Introduce UnaryOperatorTypeSpecifyingExtension interface#5284
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ondrejmirtes merged 2 commits intophpstan:2.1.xfrom Mar 24, 2026
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This adds an extension point for unary operators (-, +, ~), similar to the existing OperatorTypeSpecifyingExtension for binary operators. New types: - UnaryOperatorTypeSpecifyingExtension interface - UnaryOperatorTypeSpecifyingExtensionRegistry - UnaryOperatorTypeSpecifyingExtensionRegistryProvider interface - LazyUnaryOperatorTypeSpecifyingExtensionRegistryProvider implementation Integration: - Hook into InitializerExprTypeResolver for getUnaryPlusType, getUnaryMinusType, getBitwiseNotType - Update UnaryPlusHandler to use InitializerExprTypeResolver (like UnaryMinusHandler) - Add service tag: phpstan.broker.unaryOperatorTypeSpecifyingExtension Testing: - TestUnaryOperand fixture class - TestUnaryOperatorTypeSpecifyingExtension synthetic extension - UnaryOperatorTypeSpecifyingExtensionTypeInferenceTest This enables extensions like GMP to specify return types for unary operators. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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VincentLanglet
approved these changes
Mar 23, 2026
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@Firehed There is just the lint build to fix. And since this is a new API, I prefer to get the approval from @ondrejmirtes too. |
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Sounds good, thanks! Hopefully this ought to be enough peeled out to finish the GMP work 🤞 |
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Thank you! |
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Summary
UnaryOperatorTypeSpecifyingExtensioninterface as the unary operator counterpart to the existingOperatorTypeSpecifyingExtensionfor binary operators-,+, and~operatorsInitializerExprTypeResolverto call registered extensions before falling back to built-in type resolutionThis PR extracts the infrastructure portion from #5223 to allow the API to be reviewed and merged independently before the GMP extension that uses it.
Test plan
UnaryOperatorTypeSpecifyingExtensionTypeInferenceTestwith a synthetic test extension-,+,~) call extensions correctly🤖 Generated with Claude Code