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Re: Not able to use %union?
From: |
Hans Åberg |
Subject: |
Re: Not able to use %union? |
Date: |
Mon, 18 Feb 2019 21:42:53 +0100 |
> On 18 Feb 2019, at 04:37, Peng Yu <address@hidden> wrote:
>
> I use rapidstring to make the string operations use and use the Boehm
> garbage collector so that I don't have to always remember to release
> the memory.
>
> https://github.com/boyerjohn/rapidstring
>
> Because I want to use the previously allocated memory, I don't want to
> call "rs_init(&yylval->str)" in any action. So YYSTYPE must be a
> struct instead of a union.
The Boehm GC probably can find pointers in unions, a link suggested there might
be a problem with guessing correctly for packed structs.