home/rc/extra/scheme.kak
2018-12-11 00:35:57 +01:00

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# http://www.scheme-reports.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# require lisp.kak
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate (.*/)?(.*\.(scm|ss|sld)) %{
set-option buffer filetype scheme
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/scheme regions
add-highlighter shared/scheme/code default-region group
add-highlighter shared/scheme/string region '"' (?<!\\)(\\\\)*" fill string
add-highlighter shared/scheme/comment region ';' '$' fill comment
add-highlighter shared/scheme/comment-form region -recurse "\(" "#;\(" "\)" fill comment
add-highlighter shared/scheme/comment-block region "#\|" "\|#" fill comment
add-highlighter shared/scheme/quoted-form region -recurse "\(" "'\(" "\)" fill variable
add-highlighter shared/scheme/code/ regex (#t|#f) 0:value
add-highlighter shared/scheme/code/ regex \b[0-9]+\.[0-9]*\b 0:value
evaluate-commands %sh{
# Primitive expressions that cannot be derived.
keywords='define do let let* letrec if cond case and or begin lambda delay delay-force set!'
# Macro expressions.
meta="define-syntax let-syntax letrec-syntax syntax-rules syntax-case"
# Basic operators.
operators='* + - ... / < <= = => > >='
# Procedures that create a base type and their predicates (for easier type checking)
types="list vector bytevector cons string boolean? list? pair?
vector? bytevector? string? char? complex? eof-object? input-port?
null? number? output-port? procedure? symbol?"
# R5RS available procedures
builtins="abs acos angle append apply asin assoc assq assv atan
caaaar caaadr caaar caadar caaddr caadr
caar cadaar cadadr cadar caddar cadddr caddr cadr
call-with-current-continuation call-with-input-file
call-with-output-file call-with-values car cdaaar cdaadr cdaar
cdadar cdaddr cdadr cdar cddaar cddadr cddar cdddar cddddr cdddr
cddr cdr ceiling char->integer char-alphabetic? char-ci<=?
char-ci<? char-ci=? char-ci>=? char-ci>? char-downcase
char-lower-case? char-numeric? char-ready? char-upcase
char-upper-case? char-whitespace? char<=? char<? char=?
char>=? char>? close-input-port close-output-port cons cos
current-input-port current-output-port denominator display
dynamic-wind else eq? equal? eqv? eval even? exact->inexact
exact? exp expt floor for-each force gcd imag-part inexact->exact
inexact? integer->char integer? interaction-environment lcm
length list list->string list->vector list-ref list-tail load log
magnitude make-polar make-rectangular make-string make-vector
map max member memq memv min modulo negative? newline not
null-environment number->string numerator odd? open-input-file
open-output-file or peek-char positive? quasiquote quote quotient
rational? rationalize read read-char real-part real? remainder
reverse round scheme-report-environment set-car! set-cdr! sin
sqrt string->list string->number string->symbol string-append
string-ci<=? string-ci<? string-ci=? string-ci>=?
string-ci>? string-copy string-fill! string-length string-ref
string-set! string<=? string<? string=? string>=? string>?
substring symbol->string tan truncate values vector
vector->list vector-fill! vector-length vector-ref vector-set!
with-input-from-file with-output-to-file write write-char zero?"
join () { printf "%s" "$1" | tr -s ' \n\t' "$2"; }
printf '%s\n' "hook global WinSetOption filetype=scheme %{
set-option window static_words $(join "$keywords $meta $operators $builtins" ' ' )
}"
exact_quote () {
for symbol in "$@"
do
printf '\\Q%s\\E ' "$symbol"
done
}
qkeys=$(join "$(exact_quote $keywords)" '|')
qmeta=$(join "$(exact_quote $meta)" '|')
qops=$(join "$(exact_quote "$operators")" '|')
qbuiltins=$(join "$(exact_quote $builtins)" '|')
qtypes=$(join "$(exact_quote $types)" '|')
non_word_chars='[\s\(\)\[\]\{\};\|]'
normal_identifiers='-!$%&\*\+\./:<=>\?\^_~a-zA-Z0-9'
identifier_chars="[${normal_identifiers}][${normal_identifiers},#]*"
add_highlighter () {
printf '%s\n' "add-highlighter shared/scheme/code/ regex \"$1\" $2"
}
add_highlighter "${non_word_chars}+(${qkeys})${non_word_chars}" "1:keyword"
add_highlighter "${non_word_chars}+(${qmeta})${non_word_chars}" "1:meta"
add_highlighter "${non_word_chars}+(${qops})${non_word_chars}" "1:operator"
add_highlighter "${non_word_chars}+(${qbuiltins})${non_word_chars}" "1:builtin"
add_highlighter "${non_word_chars}+('${identifier_chars})" "1:attribute"
add_highlighter "${non_word_chars}+(${qtypes})${non_word_chars}" "1:type"
add_highlighter "\(define\W+\(($identifier_chars)" "1:function"
add_highlighter "\(define\W+($identifier_chars)\W+\(lambda" "1:function"
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group scheme-highlight global WinSetOption filetype=scheme %{
add-highlighter window/scheme ref scheme
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/scheme }
}
hook global WinSetOption filetype=scheme %{
set-option buffer extra_word_chars '_' '-' '!' '%' '?' '<' '>' '='
hook window InsertEnd .* -group scheme-hooks lisp-filter-around-selections
hook window InsertChar \n -group scheme-indent lisp-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window scheme-.+ }
}