Class: Rubydex::ConstantAlias

Inherits:
Declaration show all
Defined in:
ext/rubydex/declaration.c

Instance Method Summary collapse

Methods inherited from Declaration

#definitions, #initialize, #name, #owner, #unqualified_name

Constructor Details

This class inherits a constructor from Rubydex::Declaration

Instance Method Details

#references ⇒ Object

Returns an enumerator that yields constant references to this declaration



339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
 
# File 'ext/rubydex/declaration.c', line 339

static VALUE rdxr_constant_declaration_references(VALUE self) {
    if (!rb_block_given_p()) {
        return rb_enumeratorize_with_size(self, rb_str_new2("references"), 0, NULL,
                                          constant_declaration_references_size);
    }

    HandleData *data;
    TypedData_Get_Struct(self, HandleData, &handle_type, data);

    void *graph;
    TypedData_Get_Struct(data->graph_obj, void *, &graph_type, graph);

    void *iter = rdx_declaration_constant_references_iter_new(graph, data->id);
    if (iter == NULL) {
        rb_raise(rb_eRuntimeError, "Declaration not found");
    }

    VALUE args = rb_ary_new_from_args(2, data->graph_obj, ULL2NUM((uintptr_t)iter));
    rb_ensure(rdxi_constant_references_yield, args, rdxi_constant_references_ensure, args);

    return self;
}

#target ⇒ Object

a target



413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
 
# File 'ext/rubydex/declaration.c', line 413

static VALUE rdxr_constant_alias_target(VALUE self) {
    HandleData *data;
    TypedData_Get_Struct(self, HandleData, &handle_type, data);

    void *graph;
    TypedData_Get_Struct(data->graph_obj, void *, &graph_type, graph);

    const CDeclaration *decl = rdx_constant_alias_target(graph, data->id);
    if (decl == NULL) {
        return Qnil;
    }

    VALUE decl_class = rdxi_declaration_class_for_kind(decl->kind);
    VALUE argv[] = {data->graph_obj, ULL2NUM(decl->id)};
    free_c_declaration(decl);

    return rb_class_new_instance(2, argv, decl_class);
}