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fix unmarshalling of syntax objects with a renaming fboth from and to a module binding

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svn: r4075
This commit is contained in:
Matthew Flatt 2006-08-16 23:12:40 +00:00
parent 732a319efe
commit 8d77972334
1 changed files with 22 additions and 1 deletions
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23
src/mzscheme/src/stxobj.c
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@ -4585,6 +4585,15 @@ static Scheme_Object *datum_to_wraps(Scheme_Object *w,
if (SCHEME_MARKP(a)) {
kfirst = unmarshal_mark(a, rns);
} else {
Scheme_Object *bdg = NULL;
if (SCHEME_VECTORP(a)) {
if (SCHEME_VEC_SIZE(a) != 2) return_NULL;
bdg = SCHEME_VEC_ELS(a)[1];
if (!SCHEME_SYMBOLP(bdg)) return_NULL;
a = SCHEME_VEC_ELS(a)[0];
}
for (; SCHEME_PAIRP(a); a = SCHEME_CDR(a)) {
kp = CONS(unmarshal_mark(SCHEME_CAR(a), rns), scheme_null);
if (!klast)
@ -4593,7 +4602,19 @@ static Scheme_Object *datum_to_wraps(Scheme_Object *w,
SCHEME_CDR(klast) = kp;
klast = kp;
}
if (!SCHEME_NULLP(a)) return_NULL;
if (!SCHEME_NULLP(a)) {
if (bdg && SCHEME_MARKP(a) && SCHEME_NULLP(kfirst))
kfirst = unmarshal_mark(a, rns);
else
return_NULL;
}
if (bdg) {
a = scheme_make_vector(2, NULL);
SCHEME_VEC_ELS(a)[0] = kfirst;
SCHEME_VEC_ELS(a)[1] = bdg;
kfirst = a;
}
}
ll = CONS(CONS(kfirst, kkey), ll);