stage(0)
{ }
-void Validator::diagnose(Statement *statement, Diagnostic::Severity severity, const string &message)
+void Validator::diagnose(Node &node, Diagnostic::Severity severity, const string &message)
{
Diagnostic diag;
diag.severity = severity;
- if(statement)
- {
- diag.source = statement->source;
- diag.line = statement->line;
- }
+ diag.source = node.source;
+ diag.line = node.line;
diag.message = message;
stage->diagnostics.push_back(diag);
}
anonymous_block(false)
{ }
+void DeclarationValidator::multiple_definition(const string &name, Statement &statement, Statement &previous)
+{
+ error(statement, format("Multiple definition of %s", name));
+ diagnose(previous, Diagnostic::INFO, "Previous definition is here");
+}
+
Statement *DeclarationValidator::find_definition(const string &name)
{
BlockDeclarationMap *decls = &declarations[current_block];
void DeclarationValidator::check_definition(const string &name, Statement &statement)
{
if(Statement *previous = find_definition(name))
- {
- error(&statement, format("Multiple definition of '%s'", name));
- diagnose(previous, Diagnostic::INFO, "Previous definition is here");
- return;
- }
+ multiple_definition(format("'%s'", name), statement, *previous);
+ else
+ record_definition(name, statement);
+}
- declarations[current_block][name] = &statement;
+void DeclarationValidator::record_definition(const string &name, Statement &statement)
+{
+ declarations[current_block].insert(make_pair(name, &statement));
if(anonymous_block)
- declarations[current_block->parent][name] = &statement;
+ declarations[current_block->parent].insert(make_pair(name, &statement));
+}
+
+void DeclarationValidator::visit(TypeDeclaration &type)
+{
+ check_definition(type.name, type);
+}
+
+void DeclarationValidator::visit(StructDeclaration &strct)
+{
+ check_definition(strct.name, strct);
+ TraversingVisitor::visit(strct);
}
void DeclarationValidator::visit(VariableDeclaration &var)
void DeclarationValidator::visit(InterfaceBlock &iface)
{
- check_definition(iface.name, iface);
+ string key = iface.interface+iface.name;
+ map<string, InterfaceBlock *>::const_iterator i = interface_blocks.find(key);
+ if(i!=interface_blocks.end())
+ multiple_definition(format("interface block '%s %s'", iface.interface, iface.name), iface, *i->second);
+ else
+ interface_blocks.insert(make_pair(key, &iface));
+
+ if(Statement *previous = find_definition(iface.name))
+ {
+ if(!dynamic_cast<InterfaceBlock *>(previous))
+ multiple_definition(format("'%s'", iface.name), iface, *previous);
+ }
+ else
+ record_definition(iface.name, iface);
+
if(!iface.instance_name.empty())
check_definition(iface.instance_name, iface);
+
SetFlag set_anon(anonymous_block, iface.instance_name.empty());
TraversingVisitor::visit(iface);
}
void DeclarationValidator::visit(FunctionDeclaration &func)
{
+ if(Statement *previous = find_definition(func.name))
+ if(!dynamic_cast<FunctionDeclaration *>(previous))
+ multiple_definition(format("'%s'", func.name), func, *previous);
+
if(func.definition==&func)
check_definition(func.name, func);
TraversingVisitor::visit(func);