File 0004-QML-parse-.js-files-as-JavaScript-not-QML.patch of Package libqt5-qtdeclarative

From f7c3035fa1d965dceb36892122683a5ceb6cab89 Mon Sep 17 00:00:00 2001
From: Erik Verbruggen <erik.verbruggen@digia.com>
Date: Thu, 28 Aug 2014 13:12:53 +0200
Subject: [PATCH 4/6] QML: parse .js files as JavaScript, not QML.

When importing a JS library into a QML file with the "import" keyword,
that JS file was parsed in QML mode, disallowing QML keywords like "as".

Task-number: QTBUG-40143
Change-Id: Ie98adceb27544732c2e96657d41170db36bff288
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
---
 src/qml/jsruntime/qv4script.cpp                               |  2 +-
 .../qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js    |  7 +++++++
 .../qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml   | 10 ++++++++++
 tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp          | 11 +++++++++++
 4 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js
 create mode 100644 tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml

diff --git a/src/qml/jsruntime/qv4script.cpp b/src/qml/jsruntime/qv4script.cpp
index 36f61a1..4d6e069 100644
--- a/src/qml/jsruntime/qv4script.cpp
+++ b/src/qml/jsruntime/qv4script.cpp
@@ -349,7 +349,7 @@ QV4::CompiledData::CompilationUnit *Script::precompile(IR::Module *module, Compi
 
     QQmlJS::Engine ee;
     QQmlJS::Lexer lexer(&ee);
-    lexer.setCode(source, /*line*/1, /*qml mode*/true);
+    lexer.setCode(source, /*line*/1, /*qml mode*/false);
     QQmlJS::Parser parser(&ee);
 
     parser.parseProgram();
diff --git a/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js
new file mode 100644
index 0000000..aabcc9f
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js
@@ -0,0 +1,7 @@
+.pragma library
+
+var as = undefined
+function isLegal() {
+    var as = true;
+    return as;
+}
diff --git a/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml
new file mode 100644
index 0000000..17d1219
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml
@@ -0,0 +1,10 @@
+import QtQuick 2.0
+
+import "importScriptsWithoutQmlMode.js" as Export
+
+Rectangle {
+    id: root
+    property bool success: false
+
+    Component.onCompleted: success = Export.isLegal()
+}
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index 34413b2..7e9adea 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -321,6 +321,7 @@ private slots:
     void lazyBindingEvaluation();
     void varPropertyAccessOnObjectWithInvalidContext();
     void importedScriptsAccessOnObjectWithInvalidContext();
+    void importedScriptsWithoutQmlMode();
     void contextObjectOnLazyBindings();
     void garbageCollectionDuringCreation();
 
@@ -7609,6 +7610,16 @@ void tst_qqmlecmascript::importedScriptsAccessOnObjectWithInvalidContext()
    QTRY_VERIFY(obj->property("success") == true);
 }
 
+void tst_qqmlecmascript::importedScriptsWithoutQmlMode()
+{
+   QQmlComponent component(&engine, testFileUrl("importScriptsWithoutQmlMode.qml"));
+   QScopedPointer<QObject> obj(component.create());
+   if (obj.isNull())
+       qDebug() << component.errors().first().toString();
+   QVERIFY(!obj.isNull());
+   QTRY_VERIFY(obj->property("success") == true);
+}
+
 void tst_qqmlecmascript::contextObjectOnLazyBindings()
 {
     QQmlComponent component(&engine, testFileUrl("contextObjectOnLazyBindings.qml"));
-- 
2.1.0