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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_AST_BITCAST_EXPRESSION_H_
#define SRC_AST_BITCAST_EXPRESSION_H_
#include "src/ast/expression.h"
namespace tint {
namespace ast {
// Forward declaration
class Type;
/// A bitcast expression
class BitcastExpression : public Castable<BitcastExpression, Expression> {
public:
/// Constructor
/// @param program_id the identifier of the program that owns this node
/// @param source the bitcast expression source
/// @param type the type
/// @param expr the expr
BitcastExpression(ProgramID program_id,
const Source& source,
ast::Type* type,
Expression* expr);
/// Move constructor
BitcastExpression(BitcastExpression&&);
~BitcastExpression() override;
/// @returns the left side expression
ast::Type* type() const { return type_; }
/// @returns the expression
Expression* expr() const { return expr_; }
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
BitcastExpression* Clone(CloneContext* ctx) const override;
/// Writes a representation of the node to the output stream
/// @param sem the semantic info for the program
/// @param out the stream to write to
/// @param indent number of spaces to indent the node when writing
void to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const override;
private:
BitcastExpression(const BitcastExpression&) = delete;
ast::Type* const type_;
Expression* const expr_;
};
} // namespace ast
} // namespace tint
#endif // SRC_AST_BITCAST_EXPRESSION_H_