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61d76ebb5c
This CL removes some forward declarations which are no longer needed and adds one missing declaration which was pulled in from other headers. These were found by the clang-tidy bugprone-forward-declaration-namespace check. Bug: dawn:1414 Change-Id: I8906861e472f2d64a1547c8c6de348cd4151ffb5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91742 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Auto-Submit: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
// Copyright 2021 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_BLOCK_STATEMENT_H_
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#define SRC_TINT_SEM_BLOCK_STATEMENT_H_
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#include <cstddef>
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#include <vector>
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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 BlockStatement;
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class ContinueStatement;
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class Variable;
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} // namespace tint::ast
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namespace tint::sem {
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/// Holds semantic information about a block, such as parent block and variables
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/// declared in the block.
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class BlockStatement : public Castable<BlockStatement, CompoundStatement> {
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public:
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/// Constructor
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/// @param declaration the AST node for this block statement
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/// @param parent the owning statement
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/// @param function the owning function
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BlockStatement(const ast::BlockStatement* 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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~BlockStatement() override;
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/// @returns the AST block statement associated with this semantic block
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/// statement
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const ast::BlockStatement* Declaration() const;
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/// @returns the declarations associated with this block
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const std::vector<const ast::Variable*>& Decls() const { return decls_; }
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/// Associates a declaration with this block.
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/// @param var a variable declaration to be added to the block
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void AddDecl(const ast::Variable* var);
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private:
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std::vector<const ast::Variable*> decls_;
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};
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/// The root block statement for a function
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class FunctionBlockStatement final : public Castable<FunctionBlockStatement, BlockStatement> {
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public:
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/// Constructor
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/// @param function the owning function
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explicit FunctionBlockStatement(const sem::Function* function);
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/// Destructor
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~FunctionBlockStatement() override;
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};
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/// Holds semantic information about a loop body block or for-loop body block
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class LoopBlockStatement final : public Castable<LoopBlockStatement, BlockStatement> {
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public:
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/// Constructor
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/// @param declaration the AST node for this block statement
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/// @param parent the owning statement
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/// @param function the owning function
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LoopBlockStatement(const ast::BlockStatement* 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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~LoopBlockStatement() override;
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/// @returns the first continue statement in this loop block, or nullptr if
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/// there are no continue statements in the block
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const ast::ContinueStatement* FirstContinue() const { return first_continue_; }
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/// @returns the number of variables declared before the first continue
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/// statement
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size_t NumDeclsAtFirstContinue() const { return num_decls_at_first_continue_; }
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/// Allows the resolver to record the first continue statement in the block
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/// and the number of variables declared prior to that statement.
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/// @param first_continue the first continue statement in the block
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/// @param num_decls the number of variable declarations before that continue
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void SetFirstContinue(const ast::ContinueStatement* first_continue, size_t num_decls);
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private:
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/// The first continue statement in this loop block.
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const ast::ContinueStatement* first_continue_ = nullptr;
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/// The number of variables declared before the first continue statement.
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size_t num_decls_at_first_continue_ = 0;
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};
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} // namespace tint::sem
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#endif // SRC_TINT_SEM_BLOCK_STATEMENT_H_
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