Dsymbol *ScopeDsymbol::search(Loc loc, Identifier *ident, int flags)
{
//printf("%s->ScopeDsymbol::search(ident='%s', flags=x%x)\n", toChars(), ident->toChars(), flags);
// Look in symbols declared in this module
Dsymbol *s = symtab ? symtab->lookup(ident) : NULL;
if (s)
{
//printf("\ts = '%s.%s'\n",toChars(),s->toChars());
}
else if (imports)
{
OverloadSet *a = NULL;
// Look in imported modules
for (int i = 0; i < imports->dim; i++)
{ ScopeDsymbol *ss = (ScopeDsymbol *)imports->data[i];
Dsymbol *s2;
// If private import, don't search it
if (flags & 1 && prots[i] == PROTprivate)
continue;
//printf("\tscanning import '%s', prots = %d, isModule = %p, isImport = %p\n", ss->toChars(), prots[i], ss->isModule(), ss->isImport());
/* Don't find private members if ss is a module
*/
s2 = ss->search(loc, ident, ss->isModule() ? 1 : 0);
if (!s)
s = s2;
else if (s2 && s != s2)
{
if (s->toAlias() == s2->toAlias())
{
/* After following aliases, we found the same symbol,
* so it's not an ambiguity.
* But if one alias is deprecated, prefer the other.
*/
if (s->isDeprecated())
s = s2;
}
else
{
/* Two imports of the same module should be regarded as
* the same.
*/
Import *i1 = s->isImport();
Import *i2 = s2->isImport();
if (!(i1 && i2 &&
(i1->mod == i2->mod ||
(!i1->parent->isImport() && !i2->parent->isImport() &&
i1->ident->equals(i2->ident))
)
)
)
{
/* If both s2 and s are overloadable (though we only
* need to check s once)
*/
if (s2->isOverloadable() && (a || s->isOverloadable()))
{ if (!a)
a = new OverloadSet();
/* Don't add to a[] if s2 is alias of previous sym
*/
for (int j = 0; j < a->a.dim; j++)
{ Dsymbol *s3 = (Dsymbol *)a->a.data[j];
if (s2->toAlias() == s3->toAlias())
{
if (s3->isDeprecated())
a->a.data[j] = (void *)s2;
goto Lcontinue;
}
}
a->push(s2);
Lcontinue:
continue;
}
if (flags & 4) // if return NULL on ambiguity
return NULL;
if (!(flags & 2))
ss->multiplyDefined(loc, s, s2);
break;
}
}
}
}
/* Build special symbol if we had multiple finds
*/
if (a)
{ assert(s);
a->push(s);
s = a;
}
if (s)
{
Declaration *d = s->isDeclaration();
/* if (d && d->protection == PROTprivate &&
!d->parent->isTemplateMixin() &&
!(flags & 2))
error("%s is private", d->toPrettyChars()); */
}
}
return s;
}
Dsymbol *ScopeDsymbol::search(Loc loc, Identifier *ident, int flags)
{
//printf("%s->ScopeDsymbol::search(ident='%s', flags=x%x)\n", toChars(), ident->toChars(), flags);
//if (strcmp(ident->toChars(),"c") == 0) *(char*)0=0;
// Look in symbols declared in this module
Dsymbol *s = symtab ? symtab->lookup(ident) : NULL;
if (s)
{
//printf("\ts = '%s.%s'\n",toChars(),s->toChars());
}
else if (imports)
{
// Look in imported modules
for (int i = 0; i < imports->dim; i++)
{ ScopeDsymbol *ss = (ScopeDsymbol *)imports->data[i];
Dsymbol *s2;
// If private import, don't search it
if (flags & 1 && prots[i] == PROTprivate)
continue;
//printf("\tscanning import '%s', prots = %d, isModule = %p, isImport = %p\n", ss->toChars(), prots[i], ss->isModule(), ss->isImport());
/* Don't find private members if ss is a module
*/
s2 = ss->search(loc, ident, ss->isModule() ? 1 : 0);
if (!s)
s = s2;
else if (s2 && s != s2)
{
if (s->toAlias() == s2->toAlias())
{
/* After following aliases, we found the same symbol,
* so it's not an ambiguity.
* But if one alias is deprecated, prefer the other.
*/
if (s->isDeprecated())
s = s2;
}
else
{
/* Two imports of the same module should be regarded as
* the same.
*/
Import *i1 = s->isImport();
Import *i2 = s2->isImport();
if (!(i1 && i2 &&
(i1->mod == i2->mod ||
(!i1->parent->isImport() && !i2->parent->isImport() &&
i1->ident->equals(i2->ident))
)
)
)
{
ss->multiplyDefined(loc, s, s2);
break;
}
}
}
}
if (s)
{
Declaration *d = s->isDeclaration();
if (d && d->protection == PROTprivate && !d->parent->isTemplateMixin())
error(loc, "%s is private", d->toPrettyChars());
}
}
return s;
}