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authorRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
committerRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
commit40c0f755c998d2615fe8466aab20c6d81bd463e7 (patch)
tree51fcb08ba1bd3f745ceb43fd5f814a5700079881 /deps/v8/src/bootstrapper.h
parenta93cf503073ba0258c55dec4dc325bdc1509b739 (diff)
downloadnode-new-40c0f755c998d2615fe8466aab20c6d81bd463e7.tar.gz
import full versions of dependency libraries!
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+// Copyright 2006-2008 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_BOOTSTRAPPER_H_
+#define V8_BOOTSTRAPPER_H_
+
+namespace v8 { namespace internal {
+
+// The Boostrapper is the public interface for creating a JavaScript global
+// context.
+class Bootstrapper : public AllStatic {
+ public:
+ // Requires: Heap::Setup has been called.
+ static void Initialize(bool create_heap_objects);
+ static void TearDown();
+
+ // Creates a JavaScript Global Context with initial object graph.
+ // The returned value is a global handle casted to V8Environment*.
+ static Handle<Context> CreateEnvironment(
+ Handle<Object> global_object,
+ v8::Handle<v8::ObjectTemplate> global_template,
+ v8::ExtensionConfiguration* extensions);
+
+ // Detach the environment from its outer global object.
+ static void DetachGlobal(Handle<Context> env);
+
+ // Traverses the pointers for memory management.
+ static void Iterate(ObjectVisitor* v);
+
+ // Accessors for the native scripts cache. Used in lazy loading.
+ static Handle<String> NativesSourceLookup(int index);
+ static bool NativesCacheLookup(Vector<const char> name,
+ Handle<JSFunction>* handle);
+ static void NativesCacheAdd(Vector<const char> name, Handle<JSFunction> fun);
+
+ // Append code that needs fixup at the end of boot strapping.
+ static void AddFixup(Code* code, MacroAssembler* masm);
+
+ // Tells whether bootstrapping is active.
+ static bool IsActive();
+
+ // Encoding/decoding support for fixup flags.
+ class FixupFlagsIsPCRelative: public BitField<bool, 0, 1> {};
+ class FixupFlagsUseCodeObject: public BitField<bool, 1, 1> {};
+ class FixupFlagsArgumentsCount: public BitField<uint32_t, 2, 32-2> {};
+
+ // Support for thread preemption.
+ static int ArchiveSpacePerThread();
+ static char* ArchiveState(char* to);
+ static char* RestoreState(char* from);
+};
+
+}} // namespace v8::internal
+
+#endif // V8_BOOTSTRAPPER_H_