1 files changed, 32 insertions, 0 deletions
diff --git a/prism/internal/node.h b/prism/internal/node.h
new file mode 100644
index 0000000000..ca6d5616d7
--- /dev/null
+++ b/prism/internal/node.h
@@ -0,0 +1,32 @@
+#ifndef PRISM_INTERNAL_NODE_H
+#define PRISM_INTERNAL_NODE_H
+
+#include "prism/node.h"
+
+#include "prism/compiler/force_inline.h"
+
+#include "prism/arena.h"
+
+/*
+ * Slow path for pm_node_list_append: grow the list and append the node.
+ * Do not call directly — use pm_node_list_append instead.
+ */
+void pm_node_list_append_slow(pm_arena_t *arena, pm_node_list_t *list, pm_node_t *node);
+
+/* Append a new node onto the end of the node list. */
+static PRISM_FORCE_INLINE void
+pm_node_list_append(pm_arena_t *arena, pm_node_list_t *list, pm_node_t *node) {
+    if (list->size < list->capacity) {
+        list->nodes[list->size++] = node;
+    } else {
+        pm_node_list_append_slow(arena, list, node);
+    }
+}
+
+/* Prepend a new node onto the beginning of the node list. */
+void pm_node_list_prepend(pm_arena_t *arena, pm_node_list_t *list, pm_node_t *node);
+
+/* Concatenate the given node list onto the end of the other node list. */
+void pm_node_list_concat(pm_arena_t *arena, pm_node_list_t *list, pm_node_list_t *other);
+
+#endif