hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java@cf6d5d357696 (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@1639	61	public static final int CONSTANT_METHODHANDLE = 15;
jaroslav@1639	62	public static final int CONSTANT_METHODTYPE = 16;
jaroslav@1639	63	public static final int CONSTANT_INVOKEDYNAMIC = 18;
jaroslav@810	64
jaroslav@810	65	/* Access Flags */
jaroslav@810	66	public static final int ACC_PUBLIC = 0x00000001;
jaroslav@810	67	public static final int ACC_PRIVATE = 0x00000002;
jaroslav@810	68	public static final int ACC_PROTECTED = 0x00000004;
jaroslav@810	69	public static final int ACC_STATIC = 0x00000008;
jaroslav@810	70	public static final int ACC_FINAL = 0x00000010;
jaroslav@810	71	public static final int ACC_SYNCHRONIZED = 0x00000020;
jaroslav@810	72	public static final int ACC_SUPER = 0x00000020;
jaroslav@810	73	public static final int ACC_VOLATILE = 0x00000040;
jaroslav@810	74	public static final int ACC_TRANSIENT = 0x00000080;
jaroslav@810	75	public static final int ACC_NATIVE = 0x00000100;
jaroslav@810	76	public static final int ACC_INTERFACE = 0x00000200;
jaroslav@810	77	public static final int ACC_ABSTRACT = 0x00000400;
jaroslav@810	78	public static final int ACC_STRICT = 0x00000800;
jaroslav@810	79	public static final int ACC_EXPLICIT = 0x00001000;
jaroslav@810	80	public static final int ACC_SYNTHETIC = 0x00010000; // actually, this is an attribute
jaroslav@1889	81	private static final int ACC_ANNOTATION = 0x00020000;
jaroslav@810	82
jaroslav@810	83	/* Type codes for StackMap attribute */
jaroslav@810	84	public static final int ITEM_Bogus =0; // an unknown or uninitialized value
jaroslav@810	85	public static final int ITEM_Integer =1; // a 32-bit integer
jaroslav@810	86	public static final int ITEM_Float =2; // not used
jaroslav@810	87	public static final int ITEM_Double =3; // not used
jaroslav@810	88	public static final int ITEM_Long =4; // a 64-bit integer
jaroslav@810	89	public static final int ITEM_Null =5; // the type of null
jaroslav@810	90	public static final int ITEM_InitObject =6; // "this" in constructor
jaroslav@810	91	public static final int ITEM_Object =7; // followed by 2-byte index of class name
jaroslav@810	92	public static final int ITEM_NewObject =8; // followed by 2-byte ref to "new"
jaroslav@810	93
jaroslav@810	94	/* Constants used in StackMapTable attribute */
jaroslav@810	95	public static final int SAME_FRAME_BOUND = 64;
jaroslav@810	96	public static final int SAME_LOCALS_1_STACK_ITEM_BOUND = 128;
jaroslav@810	97	public static final int SAME_LOCALS_1_STACK_ITEM_EXTENDED = 247;
jaroslav@810	98	public static final int SAME_FRAME_EXTENDED = 251;
jaroslav@810	99	public static final int FULL_FRAME = 255;
jaroslav@810	100
jaroslav@810	101	/* Opcodes */
jaroslav@810	102	public static final int opc_dead = -2;
jaroslav@810	103	public static final int opc_label = -1;
jaroslav@810	104	public static final int opc_nop = 0;
jaroslav@810	105	public static final int opc_aconst_null = 1;
jaroslav@810	106	public static final int opc_iconst_m1 = 2;
jaroslav@810	107	public static final int opc_iconst_0 = 3;
jaroslav@810	108	public static final int opc_iconst_1 = 4;
jaroslav@810	109	public static final int opc_iconst_2 = 5;
jaroslav@810	110	public static final int opc_iconst_3 = 6;
jaroslav@810	111	public static final int opc_iconst_4 = 7;
jaroslav@810	112	public static final int opc_iconst_5 = 8;
jaroslav@810	113	public static final int opc_lconst_0 = 9;
jaroslav@810	114	public static final int opc_lconst_1 = 10;
jaroslav@810	115	public static final int opc_fconst_0 = 11;
jaroslav@810	116	public static final int opc_fconst_1 = 12;
jaroslav@810	117	public static final int opc_fconst_2 = 13;
jaroslav@810	118	public static final int opc_dconst_0 = 14;
jaroslav@810	119	public static final int opc_dconst_1 = 15;
jaroslav@810	120	public static final int opc_bipush = 16;
jaroslav@810	121	public static final int opc_sipush = 17;
jaroslav@810	122	public static final int opc_ldc = 18;
jaroslav@810	123	public static final int opc_ldc_w = 19;
jaroslav@810	124	public static final int opc_ldc2_w = 20;
jaroslav@810	125	public static final int opc_iload = 21;
jaroslav@810	126	public static final int opc_lload = 22;
jaroslav@810	127	public static final int opc_fload = 23;
jaroslav@810	128	public static final int opc_dload = 24;
jaroslav@810	129	public static final int opc_aload = 25;
jaroslav@810	130	public static final int opc_iload_0 = 26;
jaroslav@810	131	public static final int opc_iload_1 = 27;
jaroslav@810	132	public static final int opc_iload_2 = 28;
jaroslav@810	133	public static final int opc_iload_3 = 29;
jaroslav@810	134	public static final int opc_lload_0 = 30;
jaroslav@810	135	public static final int opc_lload_1 = 31;
jaroslav@810	136	public static final int opc_lload_2 = 32;
jaroslav@810	137	public static final int opc_lload_3 = 33;
jaroslav@810	138	public static final int opc_fload_0 = 34;
jaroslav@810	139	public static final int opc_fload_1 = 35;
jaroslav@810	140	public static final int opc_fload_2 = 36;
jaroslav@810	141	public static final int opc_fload_3 = 37;
jaroslav@810	142	public static final int opc_dload_0 = 38;
jaroslav@810	143	public static final int opc_dload_1 = 39;
jaroslav@810	144	public static final int opc_dload_2 = 40;
jaroslav@810	145	public static final int opc_dload_3 = 41;
jaroslav@810	146	public static final int opc_aload_0 = 42;
jaroslav@810	147	public static final int opc_aload_1 = 43;
jaroslav@810	148	public static final int opc_aload_2 = 44;
jaroslav@810	149	public static final int opc_aload_3 = 45;
jaroslav@810	150	public static final int opc_iaload = 46;
jaroslav@810	151	public static final int opc_laload = 47;
jaroslav@810	152	public static final int opc_faload = 48;
jaroslav@810	153	public static final int opc_daload = 49;
jaroslav@810	154	public static final int opc_aaload = 50;
jaroslav@810	155	public static final int opc_baload = 51;
jaroslav@810	156	public static final int opc_caload = 52;
jaroslav@810	157	public static final int opc_saload = 53;
jaroslav@810	158	public static final int opc_istore = 54;
jaroslav@810	159	public static final int opc_lstore = 55;
jaroslav@810	160	public static final int opc_fstore = 56;
jaroslav@810	161	public static final int opc_dstore = 57;
jaroslav@810	162	public static final int opc_astore = 58;
jaroslav@810	163	public static final int opc_istore_0 = 59;
jaroslav@810	164	public static final int opc_istore_1 = 60;
jaroslav@810	165	public static final int opc_istore_2 = 61;
jaroslav@810	166	public static final int opc_istore_3 = 62;
jaroslav@810	167	public static final int opc_lstore_0 = 63;
jaroslav@810	168	public static final int opc_lstore_1 = 64;
jaroslav@810	169	public static final int opc_lstore_2 = 65;
jaroslav@810	170	public static final int opc_lstore_3 = 66;
jaroslav@810	171	public static final int opc_fstore_0 = 67;
jaroslav@810	172	public static final int opc_fstore_1 = 68;
jaroslav@810	173	public static final int opc_fstore_2 = 69;
jaroslav@810	174	public static final int opc_fstore_3 = 70;
jaroslav@810	175	public static final int opc_dstore_0 = 71;
jaroslav@810	176	public static final int opc_dstore_1 = 72;
jaroslav@810	177	public static final int opc_dstore_2 = 73;
jaroslav@810	178	public static final int opc_dstore_3 = 74;
jaroslav@810	179	public static final int opc_astore_0 = 75;
jaroslav@810	180	public static final int opc_astore_1 = 76;
jaroslav@810	181	public static final int opc_astore_2 = 77;
jaroslav@810	182	public static final int opc_astore_3 = 78;
jaroslav@810	183	public static final int opc_iastore = 79;
jaroslav@810	184	public static final int opc_lastore = 80;
jaroslav@810	185	public static final int opc_fastore = 81;
jaroslav@810	186	public static final int opc_dastore = 82;
jaroslav@810	187	public static final int opc_aastore = 83;
jaroslav@810	188	public static final int opc_bastore = 84;
jaroslav@810	189	public static final int opc_castore = 85;
jaroslav@810	190	public static final int opc_sastore = 86;
jaroslav@810	191	public static final int opc_pop = 87;
jaroslav@810	192	public static final int opc_pop2 = 88;
jaroslav@810	193	public static final int opc_dup = 89;
jaroslav@810	194	public static final int opc_dup_x1 = 90;
jaroslav@810	195	public static final int opc_dup_x2 = 91;
jaroslav@810	196	public static final int opc_dup2 = 92;
jaroslav@810	197	public static final int opc_dup2_x1 = 93;
jaroslav@810	198	public static final int opc_dup2_x2 = 94;
jaroslav@810	199	public static final int opc_swap = 95;
jaroslav@810	200	public static final int opc_iadd = 96;
jaroslav@810	201	public static final int opc_ladd = 97;
jaroslav@810	202	public static final int opc_fadd = 98;
jaroslav@810	203	public static final int opc_dadd = 99;
jaroslav@810	204	public static final int opc_isub = 100;
jaroslav@810	205	public static final int opc_lsub = 101;
jaroslav@810	206	public static final int opc_fsub = 102;
jaroslav@810	207	public static final int opc_dsub = 103;
jaroslav@810	208	public static final int opc_imul = 104;
jaroslav@810	209	public static final int opc_lmul = 105;
jaroslav@810	210	public static final int opc_fmul = 106;
jaroslav@810	211	public static final int opc_dmul = 107;
jaroslav@810	212	public static final int opc_idiv = 108;
jaroslav@810	213	public static final int opc_ldiv = 109;
jaroslav@810	214	public static final int opc_fdiv = 110;
jaroslav@810	215	public static final int opc_ddiv = 111;
jaroslav@810	216	public static final int opc_irem = 112;
jaroslav@810	217	public static final int opc_lrem = 113;
jaroslav@810	218	public static final int opc_frem = 114;
jaroslav@810	219	public static final int opc_drem = 115;
jaroslav@810	220	public static final int opc_ineg = 116;
jaroslav@810	221	public static final int opc_lneg = 117;
jaroslav@810	222	public static final int opc_fneg = 118;
jaroslav@810	223	public static final int opc_dneg = 119;
jaroslav@810	224	public static final int opc_ishl = 120;
jaroslav@810	225	public static final int opc_lshl = 121;
jaroslav@810	226	public static final int opc_ishr = 122;
jaroslav@810	227	public static final int opc_lshr = 123;
jaroslav@810	228	public static final int opc_iushr = 124;
jaroslav@810	229	public static final int opc_lushr = 125;
jaroslav@810	230	public static final int opc_iand = 126;
jaroslav@810	231	public static final int opc_land = 127;
jaroslav@810	232	public static final int opc_ior = 128;
jaroslav@810	233	public static final int opc_lor = 129;
jaroslav@810	234	public static final int opc_ixor = 130;
jaroslav@810	235	public static final int opc_lxor = 131;
jaroslav@810	236	public static final int opc_iinc = 132;
jaroslav@810	237	public static final int opc_i2l = 133;
jaroslav@810	238	public static final int opc_i2f = 134;
jaroslav@810	239	public static final int opc_i2d = 135;
jaroslav@810	240	public static final int opc_l2i = 136;
jaroslav@810	241	public static final int opc_l2f = 137;
jaroslav@810	242	public static final int opc_l2d = 138;
jaroslav@810	243	public static final int opc_f2i = 139;
jaroslav@810	244	public static final int opc_f2l = 140;
jaroslav@810	245	public static final int opc_f2d = 141;
jaroslav@810	246	public static final int opc_d2i = 142;
jaroslav@810	247	public static final int opc_d2l = 143;
jaroslav@810	248	public static final int opc_d2f = 144;
jaroslav@810	249	public static final int opc_i2b = 145;
jaroslav@810	250	public static final int opc_int2byte = 145;
jaroslav@810	251	public static final int opc_i2c = 146;
jaroslav@810	252	public static final int opc_int2char = 146;
jaroslav@810	253	public static final int opc_i2s = 147;
jaroslav@810	254	public static final int opc_int2short = 147;
jaroslav@810	255	public static final int opc_lcmp = 148;
jaroslav@810	256	public static final int opc_fcmpl = 149;
jaroslav@810	257	public static final int opc_fcmpg = 150;
jaroslav@810	258	public static final int opc_dcmpl = 151;
jaroslav@810	259	public static final int opc_dcmpg = 152;
jaroslav@810	260	public static final int opc_ifeq = 153;
jaroslav@810	261	public static final int opc_ifne = 154;
jaroslav@810	262	public static final int opc_iflt = 155;
jaroslav@810	263	public static final int opc_ifge = 156;
jaroslav@810	264	public static final int opc_ifgt = 157;
jaroslav@810	265	public static final int opc_ifle = 158;
jaroslav@810	266	public static final int opc_if_icmpeq = 159;
jaroslav@810	267	public static final int opc_if_icmpne = 160;
jaroslav@810	268	public static final int opc_if_icmplt = 161;
jaroslav@810	269	public static final int opc_if_icmpge = 162;
jaroslav@810	270	public static final int opc_if_icmpgt = 163;
jaroslav@810	271	public static final int opc_if_icmple = 164;
jaroslav@810	272	public static final int opc_if_acmpeq = 165;
jaroslav@810	273	public static final int opc_if_acmpne = 166;
jaroslav@810	274	public static final int opc_goto = 167;
jaroslav@810	275	public static final int opc_jsr = 168;
jaroslav@810	276	public static final int opc_ret = 169;
jaroslav@810	277	public static final int opc_tableswitch = 170;
jaroslav@810	278	public static final int opc_lookupswitch = 171;
jaroslav@810	279	public static final int opc_ireturn = 172;
jaroslav@810	280	public static final int opc_lreturn = 173;
jaroslav@810	281	public static final int opc_freturn = 174;
jaroslav@810	282	public static final int opc_dreturn = 175;
jaroslav@810	283	public static final int opc_areturn = 176;
jaroslav@810	284	public static final int opc_return = 177;
jaroslav@810	285	public static final int opc_getstatic = 178;
jaroslav@810	286	public static final int opc_putstatic = 179;
jaroslav@810	287	public static final int opc_getfield = 180;
jaroslav@810	288	public static final int opc_putfield = 181;
jaroslav@810	289	public static final int opc_invokevirtual = 182;
jaroslav@810	290	public static final int opc_invokenonvirtual = 183;
jaroslav@810	291	public static final int opc_invokespecial = 183;
jaroslav@810	292	public static final int opc_invokestatic = 184;
jaroslav@810	293	public static final int opc_invokeinterface = 185;
jaroslav@1640	294	public static final int opc_invokedynamic = 186;
jaroslav@810	295	public static final int opc_new = 187;
jaroslav@810	296	public static final int opc_newarray = 188;
jaroslav@810	297	public static final int opc_anewarray = 189;
jaroslav@810	298	public static final int opc_arraylength = 190;
jaroslav@810	299	public static final int opc_athrow = 191;
jaroslav@810	300	public static final int opc_checkcast = 192;
jaroslav@810	301	public static final int opc_instanceof = 193;
jaroslav@810	302	public static final int opc_monitorenter = 194;
jaroslav@810	303	public static final int opc_monitorexit = 195;
jaroslav@810	304	public static final int opc_wide = 196;
jaroslav@810	305	public static final int opc_multianewarray = 197;
jaroslav@810	306	public static final int opc_ifnull = 198;
jaroslav@810	307	public static final int opc_ifnonnull = 199;
jaroslav@810	308	public static final int opc_goto_w = 200;
jaroslav@810	309	public static final int opc_jsr_w = 201;
jaroslav@810	310	/* Pseudo-instructions */
jaroslav@810	311	public static final int opc_bytecode = 203;
jaroslav@810	312	public static final int opc_try = 204;
jaroslav@810	313	public static final int opc_endtry = 205;
jaroslav@810	314	public static final int opc_catch = 206;
jaroslav@810	315	public static final int opc_var = 207;
jaroslav@810	316	public static final int opc_endvar = 208;
jaroslav@810	317	public static final int opc_localsmap = 209;
jaroslav@810	318	public static final int opc_stackmap = 210;
jaroslav@810	319	/* PicoJava prefixes */
jaroslav@810	320	public static final int opc_nonpriv = 254;
jaroslav@810	321	public static final int opc_priv = 255;
jaroslav@810	322
jaroslav@1471	323	/* Wide instructions *
jaroslav@810	324	public static final int opc_iload_w = (opc_wide<<8)\|opc_iload;
jaroslav@810	325	public static final int opc_lload_w = (opc_wide<<8)\|opc_lload;
jaroslav@810	326	public static final int opc_fload_w = (opc_wide<<8)\|opc_fload;
jaroslav@810	327	public static final int opc_dload_w = (opc_wide<<8)\|opc_dload;
jaroslav@810	328	public static final int opc_aload_w = (opc_wide<<8)\|opc_aload;
jaroslav@810	329	public static final int opc_istore_w = (opc_wide<<8)\|opc_istore;
jaroslav@810	330	public static final int opc_lstore_w = (opc_wide<<8)\|opc_lstore;
jaroslav@810	331	public static final int opc_fstore_w = (opc_wide<<8)\|opc_fstore;
jaroslav@810	332	public static final int opc_dstore_w = (opc_wide<<8)\|opc_dstore;
jaroslav@810	333	public static final int opc_astore_w = (opc_wide<<8)\|opc_astore;
jaroslav@810	334	public static final int opc_ret_w = (opc_wide<<8)\|opc_ret;
jaroslav@810	335	public static final int opc_iinc_w = (opc_wide<<8)\|opc_iinc;
jaroslav@1471	336	*/
jaroslav@810	337	static class AnnotationParser {
jaroslav@810	338
jaroslav@810	339	private final boolean textual;
jaroslav@810	340	private final boolean iterateArray;
jaroslav@810	341
jaroslav@810	342	protected AnnotationParser(boolean textual, boolean iterateArray) {
jaroslav@810	343	this.textual = textual;
jaroslav@810	344	this.iterateArray = iterateArray;
jaroslav@810	345	}
jaroslav@810	346
jaroslav@810	347	protected void visitAnnotationStart(String type, boolean top) throws IOException {
jaroslav@810	348	}
jaroslav@810	349
jaroslav@810	350	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@810	351	}
jaroslav@810	352
jaroslav@810	353	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@810	354	}
jaroslav@810	355
jaroslav@810	356	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@810	357	}
jaroslav@810	358
jaroslav@810	359	protected void visitAttr(
jaroslav@1889	360	String annoType, String attr, String attrType, String value
jaroslav@1889	361	) throws IOException {
jaroslav@810	362	}
jaroslav@810	363
jaroslav@810	364	protected void visitEnumAttr(
jaroslav@1889	365	String annoType, String attr, String attrType, String value
jaroslav@1889	366	) throws IOException {
jaroslav@810	367	visitAttr(annoType, attr, attrType, value);
jaroslav@810	368	}
jaroslav@810	369
jaroslav@1889	370	protected void visitClassAttr(
jaroslav@1889	371	String annoType, String attr, String className
jaroslav@1889	372	) throws IOException {
jaroslav@1889	373	visitAttr(annoType, attr, className, className);
jaroslav@1889	374	}
jaroslav@1889	375
jaroslav@810	376	/**
jaroslav@810	377	* Initialize the parsing with constant pool from
jaroslav@810	378	* <code>cd</code>.
jaroslav@810	379	*
jaroslav@810	380	* @param attr the attribute defining annotations
jaroslav@810	381	* @param cd constant pool
jaroslav@810	382	* @throws IOException in case I/O fails
jaroslav@810	383	*/
jaroslav@810	384	public final void parse(byte[] attr, ClassData cd) throws IOException {
jaroslav@810	385	ByteArrayInputStream is = new ByteArrayInputStream(attr);
jaroslav@810	386	DataInputStream dis = new DataInputStream(is);
jaroslav@810	387	try {
jaroslav@810	388	read(dis, cd);
jaroslav@810	389	} finally {
jaroslav@810	390	is.close();
jaroslav@810	391	}
jaroslav@810	392	}
jaroslav@810	393
jaroslav@810	394	private void read(DataInputStream dis, ClassData cd) throws IOException {
jaroslav@810	395	int cnt = dis.readUnsignedShort();
jaroslav@810	396	for (int i = 0; i < cnt; i++) {
jaroslav@810	397	readAnno(dis, cd, true);
jaroslav@810	398	}
jaroslav@810	399	}
jaroslav@810	400
jaroslav@810	401	private void readAnno(DataInputStream dis, ClassData cd, boolean top) throws IOException {
jaroslav@810	402	int type = dis.readUnsignedShort();
jaroslav@810	403	String typeName = cd.StringValue(type);
jaroslav@810	404	visitAnnotationStart(typeName, top);
jaroslav@810	405	int cnt = dis.readUnsignedShort();
jaroslav@810	406	for (int i = 0; i < cnt; i++) {
jaroslav@810	407	String attrName = cd.StringValue(dis.readUnsignedShort());
jaroslav@810	408	readValue(dis, cd, typeName, attrName);
jaroslav@810	409	}
jaroslav@810	410	visitAnnotationEnd(typeName, top);
jaroslav@810	411	if (cnt == 0) {
jaroslav@810	412	visitAttr(typeName, null, null, null);
jaroslav@810	413	}
jaroslav@810	414	}
jaroslav@810	415
jaroslav@1889	416	public void parseDefault(byte[] defaultAttribute, ClassData cd) throws IOException {
jaroslav@1889	417	ByteArrayInputStream is = new ByteArrayInputStream(defaultAttribute);
jaroslav@1889	418	DataInputStream dis = new DataInputStream(is);
jaroslav@1889	419	try {
jaroslav@1889	420	readValue(dis, cd, null, null);
jaroslav@1889	421	} finally {
jaroslav@1889	422	is.close();
jaroslav@1889	423	}
jaroslav@1889	424	}
jaroslav@1889	425
jaroslav@810	426	private void readValue(
jaroslav@810	427	DataInputStream dis, ClassData cd, String typeName, String attrName) throws IOException {
jaroslav@810	428	char type = (char) dis.readByte();
jaroslav@810	429	visitValueStart(attrName, type);
jaroslav@810	430	if (type == '@') {
jaroslav@810	431	readAnno(dis, cd, false);
jaroslav@810	432	} else if ("CFJZsSIDB".indexOf(type) >= 0) { // NOI18N
jaroslav@810	433	int primitive = dis.readUnsignedShort();
jaroslav@810	434	String val = cd.stringValue(primitive, textual);
jaroslav@810	435	String attrType;
jaroslav@810	436	if (type == 's') {
jaroslav@810	437	attrType = "Ljava_lang_String_2";
jaroslav@810	438	if (textual) {
jaroslav@810	439	val = '"' + val + '"';
jaroslav@810	440	}
jaroslav@810	441	} else {
jaroslav@810	442	attrType = "" + type;
jaroslav@810	443	}
jaroslav@810	444	visitAttr(typeName, attrName, attrType, val);
jaroslav@810	445	} else if (type == 'c') {
jaroslav@810	446	int cls = dis.readUnsignedShort();
jaroslav@1889	447	String attrType = cd.stringValue(cls, textual);
jaroslav@1889	448	visitClassAttr(typeName, attrName, attrType);
jaroslav@810	449	} else if (type == '[') {
jaroslav@810	450	int cnt = dis.readUnsignedShort();
jaroslav@810	451	for (int i = 0; i < cnt; i++) {
jaroslav@810	452	readValue(dis, cd, typeName, iterateArray ? attrName : null);
jaroslav@810	453	}
jaroslav@810	454	} else if (type == 'e') {
jaroslav@810	455	int enumT = dis.readUnsignedShort();
jaroslav@810	456	String attrType = cd.stringValue(enumT, textual);
jaroslav@810	457	int enumN = dis.readUnsignedShort();
jaroslav@810	458	String val = cd.stringValue(enumN, textual);
jaroslav@810	459	visitEnumAttr(typeName, attrName, attrType, val);
jaroslav@810	460	} else {
jaroslav@810	461	throw new IOException("Unknown type " + type);
jaroslav@810	462	}
jaroslav@810	463	visitValueEnd(attrName, type);
jaroslav@810	464	}
jaroslav@810	465	}
jaroslav@810	466
jaroslav@810	467	/**
jaroslav@810	468	* Reads and stores attribute information.
jaroslav@810	469	*
jaroslav@810	470	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	471	*/
jaroslav@810	472	private static class AttrData {
jaroslav@810	473
jaroslav@810	474	ClassData cls;
jaroslav@810	475	int name_cpx;
jaroslav@810	476	int datalen;
jaroslav@810	477	byte data[];
jaroslav@810	478
jaroslav@810	479	public AttrData(ClassData cls) {
jaroslav@810	480	this.cls = cls;
jaroslav@810	481	}
jaroslav@810	482
jaroslav@810	483	/**
jaroslav@810	484	* Reads unknown attribute.
jaroslav@810	485	*/
jaroslav@810	486	public void read(int name_cpx, DataInputStream in) throws IOException {
jaroslav@810	487	this.name_cpx = name_cpx;
jaroslav@810	488	datalen = in.readInt();
jaroslav@810	489	data = new byte[datalen];
jaroslav@810	490	in.readFully(data);
jaroslav@810	491	}
jaroslav@810	492
jaroslav@810	493	/**
jaroslav@810	494	* Reads just the name of known attribute.
jaroslav@810	495	*/
jaroslav@810	496	public void read(int name_cpx) {
jaroslav@810	497	this.name_cpx = name_cpx;
jaroslav@810	498	}
jaroslav@810	499
jaroslav@810	500	/**
jaroslav@810	501	* Returns attribute name.
jaroslav@810	502	*/
jaroslav@810	503	public String getAttrName() {
jaroslav@810	504	return cls.getString(name_cpx);
jaroslav@810	505	}
jaroslav@810	506
jaroslav@810	507	/**
jaroslav@810	508	* Returns attribute data.
jaroslav@810	509	*/
jaroslav@810	510	public byte[] getData() {
jaroslav@810	511	return data;
jaroslav@810	512	}
jaroslav@810	513	}
jaroslav@810	514
jaroslav@810	515	/**
jaroslav@810	516	* Stores constant pool entry information with one field.
jaroslav@810	517	*
jaroslav@810	518	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	519	*/
jaroslav@810	520	private static class CPX {
jaroslav@810	521
jaroslav@1642	522	final int cpx;
jaroslav@810	523
jaroslav@810	524	CPX(int cpx) {
jaroslav@810	525	this.cpx = cpx;
jaroslav@810	526	}
jaroslav@810	527	}
jaroslav@810	528
jaroslav@810	529	/**
jaroslav@810	530	* Stores constant pool entry information with two fields.
jaroslav@810	531	*
jaroslav@810	532	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	533	*/
jaroslav@1642	534	static class CPX2 {
jaroslav@810	535
jaroslav@1642	536	final int cpx1, cpx2;
jaroslav@810	537
jaroslav@810	538	CPX2(int cpx1, int cpx2) {
jaroslav@810	539	this.cpx1 = cpx1;
jaroslav@810	540	this.cpx2 = cpx2;
jaroslav@810	541	}
jaroslav@810	542	}
jaroslav@810	543
jaroslav@810	544	/**
jaroslav@810	545	* Central data repository of the Java Disassembler. Stores all the
jaroslav@810	546	* information in java class file.
jaroslav@810	547	*
jaroslav@810	548	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	549	*/
jaroslav@810	550	static final class ClassData {
jaroslav@810	551
jaroslav@810	552	private int magic;
jaroslav@810	553	private int minor_version;
jaroslav@810	554	private int major_version;
jaroslav@810	555	private int cpool_count;
jaroslav@810	556	private Object cpool[];
jaroslav@810	557	private int access;
jaroslav@810	558	private int this_class = 0;
jaroslav@810	559	private int super_class;
jaroslav@810	560	private int interfaces_count;
jaroslav@810	561	private int[] interfaces = new int[0];
jaroslav@810	562	private FieldData[] fields;
jaroslav@810	563	private MethodData[] methods;
jaroslav@810	564	private InnerClassData[] innerClasses;
jaroslav@1642	565	private BootMethodData[] bootMethods;
jaroslav@810	566	private int attributes_count;
jaroslav@810	567	private AttrData[] attrs;
jaroslav@810	568	private int source_cpx = 0;
jaroslav@810	569	private byte tags[];
jaroslav@810	570	private Hashtable indexHashAscii = new Hashtable();
jaroslav@810	571	private String pkgPrefix = "";
jaroslav@810	572	private int pkgPrefixLen = 0;
jaroslav@1898	573	private boolean hasEnclosingMethod;
jaroslav@810	574
jaroslav@810	575	/**
jaroslav@810	576	* Read classfile to disassemble.
jaroslav@810	577	*/
jaroslav@810	578	public ClassData(InputStream infile) throws IOException {
jaroslav@810	579	this.read(new DataInputStream(infile));
jaroslav@810	580	}
jaroslav@810	581
jaroslav@810	582	/**
jaroslav@810	583	* Reads and stores class file information.
jaroslav@810	584	*/
jaroslav@810	585	public void read(DataInputStream in) throws IOException {
jaroslav@810	586	// Read the header
jaroslav@810	587	magic = in.readInt();
jaroslav@810	588	if (magic != JAVA_MAGIC) {
jaroslav@810	589	throw new ClassFormatError("wrong magic: "
jaroslav@810	590	+ toHex(magic) + ", expected "
jaroslav@810	591	+ toHex(JAVA_MAGIC));
jaroslav@810	592	}
jaroslav@810	593	minor_version = in.readShort();
jaroslav@810	594	major_version = in.readShort();
jaroslav@810	595	if (major_version != JAVA_VERSION) {
jaroslav@810	596	}
jaroslav@810	597
jaroslav@810	598	// Read the constant pool
jaroslav@810	599	readCP(in);
jaroslav@810	600	access = in.readUnsignedShort();
jaroslav@810	601	this_class = in.readUnsignedShort();
jaroslav@810	602	super_class = in.readUnsignedShort();
jaroslav@810	603
jaroslav@810	604	//Read interfaces.
jaroslav@810	605	interfaces_count = in.readUnsignedShort();
jaroslav@810	606	if (interfaces_count > 0) {
jaroslav@810	607	interfaces = new int[interfaces_count];
jaroslav@810	608	}
jaroslav@810	609	for (int i = 0; i < interfaces_count; i++) {
jaroslav@810	610	interfaces[i] = in.readShort();
jaroslav@810	611	}
jaroslav@810	612
jaroslav@810	613	// Read the fields
jaroslav@810	614	readFields(in);
jaroslav@810	615
jaroslav@810	616	// Read the methods
jaroslav@810	617	readMethods(in);
jaroslav@810	618
jaroslav@810	619	// Read the attributes
jaroslav@810	620	attributes_count = in.readUnsignedShort();
jaroslav@810	621	attrs = new AttrData[attributes_count];
jaroslav@810	622	for (int k = 0; k < attributes_count; k++) {
jaroslav@810	623	int name_cpx = in.readUnsignedShort();
jaroslav@1898	624	if (getTag(name_cpx) == CONSTANT_UTF8) {
jaroslav@1898	625	final String attrName = getString(name_cpx);
jaroslav@1898	626	if (attrName.equals("SourceFile")) {
jaroslav@1898	627	if (in.readInt() != 2) {
jaroslav@1898	628	throw new ClassFormatError("invalid attr length");
jaroslav@1898	629	}
jaroslav@1898	630	source_cpx = in.readUnsignedShort();
jaroslav@1898	631	AttrData attr = new AttrData(this);
jaroslav@1898	632	attr.read(name_cpx);
jaroslav@1898	633	attrs[k] = attr;
jaroslav@1898	634
jaroslav@1898	635	} else if (attrName.equals("InnerClasses")) {
jaroslav@1898	636	int length = in.readInt();
jaroslav@1898	637	int num = in.readUnsignedShort();
jaroslav@1898	638	if (2 + num * 8 != length) {
jaroslav@1898	639	throw new ClassFormatError("invalid attr length");
jaroslav@1898	640	}
jaroslav@1898	641	innerClasses = new InnerClassData[num];
jaroslav@1898	642	for (int j = 0; j < num; j++) {
jaroslav@1898	643	InnerClassData innerClass = new InnerClassData(this);
jaroslav@1898	644	innerClass.read(in);
jaroslav@1898	645	innerClasses[j] = innerClass;
jaroslav@1898	646	}
jaroslav@1898	647	AttrData attr = new AttrData(this);
jaroslav@1898	648	attr.read(name_cpx);
jaroslav@1898	649	attrs[k] = attr;
jaroslav@1898	650	} else if (attrName.equals("BootstrapMethods")) {
jaroslav@1898	651	AttrData attr = new AttrData(this);
jaroslav@1898	652	bootMethods = readBootstrapMethods(in);
jaroslav@1898	653	attr.read(name_cpx);
jaroslav@1898	654	attrs[k] = attr;
jaroslav@1898	655	} else {
jaroslav@1898	656	if (attrName.equals("EnclosingMethod")) {
jaroslav@1898	657	hasEnclosingMethod = true;
jaroslav@1898	658	}
jaroslav@1898	659	AttrData attr = new AttrData(this);
jaroslav@1898	660	attr.read(name_cpx, in);
jaroslav@1898	661	attrs[k] = attr;
jaroslav@810	662	}
jaroslav@810	663	}
jaroslav@810	664	}
jaroslav@810	665	in.close();
jaroslav@810	666	} // end ClassData.read()
jaroslav@810	667
jaroslav@1642	668	BootMethodData[] readBootstrapMethods(DataInputStream in) throws IOException {
jaroslav@1642	669	int attr_len = in.readInt(); //attr_lengt
jaroslav@1640	670	int number = in.readShort();
jaroslav@1642	671	BootMethodData[] arr = new BootMethodData[number];
jaroslav@1640	672	for (int i = 0; i < number; i++) {
jaroslav@1640	673	int ref = in.readShort();
jaroslav@1640	674	int len = in.readShort();
jaroslav@1640	675	int[] args = new int[len];
jaroslav@1640	676	for (int j = 0; j < len; j++) {
jaroslav@1640	677	args[j] = in.readShort();
jaroslav@1640	678	}
jaroslav@1642	679	arr[i] = new BootMethodData(this, ref, args);
jaroslav@1640	680	}
jaroslav@1642	681	return arr;
jaroslav@1640	682	}
jaroslav@1640	683
jaroslav@810	684	/**
jaroslav@810	685	* Reads and stores constant pool info.
jaroslav@810	686	*/
jaroslav@810	687	void readCP(DataInputStream in) throws IOException {
jaroslav@810	688	cpool_count = in.readUnsignedShort();
jaroslav@810	689	tags = new byte[cpool_count];
jaroslav@810	690	cpool = new Object[cpool_count];
jaroslav@810	691	for (int i = 1; i < cpool_count; i++) {
jaroslav@810	692	byte tag = in.readByte();
jaroslav@810	693
jaroslav@810	694	switch (tags[i] = tag) {
jaroslav@810	695	case CONSTANT_UTF8:
jaroslav@810	696	String str = in.readUTF();
jaroslav@810	697	indexHashAscii.put(cpool[i] = str, new Integer(i));
jaroslav@810	698	break;
jaroslav@810	699	case CONSTANT_INTEGER:
jaroslav@810	700	cpool[i] = new Integer(in.readInt());
jaroslav@810	701	break;
jaroslav@810	702	case CONSTANT_FLOAT:
jaroslav@810	703	cpool[i] = new Float(in.readFloat());
jaroslav@810	704	break;
jaroslav@810	705	case CONSTANT_LONG:
jaroslav@810	706	cpool[i++] = new Long(in.readLong());
jaroslav@810	707	break;
jaroslav@810	708	case CONSTANT_DOUBLE:
jaroslav@810	709	cpool[i++] = new Double(in.readDouble());
jaroslav@810	710	break;
jaroslav@810	711	case CONSTANT_CLASS:
jaroslav@810	712	case CONSTANT_STRING:
jaroslav@810	713	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@810	714	break;
jaroslav@810	715
jaroslav@810	716	case CONSTANT_FIELD:
jaroslav@810	717	case CONSTANT_METHOD:
jaroslav@810	718	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	719	case CONSTANT_NAMEANDTYPE:
jaroslav@810	720	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@810	721	break;
jaroslav@1639	722	case CONSTANT_METHODHANDLE:
jaroslav@1641	723	cpool[i] = new CPX2(in.readByte(), in.readUnsignedShort());
jaroslav@1639	724	break;
jaroslav@1639	725	case CONSTANT_METHODTYPE:
jaroslav@1641	726	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@1639	727	break;
jaroslav@1639	728	case CONSTANT_INVOKEDYNAMIC:
jaroslav@1641	729	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@1639	730	break;
jaroslav@810	731	case 0:
jaroslav@810	732	default:
jaroslav@810	733	throw new ClassFormatError("invalid constant type: " + (int) tags[i]);
jaroslav@810	734	}
jaroslav@810	735	}
jaroslav@810	736	}
jaroslav@810	737
jaroslav@810	738	/**
jaroslav@810	739	* Reads and strores field info.
jaroslav@810	740	*/
jaroslav@810	741	protected void readFields(DataInputStream in) throws IOException {
jaroslav@810	742	int fields_count = in.readUnsignedShort();
jaroslav@810	743	fields = new FieldData[fields_count];
jaroslav@810	744	for (int k = 0; k < fields_count; k++) {
jaroslav@810	745	FieldData field = new FieldData(this);
jaroslav@810	746	field.read(in);
jaroslav@810	747	fields[k] = field;
jaroslav@810	748	}
jaroslav@810	749	}
jaroslav@810	750
jaroslav@810	751	/**
jaroslav@810	752	* Reads and strores Method info.
jaroslav@810	753	*/
jaroslav@810	754	protected void readMethods(DataInputStream in) throws IOException {
jaroslav@810	755	int methods_count = in.readUnsignedShort();
jaroslav@810	756	methods = new MethodData[methods_count];
jaroslav@810	757	for (int k = 0; k < methods_count; k++) {
jaroslav@810	758	MethodData method = new MethodData(this);
jaroslav@810	759	method.read(in);
jaroslav@810	760	methods[k] = method;
jaroslav@810	761	}
jaroslav@810	762	}
jaroslav@810	763
jaroslav@810	764	/**
jaroslav@810	765	* get a string
jaroslav@810	766	*/
jaroslav@810	767	public String getString(int n) {
jaroslav@810	768	if (n == 0) {
jaroslav@810	769	return null;
jaroslav@810	770	} else {
jaroslav@810	771	return (String) cpool[n];
jaroslav@810	772	}
jaroslav@810	773	}
jaroslav@810	774
jaroslav@810	775	/**
jaroslav@810	776	* get the type of constant given an index
jaroslav@810	777	*/
jaroslav@810	778	public byte getTag(int n) {
jaroslav@810	779	try {
jaroslav@810	780	return tags[n];
jaroslav@810	781	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	782	return (byte) 100;
jaroslav@810	783	}
jaroslav@810	784	}
jaroslav@810	785	static final String hexString = "0123456789ABCDEF";
jaroslav@810	786	public static char hexTable[] = hexString.toCharArray();
jaroslav@810	787
jaroslav@810	788	static String toHex(long val, int width) {
jaroslav@810	789	StringBuffer s = new StringBuffer();
jaroslav@810	790	for (int i = width - 1; i >= 0; i--) {
jaroslav@810	791	s.append(hexTable[((int) (val >> (4 * i))) & 0xF]);
jaroslav@810	792	}
jaroslav@810	793	return "0x" + s.toString();
jaroslav@810	794	}
jaroslav@810	795
jaroslav@810	796	static String toHex(long val) {
jaroslav@810	797	int width;
jaroslav@810	798	for (width = 16; width > 0; width--) {
jaroslav@810	799	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	800	break;
jaroslav@810	801	}
jaroslav@810	802	}
jaroslav@810	803	return toHex(val, width);
jaroslav@810	804	}
jaroslav@810	805
jaroslav@810	806	static String toHex(int val) {
jaroslav@810	807	int width;
jaroslav@810	808	for (width = 8; width > 0; width--) {
jaroslav@810	809	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	810	break;
jaroslav@810	811	}
jaroslav@810	812	}
jaroslav@810	813	return toHex(val, width);
jaroslav@810	814	}
jaroslav@810	815
jaroslav@810	816	/**
jaroslav@810	817	* Returns the name of this class.
jaroslav@810	818	*/
jaroslav@810	819	public String getClassName() {
jaroslav@810	820	String res = null;
jaroslav@810	821	if (this_class == 0) {
jaroslav@810	822	return res;
jaroslav@810	823	}
jaroslav@810	824	int tcpx;
jaroslav@810	825	try {
jaroslav@810	826	if (tags[this_class] != CONSTANT_CLASS) {
jaroslav@810	827	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	828	}
jaroslav@810	829	tcpx = ((CPX) cpool[this_class]).cpx;
jaroslav@810	830	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	831	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	832	} catch (Throwable e) {
jaroslav@810	833	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	834	}
jaroslav@810	835
jaroslav@810	836	try {
jaroslav@810	837	return (String) (cpool[tcpx]);
jaroslav@810	838	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	839	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	840	} catch (ClassCastException e) {
jaroslav@810	841	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	842	} catch (Throwable e) {
jaroslav@810	843	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	844	}
jaroslav@810	845
jaroslav@810	846	}
jaroslav@810	847
jaroslav@810	848	/**
jaroslav@810	849	* Returns the name of class at perticular index.
jaroslav@810	850	*/
jaroslav@810	851	public String getClassName(int cpx) {
jaroslav@810	852	String res = "#" + cpx;
jaroslav@810	853	if (cpx == 0) {
jaroslav@810	854	return res;
jaroslav@810	855	}
jaroslav@810	856	int scpx;
jaroslav@810	857	try {
jaroslav@810	858	if (tags[cpx] != CONSTANT_CLASS) {
jaroslav@810	859	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	860	}
jaroslav@810	861	scpx = ((CPX) cpool[cpx]).cpx;
jaroslav@810	862	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	863	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	864	} catch (Throwable e) {
jaroslav@810	865	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	866	}
jaroslav@810	867	res = "#" + scpx;
jaroslav@810	868	try {
jaroslav@810	869	return (String) (cpool[scpx]);
jaroslav@810	870	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	871	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	872	} catch (ClassCastException e) {
jaroslav@810	873	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	874	} catch (Throwable e) {
jaroslav@810	875	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	876	}
jaroslav@810	877	}
jaroslav@810	878
jaroslav@810	879	public int getAccessFlags() {
jaroslav@810	880	return access;
jaroslav@810	881	}
jaroslav@810	882
jaroslav@1898	883	public boolean hasEnclosingMethod() {
jaroslav@1898	884	return hasEnclosingMethod;
jaroslav@1898	885	}
jaroslav@1898	886
jaroslav@810	887	/**
jaroslav@810	888	* Returns true if it is a class
jaroslav@810	889	*/
jaroslav@810	890	public boolean isClass() {
jaroslav@810	891	if ((access & ACC_INTERFACE) == 0) {
jaroslav@810	892	return true;
jaroslav@810	893	}
jaroslav@810	894	return false;
jaroslav@810	895	}
jaroslav@810	896
jaroslav@810	897	/**
jaroslav@810	898	* Returns true if it is a interface.
jaroslav@810	899	*/
jaroslav@810	900	public boolean isInterface() {
jaroslav@810	901	if ((access & ACC_INTERFACE) != 0) {
jaroslav@810	902	return true;
jaroslav@810	903	}
jaroslav@810	904	return false;
jaroslav@810	905	}
jaroslav@810	906
jaroslav@1889	907	public boolean isAnnotation() {
jaroslav@1889	908	return (access & ACC_ANNOTATION) != 0;
jaroslav@1889	909	}
jaroslav@1889	910
jaroslav@810	911	/**
jaroslav@810	912	* Returns true if this member is public, false otherwise.
jaroslav@810	913	*/
jaroslav@810	914	public boolean isPublic() {
jaroslav@810	915	return (access & ACC_PUBLIC) != 0;
jaroslav@810	916	}
jaroslav@810	917
jaroslav@810	918	/**
jaroslav@810	919	* Returns the access of this class or interface.
jaroslav@810	920	*/
jaroslav@810	921	public String[] getAccess() {
jaroslav@810	922	Vector v = new Vector();
jaroslav@810	923	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	924	v.addElement("public");
jaroslav@810	925	}
jaroslav@810	926	if ((access & ACC_FINAL) != 0) {
jaroslav@810	927	v.addElement("final");
jaroslav@810	928	}
jaroslav@810	929	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	930	v.addElement("abstract");
jaroslav@810	931	}
jaroslav@810	932	String[] accflags = new String[v.size()];
jaroslav@810	933	v.copyInto(accflags);
jaroslav@810	934	return accflags;
jaroslav@810	935	}
jaroslav@810	936
jaroslav@810	937	/**
jaroslav@810	938	* Returns list of innerclasses.
jaroslav@810	939	*/
jaroslav@810	940	public InnerClassData[] getInnerClasses() {
jaroslav@810	941	return innerClasses;
jaroslav@810	942	}
jaroslav@810	943
jaroslav@810	944	/**
jaroslav@810	945	* Returns list of attributes.
jaroslav@810	946	*/
jaroslav@810	947	final AttrData[] getAttributes() {
jaroslav@810	948	return attrs;
jaroslav@810	949	}
jaroslav@810	950
jaroslav@810	951	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	952	String n = classRetention
jaroslav@810	953	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	954	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	955	return findAttr(n, attrs);
jaroslav@810	956	}
jaroslav@810	957
jaroslav@810	958	/**
jaroslav@810	959	* Returns true if superbit is set.
jaroslav@810	960	*/
jaroslav@810	961	public boolean isSuperSet() {
jaroslav@810	962	if ((access & ACC_SUPER) != 0) {
jaroslav@810	963	return true;
jaroslav@810	964	}
jaroslav@810	965	return false;
jaroslav@810	966	}
jaroslav@810	967
jaroslav@810	968	/**
jaroslav@810	969	* Returns super class name.
jaroslav@810	970	*/
jaroslav@810	971	public String getSuperClassName() {
jaroslav@810	972	String res = null;
jaroslav@810	973	if (super_class == 0) {
jaroslav@810	974	return res;
jaroslav@810	975	}
jaroslav@810	976	int scpx;
jaroslav@810	977	try {
jaroslav@810	978	if (tags[super_class] != CONSTANT_CLASS) {
jaroslav@810	979	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	980	}
jaroslav@810	981	scpx = ((CPX) cpool[super_class]).cpx;
jaroslav@810	982	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	983	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	984	} catch (Throwable e) {
jaroslav@810	985	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	986	}
jaroslav@810	987
jaroslav@810	988	try {
jaroslav@810	989	return (String) (cpool[scpx]);
jaroslav@810	990	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	991	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	992	} catch (ClassCastException e) {
jaroslav@810	993	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	994	} catch (Throwable e) {
jaroslav@810	995	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	996	}
jaroslav@810	997	}
jaroslav@810	998
jaroslav@810	999	/**
jaroslav@810	1000	* Returns list of super interfaces.
jaroslav@810	1001	*/
jaroslav@810	1002	public String[] getSuperInterfaces() {
jaroslav@810	1003	String interfacenames[] = new String[interfaces.length];
jaroslav@810	1004	int interfacecpx = -1;
jaroslav@810	1005	for (int i = 0; i < interfaces.length; i++) {
jaroslav@810	1006	interfacecpx = ((CPX) cpool[interfaces[i]]).cpx;
jaroslav@810	1007	interfacenames[i] = (String) (cpool[interfacecpx]);
jaroslav@810	1008	}
jaroslav@810	1009	return interfacenames;
jaroslav@810	1010	}
jaroslav@810	1011
jaroslav@810	1012	/**
jaroslav@810	1013	* Returns string at prticular constant pool index.
jaroslav@810	1014	*/
jaroslav@810	1015	public String getStringValue(int cpoolx) {
jaroslav@810	1016	try {
jaroslav@810	1017	return ((String) cpool[cpoolx]);
jaroslav@810	1018	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1019	return "//invalid constant pool index:" + cpoolx;
jaroslav@810	1020	} catch (ClassCastException e) {
jaroslav@810	1021	return "//invalid constant pool ref:" + cpoolx;
jaroslav@810	1022	}
jaroslav@810	1023	}
jaroslav@810	1024
jaroslav@810	1025	/**
jaroslav@810	1026	* Returns list of field info.
jaroslav@810	1027	*/
jaroslav@810	1028	public FieldData[] getFields() {
jaroslav@810	1029	return fields;
jaroslav@810	1030	}
jaroslav@810	1031
jaroslav@810	1032	/**
jaroslav@810	1033	* Returns list of method info.
jaroslav@810	1034	*/
jaroslav@810	1035	public MethodData[] getMethods() {
jaroslav@810	1036	return methods;
jaroslav@810	1037	}
jaroslav@810	1038
jaroslav@810	1039	/**
jaroslav@810	1040	* Returns constant pool entry at that index.
jaroslav@810	1041	*/
jaroslav@810	1042	public CPX2 getCpoolEntry(int cpx) {
jaroslav@810	1043	return ((CPX2) (cpool[cpx]));
jaroslav@810	1044	}
jaroslav@810	1045
jaroslav@810	1046	public Object getCpoolEntryobj(int cpx) {
jaroslav@810	1047	return (cpool[cpx]);
jaroslav@810	1048	}
jaroslav@810	1049
jaroslav@810	1050	/**
jaroslav@810	1051	* Returns index of this class.
jaroslav@810	1052	*/
jaroslav@810	1053	public int getthis_cpx() {
jaroslav@810	1054	return this_class;
jaroslav@810	1055	}
jaroslav@810	1056
jaroslav@810	1057	/**
jaroslav@810	1058	* Returns string at that index.
jaroslav@810	1059	*/
jaroslav@810	1060	public String StringValue(int cpx) {
jaroslav@810	1061	return stringValue(cpx, false);
jaroslav@810	1062	}
jaroslav@810	1063
jaroslav@810	1064	public String stringValue(int cpx, boolean textual) {
jaroslav@810	1065	return stringValue(cpx, textual, null);
jaroslav@810	1066	}
jaroslav@810	1067
jaroslav@810	1068	public String stringValue(int cpx, String[] classRefs) {
jaroslav@810	1069	return stringValue(cpx, true, classRefs);
jaroslav@810	1070	}
jaroslav@810	1071
jaroslav@810	1072	private String stringValue(int cpx, boolean textual, String[] refs) {
jaroslav@810	1073	if (cpx == 0) {
jaroslav@810	1074	return "#0";
jaroslav@810	1075	}
jaroslav@810	1076	int tag;
jaroslav@810	1077	Object x;
jaroslav@810	1078	String suffix = "";
jaroslav@810	1079	try {
jaroslav@810	1080	tag = tags[cpx];
jaroslav@810	1081	x = cpool[cpx];
jaroslav@810	1082	} catch (IndexOutOfBoundsException e) {
jaroslav@810	1083	return "<Incorrect CP index:" + cpx + ">";
jaroslav@810	1084	}
jaroslav@810	1085
jaroslav@810	1086	if (x == null) {
jaroslav@810	1087	return "<NULL>";
jaroslav@810	1088	}
jaroslav@810	1089	switch (tag) {
jaroslav@810	1090	case CONSTANT_UTF8: {
jaroslav@810	1091	if (!textual) {
jaroslav@810	1092	return (String) x;
jaroslav@810	1093	}
jaroslav@810	1094	StringBuilder sb = new StringBuilder();
jaroslav@810	1095	String s = (String) x;
jaroslav@810	1096	for (int k = 0; k < s.length(); k++) {
jaroslav@810	1097	char c = s.charAt(k);
jaroslav@810	1098	switch (c) {
jaroslav@810	1099	case '\\':
jaroslav@810	1100	sb.append('\\').append('\\');
jaroslav@810	1101	break;
jaroslav@810	1102	case '\t':
jaroslav@810	1103	sb.append('\\').append('t');
jaroslav@810	1104	break;
jaroslav@810	1105	case '\n':
jaroslav@810	1106	sb.append('\\').append('n');
jaroslav@810	1107	break;
jaroslav@810	1108	case '\r':
jaroslav@810	1109	sb.append('\\').append('r');
jaroslav@810	1110	break;
jaroslav@810	1111	case '\"':
jaroslav@810	1112	sb.append('\\').append('\"');
jaroslav@810	1113	break;
jaroslav@1354	1114	case '\u2028':
jaroslav@1354	1115	sb.append("\\u2028");
jaroslav@1354	1116	break;
jaroslav@1354	1117	case '\u2029':
jaroslav@1354	1118	sb.append("\\u2029");
jaroslav@1354	1119	break;
jaroslav@810	1120	default:
jaroslav@810	1121	sb.append(c);
jaroslav@810	1122	}
jaroslav@810	1123	}
jaroslav@810	1124	return sb.toString();
jaroslav@810	1125	}
jaroslav@810	1126	case CONSTANT_DOUBLE: {
jaroslav@810	1127	Double d = (Double) x;
jaroslav@810	1128	String sd = d.toString();
jaroslav@810	1129	if (textual) {
jaroslav@810	1130	return sd;
jaroslav@810	1131	}
jaroslav@810	1132	return sd + "d";
jaroslav@810	1133	}
jaroslav@810	1134	case CONSTANT_FLOAT: {
jaroslav@810	1135	Float f = (Float) x;
jaroslav@810	1136	String sf = (f).toString();
jaroslav@810	1137	if (textual) {
jaroslav@810	1138	return sf;
jaroslav@810	1139	}
jaroslav@810	1140	return sf + "f";
jaroslav@810	1141	}
jaroslav@810	1142	case CONSTANT_LONG: {
jaroslav@810	1143	Long ln = (Long) x;
jaroslav@810	1144	if (textual) {
jaroslav@810	1145	return ln.toString();
jaroslav@810	1146	}
jaroslav@810	1147	return ln.toString() + 'l';
jaroslav@810	1148	}
jaroslav@810	1149	case CONSTANT_INTEGER: {
jaroslav@810	1150	Integer in = (Integer) x;
jaroslav@810	1151	return in.toString();
jaroslav@810	1152	}
jaroslav@810	1153	case CONSTANT_CLASS:
jaroslav@810	1154	String jn = getClassName(cpx);
jaroslav@810	1155	if (textual) {
jaroslav@810	1156	if (refs != null) {
jaroslav@810	1157	refs[0] = jn;
jaroslav@810	1158	}
jaroslav@810	1159	return jn;
jaroslav@810	1160	}
jaroslav@810	1161	return javaName(jn);
jaroslav@810	1162	case CONSTANT_STRING:
jaroslav@810	1163	String sv = stringValue(((CPX) x).cpx, textual);
jaroslav@810	1164	if (textual) {
jaroslav@810	1165	return '"' + sv + '"';
jaroslav@810	1166	} else {
jaroslav@810	1167	return sv;
jaroslav@810	1168	}
jaroslav@810	1169	case CONSTANT_FIELD:
jaroslav@810	1170	case CONSTANT_METHOD:
jaroslav@810	1171	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	1172	//return getShortClassName(((CPX2)x).cpx1)+"."+StringValue(((CPX2)x).cpx2);
jaroslav@810	1173	return javaName(getClassName(((CPX2) x).cpx1)) + "." + StringValue(((CPX2) x).cpx2);
jaroslav@810	1174
jaroslav@810	1175	case CONSTANT_NAMEANDTYPE:
jaroslav@810	1176	return getName(((CPX2) x).cpx1) + ":" + StringValue(((CPX2) x).cpx2);
jaroslav@1642	1177	case CONSTANT_METHODHANDLE:
jaroslav@1642	1178	return "K" + ((CPX2)x).cpx1 + "@" + stringValue(((CPX2)x).cpx2, textual);
jaroslav@1642	1179	case CONSTANT_METHODTYPE:
jaroslav@1642	1180	return stringValue(((CPX)x).cpx, true);
jaroslav@810	1181	default:
jaroslav@1642	1182	return "UnknownTag" + tag; //TBD
jaroslav@810	1183	}
jaroslav@810	1184	}
jaroslav@810	1185
jaroslav@810	1186	/**
jaroslav@810	1187	* Returns resolved java type name.
jaroslav@810	1188	*/
jaroslav@810	1189	public String javaName(String name) {
jaroslav@810	1190	if (name == null) {
jaroslav@810	1191	return "null";
jaroslav@810	1192	}
jaroslav@810	1193	int len = name.length();
jaroslav@810	1194	if (len == 0) {
jaroslav@810	1195	return "\"\"";
jaroslav@810	1196	}
jaroslav@810	1197	int cc = '/';
jaroslav@810	1198	fullname:
jaroslav@810	1199	{ // xxx/yyy/zzz
jaroslav@810	1200	int cp;
jaroslav@810	1201	for (int k = 0; k < len; k += Character.charCount(cp)) {
jaroslav@810	1202	cp = name.codePointAt(k);
jaroslav@810	1203	if (cc == '/') {
jaroslav@810	1204	if (!isJavaIdentifierStart(cp)) {
jaroslav@810	1205	break fullname;
jaroslav@810	1206	}
jaroslav@810	1207	} else if (cp != '/') {
jaroslav@810	1208	if (!isJavaIdentifierPart(cp)) {
jaroslav@810	1209	break fullname;
jaroslav@810	1210	}
jaroslav@810	1211	}
jaroslav@810	1212	cc = cp;
jaroslav@810	1213	}
jaroslav@810	1214	return name;
jaroslav@810	1215	}
jaroslav@810	1216	return "\"" + name + "\"";
jaroslav@810	1217	}
jaroslav@810	1218
jaroslav@810	1219	public String getName(int cpx) {
jaroslav@810	1220	String res;
jaroslav@810	1221	try {
jaroslav@810	1222	return javaName((String) cpool[cpx]); //.replace('/','.');
jaroslav@810	1223	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1224	return "<invalid constant pool index:" + cpx + ">";
jaroslav@810	1225	} catch (ClassCastException e) {
jaroslav@810	1226	return "<invalid constant pool ref:" + cpx + ">";
jaroslav@810	1227	}
jaroslav@810	1228	}
jaroslav@810	1229
jaroslav@810	1230	/**
jaroslav@810	1231	* Returns unqualified class name.
jaroslav@810	1232	*/
jaroslav@810	1233	public String getShortClassName(int cpx) {
jaroslav@810	1234	String classname = javaName(getClassName(cpx));
jaroslav@810	1235	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1236	if (pkgPrefixLen != 0) {
jaroslav@810	1237	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1238	if (classname.startsWith(pkgPrefix)) {
jaroslav@810	1239	return classname.substring(pkgPrefixLen);
jaroslav@810	1240	}
jaroslav@810	1241	}
jaroslav@810	1242	return classname;
jaroslav@810	1243	}
jaroslav@810	1244
jaroslav@810	1245	/**
jaroslav@810	1246	* Returns source file name.
jaroslav@810	1247	*/
jaroslav@810	1248	public String getSourceName() {
jaroslav@810	1249	return getName(source_cpx);
jaroslav@810	1250	}
jaroslav@810	1251
jaroslav@810	1252	/**
jaroslav@810	1253	* Returns package name.
jaroslav@810	1254	*/
jaroslav@810	1255	public String getPkgName() {
jaroslav@810	1256	String classname = getClassName(this_class);
jaroslav@810	1257	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1258	if (pkgPrefixLen != 0) {
jaroslav@810	1259	pkgPrefix = classname.substring(0, pkgPrefixLen);
lubomir@967	1260	return /* ("package " + / pkgPrefix.substring(0, pkgPrefixLen - 1) / + ";\n") */;
jaroslav@810	1261	} else {
jaroslav@810	1262	return null;
jaroslav@810	1263	}
jaroslav@810	1264	}
jaroslav@1642	1265
jaroslav@1657	1266	public BootMethodData getBootMethod(int indx) {
jaroslav@1657	1267	return bootMethods != null ? bootMethods[indx] : null;
jaroslav@1642	1268	}
jaroslav@810	1269
jaroslav@810	1270	/**
jaroslav@810	1271	* Returns total constant pool entry count.
jaroslav@810	1272	*/
jaroslav@810	1273	public int getCpoolCount() {
jaroslav@810	1274	return cpool_count;
jaroslav@810	1275	}
jaroslav@810	1276
jaroslav@810	1277	/**
jaroslav@810	1278	* Returns minor version of class file.
jaroslav@810	1279	*/
jaroslav@810	1280	public int getMinor_version() {
jaroslav@810	1281	return minor_version;
jaroslav@810	1282	}
jaroslav@810	1283
jaroslav@810	1284	/**
jaroslav@810	1285	* Returns major version of class file.
jaroslav@810	1286	*/
jaroslav@810	1287	public int getMajor_version() {
jaroslav@810	1288	return major_version;
jaroslav@810	1289	}
jaroslav@810	1290
jaroslav@810	1291	private boolean isJavaIdentifierStart(int cp) {
jaroslav@810	1292	return ('a' <= cp && cp <= 'z') \|\| ('A' <= cp && cp <= 'Z');
jaroslav@810	1293	}
jaroslav@810	1294
jaroslav@810	1295	private boolean isJavaIdentifierPart(int cp) {
jaroslav@810	1296	return isJavaIdentifierStart(cp) \|\| ('0' <= cp && cp <= '9');
jaroslav@810	1297	}
jaroslav@810	1298
jaroslav@810	1299	public String[] getNameAndType(int indx) {
jaroslav@810	1300	return getNameAndType(indx, 0, new String[2]);
jaroslav@810	1301	}
jaroslav@810	1302
jaroslav@810	1303	private String[] getNameAndType(int indx, int at, String[] arr) {
jaroslav@810	1304	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1305	arr[at] = StringValue(c2.cpx1);
jaroslav@810	1306	arr[at + 1] = StringValue(c2.cpx2);
jaroslav@810	1307	return arr;
jaroslav@810	1308	}
jaroslav@810	1309
jaroslav@810	1310	public String[] getFieldInfoName(int indx) {
jaroslav@810	1311	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1312	String[] arr = new String[3];
jaroslav@810	1313	arr[0] = getClassName(c2.cpx1);
jaroslav@810	1314	return getNameAndType(c2.cpx2, 1, arr);
jaroslav@810	1315	}
jaroslav@810	1316
lubomir@1085	1317	public MethodData findMethod(String name, String signature) {
lubomir@1085	1318	for (MethodData md: methods) {
lubomir@1085	1319	if (md.getName().equals(name)
lubomir@1085	1320	&& md.getInternalSig().equals(signature)) {
lubomir@1085	1321	return md;
lubomir@1085	1322	}
lubomir@1085	1323	}
lubomir@1085	1324
lubomir@1085	1325	// not found
lubomir@1085	1326	return null;
lubomir@1085	1327	}
lubomir@1085	1328
lubomir@1085	1329	public FieldData findField(String name, String signature) {
lubomir@1085	1330	for (FieldData fd: fields) {
lubomir@1085	1331	if (fd.getName().equals(name)
lubomir@1085	1332	&& fd.getInternalSig().equals(signature)) {
lubomir@1085	1333	return fd;
lubomir@1085	1334	}
lubomir@1085	1335	}
lubomir@1085	1336
lubomir@1085	1337	// not found
lubomir@1085	1338	return null;
lubomir@1085	1339	}
lubomir@1085	1340
jaroslav@810	1341	static byte[] findAttr(String n, AttrData[] attrs) {
jaroslav@810	1342	for (AttrData ad : attrs) {
jaroslav@810	1343	if (n.equals(ad.getAttrName())) {
jaroslav@810	1344	return ad.getData();
jaroslav@810	1345	}
jaroslav@810	1346	}
jaroslav@810	1347	return null;
jaroslav@810	1348	}
jaroslav@810	1349	}
jaroslav@810	1350
jaroslav@810	1351	/**
jaroslav@810	1352	* Strores field data informastion.
jaroslav@810	1353	*
jaroslav@810	1354	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1355	*/
jaroslav@810	1356	static class FieldData {
jaroslav@810	1357
jaroslav@810	1358	ClassData cls;
jaroslav@810	1359	int access;
jaroslav@810	1360	int name_index;
jaroslav@810	1361	int descriptor_index;
jaroslav@810	1362	int attributes_count;
jaroslav@1474	1363	int value_cpx = -1;
jaroslav@810	1364	boolean isSynthetic = false;
jaroslav@810	1365	boolean isDeprecated = false;
jaroslav@810	1366	Vector attrs;
jaroslav@810	1367
jaroslav@810	1368	public FieldData(ClassData cls) {
jaroslav@810	1369	this.cls = cls;
jaroslav@810	1370	}
jaroslav@810	1371
jaroslav@810	1372	/**
jaroslav@810	1373	* Read and store field info.
jaroslav@810	1374	*/
jaroslav@810	1375	public void read(DataInputStream in) throws IOException {
jaroslav@810	1376	access = in.readUnsignedShort();
jaroslav@810	1377	name_index = in.readUnsignedShort();
jaroslav@810	1378	descriptor_index = in.readUnsignedShort();
jaroslav@810	1379	// Read the attributes
jaroslav@810	1380	int attributes_count = in.readUnsignedShort();
jaroslav@810	1381	attrs = new Vector(attributes_count);
jaroslav@810	1382	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1383	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1384	if (cls.getTag(attr_name_index) != CONSTANT_UTF8) {
jaroslav@810	1385	continue;
jaroslav@810	1386	}
jaroslav@810	1387	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1388	if (attr_name.equals("ConstantValue")) {
jaroslav@810	1389	if (in.readInt() != 2) {
jaroslav@810	1390	throw new ClassFormatError("invalid ConstantValue attr length");
jaroslav@810	1391	}
jaroslav@810	1392	value_cpx = in.readUnsignedShort();
jaroslav@810	1393	AttrData attr = new AttrData(cls);
jaroslav@810	1394	attr.read(attr_name_index);
jaroslav@810	1395	attrs.addElement(attr);
jaroslav@810	1396	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1397	if (in.readInt() != 0) {
jaroslav@810	1398	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1399	}
jaroslav@810	1400	isSynthetic = true;
jaroslav@810	1401	AttrData attr = new AttrData(cls);
jaroslav@810	1402	attr.read(attr_name_index);
jaroslav@810	1403	attrs.addElement(attr);
jaroslav@810	1404	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1405	if (in.readInt() != 0) {
jaroslav@810	1406	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1407	}
jaroslav@810	1408	isDeprecated = true;
jaroslav@810	1409	AttrData attr = new AttrData(cls);
jaroslav@810	1410	attr.read(attr_name_index);
jaroslav@810	1411	attrs.addElement(attr);
jaroslav@810	1412	} else {
jaroslav@810	1413	AttrData attr = new AttrData(cls);
jaroslav@810	1414	attr.read(attr_name_index, in);
jaroslav@810	1415	attrs.addElement(attr);
jaroslav@810	1416	}
jaroslav@810	1417	}
jaroslav@810	1418
jaroslav@810	1419	} // end read
jaroslav@810	1420
jaroslav@810	1421	public boolean isStatic() {
jaroslav@810	1422	return (access & ACC_STATIC) != 0;
jaroslav@810	1423	}
jaroslav@810	1424
jaroslav@810	1425	/**
jaroslav@810	1426	* Returns access of a field.
jaroslav@810	1427	*/
jaroslav@810	1428	public String[] getAccess() {
jaroslav@810	1429	Vector v = new Vector();
jaroslav@810	1430	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1431	v.addElement("public");
jaroslav@810	1432	}
jaroslav@810	1433	if ((access & ACC_PRIVATE) != 0) {
jaroslav@810	1434	v.addElement("private");
jaroslav@810	1435	}
jaroslav@810	1436	if ((access & ACC_PROTECTED) != 0) {
jaroslav@810	1437	v.addElement("protected");
jaroslav@810	1438	}
jaroslav@810	1439	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1440	v.addElement("static");
jaroslav@810	1441	}
jaroslav@810	1442	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1443	v.addElement("final");
jaroslav@810	1444	}
jaroslav@810	1445	if ((access & ACC_VOLATILE) != 0) {
jaroslav@810	1446	v.addElement("volatile");
jaroslav@810	1447	}
jaroslav@810	1448	if ((access & ACC_TRANSIENT) != 0) {
jaroslav@810	1449	v.addElement("transient");
jaroslav@810	1450	}
jaroslav@810	1451	String[] accflags = new String[v.size()];
jaroslav@810	1452	v.copyInto(accflags);
jaroslav@810	1453	return accflags;
jaroslav@810	1454	}
jaroslav@810	1455
jaroslav@810	1456	/**
jaroslav@810	1457	* Returns name of a field.
jaroslav@810	1458	*/
jaroslav@810	1459	public String getName() {
jaroslav@810	1460	return cls.getStringValue(name_index);
jaroslav@810	1461	}
jaroslav@810	1462
jaroslav@810	1463	/**
jaroslav@810	1464	* Returns internal signature of a field
jaroslav@810	1465	*/
jaroslav@810	1466	public String getInternalSig() {
jaroslav@810	1467	return cls.getStringValue(descriptor_index);
jaroslav@810	1468	}
jaroslav@810	1469
jaroslav@810	1470	/**
jaroslav@810	1471	* Returns true if field is synthetic.
jaroslav@810	1472	*/
jaroslav@810	1473	public boolean isSynthetic() {
jaroslav@810	1474	return isSynthetic;
jaroslav@810	1475	}
jaroslav@810	1476
jaroslav@810	1477	/**
jaroslav@810	1478	* Returns true if field is deprecated.
jaroslav@810	1479	*/
jaroslav@810	1480	public boolean isDeprecated() {
jaroslav@810	1481	return isDeprecated;
jaroslav@810	1482	}
jaroslav@810	1483
jaroslav@1474	1484	public boolean hasConstantValue() {
jaroslav@1474	1485	return value_cpx != -1;
jaroslav@810	1486	}
jaroslav@810	1487
jaroslav@810	1488	/**
jaroslav@810	1489	* Returns list of attributes of field.
jaroslav@810	1490	*/
jaroslav@810	1491	public Vector getAttributes() {
jaroslav@810	1492	return attrs;
jaroslav@810	1493	}
jaroslav@810	1494
jaroslav@810	1495	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	1496	String n = classRetention
jaroslav@810	1497	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	1498	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	1499	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	1500	attrs.copyInto(arr);
jaroslav@810	1501	return ClassData.findAttr(n, arr);
jaroslav@810	1502	}
jaroslav@810	1503	}
jaroslav@810	1504
jaroslav@810	1505	/**
jaroslav@810	1506	* A JavaScript optimized replacement for Hashtable.
jaroslav@810	1507	*
jaroslav@810	1508	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	1509	*/
jaroslav@810	1510	private static final class Hashtable {
jaroslav@810	1511
jaroslav@810	1512	private Object[] keys;
jaroslav@810	1513	private Object[] values;
jaroslav@810	1514
jaroslav@810	1515	Hashtable(int i) {
jaroslav@810	1516	this();
jaroslav@810	1517	}
jaroslav@810	1518
jaroslav@810	1519	Hashtable(int i, double d) {
jaroslav@810	1520	this();
jaroslav@810	1521	}
jaroslav@810	1522
jaroslav@810	1523	Hashtable() {
jaroslav@810	1524	}
jaroslav@810	1525
jaroslav@810	1526	synchronized void put(Object key, Object val) {
jaroslav@810	1527	int[] where = {-1, -1};
jaroslav@810	1528	Object found = get(key, where);
jaroslav@810	1529	if (where[0] != -1) {
jaroslav@810	1530	// key exists
jaroslav@810	1531	values[where[0]] = val;
jaroslav@810	1532	} else {
jaroslav@810	1533	if (where[1] != -1) {
jaroslav@810	1534	// null found
jaroslav@810	1535	keys[where[1]] = key;
jaroslav@810	1536	values[where[1]] = val;
jaroslav@810	1537	} else {
jaroslav@810	1538	if (keys == null) {
jaroslav@810	1539	keys = new Object[11];
jaroslav@810	1540	values = new Object[11];
jaroslav@810	1541	keys[0] = key;
jaroslav@810	1542	values[0] = val;
jaroslav@810	1543	} else {
jaroslav@810	1544	Object[] newKeys = new Object[keys.length * 2];
jaroslav@810	1545	Object[] newValues = new Object[values.length * 2];
jaroslav@810	1546	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1547	newKeys[i] = keys[i];
jaroslav@810	1548	newValues[i] = values[i];
jaroslav@810	1549	}
jaroslav@810	1550	newKeys[keys.length] = key;
jaroslav@810	1551	newValues[keys.length] = val;
jaroslav@810	1552	keys = newKeys;
jaroslav@810	1553	values = newValues;
jaroslav@810	1554	}
jaroslav@810	1555	}
jaroslav@810	1556	}
jaroslav@810	1557	}
jaroslav@810	1558
jaroslav@810	1559	Object get(Object key) {
jaroslav@810	1560	return get(key, null);
jaroslav@810	1561	}
jaroslav@810	1562
jaroslav@810	1563	private synchronized Object get(Object key, int[] foundAndNull) {
jaroslav@810	1564	if (keys == null) {
jaroslav@810	1565	return null;
jaroslav@810	1566	}
jaroslav@810	1567	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1568	if (keys[i] == null) {
jaroslav@810	1569	if (foundAndNull != null) {
jaroslav@810	1570	foundAndNull[1] = i;
jaroslav@810	1571	}
jaroslav@810	1572	} else if (keys[i].equals(key)) {
jaroslav@810	1573	if (foundAndNull != null) {
jaroslav@810	1574	foundAndNull[0] = i;
jaroslav@810	1575	}
jaroslav@810	1576	return values[i];
jaroslav@810	1577	}
jaroslav@810	1578	}
jaroslav@810	1579	return null;
jaroslav@810	1580	}
jaroslav@810	1581	}
jaroslav@810	1582
jaroslav@810	1583	/**
jaroslav@810	1584	* Strores InnerClass data informastion.
jaroslav@810	1585	*
jaroslav@810	1586	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1587	*/
jaroslav@810	1588	private static class InnerClassData {
jaroslav@810	1589
jaroslav@810	1590	ClassData cls;
jaroslav@810	1591	int inner_class_info_index, outer_class_info_index, inner_name_index, access;
jaroslav@810	1592
jaroslav@810	1593	public InnerClassData(ClassData cls) {
jaroslav@810	1594	this.cls = cls;
jaroslav@810	1595
jaroslav@810	1596	}
jaroslav@810	1597
jaroslav@810	1598	/**
jaroslav@810	1599	* Read Innerclass attribute data.
jaroslav@810	1600	*/
jaroslav@810	1601	public void read(DataInputStream in) throws IOException {
jaroslav@810	1602	inner_class_info_index = in.readUnsignedShort();
jaroslav@810	1603	outer_class_info_index = in.readUnsignedShort();
jaroslav@810	1604	inner_name_index = in.readUnsignedShort();
jaroslav@810	1605	access = in.readUnsignedShort();
jaroslav@810	1606	} // end read
jaroslav@810	1607
jaroslav@810	1608	/**
jaroslav@810	1609	* Returns the access of this class or interface.
jaroslav@810	1610	*/
jaroslav@810	1611	public String[] getAccess() {
jaroslav@810	1612	Vector v = new Vector();
jaroslav@810	1613	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1614	v.addElement("public");
jaroslav@810	1615	}
jaroslav@810	1616	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1617	v.addElement("final");
jaroslav@810	1618	}
jaroslav@810	1619	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	1620	v.addElement("abstract");
jaroslav@810	1621	}
jaroslav@810	1622	String[] accflags = new String[v.size()];
jaroslav@810	1623	v.copyInto(accflags);
jaroslav@810	1624	return accflags;
jaroslav@810	1625	}
jaroslav@810	1626	} // end InnerClassData
jaroslav@1642	1627
jaroslav@1657	1628	static class BootMethodData {
jaroslav@1642	1629	private final ClassData clazz;
jaroslav@1657	1630	final int method;
jaroslav@1642	1631	private final int[] args;
jaroslav@1642	1632
jaroslav@1642	1633	private BootMethodData(ClassData clazz, int method, int[] args) {
jaroslav@1642	1634	this.clazz = clazz;
jaroslav@1642	1635	this.method = method;
jaroslav@1642	1636	this.args = args;
jaroslav@1642	1637	}
jaroslav@1642	1638
jaroslav@1642	1639	@Override
jaroslav@1642	1640	public String toString() {
jaroslav@1642	1641	StringBuilder sb = new StringBuilder();
jaroslav@1642	1642	sb.append(clazz.stringValue(method, true));
jaroslav@1642	1643	sb.append('(');
jaroslav@1642	1644	for (int indx : args) {
jaroslav@1642	1645	sb.append("\n ");
jaroslav@1642	1646	sb.append(clazz.stringValue(indx, true));
jaroslav@1642	1647	}
jaroslav@1642	1648	sb.append(')');
jaroslav@1642	1649	return sb.toString();
jaroslav@1642	1650	}
jaroslav@1642	1651	}
jaroslav@810	1652
jaroslav@810	1653	/**
jaroslav@810	1654	* Strores LineNumberTable data information.
jaroslav@810	1655	*
jaroslav@810	1656	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1657	*/
jaroslav@810	1658	private static class LineNumData {
jaroslav@810	1659
jaroslav@810	1660	short start_pc, line_number;
jaroslav@810	1661
jaroslav@810	1662	public LineNumData() {
jaroslav@810	1663	}
jaroslav@810	1664
jaroslav@810	1665	/**
jaroslav@810	1666	* Read LineNumberTable attribute.
jaroslav@810	1667	*/
jaroslav@810	1668	public LineNumData(DataInputStream in) throws IOException {
jaroslav@810	1669	start_pc = in.readShort();
jaroslav@810	1670	line_number = in.readShort();
jaroslav@810	1671
jaroslav@810	1672	}
jaroslav@810	1673	}
jaroslav@810	1674
jaroslav@810	1675	/**
jaroslav@810	1676	* Strores LocalVariableTable data information.
jaroslav@810	1677	*
jaroslav@810	1678	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1679	*/
jaroslav@810	1680	private static class LocVarData {
jaroslav@810	1681
jaroslav@810	1682	short start_pc, length, name_cpx, sig_cpx, slot;
jaroslav@810	1683
jaroslav@810	1684	public LocVarData() {
jaroslav@810	1685	}
jaroslav@810	1686
jaroslav@810	1687	/**
jaroslav@810	1688	* Read LocalVariableTable attribute.
jaroslav@810	1689	*/
jaroslav@810	1690	public LocVarData(DataInputStream in) throws IOException {
jaroslav@810	1691	start_pc = in.readShort();
jaroslav@810	1692	length = in.readShort();
jaroslav@810	1693	name_cpx = in.readShort();
jaroslav@810	1694	sig_cpx = in.readShort();
jaroslav@810	1695	slot = in.readShort();
jaroslav@810	1696
jaroslav@810	1697	}
jaroslav@810	1698	}
jaroslav@810	1699	/**
jaroslav@810	1700	* Strores method data informastion.
jaroslav@810	1701	*
jaroslav@810	1702	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1703	*/
jaroslav@810	1704	static class MethodData {
jaroslav@810	1705
jaroslav@810	1706	ClassData cls;
jaroslav@810	1707	int access;
jaroslav@810	1708	int name_index;
jaroslav@810	1709	int descriptor_index;
jaroslav@810	1710	int attributes_count;
jaroslav@810	1711	byte[] code;
jaroslav@810	1712	Vector exception_table = new Vector(0);
jaroslav@810	1713	Vector lin_num_tb = new Vector(0);
jaroslav@810	1714	Vector loc_var_tb = new Vector(0);
jaroslav@810	1715	StackMapTableData[] stackMapTable;
jaroslav@810	1716	StackMapData[] stackMap;
jaroslav@810	1717	int[] exc_index_table = null;
jaroslav@810	1718	Vector attrs = new Vector(0);
jaroslav@810	1719	Vector code_attrs = new Vector(0);
jaroslav@810	1720	int max_stack, max_locals;
jaroslav@810	1721	boolean isSynthetic = false;
jaroslav@810	1722	boolean isDeprecated = false;
jaroslav@1889	1723	private AttrData annotationDefault;
jaroslav@810	1724
jaroslav@810	1725	public MethodData(ClassData cls) {
jaroslav@810	1726	this.cls = cls;
jaroslav@810	1727	}
jaroslav@810	1728
jaroslav@810	1729	/**
jaroslav@810	1730	* Read method info.
jaroslav@810	1731	*/
jaroslav@810	1732	public void read(DataInputStream in) throws IOException {
jaroslav@810	1733	access = in.readUnsignedShort();
jaroslav@810	1734	name_index = in.readUnsignedShort();
jaroslav@810	1735	descriptor_index = in.readUnsignedShort();
jaroslav@810	1736	int attributes_count = in.readUnsignedShort();
jaroslav@810	1737	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1738	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1739
jaroslav@810	1740	readAttr:
jaroslav@810	1741	{
jaroslav@810	1742	if (cls.getTag(attr_name_index) == CONSTANT_UTF8) {
jaroslav@810	1743	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1744	if (attr_name.equals("Code")) {
jaroslav@810	1745	readCode(in);
jaroslav@810	1746	AttrData attr = new AttrData(cls);
jaroslav@810	1747	attr.read(attr_name_index);
jaroslav@810	1748	attrs.addElement(attr);
jaroslav@810	1749	break readAttr;
jaroslav@810	1750	} else if (attr_name.equals("Exceptions")) {
jaroslav@810	1751	readExceptions(in);
jaroslav@810	1752	AttrData attr = new AttrData(cls);
jaroslav@810	1753	attr.read(attr_name_index);
jaroslav@810	1754	attrs.addElement(attr);
jaroslav@810	1755	break readAttr;
jaroslav@810	1756	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1757	if (in.readInt() != 0) {
jaroslav@810	1758	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1759	}
jaroslav@810	1760	isSynthetic = true;
jaroslav@810	1761	AttrData attr = new AttrData(cls);
jaroslav@810	1762	attr.read(attr_name_index);
jaroslav@810	1763	attrs.addElement(attr);
jaroslav@810	1764	break readAttr;
jaroslav@810	1765	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1766	if (in.readInt() != 0) {
jaroslav@810	1767	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1768	}
jaroslav@810	1769	isDeprecated = true;
jaroslav@810	1770	AttrData attr = new AttrData(cls);
jaroslav@810	1771	attr.read(attr_name_index);
jaroslav@810	1772	attrs.addElement(attr);
jaroslav@810	1773	break readAttr;
jaroslav@1889	1774	} else if (attr_name.equals("AnnotationDefault")) {
jaroslav@1889	1775	AttrData attr = new AttrData(cls);
jaroslav@1889	1776	attr.read(attr_name_index, in);
jaroslav@1889	1777	attrs.addElement(attr);
jaroslav@1889	1778	annotationDefault = attr;
jaroslav@1889	1779	break readAttr;
jaroslav@810	1780	}
jaroslav@810	1781	}
jaroslav@810	1782	AttrData attr = new AttrData(cls);
jaroslav@810	1783	attr.read(attr_name_index, in);
jaroslav@810	1784	attrs.addElement(attr);
jaroslav@810	1785	}
jaroslav@810	1786	}
jaroslav@810	1787	}
jaroslav@810	1788
jaroslav@810	1789	/**
jaroslav@810	1790	* Read code attribute info.
jaroslav@810	1791	*/
jaroslav@810	1792	public void readCode(DataInputStream in) throws IOException {
jaroslav@810	1793
jaroslav@810	1794	int attr_length = in.readInt();
jaroslav@810	1795	max_stack = in.readUnsignedShort();
jaroslav@810	1796	max_locals = in.readUnsignedShort();
jaroslav@810	1797	int codelen = in.readInt();
jaroslav@810	1798
jaroslav@810	1799	code = new byte[codelen];
jaroslav@810	1800	int totalread = 0;
jaroslav@810	1801	while (totalread < codelen) {
jaroslav@810	1802	totalread += in.read(code, totalread, codelen - totalread);
jaroslav@810	1803	}
jaroslav@810	1804	// in.read(code, 0, codelen);
jaroslav@810	1805	int clen = 0;
jaroslav@810	1806	readExceptionTable(in);
jaroslav@810	1807	int code_attributes_count = in.readUnsignedShort();
jaroslav@810	1808
jaroslav@810	1809	for (int k = 0; k < code_attributes_count; k++) {
jaroslav@810	1810	int table_name_index = in.readUnsignedShort();
jaroslav@810	1811	int table_name_tag = cls.getTag(table_name_index);
jaroslav@810	1812	AttrData attr = new AttrData(cls);
jaroslav@810	1813	if (table_name_tag == CONSTANT_UTF8) {
jaroslav@810	1814	String table_name_tstr = cls.getString(table_name_index);
jaroslav@810	1815	if (table_name_tstr.equals("LineNumberTable")) {
jaroslav@810	1816	readLineNumTable(in);
jaroslav@810	1817	attr.read(table_name_index);
jaroslav@810	1818	} else if (table_name_tstr.equals("LocalVariableTable")) {
jaroslav@810	1819	readLocVarTable(in);
jaroslav@810	1820	attr.read(table_name_index);
jaroslav@810	1821	} else if (table_name_tstr.equals("StackMapTable")) {
jaroslav@810	1822	readStackMapTable(in);
jaroslav@810	1823	attr.read(table_name_index);
jaroslav@810	1824	} else if (table_name_tstr.equals("StackMap")) {
jaroslav@810	1825	readStackMap(in);
jaroslav@810	1826	attr.read(table_name_index);
jaroslav@810	1827	} else {
jaroslav@810	1828	attr.read(table_name_index, in);
jaroslav@810	1829	}
jaroslav@810	1830	code_attrs.addElement(attr);
jaroslav@810	1831	continue;
jaroslav@810	1832	}
jaroslav@810	1833
jaroslav@810	1834	attr.read(table_name_index, in);
jaroslav@810	1835	code_attrs.addElement(attr);
jaroslav@810	1836	}
jaroslav@810	1837	}
jaroslav@810	1838
jaroslav@810	1839	/**
jaroslav@810	1840	* Read exception table info.
jaroslav@810	1841	*/
jaroslav@810	1842	void readExceptionTable(DataInputStream in) throws IOException {
jaroslav@810	1843	int exception_table_len = in.readUnsignedShort();
jaroslav@810	1844	exception_table = new Vector(exception_table_len);
jaroslav@810	1845	for (int l = 0; l < exception_table_len; l++) {
jaroslav@810	1846	exception_table.addElement(new TrapData(in, l));
jaroslav@810	1847	}
jaroslav@810	1848	}
jaroslav@810	1849
jaroslav@810	1850	/**
jaroslav@810	1851	* Read LineNumberTable attribute info.
jaroslav@810	1852	*/
jaroslav@810	1853	void readLineNumTable(DataInputStream in) throws IOException {
jaroslav@810	1854	int attr_len = in.readInt(); // attr_length
jaroslav@810	1855	int lin_num_tb_len = in.readUnsignedShort();
jaroslav@810	1856	lin_num_tb = new Vector(lin_num_tb_len);
jaroslav@810	1857	for (int l = 0; l < lin_num_tb_len; l++) {
jaroslav@810	1858	lin_num_tb.addElement(new LineNumData(in));
jaroslav@810	1859	}
jaroslav@810	1860	}
jaroslav@810	1861
jaroslav@810	1862	/**
jaroslav@810	1863	* Read LocalVariableTable attribute info.
jaroslav@810	1864	*/
jaroslav@810	1865	void readLocVarTable(DataInputStream in) throws IOException {
jaroslav@810	1866	int attr_len = in.readInt(); // attr_length
jaroslav@810	1867	int loc_var_tb_len = in.readUnsignedShort();
jaroslav@810	1868	loc_var_tb = new Vector(loc_var_tb_len);
jaroslav@810	1869	for (int l = 0; l < loc_var_tb_len; l++) {
jaroslav@810	1870	loc_var_tb.addElement(new LocVarData(in));
jaroslav@810	1871	}
jaroslav@810	1872	}
jaroslav@810	1873
jaroslav@810	1874	/**
jaroslav@810	1875	* Read Exception attribute info.
jaroslav@810	1876	*/
jaroslav@810	1877	public void readExceptions(DataInputStream in) throws IOException {
jaroslav@810	1878	int attr_len = in.readInt(); // attr_length in prog
jaroslav@810	1879	int num_exceptions = in.readUnsignedShort();
jaroslav@810	1880	exc_index_table = new int[num_exceptions];
jaroslav@810	1881	for (int l = 0; l < num_exceptions; l++) {
jaroslav@810	1882	int exc = in.readShort();
jaroslav@810	1883	exc_index_table[l] = exc;
jaroslav@810	1884	}
jaroslav@810	1885	}
jaroslav@810	1886
jaroslav@810	1887	/**
jaroslav@810	1888	* Read StackMapTable attribute info.
jaroslav@810	1889	*/
jaroslav@810	1890	void readStackMapTable(DataInputStream in) throws IOException {
jaroslav@810	1891	int attr_len = in.readInt(); //attr_length
jaroslav@810	1892	int stack_map_tb_len = in.readUnsignedShort();
jaroslav@810	1893	stackMapTable = new StackMapTableData[stack_map_tb_len];
jaroslav@810	1894	for (int i = 0; i < stack_map_tb_len; i++) {
jaroslav@810	1895	stackMapTable[i] = StackMapTableData.getInstance(in, this);
jaroslav@810	1896	}
jaroslav@810	1897	}
jaroslav@810	1898
jaroslav@810	1899	/**
jaroslav@810	1900	* Read StackMap attribute info.
jaroslav@810	1901	*/
jaroslav@810	1902	void readStackMap(DataInputStream in) throws IOException {
jaroslav@810	1903	int attr_len = in.readInt(); //attr_length
jaroslav@810	1904	int stack_map_len = in.readUnsignedShort();
jaroslav@810	1905	stackMap = new StackMapData[stack_map_len];
jaroslav@810	1906	for (int i = 0; i < stack_map_len; i++) {
jaroslav@810	1907	stackMap[i] = new StackMapData(in, this);
jaroslav@810	1908	}
jaroslav@810	1909	}
jaroslav@1640	1910
jaroslav@810	1911	/**
jaroslav@810	1912	* Return access of the method.
jaroslav@810	1913	*/
jaroslav@810	1914	public int getAccess() {
jaroslav@810	1915	return access;
jaroslav@810	1916	}
jaroslav@810	1917
jaroslav@810	1918	/**
jaroslav@810	1919	* Return name of the method.
jaroslav@810	1920	*/
jaroslav@810	1921	public String getName() {
jaroslav@810	1922	return cls.getStringValue(name_index);
jaroslav@810	1923	}
jaroslav@810	1924
jaroslav@810	1925	/**
jaroslav@810	1926	* Return internal siganature of the method.
jaroslav@810	1927	*/
jaroslav@810	1928	public String getInternalSig() {
jaroslav@810	1929	return cls.getStringValue(descriptor_index);
jaroslav@810	1930	}
jaroslav@810	1931
jaroslav@810	1932	/**
jaroslav@810	1933	* Return code attribute data of a method.
jaroslav@810	1934	*/
jaroslav@810	1935	public byte[] getCode() {
jaroslav@810	1936	return code;
jaroslav@810	1937	}
jaroslav@810	1938
jaroslav@810	1939	/**
jaroslav@810	1940	* Return LineNumberTable size.
jaroslav@810	1941	*/
jaroslav@810	1942	public int getnumlines() {
jaroslav@810	1943	return lin_num_tb.size();
jaroslav@810	1944	}
jaroslav@810	1945
jaroslav@810	1946	/**
jaroslav@810	1947	* Return LineNumberTable
jaroslav@810	1948	*/
jaroslav@810	1949	public Vector getlin_num_tb() {
jaroslav@810	1950	return lin_num_tb;
jaroslav@810	1951	}
jaroslav@810	1952
jaroslav@810	1953	/**
jaroslav@810	1954	* Return LocalVariableTable size.
jaroslav@810	1955	*/
jaroslav@810	1956	public int getloc_var_tbsize() {
jaroslav@810	1957	return loc_var_tb.size();
jaroslav@810	1958	}
jaroslav@810	1959
jaroslav@810	1960	/**
jaroslav@810	1961	* Return LocalVariableTable.
jaroslav@810	1962	*/
jaroslav@810	1963	public Vector getloc_var_tb() {
jaroslav@810	1964	return loc_var_tb;
jaroslav@810	1965	}
jaroslav@810	1966
jaroslav@810	1967	/**
jaroslav@810	1968	* Return StackMap.
jaroslav@810	1969	*/
jaroslav@810	1970	public StackMapData[] getStackMap() {
jaroslav@810	1971	return stackMap;
jaroslav@810	1972	}
jaroslav@810	1973
jaroslav@810	1974	/**
jaroslav@810	1975	* Return StackMapTable.
jaroslav@810	1976	*/
jaroslav@810	1977	public StackMapTableData[] getStackMapTable() {
jaroslav@810	1978	return stackMapTable;
jaroslav@810	1979	}
jaroslav@810	1980
jaroslav@810	1981	public StackMapIterator createStackMapIterator() {
jaroslav@810	1982	return new StackMapIterator(this);
jaroslav@810	1983	}
jaroslav@810	1984
jaroslav@810	1985	/**
jaroslav@810	1986	* Return true if method is static
jaroslav@810	1987	*/
jaroslav@810	1988	public boolean isStatic() {
jaroslav@810	1989	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1990	return true;
jaroslav@810	1991	}
jaroslav@810	1992	return false;
jaroslav@810	1993	}
jaroslav@810	1994
jaroslav@810	1995	/**
jaroslav@810	1996	* Return max depth of operand stack.
jaroslav@810	1997	*/
jaroslav@810	1998	public int getMaxStack() {
jaroslav@810	1999	return max_stack;
jaroslav@810	2000	}
jaroslav@810	2001
jaroslav@810	2002	/**
jaroslav@810	2003	* Return number of local variables.
jaroslav@810	2004	*/
jaroslav@810	2005	public int getMaxLocals() {
jaroslav@810	2006	return max_locals;
jaroslav@810	2007	}
jaroslav@810	2008
jaroslav@810	2009	/**
jaroslav@810	2010	* Return exception index table in Exception attribute.
jaroslav@810	2011	*/
jaroslav@810	2012	public int[] get_exc_index_table() {
jaroslav@810	2013	return exc_index_table;
jaroslav@810	2014	}
jaroslav@810	2015
jaroslav@810	2016	/**
jaroslav@810	2017	* Return exception table in code attributre.
jaroslav@810	2018	*/
jaroslav@810	2019	public TrapDataIterator getTrapDataIterator() {
jaroslav@810	2020	return new TrapDataIterator(exception_table);
jaroslav@810	2021	}
jaroslav@810	2022
jaroslav@810	2023	/**
jaroslav@810	2024	* Return method attributes.
jaroslav@810	2025	*/
jaroslav@810	2026	public Vector getAttributes() {
jaroslav@810	2027	return attrs;
jaroslav@810	2028	}
jaroslav@810	2029
jaroslav@810	2030	/**
jaroslav@810	2031	* Return code attributes.
jaroslav@810	2032	*/
jaroslav@810	2033	public Vector getCodeAttributes() {
jaroslav@810	2034	return code_attrs;
jaroslav@810	2035	}
jaroslav@810	2036
jaroslav@1889	2037	byte[] getDefaultAttribute() {
jaroslav@1889	2038	return annotationDefault == null ? null : annotationDefault.getData();
jaroslav@1889	2039	}
jaroslav@1889	2040
jaroslav@810	2041	/**
jaroslav@810	2042	* Return true if method id synthetic.
jaroslav@810	2043	*/
jaroslav@810	2044	public boolean isSynthetic() {
jaroslav@810	2045	return isSynthetic;
jaroslav@810	2046	}
jaroslav@810	2047
jaroslav@810	2048	/**
jaroslav@810	2049	* Return true if method is deprecated.
jaroslav@810	2050	*/
jaroslav@810	2051	public boolean isDeprecated() {
jaroslav@810	2052	return isDeprecated;
jaroslav@810	2053	}
jaroslav@810	2054
jaroslav@810	2055	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	2056	String n = classRetention
jaroslav@810	2057	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	2058	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	2059	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	2060	attrs.copyInto(arr);
jaroslav@810	2061	return ClassData.findAttr(n, arr);
jaroslav@810	2062	}
jaroslav@810	2063
jaroslav@810	2064	public boolean isConstructor() {
jaroslav@810	2065	return "<init>".equals(getName());
jaroslav@810	2066	}
jaroslav@810	2067	}
jaroslav@810	2068
jaroslav@810	2069	/* represents one entry of StackMap attribute
jaroslav@810	2070	*/
jaroslav@810	2071	private static class StackMapData {
jaroslav@810	2072
jaroslav@810	2073	final int offset;
jaroslav@810	2074	final int[] locals;
jaroslav@810	2075	final int[] stack;
jaroslav@810	2076
jaroslav@810	2077	StackMapData(int offset, int[] locals, int[] stack) {
jaroslav@810	2078	this.offset = offset;
jaroslav@810	2079	this.locals = locals;
jaroslav@810	2080	this.stack = stack;
jaroslav@810	2081	}
jaroslav@810	2082
jaroslav@810	2083	StackMapData(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2084	offset = in.readUnsignedShort();
jaroslav@810	2085	int local_size = in.readUnsignedShort();
jaroslav@810	2086	locals = readTypeArray(in, local_size, method);
jaroslav@810	2087	int stack_size = in.readUnsignedShort();
jaroslav@810	2088	stack = readTypeArray(in, stack_size, method);
jaroslav@810	2089	}
jaroslav@810	2090
jaroslav@810	2091	static final int[] readTypeArray(DataInputStream in, int length, MethodData method) throws IOException {
jaroslav@810	2092	int[] types = new int[length];
jaroslav@810	2093	for (int i = 0; i < length; i++) {
jaroslav@810	2094	types[i] = readType(in, method);
jaroslav@810	2095	}
jaroslav@810	2096	return types;
jaroslav@810	2097	}
jaroslav@810	2098
jaroslav@810	2099	static final int readType(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2100	int type = in.readUnsignedByte();
jaroslav@810	2101	if (type == ITEM_Object \|\| type == ITEM_NewObject) {
jaroslav@810	2102	type = type \| (in.readUnsignedShort() << 8);
jaroslav@810	2103	}
jaroslav@810	2104	return type;
jaroslav@810	2105	}
jaroslav@810	2106	}
jaroslav@810	2107
jaroslav@810	2108	static final class StackMapIterator {
jaroslav@810	2109
jaroslav@810	2110	private final StackMapTableData[] stackMapTable;
jaroslav@810	2111	private final TypeArray argTypes;
jaroslav@810	2112	private final TypeArray localTypes;
jaroslav@810	2113	private final TypeArray stackTypes;
jaroslav@810	2114	private int nextFrameIndex;
jaroslav@810	2115	private int lastFrameByteCodeOffset;
jaroslav@810	2116	private int byteCodeOffset;
jaroslav@810	2117
jaroslav@810	2118	StackMapIterator(final MethodData methodData) {
jaroslav@810	2119	this(methodData.getStackMapTable(),
jaroslav@810	2120	methodData.getInternalSig(),
jaroslav@810	2121	methodData.isStatic());
jaroslav@810	2122	}
jaroslav@810	2123
jaroslav@810	2124	StackMapIterator(final StackMapTableData[] stackMapTable,
jaroslav@810	2125	final String methodSignature,
jaroslav@810	2126	final boolean isStaticMethod) {
jaroslav@810	2127	this.stackMapTable = (stackMapTable != null)
jaroslav@810	2128	? stackMapTable
jaroslav@810	2129	: new StackMapTableData[0];
jaroslav@810	2130
jaroslav@810	2131	argTypes = getArgTypes(methodSignature, isStaticMethod);
jaroslav@810	2132	localTypes = new TypeArray();
jaroslav@810	2133	stackTypes = new TypeArray();
jaroslav@810	2134
jaroslav@810	2135	localTypes.addAll(argTypes);
jaroslav@810	2136
jaroslav@810	2137	lastFrameByteCodeOffset = -1;
jaroslav@810	2138	advanceBy(0);
jaroslav@810	2139	}
jaroslav@1469	2140
jaroslav@1469	2141	public boolean isEmpty() {
jaroslav@1469	2142	return stackMapTable.length == 0;
jaroslav@1469	2143	}
jaroslav@810	2144
jaroslav@810	2145	public String getFrameAsString() {
jaroslav@810	2146	return (nextFrameIndex == 0)
jaroslav@810	2147	? StackMapTableData.toString("INITIAL", 0, null, null)
jaroslav@810	2148	: stackMapTable[nextFrameIndex - 1].toString();
jaroslav@810	2149	}
jaroslav@810	2150
jaroslav@810	2151	public int getFrameIndex() {
jaroslav@810	2152	return nextFrameIndex;
jaroslav@810	2153	}
jaroslav@810	2154
jaroslav@810	2155	public TypeArray getFrameStack() {
jaroslav@810	2156	return stackTypes;
jaroslav@810	2157	}
jaroslav@810	2158
jaroslav@810	2159	public TypeArray getFrameLocals() {
jaroslav@810	2160	return localTypes;
jaroslav@810	2161	}
jaroslav@810	2162
jaroslav@810	2163	public TypeArray getArguments() {
jaroslav@810	2164	return argTypes;
jaroslav@810	2165	}
jaroslav@810	2166
jaroslav@810	2167	public void advanceBy(final int numByteCodes) {
jaroslav@810	2168	if (numByteCodes < 0) {
jaroslav@810	2169	throw new IllegalStateException("Forward only iterator");
jaroslav@810	2170	}
jaroslav@810	2171
jaroslav@810	2172	byteCodeOffset += numByteCodes;
jaroslav@810	2173	while ((nextFrameIndex < stackMapTable.length)
jaroslav@810	2174	&& ((byteCodeOffset - lastFrameByteCodeOffset)
jaroslav@810	2175	>= (stackMapTable[nextFrameIndex].offsetDelta
jaroslav@810	2176	+ 1))) {
jaroslav@810	2177	final StackMapTableData nextFrame = stackMapTable[nextFrameIndex];
jaroslav@810	2178
jaroslav@810	2179	lastFrameByteCodeOffset += nextFrame.offsetDelta + 1;
jaroslav@810	2180	nextFrame.applyTo(localTypes, stackTypes);
jaroslav@810	2181
jaroslav@810	2182	++nextFrameIndex;
jaroslav@810	2183	}
jaroslav@810	2184	}
jaroslav@810	2185
jaroslav@810	2186	public void advanceTo(final int nextByteCodeOffset) {
jaroslav@810	2187	advanceBy(nextByteCodeOffset - byteCodeOffset);
jaroslav@810	2188	}
jaroslav@810	2189
jaroslav@810	2190	private static TypeArray getArgTypes(final String methodSignature,
jaroslav@810	2191	final boolean isStaticMethod) {
jaroslav@810	2192	final TypeArray argTypes = new TypeArray();
jaroslav@810	2193
jaroslav@810	2194	if (!isStaticMethod) {
jaroslav@810	2195	argTypes.add(ITEM_Object);
jaroslav@810	2196	}
jaroslav@810	2197
jaroslav@810	2198	if (methodSignature.charAt(0) != '(') {
jaroslav@810	2199	throw new IllegalArgumentException("Invalid method signature");
jaroslav@810	2200	}
jaroslav@810	2201
jaroslav@810	2202	final int length = methodSignature.length();
jaroslav@810	2203	boolean skipType = false;
jaroslav@810	2204	int argType;
jaroslav@810	2205	for (int i = 1; i < length; ++i) {
jaroslav@810	2206	switch (methodSignature.charAt(i)) {
jaroslav@810	2207	case 'B':
jaroslav@810	2208	case 'C':
jaroslav@810	2209	case 'S':
jaroslav@810	2210	case 'Z':
jaroslav@810	2211	case 'I':
jaroslav@810	2212	argType = ITEM_Integer;
jaroslav@810	2213	break;
jaroslav@810	2214	case 'J':
jaroslav@810	2215	argType = ITEM_Long;
jaroslav@810	2216	break;
jaroslav@810	2217	case 'F':
jaroslav@810	2218	argType = ITEM_Float;
jaroslav@810	2219	break;
jaroslav@810	2220	case 'D':
jaroslav@810	2221	argType = ITEM_Double;
jaroslav@810	2222	break;
jaroslav@810	2223	case 'L': {
jaroslav@810	2224	i = methodSignature.indexOf(';', i + 1);
jaroslav@810	2225	if (i == -1) {
jaroslav@810	2226	throw new IllegalArgumentException(
jaroslav@810	2227	"Invalid method signature");
jaroslav@810	2228	}
jaroslav@810	2229	argType = ITEM_Object;
jaroslav@810	2230	break;
jaroslav@810	2231	}
jaroslav@810	2232	case ')':
jaroslav@810	2233	// not interested in the return value type
jaroslav@810	2234	return argTypes;
jaroslav@810	2235	case '[':
jaroslav@810	2236	if (!skipType) {
jaroslav@810	2237	argTypes.add(ITEM_Object);
jaroslav@810	2238	skipType = true;
jaroslav@810	2239	}
jaroslav@810	2240	continue;
jaroslav@810	2241
jaroslav@810	2242	default:
jaroslav@810	2243	throw new IllegalArgumentException(
jaroslav@810	2244	"Invalid method signature");
jaroslav@810	2245	}
jaroslav@810	2246
jaroslav@810	2247	if (!skipType) {
jaroslav@810	2248	argTypes.add(argType);
jaroslav@810	2249	} else {
jaroslav@810	2250	skipType = false;
jaroslav@810	2251	}
jaroslav@810	2252	}
jaroslav@810	2253
jaroslav@810	2254	return argTypes;
jaroslav@810	2255	}
jaroslav@810	2256	}
jaroslav@810	2257	/* represents one entry of StackMapTable attribute
jaroslav@810	2258	*/
jaroslav@810	2259
jaroslav@810	2260	private static abstract class StackMapTableData {
jaroslav@810	2261
jaroslav@810	2262	final int frameType;
jaroslav@810	2263	int offsetDelta;
jaroslav@810	2264
jaroslav@810	2265	StackMapTableData(int frameType) {
jaroslav@810	2266	this.frameType = frameType;
jaroslav@810	2267	}
jaroslav@810	2268
jaroslav@810	2269	abstract void applyTo(TypeArray localTypes, TypeArray stackTypes);
jaroslav@810	2270
jaroslav@810	2271	protected static String toString(
jaroslav@810	2272	final String frameType,
jaroslav@810	2273	final int offset,
jaroslav@810	2274	final int[] localTypes,
jaroslav@810	2275	final int[] stackTypes) {
jaroslav@810	2276	final StringBuilder sb = new StringBuilder(frameType);
jaroslav@810	2277
jaroslav@810	2278	sb.append("(off: +").append(offset);
jaroslav@810	2279	if (localTypes != null) {
jaroslav@810	2280	sb.append(", locals: ");
jaroslav@810	2281	appendTypes(sb, localTypes);
jaroslav@810	2282	}
jaroslav@810	2283	if (stackTypes != null) {
jaroslav@810	2284	sb.append(", stack: ");
jaroslav@810	2285	appendTypes(sb, stackTypes);
jaroslav@810	2286	}
jaroslav@810	2287	sb.append(')');
jaroslav@810	2288
jaroslav@810	2289	return sb.toString();
jaroslav@810	2290	}
jaroslav@810	2291
jaroslav@810	2292	private static void appendTypes(final StringBuilder sb, final int[] types) {
jaroslav@810	2293	sb.append('[');
jaroslav@810	2294	if (types.length > 0) {
jaroslav@810	2295	sb.append(TypeArray.typeString(types[0]));
jaroslav@810	2296	for (int i = 1; i < types.length; ++i) {
jaroslav@810	2297	sb.append(", ");
jaroslav@810	2298	sb.append(TypeArray.typeString(types[i]));
jaroslav@810	2299	}
jaroslav@810	2300	}
jaroslav@810	2301	sb.append(']');
jaroslav@810	2302	}
jaroslav@810	2303
jaroslav@810	2304	private static class SameFrame extends StackMapTableData {
jaroslav@810	2305
jaroslav@810	2306	SameFrame(int frameType, int offsetDelta) {
jaroslav@810	2307	super(frameType);
jaroslav@810	2308	this.offsetDelta = offsetDelta;
jaroslav@810	2309	}
jaroslav@810	2310
jaroslav@810	2311	@Override
jaroslav@810	2312	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2313	stackTypes.clear();
jaroslav@810	2314	}
jaroslav@810	2315
jaroslav@810	2316	@Override
jaroslav@810	2317	public String toString() {
jaroslav@810	2318	return toString("SAME" + ((frameType == SAME_FRAME_EXTENDED)
jaroslav@810	2319	? "_FRAME_EXTENDED" : ""),
jaroslav@810	2320	offsetDelta,
jaroslav@810	2321	null, null);
jaroslav@810	2322	}
jaroslav@810	2323	}
jaroslav@810	2324
jaroslav@810	2325	private static class SameLocals1StackItem extends StackMapTableData {
jaroslav@810	2326
jaroslav@810	2327	final int[] stack;
jaroslav@810	2328
jaroslav@810	2329	SameLocals1StackItem(int frameType, int offsetDelta, int[] stack) {
jaroslav@810	2330	super(frameType);
jaroslav@810	2331	this.offsetDelta = offsetDelta;
jaroslav@810	2332	this.stack = stack;
jaroslav@810	2333	}
jaroslav@810	2334
jaroslav@810	2335	@Override
jaroslav@810	2336	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2337	stackTypes.setAll(stack);
jaroslav@810	2338	}
jaroslav@810	2339
jaroslav@810	2340	@Override
jaroslav@810	2341	public String toString() {
jaroslav@810	2342	return toString(
jaroslav@810	2343	"SAME_LOCALS_1_STACK_ITEM"
jaroslav@810	2344	+ ((frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED)
jaroslav@810	2345	? "_EXTENDED" : ""),
jaroslav@810	2346	offsetDelta,
jaroslav@810	2347	null, stack);
jaroslav@810	2348	}
jaroslav@810	2349	}
jaroslav@810	2350
jaroslav@810	2351	private static class ChopFrame extends StackMapTableData {
jaroslav@810	2352
jaroslav@810	2353	ChopFrame(int frameType, int offsetDelta) {
jaroslav@810	2354	super(frameType);
jaroslav@810	2355	this.offsetDelta = offsetDelta;
jaroslav@810	2356	}
jaroslav@810	2357
jaroslav@810	2358	@Override
jaroslav@810	2359	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2360	localTypes.setSize(localTypes.getSize()
jaroslav@810	2361	- (SAME_FRAME_EXTENDED - frameType));
jaroslav@810	2362	stackTypes.clear();
jaroslav@810	2363	}
jaroslav@810	2364
jaroslav@810	2365	@Override
jaroslav@810	2366	public String toString() {
jaroslav@810	2367	return toString("CHOP", offsetDelta, null, null);
jaroslav@810	2368	}
jaroslav@810	2369	}
jaroslav@810	2370
jaroslav@810	2371	private static class AppendFrame extends StackMapTableData {
jaroslav@810	2372
jaroslav@810	2373	final int[] locals;
jaroslav@810	2374
jaroslav@810	2375	AppendFrame(int frameType, int offsetDelta, int[] locals) {
jaroslav@810	2376	super(frameType);
jaroslav@810	2377	this.offsetDelta = offsetDelta;
jaroslav@810	2378	this.locals = locals;
jaroslav@810	2379	}
jaroslav@810	2380
jaroslav@810	2381	@Override
jaroslav@810	2382	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2383	localTypes.addAll(locals);
jaroslav@810	2384	stackTypes.clear();
jaroslav@810	2385	}
jaroslav@810	2386
jaroslav@810	2387	@Override
jaroslav@810	2388	public String toString() {
jaroslav@810	2389	return toString("APPEND", offsetDelta, locals, null);
jaroslav@810	2390	}
jaroslav@810	2391	}
jaroslav@810	2392
jaroslav@810	2393	private static class FullFrame extends StackMapTableData {
jaroslav@810	2394
jaroslav@810	2395	final int[] locals;
jaroslav@810	2396	final int[] stack;
jaroslav@810	2397
jaroslav@810	2398	FullFrame(int offsetDelta, int[] locals, int[] stack) {
jaroslav@810	2399	super(FULL_FRAME);
jaroslav@810	2400	this.offsetDelta = offsetDelta;
jaroslav@810	2401	this.locals = locals;
jaroslav@810	2402	this.stack = stack;
jaroslav@810	2403	}
jaroslav@810	2404
jaroslav@810	2405	@Override
jaroslav@810	2406	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2407	localTypes.setAll(locals);
jaroslav@810	2408	stackTypes.setAll(stack);
jaroslav@810	2409	}
jaroslav@810	2410
jaroslav@810	2411	@Override
jaroslav@810	2412	public String toString() {
jaroslav@810	2413	return toString("FULL", offsetDelta, locals, stack);
jaroslav@810	2414	}
jaroslav@810	2415	}
jaroslav@810	2416
jaroslav@810	2417	static StackMapTableData getInstance(DataInputStream in, MethodData method)
jaroslav@810	2418	throws IOException {
jaroslav@810	2419	int frameType = in.readUnsignedByte();
jaroslav@810	2420
jaroslav@810	2421	if (frameType < SAME_FRAME_BOUND) {
jaroslav@810	2422	// same_frame
jaroslav@810	2423	return new SameFrame(frameType, frameType);
jaroslav@810	2424	} else if (SAME_FRAME_BOUND <= frameType && frameType < SAME_LOCALS_1_STACK_ITEM_BOUND) {
jaroslav@810	2425	// same_locals_1_stack_item_frame
jaroslav@810	2426	// read additional single stack element
jaroslav@810	2427	return new SameLocals1StackItem(frameType,
jaroslav@810	2428	(frameType - SAME_FRAME_BOUND),
jaroslav@810	2429	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2430	} else if (frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED) {
jaroslav@810	2431	// same_locals_1_stack_item_extended
jaroslav@810	2432	return new SameLocals1StackItem(frameType,
jaroslav@810	2433	in.readUnsignedShort(),
jaroslav@810	2434	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2435	} else if (SAME_LOCALS_1_STACK_ITEM_EXTENDED < frameType && frameType < SAME_FRAME_EXTENDED) {
jaroslav@810	2436	// chop_frame or same_frame_extended
jaroslav@810	2437	return new ChopFrame(frameType, in.readUnsignedShort());
jaroslav@810	2438	} else if (frameType == SAME_FRAME_EXTENDED) {
jaroslav@810	2439	// chop_frame or same_frame_extended
jaroslav@810	2440	return new SameFrame(frameType, in.readUnsignedShort());
jaroslav@810	2441	} else if (SAME_FRAME_EXTENDED < frameType && frameType < FULL_FRAME) {
jaroslav@810	2442	// append_frame
jaroslav@810	2443	return new AppendFrame(frameType, in.readUnsignedShort(),
jaroslav@810	2444	StackMapData.readTypeArray(in, frameType - SAME_FRAME_EXTENDED, method));
jaroslav@810	2445	} else if (frameType == FULL_FRAME) {
jaroslav@810	2446	// full_frame
jaroslav@810	2447	int offsetDelta = in.readUnsignedShort();
jaroslav@810	2448	int locals_size = in.readUnsignedShort();
jaroslav@810	2449	int[] locals = StackMapData.readTypeArray(in, locals_size, method);
jaroslav@810	2450	int stack_size = in.readUnsignedShort();
jaroslav@810	2451	int[] stack = StackMapData.readTypeArray(in, stack_size, method);
jaroslav@810	2452	return new FullFrame(offsetDelta, locals, stack);
jaroslav@810	2453	} else {
jaroslav@810	2454	throw new ClassFormatError("unrecognized frame_type in StackMapTable");
jaroslav@810	2455	}
jaroslav@810	2456	}
jaroslav@810	2457	}
jaroslav@810	2458
jaroslav@810	2459	/**
jaroslav@810	2460	* Stores exception table data in code attribute.
jaroslav@810	2461	*
jaroslav@810	2462	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2463	*/
jaroslav@810	2464	static final class TrapData {
jaroslav@810	2465
jaroslav@810	2466	public final short start_pc;
jaroslav@810	2467	public final short end_pc;
jaroslav@810	2468	public final short handler_pc;
jaroslav@810	2469	public final short catch_cpx;
jaroslav@810	2470	final int num;
jaroslav@810	2471
jaroslav@810	2472	/**
jaroslav@810	2473	* Read and store exception table data in code attribute.
jaroslav@810	2474	*/
jaroslav@810	2475	TrapData(DataInputStream in, int num) throws IOException {
jaroslav@810	2476	this.num = num;
jaroslav@810	2477	start_pc = in.readShort();
jaroslav@810	2478	end_pc = in.readShort();
jaroslav@810	2479	handler_pc = in.readShort();
jaroslav@810	2480	catch_cpx = in.readShort();
jaroslav@810	2481	}
jaroslav@810	2482
jaroslav@810	2483	/**
jaroslav@810	2484	* returns recommended identifier
jaroslav@810	2485	*/
jaroslav@810	2486	public String ident() {
jaroslav@810	2487	return "t" + num;
jaroslav@810	2488	}
jaroslav@810	2489	}
jaroslav@810	2490	/**
jaroslav@810	2491	*
jaroslav@810	2492	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2493	*/
jaroslav@810	2494	static final class TrapDataIterator {
jaroslav@810	2495
jaroslav@810	2496	private final Hashtable exStart = new Hashtable();
jaroslav@810	2497	private final Hashtable exStop = new Hashtable();
jaroslav@810	2498	private TrapData[] current = new TrapData[10];
jaroslav@810	2499	private int currentCount;
jaroslav@810	2500
jaroslav@810	2501	TrapDataIterator(Vector exceptionTable) {
jaroslav@810	2502	for (int i = 0; i < exceptionTable.size(); i++) {
jaroslav@810	2503	final TrapData td = (TrapData) exceptionTable.elementAt(i);
jaroslav@810	2504	put(exStart, td.start_pc, td);
jaroslav@810	2505	put(exStop, td.end_pc, td);
jaroslav@810	2506	}
jaroslav@810	2507	}
jaroslav@810	2508
jaroslav@810	2509	private static void put(Hashtable h, short key, TrapData td) {
jaroslav@810	2510	Short s = Short.valueOf((short) key);
jaroslav@810	2511	Vector v = (Vector) h.get(s);
jaroslav@810	2512	if (v == null) {
jaroslav@810	2513	v = new Vector(1);
jaroslav@810	2514	h.put(s, v);
jaroslav@810	2515	}
jaroslav@810	2516	v.add(td);
jaroslav@810	2517	}
jaroslav@810	2518
jaroslav@810	2519	private boolean processAll(Hashtable h, Short key, boolean add) {
jaroslav@810	2520	boolean change = false;
jaroslav@810	2521	Vector v = (Vector) h.get(key);
jaroslav@810	2522	if (v != null) {
jaroslav@810	2523	int s = v.size();
jaroslav@810	2524	for (int i = 0; i < s; i++) {
jaroslav@810	2525	TrapData td = (TrapData) v.elementAt(i);
jaroslav@810	2526	if (add) {
jaroslav@810	2527	add(td);
jaroslav@810	2528	change = true;
jaroslav@810	2529	} else {
jaroslav@810	2530	remove(td);
jaroslav@810	2531	change = true;
jaroslav@810	2532	}
jaroslav@810	2533	}
jaroslav@810	2534	}
jaroslav@810	2535	return change;
jaroslav@810	2536	}
jaroslav@810	2537
jaroslav@810	2538	public boolean advanceTo(int i) {
jaroslav@810	2539	Short s = Short.valueOf((short) i);
jaroslav@810	2540	boolean ch1 = processAll(exStart, s, true);
jaroslav@810	2541	boolean ch2 = processAll(exStop, s, false);
jaroslav@810	2542	return ch1 \|\| ch2;
jaroslav@810	2543	}
jaroslav@810	2544
jaroslav@810	2545	public boolean useTry() {
jaroslav@810	2546	return currentCount > 0;
jaroslav@810	2547	}
jaroslav@810	2548
jaroslav@810	2549	public TrapData[] current() {
jaroslav@810	2550	TrapData[] copy = new TrapData[currentCount];
jaroslav@810	2551	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2552	copy[i] = current[i];
jaroslav@810	2553	}
jaroslav@810	2554	return copy;
jaroslav@810	2555	}
jaroslav@810	2556
jaroslav@810	2557	private void add(TrapData e) {
jaroslav@810	2558	if (currentCount == current.length) {
jaroslav@810	2559	TrapData[] data = new TrapData[currentCount * 2];
jaroslav@810	2560	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2561	data[i] = current[i];
jaroslav@810	2562	}
jaroslav@810	2563	current = data;
jaroslav@810	2564	}
jaroslav@810	2565	current[currentCount++] = e;
jaroslav@810	2566	}
jaroslav@810	2567
jaroslav@810	2568	private void remove(TrapData e) {
jaroslav@810	2569	if (currentCount == 0) {
jaroslav@810	2570	return;
jaroslav@810	2571	}
jaroslav@810	2572	int from = 0;
jaroslav@810	2573	while (from < currentCount) {
jaroslav@810	2574	if (e == current[from++]) {
jaroslav@810	2575	break;
jaroslav@810	2576	}
jaroslav@810	2577	}
jaroslav@810	2578	while (from < currentCount) {
jaroslav@810	2579	current[from - 1] = current[from];
jaroslav@810	2580	current[from] = null;
jaroslav@810	2581	from++;
jaroslav@810	2582	}
jaroslav@810	2583	currentCount--;
jaroslav@810	2584	}
jaroslav@810	2585	}
jaroslav@810	2586	static final class TypeArray {
jaroslav@810	2587
jaroslav@810	2588	private static final int CAPACITY_INCREMENT = 16;
jaroslav@810	2589	private int[] types;
jaroslav@810	2590	private int size;
jaroslav@810	2591
jaroslav@810	2592	public TypeArray() {
jaroslav@810	2593	}
jaroslav@810	2594
jaroslav@810	2595	public TypeArray(final TypeArray initialTypes) {
jaroslav@810	2596	setAll(initialTypes);
jaroslav@810	2597	}
jaroslav@810	2598
jaroslav@810	2599	public void add(final int newType) {
jaroslav@810	2600	ensureCapacity(size + 1);
jaroslav@810	2601	types[size++] = newType;
jaroslav@810	2602	}
jaroslav@810	2603
jaroslav@810	2604	public void addAll(final TypeArray newTypes) {
jaroslav@810	2605	addAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2606	}
jaroslav@810	2607
jaroslav@810	2608	public void addAll(final int[] newTypes) {
jaroslav@810	2609	addAll(newTypes, 0, newTypes.length);
jaroslav@810	2610	}
jaroslav@810	2611
jaroslav@810	2612	public void addAll(final int[] newTypes,
jaroslav@810	2613	final int offset,
jaroslav@810	2614	final int count) {
jaroslav@810	2615	if (count > 0) {
jaroslav@810	2616	ensureCapacity(size + count);
jaroslav@810	2617	arraycopy(newTypes, offset, types, size, count);
jaroslav@810	2618	size += count;
jaroslav@810	2619	}
jaroslav@810	2620	}
jaroslav@810	2621
jaroslav@810	2622	public void set(final int index, final int newType) {
jaroslav@810	2623	types[index] = newType;
jaroslav@810	2624	}
jaroslav@810	2625
jaroslav@810	2626	public void setAll(final TypeArray newTypes) {
jaroslav@810	2627	setAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2628	}
jaroslav@810	2629
jaroslav@810	2630	public void setAll(final int[] newTypes) {
jaroslav@810	2631	setAll(newTypes, 0, newTypes.length);
jaroslav@810	2632	}
jaroslav@810	2633
jaroslav@810	2634	public void setAll(final int[] newTypes,
jaroslav@810	2635	final int offset,
jaroslav@810	2636	final int count) {
jaroslav@810	2637	if (count > 0) {
jaroslav@810	2638	ensureCapacity(count);
jaroslav@810	2639	arraycopy(newTypes, offset, types, 0, count);
jaroslav@810	2640	size = count;
jaroslav@810	2641	} else {
jaroslav@810	2642	clear();
jaroslav@810	2643	}
jaroslav@810	2644	}
jaroslav@810	2645
jaroslav@810	2646	public void setSize(final int newSize) {
jaroslav@810	2647	if (size != newSize) {
jaroslav@810	2648	ensureCapacity(newSize);
jaroslav@810	2649
jaroslav@810	2650	for (int i = size; i < newSize; ++i) {
jaroslav@810	2651	types[i] = 0;
jaroslav@810	2652	}
jaroslav@810	2653	size = newSize;
jaroslav@810	2654	}
jaroslav@810	2655	}
jaroslav@810	2656
jaroslav@810	2657	public void clear() {
jaroslav@810	2658	size = 0;
jaroslav@810	2659	}
jaroslav@810	2660
jaroslav@810	2661	public int getSize() {
jaroslav@810	2662	return size;
jaroslav@810	2663	}
jaroslav@810	2664
jaroslav@810	2665	public int get(final int index) {
jaroslav@810	2666	return types[index];
jaroslav@810	2667	}
jaroslav@810	2668
jaroslav@810	2669	public static String typeString(final int type) {
jaroslav@810	2670	switch (type & 0xff) {
jaroslav@810	2671	case ITEM_Bogus:
jaroslav@810	2672	return "_top_";
jaroslav@810	2673	case ITEM_Integer:
jaroslav@810	2674	return "_int_";
jaroslav@810	2675	case ITEM_Float:
jaroslav@810	2676	return "_float_";
jaroslav@810	2677	case ITEM_Double:
jaroslav@810	2678	return "_double_";
jaroslav@810	2679	case ITEM_Long:
jaroslav@810	2680	return "_long_";
jaroslav@810	2681	case ITEM_Null:
jaroslav@810	2682	return "_null_";
jaroslav@810	2683	case ITEM_InitObject: // UninitializedThis
jaroslav@810	2684	return "_init_";
jaroslav@810	2685	case ITEM_Object:
jaroslav@810	2686	return "_object_";
jaroslav@810	2687	case ITEM_NewObject: // Uninitialized
jaroslav@810	2688	return "_new_";
jaroslav@810	2689	default:
jaroslav@810	2690	throw new IllegalArgumentException("Unknown type");
jaroslav@810	2691	}
jaroslav@810	2692	}
jaroslav@810	2693
jaroslav@810	2694	@Override
jaroslav@810	2695	public String toString() {
jaroslav@810	2696	final StringBuilder sb = new StringBuilder("[");
jaroslav@1793	2697	String sep = "";
jaroslav@1793	2698	for (int i = 0; i < size; ++i) {
jaroslav@1793	2699	sb.append(sep).append(VarType.toString(types[i] & 0xff));
jaroslav@1793	2700	sep = ", ";
jaroslav@810	2701	}
jaroslav@810	2702	return sb.append(']').toString();
jaroslav@810	2703	}
jaroslav@810	2704
jaroslav@810	2705	private void ensureCapacity(final int minCapacity) {
jaroslav@810	2706	if ((minCapacity == 0)
jaroslav@810	2707	\|\| (types != null) && (minCapacity <= types.length)) {
jaroslav@810	2708	return;
jaroslav@810	2709	}
jaroslav@810	2710
jaroslav@810	2711	final int newCapacity =
jaroslav@810	2712	((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
jaroslav@810	2713	* CAPACITY_INCREMENT;
jaroslav@810	2714	final int[] newTypes = new int[newCapacity];
jaroslav@810	2715
jaroslav@810	2716	if (size > 0) {
jaroslav@810	2717	arraycopy(types, 0, newTypes, 0, size);
jaroslav@810	2718	}
jaroslav@810	2719
jaroslav@810	2720	types = newTypes;
jaroslav@810	2721	}
jaroslav@810	2722
jaroslav@810	2723	// no System.arraycopy
jaroslav@810	2724	private void arraycopy(final int[] src, final int srcPos,
jaroslav@810	2725	final int[] dest, final int destPos,
jaroslav@810	2726	final int length) {
jaroslav@810	2727	for (int i = 0; i < length; ++i) {
jaroslav@810	2728	dest[destPos + i] = src[srcPos + i];
jaroslav@810	2729	}
jaroslav@810	2730	}
jaroslav@810	2731	}
jaroslav@810	2732	/**
jaroslav@810	2733	* A JavaScript ready replacement for java.util.Vector
jaroslav@810	2734	*
jaroslav@810	2735	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2736	*/
jaroslav@810	2737	@JavaScriptPrototype(prototype = "new Array")
jaroslav@810	2738	private static final class Vector {
jaroslav@810	2739
jaroslav@810	2740	private Object[] arr;
jaroslav@810	2741
jaroslav@810	2742	Vector() {
jaroslav@810	2743	}
jaroslav@810	2744
jaroslav@810	2745	Vector(int i) {
jaroslav@810	2746	}
jaroslav@810	2747
jaroslav@810	2748	void add(Object objectType) {
jaroslav@810	2749	addElement(objectType);
jaroslav@810	2750	}
jaroslav@810	2751
jaroslav@810	2752	@JavaScriptBody(args = {"obj"}, body =
jaroslav@810	2753	"this.push(obj);")
jaroslav@810	2754	void addElement(Object obj) {
jaroslav@810	2755	final int s = size();
jaroslav@810	2756	setSize(s + 1);
jaroslav@810	2757	setElementAt(obj, s);
jaroslav@810	2758	}
jaroslav@810	2759
jaroslav@810	2760	@JavaScriptBody(args = {}, body =
jaroslav@810	2761	"return this.length;")
jaroslav@810	2762	int size() {
jaroslav@810	2763	return arr == null ? 0 : arr.length;
jaroslav@810	2764	}
jaroslav@810	2765
jaroslav@810	2766	@JavaScriptBody(args = {"newArr"}, body =
jaroslav@810	2767	"for (var i = 0; i < this.length; i++) {\n"
jaroslav@810	2768	+ " newArr[i] = this[i];\n"
jaroslav@810	2769	+ "}\n")
jaroslav@810	2770	void copyInto(Object[] newArr) {
jaroslav@810	2771	if (arr == null) {
jaroslav@810	2772	return;
jaroslav@810	2773	}
jaroslav@810	2774	int min = Math.min(newArr.length, arr.length);
jaroslav@810	2775	for (int i = 0; i < min; i++) {
jaroslav@810	2776	newArr[i] = arr[i];
jaroslav@810	2777	}
jaroslav@810	2778	}
jaroslav@810	2779
jaroslav@810	2780	@JavaScriptBody(args = {"index"}, body =
jaroslav@810	2781	"return this[index];")
jaroslav@810	2782	Object elementAt(int index) {
jaroslav@810	2783	return arr[index];
jaroslav@810	2784	}
jaroslav@810	2785
jaroslav@810	2786	private void setSize(int len) {
jaroslav@810	2787	Object[] newArr = new Object[len];
jaroslav@810	2788	copyInto(newArr);
jaroslav@810	2789	arr = newArr;
jaroslav@810	2790	}
jaroslav@810	2791
jaroslav@810	2792	@JavaScriptBody(args = {"val", "index"}, body =
jaroslav@810	2793	"this[index] = val;")
jaroslav@810	2794	void setElementAt(Object val, int index) {
jaroslav@810	2795	arr[index] = val;
jaroslav@810	2796	}
jaroslav@810	2797	}
jaroslav@810	2798
jaroslav@810	2799	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Sun, 20 Mar 2016 08:12:55 +0100
changeset 1898	cf6d5d357696
parent 1889	e1953d8b8338
permissions	-rw-r--r--