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Fix some shortcomings of UnusedParameterLinter #506
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- Variadic parameters were not checked
function _(int ... $x): void {} now emits an error for $x.
- Lambda parameters are now linted in unparenthesized params.
$x ==> 0 now emits an error for $x.
Same applies for (int ... $x) ==> 0.
- Added explicit tests for old style variadics.
The linter handled them fine, but there was no test for it.
Checking for unparenthesized lambda parameters required a new linter.
The UnusedParameterLinter checked against ParameterDeclaration.
$x ==> 0; does not introduce one, so a new TNode was required.
This PR may cause old HHAST_FIXME comments to break.
You will have to upgrade:
/*HHAST_FIXME[UnusedParameter]*/ ($x) ==> 0; to
/*HHAST_FIXME[UnusedLambdaParameter]*/ ($x) ==> 0;
I suspect this linter is rarely suppressed, since the autofix is easier.
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Looks good to me. |
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function _(int ... $x): void {} now emits an error for $x.
$x ==> 0 now emits an error for $x.
Same applies for (int ... $x) ==> 0.
The linter handled them fine, but there was no test for it.
Checking for unparenthesized lambda parameters required a new linter.
The UnusedParameterLinter checked against ParameterDeclaration.
$x ==> 0; does not introduce one, so a new TNode was required.
This PR may cause old HHAST_FIXME comments to break.
You will have to upgrade:
/*HHAST_FIXME[UnusedParameter]*/ ($x) ==> 0; to
/*HHAST_FIXME[UnusedLambdaParameter]*/ ($x) ==> 0;
I suspect this linter is rarely suppressed, since the autofix is easier.