[0.2.x] fixed : issue #12599 (exception raised when comparing typeInfo with None )

git-svn-id: https://pykd.svn.codeplex.com/svn@86901 9b283d60-5439-405e-af05-b73fd8c4d996

pykd/pykdver.h

@@ -2,7 +2,7 @@
 #define PYKD_VERSION_MAJOR      0
 #define PYKD_VERSION_MINOR      2
 #define PYKD_VERSION_SUBVERSION 0
-#define PYKD_VERSION_BUILDNO    26
+#define PYKD_VERSION_BUILDNO    27
 
 
 #define __VER_STR2__(x) #x

pykd/variant.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "dbgexcept.h"
+
 namespace pykd {
 
 typedef boost::variant<LONG, ULONG, LONG64, ULONG64, bool>      BaseTypeVariant;
@@ -81,6 +83,11 @@ public:
     }
 };
 
+inline bool isConvertable( python::object&  obj )
+{
+    return  PyInt_Check(obj.ptr()) || PyLong_Check(obj.ptr()) || PyBool_Check(obj.ptr());
+}
+
 
 class intBase {
 
@@ -114,11 +121,25 @@ public:
     }
 
     python::object eq( python::object&  obj ) {
-        return boost::apply_visitor( VariantToPyobj(), getValue() ) == obj;
+
+        try {
+            return boost::apply_visitor( VariantToPyobj(), getValue() ) == obj;
+        } 
+        catch( DbgException& )
+        {}
+
+        return python::object(false);
     }
 
     python::object ne( python::object&  obj ) {
-        return  boost::apply_visitor( VariantToPyobj(), getValue() ) != obj;
+
+        try {
+            return boost::apply_visitor( VariantToPyobj(), getValue() ) != obj;
+        } 
+        catch( DbgException& )
+        {}
+
+        return python::object(true);
     }
 
     python::object lt( python::object&  obj ) {

test/scripts/typeinfo.py

@@ -243,3 +243,10 @@ class TypeInfoTest( unittest.TestCase ):
     def testArrayOf(self):
         ti = pykd.typeInfo("UInt8B").arrayOf(10)
         self.assertTrue( "UInt8B[10]", ti.name() )
+        
+    def testCompareWihNone(self):
+        ti = None
+        if ti == None:
+            ti = pykd.typeInfo("UInt8B")
+            if ti == None:
+                pass