refactor: function

src/bytecode.rs

@@ -1,15 +1,15 @@
 use ecow::EcoString;
 
-use crate::ty::internal::Const;
+use crate::ty::internal::{Const, Func};
 
 type Slice<T> = Box<[T]>;
 
 pub type ThunkIdx = usize;
-pub type ConstIdx = usize;
-pub type SymIdx = usize;
+pub type FuncIdx = usize;
 pub type OpCodes = Slice<OpCode>;
 pub type Consts = Slice<Const>;
 pub type Thunks = Slice<Thunk>;
+pub type Funcs = Slice<Func>;
 
 #[derive(Debug, Clone)]
 pub struct Thunk {
@@ -34,16 +34,6 @@ pub enum OpCode {
     Call { arity: usize },
     /// make a function
     Func { idx: ThunkIdx },
-    /// push param `sym` into TOS
-    PushIdentParam { sym: EcoString },
-    /// push formal param `sym` into TOS
-    PushFormalParam { sym: EcoString },
-    /// push default formal param with thunkidx `idx` into TOS
-    PushDefaultParam { idx: ThunkIdx },
-    /// TODO:
-    SetEllipsis,
-    /// TODO:
-    SetAlias { sym: EcoString },
 
     /// consume 1 element, assert TOS is true
     Assert,
@@ -118,4 +108,5 @@ pub enum UnOp {
 pub struct Program {
     pub top_level: OpCodes,
     pub thunks: Thunks,
+    pub funcs: Box<[Func]>
 }