static MonoObject*
cominterop_get_ccw_object (MonoCCWInterface* ccw_entry, gboolean verify);
+/* SAFEARRAY marshalling */
+static gboolean
+mono_marshal_safearray_begin (gpointer safearray, MonoArray **result, gpointer *indices, gpointer empty);
+
+static gpointer
+mono_marshal_safearray_get_value (gpointer safearray, gpointer indices);
+
+static gboolean
+mono_marshal_safearray_next (gpointer safearray, gpointer indices);
+
+static void
+mono_marshal_safearray_end (gpointer safearray, gpointer indices);
+
/**
* cominterop_method_signature:
* @method: a method
register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
register_icall (cominterop_type_from_handle, "cominterop_type_from_handle", "object ptr", FALSE);
+
+ /* SAFEARRAY marshalling */
+ register_icall (mono_marshal_safearray_begin, "mono_marshal_safearray_begin", "int32 ptr ptr ptr ptr", FALSE);
+ register_icall (mono_marshal_safearray_get_value, "mono_marshal_safearray_get_value", "ptr ptr ptr", FALSE);
+ register_icall (mono_marshal_safearray_next, "mono_marshal_safearray_next", "int32 ptr ptr", FALSE);
+ register_icall (mono_marshal_safearray_end, "mono_marshal_safearray_end", "void ptr ptr", FALSE);
}
void
return MONO_E_NOTIMPL;
}
-typedef gpointer (*SysAllocStringLenFunc)(gunichar* str, guint32 len);
-typedef guint32 (*SysStringLenFunc)(gpointer bstr);
-typedef void (*SysFreeStringFunc)(gunichar* str);
+typedef gpointer (STDCALL *SysAllocStringLenFunc)(gunichar* str, guint32 len);
+typedef guint32 (STDCALL *SysStringLenFunc)(gpointer bstr);
+typedef void (STDCALL *SysFreeStringFunc)(gunichar* str);
static SysAllocStringLenFunc sys_alloc_string_len_ms = NULL;
static SysStringLenFunc sys_string_len_ms = NULL;
static SysFreeStringFunc sys_free_string_ms = NULL;
+typedef guint32 (STDCALL *SafeArrayGetDimFunc)(gpointer psa);
+typedef int (STDCALL *SafeArrayGetLBoundFunc)(gpointer psa, guint32 nDim, glong* plLbound);
+typedef int (STDCALL *SafeArrayGetUBoundFunc)(gpointer psa, guint32 nDim, glong* plUbound);
+typedef int (STDCALL *SafeArrayPtrOfIndexFunc)(gpointer psa, glong* rgIndices, gpointer* ppvData);
+typedef int (STDCALL *SafeArrayDestroyFunc)(gpointer psa);
+
+static SafeArrayGetDimFunc safe_array_get_dim_ms = NULL;
+static SafeArrayGetLBoundFunc safe_array_get_lbound_ms = NULL;
+static SafeArrayGetUBoundFunc safe_array_get_ubound_ms = NULL;
+static SafeArrayPtrOfIndexFunc safe_array_ptr_of_index_ms = NULL;
+static SafeArrayDestroyFunc safe_array_destroy_ms = NULL;
+
static gboolean
init_com_provider_ms (void)
{
return FALSE;
}
+ error_msg = mono_dl_symbol (module, "SafeArrayGetDim", (gpointer*)&safe_array_get_dim_ms);
+ if (error_msg) {
+ g_warning ("Error loading entry point '%s' in COM support library '%s': %s", "SafeArrayGetDim", scope, error_msg);
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ error_msg = mono_dl_symbol (module, "SafeArrayGetLBound", (gpointer*)&safe_array_get_lbound_ms);
+ if (error_msg) {
+ g_warning ("Error loading entry point '%s' in COM support library '%s': %s", "SafeArrayGetLBound", scope, error_msg);
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ error_msg = mono_dl_symbol (module, "SafeArrayGetUBound", (gpointer*)&safe_array_get_ubound_ms);
+ if (error_msg) {
+ g_warning ("Error loading entry point '%s' in COM support library '%s': %s", "SafeArrayGetUBound", scope, error_msg);
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ error_msg = mono_dl_symbol (module, "SafeArrayPtrOfIndex", (gpointer*)&safe_array_ptr_of_index_ms);
+ if (error_msg) {
+ g_warning ("Error loading entry point '%s' in COM support library '%s': %s", "SafeArrayPtrOfIndex", scope, error_msg);
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ error_msg = mono_dl_symbol (module, "SafeArrayDestroy", (gpointer*)&safe_array_destroy_ms);
+ if (error_msg) {
+ g_warning ("Error loading entry point '%s' in COM support library '%s': %s", "SafeArrayDestroy", scope, error_msg);
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
initialized = TRUE;
return TRUE;
}
#endif
}
+
+/* SAFEARRAY marshalling */
+int
+mono_cominterop_emit_marshal_safearray (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+
+ mono_init_com_types ();
+
+ switch (action) {
+
+ case MARSHAL_ACTION_CONV_OUT: {
+
+ if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
+
+ /* Generates IL code for the following algorithm:
+
+ Array result; // result_var
+ IntPtr indices; // indices_var
+ int empty; // empty_var
+ if (mono_marshal_safearray_begin(safearray, out result, out indices, out empty)) {
+ if (!empty) {
+ int index=0; // index_var
+ do { // label3
+ object elem = Variant.GetObjectForNativeVariant(mono_marshal_safearray_get_value(safearray, indices));
+ result.SetValueImpl(elem, index);
+ ++index;
+ }
+ while (mono_marshal_safearray_next(safearray, indices));
+ } // label2
+ mono_marshal_safearray_end(safearray, indices);
+ } // label1
+ */
+
+ int result_var, indices_var, empty_var, elem_var, index_var;
+ guint32 label1 = 0, label2 = 0, label3 = 0;
+ static MonoMethod *get_object_for_native_variant = NULL;
+ static MonoMethod *set_value_impl = NULL;
+
+ result_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ indices_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ empty_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_ldloc_addr (mb, result_var);
+ mono_mb_emit_ldloc_addr (mb, indices_var);
+ mono_mb_emit_ldloc_addr (mb, empty_var);
+ mono_mb_emit_icall (mb, mono_marshal_safearray_begin);
+
+ label1 = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
+
+ mono_mb_emit_ldloc (mb, empty_var);
+
+ label2 = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
+
+ index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_stloc (mb, index_var);
+
+ label3 = mono_mb_get_label (mb);
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_ldloc (mb, indices_var);
+ mono_mb_emit_icall (mb, mono_marshal_safearray_get_value);
+
+ if (!get_object_for_native_variant)
+ get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
+ g_assert (get_object_for_native_variant);
+
+ if (!set_value_impl)
+ set_value_impl = mono_class_get_method_from_name (mono_defaults.array_class, "SetValueImpl", 2);
+ g_assert (set_value_impl);
+
+ elem_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
+ mono_mb_emit_stloc (mb, elem_var);
+
+ mono_mb_emit_ldloc (mb, result_var);
+ mono_mb_emit_ldloc (mb, elem_var);
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_managed_call (mb, set_value_impl, NULL);
+
+ mono_mb_emit_add_to_local (mb, index_var, 1);
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_ldloc (mb, indices_var);
+ mono_mb_emit_icall (mb, mono_marshal_safearray_next);
+ mono_mb_emit_branch_label (mb, CEE_BRTRUE, label3);
+
+ mono_mb_patch_short_branch (mb, label2);
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_ldloc (mb, indices_var);
+ mono_mb_emit_icall (mb, mono_marshal_safearray_end);
+
+ mono_mb_patch_short_branch (mb, label1);
+
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_ldloc (mb, result_var);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ }
+ break;
+ }
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ return conv_arg;
+}
+
+static
+guint32 mono_marshal_safearray_get_dim (gpointer safearray)
+{
+ guint32 result=0;
+#ifdef PLATFORM_WIN32
+ result = SafeArrayGetDim (safearray);
+#else
+ if (com_provider == MONO_COM_MS && init_com_provider_ms ()) {
+ result = safe_array_get_dim_ms (safearray);
+ } else {
+ g_assert_not_reached ();
+ }
+#endif
+ return result;
+}
+
+static
+int mono_marshal_safe_array_get_lbound (gpointer psa, guint nDim, glong* plLbound)
+{
+ int result=MONO_S_OK;
+#ifdef PLATFORM_WIN32
+ result = SafeArrayGetLBound (psa, nDim, plLbound);
+#else
+ if (com_provider == MONO_COM_MS && init_com_provider_ms ()) {
+ result = safe_array_get_lbound_ms (psa, nDim, plLbound);
+ } else {
+ g_assert_not_reached ();
+ }
+#endif
+ return result;
+}
+
+static
+int mono_marshal_safe_array_get_ubound (gpointer psa, guint nDim, glong* plUbound)
+{
+ int result=MONO_S_OK;
+#ifdef PLATFORM_WIN32
+ result = SafeArrayGetUBound (psa, nDim, plUbound);
+#else
+ if (com_provider == MONO_COM_MS && init_com_provider_ms ()) {
+ result = safe_array_get_ubound_ms (psa, nDim, plUbound);
+ } else {
+ g_assert_not_reached ();
+ }
+#endif
+ return result;
+}
+
+static gboolean
+mono_marshal_safearray_begin (gpointer safearray, MonoArray **result, gpointer *indices, gpointer empty)
+{
+ int dim;
+ mono_array_size_t *sizes;
+ mono_array_size_t *bounds;
+ MonoClass *aklass;
+ int i;
+ gboolean bounded = FALSE;
+
+#ifndef PLATFORM_WIN32
+ // If not on windows, check that the MS provider is used as it is
+ // required for SAFEARRAY support.
+ // If SAFEARRAYs are not supported, returning FALSE from this
+ // function will prevent the other mono_marshal_safearray_xxx functions
+ // from being called.
+ if ((com_provider != MONO_COM_MS) || !init_com_provider_ms ()) {
+ return FALSE;
+ }
+#endif
+
+ dim = mono_marshal_safearray_get_dim (safearray);
+
+ *indices = g_malloc (dim * sizeof(int));
+
+ sizes = alloca (dim * sizeof(mono_array_size_t));
+ bounds = alloca (dim * sizeof(mono_array_size_t));
+
+ (*(int*)empty) = TRUE;
+ for (i=0; i<dim; ++i) {
+ glong lbound, ubound;
+ int cursize;
+ int hr;
+
+ hr = mono_marshal_safe_array_get_lbound (safearray, i+1, &lbound);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+ if (lbound != 0)
+ bounded = TRUE;
+ hr = mono_marshal_safe_array_get_ubound (safearray, i+1, &ubound);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+ cursize = ubound-lbound+1;
+ sizes [i] = cursize;
+ bounds [i] = lbound;
+
+ ((int*)*indices) [i] = lbound;
+
+ if (cursize != 0)
+ (*(int*)empty) = FALSE;
+ }
+
+ aklass = mono_bounded_array_class_get (mono_defaults.object_class, dim, bounded);
+ *result = mono_array_new_full (mono_domain_get (), aklass, sizes, bounds);
+
+ return TRUE;
+}
+
+static
+gpointer mono_marshal_safearray_get_value (gpointer safearray, gpointer indices)
+{
+ gpointer result;
+#ifdef PLATFORM_WIN32
+ int hr = SafeArrayPtrOfIndex (safearray, indices, &result);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+#else
+ if (com_provider == MONO_COM_MS && init_com_provider_ms ()) {
+ int hr = safe_array_ptr_of_index_ms (safearray, indices, &result);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+ } else {
+ g_assert_not_reached ();
+ }
+#endif
+ return result;
+}
+
+static
+gboolean mono_marshal_safearray_next (gpointer safearray, gpointer indices)
+{
+ int i;
+ int dim = mono_marshal_safearray_get_dim (safearray);
+ gboolean ret= TRUE;
+ int *pIndices = (int*) indices;
+ int hr;
+
+ for (i=dim-1; i>=0; --i)
+ {
+ glong lbound, ubound;
+
+ hr = mono_marshal_safe_array_get_ubound (safearray, i+1, &ubound);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+
+ if (++pIndices[i] <= ubound) {
+ break;
+ }
+
+ hr = mono_marshal_safe_array_get_lbound (safearray, i+1, &lbound);
+ if (hr < 0) {
+ cominterop_raise_hr_exception (hr);
+ }
+
+ pIndices[i] = lbound;
+
+ if (i == 0)
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static
+void mono_marshal_safearray_end (gpointer safearray, gpointer indices)
+{
+ g_free(indices);
+#ifdef PLATFORM_WIN32
+ SafeArrayDestroy (safearray);
+#else
+ if (com_provider == MONO_COM_MS && init_com_provider_ms ()) {
+ safe_array_destroy_ms (safearray);
+ } else {
+ g_assert_not_reached ();
+ }
+#endif
+}
+
#else /* DISABLE_COM */
void
return 0;
}
+#ifdef WIN32
+
+LIBTEST_API int STDCALL
+mono_test_marshal_variant_out_safearray_1dim_vt_bstr_empty (SAFEARRAY** safearray)
+{
+ /* Create an empty one-dimensional array of variants */
+ SAFEARRAY *pSA;
+ SAFEARRAYBOUND dimensions [1];
+
+ dimensions [0].lLbound = 0;
+ dimensions [0].cElements = 0;
+
+ pSA= SafeArrayCreate (VT_VARIANT, 1, dimensions);
+ *safearray = pSA;
+ return S_OK;
+}
+
+LIBTEST_API int STDCALL
+mono_test_marshal_variant_out_safearray_1dim_vt_bstr (SAFEARRAY** safearray)
+{
+ /* Create a one-dimensional array of 10 variants filled with "0" to "9" */
+ SAFEARRAY *pSA;
+ SAFEARRAYBOUND dimensions [1];
+ long i;
+ wchar_t buffer [20];
+ HRESULT hr = S_OK;
+ long indices [1];
+
+ dimensions [0].lLbound = 0;
+ dimensions [0].cElements = 10;
+
+ pSA= SafeArrayCreate (VT_VARIANT, 1, dimensions);
+ for (i= dimensions [0].lLbound; i< (dimensions [0].cElements + dimensions [0].lLbound); i++) {
+ VARIANT vOut;
+ VariantInit (&vOut);
+ vOut.vt = VT_BSTR;
+ _ltow (i,buffer,10);
+ vOut.bstrVal= SysAllocString (buffer);
+ indices [0] = i;
+ if ((hr = SafeArrayPutElement (pSA, indices, &vOut)) != S_OK) {
+ VariantClear (&vOut);
+ SafeArrayDestroy (pSA);
+ return hr;
+ }
+ VariantClear (&vOut);
+ }
+ *safearray = pSA;
+ return hr;
+}
+
+LIBTEST_API int STDCALL
+mono_test_marshal_variant_out_safearray_2dim_vt_int (SAFEARRAY** safearray)
+{
+ /* Create a two-dimensional array of 4x3 variants filled with 11, 12, 13, etc. */
+ SAFEARRAY *pSA;
+ SAFEARRAYBOUND dimensions [2];
+ long i, j;
+ HRESULT hr = S_OK;
+ long indices [2];
+
+ dimensions [0].lLbound = 0;
+ dimensions [0].cElements = 4;
+ dimensions [1].lLbound = 0;
+ dimensions [1].cElements = 3;
+
+ pSA= SafeArrayCreate(VT_VARIANT, 2, dimensions);
+ for (i= dimensions [0].lLbound; i< (dimensions [0].cElements + dimensions [0].lLbound); i++) {
+ for (j= dimensions [1].lLbound; j< (dimensions [1].cElements + dimensions [1].lLbound); j++) {
+ VARIANT vOut;
+ VariantInit (&vOut);
+ vOut.vt = VT_I4;
+ vOut.intVal = (i+1)*10+(j+1);
+ indices [0] = i;
+ indices [1] = j;
+ if ((hr = SafeArrayPutElement (pSA, indices, &vOut)) != S_OK) {
+ VariantClear (&vOut);
+ SafeArrayDestroy (pSA);
+ return hr;
+ }
+ VariantClear (&vOut); // does a deep destroy of source VARIANT
+ }
+ }
+ *safearray = pSA;
+ return hr;
+}
+
+LIBTEST_API int STDCALL
+mono_test_marshal_variant_out_safearray_4dim_vt_int (SAFEARRAY** safearray)
+{
+ /* Create a four-dimensional array of 10x3x6x7 variants filled with their indices */
+ /* Also use non zero lower bounds */
+ SAFEARRAY *pSA;
+ SAFEARRAYBOUND dimensions [4];
+ long i;
+ HRESULT hr = S_OK;
+ VARIANT *pData;
+
+ dimensions [0].lLbound = 15;
+ dimensions [0].cElements = 10;
+ dimensions [1].lLbound = 20;
+ dimensions [1].cElements = 3;
+ dimensions [2].lLbound = 5;
+ dimensions [2].cElements = 6;
+ dimensions [3].lLbound = 12;
+ dimensions [3].cElements = 7;
+
+ pSA= SafeArrayCreate (VT_VARIANT, 4, dimensions);
+
+ SafeArrayAccessData (pSA, (void **)&pData);
+
+ for (i= 0; i< 10*3*6*7; i++) {
+ VariantInit(&pData [i]);
+ pData [i].vt = VT_I4;
+ pData [i].intVal = i;
+ }
+ SafeArrayUnaccessData(pSA);
+ *safearray = pSA;
+ return hr;
+}
+
+#endif
+
projects / mono.git / commitdiff