Files
nix-js/fix-vm/src/primops/mod.rs
T
2026-05-08 17:46:23 +08:00

71 lines
2.2 KiB
Rust

use fix_builtins::PrimOpPhase;
use fix_error::Error;
use gc_arena::Mutation;
use num_enum::TryFromPrimitive;
use crate::bytecode_reader::BytecodeReader;
use crate::value::Value;
use crate::{CallFrame, Step, Vm, VmRuntimeCtx};
mod attrs;
mod control;
mod conv;
mod io;
mod list;
mod path;
mod regex;
mod version;
impl<'gc> Vm<'gc> {
#[allow(clippy::too_many_lines)]
pub(crate) fn op_dispatch_primop(
&mut self,
ctx: &mut impl VmRuntimeCtx,
reader: &mut BytecodeReader<'_>,
mc: &Mutation<'gc>,
) -> Step {
use PrimOpPhase::*;
let phase_disc = reader.read_u8();
let Ok(phase) = PrimOpPhase::try_from_primitive(phase_disc) else {
return self.finish_err(Error::eval_error("invalid primop phase"));
};
match phase {
Abort => self.primop_abort(ctx, reader, mc),
DeepSeq => self.primop_deep_seq_force_top(reader, mc),
DeepSeqPush => self.primop_deep_seq_push(reader, mc),
DeepSeqLoop => self.primop_deep_seq_loop(reader, mc),
Seq => self.primop_seq(reader, mc),
FilterForceList => self.primop_filter_force_list(reader, mc),
FilterCallPred => self.primop_filter_call_pred(reader, mc),
FilterCheck => self.primop_filter_check(reader, mc),
ForceResultShallow => self.primop_force_result_shallow(ctx, reader, mc),
ForceResultShallowPush => self.primop_force_result_shallow_push(ctx, reader, mc),
ForceResultShallowLoop => self.primop_force_result_shallow_loop(reader, mc),
ForceResultDeepFinish => self.primop_force_result_deep_finish(ctx, reader, mc),
CallPattern => self.primop_call_pattern(ctx, reader, mc),
phase => todo!("primop phase {phase:?}"),
}
}
fn return_from_primop(&mut self, val: Value<'gc>, reader: &mut BytecodeReader<'_>) -> Step {
self.push(val);
let Some(CallFrame {
pc: ret_pc,
thunk: _,
env,
}) = self.call_stack.pop()
else {
unreachable!()
};
reader.set_pc(ret_pc);
self.call_depth -= 1;
self.env = env;
Step::Continue(())
}
}