rusty_cpp/solver/
mod.rs

1use z3::{Context, Solver};
2use std::collections::HashMap;
3
4#[allow(dead_code)]
5pub struct ConstraintSolver<'ctx> {
6    solver: Solver<'ctx>,
7}
8
9impl<'ctx> ConstraintSolver<'ctx> {
10    #[allow(dead_code)]
11    pub fn new(context: &'ctx Context) -> Self {
12        let solver = Solver::new(context);
13        Self { solver }
14    }
15    
16    #[allow(dead_code)]
17    pub fn add_lifetime_constraint(&mut self, constraint: LifetimeConstraint) {
18        // Convert lifetime constraints to Z3 assertions
19        match constraint {
20            LifetimeConstraint::Outlives { longer: _, shorter: _ } => {
21                // Add SMT constraint: longer >= shorter
22            }
23            LifetimeConstraint::MustBeValid { lifetime: _, point: _ } => {
24                // Add SMT constraint: lifetime.start <= point <= lifetime.end
25            }
26        }
27    }
28    
29    #[allow(dead_code)]
30    pub fn solve(&self) -> Result<Solution, String> {
31        match self.solver.check() {
32            z3::SatResult::Sat => {
33                // Extract model and return solution
34                Ok(Solution {
35                    lifetimes: HashMap::new(),
36                })
37            }
38            z3::SatResult::Unsat => {
39                Err("Lifetime constraints are unsatisfiable".to_string())
40            }
41            z3::SatResult::Unknown => {
42                Err("Could not determine satisfiability".to_string())
43            }
44        }
45    }
46}
47
48#[derive(Debug)]
49#[allow(dead_code)]
50pub enum LifetimeConstraint {
51    Outlives { longer: String, shorter: String },
52    MustBeValid { lifetime: String, point: usize },
53}
54
55#[derive(Debug)]
56#[allow(dead_code)]
57pub struct Solution {
58    pub lifetimes: HashMap<String, (usize, usize)>,
59}
rusty_cpp/solver/mod.rs

rusty_cpp/solver/
mod.rs
