mirror of https://gitlab.com/rnger/amath
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*-
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* Copyright (c) 2014-2017 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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* http://amath.innolan.net
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*
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*/
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#include "amath.h"
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#include "parser.h"
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#include "viewer.h"
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#include "optimizer.h"
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#include "evaluator.h"
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Evaluator::Evaluator(const char* input)
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{
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this->input = input;
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output = new CharBuffer();
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}
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Evaluator::~Evaluator()
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{
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if (output != nullptr)
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{
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delete output;
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}
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}
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void Evaluator::Evaluate() const
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{
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output->ClearBuffer();
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Parser* parser = new Parser(input);
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SyntaxNode* node = parser->Parse();
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delete parser;
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#if defined(DEBUGTREE)
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Viewer* viewer = new Viewer(node);
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const char* vout = viewer->GetTree();
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output->EnsureGrowth(StrLen(vout));
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output->Append(vout);
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delete viewer;
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#endif
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Optimizer* optimizer = new Optimizer(node);
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optimizer->Optimize();
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node = optimizer->GetRoot();
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delete optimizer;
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#if defined(DEBUGTREE)
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viewer = new Viewer(node);
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vout = viewer->GetTree();
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output->EnsureGrowth(StrLen(vout));
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output->Append(vout);
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delete viewer;
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const char* out = node->Execute();
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output->EnsureGrowth(StrLen(out));
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output->Append(out);
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#endif
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#ifndef DEBUGTREE
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const char* out = node->Execute();
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output->ClearAndCopy(out);
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#endif
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delete node;
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}
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char* Evaluator::GetResult() const
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{
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return output->GetString();
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}
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