1b6c95c49f
2007-08-14 Robert Dewar <dewar@adacore.com> Ed Schonberg <schonberg@adacore.com> * sem_ch5.adb: Improve warnings on redundant assignments * sem_util.ads, sem_util.adb: (Is_Variable): Add defense against junk parameter (Is_Synchronized_Tagged_Type): New subprogram that returns true in case of synchronized tagged types (AARM 3.9.4 (6/2)). (Safe_To_Capture_Value): Can now return True for constants, even if Cond is set to False. Improves handling of Known_[Not_]Null. (Wrong_Type): Special case address arithmetic attempt (Collect_Abstract_Interfaces): Add new formal to allow collecting abstract interfaces just using the partial view of private types. (Has_Abstract_Interfaces): Add new formal to allow checking types covering interfaces using the partial view of private types. (Is_Fully_Initialized_Type): Special VM case for uTag component. This component still needs to be defined in this case, but is never initialized as VMs are using other dispatching mechanisms. (Abstract_Interface_List): For a protected type, use base type to get proper declaration. Improve warnings on redundant assignments (Is_Variable): Handle properly an implicit dereference of a prefixed function call. (Build_Actual_Subtype): If this is an actual subtype for an unconstrained formal parameter, use the sloc of the body for the new declaration, to prevent anomalises in the debugger. From-SVN: r127427 |
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