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CMakePM: Protect against accidental nullptr access

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Wizard summary page does not provide a list to put in failed
files, so ending up inside the build systems addFiles() may
pass in a nullptr. Guard against its access.

Change-Id: Ia858f8029b1b840cc341d87614576f2634b995dc
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
This commit is contained in:
Christian Stenger
2023-10-27 14:46:31 +02:00
parent 7891a7f5b4
commit 79becbaeac
1 changed files with 8 additions and 10 deletions
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18
src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
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@@ -272,6 +272,8 @@ static QString newFilesForFunction(const std::string &cmakeFunction,
bool CMakeBuildSystem::addFiles(Node *context, const FilePaths &filePaths, FilePaths *notAdded)
{
if (notAdded)
*notAdded = filePaths;
if (auto n = dynamic_cast<CMakeTargetNode *>(context)) {
const QString targetName = n->buildKey();
auto target = Utils::findOrDefault(buildTargets(),
@@ -279,10 +281,9 @@ bool CMakeBuildSystem::addFiles(Node *context, const FilePaths &filePaths, FileP
return target.title == targetName;
});
if (target.backtrace.isEmpty()) {
*notAdded = filePaths;
if (target.backtrace.isEmpty())
return false;
}
const FilePath targetCMakeFile = target.backtrace.last().path;
const int targetDefinitionLine = target.backtrace.last().line;
@@ -297,7 +298,6 @@ bool CMakeBuildSystem::addFiles(Node *context, const FilePaths &filePaths, FileP
if (!cmakeListFile.ParseString(fileContent->toStdString(),
targetCMakeFile.fileName().toStdString(),
errorString)) {
*notAdded = filePaths;
return false;
}
}
@@ -308,10 +308,8 @@ bool CMakeBuildSystem::addFiles(Node *context, const FilePaths &filePaths, FileP
return func.Line() == targetDefinitionLine;
});
if (function == cmakeListFile.Functions.end()) {
*notAdded = filePaths;
if (function == cmakeListFile.Functions.end())
return false;
}
// Special case: when qt_add_executable and qt_add_qml_module use the same target name
// then qt_add_qml_module function should be used
@@ -385,16 +383,16 @@ bool CMakeBuildSystem::addFiles(Node *context, const FilePaths &filePaths, FileP
Core::EditorManager::openEditorAt({targetCMakeFile, line, column + extraChars},
Constants::CMAKE_EDITOR_ID,
Core::EditorManager::DoNotMakeVisible));
if (!editor) {
*notAdded = filePaths;
if (!editor)
return false;
}
editor->insert(snippet);
editor->editorWidget()->autoIndent();
if (!Core::DocumentManager::saveDocument(editor->document()))
return false;
if (notAdded)
notAdded->clear();
return true;
}