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2020-06-17 Javier Miranda <miranda@adacore.com> gcc/ada/ * aspects.ads (type Aspect_Id): Add Aspect_Yield as a Boolean aspect, and update the Is_Representation_Aspect, Aspect_Names, and Aspect_Delay arrays. * einfo.ads, einfo.adb (Has_Yield_Aspect, Yield_Aspect): New subprograms. * exp_ch6.adb (Add_Return, Expand_Non_Function_Return, Expand_Simple_Function_Return): Add calls to Yield. * exp_ch9.adb (Build_Accept_Body, Expand_N_Accept_Statement): Add calls to Yield. * rtsfind.ads (RE_Yield): Adding support to generate calls to the runtime service Ada.Dispatching.Yield * sem_ch13.adb (Analyze_Aspect_Yield): New subprogram. * sem_ch3.adb (Derive_Subprogram): Inherit attribute Has_Yield_Aspect. * sem_ch8.adb (Analyze_Subprogram_Renaming): Check consistency of Has_Yield in the actual subprogram of a generic instantiation. * sem_disp.adb (Check_Dispatching_Operation): Check that if the Yield aspect is specified for a dispatching subprogram that inherits the aspect, the specified value shall be confirming. * sem_prag.adb (Analyze_Pragma [Pragma_Implemented]): Check that the implementation kind By_Protected_Procedure cannot be applied to a procedure that has aspect Yield. |
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