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Side by Side Diff: runtime/vm/unibrow.h

Issue 2481873005: clang-format runtime/vm (Closed)
Patch Set: Merge Created 4 years, 1 month ago
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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file 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 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef RUNTIME_VM_UNIBROW_H_ 5 #ifndef RUNTIME_VM_UNIBROW_H_
6 #define RUNTIME_VM_UNIBROW_H_ 6 #define RUNTIME_VM_UNIBROW_H_
7 7
8 #include <sys/types.h> 8 #include <sys/types.h>
9 9
10 #include "vm/globals.h" 10 #include "vm/globals.h"
11 11
12 /** 12 /**
13 * \file 13 * \file
14 * Definitions and convenience functions for working with unicode. 14 * Definitions and convenience functions for working with unicode.
15 */ 15 */
16 16
17 namespace unibrow { 17 namespace unibrow {
18 18
19 // A cache used in case conversion. It caches the value for characters 19 // A cache used in case conversion. It caches the value for characters
20 // that either have no mapping or map to a single character independent 20 // that either have no mapping or map to a single character independent
21 // of context. Characters that map to more than one character or that 21 // of context. Characters that map to more than one character or that
22 // map differently depending on context are always looked up. 22 // map differently depending on context are always looked up.
23 template <class T, intptr_t size = 256> 23 template <class T, intptr_t size = 256>
24 class Mapping { 24 class Mapping {
25 public: 25 public:
26 inline Mapping() { } 26 inline Mapping() {}
27 inline intptr_t get(int32_t c, int32_t n, int32_t* result); 27 inline intptr_t get(int32_t c, int32_t n, int32_t* result);
28
28 private: 29 private:
29 friend class Test; 30 friend class Test;
30 intptr_t CalculateValue(int32_t c, int32_t n, int32_t* result); 31 intptr_t CalculateValue(int32_t c, int32_t n, int32_t* result);
31 struct CacheEntry { 32 struct CacheEntry {
32 inline CacheEntry() : code_point_(kNoChar), offset_(0) { } 33 inline CacheEntry() : code_point_(kNoChar), offset_(0) {}
33 inline CacheEntry(int32_t code_point, signed offset) 34 inline CacheEntry(int32_t code_point, signed offset)
34 : code_point_(code_point), 35 : code_point_(code_point), offset_(offset) {}
35 offset_(offset) { }
36 int32_t code_point_; 36 int32_t code_point_;
37 signed offset_; 37 signed offset_;
38 static const intptr_t kNoChar = (1 << 21) - 1; 38 static const intptr_t kNoChar = (1 << 21) - 1;
39 }; 39 };
40 static const intptr_t kSize = size; 40 static const intptr_t kSize = size;
41 static const intptr_t kMask = kSize - 1; 41 static const intptr_t kMask = kSize - 1;
42 CacheEntry entries_[kSize]; 42 CacheEntry entries_[kSize];
43 }; 43 };
44 44
45 struct Letter { 45 struct Letter {
(...skipping 17 matching lines...) Expand all
63 static const intptr_t kMaxWidth = 1; 63 static const intptr_t kMaxWidth = 1;
64 static intptr_t Convert(int32_t c, 64 static intptr_t Convert(int32_t c,
65 int32_t n, 65 int32_t n,
66 int32_t* result, 66 int32_t* result,
67 bool* allow_caching_ptr); 67 bool* allow_caching_ptr);
68 }; 68 };
69 69
70 } // namespace unibrow 70 } // namespace unibrow
71 71
72 #endif // RUNTIME_VM_UNIBROW_H_ 72 #endif // RUNTIME_VM_UNIBROW_H_
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