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make _zsh_highlight nounset-able

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Signed-off-by: Takeshi Banse <takebi@laafc.net>
This commit is contained in:
Takeshi Banse 2011-08-24 14:08:58 +09:00
parent 26f30697ea
commit 9706996d3b
1 changed files with 5 additions and 4 deletions
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9
zsh-syntax-highlighting.zsh
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@ -49,7 +49,7 @@ _zsh_highlight()
# Do not highlight if there are more than 300 chars in the buffer. It's most
# likely a pasted command or a huge list of files in that case..
[[ -n $ZSH_HIGHLIGHT_MAXLENGTH ]] && [[ $#BUFFER -gt $ZSH_HIGHLIGHT_MAXLENGTH ]] && return $ret
[[ -n ${ZSH_HIGHLIGHT_MAXLENGTH:-} ]] && [[ $#BUFFER -gt $ZSH_HIGHLIGHT_MAXLENGTH ]] && return $ret
# Do not highlight if there are pending inputs (copy/paste).
[[ $PENDING -gt 0 ]] && return $ret
@ -69,7 +69,8 @@ _zsh_highlight()
# Remove what was stored in its cache from region_highlight.
cache_place="_zsh_highlight_${highlighter}_highlighter_cache"
[[ ${#${(P)cache_place}} -gt 0 ]] && region_highlight=(${region_highlight:#(${(P~j.|.)cache_place})})
typeset -ga ${cache_place}
[[ ${#${(P)cache_place}} -gt 0 ]] && [[ ! -z ${region_highlight-} ]] && region_highlight=(${region_highlight:#(${(P~j.|.)cache_place})})
fi
done
@ -82,7 +83,7 @@ _zsh_highlight()
{
"_zsh_highlight_${highlighter}_highlighter"
} always {
: ${(PA)cache_place::=${region_highlight:#(${(~j.|.)region_highlight_copy})}}
[[ ! -z ${region_highlight-} ]] && : ${(PA)cache_place::=${region_highlight:#(${(~j.|.)region_highlight_copy})}}
}
done
@ -114,7 +115,7 @@ _zsh_highlight_buffer_modified()
# Returns 0 if the cursor has moved since _zsh_highlight was last called.
_zsh_highlight_cursor_moved()
{
[[ -n $CURSOR ]] && [[ -n $_ZSH_HIGHLIGHT_PRIOR_CURSOR ]] && (($_ZSH_HIGHLIGHT_PRIOR_CURSOR != $CURSOR))
[[ -n $CURSOR ]] && [[ -n ${_ZSH_HIGHLIGHT_PRIOR_CURSOR-} ]] && (($_ZSH_HIGHLIGHT_PRIOR_CURSOR != $CURSOR))
}