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close iterators on abrupt completion - google/traceur-compiler#1773 #838

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This commit is contained in:
Sebastian McKenzie
2015-02-27 11:44:13 +11:00
parent 5d90c442cb
commit a9db70b60d
20 changed files with 604 additions and 118 deletions
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39
test/fixtures/transformation/es6-block-scoping/hoisting/expected.js vendored
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@@ -1,14 +1,33 @@
"use strict";
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var x;
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
(function () {
var i = _step.value;
x = 5;
try {
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var x;
fns.push(function () {
return i * x;
});
})();
}
(function () {
var i = _step.value;
x = 5;
fns.push(function () {
return i * x;
});
})();
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

31
test/fixtures/transformation/es6-destructuring/for-of/expected.js vendored
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@@ -2,10 +2,29 @@
var _slicedToArray = function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { var _arr = []; for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) { _arr.push(_step.value); if (i && _arr.length === i) break; } return _arr; } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } };
for (var _iterator = test.expectation.registers[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var _step$value = _slicedToArray(_step.value, 3);
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
var name = _step$value[0];
var before = _step$value[1];
var after = _step$value[2];
}
try {
for (var _iterator = test.expectation.registers[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var _step$value = _slicedToArray(_step.value, 3);
var name = _step$value[0];
var before = _step$value[1];
var after = _step$value[2];
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

155
test/fixtures/transformation/es6-for-of/break/expected.js vendored
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@@ -2,44 +2,135 @@
// labels
foo: for (var _iterator = foo()[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var x = _step.value;
foo: {
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
while (true) {
if (_iterator["return"]) _iterator["return"]();
try {
for (var _iterator = foo()[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var x = _step.value;
break foo;
while (true) {
break foo;
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
}
}foo: {
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
foo: for (var _iterator2 = foo()[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
var x = _step2.value;
try {
for (var _iterator2 = foo()[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var x = _step2.value;
while (true) {
break;
}
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
}foo: {
var _iteratorNormalCompletion3 = true;
var _didIteratorError3 = false;
var _iteratorError3 = undefined;
try {
for (var _iterator3 = foo()[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
var x = _step3.value;
break foo;
}
} catch (err) {
_didIteratorError3 = true;
_iteratorError3 = err;
} finally {
try {
if (!_iteratorNormalCompletion3 && _iterator3["return"]) {
_iterator3["return"]();
}
} finally {
if (_didIteratorError3) {
throw _iteratorError3;
}
}
}
} // basic
var _iteratorNormalCompletion4 = true;
var _didIteratorError4 = false;
var _iteratorError4 = undefined;
try {
for (var _iterator4 = foo()[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
var x = _step4.value;
while (true) {
break;
}
}
foo: for (var _iterator3 = foo()[Symbol.iterator](), _step3; !(_step3 = _iterator3.next()).done;) {
var x = _step3.value;
if (_iterator3["return"]) _iterator3["return"]();
break foo;
}
// basic
for (var _iterator4 = foo()[Symbol.iterator](), _step4; !(_step4 = _iterator4.next()).done;) {
var x = _step4.value;
if (_iterator4["return"]) _iterator4["return"]();
break;
}
for (var _iterator5 = foo()[Symbol.iterator](), _step5; !(_step5 = _iterator5.next()).done;) {
var x = _step5.value;
while (true) {
break;
} catch (err) {
_didIteratorError4 = true;
_iteratorError4 = err;
} finally {
try {
if (!_iteratorNormalCompletion4 && _iterator4["return"]) {
_iterator4["return"]();
}
} finally {
if (_didIteratorError4) {
throw _iteratorError4;
}
}
}
var _iteratorNormalCompletion5 = true;
var _didIteratorError5 = false;
var _iteratorError5 = undefined;
try {
for (var _iterator5 = foo()[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
var x = _step5.value;
while (true) {
break;
}
}
} catch (err) {
_didIteratorError5 = true;
_iteratorError5 = err;
} finally {
try {
if (!_iteratorNormalCompletion5 && _iterator5["return"]) {
_iterator5["return"]();
}
} finally {
if (_didIteratorError5) {
throw _iteratorError5;
}
}
}

25
test/fixtures/transformation/es6-for-of/identifier/expected.js vendored
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@@ -1,5 +1,24 @@
"use strict";
for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
i = _step.value;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = arr[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

25
test/fixtures/transformation/es6-for-of/let/expected.js vendored
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@@ -1,5 +1,24 @@
"use strict";
for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = arr[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

25
test/fixtures/transformation/es6-for-of/member-expression/expected.js vendored
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@@ -1,5 +1,24 @@
"use strict";
for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
obj.prop = _step.value;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = arr[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
obj.prop = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

48
test/fixtures/transformation/es6-for-of/multiple/expected.js vendored
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@@ -1,9 +1,47 @@
"use strict";
for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = arr[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
for (var _iterator2 = numbers[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
var i = _step2.value;
}
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = numbers[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var i = _step2.value;
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}

25
test/fixtures/transformation/es6-for-of/var/expected.js vendored
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@@ -1,5 +1,24 @@
"use strict";
for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = arr[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

26
test/fixtures/transformation/es7-comprehensions/arguments/expected.js vendored
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@@ -5,15 +5,33 @@ function add() {
return (function () {
var _ref = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
_ref.push(i * _arguments[0]);
_ref.push(i * _arguments[0]);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _ref;
})();
}
add(5);
add(5);

28
test/fixtures/transformation/es7-comprehensions/array-expression-single-if/expected.js vendored
View File

@@ -2,14 +2,32 @@
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
if (i > 1) {
_arr.push(i * i);
if (i > 1) {
_arr.push(i * i);
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();

26
test/fixtures/transformation/es7-comprehensions/array-expression-single/expected.js vendored
View File

@@ -2,12 +2,30 @@
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
_arr.push(i * i);
_arr.push(i * i);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();

50
test/fixtures/transformation/es7-comprehensions/array-multiple-if/expected.js vendored
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@@ -2,18 +2,54 @@
var seattlers = (function () {
var _seattlers = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = countries[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var customers = _step.value;
try {
for (var _iterator = countries[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var customers = _step.value;
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
for (var _iterator2 = customers[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
var c = _step2.value;
try {
for (var _iterator2 = customers[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var c = _step2.value;
if (c.city == "Seattle") {
_seattlers.push({ name: c.name, age: c.age });
if (c.city == "Seattle") {
_seattlers.push({ name: c.name, age: c.age });
}
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _seattlers;
})();
})();

48
test/fixtures/transformation/es7-comprehensions/array-multiple/expected.js vendored
View File

@@ -2,16 +2,52 @@
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = "abcdefgh".split("")[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var x = _step.value;
try {
for (var _iterator = "abcdefgh".split("")[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var x = _step.value;
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
for (var _iterator2 = "12345678".split("")[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
var y = _step2.value;
try {
for (var _iterator2 = "12345678".split("")[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var y = _step2.value;
_arr.push(x + y);
_arr.push(x + y);
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();

28
test/fixtures/transformation/es7-comprehensions/array-single-if/expected.js vendored
View File

@@ -2,14 +2,32 @@
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = nums[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = nums[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
if (i > 1) {
_arr.push(i * i);
if (i > 1) {
_arr.push(i * i);
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();

26
test/fixtures/transformation/es7-comprehensions/array-single/expected.js vendored
View File

@@ -2,12 +2,30 @@
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = nums[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = nums[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
_arr.push(i * i);
_arr.push(i * i);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();

26
test/fixtures/transformation/es7-comprehensions/array-this/expected.js vendored
View File

@@ -5,15 +5,33 @@ function add() {
return (function () {
var _ref = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
_ref.push(i * _this.multiplier);
_ref.push(i * _this.multiplier);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _ref;
})();
}
add.call({ multiplier: 5 });
add.call({ multiplier: 5 });

25
test/fixtures/transformation/runtime/es6-for-of/expected.js vendored
View File

@@ -2,6 +2,25 @@
var _core = require("babel-runtime/core-js")["default"];
for (var _iterator = _core.$for.getIterator(arr), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = _core.$for.getIterator(arr), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}

26
test/fixtures/transformation/runtime/es7-array-comprehensions/expected.js vendored
View File

@@ -4,12 +4,30 @@ var _core = require("babel-runtime/core-js")["default"];
var arr = (function () {
var _arr = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
for (var _iterator = _core.$for.getIterator(nums), _step; !(_step = _iterator.next()).done;) {
var i = _step.value;
try {
for (var _iterator = _core.$for.getIterator(nums), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
_arr.push(i * i);
_arr.push(i * i);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _arr;
})();
})();