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	 c0f985ffcf
			
		
	
	
		c0f985ffcf
		
	
	
	
	
		
			
			The RegExpLiteral AST node already has the parsed regex::Parser::Result so let's plumb that over to the bytecode executable instead of reparsing the regex every time NewRegExp is executed. ~12% speed-up on language/literals/regexp/S7.8.5_A2.1_T2.js in test262.
		
			
				
	
	
		
			46 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021-2023, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/DeprecatedFlyString.h>
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| #include <AK/NonnullOwnPtr.h>
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| #include <AK/WeakPtr.h>
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| #include <LibJS/Bytecode/BasicBlock.h>
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| #include <LibJS/Bytecode/IdentifierTable.h>
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| #include <LibJS/Bytecode/RegexTable.h>
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| #include <LibJS/Bytecode/StringTable.h>
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| 
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| namespace JS::Bytecode {
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| 
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| struct PropertyLookupCache {
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|     WeakPtr<Shape> shape;
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|     Optional<u32> property_offset;
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|     u64 unique_shape_serial_number { 0 };
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| };
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| 
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| struct GlobalVariableCache : public PropertyLookupCache {
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|     u64 environment_serial_number { 0 };
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| };
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| 
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| struct Executable {
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|     DeprecatedFlyString name;
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|     Vector<PropertyLookupCache> property_lookup_caches;
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|     Vector<GlobalVariableCache> global_variable_caches;
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|     Vector<NonnullOwnPtr<BasicBlock>> basic_blocks;
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|     NonnullOwnPtr<StringTable> string_table;
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|     NonnullOwnPtr<IdentifierTable> identifier_table;
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|     NonnullOwnPtr<RegexTable> regex_table;
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|     size_t number_of_registers { 0 };
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|     bool is_strict_mode { false };
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| 
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|     DeprecatedString const& get_string(StringTableIndex index) const { return string_table->get(index); }
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|     DeprecatedFlyString const& get_identifier(IdentifierTableIndex index) const { return identifier_table->get(index); }
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| 
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|     void dump() const;
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| };
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| 
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| }
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