aboutsummaryrefslogtreecommitdiffhomepage
path: root/grammar
diff options
context:
space:
mode:
Diffstat (limited to 'grammar')
-rw-r--r--grammar/q_util.mlp8
1 files changed, 8 insertions, 0 deletions
diff --git a/grammar/q_util.mlp b/grammar/q_util.mlp
index 536ee7ca5..c2d767396 100644
--- a/grammar/q_util.mlp
+++ b/grammar/q_util.mlp
@@ -94,10 +94,14 @@ let coincide s pat off =
done;
!break
+let check_separator sep =
+ if sep <> "" then failwith "Separator is only for arguments with suffix _list_sep."
+
let rec parse_user_entry s sep =
let l = String.length s in
if l > 8 && coincide s "ne_" 0 && coincide s "_list" (l - 5) then
let entry = parse_user_entry (String.sub s 3 (l-8)) "" in
+ check_separator sep;
Ulist1 entry
else if l > 12 && coincide s "ne_" 0 &&
coincide s "_list_sep" (l-9) then
@@ -105,16 +109,20 @@ let rec parse_user_entry s sep =
Ulist1sep (entry, sep)
else if l > 5 && coincide s "_list" (l-5) then
let entry = parse_user_entry (String.sub s 0 (l-5)) "" in
+ check_separator sep;
Ulist0 entry
else if l > 9 && coincide s "_list_sep" (l-9) then
let entry = parse_user_entry (String.sub s 0 (l-9)) "" in
Ulist0sep (entry, sep)
else if l > 4 && coincide s "_opt" (l-4) then
let entry = parse_user_entry (String.sub s 0 (l-4)) "" in
+ check_separator sep;
Uopt entry
else if l = 7 && coincide s "tactic" 0 && '5' >= s.[6] && s.[6] >= '0' then
let n = Char.code s.[6] - 48 in
+ check_separator sep;
Uentryl ("tactic", n)
else
let s = match s with "hyp" -> "var" | _ -> s in
+ check_separator sep;
Uentry s