{
    "fileTypes": [
        "asm"
    ],
    "name": "Hack Assembly Language",
    "patterns": [
        {
            "include": "#declaration"
        },
        {
            "include": "#A-instruction"
        },
        {
            "include": "#destination"
        },
        {
            "include": "#boolean"
        },
        {
            "include": "#jump"
        },
        {
            "include": "#comment"
        }
    ],
    "repository": {
        "declaration": {
            "patterns": [
                {
                    "comment": "Label declaration",
                    "match": "\\(([^ \\/]*)\\)",
                    "name": "storage.type",
                    "captures": {
                        "1": {
                            "patterns": [
                                {
                                    "comment": "Label",
                                    "match": "[a-zA-Z\\_\\.\\$\\:]+[a-zA-Z\\_\\.\\$\\:\\d]*",
                                    "name": "variable.other"
                                }
                            ]
                        }
                    }
                }
            ]
        },
        "A-instruction": {
            "patterns": [
                {
                    "comment": "@XXX instruction",
                    "match": "\\@([^ \\/]*)",
                    "name": "keyword.operator",
                    "captures": {
                        "1": {
                            "patterns": [
                                {
                                    "match": "R10|R11|R12|R13|R14|R15|R0|R1|R2|R3|R4|R5|R6|R7|R8|R9|SP|LCL|ARG|THIS|THAT|SCREEN|KBD",
                                    "name": "variable.language"
                                },
                                {
                                    "comment": "A-instruction string argument",
                                    "match": "[a-zA-Z\\_\\.\\$\\:]+[a-zA-Z\\_\\.\\$\\:\\d]*",
                                    "name": "variable.other"
                                },
                                {
                                    "match": "\\d+",
                                    "name": "constant.numeric"
                                }
                            ]
                        }
                    }
                }
            ]
        },
        "destination": {
            "patterns": [
                {
                    "comment": "Left-hand side",
                    "match": "null|M|D|A|MD|AM|AD|AMD",
                    "name": "variable.language"
                }
            ]
        },
        "jump": {
            "patterns": [
                {
                    "comment": "Jump type",
                    "match": "JGT|JLE|JEQ|JLT|JNE|JMP|JGE",
                    "name": "keyword.control"
                }
            ]
        },
        "comment": {
            "patterns": [
                {
                    "comment": "Inline comment",
                    "begin": "\\/\\/",
                    "end": "\\n",
                    "name": "comment.line.double-slash"
                },
                {
                    "comment": "Multiline comment",
                    "begin": "\\/\\*",
                    "end": "\\*\\/",
                    "name": "comment.block"
                }
            ]
        }
    },
    "scopeName": "source.asm"
}