grub/grub-core/kern/reader.c

50 lines
1.4 KiB
C
Raw Normal View History

2009-05-02 Bean <bean123ch@gmail.com> * conf/common.rmk (grub_script.tab.c): Change normal/parser.y to script/sh/parser.y. (pkglib_MODULES): Add normal.mod and sh.mod. (normal_SOURCES): New variable. (normal_mod_CFLAGS): Likewise. (normal_mod_LDFLAGS): Likewise. (sh_mod_SOURCES): Likewise. (sh_mod_CFLAGS): Likewise. (sh_mod_LDFLAGS): Likewise. * conf/i386-pc.rmk (normal/lexer.c_DEPENDENCIES): Changed to script/sh/lexer.c_DEPENDENCIES. (kernel_img_SOURCES): Remove kern/rescue.c, and kern/reader.c, kern/rescue_reader.c and kern/rescue_parser.c. (kernel_img_HEADERS): Remove rescue.h, add reader.h. (grub_emu_SOURCES): Change source files. (pkglib_MODULES): Remove normal.mod. (normal_SOURCES): Removed. (normal_mod_CFLAGS): Likewise. (normal_mod_LDFLAGS): Likewise. * conf/i386-coreboot.rmk: Likewise. * conf/i386-efi.rmk: Likewise. * conf/i386-ieee1276.rmk: Likewise. * conf/powerpc-ieee1275.rmk: Likewise. * conf/sparc64-ieee1275.rmk: Likewise. * conf/x86_64-efi.rmk: Likewise. * include/grub/command.h (grub_command_execute): New inline function. * include/grub/menu.h (grub_menu_entry): Removed commands field. * include/grub/normal.h: Remove <grub/setjmp.h>. (grub_fs_module_list): Moved to normal/autofs.c. (grub_exit_env): Removed. (grub_command_execute): Likewise. (grub_normal_menu_addentry): Renamed to grub_menu_addentry, removed parameter script. (read_command_list): New function declaration. (read_fs_list): Likewise. * include/parser.h: Include <grub/reader.h>. (grub_parser_split_cmdline): Change type of getline parameter. (grub_parser): New structure. (grub_parser_class): New variable. (grub_parser_execute): New function declaration. (grub_register_rescue_parser): Likewise. (grub_parser_register): New inline function. (grub_parser_unregister): Likewise. (grub_parser_get_current): Likewise. (grub_parser_set_current): Likewise. * include/grub/reader.h: New file. * kern/reader.c: Likewise. * kern/rescue_parser.c: Likewise. * kern/rescue_reader.c: Likewise. * normal/autofs.c: Likewise. * normal/dyncmd.c: Likewise. * include/grub/rescue.h: Removed. * normal/command.h: Likewise. * include/grub/script.h: Moved to ... * include/grub/script_sh.h: ... Moved here. * normal/execute.c: Moved to ... * script/sh/execute.c: ... Moved here. * normal/function.c: Moved to ... * script/sh/function.c: ... Moved here. * normal/lexer.c: Moved to ... * script/sh/lexer.c: ... Moved here. * normal/parser.y: Moved to ... * script/sh/parser.y: ... Moved here. * normal/script.c: Moved to ... * script/sh/script.c: ... Moved here. * normal/main.c: Remove <grub/rescue.h> and <grub/script.h>, include <grub/reader.h>. (grub_exit_env): Removed. (fs_module_list): Moved to normal/autofs.c. (grub_file_getline): Don't handle comment here. (free_menu): Skip removed field entry->commands. (grub_normal_menu_addentry): Removed as grub_menu_entry, removed script parameter. (read_config_file): Removed nested parameter, change getline function. (grub_enter_normal_mode): Removed. (grub_dyncmd_dispatcher): Moved to normal/dyncmd.c. (read_command_list): Likewise. (autoload_fs_module): Moved to normal/autofs.c. (read_fs_list): Likewise. (reader_nested): New variable. (grub_normal_execute): Run parser.sh to switch to sh parser. (grub_cmd_rescue): Removed. (cmd_normal): Removed. (grub_cmd_normal): Unregister itself at the beginning. Don't register rescue command. (grub_cmdline_run): New function. (grub_normal_reader_init): Likewise. (grub_normal_read_line): Likewise. (grub_env_write_pager): Likewise. (cmdline): New variable. (grub_normal_reader): Likewise. (GRUB_MOD_INIT): Register normal reader and set as current, register pager hook, register normal command with grub_register_command_prio, so that it won't show up in command.lst. (GRUB_MOD_FINI): Unregister normal reader, unhook pager, clear grub_fs_autoload_hook. * normal/menu.c: Remove <grub/script.h>, add <grub/command.h>. (grub_menu_execute_entry): Replace grub_script_execute with grub_parser_execute, change parameter to grub_command_execute. * normal/menu_text.c: Remove <grub/script.h>. * normal/menu_entry.c: Remove <grub/script.h>, add <grub/command.h> and <grub/parser.h>. (run): Change editor_getline to use new parser interface. Change parameter to grub_command_execute. * kern/main.c: Remove <grub/rescue.h>, include <grub/command.h>, <grub/reader.h> and <grub/parser.h>. (grub_load_normal_mode): Execute normal command. (grub_main): Call grub_register_core_commands, grub_register_rescue_parser and grub_register_rescue_reader, use grub_reader_loop to enter input loop. * kern/parser.c (grub_parser_spli_cmdline): Change type of getline parameter. (grub_parser_class): New variable. (grub_parser_execute): New function. * loader/i386/multiboot.c: Remove <grub/rescue.h>. * loader/multiboot2.c: Likewise. * loader/sparc64/ieee1275/linux.c: Likewise. * util/grub-emu.c (read_command_list): New dummy function.
2009-05-02 19:49:34 +00:00
/* reader.c - reader support */
/*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/reader.h>
#include <grub/parser.h>
struct grub_handler_class grub_reader_class =
{
.name = "reader"
};
grub_err_t
grub_reader_loop (grub_reader_getline_t getline)
{
while (1)
{
char *line;
grub_reader_getline_t func;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
func = (getline) ? : grub_reader_get_current ()->read_line;
if ((func (&line, 0)) || (! line))
return grub_errno;
grub_parser_get_current ()->parse_line (line, func);
grub_free (line);
}
}