From 5888b0e8462cd08f69e4be9a9e83d029557c8d78 Mon Sep 17 00:00:00 2001
From: David Wursteisen <david.wursteisen+git@gmail.com>
Date: Wed, 20 Mar 2024 23:45:37 +0100
Subject: [PATCH] Bug fixes - ws.list not filtered correctly - debug.log
 crashing with table - new() not doing a deep copy of elements.

---
 .../com/github/minigdx/tiny/lua/DebugLib.kt   | 40 +++++++++----------
 .../com/github/minigdx/tiny/lua/StdLib.kt     | 26 ++++++++----
 .../github/minigdx/tiny/lua/WorkspaceLib.kt   |  2 +-
 3 files changed, 38 insertions(+), 30 deletions(-)

diff --git a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/DebugLib.kt b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/DebugLib.kt
index 80aea156..9efbf71a 100644
--- a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/DebugLib.kt
+++ b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/DebugLib.kt
@@ -189,12 +189,30 @@ class DebugLib(private val resourceAccess: GameResourceAccess) : TwoArgFunction(
         }
     }
 
+    private fun formatValue(arg: LuaValue, recursiveSecurity: MutableSet<Int> = mutableSetOf()): String = if (arg.istable()) {
+        val table = arg as LuaTable
+        if (recursiveSecurity.contains(table.hashCode())) {
+            "table[<${table.hashCode()}>]"
+        } else {
+            recursiveSecurity.add(table.hashCode())
+            val keys = table.keys()
+            val str = keys.joinToString(" ") {
+                it.optjstring("nil") + ":" + formatValue(table[it], recursiveSecurity)
+            }
+            "table[$str]"
+        }
+    } else if (arg.isfunction()) {
+        "function(" + (0 until arg.narg()).joinToString(", ") { "arg" } + ")"
+    } else {
+        arg.toString()
+    }
+
     @TinyFunction("Log a message on the screen.", example = DEBUG_EXAMPLE)
     internal inner class log : TwoArgFunction() {
 
         @TinyCall("Log a message on the screen.")
         override fun call(@TinyArg("str") arg1: LuaValue, @TinyArg("color") arg2: LuaValue): LuaValue {
-            val message = arg1.optjstring("")!!
+            val message = formatValue(arg1)
             val color = arg2.optjstring("#32CD32")!!
             resourceAccess.debug(DebugMessage(message, color))
             return NIL
@@ -207,32 +225,12 @@ class DebugLib(private val resourceAccess: GameResourceAccess) : TwoArgFunction(
     @TinyFunction("Log a message into the console.", example = DEBUG_EXAMPLE)
     internal inner class console : OneArgFunction() {
 
-        private val recursiveSecurity = mutableSetOf<Int>()
-
         @TinyCall("Log a message into the console.")
         override fun call(@TinyArg("str") arg: LuaValue): LuaValue {
             val str = formatValue(arg)
-            recursiveSecurity.clear()
             println("\uD83D\uDC1B $str")
             return NIL
         }
-
-        private fun formatValue(arg: LuaValue): String = if (arg.istable()) {
-            val table = arg as LuaTable
-            if (recursiveSecurity.contains(table.hashCode())) {
-                "table[<${table.hashCode()}>]"
-            } else {
-                recursiveSecurity.add(table.hashCode())
-                val keys = table.keys()
-                val str = keys.map { it.optjstring("nil") + ":" + formatValue(table.get(it)) }
-                    .joinToString(" ")
-                "table[$str]"
-            }
-        } else if (arg.isfunction()) {
-            "function(" + (0 until arg.narg()).map { "arg" }.joinToString(", ") + ")"
-        } else {
-            arg.toString()
-        }
     }
 
     @TinyFunction("Draw a rectangle on the screen", example = DEBUG_ENABLED_EXAMPLE)
diff --git a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/StdLib.kt b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/StdLib.kt
index b9891517..c7cced77 100644
--- a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/StdLib.kt
+++ b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/StdLib.kt
@@ -46,19 +46,29 @@ class StdLib(
         @TinyCall("Create new instance of class using default values.")
         override fun call(@TinyArg("class") arg1: LuaValue, @TinyArg("default") arg2: LuaValue): LuaValue {
             val default = if (arg2.istable()) {
-                val result = LuaTable()
-                val toCopy = arg2.checktable()!!
-                toCopy.keys().forEach { key ->
-                    result.set(key, toCopy.get(key))
-                }
-                result
+                arg2.checktable()!!.deepCopy()
             } else {
                 LuaTable()
             }
-            default.setmetatable(arg1)
-            arg1.rawset("__index", arg1)
+            val reference = arg1.checktable()!!.deepCopy()
+            default.setmetatable(reference)
+            reference.rawset("__index", reference)
             return default
         }
+
+        private fun LuaTable.deepCopy(): LuaTable {
+            val result = LuaTable()
+            this.keys().forEach { key ->
+                var value = this[key]
+                value = if(value.istable()) {
+                    value.checktable()!!.deepCopy()
+                } else {
+                    value
+                }
+                result[key] = value
+            }
+            return result
+        }
     }
 
     @TinyFunction(
diff --git a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/WorkspaceLib.kt b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/WorkspaceLib.kt
index 8f7171c3..434583c5 100644
--- a/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/WorkspaceLib.kt
+++ b/tiny-engine/src/commonMain/kotlin/com/github/minigdx/tiny/lua/WorkspaceLib.kt
@@ -107,7 +107,7 @@ class WorkspaceLib(
             val ext = arg.optjstring(null).let { it?.lowercase() }
             val result = LuaTable()
             resources.forEach {
-                if ((ext == null || it.name.endsWith(ext))) {
+                if ((ext == null || it.extension.endsWith(ext))) {
                     result.insert(0, valueOf(it.name))
                 }
             }