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Display and error for hierarchical references in a parameter r-value expr. 

Display and error message when the user uses a hierarchical reference
in a parameter r-value expression.
This commit is contained in:
Cary R 2009-05-18 14:08:09 -07:00 committed by Stephen Williams
parent 7f20f8c768
commit 90d9debe81
1 changed files with 11 additions and 2 deletions
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13
elab_pexpr.cc
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@ -207,6 +207,14 @@ NetExpr*PEIdent::elaborate_pexpr(Design*des, NetScope*scope) const
name_component_t name_tail = path_.back(); name_component_t name_tail = path_.back();
oldpath.pop_back(); oldpath.pop_back();
if (path_.size() > 1) {
cerr << get_fileline() << ": error: parameter r-value expression "
"does not support hierarchical references `" << path_
<< "`." << endl;
des->errors += 1;
return 0;
}
NetScope*pscope = scope; NetScope*pscope = scope;
if (path_.size() > 0) { if (path_.size() > 0) {
list<hname_t> tmp = eval_scope_path(des, scope, oldpath); list<hname_t> tmp = eval_scope_path(des, scope, oldpath);
@ -229,8 +237,9 @@ NetExpr*PEIdent::elaborate_pexpr(Design*des, NetScope*scope) const
ivl_assert(*this, pscope); ivl_assert(*this, pscope);
} }
if (ex == 0) { if (ex == 0) {
cerr << get_fileline() << ": error: identifier ``" << name_tail.name << cerr << get_fileline() << ": error: identifier `"
"'' is not a parameter in "<< scope_path(scope)<< "." << endl; << name_tail.name << "` is not a parameter in "
<< scope_path(scope)<< "." << endl;
des->errors += 1; des->errors += 1;
return 0; return 0;
} }