chromium/third_party/re2/src/re2/prog.h

// Copyright 2007 The RE2 Authors.  All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#ifndef RE2_PROG_H_
#define RE2_PROG_H_

// Compiled representation of regular expressions.
// See regexp.h for the Regexp class, which represents a regular
// expression symbolically.

#include <stdint.h>

#include <functional>
#include <string>
#include <type_traits>
#include <vector>

#include "absl/base/call_once.h"
#include "absl/log/absl_check.h"
#include "absl/log/absl_log.h"
#include "absl/strings/string_view.h"
#include "re2/pod_array.h"
#include "re2/re2.h"
#include "re2/sparse_array.h"
#include "re2/sparse_set.h"

namespace re2 {

// Opcodes for Inst
enum InstOp { … };

// Bit flags for empty-width specials
enum EmptyOp { … };

class DFA;
class Regexp;

// Compiled form of regexp program.
class Prog { … };

// std::string_view in MSVC has iterators that aren't just pointers and
// that don't allow comparisons between different objects - not even if
// those objects are views into the same string! Thus, we provide these
// conversion functions for convenience.
static inline const char* BeginPtr(absl::string_view s) { … }
static inline const char* EndPtr(absl::string_view s) { … }

}  // namespace re2

#endif  // RE2_PROG_H_