Add exception handler cache to isolate

runtime/vm/object.h

 // 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.
 
 #ifndef RUNTIME_VM_OBJECT_H_
 #define RUNTIME_VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 4475 matching lines @@
   friend class Class;
 };
 
 
 class ExceptionHandlers : public Object {
  public:
   static const intptr_t kInvalidPcOffset = 0;
 
   intptr_t num_entries() const;
 
-  void GetHandlerInfo(intptr_t try_index,
-                      RawExceptionHandlers::HandlerInfo* info) const;
+  void GetHandlerInfo(intptr_t try_index, HandlerInfo* info) const;
 
   uword HandlerPCOffset(intptr_t try_index) const;
   intptr_t OuterTryIndex(intptr_t try_index) const;
   bool NeedsStackTrace(intptr_t try_index) const;
 
   void SetHandlerInfo(intptr_t try_index,
                       intptr_t outer_try_index,
                       uword handler_pc_offset,
                       bool needs_stacktrace,
                       bool has_catch_all) const;
 
   RawArray* GetHandledTypes(intptr_t try_index) const;
   void SetHandledTypes(intptr_t try_index, const Array& handled_types) const;
   bool HasCatchAll(intptr_t try_index) const;
 
   static intptr_t InstanceSize() {
     ASSERT(sizeof(RawExceptionHandlers) ==
            OFFSET_OF_RETURNED_VALUE(RawExceptionHandlers, data));
     return 0;
   }
   static intptr_t InstanceSize(intptr_t len) {
-    return RoundedAllocationSize(
-        sizeof(RawExceptionHandlers) +
-        (len * sizeof(RawExceptionHandlers::HandlerInfo)));
+    return RoundedAllocationSize(sizeof(RawExceptionHandlers) +
+                                 (len * sizeof(HandlerInfo)));
   }
 
   static RawExceptionHandlers* New(intptr_t num_handlers);
   static RawExceptionHandlers* New(const Array& handled_types_data);
 
   // We would have a VisitPointers function here to traverse the
   // exception handler table to visit objects if any in the table.
 
  private:
   // Pick somewhat arbitrary maximum number of exception handlers
@@ skipping 4369 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_H_