stonewareslord/zsh-syntax-highlighting
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'main': Support parameter elision in command position.

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This commit is contained in:
Daniel Shahaf 2020-01-12 18:57:57 +00:00
parent fdf682a2f9
commit 8feb06a022
2 changed files with 56 additions and 6 deletions
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16
highlighters/main/main-highlighter.zsh
View File

@ -656,6 +656,7 @@ _zsh_highlight_main_highlighter_highlight_list()
local MATCH; integer MBEGIN MEND
local parameter_name
local -a words
integer elision_is_happening
if [[ $arg[1] == '$' ]] && [[ ${arg[2]} == '{' ]] && [[ ${arg[-1]} == '}' ]]; then
parameter_name=${${arg:2}%?}
elif [[ $arg[1] == '$' ]]; then
@ -663,24 +664,37 @@ _zsh_highlight_main_highlighter_highlight_list()
fi
if [[ $res == none ]] && zmodload -e zsh/parameter &&
[[ ${parameter_name} =~ ^${~parameter_name_pattern}$ ]] &&
(( ${+parameters[(e)${MATCH}]} )) && [[ ${parameters[(e)$MATCH]} != *special* ]]
[[ ${parameters[(e)$MATCH]} != *special* ]]
then
# Set $arg and update $res.
case ${(tP)MATCH} in
(*array*|*assoc*)
words=( ${(P)MATCH} )
elision_is_happening=$(( $#words == 0 ))
;;
("")
# not set
words=( )
elision_is_happening=1
;;
(*)
# scalar, presumably
words=( ${(P)MATCH} )
elision_is_happening=$(( $#words == 0 ))
;;
esac
if (( elision_is_happening )); then
(( ++in_redirection ))
_zsh_highlight_main_add_region_highlight $start_pos $end_pos comment
continue
else
(( in_param = 1 + $#words ))
args=( $words $args )
arg=$args[1]
_zsh_highlight_main__type "$arg" 0
res=$REPLY
fi
fi
}
# Parse the sudo command line

36
highlighters/main/test-data/parameter-elision-command-word.zsh Normal file
View File

@ -0,0 +1,36 @@
#!/usr/bin/env zsh
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2020 zsh-syntax-highlighting contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted
# provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this list of conditions
# and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice, this list of
# conditions and the following disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
# may be used to endorse or promote products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# -------------------------------------------------------------------------------------------------
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# -------------------------------------------------------------------------------------------------
BUFFER='$x ls'
expected_region_highlight=(
'1 2 comment' # $x
'4 5 command' # ls
)