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Side by Side Diff: src/objects.h

Issue 2642353002: objects.h splitting: Move RegExpMatchInfo. (Closed)
Patch Set: Created 3 years, 11 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_OBJECTS_H_ 5 #ifndef V8_OBJECTS_H_
6 #define V8_OBJECTS_H_ 6 #define V8_OBJECTS_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 #include <memory> 9 #include <memory>
10 10
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3045 bool IsFull(); 3045 bool IsFull();
3046 DECLARE_CAST(ArrayList) 3046 DECLARE_CAST(ArrayList)
3047 3047
3048 private: 3048 private:
3049 static Handle<ArrayList> EnsureSpace(Handle<ArrayList> array, int length); 3049 static Handle<ArrayList> EnsureSpace(Handle<ArrayList> array, int length);
3050 static const int kLengthIndex = 0; 3050 static const int kLengthIndex = 0;
3051 static const int kFirstIndex = 1; 3051 static const int kFirstIndex = 1;
3052 DISALLOW_IMPLICIT_CONSTRUCTORS(ArrayList); 3052 DISALLOW_IMPLICIT_CONSTRUCTORS(ArrayList);
3053 }; 3053 };
3054 3054
3055 // The property RegExpMatchInfo includes the matchIndices
3056 // array of the last successful regexp match (an array of start/end index
3057 // pairs for the match and all the captured substrings), the invariant is
3058 // that there are at least two capture indices. The array also contains
3059 // the subject string for the last successful match.
3060 // After creation the result must be treated as a FixedArray in all regards.
3061 class V8_EXPORT_PRIVATE RegExpMatchInfo : NON_EXPORTED_BASE(public FixedArray) {
3062 public:
3063 // Returns the number of captures, which is defined as the length of the
3064 // matchIndices objects of the last match. matchIndices contains two indices
3065 // for each capture (including the match itself), i.e. 2 * #captures + 2.
3066 inline int NumberOfCaptureRegisters();
3067 inline void SetNumberOfCaptureRegisters(int value);
3068
3069 // Returns the subject string of the last match.
3070 inline String* LastSubject();
3071 inline void SetLastSubject(String* value);
3072
3073 // Like LastSubject, but modifiable by the user.
3074 inline Object* LastInput();
3075 inline void SetLastInput(Object* value);
3076
3077 // Returns the i'th capture index, 0 <= i < NumberOfCaptures(). Capture(0) and
3078 // Capture(1) determine the start- and endpoint of the match itself.
3079 inline int Capture(int i);
3080 inline void SetCapture(int i, int value);
3081
3082 // Reserves space for captures.
3083 static Handle<RegExpMatchInfo> ReserveCaptures(
3084 Handle<RegExpMatchInfo> match_info, int capture_count);
3085
3086 DECLARE_CAST(RegExpMatchInfo)
3087
3088 static const int kNumberOfCapturesIndex = 0;
3089 static const int kLastSubjectIndex = 1;
3090 static const int kLastInputIndex = 2;
3091 static const int kFirstCaptureIndex = 3;
3092 static const int kLastMatchOverhead = kFirstCaptureIndex;
3093
3094 static const int kNumberOfCapturesOffset = FixedArray::kHeaderSize;
3095 static const int kLastSubjectOffset = kNumberOfCapturesOffset + kPointerSize;
3096 static const int kLastInputOffset = kLastSubjectOffset + kPointerSize;
3097 static const int kFirstCaptureOffset = kLastInputOffset + kPointerSize;
3098
3099 // Every match info is guaranteed to have enough space to store two captures.
3100 static const int kInitialCaptureIndices = 2;
3101
3102 private:
3103 DISALLOW_IMPLICIT_CONSTRUCTORS(RegExpMatchInfo);
3104 };
3105
3106 #define FRAME_ARRAY_FIELD_LIST(V) \ 3055 #define FRAME_ARRAY_FIELD_LIST(V) \
3107 V(WasmInstance, Object) \ 3056 V(WasmInstance, Object) \
3108 V(WasmFunctionIndex, Smi) \ 3057 V(WasmFunctionIndex, Smi) \
3109 V(Receiver, Object) \ 3058 V(Receiver, Object) \
3110 V(Function, JSFunction) \ 3059 V(Function, JSFunction) \
3111 V(Code, AbstractCode) \ 3060 V(Code, AbstractCode) \
3112 V(Offset, Smi) \ 3061 V(Offset, Smi) \
3113 V(Flags, Smi) 3062 V(Flags, Smi)
3114 3063
3115 // Container object for data collected during simple stack trace captures. 3064 // Container object for data collected during simple stack trace captures.
(...skipping 8534 matching lines...) Expand 10 before | Expand all | Expand 10 after
11650 } 11599 }
11651 }; 11600 };
11652 11601
11653 11602
11654 } // NOLINT, false-positive due to second-order macros. 11603 } // NOLINT, false-positive due to second-order macros.
11655 } // NOLINT, false-positive due to second-order macros. 11604 } // NOLINT, false-positive due to second-order macros.
11656 11605
11657 #include "src/objects/object-macros-undef.h" 11606 #include "src/objects/object-macros-undef.h"
11658 11607
11659 #endif // V8_OBJECTS_H_ 11608 #endif // V8_OBJECTS_H_
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