let newlines break arguments in fn call with parens

Author: leafo

moonscript/parse.lua

@@ -165,7 +165,7 @@ local build_grammar = wrap_env(debug_grammar, function(root)
     Callable = pos(Name / mark("ref")) + SelfName + VarArg + Parens / mark("parens"),
     Parens = sym("(") * SpaceBreak ^ 0 * Exp * SpaceBreak ^ 0 * sym(")"),
     FnArgs = symx("(") * SpaceBreak ^ 0 * Ct(FnArgsExpList ^ -1) * SpaceBreak ^ 0 * sym(")") + sym("!") * -P("=") * Ct(""),
-    FnArgsExpList = Exp * (sym(",") * White * Exp) ^ 0,
+    FnArgsExpList = Exp * ((Break + sym(",")) * White * Exp) ^ 0,
     Chain = (Callable + String + -S(".\\")) * ChainItems / mark("chain") + Space * (DotChainItem * ChainItems ^ -1 + ColonChain) / mark("chain"),
     ChainItems = ChainItem ^ 1 * ColonChain ^ -1 + ColonChain,
     ChainItem = Invoke + DotChainItem + Slice + symx("[") * Exp / mark("index") * sym("]"),

moonscript/parse.moon

@@ -228,7 +228,7 @@ build_grammar = wrap_env debug_grammar, (root) ->
     Parens: sym"(" * SpaceBreak^0 * Exp * SpaceBreak^0 * sym")"
 
     FnArgs: symx"(" * SpaceBreak^0 * Ct(FnArgsExpList^-1) * SpaceBreak^0 * sym")" + sym"!" * -P"=" * Ct""
-    FnArgsExpList: Exp * (sym"," * White * Exp)^0
+    FnArgsExpList: Exp * ((Break + sym",") * White * Exp)^0
 
     Chain: (Callable + String + -S".\\") * ChainItems / mark"chain" +
       Space * (DotChainItem * ChainItems^-1 + ColonChain) / mark"chain"

spec/inputs/funcs.moon

@@ -59,3 +59,41 @@ k -> if yes then return else return
 
 -> real_name if something
 
+--
+
+d(
+  ->
+    print "hello world"
+  10
+)
+
+
+
+d(
+  1,2,3
+  4
+  5
+  6
+
+  if something
+    print "okay"
+    10
+
+  10,20
+)
+
+
+f(
+  
+  )(
+  
+  )(
+    what
+  )(->
+    print "srue"
+  123)
+
+--
+
+
+nil

spec/outputs/funcs.lua

@@ -108,8 +108,21 @@ k(function()
     return 
   end
 end)
-return function()
+_ = function()
   if something then
     return real_name
   end
-end
+end
+d(function()
+  return print("hello world")
+end, 10)
+d(1, 2, 3, 4, 5, 6, (function()
+  if something then
+    print("okay")
+    return 10
+  end
+end)(), 10, 20)
+f()()(what)(function()
+  return print("srue")
+end, 123)
+return nil