parse.y: allow non-local variable access from hash value omission.
For example, `{p:}` (means `{p:p}`) and `{String:}` (`{String:String}`)
should be allowed like CRuby.
@@ -1292,6 +1292,24 @@ var_reference(parser_state *p, node *lhs)
return lhs;
}
+static node*
+label_reference(parser_state *p, mrb_sym sym)
+{
+ const char *name = mrb_sym_name(p->mrb, sym);
+ node *n;
+
+ if (local_var_p(p, sym)) {
+ n = new_lvar(p, sym);
+ }
+ else if (ISUPPER(name[0])) {
+ n = new_const(p, sym);
+ }
+ else {
+ n = new_fcall(p, sym, 0);
+ }
+ return n;
+}
+
typedef enum mrb_string_type string_type;
static node*
@@ -4007,7 +4025,7 @@ assoc : arg tASSOC arg
}
| tIDENTIFIER tLABEL_TAG
{
- $$ = cons(new_sym(p, $1), new_lvar(p, $1));
+ $$ = cons(new_sym(p, $1), label_reference(p, $1));
}
| string_fragment tLABEL_TAG arg
{
