8000 wave: Require escaping some "problematic" unicode characters · Issue #1629 · bytecodealliance/wasm-tools · GitHub
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wave: Require escaping some "problematic" unicode characters #1629

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lann opened this issue Jun 21, 2024 · 0 comments
Open

wave: Require escaping some "problematic" unicode characters < 6E68 span class="gh-header-number color-fg-muted pl-1">#1629

lann opened this issue Jun 21, 2024 · 0 comments

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@lann
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lann commented Jun 21, 2024

Currently char and string escapes are only required for: \n, \\ and either \' (chars) or \" (strings).

In order to avoid human parsing problems, consider a few other mandatory escapes:

  • bidi chars (source of CVEs)
  • unicode deprecations

See: https://github.com/bytecodealliance/wac/blob/b294ae04cd85f12a619db08165b3117b8f977b0d/crates/wac-parser/src/lexer.rs#L46-L82

(migrated from lann/wasm-wave#31)
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