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/*
* Helper functions for VHDL syntax elements.
*
* Copyright (C) 2008-2012 Nick Gasson (nick@nickg.me.uk)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef INC_VHDL_HELPER_HH
#define INC_VHDL_HELPER_HH
#include <fstream>
#include <list>
#include <cassert>
template <class T>
void emit_children(std::ostream &of,
const std::list<T*> &children,
int level, const char *delim = "",
bool trailing_newline = true)
{
// Don't indent if there are no children
if (children.empty())
newline(of, level);
else {
typename std::list<T*>::const_iterator it;
int sz = children.size();
for (it = children.begin(); it != children.end(); ++it) {
newline(of, indent(level));
(*it)->emit(of, indent(level));
if (--sz > 0)
of << delim;
}
if (trailing_newline)
newline(of, level);
}
}
static inline char vl_to_vhdl_bit(char bit)
{
switch (bit) {
case '0':
case 'Z':
case '1':
return bit;
case 'z':
return 'Z';
case 'x':
case 'X':
return 'U';
case '?':
return '-';
}
assert(false);
return 0;
}
#endif
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