Hi Oscar,
Many thanks for this, I see. I just went through the documentation and I
found the transformations. I guess I will have to add this to the standard
transformations (e.g. (merge_double_colon, ) + standard_transformations) so
as to work.
BW
Giorgino
On Thu, Nov 11, 2021 at 10:22 AM Oscar Gustafsson <
oscar.gustafs...@gmail.com> wrote:
> This behavior is from the Python tokenizer.
>
>
> In [13]: input_code = StringIO('l_::p+3')
>
> In [14]: list(generate_tokens(input_code.readline))
>
> Out[14]:
>
> [TokenInfo(type=1 (NAME), string='l_', start=(1, 0), end=(1, 2),
> line='l_::p+3'),
>
> TokenInfo(type=54 (OP), string=':', start=(1, 2), end=(1, 3),
> line='l_::p+3'),
>
> TokenInfo(type=54 (OP), string=':', start=(1, 3), end=(1, 4),
> line='l_::p+3'),
>
> TokenInfo(type=1 (NAME), string='p', start=(1, 4), end=(1, 5),
> line='l_::p+3'),
>
> TokenInfo(type=54 (OP), string='+', start=(1, 5), end=(1, 6),
> line='l_::p+3'),
>
> TokenInfo(type=2 (NUMBER), string='3', start=(1, 6), end=(1, 7),
> line='l_::p+3'),
>
> TokenInfo(type=4 (NEWLINE), string='', start=(1, 7), end=(1, 8), line=''),
>
> TokenInfo(type=0 (ENDMARKER), string='', start=(2, 0), end=(2, 0),
> line='')]
>
>
> I guess you can add a transformation that merges NAME, OP=':', OP=':',
> NAME sequences into a single name token.
>
>
> BR Oscar
>
>
>
> Den tors 11 nov. 2021 kl 10:43 skrev Giorgino R <giorgino...@gmail.com>:
>
>> Hi all,
>>
>> I am using `parse_exr` to parse some strings as sympy symbols and then
>> generate cxx code with `cxxcode`. When I use an expression with double
>> colon, parse_expr is trying to split it. In contrast, if I define this
>> expression with Sympy Symbol, I can create cxx code (see below).
>>
>> [image: image.png]
>>
>> Any idea how I could overwrite this behavior in `parse_expr`?
>> Many thanks in advance,
>> Giorgino
>>
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