{
  "comment": "CDS Syntax: version 2.0",
  "fileTypes": [
    "cds",
    "cdl",
    "hdbdd"
  ],
  "name": "CDS",
  "patterns": [
    {
      "include": "#serviceDef"
    },
    {
      "include": "#actionOrFunctionDef"
    },
    {
      "include": "#aspectDefOrEntityDefOrTypeDefOrEventDefOrAnnotate"
    },
    {
      "include": "#extendArtifactWithDef"
    },
    {
      "include": "#extendAspectOrEntityOrTypeOrArtifact"
    },
    {
      "include": "#extendProjection"
    },
    {
      "match": "(?<!\\.)\\b(annotate)\\b\\s*([\\w.]+)\\b\\s*\\b(with)?\\b",
      "captures": {
        "1": {
          "name": "keyword.strong.control.import.cds"
        },
        "2": {
          "name": "entity.name.type.cds"
        },
        "3": {
          "name": "keyword.strong.control.import.cds"
        }
      }
    },
    {
      "begin": "(?<!\\.)\\b(using)(?!\\s*:)\\b",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.control.import.cds"
        }
      },
      "end": "(;)|\\n",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "begin": "{",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.modules.begin.cds"
            }
          },
          "comment": "{ member1 , member2 as alias2 , [...] }",
          "end": "}",
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.modules.end.cds"
            }
          },
          "patterns": [
            {
              "captures": {
                "1": {
                  "name": "variable.language.default.cds"
                },
                "2": {
                  "name": "entity.name.type.cds"
                },
                "3": {
                  "name": "keyword.strong.cds"
                },
                "4": {
                  "name": "entity.name.type.cds"
                }
              },
              "comment": "(default|name) as alias",
              "match": "(?:\\b(default)\\b|\\b([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)\\b)\\s*(\\bas\\b)\\s*(?:\\b([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)\\b)"
            },
            {
              "match": ",",
              "name": "punctuation.separator.object.cds"
            },
            {
              "include": "#comment"
            },
            {
              "match": "\\b([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)\\b",
              "name": "entity.name.type.cds"
            }
          ]
        },
        {
          "captures": {
            "1": {
              "name": "keyword.operator.asterisk"
            },
            "2": {
              "name": "entity.name.type.cds"
            },
            "3": {
              "name": "keyword.strong.control.cds"
            },
            "4": {
              "name": "entity.name.type.cds"
            }
          },
          "comment": "(default|*|name) as alias",
          "match": "(?:(\\*)|(?=\\D)(\\b[\\$\\.\\w]+\\b))\\s*(\\bas\\b)\\s*(?=\\D)(\\b[\\$\\.\\w]+\\b)"
        },
        {
          "match": "\\*",
          "name": "keyword.operator.asterisk"
        },
        {
          "match": "\\b(default)\\b",
          "name": "variable.language.default.cds"
        },
        {
          "include": "#string"
        },
        {
          "include": "#comment"
        },
        {
          "match": "(?i)\\b(from)\\b",
          "name": "keyword.strong.control.cds"
        },
        {
          "match": "\\b([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)\\b(?=.*\\bfrom\\b)",
          "name": "entity.name.type.cds"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        }
      ]
    },
    {
      "captures": {
        "1": {
          "name": "keyword.control.cds"
        },
        "2": {
          "name": "variable.language.default.cds"
        },
        "3": {
          "name": "variable.other.module.cds"
        }
      },
      "comment": "ES6 export: `export default (variable|class, etc.)`",
      "match": "(?i)\\b(export)\\b\\s*\\b(default)\\b(?:\\s*)\\b((?!\\bclass\\b|\\blet\\b|\\bvar\\b|\\bconst\\b)[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)?\\b",
      "name": "meta.export.cds"
    },
    {
      "captures": {
        "1": {
          "name": "storage.type.class.cds"
        },
        "2": {
          "name": "entity.name.type.class.cds"
        },
        "3": {
          "name": "storage.modifier.cds"
        },
        "4": {
          "name": "entity.other.inherited-class.cds"
        }
      },
      "match": "\\b(class)(?:\\s+([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*))?(?:\\s+(extends)\\s+([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*))?\\s*($|(?={))",
      "name": "meta.class.cds"
    },
    {
      "match": "=>",
      "name": "storage.type.arrow.cds"
    },
    {
      "match": "(?<!\\.|\\$)\\b(let|var)\\b(?!\\$)",
      "name": "storage.type.var.cds"
    },
    {
      "match": "(?<!\\.|\\$)\\b(get|set|const)\\b(?!\\$)",
      "name": "storage.modifier.cds"
    },
    {
      "captures": {
        "1": {
          "name": "keyword.control.cds"
        },
        "2": {
          "name": "storage.modifier.cds"
        }
      },
      "match": "(?<!\\.)\\b(yield)(?!\\s*:)\\b(?:\\s*(\\*))?",
      "name": "meta.control.yield.cds"
    },
    {
      "match": "\\b(false|Infinity|NaN|null|true|undefined)\\b",
      "name": "constant.language.cds"
    },
    {
      "match": "(?<!\\.)\\b(super|this)(?!\\s*:)\\b",
      "name": "variable.language.cds"
    },
    {
      "match": ";",
      "name": "punctuation.terminator.statement.cds"
    },
    {
      "captures": {
        "1": {
          "name": "punctuation.section.scope.begin.cds"
        },
        "2": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "comment": "Allows the special return snippet to fire.",
      "match": "(\\[)(\\])"
    },
    {
      "begin": "{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "$self"
        }
      ]
    },
    {
      "begin": "\\(",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "\\)",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "$self"
        }
      ]
    },
    {
      "comment": "Match classes based on the usage of the \"new\" operator.",
      "match": "(?<=new )([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)(?!\\w)",
      "name": "support.class.cds"
    },
    {
      "comment": "Match classes based on the usage of the \"instanceof\" operator.",
      "match": "(?<= instanceof )([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)(?!\\w)",
      "name": "support.class.cds"
    },
    {
      "comment": "Match classes based on the usage of the \"prototype\" property.",
      "match": "(?<!\\w)([$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)(?=\\.prototype\\b)",
      "name": "support.class.cds"
    },
    {
      "comment": "Matches the \"prototype\" keyword.  Even though it is not a valid keyword, it is a special constant of sorts.",
      "match": "(?i)(?<=\\.)(prototype)\\b",
      "name": "keyword.other.cds"
    },
    {
      "include": "#atAnnoParen"
    },
    {
      "include": "#atAnnoNoParen"
    },
    {
      "include": "#keyword"
    },
    {
      "include": "#number"
    },
    {
      "include": "#string"
    },
    {
      "include": "#comment"
    },
    {
      "include": "#operator"
    },
    {
      "include": "#identifier"
    }
  ],
  "repository": {
    "keyword": {
      "name": "keyword",
      "patterns": [
        {
          "comment": "Association, Composition",
          "match": "(?<!\\.|\\$)\\b(Association\\b\\s*(?:\\[[0-9.eE+, *-]*\\]\\s*)?to\\b\\s*(?:many\\s*|one\\s*)?|Composition\\b\\s*(?:\\[[0-9.eE+, *-]*\\]\\s*)?of\\b\\s*(?:many\\s*|one\\s*)?)(?:(?=\\s*{)|(\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*))",
          "captures": {
            "1": {
              "name": "support.class.cds"
            },
            "2": {
              "name": "entity.name.type.cds"
            }
          }
        },
        {
          "comment": "Types (exact casing)",
          "match": "(?<!\\.|\\$)\\b(Binary|Boolean|DateTime|Date|DecimalFloat|Decimal|Double|Int(16|32|64)|Integer64|Integer|LargeBinary|LargeString|Number|String|Timestamp|Time|UInt8|UUID|Vector)\\b\\s*(\\([^()]*\\))?(?!\\$|\\s*:)",
          "name": "support.class.cds"
        },
        {
          "comment": "CQL keywords (arbitrary casing)",
          "match": "(?i)(?<!\\.|\\$)\\b(all|and|any|asc|between|by|case|cast|cross|desc|distinct|element|elements|escape|except|excluding|exists|first|from|full|group|group by|having|in|inner|intersect|into|is|join|last|left|like|limit|many|minus|mixin|not null|not|null|nulls|offset|one|or|order by|outer|redirected to|select|some|stored|top|type of|union|where|with)\\b(?!\\$|\\s*:)",
          "name": "keyword.cds"
        },
        {
          "comment": "CQL keywords, strong (arbitrary casing)",
          "match": "(?i)(?<!\\.|\\$)\\b(as|key|on)\\b(?!\\$|\\s*:)",
          "name": "keyword.strong.cds"
        },
        {
          "comment": "CDL keywords (lowercase)",
          "match": "(?<!\\.|\\$)\\b(array of|column|columns|current|day|default|depends|else|enabled|end|generated|hana|hour|identity|language|leading|masked|minute|month|new|parameters|partition|projection|projection on|queue|reset|returns|right|row|second|start|storage|store|technical|then|trailing|trim|unique|unload|value|virtual|when|with parameters)\\b(?!\\$|\\s*:)",
          "name": "keyword.cds"
        },
        {
          "comment": "CDL keywords, strong (lowercase)",
          "match": "(?<!\\.|\\$)\\b(action|actions|annotation|context|define|enum|extend|function|namespace|service|view)\\b(?!\\$|\\s*:)",
          "name": "keyword.strong.cds"
        }
      ]
    },
    "identifier": {
      "name": "identifier",
      "patterns": [
        {
          "match": "(?i)(?<!@)(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
          "name": "entity.name.type.cds"
        }
      ]
    },
    "comment": {
      "name": "comment",
      "patterns": [
        {
          "begin": "/\\*\\*(?!/)",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.comment.begin.cds"
            }
          },
          "end": "\\*/",
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.comment.end.cds"
            }
          },
          "name": "comment.block.documentation.cds"
        },
        {
          "begin": "/\\*",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.comment.begin.cds"
            }
          },
          "end": "\\*/",
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.comment.end.cds"
            }
          },
          "name": "comment.block.cds"
        },
        {
          "match": "//.*",
          "name": "comment.line.double-slash.cds"
        }
      ]
    },
    "number": {
      "name": "number",
      "patterns": [
        {
          "match": "(?<!\\w|\\$)0[xX]\\h+\\b",
          "name": "constant.numeric.hex.cds"
        },
        {
          "match": "(?<!\\w|\\$)0[bB][01]+\\b",
          "name": "constant.numeric.binary.cds"
        },
        {
          "match": "(?<!\\w|\\$)0[oO][0-7]+\\b",
          "name": "constant.numeric.octal.cds"
        },
        {
          "match": "(?<!\\w|\\$)[+-]?[0-9]+('.'[0-9]+)?([eE][+-]?[0-9]+)?(?!\\w)",
          "name": "constant.numeric.cds"
        }
      ]
    },
    "operator": {
      "name": "operator",
      "patterns": [
        {
          "match": "!=|<=|>=|<>|<|>",
          "name": "keyword.operator.comparison.cds"
        },
        {
          "match": "\\|\\|",
          "name": "keyword.operator.concatenator.cds"
        },
        {
          "match": "&|\\||\\^|~",
          "name": "keyword.operator.bitwise.cds"
        },
        {
          "match": "\\:\\s*(localized)\\s+",
          "captures": {
            "1": {
              "name": "keyword.cds"
            }
          }
        },
        {
          "match": "[?:]",
          "name": "keyword.operator.cds"
        },
        {
          "match": "!",
          "name": "keyword.operator.logical.cds"
        },
        {
          "match": "=|\\:",
          "name": "keyword.operator.assignment.cds"
        },
        {
          "match": "%|\\*|/|\\-|\\+",
          "name": "keyword.operator.arithmetic.cds"
        }
      ]
    },
    "string": {
      "name": "string",
      "patterns": [
        {
          "begin": "'",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.string.begin.cds"
            }
          },
          "end": "'(?!')",
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.string.end.cds"
            }
          },
          "patterns": [
            {
              "match": "''",
              "name": "meta.single-quote.doubled.cds"
            }
          ],
          "name": "string.quoted.single.cds"
        },
        {
          "begin": "`",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.string.begin.cds"
            }
          },
          "end": "`(?!`)",
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.string.end.cds"
            }
          },
          "name": "string.quoted.other.template.cds",
          "patterns": [
            {
              "match": "``",
              "name": "string.quoted.other.template.block.cds"
            },
            {
              "include": "#interpolation"
            },
            {
              "include": "#escape"
            }
          ]
        }
      ]
    },
    "escape": {
      "match": "\\\\([xu$]\\{?[0-9a-fA-F]+}?|.|$)",
      "name": "constant.character.escape.cds"
    },
    "selectItemDef": {
      "name": "selectItemDef",
      "begin": "(?!\\s*@)",
      "end": "(?=})|(,)",
      "endCaptures": {
        "1": {
          "name": "punctuation.separator.object.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedSelectItemDef"
        },
        {
          "include": "#string"
        },
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#bracketedExpression"
        },
        {
          "comment": "Element name or type",
          "match": "(?<!@)(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
          "name": "entity.other.attribute-name.cds"
        },
        {
          "include": "#operator"
        },
        {
          "include": "#squareBrackets"
        },
        {
          "include": "#number"
        }
      ]
    },
    "elementDef": {
      "name": "elementDef",
      "begin": "(?:^|\\G)\\s*(?!extend)(virtual(?:\\s+))?(key(?:\\s+))?(masked(?:\\s+))?(element(?:\\s+))?(?=\\S)",
      "beginCaptures": {
        "1": {
          "name": "keyword.cds"
        },
        "2": {
          "name": "keyword.strong.cds"
        },
        "3": {
          "name": "keyword.cds"
        },
        "4": {
          "name": "keyword.cds"
        }
      },
      "end": "(?=})|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedElementDef"
        },
        {
          "include": "#string"
        },
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#bracketedExpression"
        },
        {
          "comment": "Element name or type",
          "match": "(?<!@)(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)(?=\\s*[:{,@])",
          "name": "entity.other.attribute-name.cds"
        },
        {
          "comment": "Whole-line element name",
          "match": "^\\s*(\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|(?!(when|then|else|end)\\s*$)[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)\\s*$",
          "captures": {
            "1": {
              "name": "entity.other.attribute-name.cds"
            }
          }
        },
        {
          "include": "#identifier"
        },
        {
          "include": "#operator"
        },
        {
          "include": "#number"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        },
        {
          "comment": "TODO include expressions"
        }
      ]
    },
    "bracedElementDef": {
      "name": "bracedElementDef",
      "comment": "Braces enclosing all elementDefs and extendElements; also typeStructs",
      "begin": "{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#extendElement"
        },
        {
          "include": "#elementDef"
        }
      ]
    },
    "bracedArtifactDefOrExtend": {
      "name": "bracedArtifactDefOrExtend",
      "begin": "{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#serviceDef"
        },
        {
          "include": "#actionOrFunctionDef"
        },
        {
          "include": "#aspectDefOrEntityDefOrTypeDefOrEventDefOrAnnotate"
        },
        {
          "include": "#keyword"
        }
      ]
    },
    "bracedSelectItemDef": {
      "name": "bracedSelectItemDef",
      "comment": "Braces enclosing all selectItemDefs",
      "begin": "{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#selectItemDef"
        }
      ]
    },
    "parameterListDef": {
      "name": "parameterListDef",
      "begin": "\\(",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.parameters.begin.cds"
        }
      },
      "end": "\\)",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.parameters.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "comment": "parameter name",
          "match": "(?<!@)(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)(?=\\s*[:{@])",
          "name": "variable.parameter.function.cds"
        },
        {
          "include": "#bracedElementDef"
        },
        {
          "include": "#identifier"
        },
        {
          "include": "#operator"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        }
      ]
    },
    "extendElement": {
      "name": "extendElement",
      "begin": "(?:^|\\G)\\s*(?=extend)",
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "begin": "\\bextend\\b(?=.*(?:[@{]|\\bwith\\b))",
          "beginCaptures": {
            "0": {
              "name": "keyword.strong.cds"
            }
          },
          "end": "(?:(?=[@{])|\\b(with)\\b)",
          "endCaptures": {
            "1": {
              "name": "keyword.cds"
            }
          },
          "patterns": [
            {
              "match": "element(?!(?:\\s*/[*].*[*]/\\s*|\\s+)?with\\b)",
              "name": "keyword.cds"
            },
            {
              "match": "(?<!@)(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
              "name": "entity.other.attribute-name.cds"
            },
            {
              "include": "#comment"
            }
          ]
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "begin": "{",
          "beginCaptures": {
            "0": {
              "name": "punctuation.section.scope.begin.cds"
            }
          },
          "end": "}",
          "endCaptures": {
            "0": {
              "name": "punctuation.section.scope.end.cds"
            }
          },
          "patterns": [
            {
              "include": "#extendElement"
            },
            {
              "include": "#elementDef"
            }
          ]
        },
        {
          "include": "#comment"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#identifier"
        },
        {
          "include": "#operator"
        },
        {
          "match": "\\(",
          "name": "punctuation.section.scope.begin.cds"
        },
        {
          "match": "\\)",
          "name": "punctuation.section.scope.end.cds"
        },
        {
          "include": "#number"
        }
      ]
    },

    "atAnnoParen": {
      "name": "atAnnoParen",
      "begin": "(@)\\s*(\\()",
      "beginCaptures": {
        "1": {
          "name": "entity.name.tag.at.cds"
        },
        "2": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "\\)",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracketedExpression"
        },
        {
          "include": "#annotationName"
        },
        {
          "include": "#optColonAndStructure"
        },
        {
          "include": "#optColonAndArray"
        },
        {
          "include": "#colonAndBracketedExpression"
        },
        {
          "include": "#colonAndNumber"
        },
        {
          "include": "#colonAndString"
        },
        {
          "include": "#colonAndTemplateString"
        },
        {
          "include": "#colonAndConstant"
        },
        {
          "include": "#colonAndOptHashIdent"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        },
        {
          "include": "#comment"
        }
      ]
    },

    "atAnnoNoParen": {
      "name": "atAnnoNoParen",
      "begin": "(@)(?!\\s*\\()",
      "comment": "'end' uses lookahead, since end of annotation value itself cannot currently be safely determined",
      "end": "(?<=[}\\]'`])(?=\\s*($|[@;]))|(?<![@:])(?!\\s*:)(?=$|[\\s@,;(){}\\[\\]'`/\"!]|\\b\\p{ID_Start})",
      "captures": {
        "1": {
          "name": "entity.name.tag.at.cds"
        }
      },
      "patterns": [
        {
          "include": "#annotationName"
        },
        {
          "include": "#optColonAndStructure"
        },
        {
          "include": "#optColonAndArray"
        },
        {
          "include": "#colonAndNumber"
        },
        {
          "include": "#colonAndString"
        },
        {
          "include": "#colonAndTemplateString"
        },
        {
          "include": "#colonAndConstant"
        },
        {
          "include": "#colonAndOptHashIdent"
        },
        {
          "include": "#comment"
        }
      ]
    },

    "atAnnoName": {
      "name": "atAnnoName",
      "begin": "(@)",
      "beginCaptures": {
        "1": {
          "name": "entity.name.tag.at.cds"
        }
      },
      "end": "(?:(?<=[$\"\\]])(?=\\s*[@:;])|(?<=\\p{ID_Continue})\\b)(?![#.])",
      "comment": "!TODO alternative end: (?=\\s*(?:$|[@,;:)]))",
      "patterns": [
        {
          "include": "#annotationName"
        }
      ]
    },

    "annotationName": {
      "name": "annotationName",
      "comment": "annotationPath ( '#' annotationPathVariant ) ?",
      "begin": "(?=[\"\\p{ID_Start}]|!\\[)",
      "end": "(?:(?<=[$\"\\]])(?=\\s*[@:;])|(?<=\\p{ID_Continue})\\b)(?!\\s*[#.])",
      "patterns": [
        {
          "match": "\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*",
          "name": "entity.name.tag.cds"
        },
        {
          "match": "\\s*(\\.)\\s*(@)?",
          "captures": {
            "1": {
              "name": "entity.name.tag.dot.cds"
            },
            "2": {
              "name": "entity.name.tag.at.cds"
            }
          }
        },
        {
          "match": "\\s*(#)\\s*",
          "captures": {
            "1": {
              "name": "entity.name.tag.hash.cds"
            }
          }
        }
      ]
    },

    "optColonAndStructure": {
      "name": "optColonAndStructure",
      "begin": "(:)?\\s*({)",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        },
        "2": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#atAnnoNoParen"
        },
        {
          "comment": "annotationPath ( '#' annotationPathVariant )?",
          "include": "#annotationName"
        },
        {
          "include": "#optColonAndStructure"
        },
        {
          "include": "#optColonAndArray"
        },
        {
          "include": "#colonAndNumber"
        },
        {
          "include": "#colonAndString"
        },
        {
          "include": "#colonAndTemplateString"
        },
        {
          "include": "#colonAndConstant"
        },
        {
          "include": "#colonAndOptHashIdent"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        },
        {
          "include": "#comment"
        }
      ]
    },

    "optColonAndArray": {
      "name": "optColonAndArray",
      "begin": "(:)?\\s*(\\[)",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        },
        "2": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "\\]",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#atAnnoNoParen"
        },
        {
          "comment": "annotationPath ( '#' annotationPathVariant )?",
          "include": "#annotationName"
        },
        {
          "match": "\\.{3}",
          "name": "keyword.operator.ellipsis"
        },
        {
          "match": "(?i)(up)\\s+(to)\\b",
          "captures": {
            "1": {
              "name": "keyword.cds"
            },
            "2": {
              "name": "keyword.cds"
            }
          }
        },
        {
          "include": "#optColonAndStructure"
        },
        {
          "include": "#optColonAndArray"
        },
        {
          "include": "#literalValue"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        },
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndBracketedExpression": {
      "name": "colonAndBracketedExpression",
      "begin": "(:)\\s*(?=\\()",
      "end": "(?<=\\))",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracketedExpression"
        },
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndNumber": {
      "name": "colonAndNumber",
      "begin": "(:)\\s*(?=[0-9+-])",
      "end": "(?<=[\\h0-9])\\b",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        }
      },
      "patterns": [
        {
          "include": "#number"
        },
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndString": {
      "name": "colonAndString",
      "begin": "(:)\\s*(x|date|time(?:stamp)?)?\\s*(')",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        },
        "2": {
          "name": "support.class.cds"
        },
        "3": {
          "name": "string.quoted.single.cds punctuation.definition.string.begin.cds"
        }
      },
      "end": "'(?!')",
      "endCaptures": {
        "0": {
          "name": "string.quoted.single.cds punctuation.definition.string.end.cds"
        }
      },
      "patterns": [
        {
          "match": "''",
          "name": "string.quoted.single.cds meta.single-quote.doubled.cds"
        },
        {
          "match": ".",
          "name": "string.quoted.single.cds"
        },
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndTemplateString": {
      "name": "colonAndTemplateString",
      "begin": "(:)\\s*(?=`)",
      "end": "(?<=`)",
      "beginCaptures": {
        "1": {
          "name": "keyword.operator.cds"
        }
      },
      "patterns": [
        {
          "include": "#string"
        },
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndOptHashIdent": {
      "name": "colonAndOptHashIdent",
      "match": "(:)\\s*(#)?\\s*(\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
      "captures": {
        "1": {
          "name": "keyword.operator.cds"
        },
        "2": {
          "name": "entity.name.tag.hash.cds"
        },
        "3": {
          "name": "entity.name.tag.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        }
      ]
    },
    "colonAndConstant": {
      "name": "colonAndConstant",
      "match": "(?i)(:)\\s*(null|true|false)\\b",
      "captures": {
        "1": {
          "name": "keyword.operator.cds"
        },
        "2": {
          "name": "constant.language.cds"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        }
      ]
    },

    "literalValue": {
      "name": "literalValue",
      "comment": "the rules grouped here, when preceded by ':', are found in their own separate rules",
      "patterns": [
        {
          "comment": "'#' ident",
          "match": "(#)\\s*(\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
          "captures": {
            "1": {
              "name": "entity.name.tag.hash.cds"
            },
            "2": {
              "name": "entity.name.tag.cds"
            }
          }
        },
        {
          "match": "(?i)\\b(?:null|true|false)\\b",
          "name": "constant.language.cds"
        },
        {
          "include": "#number"
        },
        {
          "include": "#string"
        },
        {
          "comment": "quotedLiteral",
          "match": "(?i)\\b(x|date|time(?:stamp)?)\\s*((')[^']*('))",
          "captures": {
            "1": {
              "name": "support.class.cds"
            },
            "2": {
              "name": "string.quoted.single.cds"
            },
            "3": {
              "name": "punctuation.definition.string.begin.cds"
            },
            "4": {
              "name": "punctuation.definition.string.end.cds"
            }
          }
        },
        {
          "comment": "TODO include '(' condition ')'"
        }
      ]
    },
    "bracketedExpression": {
      "name": "bracketedExpression",
      "begin": "\\(",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "\\)",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedSelectItemDef"
        },
        {
          "include": "#comment"
        },
        {
          "include": "#keyword"
        },
        {
          "match": "(?i)(?<!@|select from )(?:\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
          "name": "entity.other.attribute-name.cds"
        },
        {
          "include": "#identifier"
        },
        {
          "include": "#operator"
        },
        {
          "include": "#string"
        }
      ]
    },
    "squareBrackets": {
      "match": "\\[|\\]",
      "name": "meta.brace.square.cds"
    },
    "bracedDefinitionsOrAnnotateOrExtend": {
      "name": "bracedDefinitionsOrAnnotateOrExtend",
      "begin": "{",
      "beginCaptures": {
        "0": {
          "name": "punctuation.section.scope.begin.cds"
        }
      },
      "end": "}",
      "endCaptures": {
        "0": {
          "name": "punctuation.section.scope.end.cds"
        }
      },
      "patterns": [
        {
          "include": "#aspectDefOrEntityDefOrTypeDefOrEventDefOrAnnotate"
        },
        {
          "include": "#extendAspectOrEntityOrTypeOrArtifact"
        }
      ]
    },
    "extendArtifactWithDef": {
      "name": "extendArtifactWithDef",
      "begin": "(?i)\\b(extend)\\s+((?!@)\\S+)\\s+(with)\\s+(definitions)(?=\\s*{)",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        },
        "2": {
          "name": "entity.name.type.cds"
        },
        "3": {
          "name": "keyword.cds"
        },
        "4": {
          "name": "keyword.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedDefinitionsOrAnnotateOrExtend"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        }
      ]
    },
    "extendAspectOrEntityOrTypeOrArtifact": {
      "name": "extendAspectOrEntityOrTypeOrArtifact",
      "comment": "TODO simplify begin pattern - would currently produce false positives; allow annotationAssignment_ll1",
      "begin": "(?i)\\b(extend)\\s+((aspect|entity|type)\\s+)?((?!@)\\S+)(\\s+(with)(\\s+(actions|columns|elements|enum))?|(?=\\s*{))",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        },
        "3": {
          "name": "keyword.strong.cds"
        },
        "4": {
          "name": "entity.name.type.cds"
        },
        "6": {
          "name": "keyword.cds"
        },
        "8": {
          "name": "keyword.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedElementDef"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#identifier"
        },
        {
          "match": ",",
          "name": "punctuation.separator.object.cds"
        }
      ]
    },
    "extendProjection": {
      "name": "extendProjection",
      "comment": "TODO simplify begin pattern - would currently produce false positives; allow annotationAssignment_ll1",
      "begin": "(?i)\\b(extend)\\s+((projection)\\s+)?((?!@)\\S+)(\\s+(with)(\\s+(actions))?|(?=\\s*{))",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        },
        "3": {
          "name": "keyword.cds"
        },
        "4": {
          "name": "entity.name.type.cds"
        },
        "6": {
          "name": "keyword.cds"
        },
        "8": {
          "name": "keyword.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedSelectItemDef"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#identifier"
        }
      ]
    },
    "aspectDefOrEntityDefOrTypeDefOrEventDefOrAnnotate": {
      "name": "aspectDefOrEntityDefOrTypeDefOrEventDefOrAnnotate",
      "begin": "\\b((annotate)|(?:(aspect)|(abstract)\\s+(entity))(?=\\s+.*\\S+.*[{;])|(entity)(?=\\s+.*\\S+.*(?:\\s+as|\\{))|(type|event)(?=\\s+.*\\S+.*[:{]))\\b",
      "beginCaptures": {
        "2": {
          "name": "keyword.strong.control.import.cds"
        },
        "3": {
          "name": "keyword.strong.cds"
        },
        "4": {
          "name": "keyword.strong.cds"
        },
        "5": {
          "name": "keyword.strong.cds"
        },
        "6": {
          "name": "keyword.strong.cds"
        },
        "7": {
          "name": "keyword.strong.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "comment": "Aspects",
          "begin": ":",
          "end": "(?=[{;@])",
          "beginCaptures": {
            "0": {
              "name": "keyword.operator.cds"
            }
          },
          "patterns": [
            {
              "include": "#keyword"
            },
            {
              "include": "#number"
            },
            {
              "include": "#string"
            },
            {
              "include": "#comment"
            },
            {
              "include": "#identifier"
            },
            {
              "match": ",",
              "name": "punctuation.separator.object.cds"
            }
          ]
        },
        {
          "include": "#asSelectOrProjection"
        },
        {
          "include": "#bracedElementDef"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#identifier"
        }
      ]
    },
    "actionOrFunctionDef":     {
      "name": "actionOrFunctionDef",
      "begin": "(?i)\\b(action|function)\\s+(\"[^\"]*(?:\"\"[^\"]*)*\"|!\\[[^\\]]*(?:\\]\\][^\\]]*)*\\]|[$_\\p{ID_Start}][$\\p{ID_Continue}\\u200C\\u200D]*)",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        },
        "2": {
          "name": "entity.name.function.cds"
        }
      },
      "end": ";",
      "endCaptures": {
        "0": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#parameterListDef"
        },
        {
          "include": "#comment"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#bracedElementDef"
        },
        {
          "include": "#identifier"
        }
      ]
    },
    "serviceDef": {
      "name": "serviceDef",
      "begin": "\\b(service)(?=\\s+.*\\S+.*[{;])\\b",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#bracedArtifactDefOrExtend"
        },
        {
          "include": "#identifier"
        }
      ]
    },
    "asSelectOrProjection": {
      "name": "asSelectOrProjection",
      "begin": "\\b(as)\\b",
      "beginCaptures": {
        "1": {
          "name": "keyword.strong.cds"
        }
      },
      "end": "(?<=[};])(;)?|(;)",
      "endCaptures": {
        "1": {
          "name": "punctuation.terminator.statement.cds"
        },
        "2": {
          "name": "punctuation.terminator.statement.cds"
        }
      },
      "patterns": [
        {
          "include": "#bracedSelectItemDef"
        },
        {
          "include": "#atAnnoParen"
        },
        {
          "include": "#atAnnoNoParen"
        },
        {
          "include": "#keyword"
        },
        {
          "include": "#identifier"
        },
        {
          "include": "#operator"
        }
      ]
    }
  },
  "scopeName": "source.cds"
}