virtual public void assignment_expression(assignment_expression ast, int parent)
{
// int myprec = prec("=");
// if (myprec <= parent)
// parenexpr(ast);
// else {
// visit(ast.e1, myprec);
// Write(" = ");
// visit(ast.e2, myprec);
// }
}
virtual public void assignment_expression(assignment_expression ast, int parent)
{
int myprec = prec("=");
if (myprec <= parent)
{
parenexpr(ast);
}
else
{
visit(ast.e1, myprec);
Write(" = ");
visit(ast.e2, myprec);
}
}
public virtual expression assignment_expression(assignment_expression ast, int lvalue, int rvalue)
{
ast.e1 = expression(ast.e1, 1, 0);
ast.e2 = expression(ast.e2, 0, ast.valueUsed ? 2 : 1);
return(wrap(ast, ast.valueUsed ? 2 : 1));
}