Add missing header file

obj.h

@@ -0,0 +1,45 @@
+/* obj.h: objecty and exceptiony stuff
+ *
+ * Some macros to make C a bit more like C++, but without bringing in
+ * all of C++'s crapola.
+ */
+
+#ifndef __OBJ_H__
+#define __OBJ_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/** Exception-type things.  Don't nest them.
+ *
+ * These allow you to have pseudo-exceptions.  It looks kludgy and it
+ * is, but I think it makes the actual code easier to understand.
+ */
+static char *exception;
+#define try for (exception = "Failure"; exception; exception = NULL)
+#define fail break
+#define succeed continue
+#define raise(x) {exception = x; break;}
+#define except if (exception)
+
+/** Allocate something */
+#define new(type) (type *)calloc(1, sizeof(type))
+
+/** Clear something out */
+#define zero(x) (void)memset(&x, 0, sizeof(x))
+
+/** Printf debugging macros */
+#ifdef NODUMP
+#  define DUMPf(fmt, args...)
+#else
+#  define DUMPf(fmt, args...) fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, ##args)
+#endif
+#define DUMP() DUMPf("")
+#define DUMP_d(v) DUMPf("%s = %d", #v, v)
+#define DUMP_x(v) DUMPf("%s = 0x%x", #v, v)
+#define DUMP_s(v) DUMPf("%s = %s", #v, v)
+#define DUMP_c(v) DUMPf("%s = '%c' (0x%02x)", #v, v, v)
+#define DUMP_p(v) DUMPf("%s = %p", #v, v)
+
+#endif