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| 1 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file | 
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a | 
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. | 
| 4 | 4 | 
| 5 // A light-weight assembler for the Irregexp byte code. | 5 // A light-weight assembler for the Irregexp byte code. | 
| 6 | 6 | 
| 7 #include "vm/regexp_bytecodes.h" | 7 #include "vm/regexp_bytecodes.h" | 
| 8 | 8 | 
| 9 #ifndef VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 9 #ifndef RUNTIME_VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 
| 10 #define VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 10 #define RUNTIME_VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 
| 11 | 11 | 
| 12 namespace dart { | 12 namespace dart { | 
| 13 | 13 | 
| 14 void BytecodeRegExpMacroAssembler::Emit(uint32_t byte, | 14 void BytecodeRegExpMacroAssembler::Emit(uint32_t byte, | 
| 15                                         uint32_t twenty_four_bits) { | 15                                         uint32_t twenty_four_bits) { | 
| 16   uint32_t word = ((twenty_four_bits << BYTECODE_SHIFT) | byte); | 16   uint32_t word = ((twenty_four_bits << BYTECODE_SHIFT) | byte); | 
| 17   ASSERT(pc_ <= buffer_->length()); | 17   ASSERT(pc_ <= buffer_->length()); | 
| 18   if (pc_  + 3 >= buffer_->length()) { | 18   if (pc_  + 3 >= buffer_->length()) { | 
| 19     Expand(); | 19     Expand(); | 
| 20   } | 20   } | 
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| 47   ASSERT(pc_ <= buffer_->length()); | 47   ASSERT(pc_ <= buffer_->length()); | 
| 48   if (pc_ + 3 >= buffer_->length()) { | 48   if (pc_ + 3 >= buffer_->length()) { | 
| 49     Expand(); | 49     Expand(); | 
| 50   } | 50   } | 
| 51   *reinterpret_cast<uint32_t*>(buffer_->data() + pc_) = word; | 51   *reinterpret_cast<uint32_t*>(buffer_->data() + pc_) = word; | 
| 52   pc_ += 4; | 52   pc_ += 4; | 
| 53 } | 53 } | 
| 54 | 54 | 
| 55 }  // namespace dart | 55 }  // namespace dart | 
| 56 | 56 | 
| 57 #endif  // VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 57 #endif  // RUNTIME_VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_ | 
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