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local vm = require 'vm.vm'
local guide = require 'parser.guide'
local library = require 'library'
local function getLibrary(source, deep)
if source.type == 'library' then
return source
end
if source.library then
return source.library
end
if source.type == 'getglobal'
or source.type == 'setglobal' then
if source.node and source.node.type == 'local' then
local lib = library.global[guide.getName(source)]
if lib then
return lib
end
end
end
local unlock = vm.lock('getLibrary', source)
if not unlock then
return
end
local defs = vm.getDefs(source, deep)
unlock()
for _, def in ipairs(defs) do
if def.type == 'library' then
return def
end
end
return nil
end
function vm.getLibrary(source, deep)
if guide.isGlobal(source) then
local name = guide.getKeyName(source)
local cache = vm.getCache('getLibraryOfGlobal')[name]
or vm.getCache('getLibrary')[source]
or getLibrary(source, 'deep')
vm.getCache('getLibraryOfGlobal')[name] = cache
vm.getCache('getLibrary')[source] = cache
return cache
else
local cache = vm.getCache('getLibrary')[source]
or getLibrary(source, deep)
if deep then
vm.getCache('getLibrary')[source] = cache
end
return cache
end
end
function vm.getLibraryName(source, deep)
local lib = vm.getLibrary(source, deep)
if lib then
return lib.name
end
return nil
end
local globalLibraryNames = {
'arg', 'assert', 'collectgarbage', 'dofile', '_G', 'getfenv',
'getmetatable', 'ipairs', 'load', 'loadfile', 'loadstring',
'module', 'next', 'pairs', 'pcall', 'print', 'rawequal',
'rawget', 'rawlen', 'rawset', 'select', 'setfenv',
'setmetatable', 'tonumber', 'tostring', 'type', '_VERSION',
'warn', 'xpcall', 'require', 'unpack', 'bit32', 'coroutine',
'debug', 'io', 'math', 'os', 'package', 'string', 'table',
'utf8',
}
local globalLibraryNamesMap
function vm.isGlobalLibraryName(name)
if not globalLibraryNamesMap then
globalLibraryNamesMap = {}
for _, v in ipairs(globalLibraryNames) do
globalLibraryNamesMap[v] = true
end
end
return globalLibraryNamesMap[name] or false
end
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