errata/325: 12.4 confused on hierarchy for automatics

From: sharp@cadence.com
Date: Thu Apr 10 2003 - 17:09:43 PDT

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    >Number: 325
    >Category: errata
    >Originator: sharp@cadence.com
    >Environment:

    >Description:

    12.4 has some confused statements about hierarchical names
    and automatic tasks and functions. The second paragraph
    states

    "Only non-recursively referenced automatic tasks and/or
    functions create visible branches that can be referenced.
    Recursively called tasks and functions, declared using the
    automatic keyword and recursively called from within the
    same task or function, do not create visible branches that
    can be referenced."

    It is irrelevant whether a task or function is called
    recursively (and this text only describes direct recursion
    anyway, not indirect recursion or non-recursive reentrance).
    If it is automatic, its variables cannot be accessed via
    hierarchical names, period (see 10.2 and 10.3.1).

    I don't know what this text was trying to describe, but
    it isn't doing it correctly.

    The end of the fourth paragraph has the text:

    "with the exception of items of automatic tasks and
    automatic task item declarations. These declarations can
    not be accessed by their hierarchical names."

    I don't know what the difference is supposed to be between
    "items of automatic tasks" and "automatic task item
    declarations". Maybe I am missing some distinction in the
    terminology, but it looks redundant to me. Meanwhile it
    doesn't mention automatic functions.

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