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code review: reset internal parser data once done parsing

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Raymond Hill 2018-03-06 15:46:05 -05:00
parent ec56165d0d
commit 15530df0e7
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1 changed files with 9 additions and 1 deletions
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10
src/js/static-ext-filtering.js
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@ -62,6 +62,13 @@
suffix: '' suffix: ''
}; };
// To be called to ensure no big parent string of a string slice is
// left into memory after parsing filter lists is over.
var resetParsed = function() {
parsed.hostnames = [];
parsed.suffix = '';
};
var isValidCSSSelector = (function() { var isValidCSSSelector = (function() {
var div = document.createElement('div'), var div = document.createElement('div'),
matchesFn; matchesFn;
@ -458,6 +465,7 @@
µb.cosmeticFilteringEngine.reset(); µb.cosmeticFilteringEngine.reset();
µb.scriptletFilteringEngine.reset(); µb.scriptletFilteringEngine.reset();
µb.htmlFilteringEngine.reset(); µb.htmlFilteringEngine.reset();
resetParsed(parsed);
}; };
api.freeze = function() { api.freeze = function() {
@ -465,6 +473,7 @@
µb.cosmeticFilteringEngine.freeze(); µb.cosmeticFilteringEngine.freeze();
µb.scriptletFilteringEngine.freeze(); µb.scriptletFilteringEngine.freeze();
µb.htmlFilteringEngine.freeze(); µb.htmlFilteringEngine.freeze();
resetParsed(parsed);
}; };
// https://github.com/chrisaljoudi/uBlock/issues/1004 // https://github.com/chrisaljoudi/uBlock/issues/1004
@ -691,7 +700,6 @@
cosmetic: µb.cosmeticFilteringEngine.toSelfie(), cosmetic: µb.cosmeticFilteringEngine.toSelfie(),
scriptlets: µb.scriptletFilteringEngine.toSelfie(), scriptlets: µb.scriptletFilteringEngine.toSelfie(),
html: µb.htmlFilteringEngine.toSelfie() html: µb.htmlFilteringEngine.toSelfie()
}; };
}; };