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");
}
void CSClassWriter::GenerateNativeSource(String& sourceOut)
{
String source = "";
if (klass_->IsNumberArray())
return;
JSBPackage* package = klass_->GetPackage();
if (!klass_->IsInterface())
{
source.AppendWithFormat("ATOMIC_EXPORT_API ClassID csb_%s_%s_GetClassIDStatic()\n{\n", package->GetName().CString(), klass_->GetName().CString());
source.AppendWithFormat(" return %s::GetClassIDStatic();\n}\n\n", klass_->GetNativeName().CString());
}
WriteNativeFunctions(source);
sourceOut += source;
}
void CSClassWriter::GenerateManagedSource(String& sourceOut)
{
String source = "";
if (klass_->IsNumberArray())
return;
Indent();
source += "\n";
String line;
if (klass_->GetDocString().Length())
{
// monodocer -assembly:NETCore.dll -path:en -pretty
// mdoc export-html -o htmldocs en
source += IndentLine("/// <summary>\n");
if (klass_->GetDocString().Contains('\n'))
source += IndentLine("/* " + klass_->GetDocString() + "*/\n");
else
source += IndentLine("/// " + klass_->GetDocString() + "\n");
source += IndentLine("/// </summary>\n");
}
if (klass_->GetBaseClass())
{
String baseString = klass_->GetBaseClass()->GetName();
const PODVector<JSBClass*>& interfaces = klass_->GetInterfaces();
if (interfaces.Size())
{
StringVector baseStrings;
baseStrings.Push(baseString);
for (unsigned i = 0; i < interfaces.Size(); i++)
{
baseStrings.Push(interfaces.At(i)->GetName());
}
baseString = String::Joined(baseStrings, ",");
}
line = ToString("public partial class %s%s : %s\n", klass_->GetName().CString(), klass_->IsGeneric() ? "<T>" : "", baseString.CString());
}
else
{
String classString = "class";
if (klass_->IsInterface())
classString = "interface";
line = ToString("public partial %s %s%s\n", classString.CString(), klass_->GetName().CString(), klass_->IsGeneric() ? "<T>" : "");
}
source += IndentLine(line);
source += IndentLine("{\n");
Indent();
WriteManagedProperties(source);
JSBPackage* package = klass_->GetPackage();
// 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);
if (!klass_->IsInterface())
{
line = "[DllImport (Constants.LIBNAME, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]\n";
source += IndentLine(line);
line = ToString("public static extern IntPtr csb_%s_%s_GetClassIDStatic();\n", package->GetName().CString(), klass_->GetName().CString());
source += IndentLine(line);
source += "\n";
}
Dedent();
// managed functions
CSFunctionWriter::SetWroteConstructor(false);
for (unsigned i = 0; i < klass_->functions_.Size(); i++)
{
JSBFunction* function = klass_->functions_.At(i);
if (function->Skip())
continue;
if (klass_->IsInterface() && function->IsConstructor())
continue;
if (function->IsDestructor())
continue;
if (CSTypeHelper::OmitFunction(function))
continue;
CSFunctionWriter fwriter(function);
fwriter.GenerateManagedSource(source);
}
// There are some constructors being skipped (like HTTPRequest as it uses a vector of strings in args)
// Make sure we have at least a IntPtr version
if (!klass_->IsInterface() && !CSFunctionWriter::GetWroteConstructor() && klass_->GetName() != "RefCounted")
{
ATOMIC_LOGINFOF("WARNING: %s class didn't write a constructor, filling in generated native constructor", klass_->GetName().CString());
line = ToString("public %s (IntPtr native) : base (native)\n", klass_->GetName().CString());
source += IndentLine(line);
source += IndentLine("{\n");
source += IndentLine("}\n\n");
}
CSFunctionWriter::SetWroteConstructor(false);
source += IndentLine("}\n");
Dedent();
sourceOut += source;
}
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::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";
}