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LibJS: Implement RegExp.prototype.test with RegExpExec abstraction
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a90d5cb622
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2 changed files with 38 additions and 21 deletions
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@ -260,9 +260,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::exec)
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// 22.2.5.15 RegExp.prototype.test ( S ), https://tc39.es/ecma262/#sec-regexp.prototype.test
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JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::test)
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{
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// FIXME: This should try using dynamic properties for 'exec' first,
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// before falling back to builtin_exec.
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auto regexp_object = regexp_object_from(vm, global_object);
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auto* regexp_object = regexp_object_from(vm, global_object);
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if (!regexp_object)
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return {};
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@ -270,27 +268,11 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::test)
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if (vm.exception())
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return {};
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// RegExps without "global" and "sticky" always start at offset 0.
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if (!regexp_object->regex().options().has_flag_set((ECMAScriptFlags)regex::AllFlags::Internal_Stateful)) {
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regexp_object->set(vm.names.lastIndex, Value(0), true);
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if (vm.exception())
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return {};
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}
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auto last_index = regexp_object->get(vm.names.lastIndex);
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if (vm.exception())
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return {};
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regexp_object->regex().start_offset = last_index.to_length(global_object);
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auto match = regexp_exec(global_object, *regexp_object, str);
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if (vm.exception())
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return {};
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auto result = do_match(regexp_object->regex(), str);
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regexp_object->set(vm.names.lastIndex, Value(regexp_object->regex().start_offset), true);
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if (vm.exception())
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return {};
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return Value(result.success);
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return Value(!match.is_null());
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}
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// 22.2.5.16 RegExp.prototype.toString ( ), https://tc39.es/ecma262/#sec-regexp.prototype.tostring
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