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2334 lines (2099 loc) · 96.6 KB
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/// <reference path="..\compiler\commandLineParser.ts" />
/// <reference path="..\services\services.ts" />
/// <reference path="protocol.d.ts" />
/// <reference path="session.ts" />
namespace ts.server {
export interface Logger {
close(): void;
isVerbose(): boolean;
loggingEnabled(): boolean;
perftrc(s: string): void;
info(s: string): void;
startGroup(): void;
endGroup(): void;
msg(s: string, type?: string): void;
}
const lineCollectionCapacity = 4;
function mergeFormatOptions(formatCodeOptions: FormatCodeOptions, formatOptions: protocol.FormatOptions): void {
const hasOwnProperty = Object.prototype.hasOwnProperty;
Object.keys(formatOptions).forEach((key) => {
const codeKey = key.charAt(0).toUpperCase() + key.substring(1);
if (hasOwnProperty.call(formatCodeOptions, codeKey)) {
formatCodeOptions[codeKey] = formatOptions[key];
}
});
}
export class ScriptInfo {
svc: ScriptVersionCache;
children: ScriptInfo[] = []; // files referenced by this file
defaultProject: Project; // project to use by default for file
fileWatcher: FileWatcher;
formatCodeOptions = ts.clone(CompilerService.defaultFormatCodeOptions);
path: Path;
scriptKind: ScriptKind;
constructor(private host: ServerHost, public fileName: string, public content: string, public isOpen = false) {
this.path = toPath(fileName, host.getCurrentDirectory(), createGetCanonicalFileName(host.useCaseSensitiveFileNames));
this.svc = ScriptVersionCache.fromString(host, content);
}
setFormatOptions(formatOptions: protocol.FormatOptions): void {
if (formatOptions) {
mergeFormatOptions(this.formatCodeOptions, formatOptions);
}
}
close() {
this.isOpen = false;
}
addChild(childInfo: ScriptInfo) {
this.children.push(childInfo);
}
snap() {
return this.svc.getSnapshot();
}
getText() {
const snap = this.snap();
return snap.getText(0, snap.getLength());
}
getLineInfo(line: number) {
const snap = this.snap();
return snap.index.lineNumberToInfo(line);
}
editContent(start: number, end: number, newText: string): void {
this.svc.edit(start, end - start, newText);
}
getTextChangeRangeBetweenVersions(startVersion: number, endVersion: number): ts.TextChangeRange {
return this.svc.getTextChangesBetweenVersions(startVersion, endVersion);
}
getChangeRange(oldSnapshot: ts.IScriptSnapshot): ts.TextChangeRange {
return this.snap().getChangeRange(oldSnapshot);
}
}
interface Timestamped {
lastCheckTime?: number;
}
interface TimestampedResolvedModule extends ResolvedModuleWithFailedLookupLocations, Timestamped {
}
interface TimestampedResolvedTypeReferenceDirective extends ResolvedTypeReferenceDirectiveWithFailedLookupLocations, Timestamped {
}
export class LSHost implements ts.LanguageServiceHost {
ls: ts.LanguageService;
compilationSettings: ts.CompilerOptions;
filenameToScript: ts.FileMap<ScriptInfo>;
roots: ScriptInfo[] = [];
private resolvedModuleNames: ts.FileMap<Map<TimestampedResolvedModule>>;
private resolvedTypeReferenceDirectives: ts.FileMap<Map<TimestampedResolvedTypeReferenceDirective>>;
private moduleResolutionHost: ts.ModuleResolutionHost;
private getCanonicalFileName: (fileName: string) => string;
constructor(public host: ServerHost, public project: Project) {
this.getCanonicalFileName = createGetCanonicalFileName(host.useCaseSensitiveFileNames);
this.resolvedModuleNames = createFileMap<Map<TimestampedResolvedModule>>();
this.resolvedTypeReferenceDirectives = createFileMap<Map<TimestampedResolvedTypeReferenceDirective>>();
this.filenameToScript = createFileMap<ScriptInfo>();
this.moduleResolutionHost = {
fileExists: fileName => this.fileExists(fileName),
readFile: fileName => this.host.readFile(fileName),
directoryExists: directoryName => this.host.directoryExists(directoryName)
};
}
private resolveNamesWithLocalCache<T extends Timestamped & { failedLookupLocations: string[] }, R>(
names: string[],
containingFile: string,
cache: ts.FileMap<Map<T>>,
loader: (name: string, containingFile: string, options: CompilerOptions, host: ModuleResolutionHost) => T,
getResult: (s: T) => R): R[] {
const path = toPath(containingFile, this.host.getCurrentDirectory(), this.getCanonicalFileName);
const currentResolutionsInFile = cache.get(path);
const newResolutions: Map<T> = {};
const resolvedModules: R[] = [];
const compilerOptions = this.getCompilationSettings();
for (const name of names) {
// check if this is a duplicate entry in the list
let resolution = lookUp(newResolutions, name);
if (!resolution) {
const existingResolution = currentResolutionsInFile && ts.lookUp(currentResolutionsInFile, name);
if (moduleResolutionIsValid(existingResolution)) {
// ok, it is safe to use existing name resolution results
resolution = existingResolution;
}
else {
resolution = loader(name, containingFile, compilerOptions, this.moduleResolutionHost);
resolution.lastCheckTime = Date.now();
newResolutions[name] = resolution;
}
}
ts.Debug.assert(resolution !== undefined);
resolvedModules.push(getResult(resolution));
}
// replace old results with a new one
cache.set(path, newResolutions);
return resolvedModules;
function moduleResolutionIsValid(resolution: T): boolean {
if (!resolution) {
return false;
}
if (getResult(resolution)) {
// TODO: consider checking failedLookupLocations
// TODO: use lastCheckTime to track expiration for module name resolution
return true;
}
// consider situation if we have no candidate locations as valid resolution.
// after all there is no point to invalidate it if we have no idea where to look for the module.
return resolution.failedLookupLocations.length === 0;
}
}
resolveTypeReferenceDirectives(typeDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[] {
return this.resolveNamesWithLocalCache(typeDirectiveNames, containingFile, this.resolvedTypeReferenceDirectives, resolveTypeReferenceDirective, m => m.resolvedTypeReferenceDirective);
}
resolveModuleNames(moduleNames: string[], containingFile: string): ResolvedModule[] {
return this.resolveNamesWithLocalCache(moduleNames, containingFile, this.resolvedModuleNames, resolveModuleName, m => m.resolvedModule);
}
getDefaultLibFileName() {
const nodeModuleBinDir = ts.getDirectoryPath(ts.normalizePath(this.host.getExecutingFilePath()));
return ts.combinePaths(nodeModuleBinDir, ts.getDefaultLibFileName(this.compilationSettings));
}
getScriptSnapshot(filename: string): ts.IScriptSnapshot {
const scriptInfo = this.getScriptInfo(filename);
if (scriptInfo) {
return scriptInfo.snap();
}
}
setCompilationSettings(opt: ts.CompilerOptions) {
this.compilationSettings = opt;
// conservatively assume that changing compiler options might affect module resolution strategy
this.resolvedModuleNames.clear();
this.resolvedTypeReferenceDirectives.clear();
}
lineAffectsRefs(filename: string, line: number) {
const info = this.getScriptInfo(filename);
const lineInfo = info.getLineInfo(line);
if (lineInfo && lineInfo.text) {
const regex = /reference|import|\/\*|\*\//;
return regex.test(lineInfo.text);
}
}
getCompilationSettings() {
// change this to return active project settings for file
return this.compilationSettings;
}
getScriptFileNames() {
return this.roots.map(root => root.fileName);
}
getScriptKind(fileName: string) {
const info = this.getScriptInfo(fileName);
if (!info) {
return undefined;
}
if (!info.scriptKind) {
info.scriptKind = getScriptKindFromFileName(fileName);
}
return info.scriptKind;
}
getScriptVersion(filename: string) {
return this.getScriptInfo(filename).svc.latestVersion().toString();
}
getCurrentDirectory(): string {
return "";
}
getScriptIsOpen(filename: string) {
return this.getScriptInfo(filename).isOpen;
}
removeReferencedFile(info: ScriptInfo) {
if (!info.isOpen) {
this.filenameToScript.remove(info.path);
this.resolvedModuleNames.remove(info.path);
this.resolvedTypeReferenceDirectives.remove(info.path);
}
}
getScriptInfo(filename: string): ScriptInfo {
const path = toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName);
let scriptInfo = this.filenameToScript.get(path);
if (!scriptInfo) {
scriptInfo = this.project.openReferencedFile(filename);
if (scriptInfo) {
this.filenameToScript.set(path, scriptInfo);
}
}
return scriptInfo;
}
addRoot(info: ScriptInfo) {
if (!this.filenameToScript.contains(info.path)) {
this.filenameToScript.set(info.path, info);
this.roots.push(info);
}
}
removeRoot(info: ScriptInfo) {
if (!this.filenameToScript.contains(info.path)) {
this.filenameToScript.remove(info.path);
this.roots = copyListRemovingItem(info, this.roots);
this.resolvedModuleNames.remove(info.path);
this.resolvedTypeReferenceDirectives.remove(info.path);
}
}
saveTo(filename: string, tmpfilename: string) {
const script = this.getScriptInfo(filename);
if (script) {
const snap = script.snap();
this.host.writeFile(tmpfilename, snap.getText(0, snap.getLength()));
}
}
reloadScript(filename: string, tmpfilename: string, cb: () => any) {
const script = this.getScriptInfo(filename);
if (script) {
script.svc.reloadFromFile(tmpfilename, cb);
}
}
editScript(filename: string, start: number, end: number, newText: string) {
const script = this.getScriptInfo(filename);
if (script) {
script.editContent(start, end, newText);
return;
}
throw new Error("No script with name '" + filename + "'");
}
resolvePath(path: string): string {
const result = this.host.resolvePath(path);
return result;
}
fileExists(path: string): boolean {
const result = this.host.fileExists(path);
return result;
}
directoryExists(path: string): boolean {
return this.host.directoryExists(path);
}
/**
* @param line 1 based index
*/
lineToTextSpan(filename: string, line: number): ts.TextSpan {
const path = toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName);
const script: ScriptInfo = this.filenameToScript.get(path);
const index = script.snap().index;
const lineInfo = index.lineNumberToInfo(line + 1);
let len: number;
if (lineInfo.leaf) {
len = lineInfo.leaf.text.length;
}
else {
const nextLineInfo = index.lineNumberToInfo(line + 2);
len = nextLineInfo.offset - lineInfo.offset;
}
return ts.createTextSpan(lineInfo.offset, len);
}
/**
* @param line 1 based index
* @param offset 1 based index
*/
lineOffsetToPosition(filename: string, line: number, offset: number): number {
const path = toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName);
const script: ScriptInfo = this.filenameToScript.get(path);
const index = script.snap().index;
const lineInfo = index.lineNumberToInfo(line);
// TODO: assert this offset is actually on the line
return (lineInfo.offset + offset - 1);
}
/**
* @param line 1-based index
* @param offset 1-based index
*/
positionToLineOffset(filename: string, position: number): ILineInfo {
const path = toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName);
const script: ScriptInfo = this.filenameToScript.get(path);
const index = script.snap().index;
const lineOffset = index.charOffsetToLineNumberAndPos(position);
return { line: lineOffset.line, offset: lineOffset.offset + 1 };
}
}
export interface ProjectOptions {
// these fields can be present in the project file
files?: string[];
compilerOptions?: ts.CompilerOptions;
}
export class Project {
compilerService: CompilerService;
projectFilename: string;
projectFileWatcher: FileWatcher;
directoryWatcher: FileWatcher;
// Used to keep track of what directories are watched for this project
directoriesWatchedForTsconfig: string[] = [];
program: ts.Program;
filenameToSourceFile: ts.Map<ts.SourceFile> = {};
updateGraphSeq = 0;
/** Used for configured projects which may have multiple open roots */
openRefCount = 0;
constructor(public projectService: ProjectService, public projectOptions?: ProjectOptions) {
if (projectOptions && projectOptions.files) {
// If files are listed explicitly, allow all extensions
projectOptions.compilerOptions.allowNonTsExtensions = true;
}
this.compilerService = new CompilerService(this, projectOptions && projectOptions.compilerOptions);
}
addOpenRef() {
this.openRefCount++;
}
deleteOpenRef() {
this.openRefCount--;
return this.openRefCount;
}
openReferencedFile(filename: string) {
return this.projectService.openFile(filename, /*openedByClient*/ false);
}
getRootFiles() {
return this.compilerService.host.roots.map(info => info.fileName);
}
getFileNames() {
const sourceFiles = this.program.getSourceFiles();
return sourceFiles.map(sourceFile => sourceFile.fileName);
}
getSourceFile(info: ScriptInfo) {
return this.filenameToSourceFile[info.fileName];
}
getSourceFileFromName(filename: string, requireOpen?: boolean) {
const info = this.projectService.getScriptInfo(filename);
if (info) {
if ((!requireOpen) || info.isOpen) {
return this.getSourceFile(info);
}
}
}
isRoot(info: ScriptInfo) {
return this.compilerService.host.roots.some(root => root === info);
}
removeReferencedFile(info: ScriptInfo) {
this.compilerService.host.removeReferencedFile(info);
this.updateGraph();
}
updateFileMap() {
this.filenameToSourceFile = {};
const sourceFiles = this.program.getSourceFiles();
for (let i = 0, len = sourceFiles.length; i < len; i++) {
const normFilename = ts.normalizePath(sourceFiles[i].fileName);
this.filenameToSourceFile[normFilename] = sourceFiles[i];
}
}
finishGraph() {
this.updateGraph();
this.compilerService.languageService.getNavigateToItems(".*");
}
updateGraph() {
this.program = this.compilerService.languageService.getProgram();
this.updateFileMap();
}
isConfiguredProject() {
return this.projectFilename;
}
// add a root file to project
addRoot(info: ScriptInfo) {
this.compilerService.host.addRoot(info);
}
// remove a root file from project
removeRoot(info: ScriptInfo) {
this.compilerService.host.removeRoot(info);
}
filesToString() {
let strBuilder = "";
ts.forEachValue(this.filenameToSourceFile,
sourceFile => { strBuilder += sourceFile.fileName + "\n"; });
return strBuilder;
}
setProjectOptions(projectOptions: ProjectOptions) {
this.projectOptions = projectOptions;
if (projectOptions.compilerOptions) {
projectOptions.compilerOptions.allowNonTsExtensions = true;
this.compilerService.setCompilerOptions(projectOptions.compilerOptions);
}
}
}
export interface ProjectOpenResult {
success?: boolean;
errorMsg?: string;
project?: Project;
}
function copyListRemovingItem<T>(item: T, list: T[]) {
const copiedList: T[] = [];
for (let i = 0, len = list.length; i < len; i++) {
if (list[i] != item) {
copiedList.push(list[i]);
}
}
return copiedList;
}
/**
* This helper funciton processes a list of projects and return the concatenated, sortd and deduplicated output of processing each project.
*/
export function combineProjectOutput<T>(projects: Project[], action: (project: Project) => T[], comparer?: (a: T, b: T) => number, areEqual?: (a: T, b: T) => boolean) {
const result = projects.reduce<T[]>((previous, current) => concatenate(previous, action(current)), []).sort(comparer);
return projects.length > 1 ? deduplicate(result, areEqual) : result;
}
export interface ProjectServiceEventHandler {
(eventName: string, project: Project, fileName: string): void;
}
export interface HostConfiguration {
formatCodeOptions: ts.FormatCodeOptions;
hostInfo: string;
}
export class ProjectService {
filenameToScriptInfo: ts.Map<ScriptInfo> = {};
// open, non-configured root files
openFileRoots: ScriptInfo[] = [];
// projects built from openFileRoots
inferredProjects: Project[] = [];
// projects specified by a tsconfig.json file
configuredProjects: Project[] = [];
// open files referenced by a project
openFilesReferenced: ScriptInfo[] = [];
// open files that are roots of a configured project
openFileRootsConfigured: ScriptInfo[] = [];
// a path to directory watcher map that detects added tsconfig files
directoryWatchersForTsconfig: ts.Map<FileWatcher> = {};
// count of how many projects are using the directory watcher. If the
// number becomes 0 for a watcher, then we should close it.
directoryWatchersRefCount: ts.Map<number> = {};
hostConfiguration: HostConfiguration;
timerForDetectingProjectFileListChanges: Map<NodeJS.Timer> = {};
constructor(public host: ServerHost, public psLogger: Logger, public eventHandler?: ProjectServiceEventHandler) {
// ts.disableIncrementalParsing = true;
this.addDefaultHostConfiguration();
}
addDefaultHostConfiguration() {
this.hostConfiguration = {
formatCodeOptions: ts.clone(CompilerService.defaultFormatCodeOptions),
hostInfo: "Unknown host"
};
}
getFormatCodeOptions(file?: string) {
if (file) {
const info = this.filenameToScriptInfo[file];
if (info) {
return info.formatCodeOptions;
}
}
return this.hostConfiguration.formatCodeOptions;
}
watchedFileChanged(fileName: string) {
const info = this.filenameToScriptInfo[fileName];
if (!info) {
this.psLogger.info("Error: got watch notification for unknown file: " + fileName);
}
if (!this.host.fileExists(fileName)) {
// File was deleted
this.fileDeletedInFilesystem(info);
}
else {
if (info && (!info.isOpen)) {
info.svc.reloadFromFile(info.fileName);
}
}
}
/**
* This is the callback function when a watched directory has added or removed source code files.
* @param project the project that associates with this directory watcher
* @param fileName the absolute file name that changed in watched directory
*/
directoryWatchedForSourceFilesChanged(project: Project, fileName: string) {
// If a change was made inside "folder/file", node will trigger the callback twice:
// one with the fileName being "folder/file", and the other one with "folder".
// We don't respond to the second one.
if (fileName && !ts.isSupportedSourceFileName(fileName, project.projectOptions ? project.projectOptions.compilerOptions : undefined)) {
return;
}
this.log("Detected source file changes: " + fileName);
this.startTimerForDetectingProjectFileListChanges(project);
}
startTimerForDetectingProjectFileListChanges(project: Project) {
if (this.timerForDetectingProjectFileListChanges[project.projectFilename]) {
clearTimeout(this.timerForDetectingProjectFileListChanges[project.projectFilename]);
}
this.timerForDetectingProjectFileListChanges[project.projectFilename] = setTimeout(
() => this.handleProjectFileListChanges(project),
250
);
}
handleProjectFileListChanges(project: Project) {
const { projectOptions } = this.configFileToProjectOptions(project.projectFilename);
const newRootFiles = projectOptions.files.map((f => this.getCanonicalFileName(f)));
const currentRootFiles = project.getRootFiles().map((f => this.getCanonicalFileName(f)));
// We check if the project file list has changed. If so, we update the project.
if (!arrayIsEqualTo(currentRootFiles && currentRootFiles.sort(), newRootFiles && newRootFiles.sort())) {
// For configured projects, the change is made outside the tsconfig file, and
// it is not likely to affect the project for other files opened by the client. We can
// just update the current project.
this.updateConfiguredProject(project);
// Call updateProjectStructure to clean up inferred projects we may have
// created for the new files
this.updateProjectStructure();
}
}
/**
* This is the callback function when a watched directory has an added tsconfig file.
*/
directoryWatchedForTsconfigChanged(fileName: string) {
if (ts.getBaseFileName(fileName) != "tsconfig.json") {
this.log(fileName + " is not tsconfig.json");
return;
}
this.log("Detected newly added tsconfig file: " + fileName);
const { projectOptions } = this.configFileToProjectOptions(fileName);
const rootFilesInTsconfig = projectOptions.files.map(f => this.getCanonicalFileName(f));
const openFileRoots = this.openFileRoots.map(s => this.getCanonicalFileName(s.fileName));
// We should only care about the new tsconfig file if it contains any
// opened root files of existing inferred projects
for (const openFileRoot of openFileRoots) {
if (rootFilesInTsconfig.indexOf(openFileRoot) >= 0) {
this.reloadProjects();
return;
}
}
}
getCanonicalFileName(fileName: string) {
const name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
return ts.normalizePath(name);
}
watchedProjectConfigFileChanged(project: Project) {
this.log("Config file changed: " + project.projectFilename);
this.updateConfiguredProject(project);
this.updateProjectStructure();
}
log(msg: string, type = "Err") {
this.psLogger.msg(msg, type);
}
setHostConfiguration(args: ts.server.protocol.ConfigureRequestArguments) {
if (args.file) {
const info = this.filenameToScriptInfo[args.file];
if (info) {
info.setFormatOptions(args.formatOptions);
this.log("Host configuration update for file " + args.file, "Info");
}
}
else {
if (args.hostInfo !== undefined) {
this.hostConfiguration.hostInfo = args.hostInfo;
this.log("Host information " + args.hostInfo, "Info");
}
if (args.formatOptions) {
mergeFormatOptions(this.hostConfiguration.formatCodeOptions, args.formatOptions);
this.log("Format host information updated", "Info");
}
}
}
closeLog() {
this.psLogger.close();
}
createInferredProject(root: ScriptInfo) {
const project = new Project(this);
project.addRoot(root);
let currentPath = ts.getDirectoryPath(root.fileName);
let parentPath = ts.getDirectoryPath(currentPath);
while (currentPath != parentPath) {
if (!project.projectService.directoryWatchersForTsconfig[currentPath]) {
this.log("Add watcher for: " + currentPath);
project.projectService.directoryWatchersForTsconfig[currentPath] =
this.host.watchDirectory(currentPath, fileName => this.directoryWatchedForTsconfigChanged(fileName));
project.projectService.directoryWatchersRefCount[currentPath] = 1;
}
else {
project.projectService.directoryWatchersRefCount[currentPath] += 1;
}
project.directoriesWatchedForTsconfig.push(currentPath);
currentPath = parentPath;
parentPath = ts.getDirectoryPath(parentPath);
}
project.finishGraph();
this.inferredProjects.push(project);
return project;
}
fileDeletedInFilesystem(info: ScriptInfo) {
this.psLogger.info(info.fileName + " deleted");
if (info.fileWatcher) {
info.fileWatcher.close();
info.fileWatcher = undefined;
}
if (!info.isOpen) {
this.filenameToScriptInfo[info.fileName] = undefined;
const referencingProjects = this.findReferencingProjects(info);
if (info.defaultProject) {
info.defaultProject.removeRoot(info);
}
for (let i = 0, len = referencingProjects.length; i < len; i++) {
referencingProjects[i].removeReferencedFile(info);
}
for (let j = 0, flen = this.openFileRoots.length; j < flen; j++) {
const openFile = this.openFileRoots[j];
if (this.eventHandler) {
this.eventHandler("context", openFile.defaultProject, openFile.fileName);
}
}
for (let j = 0, flen = this.openFilesReferenced.length; j < flen; j++) {
const openFile = this.openFilesReferenced[j];
if (this.eventHandler) {
this.eventHandler("context", openFile.defaultProject, openFile.fileName);
}
}
}
this.printProjects();
}
updateConfiguredProjectList() {
const configuredProjects: Project[] = [];
for (let i = 0, len = this.configuredProjects.length; i < len; i++) {
if (this.configuredProjects[i].openRefCount > 0) {
configuredProjects.push(this.configuredProjects[i]);
}
}
this.configuredProjects = configuredProjects;
}
removeProject(project: Project) {
this.log("remove project: " + project.getRootFiles().toString());
if (project.isConfiguredProject()) {
project.projectFileWatcher.close();
project.directoryWatcher.close();
this.configuredProjects = copyListRemovingItem(project, this.configuredProjects);
}
else {
for (const directory of project.directoriesWatchedForTsconfig) {
// if the ref count for this directory watcher drops to 0, it's time to close it
project.projectService.directoryWatchersRefCount[directory]--;
if (!project.projectService.directoryWatchersRefCount[directory]) {
this.log("Close directory watcher for: " + directory);
project.projectService.directoryWatchersForTsconfig[directory].close();
delete project.projectService.directoryWatchersForTsconfig[directory];
}
}
this.inferredProjects = copyListRemovingItem(project, this.inferredProjects);
}
const fileNames = project.getFileNames();
for (const fileName of fileNames) {
const info = this.getScriptInfo(fileName);
if (info.defaultProject == project) {
info.defaultProject = undefined;
}
}
}
setConfiguredProjectRoot(info: ScriptInfo) {
for (let i = 0, len = this.configuredProjects.length; i < len; i++) {
const configuredProject = this.configuredProjects[i];
if (configuredProject.isRoot(info)) {
info.defaultProject = configuredProject;
configuredProject.addOpenRef();
return true;
}
}
return false;
}
addOpenFile(info: ScriptInfo) {
if (this.setConfiguredProjectRoot(info)) {
this.openFileRootsConfigured.push(info);
}
else {
this.findReferencingProjects(info);
if (info.defaultProject) {
this.openFilesReferenced.push(info);
}
else {
// create new inferred project p with the newly opened file as root
info.defaultProject = this.createInferredProject(info);
const openFileRoots: ScriptInfo[] = [];
// for each inferred project root r
for (let i = 0, len = this.openFileRoots.length; i < len; i++) {
const r = this.openFileRoots[i];
// if r referenced by the new project
if (info.defaultProject.getSourceFile(r)) {
// remove project rooted at r
this.removeProject(r.defaultProject);
// put r in referenced open file list
this.openFilesReferenced.push(r);
// set default project of r to the new project
r.defaultProject = info.defaultProject;
}
else {
// otherwise, keep r as root of inferred project
openFileRoots.push(r);
}
}
this.openFileRoots = openFileRoots;
this.openFileRoots.push(info);
}
}
this.updateConfiguredProjectList();
}
/**
* Remove this file from the set of open, non-configured files.
* @param info The file that has been closed or newly configured
*/
closeOpenFile(info: ScriptInfo) {
// Closing file should trigger re-reading the file content from disk. This is
// because the user may chose to discard the buffer content before saving
// to the disk, and the server's version of the file can be out of sync.
info.svc.reloadFromFile(info.fileName);
const openFileRoots: ScriptInfo[] = [];
let removedProject: Project;
for (let i = 0, len = this.openFileRoots.length; i < len; i++) {
// if closed file is root of project
if (info === this.openFileRoots[i]) {
// remove that project and remember it
removedProject = info.defaultProject;
}
else {
openFileRoots.push(this.openFileRoots[i]);
}
}
this.openFileRoots = openFileRoots;
if (!removedProject) {
const openFileRootsConfigured: ScriptInfo[] = [];
for (let i = 0, len = this.openFileRootsConfigured.length; i < len; i++) {
if (info === this.openFileRootsConfigured[i]) {
if (info.defaultProject.deleteOpenRef() === 0) {
removedProject = info.defaultProject;
}
}
else {
openFileRootsConfigured.push(this.openFileRootsConfigured[i]);
}
}
this.openFileRootsConfigured = openFileRootsConfigured;
}
if (removedProject) {
this.removeProject(removedProject);
const openFilesReferenced: ScriptInfo[] = [];
const orphanFiles: ScriptInfo[] = [];
// for all open, referenced files f
for (let i = 0, len = this.openFilesReferenced.length; i < len; i++) {
const f = this.openFilesReferenced[i];
// if f was referenced by the removed project, remember it
if (f.defaultProject === removedProject || !f.defaultProject) {
f.defaultProject = undefined;
orphanFiles.push(f);
}
else {
// otherwise add it back to the list of referenced files
openFilesReferenced.push(f);
}
}
this.openFilesReferenced = openFilesReferenced;
// treat orphaned files as newly opened
for (let i = 0, len = orphanFiles.length; i < len; i++) {
this.addOpenFile(orphanFiles[i]);
}
}
else {
this.openFilesReferenced = copyListRemovingItem(info, this.openFilesReferenced);
}
info.close();
}
findReferencingProjects(info: ScriptInfo, excludedProject?: Project) {
const referencingProjects: Project[] = [];
info.defaultProject = undefined;
for (let i = 0, len = this.inferredProjects.length; i < len; i++) {
const inferredProject = this.inferredProjects[i];
inferredProject.updateGraph();
if (inferredProject !== excludedProject) {
if (inferredProject.getSourceFile(info)) {
info.defaultProject = inferredProject;
referencingProjects.push(inferredProject);
}
}
}
for (let i = 0, len = this.configuredProjects.length; i < len; i++) {
const configuredProject = this.configuredProjects[i];
configuredProject.updateGraph();
if (configuredProject.getSourceFile(info)) {
info.defaultProject = configuredProject;
referencingProjects.push(configuredProject);
}
}
return referencingProjects;
}
/**
* This function rebuilds the project for every file opened by the client
*/
reloadProjects() {
this.log("reload projects.");
// First check if there is new tsconfig file added for inferred project roots
for (const info of this.openFileRoots) {
this.openOrUpdateConfiguredProjectForFile(info.fileName);
}
this.updateProjectStructure();
}
/**
* This function is to update the project structure for every projects.
* It is called on the premise that all the configured projects are
* up to date.
*/
updateProjectStructure() {
this.log("updating project structure from ...", "Info");
this.printProjects();
const unattachedOpenFiles: ScriptInfo[] = [];
const openFileRootsConfigured: ScriptInfo[] = [];
for (const info of this.openFileRootsConfigured) {
const project = info.defaultProject;
if (!project || !(project.getSourceFile(info))) {
info.defaultProject = undefined;
unattachedOpenFiles.push(info);
}
else {
openFileRootsConfigured.push(info);
}
}
this.openFileRootsConfigured = openFileRootsConfigured;
// First loop through all open files that are referenced by projects but are not
// project roots. For each referenced file, see if the default project still
// references that file. If so, then just keep the file in the referenced list.
// If not, add the file to an unattached list, to be rechecked later.
const openFilesReferenced: ScriptInfo[] = [];
for (let i = 0, len = this.openFilesReferenced.length; i < len; i++) {
const referencedFile = this.openFilesReferenced[i];
referencedFile.defaultProject.updateGraph();
const sourceFile = referencedFile.defaultProject.getSourceFile(referencedFile);
if (sourceFile) {
openFilesReferenced.push(referencedFile);
}
else {
unattachedOpenFiles.push(referencedFile);
}
}
this.openFilesReferenced = openFilesReferenced;
// Then, loop through all of the open files that are project roots.
// For each root file, note the project that it roots. Then see if
// any other projects newly reference the file. If zero projects
// newly reference the file, keep it as a root. If one or more
// projects newly references the file, remove its project from the
// inferred projects list (since it is no longer a root) and add
// the file to the open, referenced file list.
const openFileRoots: ScriptInfo[] = [];
for (let i = 0, len = this.openFileRoots.length; i < len; i++) {
const rootFile = this.openFileRoots[i];
const rootedProject = rootFile.defaultProject;
const referencingProjects = this.findReferencingProjects(rootFile, rootedProject);
if (rootFile.defaultProject && rootFile.defaultProject.isConfiguredProject()) {
// If the root file has already been added into a configured project,
// meaning the original inferred project is gone already.
if (!rootedProject.isConfiguredProject()) {
this.removeProject(rootedProject);
}
this.openFileRootsConfigured.push(rootFile);