Add QtV8 library to QtBase

This adds Aaron's copy of V8 to src/3rdparty/v8 (as a
git submodule), and builds it as a "normal" Qt library
(without any dependencies on Qt itself).

The library can be added to a project with

QT += v8-private

V8 API headers are available as private includes, e.g.

 #include <private/v8.h>

The API is private because we're exposing a third-party
API directly, and we don't want to (and cannot) make
source or binary compatibility guarantees for it.

Since we want the V8 public API headers to be private
headers in Qt, syncqt and sync.profile were extended to
understand a new configuration option, the
@allmoduleheadersprivate array, that tells syncqt whether
all the library headers should be treated as private even
though they don't follow the _p.h Qt convention.

The V8 project files, patches and autotests are copied
from the QtDeclarative repository. The next step after
this commit is to remove QtDeclarative's copy of V8 and
link with QtV8 instead.

Task-number: QTBUG-20963
Change-Id: Ib8820362cdbc8fa662a5e97db841656cf38d1b62
Reviewed-on: http://codereview.qt.nokia.com/3092
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>

1 files changed, 254 insertions, 0 deletions

diff --git a/tests/auto/v8/v8test.cpp b/tests/auto/v8/v8test.cpp
new file mode 100644
index 0000000000..a712bf12b4
--- /dev/null
+++ b/tests/auto/v8/v8test.cpp
@@ -0,0 +1,254 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "v8test.h"
+
+using namespace v8;
+
+#define BEGINTEST() bool _testPassed = true;
+#define ENDTEST() return _testPassed;
+
+#define VERIFY(expr) { \
+    if (!(expr)) { \
+        fprintf(stderr, "FAIL: %s:%d %s\n", __FILE__, __LINE__, # expr); \
+        _testPassed = false; \
+        goto cleanup; \
+    }  \
+}
+
+
+bool v8test_eval()
+{
+    BEGINTEST();
+
+    HandleScope handle_scope;
+    Persistent<Context> context = Context::New();
+    Context::Scope context_scope(context);
+
+    Local<Object> qmlglobal = Object::New();
+    qmlglobal->Set(String::New("a"), Integer::New(1922));
+
+    Local<Script> script = Script::Compile(String::New("eval(\"a\")"), NULL, NULL,
+                                           Handle<String>(), Script::QmlMode);
+
+    TryCatch tc;
+    Local<Value> result = script->Run(qmlglobal);
+
+    VERIFY(!tc.HasCaught());
+    VERIFY(result->Int32Value() == 1922);
+
+cleanup:
+    context.Dispose();
+
+    ENDTEST();
+}
+
+static int userObjectComparisonCalled = 0;
+static bool userObjectComparisonReturn = false;
+static Local<Object> expectedLhs;
+static Local<Object> expectedRhs;
+static bool expectedObjectsCompared = false;
+
+#define SET_EXPECTED(lhs, rhs) { \
+    expectedObjectsCompared = false; \
+    expectedLhs = lhs; \
+    expectedRhs = rhs; \
+}
+
+static bool UserObjectComparison(Local<Object> lhs, Local<Object> rhs)
+{
+    userObjectComparisonCalled++;
+
+    expectedObjectsCompared = (lhs == expectedLhs && rhs == expectedRhs);
+
+    return userObjectComparisonReturn;
+}
+
+inline bool runscript(const char *source) {
+    Local<Script> script = Script::Compile(String::New(source));
+    Local<Value> result = script->Run();
+    return result->BooleanValue();
+}
+
+bool v8test_userobjectcompare()
+{
+    BEGINTEST();
+
+    HandleScope handle_scope;
+    Persistent<Context> context = Context::New();
+    Context::Scope context_scope(context);
+
+    V8::SetUserObjectComparisonCallbackFunction(UserObjectComparison);
+
+    Local<ObjectTemplate> ot = ObjectTemplate::New();
+    ot->MarkAsUseUserObjectComparison();
+
+    Local<Object> uoc1 = ot->NewInstance();
+    Local<Object> uoc2 = ot->NewInstance();
+    context->Global()->Set(String::New("uoc1a"), uoc1);
+    context->Global()->Set(String::New("uoc1b"), uoc1);
+    context->Global()->Set(String::New("uoc2"), uoc2);
+    Local<Object> obj1 = Object::New();
+    context->Global()->Set(String::New("obj1a"), obj1);
+    context->Global()->Set(String::New("obj1b"), obj1);
+    context->Global()->Set(String::New("obj2"), Object::New());
+    Local<String> string1 = String::New("Hello World");
+    context->Global()->Set(String::New("string1a"), string1);
+    context->Global()->Set(String::New("string1b"), string1);
+    context->Global()->Set(String::New("string2"), v8::String::New("Goodbye World"));
+
+    // XXX Opportunity for optimization - don't invoke user callback if objects are
+    // equal.
+#if 0
+    userObjectComparisonCalled = 0; userObjectComparisonReturn = false;
+    VERIFY(true == runscript("uoc1a == uoc1b"));
+    VERIFY(userObjectComparisonCalled == 0);
+#endif
+
+    // Comparing two uoc objects invokes uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(false == runscript("uoc1a == uoc2"));
+    VERIFY(userObjectComparisonCalled == 1);
+
+    VERIFY(false == runscript("uoc2 == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 2);
+    userObjectComparisonReturn = true;
+    VERIFY(true == runscript("uoc1a == uoc2"));
+    VERIFY(userObjectComparisonCalled == 3);
+    VERIFY(true == runscript("uoc2 == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 4);
+
+    // != on two uoc object invokes uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(true == runscript("uoc1a != uoc2"));
+    VERIFY(userObjectComparisonCalled == 1);
+    VERIFY(true == runscript("uoc2 != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 2);
+    userObjectComparisonReturn = true;
+    VERIFY(false == runscript("uoc1a != uoc2"));
+    VERIFY(userObjectComparisonCalled == 3);
+    VERIFY(false == runscript("uoc2 != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 4);
+
+    // Comparison against a non-object doesn't invoke uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(false == runscript("uoc1a == string1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+    VERIFY(false == runscript("string1a == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+    VERIFY(false == runscript("2 == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+    VERIFY(true == runscript("uoc1a != string1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+    VERIFY(true == runscript("string1a != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+    VERIFY(true == runscript("2 != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 0);
+
+    // Comparison against a non-uoc-object still invokes uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(false == runscript("uoc1a == obj1a"));
+    VERIFY(userObjectComparisonCalled == 1);
+    VERIFY(false == runscript("obj1a == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 2);
+    userObjectComparisonReturn = true;
+    VERIFY(true == runscript("uoc1a == obj1a"));
+    VERIFY(userObjectComparisonCalled == 3);
+    VERIFY(true == runscript("obj1a == uoc1a"));
+    VERIFY(userObjectComparisonCalled == 4);
+
+    // != comparison against a non-uoc-object still invokes uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(true == runscript("uoc1a != obj1a"));
+    VERIFY(userObjectComparisonCalled == 1);
+    VERIFY(true == runscript("obj1a != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 2);
+    userObjectComparisonReturn = true;
+    VERIFY(false == runscript("uoc1a != obj1a"));
+    VERIFY(userObjectComparisonCalled == 3);
+    VERIFY(false == runscript("obj1a != uoc1a"));
+    VERIFY(userObjectComparisonCalled == 4);
+
+    // Comparing two non-uoc objects does not invoke uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    VERIFY(true == runscript("obj1a == obj1a"));
+    VERIFY(true == runscript("obj1a == obj1b"));
+    VERIFY(false == runscript("obj1a == obj2"));
+    VERIFY(false == runscript("obj1a == string1a"));
+    VERIFY(true == runscript("string1a == string1a"));
+    VERIFY(true == runscript("string1a == string1b"));
+    VERIFY(false == runscript("string1a == string2"));
+    VERIFY(userObjectComparisonCalled == 0);
+
+    // Correct lhs and rhs passed to uoc
+    userObjectComparisonCalled = 0;
+    userObjectComparisonReturn = false;
+    SET_EXPECTED(uoc1, uoc2);
+    VERIFY(false == runscript("uoc1a == uoc2"));
+    VERIFY(true == expectedObjectsCompared);
+    SET_EXPECTED(uoc2, uoc1);
+    VERIFY(false == runscript("uoc2 == uoc1a"));
+    VERIFY(true == expectedObjectsCompared);
+    SET_EXPECTED(uoc1, uoc2);
+    VERIFY(true == runscript("uoc1a != uoc2"));
+    VERIFY(true == expectedObjectsCompared);
+    SET_EXPECTED(uoc2, uoc1);
+    VERIFY(true == runscript("uoc2 != uoc1a"));
+    VERIFY(true == expectedObjectsCompared);
+    SET_EXPECTED(uoc1, obj1);
+    VERIFY(false == runscript("uoc1a == obj1a"));
+    VERIFY(true == expectedObjectsCompared);
+    SET_EXPECTED(obj1, uoc1);
+    VERIFY(false == runscript("obj1a == uoc1a"));
+    VERIFY(true == expectedObjectsCompared);
+
+cleanup:
+    V8::SetUserObjectComparisonCallbackFunction(0);
+    context.Dispose();
+
+    ENDTEST();
+}