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/* $Id$
*
* Proc: Generate a process with initial subroutine.
*
* Copyright (C) 2008-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __PROC_HPP_INCLUDED
#define __PROC_HPP_INCLUDED
namespace intermediate {
#include "intermediate/opcodes/OpCode.hpp"
#include "intermediate/operands/Reference.hpp"
//! create a process with given subprogram.
/** Proc can be used to create a process. Basically it defines a Call which gets
* delayed and executed as own process.
* Proc must be embedded with begintrans/setparam/endtrans opcodes.
* The following endtrans opcode must not erase the stack (as this would
* otherwise corrupt the process's stack).
*
* Read Operands: target (pointer referencing the target code container)
* Write Operands: None in current process context.
*
* Operation:
* Register target as a ready process in the scheduler, giving
* the current transfer stack frame (as created by begintrans)
* as parameter.
*/
class Proc : public OpCode {
public:
//! c'tor
/** @param target subprogram that defines the process
*/
Proc(Reference *destination) : dst(destination) {}
//! Accept a Visitor.
/** All intermediate code nodes need to implement this method.
*
* @param v the Visitor that can visit this node.
*/
virtual void accept(Visitor& v) {
v.visit(*this);
}
//! target (name) of the subprogram that should defines the process.
Reference *dst;
};
}; /* namespace intermediate */
#endif /* __PROC_HPP_INCLUDED */
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