XEmacs 21.2-b1

[chise/xemacs-chise.git-] / tests / tooltalk / emacs-eval.c

diff --git a/tests/tooltalk/emacs-eval.c b/tests/tooltalk/emacs-eval.c
new file mode 100644 (file)
index 0000000..053c5bb
--- /dev/null
+++ b/tests/tooltalk/emacs-eval.c
@@ -0,0 +1,95 @@
+/* emacs-eval.c - send an s-expression to XEmacs for evaluation via ToolTalk */
+
+/* See `tooltalk-eval-handler' in the file lisp/tooltalk/tooltalk-init.el for
+   the receiver side. */
+
+#include <desktop/tt_c.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+
+Tt_status      tter;
+
+#define exit_err_ptr(ptr) \
+if ((tter = tt_ptr_error(ptr)) != TT_OK) \
+{ fprintf(stderr, "%d:%s\n", __LINE__, tt_status_message(tter)); exit(1); }
+
+#define exit_err(stat) \
+if ((tter = stat) != TT_OK) \
+{ fprintf(stderr, "%d:%s\n", __LINE__, tt_status_message(tter)); exit(1); }
+
+Tt_callback_action callback_fn(Tt_message msg, Tt_pattern pat);
+static Tt_message create_new_message(char *s_expression);
+static int initialize_tooltalk(void);
+static void usage(void);
+
+static char*           tt_procid;
+
+Tt_callback_action
+callback_fn(Tt_message msg, Tt_pattern pat)
+{
+  tt_message_destroy(msg);
+  return TT_CALLBACK_PROCESSED;
+}
+
+static Tt_message
+create_new_message(char *s_expression)
+{
+  Tt_message   msg;
+
+  msg = tt_message_create();
+  exit_err_ptr(msg);
+
+  exit_err(tt_message_address_set (msg, TT_PROCEDURE));
+  exit_err(tt_message_class_set   (msg, TT_REQUEST));
+  exit_err(tt_message_scope_set   (msg, TT_SESSION));
+  exit_err(tt_message_op_set      (msg, "emacs-eval"));
+  exit_err(tt_message_arg_add     (msg, TT_IN, "string", s_expression));
+  exit_err(tt_message_callback_add(msg, callback_fn));
+
+  return msg;
+}
+
+static int
+initialize_tooltalk(void) {
+  int rcode;
+
+  tt_procid = tt_open();
+  if ((rcode = tt_ptr_error(tt_procid)) != TT_OK) {
+    return rcode;
+  }
+  
+  if ((rcode = tt_session_join(tt_default_session())) != TT_OK) { 
+    return (rcode);
+  }    
+}
+
+
+static void
+usage(void)
+{
+  fprintf(stderr, 
+         "Usage: emacs-eval \"<s-expression>\"\n\n");
+}
+
+void
+main(argc, argv)
+     int               argc;
+     char              *argv[];
+{
+
+  Tt_message   msg;
+
+  if (argc != 2) {
+    usage();
+    exit(0);
+  }
+
+  exit_err(initialize_tooltalk());
+
+  msg = create_new_message(argv[1]);
+
+  exit_err(tt_message_send(msg));
+
+  return;
+}