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Clang: Add file cache

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The database is using file path integer ids to handle file paths because
otherwise we would save many redundant data. This patch is improving it
further with the introduction of a database based file path cache. The
entries are now divided in a directory path and file name. This is quite
handy for directory based file watching.

Change-Id: I03f2e388e43f3d521d6bf8e39dfb95eb2309dc73
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Marco Bubke
2017-09-21 11:43:59 +02:00
committed by Tim Jenssen
parent 0be8240002
commit d2e15e5f1e
135 changed files with 3458 additions and 1517 deletions
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23
src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
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@@ -25,28 +25,15 @@
#pragma once
#include <filepathcachinginterface.h>
#include <sourcelocationscontainer.h>
#include <sourcerangescontainer.h>
#if defined(__GNUC__)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wunused-parameter"
#elif defined(_MSC_VER)
# pragma warning(push)
# pragma warning( disable : 4100 )
#endif
#include <clang/Basic/SourceManager.h>
#include <clang/Lex/Lexer.h>
#include <llvm/Support/FileSystem.h>
#include <llvm/Support/FileUtilities.h>
#if defined(__GNUC__)
# pragma GCC diagnostic pop
#elif defined(_MSC_VER)
# pragma warning(pop)
#endif
#include <iterator>
#include <cctype>
@@ -79,7 +66,8 @@ inline
void appendSourceLocationsToSourceLocationsContainer(
ClangBackEnd::SourceLocationsContainer &sourceLocationsContainer,
const std::vector<clang::SourceLocation> &sourceLocations,
const clang::SourceManager &sourceManager)
const clang::SourceManager &sourceManager,
FilePathCachingInterface &filePathCache)
{
sourceLocationsContainer.reserve(sourceLocations.size());
@@ -89,10 +77,9 @@ void appendSourceLocationsToSourceLocationsContainer(
const auto fileId = decomposedLoction.first;
const auto offset = decomposedLoction.second;
const auto fileEntry = sourceManager.getFileEntryForID(fileId);
auto filePath = fromNativePath(absolutePath(fileEntry->getName()));
sourceLocationsContainer.insertFilePath(fileId.getHashValue(),
fromNativePath(absolutePath(fileEntry->getName())));
sourceLocationsContainer.insertSourceLocation(fileId.getHashValue(),
sourceLocationsContainer.insertSourceLocation(filePathCache.filePathId(filePath),
fullSourceLocation.getSpellingLineNumber(),
fullSourceLocation.getSpellingColumnNumber(),
offset);