Support for options to appear multiple times on cmdline.
* include/grub/lib/arg.h (grub_arg_list_alloc): New prototype. * grub-core/commands/extcmd.c: Support for repeatable option. * grub-core/lib/arg.c (grub_arg_list_alloc): New function for repeatable option support. Refactor menuentry into a regular command. * grub-core/commands/menuentry.c: New file, menuentry command implementation. * grub-core/Makefile.core.def: Rule update for normal.mod. * grub-core/normal/main.c: Moved menuentry creation to grub-core/commands/menuentry.c. * grub-core/normal/menu.c (grub_menu_execute_entry): Removed. (grub_menu_execute_entry_real): Removed. * grub-core/script/execute.c (grub_script_execute_sourcecode): New function. (grub_script_execute_menuentry): Removed. * grub-core/script/parser.y (menuentry): Removed. * grub-core/script/script.c (grub_script_create_cmdmenu): Removed. * grub-core/script/yylex.l (menuentry): Removed. * include/grub/menu.h (grub_menu_init): New prototype. (grub_menu_fini): New prototype. * include/grub/normal.h (grub_normal_add_menu_entry): Removed. * include/grub/script_sh.h (grub_script_cmd_menuentry): Removed. (grub_script_execute_sourcecode): New prototype.
This commit is contained in:
BVK Chaitanya
commit
ed8c6dec96
15 changed files with 464 additions and 366 deletions
30
ChangeLog
30
ChangeLog
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|
@ -1,3 +1,33 @@
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2010-09-04 BVK Chaitanya <bvk.groups@gmail.com>
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Support for options to appear multiple times on cmdline.
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* include/grub/lib/arg.h (grub_arg_list_alloc): New prototype.
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* grub-core/commands/extcmd.c: Support for repeatable option.
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* grub-core/lib/arg.c (grub_arg_list_alloc): New function for
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repeatable option support.
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Refactor menuentry into a regular command.
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* grub-core/commands/menuentry.c: New file, menuentry command
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implementation.
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* grub-core/Makefile.core.def: Rule update for normal.mod.
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* grub-core/normal/main.c: Moved menuentry creation to
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grub-core/commands/menuentry.c.
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* grub-core/normal/menu.c (grub_menu_execute_entry): Removed.
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(grub_menu_execute_entry_real): Removed.
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* grub-core/script/execute.c (grub_script_execute_sourcecode): New
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function.
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(grub_script_execute_menuentry): Removed.
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* grub-core/script/parser.y (menuentry): Removed.
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* grub-core/script/script.c (grub_script_create_cmdmenu): Removed.
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* grub-core/script/yylex.l (menuentry): Removed.
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* include/grub/menu.h (grub_menu_init): New prototype.
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(grub_menu_fini): New prototype.
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* include/grub/normal.h (grub_normal_add_menu_entry): Removed.
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* include/grub/script_sh.h (grub_script_cmd_menuentry): Removed.
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(grub_script_execute_sourcecode): New prototype.
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2010-09-04 BVK Chaitanya <bvk.groups@gmail.com>
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"return" command for GRUB script functions.
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@ -1164,6 +1164,8 @@ module = {
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common = script/lexer.c;
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common = script/argv.c;
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common = commands/menuentry.c;
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common = unidata.c;
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common_nodist = grub_script.tab.c;
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common_nodist = grub_script.yy.c;
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@ -29,10 +29,8 @@ grub_extcmd_dispatcher (struct grub_command *cmd, int argc, char **args,
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{
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int new_argc;
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char **new_args;
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struct grub_arg_option *parser;
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struct grub_arg_list *state;
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struct grub_extcmd_context context;
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int maxargs = 0;
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grub_err_t ret;
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grub_extcmd_t ext = cmd->data;
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@ -46,25 +44,18 @@ grub_extcmd_dispatcher (struct grub_command *cmd, int argc, char **args,
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return ret;
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}
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parser = (struct grub_arg_option *) ext->options;
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while (parser && (parser++)->doc)
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maxargs++;
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/* Set up the option state. */
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state = grub_zalloc (sizeof (struct grub_arg_list) * maxargs);
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state = grub_arg_list_alloc (ext, argc, args);
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if (grub_arg_parse (ext, argc, args, state, &new_args, &new_argc))
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{
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context.state = state;
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ret = (ext->func) (&context, new_argc, new_args);
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grub_free (new_args);
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grub_free (state);
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return ret;
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}
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else
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ret = grub_errno;
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grub_free (state);
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return ret;
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return grub_errno;
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}
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static grub_err_t
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|
|
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285
grub-core/commands/menuentry.c
Normal file
285
grub-core/commands/menuentry.c
Normal file
|
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@ -0,0 +1,285 @@
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/* menuentry.c - menuentry command */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
|
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*
|
||||
* GRUB 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.
|
||||
*
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||||
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
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|
||||
#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/err.h>
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#include <grub/dl.h>
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#include <grub/extcmd.h>
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#include <grub/i18n.h>
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#include <grub/normal.h>
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static const struct grub_arg_option options[] =
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{
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{"class", 1, GRUB_ARG_OPTION_REPEATABLE,
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N_("Menu entry type."), "STRING", ARG_TYPE_STRING},
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{"users", 2, 0,
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N_("Users allowed to boot this entry."), "USERNAME", ARG_TYPE_STRING},
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{"hotkey", 3, 0,
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N_("Keyboard key for this entry."), "KEY", ARG_TYPE_STRING},
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{"source", 4, 0,
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N_("Menu entry definition as a string."), "STRING", ARG_TYPE_STRING},
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{0, 0, 0, 0, 0, 0}
|
||||
};
|
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|
||||
static struct
|
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{
|
||||
char *name;
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int key;
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||||
} hotkey_aliases[] =
|
||||
{
|
||||
{"backspace", '\b'},
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{"tab", '\t'},
|
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{"delete", GRUB_TERM_DC}
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};
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||||
/* Add a menu entry to the current menu context (as given by the environment
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variable data slot `menu'). As the configuration file is read, the script
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parser calls this when a menu entry is to be created. */
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static grub_err_t
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append_menu_entry (int argc, const char **args, char **classes,
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const char *users, const char *hotkey,
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const char *prefix, const char *sourcecode)
|
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{
|
||||
unsigned i;
|
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int menu_hotkey = 0;
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char **menu_args = NULL;
|
||||
char *menu_users = NULL;
|
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char *menu_title = NULL;
|
||||
char *menu_sourcecode = NULL;
|
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struct grub_menu_entry_class *menu_classes = NULL;
|
||||
|
||||
grub_menu_t menu;
|
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grub_menu_entry_t *last;
|
||||
|
||||
menu = grub_env_get_menu ();
|
||||
if (! menu)
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return grub_error (GRUB_ERR_MENU, "no menu context");
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|
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last = &menu->entry_list;
|
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|
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menu_sourcecode = grub_xasprintf ("%s%s", prefix ?: "", sourcecode);
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if (! menu_sourcecode)
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return grub_errno;
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if (classes)
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{
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for (i = 0; classes[i]; i++); /* count # of menuentry classes */
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menu_classes = grub_zalloc (sizeof (struct grub_menu_entry_class) * i);
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if (! menu_classes)
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goto fail;
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for (i = 0; classes[i]; i++)
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{
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menu_classes[i].name = grub_strdup (classes[i]);
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if (! menu_classes[i].name)
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goto fail;
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menu_classes[i].next = classes[i + 1] ? &menu_classes[i + 1] : NULL;
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}
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}
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if (users)
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{
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menu_users = grub_strdup (users);
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if (! menu_users)
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goto fail;
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}
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if (hotkey)
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{
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for (i = 0; i < ARRAY_SIZE (hotkey_aliases); i++)
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if (grub_strcmp (hotkey, hotkey_aliases[i].name) == 0)
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{
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menu_hotkey = hotkey_aliases[i].key;
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break;
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}
|
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if (i == ARRAY_SIZE (hotkey_aliases))
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menu_hotkey = hotkey[0];
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}
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if (! argc)
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{
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grub_error (GRUB_ERR_MENU, "menuentry is missing title");
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goto fail;
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}
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menu_title = grub_strdup (args[0]);
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if (! menu_title)
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goto fail;
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/* Save argc, args to pass as parameters to block arg later. */
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menu_args = grub_malloc (sizeof (char*) * (argc + 1));
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if (! menu_args)
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goto fail;
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for (i = 0; args[i]; i++)
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{
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menu_args[i] = grub_strdup (args[i]);
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if (! menu_args[i])
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goto fail;
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}
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menu_args[argc] = NULL;
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|
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/* Add the menu entry at the end of the list. */
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while (*last)
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last = &(*last)->next;
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*last = grub_zalloc (sizeof (**last));
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if (! *last)
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goto fail;
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|
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(*last)->title = menu_title;
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(*last)->hotkey = menu_hotkey;
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(*last)->classes = menu_classes;
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if (menu_users)
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(*last)->restricted = 1;
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(*last)->users = menu_users;
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(*last)->argc = argc;
|
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(*last)->args = menu_args;
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(*last)->sourcecode = menu_sourcecode;
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|
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menu->size++;
|
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return GRUB_ERR_NONE;
|
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|
||||
fail:
|
||||
|
||||
grub_free (menu_sourcecode);
|
||||
for (i = 0; menu_classes && menu_classes[i].name; i++)
|
||||
grub_free (menu_classes[i].name);
|
||||
grub_free (menu_classes);
|
||||
|
||||
for (i = 0; menu_args && menu_args[i]; i++)
|
||||
grub_free (menu_args[i]);
|
||||
grub_free (menu_args);
|
||||
|
||||
grub_free (menu_users);
|
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grub_free (menu_title);
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
static char *
|
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setparams_prefix (int argc, char **args)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
char *p;
|
||||
char *result;
|
||||
grub_size_t len = 10;
|
||||
static const char *escape_characters = "\"\\";
|
||||
|
||||
auto char *strescpy (char *, const char *, const char *);
|
||||
char * strescpy (char *d, const char *s, const char *escapes)
|
||||
{
|
||||
while (*s)
|
||||
{
|
||||
if (grub_strchr (escapes, *s))
|
||||
*d++ = '\\';
|
||||
*d++ = *s++;
|
||||
}
|
||||
*d = '\0';
|
||||
return d;
|
||||
}
|
||||
|
||||
/* Count resulting string length */
|
||||
for (i = 0; i < argc; i++)
|
||||
{
|
||||
len += 3; /* 3 = 1 space + 2 quotes */
|
||||
p = args[i];
|
||||
while (*p)
|
||||
len += grub_strchr (escape_characters, *p++) ? 2 : 1;
|
||||
}
|
||||
|
||||
result = grub_malloc (len + 2);
|
||||
if (! result)
|
||||
return 0;
|
||||
|
||||
grub_strcpy (result, "setparams");
|
||||
i = 9;
|
||||
|
||||
for (j = 0; j < argc; j++)
|
||||
{
|
||||
result[i++] = ' ';
|
||||
result[i++] = '"';
|
||||
i = strescpy (result + i, args[j], escape_characters) - result;
|
||||
result[i++] = '"';
|
||||
}
|
||||
result[i++] = '\n';
|
||||
result[i] = '\0';
|
||||
return result;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args)
|
||||
{
|
||||
char ch;
|
||||
char *src;
|
||||
char *prefix;
|
||||
unsigned len;
|
||||
grub_err_t r;
|
||||
|
||||
if (! argc)
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "missing arguments");
|
||||
|
||||
if (ctxt->state[3].set && ctxt->script)
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "multiple menuentry definitions");
|
||||
|
||||
if (! ctxt->state[3].set && ! ctxt->script)
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no menuentry definition");
|
||||
|
||||
if (! ctxt->script)
|
||||
return append_menu_entry (argc, (const char **) args,
|
||||
ctxt->state[0].args, ctxt->state[1].arg,
|
||||
ctxt->state[2].arg, 0, ctxt->state[3].arg);
|
||||
|
||||
src = args[argc - 1];
|
||||
args[argc - 1] = NULL;
|
||||
|
||||
len = grub_strlen(src);
|
||||
ch = src[len - 1];
|
||||
src[len - 1] = '\0';
|
||||
|
||||
prefix = setparams_prefix (argc - 1, args);
|
||||
if (! prefix)
|
||||
return grub_errno;
|
||||
|
||||
r = append_menu_entry (argc - 1, (const char **) args,
|
||||
ctxt->state[0].args, ctxt->state[1].arg,
|
||||
ctxt->state[2].arg, prefix, src + 1);
|
||||
|
||||
src[len - 1] = ch;
|
||||
args[argc - 1] = src;
|
||||
grub_free (prefix);
|
||||
return r;
|
||||
}
|
||||
|
||||
static grub_extcmd_t cmd;
|
||||
|
||||
void
|
||||
grub_menu_init (void)
|
||||
{
|
||||
cmd = grub_register_extcmd ("menuentry", grub_cmd_menuentry,
|
||||
GRUB_COMMAND_FLAG_BOTH | GRUB_COMMAND_FLAG_BLOCKS,
|
||||
N_("BLOCK"), N_("Define a menuentry."), options);
|
||||
}
|
||||
|
||||
void
|
||||
grub_menu_fini (void)
|
||||
{
|
||||
grub_unregister_extcmd (cmd);
|
||||
}
|
||||
|
|
@ -209,8 +209,16 @@ parse_option (grub_extcmd_t cmd, int key, char *arg, struct grub_arg_list *usr)
|
|||
if (found == -1)
|
||||
return -1;
|
||||
|
||||
usr[found].set = 1;
|
||||
usr[found].arg = arg;
|
||||
if (opt->flags & GRUB_ARG_OPTION_REPEATABLE)
|
||||
{
|
||||
usr[found].args[usr[found].set++] = arg;
|
||||
usr[found].args[usr[found].set] = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
usr[found].set = 1;
|
||||
usr[found].arg = arg;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -230,10 +238,15 @@ grub_arg_parse (grub_extcmd_t cmd, int argc, char **argv,
|
|||
|
||||
grub_err_t add_arg (char *s)
|
||||
{
|
||||
argl = grub_realloc (argl, (++num) * sizeof (char *));
|
||||
char **p = argl;
|
||||
argl = grub_realloc (argl, (++num + 1) * sizeof (char *));
|
||||
if (! argl)
|
||||
return grub_errno;
|
||||
{
|
||||
grub_free (p);
|
||||
return grub_errno;
|
||||
}
|
||||
argl[num - 1] = s;
|
||||
argl[num] = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -310,8 +323,11 @@ grub_arg_parse (grub_extcmd_t cmd, int argc, char **argv,
|
|||
if (option) {
|
||||
arglen = option - arg - 2;
|
||||
option++;
|
||||
} else
|
||||
} else {
|
||||
arglen = grub_strlen (arg) - 2;
|
||||
if (argv[curarg + 1])
|
||||
option = argv[curarg + 1][0] == '-' ? 0 : argv[++curarg];
|
||||
}
|
||||
|
||||
opt = find_long (cmd->options, arg + 2, arglen);
|
||||
if (! opt)
|
||||
|
|
@ -390,3 +406,43 @@ grub_arg_parse (grub_extcmd_t cmd, int argc, char **argv,
|
|||
fail:
|
||||
return complete;
|
||||
}
|
||||
|
||||
struct grub_arg_list*
|
||||
grub_arg_list_alloc(grub_extcmd_t extcmd, int argc,
|
||||
char **argv __attribute__((unused)))
|
||||
{
|
||||
int i;
|
||||
char **args;
|
||||
unsigned argcnt;
|
||||
struct grub_arg_list *list;
|
||||
const struct grub_arg_option *options;
|
||||
|
||||
options = extcmd->options;
|
||||
if (! options)
|
||||
return 0;
|
||||
|
||||
argcnt = 0;
|
||||
for (i = 0; options[i].doc; i++)
|
||||
{
|
||||
if (options[i].flags & GRUB_ARG_OPTION_REPEATABLE)
|
||||
argcnt += (argc + 1) / 2 + 1; /* max possible for any option */
|
||||
}
|
||||
|
||||
list = grub_zalloc (sizeof (*list) * i + sizeof (char*) * argcnt);
|
||||
if (! list)
|
||||
return 0;
|
||||
|
||||
args = (char**) (list + i);
|
||||
for (i = 0; options[i].doc; i++)
|
||||
{
|
||||
list[i].set = 0;
|
||||
list[i].arg = 0;
|
||||
|
||||
if (options[i].flags & GRUB_ARG_OPTION_REPEATABLE)
|
||||
{
|
||||
list[i].args = args;
|
||||
args += argc / 2 + 1;
|
||||
}
|
||||
}
|
||||
return list;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -141,209 +141,6 @@ free_menu (grub_menu_t menu)
|
|||
grub_env_unset_menu ();
|
||||
}
|
||||
|
||||
static void
|
||||
free_menu_entry_classes (struct grub_menu_entry_class *head)
|
||||
{
|
||||
/* Free all the classes. */
|
||||
while (head)
|
||||
{
|
||||
struct grub_menu_entry_class *next;
|
||||
|
||||
grub_free (head->name);
|
||||
next = head->next;
|
||||
grub_free (head);
|
||||
head = next;
|
||||
}
|
||||
}
|
||||
|
||||
static struct
|
||||
{
|
||||
char *name;
|
||||
int key;
|
||||
} hotkey_aliases[] =
|
||||
{
|
||||
{"backspace", '\b'},
|
||||
{"tab", '\t'},
|
||||
{"delete", GRUB_TERM_DC}
|
||||
};
|
||||
|
||||
/* Add a menu entry to the current menu context (as given by the environment
|
||||
variable data slot `menu'). As the configuration file is read, the script
|
||||
parser calls this when a menu entry is to be created. */
|
||||
grub_err_t
|
||||
grub_normal_add_menu_entry (int argc, const char **args,
|
||||
const char *sourcecode)
|
||||
{
|
||||
const char *menutitle = 0;
|
||||
const char *menusourcecode;
|
||||
grub_menu_t menu;
|
||||
grub_menu_entry_t *last;
|
||||
int failed = 0;
|
||||
int i;
|
||||
struct grub_menu_entry_class *classes_head; /* Dummy head node for list. */
|
||||
struct grub_menu_entry_class *classes_tail;
|
||||
char *users = NULL;
|
||||
int hotkey = 0;
|
||||
|
||||
/* Allocate dummy head node for class list. */
|
||||
classes_head = grub_zalloc (sizeof (struct grub_menu_entry_class));
|
||||
if (! classes_head)
|
||||
return grub_errno;
|
||||
classes_tail = classes_head;
|
||||
|
||||
menu = grub_env_get_menu ();
|
||||
if (! menu)
|
||||
return grub_error (GRUB_ERR_MENU, "no menu context");
|
||||
|
||||
last = &menu->entry_list;
|
||||
|
||||
menusourcecode = grub_strdup (sourcecode);
|
||||
if (! menusourcecode)
|
||||
return grub_errno;
|
||||
|
||||
/* Parse menu arguments. */
|
||||
for (i = 0; i < argc; i++)
|
||||
{
|
||||
/* Capture arguments. */
|
||||
if (grub_strncmp ("--", args[i], 2) == 0 && i + 1 < argc)
|
||||
{
|
||||
const char *arg = &args[i][2];
|
||||
|
||||
/* Handle menu class. */
|
||||
if (grub_strcmp(arg, "class") == 0)
|
||||
{
|
||||
char *class_name;
|
||||
struct grub_menu_entry_class *new_class;
|
||||
|
||||
i++;
|
||||
class_name = grub_strdup (args[i]);
|
||||
if (! class_name)
|
||||
{
|
||||
failed = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Create a new class and add it at the tail of the list. */
|
||||
new_class = grub_zalloc (sizeof (struct grub_menu_entry_class));
|
||||
if (! new_class)
|
||||
{
|
||||
grub_free (class_name);
|
||||
failed = 1;
|
||||
break;
|
||||
}
|
||||
/* Fill in the new class node. */
|
||||
new_class->name = class_name;
|
||||
/* Link the tail to it, and make it the new tail. */
|
||||
classes_tail->next = new_class;
|
||||
classes_tail = new_class;
|
||||
continue;
|
||||
}
|
||||
else if (grub_strcmp(arg, "users") == 0)
|
||||
{
|
||||
i++;
|
||||
users = grub_strdup (args[i]);
|
||||
if (! users)
|
||||
{
|
||||
failed = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
continue;
|
||||
}
|
||||
else if (grub_strcmp(arg, "hotkey") == 0)
|
||||
{
|
||||
unsigned j;
|
||||
|
||||
i++;
|
||||
if (args[i][1] == 0)
|
||||
{
|
||||
hotkey = args[i][0];
|
||||
continue;
|
||||
}
|
||||
|
||||
for (j = 0; j < ARRAY_SIZE (hotkey_aliases); j++)
|
||||
if (grub_strcmp (args[i], hotkey_aliases[j].name) == 0)
|
||||
{
|
||||
hotkey = hotkey_aliases[j].key;
|
||||
break;
|
||||
}
|
||||
|
||||
if (j < ARRAY_SIZE (hotkey_aliases))
|
||||
continue;
|
||||
|
||||
failed = 1;
|
||||
grub_error (GRUB_ERR_MENU,
|
||||
"Invalid hotkey: '%s'.", args[i]);
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Handle invalid argument. */
|
||||
failed = 1;
|
||||
grub_error (GRUB_ERR_MENU,
|
||||
"invalid argument for menuentry: %s", args[i]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Capture title. */
|
||||
if (! menutitle)
|
||||
{
|
||||
menutitle = grub_strdup (args[i]);
|
||||
}
|
||||
else
|
||||
{
|
||||
failed = 1;
|
||||
grub_error (GRUB_ERR_MENU,
|
||||
"too many titles for menuentry: %s", args[i]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Validate arguments. */
|
||||
if ((! failed) && (! menutitle))
|
||||
{
|
||||
grub_error (GRUB_ERR_MENU, "menuentry is missing title");
|
||||
failed = 1;
|
||||
}
|
||||
|
||||
/* If argument parsing failed, free any allocated resources. */
|
||||
if (failed)
|
||||
{
|
||||
free_menu_entry_classes (classes_head);
|
||||
grub_free ((void *) menutitle);
|
||||
grub_free ((void *) menusourcecode);
|
||||
|
||||
/* Here we assume that grub_error has been used to specify failure details. */
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
/* Add the menu entry at the end of the list. */
|
||||
while (*last)
|
||||
last = &(*last)->next;
|
||||
|
||||
*last = grub_zalloc (sizeof (**last));
|
||||
if (! *last)
|
||||
{
|
||||
free_menu_entry_classes (classes_head);
|
||||
grub_free ((void *) menutitle);
|
||||
grub_free ((void *) menusourcecode);
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
(*last)->title = menutitle;
|
||||
(*last)->hotkey = hotkey;
|
||||
(*last)->classes = classes_head;
|
||||
if (users)
|
||||
(*last)->restricted = 1;
|
||||
(*last)->users = users;
|
||||
(*last)->sourcecode = menusourcecode;
|
||||
|
||||
menu->size++;
|
||||
|
||||
return GRUB_ERR_NONE;
|
||||
}
|
||||
|
||||
static grub_menu_t
|
||||
read_config_file (const char *config)
|
||||
{
|
||||
|
|
@ -679,6 +476,7 @@ GRUB_MOD_INIT(normal)
|
|||
{
|
||||
grub_context_init ();
|
||||
grub_script_init ();
|
||||
grub_menu_init ();
|
||||
|
||||
grub_xputs_saved = grub_xputs;
|
||||
grub_xputs = grub_xputs_normal;
|
||||
|
|
@ -718,6 +516,7 @@ GRUB_MOD_FINI(normal)
|
|||
{
|
||||
grub_context_fini ();
|
||||
grub_script_fini ();
|
||||
grub_menu_fini ();
|
||||
|
||||
grub_xputs = grub_xputs_saved;
|
||||
|
||||
|
|
|
|||
|
|
@ -153,44 +153,6 @@ get_and_remove_first_entry_number (const char *name)
|
|||
return entry;
|
||||
}
|
||||
|
||||
static void
|
||||
grub_menu_execute_entry_real (grub_menu_entry_t entry)
|
||||
{
|
||||
const char *source;
|
||||
|
||||
auto grub_err_t getline (char **line, int cont);
|
||||
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
|
||||
{
|
||||
const char *p;
|
||||
|
||||
if (!source)
|
||||
{
|
||||
*line = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = grub_strchr (source, '\n');
|
||||
|
||||
if (p)
|
||||
*line = grub_strndup (source, p - source);
|
||||
else
|
||||
*line = grub_strdup (source);
|
||||
source = p ? p + 1 : 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
source = entry->sourcecode;
|
||||
|
||||
while (source)
|
||||
{
|
||||
char *line;
|
||||
|
||||
getline (&line, 0);
|
||||
grub_normal_parse_line (line, getline);
|
||||
grub_free (line);
|
||||
}
|
||||
}
|
||||
|
||||
/* Run a menu entry. */
|
||||
void
|
||||
grub_menu_execute_entry(grub_menu_entry_t entry)
|
||||
|
|
@ -208,8 +170,7 @@ grub_menu_execute_entry(grub_menu_entry_t entry)
|
|||
}
|
||||
|
||||
grub_env_set ("chosen", entry->title);
|
||||
|
||||
grub_menu_execute_entry_real (entry);
|
||||
grub_script_execute_sourcecode (entry->sourcecode, entry->argc, entry->args);
|
||||
|
||||
if (grub_errno == GRUB_ERR_NONE && grub_loader_is_loaded ())
|
||||
/* Implicit execution of boot, only if something is loaded. */
|
||||
|
|
|
|||
|
|
@ -401,6 +401,62 @@ grub_script_function_call (grub_script_function_t func, int argc, char **args)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/* Execute a source script. */
|
||||
grub_err_t
|
||||
grub_script_execute_sourcecode (const char *source, int argc, char **args)
|
||||
{
|
||||
grub_err_t ret = 0;
|
||||
struct grub_script *parsed_script;
|
||||
struct grub_script_scope new_scope;
|
||||
struct grub_script_scope *old_scope;
|
||||
|
||||
auto grub_err_t getline (char **line, int cont);
|
||||
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
|
||||
{
|
||||
const char *p;
|
||||
|
||||
if (! source)
|
||||
{
|
||||
*line = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = grub_strchr (source, '\n');
|
||||
|
||||
if (p)
|
||||
*line = grub_strndup (source, p - source);
|
||||
else
|
||||
*line = grub_strdup (source);
|
||||
source = p ? p + 1 : 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
new_scope.argv.argc = argc;
|
||||
new_scope.argv.args = args;
|
||||
|
||||
old_scope = scope;
|
||||
scope = &new_scope;
|
||||
|
||||
while (source)
|
||||
{
|
||||
char *line;
|
||||
|
||||
getline (&line, 0);
|
||||
parsed_script = grub_script_parse (line, getline);
|
||||
if (! parsed_script)
|
||||
{
|
||||
ret = grub_errno;
|
||||
break;
|
||||
}
|
||||
|
||||
ret = grub_script_execute (parsed_script);
|
||||
grub_free (line);
|
||||
}
|
||||
|
||||
scope = old_scope;
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Execute a single command line. */
|
||||
grub_err_t
|
||||
grub_script_execute_cmdline (struct grub_script_cmd *cmd)
|
||||
|
|
@ -598,31 +654,6 @@ grub_script_execute_cmdwhile (struct grub_script_cmd *cmd)
|
|||
return result;
|
||||
}
|
||||
|
||||
/* Execute the menu entry generate statement. */
|
||||
grub_err_t
|
||||
grub_script_execute_menuentry (struct grub_script_cmd *cmd)
|
||||
{
|
||||
struct grub_script_cmd_menuentry *cmd_menuentry;
|
||||
struct grub_script_argv argv = { 0, 0, 0 };
|
||||
|
||||
cmd_menuentry = (struct grub_script_cmd_menuentry *) cmd;
|
||||
|
||||
if (cmd_menuentry->arglist)
|
||||
{
|
||||
if (grub_script_arglist_to_argv (cmd_menuentry->arglist, &argv))
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
grub_normal_add_menu_entry (argv.argc, (const char **) argv.args,
|
||||
cmd_menuentry->sourcecode);
|
||||
|
||||
grub_script_argv_free (&argv);
|
||||
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* Execute any GRUB pre-parsed command or script. */
|
||||
grub_err_t
|
||||
grub_script_execute (struct grub_script *script)
|
||||
|
|
|
|||
|
|
@ -76,7 +76,6 @@
|
|||
%token <arg> GRUB_PARSER_TOKEN_WHILE "while"
|
||||
%token <arg> GRUB_PARSER_TOKEN_TIME "time"
|
||||
%token <arg> GRUB_PARSER_TOKEN_FUNCTION "function"
|
||||
%token <arg> GRUB_PARSER_TOKEN_MENUENTRY "menuentry"
|
||||
%token <arg> GRUB_PARSER_TOKEN_NAME "name"
|
||||
%token <arg> GRUB_PARSER_TOKEN_WORD "word"
|
||||
|
||||
|
|
@ -85,7 +84,7 @@
|
|||
|
||||
%type <cmd> script_init script
|
||||
%type <cmd> grubcmd ifclause ifcmd forcmd whilecmd untilcmd
|
||||
%type <cmd> command commands1 menuentry statement
|
||||
%type <cmd> command commands1 statement
|
||||
|
||||
%pure-parser
|
||||
%lex-param { struct grub_parser_param *state };
|
||||
|
|
@ -131,7 +130,6 @@ word: GRUB_PARSER_TOKEN_NAME { $$ = grub_script_add_arglist (state, 0, $1); }
|
|||
|
||||
statement: command { $$ = $1; }
|
||||
| function { $$ = 0; }
|
||||
| menuentry { $$ = $1; }
|
||||
;
|
||||
|
||||
argument : "case" { $$ = grub_script_add_arglist (state, 0, $1); }
|
||||
|
|
@ -149,7 +147,6 @@ argument : "case" { $$ = grub_script_add_arglist (state, 0, $1); }
|
|||
| "until" { $$ = grub_script_add_arglist (state, 0, $1); }
|
||||
| "while" { $$ = grub_script_add_arglist (state, 0, $1); }
|
||||
| "function" { $$ = grub_script_add_arglist (state, 0, $1); }
|
||||
| "menuentry" { $$ = grub_script_add_arglist (state, 0, $1); }
|
||||
| word { $$ = $1; }
|
||||
;
|
||||
|
||||
|
|
@ -243,12 +240,11 @@ grubcmd: word arguments0 block0
|
|||
if ($3)
|
||||
x = grub_script_add_arglist (state, $2, $3);
|
||||
|
||||
if ($1 && x)
|
||||
{
|
||||
$1->next = x;
|
||||
$1->argcount += x->argcount;
|
||||
x->argcount = 0;
|
||||
}
|
||||
if ($1 && x) {
|
||||
$1->next = x;
|
||||
$1->argcount += x->argcount;
|
||||
x->argcount = 0;
|
||||
}
|
||||
$$ = grub_script_create_cmdline (state, $1);
|
||||
}
|
||||
;
|
||||
|
|
@ -298,25 +294,6 @@ function: "function" "name"
|
|||
}
|
||||
;
|
||||
|
||||
menuentry: "menuentry"
|
||||
{
|
||||
grub_script_lexer_ref (state->lexerstate);
|
||||
}
|
||||
arguments1
|
||||
{
|
||||
$<offset>$ = grub_script_lexer_record_start (state);
|
||||
}
|
||||
delimiters0 "{" commands1 delimiters1 "}"
|
||||
{
|
||||
char *def;
|
||||
def = grub_script_lexer_record_stop (state, $<offset>4);
|
||||
*grub_strrchr(def, '}') = '\0';
|
||||
|
||||
grub_script_lexer_deref (state->lexerstate);
|
||||
$$ = grub_script_create_cmdmenu (state, $3, def, 0);
|
||||
}
|
||||
;
|
||||
|
||||
ifcmd: "if"
|
||||
{
|
||||
grub_script_lexer_ref (state->lexerstate);
|
||||
|
|
|
|||
|
|
@ -281,30 +281,6 @@ grub_script_create_cmdwhile (struct grub_parser_param *state,
|
|||
return (struct grub_script_cmd *) cmd;
|
||||
}
|
||||
|
||||
/* Create a command that adds a menu entry to the menu. Title is an
|
||||
argument that is parsed to generate a string that can be used as
|
||||
the title. The sourcecode for this entry is passed in SOURCECODE.
|
||||
The options for this entry are passed in OPTIONS. */
|
||||
struct grub_script_cmd *
|
||||
grub_script_create_cmdmenu (struct grub_parser_param *state,
|
||||
struct grub_script_arglist *arglist,
|
||||
char *sourcecode, int options)
|
||||
{
|
||||
struct grub_script_cmd_menuentry *cmd;
|
||||
|
||||
cmd = grub_script_malloc (state, sizeof (*cmd));
|
||||
if (!cmd)
|
||||
return 0;
|
||||
|
||||
cmd->cmd.exec = grub_script_execute_menuentry;
|
||||
cmd->cmd.next = 0;
|
||||
cmd->sourcecode = sourcecode;
|
||||
cmd->arglist = arglist;
|
||||
cmd->options = options;
|
||||
|
||||
return (struct grub_script_cmd *) cmd;
|
||||
}
|
||||
|
||||
/* Create a chain of commands. LAST contains the command that should
|
||||
be added at the end of LIST's list. If LIST is zero, a new list
|
||||
will be created. */
|
||||
|
|
|
|||
|
|
@ -176,7 +176,6 @@ MULTILINE {WORD}?((\"{DQCHR}*)|(\'{SQCHR}*)|(\\\n))
|
|||
"until" { RECORD; return GRUB_PARSER_TOKEN_UNTIL; }
|
||||
"while" { RECORD; return GRUB_PARSER_TOKEN_WHILE; }
|
||||
"function" { RECORD; return GRUB_PARSER_TOKEN_FUNCTION; }
|
||||
"menuentry" { RECORD; return GRUB_PARSER_TOKEN_MENUENTRY; }
|
||||
|
||||
{MULTILINE} {
|
||||
if (grub_lexer_unput (yytext, yyscanner))
|
||||
|
|
|
|||
|
|
@ -38,6 +38,8 @@ typedef enum grub_arg_type grub_arg_type_t;
|
|||
|
||||
/* Flags for the option field op grub_arg_option. */
|
||||
#define GRUB_ARG_OPTION_OPTIONAL (1 << 1)
|
||||
/* Flags for an option that can appear multiple times. */
|
||||
#define GRUB_ARG_OPTION_REPEATABLE (1 << 2)
|
||||
|
||||
enum grub_key_type
|
||||
{
|
||||
|
|
@ -59,7 +61,10 @@ struct grub_arg_option
|
|||
struct grub_arg_list
|
||||
{
|
||||
int set;
|
||||
char *arg;
|
||||
union {
|
||||
char *arg;
|
||||
char **args;
|
||||
};
|
||||
};
|
||||
|
||||
struct grub_extcmd;
|
||||
|
|
@ -68,5 +73,7 @@ int grub_arg_parse (struct grub_extcmd *cmd, int argc, char **argv,
|
|||
struct grub_arg_list *usr, char ***args, int *argnum);
|
||||
|
||||
void grub_arg_show_help (struct grub_extcmd *cmd);
|
||||
struct grub_arg_list* grub_arg_list_alloc (struct grub_extcmd *cmd,
|
||||
int argc, char *argv[]);
|
||||
|
||||
#endif /* ! GRUB_ARG_HEADER */
|
||||
|
|
|
|||
|
|
@ -47,6 +47,10 @@ struct grub_menu_entry
|
|||
/* The sourcecode of the menu entry, used by the editor. */
|
||||
const char *sourcecode;
|
||||
|
||||
/* Parameters to be passed to menu definition. */
|
||||
int argc;
|
||||
char **args;
|
||||
|
||||
int hotkey;
|
||||
|
||||
/* The next element. */
|
||||
|
|
@ -96,4 +100,7 @@ void grub_menu_execute_with_fallback (grub_menu_t menu,
|
|||
void grub_menu_entry_run (grub_menu_entry_t entry);
|
||||
int grub_menu_get_default_entry_index (grub_menu_t menu);
|
||||
|
||||
void grub_menu_init (void);
|
||||
void grub_menu_fini (void);
|
||||
|
||||
#endif /* GRUB_MENU_HEADER */
|
||||
|
|
|
|||
|
|
@ -54,8 +54,6 @@ void grub_normal_execute (const char *config, int nested, int batch);
|
|||
void grub_menu_init_page (int nested, int edit,
|
||||
struct grub_term_output *term);
|
||||
void grub_normal_init_page (struct grub_term_output *term);
|
||||
grub_err_t grub_normal_add_menu_entry (int argc, const char **args,
|
||||
const char *sourcecode);
|
||||
char *grub_file_getline (grub_file_t file);
|
||||
void grub_cmdline_run (int nested);
|
||||
|
||||
|
|
|
|||
|
|
@ -145,21 +145,6 @@ struct grub_script_cmdwhile
|
|||
int until;
|
||||
};
|
||||
|
||||
/* A menu entry generate statement. */
|
||||
struct grub_script_cmd_menuentry
|
||||
{
|
||||
struct grub_script_cmd cmd;
|
||||
|
||||
/* The arguments for this menu entry. */
|
||||
struct grub_script_arglist *arglist;
|
||||
|
||||
/* The sourcecode the entry will be generated from. */
|
||||
const char *sourcecode;
|
||||
|
||||
/* Options. XXX: Not used yet. */
|
||||
int options;
|
||||
};
|
||||
|
||||
/* State of the lexer as passed to the lexer. */
|
||||
struct grub_lexer_param
|
||||
{
|
||||
|
|
@ -282,12 +267,6 @@ grub_script_create_cmdwhile (struct grub_parser_param *state,
|
|||
struct grub_script_cmd *list,
|
||||
int is_an_until_loop);
|
||||
|
||||
struct grub_script_cmd *
|
||||
grub_script_create_cmdmenu (struct grub_parser_param *state,
|
||||
struct grub_script_arglist *arglist,
|
||||
char *sourcecode,
|
||||
int options);
|
||||
|
||||
struct grub_script_cmd *
|
||||
grub_script_append_cmd (struct grub_parser_param *state,
|
||||
struct grub_script_cmd *list,
|
||||
|
|
@ -332,10 +311,10 @@ grub_err_t grub_script_execute_cmdlist (struct grub_script_cmd *cmd);
|
|||
grub_err_t grub_script_execute_cmdif (struct grub_script_cmd *cmd);
|
||||
grub_err_t grub_script_execute_cmdfor (struct grub_script_cmd *cmd);
|
||||
grub_err_t grub_script_execute_cmdwhile (struct grub_script_cmd *cmd);
|
||||
grub_err_t grub_script_execute_menuentry (struct grub_script_cmd *cmd);
|
||||
|
||||
/* Execute any GRUB pre-parsed command or script. */
|
||||
grub_err_t grub_script_execute (struct grub_script *script);
|
||||
grub_err_t grub_script_execute_sourcecode (const char *source, int argc, char **args);
|
||||
|
||||
/* Break command for loops. */
|
||||
grub_err_t grub_script_break (grub_command_t cmd, int argc, char *argv[]);
|
||||
|
|
|
|||
Loading…
Reference in a new issue