chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
@@ -0,0 +1,48 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+include "array.fbs";
+include "utils.fbs";
+
+namespace graph;
+
+// Variable type for variables
+enum VarType:byte {
+    VARIABLE,
+    CONSTANT,
+    ARRAY,
+    PLACEHOLDER
+}
+
+table FlatVariable {
+    id:IntPair; // ID of the Variable, in format of IntPair.first is node Id, IntPair.second is output index of the node
+    name:string; // symbolic ID of the Variable (if defined)
+    dtype:DType;
+
+    shape:[long]; // shape is absolutely optional. either shape or ndarray might be set
+    ndarray:FlatArray;
+
+    device:int; // default is -1, which means _auto_
+	variabletype:VarType;
+	
+	controlDeps:[string];
+	controlDepForOp:[string];
+	controlDepsForVar:[string];
+}
+
+root_type FlatVariable;