New features. Strling list output streams in stream

library, allow output to be captured as a list of strings
representing lines (in contrast to string streams which capture
a single string).

The output directive can output to a variable,
and next can scan over a variable.

* lib.c (span_str, compl_span_str, break_str): New functions.

* lib.h (span_str, compl_span_str, break_str): New functions declared.

* match.c (into_k, var_k): New keyword variables.
(mf_file_data): New static function.
(v_next): Refactored argument handling. Added support for :var
keyword.
(v_output): Added support for :into keyword.

* stream.c (strlist_mark, strlist_out_put_string,
strlist_out_put_char): New static functions.
(strlist_out_ops): New static struct.
(make_strlist_output_stream, get_list_from_stream): New functions.

* stream.h (make_strlist_output_stream, get_list_from_stream): New
functions declared.

1 files changed, 3 insertions, 0 deletions

diff --git a/lib.h b/lib.h
index dca8220c..ab2e61d5 100644
--- a/lib.h
+++ b/lib.h
@@ -353,6 +353,9 @@ val chrp(val chr);
 wchar_t c_chr(val chr);
 val chr_str(val str, val index);
 val chr_str_set(val str, val index, val chr);
+val span_str(val str, val set);
+val compl_span_str(val str, val set);
+val break_str(val str, val set);
 val sym_name(val sym);
 val make_sym(val name);
 val make_package(val name);