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Vscode merge (#4582)
* Merge from vscode 37cb23d3dd4f9433d56d4ba5ea3203580719a0bd * fix issues with merges * bump node version in azpipe * replace license headers * remove duplicate launch task * fix build errors * fix build errors * fix tslint issues * working through package and linux build issues * more work * wip * fix packaged builds * working through linux build errors * wip * wip * wip * fix mac and linux file limits * iterate linux pipeline * disable editor typing * revert series to parallel * remove optimize vscode from linux * fix linting issues * revert testing change * add work round for new node * readd packaging for extensions * fix issue with angular not resolving decorator dependencies
This commit is contained in:
Anthony Dresser
@@ -0,0 +1,170 @@
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the Source EULA. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { MarkdownString } from 'vs/base/common/htmlContent';
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import { compare } from 'vs/base/common/strings';
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import { Position } from 'vs/editor/common/core/position';
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import { IRange, Range } from 'vs/editor/common/core/range';
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import { ITextModel } from 'vs/editor/common/model';
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import { CompletionItem, CompletionItemKind, CompletionItemProvider, CompletionList, LanguageId, CompletionItemInsertTextRule, CompletionContext, CompletionTriggerKind } from 'vs/editor/common/modes';
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import { IModeService } from 'vs/editor/common/services/modeService';
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import { SnippetParser } from 'vs/editor/contrib/snippet/snippetParser';
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import { localize } from 'vs/nls';
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import { ISnippetsService } from 'vs/workbench/contrib/snippets/browser/snippets.contribution';
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import { Snippet, SnippetSource } from 'vs/workbench/contrib/snippets/browser/snippetsFile';
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export class SnippetCompletion implements CompletionItem {
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label: string;
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detail: string;
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insertText: string;
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documentation: MarkdownString;
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range: IRange;
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sortText: string;
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kind: CompletionItemKind;
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insertTextRules: CompletionItemInsertTextRule;
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constructor(
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readonly snippet: Snippet,
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range: IRange
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) {
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this.label = snippet.prefix;
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this.detail = localize('detail.snippet', "{0} ({1})", snippet.description || snippet.name, snippet.source);
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this.insertText = snippet.body;
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this.range = range;
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this.sortText = `${snippet.snippetSource === SnippetSource.Extension ? 'z' : 'a'}-${snippet.prefix}`;
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this.kind = CompletionItemKind.Snippet;
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this.insertTextRules = CompletionItemInsertTextRule.InsertAsSnippet;
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}
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resolve(): this {
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this.documentation = new MarkdownString().appendCodeblock('', new SnippetParser().text(this.snippet.codeSnippet));
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this.insertText = this.snippet.codeSnippet;
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return this;
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}
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static compareByLabel(a: SnippetCompletion, b: SnippetCompletion): number {
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return compare(a.label, b.label);
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}
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}
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export function matches(pattern: string, patternStart: number, word: string, wordStart: number): boolean {
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while (patternStart < pattern.length && wordStart < word.length) {
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if (pattern[patternStart] === word[wordStart]) {
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patternStart += 1;
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}
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wordStart += 1;
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}
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return patternStart === pattern.length;
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}
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export class SnippetCompletionProvider implements CompletionItemProvider {
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private static readonly _maxPrefix = 10000;
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constructor(
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@IModeService
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private readonly _modeService: IModeService,
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@ISnippetsService
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private readonly _snippets: ISnippetsService
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) {
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//
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}
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provideCompletionItems(model: ITextModel, position: Position, context: CompletionContext): Promise<CompletionList> | undefined {
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if (position.column >= SnippetCompletionProvider._maxPrefix) {
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return undefined;
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}
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if (context.triggerKind === CompletionTriggerKind.TriggerCharacter && context.triggerCharacter === ' ') {
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// no snippets when suggestions have been triggered by space
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return undefined;
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}
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const languageId = this._getLanguageIdAtPosition(model, position);
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return this._snippets.getSnippets(languageId).then(snippets => {
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let suggestions: SnippetCompletion[];
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let pos = { lineNumber: position.lineNumber, column: 1 };
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let lineOffsets: number[] = [];
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let linePrefixLow = model.getLineContent(position.lineNumber).substr(0, position.column - 1).toLowerCase();
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let endsInWhitespace = linePrefixLow.match(/\s$/);
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while (pos.column < position.column) {
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let word = model.getWordAtPosition(pos);
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if (word) {
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// at a word
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lineOffsets.push(word.startColumn - 1);
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pos.column = word.endColumn + 1;
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if (word.endColumn - 1 < linePrefixLow.length && !/\s/.test(linePrefixLow[word.endColumn - 1])) {
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lineOffsets.push(word.endColumn - 1);
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}
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}
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else if (!/\s/.test(linePrefixLow[pos.column - 1])) {
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// at a none-whitespace character
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lineOffsets.push(pos.column - 1);
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pos.column += 1;
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}
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else {
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// always advance!
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pos.column += 1;
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}
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}
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let availableSnippets = new Set<Snippet>();
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snippets.forEach(availableSnippets.add, availableSnippets);
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suggestions = [];
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for (let start of lineOffsets) {
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availableSnippets.forEach(snippet => {
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if (matches(linePrefixLow, start, snippet.prefixLow, 0)) {
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suggestions.push(new SnippetCompletion(snippet, Range.fromPositions(position.delta(0, -(linePrefixLow.length - start)), position)));
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availableSnippets.delete(snippet);
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}
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});
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}
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if (endsInWhitespace || lineOffsets.length === 0) {
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// add remaing snippets when the current prefix ends in whitespace or when no
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// interesting positions have been found
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availableSnippets.forEach(snippet => {
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suggestions.push(new SnippetCompletion(snippet, Range.fromPositions(position)));
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});
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}
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// dismbiguate suggestions with same labels
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suggestions.sort(SnippetCompletion.compareByLabel);
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for (let i = 0; i < suggestions.length; i++) {
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let item = suggestions[i];
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let to = i + 1;
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for (; to < suggestions.length && item.label === suggestions[to].label; to++) {
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suggestions[to].label = localize('snippetSuggest.longLabel', "{0}, {1}", suggestions[to].label, suggestions[to].snippet.name);
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}
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if (to > i + 1) {
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suggestions[i].label = localize('snippetSuggest.longLabel', "{0}, {1}", suggestions[i].label, suggestions[i].snippet.name);
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i = to;
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}
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}
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return { suggestions };
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});
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}
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resolveCompletionItem?(model: ITextModel, position: Position, item: CompletionItem): CompletionItem {
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return (item instanceof SnippetCompletion) ? item.resolve() : item;
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}
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private _getLanguageIdAtPosition(model: ITextModel, position: Position): LanguageId {
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// validate the `languageId` to ensure this is a user
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// facing language with a name and the chance to have
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// snippets, else fall back to the outer language
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model.tokenizeIfCheap(position.lineNumber);
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let languageId = model.getLanguageIdAtPosition(position.lineNumber, position.column);
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const languageIdentifier = this._modeService.getLanguageIdentifier(languageId);
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if (languageIdentifier && !this._modeService.getLanguageName(languageIdentifier.language)) {
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languageId = model.getLanguageIdentifier().id;
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}
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return languageId;
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}
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}
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