80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
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// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_AST_UNARY_OP_EXPRESSION_H_
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#define SRC_AST_UNARY_OP_EXPRESSION_H_
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#include <memory>
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#include <utility>
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#include "src/ast/expression.h"
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#include "src/ast/literal.h"
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#include "src/ast/unary_op.h"
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namespace tint {
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namespace ast {
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/// A unary op expression
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class UnaryOpExpression : public Expression {
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public:
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/// Constructor
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/// @param op the op
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/// @param expr the expr
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UnaryOpExpression(UnaryOp op, std::unique_ptr<Expression> expr);
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/// Constructor
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/// @param source the initializer source
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/// @param op the op
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/// @param expr the expr
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UnaryOpExpression(const Source& source,
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UnaryOp op,
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std::unique_ptr<Expression> expr);
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/// Move constructor
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UnaryOpExpression(UnaryOpExpression&&) = default;
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~UnaryOpExpression() override;
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/// Sets the op
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/// @param op the op
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void set_op(UnaryOp op) { op_ = op; }
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/// @returns the op
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UnaryOp op() const { return op_; }
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/// Sets the expr
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/// @param expr the expression
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void set_expr(std::unique_ptr<Expression> expr) { expr_ = std::move(expr); }
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/// @returns the expression
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Expression* expr() const { return expr_.get(); }
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/// @returns true if this is an as expression
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bool IsUnaryOp() const override { return true; }
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/// @returns true if the node is valid
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bool IsValid() const override;
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/// Writes a representation of the node to the output stream
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/// @param out the stream to write to
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/// @param indent number of spaces to indent the node when writing
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void to_str(std::ostream& out, size_t indent) const override;
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private:
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UnaryOpExpression(const UnaryOpExpression&) = delete;
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UnaryOp op_ = UnaryOp::kNegation;
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std::unique_ptr<Expression> expr_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_UNARY_OP_EXPRESSION_H_
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