Replace intptr_t with TokenDescriptor

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 222 matching lines @@
       *handler_pc = code.EntryPoint() + handler_info.handler_pc_offset;
       *needs_stacktrace = handler_info.needs_stacktrace;
       *has_catch_all = handler_info.has_catch_all;
       return true;
     }
   }
   return false;
 }
 
 
-intptr_t StackFrame::GetTokenPos() const {
+TokenPosition StackFrame::GetTokenPos() const {
   const Code& code = Code::Handle(LookupDartCode());
   if (code.IsNull()) {
-    return -1;  // Stub frames do not have token_pos.
+    return TokenPosition::kNoSource;  // Stub frames do not have token_pos.
   }
   uword pc_offset = pc() - code.EntryPoint();
   const PcDescriptors& descriptors =
       PcDescriptors::Handle(code.pc_descriptors());
   ASSERT(!descriptors.IsNull());
   PcDescriptors::Iterator iter(descriptors, RawPcDescriptors::kAnyKind);
   while (iter.MoveNext()) {
     if (iter.PcOffset() == pc_offset) {
-      return iter.TokenPos();
+      return TokenPosition(iter.TokenPos());
     }
   }
-  return -1;
+  return TokenPosition::kNoSource;
 }
 
 
 bool StackFrame::IsValid() const {
   if (IsEntryFrame() || IsExitFrame() || IsStubFrame()) {
     return true;
   }
   return (LookupDartCode() != Code::null());
 }
 
@@ skipping 225 matching lines @@
     if (deopt_instr->kind() == DeoptInstr::kCallerFp) {
       return (index - num_materializations_);
     }
   }
   UNREACHABLE();
   return 0;
 }
 
 
 }  // namespace dart