pegasus/weechat
1
0
Fork 0
mirror of https://github.com/weechat/weechat.git synced 2026-06-29 14:26:39 +02:00
Code Activity
Files
eecb2a997e8e6f6fa0b37fbb16831a5f6ee890fc
weechat/src/plugins/guile/weechat-guile.c
T
Sébastien Helleu eecb2a997e core: update copyright dates
2024-01-01 22:29:58 +01:00

1381 lines
39 KiB
C
Raw Blame History

/*
* weechat-guile.c - guile (scheme) plugin for WeeChat
*
* Copyright (C) 2011-2024 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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.
*
* WeeChat 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.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#undef _
#include <libguile.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <libgen.h>
#include <stdio.h>
#include <string.h>
#include "../weechat-plugin.h"
#include "../plugin-script.h"
#include "weechat-guile.h"
#include "weechat-guile-api.h"
WEECHAT_PLUGIN_NAME(GUILE_PLUGIN_NAME);
WEECHAT_PLUGIN_DESCRIPTION(N_("Support of scheme scripts (with Guile)"));
WEECHAT_PLUGIN_AUTHOR("Sébastien Helleu <flashcode@flashtux.org>");
WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
WEECHAT_PLUGIN_PRIORITY(GUILE_PLUGIN_PRIORITY);
struct t_weechat_plugin *weechat_guile_plugin = NULL;
struct t_plugin_script_data guile_data;
struct t_config_file *guile_config_file = NULL;
struct t_config_option *guile_config_look_check_license = NULL;
struct t_config_option *guile_config_look_eval_keep_context = NULL;
int guile_quiet = 0;
struct t_plugin_script *guile_script_eval = NULL;
int guile_eval_mode = 0;
int guile_eval_send_input = 0;
int guile_eval_exec_commands = 0;
struct t_gui_buffer *guile_eval_buffer = NULL;
#define GUILE_EVAL_SCRIPT \
"(weechat:register \"" WEECHAT_SCRIPT_EVAL_NAME "\" \"\" \"1.0\" " \
"\"" WEECHAT_LICENSE "\" \"Evaluation of source code\" " \
"\"\" \"\")\n" \
"\n" \
"(define (script_guile_eval code)\n" \
" (eval-string code)\n" \
")\n"
struct t_plugin_script *guile_scripts = NULL;
struct t_plugin_script *last_guile_script = NULL;
struct t_plugin_script *guile_current_script = NULL;
struct t_plugin_script *guile_registered_script = NULL;
const char *guile_current_script_filename = NULL;
SCM guile_module_weechat;
SCM guile_port;
char **guile_buffer_output = NULL;
struct t_guile_function
{
SCM proc; /* proc to call */
SCM *argv; /* arguments for proc */
size_t nargs; /* length of arguments */
};
/*
* string used to execute action "install":
* when signal "guile_script_install" is received, name of string
* is added to this string, to be installed later by a timer (when nothing is
* running in script)
*/
char *guile_action_install_list = NULL;
/*
* string used to execute action "remove":
* when signal "guile_script_remove" is received, name of string
* is added to this string, to be removed later by a timer (when nothing is
* running in script)
*/
char *guile_action_remove_list = NULL;
/*
* string used to execute action "autoload":
* when signal "guile_script_autoload" is received, name of string
* is added to this string, to autoload or disable autoload later by a timer
* (when nothing is running in script)
*/
char *guile_action_autoload_list = NULL;
/*
* Flushes output.
*/
void
weechat_guile_output_flush ()
{
const char *ptr_command;
char *temp_buffer, *command;
int length;
if (!*guile_buffer_output[0])
return;
/* if there's no buffer, we catch the output, so there's no flush */
if (guile_eval_mode && !guile_eval_buffer)
return;
temp_buffer = strdup (*guile_buffer_output);
if (!temp_buffer)
return;
weechat_string_dyn_copy (guile_buffer_output, NULL);
if (guile_eval_mode)
{
if (guile_eval_send_input)
{
if (guile_eval_exec_commands)
ptr_command = temp_buffer;
else
ptr_command = weechat_string_input_for_buffer (temp_buffer);
if (ptr_command)
{
weechat_command (guile_eval_buffer, temp_buffer);
}
else
{
length = 1 + strlen (temp_buffer) + 1;
command = malloc (length);
if (command)
{
snprintf (command, length, "%c%s",
temp_buffer[0], temp_buffer);
weechat_command (guile_eval_buffer,
(command[0]) ? command : " ");
free (command);
}
}
}
else
{
weechat_printf (guile_eval_buffer, "%s", temp_buffer);
}
}
else
{
/* script (no eval mode) */
weechat_printf (
NULL,
weechat_gettext ("%s: stdout/stderr (%s): %s"),
GUILE_PLUGIN_NAME,
(guile_current_script) ? guile_current_script->name : "?",
temp_buffer);
}
free (temp_buffer);
}
/*
* Executes scheme procedure with internal catch and returns value.
*/
SCM
weechat_guile_catch (void *procedure, void *data)
{
SCM value;
value = scm_internal_catch (SCM_BOOL_T,
(scm_t_catch_body)procedure,
data,
(scm_t_catch_handler) scm_handle_by_message_noexit,
NULL);
return value;
}
/*
* Encapsulates call to scm_call_n (to give arguments).
*/
SCM
weechat_guile_scm_call_n (void *proc)
{
struct t_guile_function *guile_function;
guile_function = (struct t_guile_function *)proc;
return scm_call_n (guile_function->proc,
guile_function->argv, guile_function->nargs);
}
/*
* Executes scheme function (with optional args) and returns value.
*/
SCM
weechat_guile_exec_function (const char *function, SCM *argv, size_t nargs)
{
SCM func, func2, value;
struct t_guile_function guile_function;
func = weechat_guile_catch (scm_c_lookup, (void *)function);
func2 = weechat_guile_catch (scm_variable_ref, func);
if (argv)
{
guile_function.proc = func2;
guile_function.argv = argv;
guile_function.nargs = nargs;
value = weechat_guile_catch (weechat_guile_scm_call_n, &guile_function);
}
else
{
value = weechat_guile_catch (scm_call_0, func2);
}
return value;
}
/*
* Callback called for each key/value in a hashtable.
*/
void
weechat_guile_hashtable_map_cb (void *data,
struct t_hashtable *hashtable,
const char *key,
const char *value)
{
SCM *alist, pair, list;
/* make C compiler happy */
(void) hashtable;
alist = (SCM *)data;
pair = scm_cons (scm_from_locale_string (key),
scm_from_locale_string (value));
list = scm_list_1 (pair);
*alist = scm_append (scm_list_2 (*alist, list));
}
/*
* Converts a WeeChat hashtable to a guile alist.
*/
SCM
weechat_guile_hashtable_to_alist (struct t_hashtable *hashtable)
{
SCM alist;
alist = scm_list_n (SCM_UNDEFINED);
weechat_hashtable_map_string (hashtable,
&weechat_guile_hashtable_map_cb,
&alist);
return alist;
}
/*
* Converts a guile alist to a WeeChat hashtable.
*
* Note: hashtable must be free after use.
*/
struct t_hashtable *
weechat_guile_alist_to_hashtable (SCM alist, int size, const char *type_keys,
const char *type_values)
{
struct t_hashtable *hashtable;
int length, i;
SCM pair;
char *str, *str2;
hashtable = weechat_hashtable_new (size, type_keys, type_values,
NULL, NULL);
if (!hashtable)
return NULL;
length = scm_to_int (scm_length (alist));
for (i = 0; i < length; i++)
{
pair = scm_list_ref (alist, scm_from_int (i));
if (strcmp (type_values, WEECHAT_HASHTABLE_STRING) == 0)
{
str = scm_to_locale_string (scm_list_ref (pair, scm_from_int (0)));
str2 = scm_to_locale_string (scm_list_ref (pair, scm_from_int (1)));
weechat_hashtable_set (hashtable, str, str2);
if (str)
free (str);
if (str2)
free (str2);
}
else if (strcmp (type_values, WEECHAT_HASHTABLE_POINTER) == 0)
{
str = scm_to_locale_string (scm_list_ref (pair, scm_from_int (0)));
str2 = scm_to_locale_string (scm_list_ref (pair, scm_from_int (1)));
weechat_hashtable_set (hashtable, str,
plugin_script_str2ptr (weechat_guile_plugin,
NULL, NULL, str2));
if (str)
free (str);
if (str2)
free (str2);
}
}
return hashtable;
}
/*
* Executes a guile function.
*/
void *
weechat_guile_exec (struct t_plugin_script *script,
int ret_type, const char *function,
char *format, void **argv)
{
struct t_plugin_script *old_guile_current_script;
SCM rc, old_current_module;
void *argv2[17], *ret_value, *ret_temp;
int i, argc, *ret_int;
ret_value = NULL;
old_guile_current_script = guile_current_script;
old_current_module = NULL;
if (script->interpreter)
{
old_current_module = scm_current_module ();
scm_set_current_module ((SCM)(script->interpreter));
}
guile_current_script = script;
if (argv && argv[0])
{
argc = strlen (format);
for (i = 0; i < argc; i++)
{
switch (format[i])
{
case 's': /* string or null */
if (argv[i])
argv2[i] = scm_from_locale_string ((char *)argv[i]);
else
argv2[i] = SCM_ELISP_NIL;
break;
case 'i': /* integer */
argv2[i] = scm_from_int (*((int *)argv[i]));
break;
case 'h': /* hash */
argv2[i] = weechat_guile_hashtable_to_alist (argv[i]);
break;
}
}
for (i = argc; i < 17; i++)
{
argv2[i] = SCM_UNDEFINED;
}
rc = weechat_guile_exec_function (function, (SCM *)argv2, argc);
}
else
{
rc = weechat_guile_exec_function (function, NULL, 0);
}
weechat_guile_output_flush ();
if ((ret_type == WEECHAT_SCRIPT_EXEC_STRING) && (scm_is_string (rc)))
{
ret_value = scm_to_locale_string (rc);
}
else if ((ret_type == WEECHAT_SCRIPT_EXEC_POINTER) && (scm_is_string (rc)))
{
ret_temp = scm_to_locale_string (rc);
if (ret_temp)
{
ret_value = plugin_script_str2ptr (weechat_guile_plugin,
script->name, function,
ret_temp);
free (ret_temp);
}
else
{
ret_value = NULL;
}
}
else if ((ret_type == WEECHAT_SCRIPT_EXEC_INT) && (scm_is_integer (rc)))
{
ret_int = malloc (sizeof (*ret_int));
if (ret_int)
*ret_int = scm_to_int (rc);
ret_value = ret_int;
}
else if (ret_type == WEECHAT_SCRIPT_EXEC_HASHTABLE)
{
ret_value = weechat_guile_alist_to_hashtable (rc,
WEECHAT_SCRIPT_HASHTABLE_DEFAULT_SIZE,
WEECHAT_HASHTABLE_STRING,
WEECHAT_HASHTABLE_STRING);
}
else
{
if (ret_type != WEECHAT_SCRIPT_EXEC_IGNORE)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: function \"%s\" must "
"return a valid value"),
weechat_prefix ("error"), GUILE_PLUGIN_NAME,
function);
}
}
if ((ret_type != WEECHAT_SCRIPT_EXEC_IGNORE) && !ret_value)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: error in function \"%s\""),
weechat_prefix ("error"), GUILE_PLUGIN_NAME, function);
}
if (old_current_module)
scm_set_current_module (old_current_module);
guile_current_script = old_guile_current_script;
return ret_value;
}
/*
* Initializes guile module for a script file.
*/
void
weechat_guile_module_init_file (void *filename)
{
SCM rc;
weechat_guile_catch (scm_c_eval_string, "(use-modules (weechat))");
rc = weechat_guile_catch (scm_c_primitive_load, filename);
/* error loading script? */
if (rc == SCM_BOOL_F)
{
/* if script was registered, remove it from list */
if (guile_current_script)
{
plugin_script_remove (weechat_guile_plugin,
&guile_scripts, &last_guile_script,
guile_current_script);
}
guile_current_script = NULL;
guile_registered_script = NULL;
}
}
/*
* Initializes guile module for a string with guile code.
*/
void
weechat_guile_module_init_code (void *code)
{
SCM rc;
weechat_guile_catch (scm_c_eval_string, "(use-modules (weechat))");
rc = weechat_guile_catch (scm_c_eval_string, code);
/* error loading script? */
if (rc == SCM_BOOL_F)
{
/* if script was registered, remove it from list */
if (guile_current_script)
{
plugin_script_remove (weechat_guile_plugin,
&guile_scripts, &last_guile_script,
guile_current_script);
}
guile_current_script = NULL;
guile_registered_script = NULL;
}
}
/*
* Loads a guile script.
*
* If code is NULL, the content of filename is read and executed.
* If code is not NULL, it is executed (the file is not read).
*
* Returns pointer to new registered script, NULL if error.
*/
struct t_plugin_script *
weechat_guile_load (const char *filename, const char *code)
{
char *filename2, *ptr_base_name, *base_name;
SCM module;
struct stat buf;
if (!code)
{
if (stat (filename, &buf) != 0)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not found"),
weechat_prefix ("error"), GUILE_PLUGIN_NAME,
filename);
return NULL;
}
}
if ((weechat_guile_plugin->debug >= 2) || !guile_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: loading script \"%s\""),
GUILE_PLUGIN_NAME, filename);
}
guile_current_script = NULL;
guile_registered_script = NULL;
guile_current_script_filename = filename;
if (code)
{
module = scm_c_define_module (filename,
&weechat_guile_module_init_code,
(char *)code);
}
else
{
filename2 = strdup (filename);
if (!filename2)
return NULL;
ptr_base_name = basename (filename2);
base_name = strdup (ptr_base_name);
module = scm_c_define_module (base_name,
&weechat_guile_module_init_file,
filename2);
free (filename2);
}
if (!guile_registered_script)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: function \"register\" not "
"found (or failed) in file \"%s\""),
weechat_prefix ("error"), GUILE_PLUGIN_NAME, filename);
return NULL;
}
weechat_guile_catch (scm_gc_protect_object, (void *)module);
guile_current_script = guile_registered_script;
/*
* set input/close callbacks for buffers created by this script
* (to restore callbacks after upgrade)
*/
plugin_script_set_buffer_callbacks (weechat_guile_plugin,
guile_scripts,
guile_current_script,
&weechat_guile_api_buffer_input_data_cb,
&weechat_guile_api_buffer_close_cb);
(void) weechat_hook_signal_send ("guile_script_loaded",
WEECHAT_HOOK_SIGNAL_STRING,
guile_current_script->filename);
return guile_current_script;
}
/*
* Callback for script_auto_load() function.
*/
void
weechat_guile_load_cb (void *data, const char *filename)
{
const char *pos_dot;
/* make C compiler happy */
(void) data;
pos_dot = strrchr (filename, '.');
if (pos_dot && (strcmp (pos_dot, ".scm") == 0))
weechat_guile_load (filename, NULL);
}
/*
* Unloads a guile script.
*/
void
weechat_guile_unload (struct t_plugin_script *script)
{
int *rc;
void *interpreter;
char *filename;
if ((weechat_guile_plugin->debug >= 2) || !guile_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: unloading script \"%s\""),
GUILE_PLUGIN_NAME, script->name);
}
if (script->shutdown_func && script->shutdown_func[0])
{
rc = (int *)weechat_guile_exec (script, WEECHAT_SCRIPT_EXEC_INT,
script->shutdown_func, NULL, NULL);
if (rc)
free (rc);
}
filename = strdup (script->filename);
interpreter = script->interpreter;
if (guile_current_script == script)
guile_current_script = (guile_current_script->prev_script) ?
guile_current_script->prev_script : guile_current_script->next_script;
plugin_script_remove (weechat_guile_plugin, &guile_scripts, &last_guile_script,
script);
if (interpreter)
weechat_guile_catch (scm_gc_unprotect_object, interpreter);
if (guile_current_script)
scm_set_current_module ((SCM)(guile_current_script->interpreter));
(void) weechat_hook_signal_send ("guile_script_unloaded",
WEECHAT_HOOK_SIGNAL_STRING, filename);
if (filename)
free (filename);
}
/*
* Unloads a guile script by name.
*/
void
weechat_guile_unload_name (const char *name)
{
struct t_plugin_script *ptr_script;
ptr_script = plugin_script_search (guile_scripts, name);
if (ptr_script)
{
weechat_guile_unload (ptr_script);
if (!guile_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: script \"%s\" unloaded"),
GUILE_PLUGIN_NAME, name);
}
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not loaded"),
weechat_prefix ("error"), GUILE_PLUGIN_NAME, name);
}
}
/*
* Unloads all guile scripts.
*/
void
weechat_guile_unload_all ()
{
while (guile_scripts)
{
weechat_guile_unload (guile_scripts);
}
}
/*
* Reloads a guile script by name.
*/
void
weechat_guile_reload_name (const char *name)
{
struct t_plugin_script *ptr_script;
char *filename;
ptr_script = plugin_script_search (guile_scripts, name);
if (ptr_script)
{
filename = strdup (ptr_script->filename);
if (filename)
{
weechat_guile_unload (ptr_script);
if (!guile_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: script \"%s\" unloaded"),
GUILE_PLUGIN_NAME, name);
}
weechat_guile_load (filename, NULL);
free (filename);
}
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not loaded"),
weechat_prefix ("error"), GUILE_PLUGIN_NAME, name);
}
}
/*
* Evaluates guile source code.
*
* Returns:
* 1: OK
* 0: error
*/
int
weechat_guile_eval (struct t_gui_buffer *buffer, int send_to_buffer_as_input,
int exec_commands, const char *code)
{
void *func_argv[1], *result;
if (!guile_script_eval)
{
guile_quiet = 1;
guile_script_eval = weechat_guile_load (WEECHAT_SCRIPT_EVAL_NAME,
GUILE_EVAL_SCRIPT);
guile_quiet = 0;
if (!guile_script_eval)
return 0;
}
weechat_guile_output_flush ();
guile_eval_mode = 1;
guile_eval_send_input = send_to_buffer_as_input;
guile_eval_exec_commands = exec_commands;
guile_eval_buffer = buffer;
func_argv[0] = (char *)code;
result = weechat_guile_exec (guile_script_eval,
WEECHAT_SCRIPT_EXEC_IGNORE,
"script_guile_eval",
"s", func_argv);
/* result is ignored */
if (result)
free (result);
weechat_guile_output_flush ();
guile_eval_mode = 0;
guile_eval_send_input = 0;
guile_eval_exec_commands = 0;
guile_eval_buffer = NULL;
if (!weechat_config_boolean (guile_config_look_eval_keep_context))
{
guile_quiet = 1;
weechat_guile_unload (guile_script_eval);
guile_quiet = 0;
guile_script_eval = NULL;
}
return 1;
}
/*
* Callback for command "/guile".
*/
int
weechat_guile_command_cb (const void *pointer, void *data,
struct t_gui_buffer *buffer,
int argc, char **argv, char **argv_eol)
{
char *ptr_name, *ptr_code, *path_script;
int i, send_to_buffer_as_input, exec_commands;
/* make C compiler happy */
(void) pointer;
(void) data;
if (argc == 1)
{
plugin_script_display_list (weechat_guile_plugin, guile_scripts,
NULL, 0);
}
else if (argc == 2)
{
if (weechat_strcmp (argv[1], "list") == 0)
{
plugin_script_display_list (weechat_guile_plugin, guile_scripts,
NULL, 0);
}
else if (weechat_strcmp (argv[1], "listfull") == 0)
{
plugin_script_display_list (weechat_guile_plugin, guile_scripts,
NULL, 1);
}
else if (weechat_strcmp (argv[1], "autoload") == 0)
{
plugin_script_auto_load (weechat_guile_plugin, &weechat_guile_load_cb);
}
else if (weechat_strcmp (argv[1], "reload") == 0)
{
weechat_guile_unload_all ();
plugin_script_auto_load (weechat_guile_plugin, &weechat_guile_load_cb);
}
else if (weechat_strcmp (argv[1], "unload") == 0)
{
weechat_guile_unload_all ();
}
else if (weechat_strcmp (argv[1], "version") == 0)
{
plugin_script_display_interpreter (weechat_guile_plugin, 0);
}
else
WEECHAT_COMMAND_ERROR;
}
else
{
if (weechat_strcmp (argv[1], "list") == 0)
{
plugin_script_display_list (weechat_guile_plugin, guile_scripts,
argv_eol[2], 0);
}
else if (weechat_strcmp (argv[1], "listfull") == 0)
{
plugin_script_display_list (weechat_guile_plugin, guile_scripts,
argv_eol[2], 1);
}
else if ((weechat_strcmp (argv[1], "load") == 0)
|| (weechat_strcmp (argv[1], "reload") == 0)
|| (weechat_strcmp (argv[1], "unload") == 0))
{
ptr_name = argv_eol[2];
if (strncmp (ptr_name, "-q ", 3) == 0)
{
guile_quiet = 1;
ptr_name += 3;
while (ptr_name[0] == ' ')
{
ptr_name++;
}
}
if (weechat_strcmp (argv[1], "load") == 0)
{
/* load guile script */
path_script = plugin_script_search_path (weechat_guile_plugin,
ptr_name, 1);
weechat_guile_load ((path_script) ? path_script : ptr_name,
NULL);
if (path_script)
free (path_script);
}
else if (weechat_strcmp (argv[1], "reload") == 0)
{
/* reload one guile script */
weechat_guile_reload_name (ptr_name);
}
else if (weechat_strcmp (argv[1], "unload") == 0)
{
/* unload guile script */
weechat_guile_unload_name (ptr_name);
}
guile_quiet = 0;
}
else if (weechat_strcmp (argv[1], "eval") == 0)
{
send_to_buffer_as_input = 0;
exec_commands = 0;
ptr_code = argv_eol[2];
for (i = 2; i < argc; i++)
{
if (argv[i][0] == '-')
{
if (strcmp (argv[i], "-o") == 0)
{
if (i + 1 >= argc)
WEECHAT_COMMAND_ERROR;
send_to_buffer_as_input = 1;
exec_commands = 0;
ptr_code = argv_eol[i + 1];
}
else if (strcmp (argv[i], "-oc") == 0)
{
if (i + 1 >= argc)
WEECHAT_COMMAND_ERROR;
send_to_buffer_as_input = 1;
exec_commands = 1;
ptr_code = argv_eol[i + 1];
}
}
else
break;
}
if (!weechat_guile_eval (buffer, send_to_buffer_as_input,
exec_commands, ptr_code))
WEECHAT_COMMAND_ERROR;
}
else
WEECHAT_COMMAND_ERROR;
}
return WEECHAT_RC_OK;
}
/*
* Adds guile scripts to completion list.
*/
int
weechat_guile_completion_cb (const void *pointer, void *data,
const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) completion_item;
(void) buffer;
plugin_script_completion (weechat_guile_plugin, completion, guile_scripts);
return WEECHAT_RC_OK;
}
/*
* Returns hdata for guile scripts.
*/
struct t_hdata *
weechat_guile_hdata_cb (const void *pointer, void *data,
const char *hdata_name)
{
/* make C compiler happy */
(void) pointer;
(void) data;
return plugin_script_hdata_script (weechat_plugin,
&guile_scripts, &last_guile_script,
hdata_name);
}
/*
* Returns guile info "guile_eval".
*/
char *
weechat_guile_info_eval_cb (const void *pointer, void *data,
const char *info_name,
const char *arguments)
{
char *output;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) info_name;
weechat_guile_eval (NULL, 0, 0, (arguments) ? arguments : "");
output = strdup (*guile_buffer_output);
weechat_string_dyn_copy (guile_buffer_output, NULL);
return output;
}
/*
* Returns infolist with guile scripts.
*/
struct t_infolist *
weechat_guile_infolist_cb (const void *pointer, void *data,
const char *infolist_name,
void *obj_pointer, const char *arguments)
{
/* make C compiler happy */
(void) pointer;
(void) data;
if (!infolist_name || !infolist_name[0])
return NULL;
if (strcmp (infolist_name, "guile_script") == 0)
{
return plugin_script_infolist_list_scripts (weechat_guile_plugin,
guile_scripts, obj_pointer,
arguments);
}
return NULL;
}
/*
* Dumps guile plugin data in WeeChat log file.
*/
int
weechat_guile_signal_debug_dump_cb (const void *pointer, void *data,
const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
if (!signal_data || (strcmp ((char *)signal_data, GUILE_PLUGIN_NAME) == 0))
{
plugin_script_print_log (weechat_guile_plugin, guile_scripts);
}
return WEECHAT_RC_OK;
}
/*
* Timer for executing actions.
*/
int
weechat_guile_timer_action_cb (const void *pointer, void *data,
int remaining_calls)
{
/* make C compiler happy */
(void) data;
(void) remaining_calls;
if (pointer)
{
if (pointer == &guile_action_install_list)
{
plugin_script_action_install (weechat_guile_plugin,
guile_scripts,
&weechat_guile_unload,
&weechat_guile_load,
&guile_quiet,
&guile_action_install_list);
}
else if (pointer == &guile_action_remove_list)
{
plugin_script_action_remove (weechat_guile_plugin,
guile_scripts,
&weechat_guile_unload,
&guile_quiet,
&guile_action_remove_list);
}
else if (pointer == &guile_action_autoload_list)
{
plugin_script_action_autoload (weechat_guile_plugin,
&guile_quiet,
&guile_action_autoload_list);
}
}
return WEECHAT_RC_OK;
}
/*
* Callback called when a script action is asked (install/remove a script).
*/
int
weechat_guile_signal_script_action_cb (const void *pointer, void *data,
const char *signal,
const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
if (strcmp (type_data, WEECHAT_HOOK_SIGNAL_STRING) == 0)
{
if (strcmp (signal, "guile_script_install") == 0)
{
plugin_script_action_add (&guile_action_install_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_guile_timer_action_cb,
&guile_action_install_list, NULL);
}
else if (strcmp (signal, "guile_script_remove") == 0)
{
plugin_script_action_add (&guile_action_remove_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_guile_timer_action_cb,
&guile_action_remove_list, NULL);
}
else if (strcmp (signal, "guile_script_autoload") == 0)
{
plugin_script_action_add (&guile_action_autoload_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_guile_timer_action_cb,
&guile_action_autoload_list, NULL);
}
}
return WEECHAT_RC_OK;
}
/*
* Fills input.
*/
#if SCM_MAJOR_VERSION >= 3 || (SCM_MAJOR_VERSION == 2 && SCM_MINOR_VERSION >= 2)
/* Guile >= 2.2 */
size_t
weechat_guile_port_fill_input (SCM port, SCM dst, size_t start, size_t count)
{
/* make C compiler happy */
(void) port;
memset (SCM_BYTEVECTOR_CONTENTS (dst) + start, ' ', count);
return count;
}
#else
/* Guile < 2.2 */
int
weechat_guile_port_fill_input (SCM port)
{
/* make C compiler happy */
(void) port;
return ' ';
}
#endif
/*
* Write.
*/
#if SCM_MAJOR_VERSION >= 3 || (SCM_MAJOR_VERSION == 2 && SCM_MINOR_VERSION >= 2)
/* Guile >= 2.2 */
size_t
weechat_guile_port_write (SCM port, SCM src, size_t start, size_t count)
{
char *data2, *ptr_data, *ptr_newline;
const signed char *data;
/* make C compiler happy */
(void) port;
data = SCM_BYTEVECTOR_CONTENTS (src);
data2 = malloc (count + 1);
if (!data2)
return 0;
memcpy (data2, data + start, count);
data2[count] = '\0';
ptr_data = data2;
while ((ptr_newline = strchr (ptr_data, '\n')) != NULL)
{
weechat_string_dyn_concat (guile_buffer_output,
ptr_data,
ptr_newline - ptr_data);
weechat_guile_output_flush ();
ptr_data = ++ptr_newline;
}
weechat_string_dyn_concat (guile_buffer_output, ptr_data, -1);
free (data2);
return count;
}
#else
/* Guile < 2.2 */
void
weechat_guile_port_write (SCM port, const void *data, size_t size)
{
char *data2, *ptr_data, *ptr_newline;
/* make C compiler happy */
(void) port;
data2 = malloc (size + 1);
if (!data2)
return;
memcpy (data2, data, size);
data2[size] = '\0';
ptr_data = data2;
while ((ptr_newline = strchr (ptr_data, '\n')) != NULL)
{
weechat_string_dyn_concat (guile_buffer_output,
ptr_data,
ptr_newline - ptr_data);
weechat_guile_output_flush ();
ptr_data = ++ptr_newline;
}
weechat_string_dyn_concat (guile_buffer_output, ptr_data, -1);
free (data2);
}
#endif
/*
* Callback called by scm_with_guile().
*/
void *
weechat_guile_init (void *data)
{
/* make C compiler happy */
(void) data;
return NULL;
}
/*
* Initializes guile plugin.
*/
int
weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
{
char str_version[128];
/* make C compiler happy */
(void) argc;
(void) argv;
weechat_guile_plugin = plugin;
guile_quiet = 0;
guile_eval_mode = 0;
guile_eval_send_input = 0;
guile_eval_exec_commands = 0;
/* set interpreter name and version */
weechat_hashtable_set (plugin->variables, "interpreter_name",
plugin->name);
#if defined(SCM_MAJOR_VERSION) && defined(SCM_MINOR_VERSION) && defined(SCM_MICRO_VERSION)
snprintf (str_version, sizeof (str_version),
"%d.%d.%d",
SCM_MAJOR_VERSION,
SCM_MINOR_VERSION,
SCM_MICRO_VERSION);
weechat_hashtable_set (plugin->variables, "interpreter_version",
str_version);
#else
(void) str_version;
weechat_hashtable_set (plugin->variables, "interpreter_version",
"");
#endif /* defined(SCM_MAJOR_VERSION) && defined(SCM_MINOR_VERSION) && defined(SCM_MICRO_VERSION) */
/* init stdout/stderr buffer */
guile_buffer_output = weechat_string_dyn_alloc (256);
if (!guile_buffer_output)
return WEECHAT_RC_ERROR;
#if defined(HAVE_GUILE_GMP_MEMORY_FUNCTIONS) && (SCM_MAJOR_VERSION < 3 || (SCM_MAJOR_VERSION == 3 && SCM_MINOR_VERSION == 0 && SCM_MICRO_VERSION < 8))
/*
* prevent guile to use its own gmp allocator, because it can conflict
* with other plugins using GnuTLS like relay, which can crash WeeChat
* on unload (or exit); this is not needed any more with Guile ≥ 3.0.8
*/
scm_install_gmp_memory_functions = 0;
#endif /* defined(HAVE_GUILE_GMP_MEMORY_FUNCTIONS) && (SCM_MAJOR_VERSION < 3 || (SCM_MAJOR_VERSION == 3 && SCM_MINOR_VERSION == 0 && SCM_MICRO_VERSION < 8)) */
#if defined(__MACH__) || SCM_MAJOR_VERSION < 3
/*
* on GNU/Hurd or if using Guile < 3, use scm_with_guile() instead of
* scm_init_guile() to prevent crash on exit
*/
scm_with_guile (&weechat_guile_init, NULL);
#else
/* any other OS (not GNU/Hurd) or Guile >= 3.x */
scm_init_guile ();
#endif
guile_module_weechat = scm_c_define_module ("weechat",
&weechat_guile_api_module_init,
NULL);
scm_c_use_module ("weechat");
weechat_guile_catch (scm_gc_protect_object, (void *)guile_module_weechat);
guile_data.config_file = &guile_config_file;
guile_data.config_look_check_license = &guile_config_look_check_license;
guile_data.config_look_eval_keep_context = &guile_config_look_eval_keep_context;
guile_data.scripts = &guile_scripts;
guile_data.last_script = &last_guile_script;
guile_data.callback_command = &weechat_guile_command_cb;
guile_data.callback_completion = &weechat_guile_completion_cb;
guile_data.callback_hdata = &weechat_guile_hdata_cb;
guile_data.callback_info_eval = &weechat_guile_info_eval_cb;
guile_data.callback_infolist = &weechat_guile_infolist_cb;
guile_data.callback_signal_debug_dump = &weechat_guile_signal_debug_dump_cb;
guile_data.callback_signal_script_action = &weechat_guile_signal_script_action_cb;
guile_data.callback_load_file = &weechat_guile_load_cb;
guile_data.unload_all = &weechat_guile_unload_all;
guile_quiet = 1;
plugin_script_init (weechat_guile_plugin, &guile_data);
guile_quiet = 0;
plugin_script_display_short_list (weechat_guile_plugin,
guile_scripts);
/* init OK */
return WEECHAT_RC_OK;
}
/*
* Ends guile plugin.
*/
int
weechat_plugin_end (struct t_weechat_plugin *plugin)
{
/* unload all scripts */
guile_quiet = 1;
if (guile_script_eval)
{
weechat_guile_unload (guile_script_eval);
guile_script_eval = NULL;
}
plugin_script_end (plugin, &guile_data);
guile_quiet = 0;
/* unprotect module */
weechat_guile_catch (scm_gc_unprotect_object, (void *)guile_module_weechat);
/* free some data */
if (guile_action_install_list)
{
free (guile_action_install_list);
guile_action_install_list = NULL;
}
if (guile_action_remove_list)
{
free (guile_action_remove_list);
guile_action_remove_list = NULL;
}
if (guile_action_autoload_list)
{
free (guile_action_autoload_list);
guile_action_autoload_list = NULL;
}
weechat_string_dyn_free (guile_buffer_output, 1);
guile_buffer_output = NULL;
return WEECHAT_RC_OK;
}
View Git Blame Copy Permalink