source: icGREP/icgrep-devel/icgrep/re/re_nullable.h @ 4771

Last change on this file since 4771 was 4203, checked in by nmedfort, 5 years ago

Performance bug fix

File size: 494 bytes
Line 
1#ifndef RE_NULLABLE_H
2#define RE_NULLABLE_H
3
4//Regular Expressions
5#include "re_re.h"
6#include "re_seq.h"
7#include <vector>
8
9namespace re {
10
11class RE_Nullable {
12public:
13    static RE * removeNullablePrefix(RE * re);
14    static RE * removeNullableSuffix(RE * re);
15private:
16    static bool isNullable(const RE * re);
17    static bool isNullable(const Vector * vec);
18    static bool hasNullablePrefix(const RE * re);
19    static bool hasNullableSuffix(const RE * re);
20};
21
22}
23
24#endif // RE_NULLABLE_H
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