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Re: Is it always possible to make a non-reentrant parser reentrant?
From: |
Hans Åberg |
Subject: |
Re: Is it always possible to make a non-reentrant parser reentrant? |
Date: |
Tue, 12 Feb 2019 10:41:19 +0100 |
> On 9 Feb 2019, at 00:21, Peng Yu <address@hidden> wrote:
>
>> %x INITIAL HEREDOC
>
> I see %x is from flex. Bash can support nested heredoc. How can it be
> implemented in flex?
For nested environments one uses a stack, if there are local variables to keep
track of. Such switches will then appropriately have to be turned on and off.
Re: Is it always possible to make a non-reentrant parser reentrant?, Simon Richter, 2019/02/08