eval(...)
public
Evaluates the Ruby expression(s) in string, in the
binding’s context. If the optional filename and
lineno parameters are present, they will be used when reporting
syntax errors.
def getBinding(param)
return binding
end
b = getBinding("hello")
b.eval("param")
Show source
/*
* call-seq:
* binding.eval(string [, filename [,lineno]]) => obj
*
* Evaluates the Ruby expression(s) in <em>string</em>, in the
* <em>binding</em>'s context. If the optional <em>filename</em> and
* <em>lineno</em> parameters are present, they will be used when
* reporting syntax errors.
*
* def getBinding(param)
* return binding
* end
* b = getBinding("hello")
* b.eval("param") #=> "hello"
*/
static VALUE
bind_eval(argc, argv, bindval)
int argc;
VALUE *argv;
VALUE bindval;
{
VALUE args[4];
rb_scan_args(argc, argv, "12", &args[0], &args[2], &args[3]);
args[1] = bindval;
return rb_f_eval(argc+1, args, Qnil /* self will be searched in eval */);
}