clang-1/include/clang/Driver/InitHeaderSearch.h

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//===--- InitHeaderSearch.h - Initialize header search paths ----*- 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 the InitHeaderSearch class.
//
//===----------------------------------------------------------------------===//
#ifndef DRIVER_INIT_HEADER_SEARCH_H_
#define DRIVER_INIT_HEADER_SEARCH_H_
#include <string>
#include <vector>
#include "clang/Lex/DirectoryLookup.h"
namespace clang {
class HeaderSearch;
class LangOptions;
/// InitHeaderSearch - This class makes it easier to set the search paths of
/// a HeaderSearch object. InitHeaderSearch stores several search path lists
/// internally, which can be sent to a HeaderSearch object in one swoop.
class InitHeaderSearch {
std::vector<DirectoryLookup> IncludeGroup[4];
HeaderSearch& Headers;
bool Verbose;
std::string isysroot;
public:
/// InitHeaderSearch::IncludeDirGroup - Identifies the several search path
/// lists stored internally.
enum IncludeDirGroup {
Quoted = 0, //< `#include ""` paths. Thing `gcc -iquote`.
Angled, //< Paths for both `#include ""` and `#include <>`. (`-I`)
System, //< Like Angled, but marks system directories.
After //< Like System, but searched after the system directories.
};
InitHeaderSearch(HeaderSearch &HS,
bool verbose = false, const std::string &iSysroot = "")
: Headers(HS), Verbose(verbose), isysroot(iSysroot) {}
/// AddPath - Add the specified path to the specified group list.
void AddPath(const std::string &Path, IncludeDirGroup Group,
bool isCXXAware, bool isUserSupplied,
bool isFramework);
/// AddEnvVarPaths - Add a list of paths from an environment variable to a
/// header search list.
void AddEnvVarPaths(const char *Name);
/// AddDefaultEnvVarPaths - Adds list of paths from default environment
/// variables such as CPATH.
void AddDefaultEnvVarPaths(const LangOptions &Lang);
/// AddDefaultSystemIncludePaths - Adds the default system include paths so
/// that e.g. stdio.h is found.
void AddDefaultSystemIncludePaths(const LangOptions &Lang);
/// Realise - Merges all search path lists into one list and send it to
/// HeaderSearch.
void Realize();
};
} // end namespace clang
#endif