Re: Compilation error in ancient YACC code

[Hans Åberg]

> On 15 Apr 2019, at 22:37, Chris Bragg <address@hidden> wrote:
> 
> The YACC compiler generates only two errors. I suspect that the problem is a
> minor one and that a small fix to the syntax will fix the problem. I am not
> a YACC programmer - it is a complete mystery to me - and I was hoping a
> posting of the yacc source code up to the point the errors occur and the
> error report itself would allow someone to spot the problem. 
> 
> The YACC errors reported are follows:
> 
> calc.y:121.14: error: syntax error, unexpected =
> 
>           expr = { Expression = $1;};
> 
>              ^
> 
> calc.y:123.23: error: syntax error, unexpected =
> 
>           '('  expr ')' = { $$

Just take away that = before all actions {…}. Somebody else might enlighten on 
the history of that.