1 files changed, 20 insertions, 0 deletions
diff --git a/prism_compile.h b/prism_compile.h
new file mode 100644
index 0000000000..dcafa85555
--- /dev/null
+++ b/prism_compile.h
@@ -0,0 +1,20 @@
+#include "prism/prism.h"
+
+// ScopeNodes are helper nodes, and will never be part of the AST. We manually
+// declare them here to avoid generating them.
+typedef struct pm_scope_node {
+    pm_node_t base;
+    struct pm_scope_node *previous;
+    pm_node_t *ast_node;
+    struct pm_parameters_node *parameters;
+    pm_node_t *body;
+    pm_constant_id_list_t locals;
+    pm_parser_t *parser;
+
+    // We don't have the CRuby types ID and st_table within Prism
+    // so we use void *
+    void *constants; // ID *constants
+    void *index_lookup_table; // st_table *index_lookup_table
+} pm_scope_node_t;
+
+void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous, pm_parser_t *parser);