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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* $Id$
*
* Copyright (C) 2007-2009 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 __EXIT_STAT_HPP_INCLUDED
#define __EXIT_STAT_HPP_INCLUDED
#include "frontend/ast/ConditionedStat.hpp"
#include "frontend/ast/SimpleName.hpp"
#include "frontend/ast/LoopStat.hpp"
namespace ast {
//! a VHDL exit statement.
/** This class represent a VHDL exit statement. */
class ExitStat : public ConditionedStat {
public:
//! c'tor
/** @param optLoopLbl optional label referring to the enclosing loop
* @param optCond optional condition.
* @param loc location of the ExitStat.
*/
ExitStat(
SimpleName *optLoopLbl,
Expression *optCond,
Location loc
) : ConditionedStat(optCond, loc),
loopLabel(optLoopLbl),
referredLoop(NULL) {}
//! Accept a Visitor.
/** All leaf AST nodes need to implement this method.
*
* @param visitor the Visitor that can visit this node.
*/
virtual void accept(Visitor& visitor) {
visitor.visit(*this);
}
/** Put a textual representation of the AstNode on the stream.
* @param stream stream to put the textual representation to.
*/
virtual void put(std::ostream &stream) const {
stream << "EXIT";
if (this->loopLabel) {
stream << ' ' << this->loopLabel;
}
if (this->condition) {
stream << " if " << this->condition;
}
}
/** label referring to the loop */
SimpleName *loopLabel;
/** loop statement being referred to */
LoopStat *referredLoop;
protected:
/** Destructor */
virtual ~ExitStat() {
util::MiscUtil::terminate(loopLabel);
//FIXME cycle!
util::MiscUtil::terminate(referredLoop);
}
};
}; /* namespace ast */
#endif /* __EXIT_STAT_HPP_INCLUDED */
|
