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local subprocess = require 'bee.subprocess'
local method = require 'method'
local thread = require 'bee.thread'
local async = require 'async'
local rpc = require 'rpc'
local parser = require 'parser'
local core = require 'core'
local lang = require 'language'
local updateTimer= require 'timer'
local buildVM = require 'vm'
local ErrorCodes = {
-- Defined by JSON RPC
ParseError = -32700,
InvalidRequest = -32600,
MethodNotFound = -32601,
InvalidParams = -32602,
InternalError = -32603,
serverErrorStart = -32099,
serverErrorEnd = -32000,
ServerNotInitialized = -32002,
UnknownErrorCode = -32001,
-- Defined by the protocol.
RequestCancelled = -32800,
}
local CachedVM = setmetatable({}, {__mode = 'kv'})
local mt = {}
mt.__index = mt
function mt:_callMethod(name, params)
local optional
if name:sub(1, 2) == '$/' then
name = name:sub(3)
optional = true
end
local f = method[name]
if f then
local clock = os.clock()
local suc, res = xpcall(f, debug.traceback, self, params)
local passed = os.clock() - clock
if passed > 0.2 then
log.debug(('Task [%s] takes [%.3f]sec.'):format(name, passed))
end
if suc then
return res
else
local ok, r = pcall(table.dump, params)
local dump = ok and r or 'Cyclic table'
log.debug(('Task [%s] failed, params: %s'):format(
name, dump
))
log.error(res)
return nil, {
code = ErrorCodes.InternalError,
message = r .. '\n' .. res,
}
end
end
if optional then
return nil
else
return nil, {
code = ErrorCodes.MethodNotFound,
message = 'MethodNotFound',
}
end
end
function mt:responseProto(id, response, err)
local container = table.container()
if err then
container.error = err
else
container.result = response
end
rpc:response(id, container)
end
function mt:_doProto(proto)
local id = proto.id
local name = proto.method
local params = proto.params
local response, err = self:_callMethod(name, params)
if not id then
return
end
if type(response) == 'function' then
return function (final)
self:responseProto(id, final)
end
else
self:responseProto(id, response, err)
end
end
function mt:clearDiagnostics(uri)
rpc:notify('textDocument/publishDiagnostics', {
uri = uri,
diagnostics = {},
})
log.debug('清除诊断:', uri)
end
function mt:read(mode)
if not self._input then
return nil
end
return self._input(mode)
end
function mt:needCompile(uri, compiled)
if self._needCompile[uri] then
return
end
if not compiled then
compiled = {}
end
if compiled[uri] then
return
end
self._needCompile[uri] = compiled
table.insert(self._needCompile, 1, uri)
end
function mt:isNeedCompile(uri)
return self._needCompile[uri]
end
function mt:isWaitingCompile()
if self._needCompile[1] then
return true
else
return false
end
end
function mt:saveText(uri, version, text)
local obj = self._file[uri]
if obj then
obj.version = version
obj.text = text
self:needCompile(uri)
else
self._file[uri] = {
version = version,
text = text,
uri = uri,
}
self:needCompile(uri)
end
end
function mt:open(uri, version, text)
self:saveText(uri, version, text)
local obj = self._file[uri]
if obj then
obj._openByClient = true
end
end
function mt:close(uri)
local obj = self._file[uri]
if obj then
obj._openByClient = false
end
end
function mt:isOpen(uri)
local obj = self._file[uri]
if obj and obj._openByClient then
return true
else
return false
end
end
function mt:readText(uri, path, buf, compiled)
local obj = self._file[uri]
if obj then
return
end
local text = buf or io.load(path)
if not text then
log.debug('无法找到文件:', path)
return
end
self._file[uri] = {
version = -1,
text = text,
uri = uri,
}
self:needCompile(uri, compiled)
end
function mt:removeText(uri)
if not self._file[uri] then
return
end
self:saveText(uri, -1, '')
self:compileVM(uri)
self._file[uri] = nil
end
function mt:reCompile()
local compiled = {}
local n = 0
for uri in pairs(self._file) do
self:needCompile(uri, compiled)
n = n + 1
end
log.debug('reCompile:', n)
end
function mt:loadVM(uri)
local obj = self._file[uri]
if not obj then
return nil
end
self:compileVM(uri)
if obj.vm then
self._lastLoadedVM = uri
end
return obj.vm, obj.lines, obj.text
end
function mt:_markCompiled(uri, compiled)
local newCompiled = self._needCompile[uri]
if newCompiled then
newCompiled[uri] = true
self._needCompile[uri] = nil
end
for i, u in ipairs(self._needCompile) do
if u == uri then
table.remove(self._needCompile, i)
break
end
end
if newCompiled == compiled then
return compiled
end
if not compiled then
compiled = {}
end
for k, v in pairs(newCompiled) do
compiled[k] = v
end
return compiled
end
function mt:compileAst(obj)
local ast, err = parser:ast(obj.text)
obj.astErr = err
if not ast then
if type(err) == 'string' then
local message = lang.script('PARSER_CRASH', err)
log.debug(message)
rpc:notify('window/showMessage', {
type = 3,
message = lang.script('PARSER_CRASH', err:match 'grammar%.lua%:%d+%:(.+)' or err),
})
end
end
return ast
end
function mt:_clearChainNode(obj, uri)
if obj.parent then
for pUri in pairs(obj.parent) do
local parent = self._file[pUri]
if parent and parent.child then
parent.child[uri] = nil
end
end
end
end
function mt:_compileChain(obj, compiled)
if not obj.child then
return
end
if not compiled then
compiled = {}
end
local list = {}
for child in pairs(obj.child) do
list[#list+1] = child
end
table.sort(list)
for _, child in ipairs(list) do
self:needCompile(child, compiled)
end
end
function mt:_compileGlobal(compiled)
local uris = self.global:getAllUris()
for _, uri in ipairs(uris) do
self:needCompile(uri, compiled)
end
end
function mt:_clearGlobal(uri)
self.global:clearGlobal(uri)
end
function mt:_hasSetGlobal(uri)
return self.global:hasSetGlobal(uri)
end
function mt:compileVM(uri)
local obj = self._file[uri]
if not obj then
self:_markCompiled(uri)
return nil
end
local compiled = self._needCompile[uri]
if not compiled then
return nil
end
local clock = os.clock()
local ast = self:compileAst(obj)
local version = obj.version
obj.astCost = os.clock() - clock
self:_clearChainNode(obj, uri)
self:_clearGlobal(uri)
local clock = os.clock()
local vm = buildVM(ast, self, uri)
if version ~= obj.version then
return nil
end
if self._needCompile[uri] then
self:_markCompiled(uri, compiled)
else
return nil
end
if obj.vm then
obj.vm:remove()
end
if vm then
CachedVM[vm] = true
end
obj.vm = vm
obj.vmCost = os.clock() - clock
obj.vmVersion = version
local clock = os.clock()
obj.lines = parser:lines(obj.text, 'utf8')
obj.lineCost = os.clock() - clock
self._needDiagnostics[uri] = true
if obj.vmCost > 0.2 then
log.debug(('Compile VM[%s] takes: %.3f sec'):format(uri, obj.vmCost))
end
if not obj.vm then
return nil
end
self:_compileChain(obj, compiled)
if self:_hasSetGlobal(uri) then
self:_compileGlobal(compiled)
end
return obj
end
function mt:doDiagnostics(uri)
if not self._needDiagnostics[uri] then
return
end
local name = 'textDocument/publishDiagnostics'
local obj = self._file[uri]
if not obj or not obj.vm then
self._needDiagnostics[uri] = nil
self:clearDiagnostics(uri)
return
end
local data = {
uri = uri,
vm = obj.vm,
lines = obj.lines,
version = obj.vmVersion,
}
local res = self:_callMethod(name, data)
if obj.version ~= data.version then
return
end
if self._needDiagnostics[uri] then
self._needDiagnostics[uri] = nil
else
return
end
if res then
rpc:notify(name, {
uri = uri,
diagnostics = res,
})
else
self:clearDiagnostics(uri)
end
end
function mt:getVM(uri)
local obj = self._file[uri]
if not obj then
return nil
end
return obj.vm, obj.lines, obj.text
end
function mt:getText(uri)
local obj = self._file[uri]
if not obj then
return nil
end
return obj.text
end
function mt:getAstErrors(uri)
local obj = self._file[uri]
if not obj then
return nil
end
return obj.astErr
end
function mt:compileChain(child, parent)
local parentObj = self._file[parent]
local childObj = self._file[child]
if not parentObj or not childObj then
return
end
if parentObj == childObj then
return
end
if not parentObj.child then
parentObj.child = {}
end
parentObj.child[child] = true
if not childObj.parent then
childObj.parent = {}
end
childObj.parent[parent] = true
end
function mt:checkWorkSpaceComplete()
if self._hasCheckedWorkSpaceComplete then
return
end
self._hasCheckedWorkSpaceComplete = true
if self.workspace:isComplete() then
return
end
self._needShowComplete = true
rpc:notify('window/showMessage', {
type = 3,
message = lang.script.MWS_NOT_COMPLETE,
})
end
function mt:_createCompileTask()
if not self:isWaitingCompile() and not next(self._needDiagnostics) then
if self._needShowComplete then
self._needShowComplete = nil
rpc:notify('window/showMessage', {
type = 3,
message = lang.script.MWS_COMPLETE,
})
end
return
end
self._compileTask = coroutine.create(function ()
self:doDiagnostics(self._lastLoadedVM)
local uri = self._needCompile[1]
if uri then
self:compileVM(uri)
end
uri = next(self._needDiagnostics)
if uri then
self:doDiagnostics(uri)
end
end)
end
function mt:_doCompileTask()
if not self._compileTask then
self:_createCompileTask()
end
if not self._compileTask then
return
end
while true do
local suc, res = coroutine.resume(self._compileTask)
if not suc then
self._compileTask = nil
return
end
if res == 'stop' then
self._compileTask = nil
return
end
if coroutine.status(self._compileTask) == 'suspended' then
self:_loadProto()
else
self._compileTask = nil
return
end
end
end
function mt:_loadProto()
while true do
local ok, proto = self._proto:pop()
if not ok then
break
end
if proto.method then
self:_doProto(proto)
else
rpc:recieve(proto)
end
end
end
function mt:onTick()
self:_loadProto()
self:_doCompileTask()
if os.clock() - self._clock >= 60 then
collectgarbage()
self._clock = os.clock()
local count = 0
for _ in pairs(self._file) do
count = count + 1
end
local alive = 0
local dead = 0
for vm in pairs(CachedVM) do
if vm:isRemoved() then
dead = dead + 1
else
alive = alive + 1
end
end
local mem = collectgarbage 'count'
log.debug(('\n\z
State\n\z
Mem: [%.3f]kb\n\z
CachedVM: [%d]\n\z
AlivedVM: [%d]\n\z
DeadVM: [%d]'):format(
mem,
count,
alive,
dead
))
end
end
function mt:listen()
subprocess.filemode(io.stdin, 'b')
subprocess.filemode(io.stdout, 'b')
io.stdin:setvbuf 'no'
io.stdout:setvbuf 'no'
local _, out = async.run 'proto'
self._proto = out
local clock = os.clock()
while true do
async.onTick()
self:onTick()
local delta = os.clock() - clock
clock = os.clock()
updateTimer(delta)
thread.sleep(0.001)
end
end
return function ()
local session = setmetatable({
_file = {},
_needCompile = {},
_needDiagnostics = {},
_clock = -100,
_version = 0,
}, mt)
session.global = core.global(session)
return session
end
|