<commit_before>//===--- InitHeaderSearch.cpp - Initialize header search paths ----------*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the InitHeaderSearch class.
//
//===----------------------------------------------------------------------===//

#include "clang/Frontend/InitHeaderSearch.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/System/Path.h"
#include "llvm/Config/config.h"
#include <cstdio>
#include <vector>
using namespace clang;

void InitHeaderSearch::AddPath(const std::string &Path, IncludeDirGroup Group,
                               bool isCXXAware, bool isUserSupplied,
                               bool isFramework, bool IgnoreSysRoot) {
  assert(!Path.empty() && "can't handle empty path here");
  FileManager &FM = Headers.getFileMgr();
  
  // Compute the actual path, taking into consideration -isysroot.
  llvm::SmallString<256> MappedPath;
  
  // Handle isysroot.
  if (Group == System && !IgnoreSysRoot) {
    // FIXME: Portability.  This should be a sys::Path interface, this doesn't
    // handle things like C:\ right, nor win32 \\network\device\blah.
    if (isysroot.size() != 1 || isysroot[0] != '/') // Add isysroot if present.
      MappedPath.append(isysroot.begin(), isysroot.end());
  }
  
  MappedPath.append(Path.begin(), Path.end());

  // Compute the DirectoryLookup type.
  SrcMgr::CharacteristicKind Type;
  if (Group == Quoted || Group == Angled)
    Type = SrcMgr::C_User;
  else if (isCXXAware)
    Type = SrcMgr::C_System;
  else
    Type = SrcMgr::C_ExternCSystem;
  
  
  // If the directory exists, add it.
  if (const DirectoryEntry *DE = FM.getDirectory(&MappedPath[0], 
                                                 &MappedPath[0]+
                                                 MappedPath.size())) {
    IncludeGroup[Group].push_back(DirectoryLookup(DE, Type, isUserSupplied,
                                                  isFramework));
    return;
  }
  
  // Check to see if this is an apple-style headermap (which are not allowed to
  // be frameworks).
  if (!isFramework) {
    if (const FileEntry *FE = FM.getFile(&MappedPath[0], 
                                         &MappedPath[0]+MappedPath.size())) {
      if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) {
        // It is a headermap, add it to the search path.
        IncludeGroup[Group].push_back(DirectoryLookup(HM, Type,isUserSupplied));
        return;
      }
    }
  }
  
  if (Verbose)
    fprintf(stderr, "ignoring nonexistent directory \"%s\"\n",
            MappedPath.c_str());
}


void InitHeaderSearch::AddEnvVarPaths(const char *Name) {
  const char* at = getenv(Name);
  if (!at || *at == 0) // Empty string should not add '.' path.
    return;

  const char* delim = strchr(at, llvm::sys::PathSeparator);
  while (delim != 0) {
    if (delim-at == 0)
      AddPath(".", Angled, false, true, false);
    else
      AddPath(std::string(at, std::string::size_type(delim-at)), Angled, false,
              true, false);
    at = delim + 1;
    delim = strchr(at, llvm::sys::PathSeparator);
  }
  if (*at == 0)
    AddPath(".", Angled, false, true, false);
  else
    AddPath(at, Angled, false, true, false);
}


void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang) {
  // FIXME: temporary hack: hard-coded paths.
  // FIXME: get these from the target?

#ifdef LLVM_ON_WIN32
  if (Lang.CPlusPlus) {
    // Mingw32 GCC version 4
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++",
            System, true, false, false);
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++/mingw32",
            System, true, false, false);
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++/backward",
            System, true, false, false);
  }

  // Mingw32 GCC version 4
  AddPath("C:/mingw/include", System, false, false, false);
#else

  if (Lang.CPlusPlus) {
    AddPath("/usr/include/c++/4.2.1", System, true, false, false);
    AddPath("/usr/include/c++/4.2.1/i686-apple-darwin10", System, true, false,
        false);
    AddPath("/usr/include/c++/4.2.1/backward", System, true, false, false);

    AddPath("/usr/include/c++/4.0.0", System, true, false, false);
    AddPath("/usr/include/c++/4.0.0/i686-apple-darwin8", System, true, false,
        false);
    AddPath("/usr/include/c++/4.0.0/backward", System, true, false, false);

    // Ubuntu 7.10 - Gutsy Gibbon
    AddPath("/usr/include/c++/4.1.3", System, true, false, false);
    AddPath("/usr/include/c++/4.1.3/i486-linux-gnu", System, true, false,
        false);
    AddPath("/usr/include/c++/4.1.3/backward", System, true, false, false);<commit_msg>Search path for 64-bit Ubuntu Linux, from <NAME><commit_after>//===--- InitHeaderSearch.cpp - Initialize header search paths ----------*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the InitHeaderSearch class.
//
//===----------------------------------------------------------------------===//

#include "clang/Frontend/InitHeaderSearch.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/System/Path.h"
#include "llvm/Config/config.h"
#include <cstdio>
#include <vector>
using namespace clang;

void InitHeaderSearch::AddPath(const std::string &Path, IncludeDirGroup Group,
                               bool isCXXAware, bool isUserSupplied,
                               bool isFramework, bool IgnoreSysRoot) {
  assert(!Path.empty() && "can't handle empty path here");
  FileManager &FM = Headers.getFileMgr();
  
  // Compute the actual path, taking into consideration -isysroot.
  llvm::SmallString<256> MappedPath;
  
  // Handle isysroot.
  if (Group == System && !IgnoreSysRoot) {
    // FIXME: Portability.  This should be a sys::Path interface, this doesn't
    // handle things like C:\ right, nor win32 \\network\device\blah.
    if (isysroot.size() != 1 || isysroot[0] != '/') // Add isysroot if present.
      MappedPath.append(isysroot.begin(), isysroot.end());
  }
  
  MappedPath.append(Path.begin(), Path.end());

  // Compute the DirectoryLookup type.
  SrcMgr::CharacteristicKind Type;
  if (Group == Quoted || Group == Angled)
    Type = SrcMgr::C_User;
  else if (isCXXAware)
    Type = SrcMgr::C_System;
  else
    Type = SrcMgr::C_ExternCSystem;
  
  
  // If the directory exists, add it.
  if (const DirectoryEntry *DE = FM.getDirectory(&MappedPath[0], 
                                                 &MappedPath[0]+
                                                 MappedPath.size())) {
    IncludeGroup[Group].push_back(DirectoryLookup(DE, Type, isUserSupplied,
                                                  isFramework));
    return;
  }
  
  // Check to see if this is an apple-style headermap (which are not allowed to
  // be frameworks).
  if (!isFramework) {
    if (const FileEntry *FE = FM.getFile(&MappedPath[0], 
                                         &MappedPath[0]+MappedPath.size())) {
      if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) {
        // It is a headermap, add it to the search path.
        IncludeGroup[Group].push_back(DirectoryLookup(HM, Type,isUserSupplied));
        return;
      }
    }
  }
  
  if (Verbose)
    fprintf(stderr, "ignoring nonexistent directory \"%s\"\n",
            MappedPath.c_str());
}


void InitHeaderSearch::AddEnvVarPaths(const char *Name) {
  const char* at = getenv(Name);
  if (!at || *at == 0) // Empty string should not add '.' path.
    return;

  const char* delim = strchr(at, llvm::sys::PathSeparator);
  while (delim != 0) {
    if (delim-at == 0)
      AddPath(".", Angled, false, true, false);
    else
      AddPath(std::string(at, std::string::size_type(delim-at)), Angled, false,
              true, false);
    at = delim + 1;
    delim = strchr(at, llvm::sys::PathSeparator);
  }
  if (*at == 0)
    AddPath(".", Angled, false, true, false);
  else
    AddPath(at, Angled, false, true, false);
}


void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang) {
  // FIXME: temporary hack: hard-coded paths.
  // FIXME: get these from the target?

#ifdef LLVM_ON_WIN32
  if (Lang.CPlusPlus) {
    // Mingw32 GCC version 4
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++",
            System, true, false, false);
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++/mingw32",
            System, true, false, false);
    AddPath("c:/mingw/lib/gcc/mingw32/4.3.0/include/c++/backward",
            System, true, false, false);
  }

  // Mingw32 GCC version 4
  AddPath("C:/mingw/include", System, false, false, false);
#else

  if (Lang.CPlusPlus) {
    AddPath("/usr/include/c++/4.2.1", System, true, false, false);
    AddPath("/usr/include/c++/4.2.1/i686-apple-darwin10", System, true, false,
        false);
    AddPath("/usr/include/c++/4.2.1/backward", System, true, false, false);

    AddPath("/usr/include/c++/4.0.0", System, true, false, false);
    AddPath("/usr/include/c++/4.0.0/i686-apple-darwin8", System, true, false,
        false);
    AddPath("/usr/include/c++/4.0.0/backward", System, true, false, false);

    // Ubuntu 7.10 - Gutsy Gibbon
    AddPath("/usr/include/c++/4.1.3", System, true, false, false);
    AddPath("/usr/include/c++/4.1.3/i486-linux-gnu", System, true, false,
        false);
    AddPath("/usr/include/c++/4.1.3/backward", System, true, false, false);

    // Ubuntu 9.04
    AddPath("/usr/include/c++/4.3.3", System, true, false, false);
    AddPath("/usr/include/c++/4.3.3/x86_64-linux-gnu/", System, true, false,
        false);
    AddPath("/usr/include/c++/4.3.3/backward", System, true, false, false);
{'fraction_non_alphanumeric': 0.18249878463782207, 'fraction_numerical': 0.017890131259115215, 'mean_word_length': 2.3658376963350785, 'pattern_counts': {'":': 0, '<': 10, '<?xml version=': 0, '>': 10, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 16, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2866362', 'n_tokens_mistral': 3441, 'n_tokens_neox': 3295, 'n_words': 771}