--- /dev/null
+// Copyright 2010 the V8 project authors. 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 "statistics-extension.h"
+
+namespace v8 {
+namespace internal {
+
+const char* const StatisticsExtension::kSource =
+ "native function getV8Statistics();";
+
+
+v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunction(
+ v8::Handle<v8::String> str) {
+ ASSERT(strcmp(*v8::String::AsciiValue(str), "getV8Statistics") == 0);
+ return v8::FunctionTemplate::New(StatisticsExtension::GetCounters);
+}
+
+
+v8::Handle<v8::Value> StatisticsExtension::GetCounters(
+ const v8::Arguments& args) {
+ Isolate* isolate = Isolate::Current();
+ Heap* heap = isolate->heap();
+ if (args.Length() > 0) { // GC if first argument evaluates to true.
+ if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) {
+ heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension");
+ }
+ }
+
+ Counters* counters = isolate->counters();
+ v8::Local<v8::Object> result = v8::Object::New();
+
+ StatsCounter* counter = NULL;
+
+#define ADD_COUNTER(name, caption) \
+ counter = counters->name(); \
+ if (counter->Enabled()) \
+ result->Set(v8::String::New(#name), \
+ v8::Number::New(*counter->GetInternalPointer()));
+
+ STATS_COUNTER_LIST_1(ADD_COUNTER)
+ STATS_COUNTER_LIST_2(ADD_COUNTER)
+#undef ADD_COUNTER
+#define ADD_COUNTER(name) \
+ counter = counters->count_of_##name(); \
+ if (counter->Enabled()) \
+ result->Set(v8::String::New("count_of_" #name), \
+ v8::Number::New(*counter->GetInternalPointer())); \
+ counter = counters->size_of_##name(); \
+ if (counter->Enabled()) \
+ result->Set(v8::String::New("size_of_" #name), \
+ v8::Number::New(*counter->GetInternalPointer()));
+
+ INSTANCE_TYPE_LIST(ADD_COUNTER)
+#undef ADD_COUNTER
+#define ADD_COUNTER(name) \
+ result->Set(v8::String::New("count_of_CODE_TYPE_" #name), \
+ v8::Number::New( \
+ *counters->count_of_CODE_TYPE_##name()->GetInternalPointer())); \
+ result->Set(v8::String::New("size_of_CODE_TYPE_" #name), \
+ v8::Number::New( \
+ *counters->size_of_CODE_TYPE_##name()->GetInternalPointer()));
+
+ CODE_KIND_LIST(ADD_COUNTER)
+#undef ADD_COUNTER
+
+ return result;
+}
+
+
+void StatisticsExtension::Register() {
+ static StatisticsExtension statistics_extension;
+ static v8::DeclareExtension declaration(&statistics_extension);
+}
+
+} } // namespace v8::internal
--- /dev/null
+// Copyright 2010 the V8 project authors. 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.
+
+#ifndef V8_EXTENSIONS_STATISTICS_EXTENSION_H_
+#define V8_EXTENSIONS_STATISTICS_EXTENSION_H_
+
+#include "v8.h"
+
+namespace v8 {
+namespace internal {
+
+class StatisticsExtension : public v8::Extension {
+ public:
+ StatisticsExtension() : v8::Extension("v8/statistics", kSource) {}
+ virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
+ v8::Handle<v8::String> name);
+ static v8::Handle<v8::Value> GetCounters(const v8::Arguments& args);
+ static void Register();
+ private:
+ static const char* const kSource;
+};
+
+} } // namespace v8::internal
+
+#endif // V8_EXTENSIONS_STATISTICS_EXTENSION_H_
projects / platform / upstream / v8.git / commitdiff