Cleaned up usage of Function::code, since it may be misunderstood that it points to the only Code o…

runtime/vm/stack_frame.cc

 // Copyright (c) 2011, 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 "vm/code_index_table.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 30 matching lines @@
   visitor->VisitPointers(reinterpret_cast<RawObject**>(sp()),
                          reinterpret_cast<RawObject**>(fp() - kWordSize));
 }
 
 
 RawFunction* DartFrame::LookupDartFunction() const {
   // Get access to the code index table.
   ASSERT(Isolate::Current() != NULL);
   CodeIndexTable* code_index_table = Isolate::Current()->code_index_table();
   ASSERT(code_index_table != NULL);
-  return code_index_table->LookupFunction(pc());
+  return Code::Handle(code_index_table->LookupCode(pc())).function();
 }
 
 
 RawCode* DartFrame::LookupDartCode() const {
   // Get access to the code index table.
   ASSERT(Isolate::Current() != NULL);
   CodeIndexTable* code_index_table = Isolate::Current()->code_index_table();
   ASSERT(code_index_table != NULL);
   return code_index_table->LookupCode(pc());
 }
@@ skipping 28 matching lines @@
   }
   return false;
 }
 
 
 bool StubFrame::IsValid() const {
   // Get access to the code index table.
   ASSERT(Isolate::Current() != NULL);
   CodeIndexTable* code_index_table = Isolate::Current()->code_index_table();
   ASSERT(code_index_table != NULL);
-  return code_index_table->LookupFunction(pc()) == Function::null();
+  return Code::Handle(code_index_table->LookupCode(pc())).IsNull();
 }
 
 
 void StubFrame::VisitObjectPointers(ObjectPointerVisitor* visitor) {
   // Visit objects between SP and FP.
   ASSERT(visitor != NULL);
   visitor->VisitPointers(reinterpret_cast<RawObject**>(sp()),
                          reinterpret_cast<RawObject**>(fp() - kWordSize));
 }
 
@@ skipping 76 matching lines @@
 EntryFrame* StackFrameIterator::NextEntryFrame() {
   ASSERT(!frames_.HasNext());
   entry_.sp_ = frames_.sp_;
   entry_.fp_ = frames_.fp_;
   SetupNextExitFrameData();  // Setup data for next exit frame in chain.
   ASSERT(entry_.IsValid());
   return &entry_;
 }
 
 }  // namespace dart