2020-03-02 20:47:43 +00:00
|
|
|
// 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_VARIABLE_STATEMENT_H_
|
|
|
|
#define SRC_AST_VARIABLE_STATEMENT_H_
|
|
|
|
|
|
|
|
#include <memory>
|
|
|
|
#include <utility>
|
|
|
|
|
|
|
|
#include "src/ast/expression.h"
|
|
|
|
#include "src/ast/statement.h"
|
|
|
|
#include "src/ast/variable.h"
|
|
|
|
|
|
|
|
namespace tint {
|
|
|
|
namespace ast {
|
|
|
|
|
|
|
|
/// A variable statement
|
|
|
|
class VariableStatement : public Statement {
|
|
|
|
public:
|
2020-03-17 14:59:46 +00:00
|
|
|
/// Constructor
|
|
|
|
VariableStatement();
|
2020-03-02 20:47:43 +00:00
|
|
|
/// Constructor
|
|
|
|
/// @param variable the variable
|
|
|
|
explicit VariableStatement(std::unique_ptr<Variable> variable);
|
|
|
|
/// Constructor
|
2020-03-30 22:46:06 +00:00
|
|
|
/// @param source the variable statement source
|
2020-03-02 20:47:43 +00:00
|
|
|
/// @param variable the variable
|
|
|
|
VariableStatement(const Source& source, std::unique_ptr<Variable> variable);
|
|
|
|
/// Move constructor
|
|
|
|
VariableStatement(VariableStatement&&) = default;
|
|
|
|
~VariableStatement() override;
|
|
|
|
|
|
|
|
/// Sets the variable
|
|
|
|
/// @param variable the variable to set
|
|
|
|
void set_variable(std::unique_ptr<Variable> variable) {
|
|
|
|
variable_ = std::move(variable);
|
|
|
|
}
|
|
|
|
/// @returns the variable
|
|
|
|
Variable* variable() const { return variable_.get(); }
|
|
|
|
|
|
|
|
/// @returns true if this is an variable statement
|
|
|
|
bool IsVariable() const override { return true; }
|
|
|
|
|
|
|
|
/// @returns true if the node is valid
|
|
|
|
bool IsValid() const override;
|
|
|
|
|
|
|
|
/// Writes a representation of the node to the output stream
|
|
|
|
/// @param out the stream to write to
|
|
|
|
/// @param indent number of spaces to indent the node when writing
|
|
|
|
void to_str(std::ostream& out, size_t indent) const override;
|
|
|
|
|
|
|
|
private:
|
|
|
|
VariableStatement(const VariableStatement&) = delete;
|
|
|
|
|
|
|
|
std::unique_ptr<Variable> variable_;
|
|
|
|
};
|
|
|
|
|
|
|
|
} // namespace ast
|
|
|
|
} // namespace tint
|
|
|
|
|
|
|
|
#endif // SRC_AST_VARIABLE_STATEMENT_H_
|