blob: f2a4e851f76e1229a3ea55af6ebe44065d5f3fb5 [file] [log] [blame]
Steve Blocka7e24c12009-10-30 11:49:00 +00001// Copyright 2008-2009 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
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5//
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27
28// A light-weight assembler for the Irregexp byte code.
29
30
31#include "v8.h"
32#include "ast.h"
33#include "bytecodes-irregexp.h"
34
35#ifndef V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
36#define V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
37
38namespace v8 {
39namespace internal {
40
Steve Block6ded16b2010-05-10 14:33:55 +010041#ifdef V8_INTERPRETED_REGEXP
Steve Blocka7e24c12009-10-30 11:49:00 +000042
43void RegExpMacroAssemblerIrregexp::Emit(uint32_t byte,
44 uint32_t twenty_four_bits) {
45 uint32_t word = ((twenty_four_bits << BYTECODE_SHIFT) | byte);
46 ASSERT(pc_ <= buffer_.length());
47 if (pc_ + 3 >= buffer_.length()) {
48 Expand();
49 }
50 *reinterpret_cast<uint32_t*>(buffer_.start() + pc_) = word;
51 pc_ += 4;
52}
53
54
55void RegExpMacroAssemblerIrregexp::Emit16(uint32_t word) {
56 ASSERT(pc_ <= buffer_.length());
57 if (pc_ + 1 >= buffer_.length()) {
58 Expand();
59 }
60 *reinterpret_cast<uint16_t*>(buffer_.start() + pc_) = word;
61 pc_ += 2;
62}
63
64
65void RegExpMacroAssemblerIrregexp::Emit32(uint32_t word) {
66 ASSERT(pc_ <= buffer_.length());
67 if (pc_ + 3 >= buffer_.length()) {
68 Expand();
69 }
70 *reinterpret_cast<uint32_t*>(buffer_.start() + pc_) = word;
71 pc_ += 4;
72}
73
Steve Block6ded16b2010-05-10 14:33:55 +010074#endif // V8_INTERPRETED_REGEXP
Steve Blocka7e24c12009-10-30 11:49:00 +000075
76} } // namespace v8::internal
77
78#endif // V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_