Allow for class static vars to be called static (#44813)

Orta Therox · web-flow · commit 016d78b09e36 · 2021-10-01T14:28:08.000+01:00
* Allow for class static vars to be called static - re: #41127 * Add the baselines
diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
@@ -1974,7 +1974,6 @@ namespace ts {
                 case SyntaxKind.DefaultKeyword:
                     return nextTokenCanFollowDefaultKeyword();
                 case SyntaxKind.StaticKeyword:
-                    return nextTokenIsOnSameLineAndCanFollowModifier();
                 case SyntaxKind.GetKeyword:
                 case SyntaxKind.SetKeyword:
                     nextToken();
@@ -6870,7 +6869,7 @@ namespace ts {
             return list && createNodeArray(list, pos);
         }
 
-        function tryParseModifier(permitInvalidConstAsModifier?: boolean, stopOnStartOfClassStaticBlock?: boolean): Modifier | undefined {
+        function tryParseModifier(permitInvalidConstAsModifier?: boolean, stopOnStartOfClassStaticBlock?: boolean, hasSeenStaticModifier?: boolean): Modifier | undefined {
             const pos = getNodePos();
             const kind = token();
 
@@ -6884,6 +6883,9 @@ namespace ts {
             else if (stopOnStartOfClassStaticBlock && token() === SyntaxKind.StaticKeyword && lookAhead(nextTokenIsOpenBrace)) {
                 return undefined;
             }
+            else if (hasSeenStaticModifier && token() === SyntaxKind.StaticKeyword) {
+                return undefined;
+            }
             else {
                 if (!parseAnyContextualModifier()) {
                     return undefined;
@@ -6902,8 +6904,9 @@ namespace ts {
          */
         function parseModifiers(permitInvalidConstAsModifier?: boolean, stopOnStartOfClassStaticBlock?: boolean): NodeArray<Modifier> | undefined {
             const pos = getNodePos();
-            let list, modifier;
-            while (modifier = tryParseModifier(permitInvalidConstAsModifier, stopOnStartOfClassStaticBlock)) {
+            let list, modifier, hasSeenStatic = false;
+            while (modifier = tryParseModifier(permitInvalidConstAsModifier, stopOnStartOfClassStaticBlock, hasSeenStatic)) {
+                if (modifier.kind === SyntaxKind.StaticKeyword) hasSeenStatic = true;
                 list = append(list, modifier);
             }
             return list && createNodeArray(list, pos);
diff --git a/tests/baselines/reference/multipleClassPropertyModifiersErrors.errors.txt b/tests/baselines/reference/multipleClassPropertyModifiersErrors.errors.txt
@@ -1,27 +1,15 @@
-tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(2,9): error TS1028: Accessibility modifier already seen.
-tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(3,10): error TS1028: Accessibility modifier already seen.
-tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(4,9): error TS1030: 'static' modifier already seen.
-tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(5,9): error TS1028: Accessibility modifier already seen.
-tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(6,10): error TS1028: Accessibility modifier already seen.
+tests/cases/compiler/multipleClassPropertyModifiersErrors.ts(4,16): error TS1005: ';' expected.
 
 
-==== tests/cases/compiler/multipleClassPropertyModifiersErrors.ts (5 errors) ====
+==== tests/cases/compiler/multipleClassPropertyModifiersErrors.ts (1 errors) ====
     class C {
     	public public p1;
-    	       ~~~~~~
-!!! error TS1028: Accessibility modifier already seen.
     	private private p2;
-    	        ~~~~~~~
-!!! error TS1028: Accessibility modifier already seen.
     	static static p3;
-    	       ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+    	              ~~
+!!! error TS1005: ';' expected.
     	public private p4;
-    	       ~~~~~~~
-!!! error TS1028: Accessibility modifier already seen.
     	private public p5;
-    	        ~~~~~~
-!!! error TS1028: Accessibility modifier already seen.
     	public static p6;
     	private static p7;
     }
diff --git a/tests/baselines/reference/multipleClassPropertyModifiersErrors.symbols b/tests/baselines/reference/multipleClassPropertyModifiersErrors.symbols
@@ -9,7 +9,8 @@ class C {
 >p2 : Symbol(C.p2, Decl(multipleClassPropertyModifiersErrors.ts, 1, 18))
 
 	static static p3;
->p3 : Symbol(C.p3, Decl(multipleClassPropertyModifiersErrors.ts, 2, 20))
+>static : Symbol(C.static, Decl(multipleClassPropertyModifiersErrors.ts, 2, 20))
+>p3 : Symbol(C.p3, Decl(multipleClassPropertyModifiersErrors.ts, 3, 14))
 
 	public private p4;
 >p4 : Symbol(C.p4, Decl(multipleClassPropertyModifiersErrors.ts, 3, 18))
diff --git a/tests/baselines/reference/multipleClassPropertyModifiersErrors.types b/tests/baselines/reference/multipleClassPropertyModifiersErrors.types
@@ -9,6 +9,7 @@ class C {
 >p2 : any
 
 	static static p3;
+>static : any
 >p3 : any
 
 	public private p4;
diff --git a/tests/baselines/reference/parserIndexMemberDeclaration10.errors.txt b/tests/baselines/reference/parserIndexMemberDeclaration10.errors.txt
@@ -1,9 +1,9 @@
-tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration10.ts(2,11): error TS1030: 'static' modifier already seen.
+tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration10.ts(2,18): error TS1005: ';' expected.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration10.ts (1 errors) ====
     class C {
        static static [x: string]: string;
-              ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                     ~
+!!! error TS1005: ';' expected.
     }
diff --git a/tests/baselines/reference/parserIndexMemberDeclaration10.symbols b/tests/baselines/reference/parserIndexMemberDeclaration10.symbols
@@ -3,5 +3,6 @@ class C {
 >C : Symbol(C, Decl(parserIndexMemberDeclaration10.ts, 0, 0))
 
    static static [x: string]: string;
+>static : Symbol(C.static, Decl(parserIndexMemberDeclaration10.ts, 0, 9))
 >x : Symbol(x, Decl(parserIndexMemberDeclaration10.ts, 1, 18))
 }
diff --git a/tests/baselines/reference/parserIndexMemberDeclaration10.types b/tests/baselines/reference/parserIndexMemberDeclaration10.types
@@ -3,5 +3,6 @@ class C {
 >C : C
 
    static static [x: string]: string;
+>static : any
 >x : string
 }
diff --git a/tests/baselines/reference/parserMemberAccessorDeclaration8.errors.txt b/tests/baselines/reference/parserMemberAccessorDeclaration8.errors.txt
@@ -1,12 +1,12 @@
-tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration8.ts(2,12): error TS1030: 'static' modifier already seen.
+tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration8.ts(2,19): error TS1005: ';' expected.
 tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration8.ts(2,23): error TS2378: A 'get' accessor must return a value.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration8.ts (2 errors) ====
     class C {
         static static get Foo() { }
-               ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                      ~~~
+!!! error TS1005: ';' expected.
                           ~~~
 !!! error TS2378: A 'get' accessor must return a value.
     }
diff --git a/tests/baselines/reference/parserMemberAccessorDeclaration8.js b/tests/baselines/reference/parserMemberAccessorDeclaration8.js
@@ -7,7 +7,7 @@ class C {
 var C = /** @class */ (function () {
     function C() {
     }
-    Object.defineProperty(C, "Foo", {
+    Object.defineProperty(C.prototype, "Foo", {
         get: function () { },
         enumerable: false,
         configurable: true
diff --git a/tests/baselines/reference/parserMemberAccessorDeclaration8.symbols b/tests/baselines/reference/parserMemberAccessorDeclaration8.symbols
@@ -3,5 +3,6 @@ class C {
 >C : Symbol(C, Decl(parserMemberAccessorDeclaration8.ts, 0, 0))
 
     static static get Foo() { }
->Foo : Symbol(C.Foo, Decl(parserMemberAccessorDeclaration8.ts, 0, 9))
+>static : Symbol(C.static, Decl(parserMemberAccessorDeclaration8.ts, 0, 9))
+>Foo : Symbol(C.Foo, Decl(parserMemberAccessorDeclaration8.ts, 1, 17))
 }
diff --git a/tests/baselines/reference/parserMemberAccessorDeclaration8.types b/tests/baselines/reference/parserMemberAccessorDeclaration8.types
@@ -3,5 +3,6 @@ class C {
 >C : C
 
     static static get Foo() { }
+>static : any
 >Foo : void
 }
diff --git a/tests/baselines/reference/parserMemberFunctionDeclaration2.errors.txt b/tests/baselines/reference/parserMemberFunctionDeclaration2.errors.txt
@@ -1,9 +1,9 @@
-tests/cases/conformance/parser/ecmascript5/MemberFunctionDeclarations/parserMemberFunctionDeclaration2.ts(2,12): error TS1030: 'static' modifier already seen.
+tests/cases/conformance/parser/ecmascript5/MemberFunctionDeclarations/parserMemberFunctionDeclaration2.ts(2,19): error TS1005: ';' expected.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/MemberFunctionDeclarations/parserMemberFunctionDeclaration2.ts (1 errors) ====
     class C {
         static static Foo() { }
-               ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                      ~~~
+!!! error TS1005: ';' expected.
     }
diff --git a/tests/baselines/reference/parserMemberFunctionDeclaration2.js b/tests/baselines/reference/parserMemberFunctionDeclaration2.js
@@ -7,6 +7,6 @@ class C {
 var C = /** @class */ (function () {
     function C() {
     }
-    C.Foo = function () { };
+    C.prototype.Foo = function () { };
     return C;
 }());
diff --git a/tests/baselines/reference/parserMemberFunctionDeclaration2.symbols b/tests/baselines/reference/parserMemberFunctionDeclaration2.symbols
@@ -3,5 +3,6 @@ class C {
 >C : Symbol(C, Decl(parserMemberFunctionDeclaration2.ts, 0, 0))
 
     static static Foo() { }
->Foo : Symbol(C.Foo, Decl(parserMemberFunctionDeclaration2.ts, 0, 9))
+>static : Symbol(C.static, Decl(parserMemberFunctionDeclaration2.ts, 0, 9))
+>Foo : Symbol(C.Foo, Decl(parserMemberFunctionDeclaration2.ts, 1, 17))
 }
diff --git a/tests/baselines/reference/parserMemberFunctionDeclaration2.types b/tests/baselines/reference/parserMemberFunctionDeclaration2.types
@@ -3,5 +3,6 @@ class C {
 >C : C
 
     static static Foo() { }
+>static : any
 >Foo : () => void
 }
diff --git a/tests/baselines/reference/parserMemberVariableDeclaration2.errors.txt b/tests/baselines/reference/parserMemberVariableDeclaration2.errors.txt
@@ -1,9 +1,9 @@
-tests/cases/conformance/parser/ecmascript5/MemberVariableDeclarations/parserMemberVariableDeclaration2.ts(2,10): error TS1030: 'static' modifier already seen.
+tests/cases/conformance/parser/ecmascript5/MemberVariableDeclarations/parserMemberVariableDeclaration2.ts(2,17): error TS1005: ';' expected.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/MemberVariableDeclarations/parserMemberVariableDeclaration2.ts (1 errors) ====
     class C {
       static static Foo;
-             ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                    ~~~
+!!! error TS1005: ';' expected.
     }
diff --git a/tests/baselines/reference/parserMemberVariableDeclaration2.symbols b/tests/baselines/reference/parserMemberVariableDeclaration2.symbols
@@ -3,5 +3,6 @@ class C {
 >C : Symbol(C, Decl(parserMemberVariableDeclaration2.ts, 0, 0))
 
   static static Foo;
->Foo : Symbol(C.Foo, Decl(parserMemberVariableDeclaration2.ts, 0, 9))
+>static : Symbol(C.static, Decl(parserMemberVariableDeclaration2.ts, 0, 9))
+>Foo : Symbol(C.Foo, Decl(parserMemberVariableDeclaration2.ts, 1, 15))
 }
diff --git a/tests/baselines/reference/parserMemberVariableDeclaration2.types b/tests/baselines/reference/parserMemberVariableDeclaration2.types
@@ -3,5 +3,6 @@ class C {
 >C : C
 
   static static Foo;
+>static : any
 >Foo : any
 }
diff --git a/tests/baselines/reference/staticAsIdentifier.errors.txt b/tests/baselines/reference/staticAsIdentifier.errors.txt
@@ -1,5 +1,5 @@
-tests/cases/compiler/staticAsIdentifier.ts(12,12): error TS1030: 'static' modifier already seen.
-tests/cases/compiler/staticAsIdentifier.ts(16,12): error TS1030: 'static' modifier already seen.
+tests/cases/compiler/staticAsIdentifier.ts(12,19): error TS1005: ';' expected.
+tests/cases/compiler/staticAsIdentifier.ts(16,19): error TS1005: ';' expected.
 
 
 ==== tests/cases/compiler/staticAsIdentifier.ts (2 errors) ====
@@ -15,13 +15,28 @@ tests/cases/compiler/staticAsIdentifier.ts(16,12): error TS1030: 'static' modifi
     
     class C3 {
         static static p: string;
-               ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                      ~
+!!! error TS1005: ';' expected.
     }
     
     class C4 {
         static static foo() {}
-               ~~~~~~
-!!! error TS1030: 'static' modifier already seen.
+                      ~~~
+!!! error TS1005: ';' expected.
     }
+    
+    class C5 {
+        static static
+    }
+    
+    class C6 {
+        static 
+        static
+    }
+    
+    class C7 extends C6 {
+        static override static
+    }
+    
+    
     
diff --git a/tests/baselines/reference/staticAsIdentifier.js b/tests/baselines/reference/staticAsIdentifier.js
@@ -16,9 +16,39 @@ class C3 {
 class C4 {
     static static foo() {}
 }
+
+class C5 {
+    static static
+}
+
+class C6 {
+    static 
+    static
+}
+
+class C7 extends C6 {
+    static override static
+}
+
+
 
 
 //// [staticAsIdentifier.js]
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
 var C1 = /** @class */ (function () {
     function C1() {
     }
@@ -38,6 +68,23 @@ var C3 = /** @class */ (function () {
 var C4 = /** @class */ (function () {
     function C4() {
     }
-    C4.foo = function () { };
+    C4.prototype.foo = function () { };
     return C4;
 }());
+var C5 = /** @class */ (function () {
+    function C5() {
+    }
+    return C5;
+}());
+var C6 = /** @class */ (function () {
+    function C6() {
+    }
+    return C6;
+}());
+var C7 = /** @class */ (function (_super) {
+    __extends(C7, _super);
+    function C7() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    return C7;
+}(C6));
diff --git a/tests/baselines/reference/staticAsIdentifier.symbols b/tests/baselines/reference/staticAsIdentifier.symbols
@@ -23,13 +23,40 @@ class C3 {
 >C3 : Symbol(C3, Decl(staticAsIdentifier.ts, 8, 1))
 
     static static p: string;
->p : Symbol(C3.p, Decl(staticAsIdentifier.ts, 10, 10))
+>static : Symbol(C3.static, Decl(staticAsIdentifier.ts, 10, 10))
+>p : Symbol(C3.p, Decl(staticAsIdentifier.ts, 11, 17))
 }
 
 class C4 {
 >C4 : Symbol(C4, Decl(staticAsIdentifier.ts, 12, 1))
 
     static static foo() {}
->foo : Symbol(C4.foo, Decl(staticAsIdentifier.ts, 14, 10))
+>static : Symbol(C4.static, Decl(staticAsIdentifier.ts, 14, 10))
+>foo : Symbol(C4.foo, Decl(staticAsIdentifier.ts, 15, 17))
 }
 
+class C5 {
+>C5 : Symbol(C5, Decl(staticAsIdentifier.ts, 16, 1))
+
+    static static
+>static : Symbol(C5.static, Decl(staticAsIdentifier.ts, 18, 10))
+}
+
+class C6 {
+>C6 : Symbol(C6, Decl(staticAsIdentifier.ts, 20, 1))
+
+    static 
+    static
+>static : Symbol(C6.static, Decl(staticAsIdentifier.ts, 22, 10))
+}
+
+class C7 extends C6 {
+>C7 : Symbol(C7, Decl(staticAsIdentifier.ts, 25, 1))
+>C6 : Symbol(C6, Decl(staticAsIdentifier.ts, 20, 1))
+
+    static override static
+>static : Symbol(C7.static, Decl(staticAsIdentifier.ts, 27, 21))
+}
+
+
+
diff --git a/tests/baselines/reference/staticAsIdentifier.types b/tests/baselines/reference/staticAsIdentifier.types
diff --git a/tests/baselines/reference/staticModifierAlreadySeen.errors.txt b/tests/baselines/reference/staticModifierAlreadySeen.errors.txt
diff --git a/tests/baselines/reference/staticModifierAlreadySeen.js b/tests/baselines/reference/staticModifierAlreadySeen.js
diff --git a/tests/baselines/reference/staticModifierAlreadySeen.symbols b/tests/baselines/reference/staticModifierAlreadySeen.symbols
diff --git a/tests/baselines/reference/staticModifierAlreadySeen.types b/tests/baselines/reference/staticModifierAlreadySeen.types
diff --git a/tests/cases/compiler/staticAsIdentifier.ts b/tests/cases/compiler/staticAsIdentifier.ts

Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@ class C {`
`3`	`3`	`>C : Symbol(C, Decl(parserIndexMemberDeclaration10.ts, 0, 0))`
`4`	`4`
`5`	`5`	`static static [x: string]: string;`
	`6`	`+>static : Symbol(C.static, Decl(parserIndexMemberDeclaration10.ts, 0, 9))`
`6`	`7`	`>x : Symbol(x, Decl(parserIndexMemberDeclaration10.ts, 1, 18))`
`7`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@ class C {`
`3`	`3`	`>C : C`
`4`	`4`
`5`	`5`	`static static [x: string]: string;`
	`6`	`+>static : any`
`6`	`7`	`>x : string`
`7`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@ class C {`
`7`	`7`	`var C = /** @class */ (function () {`
`8`	`8`	`function C() {`
`9`	`9`	`}`
`10`		`- Object.defineProperty(C, "Foo", {`
	`10`	`+ Object.defineProperty(C.prototype, "Foo", {`
`11`	`11`	`get: function () { },`
`12`	`12`	`enumerable: false,`
`13`	`13`	`configurable: true`
Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@ class C {`
`3`	`3`	`>C : Symbol(C, Decl(parserMemberAccessorDeclaration8.ts, 0, 0))`
`4`	`4`
`5`	`5`	`static static get Foo() { }`
`6`		`->Foo : Symbol(C.Foo, Decl(parserMemberAccessorDeclaration8.ts, 0, 9))`
	`6`	`+>static : Symbol(C.static, Decl(parserMemberAccessorDeclaration8.ts, 0, 9))`
	`7`	`+>Foo : Symbol(C.Foo, Decl(parserMemberAccessorDeclaration8.ts, 1, 17))`
`7`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,6 +7,6 @@ class C {`
`7`	`7`	`var C = /** @class */ (function () {`
`8`	`8`	`function C() {`
`9`	`9`	`}`
`10`		`- C.Foo = function () { };`
	`10`	`+ C.prototype.Foo = function () { };`
`11`	`11`	`return C;`
`12`	`12`	`}());`
Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@ class C {`
`3`	`3`	`>C : Symbol(C, Decl(parserMemberFunctionDeclaration2.ts, 0, 0))`
`4`	`4`
`5`	`5`	`static static Foo() { }`
`6`		`->Foo : Symbol(C.Foo, Decl(parserMemberFunctionDeclaration2.ts, 0, 9))`
	`6`	`+>static : Symbol(C.static, Decl(parserMemberFunctionDeclaration2.ts, 0, 9))`
	`7`	`+>Foo : Symbol(C.Foo, Decl(parserMemberFunctionDeclaration2.ts, 1, 17))`
`7`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@ class C {`
`3`	`3`	`>C : Symbol(C, Decl(parserMemberVariableDeclaration2.ts, 0, 0))`
`4`	`4`
`5`	`5`	`static static Foo;`
`6`		`->Foo : Symbol(C.Foo, Decl(parserMemberVariableDeclaration2.ts, 0, 9))`
	`6`	`+>static : Symbol(C.static, Decl(parserMemberVariableDeclaration2.ts, 0, 9))`
	`7`	`+>Foo : Symbol(C.Foo, Decl(parserMemberVariableDeclaration2.ts, 1, 15))`
`7`	`8`	`}`