Add $not
constructor parameter to AST classes
#10267
Merged
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While reviewing #10219, I noticed the inconsistent typing of negation flags (
$not
) on various AST classes. In most cases, we populate$someAstExpression->not
right after construction the object. In some cases, we don't assign any value to it, but assume it to befalse
afterwards.With all those public properties, I think we should aim at making all those classes immutable in 3.0. Adding
$not
to constructors is a first step in that direction. I've also split theInExpression
class into two classes because it actually covers two distinct cases that we need to distinguish whenever we deal with an instance of that class.