21576993800

Committed 02 Feb 2026 01:15AM UTC coverage: 42.169% (+0.2%) from 42.019%

Build # 21576993800

Build Type

push

github

Committed by

flatcap

Commit Message

build: force all-docs before validation

Run Details

11846 of 28092 relevant lines covered (42.17%)

447.19 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

14.62

/lua/lua.c

/**
 * @file
 * Integrated Lua scripting
 *
 * @authors
 * Copyright (C) 2016-2017 Bernard Pratz <z+mutt+pub@m0g.net>
 * Copyright (C) 2017-2025 Richard Russon <rich@flatcap.org>
 * Copyright (C) 2018 Victor Fernandes <criw@pm.me>
 * Copyright (C) 2019 Ian Zimmerman <itz@no-use.mooo.com>
 * Copyright (C) 2019-2020 Pietro Cerutti <gahr@gahr.ch>
 * Copyright (C) 2023 Rayford Shireman
 *
 * @copyright
 * This program 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 of the License, or (at your option) any later
 * version.
 *
 * This program 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
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @page lua_lua Integrated Lua scripting
 *
 * Integrated Lua scripting
 */

#ifndef LUA_COMPAT_ALL
#define LUA_COMPAT_ALL
#endif
#ifndef LUA_COMPAT_5_1
#define LUA_COMPAT_5_1
#endif

#include "config.h"
#include <lauxlib.h>
#include <lua.h>
#include <lualib.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "parse/lib.h"
#include "muttlib.h"
#include "version.h"

/// Global Lua State
lua_State *LuaState = NULL;

/**
 * lua_handle_panic - Handle a panic in the Lua interpreter
 * @param l Lua State
 * @retval -1 Always
 */
static int lua_handle_panic(lua_State *l)
{
  mutt_debug(LL_DEBUG1, "lua runtime panic: %s\n", lua_tostring(l, -1));
  mutt_error("Lua runtime panic: %s", lua_tostring(l, -1));
  lua_pop(l, 1);
  return -1;
}

/**
 * lua_handle_error - Handle an error in the Lua interpreter
 * @param l Lua State
 * @retval -1 Always
 */
static int lua_handle_error(lua_State *l)
{
  mutt_debug(LL_DEBUG1, "lua runtime error: %s\n", lua_tostring(l, -1));
  mutt_error("Lua runtime error: %s", lua_tostring(l, -1));
  lua_pop(l, 1);
  return -1;
}

/**
 * lua_cb_global_call - Call a NeoMutt command by name
 * @param l Lua State
 * @retval >=0 Success
 * @retval -1 Error
 */
static int lua_cb_global_call(lua_State *l)
{
  mutt_debug(LL_DEBUG2, "enter\n");
  struct Buffer *buf = buf_pool_get();
  struct ParseContext *pc = parse_context_new();
  struct ParseError *pe = parse_error_new();
  const struct Command *cmd = NULL;
  int rc = 0;

  if (lua_gettop(l) == 0)
  {
    luaL_error(l, "Error command argument required");
    return -1;
  }

  cmd = commands_get(&NeoMutt->commands, lua_tostring(l, 1));
  if (!cmd)
  {
    luaL_error(l, "Error command %s not found", lua_tostring(l, 1));
    return -1;
  }

  for (int i = 2; i <= lua_gettop(l); i++)
  {
    buf_addstr(buf, lua_tostring(l, i));
    buf_addch(buf, ' ');
  }
  buf_seek(buf, 0);

  if (cmd->parse(cmd, buf, pc, pe))
  {
    luaL_error(l, "NeoMutt error: %s", buf_string(pe->message));
    rc = -1;
  }
  else
  {
    if (!lua_pushstring(l, buf_string(pe->message)))
      lua_handle_error(l);
    else
      rc++;
  }

  buf_pool_release(&buf);
  parse_context_free(&pc);
  parse_error_free(&pe);
  return rc;
}

/**
 * lua_cb_global_set - Set a NeoMutt variable
 * @param l Lua State
 * @retval  0 Success
 * @retval -1 Error
 */
static int lua_cb_global_set(lua_State *l)
{
  const char *param = lua_tostring(l, -2);
  mutt_debug(LL_DEBUG2, "%s\n", param);

  struct Buffer *err = buf_pool_get();
  struct HashElem *he = cs_subset_lookup(NeoMutt->sub, param);
  if (!he)
  {
    // In case it is a my_var, we have to create it
    if (mutt_str_startswith(param, "my_"))
    {
      struct ConfigDef my_cdef = { 0 };
      my_cdef.name = param;
      my_cdef.type = DT_MYVAR;
      he = cs_create_variable(NeoMutt->sub->cs, &my_cdef, err);
      if (!he)
        return -1;
    }
    else
    {
      luaL_error(l, "NeoMutt parameter not found %s", param);
      return -1;
    }
  }

  struct ConfigDef *cdef = he->data;

  int rc = 0;

  switch (CONFIG_TYPE(cdef->type))
  {
    case DT_ADDRESS:
    case DT_ENUM:
    case DT_EXPANDO:
    case DT_MBTABLE:
    case DT_MYVAR:
    case DT_PATH:
    case DT_REGEX:
    case DT_SLIST:
    case DT_SORT:
    case DT_STRING:
    {
      const char *value = lua_tostring(l, -1);
      size_t val_size = lua_rawlen(l, -1);
      struct Buffer *value_buf = buf_pool_get();
      buf_strcpy_n(value_buf, value, val_size);
      if (CONFIG_TYPE(he->type) == DT_PATH)
        expand_path(value_buf, false);

      int rv = cs_subset_he_string_set(NeoMutt->sub, he, buf_string(value_buf), err);
      buf_pool_release(&value_buf);
      if (CSR_RESULT(rv) != CSR_SUCCESS)
        rc = -1;
      break;
    }
    case DT_LONG:
    case DT_NUMBER:
    case DT_QUAD:
    {
      const intptr_t value = lua_tointeger(l, -1);
      int rv = cs_subset_he_native_set(NeoMutt->sub, he, value, err);
      if (CSR_RESULT(rv) != CSR_SUCCESS)
        rc = -1;
      break;
    }
    case DT_BOOL:
    {
      const intptr_t value = lua_toboolean(l, -1);
      int rv = cs_subset_he_native_set(NeoMutt->sub, he, value, err);
      if (CSR_RESULT(rv) != CSR_SUCCESS)
        rc = -1;
      break;
    }
    default:
      luaL_error(l, "Unsupported NeoMutt parameter type %d for %s",
                 CONFIG_TYPE(cdef->type), param);
      rc = -1;
      break;
  }

  buf_pool_release(&err);
  return rc;
}

/**
 * lua_cb_global_get - Get a NeoMutt variable
 * @param l Lua State
 * @retval  1 Success
 * @retval -1 Error
 */
static int lua_cb_global_get(lua_State *l)
{
  const char *param = lua_tostring(l, -1);
  mutt_debug(LL_DEBUG2, "%s\n", param);

  struct HashElem *he = cs_subset_lookup(NeoMutt->sub, param);
  if (!he)
  {
    mutt_debug(LL_DEBUG2, "error\n");
    luaL_error(l, "NeoMutt parameter not found %s", param);
    return -1;
  }

  struct ConfigDef *cdef = he->data;

  switch (CONFIG_TYPE(cdef->type))
  {
    case DT_ADDRESS:
    case DT_ENUM:
    case DT_EXPANDO:
    case DT_MBTABLE:
    case DT_MYVAR:
    case DT_PATH:
    case DT_REGEX:
    case DT_SLIST:
    case DT_SORT:
    case DT_STRING:
    {
      struct Buffer *value = buf_pool_get();
      int rc = cs_subset_he_string_get(NeoMutt->sub, he, value);
      if (CSR_RESULT(rc) != CSR_SUCCESS)
      {
        buf_pool_release(&value);
        return -1;
      }

      struct Buffer *escaped = buf_pool_get();
      escape_string(escaped, buf_string(value));
      lua_pushstring(l, buf_string(escaped));
      buf_pool_release(&value);
      buf_pool_release(&escaped);
      return 1;
    }
    case DT_QUAD:
      lua_pushinteger(l, (unsigned char) cdef->var);
      return 1;
    case DT_LONG:
      lua_pushinteger(l, (signed long) cdef->var);
      return 1;
    case DT_NUMBER:
      lua_pushinteger(l, (signed short) cdef->var);
      return 1;
    case DT_BOOL:
      lua_pushboolean(l, (bool) cdef->var);
      return 1;
    default:
      luaL_error(l, "NeoMutt parameter type %d unknown for %s", cdef->type, param);
      return -1;
  }
}

/**
 * lua_cb_global_enter - Execute NeoMutt config from Lua
 * @param l Lua State
 * @retval >=0 Success
 * @retval -1  Error
 */
static int lua_cb_global_enter(lua_State *l)
{
  mutt_debug(LL_DEBUG2, "enter\n");
  struct Buffer *line = buf_pool_get();
  struct ParseContext *pc = parse_context_new();
  struct ParseError *pe = parse_error_new();

  buf_strcpy(line, lua_tostring(l, -1));
  int rc = 0;

  if (parse_rc_line(line, pc, pe))
  {
    luaL_error(l, "NeoMutt error: %s", buf_string(pe->message));
    rc = -1;
  }
  else
  {
    if (!lua_pushstring(l, buf_string(pe->message)))
      lua_handle_error(l);
    else
      rc++;
  }

  buf_pool_release(&line);
  parse_context_free(&pc);
  parse_error_free(&pe);

  return rc;
}

/**
 * lua_cb_global_message - Display a message in NeoMutt
 * @param l Lua State
 * @retval 0 Always
 */
static int lua_cb_global_message(lua_State *l)
{
  mutt_debug(LL_DEBUG2, "enter\n");
  const char *msg = lua_tostring(l, -1);
  if (msg)
    mutt_message("%s", msg);
  return 0;
}

/**
 * lua_cb_global_error - Display an error in NeoMutt
 * @param l Lua State
 * @retval 0 Always
 */
static int lua_cb_global_error(lua_State *l)
{
  mutt_debug(LL_DEBUG2, "enter\n");
  const char *msg = lua_tostring(l, -1);
  if (msg)
    mutt_error("%s", msg);
  return 0;
}

/**
 * lua_expose_command - Expose a NeoMutt command to the Lua interpreter
 * @param l   Lua state
 * @param cmd NeoMutt Command
 */
static void lua_expose_command(lua_State *l, const struct Command *cmd)
{
  char buf[1024] = { 0 };
  snprintf(buf, sizeof(buf), "mutt.command.%s = function (...); mutt.call('%s', ...); end",
           cmd->name, cmd->name);
  (void) luaL_dostring(l, buf);
}

/**
 * LuaMuttCommands - List of Lua commands to register
 *
 * In NeoMutt, run:
 *
 * `:lua mutt.message('hello')`
 *
 * and it will call lua_cb_global_message()
 */
static const luaL_Reg LuaMuttCommands[] = {
  // clang-format off
  { "set",     lua_cb_global_set },
  { "get",     lua_cb_global_get },
  { "call",    lua_cb_global_call },
  { "enter",   lua_cb_global_enter },
  { "print",   lua_cb_global_message },
  { "message", lua_cb_global_message },
  { "error",   lua_cb_global_error },
  { NULL, NULL },
  // clang-format on
};

/**
 * lua_expose_commands - Declare some NeoMutt types to the Lua interpreter
 * @param l Lua State
 * @retval 1 Always
 */
static int lua_expose_commands(lua_State *l)
{
  mutt_debug(LL_DEBUG2, "enter\n");
  luaL_newlib(l, LuaMuttCommands);
  int lib_idx = lua_gettop(l);

  // clang-format off
  lua_pushstring(l, "VERSION");     lua_pushstring(l, mutt_make_version()); lua_settable(l, lib_idx);
  lua_pushstring(l, "QUAD_YES");    lua_pushinteger(l, MUTT_YES);           lua_settable(l, lib_idx);
  lua_pushstring(l, "QUAD_NO");     lua_pushinteger(l, MUTT_NO);            lua_settable(l, lib_idx);
  lua_pushstring(l, "QUAD_ASKYES"); lua_pushinteger(l, MUTT_ASKYES);        lua_settable(l, lib_idx);
  lua_pushstring(l, "QUAD_ASKNO");  lua_pushinteger(l, MUTT_ASKNO);         lua_settable(l, lib_idx);
  // clang-format on

  return 1;
}

/**
 * lua_expose_mutt - Expose a 'Mutt' object to the Lua interpreter
 * @param l Lua State
 */
static void lua_expose_mutt(lua_State *l)
{
  luaL_requiref(l, "mutt", lua_expose_commands, 1);
  (void) luaL_dostring(l, "mutt.command = {}");

  const struct Command **cp = NULL;
  ARRAY_FOREACH(cp, &NeoMutt->commands)
  {
    const struct Command *cmd = *cp;

    lua_expose_command(l, cmd);
  }
}

/**
 * lua_init_state - Initialise a Lua State
 * @param[out] l Lua State
 * @retval true Successful
 */
bool lua_init_state(lua_State **l)
{
  if (!l)
    return false;
  if (*l)
    return true;

  mutt_debug(LL_DEBUG2, "enter\n");
  *l = luaL_newstate();

  if (!*l)
  {
    mutt_error(_("Error: Couldn't load the lua interpreter"));
    return false;
  }

  lua_atpanic(*l, lua_handle_panic);

  /* load various Lua libraries */
  luaL_openlibs(*l);
  lua_expose_mutt(*l);

  return true;
}

1	/**
2	* @file
3	* Integrated Lua scripting
4	*
5	* @authors
6	* Copyright (C) 2016-2017 Bernard Pratz <z+mutt+pub@m0g.net>
7	* Copyright (C) 2017-2025 Richard Russon <rich@flatcap.org>
8	* Copyright (C) 2018 Victor Fernandes <criw@pm.me>
9	* Copyright (C) 2019 Ian Zimmerman <itz@no-use.mooo.com>
10	* Copyright (C) 2019-2020 Pietro Cerutti <gahr@gahr.ch>
11	* Copyright (C) 2023 Rayford Shireman
12	*
13	* @copyright
14	* This program is free software: you can redistribute it and/or modify it under
15	* the terms of the GNU General Public License as published by the Free Software
16	* Foundation, either version 2 of the License, or (at your option) any later
17	* version.
18	*
19	* This program is distributed in the hope that it will be useful, but WITHOUT
20	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
21	* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
22	* details.
23	*
24	* You should have received a copy of the GNU General Public License along with
25	* this program. If not, see <http://www.gnu.org/licenses/>.
26	*/
27
28	/**
29	* @page lua_lua Integrated Lua scripting
30	*
31	* Integrated Lua scripting
32	*/
33
34	#ifndef LUA_COMPAT_ALL
35	#define LUA_COMPAT_ALL
36	#endif
37	#ifndef LUA_COMPAT_5_1
38	#define LUA_COMPAT_5_1
39	#endif
40
41	#include "config.h"
42	#include <lauxlib.h>
43	#include <lua.h>
44	#include <lualib.h>
45	#include <stdbool.h>
46	#include <stdint.h>
47	#include <stdio.h>
48	#include "mutt/lib.h"
49	#include "config/lib.h"
50	#include "core/lib.h"
51	#include "parse/lib.h"
52	#include "muttlib.h"
53	#include "version.h"
54
55	/// Global Lua State
56	lua_State *LuaState = NULL;
57
58	/**
59	* lua_handle_panic - Handle a panic in the Lua interpreter
60	* @param l Lua State
61	* @retval -1 Always
62	*/
63	static int lua_handle_panic(lua_State *l)	×
64	{
65	mutt_debug(LL_DEBUG1, "lua runtime panic: %s\n", lua_tostring(l, -1));	×
66	mutt_error("Lua runtime panic: %s", lua_tostring(l, -1));	×
67	lua_pop(l, 1);	×
68	return -1;	×
69	}
70
71	/**
72	* lua_handle_error - Handle an error in the Lua interpreter
73	* @param l Lua State
74	* @retval -1 Always
75	*/
76	static int lua_handle_error(lua_State *l)	×
77	{
78	mutt_debug(LL_DEBUG1, "lua runtime error: %s\n", lua_tostring(l, -1));	×
79	mutt_error("Lua runtime error: %s", lua_tostring(l, -1));	×
80	lua_pop(l, 1);	×
81	return -1;	×
82	}
83
84	/**
85	* lua_cb_global_call - Call a NeoMutt command by name
86	* @param l Lua State
87	* @retval >=0 Success
88	* @retval -1 Error
89	*/
90	static int lua_cb_global_call(lua_State *l)	×
91	{
92	mutt_debug(LL_DEBUG2, "enter\n");	×
93	struct Buffer *buf = buf_pool_get();	×
94	struct ParseContext *pc = parse_context_new();	×
95	struct ParseError *pe = parse_error_new();	×
96	const struct Command *cmd = NULL;
97	int rc = 0;
98
99	if (lua_gettop(l) == 0)	×
100	{
101	luaL_error(l, "Error command argument required");	×
102	return -1;	×
103	}
104
105	cmd = commands_get(&NeoMutt->commands, lua_tostring(l, 1));	×
106	if (!cmd)	×
107	{
108	luaL_error(l, "Error command %s not found", lua_tostring(l, 1));	×
109	return -1;	×
110	}
111
112	for (int i = 2; i <= lua_gettop(l); i++)	×
113	{
114	buf_addstr(buf, lua_tostring(l, i));	×
115	buf_addch(buf, ' ');	×
116	}
117	buf_seek(buf, 0);	×
118
119	if (cmd->parse(cmd, buf, pc, pe))	×
120	{
121	luaL_error(l, "NeoMutt error: %s", buf_string(pe->message));	×
122	rc = -1;
123	}
124	else
125	{
126	if (!lua_pushstring(l, buf_string(pe->message)))	×
127	lua_handle_error(l);	×
128	else
129	rc++;
130	}
131
132	buf_pool_release(&buf);	×
133	parse_context_free(&pc);	×
134	parse_error_free(&pe);	×
135	return rc;	×
136	}
137
138	/**
139	* lua_cb_global_set - Set a NeoMutt variable
140	* @param l Lua State
141	* @retval 0 Success
142	* @retval -1 Error
143	*/
144	static int lua_cb_global_set(lua_State *l)	×
145	{
146	const char *param = lua_tostring(l, -2);	×
147	mutt_debug(LL_DEBUG2, "%s\n", param);	×
148
149	struct Buffer *err = buf_pool_get();	×
150	struct HashElem *he = cs_subset_lookup(NeoMutt->sub, param);	×
151	if (!he)	×
152	{
153	// In case it is a my_var, we have to create it
154	if (mutt_str_startswith(param, "my_"))	×
155	{
156	struct ConfigDef my_cdef = { 0 };	×
157	my_cdef.name = param;	×
158	my_cdef.type = DT_MYVAR;	×
159	he = cs_create_variable(NeoMutt->sub->cs, &my_cdef, err);	×
160	if (!he)	×
161	return -1;	×
162	}
163	else
164	{
165	luaL_error(l, "NeoMutt parameter not found %s", param);	×
166	return -1;	×
167	}
168	}
169
170	struct ConfigDef *cdef = he->data;	×
171
172	int rc = 0;
173
174	switch (CONFIG_TYPE(cdef->type))	×
175	{
176	case DT_ADDRESS:	×
177	case DT_ENUM:
178	case DT_EXPANDO:
179	case DT_MBTABLE:
180	case DT_MYVAR:
181	case DT_PATH:
182	case DT_REGEX:
183	case DT_SLIST:
184	case DT_SORT:
185	case DT_STRING:
186	{
187	const char *value = lua_tostring(l, -1);	×
188	size_t val_size = lua_rawlen(l, -1);	×
189	struct Buffer *value_buf = buf_pool_get();	×
190	buf_strcpy_n(value_buf, value, val_size);	×
191	if (CONFIG_TYPE(he->type) == DT_PATH)	×
192	expand_path(value_buf, false);	×
193
194	int rv = cs_subset_he_string_set(NeoMutt->sub, he, buf_string(value_buf), err);	×
195	buf_pool_release(&value_buf);	×
196	if (CSR_RESULT(rv) != CSR_SUCCESS)	×
197	rc = -1;
198	break;
199	}
200	case DT_LONG:	×
201	case DT_NUMBER:
202	case DT_QUAD:
203	{
204	const intptr_t value = lua_tointeger(l, -1);	×
205	int rv = cs_subset_he_native_set(NeoMutt->sub, he, value, err);	×
206	if (CSR_RESULT(rv) != CSR_SUCCESS)	×
207	rc = -1;
208	break;
209	}
210	case DT_BOOL:	×
211	{
212	const intptr_t value = lua_toboolean(l, -1);	×
213	int rv = cs_subset_he_native_set(NeoMutt->sub, he, value, err);	×
214	if (CSR_RESULT(rv) != CSR_SUCCESS)	×
215	rc = -1;
216	break;
217	}
218	default:	×
219	luaL_error(l, "Unsupported NeoMutt parameter type %d for %s",	×
220	CONFIG_TYPE(cdef->type), param);
221	rc = -1;
222	break;	×
223	}
224
225	buf_pool_release(&err);	×
226	return rc;	×
227	}
228
229	/**
230	* lua_cb_global_get - Get a NeoMutt variable
231	* @param l Lua State
232	* @retval 1 Success
233	* @retval -1 Error
234	*/
235	static int lua_cb_global_get(lua_State *l)	×
236	{
237	const char *param = lua_tostring(l, -1);	×
238	mutt_debug(LL_DEBUG2, "%s\n", param);	×
239
240	struct HashElem *he = cs_subset_lookup(NeoMutt->sub, param);	×
241	if (!he)	×
242	{
243	mutt_debug(LL_DEBUG2, "error\n");	×
244	luaL_error(l, "NeoMutt parameter not found %s", param);	×
245	return -1;	×
246	}
247
248	struct ConfigDef *cdef = he->data;	×
249
250	switch (CONFIG_TYPE(cdef->type))	×
251	{
252	case DT_ADDRESS:	×
253	case DT_ENUM:
254	case DT_EXPANDO:
255	case DT_MBTABLE:
256	case DT_MYVAR:
257	case DT_PATH:
258	case DT_REGEX:
259	case DT_SLIST:
260	case DT_SORT:
261	case DT_STRING:
262	{
263	struct Buffer *value = buf_pool_get();	×
264	int rc = cs_subset_he_string_get(NeoMutt->sub, he, value);	×
265	if (CSR_RESULT(rc) != CSR_SUCCESS)	×
266	{
267	buf_pool_release(&value);	×
268	return -1;	×
269	}
270
271	struct Buffer *escaped = buf_pool_get();	×
272	escape_string(escaped, buf_string(value));	×
273	lua_pushstring(l, buf_string(escaped));	×
274	buf_pool_release(&value);	×
275	buf_pool_release(&escaped);	×
276	return 1;	×
277	}
278	case DT_QUAD:	×
279	lua_pushinteger(l, (unsigned char) cdef->var);	×
280	return 1;	×
281	case DT_LONG:	×
282	lua_pushinteger(l, (signed long) cdef->var);	×
283	return 1;	×
284	case DT_NUMBER:	×
285	lua_pushinteger(l, (signed short) cdef->var);	×
286	return 1;	×
287	case DT_BOOL:	×
288	lua_pushboolean(l, (bool) cdef->var);	×
289	return 1;	×
290	default:	×
291	luaL_error(l, "NeoMutt parameter type %d unknown for %s", cdef->type, param);	×
292	return -1;	×
293	}
294	}
295
296	/**
297	* lua_cb_global_enter - Execute NeoMutt config from Lua
298	* @param l Lua State
299	* @retval >=0 Success
300	* @retval -1 Error
301	*/
302	static int lua_cb_global_enter(lua_State *l)	×
303	{
304	mutt_debug(LL_DEBUG2, "enter\n");	×
305	struct Buffer *line = buf_pool_get();	×
306	struct ParseContext *pc = parse_context_new();	×
307	struct ParseError *pe = parse_error_new();	×
308
309	buf_strcpy(line, lua_tostring(l, -1));	×
310	int rc = 0;
311
312	if (parse_rc_line(line, pc, pe))	×
313	{
314	luaL_error(l, "NeoMutt error: %s", buf_string(pe->message));	×
315	rc = -1;
316	}
317	else
318	{
319	if (!lua_pushstring(l, buf_string(pe->message)))	×
320	lua_handle_error(l);	×
321	else
322	rc++;
323	}
324
325	buf_pool_release(&line);	×
326	parse_context_free(&pc);	×
327	parse_error_free(&pe);	×
328
329	return rc;	×
330	}
331
332	/**
333	* lua_cb_global_message - Display a message in NeoMutt
334	* @param l Lua State
335	* @retval 0 Always
336	*/
337	static int lua_cb_global_message(lua_State *l)	×
338	{
339	mutt_debug(LL_DEBUG2, "enter\n");	×
340	const char *msg = lua_tostring(l, -1);	×
341	if (msg)	×
342	mutt_message("%s", msg);	×
343	return 0;	×
344	}
345
346	/**
347	* lua_cb_global_error - Display an error in NeoMutt
348	* @param l Lua State
349	* @retval 0 Always
350	*/
351	static int lua_cb_global_error(lua_State *l)	×
352	{
353	mutt_debug(LL_DEBUG2, "enter\n");	×
354	const char *msg = lua_tostring(l, -1);	×
355	if (msg)	×
356	mutt_error("%s", msg);	×
357	return 0;	×
358	}
359
360	/**
361	* lua_expose_command - Expose a NeoMutt command to the Lua interpreter
362	* @param l Lua state
363	* @param cmd NeoMutt Command
364	*/
365	static void lua_expose_command(lua_State l, const struct Command cmd)	×
366	{
367	char buf[1024] = { 0 };	×
368	snprintf(buf, sizeof(buf), "mutt.command.%s = function (...); mutt.call('%s', ...); end",
369	cmd->name, cmd->name);	×
370	(void) luaL_dostring(l, buf);	×
371	}	×
372
373	/**
374	* LuaMuttCommands - List of Lua commands to register
375	*
376	* In NeoMutt, run:
377	*
378	* `:lua mutt.message('hello')`
379	*
380	* and it will call lua_cb_global_message()
381	*/
382	static const luaL_Reg LuaMuttCommands[] = {
383	// clang-format off
384	{ "set", lua_cb_global_set },
385	{ "get", lua_cb_global_get },
386	{ "call", lua_cb_global_call },
387	{ "enter", lua_cb_global_enter },
388	{ "print", lua_cb_global_message },
389	{ "message", lua_cb_global_message },
390	{ "error", lua_cb_global_error },
391	{ NULL, NULL },
392	// clang-format on
393	};
394
395	/**
396	* lua_expose_commands - Declare some NeoMutt types to the Lua interpreter
397	* @param l Lua State
398	* @retval 1 Always
399	*/
400	static int lua_expose_commands(lua_State *l)	2✔
401	{
402	mutt_debug(LL_DEBUG2, "enter\n");	2✔
403	luaL_newlib(l, LuaMuttCommands);	2✔
404	int lib_idx = lua_gettop(l);	2✔
405
406	// clang-format off
407	lua_pushstring(l, "VERSION"); lua_pushstring(l, mutt_make_version()); lua_settable(l, lib_idx);	2✔
408	lua_pushstring(l, "QUAD_YES"); lua_pushinteger(l, MUTT_YES); lua_settable(l, lib_idx);	2✔
409	lua_pushstring(l, "QUAD_NO"); lua_pushinteger(l, MUTT_NO); lua_settable(l, lib_idx);	2✔
410	lua_pushstring(l, "QUAD_ASKYES"); lua_pushinteger(l, MUTT_ASKYES); lua_settable(l, lib_idx);	2✔
411	lua_pushstring(l, "QUAD_ASKNO"); lua_pushinteger(l, MUTT_ASKNO); lua_settable(l, lib_idx);	2✔
412	// clang-format on
413
414	return 1;	2✔
415	}
416
417	/**
418	* lua_expose_mutt - Expose a 'Mutt' object to the Lua interpreter
419	* @param l Lua State
420	*/
421	static void lua_expose_mutt(lua_State *l)	2✔
422	{
423	luaL_requiref(l, "mutt", lua_expose_commands, 1);	2✔
424	(void) luaL_dostring(l, "mutt.command = {}");	2✔
425
426	const struct Command **cp = NULL;
427	ARRAY_FOREACH(cp, &NeoMutt->commands)	2✔
428	{
429	const struct Command cmd = cp;	×
430
431	lua_expose_command(l, cmd);	×
432	}
433	}	2✔
434
435	/**
436	* lua_init_state - Initialise a Lua State
437	* @param[out] l Lua State
438	* @retval true Successful
439	*/
440	bool lua_init_state(lua_State **l)	2✔
441	{
442	if (!l)	2✔
443	return false;
444	if (*l)	2✔
445	return true;
446
447	mutt_debug(LL_DEBUG2, "enter\n");	2✔
448	*l = luaL_newstate();	2✔
449
450	if (!*l)	2✔
451	{
452	mutt_error(_("Error: Couldn't load the lua interpreter"));	×
453	return false;	×
454	}
455
456	lua_atpanic(*l, lua_handle_panic);	2✔
457
458	/* load various Lua libraries */
459	luaL_openlibs(*l);	2✔
460	lua_expose_mutt(*l);	2✔
461
462	return true;	2✔
463	}

neomutt / neomutt / 21576993800

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous