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Clang: Suppress a compiler warning in fulltokeninfo.cpp

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Change-Id: I75fadf3c38b2a75cb8791da0271bf6e100505708
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>
This commit is contained in:
Nikita Baryshnikov
2018-02-20 12:08:36 +03:00
parent 1d2b27081a
commit f369048d41
1 changed files with 20 additions and 12 deletions
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32
src/tools/clangbackend/source/fulltokeninfo.cpp
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@@ -106,8 +106,18 @@ static Utf8String propertyParentSpelling(CXTranslationUnit cxTranslationUnit,
return parentSpelling;
}
static Utf8String getPropertyType(const char *const lineContents, uint propertyPosition)
static Utf8String getPropertyType(const CXSourceLocation &cxLocation,
CXTranslationUnit cxTranslationUnit,
uint propertyPosition)
{
#if defined(CINDEX_VERSION_HAS_GETFILECONTENTS_BACKPORTED) || CINDEX_VERSION_MINOR >= 47
// Extract property type from the source code
CXFile cxFile;
uint offset;
clang_getFileLocation(cxLocation, &cxFile, nullptr, nullptr, &offset);
const char *const contents = clang_getFileContents(cxTranslationUnit, cxFile, nullptr);
const char *const lineContents = &contents[offset - propertyPosition];
const char *typeStart = std::strstr(lineContents, "Q_PROPERTY") + 10;
typeStart += std::strspn(typeStart, "( \t\n\r");
if (typeStart - lineContents >= propertyPosition)
@@ -117,6 +127,12 @@ static Utf8String getPropertyType(const char *const lineContents, uint propertyP
Utils::unequalTo(' '));
return Utf8String(typeStart, static_cast<int>(&(*typeEnd) + 1 - typeStart));
#else
Q_UNUSED(cxLocation)
Q_UNUSED(cxTranslationUnit)
Q_UNUSED(propertyPosition)
return Utf8String();
#endif
}
void FullTokenInfo::updatePropertyData()
@@ -130,17 +146,9 @@ void FullTokenInfo::updatePropertyData()
m_extraInfo.cursorRange = range;
m_extraInfo.declaration = true;
m_extraInfo.definition = true;
#if defined(CINDEX_VERSION_HAS_GETFILECONTENTS_BACKPORTED) || CINDEX_VERSION_MINOR >= 47
// Extract property type from the source code
CXFile cxFile;
uint offset;
clang_getFileLocation(clang_getRangeStart(cxRange), &cxFile, nullptr, nullptr, &offset);
const uint propertyPosition = column() - 1;
const char *const contents = clang_getFileContents(m_cxTranslationUnit, cxFile, nullptr);
const char *const lineContents = &contents[offset - propertyPosition];
m_extraInfo.typeSpelling = getPropertyType(lineContents, propertyPosition);
#endif
m_extraInfo.typeSpelling = getPropertyType(clang_getRangeStart(cxRange),
m_cxTranslationUnit,
column() - 1);
}
void FullTokenInfo::identifierKind(const Cursor &cursor, Recursion recursion)