1// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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.
4
5#ifndef RUNTIME_VM_UNIBROW_INL_H_
6#define RUNTIME_VM_UNIBROW_INL_H_
7
8#include "vm/unibrow.h"
9
10#include "platform/assert.h"
11
12namespace unibrow {
13
14template <class T, intptr_t s>
15intptr_t Mapping<T, s>::get(int32_t c, int32_t n, int32_t* result) {
16 CacheEntry entry = entries_[c & kMask];
17 if (entry.code_point_ == c) {
18 if (entry.offset_ == 0) {
19 return 0;
20 } else {
21 result[0] = c + entry.offset_;
22 return 1;
23 }
24 } else {
25 return CalculateValue(c, n, result);
26 }
27}
28
29template <class T, intptr_t s>
30intptr_t Mapping<T, s>::CalculateValue(int32_t c, int32_t n, int32_t* result) {
31 bool allow_caching = true;
32 intptr_t length = T::Convert(c, n, result, &allow_caching);
33 if (allow_caching) {
34 if (length == 1) {
35 entries_[c & kMask] = CacheEntry(c, result[0] - c);
36 return 1;
37 } else {
38 entries_[c & kMask] = CacheEntry(c, 0);
39 return 0;
40 }
41 } else {
42 return length;
43 }
44}
45
46} // namespace unibrow
47
48#endif // RUNTIME_VM_UNIBROW_INL_H_
49