452 lines
15 KiB
Plaintext
452 lines
15 KiB
Plaintext
declare-option \
|
|
-docstring %{
|
|
The shell command used by lint-buffer and lint-selections.
|
|
|
|
It will be given the path to a file containing the text to be
|
|
linted, and must produce output in the format:
|
|
|
|
{filename}:{line}:{column}: {kind}: {message}
|
|
|
|
If the 'kind' field contains 'error', the message is treated
|
|
as an error, otherwise it is assumed to be a warning.
|
|
} \
|
|
str lintcmd
|
|
|
|
declare-option -hidden line-specs lint_flags
|
|
declare-option -hidden line-specs lint_messages
|
|
declare-option -hidden int lint_error_count
|
|
declare-option -hidden int lint_warning_count
|
|
|
|
define-command \
|
|
-hidden \
|
|
-params 1 \
|
|
-docstring %{
|
|
lint-cleaned-selections <linter>: Check each selection with <linter>.
|
|
|
|
Assumes selections all have anchor before cursor, and that
|
|
%val{selections} and %val{selections_desc} are in the same order.
|
|
} \
|
|
lint-cleaned-selections \
|
|
%{
|
|
# Clear the current contents of the various options.
|
|
set-option buffer lint_flags %val{timestamp}
|
|
set-option buffer lint_messages %val{timestamp}
|
|
set-option buffer lint_error_count 0
|
|
set-option buffer lint_warning_count 0
|
|
|
|
# Create a temporary directory to keep all our state.
|
|
evaluate-commands %sh{
|
|
# This is going to come in handy later.
|
|
kakquote() { printf "%s" "$*" | sed "s/'/''/g; 1s/^/'/; \$s/\$/'/"; }
|
|
|
|
# Before we clobber our arguments,
|
|
# let's record the lintcmd we were given.
|
|
lintcmd="$1"
|
|
|
|
# Some linters care about the name or extension
|
|
# of the file being linted, so we'll store the text we want to lint
|
|
# in a file with the same name as the original buffer.
|
|
filename="${kak_buffile##*/}"
|
|
|
|
# A directory to keep all our temporary data.
|
|
dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-lint.XXXXXXXX)
|
|
|
|
# A fifo to send the results back to a Kakoune buffer.
|
|
# FIXME: Should we put the lint output in toolsclient?
|
|
mkfifo "$dir"/fifo
|
|
printf '%s\n' "evaluate-commands -draft %{
|
|
edit! -fifo $(kakquote "$dir/fifo") -debug *lint-output*
|
|
set-option buffer filetype make
|
|
set-option buffer make_current_error_line 0
|
|
}"
|
|
|
|
# Write all the selection descriptions to files.
|
|
eval set -- "$kak_selections_desc"
|
|
i=0
|
|
for desc; do
|
|
mkdir -p "$dir"/sel-"$i"
|
|
printf "%s" "$desc" > "$dir"/sel-$i/desc
|
|
i=$(( i + 1 ))
|
|
done
|
|
|
|
# Write all the selection contents to files.
|
|
eval set -- "$kak_quoted_selections"
|
|
i=0
|
|
for text; do
|
|
# The selection text needs to be stored in a subdirectory,
|
|
# so we can be sure the filename won't clash with one of ours.
|
|
mkdir -p "$dir"/sel-"$i"/text/
|
|
printf "%s" "$text" > "$dir"/sel-$i/text/"$filename"
|
|
i=$(( i + 1 ))
|
|
done
|
|
|
|
# We do redirection trickiness to record stderr from
|
|
# this background task and route it back to Kakoune,
|
|
# but shellcheck isn't a fan.
|
|
# shellcheck disable=SC2094
|
|
({ # do the parsing in the background and when ready send to the session
|
|
|
|
for selpath in "$dir"/sel-*; do
|
|
# Read in the line and column offset of this selection.
|
|
IFS=".," read -r start_line start_byte _ < "$selpath"/desc
|
|
|
|
# Run the linter, and record the exit-code.
|
|
eval "$lintcmd '$selpath/text/$filename'" |
|
|
sort -t: -k2,2 -n |
|
|
awk \
|
|
-v line_offset=$(( start_line - 1 )) \
|
|
-v first_line_byte_offset=$(( start_byte - 1 )) \
|
|
'
|
|
BEGIN { OFS=":"; FS=":" }
|
|
|
|
/:[1-9][0-9]*:[1-9][0-9]*:/ {
|
|
$1 = ENVIRON["kak_bufname"]
|
|
if ( $2 == 1 ) {
|
|
$3 += first_line_byte_offset
|
|
}
|
|
$2 += line_offset
|
|
print $0
|
|
}
|
|
' >>"$dir"/result
|
|
done
|
|
|
|
# Load all the linter messages into Kakoune options.
|
|
# Inside this block, shellcheck warns us that the shell doesn't
|
|
# need backslash-continuation chars in a single-quoted string,
|
|
# but awk still needs them.
|
|
# shellcheck disable=SC1004
|
|
awk -v file="$kak_buffile" -v client="$kak_client" '
|
|
function kakquote(text) {
|
|
# \x27 is apostrophe, escaped for shell-quoting reasons.
|
|
gsub(/\x27/, "\x27\x27", text)
|
|
return "\x27" text "\x27"
|
|
}
|
|
|
|
BEGIN {
|
|
OFS=":"
|
|
FS=":"
|
|
error_count = 0
|
|
warning_count = 0
|
|
}
|
|
|
|
/:[1-9][0-9]*:[1-9][0-9]*:/ {
|
|
# Remember that an error or a warning occurs on this line..
|
|
if ($4 ~ /[Ee]rror/) {
|
|
# We definitely have an error on this line.
|
|
flags_by_line[$2] = "{Error}x"
|
|
error_count++
|
|
} else if (flags_by_line[$2] ~ /Error/) {
|
|
# We have a warning on this line,
|
|
# but we already have an error, so do nothing.
|
|
warning_count++
|
|
} else {
|
|
# We have a warning on this line,
|
|
# and no previous error.
|
|
flags_by_line[$2] = "{Information}!"
|
|
warning_count++
|
|
}
|
|
|
|
# The message starts with the severity indicator.
|
|
msg = substr($4, 2)
|
|
|
|
# fix case where $5 is not the last field
|
|
# because of extra colons in the message
|
|
for (i=5; i<=NF; i++) msg = msg ":" $i
|
|
|
|
# Mention the column where this problem occurs,
|
|
# so that information is not lost.
|
|
msg = msg "(col " $3 ")"
|
|
|
|
# Messages will be stored in a line-specs option,
|
|
# and each record in the option uses "|"
|
|
# as a field delimiter, so we need to escape them.
|
|
gsub(/\|/, "\\|", msg)
|
|
|
|
if ($2 in messages_by_line) {
|
|
# We already have a message on this line,
|
|
# so append our new message.
|
|
messages_by_line[$2] = messages_by_line[$2] "\n" msg
|
|
} else {
|
|
# A brand-new message on this line.
|
|
messages_by_line[$2] = msg
|
|
}
|
|
}
|
|
|
|
END {
|
|
for (line in flags_by_line) {
|
|
flag = flags_by_line[line]
|
|
|
|
print "set-option -add " \
|
|
kakquote("buffer=" file) " " \
|
|
"lint_flags " \
|
|
kakquote(line "|" flag)
|
|
}
|
|
|
|
for (line in messages_by_line) {
|
|
msg = messages_by_line[line]
|
|
|
|
print "set-option -add " \
|
|
kakquote("buffer=" file) " " \
|
|
"lint_messages " \
|
|
kakquote(line "|" msg)
|
|
}
|
|
|
|
print "set-option " \
|
|
kakquote("buffer=" file) " " \
|
|
"lint_error_count " \
|
|
error_count
|
|
print "set-option " \
|
|
kakquote("buffer=" file) " " \
|
|
"lint_warning_count " \
|
|
warning_count
|
|
}
|
|
' "$dir"/result | kak -p "$kak_session"
|
|
|
|
# Send any linting errors to the debug buffer,
|
|
# for visibility.
|
|
if [ -s "$dir"/stderr ]; then
|
|
# Errors were detected!"
|
|
printf "echo -debug Linter errors: <<<\n"
|
|
while read -r LINE; do
|
|
printf "echo -debug %s\n" "$(kakquote " $LINE")"
|
|
done < "$dir"/stderr
|
|
printf "echo -debug >>>\n"
|
|
# FIXME: When #3254 is fixed, this can become a "fail"
|
|
printf "eval -client %s echo -markup {Error}%s\n" \
|
|
"$kak_client" \
|
|
"lint failed, see *debug* for details"
|
|
else
|
|
# No errors detected, show the results.
|
|
printf "eval -client %s lint-show-counters" \
|
|
"$kak_client"
|
|
fi | kak -p "$kak_session"
|
|
|
|
# We are done here. Send the results to Kakoune,
|
|
# and clean up.
|
|
cat "$dir"/result > "$dir"/fifo
|
|
rm -rf "$dir"
|
|
|
|
} & ) >"$dir"/stderr 2>&1 </dev/null
|
|
}
|
|
}
|
|
|
|
define-command \
|
|
-params 0..2 \
|
|
-docstring %{
|
|
lint-selections [<switches>]: Check each selection with a linter.
|
|
|
|
Switches:
|
|
-command <cmd> Use the given linter.
|
|
If not given, the lintcmd option is used.
|
|
} \
|
|
lint-selections \
|
|
%{
|
|
evaluate-commands -draft %{
|
|
# Make sure all the selections are "forward" (anchor before cursor)
|
|
execute-keys <a-:>
|
|
|
|
# Make sure the selections are in document order.
|
|
evaluate-commands %sh{
|
|
printf "select "
|
|
printf "%s\n" "$kak_selections_desc" |
|
|
tr ' ' '\n' |
|
|
sort -n -t. |
|
|
tr '\n' ' '
|
|
}
|
|
|
|
evaluate-commands %sh{
|
|
# This is going to come in handy later.
|
|
kakquote() { printf "%s" "$*" | sed "s/'/''/g; 1s/^/'/; \$s/\$/'/"; }
|
|
|
|
if [ "$1" = "-command" ]; then
|
|
if [ -z "$2" ]; then
|
|
echo 'fail -- -command option requires a value'
|
|
exit 1
|
|
fi
|
|
lintcmd="$2"
|
|
elif [ -n "$1" ]; then
|
|
echo "fail -- Unrecognised parameter $(kakquote "$1")"
|
|
exit 1
|
|
elif [ -z "${kak_opt_lintcmd}" ]; then
|
|
echo 'fail The lintcmd option is not set'
|
|
exit 1
|
|
else
|
|
lintcmd="$kak_opt_lintcmd"
|
|
fi
|
|
|
|
printf 'lint-cleaned-selections %s\n' "$(kakquote "$lintcmd")"
|
|
}
|
|
}
|
|
}
|
|
|
|
define-command \
|
|
-docstring %{
|
|
lint-buffer: Check the current buffer with a linter.
|
|
|
|
Set the lintcmd option to control which linter is used.
|
|
} \
|
|
lint-buffer \
|
|
%{
|
|
evaluate-commands -draft %{
|
|
execute-keys '%'
|
|
lint-cleaned-selections %opt{lintcmd}
|
|
}
|
|
}
|
|
|
|
alias global lint lint-buffer
|
|
|
|
define-command -hidden lint-show %{
|
|
update-option buffer lint_messages
|
|
evaluate-commands %sh{
|
|
# This is going to come in handy later.
|
|
kakquote() { printf "%s" "$*" | sed "s/'/''/g; 1s/^/'/; \$s/\$/'/"; }
|
|
|
|
eval set -- "${kak_quoted_opt_lint_messages}"
|
|
shift # skip the timestamp
|
|
|
|
while [ $# -gt 0 ]; do
|
|
lineno=${1%%|*}
|
|
msg=${1#*|}
|
|
|
|
if [ "$lineno" -eq "$kak_cursor_line" ]; then
|
|
printf "info -anchor %d.%d %s\n" \
|
|
"$kak_cursor_line" \
|
|
"$kak_cursor_column" \
|
|
"$(kakquote "$msg")"
|
|
break
|
|
fi
|
|
shift
|
|
done
|
|
}
|
|
}
|
|
|
|
define-command -hidden lint-show-counters %{
|
|
echo -markup "linting results: {Error} %opt{lint_error_count} error(s) {Information} %opt{lint_warning_count} warning(s) "
|
|
}
|
|
|
|
define-command lint-enable -docstring "Activate automatic diagnostics of the code" %{
|
|
add-highlighter window/lint flag-lines default lint_flags
|
|
hook window -group lint-diagnostics NormalIdle .* %{ lint-show }
|
|
hook window -group lint-diagnostics WinSetOption lint_flags=.* %{ info; lint-show }
|
|
}
|
|
|
|
define-command lint-disable -docstring "Disable automatic diagnostics of the code" %{
|
|
remove-highlighter window/lint
|
|
remove-hooks window lint-diagnostics
|
|
}
|
|
|
|
# FIXME: Is there some way we can re-use make-next-error
|
|
# instead of re-implementing it?
|
|
define-command \
|
|
-docstring "Jump to the next line that contains a lint message" \
|
|
lint-next-message \
|
|
%{
|
|
update-option buffer lint_messages
|
|
|
|
evaluate-commands %sh{
|
|
# This is going to come in handy later.
|
|
kakquote() { printf "%s" "$*" | sed "s/'/''/g; 1s/^/'/; \$s/\$/'/"; }
|
|
|
|
eval "set -- ${kak_quoted_opt_lint_messages}"
|
|
shift
|
|
|
|
if [ "$#" -eq 0 ]; then
|
|
printf 'fail no lint messages'
|
|
exit
|
|
fi
|
|
|
|
first_lineno=""
|
|
first_msg=""
|
|
|
|
for lint_message; do
|
|
lineno="${lint_message%%|*}"
|
|
msg="${lint_message#*|}"
|
|
|
|
if [ -z "$first_lineno" ]; then
|
|
first_lineno=$lineno
|
|
first_msg=$msg
|
|
fi
|
|
|
|
if [ "$lineno" -gt "$kak_cursor_line" ]; then
|
|
printf "execute-keys %dg\n" "$lineno"
|
|
printf "info -anchor %d.%d %s\n" \
|
|
"$lineno" "1" "$(kakquote "$msg")"
|
|
exit
|
|
fi
|
|
done
|
|
|
|
# We didn't find any messages after the current line,
|
|
# let's wrap around to the beginning.
|
|
printf "execute-keys %dg\n" "$first_lineno"
|
|
printf "info -anchor %d.%d %s\n" \
|
|
"$first_lineno" "1" "$(kakquote "$first_msg")"
|
|
printf "echo -markup \
|
|
{Information}lint message search wrapped around buffer\n"
|
|
|
|
}
|
|
}
|
|
|
|
# FIXME: Is there some way we can re-use make-previous-error
|
|
# instead of re-implementing it?
|
|
define-command \
|
|
-docstring "Jump to the previous line that contains a lint message" \
|
|
lint-previous-message \
|
|
%{
|
|
update-option buffer lint_messages
|
|
|
|
evaluate-commands %sh{
|
|
# This is going to come in handy later.
|
|
kakquote() { printf "%s" "$*" | sed "s/'/''/g; 1s/^/'/; \$s/\$/'/"; }
|
|
|
|
eval "set -- ${kak_quoted_opt_lint_messages}"
|
|
shift
|
|
|
|
if [ "$#" -eq 0 ]; then
|
|
printf 'fail no lint messages'
|
|
exit
|
|
fi
|
|
|
|
prev_lineno=""
|
|
prev_msg=""
|
|
|
|
for lint_message; do
|
|
lineno="${lint_message%%|*}"
|
|
msg="${lint_message#*|}"
|
|
|
|
# If this message comes on or after the cursor position...
|
|
if [ "$lineno" -ge "${kak_cursor_line}" ]; then
|
|
# ...and we had a previous message...
|
|
if [ -n "$prev_lineno" ]; then
|
|
# ...then go to the previous message and display it.
|
|
printf "execute-keys %dg\n" "$prev_lineno"
|
|
printf "info -anchor %d.%d %s\n" \
|
|
"$lineno" "1" "$(kakquote "$prev_msg")"
|
|
exit
|
|
|
|
# We are after the cursor position, but there has been
|
|
# no previous message; we'll need to do something else.
|
|
else
|
|
break
|
|
fi
|
|
fi
|
|
|
|
# We have not yet reached the cursor position, stash this message
|
|
# and try the next.
|
|
prev_lineno="$lineno"
|
|
prev_msg="$msg"
|
|
done
|
|
|
|
# There is no message before the cursor position,
|
|
# let's wrap around to the end.
|
|
shift $(( $# - 1 ))
|
|
last_lineno="${1%%|*}"
|
|
last_msg="${1#*|}"
|
|
|
|
printf "execute-keys %dg\n" "$last_lineno"
|
|
printf "info -anchor %d.%d %s\n" \
|
|
"$last_lineno" "1" "$(kakquote "$last_msg")"
|
|
printf "echo -markup \
|
|
{Information}lint message search wrapped around buffer\n"
|
|
}
|
|
}
|