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Status Delivered
Workspace PL/I Compilers
Created by Guest
Created on Jul 5, 2016

RELATED IDEAS

Undiagnosed implicit returns from functions, PLI 4.5

In the below code, the problem is with the Otherwise.

In PLI 4.3, it does not give the correct output and also it does not give any Runt time error.

But in PLI 4.5, it gives the runtime error. Applications which were running smoothly in PLI 4.3 are failing with PLI 4.5, because of this.

It would be great if, we get a compile time error instead of a runtime. So that applications don't fail at runtime.

Output = Funciotn_A();

Funciotn_A: Proc returns(char(1));

Select(input);
when ('A')
return('A');
when ('B')
return('B');
when ('C')
return('C');
Otherwise ;
End;

End Funciotn_A;

Idea priority High
  • Guest
    Reply
    |     Aug 29, 2017

    this was delivered as part of 5.2

  • Guest
    Reply
    |     Nov 17, 2016

    Ideally, functions should have one point of return:

    Output = Funciotn_A();

    Funciotn_A: Proc returns(char(1));

    Declare
    return_value char(1) init(' ');

    Select(input);
    when ('A')
    return_value = 'A';
    when ('B')
    return_value = 'B';
    when ('C')
    return_value = 'C';
    Otherwise ;
    End;

    return(return_value);

    End Funciotn_A;

  • Guest
    Reply
    |     Sep 26, 2016

    we can do this with little cost to compile time, and it will help detect erroneous and/or dead code

  • Guest
    Reply
    |     Jul 21, 2016

    this would be good, but could potentially have a significant impact on compile time. We will investigate its feasibility

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