Migrate LongJumpScope to Thread.

runtime/vm/isolate.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/atomic.h"
@@ skipping 33 matching lines @@
 class HandleScope;
 class HandleVisitor;
 class Heap;
 class ICData;
 class Instance;
 class IsolateProfilerData;
 class IsolateSpawnState;
 class InterruptableThreadState;
 class Library;
 class Log;
-class LongJumpScope;
 class MessageHandler;
 class Mutex;
 class Object;
 class ObjectIdRing;
 class ObjectPointerVisitor;
 class ObjectStore;
 class PcDescriptors;
 class RawInstance;
 class RawArray;
 class RawContext;
@@ skipping 166 matching lines @@
   void set_vm_tag(uword tag) {
     vm_tag_ = tag;
   }
   static intptr_t vm_tag_offset() {
     return OFFSET_OF(Isolate, vm_tag_);
   }
 
   ApiState* api_state() const { return api_state_; }
   void set_api_state(ApiState* value) { api_state_ = value; }
 
-  LongJumpScope* long_jump_base() const { return long_jump_base_; }
-  void set_long_jump_base(LongJumpScope* value) { long_jump_base_ = value; }
-
   TimerList& timer_list() { return timer_list_; }
 
   void set_init_callback_data(void* value) {
     init_callback_data_ = value;
   }
   void* init_callback_data() const {
     return init_callback_data_;
   }
 
   Dart_EnvironmentCallback environment_callback() const {
@@ skipping 10 matching lines @@
     library_tag_handler_ = value;
   }
 
   void InitializeStackLimit();
   void SetStackLimit(uword value);
   void SetStackLimitFromStackBase(uword stack_base);
   void ClearStackLimit();
 
   // Returns the current C++ stack pointer. Equivalent taking the address of a
   // stack allocated local, but plays well with AddressSanitizer.
+  // TODO(koda): Move to Thread.
   static uword GetCurrentStackPointer();
 
   // Returns true if any of the interrupts specified by 'interrupt_bits' are
   // currently scheduled for this isolate, but leaves them unchanged.
   //
   // NOTE: The read uses relaxed memory ordering, i.e., it is atomic and
   // an interrupt is guaranteed to be observed eventually, but any further
   // order guarantees must be ensured by other synchronization. See the
   // tests in isolate_test.cc for example usage.
   bool HasInterruptsScheduled(uword interrupt_bits) {
@@ skipping 532 matching lines @@
   Dart_EnvironmentCallback environment_callback_;
   Dart_LibraryTagHandler library_tag_handler_;
   ApiState* api_state_;
   Debugger* debugger_;
   bool single_step_;
   bool resume_request_;
   bool has_compiled_;
   Flags flags_;
   Random random_;
   Simulator* simulator_;
-  LongJumpScope* long_jump_base_;
   TimerList timer_list_;
   intptr_t deopt_id_;
   Mutex* mutex_;  // protects stack_limit_ and saved_stack_limit_.
   uword stack_limit_;
   uword saved_stack_limit_;
   uword stack_base_;
   uword stack_overflow_flags_;
   int32_t stack_overflow_count_;
   MessageHandler* message_handler_;
   IsolateSpawnState* spawn_state_;
@@ skipping 253 matching lines @@
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_