refactor: abstract VM

2026-05-16 19:51:38 +08:00
parent 21899f7380
commit 29fab93cd1
42 changed files with 1823 additions and 1410 deletions
@@ -1,90 +0,0 @@
-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),
-
-            FoldlStrict => self.primop_foldl_strict_entry(reader, mc),
-            FoldlStrictEmpty => self.primop_foldl_strict_empty(reader, mc),
-            FoldlStrictCall1 => self.primop_foldl_strict_call1(reader, mc),
-            FoldlStrictCall2 => self.primop_foldl_strict_call2(reader, mc),
-            FoldlStrictUpdate => self.primop_foldl_strict_update(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),
-            CallFunctor1 => self.primop_call_functor_1(reader, mc),
-            CallFunctor2 => self.primop_call_functor_2(reader, mc),
-
-            Import => self.primop_import(ctx, reader, mc),
-            ImportFinalize => self.primop_import_finalize(ctx, reader),
-            ScopedImport => self.primop_scoped_import(ctx, reader, mc),
-            ScopedImportFinalize => self.primop_scoped_import_finalize(ctx, reader, mc),
-
-            PathExists => self.primop_path_exists(ctx, reader, mc),
-            ToPath => self.primop_to_path(ctx, reader, mc),
-            IsPath => self.primop_is_path(reader, mc),
-            ToString => self.primop_to_string(ctx, reader, mc),
-            TypeOf => self.primop_type_of(ctx, reader, mc),
-
-            phase => todo!("primop phase {phase:?}"),
-        }
-    }
-
-    #[inline(always)]
-    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(())
-    }
-}