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Diffstat (limited to 'venv/lib/python3.11/site-packages/pygments/lexers/elpi.py')
| -rw-r--r-- | venv/lib/python3.11/site-packages/pygments/lexers/elpi.py | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/pygments/lexers/elpi.py b/venv/lib/python3.11/site-packages/pygments/lexers/elpi.py new file mode 100644 index 0000000..6fc8b50 --- /dev/null +++ b/venv/lib/python3.11/site-packages/pygments/lexers/elpi.py @@ -0,0 +1,173 @@ +""" + pygments.lexers.elpi + ~~~~~~~~~~~~~~~~~~~~ + + Lexer for the `Elpi <http://github.com/LPCIC/elpi>`_ programming language. + + :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +from pygments.lexer import RegexLexer, bygroups, include +from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ + Number, Punctuation + +__all__ = ['ElpiLexer'] + + +class ElpiLexer(RegexLexer): + """ + Lexer for the Elpi programming language. + + .. versionadded:: 2.11 + """ + + name = 'Elpi' + url = 'http://github.com/LPCIC/elpi' + aliases = ['elpi'] + filenames = ['*.elpi'] + mimetypes = ['text/x-elpi'] + + lcase_re = r"[a-z]" + ucase_re = r"[A-Z]" + digit_re = r"[0-9]" + schar2_re = r"([+*^?/<>`'@#~=&!])" + schar_re = r"({}|-|\$|_)".format(schar2_re) + idchar_re = r"({}|{}|{}|{})".format(lcase_re,ucase_re,digit_re,schar_re) + idcharstarns_re = r"({}*(\.({}|{}){}*)*)".format(idchar_re, lcase_re, ucase_re, idchar_re) + symbchar_re = r"({}|{}|{}|{}|:)".format(lcase_re, ucase_re, digit_re, schar_re) + constant_re = r"({}{}*|{}{}|{}{}*|_{}+)".format(ucase_re, idchar_re, lcase_re, idcharstarns_re, schar2_re, symbchar_re, idchar_re) + symbol_re = r"(,|<=>|->|:-|;|\?-|->|&|=>|\bas\b|\buvar\b|<|=<|=|==|>=|>|\bi<|\bi=<|\bi>=|\bi>|\bis\b|\br<|\br=<|\br>=|\br>|\bs<|\bs=<|\bs>=|\bs>|@|::|\[\]|`->|`:|`:=|\^|-|\+|\bi-|\bi\+|r-|r\+|/|\*|\bdiv\b|\bi\*|\bmod\b|\br\*|~|\bi~|\br~)" + escape_re = r"\(({}|{})\)".format(constant_re,symbol_re) + const_sym_re = r"({}|{}|{})".format(constant_re,symbol_re,escape_re) + + tokens = { + 'root': [ + include('elpi') + ], + + 'elpi': [ + include('_elpi-comment'), + + (r"(:before|:after|:if|:name)(\s*)(\")", + bygroups(Keyword.Mode, Text.Whitespace, String.Double), + 'elpi-string'), + (r"(:index)(\s*\()", bygroups(Keyword.Mode, Text.Whitespace), + 'elpi-indexing-expr'), + (r"\b(external pred|pred)(\s+)({})".format(const_sym_re), + bygroups(Keyword.Declaration, Text.Whitespace, Name.Function), + 'elpi-pred-item'), + (r"\b(external type|type)(\s+)(({}(,\s*)?)+)".format(const_sym_re), + bygroups(Keyword.Declaration, Text.Whitespace, Name.Function), + 'elpi-type'), + (r"\b(kind)(\s+)(({}|,)+)".format(const_sym_re), + bygroups(Keyword.Declaration, Text.Whitespace, Name.Function), + 'elpi-type'), + (r"\b(typeabbrev)(\s+)({})".format(const_sym_re), + bygroups(Keyword.Declaration, Text.Whitespace, Name.Function), + 'elpi-type'), + (r"\b(accumulate)(\s+)(\")", + bygroups(Keyword.Declaration, Text.Whitespace, String.Double), + 'elpi-string'), + (r"\b(accumulate|namespace|local)(\s+)({})".format(constant_re), + bygroups(Keyword.Declaration, Text.Whitespace, Text)), + (r"\b(shorten)(\s+)({}\.)".format(constant_re), + bygroups(Keyword.Declaration, Text.Whitespace, Text)), + (r"\b(pi|sigma)(\s+)([a-zA-Z][A-Za-z0-9_ ]*)(\\)", + bygroups(Keyword.Declaration, Text.Whitespace, Name.Variable, Text)), + (r"\b(constraint)(\s+)(({}(\s+)?)+)".format(const_sym_re), + bygroups(Keyword.Declaration, Text.Whitespace, Name.Function), + 'elpi-chr-rule-start'), + + (r"(?=[A-Z_]){}".format(constant_re), Name.Variable), + (r"(?=[a-z_]){}\\".format(constant_re), Name.Variable), + (r"_", Name.Variable), + (r"({}|!|=>|;)".format(symbol_re), Keyword.Declaration), + (constant_re, Text), + (r"\[|\]|\||=>", Keyword.Declaration), + (r'"', String.Double, 'elpi-string'), + (r'`', String.Double, 'elpi-btick'), + (r'\'', String.Double, 'elpi-tick'), + (r'\{\{', Punctuation, 'elpi-quote'), + (r'\{[^\{]', Text, 'elpi-spill'), + (r"\(", Text, 'elpi-in-parens'), + (r'\d[\d_]*', Number.Integer), + (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float), + (r"[\+\*\-/\^\.]", Operator), + ], + '_elpi-comment': [ + (r'%[^\n]*\n', Comment), + (r'/\*', Comment, 'elpi-multiline-comment'), + (r"\s+", Text.Whitespace), + ], + 'elpi-multiline-comment': [ + (r'\*/', Comment, '#pop'), + (r'.', Comment) + ], + 'elpi-indexing-expr':[ + (r'[0-9 _]+', Number.Integer), + (r'\)', Text, '#pop'), + ], + 'elpi-type': [ + (r"(ctype\s+)(\")", bygroups(Keyword.Type, String.Double), 'elpi-string'), + (r'->', Keyword.Type), + (constant_re, Keyword.Type), + (r"\(|\)", Keyword.Type), + (r"\.", Text, '#pop'), + include('_elpi-comment'), + ], + 'elpi-chr-rule-start': [ + (r"\{", Text, 'elpi-chr-rule'), + include('_elpi-comment'), + ], + 'elpi-chr-rule': [ + (r"\brule\b", Keyword.Declaration), + (r"\\", Keyword.Declaration), + (r"\}", Text, '#pop:2'), + include('elpi'), + ], + 'elpi-pred-item': [ + (r"[io]:", Keyword.Mode, 'elpi-ctype'), + (r"\.", Text, '#pop'), + include('_elpi-comment'), + ], + 'elpi-ctype': [ + (r"(ctype\s+)(\")", bygroups(Keyword.Type, String.Double), 'elpi-string'), + (r'->', Keyword.Type), + (constant_re, Keyword.Type), + (r"\(|\)", Keyword.Type), + (r",", Text, '#pop'), + (r"\.", Text, '#pop:2'), + include('_elpi-comment'), + ], + 'elpi-btick': [ + (r'[^` ]+', String.Double), + (r'`', String.Double, '#pop'), + ], + 'elpi-tick': [ + (r'[^\' ]+', String.Double), + (r'\'', String.Double, '#pop'), + ], + 'elpi-string': [ + (r'[^\"]+', String.Double), + (r'"', String.Double, '#pop'), + ], + 'elpi-quote': [ + (r'\{\{', Punctuation, '#push'), + (r'\}\}', Punctuation, '#pop'), + (r"(lp:)((?=[A-Z_]){})".format(constant_re), bygroups(Keyword, Name.Variable)), + (r"[^l\}]+", Text), + (r"l|\}", Text), + ], + 'elpi-spill': [ + (r'\{[^\{]', Text, '#push'), + (r'\}[^\}]', Text, '#pop'), + include('elpi'), + ], + 'elpi-in-parens': [ + (r"\(", Operator, '#push'), + (r"\)", Operator, '#pop'), + include('elpi'), + ], + + } |