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Added comments for __generator, reduced overall size of helper

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This commit is contained in:
Ron Buckton 2016-09-13 12:58:53 -07:00
parent 24b802e513
commit 094cb6d6d7
9 changed files with 237 additions and 305 deletions
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117
src/compiler/emitter.ts
View File

@ -71,49 +71,92 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};`;
// The __generator helper is used by down-level transformations to emulate the runtime
// semantics of an ES2015 generator function. When called, this helper returns an
// object that implements the Iterator protocol, in that it has `next`, `return`, and
// `throw` methods that step through the generator when invoked.
//
// parameters:
// thisArg The value to use as the `this` binding for the transformed generator body.
// body A function that acts as the transformed generator body.
//
// variables:
// _ Persistent state for the generator that is shared between the helper and the
// generator body. The state object has the following members:
// sent() - A method that returns or throws the current completion value.
// label - The next point at which to resume evaluation of the generator body.
// trys - A stack of protected regions (try/catch/finally blocks).
// ops - A stack of pending instructions when inside of a finally block.
// f A value indicating whether the generator is executing.
// y An iterator to delegate for a yield*.
// t A temporary variable that holds one of the following values (note that these
// cases do not overlap):
// - The completion value when resuming from a `yield` or `yield*`.
// - The error value for a catch block.
// - The current protected region (array of try/catch/finally/end labels).
// - The verb (`next`, `throw`, or `return` method) to delegate to the expression
// of a `yield*`.
// - The result of evaluating the verb delegated to the expression of a `yield*`.
//
// functions:
// verb(n) Creates a bound callback to the `step` function for opcode `n`.
// step(op) Evaluates opcodes in a generator body until execution is suspended or
// completed.
//
// The __generator helper understands a limited set of instructions:
// 0: next(value?) - Start or resume the generator with the specified value.
// 1: throw(error) - Resume the generator with an exception. If the generator is
// suspended inside of one or more protected regions, evaluates
// any intervening finally blocks between the current label and
// the nearest catch block or function boundary. If uncaught, the
// exception is thrown to the caller.
// 2: return(value?) - Resume the generator as if with a return. If the generator is
// suspended inside of one or more protected regions, evaluates any
// intervening finally blocks.
// 3: break(label) - Jump to the specified label. If the label is outside of the
// current protected region, evaluates any intervening finally
// blocks.
// 4: yield(value?) - Yield execution to the caller with an optional value. When
// resumed, the generator will continue at the next label.
// 5: yield*(value) - Delegates evaluation to the supplied iterator. When
// delegation completes, the generator will continue at the next
// label.
// 6: catch(error) - Handles an exception thrown from within the generator body. If
// the current label is inside of one or more protected regions,
// evaluates any intervening finally blocks between the current
// label and the nearest catch block or function boundary. If
// uncaught, the exception is thrown to the caller.
// 7: endfinally - Ends a finally block, resuming the last instruction prior to
// entering a finally block.
//
// For examples of how these are used, see the comments in ./transformers/generators.ts
const generatorHelper = `
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};`;
// emit output for the __export helper function

19
src/compiler/transformers/generators.ts
View File

@ -21,10 +21,11 @@
// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey.
// If jumping out of a protected region, all .finally
// blocks are executed.
// .yield RESUME, (x) - Yield the value of the optional expression `x`.
// Resume at the label RESUME.
// .yieldstar RESUME, (x) - Delegate yield to the value of the optional
// expression `x`. Resume at the label RESUME.
// .yield (x) - Yield the value of the optional expression `x`.
// Resume at the next label.
// .yieldstar (x) - Delegate yield to the value of the optional
// expression `x`. Resume at the next label.
// NOTE: `x` must be an Iterator, not an Iterable.
// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or
// "break" abrupt completions jump to the CONTINUE or
// BREAK labels, respectively.
@ -80,13 +81,13 @@
// -------------------------------|----------------------------------------------
// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL];
// -------------------------------|----------------------------------------------
// .yield RESUME, (x) | return [4 /*yield*/, x];
// .yield (x) | return [4 /*yield*/, x];
// .mark RESUME | case RESUME:
// a = %sent%; | a = state.sent();
// a = %sent%; | a = state.sent();
// -------------------------------|----------------------------------------------
// .yieldstar RESUME, (X) | return [5 /*yield**/, x];
// .yieldstar (x) | return [5 /*yield**/, x];
// .mark RESUME | case RESUME:
// a = %sent%; | a = state.sent();
// a = %sent%; | a = state.sent();
// -------------------------------|----------------------------------------------
// .with (_a) | with (_a) {
// a(); | a();
@ -109,7 +110,7 @@
// .br END | return [3 /*break*/, END];
// .catch (e) |
// .mark CATCH | case CATCH:
// | e = state.error;
// | e = state.sent();
// b(); | b();
// .br END | return [3 /*break*/, END];
// .finally |

58
tests/baselines/reference/asyncAwaitIsolatedModules_es5.js
View File

@ -50,47 +50,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
var _this = this;
function f0() {

58
tests/baselines/reference/asyncAwait_es5.js
View File

@ -49,47 +49,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
var _this = this;
function f0() {

58
tests/baselines/reference/asyncFunctionNoReturnType.js
View File

@ -15,47 +15,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
var _this = this;
(function () { return __awaiter(_this, void 0, void 0, function () {

58
tests/baselines/reference/asyncImportedPromise_es5.js
View File

@ -35,47 +35,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
var task_1 = require("./task");
var Test = (function () {

58
tests/baselines/reference/asyncMultiFile_es5.js
View File

@ -15,47 +15,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
function f() {
return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) {

58
tests/baselines/reference/es5-asyncFunction.js
View File

@ -18,47 +18,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
function empty() {
return __awaiter(this, void 0, void 0, function () {

58
tests/baselines/reference/es5-importHelpersAsyncFunctions.js
View File

@ -38,47 +38,31 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (sent[0] === 1) throw sent[1]; return sent[1]; }, trys: [], stack: [] }, sent, y, f, v, r;
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (1) {
if (_.done) switch (op[0]) {
case 0: return { value: void 0, done: true };
case 1: case 6: throw op[1];
case 2: return { value: op[1], done: true };
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
try {
if (f = 1, y) {
v = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"];
if (v && !(v = v.call(y, op[1])).done) return v;
if (y = void 0, v) op[0] = 0, op[1] = v.value; continue;
}
switch (op[0]) {
case 0: case 1: sent = op; break;
case 4: return _.label++, { value: op[1], done: false };
case 5: _.label++, y = op[1], op = [0]; continue;
case 7: op = _.stack.pop(), _.trys.pop(); continue;
default:
r = _.trys.length > 0 && _.trys[_.trys.length - 1];
if (!r && (op[0] === 6 || op[0] === 2)) { _.done = 1; continue; }
if (op[0] === 3 && (!r || (op[1] > r[0] && op[1] < r[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < r[1]) { _.label = r[1], sent = op; break; }
if (r && _.label < r[2]) { _.label = r[2], _.stack.push(op); break; }
if (r[2]) { _.stack.pop(); }
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
}
catch (e) { op = [6, e], y = void 0; }
finally { f = 0, sent = v = r = void 0; }
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
return {
next: function (v) { return step([0, v]); },
"throw": function (v) { return step([1, v]); },
"return": function (v) { return step([2, v]); }
};
};
function foo() {
return __awaiter(this, void 0, void 0, function () {