nixos/lua-lsp/script/core/diagnostics/redundant-parameter.lua

74 lines
2.3 KiB
Lua

local files = require 'files'
local guide = require 'parser.guide'
local vm = require 'vm'
local lang = require 'language'
local await = require 'await'
---@async
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
---@async
guide.eachSourceType(state.ast, 'call', function (source)
await.delay()
local callArgs = vm.countList(source.args)
if callArgs == 0 then
return
end
local funcNode = vm.compileNode(source.node)
local _, funcArgs = vm.countParamsOfNode(funcNode)
if callArgs <= funcArgs then
return
end
if callArgs == 1 and source.node.type == 'getmethod' then
return
end
if funcArgs + 1 > #source.args then
local lastArg = source.args[#source.args]
if lastArg.type == 'call' and funcArgs > 0 then
-- 如果函数接收至少一个参数,那么调用方最后一个参数是函数调用
-- 导致的参数数量太多可以忽略。
-- 如果函数不接收任何参数,那么任何参数都是错误的。
return
end
callback {
start = lastArg.start,
finish = lastArg.finish,
message = lang.script('DIAG_OVER_MAX_ARGS', funcArgs, callArgs)
}
else
for i = funcArgs + 1, #source.args do
local arg = source.args[i]
callback {
start = arg.start,
finish = arg.finish,
message = lang.script('DIAG_OVER_MAX_ARGS', funcArgs, callArgs)
}
end
end
end)
---@async
guide.eachSourceType(state.ast, 'function', function (source)
await.delay()
if not source.args then
return
end
local _, funcArgs = vm.countParamsOfSource(source)
local myArgs = #source.args
for i = funcArgs + 1, myArgs do
local arg = source.args[i]
callback {
start = arg.start,
finish = arg.finish,
message = lang.script('DIAG_OVER_MAX_ARGS', funcArgs, myArgs),
}
end
end)
end