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fix comparsion of source module for imports

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svn: r3204
This commit is contained in:
Matthew Flatt 2006-06-03 13:50:30 +00:00
parent bc07332cc2
commit 4ecd4fcb53
1 changed files with 12 additions and 4 deletions
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16
src/mzscheme/src/module.c
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@ -186,8 +186,6 @@ static Scheme_Object *default_module_resolver(int argc, Scheme_Object **argv);
static void qsort_provides(Scheme_Object **exs, Scheme_Object **exsns, Scheme_Object **exss, char *exps,
int start, int count, int do_uninterned);
static int same_modidx(Scheme_Object *a, Scheme_Object *b);
#define MODCHAIN_TABLE(p) ((Scheme_Hash_Table *)(SCHEME_VEC_ELS(p)[0]))
/**********************************************************************/
@ -1716,6 +1714,16 @@ int same_modidx(Scheme_Object *a, Scheme_Object *b)
return scheme_equal(a, b);
}
int same_resolved_modidx(Scheme_Object *a, Scheme_Object *b)
{
if (SAME_TYPE(SCHEME_TYPE(a), scheme_module_index_type))
a = scheme_module_resolve(a);
if (SAME_TYPE(SCHEME_TYPE(b), scheme_module_index_type))
b = scheme_module_resolve(b);
return scheme_equal(a, b);
}
static Scheme_Object *_module_resolve_k(void);
static Scheme_Object *_module_resolve(Scheme_Object *modidx, Scheme_Object *stx)
@ -3704,7 +3712,7 @@ static void check_require_name(Scheme_Object *prnt_name, Scheme_Object *name, Sc
/* Not required, or required from same module: */
vec = scheme_hash_get(required, name);
if (vec) {
if (same_modidx(SCHEME_VEC_ELS(vec)[1], modidx)
if (same_resolved_modidx(SCHEME_VEC_ELS(vec)[1], modidx)
&& SAME_OBJ(SCHEME_VEC_ELS(vec)[2], exname)) {
/* already required, same source; add redundant nominal (for re-provides) */
nml = scheme_make_pair(nominal_modidx, SCHEME_VEC_ELS(vec)[0]);
@ -5727,7 +5735,7 @@ static void check_dup_require(Scheme_Object *prnt_name, Scheme_Object *name, Sch
i = scheme_hash_get((Scheme_Hash_Table *)ht, name);
if (i) {
if (same_modidx(modidx, SCHEME_CAR(i)) && SAME_OBJ(srcname, SCHEME_CDR(i)))
if (same_resolved_modidx(modidx, SCHEME_CAR(i)) && SAME_OBJ(srcname, SCHEME_CDR(i)))
return; /* same source */
scheme_wrong_syntax(NULL, prnt_name, form, "duplicate import identifier");
} else