Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #162524

Re: int(*const parse_packet)(const char *, size_t, char **);

Show all headers | View raw

"hongy...@gmail.com" <hongyi.zhao@gmail.com> writes:
[...]
> But cdecl [1-2] doesn't work with these rules, e.g.:
>
> $ cdecl 
> Type `help' or `?' for help
> cdecl> explain T *ap[N]; 
> syntax error
> cdecl> 
[...]

cdecl's parser is relatively simple, certainly in comparison to the
parser in a C compiler.  In your example, it doesn't know what "T" or
"N" is, and isn't smart enough to assume that T is a type name and N is
a numeric constant.

It also treats certain English words (like "declare", "explain",
"pointer", "ptr", "array", "of", and "to") as keywords.  If I recall
correctly it uses a single grammar for its C-to-English and English-to-C
translations.

If you have a declaration with a named type, replace it with "int" or
"char" before feeding it to cdecl.  If you have a named constant like N,
replace it with an actual constant.

cdecl is quirky but useful.

$ cdecl
Type `help' or `?' for help
cdecl> explain T *ap[N]
syntax error
cdecl> explain int *ap[42]
declare ap as array 42 of pointer to int
cdecl> 

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
Working, but not speaking, for Philips
void Void(void) { Void(); } /* The recursive call of the void */

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-08-31 03:35 -0700
  Re: int(*const parse_packet)(const char *, size_t, char **); Bonita Montero <Bonita.Montero@gmail.com> - 2021-08-31 12:59 +0200
    Re: int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-08-31 06:07 -0700
      Re: int(*const parse_packet)(const char *, size_t, char **); Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-08-31 08:01 -0700
  Re: int(*const parse_packet)(const char *, size_t, char **); Manfred <noname@add.invalid> - 2021-08-31 15:01 +0200
  Re: int(*const parse_packet)(const char *, size_t, char **); John Bode <jfbode1029@gmail.com> - 2021-08-31 16:08 -0500
    Re: int(*const parse_packet)(const char *, size_t, char **); "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-08-31 14:32 -0700
      Re: int(*const parse_packet)(const char *, size_t, char **); Bart <bc@freeuk.com> - 2021-08-31 22:39 +0100
        Re: int(*const parse_packet)(const char *, size_t, char **); "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-09-01 14:40 -0700
    Re: int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-08-31 18:21 -0700
      Re: int(*const parse_packet)(const char *, size_t, char **); Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-08-31 19:54 -0700
    Re: int(*const parse_packet)(const char *, size_t, char **); Kaz Kylheku <563-365-8930@kylheku.com> - 2021-09-01 05:07 +0000
      Re: int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-08-31 23:19 -0700
  Re: int(*const parse_packet)(const char *, size_t, char **); James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-09-01 10:34 -0400
    Re: int(*const parse_packet)(const char *, size_t, char **); Bart <bc@freeuk.com> - 2021-09-01 16:22 +0100
      Re: int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-09-01 20:02 -0700
        Re: int(*const parse_packet)(const char *, size_t, char **); Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-09-01 21:01 -0700
          Re: int(*const parse_packet)(const char *, size_t, char **); "hongy...@gmail.com" <hongyi.zhao@gmail.com> - 2021-09-01 23:18 -0700
          Re: int(*const parse_packet)(const char *, size_t, char **); scott@slp53.sl.home (Scott Lurndal) - 2021-09-02 15:02 +0000
            Re: int(*const parse_packet)(const char *, size_t, char **); Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2021-09-02 15:24 +0000
        Re: int(*const parse_packet)(const char *, size_t, char **); Bart <bc@freeuk.com> - 2021-09-02 10:40 +0100
  Re: int(*const parse_packet)(const char *, size_t, char **); Paul N <gw7rib@aol.com> - 2021-09-01 08:32 -0700

csiph-web