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Colby MchenryandClaude Opus 5.5
f416357b93
* fix(cobol): a file ending inside the sequence area no longer hangs the parser The vendored COBOL grammar's external scanner skips the fixed-format sequence area (columns 1-6) with `while (get_column() <= 5) advance()`. At end of input advance() is a no-op, so a file whose last line stops in that area (` .`, `X\n .`, a sentence closed by a short ` .` line) never reached column 7 and the scanner spun forever inside wasm. Indexing hit the parse worker's hard timeout three times (~93 s) and stored the file with zero symbols; the viewer's highlighter froze on the same text. The loop now also stops at eof(). It is upstream code (present at e99dbdc3), so the change is a standalone upstreamable fix; inputs that parsed before are unaffected (412 NIST + ocesql test sources give byte-identical trees with the old and new wasm, and the upstream corpus keeps its single pre-existing failure). Regenerates docs/grammars/tree-sitter-cobol.patch, rebuilds the wasm per docs/grammars/tree-sitter-cobol.md, and adds an out-of-process regression test under a hard deadline (a regression is an uninterruptible wasm loop). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * test(viewer): force the highlight deadline instead of relying on a grammar bug The bounded-highlight test used the COBOL ` .` slice as its slice that never finishes; the grammar fix makes it parse, so the deadline is now forced through tokenizeBounded's deadline parameter. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>