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Treat hoisted temp variables as a custom prologue

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This commit is contained in:
Ron Buckton 2019-04-02 17:15:40 -07:00
parent 3f3444be80
commit f04a40dd49
26 changed files with 146 additions and 66 deletions
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2
src/compiler/transformer.ts
View file

@ -327,6 +327,8 @@ namespace ts {
createVariableDeclarationList(lexicalEnvironmentVariableDeclarations)
);
setEmitFlags(statement, EmitFlags.CustomPrologue);
if (!statements) {
statements = [statement];
}

3
tests/baselines/reference/asyncArrowFunction11_es5.js
View file

@ -53,7 +53,8 @@ var A = /** @class */ (function () {
args[_i] = arguments[_i];
}
return __awaiter(_this, void 0, void 0, function () {
var _a, obj;
var obj;
var _a;
var _this = this;
return __generator(this, function (_b) {
switch (_b.label) {

3
tests/baselines/reference/asyncArrowFunction8_es5.js
View file

@ -6,7 +6,8 @@ var foo = async (): Promise<void> => {
//// [asyncArrowFunction8_es5.js]
var _this = this;
var foo = function () { return __awaiter(_this, void 0, void 0, function () {
var _a, v;
var v;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:

3
tests/baselines/reference/asyncFunctionDeclaration9_es5.js
View file

@ -6,7 +6,8 @@ async function foo(): Promise<void> {
//// [asyncFunctionDeclaration9_es5.js]
function foo() {
return __awaiter(this, void 0, void 0, function () {
var _a, v;
var v;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:

2
tests/baselines/reference/bindingPatternOmittedExpressionNesting.js
View file

@ -3,8 +3,8 @@ export let [,,[,[],,[],]] = undefined as any;
//// [bindingPatternOmittedExpressionNesting.js]
"use strict";
exports.__esModule = true;
var _a, _b, _c, _d;
exports.__esModule = true;
exports._e = (_a = undefined, _b = _a[2], _c = _b[1], _d = _b[3]);

13
tests/baselines/reference/blockScopedBindingsInDownlevelGenerator.js
View file

@ -45,7 +45,8 @@ var __values = (this && this.__values) || function (o) {
};
};
function a() {
var e_1, _a, _loop_1, _b, _c, i, e_1_1;
var _loop_1, _a, _b, i, e_1_1;
var e_1, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
@ -64,17 +65,17 @@ function a() {
_d.label = 1;
case 1:
_d.trys.push([1, 6, 7, 8]);
_b = __values([1, 2, 3]), _c = _b.next();
_a = __values([1, 2, 3]), _b = _a.next();
_d.label = 2;
case 2:
if (!!_c.done) return [3 /*break*/, 5];
i = _c.value;
if (!!_b.done) return [3 /*break*/, 5];
i = _b.value;
return [5 /*yield**/, _loop_1(i)];
case 3:
_d.sent();
_d.label = 4;
case 4:
_c = _b.next();
_b = _a.next();
return [3 /*break*/, 2];
case 5: return [3 /*break*/, 8];
case 6:
@ -83,7 +84,7 @@ function a() {
return [3 /*break*/, 8];
case 7:
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_1) throw e_1.error; }
return [7 /*endfinally*/];

3
tests/baselines/reference/compoundExponentiationAssignmentLHSIsValue.js
View file

@ -148,9 +148,8 @@ _a = Math.pow(['', ''], value), '' = _a[0], '' = _a[1];
var Derived = /** @class */ (function (_super) {
__extends(Derived, _super);
function Derived() {
var _this = this;
var _a;
_this = _super.call(this) || this;
var _this = _super.call(this) || this;
(_a = _super.prototype). = Math.pow(_a., value);
return _this;
}

2
tests/baselines/reference/declarationEmitComputedNameCausesImportToBePainted.js
View file

@ -20,8 +20,8 @@ exports.__esModule = true;
exports.Key = Symbol();
//// [index.js]
"use strict";
exports.__esModule = true;
var _a;
exports.__esModule = true;
var context_1 = require("./context");
exports.context = (_a = {},
_a[context_1.Key] = 'bar',

2
tests/baselines/reference/declarationEmitComputedNameConstEnumAlias.js
View file

@ -24,8 +24,8 @@ var EnumExample;
exports["default"] = EnumExample;
//// [index.js]
"use strict";
exports.__esModule = true;
var _a;
exports.__esModule = true;
var EnumExample_1 = require("./EnumExample");
exports["default"] = (_a = {},
_a[EnumExample_1["default"].TEST] = {},

4
tests/baselines/reference/declarationEmitPrivateSymbolCausesVarDeclarationEmit2.js
View file

@ -25,8 +25,8 @@ exports.__esModule = true;
exports.x = Symbol();
//// [b.js]
"use strict";
exports.__esModule = true;
var _a;
exports.__esModule = true;
var a_1 = require("./a");
var C = /** @class */ (function () {
function C() {
@ -51,8 +51,8 @@ var __extends = (this && this.__extends) || (function () {
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
exports.__esModule = true;
var _a;
exports.__esModule = true;
var a_1 = require("./a");
var b_1 = require("./b");
var D = /** @class */ (function (_super) {

2
tests/baselines/reference/declarationEmitWithDefaultAsComputedName.js
View file

@ -25,8 +25,8 @@ exports.default = createExperiment({
});
//// [main.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
var other_1 = require("./other");
exports.obj = (_a = {},
_a[other_1.default.name] = 1,

2
tests/baselines/reference/declarationEmitWithDefaultAsComputedName2.js
View file

@ -25,8 +25,8 @@ exports.default = createExperiment({
});
//// [main.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
var other2 = require("./other");
exports.obj = (_a = {},
_a[other2.default.name] = 1,

2
tests/baselines/reference/decoratedClassExportsCommonJS1.js
View file

@ -14,8 +14,8 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
var Testing123_1;
Object.defineProperty(exports, "__esModule", { value: true });
let Testing123 = Testing123_1 = class Testing123 {
};
Testing123.prop1 = Testing123_1.prop0;

2
tests/baselines/reference/decoratedClassExportsCommonJS2.js
View file

@ -12,8 +12,8 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
var Testing123_1;
Object.defineProperty(exports, "__esModule", { value: true });
let Testing123 = Testing123_1 = class Testing123 {
};
Testing123 = Testing123_1 = __decorate([

2
tests/baselines/reference/emitClassExpressionInDeclarationFile2.js
View file

@ -44,8 +44,8 @@ var __extends = (this && this.__extends) || (function () {
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
exports.__esModule = true;
var _a;
exports.__esModule = true;
exports.noPrivates = (_a = /** @class */ (function () {
function class_1() {
this.p = 12;

6
tests/baselines/reference/emitter.forAwait.es2015.js
View file

@ -58,8 +58,8 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
function f1() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function* () {
var e_1, _a;
let y;
try {
for (var y_1 = __asyncValues(y), y_1_1; y_1_1 = yield y_1.next(), !y_1_1.done;) {
@ -92,8 +92,8 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
function f2() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function* () {
var e_1, _a;
let x, y;
try {
for (var y_1 = __asyncValues(y), y_1_1; y_1_1 = yield y_1.next(), !y_1_1.done;) {
@ -203,8 +203,8 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
};
// https://github.com/Microsoft/TypeScript/issues/21363
function f5() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function* () {
var e_1, _a;
let y;
try {
outer: for (var y_1 = __asyncValues(y), y_1_1; y_1_1 = yield y_1.next(), !y_1_1.done;) {

18
tests/baselines/reference/emitter.forAwait.es5.js
View file

@ -85,8 +85,9 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
function f1() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function () {
var e_1, _a, y, y_1, y_1_1, x, e_1_1;
var y, y_1, y_1_1, x, e_1_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -165,8 +166,9 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
function f2() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function () {
var e_1, _a, x, y, y_1, y_1_1, e_1_1;
var x, y, y_1, y_1_1, e_1_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -250,7 +252,8 @@ var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _ar
};
function f3() {
return __asyncGenerator(this, arguments, function f3_1() {
var e_1, _a, y, y_1, y_1_1, x, e_1_1;
var y, y_1, y_1_1, x, e_1_1;
var e_1, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -334,7 +337,8 @@ var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _ar
};
function f4() {
return __asyncGenerator(this, arguments, function f4_1() {
var e_1, _a, x, y, y_1, y_1_1, e_1_1;
var x, y, y_1, y_1_1, e_1_1;
var e_1, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -414,8 +418,9 @@ var __asyncValues = (this && this.__asyncValues) || function (o) {
};
// https://github.com/Microsoft/TypeScript/issues/21363
function f5() {
var e_1, _a;
return __awaiter(this, void 0, void 0, function () {
var e_1, _a, y, y_1, y_1_1, x, e_1_1;
var y, y_1, y_1_1, x, e_1_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -500,7 +505,8 @@ var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _ar
// https://github.com/Microsoft/TypeScript/issues/21363
function f6() {
return __asyncGenerator(this, arguments, function f6_1() {
var e_1, _a, y, y_1, y_1_1, x, e_1_1;
var y, y_1, y_1_1, x, e_1_1;
var e_1, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:

50
tests/baselines/reference/es5-asyncFunctionForOfStatements.js
View file

@ -315,7 +315,8 @@ function forOfStatement10() {
}
function forOfStatement11() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, y_8, _b;
var _i, y_8, _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
@ -323,17 +324,17 @@ function forOfStatement11() {
_c.label = 1;
case 1:
if (!(_i < y_8.length)) return [3 /*break*/, 6];
_a = y_8[_i][0];
if (!(_a === void 0)) return [3 /*break*/, 3];
_b = y_8[_i][0];
if (!(_b === void 0)) return [3 /*break*/, 3];
return [4 /*yield*/, a];
case 2:
_b = _c.sent();
_a = _c.sent();
return [3 /*break*/, 4];
case 3:
_b = _a;
_a = _b;
_c.label = 4;
case 4:
x = _b;
x = _a;
z;
_c.label = 5;
case 5:
@ -346,18 +347,19 @@ function forOfStatement11() {
}
function forOfStatement12() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, _b;
var _i, _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_i = 0;
return [4 /*yield*/, y];
case 1:
_b = _c.sent();
_a = _c.sent();
_c.label = 2;
case 2:
if (!(_i < _b.length)) return [3 /*break*/, 4];
_a = _b[_i][0], x = _a === void 0 ? a : _a;
if (!(_i < _a.length)) return [3 /*break*/, 4];
_b = _a[_i][0], x = _b === void 0 ? a : _b;
z;
_c.label = 3;
case 3:
@ -370,7 +372,8 @@ function forOfStatement12() {
}
function forOfStatement13() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, y_9;
var _i, y_9;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
@ -440,7 +443,8 @@ function forOfStatement15() {
}
function forOfStatement16() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, y_11, _b;
var _i, y_11, _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
@ -448,17 +452,17 @@ function forOfStatement16() {
_c.label = 1;
case 1:
if (!(_i < y_11.length)) return [3 /*break*/, 6];
_a = y_11[_i].x;
if (!(_a === void 0)) return [3 /*break*/, 3];
_b = y_11[_i].x;
if (!(_b === void 0)) return [3 /*break*/, 3];
return [4 /*yield*/, a];
case 2:
_b = _c.sent();
_a = _c.sent();
return [3 /*break*/, 4];
case 3:
_b = _a;
_a = _b;
_c.label = 4;
case 4:
x = _b;
x = _a;
z;
_c.label = 5;
case 5:
@ -471,18 +475,19 @@ function forOfStatement16() {
}
function forOfStatement17() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, _b;
var _i, _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_i = 0;
return [4 /*yield*/, y];
case 1:
_b = _c.sent();
_a = _c.sent();
_c.label = 2;
case 2:
if (!(_i < _b.length)) return [3 /*break*/, 4];
_a = _b[_i].x, x = _a === void 0 ? a : _a;
if (!(_i < _a.length)) return [3 /*break*/, 4];
_b = _a[_i].x, x = _b === void 0 ? a : _b;
z;
_c.label = 3;
case 3:
@ -495,7 +500,8 @@ function forOfStatement17() {
}
function forOfStatement18() {
return __awaiter(this, void 0, void 0, function () {
var _a, _i, y_12;
var _i, y_12;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:

24
tests/baselines/reference/es5-asyncFunctionObjectLiterals.js
View file

@ -105,17 +105,18 @@ function objectLiteral2() {
}
function objectLiteral3() {
return __awaiter(this, void 0, void 0, function () {
var _a, _b;
var _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = {};
_b = a;
_b = {};
_a = a;
return [4 /*yield*/, y];
case 1:
x = (_a[_b] = _c.sent(),
_a.b = z,
_a);
x = (_b[_a] = _c.sent(),
_b.b = z,
_b);
return [2 /*return*/];
}
});
@ -158,18 +159,19 @@ function objectLiteral5() {
}
function objectLiteral6() {
return __awaiter(this, void 0, void 0, function () {
var _a, _b;
var _a;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = {
_b = {
a: y
};
_b = b;
_a = b;
return [4 /*yield*/, z];
case 1:
x = (_a[_b] = _c.sent(),
_a);
x = (_b[_a] = _c.sent(),
_b);
return [2 /*return*/];
}
});

2
tests/baselines/reference/objectLiteralComputedNameNoDeclarationError.js
View file

@ -9,8 +9,8 @@ export const Baa = {
//// [objectLiteralComputedNameNoDeclarationError.js]
"use strict";
exports.__esModule = true;
var _a;
exports.__esModule = true;
var Foo = {
BANANA: 'banana'
};

32
tests/baselines/reference/restParameterInDownlevelGenerator.js Normal file
View file

@ -0,0 +1,32 @@
//// [restParameterInDownlevelGenerator.ts]
// https://github.com/Microsoft/TypeScript/issues/30653
function * mergeStringLists(...strings: string[]) {
for (var str of strings);
}
//// [restParameterInDownlevelGenerator.js]
// https://github.com/Microsoft/TypeScript/issues/30653
function mergeStringLists() {
var _i, strings_1, strings_1_1, str;
var e_1, _a;
var strings = [];
for (_i = 0; _i < arguments.length; _i++) {
strings[_i] = arguments[_i];
}
return __generator(this, function (_b) {
try {
for (strings_1 = __values(strings), strings_1_1 = strings_1.next(); !strings_1_1.done; strings_1_1 = strings_1.next()) {
str = strings_1_1.value;
;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (strings_1_1 && !strings_1_1.done && (_a = strings_1.return)) _a.call(strings_1);
}
finally { if (e_1) throw e_1.error; }
}
return [2 /*return*/];
});
}

10
tests/baselines/reference/restParameterInDownlevelGenerator.symbols Normal file
View file

@ -0,0 +1,10 @@
=== tests/cases/conformance/generators/restParameterInDownlevelGenerator.ts ===
// https://github.com/Microsoft/TypeScript/issues/30653
function * mergeStringLists(...strings: string[]) {
>mergeStringLists : Symbol(mergeStringLists, Decl(restParameterInDownlevelGenerator.ts, 0, 0))
>strings : Symbol(strings, Decl(restParameterInDownlevelGenerator.ts, 1, 28))
for (var str of strings);
>str : Symbol(str, Decl(restParameterInDownlevelGenerator.ts, 2, 12))
>strings : Symbol(strings, Decl(restParameterInDownlevelGenerator.ts, 1, 28))
}

10
tests/baselines/reference/restParameterInDownlevelGenerator.types Normal file
View file

@ -0,0 +1,10 @@
=== tests/cases/conformance/generators/restParameterInDownlevelGenerator.ts ===
// https://github.com/Microsoft/TypeScript/issues/30653
function * mergeStringLists(...strings: string[]) {
>mergeStringLists : (...strings: string[]) => IterableIterator<any>
>strings : string[]
for (var str of strings);
>str : string
>strings : string[]
}

2
tests/baselines/reference/uniqueSymbolAllowsIndexInObjectWithIndexSignature.js
View file

@ -13,8 +13,8 @@ let b: I = {[SYM]: 'str'}; // Expect error
//// [uniqueSymbolAllowsIndexInObjectWithIndexSignature.js]
"use strict";
exports.__esModule = true;
var _a, _b;
exports.__esModule = true;
// https://github.com/Microsoft/TypeScript/issues/21962
exports.SYM = Symbol('a unique symbol');
var a = (_a = {}, _a[exports.SYM] = 'sym', _a); // Expect ok

2
tests/baselines/reference/variableDeclarationDeclarationEmitUniqueSymbolPartialStatement.js
View file

@ -7,8 +7,8 @@ export class Foo {
//// [variableDeclarationDeclarationEmitUniqueSymbolPartialStatement.js]
"use strict";
exports.__esModule = true;
var _a;
exports.__esModule = true;
var key = Symbol(), value = 12;
var Foo = /** @class */ (function () {
function Foo() {

9
tests/cases/conformance/generators/restParameterInDownlevelGenerator.ts Normal file
View file

@ -0,0 +1,9 @@
// @target: es5
// @lib: es2015
// @downlevelIteration: true
// @noEmitHelpers: true
// https://github.com/Microsoft/TypeScript/issues/30653
function * mergeStringLists(...strings: string[]) {
for (var str of strings);
}