maint: more syntax-checks

[bison.git] / src / complain.c

diff --git a/src/complain.c b/src/complain.c
index 0fa812abe1ff492a6f868e35e399dc84953d82fd..984b13610d8297fe465962926634a9bd5f03c713 100644 (file)
--- a/src/complain.c
+++ b/src/complain.c
@@ -34,7 +34,7 @@ warnings warnings_flag =
 
 warnings errors_flag;
 
-bool complaint_issued;
+err_status complaint_status = status_none;
 static unsigned *indent_ptr = 0;
 
 void
@@ -110,12 +110,15 @@ error_message (const location *loc, warnings flags, const char *prefix,
   warnings_print_categories (flags);
   {
     size_t l = strlen (message);
-    if (l < 2 || message[l-2] != ':' || message[l-1] != ' ')
+    if (l < 2 || message[l - 2] != ':' || message[l - 1] != ' ')
       {
         putc ('\n', stderr);
         fflush (stderr);
+        if (loc && feature_flag & feature_caret && !(flags & no_caret))
+          location_caret (stderr, *loc);
       }
   }
+  fflush (stderr);
 }
 
 /** Raise a complaint. That can be a fatal error, a complaint or just a
@@ -129,8 +132,11 @@ complains (const location *loc, warnings flags, const char *message,
     : flags & (errors_flag | complaint) ? _("error")
     : _("warning");
 
-  complaint_issued |= flags & (complaint | errors_flag);
-  if (flags & (warnings_flag | silent | fatal | complaint))
+  if ((flags & complaint) && complaint_status < status_complaint)
+    complaint_status = status_complaint;
+  else if ((flags & (warnings_flag & errors_flag)) && ! complaint_status)
+    complaint_status = status_warning_as_error;
+  if (flags & (warnings_flag | fatal | complaint))
     error_message (loc, flags, prefix, message, args);
   if (flags & fatal)
     exit (EXIT_FAILURE);