hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@34931e381886 (annotated)

jaroslav@106	1	/**
jaroslav@106	2	* Back 2 Browser Bytecode Translator
jaroslav@106	3	* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@106	4	*
jaroslav@106	5	* This program is free software: you can redistribute it and/or modify
jaroslav@106	6	* it under the terms of the GNU General Public License as published by
jaroslav@106	7	* the Free Software Foundation, version 2 of the License.
jaroslav@106	8	*
jaroslav@106	9	* This program is distributed in the hope that it will be useful,
jaroslav@106	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@106	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
jaroslav@106	12	* GNU General Public License for more details.
jaroslav@106	13	*
jaroslav@106	14	* You should have received a copy of the GNU General Public License
jaroslav@106	15	* along with this program. Look for COPYING file in the top folder.
jaroslav@106	16	* If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@106	17	*/
jaroslav@22	18	package org.apidesign.vm4brwsr;
jaroslav@0	19
jaroslav@0	20	import java.io.IOException;
jaroslav@0	21	import java.io.InputStream;
jaroslav@457	22	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jtulach@167	23	import org.apidesign.javap.AnnotationParser;
jtulach@167	24	import org.apidesign.javap.ClassData;
jtulach@167	25	import org.apidesign.javap.FieldData;
jtulach@167	26	import org.apidesign.javap.MethodData;
lubomir@221	27	import org.apidesign.javap.StackMapIterator;
jtulach@167	28	import static org.apidesign.javap.RuntimeConstants.*;
tzezula@287	29	import org.apidesign.javap.TrapData;
jaroslav@288	30	import org.apidesign.javap.TrapDataIterator;
jaroslav@0	31
jaroslav@0	32	/** Translator of the code inside class files to JavaScript.
jaroslav@0	33	*
jaroslav@0	34	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@0	35	*/
jaroslav@298	36	abstract class ByteCodeToJavaScript {
jtulach@162	37	private ClassData jc;
jaroslav@272	38	final Appendable out;
jaroslav@0	39
jtulach@162	40	protected ByteCodeToJavaScript(Appendable out) {
jaroslav@0	41	this.out = out;
jaroslav@0	42	}
jtulach@162	43
jtulach@162	44	/* Collects additional required resources.
jtulach@162	45	*
jtulach@162	46	* @param internalClassName classes that were referenced and should be loaded in order the
jtulach@162	47	* generated JavaScript code works properly. The names are in internal
jtulach@162	48	* JVM form so String is <code>java/lang/String</code>.
jtulach@162	49	*/
jtulach@162	50	protected abstract boolean requireReference(String internalClassName);
jtulach@162	51
jtulach@162	52	/*
jtulach@162	53	* @param resourcePath name of resources to read
jtulach@162	54	*/
jtulach@162	55	protected abstract void requireScript(String resourcePath);
jaroslav@213	56
jaroslav@213	57	/** Allows subclasses to redefine what field a function representing a
jaroslav@213	58	* class gets assigned. By default it returns the suggested name followed
jaroslav@213	59	* by <code>" = "</code>;
jaroslav@213	60	*
jaroslav@213	61	* @param className suggested name of the class
jaroslav@213	62	*/
jaroslav@274	63	/* protected */ String assignClass(String className) {
jaroslav@213	64	return className + " = ";
jaroslav@213	65	}
jaroslav@274	66	/* protected */ String accessClass(String classOperation) {
jaroslav@274	67	return classOperation;
jaroslav@274	68	}
jaroslav@399	69
jaroslav@399	70	/** Prints out a debug message.
jaroslav@399	71	*
jaroslav@399	72	* @param msg the message
jaroslav@399	73	* @return true if the message has been printed
jaroslav@399	74	* @throws IOException
jaroslav@399	75	*/
jaroslav@399	76	boolean debug(String msg) throws IOException {
jaroslav@399	77	out.append(msg);
jaroslav@399	78	return true;
jaroslav@399	79	}
jaroslav@18	80
jaroslav@18	81	/**
jaroslav@18	82	* Converts a given class file to a JavaScript version.
jaroslav@18	83	*
jaroslav@0	84	* @param classFile input stream with code of the .class file
jaroslav@97	85	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	86	*
jaroslav@0	87	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	88	*/
jaroslav@18	89
jtulach@162	90	public String compile(InputStream classFile) throws IOException {
jtulach@162	91	this.jc = new ClassData(classFile);
jaroslav@324	92	if (jc.getMajor_version() < 50) {
jaroslav@324	93	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	94	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	95	);
jaroslav@324	96	}
jaroslav@152	97	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	98	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	99	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	100	"resource", "processByteCode"
jaroslav@170	101	);
jaroslav@152	102	if (arr != null) {
jtulach@162	103	requireScript(arr[0]);
jaroslav@152	104	if ("0".equals(arr[1])) {
jaroslav@97	105	return null;
jaroslav@91	106	}
jaroslav@91	107	}
jaroslav@239	108	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	109	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	110	"container", "prototype"
jaroslav@239	111	);
jtulach@162	112	StringArray toInitilize = new StringArray();
jaroslav@151	113	final String className = className(jc);
jaroslav@213	114	out.append("\n\n").append(assignClass(className));
jaroslav@213	115	out.append("function CLS() {");
jaroslav@213	116	out.append("\n if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191	117	for (FieldData v : jc.getFields()) {
jtulach@191	118	if (v.isStatic()) {
jaroslav@213	119	out.append("\n CLS.").append(v.getName()).append(initField(v));
jtulach@191	120	}
jtulach@191	121	}
jaroslav@239	122	if (proto == null) {
jaroslav@239	123	String sc = jc.getSuperClassName(); // with _
jaroslav@230	124	out.append("\n var pp = ").
jaroslav@274	125	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	126	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	127	out.append("\n var c = p;");
jaroslav@230	128	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	129	} else {
jaroslav@240	130	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	131	if (proto[0] == null) {
jaroslav@316	132	proto[0] = "p";
jaroslav@316	133	}
jaroslav@239	134	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	135	out.append("\n var sprcls = null;");
jaroslav@13	136	}
jaroslav@151	137	for (MethodData m : jc.getMethods()) {
jaroslav@240	138	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	139	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	140	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	141	"name", "value"
jaroslav@240	142	);
jaroslav@240	143	if (only != null) {
jaroslav@240	144	if (only[0] != null && only[1] != null) {
jaroslav@240	145	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	146	.append(only[1]).append(";");
jaroslav@240	147	}
jaroslav@240	148	continue;
jaroslav@240	149	}
jaroslav@397	150	String prefix;
jaroslav@266	151	String mn;
jaroslav@203	152	if (m.isStatic()) {
jaroslav@397	153	prefix = "\n c.";
jaroslav@397	154	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	155	} else {
jaroslav@397	156	if (m.isConstructor()) {
jaroslav@397	157	prefix = "\n CLS.";
jaroslav@397	158	mn = generateInstanceMethod(prefix, m);
jaroslav@397	159	} else {
jaroslav@397	160	prefix = "\n c.";
jaroslav@397	161	mn = generateInstanceMethod(prefix, m);
jaroslav@397	162	}
jaroslav@266	163	}
jaroslav@266	164	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	165	if (runAnno != null) {
jaroslav@397	166	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	167	generateAnno(jc, out, runAnno);
jaroslav@266	168	out.append("\n };");
jaroslav@38	169	}
jaroslav@397	170	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38	171	}
jaroslav@239	172	out.append("\n c.constructor = CLS;");
jaroslav@239	173	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	174	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	175	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	176	}
jaroslav@274	177	out.append("\n CLS.$class = ");
jaroslav@274	178	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	179	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	180	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	181	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	182	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	183	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	184	if (classAnno != null) {
jaroslav@235	185	out.append("\n CLS.$class.anno = {");
jaroslav@235	186	generateAnno(jc, out, classAnno);
jaroslav@235	187	out.append("\n };");
jaroslav@235	188	}
jaroslav@204	189	out.append("\n }");
jaroslav@205	190	out.append("\n if (arguments.length === 0) {");
jaroslav@226	191	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	192	out.append("\n return new CLS();");
jaroslav@226	193	out.append("\n }");
jaroslav@205	194	for (FieldData v : jc.getFields()) {
jaroslav@240	195	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	196	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	197	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	198	"name", "value"
jaroslav@240	199	);
jaroslav@240	200	if (only != null) {
jaroslav@240	201	if (only[0] != null && only[1] != null) {
jaroslav@240	202	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	203	.append(only[1]).append(";");
jaroslav@240	204	}
jaroslav@240	205	continue;
jaroslav@240	206	}
jaroslav@205	207	if (!v.isStatic()) {
jaroslav@205	208	out.append("\n this.fld_").
jaroslav@205	209	append(v.getName()).append(initField(v));
jaroslav@205	210	}
jaroslav@205	211	}
jaroslav@205	212	out.append("\n return this;");
jaroslav@205	213	out.append("\n }");
jaroslav@224	214	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98	215	out.append("\n}");
jaroslav@97	216	StringBuilder sb = new StringBuilder();
jtulach@162	217	for (String init : toInitilize.toArray()) {
jaroslav@97	218	sb.append("\n").append(init).append("();");
jaroslav@21	219	}
jaroslav@97	220	return sb.toString();
jaroslav@0	221	}
jaroslav@266	222	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	223	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	224	if (jsb != null) {
jaroslav@266	225	return jsb;
jaroslav@94	226	}
lubomir@307	227	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	228	if (mn.equals("class__V")) {
jaroslav@274	229	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	230	}
lubomir@307	231	generateMethod(prefix, mn, m);
jaroslav@266	232	return mn;
jaroslav@10	233	}
lubomir@307	234
jaroslav@266	235	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	236	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	237	if (jsb != null) {
jaroslav@266	238	return jsb;
jaroslav@94	239	}
lubomir@307	240	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	241	generateMethod(prefix, mn, m);
jaroslav@266	242	return mn;
jaroslav@0	243	}
jaroslav@0	244
lubomir@307	245	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	246	throws IOException {
lubomir@307	247	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	248	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	249	final LocalsMapper lmapper =
lubomir@307	250	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	251
lubomir@307	252	out.append(prefix).append(name).append(" = function(");
jaroslav@442	253	lmapper.outputArguments(out, m.isStatic());
lubomir@307	254	out.append(") {").append("\n");
lubomir@307	255
lubomir@221	256	final byte[] byteCodes = m.getCode();
lubomir@307	257	if (byteCodes == null) {
lubomir@307	258	out.append(" throw 'no code found for ")
jaroslav@424	259	.append(jc.getClassName()).append('.')
jaroslav@424	260	.append(m.getName()).append("';\n");
lubomir@307	261	out.append("};");
lubomir@307	262	return;
lubomir@307	263	}
lubomir@307	264
lubomir@307	265	final StackMapper smapper = new StackMapper();
lubomir@307	266
lubomir@307	267	final int maxLocals = m.getMaxLocals();
lubomir@307	268	if (maxLocals > 0) {
lubomir@307	269	// TODO: generate only used local variables
lubomir@307	270	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@307	271	out.append("\n var ").append(Variable.getLocalVariable(j, 0));
lubomir@307	272	for (int i = 1; i < maxLocals; ++i) {
lubomir@307	273	out.append(", ");
lubomir@307	274	out.append(Variable.getLocalVariable(j, i));
lubomir@307	275	}
lubomir@307	276	out.append(';');
lubomir@307	277	}
lubomir@307	278	}
jaroslav@442	279	if (!m.isStatic()) {
jaroslav@442	280	out.append(" var ").append(" lcA0 = this;\n");
jaroslav@442	281	}
lubomir@221	282
lubomir@221	283	// maxStack includes two stack positions for every pushed long / double
lubomir@221	284	// so this might generate more stack variables than we need
lubomir@221	285	final int maxStack = m.getMaxStack();
lubomir@221	286	if (maxStack > 0) {
lubomir@281	287	// TODO: generate only used stack variables
lubomir@307	288	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281	289	out.append("\n var ").append(Variable.getStackVariable(j, 0));
lubomir@281	290	for (int i = 1; i < maxStack; ++i) {
lubomir@281	291	out.append(", ");
lubomir@281	292	out.append(Variable.getStackVariable(j, i));
lubomir@281	293	}
lubomir@281	294	out.append(';');
lubomir@221	295	}
lubomir@221	296	}
lubomir@221	297
lubomir@221	298	int lastStackFrame = -1;
jaroslav@398	299	TrapData[] previousTrap = null;
jaroslav@398	300
jaroslav@10	301	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	302	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	303	int prev = i;
lubomir@221	304	stackMapIterator.advanceTo(i);
jaroslav@398	305	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	306	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	307	if (previousTrap != null) {
jaroslav@398	308	generateCatch(previousTrap);
jaroslav@398	309	previousTrap = null;
jaroslav@398	310	}
jaroslav@398	311	}
lubomir@221	312	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	313	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	314	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	315	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	316	out.append(" case " + i).append(": ");
jaroslav@398	317	changeInCatch = true;
lubomir@221	318	} else {
jaroslav@399	319	debug(" /* " + i + " */ ");
lubomir@221	320	}
jaroslav@398	321	if (changeInCatch && trap.useTry()) {
tzezula@285	322	out.append("try {");
jaroslav@398	323	previousTrap = trap.current();
tzezula@285	324	}
jtulach@128	325	final int c = readByte(byteCodes, i);
jaroslav@0	326	switch (c) {
jaroslav@151	327	case opc_aload_0:
lubomir@307	328	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	329	break;
jaroslav@151	330	case opc_iload_0:
lubomir@307	331	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	332	break;
jaroslav@151	333	case opc_lload_0:
lubomir@307	334	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	335	break;
jaroslav@151	336	case opc_fload_0:
lubomir@307	337	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	338	break;
jaroslav@151	339	case opc_dload_0:
lubomir@307	340	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	341	break;
jaroslav@151	342	case opc_aload_1:
lubomir@307	343	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	344	break;
jaroslav@151	345	case opc_iload_1:
lubomir@307	346	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	347	break;
jaroslav@151	348	case opc_lload_1:
lubomir@307	349	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	350	break;
jaroslav@151	351	case opc_fload_1:
lubomir@307	352	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	353	break;
jaroslav@151	354	case opc_dload_1:
lubomir@307	355	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	356	break;
jaroslav@151	357	case opc_aload_2:
lubomir@307	358	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	359	break;
jaroslav@151	360	case opc_iload_2:
lubomir@307	361	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	362	break;
jaroslav@151	363	case opc_lload_2:
lubomir@307	364	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	365	break;
jaroslav@151	366	case opc_fload_2:
lubomir@307	367	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	368	break;
jaroslav@151	369	case opc_dload_2:
lubomir@307	370	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	371	break;
jaroslav@151	372	case opc_aload_3:
lubomir@307	373	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	374	break;
jaroslav@151	375	case opc_iload_3:
lubomir@307	376	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	377	break;
jaroslav@151	378	case opc_lload_3:
lubomir@307	379	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	380	break;
jaroslav@151	381	case opc_fload_3:
lubomir@307	382	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	383	break;
jaroslav@151	384	case opc_dload_3:
lubomir@307	385	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	386	break;
lubomir@281	387	case opc_iload: {
lubomir@281	388	final int indx = readByte(byteCodes, ++i);
lubomir@307	389	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	390	break;
lubomir@281	391	}
lubomir@281	392	case opc_lload: {
lubomir@281	393	final int indx = readByte(byteCodes, ++i);
lubomir@307	394	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	395	break;
lubomir@281	396	}
lubomir@281	397	case opc_fload: {
lubomir@281	398	final int indx = readByte(byteCodes, ++i);
lubomir@307	399	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	400	break;
lubomir@281	401	}
lubomir@281	402	case opc_dload: {
lubomir@281	403	final int indx = readByte(byteCodes, ++i);
lubomir@307	404	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	405	break;
lubomir@281	406	}
jaroslav@151	407	case opc_aload: {
jtulach@128	408	final int indx = readByte(byteCodes, ++i);
lubomir@307	409	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	410	break;
jaroslav@3	411	}
lubomir@281	412	case opc_istore: {
lubomir@281	413	final int indx = readByte(byteCodes, ++i);
lubomir@307	414	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	415	break;
lubomir@281	416	}
lubomir@281	417	case opc_lstore: {
lubomir@281	418	final int indx = readByte(byteCodes, ++i);
lubomir@307	419	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	420	break;
lubomir@281	421	}
lubomir@281	422	case opc_fstore: {
lubomir@281	423	final int indx = readByte(byteCodes, ++i);
lubomir@307	424	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	425	break;
lubomir@281	426	}
lubomir@281	427	case opc_dstore: {
lubomir@281	428	final int indx = readByte(byteCodes, ++i);
lubomir@307	429	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	430	break;
lubomir@281	431	}
jaroslav@151	432	case opc_astore: {
jtulach@128	433	final int indx = readByte(byteCodes, ++i);
lubomir@307	434	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	435	break;
jaroslav@31	436	}
jaroslav@151	437	case opc_astore_0:
lubomir@307	438	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	439	break;
jaroslav@151	440	case opc_istore_0:
lubomir@307	441	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	442	break;
jaroslav@151	443	case opc_lstore_0:
lubomir@307	444	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	445	break;
jaroslav@151	446	case opc_fstore_0:
lubomir@307	447	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	448	break;
jaroslav@151	449	case opc_dstore_0:
lubomir@307	450	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	451	break;
jaroslav@151	452	case opc_astore_1:
lubomir@307	453	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	454	break;
jaroslav@151	455	case opc_istore_1:
lubomir@307	456	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	457	break;
jaroslav@151	458	case opc_lstore_1:
lubomir@307	459	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	460	break;
jaroslav@151	461	case opc_fstore_1:
lubomir@307	462	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	463	break;
jaroslav@151	464	case opc_dstore_1:
lubomir@307	465	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	466	break;
jaroslav@151	467	case opc_astore_2:
lubomir@307	468	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	469	break;
jaroslav@151	470	case opc_istore_2:
lubomir@307	471	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	472	break;
jaroslav@151	473	case opc_lstore_2:
lubomir@307	474	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	475	break;
jaroslav@151	476	case opc_fstore_2:
lubomir@307	477	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	478	break;
jaroslav@151	479	case opc_dstore_2:
lubomir@307	480	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	481	break;
jaroslav@151	482	case opc_astore_3:
lubomir@307	483	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	484	break;
jaroslav@151	485	case opc_istore_3:
lubomir@307	486	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	487	break;
jaroslav@151	488	case opc_lstore_3:
lubomir@307	489	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	490	break;
jaroslav@151	491	case opc_fstore_3:
lubomir@307	492	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	493	break;
jaroslav@151	494	case opc_dstore_3:
lubomir@307	495	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	496	break;
jaroslav@151	497	case opc_iadd:
Martin@445	498	emit(out, "@1 = @1.add32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	499	break;
jaroslav@151	500	case opc_ladd:
lubomir@307	501	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	502	break;
jaroslav@151	503	case opc_fadd:
lubomir@307	504	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	505	break;
jaroslav@151	506	case opc_dadd:
lubomir@307	507	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	508	break;
jaroslav@151	509	case opc_isub:
Martin@445	510	emit(out, "@1 = @1.sub32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	511	break;
jaroslav@151	512	case opc_lsub:
lubomir@307	513	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	514	break;
jaroslav@151	515	case opc_fsub:
lubomir@307	516	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	517	break;
jaroslav@151	518	case opc_dsub:
lubomir@307	519	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	520	break;
jaroslav@151	521	case opc_imul:
Martin@445	522	emit(out, "@1 = @1.mul32(@2);", smapper.getI(1), smapper.popI());
lubomir@281	523	break;
jaroslav@151	524	case opc_lmul:
lubomir@307	525	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	526	break;
jaroslav@151	527	case opc_fmul:
lubomir@307	528	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	529	break;
jaroslav@151	530	case opc_dmul:
lubomir@307	531	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	532	break;
jaroslav@151	533	case opc_idiv:
lubomir@283	534	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	535	smapper.getI(1), smapper.popI());
lubomir@281	536	break;
jaroslav@151	537	case opc_ldiv:
lubomir@283	538	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	539	smapper.getL(1), smapper.popL());
jaroslav@3	540	break;
jaroslav@151	541	case opc_fdiv:
lubomir@307	542	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	543	break;
jaroslav@151	544	case opc_ddiv:
lubomir@307	545	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	546	break;
jaroslav@178	547	case opc_irem:
lubomir@307	548	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	549	break;
jaroslav@178	550	case opc_lrem:
lubomir@307	551	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	552	break;
jaroslav@178	553	case opc_frem:
lubomir@307	554	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	555	break;
jaroslav@178	556	case opc_drem:
lubomir@307	557	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	558	break;
jaroslav@151	559	case opc_iand:
lubomir@307	560	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	561	break;
jaroslav@151	562	case opc_land:
lubomir@307	563	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	564	break;
jaroslav@151	565	case opc_ior:
lubomir@307	566	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	567	break;
jaroslav@151	568	case opc_lor:
lubomir@307	569	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	570	break;
jaroslav@151	571	case opc_ixor:
lubomir@307	572	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	573	break;
jaroslav@151	574	case opc_lxor:
lubomir@307	575	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	576	break;
jaroslav@151	577	case opc_ineg:
lubomir@307	578	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	579	break;
jaroslav@151	580	case opc_lneg:
lubomir@307	581	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	582	break;
jaroslav@151	583	case opc_fneg:
lubomir@307	584	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	585	break;
jaroslav@151	586	case opc_dneg:
lubomir@307	587	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	588	break;
jaroslav@151	589	case opc_ishl:
lubomir@307	590	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	591	break;
jaroslav@151	592	case opc_lshl:
lubomir@307	593	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	594	break;
jaroslav@151	595	case opc_ishr:
lubomir@307	596	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	597	break;
jaroslav@151	598	case opc_lshr:
lubomir@307	599	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	600	break;
jaroslav@151	601	case opc_iushr:
lubomir@307	602	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	603	break;
jaroslav@151	604	case opc_lushr:
lubomir@307	605	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	606	break;
jaroslav@151	607	case opc_iinc: {
jtulach@128	608	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	609	final int incrBy = byteCodes[++i];
jaroslav@5	610	if (incrBy == 1) {
lubomir@307	611	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	612	} else {
lubomir@307	613	emit(out, "@1 += @2;",
lubomir@307	614	lmapper.getI(varIndx),
lubomir@283	615	Integer.toString(incrBy));
jaroslav@5	616	}
jaroslav@5	617	break;
jaroslav@5	618	}
jaroslav@151	619	case opc_return:
lubomir@283	620	emit(out, "return;");
jaroslav@10	621	break;
jaroslav@151	622	case opc_ireturn:
lubomir@307	623	emit(out, "return @1;", smapper.popI());
lubomir@281	624	break;
jaroslav@151	625	case opc_lreturn:
lubomir@307	626	emit(out, "return @1;", smapper.popL());
lubomir@281	627	break;
jaroslav@151	628	case opc_freturn:
lubomir@307	629	emit(out, "return @1;", smapper.popF());
lubomir@281	630	break;
jaroslav@151	631	case opc_dreturn:
lubomir@307	632	emit(out, "return @1;", smapper.popD());
lubomir@281	633	break;
jaroslav@151	634	case opc_areturn:
lubomir@307	635	emit(out, "return @1;", smapper.popA());
jaroslav@1	636	break;
jaroslav@151	637	case opc_i2l:
lubomir@307	638	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	639	break;
jaroslav@151	640	case opc_i2f:
lubomir@307	641	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	642	break;
jaroslav@151	643	case opc_i2d:
lubomir@307	644	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	645	break;
jaroslav@151	646	case opc_l2i:
lubomir@307	647	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	648	break;
jaroslav@3	649	// max int check?
jaroslav@151	650	case opc_l2f:
lubomir@307	651	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	652	break;
jaroslav@151	653	case opc_l2d:
lubomir@307	654	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	655	break;
jaroslav@151	656	case opc_f2d:
lubomir@307	657	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	658	break;
jaroslav@151	659	case opc_d2f:
lubomir@307	660	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	661	break;
jaroslav@151	662	case opc_f2i:
lubomir@283	663	emit(out, "@2 = Math.floor(@1);",
lubomir@307	664	smapper.popF(), smapper.pushI());
lubomir@281	665	break;
jaroslav@151	666	case opc_f2l:
lubomir@283	667	emit(out, "@2 = Math.floor(@1);",
lubomir@307	668	smapper.popF(), smapper.pushL());
lubomir@281	669	break;
jaroslav@151	670	case opc_d2i:
lubomir@283	671	emit(out, "@2 = Math.floor(@1);",
lubomir@307	672	smapper.popD(), smapper.pushI());
lubomir@281	673	break;
jaroslav@151	674	case opc_d2l:
lubomir@283	675	emit(out, "@2 = Math.floor(@1);",
lubomir@307	676	smapper.popD(), smapper.pushL());
jaroslav@3	677	break;
jaroslav@151	678	case opc_i2b:
Martin@445	679	emit(out, "@1 = @1.toInt8();", smapper.getI(0));
Martin@440	680	break;
jaroslav@151	681	case opc_i2c:
Martin@439	682	out.append("{ /* number conversion */ }");
Martin@439	683	break;
jaroslav@151	684	case opc_i2s:
Martin@445	685	emit(out, "@1 = @1.toInt16();", smapper.getI(0));
jaroslav@2	686	break;
jaroslav@151	687	case opc_aconst_null:
lubomir@307	688	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	689	break;
jaroslav@151	690	case opc_iconst_m1:
lubomir@307	691	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	692	break;
jaroslav@151	693	case opc_iconst_0:
lubomir@307	694	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	695	break;
jaroslav@151	696	case opc_dconst_0:
lubomir@307	697	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	698	break;
jaroslav@151	699	case opc_lconst_0:
lubomir@307	700	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	701	break;
jaroslav@151	702	case opc_fconst_0:
lubomir@307	703	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	704	break;
jaroslav@151	705	case opc_iconst_1:
lubomir@307	706	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	707	break;
jaroslav@151	708	case opc_lconst_1:
lubomir@307	709	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	710	break;
jaroslav@151	711	case opc_fconst_1:
lubomir@307	712	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	713	break;
jaroslav@151	714	case opc_dconst_1:
lubomir@307	715	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	716	break;
jaroslav@151	717	case opc_iconst_2:
lubomir@307	718	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	719	break;
jaroslav@151	720	case opc_fconst_2:
lubomir@307	721	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	722	break;
jaroslav@151	723	case opc_iconst_3:
lubomir@307	724	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	725	break;
jaroslav@151	726	case opc_iconst_4:
lubomir@307	727	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	728	break;
jaroslav@151	729	case opc_iconst_5:
lubomir@307	730	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	731	break;
jaroslav@151	732	case opc_ldc: {
jtulach@128	733	int indx = readByte(byteCodes, ++i);
jaroslav@151	734	String v = encodeConstant(indx);
lubomir@307	735	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	736	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20	737	break;
jaroslav@20	738	}
jaroslav@151	739	case opc_ldc_w:
jaroslav@151	740	case opc_ldc2_w: {
jaroslav@8	741	int indx = readIntArg(byteCodes, i);
jaroslav@8	742	i += 2;
jaroslav@151	743	String v = encodeConstant(indx);
lubomir@307	744	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	745	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8	746	break;
jaroslav@8	747	}
jaroslav@151	748	case opc_lcmp:
lubomir@283	749	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	750	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	751	break;
jaroslav@151	752	case opc_fcmpl:
jaroslav@151	753	case opc_fcmpg:
lubomir@283	754	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	755	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	756	break;
jaroslav@151	757	case opc_dcmpl:
lubomir@281	758	case opc_dcmpg:
lubomir@283	759	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	760	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	761	break;
jaroslav@151	762	case opc_if_acmpeq:
lubomir@307	763	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	764	"===");
jaroslav@104	765	break;
jaroslav@151	766	case opc_if_acmpne:
lubomir@307	767	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	768	"!=");
jaroslav@104	769	break;
lubomir@283	770	case opc_if_icmpeq:
lubomir@307	771	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	772	"==");
jaroslav@4	773	break;
jaroslav@151	774	case opc_ifeq: {
jaroslav@7	775	int indx = i + readIntArg(byteCodes, i);
lubomir@283	776	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	777	smapper.popI(), Integer.toString(indx));
jaroslav@7	778	i += 2;
jaroslav@7	779	break;
jaroslav@7	780	}
jaroslav@151	781	case opc_ifne: {
jaroslav@20	782	int indx = i + readIntArg(byteCodes, i);
lubomir@283	783	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	784	smapper.popI(), Integer.toString(indx));
jaroslav@20	785	i += 2;
jaroslav@20	786	break;
jaroslav@20	787	}
jaroslav@151	788	case opc_iflt: {
jaroslav@20	789	int indx = i + readIntArg(byteCodes, i);
lubomir@283	790	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	791	smapper.popI(), Integer.toString(indx));
jaroslav@20	792	i += 2;
jaroslav@20	793	break;
jaroslav@20	794	}
jaroslav@151	795	case opc_ifle: {
jaroslav@20	796	int indx = i + readIntArg(byteCodes, i);
lubomir@283	797	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	798	smapper.popI(), Integer.toString(indx));
jaroslav@20	799	i += 2;
jaroslav@20	800	break;
jaroslav@20	801	}
jaroslav@151	802	case opc_ifgt: {
jaroslav@20	803	int indx = i + readIntArg(byteCodes, i);
lubomir@283	804	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	805	smapper.popI(), Integer.toString(indx));
jaroslav@20	806	i += 2;
jaroslav@20	807	break;
jaroslav@20	808	}
jaroslav@151	809	case opc_ifge: {
jaroslav@20	810	int indx = i + readIntArg(byteCodes, i);
lubomir@283	811	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	812	smapper.popI(), Integer.toString(indx));
jaroslav@20	813	i += 2;
jaroslav@20	814	break;
jaroslav@20	815	}
jaroslav@151	816	case opc_ifnonnull: {
jaroslav@16	817	int indx = i + readIntArg(byteCodes, i);
lubomir@283	818	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	819	smapper.popA(), Integer.toString(indx));
jaroslav@16	820	i += 2;
jaroslav@16	821	break;
jaroslav@16	822	}
jaroslav@151	823	case opc_ifnull: {
jaroslav@16	824	int indx = i + readIntArg(byteCodes, i);
lubomir@283	825	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	826	smapper.popA(), Integer.toString(indx));
jaroslav@16	827	i += 2;
jaroslav@16	828	break;
jaroslav@16	829	}
jaroslav@151	830	case opc_if_icmpne:
lubomir@307	831	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	832	"!=");
jaroslav@4	833	break;
jaroslav@151	834	case opc_if_icmplt:
lubomir@307	835	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	836	"<");
jaroslav@4	837	break;
jaroslav@151	838	case opc_if_icmple:
lubomir@307	839	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	840	"<=");
jaroslav@4	841	break;
jaroslav@151	842	case opc_if_icmpgt:
lubomir@307	843	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	844	">");
jaroslav@4	845	break;
jaroslav@151	846	case opc_if_icmpge:
lubomir@307	847	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	848	">=");
jaroslav@4	849	break;
jaroslav@151	850	case opc_goto: {
jaroslav@5	851	int indx = i + readIntArg(byteCodes, i);
lubomir@283	852	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	853	i += 2;
jaroslav@5	854	break;
jaroslav@5	855	}
jaroslav@151	856	case opc_lookupswitch: {
jtulach@128	857	int table = i / 4 * 4 + 4;
jaroslav@115	858	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	859	table += 4;
jaroslav@115	860	int n = readInt4(byteCodes, table);
jaroslav@115	861	table += 4;
lubomir@307	862	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	863	while (n-- > 0) {
jaroslav@115	864	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	865	table += 4;
jaroslav@115	866	int offset = i + readInt4(byteCodes, table);
jaroslav@115	867	table += 4;
jaroslav@115	868	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	869	}
jaroslav@115	870	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	871	i = table - 1;
jaroslav@115	872	break;
jaroslav@115	873	}
jaroslav@151	874	case opc_tableswitch: {
jtulach@128	875	int table = i / 4 * 4 + 4;
jaroslav@115	876	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	877	table += 4;
jaroslav@115	878	int low = readInt4(byteCodes, table);
jaroslav@115	879	table += 4;
jaroslav@115	880	int high = readInt4(byteCodes, table);
jaroslav@115	881	table += 4;
lubomir@307	882	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	883	while (low <= high) {
jaroslav@115	884	int offset = i + readInt4(byteCodes, table);
jaroslav@115	885	table += 4;
jaroslav@115	886	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	887	low++;
jaroslav@115	888	}
jaroslav@115	889	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	890	i = table - 1;
jaroslav@115	891	break;
jaroslav@115	892	}
jaroslav@151	893	case opc_invokeinterface: {
lubomir@307	894	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	895	break;
jaroslav@46	896	}
jaroslav@151	897	case opc_invokevirtual:
lubomir@307	898	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	899	break;
jaroslav@151	900	case opc_invokespecial:
lubomir@307	901	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	902	break;
jaroslav@151	903	case opc_invokestatic:
lubomir@307	904	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	905	break;
jaroslav@151	906	case opc_new: {
jaroslav@8	907	int indx = readIntArg(byteCodes, i);
jaroslav@151	908	String ci = jc.getClassName(indx);
lubomir@283	909	emit(out, "@1 = new @2;",
lubomir@317	910	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	911	addReference(ci);
jaroslav@8	912	i += 2;
jaroslav@8	913	break;
jaroslav@8	914	}
lubomir@283	915	case opc_newarray:
jaroslav@448	916	int atype = readByte(byteCodes, ++i);
jaroslav@448	917	String jvmType;
jaroslav@448	918	switch (atype) {
jaroslav@448	919	case 4: jvmType = "[Z"; break;
jaroslav@448	920	case 5: jvmType = "[C"; break;
jaroslav@448	921	case 6: jvmType = "[F"; break;
jaroslav@448	922	case 7: jvmType = "[D"; break;
jaroslav@448	923	case 8: jvmType = "[B"; break;
jaroslav@448	924	case 9: jvmType = "[S"; break;
jaroslav@448	925	case 10: jvmType = "[I"; break;
jaroslav@448	926	case 11: jvmType = "[J"; break;
jaroslav@448	927	default: throw new IllegalStateException("Array type: " + atype);
jaroslav@448	928	}
jaroslav@479	929	emit(out, "@2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(true, '@3', @1);",
jaroslav@448	930	smapper.popI(), smapper.pushA(), jvmType);
jaroslav@21	931	break;
jaroslav@448	932	case opc_anewarray: {
jaroslav@448	933	int type = readIntArg(byteCodes, i);
jaroslav@448	934	i += 2;
jaroslav@448	935	String typeName = jc.getClassName(type);
jaroslav@448	936	if (typeName.startsWith("[")) {
jaroslav@448	937	typeName = "[" + typeName;
jaroslav@448	938	} else {
jaroslav@448	939	typeName = "[L" + typeName + ";";
jaroslav@448	940	}
jaroslav@479	941	emit(out, "@2 = Array.prototype.newArray__Ljava_lang_Object_2ZLjava_lang_String_2I(false, '@3', @1);",
jaroslav@448	942	smapper.popI(), smapper.pushA(), typeName);
jaroslav@21	943	break;
jaroslav@448	944	}
jaroslav@151	945	case opc_multianewarray: {
jaroslav@448	946	int type = readIntArg(byteCodes, i);
jtulach@128	947	i += 2;
jaroslav@448	948	String typeName = jc.getClassName(type);
jtulach@128	949	int dim = readByte(byteCodes, ++i);
lubomir@307	950	out.append("{ var a0 = new Array(").append(smapper.popI())
jaroslav@456	951	.append(").initWith('").append(typeName).append("', null);");
jtulach@128	952	for (int d = 1; d < dim; d++) {
jaroslav@453	953	typeName = typeName.substring(1);
lubomir@221	954	out.append("\n var l" + d).append(" = ")
lubomir@307	955	.append(smapper.popI()).append(';');
jtulach@128	956	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	957	append(" < a" + (d - 1)).
jtulach@128	958	append(".length; i" + d).append("++) {");
jtulach@128	959	out.append("\n var a" + d).
jaroslav@456	960	append (" = new Array(l" + d).append(").initWith('")
jaroslav@457	961	.append(typeName).append("', ")
jaroslav@457	962	.append(typeName.length() == 2 ? "0" : "null").append(");");
jtulach@128	963	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	964	append(";");
jtulach@128	965	}
jtulach@128	966	for (int d = 1; d < dim; d++) {
jtulach@128	967	out.append("\n }");
jtulach@128	968	}
lubomir@307	969	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	970	break;
jtulach@128	971	}
jaroslav@151	972	case opc_arraylength:
lubomir@307	973	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	974	break;
lubomir@283	975	case opc_lastore:
jaroslav@459	976	emit(out, "@3.at(@2, @1);",
lubomir@307	977	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	978	break;
lubomir@283	979	case opc_fastore:
jaroslav@459	980	emit(out, "@3.at(@2, @1);",
lubomir@307	981	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	982	break;
lubomir@283	983	case opc_dastore:
jaroslav@459	984	emit(out, "@3.at(@2, @1);",
lubomir@307	985	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	986	break;
lubomir@283	987	case opc_aastore:
jaroslav@459	988	emit(out, "@3.at(@2, @1);",
lubomir@307	989	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	990	break;
jaroslav@151	991	case opc_iastore:
jaroslav@151	992	case opc_bastore:
jaroslav@151	993	case opc_castore:
lubomir@283	994	case opc_sastore:
jaroslav@459	995	emit(out, "@3.at(@2, @1);",
lubomir@307	996	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	997	break;
lubomir@283	998	case opc_laload:
jaroslav@458	999	emit(out, "@3 = @2.at(@1);",
lubomir@307	1000	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	1001	break;
lubomir@283	1002	case opc_faload:
jaroslav@458	1003	emit(out, "@3 = @2.at(@1);",
lubomir@307	1004	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	1005	break;
lubomir@283	1006	case opc_daload:
jaroslav@458	1007	emit(out, "@3 = @2.at(@1);",
lubomir@307	1008	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	1009	break;
lubomir@283	1010	case opc_aaload:
jaroslav@458	1011	emit(out, "@3 = @2.at(@1);",
lubomir@307	1012	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	1013	break;
jaroslav@272	1014	case opc_iaload:
jaroslav@272	1015	case opc_baload:
jaroslav@272	1016	case opc_caload:
lubomir@283	1017	case opc_saload:
jaroslav@458	1018	emit(out, "@3 = @2.at(@1);",
lubomir@307	1019	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	1020	break;
lubomir@221	1021	case opc_pop:
jaroslav@272	1022	case opc_pop2:
lubomir@307	1023	smapper.pop(1);
jaroslav@399	1024	debug("/* pop */");
jaroslav@272	1025	break;
lubomir@281	1026	case opc_dup: {
lubomir@307	1027	final Variable v = smapper.get(0);
lubomir@307	1028	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	1029	break;
jaroslav@21	1030	}
lubomir@281	1031	case opc_dup2: {
lubomir@307	1032	if (smapper.get(0).isCategory2()) {
lubomir@307	1033	final Variable v = smapper.get(0);
lubomir@307	1034	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	1035	} else {
lubomir@307	1036	final Variable v1 = smapper.get(0);
lubomir@307	1037	final Variable v2 = smapper.get(1);
lubomir@283	1038	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	1039	smapper.pushT(v2.getType()), v2,
lubomir@307	1040	smapper.pushT(v1.getType()), v1);
lubomir@281	1041	}
jaroslav@21	1042	break;
jaroslav@21	1043	}
lubomir@281	1044	case opc_dup_x1: {
lubomir@307	1045	final Variable vi1 = smapper.pop();
lubomir@307	1046	final Variable vi2 = smapper.pop();
lubomir@307	1047	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1048	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1049	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1050
lubomir@283	1051	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1052	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1053	break;
lubomir@281	1054	}
lubomir@281	1055	case opc_dup_x2: {
lubomir@307	1056	if (smapper.get(1).isCategory2()) {
lubomir@307	1057	final Variable vi1 = smapper.pop();
lubomir@307	1058	final Variable vi2 = smapper.pop();
lubomir@307	1059	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1060	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1061	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1062
lubomir@283	1063	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1064	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1065	} else {
lubomir@307	1066	final Variable vi1 = smapper.pop();
lubomir@307	1067	final Variable vi2 = smapper.pop();
lubomir@307	1068	final Variable vi3 = smapper.pop();
lubomir@307	1069	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1070	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1071	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1072	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1073
lubomir@283	1074	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283	1075	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1076	}
jaroslav@8	1077	break;
lubomir@281	1078	}
jaroslav@151	1079	case opc_bipush:
lubomir@283	1080	emit(out, "@1 = @2;",
lubomir@307	1081	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1082	break;
jaroslav@151	1083	case opc_sipush:
lubomir@283	1084	emit(out, "@1 = @2;",
lubomir@307	1085	smapper.pushI(),
lubomir@283	1086	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1087	i += 2;
jaroslav@31	1088	break;
jaroslav@151	1089	case opc_getfield: {
jaroslav@8	1090	int indx = readIntArg(byteCodes, i);
jaroslav@151	1091	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1092	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1093	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1094	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1095	i += 2;
jaroslav@8	1096	break;
jaroslav@8	1097	}
jaroslav@151	1098	case opc_getstatic: {
jaroslav@9	1099	int indx = readIntArg(byteCodes, i);
jaroslav@151	1100	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1101	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1102	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1103	smapper.pushT(type),
lubomir@317	1104	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1105	i += 2;
jaroslav@151	1106	addReference(fi[0]);
jaroslav@9	1107	break;
jaroslav@9	1108	}
jaroslav@151	1109	case opc_putfield: {
jaroslav@10	1110	int indx = readIntArg(byteCodes, i);
jaroslav@151	1111	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1112	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1113	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1114	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1115	i += 2;
jaroslav@10	1116	break;
jaroslav@10	1117	}
lubomir@281	1118	case opc_putstatic: {
lubomir@281	1119	int indx = readIntArg(byteCodes, i);
lubomir@281	1120	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1121	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1122	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1123	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1124	smapper.popT(type));
lubomir@281	1125	i += 2;
lubomir@281	1126	addReference(fi[0]);
lubomir@281	1127	break;
lubomir@281	1128	}
jaroslav@151	1129	case opc_checkcast: {
jaroslav@30	1130	int indx = readIntArg(byteCodes, i);
jaroslav@151	1131	final String type = jc.getClassName(indx);
jaroslav@42	1132	if (!type.startsWith("[")) {
jaroslav@42	1133	// no way to check arrays right now
lubomir@283	1134	// XXX proper exception
lubomir@317	1135	emit(out,
lubomir@317	1136	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1137	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1138	}
jaroslav@30	1139	i += 2;
jaroslav@30	1140	break;
jaroslav@30	1141	}
jaroslav@151	1142	case opc_instanceof: {
jaroslav@17	1143	int indx = readIntArg(byteCodes, i);
jaroslav@151	1144	final String type = jc.getClassName(indx);
lubomir@283	1145	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1146	smapper.popA(), smapper.pushI(),
lubomir@317	1147	type.replace('/', '_'));
jaroslav@17	1148	i += 2;
jaroslav@30	1149	break;
jaroslav@17	1150	}
jaroslav@151	1151	case opc_athrow: {
lubomir@307	1152	final Variable v = smapper.popA();
lubomir@307	1153	smapper.clear();
lubomir@281	1154
lubomir@283	1155	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1156	smapper.pushA(), v);
jaroslav@104	1157	break;
jaroslav@104	1158	}
lubomir@221	1159
lubomir@221	1160	case opc_monitorenter: {
lubomir@221	1161	out.append("/* monitor enter */");
lubomir@307	1162	smapper.popA();
lubomir@221	1163	break;
lubomir@221	1164	}
lubomir@221	1165
lubomir@221	1166	case opc_monitorexit: {
lubomir@221	1167	out.append("/* monitor exit */");
lubomir@307	1168	smapper.popA();
lubomir@221	1169	break;
lubomir@221	1170	}
lubomir@221	1171
jaroslav@104	1172	default: {
lubomir@283	1173	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1174	Integer.toString(c));
jaroslav@104	1175	}
jaroslav@0	1176	}
jaroslav@399	1177	if (debug(" //")) {
jaroslav@399	1178	for (int j = prev; j <= i; j++) {
jaroslav@399	1179	out.append(" ");
jaroslav@399	1180	final int cc = readByte(byteCodes, j);
jaroslav@399	1181	out.append(Integer.toString(cc));
tzezula@285	1182	}
jaroslav@0	1183	}
tzezula@285	1184	out.append("\n");
jaroslav@0	1185	}
jaroslav@398	1186	if (previousTrap != null) {
jaroslav@398	1187	generateCatch(previousTrap);
jaroslav@398	1188	}
jaroslav@10	1189	out.append(" }\n");
lubomir@307	1190	out.append("};");
jaroslav@4	1191	}
jaroslav@4	1192
lubomir@281	1193	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1194	final Variable v2, final Variable v1,
lubomir@281	1195	final String test) throws IOException {
jaroslav@4	1196	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1197	out.append("if (").append(v1)
lubomir@221	1198	.append(' ').append(test).append(' ')
lubomir@281	1199	.append(v2).append(") { gt = " + indx)
lubomir@221	1200	.append("; continue; }");
jaroslav@4	1201	return i + 2;
jaroslav@4	1202	}
jaroslav@4	1203
jaroslav@4	1204	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1205	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1206	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1207	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1208	}
jaroslav@115	1209	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1210	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1211	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1212	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1213	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1214	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1215	}
jtulach@128	1216	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1217	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1218	}
jaroslav@4	1219
lubomir@281	1220	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1221	int i = 0;
jaroslav@4	1222	Boolean count = null;
jaroslav@32	1223	boolean array = false;
jaroslav@248	1224	sig.append("__");
jaroslav@10	1225	int firstPos = sig.length();
jaroslav@4	1226	while (i < descriptor.length()) {
jaroslav@4	1227	char ch = descriptor.charAt(i++);
jaroslav@4	1228	switch (ch) {
jaroslav@4	1229	case '(':
jaroslav@4	1230	count = true;
jaroslav@4	1231	continue;
jaroslav@4	1232	case ')':
jaroslav@4	1233	count = false;
jaroslav@4	1234	continue;
jaroslav@4	1235	case 'B':
jaroslav@4	1236	case 'C':
jaroslav@4	1237	case 'D':
jaroslav@4	1238	case 'F':
jaroslav@4	1239	case 'I':
jaroslav@4	1240	case 'J':
jaroslav@4	1241	case 'S':
jaroslav@4	1242	case 'Z':
jaroslav@4	1243	if (count) {
jaroslav@32	1244	if (array) {
jaroslav@248	1245	sig.append("_3");
jaroslav@32	1246	}
jaroslav@4	1247	sig.append(ch);
jtulach@156	1248	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1249	cnt.append('1');
jtulach@156	1250	} else {
jtulach@156	1251	cnt.append('0');
jtulach@156	1252	}
jaroslav@4	1253	} else {
jaroslav@10	1254	sig.insert(firstPos, ch);
jaroslav@32	1255	if (array) {
lubomir@281	1256	returnType[0] = '[';
jaroslav@248	1257	sig.insert(firstPos, "_3");
lubomir@281	1258	} else {
lubomir@281	1259	returnType[0] = ch;
jaroslav@32	1260	}
jaroslav@4	1261	}
jaroslav@93	1262	array = false;
jaroslav@4	1263	continue;
jaroslav@4	1264	case 'V':
jaroslav@4	1265	assert !count;
lubomir@281	1266	returnType[0] = 'V';
jaroslav@10	1267	sig.insert(firstPos, 'V');
jaroslav@4	1268	continue;
jaroslav@4	1269	case 'L':
jaroslav@16	1270	int next = descriptor.indexOf(';', i);
jaroslav@248	1271	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1272	if (count) {
jaroslav@32	1273	if (array) {
jaroslav@248	1274	sig.append("_3");
jaroslav@32	1275	}
jaroslav@248	1276	sig.append(realSig);
jtulach@156	1277	cnt.append('0');
jaroslav@4	1278	} else {
jaroslav@248	1279	sig.insert(firstPos, realSig);
jaroslav@32	1280	if (array) {
jaroslav@248	1281	sig.insert(firstPos, "_3");
jaroslav@32	1282	}
lubomir@281	1283	returnType[0] = 'L';
jaroslav@4	1284	}
jaroslav@16	1285	i = next + 1;
lubomir@407	1286	array = false;
jaroslav@4	1287	continue;
jaroslav@4	1288	case '[':
jaroslav@248	1289	array = true;
jaroslav@4	1290	continue;
jaroslav@4	1291	default:
jaroslav@248	1292	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1293	}
jaroslav@4	1294	}
jaroslav@0	1295	}
jaroslav@248	1296
jaroslav@248	1297	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1298	StringBuilder sb = new StringBuilder();
jaroslav@248	1299	for (int i = first; i < last; i++) {
jaroslav@248	1300	final char ch = txt.charAt(i);
jaroslav@248	1301	switch (ch) {
jaroslav@248	1302	case '/': sb.append('_'); break;
jaroslav@248	1303	case '_': sb.append("_1"); break;
jaroslav@248	1304	case ';': sb.append("_2"); break;
jaroslav@248	1305	case '[': sb.append("_3"); break;
jaroslav@248	1306	default: sb.append(ch); break;
jaroslav@248	1307	}
jaroslav@248	1308	}
jaroslav@248	1309	return sb.toString();
jaroslav@248	1310	}
jaroslav@9	1311
jaroslav@248	1312	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1313	StringBuilder name = new StringBuilder();
jaroslav@10	1314	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1315	name.append("cons"); // NOI18N
jaroslav@19	1316	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1317	name.append("class"); // NOI18N
jaroslav@10	1318	} else {
jaroslav@42	1319	name.append(m.getName());
jaroslav@10	1320	}
jaroslav@42	1321
lubomir@282	1322	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1323	return name.toString();
jaroslav@10	1324	}
jaroslav@10	1325
lubomir@282	1326	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1327	StringBuilder name = new StringBuilder();
jaroslav@151	1328	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1329	String nm= mi[1];
jaroslav@151	1330	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1331	name.append("cons"); // NOI18N
jaroslav@10	1332	} else {
jaroslav@151	1333	name.append(nm);
jaroslav@10	1334	}
lubomir@282	1335	countArgs(descr, returnType, name, cnt);
jaroslav@10	1336	return name.toString();
jaroslav@10	1337	}
jaroslav@10	1338
lubomir@307	1339	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1340	throws IOException {
jaroslav@10	1341	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1342	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1343	char[] returnType = { 'V' };
jtulach@156	1344	StringBuilder cnt = new StringBuilder();
lubomir@281	1345	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1346
lubomir@221	1347	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1348	final Variable[] vars = new Variable[numArguments];
lubomir@221	1349
lubomir@281	1350	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1351	vars[j] = mapper.pop();
jaroslav@11	1352	}
lubomir@281	1353
lubomir@281	1354	if (returnType[0] != 'V') {
lubomir@307	1355	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1356	.append(" = ");
jaroslav@10	1357	}
lubomir@221	1358
jaroslav@151	1359	final String in = mi[0];
jaroslav@274	1360	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1361	out.append("(false).");
jaroslav@397	1362	if (mn.startsWith("cons_")) {
jaroslav@397	1363	out.append("constructor.");
jaroslav@397	1364	}
jaroslav@10	1365	out.append(mn);
jaroslav@442	1366	if (isStatic) {
jaroslav@442	1367	out.append('(');
jaroslav@442	1368	} else {
jaroslav@442	1369	out.append(".call(");
jaroslav@442	1370	}
lubomir@221	1371	if (numArguments > 0) {
lubomir@281	1372	out.append(vars[0]);
lubomir@281	1373	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1374	out.append(", ");
lubomir@281	1375	out.append(vars[j]);
lubomir@221	1376	}
jaroslav@10	1377	}
lubomir@221	1378	out.append(");");
jaroslav@10	1379	i += 2;
jaroslav@18	1380	addReference(in);
jaroslav@10	1381	return i;
jaroslav@10	1382	}
lubomir@307	1383	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1384	throws IOException {
jaroslav@12	1385	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1386	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1387	char[] returnType = { 'V' };
jtulach@156	1388	StringBuilder cnt = new StringBuilder();
lubomir@281	1389	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1390
lubomir@281	1391	final int numArguments = cnt.length() + 1;
lubomir@281	1392	final Variable[] vars = new Variable[numArguments];
lubomir@221	1393
lubomir@281	1394	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1395	vars[j] = mapper.pop();
jaroslav@12	1396	}
lubomir@221	1397
lubomir@281	1398	if (returnType[0] != 'V') {
lubomir@307	1399	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1400	.append(" = ");
jaroslav@12	1401	}
lubomir@281	1402
lubomir@281	1403	out.append(vars[0]).append('.');
jaroslav@12	1404	out.append(mn);
jaroslav@12	1405	out.append('(');
jaroslav@442	1406	String sep = "";
lubomir@281	1407	for (int j = 1; j < numArguments; ++j) {
jaroslav@442	1408	out.append(sep);
lubomir@281	1409	out.append(vars[j]);
jaroslav@442	1410	sep = ", ";
jaroslav@12	1411	}
lubomir@221	1412	out.append(");");
jaroslav@12	1413	i += 2;
jaroslav@12	1414	return i;
jaroslav@12	1415	}
lubomir@221	1416
jaroslav@103	1417	private void addReference(String cn) throws IOException {
jtulach@162	1418	if (requireReference(cn)) {
jaroslav@399	1419	debug(" /* needs " + cn + " */");
jaroslav@18	1420	}
jaroslav@18	1421	}
jaroslav@16	1422
jaroslav@33	1423	private void outType(String d, StringBuilder out) {
jaroslav@33	1424	int arr = 0;
jaroslav@33	1425	while (d.charAt(0) == '[') {
jaroslav@33	1426	out.append('A');
jaroslav@33	1427	d = d.substring(1);
jaroslav@33	1428	}
jaroslav@16	1429	if (d.charAt(0) == 'L') {
jaroslav@16	1430	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1431	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1432	} else {
jaroslav@16	1433	out.append(d);
jaroslav@16	1434	}
jaroslav@16	1435	}
jaroslav@21	1436
jaroslav@230	1437	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1438	String[] classRef = { null };
jaroslav@230	1439	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1440	if (classRef[0] != null) {
jaroslav@230	1441	addReference(classRef[0]);
jaroslav@274	1442	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1443	}
jaroslav@151	1444	return s;
jaroslav@21	1445	}
jaroslav@32	1446
jaroslav@266	1447	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1448	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1449	if (arr == null) {
jaroslav@266	1450	return null;
jaroslav@152	1451	}
jaroslav@200	1452	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1453	class P extends AnnotationParser {
jaroslav@237	1454	public P() {
jaroslav@237	1455	super(false);
jaroslav@237	1456	}
jaroslav@237	1457
jaroslav@152	1458	int cnt;
jaroslav@152	1459	String[] args = new String[30];
jaroslav@152	1460	String body;
jaroslav@94	1461
jaroslav@152	1462	@Override
jaroslav@236	1463	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1464	if (type.equals(jvmType)) {
jaroslav@152	1465	if ("body".equals(attr)) {
jaroslav@152	1466	body = value;
jaroslav@152	1467	} else if ("args".equals(attr)) {
jaroslav@152	1468	args[cnt++] = value;
jaroslav@152	1469	} else {
jaroslav@152	1470	throw new IllegalArgumentException(attr);
jaroslav@152	1471	}
jaroslav@152	1472	}
jaroslav@94	1473	}
jaroslav@94	1474	}
jaroslav@152	1475	P p = new P();
jaroslav@152	1476	p.parse(arr, jc);
jaroslav@152	1477	if (p.body == null) {
jaroslav@266	1478	return null;
jaroslav@152	1479	}
jtulach@156	1480	StringBuilder cnt = new StringBuilder();
jaroslav@266	1481	final String mn = findMethodName(m, cnt);
jaroslav@266	1482	out.append(prefix).append(mn);
jaroslav@203	1483	out.append(" = function(");
jaroslav@442	1484	String space = "";
jaroslav@443	1485	int index = 0;
jtulach@156	1486	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1487	out.append(space);
jaroslav@316	1488	space = outputArg(out, p.args, index);
jaroslav@152	1489	index++;
jaroslav@152	1490	}
jaroslav@152	1491	out.append(") {").append("\n");
jaroslav@152	1492	out.append(p.body);
jaroslav@152	1493	out.append("\n}\n");
jaroslav@266	1494	return mn;
jaroslav@151	1495	}
jaroslav@151	1496	private static String className(ClassData jc) {
jaroslav@151	1497	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1498	return jc.getClassName().replace('/', '_');
jaroslav@94	1499	}
jaroslav@152	1500
jaroslav@152	1501	private static String[] findAnnotation(
jaroslav@152	1502	byte[] arr, ClassData cd, final String className,
jaroslav@152	1503	final String... attrNames
jaroslav@152	1504	) throws IOException {
jaroslav@152	1505	if (arr == null) {
jaroslav@152	1506	return null;
jaroslav@152	1507	}
jaroslav@152	1508	final String[] values = new String[attrNames.length];
jaroslav@152	1509	final boolean[] found = { false };
jaroslav@152	1510	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1511	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1512	@Override
jaroslav@236	1513	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1514	if (type.equals(jvmType)) {
jaroslav@152	1515	found[0] = true;
jaroslav@152	1516	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1517	if (attrNames[i].equals(attr)) {
jaroslav@152	1518	values[i] = value;
jaroslav@152	1519	}
jaroslav@152	1520	}
jaroslav@152	1521	}
jaroslav@152	1522	}
jaroslav@152	1523
jaroslav@152	1524	};
jaroslav@152	1525	ap.parse(arr, cd);
jaroslav@152	1526	return found[0] ? values : null;
jaroslav@152	1527	}
jaroslav@173	1528
jaroslav@173	1529	private CharSequence initField(FieldData v) {
jaroslav@173	1530	final String is = v.getInternalSig();
jaroslav@173	1531	if (is.length() == 1) {
jaroslav@173	1532	switch (is.charAt(0)) {
jaroslav@173	1533	case 'S':
jaroslav@173	1534	case 'J':
jaroslav@173	1535	case 'B':
jaroslav@173	1536	case 'Z':
jaroslav@173	1537	case 'C':
jaroslav@173	1538	case 'I': return " = 0;";
jaroslav@173	1539	case 'F':
jaroslav@180	1540	case 'D': return " = 0.0;";
jaroslav@173	1541	default:
jaroslav@173	1542	throw new IllegalStateException(is);
jaroslav@173	1543	}
jaroslav@173	1544	}
jaroslav@173	1545	return " = null;";
jaroslav@173	1546	}
jaroslav@235	1547
jaroslav@235	1548	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1549	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1550	int anno;
jaroslav@235	1551	int cnt;
jaroslav@235	1552
jaroslav@235	1553	@Override
jaroslav@235	1554	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1555	if (anno++ > 0) {
jaroslav@237	1556	out.append(",");
jaroslav@237	1557	}
jaroslav@235	1558	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1559	cnt = 0;
jaroslav@235	1560	}
jaroslav@235	1561
jaroslav@235	1562	@Override
jaroslav@235	1563	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1564	out.append("\n}\n");
jaroslav@235	1565	}
jaroslav@235	1566
jaroslav@235	1567	@Override
jaroslav@236	1568	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1569	throws IOException {
jaroslav@266	1570	if (attr == null) {
jaroslav@266	1571	return;
jaroslav@266	1572	}
jaroslav@235	1573	if (cnt++ > 0) {
jaroslav@235	1574	out.append(",\n");
jaroslav@235	1575	}
jaroslav@250	1576	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1577	}
jaroslav@235	1578	};
jaroslav@235	1579	ap.parse(data, cd);
jaroslav@235	1580	}
jaroslav@316	1581
jaroslav@316	1582	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1583	final String name = args[indx];
jaroslav@316	1584	if (name == null) {
jaroslav@316	1585	return "";
jaroslav@316	1586	}
jaroslav@316	1587	if (name.contains(",")) {
jaroslav@316	1588	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1589	}
jaroslav@316	1590	out.append(name);
jaroslav@316	1591	return ",";
jaroslav@316	1592	}
lubomir@317	1593
lubomir@283	1594	private static void emit(final Appendable out,
lubomir@283	1595	final String format,
lubomir@283	1596	final CharSequence... params) throws IOException {
lubomir@283	1597	final int length = format.length();
lubomir@283	1598
lubomir@283	1599	int processed = 0;
lubomir@283	1600	int paramOffset = format.indexOf('@');
lubomir@283	1601	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1602	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1603	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1604	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1605
lubomir@283	1606	out.append(format, processed, paramOffset);
lubomir@283	1607	out.append(params[paramIndex]);
lubomir@283	1608
lubomir@283	1609	++paramOffset;
lubomir@283	1610	processed = paramOffset + 1;
lubomir@283	1611	}
lubomir@283	1612
lubomir@283	1613	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1614	}
lubomir@283	1615
lubomir@283	1616	out.append(format, processed, length);
lubomir@283	1617	}
jaroslav@398	1618
jaroslav@398	1619	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1620	out.append("} catch (e) {\n");
jaroslav@401	1621	int finallyPC = -1;
jaroslav@398	1622	for (TrapData e : traps) {
jaroslav@398	1623	if (e == null) {
jaroslav@398	1624	break;
jaroslav@398	1625	}
jaroslav@398	1626	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1627	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1628	addReference(classInternalName);
jaroslav@423	1629	if ("java/lang/Throwable".equals(classInternalName)) {
jaroslav@423	1630	out.append("if (e.$instOf_java_lang_Throwable) {");
jaroslav@423	1631	out.append(" stA0 = e;");
jaroslav@423	1632	out.append("} else {");
jaroslav@423	1633	out.append(" stA0 = vm.java_lang_Throwable(true);");
jaroslav@442	1634	out.append(" vm.java_lang_Throwable.cons__VLjava_lang_String_2.call(stA0, e.toString());");
jaroslav@423	1635	out.append("}");
jaroslav@423	1636	out.append("gt=" + e.handler_pc + "; continue;");
jaroslav@423	1637	} else {
jaroslav@423	1638	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@423	1639	out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@423	1640	out.append("}\n");
jaroslav@423	1641	}
jaroslav@398	1642	} else {
jaroslav@401	1643	finallyPC = e.handler_pc;
jaroslav@398	1644	}
jaroslav@398	1645	}
jaroslav@401	1646	if (finallyPC == -1) {
jaroslav@401	1647	out.append("throw e;");
jaroslav@401	1648	} else {
jaroslav@401	1649	out.append("gt=" + finallyPC + "; stA0 = e; continue;");
jaroslav@401	1650	}
jaroslav@400	1651	out.append("\n}");
jaroslav@398	1652	}
jaroslav@0	1653	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Fri, 18 Jan 2013 17:04:16 +0100
branch	ArrayReflect
changeset 479	34931e381886
parent 459	a2871a3fd4c5
child 481	472209ab1112
permissions	-rw-r--r--