73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
// 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_VARIABLE_STATEMENT_H_
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#define SRC_AST_VARIABLE_STATEMENT_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/statement.h"
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#include "src/ast/variable.h"
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namespace tint {
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namespace ast {
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/// A variable statement
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class VariableStatement : public Statement {
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public:
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/// Constructor
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VariableStatement();
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/// Constructor
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/// @param variable the variable
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explicit VariableStatement(std::unique_ptr<Variable> variable);
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/// Constructor
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/// @param source the initializer source
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/// @param variable the variable
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VariableStatement(const Source& source, std::unique_ptr<Variable> variable);
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/// Move constructor
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VariableStatement(VariableStatement&&) = default;
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~VariableStatement() override;
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/// Sets the variable
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/// @param variable the variable to set
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void set_variable(std::unique_ptr<Variable> variable) {
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variable_ = std::move(variable);
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}
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/// @returns the variable
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Variable* variable() const { return variable_.get(); }
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/// @returns true if this is an variable statement
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bool IsVariable() 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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VariableStatement(const VariableStatement&) = delete;
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std::unique_ptr<Variable> variable_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_VARIABLE_STATEMENT_H_
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