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'main': Enable fallback to the 'arg0' style.

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This commit is contained in:
Daniel Shahaf 2016-08-20 09:31:13 +00:00
parent b4537a972e
commit bccc3dc269
2 changed files with 67 additions and 6 deletions
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33
highlighters/main/main-highlighter.zsh
View file

@ -32,17 +32,11 @@
: ${ZSH_HIGHLIGHT_STYLES[default]:=none}
: ${ZSH_HIGHLIGHT_STYLES[unknown-token]:=fg=red,bold}
: ${ZSH_HIGHLIGHT_STYLES[reserved-word]:=fg=yellow}
: ${ZSH_HIGHLIGHT_STYLES[alias]:=fg=green}
: ${ZSH_HIGHLIGHT_STYLES[suffix-alias]:=fg=green,underline}
: ${ZSH_HIGHLIGHT_STYLES[builtin]:=fg=green}
: ${ZSH_HIGHLIGHT_STYLES[function]:=fg=green}
: ${ZSH_HIGHLIGHT_STYLES[command]:=fg=green}
: ${ZSH_HIGHLIGHT_STYLES[precommand]:=fg=green,underline}
: ${ZSH_HIGHLIGHT_STYLES[commandseparator]:=none}
: ${ZSH_HIGHLIGHT_STYLES[hashed-command]:=fg=green}
: ${ZSH_HIGHLIGHT_STYLES[path]:=underline}
: ${ZSH_HIGHLIGHT_STYLES[path_pathseparator]:=}
: ${ZSH_HIGHLIGHT_STYLES[path_prefix]:=underline}
: ${ZSH_HIGHLIGHT_STYLES[path_prefix_pathseparator]:=}
: ${ZSH_HIGHLIGHT_STYLES[globbing]:=fg=blue}
: ${ZSH_HIGHLIGHT_STYLES[history-expansion]:=fg=blue}
@ -72,6 +66,33 @@ _zsh_highlight_main_add_region_highlight() {
integer start=$1 end=$2
shift 2
if (( $+argv[2] )); then
# Caller specified inheritance explicitly.
else
# Automate inheritance.
typeset -A fallback_of; fallback_of=(
alias arg0
suffix-alias arg0
builtin arg0
function arg0
command arg0
precommand arg0
hashed-command arg0
path_prefix path
# The path separator fallback won't ever be used, due to the optimisation
# in _zsh_highlight_main_highlighter_highlight_path_separators().
path_pathseparator path
path_prefix_pathseparator path_prefix
)
local needle=$1 value
while [[ -n ${value::=$fallback_of[$needle]} ]]; do
unset "fallback_of[$needle]" # paranoia against infinite loops
argv+=($value)
needle=$value
done
fi
# The calculation was relative to $PREBUFFER$BUFFER, but region_highlight is
# relative to $BUFFER.
(( start -= $#PREBUFFER ))

40
highlighters/main/test-data/inheritance.zsh Normal file
View file

@ -0,0 +1,40 @@
#!/usr/bin/env zsh
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2016 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
# -------------------------------------------------------------------------------------------------
_zsh_highlight_add_highlight()
{
region_highlight+=("$1 $2 ${(j.,.)argv[3,-1]}")
}
BUFFER='type'
expected_region_highlight=(
'1 4 builtin,arg0' # type
)