Revert "Remove deprecated VimScriptGlobalEnvironment.java"

This reverts commit 5c64ebf.

src/main/java/com/maddyhome/idea/vim/ex/vimscript/VimScriptGlobalEnvironment.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2003-2023 The IdeaVim authors
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE.txt file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package com.maddyhome.idea.vim.ex.vimscript;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author vlan
+ */
+
+@Deprecated() // please use VariableService instead
+@ApiStatus.ScheduledForRemoval(inVersion = "1.12")
+public class VimScriptGlobalEnvironment {
+  private static final VimScriptGlobalEnvironment ourInstance = new VimScriptGlobalEnvironment();
+
+  private final Map<String, Object> myVariables = new HashMap<>();
+
+  private VimScriptGlobalEnvironment() {
+  }
+
+  public static @NotNull VimScriptGlobalEnvironment getInstance() {
+    return ourInstance;
+  }
+
+  public @NotNull Map<String, Object> getVariables() {
+    return myVariables;
+  }
+}

src/main/java/com/maddyhome/idea/vim/vimscript/services/IjVariableService.kt

@@ -12,12 +12,48 @@ import com.intellij.openapi.components.PersistentStateComponent
 import com.intellij.openapi.components.RoamingType
 import com.intellij.openapi.components.State
 import com.intellij.openapi.components.Storage
+import com.maddyhome.idea.vim.api.ExecutionContext
+import com.maddyhome.idea.vim.api.VimEditor
+import com.maddyhome.idea.vim.ex.vimscript.VimScriptGlobalEnvironment
+import com.maddyhome.idea.vim.vimscript.model.VimLContext
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimBlob
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimDataType
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimDictionary
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimFloat
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimFuncref
 import com.maddyhome.idea.vim.vimscript.model.datatypes.VimInt
+import com.maddyhome.idea.vim.vimscript.model.datatypes.VimList
 import com.maddyhome.idea.vim.vimscript.model.datatypes.VimString
+import com.maddyhome.idea.vim.vimscript.model.expressions.Scope
+import com.maddyhome.idea.vim.vimscript.model.expressions.Variable
 import org.jdom.Element
 
 @State(name = "VimVariables", storages = [Storage(value = "\$APP_CONFIG$/vim_settings_local.xml", roamingType = RoamingType.DISABLED)])
 internal class IjVariableService : VimVariableServiceBase(), PersistentStateComponent<Element?> {
+  override fun storeVariable(variable: Variable, value: VimDataType, editor: VimEditor, context: ExecutionContext, vimContext: VimLContext) {
+    super.storeVariable(variable, value, editor, context, vimContext)
+
+    val scope = variable.scope ?: getDefaultVariableScope(vimContext)
+    if (scope == Scope.GLOBAL_VARIABLE) {
+      val scopeForGlobalEnvironment = variable.scope?.toString() ?: ""
+      VimScriptGlobalEnvironment.getInstance()
+        .variables[scopeForGlobalEnvironment + variable.name.evaluate(editor, context, vimContext)] = value.simplify()
+    }
+  }
+
+  private fun VimDataType.simplify(): Any {
+    return when (this) {
+      is VimString -> this.value
+      is VimInt -> this.value
+      is VimFloat -> this.value
+      is VimList -> this.values
+      is VimDictionary -> this.dictionary
+      is VimBlob -> "blob"
+      is VimFuncref -> "funcref"
+      else -> error("Unexpected")
+    }
+  }
+
   override fun getState(): Element {
     val element = Element("variables")
     saveData(element)

src/test/java/org/jetbrains/plugins/ideavim/ex/implementation/commands/LetCommandTest.kt

@@ -10,6 +10,7 @@ package org.jetbrains.plugins.ideavim.ex.implementation.commands
 
 import com.maddyhome.idea.vim.api.Options
 import com.maddyhome.idea.vim.api.injector
+import com.maddyhome.idea.vim.ex.vimscript.VimScriptGlobalEnvironment
 import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.options.OptionAccessScope
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
@@ -221,6 +222,7 @@ class LetCommandTest : VimTestCase() {
     configureByText("\n")
     enterCommand("let g:WhichKey_ShowVimActions = \"true\"")
     assertCommandOutput("echo g:WhichKey_ShowVimActions", "true\n")
+    assertEquals("true", VimScriptGlobalEnvironment.getInstance().variables["g:WhichKey_ShowVimActions"])
   }
 
   @Test