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Diffstat (limited to 'gfx/skia/skia/src/sksl/ir/SkSLFunctionReference.h')
-rw-r--r-- | gfx/skia/skia/src/sksl/ir/SkSLFunctionReference.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLFunctionReference.h b/gfx/skia/skia/src/sksl/ir/SkSLFunctionReference.h new file mode 100644 index 0000000000..4788dbb418 --- /dev/null +++ b/gfx/skia/skia/src/sksl/ir/SkSLFunctionReference.h @@ -0,0 +1,55 @@ +/* + * 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 |