void CSFunctionWriter::WriteManagedFunction(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
String sig;
String returnType = CSTypeHelper::GetManagedTypeString(function_->GetReturnType());
GenManagedFunctionParameters(sig);
String line = "public ";
if (function_->IsStatic())
{
line += "static ";
}
bool marked = false;
JSBClass* baseClass = klass->GetBaseClass();
if (baseClass)
{
JSBFunction* override = baseClass->MatchFunction(function_, true);
if (override)
{
marked = true;
if (override->IsVirtual())
line += "override ";
else
line += "new ";
}
}
String CSTypeHelper::GetNativeFunctionSignature(JSBFunction* function, String& returnType)
{
if (function->Skip())
return String::EMPTY;
if (function->IsDestructor())
return String::EMPTY;
if (OmitFunction(function))
return String::EMPTY;
JSBClass* klass = function->GetClass();
JSBPackage* package = klass->GetPackage();
String fname = function->IsConstructor() ? "Constructor" : function->GetName();
returnType = "void";
if (function->IsConstructor())
{
returnType = "RefCounted*";
}
else if (function->GetReturnType())
{
if (function->IsConstructor())
{
returnType = ToString("%s*", klass->GetNativeName().CString());
}
else if (function->GetReturnClass())
{
if (!function->GetReturnClass()->IsNumberArray())
{
returnType = ToString("const %s*", function->GetReturnClass()->GetNativeName().CString());
}
}
else if (function->GetReturnType()->type_->asStringHashType())
{
returnType = "unsigned";
}
else
{
returnType = ToString("%s", CSTypeHelper::GetNativeTypeString(function->GetReturnType()).CString());
// ScriptVector is handled by a out parameter
if (returnType.Contains("ScriptVector"))
returnType = "void";
}
}
String sig;
GenNativeFunctionParameterSignature(function, sig);
String functionSig = ToString("csb_%s_%s_%s_%u(%s)",
package->GetName().CString(), klass->GetName().CString(),
fname.CString(), function->GetID(), sig.CString());
return functionSig;
}
void CSFunctionWriter::WriteManagedConstructor(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
if (klass->GetName() == "RefCounted")
return;
// wrapping constructor
String line;
line = ToString("public %s (IntPtr native) : base (native)\n", klass->GetName().CString());
source += IndentLine(line);
source += IndentLine("{\n");
source += IndentLine("}\n\n");
String sig;
GenManagedFunctionParameters(sig);
line = ToString("public %s (%s)\n", klass->GetName().CString(), sig.CString());
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
WriteDefaultStructParameters(source);
line = ToString("if (typeof(%s) == this.GetType()", klass->GetName().CString());
line += ToString(" || (this.GetType().BaseType == typeof(%s) && !NativeCore.GetNativeType(this.GetType())))\n", klass->GetName().CString());
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
String callSig;
GenPInvokeCallParameters(callSig);
line = ToString("nativeInstance = NativeCore.RegisterNative (csb_%s_%s_Constructor(%s), this);\n",
package->GetName().CString(), klass->GetName().CString(), callSig.CString());
source += IndentLine(line);
Dedent();
source += IndentLine("}\n");
Dedent();
source += IndentLine("}\n");
}
String JSBHaxe::GetScriptType(JSBFunctionType* ftype)
{
String scriptType = "Dynamic";
if (ftype->type_->asPrimitiveType())
{
JSBPrimitiveType* ptype = ftype->type_->asPrimitiveType();
scriptType = GetPrimitiveType(ptype);
return scriptType;
}
if (ftype->type_->asStringHashType() || ftype->type_->asStringType())
scriptType = "String";
if (ftype->type_->asEnumType())
scriptType = ftype->type_->asEnumType()->enum_->GetName();
if (ftype->type_->asClassType())
{
JSBClass* klass = ftype->type_->asClassType()->class_;
scriptType = klass->GetName();
if (klass->GetPackage()->GetName() != package_->GetName())
{
scriptType = klass->GetPackage()->GetName() + "." + klass->GetName();
}
}
if (ftype->type_->asVectorType())
{
JSBVectorType* vectorType = ftype->type_->asVectorType();
scriptType = "Array<String>";
}
return scriptType;
}
String JSBTypeScript::GetScriptType(JSBFunctionType* ftype)
{
String scriptType = "number";
if (ftype->type_->asPrimitiveType())
{
JSBPrimitiveType* ptype = ftype->type_->asPrimitiveType();
if (ptype->kind_ == JSBPrimitiveType::Bool)
scriptType = "boolean";
}
if (ftype->type_->asStringHashType() || ftype->type_->asStringType())
scriptType = "string";
if (ftype->type_->asEnumType())
scriptType = ftype->type_->asEnumType()->enum_->GetName();
if (ftype->type_->asClassType())
{
JSBClass* klass = ftype->type_->asClassType()->class_;
scriptType = klass->GetName();
if (klass->GetPackage()->GetName() != package_->GetName())
{
scriptType = klass->GetPackage()->GetName() + "." + klass->GetName();
}
}
if (ftype->type_->asVectorType())
{
scriptType = "string[]";
}
return scriptType;
}
void CSFunctionWriter::WriteManagedPInvokeFunctionSignature(String& source)
{
source += "\n";
// CoreCLR has pinvoke security demand code commented out, so we do not (currently) need this optimization:
// https://github.com/dotnet/coreclr/issues/1605
// line = "[SuppressUnmanagedCodeSecurity]\n";
// source += IndentLine(line);
String line = "[DllImport (Constants.LIBNAME, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]\n";
source += IndentLine(line);
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
String returnType = CSTypeHelper::GetPInvokeTypeString(function_->GetReturnType());
if (returnType == "string")
returnType = "IntPtr";
if (function_->IsConstructor())
returnType = "IntPtr";
Vector<JSBFunctionType*>& parameters = function_->GetParameters();
Vector<String> args;
if (!function_->IsConstructor() && !function_->IsStatic())
{
args.Push("IntPtr self");
}
if (parameters.Size())
{
for (unsigned int i = 0; i < parameters.Size(); i++)
{
JSBFunctionType* ptype = parameters.At(i);
String name = ptype->name_;
if (name == "object")
name = "_object";
else if (name == "readonly")
name = "readOnly";
else if (name == "params")
name = "parameters";
// ignore "Context" parameters
if (ptype->type_->asClassType())
{
JSBClassType* classType = ptype->type_->asClassType();
JSBClass* klass = classType->class_;
if (klass->GetName() == "Context")
{
continue;
}
if (klass->IsNumberArray())
{
args.Push("ref " + klass->GetName() + " " + name);
}
else
{
args.Push("IntPtr " + name);
}
}
else
{
args.Push(CSTypeHelper::GetPInvokeTypeString(ptype) + " " + name);
}
}
}
if (function_->GetReturnClass())
{
JSBClass* retClass = function_->GetReturnClass();
if (retClass->IsNumberArray())
{
args.Push("ref " + retClass->GetName() + " retValue");
}
}
String pstring;
pstring.Join(args, ", ");
String fname = function_->IsConstructor() ? "Constructor" : function_->GetName();
line = ToString("private static extern %s csb_%s_%s_%s(%s);\n",
returnType.CString(), package->GetName().CString(), klass->GetName().CString(),
fname.CString(), pstring.CString());
source += IndentLine(line);
source += "\n";
}
void CSFunctionWriter::WriteNativeFunction(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
String fname = function_->IsConstructor() ? "Constructor" : function_->GetName();
String returnType;
String functionSig = CSTypeHelper::GetNativeFunctionSignature(function_, returnType);
String line;
line = ToString("ATOMIC_EXPORT_API %s %s\n",
returnType.CString(), functionSig.CString());
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
source += "\n";
bool returnValue = false;
bool sharedPtrReturn = false;
String returnStatement;
if (returnType == "const char*")
{
returnValue = true;
source += IndentLine("static String returnValue;\n");
returnStatement = "returnValue = ";
}
else if (function_->GetReturnClass() && function_->GetReturnClass()->IsNumberArray())
{
returnStatement = "*returnValue = ";
}
else if (function_->GetReturnClass() && function_->GetReturnType()->isSharedPtr_)
{
returnStatement = ToString("SharedPtr<%s> returnValue = ", function_->GetReturnClass()->GetNativeName().CString());
sharedPtrReturn = true;
}
else
{
if (returnType != "void")
{
returnStatement = "return ";
}
}
String callSig;
GenNativeCallParameters(callSig);
if (!function_->isConstructor_)
{
if (function_->IsStatic())
{
line = ToString("%s%s::%s(%s);\n", returnStatement.CString(), klass->GetNativeName().CString(), function_->GetName().CString(), callSig.CString());
}
else
{
line = ToString("%sself->%s(%s);\n", returnStatement.CString(), function_->GetName().CString(), callSig.CString());
}
}
else
{
if (klass->IsAbstract())
{
line = "return 0; // Abstract Class\n";
}
else if (klass->IsObject())
{
if (callSig.Length())
line = ToString("return new %s(NETCore::GetContext(), %s);\n", klass->GetNativeName().CString(), callSig.CString());
else
line = ToString("return new %s(NETCore::GetContext());\n", klass->GetNativeName().CString());
}
else
{
line = ToString("return new %s(%s);\n", klass->GetNativeName().CString(), callSig.CString());
}
}
source += IndentLine(line);
if (sharedPtrReturn)
{
source += IndentLine("returnValue->AddRef();\n");
source += IndentLine("return returnValue;\n");
}
else if (returnType == "const char*")
{
source += IndentLine("return returnValue.CString();\n");
}
Dedent();
source += IndentLine("}\n");
source += "\n";
}
void JSBTypeScript::ExportModuleClasses(JSBModule* module)
{
Vector<SharedPtr<JSBClass>> classes = module->GetClasses();
if (!classes.Size())
return;
source_ += "\n";
for (unsigned i = 0; i < classes.Size(); i++)
{
JSBClass* klass = classes.At(i);
source_ += " export class " + klass->GetName();
JSBClass* base = klass->GetBaseClass();
if (base)
{
if (klass->GetPackage() != base->GetPackage())
{
source_ += " extends " + base->GetPackage()->GetName() + "." + base->GetName();
}
else
{
source_ += " extends " + base->GetName();
}
}
source_ += " {\n\n";
Vector<String> propertyNames;
klass->GetPropertyNames(propertyNames);
for (unsigned j = 0; j < propertyNames.Size(); j++)
{
JSBProperty* prop = klass->GetProperty(propertyNames[j]);
JSBFunctionType* ftype = NULL;
if (prop->getter_ && !prop->getter_->Skip())
{
ftype = prop->getter_->GetReturnType();
}
else if (prop->setter_ && !prop->setter_->Skip())
ftype = prop->setter_->GetParameters()[0];
if (!ftype)
continue;
String scriptType = GetScriptType(ftype);
String scriptName = prop->GetCasePropertyName();
source_ += " " + scriptName + ": " + scriptType + ";\n";
}
if (propertyNames.Size())
source_ += "\n";
JSBFunction* constructor = klass->GetConstructor();
if (constructor)
{
ExportFunction(constructor);
source_ += "\n";
}
PODVector<JSBFunction*>& functions = klass->GetFunctions();
for (unsigned j = 0; j < functions.Size(); j++)
{
JSBFunction* func = functions[j];
if (func->IsConstructor() || func->IsDestructor() || func->Skip())
continue;
ExportFunction(func);
}
for (unsigned j = 0; j < klass->GetNumTypeScriptDecl(); j++)
{
source_ += " " + klass->GetTypeScriptDecl(j) + "\n";
}
source_ += "\n }\n\n";
}
source_ += "\n";
}
void CSFunctionWriter::WriteManagedConstructor(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
if (klass->GetName() == "RefCounted")
return;
// wrapping constructor
String line;
if (!wroteConstructor_)
{
line = ToString("public %s (IntPtr native) : base (native)\n", klass->GetName().CString());
source += IndentLine(line);
source += IndentLine("{\n");
source += IndentLine("}\n\n");
}
// don't add wrapping constructor for overloads
wroteConstructor_ = true;
String sig;
GenManagedFunctionParameters(sig);
line = ToString("public %s (%s)\n", klass->GetName().CString(), sig.CString());
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
WriteDefaultStructParameters(source);
source += IndentLine("if (nativeInstance == IntPtr.Zero)\n");
source += IndentLine("{\n");
Indent();
source += IndentLine(ToString("var classType = typeof(%s);\n", klass->GetName().CString()));
source += IndentLine("var thisType = this.GetType();\n");
source += IndentLine("var thisTypeIsNative = NativeCore.IsNativeType(thisType);\n");
source += IndentLine("var nativeAncsestorType = NativeCore.GetNativeAncestorType(thisType);\n");
source += IndentLine("if ( (thisTypeIsNative && (thisType == classType)) || (!thisTypeIsNative && (nativeAncsestorType == classType)))\n");
source += IndentLine("{\n");
Indent();
String callSig;
GenPInvokeCallParameters(callSig);
line = ToString("nativeInstance = NativeCore.RegisterNative (csb_%s_%s_Constructor_%u(%s), this);\n",
package->GetName().CString(), klass->GetName().CString(), function_->GetID(), callSig.CString());
source += IndentLine(line);
Dedent();
source += IndentLine("}\n");
Dedent();
source += IndentLine("}\n");
Dedent();
source += IndentLine("}\n");
}
void CSFunctionWriter::WriteManagedPInvokeFunctionSignature(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
if (klass->IsInterface())
return;
source += "\n";
// CoreCLR has pinvoke security demand code commented out, so we do not (currently) need this optimization:
// https://github.com/dotnet/coreclr/issues/1605
// line = "[SuppressUnmanagedCodeSecurity]\n";
// source += IndentLine(line);
String line = "[DllImport (Constants.LIBNAME, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]\n";
source += IndentLine(line);
String returnType = CSTypeHelper::GetPInvokeTypeString(function_->GetReturnType());
// handled by out parameter
if (function_->GetReturnType() && function_->GetReturnType()->type_->asVectorType())
returnType = "void";
if (returnType == "bool")
{
// default boolean marshal is 4 byte windows type BOOL and not 1 byte bool
// https://blogs.msdn.microsoft.com/jaredpar/2008/10/14/pinvoke-and-bool-or-should-i-say-bool/
source += IndentLine("[return: MarshalAs(UnmanagedType.I1)]\n");
}
if (returnType == "string")
returnType = "IntPtr";
if (function_->IsConstructor())
returnType = "IntPtr";
const Vector<JSBFunctionType*>& parameters = function_->GetParameters();
Vector<String> args;
if (!function_->IsConstructor() && !function_->IsStatic())
{
args.Push("IntPtr self");
}
if (parameters.Size())
{
for (unsigned int i = 0; i < parameters.Size(); i++)
{
JSBFunctionType* ptype = parameters.At(i);
String name = ptype->name_;
if (name == "object")
name = "_object";
else if (name == "readonly")
name = "readOnly";
else if (name == "params")
name = "parameters";
// ignore "Context" parameters
if (ptype->type_->asClassType())
{
JSBClassType* classType = ptype->type_->asClassType();
JSBClass* klass = classType->class_;
if (klass->GetName() == "Context")
{
continue;
}
if (klass->IsNumberArray())
{
args.Push("ref " + klass->GetName() + " " + name);
}
else
{
args.Push("IntPtr " + name);
}
}
else
{
args.Push(CSTypeHelper::GetPInvokeTypeString(ptype) + " " + name);
}
}
}
if (function_->GetReturnClass())
{
JSBClass* retClass = function_->GetReturnClass();
if (retClass->IsNumberArray())
{
args.Push("ref " + retClass->GetName() + " retValue");
}
}
else if (function_->GetReturnType() && function_->GetReturnType()->type_->asVectorType())
{
args.Push("IntPtr returnValue");
}
String pstring;
pstring.Join(args, ", ");
String fname = function_->IsConstructor() ? "Constructor" : function_->GetName();
line = ToString("private static extern %s csb_%s_%s_%s_%u(%s);\n",
returnType.CString(), package->GetName().CString(), klass->GetName().CString(),
fname.CString(), function_->GetID(), pstring.CString());
source += IndentLine(line);
source += "\n";
}
void CSFunctionWriter::WriteNativeFunction(String& source)
{
JSBClass* klass = function_->GetClass();
JSBPackage* package = klass->GetPackage();
String fname = function_->IsConstructor() ? "Constructor" : function_->GetName();
String returnType;
String functionSig = CSTypeHelper::GetNativeFunctionSignature(function_, returnType);
String line;
line = ToString("ATOMIC_EXPORT_API %s %s\n",
returnType.CString(), functionSig.CString());
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
source += "\n";
// vector marshal
bool hasVectorMarshal = false;
const Vector<JSBFunctionType*>& fparams = function_->GetParameters();
for (unsigned i = 0; i < fparams.Size(); i++)
{
JSBFunctionType* ftype = fparams[i];
// Interface
JSBClass* interface = 0;
if (ftype->type_->asClassType() && ftype->type_->asClassType()->class_->IsInterface())
{
// We need to downcast to the interface
// TODO: this assumes Object* is in hierarchy, how do we validate this?
interface = ftype->type_->asClassType()->class_;
line = ToString("%s = dynamic_cast<%s*>((Object*)%s);\n", ftype->name_.CString(), interface->GetNativeName().CString(), ftype->name_.CString());
source += IndentLine(line);
}
// Vector
JSBVectorType* vtype = ftype->type_->asVectorType();
if (!vtype)
continue;
JSBClassType* classType = vtype->vectorType_->asClassType();
if (!classType)
continue;
String className = classType->class_->GetName();
String vectorMarshal;
hasVectorMarshal = true;
if (vtype->isPODVector_)
{
const String& pname = ftype->name_;
source += IndentLine(ToString("PODVector<%s*> %s__vector;\n", className.CString(), pname.CString()));
source += IndentLine(ToString("if (%s) %s->AdaptToVector<%s*>(%s__vector);\n", pname.CString(), pname.CString(), className.CString(), pname.CString()));
}
else
{
// vectorMarshal = ToString("PODVector<%s*> %s__vector", className.CString(), ftype->name_.CString());
}
if (vectorMarshal.Length())
{
source += IndentLine(vectorMarshal);
vectorMarshal = String::EMPTY;
}
}
bool returnValue = false;
bool sharedPtrReturn = false;
String returnStatement;
if (returnType == "const char*")
{
returnValue = true;
source += IndentLine("static String returnValue;\n");
returnStatement = "returnValue = ";
}
else if (function_->GetReturnClass() && function_->GetReturnClass()->IsNumberArray())
{
returnStatement = "*returnValue = ";
}
else if (function_->GetReturnClass() && function_->GetReturnType()->isSharedPtr_)
{
returnStatement = ToString("SharedPtr<%s> returnValue = ", function_->GetReturnClass()->GetNativeName().CString());
sharedPtrReturn = true;
}
else if (function_->GetReturnType() && function_->GetReturnType()->type_->asVectorType())
{
// we have an out parameter
JSBVectorType* vtype = function_->GetReturnType()->type_->asVectorType();
if (!vtype->vectorTypeIsSharedPtr_ && !vtype->vectorTypeIsWeakPtr_)
{
returnStatement = ToString("%sVector<%s*> returnValue__vector = ", vtype->isPODVector_ ? "POD" : "", vtype->vectorType_->asClassType()->class_->GetName().CString());
}
else
{
returnStatement = ToString("%sVector<%s<%s>> returnValue__vector = ", vtype->isPODVector_ ? "POD" : "", vtype->vectorTypeIsSharedPtr_ ? "SharedPtr" : "WeakPtr", vtype->vectorType_->asClassType()->class_->GetName().CString());
}
}
else
{
if (returnType != "void" && !hasVectorMarshal)
{
returnStatement = "return ";
}
else if (returnType != "void")
{
returnStatement = ToString("%s returnValue = ", returnType.CString());
}
}
String callSig;
GenNativeCallParameters(callSig);
if (!function_->isConstructor_)
{
if (function_->IsStatic())
{
line = ToString("%s%s::%s(%s);\n", returnStatement.CString(), klass->GetNativeName().CString(), function_->GetName().CString(), callSig.CString());
}
else
{
line = ToString("%sself->%s(%s);\n", returnStatement.CString(), function_->GetName().CString(), callSig.CString());
}
}
else
{
if (klass->IsAbstract())
{
line = "return 0; // Abstract Class\n";
}
else if (klass->IsObject())
{
if (callSig.Length())
line = ToString("return new %s(NETCore::GetContext(), %s);\n", klass->GetNativeName().CString(), callSig.CString());
else
line = ToString("return new %s(NETCore::GetContext());\n", klass->GetNativeName().CString());
}
else
{
line = ToString("return new %s(%s);\n", klass->GetNativeName().CString(), callSig.CString());
}
}
source += IndentLine(line);
// Vector marshaling
for (unsigned i = 0; i < fparams.Size(); i++)
{
JSBFunctionType* ftype = fparams[i];
JSBVectorType* vtype = ftype->type_->asVectorType();
if (!vtype)
continue;
JSBClassType* classType = vtype->vectorType_->asClassType();
if (!classType)
continue;
String className = classType->class_->GetName();
String vectorMarshal;
if (vtype->isPODVector_)
{
const String& pname = ftype->name_;
source += IndentLine(ToString("if (%s) %s->AdaptFromVector<%s*>(%s__vector);\n", pname.CString(), pname.CString(), className.CString(), pname.CString()));
}
else
{
// vectorMarshal = ToString("PODVector<%s*> %s__vector", className.CString(), ftype->name_.CString());
}
if (vectorMarshal.Length())
{
source += IndentLine(vectorMarshal);
vectorMarshal = String::EMPTY;
}
}
if (sharedPtrReturn)
{
source += IndentLine("if (returnValue.NotNull()) returnValue->AddRef();\n");
source += IndentLine("return returnValue;\n");
}
else if (returnType == "const char*")
{
source += IndentLine("return returnValue.CString();\n");
}
else if (function_->GetReturnType() && function_->GetReturnType()->type_->asVectorType())
{
// we have an out parameter
JSBVectorType* vtype = function_->GetReturnType()->type_->asVectorType();
source += IndentLine("if (returnValue) returnValue->AdaptFromVector(returnValue__vector);\n");
}
else if (returnType != "void" && hasVectorMarshal)
{
source += IndentLine("return returnValue;\n");
}
Dedent();
source += IndentLine("}\n");
source += "\n";
}
