public override void Visit(ILogicalNot logicalNot) {
base.Visit(logicalNot);
Bpl.Expr exp = TranslatedExpressions.Pop();
TranslatedExpressions.Push(Bpl.Expr.Unary(
logicalNot.Token(),
Bpl.UnaryOperator.Opcode.Not, exp));
}
public override void TraverseChildren(ILogicalNot logicalNot)
{
base.Traverse(logicalNot.Operand);
Bpl.Expr exp = TranslatedExpressions.Pop();
Bpl.Type operandType = this.sink.CciTypeToBoogie(logicalNot.Operand.Type);
if (operandType == this.sink.Heap.RefType) {
exp = Bpl.Expr.Binary(Bpl.BinaryOperator.Opcode.Neq, exp, Bpl.Expr.Ident(this.sink.Heap.NullRef));
}
else if (operandType == Bpl.Type.Int) {
exp = Bpl.Expr.Binary(Bpl.BinaryOperator.Opcode.Neq, exp, Bpl.Expr.Literal(0));
}
else {
//System.Diagnostics.Debug.Assert(operandType == Bpl.Type.Bool);
}
TranslatedExpressions.Push(Bpl.Expr.Unary(
logicalNot.Token(),
Bpl.UnaryOperator.Opcode.Not, exp));
}
