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"""
    pygments.lexers.clearcase
    ~~~~~~~~~~~~~~~~~~~~~

    Lexers for clearcase

    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import Lexer, RegexLexer, ExtendedRegexLexer, include, \
    bygroups, default, LexerContext, do_insertions, words, line_re
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
    Number, Punctuation, Error, Generic, Whitespace
from pygments.util import shebang_matches


__all__ = ['ClearcaseLexer']


class ClearcaseLexer(RegexLexer):
    """
    Lexer for (ba|k|z|)sh shell scripts.
    """

    name = 'Clearcase'
    mimetypes = ['application/text']
    filenames = ['*.clr']
    aliases = ['clearcase']
    url = 'https://en.wikipedia.org/wiki/Unix_shell'
    version_added = '0.6'
    tokens = {
        'root': [
            include('basic'),
            (r'`', String.Backtick, 'backticks'),
            include('data'),
            include('interp'),
        ],
        'interp': [
            (r'\$\(\(', Keyword, 'math'),
            (r'\$\(', Keyword, 'paren'),
            (r'\$\{#?', String.Interpol, 'curly'),
            (r'\$[a-zA-Z_]\w*', Name.Variable),  # user variable
            (r'\$(?:\d+|[#$?!_*@-])', Name.Variable),      # builtin
            (r'\$', Text),
        ],
        'basic': [
            (r'\b(ct|clearcase)(\s*)\b',
             bygroups(Keyword, Whitespace)),
            (r'\b(chtype|rmname|rmelem|find|rmbranch|rmtype|mklbtype|mklabel|mkbrtype|rename|rmlabel,lsvob|lsview|setview|rmview|lsvob|pwv|checkout|checkin|co|ci|lsc)(?=[\s)])',
             Name.Builtin),
            (r'\A#!.+\n', Comment.Hashbang),
            (r'#.*\n', Comment.Single),
            (r'\\[\w\W]', String.Escape),
            (r'(\b\w+)(\s*)(\+?=)', bygroups(Name.Variable, Whitespace, Operator)),
            (r'[\[\]{}()=]', Operator),
            (r'<<<', Operator),  # here-string
            (r'<<-?\s*(\'?)\\?(\w+)[\w\W]+?\2', String),
            (r'&&|\|\|', Operator),
        ],
        'data': [
            (r'(?s)\$?"(\\.|[^"\\$])*"', String.Double),
            (r'"', String.Double, 'string'),
            (r"(?s)\$'(\\\\|\\[0-7]+|\\.|[^'\\])*'", String.Single),
            (r"(?s)'.*?'", String.Single),
            (r';', Punctuation),
            (r'&', Punctuation),
            (r'\|', Punctuation),
            (r'\s+', Whitespace),
            (r'\d+\b', Number),
            (r'[^=\s\[\]{}()$"\'`\\<&|;]+', Text),
            (r'<', Text),
        ],
        'string': [
            (r'"', String.Double, '#pop'),
            (r'(?s)(\\\\|\\[0-7]+|\\.|[^"\\$])+', String.Double),
            include('interp'),
        ],
        'curly': [
            (r'\}', String.Interpol, '#pop'),
            (r':-', Keyword),
            (r'\w+', Name.Variable),
            (r'[^}:"\'`$\\]+', Punctuation),
            (r':', Punctuation),
            include('root'),
        ],
        'paren': [
            (r'\)', Keyword, '#pop'),
            include('root'),
        ],
        'math': [
            (r'\)\)', Keyword, '#pop'),
            (r'\*\*|\|\||<<|>>|[-+*/%^|&<>]', Operator),
            (r'\d+#[\da-zA-Z]+', Number),
            (r'\d+#(?! )', Number),
            (r'0[xX][\da-fA-F]+', Number),
            (r'\d+', Number),
            (r'[a-zA-Z_]\w*', Name.Variable),  # user variable
            include('root'),
        ],
        'backticks': [
            (r'`', String.Backtick, '#pop'),
            include('root'),
        ],
    }
    def analyse_text(text):
        return 1