libyang REFACTOR avoid constant literals
Improve readability of the code.
Includes also unification of "no break in the case" comment to "fall
through".
diff --git a/src/xpath.h b/src/xpath.h
index 5b04457..d53bceb 100644
--- a/src/xpath.h
+++ b/src/xpath.h
@@ -223,13 +223,15 @@
struct lyxp_set_scnode {
struct lysc_node *scnode;
enum lyxp_node_type type;
- /* -2 - scnode not traversed, currently (the only node) in context;
- * -1 - scnode not traversed except for the eval start, not currently in the context;
- * 0 - scnode was traversed, but not currently in the context;
- * 1 - scnode currently in context;
- * 2 - scnode in context and just added, so skip it for the current operation;
- * >=3 - scnode is not in context because we are in a predicate and this scnode was used/will be used later */
- int32_t in_ctx;
+
+#define LYXP_SET_SCNODE_START -2 /**< scnode not traversed, currently (the only node) in context */
+#define LYXP_SET_SCNODE_START_USED -1 /**< scnode not traversed except for the eval start, not currently in the context */
+#define LYXP_SET_SCNODE_ATOM 0 /**< scnode was traversed, but not currently in the context */
+#define LYXP_SET_SCNODE_ATOM_CTX 1 /**< scnode currently in context */
+#define LYXP_SET_SCNODE_ATOM_NEW_CTX 2 /**< scnode in context and just added, so skip it for the current operation */
+#define LYXP_SET_SCNODE_ATOM_PRED_CTX 3 /**< includes any higher value - scnode is not in context because we are in
+ a predicate and this scnode was used/will be used later */
+ int32_t in_ctx; /**< values defined as LYXP_SET_SCNODE_* */
} *scnodes;
struct lyxp_set_meta {
struct lyd_meta *meta;