Initial VS Code 1.19 source merge (#571)

* Initial 1.19 xcopy

* Fix yarn build

* Fix numerous build breaks

* Next batch of build break fixes

* More build break fixes

* Runtime breaks

* Additional post merge fixes

* Fix windows setup file

* Fix test failures.

* Update license header blocks to refer to source eula

src/vs/vscode.d.ts

@@ -1714,7 +1714,15 @@ declare module 'vscode' {
 
 	/**
 	 * A file glob pattern to match file paths against. This can either be a glob pattern string
-	 * (like `**∕*.{ts,js}` or `*.{ts,js}`) or a [relative pattern](#RelativePattern).
+	 * (like `**​/*.{ts,js}` or `*.{ts,js}`) or a [relative pattern](#RelativePattern).
+	 *
+	 * Glob patterns can have the following syntax:
+	 * * `*` to match one or more characters in a path segment
+	 * * `?` to match on one character in a path segment
+	 * * `**` to match any number of path segments, including none
+	 * * `{}` to group conditions (e.g. `**​/*.{ts,js}` matches all TypeScript and JavaScript files)
+	 * * `[]` to declare a range of characters to match in a path segment (e.g., `example.[0-9]` to match on `example.0`, `example.1`, …)
+	 * * `[!...]` to negate a range of characters to match in a path segment (e.g., `example.[!0-9]` to match on `example.a`, `example.b`, but not `example.0`)
 	 */
 	export type GlobPattern = string | RelativePattern;
 
@@ -1724,7 +1732,7 @@ declare module 'vscode' {
 	 * its resource, or a glob-pattern that is applied to the [path](#TextDocument.fileName).
 	 *
 	 * @sample A language filter that applies to typescript files on disk: `{ language: 'typescript', scheme: 'file' }`
-	 * @sample A language filter that applies to all package.json paths: `{ language: 'json', pattern: '**∕package.json' }`
+	 * @sample A language filter that applies to all package.json paths: `{ language: 'json', pattern: '**​/package.json' }`
 	 */
 	export interface DocumentFilter {
 
@@ -1750,7 +1758,7 @@ declare module 'vscode' {
 	 * and [language filters](#DocumentFilter).
 	 *
 	 * @sample `let sel:DocumentSelector = 'typescript'`;
-	 * @sample `let sel:DocumentSelector = ['typescript', { language: 'json', pattern: '**∕tsconfig.json' }]`;
+	 * @sample `let sel:DocumentSelector = ['typescript', { language: 'json', pattern: '**​/tsconfig.json' }]`;
 	 */
 	export type DocumentSelector = string | DocumentFilter | (string | DocumentFilter)[];
 
@@ -1791,7 +1799,6 @@ declare module 'vscode' {
 	 * a [code action](#CodeActionProvider.provideCodeActions) is run.
 	 */
 	export interface CodeActionContext {
-
 		/**
 		 * An array of diagnostics.
 		 */
@@ -2903,12 +2910,11 @@ declare module 'vscode' {
 	 * The completion item provider interface defines the contract between extensions and
 	 * [IntelliSense](https://code.visualstudio.com/docs/editor/intellisense).
 	 *
-	 * When computing *complete* completion items is expensive, providers can optionally implement
-	 * the `resolveCompletionItem`-function. In that case it is enough to return completion
-	 * items with a [label](#CompletionItem.label) from the
-	 * [provideCompletionItems](#CompletionItemProvider.provideCompletionItems)-function. Subsequently,
-	 * when a completion item is shown in the UI and gains focus this provider is asked to resolve
-	 * the item, like adding [doc-comment](#CompletionItem.documentation) or [details](#CompletionItem.detail).
+	 * Providers can delay the computation of the [`detail`](#CompletionItem.detail)
+	 * and [`documentation`](#CompletionItem.documentation) properties by implementing the
+	 * [`resolveCompletionItem`](#CompletionItemProvider.resolveCompletionItem)-function. However, properties that
+	 * are needed for the inital sorting and filtering, like `sortText`, `filterText`, `insertText`, and `range`, must
+	 * not be changed during resolve.
 	 *
 	 * Providers are asked for completions either explicitly by a user gesture or -depending on the configuration-
 	 * implicitly when typing words or trigger characters.
@@ -3447,7 +3453,7 @@ declare module 'vscode' {
 		uri: Uri;
 
 		/**
-		 * The document range of this locations.
+		 * The document range of this location.
 		 */
 		range: Range;
 
@@ -4491,7 +4497,7 @@ declare module 'vscode' {
 		 * has changed. *Note* that the event also fires when the active editor changes
 		 * to `undefined`.
 		 */
-		export const onDidChangeActiveTextEditor: Event<TextEditor>;
+		export const onDidChangeActiveTextEditor: Event<TextEditor | undefined>;
 
 		/**
 		 * An [event](#Event) which fires when the array of [visible editors](#window.visibleTextEditors)
@@ -5255,7 +5261,7 @@ declare module 'vscode' {
 		/**
 		 * Find files across all [workspace folders](#workspace.workspaceFolders) in the workspace.
 		 *
-		 * @sample `findFiles('**∕*.js', '**∕node_modules∕**', 10)`
+		 * @sample `findFiles('**​/*.js', '**​/node_modules/**', 10)`
 		 * @param include A [glob pattern](#GlobPattern) that defines the files to search for. The glob pattern
 		 * will be matched against the file paths of resulting matches relative to their workspace. Use a [relative pattern](#RelativePattern)
 		 * to restrict the search results to a [workspace folder](#WorkspaceFolder).
@@ -5772,6 +5778,11 @@ declare module 'vscode' {
 		 * Setter and getter for the contents of the input box.
 		 */
 		value: string;
+
+		/**
+		 * A string to show as place holder in the input box to guide the user.
+		 */
+		placeholder: string;
 	}
 
 	interface QuickDiffProvider {
@@ -6060,7 +6071,6 @@ declare module 'vscode' {
 
 	// {{SQL CARBON EDIT}}
 	// remove debug namespace
-
 	/**
 	 * Namespace for dealing with installed extensions. Extensions are represented
 	 * by an [extension](#Extension)-interface which allows to reflect on them.