debugger: fix QDir gdb pretty printer for Qt 4.8

Change-Id: Iff0f28b37abed29920379302dc540d46588fc787
Reviewed-by: hjk <qthjk@ovi.com>

share/qtcreator/dumper/qttypes.py

@@ -213,8 +213,14 @@ def qdump__QDateTime(d, value):
 
 
 def qdump__QDir(d, value):
-    d.putStringValue(value["d_ptr"]["d"].dereference()["path"])
     d.putNumChild(1)
+    data = value["d_ptr"]["d"].dereference()
+    try:
+        # Up to Qt 4.7
+        d.putStringValue(data["path"])
+    except:
+        # Qt 4.8 and later.
+        d.putStringValue(data["dirEntry"]["m_filePath"])
     if d.isExpanded():
         with Children(d):
             d.putCallItem("absolutePath", value, "absolutePath")

tests/manual/debugger/simple/simple_test_app.cpp

@@ -688,6 +688,23 @@ namespace qdatetime {
 } // namespace qdatetime
 
 
+namespace qdir {
+
+    void testQDir()
+    {
+        QDir dir("/tmp");
+        dir.absolutePath();
+        BREAK_HERE;
+        // Check dir "/tmp" QDir.
+        // Check dir.absolutePath "/tmp" QString.
+        // Check dir.canonicalPath "/tmp" QString.
+        // Continue.
+        dummyStatement(&dir);
+    }
+
+} // namespace qdir
+
+
 namespace qfileinfo {
 
     void testQFileInfo()
@@ -6095,6 +6112,7 @@ int main(int argc, char *argv[])
 
     qbytearray::testQByteArray();
     qdatetime::testDateTime();
+    qdir::testQDir();
     qfileinfo::testQFileInfo();
     qhash::testQHash();
     qlinkedlist::testQLinkedList();