# -*- coding: utf-8 -*- # # frozen_string_literal: true module Rouge module Lexers class Racket < RegexLexer title "Racket" desc "Racket is a Lisp descended from Scheme (racket-lang.org)" tag 'racket' filenames '*.rkt', '*.rktd', '*.rktl' mimetypes 'text/x-racket', 'application/x-racket' def self.detect?(text) text =~ /\A#lang\s*(.*?)$/ lang_attr = $1 return false unless lang_attr return true if lang_attr =~ /racket|scribble/ end def self.keywords @keywords ||= Set.new %w( ... and begin begin-for-syntax begin0 case case-lambda cond datum->syntax-object define define-for-syntax define-logger define-struct define-syntax define-syntax-rule define-syntaxes define-values define-values-for-syntax delay do expand-path fluid-let force hash-table-copy hash-table-count hash-table-for-each hash-table-get hash-table-iterate-first hash-table-iterate-key hash-table-iterate-next hash-table-iterate-value hash-table-map hash-table-put! hash-table-remove! hash-table? if lambda let let* let*-values let-struct let-syntax let-syntaxes let-values let/cc let/ec letrec letrec-syntax letrec-syntaxes letrec-syntaxes+values letrec-values list-immutable make-hash-table make-immutable-hash-table make-namespace module module* module-identifier=? module-label-identifier=? module-template-identifier=? module-transformer-identifier=? namespace-transformer-require or parameterize parameterize* parameterize-break promise? prop:method-arity-error provide provide-for-label provide-for-syntax quasiquote quasisyntax quasisyntax/loc quote quote-syntax quote-syntax/prune require require-for-label require-for-syntax require-for-template set! set!-values syntax syntax-case syntax-case* syntax-id-rules syntax-object->datum syntax-rules syntax/loc tcp-abandon-port tcp-accept tcp-accept-evt tcp-accept-ready? tcp-accept/enable-break tcp-addresses tcp-close tcp-connect tcp-connect/enable-break tcp-listen tcp-listener? tcp-port? time transcript-off transcript-on udp-addresses udp-bind! udp-bound? udp-close udp-connect! udp-connected? udp-multicast-interface udp-multicast-join-group! udp-multicast-leave-group! udp-multicast-loopback? udp-multicast-set-interface! udp-multicast-set-loopback! udp-multicast-set-ttl! udp-multicast-ttl udp-open-socket udp-receive! udp-receive!* udp-receive!-evt udp-receive!/enable-break udp-receive-ready-evt udp-send udp-send* udp-send-evt udp-send-ready-evt udp-send-to udp-send-to* udp-send-to-evt udp-send-to/enable-break udp-send/enable-break udp? unless unquote unquote-splicing unsyntax unsyntax-splicing when with-continuation-mark with-handlers with-handlers* with-syntax λ) end def self.builtins @builtins ||= Set.new %w( * + - / < <= = > >= abort-current-continuation abs absolute-path? acos add1 alarm-evt always-evt andmap angle append apply arithmetic-shift arity-at-least arity-at-least-value arity-at-least? asin assoc assq assv atan banner bitwise-and bitwise-bit-field bitwise-bit-set? bitwise-ior bitwise-not bitwise-xor boolean? bound-identifier=? box box-cas! box-immutable box? break-enabled break-thread build-path build-path/convention-type byte-pregexp byte-pregexp? byte-ready? byte-regexp byte-regexp? byte? bytes bytes->immutable-bytes bytes->list bytes->path bytes->path-element bytes->string/latin-1 bytes->string/locale bytes->string/utf-8 bytes-append bytes-close-converter bytes-convert bytes-convert-end bytes-converter? bytes-copy bytes-copy! bytes-environment-variable-name? bytes-fill! bytes-length bytes-open-converter bytes-ref bytes-set! bytes-utf-8-index bytes-utf-8-length bytes-utf-8-ref bytes? bytes? caaaar caaadr caaar caadar caaddr caadr caar cadaar cadadr cadar caddar cadddr caddr cadr call-in-nested-thread call-with-break-parameterization call-with-composable-continuation call-with-continuation-barrier call-with-continuation-prompt call-with-current-continuation call-with-default-reading-parameterization call-with-escape-continuation call-with-exception-handler call-with-immediate-continuation-mark call-with-input-file call-with-output-file call-with-parameterization call-with-semaphore call-with-semaphore/enable-break call-with-values call/cc call/ec car cdaaar cdaadr cdaar cdadar cdaddr cdadr cdar cddaar cddadr cddar cdddar cddddr cdddr cddr cdr ceiling channel-get channel-put channel-put-evt channel-put-evt? channel-try-get channel? chaperone-box chaperone-continuation-mark-key chaperone-evt chaperone-hash chaperone-of? chaperone-procedure chaperone-prompt-tag chaperone-struct chaperone-struct-type chaperone-vector chaperone? char->integer char-alphabetic? char-blank? char-ci<=? char-ci=? char-ci>? char-downcase char-foldcase char-general-category char-graphic? char-iso-control? char-lower-case? char-numeric? char-punctuation? char-ready? char-symbolic? char-title-case? char-titlecase char-upcase char-upper-case? char-utf-8-length char-whitespace? char<=? char=? char>? char? check-duplicate-identifier checked-procedure-check-and-extract choice-evt cleanse-path close-input-port close-output-port collect-garbage collection-file-path collection-path compile compile-allow-set!-undefined compile-context-preservation-enabled compile-enforce-module-constants compile-syntax compiled-expression? compiled-module-expression? complete-path? complex? cons continuation-mark-key? continuation-mark-set->context continuation-mark-set->list continuation-mark-set->list* continuation-mark-set-first continuation-mark-set? continuation-marks continuation-prompt-available? continuation-prompt-tag? continuation? copy-file cos current-break-parameterization current-code-inspector current-command-line-arguments current-compile current-compiled-file-roots current-continuation-marks current-custodian current-directory current-directory-for-user current-drive current-environment-variables current-error-port current-eval current-evt-pseudo-random-generator current-gc-milliseconds current-get-interaction-input-port current-inexact-milliseconds current-input-port current-inspector current-library-collection-paths current-load current-load-extension current-load-relative-directory current-load/use-compiled current-locale current-memory-use current-milliseconds current-module-declare-name current-module-declare-source current-module-name-resolver current-module-path-for-load current-namespace current-output-port current-parameterization current-preserved-thread-cell-values current-print current-process-milliseconds current-prompt-read current-pseudo-random-generator current-read-interaction current-reader-guard current-readtable current-seconds current-security-guard current-subprocess-custodian-mode current-thread current-thread-group current-thread-initial-stack-size current-write-relative-directory custodian-box-value custodian-box? custodian-limit-memory custodian-managed-list custodian-memory-accounting-available? custodian-require-memory custodian-shutdown-all custodian? custom-print-quotable-accessor custom-print-quotable? custom-write-accessor custom-write? date date* date*-nanosecond date*-time-zone-name date*? date-day date-dst? date-hour date-minute date-month date-second date-time-zone-offset date-week-day date-year date-year-day date? datum-intern-literal default-continuation-prompt-tag delete-directory delete-file denominator directory-exists? directory-list display displayln dump-memory-stats dynamic-require dynamic-require-for-syntax dynamic-wind environment-variables-copy environment-variables-names environment-variables-ref environment-variables-set! environment-variables? eof eof-object? ephemeron-value ephemeron? eprintf eq-hash-code eq? equal-hash-code equal-secondary-hash-code equal? equal?/recur eqv-hash-code eqv? error error-display-handler error-escape-handler error-print-context-length error-print-source-location error-print-width error-value->string-handler eval eval-jit-enabled eval-syntax even? evt? exact->inexact exact-integer? exact-nonnegative-integer? exact-positive-integer? exact? executable-yield-handler exit exit-handler exn exn-continuation-marks exn-message exn:break exn:break-continuation exn:break:hang-up exn:break:hang-up? exn:break:terminate exn:break:terminate? exn:break? exn:fail exn:fail:contract exn:fail:contract:arity exn:fail:contract:arity? exn:fail:contract:continuation exn:fail:contract:continuation? exn:fail:contract:divide-by-zero exn:fail:contract:divide-by-zero? exn:fail:contract:non-fixnum-result exn:fail:contract:non-fixnum-result? exn:fail:contract:variable exn:fail:contract:variable-id exn:fail:contract:variable? exn:fail:contract? exn:fail:filesystem exn:fail:filesystem:errno exn:fail:filesystem:errno-errno exn:fail:filesystem:errno? exn:fail:filesystem:exists exn:fail:filesystem:exists? exn:fail:filesystem:missing-module exn:fail:filesystem:missing-module-path exn:fail:filesystem:missing-module? exn:fail:filesystem:version exn:fail:filesystem:version? exn:fail:filesystem? exn:fail:network exn:fail:network:errno exn:fail:network:errno-errno exn:fail:network:errno? exn:fail:network? exn:fail:out-of-memory exn:fail:out-of-memory? exn:fail:read exn:fail:read-srclocs exn:fail:read:eof exn:fail:read:eof? exn:fail:read:non-char exn:fail:read:non-char? exn:fail:read? exn:fail:syntax exn:fail:syntax-exprs exn:fail:syntax:missing-module exn:fail:syntax:missing-module-path exn:fail:syntax:missing-module? exn:fail:syntax:unbound exn:fail:syntax:unbound? exn:fail:syntax? exn:fail:unsupported exn:fail:unsupported? exn:fail:user exn:fail:user? exn:fail? exn:missing-module-accessor exn:missing-module? exn:srclocs-accessor exn:srclocs? exn? exp expand expand-once expand-syntax expand-syntax-once expand-syntax-to-top-form expand-to-top-form expand-user-path explode-path expt file-exists? file-or-directory-identity file-or-directory-modify-seconds file-or-directory-permissions file-position file-position* file-size file-stream-buffer-mode file-stream-port? file-truncate filesystem-change-evt filesystem-change-evt-cancel filesystem-change-evt? filesystem-root-list find-executable-path find-library-collection-paths find-system-path fixnum? floating-point-bytes->real flonum? floor flush-output for-each format fprintf free-identifier=? gcd generate-temporaries gensym get-output-bytes get-output-string getenv global-port-print-handler guard-evt handle-evt handle-evt? hash hash-equal? hash-eqv? hash-has-key? hash-placeholder? hash-ref! hasheq hasheqv identifier-binding identifier-binding-symbol identifier-label-binding identifier-prune-lexical-context identifier-prune-to-source-module identifier-remove-from-definition-context identifier-template-binding identifier-transformer-binding identifier? imag-part immutable? impersonate-box impersonate-continuation-mark-key impersonate-hash impersonate-procedure impersonate-prompt-tag impersonate-struct impersonate-vector impersonator-ephemeron impersonator-of? impersonator-prop:application-mark impersonator-property-accessor-procedure? impersonator-property? impersonator? inexact->exact inexact-real? inexact? input-port? inspector? integer->char integer->integer-bytes integer-bytes->integer integer-length integer-sqrt integer-sqrt/remainder integer? internal-definition-context-seal internal-definition-context? keyword->string keywordbytes list->string list->vector list-ref list-tail list? load load-extension load-on-demand-enabled load-relative load-relative-extension load/cd load/use-compiled local-expand local-expand/capture-lifts local-transformer-expand local-transformer-expand/capture-lifts locale-string-encoding log log-max-level magnitude make-arity-at-least make-bytes make-channel make-continuation-mark-key make-continuation-prompt-tag make-custodian make-custodian-box make-date make-date* make-derived-parameter make-directory make-environment-variables make-ephemeron make-exn make-exn:break make-exn:break:hang-up make-exn:break:terminate make-exn:fail make-exn:fail:contract make-exn:fail:contract:arity make-exn:fail:contract:continuation make-exn:fail:contract:divide-by-zero make-exn:fail:contract:non-fixnum-result make-exn:fail:contract:variable make-exn:fail:filesystem make-exn:fail:filesystem:errno make-exn:fail:filesystem:exists make-exn:fail:filesystem:missing-module make-exn:fail:filesystem:version make-exn:fail:network make-exn:fail:network:errno make-exn:fail:out-of-memory make-exn:fail:read make-exn:fail:read:eof make-exn:fail:read:non-char make-exn:fail:syntax make-exn:fail:syntax:missing-module make-exn:fail:syntax:unbound make-exn:fail:unsupported make-exn:fail:user make-file-or-directory-link make-hash-placeholder make-hasheq-placeholder make-hasheqv make-hasheqv-placeholder make-immutable-hasheqv make-impersonator-property make-input-port make-inspector make-known-char-range-list make-output-port make-parameter make-phantom-bytes make-pipe make-placeholder make-polar make-prefab-struct make-pseudo-random-generator make-reader-graph make-readtable make-rectangular make-rename-transformer make-resolved-module-path make-security-guard make-semaphore make-set!-transformer make-shared-bytes make-sibling-inspector make-special-comment make-srcloc make-string make-struct-field-accessor make-struct-field-mutator make-struct-type make-struct-type-property make-syntax-delta-introducer make-syntax-introducer make-thread-cell make-thread-group make-vector make-weak-box make-weak-hasheqv make-will-executor map max mcar mcdr mcons member memq memv min module->exports module->imports module->language-info module->namespace module-compiled-cross-phase-persistent? module-compiled-exports module-compiled-imports module-compiled-language-info module-compiled-name module-compiled-submodules module-declared? module-path-index-join module-path-index-resolve module-path-index-split module-path-index-submodule module-path-index? module-path? module-predefined? module-provide-protected? modulo mpair? nack-guard-evt namespace-attach-module namespace-attach-module-declaration namespace-base-phase namespace-mapped-symbols namespace-module-identifier namespace-module-registry namespace-require namespace-require/constant namespace-require/copy namespace-require/expansion-time namespace-set-variable-value! namespace-symbol->identifier namespace-syntax-introduce namespace-undefine-variable! namespace-unprotect-module namespace-variable-value namespace? negative? never-evt newline normal-case-path not null null? number->string number? numerator object-name odd? open-input-bytes open-input-file open-input-output-file open-input-string open-output-bytes open-output-file open-output-string ormap output-port? pair? parameter-procedure=? parameter? parameterization? path->bytes path->complete-path path->directory-path path->string path-add-suffix path-convention-type path-element->bytes path-element->string path-for-some-system? path-list-string->path-list path-replace-suffix path-string? path? peek-byte peek-byte-or-special peek-bytes peek-bytes! peek-bytes-avail! peek-bytes-avail!* peek-bytes-avail!/enable-break peek-char peek-char-or-special peek-string peek-string! phantom-bytes? pipe-content-length placeholder-get placeholder-set! placeholder? poll-guard-evt port-closed-evt port-closed? port-commit-peeked port-count-lines! port-count-lines-enabled port-counts-lines? port-display-handler port-file-identity port-file-unlock port-next-location port-print-handler port-progress-evt port-provides-progress-evts? port-read-handler port-try-file-lock? port-write-handler port-writes-atomic? port-writes-special? port? positive? prefab-key->struct-type prefab-key? prefab-struct-key pregexp pregexp? primitive-closure? primitive-result-arity primitive? print print-as-expression print-boolean-long-form print-box print-graph print-hash-table print-mpair-curly-braces print-pair-curly-braces print-reader-abbreviations print-struct print-syntax-width print-unreadable print-vector-length printf procedure->method procedure-arity procedure-arity-includes? procedure-arity? procedure-closure-contents-eq? procedure-extract-target procedure-reduce-arity procedure-rename procedure-struct-type? procedure? progress-evt? prop:arity-string prop:checked-procedure prop:custom-print-quotable prop:custom-write prop:equal+hash prop:evt prop:exn:missing-module prop:exn:srclocs prop:impersonator-of prop:input-port prop:liberal-define-context prop:output-port prop:procedure prop:rename-transformer prop:set!-transformer pseudo-random-generator->vector pseudo-random-generator-vector? pseudo-random-generator? putenv quotient quotient/remainder raise raise-argument-error raise-arguments-error raise-arity-error raise-mismatch-error raise-range-error raise-result-error raise-syntax-error raise-type-error raise-user-error random random-seed rational? rationalize read read-accept-bar-quote read-accept-box read-accept-compiled read-accept-dot read-accept-graph read-accept-infix-dot read-accept-lang read-accept-quasiquote read-accept-reader read-byte read-byte-or-special read-bytes read-bytes! read-bytes-avail! read-bytes-avail!* read-bytes-avail!/enable-break read-bytes-line read-case-sensitive read-char read-char-or-special read-curly-brace-as-paren read-decimal-as-inexact read-eval-print-loop read-language read-line read-on-demand-source read-square-bracket-as-paren read-string read-string! read-syntax read-syntax/recursive read/recursive readtable-mapping readtable? real->double-flonum real->floating-point-bytes real->single-flonum real-part real? regexp regexp-match regexp-match-peek regexp-match-peek-immediate regexp-match-peek-positions regexp-match-peek-positions-immediate regexp-match-peek-positions-immediate/end regexp-match-peek-positions/end regexp-match-positions regexp-match-positions/end regexp-match/end regexp-match? regexp-max-lookbehind regexp-replace regexp-replace* regexp? relative-path? remainder rename-file-or-directory rename-transformer-target rename-transformer? reroot-path resolve-path resolved-module-path-name resolved-module-path? reverse round seconds->date security-guard? semaphore-peek-evt semaphore-peek-evt? semaphore-post semaphore-try-wait? semaphore-wait semaphore-wait/enable-break semaphore? set!-transformer-procedure set!-transformer? set-box! set-mcar! set-mcdr! set-phantom-bytes! set-port-next-location! shared-bytes shell-execute simplify-path sin single-flonum? sleep special-comment-value special-comment? split-path sqrt srcloc srcloc->string srcloc-column srcloc-line srcloc-position srcloc-source srcloc-span srcloc? string string->bytes/latin-1 string->bytes/locale string->bytes/utf-8 string->immutable-string string->keyword string->list string->number string->path string->path-element string->symbol string->uninterned-symbol string->unreadable-symbol string-append string-ci<=? string-ci=? string-ci>? string-copy string-copy! string-downcase string-environment-variable-name? string-fill! string-foldcase string-length string-locale-ci? string-locale-downcase string-locale-upcase string-locale? string-normalize-nfc string-normalize-nfd string-normalize-nfkc string-normalize-nfkd string-ref string-set! string-titlecase string-upcase string-utf-8-length string<=? string=? string>? string? struct->vector struct-accessor-procedure? struct-constructor-procedure? struct-info struct-mutator-procedure? struct-predicate-procedure? struct-type-info struct-type-make-constructor struct-type-make-predicate struct-type-property-accessor-procedure? struct-type-property? struct-type? struct:arity-at-least struct:date struct:date* struct:exn struct:exn:break struct:exn:break:hang-up struct:exn:break:terminate struct:exn:fail struct:exn:fail:contract struct:exn:fail:contract:arity struct:exn:fail:contract:continuation struct:exn:fail:contract:divide-by-zero struct:exn:fail:contract:non-fixnum-result struct:exn:fail:contract:variable struct:exn:fail:filesystem struct:exn:fail:filesystem:errno struct:exn:fail:filesystem:exists struct:exn:fail:filesystem:missing-module struct:exn:fail:filesystem:version struct:exn:fail:network struct:exn:fail:network:errno struct:exn:fail:out-of-memory struct:exn:fail:read struct:exn:fail:read:eof struct:exn:fail:read:non-char struct:exn:fail:syntax struct:exn:fail:syntax:missing-module struct:exn:fail:syntax:unbound struct:exn:fail:unsupported struct:exn:fail:user struct:srcloc struct? sub1 subbytes subprocess subprocess-group-enabled subprocess-kill subprocess-pid subprocess-status subprocess-wait subprocess? substring symbol->string symbol-interned? symbol-unreadable? symbol? sync sync/enable-break sync/timeout sync/timeout/enable-break syntax->list syntax-arm syntax-column syntax-disarm syntax-e syntax-line syntax-local-bind-syntaxes syntax-local-certifier syntax-local-context syntax-local-expand-expression syntax-local-get-shadower syntax-local-introduce syntax-local-lift-context syntax-local-lift-expression syntax-local-lift-module-end-declaration syntax-local-lift-provide syntax-local-lift-require syntax-local-lift-values-expression syntax-local-make-definition-context syntax-local-make-delta-introducer syntax-local-module-defined-identifiers syntax-local-module-exports syntax-local-module-required-identifiers syntax-local-name syntax-local-phase-level syntax-local-submodules syntax-local-transforming-module-provides? syntax-local-value syntax-local-value/immediate syntax-original? syntax-position syntax-property syntax-property-symbol-keys syntax-protect syntax-rearm syntax-recertify syntax-shift-phase-level syntax-source syntax-source-module syntax-span syntax-taint syntax-tainted? syntax-track-origin syntax-transforming-module-expression? syntax-transforming? syntax? system-big-endian? system-idle-evt system-language+country system-library-subpath system-path-convention-type system-type tan terminal-port? thread thread-cell-ref thread-cell-set! thread-cell-values? thread-cell? thread-dead-evt thread-dead? thread-group? thread-resume thread-resume-evt thread-rewind-receive thread-running? thread-suspend thread-suspend-evt thread-wait thread/suspend-to-kill thread? time-apply truncate unbox uncaught-exception-handler use-collection-link-paths use-compiled-file-paths use-user-specific-search-paths values variable-reference->empty-namespace variable-reference->module-base-phase variable-reference->module-declaration-inspector variable-reference->module-path-index variable-reference->module-source variable-reference->namespace variable-reference->phase variable-reference->resolved-module-path variable-reference-constant? variable-reference? vector vector->immutable-vector vector->list vector->pseudo-random-generator vector->pseudo-random-generator! vector->values vector-fill! vector-immutable vector-length vector-ref vector-set! vector-set-performance-stats! vector? version void void? weak-box-value weak-box? will-execute will-executor? will-register will-try-execute with-input-from-file with-output-to-file wrap-evt write write-byte write-bytes write-bytes-avail write-bytes-avail* write-bytes-avail-evt write-bytes-avail/enable-break write-char write-special write-special-avail* write-special-evt write-string zero? ) end # Since Racket allows identifiers to consist of nearly anything, # it's simpler to describe what an ID is _not_. id = /[^\s\(\)\[\]\{\}'`,.]+/i state :root do # comments rule %r/;.*$/, Comment::Single rule %r/\s+/m, Text rule %r/[+-]inf[.][f0]/, Num::Float rule %r/[+-]nan[.]0/, Num::Float rule %r/[-]min[.]0/, Num::Float rule %r/[+]max[.]0/, Num::Float rule %r/-?\d+\.\d+/, Num::Float rule %r/-?\d+/, Num::Integer rule %r/#:#{id}+/, Name::Tag # keyword rule %r/#b[01]+/, Num::Bin rule %r/#o[0-7]+/, Num::Oct rule %r/#d[0-9]+/, Num::Integer rule %r/#x[0-9a-f]+/i, Num::Hex rule %r/#[ei][\d.]+/, Num::Other rule %r/"(\\\\|\\"|[^"])*"/, Str rule %r/['`]#{id}/i, Str::Symbol rule %r/#\\([()\/'"._!\$%& ?=+-]{1}|[a-z0-9]+)/i, Str::Char rule %r/#t|#f/, Name::Constant rule %r/(?:'|#|`|,@|,|\.)/, Operator rule %r/(['#])(\s*)(\()/m do groups Str::Symbol, Text, Punctuation end # () [] {} are all permitted as like pairs rule %r/\(|\[|\{/, Punctuation, :command rule %r/\)|\]|\}/, Punctuation rule id, Name::Variable end state :command do rule id, Name::Function do |m| if self.class.keywords.include? m[0] token Keyword elsif self.class.builtins.include? m[0] token Name::Builtin else token Name::Function end pop! end rule(//) { pop! } end end end end