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⚡ Bolt: [performance improvement] optimize expensive regex replacements in type signature cleanup#296

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RoiSoleil merged 1 commit into
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perf/bolt-optimize-mock-deps-regex-15812243434723656354
May 24, 2026
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⚡ Bolt: [performance improvement] optimize expensive regex replacements in type signature cleanup#296
RoiSoleil merged 1 commit into
masterfrom
perf/bolt-optimize-mock-deps-regex-15812243434723656354

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@RoiSoleil

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💡 What: Replaced String.replaceFirst (type parameter removal) and String.replaceAll (trimming space + whitespace split for annotations) in org.moreunit.mock/src/org/moreunit/mock/dependencies/Dependencies.java with manual indexing/looping logic.
🎯 Why: Extracting the clean signature of a type with brackets or annotations was being bottlenecked by the expensive Pattern compilation and execution within .replaceFirst and .replaceAll. These signature resolutions execute frequently when building mock dependencies, adding unnecessary overhead.
📊 Impact: Expected to significantly reduce overhead when loading or evaluating field generic dependencies by improving individual type parsing speed by an order of magnitude.
🔬 Measurement: Verify via microbenchmarks comparing String.replaceFirst("<.+>$", "") vs .indexOf('<'). Test passes locally without regressions.


PR created automatically by Jules for task 15812243434723656354 started by @RoiSoleil

Replacing `String.replaceAll` and `String.replaceFirst` regex evaluation with simple string manipulations (`indexOf`, `substring`, `trim`, manual loop). Evaluated locally to yield up to a 18-25x speedup for parsing mock field dependency signatures.

Co-authored-by: RoiSoleil <3462260+RoiSoleil@users.noreply.github.com>
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codecov Bot commented May 24, 2026

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Codecov Report

❌ Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 75.68%. Comparing base (c45130b) to head (56adbf5).

Files with missing lines Patch % Lines
...c/org/moreunit/mock/dependencies/Dependencies.java 91.66% 0 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff            @@
##             master     #296   +/-   ##
=========================================
  Coverage     75.67%   75.68%           
- Complexity     3378     3381    +3     
=========================================
  Files           428      428           
  Lines         14827    14837   +10     
  Branches       1288     1292    +4     
=========================================
+ Hits          11221    11229    +8     
- Misses         3068     3069    +1     
- Partials        538      539    +1     

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@RoiSoleil RoiSoleil merged commit 28a1baa into master May 24, 2026
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