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reduce false positives from noop (#2933)

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This commit is contained in:
Alex Lam S.L
2018-02-19 01:15:05 +08:00
committed by GitHub
parent 4b5993ff15
commit 4facd94029
1 changed files with 14 additions and 6 deletions
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20
test/sandbox.js
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@@ -27,9 +27,10 @@ var FUNC_TOSTRING = [
"});", "});",
"Function.prototype.toString = function() {", "Function.prototype.toString = function() {",
" var id = 100000;", " var id = 100000;",
" var toString = Function.prototype.toString;",
" return function() {", " return function() {",
" var n = this.name;", " var n = this.name;",
' if (!/^F[0-9]{6}N$/.test(n)) {', " if (!/^F[0-9]{6}N$/.test(n)) {",
' n = "F" + ++id + "N";', ' n = "F" + ++id + "N";',
].concat(Object.getOwnPropertyDescriptor(Function.prototype, "name").configurable ? [ ].concat(Object.getOwnPropertyDescriptor(Function.prototype, "name").configurable ? [
' Object.defineProperty(this, "name", {', ' Object.defineProperty(this, "name", {',
@@ -39,12 +40,19 @@ var FUNC_TOSTRING = [
" });", " });",
] : [], [ ] : [], [
" }", " }",
' return "function " + n + "() {' + function() { " var body = toString.call(this);",
var s = "\7"; ' body = body.slice(body.indexOf("{") + 1, -1);',
for (var i = 10; --i >= 0;) s += s; ' if (/^(?:\\s|\\{|\\}|;|[0-9\\.]+|"[^"]*"|var [^=;]+|\\/\\/.*|\\/\\*[\\s\\S]*\\*\\/)*(?:$|return(?:;|\\n))/.test(body)) {',
' body = "";',
" } else {",
' body = n + "' + function() {
var s = ";";
for (var i = 7; --i >= 0;) s += s;
return s; return s;
}() + '}";', }() + '";',
" }", " }",
' return "function(){" + body + "}";',
" };",
"}();", "}();",
]).join("\n"); ]).join("\n");
exports.run_code = function(code) { exports.run_code = function(code) {