[PATCH] macro hooks (revised)

[Timothy Wall]

If there are no objections, I will apply this patch.


> Here is the macro hooks/line substitution patch previously submitted,
> and revised according to previous discussion.
>
>
>
> Index: gas/ChangeLog
> ===================================================================
> RCS file: /cvs/src/src/gas/ChangeLog,v
> retrieving revision 1.279
> diff -d -c -p -r1.279 ChangeLog
> *** ChangeLog   2000/03/07 00:06:51     1.279
> --- ChangeLog   2000/03/08 19:50:05
> ***************
> *** 1,3 ****
> --- 1,30 ----
> + 2000-03-08  Timothy Wall
> +
> +       * gasp.c (macro_op): Add new argument to check_macro call.
> +       Macro structure definitions moved to macro.h
> +       * sb.h:  Add argument to prototype for input_scrib_include_sb.

> +       * input-scrub.c (input_scrub_include_sb): Allow disabling of
sb
> +       nesting checks with an additional flag.
> +       (struct input_save): Add flag to indicate whether current sb
> +       should be checked for proper macro/conditional nesting.
> +       (input_scrub_push/pop): Save/restore nest check flag.
> +       (input_scrub_next_buffer): Ditto.  Also call end of macro hook
if
> +       defined.
> +       * macro.c (check_macro):  Allow caller to retrieve parsed
macro
> +       information if a pointer is provided.  This information may be

> +       used by the new macro hooks.
> +       * macro.h: Update prototype for check_macro.  Macro struct
> +       definitions moved here from macro.c/gasp.c.
> +       * read.c (read_a_source_file): Add parameter to check_macro
call,
> +       and pass macro info to the macro hook, if defined.
> +       (input_scrub_insert_line): New.  Allow insertion of a line of
> +       characters into the input stream.
> +       (input_scrub_insert_file): New.  Allow insertion of an
arbitrary
> +       file into the input stream.
> +       (s_include): Use input_scrub_insert_file.
> +       * internals.texi: Document new macro hooks.
> +       * as.h: New prototypes added.
> +
>