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extend solver callbacks with methods

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-21 19:24:59 -07:00
parent 080be7a2af
commit 2d5b749745
13 changed files with 343 additions and 55 deletions
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37
src/api/z3_api.h
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@ -1420,8 +1420,10 @@ typedef void Z3_error_handler(Z3_context c, Z3_error_code e);
*/
typedef void Z3_push_eh(void* ctx);
typedef void Z3_pop_eh(void* ctx, unsigned num_scopes);
typedef void Z3_fixed_eh(void* ctx, Z3_solver_callback cb, unsigned id, Z3_ast value);
typedef void* Z3_fresh_eh(void* ctx);
typedef void Z3_fixed_eh(void* ctx, Z3_solver_callback cb, unsigned id, Z3_ast value);
typedef void Z3_eq_eh(void* ctx, Z3_solver_callback cb, unsigned x, unsigned y);
typedef void Z3_final_eh(void* ctx, Z3_solver_callback cb);
/**
\brief A Goal is essentially a set of formulas.
@ -6537,9 +6539,38 @@ extern "C" {
void* user_context,
Z3_push_eh push_eh,
Z3_pop_eh pop_eh,
Z3_fixed_eh fixed_eh,
Z3_fresh_eh fresh_eh);
/**
\brief register a callback for when an expression is bound to a fixed value.
The supported expression types are
- Booleans
- Bit-vectors
*/
void Z3_API Z3_solver_propagate_fixed(Z3_context c, Z3_solver s, Z3_fixed_eh fixed_eh);
/**
\brief register a callback on final check.
This provides freedom to the propagator to delay actions or implement a branch-and bound solver.
The final_eh callback takes as argument the original user_context that was used
when calling \c Z3_solver_propagate_init, and it takes a callback context for propagations.
If may use the callback context to invoke the \c Z3_solver_propagate_consequence function.
If the callback context gets used, the solver continues.
*/
void Z3_API Z3_solver_propagate_final(Z3_context c, Z3_solver s, Z3_final_eh final_eh);
/**
\brief register a callback on expression equalities.
*/
void Z3_API Z3_solver_propagate_eq(Z3_context c, Z3_solver s, Z3_eq_eh eq_eh);
/**
\brief register a callback on expression dis-equalities.
*/
void Z3_API Z3_solver_propagate_diseq(Z3_context c, Z3_solver s, Z3_eq_eh eq_eh);
/**
\brief register an expression to propagate on with the solver.
Only expressions of type Bool and type Bit-Vector can be registered for propagation.
@ -6547,7 +6578,7 @@ extern "C" {
def_API('Z3_solver_propagate_register', UINT, (_in(CONTEXT), _in(SOLVER), _in(AST)))
*/
unsigned Z3_API Z3_solver_propagate_register(Z3_context c, Z3_solver s, Z3_ast e);
unsigned Z3_API Z3_solver_propagate_register(Z3_context c, Z3_solver s, Z3_ast e);
/**
\brief propagate a consequence based on fixed values.