X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fmessage.h;h=6cfbde7c5019ba2740a01c80bde5266edc7b06fc;hb=831d3d4ca420713ba8fdffd56b3aec25d8b2ea03;hp=36aae9c5d13137d790493ae6ac102ec5cc3ba600;hpb=bd8fac754b2cff134bab7e4ad425a0a988123dba;p=pspp

diff --git a/src/libpspp/message.h b/src/libpspp/message.h
index 36aae9c5d1..6cfbde7c50 100644
--- a/src/libpspp/message.h
+++ b/src/libpspp/message.h
@@ -19,6 +19,7 @@
 
 #include <stdarg.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include "libpspp/compiler.h"
 
 struct string;
@@ -80,18 +81,30 @@ struct msg_location
     int last_column;            /* 1-based exclusive last column (0=none). */
   };
 
+void msg_location_uninit (struct msg_location *);
 void msg_location_destroy (struct msg_location *);
 struct msg_location *msg_location_dup (const struct msg_location *);
 
 bool msg_location_is_empty (const struct msg_location *);
 void msg_location_format (const struct msg_location *, struct string *);
 
+struct msg_stack
+  {
+    struct msg_location *location;
+    char *description;
+  };
+
+void msg_stack_destroy (struct msg_stack *);
+struct msg_stack *msg_stack_dup (const struct msg_stack *);
+
 /* A message. */
 struct msg
   {
     enum msg_category category; /* Message category. */
     enum msg_severity severity; /* Message severity. */
     struct msg_location *location; /* Code location. */
+    struct msg_stack **stack;
+    size_t n_stack;
     char *command_name;         /* Name of erroneous command, or NULL.  */
     char *text;                 /* Error text. */
   };