nixos/lua-lsp/script/provider/build-meta.lua

156 lines
4.4 KiB
Lua
Raw Normal View History

local fs = require 'bee.filesystem'
local config = require 'config'
local util = require 'utility'
local await = require 'await'
local progress = require 'progress'
local lang = require 'language'
local m = {}
---@class meta
---@field root string
---@field classes meta.class[]
---@class meta.class
---@field name string
---@field comment string
---@field location string
---@field namespace string
---@field baseClass string
---@field attribute string
---@field integerface string[]
---@field fields meta.field[]
---@field methods meta.method[]
---@class meta.field
---@field name string
---@field typeName string
---@field comment string
---@field location string
---@class meta.method
---@field name string
---@field comment string
---@field location string
---@field isStatic boolean
---@field returnTypeName string
---@field params {name: string, typeName: string}[]
---@param ... string
---@return string
local function mergeString(...)
local buf = {}
for i = 1, select('#', ...) do
local str = select(i, ...)
if str ~= '' then
buf[#buf+1] = str
end
end
return table.concat(buf, '.')
end
local function addComments(lines, comment)
if comment == '' then
return
end
lines[#lines+1] = '--'
lines[#lines+1] = '--' .. comment:gsub('[\r\n]+$', ''):gsub('\n', '\n--')
lines[#lines+1] = '--'
end
---@param lines string[]
---@param name string
---@param method meta.method
local function addMethod(lines, name, method)
if not method.name:match '^[%a_][%w_]*$' then
return
end
addComments(lines, method.comment)
lines[#lines+1] = ('---@source %s'):format(method.location:gsub('#', ':'))
local params = {}
for _, param in ipairs(method.params) do
lines[#lines+1] = ('---@param %s %s'):format(param.name, param.typeName)
params[#params+1] = param.name
end
if method.returnTypeName ~= ''
and method.returnTypeName ~= 'Void' then
lines[#lines+1] = ('---@return %s'):format(method.returnTypeName)
end
lines[#lines+1] = ('function %s%s%s(%s) end'):format(
name,
method.isStatic and ':' or '.',
method.name,
table.concat(params, ', ')
)
lines[#lines+1] = ''
end
---@param root string
---@param class meta.class
---@return string
local function buildText(root, class)
local lines = {}
addComments(lines, class.comment)
lines[#lines+1] = ('---@source %s'):format(class.location:gsub('#', ':'))
if class.baseClass == '' then
lines[#lines+1] = ('---@class %s'):format(mergeString(class.namespace, class.name))
else
lines[#lines+1] = ('---@class %s: %s'):format(mergeString(class.namespace, class.name), class.baseClass)
end
for _, field in ipairs(class.fields) do
addComments(lines, field.comment)
lines[#lines+1] = ('---@source %s'):format(field.location:gsub('#', ':'))
lines[#lines+1] = ('---@field %s %s'):format(field.name, field.typeName)
end
lines[#lines+1] = ('---@source %s'):format(class.location:gsub('#', ':'))
local name = mergeString(root, class.namespace, class.name)
lines[#lines+1] = ('%s = {}'):format(name)
lines[#lines+1] = ''
for _, method in ipairs(class.methods) do
addMethod(lines, name, method)
end
return table.concat(lines, '\n')
end
local function buildRootText(api)
local lines = {}
lines[#lines+1] = ('---@class %s'):format(api.root)
lines[#lines+1] = ('%s = {}'):format(api.root)
lines[#lines+1] = ''
return table.concat(lines, '\n')
end
---@async
---@param path string
---@param api meta
function m.build(path, api)
local files = util.multiTable(2, function ()
return { '---@meta' }
end)
files[api.root][#files[api.root]+1] = buildRootText(api)
local proc <close> = progress.create(nil, lang.script.WINDOW_PROCESSING_BUILD_META, 0.5)
for i, class in ipairs(api.classes) do
local space = class.namespace ~= '' and class.namespace or api.root
proc:setMessage(space)
proc:setPercentage(i / #api.classes * 100)
local text = buildText(api.root, class)
files[space][#files[space]+1] = text
await.delay()
end
for space, texts in pairs(files) do
util.saveFile(path .. '/' .. space .. '.lua', table.concat(texts, '\n\n'))
end
end
return m