From 355ca16074d77c55796f84849fbdf1721e706d8c Mon Sep 17 00:00:00 2001
From: Sour <mesenemu@gmail.com>
Date: Sun, 1 Dec 2024 15:27:46 +0900
Subject: [PATCH] Debugger: Lua - Added getCdlData API

---
 Core/Debugger/LuaApi.cpp                      | 28 +++++++++++++++++++
 Core/Debugger/LuaApi.h                        |  2 ++
 .../Documentation/LuaDocumentation.json       | 10 +++++++
 UI/Debugger/Utilities/CodeCompletionHelper.cs |  1 +
 UI/Localization/resources.en.xml              |  1 +
 5 files changed, 42 insertions(+)

diff --git a/Core/Debugger/LuaApi.cpp b/Core/Debugger/LuaApi.cpp
index 3c626b42..77568d37 100644
--- a/Core/Debugger/LuaApi.cpp
+++ b/Core/Debugger/LuaApi.cpp
@@ -6,6 +6,7 @@
 #include "Debugger/MemoryDumper.h"
 #include "Debugger/ScriptingContext.h"
 #include "Debugger/MemoryAccessCounter.h"
+#include "Debugger/CdlManager.h"
 #include "Debugger/LabelManager.h"
 #include "Shared/SystemActionManager.h"
 #include "Shared/Video/DebugHud.h"
@@ -141,6 +142,8 @@ int LuaApi::GetLibrary(lua_State *lua)
 		{ "getAccessCounters", LuaApi::GetAccessCounters },
 		{ "resetAccessCounters", LuaApi::ResetAccessCounters },
 
+		{ "getCdlData", LuaApi::GetCdlData},
+
 		{ "addCheat", LuaApi::AddCheat },
 		{ "clearCheats", LuaApi::ClearCheats },
 
@@ -949,6 +952,31 @@ int LuaApi::ResetAccessCounters(lua_State *lua)
 	return l.ReturnCount();
 }
 
+int LuaApi::GetCdlData(lua_State* lua)
+{
+	LuaCallHelper l(lua);
+	MemoryType memoryType = (MemoryType)l.ReadInteger();
+	checkEnum(MemoryType, memoryType, "Invalid memory type");
+	checkparams();
+
+	if(!_debugger->GetCdlManager()->GetCodeDataLogger(memoryType)) {
+		error("This memory type does not support CDL data (only some ROM memory types support it)");
+	}
+
+	uint32_t size = _memoryDumper->GetMemorySize(memoryType);
+	vector<uint8_t> cdlData;
+	cdlData.resize(size, {});
+	_debugger->GetCdlManager()->GetCdlData(0, size, memoryType, cdlData.data());
+
+	lua_newtable(lua);
+	for(uint32_t i = 0; i < size; i++) {
+		lua_pushinteger(lua, cdlData[i]);
+		lua_rawseti(lua, -2, i);
+	}
+
+	return 1;
+}
+
 int LuaApi::GetScriptDataFolder(lua_State *lua)
 {
 	LuaCallHelper l(lua);
diff --git a/Core/Debugger/LuaApi.h b/Core/Debugger/LuaApi.h
index 842f3c0a..9a052abe 100644
--- a/Core/Debugger/LuaApi.h
+++ b/Core/Debugger/LuaApi.h
@@ -90,6 +90,8 @@ public:
 	static int GetAccessCounters(lua_State *lua);
 	static int ResetAccessCounters(lua_State *lua);
 
+	static int GetCdlData(lua_State* lua);
+
 private:
 	static FrameInfo InternalGetScreenSize();
 
diff --git a/UI/Debugger/Documentation/LuaDocumentation.json b/UI/Debugger/Documentation/LuaDocumentation.json
index 8cca9b67..b8f55c6d 100644
--- a/UI/Debugger/Documentation/LuaDocumentation.json
+++ b/UI/Debugger/Documentation/LuaDocumentation.json
@@ -143,6 +143,16 @@
 	],
 	"returnValue": { "type": "Array", "description": "Array of ints" }
 },
+{
+	"name": "getCdlData",
+	"category": "Miscellaneous",
+	"subcategory": "Cdl",
+	"description": "Returns the current state of the CDL (code/data log) for the specified memory type. This can only be used for (some) ROM memory types.",
+	"parameters": [
+		{ "name": "memoryType", "type": "Enum", "enumName": "memType", "description": "Memory type" }
+	],
+	"returnValue": { "type": "Array", "description": "Array of bytes" }
+},
 {
 	"name": "getDrawSurfaceSize",
 	"category": "Drawing",
diff --git a/UI/Debugger/Utilities/CodeCompletionHelper.cs b/UI/Debugger/Utilities/CodeCompletionHelper.cs
index 186b5b10..b9778a1f 100644
--- a/UI/Debugger/Utilities/CodeCompletionHelper.cs
+++ b/UI/Debugger/Utilities/CodeCompletionHelper.cs
@@ -315,6 +315,7 @@ namespace Mesen.Debugger.Utilities
 	public enum DocEntrySubcategory
 	{
 		AccessCounters,
+		Cdl,
 		Cheats,
 		SaveStates,
 		Others
diff --git a/UI/Localization/resources.en.xml b/UI/Localization/resources.en.xml
index 59ab840b..d27c5010 100644
--- a/UI/Localization/resources.en.xml
+++ b/UI/Localization/resources.en.xml
@@ -3022,6 +3022,7 @@ E
 		</Enum>
 		<Enum ID="DocEntrySubcategory">
 			<Value ID="AccessCounters">Access Counters</Value>
+			<Value ID="Cdl">Code/Data Log</Value>
 			<Value ID="Cheats">Cheats</Value>
 			<Value ID="SaveStates">Save States</Value>
 			<Value ID="Others">Others</Value>