From f25f00210cf528f017c64d2fe6505ef15f9447f7 Mon Sep 17 00:00:00 2001
From: Aaron Kennedy <aaron.kennedy@nokia.com>
Date: Wed, 2 Dec 2009 12:49:24 +1000
Subject: Cleanup cached binding closures

---
 src/declarative/qml/qmlcompileddata.cpp |  4 ++--
 src/declarative/qml/qmlcompiler.cpp     | 13 +++++++++----
 src/declarative/qml/qmlcompiler_p.h     |  4 ++--
 src/declarative/qml/qmlexpression.cpp   | 12 ++++++------
 4 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/src/declarative/qml/qmlcompileddata.cpp b/src/declarative/qml/qmlcompileddata.cpp
index 3428574..9b931c5 100644
--- a/src/declarative/qml/qmlcompileddata.cpp
+++ b/src/declarative/qml/qmlcompileddata.cpp
@@ -167,8 +167,8 @@ QmlCompiledData::~QmlCompiledData()
     if (importCache)
         importCache->release();
 
-    qDeleteAll(programs);
-    qDeleteAll(cachedValues);
+    qDeleteAll(cachedPrograms);
+    qDeleteAll(cachedClosures);
 }
 
 QObject *QmlCompiledData::TypeReference::createInstance(QmlContext *ctxt, const QBitField &bindings) const
diff --git a/src/declarative/qml/qmlcompiler.cpp b/src/declarative/qml/qmlcompiler.cpp
index a0e9418..aac2e02 100644
--- a/src/declarative/qml/qmlcompiler.cpp
+++ b/src/declarative/qml/qmlcompiler.cpp
@@ -2538,12 +2538,17 @@ bool QmlCompiler::completeComponentBuild()
             expression = rewriteBinding(expression);
 
             quint32 length = expression.length();
-            quint32 pc = output->programs.length();
-            if (isSharable) 
+            quint32 pc; 
+            
+            if (isSharable) {
+                pc = output->cachedClosures.count();
                 pc |= 0x80000000;
+                output->cachedClosures.append(0);
+            } else {
+                pc = output->cachedPrograms.length();
+                output->cachedPrograms.append(0);
+            }
 
-            output->programs.append(0);
-            output->cachedValues.append(0);
             binding.compiledData =
                 QByteArray((const char *)&pc, sizeof(quint32)) +
                 QByteArray((const char *)&length, sizeof(quint32)) +
diff --git a/src/declarative/qml/qmlcompiler_p.h b/src/declarative/qml/qmlcompiler_p.h
index ca26062..542fb48 100644
--- a/src/declarative/qml/qmlcompiler_p.h
+++ b/src/declarative/qml/qmlcompiler_p.h
@@ -113,8 +113,8 @@ public:
     QList<QByteArray> datas;
     QList<QmlParser::Location> locations;
     QList<QmlInstruction> bytecode;
-    QList<QScriptProgram *> programs;
-    QList<QScriptValue *> cachedValues;
+    QList<QScriptProgram *> cachedPrograms;
+    QList<QScriptValue *> cachedClosures;
     QList<QmlPropertyCache *> propertyCaches;
     QList<QmlIntegerCache *> contextCaches;
     QList<QmlParser::Object::ScriptBlock> scripts;
diff --git a/src/declarative/qml/qmlexpression.cpp b/src/declarative/qml/qmlexpression.cpp
index 703fcf5..2239d77 100644
--- a/src/declarative/qml/qmlexpression.cpp
+++ b/src/declarative/qml/qmlexpression.cpp
@@ -117,22 +117,22 @@ void QmlExpressionPrivate::init(QmlContext *ctxt, void *expr, QmlRefCount *rc,
 
         if (isShared) {
 
-            if (!dd->cachedValues.at(progIdx)) {
+            if (!dd->cachedClosures.at(progIdx)) {
                 QScriptContext *scriptContext = QScriptDeclarativeClass::pushCleanContext(scriptEngine);
                 scriptContext->pushScope(ep->contextClass->newSharedContext());
-                dd->cachedValues[progIdx] = new QScriptValue(scriptEngine->evaluate(data->expression, data->url.toString(), data->line));
+                dd->cachedClosures[progIdx] = new QScriptValue(scriptEngine->evaluate(data->expression, data->url.toString(), data->line));
                 scriptEngine->popContext();
             }
 
-            data->expressionFunction = *dd->cachedValues.at(progIdx);
+            data->expressionFunction = *dd->cachedClosures.at(progIdx);
             data->isShared = true;
             data->expressionFunctionValid = true;
 
         } else {
 
 #if !defined(Q_OS_SYMBIAN) //XXX Why doesn't this work?
-            if (!dd->programs.at(progIdx)) {
-                dd->programs[progIdx] =
+            if (!dd->cachedPrograms.at(progIdx)) {
+                dd->cachedPrograms[progIdx] =
                     new QScriptProgram(data->expression, data->url.toString(), data->line);
             }
 #endif
@@ -141,7 +141,7 @@ void QmlExpressionPrivate::init(QmlContext *ctxt, void *expr, QmlRefCount *rc,
             scriptContext->pushScope(ep->contextClass->newContext(ctxt, me));
 
 #if !defined(Q_OS_SYMBIAN) 
-            data->expressionFunction = scriptEngine->evaluate(*dd->programs[progIdx]);
+            data->expressionFunction = scriptEngine->evaluate(*dd->cachedPrograms.at(progIdx));
 #else
             data->expressionFunction = scriptEngine->evaluate(data->expression);
 #endif
-- 
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