Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/allocation-site-scopes.h b/src/allocation-site-scopes.h
new file mode 100644
index 0000000..836da43
--- /dev/null
+++ b/src/allocation-site-scopes.h
@@ -0,0 +1,101 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_ALLOCATION_SITE_SCOPES_H_
+#define V8_ALLOCATION_SITE_SCOPES_H_
+
+#include "src/ast.h"
+#include "src/handles.h"
+#include "src/objects.h"
+#include "src/zone.h"
+
+namespace v8 {
+namespace internal {
+
+
+// AllocationSiteContext is the base class for walking and copying a nested
+// boilerplate with AllocationSite and AllocationMemento support.
+class AllocationSiteContext {
+ public:
+ explicit AllocationSiteContext(Isolate* isolate) {
+ isolate_ = isolate;
+ }
+
+ Handle<AllocationSite> top() { return top_; }
+ Handle<AllocationSite> current() { return current_; }
+
+ bool ShouldCreateMemento(Handle<JSObject> object) { return false; }
+
+ Isolate* isolate() { return isolate_; }
+
+ protected:
+ void update_current_site(AllocationSite* site) {
+ *(current_.location()) = site;
+ }
+
+ void InitializeTraversal(Handle<AllocationSite> site) {
+ top_ = site;
+ current_ = Handle<AllocationSite>(*top_, isolate());
+ }
+
+ private:
+ Isolate* isolate_;
+ Handle<AllocationSite> top_;
+ Handle<AllocationSite> current_;
+};
+
+
+// AllocationSiteCreationContext aids in the creation of AllocationSites to
+// accompany object literals.
+class AllocationSiteCreationContext : public AllocationSiteContext {
+ public:
+ explicit AllocationSiteCreationContext(Isolate* isolate)
+ : AllocationSiteContext(isolate) { }
+
+ Handle<AllocationSite> EnterNewScope();
+ void ExitScope(Handle<AllocationSite> site, Handle<JSObject> object);
+};
+
+
+// AllocationSiteUsageContext aids in the creation of AllocationMementos placed
+// behind some/all components of a copied object literal.
+class AllocationSiteUsageContext : public AllocationSiteContext {
+ public:
+ AllocationSiteUsageContext(Isolate* isolate, Handle<AllocationSite> site,
+ bool activated)
+ : AllocationSiteContext(isolate),
+ top_site_(site),
+ activated_(activated) { }
+
+ inline Handle<AllocationSite> EnterNewScope() {
+ if (top().is_null()) {
+ InitializeTraversal(top_site_);
+ } else {
+ // Advance current site
+ Object* nested_site = current()->nested_site();
+ // Something is wrong if we advance to the end of the list here.
+ DCHECK(nested_site->IsAllocationSite());
+ update_current_site(AllocationSite::cast(nested_site));
+ }
+ return Handle<AllocationSite>(*current(), isolate());
+ }
+
+ inline void ExitScope(Handle<AllocationSite> scope_site,
+ Handle<JSObject> object) {
+ // This assert ensures that we are pointing at the right sub-object in a
+ // recursive walk of a nested literal.
+ DCHECK(object.is_null() || *object == scope_site->transition_info());
+ }
+
+ bool ShouldCreateMemento(Handle<JSObject> object);
+
+ private:
+ Handle<AllocationSite> top_site_;
+ bool activated_;
+};
+
+
+} } // namespace v8::internal
+
+#endif // V8_ALLOCATION_SITE_SCOPES_H_