Dumper: Remove unused function

Change-Id: Ibc8cf420170b084c05fdaf1d6a7b26594bcb3f24
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

share/qtcreator/debugger/creatortypes.py

@@ -37,7 +37,7 @@ def extractPointerType(d, value):
     postfix = ""
     while stripTypeName(value) == "CPlusPlus::PointerType":
         postfix += "*"
-        value = d.downcast(value["_elementType"]["_type"])
+        value = value["_elementType"]["_type"]
     try:
         return readLiteral(d, value["_name"]) + postfix
     except:
@@ -60,7 +60,7 @@ def readTemplateName(d, value):
         for i in range(int(size)):
             if i > 0:
                 name += ", "
-            name += extractPointerType(d, d.downcast(start[i]["_type"]))
+            name += extractPointerType(d, start[i]["_type"])
     except:
         return "<not accessible>"
     name += ">"
@@ -69,7 +69,6 @@ def readTemplateName(d, value):
 def readLiteral(d, value):
     if d.isNull(value):
         return "<null>"
-    value = d.downcast(value)
     type = value.type.unqualified()
     try:
         type = type.target()
@@ -147,7 +146,7 @@ def qdump__CPlusPlus__IntegerType(d, value):
     d.putPlainChildren(value)
 
 def qdump__CPlusPlus__FullySpecifiedType(d, value):
-    type = d.downcast(value["_type"])
+    type = value["_type"]
     typeName = stripTypeName(type)
     if typeName == "CPlusPlus::NamedType":
         dumpLiteral(d, type["_name"])

share/qtcreator/debugger/dumper.py

@@ -3158,10 +3158,6 @@ class DumperBase:
             val.type = self.dumper.createType(typish)
             return val
 
-        def downcast(self):
-            self.check()
-            return self
-
         def address(self):
             self.check()
             return self.laddress