#implicitCopy

#ignore["wnl"] ::= ' ' | '\t';

defines ::= #ignore("wnl") [directives]+ #continue #empty
;

directives ::=
    #explicitCopy
    [
    '#' [#readIdentifier:{"define"}] [#readIdentifier: def] [#readIdentifier : rep]
    => insert this.defines[def] = rep;
    => traceLine("def = " + def + " rep = " + rep);
    ]
    '\n' => traceLine("newline at macro's end:");
    | #explicitCopy
    [
      #readIdentifier : word ['\n']?
      [#check(findElement(word, this.defines))
        => {%>@this.defines[word]@<%}
|=> {%>@word@<%}
      ]
    ]
    | '\n' => traceLine("newline");
;