01277d700c
This involves properly counting the number of references and pointers in the return type of a function and only generate unwrapping code if this number is 1. For template instances some post-processing code is added to fix the 'decl' and 'type' attributes of functions if changed in an unfavorable way during template expansion. This commit fixes swig#1811.
106 lines
3 KiB
Ruby
106 lines
3 KiB
Ruby
#!/usr/bin/env ruby
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#
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# This test checks the proper unwrapping of director objects before returning
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# a pointer to the (wrapped) instance.
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# Unwrapping must not happen for return-by-value and returning higher
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# reference levels (pointer to pointer, reference to pointer, etc.), but this
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# is already checked by the C++ compiler.
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#
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require 'swig_assert'
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require 'director_unwrap_result'
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############################
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# test with a regular (non-template) class
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class MyElement < Director_unwrap_result::Element
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end
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class MyStorage < Director_unwrap_result::Storage
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def initialize(e)
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super()
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@elem = e
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end
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def getIt
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@elem.getPtrPtr
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end
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end
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e = MyElement.new
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s = MyStorage.new(e)
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swig_assert_equal('s.getElement.class', 'Director_unwrap_result::Element', binding)
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swig_assert('s.getElement != e', binding)
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# this shows that the director class was unwrapped:
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swig_assert_equal('s.getElementPtr.class', 'MyElement', binding)
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swig_assert_equal('s.getElementPtr', 'e', binding)
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# this shows that the director class was unwrapped:
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swig_assert_equal('s.getElementRef.class', 'MyElement', binding)
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swig_assert_equal('s.getElementRef', 'e', binding)
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swig_assert_equal('s.getElementPtrPtr.class', 'SWIG::TYPE_p_p_Element', binding)
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swig_assert_equal('s.getElementPtrPtr.class', 'SWIG::TYPE_p_p_Element', binding)
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swig_assert_equal('s.getElementPtrRef.class', 'SWIG::TYPE_p_p_Element', binding)
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swig_assert_equal('s.getElementPtrRef.class', 'SWIG::TYPE_p_p_Element', binding)
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############################
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# test with a template class
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class MyElementStorage < Director_unwrap_result::ElementStorage
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def initialize(e)
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super()
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@elem = e
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end
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def getIt
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@elem
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end
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end
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class MyElementPtrStorage < Director_unwrap_result::ElementPtrStorage
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def initialize(e)
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super()
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@elem = e
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end
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def getIt
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@elem.getPtrPtr
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end
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end
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class MyElementPtrPtrStorage < Director_unwrap_result::ElementPtrPtrStorage
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def initialize(e)
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super()
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@elem = e
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end
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def getIt
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@elem.getPtrPtrPtr
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end
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end
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e = MyElement.new
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s = MyElementStorage.new(e)
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swig_assert_equal('s.getVal.class', 'Director_unwrap_result::Element', binding)
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swig_assert('s.getVal != e', binding)
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# this shows that the director class was unwrapped:
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swig_assert_equal('s.getPtr.class', 'MyElement', binding)
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swig_assert_equal('s.getPtr', 'e', binding)
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# this shows that the director class was unwrapped:
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swig_assert_equal('s.getRef.class', 'MyElement', binding)
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swig_assert_equal('s.getRef', 'e', binding)
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s = MyElementPtrStorage.new(e)
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# this shows that the director class was unwrapped:
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swig_assert_equal('s.getVal.class', 'MyElement', binding)
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swig_assert_equal('s.getVal', 'e', binding)
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swig_assert_equal('s.getPtr.class', 'SWIG::TYPE_p_p_Element', binding)
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swig_assert_equal('s.getRef.class', 'SWIG::TYPE_p_p_Element', binding)
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s = MyElementPtrPtrStorage.new(e)
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swig_assert_equal('s.getVal.class', 'SWIG::TYPE_p_p_Element', binding)
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swig_assert_equal('s.getPtr.class', 'SWIG::TYPE_p_p_p_Element', binding)
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swig_assert_equal('s.getRef.class', 'SWIG::TYPE_p_p_p_Element', binding)
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