hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@2670f519a46d (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 ")
lubomir@307	258	.append(m.getInternalSig()).append("';\n");
lubomir@307	259	out.append("};");
lubomir@307	260	return;
lubomir@307	261	}
lubomir@307	262
lubomir@307	263	final StackMapper smapper = new StackMapper();
lubomir@307	264
lubomir@307	265	final int maxLocals = m.getMaxLocals();
lubomir@307	266	if (maxLocals > 0) {
lubomir@307	267	// TODO: generate only used local variables
lubomir@307	268	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@307	269	out.append("\n var ").append(Variable.getLocalVariable(j, 0));
lubomir@307	270	for (int i = 1; i < maxLocals; ++i) {
lubomir@307	271	out.append(", ");
lubomir@307	272	out.append(Variable.getLocalVariable(j, i));
lubomir@307	273	}
lubomir@307	274	out.append(';');
lubomir@307	275	}
lubomir@307	276	}
lubomir@221	277
lubomir@221	278	// maxStack includes two stack positions for every pushed long / double
lubomir@221	279	// so this might generate more stack variables than we need
lubomir@221	280	final int maxStack = m.getMaxStack();
lubomir@221	281	if (maxStack > 0) {
lubomir@281	282	// TODO: generate only used stack variables
lubomir@307	283	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281	284	out.append("\n var ").append(Variable.getStackVariable(j, 0));
lubomir@281	285	for (int i = 1; i < maxStack; ++i) {
lubomir@281	286	out.append(", ");
lubomir@281	287	out.append(Variable.getStackVariable(j, i));
lubomir@281	288	}
lubomir@281	289	out.append(';');
lubomir@221	290	}
lubomir@221	291	}
lubomir@221	292
lubomir@221	293	int lastStackFrame = -1;
jaroslav@398	294	TrapData[] previousTrap = null;
jaroslav@398	295
jaroslav@10	296	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	297	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	298	int prev = i;
lubomir@221	299	stackMapIterator.advanceTo(i);
jaroslav@398	300	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	301	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	302	if (previousTrap != null) {
jaroslav@398	303	generateCatch(previousTrap);
jaroslav@398	304	previousTrap = null;
jaroslav@398	305	}
jaroslav@398	306	}
lubomir@221	307	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	308	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	309	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	310	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	311	out.append(" case " + i).append(": ");
jaroslav@398	312	changeInCatch = true;
lubomir@221	313	} else {
jaroslav@399	314	debug(" /* " + i + " */ ");
lubomir@221	315	}
jaroslav@398	316	if (changeInCatch && trap.useTry()) {
tzezula@285	317	out.append("try {");
jaroslav@398	318	previousTrap = trap.current();
tzezula@285	319	}
jtulach@128	320	final int c = readByte(byteCodes, i);
jaroslav@0	321	switch (c) {
jaroslav@151	322	case opc_aload_0:
lubomir@307	323	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	324	break;
jaroslav@151	325	case opc_iload_0:
lubomir@307	326	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	327	break;
jaroslav@151	328	case opc_lload_0:
lubomir@307	329	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	330	break;
jaroslav@151	331	case opc_fload_0:
lubomir@307	332	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	333	break;
jaroslav@151	334	case opc_dload_0:
lubomir@307	335	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	336	break;
jaroslav@151	337	case opc_aload_1:
lubomir@307	338	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	339	break;
jaroslav@151	340	case opc_iload_1:
lubomir@307	341	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	342	break;
jaroslav@151	343	case opc_lload_1:
lubomir@307	344	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	345	break;
jaroslav@151	346	case opc_fload_1:
lubomir@307	347	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	348	break;
jaroslav@151	349	case opc_dload_1:
lubomir@307	350	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	351	break;
jaroslav@151	352	case opc_aload_2:
lubomir@307	353	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	354	break;
jaroslav@151	355	case opc_iload_2:
lubomir@307	356	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	357	break;
jaroslav@151	358	case opc_lload_2:
lubomir@307	359	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	360	break;
jaroslav@151	361	case opc_fload_2:
lubomir@307	362	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	363	break;
jaroslav@151	364	case opc_dload_2:
lubomir@307	365	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	366	break;
jaroslav@151	367	case opc_aload_3:
lubomir@307	368	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	369	break;
jaroslav@151	370	case opc_iload_3:
lubomir@307	371	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	372	break;
jaroslav@151	373	case opc_lload_3:
lubomir@307	374	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	375	break;
jaroslav@151	376	case opc_fload_3:
lubomir@307	377	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	378	break;
jaroslav@151	379	case opc_dload_3:
lubomir@307	380	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	381	break;
lubomir@281	382	case opc_iload: {
lubomir@281	383	final int indx = readByte(byteCodes, ++i);
lubomir@307	384	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	385	break;
lubomir@281	386	}
lubomir@281	387	case opc_lload: {
lubomir@281	388	final int indx = readByte(byteCodes, ++i);
lubomir@307	389	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	390	break;
lubomir@281	391	}
lubomir@281	392	case opc_fload: {
lubomir@281	393	final int indx = readByte(byteCodes, ++i);
lubomir@307	394	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	395	break;
lubomir@281	396	}
lubomir@281	397	case opc_dload: {
lubomir@281	398	final int indx = readByte(byteCodes, ++i);
lubomir@307	399	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	400	break;
lubomir@281	401	}
jaroslav@151	402	case opc_aload: {
jtulach@128	403	final int indx = readByte(byteCodes, ++i);
lubomir@307	404	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	405	break;
jaroslav@3	406	}
lubomir@281	407	case opc_istore: {
lubomir@281	408	final int indx = readByte(byteCodes, ++i);
lubomir@307	409	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	410	break;
lubomir@281	411	}
lubomir@281	412	case opc_lstore: {
lubomir@281	413	final int indx = readByte(byteCodes, ++i);
lubomir@307	414	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	415	break;
lubomir@281	416	}
lubomir@281	417	case opc_fstore: {
lubomir@281	418	final int indx = readByte(byteCodes, ++i);
lubomir@307	419	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	420	break;
lubomir@281	421	}
lubomir@281	422	case opc_dstore: {
lubomir@281	423	final int indx = readByte(byteCodes, ++i);
lubomir@307	424	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	425	break;
lubomir@281	426	}
jaroslav@151	427	case opc_astore: {
jtulach@128	428	final int indx = readByte(byteCodes, ++i);
lubomir@307	429	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	430	break;
jaroslav@31	431	}
jaroslav@151	432	case opc_astore_0:
lubomir@307	433	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	434	break;
jaroslav@151	435	case opc_istore_0:
lubomir@307	436	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	437	break;
jaroslav@151	438	case opc_lstore_0:
lubomir@307	439	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	440	break;
jaroslav@151	441	case opc_fstore_0:
lubomir@307	442	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	443	break;
jaroslav@151	444	case opc_dstore_0:
lubomir@307	445	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	446	break;
jaroslav@151	447	case opc_astore_1:
lubomir@307	448	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	449	break;
jaroslav@151	450	case opc_istore_1:
lubomir@307	451	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	452	break;
jaroslav@151	453	case opc_lstore_1:
lubomir@307	454	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	455	break;
jaroslav@151	456	case opc_fstore_1:
lubomir@307	457	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	458	break;
jaroslav@151	459	case opc_dstore_1:
lubomir@307	460	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	461	break;
jaroslav@151	462	case opc_astore_2:
lubomir@307	463	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	464	break;
jaroslav@151	465	case opc_istore_2:
lubomir@307	466	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	467	break;
jaroslav@151	468	case opc_lstore_2:
lubomir@307	469	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	470	break;
jaroslav@151	471	case opc_fstore_2:
lubomir@307	472	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	473	break;
jaroslav@151	474	case opc_dstore_2:
lubomir@307	475	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	476	break;
jaroslav@151	477	case opc_astore_3:
lubomir@307	478	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	479	break;
jaroslav@151	480	case opc_istore_3:
lubomir@307	481	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	482	break;
jaroslav@151	483	case opc_lstore_3:
lubomir@307	484	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	485	break;
jaroslav@151	486	case opc_fstore_3:
lubomir@307	487	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	488	break;
jaroslav@151	489	case opc_dstore_3:
lubomir@307	490	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	491	break;
jaroslav@151	492	case opc_iadd:
lubomir@307	493	emit(out, "@1 += @2;", smapper.getI(1), smapper.popI());
lubomir@281	494	break;
jaroslav@151	495	case opc_ladd:
lubomir@307	496	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	497	break;
jaroslav@151	498	case opc_fadd:
lubomir@307	499	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	500	break;
jaroslav@151	501	case opc_dadd:
lubomir@307	502	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	503	break;
jaroslav@151	504	case opc_isub:
lubomir@307	505	emit(out, "@1 -= @2;", smapper.getI(1), smapper.popI());
lubomir@281	506	break;
jaroslav@151	507	case opc_lsub:
lubomir@307	508	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	509	break;
jaroslav@151	510	case opc_fsub:
lubomir@307	511	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	512	break;
jaroslav@151	513	case opc_dsub:
lubomir@307	514	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	515	break;
jaroslav@151	516	case opc_imul:
lubomir@307	517	emit(out, "@1 *= @2;", smapper.getI(1), smapper.popI());
lubomir@281	518	break;
jaroslav@151	519	case opc_lmul:
lubomir@307	520	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	521	break;
jaroslav@151	522	case opc_fmul:
lubomir@307	523	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	524	break;
jaroslav@151	525	case opc_dmul:
lubomir@307	526	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	527	break;
jaroslav@151	528	case opc_idiv:
lubomir@283	529	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	530	smapper.getI(1), smapper.popI());
lubomir@281	531	break;
jaroslav@151	532	case opc_ldiv:
lubomir@283	533	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	534	smapper.getL(1), smapper.popL());
jaroslav@3	535	break;
jaroslav@151	536	case opc_fdiv:
lubomir@307	537	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	538	break;
jaroslav@151	539	case opc_ddiv:
lubomir@307	540	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	541	break;
jaroslav@178	542	case opc_irem:
lubomir@307	543	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	544	break;
jaroslav@178	545	case opc_lrem:
lubomir@307	546	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	547	break;
jaroslav@178	548	case opc_frem:
lubomir@307	549	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	550	break;
jaroslav@178	551	case opc_drem:
lubomir@307	552	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	553	break;
jaroslav@151	554	case opc_iand:
lubomir@307	555	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	556	break;
jaroslav@151	557	case opc_land:
lubomir@307	558	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	559	break;
jaroslav@151	560	case opc_ior:
lubomir@307	561	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	562	break;
jaroslav@151	563	case opc_lor:
lubomir@307	564	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	565	break;
jaroslav@151	566	case opc_ixor:
lubomir@307	567	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	568	break;
jaroslav@151	569	case opc_lxor:
lubomir@307	570	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	571	break;
jaroslav@151	572	case opc_ineg:
lubomir@307	573	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	574	break;
jaroslav@151	575	case opc_lneg:
lubomir@307	576	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	577	break;
jaroslav@151	578	case opc_fneg:
lubomir@307	579	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	580	break;
jaroslav@151	581	case opc_dneg:
lubomir@307	582	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	583	break;
jaroslav@151	584	case opc_ishl:
lubomir@307	585	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	586	break;
jaroslav@151	587	case opc_lshl:
lubomir@307	588	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	589	break;
jaroslav@151	590	case opc_ishr:
lubomir@307	591	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	592	break;
jaroslav@151	593	case opc_lshr:
lubomir@307	594	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	595	break;
jaroslav@151	596	case opc_iushr:
lubomir@307	597	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	598	break;
jaroslav@151	599	case opc_lushr:
lubomir@307	600	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	601	break;
jaroslav@151	602	case opc_iinc: {
jtulach@128	603	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	604	final int incrBy = byteCodes[++i];
jaroslav@5	605	if (incrBy == 1) {
lubomir@307	606	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	607	} else {
lubomir@307	608	emit(out, "@1 += @2;",
lubomir@307	609	lmapper.getI(varIndx),
lubomir@283	610	Integer.toString(incrBy));
jaroslav@5	611	}
jaroslav@5	612	break;
jaroslav@5	613	}
jaroslav@151	614	case opc_return:
lubomir@283	615	emit(out, "return;");
jaroslav@10	616	break;
jaroslav@151	617	case opc_ireturn:
lubomir@307	618	emit(out, "return @1;", smapper.popI());
lubomir@281	619	break;
jaroslav@151	620	case opc_lreturn:
lubomir@307	621	emit(out, "return @1;", smapper.popL());
lubomir@281	622	break;
jaroslav@151	623	case opc_freturn:
lubomir@307	624	emit(out, "return @1;", smapper.popF());
lubomir@281	625	break;
jaroslav@151	626	case opc_dreturn:
lubomir@307	627	emit(out, "return @1;", smapper.popD());
lubomir@281	628	break;
jaroslav@151	629	case opc_areturn:
lubomir@307	630	emit(out, "return @1;", smapper.popA());
jaroslav@1	631	break;
jaroslav@151	632	case opc_i2l:
lubomir@307	633	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	634	break;
jaroslav@151	635	case opc_i2f:
lubomir@307	636	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	637	break;
jaroslav@151	638	case opc_i2d:
lubomir@307	639	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	640	break;
jaroslav@151	641	case opc_l2i:
lubomir@307	642	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	643	break;
jaroslav@3	644	// max int check?
jaroslav@151	645	case opc_l2f:
lubomir@307	646	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	647	break;
jaroslav@151	648	case opc_l2d:
lubomir@307	649	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	650	break;
jaroslav@151	651	case opc_f2d:
lubomir@307	652	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	653	break;
jaroslav@151	654	case opc_d2f:
lubomir@307	655	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	656	break;
jaroslav@151	657	case opc_f2i:
lubomir@283	658	emit(out, "@2 = Math.floor(@1);",
lubomir@307	659	smapper.popF(), smapper.pushI());
lubomir@281	660	break;
jaroslav@151	661	case opc_f2l:
lubomir@283	662	emit(out, "@2 = Math.floor(@1);",
lubomir@307	663	smapper.popF(), smapper.pushL());
lubomir@281	664	break;
jaroslav@151	665	case opc_d2i:
lubomir@283	666	emit(out, "@2 = Math.floor(@1);",
lubomir@307	667	smapper.popD(), smapper.pushI());
lubomir@281	668	break;
jaroslav@151	669	case opc_d2l:
lubomir@283	670	emit(out, "@2 = Math.floor(@1);",
lubomir@307	671	smapper.popD(), smapper.pushL());
jaroslav@3	672	break;
jaroslav@151	673	case opc_i2b:
jaroslav@151	674	case opc_i2c:
jaroslav@151	675	case opc_i2s:
jaroslav@337	676	out.append("{ /* number conversion */ }");
jaroslav@2	677	break;
jaroslav@151	678	case opc_aconst_null:
lubomir@307	679	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	680	break;
jaroslav@151	681	case opc_iconst_m1:
lubomir@307	682	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	683	break;
jaroslav@151	684	case opc_iconst_0:
lubomir@307	685	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	686	break;
jaroslav@151	687	case opc_dconst_0:
lubomir@307	688	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	689	break;
jaroslav@151	690	case opc_lconst_0:
lubomir@307	691	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	692	break;
jaroslav@151	693	case opc_fconst_0:
lubomir@307	694	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	695	break;
jaroslav@151	696	case opc_iconst_1:
lubomir@307	697	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	698	break;
jaroslav@151	699	case opc_lconst_1:
lubomir@307	700	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	701	break;
jaroslav@151	702	case opc_fconst_1:
lubomir@307	703	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	704	break;
jaroslav@151	705	case opc_dconst_1:
lubomir@307	706	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	707	break;
jaroslav@151	708	case opc_iconst_2:
lubomir@307	709	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	710	break;
jaroslav@151	711	case opc_fconst_2:
lubomir@307	712	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	713	break;
jaroslav@151	714	case opc_iconst_3:
lubomir@307	715	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	716	break;
jaroslav@151	717	case opc_iconst_4:
lubomir@307	718	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	719	break;
jaroslav@151	720	case opc_iconst_5:
lubomir@307	721	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	722	break;
jaroslav@151	723	case opc_ldc: {
jtulach@128	724	int indx = readByte(byteCodes, ++i);
jaroslav@151	725	String v = encodeConstant(indx);
lubomir@307	726	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	727	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20	728	break;
jaroslav@20	729	}
jaroslav@151	730	case opc_ldc_w:
jaroslav@151	731	case opc_ldc2_w: {
jaroslav@8	732	int indx = readIntArg(byteCodes, i);
jaroslav@8	733	i += 2;
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@8	737	break;
jaroslav@8	738	}
jaroslav@151	739	case opc_lcmp:
lubomir@283	740	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	741	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	742	break;
jaroslav@151	743	case opc_fcmpl:
jaroslav@151	744	case opc_fcmpg:
lubomir@283	745	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	746	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	747	break;
jaroslav@151	748	case opc_dcmpl:
lubomir@281	749	case opc_dcmpg:
lubomir@283	750	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	751	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	752	break;
jaroslav@151	753	case opc_if_acmpeq:
lubomir@307	754	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	755	"===");
jaroslav@104	756	break;
jaroslav@151	757	case opc_if_acmpne:
lubomir@307	758	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	759	"!=");
jaroslav@104	760	break;
lubomir@283	761	case opc_if_icmpeq:
lubomir@307	762	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	763	"==");
jaroslav@4	764	break;
jaroslav@151	765	case opc_ifeq: {
jaroslav@7	766	int indx = i + readIntArg(byteCodes, i);
lubomir@283	767	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	768	smapper.popI(), Integer.toString(indx));
jaroslav@7	769	i += 2;
jaroslav@7	770	break;
jaroslav@7	771	}
jaroslav@151	772	case opc_ifne: {
jaroslav@20	773	int indx = i + readIntArg(byteCodes, i);
lubomir@283	774	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	775	smapper.popI(), Integer.toString(indx));
jaroslav@20	776	i += 2;
jaroslav@20	777	break;
jaroslav@20	778	}
jaroslav@151	779	case opc_iflt: {
jaroslav@20	780	int indx = i + readIntArg(byteCodes, i);
lubomir@283	781	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	782	smapper.popI(), Integer.toString(indx));
jaroslav@20	783	i += 2;
jaroslav@20	784	break;
jaroslav@20	785	}
jaroslav@151	786	case opc_ifle: {
jaroslav@20	787	int indx = i + readIntArg(byteCodes, i);
lubomir@283	788	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	789	smapper.popI(), Integer.toString(indx));
jaroslav@20	790	i += 2;
jaroslav@20	791	break;
jaroslav@20	792	}
jaroslav@151	793	case opc_ifgt: {
jaroslav@20	794	int indx = i + readIntArg(byteCodes, i);
lubomir@283	795	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	796	smapper.popI(), Integer.toString(indx));
jaroslav@20	797	i += 2;
jaroslav@20	798	break;
jaroslav@20	799	}
jaroslav@151	800	case opc_ifge: {
jaroslav@20	801	int indx = i + readIntArg(byteCodes, i);
lubomir@283	802	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	803	smapper.popI(), Integer.toString(indx));
jaroslav@20	804	i += 2;
jaroslav@20	805	break;
jaroslav@20	806	}
jaroslav@151	807	case opc_ifnonnull: {
jaroslav@16	808	int indx = i + readIntArg(byteCodes, i);
lubomir@283	809	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	810	smapper.popA(), Integer.toString(indx));
jaroslav@16	811	i += 2;
jaroslav@16	812	break;
jaroslav@16	813	}
jaroslav@151	814	case opc_ifnull: {
jaroslav@16	815	int indx = i + readIntArg(byteCodes, i);
lubomir@283	816	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	817	smapper.popA(), Integer.toString(indx));
jaroslav@16	818	i += 2;
jaroslav@16	819	break;
jaroslav@16	820	}
jaroslav@151	821	case opc_if_icmpne:
lubomir@307	822	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	823	"!=");
jaroslav@4	824	break;
jaroslav@151	825	case opc_if_icmplt:
lubomir@307	826	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	827	"<");
jaroslav@4	828	break;
jaroslav@151	829	case opc_if_icmple:
lubomir@307	830	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	831	"<=");
jaroslav@4	832	break;
jaroslav@151	833	case opc_if_icmpgt:
lubomir@307	834	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	835	">");
jaroslav@4	836	break;
jaroslav@151	837	case opc_if_icmpge:
lubomir@307	838	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	839	">=");
jaroslav@4	840	break;
jaroslav@151	841	case opc_goto: {
jaroslav@5	842	int indx = i + readIntArg(byteCodes, i);
lubomir@283	843	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	844	i += 2;
jaroslav@5	845	break;
jaroslav@5	846	}
jaroslav@151	847	case opc_lookupswitch: {
jtulach@128	848	int table = i / 4 * 4 + 4;
jaroslav@115	849	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	850	table += 4;
jaroslav@115	851	int n = readInt4(byteCodes, table);
jaroslav@115	852	table += 4;
lubomir@307	853	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	854	while (n-- > 0) {
jaroslav@115	855	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	856	table += 4;
jaroslav@115	857	int offset = i + readInt4(byteCodes, table);
jaroslav@115	858	table += 4;
jaroslav@115	859	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	860	}
jaroslav@115	861	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	862	i = table - 1;
jaroslav@115	863	break;
jaroslav@115	864	}
jaroslav@151	865	case opc_tableswitch: {
jtulach@128	866	int table = i / 4 * 4 + 4;
jaroslav@115	867	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	868	table += 4;
jaroslav@115	869	int low = readInt4(byteCodes, table);
jaroslav@115	870	table += 4;
jaroslav@115	871	int high = readInt4(byteCodes, table);
jaroslav@115	872	table += 4;
lubomir@307	873	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	874	while (low <= high) {
jaroslav@115	875	int offset = i + readInt4(byteCodes, table);
jaroslav@115	876	table += 4;
jaroslav@115	877	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	878	low++;
jaroslav@115	879	}
jaroslav@115	880	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	881	i = table - 1;
jaroslav@115	882	break;
jaroslav@115	883	}
jaroslav@151	884	case opc_invokeinterface: {
lubomir@307	885	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	886	break;
jaroslav@46	887	}
jaroslav@151	888	case opc_invokevirtual:
lubomir@307	889	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	890	break;
jaroslav@151	891	case opc_invokespecial:
lubomir@307	892	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	893	break;
jaroslav@151	894	case opc_invokestatic:
lubomir@307	895	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	896	break;
jaroslav@151	897	case opc_new: {
jaroslav@8	898	int indx = readIntArg(byteCodes, i);
jaroslav@151	899	String ci = jc.getClassName(indx);
lubomir@283	900	emit(out, "@1 = new @2;",
lubomir@317	901	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	902	addReference(ci);
jaroslav@8	903	i += 2;
jaroslav@8	904	break;
jaroslav@8	905	}
lubomir@283	906	case opc_newarray:
lubomir@221	907	++i; // skip type of array
lubomir@283	908	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	909	smapper.popI(), smapper.pushA());
jaroslav@21	910	break;
lubomir@283	911	case opc_anewarray:
jaroslav@21	912	i += 2; // 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;
jaroslav@151	916	case opc_multianewarray: {
jtulach@128	917	i += 2;
jtulach@128	918	int dim = readByte(byteCodes, ++i);
lubomir@307	919	out.append("{ var a0 = new Array(").append(smapper.popI())
lubomir@221	920	.append(").fillNulls();");
jtulach@128	921	for (int d = 1; d < dim; d++) {
lubomir@221	922	out.append("\n var l" + d).append(" = ")
lubomir@307	923	.append(smapper.popI()).append(';');
jtulach@128	924	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	925	append(" < a" + (d - 1)).
jtulach@128	926	append(".length; i" + d).append("++) {");
jtulach@128	927	out.append("\n var a" + d).
jaroslav@172	928	append (" = new Array(l" + d).append(").fillNulls();");
jtulach@128	929	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	930	append(";");
jtulach@128	931	}
jtulach@128	932	for (int d = 1; d < dim; d++) {
jtulach@128	933	out.append("\n }");
jtulach@128	934	}
lubomir@307	935	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	936	break;
jtulach@128	937	}
jaroslav@151	938	case opc_arraylength:
lubomir@307	939	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	940	break;
lubomir@283	941	case opc_lastore:
lubomir@283	942	emit(out, "@3[@2] = @1;",
lubomir@307	943	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	944	break;
lubomir@283	945	case opc_fastore:
lubomir@283	946	emit(out, "@3[@2] = @1;",
lubomir@307	947	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	948	break;
lubomir@283	949	case opc_dastore:
lubomir@283	950	emit(out, "@3[@2] = @1;",
lubomir@307	951	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	952	break;
lubomir@283	953	case opc_aastore:
lubomir@283	954	emit(out, "@3[@2] = @1;",
lubomir@307	955	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	956	break;
jaroslav@151	957	case opc_iastore:
jaroslav@151	958	case opc_bastore:
jaroslav@151	959	case opc_castore:
lubomir@283	960	case opc_sastore:
lubomir@283	961	emit(out, "@3[@2] = @1;",
lubomir@307	962	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	963	break;
lubomir@283	964	case opc_laload:
lubomir@283	965	emit(out, "@3 = @2[@1];",
lubomir@307	966	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	967	break;
lubomir@283	968	case opc_faload:
lubomir@283	969	emit(out, "@3 = @2[@1];",
lubomir@307	970	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	971	break;
lubomir@283	972	case opc_daload:
lubomir@283	973	emit(out, "@3 = @2[@1];",
lubomir@307	974	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	975	break;
lubomir@283	976	case opc_aaload:
lubomir@283	977	emit(out, "@3 = @2[@1];",
lubomir@307	978	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	979	break;
jaroslav@272	980	case opc_iaload:
jaroslav@272	981	case opc_baload:
jaroslav@272	982	case opc_caload:
lubomir@283	983	case opc_saload:
lubomir@283	984	emit(out, "@3 = @2[@1];",
lubomir@307	985	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	986	break;
lubomir@221	987	case opc_pop:
jaroslav@272	988	case opc_pop2:
lubomir@307	989	smapper.pop(1);
jaroslav@399	990	debug("/* pop */");
jaroslav@272	991	break;
lubomir@281	992	case opc_dup: {
lubomir@307	993	final Variable v = smapper.get(0);
lubomir@307	994	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	995	break;
jaroslav@21	996	}
lubomir@281	997	case opc_dup2: {
lubomir@307	998	if (smapper.get(0).isCategory2()) {
lubomir@307	999	final Variable v = smapper.get(0);
lubomir@307	1000	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	1001	} else {
lubomir@307	1002	final Variable v1 = smapper.get(0);
lubomir@307	1003	final Variable v2 = smapper.get(1);
lubomir@283	1004	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	1005	smapper.pushT(v2.getType()), v2,
lubomir@307	1006	smapper.pushT(v1.getType()), v1);
lubomir@281	1007	}
jaroslav@21	1008	break;
jaroslav@21	1009	}
lubomir@281	1010	case opc_dup_x1: {
lubomir@307	1011	final Variable vi1 = smapper.pop();
lubomir@307	1012	final Variable vi2 = smapper.pop();
lubomir@307	1013	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1014	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1015	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1016
lubomir@283	1017	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1018	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1019	break;
lubomir@281	1020	}
lubomir@281	1021	case opc_dup_x2: {
lubomir@307	1022	if (smapper.get(1).isCategory2()) {
lubomir@307	1023	final Variable vi1 = smapper.pop();
lubomir@307	1024	final Variable vi2 = smapper.pop();
lubomir@307	1025	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1026	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1027	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1028
lubomir@283	1029	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1030	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1031	} else {
lubomir@307	1032	final Variable vi1 = smapper.pop();
lubomir@307	1033	final Variable vi2 = smapper.pop();
lubomir@307	1034	final Variable vi3 = smapper.pop();
lubomir@307	1035	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1036	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1037	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1038	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1039
lubomir@283	1040	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283	1041	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1042	}
jaroslav@8	1043	break;
lubomir@281	1044	}
jaroslav@151	1045	case opc_bipush:
lubomir@283	1046	emit(out, "@1 = @2;",
lubomir@307	1047	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1048	break;
jaroslav@151	1049	case opc_sipush:
lubomir@283	1050	emit(out, "@1 = @2;",
lubomir@307	1051	smapper.pushI(),
lubomir@283	1052	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1053	i += 2;
jaroslav@31	1054	break;
jaroslav@151	1055	case opc_getfield: {
jaroslav@8	1056	int indx = readIntArg(byteCodes, i);
jaroslav@151	1057	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1058	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1059	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1060	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1061	i += 2;
jaroslav@8	1062	break;
jaroslav@8	1063	}
jaroslav@151	1064	case opc_getstatic: {
jaroslav@9	1065	int indx = readIntArg(byteCodes, i);
jaroslav@151	1066	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1067	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1068	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1069	smapper.pushT(type),
lubomir@317	1070	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1071	i += 2;
jaroslav@151	1072	addReference(fi[0]);
jaroslav@9	1073	break;
jaroslav@9	1074	}
jaroslav@151	1075	case opc_putfield: {
jaroslav@10	1076	int indx = readIntArg(byteCodes, i);
jaroslav@151	1077	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1078	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1079	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1080	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1081	i += 2;
jaroslav@10	1082	break;
jaroslav@10	1083	}
lubomir@281	1084	case opc_putstatic: {
lubomir@281	1085	int indx = readIntArg(byteCodes, i);
lubomir@281	1086	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1087	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1088	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1089	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1090	smapper.popT(type));
lubomir@281	1091	i += 2;
lubomir@281	1092	addReference(fi[0]);
lubomir@281	1093	break;
lubomir@281	1094	}
jaroslav@151	1095	case opc_checkcast: {
jaroslav@30	1096	int indx = readIntArg(byteCodes, i);
jaroslav@151	1097	final String type = jc.getClassName(indx);
jaroslav@42	1098	if (!type.startsWith("[")) {
jaroslav@42	1099	// no way to check arrays right now
lubomir@283	1100	// XXX proper exception
lubomir@317	1101	emit(out,
lubomir@317	1102	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1103	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1104	}
jaroslav@30	1105	i += 2;
jaroslav@30	1106	break;
jaroslav@30	1107	}
jaroslav@151	1108	case opc_instanceof: {
jaroslav@17	1109	int indx = readIntArg(byteCodes, i);
jaroslav@151	1110	final String type = jc.getClassName(indx);
lubomir@283	1111	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1112	smapper.popA(), smapper.pushI(),
lubomir@317	1113	type.replace('/', '_'));
jaroslav@17	1114	i += 2;
jaroslav@30	1115	break;
jaroslav@17	1116	}
jaroslav@151	1117	case opc_athrow: {
lubomir@307	1118	final Variable v = smapper.popA();
lubomir@307	1119	smapper.clear();
lubomir@281	1120
lubomir@283	1121	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1122	smapper.pushA(), v);
jaroslav@104	1123	break;
jaroslav@104	1124	}
lubomir@221	1125
lubomir@221	1126	case opc_monitorenter: {
lubomir@221	1127	out.append("/* monitor enter */");
lubomir@307	1128	smapper.popA();
lubomir@221	1129	break;
lubomir@221	1130	}
lubomir@221	1131
lubomir@221	1132	case opc_monitorexit: {
lubomir@221	1133	out.append("/* monitor exit */");
lubomir@307	1134	smapper.popA();
lubomir@221	1135	break;
lubomir@221	1136	}
lubomir@221	1137
jaroslav@104	1138	default: {
lubomir@283	1139	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1140	Integer.toString(c));
jaroslav@104	1141	}
jaroslav@0	1142	}
jaroslav@399	1143	if (debug(" //")) {
jaroslav@399	1144	for (int j = prev; j <= i; j++) {
jaroslav@399	1145	out.append(" ");
jaroslav@399	1146	final int cc = readByte(byteCodes, j);
jaroslav@399	1147	out.append(Integer.toString(cc));
jaroslav@399	1148	}
jaroslav@0	1149	}
tzezula@285	1150	out.append("\n");
jaroslav@0	1151	}
jaroslav@398	1152	if (previousTrap != null) {
jaroslav@398	1153	generateCatch(previousTrap);
jaroslav@398	1154	}
jaroslav@10	1155	out.append(" }\n");
lubomir@307	1156	out.append("};");
jaroslav@4	1157	}
jaroslav@4	1158
lubomir@281	1159	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1160	final Variable v2, final Variable v1,
lubomir@281	1161	final String test) throws IOException {
jaroslav@4	1162	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1163	out.append("if (").append(v1)
lubomir@221	1164	.append(' ').append(test).append(' ')
lubomir@281	1165	.append(v2).append(") { gt = " + indx)
lubomir@221	1166	.append("; continue; }");
jaroslav@4	1167	return i + 2;
jaroslav@4	1168	}
jaroslav@4	1169
jaroslav@4	1170	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1171	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1172	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1173	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1174	}
jaroslav@115	1175	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1176	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1177	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1178	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1179	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1180	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1181	}
jtulach@128	1182	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1183	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1184	}
jaroslav@4	1185
lubomir@281	1186	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1187	int i = 0;
jaroslav@4	1188	Boolean count = null;
jaroslav@32	1189	boolean array = false;
jaroslav@248	1190	sig.append("__");
jaroslav@10	1191	int firstPos = sig.length();
jaroslav@4	1192	while (i < descriptor.length()) {
jaroslav@4	1193	char ch = descriptor.charAt(i++);
jaroslav@4	1194	switch (ch) {
jaroslav@4	1195	case '(':
jaroslav@4	1196	count = true;
jaroslav@4	1197	continue;
jaroslav@4	1198	case ')':
jaroslav@4	1199	count = false;
jaroslav@4	1200	continue;
jaroslav@4	1201	case 'B':
jaroslav@4	1202	case 'C':
jaroslav@4	1203	case 'D':
jaroslav@4	1204	case 'F':
jaroslav@4	1205	case 'I':
jaroslav@4	1206	case 'J':
jaroslav@4	1207	case 'S':
jaroslav@4	1208	case 'Z':
jaroslav@4	1209	if (count) {
jaroslav@32	1210	if (array) {
jaroslav@248	1211	sig.append("_3");
jaroslav@32	1212	}
jaroslav@4	1213	sig.append(ch);
jtulach@156	1214	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1215	cnt.append('1');
jtulach@156	1216	} else {
jtulach@156	1217	cnt.append('0');
jtulach@156	1218	}
jaroslav@4	1219	} else {
jaroslav@10	1220	sig.insert(firstPos, ch);
jaroslav@32	1221	if (array) {
lubomir@281	1222	returnType[0] = '[';
jaroslav@248	1223	sig.insert(firstPos, "_3");
lubomir@281	1224	} else {
lubomir@281	1225	returnType[0] = ch;
jaroslav@32	1226	}
jaroslav@4	1227	}
jaroslav@93	1228	array = false;
jaroslav@4	1229	continue;
jaroslav@4	1230	case 'V':
jaroslav@4	1231	assert !count;
lubomir@281	1232	returnType[0] = 'V';
jaroslav@10	1233	sig.insert(firstPos, 'V');
jaroslav@4	1234	continue;
jaroslav@4	1235	case 'L':
jaroslav@16	1236	int next = descriptor.indexOf(';', i);
jaroslav@248	1237	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1238	if (count) {
jaroslav@32	1239	if (array) {
jaroslav@248	1240	sig.append("_3");
jaroslav@32	1241	}
jaroslav@248	1242	sig.append(realSig);
jtulach@156	1243	cnt.append('0');
jaroslav@4	1244	} else {
jaroslav@248	1245	sig.insert(firstPos, realSig);
jaroslav@32	1246	if (array) {
jaroslav@248	1247	sig.insert(firstPos, "_3");
jaroslav@32	1248	}
lubomir@281	1249	returnType[0] = 'L';
jaroslav@4	1250	}
jaroslav@16	1251	i = next + 1;
jaroslav@4	1252	continue;
jaroslav@4	1253	case '[':
jaroslav@248	1254	array = true;
jaroslav@4	1255	continue;
jaroslav@4	1256	default:
jaroslav@248	1257	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1258	}
jaroslav@4	1259	}
jaroslav@0	1260	}
jaroslav@248	1261
jaroslav@248	1262	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1263	StringBuilder sb = new StringBuilder();
jaroslav@248	1264	for (int i = first; i < last; i++) {
jaroslav@248	1265	final char ch = txt.charAt(i);
jaroslav@248	1266	switch (ch) {
jaroslav@248	1267	case '/': sb.append('_'); break;
jaroslav@248	1268	case '_': sb.append("_1"); break;
jaroslav@248	1269	case ';': sb.append("_2"); break;
jaroslav@248	1270	case '[': sb.append("_3"); break;
jaroslav@248	1271	default: sb.append(ch); break;
jaroslav@248	1272	}
jaroslav@248	1273	}
jaroslav@406	1274	shortenSig(sb, "Ljava_lang_String_2", 's');
jaroslav@406	1275	shortenSig(sb, "Ljava_lang_Object_2", 'o');
jaroslav@406	1276	return sb.toString();
jaroslav@406	1277	}
jaroslav@406	1278
jaroslav@406	1279	private static void shortenSig(StringBuilder sb, String strng, char r) {
jaroslav@406	1280	for (;;) {
jaroslav@405	1281	int pos = sb.indexOf(strng);
jaroslav@405	1282	if (pos == -1) {
jaroslav@405	1283	break;
jaroslav@405	1284	}
jaroslav@405	1285	sb.delete(pos, pos + strng.length());
jaroslav@406	1286	sb.insert(pos, r);
jaroslav@405	1287	}
jaroslav@248	1288	}
jaroslav@405	1289
jaroslav@248	1290	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1291	StringBuilder name = new StringBuilder();
jaroslav@10	1292	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1293	name.append("cons"); // NOI18N
jaroslav@19	1294	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1295	name.append("class"); // NOI18N
jaroslav@10	1296	} else {
jaroslav@42	1297	name.append(m.getName());
jaroslav@10	1298	}
jaroslav@42	1299
lubomir@282	1300	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1301	return name.toString();
jaroslav@10	1302	}
jaroslav@10	1303
lubomir@282	1304	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1305	StringBuilder name = new StringBuilder();
jaroslav@151	1306	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1307	String nm= mi[1];
jaroslav@151	1308	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1309	name.append("cons"); // NOI18N
jaroslav@10	1310	} else {
jaroslav@151	1311	name.append(nm);
jaroslav@10	1312	}
lubomir@282	1313	countArgs(descr, returnType, name, cnt);
jaroslav@10	1314	return name.toString();
jaroslav@10	1315	}
jaroslav@10	1316
lubomir@307	1317	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1318	throws IOException {
jaroslav@10	1319	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1320	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1321	char[] returnType = { 'V' };
jtulach@156	1322	StringBuilder cnt = new StringBuilder();
lubomir@281	1323	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1324
lubomir@221	1325	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1326	final Variable[] vars = new Variable[numArguments];
lubomir@221	1327
lubomir@281	1328	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1329	vars[j] = mapper.pop();
jaroslav@11	1330	}
lubomir@281	1331
lubomir@281	1332	if (returnType[0] != 'V') {
lubomir@307	1333	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1334	.append(" = ");
jaroslav@10	1335	}
lubomir@221	1336
jaroslav@151	1337	final String in = mi[0];
jaroslav@274	1338	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1339	out.append("(false).");
jaroslav@397	1340	if (mn.startsWith("cons_")) {
jaroslav@397	1341	out.append("constructor.");
jaroslav@397	1342	}
jaroslav@10	1343	out.append(mn);
jaroslav@10	1344	out.append('(');
lubomir@221	1345	if (numArguments > 0) {
lubomir@281	1346	out.append(vars[0]);
lubomir@281	1347	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1348	out.append(", ");
lubomir@281	1349	out.append(vars[j]);
lubomir@221	1350	}
jaroslav@10	1351	}
lubomir@221	1352	out.append(");");
jaroslav@10	1353	i += 2;
jaroslav@18	1354	addReference(in);
jaroslav@10	1355	return i;
jaroslav@10	1356	}
lubomir@307	1357	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1358	throws IOException {
jaroslav@12	1359	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1360	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1361	char[] returnType = { 'V' };
jtulach@156	1362	StringBuilder cnt = new StringBuilder();
lubomir@281	1363	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1364
lubomir@281	1365	final int numArguments = cnt.length() + 1;
lubomir@281	1366	final Variable[] vars = new Variable[numArguments];
lubomir@221	1367
lubomir@281	1368	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1369	vars[j] = mapper.pop();
jaroslav@12	1370	}
lubomir@221	1371
lubomir@281	1372	if (returnType[0] != 'V') {
lubomir@307	1373	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1374	.append(" = ");
jaroslav@12	1375	}
lubomir@281	1376
lubomir@281	1377	out.append(vars[0]).append('.');
jaroslav@12	1378	out.append(mn);
jaroslav@12	1379	out.append('(');
lubomir@281	1380	out.append(vars[0]);
lubomir@281	1381	for (int j = 1; j < numArguments; ++j) {
jaroslav@12	1382	out.append(", ");
lubomir@281	1383	out.append(vars[j]);
jaroslav@12	1384	}
lubomir@221	1385	out.append(");");
jaroslav@12	1386	i += 2;
jaroslav@12	1387	return i;
jaroslav@12	1388	}
lubomir@221	1389
jaroslav@103	1390	private void addReference(String cn) throws IOException {
jtulach@162	1391	if (requireReference(cn)) {
jaroslav@399	1392	debug(" /* needs " + cn + " */");
jaroslav@18	1393	}
jaroslav@18	1394	}
jaroslav@16	1395
jaroslav@33	1396	private void outType(String d, StringBuilder out) {
jaroslav@33	1397	int arr = 0;
jaroslav@33	1398	while (d.charAt(0) == '[') {
jaroslav@33	1399	out.append('A');
jaroslav@33	1400	d = d.substring(1);
jaroslav@33	1401	}
jaroslav@16	1402	if (d.charAt(0) == 'L') {
jaroslav@16	1403	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1404	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1405	} else {
jaroslav@16	1406	out.append(d);
jaroslav@16	1407	}
jaroslav@16	1408	}
jaroslav@21	1409
jaroslav@230	1410	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1411	String[] classRef = { null };
jaroslav@230	1412	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1413	if (classRef[0] != null) {
jaroslav@230	1414	addReference(classRef[0]);
jaroslav@274	1415	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1416	}
jaroslav@151	1417	return s;
jaroslav@21	1418	}
jaroslav@32	1419
jaroslav@266	1420	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1421	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1422	if (arr == null) {
jaroslav@266	1423	return null;
jaroslav@152	1424	}
jaroslav@200	1425	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1426	class P extends AnnotationParser {
jaroslav@237	1427	public P() {
jaroslav@237	1428	super(false);
jaroslav@237	1429	}
jaroslav@237	1430
jaroslav@152	1431	int cnt;
jaroslav@152	1432	String[] args = new String[30];
jaroslav@152	1433	String body;
jaroslav@94	1434
jaroslav@152	1435	@Override
jaroslav@236	1436	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1437	if (type.equals(jvmType)) {
jaroslav@152	1438	if ("body".equals(attr)) {
jaroslav@152	1439	body = value;
jaroslav@152	1440	} else if ("args".equals(attr)) {
jaroslav@152	1441	args[cnt++] = value;
jaroslav@152	1442	} else {
jaroslav@152	1443	throw new IllegalArgumentException(attr);
jaroslav@152	1444	}
jaroslav@152	1445	}
jaroslav@94	1446	}
jaroslav@94	1447	}
jaroslav@152	1448	P p = new P();
jaroslav@152	1449	p.parse(arr, jc);
jaroslav@152	1450	if (p.body == null) {
jaroslav@266	1451	return null;
jaroslav@152	1452	}
jtulach@156	1453	StringBuilder cnt = new StringBuilder();
jaroslav@266	1454	final String mn = findMethodName(m, cnt);
jaroslav@266	1455	out.append(prefix).append(mn);
jaroslav@203	1456	out.append(" = function(");
jaroslav@152	1457	String space;
jaroslav@152	1458	int index;
jaroslav@152	1459	if (!isStatic) {
jaroslav@316	1460	space = outputArg(out, p.args, 0);
jaroslav@152	1461	index = 1;
jaroslav@152	1462	} else {
jaroslav@152	1463	space = "";
jaroslav@152	1464	index = 0;
jaroslav@152	1465	}
jtulach@156	1466	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1467	out.append(space);
jaroslav@316	1468	space = outputArg(out, p.args, index);
jaroslav@152	1469	index++;
jaroslav@152	1470	}
jaroslav@152	1471	out.append(") {").append("\n");
jaroslav@152	1472	out.append(p.body);
jaroslav@152	1473	out.append("\n}\n");
jaroslav@266	1474	return mn;
jaroslav@151	1475	}
jaroslav@151	1476	private static String className(ClassData jc) {
jaroslav@151	1477	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1478	return jc.getClassName().replace('/', '_');
jaroslav@94	1479	}
jaroslav@152	1480
jaroslav@152	1481	private static String[] findAnnotation(
jaroslav@152	1482	byte[] arr, ClassData cd, final String className,
jaroslav@152	1483	final String... attrNames
jaroslav@152	1484	) throws IOException {
jaroslav@152	1485	if (arr == null) {
jaroslav@152	1486	return null;
jaroslav@152	1487	}
jaroslav@152	1488	final String[] values = new String[attrNames.length];
jaroslav@152	1489	final boolean[] found = { false };
jaroslav@152	1490	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1491	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1492	@Override
jaroslav@236	1493	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1494	if (type.equals(jvmType)) {
jaroslav@152	1495	found[0] = true;
jaroslav@152	1496	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1497	if (attrNames[i].equals(attr)) {
jaroslav@152	1498	values[i] = value;
jaroslav@152	1499	}
jaroslav@152	1500	}
jaroslav@152	1501	}
jaroslav@152	1502	}
jaroslav@152	1503
jaroslav@152	1504	};
jaroslav@152	1505	ap.parse(arr, cd);
jaroslav@152	1506	return found[0] ? values : null;
jaroslav@152	1507	}
jaroslav@173	1508
jaroslav@173	1509	private CharSequence initField(FieldData v) {
jaroslav@173	1510	final String is = v.getInternalSig();
jaroslav@173	1511	if (is.length() == 1) {
jaroslav@173	1512	switch (is.charAt(0)) {
jaroslav@173	1513	case 'S':
jaroslav@173	1514	case 'J':
jaroslav@173	1515	case 'B':
jaroslav@173	1516	case 'Z':
jaroslav@173	1517	case 'C':
jaroslav@173	1518	case 'I': return " = 0;";
jaroslav@173	1519	case 'F':
jaroslav@180	1520	case 'D': return " = 0.0;";
jaroslav@173	1521	default:
jaroslav@173	1522	throw new IllegalStateException(is);
jaroslav@173	1523	}
jaroslav@173	1524	}
jaroslav@173	1525	return " = null;";
jaroslav@173	1526	}
jaroslav@235	1527
jaroslav@235	1528	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1529	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1530	int anno;
jaroslav@235	1531	int cnt;
jaroslav@235	1532
jaroslav@235	1533	@Override
jaroslav@235	1534	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1535	if (anno++ > 0) {
jaroslav@237	1536	out.append(",");
jaroslav@237	1537	}
jaroslav@235	1538	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1539	cnt = 0;
jaroslav@235	1540	}
jaroslav@235	1541
jaroslav@235	1542	@Override
jaroslav@235	1543	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1544	out.append("\n}\n");
jaroslav@235	1545	}
jaroslav@235	1546
jaroslav@235	1547	@Override
jaroslav@236	1548	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1549	throws IOException {
jaroslav@266	1550	if (attr == null) {
jaroslav@266	1551	return;
jaroslav@266	1552	}
jaroslav@235	1553	if (cnt++ > 0) {
jaroslav@235	1554	out.append(",\n");
jaroslav@235	1555	}
jaroslav@250	1556	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1557	}
jaroslav@235	1558	};
jaroslav@235	1559	ap.parse(data, cd);
jaroslav@235	1560	}
jaroslav@316	1561
jaroslav@316	1562	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1563	final String name = args[indx];
jaroslav@316	1564	if (name == null) {
jaroslav@316	1565	return "";
jaroslav@316	1566	}
jaroslav@316	1567	if (name.contains(",")) {
jaroslav@316	1568	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1569	}
jaroslav@316	1570	out.append(name);
jaroslav@316	1571	return ",";
jaroslav@316	1572	}
lubomir@317	1573
lubomir@283	1574	private static void emit(final Appendable out,
lubomir@283	1575	final String format,
lubomir@283	1576	final CharSequence... params) throws IOException {
lubomir@283	1577	final int length = format.length();
lubomir@283	1578
lubomir@283	1579	int processed = 0;
lubomir@283	1580	int paramOffset = format.indexOf('@');
lubomir@283	1581	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1582	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1583	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1584	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1585
lubomir@283	1586	out.append(format, processed, paramOffset);
lubomir@283	1587	out.append(params[paramIndex]);
lubomir@283	1588
lubomir@283	1589	++paramOffset;
lubomir@283	1590	processed = paramOffset + 1;
lubomir@283	1591	}
lubomir@283	1592
lubomir@283	1593	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1594	}
lubomir@283	1595
lubomir@283	1596	out.append(format, processed, length);
lubomir@283	1597	}
jaroslav@398	1598
jaroslav@398	1599	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@400	1600	out.append("} catch (e) {\n");
jaroslav@401	1601	int finallyPC = -1;
jaroslav@398	1602	for (TrapData e : traps) {
jaroslav@398	1603	if (e == null) {
jaroslav@398	1604	break;
jaroslav@398	1605	}
jaroslav@398	1606	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1607	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1608	addReference(classInternalName);
jaroslav@398	1609	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@398	1610	out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@400	1611	out.append("}\n");
jaroslav@398	1612	} else {
jaroslav@401	1613	finallyPC = e.handler_pc;
jaroslav@398	1614	}
jaroslav@398	1615	}
jaroslav@401	1616	if (finallyPC == -1) {
jaroslav@401	1617	out.append("throw e;");
jaroslav@401	1618	} else {
jaroslav@401	1619	out.append("gt=" + finallyPC + "; stA0 = e; continue;");
jaroslav@401	1620	}
jaroslav@400	1621	out.append("\n}");
jaroslav@398	1622	}
jaroslav@0	1623	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Thu, 03 Jan 2013 11:29:22 +0100
branch	TypeNickNames
changeset 406	2670f519a46d
parent 405	e41809be6106
permissions	-rw-r--r--