Skip to main content

Primary

Syntax​

primary =
   constant /
   builtin /
   variable / (
   block /
   '( exp ');
variable = .id (
   '(symbol for left arrow) exp /
   '( block ') /
   .empty);
constant =  integer / real / string;
builtin =
   mesinfo /
   cortnin /
   ("MIN" / "MAX") exp $('. exp) '/ ;

parenthesized expressions may be a series of expressions. The value of a series is the value of the last one executed at run time.

Subroutines may have one call by name argument.

Expressions may be mixed. Strings are a big problem? Rulifson also wants to get rid of real numbers!!