| Message ID | 20110804091826.GA5358@adacore.com |
|---|---|
| State | New |
| Headers | show |
Index: sem_attr.adb =================================================================== --- sem_attr.adb (revision 177320) +++ sem_attr.adb (working copy) @@ -4102,9 +4102,15 @@ Analyze_And_Resolve (N, Etype (PS)); else - Error_Attr - ("% attribute can only appear" & - " in function Postcondition pragma", P); + if Ada_Version >= Ada_2012 then + Error_Attr + ("% attribute can only appear" & + " in function Postcondition pragma or Post aspect", P); + else + Error_Attr + ("% attribute can only appear" & + " in function Postcondition pragma", P); + end if; end if; end if; end Result;
In Ada 2012 mode, 'Result is allowed both in Postcondition pragma and in aspect Post. The error message issued by GNAT was not mentioning aspect Post. This is now fixed. Compiling the following code in mode Ada 2012 raises the error: $ gcc -c -gnat2012 p.adb p.ads:3:18: "Result" attribute can only appear in function Postcondition pragma or Post aspect --- package P is function F return Boolean with Pre => F'Result; end P; --- package body P is function F return Boolean is begin return True; end F; end P; Tested on x86_64-pc-linux-gnu, committed on trunk 2011-08-04 Yannick Moy <moy@adacore.com> * sem_attr.adb (Result): modify error message to take into account Post aspect when compiling Ada 2012 (or newer) code.