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local lang = require 'language'
local config = require 'config'
local function buildLibArgs(lib, object, select)
if not lib.args then
return ''
end
local start
if object then
start = 2
else
start = 1
end
local strs = {}
for i = start, #lib.args do
local arg = lib.args[i]
if arg.optional then
if i > start then
strs[#strs+1] = ' ['
else
strs[#strs+1] = '['
end
end
if i > start then
strs[#strs+1] = ', '
end
local argStr = {}
if i == select then
argStr[#argStr+1] = '@ARG'
end
if arg.name then
argStr[#argStr+1] = ('%s: '):format(arg.name)
end
if type(arg.type) == 'table' then
argStr[#argStr+1] = table.concat(arg.type, '/')
else
argStr[#argStr+1] = arg.type or 'any'
end
if arg.default then
argStr[#argStr+1] = ('(%q)'):format(arg.default)
end
if i == select then
argStr[#argStr+1] = '@ARG'
end
for _, str in ipairs(argStr) do
strs[#strs+1] = str
end
if arg.optional == 'self' then
strs[#strs+1] = ']'
end
end
for _, arg in ipairs(lib.args) do
if arg.optional == 'after' then
strs[#strs+1] = ']'
end
end
local text = table.concat(strs)
local argLabel = {}
for i = 1, 2 do
local pos = text:find('@ARG', 1, true)
if pos then
if i == 1 then
argLabel[i] = pos
else
argLabel[i] = pos - 1
end
text = text:sub(1, pos-1) .. text:sub(pos+4)
end
end
if #argLabel == 0 then
argLabel = nil
end
return text, argLabel
end
local function buildLibReturns(lib)
if not lib.returns then
return ''
end
local strs = {}
for i, rtn in ipairs(lib.returns) do
if rtn.optional then
if i > 1 then
strs[#strs+1] = ' ['
else
strs[#strs+1] = '['
end
end
if i > 1 then
strs[#strs+1] = ', '
end
if rtn.name then
strs[#strs+1] = ('%s: '):format(rtn.name)
end
if type(rtn.type) == 'table' then
strs[#strs+1] = table.concat(rtn.type, '/')
else
strs[#strs+1] = rtn.type or 'any'
end
if rtn.default then
strs[#strs+1] = ('(%q)'):format(rtn.default)
end
if rtn.optional == 'self' then
strs[#strs+1] = ']'
end
end
for _, rtn in ipairs(lib.returns) do
if rtn.optional == 'after' then
strs[#strs+1] = ']'
end
end
return '\n -> ' .. table.concat(strs)
end
local function buildEnum(lib)
if not lib.enums then
return ''
end
local container = table.container()
for _, enum in ipairs(lib.enums) do
if not enum.name or (not enum.enum and not enum.code) then
goto NEXT_ENUM
end
if not container[enum.name] then
container[enum.name] = {}
if lib.args then
for _, arg in ipairs(lib.args) do
if arg.name == enum.name then
container[enum.name].type = arg.type
break
end
end
end
if lib.returns then
for _, rtn in ipairs(lib.returns) do
if rtn.name == enum.name then
container[enum.name].type = rtn.type
break
end
end
end
end
table.insert(container[enum.name], enum)
::NEXT_ENUM::
end
local strs = {}
for name, enums in pairs(container) do
local tp
if type(enums.type) == 'table' then
tp = table.concat(enums.type, '/')
else
tp = enums.type
end
strs[#strs+1] = ('\n%s: %s'):format(name, tp or 'any')
for _, enum in ipairs(enums) do
if enum.default then
strs[#strs+1] = '\n -> '
else
strs[#strs+1] = '\n | '
end
if enum.code then
strs[#strs+1] = tostring(enum.code)
else
strs[#strs+1] = tostring(enum.enum)
end
if enum.description then
strs[#strs+1] = ' -- ' .. enum.description
end
end
end
return table.concat(strs)
end
local function buildDoc(lib)
local doc = lib.doc
if not doc then
return
end
local version = config.config.runtime.version
if version == 'Lua 5.1' then
return lang.script('HOVER_DOCUMENT_LUA51', doc)
elseif version == 'Lua 5.2' then
return lang.script('HOVER_DOCUMENT_LUA52', doc)
elseif version == 'Lua 5.3' then
return lang.script('HOVER_DOCUMENT_LUA53', doc)
elseif version == 'Lua 5.4' then
return lang.script('HOVER_DOCUMENT_LUA54', doc)
elseif version == 'LuaJIT' then
return lang.script('HOVER_DOCUMENT_LUAJIT', doc)
end
end
return function (name, lib, object, select)
local args, argLabel = buildLibArgs(lib, object, select)
local returns = buildLibReturns(lib)
local enum = buildEnum(lib)
local tip = lib.description
local doc = buildDoc(lib)
local headLen = #('function %s('):format(name)
local title = ('function %s(%s)%s'):format(name, args, returns)
if argLabel then
argLabel[1] = argLabel[1] + headLen
argLabel[2] = argLabel[2] + headLen
end
return {
label = title,
description = tip,
enum = enum,
argLabel = argLabel,
doc = doc,
}
end
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