1 files changed, 76 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLPostfixExpression.h b/gfx/skia/skia/src/sksl/ir/SkSLPostfixExpression.h
new file mode 100644
index 0000000000..a8d457a527
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+++ b/gfx/skia/skia/src/sksl/ir/SkSLPostfixExpression.h
@@ -0,0 +1,76 @@
+/*
+ * 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_POSTFIXEXPRESSION
+#define SKSL_POSTFIXEXPRESSION
+
+#include "include/private/SkSLIRNode.h"
+#include "include/sksl/SkSLOperator.h"
+#include "include/sksl/SkSLPosition.h"
+#include "src/sksl/ir/SkSLExpression.h"
+
+#include <memory>
+#include <string>
+#include <utility>
+
+namespace SkSL {
+
+class Context;
+
+/**
+ * An expression modified by a unary operator appearing after it, such as 'i++'.
+ */
+class PostfixExpression final : public Expression {
+public:
+    inline static constexpr Kind kIRNodeKind = Kind::kPostfix;
+
+    PostfixExpression(Position pos, std::unique_ptr<Expression> operand, Operator op)
+        : INHERITED(pos, kIRNodeKind, &operand->type())
+        , fOperand(std::move(operand))
+        , fOperator(op) {}
+
+    // Creates an SkSL postfix expression; uses the ErrorReporter to report errors.
+    static std::unique_ptr<Expression> Convert(const Context& context,
+                                               Position pos,
+                                               std::unique_ptr<Expression> base,
+                                               Operator op);
+
+    // Creates an SkSL postfix expression; reports errors via ASSERT.
+    static std::unique_ptr<Expression> Make(const Context& context,
+                                            Position pos,
+                                            std::unique_ptr<Expression> base,
+                                            Operator op);
+
+    Operator getOperator() const {
+        return fOperator;
+    }
+
+    std::unique_ptr<Expression>& operand() {
+        return fOperand;
+    }
+
+    const std::unique_ptr<Expression>& operand() const {
+        return fOperand;
+    }
+
+    std::unique_ptr<Expression> clone(Position pos) const override {
+        return std::make_unique<PostfixExpression>(pos, this->operand()->clone(),
+                                                   this->getOperator());
+    }
+
+    std::string description(OperatorPrecedence parentPrecedence) const override;
+
+private:
+    std::unique_ptr<Expression> fOperand;
+    Operator fOperator;
+
+    using INHERITED = Expression;
+};
+
+}  // namespace SkSL
+
+#endif