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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);
53 UnknownContext, // FIXME: Remove this once we've flipped over to the new API.
56 explicit ExceptionState(const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
58 , m_context(UnknownContext)
61 , m_creationContext(creationContext)
62 , m_isolate(isolate) { }
64 ExceptionState(Context context, const char* propertyName, const char* interfaceName, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
67 , m_propertyName(propertyName)
68 , m_interfaceName(interfaceName)
69 , m_creationContext(creationContext)
70 , m_isolate(isolate) { }
72 ExceptionState(Context context, const char* interfaceName, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
76 , m_interfaceName(interfaceName)
77 , m_creationContext(creationContext)
78 , m_isolate(isolate) { ASSERT(m_context == ConstructionContext); }
80 virtual void throwDOMException(const ExceptionCode&, const String& message);
81 virtual void throwTypeError(const String& message);
82 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String());
84 // Please don't use these methods. Use ::throwDOMException and ::throwTypeError, and pass in a useful exception message.
85 virtual void throwUninformativeAndGenericDOMException(const ExceptionCode& ec) { throwDOMException(ec, String()); }
87 bool hadException() const { return !m_exception.isEmpty() || m_code; }
88 void clearException();
90 ExceptionCode code() const { return m_code; }
94 if (m_exception.isEmpty()) {
97 throwUninformativeAndGenericDOMException(m_code);
100 V8ThrowException::throwError(m_exception.newLocal(m_isolate), m_isolate);
104 Context context() const { return m_context; }
105 const char* propertyName() const { return m_propertyName; }
106 const char* interfaceName() const { return m_interfaceName; }
108 void rethrowV8Exception(v8::Handle<v8::Value> value)
114 ExceptionCode m_code;
116 const char* m_propertyName;
117 const char* m_interfaceName;
120 void setException(v8::Handle<v8::Value>);
122 String addExceptionContext(const String&) const;
124 ScopedPersistent<v8::Value> m_exception;
125 v8::Handle<v8::Object> m_creationContext;
126 v8::Isolate* m_isolate;
129 // Used if exceptions can/should not be directly thrown.
130 class NonThrowableExceptionState FINAL : public ExceptionState {
132 NonThrowableExceptionState(): ExceptionState(v8::Handle<v8::Object>(), v8::Isolate::GetCurrent()) { }
133 virtual void throwDOMException(const ExceptionCode&, const String& message) OVERRIDE;
134 virtual void throwTypeError(const String& message = String()) OVERRIDE;
135 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE;
138 // Used if any exceptions thrown are ignorable.
139 class TrackExceptionState FINAL : public ExceptionState {
141 TrackExceptionState(): ExceptionState(v8::Handle<v8::Object>(), v8::Isolate::GetCurrent()) { }
142 virtual void throwDOMException(const ExceptionCode&, const String& message) OVERRIDE;
143 virtual void throwTypeError(const String& message = String()) OVERRIDE;
144 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE;
147 } // namespace WebCore
149 #endif // ExceptionState_h