" Vim syntax file " Language: Scheme (R5RS + some R6RS extras) " Last Change: 2012 May 13 " Maintainer: Sergey Khorev <sergey.khorev@gmail.com> " Original author: Dirk van Deun <dirk@igwe.vub.ac.be> " This script incorrectly recognizes some junk input as numerals: " parsing the complete system of Scheme numerals using the pattern " language is practically impossible: I did a lax approximation. " MzScheme extensions can be activated with setting is_mzscheme variable " Suggestions and bug reports are solicited by the author. " Initializing: " For version 5.x: Clear all syntax items " For version 6.x: Quit when a syntax file was already loaded if version < 600 syntax clear elseif exists("b:current_syntax") finish endif let s:cpo_save = &cpo set cpo&vim syn case ignore " Fascist highlighting: everything that doesn't fit the rules is an error... syn match schemeError ![^ \t()\[\]";]*! syn match schemeError ")" " Quoted and backquoted stuff syn region schemeQuoted matchgroup=Delimiter start="['`]" end=![ \t()\[\]";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeQuoted matchgroup=Delimiter start="['`](" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeQuoted matchgroup=Delimiter start="['`]#(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeStrucRestricted matchgroup=Delimiter start="(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeStrucRestricted matchgroup=Delimiter start="#(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc " Popular Scheme extension: " using [] as well as () syn region schemeStrucRestricted matchgroup=Delimiter start="\[" matchgroup=Delimiter end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeStrucRestricted matchgroup=Delimiter start="#\[" matchgroup=Delimiter end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start="," end=![ \t\[\]()";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start=",@" end=![ \t\[\]()";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start=",(" end=")" contains=ALL syn region schemeUnquote matchgroup=Delimiter start=",@(" end=")" contains=ALL syn region schemeUnquote matchgroup=Delimiter start=",#(" end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start=",@#(" end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start=",\[" end="\]" contains=ALL syn region schemeUnquote matchgroup=Delimiter start=",@\[" end="\]" contains=ALL syn region schemeUnquote matchgroup=Delimiter start=",#\[" end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc syn region schemeUnquote matchgroup=Delimiter start=",@#\[" end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc " R5RS Scheme Functions and Syntax: if version < 600 set iskeyword=33,35-39,42-58,60-90,94,95,97-122,126,_ else setlocal iskeyword=33,35-39,42-58,60-90,94,95,97-122,126,_ endif syn keyword schemeSyntax lambda and or if cond case define let let* letrec syn keyword schemeSyntax begin do delay set! else => syn keyword schemeSyntax quote quasiquote unquote unquote-splicing syn keyword schemeSyntax define-syntax let-syntax letrec-syntax syntax-rules " R6RS syn keyword schemeSyntax define-record-type fields protocol syn keyword schemeFunc not boolean? eq? eqv? equal? pair? cons car cdr set-car! syn keyword schemeFunc set-cdr! caar cadr cdar cddr caaar caadr cadar caddr syn keyword schemeFunc cdaar cdadr cddar cdddr caaaar caaadr caadar caaddr syn keyword schemeFunc cadaar cadadr caddar cadddr cdaaar cdaadr cdadar cdaddr syn keyword schemeFunc cddaar cddadr cdddar cddddr null? list? list length syn keyword schemeFunc append reverse list-ref memq memv member assq assv assoc syn keyword schemeFunc symbol? symbol->string string->symbol number? complex? syn keyword schemeFunc real? rational? integer? exact? inexact? = < > <= >= syn keyword schemeFunc zero? positive? negative? odd? even? max min + * - / abs syn keyword schemeFunc quotient remainder modulo gcd lcm numerator denominator syn keyword schemeFunc floor ceiling truncate round rationalize exp log sin cos syn keyword schemeFunc tan asin acos atan sqrt expt make-rectangular make-polar syn keyword schemeFunc real-part imag-part magnitude angle exact->inexact syn keyword schemeFunc inexact->exact number->string string->number char=? syn keyword schemeFunc char-ci=? char<? char-ci<? char>? char-ci>? char<=? syn keyword schemeFunc char-ci<=? char>=? char-ci>=? char-alphabetic? char? syn keyword schemeFunc char-numeric? char-whitespace? char-upper-case? syn keyword schemeFunc char-lower-case? syn keyword schemeFunc char->integer integer->char char-upcase char-downcase syn keyword schemeFunc string? make-string string string-length string-ref syn keyword schemeFunc string-set! string=? string-ci=? string<? string-ci<? syn keyword schemeFunc string>? string-ci>? string<=? string-ci<=? string>=? syn keyword schemeFunc string-ci>=? substring string-append vector? make-vector syn keyword schemeFunc vector vector-length vector-ref vector-set! procedure? syn keyword schemeFunc apply map for-each call-with-current-continuation syn keyword schemeFunc call-with-input-file call-with-output-file input-port? syn keyword schemeFunc output-port? current-input-port current-output-port syn keyword schemeFunc open-input-file open-output-file close-input-port syn keyword schemeFunc close-output-port eof-object? read read-char peek-char syn keyword schemeFunc write display newline write-char call/cc syn keyword schemeFunc list-tail string->list list->string string-copy syn keyword schemeFunc string-fill! vector->list list->vector vector-fill! syn keyword schemeFunc force with-input-from-file with-output-to-file syn keyword schemeFunc char-ready? load transcript-on transcript-off eval syn keyword schemeFunc dynamic-wind port? values call-with-values syn keyword schemeFunc scheme-report-environment null-environment syn keyword schemeFunc interaction-environment " R6RS syn keyword schemeFunc make-eq-hashtable make-eqv-hashtable make-hashtable syn keyword schemeFunc hashtable? hashtable-size hashtable-ref hashtable-set! syn keyword schemeFunc hashtable-delete! hashtable-contains? hashtable-update! syn keyword schemeFunc hashtable-copy hashtable-clear! hashtable-keys syn keyword schemeFunc hashtable-entries hashtable-equivalence-function hashtable-hash-function syn keyword schemeFunc hashtable-mutable? equal-hash string-hash string-ci-hash symbol-hash syn keyword schemeFunc find for-all exists filter partition fold-left fold-right syn keyword schemeFunc remp remove remv remq memp assp cons* " ... so that a single + or -, inside a quoted context, would not be " interpreted as a number (outside such contexts, it's a schemeFunc) syn match schemeDelimiter !\.[ \t\[\]()";]!me=e-1 syn match schemeDelimiter !\.$! " ... and a single dot is not a number but a delimiter " This keeps all other stuff unhighlighted, except *stuff* and <stuff>: syn match schemeOther ,[a-z!$%&*/:<=>?^_~+@#%-][-a-z!$%&*/:<=>?^_~0-9+.@#%]*, syn match schemeError ,[a-z!$%&*/:<=>?^_~+@#%-][-a-z!$%&*/:<=>?^_~0-9+.@#%]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*, syn match schemeOther "\.\.\." syn match schemeError !\.\.\.[^ \t\[\]()";]\+! " ... a special identifier syn match schemeConstant ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]\+\*[ \t\[\]()";],me=e-1 syn match schemeConstant ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]\+\*$, syn match schemeError ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*, syn match schemeConstant ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t\[\]()";],me=e-1 syn match schemeConstant ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$, syn match schemeError ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*, " Non-quoted lists, and strings: syn region schemeStruc matchgroup=Delimiter start="(" matchgroup=Delimiter end=")" contains=ALL syn region schemeStruc matchgroup=Delimiter start="#(" matchgroup=Delimiter end=")" contains=ALL syn region schemeStruc matchgroup=Delimiter start="\[" matchgroup=Delimiter end="\]" contains=ALL syn region schemeStruc matchgroup=Delimiter start="#\[" matchgroup=Delimiter end="\]" contains=ALL " Simple literals: syn region schemeString start=+\%(\\\)\@<!"+ skip=+\\[\\"]+ end=+"+ contains=@Spell " Comments: syn match schemeComment ";.*$" contains=@Spell " Writing out the complete description of Scheme numerals without " using variables is a day's work for a trained secretary... syn match schemeOther ![+-][ \t\[\]()";]!me=e-1 syn match schemeOther ![+-]$! " " This is a useful lax approximation: syn match schemeNumber "[-#+.]\=[0-9][-#+/0-9a-f@i.boxesfdl]*" syn match schemeError ![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t\[\]()";][^ \t\[\]()";]*! syn match schemeBoolean "#[tf]" syn match schemeError !#[tf][^ \t\[\]()";]\+! syn match schemeCharacter "#\\" syn match schemeCharacter "#\\." syn match schemeError !#\\.[^ \t\[\]()";]\+! syn match schemeCharacter "#\\space" syn match schemeError !#\\space[^ \t\[\]()";]\+! syn match schemeCharacter "#\\newline" syn match schemeError !#\\newline[^ \t\[\]()";]\+! " R6RS syn match schemeCharacter "#\\x[0-9a-fA-F]\+" if exists("b:is_mzscheme") || exists("is_mzscheme") " MzScheme extensions " multiline comment syn region schemeComment start="#|" end="|#" contains=@Spell " #%xxx are the special MzScheme identifiers syn match schemeOther "#%[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+" " anything limited by |'s is identifier syn match schemeOther "|[^|]\+|" syn match schemeCharacter "#\\\%(return\|tab\)" " Modules require stmt syn keyword schemeExtSyntax module require dynamic-require lib prefix all-except prefix-all-except rename " modules provide stmt syn keyword schemeExtSyntax provide struct all-from all-from-except all-defined all-defined-except " Other from MzScheme syn keyword schemeExtSyntax with-handlers when unless instantiate define-struct case-lambda syntax-case syn keyword schemeExtSyntax free-identifier=? bound-identifier=? module-identifier=? syntax-object->datum syn keyword schemeExtSyntax datum->syntax-object syn keyword schemeExtSyntax let-values let*-values letrec-values set!-values fluid-let parameterize begin0 syn keyword schemeExtSyntax error raise opt-lambda define-values unit unit/sig define-signature syn keyword schemeExtSyntax invoke-unit/sig define-values/invoke-unit/sig compound-unit/sig import export syn keyword schemeExtSyntax link syntax quasisyntax unsyntax with-syntax syn keyword schemeExtFunc format system-type current-extension-compiler current-extension-linker syn keyword schemeExtFunc use-standard-linker use-standard-compiler syn keyword schemeExtFunc find-executable-path append-object-suffix append-extension-suffix syn keyword schemeExtFunc current-library-collection-paths current-extension-compiler-flags make-parameter syn keyword schemeExtFunc current-directory build-path normalize-path current-extension-linker-flags syn keyword schemeExtFunc file-exists? directory-exists? delete-directory/files delete-directory delete-file syn keyword schemeExtFunc system compile-file system-library-subpath getenv putenv current-standard-link-libraries syn keyword schemeExtFunc remove* file-size find-files fold-files directory-list shell-execute split-path syn keyword schemeExtFunc current-error-port process/ports process printf fprintf open-input-string open-output-string syn keyword schemeExtFunc get-output-string " exceptions syn keyword schemeExtFunc exn exn:application:arity exn:application:continuation exn:application:fprintf:mismatch syn keyword schemeExtFunc exn:application:mismatch exn:application:type exn:application:mismatch exn:break exn:i/o:filesystem exn:i/o:port syn keyword schemeExtFunc exn:i/o:port:closed exn:i/o:tcp exn:i/o:udp exn:misc exn:misc:application exn:misc:unsupported exn:module exn:read syn keyword schemeExtFunc exn:read:non-char exn:special-comment exn:syntax exn:thread exn:user exn:variable exn:application:mismatch syn keyword schemeExtFunc exn? exn:application:arity? exn:application:continuation? exn:application:fprintf:mismatch? exn:application:mismatch? syn keyword schemeExtFunc exn:application:type? exn:application:mismatch? exn:break? exn:i/o:filesystem? exn:i/o:port? exn:i/o:port:closed? syn keyword schemeExtFunc exn:i/o:tcp? exn:i/o:udp? exn:misc? exn:misc:application? exn:misc:unsupported? exn:module? exn:read? exn:read:non-char? syn keyword schemeExtFunc exn:special-comment? exn:syntax? exn:thread? exn:user? exn:variable? exn:application:mismatch? " Command-line parsing syn keyword schemeExtFunc command-line current-command-line-arguments once-any help-labels multi once-each " syntax quoting, unquoting and quasiquotation syn region schemeUnquote matchgroup=Delimiter start="#," end=![ \t\[\]()";]!me=e-1 contains=ALL syn region schemeUnquote matchgroup=Delimiter start="#,@" end=![ \t\[\]()";]!me=e-1 contains=ALL syn region schemeUnquote matchgroup=Delimiter start="#,(" end=")" contains=ALL syn region schemeUnquote matchgroup=Delimiter start="#,@(" end=")" contains=ALL syn region schemeUnquote matchgroup=Delimiter start="#,\[" end="\]" contains=ALL syn region schemeUnquote matchgroup=Delimiter start="#,@\[" end="\]" contains=ALL syn region schemeQuoted matchgroup=Delimiter start="#['`]" end=![ \t()\[\]";]!me=e-1 contains=ALL syn region schemeQuoted matchgroup=Delimiter start="#['`](" matchgroup=Delimiter end=")" contains=ALL endif if exists("b:is_chicken") || exists("is_chicken") " multiline comment syntax region schemeMultilineComment start=/#|/ end=/|#/ contains=@Spell,schemeMultilineComment syn match schemeOther "##[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+" syn match schemeExtSyntax "#:[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+" syn keyword schemeExtSyntax unit uses declare hide foreign-declare foreign-parse foreign-parse/spec syn keyword schemeExtSyntax foreign-lambda foreign-lambda* define-external define-macro load-library syn keyword schemeExtSyntax let-values let*-values letrec-values ->string require-extension syn keyword schemeExtSyntax let-optionals let-optionals* define-foreign-variable define-record syn keyword schemeExtSyntax pointer tag-pointer tagged-pointer? define-foreign-type syn keyword schemeExtSyntax require require-for-syntax cond-expand and-let* receive argc+argv syn keyword schemeExtSyntax fixnum? fx= fx> fx< fx>= fx<= fxmin fxmax syn keyword schemeExtFunc ##core#inline ##sys#error ##sys#update-errno " here-string syn region schemeString start=+#<<\s*\z(.*\)+ end=+^\z1$+ contains=@Spell if filereadable(expand("<sfile>:p:h")."/cpp.vim") unlet! b:current_syntax syn include @ChickenC <sfile>:p:h/cpp.vim syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-declare "+ end=+")\@=+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+foreign-declare\s*#<<\z(.*\)$+hs=s+15 end=+^\z1$+ contains=@ChickenC syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-parse "+ end=+")\@=+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+foreign-parse\s*#<<\z(.*\)$+hs=s+13 end=+^\z1$+ contains=@ChickenC syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-parse/spec "+ end=+")\@=+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+foreign-parse/spec\s*#<<\z(.*\)$+hs=s+18 end=+^\z1$+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+#>+ end=+<#+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+#>?+ end=+<#+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+#>!+ end=+<#+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+#>\$+ end=+<#+ contains=@ChickenC syn region ChickenC matchgroup=schemeComment start=+#>%+ end=+<#+ contains=@ChickenC endif " suggested by Alex Queiroz syn match schemeExtSyntax "#![-a-z!$%&*/:<=>?^_~0-9+.@#%]\+" syn region schemeString start=+#<#\s*\z(.*\)+ end=+^\z1$+ contains=@Spell endif " Synchronization and the wrapping up... syn sync match matchPlace grouphere NONE "^[^ \t]" " ... i.e. synchronize on a line that starts at the left margin " Define the default highlighting. " For version 5.7 and earlier: only when not done already " For version 5.8 and later: only when an item doesn't have highlighting yet if version >= 508 || !exists("did_scheme_syntax_inits") if version < 508 let did_scheme_syntax_inits = 1 command -nargs=+ HiLink hi link <args> else command -nargs=+ HiLink hi def link <args> endif HiLink schemeSyntax Statement HiLink schemeFunc Function HiLink schemeString String HiLink schemeCharacter Character HiLink schemeNumber Number HiLink schemeBoolean Boolean HiLink schemeDelimiter Delimiter HiLink schemeConstant Constant HiLink schemeComment Comment HiLink schemeMultilineComment Comment HiLink schemeError Error HiLink schemeExtSyntax Type HiLink schemeExtFunc PreProc delcommand HiLink endif let b:current_syntax = "scheme" let &cpo = s:cpo_save unlet s:cpo_save