anchor.diff:  forStatementBeginToStep
   	: 'STEP' IntegerLiteral
   	;
  -
  -
   
   ifStatement
   	: 'IF' expression ifStatementThen ifStatementBody+? ifStatementEnd 
  
positive.code:     ;
  
  delimiter
      :   ';'
      |   '\n'
      ;
  
  primitiveType
  
negative.code: SEMI            : ';';
  COMMA           : ',';
  DOT             : '.';
  QUOTE			: '"';
  
  // §3.12 OPERATORS
  
  