78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2020 Cppcheck team.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
//---------------------------------------------------------------------------
|
|
#ifndef tokenrangeH
|
|
#define tokenrangeH
|
|
//---------------------------------------------------------------------------
|
|
|
|
#include "config.h"
|
|
|
|
template<typename T, REQUIRES("T must be a Token class", std::is_convertible<T*, const Token*>)>
|
|
class TokenRangeBase {
|
|
T* mFront;
|
|
T* mBack;
|
|
|
|
public:
|
|
TokenRangeBase(T* front, T* back) : mFront(front), mBack(back) {}
|
|
|
|
struct TokenIterator {
|
|
using iterator_category = std::forward_iterator_tag;
|
|
using value_type = T*;
|
|
using difference_type = std::ptrdiff_t;
|
|
using pointer = void;
|
|
using reference = T*;
|
|
|
|
T* mt;
|
|
TokenIterator() : mt(nullptr) {}
|
|
explicit TokenIterator(T* t) : mt(t) {}
|
|
TokenIterator& operator++() {
|
|
mt = mt->next();
|
|
return *this;
|
|
}
|
|
bool operator==(const TokenIterator& b) const {
|
|
return mt == b.mt;
|
|
}
|
|
bool operator!=(const TokenIterator& b) const {
|
|
return mt != b.mt;
|
|
}
|
|
T* operator*() const {
|
|
return mt;
|
|
}
|
|
};
|
|
|
|
TokenIterator begin() const {
|
|
return TokenIterator(mFront);
|
|
}
|
|
TokenIterator end() const {
|
|
return TokenIterator(mBack);
|
|
}
|
|
};
|
|
|
|
class TokenRange : public TokenRangeBase<Token> {
|
|
public:
|
|
TokenRange(Token* front, Token* back) : TokenRangeBase<Token>(front, back) {}
|
|
};
|
|
|
|
class ConstTokenRange : public TokenRangeBase<const Token> {
|
|
public:
|
|
ConstTokenRange(const Token* front, const Token* back) : TokenRangeBase<const Token>(front, back) {}
|
|
};
|
|
|
|
#endif // tokenrangeH
|