[XSG] Add heuristic to support bindable properties generated by other source generators#32597

Merged

StephaneDelcroix merged 15 commits intomainfrom

copilot/use-heuristic-to-identify-bindable-properties

Nov 28, 2025

Commits on Nov 28, 2025

Initial plan

Copilot
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Implement heuristic for source-generated bindable properties

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Refactor heuristic code and add AutoPropertyAttribute support

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Add PropertyName support to BindablePropertyAttribute and consolidate tests

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Split tests and merge duplicate attribute checks

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Improve test attribute declarations and add field name variations

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Add guard conditions and support uppercase field names

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Use SetValue for literal values with heuristic-detected bindable properties

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Move heuristic check to correct position in evaluation order

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Check full attribute names instead of suffixes for better specificity

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Remove suffix fallback for attribute matching

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Integrate heuristic into CanSetBinding and CanSetValue methods

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Refactor code to reduce duplication and use real attribute namespaces in tests

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Fix build error and heuristic logic placement

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Fix tests to use proper C# block syntax and non-partial properties

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