Mercurial > hgrepos > Python > libs > pygments-lexer-pseudocode2

annotate pygments_lexer_pseudocode2/pseudocode.py @ 34:1f741934205e

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Begin a new Pseudocode lexer using numbers and strings from Python
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 21 Apr 2026 19:40:08 +0200
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children d9a3551a1038
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1f741934205e Begin a new Pseudocode lexer using numbers and strings from Python
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1 # -*- coding: utf-8 -*-
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2 # :-
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3 # SPDX-FileCopyrightText: © 2026 Franz Glasner
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4 # SPDX-License-Identifier: MIT
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5 # :-
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6 r"""A pseudocode lexer along the lines of CTAN's algpseudocode or
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7 algpseudocodex.
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8
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9 """
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10
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11 __all__ = ["PseudocodeLexer"]
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12
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13
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14 import re
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15
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16 from pygments.lexer import include
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17 from pygments.token import (Text, Whitespace)
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18
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19 #
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20 # Relative imports do not work with pygments.lexers.load_lexer_from_file()
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21 # in all of our supported Python releases.
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22 #
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23 from pygments_lexer_pseudocode2.bases import LexBase
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26 class PseudocodeLexer(LexBase):
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27
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28 """A pseudocode lexer along the lines of CTAN's algpseudocode or
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29 algpseudocodex.
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30
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31 Some ideas (e.g. strings) are borrowed from Pygment's Python lexer.
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32
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33 """
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34
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35 name = "Pseudocode"
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36 aliases = ["pseudocode", "pseudo", "algorithm", "algo"]
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37 filenames = ["*.algo", "*.pseudocode"]
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38 mimetypes = []
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39 flags = re.MULTILINE
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40
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41 tokens = {
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42 "root": [
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43 (r"\n", Whitespace),
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44 (r"\\\n", Text),
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45 include("expr"),
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46 ],
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47 "expr": [
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48 include("py-strings"),
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49 include("py-numbers"),
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50 ]
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51 }