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Translation system first draft

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This commit is contained in:
Étienne Fildadut 2023-12-23 21:09:12 +01:00
parent ffadc0dd69
commit c4636343b4
15 changed files with 215 additions and 18 deletions
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16
ast/AttachBlock.lua
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@ -3,7 +3,8 @@ local Identifier, Quote
local attached_block_identifier, attached_block_symbol
local AttachBlock = ast.abstract.Node {
local AttachBlock
AttachBlock = ast.abstract.Node {
type = "attach block",
expression = nil,
@ -38,7 +39,18 @@ local AttachBlock = ast.abstract.Node {
state.scope:define(attached_block_symbol, Quote:new(self.block))
self.expression:prepare(state)
state.scope:pop()
end
end,
-- class method: if the block identifier is defined in the current scope, wrap node in an AttachBlock so the block is still defined in this node
-- used to preserve the defined _ block without the need to build a full closure
-- used e.g. for -> translation, as we want to preserve _ while still executing the translation in the Translatable scope and not restore a different scope from a closure
-- (operates on un-evaluated nodes!)
preserve = function(self, state, node)
if state.scope:defined_in_current(attached_block_symbol) then
return AttachBlock:new(node, state.scope:get(attached_block_identifier).expression) -- unwrap Quote as that will be rewrap on eval
end
return node
end,
}
package.loaded[...] = AttachBlock