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//===- CIndexer.h - Clang-C Source Indexing Library -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines CIndexer, a subclass of Indexer that provides extra
// functionality needed by the CIndex library.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_CINDEXER_H
#define LLVM_CLANG_CINDEXER_H
#include "clang-c/Index.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Path.h"
#include <vector>
namespace llvm {
class CrashRecoveryContext;
}
namespace clang {
class ASTUnit;
class CIndexer {
bool OnlyLocalDecls;
bool DisplayDiagnostics;
unsigned Options; // CXGlobalOptFlags.
llvm::sys::Path ResourcesPath;
std::string WorkingDir;
public:
CIndexer() : OnlyLocalDecls(false), DisplayDiagnostics(false),
Options(CXGlobalOpt_None) { }
/// \brief Whether we only want to see "local" declarations (that did not
/// come from a previous precompiled header). If false, we want to see all
/// declarations.
bool getOnlyLocalDecls() const { return OnlyLocalDecls; }
void setOnlyLocalDecls(bool Local = true) { OnlyLocalDecls = Local; }
bool getDisplayDiagnostics() const { return DisplayDiagnostics; }
void setDisplayDiagnostics(bool Display = true) {
DisplayDiagnostics = Display;
}
unsigned getCXGlobalOptFlags() const { return Options; }
void setCXGlobalOptFlags(unsigned options) { Options = options; }
bool isOptEnabled(CXGlobalOptFlags opt) const {
return Options & opt;
}
/// \brief Get the path of the clang resource files.
std::string getClangResourcesPath();
const std::string &getWorkingDirectory() const { return WorkingDir; }
void setWorkingDirectory(const std::string &Dir) { WorkingDir = Dir; }
};
/**
* \brief Given a set of "unsaved" files, create temporary files and
* construct the clang -cc1 argument list needed to perform the remapping.
*
* \returns true if an error occurred.
*/
bool RemapFiles(unsigned num_unsaved_files,
struct CXUnsavedFile *unsaved_files,
std::vector<std::string> &RemapArgs,
std::vector<llvm::sys::Path> &TemporaryFiles);
/// \brief Return the current size to request for "safety".
unsigned GetSafetyThreadStackSize();
/// \brief Set the current size to request for "safety" (or 0, if safety
/// threads should not be used).
void SetSafetyThreadStackSize(unsigned Value);
/// \brief Execution the given code "safely", using crash recovery or safety
/// threads when possible.
///
/// \return False if a crash was detected.
bool RunSafely(llvm::CrashRecoveryContext &CRC,
void (*Fn)(void*), void *UserData, unsigned Size = 0);
/// \brief Set the thread priority to background.
/// FIXME: Move to llvm/Support.
void setThreadBackgroundPriority();
/// \brief Print libclang's resource usage to standard error.
void PrintLibclangResourceUsage(CXTranslationUnit TU);
namespace cxindex {
void printDiagsToStderr(ASTUnit *Unit);
}
}
#endif
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