1 files changed, 57 insertions, 0 deletions
diff --git a/deps/v8/src/interpreter/bytecode-node.cc b/deps/v8/src/interpreter/bytecode-node.cc
new file mode 100644
index 0000000000..2bcea0a16a
--- /dev/null
+++ b/deps/v8/src/interpreter/bytecode-node.cc
@@ -0,0 +1,57 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/interpreter/bytecode-node.h"
+
+#include <iomanip>
+#include "src/source-position-table.h"
+
+namespace v8 {
+namespace internal {
+namespace interpreter {
+
+void BytecodeNode::Print(std::ostream& os) const {
+#ifdef DEBUG
+  std::ios saved_state(nullptr);
+  saved_state.copyfmt(os);
+  os << Bytecodes::ToString(bytecode_);
+
+  for (int i = 0; i < operand_count(); ++i) {
+    os << ' ' << std::setw(8) << std::setfill('0') << std::hex << operands_[i];
+  }
+  os.copyfmt(saved_state);
+
+  if (source_info_.is_valid()) {
+    os << ' ' << source_info_;
+  }
+  os << '\n';
+#else
+  os << static_cast<const void*>(this);
+#endif  // DEBUG
+}
+
+bool BytecodeNode::operator==(const BytecodeNode& other) const {
+  if (this == &other) {
+    return true;
+  } else if (this->bytecode() != other.bytecode() ||
+             this->source_info() != other.source_info()) {
+    return false;
+  } else {
+    for (int i = 0; i < this->operand_count(); ++i) {
+      if (this->operand(i) != other.operand(i)) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+std::ostream& operator<<(std::ostream& os, const BytecodeNode& node) {
+  node.Print(os);
+  return os;
+}
+
+}  // namespace interpreter
+}  // namespace internal
+}  // namespace v8