hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@9288ecf9657c (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@457	22	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jtulach@167	23	import org.apidesign.javap.AnnotationParser;
jtulach@167	24	import org.apidesign.javap.ClassData;
jtulach@167	25	import org.apidesign.javap.FieldData;
jtulach@167	26	import org.apidesign.javap.MethodData;
lubomir@221	27	import org.apidesign.javap.StackMapIterator;
jtulach@167	28	import static org.apidesign.javap.RuntimeConstants.*;
tzezula@287	29	import org.apidesign.javap.TrapData;
jaroslav@288	30	import org.apidesign.javap.TrapDataIterator;
jaroslav@0	31
jaroslav@0	32	/** Translator of the code inside class files to JavaScript.
jaroslav@0	33	*
jaroslav@0	34	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0	35	*/
jaroslav@298	36	abstract class ByteCodeToJavaScript {
jtulach@162	37	private ClassData jc;
jaroslav@272	38	final Appendable out;
jaroslav@0	39
jtulach@162	40	protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0	41	this.out = out;
jaroslav@0	42	}
jtulach@162	43
jtulach@162	44	/* Collects additional required resources.
jtulach@162	45	*
jtulach@162	46	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	47	* generated JavaScript code works properly. The names are in internal
jtulach@162	48	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	49	*/
jtulach@162	50	protected abstract boolean requireReference(String internalClassName);
jtulach@162	51
jtulach@162	52	/*
jtulach@162	53	* @param resourcePath name of resources to read
jtulach@162	54	*/
jtulach@162	55	protected abstract void requireScript(String resourcePath);
jaroslav@213	56
jaroslav@213	57	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	58	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	59	* by <code>" = "</code>;
jaroslav@213	60	*
jaroslav@213	61	* @param className suggested name of the class
jaroslav@213	62	*/
jaroslav@274	63	/* protected */ String assignClass(String className) {
jaroslav@213	64	return className + " = ";
jaroslav@213	65	}
jaroslav@274	66	/* protected */ String accessClass(String classOperation) {
jaroslav@274	67	return classOperation;
jaroslav@274	68	}
jaroslav@399	69
jaroslav@399	70	/** Prints out a debug message.
jaroslav@399	71	*
jaroslav@399	72	* @param msg the message
jaroslav@399	73	* @return true if the message has been printed
jaroslav@399	74	* @throws IOException
jaroslav@399	75	*/
jaroslav@399	76	boolean debug(String msg) throws IOException {
jaroslav@399	77	out.append(msg);
jaroslav@399	78	return true;
jaroslav@399	79	}
jaroslav@18	80
jaroslav@18	81	/**
jaroslav@18	82	* Converts a given class file to a JavaScript version.
jaroslav@18	83	*
jaroslav@0	84	* @param classFile input stream with code of the .class file
jaroslav@97	85	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	86	*
jaroslav@0	87	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	88	*/
jaroslav@18	89
jtulach@162	90	public String compile(InputStream classFile) throws IOException {
jtulach@162	91	this.jc = new ClassData(classFile);
jaroslav@324	92	if (jc.getMajor_version() < 50) {
jaroslav@324	93	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	94	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	95	);
jaroslav@324	96	}
jaroslav@152	97	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	98	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	99	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	100	"resource", "processByteCode"
jaroslav@170	101	);
jaroslav@152	102	if (arr != null) {
jtulach@162	103	requireScript(arr[0]);
jaroslav@152	104	if ("0".equals(arr[1])) {
jaroslav@97	105	return null;
jaroslav@91	106	}
jaroslav@91	107	}
jaroslav@239	108	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	109	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	110	"container", "prototype"
jaroslav@239	111	);
jtulach@162	112	StringArray toInitilize = new StringArray();
jaroslav@151	113	final String className = className(jc);
jaroslav@213	114	out.append("\n\n").append(assignClass(className));
jaroslav@213	115	out.append("function CLS() {");
jaroslav@213	116	out.append("\n if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191	117	for (FieldData v : jc.getFields()) {
jtulach@191	118	if (v.isStatic()) {
jaroslav@213	119	out.append("\n CLS.").append(v.getName()).append(initField(v));
jtulach@191	120	}
jtulach@191	121	}
jaroslav@239	122	if (proto == null) {
jaroslav@239	123	String sc = jc.getSuperClassName(); // with _
jaroslav@230	124	out.append("\n var pp = ").
jaroslav@274	125	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	126	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	127	out.append("\n var c = p;");
jaroslav@230	128	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	129	} else {
jaroslav@240	130	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	131	if (proto[0] == null) {
jaroslav@316	132	proto[0] = "p";
jaroslav@316	133	}
jaroslav@239	134	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	135	out.append("\n var sprcls = null;");
jaroslav@13	136	}
jaroslav@151	137	for (MethodData m : jc.getMethods()) {
jaroslav@240	138	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	139	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	140	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	141	"name", "value"
jaroslav@240	142	);
jaroslav@240	143	if (only != null) {
jaroslav@240	144	if (only[0] != null && only[1] != null) {
jaroslav@240	145	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	146	.append(only[1]).append(";");
jaroslav@240	147	}
jaroslav@240	148	continue;
jaroslav@240	149	}
jaroslav@397	150	String prefix;
jaroslav@266	151	String mn;
jaroslav@203	152	if (m.isStatic()) {
jaroslav@397	153	prefix = "\n c.";
jaroslav@397	154	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	155	} else {
jaroslav@397	156	if (m.isConstructor()) {
jaroslav@397	157	prefix = "\n CLS.";
jaroslav@397	158	mn = generateInstanceMethod(prefix, m);
jaroslav@397	159	} else {
jaroslav@397	160	prefix = "\n c.";
jaroslav@397	161	mn = generateInstanceMethod(prefix, m);
jaroslav@397	162	}
jaroslav@266	163	}
jaroslav@266	164	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	165	if (runAnno != null) {
jaroslav@397	166	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	167	generateAnno(jc, out, runAnno);
jaroslav@266	168	out.append("\n };");
jaroslav@38	169	}
jaroslav@397	170	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38	171	}
jaroslav@239	172	out.append("\n c.constructor = CLS;");
jaroslav@239	173	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	174	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	175	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	176	}
jaroslav@274	177	out.append("\n CLS.$class = ");
jaroslav@274	178	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	179	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	180	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	181	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	182	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	183	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	184	if (classAnno != null) {
jaroslav@235	185	out.append("\n CLS.$class.anno = {");
jaroslav@235	186	generateAnno(jc, out, classAnno);
jaroslav@235	187	out.append("\n };");
jaroslav@235	188	}
jaroslav@204	189	out.append("\n }");
jaroslav@205	190	out.append("\n if (arguments.length === 0) {");
jaroslav@226	191	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	192	out.append("\n return new CLS();");
jaroslav@226	193	out.append("\n }");
jaroslav@205	194	for (FieldData v : jc.getFields()) {
jaroslav@240	195	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	196	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	197	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	198	"name", "value"
jaroslav@240	199	);
jaroslav@240	200	if (only != null) {
jaroslav@240	201	if (only[0] != null && only[1] != null) {
jaroslav@240	202	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	203	.append(only[1]).append(";");
jaroslav@240	204	}
jaroslav@240	205	continue;
jaroslav@240	206	}
jaroslav@205	207	if (!v.isStatic()) {
jaroslav@205	208	out.append("\n this.fld_").
jaroslav@205	209	append(v.getName()).append(initField(v));
jaroslav@205	210	}
jaroslav@205	211	}
jaroslav@205	212	out.append("\n return this;");
jaroslav@205	213	out.append("\n }");
jaroslav@224	214	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98	215	out.append("\n}");
jaroslav@97	216	StringBuilder sb = new StringBuilder();
jtulach@162	217	for (String init : toInitilize.toArray()) {
jaroslav@97	218	sb.append("\n").append(init).append("();");
jaroslav@21	219	}
jaroslav@97	220	return sb.toString();
jaroslav@0	221	}
jaroslav@266	222	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	223	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	224	if (jsb != null) {
jaroslav@266	225	return jsb;
jaroslav@94	226	}
lubomir@307	227	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	228	if (mn.equals("class__V")) {
jaroslav@274	229	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	230	}
lubomir@307	231	generateMethod(prefix, mn, m);
jaroslav@266	232	return mn;
jaroslav@10	233	}
lubomir@307	234
jaroslav@266	235	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	236	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	237	if (jsb != null) {
jaroslav@266	238	return jsb;
jaroslav@94	239	}
lubomir@307	240	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	241	generateMethod(prefix, mn, m);
jaroslav@266	242	return mn;
jaroslav@0	243	}
jaroslav@0	244
lubomir@307	245	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	246	throws IOException {
lubomir@307	247	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	248	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	249	final LocalsMapper lmapper =
lubomir@307	250	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	251
lubomir@307	252	out.append(prefix).append(name).append(" = function(");
jaroslav@442	253	lmapper.outputArguments(out, m.isStatic());
lubomir@307	254	out.append(") {").append("\n");
lubomir@307	255
lubomir@221	256	final byte[] byteCodes = m.getCode();
lubomir@307	257	if (byteCodes == null) {
lubomir@307	258	out.append(" throw 'no code found for ")
jaroslav@424	259	.append(jc.getClassName()).append('.')
jaroslav@424	260	.append(m.getName()).append("';\n");
lubomir@307	261	out.append("};");
lubomir@307	262	return;
lubomir@307	263	}
lubomir@307	264
lubomir@307	265	final StackMapper smapper = new StackMapper();
lubomir@307	266
jaroslav@442	267	if (!m.isStatic()) {
jaroslav@442	268	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	269	}
lubomir@221	270
lubomir@221	271	int lastStackFrame = -1;
jaroslav@398	272	TrapData[] previousTrap = null;
jaroslav@398	273
jaroslav@10	274	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	275	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	276	int prev = i;
lubomir@221	277	stackMapIterator.advanceTo(i);
jaroslav@398	278	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	279	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	280	if (previousTrap != null) {
jaroslav@398	281	generateCatch(previousTrap);
jaroslav@398	282	previousTrap = null;
jaroslav@398	283	}
jaroslav@398	284	}
lubomir@221	285	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	286	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	287	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	288	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	289	out.append(" case " + i).append(": ");
jaroslav@398	290	changeInCatch = true;
lubomir@221	291	} else {
jaroslav@399	292	debug(" /* " + i + " */ ");
lubomir@221	293	}
jaroslav@398	294	if (changeInCatch && trap.useTry()) {
tzezula@285	295	out.append("try {");
jaroslav@398	296	previousTrap = trap.current();
tzezula@285	297	}
jtulach@128	298	final int c = readByte(byteCodes, i);
jaroslav@0	299	switch (c) {
jaroslav@151	300	case opc_aload_0:
lubomir@474	301	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	302	break;
jaroslav@151	303	case opc_iload_0:
lubomir@474	304	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	305	break;
jaroslav@151	306	case opc_lload_0:
lubomir@474	307	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	308	break;
jaroslav@151	309	case opc_fload_0:
lubomir@474	310	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	311	break;
jaroslav@151	312	case opc_dload_0:
lubomir@474	313	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	314	break;
jaroslav@151	315	case opc_aload_1:
lubomir@474	316	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	317	break;
jaroslav@151	318	case opc_iload_1:
lubomir@474	319	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	320	break;
jaroslav@151	321	case opc_lload_1:
lubomir@474	322	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	323	break;
jaroslav@151	324	case opc_fload_1:
lubomir@474	325	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	326	break;
jaroslav@151	327	case opc_dload_1:
lubomir@474	328	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	329	break;
jaroslav@151	330	case opc_aload_2:
lubomir@474	331	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	332	break;
jaroslav@151	333	case opc_iload_2:
lubomir@474	334	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	335	break;
jaroslav@151	336	case opc_lload_2:
lubomir@474	337	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	338	break;
jaroslav@151	339	case opc_fload_2:
lubomir@474	340	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	341	break;
jaroslav@151	342	case opc_dload_2:
lubomir@474	343	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	344	break;
jaroslav@151	345	case opc_aload_3:
lubomir@474	346	emit(out, "var @1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	347	break;
jaroslav@151	348	case opc_iload_3:
lubomir@474	349	emit(out, "var @1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	350	break;
jaroslav@151	351	case opc_lload_3:
lubomir@474	352	emit(out, "var @1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	353	break;
jaroslav@151	354	case opc_fload_3:
lubomir@474	355	emit(out, "var @1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	356	break;
jaroslav@151	357	case opc_dload_3:
lubomir@474	358	emit(out, "var @1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	359	break;
lubomir@281	360	case opc_iload: {
lubomir@281	361	final int indx = readByte(byteCodes, ++i);
lubomir@474	362	emit(out, "var @1 = @2;",
lubomir@474	363	smapper.pushI(), lmapper.getI(indx));
lubomir@281	364	break;
lubomir@281	365	}
lubomir@281	366	case opc_lload: {
lubomir@281	367	final int indx = readByte(byteCodes, ++i);
lubomir@474	368	emit(out, "var @1 = @2;",
lubomir@474	369	smapper.pushL(), lmapper.getL(indx));
lubomir@281	370	break;
lubomir@281	371	}
lubomir@281	372	case opc_fload: {
lubomir@281	373	final int indx = readByte(byteCodes, ++i);
lubomir@474	374	emit(out, "var @1 = @2;",
lubomir@474	375	smapper.pushF(), lmapper.getF(indx));
lubomir@281	376	break;
lubomir@281	377	}
lubomir@281	378	case opc_dload: {
lubomir@281	379	final int indx = readByte(byteCodes, ++i);
lubomir@474	380	emit(out, "var @1 = @2;",
lubomir@474	381	smapper.pushD(), lmapper.getD(indx));
lubomir@281	382	break;
lubomir@281	383	}
jaroslav@151	384	case opc_aload: {
jtulach@128	385	final int indx = readByte(byteCodes, ++i);
lubomir@474	386	emit(out, "var @1 = @2;",
lubomir@474	387	smapper.pushA(), lmapper.getA(indx));
jaroslav@3	388	break;
jaroslav@3	389	}
lubomir@281	390	case opc_istore: {
lubomir@281	391	final int indx = readByte(byteCodes, ++i);
lubomir@474	392	emit(out, "var @1 = @2;",
lubomir@474	393	lmapper.setI(indx), smapper.popI());
lubomir@281	394	break;
lubomir@281	395	}
lubomir@281	396	case opc_lstore: {
lubomir@281	397	final int indx = readByte(byteCodes, ++i);
lubomir@474	398	emit(out, "var @1 = @2;",
lubomir@474	399	lmapper.setL(indx), smapper.popL());
lubomir@281	400	break;
lubomir@281	401	}
lubomir@281	402	case opc_fstore: {
lubomir@281	403	final int indx = readByte(byteCodes, ++i);
lubomir@474	404	emit(out, "var @1 = @2;",
lubomir@474	405	lmapper.setF(indx), smapper.popF());
lubomir@281	406	break;
lubomir@281	407	}
lubomir@281	408	case opc_dstore: {
lubomir@281	409	final int indx = readByte(byteCodes, ++i);
lubomir@474	410	emit(out, "var @1 = @2;",
lubomir@474	411	lmapper.setD(indx), smapper.popD());
lubomir@281	412	break;
lubomir@281	413	}
jaroslav@151	414	case opc_astore: {
jtulach@128	415	final int indx = readByte(byteCodes, ++i);
lubomir@474	416	emit(out, "var @1 = @2;",
lubomir@474	417	lmapper.setA(indx), smapper.popA());
jaroslav@31	418	break;
jaroslav@31	419	}
jaroslav@151	420	case opc_astore_0:
lubomir@474	421	emit(out, "var @1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	422	break;
jaroslav@151	423	case opc_istore_0:
lubomir@474	424	emit(out, "var @1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	425	break;
jaroslav@151	426	case opc_lstore_0:
lubomir@474	427	emit(out, "var @1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	428	break;
jaroslav@151	429	case opc_fstore_0:
lubomir@474	430	emit(out, "var @1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	431	break;
jaroslav@151	432	case opc_dstore_0:
lubomir@474	433	emit(out, "var @1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	434	break;
jaroslav@151	435	case opc_astore_1:
lubomir@474	436	emit(out, "var @1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	437	break;
jaroslav@151	438	case opc_istore_1:
lubomir@474	439	emit(out, "var @1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	440	break;
jaroslav@151	441	case opc_lstore_1:
lubomir@474	442	emit(out, "var @1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	443	break;
jaroslav@151	444	case opc_fstore_1:
lubomir@474	445	emit(out, "var @1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	446	break;
jaroslav@151	447	case opc_dstore_1:
lubomir@474	448	emit(out, "var @1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	449	break;
jaroslav@151	450	case opc_astore_2:
lubomir@474	451	emit(out, "var @1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	452	break;
jaroslav@151	453	case opc_istore_2:
lubomir@474	454	emit(out, "var @1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	455	break;
jaroslav@151	456	case opc_lstore_2:
lubomir@474	457	emit(out, "var @1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	458	break;
jaroslav@151	459	case opc_fstore_2:
lubomir@474	460	emit(out, "var @1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	461	break;
jaroslav@151	462	case opc_dstore_2:
lubomir@474	463	emit(out, "var @1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	464	break;
jaroslav@151	465	case opc_astore_3:
lubomir@474	466	emit(out, "var @1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	467	break;
jaroslav@151	468	case opc_istore_3:
lubomir@474	469	emit(out, "var @1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	470	break;
jaroslav@151	471	case opc_lstore_3:
lubomir@474	472	emit(out, "var @1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	473	break;
jaroslav@151	474	case opc_fstore_3:
lubomir@474	475	emit(out, "var @1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	476	break;
jaroslav@151	477	case opc_dstore_3:
lubomir@474	478	emit(out, "var @1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	479	break;
jaroslav@151	480	case opc_iadd:
Martin@445	481	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	482	break;
jaroslav@151	483	case opc_ladd:
lubomir@307	484	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	485	break;
jaroslav@151	486	case opc_fadd:
lubomir@307	487	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	488	break;
jaroslav@151	489	case opc_dadd:
lubomir@307	490	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	491	break;
jaroslav@151	492	case opc_isub:
Martin@445	493	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	494	break;
jaroslav@151	495	case opc_lsub:
lubomir@307	496	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	497	break;
jaroslav@151	498	case opc_fsub:
lubomir@307	499	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	500	break;
jaroslav@151	501	case opc_dsub:
lubomir@307	502	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	503	break;
jaroslav@151	504	case opc_imul:
Martin@445	505	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	506	break;
jaroslav@151	507	case opc_lmul:
lubomir@307	508	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	509	break;
jaroslav@151	510	case opc_fmul:
lubomir@307	511	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	512	break;
jaroslav@151	513	case opc_dmul:
lubomir@307	514	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	515	break;
jaroslav@151	516	case opc_idiv:
lubomir@283	517	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	518	smapper.getI(1), smapper.popI());
lubomir@281	519	break;
jaroslav@151	520	case opc_ldiv:
lubomir@283	521	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	522	smapper.getL(1), smapper.popL());
jaroslav@3	523	break;
jaroslav@151	524	case opc_fdiv:
lubomir@307	525	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	526	break;
jaroslav@151	527	case opc_ddiv:
lubomir@307	528	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	529	break;
jaroslav@178	530	case opc_irem:
lubomir@307	531	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	532	break;
jaroslav@178	533	case opc_lrem:
lubomir@307	534	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	535	break;
jaroslav@178	536	case opc_frem:
lubomir@307	537	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	538	break;
jaroslav@178	539	case opc_drem:
lubomir@307	540	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	541	break;
jaroslav@151	542	case opc_iand:
lubomir@307	543	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	544	break;
jaroslav@151	545	case opc_land:
lubomir@307	546	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	547	break;
jaroslav@151	548	case opc_ior:
lubomir@307	549	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	550	break;
jaroslav@151	551	case opc_lor:
lubomir@307	552	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	553	break;
jaroslav@151	554	case opc_ixor:
lubomir@307	555	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	556	break;
jaroslav@151	557	case opc_lxor:
lubomir@307	558	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	559	break;
jaroslav@151	560	case opc_ineg:
lubomir@307	561	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	562	break;
jaroslav@151	563	case opc_lneg:
lubomir@307	564	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	565	break;
jaroslav@151	566	case opc_fneg:
lubomir@307	567	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	568	break;
jaroslav@151	569	case opc_dneg:
lubomir@307	570	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	571	break;
jaroslav@151	572	case opc_ishl:
lubomir@307	573	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	574	break;
jaroslav@151	575	case opc_lshl:
lubomir@307	576	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	577	break;
jaroslav@151	578	case opc_ishr:
lubomir@307	579	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	580	break;
jaroslav@151	581	case opc_lshr:
lubomir@307	582	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	583	break;
jaroslav@151	584	case opc_iushr:
lubomir@307	585	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	586	break;
jaroslav@151	587	case opc_lushr:
lubomir@307	588	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	589	break;
jaroslav@151	590	case opc_iinc: {
jtulach@128	591	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	592	final int incrBy = byteCodes[++i];
jaroslav@5	593	if (incrBy == 1) {
lubomir@307	594	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	595	} else {
lubomir@307	596	emit(out, "@1 += @2;",
lubomir@307	597	lmapper.getI(varIndx),
lubomir@283	598	Integer.toString(incrBy));
jaroslav@5	599	}
jaroslav@5	600	break;
jaroslav@5	601	}
jaroslav@151	602	case opc_return:
lubomir@283	603	emit(out, "return;");
jaroslav@10	604	break;
jaroslav@151	605	case opc_ireturn:
lubomir@307	606	emit(out, "return @1;", smapper.popI());
lubomir@281	607	break;
jaroslav@151	608	case opc_lreturn:
lubomir@307	609	emit(out, "return @1;", smapper.popL());
lubomir@281	610	break;
jaroslav@151	611	case opc_freturn:
lubomir@307	612	emit(out, "return @1;", smapper.popF());
lubomir@281	613	break;
jaroslav@151	614	case opc_dreturn:
lubomir@307	615	emit(out, "return @1;", smapper.popD());
lubomir@281	616	break;
jaroslav@151	617	case opc_areturn:
lubomir@307	618	emit(out, "return @1;", smapper.popA());
jaroslav@1	619	break;
jaroslav@151	620	case opc_i2l:
lubomir@474	621	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	622	break;
jaroslav@151	623	case opc_i2f:
lubomir@474	624	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	625	break;
jaroslav@151	626	case opc_i2d:
lubomir@474	627	emit(out, "var @2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	628	break;
jaroslav@151	629	case opc_l2i:
lubomir@474	630	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	631	break;
jaroslav@3	632	// max int check?
jaroslav@151	633	case opc_l2f:
lubomir@474	634	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	635	break;
jaroslav@151	636	case opc_l2d:
lubomir@474	637	emit(out, "var @2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	638	break;
jaroslav@151	639	case opc_f2d:
lubomir@474	640	emit(out, "var @2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	641	break;
jaroslav@151	642	case opc_d2f:
lubomir@474	643	emit(out, "var @2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	644	break;
jaroslav@151	645	case opc_f2i:
lubomir@474	646	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	647	smapper.popF(), smapper.pushI());
lubomir@281	648	break;
jaroslav@151	649	case opc_f2l:
lubomir@474	650	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	651	smapper.popF(), smapper.pushL());
lubomir@281	652	break;
jaroslav@151	653	case opc_d2i:
lubomir@474	654	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	655	smapper.popD(), smapper.pushI());
lubomir@281	656	break;
jaroslav@151	657	case opc_d2l:
lubomir@474	658	emit(out, "var @2 = Math.floor(@1);",
lubomir@307	659	smapper.popD(), smapper.pushL());
jaroslav@3	660	break;
jaroslav@151	661	case opc_i2b:
lubomir@474	662	emit(out, "var @1 = @1.toInt8();", smapper.getI(0));
Martin@440	663	break;
jaroslav@151	664	case opc_i2c:
Martin@439	665	out.append("{ /* number conversion */ }");
Martin@439	666	break;
jaroslav@151	667	case opc_i2s:
lubomir@474	668	emit(out, "var @1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	669	break;
jaroslav@151	670	case opc_aconst_null:
lubomir@474	671	emit(out, "var @1 = null;", smapper.pushA());
jaroslav@46	672	break;
jaroslav@151	673	case opc_iconst_m1:
lubomir@474	674	emit(out, "var @1 = -1;", smapper.pushI());
jaroslav@48	675	break;
jaroslav@151	676	case opc_iconst_0:
lubomir@474	677	emit(out, "var @1 = 0;", smapper.pushI());
lubomir@281	678	break;
jaroslav@151	679	case opc_dconst_0:
lubomir@474	680	emit(out, "var @1 = 0;", smapper.pushD());
lubomir@281	681	break;
jaroslav@151	682	case opc_lconst_0:
lubomir@474	683	emit(out, "var @1 = 0;", smapper.pushL());
lubomir@281	684	break;
jaroslav@151	685	case opc_fconst_0:
lubomir@474	686	emit(out, "var @1 = 0;", smapper.pushF());
jaroslav@4	687	break;
jaroslav@151	688	case opc_iconst_1:
lubomir@474	689	emit(out, "var @1 = 1;", smapper.pushI());
lubomir@281	690	break;
jaroslav@151	691	case opc_lconst_1:
lubomir@474	692	emit(out, "var @1 = 1;", smapper.pushL());
lubomir@281	693	break;
jaroslav@151	694	case opc_fconst_1:
lubomir@474	695	emit(out, "var @1 = 1;", smapper.pushF());
lubomir@281	696	break;
jaroslav@151	697	case opc_dconst_1:
lubomir@474	698	emit(out, "var @1 = 1;", smapper.pushD());
jaroslav@4	699	break;
jaroslav@151	700	case opc_iconst_2:
lubomir@474	701	emit(out, "var @1 = 2;", smapper.pushI());
lubomir@281	702	break;
jaroslav@151	703	case opc_fconst_2:
lubomir@474	704	emit(out, "var @1 = 2;", smapper.pushF());
jaroslav@4	705	break;
jaroslav@151	706	case opc_iconst_3:
lubomir@474	707	emit(out, "var @1 = 3;", smapper.pushI());
jaroslav@4	708	break;
jaroslav@151	709	case opc_iconst_4:
lubomir@474	710	emit(out, "var @1 = 4;", smapper.pushI());
jaroslav@4	711	break;
jaroslav@151	712	case opc_iconst_5:
lubomir@474	713	emit(out, "var @1 = 5;", smapper.pushI());
jaroslav@4	714	break;
jaroslav@151	715	case opc_ldc: {
jtulach@128	716	int indx = readByte(byteCodes, ++i);
jaroslav@151	717	String v = encodeConstant(indx);
lubomir@307	718	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	719	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@20	720	break;
jaroslav@20	721	}
jaroslav@151	722	case opc_ldc_w:
jaroslav@151	723	case opc_ldc2_w: {
jaroslav@8	724	int indx = readIntArg(byteCodes, i);
jaroslav@8	725	i += 2;
jaroslav@151	726	String v = encodeConstant(indx);
lubomir@307	727	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@474	728	emit(out, "var @1 = @2;", smapper.pushT(type), v);
jaroslav@8	729	break;
jaroslav@8	730	}
jaroslav@151	731	case opc_lcmp:
lubomir@474	732	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	733	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	734	break;
jaroslav@151	735	case opc_fcmpl:
jaroslav@151	736	case opc_fcmpg:
lubomir@474	737	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	738	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	739	break;
jaroslav@151	740	case opc_dcmpl:
lubomir@281	741	case opc_dcmpg:
lubomir@474	742	emit(out, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	743	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	744	break;
jaroslav@151	745	case opc_if_acmpeq:
lubomir@307	746	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	747	"===");
jaroslav@104	748	break;
jaroslav@151	749	case opc_if_acmpne:
lubomir@307	750	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	751	"!=");
jaroslav@104	752	break;
lubomir@283	753	case opc_if_icmpeq:
lubomir@307	754	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	755	"==");
jaroslav@4	756	break;
jaroslav@151	757	case opc_ifeq: {
jaroslav@7	758	int indx = i + readIntArg(byteCodes, i);
lubomir@283	759	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	760	smapper.popI(), Integer.toString(indx));
jaroslav@7	761	i += 2;
jaroslav@7	762	break;
jaroslav@7	763	}
jaroslav@151	764	case opc_ifne: {
jaroslav@20	765	int indx = i + readIntArg(byteCodes, i);
lubomir@283	766	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	767	smapper.popI(), Integer.toString(indx));
jaroslav@20	768	i += 2;
jaroslav@20	769	break;
jaroslav@20	770	}
jaroslav@151	771	case opc_iflt: {
jaroslav@20	772	int indx = i + readIntArg(byteCodes, i);
lubomir@283	773	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	774	smapper.popI(), Integer.toString(indx));
jaroslav@20	775	i += 2;
jaroslav@20	776	break;
jaroslav@20	777	}
jaroslav@151	778	case opc_ifle: {
jaroslav@20	779	int indx = i + readIntArg(byteCodes, i);
lubomir@283	780	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	781	smapper.popI(), Integer.toString(indx));
jaroslav@20	782	i += 2;
jaroslav@20	783	break;
jaroslav@20	784	}
jaroslav@151	785	case opc_ifgt: {
jaroslav@20	786	int indx = i + readIntArg(byteCodes, i);
lubomir@283	787	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	788	smapper.popI(), Integer.toString(indx));
jaroslav@20	789	i += 2;
jaroslav@20	790	break;
jaroslav@20	791	}
jaroslav@151	792	case opc_ifge: {
jaroslav@20	793	int indx = i + readIntArg(byteCodes, i);
lubomir@283	794	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	795	smapper.popI(), Integer.toString(indx));
jaroslav@20	796	i += 2;
jaroslav@20	797	break;
jaroslav@20	798	}
jaroslav@151	799	case opc_ifnonnull: {
jaroslav@16	800	int indx = i + readIntArg(byteCodes, i);
lubomir@283	801	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	802	smapper.popA(), Integer.toString(indx));
jaroslav@16	803	i += 2;
jaroslav@16	804	break;
jaroslav@16	805	}
jaroslav@151	806	case opc_ifnull: {
jaroslav@16	807	int indx = i + readIntArg(byteCodes, i);
lubomir@283	808	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	809	smapper.popA(), Integer.toString(indx));
jaroslav@16	810	i += 2;
jaroslav@16	811	break;
jaroslav@16	812	}
jaroslav@151	813	case opc_if_icmpne:
lubomir@307	814	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	815	"!=");
jaroslav@4	816	break;
jaroslav@151	817	case opc_if_icmplt:
lubomir@307	818	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	819	"<");
jaroslav@4	820	break;
jaroslav@151	821	case opc_if_icmple:
lubomir@307	822	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	823	"<=");
jaroslav@4	824	break;
jaroslav@151	825	case opc_if_icmpgt:
lubomir@307	826	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	827	">");
jaroslav@4	828	break;
jaroslav@151	829	case opc_if_icmpge:
lubomir@307	830	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	831	">=");
jaroslav@4	832	break;
jaroslav@151	833	case opc_goto: {
jaroslav@5	834	int indx = i + readIntArg(byteCodes, i);
lubomir@283	835	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	836	i += 2;
jaroslav@5	837	break;
jaroslav@5	838	}
jaroslav@151	839	case opc_lookupswitch: {
jtulach@128	840	int table = i / 4 * 4 + 4;
jaroslav@115	841	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	842	table += 4;
jaroslav@115	843	int n = readInt4(byteCodes, table);
jaroslav@115	844	table += 4;
lubomir@307	845	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	846	while (n-- > 0) {
jaroslav@115	847	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	848	table += 4;
jaroslav@115	849	int offset = i + readInt4(byteCodes, table);
jaroslav@115	850	table += 4;
jaroslav@115	851	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	852	}
jaroslav@115	853	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	854	i = table - 1;
jaroslav@115	855	break;
jaroslav@115	856	}
jaroslav@151	857	case opc_tableswitch: {
jtulach@128	858	int table = i / 4 * 4 + 4;
jaroslav@115	859	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	860	table += 4;
jaroslav@115	861	int low = readInt4(byteCodes, table);
jaroslav@115	862	table += 4;
jaroslav@115	863	int high = readInt4(byteCodes, table);
jaroslav@115	864	table += 4;
lubomir@307	865	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	866	while (low <= high) {
jaroslav@115	867	int offset = i + readInt4(byteCodes, table);
jaroslav@115	868	table += 4;
jaroslav@115	869	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	870	low++;
jaroslav@115	871	}
jaroslav@115	872	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	873	i = table - 1;
jaroslav@115	874	break;
jaroslav@115	875	}
jaroslav@151	876	case opc_invokeinterface: {
lubomir@307	877	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	878	break;
jaroslav@46	879	}
jaroslav@151	880	case opc_invokevirtual:
lubomir@307	881	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	882	break;
jaroslav@151	883	case opc_invokespecial:
lubomir@307	884	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	885	break;
jaroslav@151	886	case opc_invokestatic:
lubomir@307	887	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	888	break;
jaroslav@151	889	case opc_new: {
jaroslav@8	890	int indx = readIntArg(byteCodes, i);
jaroslav@151	891	String ci = jc.getClassName(indx);
lubomir@474	892	emit(out, "var @1 = new @2;",
lubomir@317	893	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	894	addReference(ci);
jaroslav@8	895	i += 2;
jaroslav@8	896	break;
jaroslav@8	897	}
lubomir@283	898	case opc_newarray:
jaroslav@448	899	int atype = readByte(byteCodes, ++i);
jaroslav@448	900	String jvmType;
jaroslav@448	901	switch (atype) {
jaroslav@448	902	case 4: jvmType = "[Z"; break;
jaroslav@448	903	case 5: jvmType = "[C"; break;
jaroslav@448	904	case 6: jvmType = "[F"; break;
jaroslav@448	905	case 7: jvmType = "[D"; break;
jaroslav@448	906	case 8: jvmType = "[B"; break;
jaroslav@448	907	case 9: jvmType = "[S"; break;
jaroslav@448	908	case 10: jvmType = "[I"; break;
jaroslav@448	909	case 11: jvmType = "[J"; break;
jaroslav@448	910	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@448	911	}
jaroslav@488	912	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@448	913	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@21	914	break;
jaroslav@448	915	case opc_anewarray: {
jaroslav@448	916	int type = readIntArg(byteCodes, i);
jaroslav@448	917	i += 2;
jaroslav@448	918	String typeName = jc.getClassName(type);
jaroslav@448	919	if (typeName.startsWith("[")) {
jaroslav@448	920	typeName = "[" + typeName;
jaroslav@448	921	} else {
jaroslav@448	922	typeName = "[L" + typeName + ";";
jaroslav@448	923	}
jaroslav@488	924	emit(out, "var @2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@448	925	smapper.popI(), smapper.pushA(), typeName);
jaroslav@21	926	break;
jaroslav@448	927	}
jaroslav@151	928	case opc_multianewarray: {
jaroslav@448	929	int type = readIntArg(byteCodes, i);
jtulach@128	930	i += 2;
jaroslav@448	931	String typeName = jc.getClassName(type);
jtulach@128	932	int dim = readByte(byteCodes, ++i);
jaroslav@481	933	StringBuilder dims = new StringBuilder();
jaroslav@481	934	dims.append('[');
jaroslav@481	935	for (int d = 0; d < dim; d++) {
jaroslav@481	936	if (d != 0) {
jaroslav@481	937	dims.append(",");
jaroslav@481	938	}
jaroslav@481	939	dims.append(smapper.popI());
jtulach@128	940	}
jaroslav@481	941	dims.append(']');
jaroslav@488	942	emit(out, "var @2 = Array.prototype.multiNewArray__Ljava_lang_Object_2Ljava_lang_String_2_3II('@3', @1, 0);",
jaroslav@481	943	dims.toString(), smapper.pushA(), typeName);
jtulach@128	944	break;
jtulach@128	945	}
jaroslav@151	946	case opc_arraylength:
lubomir@474	947	emit(out, "var @2 = @1.length;",
lubomir@474	948	smapper.popA(), smapper.pushI());
jaroslav@272	949	break;
lubomir@283	950	case opc_lastore:
jaroslav@459	951	emit(out, "@3.at(@2, @1);",
lubomir@307	952	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	953	break;
lubomir@283	954	case opc_fastore:
jaroslav@459	955	emit(out, "@3.at(@2, @1);",
lubomir@307	956	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	957	break;
lubomir@283	958	case opc_dastore:
jaroslav@459	959	emit(out, "@3.at(@2, @1);",
lubomir@307	960	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	961	break;
lubomir@283	962	case opc_aastore:
jaroslav@459	963	emit(out, "@3.at(@2, @1);",
lubomir@307	964	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	965	break;
jaroslav@151	966	case opc_iastore:
jaroslav@151	967	case opc_bastore:
jaroslav@151	968	case opc_castore:
lubomir@283	969	case opc_sastore:
jaroslav@459	970	emit(out, "@3.at(@2, @1);",
lubomir@307	971	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	972	break;
lubomir@283	973	case opc_laload:
lubomir@474	974	emit(out, "var @3 = @2.at(@1);",
lubomir@307	975	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	976	break;
lubomir@283	977	case opc_faload:
lubomir@474	978	emit(out, "var @3 = @2.at(@1);",
lubomir@307	979	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	980	break;
lubomir@283	981	case opc_daload:
lubomir@474	982	emit(out, "var @3 = @2.at(@1);",
lubomir@307	983	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	984	break;
lubomir@283	985	case opc_aaload:
lubomir@474	986	emit(out, "var @3 = @2.at(@1);",
lubomir@307	987	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	988	break;
jaroslav@272	989	case opc_iaload:
jaroslav@272	990	case opc_baload:
jaroslav@272	991	case opc_caload:
lubomir@283	992	case opc_saload:
lubomir@474	993	emit(out, "var @3 = @2.at(@1);",
lubomir@307	994	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	995	break;
lubomir@221	996	case opc_pop:
jaroslav@272	997	case opc_pop2:
lubomir@307	998	smapper.pop(1);
jaroslav@399	999	debug("/* pop */");
jaroslav@272	1000	break;
lubomir@281	1001	case opc_dup: {
lubomir@307	1002	final Variable v = smapper.get(0);
lubomir@474	1003	emit(out, "var @1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1004	break;
jaroslav@21	1005	}
lubomir@281	1006	case opc_dup2: {
lubomir@307	1007	if (smapper.get(0).isCategory2()) {
lubomir@307	1008	final Variable v = smapper.get(0);
lubomir@474	1009	emit(out, "var @1 = @2;",
lubomir@474	1010	smapper.pushT(v.getType()), v);
lubomir@281	1011	} else {
lubomir@307	1012	final Variable v1 = smapper.get(0);
lubomir@307	1013	final Variable v2 = smapper.get(1);
lubomir@474	1014	emit(out, "var @1 = @2, @3 = @4;",
lubomir@307	1015	smapper.pushT(v2.getType()), v2,
lubomir@307	1016	smapper.pushT(v1.getType()), v1);
lubomir@281	1017	}
jaroslav@21	1018	break;
jaroslav@21	1019	}
lubomir@281	1020	case opc_dup_x1: {
lubomir@307	1021	final Variable vi1 = smapper.pop();
lubomir@307	1022	final Variable vi2 = smapper.pop();
lubomir@307	1023	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1024	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1025	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1026
lubomir@474	1027	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1028	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1029	break;
lubomir@281	1030	}
lubomir@281	1031	case opc_dup_x2: {
lubomir@307	1032	if (smapper.get(1).isCategory2()) {
lubomir@307	1033	final Variable vi1 = smapper.pop();
lubomir@307	1034	final Variable vi2 = smapper.pop();
lubomir@307	1035	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1036	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1037	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1038
lubomir@474	1039	emit(out, "var @1 = @2, @3 = @4, @5 = @6;",
lubomir@283	1040	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1041	} else {
lubomir@307	1042	final Variable vi1 = smapper.pop();
lubomir@307	1043	final Variable vi2 = smapper.pop();
lubomir@307	1044	final Variable vi3 = smapper.pop();
lubomir@307	1045	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1046	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1047	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1048	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1049
lubomir@474	1050	emit(out, "var @1 = @2, @3 = @4, @5 = @6, @7 = @8;",
lubomir@283	1051	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1052	}
jaroslav@8	1053	break;
lubomir@281	1054	}
jaroslav@151	1055	case opc_bipush:
lubomir@474	1056	emit(out, "var @1 = @2;",
lubomir@307	1057	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1058	break;
jaroslav@151	1059	case opc_sipush:
lubomir@474	1060	emit(out, "var @1 = @2;",
lubomir@307	1061	smapper.pushI(),
lubomir@283	1062	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1063	i += 2;
jaroslav@31	1064	break;
jaroslav@151	1065	case opc_getfield: {
jaroslav@8	1066	int indx = readIntArg(byteCodes, i);
jaroslav@151	1067	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1068	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@474	1069	emit(out, "var @2 = @1.fld_@3;",
lubomir@307	1070	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1071	i += 2;
jaroslav@8	1072	break;
jaroslav@8	1073	}
jaroslav@151	1074	case opc_getstatic: {
jaroslav@9	1075	int indx = readIntArg(byteCodes, i);
jaroslav@151	1076	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1077	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@474	1078	emit(out, "var @1 = @2(false).constructor.@3;",
lubomir@317	1079	smapper.pushT(type),
lubomir@317	1080	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1081	i += 2;
jaroslav@151	1082	addReference(fi[0]);
jaroslav@9	1083	break;
jaroslav@9	1084	}
jaroslav@151	1085	case opc_putfield: {
jaroslav@10	1086	int indx = readIntArg(byteCodes, i);
jaroslav@151	1087	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1088	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1089	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1090	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1091	i += 2;
jaroslav@10	1092	break;
jaroslav@10	1093	}
lubomir@281	1094	case opc_putstatic: {
lubomir@281	1095	int indx = readIntArg(byteCodes, i);
lubomir@281	1096	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1097	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1098	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1099	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1100	smapper.popT(type));
lubomir@281	1101	i += 2;
lubomir@281	1102	addReference(fi[0]);
lubomir@281	1103	break;
lubomir@281	1104	}
jaroslav@151	1105	case opc_checkcast: {
jaroslav@30	1106	int indx = readIntArg(byteCodes, i);
jaroslav@151	1107	final String type = jc.getClassName(indx);
jaroslav@42	1108	if (!type.startsWith("[")) {
jaroslav@42	1109	// no way to check arrays right now
lubomir@283	1110	// XXX proper exception
lubomir@317	1111	emit(out,
lubomir@317	1112	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1113	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1114	}
jaroslav@30	1115	i += 2;
jaroslav@30	1116	break;
jaroslav@30	1117	}
jaroslav@151	1118	case opc_instanceof: {
jaroslav@17	1119	int indx = readIntArg(byteCodes, i);
jaroslav@151	1120	final String type = jc.getClassName(indx);
lubomir@474	1121	emit(out, "var @2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1122	smapper.popA(), smapper.pushI(),
lubomir@317	1123	type.replace('/', '_'));
jaroslav@17	1124	i += 2;
jaroslav@30	1125	break;
jaroslav@17	1126	}
jaroslav@151	1127	case opc_athrow: {
lubomir@307	1128	final Variable v = smapper.popA();
lubomir@307	1129	smapper.clear();
lubomir@281	1130
lubomir@474	1131	emit(out, "{ var @1 = @2; throw @2; }",
lubomir@307	1132	smapper.pushA(), v);
jaroslav@104	1133	break;
jaroslav@104	1134	}
lubomir@221	1135
lubomir@221	1136	case opc_monitorenter: {
lubomir@221	1137	out.append("/* monitor enter */");
lubomir@307	1138	smapper.popA();
lubomir@221	1139	break;
lubomir@221	1140	}
lubomir@221	1141
lubomir@221	1142	case opc_monitorexit: {
lubomir@221	1143	out.append("/* monitor exit */");
lubomir@307	1144	smapper.popA();
lubomir@221	1145	break;
lubomir@221	1146	}
lubomir@221	1147
jaroslav@104	1148	default: {
lubomir@283	1149	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1150	Integer.toString(c));
jaroslav@104	1151	}
jaroslav@0	1152	}
jaroslav@399	1153	if (debug(" //")) {
jaroslav@399	1154	for (int j = prev; j <= i; j++) {
jaroslav@399	1155	out.append(" ");
jaroslav@399	1156	final int cc = readByte(byteCodes, j);
jaroslav@399	1157	out.append(Integer.toString(cc));
tzezula@285	1158	}
jaroslav@0	1159	}
tzezula@285	1160	out.append("\n");
jaroslav@0	1161	}
jaroslav@398	1162	if (previousTrap != null) {
jaroslav@398	1163	generateCatch(previousTrap);
jaroslav@398	1164	}
jaroslav@10	1165	out.append(" }\n");
lubomir@307	1166	out.append("};");
jaroslav@4	1167	}
jaroslav@4	1168
lubomir@281	1169	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1170	final Variable v2, final Variable v1,
lubomir@281	1171	final String test) throws IOException {
jaroslav@4	1172	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1173	out.append("if (").append(v1)
lubomir@221	1174	.append(' ').append(test).append(' ')
lubomir@281	1175	.append(v2).append(") { gt = " + indx)
lubomir@221	1176	.append("; continue; }");
jaroslav@4	1177	return i + 2;
jaroslav@4	1178	}
jaroslav@4	1179
jaroslav@4	1180	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1181	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1182	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1183	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1184	}
jaroslav@115	1185	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1186	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1187	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1188	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1189	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1190	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1191	}
jtulach@128	1192	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1193	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1194	}
jaroslav@4	1195
lubomir@281	1196	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1197	int i = 0;
jaroslav@4	1198	Boolean count = null;
jaroslav@32	1199	boolean array = false;
jaroslav@248	1200	sig.append("__");
jaroslav@10	1201	int firstPos = sig.length();
jaroslav@4	1202	while (i < descriptor.length()) {
jaroslav@4	1203	char ch = descriptor.charAt(i++);
jaroslav@4	1204	switch (ch) {
jaroslav@4	1205	case '(':
jaroslav@4	1206	count = true;
jaroslav@4	1207	continue;
jaroslav@4	1208	case ')':
jaroslav@4	1209	count = false;
jaroslav@4	1210	continue;
jaroslav@4	1211	case 'B':
jaroslav@4	1212	case 'C':
jaroslav@4	1213	case 'D':
jaroslav@4	1214	case 'F':
jaroslav@4	1215	case 'I':
jaroslav@4	1216	case 'J':
jaroslav@4	1217	case 'S':
jaroslav@4	1218	case 'Z':
jaroslav@4	1219	if (count) {
jaroslav@32	1220	if (array) {
jaroslav@248	1221	sig.append("_3");
jaroslav@32	1222	}
jaroslav@4	1223	sig.append(ch);
jtulach@156	1224	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1225	cnt.append('1');
jtulach@156	1226	} else {
jtulach@156	1227	cnt.append('0');
jtulach@156	1228	}
jaroslav@4	1229	} else {
jaroslav@10	1230	sig.insert(firstPos, ch);
jaroslav@32	1231	if (array) {
lubomir@281	1232	returnType[0] = '[';
jaroslav@248	1233	sig.insert(firstPos, "_3");
lubomir@281	1234	} else {
lubomir@281	1235	returnType[0] = ch;
jaroslav@32	1236	}
jaroslav@4	1237	}
jaroslav@93	1238	array = false;
jaroslav@4	1239	continue;
jaroslav@4	1240	case 'V':
jaroslav@4	1241	assert !count;
lubomir@281	1242	returnType[0] = 'V';
jaroslav@10	1243	sig.insert(firstPos, 'V');
jaroslav@4	1244	continue;
jaroslav@4	1245	case 'L':
jaroslav@16	1246	int next = descriptor.indexOf(';', i);
jaroslav@248	1247	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1248	if (count) {
jaroslav@32	1249	if (array) {
jaroslav@248	1250	sig.append("_3");
jaroslav@32	1251	}
jaroslav@248	1252	sig.append(realSig);
jtulach@156	1253	cnt.append('0');
jaroslav@4	1254	} else {
jaroslav@248	1255	sig.insert(firstPos, realSig);
jaroslav@32	1256	if (array) {
jaroslav@248	1257	sig.insert(firstPos, "_3");
jaroslav@32	1258	}
lubomir@281	1259	returnType[0] = 'L';
jaroslav@4	1260	}
jaroslav@16	1261	i = next + 1;
lubomir@407	1262	array = false;
jaroslav@4	1263	continue;
jaroslav@4	1264	case '[':
jaroslav@248	1265	array = true;
jaroslav@4	1266	continue;
jaroslav@4	1267	default:
jaroslav@248	1268	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1269	}
jaroslav@4	1270	}
jaroslav@0	1271	}
jaroslav@248	1272
jaroslav@248	1273	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1274	StringBuilder sb = new StringBuilder();
jaroslav@248	1275	for (int i = first; i < last; i++) {
jaroslav@248	1276	final char ch = txt.charAt(i);
jaroslav@248	1277	switch (ch) {
jaroslav@248	1278	case '/': sb.append('_'); break;
jaroslav@248	1279	case '_': sb.append("_1"); break;
jaroslav@248	1280	case ';': sb.append("_2"); break;
jaroslav@248	1281	case '[': sb.append("_3"); break;
jaroslav@248	1282	default: sb.append(ch); break;
jaroslav@248	1283	}
jaroslav@248	1284	}
jaroslav@248	1285	return sb.toString();
jaroslav@248	1286	}
jaroslav@9	1287
jaroslav@248	1288	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1289	StringBuilder name = new StringBuilder();
jaroslav@10	1290	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1291	name.append("cons"); // NOI18N
jaroslav@19	1292	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1293	name.append("class"); // NOI18N
jaroslav@10	1294	} else {
jaroslav@42	1295	name.append(m.getName());
jaroslav@10	1296	}
jaroslav@42	1297
lubomir@282	1298	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1299	return name.toString();
jaroslav@10	1300	}
jaroslav@10	1301
lubomir@282	1302	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1303	StringBuilder name = new StringBuilder();
jaroslav@151	1304	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1305	String nm= mi[1];
jaroslav@151	1306	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1307	name.append("cons"); // NOI18N
jaroslav@10	1308	} else {
jaroslav@151	1309	name.append(nm);
jaroslav@10	1310	}
lubomir@282	1311	countArgs(descr, returnType, name, cnt);
jaroslav@10	1312	return name.toString();
jaroslav@10	1313	}
jaroslav@10	1314
lubomir@307	1315	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1316	throws IOException {
jaroslav@10	1317	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1318	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1319	char[] returnType = { 'V' };
jtulach@156	1320	StringBuilder cnt = new StringBuilder();
lubomir@281	1321	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1322
lubomir@221	1323	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1324	final Variable[] vars = new Variable[numArguments];
lubomir@221	1325
lubomir@281	1326	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1327	vars[j] = mapper.pop();
jaroslav@11	1328	}
lubomir@281	1329
lubomir@281	1330	if (returnType[0] != 'V') {
lubomir@474	1331	out.append("var ")
lubomir@474	1332	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1333	.append(" = ");
jaroslav@10	1334	}
lubomir@221	1335
jaroslav@151	1336	final String in = mi[0];
jaroslav@274	1337	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1338	out.append("(false).");
jaroslav@397	1339	if (mn.startsWith("cons_")) {
jaroslav@397	1340	out.append("constructor.");
jaroslav@397	1341	}
jaroslav@10	1342	out.append(mn);
jaroslav@442	1343	if (isStatic) {
jaroslav@442	1344	out.append('(');
jaroslav@442	1345	} else {
jaroslav@442	1346	out.append(".call(");
jaroslav@442	1347	}
lubomir@221	1348	if (numArguments > 0) {
lubomir@281	1349	out.append(vars[0]);
lubomir@281	1350	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1351	out.append(", ");
lubomir@281	1352	out.append(vars[j]);
lubomir@221	1353	}
jaroslav@10	1354	}
lubomir@221	1355	out.append(");");
jaroslav@10	1356	i += 2;
jaroslav@18	1357	addReference(in);
jaroslav@10	1358	return i;
jaroslav@10	1359	}
lubomir@307	1360	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1361	throws IOException {
jaroslav@12	1362	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1363	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1364	char[] returnType = { 'V' };
jtulach@156	1365	StringBuilder cnt = new StringBuilder();
lubomir@281	1366	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1367
lubomir@281	1368	final int numArguments = cnt.length() + 1;
lubomir@281	1369	final Variable[] vars = new Variable[numArguments];
lubomir@221	1370
lubomir@281	1371	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1372	vars[j] = mapper.pop();
jaroslav@12	1373	}
lubomir@221	1374
lubomir@281	1375	if (returnType[0] != 'V') {
lubomir@474	1376	out.append("var ")
lubomir@474	1377	.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1378	.append(" = ");
jaroslav@12	1379	}
lubomir@281	1380
lubomir@281	1381	out.append(vars[0]).append('.');
jaroslav@12	1382	out.append(mn);
jaroslav@12	1383	out.append('(');
jaroslav@442	1384	String sep = "";
lubomir@281	1385	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1386	out.append(sep);
lubomir@281	1387	out.append(vars[j]);
jaroslav@442	1388	sep = ", ";
jaroslav@12	1389	}
lubomir@221	1390	out.append(");");
jaroslav@12	1391	i += 2;
jaroslav@12	1392	return i;
jaroslav@12	1393	}
lubomir@221	1394
jaroslav@103	1395	private void addReference(String cn) throws IOException {
jtulach@162	1396	if (requireReference(cn)) {
jaroslav@399	1397	debug(" /* needs " + cn + " */");
jaroslav@18	1398	}
jaroslav@18	1399	}
jaroslav@16	1400
jaroslav@33	1401	private void outType(String d, StringBuilder out) {
jaroslav@33	1402	int arr = 0;
jaroslav@33	1403	while (d.charAt(0) == '[') {
jaroslav@33	1404	out.append('A');
jaroslav@33	1405	d = d.substring(1);
jaroslav@33	1406	}
jaroslav@16	1407	if (d.charAt(0) == 'L') {
jaroslav@16	1408	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1409	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1410	} else {
jaroslav@16	1411	out.append(d);
jaroslav@16	1412	}
jaroslav@16	1413	}
jaroslav@21	1414
jaroslav@230	1415	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1416	String[] classRef = { null };
jaroslav@230	1417	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1418	if (classRef[0] != null) {
jaroslav@230	1419	addReference(classRef[0]);
jaroslav@274	1420	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1421	}
jaroslav@151	1422	return s;
jaroslav@21	1423	}
jaroslav@32	1424
jaroslav@266	1425	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1426	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1427	if (arr == null) {
jaroslav@266	1428	return null;
jaroslav@152	1429	}
jaroslav@200	1430	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1431	class P extends AnnotationParser {
jaroslav@237	1432	public P() {
jaroslav@237	1433	super(false);
jaroslav@237	1434	}
jaroslav@237	1435
jaroslav@152	1436	int cnt;
jaroslav@152	1437	String[] args = new String[30];
jaroslav@152	1438	String body;
jaroslav@94	1439
jaroslav@152	1440	@Override
jaroslav@236	1441	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1442	if (type.equals(jvmType)) {
jaroslav@152	1443	if ("body".equals(attr)) {
jaroslav@152	1444	body = value;
jaroslav@152	1445	} else if ("args".equals(attr)) {
jaroslav@152	1446	args[cnt++] = value;
jaroslav@152	1447	} else {
jaroslav@152	1448	throw new IllegalArgumentException(attr);
jaroslav@152	1449	}
jaroslav@152	1450	}
jaroslav@94	1451	}
jaroslav@94	1452	}
jaroslav@152	1453	P p = new P();
jaroslav@152	1454	p.parse(arr, jc);
jaroslav@152	1455	if (p.body == null) {
jaroslav@266	1456	return null;
jaroslav@152	1457	}
jtulach@156	1458	StringBuilder cnt = new StringBuilder();
jaroslav@266	1459	final String mn = findMethodName(m, cnt);
jaroslav@266	1460	out.append(prefix).append(mn);
jaroslav@203	1461	out.append(" = function(");
jaroslav@442	1462	String space = "";
jaroslav@443	1463	int index = 0;
jtulach@156	1464	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1465	out.append(space);
jaroslav@316	1466	space = outputArg(out, p.args, index);
jaroslav@152	1467	index++;
jaroslav@152	1468	}
jaroslav@152	1469	out.append(") {").append("\n");
jaroslav@152	1470	out.append(p.body);
jaroslav@152	1471	out.append("\n}\n");
jaroslav@266	1472	return mn;
jaroslav@151	1473	}
jaroslav@151	1474	private static String className(ClassData jc) {
jaroslav@151	1475	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1476	return jc.getClassName().replace('/', '_');
jaroslav@94	1477	}
jaroslav@152	1478
jaroslav@152	1479	private static String[] findAnnotation(
jaroslav@152	1480	byte[] arr, ClassData cd, final String className,
jaroslav@152	1481	final String... attrNames
jaroslav@152	1482	) throws IOException {
jaroslav@152	1483	if (arr == null) {
jaroslav@152	1484	return null;
jaroslav@152	1485	}
jaroslav@152	1486	final String[] values = new String[attrNames.length];
jaroslav@152	1487	final boolean[] found = { false };
jaroslav@152	1488	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1489	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1490	@Override
jaroslav@236	1491	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1492	if (type.equals(jvmType)) {
jaroslav@152	1493	found[0] = true;
jaroslav@152	1494	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1495	if (attrNames[i].equals(attr)) {
jaroslav@152	1496	values[i] = value;
jaroslav@152	1497	}
jaroslav@152	1498	}
jaroslav@152	1499	}
jaroslav@152	1500	}
jaroslav@152	1501
jaroslav@152	1502	};
jaroslav@152	1503	ap.parse(arr, cd);
jaroslav@152	1504	return found[0] ? values : null;
jaroslav@152	1505	}
jaroslav@173	1506
jaroslav@173	1507	private CharSequence initField(FieldData v) {
jaroslav@173	1508	final String is = v.getInternalSig();
jaroslav@173	1509	if (is.length() == 1) {
jaroslav@173	1510	switch (is.charAt(0)) {
jaroslav@173	1511	case 'S':
jaroslav@173	1512	case 'J':
jaroslav@173	1513	case 'B':
jaroslav@173	1514	case 'Z':
jaroslav@173	1515	case 'C':
jaroslav@173	1516	case 'I': return " = 0;";
jaroslav@173	1517	case 'F':
jaroslav@180	1518	case 'D': return " = 0.0;";
jaroslav@173	1519	default:
jaroslav@173	1520	throw new IllegalStateException(is);
jaroslav@173	1521	}
jaroslav@173	1522	}
jaroslav@173	1523	return " = null;";
jaroslav@173	1524	}
jaroslav@235	1525
jaroslav@235	1526	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1527	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1528	int anno;
jaroslav@235	1529	int cnt;
jaroslav@235	1530
jaroslav@235	1531	@Override
jaroslav@235	1532	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1533	if (anno++ > 0) {
jaroslav@237	1534	out.append(",");
jaroslav@237	1535	}
jaroslav@235	1536	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1537	cnt = 0;
jaroslav@235	1538	}
jaroslav@235	1539
jaroslav@235	1540	@Override
jaroslav@235	1541	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1542	out.append("\n}\n");
jaroslav@235	1543	}
jaroslav@235	1544
jaroslav@235	1545	@Override
jaroslav@236	1546	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1547	throws IOException {
jaroslav@266	1548	if (attr == null) {
jaroslav@266	1549	return;
jaroslav@266	1550	}
jaroslav@235	1551	if (cnt++ > 0) {
jaroslav@235	1552	out.append(",\n");
jaroslav@235	1553	}
jaroslav@250	1554	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1555	}
jaroslav@235	1556	};
jaroslav@235	1557	ap.parse(data, cd);
jaroslav@235	1558	}
jaroslav@316	1559
jaroslav@316	1560	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1561	final String name = args[indx];
jaroslav@316	1562	if (name == null) {
jaroslav@316	1563	return "";
jaroslav@316	1564	}
jaroslav@316	1565	if (name.contains(",")) {
jaroslav@316	1566	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1567	}
jaroslav@316	1568	out.append(name);
jaroslav@316	1569	return ",";
jaroslav@316	1570	}
lubomir@317	1571
lubomir@283	1572	private static void emit(final Appendable out,
lubomir@283	1573	final String format,
lubomir@283	1574	final CharSequence... params) throws IOException {
lubomir@283	1575	final int length = format.length();
lubomir@283	1576
lubomir@283	1577	int processed = 0;
lubomir@283	1578	int paramOffset = format.indexOf('@');
lubomir@283	1579	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1580	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1581	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1582	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1583
lubomir@283	1584	out.append(format, processed, paramOffset);
lubomir@283	1585	out.append(params[paramIndex]);
lubomir@283	1586
lubomir@283	1587	++paramOffset;
lubomir@283	1588	processed = paramOffset + 1;
lubomir@283	1589	}
lubomir@283	1590
lubomir@283	1591	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1592	}
lubomir@283	1593
lubomir@283	1594	out.append(format, processed, length);
lubomir@283	1595	}
jaroslav@398	1596
jaroslav@398	1597	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1598	out.append("} catch (e) {\n");
jaroslav@401	1599	int finallyPC = -1;
jaroslav@398	1600	for (TrapData e : traps) {
jaroslav@398	1601	if (e == null) {
jaroslav@398	1602	break;
jaroslav@398	1603	}
jaroslav@398	1604	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1605	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1606	addReference(classInternalName);
jaroslav@423	1607	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1608	out.append("if (e.$instOf_java_lang_Throwable) {");
lubomir@474	1609	out.append(" var stA0 = e;");
jaroslav@423	1610	out.append("} else {");
lubomir@474	1611	out.append(" var stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1612	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1613	out.append("}");
jaroslav@423	1614	out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423	1615	} else {
jaroslav@423	1616	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
lubomir@474	1617	out.append("gt=" + e.handler_pc + "; var stA0 = e; continue;");
jaroslav@423	1618	out.append("}\n");
jaroslav@423	1619	}
jaroslav@398	1620	} else {
jaroslav@401	1621	finallyPC = e.handler_pc;
jaroslav@398	1622	}
jaroslav@398	1623	}
jaroslav@401	1624	if (finallyPC == -1) {
jaroslav@401	1625	out.append("throw e;");
jaroslav@401	1626	} else {
lubomir@474	1627	out.append("gt=" + finallyPC + "; var stA0 = e; continue;");
jaroslav@401	1628	}
jaroslav@400	1629	out.append("\n}");
jaroslav@398	1630	}
jaroslav@0	1631	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Sat, 19 Jan 2013 06:07:49 +0100
changeset 488	9288ecf9657c
parent 474	859cc3a0b8f0
parent 481	472209ab1112
child 503	80a388c8c27b
permissions	-rw-r--r--