correctly handle *splat arguments in mrb_get_argc, also add mrb_vm_get_argc and mrb_get_argv

Fixes #3825

1 files changed, 11 insertions, 1 deletions

diff --git a/include/mruby.h b/include/mruby.h
index 316707909..54ba0ead4 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -858,12 +858,22 @@ mrb_get_mid(mrb_state *mrb) /* get method symbol */
   return mrb->c->ci->mid;
 }
 
+/* returns -1 for *splat arguments */
 static inline mrb_int
-mrb_get_argc(mrb_state *mrb) /* get argc */
+mrb_vm_get_argc(mrb_state *mrb) /* get argc */
 {
   return mrb->c->ci->argc;
 }
 
+/**
+ * Retrieve number of arguments from mrb_state.
+ *
+ * Correctly handles *splat arguments.
+ */
+MRB_API mrb_int mrb_get_argc(mrb_state *mrb);
+
+MRB_API mrb_value* mrb_get_argv(mrb_state *mrb);
+
 /* `strlen` for character string literals (use with caution or `strlen` instead)
     Adjacent string literals are concatenated in C/C++ in translation phase 6.
     If `lit` is not one, the compiler will report a syntax error: