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BizHawk
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fix passing numbers for string args in .net lua functions (old engine had this behavior, granted "bad user" if they relied on this), add appropriate test 

fix passing sbyte/char as args, add appropriate tests
cleanup the lua auto unlock hack, using a nice ref struct + dispose to handle it
This commit is contained in:
CasualPokePlayer 2022-12-05 23:21:23 -08:00
parent 920682688b
commit eb00019c86
5 changed files with 113 additions and 82 deletions
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Assets/dll/NLua.dll
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References/NLua.dll
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17
src/BizHawk.Client.Common/Api/Classes/GuiApi.cs
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@ -151,11 +151,22 @@ namespace BizHawk.Client.Common
}
}
public void ThisIsTheLuaAutounlockHack()
public readonly ref struct LuaAutoUnlockHack
{
UnlockSurface(DisplaySurfaceID.EmuCore);
UnlockSurface(DisplaySurfaceID.Client);
private readonly GuiApi _guiApi;
internal LuaAutoUnlockHack(GuiApi guiApi)
=> _guiApi = guiApi;
public void Dispose()
{
_guiApi.UnlockSurface(DisplaySurfaceID.EmuCore);
_guiApi.UnlockSurface(DisplaySurfaceID.Client);
}
}
public LuaAutoUnlockHack ThisIsTheLuaAutoUnlockHack()
=> new(this);
public void DrawNew(string name, bool clear)
{

44
src/BizHawk.Client.EmuHawk/tools/Lua/Win32LuaLibraries.cs
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@ -184,6 +184,8 @@ namespace BizHawk.Client.EmuHawk
public LuaFunctionList RegisteredFunctions { get; }
public void CallSaveStateEvent(string name)
{
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
try
{
@ -191,16 +193,17 @@ namespace BizHawk.Client.EmuHawk
{
lf.Call(name);
}
GuiAPI.ThisIsTheLuaAutounlockHack();
}
catch (Exception e)
{
GuiAPI.ThisIsTheLuaAutounlockHack();
LogToLuaConsole($"error running function attached by lua function event.onsavestate\nError message: {e.Message}");
}
}
}
public void CallLoadStateEvent(string name)
{
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
try
{
@ -208,52 +211,57 @@ namespace BizHawk.Client.EmuHawk
{
lf.Call(name);
}
GuiAPI.ThisIsTheLuaAutounlockHack();
}
catch (Exception e)
{
GuiAPI.ThisIsTheLuaAutounlockHack();
LogToLuaConsole($"error running function attached by lua function event.onloadstate\nError message: {e.Message}");
}
}
}
public void CallFrameBeforeEvent()
{
if (IsUpdateSupressed) return;
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
try
{
foreach (var lf in RegisteredFunctions.Where(static l => l.Event == NamedLuaFunction.EVENT_TYPE_PREFRAME).ToList())
{
lf.Call();
}
GuiAPI.ThisIsTheLuaAutounlockHack();
}
catch (Exception e)
{
GuiAPI.ThisIsTheLuaAutounlockHack();
LogToLuaConsole($"error running function attached by lua function event.onframestart\nError message: {e.Message}");
}
}
}
public void CallFrameAfterEvent()
{
if (IsUpdateSupressed) return;
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
try
{
foreach (var lf in RegisteredFunctions.Where(static l => l.Event == NamedLuaFunction.EVENT_TYPE_POSTFRAME).ToList())
{
lf.Call();
}
GuiAPI.ThisIsTheLuaAutounlockHack();
}
catch (Exception e)
{
GuiAPI.ThisIsTheLuaAutounlockHack();
LogToLuaConsole($"error running function attached by lua function event.onframeend\nError message: {e.Message}");
}
}
}
public void CallExitEvent(LuaFile lf)
{
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
foreach (var exitCallback in RegisteredFunctions
.Where(l => l.Event == NamedLuaFunction.EVENT_TYPE_ENGINESTOP
@ -262,7 +270,7 @@ namespace BizHawk.Client.EmuHawk
{
exitCallback.Call();
}
GuiAPI.ThisIsTheLuaAutounlockHack();
}
}
public void Close()
@ -318,6 +326,8 @@ namespace BizHawk.Client.EmuHawk
=> _lua.DoString(command);
public (bool WaitForFrame, bool Terminated) ResumeScript(LuaFile lf)
{
using (GuiAPI.ThisIsTheLuaAutoUnlockHack())
{
_currThread = lf.Thread;
@ -326,26 +336,24 @@ namespace BizHawk.Client.EmuHawk
LuaLibraryBase.SetCurrentThread(lf);
var execResult = _currThread.Resume();
GuiAPI.ThisIsTheLuaAutounlockHack();
_currThread = null;
var result = execResult == KeraLua.LuaStatus.OK
? (WaitForFrame: false, Terminated: true) // terminated
: (WaitForFrame: FrameAdvanceRequested, Terminated: false); // yielded
var result = execResult switch
{
KeraLua.LuaStatus.OK => (WaitForFrame: false, Terminated: true),
KeraLua.LuaStatus.Yield => (WaitForFrame: FrameAdvanceRequested, Terminated: false),
_ => throw new InvalidOperationException($"{nameof(_currThread.Resume)}() returned {execResult}?")
};
FrameAdvanceRequested = false;
return result;
}
catch (Exception)
{
GuiAPI.ThisIsTheLuaAutounlockHack();
throw;
}
finally
{
LuaLibraryBase.ClearCurrentThread();
}
}
}
public static void Print(params object[] outputs)
{

42
src/BizHawk.Tests/Client.Common/lua/LuaTests.cs
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@ -591,7 +591,9 @@ namespace BizHawk.Tests.Client.Common.Lua
public void Net_Return_Char()
{
ReturnValue = 'a';
Assert.IsTrue((bool)LuaInstance.DoString($"return return_char() == {(byte)'a'}")[0]);
Assert.IsTrue((bool)LuaInstance.DoString($"return return_char() == {(ushort)'a'}")[0]);
ReturnValue = 'こ';
Assert.IsTrue((bool)LuaInstance.DoString($"return return_char() == {(ushort)'こ'}")[0]);
}
[TestMethod]
@ -612,7 +614,7 @@ namespace BizHawk.Tests.Client.Common.Lua
public void Net_Return_Color()
{
ReturnValue = ExpectedValue = Color.Aqua;
LuaInstance.DoString("return pass_color(return_color())");
LuaInstance.DoString("pass_color(return_color())");
}
[TestMethod]
@ -679,16 +681,14 @@ namespace BizHawk.Tests.Client.Common.Lua
LuaInstance.DoString("pass_bool(true)");
}
// this doesn't work for some reason
// just results in an exception due to "Invalid arguments to method call"
/*[TestMethod]
[TestMethod]
public void Net_Argument_S8()
{
ExpectedValue = (sbyte)123;
LuaInstance.DoString("pass_s8(123)");
ExpectedValue = (sbyte)-123;
LuaInstance.DoString("pass_s8(-123)");
}*/
}
[TestMethod]
public void Net_Argument_U8()
@ -772,13 +772,11 @@ namespace BizHawk.Tests.Client.Common.Lua
LuaInstance.DoString("pass_decimal(-123.0)");
}
// these don't work either, although these make a bit more sense
// these don't work, although there is reasoning behind this
// IntPtr/UIntPtr are meant as handles to "userdata"
// so raw integers result in "Invalid arguments to method call"
// not sure why char doesn't work (same exception here)
/*
[TestMethod]
/*[TestMethod]
public void Net_Argument_IntPtr()
{
ExpectedValue = (IntPtr)123;
@ -787,20 +785,21 @@ namespace BizHawk.Tests.Client.Common.Lua
LuaInstance.DoString("pass_intptr(-123)");
}*/
/*
[TestMethod]
/*[TestMethod]
public void Net_Argument_UIntPtr()
{
ExpectedValue = (UIntPtr)123;
LuaInstance.DoString("pass_uintptr(123)");
}*/
/*[TestMethod]
[TestMethod]
public void Net_Argument_Char()
{
ExpectedValue = 'a';
LuaInstance.DoString($"pass_char({(byte)'a'})");
}*/
LuaInstance.DoString($"pass_char({(ushort)'a'})");
ExpectedValue = 'こ';
LuaInstance.DoString($"pass_char({(ushort)'こ'})");
}
[TestMethod]
public void Net_Argument_String()
@ -816,6 +815,19 @@ namespace BizHawk.Tests.Client.Common.Lua
LuaInstance.DoString($"pass_string(\"こんにちは\")");
}
[TestMethod]
public void Net_Argument_String_Implicit_Number_Conversion()
{
ExpectedValue = "123";
LuaInstance.DoString("pass_string(123)");
ExpectedValue = "-123";
LuaInstance.DoString("pass_string(-123)");
ExpectedValue = "0.321";
LuaInstance.DoString("pass_string(0.321)");
ExpectedValue = "-0.321";
LuaInstance.DoString("pass_string(-0.321)");
}
[TestMethod]
public void Net_Argument_Color()
{