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More explicit internal error message.

This commit is contained in:
steve 2005-09-04 15:39:19 +00:00
parent f4a6206790
commit 354f7ad920
1 changed files with 15 additions and 1 deletions
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16
eval_tree.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: eval_tree.cc,v 1.62 2004/10/04 01:10:53 steve Exp $"
#ident "$Id: eval_tree.cc,v 1.62.2.1 2005/09/04 15:39:19 steve Exp $"
#endif
# include "config.h"
@ -227,6 +227,17 @@ NetEConst* NetEBComp::eval_less_()
/* Detect the case where the right side is greater that or
equal to the largest value the left side can possibly
have. */
if (left_->expr_width() == 0) {
cerr << get_line() << ": internal error: "
<< "Having trouble evaluating left expression of < op."
<< endl;
cerr << get_line() << ": : "
<< "Expression is: "
<< *this << endl;
des->errors += 1;
return 0;
}
assert(left_->expr_width() > 0);
verinum lv (verinum::V1, left_->expr_width());
if (lv < rv) {
@ -1551,6 +1562,9 @@ NetEConst* NetEUReduce::eval_tree()
/*
* $Log: eval_tree.cc,v $
* Revision 1.62.2.1 2005/09/04 15:39:19 steve
* More explicit internal error message.
*
* Revision 1.62 2004/10/04 01:10:53 steve
* Clean up spurious trailing white space.
*