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zsh-syntax-highlighting
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'main': Implement simple command type cache

This commit is contained in:
m0viefreak 2016-03-29 01:33:00 +02:00
parent 12b879caf7
commit 3b67e656bf
1 changed files with 27 additions and 0 deletions
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27
highlighters/main/main-highlighter.zsh
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@ -89,6 +89,12 @@ _zsh_highlight_main_add_region_highlight() {
#
# The result will be stored in REPLY.
_zsh_highlight_main__type() {
if (( $+_zsh_highlight_main__command_type_cache )); then
REPLY=$_zsh_highlight_main__command_type_cache[(e)$1]
if [[ -n "$REPLY" ]]; then
return
fi
fi
if (( $#options_to_set )); then
setopt localoptions $options_to_set;
fi
@ -113,6 +119,9 @@ _zsh_highlight_main__type() {
if ! (( $+REPLY )); then
REPLY="${$(LC_ALL=C builtin type -w -- $1 2>/dev/null)#*: }"
fi
if (( $+_zsh_highlight_main__command_type_cache )); then
_zsh_highlight_main__command_type_cache[(e)$1]=$REPLY
fi
}
# Check whether the first argument is a redirection operator token.
@ -662,3 +671,21 @@ _zsh_highlight_main_highlighter_expand_path()
unset REPLY
: ${REPLY:=${(Q)~1}}
}
# -------------------------------------------------------------------------------------------------
# Main highlighter initialization
# -------------------------------------------------------------------------------------------------
_zsh_highlight_main__precmd_hook() {
_zsh_highlight_main__command_type_cache=()
}
autoload -U add-zsh-hook
if add-zsh-hook precmd _zsh_highlight_main__precmd_hook 2>/dev/null; then
# Initialize command type cache
typeset -gA _zsh_highlight_main__command_type_cache
else
echo 'zsh-syntax-highlighting: Failed to load add-zsh-hook. Some speed optimizations will not be used.' >&2
# Make sure the cache is unset
unset _zsh_highlight_main__command_type_cache
fi