Trait lc3::InstructionHandler

pub trait InstructionHandler where
    Self: Sized, {
    type Context;
    type Err;
    fn create_vm(initial_context: Self::Context) -> VM<Self>;
    fn process_instruction(
        vm_state: &mut VMState, 
        context: &mut Self::Context, 
        instruction: Instruction
    ) -> Result<(), Self::Err>;
}

An instruction handler interface.

Associated Types

type Context

Handler context.

type Err

Err return type after processing instructions. TODO: Convert Err into std::ops::Try once it is stabilized

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Required methods

fn create_vm(initial_context: Self::Context) -> VM<Self>

fn process_instruction(
    vm_state: &mut VMState,
    context: &mut Self::Context,
    instruction: Instruction
) -> Result<(), Self::Err>

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Implementors

impl InstructionHandler for TrivialHandler

type Context = (Empty, Sink)

type Err = IOError

fn create_vm(_: Self::Context) -> VM<Self>

fn process_instruction(
    vm_state: &mut VMState,
    context: &mut Self::Context,
    instruction: Instruction
) -> Result<(), Self::Err>

impl<R: Read, W: Write> InstructionHandler for IOStreamHandler<R, W>

type Context = (R, W)

type Err = IOError

fn create_vm(initial_context: Self::Context) -> VM<Self>

fn process_instruction(
    vm_state: &mut VMState,
    context: &mut Self::Context,
    instruction: Instruction
) -> IOResult<()>

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