private void doTest() throws Exception {
PsiPolyVariantReference reference =
(PsiPolyVariantReference) configureByFile(getTestName(true) + ".kt");
PsiElement resolved = reference.resolve();
assertNotNull(resolved);
assertEquals(1, reference.multiResolve(false).length);
List<PsiComment> comments = PsiTreeUtil.getChildrenOfTypeAsList(getFile(), PsiComment.class);
String[] expectedTarget = comments.get(comments.size() - 1).getText().substring(2).split(":");
assertEquals(2, expectedTarget.length);
String expectedFile = expectedTarget[0];
String expectedName = expectedTarget[1];
PsiFile targetFile = resolved.getContainingFile();
PsiDirectory targetDir = targetFile.getParent();
assertNotNull(targetDir);
assertEquals(expectedFile, targetDir.getName() + "/" + targetFile.getName());
assertInstanceOf(resolved, PsiNamedElement.class);
assertEquals(expectedName, ((PsiNamedElement) resolved).getName());
}
@Override
public void visitPyReferenceExpression(final PyReferenceExpression node) {
if (node.getContainingFile() instanceof PyExpressionCodeFragment) {
return;
}
// Ignore global statements arguments
if (PyGlobalStatementNavigator.getByArgument(node) != null) {
return;
}
// Ignore qualifier inspections
if (node.getQualifier() != null) {
return;
}
// Ignore import subelements
if (PsiTreeUtil.getParentOfType(node, PyImportStatementBase.class) != null) {
return;
}
final String name = node.getReferencedName();
if (name == null) {
return;
}
final ScopeOwner owner = ScopeUtil.getDeclarationScopeOwner(node, name);
final Set<ScopeOwner> largeFunctions = getSession().getUserData(LARGE_FUNCTIONS_KEY);
assert largeFunctions != null;
if (owner == null || largeFunctions.contains(owner)) {
return;
}
// Ignore references declared in outer scopes
if (owner != ScopeUtil.getScopeOwner(node)) {
return;
}
final Scope scope = ControlFlowCache.getScope(owner);
// Ignore globals and if scope even doesn't contain such a declaration
if (scope.isGlobal(name) || (!scope.containsDeclaration(name))) {
return;
}
// Start DFA from the assignment statement in case of augmented assignments
final PsiElement anchor;
final PyAugAssignmentStatement augAssignment =
PsiTreeUtil.getParentOfType(node, PyAugAssignmentStatement.class);
if (augAssignment != null && name.equals(augAssignment.getTarget().getName())) {
anchor = augAssignment;
} else {
anchor = node;
}
final ScopeVariable variable;
try {
variable = scope.getDeclaredVariable(anchor, name);
} catch (DFALimitExceededException e) {
largeFunctions.add(owner);
registerLargeFunction(owner);
return;
}
if (variable == null) {
if (!isFirstUnboundRead(node, owner)) {
return;
}
final PsiPolyVariantReference ref = node.getReference(resolveWithoutImplicits());
if (ref == null) {
return;
}
final PsiElement resolved = ref.resolve();
final boolean isBuiltin = PyBuiltinCache.getInstance(node).hasInBuiltins(resolved);
if (owner instanceof PyClass) {
if (isBuiltin || ScopeUtil.getDeclarationScopeOwner(owner, name) != null) {
return;
}
}
if (PyUnreachableCodeInspection.hasAnyInterruptedControlFlowPaths(node)) {
return;
}
if (owner instanceof PyFile) {
if (isBuiltin) {
return;
}
if (resolved != null && !PyUtil.inSameFile(node, resolved)) {
return;
}
registerProblem(node, PyBundle.message("INSP.unbound.name.not.defined", name));
} else {
registerProblem(
node,
PyBundle.message("INSP.unbound.local.variable", node.getName()),
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
null,
new AddGlobalQuickFix());
}
}
}
