1. Georg Brandl
  2. pygments-main
  3. Issues
Issue #752 resolved

Add support for Ceylon language

Anonymous created an issue

Hi,

We've got a patch for adding support for Ceylon we'd like to send you, how can we do that?

I'll put it below in case that's good enough, I can't see how to attach a file here.

{{{

!python

class CeylonLexer(RegexLexer): """ For Ceylon <http://ceylon-lang.org/>_ source code. """

name = 'Ceylon'
aliases = ['ceylon']
filenames = ['*.ceylon']
mimetypes = ['text/x-ceylon']

flags = re.MULTILINE | re.DOTALL

#: optional Comment or Whitespace
_ws = r'(?:\s|//.*?\n|/[*].*?[*]/)+'

tokens = {
    'root': [
        # method names
        (r'^(\s*(?:[a-zA-Z_][a-zA-Z0-9_\.\[\]]*\s+)+?)' # return arguments
         r'([a-zA-Z_][a-zA-Z0-9_]*)'                    # method name
         r'(\s*)(\()',                                  # signature start
         bygroups(using(this), Name.Function, Text, Operator)),
        (r'[^\S\n]+', Text),
        (r'//.*?\n', Comment.Single),
        (r'/\*.*?\*/', Comment.Multiline),
        (r'(variable|shared|abstract|doc|by)', Name.Decorator),
        (r'(break|case|catch|continue|default|else|finally|for|in|variable|'
         r'if|return|switch|this|throw|try|while|is|exists|nonempty|then|outer)\b',
         Keyword),
        (r'(abstracts|extends|satisfies|adapts|'
         r'super|given|of|out|assign|'
         r'transient|volatile)\b', Keyword.Declaration),
        (r'(function|value|void)\b',
         Keyword.Type),
        (r'(package)(\s+)', bygroups(Keyword.Namespace, Text)),
        (r'(true|false|null)\b', Keyword.Constant),
        (r'(class|interface|object)(\s+)', bygroups(Keyword.Declaration, Text), 'class'),
        (r'(import)(\s+)', bygroups(Keyword.Namespace, Text), 'import'),
        (r'"(\\\\|\\"|[^"])*"', String),
        (r"'\\.'|'[^\\]'|'\\u[0-9a-f]{4}'", String.Quoted),
        (r"`\\.`|`[^\\]`|`\\u[0-9a-f]{4}`", String.Char),
        (r'(\.)([a-zA-Z_][a-zA-Z0-9_]*)', bygroups(Operator, Name.Attribute)),
        (r'[a-zA-Z_][a-zA-Z0-9_]*:', Name.Label),
        (r'[a-zA-Z_\$][a-zA-Z0-9_]*', Name),
        (r'[~\^\*!%&\[\]\(\)\{\}<>\|+=:;,./?-]', Operator),
        (r'\d{1,3}(_\d{3})+\.\d{1,3}(_\d{3})+[kMGPTmunpf]?', Number.Float),
        (r'\d{1,3}(_\d{3})+\.[0-9]+([eE][+-]?[0-9]+)?[kMGPTmunpf]?', Number.Float),
        (r'[0-9][0-9]*\.\d{1,3}(_\d{3})+[kMGPTmunpf]?', Number.Float),
        (r'[0-9][0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[kMGPTmunpf]?', Number.Float),
        (r'0x[0-9a-f]+', Number.Hex),
        (r'\d{1,3}(_\d{3})+[kMGPT]?', Number.Integer),
        (r'[0-9]+[kMGPT]?', Number.Integer),
        (r'\n', Text)
    ],
    'class': [
        (r'[a-zA-Z_][a-zA-Z0-9_]*', Name.Class, '#pop')
    ],
    'import': [
        (r'[a-zA-Z0-9_.]+\w+ \{([a-zA-Z,]+|\.\.\.)\}', Name.Namespace, '#pop')
    ],
}

}}}

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