private List<Pair<StubBasedPsiElementBase, CompositeElement>> calcStubAstBindings( final ASTNode root, final Document cachedDocument) { final StubTree stubTree = derefStub(); if (stubTree == null) { return Collections.emptyList(); } final Iterator<StubElement<?>> stubs = stubTree.getPlainList().iterator(); stubs.next(); // Skip file stub; final List<Pair<StubBasedPsiElementBase, CompositeElement>> result = ContainerUtil.newArrayList(); final StubBuilder builder = ((IStubFileElementType) getContentElementType()).getBuilder(); LazyParseableElement.setSuppressEagerPsiCreation(true); try { ((TreeElement) root) .acceptTree( new RecursiveTreeElementWalkingVisitor() { @Override protected void visitNode(TreeElement node) { CompositeElement parent = node.getTreeParent(); if (parent != null && builder.skipChildProcessingWhenBuildingStubs(parent, node)) { return; } IElementType type = node.getElementType(); if (type instanceof IStubElementType && ((IStubElementType) type).shouldCreateStub(node)) { if (!stubs.hasNext()) { reportStubAstMismatch( "Stub list is less than AST, last AST element: " + node.getElementType() + " " + node, stubTree, cachedDocument); } final StubElement stub = stubs.next(); if (stub.getStubType() != node.getElementType()) { reportStubAstMismatch( "Stub and PSI element type mismatch in " + getName() + ": stub " + stub + ", AST " + node.getElementType() + "; " + node, stubTree, cachedDocument); } PsiElement psi = stub.getPsi(); assert psi != null : "Stub " + stub + " (" + stub.getClass() + ") has returned null PSI"; result.add(Pair.create((StubBasedPsiElementBase) psi, (CompositeElement) node)); } super.visitNode(node); } }); } finally { LazyParseableElement.setSuppressEagerPsiCreation(false); } if (stubs.hasNext()) { reportStubAstMismatch( "Stub list in " + getName() + " has more elements than PSI", stubTree, cachedDocument); } return result; }