Introduce library ids and info in the wire protocol

runtime/vm/debugger_api_impl.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/debugger.h"
 #include "vm/isolate.h"
@@ skipping 358 matching lines @@
 
 DART_EXPORT Dart_Handle Dart_GetStaticFields(Dart_Handle cls_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   Class& cls = Class::Handle();
   UNWRAP_AND_CHECK_PARAM(Class, cls, cls_in);
   return Api::NewHandle(isolate, isolate->debugger()->GetStaticFields(cls));
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetLibraryFields(intptr_t library_id) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  const Library& lib =
+      Library::Handle(isolate, Library::GetLibrary(library_id));
+  if (lib.IsNull()) {
+    return Api::NewError("%s: %d is not a valid library id",
+                         CURRENT_FUNC, library_id);
+  }
+  return Api::NewHandle(isolate, isolate->debugger()->GetLibraryFields(lib));
+}
+
+
 DART_EXPORT Dart_Handle Dart_GetObjClass(Dart_Handle object_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   Instance& obj = Instance::Handle();
   UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
   return Api::NewHandle(isolate, obj.clazz());
 }
 
 
 DART_EXPORT Dart_Handle Dart_GetObjClassId(Dart_Handle object_in,
@@ skipping 13 matching lines @@
   DARTSCOPE(isolate);
   Class& cls = Class::Handle();
   UNWRAP_AND_CHECK_PARAM(Class, cls, cls_in);
   return Api::NewHandle(isolate, cls.SuperClass());
 }
 
 
 DART_EXPORT Dart_Handle Dart_GetClassInfo(
                             intptr_t cls_id,
                             Dart_Handle* class_name,
-                            Dart_Handle* library,
+                            intptr_t* library_id,
                             intptr_t* super_class_id,
                             Dart_Handle* static_fields) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   if (!isolate->class_table()->IsValidIndex(cls_id)) {
     return Api::NewError("%s: %d is not a valid class id",
                          CURRENT_FUNC, cls_id);
   }
   Class& cls = Class::Handle(isolate->class_table()->At(cls_id));
   if (class_name != NULL) {
     *class_name = Api::NewHandle(isolate, cls.Name());
   }
-  if (library != NULL) {
-    *library = Api::NewHandle(isolate, cls.library());
+  if (library_id != NULL) {
+    const Library& lib = Library::Handle(isolate, cls.library());
+    *library_id = lib.index();
   }
   if (super_class_id != NULL) {
     *super_class_id = 0;
     cls = cls.SuperClass();
     if (!cls.IsNull()) {
       *super_class_id = cls.index();
     }
   }
   if (static_fields != NULL) {
     *static_fields =
@@ skipping 49 matching lines @@
   String& url = String::Handle();
   for (int i = 0; i < num_scripts; i++) {
     script ^= loaded_scripts.At(i);
     url = script.url();
     script_list.SetAt(i, url);
   }
   return Api::NewHandle(isolate, script_list.raw());
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetLibraryIds() {
+  Isolate* isolate = Isolate::Current();
+  ASSERT(isolate != NULL);
+  DARTSCOPE(isolate);
+
+  const GrowableObjectArray& libs =
+      GrowableObjectArray::Handle(isolate->object_store()->libraries());
+  int num_libs = libs.Length();
+
+  // Create new list and populate with the url of loaded libraries.
+  Library &lib = Library::Handle();
+  const Array& library_id_list = Array::Handle(Array::New(num_libs));
+  for (int i = 0; i < num_libs; i++) {
+    lib ^= libs.At(i);
+    ASSERT(!lib.IsNull());
+    ASSERT(Smi::IsValid(lib.index()));
+    library_id_list.SetAt(i, Smi::Handle(Smi::New(lib.index())));
+  }
+  return Api::NewHandle(isolate, library_id_list.raw());
+}
+
+
+DART_EXPORT Dart_Handle Dart_GetLibraryImports(intptr_t library_id) {
+  Isolate* isolate = Isolate::Current();
+  ASSERT(isolate != NULL);
+  DARTSCOPE(isolate);
+  const Library& lib = Library::Handle(Library::GetLibrary(library_id));
+  if (lib.IsNull()) {
+    return Api::NewError("%s: %d is not a valid library id",
+                         CURRENT_FUNC, library_id);
+  }
+  String& prefix_name = String::Handle();
+  LibraryPrefix& prefix = LibraryPrefix::Handle();
+  Library& imported = Library::Handle();
+  intptr_t num_imports = lib.num_imports();
+  const Array& import_list = Array::Handle(Array::New(2 * num_imports));
+  for (int i = 0; i < num_imports; i++) {
+    prefix_name = String::null();
+    prefix = lib.ImportPrefixAt(i);
+    if (!prefix.IsNull()) {
+      prefix_name = prefix.name();
+    }
+    import_list.SetAt(2 * i, prefix_name);
+    imported = lib.ImportAt(i);
+    ASSERT(!imported.IsNull());
+    ASSERT(Smi::IsValid(imported.index()));
+    import_list.SetAt(2 * i + 1, Smi::Handle(Smi::New(imported.index())));
+  }
+  return Api::NewHandle(isolate, import_list.raw());
+}
+
+
+DART_EXPORT Dart_Handle Dart_GetLibraryURL(intptr_t library_id) {
+  Isolate* isolate = Isolate::Current();
+  ASSERT(isolate != NULL);
+  DARTSCOPE(isolate);
+  const Library& lib = Library::Handle(Library::GetLibrary(library_id));
+  if (lib.IsNull()) {
+    return Api::NewError("%s: %d is not a valid library id",
+                         CURRENT_FUNC, library_id);
+  }
+  return Api::NewHandle(isolate, lib.url());
+}
+
+
 DART_EXPORT Dart_Handle Dart_GetLibraryURLs() {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   DARTSCOPE(isolate);
 
   const GrowableObjectArray& libs =
       GrowableObjectArray::Handle(isolate->object_store()->libraries());
   int num_libs = libs.Length();
 
   // Create new list and populate with the url of loaded libraries.
   Library &lib = Library::Handle();
   String& lib_url = String::Handle();
   const Array& library_url_list = Array::Handle(Array::New(num_libs));
   for (int i = 0; i < num_libs; i++) {
     lib ^= libs.At(i);
     ASSERT(!lib.IsNull());
     lib_url = lib.url();
     library_url_list.SetAt(i, lib_url);
   }
   return Api::NewHandle(isolate, library_url_list.raw());
 }
 
 }  // namespace dart