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.
This commit is contained in:
bean 2009-05-02 19:49:34 +00:00
parent 18db813d65
commit d558e6b5ac
39 changed files with 1132 additions and 877 deletions

View file

@ -1,7 +1,7 @@
/* parser.c - the part of the parser that can return partial tokens */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005,2007 Free Software Foundation, Inc.
* Copyright (C) 2005,2007,2009 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
@ -100,7 +100,7 @@ grub_parser_cmdline_state (grub_parser_state_t state, char c, char *result)
grub_err_t
grub_parser_split_cmdline (const char *cmdline, grub_err_t (*getline) (char **),
grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
int *argc, char ***argv)
{
grub_parser_state_t state = GRUB_PARSER_STATE_TEXT;
@ -152,7 +152,7 @@ grub_parser_split_cmdline (const char *cmdline, grub_err_t (*getline) (char **),
if (! *rd)
{
if (getline)
getline (&rd);
getline (&rd, 1);
else break;
}
@ -227,3 +227,45 @@ grub_parser_split_cmdline (const char *cmdline, grub_err_t (*getline) (char **),
return 0;
}
struct grub_handler_class grub_parser_class =
{
.name = "parser"
};
grub_err_t
grub_parser_execute (char *source)
{
auto grub_err_t getline (char **line, int cont);
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
{
char *p;
if (! source)
{
*line = 0;
return 0;
}
p = grub_strchr (source, '\n');
if (p)
*(p++) = 0;
*line = grub_strdup (source);
source = p;
return 0;
}
while (source)
{
char *line;
grub_parser_t parser;
getline (&line, 0);
parser = grub_parser_get_current ();
parser->parse_line (line, getline);
grub_free (line);
}
return grub_errno;
}