1 files changed, 99 insertions, 0 deletions
diff --git a/WebCore/bindings/v8/ScriptHeapSnapshot.cpp b/WebCore/bindings/v8/ScriptHeapSnapshot.cpp
new file mode 100644
index 0000000..885d039
--- /dev/null
+++ b/WebCore/bindings/v8/ScriptHeapSnapshot.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2010, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ScriptHeapSnapshot.h"
+
+#include "InspectorValues.h"
+#include "V8Binding.h"
+#include <v8-profiler.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+String ScriptHeapSnapshot::title() const
+{
+    v8::HandleScope scope;
+    return toWebCoreString(m_snapshot->GetTitle());
+}
+
+unsigned int ScriptHeapSnapshot::uid() const
+{
+    return m_snapshot->GetUid();
+}
+
+static PassRefPtr<InspectorObject> buildInspectorObjectFor(const v8::HeapGraphNode* root)
+{
+    v8::HandleScope scope;
+    RefPtr<InspectorObject> result = InspectorObject::create();
+    RefPtr<InspectorObject> lowLevels = InspectorObject::create();
+    RefPtr<InspectorObject> entries = InspectorObject::create();
+    RefPtr<InspectorObject> children = InspectorObject::create();
+    for (int i = 0, count = root->GetChildrenCount(); i < count; ++i) {
+        const v8::HeapGraphNode* node = root->GetChild(i)->GetToNode();
+        if (node->GetType() == v8::HeapGraphNode::kInternal) {
+            RefPtr<InspectorObject> lowLevel = InspectorObject::create();
+            lowLevel->setNumber("count", node->GetInstancesCount());
+            lowLevel->setNumber("size", node->GetSelfSize());
+            lowLevel->setString("type", toWebCoreString(node->GetName()));
+            lowLevels->setObject(toWebCoreString(node->GetName()), lowLevel);
+        } else if (node->GetInstancesCount()) {
+            RefPtr<InspectorObject> entry = InspectorObject::create();
+            entry->setString("constructorName", toWebCoreString(node->GetName()));
+            entry->setNumber("count", node->GetInstancesCount());
+            entry->setNumber("size", node->GetSelfSize());
+            entries->setObject(toWebCoreString(node->GetName()), entry);
+        } else {
+            RefPtr<InspectorObject> entry = InspectorObject::create();
+            entry->setString("constructorName", toWebCoreString(node->GetName()));
+            for (int j = 0, count = node->GetChildrenCount(); j < count; ++j) {
+                const v8::HeapGraphEdge* v8Edge = node->GetChild(j);
+                const v8::HeapGraphNode* v8Child = v8Edge->GetToNode();
+                RefPtr<InspectorObject> child = InspectorObject::create();
+                child->setString("constructorName", toWebCoreString(v8Child->GetName()));
+                child->setNumber("count", v8Edge->GetName()->ToInteger()->Value());
+                entry->setObject(String::number(reinterpret_cast<unsigned long long>(v8Child)), child);
+            }
+            children->setObject(String::number(reinterpret_cast<unsigned long long>(node)), entry);
+        }
+    }
+    result->setObject("lowlevels", lowLevels);
+    result->setObject("entries", entries);
+    result->setObject("children", children);
+    return result.release();
+}
+
+PassRefPtr<InspectorObject> ScriptHeapSnapshot::buildInspectorObjectForHead() const
+{
+    return buildInspectorObjectFor(m_snapshot->GetRoot());
+}
+
+} // namespace WebCore