#include "libpspp/str.h"
#include "language/lexer/token.h"
+struct macro_expander;
+
struct macro_param
{
char *name; /* NULL for a positional parameter. */
struct hmap macros;
};
+struct macro_set *macro_set_create (void);
+void macro_set_destroy (struct macro_set *);
const struct macro *macro_set_find (const struct macro_set *,
const char *);
-
-struct macro_expander *macro_expander_create (const struct macro_set *,
- const struct token *);
+void macro_set_add (struct macro_set *, struct macro *);
+
+static inline bool
+macro_set_is_empty (const struct macro_set *set)
+{
+ return hmap_is_empty (&set->macros);
+}
+\f
+/* Macro expansion. */
+
+int macro_expander_create (const struct macro_set *,
+ const struct token *,
+ struct macro_expander **);
void macro_expander_destroy (struct macro_expander *);
int macro_expander_add (struct macro_expander *, const struct token *);