- Qt 5.15
- Qt WebEngine
- Qt WebEngine Licensing
- V8 JavaScript Engine
- Qt 5.15.19 Reference Documentation

# V8 JavaScript Engine

Project Homepage

     This license applies to all parts of V8 that are not externally
     maintained libraries.  The externally maintained libraries used by V8
     are:

       - PCRE test suite, located in
         test/mjsunit/third_party/regexp-pcre/regexp-pcre.js.  This is based on the
         test suite from PCRE-7.3, which is copyrighted by the University
         of Cambridge and Google, Inc.  The copyright notice and license
         are embedded in regexp-pcre.js.

       - Layout tests, located in test/mjsunit/third_party/object-keys.  These are
         based on layout tests from webkit.org which are copyrighted by
         Apple Computer, Inc. and released under a 3-clause BSD license.

       - Strongtalk assembler, the basis of the files assembler-arm-inl.h,
         assembler-arm.cc, assembler-arm.h, assembler-ia32-inl.h,
         assembler-ia32.cc, assembler-ia32.h, assembler-x64-inl.h,
         assembler-x64.cc, assembler-x64.h, assembler-mips-inl.h,
         assembler-mips.cc, assembler-mips.h, assembler.cc and assembler.h.
         This code is copyrighted by Sun Microsystems Inc. and released
         under a 3-clause BSD license.

       - Valgrind client API header, located at src/third_party/valgrind/valgrind.h
         This is released under the BSD license.

       - The Wasm C/C++ API headers, located at third_party/wasm-api/wasm.{h,hh}
         This is released under the Apache license. The API&#x27;s upstream prototype
         implementation also formed the basis of V8&#x27;s implementation in
         src/wasm/c-api.cc.

     These libraries have their own licenses; we recommend you read them,
     as their terms may differ from the terms below.

     Further license information can be found in LICENSE files located in
     sub-directories.

     Copyright 2014, the V8 project authors. All rights reserved.
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions are
     met:

         * Redistributions of source code must retain the above copyright
           notice, this list of conditions and the following disclaimer.
         * 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.
         * Neither the name of Google Inc. nor the names of its
           contributors may be used to endorse or promote products derived
           from this software without specific prior written permission.

     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     &quot;AS IS&quot; 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 THE COPYRIGHT
     OWNER 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.