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local TokenTypes = require 'constant.TokenTypes'
local TokenModifiers = require 'constant.TokenModifiers'
local findLib = require 'core.find_lib'
local timerCache = {}
local constLib = {
['_G'] = true,
['_VERSION'] = true,
['math.pi'] = true,
['math.huge'] = true,
['math.maxinteger'] = true,
['math.mininteger'] = true,
['utf8.charpattern'] = true,
['io.stdin'] = true,
['io.stdout'] = true,
['io.stderr'] = true,
['package.config'] = true,
['package.cpath'] = true,
['package.loaded'] = true,
['package.loaders'] = true,
['package.path'] = true,
['package.preload'] = true,
['package.searchers'] = true
}
local Care = {
['name'] = function (source, sources)
if source.start == source.finish then
return
end
if source:get 'global' then
if findLib(source) then
if source[1] == '_G' then
return
end
sources[#sources+1] = {
start = source.start,
finish = source.finish,
type = TokenTypes.namespace,
modifieres = TokenModifiers.static,
}
return
end
sources[#sources+1] = {
start = source.start,
finish = source.finish,
type = TokenTypes.namespace,
modifieres = TokenModifiers.deprecated,
}
elseif source:get 'table index' then
sources[#sources+1] = {
start = source.start,
finish = source.finish,
type = TokenTypes.property,
modifieres = TokenModifiers.declaration,
}
elseif source:bindLocal() then
if source:get 'arg' then
sources[#sources+1] = {
start = source.start,
finish = source.finish,
type = TokenTypes.parameter,
modifieres = TokenModifiers.declaration,
}
end
if source[1] == '_ENV'
or source[1] == 'self' then
return
end
sources[#sources+1] = {
start = source.start,
finish = source.finish,
type = TokenTypes.variable,
}
end
end,
}
local function buildTokens(sources, lines)
local tokens = {}
local lastLine = 0
local lastStartChar = 0
for i, source in ipairs(sources) do
local row, col = lines:rowcol(source.start)
local line = row - 1
local startChar = col - 1
local deltaLine = line - lastLine
local deltaStartChar
if deltaLine == 0 then
deltaStartChar = startChar - lastStartChar
else
deltaStartChar = startChar
end
lastLine = line
lastStartChar = startChar
local len = i * 5 - 5
tokens[len + 1] = deltaLine
tokens[len + 2] = deltaStartChar
tokens[len + 3] = source.finish - source.start + 1 -- length
tokens[len + 4] = source.type
tokens[len + 5] = source.modifieres or 0
end
return tokens
end
local function resolveTokens(vm, lines)
local sources = {}
for _, source in ipairs(vm.sources) do
if Care[source.type] then
Care[source.type](source, sources)
end
end
-- 先进行排序
table.sort(sources, function (a, b)
return a.start < b.start
end)
log.debug(table.dump(sources))
local tokens = buildTokens(sources, lines)
return tokens
end
local function toArray(map)
local array = {}
for k in pairs(map) do
array[#array+1] = k
end
table.sort(array, function (a, b)
return map[a] < map[b]
end)
return array
end
local function testTokens(vm, lines)
local text = vm.text
local sources = {}
local init = 1
while true do
local start, finish = text:find('[%w_%.]+', init)
if not start then
break
end
init = finish + 1
local token = text:sub(start, finish)
local type = token:match '[%w_]+'
local mod = token:match '%.([%w_]+)'
sources[#sources+1] = {
start = start,
finish = finish,
type = TokenTypes[type],
modifieres = TokenModifiers[mod] or 0,
}
end
local tokens = buildTokens(sources, lines)
log.debug(table.dump(sources))
log.debug(table.dump(tokens))
return tokens
end
return function (lsp, params)
local uri = params.textDocument.uri
if timerCache[uri] then
timerCache[uri]:remove()
timerCache[uri] = nil
end
return function (response)
local clock = os.clock()
timerCache[uri] = ac.loop(0.1, function (t)
local vm, lines = lsp:getVM(uri)
if not vm then
if os.clock() - clock > 10 then
t:remove()
timerCache[uri] = nil
response(nil)
end
return
end
t:remove()
timerCache[uri] = nil
local tokens = resolveTokens(vm, lines)
--local tokens = testTokens(vm, lines)
response {
data = tokens,
}
end)
end
end
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