mirror of https://gitlab.com/rnger/amath
80 lines
2.3 KiB
C++
80 lines
2.3 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 "amathc.h"
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#include "viewer.h"
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#include "lib/charbuf.h"
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#if defined(DEBUGTREE)
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Viewer::Viewer(SyntaxNode* root)
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{
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this->root = root;
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output = new CharBuffer();
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}
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Viewer::~Viewer()
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{
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delete output;
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}
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char* Viewer::GetTree() const
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{
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output->ClearBuffer();
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Structure(root, 0);
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output->EnsureGrowth(42);
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output->Append('\n');
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output->Append('-', 40);
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output->Append('\n');
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return output->GetString();
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}
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void Viewer::Structure(SyntaxNode* node, int level) const
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{
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if (node == nullptr)
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{
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output->EnsureGrowth(1);
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output->Append('~');
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}
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else
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{
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node->ResetIterator();
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Structure(node->GetNext(), level + 1);
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output->EnsureGrowth(level + StrLen(node->GetTextCode() + 1));
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output->Append('\t', level);
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output->Append(node->GetTextCode());
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output->Append('\n');
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Structure(node->GetNext(), level + 1);
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}
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}
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#endif
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