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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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904 // ReplaceResultBuilder support. | 904 // ReplaceResultBuilder support. |
905 function ReplaceResultBuilder(str) { | 905 function ReplaceResultBuilder(str) { |
906 if (%_ArgumentsLength() > 1) { | 906 if (%_ArgumentsLength() > 1) { |
907 this.elements = %_Arguments(1); | 907 this.elements = %_Arguments(1); |
908 } else { | 908 } else { |
909 this.elements = new InternalArray(); | 909 this.elements = new InternalArray(); |
910 } | 910 } |
911 this.special_string = str; | 911 this.special_string = str; |
912 } | 912 } |
913 | 913 |
914 SetUpLockedPrototype(ReplaceResultBuilder, | 914 ReplaceResultBuilder.prototype.__proto__ = null; |
915 $Array("elements", "special_string"), $Array( | 915 |
916 "add", function(str) { | 916 |
917 str = TO_STRING_INLINE(str); | 917 ReplaceResultBuilder.prototype.add = function(str) { |
918 if (str.length > 0) this.elements.push(str); | 918 str = TO_STRING_INLINE(str); |
919 }, | 919 if (str.length > 0) this.elements.push(str); |
920 "addSpecialSlice", function(start, end) { | 920 } |
921 var len = end - start; | 921 |
922 if (start < 0 || len <= 0) return; | 922 |
923 if (start < 0x80000 && len < 0x800) { | 923 ReplaceResultBuilder.prototype.addSpecialSlice = function(start, end) { |
924 this.elements.push((start << 11) | len); | 924 var len = end - start; |
925 } else { | 925 if (start < 0 || len <= 0) return; |
926 // 0 < len <= String::kMaxLength and Smi::kMaxValue >= String::kMaxLength, | 926 if (start < 0x80000 && len < 0x800) { |
927 // so -len is a smi. | 927 this.elements.push((start << 11) | len); |
928 var elements = this.elements; | 928 } else { |
929 elements.push(-len); | 929 // 0 < len <= String::kMaxLength and Smi::kMaxValue >= String::kMaxLength, |
930 elements.push(start); | 930 // so -len is a smi. |
931 } | |
932 }, | |
933 "generate", function() { | |
934 var elements = this.elements; | 931 var elements = this.elements; |
935 return %StringBuilderConcat(elements, elements.length, this.special_string); | 932 elements.push(-len); |
| 933 elements.push(start); |
936 } | 934 } |
937 )); | 935 } |
| 936 |
| 937 |
| 938 ReplaceResultBuilder.prototype.generate = function() { |
| 939 var elements = this.elements; |
| 940 return %StringBuilderConcat(elements, elements.length, this.special_string); |
| 941 } |
938 | 942 |
939 | 943 |
940 // ------------------------------------------------------------------- | 944 // ------------------------------------------------------------------- |
941 | 945 |
942 function SetUpString() { | 946 function SetupString() { |
943 %CheckIsBootstrapping(); | 947 // Setup the constructor property on the String prototype object. |
944 // Set up the constructor property on the String prototype object. | |
945 %SetProperty($String.prototype, "constructor", $String, DONT_ENUM); | 948 %SetProperty($String.prototype, "constructor", $String, DONT_ENUM); |
946 | 949 |
947 | 950 |
948 // Set up the non-enumerable functions on the String object. | 951 // Setup the non-enumerable functions on the String object. |
949 InstallFunctions($String, DONT_ENUM, $Array( | 952 InstallFunctions($String, DONT_ENUM, $Array( |
950 "fromCharCode", StringFromCharCode | 953 "fromCharCode", StringFromCharCode |
951 )); | 954 )); |
952 | 955 |
953 | 956 |
954 // Set up the non-enumerable functions on the String prototype object. | 957 // Setup the non-enumerable functions on the String prototype object. |
955 InstallFunctionsOnHiddenPrototype($String.prototype, DONT_ENUM, $Array( | 958 InstallFunctionsOnHiddenPrototype($String.prototype, DONT_ENUM, $Array( |
956 "valueOf", StringValueOf, | 959 "valueOf", StringValueOf, |
957 "toString", StringToString, | 960 "toString", StringToString, |
958 "charAt", StringCharAt, | 961 "charAt", StringCharAt, |
959 "charCodeAt", StringCharCodeAt, | 962 "charCodeAt", StringCharCodeAt, |
960 "concat", StringConcat, | 963 "concat", StringConcat, |
961 "indexOf", StringIndexOf, | 964 "indexOf", StringIndexOf, |
962 "lastIndexOf", StringLastIndexOf, | 965 "lastIndexOf", StringLastIndexOf, |
963 "localeCompare", StringLocaleCompare, | 966 "localeCompare", StringLocaleCompare, |
964 "match", StringMatch, | 967 "match", StringMatch, |
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984 "bold", StringBold, | 987 "bold", StringBold, |
985 "fixed", StringFixed, | 988 "fixed", StringFixed, |
986 "italics", StringItalics, | 989 "italics", StringItalics, |
987 "small", StringSmall, | 990 "small", StringSmall, |
988 "strike", StringStrike, | 991 "strike", StringStrike, |
989 "sub", StringSub, | 992 "sub", StringSub, |
990 "sup", StringSup | 993 "sup", StringSup |
991 )); | 994 )); |
992 } | 995 } |
993 | 996 |
994 SetUpString(); | 997 |
| 998 SetupString(); |
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