1 files changed, 97 insertions, 0 deletions
diff --git a/js/src/debugger/Environment.h b/js/src/debugger/Environment.h
new file mode 100644
index 0000000000..a4186e07a8
--- /dev/null
+++ b/js/src/debugger/Environment.h
@@ -0,0 +1,97 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef debugger_Environment_h
+#define debugger_Environment_h
+
+#include "mozilla/Assertions.h"  // for AssertionConditionType, MOZ_ASSERT
+#include "mozilla/Maybe.h"       // for Maybe
+
+#include "jstypes.h"            // for JS_PUBLIC_API
+#include "NamespaceImports.h"   // for Value, HandleId, HandleObject
+#include "debugger/Debugger.h"  // for Env
+#include "js/PropertySpec.h"    // for JSFunctionSpec, JSPropertySpec
+#include "js/RootingAPI.h"      // for Handle, MutableHandle
+#include "vm/NativeObject.h"    // for NativeObject
+#include "vm/Scope.h"           // for ScopeKind
+
+class JS_PUBLIC_API JSObject;
+struct JS_PUBLIC_API JSContext;
+class JSTracer;
+
+namespace js {
+
+class GlobalObject;
+
+enum class DebuggerEnvironmentType { Declarative, With, Object };
+
+class DebuggerEnvironment : public NativeObject {
+ public:
+  enum { ENV_SLOT, OWNER_SLOT, RESERVED_SLOTS };
+
+  static const JSClass class_;
+
+  static NativeObject* initClass(JSContext* cx, Handle<GlobalObject*> global,
+                                 HandleObject dbgCtor);
+  static DebuggerEnvironment* create(JSContext* cx, HandleObject proto,
+                                     HandleObject referent,
+                                     Handle<NativeObject*> debugger);
+
+  void trace(JSTracer* trc);
+
+  DebuggerEnvironmentType type() const;
+  mozilla::Maybe<ScopeKind> scopeKind() const;
+  [[nodiscard]] bool getParent(
+      JSContext* cx, MutableHandle<DebuggerEnvironment*> result) const;
+  [[nodiscard]] bool getObject(JSContext* cx,
+                               MutableHandle<DebuggerObject*> result) const;
+  [[nodiscard]] bool getCalleeScript(
+      JSContext* cx, MutableHandle<DebuggerScript*> result) const;
+  bool isDebuggee() const;
+  bool isOptimized() const;
+
+  [[nodiscard]] static bool getNames(JSContext* cx,
+                                     Handle<DebuggerEnvironment*> environment,
+                                     MutableHandleIdVector result);
+  [[nodiscard]] static bool find(JSContext* cx,
+                                 Handle<DebuggerEnvironment*> environment,
+                                 HandleId id,
+                                 MutableHandle<DebuggerEnvironment*> result);
+  [[nodiscard]] static bool getVariable(
+      JSContext* cx, Handle<DebuggerEnvironment*> environment, HandleId id,
+      MutableHandleValue result);
+  [[nodiscard]] static bool setVariable(
+      JSContext* cx, Handle<DebuggerEnvironment*> environment, HandleId id,
+      HandleValue value);
+
+  Debugger* owner() const;
+
+  Env* maybeReferent() const { return maybePtrFromReservedSlot<Env>(ENV_SLOT); }
+
+  Env* referent() const {
+    Env* env = maybeReferent();
+    MOZ_ASSERT(env);
+    return env;
+  }
+
+  void clearReferent() { clearReservedSlotGCThingAsPrivate(ENV_SLOT); }
+
+ private:
+  static const JSClassOps classOps_;
+
+  static const JSPropertySpec properties_[];
+  static const JSFunctionSpec methods_[];
+
+  bool requireDebuggee(JSContext* cx) const;
+
+  [[nodiscard]] static bool construct(JSContext* cx, unsigned argc, Value* vp);
+
+  struct CallData;
+};
+
+} /* namespace js */
+
+#endif /* debugger_Environment_h */