroslav@248	1398	case '/': sb.append('_'); break;
jaroslav@248	1399	case '_': sb.append("_1"); break;
jaroslav@248	1400	case ';': sb.append("_2"); break;
jaroslav@248	1401	case '[': sb.append("_3"); break;
jaroslav@248	1402	default: sb.append(ch); break;
jaroslav@248	1403	}
jaroslav@248	1404	}
jaroslav@248	1405	return sb.toString();
jaroslav@248	1406	}
jaroslav@9	1407
jaroslav@248	1408	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1409	StringBuilder name = new StringBuilder();
jaroslav@10	1410	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1411	name.append("cons"); // NOI18N
jaroslav@19	1412	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1413	name.append("class"); // NOI18N
jaroslav@10	1414	} else {
jaroslav@42	1415	name.append(m.getName());
jaroslav@10	1416	}
jaroslav@42	1417
lubomir@282	1418	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1419	return name.toString();
jaroslav@10	1420	}
jaroslav@10	1421
lubomir@282	1422	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1423	StringBuilder name = new StringBuilder();
jaroslav@151	1424	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1425	String nm= mi[1];
jaroslav@151	1426	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1427	name.append("cons"); // NOI18N
jaroslav@10	1428	} else {
jaroslav@151	1429	name.append(nm);
jaroslav@10	1430	}
lubomir@282	1431	countArgs(descr, returnType, name, cnt);
jaroslav@10	1432	return name.toString();
jaroslav@10	1433	}
jaroslav@10	1434
lubomir@307	1435	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1436	throws IOException {
jaroslav@864	1437	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1438	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1439	char[] returnType = { 'V' };
jtulach@156	1440	StringBuilder cnt = new StringBuilder();
lubomir@281	1441	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1442
lubomir@221	1443	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1444	final Variable[] vars = new Variable[numArguments];
lubomir@221	1445
lubomir@281	1446	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1447	vars[j] = mapper.pop();
jaroslav@11	1448	}
lubomir@281	1449
lubomir@281	1450	if (returnType[0] != 'V') {
lubomir@474	1451	out.append("var ")
lubomir@474	1452	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1453	.append(" = ");
jaroslav@10	1454	}
lubomir@221	1455
jaroslav@151	1456	final String in = mi[0];
jaroslav@274	1457	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1458	out.append("(false).");
jaroslav@397	1459	if (mn.startsWith("cons_")) {
jaroslav@397	1460	out.append("constructor.");
jaroslav@397	1461	}
jaroslav@10	1462	out.append(mn);
jaroslav@442	1463	if (isStatic) {
jaroslav@442	1464	out.append('(');
jaroslav@442	1465	} else {
jaroslav@442	1466	out.append(".call(");
jaroslav@442	1467	}
lubomir@221	1468	if (numArguments > 0) {
lubomir@281	1469	out.append(vars[0]);
lubomir@281	1470	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1471	out.append(", ");
lubomir@281	1472	out.append(vars[j]);
lubomir@221	1473	}
jaroslav@10	1474	}
lubomir@221	1475	out.append(");");
jaroslav@10	1476	i += 2;
jaroslav@18	1477	addReference(in);
jaroslav@10	1478	return i;
jaroslav@10	1479	}
lubomir@307	1480	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1481	throws IOException {
jaroslav@864	1482	int methodIndex = readUShortArg(byteCodes, i);
jaroslav@151	1483	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1484	char[] returnType = { 'V' };
jtulach@156	1485	StringBuilder cnt = new StringBuilder();
lubomir@281	1486	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1487
lubomir@281	1488	final int numArguments = cnt.length() + 1;
lubomir@281	1489	final Variable[] vars = new Variable[numArguments];
lubomir@221	1490
lubomir@281	1491	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1492	vars[j] = mapper.pop();
jaroslav@12	1493	}
lubomir@221	1494
lubomir@281	1495	if (returnType[0] != 'V') {
lubomir@474	1496	out.append("var ")
lubomir@474	1497	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1498	.append(" = ");
jaroslav@12	1499	}
lubomir@281	1500
lubomir@281	1501	out.append(vars[0]).append('.');
jaroslav@12	1502	out.append(mn);
jaroslav@12	1503	out.append('(');
jaroslav@442	1504	String sep = "";
lubomir@281	1505	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1506	out.append(sep);
lubomir@281	1507	out.append(vars[j]);
jaroslav@442	1508	sep = ", ";
jaroslav@12	1509	}
lubomir@221	1510	out.append(");");
jaroslav@12	1511	i += 2;
jaroslav@12	1512	return i;
jaroslav@12	1513	}
lubomir@221	1514
jaroslav@103	1515	private void addReference(String cn) throws IOException {
jtulach@162	1516	if (requireReference(cn)) {
jaroslav@399	1517	debug(" /* needs " + cn + " */");
jaroslav@18	1518	}
jaroslav@18	1519	}
jaroslav@16	1520
jaroslav@33	1521	private void outType(String d, StringBuilder out) {
jaroslav@33	1522	int arr = 0;
jaroslav@33	1523	while (d.charAt(0) == '[') {
jaroslav@33	1524	out.append('A');
jaroslav@33	1525	d = d.substring(1);
jaroslav@33	1526	}
jaroslav@16	1527	if (d.charAt(0) == 'L') {
jaroslav@16	1528	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1529	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1530	} else {
jaroslav@16	1531	out.append(d);
jaroslav@16	1532	}
jaroslav@16	1533	}
jaroslav@21	1534
jaroslav@230	1535	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1536	String[] classRef = { null };
jaroslav@230	1537	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1538	if (classRef[0] != null) {
jaroslav@567	1539	if (classRef[0].startsWith("[")) {
jaroslav@567	1540	s = accessClass("java_lang_Class") + "(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('" + classRef[0] + "');";
jaroslav@567	1541	} else {
jaroslav@567	1542	addReference(classRef[0]);
jaroslav@567	1543	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@567	1544	}
jaroslav@230	1545	}
jaroslav@151	1546	return s;
jaroslav@21	1547	}
jaroslav@32	1548
jaroslav@266	1549	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1550	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1551	if (arr == null) {
jaroslav@266	1552	return null;
jaroslav@152	1553	}
jaroslav@200	1554	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1555	class P extends AnnotationParser {
jaroslav@237	1556	public P() {
jaroslav@652	1557	super(false, true);
jaroslav@237	1558	}
jaroslav@237	1559
jaroslav@152	1560	int cnt;
jaroslav@152	1561	String[] args = new String[30];
jaroslav@152	1562	String body;
jaroslav@94	1563
jaroslav@152	1564	@Override
jaroslav@236	1565	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1566	if (type.equals(jvmType)) {
jaroslav@152	1567	if ("body".equals(attr)) {
jaroslav@152	1568	body = value;
jaroslav@152	1569	} else if ("args".equals(attr)) {
jaroslav@152	1570	args[cnt++] = value;
jaroslav@152	1571	} else {
jaroslav@152	1572	throw new IllegalArgumentException(attr);
jaroslav@152	1573	}
jaroslav@152	1574	}
jaroslav@94	1575	}
jaroslav@94	1576	}
jaroslav@152	1577	P p = new P();
jaroslav@152	1578	p.parse(arr, jc);
jaroslav@152	1579	if (p.body == null) {
jaroslav@266	1580	return null;
jaroslav@152	1581	}
jtulach@156	1582	StringBuilder cnt = new StringBuilder();
jaroslav@266	1583	final String mn = findMethodName(m, cnt);
jaroslav@266	1584	out.append(prefix).append(mn);
jaroslav@203	1585	out.append(" = function(");
jaroslav@442	1586	String space = "";
jaroslav@443	1587	int index = 0;
jtulach@156	1588	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1589	out.append(space);
jaroslav@316	1590	space = outputArg(out, p.args, index);
jaroslav@152	1591	index++;
jaroslav@152	1592	}
jaroslav@152	1593	out.append(") {").append("\n");
jaroslav@152	1594	out.append(p.body);
jaroslav@152	1595	out.append("\n}\n");
jaroslav@266	1596	return mn;
jaroslav@151	1597	}
jaroslav@151	1598	private static String className(ClassData jc) {
jaroslav@151	1599	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1600	return jc.getClassName().replace('/', '_');
jaroslav@94	1601	}
jaroslav@152	1602
jaroslav@152	1603	private static String[] findAnnotation(
jaroslav@152	1604	byte[] arr, ClassData cd, final String className,
jaroslav@152	1605	final String... attrNames
jaroslav@152	1606	) throws IOException {
jaroslav@152	1607	if (arr == null) {
jaroslav@152	1608	return null;
jaroslav@152	1609	}
jaroslav@152	1610	final String[] values = new String[attrNames.length];
jaroslav@152	1611	final boolean[] found = { false };
jaroslav@152	1612	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@652	1613	AnnotationParser ap = new AnnotationParser(false, true) {
jaroslav@152	1614	@Override
jaroslav@236	1615	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1616	if (type.equals(jvmType)) {
jaroslav@152	1617	found[0] = true;
jaroslav@152	1618	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1619	if (attrNames[i].equals(attr)) {
jaroslav@152	1620	values[i] = value;
jaroslav@152	1621	}
jaroslav@152	1622	}
jaroslav@152	1623	}
jaroslav@152	1624	}
jaroslav@152	1625
jaroslav@152	1626	};
jaroslav@152	1627	ap.parse(arr, cd);
jaroslav@152	1628	return found[0] ? values : null;
jaroslav@152	1629	}
jaroslav@173	1630
jaroslav@173	1631	private CharSequence initField(FieldData v) {
jaroslav@173	1632	final String is = v.getInternalSig();
jaroslav@173	1633	if (is.length() == 1) {
jaroslav@173	1634	switch (is.charAt(0)) {
jaroslav@173	1635	case 'S':
jaroslav@173	1636	case 'J':
jaroslav@173	1637	case 'B':
jaroslav@173	1638	case 'Z':
jaroslav@173	1639	case 'C':
jaroslav@173	1640	case 'I': return " = 0;";
jaroslav@173	1641	case 'F':
jaroslav@180	1642	case 'D': return " = 0.0;";
jaroslav@173	1643	default:
jaroslav@173	1644	throw new IllegalStateException(is);
jaroslav@173	1645	}
jaroslav@173	1646	}
jaroslav@173	1647	return " = null;";
jaroslav@173	1648	}
jaroslav@235	1649
jaroslav@655	1650	private void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@652	1651	AnnotationParser ap = new AnnotationParser(true, false) {
jaroslav@652	1652	int[] cnt = new int[32];
jaroslav@652	1653	int depth;
jaroslav@235	1654
jaroslav@235	1655	@Override
jaroslav@659	1656	protected void visitAnnotationStart(String attrType, boolean top) throws IOException {
jaroslav@659	1657	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@659	1658	requireReference(slashType);
jaroslav@659	1659
jaroslav@652	1660	if (cnt[depth]++ > 0) {
jaroslav@237	1661	out.append(",");
jaroslav@237	1662	}
jaroslav@659	1663	if (top) {
jaroslav@659	1664	out.append('"').append(attrType).append("\" : ");
jaroslav@659	1665	}
jaroslav@659	1666	out.append("{\n");
jaroslav@652	1667	cnt[++depth] = 0;
jaroslav@235	1668	}
jaroslav@235	1669
jaroslav@235	1670	@Override
jaroslav@659	1671	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@235	1672	out.append("\n}\n");
jaroslav@652	1673	depth--;
jaroslav@652	1674	}
jaroslav@652	1675
jaroslav@652	1676	@Override
jaroslav@652	1677	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@652	1678	if (cnt[depth]++ > 0) {
jaroslav@652	1679	out.append(",\n");
jaroslav@652	1680	}
jaroslav@652	1681	cnt[++depth] = 0;
jaroslav@652	1682	if (attrName != null) {
jaroslav@652	1683	out.append(attrName).append(" : ");
jaroslav@652	1684	}
jaroslav@652	1685	if (type == '[') {
jaroslav@652	1686	out.append("[");
jaroslav@652	1687	}
jaroslav@652	1688	}
jaroslav@652	1689
jaroslav@652	1690	@Override
jaroslav@652	1691	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@652	1692	if (type == '[') {
jaroslav@652	1693	out.append("]");
jaroslav@652	1694	}
jaroslav@652	1695	depth--;
jaroslav@235	1696	}
jaroslav@235	1697
jaroslav@235	1698	@Override
jaroslav@236	1699	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1700	throws IOException {
jaroslav@652	1701	if (attr == null && value == null) {
jaroslav@266	1702	return;
jaroslav@266	1703	}
jaroslav@652	1704	out.append(value);
jaroslav@592	1705	}
jaroslav@655	1706
jaroslav@655	1707	@Override
jaroslav@655	1708	protected void visitEnumAttr(String type, String attr, String attrType, String value)
jaroslav@655	1709	throws IOException {
jaroslav@655	1710	final String slashType = attrType.substring(1, attrType.length() - 1);
jaroslav@655	1711	requireReference(slashType);
jaroslav@655	1712
jaroslav@655	1713	out.append(accessClass(slashType.replace('/', '_')))
jaroslav@655	1714	.append("(false).constructor.").append(value);
jaroslav@235	1715	}
jaroslav@235	1716	};
jaroslav@235	1717	ap.parse(data, cd);
jaroslav@235	1718	}
jaroslav@316	1719
jaroslav@316	1720	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1721	final String name = args[indx];
jaroslav@316	1722	if (name == null) {
jaroslav@316	1723	return "";
jaroslav@316	1724	}
jaroslav@316	1725	if (name.contains(",")) {
jaroslav@316	1726	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1727	}
jaroslav@316	1728	out.append(name);
jaroslav@316	1729	return ",";
jaroslav@316	1730	}
lubomir@317	1731
lubomir@283	1732	private static void emit(final Appendable out,
lubomir@283	1733	final String format,
lubomir@283	1734	final CharSequence... params) throws IOException {
lubomir@283	1735	final int length = format.length();
lubomir@283	1736
lubomir@283	1737	int processed = 0;
lubomir@283	1738	int paramOffset = format.indexOf('@');
lubomir@283	1739	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1740	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1741	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1742	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1743
lubomir@283	1744	out.append(format, processed, paramOffset);
lubomir@283	1745	out.append(params[paramIndex]);
lubomir@283	1746
lubomir@283	1747	++paramOffset;
lubomir@283	1748	processed = paramOffset + 1;
lubomir@283	1749	}
lubomir@283	1750
lubomir@283	1751	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1752	}
lubomir@283	1753
lubomir@283	1754	out.append(format, processed, length);
lubomir@283	1755	}
jaroslav@398	1756
jaroslav@843	1757	private void generateCatch(TrapData[] traps, int current, int topMostLabel) throws IOException {
jaroslav@400	1758	out.append("} catch (e) {\n");
jaroslav@401	1759	int finallyPC = -1;
jaroslav@398	1760	for (TrapData e : traps) {
jaroslav@398	1761	if (e == null) {
jaroslav@398	1762	break;
jaroslav@398	1763	}
jaroslav@398	1764	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1765	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1766	addReference(classInternalName);
jaroslav@423	1767	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1768	out.append("if (e.$instOf_java_lang_Throwable) {");
lubomir@474	1769	out.append(" var stA0 = e;");
jaroslav@423	1770	out.append("} else {");
lubomir@474	1771	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1772	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1773	out.append("}");
jaroslav@843	1774	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1775	} else {
jaroslav@423	1776	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@839	1777	out.append("var stA0 = e;");
jaroslav@843	1778	goTo(out, current, e.handler_pc, topMostLabel);
jaroslav@423	1779	out.append("}\n");
jaroslav@423	1780	}
jaroslav@398	1781	} else {
jaroslav@401	1782	finallyPC = e.handler_pc;
jaroslav@398	1783	}
jaroslav@398	1784	}
jaroslav@401	1785	if (finallyPC == -1) {
jaroslav@401	1786	out.append("throw e;");
jaroslav@401	1787	} else {
jaroslav@839	1788	out.append("var stA0 = e;");
jaroslav@843	1789	goTo(out, current, finallyPC, topMostLabel);
jaroslav@401	1790	}
jaroslav@400	1791	out.append("\n}");
jaroslav@398	1792	}
jaroslav@839	1793
jaroslav@843	1794	private static void goTo(Appendable out, int current, int to, int canBack) throws IOException {
jaroslav@839	1795	if (to < current) {
jaroslav@843	1796	if (canBack < to) {
jaroslav@843	1797	out.append("{ gt = 0; continue X_" + to + "; }");
jaroslav@843	1798	} else {
jaroslav@843	1799	out.append("{ gt = " + to + "; continue X_0; }");
jaroslav@843	1800	}
jaroslav@839	1801	} else {
jaroslav@839	1802	out.append("{ gt = " + to + "; break IF; }");
jaroslav@839	1803	}
jaroslav@839	1804	}
jaroslav@839	1805
jaroslav@843	1806	private static void emitIf(
jaroslav@843	1807	Appendable out, String pattern, Variable param,
jaroslav@843	1808	int current, int to, int canBack
jaroslav@843	1809	) throws IOException {
jaroslav@839	1810	emit(out, pattern, param);
jaroslav@843	1811	goTo(out, current, to, canBack);
jaroslav@839	1812	}
jaroslav@842	1813
jaroslav@842	1814	private void generateNewArray(int atype, final StackMapper smapper) throws IOException, IllegalStateException {
jaroslav@842	1815	String jvmType;
jaroslav@842	1816	switch (atype) {
jaroslav@842	1817	case 4: jvmType = "[Z"; break;
jaroslav@842	1818	case 5: jvmType = "[C"; break;
jaroslav@842	1819	case 6: jvmType = "[F"; break;
jaroslav@842	1820	case 7: jvmType = "[D"; break;
jaroslav@842	1821	case 8: jvmType = "[B"; break;
jaroslav@842	1822	case 9: jvmType = "[S"; break;
jaroslav@842	1823	case 10: jvmType = "[I"; break;
jaroslav@842	1824	case 11: jvmType = "[J"; break;
jaroslav@842	1825	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@842	1826	}
jaroslav@842	1827	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@842	1828	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@842	1829	}
jaroslav@842	1830
jaroslav@842	1831	private void generateANewArray(int type, final StackMapper smapper) throws IOException {
jaroslav@842	1832	String typeName = jc.getClassName(type);
jaroslav@842	1833	if (typeName.startsWith("[")) {
jaroslav@842	1834	typeName = "[" + typeName;
jaroslav@842	1835	} else {
jaroslav@842	1836	typeName = "[L" + typeName + ";";
jaroslav@842	1837	}
jaroslav@842	1838	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@842	1839	smapper.popI(), smapper.pushA(), typeName);
jaroslav@842	1840	}
jaroslav@842	1841
jaroslav@842	1842	private int generateMultiANewArray(int type, final byte[] byteCodes, int i, final StackMapper smapper) throws IOException {
jaroslav@842	1843	String typeName = jc.getClassName(type);
jaroslav@842	1844	int dim = readUByte(byteCodes, ++i);
jaroslav@842	1845	StringBuilder dims = new StringBuilder();
jaroslav@842	1846	dims.append('[');
jaroslav@842	1847	for (int d = 0; d < dim; d++) {
jaroslav@842	1848	if (d != 0) {
jaroslav@842	1849	dims.insert(1, ",");
jaroslav@842	1850	}
jaroslav@842	1851	dims.insert(1, smapper.popI());
jaroslav@842	1852	}
jaroslav@842	1853	dims.append(']');
jaroslav@842	1854	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@842	1855	dims.toString(), smapper.pushA(), typeName);
jaroslav@842	1856	return i;
jaroslav@842	1857	}
jaroslav@842	1858
jaroslav@843	1859	private int generateTableSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1860	int table = i / 4 * 4 + 4;
jaroslav@842	1861	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1862	table += 4;
jaroslav@842	1863	int low = readInt4(byteCodes, table);
jaroslav@842	1864	table += 4;
jaroslav@842	1865	int high = readInt4(byteCodes, table);
jaroslav@842	1866	table += 4;
jaroslav@842	1867	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1868	while (low <= high) {
jaroslav@842	1869	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1870	table += 4;
jaroslav@843	1871	out.append(" case " + low).append(":"); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1872	low++;
jaroslav@842	1873	}
jaroslav@842	1874	out.append(" default: ");
jaroslav@843	1875	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1876	out.append("\n}");
jaroslav@842	1877	i = table - 1;
jaroslav@842	1878	return i;
jaroslav@842	1879	}
jaroslav@842	1880
jaroslav@843	1881	private int generateLookupSwitch(int i, final byte[] byteCodes, final StackMapper smapper, int topMostLabel) throws IOException {
jaroslav@842	1882	int table = i / 4 * 4 + 4;
jaroslav@842	1883	int dflt = i + readInt4(byteCodes, table);
jaroslav@842	1884	table += 4;
jaroslav@842	1885	int n = readInt4(byteCodes, table);
jaroslav@842	1886	table += 4;
jaroslav@842	1887	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@842	1888	while (n-- > 0) {
jaroslav@842	1889	int cnstnt = readInt4(byteCodes, table);
jaroslav@842	1890	table += 4;
jaroslav@842	1891	int offset = i + readInt4(byteCodes, table);
jaroslav@842	1892	table += 4;
jaroslav@843	1893	out.append(" case " + cnstnt).append(": "); goTo(out, i, offset, topMostLabel); out.append('\n');
jaroslav@842	1894	}
jaroslav@842	1895	out.append(" default: ");
jaroslav@843	1896	goTo(out, i, dflt, topMostLabel);
jaroslav@842	1897	out.append("\n}");
jaroslav@842	1898	i = table - 1;
jaroslav@842	1899	return i;
jaroslav@842	1900	}
jaroslav@842	1901
jaroslav@842	1902	private void generateInstanceOf(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1903	final String type = jc.getClassName(indx);
jaroslav@842	1904	if (!type.startsWith("[")) {
jaroslav@842	1905	emit(out, "var @2 = @1 != null && @1.$instOf_@3 ? 1 : 0;",
jaroslav@842	1906	smapper.popA(), smapper.pushI(),
jaroslav@842	1907	type.replace('/', '_'));
jaroslav@842	1908	} else {
jaroslav@842	1909	emit(out, "var @2 = vm.java_lang_Class(false).forName__Ljava_lang_Class_2Ljava_lang_String_2('@3').isInstance__ZLjava_lang_Object_2(@1);",
jaroslav@842	1910	smapper.popA(), smapper.pushI(),
jaroslav@842	1911	type
jaroslav@842	1912	);
jaroslav@842	1913	}
jaroslav@842	1914	}
jaroslav@842	1915
jaroslav@842	1916	private void generateCheckcast(int indx, final StackMapper smapper) throws IOException {
jaroslav@842	1917	final String type = jc.getClassName(indx);
jaroslav@842	1918	if (!type.startsWith("[")) {
jaroslav@842	1919	emit(out,
jaroslav@842	1920	"if (@1 !== null && !@1.$instOf_@2) throw {};",
jaroslav@842	1921	smapper.getA(0), type.replace('/', '_'));
jaroslav@842	1922	} else {
jaroslav@842	1923	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	1924	smapper.getA(0), type
jaroslav@842	1925	);
jaroslav@842	1926	}
jaroslav@842	1927	}
jaroslav@842	1928
jaroslav@842	1929	private void generateByteCodeComment(int prev, int i, final byte[] byteCodes) throws IOException {
jaroslav@842	1930	for (int j = prev; j <= i; j++) {
jaroslav@842	1931	out.append(" ");
jaroslav@842	1932	final int cc = readUByte(byteCodes, j);
jaroslav@842	1933	out.append(Integer.toString(cc));
jaroslav@842	1934	}
jaroslav@842	1935	}
jaroslav@0	1936	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Wed, 20 Mar 2013 21:24:36 +0100
changeset 864	8ece59d31fcf
parent 843	140c739c607f
child 883	8c14a9f0c232
permissions	-rw-r--r--