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local files = require 'files'
local guide = require 'parser.guide'
local vm = require 'vm'
local lang = require 'language'
local function countCallArgs(source)
local result = 0
if not source.args then
return 0
end
result = result + #source.args
return result
end
---@return integer
local function countFuncArgs(source)
if not source.args or #source.args == 0 then
return 0
end
local count = 0
for i = #source.args, 1, -1 do
local arg = source.args[i]
if arg.type ~= '...'
and not (arg.name and arg.name[1] =='...')
and not vm.compileNode(arg):isNullable() then
return i
end
end
return count
end
local function getFuncArgs(func)
local funcArgs
local defs = vm.getDefs(func)
for _, def in ipairs(defs) do
if def.type == 'function'
or def.type == 'doc.type.function' then
local args = countFuncArgs(def)
if not funcArgs or args < funcArgs then
funcArgs = args
end
end
end
return funcArgs
end
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
guide.eachSourceType(state.ast, 'call', function (source)
local callArgs = countCallArgs(source)
local func = source.node
local funcArgs = getFuncArgs(func)
if not funcArgs then
return
end
local delta = callArgs - funcArgs
if delta >= 0 then
return
end
callback {
start = source.start,
finish = source.finish,
message = lang.script('DIAG_MISS_ARGS', funcArgs, callArgs),
}
end)
end
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