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//===-- CMakeFileAPI.h - CMake File API -------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// APIs to read information from CMake's file-based API. See
// https://cmake.org/cmake/help/latest/manual/cmake-file-api.7.html for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_CACHEBUILDSESSION_CMAKEFILEAPI_H
#define LLVM_TOOLS_CACHEBUILDSESSION_CMAKEFILEAPI_H
#include "llvm/Support/JSON.h"
namespace llvm {
namespace cmake_file_api {
class CodeModel {
json::Object Obj;
public:
explicit CodeModel(json::Object Obj) : Obj(std::move(Obj)) {}
CodeModel() = default;
/// The CMake build directory.
Expected<StringRef> getBuildPath() const;
/// The source directory of the top-level "CMakeLists.txt" file where
/// configuration was initiated from.
Expected<StringRef> getSourcePath() const;
/// Returns an array of other top-level directories that are not contained in
/// the directory of \p getSourcePath().
///
/// For example, when configuring llvm with
/// \p -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra" the returned top-level
/// paths will be "/path/to/clang", and "/path/to/clang-tools-extra", with
/// \p getSourcePath() returning "/path/to/llvm".
Error getExtraTopLevelSourcePaths(SmallVectorImpl<StringRef> &Paths) const;
};
class Index {
json::Object Obj;
std::string CMakeFileAPIPath;
Index(json::Object Obj, std::string CMakeFileAPIPath)
: Obj(std::move(Obj)), CMakeFileAPIPath(std::move(CMakeFileAPIPath)) {}
public:
Index() = default;
static Expected<Index> fromPath(StringRef CMakeBuildPath);
Expected<CodeModel> getCodeModel() const;
};
} // namespace cmake_file_api
} // namespace llvm
#endif
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