From 2d9456d2474116d9a42213f692b13821eb28de81 Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Sun, 28 Feb 2021 15:28:04 +0200 Subject: feat(tazjin/rlox): Implement unary negation operator Change-Id: I9a5bd3581d4ed05371651697ec496341eb7971ae Reviewed-on: https://cl.tvl.fyi/c/depot/+/2572 Reviewed-by: tazjin Tested-by: BuildkiteCI --- users/tazjin/rlox/src/bytecode/vm.rs | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'users/tazjin/rlox/src/bytecode/vm.rs') diff --git a/users/tazjin/rlox/src/bytecode/vm.rs b/users/tazjin/rlox/src/bytecode/vm.rs index 74c3e338fce4..b7a394afbe3e 100644 --- a/users/tazjin/rlox/src/bytecode/vm.rs +++ b/users/tazjin/rlox/src/bytecode/vm.rs @@ -76,6 +76,11 @@ impl VM { OpCode::OpTrue => self.push(Value::Bool(true)), OpCode::OpFalse => self.push(Value::Bool(false)), + OpCode::OpNot => { + let v = self.pop(); + self.push(Value::Bool(v.is_falsey())); + } + OpCode::OpNegate => { let v = self.pop(); with_type!( -- cgit 1.4.1