void EvaluateAssignmentExpression(AssignmentExpression exp)
{
ConstantType val = EvaluateArithmeticExpression(exp.GetExpression());
Variable variable;
if (m_Context.GetState().GetVariable(exp.GetVariable().GetName().Value, out variable))
{
variable.SetValue(Variable.GetValueFromConstant(variable.GetVariableType(), val));
}
}
string GetAssignmentExpressionString(AssignmentExpression exp)
{
string retVal;
string rhs = GetArithmeticExpressionString(exp.GetExpression());
string variableName = exp.GetVariable().GetName().Value;
retVal = variableName + " = " + rhs;
return(retVal);
}
VariableType ValidateAssignmentExpression(AssignmentExpression assignment, out bool valid)
{
bool expressionValid = true;
VariableType returnType = VariableType.INT;
valid = true;
VariableType varType = (VariableType)assignment.GetVariable().GetType2().Value;
VariableType expressionType = ValidateArithmeticExpression(assignment.GetExpression(), out expressionValid);
bool typesValid = IsTypeCompatible(varType, expressionType, out returnType);
valid = typesValid && expressionValid;
return(returnType);
}