gh-153568: Reduce parser allocations - #157374

Merged

pablogsal merged 10 commits into

python:mainfrom

pablogsal:gh-153568-parser-allocations

Sep 16, 2026

Commits on Sep 14, 2026

gh-153568: Allocate parser tokens in blocks
pablogsal
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e8f8854
gh-153568: Avoid copying fixed parser token text
pablogsal
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a66ca87
gh-153568: Allocate the parser identifier cache on first use
pablogsal
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d5cc533
gh-153568: Reuse the tokenizer newline buffer
pablogsal
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472faa2
gh-153568: Clear memo filters before the parser error pass
pablogsal
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7c9f1cd
gh-153568: Reuse parsed name nodes during backtracking
pablogsal
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c669a32
gh-153568: Reuse parsed numbers during backtracking
pablogsal
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e2e3e7d
gh-153568: Explain parser allocation and buffer invariants
pablogsal
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5252627
gh-153568: Simplify parser identifier and buffer handling
pablogsal
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ac85f97
gh-153568: Keep NOTEQUAL spelling in token text
pablogsal
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dd5b683