6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
//===--- HeaderAnalysis.h -----------------------------------------*-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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#ifndef LLVM_CLANG_TOOLING_INCLUSIONS_HEADER_ANALYSIS_H
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#define LLVM_CLANG_TOOLING_INCLUSIONS_HEADER_ANALYSIS_H
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#include "clang/Basic/FileEntry.h"
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#include "llvm/ADT/StringRef.h"
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#include <optional>
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namespace clang {
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class SourceManager;
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class HeaderSearch;
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namespace tooling {
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/// Returns true if the given physical file is a self-contained header.
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///
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/// A header is considered self-contained if
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// - it has a proper header guard or has been #imported or contains #import(s)
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// - *and* it doesn't have a dont-include-me pattern.
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///
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/// This function can be expensive as it may scan the source code to find out
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/// dont-include-me pattern heuristically.
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bool isSelfContainedHeader(FileEntryRef FE, const SourceManager &SM,
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const HeaderSearch &HeaderInfo);
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/// This scans the given source code to see if it contains #import(s).
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bool codeContainsImports(llvm::StringRef Code);
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/// If Text begins an Include-What-You-Use directive, returns it.
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/// Given "// IWYU pragma: keep", returns "keep".
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/// Input is a null-terminated char* as provided by SM.getCharacterData().
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/// (This should not be StringRef as we do *not* want to scan for its length).
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/// For multi-line comments, we return only the first line.
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std::optional<llvm::StringRef> parseIWYUPragma(const char *Text);
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} // namespace tooling
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} // namespace clang
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#endif // LLVM_CLANG_TOOLING_INCLUSIONS_HEADER_ANALYSIS_H
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