add custom link provider for vscode.d.ts

build/npm/postinstall.js

@@ -11,6 +11,7 @@ const extensions = [
 	'vscode-colorize-tests',
 	'json',
 	'configuration-editing',
+	'extension-editing',
 	'markdown',
 	'typescript',
 	'php',

extensions/extension-editing/npm-shrinkwrap.json

@@ -0,0 +1,11 @@
+{
+	"name": "extension-editing",
+	"version": "0.0.1",
+	"dependencies": {
+		"typescript": {
+			"version": "1.8.10",
+			"from": "typescript@>=1.8.10 <2.0.0",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-1.8.10.tgz"
+		}
+	}
+}

extensions/extension-editing/package.json

@@ -0,0 +1,23 @@
+{
+	"name": "extension-editing",
+	"version": "0.0.1",
+	"publisher": "vscode",
+	"engines": {
+		"vscode": "^1.4.0"
+	},
+	"categories": [
+		"Languages", "Other"
+	],
+	"activationEvents": [
+		"onLanguage:typescript"
+	],
+	"main": "./out/extension",
+	"scripts": {
+		"postinstall": "node ./postinstall",
+		"compile": "gulp compile-extension:extension-editing",
+		"watch": "gulp watch-extension:extension-editing"
+	},
+	"dependencies": {
+		"typescript": "^1.8.10"
+	}
+}

extensions/extension-editing/postinstall.js

@@ -0,0 +1,23 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+// delete unused typescript stuff
+const root = path.dirname(require.resolve('typescript'));
+
+for (let name of fs.readdirSync(root)) {
+	if (name !== 'typescript.d.ts' && name !== 'typescript.js') {
+		try {
+			fs.unlinkSync(path.join(root, name));
+			console.log(`removed '${path.join(root, name)}'`);
+		} catch (e) {
+			console.warn(e);
+		}
+	}
+}

extensions/extension-editing/src/extension.ts

@@ -0,0 +1,103 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as vscode from 'vscode';
+import * as ts from 'typescript';
+
+export function activate(context: vscode.ExtensionContext) {
+	const registration = vscode.languages.registerDocumentLinkProvider({ language: 'typescript', pattern: '**/vscode.d.ts' }, _linkProvider);
+	context.subscriptions.push(registration);
+}
+
+const _linkProvider = new class implements vscode.DocumentLinkProvider {
+
+	private _cachedResult: { version: number; links: vscode.DocumentLink[] };
+	private _linkPattern = /[^!]\[.*?\]\(#(.*?)\)/g;
+
+	provideDocumentLinks(document: vscode.TextDocument, token: vscode.CancellationToken): vscode.DocumentLink[] {
+		const {version} = document;
+		if (!this._cachedResult || this._cachedResult.version !== version) {
+			const links = this._computeDocumentLinks(document);
+			this._cachedResult = { version, links };
+		}
+		return this._cachedResult.links;
+	}
+
+	private _computeDocumentLinks(document: vscode.TextDocument): vscode.DocumentLink[] {
+
+		const results: vscode.DocumentLink[] = [];
+		const text = document.getText();
+		const lookUp = ast.createNamedNodeLookUp(text);
+
+		this._linkPattern.lastIndex = 0;
+		let match: RegExpMatchArray;
+		while ((match = this._linkPattern.exec(text))) {
+
+			const offset = lookUp(match[1]);
+			if (offset === -1) {
+				console.warn(match[1]);
+				continue;
+			}
+
+			const targetPos = document.positionAt(offset);
+			const linkEnd = document.positionAt(this._linkPattern.lastIndex - 1);
+			const linkStart = linkEnd.translate({ characterDelta: -(1 + match[1].length) });
+
+			results.push(new vscode.DocumentLink(
+				new vscode.Range(linkStart, linkEnd),
+				document.uri.with({ fragment: `${1 + targetPos.line}` })));
+		}
+
+		return results;
+	}
+};
+
+namespace ast {
+
+	export interface NamedNodeLookUp {
+		(dottedName: string): number;
+	}
+
+	export function createNamedNodeLookUp(str: string): NamedNodeLookUp {
+
+		const sourceFile = ts.createSourceFile('fake.d.ts', str, ts.ScriptTarget.Latest);
+
+		const identifiers: string[] = [];
+		const spans: number[] = [];
+
+		ts.forEachChild(sourceFile, function visit(node: ts.Node) {
+			const declIdent = (<ts.Declaration>node).name;
+			if (declIdent && declIdent.kind === ts.SyntaxKind.Identifier) {
+				identifiers.push((<ts.Identifier>declIdent).text);
+				spans.push(node.pos, node.end);
+			}
+			ts.forEachChild(node, visit);
+		});
+
+		return function (dottedName: string): number {
+			let start = -1;
+			let end = Number.MAX_VALUE;
+
+			for (const name of dottedName.split('.')) {
+				let idx: number;
+				while ((idx = identifiers.indexOf(name, idx + 1)) >= 0) {
+					let myStart = spans[2 * idx];
+					let myEnd = spans[2 * idx + 1];
+					if (myStart >= start && myEnd <= end) {
+						start = myStart;
+						end = myEnd;
+						break;
+					}
+				}
+				if (idx < 0) {
+					return -1;
+				}
+			}
+			return start;
+		};
+	}
+}

extensions/extension-editing/src/typings/ref.d.ts

@@ -0,0 +1,10 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+/// <reference path='../../../../src/vs/vscode.d.ts'/>
+/// <reference path='../../../../src/typings/mocha.d.ts'/>
+/// <reference path='../../../../extensions/node.d.ts'/>
+/// <reference path='../../../../extensions/lib.core.d.ts'/>
+/// <reference path='../../../../extensions/declares.d.ts'/>

extensions/extension-editing/tsconfig.json

@@ -0,0 +1,11 @@
+{
+	"compilerOptions": {
+		"noLib": true,
+		"target": "es5",
+		"module": "commonjs",
+		"outDir": "./out"
+	},
+	"exclude": [
+		"node_modules"
+	]
+}