mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-21 21:38:52 +00:00
245 lines
11 KiB
C#
245 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Indy.IL2CPU.Assembler;
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using System.Xml;
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using System.Reflection;
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using Indy.IL2CPU.Compiler;
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namespace Indy.IL2CPU.IL {
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public class MethodBaseComparer: IComparer<MethodBase>, IEqualityComparer<MethodBase> {
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#region IComparer<MethodBase> Members
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public int Compare(MethodBase x, MethodBase y) {
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return x.GetFullName().CompareTo(y.GetFullName());
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}
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#endregion
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public bool Equals(MethodBase x, MethodBase y) {
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return Compare(x, y) == 0;
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}
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public int GetHashCode(MethodBase obj) {
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return obj.GetFullName().GetHashCode();
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}
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}
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public abstract class InitVmtImplementationOp: Op {
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public delegate int GetMethodIdentifierEventHandler(MethodBase aMethod);
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public InitVmtImplementationOp(ILReader aReader, MethodInformation aMethodInfo)
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: base(aReader, aMethodInfo) {
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}
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private static readonly bool mDebugMode = false;
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static InitVmtImplementationOp() {
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// flag for conditional debug code for Matthijs, please leave it.
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mDebugMode = Environment.MachineName.Equals("laptop-matthijs", StringComparison.InvariantCultureIgnoreCase);
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}
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private IList<Type> mTypes;
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public MethodBase LoadTypeTableRef;
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public MethodBase SetTypeInfoRef;
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public MethodBase SetMethodInfoRef;
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public FieldInfo TypesFieldRef;
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public uint VTableEntrySize;
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public uint ArrayTypeId;
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public IList<MethodBase> Methods;
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public event GetMethodIdentifierEventHandler GetMethodIdentifier;
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public IList<Type> Types {
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get {
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return mTypes;
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}
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set {
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mTypes = value;
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}
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}
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protected abstract void Push(uint aValue);
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protected abstract void Push(string aLabelName);
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protected abstract void Call(MethodBase aMethod);
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protected abstract void Move(string aDestLabelName, int aValue);
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public override void DoAssemble() {
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string xTheName = DataMember.GetStaticFieldName(TypesFieldRef);
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DataMember xDataMember = (from item in Assembler.DataMembers
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where item.Name == xTheName
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select item).FirstOrDefault();
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if (xDataMember != null) {
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Assembler.DataMembers.Remove((from item in Assembler.DataMembers
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where item == xDataMember
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select item).First());
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}
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var xData = new byte[16 + (mTypes.Count * VTableEntrySize)];
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var xTemp = BitConverter.GetBytes(ArrayTypeId);
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xTemp = BitConverter.GetBytes(0x80000002);
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Array.Copy(xTemp, 0, xData, 4, 4);
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xTemp = BitConverter.GetBytes(mTypes.Count);
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Array.Copy(xTemp, 0, xData, 8, 4);
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xTemp = BitConverter.GetBytes(VTableEntrySize);
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Array.Copy(xTemp, 0, xData, 12, 4);
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Assembler.DataMembers.Add(new DataMember(xTheName + "__Contents", xData));
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Assembler.DataMembers.Add(new DataMember(xTheName, ElementReference.New(xTheName + "__Contents")));
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Push((uint)mTypes.Count);
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Call(LoadTypeTableRef);
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for (int i = 0; i < mTypes.Count; i++) {
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Type xType = mTypes[i];
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// value contains true if the method is an interface method definition
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SortedList<MethodBase, bool> xEmittedMethods = new SortedList<MethodBase, bool>(new MethodBaseComparer());
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foreach (MethodBase xMethod in xType.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)) {
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if (Methods.Contains(xMethod))//) && !xMethod.IsAbstract)
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{
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xEmittedMethods.Add(xMethod, false);
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}
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}
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foreach (MethodBase xCtor in xType.GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)) {
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if (Methods.Contains(xCtor))// && !xCtor.IsAbstract)
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{
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xEmittedMethods.Add(xCtor, false);
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}
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}
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foreach (var xIntf in xType.GetInterfaces()) {
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foreach (var xMethodIntf in xIntf.GetMethods()) {
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var xActualMethod = xType.GetMethod(xIntf.FullName + "." + xMethodIntf.Name,
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(from xParam in xMethodIntf.GetParameters()
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select xParam.ParameterType).ToArray());
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if (xActualMethod == null) {
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// get private implemenation
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xActualMethod = xType.GetMethod(xMethodIntf.Name,
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(from xParam in xMethodIntf.GetParameters()
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select xParam.ParameterType).ToArray());
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}
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if (xActualMethod == null) {
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try {
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var xMap = xType.GetInterfaceMap(xIntf);
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for (int k = 0; k < xMap.InterfaceMethods.Length; k++) {
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if (xMap.InterfaceMethods[k] == xMethodIntf) {
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xActualMethod = xMap.TargetMethods[k];
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break;
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}
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}
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} catch {
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}
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}
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if (Methods.Contains(xMethodIntf)) {
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if (!xEmittedMethods.ContainsKey(xMethodIntf)) {
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xEmittedMethods.Add(xMethodIntf,
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true);
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}
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}
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}
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}
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if (!xType.IsInterface) {
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Push((uint)i);
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}
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int? xBaseIndex = null;
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if (xType.BaseType == null) {
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xBaseIndex = i;
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} else {
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for (int t = 0; t < mTypes.Count; t++) {
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if (mTypes[t].ToString() == xType.BaseType.ToString()) {
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xBaseIndex = t;
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break;
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}
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}
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}
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if (xBaseIndex == null) {
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throw new Exception("Base type not found!");
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}
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for (int x = xEmittedMethods.Count - 1; x >= 0; x--) {
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if (!Methods.Contains(xEmittedMethods.Keys[x])) {
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xEmittedMethods.RemoveAt(x);
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}
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}
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if (!xType.IsInterface) {
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//Move(GetService<IMetaDataInfoService>().GetTypeIdLabel(xType), i);
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Assembler.DataMembers.Add(
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new DataMember(GetService<IMetaDataInfoService>().GetTypeIdLabel(xType), new int[] { i }));
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Push((uint)xBaseIndex.Value);
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//Push("0" + xEmittedMethods.Count.ToString("X") + "h");
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xData = new byte[16 + (xEmittedMethods.Count * 4)];
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xTemp = BitConverter.GetBytes(ArrayTypeId);
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Array.Copy(xTemp, 0, xData, 0, 4);
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xTemp = BitConverter.GetBytes(0x80000002); // embedded array
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Array.Copy(xTemp, 0, xData, 4, 4);
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xTemp = BitConverter.GetBytes(xEmittedMethods.Count); // embedded array
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Array.Copy(xTemp, 0, xData, 8, 4);
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xTemp = BitConverter.GetBytes(4); // embedded array
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Array.Copy(xTemp, 0, xData, 12, 4);
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string xDataName = "____SYSTEM____TYPE___" + DataMember.FilterStringForIncorrectChars(mTypes[i].AssemblyQualifiedName) + "__MethodIndexesArray";
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Assembler.DataMembers.Add(new DataMember(xDataName, xData));
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Push(xDataName);
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xDataName = "____SYSTEM____TYPE___" + DataMember.FilterStringForIncorrectChars(mTypes[i].AssemblyQualifiedName) + "__MethodAddressesArray";
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Assembler.DataMembers.Add(new DataMember(xDataName, xData));
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Push(xDataName);
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xData = new byte[16 + Encoding.Unicode.GetByteCount(mTypes[i].FullName + ", " + mTypes[i].Module.Assembly.GetName().FullName)];
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xTemp = BitConverter.GetBytes(ArrayTypeId);
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Array.Copy(xTemp, 0, xData, 0, 4);
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xTemp = BitConverter.GetBytes(0x80000002); // embedded array
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Array.Copy(xTemp, 0, xData, 4, 4);
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xTemp = BitConverter.GetBytes((mTypes[i].FullName + ", " + mTypes[i].Module.Assembly.GetName().FullName).Length);
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Array.Copy(xTemp, 0, xData, 8, 4);
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xTemp = BitConverter.GetBytes(2); // embedded array
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Array.Copy(xTemp, 0, xData, 12, 4);
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xDataName = "____SYSTEM____TYPE___" + DataMember.FilterStringForIncorrectChars(MethodInfoLabelGenerator.GetFullName(mTypes[i]));
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mAssembler.DataMembers.Add(new DataMember(xDataName, xData));
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Push((uint)xEmittedMethods.Count);
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//Push("0");
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Call(SetTypeInfoRef);
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}
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for (int j = 0; j < xEmittedMethods.Count; j++) {
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MethodBase xMethod = xEmittedMethods.Keys[j];
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var xMethodId = GetMethodIdentifier(xMethod);
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if (!xType.IsInterface) {
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if (xEmittedMethods.Values[j]) {
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var xNewMethod = xType.GetMethod(xMethod.DeclaringType.FullName + "." + xMethod.Name,
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(from xParam in xMethod.GetParameters()
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select xParam.ParameterType).ToArray());
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if (xNewMethod == null) {
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// get private implemenation
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xNewMethod = xType.GetMethod(xMethod.Name,
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(from xParam in xMethod.GetParameters()
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select xParam.ParameterType).ToArray());
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}
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if (xNewMethod == null) {
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try {
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var xMap = xType.GetInterfaceMap(xMethod.DeclaringType);
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for (int k = 0; k < xMap.InterfaceMethods.Length; k++) {
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if (xMap.InterfaceMethods[k] == xMethod) {
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xNewMethod = xMap.TargetMethods[k];
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break;
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}
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}
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} catch {
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}
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}
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xMethod = xNewMethod;
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}
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//Move(GetService<IMetaDataInfoService>().GetMethodIdLabel(xMethod), xMethodId);
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Assembler.DataMembers.Add(
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new DataMember(GetService<IMetaDataInfoService>().GetMethodIdLabel(xMethod),
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new int[] { xMethodId }));
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Push((uint)i);
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Push((uint)j);
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Push((uint)xMethodId);
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if (xMethod.IsAbstract) {
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// abstract methods dont have bodies, oiw, are not emitted
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Push(0);
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} else {
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var xTest = GetService<IMetaDataInfoService>().GetMethodInfo(xMethod, false);
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Push(xTest.LabelName);
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}
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//xDataValue = Encoding.ASCII.GetBytes(GetFullName(xMethod)).Aggregate("", (b, x) => b + x + ",") + "0";
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//xDataName = "____SYSTEM____METHOD___" + DataMember.FilterStringForIncorrectChars(GetFullName(xMethod));
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//mAssembler.DataMembers.Add(new DataMember(xDataName, "db", xDataValue));
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//Push(xDataName);
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Push(0);
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Call(SetMethodInfoRef);
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}
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}
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}
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}
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}
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}
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