remove unused things

lunar_wave_vm/src/state.rs

@@ -468,14 +468,6 @@ impl State {
 		let block = self.chunk.blocks.get (frame.block_idx).unwrap ();
 		let constants = &block.constants;
 		
-		let value = if k {
-			&constants [usize::from (c)]
-		}
-		else {
-			self.reg (c)
-		}
-		.clone ();
-		
 		let b = usize::try_from (b).unwrap ();
 		
 		let key = match constants.get (b).unwrap () {
@@ -483,6 +475,13 @@ impl State {
 			_ => panic! ("SetField only supports string keys"),
 		};
 		
+		let value = if k {
+			&constants [usize::from (c)]
+		}
+		else {
+			self.reg_mut (c)
+		}.clone ();
+		
 		let mut dst = self.reg (a).as_table ()
 		.expect ("SetField only works on tables").borrow_mut ();
 		
@@ -506,12 +505,8 @@ impl State {
 	
 	pub fn step (&mut self) -> Result <Option <StepOutput>, StepError> 
 	{
-		self.step_count += 1;
-		
 		let block = self.chunk.blocks.get (self.block_idx).unwrap ();
-		
-		let pc = usize::try_from (self.next_pc).expect ("program_counter is not a valid usize");
-		let instruction = match block.instructions.get (pc) {
+		let instruction = match block.instructions.get (self.next_pc) {
 			Some (x) => *x,
 			None => {
 				dbg! (&self.stack);
@@ -519,7 +514,6 @@ impl State {
 			}
 		};
 		
-		// let r = &mut self.registers [frame.register_offset..];
 		let k = &block.constants;
 		
 		let make_step_error = |msg| {