2a738b3469
2015-10-16 Bob Duff <duff@adacore.com>
* a-contai.ads: Add two check names: Container_Checks and
Tampering_Check. Move the tampering check machinery from
Ada.Containers.Vectors to Ada.Containers. Later we can share it
with other containers.
Disable the tampering machinery in the presence of
Suppress(Tampering_Check).
Simplify the implementation of tampering checks. E.g. use RAII
to make incrementing/decrementing of the counts more concise.
* a-contai.adb: New package body, implementing the above.
* a-convec.ads, a-convec.adb: Use tampering check machinery
in Ada.Containers.
Disable all checking code when checks are suppressed.
Simplify many of the operations. Implement "&" in terms of Append,
rather than "by hand".
Remove: function "=" (L, R : Elements_Array) return Boolean is
abstract; so we can call the predefined "=" on Elements_Array.
For "=" on Vectors: Previously, we returned True immediately if
Left'Address = Right'Address. That seems like a non-optimization
("if X = X" is unusual), so removed that. Simplify by using
slice comparison ("=" on Element_Array will automatically call
"=" on the components, even if user defined).
2015-10-16 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (Chek_Record_Representation_Clause): When
iterating over components, skip anonymous subtypes created for
constrained array components.
From-SVN: r228896
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