Debugger support to display global variables

runtime/vm/object.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 "vm/object.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 4674 matching lines @@
 
 void ClassDictionaryIterator::MoveToNextClass() {
   Object& obj = Object::Handle(array_.At(next_ix_));
   while (!obj.IsClass() && HasNext()) {
     next_ix_++;
     obj = array_.At(next_ix_);
   }
 }
 
 
+LibraryPrefixIterator::LibraryPrefixIterator(const Library& library)
+    : DictionaryIterator(library) {
+  MoveToNext();

[siva, 2012/06/26 18:46:28]

Your suggestion of 'Advance' in another context seems like a good name instead
of MoveToNext. This is just a suggestion please feel free to ignore.

+}
+
+
+RawLibraryPrefix* LibraryPrefixIterator::GetNext() {
+  ASSERT(HasNext());
+  int ix = next_ix_++;
+  Object& obj = Object::Handle(array_.At(ix));
+  MoveToNext();
+  LibraryPrefix& prefix = LibraryPrefix::Handle();
+  prefix ^= obj.raw();
+  return prefix.raw();
+}
+
+
+void LibraryPrefixIterator::MoveToNext() {
+  Object& obj = Object::Handle(array_.At(next_ix_));
+  while (!obj.IsLibraryPrefix() && HasNext()) {
+    next_ix_++;
+    obj = array_.At(next_ix_);
+  }
+}
+
+
 void Library::SetName(const String& name) const {
   // Only set name once.
   ASSERT(!Loaded());
   ASSERT(name.IsSymbol());
   StorePointer(&raw_ptr()->name_, name.raw());
 }
 
 
 void Library::SetLoadInProgress() const {
   // Should not be already loaded.
@@ skipping 5511 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart