{
  "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
  "comment": "Some of these patterns are taken straight from rust-analyzer: https://github.com/rust-lang/vscode-rust/blob/master/rust-analyzer/editors/code/rust.tmGrammar.json. Some was also taken from https://github.com/arm32x/vscode-sdlang/blob/master/syntaxes/sdlang.tmLanguage.json",
  "name": "kdl",
  "patterns": [
    {
      "include": "#forbidden_ident"
    },
    {
      "include": "#null"
    },
    {
      "include": "#boolean"
    },
    {
      "include": "#float_keyword"
    },
    {
      "include": "#float_fraction"
    },
    {
      "include": "#float_exp"
    },
    {
      "include": "#decimal"
    },
    {
      "include": "#hexadecimal"
    },
    {
      "include": "#octal"
    },
    {
      "include": "#binary"
    },
    {
      "include": "#raw-string"
    },
    {
      "include": "#string_multi_line"
    },
    {
      "include": "#string_single_line"
    },
    {
      "include": "#block_comment"
    },
    {
      "include": "#block_doc_comment"
    },
    {
      "include": "#slashdash_block_comment"
    },
    {
      "include": "#slashdash_comment"
    },
    {
      "include": "#slashdash_node_comment"
    },
    {
      "include": "#slashdash_node_with_children_comment"
    },
    {
      "include": "#line_comment"
    },
    {
      "include": "#attribute"
    },
    {
      "include": "#node_name"
    },
    {
      "include": "#ident_string"
    }
  ],
  "repository": {
    "float_fraction": {
      "comment": "Floating point literal (fraction)",
      "name": "constant.numeric.float.rust",
      "match": "\\b([0-9\\-\\+]|\\-|\\+)[0-9_]*\\.[0-9][0-9_]*([eE][+-]?[0-9_]+)?\\b"
    },
    "float_exp": {
      "comment": "Floating point literal (exponent)",
      "name": "constant.numeric.float.rust",
      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?[eE][+-]?[0-9_]+\\b"
    },
    "decimal": {
      "comment": "Integer literal (decimal)",
      "name": "constant.numeric.integer.decimal.rust",
      "match": "\\b[0-9\\-\\+][0-9_]*\\b"
    },
    "hexadecimal": {
      "comment": "Integer literal (hexadecimal)",
      "name": "constant.numeric.integer.hexadecimal.rust",
      "match": "\\b0x[a-fA-F0-9][a-fA-F0-9_]*\\b"
    },
    "octal": {
      "comment": "Integer literal (octal)",
      "name": "constant.numeric.integer.octal.rust",
      "match": "\\b0o[0-7][0-7_]*\\b"
    },
    "binary": {
      "comment": "Integer literal (binary)",
      "name": "constant.numeric.integer.binary.rust",
      "match": "\\b0b[01][01_]*\\b"
    },
    "forbidden_ident": {
      "name": "invalid.illegal.kdl.bad-ident",
      "match": "(?<!#)(?:true|false|null|nan|[-]?inf)"
    },
    "node_name": {
      "name": "entity.name.tag",
      "match": "((?<={|;)|^)\\s*(?![/\\\\{\\}#;\\[\\]\\=])[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]+\\d*[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]*"
    },
    "attribute": {
      "name": "entity.other.attribute-name.kdl",
      "match": "(?![/\\\\{\\}#;\\[\\]\\=])[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]+\\d*[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]*(=)",
      "captures": {
        "1": {
          "name": "punctuation.separator.key-value.kdl"
        }
      }
    },
    "ident_string": {
      "name": "string.unquoted",
      "match": "(?![/\\\\{\\}#;\\[\\]\\=])[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]+\\d*[<>:\\w\\-_~,'`!\\?@\\$%^&*+|.\\(\\)]*"
    },
    "float_keyword": {
      "name": "constant.language.other.kdl",
      "match": "#nan|#inf|#-inf"
    },
    "null": {
      "name": "constant.language.null.kdl",
      "match": "#null"
    },
    "boolean": {
      "name": "constant.language.boolean.kdl",
      "match": "#true|#false"
    },
    "string_single_line": {
      "name": "string.quoted.double.kdl",
      "begin": "\"",
      "end": "\"",
      "patterns": [
        {
          "name": "constant.character.escape.kdl",
          "match": "\\\\(:?[nrtbfs\\\\\"]|u\\{[a-fA-F0-9]{1,6}\\})"
        }
      ]
    },
    "string_multi_line": {
      "name": "string.quoted.triple.kdl",
      "begin": "\"\"\"",
      "end": "\"\"\"",
      "patterns": [
        {
          "name": "constant.character.escape.kdl",
          "match": "\\\\(:?[nrtbfs\\\\\"]|u\\{[a-fA-F0-9]{1,6}\\})"
        }
      ]
    },
    "raw-string": {
      "name": "string.quoted.other.raw.kdl",
      "begin": "(#+)(\"{3,1})",
      "end": "\\2\\1"
    },
    "block_doc_comment": {
      "comment": "Block documentation comment",
      "name": "comment.block.documentation.kdl",
      "begin": "/\\*[\\*!](?![\\*/])",
      "end": "\\*/",
      "patterns": [
        {
          "include": "#block_doc_comment"
        },
        {
          "include": "#block_comment"
        }
      ]
    },
    "block_comment": {
      "comment": "Block comment",
      "name": "comment.block.kdl",
      "begin": "/\\*",
      "end": "\\*/",
      "patterns": [
        {
          "include": "#block_doc_comment"
        },
        {
          "include": "#block_comment"
        }
      ]
    },
    "line_comment": {
      "comment": "Single-line comment",
      "name": "comment.line.double-slash.kdl",
      "begin": "//",
      "end": "$"
    },
    "slashdash_comment": {
      "name": "comment.block.slashdash.kdl",
      "comment": "Slashdash inline comment",
      "begin": "(?<!^\\s*)/-",
      "end": "\\s"
    },
    "slashdash_node_comment": {
      "name": "comment.block.slashdash.kdl",
      "comment": "Slashdash node comment",
      "begin": "(?<=^\\s*)/-[^{]+$",
      "end": "(?:;|(?<!\\\\)$)"
    },
    "slashdash_node_with_children_comment": {
      "name": "comment.block.slashdash.kdl",
      "comment": "Slashdash node comment",
      "begin": "(?<=^\\s*)/-[^{]+{",
      "end": "\\}"
    },
    "slashdash_block_comment": {
      "name": "comment.block.slashdash.kdl",
      "comment": "Slashdash block comment",
      "begin": "/-\\s*{",
      "end": "\\}"
    }
  },
  "scopeName": "source.kdl"
}