hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@ac05de5a8786 (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;
jtulach@167	22	import org.apidesign.javap.AnnotationParser;
jtulach@167	23	import org.apidesign.javap.ClassData;
jtulach@167	24	import org.apidesign.javap.FieldData;
jtulach@167	25	import org.apidesign.javap.MethodData;
lubomir@221	26	import org.apidesign.javap.StackMapIterator;
jtulach@167	27	import static org.apidesign.javap.RuntimeConstants.*;
tzezula@287	28	import org.apidesign.javap.TrapData;
jaroslav@288	29	import org.apidesign.javap.TrapDataIterator;
jaroslav@0	30
jaroslav@0	31	/** Translator of the code inside class files to JavaScript.
jaroslav@0	32	*
jaroslav@0	33	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0	34	*/
jaroslav@298	35	abstract class ByteCodeToJavaScript {
jtulach@162	36	private ClassData jc;
jaroslav@272	37	final Appendable out;
jaroslav@0	38
jtulach@162	39	protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0	40	this.out = out;
jaroslav@0	41	}
jtulach@162	42
jtulach@162	43	/* Collects additional required resources.
jtulach@162	44	*
jtulach@162	45	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	46	* generated JavaScript code works properly. The names are in internal
jtulach@162	47	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	48	*/
jtulach@162	49	protected abstract boolean requireReference(String internalClassName);
jtulach@162	50
jtulach@162	51	/*
jtulach@162	52	* @param resourcePath name of resources to read
jtulach@162	53	*/
jtulach@162	54	protected abstract void requireScript(String resourcePath);
jaroslav@213	55
jaroslav@213	56	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	57	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	58	* by <code>" = "</code>;
jaroslav@213	59	*
jaroslav@213	60	* @param className suggested name of the class
jaroslav@213	61	*/
jaroslav@274	62	/* protected */ String assignClass(String className) {
jaroslav@213	63	return className + " = ";
jaroslav@213	64	}
jaroslav@274	65	/* protected */ String accessClass(String classOperation) {
jaroslav@274	66	return classOperation;
jaroslav@274	67	}
jaroslav@399	68
jaroslav@399	69	/** Prints out a debug message.
jaroslav@399	70	*
jaroslav@399	71	* @param msg the message
jaroslav@399	72	* @return true if the message has been printed
jaroslav@399	73	* @throws IOException
jaroslav@399	74	*/
jaroslav@399	75	boolean debug(String msg) throws IOException {
jaroslav@399	76	out.append(msg);
jaroslav@399	77	return true;
jaroslav@399	78	}
jaroslav@18	79
jaroslav@18	80	/**
jaroslav@18	81	* Converts a given class file to a JavaScript version.
jaroslav@18	82	*
jaroslav@0	83	* @param classFile input stream with code of the .class file
jaroslav@97	84	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	85	*
jaroslav@0	86	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	87	*/
jaroslav@18	88
jtulach@162	89	public String compile(InputStream classFile) throws IOException {
jtulach@162	90	this.jc = new ClassData(classFile);
jaroslav@324	91	if (jc.getMajor_version() < 50) {
jaroslav@324	92	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	93	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	94	);
jaroslav@324	95	}
jaroslav@152	96	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	97	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	98	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	99	"resource", "processByteCode"
jaroslav@170	100	);
jaroslav@152	101	if (arr != null) {
jtulach@162	102	requireScript(arr[0]);
jaroslav@152	103	if ("0".equals(arr[1])) {
jaroslav@97	104	return null;
jaroslav@91	105	}
jaroslav@91	106	}
jaroslav@239	107	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	108	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	109	"container", "prototype"
jaroslav@239	110	);
jtulach@162	111	StringArray toInitilize = new StringArray();
jaroslav@151	112	final String className = className(jc);
jaroslav@213	113	out.append("\n\n").append(assignClass(className));
jaroslav@213	114	out.append("function CLS() {");
jaroslav@213	115	out.append("\n if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191	116	for (FieldData v : jc.getFields()) {
jtulach@191	117	if (v.isStatic()) {
jaroslav@213	118	out.append("\n CLS.").append(v.getName()).append(initField(v));
jtulach@191	119	}
jtulach@191	120	}
jaroslav@239	121	if (proto == null) {
jaroslav@239	122	String sc = jc.getSuperClassName(); // with _
jaroslav@230	123	out.append("\n var pp = ").
jaroslav@274	124	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	125	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	126	out.append("\n var c = p;");
jaroslav@230	127	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	128	} else {
jaroslav@240	129	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	130	if (proto[0] == null) {
jaroslav@316	131	proto[0] = "p";
jaroslav@316	132	}
jaroslav@239	133	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	134	out.append("\n var sprcls = null;");
jaroslav@13	135	}
jaroslav@151	136	for (MethodData m : jc.getMethods()) {
jaroslav@240	137	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	138	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	139	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	140	"name", "value"
jaroslav@240	141	);
jaroslav@240	142	if (only != null) {
jaroslav@240	143	if (only[0] != null && only[1] != null) {
jaroslav@240	144	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	145	.append(only[1]).append(";");
jaroslav@240	146	}
jaroslav@240	147	continue;
jaroslav@240	148	}
jaroslav@397	149	String prefix;
jaroslav@266	150	String mn;
jaroslav@203	151	if (m.isStatic()) {
jaroslav@397	152	prefix = "\n c.";
jaroslav@397	153	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	154	} else {
jaroslav@397	155	if (m.isConstructor()) {
jaroslav@397	156	prefix = "\n CLS.";
jaroslav@397	157	mn = generateInstanceMethod(prefix, m);
jaroslav@397	158	} else {
jaroslav@397	159	prefix = "\n c.";
jaroslav@397	160	mn = generateInstanceMethod(prefix, m);
jaroslav@397	161	}
jaroslav@266	162	}
jaroslav@266	163	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	164	if (runAnno != null) {
jaroslav@397	165	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	166	generateAnno(jc, out, runAnno);
jaroslav@266	167	out.append("\n };");
jaroslav@38	168	}
jaroslav@397	169	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38	170	}
jaroslav@239	171	out.append("\n c.constructor = CLS;");
jaroslav@239	172	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	173	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	174	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	175	}
jaroslav@274	176	out.append("\n CLS.$class = ");
jaroslav@274	177	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	178	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	179	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	180	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	181	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	182	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	183	if (classAnno != null) {
jaroslav@235	184	out.append("\n CLS.$class.anno = {");
jaroslav@235	185	generateAnno(jc, out, classAnno);
jaroslav@235	186	out.append("\n };");
jaroslav@235	187	}
jaroslav@204	188	out.append("\n }");
jaroslav@205	189	out.append("\n if (arguments.length === 0) {");
jaroslav@226	190	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	191	out.append("\n return new CLS();");
jaroslav@226	192	out.append("\n }");
jaroslav@205	193	for (FieldData v : jc.getFields()) {
jaroslav@240	194	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	195	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	196	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	197	"name", "value"
jaroslav@240	198	);
jaroslav@240	199	if (only != null) {
jaroslav@240	200	if (only[0] != null && only[1] != null) {
jaroslav@240	201	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	202	.append(only[1]).append(";");
jaroslav@240	203	}
jaroslav@240	204	continue;
jaroslav@240	205	}
jaroslav@205	206	if (!v.isStatic()) {
jaroslav@205	207	out.append("\n this.fld_").
jaroslav@205	208	append(v.getName()).append(initField(v));
jaroslav@205	209	}
jaroslav@205	210	}
jaroslav@205	211	out.append("\n return this;");
jaroslav@205	212	out.append("\n }");
jaroslav@224	213	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98	214	out.append("\n}");
jaroslav@97	215	StringBuilder sb = new StringBuilder();
jtulach@162	216	for (String init : toInitilize.toArray()) {
jaroslav@97	217	sb.append("\n").append(init).append("();");
jaroslav@21	218	}
jaroslav@97	219	return sb.toString();
jaroslav@0	220	}
jaroslav@266	221	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	222	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	223	if (jsb != null) {
jaroslav@266	224	return jsb;
jaroslav@94	225	}
lubomir@307	226	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	227	if (mn.equals("class__V")) {
jaroslav@274	228	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	229	}
lubomir@307	230	generateMethod(prefix, mn, m);
jaroslav@266	231	return mn;
jaroslav@10	232	}
lubomir@307	233
jaroslav@266	234	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	235	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	236	if (jsb != null) {
jaroslav@266	237	return jsb;
jaroslav@94	238	}
lubomir@307	239	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	240	generateMethod(prefix, mn, m);
jaroslav@266	241	return mn;
jaroslav@0	242	}
jaroslav@0	243
lubomir@307	244	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	245	throws IOException {
lubomir@307	246	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	247	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	248	final LocalsMapper lmapper =
lubomir@307	249	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	250
lubomir@307	251	out.append(prefix).append(name).append(" = function(");
jaroslav@442	252	lmapper.outputArguments(out, m.isStatic());
lubomir@307	253	out.append(") {").append("\n");
lubomir@307	254
lubomir@221	255	final byte[] byteCodes = m.getCode();
lubomir@307	256	if (byteCodes == null) {
lubomir@307	257	out.append(" throw 'no code found for ")
jaroslav@424	258	.append(jc.getClassName()).append('.')
jaroslav@424	259	.append(m.getName()).append("';\n");
lubomir@307	260	out.append("};");
lubomir@307	261	return;
lubomir@307	262	}
lubomir@307	263
lubomir@307	264	final StackMapper smapper = new StackMapper();
lubomir@307	265
lubomir@307	266	final int maxLocals = m.getMaxLocals();
lubomir@307	267	if (maxLocals > 0) {
lubomir@307	268	// TODO: generate only used local variables
lubomir@307	269	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@307	270	out.append("\n var ").append(Variable.getLocalVariable(j, 0));
lubomir@307	271	for (int i = 1; i < maxLocals; ++i) {
lubomir@307	272	out.append(", ");
lubomir@307	273	out.append(Variable.getLocalVariable(j, i));
lubomir@307	274	}
lubomir@307	275	out.append(';');
lubomir@307	276	}
lubomir@307	277	}
jaroslav@442	278	if (!m.isStatic()) {
jaroslav@442	279	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	280	}
lubomir@221	281
lubomir@221	282	// maxStack includes two stack positions for every pushed long / double
lubomir@221	283	// so this might generate more stack variables than we need
lubomir@221	284	final int maxStack = m.getMaxStack();
lubomir@221	285	if (maxStack > 0) {
lubomir@281	286	// TODO: generate only used stack variables
lubomir@307	287	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281	288	out.append("\n var ").append(Variable.getStackVariable(j, 0));
lubomir@281	289	for (int i = 1; i < maxStack; ++i) {
lubomir@281	290	out.append(", ");
lubomir@281	291	out.append(Variable.getStackVariable(j, i));
lubomir@281	292	}
lubomir@281	293	out.append(';');
lubomir@221	294	}
lubomir@221	295	}
lubomir@221	296
lubomir@221	297	int lastStackFrame = -1;
jaroslav@398	298	TrapData[] previousTrap = null;
jaroslav@398	299
jaroslav@10	300	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	301	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	302	int prev = i;
lubomir@221	303	stackMapIterator.advanceTo(i);
jaroslav@398	304	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	305	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	306	if (previousTrap != null) {
jaroslav@398	307	generateCatch(previousTrap);
jaroslav@398	308	previousTrap = null;
jaroslav@398	309	}
jaroslav@398	310	}
lubomir@221	311	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	312	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	313	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	314	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	315	out.append(" case " + i).append(": ");
jaroslav@398	316	changeInCatch = true;
lubomir@221	317	} else {
jaroslav@399	318	debug(" /* " + i + " */ ");
lubomir@221	319	}
jaroslav@398	320	if (changeInCatch && trap.useTry()) {
tzezula@285	321	out.append("try {");
jaroslav@398	322	previousTrap = trap.current();
tzezula@285	323	}
jtulach@128	324	final int c = readByte(byteCodes, i);
jaroslav@0	325	switch (c) {
jaroslav@151	326	case opc_aload_0:
lubomir@307	327	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	328	break;
jaroslav@151	329	case opc_iload_0:
lubomir@307	330	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	331	break;
jaroslav@151	332	case opc_lload_0:
lubomir@307	333	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	334	break;
jaroslav@151	335	case opc_fload_0:
lubomir@307	336	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	337	break;
jaroslav@151	338	case opc_dload_0:
lubomir@307	339	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	340	break;
jaroslav@151	341	case opc_aload_1:
lubomir@307	342	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	343	break;
jaroslav@151	344	case opc_iload_1:
lubomir@307	345	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	346	break;
jaroslav@151	347	case opc_lload_1:
lubomir@307	348	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	349	break;
jaroslav@151	350	case opc_fload_1:
lubomir@307	351	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	352	break;
jaroslav@151	353	case opc_dload_1:
lubomir@307	354	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	355	break;
jaroslav@151	356	case opc_aload_2:
lubomir@307	357	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	358	break;
jaroslav@151	359	case opc_iload_2:
lubomir@307	360	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	361	break;
jaroslav@151	362	case opc_lload_2:
lubomir@307	363	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	364	break;
jaroslav@151	365	case opc_fload_2:
lubomir@307	366	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	367	break;
jaroslav@151	368	case opc_dload_2:
lubomir@307	369	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	370	break;
jaroslav@151	371	case opc_aload_3:
lubomir@307	372	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	373	break;
jaroslav@151	374	case opc_iload_3:
lubomir@307	375	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	376	break;
jaroslav@151	377	case opc_lload_3:
lubomir@307	378	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	379	break;
jaroslav@151	380	case opc_fload_3:
lubomir@307	381	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	382	break;
jaroslav@151	383	case opc_dload_3:
lubomir@307	384	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	385	break;
lubomir@281	386	case opc_iload: {
lubomir@281	387	final int indx = readByte(byteCodes, ++i);
lubomir@307	388	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	389	break;
lubomir@281	390	}
lubomir@281	391	case opc_lload: {
lubomir@281	392	final int indx = readByte(byteCodes, ++i);
lubomir@307	393	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	394	break;
lubomir@281	395	}
lubomir@281	396	case opc_fload: {
lubomir@281	397	final int indx = readByte(byteCodes, ++i);
lubomir@307	398	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	399	break;
lubomir@281	400	}
lubomir@281	401	case opc_dload: {
lubomir@281	402	final int indx = readByte(byteCodes, ++i);
lubomir@307	403	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	404	break;
lubomir@281	405	}
jaroslav@151	406	case opc_aload: {
jtulach@128	407	final int indx = readByte(byteCodes, ++i);
lubomir@307	408	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	409	break;
jaroslav@3	410	}
lubomir@281	411	case opc_istore: {
lubomir@281	412	final int indx = readByte(byteCodes, ++i);
lubomir@307	413	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	414	break;
lubomir@281	415	}
lubomir@281	416	case opc_lstore: {
lubomir@281	417	final int indx = readByte(byteCodes, ++i);
lubomir@307	418	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	419	break;
lubomir@281	420	}
lubomir@281	421	case opc_fstore: {
lubomir@281	422	final int indx = readByte(byteCodes, ++i);
lubomir@307	423	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	424	break;
lubomir@281	425	}
lubomir@281	426	case opc_dstore: {
lubomir@281	427	final int indx = readByte(byteCodes, ++i);
lubomir@307	428	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	429	break;
lubomir@281	430	}
jaroslav@151	431	case opc_astore: {
jtulach@128	432	final int indx = readByte(byteCodes, ++i);
lubomir@307	433	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	434	break;
jaroslav@31	435	}
jaroslav@151	436	case opc_astore_0:
lubomir@307	437	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	438	break;
jaroslav@151	439	case opc_istore_0:
lubomir@307	440	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	441	break;
jaroslav@151	442	case opc_lstore_0:
lubomir@307	443	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	444	break;
jaroslav@151	445	case opc_fstore_0:
lubomir@307	446	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	447	break;
jaroslav@151	448	case opc_dstore_0:
lubomir@307	449	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	450	break;
jaroslav@151	451	case opc_astore_1:
lubomir@307	452	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	453	break;
jaroslav@151	454	case opc_istore_1:
lubomir@307	455	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	456	break;
jaroslav@151	457	case opc_lstore_1:
lubomir@307	458	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	459	break;
jaroslav@151	460	case opc_fstore_1:
lubomir@307	461	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	462	break;
jaroslav@151	463	case opc_dstore_1:
lubomir@307	464	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	465	break;
jaroslav@151	466	case opc_astore_2:
lubomir@307	467	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	468	break;
jaroslav@151	469	case opc_istore_2:
lubomir@307	470	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	471	break;
jaroslav@151	472	case opc_lstore_2:
lubomir@307	473	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	474	break;
jaroslav@151	475	case opc_fstore_2:
lubomir@307	476	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	477	break;
jaroslav@151	478	case opc_dstore_2:
lubomir@307	479	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	480	break;
jaroslav@151	481	case opc_astore_3:
lubomir@307	482	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	483	break;
jaroslav@151	484	case opc_istore_3:
lubomir@307	485	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	486	break;
jaroslav@151	487	case opc_lstore_3:
lubomir@307	488	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	489	break;
jaroslav@151	490	case opc_fstore_3:
lubomir@307	491	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	492	break;
jaroslav@151	493	case opc_dstore_3:
lubomir@307	494	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	495	break;
jaroslav@151	496	case opc_iadd:
Martin@351	497	emit(out, "@1 = (@1 + @2) \| 0;", smapper.getI(1), smapper.popI());
lubomir@281	498	break;
jaroslav@151	499	case opc_ladd:
lubomir@307	500	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	501	break;
jaroslav@151	502	case opc_fadd:
lubomir@307	503	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	504	break;
jaroslav@151	505	case opc_dadd:
lubomir@307	506	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	507	break;
jaroslav@151	508	case opc_isub:
Martin@351	509	emit(out, "@1 = (@1 - @2) \| 0;", smapper.getI(1), smapper.popI());
lubomir@281	510	break;
jaroslav@151	511	case opc_lsub:
lubomir@307	512	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	513	break;
jaroslav@151	514	case opc_fsub:
lubomir@307	515	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	516	break;
jaroslav@151	517	case opc_dsub:
lubomir@307	518	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	519	break;
jaroslav@151	520	case opc_imul:
Martin@351	521	emit(out, "@1 = (((@1 * (@2 >> 16)) << 16) + @1 * (@2 & 0xFFFF)) \| 0;", smapper.getI(1), smapper.popI());
lubomir@281	522	break;
jaroslav@151	523	case opc_lmul:
lubomir@307	524	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	525	break;
jaroslav@151	526	case opc_fmul:
lubomir@307	527	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	528	break;
jaroslav@151	529	case opc_dmul:
lubomir@307	530	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	531	break;
jaroslav@151	532	case opc_idiv:
lubomir@283	533	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	534	smapper.getI(1), smapper.popI());
lubomir@281	535	break;
jaroslav@151	536	case opc_ldiv:
lubomir@283	537	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	538	smapper.getL(1), smapper.popL());
jaroslav@3	539	break;
jaroslav@151	540	case opc_fdiv:
lubomir@307	541	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	542	break;
jaroslav@151	543	case opc_ddiv:
lubomir@307	544	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	545	break;
jaroslav@178	546	case opc_irem:
lubomir@307	547	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	548	break;
jaroslav@178	549	case opc_lrem:
lubomir@307	550	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	551	break;
jaroslav@178	552	case opc_frem:
lubomir@307	553	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	554	break;
jaroslav@178	555	case opc_drem:
lubomir@307	556	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	557	break;
jaroslav@151	558	case opc_iand:
lubomir@307	559	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	560	break;
jaroslav@151	561	case opc_land:
lubomir@307	562	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	563	break;
jaroslav@151	564	case opc_ior:
lubomir@307	565	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	566	break;
jaroslav@151	567	case opc_lor:
lubomir@307	568	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	569	break;
jaroslav@151	570	case opc_ixor:
lubomir@307	571	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	572	break;
jaroslav@151	573	case opc_lxor:
lubomir@307	574	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	575	break;
jaroslav@151	576	case opc_ineg:
lubomir@307	577	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	578	break;
jaroslav@151	579	case opc_lneg:
lubomir@307	580	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	581	break;
jaroslav@151	582	case opc_fneg:
lubomir@307	583	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	584	break;
jaroslav@151	585	case opc_dneg:
lubomir@307	586	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	587	break;
jaroslav@151	588	case opc_ishl:
lubomir@307	589	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	590	break;
jaroslav@151	591	case opc_lshl:
lubomir@307	592	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	593	break;
jaroslav@151	594	case opc_ishr:
lubomir@307	595	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	596	break;
jaroslav@151	597	case opc_lshr:
lubomir@307	598	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	599	break;
jaroslav@151	600	case opc_iushr:
lubomir@307	601	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	602	break;
jaroslav@151	603	case opc_lushr:
lubomir@307	604	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	605	break;
jaroslav@151	606	case opc_iinc: {
jtulach@128	607	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	608	final int incrBy = byteCodes[++i];
jaroslav@5	609	if (incrBy == 1) {
lubomir@307	610	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	611	} else {
lubomir@307	612	emit(out, "@1 += @2;",
lubomir@307	613	lmapper.getI(varIndx),
lubomir@283	614	Integer.toString(incrBy));
jaroslav@5	615	}
jaroslav@5	616	break;
jaroslav@5	617	}
jaroslav@151	618	case opc_return:
lubomir@283	619	emit(out, "return;");
jaroslav@10	620	break;
jaroslav@151	621	case opc_ireturn:
lubomir@307	622	emit(out, "return @1;", smapper.popI());
lubomir@281	623	break;
jaroslav@151	624	case opc_lreturn:
lubomir@307	625	emit(out, "return @1;", smapper.popL());
lubomir@281	626	break;
jaroslav@151	627	case opc_freturn:
lubomir@307	628	emit(out, "return @1;", smapper.popF());
lubomir@281	629	break;
jaroslav@151	630	case opc_dreturn:
lubomir@307	631	emit(out, "return @1;", smapper.popD());
lubomir@281	632	break;
jaroslav@151	633	case opc_areturn:
lubomir@307	634	emit(out, "return @1;", smapper.popA());
jaroslav@1	635	break;
jaroslav@151	636	case opc_i2l:
lubomir@307	637	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	638	break;
jaroslav@151	639	case opc_i2f:
lubomir@307	640	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	641	break;
jaroslav@151	642	case opc_i2d:
lubomir@307	643	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	644	break;
jaroslav@151	645	case opc_l2i:
lubomir@307	646	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	647	break;
jaroslav@3	648	// max int check?
jaroslav@151	649	case opc_l2f:
lubomir@307	650	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	651	break;
jaroslav@151	652	case opc_l2d:
lubomir@307	653	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	654	break;
jaroslav@151	655	case opc_f2d:
lubomir@307	656	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	657	break;
jaroslav@151	658	case opc_d2f:
lubomir@307	659	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	660	break;
jaroslav@151	661	case opc_f2i:
lubomir@283	662	emit(out, "@2 = Math.floor(@1);",
lubomir@307	663	smapper.popF(), smapper.pushI());
lubomir@281	664	break;
jaroslav@151	665	case opc_f2l:
lubomir@283	666	emit(out, "@2 = Math.floor(@1);",
lubomir@307	667	smapper.popF(), smapper.pushL());
lubomir@281	668	break;
jaroslav@151	669	case opc_d2i:
lubomir@283	670	emit(out, "@2 = Math.floor(@1);",
lubomir@307	671	smapper.popD(), smapper.pushI());
lubomir@281	672	break;
jaroslav@151	673	case opc_d2l:
lubomir@283	674	emit(out, "@2 = Math.floor(@1);",
lubomir@307	675	smapper.popD(), smapper.pushL());
jaroslav@3	676	break;
jaroslav@151	677	case opc_i2b:
jaroslav@151	678	case opc_i2c:
jaroslav@151	679	case opc_i2s:
jaroslav@337	680	out.append("{ /* number conversion */ }");
jaroslav@2	681	break;
jaroslav@151	682	case opc_aconst_null:
lubomir@307	683	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	684	break;
jaroslav@151	685	case opc_iconst_m1:
lubomir@307	686	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	687	break;
jaroslav@151	688	case opc_iconst_0:
lubomir@307	689	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	690	break;
jaroslav@151	691	case opc_dconst_0:
lubomir@307	692	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	693	break;
jaroslav@151	694	case opc_lconst_0:
lubomir@307	695	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	696	break;
jaroslav@151	697	case opc_fconst_0:
lubomir@307	698	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	699	break;
jaroslav@151	700	case opc_iconst_1:
lubomir@307	701	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	702	break;
jaroslav@151	703	case opc_lconst_1:
lubomir@307	704	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	705	break;
jaroslav@151	706	case opc_fconst_1:
lubomir@307	707	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	708	break;
jaroslav@151	709	case opc_dconst_1:
lubomir@307	710	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	711	break;
jaroslav@151	712	case opc_iconst_2:
lubomir@307	713	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	714	break;
jaroslav@151	715	case opc_fconst_2:
lubomir@307	716	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	717	break;
jaroslav@151	718	case opc_iconst_3:
lubomir@307	719	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	720	break;
jaroslav@151	721	case opc_iconst_4:
lubomir@307	722	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	723	break;
jaroslav@151	724	case opc_iconst_5:
lubomir@307	725	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	726	break;
jaroslav@151	727	case opc_ldc: {
jtulach@128	728	int indx = readByte(byteCodes, ++i);
jaroslav@151	729	String v = encodeConstant(indx);
lubomir@307	730	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	731	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20	732	break;
jaroslav@20	733	}
jaroslav@151	734	case opc_ldc_w:
jaroslav@151	735	case opc_ldc2_w: {
jaroslav@8	736	int indx = readIntArg(byteCodes, i);
jaroslav@8	737	i += 2;
jaroslav@151	738	String v = encodeConstant(indx);
lubomir@307	739	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	740	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8	741	break;
jaroslav@8	742	}
jaroslav@151	743	case opc_lcmp:
lubomir@283	744	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	745	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	746	break;
jaroslav@151	747	case opc_fcmpl:
jaroslav@151	748	case opc_fcmpg:
lubomir@283	749	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	750	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	751	break;
jaroslav@151	752	case opc_dcmpl:
lubomir@281	753	case opc_dcmpg:
lubomir@283	754	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	755	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	756	break;
jaroslav@151	757	case opc_if_acmpeq:
lubomir@307	758	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	759	"===");
jaroslav@104	760	break;
jaroslav@151	761	case opc_if_acmpne:
lubomir@307	762	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	763	"!=");
jaroslav@104	764	break;
lubomir@283	765	case opc_if_icmpeq:
lubomir@307	766	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	767	"==");
jaroslav@4	768	break;
jaroslav@151	769	case opc_ifeq: {
jaroslav@7	770	int indx = i + readIntArg(byteCodes, i);
lubomir@283	771	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	772	smapper.popI(), Integer.toString(indx));
jaroslav@7	773	i += 2;
jaroslav@7	774	break;
jaroslav@7	775	}
jaroslav@151	776	case opc_ifne: {
jaroslav@20	777	int indx = i + readIntArg(byteCodes, i);
lubomir@283	778	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	779	smapper.popI(), Integer.toString(indx));
jaroslav@20	780	i += 2;
jaroslav@20	781	break;
jaroslav@20	782	}
jaroslav@151	783	case opc_iflt: {
jaroslav@20	784	int indx = i + readIntArg(byteCodes, i);
lubomir@283	785	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	786	smapper.popI(), Integer.toString(indx));
jaroslav@20	787	i += 2;
jaroslav@20	788	break;
jaroslav@20	789	}
jaroslav@151	790	case opc_ifle: {
jaroslav@20	791	int indx = i + readIntArg(byteCodes, i);
lubomir@283	792	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	793	smapper.popI(), Integer.toString(indx));
jaroslav@20	794	i += 2;
jaroslav@20	795	break;
jaroslav@20	796	}
jaroslav@151	797	case opc_ifgt: {
jaroslav@20	798	int indx = i + readIntArg(byteCodes, i);
lubomir@283	799	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	800	smapper.popI(), Integer.toString(indx));
jaroslav@20	801	i += 2;
jaroslav@20	802	break;
jaroslav@20	803	}
jaroslav@151	804	case opc_ifge: {
jaroslav@20	805	int indx = i + readIntArg(byteCodes, i);
lubomir@283	806	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	807	smapper.popI(), Integer.toString(indx));
jaroslav@20	808	i += 2;
jaroslav@20	809	break;
jaroslav@20	810	}
jaroslav@151	811	case opc_ifnonnull: {
jaroslav@16	812	int indx = i + readIntArg(byteCodes, i);
lubomir@283	813	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	814	smapper.popA(), Integer.toString(indx));
jaroslav@16	815	i += 2;
jaroslav@16	816	break;
jaroslav@16	817	}
jaroslav@151	818	case opc_ifnull: {
jaroslav@16	819	int indx = i + readIntArg(byteCodes, i);
lubomir@283	820	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	821	smapper.popA(), Integer.toString(indx));
jaroslav@16	822	i += 2;
jaroslav@16	823	break;
jaroslav@16	824	}
jaroslav@151	825	case opc_if_icmpne:
lubomir@307	826	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	827	"!=");
jaroslav@4	828	break;
jaroslav@151	829	case opc_if_icmplt:
lubomir@307	830	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	831	"<");
jaroslav@4	832	break;
jaroslav@151	833	case opc_if_icmple:
lubomir@307	834	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	835	"<=");
jaroslav@4	836	break;
jaroslav@151	837	case opc_if_icmpgt:
lubomir@307	838	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	839	">");
jaroslav@4	840	break;
jaroslav@151	841	case opc_if_icmpge:
lubomir@307	842	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	843	">=");
jaroslav@4	844	break;
jaroslav@151	845	case opc_goto: {
jaroslav@5	846	int indx = i + readIntArg(byteCodes, i);
lubomir@283	847	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	848	i += 2;
jaroslav@5	849	break;
jaroslav@5	850	}
jaroslav@151	851	case opc_lookupswitch: {
jtulach@128	852	int table = i / 4 * 4 + 4;
jaroslav@115	853	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	854	table += 4;
jaroslav@115	855	int n = readInt4(byteCodes, table);
jaroslav@115	856	table += 4;
lubomir@307	857	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	858	while (n-- > 0) {
jaroslav@115	859	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	860	table += 4;
jaroslav@115	861	int offset = i + readInt4(byteCodes, table);
jaroslav@115	862	table += 4;
jaroslav@115	863	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	864	}
jaroslav@115	865	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	866	i = table - 1;
jaroslav@115	867	break;
jaroslav@115	868	}
jaroslav@151	869	case opc_tableswitch: {
jtulach@128	870	int table = i / 4 * 4 + 4;
jaroslav@115	871	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	872	table += 4;
jaroslav@115	873	int low = readInt4(byteCodes, table);
jaroslav@115	874	table += 4;
jaroslav@115	875	int high = readInt4(byteCodes, table);
jaroslav@115	876	table += 4;
lubomir@307	877	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	878	while (low <= high) {
jaroslav@115	879	int offset = i + readInt4(byteCodes, table);
jaroslav@115	880	table += 4;
jaroslav@115	881	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	882	low++;
jaroslav@115	883	}
jaroslav@115	884	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	885	i = table - 1;
jaroslav@115	886	break;
jaroslav@115	887	}
jaroslav@151	888	case opc_invokeinterface: {
lubomir@307	889	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	890	break;
jaroslav@46	891	}
jaroslav@151	892	case opc_invokevirtual:
lubomir@307	893	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	894	break;
jaroslav@151	895	case opc_invokespecial:
lubomir@307	896	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	897	break;
jaroslav@151	898	case opc_invokestatic:
lubomir@307	899	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	900	break;
jaroslav@151	901	case opc_new: {
jaroslav@8	902	int indx = readIntArg(byteCodes, i);
jaroslav@151	903	String ci = jc.getClassName(indx);
lubomir@283	904	emit(out, "@1 = new @2;",
lubomir@317	905	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	906	addReference(ci);
jaroslav@8	907	i += 2;
jaroslav@8	908	break;
jaroslav@8	909	}
lubomir@283	910	case opc_newarray:
jaroslav@448	911	int atype = readByte(byteCodes, ++i);
jaroslav@448	912	String jvmType;
jaroslav@448	913	switch (atype) {
jaroslav@448	914	case 4: jvmType = "[Z"; break;
jaroslav@448	915	case 5: jvmType = "[C"; break;
jaroslav@448	916	case 6: jvmType = "[F"; break;
jaroslav@448	917	case 7: jvmType = "[D"; break;
jaroslav@448	918	case 8: jvmType = "[B"; break;
jaroslav@448	919	case 9: jvmType = "[S"; break;
jaroslav@448	920	case 10: jvmType = "[I"; break;
jaroslav@448	921	case 11: jvmType = "[J"; break;
jaroslav@448	922	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@448	923	}
jaroslav@448	924	emit(out, "@2 = new Array(@1).fillNulls().arrtype('@3');",
jaroslav@448	925	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@21	926	break;
jaroslav@448	927	case opc_anewarray: {
jaroslav@448	928	int type = readIntArg(byteCodes, i);
jaroslav@448	929	i += 2;
jaroslav@448	930	String typeName = jc.getClassName(type);
jaroslav@448	931	if (typeName.startsWith("[")) {
jaroslav@448	932	typeName = "[" + typeName;
jaroslav@448	933	} else {
jaroslav@448	934	typeName = "[L" + typeName + ";";
jaroslav@448	935	}
jaroslav@448	936	emit(out, "@2 = new Array(@1).fillNulls().arrtype('@3');",
jaroslav@448	937	smapper.popI(), smapper.pushA(), typeName);
jaroslav@21	938	break;
jaroslav@448	939	}
jaroslav@151	940	case opc_multianewarray: {
jaroslav@448	941	int type = readIntArg(byteCodes, i);
jtulach@128	942	i += 2;
jaroslav@448	943	String typeName = jc.getClassName(type);
jtulach@128	944	int dim = readByte(byteCodes, ++i);
lubomir@307	945	out.append("{ var a0 = new Array(").append(smapper.popI())
jaroslav@448	946	.append(").fillNulls().arrtype('").append(typeName).append("');");
jtulach@128	947	for (int d = 1; d < dim; d++) {
lubomir@221	948	out.append("\n var l" + d).append(" = ")
lubomir@307	949	.append(smapper.popI()).append(';');
jtulach@128	950	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	951	append(" < a" + (d - 1)).
jtulach@128	952	append(".length; i" + d).append("++) {");
jtulach@128	953	out.append("\n var a" + d).
jaroslav@172	954	append (" = new Array(l" + d).append(").fillNulls();");
jtulach@128	955	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	956	append(";");
jtulach@128	957	}
jtulach@128	958	for (int d = 1; d < dim; d++) {
jtulach@128	959	out.append("\n }");
jtulach@128	960	}
lubomir@307	961	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	962	break;
jtulach@128	963	}
jaroslav@151	964	case opc_arraylength:
lubomir@307	965	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	966	break;
lubomir@283	967	case opc_lastore:
lubomir@283	968	emit(out, "@3[@2] = @1;",
lubomir@307	969	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	970	break;
lubomir@283	971	case opc_fastore:
lubomir@283	972	emit(out, "@3[@2] = @1;",
lubomir@307	973	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	974	break;
lubomir@283	975	case opc_dastore:
lubomir@283	976	emit(out, "@3[@2] = @1;",
lubomir@307	977	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	978	break;
lubomir@283	979	case opc_aastore:
lubomir@283	980	emit(out, "@3[@2] = @1;",
lubomir@307	981	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	982	break;
jaroslav@151	983	case opc_iastore:
jaroslav@151	984	case opc_bastore:
jaroslav@151	985	case opc_castore:
lubomir@283	986	case opc_sastore:
lubomir@283	987	emit(out, "@3[@2] = @1;",
lubomir@307	988	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	989	break;
lubomir@283	990	case opc_laload:
lubomir@283	991	emit(out, "@3 = @2[@1];",
lubomir@307	992	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	993	break;
lubomir@283	994	case opc_faload:
lubomir@283	995	emit(out, "@3 = @2[@1];",
lubomir@307	996	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	997	break;
lubomir@283	998	case opc_daload:
lubomir@283	999	emit(out, "@3 = @2[@1];",
lubomir@307	1000	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1001	break;
lubomir@283	1002	case opc_aaload:
lubomir@283	1003	emit(out, "@3 = @2[@1];",
lubomir@307	1004	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1005	break;
jaroslav@272	1006	case opc_iaload:
jaroslav@272	1007	case opc_baload:
jaroslav@272	1008	case opc_caload:
lubomir@283	1009	case opc_saload:
lubomir@283	1010	emit(out, "@3 = @2[@1];",
lubomir@307	1011	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1012	break;
lubomir@221	1013	case opc_pop:
jaroslav@272	1014	case opc_pop2:
lubomir@307	1015	smapper.pop(1);
jaroslav@399	1016	debug("/* pop */");
jaroslav@272	1017	break;
lubomir@281	1018	case opc_dup: {
lubomir@307	1019	final Variable v = smapper.get(0);
lubomir@307	1020	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1021	break;
jaroslav@21	1022	}
lubomir@281	1023	case opc_dup2: {
lubomir@307	1024	if (smapper.get(0).isCategory2()) {
lubomir@307	1025	final Variable v = smapper.get(0);
lubomir@307	1026	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	1027	} else {
lubomir@307	1028	final Variable v1 = smapper.get(0);
lubomir@307	1029	final Variable v2 = smapper.get(1);
lubomir@283	1030	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	1031	smapper.pushT(v2.getType()), v2,
lubomir@307	1032	smapper.pushT(v1.getType()), v1);
lubomir@281	1033	}
jaroslav@21	1034	break;
jaroslav@21	1035	}
lubomir@281	1036	case opc_dup_x1: {
lubomir@307	1037	final Variable vi1 = smapper.pop();
lubomir@307	1038	final Variable vi2 = smapper.pop();
lubomir@307	1039	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1040	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1041	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1042
lubomir@283	1043	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1044	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1045	break;
lubomir@281	1046	}
lubomir@281	1047	case opc_dup_x2: {
lubomir@307	1048	if (smapper.get(1).isCategory2()) {
lubomir@307	1049	final Variable vi1 = smapper.pop();
lubomir@307	1050	final Variable vi2 = smapper.pop();
lubomir@307	1051	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1052	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1053	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1054
lubomir@283	1055	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1056	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1057	} else {
lubomir@307	1058	final Variable vi1 = smapper.pop();
lubomir@307	1059	final Variable vi2 = smapper.pop();
lubomir@307	1060	final Variable vi3 = smapper.pop();
lubomir@307	1061	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1062	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1063	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1064	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1065
lubomir@283	1066	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283	1067	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1068	}
jaroslav@8	1069	break;
lubomir@281	1070	}
jaroslav@151	1071	case opc_bipush:
lubomir@283	1072	emit(out, "@1 = @2;",
lubomir@307	1073	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1074	break;
jaroslav@151	1075	case opc_sipush:
lubomir@283	1076	emit(out, "@1 = @2;",
lubomir@307	1077	smapper.pushI(),
lubomir@283	1078	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1079	i += 2;
jaroslav@31	1080	break;
jaroslav@151	1081	case opc_getfield: {
jaroslav@8	1082	int indx = readIntArg(byteCodes, i);
jaroslav@151	1083	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1084	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1085	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1086	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1087	i += 2;
jaroslav@8	1088	break;
jaroslav@8	1089	}
jaroslav@151	1090	case opc_getstatic: {
jaroslav@9	1091	int indx = readIntArg(byteCodes, i);
jaroslav@151	1092	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1093	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1094	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1095	smapper.pushT(type),
lubomir@317	1096	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1097	i += 2;
jaroslav@151	1098	addReference(fi[0]);
jaroslav@9	1099	break;
jaroslav@9	1100	}
jaroslav@151	1101	case opc_putfield: {
jaroslav@10	1102	int indx = readIntArg(byteCodes, i);
jaroslav@151	1103	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1104	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1105	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1106	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1107	i += 2;
jaroslav@10	1108	break;
jaroslav@10	1109	}
lubomir@281	1110	case opc_putstatic: {
lubomir@281	1111	int indx = readIntArg(byteCodes, i);
lubomir@281	1112	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1113	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1114	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1115	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1116	smapper.popT(type));
lubomir@281	1117	i += 2;
lubomir@281	1118	addReference(fi[0]);
lubomir@281	1119	break;
lubomir@281	1120	}
jaroslav@151	1121	case opc_checkcast: {
jaroslav@30	1122	int indx = readIntArg(byteCodes, i);
jaroslav@151	1123	final String type = jc.getClassName(indx);
jaroslav@42	1124	if (!type.startsWith("[")) {
jaroslav@42	1125	// no way to check arrays right now
lubomir@283	1126	// XXX proper exception
lubomir@317	1127	emit(out,
lubomir@317	1128	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1129	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1130	}
jaroslav@30	1131	i += 2;
jaroslav@30	1132	break;
jaroslav@30	1133	}
jaroslav@151	1134	case opc_instanceof: {
jaroslav@17	1135	int indx = readIntArg(byteCodes, i);
jaroslav@151	1136	final String type = jc.getClassName(indx);
lubomir@283	1137	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1138	smapper.popA(), smapper.pushI(),
lubomir@317	1139	type.replace('/', '_'));
jaroslav@17	1140	i += 2;
jaroslav@30	1141	break;
jaroslav@17	1142	}
jaroslav@151	1143	case opc_athrow: {
lubomir@307	1144	final Variable v = smapper.popA();
lubomir@307	1145	smapper.clear();
lubomir@281	1146
lubomir@283	1147	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1148	smapper.pushA(), v);
jaroslav@104	1149	break;
jaroslav@104	1150	}
lubomir@221	1151
lubomir@221	1152	case opc_monitorenter: {
lubomir@221	1153	out.append("/* monitor enter */");
lubomir@307	1154	smapper.popA();
lubomir@221	1155	break;
lubomir@221	1156	}
lubomir@221	1157
lubomir@221	1158	case opc_monitorexit: {
lubomir@221	1159	out.append("/* monitor exit */");
lubomir@307	1160	smapper.popA();
lubomir@221	1161	break;
lubomir@221	1162	}
lubomir@221	1163
jaroslav@104	1164	default: {
lubomir@283	1165	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1166	Integer.toString(c));
jaroslav@104	1167	}
jaroslav@0	1168	}
jaroslav@399	1169	if (debug(" //")) {
jaroslav@399	1170	for (int j = prev; j <= i; j++) {
jaroslav@399	1171	out.append(" ");
jaroslav@399	1172	final int cc = readByte(byteCodes, j);
jaroslav@399	1173	out.append(Integer.toString(cc));
tzezula@285	1174	}
jaroslav@0	1175	}
tzezula@285	1176	out.append("\n");
jaroslav@0	1177	}
jaroslav@398	1178	if (previousTrap != null) {
jaroslav@398	1179	generateCatch(previousTrap);
jaroslav@398	1180	}
jaroslav@10	1181	out.append(" }\n");
lubomir@307	1182	out.append("};");
jaroslav@4	1183	}
jaroslav@4	1184
lubomir@281	1185	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1186	final Variable v2, final Variable v1,
lubomir@281	1187	final String test) throws IOException {
jaroslav@4	1188	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1189	out.append("if (").append(v1)
lubomir@221	1190	.append(' ').append(test).append(' ')
lubomir@281	1191	.append(v2).append(") { gt = " + indx)
lubomir@221	1192	.append("; continue; }");
jaroslav@4	1193	return i + 2;
jaroslav@4	1194	}
jaroslav@4	1195
jaroslav@4	1196	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1197	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1198	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1199	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1200	}
jaroslav@115	1201	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1202	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1203	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1204	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1205	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1206	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1207	}
jtulach@128	1208	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1209	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1210	}
jaroslav@4	1211
lubomir@281	1212	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1213	int i = 0;
jaroslav@4	1214	Boolean count = null;
jaroslav@32	1215	boolean array = false;
jaroslav@248	1216	sig.append("__");
jaroslav@10	1217	int firstPos = sig.length();
jaroslav@4	1218	while (i < descriptor.length()) {
jaroslav@4	1219	char ch = descriptor.charAt(i++);
jaroslav@4	1220	switch (ch) {
jaroslav@4	1221	case '(':
jaroslav@4	1222	count = true;
jaroslav@4	1223	continue;
jaroslav@4	1224	case ')':
jaroslav@4	1225	count = false;
jaroslav@4	1226	continue;
jaroslav@4	1227	case 'B':
jaroslav@4	1228	case 'C':
jaroslav@4	1229	case 'D':
jaroslav@4	1230	case 'F':
jaroslav@4	1231	case 'I':
jaroslav@4	1232	case 'J':
jaroslav@4	1233	case 'S':
jaroslav@4	1234	case 'Z':
jaroslav@4	1235	if (count) {
jaroslav@32	1236	if (array) {
jaroslav@248	1237	sig.append("_3");
jaroslav@32	1238	}
jaroslav@4	1239	sig.append(ch);
jtulach@156	1240	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1241	cnt.append('1');
jtulach@156	1242	} else {
jtulach@156	1243	cnt.append('0');
jtulach@156	1244	}
jaroslav@4	1245	} else {
jaroslav@10	1246	sig.insert(firstPos, ch);
jaroslav@32	1247	if (array) {
lubomir@281	1248	returnType[0] = '[';
jaroslav@248	1249	sig.insert(firstPos, "_3");
lubomir@281	1250	} else {
lubomir@281	1251	returnType[0] = ch;
jaroslav@32	1252	}
jaroslav@4	1253	}
jaroslav@93	1254	array = false;
jaroslav@4	1255	continue;
jaroslav@4	1256	case 'V':
jaroslav@4	1257	assert !count;
lubomir@281	1258	returnType[0] = 'V';
jaroslav@10	1259	sig.insert(firstPos, 'V');
jaroslav@4	1260	continue;
jaroslav@4	1261	case 'L':
jaroslav@16	1262	int next = descriptor.indexOf(';', i);
jaroslav@248	1263	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1264	if (count) {
jaroslav@32	1265	if (array) {
jaroslav@248	1266	sig.append("_3");
jaroslav@32	1267	}
jaroslav@248	1268	sig.append(realSig);
jtulach@156	1269	cnt.append('0');
jaroslav@4	1270	} else {
jaroslav@248	1271	sig.insert(firstPos, realSig);
jaroslav@32	1272	if (array) {
jaroslav@248	1273	sig.insert(firstPos, "_3");
jaroslav@32	1274	}
lubomir@281	1275	returnType[0] = 'L';
jaroslav@4	1276	}
jaroslav@16	1277	i = next + 1;
lubomir@407	1278	array = false;
jaroslav@4	1279	continue;
jaroslav@4	1280	case '[':
jaroslav@248	1281	array = true;
jaroslav@4	1282	continue;
jaroslav@4	1283	default:
jaroslav@248	1284	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1285	}
jaroslav@4	1286	}
jaroslav@0	1287	}
jaroslav@248	1288
jaroslav@248	1289	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1290	StringBuilder sb = new StringBuilder();
jaroslav@248	1291	for (int i = first; i < last; i++) {
jaroslav@248	1292	final char ch = txt.charAt(i);
jaroslav@248	1293	switch (ch) {
jaroslav@248	1294	case '/': sb.append('_'); break;
jaroslav@248	1295	case '_': sb.append("_1"); break;
jaroslav@248	1296	case ';': sb.append("_2"); break;
jaroslav@248	1297	case '[': sb.append("_3"); break;
jaroslav@248	1298	default: sb.append(ch); break;
jaroslav@248	1299	}
jaroslav@248	1300	}
jaroslav@248	1301	return sb.toString();
jaroslav@248	1302	}
jaroslav@9	1303
jaroslav@248	1304	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1305	StringBuilder name = new StringBuilder();
jaroslav@10	1306	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1307	name.append("cons"); // NOI18N
jaroslav@19	1308	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1309	name.append("class"); // NOI18N
jaroslav@10	1310	} else {
jaroslav@42	1311	name.append(m.getName());
jaroslav@10	1312	}
jaroslav@42	1313
lubomir@282	1314	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1315	return name.toString();
jaroslav@10	1316	}
jaroslav@10	1317
lubomir@282	1318	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1319	StringBuilder name = new StringBuilder();
jaroslav@151	1320	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1321	String nm= mi[1];
jaroslav@151	1322	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1323	name.append("cons"); // NOI18N
jaroslav@10	1324	} else {
jaroslav@151	1325	name.append(nm);
jaroslav@10	1326	}
lubomir@282	1327	countArgs(descr, returnType, name, cnt);
jaroslav@10	1328	return name.toString();
jaroslav@10	1329	}
jaroslav@10	1330
lubomir@307	1331	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1332	throws IOException {
jaroslav@10	1333	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1334	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1335	char[] returnType = { 'V' };
jtulach@156	1336	StringBuilder cnt = new StringBuilder();
lubomir@281	1337	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1338
lubomir@221	1339	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1340	final Variable[] vars = new Variable[numArguments];
lubomir@221	1341
lubomir@281	1342	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1343	vars[j] = mapper.pop();
jaroslav@11	1344	}
lubomir@281	1345
lubomir@281	1346	if (returnType[0] != 'V') {
lubomir@307	1347	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1348	.append(" = ");
jaroslav@10	1349	}
lubomir@221	1350
jaroslav@151	1351	final String in = mi[0];
jaroslav@274	1352	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1353	out.append("(false).");
jaroslav@397	1354	if (mn.startsWith("cons_")) {
jaroslav@397	1355	out.append("constructor.");
jaroslav@397	1356	}
jaroslav@10	1357	out.append(mn);
jaroslav@442	1358	if (isStatic) {
jaroslav@442	1359	out.append('(');
jaroslav@442	1360	} else {
jaroslav@442	1361	out.append(".call(");
jaroslav@442	1362	}
lubomir@221	1363	if (numArguments > 0) {
lubomir@281	1364	out.append(vars[0]);
lubomir@281	1365	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1366	out.append(", ");
lubomir@281	1367	out.append(vars[j]);
lubomir@221	1368	}
jaroslav@10	1369	}
lubomir@221	1370	out.append(");");
jaroslav@10	1371	i += 2;
jaroslav@18	1372	addReference(in);
jaroslav@10	1373	return i;
jaroslav@10	1374	}
lubomir@307	1375	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1376	throws IOException {
jaroslav@12	1377	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1378	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1379	char[] returnType = { 'V' };
jtulach@156	1380	StringBuilder cnt = new StringBuilder();
lubomir@281	1381	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1382
lubomir@281	1383	final int numArguments = cnt.length() + 1;
lubomir@281	1384	final Variable[] vars = new Variable[numArguments];
lubomir@221	1385
lubomir@281	1386	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1387	vars[j] = mapper.pop();
jaroslav@12	1388	}
lubomir@221	1389
lubomir@281	1390	if (returnType[0] != 'V') {
lubomir@307	1391	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1392	.append(" = ");
jaroslav@12	1393	}
lubomir@281	1394
lubomir@281	1395	out.append(vars[0]).append('.');
jaroslav@12	1396	out.append(mn);
jaroslav@12	1397	out.append('(');
jaroslav@442	1398	String sep = "";
lubomir@281	1399	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1400	out.append(sep);
lubomir@281	1401	out.append(vars[j]);
jaroslav@442	1402	sep = ", ";
jaroslav@12	1403	}
lubomir@221	1404	out.append(");");
jaroslav@12	1405	i += 2;
jaroslav@12	1406	return i;
jaroslav@12	1407	}
lubomir@221	1408
jaroslav@103	1409	private void addReference(String cn) throws IOException {
jtulach@162	1410	if (requireReference(cn)) {
jaroslav@399	1411	debug(" /* needs " + cn + " */");
jaroslav@18	1412	}
jaroslav@18	1413	}
jaroslav@16	1414
jaroslav@33	1415	private void outType(String d, StringBuilder out) {
jaroslav@33	1416	int arr = 0;
jaroslav@33	1417	while (d.charAt(0) == '[') {
jaroslav@33	1418	out.append('A');
jaroslav@33	1419	d = d.substring(1);
jaroslav@33	1420	}
jaroslav@16	1421	if (d.charAt(0) == 'L') {
jaroslav@16	1422	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1423	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1424	} else {
jaroslav@16	1425	out.append(d);
jaroslav@16	1426	}
jaroslav@16	1427	}
jaroslav@21	1428
jaroslav@230	1429	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1430	String[] classRef = { null };
jaroslav@230	1431	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1432	if (classRef[0] != null) {
jaroslav@230	1433	addReference(classRef[0]);
jaroslav@274	1434	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1435	}
jaroslav@151	1436	return s;
jaroslav@21	1437	}
jaroslav@32	1438
jaroslav@266	1439	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1440	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1441	if (arr == null) {
jaroslav@266	1442	return null;
jaroslav@152	1443	}
jaroslav@200	1444	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1445	class P extends AnnotationParser {
jaroslav@237	1446	public P() {
jaroslav@237	1447	super(false);
jaroslav@237	1448	}
jaroslav@237	1449
jaroslav@152	1450	int cnt;
jaroslav@152	1451	String[] args = new String[30];
jaroslav@152	1452	String body;
jaroslav@94	1453
jaroslav@152	1454	@Override
jaroslav@236	1455	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1456	if (type.equals(jvmType)) {
jaroslav@152	1457	if ("body".equals(attr)) {
jaroslav@152	1458	body = value;
jaroslav@152	1459	} else if ("args".equals(attr)) {
jaroslav@152	1460	args[cnt++] = value;
jaroslav@152	1461	} else {
jaroslav@152	1462	throw new IllegalArgumentException(attr);
jaroslav@152	1463	}
jaroslav@152	1464	}
jaroslav@94	1465	}
jaroslav@94	1466	}
jaroslav@152	1467	P p = new P();
jaroslav@152	1468	p.parse(arr, jc);
jaroslav@152	1469	if (p.body == null) {
jaroslav@266	1470	return null;
jaroslav@152	1471	}
jtulach@156	1472	StringBuilder cnt = new StringBuilder();
jaroslav@266	1473	final String mn = findMethodName(m, cnt);
jaroslav@266	1474	out.append(prefix).append(mn);
jaroslav@203	1475	out.append(" = function(");
jaroslav@442	1476	String space = "";
jaroslav@443	1477	int index = 0;
jtulach@156	1478	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1479	out.append(space);
jaroslav@316	1480	space = outputArg(out, p.args, index);
jaroslav@152	1481	index++;
jaroslav@152	1482	}
jaroslav@152	1483	out.append(") {").append("\n");
jaroslav@152	1484	out.append(p.body);
jaroslav@152	1485	out.append("\n}\n");
jaroslav@266	1486	return mn;
jaroslav@151	1487	}
jaroslav@151	1488	private static String className(ClassData jc) {
jaroslav@151	1489	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1490	return jc.getClassName().replace('/', '_');
jaroslav@94	1491	}
jaroslav@152	1492
jaroslav@152	1493	private static String[] findAnnotation(
jaroslav@152	1494	byte[] arr, ClassData cd, final String className,
jaroslav@152	1495	final String... attrNames
jaroslav@152	1496	) throws IOException {
jaroslav@152	1497	if (arr == null) {
jaroslav@152	1498	return null;
jaroslav@152	1499	}
jaroslav@152	1500	final String[] values = new String[attrNames.length];
jaroslav@152	1501	final boolean[] found = { false };
jaroslav@152	1502	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1503	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1504	@Override
jaroslav@236	1505	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1506	if (type.equals(jvmType)) {
jaroslav@152	1507	found[0] = true;
jaroslav@152	1508	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1509	if (attrNames[i].equals(attr)) {
jaroslav@152	1510	values[i] = value;
jaroslav@152	1511	}
jaroslav@152	1512	}
jaroslav@152	1513	}
jaroslav@152	1514	}
jaroslav@152	1515
jaroslav@152	1516	};
jaroslav@152	1517	ap.parse(arr, cd);
jaroslav@152	1518	return found[0] ? values : null;
jaroslav@152	1519	}
jaroslav@173	1520
jaroslav@173	1521	private CharSequence initField(FieldData v) {
jaroslav@173	1522	final String is = v.getInternalSig();
jaroslav@173	1523	if (is.length() == 1) {
jaroslav@173	1524	switch (is.charAt(0)) {
jaroslav@173	1525	case 'S':
jaroslav@173	1526	case 'J':
jaroslav@173	1527	case 'B':
jaroslav@173	1528	case 'Z':
jaroslav@173	1529	case 'C':
jaroslav@173	1530	case 'I': return " = 0;";
jaroslav@173	1531	case 'F':
jaroslav@180	1532	case 'D': return " = 0.0;";
jaroslav@173	1533	default:
jaroslav@173	1534	throw new IllegalStateException(is);
jaroslav@173	1535	}
jaroslav@173	1536	}
jaroslav@173	1537	return " = null;";
jaroslav@173	1538	}
jaroslav@235	1539
jaroslav@235	1540	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1541	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1542	int anno;
jaroslav@235	1543	int cnt;
jaroslav@235	1544
jaroslav@235	1545	@Override
jaroslav@235	1546	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1547	if (anno++ > 0) {
jaroslav@237	1548	out.append(",");
jaroslav@237	1549	}
jaroslav@235	1550	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1551	cnt = 0;
jaroslav@235	1552	}
jaroslav@235	1553
jaroslav@235	1554	@Override
jaroslav@235	1555	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1556	out.append("\n}\n");
jaroslav@235	1557	}
jaroslav@235	1558
jaroslav@235	1559	@Override
jaroslav@236	1560	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1561	throws IOException {
jaroslav@266	1562	if (attr == null) {
jaroslav@266	1563	return;
jaroslav@266	1564	}
jaroslav@235	1565	if (cnt++ > 0) {
jaroslav@235	1566	out.append(",\n");
jaroslav@235	1567	}
jaroslav@250	1568	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1569	}
jaroslav@235	1570	};
jaroslav@235	1571	ap.parse(data, cd);
jaroslav@235	1572	}
jaroslav@316	1573
jaroslav@316	1574	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1575	final String name = args[indx];
jaroslav@316	1576	if (name == null) {
jaroslav@316	1577	return "";
jaroslav@316	1578	}
jaroslav@316	1579	if (name.contains(",")) {
jaroslav@316	1580	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1581	}
jaroslav@316	1582	out.append(name);
jaroslav@316	1583	return ",";
jaroslav@316	1584	}
lubomir@317	1585
lubomir@283	1586	private static void emit(final Appendable out,
lubomir@283	1587	final String format,
lubomir@283	1588	final CharSequence... params) throws IOException {
lubomir@283	1589	final int length = format.length();
lubomir@283	1590
lubomir@283	1591	int processed = 0;
lubomir@283	1592	int paramOffset = format.indexOf('@');
lubomir@283	1593	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1594	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1595	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1596	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1597
lubomir@283	1598	out.append(format, processed, paramOffset);
lubomir@283	1599	out.append(params[paramIndex]);
lubomir@283	1600
lubomir@283	1601	++paramOffset;
lubomir@283	1602	processed = paramOffset + 1;
lubomir@283	1603	}
lubomir@283	1604
lubomir@283	1605	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1606	}
lubomir@283	1607
lubomir@283	1608	out.append(format, processed, length);
lubomir@283	1609	}
jaroslav@398	1610
jaroslav@398	1611	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1612	out.append("} catch (e) {\n");
jaroslav@401	1613	int finallyPC = -1;
jaroslav@398	1614	for (TrapData e : traps) {
jaroslav@398	1615	if (e == null) {
jaroslav@398	1616	break;
jaroslav@398	1617	}
jaroslav@398	1618	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1619	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1620	addReference(classInternalName);
jaroslav@423	1621	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1622	out.append("if (e.$instOf_java_lang_Throwable) {");
jaroslav@423	1623	out.append(" stA0 = e;");
jaroslav@423	1624	out.append("} else {");
jaroslav@423	1625	out.append(" stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1626	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1627	out.append("}");
jaroslav@423	1628	out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423	1629	} else {
jaroslav@423	1630	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@423	1631	out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@423	1632	out.append("}\n");
jaroslav@423	1633	}
jaroslav@398	1634	} else {
jaroslav@401	1635	finallyPC = e.handler_pc;
jaroslav@398	1636	}
jaroslav@398	1637	}
jaroslav@401	1638	if (finallyPC == -1) {
jaroslav@401	1639	out.append("throw e;");
jaroslav@401	1640	} else {
jaroslav@401	1641	out.append("gt=" + finallyPC + "; stA0 = e; continue;");
jaroslav@401	1642	}
jaroslav@400	1643	out.append("\n}");
jaroslav@398	1644	}
jaroslav@0	1645	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Mon, 14 Jan 2013 18:21:48 +0100
changeset 448	ac05de5a8786
parent 443	9359b006782b
child 453	5aca91d00356
permissions	-rw-r--r--