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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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37 #include "wtf/text/WTFString.h" | 37 #include "wtf/text/WTFString.h" |
38 #include <v8.h> | 38 #include <v8.h> |
39 | 39 |
40 namespace WebCore { | 40 namespace WebCore { |
41 | 41 |
42 typedef int ExceptionCode; | 42 typedef int ExceptionCode; |
43 | 43 |
44 class ExceptionState { | 44 class ExceptionState { |
45 WTF_MAKE_NONCOPYABLE(ExceptionState); | 45 WTF_MAKE_NONCOPYABLE(ExceptionState); |
46 public: | 46 public: |
| 47 enum Context { |
| 48 ConstructionContext, |
| 49 ExecutionContext, |
| 50 DeletionContext, |
| 51 GetterContext, |
| 52 SetterContext, |
| 53 UnknownContext, // FIXME: Remove this once we've flipped over to the new
API. |
| 54 }; |
| 55 |
47 explicit ExceptionState(const v8::Handle<v8::Object>& creationContext, v8::I
solate* isolate) | 56 explicit ExceptionState(const v8::Handle<v8::Object>& creationContext, v8::I
solate* isolate) |
48 : m_code(0) | 57 : m_code(0) |
| 58 , m_context(UnknownContext) |
| 59 , m_propertyName(0) |
| 60 , m_interfaceName(0) |
49 , m_creationContext(creationContext) | 61 , m_creationContext(creationContext) |
50 , m_isolate(isolate) { } | 62 , m_isolate(isolate) { } |
51 | 63 |
| 64 ExceptionState(Context context, const char* propertyName, const char* interf
aceName, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate) |
| 65 : m_code(0) |
| 66 , m_context(context) |
| 67 , m_propertyName(propertyName) |
| 68 , m_interfaceName(interfaceName) |
| 69 , m_creationContext(creationContext) |
| 70 , m_isolate(isolate) { } |
| 71 |
| 72 ExceptionState(Context context, const char* interfaceName, const v8::Handle<
v8::Object>& creationContext, v8::Isolate* isolate) |
| 73 : m_code(0) |
| 74 , m_context(context) |
| 75 , m_propertyName(0) |
| 76 , m_interfaceName(interfaceName) |
| 77 , m_creationContext(creationContext) |
| 78 , m_isolate(isolate) { ASSERT(m_context == ConstructionContext); } |
| 79 |
52 virtual void throwDOMException(const ExceptionCode&, const String& message); | 80 virtual void throwDOMException(const ExceptionCode&, const String& message); |
53 virtual void throwTypeError(const String& message); | 81 virtual void throwTypeError(const String& message); |
54 virtual void throwSecurityError(const String& sanitizedMessage, const String
& unsanitizedMessage = String()); | 82 virtual void throwSecurityError(const String& sanitizedMessage, const String
& unsanitizedMessage = String()); |
55 | 83 |
56 // Please don't use these methods. Use ::throwDOMException and ::throwTypeEr
ror, and pass in a useful exception message. | 84 // Please don't use these methods. Use ::throwDOMException and ::throwTypeEr
ror, and pass in a useful exception message. |
57 virtual void throwUninformativeAndGenericDOMException(const ExceptionCode& e
c) { throwDOMException(ec, String()); } | 85 virtual void throwUninformativeAndGenericDOMException(const ExceptionCode& e
c) { throwDOMException(ec, String()); } |
58 virtual void throwUninformativeAndGenericTypeError() { throwTypeError(String
()); } | 86 virtual void throwUninformativeAndGenericTypeError() { throwTypeError(String
()); } |
59 | 87 |
60 bool hadException() const { return !m_exception.isEmpty() || m_code; } | 88 bool hadException() const { return !m_exception.isEmpty() || m_code; } |
61 void clearException(); | 89 void clearException(); |
62 | 90 |
63 ExceptionCode code() { return m_code; } | 91 ExceptionCode code() { return m_code; } |
64 | 92 |
65 bool throwIfNeeded() | 93 bool throwIfNeeded() |
66 { | 94 { |
67 if (m_exception.isEmpty()) { | 95 if (m_exception.isEmpty()) { |
68 if (!m_code) | 96 if (!m_code) |
69 return false; | 97 return false; |
70 throwUninformativeAndGenericDOMException(m_code); | 98 throwUninformativeAndGenericDOMException(m_code); |
71 } | 99 } |
72 | 100 |
73 V8ThrowException::throwError(m_exception.newLocal(m_isolate), m_isolate)
; | 101 V8ThrowException::throwError(m_exception.newLocal(m_isolate), m_isolate)
; |
74 return true; | 102 return true; |
75 } | 103 } |
76 | 104 |
| 105 Context context() { return m_context; } |
| 106 const char* propertyName() { return m_propertyName; } |
| 107 const char* interfaceName() { return m_interfaceName; } |
| 108 |
77 protected: | 109 protected: |
78 ExceptionCode m_code; | 110 ExceptionCode m_code; |
| 111 Context m_context; |
| 112 const char* m_propertyName; |
| 113 const char* m_interfaceName; |
79 | 114 |
80 private: | 115 private: |
81 void setException(v8::Handle<v8::Value>); | 116 void setException(v8::Handle<v8::Value>); |
82 | 117 |
83 ScopedPersistent<v8::Value> m_exception; | 118 ScopedPersistent<v8::Value> m_exception; |
84 v8::Handle<v8::Object> m_creationContext; | 119 v8::Handle<v8::Object> m_creationContext; |
85 v8::Isolate* m_isolate; | 120 v8::Isolate* m_isolate; |
86 }; | 121 }; |
87 | 122 |
88 class TrackExceptionState : public ExceptionState { | 123 class TrackExceptionState : public ExceptionState { |
89 public: | 124 public: |
90 TrackExceptionState(): ExceptionState(v8::Handle<v8::Object>(), 0) { } | 125 TrackExceptionState(): ExceptionState(v8::Handle<v8::Object>(), 0) { } |
91 virtual void throwDOMException(const ExceptionCode&, const String& message)
OVERRIDE FINAL; | 126 virtual void throwDOMException(const ExceptionCode&, const String& message)
OVERRIDE FINAL; |
92 virtual void throwTypeError(const String& message = String()) OVERRIDE FINAL
; | 127 virtual void throwTypeError(const String& message = String()) OVERRIDE FINAL
; |
93 virtual void throwSecurityError(const String& sanitizedMessage, const String
& unsanitizedMessage = String()) OVERRIDE FINAL; | 128 virtual void throwSecurityError(const String& sanitizedMessage, const String
& unsanitizedMessage = String()) OVERRIDE FINAL; |
94 }; | 129 }; |
95 | 130 |
96 } // namespace WebCore | 131 } // namespace WebCore |
97 | 132 |
98 #endif // ExceptionState_h | 133 #endif // ExceptionState_h |
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