chore: import upstream snapshot with attribution

paddle/ap/include/drr/source_pattern_ctx.h

@@ -0,0 +1,51 @@
+// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// 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.
+
+#pragma once
+#include "paddle/ap/include/adt/adt.h"
+#include "paddle/ap/include/axpr/value.h"
+#include "paddle/ap/include/drr/op_pattern_ctx.h"
+#include "paddle/ap/include/drr/tags.h"
+#include "paddle/ap/include/drr/tensor_pattern_ctx.h"
+#include "paddle/ap/include/drr/type.h"
+#include "paddle/ap/include/graph/node_arena.h"
+
+namespace ap::drr {
+
+struct SourcePatternCtxImpl {
+  std::shared_ptr<graph::NodeArena<drr::Node>> node_arena;
+  OpPatternCtx op_pattern_ctx;
+  TensorPatternCtx tensor_pattern_ctx;
+
+  bool operator==(const SourcePatternCtxImpl& other) const {
+    return this == &other;
+  }
+};
+
+ADT_DEFINE_RC(SourcePatternCtx, SourcePatternCtxImpl);
+
+axpr::TypeImpl<axpr::BuiltinClassInstance<axpr::Value>>
+GetSourcePatternCtxClass();
+
+template <>
+struct Type<drr::SourcePatternCtx> : public std::monostate {
+  using std::monostate::monostate;
+  const char* Name() const { return "SourcePatternCtx"; }
+
+  static axpr::TypeImpl<axpr::BuiltinClassInstance<axpr::Value>> GetClass() {
+    return GetSourcePatternCtxClass();
+  }
+};
+
+}  // namespace ap::drr