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local library = require 'matcher.library'
local function isGlobal(var)
if var.type ~= 'field' then
return false
end
if not var.parent then
return false
end
return var.parent.key == '_ENV' or var.parent.key == '_G'
end
local function checkSourceAsGlobal(value, name, showname)
if value.key == name and isGlobal(value) then
return showname or name
end
return nil
end
local function checkSourceAsLibrary(value, name, showname)
if value.type ~= 'lib' then
return nil
end
if value.name == name then
return showname or name
end
return nil
end
local function checkSource(value, libname, lib)
if not lib then
return
end
if not lib.source then
return checkSourceAsGlobal(value, libname)
end
for _, source in ipairs(lib.source) do
if source.type == 'global' then
local fullKey = checkSourceAsGlobal(value, source.name or libname, source.nick or libname)
if fullKey then
return fullKey
end
elseif source.type == 'library' then
local fullKey = checkSourceAsLibrary(value, source.name or libname, source.nick or libname)
if fullKey then
return fullKey
end
end
end
return nil
end
local function checkParentAsGlobal(parentValue, name, parent)
local parentName = checkSourceAsGlobal(parentValue, parent.name, parent.nick)
if not parentName then
return nil
end
return ('%s.%s'):format(parentName, name)
end
local function checkParentAsLibrary(parentValue, name, parent)
local parentName = checkSourceAsLibrary(parentValue, parent.name, parent.nick)
if not parentName then
return nil
end
return ('%s.%s'):format(parentName, name)
end
local function checkParentAsObject(parentValue, name, parent)
if parentValue.type ~= parent.name then
return nil
end
return ('*%s:%s'):format(parent.name, name)
end
local function checkParent(value, name, lib)
if name ~= value.key then
return nil
end
local parentValue = value.parent
if not parentValue then
return nil
end
parentValue = parentValue.value or parentValue
for _, parent in ipairs(lib.parent) do
if parent.type == 'global' then
local fullKey = checkParentAsGlobal(parentValue, name, parent)
if fullKey then
return fullKey, false
end
elseif parent.type == 'library' then
local fullKey = checkParentAsLibrary(parentValue, name, parent)
if fullKey then
return fullKey, false
end
elseif parent.type == 'object' then
local fullKey = checkParentAsObject(parentValue, name, parent)
if fullKey then
return fullKey, true
end
end
end
return nil
end
local function findLib(var)
local value = var.value or var
for libname, info in pairs(library.global) do
local fullKey = checkSource(value, libname, info.lib)
if fullKey then
return info.lib, fullKey, false
end
for libname, lib in pairs(info.child) do
local fullKey, oo = checkParent(value, libname, lib)
if fullKey then
return lib, fullKey, oo
end
end
end
for libname, info in pairs(library.library) do
local fullKey = checkSource(value, libname, info.lib)
if fullKey then
return info.lib, fullKey, false
end
for libname, lib in pairs(info.child) do
local fullKey, oo = checkParent(value, libname, lib)
if fullKey then
return lib, fullKey, oo
end
end
end
for libname, info in pairs(library.object) do
local fullKey = checkSource(value, libname, info.lib)
if fullKey then
return info.lib, fullKey, false
end
for libname, lib in pairs(info.child) do
local fullKey, oo = checkParent(value, libname, lib)
if fullKey then
return lib, fullKey, oo
end
end
end
return nil, nil, nil
end
return function (var)
local lib, fullKey, oo = findLib(var)
return lib, fullKey, oo
end
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