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26 lines
1012 B
C
26 lines
1012 B
C
#if defined(__clang__) && !defined(__OBJC_RUNTIME_INTERNAL__)
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#pragma clang system_header
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#endif
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enum objc_developer_mode_np
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{
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/** User mode - the default. */
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objc_developer_mode_user,
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/** Developer mode - allows replacing classes. */
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objc_developer_mode_developer
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};
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/*
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* Sets the developer mode. When in user mode (the default),
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* loading two classes with the same name will cause the program to abort. In
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* developer mode, the new class will replace the old one. If the ivar layouts
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* are the same, the new class will be treated as a category. If they are
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* different, then it will replace the old one in the class table, meaning that
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* message sends to the class will go to the new version, but existing
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* instances will not acquire the new methods.
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*
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* The runtime currently only supports two modes, although more may be added in
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* the future. The behaviour of the existing modes will be maintained if this
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* is the case.
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*/
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void objc_setDeveloperMode_np(enum objc_developer_mode_np);
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