sem_util.adb, [...] (Build_Class_Wide_Clone_Body): Build body of subprogram that has a class-wide condition that contains calls to...
2017-04-27 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb, sem_util.ads (Build_Class_Wide_Clone_Body):
Build body of subprogram that has a class-wide condition that
contains calls to other primitives.
(Build_Class_Wide_Clone_Call); Build a call to the common
class-wide clone of a subprogram with classwide conditions. The
body of the subprogram becomes a wrapper for a call to the
clone. The inherited operation becomes a similar wrapper to which
modified conditions apply, and the call to the clone includes
the proper conversion in a call the parent operation.
(Build_Class_Wide_Clone_Decl (Spec_Id : Entity_Id): For a
subprogram that has a classwide condition that contains calls to
other primitives, build an internal subprogram that is invoked
through a type-specific wrapper for all inherited subprograms
that may have a modified condition.
* sem_prag.adb (Check_References): If subprogram has a classwide
condition, create entity for corresponding clone, to be invoked
through wrapper subprograns.
(Analyze_Pre_Post_Condition_In_Decl_Part): Do not emit error
message about placement if pragma isi internally generated.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): If subprogram has
a classwide clone, build body of clone as copy of original body,
and rewrite original body as a wrapper as a wrapper for a call to
the clone, so that it incorporates the original pre/postconditions
of the subprogram.
* freeze.adb (Check_Inherited_Conditions): For an inherited
subprogram that inherits a classwide condition, build spec and
body of corresponding wrapper so that call to inherited operation
gets the modified conditions.
* contracts.adb (Analyze_Contracts): If analysis of classwide
condition has created a clone for a primitive operation, analyze
declaration of clone.
From-SVN: r247313
