/* macro.c -- keyboard macros for readline. */
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2009,2017 Free Software Foundation, Inc.
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- The GNU Readline Library is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2, or
+ Readline is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
- The GNU Readline Library is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Readline is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
#include "rlprivate.h"
#include "xmalloc.h"
-#define SWAP(s, e) do { int t; t = s; s = e; e = t; } while (0)
+#define MAX_MACRO_LEVEL 16
/* **************************************************************** */
/* */
/* */
/* **************************************************************** */
-/* Non-zero means to save keys that we dispatch on in a kbd macro. */
-int _rl_defining_kbd_macro = 0;
-
/* The currently executing macro string. If this is non-zero,
then it is a malloc ()'ed string where input is coming from. */
-char *_rl_executing_macro = (char *)NULL;
+char *rl_executing_macro = (char *)NULL;
/* The offset in the above string to the next character to be read. */
static int executing_macro_index;
/* The list of saved macros. */
static struct saved_macro *macro_list = (struct saved_macro *)NULL;
+static int macro_level = 0;
+
/* Set up to read subsequent input from STRING.
STRING is free ()'ed when we are done with it. */
void
-_rl_with_macro_input (string)
- char *string;
+_rl_with_macro_input (char *string)
{
- _rl_push_executing_macro ();
- _rl_executing_macro = string;
+ if (macro_level > MAX_MACRO_LEVEL)
+ {
+ _rl_errmsg ("maximum macro execution nesting level exceeded");
+ _rl_abort_internal ();
+ return;
+ }
+
+#if 0
+ if (rl_executing_macro) /* XXX - later */
+#endif
+ _rl_push_executing_macro ();
+ rl_executing_macro = string;
executing_macro_index = 0;
+ RL_SETSTATE(RL_STATE_MACROINPUT);
}
/* Return the next character available from a macro, or 0 if
there are no macro characters. */
int
-_rl_next_macro_key ()
+_rl_next_macro_key (void)
{
- if (_rl_executing_macro == 0)
+ int c;
+
+ if (rl_executing_macro == 0)
return (0);
- if (_rl_executing_macro[executing_macro_index] == 0)
+ if (rl_executing_macro[executing_macro_index] == 0)
{
_rl_pop_executing_macro ();
return (_rl_next_macro_key ());
}
- return (_rl_executing_macro[executing_macro_index++]);
+#if defined (READLINE_CALLBACKS)
+ c = rl_executing_macro[executing_macro_index++];
+ if (RL_ISSTATE (RL_STATE_CALLBACK) && RL_ISSTATE (RL_STATE_READCMD|RL_STATE_MOREINPUT) && rl_executing_macro[executing_macro_index] == 0)
+ _rl_pop_executing_macro ();
+ return c;
+#else
+ /* XXX - consider doing the same as the callback code, just not testing
+ whether we're running in callback mode */
+ return (rl_executing_macro[executing_macro_index++]);
+#endif
+}
+
+int
+_rl_peek_macro_key (void)
+{
+ if (rl_executing_macro == 0)
+ return (0);
+ if (rl_executing_macro[executing_macro_index] == 0 && (macro_list == 0 || macro_list->string == 0))
+ return (0);
+ if (rl_executing_macro[executing_macro_index] == 0 && macro_list && macro_list->string)
+ return (macro_list->string[0]);
+ return (rl_executing_macro[executing_macro_index]);
+}
+
+int
+_rl_prev_macro_key (void)
+{
+ if (rl_executing_macro == 0)
+ return (0);
+
+ if (executing_macro_index == 0)
+ return (0);
+
+ executing_macro_index--;
+ return (rl_executing_macro[executing_macro_index]);
}
/* Save the currently executing macro on a stack of saved macros. */
void
-_rl_push_executing_macro ()
+_rl_push_executing_macro (void)
{
struct saved_macro *saver;
saver = (struct saved_macro *)xmalloc (sizeof (struct saved_macro));
saver->next = macro_list;
saver->sindex = executing_macro_index;
- saver->string = _rl_executing_macro;
+ saver->string = rl_executing_macro;
macro_list = saver;
+
+ macro_level++;
}
/* Discard the current macro, replacing it with the one
on the top of the stack of saved macros. */
void
-_rl_pop_executing_macro ()
+_rl_pop_executing_macro (void)
{
struct saved_macro *macro;
- if (_rl_executing_macro)
- free (_rl_executing_macro);
-
- _rl_executing_macro = (char *)NULL;
+ FREE (rl_executing_macro);
+ rl_executing_macro = (char *)NULL;
executing_macro_index = 0;
if (macro_list)
{
macro = macro_list;
- _rl_executing_macro = macro_list->string;
+ rl_executing_macro = macro_list->string;
executing_macro_index = macro_list->sindex;
macro_list = macro_list->next;
- free (macro);
+ xfree (macro);
}
+
+ macro_level--;
+
+ if (rl_executing_macro == 0)
+ RL_UNSETSTATE(RL_STATE_MACROINPUT);
}
/* Add a character to the macro being built. */
void
-_rl_add_macro_char (c)
- int c;
+_rl_add_macro_char (int c)
{
if (current_macro_index + 1 >= current_macro_size)
{
if (current_macro == 0)
- current_macro = xmalloc (current_macro_size = 25);
+ current_macro = (char *)xmalloc (current_macro_size = 25);
else
- current_macro = xrealloc (current_macro, current_macro_size += 25);
+ current_macro = (char *)xrealloc (current_macro, current_macro_size += 25);
}
current_macro[current_macro_index++] = c;
}
void
-_rl_kill_kbd_macro ()
+_rl_kill_kbd_macro (void)
{
if (current_macro)
{
- free (current_macro);
+ xfree (current_macro);
current_macro = (char *) NULL;
}
current_macro_size = current_macro_index = 0;
- if (_rl_executing_macro)
- {
- free (_rl_executing_macro);
- _rl_executing_macro = (char *) NULL;
- }
+ FREE (rl_executing_macro);
+ rl_executing_macro = (char *) NULL;
executing_macro_index = 0;
- _rl_defining_kbd_macro = 0;
+ RL_UNSETSTATE(RL_STATE_MACRODEF);
}
/* Begin defining a keyboard macro.
definition to the end of the existing macro, and start by
re-executing the existing macro. */
int
-rl_start_kbd_macro (ignore1, ignore2)
- int ignore1, ignore2;
+rl_start_kbd_macro (int ignore1, int ignore2)
{
- if (_rl_defining_kbd_macro)
+ if (RL_ISSTATE (RL_STATE_MACRODEF))
{
_rl_abort_internal ();
- return -1;
+ return 1;
}
if (rl_explicit_arg)
else
current_macro_index = 0;
- _rl_defining_kbd_macro = 1;
+ RL_SETSTATE(RL_STATE_MACRODEF);
return 0;
}
A numeric argument says to execute the macro right now,
that many times, counting the definition as the first time. */
int
-rl_end_kbd_macro (count, ignore)
- int count, ignore;
+rl_end_kbd_macro (int count, int ignore)
{
- if (_rl_defining_kbd_macro == 0)
+ if (RL_ISSTATE (RL_STATE_MACRODEF) == 0)
{
_rl_abort_internal ();
- return -1;
+ return 1;
}
- current_macro_index -= rl_key_sequence_length - 1;
+ current_macro_index -= rl_key_sequence_length;
current_macro[current_macro_index] = '\0';
- _rl_defining_kbd_macro = 0;
+ RL_UNSETSTATE(RL_STATE_MACRODEF);
return (rl_call_last_kbd_macro (--count, 0));
}
/* Execute the most recently defined keyboard macro.
COUNT says how many times to execute it. */
int
-rl_call_last_kbd_macro (count, ignore)
- int count, ignore;
+rl_call_last_kbd_macro (int count, int ignore)
{
if (current_macro == 0)
_rl_abort_internal ();
- if (_rl_defining_kbd_macro)
+ if (RL_ISSTATE (RL_STATE_MACRODEF))
{
- ding (); /* no recursive macros */
+ rl_ding (); /* no recursive macros */
current_macro[--current_macro_index] = '\0'; /* erase this char */
return 0;
}
return 0;
}
+int
+rl_print_last_kbd_macro (int count, int ignore)
+{
+ char *m;
+
+ if (current_macro == 0)
+ {
+ rl_ding ();
+ return 0;
+ }
+ m = _rl_untranslate_macro_value (current_macro, 1);
+ rl_crlf ();
+ printf ("%s", m);
+ fflush (stdout);
+ rl_crlf ();
+ FREE (m);
+ rl_forced_update_display ();
+ rl_display_fixed = 1;
+
+ return 0;
+}
+
void
-rl_push_macro_input (macro)
- char *macro;
+rl_push_macro_input (char *macro)
{
_rl_with_macro_input (macro);
}
projects / deliverable / binutils-gdb.git / blobdiff