[Webkit-unassigned] [Bug 149134] Confusing error message when closing curly brace is missing in a template literal string

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149134

--- Comment #1 from Joseph Pecoraro <joepeck at webkit.org> ---
> >>> var foo = 123; var bar = `aaa bbb '${typeof foo'.`; 42;

There are a couple interesting things here.

  (1) The error comes from attempting to start parsing the nested template string:

      This is valid: ` ... ${ ... `nested` }`
      In the above, the nested template is `; 42;<EOF>`.

  (2) We could have errored out sooner, in cases like:

        foo.' (tokenizes a string)
        foo.` (tokenizes a template string)

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