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ethannicholasb3058bd2016-07-01 08:22:01 -07001/*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SKSL_VARIABLEREFERENCE
9#define SKSL_VARIABLEREFERENCE
10
11#include "SkSLExpression.h"
12
13namespace SkSL {
14
15/**
16 * A reference to a variable, through which it can be read or written. In the statement:
17 *
18 * x = x + 1;
19 *
20 * there is only one Variable 'x', but two VariableReferences to it.
21 */
22struct VariableReference : public Expression {
ethannicholasd598f792016-07-25 10:08:54 -070023 VariableReference(Position position, const Variable& variable)
24 : INHERITED(position, kVariableReference_Kind, variable.fType)
25 , fVariable(variable) {}
ethannicholasb3058bd2016-07-01 08:22:01 -070026
27 std::string description() const override {
ethannicholasd598f792016-07-25 10:08:54 -070028 return fVariable.fName;
ethannicholasb3058bd2016-07-01 08:22:01 -070029 }
30
ethannicholasd598f792016-07-25 10:08:54 -070031 const Variable& fVariable;
ethannicholasb3058bd2016-07-01 08:22:01 -070032
33 typedef Expression INHERITED;
34};
35
36} // namespace
37
38#endif