Rename GET_NATIVE_ARGUMENT macro to GET_NON_NULL_NATIVE_ARGUMENT.

runtime/lib/error.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 "lib/error.h"
 
 #include "vm/bootstrap_natives.h"
 #include "vm/exceptions.h"
 #include "vm/object_store.h"
 #include "vm/runtime_entry.h"
@@ skipping 64 matching lines @@
                                       dst_type_name, dst_name, type_error);
   UNREACHABLE();
   return Object::null();
 }
 
 
 // Allocate and throw a new FallThroughError.
 // Arg0: index of the case clause token into which we fall through.
 // Return value: none, throws an exception.
 DEFINE_NATIVE_ENTRY(FallThroughError_throwNew, 1) {
-  GET_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
   intptr_t fallthrough_pos = smi_pos.Value();
 
   // Allocate a new instance of type FallThroughError.
   const Instance& fallthrough_error = Instance::Handle(Exceptions::NewInstance(
       "FallThroughErrorImplementation"));
   ASSERT(!fallthrough_error.IsNull());
 
   // Initialize 'url' and 'line' fields.
   DartFrameIterator iterator;
   iterator.NextFrame();  // Skip native call.
@@ skipping 11 matching lines @@
   UNREACHABLE();
   return Object::null();
 }
 
 
 // Allocate and throw a new AbstractClassInstantiationError.
 // Arg0: Token position of allocation statement.
 // Arg1: class name of the abstract class that cannot be instantiated.
 // Return value: none, throws an exception.
 DEFINE_NATIVE_ENTRY(AbstractClassInstantiationError_throwNew, 2) {
-  GET_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
-  GET_NATIVE_ARGUMENT(String, class_name, arguments->NativeArgAt(1));
+  GET_NON_NULL_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(String, class_name, arguments->NativeArgAt(1));
   intptr_t error_pos = smi_pos.Value();
 
   // Allocate a new instance of type AbstractClassInstantiationError.
   const Instance& error = Instance::Handle(Exceptions::NewInstance(
       "AbstractClassInstantiationErrorImplementation"));
   ASSERT(!error.IsNull());
 
   // Initialize 'url', 'line' and 'className' fields.
   DartFrameIterator iterator;
   iterator.NextFrame();  // Skip native call.
@@ skipping 10 matching lines @@
   UNREACHABLE();
   return Object::null();
 }
 
 
 // Allocate and throw NoSuchMethodError.
 // Arg0: index of the call that was not resolved at compile time.
 // Arg1: name of the method that was not resolved at compile time.
 // Return value: none, throws an exception.
 DEFINE_NATIVE_ENTRY(NoSuchMethodError_throwNew, 2) {
-  GET_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
-  GET_NATIVE_ARGUMENT(String, function_name, arguments->NativeArgAt(1));
+  GET_NON_NULL_NATIVE_ARGUMENT(Smi, smi_pos, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(
+      String, function_name, arguments->NativeArgAt(1));
   intptr_t call_pos = smi_pos.Value();
   // Allocate a new instance of type NoSuchMethodError.
   const Instance& error = Instance::Handle(
       Exceptions::NewInstance("NoSuchMethodErrorImplementation"));
   ASSERT(!error.IsNull());
 
   // Initialize 'url', 'line', and 'column' fields.
   DartFrameIterator iterator;
   iterator.NextFrame();  // Skip native call.
   const Script& script = Script::Handle(Exceptions::GetCallerScript(&iterator));
   const Class& cls = Class::Handle(error.clazz());
   Exceptions::SetLocationFields(error, cls, script, call_pos);
   Exceptions::SetField(error, cls, "functionName", function_name);
 
   intptr_t line, column;
   script.GetTokenLocation(call_pos, &line, &column);
   Exceptions::SetField(error, cls, "failedResolutionLine",
                        String::Handle(script.GetLine(line)));
 
   Exceptions::Throw(error);
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart