Initial import

tree_pool.cpp

@@ -0,0 +1,52 @@
+#include "tree_pool.h"
+#include <string.h>
+#include "tree_node.h"
+
+void * TreePool::alloc(size_t size) {
+  void * result = m_cursor;
+  m_cursor += size;
+  return result;
+}
+
+void TreePool::dealloc(void * ptr, size_t size) {
+  // Step 1 - Compact the pool
+  memmove(
+    ptr,
+    static_cast<char *>(ptr) - size,
+    m_cursor - static_cast<char *>(ptr)
+  );
+  m_cursor -= size;
+}
+
+TreeNode * TreePool::node(int identifier) const {
+  for (TreeNode * node : *this) {
+    if (node->identifier() == identifier) {
+      return node;
+    }
+  }
+  /*
+  TreeNode * node = const_cast<TreeNode *>(reinterpret_cast<const TreeNode *>(m_buffer));
+  TreeNode * endOfPool = reinterpret_cast<TreeNode *>(m_cursor);
+  while (node < endOfPool) {
+    if (node->identifier() == identifier) {
+      return node;
+    }
+    node = node->next();
+  }
+  */
+  return nullptr;
+}
+
+#if TREE_LOGGING
+#include <stdio.h>
+
+void TreePool::log() {
+  printf("POOL:");
+  for (TreeNode * node : *this) {
+    printf("|%d", node->m_identifier);
+    //printf("|(%03d|%s|%03d)", node->m_identifier, node->description(), node->retainCount());
+  }
+  printf("|\n");
+}
+#endif
+