*

2 files changed, 25 insertions, 11 deletions

diff --git a/lua/chupacabra/repl.lua b/lua/chupacabra/repl.lua
index 990d62a..bed67c2 100644
--- a/lua/chupacabra/repl.lua
+++ b/lua/chupacabra/repl.lua
@@ -1,29 +1,43 @@
 local chupacabra = require("chupacabra")
 
--- FIXME: this is dog water and doesn't work...at all
-
+-- not a great, but a passable repl
 local function table_to_string(t)
     local str = "{"
     for i, v in ipairs(t) do
         if i > 1 then
             str = str .. ", "
         end
-        if type(v) == "table" then
-            str = str .. table_to_string(v)
-        else
-            str = str .. tostring(v)
-        end
+        str = str .. tostring(v)
     end
     str = str .. "}"
     return str
 end
 
+local stack = {}
+
+local function scratch(input)
+    local output = chupacabra.run(input, {})
+    table.insert(stack, {input = input, output = output})
+end
+
+local function print_stack()
+    for i, entry in ipairs(stack) do
+        print("   input: " .. entry.input)
+        if type(entry.output) == "table" then
+            print("  output: " .. table_to_string(entry.output))
+        else
+            print("  output: " .. tostring(entry.output))
+        end
+    end
+end
+
 while true do
     io.write("> ")
     local input = io.read()
-    if input == "exit" then
+    if input == "bye" then
         break
     end
-    local stack = chupacabra.run(" " .. input .. " ", {})
-    print("Stack: " .. table_to_string(stack))
+    scratch(input)
+    print_stack()
+    stack = {}
 end
\ No newline at end of file
diff --git a/lua/chupacabra/scratch.lua b/lua/chupacabra/scratch.lua
index 6025888..c5e0ee2 100644
--- a/lua/chupacabra/scratch.lua
+++ b/lua/chupacabra/scratch.lua
@@ -37,4 +37,4 @@ scratch("[2 4 6] 2 @..")
 scratch("1 2 3 4 5 6 7 @.. [1 2 3 0 5 6 7] @=")
 scratch("2 3 +")
 scratch("3 : + 6 =")
-print_stack()
+print_stack()
\ No newline at end of file