[interpreter] Add basic framework for bytecode handler code generation.

src/isolate.cc

 // Copyright 2012 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.
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/base/platform/platform.h"
 #include "src/base/sys-info.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/basic-block-profiler.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/compilation-cache.h"
 #include "src/compilation-statistics.h"
 #include "src/cpu-profiler.h"
 #include "src/debug.h"
 #include "src/deoptimizer.h"
 #include "src/heap/spaces.h"
 #include "src/heap-profiler.h"
 #include "src/hydrogen.h"
 #include "src/ic/stub-cache.h"
+#include "src/interpreter/interpreter.h"
 #include "src/lithium-allocator.h"
 #include "src/log.h"
 #include "src/messages.h"
 #include "src/prototype.h"
 #include "src/regexp-stack.h"
 #include "src/runtime-profiler.h"
 #include "src/sampler.h"
 #include "src/scopeinfo.h"
 #include "src/simulator.h"
 #include "src/snapshot/serialize.h"
@@ skipping 1846 matching lines @@
   DumpAndResetCompilationStats();
 
   if (FLAG_print_deopt_stress) {
     PrintF(stdout, "=== Stress deopt counter: %u\n", stress_deopt_count_);
   }
 
   // We must stop the logger before we tear down other components.
   Sampler* sampler = logger_->sampler();
   if (sampler && sampler->IsActive()) sampler->Stop();
 
+  delete interpreter_;
+  interpreter_ = NULL;
+
   delete deoptimizer_data_;
   deoptimizer_data_ = NULL;
   builtins_.TearDown();
   bootstrapper_->TearDown();
 
   if (runtime_profiler_ != NULL) {
     delete runtime_profiler_;
     runtime_profiler_ = NULL;
   }
 
@@ skipping 205 matching lines @@
   handle_scope_implementer_ = new HandleScopeImplementer(this);
   stub_cache_ = new StubCache(this);
   materialized_object_store_ = new MaterializedObjectStore(this);
   regexp_stack_ = new RegExpStack();
   regexp_stack_->isolate_ = this;
   date_cache_ = new DateCache();
   call_descriptor_data_ =
       new CallInterfaceDescriptorData[CallDescriptors::NUMBER_OF_DESCRIPTORS];
   cpu_profiler_ = new CpuProfiler(this);
   heap_profiler_ = new HeapProfiler(heap());
+  interpreter_ = new interpreter::Interpreter(this);
 
   // Enable logging before setting up the heap
   logger_->SetUp(this);
 
   // Initialize other runtime facilities
 #if defined(USE_SIMULATOR)
 #if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_MIPS || \
     V8_TARGET_ARCH_MIPS64 || V8_TARGET_ARCH_PPC
   Simulator::Initialize(this);
 #endif
@@ skipping 27 matching lines @@
   if (create_heap_objects) {
     // Terminate the cache array with the sentinel so we can iterate.
     partial_snapshot_cache_.Add(heap_.undefined_value());
   }
 
   InitializeThreadLocal();
 
   bootstrapper_->Initialize(create_heap_objects);
   builtins_.SetUp(this, create_heap_objects);
 
+  if (FLAG_ignition) {
+    interpreter_->Initialize(create_heap_objects);
+  }
+
   if (FLAG_log_internal_timer_events) {
     set_event_logger(Logger::DefaultEventLoggerSentinel);
   }
 
   if (FLAG_trace_hydrogen || FLAG_trace_hydrogen_stubs) {
     PrintF("Concurrent recompilation has been disabled for tracing.\n");
   } else if (OptimizingCompileDispatcher::Enabled()) {
     optimizing_compile_dispatcher_ = new OptimizingCompileDispatcher(this);
   }
 
@@ skipping 631 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8