Skip to content
Navigation Menu
{{ message }}
forked from microsoft/TypeScript
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathscriptInfo.ts
More file actions
363 lines (310 loc) · 12 KB
/
Copy pathscriptInfo.ts
File metadata and controls
363 lines (310 loc) · 12 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
/// <reference path="scriptVersionCache.ts"/>
namespace ts.server {
/* @internal */
export class TextStorage {
private svc: ScriptVersionCache | undefined;
private svcVersion = 0;
private text: string;
private lineMap: number[];
private textVersion = 0;
constructor(private readonly host: ServerHost, private readonly fileName: NormalizedPath) {
}
public getVersion() {
return this.svc
? `SVC-${this.svcVersion}-${this.svc.getSnapshot().version}`
: `Text-${this.textVersion}`;
}
public hasScriptVersionCache() {
return this.svc !== undefined;
}
public useScriptVersionCache(newText?: string) {
this.switchToScriptVersionCache(newText);
}
public useText(newText?: string) {
this.svc = undefined;
this.setText(newText);
}
public edit(start: number, end: number, newText: string) {
this.switchToScriptVersionCache().edit(start, end - start, newText);
}
public reload(text: string) {
if (this.svc) {
this.svc.reload(text);
}
else {
this.setText(text);
}
}
public reloadFromFile(tempFileName?: string) {
if (this.svc || (tempFileName !== this.fileName)) {
this.reload(this.getFileText(tempFileName));
}
else {
this.setText(undefined);
}
}
public getSnapshot(): IScriptSnapshot {
return this.svc
? this.svc.getSnapshot()
: ScriptSnapshot.fromString(this.getOrLoadText());
}
public getLineInfo(line: number) {
return this.switchToScriptVersionCache().getSnapshot().index.lineNumberToInfo(line);
}
/**
* @param line 0 based index
*/
lineToTextSpan(line: number) {
if (!this.svc) {
const lineMap = this.getLineMap();
const start = lineMap[line]; // -1 since line is 1-based
const end = line + 1 < lineMap.length ? lineMap[line + 1] : this.text.length;
return ts.createTextSpanFromBounds(start, end);
}
const index = this.svc.getSnapshot().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(line: number, offset: number): number {
if (!this.svc) {
return computePositionOfLineAndCharacter(this.getLineMap(), line - 1, offset - 1);
}
const index = this.svc.getSnapshot().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(position: number): ILineInfo {
if (!this.svc) {
const { line, character } = computeLineAndCharacterOfPosition(this.getLineMap(), position);
return { line: line + 1, offset: character + 1 };
}
const index = this.svc.getSnapshot().index;
const lineOffset = index.charOffsetToLineNumberAndPos(position);
return { line: lineOffset.line, offset: lineOffset.offset + 1 };
}
private getFileText(tempFileName?: string) {
return this.host.readFile(tempFileName || this.fileName) || "";
}
private ensureNoScriptVersionCache() {
Debug.assert(!this.svc, "ScriptVersionCache should not be set");
}
private switchToScriptVersionCache(newText?: string): ScriptVersionCache {
if (!this.svc) {
this.svc = ScriptVersionCache.fromString(this.host, newText !== undefined ? newText : this.getOrLoadText());
this.svcVersion++;
this.text = undefined;
}
return this.svc;
}
private getOrLoadText() {
this.ensureNoScriptVersionCache();
if (this.text === undefined) {
this.setText(this.getFileText());
}
return this.text;
}
private getLineMap() {
this.ensureNoScriptVersionCache();
return this.lineMap || (this.lineMap = computeLineStarts(this.getOrLoadText()));
}
private setText(newText: string) {
this.ensureNoScriptVersionCache();
if (newText === undefined || this.text !== newText) {
this.text = newText;
this.lineMap = undefined;
this.textVersion++;
}
}
}
export class ScriptInfo {
/**
* All projects that include this file
*/
readonly containingProjects: Project[] = [];
private formatCodeSettings: ts.FormatCodeSettings;
readonly path: Path;
private fileWatcher: FileWatcher;
private textStorage: TextStorage;
private isOpen: boolean;
constructor(
private readonly host: ServerHost,
readonly fileName: NormalizedPath,
readonly scriptKind: ScriptKind,
public hasMixedContent = false) {
this.path = toPath(fileName, host.getCurrentDirectory(), createGetCanonicalFileName(host.useCaseSensitiveFileNames));
this.textStorage = new TextStorage(host, fileName);
if (hasMixedContent) {
this.textStorage.reload("");
}
this.scriptKind = scriptKind
? scriptKind
: getScriptKindFromFileName(fileName);
}
public isScriptOpen() {
return this.isOpen;
}
public open(newText: string) {
this.isOpen = true;
this.textStorage.useScriptVersionCache(newText);
this.markContainingProjectsAsDirty();
}
public close() {
this.isOpen = false;
this.textStorage.useText(this.hasMixedContent ? "" : undefined);
this.markContainingProjectsAsDirty();
}
public getSnapshot() {
return this.textStorage.getSnapshot();
}
getFormatCodeSettings() {
return this.formatCodeSettings;
}
attachToProject(project: Project): boolean {
const isNew = !this.isAttached(project);
if (isNew) {
this.containingProjects.push(project);
}
return isNew;
}
isAttached(project: Project) {
// unrolled for common cases
switch (this.containingProjects.length) {
case 0: return false;
case 1: return this.containingProjects[0] === project;
case 2: return this.containingProjects[0] === project || this.containingProjects[1] === project;
default: return contains(this.containingProjects, project);
}
}
detachFromProject(project: Project) {
// unrolled for common cases
switch (this.containingProjects.length) {
case 0:
return;
case 1:
if (this.containingProjects[0] === project) {
this.containingProjects.pop();
}
break;
case 2:
if (this.containingProjects[0] === project) {
this.containingProjects[0] = this.containingProjects.pop();
}
else if (this.containingProjects[1] === project) {
this.containingProjects.pop();
}
break;
default:
removeItemFromSet(this.containingProjects, project);
break;
}
}
detachAllProjects() {
for (const p of this.containingProjects) {
// detach is unnecessary since we'll clean the list of containing projects anyways
p.removeFile(this, /*detachFromProjects*/ false);
}
this.containingProjects.length = 0;
}
getDefaultProject() {
if (this.containingProjects.length === 0) {
return Errors.ThrowNoProject();
}
return this.containingProjects[0];
}
registerFileUpdate(): void {
for (const p of this.containingProjects) {
p.registerFileUpdate(this.path);
}
}
setFormatOptions(formatSettings: FormatCodeSettings): void {
if (formatSettings) {
if (!this.formatCodeSettings) {
this.formatCodeSettings = getDefaultFormatCodeSettings(this.host);
}
mergeMapLikes(this.formatCodeSettings, formatSettings);
}
}
setWatcher(watcher: FileWatcher): void {
this.stopWatcher();
this.fileWatcher = watcher;
}
stopWatcher() {
if (this.fileWatcher) {
this.fileWatcher.close();
this.fileWatcher = undefined;
}
}
getLatestVersion() {
return this.textStorage.getVersion();
}
reload(script: string) {
this.textStorage.reload(script);
this.markContainingProjectsAsDirty();
}
saveTo(fileName: string) {
const snap = this.textStorage.getSnapshot();
this.host.writeFile(fileName, snap.getText(0, snap.getLength()));
}
reloadFromFile(tempFileName?: NormalizedPath) {
if (this.hasMixedContent) {
this.reload("");
}
else {
this.textStorage.reloadFromFile(tempFileName);
this.markContainingProjectsAsDirty();
}
}
getLineInfo(line: number) {
return this.textStorage.getLineInfo(line);
}
editContent(start: number, end: number, newText: string): void {
this.textStorage.edit(start, end, newText);
this.markContainingProjectsAsDirty();
}
markContainingProjectsAsDirty() {
for (const p of this.containingProjects) {
p.markAsDirty();
}
}
/**
* @param line 1 based index
*/
lineToTextSpan(line: number) {
return this.textStorage.lineToTextSpan(line);
}
/**
* @param line 1 based index
* @param offset 1 based index
*/
lineOffsetToPosition(line: number, offset: number): number {
return this.textStorage.lineOffsetToPosition(line, offset);
}
/**
* @param line 1-based index
* @param offset 1-based index
*/
positionToLineOffset(position: number): ILineInfo {
return this.textStorage.positionToLineOffset(position);
}
public isJavaScript() {
return this.scriptKind === ScriptKind.JS || this.scriptKind === ScriptKind.JSX;
}
}
}
You can’t perform that action at this time.