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Status Not under consideration
Workspace PL/I Compilers
Created by Guest
Created on Aug 12, 2019

RELATED IDEAS

Compiler warning for active CICS HANDLE CONDITION on exit from procedure

If a procedure establishes a CICS HANDLE CONDITION but returns before doing an IGNORE CONDITION, the raising of a subsequent condition may result in an attempt to transfer control to the now inactive procedure. This leads to "unpredictable results" that are difficult to track down, needing potentially significant dump analysis to resolve.

Idea priority Medium
  • Guest
    Reply
    |     May 21, 2020

    The comment from the RFE community is appropriate. Users should not code this. We have recently added code to the compile to flag its usage under RULES(NOGOTO). But accurately detecting the lack of an IGNORE CONDITION is difficult and not the best use of our limited development time. Users should heed the RULES(NOGOTO) message and clean up the code

  • Guest
    Reply
    |     Aug 30, 2019

    We may fulfill this RFE by flagging any use of EXEC CICS HANDLE and suggest that it be replaced by a test of EIBRESP

  • Guest
    Reply
    |     Aug 13, 2019

    The customer should *NOT* be using EXEC CICS HANDLE, but code their request with the NOHANDLE option and follow that with a SELECT(EIBRESP)/WHEN/WHEN/WHEN/OTHER statement to provide a structured handling of the unexpected condition!!!

    EXEC CICS HANDLE (and that other abomination, EXEC SQL WHENEVER) are in essence GOTO statements, and as any programmer worth his or her salt should know, GOTO statements were already deemed harmful in more than 60 years ago, in 1968 in Edsger Dijkstra's letter "Go To Statement Considered Harmful", see http://www.cs.utexas.edu/users/EWD/ewd02xx/EWD215.PDF

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