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feat(lsp): root_markers can control priority

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Problem:
root_markers cannot specify "equal priority filenames.

Solution:
Support nesting:

    {
      ...
      root_markers = { { ".stylua.toml", ".luarc.json" }, { ".git "} }
      ...
    }

Co-authored-by: Maria José Solano <majosolano99@gmail.com>
Co-authored-by: Gregory Anders <github@gpanders.com>
Co-authored-by: Justin M. Keyes <justinkz@gmail.com>
This commit is contained in:
Lorenzo Bellina
2025-04-30 15:43:32 +02:00
committed by Justin M. Keyes
parent 9dfb429e93
commit 533ec6d492
4 changed files with 186 additions and 9 deletions
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37
runtime/doc/lsp.txt
View File

@@ -41,7 +41,8 @@ Follow these steps to get LSP features:
-- current buffer that contains either a ".luarc.json" or a
-- ".luarc.jsonc" file. Files that share a root directory will reuse
-- the connection to the same LSP server.
root_markers = { '.luarc.json', '.luarc.jsonc' },
-- Nested lists indicate equal priority, see |vim.lsp.Config|.
root_markers = { { '.luarc.json', '.luarc.jsonc' }, '.git' },
-- Specific settings to send to the server. The schema for this is
-- defined by the server. For example the schema for lua-language-server
@@ -721,9 +722,37 @@ Lua module: vim.lsp *lsp-core*
the buffer. Thus a `root_dir()` function can
dynamically decide per-buffer whether to activate (or
skip) LSP. See example at |vim.lsp.enable()|.
• {root_markers}? (`string[]`) Directory markers (e.g. ".git/",
"package.json") used to decide `root_dir`. Unused if
`root_dir` is provided.
• {root_markers}? (`(string|string[])[]`) Directory markers (.e.g.
'.git/') where the LSP server will base its
workspaceFolders, rootUri, and rootPath on
initialization. Unused if `root_dir` is provided.
The list order decides the priority. To indicate
"equal priority", specify names in a nested list
(`{ { 'a', 'b' }, ... }`) Each entry in this list is
a set of one or more markers. For each set, Nvim will
search upwards for each marker contained in the set.
If a marker is found, the directory which contains
that marker is used as the root directory. If no
markers from the set are found, the process is
repeated with the next set in the list.
Example: >lua
root_markers = { 'stylua.toml', '.git' }
<
Find the first parent directory containing the file
`stylua.toml`. If not found, find the first parent
directory containing the file or directory `.git`.
Example: >lua
root_markers = { { 'stylua.toml', '.luarc.json' }, '.git' }
<
Find the first parent directory containing EITHER
`stylua.toml` or `.luarc.json`. If not found, find
the first parent directory containing the file or
directory `.git`.
buf_attach_client({bufnr}, {client_id}) *vim.lsp.buf_attach_client()*

1
runtime/doc/news.txt
View File

@@ -277,6 +277,7 @@ LSP
• The `textDocument/completion` request now includes the completion context in
its parameters.
• |vim.lsp.Config| gained `workspace_required`.
• `root_markers` in |vim.lsp.Config| can now be ordered by priority.
LUA

46
runtime/lua/vim/lsp.lua
View File

@@ -292,9 +292,37 @@ end
--- example at |vim.lsp.enable()|.
--- @field root_dir? string|fun(bufnr: integer, on_dir:fun(root_dir?:string))
---
--- Directory markers (e.g. ".git/", "package.json") used to decide `root_dir`. Unused if `root_dir`
--- is provided.
--- @field root_markers? string[]
--- Directory markers (.e.g. '.git/') where the LSP server will base its workspaceFolders,
--- rootUri, and rootPath on initialization. Unused if `root_dir` is provided.
---
--- The list order decides the priority. To indicate "equal priority", specify names in a nested list (`{ { 'a', 'b' }, ... }`)
--- Each entry in this list is a set of one or more markers. For each set, Nvim
--- will search upwards for each marker contained in the set. If a marker is
--- found, the directory which contains that marker is used as the root
--- directory. If no markers from the set are found, the process is repeated
--- with the next set in the list.
---
--- Example:
---
--- ```lua
--- root_markers = { 'stylua.toml', '.git' }
--- ```
---
--- Find the first parent directory containing the file `stylua.toml`. If not
--- found, find the first parent directory containing the file or directory
--- `.git`.
---
--- Example:
---
--- ```lua
--- root_markers = { { 'stylua.toml', '.luarc.json' }, '.git' }
--- ```
---
--- Find the first parent directory containing EITHER `stylua.toml` or
--- `.luarc.json`. If not found, find the first parent directory containing the
--- file or directory `.git`.
---
--- @field root_markers? (string|string[])[]
--- Update the configuration for an LSP client.
---
@@ -593,7 +621,7 @@ end
--- Suppress error reporting if the LSP server fails to start (default false).
--- @field silent? boolean
---
--- @field package _root_markers? string[]
--- @field package _root_markers? (string|string[])[]
--- Create a new LSP client and start a language server or reuses an already
--- running client if one is found matching `name` and `root_dir`.
@@ -640,8 +668,16 @@ function lsp.start(config, opts)
local bufnr = vim._resolve_bufnr(opts.bufnr)
if not config.root_dir and opts._root_markers then
validate('root_markers', opts._root_markers, 'table')
config = vim.deepcopy(config)
config.root_dir = vim.fs.root(bufnr, opts._root_markers)
for _, marker in ipairs(opts._root_markers) do
local root = vim.fs.root(bufnr, marker)
if root ~= nil then
config.root_dir = root
break
end
end
end
if