xref: /aosp_15_r20/external/skia/src/sksl/ir/SkSLPoison.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2021 Google LLC.
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 #ifndef SkSLPoison_DEFINED
8 #define SkSLPoison_DEFINED
9 
10 #include "src/sksl/SkSLBuiltinTypes.h"
11 #include "src/sksl/SkSLCompiler.h"
12 #include "src/sksl/SkSLContext.h"
13 #include "src/sksl/ir/SkSLExpression.h"
14 
15 namespace SkSL {
16 
17 class Poison : public Expression {
18 public:
19     inline static constexpr Kind kIRNodeKind = Kind::kPoison;
20 
Make(Position pos,const Context & context)21     static std::unique_ptr<Expression> Make(Position pos, const Context& context) {
22         return std::make_unique<Poison>(pos, context.fTypes.fPoison.get());
23     }
24 
Poison(Position pos,const Type * type)25     Poison(Position pos, const Type* type)
26         : INHERITED(pos, kIRNodeKind, type) {}
27 
clone(Position pos)28     std::unique_ptr<Expression> clone(Position pos) const override {
29         return std::make_unique<Poison>(pos, &this->type());
30     }
31 
description(OperatorPrecedence)32     std::string description(OperatorPrecedence) const override {
33         return Compiler::POISON_TAG;
34     }
35 
36 private:
37     using INHERITED = Expression;
38 };
39 
40 } // namespace SkSL
41 
42 #endif  // SkSLPoison_DEFINED
43