PHP 8 constructor property promotion (`__construct(private Repo $repo)`)
parses the promoted parameter as `property_promotion_parameter`, not
`simple_parameter`. The PHP parameter loop filtered on `simple_parameter`
only, so promoted params were skipped entirely: their type emitted no
`parameter_type` edge on the constructor, and — because a promoted param
is also a real class field — no `field` edge on the class either. A
non-promoted param in the same signature still emitted `parameter_type`,
so the type reference was silently dropped for exactly the promoted case.
The promoted param's type sits in the same direct named-child shape the
loop already reads for `simple_parameter`, so widening the filter to
accept `property_promotion_parameter` makes the existing type extraction
emit the `parameter_type` edge. Additionally, for a promoted param, emit
a `field`-context references edge on the class (mirroring the
`property_declaration` handler), guarded so it only fires when a parent
class is in scope and the target is not the class node itself. Normal
`simple_parameter` behaviour is unchanged.
Adds a promoted-property constructor to tests/fixtures/sample.php and
test_php_constructor_property_promotion_contexts asserting the promoted
type appears as both `field` and `parameter_type`, and that a
non-promoted param does not leak a field edge.
Synvoya