frontend/grammar: Added support for <obj_type> . <obj_expression>.

… where <obj_expression> may be an arbitrary expression accessing an object's
fields or attributes.

diff --git a/src/frontend/grammar.y b/src/frontend/grammar.y
index 2872bcf447fdeacb561aae754b9c85420a3fddc7..187f3599c08e2514596bd5046d653c8f03c26842 100644 (file)
--- a/src/frontend/grammar.y
+++ b/src/frontend/grammar.y
@@ -161,7 +161,7 @@ sdb_fe_yyerrorf(YYLTYPE *lval, sdb_fe_yyscan_t scanner, const char *fmt, ...);
 %type <m> matcher
        compare_matcher
 
-%type <expr> expression
+%type <expr> expression object_expression
 
 %type <integer> object_type object_type_plural
 %type <integer> iterable
@@ -516,6 +516,25 @@ expression:
                        sdb_object_deref(SDB_OBJ($3)); $3 = NULL;
                }
        |
+       object_expression
+               {
+                       $$ = $1;
+               }
+       |
+       data
+               {
+                       $$ = sdb_store_expr_constvalue(&$1);
+                       sdb_data_free_datum(&$1);
+               }
+       ;
+
+object_expression:
+       object_type '.' object_expression
+               {
+                       $$ = sdb_store_expr_typed($1, $3);
+                       sdb_object_deref(SDB_OBJ($3));
+               }
+       |
        field
                {
                        $$ = sdb_store_expr_fieldvalue($1);
@@ -526,12 +545,6 @@ expression:
                        $$ = sdb_store_expr_attrvalue($3);
                        free($3); $3 = NULL;
                }
-       |
-       data
-               {
-                       $$ = sdb_store_expr_constvalue(&$1);
-                       sdb_data_free_datum(&$1);
-               }
        ;
 
 object_type: