summaryrefslogtreecommitdiff
path: root/.config/nvim/lua/lsp/init.lua
blob: 067375fb785ccadf380a6e3d8d9b5551cd50ed35 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
local M = {}
local Log = require "core.log"

function M.config()
  vim.lsp.protocol.CompletionItemKind = options.lsp.completion.item_kind

  for _, sign in ipairs(options.lsp.diagnostics.signs.values) do
    vim.fn.sign_define(
      sign.name,
      { texthl = sign.name, text = sign.text, numhl = sign.name }
    )
  end

  require("lsp.handlers").setup()
end

local function lsp_highlight_document(client)
  if options.lsp.document_highlight == false then
    return -- we don't need further
  end
  -- Set autocommands conditional on server_capabilities
  if client.resolved_capabilities.document_highlight then
    vim.api.nvim_exec(
      [[
      hi LspReferenceRead cterm=bold ctermbg=red guibg=#464646
      hi LspReferenceText cterm=bold ctermbg=red guibg=#464646
      hi LspReferenceWrite cterm=bold ctermbg=red guibg=#464646
      augroup lsp_document_highlight
        autocmd! * <buffer>
        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
      augroup END
    ]],
      false
    )
  end
end

local function add_lsp_buffer_keybindings(bufnr)
  local wk = require "which-key"
  local keys = {
    ["K"] = { "<cmd>lua vim.lsp.buf.hover()<CR>", "Show hover" },
    ["gd"] = { "<cmd>lua vim.lsp.buf.definition()<CR>", "Goto Definition" },
    ["gD"] = { "<cmd>lua vim.lsp.buf.declaration()<CR>", "Goto declaration" },
    ["gr"] = { "<cmd>lua vim.lsp.buf.references()<CR>", "Goto references" },
    ["gi"] = { "<cmd>lua vim.lsp.buf.implementation()<CR>", "Goto implementation" },
    ["gs"] = { "<cmd>lua vim.lsp.buf.signature_help()<CR>", "show signature help" },
    ["gp"] = { "<cmd>lua require'lsp.peek'.Peek('definition')<CR>", "Peek definition" },
    ["gl"] = {
      "<cmd>lua vim.lsp.diagnostic.show_line_diagnostics({ show_header = false, border = 'single' })<CR>",
      "Show line diagnostics",
    },
  }
  wk.register(keys, { mode = "n", buffer = bufnr })
end

local function set_smart_cwd(client)
  local proj_dir = client.config.root_dir
  if options.lsp.smart_cwd and proj_dir ~= "/" then
    vim.api.nvim_set_current_dir(proj_dir)
    require("core.nvimtree").change_tree_dir(proj_dir)
  end
end

function M.common_capabilities()
  local capabilities = vim.lsp.protocol.make_client_capabilities()
  capabilities.textDocument.completion.completionItem.snippetSupport = true
  capabilities.textDocument.completion.completionItem.resolveSupport = {
    properties = {
      "documentation",
      "detail",
      "additionalTextEdits",
    },
  }
  return capabilities
end

function M.get_ls_capabilities(client_id)
  local client
  if not client_id then
    local buf_clients = vim.lsp.buf_get_clients()
    for _, buf_client in ipairs(buf_clients) do
      if buf_client.name ~= "null-ls" then
        client_id = buf_client.id
        break
      end
    end
  end
  if not client_id then
    error "Unable to determine client_id"
  end

  client = vim.lsp.get_client_by_id(tonumber(client_id))

  local enabled_caps = {}

  for k, v in pairs(client.resolved_capabilities) do
    if v == true then
      table.insert(enabled_caps, k)
    end
  end

  return enabled_caps
end

function M.common_on_init(client, bufnr)
  if options.lsp.on_init_callback then
    options.lsp.on_init_callback(client, bufnr)
    Log:get_default().info "Called lsp.on_init_callback"
    return
  end

  local formatters = options.lang[vim.bo.filetype].formatters
  if
    not vim.tbl_isempty(formatters)
    and formatters[1]["exe"] ~= nil
    and formatters[1].exe ~= ""
  then
    client.resolved_capabilities.document_formatting = false
    Log:get_default().info(
      string.format(
        "Overriding language server [%s] with format provider [%s]",
        client.name,
        formatters[1].exe
      )
    )
  end
end

function M.common_on_attach(client, bufnr)
  if options.lsp.on_attach_callback then
    options.lsp.on_attach_callback(client, bufnr)
    Log:get_default().info "Called lsp.on_init_callback"
  end
  lsp_highlight_document(client)
  add_lsp_buffer_keybindings(bufnr)
  set_smart_cwd(client)
  require("lsp.null-ls").setup(vim.bo.filetype)
end

function M.setup(lang)
  local lsp_utils = require "lsp.utils"
  local lsp = options.lang[lang].lsp
  if lsp_utils.is_client_active(lsp.provider) then
    return
  end

  local overrides = options.lsp.override
  if type(overrides) == "table" then
    if vim.tbl_contains(overrides, lang) then
      return
    end
  end

  if lsp.provider ~= nil and lsp.provider ~= "" then
    local lspconfig = require "lspconfig"
    lspconfig[lsp.provider].setup(lsp.setup)
  end
end

return M