mirror of https://gitlab.com/rnger/amath
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
/*-
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* Copyright (c) 2014-2021 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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#include "amathc.h"
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#include "main/token.h"
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#if __GNUC__ > 2
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#pragma GCC diagnostic ignored "-Wshadow"
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#endif
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Token::Token(Token* last, Symbol symbol, int pos)
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{
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this->last = last;
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this->symbol = symbol;
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this->pos = pos;
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this->text = nullptr;
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this->next = nullptr;
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}
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Token::Token(Token* last, Symbol symbol, const char* text, int pos)
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{
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this->last = last;
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this->symbol = symbol;
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this->pos = pos;
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this->next = nullptr;
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AllocAndCopy(&this->text, text);
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}
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Token::~Token()
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{
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if (text != nullptr)
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{
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delete [] text;
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}
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if (next != nullptr)
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{
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delete next;
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}
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}
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Token* Token::GetLastToken() const
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{
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return last;
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}
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Token* Token::GetNextToken()
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{
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// Always return a token if requested
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if (next == nullptr)
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{
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next = new Token(this, symend, pos);
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}
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return next;
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}
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char* Token::GetText() const
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{
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return text;
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}
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int Token::GetPos() const
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{
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return pos;
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}
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