private static void Process(this ArrayElementAssignment arrayElementAssignment)
{
arrayElementAssignment.ArrayElementReference.Process();
arrayElementAssignment.AssignmentExpression.Process();
var arrItemType = arrayElementAssignment.ArrayElementReference.ReturnType
//.CastTo<ArrayReturnType>()
//.InnerType
;
if (arrItemType != arrayElementAssignment.AssignmentExpression.ReturnType)
{
if (arrayElementAssignment.AssignmentExpression.ReturnType.IsCastableTo(arrItemType))
{
arrayElementAssignment.AssignmentExpression.CastToType = arrItemType;
}
else
{
throw new ExpressionException($"Cannot assign to the element of array " +
$"{arrayElementAssignment.ArrayElementReference.Name} " +
$"({arrayElementAssignment.ArrayElementReference.ReturnType}) " +
$"expression of type {arrayElementAssignment.AssignmentExpression.ReturnType}");
}
}
//blockStatement.Statements.ForEach(st => st.Process());
}
public void GenerateArrayElementAssignment(ArrayElementAssignment arrayElementAssignmentNode, ILGenerator ilGenerator)
{
LoadOntoStack(arrayElementAssignmentNode.ArrayElementReference.Name, ilGenerator);
//load arr index onto stack
GenerateExpression(arrayElementAssignmentNode.ArrayElementReference.ArrayIndex, ilGenerator);
//load value onto stack
GenerateExpression(arrayElementAssignmentNode.AssignmentExpression, ilGenerator);
if (arrayElementAssignmentNode.ArrayElementReference.ReturnType.ConvertToType() == typeof(char))
{
ilGenerator.Emit(OpCodes.Stelem_I2);
}
else
{
if (arrayElementAssignmentNode.ArrayElementReference.ReturnType.ConvertToType() == typeof(bool))
{
ilGenerator.Emit(OpCodes.Stelem_I1);
}
else
{
ilGenerator.Emit(OpCodes.Stelem_I4);
}
}
}
private static IEnumerable <IInstruction> GetArrayElementAssignmentInstructions(
this ArrayElementAssignment arrayElementAssignment)
{
List <IInstruction> instructions = new List <IInstruction>();
instructions.Add(GetLoadInstruction(arrayElementAssignment.ArrayElementReference.ArrayDeclaration));
instructions.AddRange(arrayElementAssignment.ArrayElementReference.ArrayIndex.GetInstructions());
instructions.AddRange(arrayElementAssignment.AssignmentExpression.GetInstructions());
instructions.Add(GetArrayStoreInstruction(arrayElementAssignment.AssignmentExpression.ReturnType));
return(instructions);
}