Change from 'bracelss' to 'mayOmitBraces'

src/compiler/core.ts

@@ -1160,7 +1160,9 @@ namespace ts {
         return result;
     }
 
-    export function toArray<T>(value: T | ReadonlyArray<T>): ReadonlyArray<T> {
+    export function toArray<T>(value: T | ReadonlyArray<T>): ReadonlyArray<T>;
+    export function toArray<T>(value: T | T[]): T[];
+    export function toArray<T>(value: T | T[]): T[] {
         return isArray(value) ? value : [value];
     }
 
@@ -1366,10 +1368,6 @@ namespace ts {
         return Array.isArray ? Array.isArray(value) : value instanceof Array;
     }
 
-    export function toArray<T>(value: T | T[]): T[] {
-        return isArray(value) ? value : [value];
-    }
-
     /**
      * Tests whether a value is string
      */

src/compiler/parser.ts

@@ -6132,16 +6132,14 @@ namespace ts {
             }
 
             // Parses out a JSDoc type expression.
-            export function parseJSDocTypeExpression(): JSDocTypeExpression;
+            export function parseJSDocTypeExpression(mayOmitBraces?: boolean): JSDocTypeExpression {
-            export function parseJSDocTypeExpression(requireBraces: true): JSDocTypeExpression | undefined;
-            export function parseJSDocTypeExpression(requireBraces?: boolean): JSDocTypeExpression | undefined {
                 const result = <JSDocTypeExpression>createNode(SyntaxKind.JSDocTypeExpression, scanner.getTokenPos());
 
-                if (!parseExpected(SyntaxKind.OpenBraceToken) && requireBraces) {
+                const sawBrace = (mayOmitBraces ? parseOptional : parseExpected)(SyntaxKind.OpenBraceToken);
-                    return undefined;
-                }
                 result.type = doInsideOfContext(NodeFlags.JSDoc, parseType);
-                parseExpected(SyntaxKind.CloseBraceToken);
+                if (!mayOmitBraces || sawBrace) {
+                    parseExpected(SyntaxKind.CloseBraceToken);
+                }
 
                 fixupParentReferences(result);
                 return finishNode(result);
@@ -6597,7 +6595,7 @@ namespace ts {
                     const result = <JSDocTypeTag>createNode(SyntaxKind.JSDocTypeTag, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
-                    result.typeExpression = parseJSDocTypeExpression(/*requireBraces*/ true);
+                    result.typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true);
                     return finishNode(result);
                 }
 

src/compiler/scanner.ts

@@ -1873,7 +1873,17 @@ namespace ts {
                     return token = SyntaxKind.CommaToken;
                 case CharacterCodes.dot:
                     pos++;
+                    if (text.substr(tokenPos, pos + 2) === "...") {
+                        pos += 2;
+                        return token = SyntaxKind.DotDotDotToken;
+                    }
                     return token = SyntaxKind.DotToken;
+                case CharacterCodes.exclamation:
+                    pos++;
+                    return token = SyntaxKind.ExclamationToken;
+                case CharacterCodes.question:
+                    pos++;
+                    return token = SyntaxKind.QuestionToken;
             }
 
             if (isIdentifierStart(ch, ScriptTarget.Latest)) {
@@ -1881,6 +1891,7 @@ namespace ts {
                 while (isIdentifierPart(text.charCodeAt(pos), ScriptTarget.Latest) && pos < end) {
                     pos++;
                 }
+                tokenValue = text.substring(tokenPos, pos);
                 return token = SyntaxKind.Identifier;
             }
             else {

src/harness/unittests/jsDocParsing.ts

@@ -94,7 +94,8 @@ namespace ts {
                         Debug.fail("Comment failed to parse entirely");
                     }
                     if (comment.diagnostics.length > 0) {
-                        Debug.fail("Comment has at least one diagnostic: " + comment.diagnostics[0].messageText);
+                        const diag = comment.diagnostics[0];
+                        Debug.fail("Comment has at least one diagnostic: " + diag.messageText + " at " + diag.start);
                     }
 
                     Harness.Baseline.runBaseline("JSDocParsing/DocComments.parsesCorrectly." + name + ".json",

tests/baselines/reference/jsdocTypedefMissingType.errors.txt

@@ -1,8 +1,7 @@
 /a.js(2,14): error TS8021: JSDoc '@typedef' tag should either have a type annotation or be followed by '@property' or '@member' tags.
-/a.js(12,11): error TS1005: '{' expected.
 
 
-==== /a.js (2 errors) ====
+==== /a.js (1 errors) ====
     // Bad: missing a type
     /** @typedef T */
                  ~
@@ -17,7 +16,5 @@
      */
     
     /** @type Person */
-              ~~~~~~
-!!! error TS1005: '{' expected.
     const person = { name: "" };
     

tests/baselines/reference/jsdocTypedefMissingType.types

@@ -14,8 +14,8 @@ const t = 0;
 
 /** @type Person */
 const person = { name: "" };
->person : { [x: string]: any; name: string; }
+>person : { name: string; }
->{ name: "" } : { [x: string]: any; name: string; }
+>{ name: "" } : { name: string; }
 >name : string
 >"" : ""
 

tests/baselines/reference/malformedTags.types

@@ -5,7 +5,7 @@
  * @type Function
  */
 var isArray = Array.isArray;
->isArray : (arg: any) => arg is any[]
+>isArray : Function
 >Array.isArray : (arg: any) => arg is any[]
 >Array : ArrayConstructor
 >isArray : (arg: any) => arg is any[]

tests/baselines/reference/user/chrome-devtools-frontend.log

@@ -1,8 +1,6 @@
 Exit Code: 1
 Standard output:
 node_modules/chrome-devtools-frontend/front_end/Runtime.js(398,24): error TS1138: Parameter declaration expected.
-node_modules/chrome-devtools-frontend/front_end/Runtime.js(527,55): error TS1005: '{' expected.
-node_modules/chrome-devtools-frontend/front_end/accessibility/AXBreadcrumbsPane.js(314,15): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/animation/AnimationModel.js(810,65): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/audits/AuditRules.js(488,2): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/audits/AuditsPanel.js(513,28): error TS1005: '>' expected.
@@ -48,10 +46,8 @@ node_modules/chrome-devtools-frontend/front_end/console/ConsoleView.js(1521,2):
 node_modules/chrome-devtools-frontend/front_end/console_test_runner/ConsoleTestRunner.js(10,73): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/cookie_table/CookiesTable.js(39,36): error TS1138: Parameter declaration expected.
 node_modules/chrome-devtools-frontend/front_end/coverage/CoverageDecorationManager.js(7,2): error TS1131: Property or signature expected.
-node_modules/chrome-devtools-frontend/front_end/coverage/CoverageDecorationManager.js(258,34): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/coverage/CoverageModel.js(5,72): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/coverage/CoverageModel.js(8,57): error TS1003: Identifier expected.
-node_modules/chrome-devtools-frontend/front_end/coverage/CoverageView.js(231,59): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/data_grid/DataGrid.js(1200,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/devices/DevicesView.js(890,194): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/devices/DevicesView.js(893,105): error TS1003: Identifier expected.
@@ -98,7 +94,6 @@ node_modules/chrome-devtools-frontend/front_end/formatter/FormatterWorkerPool.js
 node_modules/chrome-devtools-frontend/front_end/formatter/FormatterWorkerPool.js(322,2): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/formatter/FormatterWorkerPool.js(327,2): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/formatter_worker/FormatterWorker.js(32,30): error TS1138: Parameter declaration expected.
-node_modules/chrome-devtools-frontend/front_end/formatter_worker/FormatterWorker.js(58,26): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/formatter_worker/RelaxedJSONParser.js(180,2): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/heap_snapshot_worker/HeapSnapshot.js(1370,4): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/heap_snapshot_worker/HeapSnapshot.js(2118,2): error TS1131: Property or signature expected.
@@ -107,7 +102,6 @@ node_modules/chrome-devtools-frontend/front_end/help/Help.js(57,2): error TS1131
 node_modules/chrome-devtools-frontend/front_end/host/InspectorFrontendHostAPI.js(16,4): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/host/InspectorFrontendHostAPI.js(23,4): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/inline_editor/BezierEditor.js(270,103): error TS1003: Identifier expected.
-node_modules/chrome-devtools-frontend/front_end/layer_viewer/Layers3DView.js(68,15): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/layer_viewer/Layers3DView.js(761,67): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/mobile_throttling/ThrottlingPresets.js(14,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/mobile_throttling/ThrottlingPresets.js(56,2): error TS1131: Property or signature expected.
@@ -129,8 +123,6 @@ node_modules/chrome-devtools-frontend/front_end/network_log/NetworkLog.js(470,13
 node_modules/chrome-devtools-frontend/front_end/object_ui/CustomPreviewComponent.js(140,16): error TS1110: Type expected.
 node_modules/chrome-devtools-frontend/front_end/object_ui/CustomPreviewComponent.js(141,16): error TS1110: Type expected.
 node_modules/chrome-devtools-frontend/front_end/object_ui/JavaScriptAutocomplete.js(7,64): error TS1003: Identifier expected.
-node_modules/chrome-devtools-frontend/front_end/perf_ui/FlameChart.js(907,17): error TS1005: '{' expected.
-node_modules/chrome-devtools-frontend/front_end/perf_ui/FlameChart.js(1167,15): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/perf_ui/FlameChart.js(1387,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/perf_ui/FlameChart.js(1397,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/perf_ui/TimelineGrid.js(266,89): error TS1003: Identifier expected.
@@ -164,7 +156,7 @@ node_modules/chrome-devtools-frontend/front_end/sdk/LayerTreeBase.js(8,1): error
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkManager.js(182,71): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkManager.js(198,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkManager.js(238,48): error TS1003: Identifier expected.
-node_modules/chrome-devtools-frontend/front_end/sdk/NetworkManager.js(1197,86): error TS1003: Identifier expected.
+node_modules/chrome-devtools-frontend/front_end/sdk/NetworkManager.js(1200,86): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkRequest.js(1117,47): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkRequest.js(1127,122): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/NetworkRequest.js(1130,82): error TS1003: Identifier expected.
@@ -210,13 +202,11 @@ node_modules/chrome-devtools-frontend/front_end/text_utils/TextUtils.js(340,32):
 node_modules/chrome-devtools-frontend/front_end/timeline/PerformanceMonitor.js(394,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/timeline/PerformanceMonitor.js(406,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/timeline/TimelineController.js(283,2): error TS1131: Property or signature expected.
-node_modules/chrome-devtools-frontend/front_end/timeline/TimelineDetailsView.js(34,15): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/timeline/TimelineHistoryManager.js(255,86): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/timeline/TimelinePanel.js(1087,106): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/timeline/TimelineUIUtils.js(2113,2): error TS1131: Property or signature expected.
 node_modules/chrome-devtools-frontend/front_end/timeline_model/TimelineModel.js(1246,99): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/timeline_model/TimelineModel.js(1420,82): error TS1003: Identifier expected.
-node_modules/chrome-devtools-frontend/front_end/timeline_model/TimelineModelFilter.js(43,22): error TS1005: '{' expected.
 node_modules/chrome-devtools-frontend/front_end/timeline_model/TracingLayerTree.js(17,1): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/timeline_model/TracingLayerTree.js(26,1): error TS1003: Identifier expected.
 node_modules/chrome-devtools-frontend/front_end/ui/Context.js(14,33): error TS1110: Type expected.