2ecbbbf107
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5809 626c5289-ae23-0410-ae9c-e8d60b6d4f22
42 lines
1.2 KiB
Text
42 lines
1.2 KiB
Text
/*
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Auxiliary methods for assigning unnamed type C++ variables, where
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swig doesn't know the casting type, but C++ can derived it:
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struct Foo { enum {Hi, Hello } hola; };
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These are very specific macros, that could keep growing as more
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compilers require especial support, or could vanish latter if the
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enum mapping changes drastically. Therefore, better we put them in
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this separate file, so swig.swg doesn't change every time we update
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something here.
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*/
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%insert("runtime") %{
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#ifdef __cplusplus
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// here, the C++ compilers that do not accept unnamed template parameters
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#if defined(_SGI_COMPILER_VERSION)
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//
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// Activate the following macro for compilers that do not support
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// unnamed template parameters, but where memcpy works.
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//
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//#define SWIG_UNNAMED_USE_MEMCPY
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//
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#ifdef SWIG_UNNAMED_USE_MEMCPY
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// dangerous assigment, but for enums it should work.
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#define swig_assign_unnamed(eval, val) memcpy(&(eval),&(val), sizeof(eval))
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#else
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#define swig_assign_unnamed(eval, val) printf("unnamed member assigment not supported\n")
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#endif
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#else
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template <class T, class V>
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inline
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void swig_assign_unnamed(T& eval, const V& val)
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{
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eval = static_cast<T>(val);
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}
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#endif
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#else
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#define swig_assign_unnamed(eval, val) eval = val
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#endif
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%}
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