Add MetadataLoadContext.GetLoadContext(Assembly).#126926
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jkotas merged 1 commit intodotnet:mainfrom Apr 15, 2026
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Pull request overview
Adds a public API to retrieve the MetadataLoadContext associated with an Assembly instance, enabling callers to map reflected Assembly objects back to their originating MetadataLoadContext (per #98756).
Changes:
- Introduces
MetadataLoadContext.GetLoadContext(Assembly)returning the associated context (ornullwhen not applicable). - Adds unit coverage validating the method returns the originating context for MLC-loaded assemblies and
nullfor runtime-loaded assemblies. - Updates the ref surface area to include the new API (but currently with an incorrect nullability signature).
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
src/libraries/System.Reflection.MetadataLoadContext/src/System/Reflection/MetadataLoadContext.Apis.cs |
Implements MetadataLoadContext.GetLoadContext(Assembly) using RoAssembly.Loader. |
src/libraries/System.Reflection.MetadataLoadContext/ref/System.Reflection.MetadataLoadContext.cs |
Adds the API to the reference assembly (needs nullability fix to match implementation). |
src/libraries/System.Reflection.MetadataLoadContext/tests/src/Tests/Assembly/AssemblyTests.cs |
Adds tests asserting correct context retrieval and null for non-MLC assemblies. |
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Fixes #98756