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https://github.com/encounter/dawn-cmake.git
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e8c12f32f9
This CL removes the StatementList define now that BlockStatement is used everywhere. Bug: tint:130 Change-Id: Id51de13cd1ca0cd69023523c762fe719bc2da999 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/25725 Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>
101 lines
3.1 KiB
C++
101 lines
3.1 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 <memory>
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#include <utility>
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#include <vector>
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#include "src/ast/block_statement.h"
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#include "src/ast/expression.h"
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#include "src/ast/int_literal.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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/// A list of case literals
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using CaseSelectorList = std::vector<std::unique_ptr<ast::IntLiteral>>;
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/// A case statement
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class CaseStatement : public Statement {
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public:
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/// Constructor
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CaseStatement();
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/// Constructor
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/// Creates a default case statement
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/// @param body the case body
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explicit CaseStatement(std::unique_ptr<BlockStatement> body);
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/// Constructor
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/// @param selectors the case selectors
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/// @param body the case body
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CaseStatement(CaseSelectorList selectors,
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std::unique_ptr<BlockStatement> body);
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/// Constructor
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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(const Source& source,
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CaseSelectorList selectors,
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std::unique_ptr<BlockStatement> body);
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/// Move constructor
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CaseStatement(CaseStatement&&);
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~CaseStatement() override;
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/// Sets the selectors for the case statement
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/// @param selectors the selectors to set
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void set_selectors(CaseSelectorList selectors) {
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selectors_ = std::move(selectors);
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}
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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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/// Sets the case body
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/// @param body the case body
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void set_body(std::unique_ptr<BlockStatement> body) {
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body_ = std::move(body);
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}
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/// @returns the case body
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const BlockStatement* body() const { return body_.get(); }
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/// @returns true if this is a case statement
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bool IsCase() const override;
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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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CaseStatement(const CaseStatement&) = delete;
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CaseSelectorList selectors_;
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std::unique_ptr<BlockStatement> body_;
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};
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/// A list of unique case statements
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using CaseStatementList = std::vector<std::unique_ptr<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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