Added more info to error message.

2 files changed, 2 insertions, 2 deletions

diff --git a/nomsu.lua b/nomsu.lua
index 911ac29..dfb9025 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -1007,7 +1007,7 @@ do
               break
             end
             local lua = self:tree_to_lua(tok)
-            assert(lua.expr, "Cannot use " .. tostring(tok.src) .. " as an argument, since it's not an expression.")
+            assert(lua.expr, "Cannot use " .. tostring(tok.src) .. " as an argument, since it's not an expression, it produces: " .. tostring(repr(lua)))
             insert(args, lua.expr)
             _continue_0 = true
           until true
diff --git a/nomsu.moon b/nomsu.moon
index 07f1384..dfe3c7b 100755
--- a/nomsu.moon
+++ b/nomsu.moon
@@ -677,7 +677,7 @@ class NomsuCompiler
                 for tok in *tree.value
                     if tok.type == "Word" then continue
                     lua = @tree_to_lua(tok)
-                    assert(lua.expr, "Cannot use #{tok.src} as an argument, since it's not an expression.")
+                    assert(lua.expr, "Cannot use #{tok.src} as an argument, since it's not an expression, it produces: #{repr lua}")
                     insert args, lua.expr
 
                 if metadata and metadata.arg_orders