1 files changed, 27 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/SymbolUniqueId.cpp b/gfx/angle/checkout/src/compiler/translator/SymbolUniqueId.cpp
new file mode 100644
index 0000000000..2bdf08fa5f
--- /dev/null
+++ b/gfx/angle/checkout/src/compiler/translator/SymbolUniqueId.cpp
@@ -0,0 +1,27 @@
+//
+// Copyright 2017 The ANGLE 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.
+//
+// SymbolUniqueId.cpp: Encapsulates a unique id for a symbol.
+
+#include "compiler/translator/SymbolUniqueId.h"
+
+#include "compiler/translator/SymbolTable.h"
+
+namespace sh
+{
+
+TSymbolUniqueId::TSymbolUniqueId(TSymbolTable *symbolTable) : mId(symbolTable->nextUniqueIdValue())
+{}
+
+TSymbolUniqueId::TSymbolUniqueId(const TSymbol &symbol) : mId(symbol.uniqueId().get()) {}
+
+TSymbolUniqueId &TSymbolUniqueId::operator=(const TSymbolUniqueId &) = default;
+
+bool TSymbolUniqueId::operator==(const TSymbolUniqueId &other) const
+{
+    return mId == other.mId;
+}
+
+}  // namespace sh