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(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)
{
check_definition(var.name, var);
TraversingVisitor::visit(func);
}
+
+void ReferenceValidator::visit(VariableReference &var)
+{
+ if(!var.declaration)
+ error(var, format("Use of undeclared variable '%s'", var.name));
+ else if(stage->type!=Stage::VERTEX && var.declaration->interface=="in" && !var.declaration->linked_declaration)
+ error(var, format("Use of unlinked input variable '%s'", var.name));
+}
+
+void ReferenceValidator::visit(InterfaceBlockReference &iface)
+{
+ /* An interface block reference without a declaration should be impossible
+ since references are generated based on existing declarations. */
+ if(!iface.declaration)
+ error(iface, format("Use of undeclared interface block '%s'", iface.name));
+ else if(stage->type!=Stage::VERTEX && iface.declaration->interface=="in" && !iface.declaration->linked_block)
+ error(iface, format("Use of unlinked input block '%s'", iface.name));
+}
+
+void ReferenceValidator::visit(VariableDeclaration &var)
+{
+ if(!var.type_declaration)
+ error(var, format("Use of undeclared type '%s'", var.type));
+ TraversingVisitor::visit(var);
+}
+
} // namespace SL
} // namespace GL
} // namespace Msp