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Fix some _hl_string issues:

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- Avoid unset variable warning at $arg[0].
- Fix highlighting of "\$" and "\\".
- Tweak the code style a bit.
This commit is contained in:
Wayne Davison 2010-12-30 09:58:20 -08:00
parent 030cabee59
commit 6a3bbe72da
1 changed files with 13 additions and 11 deletions
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24
zsh-syntax-highlighting.zsh
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@ -74,19 +74,21 @@ _zsh_check-path() {
# Highlight special chars inside double-quoted strings # Highlight special chars inside double-quoted strings
_zsh_highlight-string() { _zsh_highlight-string() {
local i setopt localoptions noksharrays
local j local i j k style
local k # Starting quote is at 1, so start parsing at offset 2 in the string.
local c for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
for (( i = 0 ; i < end_pos - start_pos ; i += 1 )) ; do
(( j = i + start_pos - 1 )) (( j = i + start_pos - 1 ))
(( k = j + 1 )) (( k = j + 1 ))
c="$arg[$i]" case "$arg[$i]" in
[[ "$c" = '$' ]] && region_highlight+=("$j $k $ZSH_SYNTAX_HIGHLIGHTING_STYLES[dollar-double-quoted-argument]") '$') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[dollar-double-quoted-argument];;
if [[ "$c" = "\\" ]] ; then "\\") style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-double-quoted-argument]
(( k = k + 1 )) (( k += 1 )) # Color following char too.
region_highlight+=("$j $k $ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-double-quoted-argument]") (( i += 1 )) # Skip parsing the escaped char.
fi ;;
*) continue;;
esac
region_highlight+=("$j $k $style")
done done
} }