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/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_CONSTRUCTOR_COMPOUND_CAST
#define SKSL_CONSTRUCTOR_COMPOUND_CAST
#include "include/sksl/SkSLPosition.h"
#include "src/sksl/ir/SkSLConstructor.h"
#include "src/sksl/ir/SkSLExpression.h"
#include <memory>
#include <utility>
namespace SkSL {
class Context;
class Type;
/**
* Represents the construction of a vector/matrix typecast, such as `half3(myInt3)` or
* `float4x4(myHalf4x4)`. Matrix resizes are done in ConstructorMatrixResize, not here.
*
* These always contain exactly 1 vector or matrix of matching size, and are never constant.
*/
class ConstructorCompoundCast final : public SingleArgumentConstructor {
public:
inline static constexpr Kind kExpressionKind = Kind::kConstructorCompoundCast;
ConstructorCompoundCast(Position pos, const Type& type, std::unique_ptr<Expression> arg)
: INHERITED(pos, kExpressionKind, &type, std::move(arg)) {}
static std::unique_ptr<Expression> Make(const Context& context,
Position pos,
const Type& type,
std::unique_ptr<Expression> arg);
bool isCompileTimeConstant() const override {
// If this were a compile-time constant, we would have made a ConstructorCompound instead.
return false;
}
std::unique_ptr<Expression> clone(Position pos) const override {
return std::make_unique<ConstructorCompoundCast>(pos, this->type(), argument()->clone());
}
private:
using INHERITED = SingleArgumentConstructor;
};
} // namespace SkSL
#endif