neo_solidity/ir/expressions/dispatch/
unary.rs

1fn try_lower_expression_unary(
2    expr: &Expression,
3    ctx: &mut LoweringContext,
4    instructions: &mut Vec<Instruction>,
5) -> Option<bool> {
6    match expr {
7        Expression::Not(_, inner) => Some(if lower_expression(inner, ctx, instructions) {
8            instructions.push(Instruction::LogicalNot);
9            true
10        } else {
11            false
12        }),
13        Expression::BitwiseNot(_, inner) => Some(if lower_expression(inner, ctx, instructions) {
14            instructions.push(Instruction::BitwiseNot);
15            true
16        } else {
17            false
18        }),
19        Expression::Power(_, left, right) => Some(lower_power_expression(
20            left.as_ref(),
21            right.as_ref(),
22            ctx,
23            instructions,
24        )),
25        Expression::UnaryPlus(_, inner) => Some(lower_expression(inner, ctx, instructions)),
26        Expression::Negate(_, inner) => Some(if lower_expression(inner, ctx, instructions) {
27            instructions.push(Instruction::PushLiteral(LiteralValue::Integer(
28                BigInt::from(-1),
29            )));
30            instructions.push(Instruction::BinaryOp(BinaryOperator::Mul));
31            true
32        } else {
33            false
34        }),
35        _ => None,
36    }
37}
neo_solidity/ir/expressions/dispatch/unary.rs

neo_solidity/ir/expressions/dispatch/
unary.rs
