Fix the ability to expand the list of analyzers in a reference#49574
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1 commit merged intodotnet:masterfrom Nov 23, 2020
Merged
Fix the ability to expand the list of analyzers in a reference#495741 commit merged intodotnet:masterfrom
1 commit merged intodotnet:masterfrom
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This was broken by 7fa2c96, where I asserted that GetDiagnosticItems was only called when we already knew we would have items. This was broken since right before we called the method the collection would get created, which changed the answer it would return. A small refactoring ensures we create the list and fill it in at once. This also makes it clear we aren't passing a non-trivial LINQ query across method boundaries anyways in a way that might result in multiple enumerations. Fixes dotnet#49524
jasonmalinowski
commented
Nov 23, 2020
| @@ -110,7 +109,9 @@ private IEnumerable<BaseDiagnosticItem> GetDiagnosticItems(string language, Comp | |||
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| Contract.ThrowIfFalse(HasItems); | |||
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This was the problematic assert: conceptually the idea was "we shouldn't be trying to create items if we know we don't have any to show", but in the code prior to this new change we would assign the field before calling GetDiagnosticItems, so HasItems would instead return false because we had realized the list prematurely.
mavasani
approved these changes
Nov 23, 2020
sharwell
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Nov 23, 2020
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Hello @jasonmalinowski! Because this pull request has the p.s. you can customize the way I help with merging this pull request, such as holding this pull request until a specific person approves. Simply @mention me (
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This was broken by 7fa2c96, where I asserted that GetDiagnosticItems was only called when we already knew we would have items. This was broken since right before we called the method the collection would get created, which changed the answer it would return. A small refactoring ensures we create the list and fill it in at once. This also makes it clear we aren't passing a non-trivial LINQ query across method boundaries anyways in a way that might result in multiple enumerations.
Fixes #49524