Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

1 files changed, 296 insertions, 296 deletions

diff --git a/contrib/python/Pygments/py3/pygments/lexers/crystal.py b/contrib/python/Pygments/py3/pygments/lexers/crystal.py
index 1f04e2e56a..d06ab0c060 100644
--- a/contrib/python/Pygments/py3/pygments/lexers/crystal.py
+++ b/contrib/python/Pygments/py3/pygments/lexers/crystal.py
@@ -1,366 +1,366 @@
-""" 
-    pygments.lexers.crystal 
-    ~~~~~~~~~~~~~~~~~~~~~~~ 
- 
-    Lexer for Crystal. 
- 
+"""
+    pygments.lexers.crystal
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexer for Crystal.
+
     :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
-    :license: BSD, see LICENSE for details. 
-""" 
- 
-import re 
- 
-from pygments.lexer import ExtendedRegexLexer, include, \ 
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import ExtendedRegexLexer, include, \
     bygroups, default, words
-from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ 
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
     Number, Punctuation, Error, Whitespace
- 
-__all__ = ['CrystalLexer'] 
- 
-line_re = re.compile('.*?\n') 
- 
- 
-CRYSTAL_OPERATORS = [ 
-    '!=', '!~', '!', '%', '&&', '&', '**', '*', '+', '-', '/', '<=>', '<<', '<=', '<', 
-    '===', '==', '=~', '=', '>=', '>>', '>', '[]=', '[]?', '[]', '^', '||', '|', '~' 
-] 
- 
- 
-class CrystalLexer(ExtendedRegexLexer): 
-    """ 
-    For `Crystal <http://crystal-lang.org>`_ source code. 
- 
-    .. versionadded:: 2.2 
-    """ 
- 
-    name = 'Crystal' 
-    aliases = ['cr', 'crystal'] 
-    filenames = ['*.cr'] 
-    mimetypes = ['text/x-crystal'] 
- 
-    flags = re.DOTALL | re.MULTILINE 
- 
-    def heredoc_callback(self, match, ctx): 
-        # okay, this is the hardest part of parsing Crystal... 
-        # match: 1 = <<-?, 2 = quote? 3 = name 4 = quote? 5 = rest of line 
- 
-        start = match.start(1) 
-        yield start, Operator, match.group(1)        # <<-? 
-        yield match.start(2), String.Heredoc, match.group(2)    # quote ", ', ` 
-        yield match.start(3), String.Delimiter, match.group(3)  # heredoc name 
-        yield match.start(4), String.Heredoc, match.group(4)    # quote again 
- 
-        heredocstack = ctx.__dict__.setdefault('heredocstack', []) 
-        outermost = not bool(heredocstack) 
-        heredocstack.append((match.group(1) == '<<-', match.group(3))) 
- 
-        ctx.pos = match.start(5) 
-        ctx.end = match.end(5) 
+
+__all__ = ['CrystalLexer']
+
+line_re = re.compile('.*?\n')
+
+
+CRYSTAL_OPERATORS = [
+    '!=', '!~', '!', '%', '&&', '&', '**', '*', '+', '-', '/', '<=>', '<<', '<=', '<',
+    '===', '==', '=~', '=', '>=', '>>', '>', '[]=', '[]?', '[]', '^', '||', '|', '~'
+]
+
+
+class CrystalLexer(ExtendedRegexLexer):
+    """
+    For `Crystal <http://crystal-lang.org>`_ source code.
+
+    .. versionadded:: 2.2
+    """
+
+    name = 'Crystal'
+    aliases = ['cr', 'crystal']
+    filenames = ['*.cr']
+    mimetypes = ['text/x-crystal']
+
+    flags = re.DOTALL | re.MULTILINE
+
+    def heredoc_callback(self, match, ctx):
+        # okay, this is the hardest part of parsing Crystal...
+        # match: 1 = <<-?, 2 = quote? 3 = name 4 = quote? 5 = rest of line
+
+        start = match.start(1)
+        yield start, Operator, match.group(1)        # <<-?
+        yield match.start(2), String.Heredoc, match.group(2)    # quote ", ', `
+        yield match.start(3), String.Delimiter, match.group(3)  # heredoc name
+        yield match.start(4), String.Heredoc, match.group(4)    # quote again
+
+        heredocstack = ctx.__dict__.setdefault('heredocstack', [])
+        outermost = not bool(heredocstack)
+        heredocstack.append((match.group(1) == '<<-', match.group(3)))
+
+        ctx.pos = match.start(5)
+        ctx.end = match.end(5)
         # this may find other heredocs, so limit the recursion depth
         if len(heredocstack) < 100:
             yield from self.get_tokens_unprocessed(context=ctx)
         else:
             yield ctx.pos, String.Heredoc, match.group(5)
-        ctx.pos = match.end() 
- 
-        if outermost: 
-            # this is the outer heredoc again, now we can process them all 
-            for tolerant, hdname in heredocstack: 
-                lines = [] 
-                for match in line_re.finditer(ctx.text, ctx.pos): 
-                    if tolerant: 
-                        check = match.group().strip() 
-                    else: 
-                        check = match.group().rstrip() 
-                    if check == hdname: 
-                        for amatch in lines: 
-                            yield amatch.start(), String.Heredoc, amatch.group() 
-                        yield match.start(), String.Delimiter, match.group() 
-                        ctx.pos = match.end() 
-                        break 
-                    else: 
-                        lines.append(match) 
-                else: 
-                    # end of heredoc not found -- error! 
-                    for amatch in lines: 
-                        yield amatch.start(), Error, amatch.group() 
-            ctx.end = len(ctx.text) 
-            del heredocstack[:] 
- 
-    def gen_crystalstrings_rules(): 
-        states = {} 
-        states['strings'] = [ 
+        ctx.pos = match.end()
+
+        if outermost:
+            # this is the outer heredoc again, now we can process them all
+            for tolerant, hdname in heredocstack:
+                lines = []
+                for match in line_re.finditer(ctx.text, ctx.pos):
+                    if tolerant:
+                        check = match.group().strip()
+                    else:
+                        check = match.group().rstrip()
+                    if check == hdname:
+                        for amatch in lines:
+                            yield amatch.start(), String.Heredoc, amatch.group()
+                        yield match.start(), String.Delimiter, match.group()
+                        ctx.pos = match.end()
+                        break
+                    else:
+                        lines.append(match)
+                else:
+                    # end of heredoc not found -- error!
+                    for amatch in lines:
+                        yield amatch.start(), Error, amatch.group()
+            ctx.end = len(ctx.text)
+            del heredocstack[:]
+
+    def gen_crystalstrings_rules():
+        states = {}
+        states['strings'] = [
             (r'\:\w+[!?]?', String.Symbol),
             (words(CRYSTAL_OPERATORS, prefix=r'\:'), String.Symbol),
             (r":'(\\\\|\\[^\\]|[^'\\])*'", String.Symbol),
-            # This allows arbitrary text after '\ for simplicity 
-            (r"'(\\\\|\\'|[^']|\\[^'\\]+)'", String.Char), 
-            (r':"', String.Symbol, 'simple-sym'), 
-            # Crystal doesn't have "symbol:"s but this simplifies function args 
-            (r'([a-zA-Z_]\w*)(:)(?!:)', bygroups(String.Symbol, Punctuation)), 
-            (r'"', String.Double, 'simple-string'), 
-            (r'(?<!\.)`', String.Backtick, 'simple-backtick'), 
-        ] 
- 
-        # double-quoted string and symbol 
-        for name, ttype, end in ('string', String.Double, '"'), \ 
-                                ('sym', String.Symbol, '"'), \ 
-                                ('backtick', String.Backtick, '`'): 
-            states['simple-'+name] = [ 
-                include('string-escaped' if name == 'sym' else 'string-intp-escaped'), 
-                (r'[^\\%s#]+' % end, ttype), 
-                (r'[\\#]', ttype), 
-                (end, ttype, '#pop'), 
-            ] 
- 
+            # This allows arbitrary text after '\ for simplicity
+            (r"'(\\\\|\\'|[^']|\\[^'\\]+)'", String.Char),
+            (r':"', String.Symbol, 'simple-sym'),
+            # Crystal doesn't have "symbol:"s but this simplifies function args
+            (r'([a-zA-Z_]\w*)(:)(?!:)', bygroups(String.Symbol, Punctuation)),
+            (r'"', String.Double, 'simple-string'),
+            (r'(?<!\.)`', String.Backtick, 'simple-backtick'),
+        ]
+
+        # double-quoted string and symbol
+        for name, ttype, end in ('string', String.Double, '"'), \
+                                ('sym', String.Symbol, '"'), \
+                                ('backtick', String.Backtick, '`'):
+            states['simple-'+name] = [
+                include('string-escaped' if name == 'sym' else 'string-intp-escaped'),
+                (r'[^\\%s#]+' % end, ttype),
+                (r'[\\#]', ttype),
+                (end, ttype, '#pop'),
+            ]
+
         # https://crystal-lang.org/docs/syntax_and_semantics/literals/string.html#percent-string-literals
-        for lbrace, rbrace, bracecc, name in \ 
-                ('\\{', '\\}', '{}', 'cb'), \ 
-                ('\\[', '\\]', '\\[\\]', 'sb'), \ 
-                ('\\(', '\\)', '()', 'pa'), \ 
+        for lbrace, rbrace, bracecc, name in \
+                ('\\{', '\\}', '{}', 'cb'), \
+                ('\\[', '\\]', '\\[\\]', 'sb'), \
+                ('\\(', '\\)', '()', 'pa'), \
                 ('<', '>', '<>', 'ab'), \
                 ('\\|', '\\|', '\\|', 'pi'):
-            states[name+'-intp-string'] = [ 
+            states[name+'-intp-string'] = [
                 (r'\\' + lbrace, String.Other),
             ] + (lbrace != rbrace) * [
-                (lbrace, String.Other, '#push'), 
+                (lbrace, String.Other, '#push'),
             ] + [
-                (rbrace, String.Other, '#pop'), 
-                include('string-intp-escaped'), 
-                (r'[\\#' + bracecc + ']', String.Other), 
-                (r'[^\\#' + bracecc + ']+', String.Other), 
-            ] 
+                (rbrace, String.Other, '#pop'),
+                include('string-intp-escaped'),
+                (r'[\\#' + bracecc + ']', String.Other),
+                (r'[^\\#' + bracecc + ']+', String.Other),
+            ]
             states['strings'].append((r'%Q?' + lbrace, String.Other,
-                                      name+'-intp-string')) 
-            states[name+'-string'] = [ 
-                (r'\\[\\' + bracecc + ']', String.Other), 
+                                      name+'-intp-string'))
+            states[name+'-string'] = [
+                (r'\\[\\' + bracecc + ']', String.Other),
             ] + (lbrace != rbrace) * [
-                (lbrace, String.Other, '#push'), 
+                (lbrace, String.Other, '#push'),
             ] + [
-                (rbrace, String.Other, '#pop'), 
-                (r'[\\#' + bracecc + ']', String.Other), 
-                (r'[^\\#' + bracecc + ']+', String.Other), 
-            ] 
+                (rbrace, String.Other, '#pop'),
+                (r'[\\#' + bracecc + ']', String.Other),
+                (r'[^\\#' + bracecc + ']+', String.Other),
+            ]
             # https://crystal-lang.org/docs/syntax_and_semantics/literals/array.html#percent-array-literals
             states['strings'].append((r'%[qwi]' + lbrace, String.Other,
-                                      name+'-string')) 
-            states[name+'-regex'] = [ 
-                (r'\\[\\' + bracecc + ']', String.Regex), 
+                                      name+'-string'))
+            states[name+'-regex'] = [
+                (r'\\[\\' + bracecc + ']', String.Regex),
             ] + (lbrace != rbrace) * [
-                (lbrace, String.Regex, '#push'), 
+                (lbrace, String.Regex, '#push'),
             ] + [
-                (rbrace + '[imsx]*', String.Regex, '#pop'), 
-                include('string-intp'), 
-                (r'[\\#' + bracecc + ']', String.Regex), 
-                (r'[^\\#' + bracecc + ']+', String.Regex), 
-            ] 
-            states['strings'].append((r'%r' + lbrace, String.Regex, 
-                                      name+'-regex')) 
- 
-        return states 
- 
-    tokens = { 
-        'root': [ 
-            (r'#.*?$', Comment.Single), 
-            # keywords 
-            (words(''' 
+                (rbrace + '[imsx]*', String.Regex, '#pop'),
+                include('string-intp'),
+                (r'[\\#' + bracecc + ']', String.Regex),
+                (r'[^\\#' + bracecc + ']+', String.Regex),
+            ]
+            states['strings'].append((r'%r' + lbrace, String.Regex,
+                                      name+'-regex'))
+
+        return states
+
+    tokens = {
+        'root': [
+            (r'#.*?$', Comment.Single),
+            # keywords
+            (words('''
                 abstract asm begin break case do else elsif end ensure extend if in
                 include next of private protected require rescue return select self super
                 then unless until when while with yield
-            '''.split(), suffix=r'\b'), Keyword), 
+            '''.split(), suffix=r'\b'), Keyword),
             (words('''
                 previous_def forall out uninitialized __DIR__ __FILE__ __LINE__
                 __END_LINE__
             '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Keyword.Pseudo),
             # https://crystal-lang.org/docs/syntax_and_semantics/is_a.html
             (r'\.(is_a\?|nil\?|responds_to\?|as\?|as\b)', Keyword.Pseudo),
-            (words(['true', 'false', 'nil'], suffix=r'\b'), Keyword.Constant), 
-            # start of function, class and module names 
-            (r'(module|lib)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)', 
+            (words(['true', 'false', 'nil'], suffix=r'\b'), Keyword.Constant),
+            # start of function, class and module names
+            (r'(module|lib)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)',
              bygroups(Keyword, Whitespace, Name.Namespace)),
-            (r'(def|fun|macro)(\s+)((?:[a-zA-Z_]\w*::)*)', 
+            (r'(def|fun|macro)(\s+)((?:[a-zA-Z_]\w*::)*)',
              bygroups(Keyword, Whitespace, Name.Namespace), 'funcname'),
-            (r'def(?=[*%&^`~+-/\[<>=])', Keyword, 'funcname'), 
+            (r'def(?=[*%&^`~+-/\[<>=])', Keyword, 'funcname'),
             (r'(annotation|class|struct|union|type|alias|enum)(\s+)((?:[a-zA-Z_]\w*::)*)',
              bygroups(Keyword, Whitespace, Name.Namespace), 'classname'),
             # https://crystal-lang.org/api/toplevel.html
             (words('''
                 instance_sizeof offsetof pointerof sizeof typeof
             '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Keyword.Pseudo),
-            # macros 
+            # macros
             (r'(?<!\.)(debugger\b|p!|pp!|record\b|spawn\b)', Name.Builtin.Pseudo),
-            # builtins 
-            (words(''' 
+            # builtins
+            (words('''
                 abort at_exit caller exit gets loop main p pp print printf puts
                 raise rand read_line sleep spawn sprintf system
-            '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Name.Builtin), 
+            '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Name.Builtin),
             # https://crystal-lang.org/api/Object.html#macro-summary
             (r'(?<!\.)(((class_)?((getter|property)\b[!?]?|setter\b))|'
              r'(def_(clone|equals|equals_and_hash|hash)|delegate|forward_missing_to)\b)',
              Name.Builtin.Pseudo),
-            # normal heredocs 
-            (r'(?<!\w)(<<-?)(["`\']?)([a-zA-Z_]\w*)(\2)(.*?\n)', 
-             heredoc_callback), 
-            # empty string heredocs 
-            (r'(<<-?)("|\')()(\2)(.*?\n)', heredoc_callback), 
-            (r'__END__', Comment.Preproc, 'end-part'), 
-            # multiline regex (after keywords or assignments) 
-            (r'(?:^|(?<=[=<>~!:])|' 
-             r'(?<=(?:\s|;)when\s)|' 
-             r'(?<=(?:\s|;)or\s)|' 
-             r'(?<=(?:\s|;)and\s)|' 
-             r'(?<=\.index\s)|' 
-             r'(?<=\.scan\s)|' 
-             r'(?<=\.sub\s)|' 
-             r'(?<=\.sub!\s)|' 
-             r'(?<=\.gsub\s)|' 
-             r'(?<=\.gsub!\s)|' 
-             r'(?<=\.match\s)|' 
-             r'(?<=(?:\s|;)if\s)|' 
-             r'(?<=(?:\s|;)elsif\s)|' 
-             r'(?<=^when\s)|' 
-             r'(?<=^index\s)|' 
-             r'(?<=^scan\s)|' 
-             r'(?<=^sub\s)|' 
-             r'(?<=^gsub\s)|' 
-             r'(?<=^sub!\s)|' 
-             r'(?<=^gsub!\s)|' 
-             r'(?<=^match\s)|' 
-             r'(?<=^if\s)|' 
-             r'(?<=^elsif\s)' 
+            # normal heredocs
+            (r'(?<!\w)(<<-?)(["`\']?)([a-zA-Z_]\w*)(\2)(.*?\n)',
+             heredoc_callback),
+            # empty string heredocs
+            (r'(<<-?)("|\')()(\2)(.*?\n)', heredoc_callback),
+            (r'__END__', Comment.Preproc, 'end-part'),
+            # multiline regex (after keywords or assignments)
+            (r'(?:^|(?<=[=<>~!:])|'
+             r'(?<=(?:\s|;)when\s)|'
+             r'(?<=(?:\s|;)or\s)|'
+             r'(?<=(?:\s|;)and\s)|'
+             r'(?<=\.index\s)|'
+             r'(?<=\.scan\s)|'
+             r'(?<=\.sub\s)|'
+             r'(?<=\.sub!\s)|'
+             r'(?<=\.gsub\s)|'
+             r'(?<=\.gsub!\s)|'
+             r'(?<=\.match\s)|'
+             r'(?<=(?:\s|;)if\s)|'
+             r'(?<=(?:\s|;)elsif\s)|'
+             r'(?<=^when\s)|'
+             r'(?<=^index\s)|'
+             r'(?<=^scan\s)|'
+             r'(?<=^sub\s)|'
+             r'(?<=^gsub\s)|'
+             r'(?<=^sub!\s)|'
+             r'(?<=^gsub!\s)|'
+             r'(?<=^match\s)|'
+             r'(?<=^if\s)|'
+             r'(?<=^elsif\s)'
              r')(\s*)(/)', bygroups(Whitespace, String.Regex), 'multiline-regex'),
-            # multiline regex (in method calls or subscripts) 
-            (r'(?<=\(|,|\[)/', String.Regex, 'multiline-regex'), 
-            # multiline regex (this time the funny no whitespace rule) 
+            # multiline regex (in method calls or subscripts)
+            (r'(?<=\(|,|\[)/', String.Regex, 'multiline-regex'),
+            # multiline regex (this time the funny no whitespace rule)
             (r'(\s+)(/)(?![\s=])', bygroups(Whitespace, String.Regex),
-             'multiline-regex'), 
-            # lex numbers and ignore following regular expressions which 
-            # are division operators in fact (grrrr. i hate that. any 
-            # better ideas?) 
-            # since pygments 0.7 we also eat a "?" operator after numbers 
-            # so that the char operator does not work. Chars are not allowed 
-            # there so that you can use the ternary operator. 
-            # stupid example: 
-            #   x>=0?n[x]:"" 
-            (r'(0o[0-7]+(?:_[0-7]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', 
+             'multiline-regex'),
+            # lex numbers and ignore following regular expressions which
+            # are division operators in fact (grrrr. i hate that. any
+            # better ideas?)
+            # since pygments 0.7 we also eat a "?" operator after numbers
+            # so that the char operator does not work. Chars are not allowed
+            # there so that you can use the ternary operator.
+            # stupid example:
+            #   x>=0?n[x]:""
+            (r'(0o[0-7]+(?:_[0-7]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?',
              bygroups(Number.Oct, Whitespace, Operator)),
-            (r'(0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', 
+            (r'(0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?',
              bygroups(Number.Hex, Whitespace, Operator)),
-            (r'(0b[01]+(?:_[01]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', 
+            (r'(0b[01]+(?:_[01]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?',
              bygroups(Number.Bin, Whitespace, Operator)),
-            # 3 separate expressions for floats because any of the 3 optional 
-            # parts makes it a float 
-            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)(?:e[+-]?[0-9]+)?' 
-             r'(?:_?f[0-9]+)?)(\s*)([/?])?', 
+            # 3 separate expressions for floats because any of the 3 optional
+            # parts makes it a float
+            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)(?:e[+-]?[0-9]+)?'
+             r'(?:_?f[0-9]+)?)(\s*)([/?])?',
              bygroups(Number.Float, Whitespace, Operator)),
-            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)' 
-             r'(?:_?f[0-9]+)?)(\s*)([/?])?', 
+            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)'
+             r'(?:_?f[0-9]+)?)(\s*)([/?])?',
              bygroups(Number.Float, Whitespace, Operator)),
-            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)?' 
-             r'(?:_?f[0-9]+))(\s*)([/?])?', 
+            (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)?'
+             r'(?:_?f[0-9]+))(\s*)([/?])?',
              bygroups(Number.Float, Whitespace, Operator)),
-            (r'(0\b|[1-9][\d]*(?:_\d+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', 
+            (r'(0\b|[1-9][\d]*(?:_\d+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?',
              bygroups(Number.Integer, Whitespace, Operator)),
-            # Names 
-            (r'@@[a-zA-Z_]\w*', Name.Variable.Class), 
-            (r'@[a-zA-Z_]\w*', Name.Variable.Instance), 
-            (r'\$\w+', Name.Variable.Global), 
-            (r'\$[!@&`\'+~=/\\,;.<>_*$?:"^-]', Name.Variable.Global), 
-            (r'\$-[0adFiIlpvw]', Name.Variable.Global), 
-            (r'::', Operator), 
-            include('strings'), 
+            # Names
+            (r'@@[a-zA-Z_]\w*', Name.Variable.Class),
+            (r'@[a-zA-Z_]\w*', Name.Variable.Instance),
+            (r'\$\w+', Name.Variable.Global),
+            (r'\$[!@&`\'+~=/\\,;.<>_*$?:"^-]', Name.Variable.Global),
+            (r'\$-[0adFiIlpvw]', Name.Variable.Global),
+            (r'::', Operator),
+            include('strings'),
             # https://crystal-lang.org/reference/syntax_and_semantics/literals/char.html
-            (r'\?(\\[MC]-)*'  # modifiers 
+            (r'\?(\\[MC]-)*'  # modifiers
              r'(\\([\\abefnrtv#"\']|[0-7]{1,3}|x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|u\{[a-fA-F0-9 ]+\})|\S)'
-             r'(?!\w)', 
-             String.Char), 
+             r'(?!\w)',
+             String.Char),
             (r'[A-Z][A-Z_]+\b(?!::|\.)', Name.Constant),
-            # macro expansion 
-            (r'\{%', String.Interpol, 'in-macro-control'), 
-            (r'\{\{', String.Interpol, 'in-macro-expr'), 
+            # macro expansion
+            (r'\{%', String.Interpol, 'in-macro-control'),
+            (r'\{\{', String.Interpol, 'in-macro-expr'),
             # annotations
             (r'(@\[)(\s*)([A-Z]\w*(::[A-Z]\w*)*)',
              bygroups(Operator, Whitespace, Name.Decorator), 'in-annot'),
-            # this is needed because Crystal attributes can look 
-            # like keywords (class) or like this: ` ?!? 
-            (words(CRYSTAL_OPERATORS, prefix=r'(\.|::)'), 
-             bygroups(Operator, Name.Operator)), 
-            (r'(\.|::)([a-zA-Z_]\w*[!?]?|[*%&^`~+\-/\[<>=])', 
-             bygroups(Operator, Name)), 
-            # Names can end with [!?] unless it's "!=" 
-            (r'[a-zA-Z_]\w*(?:[!?](?!=))?', Name), 
-            (r'(\[|\]\??|\*\*|<=>?|>=|<<?|>>?|=~|===|' 
-             r'!~|&&?|\|\||\.{1,3})', Operator), 
-            (r'[-+/*%=<>&!^|~]=?', Operator), 
-            (r'[(){};,/?:\\]', Punctuation), 
+            # this is needed because Crystal attributes can look
+            # like keywords (class) or like this: ` ?!?
+            (words(CRYSTAL_OPERATORS, prefix=r'(\.|::)'),
+             bygroups(Operator, Name.Operator)),
+            (r'(\.|::)([a-zA-Z_]\w*[!?]?|[*%&^`~+\-/\[<>=])',
+             bygroups(Operator, Name)),
+            # Names can end with [!?] unless it's "!="
+            (r'[a-zA-Z_]\w*(?:[!?](?!=))?', Name),
+            (r'(\[|\]\??|\*\*|<=>?|>=|<<?|>>?|=~|===|'
+             r'!~|&&?|\|\||\.{1,3})', Operator),
+            (r'[-+/*%=<>&!^|~]=?', Operator),
+            (r'[(){};,/?:\\]', Punctuation),
             (r'\s+', Whitespace)
-        ], 
-        'funcname': [ 
-            (r'(?:([a-zA-Z_]\w*)(\.))?' 
-             r'([a-zA-Z_]\w*[!?]?|\*\*?|[-+]@?|' 
-             r'[/%&|^`~]|\[\]=?|<<|>>|<=?>|>=?|===?)', 
-             bygroups(Name.Class, Operator, Name.Function), '#pop'), 
-            default('#pop') 
-        ], 
-        'classname': [ 
-            (r'[A-Z_]\w*', Name.Class), 
-            (r'(\()(\s*)([A-Z_]\w*)(\s*)(\))', 
+        ],
+        'funcname': [
+            (r'(?:([a-zA-Z_]\w*)(\.))?'
+             r'([a-zA-Z_]\w*[!?]?|\*\*?|[-+]@?|'
+             r'[/%&|^`~]|\[\]=?|<<|>>|<=?>|>=?|===?)',
+             bygroups(Name.Class, Operator, Name.Function), '#pop'),
+            default('#pop')
+        ],
+        'classname': [
+            (r'[A-Z_]\w*', Name.Class),
+            (r'(\()(\s*)([A-Z_]\w*)(\s*)(\))',
              bygroups(Punctuation, Whitespace, Name.Class, Whitespace, Punctuation)),
-            default('#pop') 
-        ], 
-        'in-intp': [ 
-            (r'\{', String.Interpol, '#push'), 
-            (r'\}', String.Interpol, '#pop'), 
-            include('root'), 
-        ], 
-        'string-intp': [ 
-            (r'#\{', String.Interpol, 'in-intp'), 
-        ], 
-        'string-escaped': [ 
+            default('#pop')
+        ],
+        'in-intp': [
+            (r'\{', String.Interpol, '#push'),
+            (r'\}', String.Interpol, '#pop'),
+            include('root'),
+        ],
+        'string-intp': [
+            (r'#\{', String.Interpol, 'in-intp'),
+        ],
+        'string-escaped': [
             # https://crystal-lang.org/reference/syntax_and_semantics/literals/string.html
             (r'\\([\\abefnrtv#"\']|[0-7]{1,3}|x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|u\{[a-fA-F0-9 ]+\})',
              String.Escape)
-        ], 
-        'string-intp-escaped': [ 
-            include('string-intp'), 
-            include('string-escaped'), 
-        ], 
-        'interpolated-regex': [ 
-            include('string-intp'), 
-            (r'[\\#]', String.Regex), 
-            (r'[^\\#]+', String.Regex), 
-        ], 
-        'interpolated-string': [ 
-            include('string-intp'), 
-            (r'[\\#]', String.Other), 
-            (r'[^\\#]+', String.Other), 
-        ], 
-        'multiline-regex': [ 
-            include('string-intp'), 
-            (r'\\\\', String.Regex), 
-            (r'\\/', String.Regex), 
-            (r'[\\#]', String.Regex), 
-            (r'[^\\/#]+', String.Regex), 
-            (r'/[imsx]*', String.Regex, '#pop'), 
-        ], 
-        'end-part': [ 
-            (r'.+', Comment.Preproc, '#pop') 
-        ], 
-        'in-macro-control': [ 
-            (r'\{%', String.Interpol, '#push'), 
-            (r'%\}', String.Interpol, '#pop'), 
+        ],
+        'string-intp-escaped': [
+            include('string-intp'),
+            include('string-escaped'),
+        ],
+        'interpolated-regex': [
+            include('string-intp'),
+            (r'[\\#]', String.Regex),
+            (r'[^\\#]+', String.Regex),
+        ],
+        'interpolated-string': [
+            include('string-intp'),
+            (r'[\\#]', String.Other),
+            (r'[^\\#]+', String.Other),
+        ],
+        'multiline-regex': [
+            include('string-intp'),
+            (r'\\\\', String.Regex),
+            (r'\\/', String.Regex),
+            (r'[\\#]', String.Regex),
+            (r'[^\\/#]+', String.Regex),
+            (r'/[imsx]*', String.Regex, '#pop'),
+        ],
+        'end-part': [
+            (r'.+', Comment.Preproc, '#pop')
+        ],
+        'in-macro-control': [
+            (r'\{%', String.Interpol, '#push'),
+            (r'%\}', String.Interpol, '#pop'),
             (r'(for|verbatim)\b', Keyword),
-            include('root'), 
-        ], 
-        'in-macro-expr': [ 
-            (r'\{\{', String.Interpol, '#push'), 
-            (r'\}\}', String.Interpol, '#pop'), 
-            include('root'), 
-        ], 
+            include('root'),
+        ],
+        'in-macro-expr': [
+            (r'\{\{', String.Interpol, '#push'),
+            (r'\}\}', String.Interpol, '#pop'),
+            include('root'),
+        ],
         'in-annot': [
-            (r'\[', Operator, '#push'), 
-            (r'\]', Operator, '#pop'), 
-            include('root'), 
-        ], 
-    } 
-    tokens.update(gen_crystalstrings_rules()) 
+            (r'\[', Operator, '#push'),
+            (r'\]', Operator, '#pop'),
+            include('root'),
+        ],
+    }
+    tokens.update(gen_crystalstrings_rules())