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A dollar sign at the end of a string makes rakudo hang #176

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p6rt opened this issue Jul 19, 2008 · 6 comments
Closed

A dollar sign at the end of a string makes rakudo hang #176

p6rt opened this issue Jul 19, 2008 · 6 comments

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@p6rt
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p6rt commented Jul 19, 2008

Migrated from rt.perl.org#57118 (status was 'resolved')

Searchable as RT57118$
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p6rt commented Jul 19, 2008

From @masak

$ ./perl6 -e '"$"'

hangs.

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p6rt commented Jul 26, 2008

From @masak

The infinite loop was caused in src/parser/quote_expression.pir as
follows​: the call to the rule on line 288 returns failure (since '$'
is not a valid variable); quote_literal is called instead, but
concludes on line 360 that it's reached an escape char ('$'), and
exits immediately. The control is passed back and forth like this,
never advancing pos.

Two possible patches for this issue attached.

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p6rt commented Jul 26, 2008

From @masak

dollar_bug.patch1

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p6rt commented Jul 26, 2008

From @masak

dollar_bug.patch2

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p6rt commented Jul 26, 2008

From @pmichaud

Resolved in r29765, thanks!

Pm

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p6rt commented Jul 26, 2008

@pmichaud - Status changed from 'new' to 'resolved'

@p6rt p6rt closed this as completed Jul 26, 2008
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