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merged with mainline

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This commit is contained in:
BVK Chaitanya 2010-03-26 23:49:49 +05:30
commit dae0d05f2d
50 changed files with 1089 additions and 1503 deletions
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26
script/execute.c
View file

@ -291,6 +291,32 @@ grub_script_execute_cmdif (struct grub_script_cmd *cmd)
return grub_script_execute_cmd (cmdif->exec_on_false);
}
/* Execute a for statement. */
grub_err_t
grub_script_execute_cmdfor (struct grub_script_cmd *cmd)
{
int i;
int result;
char **args;
int argcount;
struct grub_script_cmdfor *cmdfor = (struct grub_script_cmdfor *) cmd;
args = grub_script_execute_arglist_to_argv (cmdfor->words, &argcount);
if (!args)
return grub_errno;
result = 0;
for (i = 0; i < argcount; i++)
{
grub_env_set (cmdfor->name->str, args[i]);
result = grub_script_execute_cmd (cmdfor->list);
grub_free (args[i]);
}
grub_free (args);
return result;
}
/* Execute the menu entry generate statement. */
grub_err_t
grub_script_execute_menuentry (struct grub_script_cmd *cmd)

14
script/parser.y
View file

@ -74,7 +74,7 @@
%token <arg> GRUB_PARSER_TOKEN_WORD "word"
%type <arglist> word argument arguments0 arguments1
%type <cmd> script_init script grubcmd ifcmd command
%type <cmd> script_init script grubcmd ifcmd forcmd command
%type <cmd> commands1 menuentry statement
%pure-parser
@ -173,6 +173,7 @@ grubcmd: word arguments0
/* A single command. */
command: grubcmd { $$ = $1; }
| ifcmd { $$ = $1; }
| forcmd { $$ = $1; }
;
/* A list of commands. */
@ -236,3 +237,14 @@ ifcmd: if commands1 delimiters1 "then" commands1 delimiters1 "fi"
grub_script_lexer_deref (state->lexerstate);
}
;
forcmd: "for" "name"
{
grub_script_lexer_ref (state->lexerstate);
}
"in" arguments0 delimiters1 "do" commands1 delimiters1 "done"
{
$$ = grub_script_create_cmdfor (state, $2, $5, $8);
grub_script_lexer_deref (state->lexerstate);
}
;

24
script/script.c
View file

@ -221,6 +221,30 @@ grub_script_create_cmdif (struct grub_parser_param *state,
return (struct grub_script_cmd *) cmd;
}
/* Create a command that functions as a for statement. */
struct grub_script_cmd *
grub_script_create_cmdfor (struct grub_parser_param *state,
struct grub_script_arg *name,
struct grub_script_arglist *words,
struct grub_script_cmd *list)
{
struct grub_script_cmdfor *cmd;
grub_dprintf ("scripting", "cmdfor\n");
cmd = grub_script_malloc (state, sizeof (*cmd));
if (! cmd)
return 0;
cmd->cmd.exec = grub_script_execute_cmdfor;
cmd->cmd.next = 0;
cmd->name = name;
cmd->words = words;
cmd->list = list;
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.