discover/grub2: Add function support

[petitboot] / discover / grub2 / parser.y

diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index 550c3748df70c0ec1a3636a3f2fc0e242e19e9ef..bcf5935d58015c054b7666e8a0595bbd732c786b 100644 (file)
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -95,6 +95,9 @@ statement: TOKEN_EOL {
                "fi" TOKEN_EOL {
                $$ = create_statement_if(parser, $3, $6, $9);
        }
+       | "function" TOKEN_DELIM word TOKEN_DELIM '{' statements '}' {
+               $$ = create_statement_function(parser, $3, $6);
+       }
        | "menuentry" TOKEN_DELIM words TOKEN_DELIM
                '{' statements '}'
                TOKEN_EOL {
@@ -181,6 +184,17 @@ struct grub2_statement *create_statement_block(struct grub2_parser *parser,
        return &stmt->st;
 }
 
+struct grub2_statement *create_statement_function(struct grub2_parser *parser,
+               struct grub2_word *name, struct grub2_statements *body)
+{
+       struct grub2_statement_function *stmt =
+               talloc(parser, struct grub2_statement_function);
+       stmt->st.exec = statement_function_execute;
+       stmt->name = name;
+       stmt->body = body;
+       return &stmt->st;
+}
+
 void statement_append(struct grub2_statements *stmts,
                struct grub2_statement *stmt)
 {