{
    "fileTypes": [
        "jack"
    ],
    "name": "Jack Language",
    "patterns": [
        {
            "include": "#keyword"
        },
        {
            "include": "#constant"
        },
        {
            "include": "#declaration"
        },
        {
            "include": "#comment"
        }
    ],
    "repository": {
        "keyword": {
            "patterns": [
                {
                    "comment": "Keyword related to flow control",
                    "match": "\\b(if|else|while|do|return)\\b",
                    "name": "keyword.control"
                },
                {
                    "comment": "Miscellaneous keyword",
                    "match": "\\blet\\b",
                    "name": "keyword.other"
                }
            ]
        },
        "constant": {
            "patterns": [
                {
                    "comment": "Numeric constant",
                    "name": "constant.numeric",
                    "match": "\\b[0-9]+\\b"
                },
                {
                    "comment": "String literal",
                    "begin": "\\\"",
                    "end": "\\\"",
                    "name": "string.quoted.double",
                    "patterns": [
                        {
                            "comment": "Escape characters",
                            "match": "\\\\.",
                            "name": "constant.character.escape"
                        }
                    ]
                },
                {
                    "comment": "Language constant",
                    "name": "constant.language",
                    "match": "\\b(true|false|null|this)\\b"
                }
            ]
        },
        "declaration": {
            "patterns": [
                {
                    "comment": "Class declaration",
                    "match": "\\bclass\\b",
                    "name": "storage.type"
                },
                {
                    "comment": "Variable declaration",
                    "name": "storage.type",
                    "match": "\\b(field|static|var)\\s+(\\w+)\\b",
                    "captures": {
                        "1": {
                            "name": "storage.modifier"
                        },
                        "2": {
                            "name": "storage.type"
                        }
                    }
                },
                {
                    "comment": "Function declaration",
                    "begin": "\\b(constructor|function|method)\\s+([A-Za-z_][A-Za-z_0-9]*)\\s+([A-Za-z_][A-Za-z_0-9]*)\\s*\\(",
                    "end": "\\)",
                    "match": "meta.function",
                    "beginCaptures": {
                        "1": {
                            "name": "storage.modifier"
                        },
                        "2": {
                            "name": "storage.type"
                        }
                    },
                    "patterns": [
                        {
                            "match": "\\s*([A-Za-z_][A-Za-z_0-9]*)\\s+(?=[A-Za-z_][A-Za-z_0-9]*)\\b",
                            "name": "storage.type"
                        }
                    ]
                }
            ]
        },
        "comment": {
            "patterns": [
                {
                    "comment": "Inline comment",
                    "begin": "\\/\\/",
                    "end": "\\n",
                    "name": "comment.line.double-slash"
                },
                {
                    "comment": "Multiline comment",
                    "begin": "\\/\\*",
                    "end": "\\*\\/",
                    "name": "comment.block"
                }
            ]
        }
    },
    "scopeName": "source.jack"
}