public override void EmitPublicPostCallStatements(CodeBuilder b, string var)
{
b.BeginIf("{0}_str != {0}_pinned.Obj.PinnedPtr", var);
b.BeginIf("{0}_length > 0", var);
b.AppendLine("{0} = System.Runtime.InteropServices.Marshal.PtrToStringUni({0}_str, {0}_length);", var);
b.AppendLine("// free the native string?", var);
b.BeginElse();
b.AppendLine("{0} = null;", var);
b.EndBlock();
b.EndBlock();
b.AppendLine("{0}_pinned.Obj.Free();", var);
}
public override void EmitRemoteEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("m_{0}_managed == null", var);
b.AppendLine("var {0} = new RemotePtr[(ulong)call.{1}];", var, CountArg.VarName);
b.AppendLine("m_{0}_managed = new {1}[{0}.Length];", var, Struct.RemoteClassName);
b.BeginIf("{0}.Length > 0", var);
b.AppendLine("CfrRuntime.Marshal.Copy(new RemotePtr(connection, call.{0}), {0}, 0, {0}.Length);", var);
b.BeginBlock("for(int i = 0; i < {0}.Length; ++i)", var);
b.AppendLine("m_{0}_managed[i] = {1}.Wrap({0}[i]);", var, Struct.RemoteClassName);
b.EndBlock();
b.EndBlock();
b.EndBlock();
b.AppendLine("return m_{0}_managed;", var);
}
public override void EmitPostNativeCallbackStatements(CodeBuilder b, string var)
{
b.BeginIf("{0}_tmp_length > 0", var);
b.AppendLine("cef_string_set({0}_tmp_str, {0}_tmp_length, {0}, 1);", var);
b.AppendLine("cfx_gc_handle_switch(&{0}_gc_handle, GC_HANDLE_FREE);", var);
b.EndBlock();
}
public override void EmitPublicEventCtorStatements(CodeBuilder b, string var)
{
b.AppendLine("m_{0} = new IntPtr[{1}];", var, CountArg.VarName);
b.BeginIf("{0} > 0", CountArg.VarName);
b.AppendLine("System.Runtime.InteropServices.Marshal.Copy({0}, m_{0}, 0, {1});", var, CountArg.VarName);
b.EndBlock();
}
public override void EmitNativeCallbackReturnStatements(CodeBuilder b, string var)
{
b.BeginIf("__retval");
b.AppendLine("((cef_base_t*)__retval)->add_ref((cef_base_t*)__retval);");
b.EndBlock();
base.EmitNativeCallbackReturnStatements(b, var);
}
public override void EmitPublicEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("!m_{0}_changed && m_{0}_wrapped == null", var);
b.AppendLine("m_{0}_wrapped = StringFunctions.PtrToStringUni(m_{0}_str, m_{0}_length);", var);
b.EndBlock();
b.AppendLine("return m_{0}_wrapped;", var);
}
public override void EmitPublicEventFieldInitializers(CodeBuilder b, string var)
{
b.AppendLine("e.m_{0} = new IntPtr[(ulong){1}];", var, CountArg.VarName);
b.BeginIf("e.m_{0}.Length > 0", var);
b.AppendLine("System.Runtime.InteropServices.Marshal.Copy({0}, e.m_{0}, 0, (int){1});", var, CountArg.VarName);
b.EndBlock();
}
private void EmitPublicEvent(CodeBuilder b, int cbIndex, CefCallbackFunction cb)
{
var isSimpleGetterEvent = cb.Signature.ManagedParameters.Length == 1 &&
cb.Signature.ReturnType.IsCefStructPtrType;
b.AppendSummaryAndRemarks(cb.Comments, false, true);
b.BeginBlock("public event {0} {1}", cb.EventHandlerName, CSharp.Escape(cb.PublicName));
b.BeginBlock("add");
b.BeginBlock("lock(eventLock)");
if (isSimpleGetterEvent)
{
b.BeginBlock("if(m_{0} != null)", cb.PublicName);
b.AppendLine("throw new CfxException(\"Can't add more than one event handler to this type of event.\");");
b.EndBlock();
}
else
{
b.BeginBlock("if(m_{0} == null)", cb.PublicName);
}
b.AppendLine("CfxApi.{3}.{0}_set_callback(NativePtr, {1}, {2}_native_ptr);", CefStruct.CfxName, cbIndex, cb.Name, CefStruct.ClassName.Substring(3));
if (!isSimpleGetterEvent)
{
b.EndBlock();
}
b.AppendLine("m_{0} += value;", cb.PublicName);
b.EndBlock();
b.EndBlock();
b.BeginBlock("remove");
b.BeginBlock("lock(eventLock)");
b.AppendLine("m_{0} -= value;", cb.PublicName);
b.BeginBlock("if(m_{0} == null)", cb.PublicName);
b.AppendLine("CfxApi.{2}.{0}_set_callback(NativePtr, {1}, IntPtr.Zero);", CefStruct.CfxName, cbIndex, CefStruct.ClassName.Substring(3));
b.EndBlock();
b.EndBlock();
b.EndBlock();
b.EndBlock();
b.AppendLine();
if (isSimpleGetterEvent)
{
b.AppendLine("/// <summary>");
b.AppendLine("/// Retrieves the {0} provided by the event handler attached to the {1} event, if any.", cb.Signature.ReturnType.PublicSymbol, CSharp.Escape(cb.PublicName));
b.AppendLine("/// Returns null if no event handler is attached.");
b.AppendLine("/// </summary>");
b.BeginBlock("public {0} Retrieve{1}()", cb.Signature.ReturnType.PublicSymbol, cb.Signature.ReturnType.PublicSymbol.Substring(3));
b.AppendLine("var h = m_{0};", cb.PublicName);
b.BeginIf("h != null");
b.AppendLine("var e = new {0}();", cb.PublicEventArgsClassName);
b.AppendLine("h(this, e);");
b.AppendLine("return e.m_returnValue;");
b.BeginElse();
b.AppendLine("return null;");
b.EndBlock();
b.EndBlock();
b.AppendLine();
}
b.AppendLine("private {0} m_{1};", cb.EventHandlerName, cb.PublicName);
}
public override void EmitPostPublicRaiseEventStatements(CodeBuilder b, string var)
{
b.BeginIf("e.m_{0}_changed", var);
b.AppendLine("var {0}_pinned = new PinnedString(e.m_{0}_wrapped);", var);
b.AppendLine("{0}_str = {0}_pinned.Obj.PinnedPtr;", var);
b.AppendLine("{0}_length = {0}_pinned.Length;", var);
b.EndBlock();
}
public override void EmitPreNativeCallStatements(CodeBuilder b, string var)
{
b.BeginIf("{0}", CountArg.VarName);
b.BeginBlock("for(size_t i = 0; i < {0}; ++i)", CountArg.VarName);
b.AppendLine("if({0}[i]) ((cef_base_t*){0}[i])->add_ref((cef_base_t*){0}[i]);", StructArg.VarName);
b.EndBlock();
b.EndBlock();
}
public override void EmitNativeCallbackReturnStatements(CodeBuilder b)
{
Debug.Assert(Struct.IsRefCounted);
b.BeginIf("__retval");
b.AppendLine("((cef_base_ref_counted_t*)__retval)->add_ref((cef_base_ref_counted_t*)__retval);");
b.EndBlock();
base.EmitNativeCallbackReturnStatements(b);
}
public override void EmitRemoteEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("!m_{0}_changed && m_{0}_wrapped == null", var);
b.AppendLine("m_{0} = call.{0}_str == IntPtr.Zero ? null : (call.{0}_length == 0 ? String.Empty : CfrRuntime.Marshal.PtrToStringUni(new RemotePtr(connection, call.{0}_str), call.{0}_length));", var);
b.AppendLine("m_{0}_changed = true;", var);
b.EndBlock();
b.AppendLine("return m_{0}_wrapped;", var);
}
public override void EmitPostRemoteRaiseEventStatements(CodeBuilder b, string var)
{
b.BeginIf("e.m_{0}_managed != null", var);
b.BeginFor("e.m_{0}_managed.Length", var);
b.AppendLine("e.m_{0}_managed[i].Dispose();", var);
b.EndBlock();
b.EndBlock();
}
public override void EmitPostPublicRaiseEventStatements(CodeBuilder b, string var)
{
b.BeginIf("e.m_{0}_managed == null", var);
b.BeginBlock("for(int i = 0; i < {1}; ++i)", var, CountArg.VarName);
b.AppendLine("CfxApi.cfx_release(e.m_{0}[i]);", var);
b.EndBlock();
b.EndBlock();
}
public override void EmitPreRemoteCallStatements(CodeBuilder b, string var)
{
b.BeginIf("{0} != null", var);
b.AppendLine("call.{0} = new IntPtr[{0}.Length];", var);
b.BeginBlock("for(int i = 0; i < {0}.Length; ++i)", var);
b.AppendLine("call.{0}[i] = {1};", var, StructPtr.RemoteUnwrapExpression(var + "[i]"));
b.EndBlock();
b.EndBlock();
}
public override void EmitPublicEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("m_{0}_managed == null", var);
b.AppendLine("m_{0}_managed = new {1}[m_{2}];", var, Struct.ClassName, CountArg.VarName);
b.BeginFor("m_" + CountArg.VarName);
b.AppendLine("m_{0}_managed[i] = {1}.Wrap(m_{0} + (i * m_{0}_structsize));", var, Struct.ClassName);
b.EndBlock();
b.EndBlock();
b.AppendLine("return m_{0}_managed;", var);
}
public override void EmitPublicEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("m_{0}_managed == null", var);
b.AppendLine("m_{0}_managed = new {1}[m_{0}.Length];", var, Struct.ClassName);
b.BeginBlock("for(int i = 0; i < m_{0}.Length; ++i)", var);
b.AppendLine("m_{0}_managed[i] = {1}.Wrap(m_{0}[i]);", var, Struct.ClassName);
b.EndBlock();
b.EndBlock();
b.AppendLine("return m_{0}_managed;", var);
}
public override void EmitRemotePreCallStatements(CodeBuilder b, string var)
{
b.BeginIf("{0} != null", var);
b.AppendLine("call.{0} = new IntPtr[{0}.Length];", var);
b.BeginBlock("for(int i = 0; i < {0}.Length; ++i)", var);
b.AppendLine("if(!CheckConnection({0}[i], connection)) throw new ArgumentException(\"Render process connection mismatch.\", \"{1}[\" + i + \"]\");", CSharp.Escape(var), var);
b.AppendLine("call.{0}[i] = {1};", var, StructPtr.RemoteUnwrapExpression(var + "[i]"));
b.EndBlock();
b.EndBlock();
}
public override void EmitRemoteClass(CodeBuilder b)
{
b.AppendLine();
b.AppendSummaryAndRemarks(Comments, true, Category == StructCategory.Client);
b.BeginClass(RemoteClassName + " : CfrStructure", GeneratorConfig.ClassModifiers(RemoteClassName, "public sealed"));
b.AppendLine();
if (NeedsWrapFunction)
{
b.BeginFunction("Wrap", RemoteClassName, "RemotePtr remotePtr", "internal static");
b.AppendLine("if(remotePtr == RemotePtr.Zero) return null;");
b.AppendLine("var weakCache = CfxRemoteCallContext.CurrentContext.connection.weakCache;");
b.AppendLine("return ({0})weakCache.GetOrAdd(remotePtr.ptr, () => new {0}(remotePtr));", RemoteClassName);
b.EndBlock();
b.AppendLine();
b.AppendLine();
}
b.AppendLine("private {0}(RemotePtr remotePtr) : base(remotePtr) {{}}", RemoteClassName);
b.AppendLine("public {0}() : base(new {1}CtorRemoteCall(), new {1}DtorRemoteCall()) {{}}", RemoteClassName, ClassName);
foreach (var sm in StructMembers)
{
b.AppendLine();
b.AppendLine("{0} m_{1};", sm.MemberType.RemoteSymbol, sm.PublicName);
b.AppendLine("bool m_{0}_fetched;", sm.PublicName);
b.AppendLine();
b.AppendSummaryAndRemarks(sm.Comments, true);
b.BeginBlock("public {1} {0}", CSharp.Escape(sm.PublicName), sm.MemberType.RemoteSymbol);
b.BeginBlock("get");
b.BeginIf("!m_{0}_fetched", sm.PublicName);
b.AppendLine("var call = new {0}Get{1}RemoteCall();", ClassName, sm.PublicName);
b.AppendLine("call.sender = RemotePtr.ptr;");
b.AppendLine("call.RequestExecution(RemotePtr.connection);");
b.AppendLine("m_{0} = {1};", sm.PublicName, sm.MemberType.RemoteWrapExpression("call.value"));
b.AppendLine("m_{0}_fetched = true;", sm.PublicName);
b.EndBlock();
b.AppendLine("return m_{0};", sm.PublicName);
b.EndBlock();
b.BeginBlock("set");
b.AppendLine("var call = new {0}Set{1}RemoteCall();", ClassName, sm.PublicName);
b.AppendLine("call.sender = RemotePtr.ptr;");
b.AppendLine("call.value = {0};", sm.MemberType.RemoteUnwrapExpression("value"));
b.AppendLine("call.RequestExecution(RemotePtr.connection);");
b.AppendLine("m_{0} = value;", sm.PublicName);
b.AppendLine("m_{0}_fetched = true;", sm.PublicName);
b.EndBlock();
b.EndBlock();
}
b.EndBlock();
}
protected override void EmitExecuteInTargetProcess(CodeBuilder b)
{
Debug.Assert(Arguments[2].ArgumentType.PublicSymbol == "CfxPostDataElement");
b.AppendLine("var elements = ((CfxPostData)RemoteProxy.Unwrap(self)).Elements;");
b.BeginIf("elements != null");
b.AppendLine("__retval = new IntPtr[elements.Length];");
b.BeginFor("elements.Length");
b.AppendLine("__retval[i] = RemoteProxy.Wrap(elements[i]);");
b.EndBlock();
b.EndBlock();
}
public override void EmitPreProxyCallStatements(CodeBuilder b, string var)
{
b.AppendLine("{0}[] {1}_unwrapped;", Struct.ClassName, var);
b.BeginIf("{0} != null", var);
b.AppendLine("{0}_unwrapped = new {1}[{0}.Length];", var, Struct.ClassName);
b.BeginBlock("for(int i = 0; i < {0}.Length; ++i)", var);
b.AppendLine("{0}_unwrapped[i] = {1};", var, StructPtr.ProxyUnwrapExpression(var + "[i]"));
b.EndBlock();
b.BeginElse();
b.AppendLine("{0}_unwrapped = null;", var);
b.EndBlock();
}
public override void EmitRemoteEventArgGetterStatements(CodeBuilder b, string var)
{
b.BeginIf("m_{0}_managed == null", var);
b.AppendLine("m_{0}_managed = new {1}[({2})m_{3}];", var, Struct.RemoteClassName, CountArg.ArgumentType.PublicSymbol, CountArg.VarName);
b.AppendLine("var currentPtr = m_{0};", var);
b.BeginBlock("for({0} i = 0; i < ({0})m_{1}; ++i)", CountArg.ArgumentType.PublicSymbol, CountArg.VarName);
b.AppendLine("m_{0}_managed[i] = {1}.Wrap(currentPtr);", var, Struct.ClassName);
b.AppendLine("currentPtr += m_{0}_structsize;", var);
b.EndBlock();
b.EndBlock();
b.AppendLine("return m_{0}_managed;", var);
}
public override void EmitPostPublicRaiseEventStatements(CodeBuilder b, string var)
{
b.BeginIf("e.m_{0}_wrapped != null && e.m_{0}_wrapped.Length > 0", var);
b.AppendLine("var {0}_pinned = new PinnedString(e.m_{0}_wrapped);", var);
b.AppendLine("{0}_str = {0}_pinned.Obj.PinnedPtr;", var);
b.AppendLine("{0}_length = {0}_pinned.Length;", var);
b.AppendLine("{0}_gc_handle = {0}_pinned.Obj.GCHandlePtr();", var);
b.BeginElse();
b.AppendLine("{0}_str = IntPtr.Zero;", var);
b.AppendLine("{0}_length = 0;", var);
b.AppendLine("{0}_gc_handle = IntPtr.Zero;", var);
b.EndBlock();
}
public override void EmitPostRemoteCallbackStatements(CodeBuilder b, string var)
{
b.BeginIf("call.{0} != null && call.{0}.Length > 0", CSharp.Escape(var));
b.AppendLine("var {0}_pinned = new PinnedString(call.{1});", var, CSharp.Escape(var));
b.AppendLine("{0}_str = {0}_pinned.Obj.PinnedPtr;", var);
b.AppendLine("{0}_length = {0}_pinned.Length;", var);
b.AppendLine("{0}_gc_handle = {0}_pinned.Obj.GCHandlePtr();", var);
b.BeginElse();
b.AppendLine("{0}_str = IntPtr.Zero;", var);
b.AppendLine("{0}_length = 0;", var);
b.AppendLine("{0}_gc_handle = IntPtr.Zero;", var);
b.EndBlock();
}
public override void EmitNativeCall(CodeBuilder b, string functionName)
{
b.AppendLine("cef_range_t *ranges_tmp = (cef_range_t*)malloc(*rangesCount * sizeof(cef_range_t));");
b.BeginIf("ranges_tmp");
b.AppendLine("*ranges_nomem = 0;");
b.AppendLine("self->get_page_ranges(self, rangesCount, ranges_tmp);");
b.BeginBlock("for(size_t i = 0; i < *rangesCount; ++i)");
b.AppendLine("ranges[i] = (cef_range_t*)malloc(sizeof(cef_range_t));");
b.AppendLine("*ranges[i] = ranges_tmp[i];");
b.EndBlock();
b.AppendLine("free(ranges_tmp);");
b.BeginElse();
b.AppendLine("*ranges_nomem = 1;");
b.EndBlock();
}
public override void EmitPublicPreCallStatements(CodeBuilder b, string var)
{
b.AppendLine("UIntPtr {0}_length;", var);
b.AppendLine("IntPtr[] {0}_ptrs;", var);
b.BeginIf("{0} != null", var);
b.AppendLine("{0}_length = (UIntPtr){0}.Length;", var);
b.AppendLine("{0}_ptrs = new IntPtr[{0}.Length];", var);
b.BeginBlock("for(int i = 0; i < {0}.Length; ++i)", var);
b.AppendLine("{0}_ptrs[i] = {1}.Unwrap({0}[i]);", var, Struct.ClassName);
b.EndBlock();
b.BeginElse();
b.AppendLine("{0}_length = UIntPtr.Zero;", var);
b.AppendLine("{0}_ptrs = null;", var);
b.EndBlock();
b.AppendLine("PinnedObject {0}_pinned = new PinnedObject({0}_ptrs);", var);
}
public override void EmitRemoteClass(CodeBuilder b)
{
b.AppendLine();
b.AppendSummaryAndRemarks(Comments, true, Category == StructCategory.ApiCallbacks);
b.BeginClass(RemoteClassName + " : CfrStructure", GeneratorConfig.ClassModifiers(RemoteClassName, "public sealed"));
b.AppendLine();
EmitRemoteClassWrapperFunction(b);
b.AppendLine("private {0}(RemotePtr remotePtr) : base(remotePtr) {{}}", RemoteClassName);
b.AppendLine("public {0}() : base(new {1}CtorRemoteCall(), new {1}DtorRemoteCall()) {{}}", RemoteClassName, ClassName);
foreach (var sm in StructMembers)
{
b.AppendLine();
b.AppendLine("{0} m_{1};", sm.MemberType.RemoteSymbol, sm.PublicName);
b.AppendLine("bool m_{0}_fetched;", sm.PublicName);
b.AppendLine();
b.AppendSummaryAndRemarks(sm.Comments, true);
b.BeginBlock("public {1} {0}", CSharp.Escape(sm.PublicName), sm.MemberType.RemoteSymbol);
b.BeginBlock("get");
b.BeginIf("!m_{0}_fetched", sm.PublicName);
b.AppendLine("var call = new {0}Get{1}RemoteCall();", ClassName, sm.PublicName);
b.AppendLine("call.sender = RemotePtr.ptr;");
b.AppendLine("call.RequestExecution(RemotePtr.connection);");
b.AppendLine("m_{0} = {1};", sm.PublicName, sm.MemberType.RemoteWrapExpression("call.value"));
b.AppendLine("m_{0}_fetched = true;", sm.PublicName);
b.EndBlock();
b.AppendLine("return m_{0};", sm.PublicName);
b.EndBlock();
b.BeginBlock("set");
b.AppendLine("var call = new {0}Set{1}RemoteCall();", ClassName, sm.PublicName);
b.AppendLine("call.sender = RemotePtr.ptr;");
b.AppendLine("call.value = {0};", sm.MemberType.RemoteUnwrapExpression("value"));
b.AppendLine("call.RequestExecution(RemotePtr.connection);");
b.AppendLine("m_{0} = value;", sm.PublicName);
b.AppendLine("m_{0}_fetched = true;", sm.PublicName);
b.EndBlock();
b.EndBlock();
}
b.EndBlock();
}
public void EmitRemoteEventArgsAndHandler(CodeBuilder b, CefCallbackFunction cb)
{
if (cb.IsBasicEvent)
{
return;
}
if (!ShouldEmitEventHandler(emittedRemoteHandlers, cb))
{
return;
}
b.AppendSummaryAndRemarks(cb.Comments, true, true);
b.AppendLine("public delegate void {0}(object sender, {1} e);", cb.RemoteEventHandlerName, cb.RemoteEventArgsClassName);
b.AppendLine();
b.AppendSummaryAndRemarks(cb.Comments, true, true);
b.BeginClass(cb.RemoteEventArgsClassName + " : CfrEventArgs", GeneratorConfig.ClassModifiers(cb.RemoteEventArgsClassName));
b.AppendLine();
b.AppendLine("private {0}RemoteEventCall call;", cb.RemoteCallName);
b.AppendLine();
for (var i = 1; i <= cb.Signature.ManagedParameters.Count() - 1; i++)
{
cb.Signature.ManagedParameters[i].EmitRemoteEventArgFields(b);
}
b.AppendLine();
if (!cb.Signature.PublicReturnType.IsVoid)
{
b.AppendLine("internal {0} m_returnValue;", cb.Signature.PublicReturnType.RemoteSymbol);
b.AppendLine("private bool returnValueSet;");
b.AppendLine();
}
b.AppendLine("internal {0}({1}RemoteEventCall call) {{ this.call = call; }}", cb.RemoteEventArgsClassName, cb.RemoteCallName);
b.AppendLine();
for (var i = 1; i <= cb.Signature.ManagedParameters.Count() - 1; i++)
{
var arg = cb.Signature.ManagedParameters[i];
var cd = new CommentNode();
if (arg.ParameterType.IsIn && arg.ParameterType.IsOut)
{
cd.Lines = new string[] { string.Format("Get or set the {0} parameter for the <see cref=\"{1}.{2}\"/> render process callback.", arg.PublicPropertyName, CefStruct.RemoteSymbol, cb.PublicFunctionName) };
}
else if (arg.ParameterType.IsIn)
{
cd.Lines = new string[] { string.Format("Get the {0} parameter for the <see cref=\"{1}.{2}\"/> render process callback.", arg.PublicPropertyName, CefStruct.RemoteSymbol, cb.PublicFunctionName) };
}
else
{
cd.Lines = new string[] { string.Format("Set the {0} out parameter for the <see cref=\"{1}.{2}\"/> render process callback.", arg.PublicPropertyName, CefStruct.RemoteSymbol, cb.PublicFunctionName) };
}
if (arg.ParameterType is CefStructArrayType && arg.ParameterType.IsIn)
{
cd.Lines = cd.Lines.Concat(new string[] { "Do not keep a reference to the elements of this array outside of this function." }).ToArray();
}
b.AppendSummary(cd);
b.BeginBlock("public {0} {1}", arg.ParameterType.RemoteSymbol, arg.PublicPropertyName);
if (arg.ParameterType.IsIn)
{
b.BeginBlock("get");
b.AppendLine("CheckAccess();");
arg.EmitRemoteEventArgGetterStatements(b);
b.EndBlock();
}
if (arg.ParameterType.IsOut)
{
b.BeginBlock("set");
b.AppendLine("CheckAccess();");
arg.EmitRemoteEventArgSetterStatements(b);
b.EndBlock();
}
b.EndBlock();
}
if (!cb.Signature.PublicReturnType.IsVoid)
{
var cd = new CommentNode();
cd.Lines = new string[] {
string.Format("Set the return value for the <see cref=\"{0}.{1}\"/> render process callback.", CefStruct.RemoteClassName, cb.PublicFunctionName),
"Calling SetReturnValue() more then once per callback or from different event handlers will cause an exception to be thrown."
};
b.AppendSummary(cd);
b.BeginBlock("public void SetReturnValue({0} returnValue)", cb.Signature.PublicReturnType.RemoteSymbol);
b.BeginIf("returnValueSet");
b.AppendLine("throw new CfxException(\"The return value has already been set\");");
b.EndBlock();
b.AppendLine("m_returnValue = returnValue;");
b.AppendLine("returnValueSet = true;");
b.EndBlock();
}
if (cb.Signature.ManagedParameters.Count() > 1)
{
b.AppendLine();
EmitEventToString(b, cb);
}
b.EndBlock();
}
public override void EmitRemoteCalls(CodeBuilder b, List <string> callIds)
{
b.AppendLine("using Event;");
b.AppendLine();
b.BeginRemoteCallClass(ClassName, callIds, "CtorWithGCHandleRemoteCall");
b.AppendLine();
b.BeginBlock("protected override void RemoteProcedure()");
b.AppendLine("__retval = CfxApi.{0}.{1}_ctor(gcHandlePtr, 1);", ApiClassName, CfxName);
b.EndBlock();
b.EndBlock();
b.AppendLine();
if (NeedsWrapFunction)
{
b.BeginRemoteCallClass(ClassName, callIds, "GetGcHandleRemoteCall");
b.AppendLine();
b.BeginBlock("protected override void RemoteProcedure()");
b.AppendLine("gc_handle = CfxApi.{0}.{1}_get_gc_handle(self);", ApiClassName, CfxName);
b.EndBlock();
b.EndBlock();
b.AppendLine();
}
b.BeginRemoteCallClass(ClassName, callIds, "SetCallbackRemoteCall");
b.AppendLine();
b.BeginBlock("protected override void RemoteProcedure()");
b.AppendLine("{0}RemoteClient.SetCallback(self, index, active);", ClassName);
b.EndBlock();
b.EndBlock();
b.AppendLine();
foreach (var cb in RemoteCallbackFunctions)
{
var sig = cb.Signature;
b.BeginRemoteCallClass(cb.RemoteCallName, callIds, "RemoteEventCall");
b.AppendLine();
var inArgumentList = new List <string>();
var outArgumentList = new List <string>();
foreach (var arg in sig.Parameters)
{
if (!arg.IsThisArgument)
{
foreach (var pm in arg.ParameterType.RemoteCallbackParameterList(arg.VarName))
{
if (pm.StartsWith("out "))
{
b.AppendLine("internal {0};", pm.Substring(4));
outArgumentList.Add(pm.Substring(pm.LastIndexOf(' ') + 1));
}
else
{
b.AppendLine("internal {0};", pm);
inArgumentList.Add(pm.Substring(pm.LastIndexOf(' ') + 1));
}
}
}
}
b.AppendLine();
if (!sig.ReturnType.IsVoid)
{
b.AppendLine("internal {0} __retval;", sig.ReturnType.PInvokeSymbol);
b.AppendLine();
}
b.BeginBlock("protected override void WriteArgs(StreamHandler h)");
b.AppendLine("h.Write(gcHandlePtr);");
foreach (var pm in inArgumentList)
{
b.AppendLine("h.Write({0});", pm);
}
b.EndBlock();
b.AppendLine();
b.BeginBlock("protected override void ReadArgs(StreamHandler h)");
b.AppendLine("h.Read(out gcHandlePtr);");
foreach (var pm in inArgumentList)
{
b.AppendLine("h.Read(out {0});", pm);
}
b.EndBlock();
b.AppendLine();
b.BeginBlock("protected override void WriteReturn(StreamHandler h)");
foreach (var pm in outArgumentList)
{
b.AppendLine("h.Write({0});", pm);
}
if (!sig.ReturnType.IsVoid)
{
b.AppendLine("h.Write(__retval);");
}
b.EndBlock();
b.AppendLine();
b.BeginBlock("protected override void ReadReturn(StreamHandler h)");
foreach (var pm in outArgumentList)
{
b.AppendLine("h.Read(out {0});", pm);
}
if (!sig.ReturnType.IsVoid)
{
b.AppendLine("h.Read(out __retval);");
}
b.EndBlock();
b.AppendLine();
b.BeginBlock("protected override void RemoteProcedure()");
b.AppendLine("var self = ({0})System.Runtime.InteropServices.GCHandle.FromIntPtr(gcHandlePtr).Target;", RemoteClassName);
b.BeginIf("self == null || self.CallbacksDisabled");
b.AppendLine("return;");
b.EndBlock();
if (cb.IsBasicEvent)
{
b.AppendLine("var e = new CfrEventArgs();");
}
else
{
b.AppendLine("var e = new {0}(this);", cb.RemoteEventArgsClassName);
}
b.AppendLine("e.connection = CfxRemoteCallContext.CurrentContext.connection;");
b.AppendLine("self.m_{0}?.Invoke(self, e);", cb.PublicName);
b.AppendLine("e.connection = null;");
for (var i = 1; i <= sig.ManagedParameters.Count() - 1; i++)
{
sig.ManagedParameters[i].EmitPostRemoteRaiseEventStatements(b);
}
sig.EmitPostRemoteEventHandlerReturnValueStatements(b);
b.EndBlock();
b.EndBlock();
b.AppendLine();
}
}
public override void EmitNativeWrapper(CodeBuilder b)
{
b.AppendComment(CefStruct.Name);
b.AppendLine();
b.BeginBlock("typedef struct _{0}", CfxNativeSymbol);
b.AppendLine("{0} {1};", OriginalSymbol, CefStruct.Name);
b.AppendLine("unsigned int ref_count;");
b.AppendLine("gc_handle_t gc_handle;");
b.AppendLine("int wrapper_kind;");
b.AppendLine("// managed callbacks");
foreach (var cb in CallbackFunctions)
{
b.AppendLine("void (CEF_CALLBACK *{0})({1});", cb.Name, cb.Signature.NativeParameterList);
}
b.EndBlock("{0};", CfxNativeSymbol);
b.AppendLine();
b.BeginBlock("void CEF_CALLBACK _{0}_add_ref(struct _cef_base_ref_counted_t* base)", CfxName);
if (GeneratorConfig.UseStrongHandleFor(CefStruct.Name))
{
b.AppendLine("int count = InterlockedIncrement(&(({0}*)base)->ref_count);", CfxNativeSymbol);
b.BeginIf("count == 2");
b.BeginIf("(({0}*)base)->wrapper_kind == 0", CfxNativeSymbol);
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_UPGRADE);", CfxNativeSymbol);
b.BeginElse();
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_UPGRADE | GC_HANDLE_REMOTE);", CfxNativeSymbol);
b.EndBlock();
b.EndBlock();
}
else
{
b.AppendLine("InterlockedIncrement(&(({0}*)base)->ref_count);", CfxNativeSymbol);
}
b.EndBlock();
b.BeginBlock("int CEF_CALLBACK _{0}_release(struct _cef_base_ref_counted_t* base)", CfxName);
b.AppendLine("int count = InterlockedDecrement(&(({0}*)base)->ref_count);", CfxNativeSymbol);
b.BeginIf("count == 0");
b.BeginIf("(({0}*)base)->wrapper_kind == 0", CfxNativeSymbol);
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_FREE);", CfxNativeSymbol);
b.BeginElse();
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_FREE | GC_HANDLE_REMOTE);", CfxNativeSymbol);
b.EndBlock();
b.AppendLine("free(base);");
b.AppendLine("return 1;");
b.EndBlock();
if (GeneratorConfig.UseStrongHandleFor(CefStruct.Name))
{
b.BeginIf("count == 1");
b.BeginIf("(({0}*)base)->wrapper_kind == 0", CfxNativeSymbol);
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_DOWNGRADE);", CfxNativeSymbol);
b.BeginElse();
b.AppendLine("cfx_gc_handle_switch(&(({0}*)base)->gc_handle, GC_HANDLE_DOWNGRADE | GC_HANDLE_REMOTE);", CfxNativeSymbol);
b.EndBlock();
b.EndBlock();
}
b.AppendLine("return 0;");
b.EndBlock();
b.BeginBlock("int CEF_CALLBACK _{0}_has_one_ref(struct _cef_base_ref_counted_t* base)", CfxName);
b.AppendLine("return (({0}*)base)->ref_count == 1 ? 1 : 0;", CfxNativeSymbol);
b.EndBlock();
b.AppendLine();
b.BeginBlock("static {0}* {1}_ctor(gc_handle_t gc_handle, int wrapper_kind)", CfxNativeSymbol, CfxName);
b.AppendLine("{0}* ptr = ({0}*)calloc(1, sizeof({0}));", CfxNativeSymbol);
b.AppendLine("if(!ptr) return 0;");
b.AppendLine("ptr->{0}.base.size = sizeof({1});", CefStruct.Name, OriginalSymbol);
b.AppendLine("ptr->{0}.base.add_ref = _{1}_add_ref;", CefStruct.Name, CfxName);
b.AppendLine("ptr->{0}.base.release = _{1}_release;", CefStruct.Name, CfxName);
b.AppendLine("ptr->{0}.base.has_one_ref = _{1}_has_one_ref;", CefStruct.Name, CfxName);
b.AppendLine("ptr->ref_count = 1;");
b.AppendLine("ptr->gc_handle = gc_handle;");
b.AppendLine("ptr->wrapper_kind = wrapper_kind;");
b.AppendLine("return ptr;");
b.EndBlock();
b.AppendLine();
if (NeedsWrapFunction)
{
b.BeginBlock("static gc_handle_t {0}_get_gc_handle({1}* self)", CfxName, CfxNativeSymbol);
b.AppendLine("return self->gc_handle;");
b.EndBlock();
b.AppendLine();
}
foreach (var cb in CallbackFunctions)
{
b.AppendLine("// {0}", cb);
b.AppendLine();
b.BeginBlock("{0} CEF_CALLBACK {1}({2})", cb.NativeReturnType.OriginalSymbol, cb.NativeCallbackName, cb.Signature.OriginalParameterList);
if (!cb.NativeReturnType.IsVoid)
{
cb.NativeReturnType.EmitNativeCallbackReturnValueFields(b);
}
foreach (var arg in cb.Signature.Parameters)
{
arg.EmitPreNativeCallbackStatements(b);
}
b.AppendLine("(({0}_t*)self)->{1}({2});", CfxName, cb.Name, cb.Signature.NativeArgumentList);
foreach (var arg in cb.Signature.Parameters)
{
arg.EmitPostNativeCallbackStatements(b);
}
cb.NativeReturnType.EmitNativeCallbackReturnStatements(b);
b.EndBlock();
b.AppendLine();
}
b.BeginBlock("static void {0}_set_callback({1}* self, int index, void* callback)", CfxName, OriginalSymbol);
b.BeginBlock("switch(index)");
var index = 0;
foreach (var cb in CallbackFunctions)
{
b.DecreaseIndent();
b.AppendLine("case {0}:", index);
b.IncreaseIndent();
b.AppendLine("(({0}_t*)self)->{1} = (void (CEF_CALLBACK *)({2}))callback;", CfxName, cb.Name, cb.Signature.NativeParameterList);
b.AppendLine("self->{0} = callback ? {1} : 0;", cb.Name, cb.NativeCallbackName);
b.AppendLine("break;");
cb.ClientCallbackIndex = index;
index += 1;
}
b.EndBlock();
b.EndBlock();
b.AppendLine();
}