/usr/include/gnash/vm/ExecutableCode.h is in gnash-dev 0.8.11~git20160109-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012
// Free Software Foundation, Inc.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef GNASH_EXECUTABLECODE_H
#define GNASH_EXECUTABLECODE_H
#include <vector>
#include <boost/noncopyable.hpp>
#include "ActionExec.h"
#include "Global_as.h"
#include "fn_call.h"
#include "ConstantPool.h"
namespace gnash {
/// Any executable code
class ExecutableCode : boost::noncopyable
{
public:
ExecutableCode(DisplayObject* t) : _target(t) {}
virtual void execute() = 0;
virtual ~ExecutableCode() {}
virtual void setReachable() const {}
/// Mark reachable resources (for the GC)
void markReachableResources() const {
setReachable();
if (_target) _target->setReachable();
}
DisplayObject* target() const {
return _target;
}
private:
DisplayObject* _target;
};
/// Global code (out of any function)
class GlobalCode : public ExecutableCode
{
public:
GlobalCode(const action_buffer& nBuffer, DisplayObject* nTarget)
:
ExecutableCode(nTarget),
buffer(nBuffer)
{}
virtual void execute() {
if (!target()->unloaded()) {
ActionExec exec(buffer, target()->get_environment());
exec();
}
}
private:
const action_buffer& buffer;
};
/// Event code
class EventCode : public ExecutableCode
{
public:
typedef std::vector<const action_buffer*> BufferList;
EventCode(DisplayObject* nTarget)
:
ExecutableCode(nTarget)
{}
EventCode(DisplayObject* nTarget, BufferList buffers)
:
ExecutableCode(nTarget),
_buffers(std::move(buffers))
{}
/// Add an action buffer to this event handler
//
/// @param buffer
/// An action buffer to execute. Externally owned
/// and not copied, so make sure it's kept
/// alive for the whole EventCode lifetime.
///
void addAction(const action_buffer& buffer) {
// don't push actions for destroyed DisplayObjects,
// our opcode guard is bogus at the moment.
if (!target()->isDestroyed()) {
_buffers.push_back(&buffer);
}
}
virtual void execute() {
for (const action_buffer* buffer : _buffers) {
// onClipEvents code are guarded by isDestroyed(),
// still might be also guarded by unloaded()
if (target()->isDestroyed()) break;
PoolGuard guard(getVM(target()->get_environment()), nullptr);
ActionExec exec(*buffer, target()->get_environment(), false);
exec();
}
}
private:
BufferList _buffers;
};
/// This class is used to queue a function call action
//
/// Exact use is to queue onLoadInit, which should be invoked
/// after actions of in first frame of a loaded movie are executed.
/// Since those actions are queued the only way to execute something
/// after them is to queue the function call as well.
///
/// The class might be made more general and accessible outside
/// of the MovieClipLoader class. For now it only works for
/// calling a function with a two argument.
///
class DelayedFunctionCall : public ExecutableCode
{
public:
DelayedFunctionCall(DisplayObject* target,
as_object* obj, ObjectURI name,
as_value arg1, as_value arg2)
:
ExecutableCode(target),
_obj(obj),
_name(std::move(name)),
_arg1(std::move(arg1)),
_arg2(std::move(arg2))
{}
virtual void execute() {
callMethod(_obj, _name, _arg1, _arg2);
}
/// Mark reachable resources (for the GC)
virtual void setReachable() const {
_obj->setReachable();
_arg1.setReachable();
_arg2.setReachable();
}
private:
as_object* _obj;
ObjectURI _name;
as_value _arg1, _arg2;
};
} // namespace gnash
#endif // GNASH_EXECUTABLECODE_H
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