ac01aca0fe
No code or functionality changes. Change-Id: I24317767570ae9ebbfea56f873d98709fb22d8b9 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354876 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
/*
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* Copyright 2021 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "src/sksl/SkSLContext.h"
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namespace SkSL {
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/**
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* Used as a sentinel expression during dataflow analysis, when an exact value for a variable can't
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* be determined at compile-time.
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*/
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class DefinedExpression final : public Expression {
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public:
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static constexpr Kind kExpressionKind = Kind::kDefined;
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DefinedExpression(const Type* type)
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: INHERITED(/*offset=*/-1, kExpressionKind, type) {}
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bool hasProperty(Property property) const override {
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return false;
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}
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String description() const override {
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return "<defined>";
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}
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std::unique_ptr<Expression> clone() const override {
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return std::make_unique<DefinedExpression>(&this->type());
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}
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using INHERITED = Expression;
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};
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Context::Context(ErrorReporter& errors)
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: fErrors(errors)
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, fDefined_Expression(std::make_unique<DefinedExpression>(fTypes.fInvalid.get())) {}
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} // namespace SkSL
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