1 // Copyright 2017-2019 VMware, Inc.
2 // SPDX-License-Identifier: BSD-2-Clause
3 //
4 // The BSD-2 license (the License) set forth below applies to all parts of the
5 // Cascade project. You may not use this file except in compliance with the
6 // License.
7 //
8 // BSD-2 License
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are met:
12 //
13 // 1. Redistributions of source code must retain the above copyright notice, this
14 // list of conditions and the following disclaimer.
15 //
16 // 2. Redistributions in binary form must reproduce the above copyright notice,
17 // this list of conditions and the following disclaimer in the documentation
18 // and/or other materials provided with the distribution.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND
21 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 #ifndef CASCADE_SRC_VERILOG_AST_EVENT_H
32 #define CASCADE_SRC_VERILOG_AST_EVENT_H
33
34 #include "verilog/ast/types/expression.h"
35 #include "verilog/ast/types/macro.h"
36 #include "verilog/ast/types/node.h"
37
38 namespace cascade {
39
40 class Event : public Node {
41 public:
42 // Supporting Concepts:
43 enum class Type : uint8_t {
44 EDGE = 0,
45 NEGEDGE,
46 POSEDGE
47 };
48
49 // Constructors:
50 Event(Type type__, Expression* expr__);
51 ~Event() override;
52
53 // Node Interface:
54 NODE(Event)
55 Event* clone() const override;
56
57 // Get/Set:
58 VAL_GET_SET(Event, Type, type)
59 PTR_GET_SET(Event, Expression, expr)
60
61 private:
62 VAL_ATTR(Type, type);
63 PTR_ATTR(Expression, expr);
64 };
65
Event(Type type__,Expression * expr__)66 inline Event::Event(Type type__, Expression* expr__) : Node(Node::Tag::event) {
67 VAL_SETUP(type);
68 PTR_SETUP(expr);
69 parent_ = nullptr;
70 }
71
~Event()72 inline Event::~Event() {
73 VAL_TEARDOWN(type);
74 PTR_TEARDOWN(expr);
75 }
76
clone()77 inline Event* Event::clone() const {
78 return new Event(type_, expr_->clone());
79 }
80
81 } // namespace cascade
82
83 #endif
84