diff --git a/moonscript/parse.lua b/moonscript/parse.lua
index 706d2e5..e4fec26 100644
--- a/moonscript/parse.lua
+++ b/moonscript/parse.lua
@@ -26,6 +26,8 @@ end
 local R, S, V, P = lpeg.R, lpeg.S, lpeg.V, lpeg.P
 local C, Ct, Cmt, Cg, Cb, Cc = lpeg.C, lpeg.Ct, lpeg.Cmt, lpeg.Cg, lpeg.Cb, lpeg.Cc
 
+lpeg.setmaxstack(3000)
+
 local White = S" \t\n"^0
 local _Space = S" \t"^0
 local Break = S"\n"
@@ -159,7 +161,7 @@ local build_grammar = wrap(function()
 
 
 	-- makes sure the last item in a chain is an index
-	local _assignable = { index = true, dot = true}
+	local _assignable = { index = true, dot = true, slice = true }
 	local function check_assignable(str, pos, value)
 		if ntype(value) == "chain" and _assignable[ntype(value[#value])]
 			or type(value) == "string"
@@ -256,9 +258,12 @@ local build_grammar = wrap(function()
 
 		Assignable = Cmt(Chain, check_assignable) + Name,
 		AssignableList = Assignable * (sym"," * Assignable)^0,
-		Exp = Ct(Factor * (OtherOps * Factor)^0) / flatten_or_mark"exp",
-		Factor = Ct(Term * (FactorOp * Term)^0) / flatten_or_mark"exp",
-		Term = Ct(Value * (TermOp * Value)^0) / flatten_or_mark"exp",
+
+		Exp = Ct(Value * ((OtherOps + FactorOp + TermOp) * Value)^0) / flatten_or_mark"exp",
+
+		-- Exp = Ct(Factor * (OtherOps * Factor)^0) / flatten_or_mark"exp",
+		-- Factor = Ct(Term * (FactorOp * Term)^0) / flatten_or_mark"exp",
+		-- Term = Ct(Value * (TermOp * Value)^0) / flatten_or_mark"exp",
 
 		Value =
 			sym"-" * Exp / mark"minus" +
@@ -271,6 +276,7 @@ local build_grammar = wrap(function()
 			Assign + FunLit + String +
 			(Chain + Callable) * Ct(ExpList^0) / flatten_func + Num,
 
+
 		String = Space * DoubleString + Space * SingleString + LuaString,
 		SingleString = simple_string("'"),
 		DoubleString = simple_string('"'),
@@ -296,10 +302,13 @@ local build_grammar = wrap(function()
 
 		ChainItem = 
 			Invoke + 
+			Slice +
 			symx"[" * Exp/mark"index" * sym"]" +
 			symx"." * _Name/mark"dot" +
 			ColonCall,
 
+		Slice = symx"[" * Num * sym":" * Num * (sym":" * Num)^-1 *sym"]" / mark"slice",
+
 		ColonCall = symx":" * (_Name * Invoke) / mark"colon",
 		Invoke = FnArgs/mark"call" +
 			SingleString / wrap_func_arg +
diff --git a/moonscript/util.lua b/moonscript/util.lua
index 3e6db7a..380a7fd 100644
--- a/moonscript/util.lua
+++ b/moonscript/util.lua
@@ -18,6 +18,20 @@ function map(tbl, fn)
 	return out
 end
 
+function every(tbl, fn)
+	for i=1,#tbl do
+		local pass
+		if fn then
+			pass = fn(tbl[i])
+		else
+			pass = tbl[i]
+		end
+
+		if not pass then return false end
+	end
+	return true
+end
+
 function bind(obj, name)
 	return function(...)
 		return obj[name](obj, ...)