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Issue 29398669: Issue 5063 - [emscripten] Make FilterNotifier calls more efficient (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore
Patch Set: Added missing files Created April 6, 2017, 8:08 a.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-2017 eyeo GmbH 3 * Copyright (C) 2006-2017 eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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435 result += " if (result)\n"; 435 result += " if (result)\n";
436 result += " {\n"; 436 result += " {\n";
437 437
438 auto it = classes.find(call.pointerType); 438 auto it = classes.find(call.pointerType);
439 if (it == classes.end()) 439 if (it == classes.end())
440 throw std::runtime_error("Function " + std::string(call.name) + " return s pointer to unknown class"); 440 throw std::runtime_error("Function " + std::string(call.name) + " return s pointer to unknown class");
441 441
442 const ClassInfo& cls = it->second; 442 const ClassInfo& cls = it->second;
443 auto offset = cls.subclass_differentiator.offset; 443 auto offset = cls.subclass_differentiator.offset;
444 if (offset == SIZE_MAX) 444 if (offset == SIZE_MAX)
445 result += " result = " + cls.name + "(result);\n"; 445 result += " result = exports." + cls.name + "(result);\n";
446 else 446 else
447 { 447 result += " result = exports." + cls.name + ".fromPointer(result);\n" ;
448 result += " var type = HEAP32[result + " + std::to_string(offset)+ " >> 2];\n";
449 result += " if (type in " + cls.name + "_mapping)\n";
450 result += " result = new (exports[" + cls.name + "_mapping[type]])( result);\n";
451 result += " else\n";
452 result += " throw new Error('Unexpected " + cls.name + " type: ' + type);\n";
453 }
454 448
455 result += " }\n"; 449 result += " }\n";
456 result += " else\n"; 450 result += " else\n";
457 result += " result = null;\n"; 451 result += " result = null;\n";
458 return result; 452 return result;
459 } 453 }
460 else 454 else
461 throw std::runtime_error("Unexpected return type for " + std::string(call. name)); 455 throw std::runtime_error("Unexpected return type for " + std::string(call. name));
462 } 456 }
463 457
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561 { 555 {
562 Module._ReleaseRef(this._pointer + ref_counted_offset); 556 Module._ReleaseRef(this._pointer + ref_counted_offset);
563 }; 557 };
564 return result; 558 return result;
565 } 559 }
566 )"); 560 )");
567 } 561 }
568 562
569 void printClass(const ClassInfo& cls) 563 void printClass(const ClassInfo& cls)
570 { 564 {
565 printf("exports.%s = createClass(%s, %i);\n", cls.name.c_str(),
566 (cls.baseClass ? ("exports." + cls.baseClass->name).c_str() : "null"),
567 cls.ref_counted_offset);
568
571 DifferentiatorInfo differentiator = cls.subclass_differentiator; 569 DifferentiatorInfo differentiator = cls.subclass_differentiator;
572 if (differentiator.offset != SIZE_MAX) 570 if (differentiator.offset != SIZE_MAX)
573 { 571 {
574 printf("var %s_mapping = \n", cls.name.c_str()); 572 printf("var %s_mapping = \n", cls.name.c_str());
575 puts("{"); 573 puts("{");
576 for (const auto& item : differentiator.mapping) 574 for (const auto& item : differentiator.mapping)
577 printf(" %i: '%s',\n", item.first, item.second.c_str()); 575 printf(" %i: '%s',\n", item.first, item.second.c_str());
578 puts("};"); 576 puts("};");
577
578 printf("exports.%s.fromPointer = function(ptr)\n", cls.name.c_str());
579 puts("{");
580 printf(" var type = HEAP32[ptr + %i >> 2];\n", differentiator.offset);
581 printf(" if (type in %s_mapping)\n", cls.name.c_str());
582 printf(" return new (exports[%s_mapping[type]])(ptr);\n", cls.name.c_st r());
583 printf(" throw new Error('Unexpected %s type: ' + type);\n", cls.name.c_s tr());
584 puts("};");
579 } 585 }
580 586 else
581 printf("exports.%s = createClass(%s, %i);\n", cls.name.c_str(), 587 {
582 (cls.baseClass ? ("exports." + cls.baseClass->name).c_str() : "null"), 588 printf("exports.%s.fromPointer = function(ptr)\n", cls.name.c_str());
583 cls.ref_counted_offset); 589 puts("{");
590 printf(" return new exports.%s(ptr);\n", cls.name.c_str());
591 puts("};");
592 }
584 593
585 for (const auto& item : cls.properties) 594 for (const auto& item : cls.properties)
586 { 595 {
587 printf("Object.defineProperty(exports.%s.prototype, '%s', {%s});\n", 596 printf("Object.defineProperty(exports.%s.prototype, '%s', {%s});\n",
588 cls.name.c_str(), item.name.c_str(), 597 cls.name.c_str(), item.name.c_str(),
589 generatePropertyDescriptor(item).c_str()); 598 generatePropertyDescriptor(item).c_str());
590 } 599 }
591 600
592 for (const auto& item : cls.methods) 601 for (const auto& item : cls.methods)
593 { 602 {
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749 bindings_internal::register_differentiator( 758 bindings_internal::register_differentiator(
750 bindings_internal::TypeInfo<ClassType>(), offset, mapping); 759 bindings_internal::TypeInfo<ClassType>(), offset, mapping);
751 return *this; 760 return *this;
752 } 761 }
753 }; 762 };
754 763
755 void custom_generator(bindings_internal::CustomGenerator generator) 764 void custom_generator(bindings_internal::CustomGenerator generator)
756 { 765 {
757 bindings_internal::customGenerators.push_back(generator); 766 bindings_internal::customGenerators.push_back(generator);
758 } 767 }
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