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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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36
src/libs/clangsupport/filepath.h
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@@ -63,22 +63,27 @@ public:
{
}
FilePath(const Utils::PathString &directory, const Utils::PathString &name)
: m_path({std::move(directory), "/", std::move(name)}),
FilePath(Utils::SmallStringView directory, Utils::SmallStringView name)
: m_path({directory, "/", name}),
m_slashIndex(directory.size())
{}
Utils::SmallStringView directory() const
Utils::SmallStringView directory() const noexcept
{
return m_path.mid(0, m_slashIndex);
}
Utils::SmallStringView name() const
Utils::SmallStringView name() const noexcept
{
return m_path.mid(m_slashIndex + 1, m_path.size() - m_slashIndex - 1);
}
const Utils::PathString &path() const
const Utils::PathString &path() const noexcept
{
return m_path;
}
operator Utils::PathString() const noexcept
{
return m_path;
}
@@ -105,9 +110,7 @@ public:
friend std::ostream &operator<<(std::ostream &out, const FilePath &filePath)
{
out << filePath.directory() << "/" << filePath.name();
return out;
return out << "(" << filePath.path() << ", " << filePath.slashIndex() << ")";
}
friend bool operator==(const FilePath &first, const FilePath &second)
@@ -115,6 +118,16 @@ public:
return first.m_path == second.m_path;
}
friend bool operator==(const FilePath &first, const Utils::SmallStringView &second)
{
return first.path() == second;
}
friend bool operator==(const Utils::SmallStringView &first, const FilePath&second)
{
return second == first;
}
friend bool operator<(const FilePath &first, const FilePath &second)
{
return first.m_path < second.m_path;
@@ -125,11 +138,18 @@ public:
return *this;
}
std::size_t slashIndex() const
{
return m_slashIndex;
}
private:
Utils::PathString m_path = "/";
std::size_t m_slashIndex = 0;
};
using FilePaths = std::vector<FilePath>;
CMBIPC_EXPORT QDebug operator<<(QDebug debug, const FilePath &filePath);
} // namespace ClangBackEnd