VM support for running Kernel binaries.

runtime/vm/dart_entry.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/dart_entry.h"
 
 #include "vm/class_finalizer.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/debugger.h"
@@ skipping 281 matching lines @@
 RawString* ArgumentsDescriptor::NameAt(intptr_t index) const {
   const intptr_t offset = kFirstNamedEntryIndex +
                           (index * kNamedEntrySize) +
                           kNameOffset;
   String& result = String::Handle();
   result ^= array_.At(offset);
   return result.raw();
 }
 
 
+intptr_t ArgumentsDescriptor::PositionAt(intptr_t index) const {
+  const intptr_t offset = kFirstNamedEntryIndex +
+                          (index * kNamedEntrySize) +
+                          kPositionOffset;
+  return Smi::Value(Smi::RawCast(array_.At(offset)));
+}
+
+
 bool ArgumentsDescriptor::MatchesNameAt(intptr_t index,
                                         const String& other) const {
   return NameAt(index) == other.raw();
 }
 
 
 intptr_t ArgumentsDescriptor::count_offset() {
   return Array::element_offset(kCountIndex);
 }
 
@@ skipping 300 matching lines @@
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, map);
   args.SetAt(1, key);
   args.SetAt(2, value);
   const Object& result = Object::Handle(DartEntry::InvokeFunction(function,
                                                                   args));
   return result.raw();
 }
 
 }  // namespace dart