1 files changed, 46 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLExtension.h b/gfx/skia/skia/src/sksl/ir/SkSLExtension.h
new file mode 100644
index 0000000000..94c2dd933e
--- /dev/null
+++ b/gfx/skia/skia/src/sksl/ir/SkSLExtension.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKSL_EXTENSION
+#define SKSL_EXTENSION
+
+#include "include/private/SkSLProgramElement.h"
+
+namespace SkSL {
+
+/**
+ * An extension declaration.
+ */
+class Extension final : public ProgramElement {
+public:
+    inline static constexpr Kind kIRNodeKind = Kind::kExtension;
+
+    Extension(Position pos, std::string_view name)
+        : INHERITED(pos, kIRNodeKind)
+        , fName(name) {}
+
+    std::string_view name() const {
+        return fName;
+    }
+
+    std::unique_ptr<ProgramElement> clone() const override {
+        return std::unique_ptr<ProgramElement>(new Extension(fPosition, this->name()));
+    }
+
+    std::string description() const override {
+        return "#extension " + std::string(this->name()) + " : enable";
+    }
+
+private:
+    std::string_view fName;
+
+    using INHERITED = ProgramElement;
+};
+
+}  // namespace SkSL
+
+#endif