/
rust_analyzer.lua
62 lines (57 loc) · 1.87 KB
/
rust_analyzer.lua
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local configs = require 'lspconfig/configs'
local util = require 'lspconfig/util'
local lsp = vim.lsp
local function reload_workspace(bufnr)
bufnr = util.validate_bufnr(bufnr)
lsp.buf_request(bufnr, 'rust-analyzer/reloadWorkspace', nil, function(err, _, result, _)
if err then
error(tostring(err))
end
vim.notify 'Cargo workspace reloaded'
end)
end
configs.rust_analyzer = {
default_config = {
cmd = { 'rust-analyzer' },
filetypes = { 'rust' },
root_dir = function(fname)
local cargo_crate_dir = util.root_pattern 'Cargo.toml'(fname)
local cmd = 'cargo metadata --no-deps --format-version 1'
if cargo_crate_dir ~= nil then
cmd = cmd .. ' --manifest-path ' .. util.path.join(cargo_crate_dir, 'Cargo.toml')
end
local cargo_metadata = vim.fn.system(cmd)
local cargo_workspace_dir = nil
if vim.v.shell_error == 0 then
cargo_workspace_dir = vim.fn.json_decode(cargo_metadata)['workspace_root']
end
return cargo_workspace_dir
or cargo_crate_dir
or util.root_pattern 'rust-project.json'(fname)
or util.find_git_ancestor(fname)
end,
settings = {
['rust-analyzer'] = {},
},
},
commands = {
CargoReload = {
function()
reload_workspace(0)
end,
description = 'Reload current cargo workspace',
},
},
docs = {
package_json = 'https://raw.githubusercontent.com/rust-analyzer/rust-analyzer/master/editors/code/package.json',
description = [[
https://github.com/rust-analyzer/rust-analyzer
rust-analyzer (aka rls 2.0), a language server for Rust
See [docs](https://github.com/rust-analyzer/rust-analyzer/tree/master/docs/user#settings) for extra settings.
]],
default_config = {
root_dir = [[root_pattern("Cargo.toml", "rust-project.json")]],
},
},
}
configs.rust_analyzer.reload_workspace = reload_workspace