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Diffstat (limited to 'src/declarative/qml/qdeclarativerewrite.cpp')
-rw-r--r--src/declarative/qml/qdeclarativerewrite.cpp62
1 files changed, 60 insertions, 2 deletions
diff --git a/src/declarative/qml/qdeclarativerewrite.cpp b/src/declarative/qml/qdeclarativerewrite.cpp
index 2cb1c65..6311e01 100644
--- a/src/declarative/qml/qdeclarativerewrite.cpp
+++ b/src/declarative/qml/qdeclarativerewrite.cpp
@@ -62,12 +62,17 @@ bool SharedBindingTester::isSharable(const QString &code)
if (!parser.statement())
return false;
+ return isSharable(parser.statement());
+}
+
+bool SharedBindingTester::isSharable(AST::Node *node)
+{
_sharable = true;
- AST::Node::acceptChild(parser.statement(), this);
+ AST::Node::acceptChild(node, this);
return _sharable;
}
-QString RewriteBinding::operator()(const QString &code, bool *ok)
+QString RewriteBinding::operator()(const QString &code, bool *ok, bool *sharable)
{
Engine engine;
NodePool pool(QString(), &engine);
@@ -80,10 +85,63 @@ QString RewriteBinding::operator()(const QString &code, bool *ok)
return QString();
} else {
if (ok) *ok = true;
+ if (sharable) {
+ SharedBindingTester tester;
+ *sharable = tester.isSharable(parser.statement());
+ }
}
return rewrite(code, 0, parser.statement());
}
+QString RewriteBinding::operator()(QDeclarativeJS::AST::Node *node, const QString &code, bool *sharable)
+{
+ if (!node)
+ return code;
+
+ if (sharable) {
+ SharedBindingTester tester;
+ *sharable = tester.isSharable(node);
+ }
+
+ QDeclarativeJS::AST::ExpressionNode *expression = node->expressionCast();
+ QDeclarativeJS::AST::Statement *statement = node->statementCast();
+ if(!expression && !statement)
+ return code;
+
+ TextWriter w;
+ _writer = &w;
+ _position = expression ? expression->firstSourceLocation().begin() : statement->firstSourceLocation().begin();
+ _inLoop = 0;
+
+ accept(node);
+
+ unsigned startOfStatement = 0;
+ unsigned endOfStatement = (expression ? expression->lastSourceLocation().end() : statement->lastSourceLocation().end()) - _position;
+
+ QString startString = QLatin1String("(function ") + QString::fromUtf8(_name) + QLatin1String("() { ");
+ if (expression)
+ startString += QLatin1String("return ");
+ _writer->replace(startOfStatement, 0, startString);
+ _writer->replace(endOfStatement, 0, QLatin1String(" })"));
+
+ if (rewriteDump()) {
+ qWarning() << "=============================================================";
+ qWarning() << "Rewrote:";
+ qWarning() << qPrintable(code);
+ }
+
+ QString codeCopy = code;
+ w.write(&codeCopy);
+
+ if (rewriteDump()) {
+ qWarning() << "To:";
+ qWarning() << qPrintable(code);
+ qWarning() << "=============================================================";
+ }
+
+ return codeCopy;
+}
+
void RewriteBinding::accept(AST::Node *node)
{
AST::Node::acceptChild(node, this);