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Issue 181453002: Reset trunk to 3.24.35.4 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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160 } 160 }
161 if (!has_error()) { 161 if (!has_error()) {
162 symbol_store_.WriteTo( 162 symbol_store_.WriteTo(
163 Vector<byte>::cast(data.SubVector(symbol_start, total_size))); 163 Vector<byte>::cast(data.SubVector(symbol_start, total_size)));
164 } 164 }
165 return data; 165 return data;
166 } 166 }
167 167
168 168
169 void CompleteParserRecorder::WriteNumber(int number) { 169 void CompleteParserRecorder::WriteNumber(int number) {
170 // Split the number into chunks of 7 bits. Write them one after another (the
171 // most significant first). Use the MSB of each byte for signalling that the
172 // number continues. See ScriptDataImpl::ReadNumber for the reading side.
173 ASSERT(number >= 0); 170 ASSERT(number >= 0);
174 171
175 int mask = (1 << 28) - 1; 172 int mask = (1 << 28) - 1;
176 int i = 28; 173 for (int i = 28; i > 0; i -= 7) {
177 // 26 million symbols ought to be enough for anybody. 174 if (number > mask) {
178 ASSERT(number <= mask); 175 symbol_store_.Add(static_cast<byte>(number >> i) | 0x80u);
179 while (number < mask) { 176 number &= mask;
177 }
180 mask >>= 7; 178 mask >>= 7;
181 i -= 7;
182 } 179 }
183 while (i > 0) {
184 symbol_store_.Add(static_cast<byte>(number >> i) | 0x80u);
185 number &= mask;
186 mask >>= 7;
187 i -= 7;
188 }
189 ASSERT(number < (1 << 7));
190 symbol_store_.Add(static_cast<byte>(number)); 180 symbol_store_.Add(static_cast<byte>(number));
191 } 181 }
192 182
193 183
194 } } // namespace v8::internal. 184 } } // namespace v8::internal.
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