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Support literal newlines, part 2

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This commit is contained in:
Daniel Shahaf 2015-09-02 08:28:03 +00:00
parent 52ece975c3
commit c2b9327b07
2 changed files with 22 additions and 26 deletions
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36
highlighters/main/main-highlighter.zsh
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@ -102,28 +102,24 @@ _zsh_highlight_main_highlighter()
local substr_color=0
local style_override=""
[[ $start_pos -eq 0 && $arg = 'noglob' ]] && highlight_glob=false
# advance $start_pos, skipping over whitespace in $buf.
((start_pos+=${#buf[$start_pos+1,-1]}-${#${buf[$start_pos+1,-1]##([[:space:]]|\\[[:space:]])#}}))
((end_pos=$start_pos+${#arg}))
# Deal with faked colons.
#
# We can't use the (Z+n+) flag because that elides the end-of-command
# token altogether, so 'echo foo\necho bar' (two commands) becomes
# indistinguishable from 'echo foo echo bar' (one command with three
# words for arguments).
# advance $start_pos, skipping over whitespace in $buf.
if [[ $arg == ';' ]] ; then
if [[ $buf[start_pos+1] == ';' ]] ; then
# Literally-input colon. That's the normal case.
elif [[ $buf[start_pos] == $'\n' ]] ; then
# Newline token rendered as a colon. Empirically we're off-by-one.
(( start_pos -= 1 ))
(( end_pos -= 1 ))
else
# Currently, there aren't any other sources of ";" (SEPER) tokens
# besides literally-input semicolons and (Z+n+)-converted newlines,
# If that ever changes, handle them here.
fi
# We're looking for either a semicolon or a newline, whichever comes
# first. Both of these are rendered as a ";" (SEPER) by the ${(z)..}
# flag.
#
# We can't use the (Z+n+) flag because that elides the end-of-command
# token altogether, so 'echo foo\necho bar' (two commands) becomes
# indistinguishable from 'echo foo echo bar' (one command with three
# words for arguments).
local needle=$'[;\n]'
integer offset=${${buf[start_pos+1,-1]}[(i)$needle]}
(( start_pos += offset ))
(( end_pos += offset ))
else
((start_pos+=${#buf[$start_pos+1,-1]}-${#${buf[$start_pos+1,-1]##([[:space:]]|\\[[:space:]])#}}))
((end_pos=$start_pos+${#arg}))
fi
# Parse the sudo command line

12
highlighters/main/test-data/vanilla-newline.zsh
View File

@ -29,12 +29,12 @@
# -------------------------------------------------------------------------------------------------
PREBUFFER=$'echo foo; echo bar\n\n\n'
BUFFER='echo baz; echo qux'
BUFFER=' echo baz; echo qux'
expected_region_highlight=(
"0 4 $ZSH_HIGHLIGHT_STYLES[builtin]" # echo
"5 7 $ZSH_HIGHLIGHT_STYLES[default]" # baz
"8 9 $ZSH_HIGHLIGHT_STYLES[default]" # semicolon
"11 14 $ZSH_HIGHLIGHT_STYLES[builtin]" # echo
"16 18 $ZSH_HIGHLIGHT_STYLES[default]" # qux
"1 5 $ZSH_HIGHLIGHT_STYLES[builtin]" # echo
"6 8 $ZSH_HIGHLIGHT_STYLES[default]" # baz
"9 10 $ZSH_HIGHLIGHT_STYLES[default]" # semicolon
"12 15 $ZSH_HIGHLIGHT_STYLES[builtin]" # echo
"17 19 $ZSH_HIGHLIGHT_STYLES[default]" # qux
)