1 | /* |
2 | * Copyright (c) 2015, Intel Corporation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
7 | * * Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of Intel Corporation nor the names of its contributors |
13 | * may be used to endorse or promote products derived from this software |
14 | * without specific prior written permission. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | /** \file |
30 | * \brief Back-references (/([a-f]{3}).*\\1/) |
31 | */ |
32 | |
33 | #ifndef _RE_COMPONENTBACKREFERENCE_H_ |
34 | #define _RE_COMPONENTBACKREFERENCE_H_ |
35 | |
36 | #include "Component.h" |
37 | #include <string> |
38 | |
39 | namespace ue2 { |
40 | |
41 | class ComponentBackReference : public Component { |
42 | friend class DumpVisitor; |
43 | friend class PrintVisitor; |
44 | friend class ReferenceVisitor; |
45 | public: |
46 | explicit ComponentBackReference(unsigned int id); |
47 | explicit ComponentBackReference(const std::string &s); |
48 | ~ComponentBackReference() override {} |
49 | ComponentBackReference *clone() const override; |
50 | |
51 | Component *accept(ComponentVisitor &v) override { |
52 | Component *c = v.visit(this); |
53 | v.post(this); |
54 | return c; |
55 | } |
56 | |
57 | void accept(ConstComponentVisitor &v) const override { |
58 | v.pre(*this); |
59 | v.during(*this); |
60 | v.post(*this); |
61 | } |
62 | |
63 | unsigned int getRefID() const { return ref_id; } |
64 | const std::string &getRefName() const { return name; } |
65 | |
66 | std::vector<PositionInfo> first() const override; |
67 | std::vector<PositionInfo> last() const override; |
68 | bool empty(void) const override; |
69 | void notePositions(GlushkovBuildState &bs) override; |
70 | void buildFollowSet(GlushkovBuildState &bs, |
71 | const std::vector<PositionInfo> &lastPos) override; |
72 | |
73 | private: |
74 | // Private copy ctor. Use clone instead. |
75 | ComponentBackReference(const ComponentBackReference &other) |
76 | : Component(other), name(other.name), ref_id(other.ref_id) {} |
77 | |
78 | std::string name; |
79 | unsigned int ref_id; |
80 | }; |
81 | |
82 | } // namespace ue2 |
83 | |
84 | #endif |
85 | |