Toolshed (#17895)

* ogh

* i should save my work

* ogh

* hhcdfhjbghshbxdfhghshc
- lots of bugs in parsing still
- invocation is a stub

* expr parsing works

* awawa

* Saving work

* Improve APIs a bit all around, add shortcuts.

* awa

* awa

* AAAAAA

* save work

* Move shit to engine

* lord

* bql is kill

* forgot the fucking bike rack

* bql is kill for real

* pjb will kill me

* aughfhbdj

* adgddf

* gdsgvfvxshngfgh

* b

* hfsjhghj

* a

* tf you mean i have to document it

* follow C# standards

* Assorted cleanup and documentation pass, minor bugfix in ValueRefParser.

* Start porting old commands, remove that pesky prefix in favor of integrating with the shell.

* bw

* Fix valueref up a bit, improve autocomplete for it.

* awa

* fix tests

* git shut up

* Arithmetic commands.

* parse improvements

* Update engine.

---------

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Server/NewCon/Commands/VisualizeCommand.cs

@@ -0,0 +1,51 @@
+using System.Linq;
+using Content.Server.Administration;
+using Content.Server.EUI;
+using Content.Shared.Administration;
+using Content.Shared.Bql;
+using Content.Shared.Eui;
+using Robust.Server.Player;
+using Robust.Shared.Toolshed;
+using Robust.Shared.Toolshed.Errors;
+
+namespace Content.Server.NewCon.Commands;
+
+[ToolshedCommand, AdminCommand(AdminFlags.Admin)]
+public sealed class VisualizeCommand : ToolshedCommand
+{
+    [Dependency] private readonly EuiManager _euiManager = default!;
+
+    [CommandImplementation]
+    public void VisualizeEntities(
+            [CommandInvocationContext] IInvocationContext ctx,
+            [PipedArgument] IEnumerable<EntityUid> input
+        )
+    {
+        if (ctx.Session is null)
+        {
+            ctx.ReportError(new NotForServerConsoleError());
+            return;
+        }
+
+        var ui = new ToolshedVisualizeEui(
+            input.Select(e => (EntName(e), e)).ToArray()
+        );
+        _euiManager.OpenEui(ui, (IPlayerSession) ctx.Session);
+        _euiManager.QueueStateUpdate(ui);
+    }
+}
+internal sealed class ToolshedVisualizeEui : BaseEui
+{
+    private readonly (string name, EntityUid entity)[] _entities;
+
+    public ToolshedVisualizeEui((string name, EntityUid entity)[] entities)
+    {
+        _entities = entities;
+    }
+
+    public override EuiStateBase GetNewState()
+    {
+        return new ToolshedVisualizeEuiState(_entities);
+    }
+}
+