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local files = require 'files'
local lang = require 'language'
local define = require 'proto.define'
local guide = require 'parser.guide'
local vm = require 'vm'
return function (uri, callback)
local ast = files.getState(uri)
if not ast then
return
end
guide.eachSourceType(ast.ast, 'local', function (source)
if not source.ref then
return
end
local sets = {}
for _, ref in ipairs(source.ref) do
if ref.type ~= 'getlocal' then
goto CONTINUE
end
local nxt = ref.next
if not nxt then
goto CONTINUE
end
if nxt.type == 'setfield'
or nxt.type == 'setmethod'
or nxt.type == 'setindex' then
local name = guide.getKeyName(nxt)
if not name then
goto CONTINUE
end
local value = vm.getObjectValue(nxt)
if not value or value.type ~= 'function' then
goto CONTINUE
end
if not sets[name] then
sets[name] = {}
end
sets[name][#sets[name]+1] = nxt
end
::CONTINUE::
end
for name, values in pairs(sets) do
if #values <= 1 then
goto CONTINUE_SETS
end
local blocks = {}
for _, value in ipairs(values) do
local block = guide.getBlock(value)
if not blocks[block] then
blocks[block] = {}
end
blocks[block][#blocks[block]+1] = value
end
for _, defs in pairs(blocks) do
if #defs <= 1 then
goto CONTINUE_BLOCKS
end
local related = {}
for i = 1, #defs do
local def = defs[i]
related[i] = {
start = def.start,
finish = def.finish,
uri = uri,
}
end
for i = 1, #defs - 1 do
local def = defs[i]
callback {
start = def.start,
finish = def.finish,
related = related,
message = lang.script('DIAG_DUPLICATE_SET_FIELD', name),
level = define.DiagnosticSeverity.Hint,
tags = { define.DiagnosticTag.Unnecessary },
}
end
for i = #defs, #defs do
local def = defs[i]
callback {
start = def.start,
finish = def.finish,
related = related,
message = lang.script('DIAG_DUPLICATE_SET_FIELD', name),
}
end
::CONTINUE_BLOCKS::
end
::CONTINUE_SETS::
end
end)
end
|
