wit-grammar.json

{
  "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
  "name": "WIT",
  "fileTypes": ["wit"],
  "uuid": "73554272-ff1a-4515-879e-39a6dcec955d",
  "foldingStartMarker": "(\\{|\\[)\\s*",
  "foldingStopMarker": "\\s*(\\}|\\])",
  "scopeName": "source.wit",
  "patterns": [
    {
      "include": "#comment"
    },
    {
      "include": "#package"
    },
    {
      "include": "#toplevel-use"
    },
    {
      "include": "#world"
    },
    {
      "include": "#interface"
    },
    {
      "include": "#whitespace"
    }
  ],
  "repository": {
    "whitespace": {
      "name": "meta.whitespace.wit",
      "comment": "whitespace token",
      "match": "\\s+"
    },
    "comment": {
      "patterns": [
        {
          "include": "#block-comments"
        },
        {
          "include": "#doc-comment"
        },
        {
          "include": "#line-comment"
        }
      ]
    },
    "doc-comment": {
      "name": "comment.line.documentation.wit",
      "comment": "documentation comments",
      "begin": "^\\s*///",
      "end": "$",
      "patterns": [
        {
          "include": "#markdown"
        }
      ]
    },
    "line-comment": {
      "name": "comment.line.double-slash.wit",
      "comment": "line comments",
      "match": "\\s*//.*"
    },
    "block-comments": {
      "patterns": [
        {
          "name": "comment.block.empty.wit",
          "comment": "empty block comments",
          "match": "/\\*\\*/"
        },
        {
          "name": "comment.block.documentation.wit",
          "comment": "block documentation comments",
          "begin": "/\\*\\*",
          "end": "\\*/",
          "applyEndPatternLast": 1,
          "patterns": [
            {
              "include": "#block-comments"
            },
            {
              "include": "#markdown"
            },
            {
              "include": "#whitespace"
            }
          ]
        },
        {
          "name": "comment.block.wit",
          "comment": "block comments",
          "begin": "/\\*(?!\\*)",
          "end": "\\*/",
          "applyEndPatternLast": 1,
          "patterns": [
            {
              "include": "#block-comments"
            },
            {
              "include": "#whitespace"
            }
          ]
        }
      ]
    },
    "markdown": {
      "patterns": [
        {
          "match": "\\G\\s*(#+.*)$",
          "captures": {
            "1": {
              "name": "markup.heading.markdown"
            }
          }
        },
        {
          "match": "\\G\\s*((\\>)\\s+)+",
          "captures": {
            "2": {
              "name": "punctuation.definition.quote.begin.markdown"
            }
          }
        },
        {
          "match": "\\G\\s*(\\-)\\s+",
          "captures": {
            "1": {
              "name": "punctuation.definition.list.begin.markdown"
            }
          }
        },
        {
          "match": "\\G\\s*(([0-9]+\\.)\\s+)",
          "captures": {
            "1": {
              "name": "markup.list.numbered.markdown"
            },
            "2": {
              "name": "punctuation.definition.list.begin.markdown"
            }
          }
        },
        {
          "match": "(`.*?`)",
          "captures": {
            "1": {
              "name": "markup.italic.markdown"
            }
          }
        },
        {
          "match": "\\b(__.*?__)",
          "captures": {
            "1": {
              "name": "markup.bold.markdown"
            }
          }
        },
        {
          "match": "\\b(_.*?_)",
          "captures": {
            "1": {
              "name": "markup.italic.markdown"
            }
          }
        },
        {
          "match": "(\\*\\*.*?\\*\\*)",
          "captures": {
            "1": {
              "name": "markup.bold.markdown"
            }
          }
        },
        {
          "match": "(\\*.*?\\*)",
          "captures": {
            "1": {
              "name": "markup.italic.markdown"
            }
          }
        }
      ]
    },
    "operator": {
      "patterns": [
        {
          "name": "punctuation.equal.wit",
          "match": "\\="
        },
        {
          "name": "punctuation.comma.wit",
          "match": "\\,"
        },
        {
          "name": "keyword.operator.key-value.wit",
          "match": "\\:"
        },
        {
          "name": "punctuation.semicolon.wit",
          "match": "\\;"
        },
        {
          "name": "punctuation.brackets.round.begin.wit",
          "match": "\\("
        },
        {
          "name": "punctuation.brackets.round.end.wit",
          "match": "\\)"
        },
        {
          "name": "punctuation.brackets.curly.begin.wit",
          "match": "\\{"
        },
        {
          "name": "punctuation.brackets.curly.end.wit",
          "match": "\\}"
        },
        {
          "name": "punctuation.brackets.angle.begin.wit",
          "match": "\\<"
        },
        {
          "name": "punctuation.brackets.angle.end.wit",
          "match": "\\>"
        },
        {
          "name": "keyword.operator.star.wit",
          "match": "\\*"
        },
        {
          "name": "keyword.operator.arrow.skinny.wit",
          "match": "\\-\\>"
        }
      ]
    },
    "package": {
      "name": "meta.package-decl.wit",
      "match": "^(package)\\s+([^\\s]+)\\s*",
      "captures": {
        "1": {
          "name": "storage.modifier.package-decl.wit"
        },
        "2": {
          "name": "meta.id.package-decl.wit",
          "patterns": [
            {
              "name": "meta.package-identifier.wit",
              "match": "([^\\:]+)(\\:)([^\\@]+)((\\@)([^\\s]+))?",
              "captures": {
                "1": {
                  "name": "entity.name.namespace.package-identifier.wit",
                  "patterns": [
                    {
                      "include": "#identifier"
                    }
                  ]
                },
                "2": {
                  "name": "keyword.operator.namespace.package-identifier.wit"
                },
                "3": {
                  "name": "entity.name.type.package-identifier.wit",
                  "patterns": [
                    {
                      "include": "#identifier"
                    }
                  ]
                },
                "5": {
                  "name": "keyword.operator.versioning.package-identifier.wit"
                },
                "6": {
                  "name": "constant.numeric.versioning.package-identifier.wit"
                }
              }
            }
          ]
        }
      }
    },
    "toplevel-use": {
      "name": "meta.toplevel-use-item.wit",
      "match": "^(use)\\s+([^\\s]+)(\\s+(as)\\s+([^\\s]+))?\\s*",
      "captures": {
        "1": {
          "name": "keyword.other.use.toplevel-use-item.wit"
        },
        "2": {
          "name": "meta.interface.toplevel-use-item.wit",
          "patterns": [
            {
              "name": "entity.name.type.declaration.interface.toplevel-use-item.wit",
              "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
            },
            {
              "name": "meta.versioning.interface.toplevel-use-item.wit",
              "match": "(\\@)((0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?)",
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                "1": {
                  "name": "keyword.operator.versioning.interface.toplevel-use-item.wit"
                },
                "2": {
                  "name": "constant.numeric.versioning.interface.toplevel-use-item.wit"
                }
              }
            }
          ]
        },
        "4": {
          "name": "keyword.control.as.toplevel-use-item.wit"
        },
        "5": {
          "name": "entity.name.type.toplevel-use-item.wit"
        }
      }
    },
    "world": {
      "name": "meta.world-item.wit",
      "comment": "Syntax for WIT like `world \"id\" {`",
      "begin": "^\\b(default\\s+)?(world)\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
      "beginCaptures": {
        "1": {
          "name": "storage.modifier.default.world-item.wit"
        },
        "2": {
          "name": "keyword.declaration.world.world-item.wit storage.type.wit"
        },
        "3": {
          "name": "entity.name.type.id.world-item.wit"
        },
        "8": {
          "name": "punctuation.brackets.curly.begin.wit"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "name": "meta.export-item.wit",
          "comment": "Syntax for WIT like `export \"id\"`",
          "begin": "\\b(export)\\b\\s+([^\\s]+)",
          "beginCaptures": {
            "1": {
              "name": "keyword.control.export.export-item.wit"
            },
            "2": {
              "name": "meta.id.export-item.wit",
              "patterns": [
                {
                  "name": "variable.other.constant.id.export-item.wit",
                  "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
                },
                {
                  "name": "meta.versioning.id.export-item.wit",
                  "match": "(\\@)((0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?)",
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                    }
                  }
                }
              ]
            }
          },
          "patterns": [
            {
              "include": "#extern"
            },
            {
              "include": "#whitespace"
            }
          ],
          "end": "((?<=\\n)|(?=\\}))",
          "applyEndPatternLast": 1
        },
        {
          "name": "meta.import-item.wit",
          "comment": "Syntax for WIT like `import \"id\"`",
          "begin": "\\b(import)\\s+([^\\s]+)",
          "beginCaptures": {
            "1": {
              "name": "keyword.control.import.import-item.wit"
            },
            "2": {
              "name": "meta.id.import-item.wit",
              "patterns": [
                {
                  "name": "variable.other.id.import-item.wit",
                  "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
                },
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                  "name": "meta.versioning.id.import-item.wit",
                  "match": "(\\@)((0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?)",
                  "captures": {
                    "1": {
                      "name": "keyword.operator.versioning.id.import-item.wit"
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                      "name": "constant.numeric.versioning.id.import-item.wit"
                    }
                  }
                }
              ]
            }
          },
          "patterns": [
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              "include": "#extern"
            },
            {
              "include": "#whitespace"
            }
          ],
          "end": "((?<=\\n)|(?=\\}))",
          "applyEndPatternLast": 1
        },
        {
          "name": "meta.include-item.wit",
          "comment": "Syntax for WIT like `include \"use-path\"`",
          "begin": "\\b(include)\\s+([^\\s]+)\\s*",
          "beginCaptures": {
            "1": {
              "name": "keyword.control.include.include-item.wit"
            },
            "2": {
              "name": "meta.use-path.include-item.wit",
              "patterns": [
                {
                  "include": "#use-path"
                }
              ]
            }
          },
          "patterns": [
            {
              "name": "meta.with.include-item.wit",
              "begin": "\\b(with)\\b\\s+(\\{)",
              "beginCaptures": {
                "1": {
                  "name": "keyword.control.with.include-item.wit"
                },
                "2": {
                  "name": "punctuation.brackets.curly.begin.wit"
                }
              },
              "patterns": [
                {
                  "include": "#comment"
                },
                {
                  "name": "meta.include-names-item.wit",
                  "match": "([^\\s]+)\\s+(as)\\s+([^\\s\\,]+)",
                  "captures": {
                    "1": {
                      "name": "variable.other.id.include-names-item.wit"
                    },
                    "2": {
                      "name": "keyword.control.as.include-names-item.wit"
                    },
                    "3": {
                      "name": "entity.name.type.include-names-item.wit"
                    }
                  }
                },
                {
                  "name": "punctuation.comma.wit",
                  "match": "(\\,)"
                },
                {
                  "include": "#whitespace"
                }
              ],
              "end": "(\\})",
              "applyEndPatternLast": 1,
              "endCaptures": {
                "1": {
                  "name": "punctuation.brackets.curly.end.wit"
                }
              }
            }
          ],
          "end": "(?<=\\n)",
          "applyEndPatternLast": 1
        },
        {
          "include": "#use"
        },
        {
          "include": "#typedef-item"
        },
        {
          "include": "#whitespace"
        }
      ],
      "end": "(\\})",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "1": {
          "name": "punctuation.brackets.curly.end.wit"
        }
      }
    },
    "interface": {
      "name": "meta.interface-item.wit",
      "comment": "Syntax for WIT like `interface \"id\" {`",
      "begin": "^\\b(default\\s+)?(interface)\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
      "beginCaptures": {
        "1": {
          "name": "storage.modifier.default.interface-item.wit"
        },
        "2": {
          "name": "keyword.declaration.interface.interface-item.wit storage.type.wit"
        },
        "3": {
          "name": "entity.name.type.id.interface-item.wit"
        },
        "8": {
          "name": "punctuation.brackets.curly.begin.wit"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#interface-items"
        },
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        }
      ],
      "end": "(\\})",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "1": {
          "name": "punctuation.brackets.curly.end.wit"
        }
      }
    },
    "extern": {
      "name": "meta.extern-type.wit",
      "patterns": [
        {
          "name": "meta.interface-type.wit",
          "patterns": [
            {
              "begin": "\\b(interface)\\b\\s*(\\{)",
              "beginCaptures": {
                "1": {
                  "name": "keyword.other.interface.interface-type.wit"
                },
                "2": {
                  "name": "ppunctuation.brackets.curly.begin.wit"
                }
              },
              "patterns": [
                {
                  "include": "#comment"
                },
                {
                  "include": "#interface-items"
                },
                {
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              ],
              "end": "(\\})",
              "applyEndPatternLast": 1,
              "endCaptures": {
                "1": {
                  "name": "punctuation.brackets.curly.end.wit"
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              }
            }
          ]
        },
        {
          "include": "#function-definition"
        },
        {
          "include": "#use-path"
        }
      ]
    },
    "interface-items": {
      "name": "meta.interface-items.wit",
      "patterns": [
        {
          "include": "#typedef-item"
        },
        {
          "include": "#use"
        },
        {
          "include": "#function"
        }
      ]
    },
    "typedef-item": {
      "name": "meta.typedef-item.wit",
      "patterns": [
        {
          "include": "#resource"
        },
        {
          "include": "#variant"
        },
        {
          "include": "#record"
        },
        {
          "include": "#flags"
        },
        {
          "include": "#enum"
        },
        {
          "include": "#type-definition"
        }
      ]
    },
    "use": {
      "name": "meta.use-item.wit",
      "comment": "Syntax for WIT like `use \"id\".`",
      "begin": "\\b(use)\\b\\s+([^\\s]+)(\\.)(\\{)",
      "beginCaptures": {
        "1": {
          "name": "keyword.other.use.use-item.wit"
        },
        "2": {
          "patterns": [
            {
              "include": "#use-path"
            },
            {
              "include": "#whitespace"
            }
          ]
        },
        "3": {
          "name": "keyword.operator.namespace-separator.use-item.wit"
        },
        "4": {
          "name": "punctuation.brackets.curly.begin.wit"
        }
      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "name": "entity.name.type.declaration.use-names-item.use-item.wit",
          "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
        },
        {
          "name": "punctuation.comma.wit",
          "match": "(\\,)"
        },
        {
          "include": "#whitespace"
        }
      ],
      "end": "(\\})",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "1": {
          "name": "punctuation.brackets.curly.end.wit"
        }
      }
    },
    "use-path": {
      "name": "meta.use-path.wit",
      "patterns": [
        {
          "name": "entity.name.namespace.id.use-path.wit",
          "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
        },
        {
          "name": "meta.versioning.id.use-path.wit",
          "match": "(\\@)((0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?)",
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            }
          }
        },
        {
          "name": "keyword.operator.namespace-separator.use-path.wit",
          "match": "\\."
        }
      ]
    },
    "type-definition": {
      "name": "meta.type-item.wit",
      "comment": "Syntax for WIT like `type \"id\" =`",
      "begin": "\\b(type)\\b\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\=)",
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        },
        "7": {
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        }
      },
      "patterns": [
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          "name": "meta.types.type-item.wit",
          "include": "#types"
        },
        {
          "include": "#whitespace"
        }
      ],
      "end": "(?<=\\n)",
      "applyEndPatternLast": 1
    },
    "record": {
      "name": "meta.record-item.wit",
      "comment": "Syntax for WIT like `record \"id\" {`",
      "begin": "\\b(record)\\b\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
      "beginCaptures": {
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          "name": "keyword.declaration.record.record-item.wit"
        },
        "2": {
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        },
        "7": {
          "name": "punctuation.brackets.curly.begin.wit"
        }
      },
      "patterns": [
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          "include": "#comment"
        },
        {
          "include": "#record-fields"
        },
        {
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        }
      ],
      "end": "(\\})",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "1": {
          "name": "punctuation.brackets.curly.end.wit"
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      }
    },
    "record-fields": {
      "name": "meta.record-fields.wit",
      "begin": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b\\s*(\\:)",
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        "6": {
          "name": "keyword.operator.key-value.wit"
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      },
      "patterns": [
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          "include": "#comment"
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          "include": "#types"
        },
        {
          "include": "#whitespace"
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      ],
      "end": "((\\,)|(?=\\})|(?=\\n))",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "2": {
          "name": "punctuation.comma.wit"
        }
      }
    },
    "flags": {
      "name": "meta.flags-items.wit",
      "comment": "Syntax for WIT like `flags \"id\" {`",
      "begin": "\\b(flags)\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
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          "name": "keyword.other.flags.flags-items.wit"
        },
        "2": {
          "name": "entity.name.type.id.flags-items.wit"
        },
        "7": {
          "name": "punctuation.brackets.curly.begin.wit"
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      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#flags-fields"
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        {
          "include": "#whitespace"
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      ],
      "end": "(\\})",
      "applyEndPatternLast": 1,
      "endCaptures": {
        "1": {
          "name": "punctuation.brackets.curly.end.wit"
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    },
    "flags-fields": {
      "name": "meta.flags-fields.wit",
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "name": "variable.other.enummember.id.flags-fields.wit",
          "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
        },
        {
          "name": "punctuation.comma.wit",
          "match": "(\\,)"
        },
        {
          "include": "#whitespace"
        }
      ]
    },
    "variant": {
      "name": "meta.variant.wit",
      "comment": "Syntax for WIT like `variant \"id\" {`",
      "begin": "\\b(variant)\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
      "beginCaptures": {
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        "2": {
          "name": "entity.name.type.id.variant.wit"
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        "7": {
          "name": "punctuation.brackets.curly.begin.wit"
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      },
      "patterns": [
        {
          "include": "#comment"
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        {
          "include": "#variant-cases"
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        {
          "include": "#enum-cases"
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        {
          "include": "#whitespace"
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      ],
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      "applyEndPatternLast": 1,
      "endCaptures": {
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      }
    },
    "variant-cases": {
      "name": "meta.variant-cases.wit",
      "begin": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b\\s*(\\()",
      "beginCaptures": {
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          "name": "punctuation.brackets.round.begin.wit"
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      },
      "patterns": [
        {
          "name": "meta.types.variant-cases.wit",
          "include": "#types"
        },
        {
          "include": "#whitespace"
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      ],
      "end": "(\\))\\s*(\\,)?",
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          "name": "punctuation.comma.wit"
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      }
    },
    "enum": {
      "name": "meta.enum-items.wit",
      "comment": "Syntax for WIT like `enum \"id\" {`",
      "begin": "\\b(enum)\\b\\s+%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\{)",
      "beginCaptures": {
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          "name": "keyword.other.enum.enum-items.wit"
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        "2": {
          "name": "entity.name.type.id.enum-items.wit"
        },
        "7": {
          "name": "punctuation.brackets.curly.begin.wit"
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      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#enum-cases"
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        {
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      "endCaptures": {
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          "name": "punctuation.brackets.curly.end.wit"
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    },
    "enum-cases": {
      "name": "meta.enum-cases.wit",
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "name": "variable.other.enummember.id.enum-cases.wit",
          "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
        },
        {
          "name": "punctuation.comma.wit",
          "match": "(\\,)"
        },
        {
          "include": "#whitespace"
        }
      ]
    },
    "types": {
      "name": "meta.ty.wit",
      "comment": "Syntax for WIT types corresponding to the interface types specification",
      "patterns": [
        {
          "include": "#primitive"
        },
        {
          "include": "#container"
        },
        {
          "include": "#identifier"
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      ]
    },
    "primitive": {
      "name": "meta.primitive.ty.wit",
      "comment": "Syntax for WIT primitives like `'u8' | 'bool' | 'string'` and more",
      "patterns": [
        {
          "include": "#numeric"
        },
        {
          "include": "#boolean"
        },
        {
          "include": "#string"
        }
      ]
    },
    "numeric": {
      "name": "entity.name.type.numeric.wit",
      "comment": "Syntax for numeric types identifiers such as signed and unsigned integers and floating point identifiers",
      "match": "\\b(u8|u16|u32|u64|s8|s16|s32|s64|f32|f64|float32|float64)\\b"
    },
    "boolean": {
      "name": "entity.name.type.boolean.wit",
      "comment": "Syntax for boolean types such as bool",
      "match": "\\b(bool)\\b"
    },
    "string": {
      "name": "entity.name.type.string.wit",
      "comment": "Syntax for primitive types such as string and char",
      "match": "\\b(string|char)\\b"
    },
    "container": {
      "name": "meta.container.ty.wit",
      "comment": "Syntax for WIT containers like `tuple | list | result | handle`",
      "patterns": [
        {
          "include": "#tuple"
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        {
          "include": "#list"
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        {
          "include": "#option"
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        {
          "include": "#result"
        },
        {
          "include": "#handle"
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      ]
    },
    "tuple": {
      "name": "meta.tuple.ty.wit",
      "comment": "Syntax for WIT types such as tuple",
      "begin": "\\b(tuple)\\b(\\<)",
      "beginCaptures": {
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          "name": "entity.name.type.tuple.wit"
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        "2": {
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      },
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "name": "meta.types.tuple.wit",
          "include": "#types"
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        {
          "name": "punctuation.comma.wit",
          "match": "(\\,)"
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        {
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      ],
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      "applyEndPatternLast": 1,
      "endCaptures": {
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    },
    "list": {
      "name": "meta.list.ty.wit",
      "comment": "Syntax for WIT types such as list",
      "begin": "\\b(list)\\b(\\<)",
      "beginCaptures": {
        "1": {
          "name": "entity.name.type.list.wit"
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        "2": {
          "name": "punctuation.brackets.angle.begin.wit"
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      },
      "patterns": [
        {
          "include": "#comment"
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        {
          "name": "meta.types.list.wit",
          "include": "#types"
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        {
          "include": "#whitespace"
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      "endCaptures": {
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    },
    "option": {
      "name": "meta.option.ty.wit",
      "comment": "Syntax for WIT types such as option",
      "begin": "\\b(option)\\b(\\<)",
      "beginCaptures": {
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          "name": "entity.name.type.option.wit"
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        "2": {
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      },
      "patterns": [
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        {
          "name": "meta.types.option.wit",
          "include": "#types"
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        {
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      ],
      "end": "(\\>)",
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    },
    "result": {
      "name": "meta.result.ty.wit",
      "comment": "Syntax for WIT types such as result",
      "begin": "\\b(result)\\b",
      "beginCaptures": {
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        "2": {
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      },
      "patterns": [
        {
          "include": "#comment"
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        {
          "name": "meta.inner.result.wit",
          "begin": "(\\<)",
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          },
          "patterns": [
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            {
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              "match": "(?<!\\w)(\\_)(?!\\w)"
            },
            {
              "name": "meta.types.result.wit",
              "include": "#types"
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            {
              "name": "punctuation.comma.wit",
              "match": "(?<!result)\\s*(\\,)"
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            {
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          ],
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      "end": "((?<=\\n)|(?=\\,)|(?=\\}))",
      "applyEndPatternLast": 1
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    "handle": {
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      "comment": "Syntax for WIT types such as handle",
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        "3": {
          "name": "entity.name.type.id.handle.wit"
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          "name": "punctuation.brackets.angle.end.wit"
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      }
    },
    "identifier": {
      "name": "entity.name.type.id.wit",
      "comment": "Syntax for WIT types based on its identifier",
      "match": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\b"
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    "resource": {
      "name": "meta.resource-item.wit",
      "comment": "Syntax for WIT like `resource \"id\" {`",
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      "patterns": [
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      "end": "((?<=\\n)|(?=\\}))",
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          },
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          "end": "((?<=\\n)|(?=\\}))",
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    "function": {
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      "begin": "\\b%?((?<![\\-\\w])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*)(([\\-])([a-z][0-9a-z]*|[A-Z][0-9A-Z]*))*)\\s*(\\:)",
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          "name": "meta.word-separator.wit"
        },
        "5": {
          "name": "meta.word.wit"
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        "6": {
          "name": "keyword.operator.key-value.wit"
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      },
      "patterns": [
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        {
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      ],
      "end": "((?<=\\n)|(?=\\}))",
      "applyEndPatternLast": 1
    },
    "function-definition": {
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      "comment": "This is a function definition. This starts with a `func` keyword and ends with `new line`",
      "patterns": [
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          },
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          "end": "((?<=\\n)|(?=\\}))",
          "applyEndPatternLast": 1
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      ]
    },
    "parameter-list": {
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      "begin": "(\\()",
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        {
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    "result-list": {
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    "named-type-list": {
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      "patterns": [
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      "end": "((\\,)|(?=\\))|(?=\\n))",
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  }
}