6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
//===- TokenManager.h - Manage Tokens for syntax-tree ------------*- C++-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Defines Token interfaces for the clang syntax-tree. This is the level of
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// abstraction that the syntax-tree uses to operate on Token.
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//
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// TokenManager decouples the syntax-tree from a particular token
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// implementation. For example, a TokenBuffer captured from a clang parser may
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// track macro expansions and associate tokens with clang's SourceManager, while
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// a clang pseudoparser would use a flat array of raw-lexed tokens in memory.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLING_SYNTAX_TOKEN_MANAGER_H
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#define LLVM_CLANG_TOOLING_SYNTAX_TOKEN_MANAGER_H
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#include "llvm/ADT/StringRef.h"
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#include <cstdint>
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namespace clang {
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namespace syntax {
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/// Defines interfaces for operating "Token" in the clang syntax-tree.
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class TokenManager {
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public:
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virtual ~TokenManager() = default;
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/// Describes what the exact class kind of the TokenManager is.
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virtual llvm::StringLiteral kind() const = 0;
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/// A key to identify a specific token. The token concept depends on the
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/// underlying implementation -- it can be a spelled token from the original
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/// source file or an expanded token.
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/// The syntax-tree Leaf node holds a Key.
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using Key = uintptr_t;
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virtual llvm::StringRef getText(Key K) const = 0;
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};
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} // namespace syntax
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} // namespace clang
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#endif // LLVM_CLANG_TOOLING_SYNTAX_TOKEN_MANAGER_H
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