private String GetCodeForObjectNode(ObjectNode node, NodeFactory factory)
{
// virtual slots
var nodeData = node.GetData(factory, false);
CppGenerationBuffer nodeCode = new CppGenerationBuffer();
/* Create list of byte data. Used to divide contents between reloc and byte data
* First val - isReloc
* Second val - size of byte data if first value of tuple is false
*/
List<NodeDataSection> nodeDataSections = new List<NodeDataSection>();
byte[] actualData = new byte[nodeData.Data.Length];
Relocation[] relocs = nodeData.Relocs;
int nextRelocOffset = -1;
int nextRelocIndex = -1;
int lastByteIndex = 0;
if (relocs.Length > 0)
{
nextRelocOffset = relocs[0].Offset;
nextRelocIndex = 0;
}
int i = 0;
int offset = 0;
CppGenerationBuffer nodeDataDecl = new CppGenerationBuffer();
if (node is ISymbolNode)
{
offset = (node as ISymbolNode).Offset;
i = offset;
lastByteIndex = offset;
}
while (i < nodeData.Data.Length)
{
if (i == nextRelocOffset)
{
Relocation reloc = relocs[nextRelocIndex];
int size = _compilation.TypeSystemContext.Target.PointerSize;
// Make sure we've gotten the correct size for the reloc
System.Diagnostics.Debug.Assert(reloc.RelocType == (size == 8 ? RelocType.IMAGE_REL_BASED_DIR64 : RelocType.IMAGE_REL_BASED_HIGHLOW));
// Update nextRelocIndex/Offset
if (++nextRelocIndex < relocs.Length)
{
nextRelocOffset = relocs[nextRelocIndex].Offset;
}
nodeDataSections.Add(new NodeDataSection(NodeDataSectionType.Relocation, size));
i += size;
lastByteIndex = i;
}
else
{
i++;
if (i + 1 == nextRelocOffset || i + 1 == nodeData.Data.Length)
{
nodeDataSections.Add(new NodeDataSection(NodeDataSectionType.ByteData, (i + 1) - lastByteIndex));
}
}
}
nodeCode.Append("MethodTable * ");
if (node is EETypeNode)
{
nodeCode.Append(GetCppMethodDeclarationName((node as EETypeNode).Type, "__getMethodTable"));
}
else
{
nodeCode.Append(node.GetName());
}
nodeCode.Append("()");
nodeCode.AppendLine();
nodeCode.Append("{");
nodeCode.Indent();
nodeCode.AppendLine();
nodeCode.Append("static struct {");
nodeCode.AppendLine();
nodeCode.Append(GetCodeForNodeStruct(nodeDataSections, node));
nodeCode.AppendLine();
nodeCode.Append("} mt = {");
nodeCode.Append(GetCodeForNodeData(nodeDataSections, relocs, nodeData.Data, node, offset));
nodeCode.Append("};");
nodeCode.AppendLine();
nodeCode.Append("return (MethodTable *)&mt;");
nodeCode.Exdent();
nodeCode.AppendLine();
nodeCode.Append("}");
return nodeCode.ToString();
}
private String GetCodeForObjectNode(ObjectNode node, NodeFactory factory)
{
// virtual slots
var nodeData = node.GetData(factory, false);
CppGenerationBuffer nodeCode = new CppGenerationBuffer();
/* Create list of byte data. Used to divide contents between reloc and byte data
* First val - isReloc
* Second val - size of byte data if first value of tuple is false
*/
List <NodeDataSection> nodeDataSections = new List <NodeDataSection>();
byte[] actualData = new byte[nodeData.Data.Length];
Relocation[] relocs = nodeData.Relocs;
int nextRelocOffset = -1;
int nextRelocIndex = -1;
int lastByteIndex = 0;
if (relocs.Length > 0)
{
nextRelocOffset = relocs[0].Offset;
nextRelocIndex = 0;
}
int i = 0;
int offset = 0;
CppGenerationBuffer nodeDataDecl = new CppGenerationBuffer();
if (node is ISymbolNode)
{
offset = (node as ISymbolNode).Offset;
i = offset;
lastByteIndex = offset;
}
while (i < nodeData.Data.Length)
{
if (i == nextRelocOffset)
{
Relocation reloc = relocs[nextRelocIndex];
int size = _compilation.TypeSystemContext.Target.PointerSize;
// Make sure we've gotten the correct size for the reloc
System.Diagnostics.Debug.Assert(reloc.RelocType == (size == 8 ? RelocType.IMAGE_REL_BASED_DIR64 : RelocType.IMAGE_REL_BASED_HIGHLOW));
// Update nextRelocIndex/Offset
if (++nextRelocIndex < relocs.Length)
{
nextRelocOffset = relocs[nextRelocIndex].Offset;
}
nodeDataSections.Add(new NodeDataSection(NodeDataSectionType.Relocation, size));
i += size;
lastByteIndex = i;
}
else
{
i++;
if (i + 1 == nextRelocOffset || i + 1 == nodeData.Data.Length)
{
nodeDataSections.Add(new NodeDataSection(NodeDataSectionType.ByteData, (i + 1) - lastByteIndex));
}
}
}
nodeCode.Append("MethodTable * ");
if (node is EETypeNode)
{
nodeCode.Append(GetCppMethodDeclarationName((node as EETypeNode).Type, "__getMethodTable"));
}
else
{
nodeCode.Append(node.GetName());
}
nodeCode.Append("()");
nodeCode.AppendLine();
nodeCode.Append("{");
nodeCode.Indent();
nodeCode.AppendLine();
nodeCode.Append("static struct {");
nodeCode.AppendLine();
nodeCode.Append(GetCodeForNodeStruct(nodeDataSections, node));
nodeCode.AppendLine();
nodeCode.Append("} mt = {");
nodeCode.Append(GetCodeForNodeData(nodeDataSections, relocs, nodeData.Data, node, offset));
nodeCode.Append("};");
nodeCode.AppendLine();
nodeCode.Append("return (MethodTable *)&mt;");
nodeCode.Exdent();
nodeCode.AppendLine();
nodeCode.Append("}");
return(nodeCode.ToString());
}
