Execute a string of JavaScript code in this V8 context. The |script_url|
parameter is the URL where the script in question can be found, if any.
The |start_line| parameter is the base line number to use for error
reporting. On success |retval| will be set to the return value, if any,
and the function will return true (1). On failure |exception| will be set
to the exception, if any, and the function will return false (0).
Execute a string of JavaScript code in this V8 context. The |script_url| parameter is the URL where the script in question can be found, if any. The |start_line| parameter is the base line number to use for error reporting. On success |retval| will be set to the return value, if any, and the function will return true (1). On failure |exception| will be set to the exception, if any, and the function will return false (0).