go.nvim/lua/go/lsp.lua
2023-11-07 12:19:48 +11:00

516 lines
14 KiB
Lua

local vim, api = vim, vim.api
local utils = require('go.utils')
local log = utils.log
local trace = utils.trace
local diagnostic_map = function(bufnr)
local opts = { noremap = true, silent = true }
api.nvim_buf_set_keymap(bufnr, 'n', ']O', ':lua vim.diagnostic.setloclist()<CR>', opts)
end
if vim.fn.has('nvim-0.8.3') ~= 1 then
return vim.notify(
'Please upgrade to neovim 0.8.3 or above',
vim.log.levels.ERROR,
{ title = 'Error' }
)
end
local codelens_enabled = false
local on_attach = function(client, bufnr)
log('go.nvim on_on_attach', bufnr)
trace('go.nvim gopls info', client)
local function buf_set_keymap(...)
vim.api.nvim_buf_set_keymap(bufnr, ...)
end
local uri = vim.uri_from_bufnr(bufnr)
if uri == 'file://' or uri == 'file:///' or #uri < 11 then
return { error = 'invalid file', result = nil }
end
diagnostic_map(bufnr)
-- add highlight for Lspxxx
api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
local opts = { noremap = true, silent = true }
if _GO_NVIM_CFG.lsp_document_formatting == false then
-- client.resolved_capabilities.document_formatting = false
client.server_capabilities.documentFormattingProvider = false
end
if _GO_NVIM_CFG.lsp_codelens then
codelens_enabled = (client.server_capabilities.codeLensProvider ~= false)
if not codelens_enabled then
vim.notify('codelens not support by your gopls', vim.log.levels.WARN)
end
vim.lsp.codelens.refresh()
end
local keymaps
if _GO_NVIM_CFG.lsp_keymaps == true then
log('go.nvim lsp_keymaps', bufnr)
keymaps = {
{ key = 'gd', func = vim.lsp.buf.definition, desc = 'goto definition' },
{ key = 'K', func = vim.lsp.buf.hover, desc = 'hover' },
{ key = 'gi', func = vim.lsp.buf.implementation, desc = 'goto implementation' },
{ key = '<C-k>', func = vim.lsp.buf.signature_help, desc = 'signature help' },
{ key = '<space>wa', func = vim.lsp.buf.add_workspace_folder, desc = 'add workspace' },
{
key = '<space>wr',
func = vim.lsp.buf.remove_workspace_folder,
desc = 'remove workspace',
},
{
key = '<space>wl',
func = function()
print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
end,
desc = 'list workspace',
},
{ key = 'gD', func = vim.lsp.buf.type_definition, desc = 'goto type definition' },
{ key = '<space>rn', func = require('go.rename').run, desc = 'rename' },
{ key = '<space>ca', func = require('go.codeaction').run_code_action, desc = 'code action' },
{
mode = 'v',
key = '<space>ca',
func = require('go.codeaction').run_range_code_action,
desc = 'range code action',
},
{ key = 'gr', func = vim.lsp.buf.references, desc = 'references' },
{ key = '<space>e', func = vim.diagnostic.open_float, desc = 'diagnostic' },
{ key = '[d', func = vim.diagnostic.goto_prev, desc = 'diagnostic prev' },
{ key = ']d', func = vim.diagnostic.goto_next, desc = 'diagnostic next' },
{ key = '<space>q', func = vim.diagnostic.setloclist, desc = 'diagnostic loclist' },
}
if client.server_capabilities.documentFormattingProvider and keymaps then
table.insert(keymaps, {
key = '<space>ff',
func = function()
vim.lsp.buf.format({ async = true })
end,
desc = 'format',
})
end
elseif type(_GO_NVIM_CFG.lsp_keymaps) == 'function' then
_GO_NVIM_CFG.lsp_keymaps(bufnr)
end
if keymaps then
opts.buffer = bufnr
for _, keymap in pairs(keymaps) do
if keymap.key == nil or keymap.func == nil then
vim.notify('invalid keymap' .. vim.inspect(keymap), vim.log.levels.WARN)
return
end
vim.keymap.set(keymap.mode or 'n', keymap.key, keymap.func, opts)
end
end
if client.name == 'gopls' then
local semantic = client.config.capabilities.textDocument.semanticTokens
local provider = client.server_capabilities.semanticTokensProvider
if semantic then
client.server_capabilities.semanticTokensProvider =
vim.tbl_deep_extend('force', provider or {}, {
full = true,
legend = {
tokenTypes = {
'namespace',
'type',
'class',
'enum',
'interface',
'struct',
'typeParameter',
'parameter',
'variable',
'property',
'enumMember',
'event',
'function',
'method',
'macro',
'keyword',
'modifier',
'comment',
'string',
'number',
'regexp',
'operator',
},
tokenModifiers = {
'declaration',
'definition',
'readonly',
'static',
'deprecated',
'abstract',
'async',
'modification',
'documentation',
'defaultLibrary',
},
},
range = true,
})
end
end
end
local extend_config = function(gopls, opts)
if next(opts) == nil or gopls == nil then
return gopls
end
for key, value in pairs(opts) do
if type(gopls[key]) == 'table' and type(value) == 'table' then
gopls[key] = vim.tbl_deep_extend('force', gopls[key], value)
else
if type(gopls[key]) ~= type(value) and key ~= 'handlers' then
vim.notify('gopls setup for ' .. key ..' type:' .. type(gopls[key]) .. ' is not ' .. type(value) .. vim.inspect(value))
end
gopls[key] = value
end
end
return gopls
end
local M = {}
function M.client()
local clients = vim.lsp.get_active_clients()
for _, cl in pairs(clients) do
if cl.name == 'gopls' then
return cl
end
end
end
function M.config()
local gopls = require('go.gopls').setups()
if gopls == nil then
return {}
end
if _GO_NVIM_CFG == nil then
return vim.notify('please setup go.nvim', vim.log.levels.WARN)
end
gopls.on_attach = on_attach
if type(_GO_NVIM_CFG.lsp_on_attach) == 'function' then
gopls.on_attach = _GO_NVIM_CFG.lsp_on_attach
end
if _GO_NVIM_CFG.lsp_on_client_start and type(_GO_NVIM_CFG.lsp_on_client_start) == 'function' then
gopls.on_attach = function(client, bufnr)
on_attach(client, bufnr)
_GO_NVIM_CFG.lsp_on_client_start(client, bufnr)
end
end
if _GO_NVIM_CFG.gopls_cmd then
gopls.cmd = _GO_NVIM_CFG.gopls_cmd
else
gopls.cmd = { 'gopls' }
require('go.install').install('gopls')
end
if _GO_NVIM_CFG.lsp_gofumpt then
gopls.settings.gopls.gofumpt = true
end
if _GO_NVIM_CFG.gopls_remote_auto then
table.insert(gopls.cmd, '-remote=auto')
end
if type(_GO_NVIM_CFG.lsp_cfg) == 'table' then
return extend_config(gopls, _GO_NVIM_CFG.lsp_cfg)
end
return gopls
end
function M.setup()
local goplscfg = M.config()
local lspconfig = utils.load_plugin('nvim-lspconfig', 'lspconfig')
if lspconfig == nil then
vim.notify('failed to load lspconfig', vim.log.levels.WARN)
return
end
local vim_version = vim.version().major * 100 + vim.version().minor * 10 + vim.version().patch
if vim_version < 81 then
vim.notify('LSP: go.nvim requires neovim 0.8.1 or later', vim.log.levels.WARN)
end
log(goplscfg)
lspconfig.gopls.setup(goplscfg)
end
--[[
FillStruct = "fill_struct"
UndeclaredName = "undeclared_name"
ExtractVariable = "extract_variable"
ExtractFunction = "extract_function"
ExtractMethod = "extract_method"
valueSet = { "", "Empty", "QuickFix", "Refactor", "RefactorExtract", "RefactorInline", "RefactorRewrite", "Source", "SourceOrganizeImports", "quickfix", "refactor", "refactor.extract", "refactor.inline", "refactor.re
write", "source", "source.organizeImports" }
]]
-- action / fix to take
-- only this action 'refactor.rewrite' source.organizeImports
M.codeaction = function(action, only, hdlr)
local params = vim.lsp.util.make_range_params()
if only then
params.context = { only = { only } }
end
local bufnr = vim.api.nvim_get_current_buf()
log(action, only, bufnr)
vim.lsp.buf_request_all(bufnr, 'textDocument/codeAction', params, function(result)
if not result or next(result) == nil then
log('nil result')
return
end
log('code action result', result)
local c = M.client()
for _, res in pairs(result) do
for _, r in pairs(res.result or {}) do
if r.edit and not vim.tbl_isempty(r.edit) then
local re = vim.lsp.util.apply_workspace_edit(r.edit, c.offset_encoding)
log('workspace edit', r, re)
end
if type(r.command) == 'table' then
if type(r.command) == 'table' and r.command.arguments then
for _, arg in pairs(r.command.arguments) do
if action == nil or arg['Fix'] == action then
vim.lsp.buf.execute_command(r.command)
return
end
end
end
end
end
end
if hdlr then
hdlr(result)
end
end)
end
M.gopls_on_attach = on_attach
M.codelens_enabled = function()
return codelens_enabled
end
local function request(method, params, handler)
return vim.lsp.buf_request(0, method, params, handler)
end
local function request_sync(method, params, timeout_ms)
return vim.lsp.buf_request_sync(0, method, params, timeout_ms)
end
function M.gen_return(lsp_result)
if not lsp_result or not lsp_result.contents then
return
end
local contents = vim.split(lsp_result.contents.value, '\n')
local func
for _, line in ipairs(contents) do
if line:match('^func') then
func = line
break
end
end
if not func then
return
end
local ret_list, err = M.find_ret(func)
if ret_list == nil or next(ret_list) == nil then
return
end
local header = ret_list[1]
for i = 2, #ret_list do
header = header .. ', ' .. ret_list[i]
end
local current_line = vim.api.nvim_get_current_line()
local ss, se = string.find(current_line, '%s+')
local leading_space = ''
if ss then
leading_space = current_line:sub(ss, se)
end
header = leading_space .. header .. ' := ' .. vim.trim(current_line)
local row, col = unpack(api.nvim_win_get_cursor(0))
vim.api.nvim_buf_set_lines(0, row - 1, row, true, { header })
vim.cmd('write')
if err then
require('go.iferr').run()
end
return header
end
local name_map = {
error = 'err',
int = 'i',
int64 = 'i',
uint = 'i',
uint64 = 'i',
float = 'f',
float64 = 'f',
string = 's',
rune = 'r',
bool = 'b',
channel = 'ch',
byte = 'b',
}
local function gen_name(types)
local rets = {}
local used = {}
for _, t in pairs(types) do
if name_map[t] then
if not used[name_map[t]] then
rets[#rets + 1] = name_map[t]
used[name_map[t]] = 1
else
rets[#rets + 1] = name_map[t] .. tostring(used[name_map[t]])
used[name_map[t]] = used[name_map[t]] + 1
end
else
local f = t:sub(1, 1)
if f == f:upper() then
name_map[t] = f:lower() .. t:sub(2)
table.insert(rets, name_map[t])
used[name_map[t]] = (used[name_map[t]] or 0) + 1
else
name_map[t] = f
table.insert(rets, name_map[t])
used[name_map[t]] = (used[name_map[t]] or 0) + 1
end
end
end
log(rets)
return rets
end
function M.find_ret(str)
str = vim.trim(str)
local pat = [[\v^func\s+%(\w|\.|\*|\)|\()+\(%(\w|\_s|[*\.\[\],{}<>-])*\)\s+]]
local regex = vim.regex(pat)
local start, endpos = regex:match_str(str)
if start == nil then
return
end
local ret = vim.trim(str:sub(endpos + 1))
if ret == '' then
return
end
pat = [[\v\(%(\w|\_s|[*\.\[\],{}<>-])*\)]]
regex = vim.regex(pat)
start, endpos = regex:match_str(ret)
-- handle return type in bracket
local retlist = {}
if start ~= nil then
ret = ret:sub(2, #ret - 1) -- remove ( and )
local ret_types = vim.split(ret, ',%s*')
local need_convert = true
for _, t in pairs(ret_types) do
t = vim.trim(t)
local m = vim.split(t, '%s+')
if #m > 1 then
need_convert = false
end
table.insert(retlist, m[1])
end
if need_convert then
retlist = gen_name(ret_types)
end
else
retlist = gen_name({ ret })
end
local includes_err = vim.tbl_contains(retlist, 'err')
return retlist, includes_err
end
function M.hover_returns()
local util = require('vim.lsp.util')
local current_line = vim.api.nvim_get_current_line()
local row, col = unpack(api.nvim_win_get_cursor(0))
local pat = [[\w\+(]]
local r = vim.regex(pat)
local s, e = r:match_str(current_line)
log(s, e)
if s == nil then
return
end
local params = util.make_position_params()
params.position.character = e - 1
log(params)
request('textDocument/hover', params, function(err, result, ctx)
if err ~= nil then
log(err)
return
end
if result == nil then
return
end
M.gen_return(result)
end)
end
function M.document_symbols(opts)
opts = opts or {}
local bufnr = opts.bufnr or vim.api.nvim_get_current_buf()
local params = vim.lsp.util.make_position_params()
params.context = { includeDeclaration = true }
params.query = opts.prompt or ''
local symbols
vim.lsp.for_each_buffer_client(bufnr, function(client, _, _bufnr)
if client.name == 'gopls' then
symbols =
client.request_sync('textDocument/documentSymbol', params, opts.timeout or 1000, _bufnr)
return symbols
end
end)
return symbols
end
local change_type = {
Created = 1,
Changed = 2,
Deleted = 3,
}
function M.watchFileChanged(fname, params)
params = params or vim.lsp.util.make_workspace_params()
fname = fname or vim.api.nvim_buf_get_name(0)
-- \ 'method': 'workspace/didChangeWatchedFiles',
params.changes = params.changes
or {
{ uri = params.uri or vim.uri_from_fname(fname), type = params.type or change_type.Changed },
}
vim.lsp.buf_request(
vim.api.nvim_get_current_buf(),
'workspace/didChangeWatchedFiles',
params,
function(err, result, ctx)
vim.defer_fn(function()
-- log(err, result, ctx)
if err then
-- the request was send to all clients and some may not support
log(
'failed to workspace reloaded:'
.. vim.inspect(err)
.. vim.inspect(ctx)
.. vim.inspect(result)
)
else
vim.notify('workspace reloaded')
end
end, 200)
end
)
end
return M