diff options
Diffstat (limited to 'gfx/skia/skia/src/sksl/ir/SkSLNop.h')
-rw-r--r-- | gfx/skia/skia/src/sksl/ir/SkSLNop.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLNop.h b/gfx/skia/skia/src/sksl/ir/SkSLNop.h new file mode 100644 index 0000000000..f2810ef15f --- /dev/null +++ b/gfx/skia/skia/src/sksl/ir/SkSLNop.h @@ -0,0 +1,48 @@ +/* + * 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_NOP +#define SKSL_NOP + +#include "include/private/SkSLStatement.h" +#include "src/sksl/ir/SkSLSymbolTable.h" + +namespace SkSL { + +/** + * A no-op statement that does nothing. + */ +class Nop final : public Statement { +public: + inline static constexpr Kind kIRNodeKind = Kind::kNop; + + Nop() + : INHERITED(Position(), kIRNodeKind) {} + + static std::unique_ptr<Statement> Make() { + return std::make_unique<Nop>(); + } + + bool isEmpty() const override { + return true; + } + + std::string description() const override { + return ";"; + } + + std::unique_ptr<Statement> clone() const override { + return std::make_unique<Nop>(); + } + +private: + using INHERITED = Statement; +}; + +} // namespace SkSL + +#endif |