@Override
protected String stubTreeAndIndexDoNotMatch(
StubTree stubTree,
PsiFileWithStubSupport psiFile,
List<StubElement<?>> plained,
VirtualFile virtualFile,
StubTree stubTreeFromIndex) {
String details = "Please report the problem to JetBrains with the file attached";
details += "\npsiFile" + psiFile;
details += "\npsiFile.class" + psiFile.getClass();
details += "\npsiFile.lang" + psiFile.getLanguage();
String fileText = psiFile instanceof PsiCompiledElement ? "compiled" : psiFile.getText();
return LogMessageEx.createEvent(
"PSI and index do not match",
details,
new Attachment(
virtualFile != null ? virtualFile.getPath() + "_file.txt" : "vFile.txt", fileText),
new Attachment("stubTree.txt", ((PsiFileStubImpl) stubTree.getRoot()).printTree()),
new Attachment(
"stubTreeFromIndex.txt",
stubTreeFromIndex == null
? "null"
: ((PsiFileStubImpl) stubTreeFromIndex.getRoot()).printTree()))
.toString();
}
@Nullable
public static PsiElement restoreFromStubIndex(
PsiFileWithStubSupport fileImpl,
int index,
@NotNull IStubElementType elementType,
boolean throwIfNull) {
if (fileImpl == null) {
if (throwIfNull) throw new AssertionError("Null file");
return null;
}
StubTree tree = fileImpl.getStubTree();
boolean foreign = tree == null;
if (foreign) {
if (fileImpl instanceof PsiFileImpl) {
// Note: as far as this is a realization of StubIndexReference
// fileImpl#getContentElementType() must be instance of IStubFileElementType
tree = ((PsiFileImpl) fileImpl).calcStubTree();
} else {
if (throwIfNull) throw new AssertionError("Not PsiFileImpl: " + fileImpl.getClass());
return null;
}
}
List<StubElement<?>> list = tree.getPlainList();
if (index >= list.size()) {
if (throwIfNull) throw new AssertionError("Too large index: " + index + ">=" + list.size());
return null;
}
StubElement stub = list.get(index);
if (stub.getStubType() != elementType) {
if (throwIfNull)
throw new AssertionError(
"Element type mismatch: " + stub.getStubType() + "!=" + elementType);
return null;
}
if (foreign) {
final PsiElement cachedPsi = ((StubBase) stub).getCachedPsi();
if (cachedPsi != null) return cachedPsi;
final ASTNode ast = fileImpl.findTreeForStub(tree, stub);
if (ast != null) {
return ast.getPsi();
}
if (throwIfNull) throw new AssertionError("No AST for stub");
return null;
}
return stub.getPsi();
}
// will restore by stub index until file tree get loaded
AnchorElementInfo(
@NotNull PsiElement anchor,
@NotNull PsiFileWithStubSupport containingFile,
int stubId,
@NotNull IStubElementType stubElementType) {
super(
containingFile.getProject(),
new ProperTextRange(0, 0),
anchor.getClass(),
containingFile,
containingFile.getLanguage());
myStubElementTypeAndId = pack(stubId, stubElementType);
assert !(anchor instanceof PsiFile) : "FileElementInfo must be used for file: " + anchor;
}
