JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / runtime / JSStringIterator.cpp

diff --git a/runtime/JSStringIterator.cpp b/runtime/JSStringIterator.cpp
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+/*
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "JSStringIterator.h"
+
+#include "JSCJSValueInlines.h"
+#include "JSCellInlines.h"
+#include "StructureInlines.h"
+
+namespace JSC {
+
+const ClassInfo JSStringIterator::s_info = { "String Iterator", &Base::s_info, 0, CREATE_METHOD_TABLE(JSStringIterator) };
+
+void JSStringIterator::finishCreation(VM& vm, JSGlobalObject*, JSString* iteratedString)
+{
+    Base::finishCreation(vm);
+    ASSERT(inherits(info()));
+    putDirect(vm, vm.propertyNames->iteratedStringPrivateName, iteratedString);
+    putDirect(vm, vm.propertyNames->stringIteratorNextIndexPrivateName, jsNumber(0));
+}
+
+JSValue JSStringIterator::iteratedValue(ExecState* exec) const
+{
+    return getDirect(exec->vm(), exec->vm().propertyNames->iteratedStringPrivateName);
+}
+
+JSStringIterator* JSStringIterator::clone(ExecState* exec)
+{
+    VM& vm = exec->vm();
+    JSValue iteratedString = getDirect(vm, vm.propertyNames->iteratedStringPrivateName);
+    JSValue nextIndex = getDirect(vm, vm.propertyNames->stringIteratorNextIndexPrivateName);
+
+    auto clone = JSStringIterator::create(exec, exec->callee()->globalObject()->stringIteratorStructure(), asString(iteratedString));
+    clone->putDirect(vm, vm.propertyNames->stringIteratorNextIndexPrivateName, nextIndex);
+    return clone;
+}
+
+} // namespace JSC