Add toDouble() helper, and use toFloat()/toDouble() for conversions

Source/bindings/tests/results/core/V8TestObject.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestObject.h"
 
 #include "bindings/core/v8/BindingSecurity.h"
@@ skipping 364 matching lines @@
 static void doubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::doubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "doubleAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
-    TONATIVE_VOID(double, cppValue, static_cast<double>(v8Value->NumberValue()));
+    TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toDouble(v8Value, exceptionState), exceptionState);
     impl->setDoubleAttribute(cppValue);
 }
 
 static void doubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::doubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->floatAttribute());
 }
 
 static void floatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::floatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "floatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
-    TONATIVE_VOID(float, cppValue, static_cast<float>(v8Value->NumberValue()));
+    TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setFloatAttribute(cppValue);
 }
 
 static void floatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::floatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 127 matching lines @@
 static void unrestrictedDoubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unrestrictedDoubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedDoubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedDoubleAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
-    TONATIVE_VOID(double, cppValue, static_cast<double>(v8Value->NumberValue()));
+    TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toDouble(v8Value, exceptionState), exceptionState);
     impl->setUnrestrictedDoubleAttribute(cppValue);
 }
 
 static void unrestrictedDoubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unrestrictedDoubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedFloatAttribute());
 }
 
 static void unrestrictedFloatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unrestrictedFloatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedFloatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
-    TONATIVE_VOID(float, cppValue, static_cast<float>(v8Value->NumberValue()));
+    TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setUnrestrictedFloatAttribute(cppValue);
 }
 
 static void unrestrictedFloatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unrestrictedFloatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 3790 matching lines @@
 static void typeCheckingInterfaceFloatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::typeCheckingInterfaceFloatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "typeCheckingInterfaceFloatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
-    TONATIVE_VOID(float, cppValue, static_cast<float>(v8Value->NumberValue()));
+    TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setTypeCheckingInterfaceFloatAttribute(cppValue);
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::typeCheckingInterfaceFloatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 906 matching lines @@
 
 static void voidMethodByteArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::voidMethodByteArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidMethodDoubleArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDoubleArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("voidMethodDoubleArg", "TestObject", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
+        setMinimumArityTypeError(exceptionState, 1, info.Length());
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     double doubleArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
-        TONATIVE_VOID_INTERNAL(doubleArg, static_cast<double>(info[0]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toDouble(info[0], exceptionState), exceptionState);
     }
     impl->voidMethodDoubleArg(doubleArg);
 }
 
 static void voidMethodDoubleArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDoubleArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidMethodFloatArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodFloatArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("voidMethodFloatArg", "TestObject", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
+        setMinimumArityTypeError(exceptionState, 1, info.Length());
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     float floatArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
-        TONATIVE_VOID_INTERNAL(floatArg, static_cast<float>(info[0]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(floatArg, toFloat(info[0], exceptionState), exceptionState);
     }
     impl->voidMethodFloatArg(floatArg);
 }
 
 static void voidMethodFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::voidMethodFloatArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 1895 matching lines @@
 
 static void voidMethodDefaultIntegerArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDefaultIntegerArgsMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidMethodDefaultDoubleArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDefaultDoubleArg", "TestObject", info.Holder(), info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     double defaultDoubleArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
         if (!info[0]->IsUndefined()) {
-            TONATIVE_VOID_INTERNAL(defaultDoubleArg, static_cast<double>(info[0]->NumberValue()));
+            TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(defaultDoubleArg, toDouble(info[0], exceptionState), exceptionState);
         } else {
             defaultDoubleArg = 0.5;
         }
     }
     impl->voidMethodDefaultDoubleArg(defaultDoubleArg);
 }
 
 static void voidMethodDefaultDoubleArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
@@ skipping 553 matching lines @@
             impl->overloadedMethodF();
             return;
         }
         TOSTRING_VOID_INTERNAL(stringArg, info[0]);
     }
     impl->overloadedMethodF(stringArg);
 }
 
 static void overloadedMethodF2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodF", "TestObject", info.Holder(), info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     double doubleArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
-        TONATIVE_VOID_INTERNAL(doubleArg, static_cast<double>(info[0]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toDouble(info[0], exceptionState), exceptionState);
     }
     impl->overloadedMethodF(doubleArg);
 }
 
 static void overloadedMethodFMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodF", "TestObject", info.Holder(), info.GetIsolate());
     switch (std::min(1, info.Length())) {
     case 0:
         if (true) {
@@ skipping 165 matching lines @@
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     V8StringResource<> stringArg;
     {
         TOSTRING_VOID_INTERNAL(stringArg, info[0]);
     }
     impl->overloadedMethodI(stringArg);
 }
 
 static void overloadedMethodI2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodI", "TestObject", info.Holder(), info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     double doubleArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
-        TONATIVE_VOID_INTERNAL(doubleArg, static_cast<double>(info[0]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toDouble(info[0], exceptionState), exceptionState);
     }
     impl->overloadedMethodI(doubleArg);
 }
 
 static void overloadedMethodIMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodI", "TestObject", info.Holder(), info.GetIsolate());
     switch (std::min(1, info.Length())) {
     case 1:
         if (info[0]->IsNumber()) {
@@ skipping 1700 matching lines @@
 
 static void typeCheckingInterfaceVoidMethodTestInterfaceEmptyVariadicArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::typeCheckingInterfaceVoidMethodTestInterfaceEmptyVariadicArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingUnrestrictedVoidMethodFloatArgDoubleArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", "TestObject", 2, info.Length(), info.GetIsolate()), info.GetIsolate());
+        setMinimumArityTypeError(exceptionState, 2, info.Length());
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     float floatArg;
     double doubleArg;
     {
-        v8::TryCatch block;
-        V8RethrowTryCatchScope rethrow(block);
-        TONATIVE_VOID_INTERNAL(floatArg, static_cast<float>(info[0]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(floatArg, toFloat(info[0], exceptionState), exceptionState);
         if (!std::isfinite(floatArg)) {
-            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", "TestObject", "float parameter 1 is non-finite."), info.GetIsolate());
+            exceptionState.throwTypeError("float parameter 1 is non-finite.");
+            exceptionState.throwIfNeeded();
             return;
         }
-        TONATIVE_VOID_INTERNAL(doubleArg, static_cast<double>(info[1]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toDouble(info[1], exceptionState), exceptionState);
         if (!std::isfinite(doubleArg)) {
-            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", "TestObject", "double parameter 2 is non-finite."), info.GetIsolate());
+            exceptionState.throwTypeError("double parameter 2 is non-finite.");
+            exceptionState.throwIfNeeded();
             return;
         }
     }
     impl->typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg(floatArg, doubleArg);
 }
 
 static void typeCheckingUnrestrictedVoidMethodFloatArgDoubleArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::typeCheckingUnrestrictedVoidMethodFloatArgDoubleArgMethod(info);
@@ skipping 223 matching lines @@
     Node* node;
     int value1;
     double value2;
     V8StringResource<> string;
     {
         v8::TryCatch block;
         V8RethrowTryCatchScope rethrow(block);
         TONATIVE_VOID_INTERNAL(document, V8Document::toImplWithTypeCheck(info.GetIsolate(), info[0]));
         TONATIVE_VOID_INTERNAL(node, V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]));
         TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(value1, toInt16(info[2], exceptionState), exceptionState);
-        TONATIVE_VOID_INTERNAL(value2, static_cast<double>(info[3]->NumberValue()));
+        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(value2, toDouble(info[3], exceptionState), exceptionState);
         TOSTRING_VOID_INTERNAL(string, info[4]);
     }
     RefPtrWillBeRawPtr<Node> result = nullptr;
     if (!V8TestObject::PrivateScript::nodeMethodWithVariousArgumentsImplementedInPrivateScriptMethod(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, document, node, value1, value2, string, &result))
         return;
     v8SetReturnValue(info, result.release());
 }
 
 static void nodeMethodWithVariousArgumentsImplementedInPrivateScriptMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 1144 matching lines @@
     PrivateScriptRunner::runDOMAttributeSetter(scriptState, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
     if (block.HasCaught()) {
         PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block);
         block.ReThrow();
         return false;
     }
     return true;
 }
 
 } // namespace blink