virtual public void binary_expression(binary_expression ast, int parent)
{
int myprec = prec(ast.op);
if (myprec <= parent)
{
parenexpr(ast);
}
else
{
visit(ast.e1, myprec);
Write(" {0} ", ast.op.str);
visit(ast.e2, myprec);
}
}
public virtual expression binary_expression(binary_expression ast, int lvalue, int rvalue)
{
ast.e1 = expression(ast.e1);
ast.e2 = expression(ast.e2);
return(wrap(ast, rvalue));
}
