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local files = require 'files'
local vm = require 'vm'
local getLabel = require 'core.hover.label'
local getDesc = require 'core.hover.description'
local util = require 'utility'
local findSource = require 'core.find-source'
local markdown = require 'provider.markdown'
local guide = require 'parser.guide'
---@async
local function getHover(source)
local md = markdown()
local defMark = {}
local labelMark = {}
local descMark = {}
---@async
local function addHover(def, checkLable, oop)
if defMark[def] then
return
end
defMark[def] = true
if checkLable then
local label = getLabel(def, oop)
if not labelMark[tostring(label)] then
labelMark[tostring(label)] = true
md:add('lua', label)
md:splitLine()
end
end
local desc = getDesc(def)
if not descMark[tostring(desc)] then
descMark[tostring(desc)] = true
md:add('md', desc)
md:splitLine()
end
end
local oop
if vm.getInfer(source):view(guide.getUri(source)) == 'function' then
local defs = vm.getDefs(source)
-- make sure `function` is before `doc.type.function`
local orders = {}
for i, def in ipairs(defs) do
if def.type == 'function' then
orders[def] = i - 20000
elseif def.type == 'doc.type.function' then
orders[def] = i - 10000
else
orders[def] = i
end
end
table.sort(defs, function (a, b)
return orders[a] < orders[b]
end)
local hasFunc
for _, def in ipairs(defs) do
if guide.isOOP(def) then
oop = true
end
if def.type == 'function'
or def.type == 'doc.type.function' then
hasFunc = true
addHover(def, true, oop)
end
end
if not hasFunc then
addHover(source, true, oop)
end
else
addHover(source, true, oop)
for _, def in ipairs(vm.getDefs(source)) do
if def.type == 'global' then
goto CONTINUE
end
if guide.isOOP(def) then
oop = true
end
local isFunction
if def.type == 'function'
or def.type == 'doc.type.function' then
isFunction = true
end
addHover(def, isFunction, oop)
::CONTINUE::
end
end
return md
end
local accept = {
['local'] = true,
['setlocal'] = true,
['getlocal'] = true,
['setglobal'] = true,
['getglobal'] = true,
['field'] = true,
['method'] = true,
['string'] = true,
['number'] = true,
['integer'] = true,
['doc.type.name'] = true,
['function'] = true,
['doc.module'] = true,
}
---@async
local function getHoverByUri(uri, position)
local ast = files.getState(uri)
if not ast then
return nil
end
local source = findSource(ast, position, accept)
if not source then
return nil
end
local hover = getHover(source)
if SHOWSOURCE then
hover:splitLine()
hover:add('lua', util.dump(source, {
deep = 1,
}))
end
return hover, source
end
return {
get = getHover,
byUri = getHoverByUri,
}
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