@@ -163,3 +163,50 @@ along with GCC; see the file COPYING3. If not see
#include <string.h>
#include <assert.h>
#include <unistd.h>
+
+/* Input and output file descriptors and pathnames. */
+static FILE *bif_file;
+static FILE *ovld_file;
+static FILE *header_file;
+static FILE *init_file;
+static FILE *defines_file;
+
+static const char *pgm_path;
+static const char *bif_path;
+static const char *ovld_path;
+static const char *header_path;
+static const char *init_path;
+static const char *defines_path;
+
+/* Position information. Note that "pos" is zero-indexed, but users
+ expect one-indexed column information, so representations of "pos"
+ as columns in diagnostic messages must be adjusted. */
+#define LINELEN 1024
+static char linebuf[LINELEN];
+static int line;
+static int pos;
+
+/* Pointer to a diagnostic function. */
+static void (*diag) (const char *, ...)
+ __attribute__ ((format (printf, 1, 2)));
+
+/* Custom diagnostics. */
+static void __attribute__ ((format (printf, 1, 2)))
+bif_diag (const char * fmt, ...)
+{
+ va_list args;
+ fprintf (stderr, "%s:%d: ", bif_path, line);
+ va_start (args, fmt);
+ vfprintf (stderr, fmt, args);
+ va_end (args);
+}
+
+static void __attribute__ ((format (printf, 1, 2)))
+ovld_diag (const char * fmt, ...)
+{
+ va_list args;
+ fprintf (stderr, "%s:%d: ", ovld_path, line);
+ va_start (args, fmt);
+ vfprintf (stderr, fmt, args);
+ va_end (args);
+}