hg/bck2brwsr: rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java@43f89d9f7238 (annotated)

jaroslav@810	1	/*
jaroslav@810	2	* Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
jaroslav@810	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jaroslav@810	4	*
jaroslav@810	5	* This code is free software; you can redistribute it and/or modify it
jaroslav@810	6	* under the terms of the GNU General Public License version 2 only, as
jaroslav@810	7	* published by the Free Software Foundation. Oracle designates this
jaroslav@810	8	* particular file as subject to the "Classpath" exception as provided
jaroslav@810	9	* by Oracle in the LICENSE file that accompanied this code.
jaroslav@810	10	*
jaroslav@810	11	* This code is distributed in the hope that it will be useful, but WITHOUT
jaroslav@810	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jaroslav@810	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jaroslav@810	14	* version 2 for more details (a copy is included in the LICENSE file that
jaroslav@810	15	* accompanied this code).
jaroslav@810	16	*
jaroslav@810	17	* You should have received a copy of the GNU General Public License version
jaroslav@810	18	* 2 along with this work; if not, write to the Free Software Foundation,
jaroslav@810	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jaroslav@810	20	*
jaroslav@810	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jaroslav@810	22	* or visit www.oracle.com if you need additional information or have any
jaroslav@810	23	* questions.
jaroslav@810	24	*/
jaroslav@810	25	package org.apidesign.vm4brwsr;
jaroslav@810	26
jaroslav@810	27	import java.io.ByteArrayInputStream;
jaroslav@810	28	import java.io.DataInputStream;
jaroslav@810	29	import java.io.IOException;
jaroslav@810	30	import java.io.InputStream;
jaroslav@810	31	import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@810	32	import org.apidesign.bck2brwsr.core.JavaScriptPrototype;
jaroslav@810	33
jaroslav@810	34	/** This is a byte code parser heavily based on original code of JavaP utility.
jaroslav@810	35	* As such I decided to keep the original Oracle's GPLv2 header.
jaroslav@810	36	*
jaroslav@810	37	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	38	*/
jaroslav@810	39	final class ByteCodeParser {
jaroslav@810	40	private ByteCodeParser() {
jaroslav@810	41	}
jaroslav@810	42	/* Signature Characters */
jaroslav@810	43	public static final char SIGC_VOID = 'V';
jaroslav@810	44	public static final String SIG_VOID = "V";
jaroslav@810	45	public static final char SIGC_BOOLEAN = 'Z';
jaroslav@810	46	public static final String SIG_BOOLEAN = "Z";
jaroslav@810	47	public static final char SIGC_BYTE = 'B';
jaroslav@810	48	public static final String SIG_BYTE = "B";
jaroslav@810	49	public static final char SIGC_CHAR = 'C';
jaroslav@810	50	public static final String SIG_CHAR = "C";
jaroslav@810	51	public static final char SIGC_SHORT = 'S';
jaroslav@810	52	public static final String SIG_SHORT = "S";
jaroslav@810	53	public static final char SIGC_INT = 'I';
jaroslav@810	54	public static final String SIG_INT = "I";
jaroslav@810	55	public static final char SIGC_LONG = 'J';
jaroslav@810	56	public static final String SIG_LONG = "J";
jaroslav@810	57	public static final char SIGC_FLOAT = 'F';
jaroslav@810	58	public static final String SIG_FLOAT = "F";
jaroslav@810	59	public static final char SIGC_DOUBLE = 'D';
jaroslav@810	60	public static final String SIG_DOUBLE = "D";
jaroslav@810	61	public static final char SIGC_ARRAY = '[';
jaroslav@810	62	public static final String SIG_ARRAY = "[";
jaroslav@810	63	public static final char SIGC_CLASS = 'L';
jaroslav@810	64	public static final String SIG_CLASS = "L";
jaroslav@810	65	public static final char SIGC_METHOD = '(';
jaroslav@810	66	public static final String SIG_METHOD = "(";
jaroslav@810	67	public static final char SIGC_ENDCLASS = ';';
jaroslav@810	68	public static final String SIG_ENDCLASS = ";";
jaroslav@810	69	public static final char SIGC_ENDMETHOD = ')';
jaroslav@810	70	public static final String SIG_ENDMETHOD = ")";
jaroslav@810	71	public static final char SIGC_PACKAGE = '/';
jaroslav@810	72	public static final String SIG_PACKAGE = "/";
jaroslav@810	73
jaroslav@810	74	/* Class File Constants */
jaroslav@810	75	public static final int JAVA_MAGIC = 0xcafebabe;
jaroslav@810	76	public static final int JAVA_VERSION = 45;
jaroslav@810	77	public static final int JAVA_MINOR_VERSION = 3;
jaroslav@810	78
jaroslav@810	79	/* Constant table */
jaroslav@810	80	public static final int CONSTANT_UTF8 = 1;
jaroslav@810	81	public static final int CONSTANT_UNICODE = 2;
jaroslav@810	82	public static final int CONSTANT_INTEGER = 3;
jaroslav@810	83	public static final int CONSTANT_FLOAT = 4;
jaroslav@810	84	public static final int CONSTANT_LONG = 5;
jaroslav@810	85	public static final int CONSTANT_DOUBLE = 6;
jaroslav@810	86	public static final int CONSTANT_CLASS = 7;
jaroslav@810	87	public static final int CONSTANT_STRING = 8;
jaroslav@810	88	public static final int CONSTANT_FIELD = 9;
jaroslav@810	89	public static final int CONSTANT_METHOD = 10;
jaroslav@810	90	public static final int CONSTANT_INTERFACEMETHOD = 11;
jaroslav@810	91	public static final int CONSTANT_NAMEANDTYPE = 12;
jaroslav@810	92
jaroslav@810	93	/* Access Flags */
jaroslav@810	94	public static final int ACC_PUBLIC = 0x00000001;
jaroslav@810	95	public static final int ACC_PRIVATE = 0x00000002;
jaroslav@810	96	public static final int ACC_PROTECTED = 0x00000004;
jaroslav@810	97	public static final int ACC_STATIC = 0x00000008;
jaroslav@810	98	public static final int ACC_FINAL = 0x00000010;
jaroslav@810	99	public static final int ACC_SYNCHRONIZED = 0x00000020;
jaroslav@810	100	public static final int ACC_SUPER = 0x00000020;
jaroslav@810	101	public static final int ACC_VOLATILE = 0x00000040;
jaroslav@810	102	public static final int ACC_TRANSIENT = 0x00000080;
jaroslav@810	103	public static final int ACC_NATIVE = 0x00000100;
jaroslav@810	104	public static final int ACC_INTERFACE = 0x00000200;
jaroslav@810	105	public static final int ACC_ABSTRACT = 0x00000400;
jaroslav@810	106	public static final int ACC_STRICT = 0x00000800;
jaroslav@810	107	public static final int ACC_EXPLICIT = 0x00001000;
jaroslav@810	108	public static final int ACC_SYNTHETIC = 0x00010000; // actually, this is an attribute
jaroslav@810	109
jaroslav@810	110	/* Type codes */
jaroslav@810	111	public static final int T_CLASS = 0x00000002;
jaroslav@810	112	public static final int T_BOOLEAN = 0x00000004;
jaroslav@810	113	public static final int T_CHAR = 0x00000005;
jaroslav@810	114	public static final int T_FLOAT = 0x00000006;
jaroslav@810	115	public static final int T_DOUBLE = 0x00000007;
jaroslav@810	116	public static final int T_BYTE = 0x00000008;
jaroslav@810	117	public static final int T_SHORT = 0x00000009;
jaroslav@810	118	public static final int T_INT = 0x0000000a;
jaroslav@810	119	public static final int T_LONG = 0x0000000b;
jaroslav@810	120
jaroslav@810	121	/* Type codes for StackMap attribute */
jaroslav@810	122	public static final int ITEM_Bogus =0; // an unknown or uninitialized value
jaroslav@810	123	public static final int ITEM_Integer =1; // a 32-bit integer
jaroslav@810	124	public static final int ITEM_Float =2; // not used
jaroslav@810	125	public static final int ITEM_Double =3; // not used
jaroslav@810	126	public static final int ITEM_Long =4; // a 64-bit integer
jaroslav@810	127	public static final int ITEM_Null =5; // the type of null
jaroslav@810	128	public static final int ITEM_InitObject =6; // "this" in constructor
jaroslav@810	129	public static final int ITEM_Object =7; // followed by 2-byte index of class name
jaroslav@810	130	public static final int ITEM_NewObject =8; // followed by 2-byte ref to "new"
jaroslav@810	131
jaroslav@810	132	/* Constants used in StackMapTable attribute */
jaroslav@810	133	public static final int SAME_FRAME_BOUND = 64;
jaroslav@810	134	public static final int SAME_LOCALS_1_STACK_ITEM_BOUND = 128;
jaroslav@810	135	public static final int SAME_LOCALS_1_STACK_ITEM_EXTENDED = 247;
jaroslav@810	136	public static final int SAME_FRAME_EXTENDED = 251;
jaroslav@810	137	public static final int FULL_FRAME = 255;
jaroslav@810	138
jaroslav@810	139	/* Opcodes */
jaroslav@810	140	public static final int opc_dead = -2;
jaroslav@810	141	public static final int opc_label = -1;
jaroslav@810	142	public static final int opc_nop = 0;
jaroslav@810	143	public static final int opc_aconst_null = 1;
jaroslav@810	144	public static final int opc_iconst_m1 = 2;
jaroslav@810	145	public static final int opc_iconst_0 = 3;
jaroslav@810	146	public static final int opc_iconst_1 = 4;
jaroslav@810	147	public static final int opc_iconst_2 = 5;
jaroslav@810	148	public static final int opc_iconst_3 = 6;
jaroslav@810	149	public static final int opc_iconst_4 = 7;
jaroslav@810	150	public static final int opc_iconst_5 = 8;
jaroslav@810	151	public static final int opc_lconst_0 = 9;
jaroslav@810	152	public static final int opc_lconst_1 = 10;
jaroslav@810	153	public static final int opc_fconst_0 = 11;
jaroslav@810	154	public static final int opc_fconst_1 = 12;
jaroslav@810	155	public static final int opc_fconst_2 = 13;
jaroslav@810	156	public static final int opc_dconst_0 = 14;
jaroslav@810	157	public static final int opc_dconst_1 = 15;
jaroslav@810	158	public static final int opc_bipush = 16;
jaroslav@810	159	public static final int opc_sipush = 17;
jaroslav@810	160	public static final int opc_ldc = 18;
jaroslav@810	161	public static final int opc_ldc_w = 19;
jaroslav@810	162	public static final int opc_ldc2_w = 20;
jaroslav@810	163	public static final int opc_iload = 21;
jaroslav@810	164	public static final int opc_lload = 22;
jaroslav@810	165	public static final int opc_fload = 23;
jaroslav@810	166	public static final int opc_dload = 24;
jaroslav@810	167	public static final int opc_aload = 25;
jaroslav@810	168	public static final int opc_iload_0 = 26;
jaroslav@810	169	public static final int opc_iload_1 = 27;
jaroslav@810	170	public static final int opc_iload_2 = 28;
jaroslav@810	171	public static final int opc_iload_3 = 29;
jaroslav@810	172	public static final int opc_lload_0 = 30;
jaroslav@810	173	public static final int opc_lload_1 = 31;
jaroslav@810	174	public static final int opc_lload_2 = 32;
jaroslav@810	175	public static final int opc_lload_3 = 33;
jaroslav@810	176	public static final int opc_fload_0 = 34;
jaroslav@810	177	public static final int opc_fload_1 = 35;
jaroslav@810	178	public static final int opc_fload_2 = 36;
jaroslav@810	179	public static final int opc_fload_3 = 37;
jaroslav@810	180	public static final int opc_dload_0 = 38;
jaroslav@810	181	public static final int opc_dload_1 = 39;
jaroslav@810	182	public static final int opc_dload_2 = 40;
jaroslav@810	183	public static final int opc_dload_3 = 41;
jaroslav@810	184	public static final int opc_aload_0 = 42;
jaroslav@810	185	public static final int opc_aload_1 = 43;
jaroslav@810	186	public static final int opc_aload_2 = 44;
jaroslav@810	187	public static final int opc_aload_3 = 45;
jaroslav@810	188	public static final int opc_iaload = 46;
jaroslav@810	189	public static final int opc_laload = 47;
jaroslav@810	190	public static final int opc_faload = 48;
jaroslav@810	191	public static final int opc_daload = 49;
jaroslav@810	192	public static final int opc_aaload = 50;
jaroslav@810	193	public static final int opc_baload = 51;
jaroslav@810	194	public static final int opc_caload = 52;
jaroslav@810	195	public static final int opc_saload = 53;
jaroslav@810	196	public static final int opc_istore = 54;
jaroslav@810	197	public static final int opc_lstore = 55;
jaroslav@810	198	public static final int opc_fstore = 56;
jaroslav@810	199	public static final int opc_dstore = 57;
jaroslav@810	200	public static final int opc_astore = 58;
jaroslav@810	201	public static final int opc_istore_0 = 59;
jaroslav@810	202	public static final int opc_istore_1 = 60;
jaroslav@810	203	public static final int opc_istore_2 = 61;
jaroslav@810	204	public static final int opc_istore_3 = 62;
jaroslav@810	205	public static final int opc_lstore_0 = 63;
jaroslav@810	206	public static final int opc_lstore_1 = 64;
jaroslav@810	207	public static final int opc_lstore_2 = 65;
jaroslav@810	208	public static final int opc_lstore_3 = 66;
jaroslav@810	209	public static final int opc_fstore_0 = 67;
jaroslav@810	210	public static final int opc_fstore_1 = 68;
jaroslav@810	211	public static final int opc_fstore_2 = 69;
jaroslav@810	212	public static final int opc_fstore_3 = 70;
jaroslav@810	213	public static final int opc_dstore_0 = 71;
jaroslav@810	214	public static final int opc_dstore_1 = 72;
jaroslav@810	215	public static final int opc_dstore_2 = 73;
jaroslav@810	216	public static final int opc_dstore_3 = 74;
jaroslav@810	217	public static final int opc_astore_0 = 75;
jaroslav@810	218	public static final int opc_astore_1 = 76;
jaroslav@810	219	public static final int opc_astore_2 = 77;
jaroslav@810	220	public static final int opc_astore_3 = 78;
jaroslav@810	221	public static final int opc_iastore = 79;
jaroslav@810	222	public static final int opc_lastore = 80;
jaroslav@810	223	public static final int opc_fastore = 81;
jaroslav@810	224	public static final int opc_dastore = 82;
jaroslav@810	225	public static final int opc_aastore = 83;
jaroslav@810	226	public static final int opc_bastore = 84;
jaroslav@810	227	public static final int opc_castore = 85;
jaroslav@810	228	public static final int opc_sastore = 86;
jaroslav@810	229	public static final int opc_pop = 87;
jaroslav@810	230	public static final int opc_pop2 = 88;
jaroslav@810	231	public static final int opc_dup = 89;
jaroslav@810	232	public static final int opc_dup_x1 = 90;
jaroslav@810	233	public static final int opc_dup_x2 = 91;
jaroslav@810	234	public static final int opc_dup2 = 92;
jaroslav@810	235	public static final int opc_dup2_x1 = 93;
jaroslav@810	236	public static final int opc_dup2_x2 = 94;
jaroslav@810	237	public static final int opc_swap = 95;
jaroslav@810	238	public static final int opc_iadd = 96;
jaroslav@810	239	public static final int opc_ladd = 97;
jaroslav@810	240	public static final int opc_fadd = 98;
jaroslav@810	241	public static final int opc_dadd = 99;
jaroslav@810	242	public static final int opc_isub = 100;
jaroslav@810	243	public static final int opc_lsub = 101;
jaroslav@810	244	public static final int opc_fsub = 102;
jaroslav@810	245	public static final int opc_dsub = 103;
jaroslav@810	246	public static final int opc_imul = 104;
jaroslav@810	247	public static final int opc_lmul = 105;
jaroslav@810	248	public static final int opc_fmul = 106;
jaroslav@810	249	public static final int opc_dmul = 107;
jaroslav@810	250	public static final int opc_idiv = 108;
jaroslav@810	251	public static final int opc_ldiv = 109;
jaroslav@810	252	public static final int opc_fdiv = 110;
jaroslav@810	253	public static final int opc_ddiv = 111;
jaroslav@810	254	public static final int opc_irem = 112;
jaroslav@810	255	public static final int opc_lrem = 113;
jaroslav@810	256	public static final int opc_frem = 114;
jaroslav@810	257	public static final int opc_drem = 115;
jaroslav@810	258	public static final int opc_ineg = 116;
jaroslav@810	259	public static final int opc_lneg = 117;
jaroslav@810	260	public static final int opc_fneg = 118;
jaroslav@810	261	public static final int opc_dneg = 119;
jaroslav@810	262	public static final int opc_ishl = 120;
jaroslav@810	263	public static final int opc_lshl = 121;
jaroslav@810	264	public static final int opc_ishr = 122;
jaroslav@810	265	public static final int opc_lshr = 123;
jaroslav@810	266	public static final int opc_iushr = 124;
jaroslav@810	267	public static final int opc_lushr = 125;
jaroslav@810	268	public static final int opc_iand = 126;
jaroslav@810	269	public static final int opc_land = 127;
jaroslav@810	270	public static final int opc_ior = 128;
jaroslav@810	271	public static final int opc_lor = 129;
jaroslav@810	272	public static final int opc_ixor = 130;
jaroslav@810	273	public static final int opc_lxor = 131;
jaroslav@810	274	public static final int opc_iinc = 132;
jaroslav@810	275	public static final int opc_i2l = 133;
jaroslav@810	276	public static final int opc_i2f = 134;
jaroslav@810	277	public static final int opc_i2d = 135;
jaroslav@810	278	public static final int opc_l2i = 136;
jaroslav@810	279	public static final int opc_l2f = 137;
jaroslav@810	280	public static final int opc_l2d = 138;
jaroslav@810	281	public static final int opc_f2i = 139;
jaroslav@810	282	public static final int opc_f2l = 140;
jaroslav@810	283	public static final int opc_f2d = 141;
jaroslav@810	284	public static final int opc_d2i = 142;
jaroslav@810	285	public static final int opc_d2l = 143;
jaroslav@810	286	public static final int opc_d2f = 144;
jaroslav@810	287	public static final int opc_i2b = 145;
jaroslav@810	288	public static final int opc_int2byte = 145;
jaroslav@810	289	public static final int opc_i2c = 146;
jaroslav@810	290	public static final int opc_int2char = 146;
jaroslav@810	291	public static final int opc_i2s = 147;
jaroslav@810	292	public static final int opc_int2short = 147;
jaroslav@810	293	public static final int opc_lcmp = 148;
jaroslav@810	294	public static final int opc_fcmpl = 149;
jaroslav@810	295	public static final int opc_fcmpg = 150;
jaroslav@810	296	public static final int opc_dcmpl = 151;
jaroslav@810	297	public static final int opc_dcmpg = 152;
jaroslav@810	298	public static final int opc_ifeq = 153;
jaroslav@810	299	public static final int opc_ifne = 154;
jaroslav@810	300	public static final int opc_iflt = 155;
jaroslav@810	301	public static final int opc_ifge = 156;
jaroslav@810	302	public static final int opc_ifgt = 157;
jaroslav@810	303	public static final int opc_ifle = 158;
jaroslav@810	304	public static final int opc_if_icmpeq = 159;
jaroslav@810	305	public static final int opc_if_icmpne = 160;
jaroslav@810	306	public static final int opc_if_icmplt = 161;
jaroslav@810	307	public static final int opc_if_icmpge = 162;
jaroslav@810	308	public static final int opc_if_icmpgt = 163;
jaroslav@810	309	public static final int opc_if_icmple = 164;
jaroslav@810	310	public static final int opc_if_acmpeq = 165;
jaroslav@810	311	public static final int opc_if_acmpne = 166;
jaroslav@810	312	public static final int opc_goto = 167;
jaroslav@810	313	public static final int opc_jsr = 168;
jaroslav@810	314	public static final int opc_ret = 169;
jaroslav@810	315	public static final int opc_tableswitch = 170;
jaroslav@810	316	public static final int opc_lookupswitch = 171;
jaroslav@810	317	public static final int opc_ireturn = 172;
jaroslav@810	318	public static final int opc_lreturn = 173;
jaroslav@810	319	public static final int opc_freturn = 174;
jaroslav@810	320	public static final int opc_dreturn = 175;
jaroslav@810	321	public static final int opc_areturn = 176;
jaroslav@810	322	public static final int opc_return = 177;
jaroslav@810	323	public static final int opc_getstatic = 178;
jaroslav@810	324	public static final int opc_putstatic = 179;
jaroslav@810	325	public static final int opc_getfield = 180;
jaroslav@810	326	public static final int opc_putfield = 181;
jaroslav@810	327	public static final int opc_invokevirtual = 182;
jaroslav@810	328	public static final int opc_invokenonvirtual = 183;
jaroslav@810	329	public static final int opc_invokespecial = 183;
jaroslav@810	330	public static final int opc_invokestatic = 184;
jaroslav@810	331	public static final int opc_invokeinterface = 185;
jaroslav@810	332	// public static final int opc_xxxunusedxxx = 186;
jaroslav@810	333	public static final int opc_new = 187;
jaroslav@810	334	public static final int opc_newarray = 188;
jaroslav@810	335	public static final int opc_anewarray = 189;
jaroslav@810	336	public static final int opc_arraylength = 190;
jaroslav@810	337	public static final int opc_athrow = 191;
jaroslav@810	338	public static final int opc_checkcast = 192;
jaroslav@810	339	public static final int opc_instanceof = 193;
jaroslav@810	340	public static final int opc_monitorenter = 194;
jaroslav@810	341	public static final int opc_monitorexit = 195;
jaroslav@810	342	public static final int opc_wide = 196;
jaroslav@810	343	public static final int opc_multianewarray = 197;
jaroslav@810	344	public static final int opc_ifnull = 198;
jaroslav@810	345	public static final int opc_ifnonnull = 199;
jaroslav@810	346	public static final int opc_goto_w = 200;
jaroslav@810	347	public static final int opc_jsr_w = 201;
jaroslav@810	348	/* Pseudo-instructions */
jaroslav@810	349	public static final int opc_bytecode = 203;
jaroslav@810	350	public static final int opc_try = 204;
jaroslav@810	351	public static final int opc_endtry = 205;
jaroslav@810	352	public static final int opc_catch = 206;
jaroslav@810	353	public static final int opc_var = 207;
jaroslav@810	354	public static final int opc_endvar = 208;
jaroslav@810	355	public static final int opc_localsmap = 209;
jaroslav@810	356	public static final int opc_stackmap = 210;
jaroslav@810	357	/* PicoJava prefixes */
jaroslav@810	358	public static final int opc_nonpriv = 254;
jaroslav@810	359	public static final int opc_priv = 255;
jaroslav@810	360
jaroslav@810	361	/* Wide instructions */
jaroslav@810	362	public static final int opc_iload_w = (opc_wide<<8)\|opc_iload;
jaroslav@810	363	public static final int opc_lload_w = (opc_wide<<8)\|opc_lload;
jaroslav@810	364	public static final int opc_fload_w = (opc_wide<<8)\|opc_fload;
jaroslav@810	365	public static final int opc_dload_w = (opc_wide<<8)\|opc_dload;
jaroslav@810	366	public static final int opc_aload_w = (opc_wide<<8)\|opc_aload;
jaroslav@810	367	public static final int opc_istore_w = (opc_wide<<8)\|opc_istore;
jaroslav@810	368	public static final int opc_lstore_w = (opc_wide<<8)\|opc_lstore;
jaroslav@810	369	public static final int opc_fstore_w = (opc_wide<<8)\|opc_fstore;
jaroslav@810	370	public static final int opc_dstore_w = (opc_wide<<8)\|opc_dstore;
jaroslav@810	371	public static final int opc_astore_w = (opc_wide<<8)\|opc_astore;
jaroslav@810	372	public static final int opc_ret_w = (opc_wide<<8)\|opc_ret;
jaroslav@810	373	public static final int opc_iinc_w = (opc_wide<<8)\|opc_iinc;
jaroslav@810	374
jaroslav@810	375	/* Opcode Names */
jaroslav@810	376	public static final String opcNamesTab[] = {
jaroslav@810	377	"nop",
jaroslav@810	378	"aconst_null",
jaroslav@810	379	"iconst_m1",
jaroslav@810	380	"iconst_0",
jaroslav@810	381	"iconst_1",
jaroslav@810	382	"iconst_2",
jaroslav@810	383	"iconst_3",
jaroslav@810	384	"iconst_4",
jaroslav@810	385	"iconst_5",
jaroslav@810	386	"lconst_0",
jaroslav@810	387	"lconst_1",
jaroslav@810	388	"fconst_0",
jaroslav@810	389	"fconst_1",
jaroslav@810	390	"fconst_2",
jaroslav@810	391	"dconst_0",
jaroslav@810	392	"dconst_1",
jaroslav@810	393	"bipush",
jaroslav@810	394	"sipush",
jaroslav@810	395	"ldc",
jaroslav@810	396	"ldc_w",
jaroslav@810	397	"ldc2_w",
jaroslav@810	398	"iload",
jaroslav@810	399	"lload",
jaroslav@810	400	"fload",
jaroslav@810	401	"dload",
jaroslav@810	402	"aload",
jaroslav@810	403	"iload_0",
jaroslav@810	404	"iload_1",
jaroslav@810	405	"iload_2",
jaroslav@810	406	"iload_3",
jaroslav@810	407	"lload_0",
jaroslav@810	408	"lload_1",
jaroslav@810	409	"lload_2",
jaroslav@810	410	"lload_3",
jaroslav@810	411	"fload_0",
jaroslav@810	412	"fload_1",
jaroslav@810	413	"fload_2",
jaroslav@810	414	"fload_3",
jaroslav@810	415	"dload_0",
jaroslav@810	416	"dload_1",
jaroslav@810	417	"dload_2",
jaroslav@810	418	"dload_3",
jaroslav@810	419	"aload_0",
jaroslav@810	420	"aload_1",
jaroslav@810	421	"aload_2",
jaroslav@810	422	"aload_3",
jaroslav@810	423	"iaload",
jaroslav@810	424	"laload",
jaroslav@810	425	"faload",
jaroslav@810	426	"daload",
jaroslav@810	427	"aaload",
jaroslav@810	428	"baload",
jaroslav@810	429	"caload",
jaroslav@810	430	"saload",
jaroslav@810	431	"istore",
jaroslav@810	432	"lstore",
jaroslav@810	433	"fstore",
jaroslav@810	434	"dstore",
jaroslav@810	435	"astore",
jaroslav@810	436	"istore_0",
jaroslav@810	437	"istore_1",
jaroslav@810	438	"istore_2",
jaroslav@810	439	"istore_3",
jaroslav@810	440	"lstore_0",
jaroslav@810	441	"lstore_1",
jaroslav@810	442	"lstore_2",
jaroslav@810	443	"lstore_3",
jaroslav@810	444	"fstore_0",
jaroslav@810	445	"fstore_1",
jaroslav@810	446	"fstore_2",
jaroslav@810	447	"fstore_3",
jaroslav@810	448	"dstore_0",
jaroslav@810	449	"dstore_1",
jaroslav@810	450	"dstore_2",
jaroslav@810	451	"dstore_3",
jaroslav@810	452	"astore_0",
jaroslav@810	453	"astore_1",
jaroslav@810	454	"astore_2",
jaroslav@810	455	"astore_3",
jaroslav@810	456	"iastore",
jaroslav@810	457	"lastore",
jaroslav@810	458	"fastore",
jaroslav@810	459	"dastore",
jaroslav@810	460	"aastore",
jaroslav@810	461	"bastore",
jaroslav@810	462	"castore",
jaroslav@810	463	"sastore",
jaroslav@810	464	"pop",
jaroslav@810	465	"pop2",
jaroslav@810	466	"dup",
jaroslav@810	467	"dup_x1",
jaroslav@810	468	"dup_x2",
jaroslav@810	469	"dup2",
jaroslav@810	470	"dup2_x1",
jaroslav@810	471	"dup2_x2",
jaroslav@810	472	"swap",
jaroslav@810	473	"iadd",
jaroslav@810	474	"ladd",
jaroslav@810	475	"fadd",
jaroslav@810	476	"dadd",
jaroslav@810	477	"isub",
jaroslav@810	478	"lsub",
jaroslav@810	479	"fsub",
jaroslav@810	480	"dsub",
jaroslav@810	481	"imul",
jaroslav@810	482	"lmul",
jaroslav@810	483	"fmul",
jaroslav@810	484	"dmul",
jaroslav@810	485	"idiv",
jaroslav@810	486	"ldiv",
jaroslav@810	487	"fdiv",
jaroslav@810	488	"ddiv",
jaroslav@810	489	"irem",
jaroslav@810	490	"lrem",
jaroslav@810	491	"frem",
jaroslav@810	492	"drem",
jaroslav@810	493	"ineg",
jaroslav@810	494	"lneg",
jaroslav@810	495	"fneg",
jaroslav@810	496	"dneg",
jaroslav@810	497	"ishl",
jaroslav@810	498	"lshl",
jaroslav@810	499	"ishr",
jaroslav@810	500	"lshr",
jaroslav@810	501	"iushr",
jaroslav@810	502	"lushr",
jaroslav@810	503	"iand",
jaroslav@810	504	"land",
jaroslav@810	505	"ior",
jaroslav@810	506	"lor",
jaroslav@810	507	"ixor",
jaroslav@810	508	"lxor",
jaroslav@810	509	"iinc",
jaroslav@810	510	"i2l",
jaroslav@810	511	"i2f",
jaroslav@810	512	"i2d",
jaroslav@810	513	"l2i",
jaroslav@810	514	"l2f",
jaroslav@810	515	"l2d",
jaroslav@810	516	"f2i",
jaroslav@810	517	"f2l",
jaroslav@810	518	"f2d",
jaroslav@810	519	"d2i",
jaroslav@810	520	"d2l",
jaroslav@810	521	"d2f",
jaroslav@810	522	"i2b",
jaroslav@810	523	"i2c",
jaroslav@810	524	"i2s",
jaroslav@810	525	"lcmp",
jaroslav@810	526	"fcmpl",
jaroslav@810	527	"fcmpg",
jaroslav@810	528	"dcmpl",
jaroslav@810	529	"dcmpg",
jaroslav@810	530	"ifeq",
jaroslav@810	531	"ifne",
jaroslav@810	532	"iflt",
jaroslav@810	533	"ifge",
jaroslav@810	534	"ifgt",
jaroslav@810	535	"ifle",
jaroslav@810	536	"if_icmpeq",
jaroslav@810	537	"if_icmpne",
jaroslav@810	538	"if_icmplt",
jaroslav@810	539	"if_icmpge",
jaroslav@810	540	"if_icmpgt",
jaroslav@810	541	"if_icmple",
jaroslav@810	542	"if_acmpeq",
jaroslav@810	543	"if_acmpne",
jaroslav@810	544	"goto",
jaroslav@810	545	"jsr",
jaroslav@810	546	"ret",
jaroslav@810	547	"tableswitch",
jaroslav@810	548	"lookupswitch",
jaroslav@810	549	"ireturn",
jaroslav@810	550	"lreturn",
jaroslav@810	551	"freturn",
jaroslav@810	552	"dreturn",
jaroslav@810	553	"areturn",
jaroslav@810	554	"return",
jaroslav@810	555	"getstatic",
jaroslav@810	556	"putstatic",
jaroslav@810	557	"getfield",
jaroslav@810	558	"putfield",
jaroslav@810	559	"invokevirtual",
jaroslav@810	560	"invokespecial", // was "invokenonvirtual",
jaroslav@810	561	"invokestatic",
jaroslav@810	562	"invokeinterface",
jaroslav@810	563	"bytecode 186", //"xxxunusedxxx",
jaroslav@810	564	"new",
jaroslav@810	565	"newarray",
jaroslav@810	566	"anewarray",
jaroslav@810	567	"arraylength",
jaroslav@810	568	"athrow",
jaroslav@810	569	"checkcast",
jaroslav@810	570	"instanceof",
jaroslav@810	571	"monitorenter",
jaroslav@810	572	"monitorexit",
jaroslav@810	573	null, // "wide",
jaroslav@810	574	"multianewarray",
jaroslav@810	575	"ifnull",
jaroslav@810	576	"ifnonnull",
jaroslav@810	577	"goto_w",
jaroslav@810	578	"jsr_w",
jaroslav@810	579	"bytecode 202", // "breakpoint",
jaroslav@810	580	"bytecode",
jaroslav@810	581	"try",
jaroslav@810	582	"endtry",
jaroslav@810	583	"catch",
jaroslav@810	584	"var",
jaroslav@810	585	"endvar",
jaroslav@810	586	"locals_map",
jaroslav@810	587	"stack_map"
jaroslav@810	588	};
jaroslav@810	589
jaroslav@810	590	/* Opcode Lengths */
jaroslav@810	591	public static final int opcLengthsTab[] = {
jaroslav@810	592	1,
jaroslav@810	593	1,
jaroslav@810	594	1,
jaroslav@810	595	1,
jaroslav@810	596	1,
jaroslav@810	597	1,
jaroslav@810	598	1,
jaroslav@810	599	1,
jaroslav@810	600	1,
jaroslav@810	601	1,
jaroslav@810	602	1,
jaroslav@810	603	1,
jaroslav@810	604	1,
jaroslav@810	605	1,
jaroslav@810	606	1,
jaroslav@810	607	1,
jaroslav@810	608	2,
jaroslav@810	609	3,
jaroslav@810	610	2,
jaroslav@810	611	3,
jaroslav@810	612	3,
jaroslav@810	613	2,
jaroslav@810	614	2,
jaroslav@810	615	2,
jaroslav@810	616	2,
jaroslav@810	617	2,
jaroslav@810	618	1,
jaroslav@810	619	1,
jaroslav@810	620	1,
jaroslav@810	621	1,
jaroslav@810	622	1,
jaroslav@810	623	1,
jaroslav@810	624	1,
jaroslav@810	625	1,
jaroslav@810	626	1,
jaroslav@810	627	1,
jaroslav@810	628	1,
jaroslav@810	629	1,
jaroslav@810	630	1,
jaroslav@810	631	1,
jaroslav@810	632	1,
jaroslav@810	633	1,
jaroslav@810	634	1,
jaroslav@810	635	1,
jaroslav@810	636	1,
jaroslav@810	637	1,
jaroslav@810	638	1,
jaroslav@810	639	1,
jaroslav@810	640	1,
jaroslav@810	641	1,
jaroslav@810	642	1,
jaroslav@810	643	1,
jaroslav@810	644	1,
jaroslav@810	645	1,
jaroslav@810	646	2,
jaroslav@810	647	2,
jaroslav@810	648	2,
jaroslav@810	649	2,
jaroslav@810	650	2,
jaroslav@810	651	1,
jaroslav@810	652	1,
jaroslav@810	653	1,
jaroslav@810	654	1,
jaroslav@810	655	1,
jaroslav@810	656	1,
jaroslav@810	657	1,
jaroslav@810	658	1,
jaroslav@810	659	1,
jaroslav@810	660	1,
jaroslav@810	661	1,
jaroslav@810	662	1,
jaroslav@810	663	1,
jaroslav@810	664	1,
jaroslav@810	665	1,
jaroslav@810	666	1,
jaroslav@810	667	1,
jaroslav@810	668	1,
jaroslav@810	669	1,
jaroslav@810	670	1,
jaroslav@810	671	1,
jaroslav@810	672	1,
jaroslav@810	673	1,
jaroslav@810	674	1,
jaroslav@810	675	1,
jaroslav@810	676	1,
jaroslav@810	677	1,
jaroslav@810	678	1,
jaroslav@810	679	1,
jaroslav@810	680	1,
jaroslav@810	681	1,
jaroslav@810	682	1,
jaroslav@810	683	1,
jaroslav@810	684	1,
jaroslav@810	685	1,
jaroslav@810	686	1,
jaroslav@810	687	1,
jaroslav@810	688	1,
jaroslav@810	689	1,
jaroslav@810	690	1,
jaroslav@810	691	1,
jaroslav@810	692	1,
jaroslav@810	693	1,
jaroslav@810	694	1,
jaroslav@810	695	1,
jaroslav@810	696	1,
jaroslav@810	697	1,
jaroslav@810	698	1,
jaroslav@810	699	1,
jaroslav@810	700	1,
jaroslav@810	701	1,
jaroslav@810	702	1,
jaroslav@810	703	1,
jaroslav@810	704	1,
jaroslav@810	705	1,
jaroslav@810	706	1,
jaroslav@810	707	1,
jaroslav@810	708	1,
jaroslav@810	709	1,
jaroslav@810	710	1,
jaroslav@810	711	1,
jaroslav@810	712	1,
jaroslav@810	713	1,
jaroslav@810	714	1,
jaroslav@810	715	1,
jaroslav@810	716	1,
jaroslav@810	717	1,
jaroslav@810	718	1,
jaroslav@810	719	1,
jaroslav@810	720	1,
jaroslav@810	721	1,
jaroslav@810	722	1,
jaroslav@810	723	1,
jaroslav@810	724	3,
jaroslav@810	725	1,
jaroslav@810	726	1,
jaroslav@810	727	1,
jaroslav@810	728	1,
jaroslav@810	729	1,
jaroslav@810	730	1,
jaroslav@810	731	1,
jaroslav@810	732	1,
jaroslav@810	733	1,
jaroslav@810	734	1,
jaroslav@810	735	1,
jaroslav@810	736	1,
jaroslav@810	737	1,
jaroslav@810	738	1,
jaroslav@810	739	1,
jaroslav@810	740	1,
jaroslav@810	741	1,
jaroslav@810	742	1,
jaroslav@810	743	1,
jaroslav@810	744	1,
jaroslav@810	745	3,
jaroslav@810	746	3,
jaroslav@810	747	3,
jaroslav@810	748	3,
jaroslav@810	749	3,
jaroslav@810	750	3,
jaroslav@810	751	3,
jaroslav@810	752	3,
jaroslav@810	753	3,
jaroslav@810	754	3,
jaroslav@810	755	3,
jaroslav@810	756	3,
jaroslav@810	757	3,
jaroslav@810	758	3,
jaroslav@810	759	3,
jaroslav@810	760	3,
jaroslav@810	761	2,
jaroslav@810	762	99,
jaroslav@810	763	99,
jaroslav@810	764	1,
jaroslav@810	765	1,
jaroslav@810	766	1,
jaroslav@810	767	1,
jaroslav@810	768	1,
jaroslav@810	769	1,
jaroslav@810	770	3,
jaroslav@810	771	3,
jaroslav@810	772	3,
jaroslav@810	773	3,
jaroslav@810	774	3,
jaroslav@810	775	3,
jaroslav@810	776	3,
jaroslav@810	777	5,
jaroslav@810	778	0,
jaroslav@810	779	3,
jaroslav@810	780	2,
jaroslav@810	781	3,
jaroslav@810	782	1,
jaroslav@810	783	1,
jaroslav@810	784	3,
jaroslav@810	785	3,
jaroslav@810	786	1,
jaroslav@810	787	1,
jaroslav@810	788	0, // wide
jaroslav@810	789	4,
jaroslav@810	790	3,
jaroslav@810	791	3,
jaroslav@810	792	5,
jaroslav@810	793	5,
jaroslav@810	794	1,
jaroslav@810	795	1, 0, 0, 0, 0, 0 // pseudo
jaroslav@810	796	};
jaroslav@810	797
jaroslav@810	798	/**
jaroslav@810	799	* End of input
jaroslav@810	800	*/
jaroslav@810	801	public static final int EOF = -1;
jaroslav@810	802
jaroslav@810	803	/*
jaroslav@810	804	* Flags
jaroslav@810	805	*/
jaroslav@810	806	public static final int F_VERBOSE = 1 << 0;
jaroslav@810	807	public static final int F_DUMP = 1 << 1;
jaroslav@810	808	public static final int F_WARNINGS = 1 << 2;
jaroslav@810	809	public static final int F_DEBUG = 1 << 3;
jaroslav@810	810	public static final int F_OPTIMIZE = 1 << 4;
jaroslav@810	811	public static final int F_DEPENDENCIES = 1 << 5;
jaroslav@810	812
jaroslav@810	813	/*
jaroslav@810	814	* Type codes
jaroslav@810	815	*/
jaroslav@810	816	public static final int TC_BOOLEAN = 0;
jaroslav@810	817	public static final int TC_BYTE = 1;
jaroslav@810	818	public static final int TC_CHAR = 2;
jaroslav@810	819	public static final int TC_SHORT = 3;
jaroslav@810	820	public static final int TC_INT = 4;
jaroslav@810	821	public static final int TC_LONG = 5;
jaroslav@810	822	public static final int TC_FLOAT = 6;
jaroslav@810	823	public static final int TC_DOUBLE = 7;
jaroslav@810	824	public static final int TC_NULL = 8;
jaroslav@810	825	public static final int TC_ARRAY = 9;
jaroslav@810	826	public static final int TC_CLASS = 10;
jaroslav@810	827	public static final int TC_VOID = 11;
jaroslav@810	828	public static final int TC_METHOD = 12;
jaroslav@810	829	public static final int TC_ERROR = 13;
jaroslav@810	830
jaroslav@810	831	/*
jaroslav@810	832	* Type Masks
jaroslav@810	833	*/
jaroslav@810	834	public static final int TM_NULL = 1 << TC_NULL;
jaroslav@810	835	public static final int TM_VOID = 1 << TC_VOID;
jaroslav@810	836	public static final int TM_BOOLEAN = 1 << TC_BOOLEAN;
jaroslav@810	837	public static final int TM_BYTE = 1 << TC_BYTE;
jaroslav@810	838	public static final int TM_CHAR = 1 << TC_CHAR;
jaroslav@810	839	public static final int TM_SHORT = 1 << TC_SHORT;
jaroslav@810	840	public static final int TM_INT = 1 << TC_INT;
jaroslav@810	841	public static final int TM_LONG = 1 << TC_LONG;
jaroslav@810	842	public static final int TM_FLOAT = 1 << TC_FLOAT;
jaroslav@810	843	public static final int TM_DOUBLE = 1 << TC_DOUBLE;
jaroslav@810	844	public static final int TM_ARRAY = 1 << TC_ARRAY;
jaroslav@810	845	public static final int TM_CLASS = 1 << TC_CLASS;
jaroslav@810	846	public static final int TM_METHOD = 1 << TC_METHOD;
jaroslav@810	847	public static final int TM_ERROR = 1 << TC_ERROR;
jaroslav@810	848
jaroslav@810	849	public static final int TM_INT32 = TM_BYTE \| TM_SHORT \| TM_CHAR \| TM_INT;
jaroslav@810	850	public static final int TM_NUM32 = TM_INT32 \| TM_FLOAT;
jaroslav@810	851	public static final int TM_NUM64 = TM_LONG \| TM_DOUBLE;
jaroslav@810	852	public static final int TM_INTEGER = TM_INT32 \| TM_LONG;
jaroslav@810	853	public static final int TM_REAL = TM_FLOAT \| TM_DOUBLE;
jaroslav@810	854	public static final int TM_NUMBER = TM_INTEGER \| TM_REAL;
jaroslav@810	855	public static final int TM_REFERENCE = TM_ARRAY \| TM_CLASS \| TM_NULL;
jaroslav@810	856
jaroslav@810	857	/*
jaroslav@810	858	* Class status
jaroslav@810	859	*/
jaroslav@810	860	public static final int CS_UNDEFINED = 0;
jaroslav@810	861	public static final int CS_UNDECIDED = 1;
jaroslav@810	862	public static final int CS_BINARY = 2;
jaroslav@810	863	public static final int CS_SOURCE = 3;
jaroslav@810	864	public static final int CS_PARSED = 4;
jaroslav@810	865	public static final int CS_COMPILED = 5;
jaroslav@810	866	public static final int CS_NOTFOUND = 6;
jaroslav@810	867
jaroslav@810	868	/*
jaroslav@810	869	* Attributes
jaroslav@810	870	*/
jaroslav@810	871	public static final int ATT_ALL = -1;
jaroslav@810	872	public static final int ATT_CODE = 1;
jaroslav@810	873
jaroslav@810	874	/*
jaroslav@810	875	* Number of bits used in file offsets
jaroslav@810	876	*/
jaroslav@810	877	public static final int OFFSETBITS = 19;
jaroslav@810	878	public static final int MAXFILESIZE = (1 << OFFSETBITS) - 1;
jaroslav@810	879	public static final int MAXLINENUMBER = (1 << (32 - OFFSETBITS)) - 1;
jaroslav@810	880
jaroslav@810	881	/*
jaroslav@810	882	* Operators
jaroslav@810	883	*/
jaroslav@810	884	public final int COMMA = 0;
jaroslav@810	885	public final int ASSIGN = 1;
jaroslav@810	886
jaroslav@810	887	public final int ASGMUL = 2;
jaroslav@810	888	public final int ASGDIV = 3;
jaroslav@810	889	public final int ASGREM = 4;
jaroslav@810	890	public final int ASGADD = 5;
jaroslav@810	891	public final int ASGSUB = 6;
jaroslav@810	892	public final int ASGLSHIFT = 7;
jaroslav@810	893	public final int ASGRSHIFT = 8;
jaroslav@810	894	public final int ASGURSHIFT = 9;
jaroslav@810	895	public final int ASGBITAND = 10;
jaroslav@810	896	public final int ASGBITOR = 11;
jaroslav@810	897	public final int ASGBITXOR = 12;
jaroslav@810	898
jaroslav@810	899	public final int COND = 13;
jaroslav@810	900	public final int OR = 14;
jaroslav@810	901	public final int AND = 15;
jaroslav@810	902	public final int BITOR = 16;
jaroslav@810	903	public final int BITXOR = 17;
jaroslav@810	904	public final int BITAND = 18;
jaroslav@810	905	public final int NE = 19;
jaroslav@810	906	public final int EQ = 20;
jaroslav@810	907	public final int GE = 21;
jaroslav@810	908	public final int GT = 22;
jaroslav@810	909	public final int LE = 23;
jaroslav@810	910	public final int LT = 24;
jaroslav@810	911	public final int INSTANCEOF = 25;
jaroslav@810	912	public final int LSHIFT = 26;
jaroslav@810	913	public final int RSHIFT = 27;
jaroslav@810	914	public final int URSHIFT = 28;
jaroslav@810	915	public final int ADD = 29;
jaroslav@810	916	public final int SUB = 30;
jaroslav@810	917	public final int DIV = 31;
jaroslav@810	918	public final int REM = 32;
jaroslav@810	919	public final int MUL = 33;
jaroslav@810	920	public final int CAST = 34; // (x)y
jaroslav@810	921	public final int POS = 35; // +x
jaroslav@810	922	public final int NEG = 36; // -x
jaroslav@810	923	public final int NOT = 37;
jaroslav@810	924	public final int BITNOT = 38;
jaroslav@810	925	public final int PREINC = 39; // ++x
jaroslav@810	926	public final int PREDEC = 40; // --x
jaroslav@810	927	public final int NEWARRAY = 41;
jaroslav@810	928	public final int NEWINSTANCE = 42;
jaroslav@810	929	public final int NEWFROMNAME = 43;
jaroslav@810	930	public final int POSTINC = 44; // x++
jaroslav@810	931	public final int POSTDEC = 45; // x--
jaroslav@810	932	public final int FIELD = 46;
jaroslav@810	933	public final int METHOD = 47; // x(y)
jaroslav@810	934	public final int ARRAYACCESS = 48; // x[y]
jaroslav@810	935	public final int NEW = 49;
jaroslav@810	936	public final int INC = 50;
jaroslav@810	937	public final int DEC = 51;
jaroslav@810	938
jaroslav@810	939	public final int CONVERT = 55; // implicit conversion
jaroslav@810	940	public final int EXPR = 56; // (x)
jaroslav@810	941	public final int ARRAY = 57; // {x, y, ...}
jaroslav@810	942	public final int GOTO = 58;
jaroslav@810	943
jaroslav@810	944	/*
jaroslav@810	945	* Value tokens
jaroslav@810	946	*/
jaroslav@810	947	public final int IDENT = 60;
jaroslav@810	948	public final int BOOLEANVAL = 61;
jaroslav@810	949	public final int BYTEVAL = 62;
jaroslav@810	950	public final int CHARVAL = 63;
jaroslav@810	951	public final int SHORTVAL = 64;
jaroslav@810	952	public final int INTVAL = 65;
jaroslav@810	953	public final int LONGVAL = 66;
jaroslav@810	954	public final int FLOATVAL = 67;
jaroslav@810	955	public final int DOUBLEVAL = 68;
jaroslav@810	956	public final int STRINGVAL = 69;
jaroslav@810	957
jaroslav@810	958	/*
jaroslav@810	959	* Type keywords
jaroslav@810	960	*/
jaroslav@810	961	public final int BYTE = 70;
jaroslav@810	962	public final int CHAR = 71;
jaroslav@810	963	public final int SHORT = 72;
jaroslav@810	964	public final int INT = 73;
jaroslav@810	965	public final int LONG = 74;
jaroslav@810	966	public final int FLOAT = 75;
jaroslav@810	967	public final int DOUBLE = 76;
jaroslav@810	968	public final int VOID = 77;
jaroslav@810	969	public final int BOOLEAN = 78;
jaroslav@810	970
jaroslav@810	971	/*
jaroslav@810	972	* Expression keywords
jaroslav@810	973	*/
jaroslav@810	974	public final int TRUE = 80;
jaroslav@810	975	public final int FALSE = 81;
jaroslav@810	976	public final int THIS = 82;
jaroslav@810	977	public final int SUPER = 83;
jaroslav@810	978	public final int NULL = 84;
jaroslav@810	979
jaroslav@810	980	/*
jaroslav@810	981	* Statement keywords
jaroslav@810	982	*/
jaroslav@810	983	public final int IF = 90;
jaroslav@810	984	public final int ELSE = 91;
jaroslav@810	985	public final int FOR = 92;
jaroslav@810	986	public final int WHILE = 93;
jaroslav@810	987	public final int DO = 94;
jaroslav@810	988	public final int SWITCH = 95;
jaroslav@810	989	public final int CASE = 96;
jaroslav@810	990	public final int DEFAULT = 97;
jaroslav@810	991	public final int BREAK = 98;
jaroslav@810	992	public final int CONTINUE = 99;
jaroslav@810	993	public final int RETURN = 100;
jaroslav@810	994	public final int TRY = 101;
jaroslav@810	995	public final int CATCH = 102;
jaroslav@810	996	public final int FINALLY = 103;
jaroslav@810	997	public final int THROW = 104;
jaroslav@810	998	public final int STAT = 105;
jaroslav@810	999	public final int EXPRESSION = 106;
jaroslav@810	1000	public final int DECLARATION = 107;
jaroslav@810	1001	public final int VARDECLARATION = 108;
jaroslav@810	1002
jaroslav@810	1003	/*
jaroslav@810	1004	* Declaration keywords
jaroslav@810	1005	*/
jaroslav@810	1006	public final int IMPORT = 110;
jaroslav@810	1007	public final int CLASS = 111;
jaroslav@810	1008	public final int EXTENDS = 112;
jaroslav@810	1009	public final int IMPLEMENTS = 113;
jaroslav@810	1010	public final int INTERFACE = 114;
jaroslav@810	1011	public final int PACKAGE = 115;
jaroslav@810	1012
jaroslav@810	1013	/*
jaroslav@810	1014	* Modifier keywords
jaroslav@810	1015	*/
jaroslav@810	1016	public final int PRIVATE = 120;
jaroslav@810	1017	public final int PUBLIC = 121;
jaroslav@810	1018	public final int PROTECTED = 122;
jaroslav@810	1019	public final int CONST = 123;
jaroslav@810	1020	public final int STATIC = 124;
jaroslav@810	1021	public final int TRANSIENT = 125;
jaroslav@810	1022	public final int SYNCHRONIZED = 126;
jaroslav@810	1023	public final int NATIVE = 127;
jaroslav@810	1024	public final int FINAL = 128;
jaroslav@810	1025	public final int VOLATILE = 129;
jaroslav@810	1026	public final int ABSTRACT = 130;
jaroslav@810	1027	public final int STRICT = 165;
jaroslav@810	1028
jaroslav@810	1029	/*
jaroslav@810	1030	* Punctuation
jaroslav@810	1031	*/
jaroslav@810	1032	public final int SEMICOLON = 135;
jaroslav@810	1033	public final int COLON = 136;
jaroslav@810	1034	public final int QUESTIONMARK = 137;
jaroslav@810	1035	public final int LBRACE = 138;
jaroslav@810	1036	public final int RBRACE = 139;
jaroslav@810	1037	public final int LPAREN = 140;
jaroslav@810	1038	public final int RPAREN = 141;
jaroslav@810	1039	public final int LSQBRACKET = 142;
jaroslav@810	1040	public final int RSQBRACKET = 143;
jaroslav@810	1041	public final int THROWS = 144;
jaroslav@810	1042
jaroslav@810	1043	/*
jaroslav@810	1044	* Special tokens
jaroslav@810	1045	*/
jaroslav@810	1046	public final int ERROR = 145; // an error
jaroslav@810	1047	public final int COMMENT = 146; // not used anymore.
jaroslav@810	1048	public final int TYPE = 147;
jaroslav@810	1049	public final int LENGTH = 148;
jaroslav@810	1050	public final int INLINERETURN = 149;
jaroslav@810	1051	public final int INLINEMETHOD = 150;
jaroslav@810	1052	public final int INLINENEWINSTANCE = 151;
jaroslav@810	1053
jaroslav@810	1054	/*
jaroslav@810	1055	* Added for jasm
jaroslav@810	1056	*/
jaroslav@810	1057	public final int METHODREF = 152;
jaroslav@810	1058	public final int FIELDREF = 153;
jaroslav@810	1059	public final int STACK = 154;
jaroslav@810	1060	public final int LOCAL = 155;
jaroslav@810	1061	public final int CPINDEX = 156;
jaroslav@810	1062	public final int CPNAME = 157;
jaroslav@810	1063	public final int SIGN = 158;
jaroslav@810	1064	public final int BITS = 159;
jaroslav@810	1065	public final int INF = 160;
jaroslav@810	1066	public final int NAN = 161;
jaroslav@810	1067	public final int INNERCLASS = 162;
jaroslav@810	1068	public final int OF = 163;
jaroslav@810	1069	public final int SYNTHETIC = 164;
jaroslav@810	1070	// last used=165;
jaroslav@810	1071
jaroslav@810	1072	/*
jaroslav@810	1073	* Operator precedence
jaroslav@810	1074	*/
jaroslav@810	1075	public static final int opPrecedence[] = {
jaroslav@810	1076	10, 11, 11, 11, 11, 11, 11, 11, 11, 11,
jaroslav@810	1077	11, 11, 11, 12, 13, 14, 15, 16, 17, 18,
jaroslav@810	1078	18, 19, 19, 19, 19, 19, 20, 20, 20, 21,
jaroslav@810	1079	21, 22, 22, 22, 23, 24, 24, 24, 24, 24,
jaroslav@810	1080	24, 25, 25, 26, 26, 26, 26, 26, 26
jaroslav@810	1081	};
jaroslav@810	1082
jaroslav@810	1083	/*
jaroslav@810	1084	* Operator names
jaroslav@810	1085	*/
jaroslav@810	1086	public static final String opNames[] = {
jaroslav@810	1087	",", "=", "*=", "/=", "%=",
jaroslav@810	1088	"+=", "-=", "<<=", ">>=", "<<<=",
jaroslav@810	1089	"&=", "\|=", "^=", "?:", "\|\|",
jaroslav@810	1090	"&&", "\|", "^", "&", "!=",
jaroslav@810	1091	"==", ">=", ">", "<=", "<",
jaroslav@810	1092	"instanceof", "<<", ">>", "<<<", "+",
jaroslav@810	1093	"-", "/", "%", "*", "cast",
jaroslav@810	1094	"+", "-", "!", "~", "++",
jaroslav@810	1095	"--", "new", "new", "new", "++",
jaroslav@810	1096	"--", "field", "method", "[]", "new",
jaroslav@810	1097	"++", "--", null, null, null,
jaroslav@810	1098
jaroslav@810	1099	"convert", "expr", "array", "goto", null,
jaroslav@810	1100
jaroslav@810	1101	"Identifier", "Boolean", "Byte", "Char", "Short",
jaroslav@810	1102	"Integer", "Long", "Float", "Double", "String",
jaroslav@810	1103
jaroslav@810	1104	"byte", "char", "short", "int", "long",
jaroslav@810	1105	"float", "double", "void", "boolean", null,
jaroslav@810	1106
jaroslav@810	1107	"true", "false", "this", "super", "null",
jaroslav@810	1108	null, null, null, null, null,
jaroslav@810	1109
jaroslav@810	1110	"if", "else", "for", "while", "do",
jaroslav@810	1111	"switch", "case", "default", "break", "continue",
jaroslav@810	1112	"return", "try", "catch", "finally", "throw",
jaroslav@810	1113	"stat", "expression", "declaration", "declaration", null,
jaroslav@810	1114
jaroslav@810	1115	"import", "class", "extends", "implements", "interface",
jaroslav@810	1116	"package", null, null, null, null,
jaroslav@810	1117
jaroslav@810	1118	"private", "public", "protected", "const", "static",
jaroslav@810	1119	"transient", "synchronized", "native", "final", "volatile",
jaroslav@810	1120	"abstract", null, null, null, null,
jaroslav@810	1121
jaroslav@810	1122	";", ":", "?", "{", "}",
jaroslav@810	1123	"(", ")", "[", "]", "throws",
jaroslav@810	1124	"error", "comment", "type", "length", "inline-return",
jaroslav@810	1125	"inline-method", "inline-new",
jaroslav@810	1126	"method", "field", "stack", "locals", "CPINDEX", "CPName", "SIGN",
jaroslav@810	1127	"bits", "INF", "NaN", "InnerClass", "of", "synthetic"
jaroslav@810	1128	};
jaroslav@810	1129
jaroslav@810	1130	static class AnnotationParser {
jaroslav@810	1131
jaroslav@810	1132	private final boolean textual;
jaroslav@810	1133	private final boolean iterateArray;
jaroslav@810	1134
jaroslav@810	1135	protected AnnotationParser(boolean textual, boolean iterateArray) {
jaroslav@810	1136	this.textual = textual;
jaroslav@810	1137	this.iterateArray = iterateArray;
jaroslav@810	1138	}
jaroslav@810	1139
jaroslav@810	1140	protected void visitAnnotationStart(String type, boolean top) throws IOException {
jaroslav@810	1141	}
jaroslav@810	1142
jaroslav@810	1143	protected void visitAnnotationEnd(String type, boolean top) throws IOException {
jaroslav@810	1144	}
jaroslav@810	1145
jaroslav@810	1146	protected void visitValueStart(String attrName, char type) throws IOException {
jaroslav@810	1147	}
jaroslav@810	1148
jaroslav@810	1149	protected void visitValueEnd(String attrName, char type) throws IOException {
jaroslav@810	1150	}
jaroslav@810	1151
jaroslav@810	1152	protected void visitAttr(
jaroslav@810	1153	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	1154	}
jaroslav@810	1155
jaroslav@810	1156	protected void visitEnumAttr(
jaroslav@810	1157	String annoType, String attr, String attrType, String value) throws IOException {
jaroslav@810	1158	visitAttr(annoType, attr, attrType, value);
jaroslav@810	1159	}
jaroslav@810	1160
jaroslav@810	1161	/**
jaroslav@810	1162	* Initialize the parsing with constant pool from
jaroslav@810	1163	* <code>cd</code>.
jaroslav@810	1164	*
jaroslav@810	1165	* @param attr the attribute defining annotations
jaroslav@810	1166	* @param cd constant pool
jaroslav@810	1167	* @throws IOException in case I/O fails
jaroslav@810	1168	*/
jaroslav@810	1169	public final void parse(byte[] attr, ClassData cd) throws IOException {
jaroslav@810	1170	ByteArrayInputStream is = new ByteArrayInputStream(attr);
jaroslav@810	1171	DataInputStream dis = new DataInputStream(is);
jaroslav@810	1172	try {
jaroslav@810	1173	read(dis, cd);
jaroslav@810	1174	} finally {
jaroslav@810	1175	is.close();
jaroslav@810	1176	}
jaroslav@810	1177	}
jaroslav@810	1178
jaroslav@810	1179	private void read(DataInputStream dis, ClassData cd) throws IOException {
jaroslav@810	1180	int cnt = dis.readUnsignedShort();
jaroslav@810	1181	for (int i = 0; i < cnt; i++) {
jaroslav@810	1182	readAnno(dis, cd, true);
jaroslav@810	1183	}
jaroslav@810	1184	}
jaroslav@810	1185
jaroslav@810	1186	private void readAnno(DataInputStream dis, ClassData cd, boolean top) throws IOException {
jaroslav@810	1187	int type = dis.readUnsignedShort();
jaroslav@810	1188	String typeName = cd.StringValue(type);
jaroslav@810	1189	visitAnnotationStart(typeName, top);
jaroslav@810	1190	int cnt = dis.readUnsignedShort();
jaroslav@810	1191	for (int i = 0; i < cnt; i++) {
jaroslav@810	1192	String attrName = cd.StringValue(dis.readUnsignedShort());
jaroslav@810	1193	readValue(dis, cd, typeName, attrName);
jaroslav@810	1194	}
jaroslav@810	1195	visitAnnotationEnd(typeName, top);
jaroslav@810	1196	if (cnt == 0) {
jaroslav@810	1197	visitAttr(typeName, null, null, null);
jaroslav@810	1198	}
jaroslav@810	1199	}
jaroslav@810	1200
jaroslav@810	1201	private void readValue(
jaroslav@810	1202	DataInputStream dis, ClassData cd, String typeName, String attrName) throws IOException {
jaroslav@810	1203	char type = (char) dis.readByte();
jaroslav@810	1204	visitValueStart(attrName, type);
jaroslav@810	1205	if (type == '@') {
jaroslav@810	1206	readAnno(dis, cd, false);
jaroslav@810	1207	} else if ("CFJZsSIDB".indexOf(type) >= 0) { // NOI18N
jaroslav@810	1208	int primitive = dis.readUnsignedShort();
jaroslav@810	1209	String val = cd.stringValue(primitive, textual);
jaroslav@810	1210	String attrType;
jaroslav@810	1211	if (type == 's') {
jaroslav@810	1212	attrType = "Ljava_lang_String_2";
jaroslav@810	1213	if (textual) {
jaroslav@810	1214	val = '"' + val + '"';
jaroslav@810	1215	}
jaroslav@810	1216	} else {
jaroslav@810	1217	attrType = "" + type;
jaroslav@810	1218	}
jaroslav@810	1219	visitAttr(typeName, attrName, attrType, val);
jaroslav@810	1220	} else if (type == 'c') {
jaroslav@810	1221	int cls = dis.readUnsignedShort();
jaroslav@810	1222	} else if (type == '[') {
jaroslav@810	1223	int cnt = dis.readUnsignedShort();
jaroslav@810	1224	for (int i = 0; i < cnt; i++) {
jaroslav@810	1225	readValue(dis, cd, typeName, iterateArray ? attrName : null);
jaroslav@810	1226	}
jaroslav@810	1227	} else if (type == 'e') {
jaroslav@810	1228	int enumT = dis.readUnsignedShort();
jaroslav@810	1229	String attrType = cd.stringValue(enumT, textual);
jaroslav@810	1230	int enumN = dis.readUnsignedShort();
jaroslav@810	1231	String val = cd.stringValue(enumN, textual);
jaroslav@810	1232	visitEnumAttr(typeName, attrName, attrType, val);
jaroslav@810	1233	} else {
jaroslav@810	1234	throw new IOException("Unknown type " + type);
jaroslav@810	1235	}
jaroslav@810	1236	visitValueEnd(attrName, type);
jaroslav@810	1237	}
jaroslav@810	1238	}
jaroslav@810	1239
jaroslav@810	1240	/**
jaroslav@810	1241	* Reads and stores attribute information.
jaroslav@810	1242	*
jaroslav@810	1243	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1244	*/
jaroslav@810	1245	private static class AttrData {
jaroslav@810	1246
jaroslav@810	1247	ClassData cls;
jaroslav@810	1248	int name_cpx;
jaroslav@810	1249	int datalen;
jaroslav@810	1250	byte data[];
jaroslav@810	1251
jaroslav@810	1252	public AttrData(ClassData cls) {
jaroslav@810	1253	this.cls = cls;
jaroslav@810	1254	}
jaroslav@810	1255
jaroslav@810	1256	/**
jaroslav@810	1257	* Reads unknown attribute.
jaroslav@810	1258	*/
jaroslav@810	1259	public void read(int name_cpx, DataInputStream in) throws IOException {
jaroslav@810	1260	this.name_cpx = name_cpx;
jaroslav@810	1261	datalen = in.readInt();
jaroslav@810	1262	data = new byte[datalen];
jaroslav@810	1263	in.readFully(data);
jaroslav@810	1264	}
jaroslav@810	1265
jaroslav@810	1266	/**
jaroslav@810	1267	* Reads just the name of known attribute.
jaroslav@810	1268	*/
jaroslav@810	1269	public void read(int name_cpx) {
jaroslav@810	1270	this.name_cpx = name_cpx;
jaroslav@810	1271	}
jaroslav@810	1272
jaroslav@810	1273	/**
jaroslav@810	1274	* Returns attribute name.
jaroslav@810	1275	*/
jaroslav@810	1276	public String getAttrName() {
jaroslav@810	1277	return cls.getString(name_cpx);
jaroslav@810	1278	}
jaroslav@810	1279
jaroslav@810	1280	/**
jaroslav@810	1281	* Returns attribute data.
jaroslav@810	1282	*/
jaroslav@810	1283	public byte[] getData() {
jaroslav@810	1284	return data;
jaroslav@810	1285	}
jaroslav@810	1286	}
jaroslav@810	1287
jaroslav@810	1288	/**
jaroslav@810	1289	* Stores constant pool entry information with one field.
jaroslav@810	1290	*
jaroslav@810	1291	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1292	*/
jaroslav@810	1293	private static class CPX {
jaroslav@810	1294
jaroslav@810	1295	int cpx;
jaroslav@810	1296
jaroslav@810	1297	CPX(int cpx) {
jaroslav@810	1298	this.cpx = cpx;
jaroslav@810	1299	}
jaroslav@810	1300	}
jaroslav@810	1301
jaroslav@810	1302	/**
jaroslav@810	1303	* Stores constant pool entry information with two fields.
jaroslav@810	1304	*
jaroslav@810	1305	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1306	*/
jaroslav@810	1307	private static class CPX2 {
jaroslav@810	1308
jaroslav@810	1309	int cpx1, cpx2;
jaroslav@810	1310
jaroslav@810	1311	CPX2(int cpx1, int cpx2) {
jaroslav@810	1312	this.cpx1 = cpx1;
jaroslav@810	1313	this.cpx2 = cpx2;
jaroslav@810	1314	}
jaroslav@810	1315	}
jaroslav@810	1316
jaroslav@810	1317	/**
jaroslav@810	1318	* Central data repository of the Java Disassembler. Stores all the
jaroslav@810	1319	* information in java class file.
jaroslav@810	1320	*
jaroslav@810	1321	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	1322	*/
jaroslav@810	1323	static final class ClassData {
jaroslav@810	1324
jaroslav@810	1325	private int magic;
jaroslav@810	1326	private int minor_version;
jaroslav@810	1327	private int major_version;
jaroslav@810	1328	private int cpool_count;
jaroslav@810	1329	private Object cpool[];
jaroslav@810	1330	private int access;
jaroslav@810	1331	private int this_class = 0;
jaroslav@810	1332	private int super_class;
jaroslav@810	1333	private int interfaces_count;
jaroslav@810	1334	private int[] interfaces = new int[0];
jaroslav@810	1335	private int fields_count;
jaroslav@810	1336	private FieldData[] fields;
jaroslav@810	1337	private int methods_count;
jaroslav@810	1338	private MethodData[] methods;
jaroslav@810	1339	private InnerClassData[] innerClasses;
jaroslav@810	1340	private int attributes_count;
jaroslav@810	1341	private AttrData[] attrs;
jaroslav@810	1342	private String classname;
jaroslav@810	1343	private String superclassname;
jaroslav@810	1344	private int source_cpx = 0;
jaroslav@810	1345	private byte tags[];
jaroslav@810	1346	private Hashtable indexHashAscii = new Hashtable();
jaroslav@810	1347	private String pkgPrefix = "";
jaroslav@810	1348	private int pkgPrefixLen = 0;
jaroslav@810	1349
jaroslav@810	1350	/**
jaroslav@810	1351	* Read classfile to disassemble.
jaroslav@810	1352	*/
jaroslav@810	1353	public ClassData(InputStream infile) throws IOException {
jaroslav@810	1354	this.read(new DataInputStream(infile));
jaroslav@810	1355	}
jaroslav@810	1356
jaroslav@810	1357	/**
jaroslav@810	1358	* Reads and stores class file information.
jaroslav@810	1359	*/
jaroslav@810	1360	public void read(DataInputStream in) throws IOException {
jaroslav@810	1361	// Read the header
jaroslav@810	1362	magic = in.readInt();
jaroslav@810	1363	if (magic != JAVA_MAGIC) {
jaroslav@810	1364	throw new ClassFormatError("wrong magic: "
jaroslav@810	1365	+ toHex(magic) + ", expected "
jaroslav@810	1366	+ toHex(JAVA_MAGIC));
jaroslav@810	1367	}
jaroslav@810	1368	minor_version = in.readShort();
jaroslav@810	1369	major_version = in.readShort();
jaroslav@810	1370	if (major_version != JAVA_VERSION) {
jaroslav@810	1371	}
jaroslav@810	1372
jaroslav@810	1373	// Read the constant pool
jaroslav@810	1374	readCP(in);
jaroslav@810	1375	access = in.readUnsignedShort();
jaroslav@810	1376	this_class = in.readUnsignedShort();
jaroslav@810	1377	super_class = in.readUnsignedShort();
jaroslav@810	1378
jaroslav@810	1379	//Read interfaces.
jaroslav@810	1380	interfaces_count = in.readUnsignedShort();
jaroslav@810	1381	if (interfaces_count > 0) {
jaroslav@810	1382	interfaces = new int[interfaces_count];
jaroslav@810	1383	}
jaroslav@810	1384	for (int i = 0; i < interfaces_count; i++) {
jaroslav@810	1385	interfaces[i] = in.readShort();
jaroslav@810	1386	}
jaroslav@810	1387
jaroslav@810	1388	// Read the fields
jaroslav@810	1389	readFields(in);
jaroslav@810	1390
jaroslav@810	1391	// Read the methods
jaroslav@810	1392	readMethods(in);
jaroslav@810	1393
jaroslav@810	1394	// Read the attributes
jaroslav@810	1395	attributes_count = in.readUnsignedShort();
jaroslav@810	1396	attrs = new AttrData[attributes_count];
jaroslav@810	1397	for (int k = 0; k < attributes_count; k++) {
jaroslav@810	1398	int name_cpx = in.readUnsignedShort();
jaroslav@810	1399	if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	1400	&& getString(name_cpx).equals("SourceFile")) {
jaroslav@810	1401	if (in.readInt() != 2) {
jaroslav@810	1402	throw new ClassFormatError("invalid attr length");
jaroslav@810	1403	}
jaroslav@810	1404	source_cpx = in.readUnsignedShort();
jaroslav@810	1405	AttrData attr = new AttrData(this);
jaroslav@810	1406	attr.read(name_cpx);
jaroslav@810	1407	attrs[k] = attr;
jaroslav@810	1408
jaroslav@810	1409	} else if (getTag(name_cpx) == CONSTANT_UTF8
jaroslav@810	1410	&& getString(name_cpx).equals("InnerClasses")) {
jaroslav@810	1411	int length = in.readInt();
jaroslav@810	1412	int num = in.readUnsignedShort();
jaroslav@810	1413	if (2 + num * 8 != length) {
jaroslav@810	1414	throw new ClassFormatError("invalid attr length");
jaroslav@810	1415	}
jaroslav@810	1416	innerClasses = new InnerClassData[num];
jaroslav@810	1417	for (int j = 0; j < num; j++) {
jaroslav@810	1418	InnerClassData innerClass = new InnerClassData(this);
jaroslav@810	1419	innerClass.read(in);
jaroslav@810	1420	innerClasses[j] = innerClass;
jaroslav@810	1421	}
jaroslav@810	1422	AttrData attr = new AttrData(this);
jaroslav@810	1423	attr.read(name_cpx);
jaroslav@810	1424	attrs[k] = attr;
jaroslav@810	1425	} else {
jaroslav@810	1426	AttrData attr = new AttrData(this);
jaroslav@810	1427	attr.read(name_cpx, in);
jaroslav@810	1428	attrs[k] = attr;
jaroslav@810	1429	}
jaroslav@810	1430	}
jaroslav@810	1431	in.close();
jaroslav@810	1432	} // end ClassData.read()
jaroslav@810	1433
jaroslav@810	1434	/**
jaroslav@810	1435	* Reads and stores constant pool info.
jaroslav@810	1436	*/
jaroslav@810	1437	void readCP(DataInputStream in) throws IOException {
jaroslav@810	1438	cpool_count = in.readUnsignedShort();
jaroslav@810	1439	tags = new byte[cpool_count];
jaroslav@810	1440	cpool = new Object[cpool_count];
jaroslav@810	1441	for (int i = 1; i < cpool_count; i++) {
jaroslav@810	1442	byte tag = in.readByte();
jaroslav@810	1443
jaroslav@810	1444	switch (tags[i] = tag) {
jaroslav@810	1445	case CONSTANT_UTF8:
jaroslav@810	1446	String str = in.readUTF();
jaroslav@810	1447	indexHashAscii.put(cpool[i] = str, new Integer(i));
jaroslav@810	1448	break;
jaroslav@810	1449	case CONSTANT_INTEGER:
jaroslav@810	1450	cpool[i] = new Integer(in.readInt());
jaroslav@810	1451	break;
jaroslav@810	1452	case CONSTANT_FLOAT:
jaroslav@810	1453	cpool[i] = new Float(in.readFloat());
jaroslav@810	1454	break;
jaroslav@810	1455	case CONSTANT_LONG:
jaroslav@810	1456	cpool[i++] = new Long(in.readLong());
jaroslav@810	1457	break;
jaroslav@810	1458	case CONSTANT_DOUBLE:
jaroslav@810	1459	cpool[i++] = new Double(in.readDouble());
jaroslav@810	1460	break;
jaroslav@810	1461	case CONSTANT_CLASS:
jaroslav@810	1462	case CONSTANT_STRING:
jaroslav@810	1463	cpool[i] = new CPX(in.readUnsignedShort());
jaroslav@810	1464	break;
jaroslav@810	1465
jaroslav@810	1466	case CONSTANT_FIELD:
jaroslav@810	1467	case CONSTANT_METHOD:
jaroslav@810	1468	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	1469	case CONSTANT_NAMEANDTYPE:
jaroslav@810	1470	cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
jaroslav@810	1471	break;
jaroslav@810	1472
jaroslav@810	1473	case 0:
jaroslav@810	1474	default:
jaroslav@810	1475	throw new ClassFormatError("invalid constant type: " + (int) tags[i]);
jaroslav@810	1476	}
jaroslav@810	1477	}
jaroslav@810	1478	}
jaroslav@810	1479
jaroslav@810	1480	/**
jaroslav@810	1481	* Reads and strores field info.
jaroslav@810	1482	*/
jaroslav@810	1483	protected void readFields(DataInputStream in) throws IOException {
jaroslav@810	1484	int fields_count = in.readUnsignedShort();
jaroslav@810	1485	fields = new FieldData[fields_count];
jaroslav@810	1486	for (int k = 0; k < fields_count; k++) {
jaroslav@810	1487	FieldData field = new FieldData(this);
jaroslav@810	1488	field.read(in);
jaroslav@810	1489	fields[k] = field;
jaroslav@810	1490	}
jaroslav@810	1491	}
jaroslav@810	1492
jaroslav@810	1493	/**
jaroslav@810	1494	* Reads and strores Method info.
jaroslav@810	1495	*/
jaroslav@810	1496	protected void readMethods(DataInputStream in) throws IOException {
jaroslav@810	1497	int methods_count = in.readUnsignedShort();
jaroslav@810	1498	methods = new MethodData[methods_count];
jaroslav@810	1499	for (int k = 0; k < methods_count; k++) {
jaroslav@810	1500	MethodData method = new MethodData(this);
jaroslav@810	1501	method.read(in);
jaroslav@810	1502	methods[k] = method;
jaroslav@810	1503	}
jaroslav@810	1504	}
jaroslav@810	1505
jaroslav@810	1506	/**
jaroslav@810	1507	* get a string
jaroslav@810	1508	*/
jaroslav@810	1509	public String getString(int n) {
jaroslav@810	1510	if (n == 0) {
jaroslav@810	1511	return null;
jaroslav@810	1512	} else {
jaroslav@810	1513	return (String) cpool[n];
jaroslav@810	1514	}
jaroslav@810	1515	}
jaroslav@810	1516
jaroslav@810	1517	/**
jaroslav@810	1518	* get the type of constant given an index
jaroslav@810	1519	*/
jaroslav@810	1520	public byte getTag(int n) {
jaroslav@810	1521	try {
jaroslav@810	1522	return tags[n];
jaroslav@810	1523	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1524	return (byte) 100;
jaroslav@810	1525	}
jaroslav@810	1526	}
jaroslav@810	1527	static final String hexString = "0123456789ABCDEF";
jaroslav@810	1528	public static char hexTable[] = hexString.toCharArray();
jaroslav@810	1529
jaroslav@810	1530	static String toHex(long val, int width) {
jaroslav@810	1531	StringBuffer s = new StringBuffer();
jaroslav@810	1532	for (int i = width - 1; i >= 0; i--) {
jaroslav@810	1533	s.append(hexTable[((int) (val >> (4 * i))) & 0xF]);
jaroslav@810	1534	}
jaroslav@810	1535	return "0x" + s.toString();
jaroslav@810	1536	}
jaroslav@810	1537
jaroslav@810	1538	static String toHex(long val) {
jaroslav@810	1539	int width;
jaroslav@810	1540	for (width = 16; width > 0; width--) {
jaroslav@810	1541	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	1542	break;
jaroslav@810	1543	}
jaroslav@810	1544	}
jaroslav@810	1545	return toHex(val, width);
jaroslav@810	1546	}
jaroslav@810	1547
jaroslav@810	1548	static String toHex(int val) {
jaroslav@810	1549	int width;
jaroslav@810	1550	for (width = 8; width > 0; width--) {
jaroslav@810	1551	if ((val >> (width - 1) * 4) != 0) {
jaroslav@810	1552	break;
jaroslav@810	1553	}
jaroslav@810	1554	}
jaroslav@810	1555	return toHex(val, width);
jaroslav@810	1556	}
jaroslav@810	1557
jaroslav@810	1558	/**
jaroslav@810	1559	* Returns the name of this class.
jaroslav@810	1560	*/
jaroslav@810	1561	public String getClassName() {
jaroslav@810	1562	String res = null;
jaroslav@810	1563	if (this_class == 0) {
jaroslav@810	1564	return res;
jaroslav@810	1565	}
jaroslav@810	1566	int tcpx;
jaroslav@810	1567	try {
jaroslav@810	1568	if (tags[this_class] != CONSTANT_CLASS) {
jaroslav@810	1569	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	1570	}
jaroslav@810	1571	tcpx = ((CPX) cpool[this_class]).cpx;
jaroslav@810	1572	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1573	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	1574	} catch (Throwable e) {
jaroslav@810	1575	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1576	}
jaroslav@810	1577
jaroslav@810	1578	try {
jaroslav@810	1579	return (String) (cpool[tcpx]);
jaroslav@810	1580	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1581	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	1582	} catch (ClassCastException e) {
jaroslav@810	1583	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	1584	} catch (Throwable e) {
jaroslav@810	1585	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1586	}
jaroslav@810	1587
jaroslav@810	1588	}
jaroslav@810	1589
jaroslav@810	1590	/**
jaroslav@810	1591	* Returns the name of class at perticular index.
jaroslav@810	1592	*/
jaroslav@810	1593	public String getClassName(int cpx) {
jaroslav@810	1594	String res = "#" + cpx;
jaroslav@810	1595	if (cpx == 0) {
jaroslav@810	1596	return res;
jaroslav@810	1597	}
jaroslav@810	1598	int scpx;
jaroslav@810	1599	try {
jaroslav@810	1600	if (tags[cpx] != CONSTANT_CLASS) {
jaroslav@810	1601	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	1602	}
jaroslav@810	1603	scpx = ((CPX) cpool[cpx]).cpx;
jaroslav@810	1604	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1605	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	1606	} catch (Throwable e) {
jaroslav@810	1607	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1608	}
jaroslav@810	1609	res = "#" + scpx;
jaroslav@810	1610	try {
jaroslav@810	1611	return (String) (cpool[scpx]);
jaroslav@810	1612	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1613	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	1614	} catch (ClassCastException e) {
jaroslav@810	1615	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	1616	} catch (Throwable e) {
jaroslav@810	1617	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1618	}
jaroslav@810	1619	}
jaroslav@810	1620
jaroslav@810	1621	public int getAccessFlags() {
jaroslav@810	1622	return access;
jaroslav@810	1623	}
jaroslav@810	1624
jaroslav@810	1625	/**
jaroslav@810	1626	* Returns true if it is a class
jaroslav@810	1627	*/
jaroslav@810	1628	public boolean isClass() {
jaroslav@810	1629	if ((access & ACC_INTERFACE) == 0) {
jaroslav@810	1630	return true;
jaroslav@810	1631	}
jaroslav@810	1632	return false;
jaroslav@810	1633	}
jaroslav@810	1634
jaroslav@810	1635	/**
jaroslav@810	1636	* Returns true if it is a interface.
jaroslav@810	1637	*/
jaroslav@810	1638	public boolean isInterface() {
jaroslav@810	1639	if ((access & ACC_INTERFACE) != 0) {
jaroslav@810	1640	return true;
jaroslav@810	1641	}
jaroslav@810	1642	return false;
jaroslav@810	1643	}
jaroslav@810	1644
jaroslav@810	1645	/**
jaroslav@810	1646	* Returns true if this member is public, false otherwise.
jaroslav@810	1647	*/
jaroslav@810	1648	public boolean isPublic() {
jaroslav@810	1649	return (access & ACC_PUBLIC) != 0;
jaroslav@810	1650	}
jaroslav@810	1651
jaroslav@810	1652	/**
jaroslav@810	1653	* Returns the access of this class or interface.
jaroslav@810	1654	*/
jaroslav@810	1655	public String[] getAccess() {
jaroslav@810	1656	Vector v = new Vector();
jaroslav@810	1657	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	1658	v.addElement("public");
jaroslav@810	1659	}
jaroslav@810	1660	if ((access & ACC_FINAL) != 0) {
jaroslav@810	1661	v.addElement("final");
jaroslav@810	1662	}
jaroslav@810	1663	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	1664	v.addElement("abstract");
jaroslav@810	1665	}
jaroslav@810	1666	String[] accflags = new String[v.size()];
jaroslav@810	1667	v.copyInto(accflags);
jaroslav@810	1668	return accflags;
jaroslav@810	1669	}
jaroslav@810	1670
jaroslav@810	1671	/**
jaroslav@810	1672	* Returns list of innerclasses.
jaroslav@810	1673	*/
jaroslav@810	1674	public InnerClassData[] getInnerClasses() {
jaroslav@810	1675	return innerClasses;
jaroslav@810	1676	}
jaroslav@810	1677
jaroslav@810	1678	/**
jaroslav@810	1679	* Returns list of attributes.
jaroslav@810	1680	*/
jaroslav@810	1681	final AttrData[] getAttributes() {
jaroslav@810	1682	return attrs;
jaroslav@810	1683	}
jaroslav@810	1684
jaroslav@810	1685	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	1686	String n = classRetention
jaroslav@810	1687	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	1688	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	1689	return findAttr(n, attrs);
jaroslav@810	1690	}
jaroslav@810	1691
jaroslav@810	1692	/**
jaroslav@810	1693	* Returns true if superbit is set.
jaroslav@810	1694	*/
jaroslav@810	1695	public boolean isSuperSet() {
jaroslav@810	1696	if ((access & ACC_SUPER) != 0) {
jaroslav@810	1697	return true;
jaroslav@810	1698	}
jaroslav@810	1699	return false;
jaroslav@810	1700	}
jaroslav@810	1701
jaroslav@810	1702	/**
jaroslav@810	1703	* Returns super class name.
jaroslav@810	1704	*/
jaroslav@810	1705	public String getSuperClassName() {
jaroslav@810	1706	String res = null;
jaroslav@810	1707	if (super_class == 0) {
jaroslav@810	1708	return res;
jaroslav@810	1709	}
jaroslav@810	1710	int scpx;
jaroslav@810	1711	try {
jaroslav@810	1712	if (tags[super_class] != CONSTANT_CLASS) {
jaroslav@810	1713	return res; //"<CP["+cpx+"] is not a Class> ";
jaroslav@810	1714	}
jaroslav@810	1715	scpx = ((CPX) cpool[super_class]).cpx;
jaroslav@810	1716	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1717	return res; // "#"+cpx+"// invalid constant pool index";
jaroslav@810	1718	} catch (Throwable e) {
jaroslav@810	1719	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1720	}
jaroslav@810	1721
jaroslav@810	1722	try {
jaroslav@810	1723	return (String) (cpool[scpx]);
jaroslav@810	1724	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1725	return res; // "class #"+scpx+"// invalid constant pool index";
jaroslav@810	1726	} catch (ClassCastException e) {
jaroslav@810	1727	return res; // "class #"+scpx+"// invalid constant pool reference";
jaroslav@810	1728	} catch (Throwable e) {
jaroslav@810	1729	return res; // "#"+cpx+"// ERROR IN DISASSEMBLER";
jaroslav@810	1730	}
jaroslav@810	1731	}
jaroslav@810	1732
jaroslav@810	1733	/**
jaroslav@810	1734	* Returns list of super interfaces.
jaroslav@810	1735	*/
jaroslav@810	1736	public String[] getSuperInterfaces() {
jaroslav@810	1737	String interfacenames[] = new String[interfaces.length];
jaroslav@810	1738	int interfacecpx = -1;
jaroslav@810	1739	for (int i = 0; i < interfaces.length; i++) {
jaroslav@810	1740	interfacecpx = ((CPX) cpool[interfaces[i]]).cpx;
jaroslav@810	1741	interfacenames[i] = (String) (cpool[interfacecpx]);
jaroslav@810	1742	}
jaroslav@810	1743	return interfacenames;
jaroslav@810	1744	}
jaroslav@810	1745
jaroslav@810	1746	/**
jaroslav@810	1747	* Returns string at prticular constant pool index.
jaroslav@810	1748	*/
jaroslav@810	1749	public String getStringValue(int cpoolx) {
jaroslav@810	1750	try {
jaroslav@810	1751	return ((String) cpool[cpoolx]);
jaroslav@810	1752	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1753	return "//invalid constant pool index:" + cpoolx;
jaroslav@810	1754	} catch (ClassCastException e) {
jaroslav@810	1755	return "//invalid constant pool ref:" + cpoolx;
jaroslav@810	1756	}
jaroslav@810	1757	}
jaroslav@810	1758
jaroslav@810	1759	/**
jaroslav@810	1760	* Returns list of field info.
jaroslav@810	1761	*/
jaroslav@810	1762	public FieldData[] getFields() {
jaroslav@810	1763	return fields;
jaroslav@810	1764	}
jaroslav@810	1765
jaroslav@810	1766	/**
jaroslav@810	1767	* Returns list of method info.
jaroslav@810	1768	*/
jaroslav@810	1769	public MethodData[] getMethods() {
jaroslav@810	1770	return methods;
jaroslav@810	1771	}
jaroslav@810	1772
jaroslav@810	1773	/**
jaroslav@810	1774	* Returns constant pool entry at that index.
jaroslav@810	1775	*/
jaroslav@810	1776	public CPX2 getCpoolEntry(int cpx) {
jaroslav@810	1777	return ((CPX2) (cpool[cpx]));
jaroslav@810	1778	}
jaroslav@810	1779
jaroslav@810	1780	public Object getCpoolEntryobj(int cpx) {
jaroslav@810	1781	return (cpool[cpx]);
jaroslav@810	1782	}
jaroslav@810	1783
jaroslav@810	1784	/**
jaroslav@810	1785	* Returns index of this class.
jaroslav@810	1786	*/
jaroslav@810	1787	public int getthis_cpx() {
jaroslav@810	1788	return this_class;
jaroslav@810	1789	}
jaroslav@810	1790
jaroslav@810	1791	/**
jaroslav@810	1792	* Returns string at that index.
jaroslav@810	1793	*/
jaroslav@810	1794	public String StringValue(int cpx) {
jaroslav@810	1795	return stringValue(cpx, false);
jaroslav@810	1796	}
jaroslav@810	1797
jaroslav@810	1798	public String stringValue(int cpx, boolean textual) {
jaroslav@810	1799	return stringValue(cpx, textual, null);
jaroslav@810	1800	}
jaroslav@810	1801
jaroslav@810	1802	public String stringValue(int cpx, String[] classRefs) {
jaroslav@810	1803	return stringValue(cpx, true, classRefs);
jaroslav@810	1804	}
jaroslav@810	1805
jaroslav@810	1806	private String stringValue(int cpx, boolean textual, String[] refs) {
jaroslav@810	1807	if (cpx == 0) {
jaroslav@810	1808	return "#0";
jaroslav@810	1809	}
jaroslav@810	1810	int tag;
jaroslav@810	1811	Object x;
jaroslav@810	1812	String suffix = "";
jaroslav@810	1813	try {
jaroslav@810	1814	tag = tags[cpx];
jaroslav@810	1815	x = cpool[cpx];
jaroslav@810	1816	} catch (IndexOutOfBoundsException e) {
jaroslav@810	1817	return "<Incorrect CP index:" + cpx + ">";
jaroslav@810	1818	}
jaroslav@810	1819
jaroslav@810	1820	if (x == null) {
jaroslav@810	1821	return "<NULL>";
jaroslav@810	1822	}
jaroslav@810	1823	switch (tag) {
jaroslav@810	1824	case CONSTANT_UTF8: {
jaroslav@810	1825	if (!textual) {
jaroslav@810	1826	return (String) x;
jaroslav@810	1827	}
jaroslav@810	1828	StringBuilder sb = new StringBuilder();
jaroslav@810	1829	String s = (String) x;
jaroslav@810	1830	for (int k = 0; k < s.length(); k++) {
jaroslav@810	1831	char c = s.charAt(k);
jaroslav@810	1832	switch (c) {
jaroslav@810	1833	case '\\':
jaroslav@810	1834	sb.append('\\').append('\\');
jaroslav@810	1835	break;
jaroslav@810	1836	case '\t':
jaroslav@810	1837	sb.append('\\').append('t');
jaroslav@810	1838	break;
jaroslav@810	1839	case '\n':
jaroslav@810	1840	sb.append('\\').append('n');
jaroslav@810	1841	break;
jaroslav@810	1842	case '\r':
jaroslav@810	1843	sb.append('\\').append('r');
jaroslav@810	1844	break;
jaroslav@810	1845	case '\"':
jaroslav@810	1846	sb.append('\\').append('\"');
jaroslav@810	1847	break;
jaroslav@1354	1848	case '\u2028':
jaroslav@1354	1849	sb.append("\\u2028");
jaroslav@1354	1850	break;
jaroslav@1354	1851	case '\u2029':
jaroslav@1354	1852	sb.append("\\u2029");
jaroslav@1354	1853	break;
jaroslav@810	1854	default:
jaroslav@810	1855	sb.append(c);
jaroslav@810	1856	}
jaroslav@810	1857	}
jaroslav@810	1858	return sb.toString();
jaroslav@810	1859	}
jaroslav@810	1860	case CONSTANT_DOUBLE: {
jaroslav@810	1861	Double d = (Double) x;
jaroslav@810	1862	String sd = d.toString();
jaroslav@810	1863	if (textual) {
jaroslav@810	1864	return sd;
jaroslav@810	1865	}
jaroslav@810	1866	return sd + "d";
jaroslav@810	1867	}
jaroslav@810	1868	case CONSTANT_FLOAT: {
jaroslav@810	1869	Float f = (Float) x;
jaroslav@810	1870	String sf = (f).toString();
jaroslav@810	1871	if (textual) {
jaroslav@810	1872	return sf;
jaroslav@810	1873	}
jaroslav@810	1874	return sf + "f";
jaroslav@810	1875	}
jaroslav@810	1876	case CONSTANT_LONG: {
jaroslav@810	1877	Long ln = (Long) x;
jaroslav@810	1878	if (textual) {
jaroslav@810	1879	return ln.toString();
jaroslav@810	1880	}
jaroslav@810	1881	return ln.toString() + 'l';
jaroslav@810	1882	}
jaroslav@810	1883	case CONSTANT_INTEGER: {
jaroslav@810	1884	Integer in = (Integer) x;
jaroslav@810	1885	return in.toString();
jaroslav@810	1886	}
jaroslav@810	1887	case CONSTANT_CLASS:
jaroslav@810	1888	String jn = getClassName(cpx);
jaroslav@810	1889	if (textual) {
jaroslav@810	1890	if (refs != null) {
jaroslav@810	1891	refs[0] = jn;
jaroslav@810	1892	}
jaroslav@810	1893	return jn;
jaroslav@810	1894	}
jaroslav@810	1895	return javaName(jn);
jaroslav@810	1896	case CONSTANT_STRING:
jaroslav@810	1897	String sv = stringValue(((CPX) x).cpx, textual);
jaroslav@810	1898	if (textual) {
jaroslav@810	1899	return '"' + sv + '"';
jaroslav@810	1900	} else {
jaroslav@810	1901	return sv;
jaroslav@810	1902	}
jaroslav@810	1903	case CONSTANT_FIELD:
jaroslav@810	1904	case CONSTANT_METHOD:
jaroslav@810	1905	case CONSTANT_INTERFACEMETHOD:
jaroslav@810	1906	//return getShortClassName(((CPX2)x).cpx1)+"."+StringValue(((CPX2)x).cpx2);
jaroslav@810	1907	return javaName(getClassName(((CPX2) x).cpx1)) + "." + StringValue(((CPX2) x).cpx2);
jaroslav@810	1908
jaroslav@810	1909	case CONSTANT_NAMEANDTYPE:
jaroslav@810	1910	return getName(((CPX2) x).cpx1) + ":" + StringValue(((CPX2) x).cpx2);
jaroslav@810	1911	default:
jaroslav@810	1912	return "UnknownTag"; //TBD
jaroslav@810	1913	}
jaroslav@810	1914	}
jaroslav@810	1915
jaroslav@810	1916	/**
jaroslav@810	1917	* Returns resolved java type name.
jaroslav@810	1918	*/
jaroslav@810	1919	public String javaName(String name) {
jaroslav@810	1920	if (name == null) {
jaroslav@810	1921	return "null";
jaroslav@810	1922	}
jaroslav@810	1923	int len = name.length();
jaroslav@810	1924	if (len == 0) {
jaroslav@810	1925	return "\"\"";
jaroslav@810	1926	}
jaroslav@810	1927	int cc = '/';
jaroslav@810	1928	fullname:
jaroslav@810	1929	{ // xxx/yyy/zzz
jaroslav@810	1930	int cp;
jaroslav@810	1931	for (int k = 0; k < len; k += Character.charCount(cp)) {
jaroslav@810	1932	cp = name.codePointAt(k);
jaroslav@810	1933	if (cc == '/') {
jaroslav@810	1934	if (!isJavaIdentifierStart(cp)) {
jaroslav@810	1935	break fullname;
jaroslav@810	1936	}
jaroslav@810	1937	} else if (cp != '/') {
jaroslav@810	1938	if (!isJavaIdentifierPart(cp)) {
jaroslav@810	1939	break fullname;
jaroslav@810	1940	}
jaroslav@810	1941	}
jaroslav@810	1942	cc = cp;
jaroslav@810	1943	}
jaroslav@810	1944	return name;
jaroslav@810	1945	}
jaroslav@810	1946	return "\"" + name + "\"";
jaroslav@810	1947	}
jaroslav@810	1948
jaroslav@810	1949	public String getName(int cpx) {
jaroslav@810	1950	String res;
jaroslav@810	1951	try {
jaroslav@810	1952	return javaName((String) cpool[cpx]); //.replace('/','.');
jaroslav@810	1953	} catch (ArrayIndexOutOfBoundsException e) {
jaroslav@810	1954	return "<invalid constant pool index:" + cpx + ">";
jaroslav@810	1955	} catch (ClassCastException e) {
jaroslav@810	1956	return "<invalid constant pool ref:" + cpx + ">";
jaroslav@810	1957	}
jaroslav@810	1958	}
jaroslav@810	1959
jaroslav@810	1960	/**
jaroslav@810	1961	* Returns unqualified class name.
jaroslav@810	1962	*/
jaroslav@810	1963	public String getShortClassName(int cpx) {
jaroslav@810	1964	String classname = javaName(getClassName(cpx));
jaroslav@810	1965	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1966	if (pkgPrefixLen != 0) {
jaroslav@810	1967	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1968	if (classname.startsWith(pkgPrefix)) {
jaroslav@810	1969	return classname.substring(pkgPrefixLen);
jaroslav@810	1970	}
jaroslav@810	1971	}
jaroslav@810	1972	return classname;
jaroslav@810	1973	}
jaroslav@810	1974
jaroslav@810	1975	/**
jaroslav@810	1976	* Returns source file name.
jaroslav@810	1977	*/
jaroslav@810	1978	public String getSourceName() {
jaroslav@810	1979	return getName(source_cpx);
jaroslav@810	1980	}
jaroslav@810	1981
jaroslav@810	1982	/**
jaroslav@810	1983	* Returns package name.
jaroslav@810	1984	*/
jaroslav@810	1985	public String getPkgName() {
jaroslav@810	1986	String classname = getClassName(this_class);
jaroslav@810	1987	pkgPrefixLen = classname.lastIndexOf("/") + 1;
jaroslav@810	1988	if (pkgPrefixLen != 0) {
jaroslav@810	1989	pkgPrefix = classname.substring(0, pkgPrefixLen);
jaroslav@810	1990	return ("package " + pkgPrefix.substring(0, pkgPrefixLen - 1) + ";\n");
jaroslav@810	1991	} else {
jaroslav@810	1992	return null;
jaroslav@810	1993	}
jaroslav@810	1994	}
jaroslav@810	1995
jaroslav@810	1996	/**
jaroslav@810	1997	* Returns total constant pool entry count.
jaroslav@810	1998	*/
jaroslav@810	1999	public int getCpoolCount() {
jaroslav@810	2000	return cpool_count;
jaroslav@810	2001	}
jaroslav@810	2002
jaroslav@810	2003	/**
jaroslav@810	2004	* Returns minor version of class file.
jaroslav@810	2005	*/
jaroslav@810	2006	public int getMinor_version() {
jaroslav@810	2007	return minor_version;
jaroslav@810	2008	}
jaroslav@810	2009
jaroslav@810	2010	/**
jaroslav@810	2011	* Returns major version of class file.
jaroslav@810	2012	*/
jaroslav@810	2013	public int getMajor_version() {
jaroslav@810	2014	return major_version;
jaroslav@810	2015	}
jaroslav@810	2016
jaroslav@810	2017	private boolean isJavaIdentifierStart(int cp) {
jaroslav@810	2018	return ('a' <= cp && cp <= 'z') \|\| ('A' <= cp && cp <= 'Z');
jaroslav@810	2019	}
jaroslav@810	2020
jaroslav@810	2021	private boolean isJavaIdentifierPart(int cp) {
jaroslav@810	2022	return isJavaIdentifierStart(cp) \|\| ('0' <= cp && cp <= '9');
jaroslav@810	2023	}
jaroslav@810	2024
jaroslav@810	2025	public String[] getNameAndType(int indx) {
jaroslav@810	2026	return getNameAndType(indx, 0, new String[2]);
jaroslav@810	2027	}
jaroslav@810	2028
jaroslav@810	2029	private String[] getNameAndType(int indx, int at, String[] arr) {
jaroslav@810	2030	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	2031	arr[at] = StringValue(c2.cpx1);
jaroslav@810	2032	arr[at + 1] = StringValue(c2.cpx2);
jaroslav@810	2033	return arr;
jaroslav@810	2034	}
jaroslav@810	2035
jaroslav@810	2036	public String[] getFieldInfoName(int indx) {
jaroslav@810	2037	CPX2 c2 = getCpoolEntry(indx);
jaroslav@810	2038	String[] arr = new String[3];
jaroslav@810	2039	arr[0] = getClassName(c2.cpx1);
jaroslav@810	2040	return getNameAndType(c2.cpx2, 1, arr);
jaroslav@810	2041	}
jaroslav@810	2042
jaroslav@810	2043	static byte[] findAttr(String n, AttrData[] attrs) {
jaroslav@810	2044	for (AttrData ad : attrs) {
jaroslav@810	2045	if (n.equals(ad.getAttrName())) {
jaroslav@810	2046	return ad.getData();
jaroslav@810	2047	}
jaroslav@810	2048	}
jaroslav@810	2049	return null;
jaroslav@810	2050	}
jaroslav@810	2051	}
jaroslav@810	2052
jaroslav@810	2053	/**
jaroslav@810	2054	* Strores field data informastion.
jaroslav@810	2055	*
jaroslav@810	2056	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2057	*/
jaroslav@810	2058	static class FieldData {
jaroslav@810	2059
jaroslav@810	2060	ClassData cls;
jaroslav@810	2061	int access;
jaroslav@810	2062	int name_index;
jaroslav@810	2063	int descriptor_index;
jaroslav@810	2064	int attributes_count;
jaroslav@810	2065	int value_cpx = 0;
jaroslav@810	2066	boolean isSynthetic = false;
jaroslav@810	2067	boolean isDeprecated = false;
jaroslav@810	2068	Vector attrs;
jaroslav@810	2069
jaroslav@810	2070	public FieldData(ClassData cls) {
jaroslav@810	2071	this.cls = cls;
jaroslav@810	2072	}
jaroslav@810	2073
jaroslav@810	2074	/**
jaroslav@810	2075	* Read and store field info.
jaroslav@810	2076	*/
jaroslav@810	2077	public void read(DataInputStream in) throws IOException {
jaroslav@810	2078	access = in.readUnsignedShort();
jaroslav@810	2079	name_index = in.readUnsignedShort();
jaroslav@810	2080	descriptor_index = in.readUnsignedShort();
jaroslav@810	2081	// Read the attributes
jaroslav@810	2082	int attributes_count = in.readUnsignedShort();
jaroslav@810	2083	attrs = new Vector(attributes_count);
jaroslav@810	2084	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	2085	int attr_name_index = in.readUnsignedShort();
jaroslav@810	2086	if (cls.getTag(attr_name_index) != CONSTANT_UTF8) {
jaroslav@810	2087	continue;
jaroslav@810	2088	}
jaroslav@810	2089	String attr_name = cls.getString(attr_name_index);
jaroslav@810	2090	if (attr_name.equals("ConstantValue")) {
jaroslav@810	2091	if (in.readInt() != 2) {
jaroslav@810	2092	throw new ClassFormatError("invalid ConstantValue attr length");
jaroslav@810	2093	}
jaroslav@810	2094	value_cpx = in.readUnsignedShort();
jaroslav@810	2095	AttrData attr = new AttrData(cls);
jaroslav@810	2096	attr.read(attr_name_index);
jaroslav@810	2097	attrs.addElement(attr);
jaroslav@810	2098	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	2099	if (in.readInt() != 0) {
jaroslav@810	2100	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	2101	}
jaroslav@810	2102	isSynthetic = true;
jaroslav@810	2103	AttrData attr = new AttrData(cls);
jaroslav@810	2104	attr.read(attr_name_index);
jaroslav@810	2105	attrs.addElement(attr);
jaroslav@810	2106	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	2107	if (in.readInt() != 0) {
jaroslav@810	2108	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	2109	}
jaroslav@810	2110	isDeprecated = true;
jaroslav@810	2111	AttrData attr = new AttrData(cls);
jaroslav@810	2112	attr.read(attr_name_index);
jaroslav@810	2113	attrs.addElement(attr);
jaroslav@810	2114	} else {
jaroslav@810	2115	AttrData attr = new AttrData(cls);
jaroslav@810	2116	attr.read(attr_name_index, in);
jaroslav@810	2117	attrs.addElement(attr);
jaroslav@810	2118	}
jaroslav@810	2119	}
jaroslav@810	2120
jaroslav@810	2121	} // end read
jaroslav@810	2122
jaroslav@810	2123	public boolean isStatic() {
jaroslav@810	2124	return (access & ACC_STATIC) != 0;
jaroslav@810	2125	}
jaroslav@810	2126
jaroslav@810	2127	/**
jaroslav@810	2128	* Returns access of a field.
jaroslav@810	2129	*/
jaroslav@810	2130	public String[] getAccess() {
jaroslav@810	2131	Vector v = new Vector();
jaroslav@810	2132	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	2133	v.addElement("public");
jaroslav@810	2134	}
jaroslav@810	2135	if ((access & ACC_PRIVATE) != 0) {
jaroslav@810	2136	v.addElement("private");
jaroslav@810	2137	}
jaroslav@810	2138	if ((access & ACC_PROTECTED) != 0) {
jaroslav@810	2139	v.addElement("protected");
jaroslav@810	2140	}
jaroslav@810	2141	if ((access & ACC_STATIC) != 0) {
jaroslav@810	2142	v.addElement("static");
jaroslav@810	2143	}
jaroslav@810	2144	if ((access & ACC_FINAL) != 0) {
jaroslav@810	2145	v.addElement("final");
jaroslav@810	2146	}
jaroslav@810	2147	if ((access & ACC_VOLATILE) != 0) {
jaroslav@810	2148	v.addElement("volatile");
jaroslav@810	2149	}
jaroslav@810	2150	if ((access & ACC_TRANSIENT) != 0) {
jaroslav@810	2151	v.addElement("transient");
jaroslav@810	2152	}
jaroslav@810	2153	String[] accflags = new String[v.size()];
jaroslav@810	2154	v.copyInto(accflags);
jaroslav@810	2155	return accflags;
jaroslav@810	2156	}
jaroslav@810	2157
jaroslav@810	2158	/**
jaroslav@810	2159	* Returns name of a field.
jaroslav@810	2160	*/
jaroslav@810	2161	public String getName() {
jaroslav@810	2162	return cls.getStringValue(name_index);
jaroslav@810	2163	}
jaroslav@810	2164
jaroslav@810	2165	/**
jaroslav@810	2166	* Returns internal signature of a field
jaroslav@810	2167	*/
jaroslav@810	2168	public String getInternalSig() {
jaroslav@810	2169	return cls.getStringValue(descriptor_index);
jaroslav@810	2170	}
jaroslav@810	2171
jaroslav@810	2172	/**
jaroslav@810	2173	* Returns true if field is synthetic.
jaroslav@810	2174	*/
jaroslav@810	2175	public boolean isSynthetic() {
jaroslav@810	2176	return isSynthetic;
jaroslav@810	2177	}
jaroslav@810	2178
jaroslav@810	2179	/**
jaroslav@810	2180	* Returns true if field is deprecated.
jaroslav@810	2181	*/
jaroslav@810	2182	public boolean isDeprecated() {
jaroslav@810	2183	return isDeprecated;
jaroslav@810	2184	}
jaroslav@810	2185
jaroslav@810	2186	/**
jaroslav@810	2187	* Returns index of constant value in cpool.
jaroslav@810	2188	*/
jaroslav@810	2189	public int getConstantValueIndex() {
jaroslav@810	2190	return (value_cpx);
jaroslav@810	2191	}
jaroslav@810	2192
jaroslav@810	2193	/**
jaroslav@810	2194	* Returns list of attributes of field.
jaroslav@810	2195	*/
jaroslav@810	2196	public Vector getAttributes() {
jaroslav@810	2197	return attrs;
jaroslav@810	2198	}
jaroslav@810	2199
jaroslav@810	2200	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	2201	String n = classRetention
jaroslav@810	2202	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	2203	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	2204	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	2205	attrs.copyInto(arr);
jaroslav@810	2206	return ClassData.findAttr(n, arr);
jaroslav@810	2207	}
jaroslav@810	2208	}
jaroslav@810	2209
jaroslav@810	2210	/**
jaroslav@810	2211	* A JavaScript optimized replacement for Hashtable.
jaroslav@810	2212	*
jaroslav@810	2213	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	2214	*/
jaroslav@810	2215	private static final class Hashtable {
jaroslav@810	2216
jaroslav@810	2217	private Object[] keys;
jaroslav@810	2218	private Object[] values;
jaroslav@810	2219
jaroslav@810	2220	Hashtable(int i) {
jaroslav@810	2221	this();
jaroslav@810	2222	}
jaroslav@810	2223
jaroslav@810	2224	Hashtable(int i, double d) {
jaroslav@810	2225	this();
jaroslav@810	2226	}
jaroslav@810	2227
jaroslav@810	2228	Hashtable() {
jaroslav@810	2229	}
jaroslav@810	2230
jaroslav@810	2231	synchronized void put(Object key, Object val) {
jaroslav@810	2232	int[] where = {-1, -1};
jaroslav@810	2233	Object found = get(key, where);
jaroslav@810	2234	if (where[0] != -1) {
jaroslav@810	2235	// key exists
jaroslav@810	2236	values[where[0]] = val;
jaroslav@810	2237	} else {
jaroslav@810	2238	if (where[1] != -1) {
jaroslav@810	2239	// null found
jaroslav@810	2240	keys[where[1]] = key;
jaroslav@810	2241	values[where[1]] = val;
jaroslav@810	2242	} else {
jaroslav@810	2243	if (keys == null) {
jaroslav@810	2244	keys = new Object[11];
jaroslav@810	2245	values = new Object[11];
jaroslav@810	2246	keys[0] = key;
jaroslav@810	2247	values[0] = val;
jaroslav@810	2248	} else {
jaroslav@810	2249	Object[] newKeys = new Object[keys.length * 2];
jaroslav@810	2250	Object[] newValues = new Object[values.length * 2];
jaroslav@810	2251	for (int i = 0; i < keys.length; i++) {
jaroslav@810	2252	newKeys[i] = keys[i];
jaroslav@810	2253	newValues[i] = values[i];
jaroslav@810	2254	}
jaroslav@810	2255	newKeys[keys.length] = key;
jaroslav@810	2256	newValues[keys.length] = val;
jaroslav@810	2257	keys = newKeys;
jaroslav@810	2258	values = newValues;
jaroslav@810	2259	}
jaroslav@810	2260	}
jaroslav@810	2261	}
jaroslav@810	2262	}
jaroslav@810	2263
jaroslav@810	2264	Object get(Object key) {
jaroslav@810	2265	return get(key, null);
jaroslav@810	2266	}
jaroslav@810	2267
jaroslav@810	2268	private synchronized Object get(Object key, int[] foundAndNull) {
jaroslav@810	2269	if (keys == null) {
jaroslav@810	2270	return null;
jaroslav@810	2271	}
jaroslav@810	2272	for (int i = 0; i < keys.length; i++) {
jaroslav@810	2273	if (keys[i] == null) {
jaroslav@810	2274	if (foundAndNull != null) {
jaroslav@810	2275	foundAndNull[1] = i;
jaroslav@810	2276	}
jaroslav@810	2277	} else if (keys[i].equals(key)) {
jaroslav@810	2278	if (foundAndNull != null) {
jaroslav@810	2279	foundAndNull[0] = i;
jaroslav@810	2280	}
jaroslav@810	2281	return values[i];
jaroslav@810	2282	}
jaroslav@810	2283	}
jaroslav@810	2284	return null;
jaroslav@810	2285	}
jaroslav@810	2286	}
jaroslav@810	2287
jaroslav@810	2288	/**
jaroslav@810	2289	* Strores InnerClass data informastion.
jaroslav@810	2290	*
jaroslav@810	2291	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2292	*/
jaroslav@810	2293	private static class InnerClassData {
jaroslav@810	2294
jaroslav@810	2295	ClassData cls;
jaroslav@810	2296	int inner_class_info_index, outer_class_info_index, inner_name_index, access;
jaroslav@810	2297
jaroslav@810	2298	public InnerClassData(ClassData cls) {
jaroslav@810	2299	this.cls = cls;
jaroslav@810	2300
jaroslav@810	2301	}
jaroslav@810	2302
jaroslav@810	2303	/**
jaroslav@810	2304	* Read Innerclass attribute data.
jaroslav@810	2305	*/
jaroslav@810	2306	public void read(DataInputStream in) throws IOException {
jaroslav@810	2307	inner_class_info_index = in.readUnsignedShort();
jaroslav@810	2308	outer_class_info_index = in.readUnsignedShort();
jaroslav@810	2309	inner_name_index = in.readUnsignedShort();
jaroslav@810	2310	access = in.readUnsignedShort();
jaroslav@810	2311	} // end read
jaroslav@810	2312
jaroslav@810	2313	/**
jaroslav@810	2314	* Returns the access of this class or interface.
jaroslav@810	2315	*/
jaroslav@810	2316	public String[] getAccess() {
jaroslav@810	2317	Vector v = new Vector();
jaroslav@810	2318	if ((access & ACC_PUBLIC) != 0) {
jaroslav@810	2319	v.addElement("public");
jaroslav@810	2320	}
jaroslav@810	2321	if ((access & ACC_FINAL) != 0) {
jaroslav@810	2322	v.addElement("final");
jaroslav@810	2323	}
jaroslav@810	2324	if ((access & ACC_ABSTRACT) != 0) {
jaroslav@810	2325	v.addElement("abstract");
jaroslav@810	2326	}
jaroslav@810	2327	String[] accflags = new String[v.size()];
jaroslav@810	2328	v.copyInto(accflags);
jaroslav@810	2329	return accflags;
jaroslav@810	2330	}
jaroslav@810	2331	} // end InnerClassData
jaroslav@810	2332
jaroslav@810	2333	/**
jaroslav@810	2334	* Strores LineNumberTable data information.
jaroslav@810	2335	*
jaroslav@810	2336	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2337	*/
jaroslav@810	2338	private static class LineNumData {
jaroslav@810	2339
jaroslav@810	2340	short start_pc, line_number;
jaroslav@810	2341
jaroslav@810	2342	public LineNumData() {
jaroslav@810	2343	}
jaroslav@810	2344
jaroslav@810	2345	/**
jaroslav@810	2346	* Read LineNumberTable attribute.
jaroslav@810	2347	*/
jaroslav@810	2348	public LineNumData(DataInputStream in) throws IOException {
jaroslav@810	2349	start_pc = in.readShort();
jaroslav@810	2350	line_number = in.readShort();
jaroslav@810	2351
jaroslav@810	2352	}
jaroslav@810	2353	}
jaroslav@810	2354
jaroslav@810	2355	/**
jaroslav@810	2356	* Strores LocalVariableTable data information.
jaroslav@810	2357	*
jaroslav@810	2358	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2359	*/
jaroslav@810	2360	private static class LocVarData {
jaroslav@810	2361
jaroslav@810	2362	short start_pc, length, name_cpx, sig_cpx, slot;
jaroslav@810	2363
jaroslav@810	2364	public LocVarData() {
jaroslav@810	2365	}
jaroslav@810	2366
jaroslav@810	2367	/**
jaroslav@810	2368	* Read LocalVariableTable attribute.
jaroslav@810	2369	*/
jaroslav@810	2370	public LocVarData(DataInputStream in) throws IOException {
jaroslav@810	2371	start_pc = in.readShort();
jaroslav@810	2372	length = in.readShort();
jaroslav@810	2373	name_cpx = in.readShort();
jaroslav@810	2374	sig_cpx = in.readShort();
jaroslav@810	2375	slot = in.readShort();
jaroslav@810	2376
jaroslav@810	2377	}
jaroslav@810	2378	}
jaroslav@810	2379	/**
jaroslav@810	2380	* Strores method data informastion.
jaroslav@810	2381	*
jaroslav@810	2382	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	2383	*/
jaroslav@810	2384	static class MethodData {
jaroslav@810	2385
jaroslav@810	2386	ClassData cls;
jaroslav@810	2387	int access;
jaroslav@810	2388	int name_index;
jaroslav@810	2389	int descriptor_index;
jaroslav@810	2390	int attributes_count;
jaroslav@810	2391	byte[] code;
jaroslav@810	2392	Vector exception_table = new Vector(0);
jaroslav@810	2393	Vector lin_num_tb = new Vector(0);
jaroslav@810	2394	Vector loc_var_tb = new Vector(0);
jaroslav@810	2395	StackMapTableData[] stackMapTable;
jaroslav@810	2396	StackMapData[] stackMap;
jaroslav@810	2397	int[] exc_index_table = null;
jaroslav@810	2398	Vector attrs = new Vector(0);
jaroslav@810	2399	Vector code_attrs = new Vector(0);
jaroslav@810	2400	int max_stack, max_locals;
jaroslav@810	2401	boolean isSynthetic = false;
jaroslav@810	2402	boolean isDeprecated = false;
jaroslav@810	2403
jaroslav@810	2404	public MethodData(ClassData cls) {
jaroslav@810	2405	this.cls = cls;
jaroslav@810	2406	}
jaroslav@810	2407
jaroslav@810	2408	/**
jaroslav@810	2409	* Read method info.
jaroslav@810	2410	*/
jaroslav@810	2411	public void read(DataInputStream in) throws IOException {
jaroslav@810	2412	access = in.readUnsignedShort();
jaroslav@810	2413	name_index = in.readUnsignedShort();
jaroslav@810	2414	descriptor_index = in.readUnsignedShort();
jaroslav@810	2415	int attributes_count = in.readUnsignedShort();
jaroslav@810	2416	for (int i = 0; i < attributes_count; i++) {
jaroslav@810	2417	int attr_name_index = in.readUnsignedShort();
jaroslav@810	2418
jaroslav@810	2419	readAttr:
jaroslav@810	2420	{
jaroslav@810	2421	if (cls.getTag(attr_name_index) == CONSTANT_UTF8) {
jaroslav@810	2422	String attr_name = cls.getString(attr_name_index);
jaroslav@810	2423	if (attr_name.equals("Code")) {
jaroslav@810	2424	readCode(in);
jaroslav@810	2425	AttrData attr = new AttrData(cls);
jaroslav@810	2426	attr.read(attr_name_index);
jaroslav@810	2427	attrs.addElement(attr);
jaroslav@810	2428	break readAttr;
jaroslav@810	2429	} else if (attr_name.equals("Exceptions")) {
jaroslav@810	2430	readExceptions(in);
jaroslav@810	2431	AttrData attr = new AttrData(cls);
jaroslav@810	2432	attr.read(attr_name_index);
jaroslav@810	2433	attrs.addElement(attr);
jaroslav@810	2434	break readAttr;
jaroslav@810	2435	} else if (attr_name.equals("Synthetic")) {
jaroslav@810	2436	if (in.readInt() != 0) {
jaroslav@810	2437	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	2438	}
jaroslav@810	2439	isSynthetic = true;
jaroslav@810	2440	AttrData attr = new AttrData(cls);
jaroslav@810	2441	attr.read(attr_name_index);
jaroslav@810	2442	attrs.addElement(attr);
jaroslav@810	2443	break readAttr;
jaroslav@810	2444	} else if (attr_name.equals("Deprecated")) {
jaroslav@810	2445	if (in.readInt() != 0) {
jaroslav@810	2446	throw new ClassFormatError("invalid Synthetic attr length");
jaroslav@810	2447	}
jaroslav@810	2448	isDeprecated = true;
jaroslav@810	2449	AttrData attr = new AttrData(cls);
jaroslav@810	2450	attr.read(attr_name_index);
jaroslav@810	2451	attrs.addElement(attr);
jaroslav@810	2452	break readAttr;
jaroslav@810	2453	}
jaroslav@810	2454	}
jaroslav@810	2455	AttrData attr = new AttrData(cls);
jaroslav@810	2456	attr.read(attr_name_index, in);
jaroslav@810	2457	attrs.addElement(attr);
jaroslav@810	2458	}
jaroslav@810	2459	}
jaroslav@810	2460	}
jaroslav@810	2461
jaroslav@810	2462	/**
jaroslav@810	2463	* Read code attribute info.
jaroslav@810	2464	*/
jaroslav@810	2465	public void readCode(DataInputStream in) throws IOException {
jaroslav@810	2466
jaroslav@810	2467	int attr_length = in.readInt();
jaroslav@810	2468	max_stack = in.readUnsignedShort();
jaroslav@810	2469	max_locals = in.readUnsignedShort();
jaroslav@810	2470	int codelen = in.readInt();
jaroslav@810	2471
jaroslav@810	2472	code = new byte[codelen];
jaroslav@810	2473	int totalread = 0;
jaroslav@810	2474	while (totalread < codelen) {
jaroslav@810	2475	totalread += in.read(code, totalread, codelen - totalread);
jaroslav@810	2476	}
jaroslav@810	2477	// in.read(code, 0, codelen);
jaroslav@810	2478	int clen = 0;
jaroslav@810	2479	readExceptionTable(in);
jaroslav@810	2480	int code_attributes_count = in.readUnsignedShort();
jaroslav@810	2481
jaroslav@810	2482	for (int k = 0; k < code_attributes_count; k++) {
jaroslav@810	2483	int table_name_index = in.readUnsignedShort();
jaroslav@810	2484	int table_name_tag = cls.getTag(table_name_index);
jaroslav@810	2485	AttrData attr = new AttrData(cls);
jaroslav@810	2486	if (table_name_tag == CONSTANT_UTF8) {
jaroslav@810	2487	String table_name_tstr = cls.getString(table_name_index);
jaroslav@810	2488	if (table_name_tstr.equals("LineNumberTable")) {
jaroslav@810	2489	readLineNumTable(in);
jaroslav@810	2490	attr.read(table_name_index);
jaroslav@810	2491	} else if (table_name_tstr.equals("LocalVariableTable")) {
jaroslav@810	2492	readLocVarTable(in);
jaroslav@810	2493	attr.read(table_name_index);
jaroslav@810	2494	} else if (table_name_tstr.equals("StackMapTable")) {
jaroslav@810	2495	readStackMapTable(in);
jaroslav@810	2496	attr.read(table_name_index);
jaroslav@810	2497	} else if (table_name_tstr.equals("StackMap")) {
jaroslav@810	2498	readStackMap(in);
jaroslav@810	2499	attr.read(table_name_index);
jaroslav@810	2500	} else {
jaroslav@810	2501	attr.read(table_name_index, in);
jaroslav@810	2502	}
jaroslav@810	2503	code_attrs.addElement(attr);
jaroslav@810	2504	continue;
jaroslav@810	2505	}
jaroslav@810	2506
jaroslav@810	2507	attr.read(table_name_index, in);
jaroslav@810	2508	code_attrs.addElement(attr);
jaroslav@810	2509	}
jaroslav@810	2510	}
jaroslav@810	2511
jaroslav@810	2512	/**
jaroslav@810	2513	* Read exception table info.
jaroslav@810	2514	*/
jaroslav@810	2515	void readExceptionTable(DataInputStream in) throws IOException {
jaroslav@810	2516	int exception_table_len = in.readUnsignedShort();
jaroslav@810	2517	exception_table = new Vector(exception_table_len);
jaroslav@810	2518	for (int l = 0; l < exception_table_len; l++) {
jaroslav@810	2519	exception_table.addElement(new TrapData(in, l));
jaroslav@810	2520	}
jaroslav@810	2521	}
jaroslav@810	2522
jaroslav@810	2523	/**
jaroslav@810	2524	* Read LineNumberTable attribute info.
jaroslav@810	2525	*/
jaroslav@810	2526	void readLineNumTable(DataInputStream in) throws IOException {
jaroslav@810	2527	int attr_len = in.readInt(); // attr_length
jaroslav@810	2528	int lin_num_tb_len = in.readUnsignedShort();
jaroslav@810	2529	lin_num_tb = new Vector(lin_num_tb_len);
jaroslav@810	2530	for (int l = 0; l < lin_num_tb_len; l++) {
jaroslav@810	2531	lin_num_tb.addElement(new LineNumData(in));
jaroslav@810	2532	}
jaroslav@810	2533	}
jaroslav@810	2534
jaroslav@810	2535	/**
jaroslav@810	2536	* Read LocalVariableTable attribute info.
jaroslav@810	2537	*/
jaroslav@810	2538	void readLocVarTable(DataInputStream in) throws IOException {
jaroslav@810	2539	int attr_len = in.readInt(); // attr_length
jaroslav@810	2540	int loc_var_tb_len = in.readUnsignedShort();
jaroslav@810	2541	loc_var_tb = new Vector(loc_var_tb_len);
jaroslav@810	2542	for (int l = 0; l < loc_var_tb_len; l++) {
jaroslav@810	2543	loc_var_tb.addElement(new LocVarData(in));
jaroslav@810	2544	}
jaroslav@810	2545	}
jaroslav@810	2546
jaroslav@810	2547	/**
jaroslav@810	2548	* Read Exception attribute info.
jaroslav@810	2549	*/
jaroslav@810	2550	public void readExceptions(DataInputStream in) throws IOException {
jaroslav@810	2551	int attr_len = in.readInt(); // attr_length in prog
jaroslav@810	2552	int num_exceptions = in.readUnsignedShort();
jaroslav@810	2553	exc_index_table = new int[num_exceptions];
jaroslav@810	2554	for (int l = 0; l < num_exceptions; l++) {
jaroslav@810	2555	int exc = in.readShort();
jaroslav@810	2556	exc_index_table[l] = exc;
jaroslav@810	2557	}
jaroslav@810	2558	}
jaroslav@810	2559
jaroslav@810	2560	/**
jaroslav@810	2561	* Read StackMapTable attribute info.
jaroslav@810	2562	*/
jaroslav@810	2563	void readStackMapTable(DataInputStream in) throws IOException {
jaroslav@810	2564	int attr_len = in.readInt(); //attr_length
jaroslav@810	2565	int stack_map_tb_len = in.readUnsignedShort();
jaroslav@810	2566	stackMapTable = new StackMapTableData[stack_map_tb_len];
jaroslav@810	2567	for (int i = 0; i < stack_map_tb_len; i++) {
jaroslav@810	2568	stackMapTable[i] = StackMapTableData.getInstance(in, this);
jaroslav@810	2569	}
jaroslav@810	2570	}
jaroslav@810	2571
jaroslav@810	2572	/**
jaroslav@810	2573	* Read StackMap attribute info.
jaroslav@810	2574	*/
jaroslav@810	2575	void readStackMap(DataInputStream in) throws IOException {
jaroslav@810	2576	int attr_len = in.readInt(); //attr_length
jaroslav@810	2577	int stack_map_len = in.readUnsignedShort();
jaroslav@810	2578	stackMap = new StackMapData[stack_map_len];
jaroslav@810	2579	for (int i = 0; i < stack_map_len; i++) {
jaroslav@810	2580	stackMap[i] = new StackMapData(in, this);
jaroslav@810	2581	}
jaroslav@810	2582	}
jaroslav@810	2583
jaroslav@810	2584	/**
jaroslav@810	2585	* Return access of the method.
jaroslav@810	2586	*/
jaroslav@810	2587	public int getAccess() {
jaroslav@810	2588	return access;
jaroslav@810	2589	}
jaroslav@810	2590
jaroslav@810	2591	/**
jaroslav@810	2592	* Return name of the method.
jaroslav@810	2593	*/
jaroslav@810	2594	public String getName() {
jaroslav@810	2595	return cls.getStringValue(name_index);
jaroslav@810	2596	}
jaroslav@810	2597
jaroslav@810	2598	/**
jaroslav@810	2599	* Return internal siganature of the method.
jaroslav@810	2600	*/
jaroslav@810	2601	public String getInternalSig() {
jaroslav@810	2602	return cls.getStringValue(descriptor_index);
jaroslav@810	2603	}
jaroslav@810	2604
jaroslav@810	2605	/**
jaroslav@810	2606	* Return code attribute data of a method.
jaroslav@810	2607	*/
jaroslav@810	2608	public byte[] getCode() {
jaroslav@810	2609	return code;
jaroslav@810	2610	}
jaroslav@810	2611
jaroslav@810	2612	/**
jaroslav@810	2613	* Return LineNumberTable size.
jaroslav@810	2614	*/
jaroslav@810	2615	public int getnumlines() {
jaroslav@810	2616	return lin_num_tb.size();
jaroslav@810	2617	}
jaroslav@810	2618
jaroslav@810	2619	/**
jaroslav@810	2620	* Return LineNumberTable
jaroslav@810	2621	*/
jaroslav@810	2622	public Vector getlin_num_tb() {
jaroslav@810	2623	return lin_num_tb;
jaroslav@810	2624	}
jaroslav@810	2625
jaroslav@810	2626	/**
jaroslav@810	2627	* Return LocalVariableTable size.
jaroslav@810	2628	*/
jaroslav@810	2629	public int getloc_var_tbsize() {
jaroslav@810	2630	return loc_var_tb.size();
jaroslav@810	2631	}
jaroslav@810	2632
jaroslav@810	2633	/**
jaroslav@810	2634	* Return LocalVariableTable.
jaroslav@810	2635	*/
jaroslav@810	2636	public Vector getloc_var_tb() {
jaroslav@810	2637	return loc_var_tb;
jaroslav@810	2638	}
jaroslav@810	2639
jaroslav@810	2640	/**
jaroslav@810	2641	* Return StackMap.
jaroslav@810	2642	*/
jaroslav@810	2643	public StackMapData[] getStackMap() {
jaroslav@810	2644	return stackMap;
jaroslav@810	2645	}
jaroslav@810	2646
jaroslav@810	2647	/**
jaroslav@810	2648	* Return StackMapTable.
jaroslav@810	2649	*/
jaroslav@810	2650	public StackMapTableData[] getStackMapTable() {
jaroslav@810	2651	return stackMapTable;
jaroslav@810	2652	}
jaroslav@810	2653
jaroslav@810	2654	public StackMapIterator createStackMapIterator() {
jaroslav@810	2655	return new StackMapIterator(this);
jaroslav@810	2656	}
jaroslav@810	2657
jaroslav@810	2658	/**
jaroslav@810	2659	* Return true if method is static
jaroslav@810	2660	*/
jaroslav@810	2661	public boolean isStatic() {
jaroslav@810	2662	if ((access & ACC_STATIC) != 0) {
jaroslav@810	2663	return true;
jaroslav@810	2664	}
jaroslav@810	2665	return false;
jaroslav@810	2666	}
jaroslav@810	2667
jaroslav@810	2668	/**
jaroslav@810	2669	* Return max depth of operand stack.
jaroslav@810	2670	*/
jaroslav@810	2671	public int getMaxStack() {
jaroslav@810	2672	return max_stack;
jaroslav@810	2673	}
jaroslav@810	2674
jaroslav@810	2675	/**
jaroslav@810	2676	* Return number of local variables.
jaroslav@810	2677	*/
jaroslav@810	2678	public int getMaxLocals() {
jaroslav@810	2679	return max_locals;
jaroslav@810	2680	}
jaroslav@810	2681
jaroslav@810	2682	/**
jaroslav@810	2683	* Return exception index table in Exception attribute.
jaroslav@810	2684	*/
jaroslav@810	2685	public int[] get_exc_index_table() {
jaroslav@810	2686	return exc_index_table;
jaroslav@810	2687	}
jaroslav@810	2688
jaroslav@810	2689	/**
jaroslav@810	2690	* Return exception table in code attributre.
jaroslav@810	2691	*/
jaroslav@810	2692	public TrapDataIterator getTrapDataIterator() {
jaroslav@810	2693	return new TrapDataIterator(exception_table);
jaroslav@810	2694	}
jaroslav@810	2695
jaroslav@810	2696	/**
jaroslav@810	2697	* Return method attributes.
jaroslav@810	2698	*/
jaroslav@810	2699	public Vector getAttributes() {
jaroslav@810	2700	return attrs;
jaroslav@810	2701	}
jaroslav@810	2702
jaroslav@810	2703	/**
jaroslav@810	2704	* Return code attributes.
jaroslav@810	2705	*/
jaroslav@810	2706	public Vector getCodeAttributes() {
jaroslav@810	2707	return code_attrs;
jaroslav@810	2708	}
jaroslav@810	2709
jaroslav@810	2710	/**
jaroslav@810	2711	* Return true if method id synthetic.
jaroslav@810	2712	*/
jaroslav@810	2713	public boolean isSynthetic() {
jaroslav@810	2714	return isSynthetic;
jaroslav@810	2715	}
jaroslav@810	2716
jaroslav@810	2717	/**
jaroslav@810	2718	* Return true if method is deprecated.
jaroslav@810	2719	*/
jaroslav@810	2720	public boolean isDeprecated() {
jaroslav@810	2721	return isDeprecated;
jaroslav@810	2722	}
jaroslav@810	2723
jaroslav@810	2724	public byte[] findAnnotationData(boolean classRetention) {
jaroslav@810	2725	String n = classRetention
jaroslav@810	2726	? "RuntimeInvisibleAnnotations" : // NOI18N
jaroslav@810	2727	"RuntimeVisibleAnnotations"; // NOI18N
jaroslav@810	2728	AttrData[] arr = new AttrData[attrs.size()];
jaroslav@810	2729	attrs.copyInto(arr);
jaroslav@810	2730	return ClassData.findAttr(n, arr);
jaroslav@810	2731	}
jaroslav@810	2732
jaroslav@810	2733	public boolean isConstructor() {
jaroslav@810	2734	return "<init>".equals(getName());
jaroslav@810	2735	}
jaroslav@810	2736	}
jaroslav@810	2737
jaroslav@810	2738	/* represents one entry of StackMap attribute
jaroslav@810	2739	*/
jaroslav@810	2740	private static class StackMapData {
jaroslav@810	2741
jaroslav@810	2742	final int offset;
jaroslav@810	2743	final int[] locals;
jaroslav@810	2744	final int[] stack;
jaroslav@810	2745
jaroslav@810	2746	StackMapData(int offset, int[] locals, int[] stack) {
jaroslav@810	2747	this.offset = offset;
jaroslav@810	2748	this.locals = locals;
jaroslav@810	2749	this.stack = stack;
jaroslav@810	2750	}
jaroslav@810	2751
jaroslav@810	2752	StackMapData(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2753	offset = in.readUnsignedShort();
jaroslav@810	2754	int local_size = in.readUnsignedShort();
jaroslav@810	2755	locals = readTypeArray(in, local_size, method);
jaroslav@810	2756	int stack_size = in.readUnsignedShort();
jaroslav@810	2757	stack = readTypeArray(in, stack_size, method);
jaroslav@810	2758	}
jaroslav@810	2759
jaroslav@810	2760	static final int[] readTypeArray(DataInputStream in, int length, MethodData method) throws IOException {
jaroslav@810	2761	int[] types = new int[length];
jaroslav@810	2762	for (int i = 0; i < length; i++) {
jaroslav@810	2763	types[i] = readType(in, method);
jaroslav@810	2764	}
jaroslav@810	2765	return types;
jaroslav@810	2766	}
jaroslav@810	2767
jaroslav@810	2768	static final int readType(DataInputStream in, MethodData method) throws IOException {
jaroslav@810	2769	int type = in.readUnsignedByte();
jaroslav@810	2770	if (type == ITEM_Object \|\| type == ITEM_NewObject) {
jaroslav@810	2771	type = type \| (in.readUnsignedShort() << 8);
jaroslav@810	2772	}
jaroslav@810	2773	return type;
jaroslav@810	2774	}
jaroslav@810	2775	}
jaroslav@810	2776
jaroslav@810	2777	static final class StackMapIterator {
jaroslav@810	2778
jaroslav@810	2779	private final StackMapTableData[] stackMapTable;
jaroslav@810	2780	private final TypeArray argTypes;
jaroslav@810	2781	private final TypeArray localTypes;
jaroslav@810	2782	private final TypeArray stackTypes;
jaroslav@810	2783	private int nextFrameIndex;
jaroslav@810	2784	private int lastFrameByteCodeOffset;
jaroslav@810	2785	private int byteCodeOffset;
jaroslav@810	2786
jaroslav@810	2787	StackMapIterator(final MethodData methodData) {
jaroslav@810	2788	this(methodData.getStackMapTable(),
jaroslav@810	2789	methodData.getInternalSig(),
jaroslav@810	2790	methodData.isStatic());
jaroslav@810	2791	}
jaroslav@810	2792
jaroslav@810	2793	StackMapIterator(final StackMapTableData[] stackMapTable,
jaroslav@810	2794	final String methodSignature,
jaroslav@810	2795	final boolean isStaticMethod) {
jaroslav@810	2796	this.stackMapTable = (stackMapTable != null)
jaroslav@810	2797	? stackMapTable
jaroslav@810	2798	: new StackMapTableData[0];
jaroslav@810	2799
jaroslav@810	2800	argTypes = getArgTypes(methodSignature, isStaticMethod);
jaroslav@810	2801	localTypes = new TypeArray();
jaroslav@810	2802	stackTypes = new TypeArray();
jaroslav@810	2803
jaroslav@810	2804	localTypes.addAll(argTypes);
jaroslav@810	2805
jaroslav@810	2806	lastFrameByteCodeOffset = -1;
jaroslav@810	2807	advanceBy(0);
jaroslav@810	2808	}
jaroslav@810	2809
jaroslav@810	2810	public String getFrameAsString() {
jaroslav@810	2811	return (nextFrameIndex == 0)
jaroslav@810	2812	? StackMapTableData.toString("INITIAL", 0, null, null)
jaroslav@810	2813	: stackMapTable[nextFrameIndex - 1].toString();
jaroslav@810	2814	}
jaroslav@810	2815
jaroslav@810	2816	public int getFrameIndex() {
jaroslav@810	2817	return nextFrameIndex;
jaroslav@810	2818	}
jaroslav@810	2819
jaroslav@810	2820	public TypeArray getFrameStack() {
jaroslav@810	2821	return stackTypes;
jaroslav@810	2822	}
jaroslav@810	2823
jaroslav@810	2824	public TypeArray getFrameLocals() {
jaroslav@810	2825	return localTypes;
jaroslav@810	2826	}
jaroslav@810	2827
jaroslav@810	2828	public TypeArray getArguments() {
jaroslav@810	2829	return argTypes;
jaroslav@810	2830	}
jaroslav@810	2831
jaroslav@810	2832	public void advanceBy(final int numByteCodes) {
jaroslav@810	2833	if (numByteCodes < 0) {
jaroslav@810	2834	throw new IllegalStateException("Forward only iterator");
jaroslav@810	2835	}
jaroslav@810	2836
jaroslav@810	2837	byteCodeOffset += numByteCodes;
jaroslav@810	2838	while ((nextFrameIndex < stackMapTable.length)
jaroslav@810	2839	&& ((byteCodeOffset - lastFrameByteCodeOffset)
jaroslav@810	2840	>= (stackMapTable[nextFrameIndex].offsetDelta
jaroslav@810	2841	+ 1))) {
jaroslav@810	2842	final StackMapTableData nextFrame = stackMapTable[nextFrameIndex];
jaroslav@810	2843
jaroslav@810	2844	lastFrameByteCodeOffset += nextFrame.offsetDelta + 1;
jaroslav@810	2845	nextFrame.applyTo(localTypes, stackTypes);
jaroslav@810	2846
jaroslav@810	2847	++nextFrameIndex;
jaroslav@810	2848	}
jaroslav@810	2849	}
jaroslav@810	2850
jaroslav@810	2851	public void advanceTo(final int nextByteCodeOffset) {
jaroslav@810	2852	advanceBy(nextByteCodeOffset - byteCodeOffset);
jaroslav@810	2853	}
jaroslav@810	2854
jaroslav@810	2855	private static TypeArray getArgTypes(final String methodSignature,
jaroslav@810	2856	final boolean isStaticMethod) {
jaroslav@810	2857	final TypeArray argTypes = new TypeArray();
jaroslav@810	2858
jaroslav@810	2859	if (!isStaticMethod) {
jaroslav@810	2860	argTypes.add(ITEM_Object);
jaroslav@810	2861	}
jaroslav@810	2862
jaroslav@810	2863	if (methodSignature.charAt(0) != '(') {
jaroslav@810	2864	throw new IllegalArgumentException("Invalid method signature");
jaroslav@810	2865	}
jaroslav@810	2866
jaroslav@810	2867	final int length = methodSignature.length();
jaroslav@810	2868	boolean skipType = false;
jaroslav@810	2869	int argType;
jaroslav@810	2870	for (int i = 1; i < length; ++i) {
jaroslav@810	2871	switch (methodSignature.charAt(i)) {
jaroslav@810	2872	case 'B':
jaroslav@810	2873	case 'C':
jaroslav@810	2874	case 'S':
jaroslav@810	2875	case 'Z':
jaroslav@810	2876	case 'I':
jaroslav@810	2877	argType = ITEM_Integer;
jaroslav@810	2878	break;
jaroslav@810	2879	case 'J':
jaroslav@810	2880	argType = ITEM_Long;
jaroslav@810	2881	break;
jaroslav@810	2882	case 'F':
jaroslav@810	2883	argType = ITEM_Float;
jaroslav@810	2884	break;
jaroslav@810	2885	case 'D':
jaroslav@810	2886	argType = ITEM_Double;
jaroslav@810	2887	break;
jaroslav@810	2888	case 'L': {
jaroslav@810	2889	i = methodSignature.indexOf(';', i + 1);
jaroslav@810	2890	if (i == -1) {
jaroslav@810	2891	throw new IllegalArgumentException(
jaroslav@810	2892	"Invalid method signature");
jaroslav@810	2893	}
jaroslav@810	2894	argType = ITEM_Object;
jaroslav@810	2895	break;
jaroslav@810	2896	}
jaroslav@810	2897	case ')':
jaroslav@810	2898	// not interested in the return value type
jaroslav@810	2899	return argTypes;
jaroslav@810	2900	case '[':
jaroslav@810	2901	if (!skipType) {
jaroslav@810	2902	argTypes.add(ITEM_Object);
jaroslav@810	2903	skipType = true;
jaroslav@810	2904	}
jaroslav@810	2905	continue;
jaroslav@810	2906
jaroslav@810	2907	default:
jaroslav@810	2908	throw new IllegalArgumentException(
jaroslav@810	2909	"Invalid method signature");
jaroslav@810	2910	}
jaroslav@810	2911
jaroslav@810	2912	if (!skipType) {
jaroslav@810	2913	argTypes.add(argType);
jaroslav@810	2914	} else {
jaroslav@810	2915	skipType = false;
jaroslav@810	2916	}
jaroslav@810	2917	}
jaroslav@810	2918
jaroslav@810	2919	return argTypes;
jaroslav@810	2920	}
jaroslav@810	2921	}
jaroslav@810	2922	/* represents one entry of StackMapTable attribute
jaroslav@810	2923	*/
jaroslav@810	2924
jaroslav@810	2925	private static abstract class StackMapTableData {
jaroslav@810	2926
jaroslav@810	2927	final int frameType;
jaroslav@810	2928	int offsetDelta;
jaroslav@810	2929
jaroslav@810	2930	StackMapTableData(int frameType) {
jaroslav@810	2931	this.frameType = frameType;
jaroslav@810	2932	}
jaroslav@810	2933
jaroslav@810	2934	abstract void applyTo(TypeArray localTypes, TypeArray stackTypes);
jaroslav@810	2935
jaroslav@810	2936	protected static String toString(
jaroslav@810	2937	final String frameType,
jaroslav@810	2938	final int offset,
jaroslav@810	2939	final int[] localTypes,
jaroslav@810	2940	final int[] stackTypes) {
jaroslav@810	2941	final StringBuilder sb = new StringBuilder(frameType);
jaroslav@810	2942
jaroslav@810	2943	sb.append("(off: +").append(offset);
jaroslav@810	2944	if (localTypes != null) {
jaroslav@810	2945	sb.append(", locals: ");
jaroslav@810	2946	appendTypes(sb, localTypes);
jaroslav@810	2947	}
jaroslav@810	2948	if (stackTypes != null) {
jaroslav@810	2949	sb.append(", stack: ");
jaroslav@810	2950	appendTypes(sb, stackTypes);
jaroslav@810	2951	}
jaroslav@810	2952	sb.append(')');
jaroslav@810	2953
jaroslav@810	2954	return sb.toString();
jaroslav@810	2955	}
jaroslav@810	2956
jaroslav@810	2957	private static void appendTypes(final StringBuilder sb, final int[] types) {
jaroslav@810	2958	sb.append('[');
jaroslav@810	2959	if (types.length > 0) {
jaroslav@810	2960	sb.append(TypeArray.typeString(types[0]));
jaroslav@810	2961	for (int i = 1; i < types.length; ++i) {
jaroslav@810	2962	sb.append(", ");
jaroslav@810	2963	sb.append(TypeArray.typeString(types[i]));
jaroslav@810	2964	}
jaroslav@810	2965	}
jaroslav@810	2966	sb.append(']');
jaroslav@810	2967	}
jaroslav@810	2968
jaroslav@810	2969	private static class SameFrame extends StackMapTableData {
jaroslav@810	2970
jaroslav@810	2971	SameFrame(int frameType, int offsetDelta) {
jaroslav@810	2972	super(frameType);
jaroslav@810	2973	this.offsetDelta = offsetDelta;
jaroslav@810	2974	}
jaroslav@810	2975
jaroslav@810	2976	@Override
jaroslav@810	2977	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	2978	stackTypes.clear();
jaroslav@810	2979	}
jaroslav@810	2980
jaroslav@810	2981	@Override
jaroslav@810	2982	public String toString() {
jaroslav@810	2983	return toString("SAME" + ((frameType == SAME_FRAME_EXTENDED)
jaroslav@810	2984	? "_FRAME_EXTENDED" : ""),
jaroslav@810	2985	offsetDelta,
jaroslav@810	2986	null, null);
jaroslav@810	2987	}
jaroslav@810	2988	}
jaroslav@810	2989
jaroslav@810	2990	private static class SameLocals1StackItem extends StackMapTableData {
jaroslav@810	2991
jaroslav@810	2992	final int[] stack;
jaroslav@810	2993
jaroslav@810	2994	SameLocals1StackItem(int frameType, int offsetDelta, int[] stack) {
jaroslav@810	2995	super(frameType);
jaroslav@810	2996	this.offsetDelta = offsetDelta;
jaroslav@810	2997	this.stack = stack;
jaroslav@810	2998	}
jaroslav@810	2999
jaroslav@810	3000	@Override
jaroslav@810	3001	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	3002	stackTypes.setAll(stack);
jaroslav@810	3003	}
jaroslav@810	3004
jaroslav@810	3005	@Override
jaroslav@810	3006	public String toString() {
jaroslav@810	3007	return toString(
jaroslav@810	3008	"SAME_LOCALS_1_STACK_ITEM"
jaroslav@810	3009	+ ((frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED)
jaroslav@810	3010	? "_EXTENDED" : ""),
jaroslav@810	3011	offsetDelta,
jaroslav@810	3012	null, stack);
jaroslav@810	3013	}
jaroslav@810	3014	}
jaroslav@810	3015
jaroslav@810	3016	private static class ChopFrame extends StackMapTableData {
jaroslav@810	3017
jaroslav@810	3018	ChopFrame(int frameType, int offsetDelta) {
jaroslav@810	3019	super(frameType);
jaroslav@810	3020	this.offsetDelta = offsetDelta;
jaroslav@810	3021	}
jaroslav@810	3022
jaroslav@810	3023	@Override
jaroslav@810	3024	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	3025	localTypes.setSize(localTypes.getSize()
jaroslav@810	3026	- (SAME_FRAME_EXTENDED - frameType));
jaroslav@810	3027	stackTypes.clear();
jaroslav@810	3028	}
jaroslav@810	3029
jaroslav@810	3030	@Override
jaroslav@810	3031	public String toString() {
jaroslav@810	3032	return toString("CHOP", offsetDelta, null, null);
jaroslav@810	3033	}
jaroslav@810	3034	}
jaroslav@810	3035
jaroslav@810	3036	private static class AppendFrame extends StackMapTableData {
jaroslav@810	3037
jaroslav@810	3038	final int[] locals;
jaroslav@810	3039
jaroslav@810	3040	AppendFrame(int frameType, int offsetDelta, int[] locals) {
jaroslav@810	3041	super(frameType);
jaroslav@810	3042	this.offsetDelta = offsetDelta;
jaroslav@810	3043	this.locals = locals;
jaroslav@810	3044	}
jaroslav@810	3045
jaroslav@810	3046	@Override
jaroslav@810	3047	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	3048	localTypes.addAll(locals);
jaroslav@810	3049	stackTypes.clear();
jaroslav@810	3050	}
jaroslav@810	3051
jaroslav@810	3052	@Override
jaroslav@810	3053	public String toString() {
jaroslav@810	3054	return toString("APPEND", offsetDelta, locals, null);
jaroslav@810	3055	}
jaroslav@810	3056	}
jaroslav@810	3057
jaroslav@810	3058	private static class FullFrame extends StackMapTableData {
jaroslav@810	3059
jaroslav@810	3060	final int[] locals;
jaroslav@810	3061	final int[] stack;
jaroslav@810	3062
jaroslav@810	3063	FullFrame(int offsetDelta, int[] locals, int[] stack) {
jaroslav@810	3064	super(FULL_FRAME);
jaroslav@810	3065	this.offsetDelta = offsetDelta;
jaroslav@810	3066	this.locals = locals;
jaroslav@810	3067	this.stack = stack;
jaroslav@810	3068	}
jaroslav@810	3069
jaroslav@810	3070	@Override
jaroslav@810	3071	void applyTo(TypeArray localTypes, TypeArray stackTypes) {
jaroslav@810	3072	localTypes.setAll(locals);
jaroslav@810	3073	stackTypes.setAll(stack);
jaroslav@810	3074	}
jaroslav@810	3075
jaroslav@810	3076	@Override
jaroslav@810	3077	public String toString() {
jaroslav@810	3078	return toString("FULL", offsetDelta, locals, stack);
jaroslav@810	3079	}
jaroslav@810	3080	}
jaroslav@810	3081
jaroslav@810	3082	static StackMapTableData getInstance(DataInputStream in, MethodData method)
jaroslav@810	3083	throws IOException {
jaroslav@810	3084	int frameType = in.readUnsignedByte();
jaroslav@810	3085
jaroslav@810	3086	if (frameType < SAME_FRAME_BOUND) {
jaroslav@810	3087	// same_frame
jaroslav@810	3088	return new SameFrame(frameType, frameType);
jaroslav@810	3089	} else if (SAME_FRAME_BOUND <= frameType && frameType < SAME_LOCALS_1_STACK_ITEM_BOUND) {
jaroslav@810	3090	// same_locals_1_stack_item_frame
jaroslav@810	3091	// read additional single stack element
jaroslav@810	3092	return new SameLocals1StackItem(frameType,
jaroslav@810	3093	(frameType - SAME_FRAME_BOUND),
jaroslav@810	3094	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	3095	} else if (frameType == SAME_LOCALS_1_STACK_ITEM_EXTENDED) {
jaroslav@810	3096	// same_locals_1_stack_item_extended
jaroslav@810	3097	return new SameLocals1StackItem(frameType,
jaroslav@810	3098	in.readUnsignedShort(),
jaroslav@810	3099	StackMapData.readTypeArray(in, 1, method));
jaroslav@810	3100	} else if (SAME_LOCALS_1_STACK_ITEM_EXTENDED < frameType && frameType < SAME_FRAME_EXTENDED) {
jaroslav@810	3101	// chop_frame or same_frame_extended
jaroslav@810	3102	return new ChopFrame(frameType, in.readUnsignedShort());
jaroslav@810	3103	} else if (frameType == SAME_FRAME_EXTENDED) {
jaroslav@810	3104	// chop_frame or same_frame_extended
jaroslav@810	3105	return new SameFrame(frameType, in.readUnsignedShort());
jaroslav@810	3106	} else if (SAME_FRAME_EXTENDED < frameType && frameType < FULL_FRAME) {
jaroslav@810	3107	// append_frame
jaroslav@810	3108	return new AppendFrame(frameType, in.readUnsignedShort(),
jaroslav@810	3109	StackMapData.readTypeArray(in, frameType - SAME_FRAME_EXTENDED, method));
jaroslav@810	3110	} else if (frameType == FULL_FRAME) {
jaroslav@810	3111	// full_frame
jaroslav@810	3112	int offsetDelta = in.readUnsignedShort();
jaroslav@810	3113	int locals_size = in.readUnsignedShort();
jaroslav@810	3114	int[] locals = StackMapData.readTypeArray(in, locals_size, method);
jaroslav@810	3115	int stack_size = in.readUnsignedShort();
jaroslav@810	3116	int[] stack = StackMapData.readTypeArray(in, stack_size, method);
jaroslav@810	3117	return new FullFrame(offsetDelta, locals, stack);
jaroslav@810	3118	} else {
jaroslav@810	3119	throw new ClassFormatError("unrecognized frame_type in StackMapTable");
jaroslav@810	3120	}
jaroslav@810	3121	}
jaroslav@810	3122	}
jaroslav@810	3123
jaroslav@810	3124	/**
jaroslav@810	3125	* Stores exception table data in code attribute.
jaroslav@810	3126	*
jaroslav@810	3127	* @author Sucheta Dambalkar (Adopted code from jdis)
jaroslav@810	3128	*/
jaroslav@810	3129	static final class TrapData {
jaroslav@810	3130
jaroslav@810	3131	public final short start_pc;
jaroslav@810	3132	public final short end_pc;
jaroslav@810	3133	public final short handler_pc;
jaroslav@810	3134	public final short catch_cpx;
jaroslav@810	3135	final int num;
jaroslav@810	3136
jaroslav@810	3137	/**
jaroslav@810	3138	* Read and store exception table data in code attribute.
jaroslav@810	3139	*/
jaroslav@810	3140	TrapData(DataInputStream in, int num) throws IOException {
jaroslav@810	3141	this.num = num;
jaroslav@810	3142	start_pc = in.readShort();
jaroslav@810	3143	end_pc = in.readShort();
jaroslav@810	3144	handler_pc = in.readShort();
jaroslav@810	3145	catch_cpx = in.readShort();
jaroslav@810	3146	}
jaroslav@810	3147
jaroslav@810	3148	/**
jaroslav@810	3149	* returns recommended identifier
jaroslav@810	3150	*/
jaroslav@810	3151	public String ident() {
jaroslav@810	3152	return "t" + num;
jaroslav@810	3153	}
jaroslav@810	3154	}
jaroslav@810	3155	/**
jaroslav@810	3156	*
jaroslav@810	3157	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	3158	*/
jaroslav@810	3159	static final class TrapDataIterator {
jaroslav@810	3160
jaroslav@810	3161	private final Hashtable exStart = new Hashtable();
jaroslav@810	3162	private final Hashtable exStop = new Hashtable();
jaroslav@810	3163	private TrapData[] current = new TrapData[10];
jaroslav@810	3164	private int currentCount;
jaroslav@810	3165
jaroslav@810	3166	TrapDataIterator(Vector exceptionTable) {
jaroslav@810	3167	for (int i = 0; i < exceptionTable.size(); i++) {
jaroslav@810	3168	final TrapData td = (TrapData) exceptionTable.elementAt(i);
jaroslav@810	3169	put(exStart, td.start_pc, td);
jaroslav@810	3170	put(exStop, td.end_pc, td);
jaroslav@810	3171	}
jaroslav@810	3172	}
jaroslav@810	3173
jaroslav@810	3174	private static void put(Hashtable h, short key, TrapData td) {
jaroslav@810	3175	Short s = Short.valueOf((short) key);
jaroslav@810	3176	Vector v = (Vector) h.get(s);
jaroslav@810	3177	if (v == null) {
jaroslav@810	3178	v = new Vector(1);
jaroslav@810	3179	h.put(s, v);
jaroslav@810	3180	}
jaroslav@810	3181	v.add(td);
jaroslav@810	3182	}
jaroslav@810	3183
jaroslav@810	3184	private boolean processAll(Hashtable h, Short key, boolean add) {
jaroslav@810	3185	boolean change = false;
jaroslav@810	3186	Vector v = (Vector) h.get(key);
jaroslav@810	3187	if (v != null) {
jaroslav@810	3188	int s = v.size();
jaroslav@810	3189	for (int i = 0; i < s; i++) {
jaroslav@810	3190	TrapData td = (TrapData) v.elementAt(i);
jaroslav@810	3191	if (add) {
jaroslav@810	3192	add(td);
jaroslav@810	3193	change = true;
jaroslav@810	3194	} else {
jaroslav@810	3195	remove(td);
jaroslav@810	3196	change = true;
jaroslav@810	3197	}
jaroslav@810	3198	}
jaroslav@810	3199	}
jaroslav@810	3200	return change;
jaroslav@810	3201	}
jaroslav@810	3202
jaroslav@810	3203	public boolean advanceTo(int i) {
jaroslav@810	3204	Short s = Short.valueOf((short) i);
jaroslav@810	3205	boolean ch1 = processAll(exStart, s, true);
jaroslav@810	3206	boolean ch2 = processAll(exStop, s, false);
jaroslav@810	3207	return ch1 \|\| ch2;
jaroslav@810	3208	}
jaroslav@810	3209
jaroslav@810	3210	public boolean useTry() {
jaroslav@810	3211	return currentCount > 0;
jaroslav@810	3212	}
jaroslav@810	3213
jaroslav@810	3214	public TrapData[] current() {
jaroslav@810	3215	TrapData[] copy = new TrapData[currentCount];
jaroslav@810	3216	for (int i = 0; i < currentCount; i++) {
jaroslav@810	3217	copy[i] = current[i];
jaroslav@810	3218	}
jaroslav@810	3219	return copy;
jaroslav@810	3220	}
jaroslav@810	3221
jaroslav@810	3222	private void add(TrapData e) {
jaroslav@810	3223	if (currentCount == current.length) {
jaroslav@810	3224	TrapData[] data = new TrapData[currentCount * 2];
jaroslav@810	3225	for (int i = 0; i < currentCount; i++) {
jaroslav@810	3226	data[i] = current[i];
jaroslav@810	3227	}
jaroslav@810	3228	current = data;
jaroslav@810	3229	}
jaroslav@810	3230	current[currentCount++] = e;
jaroslav@810	3231	}
jaroslav@810	3232
jaroslav@810	3233	private void remove(TrapData e) {
jaroslav@810	3234	if (currentCount == 0) {
jaroslav@810	3235	return;
jaroslav@810	3236	}
jaroslav@810	3237	int from = 0;
jaroslav@810	3238	while (from < currentCount) {
jaroslav@810	3239	if (e == current[from++]) {
jaroslav@810	3240	break;
jaroslav@810	3241	}
jaroslav@810	3242	}
jaroslav@810	3243	while (from < currentCount) {
jaroslav@810	3244	current[from - 1] = current[from];
jaroslav@810	3245	current[from] = null;
jaroslav@810	3246	from++;
jaroslav@810	3247	}
jaroslav@810	3248	currentCount--;
jaroslav@810	3249	}
jaroslav@810	3250	}
jaroslav@810	3251	static final class TypeArray {
jaroslav@810	3252
jaroslav@810	3253	private static final int CAPACITY_INCREMENT = 16;
jaroslav@810	3254	private int[] types;
jaroslav@810	3255	private int size;
jaroslav@810	3256
jaroslav@810	3257	public TypeArray() {
jaroslav@810	3258	}
jaroslav@810	3259
jaroslav@810	3260	public TypeArray(final TypeArray initialTypes) {
jaroslav@810	3261	setAll(initialTypes);
jaroslav@810	3262	}
jaroslav@810	3263
jaroslav@810	3264	public void add(final int newType) {
jaroslav@810	3265	ensureCapacity(size + 1);
jaroslav@810	3266	types[size++] = newType;
jaroslav@810	3267	}
jaroslav@810	3268
jaroslav@810	3269	public void addAll(final TypeArray newTypes) {
jaroslav@810	3270	addAll(newTypes.types, 0, newTypes.size);
jaroslav@810	3271	}
jaroslav@810	3272
jaroslav@810	3273	public void addAll(final int[] newTypes) {
jaroslav@810	3274	addAll(newTypes, 0, newTypes.length);
jaroslav@810	3275	}
jaroslav@810	3276
jaroslav@810	3277	public void addAll(final int[] newTypes,
jaroslav@810	3278	final int offset,
jaroslav@810	3279	final int count) {
jaroslav@810	3280	if (count > 0) {
jaroslav@810	3281	ensureCapacity(size + count);
jaroslav@810	3282	arraycopy(newTypes, offset, types, size, count);
jaroslav@810	3283	size += count;
jaroslav@810	3284	}
jaroslav@810	3285	}
jaroslav@810	3286
jaroslav@810	3287	public void set(final int index, final int newType) {
jaroslav@810	3288	types[index] = newType;
jaroslav@810	3289	}
jaroslav@810	3290
jaroslav@810	3291	public void setAll(final TypeArray newTypes) {
jaroslav@810	3292	setAll(newTypes.types, 0, newTypes.size);
jaroslav@810	3293	}
jaroslav@810	3294
jaroslav@810	3295	public void setAll(final int[] newTypes) {
jaroslav@810	3296	setAll(newTypes, 0, newTypes.length);
jaroslav@810	3297	}
jaroslav@810	3298
jaroslav@810	3299	public void setAll(final int[] newTypes,
jaroslav@810	3300	final int offset,
jaroslav@810	3301	final int count) {
jaroslav@810	3302	if (count > 0) {
jaroslav@810	3303	ensureCapacity(count);
jaroslav@810	3304	arraycopy(newTypes, offset, types, 0, count);
jaroslav@810	3305	size = count;
jaroslav@810	3306	} else {
jaroslav@810	3307	clear();
jaroslav@810	3308	}
jaroslav@810	3309	}
jaroslav@810	3310
jaroslav@810	3311	public void setSize(final int newSize) {
jaroslav@810	3312	if (size != newSize) {
jaroslav@810	3313	ensureCapacity(newSize);
jaroslav@810	3314
jaroslav@810	3315	for (int i = size; i < newSize; ++i) {
jaroslav@810	3316	types[i] = 0;
jaroslav@810	3317	}
jaroslav@810	3318	size = newSize;
jaroslav@810	3319	}
jaroslav@810	3320	}
jaroslav@810	3321
jaroslav@810	3322	public void clear() {
jaroslav@810	3323	size = 0;
jaroslav@810	3324	}
jaroslav@810	3325
jaroslav@810	3326	public int getSize() {
jaroslav@810	3327	return size;
jaroslav@810	3328	}
jaroslav@810	3329
jaroslav@810	3330	public int get(final int index) {
jaroslav@810	3331	return types[index];
jaroslav@810	3332	}
jaroslav@810	3333
jaroslav@810	3334	public static String typeString(final int type) {
jaroslav@810	3335	switch (type & 0xff) {
jaroslav@810	3336	case ITEM_Bogus:
jaroslav@810	3337	return "_top_";
jaroslav@810	3338	case ITEM_Integer:
jaroslav@810	3339	return "_int_";
jaroslav@810	3340	case ITEM_Float:
jaroslav@810	3341	return "_float_";
jaroslav@810	3342	case ITEM_Double:
jaroslav@810	3343	return "_double_";
jaroslav@810	3344	case ITEM_Long:
jaroslav@810	3345	return "_long_";
jaroslav@810	3346	case ITEM_Null:
jaroslav@810	3347	return "_null_";
jaroslav@810	3348	case ITEM_InitObject: // UninitializedThis
jaroslav@810	3349	return "_init_";
jaroslav@810	3350	case ITEM_Object:
jaroslav@810	3351	return "_object_";
jaroslav@810	3352	case ITEM_NewObject: // Uninitialized
jaroslav@810	3353	return "_new_";
jaroslav@810	3354	default:
jaroslav@810	3355	throw new IllegalArgumentException("Unknown type");
jaroslav@810	3356	}
jaroslav@810	3357	}
jaroslav@810	3358
jaroslav@810	3359	@Override
jaroslav@810	3360	public String toString() {
jaroslav@810	3361	final StringBuilder sb = new StringBuilder("[");
jaroslav@810	3362	if (size > 0) {
jaroslav@810	3363	sb.append(typeString(types[0]));
jaroslav@810	3364	for (int i = 1; i < size; ++i) {
jaroslav@810	3365	sb.append(", ");
jaroslav@810	3366	sb.append(typeString(types[i]));
jaroslav@810	3367	}
jaroslav@810	3368	}
jaroslav@810	3369
jaroslav@810	3370	return sb.append(']').toString();
jaroslav@810	3371	}
jaroslav@810	3372
jaroslav@810	3373	private void ensureCapacity(final int minCapacity) {
jaroslav@810	3374	if ((minCapacity == 0)
jaroslav@810	3375	\|\| (types != null) && (minCapacity <= types.length)) {
jaroslav@810	3376	return;
jaroslav@810	3377	}
jaroslav@810	3378
jaroslav@810	3379	final int newCapacity =
jaroslav@810	3380	((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
jaroslav@810	3381	* CAPACITY_INCREMENT;
jaroslav@810	3382	final int[] newTypes = new int[newCapacity];
jaroslav@810	3383
jaroslav@810	3384	if (size > 0) {
jaroslav@810	3385	arraycopy(types, 0, newTypes, 0, size);
jaroslav@810	3386	}
jaroslav@810	3387
jaroslav@810	3388	types = newTypes;
jaroslav@810	3389	}
jaroslav@810	3390
jaroslav@810	3391	// no System.arraycopy
jaroslav@810	3392	private void arraycopy(final int[] src, final int srcPos,
jaroslav@810	3393	final int[] dest, final int destPos,
jaroslav@810	3394	final int length) {
jaroslav@810	3395	for (int i = 0; i < length; ++i) {
jaroslav@810	3396	dest[destPos + i] = src[srcPos + i];
jaroslav@810	3397	}
jaroslav@810	3398	}
jaroslav@810	3399	}
jaroslav@810	3400	/**
jaroslav@810	3401	* A JavaScript ready replacement for java.util.Vector
jaroslav@810	3402	*
jaroslav@810	3403	* @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@810	3404	*/
jaroslav@810	3405	@JavaScriptPrototype(prototype = "new Array")
jaroslav@810	3406	private static final class Vector {
jaroslav@810	3407
jaroslav@810	3408	private Object[] arr;
jaroslav@810	3409
jaroslav@810	3410	Vector() {
jaroslav@810	3411	}
jaroslav@810	3412
jaroslav@810	3413	Vector(int i) {
jaroslav@810	3414	}
jaroslav@810	3415
jaroslav@810	3416	void add(Object objectType) {
jaroslav@810	3417	addElement(objectType);
jaroslav@810	3418	}
jaroslav@810	3419
jaroslav@810	3420	@JavaScriptBody(args = {"obj"}, body =
jaroslav@810	3421	"this.push(obj);")
jaroslav@810	3422	void addElement(Object obj) {
jaroslav@810	3423	final int s = size();
jaroslav@810	3424	setSize(s + 1);
jaroslav@810	3425	setElementAt(obj, s);
jaroslav@810	3426	}
jaroslav@810	3427
jaroslav@810	3428	@JavaScriptBody(args = {}, body =
jaroslav@810	3429	"return this.length;")
jaroslav@810	3430	int size() {
jaroslav@810	3431	return arr == null ? 0 : arr.length;
jaroslav@810	3432	}
jaroslav@810	3433
jaroslav@810	3434	@JavaScriptBody(args = {"newArr"}, body =
jaroslav@810	3435	"for (var i = 0; i < this.length; i++) {\n"
jaroslav@810	3436	+ " newArr[i] = this[i];\n"
jaroslav@810	3437	+ "}\n")
jaroslav@810	3438	void copyInto(Object[] newArr) {
jaroslav@810	3439	if (arr == null) {
jaroslav@810	3440	return;
jaroslav@810	3441	}
jaroslav@810	3442	int min = Math.min(newArr.length, arr.length);
jaroslav@810	3443	for (int i = 0; i < min; i++) {
jaroslav@810	3444	newArr[i] = arr[i];
jaroslav@810	3445	}
jaroslav@810	3446	}
jaroslav@810	3447
jaroslav@810	3448	@JavaScriptBody(args = {"index"}, body =
jaroslav@810	3449	"return this[index];")
jaroslav@810	3450	Object elementAt(int index) {
jaroslav@810	3451	return arr[index];
jaroslav@810	3452	}
jaroslav@810	3453
jaroslav@810	3454	private void setSize(int len) {
jaroslav@810	3455	Object[] newArr = new Object[len];
jaroslav@810	3456	copyInto(newArr);
jaroslav@810	3457	arr = newArr;
jaroslav@810	3458	}
jaroslav@810	3459
jaroslav@810	3460	@JavaScriptBody(args = {"val", "index"}, body =
jaroslav@810	3461	"this[index] = val;")
jaroslav@810	3462	void setElementAt(Object val, int index) {
jaroslav@810	3463	arr[index] = val;
jaroslav@810	3464	}
jaroslav@810	3465	}
jaroslav@810	3466
jaroslav@810	3467	}

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Wed, 09 Oct 2013 16:53:45 +0200
changeset 1354	43f89d9f7238
parent 810	9eb750594b15
child 1469	f57fa856ffc4
permissions	-rw-r--r--