Create Translation Bindings without CompiledData::Binding

To add translation bindings to qmltc, the methods used to create
translation bindings need to be adapted to work without
QV4::CompiledData::Binding as it is not available from qmltc. Instead,
information already available from the QQmlJSScope should be used, along
with a newly introduced helper class QQmlTranslation.

Details:
Add a QQmlTranslation class that represents a call to qsTr, qsTrId etc
that knows how to translate itself (without needing any
ExecutableCompilationUnit or Binding). It encapsulates the
information needed to create a translation binding.

ExecutableCompilationUnit::bindingValueAsString refactored
so its functionality can be used without Binding.
Instead, it uses only the translationId, see
ExecutableCompilationUnit::translateFromId
and
ExecutableCompilationUnit::translateFrom.

Refactored QQmlTranslationBinding to work with QQmlTranslation instead
of CompiledData::Binding.
Same for QQmlCppBinding::createTranslationBindingForBindable,
QQmlTranslationPropertyBinding::create and
QQmlCppBinding::createTranslationBindingForNonBindable.

Changed TranslationBindingInformation to work without
CompiledData::Binding, and also removed static unused
QString ProxyTranslator::originStringFromInformation(
   const TranslationBindingInformation &translationBindingInformation)
as I could not find out what this origin string is.

Same for the translation debugging in qmldb_preview.

Added QmltcCodeGenerator::generate_createTranslationBindingOnProperty.

Added #if to avoid compilation error for standalone DOM compilation due
to the new QQmlTranslation class.

Task-number: QTBUG-105345
Change-Id: Iccd94d5cba4eaf63901233451fec48051c855c2a
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4executablecompilationunit_p.h b/src/qml/jsruntime/qv4executablecompilationunit_p.h
index a43f443852..93f69a9352 100644
--- a/src/qml/jsruntime/qv4executablecompilationunit_p.h
+++ b/src/qml/jsruntime/qv4executablecompilationunit_p.h
@@ -252,6 +252,14 @@ public:
 
     QString bindingValueAsString(const CompiledData::Binding *binding) const;
 
+    struct TranslationDataIndex
+    {
+        uint index;
+        bool byId;
+    };
+
+    QString translateFrom(TranslationDataIndex index) const;
+
     static bool verifyHeader(const CompiledData::Unit *unit, QDateTime expectedSourceTimeStamp,
                              QString *errorString);
 protected: