mirror of
https://github.com/golang/go.git
synced 2024-09-29 22:37:06 +00:00
embedded interface types in interfaces.
R=ken OCL=25072 CL=25072
This commit is contained in:
parent
78906c3836
commit
b4af09ab56
@ -643,7 +643,7 @@ funclit1(Type *type, Node *body)
|
||||
Type**
|
||||
stotype(Node *n, int et, Type **t)
|
||||
{
|
||||
Type *f;
|
||||
Type *f, *t1;
|
||||
Iter save;
|
||||
String *note;
|
||||
int lno;
|
||||
@ -666,20 +666,50 @@ loop:
|
||||
goto next;
|
||||
}
|
||||
|
||||
if(n->op != ODCLFIELD || n->type == T)
|
||||
if(n->op != ODCLFIELD)
|
||||
fatal("stotype: oops %N\n", n);
|
||||
|
||||
if(n->type == T) {
|
||||
// assume error already printed
|
||||
goto next;
|
||||
}
|
||||
|
||||
switch(n->val.ctype) {
|
||||
case CTSTR:
|
||||
if(et != TSTRUCT)
|
||||
yyerror("interface method cannot have annotation");
|
||||
note = n->val.u.sval;
|
||||
break;
|
||||
default:
|
||||
yyerror("field annotation must be string");
|
||||
if(et != TSTRUCT)
|
||||
yyerror("interface method cannot have annotation");
|
||||
else
|
||||
yyerror("field annotation must be string");
|
||||
case CTxxx:
|
||||
note = nil;
|
||||
break;
|
||||
}
|
||||
|
||||
if(et == TINTER && n->left == N) {
|
||||
// embedded interface - inline the methods
|
||||
if(n->type->etype != TINTER) {
|
||||
yyerror("interface contains embedded non-interface %T", t);
|
||||
goto next;
|
||||
}
|
||||
for(t1=n->type->type; t1!=T; t1=t1->down) {
|
||||
if(strcmp(t1->sym->package, package) != 0)
|
||||
yyerror("embedded interface contains unexported method %S", t1->sym);
|
||||
f = typ(TFIELD);
|
||||
f->type = t1->type;
|
||||
f->width = BADWIDTH;
|
||||
f->nname = newname(t1->sym);
|
||||
f->sym = t1->sym;
|
||||
*t = f;
|
||||
t = &f->down;
|
||||
}
|
||||
goto next;
|
||||
}
|
||||
|
||||
f = typ(TFIELD);
|
||||
f->type = n->type;
|
||||
f->note = note;
|
||||
|
@ -57,7 +57,7 @@
|
||||
%type <node> exprsym3_list_r exprsym3
|
||||
%type <node> name onew_name new_name new_name_list_r new_field
|
||||
%type <node> vardcl_list_r vardcl Avardcl Bvardcl
|
||||
%type <node> interfacedcl_list_r interfacedcl
|
||||
%type <node> interfacedcl_list_r interfacedcl interfacedcl1
|
||||
%type <node> structdcl_list_r structdcl embed
|
||||
%type <node> fnres Afnres Bfnres fnliteral xfndcl fndcl fnbody
|
||||
%type <node> braced_keyexpr_list keyval_list_r keyval
|
||||
@ -1385,8 +1385,8 @@ embed:
|
||||
context = nil;
|
||||
}
|
||||
|
||||
interfacedcl:
|
||||
new_name ',' interfacedcl
|
||||
interfacedcl1:
|
||||
new_name ',' interfacedcl1
|
||||
{
|
||||
$$ = nod(ODCLFIELD, $1, N);
|
||||
$$ = nod(OLIST, $$, $3);
|
||||
@ -1397,6 +1397,14 @@ interfacedcl:
|
||||
$$->type = $2;
|
||||
}
|
||||
|
||||
interfacedcl:
|
||||
interfacedcl1
|
||||
| latype
|
||||
{
|
||||
$$ = nod(ODCLFIELD, N, N);
|
||||
$$->type = oldtype($1);
|
||||
}
|
||||
|
||||
indcl:
|
||||
'(' oarg_type_list ')' fnres
|
||||
{
|
||||
|
Loading…
Reference in New Issue
Block a user