[Bug 1361354] [NEW] smokegen generates wrong cast function for smokeqt

[Matthias Klose]

Public bug reported:

In trusty, smokegen generates smokedata.cpp(cast), which ends with:

[...]
    case 152:   //QXmlStreamWriter
      switch(to) {
        case 152: return (void*)(QXmlStreamWriter*)xptr;
        default: return xptr;
      }
    default: return xptr;
  }
}

in utopic, the function ends as:

    case 155:   //QXmlStreamWriter
      switch(to) {
        case 155: return (void*)(QXmlStreamWriter*)xptr;
        default: return xptr;
      }
    case 157:   //iterator
      switch(to) {
        case 157: return (void*)(iterator*)xptr;
        default: return xptr;
      }
    default: return xptr;
  }
}

This doesn't look right, and ends with a build error. Removing the 157
case lets the build continue and then fails further on with

/scratch/packages/tmp/smokeqt-4.14.0/obj-x86_64-linux-gnu/qtcore/x_3.cpp: In member function 'void __smokeqtcore::x_QBitArray::x_36(Smoke::Stack)':
/scratch/packages/tmp/smokeqt-4.14.0/obj-x86_64-linux-gnu/qtcore/x_3.cpp:1003:57: warning: ISO C++ forbids taking the address of an unqualified or parenthesized non-static member function to form a pointer to member function.  Say '&__smokeqtcore::x_QBitArray::operator=' [-fpermissive]
         x[0].s_class = (void*)&this->QBitArray::operator=;
                                                         ^
/scratch/packages/tmp/smokeqt-4.14.0/obj-x86_64-linux-gnu/qtcore/x_3.cpp:1003:57: warning: converting from 'QBitArray& (QBitArray::*)(const QBitArray&)' to 'void*' [-Wpmf-conversions]

** Affects: smokegen (Ubuntu)
     Importance: High
         Status: Confirmed

** Affects: smokeqt (Ubuntu)
     Importance: High
         Status: Confirmed

** Affects: smokegen (Ubuntu Utopic)
     Importance: High
         Status: Confirmed

** Affects: smokeqt (Ubuntu Utopic)
     Importance: High
         Status: Confirmed

** Also affects: smokegen (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: smokegen (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: smokeqt (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Changed in: smokegen (Ubuntu Utopic)
   Importance: Undecided => High

** Changed in: smokegen (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: smokeqt (Ubuntu Utopic)
   Importance: Undecided => High

** Changed in: smokeqt (Ubuntu Utopic)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1361354

Title:
  smokegen generates wrong cast function for smokeqt

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