Add operator<< for HGraph and HInstructions.
Include helpers for printing arguments as well.
Test: ./test.py --host
Change-Id: I692fd5bd32a8a39da0defd9454d56ccf2480f229
diff --git a/compiler/optimizing/block_namer.h b/compiler/optimizing/block_namer.h
new file mode 100644
index 0000000..ed396b9
--- /dev/null
+++ b/compiler/optimizing/block_namer.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
+#define ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
+
+#include <ostream>
+
+namespace art {
+class HBasicBlock;
+
+struct BlockNamer {
+ public:
+ struct NameWrapper {
+ HBasicBlock* blk_;
+ const BlockNamer& namer_;
+ };
+ virtual ~BlockNamer() {}
+ virtual std::ostream& PrintName(std::ostream& os, HBasicBlock* blk) const;
+ NameWrapper GetName(HBasicBlock* blk) const {
+ return NameWrapper{blk, *this};
+ }
+};
+
+inline std::ostream& operator<<(std::ostream& os, const BlockNamer::NameWrapper& blk) {
+ return blk.namer_.PrintName(os, blk.blk_);
+}
+
+} // namespace art
+
+#endif // ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_