diff options
Diffstat (limited to 'users/tazjin/rlox/src/bytecode/vm.rs')
| -rw-r--r-- | users/tazjin/rlox/src/bytecode/vm.rs | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/users/tazjin/rlox/src/bytecode/vm.rs b/users/tazjin/rlox/src/bytecode/vm.rs index d287ec7cb8c5..30ffebc79cf7 100644 --- a/users/tazjin/rlox/src/bytecode/vm.rs +++ b/users/tazjin/rlox/src/bytecode/vm.rs @@ -118,12 +118,7 @@ impl VM { OpCode::OpNegate => { let v = self.pop(); - with_type!( - self, - v, - Value::Number(num), - self.push(Value::Number(-num)) - ); + with_type!(self, v, Value::Number(num), self.push(Value::Number(-num))); } OpCode::OpSubtract => binary_op!(self, Number, -), @@ -141,15 +136,18 @@ impl VM { self.push(Value::String(new_s.into())); } - (Value::Number(n_a), Value::Number(n_b)) => - self.push(Value::Number(n_a + n_b)), + (Value::Number(n_a), Value::Number(n_b)) => { + self.push(Value::Number(n_a + n_b)) + } - _ => return Err(Error { - line: self.chunk.get_line(self.ip - 1), - kind: ErrorKind::TypeError( - "'+' operator only works on strings and numbers".into() - ), - }) + _ => { + return Err(Error { + line: self.chunk.get_line(self.ip - 1), + kind: ErrorKind::TypeError( + "'+' operator only works on strings and numbers".into(), + ), + }) + } } } @@ -205,8 +203,7 @@ impl VM { self.stack.len() > local_idx.0, "stack is not currently large enough for local" ); - self.stack[local_idx.0] = - self.stack.last().unwrap().clone(); + self.stack[local_idx.0] = self.stack.last().unwrap().clone(); } OpCode::OpJumpPlaceholder(_) => { @@ -255,9 +252,7 @@ impl VM { fn print_value(&self, val: Value) -> String { match val { Value::String(LoxString::Heap(s)) => s, - Value::String(LoxString::Interned(id)) => { - self.strings.lookup(id).into() - } + Value::String(LoxString::Interned(id)) => self.strings.lookup(id).into(), _ => format!("{:?}", val), } } |