feat: ir env (WIP)

src/vm/mod.rs

@@ -5,7 +5,7 @@ use hashbrown::{HashMap, HashSet};
 use inkwell::context::Context;
 use itertools::Itertools;
 
-use crate::builtins::env;
+use crate::builtins::vm_env;
 use crate::bytecode::{BinOp, Func as F, OpCode, OpCodes, Program, UnOp};
 use crate::env::VmEnv;
 use crate::error::*;
@@ -22,7 +22,6 @@ use ecow::EcoString;
 mod test;
 
 const STACK_SIZE: usize = 8 * 1024 / size_of::<Value>();
-type GcArena = Arena<Rootable!['gc => GcRoot<'gc>]>;
 
 #[derive(Collect)]
 #[collect(require_static)]
@@ -53,7 +52,7 @@ pub fn run(mut prog: Program) -> Result<p::Value> {
             vm,
             jit,
             stack: Stack::new(),
-            envs: vec![env(&vm, mc)],
+            envs: vec![vm_env(&vm, mc)],
         }
     });
     prog.top_level.reverse();
@@ -331,7 +330,7 @@ fn single_op<'gc, const CAP: usize>(
         }
         OpCode::LookUp { sym } => {
             stack.push(
-                env.lookup(&sym)
+                env.lookup_slow(&sym)
                     .ok_or_else(|| Error::EvalError(format!("{} not found", vm.get_sym(sym))))?
                     .clone(),
             )?;