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dust/dust-lang/src/instruction/get_local.rs

36 lines
947 B
Rust

use crate::{Destination, Instruction, Operation};
pub struct GetLocal {
pub destination: Destination,
pub local_index: u16,
}
impl From<&Instruction> for GetLocal {
fn from(instruction: &Instruction) -> Self {
let destination = if instruction.a_is_local() {
Destination::Local(instruction.a())
} else {
Destination::Register(instruction.a())
};
GetLocal {
destination,
local_index: instruction.b(),
}
}
}
impl From<GetLocal> for Instruction {
fn from(get_local: GetLocal) -> Self {
let (a, a_is_local) = match get_local.destination {
Destination::Local(local) => (local, true),
Destination::Register(register) => (register, false),
};
*Instruction::new(Operation::GetLocal)
.set_a(a)
.set_a_is_local(a_is_local)
.set_b(get_local.local_index)
}
}