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31 #ifndef ExceptionState_h
32 #define ExceptionState_h
34 #include "bindings/v8/ScopedPersistent.h"
35 #include "bindings/v8/V8ThrowException.h"
36 #include "wtf/Noncopyable.h"
37 #include "wtf/text/WTFString.h"
42 typedef int ExceptionCode;
44 class ExceptionState {
45 WTF_MAKE_NONCOPYABLE(ExceptionState);
57 IndexedDeletionContext,
58 UnknownContext, // FIXME: Remove this once we've flipped over to the new API.
61 ExceptionState(Context context, const char* propertyName, const char* interfaceName, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
64 , m_propertyName(propertyName)
65 , m_interfaceName(interfaceName)
66 , m_creationContext(creationContext)
67 , m_isolate(isolate) { }
69 ExceptionState(Context context, const char* interfaceName, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
73 , m_interfaceName(interfaceName)
74 , m_creationContext(creationContext)
75 , m_isolate(isolate) { ASSERT(m_context == ConstructionContext || m_context == EnumerationContext || m_context == IndexedSetterContext || m_context == IndexedGetterContext || m_context == IndexedDeletionContext); }
77 virtual void throwDOMException(const ExceptionCode&, const String& message);
78 virtual void throwTypeError(const String& message);
79 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String());
81 bool hadException() const { return !m_exception.isEmpty() || m_code; }
82 void clearException();
84 ExceptionCode code() const { return m_code; }
85 const String& message() const { return m_message; }
95 Context context() const { return m_context; }
96 const char* propertyName() const { return m_propertyName; }
97 const char* interfaceName() const { return m_interfaceName; }
99 void rethrowV8Exception(v8::Handle<v8::Value> value)
105 ExceptionCode m_code;
108 const char* m_propertyName;
109 const char* m_interfaceName;
112 void setException(v8::Handle<v8::Value>);
113 void throwException();
115 String addExceptionContext(const String&) const;
117 ScopedPersistent<v8::Value> m_exception;
118 v8::Handle<v8::Object> m_creationContext;
119 v8::Isolate* m_isolate;
122 // Used if exceptions can/should not be directly thrown.
123 class NonThrowableExceptionState FINAL : public ExceptionState {
125 NonThrowableExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), v8::Isolate::GetCurrent()) { }
126 virtual void throwDOMException(const ExceptionCode&, const String& message) OVERRIDE;
127 virtual void throwTypeError(const String& message = String()) OVERRIDE;
128 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE;
131 // Used if any exceptions thrown are ignorable.
132 class TrackExceptionState FINAL : public ExceptionState {
134 TrackExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), v8::Isolate::GetCurrent()) { }
135 virtual void throwDOMException(const ExceptionCode&, const String& message) OVERRIDE;
136 virtual void throwTypeError(const String& message = String()) OVERRIDE;
137 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE;
140 } // namespace WebCore
142 #endif // ExceptionState_h