71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/*
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* Helper functions for VHDL syntax elements.
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*
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* Copyright (C) 2008-2012 Nick Gasson (nick@nickg.me.uk)
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef INC_VHDL_HELPER_HH
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#define INC_VHDL_HELPER_HH
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#include <fstream>
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#include <list>
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#include <cassert>
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template <class T>
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void emit_children(std::ostream &of,
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const std::list<T*> &children,
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int level, const char *delim = "",
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bool trailing_newline = true)
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{
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// Don't indent if there are no children
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if (children.empty())
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newline(of, level);
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else {
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typename std::list<T*>::const_iterator it;
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int sz = children.size();
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for (it = children.begin(); it != children.end(); ++it) {
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newline(of, indent(level));
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(*it)->emit(of, indent(level));
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if (--sz > 0)
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of << delim;
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}
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if (trailing_newline)
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newline(of, level);
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}
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}
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static inline char vl_to_vhdl_bit(char bit)
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{
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switch (bit) {
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case '0':
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case 'Z':
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case '1':
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return bit;
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case 'z':
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return 'Z';
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case 'x':
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case 'X':
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return 'U';
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case '?':
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return '-';
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}
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assert(false);
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return 0;
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}
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#endif
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