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Clang: Reparse the translation unit for unsaved file changes

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Change-Id: I49711ce040a995f193d36961e010decc27c34c4c
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
This commit is contained in:
Marco Bubke
2015-07-16 19:57:52 +02:00
committed by Nikolai Kosjar
parent efada54950
commit 2443f18b85
3 changed files with 114 additions and 18 deletions
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53
src/tools/clangbackend/ipcsource/translationunit.cpp
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@@ -52,7 +52,8 @@ public:
~TranslationUnitData();
public:
time_point lastChangeTimePoint;
time_point lastProjectPartChangeTimePoint;
time_point lastUnsavedFilesChangeTimePoint;
ProjectPart projectPart;
Utf8String filePath;
CXTranslationUnit translationUnit = nullptr;
@@ -63,7 +64,8 @@ public:
TranslationUnitData::TranslationUnitData(const Utf8String &filePath,
const UnsavedFiles &unsavedFiles,
const ProjectPart &projectPart)
: lastChangeTimePoint(std::chrono::steady_clock::now()),
: lastProjectPartChangeTimePoint(std::chrono::steady_clock::now()),
lastUnsavedFilesChangeTimePoint(lastProjectPartChangeTimePoint),
projectPart(projectPart),
filePath(filePath),
unsavedFiles(unsavedFiles)
@@ -109,10 +111,9 @@ CXIndex TranslationUnit::index() const
CXTranslationUnit TranslationUnit::cxTranslationUnit() const
{
checkIfNull();
removeOutdatedTranslationUnit();
removeTranslationUnitIfProjectPartWasChanged();
createTranslationUnitIfNeeded();
reparseTranslationUnitIfUnsavedFilesAreChanged();
return d->translationUnit;
}
@@ -131,9 +132,19 @@ const Utf8String &TranslationUnit::projectPartId() const
return d->projectPart.projectPartId();
}
const time_point &TranslationUnit::lastChangeTimePoint() const
const time_point &TranslationUnit::lastProjectPartChangeTimePoint() const
{
return d->lastChangeTimePoint;
return d->lastProjectPartChangeTimePoint;
}
const time_point &TranslationUnit::lastUnsavedFilesChangeTimePoint() const
{
return d->lastUnsavedFilesChangeTimePoint;
}
bool TranslationUnit::isNeedingReparse() const
{
return d->lastUnsavedFilesChangeTimePoint < d->unsavedFiles.lastChangeTimePoint();
}
void TranslationUnit::checkIfNull() const
@@ -148,19 +159,29 @@ void TranslationUnit::checkIfFileExists() const
throw TranslationUnitFileNotExitsException(d->filePath);
}
void TranslationUnit::updateLastChangeTimePoint() const
void TranslationUnit::updateLastProjectPartChangeTimePoint() const
{
d->lastChangeTimePoint = std::chrono::steady_clock::now();
d->lastProjectPartChangeTimePoint = std::chrono::steady_clock::now();
}
void TranslationUnit::removeOutdatedTranslationUnit() const
void TranslationUnit::updateLastUnsavedFilesChangeTimePoint() const
{
if (d->projectPart.lastChangeTimePoint() >= d->lastChangeTimePoint) {
d->lastUnsavedFilesChangeTimePoint = std::chrono::steady_clock::now();
}
void TranslationUnit::removeTranslationUnitIfProjectPartWasChanged() const
{
if (projectPartIsOutdated()) {
clang_disposeTranslationUnit(d->translationUnit);
d->translationUnit = nullptr;
}
}
bool TranslationUnit::projectPartIsOutdated() const
{
return d->projectPart.lastChangeTimePoint() >= d->lastProjectPartChangeTimePoint;
}
void TranslationUnit::createTranslationUnitIfNeeded() const
{
if (!d->translationUnit) {
@@ -180,7 +201,7 @@ void TranslationUnit::createTranslationUnitIfNeeded() const
// e.g. clang_codeCompleteAt() dramatically.
reparseTranslationUnit();
updateLastChangeTimePoint();
updateLastProjectPartChangeTimePoint();
}
}
@@ -198,6 +219,14 @@ void TranslationUnit::reparseTranslationUnit() const
d->unsavedFiles.count(),
d->unsavedFiles.cxUnsavedFiles(),
clang_defaultReparseOptions(d->translationUnit));
updateLastUnsavedFilesChangeTimePoint();
}
void TranslationUnit::reparseTranslationUnitIfUnsavedFilesAreChanged() const
{
if (isNeedingReparse())
reparseTranslationUnit();
}
int TranslationUnit::defaultOptions()