70 lines
2.3 KiB
C++
70 lines
2.3 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_ASSIGNMENT_STATEMENT_H_
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#define SRC_AST_ASSIGNMENT_STATEMENT_H_
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#include "src/ast/expression.h"
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#include "src/ast/statement.h"
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namespace tint {
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namespace ast {
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/// An assignment statement
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class AssignmentStatement : public Castable<AssignmentStatement, Statement> {
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public:
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/// Constructor
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/// @param program_id the identifier of the program that owns this node
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/// @param source the assignment statement source
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/// @param lhs the left side of the expression
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/// @param rhs the right side of the expression
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AssignmentStatement(ProgramID program_id,
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const Source& source,
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Expression* lhs,
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Expression* rhs);
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/// Move constructor
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AssignmentStatement(AssignmentStatement&&);
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~AssignmentStatement() override;
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/// @returns the left side expression
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Expression* lhs() const { return lhs_; }
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/// @returns the right side expression
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Expression* rhs() const { return rhs_; }
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/// Clones this node and all transitive child nodes using the `CloneContext`
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/// `ctx`.
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/// @param ctx the clone context
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/// @return the newly cloned node
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AssignmentStatement* Clone(CloneContext* ctx) const override;
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/// Writes a representation of the node to the output stream
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/// @param sem the semantic info for the program
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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(const sem::Info& sem,
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std::ostream& out,
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size_t indent) const override;
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private:
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AssignmentStatement(const AssignmentStatement&) = delete;
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Expression* const lhs_;
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Expression* const rhs_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_ASSIGNMENT_STATEMENT_H_
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