What to use for finding as many syntax errors as possible.

[Cameron Simpson]

On 09/10/2022 10.49, Avi Gross wrote:
>>My guess is that finding 100 errors might turn out to be misleading. 
>>If you
>>fix just the first, many others would go away. If you spell a variable name
>>wrong when declaring it, a dozen uses of the right name may cause errors.
>>Should you fix the first or change all later ones?

Just to this, these are semantic errors, not syntax errors. Linters do 
an ok job of spotting these. Antoon is after _syntax errors_.

On 10Oct2022 08:21, Michael F. Stemper <michael.stemper at gmail.com> wrote:
>How does one declare a variable in python? Sometimes it'd be nice to
>be able to have declarations and any undeclared variable be flagged.

Linters do pretty well at this. They can trace names and their use 
compared to their first definition/assignment (often - there are of 
course some constructs which are correct but unclear to a static 
analysis - certainly one of my linters occasionally says "possible 
undefine use" to me because there may be a path to use before set). This 
is particularly handy for typos, which often make for "use before set" 
or "set and not used".

>I'd love it if there was something similar that I could do in python.

Have you used any lint programmes? My "lint" script runs pyflakes and 
pylint.

Cheers,
Cameron Simpson <cs at cskk.id.au>