big refactoring
This commit is contained in:
+6
-5
@@ -3,6 +3,7 @@ local PRIVATE, PUBLIC, MUTABLE, PROPERTY = 0, 1, 2, 4
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local MODIFIER = {private=PRIVATE, public=PUBLIC, mutable=MUTABLE, property=PROPERTY}
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local MODIFIER_MASK, PROPERTY_MASK = {private=MUTABLE+PROPERTY, public=MUTABLE+PROPERTY, mutable=PRIVATE+PUBLIC}, PRIVATE+PUBLIC
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local error, import, define_property, lock_mt, env_mt, interface_mt, declarator_mt
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lock_mt = {}
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local _state, _modules = {}, {}
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function error(message, level, ...) _g.error(format(message, unpack(arg))..'\n'..debugstack(3, 5, 0), (level or 1) + 1) end
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function import(imports, t) for k, v in t do imports[type(k) == 'number' and v or k] = v end end
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@@ -37,12 +38,12 @@ end
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do
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local function index(access, default)
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return function(self, key)
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local state = _state[self]; local modifiers = state.metadata[key] or error('No field "%s".', 2, key)
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if mask(access+PROPERTY, modifiers) == access then
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local state = _state[self]; local modifiers = state.metadata[key]
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if modifiers and mask(access+PROPERTY, modifiers) == access then
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return state.data[key]
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else
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local getter = state.getters[key]
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if getter then return getter() else return default[key] end
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if getter then return getter() else return default[key] or error('No field "%s".', 2, key) end
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end
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end
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end
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@@ -69,12 +70,12 @@ do
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end
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end
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function _g.aux_module(name)
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if not _state[name] then
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if not _modules[name] then
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local state, declarator, env, interface, imports
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env, interface, declarator, imports = setmetatable({}, env_mt), setmetatable({}, interface_mt), setmetatable({}, declarator_mt), {}
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state = {
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name = name, env = env, interface = interface, declarator = declarator, imports = {}, declarator_state = PRIVATE,
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metadata={_g=PRIVATE, _m=PRIVATE, _i=PRIVATE, import=PRIVATE, private=PROPERTY, public=PROPERTY, getter=PROPERTY, setter=PROPERTY, mutable=PROPERTY},
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metadata = {_g=PRIVATE, _m=PRIVATE, _i=PRIVATE, import=PRIVATE, private=PROPERTY, public=PROPERTY, getter=PROPERTY, setter=PROPERTY, mutable=PROPERTY},
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data = {_g=_g, _m=env, _i=interface, import=function(t) import(imports, t) end},
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getters = {private=function() state.modifiers = PRIVATE return declarator end, public=function() state.modifiers = PUBLIC return declarator end, mutable=function() state.modifiers = MUTABLE return declarator end},
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setters = {},
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