--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/haskell.py Wed Mar 11 18:32:27 2015 +0100
@@ -0,0 +1,840 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.haskell
+ ~~~~~~~~~~~~~~~~~~~~~~~
+
+ Lexers for Haskell and related languages.
+
+ :copyright: Copyright 2006-2014 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
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+ Number, Punctuation, Generic
+from pygments import unistring as uni
+
+__all__ = ['HaskellLexer', 'IdrisLexer', 'AgdaLexer', 'CryptolLexer',
+ 'LiterateHaskellLexer', 'LiterateIdrisLexer', 'LiterateAgdaLexer',
+ 'LiterateCryptolLexer', 'KokaLexer']
+
+
+line_re = re.compile('.*?\n')
+
+
+class HaskellLexer(RegexLexer):
+ """
+ A Haskell lexer based on the lexemes defined in the Haskell 98 Report.
+
+ .. versionadded:: 0.8
+ """
+ name = 'Haskell'
+ aliases = ['haskell', 'hs']
+ filenames = ['*.hs']
+ mimetypes = ['text/x-haskell']
+
+ flags = re.MULTILINE | re.UNICODE
+
+ reserved = ('case', 'class', 'data', 'default', 'deriving', 'do', 'else',
+ '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',
+ 'DC[1-4]', 'NAK', 'SYN', 'ETB', 'CAN',
+ 'EM', 'SUB', 'ESC', '[FGRU]S', 'SP', 'DEL')
+
+ tokens = {
+ 'root': [
+ # Whitespace:
+ (r'\s+', Text),
+ # (r'--\s*|.*$', Comment.Doc),
+ (r'--(?![!#$%&*+./<=>?@^|_~:\\]).*?$', Comment.Single),
+ (r'\{-', Comment.Multiline, 'comment'),
+ # Lexemes:
+ # Identifiers
+ (r'\bimport\b', Keyword.Reserved, 'import'),
+ (r'\bmodule\b', Keyword.Reserved, 'module'),
+ (r'\berror\b', Name.Exception),
+ (r'\b(%s)(?!\')\b' % '|'.join(reserved), Keyword.Reserved),
+ (r"'[^\\]'", String.Char), # this has to come before the TH quote
+ (r'^[_' + uni.Ll + r'][\w\']*', Name.Function),
+ (r"'?[_" + uni.Ll + r"][\w']*", Name),
+ (r"('')?[" + uni.Lu + r"][\w\']*", Keyword.Type),
+ # Operators
+ (r'\\(?![:!#$%&*+.\\/<=>?@^|~-]+)', 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),
+ # Character/String Literals
+ (r"'", String.Char, 'character'),
+ (r'"', String, 'string'),
+ # Special
+ (r'\[\]', Keyword.Type),
+ (r'\(\)', Name.Builtin),
+ (r'[][(),;`{}]', Punctuation),
+ ],
+ 'import': [
+ # Import statements
+ (r'\s+', Text),
+ (r'"', String, 'string'),
+ # after "funclist" state
+ (r'\)', Punctuation, '#pop'),
+ (r'qualified\b', Keyword),
+ # import X as Y
+ (r'([' + uni.Lu + r'][\w.]*)(\s+)(as)(\s+)([' + uni.Lu + r'][\w.]*)',
+ bygroups(Name.Namespace, Text, Keyword, Text, Name), '#pop'),
+ # import X hiding (functions)
+ (r'([' + uni.Lu + r'][\w.]*)(\s+)(hiding)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Keyword, Text, Punctuation), 'funclist'),
+ # import X (functions)
+ (r'([' + uni.Lu + r'][\w.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ # import X
+ (r'[\w.]+', Name.Namespace, '#pop'),
+ ],
+ 'module': [
+ (r'\s+', Text),
+ (r'([' + uni.Lu + r'][\w.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ (r'[' + uni.Lu + r'][\w.]*', Name.Namespace, '#pop'),
+ ],
+ 'funclist': [
+ (r'\s+', Text),
+ (r'[' + uni.Lu + r']\w*', Keyword.Type),
+ (r'(_[\w\']+|[' + uni.Ll + r'][\w\']*)', Name.Function),
+ (r'--(?![!#$%&*+./<=>?@^|_~:\\]).*?$', Comment.Single),
+ (r'\{-', Comment.Multiline, 'comment'),
+ (r',', Punctuation),
+ (r'[:!#$%&*+.\\/<=>?@^|~-]+', Operator),
+ # (HACK, but it makes sense to push two instances, believe me)
+ (r'\(', Punctuation, ('funclist', 'funclist')),
+ (r'\)', Punctuation, '#pop:2'),
+ ],
+ # NOTE: the next four states are shared in the AgdaLexer; make sure
+ # any change is compatible with Agda as well or copy over and change
+ 'comment': [
+ # Multiline Comments
+ (r'[^-{}]+', Comment.Multiline),
+ (r'\{-', Comment.Multiline, '#push'),
+ (r'-\}', Comment.Multiline, '#pop'),
+ (r'[-{}]', Comment.Multiline),
+ ],
+ 'character': [
+ # Allows multi-chars, incorrectly.
+ (r"[^\\']'", String.Char, '#pop'),
+ (r"\\", String.Escape, 'escape'),
+ ("'", String.Char, '#pop'),
+ ],
+ 'string': [
+ (r'[^\\"]+', String),
+ (r"\\", String.Escape, 'escape'),
+ ('"', String, '#pop'),
+ ],
+ 'escape': [
+ (r'[abfnrtv"\'&\\]', String.Escape, '#pop'),
+ (r'\^[][' + uni.Lu + r'@^_]', String.Escape, '#pop'),
+ ('|'.join(ascii), String.Escape, '#pop'),
+ (r'o[0-7]+', String.Escape, '#pop'),
+ (r'x[\da-fA-F]+', String.Escape, '#pop'),
+ (r'\d+', String.Escape, '#pop'),
+ (r'\s+\\', String.Escape, '#pop'),
+ ],
+ }
+
+
+class IdrisLexer(RegexLexer):
+ """
+ A lexer for the dependently typed programming language Idris.
+
+ Based on the Haskell and Agda Lexer.
+
+ .. versionadded:: 2.0
+ """
+ name = 'Idris'
+ aliases = ['idris', 'idr']
+ filenames = ['*.idr']
+ mimetypes = ['text/x-idris']
+
+ reserved = ('case', 'class', 'data', 'default', 'using', 'do', 'else',
+ 'if', 'in', 'infix[lr]?', 'instance', 'rewrite', 'auto',
+ 'namespace', 'codata', 'mutual', 'private', 'public', 'abstract',
+ 'total', 'partial',
+ 'let', 'proof', 'of', 'then', 'static', 'where', '_', 'with',
+ 'pattern', 'term', 'syntax', 'prefix',
+ 'postulate', 'parameters', 'record', 'dsl', 'impossible', 'implicit',
+ 'tactics', 'intros', 'intro', 'compute', 'refine', 'exact', 'trivial')
+
+ ascii = ('NUL', 'SOH', '[SE]TX', 'EOT', 'ENQ', 'ACK',
+ 'BEL', 'BS', 'HT', 'LF', 'VT', 'FF', 'CR', 'S[OI]', 'DLE',
+ 'DC[1-4]', 'NAK', 'SYN', 'ETB', 'CAN',
+ 'EM', 'SUB', 'ESC', '[FGRU]S', 'SP', 'DEL')
+
+ directives = ('lib', 'link', 'flag', 'include', 'hide', 'freeze', 'access',
+ 'default', 'logging', 'dynamic', 'name', 'error_handlers', 'language')
+
+ tokens = {
+ 'root': [
+ # Comments
+ (r'^(\s*)(%%%s)' % '|'.join(directives),
+ bygroups(Text, Keyword.Reserved)),
+ (r'(\s*)(--(?![!#$%&*+./<=>?@^|_~:\\]).*?)$', bygroups(Text, Comment.Single)),
+ (r'(\s*)(\|{3}.*?)$', bygroups(Text, Comment.Single)),
+ (r'(\s*)(\{-)', bygroups(Text, Comment.Multiline), 'comment'),
+ # Declaration
+ (r'^(\s*)([^\s(){}]+)(\s*)(:)(\s*)',
+ bygroups(Text, Name.Function, Text, Operator.Word, Text)),
+ # Identifiers
+ (r'\b(%s)(?!\')\b' % '|'.join(reserved), Keyword.Reserved),
+ (r'(import|module)(\s+)', bygroups(Keyword.Reserved, Text), 'module'),
+ (r"('')?[A-Z][\w\']*", Keyword.Type),
+ (r'[a-z][\w\']*', Text),
+ # Special Symbols
+ (r'(<-|::|->|=>|=)', Operator.Word), # specials
+ (r'([(){}\[\]:!#$%&*+.\\/<=>?@^|~-]+)', Operator.Word), # specials
+ # Numbers
+ (r'\d+[eE][+-]?\d+', Number.Float),
+ (r'\d+\.\d+([eE][+-]?\d+)?', Number.Float),
+ (r'0[xX][\da-fA-F]+', Number.Hex),
+ (r'\d+', Number.Integer),
+ # Strings
+ (r"'", String.Char, 'character'),
+ (r'"', String, 'string'),
+ (r'[^\s(){}]+', Text),
+ (r'\s+?', Text), # Whitespace
+ ],
+ 'module': [
+ (r'\s+', Text),
+ (r'([A-Z][\w.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ (r'[A-Z][\w.]*', Name.Namespace, '#pop'),
+ ],
+ 'funclist': [
+ (r'\s+', Text),
+ (r'[A-Z]\w*', Keyword.Type),
+ (r'(_[\w\']+|[a-z][\w\']*)', Name.Function),
+ (r'--.*$', Comment.Single),
+ (r'\{-', Comment.Multiline, 'comment'),
+ (r',', Punctuation),
+ (r'[:!#$%&*+.\\/<=>?@^|~-]+', Operator),
+ # (HACK, but it makes sense to push two instances, believe me)
+ (r'\(', Punctuation, ('funclist', 'funclist')),
+ (r'\)', Punctuation, '#pop:2'),
+ ],
+ # NOTE: the next four states are shared in the AgdaLexer; make sure
+ # any change is compatible with Agda as well or copy over and change
+ 'comment': [
+ # Multiline Comments
+ (r'[^-{}]+', Comment.Multiline),
+ (r'\{-', Comment.Multiline, '#push'),
+ (r'-\}', Comment.Multiline, '#pop'),
+ (r'[-{}]', Comment.Multiline),
+ ],
+ 'character': [
+ # Allows multi-chars, incorrectly.
+ (r"[^\\']", String.Char),
+ (r"\\", String.Escape, 'escape'),
+ ("'", String.Char, '#pop'),
+ ],
+ 'string': [
+ (r'[^\\"]+', String),
+ (r"\\", String.Escape, 'escape'),
+ ('"', String, '#pop'),
+ ],
+ 'escape': [
+ (r'[abfnrtv"\'&\\]', String.Escape, '#pop'),
+ (r'\^[][A-Z@^_]', String.Escape, '#pop'),
+ ('|'.join(ascii), String.Escape, '#pop'),
+ (r'o[0-7]+', String.Escape, '#pop'),
+ (r'x[\da-fA-F]+', String.Escape, '#pop'),
+ (r'\d+', String.Escape, '#pop'),
+ (r'\s+\\', String.Escape, '#pop')
+ ],
+ }
+
+
+class AgdaLexer(RegexLexer):
+ """
+ For the `Agda <http://wiki.portal.chalmers.se/agda/pmwiki.php>`_
+ dependently typed functional programming language and proof assistant.
+
+ .. versionadded:: 2.0
+ """
+
+ name = 'Agda'
+ aliases = ['agda']
+ filenames = ['*.agda']
+ mimetypes = ['text/x-agda']
+
+ reserved = ['abstract', 'codata', 'coinductive', 'constructor', 'data',
+ 'field', 'forall', 'hiding', 'in', 'inductive', 'infix',
+ 'infixl', 'infixr', 'instance', 'let', 'mutual', 'open',
+ 'pattern', 'postulate', 'primitive', 'private',
+ 'quote', 'quoteGoal', 'quoteTerm',
+ 'record', 'renaming', 'rewrite', 'syntax', 'tactic',
+ 'unquote', 'unquoteDecl', 'using', 'where', 'with']
+
+ tokens = {
+ 'root': [
+ # Declaration
+ (r'^(\s*)([^\s(){}]+)(\s*)(:)(\s*)',
+ bygroups(Text, Name.Function, Text, Operator.Word, Text)),
+ # Comments
+ (r'--(?![!#$%&*+./<=>?@^|_~:\\]).*?$', Comment.Single),
+ (r'\{-', Comment.Multiline, 'comment'),
+ # Holes
+ (r'\{!', Comment.Directive, 'hole'),
+ # Lexemes:
+ # Identifiers
+ (r'\b(%s)(?!\')\b' % '|'.join(reserved), Keyword.Reserved),
+ (r'(import|module)(\s+)', bygroups(Keyword.Reserved, Text), 'module'),
+ (r'\b(Set|Prop)\b', Keyword.Type),
+ # Special Symbols
+ (r'(\(|\)|\{|\})', Operator),
+ (u'(\\.{1,3}|\\||\u039B|\u2200|\u2192|:|=|->)', Operator.Word),
+ # Numbers
+ (r'\d+[eE][+-]?\d+', Number.Float),
+ (r'\d+\.\d+([eE][+-]?\d+)?', Number.Float),
+ (r'0[xX][\da-fA-F]+', Number.Hex),
+ (r'\d+', Number.Integer),
+ # Strings
+ (r"'", String.Char, 'character'),
+ (r'"', String, 'string'),
+ (r'[^\s(){}]+', Text),
+ (r'\s+?', Text), # Whitespace
+ ],
+ 'hole': [
+ # Holes
+ (r'[^!{}]+', Comment.Directive),
+ (r'\{!', Comment.Directive, '#push'),
+ (r'!\}', Comment.Directive, '#pop'),
+ (r'[!{}]', Comment.Directive),
+ ],
+ 'module': [
+ (r'\{-', Comment.Multiline, 'comment'),
+ (r'[a-zA-Z][\w.]*', Name, '#pop'),
+ (r'[^a-zA-Z]+', Text)
+ ],
+ 'comment': HaskellLexer.tokens['comment'],
+ 'character': HaskellLexer.tokens['character'],
+ 'string': HaskellLexer.tokens['string'],
+ 'escape': HaskellLexer.tokens['escape']
+ }
+
+
+class CryptolLexer(RegexLexer):
+ """
+ FIXME: A Cryptol2 lexer based on the lexemes defined in the Haskell 98 Report.
+
+ .. versionadded:: 2.0
+ """
+ name = 'Cryptol'
+ aliases = ['cryptol', 'cry']
+ filenames = ['*.cry']
+ mimetypes = ['text/x-cryptol']
+
+ reserved = ('Arith', 'Bit', 'Cmp', 'False', 'Inf', 'True', 'else',
+ 'export', 'extern', 'fin', 'if', 'import', 'inf', 'lg2',
+ 'max', 'min', 'module', 'newtype', 'pragma', 'property',
+ 'then', 'type', 'where', 'width')
+ ascii = ('NUL', 'SOH', '[SE]TX', 'EOT', 'ENQ', 'ACK',
+ 'BEL', 'BS', 'HT', 'LF', 'VT', 'FF', 'CR', 'S[OI]', 'DLE',
+ 'DC[1-4]', 'NAK', 'SYN', 'ETB', 'CAN',
+ 'EM', 'SUB', 'ESC', '[FGRU]S', 'SP', 'DEL')
+
+ tokens = {
+ 'root': [
+ # Whitespace:
+ (r'\s+', Text),
+ # (r'--\s*|.*$', Comment.Doc),
+ (r'//.*$', Comment.Single),
+ (r'/\*', Comment.Multiline, 'comment'),
+ # Lexemes:
+ # Identifiers
+ (r'\bimport\b', Keyword.Reserved, 'import'),
+ (r'\bmodule\b', Keyword.Reserved, 'module'),
+ (r'\berror\b', Name.Exception),
+ (r'\b(%s)(?!\')\b' % '|'.join(reserved), Keyword.Reserved),
+ (r'^[_a-z][\w\']*', Name.Function),
+ (r"'?[_a-z][\w']*", Name),
+ (r"('')?[A-Z][\w\']*", 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),
+ # Character/String Literals
+ (r"'", String.Char, 'character'),
+ (r'"', String, 'string'),
+ # Special
+ (r'\[\]', Keyword.Type),
+ (r'\(\)', Name.Builtin),
+ (r'[][(),;`{}]', Punctuation),
+ ],
+ 'import': [
+ # Import statements
+ (r'\s+', Text),
+ (r'"', String, 'string'),
+ # after "funclist" state
+ (r'\)', Punctuation, '#pop'),
+ (r'qualified\b', Keyword),
+ # import X as Y
+ (r'([A-Z][\w.]*)(\s+)(as)(\s+)([A-Z][\w.]*)',
+ bygroups(Name.Namespace, Text, Keyword, Text, Name), '#pop'),
+ # import X hiding (functions)
+ (r'([A-Z][\w.]*)(\s+)(hiding)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Keyword, Text, Punctuation), 'funclist'),
+ # import X (functions)
+ (r'([A-Z][\w.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ # import X
+ (r'[\w.]+', Name.Namespace, '#pop'),
+ ],
+ 'module': [
+ (r'\s+', Text),
+ (r'([A-Z][\w.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ (r'[A-Z][\w.]*', Name.Namespace, '#pop'),
+ ],
+ 'funclist': [
+ (r'\s+', Text),
+ (r'[A-Z]\w*', Keyword.Type),
+ (r'(_[\w\']+|[a-z][\w\']*)', Name.Function),
+ # TODO: these don't match the comments in docs, remove.
+ #(r'--(?![!#$%&*+./<=>?@^|_~:\\]).*?$', Comment.Single),
+ #(r'{-', Comment.Multiline, 'comment'),
+ (r',', Punctuation),
+ (r'[:!#$%&*+.\\/<=>?@^|~-]+', Operator),
+ # (HACK, but it makes sense to push two instances, believe me)
+ (r'\(', Punctuation, ('funclist', 'funclist')),
+ (r'\)', Punctuation, '#pop:2'),
+ ],
+ 'comment': [
+ # Multiline Comments
+ (r'[^/*]+', Comment.Multiline),
+ (r'/\*', Comment.Multiline, '#push'),
+ (r'\*/', Comment.Multiline, '#pop'),
+ (r'[*/]', Comment.Multiline),
+ ],
+ 'character': [
+ # Allows multi-chars, incorrectly.
+ (r"[^\\']'", String.Char, '#pop'),
+ (r"\\", String.Escape, 'escape'),
+ ("'", String.Char, '#pop'),
+ ],
+ 'string': [
+ (r'[^\\"]+', String),
+ (r"\\", String.Escape, 'escape'),
+ ('"', String, '#pop'),
+ ],
+ 'escape': [
+ (r'[abfnrtv"\'&\\]', String.Escape, '#pop'),
+ (r'\^[][A-Z@^_]', String.Escape, '#pop'),
+ ('|'.join(ascii), String.Escape, '#pop'),
+ (r'o[0-7]+', String.Escape, '#pop'),
+ (r'x[\da-fA-F]+', String.Escape, '#pop'),
+ (r'\d+', String.Escape, '#pop'),
+ (r'\s+\\', String.Escape, '#pop'),
+ ],
+ }
+
+ EXTRA_KEYWORDS = set(('join', 'split', 'reverse', 'transpose', 'width',
+ 'length', 'tail', '<<', '>>', '<<<', '>>>', 'const',
+ 'reg', 'par', 'seq', 'ASSERT', 'undefined', 'error',
+ 'trace'))
+
+ def get_tokens_unprocessed(self, text):
+ stack = ['root']
+ for index, token, value in \
+ RegexLexer.get_tokens_unprocessed(self, text, stack):
+ if token is Name and value in self.EXTRA_KEYWORDS:
+ yield index, Name.Builtin, value
+ else:
+ yield index, token, value
+
+
+class LiterateLexer(Lexer):
+ """
+ Base class for lexers of literate file formats based on LaTeX or Bird-style
+ (prefixing each code line with ">").
+
+ Additional options accepted:
+
+ `litstyle`
+ If given, must be ``"bird"`` or ``"latex"``. If not given, the style
+ is autodetected: if the first non-whitespace character in the source
+ is a backslash or percent character, LaTeX is assumed, else Bird.
+ """
+
+ bird_re = re.compile(r'(>[ \t]*)(.*\n)')
+
+ def __init__(self, baselexer, **options):
+ self.baselexer = baselexer
+ Lexer.__init__(self, **options)
+
+ def get_tokens_unprocessed(self, text):
+ style = self.options.get('litstyle')
+ if style is None:
+ style = (text.lstrip()[0:1] in '%\\') and 'latex' or 'bird'
+
+ code = ''
+ insertions = []
+ if style == 'bird':
+ # bird-style
+ for match in line_re.finditer(text):
+ line = match.group()
+ m = self.bird_re.match(line)
+ if m:
+ insertions.append((len(code),
+ [(0, Comment.Special, m.group(1))]))
+ code += m.group(2)
+ else:
+ insertions.append((len(code), [(0, Text, line)]))
+ else:
+ # latex-style
+ from pygments.lexers.markup import TexLexer
+ lxlexer = TexLexer(**self.options)
+ codelines = 0
+ latex = ''
+ for match in line_re.finditer(text):
+ line = match.group()
+ if codelines:
+ if line.lstrip().startswith('\\end{code}'):
+ codelines = 0
+ latex += line
+ else:
+ code += line
+ elif line.lstrip().startswith('\\begin{code}'):
+ codelines = 1
+ latex += line
+ insertions.append((len(code),
+ list(lxlexer.get_tokens_unprocessed(latex))))
+ latex = ''
+ else:
+ latex += line
+ insertions.append((len(code),
+ list(lxlexer.get_tokens_unprocessed(latex))))
+ for item in do_insertions(insertions, self.baselexer.get_tokens_unprocessed(code)):
+ yield item
+
+
+class LiterateHaskellLexer(LiterateLexer):
+ """
+ For Literate Haskell (Bird-style or LaTeX) source.
+
+ Additional options accepted:
+
+ `litstyle`
+ If given, must be ``"bird"`` or ``"latex"``. If not given, the style
+ is autodetected: if the first non-whitespace character in the source
+ is a backslash or percent character, LaTeX is assumed, else Bird.
+
+ .. versionadded:: 0.9
+ """
+ name = 'Literate Haskell'
+ aliases = ['lhs', 'literate-haskell', 'lhaskell']
+ filenames = ['*.lhs']
+ mimetypes = ['text/x-literate-haskell']
+
+ def __init__(self, **options):
+ hslexer = HaskellLexer(**options)
+ LiterateLexer.__init__(self, hslexer, **options)
+
+
+class LiterateIdrisLexer(LiterateLexer):
+ """
+ For Literate Idris (Bird-style or LaTeX) source.
+
+ Additional options accepted:
+
+ `litstyle`
+ If given, must be ``"bird"`` or ``"latex"``. If not given, the style
+ is autodetected: if the first non-whitespace character in the source
+ is a backslash or percent character, LaTeX is assumed, else Bird.
+
+ .. versionadded:: 2.0
+ """
+ name = 'Literate Idris'
+ aliases = ['lidr', 'literate-idris', 'lidris']
+ filenames = ['*.lidr']
+ mimetypes = ['text/x-literate-idris']
+
+ def __init__(self, **options):
+ hslexer = IdrisLexer(**options)
+ LiterateLexer.__init__(self, hslexer, **options)
+
+
+class LiterateAgdaLexer(LiterateLexer):
+ """
+ For Literate Agda source.
+
+ Additional options accepted:
+
+ `litstyle`
+ If given, must be ``"bird"`` or ``"latex"``. If not given, the style
+ is autodetected: if the first non-whitespace character in the source
+ is a backslash or percent character, LaTeX is assumed, else Bird.
+
+ .. versionadded:: 2.0
+ """
+ name = 'Literate Agda'
+ aliases = ['lagda', 'literate-agda']
+ filenames = ['*.lagda']
+ mimetypes = ['text/x-literate-agda']
+
+ def __init__(self, **options):
+ agdalexer = AgdaLexer(**options)
+ LiterateLexer.__init__(self, agdalexer, litstyle='latex', **options)
+
+
+class LiterateCryptolLexer(LiterateLexer):
+ """
+ For Literate Cryptol (Bird-style or LaTeX) source.
+
+ Additional options accepted:
+
+ `litstyle`
+ If given, must be ``"bird"`` or ``"latex"``. If not given, the style
+ is autodetected: if the first non-whitespace character in the source
+ is a backslash or percent character, LaTeX is assumed, else Bird.
+
+ .. versionadded:: 2.0
+ """
+ name = 'Literate Cryptol'
+ aliases = ['lcry', 'literate-cryptol', 'lcryptol']
+ filenames = ['*.lcry']
+ mimetypes = ['text/x-literate-cryptol']
+
+ def __init__(self, **options):
+ crylexer = CryptolLexer(**options)
+ LiterateLexer.__init__(self, crylexer, **options)
+
+
+class KokaLexer(RegexLexer):
+ """
+ Lexer for the `Koka <http://koka.codeplex.com>`_
+ language.
+
+ .. versionadded:: 1.6
+ """
+
+ name = 'Koka'
+ aliases = ['koka']
+ filenames = ['*.kk', '*.kki']
+ mimetypes = ['text/x-koka']
+
+ keywords = [
+ 'infix', 'infixr', 'infixl',
+ 'type', 'cotype', 'rectype', 'alias',
+ 'struct', 'con',
+ 'fun', 'function', 'val', 'var',
+ 'external',
+ 'if', 'then', 'else', 'elif', 'return', 'match',
+ 'private', 'public', 'private',
+ 'module', 'import', 'as',
+ 'include', 'inline',
+ 'rec',
+ 'try', 'yield', 'enum',
+ 'interface', 'instance',
+ ]
+
+ # keywords that are followed by a type
+ typeStartKeywords = [
+ 'type', 'cotype', 'rectype', 'alias', 'struct', 'enum',
+ ]
+
+ # keywords valid in a type
+ typekeywords = [
+ 'forall', 'exists', 'some', 'with',
+ ]
+
+ # builtin names and special names
+ builtin = [
+ 'for', 'while', 'repeat',
+ 'foreach', 'foreach-indexed',
+ 'error', 'catch', 'finally',
+ 'cs', 'js', 'file', 'ref', 'assigned',
+ ]
+
+ # symbols that can be in an operator
+ symbols = r'[$%&*+@!/\\^~=.:\-?|<>]+'
+
+ # symbol boundary: an operator keyword should not be followed by any of these
+ sboundary = '(?!'+symbols+')'
+
+ # name boundary: a keyword should not be followed by any of these
+ boundary = '(?![\w/])'
+
+ # koka token abstractions
+ tokenType = Name.Attribute
+ tokenTypeDef = Name.Class
+ tokenConstructor = Generic.Emph
+
+ # main lexer
+ tokens = {
+ 'root': [
+ include('whitespace'),
+
+ # go into type mode
+ (r'::?' + sboundary, tokenType, 'type'),
+ (r'(alias)(\s+)([a-z]\w*)?', bygroups(Keyword, Text, tokenTypeDef),
+ 'alias-type'),
+ (r'(struct)(\s+)([a-z]\w*)?', bygroups(Keyword, Text, tokenTypeDef),
+ 'struct-type'),
+ ((r'(%s)' % '|'.join(typeStartKeywords)) +
+ r'(\s+)([a-z]\w*)?', bygroups(Keyword, Text, tokenTypeDef),
+ 'type'),
+
+ # special sequences of tokens (we use ?: for non-capturing group as
+ # required by 'bygroups')
+ (r'(module)(\s+)(interface\s+)?((?:[a-z]\w*/)*[a-z]\w*)',
+ bygroups(Keyword, Text, Keyword, Name.Namespace)),
+ (r'(import)(\s+)((?:[a-z]\w*/)*[a-z]\w*)'
+ r'(?:(\s*)(=)(\s*)((?:qualified\s*)?)'
+ r'((?:[a-z]\w*/)*[a-z]\w*))?',
+ bygroups(Keyword, Text, Name.Namespace, Text, Keyword, Text,
+ Keyword, Name.Namespace)),
+
+ (r'(^(?:(?:public|private)\s*)?(?:function|fun|val))'
+ r'(\s+)([a-z]\w*|\((?:' + symbols + r'|/)\))',
+ bygroups(Keyword, Text, Name.Function)),
+ (r'(^(?:(?:public|private)\s*)?external)(\s+)(inline\s+)?'
+ r'([a-z]\w*|\((?:' + symbols + r'|/)\))',
+ bygroups(Keyword, Text, Keyword, Name.Function)),
+
+ # keywords
+ (r'(%s)' % '|'.join(typekeywords) + boundary, Keyword.Type),
+ (r'(%s)' % '|'.join(keywords) + boundary, Keyword),
+ (r'(%s)' % '|'.join(builtin) + boundary, Keyword.Pseudo),
+ (r'::?|:=|\->|[=.]' + sboundary, Keyword),
+
+ # names
+ (r'((?:[a-z]\w*/)*)([A-Z]\w*)',
+ bygroups(Name.Namespace, tokenConstructor)),
+ (r'((?:[a-z]\w*/)*)([a-z]\w*)', bygroups(Name.Namespace, Name)),
+ (r'((?:[a-z]\w*/)*)(\((?:' + symbols + r'|/)\))',
+ bygroups(Name.Namespace, Name)),
+ (r'_\w*', Name.Variable),
+
+ # literal string
+ (r'@"', String.Double, 'litstring'),
+
+ # operators
+ (symbols + "|/(?![*/])", Operator),
+ (r'`', Operator),
+ (r'[{}()\[\];,]', Punctuation),
+
+ # literals. No check for literal characters with len > 1
+ (r'[0-9]+\.[0-9]+([eE][\-+]?[0-9]+)?', Number.Float),
+ (r'0[xX][0-9a-fA-F]+', Number.Hex),
+ (r'[0-9]+', Number.Integer),
+
+ (r"'", String.Char, 'char'),
+ (r'"', String.Double, 'string'),
+ ],
+
+ # type started by alias
+ 'alias-type': [
+ (r'=', Keyword),
+ include('type')
+ ],
+
+ # type started by struct
+ 'struct-type': [
+ (r'(?=\((?!,*\)))', Punctuation, '#pop'),
+ include('type')
+ ],
+
+ # type started by colon
+ 'type': [
+ (r'[(\[<]', tokenType, 'type-nested'),
+ include('type-content')
+ ],
+
+ # type nested in brackets: can contain parameters, comma etc.
+ 'type-nested': [
+ (r'[)\]>]', tokenType, '#pop'),
+ (r'[(\[<]', tokenType, 'type-nested'),
+ (r',', tokenType),
+ (r'([a-z]\w*)(\s*)(:)(?!:)',
+ bygroups(Name, Text, tokenType)), # parameter name
+ include('type-content')
+ ],
+
+ # shared contents of a type
+ 'type-content': [
+ include('whitespace'),
+
+ # keywords
+ (r'(%s)' % '|'.join(typekeywords) + boundary, Keyword),
+ (r'(?=((%s)' % '|'.join(keywords) + boundary + '))',
+ Keyword, '#pop'), # need to match because names overlap...
+
+ # kinds
+ (r'[EPHVX]' + boundary, tokenType),
+
+ # type names
+ (r'[a-z][0-9]*(?![\w/])', tokenType),
+ (r'_\w*', tokenType.Variable), # Generic.Emph
+ (r'((?:[a-z]\w*/)*)([A-Z]\w*)',
+ bygroups(Name.Namespace, tokenType)),
+ (r'((?:[a-z]\w*/)*)([a-z]\w+)',
+ bygroups(Name.Namespace, tokenType)),
+
+ # type keyword operators
+ (r'::|->|[.:|]', tokenType),
+
+ # catchall
+ default('#pop')
+ ],
+
+ # comments and literals
+ 'whitespace': [
+ (r'\n\s*#.*$', Comment.Preproc),
+ (r'\s+', Text),
+ (r'/\*', Comment.Multiline, 'comment'),
+ (r'//.*$', Comment.Single)
+ ],
+ 'comment': [
+ (r'[^/*]+', Comment.Multiline),
+ (r'/\*', Comment.Multiline, '#push'),
+ (r'\*/', Comment.Multiline, '#pop'),
+ (r'[*/]', Comment.Multiline),
+ ],
+ 'litstring': [
+ (r'[^"]+', String.Double),
+ (r'""', String.Escape),
+ (r'"', String.Double, '#pop'),
+ ],
+ 'string': [
+ (r'[^\\"\n]+', String.Double),
+ include('escape-sequence'),
+ (r'["\n]', String.Double, '#pop'),
+ ],
+ 'char': [
+ (r'[^\\\'\n]+', String.Char),
+ include('escape-sequence'),
+ (r'[\'\n]', String.Char, '#pop'),
+ ],
+ 'escape-sequence': [
+ (r'\\[nrt\\"\']', String.Escape),
+ (r'\\x[0-9a-fA-F]{2}', String.Escape),
+ (r'\\u[0-9a-fA-F]{4}', String.Escape),
+ # Yes, \U literals are 6 hex digits.
+ (r'\\U[0-9a-fA-F]{6}', String.Escape)
+ ]
+ }
