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);
}
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");
+ error(statement, format("Multiple definition of %s", name));
+ diagnose(previous, Diagnostic::INFO, "Previous definition is here");
}
Statement *DeclarationValidator::find_definition(const string &name)
declarations[current_block->parent].insert(make_pair(name, &statement));
}
+void DeclarationValidator::visit(StructDeclaration &strct)
+{
+ check_definition(strct.name, strct);
+ TraversingVisitor::visit(strct);
+}
+
void DeclarationValidator::visit(VariableDeclaration &var)
{
check_definition(var.name, var);
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);