public void addWarning(String message, DiagnosticPosition pos) {
		ast.printMessage(Diagnostic.Kind.WARNING, message, null, pos, false);
	}
public void addWarning ( String message , DiagnosticPosition pos ) { ast . printMessage ( Diagnostic . Kind . WARNING , message , null , pos , false ) ; }
Generates a compiler warning focused on the AST node represented by this node object.