hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@aa50464da62d (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(");
lubomir@307	252	lmapper.outputArguments(out);
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	}
lubomir@221	278
lubomir@221	279	// maxStack includes two stack positions for every pushed long / double
lubomir@221	280	// so this might generate more stack variables than we need
lubomir@221	281	final int maxStack = m.getMaxStack();
lubomir@221	282	if (maxStack > 0) {
lubomir@281	283	// TODO: generate only used stack variables
lubomir@307	284	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281	285	out.append("\n var ").append(Variable.getStackVariable(j, 0));
lubomir@281	286	for (int i = 1; i < maxStack; ++i) {
lubomir@281	287	out.append(", ");
lubomir@281	288	out.append(Variable.getStackVariable(j, i));
lubomir@281	289	}
lubomir@281	290	out.append(';');
lubomir@221	291	}
lubomir@221	292	}
lubomir@221	293
lubomir@221	294	int lastStackFrame = -1;
jaroslav@398	295	TrapData[] previousTrap = null;
jaroslav@398	296
jaroslav@10	297	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	298	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	299	int prev = i;
lubomir@221	300	stackMapIterator.advanceTo(i);
jaroslav@398	301	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	302	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	303	if (previousTrap != null) {
jaroslav@398	304	generateCatch(previousTrap);
jaroslav@398	305	previousTrap = null;
jaroslav@398	306	}
jaroslav@398	307	}
lubomir@221	308	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	309	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	310	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	311	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	312	out.append(" case " + i).append(": ");
jaroslav@398	313	changeInCatch = true;
lubomir@221	314	} else {
jaroslav@399	315	debug(" /* " + i + " */ ");
lubomir@221	316	}
jaroslav@398	317	if (changeInCatch && trap.useTry()) {
tzezula@285	318	out.append("try {");
jaroslav@398	319	previousTrap = trap.current();
tzezula@285	320	}
jtulach@128	321	final int c = readByte(byteCodes, i);
jaroslav@0	322	switch (c) {
jaroslav@151	323	case opc_aload_0:
lubomir@307	324	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	325	break;
jaroslav@151	326	case opc_iload_0:
lubomir@307	327	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	328	break;
jaroslav@151	329	case opc_lload_0:
lubomir@307	330	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	331	break;
jaroslav@151	332	case opc_fload_0:
lubomir@307	333	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	334	break;
jaroslav@151	335	case opc_dload_0:
lubomir@307	336	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	337	break;
jaroslav@151	338	case opc_aload_1:
lubomir@307	339	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	340	break;
jaroslav@151	341	case opc_iload_1:
lubomir@307	342	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	343	break;
jaroslav@151	344	case opc_lload_1:
lubomir@307	345	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	346	break;
jaroslav@151	347	case opc_fload_1:
lubomir@307	348	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	349	break;
jaroslav@151	350	case opc_dload_1:
lubomir@307	351	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	352	break;
jaroslav@151	353	case opc_aload_2:
lubomir@307	354	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	355	break;
jaroslav@151	356	case opc_iload_2:
lubomir@307	357	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	358	break;
jaroslav@151	359	case opc_lload_2:
lubomir@307	360	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	361	break;
jaroslav@151	362	case opc_fload_2:
lubomir@307	363	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	364	break;
jaroslav@151	365	case opc_dload_2:
lubomir@307	366	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	367	break;
jaroslav@151	368	case opc_aload_3:
lubomir@307	369	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	370	break;
jaroslav@151	371	case opc_iload_3:
lubomir@307	372	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	373	break;
jaroslav@151	374	case opc_lload_3:
lubomir@307	375	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	376	break;
jaroslav@151	377	case opc_fload_3:
lubomir@307	378	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	379	break;
jaroslav@151	380	case opc_dload_3:
lubomir@307	381	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	382	break;
lubomir@281	383	case opc_iload: {
lubomir@281	384	final int indx = readByte(byteCodes, ++i);
lubomir@307	385	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	386	break;
lubomir@281	387	}
lubomir@281	388	case opc_lload: {
lubomir@281	389	final int indx = readByte(byteCodes, ++i);
lubomir@307	390	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	391	break;
lubomir@281	392	}
lubomir@281	393	case opc_fload: {
lubomir@281	394	final int indx = readByte(byteCodes, ++i);
lubomir@307	395	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	396	break;
lubomir@281	397	}
lubomir@281	398	case opc_dload: {
lubomir@281	399	final int indx = readByte(byteCodes, ++i);
lubomir@307	400	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	401	break;
lubomir@281	402	}
jaroslav@151	403	case opc_aload: {
jtulach@128	404	final int indx = readByte(byteCodes, ++i);
lubomir@307	405	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	406	break;
jaroslav@3	407	}
lubomir@281	408	case opc_istore: {
lubomir@281	409	final int indx = readByte(byteCodes, ++i);
lubomir@307	410	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	411	break;
lubomir@281	412	}
lubomir@281	413	case opc_lstore: {
lubomir@281	414	final int indx = readByte(byteCodes, ++i);
lubomir@307	415	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	416	break;
lubomir@281	417	}
lubomir@281	418	case opc_fstore: {
lubomir@281	419	final int indx = readByte(byteCodes, ++i);
lubomir@307	420	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	421	break;
lubomir@281	422	}
lubomir@281	423	case opc_dstore: {
lubomir@281	424	final int indx = readByte(byteCodes, ++i);
lubomir@307	425	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	426	break;
lubomir@281	427	}
jaroslav@151	428	case opc_astore: {
jtulach@128	429	final int indx = readByte(byteCodes, ++i);
lubomir@307	430	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	431	break;
jaroslav@31	432	}
jaroslav@151	433	case opc_astore_0:
lubomir@307	434	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	435	break;
jaroslav@151	436	case opc_istore_0:
lubomir@307	437	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	438	break;
jaroslav@151	439	case opc_lstore_0:
lubomir@307	440	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	441	break;
jaroslav@151	442	case opc_fstore_0:
lubomir@307	443	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	444	break;
jaroslav@151	445	case opc_dstore_0:
lubomir@307	446	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	447	break;
jaroslav@151	448	case opc_astore_1:
lubomir@307	449	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	450	break;
jaroslav@151	451	case opc_istore_1:
lubomir@307	452	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	453	break;
jaroslav@151	454	case opc_lstore_1:
lubomir@307	455	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	456	break;
jaroslav@151	457	case opc_fstore_1:
lubomir@307	458	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	459	break;
jaroslav@151	460	case opc_dstore_1:
lubomir@307	461	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	462	break;
jaroslav@151	463	case opc_astore_2:
lubomir@307	464	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	465	break;
jaroslav@151	466	case opc_istore_2:
lubomir@307	467	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	468	break;
jaroslav@151	469	case opc_lstore_2:
lubomir@307	470	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	471	break;
jaroslav@151	472	case opc_fstore_2:
lubomir@307	473	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	474	break;
jaroslav@151	475	case opc_dstore_2:
lubomir@307	476	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	477	break;
jaroslav@151	478	case opc_astore_3:
lubomir@307	479	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	480	break;
jaroslav@151	481	case opc_istore_3:
lubomir@307	482	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	483	break;
jaroslav@151	484	case opc_lstore_3:
lubomir@307	485	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	486	break;
jaroslav@151	487	case opc_fstore_3:
lubomir@307	488	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	489	break;
jaroslav@151	490	case opc_dstore_3:
lubomir@307	491	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	492	break;
jaroslav@151	493	case opc_iadd:
Martin@438	494	emit(out, "@1 = __add32(@1,@2);", smapper.getI(1), smapper.popI());
lubomir@281	495	break;
jaroslav@151	496	case opc_ladd:
lubomir@307	497	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	498	break;
jaroslav@151	499	case opc_fadd:
lubomir@307	500	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	501	break;
jaroslav@151	502	case opc_dadd:
lubomir@307	503	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	504	break;
jaroslav@151	505	case opc_isub:
Martin@438	506	emit(out, "@1 = __sub32(@1,@2);", smapper.getI(1), smapper.popI());
lubomir@281	507	break;
jaroslav@151	508	case opc_lsub:
lubomir@307	509	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	510	break;
jaroslav@151	511	case opc_fsub:
lubomir@307	512	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	513	break;
jaroslav@151	514	case opc_dsub:
lubomir@307	515	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	516	break;
jaroslav@151	517	case opc_imul:
Martin@438	518	emit(out, "@1 = __mul32(@1,@2);", smapper.getI(1), smapper.popI());
lubomir@281	519	break;
jaroslav@151	520	case opc_lmul:
lubomir@307	521	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	522	break;
jaroslav@151	523	case opc_fmul:
lubomir@307	524	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	525	break;
jaroslav@151	526	case opc_dmul:
lubomir@307	527	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	528	break;
jaroslav@151	529	case opc_idiv:
lubomir@283	530	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	531	smapper.getI(1), smapper.popI());
lubomir@281	532	break;
jaroslav@151	533	case opc_ldiv:
lubomir@283	534	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	535	smapper.getL(1), smapper.popL());
jaroslav@3	536	break;
jaroslav@151	537	case opc_fdiv:
lubomir@307	538	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	539	break;
jaroslav@151	540	case opc_ddiv:
lubomir@307	541	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	542	break;
jaroslav@178	543	case opc_irem:
lubomir@307	544	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	545	break;
jaroslav@178	546	case opc_lrem:
lubomir@307	547	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	548	break;
jaroslav@178	549	case opc_frem:
lubomir@307	550	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	551	break;
jaroslav@178	552	case opc_drem:
lubomir@307	553	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	554	break;
jaroslav@151	555	case opc_iand:
lubomir@307	556	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	557	break;
jaroslav@151	558	case opc_land:
lubomir@307	559	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	560	break;
jaroslav@151	561	case opc_ior:
lubomir@307	562	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	563	break;
jaroslav@151	564	case opc_lor:
lubomir@307	565	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	566	break;
jaroslav@151	567	case opc_ixor:
lubomir@307	568	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	569	break;
jaroslav@151	570	case opc_lxor:
lubomir@307	571	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	572	break;
jaroslav@151	573	case opc_ineg:
lubomir@307	574	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	575	break;
jaroslav@151	576	case opc_lneg:
lubomir@307	577	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	578	break;
jaroslav@151	579	case opc_fneg:
lubomir@307	580	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	581	break;
jaroslav@151	582	case opc_dneg:
lubomir@307	583	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	584	break;
jaroslav@151	585	case opc_ishl:
lubomir@307	586	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	587	break;
jaroslav@151	588	case opc_lshl:
lubomir@307	589	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	590	break;
jaroslav@151	591	case opc_ishr:
lubomir@307	592	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	593	break;
jaroslav@151	594	case opc_lshr:
lubomir@307	595	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	596	break;
jaroslav@151	597	case opc_iushr:
lubomir@307	598	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	599	break;
jaroslav@151	600	case opc_lushr:
lubomir@307	601	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	602	break;
jaroslav@151	603	case opc_iinc: {
jtulach@128	604	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	605	final int incrBy = byteCodes[++i];
jaroslav@5	606	if (incrBy == 1) {
lubomir@307	607	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	608	} else {
lubomir@307	609	emit(out, "@1 += @2;",
lubomir@307	610	lmapper.getI(varIndx),
lubomir@283	611	Integer.toString(incrBy));
jaroslav@5	612	}
jaroslav@5	613	break;
jaroslav@5	614	}
jaroslav@151	615	case opc_return:
lubomir@283	616	emit(out, "return;");
jaroslav@10	617	break;
jaroslav@151	618	case opc_ireturn:
lubomir@307	619	emit(out, "return @1;", smapper.popI());
lubomir@281	620	break;
jaroslav@151	621	case opc_lreturn:
lubomir@307	622	emit(out, "return @1;", smapper.popL());
lubomir@281	623	break;
jaroslav@151	624	case opc_freturn:
lubomir@307	625	emit(out, "return @1;", smapper.popF());
lubomir@281	626	break;
jaroslav@151	627	case opc_dreturn:
lubomir@307	628	emit(out, "return @1;", smapper.popD());
lubomir@281	629	break;
jaroslav@151	630	case opc_areturn:
lubomir@307	631	emit(out, "return @1;", smapper.popA());
jaroslav@1	632	break;
jaroslav@151	633	case opc_i2l:
lubomir@307	634	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	635	break;
jaroslav@151	636	case opc_i2f:
lubomir@307	637	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	638	break;
jaroslav@151	639	case opc_i2d:
lubomir@307	640	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	641	break;
jaroslav@151	642	case opc_l2i:
lubomir@307	643	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	644	break;
jaroslav@3	645	// max int check?
jaroslav@151	646	case opc_l2f:
lubomir@307	647	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	648	break;
jaroslav@151	649	case opc_l2d:
lubomir@307	650	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	651	break;
jaroslav@151	652	case opc_f2d:
lubomir@307	653	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	654	break;
jaroslav@151	655	case opc_d2f:
lubomir@307	656	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	657	break;
jaroslav@151	658	case opc_f2i:
lubomir@283	659	emit(out, "@2 = Math.floor(@1);",
lubomir@307	660	smapper.popF(), smapper.pushI());
lubomir@281	661	break;
jaroslav@151	662	case opc_f2l:
lubomir@283	663	emit(out, "@2 = Math.floor(@1);",
lubomir@307	664	smapper.popF(), smapper.pushL());
lubomir@281	665	break;
jaroslav@151	666	case opc_d2i:
lubomir@283	667	emit(out, "@2 = Math.floor(@1);",
lubomir@307	668	smapper.popD(), smapper.pushI());
lubomir@281	669	break;
jaroslav@151	670	case opc_d2l:
lubomir@283	671	emit(out, "@2 = Math.floor(@1);",
lubomir@307	672	smapper.popD(), smapper.pushL());
jaroslav@3	673	break;
jaroslav@151	674	case opc_i2b:
Martin@440	675	emit(out, "@1 = __toInt8(@1);", smapper.getI(0));
Martin@440	676	break;
jaroslav@151	677	case opc_i2c:
Martin@439	678	out.append("{ /* number conversion */ }");
Martin@439	679	break;
jaroslav@151	680	case opc_i2s:
Martin@439	681	emit(out, "@1 = __toInt16(@1);", smapper.getI(0));
jaroslav@2	682	break;
jaroslav@151	683	case opc_aconst_null:
lubomir@307	684	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	685	break;
jaroslav@151	686	case opc_iconst_m1:
lubomir@307	687	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	688	break;
jaroslav@151	689	case opc_iconst_0:
lubomir@307	690	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	691	break;
jaroslav@151	692	case opc_dconst_0:
lubomir@307	693	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	694	break;
jaroslav@151	695	case opc_lconst_0:
lubomir@307	696	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	697	break;
jaroslav@151	698	case opc_fconst_0:
lubomir@307	699	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	700	break;
jaroslav@151	701	case opc_iconst_1:
lubomir@307	702	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	703	break;
jaroslav@151	704	case opc_lconst_1:
lubomir@307	705	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	706	break;
jaroslav@151	707	case opc_fconst_1:
lubomir@307	708	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	709	break;
jaroslav@151	710	case opc_dconst_1:
lubomir@307	711	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	712	break;
jaroslav@151	713	case opc_iconst_2:
lubomir@307	714	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	715	break;
jaroslav@151	716	case opc_fconst_2:
lubomir@307	717	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	718	break;
jaroslav@151	719	case opc_iconst_3:
lubomir@307	720	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	721	break;
jaroslav@151	722	case opc_iconst_4:
lubomir@307	723	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	724	break;
jaroslav@151	725	case opc_iconst_5:
lubomir@307	726	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	727	break;
jaroslav@151	728	case opc_ldc: {
jtulach@128	729	int indx = readByte(byteCodes, ++i);
jaroslav@151	730	String v = encodeConstant(indx);
lubomir@307	731	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	732	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20	733	break;
jaroslav@20	734	}
jaroslav@151	735	case opc_ldc_w:
jaroslav@151	736	case opc_ldc2_w: {
jaroslav@8	737	int indx = readIntArg(byteCodes, i);
jaroslav@8	738	i += 2;
jaroslav@151	739	String v = encodeConstant(indx);
lubomir@307	740	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	741	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8	742	break;
jaroslav@8	743	}
jaroslav@151	744	case opc_lcmp:
lubomir@283	745	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	746	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	747	break;
jaroslav@151	748	case opc_fcmpl:
jaroslav@151	749	case opc_fcmpg:
lubomir@283	750	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	751	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	752	break;
jaroslav@151	753	case opc_dcmpl:
lubomir@281	754	case opc_dcmpg:
lubomir@283	755	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	756	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	757	break;
jaroslav@151	758	case opc_if_acmpeq:
lubomir@307	759	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	760	"===");
jaroslav@104	761	break;
jaroslav@151	762	case opc_if_acmpne:
lubomir@307	763	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	764	"!=");
jaroslav@104	765	break;
lubomir@283	766	case opc_if_icmpeq:
lubomir@307	767	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	768	"==");
jaroslav@4	769	break;
jaroslav@151	770	case opc_ifeq: {
jaroslav@7	771	int indx = i + readIntArg(byteCodes, i);
lubomir@283	772	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	773	smapper.popI(), Integer.toString(indx));
jaroslav@7	774	i += 2;
jaroslav@7	775	break;
jaroslav@7	776	}
jaroslav@151	777	case opc_ifne: {
jaroslav@20	778	int indx = i + readIntArg(byteCodes, i);
lubomir@283	779	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	780	smapper.popI(), Integer.toString(indx));
jaroslav@20	781	i += 2;
jaroslav@20	782	break;
jaroslav@20	783	}
jaroslav@151	784	case opc_iflt: {
jaroslav@20	785	int indx = i + readIntArg(byteCodes, i);
lubomir@283	786	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	787	smapper.popI(), Integer.toString(indx));
jaroslav@20	788	i += 2;
jaroslav@20	789	break;
jaroslav@20	790	}
jaroslav@151	791	case opc_ifle: {
jaroslav@20	792	int indx = i + readIntArg(byteCodes, i);
lubomir@283	793	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	794	smapper.popI(), Integer.toString(indx));
jaroslav@20	795	i += 2;
jaroslav@20	796	break;
jaroslav@20	797	}
jaroslav@151	798	case opc_ifgt: {
jaroslav@20	799	int indx = i + readIntArg(byteCodes, i);
lubomir@283	800	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	801	smapper.popI(), Integer.toString(indx));
jaroslav@20	802	i += 2;
jaroslav@20	803	break;
jaroslav@20	804	}
jaroslav@151	805	case opc_ifge: {
jaroslav@20	806	int indx = i + readIntArg(byteCodes, i);
lubomir@283	807	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	808	smapper.popI(), Integer.toString(indx));
jaroslav@20	809	i += 2;
jaroslav@20	810	break;
jaroslav@20	811	}
jaroslav@151	812	case opc_ifnonnull: {
jaroslav@16	813	int indx = i + readIntArg(byteCodes, i);
lubomir@283	814	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	815	smapper.popA(), Integer.toString(indx));
jaroslav@16	816	i += 2;
jaroslav@16	817	break;
jaroslav@16	818	}
jaroslav@151	819	case opc_ifnull: {
jaroslav@16	820	int indx = i + readIntArg(byteCodes, i);
lubomir@283	821	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	822	smapper.popA(), Integer.toString(indx));
jaroslav@16	823	i += 2;
jaroslav@16	824	break;
jaroslav@16	825	}
jaroslav@151	826	case opc_if_icmpne:
lubomir@307	827	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	828	"!=");
jaroslav@4	829	break;
jaroslav@151	830	case opc_if_icmplt:
lubomir@307	831	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	832	"<");
jaroslav@4	833	break;
jaroslav@151	834	case opc_if_icmple:
lubomir@307	835	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	836	"<=");
jaroslav@4	837	break;
jaroslav@151	838	case opc_if_icmpgt:
lubomir@307	839	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	840	">");
jaroslav@4	841	break;
jaroslav@151	842	case opc_if_icmpge:
lubomir@307	843	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	844	">=");
jaroslav@4	845	break;
jaroslav@151	846	case opc_goto: {
jaroslav@5	847	int indx = i + readIntArg(byteCodes, i);
lubomir@283	848	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	849	i += 2;
jaroslav@5	850	break;
jaroslav@5	851	}
jaroslav@151	852	case opc_lookupswitch: {
jtulach@128	853	int table = i / 4 * 4 + 4;
jaroslav@115	854	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	855	table += 4;
jaroslav@115	856	int n = readInt4(byteCodes, table);
jaroslav@115	857	table += 4;
lubomir@307	858	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	859	while (n-- > 0) {
jaroslav@115	860	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	861	table += 4;
jaroslav@115	862	int offset = i + readInt4(byteCodes, table);
jaroslav@115	863	table += 4;
jaroslav@115	864	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	865	}
jaroslav@115	866	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	867	i = table - 1;
jaroslav@115	868	break;
jaroslav@115	869	}
jaroslav@151	870	case opc_tableswitch: {
jtulach@128	871	int table = i / 4 * 4 + 4;
jaroslav@115	872	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	873	table += 4;
jaroslav@115	874	int low = readInt4(byteCodes, table);
jaroslav@115	875	table += 4;
jaroslav@115	876	int high = readInt4(byteCodes, table);
jaroslav@115	877	table += 4;
lubomir@307	878	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	879	while (low <= high) {
jaroslav@115	880	int offset = i + readInt4(byteCodes, table);
jaroslav@115	881	table += 4;
jaroslav@115	882	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	883	low++;
jaroslav@115	884	}
jaroslav@115	885	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	886	i = table - 1;
jaroslav@115	887	break;
jaroslav@115	888	}
jaroslav@151	889	case opc_invokeinterface: {
lubomir@307	890	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	891	break;
jaroslav@46	892	}
jaroslav@151	893	case opc_invokevirtual:
lubomir@307	894	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	895	break;
jaroslav@151	896	case opc_invokespecial:
lubomir@307	897	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	898	break;
jaroslav@151	899	case opc_invokestatic:
lubomir@307	900	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	901	break;
jaroslav@151	902	case opc_new: {
jaroslav@8	903	int indx = readIntArg(byteCodes, i);
jaroslav@151	904	String ci = jc.getClassName(indx);
lubomir@283	905	emit(out, "@1 = new @2;",
lubomir@317	906	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	907	addReference(ci);
jaroslav@8	908	i += 2;
jaroslav@8	909	break;
jaroslav@8	910	}
lubomir@283	911	case opc_newarray:
lubomir@221	912	++i; // skip type of array
lubomir@283	913	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	914	smapper.popI(), smapper.pushA());
jaroslav@21	915	break;
lubomir@283	916	case opc_anewarray:
jaroslav@21	917	i += 2; // skip type of array
lubomir@283	918	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	919	smapper.popI(), smapper.pushA());
jaroslav@21	920	break;
jaroslav@151	921	case opc_multianewarray: {
jtulach@128	922	i += 2;
jtulach@128	923	int dim = readByte(byteCodes, ++i);
lubomir@307	924	out.append("{ var a0 = new Array(").append(smapper.popI())
lubomir@221	925	.append(").fillNulls();");
jtulach@128	926	for (int d = 1; d < dim; d++) {
lubomir@221	927	out.append("\n var l" + d).append(" = ")
lubomir@307	928	.append(smapper.popI()).append(';');
jtulach@128	929	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	930	append(" < a" + (d - 1)).
jtulach@128	931	append(".length; i" + d).append("++) {");
jtulach@128	932	out.append("\n var a" + d).
jaroslav@172	933	append (" = new Array(l" + d).append(").fillNulls();");
jtulach@128	934	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	935	append(";");
jtulach@128	936	}
jtulach@128	937	for (int d = 1; d < dim; d++) {
jtulach@128	938	out.append("\n }");
jtulach@128	939	}
lubomir@307	940	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	941	break;
jtulach@128	942	}
jaroslav@151	943	case opc_arraylength:
lubomir@307	944	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	945	break;
lubomir@283	946	case opc_lastore:
lubomir@283	947	emit(out, "@3[@2] = @1;",
lubomir@307	948	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	949	break;
lubomir@283	950	case opc_fastore:
lubomir@283	951	emit(out, "@3[@2] = @1;",
lubomir@307	952	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	953	break;
lubomir@283	954	case opc_dastore:
lubomir@283	955	emit(out, "@3[@2] = @1;",
lubomir@307	956	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	957	break;
lubomir@283	958	case opc_aastore:
lubomir@283	959	emit(out, "@3[@2] = @1;",
lubomir@307	960	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	961	break;
jaroslav@151	962	case opc_iastore:
jaroslav@151	963	case opc_bastore:
jaroslav@151	964	case opc_castore:
lubomir@283	965	case opc_sastore:
lubomir@283	966	emit(out, "@3[@2] = @1;",
lubomir@307	967	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	968	break;
lubomir@283	969	case opc_laload:
lubomir@283	970	emit(out, "@3 = @2[@1];",
lubomir@307	971	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	972	break;
lubomir@283	973	case opc_faload:
lubomir@283	974	emit(out, "@3 = @2[@1];",
lubomir@307	975	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	976	break;
lubomir@283	977	case opc_daload:
lubomir@283	978	emit(out, "@3 = @2[@1];",
lubomir@307	979	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	980	break;
lubomir@283	981	case opc_aaload:
lubomir@283	982	emit(out, "@3 = @2[@1];",
lubomir@307	983	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	984	break;
jaroslav@272	985	case opc_iaload:
jaroslav@272	986	case opc_baload:
jaroslav@272	987	case opc_caload:
lubomir@283	988	case opc_saload:
lubomir@283	989	emit(out, "@3 = @2[@1];",
lubomir@307	990	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	991	break;
lubomir@221	992	case opc_pop:
jaroslav@272	993	case opc_pop2:
lubomir@307	994	smapper.pop(1);
jaroslav@399	995	debug("/* pop */");
jaroslav@272	996	break;
lubomir@281	997	case opc_dup: {
lubomir@307	998	final Variable v = smapper.get(0);
lubomir@307	999	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1000	break;
jaroslav@21	1001	}
lubomir@281	1002	case opc_dup2: {
lubomir@307	1003	if (smapper.get(0).isCategory2()) {
lubomir@307	1004	final Variable v = smapper.get(0);
lubomir@307	1005	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	1006	} else {
lubomir@307	1007	final Variable v1 = smapper.get(0);
lubomir@307	1008	final Variable v2 = smapper.get(1);
lubomir@283	1009	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	1010	smapper.pushT(v2.getType()), v2,
lubomir@307	1011	smapper.pushT(v1.getType()), v1);
lubomir@281	1012	}
jaroslav@21	1013	break;
jaroslav@21	1014	}
lubomir@281	1015	case opc_dup_x1: {
lubomir@307	1016	final Variable vi1 = smapper.pop();
lubomir@307	1017	final Variable vi2 = smapper.pop();
lubomir@307	1018	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1019	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1020	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1021
lubomir@283	1022	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1023	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1024	break;
lubomir@281	1025	}
lubomir@281	1026	case opc_dup_x2: {
lubomir@307	1027	if (smapper.get(1).isCategory2()) {
lubomir@307	1028	final Variable vi1 = smapper.pop();
lubomir@307	1029	final Variable vi2 = smapper.pop();
lubomir@307	1030	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1031	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1032	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1033
lubomir@283	1034	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1035	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1036	} else {
lubomir@307	1037	final Variable vi1 = smapper.pop();
lubomir@307	1038	final Variable vi2 = smapper.pop();
lubomir@307	1039	final Variable vi3 = smapper.pop();
lubomir@307	1040	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1041	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1042	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1043	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1044
lubomir@283	1045	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283	1046	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1047	}
jaroslav@8	1048	break;
lubomir@281	1049	}
jaroslav@151	1050	case opc_bipush:
lubomir@283	1051	emit(out, "@1 = @2;",
lubomir@307	1052	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1053	break;
jaroslav@151	1054	case opc_sipush:
lubomir@283	1055	emit(out, "@1 = @2;",
lubomir@307	1056	smapper.pushI(),
lubomir@283	1057	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1058	i += 2;
jaroslav@31	1059	break;
jaroslav@151	1060	case opc_getfield: {
jaroslav@8	1061	int indx = readIntArg(byteCodes, i);
jaroslav@151	1062	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1063	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1064	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1065	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1066	i += 2;
jaroslav@8	1067	break;
jaroslav@8	1068	}
jaroslav@151	1069	case opc_getstatic: {
jaroslav@9	1070	int indx = readIntArg(byteCodes, i);
jaroslav@151	1071	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1072	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1073	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1074	smapper.pushT(type),
lubomir@317	1075	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1076	i += 2;
jaroslav@151	1077	addReference(fi[0]);
jaroslav@9	1078	break;
jaroslav@9	1079	}
jaroslav@151	1080	case opc_putfield: {
jaroslav@10	1081	int indx = readIntArg(byteCodes, i);
jaroslav@151	1082	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1083	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1084	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1085	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1086	i += 2;
jaroslav@10	1087	break;
jaroslav@10	1088	}
lubomir@281	1089	case opc_putstatic: {
lubomir@281	1090	int indx = readIntArg(byteCodes, i);
lubomir@281	1091	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1092	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1093	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1094	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1095	smapper.popT(type));
lubomir@281	1096	i += 2;
lubomir@281	1097	addReference(fi[0]);
lubomir@281	1098	break;
lubomir@281	1099	}
jaroslav@151	1100	case opc_checkcast: {
jaroslav@30	1101	int indx = readIntArg(byteCodes, i);
jaroslav@151	1102	final String type = jc.getClassName(indx);
jaroslav@42	1103	if (!type.startsWith("[")) {
jaroslav@42	1104	// no way to check arrays right now
lubomir@283	1105	// XXX proper exception
lubomir@317	1106	emit(out,
lubomir@317	1107	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1108	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1109	}
jaroslav@30	1110	i += 2;
jaroslav@30	1111	break;
jaroslav@30	1112	}
jaroslav@151	1113	case opc_instanceof: {
jaroslav@17	1114	int indx = readIntArg(byteCodes, i);
jaroslav@151	1115	final String type = jc.getClassName(indx);
lubomir@283	1116	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1117	smapper.popA(), smapper.pushI(),
lubomir@317	1118	type.replace('/', '_'));
jaroslav@17	1119	i += 2;
jaroslav@30	1120	break;
jaroslav@17	1121	}
jaroslav@151	1122	case opc_athrow: {
lubomir@307	1123	final Variable v = smapper.popA();
lubomir@307	1124	smapper.clear();
lubomir@281	1125
lubomir@283	1126	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1127	smapper.pushA(), v);
jaroslav@104	1128	break;
jaroslav@104	1129	}
lubomir@221	1130
lubomir@221	1131	case opc_monitorenter: {
lubomir@221	1132	out.append("/* monitor enter */");
lubomir@307	1133	smapper.popA();
lubomir@221	1134	break;
lubomir@221	1135	}
lubomir@221	1136
lubomir@221	1137	case opc_monitorexit: {
lubomir@221	1138	out.append("/* monitor exit */");
lubomir@307	1139	smapper.popA();
lubomir@221	1140	break;
lubomir@221	1141	}
lubomir@221	1142
jaroslav@104	1143	default: {
lubomir@283	1144	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1145	Integer.toString(c));
jaroslav@104	1146	}
jaroslav@0	1147	}
jaroslav@399	1148	if (debug(" //")) {
jaroslav@399	1149	for (int j = prev; j <= i; j++) {
jaroslav@399	1150	out.append(" ");
jaroslav@399	1151	final int cc = readByte(byteCodes, j);
jaroslav@399	1152	out.append(Integer.toString(cc));
tzezula@285	1153	}
jaroslav@0	1154	}
tzezula@285	1155	out.append("\n");
jaroslav@0	1156	}
jaroslav@398	1157	if (previousTrap != null) {
jaroslav@398	1158	generateCatch(previousTrap);
jaroslav@398	1159	}
jaroslav@10	1160	out.append(" }\n");
lubomir@307	1161	out.append("};");
jaroslav@4	1162	}
jaroslav@4	1163
lubomir@281	1164	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1165	final Variable v2, final Variable v1,
lubomir@281	1166	final String test) throws IOException {
jaroslav@4	1167	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1168	out.append("if (").append(v1)
lubomir@221	1169	.append(' ').append(test).append(' ')
lubomir@281	1170	.append(v2).append(") { gt = " + indx)
lubomir@221	1171	.append("; continue; }");
jaroslav@4	1172	return i + 2;
jaroslav@4	1173	}
jaroslav@4	1174
jaroslav@4	1175	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1176	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1177	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1178	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1179	}
jaroslav@115	1180	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1181	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1182	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1183	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1184	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1185	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1186	}
jtulach@128	1187	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1188	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1189	}
jaroslav@4	1190
lubomir@281	1191	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1192	int i = 0;
jaroslav@4	1193	Boolean count = null;
jaroslav@32	1194	boolean array = false;
jaroslav@248	1195	sig.append("__");
jaroslav@10	1196	int firstPos = sig.length();
jaroslav@4	1197	while (i < descriptor.length()) {
jaroslav@4	1198	char ch = descriptor.charAt(i++);
jaroslav@4	1199	switch (ch) {
jaroslav@4	1200	case '(':
jaroslav@4	1201	count = true;
jaroslav@4	1202	continue;
jaroslav@4	1203	case ')':
jaroslav@4	1204	count = false;
jaroslav@4	1205	continue;
jaroslav@4	1206	case 'B':
jaroslav@4	1207	case 'C':
jaroslav@4	1208	case 'D':
jaroslav@4	1209	case 'F':
jaroslav@4	1210	case 'I':
jaroslav@4	1211	case 'J':
jaroslav@4	1212	case 'S':
jaroslav@4	1213	case 'Z':
jaroslav@4	1214	if (count) {
jaroslav@32	1215	if (array) {
jaroslav@248	1216	sig.append("_3");
jaroslav@32	1217	}
jaroslav@4	1218	sig.append(ch);
jtulach@156	1219	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1220	cnt.append('1');
jtulach@156	1221	} else {
jtulach@156	1222	cnt.append('0');
jtulach@156	1223	}
jaroslav@4	1224	} else {
jaroslav@10	1225	sig.insert(firstPos, ch);
jaroslav@32	1226	if (array) {
lubomir@281	1227	returnType[0] = '[';
jaroslav@248	1228	sig.insert(firstPos, "_3");
lubomir@281	1229	} else {
lubomir@281	1230	returnType[0] = ch;
jaroslav@32	1231	}
jaroslav@4	1232	}
jaroslav@93	1233	array = false;
jaroslav@4	1234	continue;
jaroslav@4	1235	case 'V':
jaroslav@4	1236	assert !count;
lubomir@281	1237	returnType[0] = 'V';
jaroslav@10	1238	sig.insert(firstPos, 'V');
jaroslav@4	1239	continue;
jaroslav@4	1240	case 'L':
jaroslav@16	1241	int next = descriptor.indexOf(';', i);
jaroslav@248	1242	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1243	if (count) {
jaroslav@32	1244	if (array) {
jaroslav@248	1245	sig.append("_3");
jaroslav@32	1246	}
jaroslav@248	1247	sig.append(realSig);
jtulach@156	1248	cnt.append('0');
jaroslav@4	1249	} else {
jaroslav@248	1250	sig.insert(firstPos, realSig);
jaroslav@32	1251	if (array) {
jaroslav@248	1252	sig.insert(firstPos, "_3");
jaroslav@32	1253	}
lubomir@281	1254	returnType[0] = 'L';
jaroslav@4	1255	}
jaroslav@16	1256	i = next + 1;
lubomir@407	1257	array = false;
jaroslav@4	1258	continue;
jaroslav@4	1259	case '[':
jaroslav@248	1260	array = true;
jaroslav@4	1261	continue;
jaroslav@4	1262	default:
jaroslav@248	1263	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1264	}
jaroslav@4	1265	}
jaroslav@0	1266	}
jaroslav@248	1267
jaroslav@248	1268	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1269	StringBuilder sb = new StringBuilder();
jaroslav@248	1270	for (int i = first; i < last; i++) {
jaroslav@248	1271	final char ch = txt.charAt(i);
jaroslav@248	1272	switch (ch) {
jaroslav@248	1273	case '/': sb.append('_'); break;
jaroslav@248	1274	case '_': sb.append("_1"); break;
jaroslav@248	1275	case ';': sb.append("_2"); break;
jaroslav@248	1276	case '[': sb.append("_3"); break;
jaroslav@248	1277	default: sb.append(ch); break;
jaroslav@248	1278	}
jaroslav@248	1279	}
jaroslav@248	1280	return sb.toString();
jaroslav@248	1281	}
jaroslav@9	1282
jaroslav@248	1283	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1284	StringBuilder name = new StringBuilder();
jaroslav@10	1285	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1286	name.append("cons"); // NOI18N
jaroslav@19	1287	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1288	name.append("class"); // NOI18N
jaroslav@10	1289	} else {
jaroslav@42	1290	name.append(m.getName());
jaroslav@10	1291	}
jaroslav@42	1292
lubomir@282	1293	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1294	return name.toString();
jaroslav@10	1295	}
jaroslav@10	1296
lubomir@282	1297	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1298	StringBuilder name = new StringBuilder();
jaroslav@151	1299	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1300	String nm= mi[1];
jaroslav@151	1301	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1302	name.append("cons"); // NOI18N
jaroslav@10	1303	} else {
jaroslav@151	1304	name.append(nm);
jaroslav@10	1305	}
lubomir@282	1306	countArgs(descr, returnType, name, cnt);
jaroslav@10	1307	return name.toString();
jaroslav@10	1308	}
jaroslav@10	1309
lubomir@307	1310	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1311	throws IOException {
jaroslav@10	1312	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1313	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1314	char[] returnType = { 'V' };
jtulach@156	1315	StringBuilder cnt = new StringBuilder();
lubomir@281	1316	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1317
lubomir@221	1318	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1319	final Variable[] vars = new Variable[numArguments];
lubomir@221	1320
lubomir@281	1321	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1322	vars[j] = mapper.pop();
jaroslav@11	1323	}
lubomir@281	1324
lubomir@281	1325	if (returnType[0] != 'V') {
lubomir@307	1326	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1327	.append(" = ");
jaroslav@10	1328	}
lubomir@221	1329
jaroslav@151	1330	final String in = mi[0];
jaroslav@274	1331	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1332	out.append("(false).");
jaroslav@397	1333	if (mn.startsWith("cons_")) {
jaroslav@397	1334	out.append("constructor.");
jaroslav@397	1335	}
jaroslav@10	1336	out.append(mn);
jaroslav@10	1337	out.append('(');
lubomir@221	1338	if (numArguments > 0) {
lubomir@281	1339	out.append(vars[0]);
lubomir@281	1340	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1341	out.append(", ");
lubomir@281	1342	out.append(vars[j]);
lubomir@221	1343	}
jaroslav@10	1344	}
lubomir@221	1345	out.append(");");
jaroslav@10	1346	i += 2;
jaroslav@18	1347	addReference(in);
jaroslav@10	1348	return i;
jaroslav@10	1349	}
lubomir@307	1350	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1351	throws IOException {
jaroslav@12	1352	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1353	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1354	char[] returnType = { 'V' };
jtulach@156	1355	StringBuilder cnt = new StringBuilder();
lubomir@281	1356	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1357
lubomir@281	1358	final int numArguments = cnt.length() + 1;
lubomir@281	1359	final Variable[] vars = new Variable[numArguments];
lubomir@221	1360
lubomir@281	1361	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1362	vars[j] = mapper.pop();
jaroslav@12	1363	}
lubomir@221	1364
lubomir@281	1365	if (returnType[0] != 'V') {
lubomir@307	1366	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1367	.append(" = ");
jaroslav@12	1368	}
lubomir@281	1369
lubomir@281	1370	out.append(vars[0]).append('.');
jaroslav@12	1371	out.append(mn);
jaroslav@12	1372	out.append('(');
lubomir@281	1373	out.append(vars[0]);
lubomir@281	1374	for (int j = 1; j < numArguments; ++j) {
jaroslav@12	1375	out.append(", ");
lubomir@281	1376	out.append(vars[j]);
jaroslav@12	1377	}
lubomir@221	1378	out.append(");");
jaroslav@12	1379	i += 2;
jaroslav@12	1380	return i;
jaroslav@12	1381	}
lubomir@221	1382
jaroslav@103	1383	private void addReference(String cn) throws IOException {
jtulach@162	1384	if (requireReference(cn)) {
jaroslav@399	1385	debug(" /* needs " + cn + " */");
jaroslav@18	1386	}
jaroslav@18	1387	}
jaroslav@16	1388
jaroslav@33	1389	private void outType(String d, StringBuilder out) {
jaroslav@33	1390	int arr = 0;
jaroslav@33	1391	while (d.charAt(0) == '[') {
jaroslav@33	1392	out.append('A');
jaroslav@33	1393	d = d.substring(1);
jaroslav@33	1394	}
jaroslav@16	1395	if (d.charAt(0) == 'L') {
jaroslav@16	1396	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1397	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1398	} else {
jaroslav@16	1399	out.append(d);
jaroslav@16	1400	}
jaroslav@16	1401	}
jaroslav@21	1402
jaroslav@230	1403	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1404	String[] classRef = { null };
jaroslav@230	1405	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1406	if (classRef[0] != null) {
jaroslav@230	1407	addReference(classRef[0]);
jaroslav@274	1408	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1409	}
jaroslav@151	1410	return s;
jaroslav@21	1411	}
jaroslav@32	1412
jaroslav@266	1413	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1414	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1415	if (arr == null) {
jaroslav@266	1416	return null;
jaroslav@152	1417	}
jaroslav@200	1418	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1419	class P extends AnnotationParser {
jaroslav@237	1420	public P() {
jaroslav@237	1421	super(false);
jaroslav@237	1422	}
jaroslav@237	1423
jaroslav@152	1424	int cnt;
jaroslav@152	1425	String[] args = new String[30];
jaroslav@152	1426	String body;
jaroslav@94	1427
jaroslav@152	1428	@Override
jaroslav@236	1429	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1430	if (type.equals(jvmType)) {
jaroslav@152	1431	if ("body".equals(attr)) {
jaroslav@152	1432	body = value;
jaroslav@152	1433	} else if ("args".equals(attr)) {
jaroslav@152	1434	args[cnt++] = value;
jaroslav@152	1435	} else {
jaroslav@152	1436	throw new IllegalArgumentException(attr);
jaroslav@152	1437	}
jaroslav@152	1438	}
jaroslav@94	1439	}
jaroslav@94	1440	}
jaroslav@152	1441	P p = new P();
jaroslav@152	1442	p.parse(arr, jc);
jaroslav@152	1443	if (p.body == null) {
jaroslav@266	1444	return null;
jaroslav@152	1445	}
jtulach@156	1446	StringBuilder cnt = new StringBuilder();
jaroslav@266	1447	final String mn = findMethodName(m, cnt);
jaroslav@266	1448	out.append(prefix).append(mn);
jaroslav@203	1449	out.append(" = function(");
jaroslav@152	1450	String space;
jaroslav@152	1451	int index;
jaroslav@152	1452	if (!isStatic) {
jaroslav@316	1453	space = outputArg(out, p.args, 0);
jaroslav@152	1454	index = 1;
jaroslav@152	1455	} else {
jaroslav@152	1456	space = "";
jaroslav@152	1457	index = 0;
jaroslav@152	1458	}
jtulach@156	1459	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1460	out.append(space);
jaroslav@316	1461	space = outputArg(out, p.args, index);
jaroslav@152	1462	index++;
jaroslav@152	1463	}
jaroslav@152	1464	out.append(") {").append("\n");
jaroslav@152	1465	out.append(p.body);
jaroslav@152	1466	out.append("\n}\n");
jaroslav@266	1467	return mn;
jaroslav@151	1468	}
jaroslav@151	1469	private static String className(ClassData jc) {
jaroslav@151	1470	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1471	return jc.getClassName().replace('/', '_');
jaroslav@94	1472	}
jaroslav@152	1473
jaroslav@152	1474	private static String[] findAnnotation(
jaroslav@152	1475	byte[] arr, ClassData cd, final String className,
jaroslav@152	1476	final String... attrNames
jaroslav@152	1477	) throws IOException {
jaroslav@152	1478	if (arr == null) {
jaroslav@152	1479	return null;
jaroslav@152	1480	}
jaroslav@152	1481	final String[] values = new String[attrNames.length];
jaroslav@152	1482	final boolean[] found = { false };
jaroslav@152	1483	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1484	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1485	@Override
jaroslav@236	1486	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1487	if (type.equals(jvmType)) {
jaroslav@152	1488	found[0] = true;
jaroslav@152	1489	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1490	if (attrNames[i].equals(attr)) {
jaroslav@152	1491	values[i] = value;
jaroslav@152	1492	}
jaroslav@152	1493	}
jaroslav@152	1494	}
jaroslav@152	1495	}
jaroslav@152	1496
jaroslav@152	1497	};
jaroslav@152	1498	ap.parse(arr, cd);
jaroslav@152	1499	return found[0] ? values : null;
jaroslav@152	1500	}
jaroslav@173	1501
jaroslav@173	1502	private CharSequence initField(FieldData v) {
jaroslav@173	1503	final String is = v.getInternalSig();
jaroslav@173	1504	if (is.length() == 1) {
jaroslav@173	1505	switch (is.charAt(0)) {
jaroslav@173	1506	case 'S':
jaroslav@173	1507	case 'J':
jaroslav@173	1508	case 'B':
jaroslav@173	1509	case 'Z':
jaroslav@173	1510	case 'C':
jaroslav@173	1511	case 'I': return " = 0;";
jaroslav@173	1512	case 'F':
jaroslav@180	1513	case 'D': return " = 0.0;";
jaroslav@173	1514	default:
jaroslav@173	1515	throw new IllegalStateException(is);
jaroslav@173	1516	}
jaroslav@173	1517	}
jaroslav@173	1518	return " = null;";
jaroslav@173	1519	}
jaroslav@235	1520
jaroslav@235	1521	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1522	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1523	int anno;
jaroslav@235	1524	int cnt;
jaroslav@235	1525
jaroslav@235	1526	@Override
jaroslav@235	1527	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1528	if (anno++ > 0) {
jaroslav@237	1529	out.append(",");
jaroslav@237	1530	}
jaroslav@235	1531	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1532	cnt = 0;
jaroslav@235	1533	}
jaroslav@235	1534
jaroslav@235	1535	@Override
jaroslav@235	1536	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1537	out.append("\n}\n");
jaroslav@235	1538	}
jaroslav@235	1539
jaroslav@235	1540	@Override
jaroslav@236	1541	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1542	throws IOException {
jaroslav@266	1543	if (attr == null) {
jaroslav@266	1544	return;
jaroslav@266	1545	}
jaroslav@235	1546	if (cnt++ > 0) {
jaroslav@235	1547	out.append(",\n");
jaroslav@235	1548	}
jaroslav@250	1549	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1550	}
jaroslav@235	1551	};
jaroslav@235	1552	ap.parse(data, cd);
jaroslav@235	1553	}
jaroslav@316	1554
jaroslav@316	1555	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1556	final String name = args[indx];
jaroslav@316	1557	if (name == null) {
jaroslav@316	1558	return "";
jaroslav@316	1559	}
jaroslav@316	1560	if (name.contains(",")) {
jaroslav@316	1561	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1562	}
jaroslav@316	1563	out.append(name);
jaroslav@316	1564	return ",";
jaroslav@316	1565	}
lubomir@317	1566
lubomir@283	1567	private static void emit(final Appendable out,
lubomir@283	1568	final String format,
lubomir@283	1569	final CharSequence... params) throws IOException {
lubomir@283	1570	final int length = format.length();
lubomir@283	1571
lubomir@283	1572	int processed = 0;
lubomir@283	1573	int paramOffset = format.indexOf('@');
lubomir@283	1574	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1575	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1576	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1577	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1578
lubomir@283	1579	out.append(format, processed, paramOffset);
lubomir@283	1580	out.append(params[paramIndex]);
lubomir@283	1581
lubomir@283	1582	++paramOffset;
lubomir@283	1583	processed = paramOffset + 1;
lubomir@283	1584	}
lubomir@283	1585
lubomir@283	1586	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1587	}
lubomir@283	1588
lubomir@283	1589	out.append(format, processed, length);
lubomir@283	1590	}
jaroslav@398	1591
jaroslav@398	1592	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1593	out.append("} catch (e) {\n");
jaroslav@401	1594	int finallyPC = -1;
jaroslav@398	1595	for (TrapData e : traps) {
jaroslav@398	1596	if (e == null) {
jaroslav@398	1597	break;
jaroslav@398	1598	}
jaroslav@398	1599	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1600	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1601	addReference(classInternalName);
jaroslav@423	1602	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1603	out.append("if (e.$instOf_java_lang_Throwable) {");
jaroslav@423	1604	out.append(" stA0 = e;");
jaroslav@423	1605	out.append("} else {");
jaroslav@423	1606	out.append(" stA0 = vm.java_lang_Throwable(true);");
jaroslav@423	1607	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2(stA0, e.toString());");
jaroslav@423	1608	out.append("}");
jaroslav@423	1609	out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423	1610	} else {
jaroslav@423	1611	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@423	1612	out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@423	1613	out.append("}\n");
jaroslav@423	1614	}
jaroslav@398	1615	} else {
jaroslav@401	1616	finallyPC = e.handler_pc;
jaroslav@398	1617	}
jaroslav@398	1618	}
jaroslav@401	1619	if (finallyPC == -1) {
jaroslav@401	1620	out.append("throw e;");
jaroslav@401	1621	} else {
jaroslav@401	1622	out.append("gt=" + finallyPC + "; stA0 = e; continue;");
jaroslav@401	1623	}
jaroslav@400	1624	out.append("\n}");
jaroslav@398	1625	}
jaroslav@0	1626	}

author	Martin Soch <Martin.Soch@oracle.com>
	Mon, 14 Jan 2013 09:47:38 +0100
branch	arithmetic
changeset 440	aa50464da62d
parent 439	e4fb6c7ac42a
child 445	9e4f01dd6acb
permissions	-rw-r--r--