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Clang: Fix includes in the PCH creator

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We now distinguish between the the top external headers which are used for
the PCH and all external includes which are used for watching. Adding
indirect external includes can lead to errors because some are not
protected by a header guard.

Change-Id: I01576fcf1ad25e7a6e3efc252eabbd23d5c0e727
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>
This commit is contained in:
Marco Bubke
2018-03-28 16:00:10 +02:00
parent 4b97126d28
commit 789379a8e3
11 changed files with 136 additions and 45 deletions
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12
src/tools/clangpchmanagerbackend/source/pchcreator.cpp
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@@ -467,7 +467,7 @@ Utils::PathStringVector PchCreator::generateProjectPartHeaderAndSourcePaths(
return includeAndSources;
}
FilePathIds PchCreator::generateProjectPartPchIncludes(
std::pair<FilePathIds,FilePathIds> PchCreator::generateProjectPartPchIncludes(
const V2::ProjectPartContainer &projectPart) const
{
Utils::SmallString jointedFileContent = generateProjectPartHeaderAndSourcesContent(projectPart);
@@ -492,7 +492,7 @@ FilePathIds PchCreator::generateProjectPartPchIncludes(
jointFile->remove();
return collector.takeIncludeIds();
return {collector.takeIncludeIds(), collector.takeTopIncludeIds()};
}
Utils::SmallString PchCreator::generateProjectPathPchHeaderFilePath(
@@ -547,8 +547,10 @@ Utils::SmallStringVector PchCreator::generateProjectPartClangCompilerArguments(
IdPaths PchCreator::generateProjectPartPch(const V2::ProjectPartContainer &projectPart)
{
long long lastModified = QDateTime::currentSecsSinceEpoch();
auto includes = generateProjectPartPchIncludes(projectPart);
auto content = generatePchIncludeFileContent(includes);
FilePathIds allExternalIncludes;
FilePathIds topExternalIncludes;
std::tie(allExternalIncludes, topExternalIncludes) = generateProjectPartPchIncludes(projectPart);
auto content = generatePchIncludeFileContent(topExternalIncludes);
auto pchIncludeFilePath = generateProjectPathPchHeaderFilePath(projectPart);
auto pchFilePath = generateProjectPartPchFilePath(projectPart);
generateFileWithContent(pchIncludeFilePath, content);
@@ -556,7 +558,7 @@ IdPaths PchCreator::generateProjectPartPch(const V2::ProjectPartContainer &proje
generatePch(generateProjectPartClangCompilerArguments(projectPart),
{projectPart.projectPartId().clone(), std::move(pchFilePath), lastModified});
return {projectPart.projectPartId().clone(), std::move(includes)};
return {projectPart.projectPartId().clone(), std::move(allExternalIncludes)};
}
void PchCreator::generatePchs()