| /* |
| * 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_FUNCTIONREFERENCE |
| #define SKSL_FUNCTIONREFERENCE |
| |
| #include "src/sksl/SkSLContext.h" |
| #include "src/sksl/ir/SkSLExpression.h" |
| #include "src/sksl/ir/SkSLFunctionDeclaration.h" |
| |
| namespace SkSL { |
| |
| /** |
| * An identifier referring to a function name. This is an intermediate value: FunctionReferences are |
| * always eventually replaced by FunctionCalls in valid programs. |
| */ |
| class FunctionReference final : public Expression { |
| public: |
| inline static constexpr Kind kIRNodeKind = Kind::kFunctionReference; |
| |
| FunctionReference(const Context& context, Position pos, |
| const FunctionDeclaration* overloadChain) |
| : INHERITED(pos, kIRNodeKind, context.fTypes.fInvalid.get()) |
| , fOverloadChain(overloadChain) {} |
| |
| const FunctionDeclaration* overloadChain() const { |
| return fOverloadChain; |
| } |
| |
| std::unique_ptr<Expression> clone(Position pos) const override { |
| return std::unique_ptr<Expression>(new FunctionReference(pos, this->overloadChain(), |
| &this->type())); |
| } |
| |
| std::string description(OperatorPrecedence) const override { |
| return "<function>"; |
| } |
| |
| private: |
| FunctionReference(Position pos, const FunctionDeclaration* overloadChain, const Type* type) |
| : INHERITED(pos, kIRNodeKind, type) |
| , fOverloadChain(overloadChain) {} |
| |
| const FunctionDeclaration* fOverloadChain; |
| |
| using INHERITED = Expression; |
| }; |
| |
| } // namespace SkSL |
| |
| #endif |