haskell-lsp

Haskell library for the Microsoft Language Server Protocol https://github.com/alanz/haskell-lsp

Version on this page:0.1.0.0
LTS Haskell 12.1:0.2.2.0
Stackage Nightly 2018-07-20:0.4.0.0
Latest on Hackage:0.4.0.0

See all snapshots haskell-lsp appears in

MIT licensed by Alan Zimmerman
Maintained by alan.zimm@gmail.com

Module documentation for 0.1.0.0

There are no documented modules for this package.

CircleCI Hackage

haskell-lsp

Haskell library for the Microsoft Language Server Protocol

Warning: this library and its associated ecosystem is under development at the moment. So do not have high expectations, it is not ready for casual use.

Hacking

To see this library in use you need to install the haskell-ide-engine

git clone https://github.com/haskell/haskell-ide-engine --recursive
cd haskell-ide-engine
stack install

This will put the hie executable in your path.

Then, run the plugin in vscode:

git clone https://github.com/alanz/vscode-hie-server
cd vscode-hie-server
code .

In vscode, press F5 to run the extension in development mode.

You can see a log from hie by doing

tail -F /tmp/hie-vscode.log

There are also facilities on the code to send back language-server-protocol log and show events.

It can also be used with emacs, see https://github.com/emacs-lsp/lsp-haskell

Using the example server

stack install

will generate a lsp-hello executable.

Changing the server to be called in the vscode-hie-server plugin from hie to lsp-hello will run the example server instead of hie.

Likewise, changing the executable in lsp-haskell for emacs.

Useful links

Other resource

See #haskell-ide-engine on IRC freenode

Changes

Revision history for haskell-lsp

0.4.0.0 – 2018-07-10

  • CodeAction support as per v3.8 of the specification, by @Bubba
  • Update VersionedTextDocumentIdentifier to match specification, by @Bubba

0.3.0.0

  • Handle TextDocumentSync fallbacks with new TDS type.

0.2.3.0 – 2018-99-99

  • GHC 8.4.3 support
  • Apply changes to the VFS in the order received in a message. This fixes vscode undo behaviour. By @Bubba
  • Introduce additional error codes as per the LSP spec. By @Bubba
  • Add preliminary support for recording LSP traffic for later playback in test scenarios. By @Bubba

0.2.2.0 – 2018-05-04

  • Make Diagnostic relatedInformation optional, as per the LSP Spec. By @Bubba.

0.2.1.0 – 2018-05-02

  • Support GHC 8.4.2
  • Split into two packages
  • Language.Haskell.LSP.TH.DataTypesJSON becomes Language.Haskell.LSP.Types
  • Diagnostic now has _relatedInformation. Can default it to mempty. via @AlexeyRaga
  • Correct the name of the DidChangeWatchedFilesParams field, by @robrix
  • Make sure to escape URIs properly for Windows file paths Fixes #75. Also added a couple of pretty dumb tests!, by @johnsonw

0.2.0.1 – 2017-12-27

  • Built with LTS 10.1 (stack)
  • Don’t escape semicolons after drive letters by @nponeccop
  • Add Foldable and Traversable instance to List by @noughtmare

0.2.0.0 – 2017-11-23

  • Major changes as implementation continued. Now seems stable, used in haskell-ide-engine

0.1.0.0 – 2017-07-19

  • First version. Implements version 3 of the Microsoft Language Server Protocol
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