diff options
Diffstat (limited to 'src/org/jetbrains/java/decompiler/code/interpreter/Util.java')
| -rw-r--r-- | src/org/jetbrains/java/decompiler/code/interpreter/Util.java | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/org/jetbrains/java/decompiler/code/interpreter/Util.java b/src/org/jetbrains/java/decompiler/code/interpreter/Util.java new file mode 100644 index 0000000..30aaf2c --- /dev/null +++ b/src/org/jetbrains/java/decompiler/code/interpreter/Util.java @@ -0,0 +1,265 @@ +/* + * Fernflower - The Analytical Java Decompiler + * http://www.reversed-java.com + * + * (C) 2008 - 2010, Stiver + * + * This software is NEITHER public domain NOR free software + * as per GNU License. See license.txt for more details. + * + * This software is distributed WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE. + */ + +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]; + } + + +} |