Experimental ReScript Language Server in OCaml - #8425

Draft

aspeddro wants to merge 142 commits into

rescript-lang:masterfrom

Commits on Dec 1, 2024

initial lsp
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693422c

Commits on Dec 30, 2024

Merge branch 'master' into lsp
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34bcd22

Commits on Mar 17, 2025

Merge branch 'master' into lsp
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7f209ef

Commits on Jun 20, 2025

Merge branch 'master' into lsp
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e203450

Commits on Apr 28, 2026

Merge branch 'master' into lsp
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e1273d6

Commits on Apr 29, 2026

update
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129af21

Commits on Apr 30, 2026

add state
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6b65a25

Commits on May 12, 2026

Commits on May 13, 2026

Merge branch 'master' into lsp
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2529f30

Commits on May 14, 2026

Split LSP into bin/src layout and add hover integration test
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365836c

Commits on May 16, 2026

Refactor analysis to decouple I/O from core logic
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1692629
Delegate hover logic to `Analysis.Commands.hover`
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743126f
Rename `tokenModifiersString` to `tokenModifiers` with correct type
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0e522be

Commits on May 22, 2026

Merge branch 'master' into lsp
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9da83c8
Update dune-project
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9df9079

Commits on May 30, 2026

Merge branch 'master' into lsp
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1b65e21

Commits on May 31, 2026

Merge branch 'master' into lsp
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768a040
Refactor LSP test infrastructure
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29cd3d7
ci: add linux-headers
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a20da0d
ci: add linux-headers-generic
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5a57bbc
ci: linux-libc-dev
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9442c4b
ci: add build-essential
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64dffd8
ci: add build-essential and linux-libc-dev
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e0f6296
ci: update cache version to v5
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8cebaf2

Commits on Jun 1, 2026

ci: make Linux headers visible to musl-gcc
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85138b1
Merge branch 'master' into lsp
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ee6de86
ci: support arm and disable test for build for ocaml 5.0
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66b69fe

Commits on Jun 2, 2026

makefile: add test-lsp
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c50f613

Commits on Jun 3, 2026

Merge branch 'master' into lsp
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fd83f06

Commits on Jun 5, 2026

Add LSP compiler diagnostics and file watching
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890fd16

Commits on Jun 6, 2026

Comment to add more compiler log test
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39639c6
ci: add lsp test step
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5e002cb
fix opam install ppx_expect
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5781622
ci: run test inside opam `opam exec --`
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728c4bf
lsp: disable hover supports_markdown_links for now
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33edc85
Move Eio_main setup to LSP executable
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75a6123
ci: skip lsp tests on Windows
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126f67a

Commits on Jun 7, 2026

Commits on Jun 8, 2026

Commits on Jun 9, 2026

add minimal param to State.to_yojson
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8ec52ae
Makefile: skip test on Windows and update ci
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22a5eeb

Commits on Jun 10, 2026

Commits on Jun 13, 2026

Implement code_actions.ml
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ac07b29
lsp format: use `rescript format` command
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ba293ab
Add code actions from compiler log
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87e280d

Commits on Jun 14, 2026

Add LSP configuration handling
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9f6c805
Circular dependency diagnostics: expand end character
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b4e797c
Add LSP compiler config parsing
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1566ae2
add code actions and custom requests
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fc76cba
fix dune tests
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2fae316

Commits on Jun 15, 2026

code action: check for window/showDocuent support
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0107015

Commits on Jun 16, 2026

Add LSP file navigation commands
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85942cd
chore: renames and minor fixes
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2bcd312
add todo comments and minor fixes
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879995d
add lsp.md
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e246eef
Update lsp.md
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b9d2730

Commits on Jun 17, 2026

Merge branch 'master' into lsp
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138172b
Omit empty document symbol children
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55d0431
Fix lsp document symbol
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4194057
Update lsp.md
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cc7ed4f
Add server notification `rescript/compilationFinished`
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de08232
compiler_log: add warning number
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1152368

Commits on Jun 18, 2026

add warning number in diagnostic message
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d2afded
Add more test to compiler log parser
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d3cfd95
Add cli
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11ac541

Commits on Jun 19, 2026

fix Neovim bug document symbol
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1ccc66e
minimal refactor on rescript_language_server.ml
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94d0d87
support `workspace/codeLens/refresh`
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2943e98
Resolve runtime packages from workspace node_modules
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0c4e43a
build system: remove `RESCRIPT_RUNTIME` env var
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47bae3b
Make Configuration unstrict
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5133b39
add more log message for invalid settings
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a41e580
dump server state: add configuration and order elements
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9a1bbb8
Server request settings from item `rescript.settings`
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08d0f48
move Exit to end
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e0dcc88
Support TextDocumentDiagnostic and improve TextDocumentDidOpen
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d8e0e67
Keep diagnostic sources separate
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7c7c209
Use sourcedirs for initial compiler diagnostics
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5813157
remove double newline from message diagnostic
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393a6c3
update analysis tests
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dd758b8

Commits on Jun 20, 2026

refactor compiler log parser
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81b6f1d
cli, print to stderr
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d18955c
refactor compiler log to use option for range
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abf9743
Update compiler log tests snapshots
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e3eab6e
Update compiler_config.ml
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0eef9a4
Remove comment from code_actions.ml
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07cfb97
Avoid duplicate syntax diagnostics on document changes
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3737687
minor fixes: add todo comment and fix typos in messages
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1fd9414
workspace/configuration section must use `rescript`
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acb52a5
Improve todo comments
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2f10c7f
Update lsp.md
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f8c0d4a
Update lsp.md
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42fe2ae
Refactor cmt_viewer.dump for serve-side
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be81434

Commits on Jun 21, 2026

Refactor execute commands. Move logic to module execute_commands.ml
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c80ae00
Move format logic to module Formatter.ml
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6ddcce5
Refactor code, better error messages
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2d411c9
Analysis cmt dump return a string instead a option
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0f16ff5
Update lsp.md
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a5f8c82
minor fixes
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b712f28
minor refactor
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136c02f

Commits on Jun 22, 2026

Merge branch 'master' into lsp
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a79ed75

Commits on Jun 30, 2026

fix typo: Unknow -> Unknown
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0e0b495
code actions: use %todo
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a13340d
Update lsp.md
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82dad0a
Update lsp.md
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d313206
lsp.md: fix typos
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23337d4

Commits on Jul 1, 2026

Add rescript_language_server.mli
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539d1a6

Commits on Jul 12, 2026

update formatter and lsp.md
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649ab7c

Commits on Jul 16, 2026

Resolve some TODOs
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3b4cfe3

Commits on Jul 17, 2026

Restore get_runtime_dir in build_system.ml
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bd375c5
Resolve todo resolve dep resolution using analysis
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7079611
Remove signature help setting. Enable by default
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4959f72
Replace command `rescript-vscode.go_to_location` with native URls
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9872578
Update lsp.md
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7b4cdfc
Merge branch 'master' into lsp
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ef60d77
Restore step ci `Make Linux headers visible to musl-gcc`
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45e2308
Update action.yml
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e871beb
Restore version in action.yml
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87b1b87
Fix uring install on ci
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041bf08
Update lsp.md and add notes.md
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5568145
Integrate lsp command into Rewatch
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a0e32ab
Make binary statically linked
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9c999ee

Commits on Jul 25, 2026

Fix stale and flickering LSP diagnostics
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bef996d
add lsp in COMPILER_SOURCES
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5061f2f
fix duplicated diagnostic
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1a57d99
Update test.ml
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201b3e1
Fix formatter
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22b5f6b

Commits on Jul 26, 2026

Refactor document store to use incremental text change
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6e6d0ec
Fix neovim bug in test dev
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6cd1f91
Update lsp.md
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ea637a1

Commits on Jul 31, 2026

Add Document.extension_of_kind
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30b0921
test: enable tests on windows using Unix.open_process_args
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4356d72