rexx-things/modules/api/c++/external/useExternalMethods.rex
2025-03-12 20:50:48 +00:00

78 lines
4.5 KiB
Rexx
Executable File

/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2021 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
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/* */
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/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
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/* */
/*----------------------------------------------------------------------------*/
o=.test~new -- create object
o~hello
say "---"
say "o~NoArgMethodReturn123() :" pp(o~NoArgMethodReturn123)
say
say "invoking a method that returns nothing:"
o~NoArgMethodVoid
say
say "o~OneArgMethodReturnArg(1) :" pp(o~OneArgMethodReturnArg(1))
say "o~OneArgMethodReturnArg( ) :" pp(o~OneArgMethodReturnArg( ))
say
say "invoking another method that returns nothing:"
o~OneArgMethodVoid(2)
say
say "o~TwoIntArgAdder(4, 5) :" pp(o~TwoIntArgAdder(4, 5))
say "o~TwoDoubleArgAdder(6 , 8 ):" pp(o~TwoDoubleArgAdder(6 , 8 ))
say "o~TwoDoubleArgAdder(6.7, 8.9):" pp(o~TwoDoubleArgAdder(6.7, 8.9))
say "---"
say "invoking a method that natively will send 'hello' to its object:"
o~OneArgInvokeOrxMethod(-123)
say "---"
say "Invoking an external method with wrong arguments:"
say "o~TwoIntArgAdder(9.8, 7.6) :" pp(o~TwoIntArgAdder(9.8, 7.6))
::routine pp -- return string value enclosed in square brackets
return "["arg(1)"]"
::class test -- define class and native methods for it
::method NoArgMethodReturn123 external "LIBRARY external_methods NoArgMethodReturn123 "
::method NoArgMethodVoid external "LIBRARY external_methods NoArgMethodVoid "
::method OneArgMethodReturnArg external "LIBRARY external_methods OneArgMethodReturnArg"
::method OneArgMethodVoid external "LIBRARY external_methods OneArgMethodVoid "
::method TwoIntArgAdder external "LIBRARY external_methods TwoIntArgAdder "
::method TwoDoubleArgAdder external "LIBRARY external_methods TwoDoubleArgAdder "
::method OneArgInvokeOrxMethod external "LIBRARY external_methods OneArgInvokeOrxMethod"
::method hello
say "hello from" pp(self) "self~identityHash:" pp(self~identityHash)