Qore Programming Language  1.12.0
QoreMinusEqualsOperatorNode.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3  QoreMinusEqualsOperatorNode.h
4 
5  Qore Programming Language
6 
7  Copyright (C) 2003 - 2022 Qore Technologies, s.r.o.
8 
9  Permission is hereby granted, free of charge, to any person obtaining a
10  copy of this software and associated documentation files (the "Software"),
11  to deal in the Software without restriction, including without limitation
12  the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  and/or sell copies of the Software, and to permit persons to whom the
14  Software is furnished to do so, subject to the following conditions:
15 
16  The above copyright notice and this permission notice shall be included in
17  all copies or substantial portions of the Software.
18 
19  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25  DEALINGS IN THE SOFTWARE.
26 
27  Note that the Qore library is released under a choice of three open-source
28  licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
29  information.
30 */
31 
32 #ifndef _QORE_QOREMINUSEQUALSOPERATORNODE_H
33 #define _QORE_QOREMINUSEQUALSOPERATORNODE_H
34 
35 class QoreMinusEqualsOperatorNode : public QoreBinaryLValueOperatorNode {
36 OP_COMMON
37 protected:
38  DLLLOCAL virtual int parseInitImpl(QoreValue& val, QoreParseContext& parse_context);
39  DLLLOCAL virtual QoreValue evalImpl(bool& needs_deref, ExceptionSink* xsink) const;
40 
41 public:
42  DLLLOCAL QoreMinusEqualsOperatorNode(const QoreProgramLocation* loc, QoreValue left, QoreValue right)
43  : QoreBinaryLValueOperatorNode(loc, left, right) {
44  }
45 
46  DLLLOCAL virtual QoreOperatorNode* copyBackground(ExceptionSink *xsink) const {
47  return copyBackgroundExplicit<QoreMinusEqualsOperatorNode>(xsink);
48  }
49 };
50 
51 #endif
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition: ExceptionSink.h:48
The main value class in Qore, designed to be passed by value.
Definition: QoreValue.h:275