hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java@c178e0bdce5d (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@1640	31	import java.util.Arrays;
jaroslav@810	32	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@810	33	import org.apidesign.bck2brwsr.core.JavaScriptPrototype;
jaroslav@810	34
jaroslav@810	35	/** This is a byte code parser heavily based on original code of JavaP utility.
jaroslav@810	36	* As such I decided to keep the original Oracle's GPLv2 header.
jaroslav@810	37	*
jaroslav@810	38	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	39	*/
jaroslav@810	40	final class ByteCodeParser {
jaroslav@810	41	private ByteCodeParser() {
jaroslav@810	42	}
jaroslav@810	43
jaroslav@810	44	/* Class File Constants */
jaroslav@810	45	public static final int JAVA_MAGIC = 0xcafebabe;
jaroslav@810	46	public static final int JAVA_VERSION = 45;
jaroslav@810	47	public static final int JAVA_MINOR_VERSION = 3;
jaroslav@810	48
jaroslav@810	49	/* Constant table */
jaroslav@810	50	public static final int CONSTANT_UTF8 = 1;
jaroslav@810	51	public static final int CONSTANT_UNICODE = 2;
jaroslav@810	52	public static final int CONSTANT_INTEGER = 3;
jaroslav@810	53	public static final int CONSTANT_FLOAT = 4;
jaroslav@810	54	public static final int CONSTANT_LONG = 5;
jaroslav@810	55	public static final int CONSTANT_DOUBLE = 6;
jaroslav@810	56	public static final int CONSTANT_CLASS = 7;
jaroslav@810	57	public static final int CONSTANT_STRING = 8;
jaroslav@810	58	public static final int CONSTANT_FIELD = 9;
jaroslav@810	59	public static final int CONSTANT_METHOD = 10;
jaroslav@810	60	public static final int CONSTANT_INTERFACEMETHOD = 11;
jaroslav@810	61	public static final int CONSTANT_NAMEANDTYPE = 12;
jaroslav@1639	62	public static final int CONSTANT_METHODHANDLE = 15;
jaroslav@1639	63	public static final int CONSTANT_METHODTYPE = 16;
jaroslav@1639	64	public static final int CONSTANT_INVOKEDYNAMIC = 18;
jaroslav@810	65
jaroslav@810	66	/* Access Flags */
jaroslav@810	67	public static final int ACC_PUBLIC = 0x00000001;
jaroslav@810	68	public static final int ACC_PRIVATE = 0x00000002;
jaroslav@810	69	public static final int ACC_PROTECTED = 0x00000004;
jaroslav@810	70	public static final int ACC_STATIC = 0x00000008;
jaroslav@810	71	public static final int ACC_FINAL = 0x00000010;
jaroslav@810	72	public static final int ACC_SYNCHRONIZED = 0x00000020;
jaroslav@810	73	public static final int ACC_SUPER = 0x00000020;
jaroslav@810	74	public static final int ACC_VOLATILE = 0x00000040;
jaroslav@810	75	public static final int ACC_TRANSIENT = 0x00000080;
jaroslav@810	76	public static final int ACC_NATIVE = 0x00000100;
jaroslav@810	77	public static final int ACC_INTERFACE = 0x00000200;
jaroslav@810	78	public static final int ACC_ABSTRACT = 0x00000400;
jaroslav@810	79	public static final int ACC_STRICT = 0x00000800;
jaroslav@810	80	public static final int ACC_EXPLICIT = 0x00001000;
jaroslav@810	81	public static final int ACC_SYNTHETIC = 0x00010000; // actually, this is an attribute
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@810	360	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	361	}
jaroslav@810	362
jaroslav@810	363	protected void visitEnumAttr(
jaroslav@810	364	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	365	visitAttr(annoType, attr, attrType, value);
jaroslav@810	366	}
jaroslav@810	367
jaroslav@810	368	/**
jaroslav@810	369	* Initialize the parsing with constant pool from
jaroslav@810	370	* <code>cd</code>.
jaroslav@810	371	*
jaroslav@810	372	* @param attr the attribute defining annotations
jaroslav@810	373	* @param cd constant pool
jaroslav@810	374	* @throws IOException in case I/O fails
jaroslav@810	375	*/
jaroslav@810	376	public final void parse(byte[] attr, ClassData cd) throws IOException {
jaroslav@810	377	ByteArrayInputStream is = new ByteArrayInputStream(attr);
jaroslav@810	378	DataInputStream dis = new DataInputStream(is);
jaroslav@810	379	try {
jaroslav@810	380	read(dis, cd);
jaroslav@810	381	} finally {
jaroslav@810	382	is.close();
jaroslav@810	383	}
jaroslav@810	384	}
jaroslav@810	385
jaroslav@810	386	private void read(DataInputStream dis, ClassData cd) throws IOException {
jaroslav@810	387	int cnt = dis.readUnsignedShort();
jaroslav@810	388	for (int i = 0; i < cnt; i++) {
jaroslav@810	389	readAnno(dis, cd, true);
jaroslav@810	390	}
jaroslav@810	391	}
jaroslav@810	392
jaroslav@810	393	private void readAnno(DataInputStream dis, ClassData cd, boolean top) throws IOException {
jaroslav@810	394	int type = dis.readUnsignedShort();
jaroslav@810	395	String typeName = cd.StringValue(type);
jaroslav@810	396	visitAnnotationStart(typeName, top);
jaroslav@810	397	int cnt = dis.readUnsignedShort();
jaroslav@810	398	for (int i = 0; i < cnt; i++) {
jaroslav@810	399	String attrName = cd.StringValue(dis.readUnsignedShort());
jaroslav@810	400	readValue(dis, cd, typeName, attrName);
jaroslav@810	401	}
jaroslav@810	402	visitAnnotationEnd(typeName, top);
jaroslav@810	403	if (cnt == 0) {
jaroslav@810	404	visitAttr(typeName, null, null, null);
jaroslav@810	405	}
jaroslav@810	406	}
jaroslav@810	407
jaroslav@810	408	private void readValue(
jaroslav@810	409	DataInputStream dis, ClassData cd, String typeName, String attrName) throws IOException {
jaroslav@810	410	char type = (char) dis.readByte();
jaroslav@810	411	visitValueStart(attrName, type);
jaroslav@810	412	if (type == '@') {
jaroslav@810	413	readAnno(dis, cd, false);
jaroslav@810	414	} else if ("CFJZsSIDB".indexOf(type) >= 0) { // NOI18N
jaroslav@810	415	int primitive = dis.readUnsignedShort();
jaroslav@810	416	String val = cd.stringValue(primitive, textual);
jaroslav@810	417	String attrType;
jaroslav@810	418	if (type == 's') {
jaroslav@810	419	attrType = "Ljava_lang_String_2";
jaroslav@810	420	if (textual) {
jaroslav@810	421	val = '"' + val + '"';
jaroslav@810	422	}
jaroslav@810	423	} else {
jaroslav@810	424	attrType = "" + type;
jaroslav@810	425	}
jaroslav@810	426	visitAttr(typeName, attrName, attrType, val);
jaroslav@810	427	} else if (type == 'c') {
jaroslav@810	428	int cls = dis.readUnsignedShort();
jaroslav@810	429	} else if (type == '[') {
jaroslav@810	430	int cnt = dis.readUnsignedShort();
jaroslav@810	431	for (int i = 0; i < cnt; i++) {
jaroslav@810	432	readValue(dis, cd, typeName, iterateArray ? attrName : null);
jaroslav@810	433	}
jaroslav@810	434	} else if (type == 'e') {
jaroslav@810	435	int enumT = dis.readUnsignedShort();
jaroslav@810	436	String attrType = cd.stringValue(enumT, textual);
jaroslav@810	437	int enumN = dis.readUnsignedShort();
jaroslav@810	438	String val = cd.stringValue(enumN, textual);
jaroslav@810	439	visitEnumAttr(typeName, attrName, attrType, val);
jaroslav@810	440	} else {
jaroslav@810	441	throw new IOException("Unknown type " + type);
jaroslav@810	442	}
jaroslav@810	443	visitValueEnd(attrName, type);
jaroslav@810	444	}
jaroslav@810	445	}
jaroslav@810	446
jaroslav@810	447	/**
jaroslav@810	448	* Reads and stores attribute information.
jaroslav@810	449	*
jaroslav@810	450	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	451	*/
jaroslav@810	452	private static class AttrData {
jaroslav@810	453
jaroslav@810	454	ClassData cls;
jaroslav@810	455	int name_cpx;
jaroslav@810	456	int datalen;
jaroslav@810	457	byte data[];
jaroslav@810	458
jaroslav@810	459	public AttrData(ClassData cls) {
jaroslav@810	460	this.cls = cls;
jaroslav@810	461	}
jaroslav@810	462
jaroslav@810	463	/**
jaroslav@810	464	* Reads unknown attribute.
jaroslav@810	465	*/
jaroslav@810	466	public void read(int name_cpx, DataInputStream in) throws IOException {
jaroslav@810	467	this.name_cpx = name_cpx;
jaroslav@810	468	datalen = in.readInt();
jaroslav@810	469	data = new byte[datalen];
jaroslav@810	470	in.readFully(data);
jaroslav@810	471	}
jaroslav@810	472
jaroslav@810	473	/**
jaroslav@810	474	* Reads just the name of known attribute.
jaroslav@810	475	*/
jaroslav@810	476	public void read(int name_cpx) {
jaroslav@810	477	this.name_cpx = name_cpx;
jaroslav@810	478	}
jaroslav@810	479
jaroslav@810	480	/**
jaroslav@810	481	* Returns attribute name.
jaroslav@810	482	*/
jaroslav@810	483	public String getAttrName() {
jaroslav@810	484	return cls.getString(name_cpx);
jaroslav@810	485	}
jaroslav@810	486
jaroslav@810	487	/**
jaroslav@810	488	* Returns attribute data.
jaroslav@810	489	*/
jaroslav@810	490	public byte[] getData() {
jaroslav@810	491	return data;
jaroslav@810	492	}
jaroslav@810	493	}
jaroslav@810	494
jaroslav@810	495	/**
jaroslav@810	496	* Stores constant pool entry information with one field.
jaroslav@810	497	*
jaroslav@810	498	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	499	*/
jaroslav@810	500	private static class CPX {
jaroslav@810	501
jaroslav@1642	502	final int cpx;
jaroslav@810	503
jaroslav@810	504	CPX(int cpx) {
jaroslav@810	505	this.cpx = cpx;
jaroslav@810	506	}
jaroslav@810	507	}
jaroslav@810	508
jaroslav@810	509	/**
jaroslav@810	510	* Stores constant pool entry information with two fields.
jaroslav@810	511	*
jaroslav@810	512	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	513	*/
jaroslav@1642	514	static class CPX2 {
jaroslav@810	515
jaroslav@1642	516	final int cpx1, cpx2;
jaroslav@810	517
jaroslav@810	518	CPX2(int cpx1, int cpx2) {
jaroslav@810	519	this.cpx1 = cpx1;
jaroslav@810	520	this.cpx2 = cpx2;
jaroslav@810	521	}
jaroslav@810	522	}
jaroslav@810	523
jaroslav@810	524	/**
jaroslav@810	525	* Central data repository of the Java Disassembler. Stores all the
jaroslav@810	526	* information in java class file.
jaroslav@810	527	*
jaroslav@810	528	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	529	*/
jaroslav@810	530	static final class ClassData {
jaroslav@810	531
jaroslav@810	532	private int magic;
jaroslav@810	533	private int minor_version;
jaroslav@810	534	private int major_version;
jaroslav@810	535	private int cpool_count;
jaroslav@810	536	private Object cpool[];
jaroslav@810	537	private int access;
jaroslav@810	538	private int this_class = 0;
jaroslav@810	539	private int super_class;
jaroslav@810	540	private int interfaces_count;
jaroslav@810	541	private int[] interfaces = new int[0];
jaroslav@810	542	private FieldData[] fields;
jaroslav@810	543	private MethodData[] methods;
jaroslav@810	544	private InnerClassData[] innerClasses;
jaroslav@1642	545	private BootMethodData[] bootMethods;
jaroslav@810	546	private int attributes_count;
jaroslav@810	547	private AttrData[] attrs;
jaroslav@810	548	private int source_cpx = 0;
jaroslav@810	549	private byte tags[];
jaroslav@810	550	private Hashtable indexHashAscii = new Hashtable();
jaroslav@810	551	private String pkgPrefix = "";
jaroslav@810	552	private int pkgPrefixLen = 0;
jaroslav@810	553
jaroslav@810	554	/**
jaroslav@810	555	* Read classfile to disassemble.
jaroslav@810	556	*/
jaroslav@810	557	public ClassData(InputStream infile) throws IOException {
jaroslav@810	558	this.read(new DataInputStream(infile));
jaroslav@810	559	}
jaroslav@810	560
jaroslav@810	561	/**
jaroslav@810	562	* Reads and stores class file information.
jaroslav@810	563	*/
jaroslav@810	564	public void read(DataInputStream in) throws IOException {
jaroslav@810	565	// Read the header
jaroslav@810	566	magic = in.readInt();
jaroslav@810	567	if (magic != JAVA_MAGIC) {
jaroslav@810	568	throw new ClassFormatError("wrong magic: "
jaroslav@810	569	+ toHex(magic) + ", expected "
jaroslav@810	570	+ toHex(JAVA_MAGIC));
jaroslav@810	571	}
jaroslav@810	572	minor_version = in.readShort();
jaroslav@810	573	major_version = in.readShort();
jaroslav@810	574	if (major_version != JAVA_VERSION) {
jaroslav@810	575	}
jaroslav@810	576
jaroslav@810	577	// Read the constant pool
jaroslav@810	578	readCP(in);
jaroslav@810	579	access = in.readUnsignedShort();
jaroslav@810	580	this_class = in.readUnsignedShort();
jaroslav@810	581	super_class = in.readUnsignedShort();
jaroslav@810	582
jaroslav@810	583	//Read interfaces.
jaroslav@810	584	interfaces_count = in.readUnsignedShort();
jaroslav@810	585	if (interfaces_count > 0) {
jaroslav@810	586	interfaces = new int[interfaces_count];
jaroslav@810	587	}
jaroslav@810	588	for (int i = 0; i < interfaces_count; i++) {
jaroslav@810	589	interfaces[i] = in.readShort();
jaroslav@810	590	}
jaroslav@810	591
jaroslav@810	592	// Read the fields
jaroslav@810	593	readFields(in);
jaroslav@810	594
jaroslav@810	595	// Read the methods
jaroslav@810	596	readMethods(in);
jaroslav@810	597
jaroslav@810	598	// Read the attributes
jaroslav@810	599	attributes_count = in.readUnsignedShort();
jaroslav@810	600	attrs = new AttrData[attributes_count];
jaroslav@810	601	for (int k = 0; k < attributes_count; k++) {
jaroslav@810	602	int name_cpx = in.readUnsignedShort();
jaroslav@810	603	if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	604	&& getString(name_cpx).equals("SourceFile")) {
jaroslav@810	605	if (in.readInt() != 2) {
jaroslav@810	606	throw new ClassFormatError("invalid attr length");
jaroslav@810	607	}
jaroslav@810	608	source_cpx = in.readUnsignedShort();
jaroslav@810	609	AttrData attr = new AttrData(this);
jaroslav@810	610	attr.read(name_cpx);
jaroslav@810	611	attrs[k] = attr;
jaroslav@810	612
jaroslav@810	613	} else if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	614	&& getString(name_cpx).equals("InnerClasses")) {
jaroslav@810	615	int length = in.readInt();
jaroslav@810	616	int num = in.readUnsignedShort();
jaroslav@810	617	if (2 + num * 8 != length) {
jaroslav@810	618	throw new ClassFormatError("invalid attr length");
jaroslav@810	619	}
jaroslav@810	620	innerClasses = new InnerClassData[num];
jaroslav@810	621	for (int j = 0; j < num; j++) {
jaroslav@810	622	InnerClassData innerClass = new InnerClassData(this);
jaroslav@810	623	innerClass.read(in);
jaroslav@810	624	innerClasses[j] = innerClass;
jaroslav@810	625	}
jaroslav@810	626	AttrData attr = new AttrData(this);
jaroslav@810	627	attr.read(name_cpx);
jaroslav@810	628	attrs[k] = attr;
jaroslav@1640	629	} else if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@1640	630	&& getString(name_cpx).equals("BootstrapMethods")) {
jaroslav@1640	631	AttrData attr = new AttrData(this);
jaroslav@1642	632	bootMethods = readBootstrapMethods(in);
jaroslav@1640	633	attr.read(name_cpx);
jaroslav@1640	634	attrs[k] = attr;
jaroslav@810	635	} else {
jaroslav@810	636	AttrData attr = new AttrData(this);
jaroslav@810	637	attr.read(name_cpx, in);
jaroslav@810	638	attrs[k] = attr;
jaroslav@810	639	}
jaroslav@810	640	}
jaroslav@810	641	in.close();
jaroslav@810	642	} // end ClassData.read()
jaroslav@810	643
jaroslav@1642	644	BootMethodData[] readBootstrapMethods(DataInputStream in) throws IOException {
jaroslav@1642	645	int attr_len = in.readInt(); //attr_lengt
jaroslav@1640	646	int number = in.readShort();
jaroslav@1642	647	BootMethodData[] arr = new BootMethodData[number];
jaroslav@1640	648	for (int i = 0; i < number; i++) {
jaroslav@1640	649	int ref = in.readShort();
jaroslav@1640	650	int len = in.readShort();
jaroslav@1640	651	int[] args = new int[len];
jaroslav@1640	652	for (int j = 0; j < len; j++) {
jaroslav@1640	653	args[j] = in.readShort();
jaroslav@1640	654	}
jaroslav@1642	655	arr[i] = new BootMethodData(this, ref, args);
jaroslav@1640	656	}
jaroslav@1642	657	return arr;
jaroslav@1640	658	}
jaroslav@1640	659
jaroslav@810	660	/**
jaroslav@810	661	* Reads and stores constant pool info.
jaroslav@810	662	*/
jaroslav@810	663	void readCP(DataInputStream in) throws IOException {
jaroslav@810	664	cpool_count = in.readUnsignedShort();
jaroslav@810	665	tags = new byte[cpool_count];
jaroslav@810	666	cpool = new Object[cpool_count];
jaroslav@810	667	for (int i = 1; i < cpool_count; i++) {
jaroslav@810	668	byte tag = in.readByte();
jaroslav@810	669
jaroslav@810	670	switch (tags[i] = tag) {
jaroslav@810	671	case CONSTANT_UTF8:
jaroslav@810	672	String str = in.readUTF();
jaroslav@810	673	indexHashAscii.put(cpool[i] = str, new Integer(i));
jaroslav@810	674	break;
jaroslav@810	675	case CONSTANT_INTEGER:
jaroslav@810	676	cpool[i] = new Integer(in.readInt());
jaroslav@810	677	break;
jaroslav@810	678	case CONSTANT_FLOAT:
jaroslav@810	679	cpool[i] = new Float(in.readFloat());
jaroslav@810	680	break;
jaroslav@810	681	case CONSTANT_LONG:
jaroslav@810	682	cpool[i++] = new Long(in.readLong());
jaroslav@810	683	break;
jaroslav@810	684	case CONSTANT_DOUBLE:
jaroslav@810	685	cpool[i++] = new Double(in.readDouble());
jaroslav@810	686	break;
jaroslav@810	687	case CONSTANT_CLASS:
jaroslav@810	688	case CONSTANT_STRING:
jaroslav@810	689	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@810	690	break;
jaroslav@810	691
jaroslav@810	692	case CONSTANT_FIELD:
jaroslav@810	693	case CONSTANT_METHOD:
jaroslav@810	694	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	695	case CONSTANT_NAMEANDTYPE:
jaroslav@810	696	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@810	697	break;
jaroslav@1639	698	case CONSTANT_METHODHANDLE:
jaroslav@1641	699	cpool[i] = new CPX2(in.readByte(), in.readUnsignedShort());
jaroslav@1639	700	break;
jaroslav@1639	701	case CONSTANT_METHODTYPE:
jaroslav@1641	702	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@1639	703	break;
jaroslav@1639	704	case CONSTANT_INVOKEDYNAMIC:
jaroslav@1641	705	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@1639	706	break;
jaroslav@810	707	case 0:
jaroslav@810	708	default:
jaroslav@810	709	throw new ClassFormatError("invalid constant type: " + (int) tags[i]);
jaroslav@810	710	}
jaroslav@810	711	}
jaroslav@810	712	}
jaroslav@810	713
jaroslav@810	714	/**
jaroslav@810	715	* Reads and strores field info.
jaroslav@810	716	*/
jaroslav@810	717	protected void readFields(DataInputStream in) throws IOException {
jaroslav@810	718	int fields_count = in.readUnsignedShort();
jaroslav@810	719	fields = new FieldData[fields_count];
jaroslav@810	720	for (int k = 0; k < fields_count; k++) {
jaroslav@810	721	FieldData field = new FieldData(this);
jaroslav@810	722	field.read(in);
jaroslav@810	723	fields[k] = field;
jaroslav@810	724	}
jaroslav@810	725	}
jaroslav@810	726
jaroslav@810	727	/**
jaroslav@810	728	* Reads and strores Method info.
jaroslav@810	729	*/
jaroslav@810	730	protected void readMethods(DataInputStream in) throws IOException {
jaroslav@810	731	int methods_count = in.readUnsignedShort();
jaroslav@810	732	methods = new MethodData[methods_count];
jaroslav@810	733	for (int k = 0; k < methods_count; k++) {
jaroslav@810	734	MethodData method = new MethodData(this);
jaroslav@810	735	method.read(in);
jaroslav@810	736	methods[k] = method;
jaroslav@810	737	}
jaroslav@810	738	}
jaroslav@810	739
jaroslav@810	740	/**
jaroslav@810	741	* get a string
jaroslav@810	742	*/
jaroslav@810	743	public String getString(int n) {
jaroslav@810	744	if (n == 0) {
jaroslav@810	745	return null;
jaroslav@810	746	} else {
jaroslav@810	747	return (String) cpool[n];
jaroslav@810	748	}
jaroslav@810	749	}
jaroslav@810	750
jaroslav@810	751	/**
jaroslav@810	752	* get the type of constant given an index
jaroslav@810	753	*/
jaroslav@810	754	public byte getTag(int n) {
jaroslav@810	755	try {
jaroslav@810	756	return tags[n];
jaroslav@810	757	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	758	return (byte) 100;
jaroslav@810	759	}
jaroslav@810	760	}
jaroslav@810	761	static final String hexString = "0123456789ABCDEF";
jaroslav@810	762	public static char hexTable[] = hexString.toCharArray();
jaroslav@810	763
jaroslav@810	764	static String toHex(long val, int width) {
jaroslav@810	765	StringBuffer s = new StringBuffer();
jaroslav@810	766	for (int i = width - 1; i >= 0; i--) {
jaroslav@810	767	s.append(hexTable[((int) (val >> (4 * i))) & 0xF]);
jaroslav@810	768	}
jaroslav@810	769	return "0x" + s.toString();
jaroslav@810	770	}
jaroslav@810	771
jaroslav@810	772	static String toHex(long val) {
jaroslav@810	773	int width;
jaroslav@810	774	for (width = 16; width > 0; width--) {
jaroslav@810	775	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	776	break;
jaroslav@810	777	}
jaroslav@810	778	}
jaroslav@810	779	return toHex(val, width);
jaroslav@810	780	}
jaroslav@810	781
jaroslav@810	782	static String toHex(int val) {
jaroslav@810	783	int width;
jaroslav@810	784	for (width = 8; width > 0; width--) {
jaroslav@810	785	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	786	break;
jaroslav@810	787	}
jaroslav@810	788	}
jaroslav@810	789	return toHex(val, width);
jaroslav@810	790	}
jaroslav@810	791
jaroslav@810	792	/**
jaroslav@810	793	* Returns the name of this class.
jaroslav@810	794	*/
jaroslav@810	795	public String getClassName() {
jaroslav@810	796	String res = null;
jaroslav@810	797	if (this_class == 0) {
jaroslav@810	798	return res;
jaroslav@810	799	}
jaroslav@810	800	int tcpx;
jaroslav@810	801	try {
jaroslav@810	802	if (tags[this_class] != CONSTANT_CLASS) {
jaroslav@810	803	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	804	}
jaroslav@810	805	tcpx = ((CPX) cpool[this_class]).cpx;
jaroslav@810	806	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	807	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	808	} catch (Throwable e) {
jaroslav@810	809	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	810	}
jaroslav@810	811
jaroslav@810	812	try {
jaroslav@810	813	return (String) (cpool[tcpx]);
jaroslav@810	814	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	815	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	816	} catch (ClassCastException e) {
jaroslav@810	817	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	818	} catch (Throwable e) {
jaroslav@810	819	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	820	}
jaroslav@810	821
jaroslav@810	822	}
jaroslav@810	823
jaroslav@810	824	/**
jaroslav@810	825	* Returns the name of class at perticular index.
jaroslav@810	826	*/
jaroslav@810	827	public String getClassName(int cpx) {
jaroslav@810	828	String res = "#" + cpx;
jaroslav@810	829	if (cpx == 0) {
jaroslav@810	830	return res;
jaroslav@810	831	}
jaroslav@810	832	int scpx;
jaroslav@810	833	try {
jaroslav@810	834	if (tags[cpx] != CONSTANT_CLASS) {
jaroslav@810	835	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	836	}
jaroslav@810	837	scpx = ((CPX) cpool[cpx]).cpx;
jaroslav@810	838	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	839	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	840	} catch (Throwable e) {
jaroslav@810	841	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	842	}
jaroslav@810	843	res = "#" + scpx;
jaroslav@810	844	try {
jaroslav@810	845	return (String) (cpool[scpx]);
jaroslav@810	846	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	847	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	848	} catch (ClassCastException e) {
jaroslav@810	849	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	850	} catch (Throwable e) {
jaroslav@810	851	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	852	}
jaroslav@810	853	}
jaroslav@810	854
jaroslav@810	855	public int getAccessFlags() {
jaroslav@810	856	return access;
jaroslav@810	857	}
jaroslav@810	858
jaroslav@810	859	/**
jaroslav@810	860	* Returns true if it is a class
jaroslav@810	861	*/
jaroslav@810	862	public boolean isClass() {
jaroslav@810	863	if ((access & ACC_INTERFACE) == 0) {
jaroslav@810	864	return true;
jaroslav@810	865	}
jaroslav@810	866	return false;
jaroslav@810	867	}
jaroslav@810	868
jaroslav@810	869	/**
jaroslav@810	870	* Returns true if it is a interface.
jaroslav@810	871	*/
jaroslav@810	872	public boolean isInterface() {
jaroslav@810	873	if ((access & ACC_INTERFACE) != 0) {
jaroslav@810	874	return true;
jaroslav@810	875	}
jaroslav@810	876	return false;
jaroslav@810	877	}
jaroslav@810	878
jaroslav@810	879	/**
jaroslav@810	880	* Returns true if this member is public, false otherwise.
jaroslav@810	881	*/
jaroslav@810	882	public boolean isPublic() {
jaroslav@810	883	return (access & ACC_PUBLIC) != 0;
jaroslav@810	884	}
jaroslav@810	885
jaroslav@810	886	/**
jaroslav@810	887	* Returns the access of this class or interface.
jaroslav@810	888	*/
jaroslav@810	889	public String[] getAccess() {
jaroslav@810	890	Vector v = new Vector();
jaroslav@810	891	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	892	v.addElement("public");
jaroslav@810	893	}
jaroslav@810	894	if ((access & ACC_FINAL) != 0) {
jaroslav@810	895	v.addElement("final");
jaroslav@810	896	}
jaroslav@810	897	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	898	v.addElement("abstract");
jaroslav@810	899	}
jaroslav@810	900	String[] accflags = new String[v.size()];
jaroslav@810	901	v.copyInto(accflags);
jaroslav@810	902	return accflags;
jaroslav@810	903	}
jaroslav@810	904
jaroslav@810	905	/**
jaroslav@810	906	* Returns list of innerclasses.
jaroslav@810	907	*/
jaroslav@810	908	public InnerClassData[] getInnerClasses() {
jaroslav@810	909	return innerClasses;
jaroslav@810	910	}
jaroslav@810	911
jaroslav@810	912	/**
jaroslav@810	913	* Returns list of attributes.
jaroslav@810	914	*/
jaroslav@810	915	final AttrData[] getAttributes() {
jaroslav@810	916	return attrs;
jaroslav@810	917	}
jaroslav@810	918
jaroslav@810	919	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	920	String n = classRetention
jaroslav@810	921	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	922	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	923	return findAttr(n, attrs);
jaroslav@810	924	}
jaroslav@810	925
jaroslav@810	926	/**
jaroslav@810	927	* Returns true if superbit is set.
jaroslav@810	928	*/
jaroslav@810	929	public boolean isSuperSet() {
jaroslav@810	930	if ((access & ACC_SUPER) != 0) {
jaroslav@810	931	return true;
jaroslav@810	932	}
jaroslav@810	933	return false;
jaroslav@810	934	}
jaroslav@810	935
jaroslav@810	936	/**
jaroslav@810	937	* Returns super class name.
jaroslav@810	938	*/
jaroslav@810	939	public String getSuperClassName() {
jaroslav@810	940	String res = null;
jaroslav@810	941	if (super_class == 0) {
jaroslav@810	942	return res;
jaroslav@810	943	}
jaroslav@810	944	int scpx;
jaroslav@810	945	try {
jaroslav@810	946	if (tags[super_class] != CONSTANT_CLASS) {
jaroslav@810	947	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	948	}
jaroslav@810	949	scpx = ((CPX) cpool[super_class]).cpx;
jaroslav@810	950	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	951	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	952	} catch (Throwable e) {
jaroslav@810	953	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	954	}
jaroslav@810	955
jaroslav@810	956	try {
jaroslav@810	957	return (String) (cpool[scpx]);
jaroslav@810	958	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	959	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	960	} catch (ClassCastException e) {
jaroslav@810	961	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	962	} catch (Throwable e) {
jaroslav@810	963	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	964	}
jaroslav@810	965	}
jaroslav@810	966
jaroslav@810	967	/**
jaroslav@810	968	* Returns list of super interfaces.
jaroslav@810	969	*/
jaroslav@810	970	public String[] getSuperInterfaces() {
jaroslav@810	971	String interfacenames[] = new String[interfaces.length];
jaroslav@810	972	int interfacecpx = -1;
jaroslav@810	973	for (int i = 0; i < interfaces.length; i++) {
jaroslav@810	974	interfacecpx = ((CPX) cpool[interfaces[i]]).cpx;
jaroslav@810	975	interfacenames[i] = (String) (cpool[interfacecpx]);
jaroslav@810	976	}
jaroslav@810	977	return interfacenames;
jaroslav@810	978	}
jaroslav@810	979
jaroslav@810	980	/**
jaroslav@810	981	* Returns string at prticular constant pool index.
jaroslav@810	982	*/
jaroslav@810	983	public String getStringValue(int cpoolx) {
jaroslav@810	984	try {
jaroslav@810	985	return ((String) cpool[cpoolx]);
jaroslav@810	986	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	987	return "//invalid constant pool index:" + cpoolx;
jaroslav@810	988	} catch (ClassCastException e) {
jaroslav@810	989	return "//invalid constant pool ref:" + cpoolx;
jaroslav@810	990	}
jaroslav@810	991	}
jaroslav@810	992
jaroslav@810	993	/**
jaroslav@810	994	* Returns list of field info.
jaroslav@810	995	*/
jaroslav@810	996	public FieldData[] getFields() {
jaroslav@810	997	return fields;
jaroslav@810	998	}
jaroslav@810	999
jaroslav@810	1000	/**
jaroslav@810	1001	* Returns list of method info.
jaroslav@810	1002	*/
jaroslav@810	1003	public MethodData[] getMethods() {
jaroslav@810	1004	return methods;
jaroslav@810	1005	}
jaroslav@810	1006
jaroslav@810	1007	/**
jaroslav@810	1008	* Returns constant pool entry at that index.
jaroslav@810	1009	*/
jaroslav@810	1010	public CPX2 getCpoolEntry(int cpx) {
jaroslav@810	1011	return ((CPX2) (cpool[cpx]));
jaroslav@810	1012	}
jaroslav@810	1013
jaroslav@810	1014	public Object getCpoolEntryobj(int cpx) {
jaroslav@810	1015	return (cpool[cpx]);
jaroslav@810	1016	}
jaroslav@810	1017
jaroslav@810	1018	/**
jaroslav@810	1019	* Returns index of this class.
jaroslav@810	1020	*/
jaroslav@810	1021	public int getthis_cpx() {
jaroslav@810	1022	return this_class;
jaroslav@810	1023	}
jaroslav@810	1024
jaroslav@810	1025	/**
jaroslav@810	1026	* Returns string at that index.
jaroslav@810	1027	*/
jaroslav@810	1028	public String StringValue(int cpx) {
jaroslav@810	1029	return stringValue(cpx, false);
jaroslav@810	1030	}
jaroslav@810	1031
jaroslav@810	1032	public String stringValue(int cpx, boolean textual) {
jaroslav@810	1033	return stringValue(cpx, textual, null);
jaroslav@810	1034	}
jaroslav@810	1035
jaroslav@810	1036	public String stringValue(int cpx, String[] classRefs) {
jaroslav@810	1037	return stringValue(cpx, true, classRefs);
jaroslav@810	1038	}
jaroslav@810	1039
jaroslav@810	1040	private String stringValue(int cpx, boolean textual, String[] refs) {
jaroslav@810	1041	if (cpx == 0) {
jaroslav@810	1042	return "#0";
jaroslav@810	1043	}
jaroslav@810	1044	int tag;
jaroslav@810	1045	Object x;
jaroslav@810	1046	String suffix = "";
jaroslav@810	1047	try {
jaroslav@810	1048	tag = tags[cpx];
jaroslav@810	1049	x = cpool[cpx];
jaroslav@810	1050	} catch (IndexOutOfBoundsException e) {
jaroslav@810	1051	return "<Incorrect CP index:" + cpx + ">";
jaroslav@810	1052	}
jaroslav@810	1053
jaroslav@810	1054	if (x == null) {
jaroslav@810	1055	return "<NULL>";
jaroslav@810	1056	}
jaroslav@810	1057	switch (tag) {
jaroslav@810	1058	case CONSTANT_UTF8: {
jaroslav@810	1059	if (!textual) {
jaroslav@810	1060	return (String) x;
jaroslav@810	1061	}
jaroslav@810	1062	StringBuilder sb = new StringBuilder();
jaroslav@810	1063	String s = (String) x;
jaroslav@810	1064	for (int k = 0; k < s.length(); k++) {
jaroslav@810	1065	char c = s.charAt(k);
jaroslav@810	1066	switch (c) {
jaroslav@810	1067	case '\\':
jaroslav@810	1068	sb.append('\\').append('\\');
jaroslav@810	1069	break;
jaroslav@810	1070	case '\t':
jaroslav@810	1071	sb.append('\\').append('t');
jaroslav@810	1072	break;
jaroslav@810	1073	case '\n':
jaroslav@810	1074	sb.append('\\').append('n');
jaroslav@810	1075	break;
jaroslav@810	1076	case '\r':
jaroslav@810	1077	sb.append('\\').append('r');
jaroslav@810	1078	break;
jaroslav@810	1079	case '\"':
jaroslav@810	1080	sb.append('\\').append('\"');
jaroslav@810	1081	break;
jaroslav@1354	1082	case '\u2028':
jaroslav@1354	1083	sb.append("\\u2028");
jaroslav@1354	1084	break;
jaroslav@1354	1085	case '\u2029':
jaroslav@1354	1086	sb.append("\\u2029");
jaroslav@1354	1087	break;
jaroslav@810	1088	default:
jaroslav@810	1089	sb.append(c);
jaroslav@810	1090	}
jaroslav@810	1091	}
jaroslav@810	1092	return sb.toString();
jaroslav@810	1093	}
jaroslav@810	1094	case CONSTANT_DOUBLE: {
jaroslav@810	1095	Double d = (Double) x;
jaroslav@810	1096	String sd = d.toString();
jaroslav@810	1097	if (textual) {
jaroslav@810	1098	return sd;
jaroslav@810	1099	}
jaroslav@810	1100	return sd + "d";
jaroslav@810	1101	}
jaroslav@810	1102	case CONSTANT_FLOAT: {
jaroslav@810	1103	Float f = (Float) x;
jaroslav@810	1104	String sf = (f).toString();
jaroslav@810	1105	if (textual) {
jaroslav@810	1106	return sf;
jaroslav@810	1107	}
jaroslav@810	1108	return sf + "f";
jaroslav@810	1109	}
jaroslav@810	1110	case CONSTANT_LONG: {
jaroslav@810	1111	Long ln = (Long) x;
jaroslav@810	1112	if (textual) {
jaroslav@810	1113	return ln.toString();
jaroslav@810	1114	}
jaroslav@810	1115	return ln.toString() + 'l';
jaroslav@810	1116	}
jaroslav@810	1117	case CONSTANT_INTEGER: {
jaroslav@810	1118	Integer in = (Integer) x;
jaroslav@810	1119	return in.toString();
jaroslav@810	1120	}
jaroslav@810	1121	case CONSTANT_CLASS:
jaroslav@810	1122	String jn = getClassName(cpx);
jaroslav@810	1123	if (textual) {
jaroslav@810	1124	if (refs != null) {
jaroslav@810	1125	refs[0] = jn;
jaroslav@810	1126	}
jaroslav@810	1127	return jn;
jaroslav@810	1128	}
jaroslav@810	1129	return javaName(jn);
jaroslav@810	1130	case CONSTANT_STRING:
jaroslav@810	1131	String sv = stringValue(((CPX) x).cpx, textual);
jaroslav@810	1132	if (textual) {
jaroslav@810	1133	return '"' + sv + '"';
jaroslav@810	1134	} else {
jaroslav@810	1135	return sv;
jaroslav@810	1136	}
jaroslav@810	1137	case CONSTANT_FIELD:
jaroslav@810	1138	case CONSTANT_METHOD:
jaroslav@810	1139	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	1140	//return getShortClassName(((CPX2)x).cpx1)+"."+StringValue(((CPX2)x).cpx2);
jaroslav@810	1141	return javaName(getClassName(((CPX2) x).cpx1)) + "." + StringValue(((CPX2) x).cpx2);
jaroslav@810	1142
jaroslav@810	1143	case CONSTANT_NAMEANDTYPE:
jaroslav@810	1144	return getName(((CPX2) x).cpx1) + ":" + StringValue(((CPX2) x).cpx2);
jaroslav@1642	1145	case CONSTANT_METHODHANDLE:
jaroslav@1642	1146	return "K" + ((CPX2)x).cpx1 + "@" + stringValue(((CPX2)x).cpx2, textual);
jaroslav@1642	1147	case CONSTANT_METHODTYPE:
jaroslav@1642	1148	return stringValue(((CPX)x).cpx, true);
jaroslav@810	1149	default:
jaroslav@1642	1150	return "UnknownTag" + tag; //TBD
jaroslav@810	1151	}
jaroslav@810	1152	}
jaroslav@810	1153
jaroslav@810	1154	/**
jaroslav@810	1155	* Returns resolved java type name.
jaroslav@810	1156	*/
jaroslav@810	1157	public String javaName(String name) {
jaroslav@810	1158	if (name == null) {
jaroslav@810	1159	return "null";
jaroslav@810	1160	}
jaroslav@810	1161	int len = name.length();
jaroslav@810	1162	if (len == 0) {
jaroslav@810	1163	return "\"\"";
jaroslav@810	1164	}
jaroslav@810	1165	int cc = '/';
jaroslav@810	1166	fullname:
jaroslav@810	1167	{ // xxx/yyy/zzz
jaroslav@810	1168	int cp;
jaroslav@810	1169	for (int k = 0; k < len; k += Character.charCount(cp)) {
jaroslav@810	1170	cp = name.codePointAt(k);
jaroslav@810	1171	if (cc == '/') {
jaroslav@810	1172	if (!isJavaIdentifierStart(cp)) {
jaroslav@810	1173	break fullname;
jaroslav@810	1174	}
jaroslav@810	1175	} else if (cp != '/') {
jaroslav@810	1176	if (!isJavaIdentifierPart(cp)) {
jaroslav@810	1177	break fullname;
jaroslav@810	1178	}
jaroslav@810	1179	}
jaroslav@810	1180	cc = cp;
jaroslav@810	1181	}
jaroslav@810	1182	return name;
jaroslav@810	1183	}
jaroslav@810	1184	return "\"" + name + "\"";
jaroslav@810	1185	}
jaroslav@810	1186
jaroslav@810	1187	public String getName(int cpx) {
jaroslav@810	1188	String res;
jaroslav@810	1189	try {
jaroslav@810	1190	return javaName((String) cpool[cpx]); //.replace('/','.');
jaroslav@810	1191	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1192	return "<invalid constant pool index:" + cpx + ">";
jaroslav@810	1193	} catch (ClassCastException e) {
jaroslav@810	1194	return "<invalid constant pool ref:" + cpx + ">";
jaroslav@810	1195	}
jaroslav@810	1196	}
jaroslav@810	1197
jaroslav@810	1198	/**
jaroslav@810	1199	* Returns unqualified class name.
jaroslav@810	1200	*/
jaroslav@810	1201	public String getShortClassName(int cpx) {
jaroslav@810	1202	String classname = javaName(getClassName(cpx));
jaroslav@810	1203	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1204	if (pkgPrefixLen != 0) {
jaroslav@810	1205	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1206	if (classname.startsWith(pkgPrefix)) {
jaroslav@810	1207	return classname.substring(pkgPrefixLen);
jaroslav@810	1208	}
jaroslav@810	1209	}
jaroslav@810	1210	return classname;
jaroslav@810	1211	}
jaroslav@810	1212
jaroslav@810	1213	/**
jaroslav@810	1214	* Returns source file name.
jaroslav@810	1215	*/
jaroslav@810	1216	public String getSourceName() {
jaroslav@810	1217	return getName(source_cpx);
jaroslav@810	1218	}
jaroslav@810	1219
jaroslav@810	1220	/**
jaroslav@810	1221	* Returns package name.
jaroslav@810	1222	*/
jaroslav@810	1223	public String getPkgName() {
jaroslav@810	1224	String classname = getClassName(this_class);
jaroslav@810	1225	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1226	if (pkgPrefixLen != 0) {
jaroslav@810	1227	pkgPrefix = classname.substring(0, pkgPrefixLen);
lubomir@967	1228	return /* ("package " + / pkgPrefix.substring(0, pkgPrefixLen - 1) / + ";\n") */;
jaroslav@810	1229	} else {
jaroslav@810	1230	return null;
jaroslav@810	1231	}
jaroslav@810	1232	}
jaroslav@1642	1233
jaroslav@1642	1234	public String getBootMethod(int indx) {
jaroslav@1642	1235	return bootMethods != null ? bootMethods[indx].toString() : null;
jaroslav@1642	1236	}
jaroslav@810	1237
jaroslav@810	1238	/**
jaroslav@810	1239	* Returns total constant pool entry count.
jaroslav@810	1240	*/
jaroslav@810	1241	public int getCpoolCount() {
jaroslav@810	1242	return cpool_count;
jaroslav@810	1243	}
jaroslav@810	1244
jaroslav@810	1245	/**
jaroslav@810	1246	* Returns minor version of class file.
jaroslav@810	1247	*/
jaroslav@810	1248	public int getMinor_version() {
jaroslav@810	1249	return minor_version;
jaroslav@810	1250	}
jaroslav@810	1251
jaroslav@810	1252	/**
jaroslav@810	1253	* Returns major version of class file.
jaroslav@810	1254	*/
jaroslav@810	1255	public int getMajor_version() {
jaroslav@810	1256	return major_version;
jaroslav@810	1257	}
jaroslav@810	1258
jaroslav@810	1259	private boolean isJavaIdentifierStart(int cp) {
jaroslav@810	1260	return ('a' <= cp && cp <= 'z') \|\| ('A' <= cp && cp <= 'Z');
jaroslav@810	1261	}
jaroslav@810	1262
jaroslav@810	1263	private boolean isJavaIdentifierPart(int cp) {
jaroslav@810	1264	return isJavaIdentifierStart(cp) \|\| ('0' <= cp && cp <= '9');
jaroslav@810	1265	}
jaroslav@810	1266
jaroslav@810	1267	public String[] getNameAndType(int indx) {
jaroslav@810	1268	return getNameAndType(indx, 0, new String[2]);
jaroslav@810	1269	}
jaroslav@810	1270
jaroslav@810	1271	private String[] getNameAndType(int indx, int at, String[] arr) {
jaroslav@810	1272	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1273	arr[at] = StringValue(c2.cpx1);
jaroslav@810	1274	arr[at + 1] = StringValue(c2.cpx2);
jaroslav@810	1275	return arr;
jaroslav@810	1276	}
jaroslav@810	1277
jaroslav@810	1278	public String[] getFieldInfoName(int indx) {
jaroslav@810	1279	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	1280	String[] arr = new String[3];
jaroslav@810	1281	arr[0] = getClassName(c2.cpx1);
jaroslav@810	1282	return getNameAndType(c2.cpx2, 1, arr);
jaroslav@810	1283	}
jaroslav@810	1284
lubomir@1085	1285	public MethodData findMethod(String name, String signature) {
lubomir@1085	1286	for (MethodData md: methods) {
lubomir@1085	1287	if (md.getName().equals(name)
lubomir@1085	1288	&& md.getInternalSig().equals(signature)) {
lubomir@1085	1289	return md;
lubomir@1085	1290	}
lubomir@1085	1291	}
lubomir@1085	1292
lubomir@1085	1293	// not found
lubomir@1085	1294	return null;
lubomir@1085	1295	}
lubomir@1085	1296
lubomir@1085	1297	public FieldData findField(String name, String signature) {
lubomir@1085	1298	for (FieldData fd: fields) {
lubomir@1085	1299	if (fd.getName().equals(name)
lubomir@1085	1300	&& fd.getInternalSig().equals(signature)) {
lubomir@1085	1301	return fd;
lubomir@1085	1302	}
lubomir@1085	1303	}
lubomir@1085	1304
lubomir@1085	1305	// not found
lubomir@1085	1306	return null;
lubomir@1085	1307	}
lubomir@1085	1308
jaroslav@810	1309	static byte[] findAttr(String n, AttrData[] attrs) {
jaroslav@810	1310	for (AttrData ad : attrs) {
jaroslav@810	1311	if (n.equals(ad.getAttrName())) {
jaroslav@810	1312	return ad.getData();
jaroslav@810	1313	}
jaroslav@810	1314	}
jaroslav@810	1315	return null;
jaroslav@810	1316	}
jaroslav@810	1317	}
jaroslav@810	1318
jaroslav@810	1319	/**
jaroslav@810	1320	* Strores field data informastion.
jaroslav@810	1321	*
jaroslav@810	1322	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1323	*/
jaroslav@810	1324	static class FieldData {
jaroslav@810	1325
jaroslav@810	1326	ClassData cls;
jaroslav@810	1327	int access;
jaroslav@810	1328	int name_index;
jaroslav@810	1329	int descriptor_index;
jaroslav@810	1330	int attributes_count;
jaroslav@1474	1331	int value_cpx = -1;
jaroslav@810	1332	boolean isSynthetic = false;
jaroslav@810	1333	boolean isDeprecated = false;
jaroslav@810	1334	Vector attrs;
jaroslav@810	1335
jaroslav@810	1336	public FieldData(ClassData cls) {
jaroslav@810	1337	this.cls = cls;
jaroslav@810	1338	}
jaroslav@810	1339
jaroslav@810	1340	/**
jaroslav@810	1341	* Read and store field info.
jaroslav@810	1342	*/
jaroslav@810	1343	public void read(DataInputStream in) throws IOException {
jaroslav@810	1344	access = in.readUnsignedShort();
jaroslav@810	1345	name_index = in.readUnsignedShort();
jaroslav@810	1346	descriptor_index = in.readUnsignedShort();
jaroslav@810	1347	// Read the attributes
jaroslav@810	1348	int attributes_count = in.readUnsignedShort();
jaroslav@810	1349	attrs = new Vector(attributes_count);
jaroslav@810	1350	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1351	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1352	if (cls.getTag(attr_name_index) != CONSTANT_UTF8) {
jaroslav@810	1353	continue;
jaroslav@810	1354	}
jaroslav@810	1355	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1356	if (attr_name.equals("ConstantValue")) {
jaroslav@810	1357	if (in.readInt() != 2) {
jaroslav@810	1358	throw new ClassFormatError("invalid ConstantValue attr length");
jaroslav@810	1359	}
jaroslav@810	1360	value_cpx = in.readUnsignedShort();
jaroslav@810	1361	AttrData attr = new AttrData(cls);
jaroslav@810	1362	attr.read(attr_name_index);
jaroslav@810	1363	attrs.addElement(attr);
jaroslav@810	1364	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1365	if (in.readInt() != 0) {
jaroslav@810	1366	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1367	}
jaroslav@810	1368	isSynthetic = true;
jaroslav@810	1369	AttrData attr = new AttrData(cls);
jaroslav@810	1370	attr.read(attr_name_index);
jaroslav@810	1371	attrs.addElement(attr);
jaroslav@810	1372	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1373	if (in.readInt() != 0) {
jaroslav@810	1374	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1375	}
jaroslav@810	1376	isDeprecated = true;
jaroslav@810	1377	AttrData attr = new AttrData(cls);
jaroslav@810	1378	attr.read(attr_name_index);
jaroslav@810	1379	attrs.addElement(attr);
jaroslav@810	1380	} else {
jaroslav@810	1381	AttrData attr = new AttrData(cls);
jaroslav@810	1382	attr.read(attr_name_index, in);
jaroslav@810	1383	attrs.addElement(attr);
jaroslav@810	1384	}
jaroslav@810	1385	}
jaroslav@810	1386
jaroslav@810	1387	} // end read
jaroslav@810	1388
jaroslav@810	1389	public boolean isStatic() {
jaroslav@810	1390	return (access & ACC_STATIC) != 0;
jaroslav@810	1391	}
jaroslav@810	1392
jaroslav@810	1393	/**
jaroslav@810	1394	* Returns access of a field.
jaroslav@810	1395	*/
jaroslav@810	1396	public String[] getAccess() {
jaroslav@810	1397	Vector v = new Vector();
jaroslav@810	1398	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1399	v.addElement("public");
jaroslav@810	1400	}
jaroslav@810	1401	if ((access & ACC_PRIVATE) != 0) {
jaroslav@810	1402	v.addElement("private");
jaroslav@810	1403	}
jaroslav@810	1404	if ((access & ACC_PROTECTED) != 0) {
jaroslav@810	1405	v.addElement("protected");
jaroslav@810	1406	}
jaroslav@810	1407	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1408	v.addElement("static");
jaroslav@810	1409	}
jaroslav@810	1410	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1411	v.addElement("final");
jaroslav@810	1412	}
jaroslav@810	1413	if ((access & ACC_VOLATILE) != 0) {
jaroslav@810	1414	v.addElement("volatile");
jaroslav@810	1415	}
jaroslav@810	1416	if ((access & ACC_TRANSIENT) != 0) {
jaroslav@810	1417	v.addElement("transient");
jaroslav@810	1418	}
jaroslav@810	1419	String[] accflags = new String[v.size()];
jaroslav@810	1420	v.copyInto(accflags);
jaroslav@810	1421	return accflags;
jaroslav@810	1422	}
jaroslav@810	1423
jaroslav@810	1424	/**
jaroslav@810	1425	* Returns name of a field.
jaroslav@810	1426	*/
jaroslav@810	1427	public String getName() {
jaroslav@810	1428	return cls.getStringValue(name_index);
jaroslav@810	1429	}
jaroslav@810	1430
jaroslav@810	1431	/**
jaroslav@810	1432	* Returns internal signature of a field
jaroslav@810	1433	*/
jaroslav@810	1434	public String getInternalSig() {
jaroslav@810	1435	return cls.getStringValue(descriptor_index);
jaroslav@810	1436	}
jaroslav@810	1437
jaroslav@810	1438	/**
jaroslav@810	1439	* Returns true if field is synthetic.
jaroslav@810	1440	*/
jaroslav@810	1441	public boolean isSynthetic() {
jaroslav@810	1442	return isSynthetic;
jaroslav@810	1443	}
jaroslav@810	1444
jaroslav@810	1445	/**
jaroslav@810	1446	* Returns true if field is deprecated.
jaroslav@810	1447	*/
jaroslav@810	1448	public boolean isDeprecated() {
jaroslav@810	1449	return isDeprecated;
jaroslav@810	1450	}
jaroslav@810	1451
jaroslav@1474	1452	public boolean hasConstantValue() {
jaroslav@1474	1453	return value_cpx != -1;
jaroslav@810	1454	}
jaroslav@810	1455
jaroslav@810	1456	/**
jaroslav@810	1457	* Returns list of attributes of field.
jaroslav@810	1458	*/
jaroslav@810	1459	public Vector getAttributes() {
jaroslav@810	1460	return attrs;
jaroslav@810	1461	}
jaroslav@810	1462
jaroslav@810	1463	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	1464	String n = classRetention
jaroslav@810	1465	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	1466	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	1467	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	1468	attrs.copyInto(arr);
jaroslav@810	1469	return ClassData.findAttr(n, arr);
jaroslav@810	1470	}
jaroslav@810	1471	}
jaroslav@810	1472
jaroslav@810	1473	/**
jaroslav@810	1474	* A JavaScript optimized replacement for Hashtable.
jaroslav@810	1475	*
jaroslav@810	1476	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	1477	*/
jaroslav@810	1478	private static final class Hashtable {
jaroslav@810	1479
jaroslav@810	1480	private Object[] keys;
jaroslav@810	1481	private Object[] values;
jaroslav@810	1482
jaroslav@810	1483	Hashtable(int i) {
jaroslav@810	1484	this();
jaroslav@810	1485	}
jaroslav@810	1486
jaroslav@810	1487	Hashtable(int i, double d) {
jaroslav@810	1488	this();
jaroslav@810	1489	}
jaroslav@810	1490
jaroslav@810	1491	Hashtable() {
jaroslav@810	1492	}
jaroslav@810	1493
jaroslav@810	1494	synchronized void put(Object key, Object val) {
jaroslav@810	1495	int[] where = {-1, -1};
jaroslav@810	1496	Object found = get(key, where);
jaroslav@810	1497	if (where[0] != -1) {
jaroslav@810	1498	// key exists
jaroslav@810	1499	values[where[0]] = val;
jaroslav@810	1500	} else {
jaroslav@810	1501	if (where[1] != -1) {
jaroslav@810	1502	// null found
jaroslav@810	1503	keys[where[1]] = key;
jaroslav@810	1504	values[where[1]] = val;
jaroslav@810	1505	} else {
jaroslav@810	1506	if (keys == null) {
jaroslav@810	1507	keys = new Object[11];
jaroslav@810	1508	values = new Object[11];
jaroslav@810	1509	keys[0] = key;
jaroslav@810	1510	values[0] = val;
jaroslav@810	1511	} else {
jaroslav@810	1512	Object[] newKeys = new Object[keys.length * 2];
jaroslav@810	1513	Object[] newValues = new Object[values.length * 2];
jaroslav@810	1514	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1515	newKeys[i] = keys[i];
jaroslav@810	1516	newValues[i] = values[i];
jaroslav@810	1517	}
jaroslav@810	1518	newKeys[keys.length] = key;
jaroslav@810	1519	newValues[keys.length] = val;
jaroslav@810	1520	keys = newKeys;
jaroslav@810	1521	values = newValues;
jaroslav@810	1522	}
jaroslav@810	1523	}
jaroslav@810	1524	}
jaroslav@810	1525	}
jaroslav@810	1526
jaroslav@810	1527	Object get(Object key) {
jaroslav@810	1528	return get(key, null);
jaroslav@810	1529	}
jaroslav@810	1530
jaroslav@810	1531	private synchronized Object get(Object key, int[] foundAndNull) {
jaroslav@810	1532	if (keys == null) {
jaroslav@810	1533	return null;
jaroslav@810	1534	}
jaroslav@810	1535	for (int i = 0; i < keys.length; i++) {
jaroslav@810	1536	if (keys[i] == null) {
jaroslav@810	1537	if (foundAndNull != null) {
jaroslav@810	1538	foundAndNull[1] = i;
jaroslav@810	1539	}
jaroslav@810	1540	} else if (keys[i].equals(key)) {
jaroslav@810	1541	if (foundAndNull != null) {
jaroslav@810	1542	foundAndNull[0] = i;
jaroslav@810	1543	}
jaroslav@810	1544	return values[i];
jaroslav@810	1545	}
jaroslav@810	1546	}
jaroslav@810	1547	return null;
jaroslav@810	1548	}
jaroslav@810	1549	}
jaroslav@810	1550
jaroslav@810	1551	/**
jaroslav@810	1552	* Strores InnerClass data informastion.
jaroslav@810	1553	*
jaroslav@810	1554	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1555	*/
jaroslav@810	1556	private static class InnerClassData {
jaroslav@810	1557
jaroslav@810	1558	ClassData cls;
jaroslav@810	1559	int inner_class_info_index, outer_class_info_index, inner_name_index, access;
jaroslav@810	1560
jaroslav@810	1561	public InnerClassData(ClassData cls) {
jaroslav@810	1562	this.cls = cls;
jaroslav@810	1563
jaroslav@810	1564	}
jaroslav@810	1565
jaroslav@810	1566	/**
jaroslav@810	1567	* Read Innerclass attribute data.
jaroslav@810	1568	*/
jaroslav@810	1569	public void read(DataInputStream in) throws IOException {
jaroslav@810	1570	inner_class_info_index = in.readUnsignedShort();
jaroslav@810	1571	outer_class_info_index = in.readUnsignedShort();
jaroslav@810	1572	inner_name_index = in.readUnsignedShort();
jaroslav@810	1573	access = in.readUnsignedShort();
jaroslav@810	1574	} // end read
jaroslav@810	1575
jaroslav@810	1576	/**
jaroslav@810	1577	* Returns the access of this class or interface.
jaroslav@810	1578	*/
jaroslav@810	1579	public String[] getAccess() {
jaroslav@810	1580	Vector v = new Vector();
jaroslav@810	1581	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1582	v.addElement("public");
jaroslav@810	1583	}
jaroslav@810	1584	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1585	v.addElement("final");
jaroslav@810	1586	}
jaroslav@810	1587	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	1588	v.addElement("abstract");
jaroslav@810	1589	}
jaroslav@810	1590	String[] accflags = new String[v.size()];
jaroslav@810	1591	v.copyInto(accflags);
jaroslav@810	1592	return accflags;
jaroslav@810	1593	}
jaroslav@810	1594	} // end InnerClassData
jaroslav@1642	1595
jaroslav@1642	1596	private static class BootMethodData {
jaroslav@1642	1597	private final ClassData clazz;
jaroslav@1642	1598	private final int method;
jaroslav@1642	1599	private final int[] args;
jaroslav@1642	1600
jaroslav@1642	1601	private BootMethodData(ClassData clazz, int method, int[] args) {
jaroslav@1642	1602	this.clazz = clazz;
jaroslav@1642	1603	this.method = method;
jaroslav@1642	1604	this.args = args;
jaroslav@1642	1605	}
jaroslav@1642	1606
jaroslav@1642	1607	@Override
jaroslav@1642	1608	public String toString() {
jaroslav@1642	1609	StringBuilder sb = new StringBuilder();
jaroslav@1642	1610	sb.append(clazz.stringValue(method, true));
jaroslav@1642	1611	sb.append('(');
jaroslav@1642	1612	for (int indx : args) {
jaroslav@1642	1613	sb.append("\n ");
jaroslav@1642	1614	sb.append(clazz.stringValue(indx, true));
jaroslav@1642	1615	}
jaroslav@1642	1616	sb.append(')');
jaroslav@1642	1617	return sb.toString();
jaroslav@1642	1618	}
jaroslav@1642	1619	}
jaroslav@810	1620
jaroslav@810	1621	/**
jaroslav@810	1622	* Strores LineNumberTable data information.
jaroslav@810	1623	*
jaroslav@810	1624	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1625	*/
jaroslav@810	1626	private static class LineNumData {
jaroslav@810	1627
jaroslav@810	1628	short start_pc, line_number;
jaroslav@810	1629
jaroslav@810	1630	public LineNumData() {
jaroslav@810	1631	}
jaroslav@810	1632
jaroslav@810	1633	/**
jaroslav@810	1634	* Read LineNumberTable attribute.
jaroslav@810	1635	*/
jaroslav@810	1636	public LineNumData(DataInputStream in) throws IOException {
jaroslav@810	1637	start_pc = in.readShort();
jaroslav@810	1638	line_number = in.readShort();
jaroslav@810	1639
jaroslav@810	1640	}
jaroslav@810	1641	}
jaroslav@810	1642
jaroslav@810	1643	/**
jaroslav@810	1644	* Strores LocalVariableTable data information.
jaroslav@810	1645	*
jaroslav@810	1646	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1647	*/
jaroslav@810	1648	private static class LocVarData {
jaroslav@810	1649
jaroslav@810	1650	short start_pc, length, name_cpx, sig_cpx, slot;
jaroslav@810	1651
jaroslav@810	1652	public LocVarData() {
jaroslav@810	1653	}
jaroslav@810	1654
jaroslav@810	1655	/**
jaroslav@810	1656	* Read LocalVariableTable attribute.
jaroslav@810	1657	*/
jaroslav@810	1658	public LocVarData(DataInputStream in) throws IOException {
jaroslav@810	1659	start_pc = in.readShort();
jaroslav@810	1660	length = in.readShort();
jaroslav@810	1661	name_cpx = in.readShort();
jaroslav@810	1662	sig_cpx = in.readShort();
jaroslav@810	1663	slot = in.readShort();
jaroslav@810	1664
jaroslav@810	1665	}
jaroslav@810	1666	}
jaroslav@810	1667	/**
jaroslav@810	1668	* Strores method data informastion.
jaroslav@810	1669	*
jaroslav@810	1670	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1671	*/
jaroslav@810	1672	static class MethodData {
jaroslav@810	1673
jaroslav@810	1674	ClassData cls;
jaroslav@810	1675	int access;
jaroslav@810	1676	int name_index;
jaroslav@810	1677	int descriptor_index;
jaroslav@810	1678	int attributes_count;
jaroslav@810	1679	byte[] code;
jaroslav@810	1680	Vector exception_table = new Vector(0);
jaroslav@810	1681	Vector lin_num_tb = new Vector(0);
jaroslav@810	1682	Vector loc_var_tb = new Vector(0);
jaroslav@810	1683	StackMapTableData[] stackMapTable;
jaroslav@810	1684	StackMapData[] stackMap;
jaroslav@810	1685	int[] exc_index_table = null;
jaroslav@810	1686	Vector attrs = new Vector(0);
jaroslav@810	1687	Vector code_attrs = new Vector(0);
jaroslav@810	1688	int max_stack, max_locals;
jaroslav@810	1689	boolean isSynthetic = false;
jaroslav@810	1690	boolean isDeprecated = false;
jaroslav@810	1691
jaroslav@810	1692	public MethodData(ClassData cls) {
jaroslav@810	1693	this.cls = cls;
jaroslav@810	1694	}
jaroslav@810	1695
jaroslav@810	1696	/**
jaroslav@810	1697	* Read method info.
jaroslav@810	1698	*/
jaroslav@810	1699	public void read(DataInputStream in) throws IOException {
jaroslav@810	1700	access = in.readUnsignedShort();
jaroslav@810	1701	name_index = in.readUnsignedShort();
jaroslav@810	1702	descriptor_index = in.readUnsignedShort();
jaroslav@810	1703	int attributes_count = in.readUnsignedShort();
jaroslav@810	1704	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	1705	int attr_name_index = in.readUnsignedShort();
jaroslav@810	1706
jaroslav@810	1707	readAttr:
jaroslav@810	1708	{
jaroslav@810	1709	if (cls.getTag(attr_name_index) == CONSTANT_UTF8) {
jaroslav@810	1710	String attr_name = cls.getString(attr_name_index);
jaroslav@810	1711	if (attr_name.equals("Code")) {
jaroslav@810	1712	readCode(in);
jaroslav@810	1713	AttrData attr = new AttrData(cls);
jaroslav@810	1714	attr.read(attr_name_index);
jaroslav@810	1715	attrs.addElement(attr);
jaroslav@810	1716	break readAttr;
jaroslav@810	1717	} else if (attr_name.equals("Exceptions")) {
jaroslav@810	1718	readExceptions(in);
jaroslav@810	1719	AttrData attr = new AttrData(cls);
jaroslav@810	1720	attr.read(attr_name_index);
jaroslav@810	1721	attrs.addElement(attr);
jaroslav@810	1722	break readAttr;
jaroslav@810	1723	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	1724	if (in.readInt() != 0) {
jaroslav@810	1725	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1726	}
jaroslav@810	1727	isSynthetic = true;
jaroslav@810	1728	AttrData attr = new AttrData(cls);
jaroslav@810	1729	attr.read(attr_name_index);
jaroslav@810	1730	attrs.addElement(attr);
jaroslav@810	1731	break readAttr;
jaroslav@810	1732	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	1733	if (in.readInt() != 0) {
jaroslav@810	1734	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	1735	}
jaroslav@810	1736	isDeprecated = true;
jaroslav@810	1737	AttrData attr = new AttrData(cls);
jaroslav@810	1738	attr.read(attr_name_index);
jaroslav@810	1739	attrs.addElement(attr);
jaroslav@810	1740	break readAttr;
jaroslav@810	1741	}
jaroslav@810	1742	}
jaroslav@810	1743	AttrData attr = new AttrData(cls);
jaroslav@810	1744	attr.read(attr_name_index, in);
jaroslav@810	1745	attrs.addElement(attr);
jaroslav@810	1746	}
jaroslav@810	1747	}
jaroslav@810	1748	}
jaroslav@810	1749
jaroslav@810	1750	/**
jaroslav@810	1751	* Read code attribute info.
jaroslav@810	1752	*/
jaroslav@810	1753	public void readCode(DataInputStream in) throws IOException {
jaroslav@810	1754
jaroslav@810	1755	int attr_length = in.readInt();
jaroslav@810	1756	max_stack = in.readUnsignedShort();
jaroslav@810	1757	max_locals = in.readUnsignedShort();
jaroslav@810	1758	int codelen = in.readInt();
jaroslav@810	1759
jaroslav@810	1760	code = new byte[codelen];
jaroslav@810	1761	int totalread = 0;
jaroslav@810	1762	while (totalread < codelen) {
jaroslav@810	1763	totalread += in.read(code, totalread, codelen - totalread);
jaroslav@810	1764	}
jaroslav@810	1765	// in.read(code, 0, codelen);
jaroslav@810	1766	int clen = 0;
jaroslav@810	1767	readExceptionTable(in);
jaroslav@810	1768	int code_attributes_count = in.readUnsignedShort();
jaroslav@810	1769
jaroslav@810	1770	for (int k = 0; k < code_attributes_count; k++) {
jaroslav@810	1771	int table_name_index = in.readUnsignedShort();
jaroslav@810	1772	int table_name_tag = cls.getTag(table_name_index);
jaroslav@810	1773	AttrData attr = new AttrData(cls);
jaroslav@810	1774	if (table_name_tag == CONSTANT_UTF8) {
jaroslav@810	1775	String table_name_tstr = cls.getString(table_name_index);
jaroslav@810	1776	if (table_name_tstr.equals("LineNumberTable")) {
jaroslav@810	1777	readLineNumTable(in);
jaroslav@810	1778	attr.read(table_name_index);
jaroslav@810	1779	} else if (table_name_tstr.equals("LocalVariableTable")) {
jaroslav@810	1780	readLocVarTable(in);
jaroslav@810	1781	attr.read(table_name_index);
jaroslav@810	1782	} else if (table_name_tstr.equals("StackMapTable")) {
jaroslav@810	1783	readStackMapTable(in);
jaroslav@810	1784	attr.read(table_name_index);
jaroslav@810	1785	} else if (table_name_tstr.equals("StackMap")) {
jaroslav@810	1786	readStackMap(in);
jaroslav@810	1787	attr.read(table_name_index);
jaroslav@810	1788	} else {
jaroslav@810	1789	attr.read(table_name_index, in);
jaroslav@810	1790	}
jaroslav@810	1791	code_attrs.addElement(attr);
jaroslav@810	1792	continue;
jaroslav@810	1793	}
jaroslav@810	1794
jaroslav@810	1795	attr.read(table_name_index, in);
jaroslav@810	1796	code_attrs.addElement(attr);
jaroslav@810	1797	}
jaroslav@810	1798	}
jaroslav@810	1799
jaroslav@810	1800	/**
jaroslav@810	1801	* Read exception table info.
jaroslav@810	1802	*/
jaroslav@810	1803	void readExceptionTable(DataInputStream in) throws IOException {
jaroslav@810	1804	int exception_table_len = in.readUnsignedShort();
jaroslav@810	1805	exception_table = new Vector(exception_table_len);
jaroslav@810	1806	for (int l = 0; l < exception_table_len; l++) {
jaroslav@810	1807	exception_table.addElement(new TrapData(in, l));
jaroslav@810	1808	}
jaroslav@810	1809	}
jaroslav@810	1810
jaroslav@810	1811	/**
jaroslav@810	1812	* Read LineNumberTable attribute info.
jaroslav@810	1813	*/
jaroslav@810	1814	void readLineNumTable(DataInputStream in) throws IOException {
jaroslav@810	1815	int attr_len = in.readInt(); // attr_length
jaroslav@810	1816	int lin_num_tb_len = in.readUnsignedShort();
jaroslav@810	1817	lin_num_tb = new Vector(lin_num_tb_len);
jaroslav@810	1818	for (int l = 0; l < lin_num_tb_len; l++) {
jaroslav@810	1819	lin_num_tb.addElement(new LineNumData(in));
jaroslav@810	1820	}
jaroslav@810	1821	}
jaroslav@810	1822
jaroslav@810	1823	/**
jaroslav@810	1824	* Read LocalVariableTable attribute info.
jaroslav@810	1825	*/
jaroslav@810	1826	void readLocVarTable(DataInputStream in) throws IOException {
jaroslav@810	1827	int attr_len = in.readInt(); // attr_length
jaroslav@810	1828	int loc_var_tb_len = in.readUnsignedShort();
jaroslav@810	1829	loc_var_tb = new Vector(loc_var_tb_len);
jaroslav@810	1830	for (int l = 0; l < loc_var_tb_len; l++) {
jaroslav@810	1831	loc_var_tb.addElement(new LocVarData(in));
jaroslav@810	1832	}
jaroslav@810	1833	}
jaroslav@810	1834
jaroslav@810	1835	/**
jaroslav@810	1836	* Read Exception attribute info.
jaroslav@810	1837	*/
jaroslav@810	1838	public void readExceptions(DataInputStream in) throws IOException {
jaroslav@810	1839	int attr_len = in.readInt(); // attr_length in prog
jaroslav@810	1840	int num_exceptions = in.readUnsignedShort();
jaroslav@810	1841	exc_index_table = new int[num_exceptions];
jaroslav@810	1842	for (int l = 0; l < num_exceptions; l++) {
jaroslav@810	1843	int exc = in.readShort();
jaroslav@810	1844	exc_index_table[l] = exc;
jaroslav@810	1845	}
jaroslav@810	1846	}
jaroslav@810	1847
jaroslav@810	1848	/**
jaroslav@810	1849	* Read StackMapTable attribute info.
jaroslav@810	1850	*/
jaroslav@810	1851	void readStackMapTable(DataInputStream in) throws IOException {
jaroslav@810	1852	int attr_len = in.readInt(); //attr_length
jaroslav@810	1853	int stack_map_tb_len = in.readUnsignedShort();
jaroslav@810	1854	stackMapTable = new StackMapTableData[stack_map_tb_len];
jaroslav@810	1855	for (int i = 0; i < stack_map_tb_len; i++) {
jaroslav@810	1856	stackMapTable[i] = StackMapTableData.getInstance(in, this);
jaroslav@810	1857	}
jaroslav@810	1858	}
jaroslav@810	1859
jaroslav@810	1860	/**
jaroslav@810	1861	* Read StackMap attribute info.
jaroslav@810	1862	*/
jaroslav@810	1863	void readStackMap(DataInputStream in) throws IOException {
jaroslav@810	1864	int attr_len = in.readInt(); //attr_length
jaroslav@810	1865	int stack_map_len = in.readUnsignedShort();
jaroslav@810	1866	stackMap = new StackMapData[stack_map_len];
jaroslav@810	1867	for (int i = 0; i < stack_map_len; i++) {
jaroslav@810	1868	stackMap[i] = new StackMapData(in, this);
jaroslav@810	1869	}
jaroslav@810	1870	}
jaroslav@1640	1871
jaroslav@810	1872	/**
jaroslav@810	1873	* Return access of the method.
jaroslav@810	1874	*/
jaroslav@810	1875	public int getAccess() {
jaroslav@810	1876	return access;
jaroslav@810	1877	}
jaroslav@810	1878
jaroslav@810	1879	/**
jaroslav@810	1880	* Return name of the method.
jaroslav@810	1881	*/
jaroslav@810	1882	public String getName() {
jaroslav@810	1883	return cls.getStringValue(name_index);
jaroslav@810	1884	}
jaroslav@810	1885
jaroslav@810	1886	/**
jaroslav@810	1887	* Return internal siganature of the method.
jaroslav@810	1888	*/
jaroslav@810	1889	public String getInternalSig() {
jaroslav@810	1890	return cls.getStringValue(descriptor_index);
jaroslav@810	1891	}
jaroslav@810	1892
jaroslav@810	1893	/**
jaroslav@810	1894	* Return code attribute data of a method.
jaroslav@810	1895	*/
jaroslav@810	1896	public byte[] getCode() {
jaroslav@810	1897	return code;
jaroslav@810	1898	}
jaroslav@810	1899
jaroslav@810	1900	/**
jaroslav@810	1901	* Return LineNumberTable size.
jaroslav@810	1902	*/
jaroslav@810	1903	public int getnumlines() {
jaroslav@810	1904	return lin_num_tb.size();
jaroslav@810	1905	}
jaroslav@810	1906
jaroslav@810	1907	/**
jaroslav@810	1908	* Return LineNumberTable
jaroslav@810	1909	*/
jaroslav@810	1910	public Vector getlin_num_tb() {
jaroslav@810	1911	return lin_num_tb;
jaroslav@810	1912	}
jaroslav@810	1913
jaroslav@810	1914	/**
jaroslav@810	1915	* Return LocalVariableTable size.
jaroslav@810	1916	*/
jaroslav@810	1917	public int getloc_var_tbsize() {
jaroslav@810	1918	return loc_var_tb.size();
jaroslav@810	1919	}
jaroslav@810	1920
jaroslav@810	1921	/**
jaroslav@810	1922	* Return LocalVariableTable.
jaroslav@810	1923	*/
jaroslav@810	1924	public Vector getloc_var_tb() {
jaroslav@810	1925	return loc_var_tb;
jaroslav@810	1926	}
jaroslav@810	1927
jaroslav@810	1928	/**
jaroslav@810	1929	* Return StackMap.
jaroslav@810	1930	*/
jaroslav@810	1931	public StackMapData[] getStackMap() {
jaroslav@810	1932	return stackMap;
jaroslav@810	1933	}
jaroslav@810	1934
jaroslav@810	1935	/**
jaroslav@810	1936	* Return StackMapTable.
jaroslav@810	1937	*/
jaroslav@810	1938	public StackMapTableData[] getStackMapTable() {
jaroslav@810	1939	return stackMapTable;
jaroslav@810	1940	}
jaroslav@810	1941
jaroslav@810	1942	public StackMapIterator createStackMapIterator() {
jaroslav@810	1943	return new StackMapIterator(this);
jaroslav@810	1944	}
jaroslav@810	1945
jaroslav@810	1946	/**
jaroslav@810	1947	* Return true if method is static
jaroslav@810	1948	*/
jaroslav@810	1949	public boolean isStatic() {
jaroslav@810	1950	if ((access & ACC_STATIC) != 0) {
jaroslav@810	1951	return true;
jaroslav@810	1952	}
jaroslav@810	1953	return false;
jaroslav@810	1954	}
jaroslav@810	1955
jaroslav@810	1956	/**
jaroslav@810	1957	* Return max depth of operand stack.
jaroslav@810	1958	*/
jaroslav@810	1959	public int getMaxStack() {
jaroslav@810	1960	return max_stack;
jaroslav@810	1961	}
jaroslav@810	1962
jaroslav@810	1963	/**
jaroslav@810	1964	* Return number of local variables.
jaroslav@810	1965	*/
jaroslav@810	1966	public int getMaxLocals() {
jaroslav@810	1967	return max_locals;
jaroslav@810	1968	}
jaroslav@810	1969
jaroslav@810	1970	/**
jaroslav@810	1971	* Return exception index table in Exception attribute.
jaroslav@810	1972	*/
jaroslav@810	1973	public int[] get_exc_index_table() {
jaroslav@810	1974	return exc_index_table;
jaroslav@810	1975	}
jaroslav@810	1976
jaroslav@810	1977	/**
jaroslav@810	1978	* Return exception table in code attributre.
jaroslav@810	1979	*/
jaroslav@810	1980	public TrapDataIterator getTrapDataIterator() {
jaroslav@810	1981	return new TrapDataIterator(exception_table);
jaroslav@810	1982	}
jaroslav@810	1983
jaroslav@810	1984	/**
jaroslav@810	1985	* Return method attributes.
jaroslav@810	1986	*/
jaroslav@810	1987	public Vector getAttributes() {
jaroslav@810	1988	return attrs;
jaroslav@810	1989	}
jaroslav@810	1990
jaroslav@810	1991	/**
jaroslav@810	1992	* Return code attributes.
jaroslav@810	1993	*/
jaroslav@810	1994	public Vector getCodeAttributes() {
jaroslav@810	1995	return code_attrs;
jaroslav@810	1996	}
jaroslav@810	1997
jaroslav@810	1998	/**
jaroslav@810	1999	* Return true if method id synthetic.
jaroslav@810	2000	*/
jaroslav@810	2001	public boolean isSynthetic() {
jaroslav@810	2002	return isSynthetic;
jaroslav@810	2003	}
jaroslav@810	2004
jaroslav@810	2005	/**
jaroslav@810	2006	* Return true if method is deprecated.
jaroslav@810	2007	*/
jaroslav@810	2008	public boolean isDeprecated() {
jaroslav@810	2009	return isDeprecated;
jaroslav@810	2010	}
jaroslav@810	2011
jaroslav@810	2012	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	2013	String n = classRetention
jaroslav@810	2014	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	2015	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	2016	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	2017	attrs.copyInto(arr);
jaroslav@810	2018	return ClassData.findAttr(n, arr);
jaroslav@810	2019	}
jaroslav@810	2020
jaroslav@810	2021	public boolean isConstructor() {
jaroslav@810	2022	return "<init>".equals(getName());
jaroslav@810	2023	}
jaroslav@810	2024	}
jaroslav@810	2025
jaroslav@810	2026	/* represents one entry of StackMap attribute
jaroslav@810	2027	*/
jaroslav@810	2028	private static class StackMapData {
jaroslav@810	2029
jaroslav@810	2030	final int offset;
jaroslav@810	2031	final int[] locals;
jaroslav@810	2032	final int[] stack;
jaroslav@810	2033
jaroslav@810	2034	StackMapData(int offset, int[] locals, int[] stack) {
jaroslav@810	2035	this.offset = offset;
jaroslav@810	2036	this.locals = locals;
jaroslav@810	2037	this.stack = stack;
jaroslav@810	2038	}
jaroslav@810	2039
jaroslav@810	2040	StackMapData(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2041	offset = in.readUnsignedShort();
jaroslav@810	2042	int local_size = in.readUnsignedShort();
jaroslav@810	2043	locals = readTypeArray(in, local_size, method);
jaroslav@810	2044	int stack_size = in.readUnsignedShort();
jaroslav@810	2045	stack = readTypeArray(in, stack_size, method);
jaroslav@810	2046	}
jaroslav@810	2047
jaroslav@810	2048	static final int[] readTypeArray(DataInputStream in, int length, MethodData method) throws IOException {
jaroslav@810	2049	int[] types = new int[length];
jaroslav@810	2050	for (int i = 0; i < length; i++) {
jaroslav@810	2051	types[i] = readType(in, method);
jaroslav@810	2052	}
jaroslav@810	2053	return types;
jaroslav@810	2054	}
jaroslav@810	2055
jaroslav@810	2056	static final int readType(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2057	int type = in.readUnsignedByte();
jaroslav@810	2058	if (type == ITEM_Object \|\| type == ITEM_NewObject) {
jaroslav@810	2059	type = type \| (in.readUnsignedShort() << 8);
jaroslav@810	2060	}
jaroslav@810	2061	return type;
jaroslav@810	2062	}
jaroslav@810	2063	}
jaroslav@810	2064
jaroslav@810	2065	static final class StackMapIterator {
jaroslav@810	2066
jaroslav@810	2067	private final StackMapTableData[] stackMapTable;
jaroslav@810	2068	private final TypeArray argTypes;
jaroslav@810	2069	private final TypeArray localTypes;
jaroslav@810	2070	private final TypeArray stackTypes;
jaroslav@810	2071	private int nextFrameIndex;
jaroslav@810	2072	private int lastFrameByteCodeOffset;
jaroslav@810	2073	private int byteCodeOffset;
jaroslav@810	2074
jaroslav@810	2075	StackMapIterator(final MethodData methodData) {
jaroslav@810	2076	this(methodData.getStackMapTable(),
jaroslav@810	2077	methodData.getInternalSig(),
jaroslav@810	2078	methodData.isStatic());
jaroslav@810	2079	}
jaroslav@810	2080
jaroslav@810	2081	StackMapIterator(final StackMapTableData[] stackMapTable,
jaroslav@810	2082	final String methodSignature,
jaroslav@810	2083	final boolean isStaticMethod) {
jaroslav@810	2084	this.stackMapTable = (stackMapTable != null)
jaroslav@810	2085	? stackMapTable
jaroslav@810	2086	: new StackMapTableData[0];
jaroslav@810	2087
jaroslav@810	2088	argTypes = getArgTypes(methodSignature, isStaticMethod);
jaroslav@810	2089	localTypes = new TypeArray();
jaroslav@810	2090	stackTypes = new TypeArray();
jaroslav@810	2091
jaroslav@810	2092	localTypes.addAll(argTypes);
jaroslav@810	2093
jaroslav@810	2094	lastFrameByteCodeOffset = -1;
jaroslav@810	2095	advanceBy(0);
jaroslav@810	2096	}
jaroslav@1469	2097
jaroslav@1469	2098	public boolean isEmpty() {
jaroslav@1469	2099	return stackMapTable.length == 0;
jaroslav@1469	2100	}
jaroslav@810	2101
jaroslav@810	2102	public String getFrameAsString() {
jaroslav@810	2103	return (nextFrameIndex == 0)
jaroslav@810	2104	? StackMapTableData.toString("INITIAL", 0, null, null)
jaroslav@810	2105	: stackMapTable[nextFrameIndex - 1].toString();
jaroslav@810	2106	}
jaroslav@810	2107
jaroslav@810	2108	public int getFrameIndex() {
jaroslav@810	2109	return nextFrameIndex;
jaroslav@810	2110	}
jaroslav@810	2111
jaroslav@810	2112	public TypeArray getFrameStack() {
jaroslav@810	2113	return stackTypes;
jaroslav@810	2114	}
jaroslav@810	2115
jaroslav@810	2116	public TypeArray getFrameLocals() {
jaroslav@810	2117	return localTypes;
jaroslav@810	2118	}
jaroslav@810	2119
jaroslav@810	2120	public TypeArray getArguments() {
jaroslav@810	2121	return argTypes;
jaroslav@810	2122	}
jaroslav@810	2123
jaroslav@810	2124	public void advanceBy(final int numByteCodes) {
jaroslav@810	2125	if (numByteCodes < 0) {
jaroslav@810	2126	throw new IllegalStateException("Forward only iterator");
jaroslav@810	2127	}
jaroslav@810	2128
jaroslav@810	2129	byteCodeOffset += numByteCodes;
jaroslav@810	2130	while ((nextFrameIndex < stackMapTable.length)
jaroslav@810	2131	&& ((byteCodeOffset - lastFrameByteCodeOffset)
jaroslav@810	2132	>= (stackMapTable[nextFrameIndex].offsetDelta
jaroslav@810	2133	+ 1))) {
jaroslav@810	2134	final StackMapTableData nextFrame = stackMapTable[nextFrameIndex];
jaroslav@810	2135
jaroslav@810	2136	lastFrameByteCodeOffset += nextFrame.offsetDelta + 1;
jaroslav@810	2137	nextFrame.applyTo(localTypes, stackTypes);
jaroslav@810	2138
jaroslav@810	2139	++nextFrameIndex;
jaroslav@810	2140	}
jaroslav@810	2141	}
jaroslav@810	2142
jaroslav@810	2143	public void advanceTo(final int nextByteCodeOffset) {
jaroslav@810	2144	advanceBy(nextByteCodeOffset - byteCodeOffset);
jaroslav@810	2145	}
jaroslav@810	2146
jaroslav@810	2147	private static TypeArray getArgTypes(final String methodSignature,
jaroslav@810	2148	final boolean isStaticMethod) {
jaroslav@810	2149	final TypeArray argTypes = new TypeArray();
jaroslav@810	2150
jaroslav@810	2151	if (!isStaticMethod) {
jaroslav@810	2152	argTypes.add(ITEM_Object);
jaroslav@810	2153	}
jaroslav@810	2154
jaroslav@810	2155	if (methodSignature.charAt(0) != '(') {
jaroslav@810	2156	throw new IllegalArgumentException("Invalid method signature");
jaroslav@810	2157	}
jaroslav@810	2158
jaroslav@810	2159	final int length = methodSignature.length();
jaroslav@810	2160	boolean skipType = false;
jaroslav@810	2161	int argType;
jaroslav@810	2162	for (int i = 1; i < length; ++i) {
jaroslav@810	2163	switch (methodSignature.charAt(i)) {
jaroslav@810	2164	case 'B':
jaroslav@810	2165	case 'C':
jaroslav@810	2166	case 'S':
jaroslav@810	2167	case 'Z':
jaroslav@810	2168	case 'I':
jaroslav@810	2169	argType = ITEM_Integer;
jaroslav@810	2170	break;
jaroslav@810	2171	case 'J':
jaroslav@810	2172	argType = ITEM_Long;
jaroslav@810	2173	break;
jaroslav@810	2174	case 'F':
jaroslav@810	2175	argType = ITEM_Float;
jaroslav@810	2176	break;
jaroslav@810	2177	case 'D':
jaroslav@810	2178	argType = ITEM_Double;
jaroslav@810	2179	break;
jaroslav@810	2180	case 'L': {
jaroslav@810	2181	i = methodSignature.indexOf(';', i + 1);
jaroslav@810	2182	if (i == -1) {
jaroslav@810	2183	throw new IllegalArgumentException(
jaroslav@810	2184	"Invalid method signature");
jaroslav@810	2185	}
jaroslav@810	2186	argType = ITEM_Object;
jaroslav@810	2187	break;
jaroslav@810	2188	}
jaroslav@810	2189	case ')':
jaroslav@810	2190	// not interested in the return value type
jaroslav@810	2191	return argTypes;
jaroslav@810	2192	case '[':
jaroslav@810	2193	if (!skipType) {
jaroslav@810	2194	argTypes.add(ITEM_Object);
jaroslav@810	2195	skipType = true;
jaroslav@810	2196	}
jaroslav@810	2197	continue;
jaroslav@810	2198
jaroslav@810	2199	default:
jaroslav@810	2200	throw new IllegalArgumentException(
jaroslav@810	2201	"Invalid method signature");
jaroslav@810	2202	}
jaroslav@810	2203
jaroslav@810	2204	if (!skipType) {
jaroslav@810	2205	argTypes.add(argType);
jaroslav@810	2206	} else {
jaroslav@810	2207	skipType = false;
jaroslav@810	2208	}
jaroslav@810	2209	}
jaroslav@810	2210
jaroslav@810	2211	return argTypes;
jaroslav@810	2212	}
jaroslav@810	2213	}
jaroslav@810	2214	/* represents one entry of StackMapTable attribute
jaroslav@810	2215	*/
jaroslav@810	2216
jaroslav@810	2217	private static abstract class StackMapTableData {
jaroslav@810	2218
jaroslav@810	2219	final int frameType;
jaroslav@810	2220	int offsetDelta;
jaroslav@810	2221
jaroslav@810	2222	StackMapTableData(int frameType) {
jaroslav@810	2223	this.frameType = frameType;
jaroslav@810	2224	}
jaroslav@810	2225
jaroslav@810	2226	abstract void applyTo(TypeArray localTypes, TypeArray stackTypes);
jaroslav@810	2227
jaroslav@810	2228	protected static String toString(
jaroslav@810	2229	final String frameType,
jaroslav@810	2230	final int offset,
jaroslav@810	2231	final int[] localTypes,
jaroslav@810	2232	final int[] stackTypes) {
jaroslav@810	2233	final StringBuilder sb = new StringBuilder(frameType);
jaroslav@810	2234
jaroslav@810	2235	sb.append("(off: +").append(offset);
jaroslav@810	2236	if (localTypes != null) {
jaroslav@810	2237	sb.append(", locals: ");
jaroslav@810	2238	appendTypes(sb, localTypes);
jaroslav@810	2239	}
jaroslav@810	2240	if (stackTypes != null) {
jaroslav@810	2241	sb.append(", stack: ");
jaroslav@810	2242	appendTypes(sb, stackTypes);
jaroslav@810	2243	}
jaroslav@810	2244	sb.append(')');
jaroslav@810	2245
jaroslav@810	2246	return sb.toString();
jaroslav@810	2247	}
jaroslav@810	2248
jaroslav@810	2249	private static void appendTypes(final StringBuilder sb, final int[] types) {
jaroslav@810	2250	sb.append('[');
jaroslav@810	2251	if (types.length > 0) {
jaroslav@810	2252	sb.append(TypeArray.typeString(types[0]));
jaroslav@810	2253	for (int i = 1; i < types.length; ++i) {
jaroslav@810	2254	sb.append(", ");
jaroslav@810	2255	sb.append(TypeArray.typeString(types[i]));
jaroslav@810	2256	}
jaroslav@810	2257	}
jaroslav@810	2258	sb.append(']');
jaroslav@810	2259	}
jaroslav@810	2260
jaroslav@810	2261	private static class SameFrame extends StackMapTableData {
jaroslav@810	2262
jaroslav@810	2263	SameFrame(int frameType, int offsetDelta) {
jaroslav@810	2264	super(frameType);
jaroslav@810	2265	this.offsetDelta = offsetDelta;
jaroslav@810	2266	}
jaroslav@810	2267
jaroslav@810	2268	@Override
jaroslav@810	2269	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2270	stackTypes.clear();
jaroslav@810	2271	}
jaroslav@810	2272
jaroslav@810	2273	@Override
jaroslav@810	2274	public String toString() {
jaroslav@810	2275	return toString("SAME" + ((frameType == SAME_FRAME_EXTENDED)
jaroslav@810	2276	? "_FRAME_EXTENDED" : ""),
jaroslav@810	2277	offsetDelta,
jaroslav@810	2278	null, null);
jaroslav@810	2279	}
jaroslav@810	2280	}
jaroslav@810	2281
jaroslav@810	2282	private static class SameLocals1StackItem extends StackMapTableData {
jaroslav@810	2283
jaroslav@810	2284	final int[] stack;
jaroslav@810	2285
jaroslav@810	2286	SameLocals1StackItem(int frameType, int offsetDelta, int[] stack) {
jaroslav@810	2287	super(frameType);
jaroslav@810	2288	this.offsetDelta = offsetDelta;
jaroslav@810	2289	this.stack = stack;
jaroslav@810	2290	}
jaroslav@810	2291
jaroslav@810	2292	@Override
jaroslav@810	2293	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2294	stackTypes.setAll(stack);
jaroslav@810	2295	}
jaroslav@810	2296
jaroslav@810	2297	@Override
jaroslav@810	2298	public String toString() {
jaroslav@810	2299	return toString(
jaroslav@810	2300	"SAME_LOCALS_1_STACK_ITEM"
jaroslav@810	2301	+ ((frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED)
jaroslav@810	2302	? "_EXTENDED" : ""),
jaroslav@810	2303	offsetDelta,
jaroslav@810	2304	null, stack);
jaroslav@810	2305	}
jaroslav@810	2306	}
jaroslav@810	2307
jaroslav@810	2308	private static class ChopFrame extends StackMapTableData {
jaroslav@810	2309
jaroslav@810	2310	ChopFrame(int frameType, int offsetDelta) {
jaroslav@810	2311	super(frameType);
jaroslav@810	2312	this.offsetDelta = offsetDelta;
jaroslav@810	2313	}
jaroslav@810	2314
jaroslav@810	2315	@Override
jaroslav@810	2316	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2317	localTypes.setSize(localTypes.getSize()
jaroslav@810	2318	- (SAME_FRAME_EXTENDED - frameType));
jaroslav@810	2319	stackTypes.clear();
jaroslav@810	2320	}
jaroslav@810	2321
jaroslav@810	2322	@Override
jaroslav@810	2323	public String toString() {
jaroslav@810	2324	return toString("CHOP", offsetDelta, null, null);
jaroslav@810	2325	}
jaroslav@810	2326	}
jaroslav@810	2327
jaroslav@810	2328	private static class AppendFrame extends StackMapTableData {
jaroslav@810	2329
jaroslav@810	2330	final int[] locals;
jaroslav@810	2331
jaroslav@810	2332	AppendFrame(int frameType, int offsetDelta, int[] locals) {
jaroslav@810	2333	super(frameType);
jaroslav@810	2334	this.offsetDelta = offsetDelta;
jaroslav@810	2335	this.locals = locals;
jaroslav@810	2336	}
jaroslav@810	2337
jaroslav@810	2338	@Override
jaroslav@810	2339	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2340	localTypes.addAll(locals);
jaroslav@810	2341	stackTypes.clear();
jaroslav@810	2342	}
jaroslav@810	2343
jaroslav@810	2344	@Override
jaroslav@810	2345	public String toString() {
jaroslav@810	2346	return toString("APPEND", offsetDelta, locals, null);
jaroslav@810	2347	}
jaroslav@810	2348	}
jaroslav@810	2349
jaroslav@810	2350	private static class FullFrame extends StackMapTableData {
jaroslav@810	2351
jaroslav@810	2352	final int[] locals;
jaroslav@810	2353	final int[] stack;
jaroslav@810	2354
jaroslav@810	2355	FullFrame(int offsetDelta, int[] locals, int[] stack) {
jaroslav@810	2356	super(FULL_FRAME);
jaroslav@810	2357	this.offsetDelta = offsetDelta;
jaroslav@810	2358	this.locals = locals;
jaroslav@810	2359	this.stack = stack;
jaroslav@810	2360	}
jaroslav@810	2361
jaroslav@810	2362	@Override
jaroslav@810	2363	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2364	localTypes.setAll(locals);
jaroslav@810	2365	stackTypes.setAll(stack);
jaroslav@810	2366	}
jaroslav@810	2367
jaroslav@810	2368	@Override
jaroslav@810	2369	public String toString() {
jaroslav@810	2370	return toString("FULL", offsetDelta, locals, stack);
jaroslav@810	2371	}
jaroslav@810	2372	}
jaroslav@810	2373
jaroslav@810	2374	static StackMapTableData getInstance(DataInputStream in, MethodData method)
jaroslav@810	2375	throws IOException {
jaroslav@810	2376	int frameType = in.readUnsignedByte();
jaroslav@810	2377
jaroslav@810	2378	if (frameType < SAME_FRAME_BOUND) {
jaroslav@810	2379	// same_frame
jaroslav@810	2380	return new SameFrame(frameType, frameType);
jaroslav@810	2381	} else if (SAME_FRAME_BOUND <= frameType && frameType < SAME_LOCALS_1_STACK_ITEM_BOUND) {
jaroslav@810	2382	// same_locals_1_stack_item_frame
jaroslav@810	2383	// read additional single stack element
jaroslav@810	2384	return new SameLocals1StackItem(frameType,
jaroslav@810	2385	(frameType - SAME_FRAME_BOUND),
jaroslav@810	2386	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2387	} else if (frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED) {
jaroslav@810	2388	// same_locals_1_stack_item_extended
jaroslav@810	2389	return new SameLocals1StackItem(frameType,
jaroslav@810	2390	in.readUnsignedShort(),
jaroslav@810	2391	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	2392	} else if (SAME_LOCALS_1_STACK_ITEM_EXTENDED < frameType && frameType < SAME_FRAME_EXTENDED) {
jaroslav@810	2393	// chop_frame or same_frame_extended
jaroslav@810	2394	return new ChopFrame(frameType, in.readUnsignedShort());
jaroslav@810	2395	} else if (frameType == SAME_FRAME_EXTENDED) {
jaroslav@810	2396	// chop_frame or same_frame_extended
jaroslav@810	2397	return new SameFrame(frameType, in.readUnsignedShort());
jaroslav@810	2398	} else if (SAME_FRAME_EXTENDED < frameType && frameType < FULL_FRAME) {
jaroslav@810	2399	// append_frame
jaroslav@810	2400	return new AppendFrame(frameType, in.readUnsignedShort(),
jaroslav@810	2401	StackMapData.readTypeArray(in, frameType - SAME_FRAME_EXTENDED, method));
jaroslav@810	2402	} else if (frameType == FULL_FRAME) {
jaroslav@810	2403	// full_frame
jaroslav@810	2404	int offsetDelta = in.readUnsignedShort();
jaroslav@810	2405	int locals_size = in.readUnsignedShort();
jaroslav@810	2406	int[] locals = StackMapData.readTypeArray(in, locals_size, method);
jaroslav@810	2407	int stack_size = in.readUnsignedShort();
jaroslav@810	2408	int[] stack = StackMapData.readTypeArray(in, stack_size, method);
jaroslav@810	2409	return new FullFrame(offsetDelta, locals, stack);
jaroslav@810	2410	} else {
jaroslav@810	2411	throw new ClassFormatError("unrecognized frame_type in StackMapTable");
jaroslav@810	2412	}
jaroslav@810	2413	}
jaroslav@810	2414	}
jaroslav@810	2415
jaroslav@810	2416	/**
jaroslav@810	2417	* Stores exception table data in code attribute.
jaroslav@810	2418	*
jaroslav@810	2419	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2420	*/
jaroslav@810	2421	static final class TrapData {
jaroslav@810	2422
jaroslav@810	2423	public final short start_pc;
jaroslav@810	2424	public final short end_pc;
jaroslav@810	2425	public final short handler_pc;
jaroslav@810	2426	public final short catch_cpx;
jaroslav@810	2427	final int num;
jaroslav@810	2428
jaroslav@810	2429	/**
jaroslav@810	2430	* Read and store exception table data in code attribute.
jaroslav@810	2431	*/
jaroslav@810	2432	TrapData(DataInputStream in, int num) throws IOException {
jaroslav@810	2433	this.num = num;
jaroslav@810	2434	start_pc = in.readShort();
jaroslav@810	2435	end_pc = in.readShort();
jaroslav@810	2436	handler_pc = in.readShort();
jaroslav@810	2437	catch_cpx = in.readShort();
jaroslav@810	2438	}
jaroslav@810	2439
jaroslav@810	2440	/**
jaroslav@810	2441	* returns recommended identifier
jaroslav@810	2442	*/
jaroslav@810	2443	public String ident() {
jaroslav@810	2444	return "t" + num;
jaroslav@810	2445	}
jaroslav@810	2446	}
jaroslav@810	2447	/**
jaroslav@810	2448	*
jaroslav@810	2449	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2450	*/
jaroslav@810	2451	static final class TrapDataIterator {
jaroslav@810	2452
jaroslav@810	2453	private final Hashtable exStart = new Hashtable();
jaroslav@810	2454	private final Hashtable exStop = new Hashtable();
jaroslav@810	2455	private TrapData[] current = new TrapData[10];
jaroslav@810	2456	private int currentCount;
jaroslav@810	2457
jaroslav@810	2458	TrapDataIterator(Vector exceptionTable) {
jaroslav@810	2459	for (int i = 0; i < exceptionTable.size(); i++) {
jaroslav@810	2460	final TrapData td = (TrapData) exceptionTable.elementAt(i);
jaroslav@810	2461	put(exStart, td.start_pc, td);
jaroslav@810	2462	put(exStop, td.end_pc, td);
jaroslav@810	2463	}
jaroslav@810	2464	}
jaroslav@810	2465
jaroslav@810	2466	private static void put(Hashtable h, short key, TrapData td) {
jaroslav@810	2467	Short s = Short.valueOf((short) key);
jaroslav@810	2468	Vector v = (Vector) h.get(s);
jaroslav@810	2469	if (v == null) {
jaroslav@810	2470	v = new Vector(1);
jaroslav@810	2471	h.put(s, v);
jaroslav@810	2472	}
jaroslav@810	2473	v.add(td);
jaroslav@810	2474	}
jaroslav@810	2475
jaroslav@810	2476	private boolean processAll(Hashtable h, Short key, boolean add) {
jaroslav@810	2477	boolean change = false;
jaroslav@810	2478	Vector v = (Vector) h.get(key);
jaroslav@810	2479	if (v != null) {
jaroslav@810	2480	int s = v.size();
jaroslav@810	2481	for (int i = 0; i < s; i++) {
jaroslav@810	2482	TrapData td = (TrapData) v.elementAt(i);
jaroslav@810	2483	if (add) {
jaroslav@810	2484	add(td);
jaroslav@810	2485	change = true;
jaroslav@810	2486	} else {
jaroslav@810	2487	remove(td);
jaroslav@810	2488	change = true;
jaroslav@810	2489	}
jaroslav@810	2490	}
jaroslav@810	2491	}
jaroslav@810	2492	return change;
jaroslav@810	2493	}
jaroslav@810	2494
jaroslav@810	2495	public boolean advanceTo(int i) {
jaroslav@810	2496	Short s = Short.valueOf((short) i);
jaroslav@810	2497	boolean ch1 = processAll(exStart, s, true);
jaroslav@810	2498	boolean ch2 = processAll(exStop, s, false);
jaroslav@810	2499	return ch1 \|\| ch2;
jaroslav@810	2500	}
jaroslav@810	2501
jaroslav@810	2502	public boolean useTry() {
jaroslav@810	2503	return currentCount > 0;
jaroslav@810	2504	}
jaroslav@810	2505
jaroslav@810	2506	public TrapData[] current() {
jaroslav@810	2507	TrapData[] copy = new TrapData[currentCount];
jaroslav@810	2508	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2509	copy[i] = current[i];
jaroslav@810	2510	}
jaroslav@810	2511	return copy;
jaroslav@810	2512	}
jaroslav@810	2513
jaroslav@810	2514	private void add(TrapData e) {
jaroslav@810	2515	if (currentCount == current.length) {
jaroslav@810	2516	TrapData[] data = new TrapData[currentCount * 2];
jaroslav@810	2517	for (int i = 0; i < currentCount; i++) {
jaroslav@810	2518	data[i] = current[i];
jaroslav@810	2519	}
jaroslav@810	2520	current = data;
jaroslav@810	2521	}
jaroslav@810	2522	current[currentCount++] = e;
jaroslav@810	2523	}
jaroslav@810	2524
jaroslav@810	2525	private void remove(TrapData e) {
jaroslav@810	2526	if (currentCount == 0) {
jaroslav@810	2527	return;
jaroslav@810	2528	}
jaroslav@810	2529	int from = 0;
jaroslav@810	2530	while (from < currentCount) {
jaroslav@810	2531	if (e == current[from++]) {
jaroslav@810	2532	break;
jaroslav@810	2533	}
jaroslav@810	2534	}
jaroslav@810	2535	while (from < currentCount) {
jaroslav@810	2536	current[from - 1] = current[from];
jaroslav@810	2537	current[from] = null;
jaroslav@810	2538	from++;
jaroslav@810	2539	}
jaroslav@810	2540	currentCount--;
jaroslav@810	2541	}
jaroslav@810	2542	}
jaroslav@810	2543	static final class TypeArray {
jaroslav@810	2544
jaroslav@810	2545	private static final int CAPACITY_INCREMENT = 16;
jaroslav@810	2546	private int[] types;
jaroslav@810	2547	private int size;
jaroslav@810	2548
jaroslav@810	2549	public TypeArray() {
jaroslav@810	2550	}
jaroslav@810	2551
jaroslav@810	2552	public TypeArray(final TypeArray initialTypes) {
jaroslav@810	2553	setAll(initialTypes);
jaroslav@810	2554	}
jaroslav@810	2555
jaroslav@810	2556	public void add(final int newType) {
jaroslav@810	2557	ensureCapacity(size + 1);
jaroslav@810	2558	types[size++] = newType;
jaroslav@810	2559	}
jaroslav@810	2560
jaroslav@810	2561	public void addAll(final TypeArray newTypes) {
jaroslav@810	2562	addAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2563	}
jaroslav@810	2564
jaroslav@810	2565	public void addAll(final int[] newTypes) {
jaroslav@810	2566	addAll(newTypes, 0, newTypes.length);
jaroslav@810	2567	}
jaroslav@810	2568
jaroslav@810	2569	public void addAll(final int[] newTypes,
jaroslav@810	2570	final int offset,
jaroslav@810	2571	final int count) {
jaroslav@810	2572	if (count > 0) {
jaroslav@810	2573	ensureCapacity(size + count);
jaroslav@810	2574	arraycopy(newTypes, offset, types, size, count);
jaroslav@810	2575	size += count;
jaroslav@810	2576	}
jaroslav@810	2577	}
jaroslav@810	2578
jaroslav@810	2579	public void set(final int index, final int newType) {
jaroslav@810	2580	types[index] = newType;
jaroslav@810	2581	}
jaroslav@810	2582
jaroslav@810	2583	public void setAll(final TypeArray newTypes) {
jaroslav@810	2584	setAll(newTypes.types, 0, newTypes.size);
jaroslav@810	2585	}
jaroslav@810	2586
jaroslav@810	2587	public void setAll(final int[] newTypes) {
jaroslav@810	2588	setAll(newTypes, 0, newTypes.length);
jaroslav@810	2589	}
jaroslav@810	2590
jaroslav@810	2591	public void setAll(final int[] newTypes,
jaroslav@810	2592	final int offset,
jaroslav@810	2593	final int count) {
jaroslav@810	2594	if (count > 0) {
jaroslav@810	2595	ensureCapacity(count);
jaroslav@810	2596	arraycopy(newTypes, offset, types, 0, count);
jaroslav@810	2597	size = count;
jaroslav@810	2598	} else {
jaroslav@810	2599	clear();
jaroslav@810	2600	}
jaroslav@810	2601	}
jaroslav@810	2602
jaroslav@810	2603	public void setSize(final int newSize) {
jaroslav@810	2604	if (size != newSize) {
jaroslav@810	2605	ensureCapacity(newSize);
jaroslav@810	2606
jaroslav@810	2607	for (int i = size; i < newSize; ++i) {
jaroslav@810	2608	types[i] = 0;
jaroslav@810	2609	}
jaroslav@810	2610	size = newSize;
jaroslav@810	2611	}
jaroslav@810	2612	}
jaroslav@810	2613
jaroslav@810	2614	public void clear() {
jaroslav@810	2615	size = 0;
jaroslav@810	2616	}
jaroslav@810	2617
jaroslav@810	2618	public int getSize() {
jaroslav@810	2619	return size;
jaroslav@810	2620	}
jaroslav@810	2621
jaroslav@810	2622	public int get(final int index) {
jaroslav@810	2623	return types[index];
jaroslav@810	2624	}
jaroslav@810	2625
jaroslav@810	2626	public static String typeString(final int type) {
jaroslav@810	2627	switch (type & 0xff) {
jaroslav@810	2628	case ITEM_Bogus:
jaroslav@810	2629	return "_top_";
jaroslav@810	2630	case ITEM_Integer:
jaroslav@810	2631	return "_int_";
jaroslav@810	2632	case ITEM_Float:
jaroslav@810	2633	return "_float_";
jaroslav@810	2634	case ITEM_Double:
jaroslav@810	2635	return "_double_";
jaroslav@810	2636	case ITEM_Long:
jaroslav@810	2637	return "_long_";
jaroslav@810	2638	case ITEM_Null:
jaroslav@810	2639	return "_null_";
jaroslav@810	2640	case ITEM_InitObject: // UninitializedThis
jaroslav@810	2641	return "_init_";
jaroslav@810	2642	case ITEM_Object:
jaroslav@810	2643	return "_object_";
jaroslav@810	2644	case ITEM_NewObject: // Uninitialized
jaroslav@810	2645	return "_new_";
jaroslav@810	2646	default:
jaroslav@810	2647	throw new IllegalArgumentException("Unknown type");
jaroslav@810	2648	}
jaroslav@810	2649	}
jaroslav@810	2650
jaroslav@810	2651	@Override
jaroslav@810	2652	public String toString() {
jaroslav@810	2653	final StringBuilder sb = new StringBuilder("[");
jaroslav@810	2654	if (size > 0) {
jaroslav@810	2655	sb.append(typeString(types[0]));
jaroslav@810	2656	for (int i = 1; i < size; ++i) {
jaroslav@810	2657	sb.append(", ");
jaroslav@810	2658	sb.append(typeString(types[i]));
jaroslav@810	2659	}
jaroslav@810	2660	}
jaroslav@810	2661
jaroslav@810	2662	return sb.append(']').toString();
jaroslav@810	2663	}
jaroslav@810	2664
jaroslav@810	2665	private void ensureCapacity(final int minCapacity) {
jaroslav@810	2666	if ((minCapacity == 0)
jaroslav@810	2667	\|\| (types != null) && (minCapacity <= types.length)) {
jaroslav@810	2668	return;
jaroslav@810	2669	}
jaroslav@810	2670
jaroslav@810	2671	final int newCapacity =
jaroslav@810	2672	((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
jaroslav@810	2673	* CAPACITY_INCREMENT;
jaroslav@810	2674	final int[] newTypes = new int[newCapacity];
jaroslav@810	2675
jaroslav@810	2676	if (size > 0) {
jaroslav@810	2677	arraycopy(types, 0, newTypes, 0, size);
jaroslav@810	2678	}
jaroslav@810	2679
jaroslav@810	2680	types = newTypes;
jaroslav@810	2681	}
jaroslav@810	2682
jaroslav@810	2683	// no System.arraycopy
jaroslav@810	2684	private void arraycopy(final int[] src, final int srcPos,
jaroslav@810	2685	final int[] dest, final int destPos,
jaroslav@810	2686	final int length) {
jaroslav@810	2687	for (int i = 0; i < length; ++i) {
jaroslav@810	2688	dest[destPos + i] = src[srcPos + i];
jaroslav@810	2689	}
jaroslav@810	2690	}
jaroslav@810	2691	}
jaroslav@810	2692	/**
jaroslav@810	2693	* A JavaScript ready replacement for java.util.Vector
jaroslav@810	2694	*
jaroslav@810	2695	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2696	*/
jaroslav@810	2697	@JavaScriptPrototype(prototype = "new Array")
jaroslav@810	2698	private static final class Vector {
jaroslav@810	2699
jaroslav@810	2700	private Object[] arr;
jaroslav@810	2701
jaroslav@810	2702	Vector() {
jaroslav@810	2703	}
jaroslav@810	2704
jaroslav@810	2705	Vector(int i) {
jaroslav@810	2706	}
jaroslav@810	2707
jaroslav@810	2708	void add(Object objectType) {
jaroslav@810	2709	addElement(objectType);
jaroslav@810	2710	}
jaroslav@810	2711
jaroslav@810	2712	@JavaScriptBody(args = {"obj"}, body =
jaroslav@810	2713	"this.push(obj);")
jaroslav@810	2714	void addElement(Object obj) {
jaroslav@810	2715	final int s = size();
jaroslav@810	2716	setSize(s + 1);
jaroslav@810	2717	setElementAt(obj, s);
jaroslav@810	2718	}
jaroslav@810	2719
jaroslav@810	2720	@JavaScriptBody(args = {}, body =
jaroslav@810	2721	"return this.length;")
jaroslav@810	2722	int size() {
jaroslav@810	2723	return arr == null ? 0 : arr.length;
jaroslav@810	2724	}
jaroslav@810	2725
jaroslav@810	2726	@JavaScriptBody(args = {"newArr"}, body =
jaroslav@810	2727	"for (var i = 0; i < this.length; i++) {\n"
jaroslav@810	2728	+ " newArr[i] = this[i];\n"
jaroslav@810	2729	+ "}\n")
jaroslav@810	2730	void copyInto(Object[] newArr) {
jaroslav@810	2731	if (arr == null) {
jaroslav@810	2732	return;
jaroslav@810	2733	}
jaroslav@810	2734	int min = Math.min(newArr.length, arr.length);
jaroslav@810	2735	for (int i = 0; i < min; i++) {
jaroslav@810	2736	newArr[i] = arr[i];
jaroslav@810	2737	}
jaroslav@810	2738	}
jaroslav@810	2739
jaroslav@810	2740	@JavaScriptBody(args = {"index"}, body =
jaroslav@810	2741	"return this[index];")
jaroslav@810	2742	Object elementAt(int index) {
jaroslav@810	2743	return arr[index];
jaroslav@810	2744	}
jaroslav@810	2745
jaroslav@810	2746	private void setSize(int len) {
jaroslav@810	2747	Object[] newArr = new Object[len];
jaroslav@810	2748	copyInto(newArr);
jaroslav@810	2749	arr = newArr;
jaroslav@810	2750	}
jaroslav@810	2751
jaroslav@810	2752	@JavaScriptBody(args = {"val", "index"}, body =
jaroslav@810	2753	"this[index] = val;")
jaroslav@810	2754	void setElementAt(Object val, int index) {
jaroslav@810	2755	arr[index] = val;
jaroslav@810	2756	}
jaroslav@810	2757	}
jaroslav@810	2758
jaroslav@810	2759	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Wed, 16 Jul 2014 07:57:22 +0200
branch	jdk8
changeset 1642	c178e0bdce5d
parent 1641	2111057af3b2
child 1657	c90c5a9b1900
permissions	-rw-r--r--