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// 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 "src/regexp/regexp-bytecode-generator.h"
#include "src/ast/ast.h"
#include "src/regexp/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_ <= buffer_.length());
if (pc_ + 1 >= buffer_.length()) {
Expand();
}
*reinterpret_cast<uint16_t*>(buffer_.begin() + pc_) = word;
pc_ += 2;
}
void RegExpBytecodeGenerator::Emit8(uint32_t word) {
DCHECK(pc_ <= buffer_.length());
if (pc_ == buffer_.length()) {
Expand();
}
*reinterpret_cast<unsigned char*>(buffer_.begin() + pc_) = word;
pc_ += 1;
}
void RegExpBytecodeGenerator::Emit32(uint32_t word) {
DCHECK(pc_ <= buffer_.length());
if (pc_ + 3 >= buffer_.length()) {
Expand();
}
*reinterpret_cast<uint32_t*>(buffer_.begin() + pc_) = word;
pc_ += 4;
}
} // namespace internal
} // namespace v8
#endif // V8_REGEXP_REGEXP_BYTECODE_GENERATOR_INL_H_
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