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The === and !== operators cannot be used with a SV string

This commit is contained in:
Cary R 2015-03-02 15:33:31 -08:00
parent ea1c07e234
commit bddfcac823
1 changed files with 13 additions and 2 deletions
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15
elab_expr.cc
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1999-2014 Stephen Williams (steve@icarus.com) * Copyright (c) 1999-2015 Stephen Williams (steve@icarus.com)
* Copyright CERN 2013 / Stephen Williams (steve@icarus.com) * Copyright CERN 2013 / Stephen Williams (steve@icarus.com)
* *
* This source code is free software; you can redistribute it * This source code is free software; you can redistribute it
@ -657,7 +657,18 @@ NetExpr* PEBComp::elaborate_expr(Design*des, NetScope*scope,
case 'E': /* === */ case 'E': /* === */
case 'N': /* !== */ case 'N': /* !== */
if (lp->expr_type() == IVL_VT_REAL || if (lp->expr_type() == IVL_VT_REAL ||
rp->expr_type() == IVL_VT_REAL) { lp->expr_type() == IVL_VT_STRING ||
rp->expr_type() == IVL_VT_REAL ||
rp->expr_type() == IVL_VT_STRING) {
cerr << get_fileline() << ": error: "
<< human_readable_op(op_)
<< " operator may not have REAL or STRING operands."
<< endl;
des->errors += 1;
return 0;
}
if (lp->expr_type() == IVL_VT_STRING ||
rp->expr_type() == IVL_VT_STRING) {
cerr << get_fileline() << ": error: " cerr << get_fileline() << ": error: "
<< human_readable_op(op_) << human_readable_op(op_)
<< " operator may not have REAL operands." << endl; << " operator may not have REAL operands." << endl;