Compress memory usage. Imprive speed of finding exception handlers: if a code does not have any han…

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 8606 matching lines @@
 void Code::Comments::SetCommentAt(intptr_t idx, const String& comment) {
   comments_.SetAt(idx * kNumberOfEntries + kCommentEntry, comment);
 }
 
 
 Code::Comments::Comments(const Array& comments)
     : comments_(comments) {
 }
 
 
+void Code::set_state_bits(intptr_t bits) const {
+  raw_ptr()->state_bits_ = bits;
+}
+
+
+void Code::set_is_optimized(bool value) const {
+  set_state_bits(OptimizedBit::update(value, raw_ptr()->state_bits_));
+}
+
+
+void Code::set_is_alive(bool value) const {
+  set_state_bits(AliveBit::update(value, raw_ptr()->state_bits_));
+}
+
+
 void Code::set_stackmaps(const Array& maps) const {
   ASSERT(maps.IsOld());
   StorePointer(&raw_ptr()->stackmaps_, maps.raw());
 }
 
 
 void Code::set_deopt_info_array(const Array& array) const {
   ASSERT(array.IsOld());
   StorePointer(&raw_ptr()->deopt_info_array_, array.raw());
 }
@@ skipping 6231 matching lines @@
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
 
 }  // namespace dart