3 files changed, 49 insertions, 0 deletions
diff --git a/ext/-test-/debug/extconf.rb b/ext/-test-/debug/extconf.rb
new file mode 100644
index 0000000000..8f7922e1a6
--- /dev/null
+++ b/ext/-test-/debug/extconf.rb
@@ -0,0 +1,6 @@
+$srcs = Dir[File.join($srcdir, "*.{#{SRC_EXT.join(%q{,})}}")]
+inits = $srcs.map {|s| File.basename(s, ".*")}
+inits.delete("init")
+inits.map! {|s|"X(#{s})"}
+$defs << "-DTEST_INIT_FUNCS(X)=\"#{inits.join(' ')}\""
+create_makefile("-test-/debug")
diff --git a/ext/-test-/debug/init.c b/ext/-test-/debug/init.c
new file mode 100644
index 0000000000..4b10112144
--- /dev/null
+++ b/ext/-test-/debug/init.c
@@ -0,0 +1,11 @@
+#include "ruby.h"
+
+#define init(n) {void Init_##n(VALUE klass); Init_##n(klass);}
+
+void
+Init_debug(void)
+{
+    VALUE mBug = rb_define_module("Bug");
+    VALUE klass = rb_define_class_under(mBug, "Debug", rb_cModule);
+    TEST_INIT_FUNCS(init);
+}
diff --git a/ext/-test-/debug/inspector.c b/ext/-test-/debug/inspector.c
new file mode 100644
index 0000000000..6212b2ed93
--- /dev/null
+++ b/ext/-test-/debug/inspector.c
@@ -0,0 +1,32 @@
+#include "ruby/ruby.h"
+#include "ruby/debug.h"
+
+static VALUE
+callback(const rb_debug_inspector_t *dbg_context, void *data)
+{
+    VALUE locs = rb_debug_inspector_backtrace_locations(dbg_context);
+    int i, len = RARRAY_LENINT(locs);
+    VALUE binds = rb_ary_new();
+    for (i = 0; i < len; ++i) {
+	VALUE entry = rb_ary_new();
+	rb_ary_push(binds, entry);
+	rb_ary_push(entry, rb_debug_inspector_frame_self_get(dbg_context, i));
+	rb_ary_push(entry, rb_debug_inspector_frame_binding_get(dbg_context, i));
+	rb_ary_push(entry, rb_debug_inspector_frame_class_get(dbg_context, i));
+	rb_ary_push(entry, rb_debug_inspector_frame_iseq_get(dbg_context, i));
+	rb_ary_push(entry, rb_ary_entry(locs, i));
+    }
+    return binds;
+}
+
+static VALUE
+debug_inspector(VALUE self)
+{
+    return rb_debug_inspector_open(callback, NULL);
+}
+
+void
+Init_inspector(VALUE klass)
+{
+    rb_define_module_function(klass, "inspector", debug_inspector, 0);
+}