public override IExpression Rewrite(IConditional conditional)
{
if (conditional.Type.TypeCode == PrimitiveTypeCode.Boolean && ExpressionHelper.IsIntegralZero(conditional.ResultIfTrue))
{
var not = new LogicalNot()
{
Operand = conditional.Condition,
};
var c = new Conditional()
{
Condition = BooleanExpressionHelper.Normalize(not),
ResultIfTrue = conditional.ResultIfFalse,
ResultIfFalse = new CompileTimeConstant()
{
Type = conditional.Type, Value = false,
},
Type = conditional.Type,
};
return(c);
}
return(base.Rewrite(conditional));
}
public override IExpression Rewrite(ILogicalNot logicalNot)
{
var result = base.Rewrite(logicalNot);
return(BooleanExpressionHelper.Normalize(result));
}