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

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ADD: The original pygments-lexer-pseudocode project from GitHub. The commit is c455f4e283788932cf010b189e4b915871f3cff2.
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 19 Apr 2026 16:44:06 +0200
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1 import re
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2
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3 from pygments.lexer import RegexLexer, include, bygroups, using, this
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4 from pygments.token import Error, Punctuation, Text, Comment, Operator, Keyword, Name, String, Number
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7 class PseudocodeLexer(RegexLexer):
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8 '''
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9 A Pseudo code (fr) lexer
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10 '''
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11 name = 'Pseudocode'
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12 aliases = ['pseudocode', 'pseudo', 'algorithm', 'algo']
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13 filenames = ['*.algo', '*.pseudocode']
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14 mimetypes = []
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15 flags = re.IGNORECASE
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17 def op_replace(lexer, match):
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18 op = match.group(0)
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20 S = ('<=', '>=', '<>', '<-', '^')
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21 R = ('≤', '≥', '≠', '←', '↑')
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23 if op in S:
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24 op = R[S.index(op)]
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26 yield match.start(), Operator, op
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28 def scomment(lexer, match):
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29 s = match.group(1).lower().strip()
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30 c = Comment
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31
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32 directives = ['passage par copie', 'passage par valeur', 'passage par référence', 'passage par reference', 'passage par adresse', 've', 'vs', 've/s']
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33
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34 if s in directives:
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35 c = Comment.Special
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36
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37 yield match.start(), c, match.group(0)
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38
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39 tokens = {
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40 'root': [
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41 (r'\/\*.*\*\/', Comment),
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42 (r'(\/\/|#).*\n', Comment),
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43 (r'\|', Comment),
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44 (r'\{(.*)\}', scomment),
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45 include('strings'),
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46 include('core'),
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47 (r'[a-zéàùçèÉÀÙÇÈ][a-z0-9éàùçèÉÀÙÇÈ_]*', Name.Variable),
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48 include('nums'),
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49 (r'[\s]+', Text)
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50 ],
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51 'core':[ # Statements
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52 (r'\b(debut|début|fin|si|alors|sinon|fin[_ ]si|tant[ _]que|tantque|fin[ _]tantque|faire|répéter'
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53 r'repeter|type|structure|fin[ _]structure|fonction|procédure|procedure|retourner|renvoyer|'
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54 r'pour|fin[ _]pour|à|déclarations?|juqsque|spécialise|specialise|comporte|super|public|privé|protégé|'
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55 r'classe'
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56 r')\s*\b', Keyword),
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57
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58 # Data Types
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59 (r'\b(entiers?|chaines?|chaînes?|réels?|reels?|caractères?|caracteres?|booléens?|'
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60 r'booleens?|tableaux?|rien)\s*\b',
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61 Keyword.Type),
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62
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63 (r'\b(vrai|faux|nil)\s*\b',
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64 Name.Constant),
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65
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66 # Operators
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67 (r'(<=|>=|<>|<-|\^|\*|\+|-|\/|<|>|=|\\\\|mod|←|↑|≤|≥|≠|÷|×|\.\.|\[|\]|\.|non|xou|et|ou)',
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68 op_replace),
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69
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70 (r'(\(|\)|\,|\;|:)',
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71 Punctuation),
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72
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73 #(r'\b(\[(VE|VS|VE/S)\])\s*\b',
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74 # Keyword.Declaration),
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75
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76 # Intrinsics
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77 (r'\b(sqrt|pow|cos|sin|tan|arccos|arcsin|arctan|arctan2|lire|ecrire|écrire|'
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78 r'exp|ln|log|détruire|detruire'
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79 r')\s*\b', Name.Builtin)
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80 ],
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81
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82 'strings': [
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83 (r'"([^"])*"', String.Double),
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84 (r"'([^'])*'", String.Single),
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85 ],
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86
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87 'nums': [
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88 (r'\d+(?![.Ee])', Number.Integer),
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89 (r'[+-]?\d*\.\d+([eE][-+]?\d+)?', Number.Float),
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90 (r'[+-]?\d+\.\d*([eE][-+]?\d+)?', Number.Float)
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91 ],
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92 }
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93