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Diffstat (limited to 'js/src/irregexp/imported/regexp-bytecode-generator-inl.h')
-rw-r--r-- | js/src/irregexp/imported/regexp-bytecode-generator-inl.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/irregexp/imported/regexp-bytecode-generator-inl.h b/js/src/irregexp/imported/regexp-bytecode-generator-inl.h new file mode 100644 index 0000000000..807ca66f47 --- /dev/null +++ b/js/src/irregexp/imported/regexp-bytecode-generator-inl.h @@ -0,0 +1,55 @@ +// Copyright 2008-2009 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef V8_REGEXP_REGEXP_BYTECODE_GENERATOR_INL_H_ +#define V8_REGEXP_REGEXP_BYTECODE_GENERATOR_INL_H_ + +#include "irregexp/imported/regexp-bytecode-generator.h" + +#include "irregexp/imported/regexp-bytecodes.h" + +namespace v8 { +namespace internal { + +void RegExpBytecodeGenerator::Emit(uint32_t byte, uint32_t twenty_four_bits) { + DCHECK(is_uint24(twenty_four_bits)); + Emit32((twenty_four_bits << BYTECODE_SHIFT) | byte); +} + +void RegExpBytecodeGenerator::Emit(uint32_t byte, int32_t twenty_four_bits) { + DCHECK(is_int24(twenty_four_bits)); + Emit32((static_cast<uint32_t>(twenty_four_bits) << BYTECODE_SHIFT) | byte); +} + +void RegExpBytecodeGenerator::Emit16(uint32_t word) { + DCHECK(pc_ <= static_cast<int>(buffer_.size())); + if (pc_ + 1 >= static_cast<int>(buffer_.size())) { + ExpandBuffer(); + } + *reinterpret_cast<uint16_t*>(buffer_.data() + pc_) = word; + pc_ += 2; +} + +void RegExpBytecodeGenerator::Emit8(uint32_t word) { + DCHECK(pc_ <= static_cast<int>(buffer_.size())); + if (pc_ == static_cast<int>(buffer_.size())) { + ExpandBuffer(); + } + *reinterpret_cast<unsigned char*>(buffer_.data() + pc_) = word; + pc_ += 1; +} + +void RegExpBytecodeGenerator::Emit32(uint32_t word) { + DCHECK(pc_ <= static_cast<int>(buffer_.size())); + if (pc_ + 3 >= static_cast<int>(buffer_.size())) { + ExpandBuffer(); + } + *reinterpret_cast<uint32_t*>(buffer_.data() + pc_) = word; + pc_ += 4; +} + +} // namespace internal +} // namespace v8 + +#endif // V8_REGEXP_REGEXP_BYTECODE_GENERATOR_INL_H_ |