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Fix unsafe.Pointer usage in Go propagator - use uintptr_t for cgo.Handle

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2026-02-23 01:09:07 +00:00
parent 0de7af9112
commit d5030dfe30
3 changed files with 50 additions and 47 deletions
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38
src/api/go/propagator_bridge.c
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@ -1,56 +1,60 @@
#include "z3.h"
#include "_cgo_export.h"
#include <stdint.h>
/* Bridge functions that adapt C callback signatures to exported Go functions */
/* Bridge functions that adapt C callback signatures to exported Go functions.
* The user context (void*) is stored/received as uintptr_t to avoid unsafe pointer
* conversion warnings in Go. */
static void propagator_push_bridge(void* ctx, Z3_solver_callback cb) {
goPushCb(ctx, cb);
goPushCb((uintptr_t)ctx, cb);
}
static void propagator_pop_bridge(void* ctx, Z3_solver_callback cb, unsigned num_scopes) {
goPopCb(ctx, cb, num_scopes);
goPopCb((uintptr_t)ctx, cb, num_scopes);
}
static void* propagator_fresh_bridge(void* ctx, Z3_context new_context) {
return goFreshCb(ctx, new_context);
return (void*)goFreshCb((uintptr_t)ctx, new_context);
}
static void propagator_fixed_bridge(void* ctx, Z3_solver_callback cb, Z3_ast t, Z3_ast value) {
goFixedCb(ctx, cb, t, value);
goFixedCb((uintptr_t)ctx, cb, t, value);
}
static void propagator_eq_bridge(void* ctx, Z3_solver_callback cb, Z3_ast s, Z3_ast t) {
goEqCb(ctx, cb, s, t);
goEqCb((uintptr_t)ctx, cb, s, t);
}
static void propagator_diseq_bridge(void* ctx, Z3_solver_callback cb, Z3_ast s, Z3_ast t) {
goDiseqCb(ctx, cb, s, t);
goDiseqCb((uintptr_t)ctx, cb, s, t);
}
static void propagator_final_bridge(void* ctx, Z3_solver_callback cb) {
goFinalCb(ctx, cb);
goFinalCb((uintptr_t)ctx, cb);
}
static void propagator_created_bridge(void* ctx, Z3_solver_callback cb, Z3_ast t) {
goCreatedCb(ctx, cb, t);
goCreatedCb((uintptr_t)ctx, cb, t);
}
static void propagator_decide_bridge(void* ctx, Z3_solver_callback cb, Z3_ast t, unsigned idx, bool phase) {
goDecideCb(ctx, cb, t, idx, phase);
goDecideCb((uintptr_t)ctx, cb, t, idx, phase);
}
static bool propagator_on_binding_bridge(void* ctx, Z3_solver_callback cb, Z3_ast q, Z3_ast inst) {
return goOnBindingCb(ctx, cb, q, inst);
return goOnBindingCb((uintptr_t)ctx, cb, q, inst);
}
static void on_clause_bridge(void* ctx, Z3_ast proof_hint, unsigned n, unsigned const* deps, Z3_ast_vector literals) {
goOnClauseCb(ctx, proof_hint, n, (unsigned*)deps, literals);
goOnClauseCb((uintptr_t)ctx, proof_hint, n, (unsigned*)deps, literals);
}
/* C helper functions that Go calls to register callbacks */
/* C helper functions that Go calls to register callbacks.
* These take uintptr_t for the user context and cast it to void* internally. */
void z3go_solver_propagate_init(Z3_context ctx, Z3_solver s, void* user_ctx) {
Z3_solver_propagate_init(ctx, s, user_ctx,
void z3go_solver_propagate_init(Z3_context ctx, Z3_solver s, uintptr_t user_ctx) {
Z3_solver_propagate_init(ctx, s, (void*)user_ctx,
propagator_push_bridge,
propagator_pop_bridge,
propagator_fresh_bridge);
@ -84,6 +88,6 @@ void z3go_solver_propagate_on_binding(Z3_context ctx, Z3_solver s) {
Z3_solver_propagate_on_binding(ctx, s, propagator_on_binding_bridge);
}
void z3go_solver_register_on_clause(Z3_context ctx, Z3_solver s, void* user_ctx) {
Z3_solver_register_on_clause(ctx, s, user_ctx, on_clause_bridge);
void z3go_solver_register_on_clause(Z3_context ctx, Z3_solver s, uintptr_t user_ctx) {
Z3_solver_register_on_clause(ctx, s, (void*)user_ctx, on_clause_bridge);
}