[Performance] Improve SpecifyIFormatProvider (CA1305) performance #6865
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Youssef1313
commented
Aug 19, 2023
| { | ||
| var semanticModel = argument.SemanticModel!; | ||
|
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||
| var symbol = semanticModel.GetSymbolInfo(argument.Value.Syntax, oaContext.CancellationToken).Symbol; |
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@mavasani I assume semantic model calls are more expensive than getting info directly from IOperation?
Youssef1313
commented
Aug 19, 2023
Comment on lines
189
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| (targetMethod.Equals(stringFormatMemberWithStringAndObjectParameter) || | ||
| targetMethod.Equals(stringFormatMemberWithStringObjectAndObjectParameter) || | ||
| targetMethod.Equals(stringFormatMemberWithStringObjectObjectAndObjectParameter) || | ||
| targetMethod.Equals(stringFormatMemberWithStringAndParamsObjectParameter))) | ||
| targetMethod.Equals(stringFormatMemberWithStringAndParamsObjectParameter)) && | ||
| !oaContext.Options.IsConfiguredToSkipAnalysis(IFormatProviderAlternateStringRule, targetMethod, oaContext.ContainingSymbol, oaContext.Compilation)) |
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Symbol equality should be faster than IsConfiguredToSkipAnalysis
Youssef1313
commented
Aug 19, 2023
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-327
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| private static IEnumerable<int> GetIndexesOfParameterType(IMethodSymbol targetMethod, INamedTypeSymbol formatProviderType) | ||
| { | ||
| return targetMethod.Parameters | ||
| .Select((Parameter, Index) => (Parameter, Index)) | ||
| .Where(x => x.Parameter.Type.Equals(formatProviderType)) | ||
| .Select(x => x.Index); | ||
| } |
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I'm now looping over arguments directly and than checking if the parameter is of interest. The new implementation should hopefully be more performant and more straightforward.
Codecov Report
Additional details and impacted files@@ Coverage Diff @@
## main #6865 +/- ##
=======================================
Coverage 96.39% 96.39%
=======================================
Files 1403 1403
Lines 330977 330968 -9
Branches 10890 10891 +1
=======================================
- Hits 319055 319050 -5
+ Misses 9188 9182 -6
- Partials 2734 2736 +2 |
mavasani
approved these changes
Aug 28, 2023
|
@buyaa-n for another review |
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