llvm/clang-tools-extra/clangd/CollectMacros.h

//===--- CollectMacros.h -----------------------------------------*- C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_COLLECTMACROS_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_COLLECTMACROS_H

#include "Protocol.h"
#include "SourceCode.h"
#include "index/SymbolID.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Lex/PPCallbacks.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/DenseMap.h"
#include <cstddef>
#include <string>

namespace clang {
namespace clangd {

struct MacroOccurrence { … };

struct MainFileMacros { … };

/// Collects macro references (e.g. definitions, expansions) in the main file.
/// It is used to:
///  - collect macros in the preamble section of the main file (in Preamble.cpp)
///  - collect macros after the preamble of the main file (in ParsedAST.cpp)
class CollectMainFileMacros : public PPCallbacks { … };

/// Represents a `#pragma mark` in the main file.
///
/// There can be at most one pragma mark per line.
struct PragmaMark { … };

/// Collect all pragma marks from the main file.
std::unique_ptr<PPCallbacks>
collectPragmaMarksCallback(const SourceManager &, std::vector<PragmaMark> &Out);

} // namespace clangd
} // namespace clang

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_COLLECTMACROS_H