9e66af3fef
- If Octave segfaults during cleanup, it usually cannot dump its core and therefore just freezes, which hold up e.g Travis build jobs
64 lines
1.6 KiB
Objective-C
64 lines
1.6 KiB
Objective-C
# do not dump Octave core
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if exist("crash_dumps_octave_core", "builtin")
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crash_dumps_octave_core(0);
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endif
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# This file illustrates the cross language polymorphism using directors.
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swigexample
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OctCallback=@() subclass(swigexample.Callback(),"run",@(self) printf("OctCallback.run()\n"));
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# Create an Caller instance
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caller = swigexample.Caller();
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# Add a simple C++ callback (caller owns the callback, so
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# we disown it first)
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printf("Adding and calling a normal C++ callback\n");
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printf("----------------------------------------\n");
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callback = swigexample.Callback().__disown();
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caller.setCallback(callback);
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caller.call();
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caller.delCallback();
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printf("Adding and calling a Octave callback\n");
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printf("------------------------------------\n");
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# Add a Octave callback (caller owns the callback, so we
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# disown it first by calling __disown).
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caller.setCallback(OctCallback().__disown())
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caller.call();
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caller.delCallback();
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printf("Adding and calling another Octave callback\n");
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printf("------------------------------------------\n");
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# Let's do the same but use the weak reference this time.
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callback = OctCallback().__disown();
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caller.setCallback(callback);
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caller.call();
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caller.delCallback();
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# careful-- using callback here may cause problems; octave_swig_type still
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# exists, but is holding a destroyed object (the C++ swigexample.Callback).
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# to manually drop the octave-side reference, you can use
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clear callback;
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# Let's call them directly now
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printf("Calling Octave and C++ callbacks directly\n");
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printf("------------------------------------------\n");
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a = OctCallback();
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a.run();
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a.Callback.run();
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# All done.
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printf("octave exit\n");
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