ext/jsonnet/vm.c in jsonnet-0.4.0 vs ext/jsonnet/vm.c in jsonnet-0.5.0

@@ -5,10 +5,14 @@
 #include <ruby/ruby.h>
 #include <ruby/intern.h>
 
 #include "ruby_jsonnet.h"
 
+#ifndef NORETURN
+# define NORETURN(x) x
+#endif
+
 /*
  * defines the core part of Jsonnet::VM
  */
 
 /*
@@ -383,11 +387,11 @@
 }
 
 void
 rubyjsonnet_init_vm(VALUE mJsonnet)
 {
-    cVM = rb_define_class_under(mJsonnet, "VM", rb_cData);
+    cVM = rb_define_class_under(mJsonnet, "VM", rb_cObject);
     rb_define_singleton_method(cVM, "new", vm_s_new, -1);
     rb_define_private_method(cVM, "eval_file", vm_evaluate_file, 3);
     rb_define_private_method(cVM, "eval_snippet", vm_evaluate, 3);
     rb_define_private_method(cVM, "fmt_file", vm_fmt_file, 2);
     rb_define_private_method(cVM, "fmt_snippet", vm_fmt_snippet, 2);
@@ -422,11 +426,11 @@
     eEvaluationError = rb_define_class_under(mJsonnet, "EvaluationError", rb_eRuntimeError);
     eFormatError = rb_define_class_under(mJsonnet, "FormatError", rb_eRuntimeError);
 }
 
 static void
-raise_error(VALUE exception_class, struct JsonnetVm *vm, char *msg, rb_encoding *enc)
+NORETURN(raise_error)(VALUE exception_class, struct JsonnetVm *vm, char *msg, rb_encoding *enc)
 {
     VALUE ex;
     const int state = rubyjsonnet_jump_tag(msg);
     if (state) {
 	/*
@@ -449,16 +453,16 @@
  * @return never returns
  * @throw EvaluationError
  * @sa rescue_callback
  */
 static void
-raise_eval_error(struct JsonnetVm *vm, char *msg, rb_encoding *enc)
+NORETURN(raise_eval_error)(struct JsonnetVm *vm, char *msg, rb_encoding *enc)
 {
     raise_error(eEvaluationError, vm, msg, enc);
 }
 
 static void
-raise_format_error(struct JsonnetVm *vm, char *msg, rb_encoding *enc)
+NORETURN(raise_format_error)(struct JsonnetVm *vm, char *msg, rb_encoding *enc)
 {
     raise_error(eFormatError, vm, msg, enc);
 }
 
 /**