LibJS: Remove a bunch of unnecessary uses of Cell::interpreter()

We'll want to get rid of all uses of this, to free up the engine from
the old assumption that there's always an Interpreter available.

Libraries/LibJS/Runtime/Array.cpp

@@ -25,7 +25,6 @@
  */
 
 #include <AK/Function.h>
-#include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/ArrayPrototype.h>
 #include <LibJS/Runtime/Error.h>
@@ -35,8 +34,7 @@ namespace JS {
 
 Array* Array::create(GlobalObject& global_object)
 {
-    auto& interpreter = global_object.interpreter();
-    return interpreter.heap().allocate<Array>(global_object, *global_object.array_prototype());
+    return global_object.heap().allocate<Array>(global_object, *global_object.array_prototype());
 }
 
 Array::Array(Object& prototype)

Libraries/LibJS/Runtime/BooleanObject.cpp

@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/BooleanObject.h>
 #include <LibJS/Runtime/GlobalObject.h>
 
@@ -32,8 +31,7 @@ namespace JS {
 
 BooleanObject* BooleanObject::create(GlobalObject& global_object, bool value)
 {
-    auto& interpreter = global_object.interpreter();
-    return interpreter.heap().allocate<BooleanObject>(global_object, value, *global_object.boolean_prototype());
+    return global_object.heap().allocate<BooleanObject>(global_object, value, *global_object.boolean_prototype());
 }
 
 BooleanObject::BooleanObject(bool value, Object& prototype)

Libraries/LibJS/Runtime/Error.cpp

@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/GlobalObject.h>
 
@@ -32,8 +31,7 @@ namespace JS {
 
 Error* Error::create(GlobalObject& global_object, const FlyString& name, const String& message)
 {
-    auto& interpreter = global_object.interpreter();
-    return interpreter.heap().allocate<Error>(global_object, name, message, *global_object.error_prototype());
+    return global_object.heap().allocate<Error>(global_object, name, message, *global_object.error_prototype());
 }
 
 Error::Error(const FlyString& name, const String& message, Object& prototype)

Libraries/LibJS/Runtime/Function.cpp

@@ -67,14 +67,14 @@ BoundFunction* Function::bind(Value bound_this_value, Vector<Value> arguments)
 
     i32 computed_length = 0;
     auto length_property = get("length");
-    if (interpreter().exception())
+    if (vm().exception())
         return nullptr;
     if (length_property.is_number())
         computed_length = max(0, length_property.as_i32() - static_cast<i32>(arguments.size()));
 
     Object* constructor_prototype = nullptr;
     auto prototype_property = target_function.get("prototype");
-    if (interpreter().exception())
+    if (vm().exception())
         return nullptr;
     if (prototype_property.is_object())
         constructor_prototype = &prototype_property.as_object();
@@ -82,7 +82,7 @@ BoundFunction* Function::bind(Value bound_this_value, Vector<Value> arguments)
     auto all_bound_arguments = bound_arguments();
     all_bound_arguments.append(move(arguments));
 
-    return interpreter().heap().allocate<BoundFunction>(global_object(), global_object(), target_function, bound_this_object, move(all_bound_arguments), computed_length, constructor_prototype);
+    return heap().allocate<BoundFunction>(global_object(), global_object(), target_function, bound_this_object, move(all_bound_arguments), computed_length, constructor_prototype);
 }
 
 void Function::visit_children(Visitor& visitor)

Libraries/LibJS/Runtime/LexicalEnvironment.cpp

@@ -118,7 +118,7 @@ Value LexicalEnvironment::get_this_binding() const
 {
     ASSERT(has_this_binding());
     if (this_binding_status() == ThisBindingStatus::Uninitialized) {
-        interpreter().vm().throw_exception<ReferenceError>(interpreter().global_object(), ErrorType::ThisHasNotBeenInitialized);
+        vm().throw_exception<ReferenceError>(interpreter().global_object(), ErrorType::ThisHasNotBeenInitialized);
         return {};
     }
     return m_this_value;
@@ -128,7 +128,7 @@ void LexicalEnvironment::bind_this_value(Value this_value)
 {
     ASSERT(has_this_binding());
     if (m_this_binding_status == ThisBindingStatus::Initialized) {
-        interpreter().vm().throw_exception<ReferenceError>(interpreter().global_object(), ErrorType::ThisIsAlreadyInitialized);
+        vm().throw_exception<ReferenceError>(interpreter().global_object(), ErrorType::ThisIsAlreadyInitialized);
         return;
     }
     m_this_value = this_value;

Libraries/LibJS/Runtime/NativeFunction.cpp

@@ -70,7 +70,7 @@ Value NativeFunction::construct(Function&)
 
 LexicalEnvironment* NativeFunction::create_environment()
 {
-    return interpreter().heap().allocate<LexicalEnvironment>(global_object(), LexicalEnvironment::EnvironmentRecordType::Function);
+    return heap().allocate<LexicalEnvironment>(global_object(), LexicalEnvironment::EnvironmentRecordType::Function);
 }
 
 }

Libraries/LibJS/Runtime/Object.cpp

@@ -547,7 +547,7 @@ bool Object::put_own_property_by_index(Object& this_object, u32 property_index,
         dbg() << "Disallow define_property of non-extensible object";
 #endif
         if (throw_exceptions && interpreter().in_strict_mode())
-            interpreter().vm().throw_exception<TypeError>(global_object(), ErrorType::NonExtensibleDefine, property_index);
+            vm().throw_exception<TypeError>(global_object(), ErrorType::NonExtensibleDefine, property_index);
         return false;
     }
 
@@ -566,7 +566,7 @@ bool Object::put_own_property_by_index(Object& this_object, u32 property_index,
         dbg() << "Disallow reconfig of non-configurable property";
 #endif
         if (throw_exceptions)
-            interpreter().vm().throw_exception<TypeError>(global_object(), ErrorType::DescChangeNonConfigurable, property_index);
+            vm().throw_exception<TypeError>(global_object(), ErrorType::DescChangeNonConfigurable, property_index);
         return false;
     }
 

Libraries/LibJS/Runtime/ScriptFunction.cpp

@@ -53,7 +53,7 @@ ScriptFunction* ScriptFunction::create(GlobalObject& global_object, const FlyStr
 }
 
 ScriptFunction::ScriptFunction(GlobalObject& global_object, const FlyString& name, const Statement& body, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, LexicalEnvironment* parent_environment, Object& prototype, bool is_arrow_function)
-    : Function(prototype, is_arrow_function ? interpreter().this_value(global_object) : Value(), {})
+    : Function(prototype, is_arrow_function ? vm().this_value(global_object) : Value(), {})
     , m_name(name)
     , m_body(body)
     , m_parameters(move(parameters))

Libraries/LibJS/Runtime/Uint8ClampedArray.cpp

@@ -25,7 +25,6 @@
  */
 
 #include <AK/Function.h>
-#include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Uint8ClampedArray.h>
@@ -34,8 +33,7 @@ namespace JS {
 
 Uint8ClampedArray* Uint8ClampedArray::create(GlobalObject& global_object, u32 length)
 {
-    auto& interpreter = global_object.interpreter();
-    return interpreter.heap().allocate<Uint8ClampedArray>(global_object, length, *global_object.array_prototype());
+    return global_object.heap().allocate<Uint8ClampedArray>(global_object, length, *global_object.array_prototype());
 }
 
 Uint8ClampedArray::Uint8ClampedArray(u32 length, Object& prototype)