Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/reflectionUtils.hpp
src/share/vm/runtime/reflectionUtils.hpp
- changeset 5848
- ac9cb1d5a202
- parent 5732
- b2e698d2276c
- child 6876
- 710a3c8b516e
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| 5847:cc4f5f8d885e | 5848:ac9cb1d5a202 |
|---|---|
| 36 | 36 |
| 37 // A KlassStream is an abstract stream for streaming over self, superclasses | 37 // A KlassStream is an abstract stream for streaming over self, superclasses |
| 38 // and (super)interfaces. Streaming is done in reverse order (subclasses first, | 38 // and (super)interfaces. Streaming is done in reverse order (subclasses first, |
| 39 // interfaces last). | 39 // interfaces last). |
| 40 // | 40 // |
| 41 // for (KlassStream st(k, false, false); !st.eos(); st.next()) { | 41 // for (KlassStream st(k, false, false, false); !st.eos(); st.next()) { |
| 42 // Klass* k = st.klass(); | 42 // Klass* k = st.klass(); |
| 43 // ... | 43 // ... |
| 44 // } | 44 // } |
| 45 | 45 |
| 46 class KlassStream VALUE_OBJ_CLASS_SPEC { | 46 class KlassStream VALUE_OBJ_CLASS_SPEC { |
| 47 protected: | 47 protected: |
| 48 instanceKlassHandle _klass; // current klass/interface iterated over | 48 instanceKlassHandle _klass; // current klass/interface iterated over |
| 49 Array<Klass*>* _interfaces; // transitive interfaces for initial class | 49 instanceKlassHandle _base_klass; // initial klass/interface to iterate over |
| 50 Array<Klass*>* _interfaces; // transitive interfaces for initial class | |
| 50 int _interface_index; // current interface being processed | 51 int _interface_index; // current interface being processed |
| 51 bool _local_only; // process initial class/interface only | 52 bool _local_only; // process initial class/interface only |
| 52 bool _classes_only; // process classes only (no interfaces) | 53 bool _classes_only; // process classes only (no interfaces) |
| 54 bool _walk_defaults; // process default methods | |
| 55 bool _base_class_search_defaults; // time to process default methods | |
| 56 bool _defaults_checked; // already checked for default methods | |
| 53 int _index; | 57 int _index; |
| 54 | 58 |
| 55 virtual int length() const = 0; | 59 virtual int length() = 0; |
| 56 | 60 |
| 57 public: | 61 public: |
| 58 // constructor | 62 // constructor |
| 59 KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only); | 63 KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only, bool walk_defaults); |
| 60 | 64 |
| 61 // testing | 65 // testing |
| 62 bool eos(); | 66 bool eos(); |
| 63 | 67 |
| 64 // iterating | 68 // iterating |
| 65 virtual void next() = 0; | 69 virtual void next() = 0; |
| 66 | 70 |
| 67 // accessors | 71 // accessors |
| 68 instanceKlassHandle klass() const { return _klass; } | 72 instanceKlassHandle klass() const { return _klass; } |
| 69 int index() const { return _index; } | 73 int index() const { return _index; } |
| 74 bool base_class_search_defaults() const { return _base_class_search_defaults; } | |
| 75 void base_class_search_defaults(bool b) { _base_class_search_defaults = b; } | |
| 70 }; | 76 }; |
| 71 | 77 |
| 72 | 78 |
| 73 // A MethodStream streams over all methods in a class, superclasses and (super)interfaces. | 79 // A MethodStream streams over all methods in a class, superclasses and (super)interfaces. |
| 74 // Streaming is done in reverse order (subclasses first, methods in reverse order) | 80 // Streaming is done in reverse order (subclasses first, methods in reverse order) |
| 79 // ... | 85 // ... |
| 80 // } | 86 // } |
| 81 | 87 |
| 82 class MethodStream : public KlassStream { | 88 class MethodStream : public KlassStream { |
| 83 private: | 89 private: |
| 84 int length() const { return methods()->length(); } | 90 int length() { return methods()->length(); } |
| 85 Array<Method*>* methods() const { return _klass->methods(); } | 91 Array<Method*>* methods() { |
| 92 if (base_class_search_defaults()) { | |
| 93 base_class_search_defaults(false); | |
| 94 return _klass->default_methods(); | |
| 95 } else { | |
| 96 return _klass->methods(); | |
| 97 } | |
| 98 } | |
| 86 public: | 99 public: |
| 87 MethodStream(instanceKlassHandle klass, bool local_only, bool classes_only) | 100 MethodStream(instanceKlassHandle klass, bool local_only, bool classes_only) |
| 88 : KlassStream(klass, local_only, classes_only) { | 101 : KlassStream(klass, local_only, classes_only, true) { |
| 89 _index = length(); | 102 _index = length(); |
| 90 next(); | 103 next(); |
| 91 } | 104 } |
| 92 | 105 |
| 93 void next() { _index--; } | 106 void next() { _index--; } |
| 94 Method* method() const { return methods()->at(index()); } | 107 Method* method() { return methods()->at(index()); } |
| 95 }; | 108 }; |
| 96 | 109 |
| 97 | 110 |
| 98 // A FieldStream streams over all fields in a class, superclasses and (super)interfaces. | 111 // A FieldStream streams over all fields in a class, superclasses and (super)interfaces. |
| 99 // Streaming is done in reverse order (subclasses first, fields in reverse order) | 112 // Streaming is done in reverse order (subclasses first, fields in reverse order) |
| 105 // } | 118 // } |
| 106 | 119 |
| 107 | 120 |
| 108 class FieldStream : public KlassStream { | 121 class FieldStream : public KlassStream { |
| 109 private: | 122 private: |
| 110 int length() const { return _klass->java_fields_count(); } | 123 int length() { return _klass->java_fields_count(); } |
| 111 | 124 |
| 112 fieldDescriptor _fd_buf; | 125 fieldDescriptor _fd_buf; |
| 113 | 126 |
| 114 public: | 127 public: |
| 115 FieldStream(instanceKlassHandle klass, bool local_only, bool classes_only) | 128 FieldStream(instanceKlassHandle klass, bool local_only, bool classes_only) |
| 116 : KlassStream(klass, local_only, classes_only) { | 129 : KlassStream(klass, local_only, classes_only, false) { |
| 117 _index = length(); | 130 _index = length(); |
| 118 next(); | 131 next(); |
| 119 } | 132 } |
| 120 | 133 |
| 121 void next() { _index -= 1; } | 134 void next() { _index -= 1; } |
