1 files changed, 19 insertions, 7 deletions
diff --git a/src/runtime.rs b/src/runtime.rs
index b041561..46b2d9f 100644
--- a/src/runtime.rs
+++ b/src/runtime.rs
@@ -1,6 +1,5 @@
 use std::{collections::{LinkedList, BTreeMap}, cmp::Ordering, sync::Arc, iter::{Copied, Rev}};
 
-use boa_interner::Sym;
 use ion_rs::SymbolTable;
 
 use crate::ion::{IonReader, IonValue};
@@ -268,7 +267,6 @@ pub struct Function {
     pub(crate) expected_stack_depth: usize,
 }
 
-pub type FnRef = usize;
 pub type ByteCode = Vec<u8>;
 
 struct Stack(Vec<u8>);
@@ -290,7 +288,17 @@ impl  Runtime {
         }
     }
 
-    pub fn invoke(&mut self, fnref: FnRef, arguments: Vec<IonValue>) -> Vec<IonValue> {
+    pub fn to_symbol_id<S>(&self, s: S) -> Option<usize>
+    where S: AsRef<str>
+    {
+        self.symbols.sid_for(&s)
+    }
+
+    pub fn resolve_symbol(&self, id: usize) -> Option<&str> {
+        self.symbols.text_for(id)
+    }
+
+    pub fn invoke(&mut self, fnref: usize, arguments: Vec<IonValue>) -> Vec<IonValue> {
         let func = *self.functions.get(&fnref).expect("Undefined function");
         let mut frame = StackFrame::new(self.bytecode.clone(), &func, arguments);
         loop {
@@ -310,11 +318,15 @@ impl  Runtime {
         }
 
         let op = frame.next_byte();
-        for x in &frame.stack.0 {
-            print!(" {x:02X}");
+
+        #[cfg(debugger)]
+        {
+            for x in &frame.stack.0 {
+                print!(" {x:02X}");
+            }
+            println!();
+            println!("PC: {:02X}, OP: {:02X}", frame.pc - 1, op);
         }
-        println!();
-        println!("PC: {:02X}, OP: {:02X}", frame.pc - 1, op);
 
         match op {
             0x01 => { // OpType::Jump