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| author | Matthew Olsson <matthewcolsson@gmail.com> | 2020-05-21 11:14:23 -0700 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-05-21 22:56:18 +0200 |
| commit | 45dfa094e9ab88c4af833674e85a93b704c79988 (patch) | |
| tree | 8ec3962e3336559a099ed18559cc6eb1efbd1755 /Libraries/LibJS/Runtime/Value.cpp | |
| parent | a4d04cc74831e83775b2c4542c270a324b6cb24c (diff) | |
| download | serenity-45dfa094e9ab88c4af833674e85a93b704c79988.zip | |
LibJS: Add getter/setter support
This patch adds a GetterSetterPair object. Values can now store pointers
to objects of this type. These objects are created when using
Object.defineProperty and providing an accessor descriptor.
Diffstat (limited to 'Libraries/LibJS/Runtime/Value.cpp')
| -rw-r--r-- | Libraries/LibJS/Runtime/Value.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Libraries/LibJS/Runtime/Value.cpp b/Libraries/LibJS/Runtime/Value.cpp index 7c19e5529b..dc45ea589b 100644 --- a/Libraries/LibJS/Runtime/Value.cpp +++ b/Libraries/LibJS/Runtime/Value.cpp @@ -29,6 +29,7 @@ #include <AK/StringBuilder.h> #include <LibJS/Heap/Heap.h> #include <LibJS/Interpreter.h> +#include <LibJS/Runtime/Accessor.h> #include <LibJS/Runtime/Array.h> #include <LibJS/Runtime/BooleanObject.h> #include <LibJS/Runtime/Error.h> @@ -63,6 +64,12 @@ Function& Value::as_function() return static_cast<Function&>(as_object()); } +Accessor& Value::as_accessor() +{ + ASSERT(is_accessor()); + return static_cast<Accessor&>(*m_value.as_accessor); +} + String Value::to_string_without_side_effects() const { if (is_boolean()) @@ -92,6 +99,9 @@ String Value::to_string_without_side_effects() const if (is_symbol()) return as_symbol().to_string(); + if (is_accessor()) + return "<accessor>"; + ASSERT(is_object()); return String::format("[object %s]", as_object().class_name()); } @@ -205,6 +215,7 @@ Value Value::to_number(Interpreter& interpreter) const { switch (m_type) { case Type::Empty: + case Type::Accessor: ASSERT_NOT_REACHED(); return {}; case Type::Undefined: |