blob: f73ca0cdf3405efe93711a61d3c9cf9d0076977a [file] [log] [blame] [edit]
// 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_ASSIGNMENT_STATEMENT_H_
#define SRC_AST_ASSIGNMENT_STATEMENT_H_
#include "src/ast/expression.h"
#include "src/ast/statement.h"
namespace tint {
namespace ast {
/// An assignment statement
class AssignmentStatement : public Castable<AssignmentStatement, Statement> {
public:
/// Constructor
/// @param program_id the identifier of the program that owns this node
/// @param source the assignment statement source
/// @param lhs the left side of the expression
/// @param rhs the right side of the expression
AssignmentStatement(ProgramID program_id,
const Source& source,
Expression* lhs,
Expression* rhs);
/// Move constructor
AssignmentStatement(AssignmentStatement&&);
~AssignmentStatement() override;
/// @returns the left side expression
Expression* lhs() const { return lhs_; }
/// @returns the right side expression
Expression* rhs() const { return rhs_; }
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
AssignmentStatement* 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:
AssignmentStatement(const AssignmentStatement&) = delete;
Expression* const lhs_;
Expression* const rhs_;
};
} // namespace ast
} // namespace tint
#endif // SRC_AST_ASSIGNMENT_STATEMENT_H_