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3rd-gen hntrie, suitable for large set of hostnames
This commit is contained in:
Raymond Hill
parent
bf28a83e2d
commit
1b6fea16da
271
docs/tests/hnbigset-benchmark.html
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271
docs/tests/hnbigset-benchmark.html
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@ -0,0 +1,271 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body style="font: 14px sans-serif">
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<h1>Benchmark of large hostname-lookup from small to large set: Set, HNTrie</h1>
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<p><button id="createBenchmark">Creation</button> <button id="lookupBenchmark">Lookup</button></p>
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<div id="results-0" style="white-space:pre;font-family:mono"></div>
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<div id="results-1" style="white-space:pre;font-family:mono"></div>
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<div id="results-2" style="white-space:pre;font-family:mono"></div>
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<div id="results-3" style="white-space:pre;font-family:mono"></div>
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<div id="results-4" style="white-space:pre;font-family:mono"></div>
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<div id="results-5" style="white-space:pre;font-family:mono"></div>
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<div id="results-6" style="white-space:pre;font-family:mono"></div>
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<script src="https://raw.githack.com/gorhill/uBlock/master/src/js/hntrie.js"></script>
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<!-- <script src="../../src/js/hntrie.js"></script> -->
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<script src="hostname-pool.js"></script>
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<script src="https://cdn.jsdelivr.net/lodash/4.17.2/lodash.min.js"></script>
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<script src="https://cdn.jsdelivr.net/platform.js/1.3.3/platform.js"></script>
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<script src="https://cdn.jsdelivr.net/benchmarkjs/2.1.2/benchmark.js"></script>
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<script>
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const randomHostname = function() {
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return hostnamePool[Math.floor(Math.random() * hostnamePool.length)];
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};
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const randomNeedle = function() {
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let needle = randomHostname();
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const pos = needle.lastIndexOf('.');
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if ( pos !== -1 ) {
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needle = Math.random().toString(36).slice(2) + needle.slice(pos);
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}
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if ( Math.random() < 0.5 ) {
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needle = Math.random().toString(36).slice(2, 6) + '.' + needle;
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}
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return needle;
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};
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// Create hostname dictionary of all sizes (from 2 to 1024 at most)
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const hostnameLists = (function() {
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const dicts = [];
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let n = hostnamePool.length;
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while ( n > 1 ) {
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const dict = [];
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for ( let i = 0; i < n; i++ ) {
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dict.push(randomHostname());
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}
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dicts.unshift(dict);
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n = n >>> 2;
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}
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return dicts;
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})();
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/******************************************************************************/
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var setBasedDictCreate = function(hostnames) {
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return new Set(hostnames);
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};
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var setBasedDictTest = function(haystack, needle) {
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for (;;) {
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if ( haystack.has(needle) ) { return true; }
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const pos = needle.indexOf('.');
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if ( pos === -1 ) { break; }
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needle = needle.slice(pos + 1);
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}
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return false;
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};
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/******************************************************************************/
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const hnBigTrieJS = new HNTrieContainer();
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const hnBigTrieWASM = new HNTrieContainer();
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const trieBasedDictCreateJS = function(hostnames) {
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return hnBigTrieJS.fromIterable(hostnames, 'addJS');
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}
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const trieBasedDictTest = function(haystack, needle) {
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return haystack.matchesJS(needle);
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};
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const trieBasedDictCreateWASM = function(hostnames) {
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return hnBigTrieWASM.fromIterable(hostnames, 'addWASM');
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}
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const trieBasedDictTestWASM = function(haystack, needle) {
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return haystack.matchesWASM(needle);
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};
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/******************************************************************************/
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const gBenchmarks = [ null ];
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let gWhich;
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/******************************************************************************/
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function stdout(which, text) {
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if ( which > 0 ) {
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which = ((which - 1) % 3) + 1;
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}
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var r = document.querySelector('#results-' + which);
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if ( text === '' ) {
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r.innerHTML = '';
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} else {
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r.innerHTML += text;
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}
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}
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function doBenchmark(which) {
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stdout(0, '');
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stdout(0, 'Benchmarking, the higher ops/sec the better.\n');
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stdout(0, Benchmark.platform.toString() + '.');
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stdout(0, '\n\n');
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stdout(1, '');
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stdout(2, '');
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stdout(3, '');
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gWhich = which;
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gBenchmarks[gWhich].run({ 'async': true });
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}
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function nextBenchmark() {
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stdout(gWhich, 'Done.\n\n');
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gWhich += 1;
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var bms = gBenchmarks[gWhich];
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if ( bms ) {
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bms.run({ 'async': true });
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}
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}
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function exitBenchmark() {
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stdout(gWhich, 'Done.\n\n');
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}
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/******************************************************************************/
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function initBenchmarks() {
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gBenchmarks.push((function() {
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let dicts = [];
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let bigTrieDictsSerialized;
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const createDict = function(fn) {
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const out = [];
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for ( let i = 0; i < hostnameLists.length; i++ ) {
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out[i] = fn(hostnameLists[i]);
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}
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return out;
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};
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var bms = new Benchmark.Suite();
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bms
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.add(' - Set-based', function() {
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dicts = createDict(setBasedDictCreate);
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})
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.add(' - Trie-based (JS)', function() {
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hnBigTrieJS.reset();
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dicts = createDict(trieBasedDictCreateJS);
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})
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.add(' - Trie-based (WASM)', function() {
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hnBigTrieWASM.reset();
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dicts = createDict(trieBasedDictCreateWASM);
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})
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.add(' - Trie-based (unserialized)', function() {
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hnBigTrieJS.reset();
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hnBigTrieJS.unserialize(bigTrieDictsSerialized);
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})
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.on('start', function() {
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hnBigTrieJS.reset();
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createDict(trieBasedDictCreateJS);
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bigTrieDictsSerialized = hnBigTrieJS.serialize();
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stdout(gWhich, '');
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stdout(gWhich, 'Create dictionaries\n');
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})
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.on('cycle', function(event) {
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stdout(gWhich, String(event.target) + '\n');
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})
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.on('complete', function() {
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dicts = [];
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bigTrieDictsSerialized = undefined;
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exitBenchmark();
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});
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return bms;
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})());
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const lookupCount = 100;
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gBenchmarks.push((function() {
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const bms = new Benchmark.Suite();
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const needles = [];
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let setDicts = [];
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let bigTrieDicts = [];
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let results;
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const lookupDict = function(dicts, fn) {
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for ( let i = 0; i < needles.length; i++ ) {
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const needle = needles[i];
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for ( const dict of dicts ) {
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results[i] = fn(dict, needle);
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}
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}
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};
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bms
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.add(' - Set-based', function() {
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lookupDict(setDicts, setBasedDictTest);
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})
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.add(' - Trie-based JS', function() {
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lookupDict(bigTrieDicts, trieBasedDictTest);
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})
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.add(' - Trie-based WASM', function() {
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lookupDict(bigTrieDicts, trieBasedDictTestWASM);
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})
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.on('start', function() {
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for ( let i = 0; i < lookupCount; i++ ) {
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needles[i] = randomNeedle();
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}
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setDicts = [];
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bigTrieDicts = [];
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results = [];
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hnBigTrieJS.reset();
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for ( const hostnameList of hostnameLists ) {
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setDicts.push(setBasedDictCreate(hostnameList));
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bigTrieDicts.push(trieBasedDictCreateJS(hostnameList));
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}
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hnBigTrieJS.optimize();
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stdout(gWhich, '');
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stdout(
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gWhich,
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'Test ' + lookupCount +
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' needles against ' + setDicts.length +
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' dictionaries with size between ' + hostnameLists[0].length +
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' and ' + hostnameLists[hostnameLists.length-1].length +
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' hostnames\n'
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);
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})
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.on('cycle', function(event) {
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stdout(gWhich, String(event.target) + '\n');
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})
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.on('complete', ( ) => {
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setDicts = bigTrieDicts = results = [];
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hnBigTrieJS.reset();
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exitBenchmark();
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});
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return bms;
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})());
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}
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/******************************************************************************/
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Promise.all([
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hnBigTrieJS.readyToUse(),
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hnBigTrieWASM.readyToUse()
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]).then(( ) => {
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initBenchmarks();
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});
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document.getElementById('createBenchmark').onclick = function() {
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doBenchmark(1);
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};
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document.getElementById('lookupBenchmark').onclick = function() {
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doBenchmark(2);
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};
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</script>
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</body>
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</html>
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@ -5,7 +5,7 @@
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body style="font: 14px sans-serif">
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<h1>Benchmark of hostname-lookup data structures: Set, RegExp, HNTrie</h1>
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<h1>Benchmark of hostname-lookup from small to medium set: Set, RegExp, HNTrie</h1>
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<p><button id="createBenchmark">Creation</button> <button id="lookupBenchmark">Lookup</button></p>
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<div id="results-0" style="white-space:pre;font-family:mono"></div>
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<div id="results-1" style="white-space:pre;font-family:mono"></div>
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@ -17,6 +17,7 @@
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<script src="https://rawcdn.githack.com/gorhill/uBlock/e83ffde5af29bd44ae529c5a60e2506970e7af34/src/js/hntrie.js"></script>
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<script src="https://rawcdn.githack.com/gorhill/uBlock/c3b0fd31f64bd7ffecdd282fb1208fe07aac3eb0/src/js/hntrie.js"></script>
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<script src="https://raw.githack.com/gorhill/uBlock/master/src/js/hntrie.js"></script>
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<!-- <script src="../../src/js/hntrie.js"></script> -->
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<script src="hostname-pool.js"></script>
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@ -202,6 +203,27 @@ var trieBasedDictTestWASM = function(haystack, needle) {
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/******************************************************************************/
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const hnBigTrieJS = new HNTrieContainer();
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const hnBigTrieWASM = new HNTrieContainer();
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const bigtrieBasedDictCreateJS = function(domainOpt) {
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return hnBigTrieJS.fromIterable(domainOpt.split('|'), 'addJS');
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}
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const bigtrieBasedDictTestJS = function(haystack, needle) {
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return haystack.matchesJS(needle);
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};
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const bigtrieBasedDictCreateWASM = function(domainOpt) {
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return hnBigTrieWASM.fromIterable(domainOpt.split('|'), 'addWASM');
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}
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const bigtrieBasedDictTestWASM = function(haystack, needle) {
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return haystack.matchesWASM(needle);
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};
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/******************************************************************************/
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const gBenchmarks = [ null ];
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let gWhich;
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@ -258,19 +280,23 @@ function initBenchmarks() {
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var bms = new Benchmark.Suite();
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bms
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.add(' - Set-based', function() {
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.add(' - Set-based', function() {
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createDict(setBasedDictCreate);
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})
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.add(' - Regex-based', function() {
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.add(' - Regex-based', function() {
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createDict(regexBasedDictCreate);
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})
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.add(' - Trie-based (1st-gen)', function() {
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.add(' - Trie-based (1st-gen)', function() {
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createDict(oldTrieBasedDictCreate);
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})
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.add(' - Trie-based (2nd-gen)', function() {
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.add(' - Trie-based (2nd-gen)', function() {
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hnTrieManager.reset();
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createDict(trieBasedDictCreate);
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})
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.add(' - Trie-based JS (3rd-gen)', function() {
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hnBigTrieJS.reset();
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createDict(bigtrieBasedDictCreateJS);
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})
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.on('start', function() {
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dicts = [];
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stdout(gWhich, '');
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@ -281,6 +307,13 @@ function initBenchmarks() {
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})
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.on('complete', exitBenchmark);
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if ( hnBigTrieWASM.addWASM !== null ) {
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bms.add(' - Trie-based WASM (3rd-gen)', function() {
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hnBigTrieWASM.reset();
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createDict(bigtrieBasedDictCreateWASM);
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})
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}
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return bms;
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})());
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@ -294,6 +327,7 @@ function initBenchmarks() {
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let regexDicts;
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let oldTrieDicts;
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let newTrieDicts;
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let bigTrieDicts;
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let results;
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const lookupDict = function(dicts, fn) {
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@ -315,9 +349,6 @@ function initBenchmarks() {
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.add(' - Trie-based (1st-gen)', function() {
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lookupDict(oldTrieDicts, oldTrieBasedDictTest);
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})
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.add(' - Trie-based JS (2nd-gen)', function() {
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lookupDict(newTrieDicts, trieBasedDictTest);
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})
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.on('start', function() {
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for ( let i = 0; i < lookupCount; i++ ) {
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needles[i] = randomNeedle();
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@ -326,6 +357,7 @@ function initBenchmarks() {
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regexDicts = [];
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oldTrieDicts = []
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newTrieDicts = []
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bigTrieDicts = []
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results = [];
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hnTrieManager.reset();
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for ( const domainOpt of domainOpts ) {
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@ -333,6 +365,7 @@ function initBenchmarks() {
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regexDicts.push(regexBasedDictCreate(domainOpt));
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oldTrieDicts.push(oldTrieBasedDictCreate(domainOpt));
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newTrieDicts.push(trieBasedDictCreate(domainOpt));
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bigTrieDicts.push(bigtrieBasedDictCreateJS(domainOpt));
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}
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stdout(gWhich, '');
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@ -347,11 +380,22 @@ function initBenchmarks() {
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exitBenchmark();
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});
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bms.add(' - Trie-based JS (2nd-gen)', function() {
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lookupDict(newTrieDicts, trieBasedDictTest);
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})
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if ( hnTrieManager.matchesWASM !== null ) {
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bms.add(' - Trie-based WASM (2nd-gen)', function() {
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lookupDict(newTrieDicts, trieBasedDictTestWASM);
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})
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}
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bms.add(' - Trie-based JS (3rd-gen)', function() {
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lookupDict(newTrieDicts, bigtrieBasedDictTestJS);
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})
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if ( hnBigTrieWASM.matchesWASM !== null ) {
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bms.add(' - Trie-based WASM (3rd-gen)', function() {
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lookupDict(bigTrieDicts, bigtrieBasedDictTestWASM);
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})
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}
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return bms;
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})());
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@ -361,6 +405,8 @@ function initBenchmarks() {
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Promise.all([
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hnTrieManager.readyToUse(),
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hnBigTrieJS.readyToUse(),
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hnBigTrieWASM.readyToUse(),
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]).then(( ) => {
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initBenchmarks();
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});
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@ -5,10 +5,9 @@
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body style="font: 14px sans-serif">
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<h1>HNTrie test</h1>
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<h1>HNTrieContainer test</h1>
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<div><button id="test" type="button">Test!</button></div>
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<div id="stdout"></div>
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<script src="https://rawcdn.githack.com/gorhill/uBlock/e83ffde5af29bd44ae529c5a60e2506970e7af34/src/js/hntrie.js"></script>
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<script src="https://raw.githack.com/gorhill/uBlock/master/src/js/hntrie.js"></script>
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<!-- <script src="../../src/js/hntrie.js"></script> -->
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<script src="hostname-pool.js"></script>
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@ -35,7 +34,45 @@ const stdout = function(s) {
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/******************************************************************************/
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const testFlavor = function(hostnames, name, matchesFn, hit, miss) {
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// Dictionary of hostnames
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//
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const FilterHostnameDict = function(hostnames) {
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this.h = ''; // short-lived register
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this.dict = new Set();
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if ( hostnames !== undefined ) {
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this.fromIterable(hostnames);
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}
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};
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FilterHostnameDict.prototype = {
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add: function(hn) {
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if ( this.dict.has(hn) ) { return false; }
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this.dict.add(hn);
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return true;
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},
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fromIterable: function(hostnames) {
|
||||
for ( let hn of hostnames ) {
|
||||
this.add(hn);
|
||||
}
|
||||
return this;
|
||||
},
|
||||
matches: function(needle) {
|
||||
while ( this.dict.has(needle) === false ) {
|
||||
const pos = needle.indexOf('.');
|
||||
if ( pos === -1 ) {
|
||||
this.h = '';
|
||||
return false;
|
||||
}
|
||||
needle = needle.slice(pos + 1);
|
||||
}
|
||||
this.h = needle;
|
||||
return true;
|
||||
},
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
const testFlavor = function(hostnames, name, matchesFn, hitFn) {
|
||||
stdout('\xA0');
|
||||
stdout('Testing ' + name + '...');
|
||||
|
||||
@ -44,25 +81,25 @@ const testFlavor = function(hostnames, name, matchesFn, hit, miss) {
|
||||
for ( let i = 0; i < hostnames.length; i++ ) {
|
||||
// Exact hits
|
||||
let needle = hostnames[i];
|
||||
if ( matchesFn(needle) !== hit ) {
|
||||
if ( hitFn(matchesFn(needle)) === false ) {
|
||||
stdout('Exact hits failed: ' + needle);
|
||||
}
|
||||
|
||||
// Subdomain hits
|
||||
needle = createRandomLabel() + '.' + hostnames[i];
|
||||
if ( matchesFn(needle) !== hit ) {
|
||||
if ( hitFn(matchesFn(needle)) === false ) {
|
||||
stdout('Subdomain hits failed: ' + needle);
|
||||
}
|
||||
|
||||
// Misses batch 1
|
||||
needle = createRandomLabel() + '.com';
|
||||
if ( matchesFn(needle) !== miss ) {
|
||||
if ( hitFn(matchesFn(needle)) !== false ) {
|
||||
stdout('Misses batch 1: ' + needle);
|
||||
}
|
||||
|
||||
// Misses batch 2
|
||||
needle = hostnames[i] + '.' + createRandomLabel();
|
||||
if ( matchesFn(needle) !== miss ) {
|
||||
if ( hitFn(matchesFn(needle)) !== false ) {
|
||||
stdout('Misses batch 2: ' + needle);
|
||||
}
|
||||
|
||||
@ -71,7 +108,7 @@ const testFlavor = function(hostnames, name, matchesFn, hit, miss) {
|
||||
let pos = needle.lastIndexOf('.');
|
||||
if ( pos !== -1 ) {
|
||||
needle = needle.slice(0, pos) + needle.slice(pos + 1);
|
||||
if ( matchesFn(needle) !== miss ) {
|
||||
if ( hitFn(matchesFn(needle)) !== false ) {
|
||||
stdout('Misses batch 3: ' + needle);
|
||||
}
|
||||
}
|
||||
@ -87,19 +124,98 @@ const testFlavor = function(hostnames, name, matchesFn, hit, miss) {
|
||||
);
|
||||
};
|
||||
|
||||
hnTrieManager.readyToUse().then(( ) => {
|
||||
const oldTrie = HNTrieBuilder.fromIterable(hostnamePool);
|
||||
const theTrie = hnTrieManager.fromIterable(hostnamePool);
|
||||
const hnBigTrieJS = new HNTrieContainer();
|
||||
const hnBigTrieWASM = new HNTrieContainer();
|
||||
const hnBigTrieUnserialized = new HNTrieContainer();
|
||||
|
||||
Promise.all([
|
||||
hnBigTrieJS.readyToUse(),
|
||||
hnBigTrieWASM.readyToUse()
|
||||
]).then(( ) => {
|
||||
let t0 = performance.now();
|
||||
const theSet = new FilterHostnameDict(hostnamePool);
|
||||
let t1 = performance.now();
|
||||
stdout('\xA0');
|
||||
stdout(
|
||||
'Set creation completed in ' +
|
||||
(t1 - t0).toFixed(2) + ' ms'
|
||||
);
|
||||
|
||||
t0 = performance.now();
|
||||
const theTrieJS = hnBigTrieJS.fromIterable(hostnamePool, 'addJS');
|
||||
hnBigTrieJS.optimize();
|
||||
t1 = performance.now();
|
||||
stdout('\xA0');
|
||||
stdout(
|
||||
'HNTrieContainer creation (JS) completed in ' +
|
||||
(t1 - t0).toFixed(2) + ' ms'
|
||||
);
|
||||
|
||||
let theTrieWASM;
|
||||
if ( hnBigTrieWASM.addWASM instanceof Function ) {
|
||||
t0 = performance.now();
|
||||
theTrieWASM = hnBigTrieWASM.fromIterable(hostnamePool, 'addWASM');
|
||||
hnBigTrieWASM.optimize();
|
||||
t1 = performance.now();
|
||||
stdout('\xA0');
|
||||
stdout(
|
||||
'HNTrieContainer creation (WASM) completed in ' +
|
||||
(t1 - t0).toFixed(2) + ' ms'
|
||||
);
|
||||
|
||||
const bufJS = theTrieJS.container.buf;
|
||||
const bufWASM = theTrieWASM.container.buf;
|
||||
for ( let i = 0; i < bufJS.length; i++ ) {
|
||||
if ( bufJS[i] !== bufWASM[i] ) {
|
||||
stdout('theTrieWASM failure at index ' + i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let selfie = hnBigTrieJS.serialize();
|
||||
t0 = performance.now();
|
||||
hnBigTrieUnserialized.unserialize(selfie);
|
||||
const theTrieUnserialized = hnBigTrieUnserialized.createOne(hnBigTrieJS.compileOne(theTrieJS));
|
||||
t1 = performance.now();
|
||||
stdout('\xA0');
|
||||
stdout(
|
||||
'HNTrieContainer creation (unserialized) completed in ' +
|
||||
(t1 - t0).toFixed(2) + ' ms'
|
||||
);
|
||||
selfie = undefined;
|
||||
|
||||
document.getElementById('test').addEventListener('click', ( ) => {
|
||||
let parent = document.getElementById('stdout');
|
||||
while ( parent.childElementCount !== 0 ) {
|
||||
parent.removeChild(parent.firstChild);
|
||||
}
|
||||
testFlavor(hostnamePool, 'Old Trie (JS)', oldTrie.matches.bind(oldTrie), true, false);
|
||||
testFlavor(hostnamePool, 'New Trie (JS)', theTrie.matchesJS.bind(theTrie), 1, 0);
|
||||
if ( hnTrieManager.matchesWASM instanceof Function ) {
|
||||
testFlavor(hostnamePool, 'New Trie (WASM)', theTrie.matchesWASM.bind(theTrie), 1, 0);
|
||||
testFlavor(
|
||||
hostnamePool,
|
||||
'Set (JS)',
|
||||
theSet.matches.bind(theSet),
|
||||
r => r
|
||||
);
|
||||
testFlavor(
|
||||
hostnamePool,
|
||||
'HNTrieContainer (JS)',
|
||||
theTrieJS.matchesJS.bind(theTrieJS),
|
||||
r => r >= 0
|
||||
);
|
||||
if ( theTrieWASM !== undefined ) {
|
||||
testFlavor(
|
||||
hostnamePool,
|
||||
'HNTrieContainer (WASM)',
|
||||
theTrieWASM.matchesWASM.bind(theTrieWASM),
|
||||
r => r >= 0
|
||||
);
|
||||
}
|
||||
testFlavor(
|
||||
hostnamePool,
|
||||
'HNTrieContainer (unserialized)',
|
||||
theTrieUnserialized.matchesJS.bind(theTrieUnserialized),
|
||||
r => r >= 0
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
|
||||
@ -10,7 +10,8 @@
|
||||
<p>Some of the pages below are hosted on <a href="raw.githack.com">raw.githack.com</a> in order to ensure some of the secondary resources can be properly loaded (specifically, the WebAssembly modules, as they <a href="https://github.com/WebAssembly/design/blob/master/Web.md#webassemblyinstantiatestreaming">require to be loaded using same-origin policy</a>).</p>
|
||||
<ul>
|
||||
<li><a href="https://raw.githack.com/gorhill/uBlock/master/docs/tests/hntrie-test.html">HNTrie: tests</a>
|
||||
<li><a href="https://raw.githack.com/gorhill/uBlock/master/docs/tests/hnset-benchmark.html">HNTrie: benchmarks</a>
|
||||
<li><a href="https://raw.githack.com/gorhill/uBlock/master/docs/tests/hnset-benchmark.html">HNTrie, small (2) to medium (~1000) set: benchmarks</a>
|
||||
<li><a href="https://raw.githack.com/gorhill/uBlock/master/docs/tests/hnbigset-benchmark.html">HNTrie, small (2) to large (40,000+) set: benchmarks</a>
|
||||
</ul>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
@ -137,7 +137,7 @@ const µBlock = (function() { // jshint ignore:line
|
||||
// Read-only
|
||||
systemSettings: {
|
||||
compiledMagic: 6, // Increase when compiled format changes
|
||||
selfieMagic: 6 // Increase when selfie format changes
|
||||
selfieMagic: 7 // Increase when selfie format changes
|
||||
},
|
||||
|
||||
restoreBackupSettings: {
|
||||
|
||||
935
src/js/hntrie.js
935
src/js/hntrie.js
File diff suppressed because it is too large
Load Diff
@ -20,7 +20,7 @@
|
||||
*/
|
||||
|
||||
/* jshint bitwise: false */
|
||||
/* global punycode, hnTrieManager */
|
||||
/* global punycode, HNTrieContainer */
|
||||
|
||||
'use strict';
|
||||
|
||||
@ -738,42 +738,40 @@ registerFilterClass(FilterRegex);
|
||||
const FilterOrigin = function() {
|
||||
};
|
||||
|
||||
FilterOrigin.prototype.wrapped = {
|
||||
compile: function() {
|
||||
return '';
|
||||
FilterOrigin.prototype = {
|
||||
wrapped: {
|
||||
compile: function() {
|
||||
return '';
|
||||
},
|
||||
logData: function() {
|
||||
return {
|
||||
compiled: ''
|
||||
};
|
||||
},
|
||||
match: function() {
|
||||
return true;
|
||||
}
|
||||
},
|
||||
matchOrigin: function() {
|
||||
return true;
|
||||
},
|
||||
match: function(url, tokenBeg) {
|
||||
return this.matchOrigin() && this.wrapped.match(url, tokenBeg);
|
||||
},
|
||||
logData: function() {
|
||||
return {
|
||||
compiled: ''
|
||||
};
|
||||
const out = this.wrapped.logData();
|
||||
const domainOpt = this.toDomainOpt();
|
||||
out.compiled = [ this.fid, domainOpt, out.compiled ];
|
||||
if ( out.opts === undefined ) {
|
||||
out.opts = 'domain=' + domainOpt;
|
||||
} else {
|
||||
out.opts += ',domain=' + domainOpt;
|
||||
}
|
||||
return out;
|
||||
},
|
||||
compile: function() {
|
||||
return [ this.fid, this.toDomainOpt(), this.wrapped.compile() ];
|
||||
},
|
||||
match: function() {
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
FilterOrigin.prototype.matchOrigin = function() {
|
||||
return true;
|
||||
};
|
||||
|
||||
FilterOrigin.prototype.match = function(url, tokenBeg) {
|
||||
return this.matchOrigin() && this.wrapped.match(url, tokenBeg);
|
||||
};
|
||||
|
||||
FilterOrigin.prototype.logData = function() {
|
||||
var out = this.wrapped.logData(),
|
||||
domainOpt = this.toDomainOpt();
|
||||
out.compiled = [ this.fid, domainOpt, out.compiled ];
|
||||
if ( out.opts === undefined ) {
|
||||
out.opts = 'domain=' + domainOpt;
|
||||
} else {
|
||||
out.opts += ',domain=' + domainOpt;
|
||||
}
|
||||
return out;
|
||||
};
|
||||
|
||||
FilterOrigin.prototype.compile = function() {
|
||||
return [ this.fid, this.toDomainOpt(), this.wrapped.compile() ];
|
||||
};
|
||||
|
||||
// *** start of specialized origin matchers
|
||||
@ -853,10 +851,12 @@ FilterOriginHitSet.prototype = Object.create(FilterOrigin.prototype, {
|
||||
},
|
||||
matchOrigin: {
|
||||
value: function() {
|
||||
if ( hnTrieManager.isValidRef(this.oneOf) === false ) {
|
||||
this.oneOf = hnTrieManager.fromDomainOpt(this.domainOpt);
|
||||
if ( this.oneOf === null ) {
|
||||
this.oneOf = FilterOrigin.trieContainer.fromIterable(
|
||||
this.domainOpt.split('|')
|
||||
);
|
||||
}
|
||||
return this.oneOf.matches(pageHostnameRegister) === 1;
|
||||
return this.oneOf.matches(pageHostnameRegister) !== -1;
|
||||
}
|
||||
},
|
||||
});
|
||||
@ -885,12 +885,12 @@ FilterOriginMissSet.prototype = Object.create(FilterOrigin.prototype, {
|
||||
},
|
||||
matchOrigin: {
|
||||
value: function() {
|
||||
if ( hnTrieManager.isValidRef(this.noneOf) === false ) {
|
||||
this.noneOf = hnTrieManager.fromDomainOpt(
|
||||
this.domainOpt.replace(/~/g, '')
|
||||
if ( this.noneOf === null ) {
|
||||
this.noneOf = FilterOrigin.trieContainer.fromIterable(
|
||||
this.domainOpt.replace(/~/g, '').split('|')
|
||||
);
|
||||
}
|
||||
return this.noneOf.matches(pageHostnameRegister) === 0;
|
||||
return this.noneOf.matches(pageHostnameRegister) === -1;
|
||||
}
|
||||
},
|
||||
});
|
||||
@ -926,8 +926,8 @@ FilterOriginMixedSet.prototype = Object.create(FilterOrigin.prototype, {
|
||||
oneOf.push(hostname);
|
||||
}
|
||||
}
|
||||
this.oneOf = hnTrieManager.fromIterable(oneOf);
|
||||
this.noneOf = hnTrieManager.fromIterable(noneOf);
|
||||
this.oneOf = FilterOrigin.trieContainer.fromIterable(oneOf);
|
||||
this.noneOf = FilterOrigin.trieContainer.fromIterable(noneOf);
|
||||
}
|
||||
},
|
||||
toDomainOpt: {
|
||||
@ -937,12 +937,10 @@ FilterOriginMixedSet.prototype = Object.create(FilterOrigin.prototype, {
|
||||
},
|
||||
matchOrigin: {
|
||||
value: function() {
|
||||
if ( hnTrieManager.isValidRef(this.oneOf) === false ) {
|
||||
this.init();
|
||||
}
|
||||
if ( this.oneOf === null ) { this.init(); }
|
||||
let needle = pageHostnameRegister;
|
||||
return this.oneOf.matches(needle) === 1 &&
|
||||
this.noneOf.matches(needle) === 0;
|
||||
return this.oneOf.matches(needle) !== -1 &&
|
||||
this.noneOf.matches(needle) === -1;
|
||||
}
|
||||
},
|
||||
});
|
||||
@ -990,6 +988,33 @@ FilterOrigin.load = function(args) {
|
||||
return f;
|
||||
};
|
||||
|
||||
FilterOrigin.trieContainer = (function() {
|
||||
let trieDetails;
|
||||
try {
|
||||
trieDetails = JSON.parse(
|
||||
vAPI.localStorage.getItem('FilterOrigin.trieDetails')
|
||||
);
|
||||
} catch(ex) {
|
||||
}
|
||||
return new HNTrieContainer(trieDetails);
|
||||
})();
|
||||
|
||||
FilterOrigin.readyToUse = function() {
|
||||
return FilterOrigin.trieContainer.readyToUse();
|
||||
};
|
||||
|
||||
FilterOrigin.reset = function() {
|
||||
return FilterOrigin.trieContainer.reset();
|
||||
};
|
||||
|
||||
FilterOrigin.optimize = function() {
|
||||
const trieDetails = FilterOrigin.trieContainer.optimize();
|
||||
vAPI.localStorage.setItem(
|
||||
'FilterOrigin.trieDetails',
|
||||
JSON.stringify(trieDetails)
|
||||
);
|
||||
};
|
||||
|
||||
registerFilterClass(FilterOrigin);
|
||||
|
||||
/******************************************************************************/
|
||||
@ -1059,60 +1084,66 @@ FilterDataHolderEntry.load = function(data) {
|
||||
/******************************************************************************/
|
||||
|
||||
// Dictionary of hostnames
|
||||
//
|
||||
const FilterHostnameDict = function() {
|
||||
|
||||
const FilterHostnameDict = function(args) {
|
||||
this.h = ''; // short-lived register
|
||||
this.dict = new Set();
|
||||
this.dict = FilterHostnameDict.trieContainer.createOne(args);
|
||||
};
|
||||
|
||||
Object.defineProperty(FilterHostnameDict.prototype, 'size', {
|
||||
get: function() {
|
||||
FilterHostnameDict.prototype = {
|
||||
get size() {
|
||||
return this.dict.size;
|
||||
},
|
||||
add: function(hn) {
|
||||
return this.dict.add(hn);
|
||||
},
|
||||
match: function() {
|
||||
const pos = this.dict.matches(requestHostnameRegister);
|
||||
if ( pos === -1 ) { return false; }
|
||||
this.h = requestHostnameRegister.slice(pos);
|
||||
return true;
|
||||
},
|
||||
logData: function() {
|
||||
return {
|
||||
raw: '||' + this.h + '^',
|
||||
regex: rawToRegexStr(this.h, 0) + '(?:[^%.0-9a-z_-]|$)',
|
||||
compiled: this.h
|
||||
};
|
||||
},
|
||||
compile: function() {
|
||||
return [ this.fid, FilterHostnameDict.trieContainer.compileOne(this.dict) ];
|
||||
},
|
||||
};
|
||||
|
||||
FilterHostnameDict.trieContainer = (function() {
|
||||
let trieDetails;
|
||||
try {
|
||||
trieDetails = JSON.parse(
|
||||
vAPI.localStorage.getItem('FilterHostnameDict.trieDetails')
|
||||
);
|
||||
} catch(ex) {
|
||||
}
|
||||
});
|
||||
return new HNTrieContainer(trieDetails);
|
||||
})();
|
||||
|
||||
FilterHostnameDict.prototype.add = function(hn) {
|
||||
if ( this.dict.has(hn) === true ) { return false; }
|
||||
this.dict.add(hn);
|
||||
return true;
|
||||
FilterHostnameDict.readyToUse = function() {
|
||||
return FilterHostnameDict.trieContainer.readyToUse();
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.remove = function(hn) {
|
||||
return this.dict.delete(hn);
|
||||
FilterHostnameDict.reset = function() {
|
||||
return FilterHostnameDict.trieContainer.reset();
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.match = function() {
|
||||
// TODO: mind IP addresses
|
||||
var pos,
|
||||
hostname = requestHostnameRegister;
|
||||
while ( this.dict.has(hostname) === false ) {
|
||||
pos = hostname.indexOf('.');
|
||||
if ( pos === -1 ) {
|
||||
this.h = '';
|
||||
return false;
|
||||
}
|
||||
hostname = hostname.slice(pos + 1);
|
||||
}
|
||||
this.h = hostname;
|
||||
return true;
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.logData = function() {
|
||||
return {
|
||||
raw: '||' + this.h + '^',
|
||||
regex: rawToRegexStr(this.h, 0) + '(?:[^%.0-9a-z_-]|$)',
|
||||
compiled: this.h
|
||||
};
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.compile = function() {
|
||||
return [ this.fid, Array.from(this.dict) ];
|
||||
FilterHostnameDict.optimize = function() {
|
||||
const trieDetails = FilterHostnameDict.trieContainer.optimize();
|
||||
vAPI.localStorage.setItem(
|
||||
'FilterHostnameDict.trieDetails',
|
||||
JSON.stringify(trieDetails)
|
||||
);
|
||||
};
|
||||
|
||||
FilterHostnameDict.load = function(args) {
|
||||
var f = new FilterHostnameDict();
|
||||
f.dict = new Set(args[1]);
|
||||
return f;
|
||||
return new FilterHostnameDict(args[1]);
|
||||
};
|
||||
|
||||
registerFilterClass(FilterHostnameDict);
|
||||
@ -1974,7 +2005,8 @@ FilterContainer.prototype.reset = function() {
|
||||
this.filterParser.reset();
|
||||
|
||||
// This will invalidate all hn tries throughout uBO:
|
||||
hnTrieManager.reset();
|
||||
FilterOrigin.reset();
|
||||
FilterHostnameDict.reset();
|
||||
|
||||
// Runtime registers
|
||||
this.cbRegister = undefined;
|
||||
@ -1985,20 +2017,20 @@ FilterContainer.prototype.reset = function() {
|
||||
/******************************************************************************/
|
||||
|
||||
FilterContainer.prototype.freeze = function() {
|
||||
let filterPairId = FilterPair.fid,
|
||||
const filterPairId = FilterPair.fid,
|
||||
filterBucketId = FilterBucket.fid,
|
||||
filterDataHolderId = FilterDataHolder.fid,
|
||||
redirectTypeValue = typeNameToTypeValue.redirect,
|
||||
unserialize = µb.CompiledLineIO.unserialize;
|
||||
|
||||
for ( let line of this.goodFilters ) {
|
||||
for ( const line of this.goodFilters ) {
|
||||
if ( this.badFilters.has(line) ) {
|
||||
this.discardedCount += 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
let args = unserialize(line);
|
||||
let bits = args[0];
|
||||
const args = unserialize(line);
|
||||
const bits = args[0];
|
||||
|
||||
// Special cases: delegate to more specialized engines.
|
||||
// Redirect engine.
|
||||
@ -2008,8 +2040,8 @@ FilterContainer.prototype.freeze = function() {
|
||||
}
|
||||
|
||||
// Plain static filters.
|
||||
let tokenHash = args[1];
|
||||
let fdata = args[2];
|
||||
const tokenHash = args[1];
|
||||
const fdata = args[2];
|
||||
|
||||
// Special treatment: data-holding filters are stored separately
|
||||
// because they require special matching algorithm (unlike other
|
||||
@ -2063,6 +2095,8 @@ FilterContainer.prototype.freeze = function() {
|
||||
|
||||
this.filterParser.reset();
|
||||
this.goodFilters = new Set();
|
||||
FilterOrigin.optimize();
|
||||
FilterHostnameDict.optimize();
|
||||
this.frozen = true;
|
||||
};
|
||||
|
||||
@ -2072,7 +2106,7 @@ FilterContainer.prototype.freeze = function() {
|
||||
// on asynchronous operations (ex.: when loading a wasm module).
|
||||
|
||||
FilterContainer.prototype.readyToUse = function() {
|
||||
return hnTrieManager.readyToUse();
|
||||
return Promise.resolve();
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
@ -2108,6 +2142,7 @@ FilterContainer.prototype.toSelfie = function() {
|
||||
allowFilterCount: this.allowFilterCount,
|
||||
blockFilterCount: this.blockFilterCount,
|
||||
discardedCount: this.discardedCount,
|
||||
trieContainer: FilterHostnameDict.trieContainer.serialize(),
|
||||
categories: categoriesToSelfie(this.categories),
|
||||
dataFilters: dataFiltersToSelfie(this.dataFilters)
|
||||
};
|
||||
@ -2123,6 +2158,7 @@ FilterContainer.prototype.fromSelfie = function(selfie) {
|
||||
this.allowFilterCount = selfie.allowFilterCount;
|
||||
this.blockFilterCount = selfie.blockFilterCount;
|
||||
this.discardedCount = selfie.discardedCount;
|
||||
FilterHostnameDict.trieContainer.unserialize(selfie.trieContainer);
|
||||
|
||||
for ( let categoryEntry of selfie.categories ) {
|
||||
let tokenMap = new Map();
|
||||
|
||||
Binary file not shown.
@ -25,155 +25,178 @@
|
||||
;; module start
|
||||
;;
|
||||
|
||||
;; (func $log (import "imports" "log") (param i32 i32 i32))
|
||||
|
||||
(func $growBuf (import "imports" "growBuf"))
|
||||
(memory (import "imports" "memory") 1)
|
||||
|
||||
;; Trie container
|
||||
;;
|
||||
;; Memory layout, byte offset:
|
||||
;; 0-254: needle being processed
|
||||
;; 255: length of needle
|
||||
;; 256-259: offset to start of trie data section (=> trie0)
|
||||
;; 260-263: offset to end of trie data section (=> trie1)
|
||||
;; 264-267: offset to start of character data section (=> char0)
|
||||
;; 268-271: offset to end of character data section (=> char1)
|
||||
;; 272: start of trie data section
|
||||
;;
|
||||
|
||||
;;
|
||||
;; Public functions
|
||||
;;
|
||||
|
||||
;;
|
||||
;; unsigned int matches(offset)
|
||||
;; unsigned int matches(icell)
|
||||
;;
|
||||
;; Test whether the currently set needle matches the trie at specified offset.
|
||||
;;
|
||||
;; Memory layout, byte offset:
|
||||
;; 0-254: encoded needle (ASCII)
|
||||
;; 255 : needle length
|
||||
;; 256- : tries
|
||||
;; Test whether the currently set needle matches the trie at specified trie
|
||||
;; offset.
|
||||
;;
|
||||
(func (export "matches")
|
||||
(param $itrie i32)
|
||||
(result i32) ;; result: 0 = miss, 1 = hit
|
||||
(local $ineedle i32) ;; current needle offset
|
||||
(local $nchar i32) ;; needle char being processed
|
||||
(local $tchar i32) ;; trie char being processed
|
||||
(local $lxtra i32)
|
||||
(local $ixtra i32)
|
||||
i32.const 255
|
||||
(param $icell i32) ;; offset to root cell of the trie
|
||||
(result i32) ;; result = match index, -1 = miss
|
||||
(local $char0 i32) ;; offset to first character data
|
||||
(local $ineedle i32) ;; current needle offset
|
||||
(local $c i32)
|
||||
(local $v i32)
|
||||
(local $n i32)
|
||||
(local $i0 i32)
|
||||
(local $i1 i32)
|
||||
;;
|
||||
i32.const 264 ;; start of char section is stored at addr 264
|
||||
i32.load
|
||||
set_local $char0
|
||||
;; $icell is an index into an array of 32-bit values
|
||||
get_local $icell
|
||||
i32.const 2
|
||||
i32.shl
|
||||
set_local $icell
|
||||
;; let ineedle = this.buf[255];
|
||||
i32.const 255 ;; addr of needle is stored at addr 255
|
||||
i32.load8_u
|
||||
set_local $ineedle
|
||||
loop $nextNeedleChar
|
||||
;; for (;;) {
|
||||
block $noSegment loop $nextSegment
|
||||
;; if ( ineedle === 0 ) { return -1; }
|
||||
get_local $ineedle
|
||||
i32.eqz
|
||||
if
|
||||
i32.const -1
|
||||
return
|
||||
end
|
||||
;; ineedle -= 1;
|
||||
get_local $ineedle
|
||||
i32.const -1
|
||||
i32.add
|
||||
tee_local $ineedle
|
||||
;; let nchar = ineedle === -1 ? 0 : buf[ineedle];
|
||||
i32.const 0
|
||||
i32.lt_s
|
||||
if
|
||||
i32.const 0
|
||||
set_local $nchar
|
||||
else
|
||||
get_local $ineedle
|
||||
;; let c = this.buf[ineedle];
|
||||
i32.load8_u
|
||||
set_local $c
|
||||
;; for (;;) {
|
||||
block $foundSegment loop $findSegment
|
||||
;; v = this.buf32[icell+2];
|
||||
get_local $icell
|
||||
i32.load offset=8
|
||||
tee_local $v
|
||||
;; i0 = this.char0 + (v & 0x00FFFFFF);
|
||||
i32.const 0x00FFFFFF
|
||||
i32.and
|
||||
get_local $char0
|
||||
i32.add
|
||||
tee_local $i0
|
||||
;; if ( this.buf[i0] === c ) { break; }
|
||||
i32.load8_u
|
||||
set_local $nchar
|
||||
end
|
||||
block $trieCharEqNeedleChar loop $nextTrieChar
|
||||
;; let tchar = buf[itrie+8];
|
||||
get_local $itrie
|
||||
i32.load8_u offset=8
|
||||
tee_local $tchar
|
||||
;; if ( tchar === nchar ) { break; }
|
||||
get_local $nchar
|
||||
get_local $c
|
||||
i32.eq
|
||||
br_if $trieCharEqNeedleChar
|
||||
;; if ( tchar === 0 && nchar === 0x2E ) { return 1; }
|
||||
get_local $tchar
|
||||
i32.eqz
|
||||
if
|
||||
get_local $nchar
|
||||
i32.const 0x2E
|
||||
i32.eq
|
||||
if
|
||||
i32.const 1
|
||||
return
|
||||
end
|
||||
end
|
||||
;; itrie = buf32[itrie >>> 2];
|
||||
get_local $itrie
|
||||
br_if $foundSegment
|
||||
;; icell = this.buf32[icell+0];
|
||||
get_local $icell
|
||||
i32.load
|
||||
tee_local $itrie
|
||||
;; if ( itrie === 0 ) { return 0; }
|
||||
i32.const 2
|
||||
i32.shl
|
||||
tee_local $icell
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
i32.const -1
|
||||
return
|
||||
end
|
||||
br $nextTrieChar
|
||||
br 0
|
||||
end end
|
||||
;; if ( nchar === 0 ) { return 1; }
|
||||
get_local $nchar
|
||||
i32.eqz
|
||||
;; let n = v >>> 24;
|
||||
get_local $v
|
||||
i32.const 24
|
||||
i32.shr_u
|
||||
tee_local $n
|
||||
;; if ( n > 1 ) {
|
||||
i32.const 1
|
||||
i32.gt_u
|
||||
if
|
||||
i32.const 1
|
||||
return
|
||||
end
|
||||
;; let lxtra = buf[itrie+9];
|
||||
get_local $itrie
|
||||
i32.load8_u offset=9
|
||||
tee_local $lxtra
|
||||
i32.eqz
|
||||
if else
|
||||
;; if ( lxtra > ineedle ) { return 0; }
|
||||
get_local $lxtra
|
||||
;; n -= 1;
|
||||
get_local $n
|
||||
i32.const -1
|
||||
i32.add
|
||||
tee_local $n
|
||||
;; if ( n > ineedle ) { return -1; }
|
||||
get_local $ineedle
|
||||
i32.gt_u
|
||||
if
|
||||
i32.const 0
|
||||
i32.const -1
|
||||
return
|
||||
end
|
||||
;; let ixtra = itrie + 10;
|
||||
get_local $itrie
|
||||
i32.const 10
|
||||
get_local $i0
|
||||
i32.const 1
|
||||
i32.add
|
||||
tee_local $ixtra
|
||||
;; lxtra += ixtra;
|
||||
get_local $lxtra
|
||||
tee_local $i0
|
||||
;; const i1 = i0 + n;
|
||||
get_local $n
|
||||
i32.add
|
||||
set_local $lxtra
|
||||
set_local $i1
|
||||
;; do {
|
||||
block $noMoreExtraChars loop
|
||||
loop
|
||||
;; ineedle -= 1;
|
||||
get_local $ineedle
|
||||
i32.const -1
|
||||
i32.add
|
||||
tee_local $ineedle
|
||||
;; if ( buf[ineedle] !== buf[ixtra] ) { return 0; }
|
||||
;; if ( this.buf[i0] !== this.buf[ineedle] ) { return -1; }
|
||||
i32.load8_u
|
||||
get_local $ixtra
|
||||
get_local $i0
|
||||
i32.load8_u
|
||||
i32.ne
|
||||
if
|
||||
i32.const 0
|
||||
i32.const -1
|
||||
return
|
||||
end
|
||||
;; ixtra += 1;
|
||||
get_local $ixtra
|
||||
;; i0 += 1;
|
||||
get_local $i0
|
||||
i32.const 1
|
||||
i32.add
|
||||
tee_local $ixtra
|
||||
;; while ( ixtra !== lxtra ) {
|
||||
get_local $lxtra
|
||||
i32.eq
|
||||
br_if $noMoreExtraChars
|
||||
br 0
|
||||
end end
|
||||
tee_local $i0
|
||||
;; } while ( i0 < i1 );
|
||||
get_local $i1
|
||||
i32.lt_u
|
||||
br_if 0
|
||||
end
|
||||
end
|
||||
;; itrie = buf32[itrie + 4 >>> 2];
|
||||
get_local $itrie
|
||||
;; icell = this.buf32[icell+1];
|
||||
get_local $icell
|
||||
i32.load offset=4
|
||||
tee_local $itrie
|
||||
;; if ( itrie === 0 ) {
|
||||
i32.const 2
|
||||
i32.shl
|
||||
tee_local $icell
|
||||
;; if ( icell === 0 ) { break; }
|
||||
i32.eqz
|
||||
br_if $noSegment
|
||||
;; if ( this.buf32[icell+2] === 0 ) {
|
||||
get_local $icell
|
||||
i32.load
|
||||
i32.eqz
|
||||
if
|
||||
;; return ineedle === 0 || buf[ineedle-1] === 0x2E ? 1 : 0;
|
||||
;; if ( ineedle === 0 || this.buf[ineedle-1] === 0x2E ) {
|
||||
;; return ineedle;
|
||||
;; }
|
||||
get_local $ineedle
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 1
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
get_local $ineedle
|
||||
@ -183,15 +206,462 @@
|
||||
i32.const 0x2E
|
||||
i32.eq
|
||||
if
|
||||
get_local $ineedle
|
||||
return
|
||||
end
|
||||
;; icell = this.buf32[icell+1];
|
||||
get_local $icell
|
||||
i32.load offset=4
|
||||
i32.const 2
|
||||
i32.shl
|
||||
set_local $icell
|
||||
end
|
||||
br 0
|
||||
end end
|
||||
;; return ineedle === 0 || this.buf[ineedle-1] === 0x2E ? ineedle : -1;
|
||||
get_local $ineedle
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
get_local $ineedle
|
||||
i32.const -1
|
||||
i32.add
|
||||
i32.load8_u
|
||||
i32.const 0x2E
|
||||
i32.eq
|
||||
if
|
||||
get_local $ineedle
|
||||
return
|
||||
end
|
||||
i32.const -1
|
||||
)
|
||||
|
||||
;;
|
||||
;; unsigned int add(icell)
|
||||
;;
|
||||
;; Add a new hostname to a trie which root cell is passed as argument.
|
||||
;;
|
||||
(func (export "add")
|
||||
(param $icell i32) ;; index of root cell of the trie
|
||||
(result i32) ;; result: 0 not added, 1 = added
|
||||
(local $lhnchar i32) ;; number of characters left to process in hostname
|
||||
(local $char0 i32) ;; offset to start of character data section
|
||||
(local $vseg i32) ;; integer value describing a segment
|
||||
(local $isegchar0 i32) ;; offset to start of current segment's character data
|
||||
(local $isegchar i32)
|
||||
(local $lsegchar i32) ;; number of character in current segment
|
||||
(local $inext i32) ;; index of next cell to process
|
||||
;;
|
||||
;; let lhnchar = this.buf[255];
|
||||
i32.const 255
|
||||
i32.load8_u
|
||||
tee_local $lhnchar
|
||||
;; if ( lhnchar === 0 ) { return 0; }
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
;; let icell = iroot;
|
||||
get_local $icell
|
||||
i32.const 2
|
||||
i32.shl
|
||||
tee_local $icell
|
||||
;; if ( this.buf32[icell+2] === 0 ) {
|
||||
i32.load offset=8
|
||||
i32.eqz
|
||||
if
|
||||
;;this.buf32[icell+2] = this.addSegment(lhnchar);
|
||||
;; return 1;
|
||||
get_local $icell
|
||||
get_local $lhnchar
|
||||
call $addSegment
|
||||
i32.store offset=8
|
||||
i32.const 1
|
||||
return
|
||||
end
|
||||
;; if (
|
||||
;; (this.buf32[HNBIGTRIE_CHAR0_SLOT] - this.buf32[HNBIGTRIE_TRIE1_SLOT]) < 24 ||
|
||||
;; (this.buf.length - this.buf32[HNBIGTRIE_CHAR1_SLOT]) < 256
|
||||
;; ) {
|
||||
;; this.growBuf();
|
||||
;; }
|
||||
i32.const 264
|
||||
i32.load
|
||||
i32.const 260
|
||||
i32.load
|
||||
i32.sub
|
||||
i32.const 24
|
||||
i32.lt_u
|
||||
if
|
||||
call $growBuf
|
||||
else
|
||||
memory.size
|
||||
i32.const 16
|
||||
i32.shl
|
||||
i32.const 268
|
||||
i32.load
|
||||
i32.sub
|
||||
i32.const 256
|
||||
i32.lt_u
|
||||
if
|
||||
call $growBuf
|
||||
end
|
||||
end
|
||||
;; const char0 = this.buf32[HNBIGTRIE_CHAR0_SLOT];
|
||||
i32.const 264
|
||||
i32.load
|
||||
set_local $char0
|
||||
;; for (;;) {
|
||||
loop $nextSegment
|
||||
;; const v = this.buf32[icell+2];
|
||||
get_local $icell
|
||||
i32.load offset=8
|
||||
tee_local $vseg
|
||||
;; if ( vseg === 0 ) {
|
||||
i32.eqz
|
||||
if
|
||||
get_local $icell
|
||||
i32.load offset=4
|
||||
i32.const 2
|
||||
i32.shl
|
||||
set_local $icell
|
||||
br $nextSegment
|
||||
end
|
||||
;; let isegchar0 = char0 + (vseg & 0x00FFFFFF);
|
||||
get_local $char0
|
||||
get_local $vseg
|
||||
i32.const 0x00FFFFFF
|
||||
i32.and
|
||||
i32.add
|
||||
tee_local $isegchar0
|
||||
;; if ( this.buf[isegchar0] !== this.buf[lhnchar-1] ) {
|
||||
i32.load8_u
|
||||
get_local $lhnchar
|
||||
i32.const -1
|
||||
i32.add
|
||||
i32.load8_u
|
||||
i32.ne
|
||||
if
|
||||
;; inext = this.buf32[icell+0];
|
||||
get_local $icell
|
||||
i32.load
|
||||
i32.const 2
|
||||
i32.shl
|
||||
tee_local $inext
|
||||
;; if ( inext === 0 ) {
|
||||
i32.eqz
|
||||
if
|
||||
;; this.buf32[icell+0] = this.addCell(0, 0, this.addSegment(lhnchar));
|
||||
get_local $icell
|
||||
i32.const 0
|
||||
i32.const 0
|
||||
get_local $lhnchar
|
||||
call $addSegment
|
||||
call $addCell
|
||||
i32.store
|
||||
;; return 1;
|
||||
i32.const 1
|
||||
return
|
||||
end
|
||||
i32.const 0
|
||||
return
|
||||
;; icell = inext;
|
||||
get_local $inext
|
||||
set_local $icell
|
||||
br $nextSegment
|
||||
end
|
||||
br 0
|
||||
;; let isegchar = 1;
|
||||
i32.const 1
|
||||
set_local $isegchar
|
||||
;; lhnchar -= 1;
|
||||
get_local $lhnchar
|
||||
i32.const -1
|
||||
i32.add
|
||||
set_local $lhnchar
|
||||
;; const lsegchar = vseg >>> 24;
|
||||
get_local $vseg
|
||||
i32.const 24
|
||||
i32.shr_u
|
||||
tee_local $lsegchar
|
||||
;; if ( lsegchar !== 1 ) {
|
||||
i32.const 1
|
||||
i32.ne
|
||||
if
|
||||
;; for (;;) {
|
||||
block $mismatch loop
|
||||
;; if ( isegchar === lsegchar ) { break; }
|
||||
get_local $isegchar
|
||||
get_local $lsegchar
|
||||
i32.eq
|
||||
br_if $mismatch
|
||||
get_local $lhnchar
|
||||
i32.eqz
|
||||
br_if $mismatch
|
||||
;; if ( this.buf[isegchar0+isegchar] !== this.buf[lhnchar-1] ) { break; }
|
||||
get_local $isegchar0
|
||||
get_local $isegchar
|
||||
i32.add
|
||||
i32.load8_u
|
||||
get_local $lhnchar
|
||||
i32.const -1
|
||||
i32.add
|
||||
i32.load8_u
|
||||
i32.ne
|
||||
br_if $mismatch
|
||||
;; isegchar += 1;
|
||||
get_local $isegchar
|
||||
i32.const 1
|
||||
i32.add
|
||||
set_local $isegchar
|
||||
;; lhnchar -= 1;
|
||||
get_local $lhnchar
|
||||
i32.const -1
|
||||
i32.add
|
||||
set_local $lhnchar
|
||||
br 0
|
||||
end end
|
||||
end
|
||||
;; if ( isegchar === lsegchar ) {
|
||||
get_local $isegchar
|
||||
get_local $lsegchar
|
||||
i32.eq
|
||||
if
|
||||
;; inext = this.buf32[icell+1];
|
||||
get_local $icell
|
||||
i32.load offset=4
|
||||
i32.const 2
|
||||
i32.shl
|
||||
set_local $inext
|
||||
;; if ( lhnchar === 0 ) {
|
||||
get_local $lhnchar
|
||||
i32.eqz
|
||||
if
|
||||
;; if ( inext === 0 || this.buf32[inext+2] === 0 ) { return 0; }
|
||||
get_local $inext
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
get_local $inext
|
||||
i32.load offset=8
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
;; this.buf32[icell+1] = this.addCell(0, inext, 0);
|
||||
get_local $icell
|
||||
i32.const 0
|
||||
get_local $inext
|
||||
i32.const 2
|
||||
i32.shr_u
|
||||
i32.const 0
|
||||
call $addCell
|
||||
i32.store offset=4
|
||||
else
|
||||
;; if ( inext !== 0 ) {
|
||||
get_local $inext
|
||||
i32.eqz
|
||||
if else
|
||||
;; icell = inext;
|
||||
get_local $inext
|
||||
set_local $icell
|
||||
br $nextSegment
|
||||
end
|
||||
;; inext = this.addCell(0, 0, 0);
|
||||
;; this.buf32[icell+1] = inext;
|
||||
get_local $icell
|
||||
i32.const 0
|
||||
i32.const 0
|
||||
i32.const 0
|
||||
call $addCell
|
||||
tee_local $inext
|
||||
i32.store offset=4
|
||||
;; this.buf32[inext+1] = this.addCell(0, 0, this.addSegment(lhnchar));
|
||||
get_local $inext
|
||||
i32.const 2
|
||||
i32.shl
|
||||
i32.const 0
|
||||
i32.const 0
|
||||
get_local $lhnchar
|
||||
call $addSegment
|
||||
call $addCell
|
||||
i32.store offset=4
|
||||
end
|
||||
else
|
||||
;; isegchar0 -= char0;
|
||||
get_local $icell
|
||||
get_local $isegchar0
|
||||
get_local $char0
|
||||
i32.sub
|
||||
tee_local $isegchar0
|
||||
;; this.buf32[icell+2] = isegchar << 24 | isegchar0;
|
||||
get_local $isegchar
|
||||
i32.const 24
|
||||
i32.shl
|
||||
i32.or
|
||||
i32.store offset=8
|
||||
;; inext = this.addCell(
|
||||
;; 0,
|
||||
;; this.buf32[icell+1],
|
||||
;; lsegchar - isegchar << 24 | isegchar0 + isegchar
|
||||
;; );
|
||||
;; this.buf32[icell+1] = inext;
|
||||
get_local $icell
|
||||
i32.const 0
|
||||
get_local $icell
|
||||
i32.load offset=4
|
||||
get_local $lsegchar
|
||||
get_local $isegchar
|
||||
i32.sub
|
||||
i32.const 24
|
||||
i32.shl
|
||||
get_local $isegchar0
|
||||
get_local $isegchar
|
||||
i32.add
|
||||
i32.or
|
||||
call $addCell
|
||||
tee_local $inext
|
||||
i32.store offset=4
|
||||
;; if ( lhnchar === 0 ) {
|
||||
get_local $lhnchar
|
||||
i32.eqz
|
||||
if
|
||||
;; this.buf32[icell+1] = this.addCell(0, inext, 0);
|
||||
get_local $icell
|
||||
i32.const 0
|
||||
get_local $inext
|
||||
i32.const 0
|
||||
call $addCell
|
||||
i32.store offset=4
|
||||
else
|
||||
;; this.buf32[inext+0] = this.addCell(0, 0, this.addSegment(lhnchar));
|
||||
get_local $inext
|
||||
i32.const 2
|
||||
i32.shl
|
||||
i32.const 0
|
||||
i32.const 0
|
||||
get_local $lhnchar
|
||||
call $addSegment
|
||||
call $addCell
|
||||
i32.store
|
||||
end
|
||||
end
|
||||
;; return 1;
|
||||
i32.const 1
|
||||
return
|
||||
end
|
||||
i32.const 0
|
||||
;;
|
||||
i32.const 1
|
||||
)
|
||||
|
||||
;;
|
||||
;; Private functions
|
||||
;;
|
||||
|
||||
;;
|
||||
;; unsigned int addCell(idown, iright, vseg)
|
||||
;;
|
||||
;; Add a new cell, return cell index.
|
||||
;;
|
||||
(func $addCell
|
||||
(param $idown i32)
|
||||
(param $iright i32)
|
||||
(param $vseg i32)
|
||||
(result i32) ;; result: index of added cell
|
||||
(local $icell i32)
|
||||
;;
|
||||
;; let icell = this.buf32[HNBIGTRIE_TRIE1_SLOT];
|
||||
;; this.buf32[HNBIGTRIE_TRIE1_SLOT] = icell + 12;
|
||||
i32.const 260
|
||||
i32.const 260
|
||||
i32.load
|
||||
tee_local $icell
|
||||
i32.const 12
|
||||
i32.add
|
||||
i32.store
|
||||
;; this.buf32[icell+0] = idown;
|
||||
get_local $icell
|
||||
get_local $idown
|
||||
i32.store
|
||||
;; this.buf32[icell+1] = iright;
|
||||
get_local $icell
|
||||
get_local $iright
|
||||
i32.store offset=4
|
||||
;; this.buf32[icell+2] = v;
|
||||
get_local $icell
|
||||
get_local $vseg
|
||||
i32.store offset=8
|
||||
;; return icell;
|
||||
get_local $icell
|
||||
i32.const 2
|
||||
i32.shr_u
|
||||
)
|
||||
|
||||
;;
|
||||
;; unsigned int addSegment(lsegchar)
|
||||
;;
|
||||
;; Store a segment of characters and return a segment descriptor. The segment
|
||||
;; is created from the character data in the needle buffer.
|
||||
;;
|
||||
(func $addSegment
|
||||
(param $lsegchar i32)
|
||||
(result i32) ;; result: segment descriptor
|
||||
(local $char1 i32) ;; offset to end of character data section
|
||||
(local $isegchar i32) ;; relative offset to first character of segment
|
||||
(local $i i32) ;; iterator
|
||||
;;
|
||||
;; if ( lsegchar === 0 ) { return 0; }
|
||||
get_local $lsegchar
|
||||
i32.eqz
|
||||
if
|
||||
i32.const 0
|
||||
return
|
||||
end
|
||||
;; let char1 = this.buf32[HNBIGTRIE_CHAR1_SLOT];
|
||||
i32.const 268
|
||||
i32.load
|
||||
tee_local $char1
|
||||
;; const isegchar = char1 - this.buf32[HNBIGTRIE_CHAR0_SLOT];
|
||||
i32.const 264
|
||||
i32.load
|
||||
i32.sub
|
||||
set_local $isegchar
|
||||
;; let i = lsegchar;
|
||||
get_local $lsegchar
|
||||
set_local $i
|
||||
;; do {
|
||||
block $endOfSegment loop
|
||||
;; this.buf[char1++] = this.buf[--i];
|
||||
get_local $char1
|
||||
get_local $i
|
||||
i32.const -1
|
||||
i32.add
|
||||
tee_local $i
|
||||
i32.load8_u
|
||||
i32.store8
|
||||
get_local $char1
|
||||
i32.const 1
|
||||
i32.add
|
||||
set_local $char1
|
||||
;; } while ( i !== 0 );
|
||||
get_local $i
|
||||
i32.eqz
|
||||
br_if $endOfSegment
|
||||
br 0
|
||||
end end
|
||||
;; this.buf32[HNBIGTRIE_CHAR1_SLOT] = char1;
|
||||
i32.const 268
|
||||
get_local $char1
|
||||
i32.store
|
||||
;; return (lsegchar << 24) | isegchar;
|
||||
get_local $lsegchar
|
||||
i32.const 24
|
||||
i32.shl
|
||||
get_local $isegchar
|
||||
i32.or
|
||||
)
|
||||
|
||||
;;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user