Use UNLIKELY() macro in generated bindings for minimum argument count checks

Source/bindings/tests/results/V8TestTypedefs.cpp

 /*
     This file is part of the Blink open source project.
     This file has been auto-generated by CodeGeneratorV8.pm. DO NOT MODIFY!
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 258 matching lines @@
 }
 
 static void TestTypedefsReplaceableAttributeSetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
 {
     TestTypedefsV8Internal::TestTypedefsReplaceableAttributeSetter(name, value, info);
 }
 
 static void funcMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
-    if (args.Length() <= 0) {
+    if (UNLIKELY(args.Length() <= 0)) {
         imp->func();
 
         return;
     }
     V8TRYCATCH_VOID(Vector<int>, x, toNativeArray<int>(args[0], args.GetIsolate()));
     imp->func(x);
 
     return;
 }
 
 static void funcMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::funcMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void setShadowMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 3) {
+    if (UNLIKELY(args.Length() < 3)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     V8TRYCATCH_VOID(float, width, static_cast<float>(args[0]->NumberValue()));
     V8TRYCATCH_VOID(float, height, static_cast<float>(args[1]->NumberValue()));
     V8TRYCATCH_VOID(float, blur, static_cast<float>(args[2]->NumberValue()));
-    if (args.Length() <= 3) {
+    if (UNLIKELY(args.Length() <= 3)) {
         imp->setShadow(width, height, blur);
 
         return;
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, color, args[3]);
-    if (args.Length() <= 4) {
+    if (UNLIKELY(args.Length() <= 4)) {
         imp->setShadow(width, height, blur, color);
 
         return;
     }
     V8TRYCATCH_VOID(float, alpha, static_cast<float>(args[4]->NumberValue()));
     imp->setShadow(width, height, blur, color, alpha);
 
     return;
 }
 
 static void setShadowMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::setShadowMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void methodWithSequenceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     V8TRYCATCH_VOID(Vector<RefPtr<SerializedScriptValue> >, sequenceArg, (toRefPtrNativeArray<SerializedScriptValue, V8SerializedScriptValue>(args[0], args.GetIsolate())));
     v8SetReturnValue(args, static_cast<double>(imp->methodWithSequenceArg(sequenceArg)));
     return;
 }
 
 static void methodWithSequenceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::methodWithSequenceArgMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void nullableArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     V8TRYCATCH_VOID(Vector<String>, arrayArg, toNativeArray<String>(args[0], args.GetIsolate()));
     imp->nullableArrayArg(arrayArg);
 
     return;
 }
 
 static void nullableArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::nullableArrayArgMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void funcWithClampMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     unsigned long long arg1 = 0;
     V8TRYCATCH_VOID(double, arg1NativeValue, args[0]->NumberValue());
     if (!std::isnan(arg1NativeValue))
         arg1 = clampTo<unsigned long long>(arg1NativeValue);
-    if (args.Length() <= 1) {
+    if (UNLIKELY(args.Length() <= 1)) {
         imp->funcWithClamp(arg1);
 
         return;
     }
     unsigned long long arg2 = 0;
     V8TRYCATCH_VOID(double, arg2NativeValue, args[1]->NumberValue());
     if (!std::isnan(arg2NativeValue))
         arg2 = clampTo<unsigned long long>(arg2NativeValue);
     imp->funcWithClamp(arg1, arg2);
 
@@ skipping 16 matching lines @@
 
 static void immutablePointFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::immutablePointFunctionMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void stringArrayFunctionMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     ExceptionState es(args.GetIsolate());
     V8TRYCATCH_VOID(Vector<String>, values, toNativeArray<String>(args[0], args.GetIsolate()));
     Vector<String> result = imp->stringArrayFunction(values, es);
     if (es.throwIfNeeded())
         return;
     v8SetReturnValue(args, v8Array(result, args.GetIsolate()));
     return;
 }
 
 static void stringArrayFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::stringArrayFunctionMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void stringArrayFunction2Method(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestTypedefs* imp = V8TestTypedefs::toNative(args.Holder());
     ExceptionState es(args.GetIsolate());
     V8TRYCATCH_VOID(Vector<String>, values, toNativeArray<String>(args[0], args.GetIsolate()));
     Vector<String> result = imp->stringArrayFunction2(values, es);
     if (es.throwIfNeeded())
         return;
     v8SetReturnValue(args, v8Array(result, args.GetIsolate()));
@@ skipping 20 matching lines @@
 
 static void methodWithExceptionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::methodWithExceptionMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 2) {
+    if (UNLIKELY(args.Length() < 2)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, hello, args[0]);
     if (args.Length() <= 1 || !args[1]->IsFunction()) {
         throwTypeError(args.GetIsolate());
         return;
     }
     RefPtr<TestCallback> testCallback = V8TestCallback::create(args[1], getScriptExecutionContext());
 
@@ skipping 111 matching lines @@
     V8DOMWrapper::associateObjectWithWrapper<V8TestTypedefs>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 
 void V8TestTypedefs::derefObject(void* object)
 {
     fromInternalPointer(object)->deref();
 }
 
 } // namespace WebCore