optscript: introduce opt_dict_known_and_get as new C API

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

Author: masatake

dsl/optscript.c

@@ -689,6 +689,12 @@ opt_dict_known_and_get_cstr (EsObject *dict, const char* name, EsObject **val)
 	return dict_op_known_and_get (dict, sym, val);
 }
 
+bool
+opt_dict_known_and_get (EsObject *dict, EsObject *key, EsObject **val)
+{
+	return dict_op_known_and_get (dict, key, val);
+}
+
 bool
 opt_dict_foreach (EsObject *dict, bool (* fn) (EsObject *, EsObject *, void*), void *data)
 {

dsl/optscript.h

@@ -53,6 +53,7 @@ unsigned int opt_vm_ostack_count (OptVM *vm);
 
 EsObject *opt_dict_new       (unsigned int size);
 bool      opt_dict_known_and_get_cstr (EsObject *dict, const char* name, EsObject **val);
+bool      opt_dict_known_and_get (EsObject *dict, EsObject *key, EsObject **val);
 bool      opt_dict_foreach   (EsObject *dict, bool (* fn) (EsObject *, EsObject *, void*), void *data);
 void      opt_dict_def       (EsObject *dict, EsObject *sym, EsObject *val);
 bool      opt_dict_undef     (EsObject *dict, EsObject *sym);