cleanup CoreInventory.cs

This commit is contained in:
adelikat 2020-02-08 10:07:54 -06:00
parent 29cddca49a
commit 01640e8c0b
2 changed files with 72 additions and 73 deletions

View File

@ -1,10 +1,8 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using BizHawk.Emulation.Common;
using BizHawk.Emulation.DiscSystem;
namespace BizHawk.Emulation.Cores
{
@ -13,56 +11,66 @@ namespace BizHawk.Emulation.Cores
/// </summary>
public class CoreInventory
{
private readonly Dictionary<string, List<Core>> _systems = new Dictionary<string, List<Core>>();
public class Core
{
public readonly string Name;
public readonly Type Type;
public readonly ConstructorInfo CTor;
// expected names and types of the parameters
private static readonly Dictionary<string, Type> ParamTypes = new Dictionary<string, Type>();
public Core(string Name, Type Type, ConstructorInfo CTor)
// map parameter names to locations in the constructor
private readonly Dictionary<string, int> _paramMap = new Dictionary<string, int>();
static Core()
{
this.Name = Name;
this.Type = Type;
this.CTor = CTor;
var pp = typeof(Core).GetMethod("Create")?.GetParameters();
if (pp != null)
{
foreach (var p in pp)
{
ParamTypes.Add(p.Name.ToLowerInvariant(), p.ParameterType);
}
}
}
public Core(string name, Type type, ConstructorInfo ctor)
{
Name = name;
Type = type;
CTor = ctor;
var pp = CTor.GetParameters();
for (int i = 0; i < pp.Length ; i++)
{
var p = pp[i];
string pname = p.Name.ToLowerInvariant();
Type expectedtype;
if (!paramtypes.TryGetValue(pname, out expectedtype))
string pName = p.Name.ToLowerInvariant();
if (!ParamTypes.TryGetValue(pName, out _))
{
throw new InvalidOperationException($"Unexpected parameter name {p.Name} in constructor for {Type}");
}
// disabling the typecheck here doesn't really hurt anything, because the Invoke call will still catch any forbidden casts
// disabling the type check here doesn't really hurt anything, because the Invoke call will still catch any forbidden casts
// it does allow us to write "MySettingsType settings" instead of "object settings"
// if (expectedtype != p.ParameterType)
// if (expectedType != p.ParameterType)
// throw new InvalidOperationException($"Unexpected type mismatch in parameter {p.Name} in constructor for {Type}");
parammap.Add(pname, i);
_paramMap.Add(pName, i);
}
}
// map parameter names to locations in the constructor
private readonly Dictionary<string, int> parammap = new Dictionary<string, int>();
// expected names and types of the parameters
private static readonly Dictionary<string, Type> paramtypes = new Dictionary<string, Type>();
public string Name { get; }
public Type Type { get; }
public ConstructorInfo CTor { get; }
static Core()
private void Bp(object[] parameters, string name, object value)
{
var pp = typeof(Core).GetMethod("Create").GetParameters();
foreach (var p in pp)
paramtypes.Add(p.Name.ToLowerInvariant(), p.ParameterType);
}
void bp(object[] parameters, string name, object value)
{
int i;
if (parammap.TryGetValue(name, out i))
if (_paramMap.TryGetValue(name, out var i))
{
parameters[i] = value;
}
}
/// <summary>
/// instatiate an emulator core
/// Instantiate an emulator core
/// </summary>
public IEmulator Create
(
@ -72,34 +80,31 @@ namespace BizHawk.Emulation.Cores
byte[] file,
bool deterministic,
object settings,
object syncsettings
object syncSettings
)
{
object[] o = new object[parammap.Count];
bp(o, "comm", comm);
bp(o, "game", game);
bp(o, "rom", rom);
bp(o, "file", file);
bp(o, "deterministic", deterministic);
bp(o, "settings", settings);
bp(o, "syncsettings", syncsettings);
object[] o = new object[_paramMap.Count];
Bp(o, "comm", comm);
Bp(o, "game", game);
Bp(o, "rom", rom);
Bp(o, "file", file);
Bp(o, "deterministic", deterministic);
Bp(o, "settings", settings);
Bp(o, "syncsettings", syncSettings);
return (IEmulator)CTor.Invoke(o);
}
}
private readonly Dictionary<string, List<Core>> systems = new Dictionary<string, List<Core>>();
private void ProcessConstructor(Type type, string system, CoreAttribute coreattr, ConstructorInfo cons)
private void ProcessConstructor(Type type, string system, CoreAttribute coreAttr, ConstructorInfo cons)
{
Core core = new Core(coreattr.CoreName, type, cons);
List<Core> ss;
if (!systems.TryGetValue(system, out ss))
Core core = new Core(coreAttr.CoreName, type, cons);
if (!_systems.TryGetValue(system, out var ss))
{
ss = new List<Core>();
systems.Add(system, ss);
_systems.Add(system, ss);
}
ss.Add(core);
}
@ -110,48 +115,38 @@ namespace BizHawk.Emulation.Cores
{
get
{
List<Core> ss = systems[system];
List<Core> ss = _systems[system];
if (ss.Count != 1)
{
throw new InvalidOperationException("Ambiguous core selection!");
}
return ss[0];
}
}
/// <summary>
/// find a core matching a particular game.system with a particular coreattributes.name
/// find a core matching a particular game.system with a particular CoreAttributes.Name
/// </summary>
public Core this[string system, string core]
{
get
{
List<Core> ss = systems[system];
List<Core> ss = _systems[system];
foreach (Core c in ss)
{
if (c.Name == core)
{
return c;
}
}
throw new InvalidOperationException("No such core!");
}
}
/// <summary>
/// find an exact core type. slow lookup.
/// </summary>
public Core FindByType(Type type)
{
foreach (List<Core> cc in systems.Values)
{
foreach (Core c in cc)
{
if (c.Type == type)
return c;
}
}
throw new InvalidOperationException("No such core!");
}
/// <summary>
/// create a core inventory, collecting all IEmulators from some assembilies
/// create a core inventory, collecting all IEmulators from some assemblies
/// </summary>
public CoreInventory(IEnumerable<Assembly> assys)
{
@ -161,8 +156,8 @@ namespace BizHawk.Emulation.Cores
{
if (!typ.IsAbstract && typ.GetInterfaces().Contains(typeof(IEmulator)))
{
var coreattr = typ.GetCustomAttributes(typeof(CoreAttribute), false);
if (coreattr.Length != 1)
var coreAttr = typ.GetCustomAttributes(typeof(CoreAttribute), false);
if (coreAttr.Length != 1)
throw new InvalidOperationException($"{nameof(IEmulator)} {typ} without {nameof(CoreAttribute)}s!");
var cons = typ.GetConstructors(BindingFlags.Public | BindingFlags.Instance)
.Where(c => c.GetCustomAttributes(typeof(CoreConstructorAttribute), false).Length > 0);
@ -170,7 +165,7 @@ namespace BizHawk.Emulation.Cores
{
foreach (string system in ((CoreConstructorAttribute)con.GetCustomAttributes(typeof(CoreConstructorAttribute), false)[0]).Systems)
{
ProcessConstructor(typ, system, (CoreAttribute)coreattr[0], con);
ProcessConstructor(typ, system, (CoreAttribute)coreAttr[0], con);
}
}
}
@ -184,11 +179,13 @@ namespace BizHawk.Emulation.Cores
[AttributeUsage(AttributeTargets.Constructor)]
public class CoreConstructorAttribute : Attribute
{
public IEnumerable<string> Systems { get { return _systems; } }
private readonly List<string> _systems = new List<string>();
public CoreConstructorAttribute(params string[] Systems)
public CoreConstructorAttribute(params string[] systems)
{
_systems.AddRange(Systems);
_systems.AddRange(systems);
}
public IEnumerable<string> Systems => _systems;
}
}

View File

@ -187,6 +187,8 @@
<s:Boolean x:Key="/Default/UserDictionary/Words/=amstrad/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=Anaglyph/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=Arkanoid/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=assy/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=assys/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=atten/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=Attribs/@EntryIndexedValue">True</s:Boolean>
<s:Boolean x:Key="/Default/UserDictionary/Words/=Autofire/@EntryIndexedValue">True</s:Boolean>