the default implementation does nothing . concode_field_sep PlaceHolder placeHolder concode_field_sep void enterListOfVars concode_elem_sep void enterListOfAssignments concode_elem_sep void exitUnaryOperator concode_elem_sep void enterOperand concode_elem_sep void exitListOfVars concode_elem_sep void enterVariablesDeclaration concode_elem_sep void exitProgram concode_elem_sep void exitEveryRule concode_elem_sep void enterComputingDescription concode_elem_sep void exitSubExpression concode_elem_sep void exitListOfAssignments concode_elem_sep void enterEveryRule concode_elem_sep void enterBinaryOperand concode_elem_sep void exitExpression concode_elem_sep void enterAssignment concode_elem_sep void enterProgram concode_elem_sep void exitIdentifier concode_elem_sep void enterIdentifier concode_elem_sep void enterExpression concode_elem_sep void exitVariablesDeclaration concode_elem_sep void exitAssignment concode_elem_sep void visitErrorNode concode_elem_sep void enterUnaryOperator concode_elem_sep void visitTerminal concode_elem_sep void exitOperand concode_elem_sep void exitBinaryOperand concode_elem_sep void enterSubExpression
void function ( Lab4Parser . ComputingDescriptionContext arg0 ) { }