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It is an error for the concatenation repeat to be undefined. 

Print an error message if the concatenation repeat expression
is undefined.
This commit is contained in:
Cary R 2008-05-26 11:14:59 -07:00 committed by Stephen Williams
parent 653e2661b2
commit b2bdce98ab
2 changed files with 17 additions and 0 deletions
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9
elab_expr.cc
View File

@ -716,6 +716,15 @@ NetExpr* PEConcat::elaborate_expr(Design*des, NetScope*scope,
des->errors += 1; des->errors += 1;
} }
if (!rep->value().is_defined()) {
cerr << get_fileline() << ": error: Concatenation repeat "
<< "may not be undefined (" << rep->value()
<< ")." << endl;
des->errors += 1;
concat_depth -= 1;
return 0;
}
if (rep->value().is_negative()) { if (rep->value().is_negative()) {
cerr << get_fileline() << ": error: Concatenation repeat " cerr << get_fileline() << ": error: Concatenation repeat "
<< "may not be negative (" << rep->value().as_long() << "may not be negative (" << rep->value().as_long()

8
elab_net.cc
View File

@ -1578,6 +1578,14 @@ NetNet* PEConcat::elaborate_net(Design*des, NetScope*scope,
return 0; return 0;
} }
if (!erep->value().is_defined()) {
cerr << get_fileline() << ": error: Concatenation repeat "
<< "may not be undefined (" << erep->value()
<< ")." << endl;
des->errors += 1;
return 0;
}
if (erep->value().is_negative()) { if (erep->value().is_negative()) {
cerr << get_fileline() << ": error: Concatenation repeat " cerr << get_fileline() << ": error: Concatenation repeat "
<< "may not be negative (" << erep->value().as_long() << "may not be negative (" << erep->value().as_long()