private static int GetCodedIndexSize(TablesHeap heap, CodedTokenId id, int [] rows)
{
int res = 0;
switch (id) {
case CodedTokenId.TypeDefOrRef :
res = MDUtils.Max(rows [(int) TableId.TypeDef], rows [(int) TableId.TypeRef], rows [(int) TableId.TypeSpec]);
res = res < (1 << (16 - 2)) ? 2 : 4;
break;
case CodedTokenId.HasConstant :
res = MDUtils.Max(rows [(int) TableId.Field], rows [(int) TableId.Param], rows [(int) TableId.Property]);
res = res < (1 << (16 - 2)) ? 2 : 4;
break;
case CodedTokenId.HasCustomAttribute :
res = MDUtils.Max(rows [(int) TableId.Method], rows [(int) TableId.Field], rows [(int) TableId.TypeRef], rows [(int) TableId.TypeDef], rows [(int) TableId.Param], rows [(int) TableId.InterfaceImpl], rows [(int) TableId.MemberRef], rows [(int) TableId.Module], rows [(int) TableId.DeclSecurity], rows [(int) TableId.Property], rows [(int) TableId.Event], rows [(int) TableId.StandAloneSig], rows [(int) TableId.ModuleRef], rows [(int) TableId.TypeSpec], rows [(int) TableId.Assembly], rows [(int) TableId.AssemblyRef], rows [(int) TableId.File], rows [(int) TableId.ExportedType], rows [(int) TableId.ManifestResource]);
res = res < (1 << (16 - 5)) ? 2 : 4;
break;
case CodedTokenId.HasFieldMarshal :
res = MDUtils.Max(rows [(int) TableId.Field], rows [(int) TableId.Param]);
res = res < (1 << (16 - 1)) ? 2 : 4;
break;
case CodedTokenId.HasDeclSecurity :
res = MDUtils.Max(rows [(int) TableId.TypeDef], rows [(int) TableId.Method], rows [(int) TableId.Assembly]);
res = res < (1 << (16 - 2)) ? 2 : 4;
break;
case CodedTokenId.MemberRefParent :
res = MDUtils.Max(rows [(int) TableId.TypeDef], rows [(int) TableId.TypeRef], rows [(int) TableId.ModuleRef], rows [(int) TableId.Method], rows [(int) TableId.TypeSpec]);
res = res < (1 << (16 - 3)) ? 2 : 4;
break;
case CodedTokenId.HasSemantics :
res = MDUtils.Max(rows [(int) TableId.Event], rows [(int) TableId.Property]);
res = res < (1 << (16 - 1)) ? 2 : 4;
break;
case CodedTokenId.MethodDefOrRef :
res = MDUtils.Max(rows [(int) TableId.Method], rows [(int) TableId.MemberRef]);
res = res < (1 << (16 - 1)) ? 2 : 4;
break;
case CodedTokenId.MemberForwarded :
res = MDUtils.Max(rows [(int) TableId.Field], rows [(int) TableId.Method]);
res = res < (1 << (16 - 1)) ? 2 : 4;
break;
case CodedTokenId.Implementation :
res = MDUtils.Max(rows [(int) TableId.File], rows [(int) TableId.AssemblyRef], rows [(int) TableId.ExportedType]);
res = res < (1 << (16 - 2)) ? 2 : 4;
break;
case CodedTokenId.CustomAttributeType :
res = MDUtils.Max(rows [(int) TableId.TypeRef], rows [(int) TableId.TypeDef], rows [(int) TableId.Method], rows [(int) TableId.MemberRef], (heap.StringsIndexSize > 2 ? 1 << 17 : 1));
res = res < (1 << (16 - 3)) ? 2 : 4;
break;
case CodedTokenId.ResolutionScope :
res = MDUtils.Max(rows [(int) TableId.Module], rows [(int) TableId.ModuleRef], rows [(int) TableId.AssemblyRef], rows [(int) TableId.TypeRef]);
res = res < (1 << (16 - 2)) ? 2 : 4;
break;
default:
break;
}
return res;
}
/// <summary>
/// </summary>
/// <remarks>
/// </remarks>
public static MDToken DecodeToken(CodedTokenId id, int data)
{
MDToken res = new MDToken();
int tag;
int rid;
TokenType tok;
switch (id) {
case CodedTokenId.TypeDefOrRef :
tag = data & 0x03;
rid = (int) ((uint) data >> 2);
switch (tag) {
case 0 :
tok = TokenType.TypeDef;
break;
case 1 :
tok = TokenType.TypeRef;
break;
case 2 :
tok = TokenType.TypeSpec;
break;
default :
throw new BadMetaDataException("Invalid coded token for TypeDefOrRef, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.HasConstant :
tag = data & 0x03;
rid = (int) ((uint) data >> 2);
switch (tag) {
case 0 :
tok = TokenType.FieldDef;
break;
case 1 :
tok = TokenType.ParamDef;
break;
case 2 :
tok = TokenType.Property;
break;
default :
throw new BadMetaDataException("Invalid coded token for HasConstant, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.HasCustomAttribute :
tag = data & 0x1F;
rid = (int) ((uint) data >> 5);
switch (tag) {
case 0 :
tok = TokenType.MethodDef;
break;
case 1 :
tok = TokenType.FieldDef;
break;
case 2 :
tok = TokenType.TypeRef;
break;
case 3 :
tok = TokenType.TypeDef;
break;
case 4 :
tok = TokenType.ParamDef;
break;
case 5 :
tok = TokenType.InterfaceImpl;
break;
case 6 :
tok = TokenType.MemberRef;
break;
case 7 :
tok = TokenType.Module;
break;
case 8 :
tok = TokenType.Permission;
break;
case 9 :
tok = TokenType.Property;
break;
case 10 :
tok = TokenType.Event;
break;
case 11 :
tok = TokenType.Signature;
break;
case 12 :
tok = TokenType.ModuleRef;
break;
case 13 :
tok = TokenType.TypeSpec;
break;
case 14 :
tok = TokenType.Assembly;
break;
case 15 :
tok = TokenType.AssemblyRef;
break;
case 16 :
tok = TokenType.File;
break;
case 17 :
tok = TokenType.ExportedType;
break;
case 18 :
tok = TokenType.ManifestResource;
break;
default :
throw new BadMetaDataException("Invalid coded token for HasCustomAttribute, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.HasFieldMarshal :
tag = data & 0x01;
rid = (int) ((uint) data >> 1);
switch (tag) {
case 0 :
tok = TokenType.FieldDef;
break;
case 1 :
tok = TokenType.ParamDef;
break;
default :
throw new BadMetaDataException("Invalid coded token for HasFieldMarshal, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.HasDeclSecurity :
tag = data & 0x03;
rid = (int) ((uint) data >> 2);
switch (tag) {
case 0 :
tok = TokenType.TypeDef;
break;
case 1 :
tok = TokenType.MethodDef;
break;
case 2 :
tok = TokenType.Assembly;
break;
default :
throw new BadMetaDataException("Invalid coded token for HasDeclSecurity, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.MemberRefParent :
tag = data & 0x07;
rid = (int) ((uint) data >> 3);
switch (tag) {
case 0 :
tok = TokenType.TypeDef;
break;
case 1 :
tok = TokenType.TypeRef;
break;
case 2 :
tok = TokenType.ModuleRef;
break;
case 3 :
tok = TokenType.MethodDef;
break;
case 4 :
tok = TokenType.TypeSpec;
break;
default :
throw new BadMetaDataException("Invalid coded token for MemberRefParent, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.HasSemantics :
tag = data & 0x01;
rid = (int) ((uint) data >> 1);
switch (tag) {
case 0 :
tok = TokenType.Event;
break;
case 1 :
tok = TokenType.Property;
break;
default :
throw new BadMetaDataException("Invalid coded token for HasSemantics, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.MethodDefOrRef :
tag = data & 0x01;
rid = (int) ((uint) data >> 1);
switch (tag) {
case 0 :
tok = TokenType.MethodDef;
break;
case 1 :
tok = TokenType.MemberRef;
break;
default :
throw new BadMetaDataException("Invalid coded token for MethodDefOrRef, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.MemberForwarded :
tag = data & 0x01;
rid = (int) ((uint) data >> 1);
switch (tag) {
case 0 :
tok = TokenType.FieldDef;
break;
case 1 :
tok = TokenType.MethodDef;
break;
default :
throw new BadMetaDataException("Invalid coded token for MemberForwarded, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.Implementation :
tag = data & 0x03;
rid = (int) ((uint) data >> 2);
switch (tag) {
case 0 :
tok = TokenType.File;
break;
case 1 :
tok = TokenType.AssemblyRef;
break;
case 2 :
tok = TokenType.ExportedType;
break;
default :
throw new BadMetaDataException("Invalid coded token for Implementation, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.CustomAttributeType :
tag = data & 0x07;
rid = (int) ((uint) data >> 3);
switch (tag) {
case 0 :
tok = TokenType.TypeRef;
break;
case 1 :
tok = TokenType.TypeDef;
break;
case 2 :
tok = TokenType.MethodDef;
break;
case 3 :
tok = TokenType.MemberRef;
break;
case 4 :
tok = TokenType.String;
break;
default :
throw new BadMetaDataException("Invalid coded token for CustomAttributeType, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
case CodedTokenId.ResolutionScope :
tag = data & 0x03;
rid = (int) ((uint) data >> 2);
switch (tag) {
case 0 :
tok = TokenType.Module;
break;
case 1 :
tok = TokenType.ModuleRef;
break;
case 2 :
tok = TokenType.AssemblyRef;
break;
case 3 :
tok = TokenType.TypeRef;
break;
default :
throw new BadMetaDataException("Invalid coded token for ResolutionScope, unknown table tag - " + tag);
}
res = new MDToken(tok, rid);
break;
default:
break;
}
return res;
}
