feat: Sprint 2 - C# Roslyn Semantic Diff #1
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Runs on: - Push to main or develop - PRs targeting main or develop Pipeline: - Restore, build, test with .NET 10 - Upload test results and coverage reports Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implement syntax-aware diffing for C# files using Roslyn: - CSharpDiffer: Parses C# syntax trees, detects structural changes - SyntaxComparer: Compares syntax trees, matches nodes by name/kind - NodeMatcher: Extracts structural nodes, handles overloads via signatures - RoslynDifferBase: Abstract base for language-specific Roslyn differs Detects changes in: - Namespaces, classes, structs, records, interfaces, enums - Methods, constructors, properties, fields - Nested declarations with hierarchical change representation Includes: - 28 C# test fixtures covering all change scenarios - 13 unit tests for CSharpDiffer (65 total tests passing) - DifferFactory auto-selects CSharpDiffer for .cs files Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…Formatters Sprint 3: VB.NET + Semantic Analysis - VisualBasicDiffer for VB.NET files (.vb) - VisualBasicSyntaxComparer and VisualBasicNodeMatcher - SemanticComparer for rename/move detection - SymbolMatcher for content similarity matching - VB.NET test fixtures (modules, classes, subs, functions) - Semantic test fixtures (renames, moves) Sprint 4: Output Formatters - IOutputFormatter interface and OutputFormatterFactory - JsonFormatter with AI-friendly structure - HtmlFormatter with side-by-side diff view - PlainTextFormatter for pipes/redirects - SpectreConsoleFormatter for rich terminal output - Comprehensive tests for all formatters Test Results: 242 tests passing - Core: 108 tests - Output: 130 tests - CLI: 4 tests Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Changes
src/RoslynDiff.Core/Differ/CSharpDiffer.cs- C# semantic differ using Roslynsrc/RoslynDiff.Core/Comparison/SyntaxComparer.cs- Core comparison logicsrc/RoslynDiff.Core/Comparison/NodeMatcher.cs- Node matching algorithmsrc/RoslynDiff.Core/Differ/DifferFactory.cs- Updated to use CSharpDiffertests/RoslynDiff.Core.Tests/TestFixtures/CSharp/tests/RoslynDiff.Core.Tests/CSharpDifferTests.cs- 13 unit tests.github/workflows/ci.yml- CI pipelineTest plan
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