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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
"""
pygments.lexers.smalltalk
~~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for Smalltalk and related languages.
:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, bygroups, default
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation
__all__ = ['SmalltalkLexer', 'NewspeakLexer']
class SmalltalkLexer(RegexLexer):
"""
For Smalltalk syntax.
Contributed by Stefan Matthias Aust.
Rewritten by Nils Winter.
"""
name = 'Smalltalk'
url = 'http://www.smalltalk.org/'
filenames = ['*.st']
aliases = ['smalltalk', 'squeak', 'st']
mimetypes = ['text/x-smalltalk']
version_added = '0.10'
tokens = {
'root': [
(r'(<)(\w+:)(.*?)(>)', bygroups(Text, Keyword, Text, Text)),
include('squeak fileout'),
include('whitespaces'),
include('method definition'),
(r'(\|)([\w\s]*)(\|)', bygroups(Operator, Name.Variable, Operator)),
include('objects'),
(r'\^|\:=|\_', Operator),
# temporaries
(r'[\]({}.;!]', Text),
],
'method definition': [
# Not perfect can't allow whitespaces at the beginning and the
# without breaking everything
(r'([a-zA-Z]+\w*:)(\s*)(\w+)',
bygroups(Name.Function, Text, Name.Variable)),
(r'^(\b[a-zA-Z]+\w*\b)(\s*)$', bygroups(Name.Function, Text)),
(r'^([-+*/\\~<>=|&!?,@%]+)(\s*)(\w+)(\s*)$',
bygroups(Name.Function, Text, Name.Variable, Text)),
],
'blockvariables': [
include('whitespaces'),
(r'(:)(\s*)(\w+)',
bygroups(Operator, Text, Name.Variable)),
(r'\|', Operator, '#pop'),
default('#pop'), # else pop
],
'literals': [
(r"'(''|[^'])*'", String, 'afterobject'),
(r'\$.', String.Char, 'afterobject'),
(r'#\(', String.Symbol, 'parenth'),
(r'\)', Text, 'afterobject'),
(r'(\d+r)?-?\d+(\.\d+)?(e-?\d+)?', Number, 'afterobject'),
],
'_parenth_helper': [
include('whitespaces'),
(r'(\d+r)?-?\d+(\.\d+)?(e-?\d+)?', Number),
(r'[-+*/\\~<>=|&#!?,@%\w:]+', String.Symbol),
# literals
(r"'(''|[^'])*'", String),
(r'\$.', String.Char),
(r'#*\(', String.Symbol, 'inner_parenth'),
],
'parenth': [
# This state is a bit tricky since
# we can't just pop this state
(r'\)', String.Symbol, ('root', 'afterobject')),
include('_parenth_helper'),
],
'inner_parenth': [
(r'\)', String.Symbol, '#pop'),
include('_parenth_helper'),
],
'whitespaces': [
# skip whitespace and comments
(r'\s+', Text),
(r'"(""|[^"])*"', Comment),
],
'objects': [
(r'\[', Text, 'blockvariables'),
(r'\]', Text, 'afterobject'),
(r'\b(self|super|true|false|nil|thisContext)\b',
Name.Builtin.Pseudo, 'afterobject'),
(r'\b[A-Z]\w*(?!:)\b', Name.Class, 'afterobject'),
(r'\b[a-z]\w*(?!:)\b', Name.Variable, 'afterobject'),
(r'#("(""|[^"])*"|[-+*/\\~<>=|&!?,@%]+|[\w:]+)',
String.Symbol, 'afterobject'),
include('literals'),
],
'afterobject': [
(r'! !$', Keyword, '#pop'), # squeak chunk delimiter
include('whitespaces'),
(r'\b(ifTrue:|ifFalse:|whileTrue:|whileFalse:|timesRepeat:)',
Name.Builtin, '#pop'),
(r'\b(new\b(?!:))', Name.Builtin),
(r'\:=|\_', Operator, '#pop'),
(r'\b[a-zA-Z]+\w*:', Name.Function, '#pop'),
(r'\b[a-zA-Z]+\w*', Name.Function),
(r'\w+:?|[-+*/\\~<>=|&!?,@%]+', Name.Function, '#pop'),
(r'\.', Punctuation, '#pop'),
(r';', Punctuation),
(r'[\])}]', Text),
(r'[\[({]', Text, '#pop'),
],
'squeak fileout': [
# Squeak fileout format (optional)
(r'^"(""|[^"])*"!', Keyword),
(r"^'(''|[^'])*'!", Keyword),
(r'^(!)(\w+)( commentStamp: )(.*?)( prior: .*?!\n)(.*?)(!)',
bygroups(Keyword, Name.Class, Keyword, String, Keyword, Text, Keyword)),
(r"^(!)(\w+(?: class)?)( methodsFor: )('(?:''|[^'])*')(.*?!)",
bygroups(Keyword, Name.Class, Keyword, String, Keyword)),
(r'^(\w+)( subclass: )(#\w+)'
r'(\s+instanceVariableNames: )(.*?)'
r'(\s+classVariableNames: )(.*?)'
r'(\s+poolDictionaries: )(.*?)'
r'(\s+category: )(.*?)(!)',
bygroups(Name.Class, Keyword, String.Symbol, Keyword, String, Keyword,
String, Keyword, String, Keyword, String, Keyword)),
(r'^(\w+(?: class)?)(\s+instanceVariableNames: )(.*?)(!)',
bygroups(Name.Class, Keyword, String, Keyword)),
(r'(!\n)(\].*)(! !)$', bygroups(Keyword, Text, Keyword)),
(r'! !$', Keyword),
],
}
class NewspeakLexer(RegexLexer):
"""
For Newspeak syntax.
"""
name = 'Newspeak'
url = 'http://newspeaklanguage.org/'
filenames = ['*.ns2']
aliases = ['newspeak', ]
mimetypes = ['text/x-newspeak']
version_added = '1.1'
tokens = {
'root': [
(r'\b(Newsqueak2)\b', Keyword.Declaration),
(r"'[^']*'", String),
(r'\b(class)(\s+)(\w+)(\s*)',
bygroups(Keyword.Declaration, Text, Name.Class, Text)),
(r'\b(mixin|self|super|private|public|protected|nil|true|false)\b',
Keyword),
(r'(\w+\:)(\s*)([a-zA-Z_]\w+)',
bygroups(Name.Function, Text, Name.Variable)),
(r'(\w+)(\s*)(=)',
bygroups(Name.Attribute, Text, Operator)),
(r'<\w+>', Comment.Special),
include('expressionstat'),
include('whitespace')
],
'expressionstat': [
(r'(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float),
(r'\d+', Number.Integer),
(r':\w+', Name.Variable),
(r'(\w+)(::)', bygroups(Name.Variable, Operator)),
(r'\w+:', Name.Function),
(r'\w+', Name.Variable),
(r'\(|\)', Punctuation),
(r'\[|\]', Punctuation),
(r'\{|\}', Punctuation),
(r'(\^|\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-|:)', Operator),
(r'\.|;', Punctuation),
include('whitespace'),
include('literals'),
],
'literals': [
(r'\$.', String),
(r"'[^']*'", String),
(r"#'[^']*'", String.Symbol),
(r"#\w+:?", String.Symbol),
(r"#(\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-)+", String.Symbol)
],
'whitespace': [
(r'\s+', Text),
(r'"[^"]*"', Comment)
],
}
|
