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This CL adds parsing for the WGSL `while` statement. Bug: tint:1425 Change-Id: Ibce5e28568935ca4f51b5ac33e7a60af7a916b4a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/93540 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Copyright 2022 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_TINT_SEM_WHILE_STATEMENT_H_
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#define SRC_TINT_SEM_WHILE_STATEMENT_H_
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#include "src/tint/sem/statement.h"
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// Forward declarations
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namespace tint::ast {
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class WhileStatement;
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} // namespace tint::ast
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namespace tint::sem {
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class Expression;
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} // namespace tint::sem
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namespace tint::sem {
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/// Holds semantic information about a while statement
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class WhileStatement final : public Castable<WhileStatement, CompoundStatement> {
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public:
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/// Constructor
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/// @param declaration the AST node for this while statement
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/// @param parent the owning statement
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/// @param function the owning function
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WhileStatement(const ast::WhileStatement* declaration,
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const CompoundStatement* parent,
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const sem::Function* function);
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/// Destructor
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~WhileStatement() override;
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/// @returns the AST node
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const ast::WhileStatement* Declaration() const;
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/// @returns the whilecondition expression
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const Expression* Condition() const { return condition_; }
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/// Sets the while condition expression
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/// @param condition the while condition expression
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void SetCondition(const Expression* condition) { condition_ = condition; }
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private:
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const Expression* condition_ = nullptr;
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};
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} // namespace tint::sem
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#endif // SRC_TINT_SEM_WHILE_STATEMENT_H_
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