Replace TreeAssociator with a function #125
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Using the visitor pattern allows TreeAssociator to be replaced by an associate() function inside of ParserState. Signed-off-by: John Pennycook <[email protected]>
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laserkelvin
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Nov 25, 2024
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Using the visitor pattern allows
TreeAssociatorto be replaced by anassociate()function inside ofParserState.Related issues
Part of #101.
Proposed changes
TreeAssociatorclass.associate()function to visit each node in the tree and updateParserStatedirectly.One interesting thing here is that the old
TreeAssociatorclass used some pretty complicated recursive logic to decide whether to expand specific branches when processing a given set of#if/#else/#endifnodes. I think the new code is clearer, but because the visitor isn't being called recursively, the association logic requires an explicit stack to track the state of each branch.