Files
nix-js/fix-vm/src/instructions/control.rs
T

47 lines
1.5 KiB
Rust

use crate::value::*;
use crate::{BytecodeReader, Step};
impl<'gc> crate::Vm<'gc> {
#[inline(always)]
pub(crate) fn op_jump_if_false(
&mut self,
reader: &mut BytecodeReader<'_>,
mc: &gc_arena::Mutation<'gc>,
) -> Step {
let offset = reader.read_i32();
let cond = self.try_force::<StrictValue>(reader, mc)?;
if cond.as_inline::<bool>() == Some(false) {
reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
}
Step::Continue(())
}
#[inline(always)]
pub(crate) fn op_jump_if_true(
&mut self,
reader: &mut BytecodeReader<'_>,
mc: &gc_arena::Mutation<'gc>,
) -> Step {
let offset = reader.read_i32();
let cond = self.try_force::<StrictValue>(reader, mc)?;
if cond.as_inline::<bool>() == Some(true) {
reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
}
Step::Continue(())
}
#[inline(always)]
pub(crate) fn op_jump(&mut self, reader: &mut BytecodeReader<'_>) -> Step {
let offset = reader.read_i32();
reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
Step::Continue(())
}
#[inline(always)]
pub(crate) fn op_assert(&mut self, reader: &mut BytecodeReader<'_>) -> Step {
let _raw_idx = reader.read_u32();
let _span_id = reader.read_u32();
todo!("implement Assert (force TOS)");
}
}