On Jul 19, 5:16 pm, Tony Mechelynck <[email protected]>
wrote:
> On 19/07/09 13:59, sinbad wrote:
>
>
>
>
>
> > On Jul 19, 4:49 pm, Tony Mechelynck<[email protected]>
> > wrote:
> >> On 19/07/09 12:54, sinbad wrote:
>
> >>> hi,
>
> >>> How to match a C function declaration. I tried the following but
> >>> didn't work.
>
> >>> :%s/\_.*(\_.*);//gc
>
> >>> thanks
>
> >> Since \_.* matches _as many as possible_ of anything including a
> >> linebreak, the above would delete everything in the file until the last
> >> ); pair, provided that there is at least one ( anywhere before it in the
> >> file.
>
> >> How would you formulate your desired search-replace, in plain English?
>
> >> Best regards,
> >> Tony.
> >> --
> >> Bare feet magnetize sharp metal objects so they point upward from the
> >> floor -- especially in the dark.
>
> > yeah, that's true it's matching the whole file. but the reason i used
> > it is to
> > match a new line char. the following are possible c function
> > declarations.
>
> > type_name fun_name(type_name p1);
>
> > type_name
> > fun_name(type_name p1);
>
> > type_name fun_name (type_name p1, type_name p2);
> > e
> > the trick is there can be any no.of parameters are no parameters at
> > all
> > and there can be a line break anywhere after a valid c token.
>
> > I think the regular expression in plain english is
> > "
> > any string with, sequence of characters followed by one or more spaces
> > followed by a "(" and
> > sequence of characters includeing "," or "_" followed by a ");"
>
> Well, "any sequence of characters" includes everything before your
> function declaration (which is why your regexp happily deletes it).
>
> How would you describe it more narrowly? Can there be non-keyword
> characters other than spaces before the left paren? Asterisks maybe? Can
> there be other than keyword characters, commas, whitespace and
> linebreaks inside the () pair? Again, asterisks maybe? If there are
> blank lines before the function declaration, do you want to remove them
> or keep them?
>
> Best regards,
> Tony.
> --
> For perfect happiness, remember two things:
> (1) Be content with what you've got.
> (2) Be sure you've got plenty.
hi,
i don't want to match anything before my function declaration or
anything after that.
basically what i want to do is get rid of all function declarations
inside my c header
files.
a function declaration is defined as follows
c_type_specifier - a mix characters and numbers including "_" but
starting with a character or "_"
this can be written as [a-zA-Z|_][0-9a-zA-Z|_]*
c_type_identifier - same as above
r1 - any no.of spaces or newlines
by using above function declaration can be as follows
c_type_specifier r1 c_type_identifier r1 (c_type_specifier r1
c_type_identifier r1 [, r1 c_type_specifier r1]* r1);
thanks
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