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Implement time command.

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* grub-core/Makefile.core.def (time): New module.
	* grub-core/commands/time.c: New file.
	* grub-core/script/parser.y: Remove "time" keyword.
	* grub-core/script/yylex.l: Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-06-27 12:31:37 +02:00
parent 5ebaad7eec
commit 5ff1d945ed
5 changed files with 82 additions and 3 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2011-06-27 Vladimir Serbinenko <phcoder@gmail.com>
Implement time command.
* grub-core/Makefile.core.def (time): New module.
* grub-core/commands/time.c: New file.
* grub-core/script/parser.y: Remove "time" keyword.
* grub-core/script/yylex.l: Likewise.
2011-06-27 Vladimir Serbinenko <phcoder@gmail.com>
* include/grub/loader.h (grub_loader_unregister_preboot_hook): Export.

5
grub-core/Makefile.core.def
View file

@ -1641,3 +1641,8 @@ module = {
common = commands/keylayouts.c;
enable = videomodules;
};
module = {
name = time;
common = commands/time.c;
};

68
grub-core/commands/time.c Normal file
View file

@ -0,0 +1,68 @@
/* echo.c - Command to display a line of text */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 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/time.h>
#include <grub/misc.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/i18n.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_err_t
grub_cmd_time (grub_command_t ctxt __attribute__ ((unused)),
int argc, char **args)
{
grub_command_t cmd;
grub_uint32_t start;
grub_uint32_t end;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "command expected");
cmd = grub_command_find (args[0]);
if (!cmd)
return grub_error (GRUB_ERR_UNKNOWN_COMMAND, "Unknown command `%s'\n",
args[0]);
start = grub_get_time_ms ();
(cmd->func) (cmd, argc - 1, &args[1]);
end = grub_get_time_ms ();
grub_printf ("Elapsed time: %d.%03d seconds \n", (end - start) / 1000,
(end - start) % 1000);
return grub_errno;
}
static grub_command_t cmd;
GRUB_MOD_INIT(time)
{
cmd = grub_register_command ("time", grub_cmd_time,
N_("COMMAND [ARGS]"),
N_("Measure time used by COMMAND"));
}
GRUB_MOD_FINI(time)
{
grub_unregister_command (cmd);
}

2
grub-core/script/parser.y
View file

@ -74,7 +74,6 @@
%token <arg> GRUB_PARSER_TOKEN_THEN "then"
%token <arg> GRUB_PARSER_TOKEN_UNTIL "until"
%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_NAME "name"
%token <arg> GRUB_PARSER_TOKEN_WORD "word"
@ -147,7 +146,6 @@ 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); }
| "time" { $$ = grub_script_add_arglist (state, 0, $1); }
| word { $$ = $1; }
;

1
grub-core/script/yylex.l
View file

@ -161,7 +161,6 @@ MULTILINE {WORD}?((\"{DQCHR}*)|(\'{SQCHR}*)|(\\\n))
"}" { RECORD; return GRUB_PARSER_TOKEN_RBR; }
"[[" { RECORD; return GRUB_PARSER_TOKEN_RSQBR2; }
"]]" { RECORD; return GRUB_PARSER_TOKEN_LSQBR2; }
"time" { RECORD; return GRUB_PARSER_TOKEN_TIME; }
"case" { RECORD; return GRUB_PARSER_TOKEN_CASE; }
"do" { RECORD; return GRUB_PARSER_TOKEN_DO; }
"done" { RECORD; return GRUB_PARSER_TOKEN_DONE; }