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feat(tazjin/rlox): Implement unary negation operator

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Change-Id: I9a5bd3581d4ed05371651697ec496341eb7971ae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2572
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
This commit is contained in:
Vincent Ambo 2021-02-28 15:28:04 +02:00 • committed by tazjin
parent 47ffa80711
commit 2d9456d247
5 changed files with 32 additions and 0 deletions
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5
users/tazjin/rlox/src/bytecode/vm.rs
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@ -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!(