hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java@6655ae68ef9b (annotated)

jaroslav@810	1	/*
jaroslav@810	2	* Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
jaroslav@810	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jaroslav@810	4	*
jaroslav@810	5	* This code is free software; you can redistribute it and/or modify it
jaroslav@810	6	* under the terms of the GNU General Public License version 2 only, as
jaroslav@810	7	* published by the Free Software Foundation. Oracle designates this
jaroslav@810	8	* particular file as subject to the "Classpath" exception as provided
jaroslav@810	9	* by Oracle in the LICENSE file that accompanied this code.
jaroslav@810	10	*
jaroslav@810	11	* This code is distributed in the hope that it will be useful, but WITHOUT
jaroslav@810	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jaroslav@810	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jaroslav@810	14	* version 2 for more details (a copy is included in the LICENSE file that
jaroslav@810	15	* accompanied this code).
jaroslav@810	16	*
jaroslav@810	17	* You should have received a copy of the GNU General Public License version
jaroslav@810	18	* 2 along with this work; if not, write to the Free Software Foundation,
jaroslav@810	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jaroslav@810	20	*
jaroslav@810	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jaroslav@810	22	* or visit www.oracle.com if you need additional information or have any
jaroslav@810	23	* questions.
jaroslav@810	24	*/
jaroslav@810	25	package org.apidesign.vm4brwsr;
jaroslav@810	26
jaroslav@810	27	import java.io.ByteArrayInputStream;
jaroslav@810	28	import java.io.DataInputStream;
jaroslav@810	29	import java.io.IOException;
jaroslav@810	30	import java.io.InputStream;
jaroslav@810	31	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@810	32	import org.apidesign.bck2brwsr.core.JavaScriptPrototype;
jaroslav@810	33
jaroslav@810	34	/** This is a byte code parser heavily based on original code of JavaP utility.
jaroslav@810	35	* As such I decided to keep the original Oracle's GPLv2 header.
jaroslav@810	36	*
jaroslav@810	37	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	38	*/
jaroslav@810	39	final class ByteCodeParser {
jaroslav@810	40	private ByteCodeParser() {
jaroslav@810	41	}
jaroslav@810	42
jaroslav@810	43	/* Class File Constants */
jaroslav@810	44	public static final int JAVA_MAGIC = 0xcafebabe;
jaroslav@810	45	public static final int JAVA_VERSION = 45;
jaroslav@810	46	public static final int JAVA_MINOR_VERSION = 3;
jaroslav@810	47
jaroslav@810	48	/* Constant table */
jaroslav@810	49	public static final int CONSTANT_UTF8 = 1;
jaroslav@810	50	public static final int CONSTANT_UNICODE = 2;
jaroslav@810	51	public static final int CONSTANT_INTEGER = 3;
jaroslav@810	52	public static final int CONSTANT_FLOAT = 4;
jaroslav@810	53	public static final int CONSTANT_LONG = 5;
jaroslav@810	54	public static final int CONSTANT_DOUBLE = 6;
jaroslav@810	55	public static final int CONSTANT_CLASS = 7;
jaroslav@810	56	public static final int CONSTANT_STRING = 8;
jaroslav@810	57	public static final int CONSTANT_FIELD = 9;
jaroslav@810	58	public static final int CONSTANT_METHOD = 10;
jaroslav@810	59	public static final int CONSTANT_INTERFACEMETHOD = 11;
jaroslav@810	60	public static final int CONSTANT_NAMEANDTYPE = 12;
jaroslav@810	61
jaroslav@810	62	/* Access Flags */
jaroslav@810	63	public static final int ACC_PUBLIC = 0x00000001;
jaroslav@810	64	public static final int ACC_PRIVATE = 0x00000002;
jaroslav@810	65	public static final int ACC_PROTECTED = 0x00000004;
jaroslav@810	66	public static final int ACC_STATIC = 0x00000008;
jaroslav@810	67	public static final int ACC_FINAL = 0x00000010;
jaroslav@810	68	public static final int ACC_SYNCHRONIZED = 0x00000020;
jaroslav@810	69	public static final int ACC_SUPER = 0x00000020;
jaroslav@810	70	public static final int ACC_VOLATILE = 0x00000040;
jaroslav@810	71	public static final int ACC_TRANSIENT = 0x00000080;
jaroslav@810	72	public static final int ACC_NATIVE = 0x00000100;
jaroslav@810	73	public static final int ACC_INTERFACE = 0x00000200;
jaroslav@810	74	public static final int ACC_ABSTRACT = 0x00000400;
jaroslav@810	75	public static final int ACC_STRICT = 0x00000800;
jaroslav@810	76	public static final int ACC_EXPLICIT = 0x00001000;
jaroslav@810	77	public static final int ACC_SYNTHETIC = 0x00010000; // actually, this is an attribute
jaroslav@810	78
jaroslav@810	79	/* Type codes for StackMap attribute */
jaroslav@810	80	public static final int ITEM_Bogus =0; // an unknown or uninitialized value
jaroslav@810	81	public static final int ITEM_Integer =1; // a 32-bit integer
jaroslav@810	82	public static final int ITEM_Float =2; // not used
jaroslav@810	83	public static final int ITEM_Double =3; // not used
jaroslav@810	84	public static final int ITEM_Long =4; // a 64-bit integer
jaroslav@810	85	public static final int ITEM_Null =5; // the type of null
jaroslav@810	86	public static final int ITEM_InitObject =6; // "this" in constructor
jaroslav@810	87	public static final int ITEM_Object =7; // followed by 2-byte index of class name
jaroslav@810	88	public static final int ITEM_NewObject =8; // followed by 2-byte ref to "new"
jaroslav@810	89
jaroslav@810	90	/* Constants used in StackMapTable attribute */
jaroslav@810	91	public static final int SAME_FRAME_BOUND = 64;
jaroslav@810	92	public static final int SAME_LOCALS_1_STACK_ITEM_BOUND = 128;
jaroslav@810	93	public static final int SAME_LOCALS_1_STACK_ITEM_EXTENDED = 247;
jaroslav@810	94	public static final int SAME_FRAME_EXTENDED = 251;
jaroslav@810	95	public static final int FULL_FRAME = 255;
jaroslav@810	96
jaroslav@810	97	/* Opcodes */
jaroslav@810	98	public static final int opc_dead = -2;
jaroslav@810	99	public static final int opc_label = -1;
jaroslav@810	100	public static final int opc_nop = 0;
jaroslav@810	101	public static final int opc_aconst_null = 1;
jaroslav@810	102	public static final int opc_iconst_m1 = 2;
jaroslav@810	103	public static final int opc_iconst_0 = 3;
jaroslav@810	104	public static final int opc_iconst_1 = 4;
jaroslav@810	105	public static final int opc_iconst_2 = 5;
jaroslav@810	106	public static final int opc_iconst_3 = 6;
jaroslav@810	107	public static final int opc_iconst_4 = 7;
jaroslav@810	108	public static final int opc_iconst_5 = 8;
jaroslav@810	109	public static final int opc_lconst_0 = 9;
jaroslav@810	110	public static final int opc_lconst_1 = 10;
jaroslav@810	111	public static final int opc_fconst_0 = 11;
jaroslav@810	112	public static final int opc_fconst_1 = 12;
jaroslav@810	113	public static final int opc_fconst_2 = 13;
jaroslav@810	114	public static final int opc_dconst_0 = 14;
jaroslav@810	115	public static final int opc_dconst_1 = 15;
jaroslav@810	116	public static final int opc_bipush = 16;
jaroslav@810	117	public static final int opc_sipush = 17;
jaroslav@810	118	public static final int opc_ldc = 18;
jaroslav@810	119	public static final int opc_ldc_w = 19;
jaroslav@810	120	public static final int opc_ldc2_w = 20;
jaroslav@810	121	public static final int opc_iload = 21;
jaroslav@810	122	public static final int opc_lload = 22;
jaroslav@810	123	public static final int opc_fload = 23;
jaroslav@810	124	public static final int opc_dload = 24;
jaroslav@810	125	public static final int opc_aload = 25;
jaroslav@810	126	public static final int opc_iload_0 = 26;
jaroslav@810	127	public static final int opc_iload_1 = 27;
jaroslav@810	128	public static final int opc_iload_2 = 28;
jaroslav@810	129	public static final int opc_iload_3 = 29;
jaroslav@810	130	public static final int opc_lload_0 = 30;
jaroslav@810	131	public static final int opc_lload_1 = 31;
jaroslav@810	132	public static final int opc_lload_2 = 32;
jaroslav@810	133	public static final int opc_lload_3 = 33;
jaroslav@810	134	public static final int opc_fload_0 = 34;
jaroslav@810	135	public static final int opc_fload_1 = 35;
jaroslav@810	136	public static final int opc_fload_2 = 36;
jaroslav@810	137	public static final int opc_fload_3 = 37;
jaroslav@810	138	public static final int opc_dload_0 = 38;
jaroslav@810	139	public static final int opc_dload_1 = 39;
jaroslav@810	140	public static final int opc_dload_2 = 40;
jaroslav@810	141	public static final int opc_dload_3 = 41;
jaroslav@810	142	public static final int opc_aload_0 = 42;
jaroslav@810	143	public static final int opc_aload_1 = 43;
jaroslav@810	144	public static final int opc_aload_2 = 44;
jaroslav@810	145	public static final int opc_aload_3 = 45;
jaroslav@810	146	public static final int opc_iaload = 46;
jaroslav@810	147	public static final int opc_laload = 47;
jaroslav@810	148	public static final int opc_faload = 48;
jaroslav@810	149	public static final int opc_daload = 49;
jaroslav@810	150	public static final int opc_aaload = 50;
jaroslav@810	151	public static final int opc_baload = 51;
jaroslav@810	152	public static final int opc_caload = 52;
jaroslav@810	153	public static final int opc_saload = 53;
jaroslav@810	154	public static final int opc_istore = 54;
jaroslav@810	155	public static final int opc_lstore = 55;
jaroslav@810	156	public static final int opc_fstore = 56;
jaroslav@810	157	public static final int opc_dstore = 57;
jaroslav@810	158	public static final int opc_astore = 58;
jaroslav@810	159	public static final int opc_istore_0 = 59;
jaroslav@810	160	public static final int opc_istore_1 = 60;
jaroslav@810	161	public static final int opc_istore_2 = 61;
jaroslav@810	162	public static final int opc_istore_3 = 62;
jaroslav@810	163	public static final int opc_lstore_0 = 63;
jaroslav@810	164	public static final int opc_lstore_1 = 64;
jaroslav@810	165	public static final int opc_lstore_2 = 65;
jaroslav@810	166	public static final int opc_lstore_3 = 66;
jaroslav@810	167	public static final int opc_fstore_0 = 67;
jaroslav@810	168	public static final int opc_fstore_1 = 68;
jaroslav@810	169	public static final int opc_fstore_2 = 69;
jaroslav@810	170	public static final int opc_fstore_3 = 70;
jaroslav@810	171	public static final int opc_dstore_0 = 71;
jaroslav@810	172	public static final int opc_dstore_1 = 72;
jaroslav@810	173	public static final int opc_dstore_2 = 73;
jaroslav@810	174	public static final int opc_dstore_3 = 74;
jaroslav@810	175	public static final int opc_astore_0 = 75;
jaroslav@810	176	public static final int opc_astore_1 = 76;
jaroslav@810	177	public static final int opc_astore_2 = 77;
jaroslav@810	178	public static final int opc_astore_3 = 78;
jaroslav@810	179	public static final int opc_iastore = 79;
jaroslav@810	180	public static final int opc_lastore = 80;
jaroslav@810	181	public static final int opc_fastore = 81;
jaroslav@810	182	public static final int opc_dastore = 82;
jaroslav@810	183	public static final int opc_aastore = 83;
jaroslav@810	184	public static final int opc_bastore = 84;
jaroslav@810	185	public static final int opc_castore = 85;
jaroslav@810	186	public static final int opc_sastore = 86;
jaroslav@810	187	public static final int opc_pop = 87;
jaroslav@810	188	public static final int opc_pop2 = 88;
jaroslav@810	189	public static final int opc_dup = 89;
jaroslav@810	190	public static final int opc_dup_x1 = 90;
jaroslav@810	191	public static final int opc_dup_x2 = 91;
jaroslav@810	192	public static final int opc_dup2 = 92;
jaroslav@810	193	public static final int opc_dup2_x1 = 93;
jaroslav@810	194	public static final int opc_dup2_x2 = 94;
jaroslav@810	195	public static final int opc_swap = 95;
jaroslav@810	196	public static final int opc_iadd = 96;
jaroslav@810	197	public static final int opc_ladd = 97;
jaroslav@810	198	public static final int opc_fadd = 98;
jaroslav@810	199	public static final int opc_dadd = 99;
jaroslav@810	200	public static final int opc_isub = 100;
jaroslav@810	201	public static final int opc_lsub = 101;
jaroslav@810	202	public static final int opc_fsub = 102;
jaroslav@810	203	public static final int opc_dsub = 103;
jaroslav@810	204	public static final int opc_imul = 104;
jaroslav@810	205	public static final int opc_lmul = 105;
jaroslav@810	206	public static final int opc_fmul = 106;
jaroslav@810	207	public static final int opc_dmul = 107;
jaroslav@810	208	public static final int opc_idiv = 108;
jaroslav@810	209	public static final int opc_ldiv = 109;
jaroslav@810	210	public static final int opc_fdiv = 110;
jaroslav@810	211	public static final int opc_ddiv = 111;
jaroslav@810	212	public static final int opc_irem = 112;
jaroslav@810	213	public static final int opc_lrem = 113;
jaroslav@810	214	public static final int opc_frem = 114;
jaroslav@810	215	public static final int opc_drem = 115;
jaroslav@810	216	public static final int opc_ineg = 116;
jaroslav@810	217	public static final int opc_lneg = 117;
jaroslav@810	218	public static final int opc_fneg = 118;
jaroslav@810	219	public static final int opc_dneg = 119;
jaroslav@810	220	public static final int opc_ishl = 120;
jaroslav@810	221	public static final int opc_lshl = 121;
jaroslav@810	222	public static final int opc_ishr = 122;
jaroslav@810	223	public static final int opc_lshr = 123;
jaroslav@810	224	public static final int opc_iushr = 124;
jaroslav@810	225	public static final int opc_lushr = 125;
jaroslav@810	226	public static final int opc_iand = 126;
jaroslav@810	227	public static final int opc_land = 127;
jaroslav@810	228	public static final int opc_ior = 128;
jaroslav@810	229	public static final int opc_lor = 129;
jaroslav@810	230	public static final int opc_ixor = 130;
jaroslav@810	231	public static final int opc_lxor = 131;
jaroslav@810	232	public static final int opc_iinc = 132;
jaroslav@810	233	public static final int opc_i2l = 133;
jaroslav@810	234	public static final int opc_i2f = 134;
jaroslav@810	235	public static final int opc_i2d = 135;
jaroslav@810	236	public static final int opc_l2i = 136;
jaroslav@810	237	public static final int opc_l2f = 137;
jaroslav@810	238	public static final int opc_l2d = 138;
jaroslav@810	239	public static final int opc_f2i = 139;
jaroslav@810	240	public static final int opc_f2l = 140;
jaroslav@810	241	public static final int opc_f2d = 141;
jaroslav@810	242	public static final int opc_d2i = 142;
jaroslav@810	243	public static final int opc_d2l = 143;
jaroslav@810	244	public static final int opc_d2f = 144;
jaroslav@810	245	public static final int opc_i2b = 145;
jaroslav@810	246	public static final int opc_int2byte = 145;
jaroslav@810	247	public static final int opc_i2c = 146;
jaroslav@810	248	public static final int opc_int2char = 146;
jaroslav@810	249	public static final int opc_i2s = 147;
jaroslav@810	250	public static final int opc_int2short = 147;
jaroslav@810	251	public static final int opc_lcmp = 148;
jaroslav@810	252	public static final int opc_fcmpl = 149;
jaroslav@810	253	public static final int opc_fcmpg = 150;
jaroslav@810	254	public static final int opc_dcmpl = 151;
jaroslav@810	255	public static final int opc_dcmpg = 152;
jaroslav@810	256	public static final int opc_ifeq = 153;
jaroslav@810	257	public static final int opc_ifne = 154;
jaroslav@810	258	public static final int opc_iflt = 155;
jaroslav@810	259	public static final int opc_ifge = 156;
jaroslav@810	260	public static final int opc_ifgt = 157;
jaroslav@810	261	public static final int opc_ifle = 158;
jaroslav@810	262	public static final int opc_if_icmpeq = 159;
jaroslav@810	263	public static final int opc_if_icmpne = 160;
jaroslav@810	264	public static final int opc_if_icmplt = 161;
jaroslav@810	265	public static final int opc_if_icmpge = 162;
jaroslav@810	266	public static final int opc_if_icmpgt = 163;
jaroslav@810	267	public static final int opc_if_icmple = 164;
jaroslav@810	268	public static final int opc_if_acmpeq = 165;
jaroslav@810	269	public static final int opc_if_acmpne = 166;
jaroslav@810	270	public static final int opc_goto = 167;
jaroslav@810	271	public static final int opc_jsr = 168;
jaroslav@810	272	public static final int opc_ret = 169;
jaroslav@810	273	public static final int opc_tableswitch = 170;
jaroslav@810	274	public static final int opc_lookupswitch = 171;
jaroslav@810	275	public static final int opc_ireturn = 172;
jaroslav@810	276	public static final int opc_lreturn = 173;
jaroslav@810	277	public static final int opc_freturn = 174;
jaroslav@810	278	public static final int opc_dreturn = 175;
jaroslav@810	279	public static final int opc_areturn = 176;
jaroslav@810	280	public static final int opc_return = 177;
jaroslav@810	281	public static final int opc_getstatic = 178;
jaroslav@810	282	public static final int opc_putstatic = 179;
jaroslav@810	283	public static final int opc_getfield = 180;
jaroslav@810	284	public static final int opc_putfield = 181;
jaroslav@810	285	public static final int opc_invokevirtual = 182;
jaroslav@810	286	public static final int opc_invokenonvirtual = 183;
jaroslav@810	287	public static final int opc_invokespecial = 183;
jaroslav@810	288	public static final int opc_invokestatic = 184;
jaroslav@810	289	public static final int opc_invokeinterface = 185;
jaroslav@810	290	// public static final int opc_xxxunusedxxx = 186;
jaroslav@810	291	public static final int opc_new = 187;
jaroslav@810	292	public static final int opc_newarray = 188;
jaroslav@810	293	public static final int opc_anewarray = 189;
jaroslav@810	294	public static final int opc_arraylength = 190;
jaroslav@810	295	public static final int opc_athrow = 191;
jaroslav@810	296	public static final int opc_checkcast = 192;
jaroslav@810	297	public static final int opc_instanceof = 193;
jaroslav@810	298	public static final int opc_monitorenter = 194;
jaroslav@810	299	public static final int opc_monitorexit = 195;
jaroslav@810	300	public static final int opc_wide = 196;
jaroslav@810	301	public static final int opc_multianewarray = 197;
jaroslav@810	302	public static final int opc_ifnull = 198;
jaroslav@810	303	public static final int opc_ifnonnull = 199;
jaroslav@810	304	public static final int opc_goto_w = 200;
jaroslav@810	305	public static final int opc_jsr_w = 201;
jaroslav@810	306	/* Pseudo-instructions */
jaroslav@810	307	public static final int opc_bytecode = 203;
jaroslav@810	308	public static final int opc_try = 204;
jaroslav@810	309	public static final int opc_endtry = 205;
jaroslav@810	310	public static final int opc_catch = 206;
jaroslav@810	311	public static final int opc_var = 207;
jaroslav@810	312	public static final int opc_endvar = 208;
jaroslav@810	313	public static final int opc_localsmap = 209;
jaroslav@810	314	public static final int opc_stackmap = 210;
jaroslav@810	315	/* PicoJava prefixes */
jaroslav@810	316	public static final int opc_nonpriv = 254;
jaroslav@810	317	public static final int opc_priv = 255;
jaroslav@810	318
jaroslav@1471	319	/* Wide instructions *
jaroslav@810	320	public static final int opc_iload_w = (opc_wide<<8)\|opc_iload;
jaroslav@810	321	public static final int opc_lload_w = (opc_wide<<8)\|opc_lload;
jaroslav@810	322	public static final int opc_fload_w = (opc_wide<<8)\|opc_fload;
jaroslav@810	323	public static final int opc_dload_w = (opc_wide<<8)\|opc_dload;
jaroslav@810	324	public static final int opc_aload_w = (opc_wide<<8)\|opc_aload;
jaroslav@810	325	public static final int opc_istore_w = (opc_wide<<8)\|opc_istore;
jaroslav@810	326	public static final int opc_lstore_w = (opc_wide<<8)\|opc_lstore;
jaroslav@810	327	public static final int opc_fstore_w = (opc_wide<<8)\|opc_fstore;
jaroslav@810	328	public static final int opc_dstore_w = (opc_wide<<8)\|opc_dstore;
jaroslav@810	329	public static final int opc_astore_w = (opc_wide<<8)\|opc_astore;
jaroslav@810	330	public static final int opc_ret_w = (opc_wide<<8)\|opc_ret;
jaroslav@810	331	public static final int opc_iinc_w = (opc_wide<<8)\|opc_iinc;
jaroslav@1471	332	*/
jaroslav@810	333	static class AnnotationParser {
jaroslav@810	334
jaroslav@810	335	private final boolean textual;
jaroslav@810	336	private final boolean iterateArray;
jaroslav@810	337
jaroslav@810	338	protected AnnotationParser(boolean textual, boolean iterateArray) {
jaroslav@810	339	this.textual = textual;
jaroslav@810	340	this.iterateArray = iterateArray;
jaroslav@810	341	}
jaroslav@810	342
jaroslav@810	343	protected void visitAnnotationStart(String type, boolean top) throws IOException {
jaroslav@810	344	}
jaroslav@810	345
jaroslav@810	346	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@810	347	}
jaroslav@810	348
jaroslav@810	349	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@810	350	}
jaroslav@810	351
jaroslav@810	352	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@810	353	}
jaroslav@810	354
jaroslav@810	355	protected void visitAttr(
jaroslav@810	356	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	357	}
jaroslav@810	358
jaroslav@810	359	protected void visitEnumAttr(
jaroslav@810	360	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	361	visitAttr(annoType, attr, attrType, value);
jaroslav@810	362	}
jaroslav@810	363
jaroslav@810	364	/**
jaroslav@810	365	* Initialize the parsing with constant pool from
jaroslav@810	366	* <code>cd</code>.
jaroslav@810	367	*
jaroslav@810	368	* @param attr the attribute defining annotations
jaroslav@810	369	* @param cd constant pool
jaroslav@810	370	* @throws IOException in case I/O fails
jaroslav@810	371	*/
jaroslav@810	372	public final void parse(byte[] attr, ClassData cd) throws IOException {
jaroslav@810	373	ByteArrayInputStream is = new ByteArrayInputStream(attr);
jaroslav@810	374	DataInputStream dis = new DataInputStream(is);
jaroslav@810	375	try {
jaroslav@810	376	read(dis, cd);
jaroslav@810	377	} finally {
jaroslav@810	378	is.close();
jaroslav@810	379	}
jaroslav@810	380	}
jaroslav@810	381
jaroslav@810	382	private void read(DataInputStream dis, ClassData cd) throws IOException {
jaroslav@810	383	int cnt = dis.readUnsignedShort();
jaroslav@810	384	for (int i = 0; i < cnt; i++) {
jaroslav@810	385	readAnno(dis, cd, true);
jaroslav@810	386	}
jaroslav@810	387	}
jaroslav@810	388
jaroslav@810	389	private void readAnno(DataInputStream dis, ClassData cd, boolean top) throws IOException {
jaroslav@810	390	int type = dis.readUnsignedShort();
jaroslav@810	391	String typeName = cd.StringValue(type);
jaroslav@810	392	visitAnnotationStart(typeName, top);
jaroslav@810	393	int cnt = dis.readUnsignedShort();
jaroslav@810	394	for (int i = 0; i < cnt; i++) {
jaroslav@810	395	String attrName = cd.StringValue(dis.readUnsignedShort());
jaroslav@810	396	readValue(dis, cd, typeName, attrName);
jaroslav@810	397	}
jaroslav@810	398	visitAnnotationEnd(typeName, top);
jaroslav@810	399	if (cnt == 0) {
jaroslav@810	400	visitAttr(typeName, null, null, null);
jaroslav@810	401	}
jaroslav@810	402	}
jaroslav@810	403
jaroslav@810	404	private void readValue(
jaroslav@810	405	DataInputStream dis, ClassData cd, String typeName, String attrName) throws IOException {
jaroslav@810	406	char type = (char) dis.readByte();
jaroslav@810	407	visitValueStart(attrName, type);
jaroslav@810	408	if (type == '@') {
jaroslav@810	409	readAnno(dis, cd, false);
jaroslav@810	410	} else if ("CFJZsSIDB".indexOf(type) >= 0) { // NOI18N
jaroslav@810	411	int primitive = dis.readUnsignedShort();
jaroslav@810	412	String val = cd.stringValue(primitive, textual);
jaroslav@810	413	String attrType;
jaroslav@810	414	if (type == 's') {
jaroslav@810	415	attrType = "Ljava_lang_String_2";
jaroslav@810	416	if (textual) {
jaroslav@810	417	val = '"' + val + '"';
jaroslav@810	418	}
jaroslav@810	419	} else {
jaroslav@810	420	attrType = "" + type;
jaroslav@810	421	}
jaroslav@810	422	visitAttr(typeName, attrName, attrType, val);
jaroslav@810	423	} else if (type == 'c') {
jaroslav@810	424	int cls = dis.readUnsignedShort();
jaroslav@810	425	} else if (type == '[') {
jaroslav@810	426	int cnt = dis.readUnsignedShort();
jaroslav@810	427	for (int i = 0; i < cnt; i++) {
jaroslav@810	428	readValue(dis, cd, typeName, iterateArray ? attrName : null);
jaroslav@810	429	}
jaroslav@810	430	} else if (type == 'e') {
jaroslav@810	431	int enumT = dis.readUnsignedShort();
jaroslav@810	432	String attrType = cd.stringValue(enumT, textual);
jaroslav@810	433	int enumN = dis.readUnsignedShort();
jaroslav@810	434	String val = cd.stringValue(enumN, textual);
jaroslav@810	435	visitEnumAttr(typeName, attrName, attrType, val);
jaroslav@810	436	} else {
jaroslav@810	437	throw new IOException("Unknown type " + type);
jaroslav@810	438	}
jaroslav@810	439	visitValueEnd(attrName, type);
jaroslav@810	440	}
jaroslav@810	441	}
jaroslav@810	442
jaroslav@810	443	/**
jaroslav@810	444	* Reads and stores attribute information.
jaroslav@810	445	*
jaroslav@810	446	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	447	*/
jaroslav@810	448	private static class AttrData {
jaroslav@810	449
jaroslav@810	450	ClassData cls;
jaroslav@810	451	int name_cpx;
jaroslav@810	452	int datalen;
jaroslav@810	453	byte data[];
jaroslav@810	454
jaroslav@810	455	public AttrData(ClassData cls) {
jaroslav@810	456	this.cls = cls;
jaroslav@810	457	}
jaroslav@810	458
jaroslav@810	459	/**
jaroslav@810	460	* Reads unknown attribute.
jaroslav@810	461	*/
jaroslav@810	462	public void read(int name_cpx, DataInputStream in) throws IOException {
jaroslav@810	463	this.name_cpx = name_cpx;
jaroslav@810	464	datalen = in.readInt();
jaroslav@810	465	data = new byte[datalen];
jaroslav@810	466	in.readFully(data);
jaroslav@810	467	}
jaroslav@810	468
jaroslav@810	469	/**
jaroslav@810	470	* Reads just the name of known attribute.
jaroslav@810	471	*/
jaroslav@810	472	public void read(int name_cpx) {
jaroslav@810	473	this.name_cpx = name_cpx;
jaroslav@810	474	}
jaroslav@810	475
jaroslav@810	476	/**
jaroslav@810	477	* Returns attribute name.
jaroslav@810	478	*/
jaroslav@810	479	public String getAttrName() {
jaroslav@810	480	return cls.getString(name_cpx);
jaroslav@810	481	}
jaroslav@810	482
jaroslav@810	483	/**
jaroslav@810	484	* Returns attribute data.
jaroslav@810	485	*/
jaroslav@810	486	public byte[] getData() {
jaroslav@810	487	return data;
jaroslav@810	488	}
jaroslav@810	489	}
jaroslav@810	490
jaroslav@810	491	/**
jaroslav@810	492	* Stores constant pool entry information with one field.
jaroslav@810	493	*
jaroslav@810	494	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	495	*/
jaroslav@810	496	private static class CPX {
jaroslav@810	497
jaroslav@810	498	int cpx;
jaroslav@810	499
jaroslav@810	500	CPX(int cpx) {
jaroslav@810	501	this.cpx = cpx;
jaroslav@810	502	}
jaroslav@810	503	}
jaroslav@810	504
jaroslav@810	505	/**
jaroslav@810	506	* Stores constant pool entry information with two fields.
jaroslav@810	507	*
jaroslav@810	508	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	509	*/
jaroslav@810	510	private static class CPX2 {
jaroslav@810	511
jaroslav@810	512	int cpx1, cpx2;
jaroslav@810	513
jaroslav@810	514	CPX2(int cpx1, int cpx2) {
jaroslav@810	515	this.cpx1 = cpx1;
jaroslav@810	516	this.cpx2 = cpx2;
jaroslav@810	517	}
jaroslav@810	518	}
jaroslav@810	519
jaroslav@810	520	/**
jaroslav@810	521	* Central data repository of the Java Disassembler. Stores all the
jaroslav@810	522	* information in java class file.
jaroslav@810	523	*
jaroslav@810	524	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	525	*/
jaroslav@810	526	static final class ClassData {
jaroslav@810	527
jaroslav@810	528	private int magic;
jaroslav@810	529	private int minor_version;
jaroslav@810	530	private int major_version;
jaroslav@810	531	private int cpool_count;
jaroslav@810	532	private Object cpool[];
jaroslav@810	533	private int access;
jaroslav@810	534	private int this_class = 0;
jaroslav@810	535	private int super_class;
jaroslav@810	536	private int interfaces_count;
jaroslav@810	537	private int[] interfaces = new int[0];
jaroslav@810	538	private FieldData[] fields;
jaroslav@810	539	private MethodData[] methods;
jaroslav@810	540	private InnerClassData[] innerClasses;
jaroslav@810	541	private int attributes_count;
jaroslav@810	542	private AttrData[] attrs;
jaroslav@810	543	private int source_cpx = 0;
jaroslav@810	544	private byte tags[];
jaroslav@810	545	private Hashtable indexHashAscii = new Hashtable();
jaroslav@810	546	private String pkgPrefix = "";
jaroslav@810	547	private int pkgPrefixLen = 0;
jaroslav@810	548
jaroslav@810	549	/**
jaroslav@810	550	* Read classfile to disassemble.
jaroslav@810	551	*/
jaroslav@810	552	public ClassData(InputStream infile) throws IOException {
jaroslav@810	553	this.read(new DataInputStream(infile));
jaroslav@810	554	}
jaroslav@810	555
jaroslav@810	556	/**
jaroslav@810	557	* Reads and stores class file information.
jaroslav@810	558	*/
jaroslav@810	559	public void read(DataInputStream in) throws IOException {
jaroslav@810	560	// Read the header
jaroslav@810	561	magic = in.readInt();
jaroslav@810	562	if (magic != JAVA_MAGIC) {
jaroslav@810	563	throw new ClassFormatError("wrong magic: "
jaroslav@810	564	+ toHex(magic) + ", expected "
jaroslav@810	565	+ toHex(JAVA_MAGIC));
jaroslav@810	566	}
jaroslav@810	567	minor_version = in.readShort();
jaroslav@810	568	major_version = in.readShort();
jaroslav@810	569	if (major_version != JAVA_VERSION) {
jaroslav@810	570	}
jaroslav@810	571
jaroslav@810	572	// Read the constant pool
jaroslav@810	573	readCP(in);
jaroslav@810	574	access = in.readUnsignedShort();
jaroslav@810	575	this_class = in.readUnsignedShort();
jaroslav@810	576	super_class = in.readUnsignedShort();
jaroslav@810	577
jaroslav@810	578	//Read interfaces.
jaroslav@810	579	interfaces_count = in.readUnsignedShort();
jaroslav@810	580	if (interfaces_count > 0) {
jaroslav@810	581	interfaces = new int[interfaces_count];
jaroslav@810	582	}
jaroslav@810	583	for (int i = 0; i < interfaces_count; i++) {
jaroslav@810	584	interfaces[i] = in.readShort();
jaroslav@810	585	}
jaroslav@810	586
jaroslav@810	587	// Read the fields
jaroslav@810	588	readFields(in);
jaroslav@810	589
jaroslav@810	590	// Read the methods
jaroslav@810	591	readMethods(in);
jaroslav@810	592
jaroslav@810	593	// Read the attributes
jaroslav@810	594	attributes_count = in.readUnsignedShort();
jaroslav@810	595	attrs = new AttrData[attributes_count];
jaroslav@810	596	for (int k = 0; k < attributes_count; k++) {
jaroslav@810	597	int name_cpx = in.readUnsignedShort();
jaroslav@810	598	if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	599	&& getString(name_cpx).equals("SourceFile")) {
jaroslav@810	600	if (in.readInt() != 2) {
jaroslav@810	601	throw new ClassFormatError("invalid attr length");
jaroslav@810	602	}
jaroslav@810	603	source_cpx = in.readUnsignedShort();
jaroslav@810	604	AttrData attr = new AttrData(this);
jaroslav@810	605	attr.read(name_cpx);
jaroslav@810	606	attrs[k] = attr;
jaroslav@810	607
jaroslav@810	608	} else if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	609	&& getString(name_cpx).equals("InnerClasses")) {
jaroslav@810	610	int length = in.readInt();
jaroslav@810	611	int num = in.readUnsignedShort();
jaroslav@810	612	if (2 + num * 8 != length) {
jaroslav@810	613	throw new ClassFormatError("invalid attr length");
jaroslav@810	614	}
jaroslav@810	615	innerClasses = new InnerClassData[num];
jaroslav@810	616	for (int j = 0; j < num; j++) {
jaroslav@810	617	InnerClassData innerClass = new InnerClassData(this);
jaroslav@810	618	innerClass.read(in);
jaroslav@810	619	innerClasses[j] = innerClass;
jaroslav@810	620	}
jaroslav@810	621	AttrData attr = new AttrData(this);
jaroslav@810	622	attr.read(name_cpx);
jaroslav@810	623	attrs[k] = attr;
jaroslav@810	624	} else {
jaroslav@810	625	AttrData attr = new AttrData(this);
jaroslav@810	626	attr.read(name_cpx, in);
jaroslav@810	627	attrs[k] = attr;
jaroslav@810	628	}
jaroslav@810	629	}
jaroslav@810	630	in.close();
jaroslav@810	631	} // end ClassData.read()
jaroslav@810	632
jaroslav@810	633	/**
jaroslav@810	634	* Reads and stores constant pool info.
jaroslav@810	635	*/
jaroslav@810	636	void readCP(DataInputStream in) throws IOException {
jaroslav@810	637	cpool_count = in.readUnsignedShort();
jaroslav@810	638	tags = new byte[cpool_count];
jaroslav@810	639	cpool = new Object[cpool_count];
jaroslav@810	640	for (int i = 1; i < cpool_count; i++) {
jaroslav@810	641	byte tag = in.readByte();
jaroslav@810	642
jaroslav@810	643	switch (tags[i] = tag) {
jaroslav@810	644	case CONSTANT_UTF8:
jaroslav@810	645	String str = in.readUTF();
jaroslav@810	646	indexHashAscii.put(cpool[i] = str, new Integer(i));
jaroslav@810	647	break;
jaroslav@810	648	case CONSTANT_INTEGER:
jaroslav@810	649	cpool[i] = new Integer(in.readInt());
jaroslav@810	650	break;
jaroslav@810	651	case CONSTANT_FLOAT:
jaroslav@810	652	cpool[i] = new Float(in.readFloat());
jaroslav@810	653	break;
jaroslav@810	654	case CONSTANT_LONG:
jaroslav@810	655	cpool[i++] = new Long(in.readLong());
jaroslav@810	656	break;
jaroslav@810	657	case CONSTANT_DOUBLE:
jaroslav@810	658	cpool[i++] = new Double(in.readDouble());
jaroslav@810	659	break;
jaroslav@810	660	case CONSTANT_CLASS:
jaroslav@810	661	case CONSTANT_STRING:
jaroslav@810	662	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@810	663	break;
jaroslav@810	664
jaroslav@810	665	case CONSTANT_FIELD:
jaroslav@810	666	case CONSTANT_METHOD:
jaroslav@810	667	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	668	case CONSTANT_NAMEANDTYPE:
jaroslav@810	669	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@810	670	break;
jaroslav@810	671
jaroslav@810	672	case 0:
jaroslav@810	673	default:
jaroslav@810	674	throw new ClassFormatError("invalid constant type: " + (int) tags[i]);
jaroslav@810	675	}
jaroslav@810	676	}
jaroslav@810	677	}
jaroslav@810	678
jaroslav@810	679	/**
jaroslav@810	680	* Reads and strores field info.
jaroslav@810	681	*/
jaroslav@810	682	protected void readFields(DataInputStream in) throws IOException {
jaroslav@810	683	int fields_count = in.readUnsignedShort();
jaroslav@810	684	fields = new FieldData[fields_count];
jaroslav@810	685	for (int k = 0; k < fields_count; k++) {
jaroslav@810	686	FieldData field = new FieldData(this);
jaroslav@810	687	field.read(in);
jaroslav@810	688	fields[k] = field;
jaroslav@810	689	}
jaroslav@810	690	}
jaroslav@810	691
jaroslav@810	692	/**
jaroslav@810	693	* Reads and strores Method info.
jaroslav@810	694	*/
jaroslav@810	695	protected void readMethods(DataInputStream in) throws IOException {
jaroslav@810	696	int methods_count = in.readUnsignedShort();
jaroslav@810	697	methods = new MethodData[methods_count];
jaroslav@810	698	for (int k = 0; k < methods_count; k++) {
jaroslav@810	699	MethodData method = new MethodData(this);
jaroslav@810	700	method.read(in);
jaroslav@810	701	methods[k] = method;
jaroslav@810	702	}
jaroslav@810	703	}
jaroslav@810	704
jaroslav@810	705	/**
jaroslav@810	706	* get a string
jaroslav@810	707	*/
jaroslav@810	708	public String getString(int n) {
jaroslav@810	709	if (n == 0) {
jaroslav@810	710	return null;
jaroslav@810	711	} else {
jaroslav@810	712	return (String) cpool[n];
jaroslav@810	713	}
jaroslav@810	714	}
jaroslav@810	715
jaroslav@810	716	/**
jaroslav@810	717	* get the type of constant given an index
jaroslav@810	718	*/
jaroslav@810	719	public byte getTag(int n) {
jaroslav@810	720	try {
jaroslav@810	721	return tags[n];
jaroslav@810	722	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	723	return (byte) 100;
jaroslav@810	724	}
jaroslav@810	725	}
jaroslav@810	726	static final String hexString = "0123456789ABCDEF";
jaroslav@810	727	public static char hexTable[] = hexString.toCharArray();
jaroslav@810	728
jaroslav@810	729	static String toHex(long val, int width) {
jaroslav@810	730	StringBuffer s = new StringBuffer();
jaroslav@810	731	for (int i = width - 1; i >= 0; i--) {
jaroslav@810	732	s.append(hexTable[((int) (val >> (4 * i))) & 0xF]);
jaroslav@810	733	}
jaroslav@810	734	return "0x" + s.toString();
jaroslav@810	735	}
jaroslav@810	736
jaroslav@810	737	static String toHex(long val) {
jaroslav@810	738	int width;
jaroslav@810	739	for (width = 16; width > 0; width--) {
jaroslav@810	740	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	741	break;
jaroslav@810	742	}
jaroslav@810	743	}
jaroslav@810	744	return toHex(val, width);
jaroslav@810	745	}
jaroslav@810	746
jaroslav@810	747	static String toHex(int val) {
jaroslav@810	748	int width;
jaroslav@810	749	for (width = 8; width > 0; width--) {
jaroslav@810	750	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	751	break;
jaroslav@810	752	}
jaroslav@810	753	}
jaroslav@810	754	return toHex(val, width);
jaroslav@810	755	}
jaroslav@810	756
jaroslav@810	757	/**
jaroslav@810	758	* Returns the name of this class.
jaroslav@810	759	*/
jaroslav@810	760	public String getClassName() {
jaroslav@810	761	String res = null;
jaroslav@810	762	if (this_class == 0) {
jaroslav@810	763	return res;
jaroslav@810	764	}
jaroslav@810	765	int tcpx;
jaroslav@810	766	try {
jaroslav@810	767	if (tags[this_class] != CONSTANT_CLASS) {
jaroslav@810	768	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	769	}
jaroslav@810	770	tcpx = ((CPX) cpool[this_class]).cpx;
jaroslav@810	771	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	772	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	773	} catch (Throwable e) {
jaroslav@810	774	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	775	}
jaroslav@810	776
jaroslav@810	777	try {
jaroslav@810	778	return (String) (cpool[tcpx]);
jaroslav@810	779	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	780	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	781	} catch (ClassCastException e) {
jaroslav@810	782	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	783	} catch (Throwable e) {
jaroslav@810	784	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	785	}
jaroslav@810	786
jaroslav@810	787	}
jaroslav@810	788
jaroslav@810	789	/**
jaroslav@810	790	* Returns the name of class at perticular index.
jaroslav@810	791	*/
jaroslav@810	792	public String getClassName(int cpx) {
jaroslav@810	793	String res = "#" + cpx;
jaroslav@810	794	if (cpx == 0) {
jaroslav@810	795	return res;
jaroslav@810	796	}
jaroslav@810	797	int scpx;
jaroslav@810	798	try {
jaroslav@810	799	if (tags[cpx] != CONSTANT_CLASS) {
jaroslav@810	800	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	801	}
jaroslav@810	802	scpx = ((CPX) cpool[cpx]).cpx;
jaroslav@810	803	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	804	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	805	} catch (Throwable e) {
jaroslav@810	806	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	807	}
jaroslav@810	808	res = "#" + scpx;
jaroslav@810	809	try {
jaroslav@810	810	return (String) (cpool[scpx]);
jaroslav@810	811	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	812	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	813	} catch (ClassCastException e) {
jaroslav@810	814	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	815	} catch (Throwable e) {
jaroslav@810	816	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	817	}
jaroslav@810	818	}
jaroslav@810	819
jaroslav@810	820	public int getAccessFlags() {
jaroslav@810	821	return access;
jaroslav@810	822	}
jaroslav@810	823
jaroslav@810	824	/**
jaroslav@810	825	* Returns true if it is a class
jaroslav@810	826	*/
jaroslav@810	827	public boolean isClass() {
jaroslav@810	828	if ((access & ACC_INTERFACE) == 0) {
jaroslav@810	829	return true;
jaroslav@810	830	}
jaroslav@810	831	return false;
jaroslav@810	832	}
jaroslav@810	833
jaroslav@810	834	/**
jaroslav@810	835	* Returns true if it is a interface.
jaroslav@810	836	*/
jaroslav@810	837	public boolean isInterface() {
jaroslav@810	838	if ((access & ACC_INTERFACE) != 0) {
jaroslav@810	839	return true;
jaroslav@810	840	}
jaroslav@810	841	return false;
jaroslav@810	842	}
jaroslav@810	843
jaroslav@810	844	/**
jaroslav@810	845	* Returns true if this member is public, false otherwise.
jaroslav@810	846	*/
jaroslav@810	847	public boolean isPublic() {
jaroslav@810	848	return (access & ACC_PUBLIC) != 0;
jaroslav@810	849	}
jaroslav@810	850
jaroslav@810	851	/**
jaroslav@810	852	* Returns the access of this class or interface.
jaroslav@810	853	*/
jaroslav@810	854	public String[] getAccess() {
jaroslav@810	855	Vector v = new Vector();
jaroslav@810	856	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	857	v.addElement("public");
jaroslav@810	858	}
jaroslav@810	859	if ((access & ACC_FINAL) != 0) {
jaroslav@810	860	v.addElement("final");
jaroslav@810	861	}
jaroslav@810	862	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	863	v.addElement("abstract");
jaroslav@810	864	}
jaroslav@810	865	String[] accflags = new String[v.size()];
jaroslav@810	866	v.copyInto(accflags);
jaroslav@810	867	return accflags;
jaroslav@810	868	}
jaroslav@810	869
jaroslav@810	870	/**
jaroslav@810	871	* Returns list of innerclasses.
jaroslav@810	872	*/
jaroslav@810	873	public InnerClassData[] getInnerClasses() {
jaroslav@810	874	return innerClasses;
jaroslav@810	875	}
jaroslav@810	876
jaroslav@810	877	/**
jaroslav@810	878	* Returns list of attributes.
jaroslav@810	879	*/
jaroslav@810	880	final AttrData[] getAttributes() {
jaroslav@810	881	return attrs;
jaroslav@810	882	}
jaroslav@810	883
jaroslav@810	884	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	885	String n = classRetention
jaroslav@810	886	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	887	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	888	return findAttr(n, attrs);
jaroslav@810	889	}
jaroslav@810	890
jaroslav@810	891	/**
jaroslav@810	892	* Returns true if superbit is set.
jaroslav@810	893	*/
jaroslav@810	894	public boolean isSuperSet() {
jaroslav@810	895	if ((access & ACC_SUPER) != 0) {
jaroslav@810	896	return true;
jaroslav@810	897	}
jaroslav@810	898	return false;
jaroslav@810	899	}
jaroslav@810	900
jaroslav@810	901	/**
jaroslav@810	902	* Returns super class name.
jaroslav@810	903	*/
jaroslav@810	904	public String getSuperClassName() {
jaroslav@810	905	String res = null;
jaroslav@810	906	if (super_class == 0) {
jaroslav@810	907	return res;
jaroslav@810	908	}
jaroslav@810	909	int scpx;
jaroslav@810	910	try {
jaroslav@810	911	if (tags[super_class] != CONSTANT_CLASS) {
jaroslav@810	912	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	913	}
jaroslav@810	914	scpx = ((CPX) cpool[super_class]).cpx;
jaroslav@810	915	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	916	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	917	} catch (Throwable e) {
jaroslav@810	918	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	919	}
jaroslav@810	920
jaroslav@810	921	try {
jaroslav@810	922	return (String) (cpool[scpx]);
jaroslav@810	923	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	924	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	925	} catch (ClassCastException e) {
jaroslav@810	926	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	927	} catch (Throwable e) {
jaroslav@810	928	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	929	}
jaroslav@810	930	}
jaroslav@810	931
jaroslav@810	932	/**
jaroslav@810	933	* Returns list of super interfaces.
jaroslav@810	934	*/
jaroslav@810	935	public String[] getSuperInterfaces() {
jaroslav@810	936	String interfacenames[] = new String[interfaces.length];
jaroslav@810	937	int interfacecpx = -1;
jaroslav@810	938	for (int i = 0; i < interfaces.length; i++) {
jaroslav@810	939	interfacecpx = ((CPX) cpool[interfaces[i]]).cpx;
jaroslav@810	940	interfacenames[i] = (String) (cpool[interfacecpx]);
jaroslav@810	941	}
jaroslav@810	942	return interfacenames;
jaroslav@810	943	}
jaroslav@810	944
jaroslav@810	945	/**
jaroslav@810	946	* Returns string at prticular constant pool index.
jaroslav@810	947	*/
jaroslav@810	948	public String getStringValue(int cpoolx) {
jaroslav@810	949	try {
jaroslav@810	950	return ((String) cpool[cpoolx]);
jaroslav@810	951	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	952	return "//invalid constant pool index:" + cpoolx;
jaroslav@810	953	} catch (ClassCastException e) {
jaroslav@810	954	return "//invalid constant pool ref:" + cpoolx;
jaroslav@810	955	}
jaroslav@810	956	}
jaroslav@810	957
jaroslav@810	958	/**
jaroslav@810	959	* Returns list of field info.
jaroslav@810	960	*/
jaroslav@810	961	public FieldData[] getFields() {
jaroslav@810	962	return fields;
jaroslav@810	963	}
jaroslav@810	964
jaroslav@810	965	/**
jaroslav@810	966	* Returns list of method info.
jaroslav@810	967	*/
jaroslav@810	968	public MethodData[] getMethods() {
jaroslav@810	969	return methods;
jaroslav@810	970	}
jaroslav@810	971
jaroslav@810	972	/**
jaroslav@810	973	* Returns constant pool entry at that index.
jaroslav@810	974	*/
jaroslav@810	975	public CPX2 getCpoolEntry(int cpx) {
jaroslav@810	976	return ((CPX2) (cpool[cpx]));
jaroslav@810	977	}
jaroslav@810	978
jaroslav@810	979	public Object getCpoolEntryobj(int cpx) {
jaroslav@810	980	return (cpool[cpx]);
jaroslav@810	981	}
jaroslav@810	982
jaroslav@810	983	/**
jaroslav@810	984	* Returns index of this class.
jaroslav@810	985	*/
jaroslav@810	986	public int getthis_cpx() {
jaroslav@810	987	return this_class;
jaroslav@810	988	}
jaroslav@810	989
jaroslav@810	990	/**
jaroslav@810	991	* Returns string at that index.
jaroslav@810	992	*/
jaroslav@810	993	public String StringValue(int cpx) {
jaroslav@810	994	return stringValue(cpx, false);
jaroslav@810	995	}
jaroslav@810	996
jaroslav@810	997	public String stringValue(int cpx, boolean textual) {
jaroslav@810	998	return stringValue(cpx, textual, null);
jaroslav@810	999	}
jaroslav@810	1000
jaroslav@810	1001	public String stringValue(int cpx, String[] classRefs) {
jaroslav@810	1002	return stringValue(cpx, true, classRefs);
jaroslav@810	1003	}
jaroslav@810	1004
jaroslav@810	1005	private String stringValue(int cpx, boolean textual, String[] refs) {
jaroslav@810	1006	if (cpx == 0) {
jaroslav@810	1007	return "#0";
jaroslav@810	1008	}
jaroslav@810	1009	int tag;
jaroslav@810	1010	Object x;
jaroslav@810	1011	String suffix = "";
jaroslav@810	1012	try {
jaroslav@810	1013	tag = tags[cpx];
jaroslav@810	1014	x = cpool[cpx];
jaroslav@810	1015	} catch (IndexOutOfBoundsException e) {
jaroslav@810	1016	return "<Incorrect CP index:" + cpx + ">";
jaroslav@810	1017	}
jaroslav@810	1018
jaroslav@810	1019	if (x == null) {
jaroslav@810	1020	return "<NULL>";
jaroslav@810	1021	}
jaroslav@810	1022	switch (tag) {
jaroslav@810	1023	case CONSTANT_UTF8: {
jaroslav@810	1024	if (!textual) {
jaroslav@810	1025	return (String) x;
jaroslav@810	1026	}
jaroslav@810	1027	StringBuilder sb = new StringBuilder();
jaroslav@810	1028	String s = (String) x;
jaroslav@810	1029	for (int k = 0; k < s.length(); k++) {
jaroslav@810	1030	char c = s.charAt(k);
jaroslav@810	1031	switch (c) {
jaroslav@810	1032	case '\\':
jaroslav@810	1033	sb.append('\\').append('\\');
jaroslav@810	1034	break;
jaroslav@810	1035	case '\t':
jaroslav@810	1036	sb.append('\\').append('t');
jaroslav@810	1037	break;
jaroslav@810	1038	case '\n':
jaroslav@810	1039	sb.append('\\').append('n');
jaroslav@810	1040	break;
jaroslav@810	1041	case '\r':
jaroslav@810	1042	sb.append('\\').append('r');
jaroslav@810	1043	break;
jaroslav@810	1044	case '\"':
jaroslav@810	1045	sb.append('\\').append('\"');
jaroslav@810	1046	break;
jaroslav@1354	1047	case '\u2028':
jaroslav@1354	1048	sb.append("\\u2028");
jaroslav@1354	1049	break;
jaroslav@1354	1050	case '\u2029':
jaroslav@1354	1051	sb.append("\\u2029");
jaroslav@1354	1052	break;
jaroslav@810	1053	default:
jaroslav@810	1054	sb.append(c);
jaroslav@810	1055	}
jaroslav@810	1056	}
jaroslav@810	1057	return sb.toString();
jaroslav@810	1058	}
jaroslav@810	1059	case CONSTANT_DOUBLE: {
jaroslav@810	1060	Double d = (Double) x;
jaroslav@810	1061	String sd = d.toString();
jaroslav@810	1062	if (textual) {
jaroslav@810	1063	return sd;
jaroslav@810	1064	}
jaroslav@810	1065	return sd + "d";
jaroslav@810	1066	}
jaroslav@810	1067	case CONSTANT_FLOAT: {
jaroslav@810	1068	Float f = (Float) x;
jaroslav@810	1069	String sf = (f).toString();
jaroslav@810	1070	if (textual) {
jaroslav@810	1071	return sf;
jaroslav@810	1072	}
jaroslav@810	1073	return sf + "f";
jaroslav@810	1074	}
jaroslav@810	1075	case CONSTANT_LONG: {
jaroslav@810	1076	Long ln = (Long) x;
jaroslav@810	1077	if (textual) {
jaroslav@810	1078	return ln.toString();
jaroslav@810	1079	}
jaroslav@810	1080	return ln.toString() + 'l';
jaroslav@810	1081	}
jaroslav@810	1082	case CONSTANT_INTEGER: {
jaroslav@810	1083	Integer in = (Integer) x;
jaroslav@810	1084	return in.toString();
jaroslav@810	1085	}
jaroslav@810	1086	case CONSTANT_CLASS:
jaroslav@810	1087	String jn = getClassName(cpx);
jaroslav@810	1088	if (textual) {
jaroslav@810	1089	if (refs != null) {
jaroslav@810	1090	refs[0] = jn;
jaroslav@810	1091	}
jaroslav@810	1092	return jn;
jaroslav@810	1093	}
jaroslav@810	1094	return javaName(jn);
jaroslav@810	1095	case CONSTANT_STRING:
jaroslav@810	1096	String sv = stringValue(((CPX) x).cpx, textual);
jaroslav@810	1097	if (textual) {
jaroslav@810	1098	return '"' + sv + '"';
jaroslav@810	1099	} else {
jaroslav@810	1100	return sv;
jaroslav@810	1101	}
jaroslav@810	1102	case CONSTANT_FIELD:
jaroslav@810	1103	case CONSTANT_METHOD:
jaroslav@810	1104	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	1105	//return getShortClassName(((CPX2)x).cpx1)+"."+StringValue(((CPX2)x).cpx2);
jaroslav@810	1106	return javaName(getClassName(((CPX2) x).cpx1)) + "." + StringValue(((CPX2) x).cpx2);
jaroslav@810	1107
jaroslav@810	1108	case CONSTANT_NAMEANDTYPE:
jaroslav@810	1109	return getName(((CPX2) x).cpx1) + ":" + StringValue(((CPX2) x).cpx2);
jaroslav@810	1110	default:
jaroslav@810	1111	return "UnknownTag"; //TBD
jaroslav@810	1112	}
jaroslav@810	1113	}
jaroslav@810	1114
jaroslav@810	1115	/**
jaroslav@810	1116	* Returns resolved java type name.
jaroslav@810	1117	*/
jaroslav@810	1118	public String javaName(String name) {
jaroslav@810	1119	if (name == null) {
jaroslav@810	1120	return "null";
jaroslav@810	1121	}
jaroslav@810	1122	int len = name.length();
jaroslav@810	1123	if (len == 0) {
jaroslav@810	1124	return "\"\"";
jaroslav@810	1125	}
jaroslav@810	1126	int cc = '/';
jaroslav@810	1127	fullname:
jaroslav@810	1128	{ // xxx/yyy/zzz
jaroslav@810	1129	int cp;
jaroslav@810	1130	for (int k = 0; k < len; k += Character.charCount(cp)) {
jaroslav@810	1131	cp = name.codePointAt(k);
jaroslav@810	1132	if (cc == '/') {
jaroslav@810	1133	if (!isJavaIdentifierStart(cp)) {
jaroslav@810	1134	break fullname;
jaroslav@810	1135	}
jaroslav@810	1136	} else if (cp != '/') {
jaroslav@810	1137	if (!isJavaIdentifierPart(cp)) {
jaroslav@810	1138	break fullname;
jaroslav@810	1139	}
jaroslav@810	1140	}
jaroslav@810	1141	cc = cp;
jaroslav@810	1142	}
jaroslav@810	1143	return name;
jaroslav@810	1144	}
jaroslav@810	1145	return "\"" + name + "\"";
jaroslav@810	1146	}
jaroslav@810	1147
jaroslav@810	1148	public String getName(int cpx) {
jaroslav@810	1149	String res;
jaroslav@810	1150	try {
jaroslav@810	1151	return javaName((String) cpool[cpx]); //.replace('/','.');
jaroslav@810	1152	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1153	return "<invalid constant pool index:" + cpx + ">";
jaroslav@810	1154	} catch (ClassCastException e) {
jaroslav@810	1155	return "<invalid constant pool ref:" + cpx + ">";
jaroslav@810	1156	}
jaroslav@810	1157	}
jaroslav@810	1158
jaroslav@810	1159	/**
jaroslav@810	1160	* Returns unqualified class name.
jaroslav@810	1161	*/
jaroslav@810	1162	public String getShortClassName(int cpx) {
jaroslav@810	1163	String classname = javaName(getClassName(cpx));
jaroslav@810	1164	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1165	if (pkgPrefixLen != 0) {
jaroslav@810	1166	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1167	if (classname.startsWith(pkgPrefix)) {
jaroslav@810	1168	return classname.substring(pkgPrefixLen);
jaroslav@810	1169	}
jaroslav@810	1170	}
jaroslav@810	1171	return classname;
jaroslav@810	1172	}
jaroslav@810	1173
jaroslav@810	1174	/**
jaroslav@810	1175	* Returns source file name.
jaroslav@810	1176	*/
jaroslav@810	1177	public String getSourceName() {
jaroslav@810	1178	return getName(source_cpx);
jaroslav@810	1179	}
jaroslav@810	1180
jaroslav@810	1181	/**
jaroslav@810	1182	* Returns package name.
jaroslav@810	1183	*/
jaroslav@810	1184	public String getPkgName() {
jaroslav@810	1185	String classname = getClassName(this_class);
jaroslav@810	1186	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1187	if (pkgPrefixLen != 0) {
jaroslav@810	1188	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1189	return ("package " + pkgPrefix.substring(0, pkgPrefixLen - 1) + ";\n");
jaroslav@810	1190	} else {
jaroslav@810	1191	return null;
jaroslav@810	1192	}
jaroslav@810	1193	}
jaroslav@810	1194
jaroslav@810	1195	/**
jaroslav@810	1196	* Returns total constant pool entry count.
jaroslav@810	1197	*/
jaroslav@810	1198	public int getCpoolCount() {
jaroslav@810	1199	return cpool_count;
jaroslav@810	1200	}
jaroslav@810	1201
jaroslav@810	1202	/**
jaroslav@810	1203	* Returns minor version of class file.
jaroslav@810	1204	*/
jaroslav@810	1205	public int getMinor_version() {
jaroslav@810	1206	return minor_version;
jaroslav@810	1207	}
jaroslav@810	1208
jaroslav@810	1209	/**
jaroslav@810	1210	* Returns major version of class file.
jaroslav@810	1211	*/
jaroslav@810	1212	public int getMajor_version() {
jaroslav@810	1213	return major_version;
jaroslav@810	1214	}
jaroslav@810	1215
jaroslav@810	1216	private boolean isJavaIdentifierStart(int cp) {
jaroslav@810	1217	return ('a' <= cp && cp <= 'z') \|\| ('A' <= cp && cp <= 'Z');
jaroslav@810	1218	}
jaroslav@810	1219
jaroslav@810	1220	private boolean isJavaIdentifierPart(int cp) {
jaroslav@810	1221	return isJavaIdentifierStart(cp) \|\| ('0' <= cp && cp <= '9');
jaroslav@810	1222	}
jaroslav@810	1223
jaroslav@810	1224	public String[] getNameAndType(int indx) {
jaroslav@810	1225	return getNameAndType(indx, 0, new String[2]);
jaroslav@810	1226	}
jaroslav@810	1227
jaroslav@810	1228	private String[] getNameAndType(int indx, int at, String[] arr) {
jaroslav@810	1229	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1230	arr[at] = StringValue(c2.cpx1);
jaroslav@810	1231	arr[at + 1] = StringValue(c2.cpx2);
jaroslav@810	1232	return arr;
jaroslav@810	1233	}
jaroslav@810	1234
jaroslav@810	1235	public String[] getFieldInfoName(int indx) {
jaroslav@810	1236	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1237	String[] arr = new String[3];
jaroslav@810	1238	arr[0] = getClassName(c2.cpx1);
jaroslav@810	1239	return getNameAndType(c2.cpx2, 1, arr);
jaroslav@810	1240	}
jaroslav@810	1241
jaroslav@810	1242	static byte[] findAttr(String n, AttrData[] attrs) {
jaroslav@810	1243	for (AttrData ad : attrs) {
jaroslav@810	1244	if (n.equals(ad.getAttrName())) {
jaroslav@810	1245	return ad.getData();
jaroslav@810	1246	}
jaroslav@810	1247	}
jaroslav@810	1248	return null;
jaroslav@810	1249	}
jaroslav@810	1250	}
jaroslav@810	1251
jaroslav@810	1252	/**
jaroslav@810	1253	* Strores field data informastion.
jaroslav@810	1254	*
jaroslav@810	1255	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1256	*/
jaroslav@810	1257	static class FieldData {
jaroslav@810	1258
jaroslav@810	1259	ClassData cls;
jaroslav@810	1260	int access;
jaroslav@810	1261	int name_index;
jaroslav@810	1262	int descriptor_index;
jaroslav@810	1263	int attributes_count;
jaroslav@810	1264	int value_cpx = 0;
jaroslav@810	1265	boolean isSynthetic = false;
jaroslav@810	1266	boolean isDeprecated = false;
jaroslav@810	1267	Vector attrs;
jaroslav@810	1268
jaroslav@810	1269	public FieldData(ClassData cls) {
jaroslav@810	1270	this.cls = cls;
jaroslav@810	1271	}
jaroslav@810	1272
jaroslav@810	1273	/**
jaroslav@810	1274	* Read and store field info.
jaroslav@810	1275	*/
jaroslav@810	1276	public void read(DataInputStream in) throws IOException {
jaroslav@810	1277	access = in.readUnsignedShort();
jaroslav@810	1278	name_index = in.readUnsignedShort();
jaroslav@810	1279	descriptor_index = in.readUnsignedShort();
jaroslav@810	1280	// Read the attributes
jaroslav@810	1281	int attributes_count = in.readUnsignedShort();
jaroslav@810	1282	attrs = new Vector(attributes_count);
jaroslav@810	1283	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1284	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1285	if (cls.getTag(attr_name_index) != CONSTANT_UTF8) {
jaroslav@810	1286	continue;
jaroslav@810	1287	}
jaroslav@810	1288	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1289	if (attr_name.equals("ConstantValue")) {
jaroslav@810	1290	if (in.readInt() != 2) {
jaroslav@810	1291	throw new ClassFormatError("invalid ConstantValue attr length");
jaroslav@810	1292	}
jaroslav@810	1293	value_cpx = in.readUnsignedShort();
jaroslav@810	1294	AttrData attr = new AttrData(cls);
jaroslav@810	1295	attr.read(attr_name_index);
jaroslav@810	1296	attrs.addElement(attr);
jaroslav@810	1297	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1298	if (in.readInt() != 0) {
jaroslav@810	1299	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1300	}
jaroslav@810	1301	isSynthetic = true;
jaroslav@810	1302	AttrData attr = new AttrData(cls);
jaroslav@810	1303	attr.read(attr_name_index);
jaroslav@810	1304	attrs.addElement(attr);
jaroslav@810	1305	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1306	if (in.readInt() != 0) {
jaroslav@810	1307	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1308	}
jaroslav@810	1309	isDeprecated = true;
jaroslav@810	1310	AttrData attr = new AttrData(cls);
jaroslav@810	1311	attr.read(attr_name_index);
jaroslav@810	1312	attrs.addElement(attr);
jaroslav@810	1313	} else {
jaroslav@810	1314	AttrData attr = new AttrData(cls);
jaroslav@810	1315	attr.read(attr_name_index, in);
jaroslav@810	1316	attrs.addElement(attr);
jaroslav@810	1317	}
jaroslav@810	1318	}
jaroslav@810	1319
jaroslav@810	1320	} // end read
jaroslav@810	1321
jaroslav@810	1322	public boolean isStatic() {
jaroslav@810	1323	return (access & ACC_STATIC) != 0;
jaroslav@810	1324	}
jaroslav@810	1325
jaroslav@810	1326	/**
jaroslav@810	1327	* Returns access of a field.
jaroslav@810	1328	*/
jaroslav@810	1329	public String[] getAccess() {
jaroslav@810	1330	Vector v = new Vector();
jaroslav@810	1331	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1332	v.addElement("public");
jaroslav@810	1333	}
jaroslav@810	1334	if ((access & ACC_PRIVATE) != 0) {
jaroslav@810	1335	v.addElement("private");
jaroslav@810	1336	}
jaroslav@810	1337	if ((access & ACC_PROTECTED) != 0) {
jaroslav@810	1338	v.addElement("protected");
jaroslav@810	1339	}
jaroslav@810	1340	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1341	v.addElement("static");
jaroslav@810	1342	}
jaroslav@810	1343	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1344	v.addElement("final");
jaroslav@810	1345	}
jaroslav@810	1346	if ((access & ACC_VOLATILE) != 0) {
jaroslav@810	1347	v.addElement("volatile");
jaroslav@810	1348	}
jaroslav@810	1349	if ((access & ACC_TRANSIENT) != 0) {
jaroslav@810	1350	v.addElement("transient");
jaroslav@810	1351	}
jaroslav@810	1352	String[] accflags = new String[v.size()];
jaroslav@810	1353	v.copyInto(accflags);
jaroslav@810	1354	return accflags;
jaroslav@810	1355	}
jaroslav@810	1356
jaroslav@810	1357	/**
jaroslav@810	1358	* Returns name of a field.
jaroslav@810	1359	*/
jaroslav@810	1360	public String getName() {
jaroslav@810	1361	return cls.getStringValue(name_index);
jaroslav@810	1362	}
jaroslav@810	1363
jaroslav@810	1364	/**
jaroslav@810	1365	* Returns internal signature of a field
jaroslav@810	1366	*/
jaroslav@810	1367	public String getInternalSig() {
jaroslav@810	1368	return cls.getStringValue(descriptor_index);
jaroslav@810	1369	}
jaroslav@810	1370
jaroslav@810	1371	/**
jaroslav@810	1372	* Returns true if field is synthetic.
jaroslav@810	1373	*/
jaroslav@810	1374	public boolean isSynthetic() {
jaroslav@810	1375	return isSynthetic;
jaroslav@810	1376	}
jaroslav@810	1377
jaroslav@810	1378	/**
jaroslav@810	1379	* Returns true if field is deprecated.
jaroslav@810	1380	*/
jaroslav@810	1381	public boolean isDeprecated() {
jaroslav@810	1382	return isDeprecated;
jaroslav@810	1383	}
jaroslav@810	1384
jaroslav@810	1385	/**
jaroslav@810	1386	* Returns index of constant value in cpool.
jaroslav@810	1387	*/
jaroslav@810	1388	public int getConstantValueIndex() {
jaroslav@810	1389	return (value_cpx);
jaroslav@810	1390	}
jaroslav@810	1391
jaroslav@810	1392	/**
jaroslav@810	1393	* Returns list of attributes of field.
jaroslav@810	1394	*/
jaroslav@810	1395	public Vector getAttributes() {
jaroslav@810	1396	return attrs;
jaroslav@810	1397	}
jaroslav@810	1398
jaroslav@810	1399	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	1400	String n = classRetention
jaroslav@810	1401	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	1402	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	1403	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	1404	attrs.copyInto(arr);
jaroslav@810	1405	return ClassData.findAttr(n, arr);
jaroslav@810	1406	}
jaroslav@810	1407	}
jaroslav@810	1408
jaroslav@810	1409	/**
jaroslav@810	1410	* A JavaScript optimized replacement for Hashtable.
jaroslav@810	1411	*
jaroslav@810	1412	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	1413	*/
jaroslav@810	1414	private static final class Hashtable {
jaroslav@810	1415
jaroslav@810	1416	private Object[] keys;
jaroslav@810	1417	private Object[] values;
jaroslav@810	1418
jaroslav@810	1419	Hashtable(int i) {
jaroslav@810	1420	this();
jaroslav@810	1421	}
jaroslav@810	1422
jaroslav@810	1423	Hashtable(int i, double d) {
jaroslav@810	1424	this();
jaroslav@810	1425	}
jaroslav@810	1426
jaroslav@810	1427	Hashtable() {
jaroslav@810	1428	}
jaroslav@810	1429
jaroslav@810	1430	synchronized void put(Object key, Object val) {
jaroslav@810	1431	int[] where = {-1, -1};
jaroslav@810	1432	Object found = get(key, where);
jaroslav@810	1433	if (where[0] != -1) {
jaroslav@810	1434	// key exists
jaroslav@810	1435	values[where[0]] = val;
jaroslav@810	1436	} else {
jaroslav@810	1437	if (where[1] != -1) {
jaroslav@810	1438	// null found
jaroslav@810	1439	keys[where[1]] = key;
jaroslav@810	1440	values[where[1]] = val;
jaroslav@810	1441	} else {
jaroslav@810	1442	if (keys == null) {
jaroslav@810	1443	keys = new Object[11];
jaroslav@810	1444	values = new Object[11];
jaroslav@810	1445	keys[0] = key;
jaroslav@810	1446	values[0] = val;
jaroslav@810	1447	} else {
jaroslav@810	1448	Object[] newKeys = new Object[keys.length * 2];
jaroslav@810	1449	Object[] newValues = new Object[values.length * 2];
jaroslav@810	1450	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1451	newKeys[i] = keys[i];
jaroslav@810	1452	newValues[i] = values[i];
jaroslav@810	1453	}
jaroslav@810	1454	newKeys[keys.length] = key;
jaroslav@810	1455	newValues[keys.length] = val;
jaroslav@810	1456	keys = newKeys;
jaroslav@810	1457	values = newValues;
jaroslav@810	1458	}
jaroslav@810	1459	}
jaroslav@810	1460	}
jaroslav@810	1461	}
jaroslav@810	1462
jaroslav@810	1463	Object get(Object key) {
jaroslav@810	1464	return get(key, null);
jaroslav@810	1465	}
jaroslav@810	1466
jaroslav@810	1467	private synchronized Object get(Object key, int[] foundAndNull) {
jaroslav@810	1468	if (keys == null) {
jaroslav@810	1469	return null;
jaroslav@810	1470	}
jaroslav@810	1471	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1472	if (keys[i] == null) {
jaroslav@810	1473	if (foundAndNull != null) {
jaroslav@810	1474	foundAndNull[1] = i;
jaroslav@810	1475	}
jaroslav@810	1476	} else if (keys[i].equals(key)) {
jaroslav@810	1477	if (foundAndNull != null) {
jaroslav@810	1478	foundAndNull[0] = i;
jaroslav@810	1479	}
jaroslav@810	1480	return values[i];
jaroslav@810	1481	}
jaroslav@810	1482	}
jaroslav@810	1483	return null;
jaroslav@810	1484	}
jaroslav@810	1485	}
jaroslav@810	1486
jaroslav@810	1487	/**
jaroslav@810	1488	* Strores InnerClass data informastion.
jaroslav@810	1489	*
jaroslav@810	1490	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1491	*/
jaroslav@810	1492	private static class InnerClassData {
jaroslav@810	1493
jaroslav@810	1494	ClassData cls;
jaroslav@810	1495	int inner_class_info_index, outer_class_info_index, inner_name_index, access;
jaroslav@810	1496
jaroslav@810	1497	public InnerClassData(ClassData cls) {
jaroslav@810	1498	this.cls = cls;
jaroslav@810	1499
jaroslav@810	1500	}
jaroslav@810	1501
jaroslav@810	1502	/**
jaroslav@810	1503	* Read Innerclass attribute data.
jaroslav@810	1504	*/
jaroslav@810	1505	public void read(DataInputStream in) throws IOException {
jaroslav@810	1506	inner_class_info_index = in.readUnsignedShort();
jaroslav@810	1507	outer_class_info_index = in.readUnsignedShort();
jaroslav@810	1508	inner_name_index = in.readUnsignedShort();
jaroslav@810	1509	access = in.readUnsignedShort();
jaroslav@810	1510	} // end read
jaroslav@810	1511
jaroslav@810	1512	/**
jaroslav@810	1513	* Returns the access of this class or interface.
jaroslav@810	1514	*/
jaroslav@810	1515	public String[] getAccess() {
jaroslav@810	1516	Vector v = new Vector();
jaroslav@810	1517	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1518	v.addElement("public");
jaroslav@810	1519	}
jaroslav@810	1520	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1521	v.addElement("final");
jaroslav@810	1522	}
jaroslav@810	1523	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	1524	v.addElement("abstract");
jaroslav@810	1525	}
jaroslav@810	1526	String[] accflags = new String[v.size()];
jaroslav@810	1527	v.copyInto(accflags);
jaroslav@810	1528	return accflags;
jaroslav@810	1529	}
jaroslav@810	1530	} // end InnerClassData
jaroslav@810	1531
jaroslav@810	1532	/**
jaroslav@810	1533	* Strores LineNumberTable data information.
jaroslav@810	1534	*
jaroslav@810	1535	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1536	*/
jaroslav@810	1537	private static class LineNumData {
jaroslav@810	1538
jaroslav@810	1539	short start_pc, line_number;
jaroslav@810	1540
jaroslav@810	1541	public LineNumData() {
jaroslav@810	1542	}
jaroslav@810	1543
jaroslav@810	1544	/**
jaroslav@810	1545	* Read LineNumberTable attribute.
jaroslav@810	1546	*/
jaroslav@810	1547	public LineNumData(DataInputStream in) throws IOException {
jaroslav@810	1548	start_pc = in.readShort();
jaroslav@810	1549	line_number = in.readShort();
jaroslav@810	1550
jaroslav@810	1551	}
jaroslav@810	1552	}
jaroslav@810	1553
jaroslav@810	1554	/**
jaroslav@810	1555	* Strores LocalVariableTable data information.
jaroslav@810	1556	*
jaroslav@810	1557	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1558	*/
jaroslav@810	1559	private static class LocVarData {
jaroslav@810	1560
jaroslav@810	1561	short start_pc, length, name_cpx, sig_cpx, slot;
jaroslav@810	1562
jaroslav@810	1563	public LocVarData() {
jaroslav@810	1564	}
jaroslav@810	1565
jaroslav@810	1566	/**
jaroslav@810	1567	* Read LocalVariableTable attribute.
jaroslav@810	1568	*/
jaroslav@810	1569	public LocVarData(DataInputStream in) throws IOException {
jaroslav@810	1570	start_pc = in.readShort();
jaroslav@810	1571	length = in.readShort();
jaroslav@810	1572	name_cpx = in.readShort();
jaroslav@810	1573	sig_cpx = in.readShort();
jaroslav@810	1574	slot = in.readShort();
jaroslav@810	1575
jaroslav@810	1576	}
jaroslav@810	1577	}
jaroslav@810	1578	/**
jaroslav@810	1579	* Strores method data informastion.
jaroslav@810	1580	*
jaroslav@810	1581	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1582	*/
jaroslav@810	1583	static class MethodData {
jaroslav@810	1584
jaroslav@810	1585	ClassData cls;
jaroslav@810	1586	int access;
jaroslav@810	1587	int name_index;
jaroslav@810	1588	int descriptor_index;
jaroslav@810	1589	int attributes_count;
jaroslav@810	1590	byte[] code;
jaroslav@810	1591	Vector exception_table = new Vector(0);
jaroslav@810	1592	Vector lin_num_tb = new Vector(0);
jaroslav@810	1593	Vector loc_var_tb = new Vector(0);
jaroslav@810	1594	StackMapTableData[] stackMapTable;
jaroslav@810	1595	StackMapData[] stackMap;
jaroslav@810	1596	int[] exc_index_table = null;
jaroslav@810	1597	Vector attrs = new Vector(0);
jaroslav@810	1598	Vector code_attrs = new Vector(0);
jaroslav@810	1599	int max_stack, max_locals;
jaroslav@810	1600	boolean isSynthetic = false;
jaroslav@810	1601	boolean isDeprecated = false;
jaroslav@810	1602
jaroslav@810	1603	public MethodData(ClassData cls) {
jaroslav@810	1604	this.cls = cls;
jaroslav@810	1605	}
jaroslav@810	1606
jaroslav@810	1607	/**
jaroslav@810	1608	* Read method info.
jaroslav@810	1609	*/
jaroslav@810	1610	public void read(DataInputStream in) throws IOException {
jaroslav@810	1611	access = in.readUnsignedShort();
jaroslav@810	1612	name_index = in.readUnsignedShort();
jaroslav@810	1613	descriptor_index = in.readUnsignedShort();
jaroslav@810	1614	int attributes_count = in.readUnsignedShort();
jaroslav@810	1615	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1616	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1617
jaroslav@810	1618	readAttr:
jaroslav@810	1619	{
jaroslav@810	1620	if (cls.getTag(attr_name_index) == CONSTANT_UTF8) {
jaroslav@810	1621	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1622	if (attr_name.equals("Code")) {
jaroslav@810	1623	readCode(in);
jaroslav@810	1624	AttrData attr = new AttrData(cls);
jaroslav@810	1625	attr.read(attr_name_index);
jaroslav@810	1626	attrs.addElement(attr);
jaroslav@810	1627	break readAttr;
jaroslav@810	1628	} else if (attr_name.equals("Exceptions")) {
jaroslav@810	1629	readExceptions(in);
jaroslav@810	1630	AttrData attr = new AttrData(cls);
jaroslav@810	1631	attr.read(attr_name_index);
jaroslav@810	1632	attrs.addElement(attr);
jaroslav@810	1633	break readAttr;
jaroslav@810	1634	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1635	if (in.readInt() != 0) {
jaroslav@810	1636	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1637	}
jaroslav@810	1638	isSynthetic = true;
jaroslav@810	1639	AttrData attr = new AttrData(cls);
jaroslav@810	1640	attr.read(attr_name_index);
jaroslav@810	1641	attrs.addElement(attr);
jaroslav@810	1642	break readAttr;
jaroslav@810	1643	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1644	if (in.readInt() != 0) {
jaroslav@810	1645	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1646	}
jaroslav@810	1647	isDeprecated = true;
jaroslav@810	1648	AttrData attr = new AttrData(cls);
jaroslav@810	1649	attr.read(attr_name_index);
jaroslav@810	1650	attrs.addElement(attr);
jaroslav@810	1651	break readAttr;
jaroslav@810	1652	}
jaroslav@810	1653	}
jaroslav@810	1654	AttrData attr = new AttrData(cls);
jaroslav@810	1655	attr.read(attr_name_index, in);
jaroslav@810	1656	attrs.addElement(attr);
jaroslav@810	1657	}
jaroslav@810	1658	}
jaroslav@810	1659	}
jaroslav@810	1660
jaroslav@810	1661	/**
jaroslav@810	1662	* Read code attribute info.
jaroslav@810	1663	*/
jaroslav@810	1664	public void readCode(DataInputStream in) throws IOException {
jaroslav@810	1665
jaroslav@810	1666	int attr_length = in.readInt();
jaroslav@810	1667	max_stack = in.readUnsignedShort();
jaroslav@810	1668	max_locals = in.readUnsignedShort();
jaroslav@810	1669	int codelen = in.readInt();
jaroslav@810	1670
jaroslav@810	1671	code = new byte[codelen];
jaroslav@810	1672	int totalread = 0;
jaroslav@810	1673	while (totalread < codelen) {
jaroslav@810	1674	totalread += in.read(code, totalread, codelen - totalread);
jaroslav@810	1675	}
jaroslav@810	1676	// in.read(code, 0, codelen);
jaroslav@810	1677	int clen = 0;
jaroslav@810	1678	readExceptionTable(in);
jaroslav@810	1679	int code_attributes_count = in.readUnsignedShort();
jaroslav@810	1680
jaroslav@810	1681	for (int k = 0; k < code_attributes_count; k++) {
jaroslav@810	1682	int table_name_index = in.readUnsignedShort();
jaroslav@810	1683	int table_name_tag = cls.getTag(table_name_index);
jaroslav@810	1684	AttrData attr = new AttrData(cls);
jaroslav@810	1685	if (table_name_tag == CONSTANT_UTF8) {
jaroslav@810	1686	String table_name_tstr = cls.getString(table_name_index);
jaroslav@810	1687	if (table_name_tstr.equals("LineNumberTable")) {
jaroslav@810	1688	readLineNumTable(in);
jaroslav@810	1689	attr.read(table_name_index);
jaroslav@810	1690	} else if (table_name_tstr.equals("LocalVariableTable")) {
jaroslav@810	1691	readLocVarTable(in);
jaroslav@810	1692	attr.read(table_name_index);
jaroslav@810	1693	} else if (table_name_tstr.equals("StackMapTable")) {
jaroslav@810	1694	readStackMapTable(in);
jaroslav@810	1695	attr.read(table_name_index);
jaroslav@810	1696	} else if (table_name_tstr.equals("StackMap")) {
jaroslav@810	1697	readStackMap(in);
jaroslav@810	1698	attr.read(table_name_index);
jaroslav@810	1699	} else {
jaroslav@810	1700	attr.read(table_name_index, in);
jaroslav@810	1701	}
jaroslav@810	1702	code_attrs.addElement(attr);
jaroslav@810	1703	continue;
jaroslav@810	1704	}
jaroslav@810	1705
jaroslav@810	1706	attr.read(table_name_index, in);
jaroslav@810	1707	code_attrs.addElement(attr);
jaroslav@810	1708	}
jaroslav@810	1709	}
jaroslav@810	1710
jaroslav@810	1711	/**
jaroslav@810	1712	* Read exception table info.
jaroslav@810	1713	*/
jaroslav@810	1714	void readExceptionTable(DataInputStream in) throws IOException {
jaroslav@810	1715	int exception_table_len = in.readUnsignedShort();
jaroslav@810	1716	exception_table = new Vector(exception_table_len);
jaroslav@810	1717	for (int l = 0; l < exception_table_len; l++) {
jaroslav@810	1718	exception_table.addElement(new TrapData(in, l));
jaroslav@810	1719	}
jaroslav@810	1720	}
jaroslav@810	1721
jaroslav@810	1722	/**
jaroslav@810	1723	* Read LineNumberTable attribute info.
jaroslav@810	1724	*/
jaroslav@810	1725	void readLineNumTable(DataInputStream in) throws IOException {
jaroslav@810	1726	int attr_len = in.readInt(); // attr_length
jaroslav@810	1727	int lin_num_tb_len = in.readUnsignedShort();
jaroslav@810	1728	lin_num_tb = new Vector(lin_num_tb_len);
jaroslav@810	1729	for (int l = 0; l < lin_num_tb_len; l++) {
jaroslav@810	1730	lin_num_tb.addElement(new LineNumData(in));
jaroslav@810	1731	}
jaroslav@810	1732	}
jaroslav@810	1733
jaroslav@810	1734	/**
jaroslav@810	1735	* Read LocalVariableTable attribute info.
jaroslav@810	1736	*/
jaroslav@810	1737	void readLocVarTable(DataInputStream in) throws IOException {
jaroslav@810	1738	int attr_len = in.readInt(); // attr_length
jaroslav@810	1739	int loc_var_tb_len = in.readUnsignedShort();
jaroslav@810	1740	loc_var_tb = new Vector(loc_var_tb_len);
jaroslav@810	1741	for (int l = 0; l < loc_var_tb_len; l++) {
jaroslav@810	1742	loc_var_tb.addElement(new LocVarData(in));
jaroslav@810	1743	}
jaroslav@810	1744	}
jaroslav@810	1745
jaroslav@810	1746	/**
jaroslav@810	1747	* Read Exception attribute info.
jaroslav@810	1748	*/
jaroslav@810	1749	public void readExceptions(DataInputStream in) throws IOException {
jaroslav@810	1750	int attr_len = in.readInt(); // attr_length in prog
jaroslav@810	1751	int num_exceptions = in.readUnsignedShort();
jaroslav@810	1752	exc_index_table = new int[num_exceptions];
jaroslav@810	1753	for (int l = 0; l < num_exceptions; l++) {
jaroslav@810	1754	int exc = in.readShort();
jaroslav@810	1755	exc_index_table[l] = exc;
jaroslav@810	1756	}
jaroslav@810	1757	}
jaroslav@810	1758
jaroslav@810	1759	/**
jaroslav@810	1760	* Read StackMapTable attribute info.
jaroslav@810	1761	*/
jaroslav@810	1762	void readStackMapTable(DataInputStream in) throws IOException {
jaroslav@810	1763	int attr_len = in.readInt(); //attr_length
jaroslav@810	1764	int stack_map_tb_len = in.readUnsignedShort();
jaroslav@810	1765	stackMapTable = new StackMapTableData[stack_map_tb_len];
jaroslav@810	1766	for (int i = 0; i < stack_map_tb_len; i++) {
jaroslav@810	1767	stackMapTable[i] = StackMapTableData.getInstance(in, this);
jaroslav@810	1768	}
jaroslav@810	1769	}
jaroslav@810	1770
jaroslav@810	1771	/**
jaroslav@810	1772	* Read StackMap attribute info.
jaroslav@810	1773	*/
jaroslav@810	1774	void readStackMap(DataInputStream in) throws IOException {
jaroslav@810	1775	int attr_len = in.readInt(); //attr_length
jaroslav@810	1776	int stack_map_len = in.readUnsignedShort();
jaroslav@810	1777	stackMap = new StackMapData[stack_map_len];
jaroslav@810	1778	for (int i = 0; i < stack_map_len; i++) {
jaroslav@810	1779	stackMap[i] = new StackMapData(in, this);
jaroslav@810	1780	}
jaroslav@810	1781	}
jaroslav@810	1782
jaroslav@810	1783	/**
jaroslav@810	1784	* Return access of the method.
jaroslav@810	1785	*/
jaroslav@810	1786	public int getAccess() {
jaroslav@810	1787	return access;
jaroslav@810	1788	}
jaroslav@810	1789
jaroslav@810	1790	/**
jaroslav@810	1791	* Return name of the method.
jaroslav@810	1792	*/
jaroslav@810	1793	public String getName() {
jaroslav@810	1794	return cls.getStringValue(name_index);
jaroslav@810	1795	}
jaroslav@810	1796
jaroslav@810	1797	/**
jaroslav@810	1798	* Return internal siganature of the method.
jaroslav@810	1799	*/
jaroslav@810	1800	public String getInternalSig() {
jaroslav@810	1801	return cls.getStringValue(descriptor_index);
jaroslav@810	1802	}
jaroslav@810	1803
jaroslav@810	1804	/**
jaroslav@810	1805	* Return code attribute data of a method.
jaroslav@810	1806	*/
jaroslav@810	1807	public byte[] getCode() {
jaroslav@810	1808	return code;
jaroslav@810	1809	}
jaroslav@810	1810
jaroslav@810	1811	/**
jaroslav@810	1812	* Return LineNumberTable size.
jaroslav@810	1813	*/
jaroslav@810	1814	public int getnumlines() {
jaroslav@810	1815	return lin_num_tb.size();
jaroslav@810	1816	}
jaroslav@810	1817
jaroslav@810	1818	/**
jaroslav@810	1819	* Return LineNumberTable
jaroslav@810	1820	*/
jaroslav@810	1821	public Vector getlin_num_tb() {
jaroslav@810	1822	return lin_num_tb;
jaroslav@810	1823	}
jaroslav@810	1824
jaroslav@810	1825	/**
jaroslav@810	1826	* Return LocalVariableTable size.
jaroslav@810	1827	*/
jaroslav@810	1828	public int getloc_var_tbsize() {
jaroslav@810	1829	return loc_var_tb.size();
jaroslav@810	1830	}
jaroslav@810	1831
jaroslav@810	1832	/**
jaroslav@810	1833	* Return LocalVariableTable.
jaroslav@810	1834	*/
jaroslav@810	1835	public Vector getloc_var_tb() {
jaroslav@810	1836	return loc_var_tb;
jaroslav@810	1837	}
jaroslav@810	1838
jaroslav@810	1839	/**
jaroslav@810	1840	* Return StackMap.
jaroslav@810	1841	*/
jaroslav@810	1842	public StackMapData[] getStackMap() {
jaroslav@810	1843	return stackMap;
jaroslav@810	1844	}
jaroslav@810	1845
jaroslav@810	1846	/**
jaroslav@810	1847	* Return StackMapTable.
jaroslav@810	1848	*/
jaroslav@810	1849	public StackMapTableData[] getStackMapTable() {
jaroslav@810	1850	return stackMapTable;
jaroslav@810	1851	}
jaroslav@810	1852
jaroslav@810	1853	public StackMapIterator createStackMapIterator() {
jaroslav@810	1854	return new StackMapIterator(this);
jaroslav@810	1855	}
jaroslav@810	1856
jaroslav@810	1857	/**
jaroslav@810	1858	* Return true if method is static
jaroslav@810	1859	*/
jaroslav@810	1860	public boolean isStatic() {
jaroslav@810	1861	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1862	return true;
jaroslav@810	1863	}
jaroslav@810	1864	return false;
jaroslav@810	1865	}
jaroslav@810	1866
jaroslav@810	1867	/**
jaroslav@810	1868	* Return max depth of operand stack.
jaroslav@810	1869	*/
jaroslav@810	1870	public int getMaxStack() {
jaroslav@810	1871	return max_stack;
jaroslav@810	1872	}
jaroslav@810	1873
jaroslav@810	1874	/**
jaroslav@810	1875	* Return number of local variables.
jaroslav@810	1876	*/
jaroslav@810	1877	public int getMaxLocals() {
jaroslav@810	1878	return max_locals;
jaroslav@810	1879	}
jaroslav@810	1880
jaroslav@810	1881	/**
jaroslav@810	1882	* Return exception index table in Exception attribute.
jaroslav@810	1883	*/
jaroslav@810	1884	public int[] get_exc_index_table() {
jaroslav@810	1885	return exc_index_table;
jaroslav@810	1886	}
jaroslav@810	1887
jaroslav@810	1888	/**
jaroslav@810	1889	* Return exception table in code attributre.
jaroslav@810	1890	*/
jaroslav@810	1891	public TrapDataIterator getTrapDataIterator() {
jaroslav@810	1892	return new TrapDataIterator(exception_table);
jaroslav@810	1893	}
jaroslav@810	1894
jaroslav@810	1895	/**
jaroslav@810	1896	* Return method attributes.
jaroslav@810	1897	*/
jaroslav@810	1898	public Vector getAttributes() {
jaroslav@810	1899	return attrs;
jaroslav@810	1900	}
jaroslav@810	1901
jaroslav@810	1902	/**
jaroslav@810	1903	* Return code attributes.
jaroslav@810	1904	*/
jaroslav@810	1905	public Vector getCodeAttributes() {
jaroslav@810	1906	return code_attrs;
jaroslav@810	1907	}
jaroslav@810	1908
jaroslav@810	1909	/**
jaroslav@810	1910	* Return true if method id synthetic.
jaroslav@810	1911	*/
jaroslav@810	1912	public boolean isSynthetic() {
jaroslav@810	1913	return isSynthetic;
jaroslav@810	1914	}
jaroslav@810	1915
jaroslav@810	1916	/**
jaroslav@810	1917	* Return true if method is deprecated.
jaroslav@810	1918	*/
jaroslav@810	1919	public boolean isDeprecated() {
jaroslav@810	1920	return isDeprecated;
jaroslav@810	1921	}
jaroslav@810	1922
jaroslav@810	1923	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	1924	String n = classRetention
jaroslav@810	1925	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	1926	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	1927	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	1928	attrs.copyInto(arr);
jaroslav@810	1929	return ClassData.findAttr(n, arr);
jaroslav@810	1930	}
jaroslav@810	1931
jaroslav@810	1932	public boolean isConstructor() {
jaroslav@810	1933	return "<init>".equals(getName());
jaroslav@810	1934	}
jaroslav@810	1935	}
jaroslav@810	1936
jaroslav@810	1937	/* represents one entry of StackMap attribute
jaroslav@810	1938	*/
jaroslav@810	1939	private static class StackMapData {
jaroslav@810	1940
jaroslav@810	1941	final int offset;
jaroslav@810	1942	final int[] locals;
jaroslav@810	1943	final int[] stack;
jaroslav@810	1944
jaroslav@810	1945	StackMapData(int offset, int[] locals, int[] stack) {
jaroslav@810	1946	this.offset = offset;
jaroslav@810	1947	this.locals = locals;
jaroslav@810	1948	this.stack = stack;
jaroslav@810	1949	}
jaroslav@810	1950
jaroslav@810	1951	StackMapData(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	1952	offset = in.readUnsignedShort();
jaroslav@810	1953	int local_size = in.readUnsignedShort();
jaroslav@810	1954	locals = readTypeArray(in, local_size, method);
jaroslav@810	1955	int stack_size = in.readUnsignedShort();
jaroslav@810	1956	stack = readTypeArray(in, stack_size, method);
jaroslav@810	1957	}
jaroslav@810	1958
jaroslav@810	1959	static final int[] readTypeArray(DataInputStream in, int length, MethodData method) throws IOException {
jaroslav@810	1960	int[] types = new int[length];
jaroslav@810	1961	for (int i = 0; i < length; i++) {
jaroslav@810	1962	types[i] = readType(in, method);
jaroslav@810	1963	}
jaroslav@810	1964	return types;
jaroslav@810	1965	}
jaroslav@810	1966
jaroslav@810	1967	static final int readType(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	1968	int type = in.readUnsignedByte();
jaroslav@810	1969	if (type == ITEM_Object \|\| type == ITEM_NewObject) {
jaroslav@810	1970	type = type \| (in.readUnsignedShort() << 8);
jaroslav@810	1971	}
jaroslav@810	1972	return type;
jaroslav@810	1973	}
jaroslav@810	1974	}
jaroslav@810	1975
jaroslav@810	1976	static final class StackMapIterator {
jaroslav@810	1977
jaroslav@810	1978	private final StackMapTableData[] stackMapTable;
jaroslav@810	1979	private final TypeArray argTypes;
jaroslav@810	1980	private final TypeArray localTypes;
jaroslav@810	1981	private final TypeArray stackTypes;
jaroslav@810	1982	private int nextFrameIndex;
jaroslav@810	1983	private int lastFrameByteCodeOffset;
jaroslav@810	1984	private int byteCodeOffset;
jaroslav@810	1985
jaroslav@810	1986	StackMapIterator(final MethodData methodData) {
jaroslav@810	1987	this(methodData.getStackMapTable(),
jaroslav@810	1988	methodData.getInternalSig(),
jaroslav@810	1989	methodData.isStatic());
jaroslav@810	1990	}
jaroslav@810	1991
jaroslav@810	1992	StackMapIterator(final StackMapTableData[] stackMapTable,
jaroslav@810	1993	final String methodSignature,
jaroslav@810	1994	final boolean isStaticMethod) {
jaroslav@810	1995	this.stackMapTable = (stackMapTable != null)
jaroslav@810	1996	? stackMapTable
jaroslav@810	1997	: new StackMapTableData[0];
jaroslav@810	1998
jaroslav@810	1999	argTypes = getArgTypes(methodSignature, isStaticMethod);
jaroslav@810	2000	localTypes = new TypeArray();
jaroslav@810	2001	stackTypes = new TypeArray();
jaroslav@810	2002
jaroslav@810	2003	localTypes.addAll(argTypes);
jaroslav@810	2004
jaroslav@810	2005	lastFrameByteCodeOffset = -1;
jaroslav@810	2006	advanceBy(0);
jaroslav@810	2007	}
jaroslav@1469	2008
jaroslav@1469	2009	public boolean isEmpty() {
jaroslav@1469	2010	return stackMapTable.length == 0;
jaroslav@1469	2011	}
jaroslav@810	2012
jaroslav@810	2013	public String getFrameAsString() {
jaroslav@810	2014	return (nextFrameIndex == 0)
jaroslav@810	2015	? StackMapTableData.toString("INITIAL", 0, null, null)
jaroslav@810	2016	: stackMapTable[nextFrameIndex - 1].toString();
jaroslav@810	2017	}
jaroslav@810	2018
jaroslav@810	2019	public int getFrameIndex() {
jaroslav@810	2020	return nextFrameIndex;
jaroslav@810	2021	}
jaroslav@810	2022
jaroslav@810	2023	public TypeArray getFrameStack() {
jaroslav@810	2024	return stackTypes;
jaroslav@810	2025	}
jaroslav@810	2026
jaroslav@810	2027	public TypeArray getFrameLocals() {
jaroslav@810	2028	return localTypes;
jaroslav@810	2029	}
jaroslav@810	2030
jaroslav@810	2031	public TypeArray getArguments() {
jaroslav@810	2032	return argTypes;
jaroslav@810	2033	}
jaroslav@810	2034
jaroslav@810	2035	public void advanceBy(final int numByteCodes) {
jaroslav@810	2036	if (numByteCodes < 0) {
jaroslav@810	2037	throw new IllegalStateException("Forward only iterator");
jaroslav@810	2038	}
jaroslav@810	2039
jaroslav@810	2040	byteCodeOffset += numByteCodes;
jaroslav@810	2041	while ((nextFrameIndex < stackMapTable.length)
jaroslav@810	2042	&& ((byteCodeOffset - lastFrameByteCodeOffset)
jaroslav@810	2043	>= (stackMapTable[nextFrameIndex].offsetDelta
jaroslav@810	2044	+ 1))) {
jaroslav@810	2045	final StackMapTableData nextFrame = stackMapTable[nextFrameIndex];
jaroslav@810	2046
jaroslav@810	2047	lastFrameByteCodeOffset += nextFrame.offsetDelta + 1;
jaroslav@810	2048	nextFrame.applyTo(localTypes, stackTypes);
jaroslav@810	2049
jaroslav@810	2050	++nextFrameIndex;
jaroslav@810	2051	}
jaroslav@810	2052	}
jaroslav@810	2053
jaroslav@810	2054	public void advanceTo(final int nextByteCodeOffset) {
jaroslav@810	2055	advanceBy(nextByteCodeOffset - byteCodeOffset);
jaroslav@810	2056	}
jaroslav@810	2057
jaroslav@810	2058	private static TypeArray getArgTypes(final String methodSignature,
jaroslav@810	2059	final boolean isStaticMethod) {
jaroslav@810	2060	final TypeArray argTypes = new TypeArray();
jaroslav@810	2061
jaroslav@810	2062	if (!isStaticMethod) {
jaroslav@810	2063	argTypes.add(ITEM_Object);
jaroslav@810	2064	}
jaroslav@810	2065
jaroslav@810	2066	if (methodSignature.charAt(0) != '(') {
jaroslav@810	2067	throw new IllegalArgumentException("Invalid method signature");
jaroslav@810	2068	}
jaroslav@810	2069
jaroslav@810	2070	final int length = methodSignature.length();
jaroslav@810	2071	boolean skipType = false;
jaroslav@810	2072	int argType;
jaroslav@810	2073	for (int i = 1; i < length; ++i) {
jaroslav@810	2074	switch (methodSignature.charAt(i)) {
jaroslav@810	2075	case 'B':
jaroslav@810	2076	case 'C':
jaroslav@810	2077	case 'S':
jaroslav@810	2078	case 'Z':
jaroslav@810	2079	case 'I':
jaroslav@810	2080	argType = ITEM_Integer;
jaroslav@810	2081	break;
jaroslav@810	2082	case 'J':
jaroslav@810	2083	argType = ITEM_Long;
jaroslav@810	2084	break;
jaroslav@810	2085	case 'F':
jaroslav@810	2086	argType = ITEM_Float;
jaroslav@810	2087	break;
jaroslav@810	2088	case 'D':
jaroslav@810	2089	argType = ITEM_Double;
jaroslav@810	2090	break;
jaroslav@810	2091	case 'L': {
jaroslav@810	2092	i = methodSignature.indexOf(';', i + 1);
jaroslav@810	2093	if (i == -1) {
jaroslav@810	2094	throw new IllegalArgumentException(
jaroslav@810	2095	"Invalid method signature");
jaroslav@810	2096	}
jaroslav@810	2097	argType = ITEM_Object;
jaroslav@810	2098	break;
jaroslav@810	2099	}
jaroslav@810	2100	case ')':
jaroslav@810	2101	// not interested in the return value type
jaroslav@810	2102	return argTypes;
jaroslav@810	2103	case '[':
jaroslav@810	2104	if (!skipType) {
jaroslav@810	2105	argTypes.add(ITEM_Object);
jaroslav@810	2106	skipType = true;
jaroslav@810	2107	}
jaroslav@810	2108	continue;
jaroslav@810	2109
jaroslav@810	2110	default:
jaroslav@810	2111	throw new IllegalArgumentException(
jaroslav@810	2112	"Invalid method signature");
jaroslav@810	2113	}
jaroslav@810	2114
jaroslav@810	2115	if (!skipType) {
jaroslav@810	2116	argTypes.add(argType);
jaroslav@810	2117	} else {
jaroslav@810	2118	skipType = false;
jaroslav@810	2119	}
jaroslav@810	2120	}
jaroslav@810	2121
jaroslav@810	2122	return argTypes;
jaroslav@810	2123	}
jaroslav@810	2124	}
jaroslav@810	2125	/* represents one entry of StackMapTable attribute
jaroslav@810	2126	*/
jaroslav@810	2127
jaroslav@810	2128	private static abstract class StackMapTableData {
jaroslav@810	2129
jaroslav@810	2130	final int frameType;
jaroslav@810	2131	int offsetDelta;
jaroslav@810	2132
jaroslav@810	2133	StackMapTableData(int frameType) {
jaroslav@810	2134	this.frameType = frameType;
jaroslav@810	2135	}
jaroslav@810	2136
jaroslav@810	2137	abstract void applyTo(TypeArray localTypes, TypeArray stackTypes);
jaroslav@810	2138
jaroslav@810	2139	protected static String toString(
jaroslav@810	2140	final String frameType,
jaroslav@810	2141	final int offset,
jaroslav@810	2142	final int[] localTypes,
jaroslav@810	2143	final int[] stackTypes) {
jaroslav@810	2144	final StringBuilder sb = new StringBuilder(frameType);
jaroslav@810	2145
jaroslav@810	2146	sb.append("(off: +").append(offset);
jaroslav@810	2147	if (localTypes != null) {
jaroslav@810	2148	sb.append(", locals: ");
jaroslav@810	2149	appendTypes(sb, localTypes);
jaroslav@810	2150	}
jaroslav@810	2151	if (stackTypes != null) {
jaroslav@810	2152	sb.append(", stack: ");
jaroslav@810	2153	appendTypes(sb, stackTypes);
jaroslav@810	2154	}
jaroslav@810	2155	sb.append(')');
jaroslav@810	2156
jaroslav@810	2157	return sb.toString();
jaroslav@810	2158	}
jaroslav@810	2159
jaroslav@810	2160	private static void appendTypes(final StringBuilder sb, final int[] types) {
jaroslav@810	2161	sb.append('[');
jaroslav@810	2162	if (types.length > 0) {
jaroslav@810	2163	sb.append(TypeArray.typeString(types[0]));
jaroslav@810	2164	for (int i = 1; i < types.length; ++i) {
jaroslav@810	2165	sb.append(", ");
jaroslav@810	2166	sb.append(TypeArray.typeString(types[i]));
jaroslav@810	2167	}
jaroslav@810	2168	}
jaroslav@810	2169	sb.append(']');
jaroslav@810	2170	}
jaroslav@810	2171
jaroslav@810	2172	private static class SameFrame extends StackMapTableData {
jaroslav@810	2173
jaroslav@810	2174	SameFrame(int frameType, int offsetDelta) {
jaroslav@810	2175	super(frameType);
jaroslav@810	2176	this.offsetDelta = offsetDelta;
jaroslav@810	2177	}
jaroslav@810	2178
jaroslav@810	2179	@Override
jaroslav@810	2180	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2181	stackTypes.clear();
jaroslav@810	2182	}
jaroslav@810	2183
jaroslav@810	2184	@Override
jaroslav@810	2185	public String toString() {
jaroslav@810	2186	return toString("SAME" + ((frameType == SAME_FRAME_EXTENDED)
jaroslav@810	2187	? "_FRAME_EXTENDED" : ""),
jaroslav@810	2188	offsetDelta,
jaroslav@810	2189	null, null);
jaroslav@810	2190	}
jaroslav@810	2191	}
jaroslav@810	2192
jaroslav@810	2193	private static class SameLocals1StackItem extends StackMapTableData {
jaroslav@810	2194
jaroslav@810	2195	final int[] stack;
jaroslav@810	2196
jaroslav@810	2197	SameLocals1StackItem(int frameType, int offsetDelta, int[] stack) {
jaroslav@810	2198	super(frameType);
jaroslav@810	2199	this.offsetDelta = offsetDelta;
jaroslav@810	2200	this.stack = stack;
jaroslav@810	2201	}
jaroslav@810	2202
jaroslav@810	2203	@Override
jaroslav@810	2204	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2205	stackTypes.setAll(stack);
jaroslav@810	2206	}
jaroslav@810	2207
jaroslav@810	2208	@Override
jaroslav@810	2209	public String toString() {
jaroslav@810	2210	return toString(
jaroslav@810	2211	"SAME_LOCALS_1_STACK_ITEM"
jaroslav@810	2212	+ ((frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED)
jaroslav@810	2213	? "_EXTENDED" : ""),
jaroslav@810	2214	offsetDelta,
jaroslav@810	2215	null, stack);
jaroslav@810	2216	}
jaroslav@810	2217	}
jaroslav@810	2218
jaroslav@810	2219	private static class ChopFrame extends StackMapTableData {
jaroslav@810	2220
jaroslav@810	2221	ChopFrame(int frameType, int offsetDelta) {
jaroslav@810	2222	super(frameType);
jaroslav@810	2223	this.offsetDelta = offsetDelta;
jaroslav@810	2224	}
jaroslav@810	2225
jaroslav@810	2226	@Override
jaroslav@810	2227	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2228	localTypes.setSize(localTypes.getSize()
jaroslav@810	2229	- (SAME_FRAME_EXTENDED - frameType));
jaroslav@810	2230	stackTypes.clear();
jaroslav@810	2231	}
jaroslav@810	2232
jaroslav@810	2233	@Override
jaroslav@810	2234	public String toString() {
jaroslav@810	2235	return toString("CHOP", offsetDelta, null, null);
jaroslav@810	2236	}
jaroslav@810	2237	}
jaroslav@810	2238
jaroslav@810	2239	private static class AppendFrame extends StackMapTableData {
jaroslav@810	2240
jaroslav@810	2241	final int[] locals;
jaroslav@810	2242
jaroslav@810	2243	AppendFrame(int frameType, int offsetDelta, int[] locals) {
jaroslav@810	2244	super(frameType);
jaroslav@810	2245	this.offsetDelta = offsetDelta;
jaroslav@810	2246	this.locals = locals;
jaroslav@810	2247	}
jaroslav@810	2248
jaroslav@810	2249	@Override
jaroslav@810	2250	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2251	localTypes.addAll(locals);
jaroslav@810	2252	stackTypes.clear();
jaroslav@810	2253	}
jaroslav@810	2254
jaroslav@810	2255	@Override
jaroslav@810	2256	public String toString() {
jaroslav@810	2257	return toString("APPEND", offsetDelta, locals, null);
jaroslav@810	2258	}
jaroslav@810	2259	}
jaroslav@810	2260
jaroslav@810	2261	private static class FullFrame extends StackMapTableData {
jaroslav@810	2262
jaroslav@810	2263	final int[] locals;
jaroslav@810	2264	final int[] stack;
jaroslav@810	2265
jaroslav@810	2266	FullFrame(int offsetDelta, int[] locals, int[] stack) {
jaroslav@810	2267	super(FULL_FRAME);
jaroslav@810	2268	this.offsetDelta = offsetDelta;
jaroslav@810	2269	this.locals = locals;
jaroslav@810	2270	this.stack = stack;
jaroslav@810	2271	}
jaroslav@810	2272
jaroslav@810	2273	@Override
jaroslav@810	2274	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2275	localTypes.setAll(locals);
jaroslav@810	2276	stackTypes.setAll(stack);
jaroslav@810	2277	}
jaroslav@810	2278
jaroslav@810	2279	@Override
jaroslav@810	2280	public String toString() {
jaroslav@810	2281	return toString("FULL", offsetDelta, locals, stack);
jaroslav@810	2282	}
jaroslav@810	2283	}
jaroslav@810	2284
jaroslav@810	2285	static StackMapTableData getInstance(DataInputStream in, MethodData method)
jaroslav@810	2286	throws IOException {
jaroslav@810	2287	int frameType = in.readUnsignedByte();
jaroslav@810	2288
jaroslav@810	2289	if (frameType < SAME_FRAME_BOUND) {
jaroslav@810	2290	// same_frame
jaroslav@810	2291	return new SameFrame(frameType, frameType);
jaroslav@810	2292	} else if (SAME_FRAME_BOUND <= frameType && frameType < SAME_LOCALS_1_STACK_ITEM_BOUND) {
jaroslav@810	2293	// same_locals_1_stack_item_frame
jaroslav@810	2294	// read additional single stack element
jaroslav@810	2295	return new SameLocals1StackItem(frameType,
jaroslav@810	2296	(frameType - SAME_FRAME_BOUND),
jaroslav@810	2297	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2298	} else if (frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED) {
jaroslav@810	2299	// same_locals_1_stack_item_extended
jaroslav@810	2300	return new SameLocals1StackItem(frameType,
jaroslav@810	2301	in.readUnsignedShort(),
jaroslav@810	2302	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2303	} else if (SAME_LOCALS_1_STACK_ITEM_EXTENDED < frameType && frameType < SAME_FRAME_EXTENDED) {
jaroslav@810	2304	// chop_frame or same_frame_extended
jaroslav@810	2305	return new ChopFrame(frameType, in.readUnsignedShort());
jaroslav@810	2306	} else if (frameType == SAME_FRAME_EXTENDED) {
jaroslav@810	2307	// chop_frame or same_frame_extended
jaroslav@810	2308	return new SameFrame(frameType, in.readUnsignedShort());
jaroslav@810	2309	} else if (SAME_FRAME_EXTENDED < frameType && frameType < FULL_FRAME) {
jaroslav@810	2310	// append_frame
jaroslav@810	2311	return new AppendFrame(frameType, in.readUnsignedShort(),
jaroslav@810	2312	StackMapData.readTypeArray(in, frameType - SAME_FRAME_EXTENDED, method));
jaroslav@810	2313	} else if (frameType == FULL_FRAME) {
jaroslav@810	2314	// full_frame
jaroslav@810	2315	int offsetDelta = in.readUnsignedShort();
jaroslav@810	2316	int locals_size = in.readUnsignedShort();
jaroslav@810	2317	int[] locals = StackMapData.readTypeArray(in, locals_size, method);
jaroslav@810	2318	int stack_size = in.readUnsignedShort();
jaroslav@810	2319	int[] stack = StackMapData.readTypeArray(in, stack_size, method);
jaroslav@810	2320	return new FullFrame(offsetDelta, locals, stack);
jaroslav@810	2321	} else {
jaroslav@810	2322	throw new ClassFormatError("unrecognized frame_type in StackMapTable");
jaroslav@810	2323	}
jaroslav@810	2324	}
jaroslav@810	2325	}
jaroslav@810	2326
jaroslav@810	2327	/**
jaroslav@810	2328	* Stores exception table data in code attribute.
jaroslav@810	2329	*
jaroslav@810	2330	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2331	*/
jaroslav@810	2332	static final class TrapData {
jaroslav@810	2333
jaroslav@810	2334	public final short start_pc;
jaroslav@810	2335	public final short end_pc;
jaroslav@810	2336	public final short handler_pc;
jaroslav@810	2337	public final short catch_cpx;
jaroslav@810	2338	final int num;
jaroslav@810	2339
jaroslav@810	2340	/**
jaroslav@810	2341	* Read and store exception table data in code attribute.
jaroslav@810	2342	*/
jaroslav@810	2343	TrapData(DataInputStream in, int num) throws IOException {
jaroslav@810	2344	this.num = num;
jaroslav@810	2345	start_pc = in.readShort();
jaroslav@810	2346	end_pc = in.readShort();
jaroslav@810	2347	handler_pc = in.readShort();
jaroslav@810	2348	catch_cpx = in.readShort();
jaroslav@810	2349	}
jaroslav@810	2350
jaroslav@810	2351	/**
jaroslav@810	2352	* returns recommended identifier
jaroslav@810	2353	*/
jaroslav@810	2354	public String ident() {
jaroslav@810	2355	return "t" + num;
jaroslav@810	2356	}
jaroslav@810	2357	}
jaroslav@810	2358	/**
jaroslav@810	2359	*
jaroslav@810	2360	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2361	*/
jaroslav@810	2362	static final class TrapDataIterator {
jaroslav@810	2363
jaroslav@810	2364	private final Hashtable exStart = new Hashtable();
jaroslav@810	2365	private final Hashtable exStop = new Hashtable();
jaroslav@810	2366	private TrapData[] current = new TrapData[10];
jaroslav@810	2367	private int currentCount;
jaroslav@810	2368
jaroslav@810	2369	TrapDataIterator(Vector exceptionTable) {
jaroslav@810	2370	for (int i = 0; i < exceptionTable.size(); i++) {
jaroslav@810	2371	final TrapData td = (TrapData) exceptionTable.elementAt(i);
jaroslav@810	2372	put(exStart, td.start_pc, td);
jaroslav@810	2373	put(exStop, td.end_pc, td);
jaroslav@810	2374	}
jaroslav@810	2375	}
jaroslav@810	2376
jaroslav@810	2377	private static void put(Hashtable h, short key, TrapData td) {
jaroslav@810	2378	Short s = Short.valueOf((short) key);
jaroslav@810	2379	Vector v = (Vector) h.get(s);
jaroslav@810	2380	if (v == null) {
jaroslav@810	2381	v = new Vector(1);
jaroslav@810	2382	h.put(s, v);
jaroslav@810	2383	}
jaroslav@810	2384	v.add(td);
jaroslav@810	2385	}
jaroslav@810	2386
jaroslav@810	2387	private boolean processAll(Hashtable h, Short key, boolean add) {
jaroslav@810	2388	boolean change = false;
jaroslav@810	2389	Vector v = (Vector) h.get(key);
jaroslav@810	2390	if (v != null) {
jaroslav@810	2391	int s = v.size();
jaroslav@810	2392	for (int i = 0; i < s; i++) {
jaroslav@810	2393	TrapData td = (TrapData) v.elementAt(i);
jaroslav@810	2394	if (add) {
jaroslav@810	2395	add(td);
jaroslav@810	2396	change = true;
jaroslav@810	2397	} else {
jaroslav@810	2398	remove(td);
jaroslav@810	2399	change = true;
jaroslav@810	2400	}
jaroslav@810	2401	}
jaroslav@810	2402	}
jaroslav@810	2403	return change;
jaroslav@810	2404	}
jaroslav@810	2405
jaroslav@810	2406	public boolean advanceTo(int i) {
jaroslav@810	2407	Short s = Short.valueOf((short) i);
jaroslav@810	2408	boolean ch1 = processAll(exStart, s, true);
jaroslav@810	2409	boolean ch2 = processAll(exStop, s, false);
jaroslav@810	2410	return ch1 \|\| ch2;
jaroslav@810	2411	}
jaroslav@810	2412
jaroslav@810	2413	public boolean useTry() {
jaroslav@810	2414	return currentCount > 0;
jaroslav@810	2415	}
jaroslav@810	2416
jaroslav@810	2417	public TrapData[] current() {
jaroslav@810	2418	TrapData[] copy = new TrapData[currentCount];
jaroslav@810	2419	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2420	copy[i] = current[i];
jaroslav@810	2421	}
jaroslav@810	2422	return copy;
jaroslav@810	2423	}
jaroslav@810	2424
jaroslav@810	2425	private void add(TrapData e) {
jaroslav@810	2426	if (currentCount == current.length) {
jaroslav@810	2427	TrapData[] data = new TrapData[currentCount * 2];
jaroslav@810	2428	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2429	data[i] = current[i];
jaroslav@810	2430	}
jaroslav@810	2431	current = data;
jaroslav@810	2432	}
jaroslav@810	2433	current[currentCount++] = e;
jaroslav@810	2434	}
jaroslav@810	2435
jaroslav@810	2436	private void remove(TrapData e) {
jaroslav@810	2437	if (currentCount == 0) {
jaroslav@810	2438	return;
jaroslav@810	2439	}
jaroslav@810	2440	int from = 0;
jaroslav@810	2441	while (from < currentCount) {
jaroslav@810	2442	if (e == current[from++]) {
jaroslav@810	2443	break;
jaroslav@810	2444	}
jaroslav@810	2445	}
jaroslav@810	2446	while (from < currentCount) {
jaroslav@810	2447	current[from - 1] = current[from];
jaroslav@810	2448	current[from] = null;
jaroslav@810	2449	from++;
jaroslav@810	2450	}
jaroslav@810	2451	currentCount--;
jaroslav@810	2452	}
jaroslav@810	2453	}
jaroslav@810	2454	static final class TypeArray {
jaroslav@810	2455
jaroslav@810	2456	private static final int CAPACITY_INCREMENT = 16;
jaroslav@810	2457	private int[] types;
jaroslav@810	2458	private int size;
jaroslav@810	2459
jaroslav@810	2460	public TypeArray() {
jaroslav@810	2461	}
jaroslav@810	2462
jaroslav@810	2463	public TypeArray(final TypeArray initialTypes) {
jaroslav@810	2464	setAll(initialTypes);
jaroslav@810	2465	}
jaroslav@810	2466
jaroslav@810	2467	public void add(final int newType) {
jaroslav@810	2468	ensureCapacity(size + 1);
jaroslav@810	2469	types[size++] = newType;
jaroslav@810	2470	}
jaroslav@810	2471
jaroslav@810	2472	public void addAll(final TypeArray newTypes) {
jaroslav@810	2473	addAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2474	}
jaroslav@810	2475
jaroslav@810	2476	public void addAll(final int[] newTypes) {
jaroslav@810	2477	addAll(newTypes, 0, newTypes.length);
jaroslav@810	2478	}
jaroslav@810	2479
jaroslav@810	2480	public void addAll(final int[] newTypes,
jaroslav@810	2481	final int offset,
jaroslav@810	2482	final int count) {
jaroslav@810	2483	if (count > 0) {
jaroslav@810	2484	ensureCapacity(size + count);
jaroslav@810	2485	arraycopy(newTypes, offset, types, size, count);
jaroslav@810	2486	size += count;
jaroslav@810	2487	}
jaroslav@810	2488	}
jaroslav@810	2489
jaroslav@810	2490	public void set(final int index, final int newType) {
jaroslav@810	2491	types[index] = newType;
jaroslav@810	2492	}
jaroslav@810	2493
jaroslav@810	2494	public void setAll(final TypeArray newTypes) {
jaroslav@810	2495	setAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2496	}
jaroslav@810	2497
jaroslav@810	2498	public void setAll(final int[] newTypes) {
jaroslav@810	2499	setAll(newTypes, 0, newTypes.length);
jaroslav@810	2500	}
jaroslav@810	2501
jaroslav@810	2502	public void setAll(final int[] newTypes,
jaroslav@810	2503	final int offset,
jaroslav@810	2504	final int count) {
jaroslav@810	2505	if (count > 0) {
jaroslav@810	2506	ensureCapacity(count);
jaroslav@810	2507	arraycopy(newTypes, offset, types, 0, count);
jaroslav@810	2508	size = count;
jaroslav@810	2509	} else {
jaroslav@810	2510	clear();
jaroslav@810	2511	}
jaroslav@810	2512	}
jaroslav@810	2513
jaroslav@810	2514	public void setSize(final int newSize) {
jaroslav@810	2515	if (size != newSize) {
jaroslav@810	2516	ensureCapacity(newSize);
jaroslav@810	2517
jaroslav@810	2518	for (int i = size; i < newSize; ++i) {
jaroslav@810	2519	types[i] = 0;
jaroslav@810	2520	}
jaroslav@810	2521	size = newSize;
jaroslav@810	2522	}
jaroslav@810	2523	}
jaroslav@810	2524
jaroslav@810	2525	public void clear() {
jaroslav@810	2526	size = 0;
jaroslav@810	2527	}
jaroslav@810	2528
jaroslav@810	2529	public int getSize() {
jaroslav@810	2530	return size;
jaroslav@810	2531	}
jaroslav@810	2532
jaroslav@810	2533	public int get(final int index) {
jaroslav@810	2534	return types[index];
jaroslav@810	2535	}
jaroslav@810	2536
jaroslav@810	2537	public static String typeString(final int type) {
jaroslav@810	2538	switch (type & 0xff) {
jaroslav@810	2539	case ITEM_Bogus:
jaroslav@810	2540	return "_top_";
jaroslav@810	2541	case ITEM_Integer:
jaroslav@810	2542	return "_int_";
jaroslav@810	2543	case ITEM_Float:
jaroslav@810	2544	return "_float_";
jaroslav@810	2545	case ITEM_Double:
jaroslav@810	2546	return "_double_";
jaroslav@810	2547	case ITEM_Long:
jaroslav@810	2548	return "_long_";
jaroslav@810	2549	case ITEM_Null:
jaroslav@810	2550	return "_null_";
jaroslav@810	2551	case ITEM_InitObject: // UninitializedThis
jaroslav@810	2552	return "_init_";
jaroslav@810	2553	case ITEM_Object:
jaroslav@810	2554	return "_object_";
jaroslav@810	2555	case ITEM_NewObject: // Uninitialized
jaroslav@810	2556	return "_new_";
jaroslav@810	2557	default:
jaroslav@810	2558	throw new IllegalArgumentException("Unknown type");
jaroslav@810	2559	}
jaroslav@810	2560	}
jaroslav@810	2561
jaroslav@810	2562	@Override
jaroslav@810	2563	public String toString() {
jaroslav@810	2564	final StringBuilder sb = new StringBuilder("[");
jaroslav@810	2565	if (size > 0) {
jaroslav@810	2566	sb.append(typeString(types[0]));
jaroslav@810	2567	for (int i = 1; i < size; ++i) {
jaroslav@810	2568	sb.append(", ");
jaroslav@810	2569	sb.append(typeString(types[i]));
jaroslav@810	2570	}
jaroslav@810	2571	}
jaroslav@810	2572
jaroslav@810	2573	return sb.append(']').toString();
jaroslav@810	2574	}
jaroslav@810	2575
jaroslav@810	2576	private void ensureCapacity(final int minCapacity) {
jaroslav@810	2577	if ((minCapacity == 0)
jaroslav@810	2578	\|\| (types != null) && (minCapacity <= types.length)) {
jaroslav@810	2579	return;
jaroslav@810	2580	}
jaroslav@810	2581
jaroslav@810	2582	final int newCapacity =
jaroslav@810	2583	((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
jaroslav@810	2584	* CAPACITY_INCREMENT;
jaroslav@810	2585	final int[] newTypes = new int[newCapacity];
jaroslav@810	2586
jaroslav@810	2587	if (size > 0) {
jaroslav@810	2588	arraycopy(types, 0, newTypes, 0, size);
jaroslav@810	2589	}
jaroslav@810	2590
jaroslav@810	2591	types = newTypes;
jaroslav@810	2592	}
jaroslav@810	2593
jaroslav@810	2594	// no System.arraycopy
jaroslav@810	2595	private void arraycopy(final int[] src, final int srcPos,
jaroslav@810	2596	final int[] dest, final int destPos,
jaroslav@810	2597	final int length) {
jaroslav@810	2598	for (int i = 0; i < length; ++i) {
jaroslav@810	2599	dest[destPos + i] = src[srcPos + i];
jaroslav@810	2600	}
jaroslav@810	2601	}
jaroslav@810	2602	}
jaroslav@810	2603	/**
jaroslav@810	2604	* A JavaScript ready replacement for java.util.Vector
jaroslav@810	2605	*
jaroslav@810	2606	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2607	*/
jaroslav@810	2608	@JavaScriptPrototype(prototype = "new Array")
jaroslav@810	2609	private static final class Vector {
jaroslav@810	2610
jaroslav@810	2611	private Object[] arr;
jaroslav@810	2612
jaroslav@810	2613	Vector() {
jaroslav@810	2614	}
jaroslav@810	2615
jaroslav@810	2616	Vector(int i) {
jaroslav@810	2617	}
jaroslav@810	2618
jaroslav@810	2619	void add(Object objectType) {
jaroslav@810	2620	addElement(objectType);
jaroslav@810	2621	}
jaroslav@810	2622
jaroslav@810	2623	@JavaScriptBody(args = {"obj"}, body =
jaroslav@810	2624	"this.push(obj);")
jaroslav@810	2625	void addElement(Object obj) {
jaroslav@810	2626	final int s = size();
jaroslav@810	2627	setSize(s + 1);
jaroslav@810	2628	setElementAt(obj, s);
jaroslav@810	2629	}
jaroslav@810	2630
jaroslav@810	2631	@JavaScriptBody(args = {}, body =
jaroslav@810	2632	"return this.length;")
jaroslav@810	2633	int size() {
jaroslav@810	2634	return arr == null ? 0 : arr.length;
jaroslav@810	2635	}
jaroslav@810	2636
jaroslav@810	2637	@JavaScriptBody(args = {"newArr"}, body =
jaroslav@810	2638	"for (var i = 0; i < this.length; i++) {\n"
jaroslav@810	2639	+ " newArr[i] = this[i];\n"
jaroslav@810	2640	+ "}\n")
jaroslav@810	2641	void copyInto(Object[] newArr) {
jaroslav@810	2642	if (arr == null) {
jaroslav@810	2643	return;
jaroslav@810	2644	}
jaroslav@810	2645	int min = Math.min(newArr.length, arr.length);
jaroslav@810	2646	for (int i = 0; i < min; i++) {
jaroslav@810	2647	newArr[i] = arr[i];
jaroslav@810	2648	}
jaroslav@810	2649	}
jaroslav@810	2650
jaroslav@810	2651	@JavaScriptBody(args = {"index"}, body =
jaroslav@810	2652	"return this[index];")
jaroslav@810	2653	Object elementAt(int index) {
jaroslav@810	2654	return arr[index];
jaroslav@810	2655	}
jaroslav@810	2656
jaroslav@810	2657	private void setSize(int len) {
jaroslav@810	2658	Object[] newArr = new Object[len];
jaroslav@810	2659	copyInto(newArr);
jaroslav@810	2660	arr = newArr;
jaroslav@810	2661	}
jaroslav@810	2662
jaroslav@810	2663	@JavaScriptBody(args = {"val", "index"}, body =
jaroslav@810	2664	"this[index] = val;")
jaroslav@810	2665	void setElementAt(Object val, int index) {
jaroslav@810	2666	arr[index] = val;
jaroslav@810	2667	}
jaroslav@810	2668	}
jaroslav@810	2669
jaroslav@810	2670	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Mon, 17 Feb 2014 17:33:22 +0100
branch	ReducedStack
changeset 1471	6655ae68ef9b
parent 1469	f57fa856ffc4
child 1474	3775fe162073
permissions	-rw-r--r--