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compiler: structs inherit all methods from embedded pointer fields. 

Previously if a struct S contained an embedded field *T,
a method with receiver *T would not be promoted to a method
with value receiver S.

From-SVN: r200493
This commit is contained in:
Ian Lance Taylor 2013-06-27 20:51:55 +00:00
parent ea16999619
commit 4a197d64cb
1 changed files with 6 additions and 1 deletions
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7
gcc/go/gofrontend/types.cc
View File

@ -9396,13 +9396,18 @@ Type::find_field_or_method(const Type* type,
fnt = pf->type()->deref()->named_type();
go_assert(fnt != NULL);
// Methods with pointer receivers on embedded field are
// inherited by the pointer to struct, and also by the struct
// type if the field itself is a pointer.
bool can_be_pointer = (receiver_can_be_pointer
|| pf->type()->points_to() != NULL);
int sublevel = level == NULL ? 1 : *level + 1;
bool sub_is_method;
std::string subambig1;
std::string subambig2;
bool subfound = Type::find_field_or_method(fnt,
name,
receiver_can_be_pointer,
can_be_pointer,
seen,
&sublevel,
&sub_is_method,