Function parsePrimaryExpression

docs/app/js/sanddance-app.js:144174–144199

()

    "if": 1
};
function parsePrimaryExpression() {
    var type, token, expr;
    if (match("(")) return parseGroupExpression();
    if (match("[")) return parseArrayInitialiser();
    if (match("{")) return parseObjectInitialiser();
    type = lookahead.type;
    index = lookahead.start;
    if (type === TokenIdentifier || legalKeywords[lookahead.value]) expr = finishIdentifier(lex().value);
    else if (type === TokenStringLiteral || type === TokenNumericLiteral) {
        if (lookahead.octal) throwError(lookahead, MessageStrictOctalLiteral);
        expr = finishLiteral(lex());
    } else if (type === TokenKeyword) throw new Error(DISABLED);
    else if (type === TokenBooleanLiteral) {
        token = lex();
        token.value = token.value === "true";
        expr = finishLiteral(token);
    } else if (type === TokenNullLiteral) {
        token = lex();
        token.value = null;
        expr = finishLiteral(token);
    } else if (match("/") || match("/=")) {
        expr = finishLiteral(scanRegExp());
        peek();
    } else throwUnexpected(lex());
    return expr;
} // 11.2 Left-Hand-Side Expressions
function parseArguments() {
    const args = [];
    expect("(");