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✏️ Editing: crystal.json

{
  "displayName": "Crystal",
  "fileTypes": [
    "cr"
  ],
  "firstLineMatch": "^#!/.*\\bcrystal",
  "foldingStartMarker": "(?x)^(\\s*+(annotation|module|class|struct|union|enum|def(?!.*\\bend\\s*$)|unless|if|case|begin|for|while|until|^=begin|(\"(\\\\.|[^\"])*+\"|'(\\\\.|[^'])*+'|[^#\"'])*(\\s(do|begin|case)|(?<!\\$)[-+=&|*/~%^<>~]\\s*+(if|unless)))\\b(?![^;]*+;.*?\\bend\\b)|(\"(\\\\.|[^\"])*+\"|'(\\\\.|[^'])*+'|[^#\"'])*(\\{(?![^}]*+\\})|\\[(?![^\\]]*+\\]))).*$|[#].*?\$fold\$\\s*+$",
  "foldingStopMarker": "(?x)((^|;)\\s*+end\\s*+([#].*)?$|(^|;)\\s*+end\\..*$|^\\s*+[}\\]] ,?\\s*+([#].*)?$|[#].*?\$end\$\\s*+$|^=end)",
  "information_for_contributors": [
    "This file is based on https://github.com/Microsoft/vscode/blob/master/extensions/ruby/syntaxes/ruby.tmLanguage.json"
  ],
  "keyEquivalent": "^~R",
  "name": "crystal",
  "patterns": [
    {
      "captures": {
        "1": {
          "name": "keyword.control.class.crystal"
        },
        "10": {
          "name": "support.class.other.type-param.crystal"
        },
        "11": {
          "name": "punctuation.definition.variable.crystal"
        },
        "2": {
          "name": "keyword.control.class.crystal"
        },
        "3": {
          "name": "entity.name.type.class.crystal"
        },
        "5": {
          "name": "punctuation.separator.crystal"
        },
        "6": {
          "name": "support.class.other.type-param.crystal"
        },
        "7": {
          "name": "entity.other.inherited-class.crystal"
        },
        "8": {
          "name": "punctuation.separator.crystal"
        },
        "9": {
          "name": "punctuation.separator.crystal"
        }
      },
      "match": "(?x)^\\s*(abstract)?\\s*(class|struct|union|annotation|enum)\\s+(([.A-Z_:\\x{80}-\\x{10FFFF}][.\\w:\\x{80}-\\x{10FFFF}]*(\$([,\\s.a-zA-Z0-9_:\\x{80}-\\x{10FFFF}]+)\$)?(\\s*(<)\\s*[.:A-Z\\x{80}-\\x{10FFFF}][.:\\w\\x{80}-\\x{10FFFF}]*(\$([.a-zA-Z0-9_:]+\\s,)\$)?)?)|((<<)\\s*[.A-Z0-9_:\\x{80}-\\x{10FFFF}]+))",
      "name": "meta.class.crystal"
    },
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      "captures": {
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        },
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          "name": "entity.name.type.module.crystal"
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        },
        "4": {
          "name": "punctuation.separator.inheritance.crystal"
        },
        "5": {
          "name": "entity.other.inherited-class.module.second.crystal"
        },
        "6": {
          "name": "punctuation.separator.inheritance.crystal"
        },
        "7": {
          "name": "entity.other.inherited-class.module.third.crystal"
        },
        "8": {
          "name": "punctuation.separator.inheritance.crystal"
        }
      },
      "match": "^\\s*(module)\\s+(([A-Z\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*(::))?([A-Z\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*(::))?([A-Z\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*(::))*[A-Z\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*)",
      "name": "meta.module.crystal"
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          "name": "entity.name.type.lib.crystal"
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        "3": {
          "name": "entity.other.inherited-class.lib.first.crystal"
        },
        "4": {
          "name": "punctuation.separator.inheritance.crystal"
        },
        "5": {
          "name": "entity.other.inherited-class.lib.second.crystal"
        },
        "6": {
          "name": "punctuation.separator.inheritance.crystal"
        },
        "7": {
          "name": "entity.other.inherited-class.lib.third.crystal"
        },
        "8": {
          "name": "punctuation.separator.inheritance.crystal"
        }
      },
      "match": "^\\s*(lib)\\s+(([A-Z]\\w*(::))?([A-Z]\\w*(::))?([A-Z]\\w*(::))*[A-Z]\\w*)",
      "name": "meta.lib.crystal"
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    {
      "captures": {
        "1": {
          "name": "keyword.control.lib.type.crystal"
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          "name": "keyword.control.lib.crystal"
        },
        "4": {
          "name": "entity.name.lib.type.value.crystal"
        }
      },
      "comment": "type in lib",
      "match": "(?<!\\.)\\b(type)\\s+([A-Z]\\w+)\\s*(=)\\s*(.+)",
      "name": "meta.lib.type.crystal"
    },
    {
      "comment": "everything being a reserved word, not a value, and needing a 'end' is a..",
      "match": "(?<!\\.)\\b(fun|begin|case|class|else|elsif|end|ensure|enum|for|if|macro|module|rescue|struct|then|union|unless|until|when|while)\\b(?![?!:])",
      "name": "keyword.control.crystal"
    },
    {
      "comment": "everything being a reserved word, not a value, and not needing a 'end' is a..",
      "match": "(?<!\\.)\\b(abstract|alias|asm|break|extend|in|include|next|of|private|protected|struct|return|select|super|with|yield)\\b(?![?!:])",
      "name": "keyword.control.primary.crystal"
    },
    {
      "comment": "everything being a spec keyword, not a value, and needing a block is a..",
      "match": "(?<!\\.)\\b(describe|context|it|expect_raises)\\b(?![?!:])",
      "name": "keyword.control.crystal"
    },
    {
      "comment": "contextual smart pair support for block parameters",
      "match": "(?<!\\.)\\bdo\\b\\s*",
      "name": "keyword.control.start-block.crystal"
    },
    {
      "comment": "contextual smart pair support",
      "match": "(?<=\\{)(\\s+)",
      "name": "meta.syntax.crystal.start-block"
    },
    {
      "comment": "Just as above but being not a logical operation",
      "match": "(?<!\\.)\\b(pointerof|typeof|sizeof|instance_sizeof|offsetof|previous_def|forall|out|uninitialized)\\b(?![?!:])|\\.(is_a\\?|nil\\?|responds_to\\?|as\\?|as\b)",
      "name": "keyword.control.pseudo-method.crystal"
    },
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      "match": "\\bnil\\b(?![?!:])",
      "name": "constant.language.nil.crystal"
    },
    {
      "match": "\\b(true|false)\\b(?![?!:])",
      "name": "constant.language.boolean.crystal"
    },
    {
      "match": "\\b(__(DIR|FILE|LINE|END_LINE)__)\\b(?![?!:])",
      "name": "variable.language.crystal"
    },
    {
      "match": "\\b(self)\\b(?![?!:])",
      "name": "variable.language.self.crystal"
    },
    {
      "comment": "https://crystal-lang.org/api/0.36.1/Object.html#macro-summary",
      "match": "(?<!\\.)\\b(((class_)?((getter|property)\\b[!?]?|setter\\b))|(def_(clone|equals|equals_and_hash|hash)|delegate|forward_missing_to)\\b)(?![?!:])",
      "name": "support.function.kernel.crystal"
    },
    {
      "begin": "\\b(require)\\b",
      "captures": {
        "1": {
          "name": "keyword.other.special-method.crystal"
        }
      },
      "end": "$|(?=#)",
      "name": "meta.require.crystal",
      "patterns": [
        {
          "include": "$self"
        }
      ]
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.variable.crystal"
        }
      },
      "match": "(@)[a-zA-Z_\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*[?!=]?",
      "name": "variable.other.readwrite.instance.crystal"
    },
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      "captures": {
        "1": {
          "name": "punctuation.definition.variable.crystal"
        }
      },
      "match": "(@@)[a-zA-Z_\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*[?!=]?",
      "name": "variable.other.readwrite.class.crystal"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.variable.crystal"
        }
      },
      "match": "(\\$)[a-zA-Z_]\\w*",
      "name": "variable.other.readwrite.global.crystal"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.variable.crystal"
        }
      },
      "match": "(?!%[Qxrqwi]?[\\(\\[\\{\\<\\|])%([a-zA-Z_]\\w*\\.)*[a-zA-Z_]\\w*",
      "name": "variable.other.readwrite.fresh.crystal"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.variable.crystal"
        }
      },
      "match": "(\\$)(!|@|&|`|'|\\+|\\d+|~|=|/|\\\\|,|;|\\.|<|>|_|\\*|\\$|\\?|:|\"|-[0adFiIlpv])",
      "name": "variable.other.readwrite.global.pre-defined.crystal"
    },
    {
      "begin": "\\b(ENV)\\[",
      "beginCaptures": {
        "1": {
          "name": "variable.other.constant.crystal"
        }
      },
      "end": "\\]",
      "name": "meta.environment-variable.crystal",
      "patterns": [
        {
          "include": "$self"
        }
      ]
    },
    {
      "comment": "Literals name of Crystal",
      "match": "\\b[A-Z\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*",
      "name": "support.class.crystal"
    },
    {
      "comment": "Fetch from https://crystal-lang.org/api/0.36.1/toplevel.html",
      "match": "(?<!\\.)\\b(abort|at_exit|caller|exit|gets|loop|main|p|pp|print|printf|puts|raise|rand|read_line|sleep|spawn|sprintf|system|debugger|record|spawn)\\b(?![?!:])",
      "name": "support.function.kernel.crystal"
    },
    {
      "comment": "Constant name in any where",
      "match": "\\b[_A-Z]+\\b",
      "name": "variable.other.constant.crystal"
    },
    {
      "begin": "(?x)\n(?=def\\b)                          # optimization to help Oniguruma fail fast\n(?<=^|\\s)(def)\\s+\n(\n  (?>[a-zA-Z_]\\w*(?>\\.|::))?      # method prefix\n  (?>                               # method name\n    [a-zA-Z_]\\w*(?>[?!]|=(?!>))?\n    |\n    \\^|===?|!=|>[>=]?|<=>|<[<=]?|[%&`/\\|]|\\*\\*?|=?~|[-+]@?|\\[][?=]?|\\[]=?\n  )\n)\n\\s*(\$)",
      "beginCaptures": {
        "1": {
          "name": "keyword.control.def.crystal"
        },
        "2": {
          "name": "entity.name.function.crystal"
        },
        "3": {
          "name": "punctuation.definition.parameters.crystal"
        }
      },
      "comment": "The method pattern comes from the symbol pattern. See there for an explanation.",
      "end": "\$",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.parameters.crystal"
        }
      },
      "name": "meta.function.method.with-arguments.crystal",
      "patterns": [
        {
          "begin": "(?![\\s,)])",
          "end": "(?=,|\\)\\s*)",
          "patterns": [
            {
              "captures": {
                "1": {
                  "name": "storage.type.variable.crystal"
                },
                "2": {
                  "name": "constant.other.symbol.hashkey.parameter.function.crystal"
                },
                "3": {
                  "name": "punctuation.definition.constant.hashkey.crystal"
                },
                "4": {
                  "name": "variable.parameter.function.crystal"
                }
              },
              "match": "\\G([&*]?)(?:([_a-zA-Z]\\w*(:))|([_a-zA-Z]\\w*))"
            },
            {
              "include": "$self"
            }
          ]
        }
      ]
    },
    {
      "captures": {
        "1": {
          "name": "keyword.control.def.crystal"
        },
        "3": {
          "name": "entity.name.function.crystal"
        }
      },
      "comment": " the optional name is just to catch the def also without a method-name",
      "match": "(?x)\n(?=def\\b)                            # optimization to help Oniguruma fail fast\n(?<=^|\\s)(def)\\b\n(\n  \\s+\n  (\n    (?>[a-zA-Z_]\\w*(?>\\.|::))?      # method prefix\n    (?>                               # method name\n      [a-zA-Z_]\\w*(?>[?!]|=(?!>))?\n      |\n      \\^|===?|!=|>[>=]?|<=>|<[<=]?|[%&`/\\|]|\\*\\*?|=?~|[-+]@?|\\[][?=]?|\\[]=?\n    )\n  )\n)?",
      "name": "meta.function.method.without-arguments.crystal"
    },
    {
      "comment": "Floating point literal (fraction)",
      "match": "\\b[0-9][0-9_]*\\.[0-9][0-9_]*([eE][+-]?[0-9_]+)?(f32|f64)?\\b",
      "name": "constant.numeric.float.crystal"
    },
    {
      "comment": "Floating point literal (exponent)",
      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?[eE][+-]?[0-9_]+(f32|f64)?\\b",
      "name": "constant.numeric.float.crystal"
    },
    {
      "comment": "Floating point literal (typed)",
      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?([eE][+-]?[0-9_]+)?(f32|f64)\\b",
      "name": "constant.numeric.float.crystal"
    },
    {
      "comment": "Integer literal (decimal)",
      "match": "\\b(?!0[0-9])[0-9][0-9_]*([ui](8|16|32|64|128))?\\b",
      "name": "constant.numeric.integer.decimal.crystal"
    },
    {
      "comment": "Integer literal (hexadecimal)",
      "match": "\\b0x[a-fA-F0-9_]+([ui](8|16|32|64|128))?\\b",
      "name": "constant.numeric.integer.hexadecimal.crystal"
    },
    {
      "comment": "Integer literal (octal)",
      "match": "\\b0o[0-7_]+([ui](8|16|32|64|128))?\\b",
      "name": "constant.numeric.integer.octal.crystal"
    },
    {
      "comment": "Integer literal (binary)",
      "match": "\\b0b[01_]+([ui](8|16|32|64|128))?\\b",
      "name": "constant.numeric.integer.binary.crystal"
    },
    {
      "begin": ":'",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.symbol.begin.crystal"
        }
      },
      "comment": "symbol literal with '' delimiter",
      "end": "'",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.symbol.end.crystal"
        }
      },
      "name": "constant.other.symbol.crystal",
      "patterns": [
        {
          "match": "\\\\['\\\\]",
          "name": "constant.character.escape.crystal"
        }
      ]
    },
    {
      "begin": ":\"",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.symbol.begin.crystal"
        }
      },
      "comment": "symbol literal with \"\" delimiter",
      "end": "\"",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.symbol.end.crystal"
        }
      },
      "name": "constant.other.symbol.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "comment": "Needs higher precedence than regular expressions.",
      "match": "(?<!\\()/=",
      "name": "keyword.operator.assignment.augmented.crystal"
    },
    {
      "begin": "'",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "string literal with '' delimiter",
      "end": "'",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.single.crystal",
      "patterns": [
        {
          "match": "\\\\'|\\\\\\\\",
          "name": "constant.character.escape.crystal"
        }
      ]
    },
    {
      "begin": "\"",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "string literal with interpolation and \"\" delimiter",
      "end": "\"",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.double.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "`",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allows for interpolation)",
      "end": "`",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "%x\\{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allow for interpolation)",
      "end": "\\}",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_curly_i"
        }
      ]
    },
    {
      "begin": "%x\\[",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allow for interpolation)",
      "end": "\\]",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_brackets_i"
        }
      ]
    },
    {
      "begin": "%x\\<",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allow for interpolation)",
      "end": "\\>",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_ltgt_i"
        }
      ]
    },
    {
      "begin": "%x\$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allow for interpolation)",
      "end": "\$",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_parens_i"
        }
      ]
    },
    {
      "begin": "%x\\|",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "execute string (allow for interpolation)",
      "end": "\\|",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.interpolated.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?x) (?: ^| (?<=[=>~(?:\\[,|&;] | [\\s;]if\\s| [\\s;]elsif\\s | [\\s;]while\\s | [\\s;]unless\\s | [\\s;]when\\s | [\\s;]assert_match\\s | [\\s;]or\\s| [\\s;]and\\s | [\\s;]not\\s | [\\s.]index\\s| [\\s.]scan\\s | [\\s.]sub\\s | [\\s.]sub!\\s | [\\s.]gsub\\s | [\\s.]gsub!\\s | [\\s.]match\\s ) | (?<=^when\\s| ^if\\s | ^elsif\\s | ^while\\s | ^unless\\s ) ) \\s*((/))(?![*+{}?])",
      "captures": {
        "1": {
          "name": "string.regexp.classic.crystal"
        },
        "2": {
          "name": "punctuation.definition.string.crystal"
        }
      },
      "comment": "regular expressions (normal) we only start a regexp if the character before it (excluding whitespace) is what we think is before a regexp",
      "contentName": "string.regexp.classic.crystal",
      "end": "((/[imsx]*))",
      "patterns": [
        {
          "include": "#regex_sub"
        }
      ]
    },
    {
      "begin": "%r\\{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "regular expressions (literal)",
      "end": "\\}[imsx]*",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.regexp.mod-r.crystal",
      "patterns": [
        {
          "include": "#regex_sub"
        },
        {
          "include": "#nest_curly_r"
        }
      ]
    },
    {
      "begin": "%r\\[",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "regular expressions (literal)",
      "end": "\\][imsx]*",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.regexp.mod-r.crystal",
      "patterns": [
        {
          "include": "#regex_sub"
        },
        {
          "include": "#nest_brackets_r"
        }
      ]
    },
    {
      "begin": "%r\$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "regular expressions (literal)",
      "end": "\$[imsx]*",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.regexp.mod-r.crystal",
      "patterns": [
        {
          "include": "#regex_sub"
        },
        {
          "include": "#nest_parens_r"
        }
      ]
    },
    {
      "begin": "%r\\<",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "regular expressions (literal)",
      "end": "\\>[imsx]*",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.regexp.mod-r.crystal",
      "patterns": [
        {
          "include": "#regex_sub"
        },
        {
          "include": "#nest_ltgt_r"
        }
      ]
    },
    {
      "begin": "%r\\|",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "regular expressions (literal)",
      "end": "\\|[imsx]*",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.regexp.mod-r.crystal",
      "patterns": [
        {
          "include": "#regex_sub"
        }
      ]
    },
    {
      "begin": "%Q?\$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal capable of interpolation ()",
      "end": "\$",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.upper.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_parens_i"
        }
      ]
    },
    {
      "begin": "%Q?\\[",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal capable of interpolation []",
      "end": "\\]",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.upper.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_brackets_i"
        }
      ]
    },
    {
      "begin": "%Q?\\<",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal capable of interpolation <>",
      "end": "\\>",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.upper.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_ltgt_i"
        }
      ]
    },
    {
      "begin": "%Q?\\{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal capable of interpolation -- {}",
      "end": "\\}",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.double.crystal.mod",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        },
        {
          "include": "#nest_curly_i"
        }
      ]
    },
    {
      "begin": "%Q\\|",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal capable of interpolation -- ||",
      "end": "\\|",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.upper.crystal",
      "patterns": [
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "%[qwi]\$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal incapable of interpolation -- ()",
      "end": "\$",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.lower.crystal",
      "patterns": [
        {
          "match": "\\\\\\)|\\\\\\\\",
          "name": "constant.character.escape.crystal"
        },
        {
          "include": "#nest_parens"
        }
      ]
    },
    {
      "begin": "%[qwi]\\<",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal incapable of interpolation -- <>",
      "end": "\\>",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.lower.crystal",
      "patterns": [
        {
          "match": "\\\\\\>|\\\\\\\\",
          "name": "constant.character.escape.crystal"
        },
        {
          "include": "#nest_ltgt"
        }
      ]
    },
    {
      "begin": "%[qwi]\\[",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal incapable of interpolation -- []",
      "end": "\\]",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.lower.crystal",
      "patterns": [
        {
          "match": "\\\\\\]|\\\\\\\\",
          "name": "constant.character.escape.crystal"
        },
        {
          "include": "#nest_brackets"
        }
      ]
    },
    {
      "begin": "%[qwi]\\{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal incapable of interpolation -- {}",
      "end": "\\}",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.lower.crystal",
      "patterns": [
        {
          "match": "\\\\\\}|\\\\\\\\",
          "name": "constant.character.escape.crystal"
        },
        {
          "include": "#nest_curly"
        }
      ]
    },
    {
      "begin": "%[qwi]\\|",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "literal incapable of interpolation -- ||",
      "end": "\\|",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.quoted.other.literal.lower.crystal",
      "patterns": [
        {
          "comment": "Cant be named because its not necessarily an escape.",
          "match": "\\\\."
        }
      ]
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.constant.crystal"
        }
      },
      "comment": "symbols",
      "match": "(?<!:)(:)(?>[a-zA-Z_\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*(?>[?!]|=(?![>=]))?|===?|>[>=]?|<[<=]?|<=>|[%&`/\\|]|\\*\\*?|=?~|[-+]@?|\\[\\][?=]?|@@?[a-zA-Z_\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*)",
      "name": "constant.other.symbol.crystal"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.constant.crystal"
        }
      },
      "comment": "symbols",
      "match": "(?>[a-zA-Z_\\x{80}-\\x{10FFFF}][\\w\\x{80}-\\x{10FFFF}]*(?>[?!])?)(:)(?!:)",
      "name": "constant.other.symbol.crystal.19syntax"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.definition.comment.crystal"
        }
      },
      "match": "(?:^[ \\t]+)?(#).*$\\n?",
      "name": "comment.line.number-sign.crystal"
    },
    {
      "match": "(?<!}})\\b_([\\w]+[?!]?)\\b(?!\\()",
      "name": "comment.unused.crystal"
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)HTML)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded HTML and indented terminator",
      "contentName": "text.html.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.html.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "text.html.basic"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)SQL)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded SQL and indented terminator",
      "contentName": "text.sql.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.sql.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.sql"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)CSS)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded css and intented terminator",
      "contentName": "text.css.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.css.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.css"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)CPP)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded c++ and intented terminator",
      "contentName": "text.c++.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.cplusplus.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.c++"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)C)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded c++ and intented terminator",
      "contentName": "text.c.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.c.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.c"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)(?:JS|JAVASCRIPT))\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded javascript and intented terminator",
      "contentName": "text.js.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.js.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.js"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)JQUERY)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded javascript and intented terminator",
      "contentName": "text.js.jquery.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.js.jquery.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.js.jquery"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)(?:SH|SHELL))\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded shell and intented terminator",
      "contentName": "text.shell.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.shell.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.shell"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-('?)((?:[_\\w]+_|)CRYSTAL)\\b\\1)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with embedded crystal and intented terminator",
      "contentName": "text.crystal.embedded.crystal",
      "end": "\\s*\\2\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.embedded.crystal.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "source.crystal"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-'(\\w+)')",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with indented terminator",
      "end": "\\s*\\1\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.heredoc.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?><<-(\\w+)\\b)",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.crystal"
        }
      },
      "comment": "heredoc with indented terminator",
      "end": "\\s*\\1\\b",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.crystal"
        }
      },
      "name": "string.unquoted.heredoc.crystal",
      "patterns": [
        {
          "include": "#heredoc"
        },
        {
          "include": "#interpolated_crystal"
        },
        {
          "include": "#escaped_char"
        }
      ]
    },
    {
      "begin": "(?<={|{\\s|[^A-Za-z0-9_]do|^do|[^A-Za-z0-9_]do\\s|^do\\s)(\\|)",
      "captures": {
        "1": {
          "name": "punctuation.separator.variable.crystal"
        }
      },
      "end": "(?<!\\|)(\\|)(?!\\|)",
      "patterns": [
        {
          "include": "source.crystal"
        },
        {
          "match": "[_a-zA-Z][_a-zA-Z0-9]*",
          "name": "variable.other.block.crystal"
        },
        {
          "match": ",",
          "name": "punctuation.separator.variable.crystal"
        }
      ]
    },
    {
      "match": "=>",
      "name": "punctuation.separator.key-value"
    },
    {
      "match": "->",
      "name": "support.function.kernel.crystal"
    },
    {
      "match": "<<=|%=|&{1,2}=|\\*=|\\*\\*=|\\+=|-=|\\^=|\\|{1,2}=|<<",
      "name": "keyword.operator.assignment.augmented.crystal"
    },
    {
      "match": "<=>|<(?!<|=)|>(?!<|=|>)|<=|>=|===|==|=~|!=|!~|(?<=[ \\t])\\?",
      "name": "keyword.operator.comparison.crystal"
    },
    {
      "match": "(?<=^|[ \\t])!|&&|\\|\\||\\^",
      "name": "keyword.operator.logical.crystal"
    },
    {
      "match": "(\\{\\%|\\%\\}|\\{\\{|\\}\\})",
      "name": "keyword.operator.macro.crystal"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.separator.method.crystal"
        }
      },
      "comment": "Safe navigation operator",
      "match": "(&\\.)\\s*(?![A-Z])"
    },
    {
      "match": "(%|&|\\*\\*|\\*|\\+|\\-|/)",
      "name": "keyword.operator.arithmetic.crystal"
    },
    {
      "match": "=",
      "name": "keyword.operator.assignment.crystal"
    },
    {
      "match": "\\||~|>>",
      "name": "keyword.operator.other.crystal"
    },
    {
      "match": ":",
      "name": "punctuation.separator.other.crystal"
    },
    {
      "match": "\\;",
      "name": "punctuation.separator.statement.crystal"
    },
    {
      "match": ",",
      "name": "punctuation.separator.object.crystal"
    },
    {
      "match": "\\.|::",
      "name": "punctuation.separator.method.crystal"
    },
    {
      "match": "\\{|\\}",
      "name": "punctuation.section.scope.crystal"
    },
    {
      "match": "\\[|\\]",
      "name": "punctuation.section.array.crystal"
    },
    {
      "match": "\$|\$",
      "name": "punctuation.section.function.crystal"
    },
    {
      "begin": "(?=[a-zA-Z0-9_!?]+\$)",
      "end": "(?<=\$)",
      "name": "meta.function-call.crystal",
      "patterns": [
        {
          "match": "([a-zA-Z0-9_!?]+)(?=\$)",
          "name": "entity.name.function.crystal"
        },
        {
          "include": "$self"
        }
      ]
    },
    {
      "comment": "This is kindof experimental. There really is no way to perfectly match all regular variables, but you can pretty well assume that any normal word in certain curcumstances that havnt already been scoped as something else are probably variables, and the advantages beat the potential errors",
      "match": "((?<=\\W)\\b|^)\\w+\\b(?=\\s*([\\]\$\\}\\=\\+\\-\\*\\/\\^\\$\\,\\.]|<\\s|<<[\\s|\\.]))",
      "name": "variable.other.crystal"
    }
  ],
  "repository": {
    "escaped_char": {
      "comment": "https://crystal-lang.org/reference/syntax_and_semantics/literals/string.html",
      "match": "\\\\(?:[0-7]{1,3}|x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|u\\{[a-fA-F0-9 ]+\\}|.)",
      "name": "constant.character.escape.crystal"
    },
    "heredoc": {
      "begin": "^<<-?\\w+",
      "end": "$",
      "patterns": [
        {
          "include": "$self"
        }
      ]
    },
    "interpolated_crystal": {
      "patterns": [
        {
          "begin": "#\\{",
          "beginCaptures": {
            "0": {
              "name": "punctuation.section.embedded.begin.crystal"
            }
          },
          "contentName": "source.crystal",
          "end": "(\\})",
          "endCaptures": {
            "0": {
              "name": "punctuation.section.embedded.end.crystal"
            },
            "1": {
              "name": "source.crystal"
            }
          },
          "name": "meta.embedded.line.crystal",
          "patterns": [
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