use crate::asm::data::literal::Addr;
use crate::asm::instr::Op;
use crate::asm::instr::op::{EvalRes, OpTrait};
use crate::runtime::fault::Fault;
use crate::runtime::frame::StackFrame;
use crate::runtime::run_thread::RunThread;

impl RunThread {
    // TODO unit tests
    pub fn eval_op(&mut self) -> Result<EvalRes, Fault> {
        let mut cycles = 1;
        let mut advance = 1;

        let frame = &mut self.frame;

        let op = self.program.read(frame.pc);

        debug!("------------------------");
        debug!("{} | {:?}", frame.pc, op);

        /* Operations can be given different execution times when run in slow mode. */
        /* Presently, all that do anything use 1 cycle. */

        op.execute(&self.program, &mut self.call_stack, frame)?;

        Ok(EvalRes {
            cycles,
            advance,
        })
    }
}