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local sleep = require 'ffi.sleep'
local subprocess = require 'bee.subprocess'
local lsp = require 'lsp'
local Method = require 'method'
local fs = require 'bee.filesystem'
local function listen(self, input, output)
if input then
log.info('指定输入文件，路径为：', input)
fs.create_directories(input:parent_path())
io.input(io.open(input:string(), 'rb'))
else
subprocess.filemode(io.stdin, 'b')
end
if output then
log.info('指定输出文件，路径为：', output)
fs.create_directories(output:parent_path())
io.output(io.open(output:string(), 'wb'))
else
subprocess.filemode(io.stdout, 'b')
end
local session = lsp()
local cache = ''
session:setInput(function (mode)
local num = subprocess.peek(io.input())
if num > 0 then
cache = cache .. io.read(num)
end
if type(mode) == 'number' then
if #cache < mode then
return nil
end
local res = cache:sub(1, mode)
cache = cache:sub(mode + 1)
return res
elseif mode == 'l' then
local pos = cache:find '[\r\n]'
if not pos then
return nil
end
local res = cache:sub(1, pos - 1)
if cache:sub(pos, pos + 1) == '\r\n' then
cache = cache:sub(pos + 2)
else
cache = cache:sub(pos + 1)
end
return res
end
return nil
end)
session:setOutput(function (buf)
io.write(buf)
io.flush()
end)
session:setMethod(function (method, params)
local optional
if method:sub(1, 2) == '$/' then
method = method:sub(3)
optional = true
end
local f = Method[method]
if f then
local suc, res, res2 = pcall(f, session, params)
if suc then
return res, res2
else
return nil, '发生运行时错误：' .. res
end
end
if optional then
return false
else
return nil, '没有注册方法：' .. method
end
end)
while true do
session:runStep()
sleep(1)
end
end
local mt = {
listen = listen,
}
mt.__index = mt
return function ()
local session = setmetatable({}, mt)
return session
end
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