Function parsePostfixExpression

scripts/libs/esprima.js:2798–2820

()

    // 11.3 Postfix Expressions

    function parsePostfixExpression() {
        var expr, token, startToken = lookahead;

        expr = parseLeftHandSideExpressionAllowCall();

        if (!hasLineTerminator && lookahead.type === Token.Punctuator) {
            if (match('++') || match('--')) {
                // 11.3.1, 11.3.2
                if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
                    tolerateError(Messages.StrictLHSPostfix);
                }

                if (!isLeftHandSide(expr)) {
                    tolerateError(Messages.InvalidLHSInAssignment);
                }

                token = lex();
                expr = new WrappingNode(startToken).finishPostfixExpression(token.value, expr);
            }
        }

        return expr;
    }

    // 11.4 Unary Operators