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