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Merge pull request #889 from neVERberleRfellerER/rest-args-optimization-v2

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Add rest parameters optimization
This commit is contained in:
Sebastian McKenzie
2015-02-26 15:03:51 +11:00
parent 00c964ed19 b5f3c3f4cc
commit 89bcb307a2
11 changed files with 170 additions and 43 deletions
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3
test/fixtures/transformation/es6-parameters.rest/arrow-functions/actual.js vendored
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@@ -1,3 +1,4 @@
var concat = (...arrs) => {
var x = arrs[0];
var y = arrs[1];
};

7
test/fixtures/transformation/es6-parameters.rest/arrow-functions/expected.js vendored
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@@ -1,7 +1,8 @@
"use strict";
var _arguments = arguments;
var concat = function () {
for (var _len = arguments.length, arrs = Array(_len), _key = 0; _key < _len; _key++) {
arrs[_key] = arguments[_key];
}
var x = _arguments[0];
var y = _arguments[1];
};

24
test/fixtures/transformation/es6-parameters.rest/deopt/actual.js vendored Normal file
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@@ -0,0 +1,24 @@
var x = function (foo, ...bar) {
console.log(bar);
};
var y = function (foo, ...bar) {
var x = function z(bar) {
bar[1] = 5;
};
};
var z = function (foo, ...bar) {
var x = function () {
bar[1] = 5;
};
};
var a = function (foo, ...bar) {
return bar.join(',');
};
var b = function (foo, ...bar) {
var join = "join";
return bar[join];
};

43
test/fixtures/transformation/es6-parameters.rest/deopt/expected.js vendored Normal file
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@@ -0,0 +1,43 @@
"use strict";
var x = function x(foo) {
for (var _len = arguments.length, bar = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
bar[_key - 1] = arguments[_key];
}
console.log(bar);
};
var y = function y(foo) {
var x = function z(bar) {
bar[1] = 5;
};
};
var z = function z(foo) {
for (var _len = arguments.length, bar = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
bar[_key - 1] = arguments[_key];
}
var x = function x() {
bar[1] = 5;
};
};
var a = function a(foo) {
for (var _len = arguments.length, bar = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
bar[_key - 1] = arguments[_key];
}
return bar.join(",");
};
var b = function b(foo) {
for (var _len = arguments.length, bar = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
bar[_key - 1] = arguments[_key];
}
var join = "join";
return bar[join];
};

8
test/fixtures/transformation/es6-parameters.rest/multiple/actual.js vendored
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@@ -1,7 +1,11 @@
var t = function (f, ...items) {
var x = f;
x = items[0];
x = items[1];
};
function t(f, ...items) {
var x = f;
x = items[0];
x = items[1];
}

13
test/fixtures/transformation/es6-parameters.rest/multiple/expected.js vendored
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@@ -1,13 +1,14 @@
"use strict";
var t = function t(f) {
for (var _len = arguments.length, items = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
items[_key - 1] = arguments[_key];
}
var x = f;
x = arguments[1];
x = arguments[2];
};
function t(f) {
for (var _len = arguments.length, items = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
items[_key - 1] = arguments[_key];
}
var x = f;
x = arguments[1];
x = arguments[2];
}

1
test/fixtures/transformation/es6-parameters.rest/pattern/actual.js vendored
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@@ -1,3 +1,2 @@
var foo = function (...[a, b]) {
};

9
test/fixtures/transformation/es6-parameters.rest/pattern/expected.js vendored
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@@ -1,10 +1,7 @@
"use strict";
var foo = function foo() {
for (var _len = arguments.length, _ref = Array(_len), _key = 0; _key < _len; _key++) {
_ref[_key] = arguments[_key];
}
var a = _ref[0];
var b = _ref[1];
var a = arguments[0],
b = arguments[1];
};

6
test/fixtures/transformation/es6-parameters.rest/single/actual.js vendored
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@@ -1,7 +1,9 @@
var t = function (...items) {
var x = items[0];
var y = items[1];
}
function t(...items) {
var x = items[0];
var y = items[1];
}

11
test/fixtures/transformation/es6-parameters.rest/single/expected.js vendored
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@@ -1,13 +1,12 @@
"use strict";
var t = function t() {
for (var _len = arguments.length, items = Array(_len), _key = 0; _key < _len; _key++) {
items[_key] = arguments[_key];
}
var x = arguments[0];
var y = arguments[1];
};
function t() {
for (var _len = arguments.length, items = Array(_len), _key = 0; _key < _len; _key++) {
items[_key] = arguments[_key];
}
var x = arguments[0];
var y = arguments[1];
}