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compiler: Don't warn for unknown type when importing anonymous field. 

From-SVN: r203772
This commit is contained in:
Ian Lance Taylor 2013-10-17 15:44:04 +00:00
parent 2ed3eba129
commit e952450aab
1 changed files with 18 additions and 4 deletions
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22
gcc/go/gofrontend/types.cc
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@ -5263,11 +5263,25 @@ Struct_type::do_import(Import* imp)
// that an embedded builtin type is accessible from another
// package (we know that all the builtin types are not
// exported).
if (name.empty() && ftype->deref()->named_type() != NULL)
// This is called during parsing, before anything is
// lowered, so we have to be careful to avoid dereferencing
// an unknown type name.
if (name.empty())
{
const std::string fn(ftype->deref()->named_type()->name());
if (fn[0] >= 'a' && fn[0] <= 'z')
name = '.' + imp->package()->pkgpath() + '.' + fn;
Type *t = ftype;
if (t->classification() == Type::TYPE_POINTER)
{
// Very ugly.
Pointer_type* ptype = static_cast<Pointer_type*>(t);
t = ptype->points_to();
}
std::string tname;
if (t->forward_declaration_type() != NULL)
tname = t->forward_declaration_type()->name();
else if (t->named_type() != NULL)
tname = t->named_type()->name();
if (!tname.empty() && tname[0] >= 'a' && tname[0] <= 'z')
name = '.' + imp->package()->pkgpath() + '.' + tname;
}
Struct_field sf(Typed_identifier(name, ftype, imp->location()));