hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@2adac52f955e (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@18	68
jaroslav@18	69	/**
jaroslav@18	70	* Converts a given class file to a JavaScript version.
jaroslav@18	71	*
jaroslav@0	72	* @param classFile input stream with code of the .class file
jaroslav@97	73	* @return the initialization code for this class, if any. Otherwise <code>null</code>
jaroslav@91	74	*
jaroslav@0	75	* @throws IOException if something goes wrong during read or write or translating
jaroslav@0	76	*/
jaroslav@18	77
jtulach@162	78	public String compile(InputStream classFile) throws IOException {
jtulach@162	79	this.jc = new ClassData(classFile);
jaroslav@324	80	if (jc.getMajor_version() < 50) {
jaroslav@324	81	throw new IOException("Can't compile " + jc.getClassName() + ". Class file version " + jc.getMajor_version() + "."
jaroslav@324	82	+ jc.getMinor_version() + " - recompile with -target 1.6 (at least)."
jaroslav@324	83	);
jaroslav@324	84	}
jaroslav@152	85	byte[] arrData = jc.findAnnotationData(true);
jaroslav@170	86	String[] arr = findAnnotation(arrData, jc,
jaroslav@170	87	"org.apidesign.bck2brwsr.core.ExtraJavaScript",
jaroslav@170	88	"resource", "processByteCode"
jaroslav@170	89	);
jaroslav@152	90	if (arr != null) {
jtulach@162	91	requireScript(arr[0]);
jaroslav@152	92	if ("0".equals(arr[1])) {
jaroslav@97	93	return null;
jaroslav@91	94	}
jaroslav@91	95	}
jaroslav@239	96	String[] proto = findAnnotation(arrData, jc,
jaroslav@239	97	"org.apidesign.bck2brwsr.core.JavaScriptPrototype",
jaroslav@239	98	"container", "prototype"
jaroslav@239	99	);
jtulach@162	100	StringArray toInitilize = new StringArray();
jaroslav@151	101	final String className = className(jc);
jaroslav@213	102	out.append("\n\n").append(assignClass(className));
jaroslav@213	103	out.append("function CLS() {");
jaroslav@213	104	out.append("\n if (!CLS.prototype.$instOf_").append(className).append(") {");
jtulach@191	105	for (FieldData v : jc.getFields()) {
jtulach@191	106	if (v.isStatic()) {
jaroslav@213	107	out.append("\n CLS.").append(v.getName()).append(initField(v));
jtulach@191	108	}
jtulach@191	109	}
jaroslav@239	110	if (proto == null) {
jaroslav@239	111	String sc = jc.getSuperClassName(); // with _
jaroslav@230	112	out.append("\n var pp = ").
jaroslav@274	113	append(accessClass(sc.replace('/', '_'))).append("(true);");
jaroslav@230	114	out.append("\n var p = CLS.prototype = pp;");
jaroslav@239	115	out.append("\n var c = p;");
jaroslav@230	116	out.append("\n var sprcls = pp.constructor.$class;");
jtulach@130	117	} else {
jaroslav@240	118	out.append("\n var p = CLS.prototype = ").append(proto[1]).append(";");
jaroslav@316	119	if (proto[0] == null) {
jaroslav@316	120	proto[0] = "p";
jaroslav@316	121	}
jaroslav@239	122	out.append("\n var c = ").append(proto[0]).append(";");
jaroslav@230	123	out.append("\n var sprcls = null;");
jaroslav@13	124	}
jaroslav@151	125	for (MethodData m : jc.getMethods()) {
jaroslav@240	126	byte[] onlyArr = m.findAnnotationData(true);
jaroslav@240	127	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	128	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	129	"name", "value"
jaroslav@240	130	);
jaroslav@240	131	if (only != null) {
jaroslav@240	132	if (only[0] != null && only[1] != null) {
jaroslav@240	133	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	134	.append(only[1]).append(";");
jaroslav@240	135	}
jaroslav@240	136	continue;
jaroslav@240	137	}
jaroslav@397	138	String prefix;
jaroslav@266	139	String mn;
jaroslav@203	140	if (m.isStatic()) {
jaroslav@397	141	prefix = "\n c.";
jaroslav@397	142	mn = generateStaticMethod(prefix, m, toInitilize);
jaroslav@203	143	} else {
jaroslav@397	144	if (m.isConstructor()) {
jaroslav@397	145	prefix = "\n CLS.";
jaroslav@397	146	mn = generateInstanceMethod(prefix, m);
jaroslav@397	147	} else {
jaroslav@397	148	prefix = "\n c.";
jaroslav@397	149	mn = generateInstanceMethod(prefix, m);
jaroslav@397	150	}
jaroslav@266	151	}
jaroslav@266	152	byte[] runAnno = m.findAnnotationData(false);
jaroslav@266	153	if (runAnno != null) {
jaroslav@397	154	out.append(prefix).append(mn).append(".anno = {");
jaroslav@266	155	generateAnno(jc, out, runAnno);
jaroslav@266	156	out.append("\n };");
jaroslav@38	157	}
jaroslav@397	158	out.append(prefix).append(mn).append(".access = " + m.getAccess()).append(";");
jaroslav@38	159	}
jaroslav@239	160	out.append("\n c.constructor = CLS;");
jaroslav@239	161	out.append("\n c.$instOf_").append(className).append(" = true;");
jaroslav@151	162	for (String superInterface : jc.getSuperInterfaces()) {
jaroslav@239	163	out.append("\n c.$instOf_").append(superInterface.replace('/', '_')).append(" = true;");
jaroslav@40	164	}
jaroslav@274	165	out.append("\n CLS.$class = ");
jaroslav@274	166	out.append(accessClass("java_lang_Class(true);"));
jaroslav@225	167	out.append("\n CLS.$class.jvmName = '").append(jc.getClassName()).append("';");
jaroslav@230	168	out.append("\n CLS.$class.superclass = sprcls;");
jaroslav@355	169	out.append("\n CLS.$class.access = ").append(jc.getAccessFlags()+";");
jaroslav@231	170	out.append("\n CLS.$class.cnstr = CLS;");
jaroslav@235	171	byte[] classAnno = jc.findAnnotationData(false);
jaroslav@235	172	if (classAnno != null) {
jaroslav@235	173	out.append("\n CLS.$class.anno = {");
jaroslav@235	174	generateAnno(jc, out, classAnno);
jaroslav@235	175	out.append("\n };");
jaroslav@235	176	}
jaroslav@204	177	out.append("\n }");
jaroslav@205	178	out.append("\n if (arguments.length === 0) {");
jaroslav@226	179	out.append("\n if (!(this instanceof CLS)) {");
jaroslav@226	180	out.append("\n return new CLS();");
jaroslav@226	181	out.append("\n }");
jaroslav@205	182	for (FieldData v : jc.getFields()) {
jaroslav@240	183	byte[] onlyArr = v.findAnnotationData(true);
jaroslav@240	184	String[] only = findAnnotation(onlyArr, jc,
jaroslav@240	185	"org.apidesign.bck2brwsr.core.JavaScriptOnly",
jaroslav@240	186	"name", "value"
jaroslav@240	187	);
jaroslav@240	188	if (only != null) {
jaroslav@240	189	if (only[0] != null && only[1] != null) {
jaroslav@240	190	out.append("\n p.").append(only[0]).append(" = ")
jaroslav@240	191	.append(only[1]).append(";");
jaroslav@240	192	}
jaroslav@240	193	continue;
jaroslav@240	194	}
jaroslav@205	195	if (!v.isStatic()) {
jaroslav@205	196	out.append("\n this.fld_").
jaroslav@205	197	append(v.getName()).append(initField(v));
jaroslav@205	198	}
jaroslav@205	199	}
jaroslav@205	200	out.append("\n return this;");
jaroslav@205	201	out.append("\n }");
jaroslav@224	202	out.append("\n return arguments[0] ? new CLS() : CLS.prototype;");
jaroslav@98	203	out.append("\n}");
jaroslav@97	204	StringBuilder sb = new StringBuilder();
jtulach@162	205	for (String init : toInitilize.toArray()) {
jaroslav@97	206	sb.append("\n").append(init).append("();");
jaroslav@21	207	}
jaroslav@97	208	return sb.toString();
jaroslav@0	209	}
jaroslav@266	210	private String generateStaticMethod(String prefix, MethodData m, StringArray toInitilize) throws IOException {
jaroslav@266	211	String jsb = javaScriptBody(prefix, m, true);
jaroslav@266	212	if (jsb != null) {
jaroslav@266	213	return jsb;
jaroslav@94	214	}
lubomir@307	215	final String mn = findMethodName(m, new StringBuilder());
jaroslav@248	216	if (mn.equals("class__V")) {
jaroslav@274	217	toInitilize.add(accessClass(className(jc)) + "(false)." + mn);
jaroslav@21	218	}
lubomir@307	219	generateMethod(prefix, mn, m);
jaroslav@266	220	return mn;
jaroslav@10	221	}
lubomir@307	222
jaroslav@266	223	private String generateInstanceMethod(String prefix, MethodData m) throws IOException {
jaroslav@266	224	String jsb = javaScriptBody(prefix, m, false);
jaroslav@266	225	if (jsb != null) {
jaroslav@266	226	return jsb;
jaroslav@94	227	}
lubomir@307	228	final String mn = findMethodName(m, new StringBuilder());
lubomir@307	229	generateMethod(prefix, mn, m);
jaroslav@266	230	return mn;
jaroslav@0	231	}
jaroslav@0	232
lubomir@307	233	private void generateMethod(String prefix, String name, MethodData m)
lubomir@307	234	throws IOException {
lubomir@307	235	final StackMapIterator stackMapIterator = m.createStackMapIterator();
jaroslav@376	236	TrapDataIterator trap = m.getTrapDataIterator();
lubomir@307	237	final LocalsMapper lmapper =
lubomir@307	238	new LocalsMapper(stackMapIterator.getArguments());
lubomir@307	239
lubomir@307	240	out.append(prefix).append(name).append(" = function(");
lubomir@307	241	lmapper.outputArguments(out);
lubomir@307	242	out.append(") {").append("\n");
lubomir@307	243
lubomir@221	244	final byte[] byteCodes = m.getCode();
lubomir@307	245	if (byteCodes == null) {
lubomir@307	246	out.append(" throw 'no code found for ")
lubomir@307	247	.append(m.getInternalSig()).append("';\n");
lubomir@307	248	out.append("};");
lubomir@307	249	return;
lubomir@307	250	}
lubomir@307	251
lubomir@307	252	final StackMapper smapper = new StackMapper();
lubomir@307	253
lubomir@307	254	final int maxLocals = m.getMaxLocals();
lubomir@307	255	if (maxLocals > 0) {
lubomir@307	256	// TODO: generate only used local variables
lubomir@307	257	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@307	258	out.append("\n var ").append(Variable.getLocalVariable(j, 0));
lubomir@307	259	for (int i = 1; i < maxLocals; ++i) {
lubomir@307	260	out.append(", ");
lubomir@307	261	out.append(Variable.getLocalVariable(j, i));
lubomir@307	262	}
lubomir@307	263	out.append(';');
lubomir@307	264	}
lubomir@307	265	}
lubomir@221	266
lubomir@221	267	// maxStack includes two stack positions for every pushed long / double
lubomir@221	268	// so this might generate more stack variables than we need
lubomir@221	269	final int maxStack = m.getMaxStack();
lubomir@221	270	if (maxStack > 0) {
lubomir@281	271	// TODO: generate only used stack variables
lubomir@307	272	for (int j = 0; j <= VarType.LAST; ++j) {
lubomir@281	273	out.append("\n var ").append(Variable.getStackVariable(j, 0));
lubomir@281	274	for (int i = 1; i < maxStack; ++i) {
lubomir@281	275	out.append(", ");
lubomir@281	276	out.append(Variable.getStackVariable(j, i));
lubomir@281	277	}
lubomir@281	278	out.append(';');
lubomir@221	279	}
lubomir@221	280	}
lubomir@221	281
lubomir@221	282	int lastStackFrame = -1;
lubomir@221	283
jaroslav@10	284	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	285	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	286	int prev = i;
lubomir@221	287	stackMapIterator.advanceTo(i);
jaroslav@288	288	trap.advanceTo(i);
lubomir@221	289	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	290	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	291	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	292	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	293	out.append(" case " + i).append(": ");
lubomir@221	294	} else {
lubomir@221	295	out.append(" /* " + i).append(" */ ");
lubomir@221	296	}
jaroslav@288	297	if (trap.useTry()) {
tzezula@285	298	out.append("try {");
tzezula@285	299	}
jtulach@128	300	final int c = readByte(byteCodes, i);
jaroslav@0	301	switch (c) {
jaroslav@151	302	case opc_aload_0:
lubomir@307	303	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	304	break;
jaroslav@151	305	case opc_iload_0:
lubomir@307	306	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	307	break;
jaroslav@151	308	case opc_lload_0:
lubomir@307	309	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	310	break;
jaroslav@151	311	case opc_fload_0:
lubomir@307	312	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	313	break;
jaroslav@151	314	case opc_dload_0:
lubomir@307	315	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	316	break;
jaroslav@151	317	case opc_aload_1:
lubomir@307	318	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	319	break;
jaroslav@151	320	case opc_iload_1:
lubomir@307	321	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	322	break;
jaroslav@151	323	case opc_lload_1:
lubomir@307	324	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	325	break;
jaroslav@151	326	case opc_fload_1:
lubomir@307	327	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	328	break;
jaroslav@151	329	case opc_dload_1:
lubomir@307	330	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	331	break;
jaroslav@151	332	case opc_aload_2:
lubomir@307	333	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	334	break;
jaroslav@151	335	case opc_iload_2:
lubomir@307	336	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	337	break;
jaroslav@151	338	case opc_lload_2:
lubomir@307	339	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	340	break;
jaroslav@151	341	case opc_fload_2:
lubomir@307	342	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	343	break;
jaroslav@151	344	case opc_dload_2:
lubomir@307	345	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	346	break;
jaroslav@151	347	case opc_aload_3:
lubomir@307	348	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	349	break;
jaroslav@151	350	case opc_iload_3:
lubomir@307	351	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	352	break;
jaroslav@151	353	case opc_lload_3:
lubomir@307	354	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	355	break;
jaroslav@151	356	case opc_fload_3:
lubomir@307	357	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	358	break;
jaroslav@151	359	case opc_dload_3:
lubomir@307	360	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	361	break;
lubomir@281	362	case opc_iload: {
lubomir@281	363	final int indx = readByte(byteCodes, ++i);
lubomir@307	364	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	365	break;
lubomir@281	366	}
lubomir@281	367	case opc_lload: {
lubomir@281	368	final int indx = readByte(byteCodes, ++i);
lubomir@307	369	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	370	break;
lubomir@281	371	}
lubomir@281	372	case opc_fload: {
lubomir@281	373	final int indx = readByte(byteCodes, ++i);
lubomir@307	374	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	375	break;
lubomir@281	376	}
lubomir@281	377	case opc_dload: {
lubomir@281	378	final int indx = readByte(byteCodes, ++i);
lubomir@307	379	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	380	break;
lubomir@281	381	}
jaroslav@151	382	case opc_aload: {
jtulach@128	383	final int indx = readByte(byteCodes, ++i);
lubomir@307	384	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	385	break;
jaroslav@3	386	}
lubomir@281	387	case opc_istore: {
lubomir@281	388	final int indx = readByte(byteCodes, ++i);
lubomir@307	389	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	390	break;
lubomir@281	391	}
lubomir@281	392	case opc_lstore: {
lubomir@281	393	final int indx = readByte(byteCodes, ++i);
lubomir@307	394	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	395	break;
lubomir@281	396	}
lubomir@281	397	case opc_fstore: {
lubomir@281	398	final int indx = readByte(byteCodes, ++i);
lubomir@307	399	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	400	break;
lubomir@281	401	}
lubomir@281	402	case opc_dstore: {
lubomir@281	403	final int indx = readByte(byteCodes, ++i);
lubomir@307	404	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	405	break;
lubomir@281	406	}
jaroslav@151	407	case opc_astore: {
jtulach@128	408	final int indx = readByte(byteCodes, ++i);
lubomir@307	409	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	410	break;
jaroslav@31	411	}
jaroslav@151	412	case opc_astore_0:
lubomir@307	413	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	414	break;
jaroslav@151	415	case opc_istore_0:
lubomir@307	416	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	417	break;
jaroslav@151	418	case opc_lstore_0:
lubomir@307	419	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	420	break;
jaroslav@151	421	case opc_fstore_0:
lubomir@307	422	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	423	break;
jaroslav@151	424	case opc_dstore_0:
lubomir@307	425	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	426	break;
jaroslav@151	427	case opc_astore_1:
lubomir@307	428	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	429	break;
jaroslav@151	430	case opc_istore_1:
lubomir@307	431	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	432	break;
jaroslav@151	433	case opc_lstore_1:
lubomir@307	434	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	435	break;
jaroslav@151	436	case opc_fstore_1:
lubomir@307	437	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	438	break;
jaroslav@151	439	case opc_dstore_1:
lubomir@307	440	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	441	break;
jaroslav@151	442	case opc_astore_2:
lubomir@307	443	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	444	break;
jaroslav@151	445	case opc_istore_2:
lubomir@307	446	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	447	break;
jaroslav@151	448	case opc_lstore_2:
lubomir@307	449	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	450	break;
jaroslav@151	451	case opc_fstore_2:
lubomir@307	452	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	453	break;
jaroslav@151	454	case opc_dstore_2:
lubomir@307	455	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	456	break;
jaroslav@151	457	case opc_astore_3:
lubomir@307	458	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	459	break;
jaroslav@151	460	case opc_istore_3:
lubomir@307	461	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	462	break;
jaroslav@151	463	case opc_lstore_3:
lubomir@307	464	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	465	break;
jaroslav@151	466	case opc_fstore_3:
lubomir@307	467	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	468	break;
jaroslav@151	469	case opc_dstore_3:
lubomir@307	470	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	471	break;
jaroslav@151	472	case opc_iadd:
lubomir@307	473	emit(out, "@1 += @2;", smapper.getI(1), smapper.popI());
lubomir@281	474	break;
jaroslav@151	475	case opc_ladd:
lubomir@307	476	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	477	break;
jaroslav@151	478	case opc_fadd:
lubomir@307	479	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	480	break;
jaroslav@151	481	case opc_dadd:
lubomir@307	482	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	483	break;
jaroslav@151	484	case opc_isub:
lubomir@307	485	emit(out, "@1 -= @2;", smapper.getI(1), smapper.popI());
lubomir@281	486	break;
jaroslav@151	487	case opc_lsub:
lubomir@307	488	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	489	break;
jaroslav@151	490	case opc_fsub:
lubomir@307	491	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	492	break;
jaroslav@151	493	case opc_dsub:
lubomir@307	494	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	495	break;
jaroslav@151	496	case opc_imul:
lubomir@307	497	emit(out, "@1 *= @2;", smapper.getI(1), smapper.popI());
lubomir@281	498	break;
jaroslav@151	499	case opc_lmul:
lubomir@307	500	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	501	break;
jaroslav@151	502	case opc_fmul:
lubomir@307	503	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	504	break;
jaroslav@151	505	case opc_dmul:
lubomir@307	506	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	507	break;
jaroslav@151	508	case opc_idiv:
lubomir@283	509	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	510	smapper.getI(1), smapper.popI());
lubomir@281	511	break;
jaroslav@151	512	case opc_ldiv:
lubomir@283	513	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	514	smapper.getL(1), smapper.popL());
jaroslav@3	515	break;
jaroslav@151	516	case opc_fdiv:
lubomir@307	517	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	518	break;
jaroslav@151	519	case opc_ddiv:
lubomir@307	520	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	521	break;
jaroslav@178	522	case opc_irem:
lubomir@307	523	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	524	break;
jaroslav@178	525	case opc_lrem:
lubomir@307	526	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	527	break;
jaroslav@178	528	case opc_frem:
lubomir@307	529	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	530	break;
jaroslav@178	531	case opc_drem:
lubomir@307	532	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	533	break;
jaroslav@151	534	case opc_iand:
lubomir@307	535	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	536	break;
jaroslav@151	537	case opc_land:
lubomir@307	538	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	539	break;
jaroslav@151	540	case opc_ior:
lubomir@307	541	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	542	break;
jaroslav@151	543	case opc_lor:
lubomir@307	544	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	545	break;
jaroslav@151	546	case opc_ixor:
lubomir@307	547	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	548	break;
jaroslav@151	549	case opc_lxor:
lubomir@307	550	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	551	break;
jaroslav@151	552	case opc_ineg:
lubomir@307	553	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	554	break;
jaroslav@151	555	case opc_lneg:
lubomir@307	556	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	557	break;
jaroslav@151	558	case opc_fneg:
lubomir@307	559	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	560	break;
jaroslav@151	561	case opc_dneg:
lubomir@307	562	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	563	break;
jaroslav@151	564	case opc_ishl:
lubomir@307	565	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	566	break;
jaroslav@151	567	case opc_lshl:
lubomir@307	568	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	569	break;
jaroslav@151	570	case opc_ishr:
lubomir@307	571	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	572	break;
jaroslav@151	573	case opc_lshr:
lubomir@307	574	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	575	break;
jaroslav@151	576	case opc_iushr:
lubomir@307	577	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	578	break;
jaroslav@151	579	case opc_lushr:
lubomir@307	580	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	581	break;
jaroslav@151	582	case opc_iinc: {
jtulach@128	583	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	584	final int incrBy = byteCodes[++i];
jaroslav@5	585	if (incrBy == 1) {
lubomir@307	586	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	587	} else {
lubomir@307	588	emit(out, "@1 += @2;",
lubomir@307	589	lmapper.getI(varIndx),
lubomir@283	590	Integer.toString(incrBy));
jaroslav@5	591	}
jaroslav@5	592	break;
jaroslav@5	593	}
jaroslav@151	594	case opc_return:
lubomir@283	595	emit(out, "return;");
jaroslav@10	596	break;
jaroslav@151	597	case opc_ireturn:
lubomir@307	598	emit(out, "return @1;", smapper.popI());
lubomir@281	599	break;
jaroslav@151	600	case opc_lreturn:
lubomir@307	601	emit(out, "return @1;", smapper.popL());
lubomir@281	602	break;
jaroslav@151	603	case opc_freturn:
lubomir@307	604	emit(out, "return @1;", smapper.popF());
lubomir@281	605	break;
jaroslav@151	606	case opc_dreturn:
lubomir@307	607	emit(out, "return @1;", smapper.popD());
lubomir@281	608	break;
jaroslav@151	609	case opc_areturn:
lubomir@307	610	emit(out, "return @1;", smapper.popA());
jaroslav@1	611	break;
jaroslav@151	612	case opc_i2l:
lubomir@307	613	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	614	break;
jaroslav@151	615	case opc_i2f:
lubomir@307	616	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	617	break;
jaroslav@151	618	case opc_i2d:
lubomir@307	619	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	620	break;
jaroslav@151	621	case opc_l2i:
lubomir@307	622	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	623	break;
jaroslav@3	624	// max int check?
jaroslav@151	625	case opc_l2f:
lubomir@307	626	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	627	break;
jaroslav@151	628	case opc_l2d:
lubomir@307	629	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	630	break;
jaroslav@151	631	case opc_f2d:
lubomir@307	632	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	633	break;
jaroslav@151	634	case opc_d2f:
lubomir@307	635	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	636	break;
jaroslav@151	637	case opc_f2i:
lubomir@283	638	emit(out, "@2 = Math.floor(@1);",
lubomir@307	639	smapper.popF(), smapper.pushI());
lubomir@281	640	break;
jaroslav@151	641	case opc_f2l:
lubomir@283	642	emit(out, "@2 = Math.floor(@1);",
lubomir@307	643	smapper.popF(), smapper.pushL());
lubomir@281	644	break;
jaroslav@151	645	case opc_d2i:
lubomir@283	646	emit(out, "@2 = Math.floor(@1);",
lubomir@307	647	smapper.popD(), smapper.pushI());
lubomir@281	648	break;
jaroslav@151	649	case opc_d2l:
lubomir@283	650	emit(out, "@2 = Math.floor(@1);",
lubomir@307	651	smapper.popD(), smapper.pushL());
jaroslav@3	652	break;
jaroslav@151	653	case opc_i2b:
jaroslav@151	654	case opc_i2c:
jaroslav@151	655	case opc_i2s:
jaroslav@337	656	out.append("{ /* number conversion */ }");
jaroslav@2	657	break;
jaroslav@151	658	case opc_aconst_null:
lubomir@307	659	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	660	break;
jaroslav@151	661	case opc_iconst_m1:
lubomir@307	662	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	663	break;
jaroslav@151	664	case opc_iconst_0:
lubomir@307	665	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	666	break;
jaroslav@151	667	case opc_dconst_0:
lubomir@307	668	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	669	break;
jaroslav@151	670	case opc_lconst_0:
lubomir@307	671	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	672	break;
jaroslav@151	673	case opc_fconst_0:
lubomir@307	674	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	675	break;
jaroslav@151	676	case opc_iconst_1:
lubomir@307	677	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	678	break;
jaroslav@151	679	case opc_lconst_1:
lubomir@307	680	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	681	break;
jaroslav@151	682	case opc_fconst_1:
lubomir@307	683	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	684	break;
jaroslav@151	685	case opc_dconst_1:
lubomir@307	686	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	687	break;
jaroslav@151	688	case opc_iconst_2:
lubomir@307	689	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	690	break;
jaroslav@151	691	case opc_fconst_2:
lubomir@307	692	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	693	break;
jaroslav@151	694	case opc_iconst_3:
lubomir@307	695	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	696	break;
jaroslav@151	697	case opc_iconst_4:
lubomir@307	698	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	699	break;
jaroslav@151	700	case opc_iconst_5:
lubomir@307	701	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	702	break;
jaroslav@151	703	case opc_ldc: {
jtulach@128	704	int indx = readByte(byteCodes, ++i);
jaroslav@151	705	String v = encodeConstant(indx);
lubomir@307	706	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	707	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@20	708	break;
jaroslav@20	709	}
jaroslav@151	710	case opc_ldc_w:
jaroslav@151	711	case opc_ldc2_w: {
jaroslav@8	712	int indx = readIntArg(byteCodes, i);
jaroslav@8	713	i += 2;
jaroslav@151	714	String v = encodeConstant(indx);
lubomir@307	715	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	716	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8	717	break;
jaroslav@8	718	}
jaroslav@151	719	case opc_lcmp:
lubomir@283	720	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	721	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	722	break;
jaroslav@151	723	case opc_fcmpl:
jaroslav@151	724	case opc_fcmpg:
lubomir@283	725	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	726	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	727	break;
jaroslav@151	728	case opc_dcmpl:
lubomir@281	729	case opc_dcmpg:
lubomir@283	730	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	731	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	732	break;
jaroslav@151	733	case opc_if_acmpeq:
lubomir@307	734	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	735	"===");
jaroslav@104	736	break;
jaroslav@151	737	case opc_if_acmpne:
lubomir@307	738	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	739	"!=");
jaroslav@104	740	break;
lubomir@283	741	case opc_if_icmpeq:
lubomir@307	742	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	743	"==");
jaroslav@4	744	break;
jaroslav@151	745	case opc_ifeq: {
jaroslav@7	746	int indx = i + readIntArg(byteCodes, i);
lubomir@283	747	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	748	smapper.popI(), Integer.toString(indx));
jaroslav@7	749	i += 2;
jaroslav@7	750	break;
jaroslav@7	751	}
jaroslav@151	752	case opc_ifne: {
jaroslav@20	753	int indx = i + readIntArg(byteCodes, i);
lubomir@283	754	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	755	smapper.popI(), Integer.toString(indx));
jaroslav@20	756	i += 2;
jaroslav@20	757	break;
jaroslav@20	758	}
jaroslav@151	759	case opc_iflt: {
jaroslav@20	760	int indx = i + readIntArg(byteCodes, i);
lubomir@283	761	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	762	smapper.popI(), Integer.toString(indx));
jaroslav@20	763	i += 2;
jaroslav@20	764	break;
jaroslav@20	765	}
jaroslav@151	766	case opc_ifle: {
jaroslav@20	767	int indx = i + readIntArg(byteCodes, i);
lubomir@283	768	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	769	smapper.popI(), Integer.toString(indx));
jaroslav@20	770	i += 2;
jaroslav@20	771	break;
jaroslav@20	772	}
jaroslav@151	773	case opc_ifgt: {
jaroslav@20	774	int indx = i + readIntArg(byteCodes, i);
lubomir@283	775	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	776	smapper.popI(), Integer.toString(indx));
jaroslav@20	777	i += 2;
jaroslav@20	778	break;
jaroslav@20	779	}
jaroslav@151	780	case opc_ifge: {
jaroslav@20	781	int indx = i + readIntArg(byteCodes, i);
lubomir@283	782	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	783	smapper.popI(), Integer.toString(indx));
jaroslav@20	784	i += 2;
jaroslav@20	785	break;
jaroslav@20	786	}
jaroslav@151	787	case opc_ifnonnull: {
jaroslav@16	788	int indx = i + readIntArg(byteCodes, i);
lubomir@283	789	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	790	smapper.popA(), Integer.toString(indx));
jaroslav@16	791	i += 2;
jaroslav@16	792	break;
jaroslav@16	793	}
jaroslav@151	794	case opc_ifnull: {
jaroslav@16	795	int indx = i + readIntArg(byteCodes, i);
lubomir@283	796	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	797	smapper.popA(), Integer.toString(indx));
jaroslav@16	798	i += 2;
jaroslav@16	799	break;
jaroslav@16	800	}
jaroslav@151	801	case opc_if_icmpne:
lubomir@307	802	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	803	"!=");
jaroslav@4	804	break;
jaroslav@151	805	case opc_if_icmplt:
lubomir@307	806	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	807	"<");
jaroslav@4	808	break;
jaroslav@151	809	case opc_if_icmple:
lubomir@307	810	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	811	"<=");
jaroslav@4	812	break;
jaroslav@151	813	case opc_if_icmpgt:
lubomir@307	814	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	815	">");
jaroslav@4	816	break;
jaroslav@151	817	case opc_if_icmpge:
lubomir@307	818	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	819	">=");
jaroslav@4	820	break;
jaroslav@151	821	case opc_goto: {
jaroslav@5	822	int indx = i + readIntArg(byteCodes, i);
lubomir@283	823	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	824	i += 2;
jaroslav@5	825	break;
jaroslav@5	826	}
jaroslav@151	827	case opc_lookupswitch: {
jtulach@128	828	int table = i / 4 * 4 + 4;
jaroslav@115	829	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	830	table += 4;
jaroslav@115	831	int n = readInt4(byteCodes, table);
jaroslav@115	832	table += 4;
lubomir@307	833	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	834	while (n-- > 0) {
jaroslav@115	835	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	836	table += 4;
jaroslav@115	837	int offset = i + readInt4(byteCodes, table);
jaroslav@115	838	table += 4;
jaroslav@115	839	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	840	}
jaroslav@115	841	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	842	i = table - 1;
jaroslav@115	843	break;
jaroslav@115	844	}
jaroslav@151	845	case opc_tableswitch: {
jtulach@128	846	int table = i / 4 * 4 + 4;
jaroslav@115	847	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	848	table += 4;
jaroslav@115	849	int low = readInt4(byteCodes, table);
jaroslav@115	850	table += 4;
jaroslav@115	851	int high = readInt4(byteCodes, table);
jaroslav@115	852	table += 4;
lubomir@307	853	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	854	while (low <= high) {
jaroslav@115	855	int offset = i + readInt4(byteCodes, table);
jaroslav@115	856	table += 4;
jaroslav@115	857	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	858	low++;
jaroslav@115	859	}
jaroslav@115	860	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	861	i = table - 1;
jaroslav@115	862	break;
jaroslav@115	863	}
jaroslav@151	864	case opc_invokeinterface: {
lubomir@307	865	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	866	break;
jaroslav@46	867	}
jaroslav@151	868	case opc_invokevirtual:
lubomir@307	869	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	870	break;
jaroslav@151	871	case opc_invokespecial:
lubomir@307	872	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	873	break;
jaroslav@151	874	case opc_invokestatic:
lubomir@307	875	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	876	break;
jaroslav@151	877	case opc_new: {
jaroslav@8	878	int indx = readIntArg(byteCodes, i);
jaroslav@151	879	String ci = jc.getClassName(indx);
lubomir@283	880	emit(out, "@1 = new @2;",
lubomir@317	881	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	882	addReference(ci);
jaroslav@8	883	i += 2;
jaroslav@8	884	break;
jaroslav@8	885	}
lubomir@283	886	case opc_newarray:
lubomir@221	887	++i; // skip type of array
lubomir@283	888	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	889	smapper.popI(), smapper.pushA());
jaroslav@21	890	break;
lubomir@283	891	case opc_anewarray:
jaroslav@21	892	i += 2; // skip type of array
lubomir@283	893	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	894	smapper.popI(), smapper.pushA());
jaroslav@21	895	break;
jaroslav@151	896	case opc_multianewarray: {
jtulach@128	897	i += 2;
jtulach@128	898	int dim = readByte(byteCodes, ++i);
lubomir@307	899	out.append("{ var a0 = new Array(").append(smapper.popI())
lubomir@221	900	.append(").fillNulls();");
jtulach@128	901	for (int d = 1; d < dim; d++) {
lubomir@221	902	out.append("\n var l" + d).append(" = ")
lubomir@307	903	.append(smapper.popI()).append(';');
jtulach@128	904	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	905	append(" < a" + (d - 1)).
jtulach@128	906	append(".length; i" + d).append("++) {");
jtulach@128	907	out.append("\n var a" + d).
jaroslav@172	908	append (" = new Array(l" + d).append(").fillNulls();");
jtulach@128	909	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	910	append(";");
jtulach@128	911	}
jtulach@128	912	for (int d = 1; d < dim; d++) {
jtulach@128	913	out.append("\n }");
jtulach@128	914	}
lubomir@307	915	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	916	break;
jtulach@128	917	}
jaroslav@151	918	case opc_arraylength:
lubomir@307	919	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	920	break;
lubomir@283	921	case opc_lastore:
lubomir@283	922	emit(out, "@3[@2] = @1;",
lubomir@307	923	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	924	break;
lubomir@283	925	case opc_fastore:
lubomir@283	926	emit(out, "@3[@2] = @1;",
lubomir@307	927	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	928	break;
lubomir@283	929	case opc_dastore:
lubomir@283	930	emit(out, "@3[@2] = @1;",
lubomir@307	931	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	932	break;
lubomir@283	933	case opc_aastore:
lubomir@283	934	emit(out, "@3[@2] = @1;",
lubomir@307	935	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	936	break;
jaroslav@151	937	case opc_iastore:
jaroslav@151	938	case opc_bastore:
jaroslav@151	939	case opc_castore:
lubomir@283	940	case opc_sastore:
lubomir@283	941	emit(out, "@3[@2] = @1;",
lubomir@307	942	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	943	break;
lubomir@283	944	case opc_laload:
lubomir@283	945	emit(out, "@3 = @2[@1];",
lubomir@307	946	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	947	break;
lubomir@283	948	case opc_faload:
lubomir@283	949	emit(out, "@3 = @2[@1];",
lubomir@307	950	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	951	break;
lubomir@283	952	case opc_daload:
lubomir@283	953	emit(out, "@3 = @2[@1];",
lubomir@307	954	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	955	break;
lubomir@283	956	case opc_aaload:
lubomir@283	957	emit(out, "@3 = @2[@1];",
lubomir@307	958	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	959	break;
jaroslav@272	960	case opc_iaload:
jaroslav@272	961	case opc_baload:
jaroslav@272	962	case opc_caload:
lubomir@283	963	case opc_saload:
lubomir@283	964	emit(out, "@3 = @2[@1];",
lubomir@307	965	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	966	break;
lubomir@221	967	case opc_pop:
jaroslav@272	968	case opc_pop2:
lubomir@307	969	smapper.pop(1);
lubomir@221	970	out.append("/* pop */");
jaroslav@272	971	break;
lubomir@281	972	case opc_dup: {
lubomir@307	973	final Variable v = smapper.get(0);
lubomir@307	974	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	975	break;
jaroslav@21	976	}
lubomir@281	977	case opc_dup2: {
lubomir@307	978	if (smapper.get(0).isCategory2()) {
lubomir@307	979	final Variable v = smapper.get(0);
lubomir@307	980	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	981	} else {
lubomir@307	982	final Variable v1 = smapper.get(0);
lubomir@307	983	final Variable v2 = smapper.get(1);
lubomir@283	984	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	985	smapper.pushT(v2.getType()), v2,
lubomir@307	986	smapper.pushT(v1.getType()), v1);
lubomir@281	987	}
jaroslav@21	988	break;
jaroslav@21	989	}
lubomir@281	990	case opc_dup_x1: {
lubomir@307	991	final Variable vi1 = smapper.pop();
lubomir@307	992	final Variable vi2 = smapper.pop();
lubomir@307	993	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	994	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	995	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	996
lubomir@283	997	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	998	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	999	break;
lubomir@281	1000	}
lubomir@281	1001	case opc_dup_x2: {
lubomir@307	1002	if (smapper.get(1).isCategory2()) {
lubomir@307	1003	final Variable vi1 = smapper.pop();
lubomir@307	1004	final Variable vi2 = smapper.pop();
lubomir@307	1005	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1006	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1007	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1008
lubomir@283	1009	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1010	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1011	} else {
lubomir@307	1012	final Variable vi1 = smapper.pop();
lubomir@307	1013	final Variable vi2 = smapper.pop();
lubomir@307	1014	final Variable vi3 = smapper.pop();
lubomir@307	1015	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1016	final Variable vo3 = smapper.pushT(vi3.getType());
lubomir@307	1017	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1018	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1019
lubomir@283	1020	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; @7 = @8; }",
lubomir@283	1021	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1022	}
jaroslav@8	1023	break;
lubomir@281	1024	}
jaroslav@151	1025	case opc_bipush:
lubomir@283	1026	emit(out, "@1 = @2;",
lubomir@307	1027	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1028	break;
jaroslav@151	1029	case opc_sipush:
lubomir@283	1030	emit(out, "@1 = @2;",
lubomir@307	1031	smapper.pushI(),
lubomir@283	1032	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1033	i += 2;
jaroslav@31	1034	break;
jaroslav@151	1035	case opc_getfield: {
jaroslav@8	1036	int indx = readIntArg(byteCodes, i);
jaroslav@151	1037	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1038	final int type = VarType.fromFieldType(fi[2].charAt(0));
lubomir@283	1039	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1040	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1041	i += 2;
jaroslav@8	1042	break;
jaroslav@8	1043	}
jaroslav@151	1044	case opc_getstatic: {
jaroslav@9	1045	int indx = readIntArg(byteCodes, i);
jaroslav@151	1046	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1047	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1048	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1049	smapper.pushT(type),
lubomir@317	1050	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1051	i += 2;
jaroslav@151	1052	addReference(fi[0]);
jaroslav@9	1053	break;
jaroslav@9	1054	}
jaroslav@151	1055	case opc_putfield: {
jaroslav@10	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.fld_@3 = @1;",
lubomir@307	1060	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1061	i += 2;
jaroslav@10	1062	break;
jaroslav@10	1063	}
lubomir@281	1064	case opc_putstatic: {
lubomir@281	1065	int indx = readIntArg(byteCodes, i);
lubomir@281	1066	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1067	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1068	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1069	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1070	smapper.popT(type));
lubomir@281	1071	i += 2;
lubomir@281	1072	addReference(fi[0]);
lubomir@281	1073	break;
lubomir@281	1074	}
jaroslav@151	1075	case opc_checkcast: {
jaroslav@30	1076	int indx = readIntArg(byteCodes, i);
jaroslav@151	1077	final String type = jc.getClassName(indx);
jaroslav@42	1078	if (!type.startsWith("[")) {
jaroslav@42	1079	// no way to check arrays right now
lubomir@283	1080	// XXX proper exception
lubomir@317	1081	emit(out,
lubomir@317	1082	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1083	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1084	}
jaroslav@30	1085	i += 2;
jaroslav@30	1086	break;
jaroslav@30	1087	}
jaroslav@151	1088	case opc_instanceof: {
jaroslav@17	1089	int indx = readIntArg(byteCodes, i);
jaroslav@151	1090	final String type = jc.getClassName(indx);
lubomir@283	1091	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1092	smapper.popA(), smapper.pushI(),
lubomir@317	1093	type.replace('/', '_'));
jaroslav@17	1094	i += 2;
jaroslav@30	1095	break;
jaroslav@17	1096	}
jaroslav@151	1097	case opc_athrow: {
lubomir@307	1098	final Variable v = smapper.popA();
lubomir@307	1099	smapper.clear();
lubomir@281	1100
lubomir@283	1101	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1102	smapper.pushA(), v);
jaroslav@104	1103	break;
jaroslav@104	1104	}
lubomir@221	1105
lubomir@221	1106	case opc_monitorenter: {
lubomir@221	1107	out.append("/* monitor enter */");
lubomir@307	1108	smapper.popA();
lubomir@221	1109	break;
lubomir@221	1110	}
lubomir@221	1111
lubomir@221	1112	case opc_monitorexit: {
lubomir@221	1113	out.append("/* monitor exit */");
lubomir@307	1114	smapper.popA();
lubomir@221	1115	break;
lubomir@221	1116	}
lubomir@221	1117
jaroslav@104	1118	default: {
lubomir@283	1119	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1120	Integer.toString(c));
jaroslav@104	1121	}
jaroslav@0	1122	}
jaroslav@288	1123	if (trap.useTry()) {
tzezula@285	1124	out.append("} catch (e) {");
jaroslav@288	1125	for (TrapData e : trap.current()) {
jaroslav@289	1126	if (e == null) {
jaroslav@289	1127	break;
jaroslav@289	1128	}
tzezula@287	1129	if (e.catch_cpx != 0) { //not finally
tzezula@287	1130	final String classInternalName = jc.getClassName(e.catch_cpx);
tzezula@285	1131	addReference(classInternalName);
tzezula@285	1132	out.append("if (e.$instOf_"+classInternalName.replace('/', '_')+") {");
jaroslav@397	1133	out.append("gt="+e.handler_pc+"; stA0 = e; continue;");
tzezula@285	1134	out.append("} ");
tzezula@285	1135	} else {
tzezula@285	1136	//finally - todo
tzezula@285	1137	}
tzezula@285	1138	}
tzezula@285	1139	out.append("throw e;");
tzezula@285	1140	out.append("}");
tzezula@285	1141	}
jaroslav@39	1142	out.append(" //");
jaroslav@0	1143	for (int j = prev; j <= i; j++) {
jaroslav@0	1144	out.append(" ");
jtulach@128	1145	final int cc = readByte(byteCodes, j);
jaroslav@0	1146	out.append(Integer.toString(cc));
jaroslav@0	1147	}
tzezula@285	1148	out.append("\n");
jaroslav@0	1149	}
jaroslav@10	1150	out.append(" }\n");
lubomir@307	1151	out.append("};");
jaroslav@4	1152	}
jaroslav@4	1153
lubomir@281	1154	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1155	final Variable v2, final Variable v1,
lubomir@281	1156	final String test) throws IOException {
jaroslav@4	1157	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1158	out.append("if (").append(v1)
lubomir@221	1159	.append(' ').append(test).append(' ')
lubomir@281	1160	.append(v2).append(") { gt = " + indx)
lubomir@221	1161	.append("; continue; }");
jaroslav@4	1162	return i + 2;
jaroslav@4	1163	}
jaroslav@4	1164
jaroslav@4	1165	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1166	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1167	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1168	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1169	}
jaroslav@115	1170	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1171	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1172	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1173	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1174	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1175	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1176	}
jtulach@128	1177	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1178	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1179	}
jaroslav@4	1180
lubomir@281	1181	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1182	int i = 0;
jaroslav@4	1183	Boolean count = null;
jaroslav@32	1184	boolean array = false;
jaroslav@248	1185	sig.append("__");
jaroslav@10	1186	int firstPos = sig.length();
jaroslav@4	1187	while (i < descriptor.length()) {
jaroslav@4	1188	char ch = descriptor.charAt(i++);
jaroslav@4	1189	switch (ch) {
jaroslav@4	1190	case '(':
jaroslav@4	1191	count = true;
jaroslav@4	1192	continue;
jaroslav@4	1193	case ')':
jaroslav@4	1194	count = false;
jaroslav@4	1195	continue;
jaroslav@4	1196	case 'B':
jaroslav@4	1197	case 'C':
jaroslav@4	1198	case 'D':
jaroslav@4	1199	case 'F':
jaroslav@4	1200	case 'I':
jaroslav@4	1201	case 'J':
jaroslav@4	1202	case 'S':
jaroslav@4	1203	case 'Z':
jaroslav@4	1204	if (count) {
jaroslav@32	1205	if (array) {
jaroslav@248	1206	sig.append("_3");
jaroslav@32	1207	}
jaroslav@4	1208	sig.append(ch);
jtulach@156	1209	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1210	cnt.append('1');
jtulach@156	1211	} else {
jtulach@156	1212	cnt.append('0');
jtulach@156	1213	}
jaroslav@4	1214	} else {
jaroslav@10	1215	sig.insert(firstPos, ch);
jaroslav@32	1216	if (array) {
lubomir@281	1217	returnType[0] = '[';
jaroslav@248	1218	sig.insert(firstPos, "_3");
lubomir@281	1219	} else {
lubomir@281	1220	returnType[0] = ch;
jaroslav@32	1221	}
jaroslav@4	1222	}
jaroslav@93	1223	array = false;
jaroslav@4	1224	continue;
jaroslav@4	1225	case 'V':
jaroslav@4	1226	assert !count;
lubomir@281	1227	returnType[0] = 'V';
jaroslav@10	1228	sig.insert(firstPos, 'V');
jaroslav@4	1229	continue;
jaroslav@4	1230	case 'L':
jaroslav@16	1231	int next = descriptor.indexOf(';', i);
jaroslav@248	1232	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1233	if (count) {
jaroslav@32	1234	if (array) {
jaroslav@248	1235	sig.append("_3");
jaroslav@32	1236	}
jaroslav@248	1237	sig.append(realSig);
jtulach@156	1238	cnt.append('0');
jaroslav@4	1239	} else {
jaroslav@248	1240	sig.insert(firstPos, realSig);
jaroslav@32	1241	if (array) {
jaroslav@248	1242	sig.insert(firstPos, "_3");
jaroslav@32	1243	}
lubomir@281	1244	returnType[0] = 'L';
jaroslav@4	1245	}
jaroslav@16	1246	i = next + 1;
jaroslav@4	1247	continue;
jaroslav@4	1248	case '[':
jaroslav@248	1249	array = true;
jaroslav@4	1250	continue;
jaroslav@4	1251	default:
jaroslav@248	1252	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1253	}
jaroslav@4	1254	}
jaroslav@0	1255	}
jaroslav@248	1256
jaroslav@248	1257	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1258	StringBuilder sb = new StringBuilder();
jaroslav@248	1259	for (int i = first; i < last; i++) {
jaroslav@248	1260	final char ch = txt.charAt(i);
jaroslav@248	1261	switch (ch) {
jaroslav@248	1262	case '/': sb.append('_'); break;
jaroslav@248	1263	case '_': sb.append("_1"); break;
jaroslav@248	1264	case ';': sb.append("_2"); break;
jaroslav@248	1265	case '[': sb.append("_3"); break;
jaroslav@248	1266	default: sb.append(ch); break;
jaroslav@248	1267	}
jaroslav@248	1268	}
jaroslav@248	1269	return sb.toString();
jaroslav@248	1270	}
jaroslav@9	1271
jaroslav@248	1272	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1273	StringBuilder name = new StringBuilder();
jaroslav@10	1274	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1275	name.append("cons"); // NOI18N
jaroslav@19	1276	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1277	name.append("class"); // NOI18N
jaroslav@10	1278	} else {
jaroslav@42	1279	name.append(m.getName());
jaroslav@10	1280	}
jaroslav@42	1281
lubomir@282	1282	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1283	return name.toString();
jaroslav@10	1284	}
jaroslav@10	1285
lubomir@282	1286	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1287	StringBuilder name = new StringBuilder();
jaroslav@151	1288	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1289	String nm= mi[1];
jaroslav@151	1290	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1291	name.append("cons"); // NOI18N
jaroslav@10	1292	} else {
jaroslav@151	1293	name.append(nm);
jaroslav@10	1294	}
lubomir@282	1295	countArgs(descr, returnType, name, cnt);
jaroslav@10	1296	return name.toString();
jaroslav@10	1297	}
jaroslav@10	1298
lubomir@307	1299	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1300	throws IOException {
jaroslav@10	1301	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1302	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1303	char[] returnType = { 'V' };
jtulach@156	1304	StringBuilder cnt = new StringBuilder();
lubomir@281	1305	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1306
lubomir@221	1307	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1308	final Variable[] vars = new Variable[numArguments];
lubomir@221	1309
lubomir@281	1310	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1311	vars[j] = mapper.pop();
jaroslav@11	1312	}
lubomir@281	1313
lubomir@281	1314	if (returnType[0] != 'V') {
lubomir@307	1315	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1316	.append(" = ");
jaroslav@10	1317	}
lubomir@221	1318
jaroslav@151	1319	final String in = mi[0];
jaroslav@274	1320	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1321	out.append("(false).");
jaroslav@397	1322	if (mn.startsWith("cons_")) {
jaroslav@397	1323	out.append("constructor.");
jaroslav@397	1324	}
jaroslav@10	1325	out.append(mn);
jaroslav@10	1326	out.append('(');
lubomir@221	1327	if (numArguments > 0) {
lubomir@281	1328	out.append(vars[0]);
lubomir@281	1329	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1330	out.append(", ");
lubomir@281	1331	out.append(vars[j]);
lubomir@221	1332	}
jaroslav@10	1333	}
lubomir@221	1334	out.append(");");
jaroslav@10	1335	i += 2;
jaroslav@18	1336	addReference(in);
jaroslav@10	1337	return i;
jaroslav@10	1338	}
lubomir@307	1339	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1340	throws IOException {
jaroslav@12	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@281	1347	final int numArguments = 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@12	1352	}
lubomir@221	1353
lubomir@281	1354	if (returnType[0] != 'V') {
lubomir@307	1355	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1356	.append(" = ");
jaroslav@12	1357	}
lubomir@281	1358
lubomir@281	1359	out.append(vars[0]).append('.');
jaroslav@12	1360	out.append(mn);
jaroslav@12	1361	out.append('(');
lubomir@281	1362	out.append(vars[0]);
lubomir@281	1363	for (int j = 1; j < numArguments; ++j) {
jaroslav@12	1364	out.append(", ");
lubomir@281	1365	out.append(vars[j]);
jaroslav@12	1366	}
lubomir@221	1367	out.append(");");
jaroslav@12	1368	i += 2;
jaroslav@12	1369	return i;
jaroslav@12	1370	}
lubomir@221	1371
jaroslav@103	1372	private void addReference(String cn) throws IOException {
jtulach@162	1373	if (requireReference(cn)) {
jtulach@162	1374	out.append(" /* needs ").append(cn).append(" */");
jaroslav@18	1375	}
jaroslav@18	1376	}
jaroslav@16	1377
jaroslav@33	1378	private void outType(String d, StringBuilder out) {
jaroslav@33	1379	int arr = 0;
jaroslav@33	1380	while (d.charAt(0) == '[') {
jaroslav@33	1381	out.append('A');
jaroslav@33	1382	d = d.substring(1);
jaroslav@33	1383	}
jaroslav@16	1384	if (d.charAt(0) == 'L') {
jaroslav@16	1385	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1386	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1387	} else {
jaroslav@16	1388	out.append(d);
jaroslav@16	1389	}
jaroslav@16	1390	}
jaroslav@21	1391
jaroslav@230	1392	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1393	String[] classRef = { null };
jaroslav@230	1394	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1395	if (classRef[0] != null) {
jaroslav@230	1396	addReference(classRef[0]);
jaroslav@274	1397	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1398	}
jaroslav@151	1399	return s;
jaroslav@21	1400	}
jaroslav@32	1401
jaroslav@266	1402	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1403	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1404	if (arr == null) {
jaroslav@266	1405	return null;
jaroslav@152	1406	}
jaroslav@200	1407	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1408	class P extends AnnotationParser {
jaroslav@237	1409	public P() {
jaroslav@237	1410	super(false);
jaroslav@237	1411	}
jaroslav@237	1412
jaroslav@152	1413	int cnt;
jaroslav@152	1414	String[] args = new String[30];
jaroslav@152	1415	String body;
jaroslav@94	1416
jaroslav@152	1417	@Override
jaroslav@236	1418	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1419	if (type.equals(jvmType)) {
jaroslav@152	1420	if ("body".equals(attr)) {
jaroslav@152	1421	body = value;
jaroslav@152	1422	} else if ("args".equals(attr)) {
jaroslav@152	1423	args[cnt++] = value;
jaroslav@152	1424	} else {
jaroslav@152	1425	throw new IllegalArgumentException(attr);
jaroslav@152	1426	}
jaroslav@152	1427	}
jaroslav@94	1428	}
jaroslav@94	1429	}
jaroslav@152	1430	P p = new P();
jaroslav@152	1431	p.parse(arr, jc);
jaroslav@152	1432	if (p.body == null) {
jaroslav@266	1433	return null;
jaroslav@152	1434	}
jtulach@156	1435	StringBuilder cnt = new StringBuilder();
jaroslav@266	1436	final String mn = findMethodName(m, cnt);
jaroslav@266	1437	out.append(prefix).append(mn);
jaroslav@203	1438	out.append(" = function(");
jaroslav@152	1439	String space;
jaroslav@152	1440	int index;
jaroslav@152	1441	if (!isStatic) {
jaroslav@316	1442	space = outputArg(out, p.args, 0);
jaroslav@152	1443	index = 1;
jaroslav@152	1444	} else {
jaroslav@152	1445	space = "";
jaroslav@152	1446	index = 0;
jaroslav@152	1447	}
jtulach@156	1448	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1449	out.append(space);
jaroslav@316	1450	space = outputArg(out, p.args, index);
jaroslav@152	1451	index++;
jaroslav@152	1452	}
jaroslav@152	1453	out.append(") {").append("\n");
jaroslav@152	1454	out.append(p.body);
jaroslav@152	1455	out.append("\n}\n");
jaroslav@266	1456	return mn;
jaroslav@151	1457	}
jaroslav@151	1458	private static String className(ClassData jc) {
jaroslav@151	1459	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1460	return jc.getClassName().replace('/', '_');
jaroslav@94	1461	}
jaroslav@152	1462
jaroslav@152	1463	private static String[] findAnnotation(
jaroslav@152	1464	byte[] arr, ClassData cd, final String className,
jaroslav@152	1465	final String... attrNames
jaroslav@152	1466	) throws IOException {
jaroslav@152	1467	if (arr == null) {
jaroslav@152	1468	return null;
jaroslav@152	1469	}
jaroslav@152	1470	final String[] values = new String[attrNames.length];
jaroslav@152	1471	final boolean[] found = { false };
jaroslav@152	1472	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1473	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1474	@Override
jaroslav@236	1475	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1476	if (type.equals(jvmType)) {
jaroslav@152	1477	found[0] = true;
jaroslav@152	1478	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1479	if (attrNames[i].equals(attr)) {
jaroslav@152	1480	values[i] = value;
jaroslav@152	1481	}
jaroslav@152	1482	}
jaroslav@152	1483	}
jaroslav@152	1484	}
jaroslav@152	1485
jaroslav@152	1486	};
jaroslav@152	1487	ap.parse(arr, cd);
jaroslav@152	1488	return found[0] ? values : null;
jaroslav@152	1489	}
jaroslav@173	1490
jaroslav@173	1491	private CharSequence initField(FieldData v) {
jaroslav@173	1492	final String is = v.getInternalSig();
jaroslav@173	1493	if (is.length() == 1) {
jaroslav@173	1494	switch (is.charAt(0)) {
jaroslav@173	1495	case 'S':
jaroslav@173	1496	case 'J':
jaroslav@173	1497	case 'B':
jaroslav@173	1498	case 'Z':
jaroslav@173	1499	case 'C':
jaroslav@173	1500	case 'I': return " = 0;";
jaroslav@173	1501	case 'F':
jaroslav@180	1502	case 'D': return " = 0.0;";
jaroslav@173	1503	default:
jaroslav@173	1504	throw new IllegalStateException(is);
jaroslav@173	1505	}
jaroslav@173	1506	}
jaroslav@173	1507	return " = null;";
jaroslav@173	1508	}
jaroslav@235	1509
jaroslav@235	1510	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1511	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1512	int anno;
jaroslav@235	1513	int cnt;
jaroslav@235	1514
jaroslav@235	1515	@Override
jaroslav@235	1516	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1517	if (anno++ > 0) {
jaroslav@237	1518	out.append(",");
jaroslav@237	1519	}
jaroslav@235	1520	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1521	cnt = 0;
jaroslav@235	1522	}
jaroslav@235	1523
jaroslav@235	1524	@Override
jaroslav@235	1525	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1526	out.append("\n}\n");
jaroslav@235	1527	}
jaroslav@235	1528
jaroslav@235	1529	@Override
jaroslav@236	1530	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1531	throws IOException {
jaroslav@266	1532	if (attr == null) {
jaroslav@266	1533	return;
jaroslav@266	1534	}
jaroslav@235	1535	if (cnt++ > 0) {
jaroslav@235	1536	out.append(",\n");
jaroslav@235	1537	}
jaroslav@250	1538	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1539	}
jaroslav@235	1540	};
jaroslav@235	1541	ap.parse(data, cd);
jaroslav@235	1542	}
jaroslav@316	1543
jaroslav@316	1544	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1545	final String name = args[indx];
jaroslav@316	1546	if (name == null) {
jaroslav@316	1547	return "";
jaroslav@316	1548	}
jaroslav@316	1549	if (name.contains(",")) {
jaroslav@316	1550	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1551	}
jaroslav@316	1552	out.append(name);
jaroslav@316	1553	return ",";
jaroslav@316	1554	}
lubomir@317	1555
lubomir@283	1556	private static void emit(final Appendable out,
lubomir@283	1557	final String format,
lubomir@283	1558	final CharSequence... params) throws IOException {
lubomir@283	1559	final int length = format.length();
lubomir@283	1560
lubomir@283	1561	int processed = 0;
lubomir@283	1562	int paramOffset = format.indexOf('@');
lubomir@283	1563	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1564	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1565	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1566	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1567
lubomir@283	1568	out.append(format, processed, paramOffset);
lubomir@283	1569	out.append(params[paramIndex]);
lubomir@283	1570
lubomir@283	1571	++paramOffset;
lubomir@283	1572	processed = paramOffset + 1;
lubomir@283	1573	}
lubomir@283	1574
lubomir@283	1575	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1576	}
lubomir@283	1577
lubomir@283	1578	out.append(format, processed, length);
lubomir@283	1579	}
jaroslav@0	1580	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Sat, 29 Dec 2012 19:46:09 +0100
changeset 397	2adac52f955e
parent 392	44a5802816be
child 398	945c799a6812
permissions	-rw-r--r--