Preparation for moving reusable handles to thread and more cleanups: isolate -> thread based handle…

runtime/vm/stack_frame.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/stack_frame.h"
 
 #include "platform/memory_sanitizer.h"
 #include "vm/assembler.h"
 #include "vm/deopt_instructions.h"
 #include "vm/isolate.h"
@@ skipping 185 matching lines @@
 RawCode* StackFrame::GetCodeObject() const {
   const uword pc_marker =
       *(reinterpret_cast<uword*>(fp() + (kPcMarkerSlotFromFp * kWordSize)));
   ASSERT(pc_marker != 0);
   ASSERT(reinterpret_cast<RawObject*>(pc_marker)->GetClassId() == kCodeCid ||
          reinterpret_cast<RawObject*>(pc_marker) == Object::null());
   return reinterpret_cast<RawCode*>(pc_marker);
 }
 
 
-bool StackFrame::FindExceptionHandler(Isolate* isolate,
+bool StackFrame::FindExceptionHandler(Thread* thread,
                                       uword* handler_pc,
                                       bool* needs_stacktrace,
                                       bool* has_catch_all) const {
+  Isolate* isolate = thread->isolate();
   REUSABLE_CODE_HANDLESCOPE(isolate);
   Code& code = reused_code_handle.Handle();
   code = LookupDartCode();
   if (code.IsNull()) {
     return false;  // Stub frames do not have exception handlers.
   }
   uword pc_offset = pc() - code.EntryPoint();
 
   REUSABLE_EXCEPTION_HANDLERS_HANDLESCOPE(isolate);
   ExceptionHandlers& handlers = reused_exception_handlers_handle.Handle();
@@ skipping 276 matching lines @@
     if (deopt_instr->kind() == DeoptInstr::kCallerFp) {
       return (index - num_materializations_);
     }
   }
   UNREACHABLE();
   return 0;
 }
 
 
 }  // namespace dart