private int GrabTemp(StackValueKind kind, int?exactSize)
{
var temp = new LocalVariableDescriptor()
{
IsParameter = false,
IsTemp = true,
Kind = kind,
ExactSize = exactSize ?? 0,
};
_localVariableTable.Add(temp);
return(_localVariableTable.Count - 1);
}
private void InitReturnBufferArg(TypeSig returnType, bool hasThis)
{
if (returnType.IsStruct())
{
var returnBuffer = new LocalVariableDescriptor()
{
IsParameter = true,
Kind = StackValueKind.ByRef,
IsTemp = false,
ExactSize = TypeList.GetExactSize(StackValueKind.ByRef),
};
// Ensure return buffer parameter goes after the this parameter if present
_returnBufferArgIndex = hasThis ? 1 : 0;
_localVariableTable.Insert(_returnBufferArgIndex.Value, returnBuffer);
_parameterCount++;
}
}
private void SetupLocalVariableTable(MethodDef method)
{
var body = method.MethodBody as CilBody;
// Setup local variable table - includes parameters as well as locals in method
for (int parameterIndex = 0; parameterIndex < method.Parameters.Count; parameterIndex++)
{
var kind = method.Parameters[parameterIndex].Type.GetStackValueKind();
var local = new LocalVariableDescriptor()
{
IsParameter = true,
Kind = kind,
IsTemp = false,
Name = method.Parameters[parameterIndex].Name,
ExactSize = method.Parameters[parameterIndex].Type.GetExactSize(),
};
_localVariableTable.Add(local);
}
if (body != null)
{
for (int variableIndex = 0; variableIndex < body.Variables.Count; variableIndex++)
{
var kind = body.Variables[variableIndex].Type.GetStackValueKind();
var local = new LocalVariableDescriptor()
{
IsParameter = false,
Kind = kind,
IsTemp = false,
Name = body.Variables[variableIndex].Name,
ExactSize = body.Variables[variableIndex].Type.GetExactSize(),
};
_localVariableTable.Add(local);
}
}
if (method.HasReturnType)
{
var returnType = method.ReturnType;
InitReturnBufferArg(returnType, method.HasThis);
}
}
