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some early work on Reflection Inspector

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sinaioutlander
2020-11-09 21:38:25 +11:00
parent 5e761e2379
commit 6766a8cf4c
26 changed files with 1178 additions and 929 deletions
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198
src/Inspectors/Reflection/CacheObject/CacheMethod.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using UnityEngine;
using UnityExplorer.UI.Shared;
using UnityExplorer.Helpers;
namespace UnityExplorer.Inspectors.Reflection
{
public class CacheMethod : CacheMember
{
private CacheObjectBase m_cachedReturnValue;
public override bool HasParameters => base.HasParameters || GenericArgs.Length > 0;
public override bool IsStatic => (MemInfo as MethodInfo).IsStatic;
public Type[] GenericArgs { get; private set; }
public Type[][] GenericConstraints { get; private set; }
public string[] GenericArgInput = new string[0];
public CacheMethod(MethodInfo methodInfo, object declaringInstance) : base(methodInfo, declaringInstance)
{
GenericArgs = methodInfo.GetGenericArguments();
GenericConstraints = GenericArgs.Select(x => x.GetGenericParameterConstraints())
.ToArray();
GenericArgInput = new string[GenericArgs.Length];
m_arguments = methodInfo.GetParameters();
m_argumentInput = new string[m_arguments.Length];
base.InitValue(null, methodInfo.ReturnType);
}
public override void UpdateValue()
{
// CacheMethod cannot UpdateValue directly. Need to Evaluate.
}
public void Evaluate()
{
MethodInfo mi;
if (GenericArgs.Length > 0)
{
mi = MakeGenericMethodFromInput();
if (mi == null) return;
}
else
{
mi = MemInfo as MethodInfo;
}
object ret = null;
try
{
ret = mi.Invoke(mi.IsStatic ? null : DeclaringInstance, ParseArguments());
m_evaluated = true;
m_isEvaluating = false;
}
catch (Exception e)
{
ExplorerCore.LogWarning($"Exception evaluating: {e.GetType()}, {e.Message}");
ReflectionException = ReflectionHelpers.ExceptionToString(e);
}
if (ret != null)
{
//m_cachedReturnValue = CacheFactory.GetTypeAndCacheObject(ret);
//m_cachedReturnValue = CacheFactory.GetCacheObject(ret);
m_cachedReturnValue.UpdateValue();
}
else
{
m_cachedReturnValue = null;
}
}
private MethodInfo MakeGenericMethodFromInput()
{
var mi = MemInfo as MethodInfo;
var list = new List<Type>();
for (int i = 0; i < GenericArgs.Length; i++)
{
var input = GenericArgInput[i];
if (ReflectionHelpers.GetTypeByName(input) is Type t)
{
if (GenericConstraints[i].Length == 0)
{
list.Add(t);
}
else
{
foreach (var constraint in GenericConstraints[i].Where(x => x != null))
{
if (!constraint.IsAssignableFrom(t))
{
ExplorerCore.LogWarning($"Generic argument #{i}, '{input}' is not assignable from the constraint '{constraint}'!");
return null;
}
}
list.Add(t);
}
}
else
{
ExplorerCore.LogWarning($"Generic argument #{i}, could not get any type by the name of '{input}'!" +
$" Make sure you use the full name, including the NameSpace.");
return null;
}
}
// make into a generic with type list
mi = mi.MakeGenericMethod(list.ToArray());
return mi;
}
// ==== GUI DRAW ====
//public override void Draw(Rect window, float width)
//{
// base.Draw(window, width);
//}
public void DrawValue(Rect window, float width)
{
string typeLabel = $"<color={SyntaxColors.Class_Instance}>{IValue.ValueType.FullName}</color>";
if (m_evaluated)
{
if (m_cachedReturnValue != null)
{
//m_cachedReturnValue.IValue.DrawValue(window, width);
}
else
{
GUILayout.Label($"null ({typeLabel})", new GUILayoutOption[0]);
}
}
else
{
GUILayout.Label($"<color=grey><i>Not yet evaluated</i></color> ({typeLabel})", new GUILayoutOption[0]);
}
}
//public void DrawGenericArgsInput()
//{
// GUILayout.Label($"<b><color=orange>Generic Arguments:</color></b>", new GUILayoutOption[0]);
// for (int i = 0; i < this.GenericArgs.Length; i++)
// {
// string types = "";
// if (this.GenericConstraints[i].Length > 0)
// {
// foreach (var constraint in this.GenericConstraints[i])
// {
// if (types != "") types += ", ";
// string type;
// if (constraint == null)
// type = "Any";
// else
// type = constraint.ToString();
// types += $"<color={Syntax.Class_Instance}>{type}</color>";
// }
// }
// else
// {
// types = $"<color={Syntax.Class_Instance}>Any</color>";
// }
// var input = this.GenericArgInput[i];
// GUIHelper.BeginHorizontal(new GUILayoutOption[0]);
// GUI.skin.label.alignment = TextAnchor.MiddleCenter;
// GUILayout.Label(
// $"<color={Syntax.StructGreen}>{this.GenericArgs[i].Name}</color>",
// new GUILayoutOption[] { GUILayout.Width(15) }
// );
// this.GenericArgInput[i] = GUIHelper.TextField(input, new GUILayoutOption[] { GUILayout.Width(150) });
// GUI.skin.label.alignment = TextAnchor.MiddleLeft;
// GUILayout.Label(types, new GUILayoutOption[0]);
// GUILayout.EndHorizontal();
// }
//}
}
}