regis@google.com
e860f819a0
in order to save space in function objects. Naming cleanup. Review URL: https://codereview.chromium.org//10928160 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@12288 260f80e4-7a28-3924-810f-c04153c831b5
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/bootstrap_natives.h"
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#include "vm/exceptions.h"
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#include "vm/native_entry.h"
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#include "vm/object.h"
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namespace dart {
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DEFINE_NATIVE_ENTRY(Object_toString, 1) {
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const Instance& instance = Instance::CheckedHandle(arguments->At(0));
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const char* c_str = instance.ToCString();
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return String::New(c_str);
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}
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DEFINE_NATIVE_ENTRY(Object_noSuchMethod, 3) {
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const Instance& instance = Instance::CheckedHandle(arguments->At(0));
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GET_NATIVE_ARGUMENT(String, function_name, arguments->At(1));
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GET_NATIVE_ARGUMENT(Array, func_args, arguments->At(2));
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if (instance.IsNull()) {
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GrowableArray<const Object*> args;
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args.Add(&function_name);
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args.Add(&func_args);
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Exceptions::ThrowByType(Exceptions::kNullPointer, args);
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}
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GrowableArray<const Object*> dart_arguments(3);
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dart_arguments.Add(&instance);
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dart_arguments.Add(&function_name);
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dart_arguments.Add(&func_args);
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// Report if a function with same name (but different arguments) has been
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// found.
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Class& instance_class = Class::Handle(instance.clazz());
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Function& function =
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Function::Handle(instance_class.LookupDynamicFunction(function_name));
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while (function.IsNull()) {
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instance_class = instance_class.SuperClass();
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if (instance_class.IsNull()) break;
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function = instance_class.LookupDynamicFunction(function_name);
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}
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if (!function.IsNull()) {
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const int total_num_parameters = function.NumParameters();
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const Array& array = Array::Handle(Array::New(total_num_parameters - 1));
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// Skip receiver.
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for (int i = 1; i < total_num_parameters; i++) {
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array.SetAt(i - 1, String::Handle(function.ParameterNameAt(i)));
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}
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dart_arguments.Add(&array);
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}
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Exceptions::ThrowByType(Exceptions::kNoSuchMethod, dart_arguments);
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return Object::null();
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}
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} // namespace dart
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