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Don't highlight prefix redirections as error

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Fixes zsh-users/zsh-syntax-highlighting#146
This commit is contained in:
Daniel Shahaf 2015-01-28 14:02:35 +00:00
parent 3dc5741900
commit 359d48bf78
2 changed files with 49 additions and 2 deletions
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12
highlighters/main/main-highlighter.zsh
View file

@ -66,6 +66,7 @@ _zsh_highlight_main_highlighter()
emulate -L zsh
setopt localoptions extendedglob bareglobqual
local start_pos=0 end_pos highlight_glob=true new_expression=true arg style sudo=false sudo_arg=false
local redirection=false # true when we've seen a redirection operator before seeing the command word
typeset -a ZSH_HIGHLIGHT_TOKENS_COMMANDSEPARATOR
typeset -a ZSH_HIGHLIGHT_TOKENS_PRECOMMANDS
typeset -a ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS
@ -104,7 +105,7 @@ _zsh_highlight_main_highlighter()
;;
esac
fi
if $new_expression; then
if $new_expression && ! $redirection; then # $arg is the command word
new_expression=false
if [[ -n ${(M)ZSH_HIGHLIGHT_TOKENS_PRECOMMANDS:#"$arg"} ]]; then
style=$ZSH_HIGHLIGHT_STYLES[precommand]
@ -130,13 +131,20 @@ _zsh_highlight_main_highlighter()
style=$ZSH_HIGHLIGHT_STYLES[path]
elif [[ $arg[0,1] == $histchars[0,1] || $arg[0,1] == $histchars[2,2] ]]; then
style=$ZSH_HIGHLIGHT_STYLES[history-expansion]
elif [[ $arg[1] == '<' || $arg[1] == '>' ]]; then
style=$ZSH_HIGHLIGHT_STYLE[redirection]
redirection=true
else
style=$ZSH_HIGHLIGHT_STYLES[unknown-token]
fi
;;
esac
fi
else
else # $arg is the file target of a prefix redirection, or a non-command word
if $redirection; then
redirection=false
new_expression=true
fi
case $arg in
'--'*) style=$ZSH_HIGHLIGHT_STYLES[double-hyphen-option];;
'-'*) style=$ZSH_HIGHLIGHT_STYLES[single-hyphen-option];;

39
highlighters/main/test-data/prefix-redirection.zsh Normal file
View file

@ -0,0 +1,39 @@
#!/usr/bin/env zsh
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2010-2011 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='>/tmp >/tmp sudo echo foo'
expected_region_highlight=(
"2 5 $ZSH_HIGHLIGHT_STYLES[path]" # /tmp
"7 11 $ZSH_HIGHLIGHT_STYLES[path]" # /tmp
"13 16 $ZSH_HIGHLIGHT_STYLES[precommand]" # sudo
"18 21 $ZSH_HIGHLIGHT_STYLES[builtin]" # echo
"23 25 $ZSH_HIGHLIGHT_STYLES[default]" # foo
)