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()); }