From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/script/main.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 grub-core/script/main.c (limited to 'grub-core/script/main.c') diff --git a/grub-core/script/main.c b/grub-core/script/main.c new file mode 100644 index 0000000..854a25a --- /dev/null +++ b/grub-core/script/main.c @@ -0,0 +1,98 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * 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. + * + * 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 . + */ + +#include +#include +#include +#include + +grub_err_t +grub_normal_parse_line (char *line, + grub_reader_getline_t getline, void *getline_data) +{ + struct grub_script *parsed_script; + + /* Parse the script. */ + parsed_script = grub_script_parse (line, getline, getline_data); + + if (parsed_script) + { + /* Execute the command(s). */ + grub_script_execute (parsed_script); + + /* The parsed script was executed, throw it away. */ + grub_script_unref (parsed_script); + } + + return grub_errno; +} + +static grub_command_t cmd_break; +static grub_command_t cmd_continue; +static grub_command_t cmd_shift; +static grub_command_t cmd_setparams; +static grub_command_t cmd_return; + +void +grub_script_init (void) +{ + cmd_break = grub_register_command ("break", grub_script_break, + N_("[NUM]"), N_("Exit from loops")); + cmd_continue = grub_register_command ("continue", grub_script_break, + N_("[NUM]"), N_("Continue loops")); + cmd_shift = grub_register_command ("shift", grub_script_shift, + N_("[NUM]"), + /* TRANSLATORS: Positional arguments are + arguments $0, $1, $2, ... */ + N_("Shift positional parameters.")); + cmd_setparams = grub_register_command ("setparams", grub_script_setparams, + N_("[VALUE]..."), + N_("Set positional parameters.")); + cmd_return = grub_register_command ("return", grub_script_return, + N_("[NUM]"), + /* TRANSLATORS: It's a command description + and "Return" is a verb, not a noun. The + command in question is "return" and + has exactly the same semanics as bash + equivalent. */ + N_("Return from a function.")); +} + +void +grub_script_fini (void) +{ + if (cmd_break) + grub_unregister_command (cmd_break); + cmd_break = 0; + + if (cmd_continue) + grub_unregister_command (cmd_continue); + cmd_continue = 0; + + if (cmd_shift) + grub_unregister_command (cmd_shift); + cmd_shift = 0; + + if (cmd_setparams) + grub_unregister_command (cmd_setparams); + cmd_setparams = 0; + + if (cmd_return) + grub_unregister_command (cmd_return); + cmd_return = 0; +} -- cgit v1.2.3