From 855fe23439bbcf3b1cb8a8798d055cb30fb610c1 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Sat, 27 Jan 2018 16:39:56 -0800
Subject: [PATCH] Tweaked code to not rely on moonscript.

---
 nomsu.lua  | 12 +++++++++---
 nomsu.moon |  5 +++--
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/nomsu.lua b/nomsu.lua
index d2acc1a..3b5aa2f 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -1563,8 +1563,14 @@ if arg then
   err_hand = function(error_message)
     print(tostring(colored.red("ERROR:")) .. " " .. tostring(colored.bright(colored.yellow(colored.onred((error_message or ""))))))
     print("stack traceback:")
-    local to_lua
-    to_lua = require("moonscript.base").to_lua
+    local ok, to_lua = pcall(function()
+      return require('moonscript.base').to_lua
+    end)
+    if not ok then
+      to_lua = function()
+        return nil
+      end
+    end
     local nomsu_file = io.open("nomsu.moon")
     local nomsu_source = nomsu_file:read("*a")
     local _, line_table = to_lua(nomsu_source)
@@ -1611,7 +1617,7 @@ if arg then
             if calling_fn.istailcall and not name then
               name = "<tail call>"
             end
-            if calling_fn.short_src == "./nomsu.moon" then
+            if calling_fn.short_src == "./nomsu.moon" and line_table then
               local char = line_table[calling_fn.currentline]
               local line_num = 1
               for _ in nomsu_source:sub(1, char):gmatch("\n") do
diff --git a/nomsu.moon b/nomsu.moon
index e2e2f10..a42e2e9 100755
--- a/nomsu.moon
+++ b/nomsu.moon
@@ -1006,7 +1006,8 @@ if arg
 
         -- TODO: properly print out the calling site of nomsu code, not just the *called* code
 
-        import to_lua from require "moonscript.base"
+        ok, to_lua = pcall -> require('moonscript.base').to_lua
+        if not ok then to_lua = -> nil
         nomsu_file = io.open("nomsu.moon")
         nomsu_source = nomsu_file\read("*a")
         _, line_table = to_lua(nomsu_source)
@@ -1038,7 +1039,7 @@ if arg
             else
                 if calling_fn.istailcall and not name
                     name = "<tail call>"
-                if calling_fn.short_src == "./nomsu.moon"
+                if calling_fn.short_src == "./nomsu.moon" and line_table
                     char = line_table[calling_fn.currentline]
                     line_num = 1
                     for _ in nomsu_source\sub(1,char)\gmatch("\n") do line_num += 1