private void OutputTypeNode(IEETypeNode typeNode, NodeFactory factory, CppGenerationBuffer forwardDefinitions, CppGenerationBuffer typeDefinitions, CppGenerationBuffer methodTable)
{
if (_emittedTypes == null)
{
_emittedTypes = new HashSet<TypeDesc>();
}
TypeDesc nodeType = typeNode.Type;
if (nodeType.IsPointer || nodeType.IsByRef || _emittedTypes.Contains(nodeType))
return;
_emittedTypes.Add(nodeType);
// Create Namespaces
string mangledName = GetCppTypeName(nodeType);
int nesting = 0;
int current = 0;
forwardDefinitions.AppendLine();
for (;;)
{
int sep = mangledName.IndexOf("::", current);
if (sep < 0)
break;
if (sep != 0)
{
// Case of a name not starting with ::
forwardDefinitions.Append("namespace " + mangledName.Substring(current, sep - current) + " { ");
typeDefinitions.Append("namespace " + mangledName.Substring(current, sep - current) + " { ");
typeDefinitions.Indent();
nesting++;
}
current = sep + 2;
}
forwardDefinitions.Append("class " + mangledName.Substring(current) + ";");
// type definition
typeDefinitions.Append("class " + mangledName.Substring(current));
if (!nodeType.IsValueType)
{
// Don't emit inheritance if base type has not been marked for emission
if (nodeType.BaseType != null && _emittedTypes.Contains(nodeType.BaseType))
{
typeDefinitions.Append(" : public " + GetCppTypeName(nodeType.BaseType));
}
}
typeDefinitions.Append(" {");
typeDefinitions.AppendLine();
typeDefinitions.Append("public:");
typeDefinitions.Indent();
// TODO: Enable once the dependencies are tracked for arrays
// if (((DependencyNode)_compilation.NodeFactory.ConstructedTypeSymbol(t)).Marked)
if (!nodeType.IsPointer && !nodeType.IsByRef)
{
typeDefinitions.AppendLine();
typeDefinitions.Append("static MethodTable * __getMethodTable();");
}
if (typeNode is ConstructedEETypeNode)
{
OutputTypeFields(typeDefinitions, nodeType);
IReadOnlyList<MethodDesc> virtualSlots = _compilation.NodeFactory.VTable(nodeType).Slots;
int baseSlots = 0;
var baseType = nodeType.BaseType;
while (baseType != null)
{
IReadOnlyList<MethodDesc> baseVirtualSlots = _compilation.NodeFactory.VTable(baseType).Slots;
if (baseVirtualSlots != null)
baseSlots += baseVirtualSlots.Count;
baseType = baseType.BaseType;
}
for (int slot = 0; slot < virtualSlots.Count; slot++)
{
MethodDesc virtualMethod = virtualSlots[slot];
typeDefinitions.AppendLine();
typeDefinitions.Append(GetCodeForVirtualMethod(virtualMethod, baseSlots + slot));
}
if (nodeType.IsDelegate)
{
typeDefinitions.AppendLine();
typeDefinitions.Append(GetCodeForDelegate(nodeType));
}
if (nodeType.HasStaticConstructor)
{
_statics.AppendLine();
_statics.Append("bool __cctor_" + GetCppTypeName(nodeType).Replace("::", "__") + ";");
}
List<MethodDesc> methodList;
if (_methodLists.TryGetValue(nodeType, out methodList))
{
foreach (var m in methodList)
{
typeDefinitions.AppendLine();
AppendCppMethodDeclaration(typeDefinitions, m, false);
}
}
}
typeDefinitions.AppendEmptyLine();
typeDefinitions.Append("};");
typeDefinitions.AppendEmptyLine();
typeDefinitions.Exdent();
while (nesting > 0)
{
forwardDefinitions.Append("};");
typeDefinitions.Append("};");
typeDefinitions.Exdent();
nesting--;
}
typeDefinitions.AppendEmptyLine();
// declare method table
if (!nodeType.IsPointer && !nodeType.IsByRef)
{
methodTable.Append(GetCodeForObjectNode(typeNode as ObjectNode, factory));
methodTable.AppendEmptyLine();
}
}
private void OutputType(CppGenerationBuffer sb, TypeDesc t, bool full)
{
_emittedTypes.Add(t);
if (full)
{
if (!t.IsValueType)
{
var baseType = t.BaseType;
if (baseType != null)
{
if (!_emittedTypes.Contains(baseType))
{
OutputType(sb, baseType, full);
}
}
}
foreach (var field in t.GetFields())
{
var fieldType = GetFieldTypeOrPlaceholder(field);
if (fieldType.IsValueType && !fieldType.IsPrimitive && !field.IsStatic)
{
if (!_emittedTypes.Contains(fieldType))
{
OutputType(sb, fieldType, full);
}
}
}
}
string mangledName = GetCppTypeName(t);
int nesting = 0;
int current = 0;
// Create Namespaces. If a mangledName starts with just :: we will simply ignore it.
sb.AppendLine();
for (;;)
{
int sep = mangledName.IndexOf("::", current);
if (sep < 0)
break;
if (sep != 0)
{
// Case of a name not starting with ::
sb.Append("namespace " + mangledName.Substring(current, sep - current) + " { ");
nesting++;
}
current = sep + 2;
}
if (full)
{
sb.Append("class " + mangledName.Substring(current));
if (!t.IsValueType)
{
if (t.BaseType != null)
{
sb.Append(" : public " + GetCppTypeName(t.BaseType));
}
}
sb.Append(" {");
sb.AppendLine();
sb.Append("public:");
sb.Indent();
// TODO: Enable once the dependencies are tracked for arrays
// if (((DependencyNode)_compilation.NodeFactory.ConstructedTypeSymbol(t)).Marked)
if (!t.IsPointer && !t.IsByRef)
{
sb.AppendLine();
sb.Append("static MethodTable * __getMethodTable();");
}
IReadOnlyList<MethodDesc> virtualSlots = _compilation.NodeFactory.VTable(t).Slots;
int baseSlots = 0;
var baseType = t.BaseType;
while (baseType != null)
{
IReadOnlyList<MethodDesc> baseVirtualSlots = _compilation.NodeFactory.VTable(baseType).Slots;
if (baseVirtualSlots != null)
baseSlots += baseVirtualSlots.Count;
baseType = baseType.BaseType;
}
for (int slot = 0; slot < virtualSlots.Count; slot++)
{
MethodDesc virtualMethod = virtualSlots[slot];
sb.AppendLine();
sb.Append(GetCodeForVirtualMethod(virtualMethod, baseSlots + slot));
}
if (t.IsDelegate)
{
sb.AppendLine();
sb.Append(GetCodeForDelegate(t));
}
OutputTypeFields(sb, t);
if (t.HasStaticConstructor)
{
_statics.AppendLine();
_statics.Append("bool __cctor_" + GetCppTypeName(t).Replace("::", "__") + ";");
}
List<MethodDesc> methodList;
if (_methodLists.TryGetValue(t, out methodList))
{
foreach (var m in methodList)
{
OutputMethod(sb, m);
}
}
sb.Exdent();
sb.AppendLine();
sb.Append("};");
}
else
{
sb.Append("class " + mangledName.Substring(current) + ";");
}
while (nesting > 0)
{
sb.Append("};");
nesting--;
}
// Make some rooms between two type definitions
if (full)
sb.AppendEmptyLine();
}
private void OutputMainMethodStub(MethodDesc entrypoint)
{
var sb = new CppGenerationBuffer();
sb.AppendLine();
if (_compilation.TypeSystemContext.Target.OperatingSystem == TargetOS.Windows)
{
sb.Append("int wmain(int argc, wchar_t * argv[]) { ");
}
else
{
sb.Append("int main(int argc, char * argv[]) {");
}
sb.Indent();
sb.AppendLine();
sb.Append("if (__initialize_runtime() != 0)");
sb.Indent();
sb.AppendLine();
sb.Append("return -1;");
sb.Exdent();
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("ReversePInvokeFrame frame;");
sb.AppendLine();
sb.Append("__reverse_pinvoke(&frame);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("::System_Private_CoreLib::Internal::Runtime::CompilerHelpers::StartupCodeHelpers::InitializeModules((intptr_t)RtRHeaderWrapper(), 2);");
sb.AppendLine();
sb.Append("int ret = ");
sb.Append(GetCppMethodDeclarationName(entrypoint.OwningType, GetCppMethodName(entrypoint)));
sb.Append("(argc, (intptr_t)argv);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("__reverse_pinvoke_return(&frame);");
sb.AppendLine();
sb.Append("__shutdown_runtime();");
sb.AppendLine();
sb.Append("return ret;");
sb.Exdent();
sb.AppendLine();
sb.Append("}");
Out.Write(sb.ToString());
}
public void OutputCode(IEnumerable<DependencyNode> nodes, MethodDesc entrypoint)
{
BuildMethodLists(nodes);
ExpandTypes();
Out.WriteLine("#include \"common.h\"");
Out.WriteLine("#include \"CppCodeGen.h\"");
Out.WriteLine();
Out.Write("/* Forward type definitions */");
OutputTypes(false);
Out.WriteLine();
Out.WriteLine();
Out.Write("/* Type definitions */");
OutputTypes(true);
var sb = new CppGenerationBuffer();
foreach (var externC in _externCSignatureMap)
{
string importName = externC.Key;
// TODO: hacky special-case
if (importName != "memmove" && importName != "malloc") // some methods are already declared by the CRT headers
{
sb.AppendLine();
sb.Append(GetCppMethodDeclaration(null, false, importName, externC.Value));
}
}
Out.Write(sb.ToString());
sb.Clear();
foreach (var t in _cppSignatureNames.Keys)
{
// TODO: Enable once the dependencies are tracked for arrays
// if (((DependencyNode)_compilation.NodeFactory.ConstructedTypeSymbol(t)).Marked)
if (!t.IsPointer && !t.IsByRef)
{
sb.AppendLine();
sb.Append(GetCodeForType(t));
}
List<MethodDesc> methodList;
if (_methodLists.TryGetValue(t, out methodList))
{
foreach (var m in methodList)
{
var methodCodeNode = (CppMethodCodeNode)_compilation.NodeFactory.MethodEntrypoint(m);
sb.AppendLine();
sb.Append(methodCodeNode.CppCode);
var alternateName = _compilation.NodeFactory.GetSymbolAlternateName(methodCodeNode);
if (alternateName != null)
{
sb.AppendLine();
sb.Append(GetCppMethodDeclaration(m, true, alternateName));
sb.AppendLine();
sb.Append("{");
sb.Indent();
sb.AppendLine();
if (!m.Signature.ReturnType.IsVoid)
{
sb.Append("return ");
}
sb.Append(GetCppMethodDeclarationName(m.OwningType, GetCppMethodName(m)));
sb.Append("(");
sb.Append(GetCppMethodCallParamList(m));
sb.Append(");");
sb.Exdent();
sb.AppendLine();
sb.Append("}");
}
}
}
}
Out.Write(sb.ToString());
sb.Clear();
if (entrypoint != null)
{
// Stub for main method
sb.AppendLine();
if (_compilation.TypeSystemContext.Target.OperatingSystem == TargetOS.Windows)
{
sb.Append("int wmain(int argc, wchar_t * argv[]) { ");
}
else
{
sb.Append("int main(int argc, char * argv[]) {");
}
sb.Indent();
sb.AppendLine();
sb.Append("if (__initialize_runtime() != 0)");
sb.Indent();
sb.AppendLine();
sb.Append("return -1;");
sb.Exdent();
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("ReversePInvokeFrame frame;");
sb.AppendLine();
sb.Append("__reverse_pinvoke(&frame);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("int ret = ");
sb.Append(GetCppMethodDeclarationName(entrypoint.OwningType, GetCppMethodName(entrypoint)));
sb.Append("(argc, (intptr_t)argv);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("__reverse_pinvoke_return(&frame);");
sb.AppendLine();
sb.Append("__shutdown_runtime();");
sb.AppendLine();
sb.Append("return ret;");
sb.Exdent();
sb.AppendLine();
sb.Append("}");
}
Out.Write(sb.ToString());
sb.Clear();
Out.Dispose();
}
public void OutputCode(IEnumerable<DependencyNode> nodes, MethodDesc entrypoint, NodeFactory factory)
{
var sb = new CppGenerationBuffer();
BuildMethodLists(nodes);
ExpandTypes();
Out.WriteLine("#include \"common.h\"");
Out.WriteLine("#include \"CppCodeGen.h\"");
Out.WriteLine();
_statics = new CppGenerationBuffer();
_statics.Indent();
_gcStatics = new CppGenerationBuffer();
_gcStatics.Indent();
_threadStatics = new CppGenerationBuffer();
_threadStatics.Indent();
_gcThreadStatics = new CppGenerationBuffer();
_gcThreadStatics.Indent();
var methodImplementations = new CppGenerationBuffer();
OutputNodes(nodes, entrypoint, factory, sb, methodImplementations);
Out.Write(sb.ToString());
sb.Clear();
Out.Write("struct {");
Out.Write(_statics.ToString());
Out.Write("} __statics;");
Out.Write("struct {");
Out.Write(_gcStatics.ToString());
Out.Write("} __gcStatics;");
Out.Write("struct {");
Out.Write(_gcStatics.ToString());
Out.Write("} __gcThreadStatics;");
foreach (var externC in _externCSignatureMap)
{
string importName = externC.Key;
// TODO: hacky special-case
if (importName != "memmove" && importName != "malloc") // some methods are already declared by the CRT headers
{
sb.AppendLine();
sb.Append(GetCppMethodDeclaration(null, false, importName, externC.Value));
}
}
Out.Write(sb.ToString());
sb.Clear();
Out.Write(methodImplementations.ToString());
methodImplementations.Clear();
if (entrypoint != null)
{
// Stub for main method
sb.AppendLine();
if (_compilation.TypeSystemContext.Target.OperatingSystem == TargetOS.Windows)
{
sb.Append("int wmain(int argc, wchar_t * argv[]) { ");
}
else
{
sb.Append("int main(int argc, char * argv[]) {");
}
sb.Indent();
sb.AppendLine();
sb.Append("if (__initialize_runtime() != 0)");
sb.Indent();
sb.AppendLine();
sb.Append("return -1;");
sb.Exdent();
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("ReversePInvokeFrame frame;");
sb.AppendLine();
sb.Append("__reverse_pinvoke(&frame);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("int ret = ");
sb.Append(GetCppMethodDeclarationName(entrypoint.OwningType, GetCppMethodName(entrypoint)));
sb.Append("(argc, (intptr_t)argv);");
sb.AppendEmptyLine();
sb.AppendLine();
sb.Append("__reverse_pinvoke_return(&frame);");
sb.AppendLine();
sb.Append("__shutdown_runtime();");
sb.AppendLine();
sb.Append("return ret;");
sb.Exdent();
sb.AppendLine();
sb.Append("}");
}
Out.Write(sb.ToString());
sb.Clear();
Out.Dispose();
}