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local files = require 'files'
local guide = require 'core.guide'
local lang = require 'language'
local define = require 'proto.define'
local vm = require 'vm'
return function (uri, callback)
local ast = files.getAst(uri)
if not ast then
return
end
guide.eachSourceType(ast.ast, 'table', function (source)
local mark = {}
for _, obj in ipairs(source) do
if obj.type == 'tablefield'
or obj.type == 'tableindex' then
local name = vm.getKeyName(obj)
if name then
if not mark[name] then
mark[name] = {}
end
mark[name][#mark[name]+1] = obj.field or obj.index
end
end
end
for name, defs in pairs(mark) do
if #defs > 1 and name then
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_INDEX', 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_INDEX', name),
}
end
end
end
end)
end
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