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count # framework lookups 

llvm-svn: 39026
This commit is contained in:
Chris Lattner 2006-10-20 06:23:14 +00:00
parent 7949310b49
commit 641a0be31b
2 changed files with 27 additions and 18 deletions
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33
clang/Lex/HeaderSearch.cpp
View File

@ -19,6 +19,15 @@
using namespace llvm;
using namespace clang;
HeaderSearch::HeaderSearch(FileManager &FM) : FileMgr(FM) {
SystemDirIdx = 0;
NoCurDirSearch = false;
NumIncluded = 0;
NumMultiIncludeFileOptzn = 0;
NumFrameworkLookups = NumSubFrameworkLookups = 0;
}
void HeaderSearch::PrintStats() {
std::cerr << "\n*** HeaderSearch Stats:\n";
std::cerr << FileInfo.size() << " files tracked.\n";
@ -36,22 +45,24 @@ void HeaderSearch::PrintStats() {
std::cerr << " " << NumIncluded << " #include/#include_next/#import.\n";
std::cerr << " " << NumMultiIncludeFileOptzn << " #includes skipped due to"
<< " the multi-include optimization.\n";
std::cerr << NumFrameworkLookups << " framework lookups.\n";
std::cerr << NumSubFrameworkLookups << " subframework lookups.\n";
}
//===----------------------------------------------------------------------===//
// Header File Location.
//===----------------------------------------------------------------------===//
static const FileEntry *DoFrameworkLookup(const DirectoryEntry *Dir,
const std::string &Filename,
FileManager &FM) {
// TODO: caching.
const FileEntry *HeaderSearch::DoFrameworkLookup(const DirectoryEntry *Dir,
const std::string &Filename) {
// Framework names must have a '/' in the filename.
std::string::size_type SlashPos = Filename.find('/');
if (SlashPos == std::string::npos) return 0;
// TODO: caching.
++NumFrameworkLookups;
// FrameworkName = "/System/Library/Frameworks/"
std::string FrameworkName = Dir->getName();
if (FrameworkName.empty() || FrameworkName[FrameworkName.size()-1] != '/')
@ -66,13 +77,13 @@ static const FileEntry *DoFrameworkLookup(const DirectoryEntry *Dir,
// Check "/System/Library/Frameworks/Cocoa.framework/Headers/file.h"
std::string HeadersFilename = FrameworkName + "Headers/" +
std::string(Filename.begin()+SlashPos+1, Filename.end());
if (const FileEntry *FE = FM.getFile(HeadersFilename))
if (const FileEntry *FE = FileMgr.getFile(HeadersFilename))
return FE;
// Check "/System/Library/Frameworks/Cocoa.framework/PrivateHeaders/file.h"
std::string PrivateHeadersFilename = FrameworkName + "PrivateHeaders/" +
std::string(Filename.begin()+SlashPos+1, Filename.end());
return FM.getFile(PrivateHeadersFilename);
return FileMgr.getFile(PrivateHeadersFilename);
}
/// LookupFile - Given a "foo" or <foo> reference, look up the indicated file,
@ -131,10 +142,9 @@ const FileEntry *HeaderSearch::LookupFile(const std::string &Filename,
const FileEntry *FE = 0;
if (!SearchDirs[i].isFramework()) {
// FIXME: Portability. Adding file to dir should be in sys::Path.
std::string SearchDir = SearchDirs[i].getDir()->getName()+"/"+Filename;
FE = FileMgr.getFile(SearchDir);
FE = FileMgr.getFile(SearchDirs[i].getDir()->getName()+"/"+Filename);
} else {
FE = DoFrameworkLookup(SearchDirs[i].getDir(), Filename, FileMgr);
FE = DoFrameworkLookup(SearchDirs[i].getDir(), Filename);
}
if (FE) {
@ -163,6 +173,7 @@ LookupSubframeworkHeader(const std::string &Filename,
if (SlashPos == std::string::npos) return 0;
// TODO: Cache subframework.
++NumSubFrameworkLookups;
// Look up the base framework name of the ContextFileEnt.
const std::string &ContextName = ContextFileEnt->getName();

12
clang/include/clang/Lex/HeaderSearch.h
View File

@ -120,14 +120,9 @@ class HeaderSearch {
// Various statistics we track for performance analysis.
unsigned NumIncluded;
unsigned NumMultiIncludeFileOptzn;
unsigned NumFrameworkLookups, NumSubFrameworkLookups;
public:
HeaderSearch(FileManager &FM) : FileMgr(FM) {
SystemDirIdx = 0;
NoCurDirSearch = false;
NumIncluded = 0;
NumMultiIncludeFileOptzn = 0;
}
HeaderSearch(FileManager &FM);
/// SetSearchPaths - Interface for setting the file search paths.
///
@ -193,6 +188,9 @@ public:
void PrintStats();
private:
const FileEntry *DoFrameworkLookup(const DirectoryEntry *Dir,
const std::string &Filename);
/// getFileInfo - Return the PerFileInfo structure for the specified
/// FileEntry.
PerFileInfo &getFileInfo(const FileEntry *FE);