Re: Migrating from font-lock-syntactic-keywords to syntax-propertize-function

[Dmitry Gutov]

On 12.05.2020 13:15, Tassilo Horn wrote:
>    (setq-local syntax-propertize-function
>                (my-make-syntax-propertize-function))

This will be

  (setq-local syntax-propertize-function
              #'my-make-syntax-propertize-function)

> 2. Some of my syntax rules are not static, so I cannot provide a fixed
>     set of rules to `syntax-propertize-rules'.  Is there anything better
>     than using `eval' like
>
>       (defun my-make-syntax-propertize-function ()
>         (eval
>          `(syntax-propertize-rules
>            ,@(mapcar
>               #'my-convert-legacy-syntactic-keywords
>               (my-compute-syntactic-keywords)))))
>
>     or should I prefer writing a manual `syntax-propertize-function'?

syntax-propertize-rules can have elisp code inside, just like 
font-lock-keywords. See js-syntax-propertize as one example.