1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* $Id$
*
* 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 __INDIRECT_OPERAND_HPP_INCLUDED
#define __INDIRECT_OPERAND_HPP_INCLUDED
#include "intermediate/operands/Operand.hpp"
#include "intermediate/operands/Register.hpp"
#include <cassert>
namespace intermediate {
//! an indirect operand
/** This class represents an indirect operand. This means, that the source may
* only be of storage class pointer. When accessing an indirect operand,
* the source pointer will get dereferenced.
*/
class IndirectOperand : public Operand {
public:
//! c'tor
/** @param source source of the operand (register, name).
* @param t width to use for deferentiation.
*/
IndirectOperand(
Register *source,
enum OpType t
) : Operand(t),
src(source) {
// can dereference only pointers!
assert(source->type == OP_TYPE_POINTER);
}
//! 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);
}
//! source of the operand.
Register *src;
protected:
virtual ~IndirectOperand() {
util::MiscUtil::terminate(this->src);
}
};
}; /* namespace intermediate */
#endif /* __INDIRECT_OPERAND_HPP_INCLUDED */
|
