1// Copyright 2008-2009 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_REGEXP_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
6#define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
7
8#ifdef V8_INTERPRETED_REGEXP
9
10#include "src/ast/ast.h"
11#include "src/regexp/bytecodes-irregexp.h"
12
13namespace v8 {
14namespace internal {
15
16void RegExpMacroAssemblerIrregexp::Emit(uint32_t byte,
17                                        uint32_t twenty_four_bits) {
18  uint32_t word = ((twenty_four_bits << BYTECODE_SHIFT) | byte);
19  DCHECK(pc_ <= buffer_.length());
20  if (pc_  + 3 >= buffer_.length()) {
21    Expand();
22  }
23  *reinterpret_cast<uint32_t*>(buffer_.start() + pc_) = word;
24  pc_ += 4;
25}
26
27
28void RegExpMacroAssemblerIrregexp::Emit16(uint32_t word) {
29  DCHECK(pc_ <= buffer_.length());
30  if (pc_ + 1 >= buffer_.length()) {
31    Expand();
32  }
33  *reinterpret_cast<uint16_t*>(buffer_.start() + pc_) = word;
34  pc_ += 2;
35}
36
37
38void RegExpMacroAssemblerIrregexp::Emit8(uint32_t word) {
39  DCHECK(pc_ <= buffer_.length());
40  if (pc_ == buffer_.length()) {
41    Expand();
42  }
43  *reinterpret_cast<unsigned char*>(buffer_.start() + pc_) = word;
44  pc_ += 1;
45}
46
47
48void RegExpMacroAssemblerIrregexp::Emit32(uint32_t word) {
49  DCHECK(pc_ <= buffer_.length());
50  if (pc_ + 3 >= buffer_.length()) {
51    Expand();
52  }
53  *reinterpret_cast<uint32_t*>(buffer_.start() + pc_) = word;
54  pc_ += 4;
55}
56
57}  // namespace internal
58}  // namespace v8
59
60#endif  // V8_INTERPRETED_REGEXP
61
62#endif  // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
63