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WISH: beginning of line regexp for ocamllex #8353

vicuna opened this Issue Oct 31, 2003 · 0 comments


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vicuna commented Oct 31, 2003

Original bug ID: 1910
Reporter: administrator
Status: acknowledged
Resolution: open
Priority: normal
Severity: feature
Category: tools (ocaml{lex,yacc,dep,debug,...})

Bug description

It appears that Ocamllex does not support the "^r" pattern (found in Flex
at least) that matches the beginning of line. This is very useful for
example in a case where you want to parse the C preprocessor # line

Emulating this by hand with more complex lexers is kinda awkward.

Best regards,
Janne Hellsten

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