[New-bugs-announce] [issue19184] dis module has incorrect docs for RAISE_VARARGS

Ned Batchelder report at bugs.python.org
Sun Oct 6 18:46:52 CEST 2013

New submission from Ned Batchelder:

The order of values on the stack is backwards for RAISE_VARARGS.  The docs say:

"Raises an exception. argc indicates the number of parameters to the raise statement, ranging from 0 to 3. The handler will find the traceback as TOS2, the parameter as TOS1, and the exception as TOS."

But in fact, the order is reverse of that.  In the one-parameter case, the exception is TOS, in the two-parameter case, the value is TOS, and in the three-parameter case, the traceback is TOS.  Not sure how to write that concisely, thought.  :)

assignee: docs at python
components: Documentation
keywords: easy
messages: 199096
nosy: docs at python, nedbat
priority: normal
severity: normal
status: open
title: dis module has incorrect docs for RAISE_VARARGS
versions: Python 2.7, Python 3.4

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