dart-sdk/runtime/vm/runtime_entry.cc
John McCutchan 48c8ffa7f3 Initial isolate reload support
This is a cut of the work that Todd and I collaborated on in the reload branch.

In this CL, we've dropped the loader port hacks, in other words, on stack reloading in the standalone embedder does not work yet.

- [x] Support for hot reloading of isolate source code
- [x] Unit test harness and many tests
- [x] Service protocol and Observatory support
- [x] Product build does not include support for hot reloading.

R=rmacnak@google.com

Review URL: https://codereview.chromium.org/1965823002 .
2016-05-17 12:19:06 -07:00

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C++

// 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/runtime_entry.h"
#include "vm/object.h"
#include "vm/symbols.h"
#include "vm/verifier.h"
namespace dart {
// Add function to a class and that class to the class dictionary so that
// frame walking can be used.
const Function& RegisterFakeFunction(const char* name, const Code& code) {
Thread* thread = Thread::Current();
const String& class_name = String::Handle(Symbols::New(thread, "ownerClass"));
const Script& script = Script::Handle();
const Library& lib = Library::Handle(Library::CoreLibrary());
const Class& owner_class =
Class::Handle(Class::New(lib, class_name, script,
TokenPosition::kNoSource));
const String& function_name = String::ZoneHandle(Symbols::New(thread, name));
const Function& function = Function::ZoneHandle(
Function::New(function_name,
RawFunction::kRegularFunction,
true,
false,
false,
false,
false,
owner_class,
TokenPosition::kMinSource));
const Array& functions = Array::Handle(Array::New(1));
functions.SetAt(0, function);
owner_class.SetFunctions(functions);
lib.AddClass(owner_class);
function.AttachCode(code);
return function;
}
} // namespace dart