sufreplace

I see that current CVS' sufreplace requires that the source and target suffix 
begin with a ".". Why was this restriction introduced? It makes sufreplace() 
useless for my purposes [1].

FWIW, here's a version of sufreplace() (based on AAP 1.006's sufreplace()) 
that uses var2dictlist for the dirty work (like my earlier suffixmangle). The 
RE's become a little simpler, and attributes are preserved.

def sufreplace(suffrom, sufto, var):
    """Replace suffixes in "var" from "suffrom" to "sufto"."""
    # TODO: make this more robust; don't change directory names
    try:
        r = var2dictlist(var)
        for i in r:
            t=i.get("name")
            if t:
                if not suffrom:
                    i["name"]=re.sub("\\.[^. \t/]+$", sufto, t)
                else:
                    i["name"]=re.sub(string.replace(suffrom, ".", "\\.") + 
"$",sufto, t)
        return dictlist2str(r)
    except StandardError, e:
        recipe_error([], _('sufreplace() failed: ') + str(e))
        return None     # not reached



[1] My purposes involve those damn "fake sources" again. I have a file foo.h, 
which really is a C++ header file. However, it contains some extra 
annotations, and it can be converted through a series of tools to foo_skel.cc 
or foo_stub.cc . The convention I've been using is to write somethng like 
"SOURCES=foo.skel" (to indicate that I want "foo.h" to be used and converted 
to "foo_skel.cc") and then doing 

:program bar : `sufreplace(".skel","_skel.cc",SOURCES)`

which is still a lousy approach, but it worked. Not anymore, since I can't 
start the replacement suffix with _ now. 

I guess the only possibility left is to use {var_OBJSUF=_skel.o} now, as long 
as src2obj() doesn't use sufreplace().

-- 
pub  1024D/FEA2A3FE 2002-06-18 Adriaan de Groot <[email protected]>
     Key fingerprint = 934E 31AA 80A7 723F 54F9  50ED 76AC EE01 FEA2 A3FE



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