// This is a TextMate grammar distributed by `starry-night`.
// This grammar is developed at
// <https://github.com/dotnet/csharp-tmLanguage>
// and licensed `mit`.
// See <https://github.com/wooorm/starry-night> for more info.
/**
 * @import {Grammar} from '@wooorm/starry-night'
 */

/** @type {Grammar} */
const grammar = {
  extensions: ['.bf', '.cake', '.cs', '.cs.pp', '.csx', '.eq', '.linq', '.uno'],
  names: ['beef', 'c#', 'cake', 'cakescript', 'csharp', 'eq', 'uno'],
  patterns: [
    {include: '#preprocessor'},
    {include: '#comment'},
    {include: '#directives'},
    {include: '#declarations'},
    {include: '#script-top-level'}
  ],
  repository: {
    'accessor-getter': {
      patterns: [
        {
          begin: '\\{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.cs'}},
          contentName: 'meta.accessor.getter.cs',
          end: '\\}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.cs'}},
          patterns: [{include: '#statement'}]
        },
        {include: '#accessor-getter-expression'},
        {include: '#punctuation-semicolon'}
      ]
    },
    'accessor-getter-expression': {
      begin: '=>',
      beginCaptures: {0: {name: 'keyword.operator.arrow.cs'}},
      contentName: 'meta.accessor.getter.cs',
      end: '(?=;|\\})',
      patterns: [{include: '#ref-modifier'}, {include: '#expression'}]
    },
    'accessor-setter': {
      patterns: [
        {
          begin: '\\{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.cs'}},
          contentName: 'meta.accessor.setter.cs',
          end: '\\}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.cs'}},
          patterns: [{include: '#statement'}]
        },
        {
          begin: '=>',
          beginCaptures: {0: {name: 'keyword.operator.arrow.cs'}},
          contentName: 'meta.accessor.setter.cs',
          end: '(?=;|\\})',
          patterns: [{include: '#ref-modifier'}, {include: '#expression'}]
        },
        {include: '#punctuation-semicolon'}
      ]
    },
    'anonymous-method-expression': {
      patterns: [
        {
          begin:
            '(?x)\n((?:\\b(?:async|static)\\b\\s*)*)\n(?:\n  (@?[_[:alpha:]][_[:alnum:]]*)\\b|\n  (\\()\n    (?<tuple>(?:[^()]|\\(\\g<tuple>\\))*)\n  (\\))\n)\\s*\n(=>)',
          beginCaptures: {
            1: {
              patterns: [
                {match: 'async|static', name: 'storage.modifier.$0.cs'}
              ]
            },
            2: {name: 'entity.name.variable.parameter.cs'},
            3: {name: 'punctuation.parenthesis.open.cs'},
            4: {
              patterns: [
                {include: '#comment'},
                {include: '#explicit-anonymous-function-parameter'},
                {include: '#implicit-anonymous-function-parameter'},
                {include: '#default-argument'},
                {include: '#punctuation-comma'}
              ]
            },
            5: {name: 'punctuation.parenthesis.close.cs'},
            6: {name: 'keyword.operator.arrow.cs'}
          },
          end: '(?=[,;)}])',
          patterns: [
            {include: '#intrusive'},
            {
              begin: '(?={)',
              end: '(?=[,;)}])',
              patterns: [{include: '#block'}, {include: '#intrusive'}]
            },
            {
              begin: '\\b(ref)\\b|(?=\\S)',
              beginCaptures: {1: {name: 'storage.modifier.ref.cs'}},
              end: '(?=[,;)}])',
              patterns: [{include: '#expression'}]
            }
          ]
        },
        {
          begin:
            '(?x)\n((?:\\b(?:async|static)\\b\\s*)*)\n\\b(delegate)\\b\\s*',
          beginCaptures: {
            1: {
              patterns: [
                {match: 'async|static', name: 'storage.modifier.$0.cs'}
              ]
            },
            2: {name: 'storage.type.delegate.cs'}
          },
          end: '(?<=})|(?=[,;)}])',
          patterns: [
            {include: '#intrusive'},
            {
              begin: '\\(',
              beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
              end: '\\)',
              endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
              patterns: [
                {include: '#intrusive'},
                {include: '#explicit-anonymous-function-parameter'},
                {include: '#punctuation-comma'}
              ]
            },
            {include: '#block'}
          ]
        }
      ]
    },
    'anonymous-object-creation-expression': {
      begin: '\\b(new)\\b\\s*(?=\\{|//|/\\*|$)',
      beginCaptures: {1: {name: 'keyword.operator.expression.new.cs'}},
      end: '(?<=\\})',
      patterns: [{include: '#comment'}, {include: '#initializer-expression'}]
    },
    argument: {
      patterns: [
        {match: '\\b(ref|in)\\b', name: 'storage.modifier.$1.cs'},
        {
          begin: '\\b(out)\\b',
          beginCaptures: {1: {name: 'storage.modifier.out.cs'}},
          end: '(?=,|\\)|\\])',
          patterns: [
            {include: '#declaration-expression-local'},
            {include: '#expression'}
          ]
        },
        {include: '#expression'}
      ]
    },
    'argument-list': {
      begin: '\\(',
      beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [
        {include: '#named-argument'},
        {include: '#argument'},
        {include: '#punctuation-comma'}
      ]
    },
    'array-creation-expression': {
      begin:
        '(?x)\n\\b(new|stackalloc)\\b\\s*\n(?<type_name>\n  (?:\n    (?:\n      (?:(?<identifier>@?[_[:alpha:]][_[:alnum:]]*)\\s*\\:\\:\\s*)? # alias-qualification\n      (?<name_and_type_args> # identifier + type arguments (if any)\n        \\g<identifier>\\s*\n        (?<type_args>\\s*<(?:[^<>]|\\g<type_args>)+>\\s*)?\n      )\n      (?:\\s*\\.\\s*\\g<name_and_type_args>)* | # Are there any more names being dotted into?\n      (?<tuple>\\s*\\((?:[^\\(\\)]|\\g<tuple>)+\\))\n    )\n    (?:\\s*\\*\\s*)* # pointer suffix?\n    (?:\\s*\\?\\s*)? # nullable suffix?\n    (?:\\s* # array suffix?\n      \\[\n        (?:\\s*,\\s*)* # commata for multi-dimensional arrays\n      \\]\n      \\s*\n      (?:\\?)? # arrays can be nullable reference types\n      \\s*\n    )*\n  )\n)?\\s*\n(?=\\[)',
      beginCaptures: {
        1: {name: 'keyword.operator.expression.$1.cs'},
        2: {patterns: [{include: '#type'}]}
      },
      end: '(?<=\\])',
      patterns: [{include: '#bracketed-argument-list'}]
    },
    'as-expression': {
      captures: {
        1: {name: 'keyword.operator.expression.as.cs'},
        2: {patterns: [{include: '#type'}]}
      },
      match:
        '(?x)\n(?<!\\.)\\b(as)\\b\\s*\n(?<type_name>\n  (?:\n    (?:\n      (?:(?<identifier>@?[_[:alpha:]][_[:alnum:]]*)\\s*\\:\\:\\s*)? # alias-qualification\n      (?<name_and_type_args> # identifier + type arguments (if any)\n        \\g<identifier>\\s*\n        (?<type_args>\\s*<(?:[^<>]|\\g<type_args>)+>\\s*)?\n      )\n      (?:\\s*\\.\\s*\\g<name_and_type_args>)* | # Are there any more names being dotted into?\n      (?<tuple>\\s*\\((?:[^\\(\\)]|\\g<tuple>)+\\))\n    )\n    (?:\\s*\\?(?!\\?))? # nullable suffix?\n    (?:\\s* # array suffix?\n      \\[\n        \\s*(?:,\\s*)* # commata for multi-dimensional arrays\n      \\]\n      (?:\\s*\\?(?!\\?))? # arrays can be nullable reference types\n    )*\n  )\n)?'
    },
    'assignment-expression': {
      begin: '(?:\\*|/|%|\\+|-|\\?\\?|\\&|\\^|<<|>>>?|\\|)?=(?!=|>)',
      beginCaptures: {0: {patterns: [{include: '#assignment-operators'}]}},
      end: '(?=[,\\)\\];}])',
      patterns: [{include: '#ref-modifier'}, {include: '#expression'}]
    },
    'assignment-operators': {
      patterns: [
        {
          match: '\\*=|/=|%=|\\+=|-=|\\?\\?=',
          name: 'keyword.operator.assignment.compound.cs'
        },
        {
          match: '\\&=|\\^=|<<=|>>>?=|\\|=',
          name: 'keyword.operator.assignment.compound.bitwise.cs'
        },
        {match: '\\=', name: 'keyword.operator.assignment.cs'}
      ]
    },
    attribute: {
      patterns: [
        {include: '#type-name'},
        {include: '#type-arguments'},
        {include: '#attribute-arguments'}
      ]
    },
    'attribute-arguments': {
      begin: '(\\()',
      beginCaptures: {1: {name: 'punctuation.parenthesis.open.cs'}},
      end: '(\\))',
      endCaptures: {1: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [
        {include: '#attribute-named-argument'},
        {include: '#expression'},
        {include: '#punctuation-comma'}
      ]
    },
    'attribute-named-argument': {
      begin: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(?==)',
      beginCaptures: {1: {name: 'entity.name.variable.property.cs'}},
      end: '(?=(,|\\)))',
      patterns: [{include: '#operator-assignment'}, {include: '#expression'}]
    },
    'attribute-section': {
      begin:
        '(\\[)(assembly|module|field|event|method|param|property|return|typevar|type)?(\\:)?',
      beginCaptures: {
        1: {name: 'punctuation.squarebracket.open.cs'},
        2: {name: 'keyword.other.attribute-specifier.cs'},
        3: {name: 'punctuation.separator.colon.cs'}
      },
      end: '(\\])',
      endCaptures: {1: {name: 'punctuation.squarebracket.close.cs'}},
      patterns: [
        {include: '#comment'},
        {include: '#attribute'},
        {include: '#punctuation-comma'}
      ]
    },
    'await-expression': {name: 'keyword.operator.expression.await.cs'},
    'await-statement': {
      beginCaptures: {1: {name: 'keyword.operator.expression.await.cs'}},
      end: '(?<=})|(?=;|})',
      patterns: [
        {include: '#foreach-statement'},
        {include: '#using-statement'},
        {include: '#expression'}
      ]
    },
    'base-class-constructor-call': {
      begin:
        '(?x)\n(?:\n  (@?[_[:alpha:]][_[:alnum:]]*)\\s*(\\.)  # qualified name part\n)*\n(@?[_[:alpha:]][_[:alnum:]]*)\\s*        # type name\n(\n  <\n  (?<type_args>\n    [^<>()]|\n    \\((?:[^<>()]|<[^<>()]*>|\\([^<>()]*\\))*\\)|\n    <\\g<type_args>*>\n  )*\n  >\\s*\n)?                                      # optional type arguments\n(?=\\()                                  # followed by argument list',
      beginCaptures: {
        1: {name: 'entity.name.type.cs'},
        2: {name: 'punctuation.accessor.cs'},
        3: {name: 'entity.name.type.cs'},
        4: {patterns: [{include: '#type-arguments'}]}
      },
      end: '(?<=\\))',
      patterns: [{include: '#argument-list'}]
    },
    'base-types': {
      begin: ':',
      beginCaptures: {0: {name: 'punctuation.separator.colon.cs'}},
      end: '(?=\\{|where|;)',
      patterns: [
        {include: '#base-class-constructor-call'},
        {include: '#type'},
        {include: '#punctuation-comma'},
        {include: '#preprocessor'}
      ]
    },
    block: {
      begin: '\\{',
      beginCaptures: {0: {name: 'punctuation.curlybrace.open.cs'}},
      end: '\\}',
      endCaptures: {0: {name: 'punctuation.curlybrace.close.cs'}},
      patterns: [{include: '#statement'}]
    },
    'boolean-literal': {
      patterns: [
        {
          match: '(?<!\\.)\\btrue\\b',
          name: 'constant.language.boolean.true.cs'
        },
        {
          match: '(?<!\\.)\\bfalse\\b',
          name: 'constant.language.boolean.false.cs'
        }
      ]
    },
    'bracketed-argument-list': {
      begin: '\\[',
      beginCaptures: {0: {name: 'punctuation.squarebracket.open.cs'}},
      end: '\\]',
      endCaptures: {0: {name: 'punctuation.squarebracket.close.cs'}},
      patterns: [
        {include: '#named-argument'},
        {include: '#argument'},
        {include: '#punctuation-comma'}
      ]
    },
    'bracketed-parameter-list': {
      begin: '(?=(\\[))',
      beginCaptures: {1: {name: 'punctuation.squarebracket.open.cs'}},
      end: '(?=(\\]))',
      endCaptures: {1: {name: 'punctuation.squarebracket.close.cs'}},
      patterns: [
        {
          begin: '(?<=\\[)',
          end: '(?=\\])',
          patterns: [
            {include: '#comment'},
            {include: '#attribute-section'},
            {include: '#parameter'},
            {include: '#punctuation-comma'},
            {include: '#variable-initializer'}
          ]
        }
      ]
    },
    'break-or-continue-statement': {
      match: '(?<!\\.)\\b(break|continue)\\b',
      name: 'keyword.control.flow.$1.cs'
    },
    'case-guard': {
      patterns: [
        {include: '#parenthesized-expression'},
        {include: '#expression'}
      ]
    },
    'cast-expression': {
      captures: {
        1: {name: 'punctuation.parenthesis.open.cs'},
        2: {patterns: [{include: '#type'}]},
        7: {name: 'punctuation.parenthesis.close.cs'}
      },
      match:
        '(?x)\n(\\()\\s*\n(?<type_name>\n  (?:\n    (?:\n      (?:(?<identifier>@?[_[:alpha:]][_[:alnum:]]*)\\s*\\:\\:\\s*)? # alias-qualification\n      (?<name_and_type_args> # identifier + type arguments (if any)\n        \\g<identifier>\\s*\n        (?<type_args>\\s*<(?:[^<>]|\\g<type_args>)+>\\s*)?\n      )\n      (?:\\s*\\.\\s*\\g<name_and_type_args>)* | # Are there any more names being dotted into?\n      (?<tuple>\\s*\\((?:[^\\(\\)]|\\g<tuple>)+\\))\n    )\n    (?:\\s*\\?\\s*)? # nullable suffix?\n    (?:\\s* # array suffix?\n      \\[\n        (?:\\s*,\\s*)* # commata for multi-dimensional arrays\n      \\]\n      \\s*\n      (?:\\?)? # arrays can be nullable reference types\n      \\s*\n    )*\n  )\n)\\s*\n(\\))(?=\\s*-*!*@?[_[:alnum:]\\(])'
    },
    'casted-constant-pattern': {
      begin:
        '(?x)\n(\\()\n  ([\\s.:@_[:alnum:]]+)\n(\\))\n(?=[\\s+\\-!~]*@?[_[:alnum:](\'"]+)',
      beginCaptures: {
        1: {name: 'punctuation.parenthesis.open.cs'},
        2: {patterns: [{include: '#type-builtin'}, {include: '#type-name'}]},
        3: {name: 'punctuation.parenthesis.close.cs'}
      },
      end: '(?=[)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
      patterns: [
        {include: '#casted-constant-pattern'},
        {
          begin: '\\(',
          beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
          end: '\\)',
          endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
          patterns: [{include: '#constant-pattern'}]
        },
        {include: '#constant-pattern'},
        {
          captures: {
            1: {name: 'entity.name.type.alias.cs'},
            2: {name: 'punctuation.separator.coloncolon.cs'}
          },
          match: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(\\:\\:)'
        },
        {
          captures: {
            1: {name: 'entity.name.type.cs'},
            2: {name: 'punctuation.accessor.cs'}
          },
          match: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(\\.)'
        },
        {
          match: '\\@?[_[:alpha:]][_[:alnum:]]*',
          name: 'variable.other.constant.cs'
        }
      ]
    },
    'catch-clause': {
      begin: '(?<!\\.)\\b(catch)\\b',
      beginCaptures: {1: {name: 'keyword.control.exception.catch.cs'}},
      end: '(?<=\\})',
      patterns: [
        {
          begin: '\\(',
          beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
          end: '\\)',
          endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
          patterns: [
            {
              captures: {
                1: {patterns: [{include: '#type'}]},
                6: {name: 'entity.name.variable.local.cs'}
              },
              match:
                '(?x)\n(?<type_name>\n  (?:\n    (?:\n      (?:(?<identifier>@?[_[:alpha:]][_[:alnum:]]*)\\s*\\:\\:\\s*)? # alias-qualification\n      (?<name_and_type_args> # identifier + type arguments (if any)\n        \\g<identifier>\\s*\n        (?<type_args>\\s*<(?:[^<>]|\\g<type_args>)+>\\s*)?\n      )\n      (?:\\s*\\.\\s*\\g<name_and_type_args>)* | # Are there any more names being dotted into?\n      (?<tuple>\\s*\\((?:[^\\(\\)]|\\g<tuple>)+\\))\n    )\n    (?:\\s*\\?\\s*)? # nullable suffix?\n    (?:\\s* # array suffix?\n      \\[\n        (?:\\s*,\\s*)* # commata for multi-dimensional arrays\n      \\]\n      \\s*\n      (?:\\?)? # arrays can be nullable reference types\n      \\s*\n    )*\n  )\n)\\s*\n(?:(\\g<identifier>)\\b)?'
            }
          ]
        },
        {include: '#when-clause'},
        {include: '#comment'},
        {include: '#block'}
      ]
    },
    'char-character-escape': {
      match: '\\\\(x[0-9a-fA-F]{1,4}|u[0-9a-fA-F]{4}|.)',
      name: 'constant.character.escape.cs'
    },
    'char-literal': {
      begin: "'",
      beginCaptures: {0: {name: 'punctuation.definition.char.begin.cs'}},
      end: "(\\')|((?:[^\\\\\\n])$)",
      endCaptures: {
        1: {name: 'punctuation.definition.char.end.cs'},
        2: {name: 'invalid.illegal.newline.cs'}
      },
      name: 'string.quoted.single.cs',
      patterns: [{include: '#char-character-escape'}]
    },
    'class-declaration': {
      begin: '(?=(\\brecord\\b\\s+)?\\bclass\\b)',
      end: '(?<=\\})|(?=;)',
      patterns: [
        {
          begin:
            '(?x)\n(\\b(record)\\b\\s+)?\n\\b(class)\\b\\s+\n(@?[_[:alpha:]][_[:alnum:]]*)\\s*',
          beginCaptures: {
            2: {name: 'storage.type.record.cs'},
            3: {name: 'storage.type.class.cs'},
            4: {name: 'entity.name.type.class.cs'}
          },
          end: '(?=\\{)|(?=;)',
          patterns: [
            {include: '#comment'},
            {include: '#type-parameter-list'},
            {include: '#parenthesized-parameter-list'},
            {include: '#base-types'},
            {include: '#generic-constraints'}
          ]
        },
        {
          begin: '\\{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.cs'}},
          end: '\\}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.cs'}},
          patterns: [{include: '#class-or-struct-members'}]
        },
        {include: '#preprocessor'},
        {include: '#comment'}
      ]
    },
    'class-or-struct-members': {
      patterns: [
        {include: '#preprocessor'},
        {include: '#comment'},
        {include: '#storage-modifier'},
        {include: '#type-declarations'},
        {include: '#constructor-declaration'},
        {include: '#property-declaration'},
        {include: '#fixed-size-buffer-declaration'},
        {include: '#field-declaration'},
        {include: '#event-declaration'},
        {include: '#indexer-declaration'},
        {include: '#variable-initializer'},
        {include: '#destructor-declaration'},
        {include: '#operator-declaration'},
        {include: '#conversion-operator-declaration'},
        {include: '#method-declaration'},
        {include: '#attribute-section'},
        {include: '#punctuation-semicolon'}
      ]
    },
    'combinator-pattern': {
      match: '\\b(and|or|not)\\b',
      name: 'keyword.operator.expression.pattern.combinator.$1.cs'
    },
    comment: {
      patterns: [
        {
          begin: '(^\\s+)?(///)(?!/)',
          captures: {
            1: {name: 'punctuation.whitespace.comment.leading.cs'},
            2: {name: 'punctuation.definition.comment.cs'}
          },
          name: 'comment.block.documentation.cs',
          patterns: [{include: '#xml-doc-comment'}],
          while: '^(\\s*)(///)(?!/)'
        },
        {
          begin: '(^\\s+)?(/\\*\\*)(?!/)',
          captures: {
            1: {name: 'punctuation.whitespace.comment.leading.cs'},
            2: {name: 'punctuation.definition.comment.cs'}
          },
          end: '(^\\s+)?(\\*/)',
          name: 'comment.block.documentation.cs',
          patterns: [
            {
              patterns: [{include: '#xml-doc-comment'}],
              whileCaptures: {
                1: {name: 'punctuation.whitespace.comment.leading.cs'},
                2: {name: 'punctuation.definition.comment.cs'}
              }
            },
            {include: '#xml-doc-comment'}
          ]
        },
        {
          begin: '(^\\s+)?(//).*$',
          captures: {
            1: {name: 'punctuation.whitespace.comment.leading.cs'},
            2: {name: 'punctuation.definition.comment.cs'}
          },
          name: 'comment.line.double-slash.cs',
          while: '^(\\s*)(//).*$'
        },
        {
          begin: '/\\*',
          captures: {0: {name: 'punctuation.definition.comment.cs'}},
          end: '\\*/',
          name: 'comment.block.cs'
        }
      ]
    },
    'conditional-operator': {
      patterns: [
        {
          match: '\\?(?!\\?|\\s*[.\\[])',
          name: 'keyword.operator.conditional.question-mark.cs'
        },
        {match: ':', name: 'keyword.operator.conditional.colon.cs'}
      ]
    },
    'constant-pattern': {
      patterns: [
        {include: '#boolean-literal'},
        {include: '#null-literal'},
        {include: '#numeric-literal'},
        {include: '#char-literal'},
        {include: '#string-literal'},
        {include: '#raw-string-literal'},
        {include: '#verbatim-string-literal'},
        {include: '#type-operator-expression'},
        {include: '#expression-operator-expression'},
        {include: '#expression-operators'},
        {include: '#casted-constant-pattern'}
      ]
    },
    'constructor-declaration': {
      begin: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(?=\\(|$)',
      beginCaptures: {1: {name: 'entity.name.function.cs'}},
      end: '(?<=\\})|(?=;)',
      patterns: [
        {
          begin: '(:)',
          beginCaptures: {1: {name: 'punctuation.separator.colon.cs'}},
          end: '(?=\\{|=>)',
          patterns: [{include: '#constructor-initializer'}]
        },
        {include: '#parenthesized-parameter-list'},
        {include: '#preprocessor'},
        {include: '#comment'},
        {include: '#expression-body'},
        {include: '#block'}
      ]
    },
    'constructor-initializer': {
      begin: '\\b(base|this)\\b\\s*(?=\\()',
      beginCaptures: {1: {name: 'variable.language.$1.cs'}},
      end: '(?<=\\))',
      patterns: [{include: '#argument-list'}]
    },
    'context-control-paren-statement': {
      patterns: [
        {include: '#fixed-statement'},
        {include: '#lock-statement'},
        {include: '#using-statement'}
      ]
    },
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      },
      match:
        '(?x)\n(?<type_name>\n  (?:\n    (?:\n      (?:(?<identifier>@?[_[:alpha:]][_[:alnum:]]*)\\s*\\:\\:\\s*)? # alias-qualification\n      (?<name_and_type_args> # identifier + type arguments (if any)\n        \\g<identifier>\\s*\n        (?<type_args>\\s*<(?:[^<>]|\\g<type_args>)+>\\s*)?\n      )\n      (?:\\s*\\.\\s*\\g<name_and_type_args>)* | # Are there any more names being dotted into?\n      (?<tuple>\\s*\\((?:[^\\(\\)]|\\g<tuple>)+\\))\n    )\n    (?:\\s*\\?\\s*)? # nullable suffix?\n    (?:\\s* # array suffix?\n      \\[\n        (?:\\s*,\\s*)* # commata for multi-dimensional arrays\n      \\]\n      \\s*\n      (?:\\?)? # arrays can be nullable reference types\n      \\s*\n    )*\n  )\n)\n(?:(?<tuple_name>\\g<identifier>)\\b)?'
    },
    'tuple-literal': {
      begin: '(\\()(?=.*[:,])',
      beginCaptures: {1: {name: 'punctuation.parenthesis.open.cs'}},
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [
        {include: '#comment'},
        {include: '#tuple-literal-element'},
        {include: '#expression'},
        {include: '#punctuation-comma'}
      ]
    },
    'tuple-literal-element': {
      begin: '(?x)\n(@?[_[:alpha:]][_[:alnum:]]*)\\s*\n(?=:)',
      beginCaptures: {1: {name: 'entity.name.variable.tuple-element.cs'}},
      end: '(:)',
      endCaptures: {0: {name: 'punctuation.separator.colon.cs'}}
    },
    'tuple-type': {
      begin: '\\(',
      beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [{include: '#tuple-element'}, {include: '#punctuation-comma'}]
    },
    type: {
      patterns: [
        {include: '#comment'},
        {include: '#ref-modifier'},
        {include: '#readonly-modifier'},
        {include: '#tuple-type'},
        {include: '#type-builtin'},
        {include: '#type-name'},
        {include: '#type-arguments'},
        {include: '#type-array-suffix'},
        {include: '#type-nullable-suffix'},
        {include: '#type-pointer-suffix'}
      ]
    },
    'type-arguments': {
      begin: '<',
      beginCaptures: {
        0: {name: 'punctuation.definition.typeparameters.begin.cs'}
      },
      end: '>',
      endCaptures: {0: {name: 'punctuation.definition.typeparameters.end.cs'}},
      patterns: [{include: '#type'}, {include: '#punctuation-comma'}]
    },
    'type-array-suffix': {
      begin: '\\[',
      beginCaptures: {0: {name: 'punctuation.squarebracket.open.cs'}},
      end: '\\]',
      endCaptures: {0: {name: 'punctuation.squarebracket.close.cs'}},
      patterns: [{include: '#intrusive'}, {include: '#punctuation-comma'}]
    },
    'type-builtin': {
      captures: {1: {name: 'keyword.type.$1.cs'}},
      match:
        '\\b(bool|s?byte|u?short|n?u?int|u?long|float|double|decimal|char|string|object|void|dynamic)\\b'
    },
    'type-declarations': {
      patterns: [
        {include: '#preprocessor'},
        {include: '#comment'},
        {include: '#storage-modifier'},
        {include: '#class-declaration'},
        {include: '#delegate-declaration'},
        {include: '#enum-declaration'},
        {include: '#interface-declaration'},
        {include: '#struct-declaration'},
        {include: '#record-declaration'},
        {include: '#attribute-section'},
        {include: '#punctuation-semicolon'}
      ]
    },
    'type-name': {
      patterns: [
        {
          captures: {
            1: {name: 'entity.name.type.alias.cs'},
            2: {name: 'punctuation.separator.coloncolon.cs'}
          },
          match: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(\\:\\:)'
        },
        {
          captures: {
            1: {name: 'entity.name.type.cs'},
            2: {name: 'punctuation.accessor.cs'}
          },
          match: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(\\.)'
        },
        {
          captures: {
            1: {name: 'punctuation.accessor.cs'},
            2: {name: 'entity.name.type.cs'}
          },
          match: '(\\.)\\s*(@?[_[:alpha:]][_[:alnum:]]*)'
        },
        {match: '@?[_[:alpha:]][_[:alnum:]]*', name: 'entity.name.type.cs'}
      ]
    },
    'type-nullable-suffix': {
      match: '\\?',
      name: 'punctuation.separator.question-mark.cs'
    },
    'type-operator-expression': {
      begin: '\\b(default|sizeof|typeof)\\s*(\\()',
      beginCaptures: {
        1: {name: 'keyword.operator.expression.$1.cs'},
        2: {name: 'punctuation.parenthesis.open.cs'}
      },
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [{include: '#type'}]
    },
    'type-parameter-list': {
      begin: '\\<',
      beginCaptures: {
        0: {name: 'punctuation.definition.typeparameters.begin.cs'}
      },
      end: '\\>',
      endCaptures: {0: {name: 'punctuation.definition.typeparameters.end.cs'}},
      patterns: [
        {match: '\\b(in|out)\\b', name: 'storage.modifier.$1.cs'},
        {
          match: '(@?[_[:alpha:]][_[:alnum:]]*)\\b',
          name: 'entity.name.type.type-parameter.cs'
        },
        {include: '#comment'},
        {include: '#punctuation-comma'},
        {include: '#attribute-section'}
      ]
    },
    'type-pattern': {
      begin: '(?=@?[_[:alpha:]][_[:alnum:]]*)',
      end: '(?=[)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
      patterns: [
        {
          begin: '\\G',
          end: '(?!\\G[@_[:alpha:]])(?=[\\({@_[:alpha:])}\\],;:=&|^]|(?:\\s|^)\\?|!=|\\b(and|or|when)\\b)',
          patterns: [{include: '#intrusive'}, {include: '#type-subpattern'}]
        },
        {
          begin: '(?=[\\({@_[:alpha:]])',
          end: '(?=[)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
          patterns: [
            {include: '#intrusive'},
            {include: '#positional-pattern'},
            {include: '#property-pattern'},
            {include: '#simple-designation-pattern'}
          ]
        }
      ]
    },
    'type-pointer-suffix': {
      match: '\\*',
      name: 'punctuation.separator.asterisk.cs'
    },
    'type-subpattern': {
      patterns: [
        {include: '#type-builtin'},
        {
          begin: '(@?[_[:alpha:]][_[:alnum:]]*)\\s*(::)',
          beginCaptures: {
            1: {name: 'entity.name.type.alias.cs'},
            2: {name: 'punctuation.separator.coloncolon.cs'}
          },
          end: '(?<=[_[:alnum:]])|(?=[.<\\[\\({)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
          patterns: [
            {include: '#intrusive'},
            {
              match: '\\@?[_[:alpha:]][_[:alnum:]]*',
              name: 'entity.name.type.cs'
            }
          ]
        },
        {match: '\\@?[_[:alpha:]][_[:alnum:]]*', name: 'entity.name.type.cs'},
        {
          begin: '\\.',
          beginCaptures: {0: {name: 'punctuation.accessor.cs'}},
          end: '(?<=[_[:alnum:]])|(?=[<\\[\\({)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
          patterns: [
            {include: '#intrusive'},
            {
              match: '\\@?[_[:alpha:]][_[:alnum:]]*',
              name: 'entity.name.type.cs'
            }
          ]
        },
        {include: '#type-arguments'},
        {include: '#type-array-suffix'},
        {match: '(?<!\\s)\\?', name: 'punctuation.separator.question-mark.cs'}
      ]
    },
    'using-directive': {
      patterns: [
        {
          begin:
            '\\b(?:(global)\\s+)?(using)\\s+(static)\\b\\s*(?:(unsafe)\\b\\s*)?',
          beginCaptures: {
            1: {name: 'keyword.other.directive.global.cs'},
            2: {name: 'keyword.other.directive.using.cs'},
            3: {name: 'keyword.other.directive.static.cs'},
            4: {name: 'storage.modifier.unsafe.cs'}
          },
          end: '(?=;)',
          patterns: [{include: '#type'}]
        },
        {
          begin:
            '\\b(?:(global)\\s+)?(using)\\b\\s*(?:(unsafe)\\b\\s*)?(@?[_[:alpha:]][_[:alnum:]]*)\\s*(=)',
          beginCaptures: {
            1: {name: 'keyword.other.directive.global.cs'},
            2: {name: 'keyword.other.directive.using.cs'},
            3: {name: 'storage.modifier.unsafe.cs'},
            4: {name: 'entity.name.type.alias.cs'},
            5: {name: 'keyword.operator.assignment.cs'}
          },
          end: '(?=;)',
          patterns: [{include: '#comment'}, {include: '#type'}]
        },
        {
          begin: '\\b(?:(global)\\s+)?(using)\\b\\s*+(?!\\(|var\\b)',
          beginCaptures: {
            1: {name: 'keyword.other.directive.global.cs'},
            2: {name: 'keyword.other.directive.using.cs'}
          },
          end: '(?=;)',
          patterns: [
            {include: '#comment'},
            {
              match: '\\@?[_[:alpha:]][_[:alnum:]]*',
              name: 'entity.name.type.namespace.cs'
            },
            {include: '#punctuation-accessor'},
            {include: '#operator-assignment'}
          ]
        }
      ]
    },
    'using-statement': {
      begin: '\\b(using)\\b',
      beginCaptures: {1: {name: 'keyword.control.context.using.cs'}},
      end: '(?<=\\))|(?=;|})',
      patterns: [
        {include: '#intrusive'},
        {
          begin: '\\(',
          beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
          end: '\\)',
          endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
          patterns: [
            {include: '#intrusive'},
            {include: '#await-expression'},
            {include: '#local-variable-declaration'},
            {include: '#expression'}
          ]
        },
        {include: '#local-variable-declaration'}
      ]
    },
    'var-pattern': {
      begin: '\\b(var)\\b',
      beginCaptures: {1: {name: 'storage.type.var.cs'}},
      end: '(?=[)}\\],;:?=&|^]|!=|\\b(and|or|when)\\b)',
      patterns: [{include: '#designation-pattern'}]
    },
    'variable-initializer': {
      begin: '(?<!=|!)(=)(?!=|>)',
      beginCaptures: {1: {name: 'keyword.operator.assignment.cs'}},
      end: '(?=[,\\)\\];}])',
      patterns: [{include: '#ref-modifier'}, {include: '#expression'}]
    },
    'verbatim-interpolated-string': {
      begin: '(?:\\$@|@\\$)"',
      beginCaptures: {0: {name: 'punctuation.definition.string.begin.cs'}},
      end: '"(?=[^"])',
      endCaptures: {0: {name: 'punctuation.definition.string.end.cs'}},
      name: 'string.quoted.double.cs',
      patterns: [
        {include: '#verbatim-string-character-escape'},
        {include: '#interpolation'}
      ]
    },
    'verbatim-string-character-escape': {
      match: '""',
      name: 'constant.character.escape.cs'
    },
    'verbatim-string-literal': {
      begin: '@"',
      beginCaptures: {0: {name: 'punctuation.definition.string.begin.cs'}},
      end: '"(?=[^"])',
      endCaptures: {0: {name: 'punctuation.definition.string.end.cs'}},
      name: 'string.quoted.double.cs',
      patterns: [{include: '#verbatim-string-character-escape'}]
    },
    'when-clause': {
      begin: '(?<!\\.)\\b(when)\\b\\s*(\\()',
      beginCaptures: {
        1: {name: 'keyword.control.exception.when.cs'},
        2: {name: 'punctuation.parenthesis.open.cs'}
      },
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
      patterns: [{include: '#expression'}, {include: '#comment'}]
    },
    'where-clause': {
      begin: '(?x)\n\\b(where)\\b\\s*',
      beginCaptures: {1: {name: 'keyword.operator.expression.query.where.cs'}},
      end: '(?=;|\\))',
      patterns: [{include: '#query-body'}, {include: '#expression'}]
    },
    'while-statement': {
      begin: '(?<!\\.)\\b(while)\\b\\s*(?=\\()',
      beginCaptures: {1: {name: 'keyword.control.loop.while.cs'}},
      end: '(?<=\\})|(?=;)',
      patterns: [
        {
          begin: '\\(',
          beginCaptures: {0: {name: 'punctuation.parenthesis.open.cs'}},
          end: '\\)',
          endCaptures: {0: {name: 'punctuation.parenthesis.close.cs'}},
          patterns: [{include: '#expression'}]
        },
        {include: '#statement'}
      ]
    },
    'with-expression': {
      begin: '(?<!\\.)\\b(with)\\b\\s*(?=\\{|//|/\\*|$)',
      beginCaptures: {1: {name: 'keyword.operator.expression.with.cs'}},
      end: '(?<=\\})',
      patterns: [{include: '#comment'}, {include: '#initializer-expression'}]
    },
    'xml-attribute': {
      patterns: [
        {
          captures: {
            1: {name: 'entity.other.attribute-name.cs'},
            2: {name: 'entity.other.attribute-name.namespace.cs'},
            3: {name: 'punctuation.separator.colon.cs'},
            4: {name: 'entity.other.attribute-name.localname.cs'},
            5: {name: 'punctuation.separator.equals.cs'}
          },
          match:
            '(?x)\n(?:^|\\s+)\n(\n  (?:\n    ([-_[:alnum:]]+)\n    (:)\n  )?\n  ([-_[:alnum:]]+)\n)\n(=)'
        },
        {include: '#xml-string'}
      ]
    },
    'xml-cdata': {
      begin: '<!\\[CDATA\\[',
      beginCaptures: {0: {name: 'punctuation.definition.string.begin.cs'}},
      end: '\\]\\]>',
      endCaptures: {0: {name: 'punctuation.definition.string.end.cs'}},
      name: 'string.unquoted.cdata.cs'
    },
    'xml-character-entity': {
      patterns: [
        {
          captures: {
            1: {name: 'punctuation.definition.constant.cs'},
            3: {name: 'punctuation.definition.constant.cs'}
          },
          match:
            '(?x)\n(&)\n(\n  (?:[[:alpha:]:_][[:alnum:]:_.-]*)|\n  (?:\\#[[:digit:]]+)|\n  (?:\\#x[[:xdigit:]]+)\n)\n(;)',
          name: 'constant.character.entity.cs'
        },
        {match: '&', name: 'invalid.illegal.bad-ampersand.cs'}
      ]
    },
    'xml-comment': {
      begin: '<!--',
      beginCaptures: {0: {name: 'punctuation.definition.comment.cs'}},
      end: '-->',
      endCaptures: {0: {name: 'punctuation.definition.comment.cs'}},
      name: 'comment.block.cs'
    },
    'xml-doc-comment': {
      patterns: [
        {include: '#xml-comment'},
        {include: '#xml-character-entity'},
        {include: '#xml-cdata'},
        {include: '#xml-tag'}
      ]
    },
    'xml-string': {
      patterns: [
        {
          begin: "\\'",
          beginCaptures: {0: {name: 'punctuation.definition.string.begin.cs'}},
          end: "\\'",
          endCaptures: {0: {name: 'punctuation.definition.string.end.cs'}},
          name: 'string.quoted.single.cs',
          patterns: [{include: '#xml-character-entity'}]
        },
        {
          begin: '\\"',
          beginCaptures: {0: {name: 'punctuation.definition.string.begin.cs'}},
          end: '\\"',
          endCaptures: {0: {name: 'punctuation.definition.string.end.cs'}},
          name: 'string.quoted.double.cs',
          patterns: [{include: '#xml-character-entity'}]
        }
      ]
    },
    'xml-tag': {
      begin:
        '(?x)\n(</?)\n(\n  (?:\n    ([-_[:alnum:]]+)\n    (:)\n  )?\n  ([-_[:alnum:]]+)\n)',
      beginCaptures: {
        1: {name: 'punctuation.definition.tag.cs'},
        2: {name: 'entity.name.tag.cs'},
        3: {name: 'entity.name.tag.namespace.cs'},
        4: {name: 'punctuation.separator.colon.cs'},
        5: {name: 'entity.name.tag.localname.cs'}
      },
      end: '(/?>)',
      endCaptures: {1: {name: 'punctuation.definition.tag.cs'}},
      name: 'meta.tag.cs',
      patterns: [{include: '#xml-attribute'}]
    },
    'yield-break-statement': {
      captures: {
        1: {name: 'keyword.control.flow.yield.cs'},
        2: {name: 'keyword.control.flow.break.cs'}
      },
      match: '(?<!\\.)\\b(yield)\\b\\s*\\b(break)\\b'
    },
    'yield-return-statement': {
      begin: '(?<!\\.)\\b(yield)\\b\\s*\\b(return)\\b',
      beginCaptures: {
        1: {name: 'keyword.control.flow.yield.cs'},
        2: {name: 'keyword.control.flow.return.cs'}
      },
      end: '(?=[;}])',
      patterns: [{include: '#expression'}]
    },
    'yield-statement': {
      patterns: [
        {include: '#yield-return-statement'},
        {include: '#yield-break-statement'}
      ]
    }
  },
  scopeName: 'source.cs'
}

export default grammar