LibJS: Drop "Record" suffix from all the *Environment record classes

"Records" in the spec are basically C++ classes, so let's drop this mouthful of a suffix.
2025-07-26 01:47:34 +00:00 · 2021-07-01 12:24:46 +02:00 · 2021-07-01 12:24:46 +02:00 · 44221756ab
commit 44221756ab
parent 56d25d7210
40 changed files with 366 additions and 366 deletions
--- a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
+++ b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Interpreter.h>
+#include <LibJS/Runtime/DeclarativeEnvironment.h>
+#include <LibJS/Runtime/Error.h>
+#include <LibJS/Runtime/FunctionObject.h>
+#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/Value.h>
+
+namespace JS {
+
+DeclarativeEnvironment::DeclarativeEnvironment()
+    : Environment(nullptr)
+{
+}
+
+DeclarativeEnvironment::DeclarativeEnvironment(Environment* parent_scope)
+    : Environment(parent_scope)
+{
+}
+
+DeclarativeEnvironment::DeclarativeEnvironment(HashMap<FlyString, Variable> variables, Environment* parent_scope)
+    : Environment(parent_scope)
+    , m_variables(move(variables))
+{
+}
+
+DeclarativeEnvironment::~DeclarativeEnvironment()
+{
+}
+
+void DeclarativeEnvironment::visit_edges(Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    for (auto& it : m_variables)
+        visitor.visit(it.value.value);
+    for (auto& it : m_bindings)
+        visitor.visit(it.value.value);
+}
+
+Optional<Variable> DeclarativeEnvironment::get_from_environment(FlyString const& name) const
+{
+    return m_variables.get(name);
+}
+
+void DeclarativeEnvironment::put_into_environment(FlyString const& name, Variable variable)
+{
+    m_variables.set(name, variable);
+}
+
+bool DeclarativeEnvironment::delete_from_environment(FlyString const& name)
+{
+    return m_variables.remove(name);
+}
+
+// 9.1.1.1.1 HasBinding ( N ), https://tc39.es/ecma262/#sec-declarative-environment-records-hasbinding-n
+bool DeclarativeEnvironment::has_binding(FlyString const& name) const
+{
+    return m_bindings.contains(name);
+}
+
+// 9.1.1.1.2 CreateMutableBinding ( N, D ), https://tc39.es/ecma262/#sec-declarative-environment-records-createmutablebinding-n-d
+void DeclarativeEnvironment::create_mutable_binding(GlobalObject&, FlyString const& name, bool can_be_deleted)
+{
+    auto result = m_bindings.set(name,
+        Binding {
+            .value = {},
+            .strict = false,
+            .mutable_ = true,
+            .can_be_deleted = can_be_deleted,
+            .initialized = false,
+        });
+    VERIFY(result == AK::HashSetResult::InsertedNewEntry);
+}
+
+// 9.1.1.1.3 CreateImmutableBinding ( N, S ), https://tc39.es/ecma262/#sec-declarative-environment-records-createimmutablebinding-n-s
+void DeclarativeEnvironment::create_immutable_binding(GlobalObject&, FlyString const& name, bool strict)
+{
+    auto result = m_bindings.set(name,
+        Binding {
+            .value = {},
+            .strict = strict,
+            .mutable_ = false,
+            .can_be_deleted = false,
+            .initialized = false,
+        });
+    VERIFY(result == AK::HashSetResult::InsertedNewEntry);
+}
+
+// 9.1.1.1.4 InitializeBinding ( N, V ), https://tc39.es/ecma262/#sec-declarative-environment-records-initializebinding-n-v
+void DeclarativeEnvironment::initialize_binding(GlobalObject&, FlyString const& name, Value value)
+{
+    auto it = m_bindings.find(name);
+    VERIFY(it != m_bindings.end());
+    VERIFY(it->value.initialized == false);
+    it->value.value = value;
+    it->value.initialized = true;
+}
+
+// 9.1.1.1.5 SetMutableBinding ( N, V, S ), https://tc39.es/ecma262/#sec-declarative-environment-records-setmutablebinding-n-v-s
+void DeclarativeEnvironment::set_mutable_binding(GlobalObject& global_object, FlyString const& name, Value value, bool strict)
+{
+    auto it = m_bindings.find(name);
+    if (it == m_bindings.end()) {
+        if (strict) {
+            global_object.vm().throw_exception<ReferenceError>(global_object, ErrorType::UnknownIdentifier, name);
+            return;
+        }
+        create_mutable_binding(global_object, name, true);
+        initialize_binding(global_object, name, value);
+        return;
+    }
+
+    if (it->value.strict)
+        strict = true;
+
+    if (!it->value.initialized) {
+        global_object.vm().throw_exception<ReferenceError>(global_object, ErrorType::BindingNotInitialized, name);
+        return;
+    }
+
+    if (it->value.mutable_) {
+        it->value.value = value;
+    } else {
+        if (strict) {
+            global_object.vm().throw_exception<TypeError>(global_object, ErrorType::InvalidAssignToConst);
+        }
+    }
+}
+
+// 9.1.1.1.6 GetBindingValue ( N, S ), https://tc39.es/ecma262/#sec-declarative-environment-records-getbindingvalue-n-s
+Value DeclarativeEnvironment::get_binding_value(GlobalObject& global_object, FlyString const& name, bool)
+{
+    auto it = m_bindings.find(name);
+    VERIFY(it != m_bindings.end());
+    if (!it->value.initialized) {
+        global_object.vm().throw_exception<ReferenceError>(global_object, ErrorType::BindingNotInitialized, name);
+        return {};
+    }
+    return it->value.value;
+}
+
+// 9.1.1.1.7 DeleteBinding ( N ), https://tc39.es/ecma262/#sec-declarative-environment-records-deletebinding-n
+bool DeclarativeEnvironment::delete_binding(GlobalObject&, FlyString const& name)
+{
+    auto it = m_bindings.find(name);
+    VERIFY(it != m_bindings.end());
+    if (!it->value.can_be_deleted)
+        return false;
+    m_bindings.remove(it);
+    return true;
+}
+
+}