55 lines
967 B
Plaintext
55 lines
967 B
Plaintext
== Why is this an issue?
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Nested ``++CASxx++``, ``++DO++``, ``++DOU++``, ``++DOW++``, ``++DOUxx++``, ``++DOWxx++``, ``++FOR++``, ``++IF++``, ``++IFxx++``, ``++MONITOR++`` and ``++SELECT++`` statements is a key ingredient for making what's known as "Spaghetti code".
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Such code is hard to read, refactor and therefore maintain.
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=== Noncompliant code example
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With the default threshold of 3:
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[source,rpg]
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----
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IF A <> B
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IF B <> C
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DOW B <> A
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IF A <> D
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...
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ENDIF
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ENDDO
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ENDIF
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ENDIF
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----
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[source,rpg]
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----
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if a <> b;
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if b <> c;
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dow b <> a;
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if a <> d;
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...
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endif;
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enddo;
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endif;
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endif;
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----
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::../message.adoc[]
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include::../parameters.adoc[]
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include::../highlighting.adoc[]
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'''
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== Comments And Links
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(visible only on this page)
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include::../comments-and-links.adoc[]
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endif::env-github,rspecator-view[]
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