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authorVincent Ambo <mail@tazj.in>2021-02-28T13·28+0200
committertazjin <mail@tazj.in>2021-02-28T14·36+0000
commit2d9456d2474116d9a42213f692b13821eb28de81 (patch)
tree38dfd4cda140ad63f0f00185d4f80605905f49ad /users/tazjin/rlox/src/bytecode/vm.rs
parent47ffa8071152bcafb4b6ff87a3142bf12dbce12b (diff)
feat(tazjin/rlox): Implement unary negation operator r/2253
Change-Id: I9a5bd3581d4ed05371651697ec496341eb7971ae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2572
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/tazjin/rlox/src/bytecode/vm.rs')
-rw-r--r--users/tazjin/rlox/src/bytecode/vm.rs5
1 files changed, 5 insertions, 0 deletions
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!(