Function addImplementationReferences

test/fixtures/snapshot/typescript.js:138440–138487

(refNode, addReference, state)

                getReferencesInContainerOrFiles(classSymbol, state, search);
            }
            function addImplementationReferences(refNode, addReference, state) {
                // Check if we found a function/propertyAssignment/method with an implementation or initializer
                if (ts.isDeclarationName(refNode) && isImplementation(refNode.parent)) {
                    addReference(refNode);
                    return;
                }
                if (refNode.kind !== 79 /* SyntaxKind.Identifier */) {
                    return;
                }
                if (refNode.parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) {
                    // Go ahead and dereference the shorthand assignment by going to its definition
                    getReferenceEntriesForShorthandPropertyAssignment(refNode, state.checker, addReference);
                }
                // Check if the node is within an extends or implements clause
                var containingClass = getContainingClassIfInHeritageClause(refNode);
                if (containingClass) {
                    addReference(containingClass);
                    return;
                }
                // If we got a type reference, try and see if the reference applies to any expressions that can implement an interface
                // Find the first node whose parent isn't a type node -- i.e., the highest type node.
                var typeNode = ts.findAncestor(refNode, function (a) { return !ts.isQualifiedName(a.parent) && !ts.isTypeNode(a.parent) && !ts.isTypeElement(a.parent); });
                var typeHavingNode = typeNode.parent;
                if (ts.hasType(typeHavingNode) && typeHavingNode.type === typeNode && state.markSeenContainingTypeReference(typeHavingNode)) {
                    if (ts.hasInitializer(typeHavingNode)) {
                        addIfImplementation(typeHavingNode.initializer);
                    }
                    else if (ts.isFunctionLike(typeHavingNode) && typeHavingNode.body) {
                        var body = typeHavingNode.body;
                        if (body.kind === 235 /* SyntaxKind.Block */) {
                            ts.forEachReturnStatement(body, function (returnStatement) {
                                if (returnStatement.expression)
                                    addIfImplementation(returnStatement.expression);
                            });
                        }
                        else {
                            addIfImplementation(body);
                        }
                    }
                    else if (ts.isAssertionExpression(typeHavingNode)) {
                        addIfImplementation(typeHavingNode.expression);
                    }
                }
                function addIfImplementation(e) {
                    if (isImplementationExpression(e))
                        addReference(e);
                }
            }
            function getContainingClassIfInHeritageClause(node) {
                return ts.isIdentifier(node) || ts.isPropertyAccessExpression(node) ? getContainingClassIfInHeritageClause(node.parent)
                    : ts.isExpressionWithTypeArguments(node) ? ts.tryCast(node.parent.parent, ts.isClassLike) : undefined;