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adding user propagation to API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-18 10:30:10 -07:00
parent 578ddf3e9d
commit 0c93c7aa08
8 changed files with 133 additions and 12 deletions
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32
src/api/api_solver.cpp
View file

@ -886,5 +886,37 @@ extern "C" {
Z3_CATCH_RETURN(nullptr);
}
void Z3_API Z3_solver_propagate_init(
Z3_context c,
Z3_solver s,
void* user_context,
Z3_push_eh push_eh,
Z3_pop_eh pop_eh,
Z3_fixed_eh fixed_eh) {
Z3_TRY;
RESET_ERROR_CODE();
init_solver(c, s);
std::function<void(void*)> _push = push_eh;
std::function<void(void*,unsigned)> _pop = pop_eh;
std::function<void(void*,unsigned,expr*)> _fixed = [&](void* ctx, unsigned id, expr* e) { fixed_eh(ctx, id, of_ast(e)); };
to_solver_ref(s)->user_propagate_init(user_context, _fixed, _push, _pop);
Z3_CATCH;
}
unsigned Z3_API Z3_solver_propagate_register(Z3_context c, Z3_solver s, Z3_ast e) {
Z3_TRY;
LOG_Z3_solver_propagate_register(c, s, e);
RESET_ERROR_CODE();
return to_solver_ref(s)->user_propagate_register(to_expr(e));
Z3_CATCH_RETURN(0);
}
void Z3_API Z3_solver_propagate_consequence(Z3_context c, Z3_solver s, unsigned sz, unsigned const* ids, Z3_ast conseq) {
Z3_TRY;
LOG_Z3_solver_propagate_consequence(c, s, sz, ids, conseq);
RESET_ERROR_CODE();
to_solver_ref(s)->user_propagate_consequence(sz, ids, to_expr(conseq));
Z3_CATCH;
}
};

37
src/api/z3_api.h
View file

@ -6514,6 +6514,43 @@ extern "C" {
Z3_ast Z3_API Z3_solver_get_implied_upper(Z3_context c, Z3_solver s, Z3_ast e);
/**
\brief register a user-properator with the solver.
*/
typedef void Z3_push_eh(void* ctx);
typedef void Z3_pop_eh(void* ctx, unsigned num_scopes);
typedef void Z3_fixed_eh(void* ctx, unsigned id, Z3_ast value);
void Z3_API Z3_solver_propagate_init(
Z3_context c,
Z3_solver s,
void* user_context,
Z3_push_eh push_eh,
Z3_pop_eh pop_eh,
Z3_fixed_eh fixed_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.
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);
/**
\brief propagate a consequence based on fixed values.
This is a callback a client may invoke during the fixed_eh callback.
The callback adds a propagation consequence based on the fixed values of the
\c ids.
def_API('Z3_solver_propagate_consequence', VOID, (_in(CONTEXT), _in(SOLVER), _in(UINT), _in_array(2, UINT), _in(AST)))
*/
void Z3_API Z3_solver_propagate_consequence(Z3_context c, Z3_solver, unsigned sz, unsigned const* ids, Z3_ast conseq);
/**
\brief Check whether the assertions in a given solver are consistent or not.