Fix for compiler not parenthesizing method targets, fix for parser not

recognizing \ line continuation, and improvements to
upgrade tool API.

nomsu.4.peg

@@ -121,9 +121,9 @@ inline_action (Action):
 inline_arg: inline_expression / inline_block
 action (Action):
     !section_division
-    ({:target: arg :} (eol nl_nodent "..")? ws* "::" (eol nl_nodent "..")? ws*)?
-    (  (arg  ((eol nl_nodent "..")? ws* (arg / word))+)
-     / (word ((eol nl_nodent "..")? ws* (arg / word))*))
+    ({:target: arg :} ((ws* "\")? eol nl_nodent "..")? ws* "::" ((ws* "\")? eol nl_nodent "..")? ws*)?
+    (  (arg  (((ws* "\")? eol nl_nodent "..")? ws* (arg / word))+)
+     / (word (((ws* "\")? eol nl_nodent "..")? ws* (arg / word))*))
 arg: expression / inline_block / indented_block
 
 word: !number { operator_char+ / ident_char+ }

nomsu_compiler.lua

@@ -1005,7 +1005,11 @@ do
     elseif "Action" == _exp_0 then
       local nomsu = NomsuCode(tree.source)
       if tree.target then
-        nomsu:append(self:tree_to_inline_nomsu(tree.target), "::")
+        local inline_target = self:tree_to_inline_nomsu(tree.target)
+        if tree.target.type == "Action" then
+          inline_target:parenthesize()
+        end
+        nomsu:append(inline_target, "::")
       end
       for i, bit in ipairs(tree) do
         if type(bit) == "string" then

nomsu_compiler.moon

@@ -631,7 +631,10 @@ with NomsuCompiler
             when "Action"
                 nomsu = NomsuCode(tree.source)
                 if tree.target
-                    nomsu\append @tree_to_inline_nomsu(tree.target), "::"
+                    inline_target = @tree_to_inline_nomsu(tree.target)
+                    if tree.target.type == "Action"
+                        inline_target\parenthesize!
+                    nomsu\append inline_target, "::"
                 for i,bit in ipairs tree
                     if type(bit) == "string"
                         clump_words = (type(tree[i-1]) == 'string' and is_operator(bit) != is_operator(tree[i-1]))

tools/upgrade.nom

@@ -10,22 +10,29 @@ use "lib/os.nom"
 
 %args = (command line args)
 %inplace = (no)
-if (%args.1 is "-i"):
-    %inplace = (yes)
-    %args::remove index 1
-
-if (%args.1 is "-t"):
-    use "lib/consolecolor.nom"
-    %test = (yes)
-    %args::remove index 1
+%version = (Nomsu version)
+repeat:
+    if %args.1 is:
+        "-i":
+            %inplace = (yes)
+            %args::remove index 1
+        "-t":
+            use "lib/consolecolor.nom"
+            %test = (yes)
+            %args::remove index 1
+        "-V":
+            %version = %args.2
+            %args::remove index 1
+            %args::remove index 1
+        else: stop
 
 for %path in %args:
     for file %filename in %path:
         unless (%filename::matches "%.nom$"): do next %filename
         %tree = (parse (read file %filename) from %filename)
-        %uptree = (%tree upgraded)
+        %uptree = (%tree upgraded to %version)
         %text = "\
-            ..#!/usr/bin/env nomsu -V\(Nomsu version)
+            ..#!/usr/bin/env nomsu -V\%version
             \(%uptree as nomsu)"
         
         if: