1 files changed, 27 insertions, 0 deletions

diff --git a/src/sp_tree.h b/src/sp_tree.h
new file mode 100644
index 0000000..c831736
--- /dev/null
+++ b/src/sp_tree.h
@@ -0,0 +1,27 @@
+#ifndef SP_TREE_H
+#define SP_TREE_H
+#include "php_snuffleupagus.h"
+
+typedef enum {
+  UNDEFINED = 0,
+  OBJECT,
+  ARRAY,
+  ARRAY_END,
+  STRING_DELIMITER,
+  CLASS,
+  VAR,
+  ESC_STRING_DELIMITER,
+  CONSTANT
+} elem_type;
+
+typedef struct parser_s {
+  elem_type type;
+  char *value;
+  struct parser_s *idx;
+  struct parser_s *next;
+} sp_tree;
+
+sp_tree *sp_tree_new();
+void sp_tree_free(sp_tree *);
+
+#endif