| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.java.decompiler.code.interpreter; |
| |
| import org.jetbrains.java.decompiler.code.Instruction; |
| import org.jetbrains.java.decompiler.struct.StructClass; |
| import org.jetbrains.java.decompiler.struct.StructContext; |
| |
| |
| // FIXME: move to StructContext |
| public class Util { |
| |
| private static final String[][] runtime_exceptions = { |
| |
| null, // public final static int opc_nop = 0; |
| null, // public final static int opc_aconst_null = 1; |
| null, // public final static int opc_iconst_m1 = 2; |
| null, // public final static int opc_iconst_0 = 3; |
| null, // public final static int opc_iconst_1 = 4; |
| null, // public final static int opc_iconst_2 = 5; |
| null, // public final static int opc_iconst_3 = 6; |
| null, // public final static int opc_iconst_4 = 7; |
| null, // public final static int opc_iconst_5 = 8; |
| null, // public final static int opc_lconst_0 = 9; |
| null, // public final static int opc_lconst_1 = 10; |
| null, // public final static int opc_fconst_0 = 11; |
| null, // public final static int opc_fconst_1 = 12; |
| null, // public final static int opc_fconst_2 = 13; |
| null, // public final static int opc_dconst_0 = 14; |
| null, // public final static int opc_dconst_1 = 15; |
| null, // public final static int opc_bipush = 16; |
| null, // public final static int opc_sipush = 17; |
| null, // public final static int opc_ldc = 18; |
| null, // public final static int opc_ldc_w = 19; |
| null, // public final static int opc_ldc2_w = 20; |
| null, // public final static int opc_iload = 21; |
| null, // public final static int opc_lload = 22; |
| null, // public final static int opc_fload = 23; |
| null, // public final static int opc_dload = 24; |
| null, // public final static int opc_aload = 25; |
| null, // public final static int opc_iload_0 = 26; |
| null, // public final static int opc_iload_1 = 27; |
| null, // public final static int opc_iload_2 = 28; |
| null, // public final static int opc_iload_3 = 29; |
| null, // public final static int opc_lload_0 = 30; |
| null, // public final static int opc_lload_1 = 31; |
| null, // public final static int opc_lload_2 = 32; |
| null, // public final static int opc_lload_3 = 33; |
| null, // public final static int opc_fload_0 = 34; |
| null, // public final static int opc_fload_1 = 35; |
| null, // public final static int opc_fload_2 = 36; |
| null, // public final static int opc_fload_3 = 37; |
| null, // public final static int opc_dload_0 = 38; |
| null, // public final static int opc_dload_1 = 39; |
| null, // public final static int opc_dload_2 = 40; |
| null, // public final static int opc_dload_3 = 41; |
| null, // public final static int opc_aload_0 = 42; |
| null, // public final static int opc_aload_1 = 43; |
| null, // public final static int opc_aload_2 = 44; |
| null, // public final static int opc_aload_3 = 45; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_iaload = 46; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_laload = 47; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_faload = 48; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_daload = 49; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_aaload = 50; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_baload = 51; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_caload = 52; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_saload = 53; |
| null, // public final static int opc_istore = 54; |
| null, // public final static int opc_lstore = 55; |
| null, // public final static int opc_fstore = 56; |
| null, // public final static int opc_dstore = 57; |
| null, // public final static int opc_astore = 58; |
| null, // public final static int opc_istore_0 = 59; |
| null, // public final static int opc_istore_1 = 60; |
| null, // public final static int opc_istore_2 = 61; |
| null, // public final static int opc_istore_3 = 62; |
| null, // public final static int opc_lstore_0 = 63; |
| null, // public final static int opc_lstore_1 = 64; |
| null, // public final static int opc_lstore_2 = 65; |
| null, // public final static int opc_lstore_3 = 66; |
| null, // public final static int opc_fstore_0 = 67; |
| null, // public final static int opc_fstore_1 = 68; |
| null, // public final static int opc_fstore_2 = 69; |
| null, // public final static int opc_fstore_3 = 70; |
| null, // public final static int opc_dstore_0 = 71; |
| null, // public final static int opc_dstore_1 = 72; |
| null, // public final static int opc_dstore_2 = 73; |
| null, // public final static int opc_dstore_3 = 74; |
| null, // public final static int opc_astore_0 = 75; |
| null, // public final static int opc_astore_1 = 76; |
| null, // public final static int opc_astore_2 = 77; |
| null, // public final static int opc_astore_3 = 78; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_iastore = 79; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_lastore = 80; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_fastore = 81; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_dastore = 82; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException", "java/lang/ArrayStoreException"}, |
| // public final static int opc_aastore = 83; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_bastore = 84; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_castore = 85; |
| {"java/lang/NullPointerException", "java/lang/ArrayIndexOutOfBoundsException"}, |
| // public final static int opc_sastore = 86; |
| null, // public final static int opc_pop = 87; |
| null, // public final static int opc_pop2 = 88; |
| null, // public final static int opc_dup = 89; |
| null, // public final static int opc_dup_x1 = 90; |
| null, // public final static int opc_dup_x2 = 91; |
| null, // public final static int opc_dup2 = 92; |
| null, // public final static int opc_dup2_x1 = 93; |
| null, // public final static int opc_dup2_x2 = 94; |
| null, // public final static int opc_swap = 95; |
| null, // public final static int opc_iadd = 96; |
| null, // public final static int opc_ladd = 97; |
| null, // public final static int opc_fadd = 98; |
| null, // public final static int opc_dadd = 99; |
| null, // public final static int opc_isub = 100; |
| null, // public final static int opc_lsub = 101; |
| null, // public final static int opc_fsub = 102; |
| null, // public final static int opc_dsub = 103; |
| null, // public final static int opc_imul = 104; |
| null, // public final static int opc_lmul = 105; |
| null, // public final static int opc_fmul = 106; |
| null, // public final static int opc_dmul = 107; |
| {"java/lang/ArithmeticException"}, // public final static int opc_idiv = 108; |
| {"java/lang/ArithmeticException"}, // public final static int opc_ldiv = 109; |
| null, // public final static int opc_fdiv = 110; |
| null, // public final static int opc_ddiv = 111; |
| {"java/lang/ArithmeticException"}, // public final static int opc_irem = 112; |
| {"java/lang/ArithmeticException"}, // public final static int opc_lrem = 113; |
| null, // public final static int opc_frem = 114; |
| null, // public final static int opc_drem = 115; |
| null, // public final static int opc_ineg = 116; |
| null, // public final static int opc_lneg = 117; |
| null, // public final static int opc_fneg = 118; |
| null, // public final static int opc_dneg = 119; |
| null, // public final static int opc_ishl = 120; |
| null, // public final static int opc_lshl = 121; |
| null, // public final static int opc_ishr = 122; |
| null, // public final static int opc_lshr = 123; |
| null, // public final static int opc_iushr = 124; |
| null, // public final static int opc_lushr = 125; |
| null, // public final static int opc_iand = 126; |
| null, // public final static int opc_land = 127; |
| null, // public final static int opc_ior = 128; |
| null, // public final static int opc_lor = 129; |
| null, // public final static int opc_ixor = 130; |
| null, // public final static int opc_lxor = 131; |
| null, // public final static int opc_iinc = 132; |
| null, // public final static int opc_i2l = 133; |
| null, // public final static int opc_i2f = 134; |
| null, // public final static int opc_i2d = 135; |
| null, // public final static int opc_l2i = 136; |
| null, // public final static int opc_l2f = 137; |
| null, // public final static int opc_l2d = 138; |
| null, // public final static int opc_f2i = 139; |
| null, // public final static int opc_f2l = 140; |
| null, // public final static int opc_f2d = 141; |
| null, // public final static int opc_d2i = 142; |
| null, // public final static int opc_d2l = 143; |
| null, // public final static int opc_d2f = 144; |
| null, // public final static int opc_i2b = 145; |
| null, // public final static int opc_i2c = 146; |
| null, // public final static int opc_i2s = 147; |
| null, // public final static int opc_lcmp = 148; |
| null, // public final static int opc_fcmpl = 149; |
| null, // public final static int opc_fcmpg = 150; |
| null, // public final static int opc_dcmpl = 151; |
| null, // public final static int opc_dcmpg = 152; |
| null, // public final static int opc_ifeq = 153; |
| null, // public final static int opc_ifne = 154; |
| null, // public final static int opc_iflt = 155; |
| null, // public final static int opc_ifge = 156; |
| null, // public final static int opc_ifgt = 157; |
| null, // public final static int opc_ifle = 158; |
| null, // public final static int opc_if_icmpeq = 159; |
| null, // public final static int opc_if_icmpne = 160; |
| null, // public final static int opc_if_icmplt = 161; |
| null, // public final static int opc_if_icmpge = 162; |
| null, // public final static int opc_if_icmpgt = 163; |
| null, // public final static int opc_if_icmple = 164; |
| null, // public final static int opc_if_acmpeq = 165; |
| null, // public final static int opc_if_acmpne = 166; |
| null, // public final static int opc_goto = 167; |
| null, // public final static int opc_jsr = 168; |
| null, // public final static int opc_ret = 169; |
| null, // public final static int opc_tableswitch = 170; |
| null, // public final static int opc_lookupswitch = 171; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_ireturn = 172; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_lreturn = 173; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_freturn = 174; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_dreturn = 175; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_areturn = 176; |
| {"java/lang/IllegalMonitorStateException"}, // public final static int opc_return = 177; |
| null, // public final static int opc_getstatic = 178; |
| null, // public final static int opc_putstatic = 179; |
| {"java/lang/NullPointerException"}, // public final static int opc_getfield = 180; |
| {"java/lang/NullPointerException"}, // public final static int opc_putfield = 181; |
| {"java/lang/NullPointerException", "java/lang/AbstractMethodError", "java/lang/UnsatisfiedLinkError"}, |
| // public final static int opc_invokevirtual = 182; |
| {"java/lang/NullPointerException", "java/lang/UnsatisfiedLinkError"}, |
| // public final static int opc_invokespecial = 183; |
| {"java/lang/UnsatisfiedLinkError"}, // public final static int opc_invokestatic = 184; |
| {"java/lang/NullPointerException", "java/lang/IncompatibleClassChangeError", "java/lang/IllegalAccessError", |
| "java/lang/java/lang/AbstractMethodError", "java/lang/UnsatisfiedLinkError"}, |
| // public final static int opc_invokeinterface = 185; |
| null, // public final static int opc_xxxunusedxxx = 186; |
| null, // public final static int opc_new = 187; |
| {"java/lang/NegativeArraySizeException"}, // public final static int opc_newarray = 188; |
| {"java/lang/NegativeArraySizeException"}, // public final static int opc_anewarray = 189; |
| {"java/lang/NullPointerException"}, // public final static int opc_arraylength = 190; |
| {"java/lang/NullPointerException", "java/lang/IllegalMonitorStateException"}, |
| // public final static int opc_athrow = 191; |
| {"java/lang/ClassCastException"}, // public final static int opc_checkcast = 192; |
| null, // public final static int opc_instanceof = 193; |
| {"java/lang/NullPointerException"}, // public final static int opc_monitorenter = 194; |
| {"java/lang/NullPointerException", "java/lang/IllegalMonitorStateException"}, |
| // public final static int opc_monitorexit = 195; |
| null, // public final static int opc_wide = 196; |
| {"java/lang/NegativeArraySizeException"}, // public final static int opc_multianewarray = 197; |
| null, // public final static int opc_ifnull = 198; |
| null, // public final static int opc_ifnonnull = 199; |
| null, // public final static int opc_goto_w = 200; |
| null, // public final static int opc_jsr_w = 201; |
| }; |
| |
| |
| public static boolean instanceOf(StructContext context, String valclass, String refclass) { |
| |
| if (valclass.equals(refclass)) { |
| return true; |
| } |
| |
| StructClass cl = context.getClass(valclass); |
| if (cl == null) { |
| return false; |
| } |
| |
| if (cl.superClass != null && instanceOf(context, cl.superClass.getString(), refclass)) { |
| return true; |
| } |
| |
| int[] interfaces = cl.getInterfaces(); |
| for (int i = 0; i < interfaces.length; i++) { |
| String intfc = cl.getPool().getPrimitiveConstant(interfaces[i]).getString(); |
| |
| if (instanceOf(context, intfc, refclass)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| |
| public static String[] getRuntimeExceptions(Instruction instr) { |
| return runtime_exceptions[instr.opcode]; |
| } |
| } |