pp.dump bug fix

hnes · Jun 15, 2017 · 04721db · 04721db
1 parent 810518f
commit 04721db
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/lua-parser/pp.lua b/lua-parser/pp.lua
@@ -311,8 +311,12 @@ end
 function pp.dump (t, i)
   if i == nil then i = 0 end
   io.write(string.format("{\n"))
-  io.write(string.format("%s[tag] = %s\n", string.rep(" ", i+2), t.tag))
-  io.write(string.format("%s[pos] = %s\n", string.rep(" ", i+2), t.pos))
+  if type(t.tag) ~= "nil" then
+    io.write(string.format("%s[tag] = %s\n", string.rep(" ", i+2), t.tag))
+  end
+  if type(t.pos) ~= "nil" then
+    io.write(string.format("%s[pos] = %s\n", string.rep(" ", i+2), t.pos))
+  end
   for k,v in ipairs(t) do
     io.write(string.format("%s[%s] = ", string.rep(" ", i+2), tostring(k)))
     if type(v) == "table" then