- They are called by both gasp and gas. */
-
-/* Structures used to store macros.
-
- Each macro knows its name and included text. It gets built with a
- list of formal arguments, and also keeps a hash table which points
- into the list to speed up formal search. Each formal knows its
- name and its default value. Each time the macro is expanded, the
- formals get the actual values attatched to them. */
-
-/* describe the formal arguments to a macro */
-
-typedef struct formal_struct
- {
- struct formal_struct *next; /* next formal in list */
- sb name; /* name of the formal */
- sb def; /* the default value */
- sb actual; /* the actual argument (changed on each expansion) */
- int index; /* the index of the formal 0..formal_count-1 */
- }
-formal_entry;
-
-/* Other values found in the index field of a formal_entry. */
-#define QUAL_INDEX (-1)
-#define NARG_INDEX (-2)
-#define LOCAL_INDEX (-3)
-
-/* describe the macro. */
-
-typedef struct macro_struct
- {
- sb sub; /* substitution text. */
- int formal_count; /* number of formal args. */
- formal_entry *formals; /* pointer to list of formal_structs */
- struct hash_control *formal_hash; /* hash table of formals. */
- }
-macro_entry;
-
-/* Internal functions. */
-
-static int get_token PARAMS ((int, sb *, sb *));
-static int getstring PARAMS ((int, sb *, sb *));
-static int get_any_string PARAMS ((int, sb *, sb *, int, int));
-static int do_formals PARAMS ((macro_entry *, int, sb *));
-static int get_apost_token PARAMS ((int, sb *, sb *, int));
-static int sub_actual
- PARAMS ((int, sb *, sb *, struct hash_control *, int, sb *, int));
-static const char *macro_expand_body
- PARAMS ((sb *, sb *, formal_entry *, struct hash_control *, int, int));
-static const char *macro_expand PARAMS ((int, sb *, macro_entry *, sb *, int));