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Unified Diff: src/v8-global-context.cc

Issue 435003: Patch for allowing several V8 instances in process:... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years ago
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Index: src/v8-global-context.cc
===================================================================
--- src/v8-global-context.cc (revision 0)
+++ src/v8-global-context.cc (revision 0)
@@ -0,0 +1,204 @@
+// Copyright 2009 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 "v8.h"
+#include "allocation.h"
+#include "api.h"
+#include "bootstrapper.h"
+#include "compilation-cache.h"
+#include "compiler.h"
+#include "debug.h"
+#include "disassembler.h"
+#include "execution.h"
+#include "global-handles.h"
+#include "jump-target.h"
+#include "mark-compact.h"
+#include "objects.h"
+#include "regexp-stack.h"
+#include "scanner.h"
+#include "scopeinfo.h"
+#include "serialize.h"
+#include "stub-cache.h"
+#include "top.h"
+#include "v8threads.h"
+
+namespace v8 {
+
+internal::Thread::LocalStorageKey context_key =
+ internal::Thread::CreateThreadLocalKey();
+
+internal::V8Context* default_context;
+internal::V8Context v8context;
+V8ContextBinder default_context_binder(&v8context, true);
+bool using_one_v8_instance = true;
+
+AllowSeveralV8InstancesInProcess::AllowSeveralV8InstancesInProcess() {
+ using_one_v8_instance = false;
+}
+
+AllowSeveralV8InstancesInProcess::~AllowSeveralV8InstancesInProcess() {
+}
+
+void BindContext(internal::V8Context* context,
+ bool bind_default = using_one_v8_instance) {
+ if (bind_default) {
+ default_context = context;
+ } else {
+ ASSERT(v8_context() != context);
+ internal::Thread::SetThreadLocal(context_key, context);
+ }
+}
+
+V8ContextProvider::V8ContextProvider()
+ :v8context_(new internal::V8Context()) {
+}
+
+V8ContextProvider::~V8ContextProvider() { delete v8context_; }
+
+V8ContextBinder::V8ContextBinder(internal::V8Context* v8context,
+ bool bind_default)
+ :v8context_(v8context), bound_default_(bind_default) {
+ BindContext(v8context_, bind_default);
+}
+
+V8ContextBinder::~V8ContextBinder() {
+ BindContext(NULL, bound_default_);
+}
+
+internal::V8Context::V8Context()
+ :thread_manager_data_(*new ThreadManagerData()),
+ heap_data_(*new HeapData()),
+ v8_data_(*new V8Data()),
+ transcendental_cache_data_(*new TranscendentalCacheData()),
+ descriptor_lookup_cache_data_(*new DescriptorLookupCacheData()),
+ keyed_lookup_cache_data_(*new KeyedLookupCacheData()),
+ stack_guard_data_(*new StackGuardData()),
+ top_data_(*new TopData()),
+ reg_exp_stack_data_(*new RegExpStackData()),
+ serializer_data_(*new SerializerData()),
+ context_slot_cache_data_(*new ContextSlotCacheData()),
+ handle_scope_implementer_(*new HandleScopeImplementer()),
+ handle_scope_data_(*new ImplementationUtilities::HandleScopeData()),
+ stub_cache_data_(*new StubCacheData()),
+ compilation_cache_data_(*new CompilationCacheData()),
+ global_handles_data_(*new GlobalHandlesData()),
+ memory_allocator_data_(*new MemoryAllocatorData()),
+ code_range_data_(*new CodeRangeData()),
+ mark_compact_collector_data_(*new MarkCompactCollectorData()),
+ relocatable_data_(*new RelocatableData()),
+ code_generator_data_(*new CodeGeneratorData()),
+ bootstrapper_data_(*new BootstrapperData()),
+ compiler_data_(*new CompilerData()),
+ scanner_data_(*new ScannerData()),
+ storage_data_(*new StorageData()),
+ builtins_data_(*new BuiltinsData()),
+ api_data_(*new ApiData()),
+ objects_data_(*new ObjectsData()),
+ stats_table_data_(*new StatsTableData()),
+ runtime_data_(NULL),
+ assembler_data_(NULL),
+ counters_(*new Counters()),
+ logger_data_(*new LoggerData()),
+ log_data_(*new LogData()),
+#ifdef ENABLE_DEBUGGER_SUPPORT
+ debugger_data_(*new DebuggerData()),
+ debug_data_(*new DebugData()),
+#endif
+ zone_data_(*new ZoneData()) {
+ handle_scope_data_.Initialize();
+ // explicitly bind during construction
+ V8Context* const prev_v8_context = v8_context();
+ BindContext(this);
+
+ StackGuard::PostConstruct();
+ Top::PostConstruct();
+ Runtime::PostConstruct();
+ Assembler::PostConstruct();
+
+ #ifdef ENABLE_DISASSEMBLER
+ Disassembler::PostConstruct();
+ #endif
+
+ BindContext(prev_v8_context);
+}
+
+internal::V8Context::~V8Context() {
+ // explicitly bind during destruction
+ BindContext(this);
+
+ internal::ThreadManager::FreeThreadResources();
+ Top::PreDestroy();
+ StackGuard::PreDestroy();
+
+ Runtime::PreDestroy();
+ Assembler::PreDestroy();
+ #ifdef ENABLE_DISASSEMBLER
+ Disassembler::PreDestroy();
+ #endif
+
+ delete &thread_manager_data_;
+ delete &v8_data_;
+ delete &heap_data_;
+ delete &transcendental_cache_data_;
+ delete &descriptor_lookup_cache_data_;
+ delete &keyed_lookup_cache_data_;
+ delete &zone_data_;
+ delete &top_data_;
+ delete &stack_guard_data_;
+ delete &reg_exp_stack_data_;
+ delete &serializer_data_;
+ delete &context_slot_cache_data_;
+ delete &handle_scope_implementer_;
+ delete &handle_scope_data_;
+ delete &stub_cache_data_;
+ delete &compilation_cache_data_;
+ delete &global_handles_data_;
+ delete &memory_allocator_data_;
+ delete &code_range_data_;
+ delete &mark_compact_collector_data_;
+ delete &relocatable_data_;
+ delete &code_generator_data_;
+ delete &bootstrapper_data_;
+ delete &scanner_data_;
+ delete &compiler_data_;
+ delete &storage_data_;
+ delete &stats_table_data_;
+ delete &api_data_;
+ delete &objects_data_;
+ delete &builtins_data_;
+ delete &counters_;
+ delete &logger_data_;
+ delete &log_data_;
+
+#ifdef ENABLE_DEBUGGER_SUPPORT
+ delete &debugger_data_;
+ delete &debug_data_;
+#endif
+ BindContext(NULL);
+}
+}
+
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