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| author | Vincent Ambo <mail@tazj.in> | 2021-02-28T13·28+0200 |
|---|---|---|
| committer | tazjin <mail@tazj.in> | 2021-02-28T14·36+0000 |
| commit | 2d9456d2474116d9a42213f692b13821eb28de81 (patch) | |
| tree | 38dfd4cda140ad63f0f00185d4f80605905f49ad /users/tazjin/rlox/src/bytecode/vm.rs | |
| parent | 47ffa8071152bcafb4b6ff87a3142bf12dbce12b (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.rs | 5 |
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 74c3e338fc..b7a394afbe 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!( |