private void OutputTypes(bool full)
{
var sb = new CppGenerationBuffer();
if (full)
{
_statics = new CppGenerationBuffer();
_statics.Indent();
_gcStatics = new CppGenerationBuffer();
_gcStatics.Indent();
_threadStatics = new CppGenerationBuffer();
_threadStatics.Indent();
_gcThreadStatics = new CppGenerationBuffer();
_gcThreadStatics.Indent();
}
_emittedTypes = new HashSet<TypeDesc>();
foreach (var t in _cppSignatureNames.Keys)
{
if (t.IsByRef || t.IsPointer)
continue;
// Base class types and valuetype instantance field types may be emitted out-of-order to make them
// appear before they are used.
if (_emittedTypes.Contains(t))
continue;
OutputType(sb, t, full);
}
_emittedTypes = null;
if (full)
{
sb.AppendLine();
sb.Append("struct {");
// No need to indent or add a new line as _statics is already properly indented
sb.Append(_statics.ToString());
sb.AppendLine();
sb.Append("} __statics;");
// TODO: Register GC statics with GC
sb.AppendLine();
sb.Append("struct {");
// No need to indent or add a new line as _gcStatics is already properly indented
sb.Append(_gcStatics.ToString());
sb.AppendLine();
sb.Append("} __gcStatics;");
sb.AppendLine();
_statics = null;
_gcStatics = null;
_threadStatics = null;
_gcThreadStatics = null;
}
Out.Write(sb.ToString());
sb.Clear();
}
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();
}
/// <summary>
/// Output C++ code via a given dependency graph
/// </summary>
/// <param name="nodes">A set of dependency nodes</param>
/// <param name="entrypoint">Code entrypoint</param>
/// <param name="factory">Associated NodeFactory instance</param>
/// <param name="definitions">Text buffer in which the type and method definitions will be written</param>
/// <param name="implementation">Text buffer in which the method implementations will be written</param>
public void OutputNodes(IEnumerable<DependencyNode> nodes, MethodDesc entrypoint, NodeFactory factory, CppGenerationBuffer definitions, CppGenerationBuffer implementation)
{
CppGenerationBuffer forwardDefinitions = new CppGenerationBuffer();
CppGenerationBuffer typeDefinitions = new CppGenerationBuffer();
CppGenerationBuffer methodTables = new CppGenerationBuffer();
CppGenerationBuffer optionalFields = new CppGenerationBuffer();
DependencyNodeIterator nodeIterator = new DependencyNodeIterator(nodes);
// Output well-known types to avoid build errors
if (_wellKnownTypeNodes != null)
{
foreach (var wellKnownTypeNode in _wellKnownTypeNodes)
{
OutputTypeNode(wellKnownTypeNode, factory, forwardDefinitions, typeDefinitions, methodTables);
}
}
// Iterate through nodes
foreach (var node in nodeIterator.GetNodes())
{
if (node is EETypeNode && !_emittedTypes.Contains(((EETypeNode)node).Type))
OutputTypeNode(node as EETypeNode, factory, forwardDefinitions, typeDefinitions, methodTables);
else if (node is CppMethodCodeNode)
OutputMethodNode(node as CppMethodCodeNode, implementation);
else if (node is EETypeOptionalFieldsNode)
optionalFields.Append(GetCodeForObjectNode(node as EETypeOptionalFieldsNode, factory));
}
definitions.Append(forwardDefinitions.ToString());
forwardDefinitions.Clear();
definitions.Append(typeDefinitions.ToString());
typeDefinitions.Clear();
definitions.Append(methodTables.ToString());
methodTables.Clear();
definitions.Append(optionalFields.ToString());
optionalFields.Clear();
}
private void OutputTypes(bool full)
{
var sb = new CppGenerationBuffer();
if (full)
{
_statics = new CppGenerationBuffer();
_statics.Indent();
_gcStatics = new CppGenerationBuffer();
_gcStatics.Indent();
_threadStatics = new CppGenerationBuffer();
_threadStatics.Indent();
_gcThreadStatics = new CppGenerationBuffer();
_gcThreadStatics.Indent();
}
_emittedTypes = new HashSet<TypeDesc>();
foreach (var t in _cppSignatureNames.Keys)
{
if (t.IsByRef || t.IsPointer)
continue;
// Base class types and valuetype instantance field types may be emitted out-of-order to make them
// appear before they are used.
if (_emittedTypes.Contains(t))
continue;
OutputType(sb, t, full);
}
_emittedTypes = null;
if (full)
{
sb.AppendLine();
sb.Append("struct {");
// No need to indent or add a new line as _statics is already properly indented
sb.Append(_statics.ToString());
sb.AppendLine();
sb.Append("} __statics;");
// TODO: Register GC statics with GC
sb.AppendLine();
sb.Append("struct {");
// No need to indent or add a new line as _gcStatics is already properly indented
sb.Append(_gcStatics.ToString());
sb.AppendLine();
sb.Append("} __gcStatics;");
sb.AppendLine();
// @TODO_SDM: do for real - note: the 'extra' series are just testing the init syntax for 0-length arrays, they should be removed
// TODO: preinitialized 0-length arrays are not supported in CLang
sb.Append("#ifdef _MSC_VER");
sb.AppendLine();
sb.Append("StaticGcDesc __gcStaticsDescs = { 1, { { sizeof(__gcStatics), 0 }, { 123, 456 }, { 789, 101112 } } };");
sb.AppendLine();
sb.Append("#else");
sb.AppendLine();
sb.Append("StaticGcDesc __gcStaticsDescs;");
sb.AppendLine();
sb.Append("#endif");
sb.AppendLine();
sb.Append("SimpleModuleHeader __module = { &__gcStatics, &__gcStaticsDescs };");
_statics = null;
_gcStatics = null;
_threadStatics = null;
_gcThreadStatics = null;
}
Out.Write(sb.ToString());
sb.Clear();
}
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();
}