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Georg Brandl committed 13ce80c Merge

Merged in greghendershott/pygments-main (pull request #94)

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Files changed (4)

 * Matthew Harrison -- SVG formatter
 * Steven Hazel -- Tcl lexer
 * Aslak Hellesøy -- Gherkin lexer
+* Greg Hendershott -- Racket lexer
 * Jordi Gutiérrez Hermoso -- Octave lexer
 * David Hess, Fish Software, Inc. -- Objective-J lexer
 * Varun Hiremath -- Debian control lexer

pygments/lexers/_mapping.py

     'PythonLexer': ('pygments.lexers.agile', 'Python', ('python', 'py'), ('*.py', '*.pyw', '*.sc', 'SConstruct', 'SConscript', '*.tac'), ('text/x-python', 'application/x-python')),
     'PythonTracebackLexer': ('pygments.lexers.agile', 'Python Traceback', ('pytb',), ('*.pytb',), ('text/x-python-traceback',)),
     'RConsoleLexer': ('pygments.lexers.math', 'RConsole', ('rconsole', 'rout'), ('*.Rout',), ()),
+    'RacketLexer': ('pygments.lexers.functional', 'Racket', ('racket', 'rkt'), ('*.rkt', '*.rktl'), ('text/x-racket', 'application/x-racket')),
     'RagelCLexer': ('pygments.lexers.parsers', 'Ragel in C Host', ('ragel-c',), ('*.rl',), ()),
     'RagelCppLexer': ('pygments.lexers.parsers', 'Ragel in CPP Host', ('ragel-cpp',), ('*.rl',), ()),
     'RagelDLexer': ('pygments.lexers.parsers', 'Ragel in D Host', ('ragel-d',), ('*.rl',), ()),
     'SassLexer': ('pygments.lexers.web', 'Sass', ('sass', 'SASS'), ('*.sass',), ('text/x-sass',)),
     'ScalaLexer': ('pygments.lexers.jvm', 'Scala', ('scala',), ('*.scala',), ('text/x-scala',)),
     'ScamlLexer': ('pygments.lexers.web', 'Scaml', ('scaml', 'SCAML'), ('*.scaml',), ('text/x-scaml',)),
-    'SchemeLexer': ('pygments.lexers.functional', 'Scheme', ('scheme', 'scm'), ('*.scm', '*.ss', '*.rkt'), ('text/x-scheme', 'application/x-scheme')),
+    'SchemeLexer': ('pygments.lexers.functional', 'Scheme', ('scheme', 'scm'), ('*.scm', '*.ss'), ('text/x-scheme', 'application/x-scheme')),
     'ScilabLexer': ('pygments.lexers.math', 'Scilab', ('scilab',), ('*.sci', '*.sce', '*.tst'), ('text/scilab',)),
     'ScssLexer': ('pygments.lexers.web', 'SCSS', ('scss',), ('*.scss',), ('text/x-scss',)),
     'SmalltalkLexer': ('pygments.lexers.other', 'Smalltalk', ('smalltalk', 'squeak'), ('*.st',), ('text/x-smalltalk',)),

pygments/lexers/functional.py

 from pygments.token import Text, Comment, Operator, Keyword, Name, \
      String, Number, Punctuation, Literal, Generic, Error
 
-__all__ = ['SchemeLexer', 'CommonLispLexer', 'HaskellLexer',
+__all__ = ['RacketLexer', 'SchemeLexer', 'CommonLispLexer', 'HaskellLexer',
            'LiterateHaskellLexer', 'SMLLexer', 'OcamlLexer', 'ErlangLexer',
            'ErlangShellLexer', 'OpaLexer', 'CoqLexer', 'NewLispLexer',
            'ElixirLexer', 'ElixirConsoleLexer']
 
 
+class RacketLexer(RegexLexer):
+    """
+    Similar to SchemeLexer, except:
+    1. Treat square brackets and curly braces like parentheses: () [] {}
+    2. Greatly expanded list of keywords and builtins.
+    3. Different file extensions, MIME types, etc.
+    4. Handle #:keyword arguments.
+    5. Handle more number literals (e.g. #xFF, #o777, 2e2, #e232, etc.).
+    6. Handle #| ... |# multiline comments (although NOT nested).
+    7. Handle #px and #rx strings as String.Regex
+    """
+    name = 'Racket'
+    aliases = ['racket', 'rkt']
+    filenames = ['*.rkt', '*.rktl']
+    mimetypes = ['text/x-racket', 'application/x-racket']
+
+    # From namespace-mapped-symbols
+    keywords = [
+        '#%app', '#%datum', '#%expression', '#%module-begin', 
+        '#%plain-app', '#%plain-lambda', '#%plain-module-begin', 
+        '#%provide', '#%require', '#%stratified-body', '#%top', 
+        '#%top-interaction', '#%variable-reference', '...', 'and', 'begin', 
+        'begin-for-syntax', 'begin0', 'case', 'case-lambda', 'cond', 
+        'datum->syntax-object', 'define', 'define-for-syntax', 
+        'define-struct', 'define-syntax', 'define-syntax-rule', 
+        'define-syntaxes', 'define-values', 'define-values-for-syntax', 
+        'delay', 'do', 'expand-path', 'fluid-let', '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-identifier=?', 'module-label-identifier=?', 
+        'module-template-identifier=?', 'module-transformer-identifier=?', 
+        'namespace-transformer-require', 'or', 'parameterize', 
+        'parameterize*', 'parameterize-break', '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', 'time', 'transcript-off', 'transcript-on', 'unless', 
+        'unquote', 'unquote-splicing', 'unsyntax', 'unsyntax-splicing', 
+        'when', 'with-continuation-mark', 'with-handlers', 
+        'with-handlers*', 'with-syntax', 'λ'
+    ]
+
+    # From namespace-mapped-symbols
+    builtins = [
+        '*', '+', '-', '/', '<', '<=', '=', '>', '>=', 
+        '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-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-fill!', 
+        'bytes-length', 'bytes-open-converter', 'bytes-ref', 'bytes-set!', 
+        'bytes-utf-8-index', 'bytes-utf-8-length', 'bytes-utf-8-ref', 
+        'bytes<?', 'bytes=?', '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-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-try-get', 'channel?', 'chaperone-box', 'chaperone-evt', 
+        'chaperone-hash', 'chaperone-of?', 'chaperone-procedure', 
+        'chaperone-struct', 'chaperone-struct-type', 'chaperone-vector', 
+        'chaperone?', 'char->integer', 'char-alphabetic?', 'char-blank?', 
+        'char-ci<=?', 'char-ci<?', '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>=?', 
+        '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-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-continuation-marks', 'current-custodian', 
+        'current-directory', 'current-drive', '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-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', 
+        '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?', '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:exists', 
+        'exn:fail:filesystem:exists?', 'exn:fail:filesystem:version', 
+        'exn:fail:filesystem:version?', 'exn:fail:filesystem?', 
+        'exn:fail:network', '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:unbound', 'exn:fail:syntax:unbound?', 
+        'exn:fail:syntax?', 'exn:fail:unsupported', 
+        'exn:fail:unsupported?', 'exn:fail:user', 'exn:fail:user?', 
+        'exn:fail?', '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', 'expt', 'file-exists?', 
+        'file-or-directory-identity', 'file-or-directory-modify-seconds', 
+        'file-or-directory-permissions', 'file-position', 'file-size', 
+        'file-stream-buffer-mode', 'file-stream-port?', 
+        'filesystem-root-list', 'find-executable-path', 
+        'find-library-collection-paths', 'find-system-path', 'fixnum?', 
+        'floating-point-bytes->real', 'flonum?', 'floor', 'flush-output', 
+        'for-each', 'force', '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-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-hash', 'impersonate-procedure', 'impersonate-struct', 
+        'impersonate-vector', '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', 'keyword<?', 'keyword?', 'kill-thread', 'lcm', 
+        'length', 'liberal-define-context?', 'link-exists?', 'list', 
+        'list*', 'list->bytes', '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', 'magnitude', 'make-arity-at-least', 'make-bytes', 
+        'make-channel', 'make-continuation-prompt-tag', 'make-custodian', 
+        'make-custodian-box', 'make-date', 'make-date*', 
+        'make-derived-parameter', 'make-directory', 'make-ephemeron', 
+        'make-exn', 'make-exn:break', '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:exists', 
+        'make-exn:fail:filesystem:version', 'make-exn:fail:network', 
+        '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: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-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-exports', 
+        'module-compiled-imports', 'module-compiled-language-info', 
+        'module-compiled-name', 'module-path-index-join', 
+        'module-path-index-resolve', 'module-path-index-split', 
+        '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!', 
+        '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-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-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?', 'promise?', 
+        'prop:arity-string', 'prop:checked-procedure', 
+        'prop:custom-print-quotable', 'prop:custom-write', 
+        'prop:equal+hash', 'prop:evt', '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-arity-error', 'raise-mismatch-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?', 'resolve-path', 'resolved-module-path-name', 
+        'resolved-module-path?', 'reverse', 'round', 'seconds->date', 
+        'security-guard?', '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-port-next-location!', 
+        'shared-bytes', 'shell-execute', 'simplify-path', 'sin', 
+        'single-flonum?', 'sleep', 'special-comment-value', 
+        'special-comment?', 'split-path', 'sqrt', 'srcloc', 
+        '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-ci>=?', 'string-ci>?', 
+        'string-copy', 'string-copy!', 'string-downcase', 'string-fill!', 
+        'string-foldcase', 'string-length', 'string-locale-ci<?', 
+        'string-locale-ci=?', 'string-locale-ci>?', 
+        'string-locale-downcase', 'string-locale-upcase', 
+        'string-locale<?', 'string-locale=?', '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>=?', '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: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:exists', 
+        'struct:exn:fail:filesystem:version', 'struct:exn:fail:network', 
+        '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: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-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', 
+        '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?', 'terminal-port?', 
+        'thread', 'thread-cell-ref', 'thread-cell-set!', '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', 'udp-addresses', 'udp-bind!', 'udp-bound?', 
+        'udp-close', 'udp-connect!', 'udp-connected?', '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?', '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-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?'
+    ]
+
+    # From SchemeLexer
+    valid_name = r'[a-zA-Z0-9!$%&*+,/:<=>?@^_~|-]+'
+
+    tokens = {
+        'root' : [
+            (r';.*$', Comment.Single),
+            (r'(?ms)#\|[^|]+\|#', Comment.Multiline), # ?s = . matches newline
+
+            # whitespaces - usually not relevant
+            (r'\s+', Text),
+
+            ## numbers: Keep in mind Racket reader hash prefixes,
+            ## which can denote the base or the type. These don't map
+            ## neatly onto pygments token types; some judgment calls
+            ## here.  Note that none of these regexps attempt to
+            ## exclude identifiers that start with a number, such as a
+            ## variable named "100-Continue".
+
+            # #b
+            (r'#b[-+]?[01]+\.[01]+', Number.Float),
+            (r'#b[01]+e[-+]?[01]+', Number.Float),
+            (r'#b[-+]?[01]/[01]+', Number),
+            (r'#b[-+]?[01]+', Number.Integer),
+            (r'#b\S*', Error),
+
+            # #d OR no hash prefix
+            (r'(#d)?[-+]?\d+\.\d+', Number.Float),
+            (r'(#d)?\d+e[-+]?\d+', Number.Float),
+            (r'(#d)?[-+]?\d+/\d+', Number),
+            (r'(#d)?[-+]?\d+', Number.Integer),
+            (r'#d\S*', Error),
+
+            # #e
+            (r'#e[-+]?\d+\.\d+', Number.Float),
+            (r'#e\d+e[-+]?\d+', Number.Float),
+            (r'#e[-+]?\d+/\d+', Number),
+            (r'#e[-+]?\d+', Number),
+            (r'#e\S*', Error),
+
+            # #i is always inexact-real, i.e. float
+            (r'#i[-+]?\d+\.\d+', Number.Float),
+            (r'#i\d+e[-+]?\d+', Number.Float),
+            (r'#i[-+]?\d+/\d+', Number.Float),
+            (r'#i[-+]?\d+', Number.Float),
+            (r'#i\S*', Error),
+
+            # #o
+            (r'#o[-+]?[0-7]+\.[0-7]+', Number.Oct),
+            (r'#o[0-7]+e[-+]?[0-7]+', Number.Oct),
+            (r'#o[-+]?[0-7]+/[0-7]+', Number.Oct),
+            (r'#o[-+]?[0-7]+', Number.Oct),
+            (r'#o\S*', Error),
+
+            # #x
+            (r'#x[-+]?[0-9a-fA-F]+\.[0-9a-fA-F]+', Number.Hex),
+            # the exponent variation (e.g. #x1e1) is N/A
+            (r'#x[-+]?[0-9a-fA-F]+/[0-9a-fA-F]+', Number.Hex),
+            (r'#x[-+]?[0-9a-fA-F]+', Number.Hex),
+            (r'#x\S*', Error),
+            
+
+            # strings, symbols and characters
+            (r'"(\\\\|\\"|[^"])*"', String),
+            (r"'" + valid_name, String.Symbol),
+            (r"#\\([()/'\"._!§$%& ?=+-]{1}|[a-zA-Z0-9]+)", String.Char),
+            (r'#rx".+"', String.Regex),
+            (r'#px".+"', String.Regex),
+
+            # constants
+            (r'(#t|#f)', Name.Constant),
+
+            # keyword argument names (e.g. #:keyword)
+            (r'#:\S+', Keyword.Declaration),
+
+            # #lang
+            (r'#lang \S+', Keyword.Namespace),
+
+            # special operators
+            (r"('|#|`|,@|,|\.)", Operator),
+
+            # highlight the keywords
+            ('(%s)' % '|'.join([
+                re.escape(entry) + ' ' for entry in keywords]),
+                Keyword
+            ),
+
+            # first variable in a quoted string like
+            # '(this is syntactic sugar)
+            (r"(?<='\()" + valid_name, Name.Variable),
+            (r"(?<=#\()" + valid_name, Name.Variable),
+
+            # highlight the builtins
+            ("(?<=\()(%s)" % '|'.join([
+                re.escape(entry) + ' ' for entry in builtins]),
+                Name.Builtin
+            ),
+
+            # the remaining functions; handle both ( and [
+            (r'(?<=(\(|\[|\{))' + valid_name, Name.Function),
+
+            # find the remaining variables
+            (valid_name, Name.Variable),
+
+            # the famous parentheses!
+            (r'(\(|\)|\[|\]|\{|\})', Punctuation),
+        ],
+    }
+
+
 class SchemeLexer(RegexLexer):
     """
     A Scheme lexer, parsing a stream and outputting the tokens
     """
     name = 'Scheme'
     aliases = ['scheme', 'scm']
-    filenames = ['*.scm', '*.ss', '*.rkt']
+    filenames = ['*.scm', '*.ss']
     mimetypes = ['text/x-scheme', 'application/x-scheme']
 
     # list of known keywords and builtins taken form vim 6.4 scheme.vim

tests/examplefiles/example.rkt

+#lang racket
+
+;; Note: This Racket file has some deliberate errors (such as invalid
+;; number literals) to demonstrate the lexer correctly highlighting
+;; them as errors.
+
+; Single-line comment style.
+
+;; Single-line comment style.
+
+#| Multi-line comment style ... on one line |#
+
+#|
+Multi-line comment style ...
+... on multiple lines
+|#
+
+(define (a-function x #:keyword [y 0])
+  (define foo0 'symbol) ; ()
+  [define foo1 'symbol] ; []
+  {define foo2 'symbol} ; {}
+  (and (append (car '(1 2 3))))
+  (regexp-match? #rx"foobar" "foobar")
+  (regexp-match? #px"foobar" "foobar")
+  (define a 1))
+  (let ([b "foo"])
+    (displayln b))
+  (for/list ([x (in-list (list 1 2 (list 3 4)))])
+      (cond
+       [(pair? x) (car x)]
+       [else x])))
+
+;; Literal number examples
+(values
+ ;; #b
+ #b1.1
+ #b-1.1
+ #b1e1
+ #b0/1
+ #b1/1
+ #b1e-1
+ #b101
+ #b2     ;highlight as error
+ 
+ ;; #d
+ #d-1.23
+ #d1.123
+ #d1e3
+ #d1e-22
+ #d1/2
+ #d-1/2
+ #d1
+ #d-1
+ #dZ     ;highlight as error
+
+ ;; No # reader prefix -- same as #d
+ -1.23
+ 1.123
+ 1e3
+ 1e-22
+ 1/2
+ -1/2
+ 1
+ -1
+
+ ;; #e
+ #e-1.23
+ #e1.123
+ #e1e3
+ #e1e-22
+ #e1
+ #e-1
+ #e1/2
+ #e-1/2
+ #eZ     ;highlight as error
+
+ ;; #i always float
+ #i-1.23
+ #i1.123
+ #i1e3
+ #i1e-22
+ #i1/2
+ #i-1/2
+ #i1
+ #i-1
+ #iZ     ;highlight as error
+
+ ;; #o
+ #o777.777
+ #o-777.777
+ #o777e777
+ #o777e-777
+ #o3/7
+ #o-3/7
+ #o777
+ #o-777
+ #o8     ;highlight as error
+
+ ;; #x
+ #x-f.f
+ #xf.f
+ #x-f
+ #xf
+ #xG     ;highlight as error
+ )