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Date:2008-09-19T07:54:43.000000Z git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@25 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
36 lines
1.6 KiB
Plaintext
36 lines
1.6 KiB
Plaintext
[[Property:title|Reference for `eif_attribute'.]]
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[[Property:link_title|eif_attribute]]
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[[Property:weight|-12]]
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[[Property:uuid|c843f272-8ac2-c30e-e71f-bd6c567e9de3]]
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==SYNOPSYS==
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<code>
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'''#include "eif_cecil.h"
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EIFFEL_TYPE eif_attribute (EIF_REFERENCE''' ''object''''', char *''' ''name''''', EIFFEL_TYPE, int *''' ''status'');</code>
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==DESCRIPTION==
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The '''eif_attribute()''' macro returns the attribute of name ''name'', which is of type ''EIFFEL_TYPE''.
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''EIFFEL_TYPE'' is the type of the Eiffel attribute. It can be: '''EIF_INTEGER''', '''EIF_CHARACTER''', '''EIF_BOOLEAN''', '''EIF_DOUBLE''', '''EIF_REAL''', or '''EIF_REFERENCE'''.
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If ''status'' is NULL then no status is set. Otherwise the status of the call is put into ''*status''. Its value is one of the following:
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If the visible exception is enabled, then a visible exception is raised upon failure ( '''EIF_NO_ATTRIBUTE''', '''EIF_CECIL_ERROR''').
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==RETURN VALUE==
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Upon failure, it returns ( ''EIFFEL_TYPE'') 0, otherwise the attribute is returned.
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==NOTES==
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If the return value is an '''EIF_REFERENCE''', you must protect it with '''eif_protect()'''. <br/>
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You cannot access a constant attribute, or the result of a once function with '''eif_attribute()'''.
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==CONFORMANCE==
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ISE Eiffel 4.5 and later.
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==COMPATIBILITY==
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'''eif_attribute (''' ''object'' ''',''' ''name'' ''',''' ''type'' ''',''' ''NULL'' ''')''' <br/>
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is equivalent to: <br/>
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'''eif_field (''' ''object'' ''',''' ''name'' ''',''' ''type'' ''')''' <br/>
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which is deprecated.
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==SEE ALSO==
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'''eif_protect'''(1) , '''attribute_exists'''(1) , '''eif_procedure'''(1) , '''eif_reference_function'''(1). Markup created by 1. 0, November 15, 1999.
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