public CompilerJmpInstruction(Compiler compiler, InstructionCode code, Operand[] operands)
: base(compiler, code, operands)
{
if (code < InstructionDescription.JumpBegin || code > InstructionDescription.JumpEnd)
throw new ArgumentException("The specified instruction code is not a valid jump.");
Contract.Requires(compiler != null);
Contract.Requires(operands != null);
Contract.EndContractBlock();
_jumpTarget = compiler.GetTarget(Operands[0].Id);
_jumpTarget.JumpsCount++;
_jumpNext = _jumpTarget.From;
_jumpTarget.From = this;
_isTaken =
Code == InstructionCode.Jmp
|| (Operands.Length > 1 && Operands[1].IsImm && ((Imm)Operands[1]).Value == (IntPtr)Hint.Taken);
}
public void AddForwardJump(CompilerJmpInstruction instruction)
{
ForwardJumpData j = new ForwardJumpData()
{
Inst = instruction,
State = SaveState(),
Next = _forwardJumps,
};
_forwardJumps = j;
}
public void AddBackwardCode(CompilerJmpInstruction from)
{
if (from == null)
throw new ArgumentNullException("from");
Contract.EndContractBlock();
_backCode.Add(from);
}
