2021-06-14 07:39:01 +02:00
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/*
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* Cppcheck - A tool for static C/C++ code analysis
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2021-07-04 08:08:51 +02:00
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* Copyright (C) 2007-2021 Cppcheck team.
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2021-06-14 07:39:01 +02:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2021-06-14 07:39:41 +02:00
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//---------------------------------------------------------------------------
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2021-06-14 07:39:01 +02:00
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#ifndef tokenrangeH
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#define tokenrangeH
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//---------------------------------------------------------------------------
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#include "config.h"
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2021-08-07 20:51:18 +02:00
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template<typename T, REQUIRES("T must be a Token class", std::is_convertible<T*, const Token*> )>
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class TokenRangeBase {
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T* mFront;
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T* mBack;
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public:
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TokenRangeBase(T* front, T* back) : mFront(front), mBack(back) {}
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struct TokenIterator {
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using iterator_category = std::forward_iterator_tag;
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using value_type = T*;
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using difference_type = std::ptrdiff_t;
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using pointer = void;
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using reference = T*;
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T* mt;
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TokenIterator() : mt(nullptr) {}
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explicit TokenIterator(T* t) : mt(t) {}
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TokenIterator& operator++() {
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mt = mt->next();
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return *this;
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}
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bool operator==(const TokenIterator& b) const {
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return mt == b.mt;
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}
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bool operator!=(const TokenIterator& b) const {
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return mt != b.mt;
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}
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T* operator*() const {
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return mt;
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}
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};
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TokenIterator begin() const {
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return TokenIterator(mFront);
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}
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TokenIterator end() const {
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return TokenIterator(mBack);
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}
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};
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class TokenRange : public TokenRangeBase<Token> {
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public:
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TokenRange(Token* front, Token* back) : TokenRangeBase<Token>(front, back) {}
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};
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class ConstTokenRange : public TokenRangeBase<const Token> {
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public:
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ConstTokenRange(const Token* front, const Token* back) : TokenRangeBase<const Token>(front, back) {}
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};
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#endif // tokenrangeH
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