125 lines
4.8 KiB
Plaintext
125 lines
4.8 KiB
Plaintext
declare-option -docstring %{shell command to which the path of a copy of the current buffer will be passed
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The output returned by this command is expected to comply with the following format:
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{filename}:{line}:{column}: {kind}: {message}} \
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str lintcmd
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declare-option -hidden line-specs lint_flags
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declare-option -hidden range-specs lint_errors
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define-command lint -docstring 'Parse the current buffer with a linter' %{
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%sh{
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dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-lint.XXXXXXXX)
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mkfifo "$dir"/fifo
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printf '%s\n' "eval -no-hooks write $dir/buf"
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printf '%s\n' "eval -draft %{
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edit! -fifo $dir/fifo -debug *lint-output*
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set-option buffer filetype make
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set-option buffer make_current_error_line 0
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hook -group fifo buffer BufCloseFifo .* %{
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nop %sh{ rm -r '$dir' }
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remove-hooks buffer fifo
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}
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}"
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{ # do the parsing in the background and when ready send to the session
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eval "$kak_opt_lintcmd '$dir'/buf" | sort -t: -k2,2 -n > "$dir"/stderr
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printf '%s\n' "eval -client $kak_client echo 'linting done'" | kak -p "$kak_session"
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# Flags for the gutter:
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# line3|{red}:line11|{yellow}
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# Contextual error messages:
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# l1,c1,err1
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# ln,cn,err2
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awk -F: -v file="$kak_buffile" -v stamp="$kak_timestamp" '
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/:[0-9]+:[0-9]+: ([Ff]atal )?[Ee]rror/ {
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flags = flags $2 "|{red}█:"
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}
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/:[0-9]+:[0-9]+:/ {
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if ($4 !~ /[Ee]rror/) {
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flags = flags $2 "|{yellow}█:"
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}
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}
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/:[0-9]+:[0-9]+:/ {
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errors = errors ":" $2 "." $3 "," $2 "." $3 "|" substr($4,2)
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# fix case where $5 is not the last field because of extra :s in the message
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for (i=5; i<=NF; i++) errors = errors "\\:" $i
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errors = substr(errors, 1, length(errors)-1) " (col " $3 ")"
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}
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END {
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print "set-option \"buffer=" file "\" lint_flags %{" stamp ":" substr(flags, 1, length(flags)-1) "}"
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errors = substr(errors, 1, length(errors)-1)
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gsub("~", "\\~", errors)
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print "set-option \"buffer=" file "\" lint_errors %~" stamp errors "~"
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}
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' "$dir"/stderr | kak -p "$kak_session"
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cut -d: -f2- "$dir"/stderr | sed "s@^@$kak_bufname:@" > "$dir"/fifo
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} >/dev/null 2>&1 </dev/null &
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}
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}
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define-command -hidden lint-show %{
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update-option buffer lint_errors
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%sh{
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desc=$(printf '%s\n' "$kak_opt_lint_errors" | sed -e 's/\([^\\]\):/\1\n/g' | tail -n +2 |
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sed -ne "/^$kak_cursor_line\.[^|]\+|.*/ { s/^[^|]\+|//g; s/'/\\\\'/g; s/\\\\:/:/g; p; }")
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if [ -n "$desc" ]; then
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printf '%s\n' "info -anchor $kak_cursor_line.$kak_cursor_column '$desc'"
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fi
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} }
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define-command lint-enable -docstring "Activate automatic diagnostics of the code" %{
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add-highlighter window flag_lines default lint_flags
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hook window -group lint-diagnostics NormalIdle .* %{ lint-show }
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}
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define-command lint-disable -docstring "Disable automatic diagnostics of the code" %{
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remove-highlighter window/hlflags_lint_flags
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remove-hooks window lint-diagnostics
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}
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define-command lint-next-error -docstring "Jump to the next line that contains an error" %{
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update-option buffer lint_errors
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%sh{
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printf '%s\n' "$kak_opt_lint_errors" | sed -e 's/\([^\\]\):/\1\n/g' | tail -n +2 | {
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while IFS='|' read -r candidate rest
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do
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first_range=${first_range-$candidate}
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if [ "${candidate%%.*}" -gt "$kak_cursor_line" ]; then
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range=$candidate
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break
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fi
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done
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range=${range-$first_range}
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if [ -n "$range" ]; then
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printf '%s\n' "select $range"
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else
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printf 'echo -markup "{Error}no lint diagnostics"\n'
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fi
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}
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}}
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define-command lint-previous-error -docstring "Jump to the previous line that contains an error" %{
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update-option buffer lint_errors
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%sh{
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printf '%s\n' "$kak_opt_lint_errors" | sed -e 's/\([^\\]\):/\1\n/g' | tail -n +2 | sort -t. -k1,1 -rn | {
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while IFS='|' read -r candidate rest
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do
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first_range=${first_range-$candidate}
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if [ "${candidate%%.*}" -lt "$kak_cursor_line" ]; then
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range=$candidate
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break
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fi
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done
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range=${range-$first_range}
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if [ -n "$range" ]; then
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printf '%s\n' "select $range"
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else
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printf 'echo -markup "{Error}no lint diagnostics"\n'
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fi
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}
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}}
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