mirror of
https://github.com/neovim/neovim.git
synced 2024-12-29 14:41:06 -07:00
9b357e30fd
- Partition the handlers in vim.lsp.handlers as: - client to server response handlers (RCS) - server to client request handlers (RSC) - server to client notification handlers (NSC) Note use string indexes instead of protocol.methods for improved typing in LuaLS (tip: use hover on RCS, RSC or NSC).
470 lines
15 KiB
Lua
470 lines
15 KiB
Lua
-- Generates lua-ls annotations for lsp.
|
|
|
|
local USAGE = [[
|
|
Generates lua-ls annotations for lsp.
|
|
|
|
USAGE:
|
|
nvim -l scripts/gen_lsp.lua gen # by default, this will overwrite runtime/lua/vim/lsp/_meta/protocol.lua
|
|
nvim -l scripts/gen_lsp.lua gen --version 3.18 --out runtime/lua/vim/lsp/_meta/protocol.lua
|
|
nvim -l scripts/gen_lsp.lua gen --version 3.18 --methods
|
|
]]
|
|
|
|
local DEFAULT_LSP_VERSION = '3.18'
|
|
|
|
local M = {}
|
|
|
|
local function tofile(fname, text)
|
|
local f = io.open(fname, 'w')
|
|
if not f then
|
|
error(('failed to write: %s'):format(f))
|
|
else
|
|
print(('Written to: %s'):format(fname))
|
|
f:write(text)
|
|
f:close()
|
|
end
|
|
end
|
|
|
|
--- The LSP protocol JSON data (it's partial, non-exhaustive).
|
|
--- https://raw.githubusercontent.com/microsoft/language-server-protocol/gh-pages/_specifications/lsp/3.18/metaModel/metaModel.schema.json
|
|
--- @class vim._gen_lsp.Protocol
|
|
--- @field requests vim._gen_lsp.Request[]
|
|
--- @field notifications vim._gen_lsp.Notification[]
|
|
--- @field structures vim._gen_lsp.Structure[]
|
|
--- @field enumerations vim._gen_lsp.Enumeration[]
|
|
--- @field typeAliases vim._gen_lsp.TypeAlias[]
|
|
|
|
---@param opt vim._gen_lsp.opt
|
|
---@return vim._gen_lsp.Protocol
|
|
local function read_json(opt)
|
|
local uri = 'https://raw.githubusercontent.com/microsoft/language-server-protocol/gh-pages/_specifications/lsp/'
|
|
.. opt.version
|
|
.. '/metaModel/metaModel.json'
|
|
print('Reading ' .. uri)
|
|
|
|
local res = vim.system({ 'curl', '--no-progress-meter', uri, '-o', '-' }):wait()
|
|
if res.code ~= 0 or (res.stdout or ''):len() < 999 then
|
|
print(('URL failed: %s'):format(uri))
|
|
vim.print(res)
|
|
error(res.stdout)
|
|
end
|
|
return vim.json.decode(res.stdout)
|
|
end
|
|
|
|
-- Gets the Lua symbol for a given fully-qualified LSP method name.
|
|
local function to_luaname(s)
|
|
-- "$/" prefix is special: https://microsoft.github.io/language-server-protocol/specification/#dollarRequests
|
|
return s:gsub('^%$', 'dollar'):gsub('/', '_')
|
|
end
|
|
|
|
---@param protocol vim._gen_lsp.Protocol
|
|
local function gen_methods(protocol)
|
|
local indent = (' '):rep(2)
|
|
|
|
--- @class vim._gen_lsp.Request
|
|
--- @field deprecated? string
|
|
--- @field documentation? string
|
|
--- @field messageDirection string
|
|
--- @field method string
|
|
--- @field params? any
|
|
--- @field proposed? boolean
|
|
--- @field registrationMethod? string
|
|
--- @field registrationOptions? any
|
|
--- @field since? string
|
|
|
|
--- @class vim._gen_lsp.Notification
|
|
--- @field deprecated? string
|
|
--- @field documentation? string
|
|
--- @field errorData? any
|
|
--- @field messageDirection string
|
|
--- @field method string
|
|
--- @field params? any[]
|
|
--- @field partialResult? any
|
|
--- @field proposed? boolean
|
|
--- @field registrationMethod? string
|
|
--- @field registrationOptions? any
|
|
--- @field result any
|
|
--- @field since? string
|
|
|
|
---@type (vim._gen_lsp.Request|vim._gen_lsp.Notification)[]
|
|
local all = vim.list_extend(protocol.requests, protocol.notifications)
|
|
table.sort(all, function(a, b)
|
|
return to_luaname(a.method) < to_luaname(b.method)
|
|
end)
|
|
|
|
local output = {
|
|
'-- Generated by gen_lsp.lua, keep at end of file.',
|
|
'--- @alias vim.lsp.protocol.Method.ClientToServer',
|
|
}
|
|
for _, item in ipairs(all) do
|
|
if item.method and item.messageDirection == 'clientToServer' then
|
|
output[#output + 1] = ("--- | '%s',"):format(item.method)
|
|
end
|
|
end
|
|
|
|
vim.list_extend(output, {
|
|
'',
|
|
'--- @alias vim.lsp.protocol.Method.ServerToClient',
|
|
})
|
|
for _, item in ipairs(all) do
|
|
if item.method and item.messageDirection == 'serverToClient' then
|
|
output[#output + 1] = ("--- | '%s',"):format(item.method)
|
|
end
|
|
end
|
|
|
|
vim.list_extend(output, {
|
|
'',
|
|
'--- @alias vim.lsp.protocol.Method',
|
|
'--- | vim.lsp.protocol.Method.ClientToServer',
|
|
'--- | vim.lsp.protocol.Method.ServerToClient',
|
|
'',
|
|
'-- Generated by gen_lsp.lua, keep at end of file.',
|
|
'---',
|
|
'--- @enum vim.lsp.protocol.Methods',
|
|
'--- @see https://microsoft.github.io/language-server-protocol/specification/#metaModel',
|
|
'--- LSP method names.',
|
|
'protocol.Methods = {',
|
|
})
|
|
|
|
for _, item in ipairs(all) do
|
|
if item.method then
|
|
if item.documentation then
|
|
local document = vim.split(item.documentation, '\n?\n', { trimempty = true })
|
|
for _, docstring in ipairs(document) do
|
|
output[#output + 1] = indent .. '--- ' .. docstring
|
|
end
|
|
end
|
|
output[#output + 1] = ("%s%s = '%s',"):format(indent, to_luaname(item.method), item.method)
|
|
end
|
|
end
|
|
output[#output + 1] = '}'
|
|
output[#output + 1] = ''
|
|
output[#output + 1] = 'return protocol'
|
|
|
|
local fname = './runtime/lua/vim/lsp/protocol.lua'
|
|
local bufnr = vim.fn.bufadd(fname)
|
|
vim.fn.bufload(bufnr)
|
|
vim.api.nvim_set_current_buf(bufnr)
|
|
local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
|
|
local index = vim.iter(ipairs(lines)):find(function(key, item)
|
|
return vim.startswith(item, '-- Generated by') and key or nil
|
|
end)
|
|
index = index and index - 1 or vim.api.nvim_buf_line_count(bufnr) - 1
|
|
vim.api.nvim_buf_set_lines(bufnr, index, -1, true, output)
|
|
vim.cmd.write()
|
|
end
|
|
|
|
---@class vim._gen_lsp.opt
|
|
---@field output_file string
|
|
---@field version string
|
|
---@field methods boolean
|
|
|
|
---@param opt vim._gen_lsp.opt
|
|
function M.gen(opt)
|
|
--- @type vim._gen_lsp.Protocol
|
|
local protocol = read_json(opt)
|
|
|
|
if opt.methods then
|
|
gen_methods(protocol)
|
|
end
|
|
|
|
local output = {
|
|
'--' .. '[[',
|
|
'THIS FILE IS GENERATED by scripts/gen_lsp.lua',
|
|
'DO NOT EDIT MANUALLY',
|
|
'',
|
|
'Based on LSP protocol ' .. opt.version,
|
|
'',
|
|
'Regenerate:',
|
|
([=[nvim -l scripts/gen_lsp.lua gen --version %s]=]):format(DEFAULT_LSP_VERSION),
|
|
'--' .. ']]',
|
|
'',
|
|
'---@meta',
|
|
"error('Cannot require a meta file')",
|
|
'',
|
|
'---@alias lsp.null nil',
|
|
'---@alias uinteger integer',
|
|
'---@alias decimal number',
|
|
'---@alias lsp.DocumentUri string',
|
|
'---@alias lsp.URI string',
|
|
'',
|
|
}
|
|
|
|
local anonymous_num = 0
|
|
|
|
---@type string[]
|
|
local anonym_classes = {}
|
|
|
|
local simple_types = {
|
|
'string',
|
|
'boolean',
|
|
'integer',
|
|
'uinteger',
|
|
'decimal',
|
|
}
|
|
|
|
---@param documentation string
|
|
local _process_documentation = function(documentation)
|
|
documentation = documentation:gsub('\n', '\n---')
|
|
-- Remove <200b> (zero-width space) unicode characters: e.g., `**/<200b>*`
|
|
documentation = documentation:gsub('\226\128\139', '')
|
|
-- Escape annotations that are not recognized by lua-ls
|
|
documentation = documentation:gsub('%^---@sample', '---\\@sample')
|
|
return '---' .. documentation
|
|
end
|
|
|
|
--- @class vim._gen_lsp.Type
|
|
--- @field kind string a common field for all Types.
|
|
--- @field name? string for ReferenceType, BaseType
|
|
--- @field element? any for ArrayType
|
|
--- @field items? vim._gen_lsp.Type[] for OrType, AndType
|
|
--- @field key? vim._gen_lsp.Type for MapType
|
|
--- @field value? string|vim._gen_lsp.Type for StringLiteralType, MapType, StructureLiteralType
|
|
|
|
---@param type vim._gen_lsp.Type
|
|
---@param prefix? string Optional prefix associated with the this type, made of (nested) field name.
|
|
--- Used to generate class name for structure literal types.
|
|
---@return string
|
|
local function parse_type(type, prefix)
|
|
-- ReferenceType | BaseType
|
|
if type.kind == 'reference' or type.kind == 'base' then
|
|
if vim.tbl_contains(simple_types, type.name) then
|
|
return type.name
|
|
end
|
|
return 'lsp.' .. type.name
|
|
|
|
-- ArrayType
|
|
elseif type.kind == 'array' then
|
|
local parsed_items = parse_type(type.element, prefix)
|
|
if type.element.items and #type.element.items > 1 then
|
|
parsed_items = '(' .. parsed_items .. ')'
|
|
end
|
|
return parsed_items .. '[]'
|
|
|
|
-- OrType
|
|
elseif type.kind == 'or' then
|
|
local val = ''
|
|
for _, item in ipairs(type.items) do
|
|
val = val .. parse_type(item, prefix) .. '|' --[[ @as string ]]
|
|
end
|
|
val = val:sub(0, -2)
|
|
return val
|
|
|
|
-- StringLiteralType
|
|
elseif type.kind == 'stringLiteral' then
|
|
return '"' .. type.value .. '"'
|
|
|
|
-- MapType
|
|
elseif type.kind == 'map' then
|
|
local key = assert(type.key)
|
|
local value = type.value --[[ @as vim._gen_lsp.Type ]]
|
|
return 'table<' .. parse_type(key, prefix) .. ', ' .. parse_type(value, prefix) .. '>'
|
|
|
|
-- StructureLiteralType
|
|
elseif type.kind == 'literal' then
|
|
-- can I use ---@param disabled? {reason: string}
|
|
-- use | to continue the inline class to be able to add docs
|
|
-- https://github.com/LuaLS/lua-language-server/issues/2128
|
|
anonymous_num = anonymous_num + 1
|
|
local anonymous_classname = 'lsp._anonym' .. anonymous_num
|
|
if prefix then
|
|
anonymous_classname = anonymous_classname .. '.' .. prefix
|
|
end
|
|
local anonym = vim
|
|
.iter({
|
|
(anonymous_num > 1 and { '' } or {}),
|
|
{ '---@class ' .. anonymous_classname },
|
|
})
|
|
:flatten()
|
|
:totable()
|
|
|
|
--- @class vim._gen_lsp.StructureLiteral translated to anonymous @class.
|
|
--- @field deprecated? string
|
|
--- @field description? string
|
|
--- @field properties vim._gen_lsp.Property[]
|
|
--- @field proposed? boolean
|
|
--- @field since? string
|
|
|
|
---@type vim._gen_lsp.StructureLiteral
|
|
local structural_literal = assert(type.value) --[[ @as vim._gen_lsp.StructureLiteral ]]
|
|
for _, field in ipairs(structural_literal.properties) do
|
|
anonym[#anonym + 1] = '---'
|
|
if field.documentation then
|
|
anonym[#anonym + 1] = _process_documentation(field.documentation)
|
|
end
|
|
anonym[#anonym + 1] = '---@field '
|
|
.. field.name
|
|
.. (field.optional and '?' or '')
|
|
.. ' '
|
|
.. parse_type(field.type, prefix .. '.' .. field.name)
|
|
end
|
|
-- anonym[#anonym + 1] = ''
|
|
for _, line in ipairs(anonym) do
|
|
if line then
|
|
anonym_classes[#anonym_classes + 1] = line
|
|
end
|
|
end
|
|
return anonymous_classname
|
|
|
|
-- TupleType
|
|
elseif type.kind == 'tuple' then
|
|
local tuple = '['
|
|
for _, value in ipairs(type.items) do
|
|
tuple = tuple .. parse_type(value, prefix) .. ', '
|
|
end
|
|
-- remove , at the end
|
|
tuple = tuple:sub(0, -3)
|
|
return tuple .. ']'
|
|
end
|
|
|
|
vim.print('WARNING: Unknown type ', type)
|
|
return ''
|
|
end
|
|
|
|
--- @class vim._gen_lsp.Structure translated to @class
|
|
--- @field deprecated? string
|
|
--- @field documentation? string
|
|
--- @field extends? { kind: string, name: string }[]
|
|
--- @field mixins? { kind: string, name: string }[]
|
|
--- @field name string
|
|
--- @field properties? vim._gen_lsp.Property[] members, translated to @field
|
|
--- @field proposed? boolean
|
|
--- @field since? string
|
|
for _, structure in ipairs(protocol.structures) do
|
|
-- output[#output + 1] = ''
|
|
if structure.documentation then
|
|
output[#output + 1] = _process_documentation(structure.documentation)
|
|
end
|
|
local class_string = ('---@class lsp.%s'):format(structure.name)
|
|
if structure.extends or structure.mixins then
|
|
local inherits_from = table.concat(
|
|
vim.list_extend(
|
|
vim.tbl_map(parse_type, structure.extends or {}),
|
|
vim.tbl_map(parse_type, structure.mixins or {})
|
|
),
|
|
', '
|
|
)
|
|
class_string = class_string .. ': ' .. inherits_from
|
|
end
|
|
output[#output + 1] = class_string
|
|
|
|
--- @class vim._gen_lsp.Property translated to @field
|
|
--- @field deprecated? string
|
|
--- @field documentation? string
|
|
--- @field name string
|
|
--- @field optional? boolean
|
|
--- @field proposed? boolean
|
|
--- @field since? string
|
|
--- @field type { kind: string, name: string }
|
|
for _, field in ipairs(structure.properties or {}) do
|
|
output[#output + 1] = '---' -- Insert a single newline between @fields (and after @class)
|
|
if field.documentation then
|
|
output[#output + 1] = _process_documentation(field.documentation)
|
|
end
|
|
output[#output + 1] = '---@field '
|
|
.. field.name
|
|
.. (field.optional and '?' or '')
|
|
.. ' '
|
|
.. parse_type(field.type, field.name)
|
|
end
|
|
output[#output + 1] = ''
|
|
end
|
|
|
|
--- @class vim._gen_lsp.Enumeration translated to @enum
|
|
--- @field deprecated string?
|
|
--- @field documentation string?
|
|
--- @field name string?
|
|
--- @field proposed boolean?
|
|
--- @field since string?
|
|
--- @field suportsCustomValues boolean?
|
|
--- @field values { name: string, value: string, documentation?: string, since?: string }[]
|
|
for _, enum in ipairs(protocol.enumerations) do
|
|
if enum.documentation then
|
|
output[#output + 1] = _process_documentation(enum.documentation)
|
|
end
|
|
local enum_type = '---@alias lsp.' .. enum.name
|
|
for _, value in ipairs(enum.values) do
|
|
enum_type = enum_type
|
|
.. '\n---| '
|
|
.. (type(value.value) == 'string' and '"' .. value.value .. '"' or value.value)
|
|
.. ' # '
|
|
.. value.name
|
|
end
|
|
output[#output + 1] = enum_type
|
|
output[#output + 1] = ''
|
|
end
|
|
|
|
--- @class vim._gen_lsp.TypeAlias translated to @alias
|
|
--- @field deprecated? string?
|
|
--- @field documentation? string
|
|
--- @field name string
|
|
--- @field proposed? boolean
|
|
--- @field since? string
|
|
--- @field type vim._gen_lsp.Type
|
|
for _, alias in ipairs(protocol.typeAliases) do
|
|
if alias.documentation then
|
|
output[#output + 1] = _process_documentation(alias.documentation)
|
|
end
|
|
if alias.type.kind == 'or' then
|
|
local alias_type = '---@alias lsp.' .. alias.name .. ' '
|
|
for _, item in ipairs(alias.type.items) do
|
|
alias_type = alias_type .. parse_type(item, alias.name) .. '|'
|
|
end
|
|
alias_type = alias_type:sub(0, -2)
|
|
output[#output + 1] = alias_type
|
|
else
|
|
output[#output + 1] = '---@alias lsp.'
|
|
.. alias.name
|
|
.. ' '
|
|
.. parse_type(alias.type, alias.name)
|
|
end
|
|
output[#output + 1] = ''
|
|
end
|
|
|
|
-- anonymous classes
|
|
for _, line in ipairs(anonym_classes) do
|
|
output[#output + 1] = line
|
|
end
|
|
|
|
tofile(opt.output_file, table.concat(output, '\n') .. '\n')
|
|
end
|
|
|
|
---@type vim._gen_lsp.opt
|
|
local opt = {
|
|
output_file = 'runtime/lua/vim/lsp/_meta/protocol.lua',
|
|
version = DEFAULT_LSP_VERSION,
|
|
methods = false,
|
|
}
|
|
|
|
local command = nil
|
|
local i = 1
|
|
while i <= #_G.arg do
|
|
if _G.arg[i] == '--out' then
|
|
opt.output_file = assert(_G.arg[i + 1], '--out <outfile> needed')
|
|
i = i + 1
|
|
elseif _G.arg[i] == '--version' then
|
|
opt.version = assert(_G.arg[i + 1], '--version <version> needed')
|
|
i = i + 1
|
|
elseif _G.arg[i] == '--methods' then
|
|
opt.methods = true
|
|
elseif vim.startswith(_G.arg[i], '-') then
|
|
error('Unrecognized args: ' .. _G.arg[i])
|
|
else
|
|
if command then
|
|
error('More than one command was given: ' .. _G.arg[i])
|
|
else
|
|
command = _G.arg[i]
|
|
end
|
|
end
|
|
i = i + 1
|
|
end
|
|
|
|
if not command then
|
|
print(USAGE)
|
|
elseif M[command] then
|
|
M[command](opt) -- see M.gen()
|
|
else
|
|
error('Unknown command: ' .. command)
|
|
end
|
|
|
|
return M
|