parser common UPDATE added stmt duplication
diff --git a/src/parser_common.c b/src/parser_common.c
index 765ef5a..92b7b29 100644
--- a/src/parser_common.c
+++ b/src/parser_common.c
@@ -369,6 +369,14 @@
static LY_ERR lysp_stmt_list(struct lysp_ctx *ctx, const struct lysp_stmt *stmt, struct lysp_node *parent,
struct lysp_node **siblings);
+/**
+ * @brief Validate stmt string value.
+ *
+ * @param[in] ctx Parser context.
+ * @param[in] val_type String value type.
+ * @param[in] val Value to validate.
+ * @return LY_ERR value.
+ */
static LY_ERR
lysp_stmt_validate_value(struct lysp_ctx *ctx, enum yang_arg val_type, const char *val)
{
@@ -400,6 +408,45 @@
}
/**
+ * @brief Duplicate statement siblings, recursively.
+ *
+ * @param[in] ctx Parser context.
+ * @param[in] stmt Statement to duplicate.
+ * @param[out] first First duplicated statement, the rest follow.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lysp_stmt_dup(struct lysp_ctx *ctx, const struct lysp_stmt *stmt, struct lysp_stmt **first)
+{
+ struct lysp_stmt *child, *last = NULL;
+
+ LY_LIST_FOR(stmt, stmt) {
+ child = calloc(1, sizeof *child);
+ LY_CHECK_ERR_RET(!child, LOGMEM(PARSER_CTX(ctx)), LY_EMEM);
+
+ if (last) {
+ last->next = child;
+ } else {
+ assert(!*first);
+ *first = child;
+ }
+ last = child;
+
+ LY_CHECK_RET(lydict_insert(PARSER_CTX(ctx), stmt->stmt, 0, &child->stmt));
+ LY_CHECK_RET(lydict_insert(PARSER_CTX(ctx), stmt->arg, 0, &child->arg));
+ child->format = stmt->format;
+ LY_CHECK_RET(ly_dup_prefix_data(PARSER_CTX(ctx), stmt->format, stmt->prefix_data, &child->prefix_data));
+ child->flags = stmt->flags;
+ child->kw = stmt->kw;
+
+ /* recursively */
+ LY_CHECK_RET(lysp_stmt_dup(ctx, stmt->child, &child->child));
+ }
+
+ return LY_SUCCESS;
+}
+
+/**
* @brief Parse extension instance.
*
* @param[in] ctx parser context.
@@ -422,7 +469,7 @@
e->parent_stmt = insubstmt;
e->parent_stmt_index = insubstmt_index;
e->parsed = NULL;
- /* TODO (duplicate) e->child = stmt->child; */
+ LY_CHECK_RET(lysp_stmt_dup(ctx, stmt->child, &e->child));
/* get optional argument */
if (stmt->arg) {