+
+#include "control-stack.h"
+#include <data/case.h>
+#include <data/procedure.h>
+#include <data/transformations.h>
+#include <data/value.h>
+#include <language/command.h>
+#include <language/expressions/public.h>
+#include <language/lexer/lexer.h>
+#include <libpspp/compiler.h>
+#include <libpspp/message.h>
+#include <libpspp/str.h>
+
+#include "xalloc.h"