diff -r 000000000000 -r de9c2efb9d02 ThirdParty/Pygments/pygments/lexers/functional.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/functional.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,760 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.functional
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Lexers for functional languages.
+
+ :copyright: Copyright 2006-2009 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+import re
+try:
+ set
+except NameError:
+ from sets import Set as set
+
+from pygments.lexer import Lexer, RegexLexer, bygroups, include, do_insertions
+from pygments.token import Text, Comment, Operator, Keyword, Name, \
+ String, Number, Punctuation, Literal, Generic
+
+
+__all__ = ['SchemeLexer', 'CommonLispLexer', 'HaskellLexer', 'LiterateHaskellLexer',
+ 'OcamlLexer', 'ErlangLexer', 'ErlangShellLexer']
+
+
+class SchemeLexer(RegexLexer):
+ """
+ A Scheme lexer, parsing a stream and outputting the tokens
+ needed to highlight scheme code.
+ This lexer could be most probably easily subclassed to parse
+ other LISP-Dialects like Common Lisp, Emacs Lisp or AutoLisp.
+
+ This parser is checked with pastes from the LISP pastebin
+ at http://paste.lisp.org/ to cover as much syntax as possible.
+
+ It supports the full Scheme syntax as defined in R5RS.
+
+ *New in Pygments 0.6.*
+ """
+ name = 'Scheme'
+ aliases = ['scheme', 'scm']
+ filenames = ['*.scm']
+ mimetypes = ['text/x-scheme', 'application/x-scheme']
+
+ # list of known keywords and builtins taken form vim 6.4 scheme.vim
+ # syntax file.
+ keywords = [
+ 'lambda', 'define', 'if', 'else', 'cond', 'and', 'or', 'case', 'let',
+ 'let*', 'letrec', 'begin', 'do', 'delay', 'set!', '=>', 'quote',
+ 'quasiquote', 'unquote', 'unquote-splicing', 'define-syntax',
+ 'let-syntax', 'letrec-syntax', 'syntax-rules'
+ ]
+ builtins = [
+ '*', '+', '-', '/', '<', '<=', '=', '>', '>=', 'abs', 'acos', 'angle',
+ 'append', 'apply', 'asin', 'assoc', 'assq', 'assv', 'atan',
+ 'boolean?', 'caaaar', 'caaadr', 'caaar', 'caadar', 'caaddr', 'caadr',
+ 'caar', 'cadaar', 'cadadr', 'cadar', 'caddar', 'cadddr', 'caddr',
+ 'cadr', 'call-with-current-continuation', 'call-with-input-file',
+ 'call-with-output-file', 'call-with-values', 'call/cc', 'car',
+ 'cdaaar', 'cdaadr', 'cdaar', 'cdadar', 'cdaddr', 'cdadr', 'cdar',
+ 'cddaar', 'cddadr', 'cddar', 'cdddar', 'cddddr', 'cdddr', 'cddr',
+ 'cdr', 'ceiling', 'char->integer', 'char-alphabetic?', 'char-ci<=?',
+ 'char-ci<?', 'char-ci=?', 'char-ci>=?', 'char-ci>?', 'char-downcase',
+ 'char-lower-case?', 'char-numeric?', 'char-ready?', 'char-upcase',
+ 'char-upper-case?', 'char-whitespace?', 'char<=?', 'char<?', 'char=?',
+ 'char>=?', 'char>?', 'char?', 'close-input-port', 'close-output-port',
+ 'complex?', 'cons', 'cos', 'current-input-port', 'current-output-port',
+ 'denominator', 'display', 'dynamic-wind', 'eof-object?', 'eq?',
+ 'equal?', 'eqv?', 'eval', 'even?', 'exact->inexact', 'exact?', 'exp',
+ 'expt', 'floor', 'for-each', 'force', 'gcd', 'imag-part',
+ 'inexact->exact', 'inexact?', 'input-port?', 'integer->char',
+ 'integer?', 'interaction-environment', 'lcm', 'length', 'list',
+ 'list->string', 'list->vector', 'list-ref', 'list-tail', 'list?',
+ 'load', 'log', 'magnitude', 'make-polar', 'make-rectangular',
+ 'make-string', 'make-vector', 'map', 'max', 'member', 'memq', 'memv',
+ 'min', 'modulo', 'negative?', 'newline', 'not', 'null-environment',
+ 'null?', 'number->string', 'number?', 'numerator', 'odd?',
+ 'open-input-file', 'open-output-file', 'output-port?', 'pair?',
+ 'peek-char', 'port?', 'positive?', 'procedure?', 'quotient',
+ 'rational?', 'rationalize', 'read', 'read-char', 'real-part', 'real?',
+ 'remainder', 'reverse', 'round', 'scheme-report-environment',
+ 'set-car!', 'set-cdr!', 'sin', 'sqrt', 'string', 'string->list',
+ 'string->number', 'string->symbol', 'string-append', 'string-ci<=?',
+ 'string-ci<?', 'string-ci=?', 'string-ci>=?', 'string-ci>?',
+ 'string-copy', 'string-fill!', 'string-length', 'string-ref',
+ 'string-set!', 'string<=?', 'string<?', 'string=?', 'string>=?',
+ 'string>?', 'string?', 'substring', 'symbol->string', 'symbol?',
+ 'tan', 'transcript-off', 'transcript-on', 'truncate', 'values',
+ 'vector', 'vector->list', 'vector-fill!', 'vector-length',
+ 'vector-ref', 'vector-set!', 'vector?', 'with-input-from-file',
+ 'with-output-to-file', 'write', 'write-char', 'zero?'
+ ]
+
+ # valid names for identifiers
+ # well, names can only not consist fully of numbers
+ # but this should be good enough for now
+ valid_name = r'[a-zA-Z0-9!$%&*+,/:<=>?@^_~|-]+'
+
+ tokens = {
+ 'root' : [
+ # the comments - always starting with semicolon
+ # and going to the end of the line
+ (r';.*$', Comment.Single),
+
+ # whitespaces - usually not relevant
+ (r'\s+', Text),
+
+ # numbers
+ (r'-?\d+\.\d+', Number.Float),
+ (r'-?\d+', Number.Integer),
+ # support for uncommon kinds of numbers -
+ # have to figure out what the characters mean
+ #(r'(#e|#i|#b|#o|#d|#x)[\d.]+', Number),
+
+ # strings, symbols and characters
+ (r'"(\\\\|\\"|[^"])*"', String),
+ (r"'" + valid_name, String.Symbol),
+ (r"#\\([()/'\".'_!ยง$%& ?=+-]{1}|[a-zA-Z0-9]+)", String.Char),
+
+ # constants
+ (r'(#t|#f)', Name.Constant),
+
+ # 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
+ (r'(?<=\()' + valid_name, Name.Function),
+ # find the remaining variables
+ (valid_name, Name.Variable),
+
+ # the famous parentheses!
+ (r'(\(|\))', Punctuation),
+ ],
+ }
+
+
+class CommonLispLexer(RegexLexer):
+ """
+ A Common Lisp lexer.
+
+ *New in Pygments 0.9.*
+ """
+ name = 'Common Lisp'
+ aliases = ['common-lisp', 'cl']
+ filenames = ['*.cl', '*.lisp', '*.el'] # use for Elisp too
+ mimetypes = ['text/x-common-lisp']
+
+ flags = re.IGNORECASE | re.MULTILINE
+
+ ### couple of useful regexes
+
+ # characters that are not macro-characters and can be used to begin a symbol
+ nonmacro = r'\\.|[a-zA-Z0-9!$%&*+-/<=>?@\[\]^_{}~]'
+ constituent = nonmacro + '|[#.:]'
+ terminated = r'(?=[ "()\'\n,;`])' # whitespace or terminating macro characters
+
+ ### symbol token, reverse-engineered from hyperspec
+ # Take a deep breath...
+ symbol = r'(\|[^|]+\||(?:%s)(?:%s)*)' % (nonmacro, constituent)
+
+ def __init__(self, **options):
+ from pygments.lexers._clbuiltins import BUILTIN_FUNCTIONS, \
+ SPECIAL_FORMS, MACROS, LAMBDA_LIST_KEYWORDS, DECLARATIONS, \
+ BUILTIN_TYPES, BUILTIN_CLASSES
+ self.builtin_function = BUILTIN_FUNCTIONS
+ self.special_forms = SPECIAL_FORMS
+ self.macros = MACROS
+ self.lambda_list_keywords = LAMBDA_LIST_KEYWORDS
+ self.declarations = DECLARATIONS
+ self.builtin_types = BUILTIN_TYPES
+ self.builtin_classes = BUILTIN_CLASSES
+ RegexLexer.__init__(self, **options)
+
+ def get_tokens_unprocessed(self, text):
+ stack = ['root']
+ for index, token, value in RegexLexer.get_tokens_unprocessed(self, text, stack):
+ if token is Name.Variable:
+ if value in self.builtin_function:
+ yield index, Name.Builtin, value
+ continue
+ if value in self.special_forms:
+ yield index, Keyword, value
+ continue
+ if value in self.macros:
+ yield index, Name.Builtin, value
+ continue
+ if value in self.lambda_list_keywords:
+ yield index, Keyword, value
+ continue
+ if value in self.declarations:
+ yield index, Keyword, value
+ continue
+ if value in self.builtin_types:
+ yield index, Keyword.Type, value
+ continue
+ if value in self.builtin_classes:
+ yield index, Name.Class, value
+ continue
+ yield index, token, value
+
+ tokens = {
+ 'root' : [
+ ('', Text, 'body'),
+ ],
+ 'multiline-comment' : [
+ (r'#\|', Comment.Multiline, '#push'), # (cf. Hyperspec 2.4.8.19)
+ (r'\|#', Comment.Multiline, '#pop'),
+ (r'[^|#]+', Comment.Multiline),
+ (r'[|#]', Comment.Multiline),
+ ],
+ 'commented-form' : [
+ (r'\(', Comment.Preproc, '#push'),
+ (r'\)', Comment.Preproc, '#pop'),
+ (r'[^()]+', Comment.Preproc),
+ ],
+ 'body' : [
+ # whitespace
+ (r'\s+', Text),
+
+ # single-line comment
+ (r';.*$', Comment.Single),
+
+ # multi-line comment
+ (r'#\|', Comment.Multiline, 'multiline-comment'),
+
+ # encoding comment (?)
+ (r'#\d*Y.*$', Comment.Special),
+
+ # strings and characters
+ (r'"(\\.|[^"])*"', String),
+ # quoting
+ (r":" + symbol, String.Symbol),
+ (r"'" + symbol, String.Symbol),
+ (r"'", Operator),
+ (r"`", Operator),
+
+ # decimal numbers
+ (r'[-+]?\d+\.?' + terminated, Number.Integer),
+ (r'[-+]?\d+/\d+' + terminated, Number),
+ (r'[-+]?(\d*\.\d+([defls][-+]?\d+)?|\d+(\.\d*)?[defls][-+]?\d+)' \
+ + terminated, Number.Float),
+
+ # sharpsign strings and characters
+ (r"#\\." + terminated, String.Char),
+ (r"#\\" + symbol, String.Char),
+
+ # vector
+ (r'#\(', Operator, 'body'),
+
+ # bitstring
+ (r'#\d*\*[01]*', Literal.Other),
+
+ # uninterned symbol
+ (r'#:' + symbol, String.Symbol),
+
+ # read-time and load-time evaluation
+ (r'#[.,]', Operator),
+
+ # function shorthand
+ (r'#\'', Name.Function),
+
+ # binary rational
+ (r'#[bB][+-]?[01]+(/[01]+)?', Number),
+
+ # octal rational
+ (r'#[oO][+-]?[0-7]+(/[0-7]+)?', Number.Oct),
+
+ # hex rational
+ (r'#[xX][+-]?[0-9a-fA-F]+(/[0-9a-fA-F]+)?', Number.Hex),
+
+ # radix rational
+ (r'#\d+[rR][+-]?[0-9a-zA-Z]+(/[0-9a-zA-Z]+)?', Number),
+
+ # complex
+ (r'(#[cC])(\()', bygroups(Number, Punctuation), 'body'),
+
+ # array
+ (r'(#\d+[aA])(\()', bygroups(Literal.Other, Punctuation), 'body'),
+
+ # structure
+ (r'(#[sS])(\()', bygroups(Literal.Other, Punctuation), 'body'),
+
+ # path
+ (r'#[pP]?"(\\.|[^"])*"', Literal.Other),
+
+ # reference
+ (r'#\d+=', Operator),
+ (r'#\d+#', Operator),
+
+ # read-time comment
+ (r'#+nil' + terminated + '\s*\(', Comment.Preproc, 'commented-form'),
+
+ # read-time conditional
+ (r'#[+-]', Operator),
+
+ # special operators that should have been parsed already
+ (r'(,@|,|\.)', Operator),
+
+ # special constants
+ (r'(t|nil)' + terminated, Name.Constant),
+
+ # functions and variables
+ (r'\*' + symbol + '\*', Name.Variable.Global),
+ (symbol, Name.Variable),
+
+ # parentheses
+ (r'\(', Punctuation, 'body'),
+ (r'\)', Punctuation, '#pop'),
+ ],
+ }
+
+
+class HaskellLexer(RegexLexer):
+ """
+ A Haskell lexer based on the lexemes defined in the Haskell 98 Report.
+
+ *New in Pygments 0.8.*
+ """
+ name = 'Haskell'
+ aliases = ['haskell', 'hs']
+ filenames = ['*.hs']
+ mimetypes = ['text/x-haskell']
+
+ 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*|.*$', Comment.Doc),
+ (r'--(?![!#$%&*+./<=>?@\^|_~]).*?$', Comment.Single),
+ (r'{-', Comment.Multiline, 'comment'),
+ # Lexemes:
+ # Identifiers
+ (r'\bimport\b', Keyword.Reserved, 'import'),
+ (r'\bmodule\b', Keyword.Reserved, 'module'),
+ (r'\berror\b', Name.Exception),
+ (r'\b(%s)(?!\')\b' % '|'.join(reserved), Keyword.Reserved),
+ (r'^[_a-z][\w\']*', Name.Function),
+ (r'[_a-z][\w\']*', Name),
+ (r'[A-Z][\w\']*', Keyword.Type),
+ # Operators
+ (r'\\(?![:!#$%&*+.\\/<=>?@^|~-]+)', 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),
+ # after "funclist" state
+ (r'\)', Punctuation, '#pop'),
+ (r'qualified\b', Keyword),
+ # import X as Y
+ (r'([A-Z][a-zA-Z0-9_.]*)(\s+)(as)(\s+)([A-Z][a-zA-Z0-9_.]*)',
+ bygroups(Name.Namespace, Text, Keyword, Text, Name), '#pop'),
+ # import X hiding (functions)
+ (r'([A-Z][a-zA-Z0-9_.]*)(\s+)(hiding)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Keyword, Text, Punctuation), 'funclist'),
+ # import X (functions)
+ (r'([A-Z][a-zA-Z0-9_.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ # import X
+ (r'[a-zA-Z0-9_.]+', Name.Namespace, '#pop'),
+ ],
+ 'module': [
+ (r'\s+', Text),
+ (r'([A-Z][a-zA-Z0-9_.]*)(\s+)(\()',
+ bygroups(Name.Namespace, Text, Punctuation), 'funclist'),
+ (r'[A-Z][a-zA-Z0-9_.]*', Name.Namespace, '#pop'),
+ ],
+ 'funclist': [
+ (r'\s+', Text),
+ (r'[A-Z][a-zA-Z0-9_]*', Keyword.Type),
+ (r'[_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'),
+ ],
+ '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'\n\s+\\', String.Escape, '#pop'),
+ ],
+ }
+
+
+line_re = re.compile('.*?\n')
+bird_re = re.compile(r'(>[ \t]*)(.*\n)')
+
+class LiterateHaskellLexer(Lexer):
+ """
+ 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.
+
+ *New in Pygments 0.9.*
+ """
+ name = 'Literate Haskell'
+ aliases = ['lhs', 'literate-haskell']
+ filenames = ['*.lhs']
+ mimetypes = ['text/x-literate-haskell']
+
+ def get_tokens_unprocessed(self, text):
+ hslexer = HaskellLexer(**self.options)
+
+ style = self.options.get('litstyle')
+ if style is None:
+ style = (text.lstrip()[0] in '%\\') and 'latex' or 'bird'
+
+ code = ''
+ insertions = []
+ if style == 'bird':
+ # bird-style
+ for match in line_re.finditer(text):
+ line = match.group()
+ m = 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.text 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, hslexer.get_tokens_unprocessed(code)):
+ yield item
+
+
+class OcamlLexer(RegexLexer):
+ """
+ For the OCaml language.
+
+ *New in Pygments 0.7.*
+ """
+
+ name = 'OCaml'
+ aliases = ['ocaml']
+ filenames = ['*.ml', '*.mli', '*.mll', '*.mly']
+ mimetypes = ['text/x-ocaml']
+
+ keywords = [
+ 'as', 'assert', 'begin', 'class', 'constraint', 'do', 'done',
+ 'downto', 'else', 'end', 'exception', 'external', 'false',
+ 'for', 'fun', 'function', 'functor', 'if', 'in', 'include',
+ 'inherit', 'initializer', 'lazy', 'let', 'match', 'method',
+ 'module', 'mutable', 'new', 'object', 'of', 'open', 'private',
+ 'raise', 'rec', 'sig', 'struct', 'then', 'to', 'true', 'try',
+ 'type', 'val', 'virtual', 'when', 'while', 'with'
+ ]
+ keyopts = [
+ '!=','#','&','&&','\(','\)','\*','\+',',','-',
+ '-\.','->','\.','\.\.',':','::',':=',':>',';',';;','<',
+ '<-','=','>','>]','>}','\?','\?\?','\[','\[<','\[>','\[\|',
+ ']','_','`','{','{<','\|','\|]','}','~'
+ ]
+
+ operators = r'[!$%&*+\./:<=>?@^|~-]'
+ word_operators = ['and', 'asr', 'land', 'lor', 'lsl', 'lxor', 'mod', 'or']
+ prefix_syms = r'[!?~]'
+ infix_syms = r'[=<>@^|&+\*/$%-]'
+ primitives = ['unit', 'int', 'float', 'bool', 'string', 'char', 'list', 'array']
+
+ tokens = {
+ 'escape-sequence': [
+ (r'\\[\"\'ntbr]', String.Escape),
+ (r'\\[0-9]{3}', String.Escape),
+ (r'\\x[0-9a-fA-F]{2}', String.Escape),
+ ],
+ 'root': [
+ (r'\s+', Text),
+ (r'false|true|\(\)|\[\]', Name.Builtin.Pseudo),
+ (r'\b([A-Z][A-Za-z0-9_\']*)(?=\s*\.)',
+ Name.Namespace, 'dotted'),
+ (r'\b([A-Z][A-Za-z0-9_\']*)', Name.Class),
+ (r'\(\*', Comment, 'comment'),
+ (r'\b(%s)\b' % '|'.join(keywords), Keyword),
+ (r'(%s)' % '|'.join(keyopts), Operator),
+ (r'(%s|%s)?%s' % (infix_syms, prefix_syms, operators), Operator),
+ (r'\b(%s)\b' % '|'.join(word_operators), Operator.Word),
+ (r'\b(%s)\b' % '|'.join(primitives), Keyword.Type),
+
+ (r"[^\W\d][\w']*", Name),
+
+ (r'\d[\d_]*', Number.Integer),
+ (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex),
+ (r'0[oO][0-7][0-7_]*', Number.Oct),
+ (r'0[bB][01][01_]*', Number.Binary),
+ (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float),
+
+ (r"'(?:(\\[\\\"'ntbr ])|(\\[0-9]{3})|(\\x[0-9a-fA-F]{2}))'",
+ String.Char),
+ (r"'.'", String.Char),
+ (r"'", Keyword), # a stray quote is another syntax element
+
+ (r'"', String.Double, 'string'),
+
+ (r'[~?][a-z][\w\']*:', Name.Variable),
+ ],
+ 'comment': [
+ (r'[^(*)]+', Comment),
+ (r'\(\*', Comment, '#push'),
+ (r'\*\)', Comment, '#pop'),
+ (r'[(*)]', Comment),
+ ],
+ 'string': [
+ (r'[^\\"]+', String.Double),
+ include('escape-sequence'),
+ (r'\\\n', String.Double),
+ (r'"', String.Double, '#pop'),
+ ],
+ 'dotted': [
+ (r'\s+', Text),
+ (r'\.', Punctuation),
+ (r'[A-Z][A-Za-z0-9_\']*(?=\s*\.)', Name.Namespace),
+ (r'[A-Z][A-Za-z0-9_\']*', Name.Class, '#pop'),
+ (r'[a-z][a-z0-9_\']*', Name, '#pop'),
+ ],
+ }
+
+
+class ErlangLexer(RegexLexer):
+ """
+ For the Erlang functional programming language.
+
+ Blame Jeremy Thurgood (http://jerith.za.net/).
+
+ *New in Pygments 0.9.*
+ """
+
+ name = 'Erlang'
+ aliases = ['erlang']
+ filenames = ['*.erl', '*.hrl']
+ mimetypes = ['text/x-erlang']
+
+ keywords = [
+ 'after', 'begin', 'case', 'catch', 'cond', 'end', 'fun', 'if',
+ 'let', 'of', 'query', 'receive', 'try', 'when',
+ ]
+
+ builtins = [ # See erlang(3) man page
+ 'abs', 'append_element', 'apply', 'atom_to_list', 'binary_to_list',
+ 'bitstring_to_list', 'binary_to_term', 'bit_size', 'bump_reductions',
+ 'byte_size', 'cancel_timer', 'check_process_code', 'delete_module',
+ 'demonitor', 'disconnect_node', 'display', 'element', 'erase', 'exit',
+ 'float', 'float_to_list', 'fun_info', 'fun_to_list',
+ 'function_exported', 'garbage_collect', 'get', 'get_keys',
+ 'group_leader', 'hash', 'hd', 'integer_to_list', 'iolist_to_binary',
+ 'iolist_size', 'is_atom', 'is_binary', 'is_bitstring', 'is_boolean',
+ 'is_builtin', 'is_float', 'is_function', 'is_integer', 'is_list',
+ 'is_number', 'is_pid', 'is_port', 'is_process_alive', 'is_record',
+ 'is_reference', 'is_tuple', 'length', 'link', 'list_to_atom',
+ 'list_to_binary', 'list_to_bitstring', 'list_to_existing_atom',
+ 'list_to_float', 'list_to_integer', 'list_to_pid', 'list_to_tuple',
+ 'load_module', 'localtime_to_universaltime', 'make_tuple', 'md5',
+ 'md5_final', 'md5_update', 'memory', 'module_loaded', 'monitor',
+ 'monitor_node', 'node', 'nodes', 'open_port', 'phash', 'phash2',
+ 'pid_to_list', 'port_close', 'port_command', 'port_connect',
+ 'port_control', 'port_call', 'port_info', 'port_to_list',
+ 'process_display', 'process_flag', 'process_info', 'purge_module',
+ 'put', 'read_timer', 'ref_to_list', 'register', 'resume_process',
+ 'round', 'send', 'send_after', 'send_nosuspend', 'set_cookie',
+ 'setelement', 'size', 'spawn', 'spawn_link', 'spawn_monitor',
+ 'spawn_opt', 'split_binary', 'start_timer', 'statistics',
+ 'suspend_process', 'system_flag', 'system_info', 'system_monitor',
+ 'system_profile', 'term_to_binary', 'tl', 'trace', 'trace_delivered',
+ 'trace_info', 'trace_pattern', 'trunc', 'tuple_size', 'tuple_to_list',
+ 'universaltime_to_localtime', 'unlink', 'unregister', 'whereis'
+ ]
+
+ operators = r'(\+|-|\*|/|<|>|=|==|/=|=:=|=/=|=<|>=|\+\+|--|<-|!)'
+ word_operators = [
+ 'and', 'andalso', 'band', 'bnot', 'bor', 'bsl', 'bsr', 'bxor',
+ 'div', 'not', 'or', 'orelse', 'rem', 'xor'
+ ]
+
+ atom_re = r"(?:[a-z][a-zA-Z0-9_]*|'[^\n']*[^\\]')"
+
+ variable_re = r'(?:[A-Z_][a-zA-Z0-9_]*)'
+
+ escape_re = r'(?:\\(?:[bdefnrstv\'"\\/]|[0-7][0-7]?[0-7]?|\^[a-zA-Z]))'
+
+ macro_re = r'(?:'+variable_re+r'|'+atom_re+r')'
+
+ base_re = r'(?:[2-9]|[12][0-9]|3[0-6])'
+
+ tokens = {
+ 'root': [
+ (r'\s+', Text),
+ (r'%.*\n', Comment),
+ ('(' + '|'.join(keywords) + r')\b', Keyword),
+ ('(' + '|'.join(builtins) + r')\b', Name.Builtin),
+ ('(' + '|'.join(word_operators) + r')\b', Operator.Word),
+ (r'^-', Punctuation, 'directive'),
+ (operators, Operator),
+ (r'"', String, 'string'),
+ (r'<<', Name.Label),
+ (r'>>', Name.Label),
+ (r'('+atom_re+')(:)', bygroups(Name.Namespace, Punctuation)),
+ (r'^('+atom_re+r')(\s*)(\()', bygroups(Name.Function, Text, Punctuation)),
+ (r'[+-]?'+base_re+r'#[0-9a-zA-Z]+', Number.Integer),
+ (r'[+-]?\d+', Number.Integer),
+ (r'[+-]?\d+.\d+', Number.Float),
+ (r'[][:_@\".{}()|;,]', Punctuation),
+ (variable_re, Name.Variable),
+ (atom_re, Name),
+ (r'\?'+macro_re, Name.Constant),
+ (r'\$(?:'+escape_re+r'|\\[ %]|[^\\])', String.Char),
+ (r'#'+atom_re+r'(:?\.'+atom_re+r')?', Name.Label),
+ ],
+ 'string': [
+ (escape_re, String.Escape),
+ (r'"', String, '#pop'),
+ (r'~[0-9.*]*[~#+bBcdefginpPswWxX]', String.Interpol),
+ (r'[^"\\~]+', String),
+ (r'~', String),
+ ],
+ 'directive': [
+ (r'(define)(\s*)(\()('+macro_re+r')',
+ bygroups(Name.Entity, Text, Punctuation, Name.Constant), '#pop'),
+ (r'(record)(\s*)(\()('+macro_re+r')',
+ bygroups(Name.Entity, Text, Punctuation, Name.Label), '#pop'),
+ (atom_re, Name.Entity, '#pop'),
+ ],
+ }
+
+
+class ErlangShellLexer(Lexer):
+ """
+ Shell sessions in erl (for Erlang code).
+
+ *New in Pygments 1.1.*
+ """
+ name = 'Erlang erl session'
+ aliases = ['erl']
+ filenames = ['*.erl-sh']
+ mimetypes = ['text/x-erl-shellsession']
+
+ _prompt_re = re.compile(r'\d+>(?=\s|\Z)')
+
+ def get_tokens_unprocessed(self, text):
+ erlexer = ErlangLexer(**self.options)
+
+ curcode = ''
+ insertions = []
+ for match in line_re.finditer(text):
+ line = match.group()
+ m = self._prompt_re.match(line)
+ if m is not None:
+ end = m.end()
+ insertions.append((len(curcode),
+ [(0, Generic.Prompt, line[:end])]))
+ curcode += line[end:]
+ else:
+ if curcode:
+ for item in do_insertions(insertions,
+ erlexer.get_tokens_unprocessed(curcode)):
+ yield item
+ curcode = ''
+ insertions = []
+ if line.startswith('*'):
+ yield match.start(), Generic.Traceback, line
+ else:
+ yield match.start(), Generic.Output, line
+ if curcode:
+ for item in do_insertions(insertions,
+ erlexer.get_tokens_unprocessed(curcode)):
+ yield item
+
