container_of(stmt, struct grub2_statement_menuentry, st)
#define to_stmt_function(stmt) \
container_of(stmt, struct grub2_statement_function, st)
+#define to_stmt_for(stmt) \
+ container_of(stmt, struct grub2_statement_for, st)
#define to_stmt_conditional(stmt) \
container_of(stmt, struct grub2_statement_conditional, st)
{
struct grub2_statement_if *st = to_stmt_if(statement);
struct grub2_statement *conditional;
- bool executed;
+ bool executed = false;
int rc = 0;
list_for_each_entry(&st->conditionals->list, conditional, list) {
opt->option->is_default = option_is_default(script, opt, id);
- discover_context_add_boot_option(script->ctx, opt);
+ list_add_tail(&script->options, &opt->list);
script->n_options++;
script->opt = NULL;
return 0;
}
+int statement_for_execute(struct grub2_script *script,
+ struct grub2_statement *statement)
+{
+ struct grub2_statement_for *st = to_stmt_for(statement);
+ const char *varname;
+ int i, rc = 0;
+
+ if (st->var->type == GRUB2_WORD_VAR)
+ expand_var(script, st->var);
+ varname = st->var->text;
+
+ process_expansions(script, st->list);
+
+ for (i = 0; i < st->list->argc; ++i) {
+ script_env_set(script, varname, st->list->argv[i]);
+ rc = statements_execute(script, st->body);
+ }
+
+ return rc;
+}
+
static void init_env(struct grub2_script *script)
{
struct env_entry *env;
list_add(&script->symtab, &entry->list);
}
+static void set_fallback_default(struct grub2_script *script)
+{
+ struct discover_boot_option *opt, *first = NULL;
+ bool have_default = false;
+
+ list_for_each_entry(&script->options, opt, list) {
+ if (!first)
+ first = opt;
+ have_default = have_default || opt->option->is_default;
+ }
+
+ if (!have_default && first) {
+ const char *env = script_env_get(script, "default");
+
+ pb_log("grub: no explicit default (env default=%s), "
+ "falling back to first option (%s)\n",
+ env ?: "unset", first->option->name);
+
+ first->option->is_default = true;
+ }
+}
void script_execute(struct grub2_script *script)
{
+ struct discover_boot_option *opt, *tmp;
+
init_env(script);
statements_execute(script, script->statements);
+
+ set_fallback_default(script);
+
+ list_for_each_entry_safe(&script->options, opt, tmp, list)
+ discover_context_add_boot_option(script->ctx, opt);
+
+ /* Our option list will be invalid, as we've added all options to the
+ * discover context */
+ list_init(&script->options);
}
struct grub2_script *create_script(struct grub2_parser *parser,
script->ctx = ctx;
list_init(&script->symtab);
+ list_init(&script->options);
register_builtins(script);
return script;