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fix emit for unary operators on exported variables in system modules

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This commit is contained in:
Vladimir Matveev 2016-03-27 19:52:24 -07:00
parent 5880029a13
commit 8ebe08105d
6 changed files with 20 additions and 17 deletions
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5
src/compiler/transformers/module/system.ts
View File

@ -1092,13 +1092,16 @@ namespace ts {
if (substitute) {
const exportDeclaration = resolver.getReferencedExportContainer(<Identifier>operand);
if (exportDeclaration) {
const expr = createPostfix(operand, node.operator, node);
const expr = createPrefix(node.operator, operand, node);
setNodeEmitFlags(expr, NodeEmitFlags.NoSubstitution);
const call = createExportExpression(<Identifier>operand, expr);
if (node.kind === SyntaxKind.PrefixUnaryExpression) {
return call;
}
else {
// export function returns the value that was passes as the second argument
// however for postfix unary expressions result value should be the value before modification.
// emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)'
return operator === SyntaxKind.PlusPlusToken
? createSubtract(call, createLiteral(1))
: createAdd(call, createLiteral(1));

8
tests/baselines/reference/prefixUnaryOperatorsOnExportedVariables.js
View File

@ -31,13 +31,13 @@ if (++y) {
}
//// [prefixUnaryOperatorsOnExportedVariables.js]
System.register([], function(exports_1, context_1) {
System.register([], function (exports_1, context_1) {
"use strict";
var __moduleName = context_1 && context_1.id;
var x, y;
return {
setters:[],
execute: function() {
setters: [],
execute: function () {
exports_1("x", x = false);
exports_1("y", y = 1);
if (!x) {
@ -55,5 +55,5 @@ System.register([], function(exports_1, context_1) {
if (exports_1("y", ++y)) {
}
}
}
};
});

2
tests/baselines/reference/systemModule10.js
View File

@ -10,7 +10,7 @@ export {n2}
export {n2 as n3}
//// [systemModule10.js]
System.register(['file1', 'file2'], function (exports_1, context_1) {
System.register(["file1", "file2"], function (exports_1, context_1) {
"use strict";
var __moduleName = context_1 && context_1.id;
var file1_1, n2;

2
tests/baselines/reference/systemModule10_ES5.js
View File

@ -10,7 +10,7 @@ export {n2}
export {n2 as n3}
//// [systemModule10_ES5.js]
System.register(['file1', 'file2'], function (exports_1, context_1) {
System.register(["file1", "file2"], function (exports_1, context_1) {
"use strict";
var __moduleName = context_1 && context_1.id;
var file1_1, n2;

4
tests/baselines/reference/systemModule17.js
View File

@ -65,8 +65,8 @@ System.register(["f1"], function (exports_1, context_1) {
var x, N, IX, f1_1;
return {
setters: [
function (_1) {
f1_1 = _1;
function (f1_1_1) {
f1_1 = f1_1_1;
}
],
execute: function () {

16
tests/baselines/reference/systemModule8.js
View File

@ -42,10 +42,10 @@ System.register([], function (exports_1, context_1) {
setters: [],
execute: function () {
exports_1("x", x = 1);
exports_1("x", x++) - 1;
exports_1("x", x--) + 1;
exports_1("x", x++);
exports_1("x", x--);
exports_1("x", ++x) - 1;
exports_1("x", --x) + 1;
exports_1("x", ++x);
exports_1("x", --x);
exports_1("x", x += 1);
exports_1("x", x -= 1);
exports_1("x", x *= 1);
@ -56,10 +56,10 @@ System.register([], function (exports_1, context_1) {
x - 1;
x & 1;
x | 1;
for (exports_1("x", x = 5);; exports_1("x", x++) - 1) { }
for (exports_1("x", x = 8);; exports_1("x", x--) + 1) { }
for (exports_1("x", x = 15);; exports_1("x", x++)) { }
for (exports_1("x", x = 18);; exports_1("x", x--)) { }
for (exports_1("x", x = 5);; exports_1("x", ++x) - 1) { }
for (exports_1("x", x = 8);; exports_1("x", --x) + 1) { }
for (exports_1("x", x = 15);; exports_1("x", ++x)) { }
for (exports_1("x", x = 18);; exports_1("x", --x)) { }
for (x = 50;;) { }
exports_1("y", y = [1][0]);
_a = { a: true, b: { c: "123" } }, exports_1("z0", z0 = _a.a), exports_1("z1", z1 = _a.b.c);