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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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14
src/tools/clangrefactoringbackend/source/sourcerangeextractor.h
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@@ -25,9 +25,10 @@
#pragma once
#include <stringcache.h>
#include <filepathcachingfwd.h>
#include <filepath.h>
#include <filepathid.h>
#include <utils/smallstringfwd.h>
@@ -59,7 +60,7 @@ class SourceRangeExtractor
public:
SourceRangeExtractor(const clang::SourceManager &sourceManager,
const clang::LangOptions &languageOptions,
ClangBackEnd::FilePathCache<std::mutex> &filePathCache,
FilePathCachingInterface &filePathCache,
SourceRangesContainer &sourceRangesContainer);
void addSourceRange(const clang::SourceRange &sourceRange);
@@ -74,21 +75,20 @@ public:
const clang::SourceRange extendSourceRangeToLastTokenEnd(const clang::SourceRange sourceRange);
private:
void insertSourceRange(uint fileId,
Utils::PathString &&filePath,
void insertSourceRange(FilePathId filePathId,
const clang::FullSourceLoc &startLocation,
uint startOffset,
const clang::FullSourceLoc &endLocation,
uint endOffset,
Utils::SmallString &&lineSnippet);
FilePathIndex findFileId(clang::FileID fileId, const clang::FileEntry *fileEntry) const;
FilePathId findFileId(clang::FileID fileId, const clang::FileEntry *fileEntry) const;
private:
mutable std::unordered_map<uint, uint> m_fileIdMapping;
mutable std::unordered_map<uint, FilePathId> m_fileIdMapping;
const clang::SourceManager &sourceManager;
const clang::LangOptions &languageOptions;
ClangBackEnd::FilePathCache<std::mutex> &filePathCache;
FilePathCachingInterface &filePathCache;
SourceRangesContainer &sourceRangesContainer;
};