harmonyc/parser/lexer_rules.js

Harmony Code - model-driven BDD for Vitest

export var T;
(function (T) {
    T["Newline"] = "newline";
    T["Comment"] = "comment";
    /** the => */
    T["ResponseArrow"] = "=>";
    T["ErrorMark"] = "!!";
    T["Words"] = "words";
    T["Minus"] = "-";
    T["Plus"] = "+";
    T["Colon"] = ":";
    T["Space"] = "space";
    T["OpeningBracket"] = "[";
    T["ClosingBracket"] = "]";
    T["OpeningBrace"] = "{";
    T["ClosingBrace"] = "}";
    T["And"] = "&";
    T["Slash"] = "/";
    T["Semicolon"] = ";";
    T["DoubleQuoteString"] = "double-quote string";
    T["UnclosedDoubleQuoteString"] = "unclosed double-quote string";
    T["BacktickString"] = "backtick string";
    T["UnclosedBacktickString"] = "unclosed backtick string";
    T["InvalidEmptyBacktickString"] = "invalid empty backtick string";
    T["InvalidWhitespace"] = "invalid whitespace";
    T["InvalidTab"] = "invalid tab";
    T["MultilineString"] = "multiline string";
    T["InvalidMultilineStringMark"] = "invalid multiline string mark";
    T["Variable"] = "variable";
    T["InvalidEmptyVariable"] = "invalid empty variable";
    T["UnclosedVariable"] = "unclosed variable";
})(T || (T = {}));
const rules = [
    // false = ignore token
    // if multiple patterns match, the former wins
    // patterns must be y (sticky)
    [true, /\n/y, T.Newline],
    [true, /\t/y, T.InvalidTab],
    [true, /[\x00-\x1f]/y, T.InvalidWhitespace],
    [true, /^(  )*[+]( |$)/my, T.Plus],
    [true, /^(  )*[-]( |$)/my, T.Minus],
    [false, / /y, T.Space],
    [false, /(#|\/\/).*?(?=\n|$)/y, T.Comment],
    [true, /:(?=\s*(?:\n|$))/y, T.Colon],
    [true, /\[/y, T.OpeningBracket],
    [true, /\]/y, T.ClosingBracket],
    [true, /\{/y, T.OpeningBrace],
    [true, /\}/y, T.ClosingBrace],
    [true, /\//y, T.Slash],
    [true, /&/y, T.And],
    [true, /;/y, T.Semicolon],
    [true, /!!/y, T.ErrorMark],
    [true, /=>/y, T.ResponseArrow],
    [
        true,
        /"(?:[^"\\\n]|\\(?:[bfnrtv"\\/]|u[0-9a-fA-F]{4}))*"/y,
        T.DoubleQuoteString,
    ],
    [
        true,
        /"(?:[^"\\\n]|\\(?:[bfnrtv"\\/]|u[0-9a-fA-F]{4}))*/y,
        T.UnclosedDoubleQuoteString,
    ],
    [true, /``/y, T.InvalidEmptyBacktickString],
    [true, /`[^`]+`/y, T.BacktickString],
    [true, /`[^`]*/y, T.UnclosedBacktickString],
    [true, /\$\{[^}\n]+\}/y, T.Variable],
    [true, /\$\{\}/y, T.InvalidEmptyVariable],
    [true, /\$\{[^}\n]*/y, T.UnclosedVariable],
    [true, /\|(?: .*|(?=\n|$))/y, T.MultilineString],
    [true, /\|[^ \n]/y, T.InvalidMultilineStringMark],
    [true, /.+?(?=[\[\]"`|#{}&/;]|\$\{|$|=>|!!|:\s*$)/my, T.Words],
];
export default rules;