+zend_internal_arg_info *psi_internal_arginfo(impl *impl)
+{
+ size_t i;
+ zend_internal_arg_info *aip;
+ zend_internal_function_info *fi;
+
+ aip = calloc(impl->func->args->count + 1, sizeof(*aip));
+
+ fi = (zend_internal_function_info *) &aip[0];
+ fi->required_num_args = psi_num_min_args(impl);
+ fi->return_reference = impl->func->return_reference;
+ fi->type_hint = psi_internal_type(impl->func->return_type);
+
+ for (i = 0; i < impl->func->args->count; ++i) {
+ impl_arg *iarg = impl->func->args->args[i];
+ zend_internal_arg_info *ai = &aip[i+1];
+
+ ai->name = iarg->var->name;
+ ai->type_hint = psi_internal_type(iarg->type);
+ if (iarg->var->reference) {
+ ai->pass_by_reference = 1;
+ }
+ if (iarg->var->reference || (iarg->def && iarg->def->type == PSI_T_NULL)) {
+ ai->allow_null = 1;
+ }
+ }
+
+ return aip;
+}
+
+size_t psi_num_min_args(impl *impl)
+{
+ size_t i, n = impl->func->args->count;
+
+ for (i = 0; i < impl->func->args->count; ++i) {
+ if (impl->func->args->args[i]->def) {
+ --n;
+ }
+ }
+ return n;
+}
+
+void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ case PSI_T_FLOAT:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
+ convert_to_long(return_value);
+ break;
+ case PSI_T_DOUBLE:
+ RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+ convert_to_long(return_value);
+ break;
+ default:
+ RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+ }
+}
+
+void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ case PSI_T_FLOAT:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
+ break;
+ case PSI_T_DOUBLE:
+ RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+ break;
+ default:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->lval);
+ break;
+ }
+}
+
+void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ case PSI_T_INT8:
+ case PSI_T_UINT8:
+ if (!var->arg->var->pointer_level) {
+ RETVAL_STRINGL(&ret_val->cval, 1);
+ } else {
+ ret_val = deref_impl_val(ret_val, var);
+ if (ret_val && ret_val->ptr) {
+ RETVAL_STRING(ret_val->ptr);
+ } else {
+ RETVAL_EMPTY_STRING();
+ }
+ }
+ break;
+ case PSI_T_FLOAT:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
+ convert_to_string(return_value);
+ break;
+ case PSI_T_DOUBLE:
+ RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+ convert_to_string(return_value);
+ break;
+ default:
+ RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+ convert_to_string(return_value);
+ break;
+ }
+}
+
+size_t psi_t_alignment(token_t t)
+{
+ size_t align;
+#define PSI_TAS_D(T) struct PSI_TAS_ ##T { \
+ char c; \
+ T x; \
+}
+#define PSI_TAS_P(T) struct PSI_TAS_ ## T ## _pointer { \
+ char c; \
+ T *x; \
+}
+#define PSI_TAS_C(T) align = offsetof(struct PSI_TAS_ ##T, x)
+#define PSI_TAS_CASE(T) { \
+ PSI_TAS_D(T); \
+ PSI_TAS_C(T); \
+}
+ switch (t) {
+ case PSI_T_INT8:
+ PSI_TAS_CASE(int8_t);
+ break;
+ case PSI_T_UINT8:
+ PSI_TAS_CASE(uint8_t);
+ break;
+ case PSI_T_INT16:
+ PSI_TAS_CASE(int16_t);
+ break;
+ case PSI_T_UINT16:
+ PSI_TAS_CASE(uint16_t);
+ break;
+ case PSI_T_INT32:
+ PSI_TAS_CASE(int32_t);
+ break;
+ case PSI_T_UINT32:
+ PSI_TAS_CASE(uint32_t);
+ break;
+ case PSI_T_INT64:
+ PSI_TAS_CASE(int64_t);
+ break;
+ case PSI_T_UINT64:
+ PSI_TAS_CASE(uint64_t);
+ break;
+ case PSI_T_FLOAT:
+ PSI_TAS_CASE(float);
+ break;
+ case PSI_T_DOUBLE:
+ PSI_TAS_CASE(double);
+ break;
+ case PSI_T_POINTER:
+ {
+ PSI_TAS_P(char);
+ PSI_TAS_C(char_pointer);
+ }
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }