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local guide = require 'parser.guide'
local workspace = require 'workspace'
local files = require 'files'
local vm = require 'vm'
local function findDef(source, callback)
if source.type ~= 'local'
and source.type ~= 'getlocal'
and source.type ~= 'setlocal'
and source.type ~= 'setglobal'
and source.type ~= 'getglobal'
and source.type ~= 'field'
and source.type ~= 'method'
and source.type ~= 'string'
and source.type ~= 'number'
and source.type ~= 'boolean'
and source.type ~= 'goto' then
return
end
vm.eachDef(source, function (info)
if info.source.library then
return
end
if info.mode == 'declare'
or info.mode == 'set' then
local src = info.source
local root = guide.getRoot(src)
local uri = root.uri
if src.type == 'setfield'
or src.type == 'getfield'
or src.type == 'tablefield' then
callback(src.field, uri)
elseif src.type == 'setindex'
or src.type == 'getindex'
or src.type == 'tableindex' then
callback(src.index, uri)
elseif src.type == 'getmethod'
or src.type == 'setmethod' then
callback(src.method, uri)
else
callback(src, uri)
end
end
if info.mode == 'value' then
local src = info.source
local root = guide.getRoot(src)
local uri = root.uri
if src.parent.type == 'return' then
callback(src, uri)
end
end
end)
end
local function checkRequire(source, offset, callback)
if source.type ~= 'call' then
return
end
local func = source.node
local pathSource = source.args and source.args[1]
if not pathSource then
return
end
if not guide.isContain(pathSource, offset) then
return
end
local literal = guide.getLiteral(pathSource)
if type(literal) ~= 'string' then
return
end
local lib = vm.getLibrary(func)
if not lib then
return
end
if lib.name == 'require' then
local result = workspace.findUrisByRequirePath(literal, true)
for _, uri in ipairs(result) do
callback(uri)
end
elseif lib.name == 'dofile'
or lib.name == 'loadfile' then
local result = workspace.findUrisByFilePath(literal, true)
for _, uri in ipairs(result) do
callback(uri)
end
end
end
return function (uri, offset)
local ast = files.getAst(uri)
if not ast then
return nil
end
local results = {}
guide.eachSourceContain(ast.ast, offset, function (source)
checkRequire(source, offset, function (uri)
results[#results+1] = {
uri = files.getOriginUri(uri),
source = source,
target = {
start = 0,
finish = 0,
}
}
end)
findDef(source, function (target, uri)
results[#results+1] = {
target = target,
uri = files.getOriginUri(uri),
source = source,
}
end)
end)
if #results == 0 then
return nil
end
return results
end
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