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2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>

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Script fixes

	* include/grub/script_sh.h (grub_script_cmdline): remove cmdline
	(grub_lexer_param): add tokenonhold
	(grub_script_create_cmdline): remove cmdline. All callers updated
	(grub_script_function_create): make functionname
	grub_script_arg. All callers updated
	(grub_script_execute_argument_to_string): new prototype
	* kern/parser.c (state_transitions): reorder
	(grub_parser_cmdline_state): fix a bug and make more compact
	* script/sh/execute.c (grub_script_execute_argument_to_string): 
	make global
	(grub_script_execute_cmdline): use new format
	* script/sh/function.c (grub_script_function_create): make functionname
	grub_script_arg. All callers updated
	* script/sh/lexer.c (grub_script_lexer_init): initilaize tokenonhold
	(grub_script_yylex): remove
	(grub_script_yylex2): renamed to ...
	(grub_script_yylex): ...renamed
	parse the expressions like a${b}c
	* script/sh/parser.y (GRUB_PARSER_TOKEN_ARG): new typed terminal
	(GRUB_PARSER_TOKEN_VAR): remove
	(GRUB_PARSER_TOKEN_NAME): likewise
	("if"): declare as typeless
	("while"): likewise
	("function"): likewise
	("else"): likewise
	("then"): likewise
	("fi"): likewise
	(text): remove
	(argument): likewise
	(script): accept empty scripts and make exit on error
	(arguments): use GRUB_PARSER_TOKEN_ARG
	(function): likewise
	(command): move error handling to script
	(menuentry): move grub_script_lexer_ref before
	* script/sh/script.c (grub_script_create_cmdline): remove cmdline 
	argument. All callers updated
This commit is contained in:
phcoder 2009-06-04 16:18:35 +00:00
parent f4448a0792
commit fda6cb987f
8 changed files with 304 additions and 280 deletions
Download patch file Download diff file Expand all files Collapse all files

17
script/sh/execute.c
View file

@ -37,7 +37,7 @@ grub_script_execute_cmd (struct grub_script_cmd *cmd)
/* Parse ARG and return the textual representation. Add strings are
concatenated and all values of the variables are filled in. */
static char *
char *
grub_script_execute_argument_to_string (struct grub_script_arg *arg)
{
int size = 0;
@ -93,20 +93,22 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
int argcount = 0;
grub_script_function_t func = 0;
char errnobuf[6];
char *cmdname;
/* Lookup the command. */
grubcmd = grub_command_find (cmdline->cmdname);
cmdname = grub_script_execute_argument_to_string (cmdline->arglist->arg);
grubcmd = grub_command_find (cmdname);
if (! grubcmd)
{
/* Ignore errors. */
grub_errno = GRUB_ERR_NONE;
/* It's not a GRUB command, try all functions. */
func = grub_script_function_find (cmdline->cmdname);
func = grub_script_function_find (cmdname);
if (! func)
{
/* As a last resort, try if it is an assignment. */
char *assign = grub_strdup (cmdline->cmdname);
char *assign = grub_strdup (cmdname);
char *eq = grub_strchr (assign, '=');
if (eq)
@ -123,14 +125,15 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
return 0;
}
}
grub_free (cmdname);
if (cmdline->arglist)
if (cmdline->arglist->next)
{
argcount = cmdline->arglist->argcount;
argcount = cmdline->arglist->argcount - 1;
/* Create argv from the arguments. */
args = grub_malloc (sizeof (char *) * argcount);
for (arglist = cmdline->arglist; arglist; arglist = arglist->next)
for (arglist = cmdline->arglist->next; arglist; arglist = arglist->next)
{
char *str;
str = grub_script_execute_argument_to_string (arglist->arg);