blob: 340d1be65d01052f6c778940eb55cdec12c2c06e [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef VM_UNIBROW_INL_H_
#define VM_UNIBROW_INL_H_
#include "vm/unibrow.h"
#include "platform/assert.h"
namespace unibrow {
template <class T, intptr_t s> intptr_t Mapping<T, s>::get(
int32_t c, int32_t n, int32_t* result) {
CacheEntry entry = entries_[c & kMask];
if (entry.code_point_ == c) {
if (entry.offset_ == 0) {
return 0;
} else {
result[0] = c + entry.offset_;
return 1;
}
} else {
return CalculateValue(c, n, result);
}
}
template <class T, intptr_t s> intptr_t Mapping<T, s>::CalculateValue(
int32_t c, int32_t n, int32_t* result) {
bool allow_caching = true;
intptr_t length = T::Convert(c, n, result, &allow_caching);
if (allow_caching) {
if (length == 1) {
entries_[c & kMask] = CacheEntry(c, result[0] - c);
return 1;
} else {
entries_[c & kMask] = CacheEntry(c, 0);
return 0;
}
} else {
return length;
}
}
} // namespace unibrow
#endif // VM_UNIBROW_INL_H_