Support for show/hide combinators

runtime/vm/raw_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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 13 matching lines @@
     V(InstantiatedTypeArguments)                                               \
   V(PatchClass)                                                                \
   V(Function)                                                                  \
   V(ClosureData)                                                               \
   V(Field)                                                                     \
   V(LiteralToken)                                                              \
   V(TokenStream)                                                               \
   V(Script)                                                                    \
   V(Library)                                                                   \
   V(LibraryPrefix)                                                             \
+  V(Namespace)                                                                 \
   V(Code)                                                                      \
   V(Instructions)                                                              \
   V(PcDescriptors)                                                             \
   V(Stackmap)                                                                  \
   V(LocalVarDescriptors)                                                       \
   V(ExceptionHandlers)                                                         \
   V(DeoptInfo)                                                                 \
   V(Context)                                                                   \
   V(ContextScope)                                                              \
   V(ICData)                                                                    \
@@ skipping 671 matching lines @@
 
   RAW_HEAP_OBJECT_IMPLEMENTATION(Library);
 
   RawObject** from() { return reinterpret_cast<RawObject**>(&ptr()->name_); }
   RawString* name_;
   RawString* url_;
   RawScript* script_;
   RawString* private_key_;
   RawArray* dictionary_;         // Top-level names in this library.
   RawArray* anonymous_classes_;  // Classes containing top-level elements.
-  RawArray* imports_;            // List of libraries imported without prefix.
-                                 // is imported into without a prefix.
+  RawArray* imports_;            // List of Namespaces imported without prefix.
   RawArray* loaded_scripts_;     // Array of scripts loaded in this library.
   RawObject** to() {
     return reinterpret_cast<RawObject**>(&ptr()->loaded_scripts_);
   }
 
   intptr_t index_;               // Library id number.
   intptr_t num_imports_;         // Number of entries in imports_.
   intptr_t num_anonymous_;       // Number of entries in anonymous_classes_.
   Dart_NativeEntryResolver native_entry_resolver_;  // Resolves natives.
   bool corelib_imported_;
   bool debuggable_;              // True if debugger can stop in library.
   int8_t load_state_;            // Of type LibraryState.
 
   friend class Isolate;
 };
 
 
 class RawLibraryPrefix : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(LibraryPrefix);
 
   RawObject** from() { return reinterpret_cast<RawObject**>(&ptr()->name_); }
   RawString* name_;               // library prefix name.
-  RawArray* libraries_;           // libraries imported with this prefix.
+  RawArray* imports_;             // libraries imported with this prefix.
   RawObject** to() {
-    return reinterpret_cast<RawObject**>(&ptr()->libraries_);
+    return reinterpret_cast<RawObject**>(&ptr()->imports_);
   }
-  intptr_t num_libs_;             // Number of library entries in libraries_.
+  intptr_t num_imports_;          // Number of library entries in libraries_.
+};
+
+
+class RawNamespace : public RawObject {
+  RAW_HEAP_OBJECT_IMPLEMENTATION(Namespace);
+
+  RawObject** from() {
+    return reinterpret_cast<RawObject**>(&ptr()->library_);
+  }
+  RawLibrary* library_;          // library with name dictionary.
+  RawArray* show_names_;         // list of names that are exported.
+  RawArray* hide_names_;         // blacklist of names that are not exported.
+  RawObject** to() {
+    return reinterpret_cast<RawObject**>(&ptr()->hide_names_);
+  }
 };
 
 
 class RawCode : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Code);
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->instructions_);
   }
   RawInstructions* instructions_;
@@ skipping 840 matching lines @@
          kExternalUint64ArrayCid == kByteArrayCid + 18 &&
          kExternalFloat32ArrayCid == kByteArrayCid + 19 &&
          kExternalFloat64ArrayCid == kByteArrayCid + 20 &&
          kStacktraceCid == kByteArrayCid + 21);
   return (index >= kByteArrayCid && index <= kExternalFloat64ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_