125 lines
4.4 KiB
Plaintext
125 lines
4.4 KiB
Plaintext
# your linter should output in this format:
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# {filename}:{line}:{column}: {kind}: {message}
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decl str lintcmd
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decl -hidden line-flags lint_flags
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decl -hidden str lint_errors
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def lint -docstring 'Parse the current buffer with a linter' %{
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%sh{
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dir=$(mktemp -d -t kak-lint.XXXXXXXX)
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mkfifo "$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 $dir/fifo *lint-output*
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set buffer filetype make
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set buffer make_current_error_line 0
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hook -group fifo buffer BufCloseFifo .* %{
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nop %sh{ rm -r '$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 "," 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 $i ":"
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errors = substr(errors, 1, length(errors)-1) "\n"
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}
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END {
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print "set \"buffer=" file "\" lint_flags %{" stamp ":" substr(flags, 1, length(flags)-1) "}"
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errors = substr(errors, 1, length(errors)-1)
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gsub("~", "\\~", errors)
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print "set \"buffer=" file "\" lint_errors %~" errors "~"
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}
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' "$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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def -hidden lint-show %{ %sh{
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desc=$(printf '%s\n' "$kak_opt_lint_errors" | sed -ne "/^$kak_cursor_line,.*/ { s/^[[:digit:]]\+,[[:digit:]]\+,//g; s/'/\\\\'/g; p; }")
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if [ -n "$desc" ]; then
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printf '%s\n' "info -anchor $kak_cursor_line.$kak_cursor_column '$desc'"
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fi
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}}
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def lint-enable -docstring "Activate automatic diagnostics of the code" %{
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add-highlighter flag_lines default lint_flags
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hook window -group lint-diagnostics NormalIdle .* %{ lint-show }
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}
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def lint-disable -docstring "Disable automatic diagnostics of the code" %{
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remove-highlighter hlflags_lint_flags
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remove-hooks window lint-diagnostics
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}
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def lint-next -docstring "Jump to the next line that contains an error" %{ %sh{
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printf '%s\n' "$kak_opt_lint_errors" | {
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while read -r line
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do
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# get line,column pair
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coords=$(printf %s "$line" | cut -d, -f1,2)
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candidate="${coords%,*}"
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if [ "$candidate" -gt "$kak_cursor_line" ]
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then
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break
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fi
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done
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if [ "$candidate" -gt "$kak_cursor_line" ]
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then
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col="${coords#*,}"
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else
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candidate="${kak_opt_lint_errors%%,*}"
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col=$(printf '%s\n' "$kak_opt_lint_errors" | head -n1 | cut -d, -f2)
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fi
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printf '%s\n' "select $candidate.$col,$candidate.$col"
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}
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}}
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def lint-prev -docstring "Jump to the previous line that contains an error" %{ %sh{
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printf '%s\n' "$kak_opt_lint_errors" | sort -t, -k1,1 -rn | {
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while read -r line
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do
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coords=$(printf %s "$line" | cut -d, -f1,2)
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candidate="${coords%,*}"
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if [ "$candidate" -lt "$kak_cursor_line" ]
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then
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break
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fi
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done
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if [ "$candidate" -lt "$kak_cursor_line" ]
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then
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col="${coords#*,}"
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else
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last=$(printf '%s\n' "$kak_opt_lint_errors" | tail -n1)
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candidate=$(printf '%s\n' "$last" | cut -d, -f1)
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col=$(printf '%s\n' "$last" | cut -d, -f2)
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fi
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printf '%s\n' "select $candidate.$col,$candidate.$col"
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}
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}}
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