1 files changed, 46 insertions, 0 deletions
diff --git a/mrbgems/mruby-binding/src/binding.c b/mrbgems/mruby-binding/src/binding.c
new file mode 100644
index 000000000..4899dcc20
--- /dev/null
+++ b/mrbgems/mruby-binding/src/binding.c
@@ -0,0 +1,46 @@
+#include "mruby.h"
+#include "mruby/array.h"
+#include "mruby/hash.h"
+#include "mruby/proc.h"
+#include "mruby/variable.h"
+
+mrb_value proc_local_variables(mrb_state *mrb, struct RProc *proc);
+
+static mrb_value
+binding_local_variables(mrb_state *mrb, mrb_value self)
+{
+  struct RProc *proc = mrb_proc_ptr(mrb_iv_get(mrb, self, mrb_intern_lit(mrb, "proc")));
+  return proc_local_variables(mrb, proc);
+}
+
+static mrb_value
+mrb_f_binding(mrb_state *mrb, mrb_value self)
+{
+  struct RObject *obj;
+  mrb_value binding;
+  struct RProc *proc;
+  mrb_int i;
+
+  obj = (struct RObject*)mrb_obj_alloc(mrb, MRB_TT_OBJECT, mrb_class_get(mrb, "Binding"));
+  binding = mrb_obj_value(obj);
+  proc = mrb->c->ci[-1].proc;
+  mrb_iv_set(mrb, binding, mrb_intern_lit(mrb, "proc"), mrb_obj_value(proc));
+  mrb_iv_set(mrb, binding, mrb_intern_lit(mrb, "recv"), self);
+  return binding;
+}
+
+void
+mrb_mruby_binding_gem_init(mrb_state *mrb)
+{
+  struct RClass *binding = mrb_define_class(mrb, "Binding", mrb->object_class);
+  mrb_undef_class_method(mrb, binding, "new");
+
+  mrb_define_method(mrb, mrb->kernel_module, "binding", mrb_f_binding, MRB_ARGS_NONE());
+
+  mrb_define_method(mrb, binding, "local_variables", binding_local_variables, MRB_ARGS_NONE());
+}
+
+void
+mrb_mruby_binding_gem_final(mrb_state *mrb)
+{
+}