{
  "name": "Tact",
  "displayName": "Tact",
  "scopeName": "source.tact",
  "fileTypes": [
    "tact"
  ],
  "foldingStartMarker": "\\{\\s*$",
  "foldingStopMarker": "^\\s*\\}",
  "patterns": [
    {
      "include": "#comment"
    },
    {
      "include": "#annotation"
    },
    {
      "include": "#literal"
    },
    {
      "include": "#invalid"
    },
    {
      "include": "#constant"
    },
    {
      "include": "#type"
    },
    {
      "include": "#expression"
    },
    {
      "include": "#punctuation"
    },
    {
      "include": "#keyword"
    },
    {
      "include": "#function"
    },
    {
      "include": "#variable"
    }
  ],
  "repository": {
    "comment": {
      "patterns": [
        {
          "name": "comment.line.double-slash.tact",
          "begin": "//",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.comment.line.double-slash.tact"
            }
          },
          "patterns": [
            {
              "include": "#todo"
            }
          ],
          "end": "$"
        },
        {
          "name": "comment.block.tact",
          "begin": "\\s*/\\*",
          "beginCaptures": {
            "0": {
              "name": "comment.block.begin.tact punctuation.definition.comment.begin.tact"
            }
          },
          "patterns": [
            {
              "include": "#todo"
            }
          ],
          "end": "\\*/",
          "endCaptures": {
            "0": {
              "name": "comment.block.end.tact punctuation.definition.comment.end.tact"
            }
          }
        }
      ]
    },

    "todo": {
      "match": "\\b(FIXME|TODO|CHANGED|XXX|IDEA|HACK|NOTE|REVIEW|NB|BUG)\\b",
      "name": "keyword.comment.todo.tact"
    },

    "annotation": {
      "patterns": [
        {
          "comment": "@name() in native functions",
          "begin": "^\\s*(@name)\\s*(\\()",
          "beginCaptures": {
            "1": {
              "name": "entity.other.attribute-name.tact"
            },
            "2": {
              "name": "punctuation.brackets.round.tact"
            }
          },
          "patterns": [
            {
              "comment": "FunC identifier",
              "match": "(.*?)",
              "name": "entity.name.function.func.tact"
            }
          ],
          "end": "\\)",
          "endCaptures": {
            "0": {
              "name": "punctuation.brackets.round.tact"
            }
          }
        },
        {
          "comment": "One or more @inteface() before traits and contracts",
          "begin": "(?<!\\.)(@interface)\\s*(\\()",
          "beginCaptures": {
            "1": {
              "name": "entity.other.attribute-name.tact"
            },
            "2": {
              "name": "punctuation.brackets.round.tact"
            }
          },
          "patterns": [
            {
              "include": "#string"
            }
          ],
          "end": "\\)",
          "endCaptures": {
            "0": {
              "name": "punctuation.brackets.round.tact"
            }
          }
        },
        {
          "comment": "Asm arrangements",
          "begin": "(?<!\\.)(asm)\\s*(\\()",
          "beginCaptures": {
            "1": {
              "name": "entity.other.attribute-name.tact"
            },
            "2": {
              "name": "punctuation.brackets.round.tact"
            }
          },
          "patterns": [
            {
              "include": "#variable"
            },
            {
              "match": "->",
              "name": "keyword.operator.mapsto.tact"
            },
            {
              "comment": "Decimal integer WITH leading zero",
              "match": "\\b(0[0-9]*)\\b",
              "name": "constant.numeric.decimal.tact"
            },
            {
              "comment": "Decimal integer WITHOUT leading zero",
              "match": "\\b([1-9](?:_?[0-9])*)\\b",
              "name": "constant.numeric.decimal.tact"
            }
          ],
          "end": "\\)",
          "endCaptures": {
            "0": {
              "name": "punctuation.brackets.round.tact"
            }
          }
        },
        {
          "comment": "Fallback match",
          "match": "(?<!\\.)\\b(@name|@interface|asm)\\b",
          "name": "entity.other.attribute-name.tact"
        }
      ]
    },

    "literal": {
      "patterns": [
        {
          "comment": "Hexadecimal integer",
          "match": "\\b(0[xX][a-fA-F0-9](?:_?[a-fA-F0-9])*)\\b",
          "name": "constant.numeric.hex.tact"
        },
        {
          "comment": "Octal integer",
          "match": "\\b(0[oO][0-7](?:_?[0-7])*)\\b",
          "name": "constant.numeric.oct.tact"
        },
        {
          "comment": "Binary integer",
          "match": "\\b(0[bB][01](?:_?[01])*)\\b",
          "name": "constant.numeric.bin.tact"
        },
        {
          "comment": "Decimal integer WITH leading zero",
          "match": "\\b(0[0-9]*)\\b",
          "name": "constant.numeric.decimal.tact"
        },
        {
          "comment": "Decimal integer WITHOUT leading zero",
          "match": "\\b([1-9](?:_?[0-9])*)\\b",
          "name": "constant.numeric.decimal.tact"
        },
        {
          "comment": "Boolean literal",
          "match": "(?<!\\.)\\b(true|false)\\b",
          "name": "constant.language.bool.tact"
        },
        {
          "include": "#string"
        },
        {
          "comment": "self",
          "match": "(?<!\\.)\\b(self)\\b",
          "name": "variable.language.this.tact"
        }
      ]
    },

    "string": {
      "comment": "String literal",
      "begin": "\"",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.tact"
        }
      },
      "name": "string.quoted.double.tact",
      "patterns": [
        {
          "include": "#escape-sequence"
        }
      ],
      "end": "\"",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.tact"
        }
      }
    },

    "escape-sequence": {
      "comment": "Allowed escape sequences in strings",
      "match": "(?:\\\\)(?:(\\\\)|(\")|([nrtvbf])|(x[a-fA-F0-9]{2})|(u[a-fA-F0-9]{4})|(u\\{[a-fA-F0-9]{1,6}\\}))",
        "name": "constant.character.escape.tact",
        "captures": {
          "1": {
            "name": "constant.character.escape.backslash.tact"
          },
          "2": {
            "name": "constant.character.escape.double-quote.tact"
          },
          "3": {
            "name": "constant.character.escape.special.tact"
          },
          "4": {
            "name": "constant.character.escape.hex.tact"
          },
          "5": {
            "name": "constant.character.escape.unicode.tact"
          },
          "6": {
            "name": "constant.character.escape.unicodepoint.tact"
          }
        }
      },

      "invalid": {
        "patterns": [
          {
            "comment": "Anything starting with __gen or __tact",
            "match": "\\b__(?:gen|tact)[a-zA-Z0-9_]*\\b",
            "name": "invalid.illegal.identifier.tact"
          }
        ]
      },

      "constant": {
        "patterns": [
          {
            "comment": "self.storageReserve",
            "match": "(?<=self\\.)(storageReserve)\\b",
            "name": "constant.other.builtin.tact"
          },
          {
            "comment": "Other constants from the core library",
            "match": "(?<!\\.)\\b(SendRemainingValue|SendRemainingBalance|SendPayGasSeparately|SendIgnoreErrors|SendBounceIfActionFail|SendDestroyIfZero|SendOnlyEstimateFee|ReserveExact|ReserveAllExcept|ReserveAtMost|ReserveAddOriginalBalance|ReserveInvertSign|ReserveBounceIfActionFail)\\b",
            "name": "constant.other.builtin.tact"
          },
          {
            "comment": "ALL CAPS constants",
            "match": "\\b([A-Z]{2}[A-Z0-9_]*)\\b",
            "name": "constant.other.caps.tact"
          },
          {
            "comment": "Constant declaration or definition",
            "match": "(?<!\\.)\\b(const)\\s+([a-zA-Z_][A-Za-z0-9_]*)\\b",
            "captures": {
              "1": {
                "name": "keyword.other.tact"
              },
              "2": {
                "name": "constant.other.declaration.tact"
              }
            }
          },
          {
            "comment": "null",
            "match": "(?<!\\.)\\b(null)\\b",
            "name": "constant.language.null.tact"
          }
        ]
      },

      "type": {
        "patterns": [
          {
            "include": "#simple-type"
          },
          {
            "comment": "bounced<T>",
            "begin": "(?<!\\.)\\b(bounced)\\s*(<)",
            "beginCaptures": {
              "1": {
                "name": "entity.name.type.tact"
              },
              "2": {
                "name": "punctuation.brackets.angle.tact"
              }
            },
            "patterns": [
              {
                "include": "#simple-type"
              }
            ],
            "end": ">",
            "endCaptures": {
              "0": {
                "name": "punctuation.brackets.angle.tact"
              }
            }
          },
          {
            "comment": "map<K, V>",
            "begin": "(?<!\\.)\\b(map)\\s*(<)",
            "beginCaptures": {
              "1": {
                "name": "entity.name.type.tact"
              },
              "2": {
                "name": "punctuation.brackets.angle.tact"
              }
            },
            "patterns": [
              {
                "include": "#simple-type"
              },
              {
                "match": ",",
                "name": "punctuation.comma.tact"
              },
              {
                "include": "#as-tlb"
              }
            ],
            "end": ">",
            "endCaptures": {
              "0": {
                "name": "punctuation.brackets.angle.tact"
              }
            }
          },
          {
            "include": "#as-tlb"
          }
        ]
      },

      "simple-type": {
        "comment": "Simple types",
        "match": "(?<!\\.)\\b([A-Z][a-zA-Z0-9_]*)(\\??)",
        "captures": {
          "1": {
            "name": "entity.name.type.tact"
          },
          "2": {
            "name": "keyword.operator.optional.tact"
          }
        }
      },

      "as-tlb": {
        "comment": "Serialization",
        "patterns": [
          {
            "match": "(?<!\\.)\\b(as)\\s+(coins|remaining|bytes32|bytes64|int257|u?int(?:2[0-5][0-6]|1[0-9][0-9]|[1-9][0-9]?))\\b",
            "captures": {
              "1": {
                "name": "keyword.other.as.tact storage.modifier.tact"
              },
              "2": {
                "name": "entity.name.type.tact"
              }
            }
          }
        ]
      },

      "expression": {
        "patterns": [
          {
            "comment": "Logical operators",
            "match": "(\\|\\||&&|!!?)(?!=)",
            "name": "keyword.operator.logical.tact"
          },
          {
            "comment": "Bitwise operators",
            "match": "(\\^|&|\\||~|<<|>>)(?!=)",
            "name": "keyword.operator.bitwise.tact"
          },
          {
            "comment": "Augmented assignment operators",
            "match": "(\\+=|-=|\\*=|/=|%=|\\^=|&=|\\|=|<<=|>>=)",
            "name": "keyword.operator.assignment.tact"
          },
          {
            "comment": "Assignment operator",
            "match": "(?<![<>])=(?!=)",
            "name": "keyword.operator.assignment.equal.tact"
          },
          {
            "comment": "Comparison operators",
            "match": "([!=]=|<=?|>=?)",
            "name": "keyword.operator.comparison.tact"
          },
          {
            "comment": "Arithmetic operators",
            "match": "([+%*\\-])|(/(?!/))",
            "name": "keyword.operator.arithmetic.tact"
          },
          {
            "comment": "initOf expression",
            "match": "\\b(initOf)\\b",
            "name": "keyword.operator.new.tact"
          },
          {
            "comment": "Ternary expression",
            "begin": "(?!\\?\\.\\s*[^[:digit:]])(\\?)(?!\\?)",
            "beginCaptures": {
              "1": {
                "name": "keyword.operator.ternary.tact"
              }
            },
            "patterns": [
              {
                "include": "$self"
              }
            ],
            "end": "\\s*(:)",
            "endCaptures": {
              "1": {
                "name": "keyword.operator.ternary.tact"
              }
            }
          }
        ]
      },

      "punctuation": {
        "patterns": [
          {
            "match": ",",
            "name": "punctuation.comma.tact"
          },
          {
            "match": "[{}]",
            "name": "punctuation.brackets.curly.tact"
          },
          {
            "match": "[()]",
            "name": "punctuation.brackets.round.tact"
          },
          {
            "match": ";",
            "name": "punctuation.semi.tact"
          },
          {
            "match": ":",
            "name": "punctuation.colon.tact"
          },
          {
            "match": "\\.",
            "name": "punctuation.dot.tact"
          }
        ]
      },

      "keyword": {
        "patterns": [
          {
            "match": "(?<!\\.)\\b(import)\\b",
            "name": "keyword.control.import.tact"
          },
          {
            "comment": "Control flow keywords, prefixed by more than one dot",
            "match": "(?<=\\.\\.)\\b(else|catch|until|in(?!\\s*\\())\\b",
            "name": "keyword.control.tact"
          },
          {
            "comment": "Control flow keywords",
            "match": "(?<!\\.)\\b(if|else|try|catch|repeat|do|until|while|foreach|in(?!\\s*\\()|return)\\b",
            "name": "keyword.control.tact"
          },
          {
            "comment": "let and const",
            "match": "(?<!\\.)\\b(let|const)\\b",
            "name": "keyword.other.tact"
          },
          {
            "comment": "Serialization",
            "match": "(?<!\\.)\\b(as)\\b",
            "name": "keyword.other.as.tact storage.modifier.tact"
          },
          {
            "match": "(?<!\\.)\\b(struct)\\b",
            "name": "keyword.other.struct.tact"
          },
          {
            "match": "(?<!\\.)\\b(message)\\b",
            "name": "keyword.other.message.tact"
          },
          {
            "match": "(?<!\\.)\\b(trait)\\b",
            "name": "keyword.other.trait.tact"
          },
          {
            "match": "(?<!\\.)\\b(contract)\\b",
            "name": "keyword.other.contract.tact"
          },
          {
            "comment": "Constant and function attributes",
            "match": "(?<!\\.)\\b(abstract|virtual|override)\\b",
            "name": "keyword.other.attribute.tact storage.modifier.tact"
          },
          {
            "comment": "Function attributes",
            "match": "(?<!\\.)\\b(extends|get|inline|mutates)\\b",
            "name": "keyword.other.attribute.tact"
          },
          {
            "comment": "Function declaration/definition keywords",
            "match": "(?<!\\.)\\b(fun|native)\\b",
            "name": "keyword.other.function.tact"
          },
          {
            "comment": "Special functions",
            "match": "(?<!\\.)\\b(init|receive|bounced|external)(?=\\s*\\()",
            "name": "keyword.other.function.tact"
          },
          {
            "comment": "Reserved keywords",
            "match": "(?<!\\.)\\b(extend|public)\\b",
            "name": "keyword.other.reserved.tact"
          },
          {
            "comment": "Other keywords",
            "match": "(?<!\\.)\\b(primitive|with)\\b",
            "name": "keyword.other.tact"
          }
        ]
      },

      "function": {
        "comment": "Function declaration, definition or call",
        "match": "\\b((?:[a-zA-Z_][a-zA-Z0-9_]*))\\s*(\\()",
        "captures": {
          "1": {
            "name": "entity.name.function.tact"
          },
          "2": {
            "name": "punctuation.brackets.round.tact"
          }
        }
      },

      "variable": {
        "patterns": [
          {
            "comment": "Any valid Tact identifier",
            "match": "(?<!\\.)\\b(_)\\b",
            "name": "comment.unused-identifier.tact"
          },
          {
            "comment": "Any valid Tact identifier",
            "match": "\\b([a-zA-Z_][a-zA-Z0-9_]*)\\b",
            "name": "variable.other.tact"
          }
        ]
      }
    }
  }