Implement completion for Ada attributes

This adds a completer for Ada attributes.  Some work in the lexer is
required in order to match end-of-input correctly, as flex does not
have a general-purpose way of doing this.  (The approach taken here is
recommended in the flex manual.)

1 files changed, 5 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.ada/formatted_ref.exp b/gdb/testsuite/gdb.ada/formatted_ref.exp
index 882dbf1..19a3265 100644
--- a/gdb/testsuite/gdb.ada/formatted_ref.exp
+++ b/gdb/testsuite/gdb.ada/formatted_ref.exp
@@ -82,6 +82,11 @@ proc test_p_x_addr { var addr } {
 	    }
 	}
     }
+
+    gdb_test "complete print/x $var'unres" "print/x $var'unrestricted_access"
+    gdb_test_no_output "complete print/x $var'abcd"
+    gdb_test "complete print $var'f" "print $var'first"
+
     return 0
 }