IStatus performNavigation(IProgressMonitor monitor) throws CoreException {
fAction.clearStatusLine();
assert fIndex == null;
if (fIndex != null) return Status.CANCEL_STATUS;
fMonitor = monitor;
fIndex =
CCorePlugin.getIndexManager()
.getIndex(
fTranslationUnit.getCProject(),
IIndexManager.ADD_DEPENDENCIES | IIndexManager.ADD_DEPENDENT);
try {
fIndex.acquireReadLock();
} catch (InterruptedException e) {
return Status.CANCEL_STATUS;
}
try {
return ASTProvider.getASTProvider()
.runOnAST(fTranslationUnit, ASTProvider.WAIT_ACTIVE_ONLY, monitor, this);
} finally {
fIndex.releaseReadLock();
}
}
