File size: 5,711 Bytes
9c6594c |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 |
"""
pygments.lexers.vip
~~~~~~~~~~~~~~~~~~~
Lexers for Visual Prolog & Grammar files.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, inherit, words, include
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['VisualPrologLexer', 'VisualPrologGrammarLexer']
class VisualPrologBaseLexer(RegexLexer):
minorendkw = ('try', 'foreach', 'if')
minorkwexp = ('and', 'catch', 'do', 'else', 'elseif', 'erroneous', 'externally', 'failure', 'finally', 'foreach', 'if', 'or', 'orelse', 'otherwise', 'then',
'try', 'div', 'mod', 'rem', 'quot')
dockw = ('short', 'detail', 'end', 'withdomain')
tokens = {
'root': [
(r'\s+', Whitespace),
(words(minorendkw, prefix=r'\bend\s+', suffix=r'\b'), Keyword.Minor),
(r'end', Keyword),
(words(minorkwexp, suffix=r'\b'), Keyword.Minor),
(r'0[xo][\da-fA-F_]+', Number),
(r'((\d[\d_]*)?\.)?\d[\d_]*([eE][\-+]?\d+)?', Number),
(r'_\w*', Name.Variable.Anonymous),
(r'[A-Z]\w*', Name.Variable),
(r'@\w+', Name.Variable),
(r'[a-z]\w*', Name),
(r'/\*', Comment, 'comment'),
(r'\%', Comment, 'commentline'),
(r'"', String.Symbol, 'string'),
(r'\'', String.Symbol, 'stringsingle'),
(r'@"', String.Symbol, 'atstring'),
(r'[\-+*^/!?<>=~:]+', Operator),
(r'[$,.[\]|(){}\\]+', Punctuation),
(r'.', Text),
],
'commentdoc': [
(words(dockw, prefix=r'@', suffix=r'\b'), Comment.Preproc),
(r'@', Comment),
],
'commentline': [
include('commentdoc'),
(r'[^@\n]+', Comment),
(r'$', Comment, '#pop'),
],
'comment': [
include('commentdoc'),
(r'[^@*/]+', Comment),
(r'/\*', Comment, '#push'),
(r'\*/', Comment, '#pop'),
(r'[*/]', Comment),
],
'stringescape': [
(r'\\u[0-9a-fA-F]{4}', String.Escape),
(r'\\[\'"ntr\\]', String.Escape),
],
'stringsingle': [
include('stringescape'),
(r'\'', String.Symbol, '#pop'),
(r'[^\'\\\n]+', String),
(r'\n', String.Escape.Error, '#pop'),
],
'string': [
include('stringescape'),
(r'"', String.Symbol, '#pop'),
(r'[^"\\\n]+', String),
(r'\n', String.Escape.Error, '#pop'),
],
'atstring': [
(r'""', String.Escape),
(r'"', String.Symbol, '#pop'),
(r'[^"]+', String),
]
}
class VisualPrologLexer(VisualPrologBaseLexer):
"""Lexer for VisualProlog
"""
name = 'Visual Prolog'
url = 'https://www.visual-prolog.com/'
aliases = ['visualprolog']
filenames = ['*.pro', '*.cl', '*.i', '*.pack', '*.ph']
version_added = '2.17'
majorkw = ('goal', 'namespace', 'interface', 'class', 'implement', 'where', 'open', 'inherits', 'supports', 'resolve',
'delegate', 'monitor', 'constants', 'domains', 'predicates', 'constructors', 'properties', 'clauses', 'facts')
minorkw = ('align', 'anyflow', 'as', 'bitsize', 'determ', 'digits', 'erroneous', 'externally', 'failure', 'from',
'guard', 'multi', 'nondeterm', 'or', 'orelse', 'otherwise', 'procedure', 'resolve', 'single', 'suspending')
directivekw = ('bininclude', 'else', 'elseif', 'endif', 'error', 'export', 'externally', 'from', 'grammargenerate',
'grammarinclude', 'if', 'include', 'message', 'options', 'orrequires', 'requires', 'stringinclude', 'then')
tokens = {
'root': [
(words(minorkw, suffix=r'\b'), Keyword.Minor),
(words(majorkw, suffix=r'\b'), Keyword),
(words(directivekw, prefix='#', suffix=r'\b'), Keyword.Directive),
inherit
]
}
def analyse_text(text):
"""Competes with IDL and Prolog on *.pro; div. lisps on*.cl and SwigLexer on *.i"""
# These are *really* good indicators (and not conflicting with the other languages)
# end-scope first on line e.g. 'end implement'
# section keyword alone on line e.g. 'clauses'
if re.search(r'^\s*(end\s+(interface|class|implement)|(clauses|predicates|domains|facts|constants|properties)\s*$)', text):
return 0.98
else:
return 0
class VisualPrologGrammarLexer(VisualPrologBaseLexer):
"""Lexer for VisualProlog grammar
"""
name = 'Visual Prolog Grammar'
url = 'https://www.visual-prolog.com/'
aliases = ['visualprologgrammar']
filenames = ['*.vipgrm']
version_added = '2.17'
majorkw = ('open', 'namespace', 'grammar', 'nonterminals',
'startsymbols', 'terminals', 'rules', 'precedence')
directivekw = ('bininclude', 'stringinclude')
tokens = {
'root': [
(words(majorkw, suffix=r'\b'), Keyword),
(words(directivekw, prefix='#', suffix=r'\b'), Keyword.Directive),
inherit
]
}
def analyse_text(text):
"""No competditors (currently)"""
# These are *really* good indicators
# end-scope first on line e.g. 'end grammar'
# section keyword alone on line e.g. 'rules'
if re.search(r'^\s*(end\s+grammar|(nonterminals|startsymbols|terminals|rules|precedence)\s*$)', text):
return 0.98
else:
return 0
|