Toolshed Rejig (#5455)

* Toolshed Rejig

* shorten hint string

* Try fix conflicts. Ill make with work later

* bodge

* Fix ProtoIdTypeParser assert

* comment

* AllEntities

* Remove more linq from WhereCommand

* better help strings

* Add ContainsCommand

* loc strings

* Add contains command description

* Add $self variable

* Errors for writing to readonly variables

* A

Robust.Shared.Scripting/ILCommand.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Reflection.Emit;
 using ILReader;
 using ILReader.Readers;
 using Robust.Shared.Toolshed;
@@ -11,7 +10,7 @@ public sealed class ILCommand : ToolshedCommand
 {
     [CommandImplementation("dumpil")]
     public void DumpIL(
-        [CommandInvocationContext] IInvocationContext ctx,
+        IInvocationContext ctx,
         [PipedArgument] MethodInfo info
     )
     {

Robust.Shared.Scripting/ScriptGlobalsShared.cs

@@ -282,11 +282,31 @@ namespace Robust.Shared.Scripting
             return Array.Empty<IConError>();
         }
 
+        public bool HasErrors => false;
+
         public void ClearErrors()
         {
         }
 
-        public Dictionary<string, object?> Variables { get; }  = new();
+        /// <inheritdoc />
+        public object? ReadVar(string name)
+        {
+            return Variables.GetValueOrDefault(name);
+        }
+
+        /// <inheritdoc />
+        public void WriteVar(string name, object? value)
+        {
+            Variables[name] = value;
+        }
+
+        /// <inheritdoc />
+        public IEnumerable<string> GetVars()
+        {
+            return Variables.Keys;
+        }
+
+        public Dictionary<string, object?> Variables { get; } = new();
 
         private static MemberInfo? ReflectionGetInstanceMember(Type type, MemberTypes memberType, string name)
         {