Thanks for your patience.
On Tue, 2005-04-19 at 16:32 -0700, Tupshin Harper wrote:
> >Give me a case where assuming it's a replace will do the wrong thing,
> >for C code, where it's a variable or function name.
> try this:
> initial patch creates hello.c
> #include <stdio.h>
> int main(int argc, char *argv)
> printf("Hello world!\n");
> return 0;
> second patch:
> replace ./hello.c [A-Za-z_0-9] world universe
Aha! Okay, I now see at least part of issue: we're using different
definitions of 'token.' Yours is quite sensible, in that it matches the
darcs syntax. However, I'm claiming a token is defined by the file's
language, and that a replace patch on anything but a token as per those
language standards is a silly thing.
In your example, I'd claim you did an inter-token edit, as the natural
token there was "Hello world!\n".
With that, let me restate what I think is possible.
One should be able to discover renames (replaces) of user identifiers in
C code programmatically. Is that everything darcs replace does?
Obviously not. Is that what users would usually *want*? If I were using
it, that's what I'd want (especially including the limited scope of
replacement -- user identifiers such as variable or function names,
etc.). But then I'm not a lurker on the darcs user list, so I don't know
how usage of darcs replace plays out in actual practice.
So, it's a subset. Is it a useful subset? Yes, as it addresses what
happens during refactoring, which is when I'd usually see this getting
used. (Syntactically ignorant search and replace is so, y'know,
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