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LibJS: Add StringPrototype and make it the prototype of StringObject

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This patch adds String.prototype.charAt() to demonstrate that prototype
property lookup works, and that you can call a prototype function on an
object, and it will do what you expect. :^)
This commit is contained in:
Andreas Kling
2020-03-15 15:02:49 +01:00
parent f7c15d00c9
commit 2c5b9fb8f9
6 changed files with 109 additions and 0 deletions
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3
Libraries/LibJS/StringObject.cpp
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@@ -24,8 +24,10 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibJS/Heap.h>
#include <LibJS/PrimitiveString.h>
#include <LibJS/StringObject.h>
#include <LibJS/StringPrototype.h>
#include <LibJS/Value.h>
namespace JS {
@@ -33,6 +35,7 @@ namespace JS {
StringObject::StringObject(PrimitiveString* string)
: m_string(string)
{
set_prototype(heap().allocate<StringPrototype>());
put("length", Value(static_cast<i32>(m_string->string().length())));
}