[Pas2js] Directive {$I %LINE%} - Feature request

[warleyalex]

>   Function GetCurrentLineNumber: String;
>   begin
>     Result := {$I %LINE%};
>   end;

It doesn't make sense to me either.
---------

In Smart Pascal compiler, If we check this Compiler options "[ x ] Emit
source locations"
the compiler will emit a verbose JS with source locations. 

procedure TTest001.CheckRomanNumber;
begin
  Equal('DCLXVI', FField, 'an error has occurred at '+{$I %FUNCTION%} + '
line: '+{$I %LINE%});
end;

will emit this verbose JS:
-------------------------------------------------------------------------------------
/// procedure TTest001.CheckRomanNumber()
///  [line: 87, column: 4, file: TestFramework]
 CheckRomanNumber:function(Self) {
      TAbstractTestCase.Equal$2(Self,"DCLXVI",Self.FField,"an error has
occurred at   
                                            "+"TTest001.CheckRomanNumber"+"
line: "+"89");
}
-------------------------------------------------------------------------------------
Pas2JS could have this feature.



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