X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fgrub2%2Fparser.y;h=9d79d9b9b136aeeed1abf010ffe81db568f24586;hb=20889c61bc0e6712c1cac5a0a6e9e8e9dff7cf84;hp=0beddd6fc3e28252af96acb74cd12a34a0186ebd;hpb=4d411d31deff5c4b2ad7d1689a9219c649843875;p=petitboot

diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index 0beddd6..9d79d9b 100644
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -130,6 +130,12 @@ statement:
 		/* we just flatten everything */
 		$$ = create_statement_block(parser, $6);
 	}
+	| "for" TOKEN_DELIM word TOKEN_DELIM "in" TOKEN_DELIM words TOKEN_EOL
+		"do" sep
+		statements
+		"done" {
+		$$ = create_statement_for(parser, $3, $7, $11);
+	}
 
 words:	word {
 		$$ = create_argv(parser);
@@ -243,6 +249,19 @@ struct grub2_statement *create_statement_function(struct grub2_parser *parser,
 	return &stmt->st;
 }
 
+struct grub2_statement *create_statement_for(struct grub2_parser *parser,
+		struct grub2_word *var, struct grub2_argv *list,
+		struct grub2_statements *body)
+{
+	struct grub2_statement_for *stmt =
+		talloc(parser, struct grub2_statement_for);
+	stmt->st.exec = statement_for_execute;
+	stmt->var = var;
+	stmt->list = list;
+	stmt->body = body;
+	return &stmt->st;
+}
+
 void statement_append(struct grub2_statements *stmts,
 		struct grub2_statement *stmt)
 {
@@ -310,6 +329,9 @@ void grub2_parser_parse(struct grub2_parser *parser, const char *filename,
 	YY_BUFFER_STATE bufstate;
 	int rc;
 
+	if (!len)
+		return;
+
 	parser->script->filename = filename;
 
 	bufstate = yy_scan_bytes(buf, len - 1, parser->scanner);