use std::fmt;
use backends::backend::SMTNode;
#[derive(Clone, Debug)]
pub enum OpCodes {
Neg,
Sub,
Add,
Mul,
Div,
Lte,
Lt,
Gte,
Gt,
Const(f64),
FreeVar(String),
}
impl fmt::Display for OpCodes {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let s = match *self {
OpCodes::Neg => "-".to_owned(),
OpCodes::Sub => "-".to_owned(),
OpCodes::Add => "+".to_owned(),
OpCodes::Mul => "*".to_owned(),
OpCodes::Div => "/".to_owned(),
OpCodes::Lte => "<=".to_owned(),
OpCodes::Lt => "<".to_owned(),
OpCodes::Gte => ">=".to_owned(),
OpCodes::Gt => ">".to_owned(),
OpCodes::Const(ref val) => format!("{}", val),
OpCodes::FreeVar(ref name) => format!("{}", name),
};
write!(f, "{}", s)
}
}
impl_smt_node!(OpCodes, define vars [OpCodes::FreeVar(_)], define consts [OpCodes::Const(_)]);
#[derive(Clone,Debug)]
pub enum Sorts {
Real
}
impl fmt::Display for Sorts {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", "Real")
}
}