initial checkin of SkSL compiler

src/sksl/ir/SkSLVarDeclarationStatement.h

+/*
+ * 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_VARDECLARATIONSTATEMENT
+#define SKSL_VARDECLARATIONSTATEMENT
+
+#include "SkSLStatement.h"
+#include "SkSLVarDeclaration.h"
+
+namespace SkSL {
+
+/**
+ * A variable declaration appearing as a statement within a function.
+ */
+struct VarDeclarationStatement : public Statement {
+    VarDeclarationStatement(std::unique_ptr<VarDeclaration> decl)
+    : INHERITED(decl->fPosition, kVarDeclaration_Kind) 
+    , fDeclaration(std::move(decl)) {}
+
+    std::string description() const override {
+        return fDeclaration->description();
+    }
+
+    const std::shared_ptr<VarDeclaration> fDeclaration;
+
+    typedef Statement INHERITED;
+};
+
+} // namespace
+
+#endif