386BSD 0.1 development

Work on file usr/src/usr.bin/gdb/readline/keymaps.h

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.1

diff --git a/usr/src/usr.bin/gdb/readline/keymaps.h b/usr/src/usr.bin/gdb/readline/keymaps.h
new file mode 100644 (file)
index 0000000..3c577b3
--- /dev/null
+++ b/usr/src/usr.bin/gdb/readline/keymaps.h
@@ -0,0 +1,53 @@
+/* keymaps.h -- Manipulation of readline keymaps. */
+
+#ifndef _KEYMAPS_H_
+#define _KEYMAPS_H_
+
+#include <readline/chardefs.h>
+
+#ifndef __FUNCTION_DEF
+typedef int Function ();
+#define __FUNCTION_DEF
+#endif
+
+/* A keymap contains one entry for each key in the ASCII set.
+   Each entry consists of a type and a pointer.
+   POINTER is the address of a function to run, or the
+   address of a keymap to indirect through.
+   TYPE says which kind of thing POINTER is. */
+typedef struct _keymap_entry {
+  char type;
+  Function *function;
+} KEYMAP_ENTRY;
+
+/* I wanted to make the above structure contain a union of:
+   union { Function *function; struct _keymap_entry *keymap; } value;
+   but this made it impossible for me to create a static array.
+   Maybe I need C lessons. */
+
+typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[128];
+typedef KEYMAP_ENTRY *Keymap;
+
+/* The values that TYPE can have in a keymap entry. */
+#define ISFUNC 0
+#define ISKMAP 1
+#define ISMACR 2
+
+extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap;
+extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap;
+
+/* Return a new, empty keymap.
+   Free it with free() when you are done. */
+Keymap rl_make_bare_keymap ();
+
+/* Return a new keymap which is a copy of MAP. */
+Keymap rl_copy_keymap ();
+
+/* Return a new keymap with the printing characters bound to rl_insert,
+   the lowercase Meta characters bound to run their equivalents, and
+   the Meta digits bound to produce numeric arguments. */
+Keymap rl_make_keymap ();
+
+#endif /* _KEYMAPS_H_ */
+
+