standalone for in loop

moonscript/parse.lua

@@ -240,7 +240,8 @@ local build_grammar = wrap(function()
 		Block = Ct(Line * (Break^1 * Line)^0),
 		Line = Cmt(Indent, check_indent) * Statement + _Space * Comment,
 
-		Statement = (Import + While + With + For + ClassDecl + Export + BreakLoop + Ct(ExpList) / flatten_or_mark"explist" * Space) * (
+		Statement = (Import + While + With + For  + Foreach
+			+ ClassDecl + Export + BreakLoop + Ct(ExpList) / flatten_or_mark"explist" * Space) * (
 				-- statement decorators
 				key"if" * Exp * (key"else" * Exp)^-1 * Space / mark"if" +
 				CompInner / mark"comprehension"
@@ -270,6 +271,8 @@ local build_grammar = wrap(function()
 		For = key"for" * (Name * sym"=" * Ct(Exp * sym"," * Exp * (sym"," * Exp)^-1)) *
 			key"do"^-1 * Body / mark"for",
 
+		Foreach = key"for" * Ct(NameList) * key"in" * (sym"*" * Exp / mark"unpack" + Exp) * key"do"^-1 * Body / mark"foreach",
+
 		Comprehension = sym"[" * Exp * CompInner * sym"]" / mark"comprehension",
 
 		CompInner = Ct(CompFor * CompClause^0),

tests/inputs/loops.moon

@@ -14,4 +14,18 @@ for a=1,10
   for b = 2,43
     print a,b
 
+for i in iter
+  for j in yeah
+    x = 343 + i + j
+    print i, j
+
+for x in *something
+  print x
+
+for k,v in pairs hello do print k,v
+
+x = ->
+  for x in y
+    y
+
 

tests/outputs/loops.lua

@@ -15,3 +15,25 @@ for a = 1, 10 do
     print(a, b)
   end
 end
+for i in iter do
+  for j in yeah do
+    local x = 343 + i + j
+    print(i, j)
+  end
+end
+do
+  local _item_0 = something
+  for _index_0 = 1, #_item_0 do
+    local x = _item_0[_index_0]
+    print(x)
+  end
+end
+for k, v in pairs(hello) do
+  print(k, v)
+end
+local x
+x = function()
+  for x in y do
+    local _ = y
+  end
+end