diff options
Diffstat (limited to 'pygments/lexers/haskell.py')
| -rw-r--r-- | pygments/lexers/haskell.py | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/pygments/lexers/haskell.py b/pygments/lexers/haskell.py index ffc3a3a2..b3884f5c 100644 --- a/pygments/lexers/haskell.py +++ b/pygments/lexers/haskell.py @@ -5,19 +5,19 @@ Lexers for Haskell and related languages. - :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS. + :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ import re from pygments.lexer import Lexer, RegexLexer, bygroups, do_insertions, \ - default, include + default, include, inherit from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ Number, Punctuation, Generic from pygments import unistring as uni -__all__ = ['HaskellLexer', 'IdrisLexer', 'AgdaLexer', 'CryptolLexer', +__all__ = ['HaskellLexer', 'HspecLexer', 'IdrisLexer', 'AgdaLexer', 'CryptolLexer', 'LiterateHaskellLexer', 'LiterateIdrisLexer', 'LiterateAgdaLexer', 'LiterateCryptolLexer', 'KokaLexer'] @@ -39,7 +39,7 @@ class HaskellLexer(RegexLexer): flags = re.MULTILINE | re.UNICODE reserved = ('case', 'class', 'data', 'default', 'deriving', 'do', 'else', - 'if', 'in', 'infix[lr]?', 'instance', + 'family', 'if', 'in', 'infix[lr]?', 'instance', 'let', 'newtype', 'of', 'then', 'type', 'where', '_') ascii = ('NUL', 'SOH', '[SE]TX', 'EOT', 'ENQ', 'ACK', 'BEL', 'BS', 'HT', 'LF', 'VT', 'FF', 'CR', 'S[OI]', 'DLE', @@ -63,17 +63,23 @@ class HaskellLexer(RegexLexer): (r'^[_' + uni.Ll + r'][\w\']*', Name.Function), (r"'?[_" + uni.Ll + r"][\w']*", Name), (r"('')?[" + uni.Lu + r"][\w\']*", Keyword.Type), + (r"(')[" + uni.Lu + r"][\w\']*", Keyword.Type), + (r"(')\[[^\]]*\]", Keyword.Type), # tuples and lists get special treatment in GHC + (r"(')\([^)]*\)", Keyword.Type), # .. # Operators (r'\\(?![:!#$%&*+.\\/<=>?@^|~-]+)', Name.Function), # lambda operator (r'(<-|::|->|=>|=)(?![:!#$%&*+.\\/<=>?@^|~-]+)', Operator.Word), # specials (r':[:!#$%&*+.\\/<=>?@^|~-]*', Keyword.Type), # Constructor operators (r'[:!#$%&*+.\\/<=>?@^|~-]+', Operator), # Other operators # Numbers - (r'\d+[eE][+-]?\d+', Number.Float), - (r'\d+\.\d+([eE][+-]?\d+)?', Number.Float), - (r'0[oO][0-7]+', Number.Oct), - (r'0[xX][\da-fA-F]+', Number.Hex), - (r'\d+', Number.Integer), + (r'0[xX]_*[\da-fA-F](_*[\da-fA-F])*_*[pP][+-]?\d(_*\d)*', Number.Float), + (r'0[xX]_*[\da-fA-F](_*[\da-fA-F])*\.[\da-fA-F](_*[\da-fA-F])*(_*[pP][+-]?\d(_*\d)*)?', Number.Float), + (r'\d(_*\d)*_*[eE][+-]?\d(_*\d)*', Number.Float), + (r'\d(_*\d)*\.\d(_*\d)*(_*[eE][+-]?\d(_*\d)*)?', Number.Float), + (r'0[bB]_*[01](_*[01])*', Number.Bin), + (r'0[oO]_*[0-7](_*[0-7])*', Number.Oct), + (r'0[xX]_*[\da-fA-F](_*[\da-fA-F])*', Number.Hex), + (r'\d(_*\d)*', Number.Integer), # Character/String Literals (r"'", String.Char, 'character'), (r'"', String, 'string'), @@ -151,6 +157,28 @@ class HaskellLexer(RegexLexer): } +class HspecLexer(HaskellLexer): + """ + A Haskell lexer with support for Hspec constructs. + + .. versionadded:: 2.4.0 + """ + + name = 'Hspec' + aliases = ['hspec'] + filenames = [] + mimetypes = [] + + tokens = { + 'root': [ + (r'(it\s*)("[^"]*")', bygroups(Text, String.Doc)), + (r'(describe\s*)("[^"]*")', bygroups(Text, String.Doc)), + (r'(context\s*)("[^"]*")', bygroups(Text, String.Doc)), + inherit, + ], + } + + class IdrisLexer(RegexLexer): """ A lexer for the dependently typed programming language Idris. @@ -674,10 +702,10 @@ class KokaLexer(RegexLexer): symbols = r'[$%&*+@!/\\^~=.:\-?|<>]+' # symbol boundary: an operator keyword should not be followed by any of these - sboundary = '(?!'+symbols+')' + sboundary = '(?!' + symbols + ')' # name boundary: a keyword should not be followed by any of these - boundary = '(?![\w/])' + boundary = r'(?![\w/])' # koka token abstractions tokenType = Name.Attribute |