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CppTools: Fix include filename cache logic

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When resolution of a local include fails, a global resolution must be
done. When doing so, re-use the cache.

This will speed up the resolution for projects that mainly use the local
include directives also for global headers.

Change-Id: I7488c1977a44b881f90faa863d22f6276c20b147
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Finn Brudal
2016-03-11 15:10:28 +01:00
parent 5ee38fda5b
commit e6729c487d
2 changed files with 20 additions and 22 deletions
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39
src/plugins/cpptools/cppsourceprocessor.cpp
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@@ -237,23 +237,6 @@ bool CppSourceProcessor::checkFile(const QString &absoluteFilePath) const
return fileInfo.isFile() && fileInfo.isReadable();
}
/// Resolve the given file name to its absolute path w.r.t. the include type.
QString CppSourceProcessor::resolveFile(const QString &fileName, IncludeType type)
{
if (type == IncludeGlobal) {
QHash<QString, QString>::ConstIterator it = m_fileNameCache.constFind(fileName);
if (it != m_fileNameCache.constEnd())
return it.value();
const QString fn = resolveFile_helper(fileName, type);
if (!fn.isEmpty())
m_fileNameCache.insert(fileName, fn);
return fn;
}
// IncludeLocal, IncludeNext
return resolveFile_helper(fileName, type);
}
QString CppSourceProcessor::cleanPath(const QString &path)
{
QString result = QDir::cleanPath(path);
@@ -263,7 +246,8 @@ QString CppSourceProcessor::cleanPath(const QString &path)
return result;
}
QString CppSourceProcessor::resolveFile_helper(const QString &fileName, IncludeType type)
/// Resolve the given file name to its absolute path w.r.t. the include type.
QString CppSourceProcessor::resolveFile(const QString &fileName, IncludeType type)
{
if (isInjectedFile(fileName))
return fileName;
@@ -271,8 +255,6 @@ QString CppSourceProcessor::resolveFile_helper(const QString &fileName, IncludeT
if (QFileInfo(fileName).isAbsolute())
return checkFile(fileName) ? fileName : QString();
auto headerPathsIt = m_headerPaths.begin();
auto headerPathsEnd = m_headerPaths.end();
if (m_currentDoc) {
if (type == IncludeLocal) {
const QFileInfo currentFileInfo(m_currentDoc->fileName());
@@ -285,15 +267,30 @@ QString CppSourceProcessor::resolveFile_helper(const QString &fileName, IncludeT
} else if (type == IncludeNext) {
const QFileInfo currentFileInfo(m_currentDoc->fileName());
const QString currentDirPath = cleanPath(currentFileInfo.dir().path());
auto headerPathsEnd = m_headerPaths.end();
auto headerPathsIt = m_headerPaths.begin();
for (; headerPathsIt != headerPathsEnd; ++headerPathsIt) {
if (headerPathsIt->path == currentDirPath) {
++headerPathsIt;
break;
return resolveFile_helper(fileName, headerPathsIt);
}
}
}
}
QHash<QString, QString>::ConstIterator it = m_fileNameCache.constFind(fileName);
if (it != m_fileNameCache.constEnd())
return it.value();
const QString fn = resolveFile_helper(fileName, m_headerPaths.begin());
if (!fn.isEmpty())
m_fileNameCache.insert(fileName, fn);
return fn;
}
QString CppSourceProcessor::resolveFile_helper(const QString &fileName,
ProjectPartHeaderPaths::Iterator headerPathsIt)
{
auto headerPathsEnd = m_headerPaths.end();
for (; headerPathsIt != headerPathsEnd; ++headerPathsIt) {
if (headerPathsIt->isFrameworkPath())
continue;