hg/bck2brwsr: vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java@945c799a6812 (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;
jaroslav@398	283	TrapData[] previousTrap = null;
jaroslav@398	284
jaroslav@10	285	out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
jaroslav@0	286	for (int i = 0; i < byteCodes.length; i++) {
jaroslav@272	287	int prev = i;
lubomir@221	288	stackMapIterator.advanceTo(i);
jaroslav@398	289	boolean changeInCatch = trap.advanceTo(i);
jaroslav@398	290	if (changeInCatch \|\| lastStackFrame != stackMapIterator.getFrameIndex()) {
jaroslav@398	291	if (previousTrap != null) {
jaroslav@398	292	generateCatch(previousTrap);
jaroslav@398	293	previousTrap = null;
jaroslav@398	294	}
jaroslav@398	295	}
lubomir@221	296	if (lastStackFrame != stackMapIterator.getFrameIndex()) {
lubomir@221	297	lastStackFrame = stackMapIterator.getFrameIndex();
lubomir@307	298	lmapper.syncWithFrameLocals(stackMapIterator.getFrameLocals());
lubomir@307	299	smapper.syncWithFrameStack(stackMapIterator.getFrameStack());
jaroslav@376	300	out.append(" case " + i).append(": ");
jaroslav@398	301	changeInCatch = true;
lubomir@221	302	} else {
lubomir@221	303	out.append(" /* " + i).append(" */ ");
lubomir@221	304	}
jaroslav@398	305	if (changeInCatch && trap.useTry()) {
tzezula@285	306	out.append("try {");
jaroslav@398	307	previousTrap = trap.current();
tzezula@285	308	}
jtulach@128	309	final int c = readByte(byteCodes, i);
jaroslav@0	310	switch (c) {
jaroslav@151	311	case opc_aload_0:
lubomir@307	312	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(0));
lubomir@281	313	break;
jaroslav@151	314	case opc_iload_0:
lubomir@307	315	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(0));
lubomir@281	316	break;
jaroslav@151	317	case opc_lload_0:
lubomir@307	318	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(0));
lubomir@281	319	break;
jaroslav@151	320	case opc_fload_0:
lubomir@307	321	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(0));
lubomir@281	322	break;
jaroslav@151	323	case opc_dload_0:
lubomir@307	324	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(0));
jaroslav@0	325	break;
jaroslav@151	326	case opc_aload_1:
lubomir@307	327	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(1));
lubomir@281	328	break;
jaroslav@151	329	case opc_iload_1:
lubomir@307	330	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(1));
lubomir@281	331	break;
jaroslav@151	332	case opc_lload_1:
lubomir@307	333	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(1));
lubomir@281	334	break;
jaroslav@151	335	case opc_fload_1:
lubomir@307	336	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(1));
lubomir@281	337	break;
jaroslav@151	338	case opc_dload_1:
lubomir@307	339	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(1));
jaroslav@0	340	break;
jaroslav@151	341	case opc_aload_2:
lubomir@307	342	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(2));
lubomir@281	343	break;
jaroslav@151	344	case opc_iload_2:
lubomir@307	345	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(2));
lubomir@281	346	break;
jaroslav@151	347	case opc_lload_2:
lubomir@307	348	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(2));
lubomir@281	349	break;
jaroslav@151	350	case opc_fload_2:
lubomir@307	351	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(2));
lubomir@281	352	break;
jaroslav@151	353	case opc_dload_2:
lubomir@307	354	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(2));
jaroslav@2	355	break;
jaroslav@151	356	case opc_aload_3:
lubomir@307	357	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(3));
lubomir@281	358	break;
jaroslav@151	359	case opc_iload_3:
lubomir@307	360	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(3));
lubomir@281	361	break;
jaroslav@151	362	case opc_lload_3:
lubomir@307	363	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(3));
lubomir@281	364	break;
jaroslav@151	365	case opc_fload_3:
lubomir@307	366	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(3));
lubomir@281	367	break;
jaroslav@151	368	case opc_dload_3:
lubomir@307	369	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(3));
jaroslav@3	370	break;
lubomir@281	371	case opc_iload: {
lubomir@281	372	final int indx = readByte(byteCodes, ++i);
lubomir@307	373	emit(out, "@1 = @2;", smapper.pushI(), lmapper.getI(indx));
lubomir@281	374	break;
lubomir@281	375	}
lubomir@281	376	case opc_lload: {
lubomir@281	377	final int indx = readByte(byteCodes, ++i);
lubomir@307	378	emit(out, "@1 = @2;", smapper.pushL(), lmapper.getL(indx));
lubomir@281	379	break;
lubomir@281	380	}
lubomir@281	381	case opc_fload: {
lubomir@281	382	final int indx = readByte(byteCodes, ++i);
lubomir@307	383	emit(out, "@1 = @2;", smapper.pushF(), lmapper.getF(indx));
lubomir@281	384	break;
lubomir@281	385	}
lubomir@281	386	case opc_dload: {
lubomir@281	387	final int indx = readByte(byteCodes, ++i);
lubomir@307	388	emit(out, "@1 = @2;", smapper.pushD(), lmapper.getD(indx));
lubomir@281	389	break;
lubomir@281	390	}
jaroslav@151	391	case opc_aload: {
jtulach@128	392	final int indx = readByte(byteCodes, ++i);
lubomir@307	393	emit(out, "@1 = @2;", smapper.pushA(), lmapper.getA(indx));
jaroslav@3	394	break;
jaroslav@3	395	}
lubomir@281	396	case opc_istore: {
lubomir@281	397	final int indx = readByte(byteCodes, ++i);
lubomir@307	398	emit(out, "@1 = @2;", lmapper.setI(indx), smapper.popI());
lubomir@281	399	break;
lubomir@281	400	}
lubomir@281	401	case opc_lstore: {
lubomir@281	402	final int indx = readByte(byteCodes, ++i);
lubomir@307	403	emit(out, "@1 = @2;", lmapper.setL(indx), smapper.popL());
lubomir@281	404	break;
lubomir@281	405	}
lubomir@281	406	case opc_fstore: {
lubomir@281	407	final int indx = readByte(byteCodes, ++i);
lubomir@307	408	emit(out, "@1 = @2;", lmapper.setF(indx), smapper.popF());
lubomir@281	409	break;
lubomir@281	410	}
lubomir@281	411	case opc_dstore: {
lubomir@281	412	final int indx = readByte(byteCodes, ++i);
lubomir@307	413	emit(out, "@1 = @2;", lmapper.setD(indx), smapper.popD());
lubomir@281	414	break;
lubomir@281	415	}
jaroslav@151	416	case opc_astore: {
jtulach@128	417	final int indx = readByte(byteCodes, ++i);
lubomir@307	418	emit(out, "@1 = @2;", lmapper.setA(indx), smapper.popA());
jaroslav@31	419	break;
jaroslav@31	420	}
jaroslav@151	421	case opc_astore_0:
lubomir@307	422	emit(out, "@1 = @2;", lmapper.setA(0), smapper.popA());
lubomir@281	423	break;
jaroslav@151	424	case opc_istore_0:
lubomir@307	425	emit(out, "@1 = @2;", lmapper.setI(0), smapper.popI());
lubomir@281	426	break;
jaroslav@151	427	case opc_lstore_0:
lubomir@307	428	emit(out, "@1 = @2;", lmapper.setL(0), smapper.popL());
lubomir@281	429	break;
jaroslav@151	430	case opc_fstore_0:
lubomir@307	431	emit(out, "@1 = @2;", lmapper.setF(0), smapper.popF());
lubomir@281	432	break;
jaroslav@151	433	case opc_dstore_0:
lubomir@307	434	emit(out, "@1 = @2;", lmapper.setD(0), smapper.popD());
jaroslav@5	435	break;
jaroslav@151	436	case opc_astore_1:
lubomir@307	437	emit(out, "@1 = @2;", lmapper.setA(1), smapper.popA());
lubomir@281	438	break;
jaroslav@151	439	case opc_istore_1:
lubomir@307	440	emit(out, "@1 = @2;", lmapper.setI(1), smapper.popI());
lubomir@281	441	break;
jaroslav@151	442	case opc_lstore_1:
lubomir@307	443	emit(out, "@1 = @2;", lmapper.setL(1), smapper.popL());
lubomir@281	444	break;
jaroslav@151	445	case opc_fstore_1:
lubomir@307	446	emit(out, "@1 = @2;", lmapper.setF(1), smapper.popF());
lubomir@281	447	break;
jaroslav@151	448	case opc_dstore_1:
lubomir@307	449	emit(out, "@1 = @2;", lmapper.setD(1), smapper.popD());
jaroslav@5	450	break;
jaroslav@151	451	case opc_astore_2:
lubomir@307	452	emit(out, "@1 = @2;", lmapper.setA(2), smapper.popA());
lubomir@281	453	break;
jaroslav@151	454	case opc_istore_2:
lubomir@307	455	emit(out, "@1 = @2;", lmapper.setI(2), smapper.popI());
lubomir@281	456	break;
jaroslav@151	457	case opc_lstore_2:
lubomir@307	458	emit(out, "@1 = @2;", lmapper.setL(2), smapper.popL());
lubomir@281	459	break;
jaroslav@151	460	case opc_fstore_2:
lubomir@307	461	emit(out, "@1 = @2;", lmapper.setF(2), smapper.popF());
lubomir@281	462	break;
jaroslav@151	463	case opc_dstore_2:
lubomir@307	464	emit(out, "@1 = @2;", lmapper.setD(2), smapper.popD());
jaroslav@5	465	break;
jaroslav@151	466	case opc_astore_3:
lubomir@307	467	emit(out, "@1 = @2;", lmapper.setA(3), smapper.popA());
lubomir@281	468	break;
jaroslav@151	469	case opc_istore_3:
lubomir@307	470	emit(out, "@1 = @2;", lmapper.setI(3), smapper.popI());
lubomir@281	471	break;
jaroslav@151	472	case opc_lstore_3:
lubomir@307	473	emit(out, "@1 = @2;", lmapper.setL(3), smapper.popL());
lubomir@281	474	break;
jaroslav@151	475	case opc_fstore_3:
lubomir@307	476	emit(out, "@1 = @2;", lmapper.setF(3), smapper.popF());
lubomir@281	477	break;
jaroslav@151	478	case opc_dstore_3:
lubomir@307	479	emit(out, "@1 = @2;", lmapper.setD(3), smapper.popD());
jaroslav@5	480	break;
jaroslav@151	481	case opc_iadd:
lubomir@307	482	emit(out, "@1 += @2;", smapper.getI(1), smapper.popI());
lubomir@281	483	break;
jaroslav@151	484	case opc_ladd:
lubomir@307	485	emit(out, "@1 += @2;", smapper.getL(1), smapper.popL());
lubomir@281	486	break;
jaroslav@151	487	case opc_fadd:
lubomir@307	488	emit(out, "@1 += @2;", smapper.getF(1), smapper.popF());
lubomir@281	489	break;
jaroslav@151	490	case opc_dadd:
lubomir@307	491	emit(out, "@1 += @2;", smapper.getD(1), smapper.popD());
jaroslav@0	492	break;
jaroslav@151	493	case opc_isub:
lubomir@307	494	emit(out, "@1 -= @2;", smapper.getI(1), smapper.popI());
lubomir@281	495	break;
jaroslav@151	496	case opc_lsub:
lubomir@307	497	emit(out, "@1 -= @2;", smapper.getL(1), smapper.popL());
lubomir@281	498	break;
jaroslav@151	499	case opc_fsub:
lubomir@307	500	emit(out, "@1 -= @2;", smapper.getF(1), smapper.popF());
lubomir@281	501	break;
jaroslav@151	502	case opc_dsub:
lubomir@307	503	emit(out, "@1 -= @2;", smapper.getD(1), smapper.popD());
jaroslav@2	504	break;
jaroslav@151	505	case opc_imul:
lubomir@307	506	emit(out, "@1 *= @2;", smapper.getI(1), smapper.popI());
lubomir@281	507	break;
jaroslav@151	508	case opc_lmul:
lubomir@307	509	emit(out, "@1 *= @2;", smapper.getL(1), smapper.popL());
lubomir@281	510	break;
jaroslav@151	511	case opc_fmul:
lubomir@307	512	emit(out, "@1 *= @2;", smapper.getF(1), smapper.popF());
lubomir@281	513	break;
jaroslav@151	514	case opc_dmul:
lubomir@307	515	emit(out, "@1 *= @2;", smapper.getD(1), smapper.popD());
jaroslav@1	516	break;
jaroslav@151	517	case opc_idiv:
lubomir@283	518	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	519	smapper.getI(1), smapper.popI());
lubomir@281	520	break;
jaroslav@151	521	case opc_ldiv:
lubomir@283	522	emit(out, "@1 = Math.floor(@1 / @2);",
lubomir@307	523	smapper.getL(1), smapper.popL());
jaroslav@3	524	break;
jaroslav@151	525	case opc_fdiv:
lubomir@307	526	emit(out, "@1 /= @2;", smapper.getF(1), smapper.popF());
lubomir@281	527	break;
jaroslav@151	528	case opc_ddiv:
lubomir@307	529	emit(out, "@1 /= @2;", smapper.getD(1), smapper.popD());
jaroslav@3	530	break;
jaroslav@178	531	case opc_irem:
lubomir@307	532	emit(out, "@1 %= @2;", smapper.getI(1), smapper.popI());
lubomir@281	533	break;
jaroslav@178	534	case opc_lrem:
lubomir@307	535	emit(out, "@1 %= @2;", smapper.getL(1), smapper.popL());
lubomir@281	536	break;
jaroslav@178	537	case opc_frem:
lubomir@307	538	emit(out, "@1 %= @2;", smapper.getF(1), smapper.popF());
lubomir@281	539	break;
jaroslav@178	540	case opc_drem:
lubomir@307	541	emit(out, "@1 %= @2;", smapper.getD(1), smapper.popD());
jaroslav@178	542	break;
jaroslav@151	543	case opc_iand:
lubomir@307	544	emit(out, "@1 &= @2;", smapper.getI(1), smapper.popI());
lubomir@281	545	break;
jaroslav@151	546	case opc_land:
lubomir@307	547	emit(out, "@1 &= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	548	break;
jaroslav@151	549	case opc_ior:
lubomir@307	550	emit(out, "@1 \|= @2;", smapper.getI(1), smapper.popI());
lubomir@281	551	break;
jaroslav@151	552	case opc_lor:
lubomir@307	553	emit(out, "@1 \|= @2;", smapper.getL(1), smapper.popL());
jaroslav@7	554	break;
jaroslav@151	555	case opc_ixor:
lubomir@307	556	emit(out, "@1 ^= @2;", smapper.getI(1), smapper.popI());
lubomir@281	557	break;
jaroslav@151	558	case opc_lxor:
lubomir@307	559	emit(out, "@1 ^= @2;", smapper.getL(1), smapper.popL());
jaroslav@6	560	break;
jaroslav@151	561	case opc_ineg:
lubomir@307	562	emit(out, "@1 = -@1;", smapper.getI(0));
lubomir@281	563	break;
jaroslav@151	564	case opc_lneg:
lubomir@307	565	emit(out, "@1 = -@1;", smapper.getL(0));
lubomir@281	566	break;
jaroslav@151	567	case opc_fneg:
lubomir@307	568	emit(out, "@1 = -@1;", smapper.getF(0));
lubomir@281	569	break;
jaroslav@151	570	case opc_dneg:
lubomir@307	571	emit(out, "@1 = -@1;", smapper.getD(0));
jaroslav@93	572	break;
jaroslav@151	573	case opc_ishl:
lubomir@307	574	emit(out, "@1 <<= @2;", smapper.getI(1), smapper.popI());
lubomir@281	575	break;
jaroslav@151	576	case opc_lshl:
lubomir@307	577	emit(out, "@1 <<= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	578	break;
jaroslav@151	579	case opc_ishr:
lubomir@307	580	emit(out, "@1 >>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	581	break;
jaroslav@151	582	case opc_lshr:
lubomir@307	583	emit(out, "@1 >>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	584	break;
jaroslav@151	585	case opc_iushr:
lubomir@307	586	emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
lubomir@281	587	break;
jaroslav@151	588	case opc_lushr:
lubomir@307	589	emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
jaroslav@93	590	break;
jaroslav@151	591	case opc_iinc: {
jtulach@128	592	final int varIndx = readByte(byteCodes, ++i);
jaroslav@104	593	final int incrBy = byteCodes[++i];
jaroslav@5	594	if (incrBy == 1) {
lubomir@307	595	emit(out, "@1++;", lmapper.getI(varIndx));
jaroslav@5	596	} else {
lubomir@307	597	emit(out, "@1 += @2;",
lubomir@307	598	lmapper.getI(varIndx),
lubomir@283	599	Integer.toString(incrBy));
jaroslav@5	600	}
jaroslav@5	601	break;
jaroslav@5	602	}
jaroslav@151	603	case opc_return:
lubomir@283	604	emit(out, "return;");
jaroslav@10	605	break;
jaroslav@151	606	case opc_ireturn:
lubomir@307	607	emit(out, "return @1;", smapper.popI());
lubomir@281	608	break;
jaroslav@151	609	case opc_lreturn:
lubomir@307	610	emit(out, "return @1;", smapper.popL());
lubomir@281	611	break;
jaroslav@151	612	case opc_freturn:
lubomir@307	613	emit(out, "return @1;", smapper.popF());
lubomir@281	614	break;
jaroslav@151	615	case opc_dreturn:
lubomir@307	616	emit(out, "return @1;", smapper.popD());
lubomir@281	617	break;
jaroslav@151	618	case opc_areturn:
lubomir@307	619	emit(out, "return @1;", smapper.popA());
jaroslav@1	620	break;
jaroslav@151	621	case opc_i2l:
lubomir@307	622	emit(out, "@2 = @1;", smapper.popI(), smapper.pushL());
lubomir@281	623	break;
jaroslav@151	624	case opc_i2f:
lubomir@307	625	emit(out, "@2 = @1;", smapper.popI(), smapper.pushF());
lubomir@281	626	break;
jaroslav@151	627	case opc_i2d:
lubomir@307	628	emit(out, "@2 = @1;", smapper.popI(), smapper.pushD());
lubomir@281	629	break;
jaroslav@151	630	case opc_l2i:
lubomir@307	631	emit(out, "@2 = @1;", smapper.popL(), smapper.pushI());
lubomir@281	632	break;
jaroslav@3	633	// max int check?
jaroslav@151	634	case opc_l2f:
lubomir@307	635	emit(out, "@2 = @1;", smapper.popL(), smapper.pushF());
jaroslav@272	636	break;
jaroslav@151	637	case opc_l2d:
lubomir@307	638	emit(out, "@2 = @1;", smapper.popL(), smapper.pushD());
jaroslav@272	639	break;
jaroslav@151	640	case opc_f2d:
lubomir@307	641	emit(out, "@2 = @1;", smapper.popF(), smapper.pushD());
lubomir@281	642	break;
jaroslav@151	643	case opc_d2f:
lubomir@307	644	emit(out, "@2 = @1;", smapper.popD(), smapper.pushF());
jaroslav@3	645	break;
jaroslav@151	646	case opc_f2i:
lubomir@283	647	emit(out, "@2 = Math.floor(@1);",
lubomir@307	648	smapper.popF(), smapper.pushI());
lubomir@281	649	break;
jaroslav@151	650	case opc_f2l:
lubomir@283	651	emit(out, "@2 = Math.floor(@1);",
lubomir@307	652	smapper.popF(), smapper.pushL());
lubomir@281	653	break;
jaroslav@151	654	case opc_d2i:
lubomir@283	655	emit(out, "@2 = Math.floor(@1);",
lubomir@307	656	smapper.popD(), smapper.pushI());
lubomir@281	657	break;
jaroslav@151	658	case opc_d2l:
lubomir@283	659	emit(out, "@2 = Math.floor(@1);",
lubomir@307	660	smapper.popD(), smapper.pushL());
jaroslav@3	661	break;
jaroslav@151	662	case opc_i2b:
jaroslav@151	663	case opc_i2c:
jaroslav@151	664	case opc_i2s:
jaroslav@337	665	out.append("{ /* number conversion */ }");
jaroslav@2	666	break;
jaroslav@151	667	case opc_aconst_null:
lubomir@307	668	emit(out, "@1 = null;", smapper.pushA());
jaroslav@46	669	break;
jaroslav@151	670	case opc_iconst_m1:
lubomir@307	671	emit(out, "@1 = -1;", smapper.pushI());
jaroslav@48	672	break;
jaroslav@151	673	case opc_iconst_0:
lubomir@307	674	emit(out, "@1 = 0;", smapper.pushI());
lubomir@281	675	break;
jaroslav@151	676	case opc_dconst_0:
lubomir@307	677	emit(out, "@1 = 0;", smapper.pushD());
lubomir@281	678	break;
jaroslav@151	679	case opc_lconst_0:
lubomir@307	680	emit(out, "@1 = 0;", smapper.pushL());
lubomir@281	681	break;
jaroslav@151	682	case opc_fconst_0:
lubomir@307	683	emit(out, "@1 = 0;", smapper.pushF());
jaroslav@4	684	break;
jaroslav@151	685	case opc_iconst_1:
lubomir@307	686	emit(out, "@1 = 1;", smapper.pushI());
lubomir@281	687	break;
jaroslav@151	688	case opc_lconst_1:
lubomir@307	689	emit(out, "@1 = 1;", smapper.pushL());
lubomir@281	690	break;
jaroslav@151	691	case opc_fconst_1:
lubomir@307	692	emit(out, "@1 = 1;", smapper.pushF());
lubomir@281	693	break;
jaroslav@151	694	case opc_dconst_1:
lubomir@307	695	emit(out, "@1 = 1;", smapper.pushD());
jaroslav@4	696	break;
jaroslav@151	697	case opc_iconst_2:
lubomir@307	698	emit(out, "@1 = 2;", smapper.pushI());
lubomir@281	699	break;
jaroslav@151	700	case opc_fconst_2:
lubomir@307	701	emit(out, "@1 = 2;", smapper.pushF());
jaroslav@4	702	break;
jaroslav@151	703	case opc_iconst_3:
lubomir@307	704	emit(out, "@1 = 3;", smapper.pushI());
jaroslav@4	705	break;
jaroslav@151	706	case opc_iconst_4:
lubomir@307	707	emit(out, "@1 = 4;", smapper.pushI());
jaroslav@4	708	break;
jaroslav@151	709	case opc_iconst_5:
lubomir@307	710	emit(out, "@1 = 5;", smapper.pushI());
jaroslav@4	711	break;
jaroslav@151	712	case opc_ldc: {
jtulach@128	713	int indx = readByte(byteCodes, ++i);
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@20	717	break;
jaroslav@20	718	}
jaroslav@151	719	case opc_ldc_w:
jaroslav@151	720	case opc_ldc2_w: {
jaroslav@8	721	int indx = readIntArg(byteCodes, i);
jaroslav@8	722	i += 2;
jaroslav@151	723	String v = encodeConstant(indx);
lubomir@307	724	int type = VarType.fromConstantType(jc.getTag(indx));
lubomir@307	725	emit(out, "@1 = @2;", smapper.pushT(type), v);
jaroslav@8	726	break;
jaroslav@8	727	}
jaroslav@151	728	case opc_lcmp:
lubomir@283	729	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	730	smapper.popL(), smapper.popL(), smapper.pushI());
lubomir@281	731	break;
jaroslav@151	732	case opc_fcmpl:
jaroslav@151	733	case opc_fcmpg:
lubomir@283	734	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	735	smapper.popF(), smapper.popF(), smapper.pushI());
lubomir@281	736	break;
jaroslav@151	737	case opc_dcmpl:
lubomir@281	738	case opc_dcmpg:
lubomir@283	739	emit(out, "@3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
lubomir@307	740	smapper.popD(), smapper.popD(), smapper.pushI());
jaroslav@20	741	break;
jaroslav@151	742	case opc_if_acmpeq:
lubomir@307	743	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	744	"===");
jaroslav@104	745	break;
jaroslav@151	746	case opc_if_acmpne:
lubomir@307	747	i = generateIf(byteCodes, i, smapper.popA(), smapper.popA(),
lubomir@281	748	"!=");
jaroslav@104	749	break;
lubomir@283	750	case opc_if_icmpeq:
lubomir@307	751	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	752	"==");
jaroslav@4	753	break;
jaroslav@151	754	case opc_ifeq: {
jaroslav@7	755	int indx = i + readIntArg(byteCodes, i);
lubomir@283	756	emit(out, "if (@1 == 0) { gt = @2; continue; }",
lubomir@307	757	smapper.popI(), Integer.toString(indx));
jaroslav@7	758	i += 2;
jaroslav@7	759	break;
jaroslav@7	760	}
jaroslav@151	761	case opc_ifne: {
jaroslav@20	762	int indx = i + readIntArg(byteCodes, i);
lubomir@283	763	emit(out, "if (@1 != 0) { gt = @2; continue; }",
lubomir@307	764	smapper.popI(), Integer.toString(indx));
jaroslav@20	765	i += 2;
jaroslav@20	766	break;
jaroslav@20	767	}
jaroslav@151	768	case opc_iflt: {
jaroslav@20	769	int indx = i + readIntArg(byteCodes, i);
lubomir@283	770	emit(out, "if (@1 < 0) { gt = @2; continue; }",
lubomir@307	771	smapper.popI(), Integer.toString(indx));
jaroslav@20	772	i += 2;
jaroslav@20	773	break;
jaroslav@20	774	}
jaroslav@151	775	case opc_ifle: {
jaroslav@20	776	int indx = i + readIntArg(byteCodes, i);
lubomir@283	777	emit(out, "if (@1 <= 0) { gt = @2; continue; }",
lubomir@307	778	smapper.popI(), Integer.toString(indx));
jaroslav@20	779	i += 2;
jaroslav@20	780	break;
jaroslav@20	781	}
jaroslav@151	782	case opc_ifgt: {
jaroslav@20	783	int indx = i + readIntArg(byteCodes, i);
lubomir@283	784	emit(out, "if (@1 > 0) { gt = @2; continue; }",
lubomir@307	785	smapper.popI(), Integer.toString(indx));
jaroslav@20	786	i += 2;
jaroslav@20	787	break;
jaroslav@20	788	}
jaroslav@151	789	case opc_ifge: {
jaroslav@20	790	int indx = i + readIntArg(byteCodes, i);
lubomir@283	791	emit(out, "if (@1 >= 0) { gt = @2; continue; }",
lubomir@307	792	smapper.popI(), Integer.toString(indx));
jaroslav@20	793	i += 2;
jaroslav@20	794	break;
jaroslav@20	795	}
jaroslav@151	796	case opc_ifnonnull: {
jaroslav@16	797	int indx = i + readIntArg(byteCodes, i);
lubomir@283	798	emit(out, "if (@1 !== null) { gt = @2; continue; }",
lubomir@307	799	smapper.popA(), Integer.toString(indx));
jaroslav@16	800	i += 2;
jaroslav@16	801	break;
jaroslav@16	802	}
jaroslav@151	803	case opc_ifnull: {
jaroslav@16	804	int indx = i + readIntArg(byteCodes, i);
lubomir@283	805	emit(out, "if (@1 === null) { gt = @2; continue; }",
lubomir@307	806	smapper.popA(), Integer.toString(indx));
jaroslav@16	807	i += 2;
jaroslav@16	808	break;
jaroslav@16	809	}
jaroslav@151	810	case opc_if_icmpne:
lubomir@307	811	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	812	"!=");
jaroslav@4	813	break;
jaroslav@151	814	case opc_if_icmplt:
lubomir@307	815	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	816	"<");
jaroslav@4	817	break;
jaroslav@151	818	case opc_if_icmple:
lubomir@307	819	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	820	"<=");
jaroslav@4	821	break;
jaroslav@151	822	case opc_if_icmpgt:
lubomir@307	823	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	824	">");
jaroslav@4	825	break;
jaroslav@151	826	case opc_if_icmpge:
lubomir@307	827	i = generateIf(byteCodes, i, smapper.popI(), smapper.popI(),
lubomir@281	828	">=");
jaroslav@4	829	break;
jaroslav@151	830	case opc_goto: {
jaroslav@5	831	int indx = i + readIntArg(byteCodes, i);
lubomir@283	832	emit(out, "gt = @1; continue;", Integer.toString(indx));
jaroslav@5	833	i += 2;
jaroslav@5	834	break;
jaroslav@5	835	}
jaroslav@151	836	case opc_lookupswitch: {
jtulach@128	837	int table = i / 4 * 4 + 4;
jaroslav@115	838	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	839	table += 4;
jaroslav@115	840	int n = readInt4(byteCodes, table);
jaroslav@115	841	table += 4;
lubomir@307	842	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	843	while (n-- > 0) {
jaroslav@115	844	int cnstnt = readInt4(byteCodes, table);
jaroslav@115	845	table += 4;
jaroslav@115	846	int offset = i + readInt4(byteCodes, table);
jaroslav@115	847	table += 4;
jaroslav@115	848	out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	849	}
jaroslav@115	850	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	851	i = table - 1;
jaroslav@115	852	break;
jaroslav@115	853	}
jaroslav@151	854	case opc_tableswitch: {
jtulach@128	855	int table = i / 4 * 4 + 4;
jaroslav@115	856	int dflt = i + readInt4(byteCodes, table);
jaroslav@115	857	table += 4;
jaroslav@115	858	int low = readInt4(byteCodes, table);
jaroslav@115	859	table += 4;
jaroslav@115	860	int high = readInt4(byteCodes, table);
jaroslav@115	861	table += 4;
lubomir@307	862	out.append("switch (").append(smapper.popI()).append(") {\n");
jaroslav@115	863	while (low <= high) {
jaroslav@115	864	int offset = i + readInt4(byteCodes, table);
jaroslav@115	865	table += 4;
jaroslav@115	866	out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
jaroslav@115	867	low++;
jaroslav@115	868	}
jaroslav@115	869	out.append(" default: gt = " + dflt).append("; continue;\n}");
jaroslav@115	870	i = table - 1;
jaroslav@115	871	break;
jaroslav@115	872	}
jaroslav@151	873	case opc_invokeinterface: {
lubomir@307	874	i = invokeVirtualMethod(byteCodes, i, smapper) + 2;
jaroslav@46	875	break;
jaroslav@46	876	}
jaroslav@151	877	case opc_invokevirtual:
lubomir@307	878	i = invokeVirtualMethod(byteCodes, i, smapper);
jaroslav@12	879	break;
jaroslav@151	880	case opc_invokespecial:
lubomir@307	881	i = invokeStaticMethod(byteCodes, i, smapper, false);
jaroslav@4	882	break;
jaroslav@151	883	case opc_invokestatic:
lubomir@307	884	i = invokeStaticMethod(byteCodes, i, smapper, true);
jaroslav@10	885	break;
jaroslav@151	886	case opc_new: {
jaroslav@8	887	int indx = readIntArg(byteCodes, i);
jaroslav@151	888	String ci = jc.getClassName(indx);
lubomir@283	889	emit(out, "@1 = new @2;",
lubomir@317	890	smapper.pushA(), accessClass(ci.replace('/', '_')));
jaroslav@151	891	addReference(ci);
jaroslav@8	892	i += 2;
jaroslav@8	893	break;
jaroslav@8	894	}
lubomir@283	895	case opc_newarray:
lubomir@221	896	++i; // skip type of array
lubomir@283	897	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	898	smapper.popI(), smapper.pushA());
jaroslav@21	899	break;
lubomir@283	900	case opc_anewarray:
jaroslav@21	901	i += 2; // skip type of array
lubomir@283	902	emit(out, "@2 = new Array(@1).fillNulls();",
lubomir@307	903	smapper.popI(), smapper.pushA());
jaroslav@21	904	break;
jaroslav@151	905	case opc_multianewarray: {
jtulach@128	906	i += 2;
jtulach@128	907	int dim = readByte(byteCodes, ++i);
lubomir@307	908	out.append("{ var a0 = new Array(").append(smapper.popI())
lubomir@221	909	.append(").fillNulls();");
jtulach@128	910	for (int d = 1; d < dim; d++) {
lubomir@221	911	out.append("\n var l" + d).append(" = ")
lubomir@307	912	.append(smapper.popI()).append(';');
jtulach@128	913	out.append("\n for (var i" + d).append (" = 0; i" + d).
jtulach@128	914	append(" < a" + (d - 1)).
jtulach@128	915	append(".length; i" + d).append("++) {");
jtulach@128	916	out.append("\n var a" + d).
jaroslav@172	917	append (" = new Array(l" + d).append(").fillNulls();");
jtulach@128	918	out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
jtulach@128	919	append(";");
jtulach@128	920	}
jtulach@128	921	for (int d = 1; d < dim; d++) {
jtulach@128	922	out.append("\n }");
jtulach@128	923	}
lubomir@307	924	out.append("\n").append(smapper.pushA()).append(" = a0; }");
jtulach@128	925	break;
jtulach@128	926	}
jaroslav@151	927	case opc_arraylength:
lubomir@307	928	emit(out, "@2 = @1.length;", smapper.popA(), smapper.pushI());
jaroslav@272	929	break;
lubomir@283	930	case opc_lastore:
lubomir@283	931	emit(out, "@3[@2] = @1;",
lubomir@307	932	smapper.popL(), smapper.popI(), smapper.popA());
lubomir@281	933	break;
lubomir@283	934	case opc_fastore:
lubomir@283	935	emit(out, "@3[@2] = @1;",
lubomir@307	936	smapper.popF(), smapper.popI(), smapper.popA());
lubomir@281	937	break;
lubomir@283	938	case opc_dastore:
lubomir@283	939	emit(out, "@3[@2] = @1;",
lubomir@307	940	smapper.popD(), smapper.popI(), smapper.popA());
lubomir@281	941	break;
lubomir@283	942	case opc_aastore:
lubomir@283	943	emit(out, "@3[@2] = @1;",
lubomir@307	944	smapper.popA(), smapper.popI(), smapper.popA());
jaroslav@21	945	break;
jaroslav@151	946	case opc_iastore:
jaroslav@151	947	case opc_bastore:
jaroslav@151	948	case opc_castore:
lubomir@283	949	case opc_sastore:
lubomir@283	950	emit(out, "@3[@2] = @1;",
lubomir@307	951	smapper.popI(), smapper.popI(), smapper.popA());
jaroslav@240	952	break;
lubomir@283	953	case opc_laload:
lubomir@283	954	emit(out, "@3 = @2[@1];",
lubomir@307	955	smapper.popI(), smapper.popA(), smapper.pushL());
lubomir@281	956	break;
lubomir@283	957	case opc_faload:
lubomir@283	958	emit(out, "@3 = @2[@1];",
lubomir@307	959	smapper.popI(), smapper.popA(), smapper.pushF());
lubomir@281	960	break;
lubomir@283	961	case opc_daload:
lubomir@283	962	emit(out, "@3 = @2[@1];",
lubomir@307	963	smapper.popI(), smapper.popA(), smapper.pushD());
lubomir@281	964	break;
lubomir@283	965	case opc_aaload:
lubomir@283	966	emit(out, "@3 = @2[@1];",
lubomir@307	967	smapper.popI(), smapper.popA(), smapper.pushA());
jaroslav@272	968	break;
jaroslav@272	969	case opc_iaload:
jaroslav@272	970	case opc_baload:
jaroslav@272	971	case opc_caload:
lubomir@283	972	case opc_saload:
lubomir@283	973	emit(out, "@3 = @2[@1];",
lubomir@307	974	smapper.popI(), smapper.popA(), smapper.pushI());
jaroslav@272	975	break;
lubomir@221	976	case opc_pop:
jaroslav@272	977	case opc_pop2:
lubomir@307	978	smapper.pop(1);
lubomir@221	979	out.append("/* pop */");
jaroslav@272	980	break;
lubomir@281	981	case opc_dup: {
lubomir@307	982	final Variable v = smapper.get(0);
lubomir@307	983	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
jaroslav@21	984	break;
jaroslav@21	985	}
lubomir@281	986	case opc_dup2: {
lubomir@307	987	if (smapper.get(0).isCategory2()) {
lubomir@307	988	final Variable v = smapper.get(0);
lubomir@307	989	emit(out, "@1 = @2;", smapper.pushT(v.getType()), v);
lubomir@281	990	} else {
lubomir@307	991	final Variable v1 = smapper.get(0);
lubomir@307	992	final Variable v2 = smapper.get(1);
lubomir@283	993	emit(out, "{ @1 = @2; @3 = @4; }",
lubomir@307	994	smapper.pushT(v2.getType()), v2,
lubomir@307	995	smapper.pushT(v1.getType()), v1);
lubomir@281	996	}
jaroslav@21	997	break;
jaroslav@21	998	}
lubomir@281	999	case opc_dup_x1: {
lubomir@307	1000	final Variable vi1 = smapper.pop();
lubomir@307	1001	final Variable vi2 = smapper.pop();
lubomir@307	1002	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1003	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1004	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1005
lubomir@283	1006	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1007	vo1, vi1, vo2, vi2, vo3, vo1);
jaroslav@93	1008	break;
lubomir@281	1009	}
lubomir@281	1010	case opc_dup_x2: {
lubomir@307	1011	if (smapper.get(1).isCategory2()) {
lubomir@307	1012	final Variable vi1 = smapper.pop();
lubomir@307	1013	final Variable vi2 = smapper.pop();
lubomir@307	1014	final Variable vo3 = smapper.pushT(vi1.getType());
lubomir@307	1015	final Variable vo2 = smapper.pushT(vi2.getType());
lubomir@307	1016	final Variable vo1 = smapper.pushT(vi1.getType());
lubomir@281	1017
lubomir@283	1018	emit(out, "{ @1 = @2; @3 = @4; @5 = @6; }",
lubomir@283	1019	vo1, vi1, vo2, vi2, vo3, vo1);
lubomir@281	1020	} else {
lubomir@307	1021	final Variable vi1 = smapper.pop();
lubomir@307	1022	final Variable vi2 = smapper.pop();
lubomir@307	1023	final Variable vi3 = smapper.pop();
lubomir@307	1024	final Variable vo4 = smapper.pushT(vi1.getType());
lubomir@307	1025	final Variable vo3 = smapper.pushT(vi3.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; @7 = @8; }",
lubomir@283	1030	vo1, vi1, vo2, vi2, vo3, vi3, vo4, vo1);
lubomir@281	1031	}
jaroslav@8	1032	break;
lubomir@281	1033	}
jaroslav@151	1034	case opc_bipush:
lubomir@283	1035	emit(out, "@1 = @2;",
lubomir@307	1036	smapper.pushI(), Integer.toString(byteCodes[++i]));
jaroslav@8	1037	break;
jaroslav@151	1038	case opc_sipush:
lubomir@283	1039	emit(out, "@1 = @2;",
lubomir@307	1040	smapper.pushI(),
lubomir@283	1041	Integer.toString(readIntArg(byteCodes, i)));
jaroslav@31	1042	i += 2;
jaroslav@31	1043	break;
jaroslav@151	1044	case opc_getfield: {
jaroslav@8	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));
lubomir@283	1048	emit(out, "@2 = @1.fld_@3;",
lubomir@307	1049	smapper.popA(), smapper.pushT(type), fi[1]);
jaroslav@8	1050	i += 2;
jaroslav@8	1051	break;
jaroslav@8	1052	}
jaroslav@151	1053	case opc_getstatic: {
jaroslav@9	1054	int indx = readIntArg(byteCodes, i);
jaroslav@151	1055	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1056	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1057	emit(out, "@1 = @2(false).constructor.@3;",
lubomir@317	1058	smapper.pushT(type),
lubomir@317	1059	accessClass(fi[0].replace('/', '_')), fi[1]);
jaroslav@9	1060	i += 2;
jaroslav@151	1061	addReference(fi[0]);
jaroslav@9	1062	break;
jaroslav@9	1063	}
jaroslav@151	1064	case opc_putfield: {
jaroslav@10	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));
lubomir@283	1068	emit(out, "@2.fld_@3 = @1;",
lubomir@307	1069	smapper.popT(type), smapper.popA(), fi[1]);
jaroslav@10	1070	i += 2;
jaroslav@10	1071	break;
jaroslav@10	1072	}
lubomir@281	1073	case opc_putstatic: {
lubomir@281	1074	int indx = readIntArg(byteCodes, i);
lubomir@281	1075	String[] fi = jc.getFieldInfoName(indx);
lubomir@307	1076	final int type = VarType.fromFieldType(fi[2].charAt(0));
jaroslav@358	1077	emit(out, "@1(false).constructor.@2 = @3;",
lubomir@317	1078	accessClass(fi[0].replace('/', '_')), fi[1],
lubomir@317	1079	smapper.popT(type));
lubomir@281	1080	i += 2;
lubomir@281	1081	addReference(fi[0]);
lubomir@281	1082	break;
lubomir@281	1083	}
jaroslav@151	1084	case opc_checkcast: {
jaroslav@30	1085	int indx = readIntArg(byteCodes, i);
jaroslav@151	1086	final String type = jc.getClassName(indx);
jaroslav@42	1087	if (!type.startsWith("[")) {
jaroslav@42	1088	// no way to check arrays right now
lubomir@283	1089	// XXX proper exception
lubomir@317	1090	emit(out,
lubomir@317	1091	"if (@1 !== null && !@1.$instOf_@2) throw {};",
lubomir@307	1092	smapper.getA(0), type.replace('/', '_'));
jaroslav@42	1093	}
jaroslav@30	1094	i += 2;
jaroslav@30	1095	break;
jaroslav@30	1096	}
jaroslav@151	1097	case opc_instanceof: {
jaroslav@17	1098	int indx = readIntArg(byteCodes, i);
jaroslav@151	1099	final String type = jc.getClassName(indx);
lubomir@283	1100	emit(out, "@2 = @1.$instOf_@3 ? 1 : 0;",
lubomir@317	1101	smapper.popA(), smapper.pushI(),
lubomir@317	1102	type.replace('/', '_'));
jaroslav@17	1103	i += 2;
jaroslav@30	1104	break;
jaroslav@17	1105	}
jaroslav@151	1106	case opc_athrow: {
lubomir@307	1107	final Variable v = smapper.popA();
lubomir@307	1108	smapper.clear();
lubomir@281	1109
lubomir@283	1110	emit(out, "{ @1 = @2; throw @2; }",
lubomir@307	1111	smapper.pushA(), v);
jaroslav@104	1112	break;
jaroslav@104	1113	}
lubomir@221	1114
lubomir@221	1115	case opc_monitorenter: {
lubomir@221	1116	out.append("/* monitor enter */");
lubomir@307	1117	smapper.popA();
lubomir@221	1118	break;
lubomir@221	1119	}
lubomir@221	1120
lubomir@221	1121	case opc_monitorexit: {
lubomir@221	1122	out.append("/* monitor exit */");
lubomir@307	1123	smapper.popA();
lubomir@221	1124	break;
lubomir@221	1125	}
lubomir@221	1126
jaroslav@104	1127	default: {
lubomir@283	1128	emit(out, "throw 'unknown bytecode @1';",
lubomir@283	1129	Integer.toString(c));
jaroslav@104	1130	}
jaroslav@0	1131	}
jaroslav@39	1132	out.append(" //");
jaroslav@0	1133	for (int j = prev; j <= i; j++) {
jaroslav@0	1134	out.append(" ");
jtulach@128	1135	final int cc = readByte(byteCodes, j);
jaroslav@0	1136	out.append(Integer.toString(cc));
jaroslav@0	1137	}
tzezula@285	1138	out.append("\n");
jaroslav@0	1139	}
jaroslav@398	1140	if (previousTrap != null) {
jaroslav@398	1141	generateCatch(previousTrap);
jaroslav@398	1142	}
jaroslav@10	1143	out.append(" }\n");
lubomir@307	1144	out.append("};");
jaroslav@4	1145	}
jaroslav@4	1146
lubomir@281	1147	private int generateIf(byte[] byteCodes, int i,
lubomir@281	1148	final Variable v2, final Variable v1,
lubomir@281	1149	final String test) throws IOException {
jaroslav@4	1150	int indx = i + readIntArg(byteCodes, i);
lubomir@281	1151	out.append("if (").append(v1)
lubomir@221	1152	.append(' ').append(test).append(' ')
lubomir@281	1153	.append(v2).append(") { gt = " + indx)
lubomir@221	1154	.append("; continue; }");
jaroslav@4	1155	return i + 2;
jaroslav@4	1156	}
jaroslav@4	1157
jaroslav@4	1158	private int readIntArg(byte[] byteCodes, int offsetInstruction) {
jaroslav@5	1159	final int indxHi = byteCodes[offsetInstruction + 1] << 8;
jaroslav@5	1160	final int indxLo = byteCodes[offsetInstruction + 2];
jaroslav@5	1161	return (indxHi & 0xffffff00) \| (indxLo & 0xff);
jaroslav@4	1162	}
jaroslav@115	1163	private int readInt4(byte[] byteCodes, int offsetInstruction) {
jaroslav@115	1164	final int d = byteCodes[offsetInstruction + 0] << 24;
jaroslav@115	1165	final int c = byteCodes[offsetInstruction + 1] << 16;
jaroslav@115	1166	final int b = byteCodes[offsetInstruction + 2] << 8;
jaroslav@115	1167	final int a = byteCodes[offsetInstruction + 3];
jaroslav@115	1168	return (d & 0xff000000) \| (c & 0xff0000) \| (b & 0xff00) \| (a & 0xff);
jaroslav@115	1169	}
jtulach@128	1170	private int readByte(byte[] byteCodes, int offsetInstruction) {
lubomir@221	1171	return byteCodes[offsetInstruction] & 0xff;
jtulach@128	1172	}
jaroslav@4	1173
lubomir@281	1174	private static void countArgs(String descriptor, char[] returnType, StringBuilder sig, StringBuilder cnt) {
jaroslav@4	1175	int i = 0;
jaroslav@4	1176	Boolean count = null;
jaroslav@32	1177	boolean array = false;
jaroslav@248	1178	sig.append("__");
jaroslav@10	1179	int firstPos = sig.length();
jaroslav@4	1180	while (i < descriptor.length()) {
jaroslav@4	1181	char ch = descriptor.charAt(i++);
jaroslav@4	1182	switch (ch) {
jaroslav@4	1183	case '(':
jaroslav@4	1184	count = true;
jaroslav@4	1185	continue;
jaroslav@4	1186	case ')':
jaroslav@4	1187	count = false;
jaroslav@4	1188	continue;
jaroslav@4	1189	case 'B':
jaroslav@4	1190	case 'C':
jaroslav@4	1191	case 'D':
jaroslav@4	1192	case 'F':
jaroslav@4	1193	case 'I':
jaroslav@4	1194	case 'J':
jaroslav@4	1195	case 'S':
jaroslav@4	1196	case 'Z':
jaroslav@4	1197	if (count) {
jaroslav@32	1198	if (array) {
jaroslav@248	1199	sig.append("_3");
jaroslav@32	1200	}
jaroslav@4	1201	sig.append(ch);
jtulach@156	1202	if (ch == 'J' \|\| ch == 'D') {
jtulach@156	1203	cnt.append('1');
jtulach@156	1204	} else {
jtulach@156	1205	cnt.append('0');
jtulach@156	1206	}
jaroslav@4	1207	} else {
jaroslav@10	1208	sig.insert(firstPos, ch);
jaroslav@32	1209	if (array) {
lubomir@281	1210	returnType[0] = '[';
jaroslav@248	1211	sig.insert(firstPos, "_3");
lubomir@281	1212	} else {
lubomir@281	1213	returnType[0] = ch;
jaroslav@32	1214	}
jaroslav@4	1215	}
jaroslav@93	1216	array = false;
jaroslav@4	1217	continue;
jaroslav@4	1218	case 'V':
jaroslav@4	1219	assert !count;
lubomir@281	1220	returnType[0] = 'V';
jaroslav@10	1221	sig.insert(firstPos, 'V');
jaroslav@4	1222	continue;
jaroslav@4	1223	case 'L':
jaroslav@16	1224	int next = descriptor.indexOf(';', i);
jaroslav@248	1225	String realSig = mangleSig(descriptor, i - 1, next + 1);
jaroslav@4	1226	if (count) {
jaroslav@32	1227	if (array) {
jaroslav@248	1228	sig.append("_3");
jaroslav@32	1229	}
jaroslav@248	1230	sig.append(realSig);
jtulach@156	1231	cnt.append('0');
jaroslav@4	1232	} else {
jaroslav@248	1233	sig.insert(firstPos, realSig);
jaroslav@32	1234	if (array) {
jaroslav@248	1235	sig.insert(firstPos, "_3");
jaroslav@32	1236	}
lubomir@281	1237	returnType[0] = 'L';
jaroslav@4	1238	}
jaroslav@16	1239	i = next + 1;
jaroslav@4	1240	continue;
jaroslav@4	1241	case '[':
jaroslav@248	1242	array = true;
jaroslav@4	1243	continue;
jaroslav@4	1244	default:
jaroslav@248	1245	throw new IllegalStateException("Invalid char: " + ch);
jaroslav@4	1246	}
jaroslav@4	1247	}
jaroslav@0	1248	}
jaroslav@248	1249
jaroslav@248	1250	private static String mangleSig(String txt, int first, int last) {
jaroslav@248	1251	StringBuilder sb = new StringBuilder();
jaroslav@248	1252	for (int i = first; i < last; i++) {
jaroslav@248	1253	final char ch = txt.charAt(i);
jaroslav@248	1254	switch (ch) {
jaroslav@248	1255	case '/': sb.append('_'); break;
jaroslav@248	1256	case '_': sb.append("_1"); break;
jaroslav@248	1257	case ';': sb.append("_2"); break;
jaroslav@248	1258	case '[': sb.append("_3"); break;
jaroslav@248	1259	default: sb.append(ch); break;
jaroslav@248	1260	}
jaroslav@248	1261	}
jaroslav@248	1262	return sb.toString();
jaroslav@248	1263	}
jaroslav@9	1264
jaroslav@248	1265	private static String findMethodName(MethodData m, StringBuilder cnt) {
jaroslav@42	1266	StringBuilder name = new StringBuilder();
jaroslav@10	1267	if ("<init>".equals(m.getName())) { // NOI18N
jaroslav@42	1268	name.append("cons"); // NOI18N
jaroslav@19	1269	} else if ("<clinit>".equals(m.getName())) { // NOI18N
jaroslav@42	1270	name.append("class"); // NOI18N
jaroslav@10	1271	} else {
jaroslav@42	1272	name.append(m.getName());
jaroslav@10	1273	}
jaroslav@42	1274
lubomir@282	1275	countArgs(m.getInternalSig(), new char[1], name, cnt);
jaroslav@42	1276	return name.toString();
jaroslav@10	1277	}
jaroslav@10	1278
lubomir@282	1279	static String findMethodName(String[] mi, StringBuilder cnt, char[] returnType) {
jaroslav@10	1280	StringBuilder name = new StringBuilder();
jaroslav@151	1281	String descr = mi[2];//mi.getDescriptor();
jaroslav@151	1282	String nm= mi[1];
jaroslav@151	1283	if ("<init>".equals(nm)) { // NOI18N
jaroslav@10	1284	name.append("cons"); // NOI18N
jaroslav@10	1285	} else {
jaroslav@151	1286	name.append(nm);
jaroslav@10	1287	}
lubomir@282	1288	countArgs(descr, returnType, name, cnt);
jaroslav@10	1289	return name.toString();
jaroslav@10	1290	}
jaroslav@10	1291
lubomir@307	1292	private int invokeStaticMethod(byte[] byteCodes, int i, final StackMapper mapper, boolean isStatic)
jaroslav@10	1293	throws IOException {
jaroslav@10	1294	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1295	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1296	char[] returnType = { 'V' };
jtulach@156	1297	StringBuilder cnt = new StringBuilder();
lubomir@281	1298	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1299
lubomir@221	1300	final int numArguments = isStatic ? cnt.length() : cnt.length() + 1;
lubomir@281	1301	final Variable[] vars = new Variable[numArguments];
lubomir@221	1302
lubomir@281	1303	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1304	vars[j] = mapper.pop();
jaroslav@11	1305	}
lubomir@281	1306
lubomir@281	1307	if (returnType[0] != 'V') {
lubomir@307	1308	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1309	.append(" = ");
jaroslav@10	1310	}
lubomir@221	1311
jaroslav@151	1312	final String in = mi[0];
jaroslav@274	1313	out.append(accessClass(in.replace('/', '_')));
jaroslav@224	1314	out.append("(false).");
jaroslav@397	1315	if (mn.startsWith("cons_")) {
jaroslav@397	1316	out.append("constructor.");
jaroslav@397	1317	}
jaroslav@10	1318	out.append(mn);
jaroslav@10	1319	out.append('(');
lubomir@221	1320	if (numArguments > 0) {
lubomir@281	1321	out.append(vars[0]);
lubomir@281	1322	for (int j = 1; j < numArguments; ++j) {
lubomir@221	1323	out.append(", ");
lubomir@281	1324	out.append(vars[j]);
lubomir@221	1325	}
jaroslav@10	1326	}
lubomir@221	1327	out.append(");");
jaroslav@10	1328	i += 2;
jaroslav@18	1329	addReference(in);
jaroslav@10	1330	return i;
jaroslav@10	1331	}
lubomir@307	1332	private int invokeVirtualMethod(byte[] byteCodes, int i, final StackMapper mapper)
jaroslav@12	1333	throws IOException {
jaroslav@12	1334	int methodIndex = readIntArg(byteCodes, i);
jaroslav@151	1335	String[] mi = jc.getFieldInfoName(methodIndex);
lubomir@281	1336	char[] returnType = { 'V' };
jtulach@156	1337	StringBuilder cnt = new StringBuilder();
lubomir@281	1338	String mn = findMethodName(mi, cnt, returnType);
lubomir@221	1339
lubomir@281	1340	final int numArguments = cnt.length() + 1;
lubomir@281	1341	final Variable[] vars = new Variable[numArguments];
lubomir@221	1342
lubomir@281	1343	for (int j = numArguments - 1; j >= 0; --j) {
lubomir@281	1344	vars[j] = mapper.pop();
jaroslav@12	1345	}
lubomir@221	1346
lubomir@281	1347	if (returnType[0] != 'V') {
lubomir@307	1348	out.append(mapper.pushT(VarType.fromFieldType(returnType[0])))
lubomir@281	1349	.append(" = ");
jaroslav@12	1350	}
lubomir@281	1351
lubomir@281	1352	out.append(vars[0]).append('.');
jaroslav@12	1353	out.append(mn);
jaroslav@12	1354	out.append('(');
lubomir@281	1355	out.append(vars[0]);
lubomir@281	1356	for (int j = 1; j < numArguments; ++j) {
jaroslav@12	1357	out.append(", ");
lubomir@281	1358	out.append(vars[j]);
jaroslav@12	1359	}
lubomir@221	1360	out.append(");");
jaroslav@12	1361	i += 2;
jaroslav@12	1362	return i;
jaroslav@12	1363	}
lubomir@221	1364
jaroslav@103	1365	private void addReference(String cn) throws IOException {
jtulach@162	1366	if (requireReference(cn)) {
jtulach@162	1367	out.append(" /* needs ").append(cn).append(" */");
jaroslav@18	1368	}
jaroslav@18	1369	}
jaroslav@16	1370
jaroslav@33	1371	private void outType(String d, StringBuilder out) {
jaroslav@33	1372	int arr = 0;
jaroslav@33	1373	while (d.charAt(0) == '[') {
jaroslav@33	1374	out.append('A');
jaroslav@33	1375	d = d.substring(1);
jaroslav@33	1376	}
jaroslav@16	1377	if (d.charAt(0) == 'L') {
jaroslav@16	1378	assert d.charAt(d.length() - 1) == ';';
jaroslav@16	1379	out.append(d.replace('/', '_').substring(0, d.length() - 1));
jaroslav@16	1380	} else {
jaroslav@16	1381	out.append(d);
jaroslav@16	1382	}
jaroslav@16	1383	}
jaroslav@21	1384
jaroslav@230	1385	private String encodeConstant(int entryIndex) throws IOException {
jaroslav@230	1386	String[] classRef = { null };
jaroslav@230	1387	String s = jc.stringValue(entryIndex, classRef);
jaroslav@230	1388	if (classRef[0] != null) {
jaroslav@230	1389	addReference(classRef[0]);
jaroslav@274	1390	s = accessClass(s.replace('/', '_')) + "(false).constructor.$class";
jaroslav@230	1391	}
jaroslav@151	1392	return s;
jaroslav@21	1393	}
jaroslav@32	1394
jaroslav@266	1395	private String javaScriptBody(String prefix, MethodData m, boolean isStatic) throws IOException {
jaroslav@152	1396	byte[] arr = m.findAnnotationData(true);
jaroslav@152	1397	if (arr == null) {
jaroslav@266	1398	return null;
jaroslav@152	1399	}
jaroslav@200	1400	final String jvmType = "Lorg/apidesign/bck2brwsr/core/JavaScriptBody;";
jaroslav@152	1401	class P extends AnnotationParser {
jaroslav@237	1402	public P() {
jaroslav@237	1403	super(false);
jaroslav@237	1404	}
jaroslav@237	1405
jaroslav@152	1406	int cnt;
jaroslav@152	1407	String[] args = new String[30];
jaroslav@152	1408	String body;
jaroslav@94	1409
jaroslav@152	1410	@Override
jaroslav@236	1411	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1412	if (type.equals(jvmType)) {
jaroslav@152	1413	if ("body".equals(attr)) {
jaroslav@152	1414	body = value;
jaroslav@152	1415	} else if ("args".equals(attr)) {
jaroslav@152	1416	args[cnt++] = value;
jaroslav@152	1417	} else {
jaroslav@152	1418	throw new IllegalArgumentException(attr);
jaroslav@152	1419	}
jaroslav@152	1420	}
jaroslav@94	1421	}
jaroslav@94	1422	}
jaroslav@152	1423	P p = new P();
jaroslav@152	1424	p.parse(arr, jc);
jaroslav@152	1425	if (p.body == null) {
jaroslav@266	1426	return null;
jaroslav@152	1427	}
jtulach@156	1428	StringBuilder cnt = new StringBuilder();
jaroslav@266	1429	final String mn = findMethodName(m, cnt);
jaroslav@266	1430	out.append(prefix).append(mn);
jaroslav@203	1431	out.append(" = function(");
jaroslav@152	1432	String space;
jaroslav@152	1433	int index;
jaroslav@152	1434	if (!isStatic) {
jaroslav@316	1435	space = outputArg(out, p.args, 0);
jaroslav@152	1436	index = 1;
jaroslav@152	1437	} else {
jaroslav@152	1438	space = "";
jaroslav@152	1439	index = 0;
jaroslav@152	1440	}
jtulach@156	1441	for (int i = 0; i < cnt.length(); i++) {
jaroslav@152	1442	out.append(space);
jaroslav@316	1443	space = outputArg(out, p.args, index);
jaroslav@152	1444	index++;
jaroslav@152	1445	}
jaroslav@152	1446	out.append(") {").append("\n");
jaroslav@152	1447	out.append(p.body);
jaroslav@152	1448	out.append("\n}\n");
jaroslav@266	1449	return mn;
jaroslav@151	1450	}
jaroslav@151	1451	private static String className(ClassData jc) {
jaroslav@151	1452	//return jc.getName().getInternalName().replace('/', '_');
jaroslav@151	1453	return jc.getClassName().replace('/', '_');
jaroslav@94	1454	}
jaroslav@152	1455
jaroslav@152	1456	private static String[] findAnnotation(
jaroslav@152	1457	byte[] arr, ClassData cd, final String className,
jaroslav@152	1458	final String... attrNames
jaroslav@152	1459	) throws IOException {
jaroslav@152	1460	if (arr == null) {
jaroslav@152	1461	return null;
jaroslav@152	1462	}
jaroslav@152	1463	final String[] values = new String[attrNames.length];
jaroslav@152	1464	final boolean[] found = { false };
jaroslav@152	1465	final String jvmType = "L" + className.replace('.', '/') + ";";
jaroslav@237	1466	AnnotationParser ap = new AnnotationParser(false) {
jaroslav@152	1467	@Override
jaroslav@236	1468	protected void visitAttr(String type, String attr, String at, String value) {
jaroslav@152	1469	if (type.equals(jvmType)) {
jaroslav@152	1470	found[0] = true;
jaroslav@152	1471	for (int i = 0; i < attrNames.length; i++) {
jaroslav@152	1472	if (attrNames[i].equals(attr)) {
jaroslav@152	1473	values[i] = value;
jaroslav@152	1474	}
jaroslav@152	1475	}
jaroslav@152	1476	}
jaroslav@152	1477	}
jaroslav@152	1478
jaroslav@152	1479	};
jaroslav@152	1480	ap.parse(arr, cd);
jaroslav@152	1481	return found[0] ? values : null;
jaroslav@152	1482	}
jaroslav@173	1483
jaroslav@173	1484	private CharSequence initField(FieldData v) {
jaroslav@173	1485	final String is = v.getInternalSig();
jaroslav@173	1486	if (is.length() == 1) {
jaroslav@173	1487	switch (is.charAt(0)) {
jaroslav@173	1488	case 'S':
jaroslav@173	1489	case 'J':
jaroslav@173	1490	case 'B':
jaroslav@173	1491	case 'Z':
jaroslav@173	1492	case 'C':
jaroslav@173	1493	case 'I': return " = 0;";
jaroslav@173	1494	case 'F':
jaroslav@180	1495	case 'D': return " = 0.0;";
jaroslav@173	1496	default:
jaroslav@173	1497	throw new IllegalStateException(is);
jaroslav@173	1498	}
jaroslav@173	1499	}
jaroslav@173	1500	return " = null;";
jaroslav@173	1501	}
jaroslav@235	1502
jaroslav@235	1503	private static void generateAnno(ClassData cd, final Appendable out, byte[] data) throws IOException {
jaroslav@237	1504	AnnotationParser ap = new AnnotationParser(true) {
jaroslav@237	1505	int anno;
jaroslav@235	1506	int cnt;
jaroslav@235	1507
jaroslav@235	1508	@Override
jaroslav@235	1509	protected void visitAnnotationStart(String type) throws IOException {
jaroslav@237	1510	if (anno++ > 0) {
jaroslav@237	1511	out.append(",");
jaroslav@237	1512	}
jaroslav@235	1513	out.append('"').append(type).append("\" : {\n");
jaroslav@235	1514	cnt = 0;
jaroslav@235	1515	}
jaroslav@235	1516
jaroslav@235	1517	@Override
jaroslav@235	1518	protected void visitAnnotationEnd(String type) throws IOException {
jaroslav@235	1519	out.append("\n}\n");
jaroslav@235	1520	}
jaroslav@235	1521
jaroslav@235	1522	@Override
jaroslav@236	1523	protected void visitAttr(String type, String attr, String attrType, String value)
jaroslav@235	1524	throws IOException {
jaroslav@266	1525	if (attr == null) {
jaroslav@266	1526	return;
jaroslav@266	1527	}
jaroslav@235	1528	if (cnt++ > 0) {
jaroslav@235	1529	out.append(",\n");
jaroslav@235	1530	}
jaroslav@250	1531	out.append(attr).append("__").append(attrType).append(" : ").append(value);
jaroslav@235	1532	}
jaroslav@235	1533	};
jaroslav@235	1534	ap.parse(data, cd);
jaroslav@235	1535	}
jaroslav@316	1536
jaroslav@316	1537	private static String outputArg(Appendable out, String[] args, int indx) throws IOException {
jaroslav@316	1538	final String name = args[indx];
jaroslav@316	1539	if (name == null) {
jaroslav@316	1540	return "";
jaroslav@316	1541	}
jaroslav@316	1542	if (name.contains(",")) {
jaroslav@316	1543	throw new IOException("Wrong parameter with ',': " + name);
jaroslav@316	1544	}
jaroslav@316	1545	out.append(name);
jaroslav@316	1546	return ",";
jaroslav@316	1547	}
lubomir@317	1548
lubomir@283	1549	private static void emit(final Appendable out,
lubomir@283	1550	final String format,
lubomir@283	1551	final CharSequence... params) throws IOException {
lubomir@283	1552	final int length = format.length();
lubomir@283	1553
lubomir@283	1554	int processed = 0;
lubomir@283	1555	int paramOffset = format.indexOf('@');
lubomir@283	1556	while ((paramOffset != -1) && (paramOffset < (length - 1))) {
lubomir@283	1557	final char paramChar = format.charAt(paramOffset + 1);
lubomir@283	1558	if ((paramChar >= '1') && (paramChar <= '9')) {
lubomir@283	1559	final int paramIndex = paramChar - '0' - 1;
lubomir@283	1560
lubomir@283	1561	out.append(format, processed, paramOffset);
lubomir@283	1562	out.append(params[paramIndex]);
lubomir@283	1563
lubomir@283	1564	++paramOffset;
lubomir@283	1565	processed = paramOffset + 1;
lubomir@283	1566	}
lubomir@283	1567
lubomir@283	1568	paramOffset = format.indexOf('@', paramOffset + 1);
lubomir@283	1569	}
lubomir@283	1570
lubomir@283	1571	out.append(format, processed, length);
lubomir@283	1572	}
jaroslav@398	1573
jaroslav@398	1574	private void generateCatch(TrapData[] traps) throws IOException {
jaroslav@398	1575	out.append("} catch (e) {");
jaroslav@398	1576	for (TrapData e : traps) {
jaroslav@398	1577	if (e == null) {
jaroslav@398	1578	break;
jaroslav@398	1579	}
jaroslav@398	1580	if (e.catch_cpx != 0) { //not finally
jaroslav@398	1581	final String classInternalName = jc.getClassName(e.catch_cpx);
jaroslav@398	1582	addReference(classInternalName);
jaroslav@398	1583	out.append("if (e.$instOf_" + classInternalName.replace('/', '_') + ") {");
jaroslav@398	1584	out.append("gt=" + e.handler_pc + "; stA0 = e; continue;");
jaroslav@398	1585	out.append("} ");
jaroslav@398	1586	} else {
jaroslav@398	1587	//finally - todo
jaroslav@398	1588	}
jaroslav@398	1589	}
jaroslav@398	1590	out.append("throw e;");
jaroslav@398	1591	out.append("}");
jaroslav@398	1592	}
jaroslav@0	1593	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Sat, 29 Dec 2012 20:10:10 +0100
changeset 398	945c799a6812
parent 397	2adac52f955e
child 399	1679cdfe4172
permissions	-rw-r--r--