75 lines
2.3 KiB
C++
75 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_CASE_STATEMENT_H_
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#define SRC_AST_CASE_STATEMENT_H_
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#include <vector>
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#include "src/ast/block_statement.h"
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#include "src/ast/int_literal.h"
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namespace tint {
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namespace ast {
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/// A list of case literals
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using CaseSelectorList = std::vector<IntLiteral*>;
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/// A case statement
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class CaseStatement : public Castable<CaseStatement, 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 source information
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/// @param selectors the case selectors
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/// @param body the case body
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CaseStatement(ProgramID program_id,
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const Source& source,
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CaseSelectorList selectors,
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BlockStatement* body);
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/// Move constructor
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CaseStatement(CaseStatement&&);
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~CaseStatement() override;
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/// @returns the case selectors, empty if none set
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const CaseSelectorList& selectors() const { return selectors_; }
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/// @returns true if this is a default statement
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bool IsDefault() const { return selectors_.empty(); }
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/// @returns the case body
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const BlockStatement* body() const { return body_; }
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/// @returns the case body
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BlockStatement* body() { return body_; }
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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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CaseStatement* Clone(CloneContext* ctx) const override;
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private:
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CaseStatement(const CaseStatement&) = delete;
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CaseSelectorList const selectors_;
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BlockStatement* const body_;
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};
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/// A list of case statements
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using CaseStatementList = std::vector<CaseStatement*>;
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_CASE_STATEMENT_H_
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