vsintegration-ide-debugging

Fix F# debugging issues (breakpoints, .pdb, sequence points). Build, run VS integration tests, inspect IL/PDB.

Repositorio: dotnet/fsharp
Última actividad en el origen: 13 de marzo de 2026 a las 17:00
Idioma detectado de SKILL.md: inglés
Estrellas: 4322
Forks: 869

Opciones de instalación

De forma predeterminada está seleccionado el prompt que primero revisa el origen. Puedes cambiar a un comando directo o descargar una copia local.

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npx skills add https://github.com/dotnet/fsharp --skill vsintegration-ide-debugging

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SKILL.md

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fsharp-diagnostics

Always invoke after editing `.fs` files under `src/Compiler/`. Fast parse/typecheck without `dotnet build`, plus symbol references and inferred type hints. Use whenever the user asks about F# errors, compile errors, type inference, finding usages, or renaming a symbol in the compiler tree.

2026-08-04

pr-description

Use when drafting, proposing, creating, or editing prose for a dotnet/fsharp GitHub PR or issue — body, title, comment, review summary, edits — including bare asks like "open a PR", "ship this", "write up what I did", "summarise the change", "reply on the PR", "edit the issue body", "gh pr create", "gh pr comment", "gh pr edit --body", "gh issue comment", "gh pr review --body". Primary use case is PR descriptions; same rules apply to PR/issue comments and review summaries. Not for labels, reviewers, merging, or code-review findings (just the prose write-up of them).

2026-07-28

code-compaction

Use when a code/test/comment diff is called bloated, slop, LLM slop, bullshit, WTF, crap, rubbish, embarrassing, overengineered, adhoc, or "not paid by LOC"; or when symptoms include bloated comments, superfluous planning .md / .tools / one-time setup / phase-or-sprint tags, huge-file growth instead of new-file extraction, 5 copy-pasted tests that should be 1 parametrized test, duplicated test setup, reinvented helpers, near-duplicate logic across files, low reuse, 4+ new module-level helpers for one bugfix, fresh whole-AST/IR/syntax-tree walkers, or 150+ added LOC for one bugfix. Also use proactively before opening a PR whose diff smells like any of the above.

2026-07-01

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name	vsintegration-ide-debugging
description	Fix F# debugging issues (breakpoints, .pdb, sequence points). Build, run VS integration tests, inspect IL/PDB.

VS Integration Debugging

Build

.\Build.cmd -c Debug

Run tests

xUnit2 VS Extensibility — not dotnet test.

$runner = (Get-ChildItem "$env:NUGET_PACKAGES\xunit.runner.console" -Recurse -Filter xunit.console.exe | Where-Object { $_.FullName -like '*net472*' } | Select-Object -First 1).FullName
& $runner artifacts\bin\FSharp.Editor.IntegrationTests\Debug\net472\FSharp.Editor.IntegrationTests.exe -parallel none -nologo

Key paths

Tests + infra: vsintegration/tests/FSharp.Editor.IntegrationTests/
Sequence point emit: src/Compiler/CodeGen/IlxGen.fs → EmitDebugPoint, EnsureNopBetweenDebugPoints
PDB writer: src/Compiler/AbstractIL/ilwritepdb.fs
Collection lowering: src/Compiler/Optimize/LowerComputedCollections.fs
Local compiler setup: UseLocalCompiler.Directory.Build.props

Core rule

VS debugger binds breakpoints only at stack-empty IL offsets. Move the sequence point — never add runtime instructions.

vsintegration-ide-debugging

Datos de origen

Opciones de instalación

Revisa los archivos de origen

Más de este repositorio

Más de este repositorio

VS Integration Debugging

Build

Run tests

Key paths

Core rule

VS Integration Debugging

Build

Run tests

Key paths

Core rule