summaryrefslogtreecommitdiffstats
path: root/gfx/skia/skia/src/sksl/ir/SkSLNop.h
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/skia/skia/src/sksl/ir/SkSLNop.h')
-rw-r--r--gfx/skia/skia/src/sksl/ir/SkSLNop.h48
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