Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/common/ExceptionState.h

+/*
+ * Copyright (C) 2014 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ExceptionState_h
+#define ExceptionState_h
+
+#include "bindings/common/ScriptPromise.h"
+#include "core/dom/ExceptionCode.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/text/WTFString.h"
+#include <v8.h>
+
+namespace blink {
+
+typedef int ExceptionCode;
+class ScriptState;
+
+class ExceptionState {
+public:
+    virtual void throwDOMException(const ExceptionCode&, const String& message) = 0;
+    virtual void throwTypeError(const String& message) = 0;
+    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) = 0;
+    virtual void throwRangeError(const String& message) = 0;
+
+    // FIXME: Remove use in SerializedScriptValue.
+    virtual void rethrowV8Exception(v8::Handle<v8::Value> value) = 0;
+
+    virtual void throwException() = 0;
+    virtual void clearException() = 0;
+
+    virtual ScriptPromise reject(ScriptState*) = 0;
+
+    bool throwIfNeeded()
+    {
+        if (hadException()) {
+            throwException();
+            return true;
+        }
+        return false;
+    }
+
+    ExceptionCode code() const { return m_code; }
+    const String& message() const { return m_message; }
+    bool hadException() const { return m_hadException || m_code; }
+
+    virtual bool isV8ExceptionState() const { return false; }
+
+protected:
+    ExceptionState() : m_code(0), m_hadException(false) { }
+    void setMessage(const String& message) { m_message = message; }
+    void setCode(ExceptionCode code) { m_code = code; }
+    void setHadException(bool exception) { m_hadException = exception; }
+
+private:
+    ExceptionCode m_code;
+    String m_message;
+    bool m_hadException;
+};
+
+// Used if exceptions can/should not be directly thrown.
+class NonThrowableExceptionState FINAL : public ExceptionState {
+public:
+    NonThrowableExceptionState() : ExceptionState() { }
+    virtual void throwDOMException(const ExceptionCode& ec, const String& message) OVERRIDE {
+        ASSERT_NOT_REACHED();
+        setCode(ec);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void throwTypeError(const String& message = String()) OVERRIDE {
+        ASSERT_NOT_REACHED();
+        setCode(V8TypeError);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE{
+        ASSERT_NOT_REACHED();
+        setCode(SecurityError);
+        setMessage(sanitizedMessage);
+        setHadException(true);
+    }
+    virtual void throwRangeError(const String& message = String()) OVERRIDE {
+        ASSERT_NOT_REACHED();
+        setCode(V8RangeError);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void rethrowV8Exception(v8::Handle<v8::Value> value) OVERRIDE {
+        ASSERT_NOT_REACHED();
+        setHadException(true);
+    }
+    virtual void throwException() OVERRIDE FINAL {
+        ASSERT_NOT_REACHED();
+    }
+    virtual void clearException() OVERRIDE FINAL {
+        ASSERT_NOT_REACHED();
+        setCode(0);
+        setHadException(false);
+    }
+    virtual ScriptPromise reject(ScriptState* state) OVERRIDE FINAL {
+        ASSERT_NOT_REACHED();
+        return ScriptPromise::empty(state);
+    }
+};
+
+// Used if any exceptions thrown are ignorable.
+class TrackExceptionState FINAL : public ExceptionState {
+public:
+    TrackExceptionState() : ExceptionState() { }
+    virtual void throwDOMException(const ExceptionCode& ec, const String& message) OVERRIDE {
+        setCode(ec);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void throwTypeError(const String& message = String()) OVERRIDE {
+        setCode(V8TypeError);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE {
+        setCode(SecurityError);
+        setMessage(sanitizedMessage);
+        setHadException(true);
+    }
+    virtual void throwRangeError(const String& message = String()) OVERRIDE {
+        setCode(V8RangeError);
+        setMessage(message);
+        setHadException(true);
+    }
+    virtual void rethrowV8Exception(v8::Handle<v8::Value> value) OVERRIDE {
+        setHadException(true);
+    }
+    virtual void throwException() OVERRIDE FINAL {
+        ASSERT_NOT_REACHED();
+    }
+    virtual void clearException() OVERRIDE FINAL {
+        setCode(0);
+        setHadException(false);
+    }
+    virtual ScriptPromise reject(ScriptState* state) OVERRIDE FINAL {
+        ASSERT_NOT_REACHED();
+        return ScriptPromise::empty(state);
+    }
+};
+
+} // namespace blink
+
+#endif // ExceptionState_h