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Date: Thu, 16 Apr 2020 03:07:51 -0700 (PDT)
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Subject: Detect arithmetic operator usage for user-defined integer type
From: gautier_niouzes@hotmail.com
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Xref: reader01.eternal-september.org comp.lang.ada:58369
Date: 2020-04-16T03:07:51-07:00
List-Id: <comp.lang.ada>

In a project I'm reworking, there is a type

  type Opcode is range 0 .. 79;

associated with values:

  k_Load_Address                  : constant :=3D 0;
  k_Push_Value                    : constant :=3D 1;
  ...

I'd like to define Opcode as an enumerated type:

  type Opcode is (k_Load_Address, k_Push_Value, ...);

The problem is that there are, in some places in the legacy code, arithmeti=
c operations on Opcode values (ouch!). Is there a tool able to list those o=
perations for the custom type Opcode, other than defining Opcode as enumera=
ted and let the compiler find the arithmetic operations to be removed? Prob=
ably it's what I'll do ultimately, but maybe such a detection could be usef=
ul in another context.

TIA
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