Ivan Posva
5be5d54529
- Preallocate all tokens as symbols to avoid repeated lookups. - Pass thread/zone where useful while doing this change. - Avoid allocating symbols for error messages. BUG= R=fschneider@google.com Review URL: https://codereview.chromium.org/1870343002 .
44 lines
1.5 KiB
C++
44 lines
1.5 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/runtime_entry.h"
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#include "vm/object.h"
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#include "vm/symbols.h"
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#include "vm/verifier.h"
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namespace dart {
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// Add function to a class and that class to the class dictionary so that
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// frame walking can be used.
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const Function& RegisterFakeFunction(const char* name, const Code& code) {
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Thread* thread = Thread::Current();
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const String& class_name = String::Handle(Symbols::New(thread, "ownerClass"));
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const Script& script = Script::Handle();
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const Class& owner_class =
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Class::Handle(Class::New(class_name, script,
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TokenPosition::kNoSource));
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const String& function_name = String::ZoneHandle(Symbols::New(thread, name));
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const Function& function = Function::ZoneHandle(
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Function::New(function_name,
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RawFunction::kRegularFunction,
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true,
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false,
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false,
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false,
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false,
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owner_class,
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TokenPosition::kMinSource));
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const Array& functions = Array::Handle(Array::New(1));
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functions.SetAt(0, function);
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owner_class.SetFunctions(functions);
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Library& lib = Library::Handle(Library::CoreLibrary());
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lib.AddClass(owner_class);
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function.AttachCode(code);
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return function;
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}
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} // namespace dart
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