Apply recursion limit without std - #2465
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LucaCappelletti94
marked this pull request as ready for review
August 30, 2026 08:51
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@alamb since this version would be the first one fully support no-std, I would suggest we merge this one last no-std-related fix before the release |
alamb
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Aug 31, 2026
| uses: ./.github/actions/setup-builder | ||
| with: | ||
| targets: 'thumbv6m-none-eabi' | ||
| - run: cargo test --release --no-default-features --test no_std_recursion |
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| use super::ParserError; | ||
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| /// Tracks remaining recursion depth. This value is decremented on |
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Parser::with_recursion_limitdocumented a hard parser depth limit, but builds withoutstdused a stubRecursionCounterthat always succeeded. Deeply nested input could overflow the stack instead of returningParserError::RecursionLimitExceeded.This makes the counter use
alloc::rc::Rcandcore::cell::Cell, which are available withoutstd, and adds a--no default-featuresruntime test to the no-std CI path.