internal override ExpressionType EmitCs(EmitCodeContext codecontext)
{
// l = r
VariableUse lValueVariable = (VariableUse)LValue;
ExpressionType lType = codecontext.GetLocalVarType(Position, lValueVariable.VariableName);
if (lType == null)
{
throw new GeneratorException(Position, lValueVariable.VariableName + " is not declared.");
}
if (lType.ListOf != null)
{
throw new GeneratorException(Position, "Unable to assign to a list.");
}
// TODO: lValue cannot be the method argument, unable to assign to the method argument, only adding to lists or modifying object properties.
// arg1 = .. // error
// arg1.prop1 = ... // ok
// arg2[] = ... // ok
codecontext.Write(lValueVariable.VariableName + " = ");
ExpressionType rType = RValue.EmitCs(codecontext);
if (!(lType.Equals(rType)))
{
throw new GeneratorException(Position, "Type mishmash.");
}
return(lType);
}
public ExpressionAddElement(ExprPosition position, VariableUse lvalue, Expression rvalue)
: base(position)
{
this.lvalue = lvalue;
this.rvalue = rvalue;
}