You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

245 lines
7.6 KiB
Python

2 years ago
"""
pygments.lexers.algebra
~~~~~~~~~~~~~~~~~~~~~~~
Lexers for computer algebra systems.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, bygroups, words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['GAPLexer', 'MathematicaLexer', 'MuPADLexer', 'BCLexer']
class GAPLexer(RegexLexer):
"""
For GAP source code.
.. versionadded:: 2.0
"""
name = 'GAP'
url = 'http://www.gap-system.org'
aliases = ['gap']
filenames = ['*.g', '*.gd', '*.gi', '*.gap']
tokens = {
'root': [
(r'#.*$', Comment.Single),
(r'"(?:[^"\\]|\\.)*"', String),
(r'\(|\)|\[|\]|\{|\}', Punctuation),
(r'''(?x)\b(?:
if|then|elif|else|fi|
for|while|do|od|
repeat|until|
break|continue|
function|local|return|end|
rec|
quit|QUIT|
IsBound|Unbind|
TryNextMethod|
Info|Assert
)\b''', Keyword),
(r'''(?x)\b(?:
true|false|fail|infinity
)\b''',
Name.Constant),
(r'''(?x)\b(?:
(Declare|Install)([A-Z][A-Za-z]+)|
BindGlobal|BIND_GLOBAL
)\b''',
Name.Builtin),
(r'\.|,|:=|;|=|\+|-|\*|/|\^|>|<', Operator),
(r'''(?x)\b(?:
and|or|not|mod|in
)\b''',
Operator.Word),
(r'''(?x)
(?:\w+|`[^`]*`)
(?:::\w+|`[^`]*`)*''', Name.Variable),
(r'[0-9]+(?:\.[0-9]*)?(?:e[0-9]+)?', Number),
(r'\.[0-9]+(?:e[0-9]+)?', Number),
(r'.', Text)
],
}
def analyse_text(text):
score = 0.0
# Declaration part
if re.search(
r"(InstallTrueMethod|Declare(Attribute|Category|Filter|Operation" +
r"|GlobalFunction|Synonym|SynonymAttr|Property))", text
):
score += 0.7
# Implementation part
if re.search(
r"(DeclareRepresentation|Install(GlobalFunction|Method|" +
r"ImmediateMethod|OtherMethod)|New(Family|Type)|Objectify)", text
):
score += 0.7
return min(score, 1.0)
class MathematicaLexer(RegexLexer):
"""
Lexer for Mathematica source code.
.. versionadded:: 2.0
"""
name = 'Mathematica'
url = 'http://www.wolfram.com/mathematica/'
aliases = ['mathematica', 'mma', 'nb']
filenames = ['*.nb', '*.cdf', '*.nbp', '*.ma']
mimetypes = ['application/mathematica',
'application/vnd.wolfram.mathematica',
'application/vnd.wolfram.mathematica.package',
'application/vnd.wolfram.cdf']
# http://reference.wolfram.com/mathematica/guide/Syntax.html
operators = (
";;", "=", "=.", "!=" "==", ":=", "->", ":>", "/.", "+", "-", "*", "/",
"^", "&&", "||", "!", "<>", "|", "/;", "?", "@", "//", "/@", "@@",
"@@@", "~~", "===", "&", "<", ">", "<=", ">=",
)
punctuation = (",", ";", "(", ")", "[", "]", "{", "}")
def _multi_escape(entries):
return '(%s)' % ('|'.join(re.escape(entry) for entry in entries))
tokens = {
'root': [
(r'(?s)\(\*.*?\*\)', Comment),
(r'([a-zA-Z]+[A-Za-z0-9]*`)', Name.Namespace),
(r'([A-Za-z0-9]*_+[A-Za-z0-9]*)', Name.Variable),
(r'#\d*', Name.Variable),
(r'([a-zA-Z]+[a-zA-Z0-9]*)', Name),
(r'-?\d+\.\d*', Number.Float),
(r'-?\d*\.\d+', Number.Float),
(r'-?\d+', Number.Integer),
(words(operators), Operator),
(words(punctuation), Punctuation),
(r'".*?"', String),
(r'\s+', Text.Whitespace),
],
}
class MuPADLexer(RegexLexer):
"""
A MuPAD lexer.
Contributed by Christopher Creutzig <christopher@creutzig.de>.
.. versionadded:: 0.8
"""
name = 'MuPAD'
url = 'http://www.mupad.com'
aliases = ['mupad']
filenames = ['*.mu']
tokens = {
'root': [
(r'//.*?$', Comment.Single),
(r'/\*', Comment.Multiline, 'comment'),
(r'"(?:[^"\\]|\\.)*"', String),
(r'\(|\)|\[|\]|\{|\}', Punctuation),
(r'''(?x)\b(?:
next|break|end|
axiom|end_axiom|category|end_category|domain|end_domain|inherits|
if|%if|then|elif|else|end_if|
case|of|do|otherwise|end_case|
while|end_while|
repeat|until|end_repeat|
for|from|to|downto|step|end_for|
proc|local|option|save|begin|end_proc|
delete|frame
)\b''', Keyword),
(r'''(?x)\b(?:
DOM_ARRAY|DOM_BOOL|DOM_COMPLEX|DOM_DOMAIN|DOM_EXEC|DOM_EXPR|
DOM_FAIL|DOM_FLOAT|DOM_FRAME|DOM_FUNC_ENV|DOM_HFARRAY|DOM_IDENT|
DOM_INT|DOM_INTERVAL|DOM_LIST|DOM_NIL|DOM_NULL|DOM_POLY|DOM_PROC|
DOM_PROC_ENV|DOM_RAT|DOM_SET|DOM_STRING|DOM_TABLE|DOM_VAR
)\b''', Name.Class),
(r'''(?x)\b(?:
PI|EULER|E|CATALAN|
NIL|FAIL|undefined|infinity|
TRUE|FALSE|UNKNOWN
)\b''',
Name.Constant),
(r'\b(?:dom|procname)\b', Name.Builtin.Pseudo),
(r'\.|,|:|;|=|\+|-|\*|/|\^|@|>|<|\$|\||!|\'|%|~=', Operator),
(r'''(?x)\b(?:
and|or|not|xor|
assuming|
div|mod|
union|minus|intersect|in|subset
)\b''',
Operator.Word),
(r'\b(?:I|RDN_INF|RD_NINF|RD_NAN)\b', Number),
# (r'\b(?:adt|linalg|newDomain|hold)\b', Name.Builtin),
(r'''(?x)
((?:[a-zA-Z_#][\w#]*|`[^`]*`)
(?:::[a-zA-Z_#][\w#]*|`[^`]*`)*)(\s*)([(])''',
bygroups(Name.Function, Text, Punctuation)),
(r'''(?x)
(?:[a-zA-Z_#][\w#]*|`[^`]*`)
(?:::[a-zA-Z_#][\w#]*|`[^`]*`)*''', Name.Variable),
(r'[0-9]+(?:\.[0-9]*)?(?:e[0-9]+)?', Number),
(r'\.[0-9]+(?:e[0-9]+)?', Number),
(r'\s+', Whitespace),
(r'.', Text)
],
'comment': [
(r'[^/*]+', Comment.Multiline),
(r'/\*', Comment.Multiline, '#push'),
(r'\*/', Comment.Multiline, '#pop'),
(r'[*/]', Comment.Multiline)
],
}
class BCLexer(RegexLexer):
"""
A BC lexer.
.. versionadded:: 2.1
"""
name = 'BC'
url = 'https://www.gnu.org/software/bc/'
aliases = ['bc']
filenames = ['*.bc']
tokens = {
'root': [
(r'/\*', Comment.Multiline, 'comment'),
(r'"(?:[^"\\]|\\.)*"', String),
(r'[{}();,]', Punctuation),
(words(('if', 'else', 'while', 'for', 'break', 'continue',
'halt', 'return', 'define', 'auto', 'print', 'read',
'length', 'scale', 'sqrt', 'limits', 'quit',
'warranty'), suffix=r'\b'), Keyword),
(r'\+\+|--|\|\||&&|'
r'([-<>+*%\^/!=])=?', Operator),
# bc doesn't support exponential
(r'[0-9]+(\.[0-9]*)?', Number),
(r'\.[0-9]+', Number),
(r'.', Text)
],
'comment': [
(r'[^*/]+', Comment.Multiline),
(r'\*/', Comment.Multiline, '#pop'),
(r'[*/]', Comment.Multiline)
],
}