From 407082dd2c7e5c8fca951aeea2c95577ae066816 Mon Sep 17 00:00:00 2001
From: Gabriel Tofvesson <gabriel@tofvesson.se>
Date: Thu, 28 Nov 2024 22:41:06 +0100
Subject: [PATCH] Implement debugger hook

---
 debugger.lua | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 debugger.lua

diff --git a/debugger.lua b/debugger.lua
new file mode 100644
index 0000000..1581d7f
--- /dev/null
+++ b/debugger.lua
@@ -0,0 +1,27 @@
+local function execDebug()
+  local input = io.input()
+  local result = { pcall(input.read, input, "*l") }
+  if not result[1] then
+    return false, result[2]
+  end
+
+  local func = load("return " .. result[2])
+  if type(func) ~= "function" then
+    return false, func
+  end
+
+  return pcall(func)
+end
+
+local function debugREPL(onResult)
+  local result, retval
+  repeat
+    result, retval = execDebug()
+    if result and type(onResult) == "function" then
+      onResult(retval)
+    end
+  until not result
+  return retval
+end
+
+return { debugREPL = debugREPL, execDebug = execDebug }
\ No newline at end of file