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In-reply-to: <140901140202.ZM14612@torch.brasslantern.com>
From: Oliver Kiddle <okiddle@yahoo.co.uk>
References: <20140826174029.6478ee3a@pwslap01u.europe.root.pri> <20140826181055.59c99bdc@pwslap01u.europe.root.pri> <20140829171605.7bdac33b@pwslap01u.europe.root.pri> <140901140202.ZM14612@torch.brasslantern.com>
To: "Zsh Hackers' List" <zsh-workers@zsh.org>
Subject: Re: PATCH: evaluation depth in prompts
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Content-ID: <17097.1409701984.1@thecus.kiddle.eu>
Date: Wed, 03 Sep 2014 01:53:04 +0200
Message-ID: <17098.1409701984@thecus.kiddle.eu>

Bart wrote:

> Here's a related idea/suggestion which adds indentation to the output
> of _complete_debug.  There's no convenient way to produce ${(%):-%e}

Seems a useful idea and at worst, horizontally scrolling get used when
viewing the output.

> If completion goes more than 20 function calls deep there's probably
> something wrong anyway.

Or if it does, then it doesn't especially matter that indentation simply
stops at this limit: it's arguably a feature rather than a limitation.

> I couldn't decide whether to put the indentation after the leading "+"
> or before it.  This has it before.

When viewing _complete_debug output, I nearly always use the less
feature to filter lines using &pattern, often using a pattern such as
\+_expand to filter by a particular function. With that in mind,
indentation before is more helpful.

> +  local -a debug_indent; debug_indent=( '%'{3..20}'(e. .)' )
> +  local PROMTP4 PS4="${(j::)debug_indent}+%N:%i> "

Note the typo for PROMPT4.

Oliver