#ifdef HAVE_CONFIG_H
# include "config.h"
+#else
+# include "php_config.h"
#endif
#include "php.h"
#ifdef HAVE_LIBFFI
#include "php_psi.h"
-#include "libffi.h"
#include "engine.h"
#undef PACKAGE
static void psi_ffi_callback(ffi_cif *_sig, void *_result, void **_args, void *_data)
{
- size_t i;
- unsigned argc = _sig->nargs;
- void **argv = _args;
- let_callback *cb = _data;
- decl *decl_cb = cb->decl;
- impl_arg *iarg = cb->func->var->arg;
- zval return_value, *zargv = calloc(argc, sizeof(*zargv));
- void *result, *to_free = NULL;
-
- ZEND_ASSERT(argc == cb->decl->args->count);
-
- /* prepare args for the userland call */
- for (i = 0; i < argc; ++i) {
- cb->decl->args->args[i]->let = argv[i];
- }
- for (i = 0; i < cb->args->count; ++i) {
- psi_do_set(&zargv[i], cb->args->vals[i]);
- }
- zend_fcall_info_argp(&iarg->val.zend.cb->fci, cb->args->count, zargv);
-
- /* callback into userland */
- ZVAL_UNDEF(&return_value);
- iarg->_zv = &return_value;
- zend_fcall_info_call(&iarg->val.zend.cb->fci, &iarg->val.zend.cb->fcc, iarg->_zv, NULL);
-
- /* marshal return value of the userland call */
- switch (iarg->type->type) {
- case PSI_T_BOOL: zend_parse_arg_bool(iarg->_zv, &iarg->val.zend.bval, NULL, 0); break;
- case PSI_T_LONG: zend_parse_arg_long(iarg->_zv, &iarg->val.zend.lval, NULL, 0, 1); break;
- case PSI_T_FLOAT:
- case PSI_T_DOUBLE: zend_parse_arg_double(iarg->_zv, &iarg->val.dval, NULL, 0); break;
- case PSI_T_STRING: zend_parse_arg_str(iarg->_zv, &iarg->val.zend.str, 0); break;
- }
- result = cb->func->handler(_result, decl_cb->func->type, iarg, &to_free);
-
- if (result != _result) {
- *(void **)_result = result;
- }
-
- zend_fcall_info_args_clear(&iarg->val.zend.cb->fci, 0);
- for (i = 0; i < cb->args->count; ++i) {
- zval_ptr_dtor(&zargv[i]);
- }
- free(zargv);
+ psi_callback(_data, _result, _sig->nargs, _args);
}
static inline ffi_type *psi_ffi_decl_arg_type(decl_arg *darg);
-typedef struct PSI_LibffiContext {
+struct psi_ffi_context {
ffi_cif signature;
ffi_type *params[2];
-} PSI_LibffiContext;
+};
-typedef struct PSI_LibffiCall {
+struct psi_ffi_call {
void *code;
ffi_closure *closure;
ffi_cif signature;
void *params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
-} PSI_LibffiCall;
+};
static inline ffi_abi psi_ffi_abi(const char *convention) {
return FFI_DEFAULT_ABI;
}
-static inline PSI_LibffiCall *PSI_LibffiCallAlloc(PSI_Context *C, decl *decl) {
+static inline struct psi_ffi_call *psi_ffi_call_alloc(struct psi_context *C, decl *decl) {
int rc;
size_t i, c = decl->args ? decl->args->count : 0;
- PSI_LibffiCall *call = calloc(1, sizeof(*call) + 2 * c * sizeof(void *));
+ struct psi_ffi_call *call = calloc(1, sizeof(*call) + 2 * c * sizeof(void *));
for (i = 0; i < c; ++i) {
call->params[i] = psi_ffi_decl_arg_type(decl->args->args[i]);
return call;
}
-static inline ffi_status PSI_LibffiCallInitClosure(PSI_Context *C, PSI_LibffiCall *call, impl *impl) {
- PSI_LibffiContext *context = C->context;
+static inline ffi_status psi_ffi_call_init_closure(struct psi_context *C, struct psi_ffi_call *call, impl *impl) {
+ struct psi_ffi_context *context = C->context;
return psi_ffi_prep_closure(&call->closure, &call->code, &context->signature, psi_ffi_handler, impl);
}
-static inline ffi_status PSI_LibffiCallInitCallbackClosure(PSI_Context *C, PSI_LibffiCall *call, let_callback *cb) {
+static inline ffi_status psi_ffi_call_init_callback_closure(struct psi_context *C, struct psi_ffi_call *call, let_callback *cb) {
return psi_ffi_prep_closure(&call->closure, &call->code, &call->signature, psi_ffi_callback, cb);
}
-static inline void PSI_LibffiCallFree(PSI_LibffiCall *call) {
+static inline void psi_ffi_call_free(struct psi_ffi_call *call) {
if (call->closure) {
psi_ffi_closure_free(call->closure);
}
decl_type *real = real_decl_type(type);
switch (real->type) {
- case PSI_T_FUNCTION:
- return &ffi_type_pointer;
-
case PSI_T_STRUCT:
- if (!real->strct->engine.type) {
+ if (!real->real.strct->engine.type) {
ffi_type *strct = calloc(1, sizeof(ffi_type));
strct->type = FFI_TYPE_STRUCT;
strct->size = 0;
- strct->elements = psi_ffi_struct_type_elements(real->strct);
+ strct->elements = psi_ffi_struct_type_elements(real->real.strct);
- real->strct->engine.type = strct;
- real->strct->engine.dtor = psi_ffi_struct_type_dtor;
+ real->real.strct->engine.type = strct;
+ real->real.strct->engine.dtor = psi_ffi_struct_type_dtor;
}
- return real->strct->engine.type;
+ return real->real.strct->engine.type;
case PSI_T_UNION:
- return psi_ffi_decl_arg_type(real->unn->args->args[0]);
+ return psi_ffi_decl_arg_type(real->real.unn->args->args[0]);
default:
return psi_ffi_token_type(real->type);
}
-static inline PSI_LibffiContext *PSI_LibffiContextInit(PSI_LibffiContext *L) {
+static inline struct psi_ffi_context *psi_ffi_context_init(struct psi_ffi_context *L) {
ffi_status rc;
if (!L) {
return L;
}
-static void psi_ffi_init(PSI_Context *C)
+static inline void psi_ffi_context_free(struct psi_ffi_context **L) {
+ if (*L) {
+ free(*L);
+ *L = NULL;
+ }
+}
+
+static void psi_ffi_init(struct psi_context *C)
{
- C->context = PSI_LibffiContextInit(NULL);
+ C->context = psi_ffi_context_init(NULL);
+}
+
+static inline void psi_ffi_destroy_callbacks(struct psi_context *C, let_val *let_val) {
+ let_callback *cb;
+ let_func *fn = NULL;
+
+ switch (let_val->kind) {
+ case PSI_LET_CALLBACK:
+ cb = let_val->data.callback;
+
+ if (cb->decl && cb->decl->call.info) {
+ psi_ffi_call_free(cb->decl->call.info);
+ }
+ fn = cb->func;
+ /* no break */
+ case PSI_LET_FUNC:
+ if (!fn) {
+ fn = let_val->data.func;
+ }
+
+ if (fn->inner) {
+ size_t i;
+
+ for (i = 0; i < fn->inner->count; ++i) {
+ psi_ffi_destroy_callbacks(C, fn->inner->vals[i]);
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
-static void psi_ffi_dtor(PSI_Context *C)
+static void psi_ffi_dtor(struct psi_context *C)
{
if (C->decls) {
size_t i;
decl *decl = C->decls->list[i];
if (decl->call.info) {
- PSI_LibffiCallFree(decl->call.info);
+ psi_ffi_call_free(decl->call.info);
}
}
let_callback *cb = let->val->data.callback;
if (cb->decl && cb->decl->call.info) {
- PSI_LibffiCallFree(cb->decl->call.info);
+ psi_ffi_call_free(cb->decl->call.info);
}
}
}
}
}
- free(C->context);
+ psi_ffi_context_free((void *) &C->context);
+}
+
+static inline void psi_ffi_compile_callbacks(struct psi_context *C, let_val *let_val) {
+ struct psi_ffi_call *call;
+ let_callback *cb;
+ let_func *fn = NULL;
+
+ switch (let_val->kind) {
+ case PSI_LET_CALLBACK:
+ cb = let_val->data.callback;
+ if ((call = psi_ffi_call_alloc(C, cb->decl))) {
+ if (FFI_OK != psi_ffi_call_init_callback_closure(C, call, cb)) {
+ psi_ffi_call_free(call);
+ break;
+ }
+
+ cb->decl->call.sym = call->code;
+ }
+ fn = cb->func;
+ /* no break */
+ case PSI_LET_FUNC:
+ if (!fn) {
+ fn = let_val->data.func;
+ }
+ if (fn->inner) {
+ size_t i;
+
+ for (i = 0; i < fn->inner->count; ++i) {
+ psi_ffi_compile_callbacks(C, fn->inner->vals[i]);
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
-static zend_function_entry *psi_ffi_compile(PSI_Context *C)
+static zend_function_entry *psi_ffi_compile(struct psi_context *C)
{
size_t c, i, j = 0;
zend_function_entry *zfe;
zfe = calloc(C->impls->count + 1, sizeof(*zfe));
for (i = 0; i < C->impls->count; ++i) {
zend_function_entry *zf = &zfe[j];
- PSI_LibffiCall *call;
+ struct psi_ffi_call *call;
impl *impl = C->impls->list[i];
if (!impl->decl) {
continue;
}
- call = PSI_LibffiCallAlloc(C, impl->decl);
- if (FFI_OK != PSI_LibffiCallInitClosure(C, call, impl)) {
- PSI_LibffiCallFree(call);
- continue;
+ if ((call = psi_ffi_call_alloc(C, impl->decl))) {
+ if (FFI_OK != psi_ffi_call_init_closure(C, call, impl)) {
+ psi_ffi_call_free(call);
+ continue;
+ }
}
zf->fname = impl->func->name + (impl->func->name[0] == '\\');
++j;
for (c = 0; c < impl->stmts->let.count; ++c) {
- let_stmt *let = impl->stmts->let.list[c];
-
- if (let->val->kind == PSI_LET_CALLBACK) {
- let_callback *cb = let->val->data.callback;
-
- call = PSI_LibffiCallAlloc(C, cb->decl);
- if (FFI_OK != PSI_LibffiCallInitCallbackClosure(C, call, cb)) {
- PSI_LibffiCallFree(call);
- continue;
- }
-
- cb->decl->call.sym = call->code;
- }
+ psi_ffi_compile_callbacks(C, impl->stmts->let.list[c]->val);
}
}
for (i = 0; i < C->decls->count; ++i) {
decl *decl = C->decls->list[i];
-// if (decl->impl) {
-// continue;
-// }
if (decl->call.info) {
continue;
}
- PSI_LibffiCallAlloc(C, decl);
+ psi_ffi_call_alloc(C, decl);
}
return zfe;
}
-static void psi_ffi_call(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va) {
- PSI_LibffiCall *call = decl_call->info;
+static void psi_ffi_call(struct psi_context *C, decl_callinfo *decl_call, impl_vararg *va) {
+ struct psi_ffi_call *call = decl_call->info;
if (va) {
ffi_status rc;
}
}
-static PSI_ContextOps ops = {
+static struct psi_context_ops ops = {
psi_ffi_init,
psi_ffi_dtor,
psi_ffi_compile,
psi_ffi_call,
};
-PSI_ContextOps *PSI_Libffi(void)
+struct psi_context_ops *psi_libffi_ops(void)
{
return &ops;
}
projects / m6w6 / ext-psi / blobdiff