Support for show/hide combinators

runtime/vm/object.h

 // 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.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 254 matching lines @@
   }
   static RawClass* patch_class_class() { return patch_class_class_; }
   static RawClass* function_class() { return function_class_; }
   static RawClass* closure_data_class() { return closure_data_class_; }
   static RawClass* field_class() { return field_class_; }
   static RawClass* literal_token_class() { return literal_token_class_; }
   static RawClass* token_stream_class() { return token_stream_class_; }
   static RawClass* script_class() { return script_class_; }
   static RawClass* library_class() { return library_class_; }
   static RawClass* library_prefix_class() { return library_prefix_class_; }
+  static RawClass* namespace_class() { return namespace_class_; }
   static RawClass* code_class() { return code_class_; }
   static RawClass* instructions_class() { return instructions_class_; }
   static RawClass* pc_descriptors_class() { return pc_descriptors_class_; }
   static RawClass* stackmap_class() { return stackmap_class_; }
   static RawClass* var_descriptors_class() { return var_descriptors_class_; }
   static RawClass* exception_handlers_class() {
     return exception_handlers_class_;
   }
   static RawClass* deopt_info_class() { return deopt_info_class_; }
   static RawClass* context_class() { return context_class_; }
@@ skipping 111 matching lines @@
   static RawClass* instantiated_type_arguments_class_;  // Class of Inst..ments.
   static RawClass* patch_class_class_;  // Class of the PatchClass vm object.
   static RawClass* function_class_;  // Class of the Function vm object.
   static RawClass* closure_data_class_;  // Class of ClosureData vm obj.
   static RawClass* field_class_;  // Class of the Field vm object.
   static RawClass* literal_token_class_;  // Class of LiteralToken vm object.
   static RawClass* token_stream_class_;  // Class of the TokenStream vm object.
   static RawClass* script_class_;  // Class of the Script vm object.
   static RawClass* library_class_;  // Class of the Library vm object.
   static RawClass* library_prefix_class_;  // Class of Library prefix vm object.
+  static RawClass* namespace_class_;  // Class of Namespace vm object.
   static RawClass* code_class_;  // Class of the Code vm object.
   static RawClass* instructions_class_;  // Class of the Instructions vm object.
   static RawClass* pc_descriptors_class_;  // Class of PcDescriptors vm object.
   static RawClass* stackmap_class_;  // Class of Stackmap vm object.
   static RawClass* var_descriptors_class_;  // Class of LocalVarDescriptors.
   static RawClass* exception_handlers_class_;  // Class of ExceptionHandlers.
   static RawClass* deopt_info_class_;  // Class of DeoptInfo.
   static RawClass* context_class_;  // Class of the Context vm object.
   static RawClass* context_scope_class_;  // Class of ContextScope vm object.
   static RawClass* icdata_class_;  // Class of ICData.
@@ skipping 1678 matching lines @@
   RawField* LookupLocalField(const String& name) const;
   RawFunction* LookupFunctionAllowPrivate(const String& name) const;
   RawFunction* LookupLocalFunction(const String& name) const;
   RawLibraryPrefix* LookupLocalLibraryPrefix(const String& name) const;
   RawScript* LookupScript(const String& url) const;
   RawArray* LoadedScripts() const;
 
   void AddAnonymousClass(const Class& cls) const;
 
   // Library imports.
-  void AddImport(const Library& library) const;
+  void AddImport(const Namespace& ns) const;
   RawLibrary* LookupImport(const String& url) const;
   intptr_t num_imports() const { return raw_ptr()->num_imports_; }
-  RawLibrary* ImportAt(intptr_t index) const;
-  RawLibraryPrefix* ImportPrefixAt(intptr_t index) const;
+  RawNamespace* ImportAt(intptr_t index) const;
+  RawLibrary* ImportLibraryAt(intptr_t index) const;
   bool ImportsCorelib() const;
 
   RawFunction* LookupFunctionInSource(const String& script_url,
                                       intptr_t line_number) const;
   RawFunction* LookupFunctionInScript(const Script& script,
                                       intptr_t token_pos) const;
 
   // Resolving native methods for script loaded in the library.
   Dart_NativeEntryResolver native_entry_resolver() const {
     return raw_ptr()->native_entry_resolver_;
@@ skipping 62 matching lines @@
   void GrowDictionary(const Array& dict, intptr_t dict_size) const;
   static RawLibrary* NewLibraryHelper(const String& url,
                                       bool import_core_lib);
   RawObject* LookupEntry(const String& name, intptr_t *index) const;
 
   HEAP_OBJECT_IMPLEMENTATION(Library, Object);
   friend class Class;
   friend class Debugger;
   friend class DictionaryIterator;
   friend class Isolate;
+  friend class Namespace;
 };
 
 
 class LibraryPrefix : public Object {
  public:
   RawString* name() const { return raw_ptr()->name_; }
   virtual RawString* DictionaryName() const { return name(); }
 
-  RawArray* libraries() const { return raw_ptr()->libraries_; }
-  intptr_t num_libs() const { return raw_ptr()->num_libs_; }
+  RawArray* imports() const { return raw_ptr()->imports_; }
+  intptr_t num_imports() const { return raw_ptr()->num_imports_; }
 
   bool ContainsLibrary(const Library& library) const;
   RawLibrary* GetLibrary(int index) const;
-  void AddLibrary(const Library& library) const;
+  void AddImport(const Namespace& import) const;
   RawClass* LookupLocalClass(const String& class_name) const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawLibraryPrefix));
   }
 
-  static RawLibraryPrefix* New(const String& name, const Library& lib);
+  static RawLibraryPrefix* New(const String& name, const Namespace& import);
 
  private:
   static const int kInitialSize = 2;
   static const int kIncrementSize = 2;
 
   void set_name(const String& value) const;
-  void set_libraries(const Array& value) const;
-  void set_num_libs(intptr_t value) const;
+  void set_imports(const Array& value) const;
+  void set_num_imports(intptr_t value) const;
   static RawLibraryPrefix* New();
 
   HEAP_OBJECT_IMPLEMENTATION(LibraryPrefix, Object);
   friend class Class;
   friend class Isolate;
 };
 
 
+class Namespace : public Object {
+ public:
+  RawLibrary* library() const { return raw_ptr()->library_; }
+  RawArray* show_names() const { return raw_ptr()->show_names_; }
+  RawArray* hide_names() const { return raw_ptr()->hide_names_; }
+
+  static intptr_t InstanceSize() {
+    return RoundedAllocationSize(sizeof(RawNamespace));
+  }
+
+  bool HidesName(const String& name) const;
+  RawObject* Lookup(const String& name) const;
+
+  static RawNamespace* New(const Library& library,
+                           const Array& show_names,
+                           const Array& hide_names);
+ private:
+  static RawNamespace* New();
+
+  HEAP_OBJECT_IMPLEMENTATION(Namespace, Object);
+  friend class Class;
+};
+
+
 class Instructions : public Object {
  public:
   intptr_t size() const { return raw_ptr()->size_; }
   RawCode* code() const { return raw_ptr()->code_; }
 
   uword EntryPoint() const {
     return reinterpret_cast<uword>(raw_ptr()) + HeaderSize();
   }
 
   static const intptr_t kMaxElements = (kIntptrMax -
@@ skipping 3415 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_