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[mypyc] feat: extend get_expr_length to try constant_fold_expr [1/4] - #19930
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hauntsaninja merged 19 commits intoDec 10, 2025
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hauntsaninja merged 19 commits into
hauntsaninja merged 19 commits into
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get_expr_len currently support StrExpr, BytesExpr, and string-type Final values constant_fold_expr already has the code to parse values from all of these, so we can deduplicate code by using it It's able to parse a few more Expressions than our existing implementation, and allows get_expr_length to automatically benefit from future constant-folding enhancements
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hauntsaninja
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Dec 10, 2025
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Among other things, get_expr_length currently supports StrExpr, BytesExpr, and string-type Final values.
constant_fold_expr already has the code to parse values from all of these, so we can use it to deduplicate code in get_expr_length.
It's able to parse a few more Expressions than our existing implementation, not that any of these are particularly relevant at the moment, and allows get_expr_length to automatically benefit from more relevant future constant-folding enhancements.
This PR is ready for review. All of the get_expr_length PRs are entirely independent and can be reviewed/merged in any order.