59 lines
1.7 KiB
Rust
59 lines
1.7 KiB
Rust
use fix_error::Error;
|
|
use fix_runtime::*;
|
|
use gc_arena::Mutation;
|
|
|
|
use crate::{BytecodeReader, Step, VmRuntimeCtx};
|
|
|
|
#[inline(always)]
|
|
pub(crate) fn op_jump_if_false<'gc, M: Machine<'gc>>(
|
|
m: &mut M,
|
|
reader: &mut BytecodeReader<'_>,
|
|
mc: &gc_arena::Mutation<'gc>,
|
|
) -> Step {
|
|
let offset = reader.read_i32();
|
|
let cond = m.force_and_retry::<StrictValue>(reader, mc)?;
|
|
if cond.downcast::<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<'gc, M: Machine<'gc>>(
|
|
m: &mut M,
|
|
reader: &mut BytecodeReader<'_>,
|
|
mc: &Mutation<'gc>,
|
|
) -> Step {
|
|
let offset = reader.read_i32();
|
|
let cond = m.force_and_retry::<StrictValue>(reader, mc)?;
|
|
if cond.downcast::<bool>() == Some(true) {
|
|
reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
|
|
}
|
|
Step::Continue(())
|
|
}
|
|
|
|
#[inline(always)]
|
|
pub(crate) fn op_jump<'gc, M: Machine<'gc>>(_m: &mut M, 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<'gc, M: Machine<'gc>>(
|
|
m: &mut M,
|
|
ctx: &mut impl VmRuntimeCtx,
|
|
reader: &mut BytecodeReader<'_>,
|
|
mc: &Mutation<'gc>,
|
|
) -> Step {
|
|
let raw_id = reader.read_string_id();
|
|
let raw = ctx.resolve_string(raw_id);
|
|
let _span_id = reader.read_u32();
|
|
let assertion = m.force_and_retry::<bool>(reader, mc)?;
|
|
if !assertion {
|
|
// FIXME: use catchable error
|
|
return m.finish_err(Error::eval_error(format!("assertion '{raw}' failed")));
|
|
}
|
|
Step::Continue(())
|
|
}
|