nixos/lua-lsp/script/core/hover/args.lua

74 lines
2.2 KiB
Lua

local guide = require 'parser.guide'
local vm = require 'vm'
local function asFunction(source)
local args = {}
local methodDef
local parent = source.parent
if parent and parent.type == 'setmethod' then
methodDef = true
end
if methodDef then
args[#args+1] = ('self: %s'):format(vm.getInfer(parent.node):view(guide.getUri(source), 'any'))
end
if source.args then
for i = 1, #source.args do
local arg = source.args[i]
if arg.type == 'self' then
goto CONTINUE
end
local name = arg.name or guide.getKeyName(arg)
if name then
local argNode = vm.compileNode(arg)
local optional
if argNode:isOptional() then
optional = true
argNode = argNode:copy()
argNode:removeOptional()
end
args[#args+1] = ('%s%s: %s'):format(
name,
optional and '?' or '',
vm.getInfer(argNode):view(guide.getUri(source), 'any')
)
elseif arg.type == '...' then
args[#args+1] = ('%s%s'):format(
'...',
vm.getInfer(arg):view(guide.getUri(source), 'any')
)
else
args[#args+1] = ('%s'):format(vm.getInfer(arg):view(guide.getUri(source), 'any'))
end
::CONTINUE::
end
end
return args
end
local function asDocFunction(source)
local args = {}
if not source.args then
return args
end
for i = 1, #source.args do
local arg = source.args[i]
local name = arg.name[1]
args[i] = ('%s%s: %s'):format(
name,
arg.optional and '?' or '',
arg.extends and vm.getInfer(arg.extends):view(guide.getUri(source), 'any') or 'any'
)
end
return args
end
return function (source)
if source.type == 'function' then
return asFunction(source)
end
if source.type == 'doc.type.function' then
return asDocFunction(source)
end
return {}
end