Merge pull request #1057 from mattn/mruby-print

mruby-print gem

1 files changed, 44 insertions, 0 deletions

diff --git a/mrbgems/mruby-print/src/print.c b/mrbgems/mruby-print/src/print.c
new file mode 100644
index 000000000..608e3cc2d
--- /dev/null
+++ b/mrbgems/mruby-print/src/print.c
@@ -0,0 +1,44 @@
+#include "mruby.h"
+#include "mruby/string.h"
+#include <stdio.h>
+
+static void
+printstr(mrb_state *mrb, mrb_value obj)
+{
+  struct RString *str;
+  char *s;
+  int len;
+
+  if (mrb_string_p(obj)) {
+    str = mrb_str_ptr(obj);
+    s = str->ptr;
+    len = str->len;
+    fwrite(s, len, 1, stdout);
+  }
+}
+
+/* 15.3.1.2.9  */
+/* 15.3.1.3.34 */
+mrb_value
+mrb_printstr(mrb_state *mrb, mrb_value self)
+{
+  mrb_value argv;
+
+  mrb_get_args(mrb, "o", &argv);
+  printstr(mrb, argv);
+
+  return argv;
+}
+
+void
+mrb_mruby_print_gem_init(mrb_state* mrb)
+{
+  struct RClass *krn;
+  krn = mrb->kernel_module;
+  mrb_define_method(mrb, krn, "__printstr__", mrb_printstr, ARGS_REQ(1));
+}
+
+void
+mrb_mruby_print_gem_final(mrb_state* mrb)
+{
+}