public OpcodeBase(StreamNavigator sn)
{
_pos = sn.Position;
_opcode = (JcOpcodes)sn.GetByte();
}
private IOpcode DecodeInsAndAdvance(StreamNavigator sn)
{
// peak-only, full advance is made on an opcode class side!
JcOpcodes op = (JcOpcodes)sn.PeakByte();
switch (op)
{
case JcOpcodes.aaload:
case JcOpcodes.aastore:
case JcOpcodes.aconst_null:
case JcOpcodes.aload_0:
case JcOpcodes.aload_1:
case JcOpcodes.aload_2:
case JcOpcodes.aload_3:
case JcOpcodes.areturn:
case JcOpcodes.arraylength:
case JcOpcodes.astore_0:
case JcOpcodes.astore_1:
case JcOpcodes.astore_2:
case JcOpcodes.astore_3:
case JcOpcodes.athrow:
case JcOpcodes.baload:
case JcOpcodes.bastore:
case JcOpcodes.dup:
case JcOpcodes.dup2:
case JcOpcodes.i2b:
case JcOpcodes.i2s:
case JcOpcodes.iadd:
case JcOpcodes.iaload:
case JcOpcodes.iand:
case JcOpcodes.iastore:
case JcOpcodes.icmp:
case JcOpcodes.iconst_m1:
case JcOpcodes.iconst_0:
case JcOpcodes.iconst_1:
case JcOpcodes.iconst_2:
case JcOpcodes.iconst_3:
case JcOpcodes.iconst_4:
case JcOpcodes.iconst_5:
case JcOpcodes.idiv:
case JcOpcodes.iload_0:
case JcOpcodes.iload_1:
case JcOpcodes.iload_2:
case JcOpcodes.iload_3:
case JcOpcodes.imul:
case JcOpcodes.ineg:
case JcOpcodes.ior:
case JcOpcodes.irem:
case JcOpcodes.ireturn:
case JcOpcodes.ishl:
case JcOpcodes.ishr:
case JcOpcodes.istore_0:
case JcOpcodes.istore_1:
case JcOpcodes.istore_2:
case JcOpcodes.istore_3:
case JcOpcodes.isub:
case JcOpcodes.iushr:
case JcOpcodes.ixor:
case JcOpcodes.nop:
case JcOpcodes.pop:
case JcOpcodes.pop2:
case JcOpcodes.Return:
case JcOpcodes.s2b:
case JcOpcodes.s2i:
case JcOpcodes.sadd:
case JcOpcodes.saload:
case JcOpcodes.sand:
case JcOpcodes.sastore:
case JcOpcodes.sconst_m1:
case JcOpcodes.sconst_0:
case JcOpcodes.sconst_1:
case JcOpcodes.sconst_2:
case JcOpcodes.sconst_3:
case JcOpcodes.sconst_4:
case JcOpcodes.sconst_5:
case JcOpcodes.sdiv:
case JcOpcodes.sload_0:
case JcOpcodes.sload_1:
case JcOpcodes.sload_2:
case JcOpcodes.sload_3:
case JcOpcodes.smul:
case JcOpcodes.sneg:
case JcOpcodes.sor:
case JcOpcodes.srem:
case JcOpcodes.sreturn:
case JcOpcodes.sshl:
case JcOpcodes.sshr:
case JcOpcodes.sstore_0:
case JcOpcodes.sstore_1:
case JcOpcodes.sstore_2:
case JcOpcodes.sstore_3:
case JcOpcodes.ssub:
case JcOpcodes.sushr:
case JcOpcodes.sxor:
return(new NoOperandsOpcode(sn));
case JcOpcodes.aload:
case JcOpcodes.astore:
case JcOpcodes.bipush:
case JcOpcodes.bspush:
case JcOpcodes.dup_x:
case JcOpcodes.getfield_a:
case JcOpcodes.getfield_b:
case JcOpcodes.getfield_s:
case JcOpcodes.getfield_i:
case JcOpcodes.getfield_a_this:
case JcOpcodes.getfield_b_this:
case JcOpcodes.getfield_s_this:
case JcOpcodes.getfield_i_this:
case JcOpcodes._goto:
case JcOpcodes.if_acmpeq:
case JcOpcodes.if_acmpne:
case JcOpcodes.if_scmpeq:
case JcOpcodes.if_scmpne:
case JcOpcodes.if_scmplt:
case JcOpcodes.if_scmpge:
case JcOpcodes.if_scmpgt:
case JcOpcodes.if_scmple:
case JcOpcodes.ifeq:
case JcOpcodes.ifne:
case JcOpcodes.iflt:
case JcOpcodes.ifge:
case JcOpcodes.ifgt:
case JcOpcodes.ifle:
case JcOpcodes.ifnonnull:
case JcOpcodes.ifnull:
case JcOpcodes.iload:
case JcOpcodes.istore:
case JcOpcodes.newarray:
case JcOpcodes.putfield_a:
case JcOpcodes.putfield_b:
case JcOpcodes.putfield_s:
case JcOpcodes.putfield_i:
case JcOpcodes.putfield_a_this:
case JcOpcodes.putfield_b_this:
case JcOpcodes.putfield_s_this:
case JcOpcodes.putfield_i_this:
case JcOpcodes.ret:
case JcOpcodes.sload:
case JcOpcodes.sstore:
case JcOpcodes.swap_x:
return(new SingleByteOperandOpcode(sn));
case JcOpcodes.anewarray:
case JcOpcodes.getfield_a_w:
case JcOpcodes.getfield_b_w:
case JcOpcodes.getfield_s_w:
case JcOpcodes.getfield_i_w:
case JcOpcodes.getstatic_a:
case JcOpcodes.getstatic_b:
case JcOpcodes.getstatic_s:
case JcOpcodes.getstatic_i:
case JcOpcodes.goto_w:
case JcOpcodes.if_acmpeq_w:
case JcOpcodes.if_acmpne_w:
case JcOpcodes.if_scmpeq_w:
case JcOpcodes.if_scmpne_w:
case JcOpcodes.if_scmplt_w:
case JcOpcodes.if_scmpge_w:
case JcOpcodes.if_scmpgt_w:
case JcOpcodes.if_scmple_w:
case JcOpcodes.ifeq_w:
case JcOpcodes.ifne_w:
case JcOpcodes.iflt_w:
case JcOpcodes.ifge_w:
case JcOpcodes.ifgt_w:
case JcOpcodes.ifle_w:
case JcOpcodes.ifnonnull_w:
case JcOpcodes.ifnull_w:
case JcOpcodes.invokespecial:
case JcOpcodes.invokestatic:
case JcOpcodes.invokevirtual:
case JcOpcodes.jsr:
case JcOpcodes._new:
case JcOpcodes.putfield_a_w:
case JcOpcodes.putfield_b_w:
case JcOpcodes.putfield_s_w:
case JcOpcodes.putfield_i_w:
case JcOpcodes.putstatic_a:
case JcOpcodes.putstatic_b:
case JcOpcodes.putstatic_s:
case JcOpcodes.putstatic_i:
case JcOpcodes.sipush:
case JcOpcodes.sspush:
return(new SingleShortOperandOpcode(sn));
case JcOpcodes.checkcast:
case JcOpcodes.iinc_w:
case JcOpcodes.instanceof:
case JcOpcodes.sinc_w:
return(new ByteShortOperandOpcode(sn));
case JcOpcodes.iinc:
case JcOpcodes.sinc:
return(new TwoBytesOperandOpcode(sn));
case JcOpcodes.iipush:
return(new UintOperandOpcode(sn));
case JcOpcodes.invokeinterface:
return(new InvokeInterfaceOpcode(sn));
case JcOpcodes.ilookupswitch:
return(new IlookupSwitchOpcode(sn));
case JcOpcodes.itableswitch:
return(new ItableSwitchOpcode(sn));
case JcOpcodes.slookupswitch:
return(new SlookupSwitchOpcode(sn));
case JcOpcodes.stableswitch:
return(new StableSwitchOpcode(sn));
default:
throw new Exception("Undefined opcode: " + op.ToString("X"));
}
;
}
