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0027111: Add generalized copy constructor in handle class for old compilers

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Copy constructor and assignment operator from handle of derived type is added in handle class.
They are enabled only if macro OCC_HANDLE_NOCASTS is defined, and operators of cast of handle to reference to handle to base type are disabled in that case.

Useless type casts to handle to base type are removed in GC and GCE2d classes.
Code returning reference to handle from function is corrected to return it either by value or as reference to handle of actual type.
This commit is contained in:
abv
2016-02-06 15:26:26 +03:00
parent aa00364da7
commit 4796758e8d
44 changed files with 154 additions and 80 deletions
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4
src/XmlDrivers/XmlDrivers.cxx
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@@ -45,7 +45,7 @@ const Handle(Standard_Transient)& XmlDrivers::Factory(const Standard_GUID& theGU
#ifdef OCCT_DEBUG
cout << "XmlDrivers : Storage Plugin" << endl;
#endif
static Handle(XmlDrivers_DocumentStorageDriver) model_sd =
static Handle(Standard_Transient) model_sd =
new XmlDrivers_DocumentStorageDriver
("Copyright: Open Cascade, 2001-2002"); // default copyright
return model_sd;
@@ -56,7 +56,7 @@ const Handle(Standard_Transient)& XmlDrivers::Factory(const Standard_GUID& theGU
#ifdef OCCT_DEBUG
cout << "XmlDrivers : Retrieval Plugin" << endl;
#endif
static Handle (XmlDrivers_DocumentRetrievalDriver) model_rd =
static Handle (Standard_Transient) model_rd =
new XmlDrivers_DocumentRetrievalDriver ();
return model_rd;
}