Fix Lua 5.1/Lua 5.2/LuaJIT compat

1 files changed, 9 insertions, 3 deletions

diff --git a/parser.lua b/parser.lua
index 4f4e166..12397ef 100644
--- a/parser.lua
+++ b/parser.lua
@@ -71,9 +71,15 @@ local function get_next_common(state, in_pos, token)
                 recheck = true
             end
         end
-        for i, hook in ipairs(st) do
-            if hook then -- allow overriding/disabling hooks
-                hook(state, token, rule)
+        do -- post-hooks CANNOT USE ipairs HERE BECAUSE Lua 5.1/5.2
+            local pos = 1
+            local hook = st[pos]
+            while hook ~= nil do
+                if hook then
+                    hook(state, token, rule)
+                end
+                pos = pos + 1
+                hook = st[pos]
             end
         end
         state[STATE] = transition -- may be nil or false