P4C
The P4 Compiler
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simplifyParsers.h
1/*
2Copyright 2016 VMware, Inc.
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17#ifndef FRONTENDS_P4_SIMPLIFYPARSERS_H_
18#define FRONTENDS_P4_SIMPLIFYPARSERS_H_
19
20#include "ir/ir.h"
21
22namespace P4 {
23
33class SimplifyParsers : public Transform {
34 public:
35 SimplifyParsers() { setName("SimplifyParsers"); }
36
37 const IR::Node *preorder(IR::P4Parser *parser) override;
38 const IR::Node *preorder(IR::P4Control *control) override {
39 prune();
40 return control;
41 }
42};
43
44} // namespace P4
45
46#endif /* FRONTENDS_P4_SIMPLIFYPARSERS_H_ */
Definition node.h:94
Remove unreachable parser states, and collapse simple chains of states.
Definition simplifyParsers.h:33
Definition visitor.h:424
TODO: this is not really specific to BMV2, it should reside somewhere else.
Definition applyOptionsPragmas.cpp:24