Cosmos/source/Indy.IL2CPU/Compiler/AssemblyCompiler.MetaDataInfoService.cs

392 lines
No EOL
20 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Indy.IL2CPU.IL;
using System.Reflection;
using Indy.IL2CPU.Assembler;
using Indy.IL2CPU.Plugs;
using System.Runtime.InteropServices;
namespace Indy.IL2CPU.Compiler
{
partial class AssemblyCompiler: IMetaDataInfoService
{
public MethodInformation GetMethodInfo(MethodBase aCurrentMethodForArguments,
MethodBase aCurrentMethodForLocals,
string aMethodName,
TypeInformation aTypeInfo,
bool aDebugMode)
{
return GetMethodInfo(aCurrentMethodForArguments, aCurrentMethodForLocals, aMethodName, aTypeInfo, aDebugMode, null);
}
public MethodInformation GetMethodInfo(MethodBase aMethod, bool aDebugMode)
{
return GetMethodInfo(aMethod, aMethod, Label.GenerateLabelName(aMethod), GetTypeInfo(aMethod.DeclaringType), aDebugMode);
}
public MethodInformation GetMethodInfo(MethodBase aCurrentMethodForArguments,
MethodBase aCurrentMethodForLocals,
string aMethodName,
TypeInformation aTypeInfo,
bool aDebugMode,
IDictionary<string, object> aMethodData)
{
MethodInformation xMethodInfo;
{
MethodInformation.Variable[] xVars = new MethodInformation.Variable[0];
int xCurOffset = 0;
// todo:implement check for body
//if (aCurrentMethodForLocals.HasBody) {
MethodBody xBody = aCurrentMethodForLocals.GetMethodBody();
if (xBody != null)
{
xVars = new MethodInformation.Variable[xBody.LocalVariables.Count];
foreach (LocalVariableInfo xVarDef in xBody.LocalVariables)
{
int xVarSize = (int)GetFieldStorageSize(xVarDef.LocalType);
if ((xVarSize % 4) != 0)
{
xVarSize += 4 - (xVarSize % 4);
}
xVars[xVarDef.LocalIndex] = new MethodInformation.Variable(xCurOffset,
xVarSize,
!xVarDef.LocalType.IsValueType,
xVarDef.LocalType);
// todo: implement support for generic parameters?
//if (!(xVarDef.VariableType is GenericParameter)) {
//RegisterType(xVarDef.LocalType);
//}
xCurOffset += xVarSize;
}
}
MethodInformation.Argument[] xArgs;
if (!aCurrentMethodForArguments.IsStatic)
{
ParameterInfo[] xParameters = aCurrentMethodForArguments.GetParameters();
xArgs = new MethodInformation.Argument[xParameters.Length + 1];
xCurOffset = 0;
uint xArgSize;
for (int i = xArgs.Length - 1; i > 0; i--)
{
ParameterInfo xParamDef = xParameters[i - 1];
xArgSize = GetFieldStorageSize(xParamDef.ParameterType);
if ((xArgSize % 4) != 0)
{
xArgSize += 4 - (xArgSize % 4);
}
MethodInformation.Argument.KindEnum xKind = MethodInformation.Argument.KindEnum.In;
if (xParamDef.IsOut)
{
if (xParamDef.IsIn)
{
xKind = MethodInformation.Argument.KindEnum.ByRef;
}
else
{
xKind = MethodInformation.Argument.KindEnum.Out;
}
}
xArgs[i] = new MethodInformation.Argument(xArgSize,
xCurOffset,
xKind,
!xParamDef.ParameterType.IsValueType,
GetTypeInfo(xParamDef.ParameterType),
xParamDef.ParameterType);
xCurOffset += (int)xArgSize;
}
xArgSize = 4;
// this
xArgs[0] = new MethodInformation.Argument(xArgSize,
xCurOffset,
MethodInformation.Argument.KindEnum.In,
!aCurrentMethodForArguments.DeclaringType.IsValueType,
GetTypeInfo(aCurrentMethodForArguments.DeclaringType),
aCurrentMethodForArguments.DeclaringType);
}
else
{
ParameterInfo[] xParameters = aCurrentMethodForArguments.GetParameters();
xArgs = new MethodInformation.Argument[xParameters.Length];
xCurOffset = 0;
for (int i = xArgs.Length - 1; i >= 0; i--)
{
ParameterInfo xParamDef = xParameters[i]; //xArgs.Length - i - 1];
uint xArgSize = GetFieldStorageSize(xParamDef.ParameterType);
if ((xArgSize % 4) != 0)
{
xArgSize += 4 - (xArgSize % 4);
}
MethodInformation.Argument.KindEnum xKind = MethodInformation.Argument.KindEnum.In;
if (xParamDef.IsOut)
{
if (xParamDef.IsIn)
{
xKind = MethodInformation.Argument.KindEnum.ByRef;
}
else
{
xKind = MethodInformation.Argument.KindEnum.Out;
}
}
xArgs[i] = new MethodInformation.Argument(xArgSize,
xCurOffset,
xKind,
!xParamDef.ParameterType.IsValueType,
GetTypeInfo(xParamDef.ParameterType),
xParamDef.ParameterType);
xCurOffset += (int)xArgSize;
}
}
int xResultSize = 0;// GetFieldStorageSize(aCurrentMethodForArguments.ReturnType.ReturnType);
MethodInfo xMethInfo = aCurrentMethodForArguments as MethodInfo;
Type xReturnType = typeof(void);
if (xMethInfo != null)
{
xResultSize = (int)GetFieldStorageSize(xMethInfo.ReturnType);
xReturnType = xMethInfo.ReturnType;
}
xMethodInfo = new MethodInformation(aMethodName,
xVars,
xArgs,
(uint)xResultSize,
!aCurrentMethodForArguments.IsStatic,
aTypeInfo,
aCurrentMethodForArguments,
xReturnType,
aDebugMode,
aMethodData);
}
return xMethodInfo;
}
public void GetTypeFieldInfoImpl(List<KeyValuePair<string, TypeInformation.Field>> aTypeFields,
Type aType,
ref uint aObjectStorageSize)
{
if (aType == null)
{
throw new ArgumentNullException("aType");
}
Type xActualType = aType;
Dictionary<string, PlugFieldAttribute> xCurrentPlugFieldList = new Dictionary<string, PlugFieldAttribute>();
do
{
if (mPlugFields.ContainsKey(aType))
{
var xOrigList = mPlugFields[aType];
foreach (var item in xOrigList)
{
xCurrentPlugFieldList.Add(item.Key,
item.Value);
}
}
foreach (FieldInfo xField in aType.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
if (xField.IsStatic)
{
continue;
}
if (xField.DeclaringType != aType)
{
// somehow this gives other results than including DeclaredOnly
continue;
}
//if (xField.HasConstant) {
// Console.WriteLine("Field is constant: " + xField.GetFullName());
//}
// todo: add support for constants?
PlugFieldAttribute xPlugFieldAttr = null;
if (xCurrentPlugFieldList.ContainsKey(xField.GetFullName()))
{
xPlugFieldAttr = xCurrentPlugFieldList[xField.GetFullName()];
xCurrentPlugFieldList.Remove(xField.GetFullName());
}
Type xFieldType = null;
int xFieldSize;
string xFieldId;
if (xPlugFieldAttr != null)
{
xFieldType = xPlugFieldAttr.FieldType;
xFieldId = xPlugFieldAttr.FieldId;
}
else
{
xFieldId = xField.GetFullName();
}
if (xFieldType == null)
{
xFieldType = xField.FieldType;
}
//if ((!xFieldType.IsValueType && aGCObjects && xFieldType.IsClass) || (xPlugFieldAttr != null && xPlugFieldAttr.IsExternalValue && aGCObjects)) {
// continue;
//}
if ((xFieldType.IsClass && !xFieldType.IsValueType) || (xPlugFieldAttr != null && xPlugFieldAttr.IsExternalValue))
{
xFieldSize = 4;
}
else
{
xFieldSize = (int)GetFieldStorageSize(xFieldType);
}
//}
if ((from item in aTypeFields
where item.Key == xFieldId
select item).Count() > 0)
{
continue;
}
int xOffset = (int)aObjectStorageSize;
FieldOffsetAttribute xOffsetAttrib = xField.GetCustomAttributes(typeof(FieldOffsetAttribute),
true).FirstOrDefault() as FieldOffsetAttribute;
if (xOffsetAttrib != null)
{
xOffset = xOffsetAttrib.Value;
}
else
{
aObjectStorageSize += (uint)xFieldSize;
xOffset = -1;
}
aTypeFields.Insert(0,
new KeyValuePair<string, TypeInformation.Field>(xField.GetFullName(),
new TypeInformation.Field(xFieldSize,
xFieldType.IsClass && !xFieldType.IsValueType,
xFieldType,
(xPlugFieldAttr != null && xPlugFieldAttr.IsExternalValue))
{
Offset = xOffset
}));
}
while (xCurrentPlugFieldList.Count > 0)
{
var xItem = xCurrentPlugFieldList.Values.First();
xCurrentPlugFieldList.Remove(xItem.FieldId);
Type xFieldType = xItem.FieldType;
int xFieldSize;
string xFieldId = xItem.FieldId;
if (xFieldType == null)
{
xFieldType = xItem.FieldType;
}
if (xFieldType == null)
{
LogMessage(LogSeverityEnum.Error, "Plugged field {0} not found! (On Type {1})", xItem.FieldId, aType.AssemblyQualifiedName);
}
if (xItem.IsExternalValue || (xFieldType.IsClass && !xFieldType.IsValueType))
{
xFieldSize = 4;
}
else
{
xFieldSize = (int)GetFieldStorageSize(xFieldType);
}
int xOffset = (int)aObjectStorageSize;
aObjectStorageSize += (uint)xFieldSize;
aTypeFields.Insert(0,
new KeyValuePair<string, TypeInformation.Field>(xItem.FieldId,
new TypeInformation.Field(xFieldSize,
xFieldType.IsClass && !xFieldType.IsValueType,
xFieldType,
xItem.IsExternalValue)));
}
if (aType.FullName != "System.Object" && aType.BaseType != null)
{
aType = aType.BaseType;
}
else
{
break;
}
} while (true);
}
public TypeInformation GetTypeInfo(Type aType)
{
if (aType.FullName == "System.Collections.Generic.Dictionary`2+Entry[[System.Guid, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.Object, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]")
{
Console.Write("");
}
TypeInformation xTypeInfo;
uint xObjectStorageSize;
IDictionary<string, TypeInformation.Field> xTypeFields = GetTypeFieldInfo(aType,
out xObjectStorageSize);
xTypeInfo = new TypeInformation(xObjectStorageSize,
xTypeFields,
aType,
(!aType.IsValueType) && aType.IsClass);
return xTypeInfo;
}
public string GetMethodIdLabel(MethodBase aMethod)
{
return Label.FilterStringForIncorrectChars(aMethod.GetFullName() + "__METHOD_ID");
}
public string GetTypeIdLabel(Type aType)
{
return Label.FilterStringForIncorrectChars(aType.AssemblyQualifiedName + "__TYPE_ID");
}
public IDictionary<string, TypeInformation.Field> GetTypeFieldInfo(MethodBase aCurrentMethod,
out uint aObjectStorageSize)
{
Type xCurrentInspectedType = aCurrentMethod.DeclaringType;
return GetTypeFieldInfo(xCurrentInspectedType,
out aObjectStorageSize);
}
public IDictionary<string, TypeInformation.Field> GetTypeFieldInfo(Type aType,
out uint aObjectStorageSize)
{
var xTypeFields = new List<KeyValuePair<string, TypeInformation.Field>>();
aObjectStorageSize = 0;
GetTypeFieldInfoImpl(xTypeFields,
aType,
ref aObjectStorageSize);
if (aType.IsExplicitLayout)
{
var xStructLayout = aType.StructLayoutAttribute;
if (xStructLayout.Size == 0)
{
aObjectStorageSize = (uint)((from item in xTypeFields
let xSize = item.Value.Offset + item.Value.Size
orderby xSize descending
select xSize).FirstOrDefault());
}
else
{
aObjectStorageSize = (uint)xStructLayout.Size;
}
}
int xOffset = 0;
Dictionary<string, TypeInformation.Field> xResult = new Dictionary<string, TypeInformation.Field>();
foreach (var item in xTypeFields)
{
var xItem = item.Value;
if (item.Value.Offset == -1)
{
xItem.Offset = xOffset;
xOffset += xItem.Size;
}
xResult.Add(item.Key,
xItem);
}
return xResult;
}
public uint GetObjectStorageSize(Type aType)
{
if (aType == null)
{
throw new ArgumentNullException("aType");
}
var xTypeInfo = GetTypeInfo(aType);
return xTypeInfo.NeedsGC
? xTypeInfo.StorageSize + ObjectImpl.FieldDataOffset
: xTypeInfo.StorageSize;
}
}
}