From ca127507492041f5375aa586343082c2ac2a584a Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 7 Jul 2014 21:42:43 -0400
Subject: [PATCH] show exception info

---
 main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 5eabf3d..ae3c408 100644
--- a/main.c
+++ b/main.c
@@ -9,7 +9,10 @@ static VALUE eval(const char * string)
     VALUE v = rb_eval_string_protect(string, &state);
     if (state != 0)
     {
-        fprintf(stderr, "rb_eval_string_protect() returned state %d!\n", state);
+//        fprintf(stderr, "rb_eval_string_protect() returned state %d!\n", state);
+        VALUE e = rb_errinfo();
+        VALUE s = rb_funcall(e, rb_intern("message"), 0);
+        printf("%s\n", StringValueCStr(s));
         rb_set_errinfo(Qnil);
     }
     return v;
@@ -27,6 +30,7 @@ int main(int argc, char *argv[])
         ruby_init_loadpath();
         VALUE v = eval("3 + 8");
         printf("v: %d\n", FIX2INT(v));
+        eval("yoda");
         eval("File.open('out.txt', 'w') {|fh| fh.puts 'hello!'}");
         eval("puts 'Hello, World!'");
         ruby_finalize();