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Add Struct:get_strict

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This commit is contained in:
Étienne Fildadut 2024-01-09 17:23:26 +01:00
parent 5d000e2fec
commit 95d69dfa2c
3 changed files with 16 additions and 10 deletions
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12
anselme/ast/Environment.lua
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@ -157,16 +157,14 @@ local Environment = ast.abstract.Runtime {
-- returns nil if undefined -- returns nil if undefined
_lookup = function(self, state, identifier) _lookup = function(self, state, identifier)
local _cache = self._lookup_cache local _cache = self._lookup_cache
local var local var = _cache:get_strict(state, identifier)
if not _cache:has(state, identifier) then if not var then
if self.variables:has(state, identifier) then if self.variables:has(state, identifier) then
var = self.variables:get(state, identifier) var = self.variables:get(state, identifier)
elseif self.parent then elseif self.parent then
var = self.parent:_lookup(state, identifier) var = self.parent:_lookup(state, identifier)
end end
if var then _cache:set(state, identifier, var) end if var then _cache:set(state, identifier, var) end
else
var = _cache:get(state, identifier)
end end
if var and not var:undefined(state) then if var and not var:undefined(state) then
return var return var
@ -177,8 +175,8 @@ local Environment = ast.abstract.Runtime {
_lookup_in_current = function(self, state, symbol) _lookup_in_current = function(self, state, symbol)
local identifier = symbol:to_identifier() local identifier = symbol:to_identifier()
local _cache = self._lookup_cache_current local _cache = self._lookup_cache_current
local var local var = _cache:get_strict(state, identifier)
if not _cache:has(state, identifier) then if not var then
local name = symbol.string local name = symbol.string
if self.variables:has(state, identifier) then if self.variables:has(state, identifier) then
var = self.variables:get(state, identifier) var = self.variables:get(state, identifier)
@ -188,8 +186,6 @@ local Environment = ast.abstract.Runtime {
end end
end end
if var then _cache:set(state, identifier, var) end if var then _cache:set(state, identifier, var) end
else
var = _cache:get(state, identifier)
end end
if var and not var:undefined(state) then if var and not var:undefined(state) then
return var return var

10
anselme/ast/Struct.lua
View file

@ -109,11 +109,17 @@ Struct = ast.abstract.Runtime {
end, end,
get = function(self, key) get = function(self, key)
local v = self:get_strict(key)
if v ~= nil then
return v
else
return Nil:new()
end
end,
get_strict = function(self, key)
local hash = key:hash() local hash = key:hash()
if self.table[hash] then if self.table[hash] then
return self.table[hash][2] return self.table[hash][2]
else
return Nil:new()
end end
end, end,
has = function(self, key) has = function(self, key)

4
anselme/ast/Table.lua
View file

@ -41,6 +41,10 @@ Table = ast.abstract.Runtime {
return self.branched:get(state) return self.branched:get(state)
end, end,
get_strict = function(self, state, key)
local s = self.branched:get(state)
return s:get_strict(key)
end,
get = function(self, state, key) get = function(self, state, key)
local s = self.branched:get(state) local s = self.branched:get(state)
return s:get(key) return s:get(key)