/// <summary>
/// Carries the out operation.
/// </summary>
/// <param name="node">The <paramref name="node" />.</param>
/// <returns><see cref="object"/>.</returns>
internal static object CarryOutOperation(Nodes.Node node)
{
switch (node.Token.TokenType)
{
case Token.TokenTypes.Addition:
{
switch (node.Token.TokenValue)
{
case '+':
return(Operations.Add((Nodes.Diadic)node));
case '-':
return(Operations.Subtract((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.Multiplication:
{
switch (node.Token.TokenValue)
{
case '*':
return(Operations.Multiply((Nodes.Diadic)node));
case '/':
return(Operations.Divide((Nodes.Diadic)node));
case '%':
return(Operations.Modulus((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.BitwiseAnd:
{
if (node.Token.TokenValue == '&')
{
return(Operations.BitwiseAnd((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.BitwiseOr:
{
if (node.Token.TokenValue == '|')
{
return(Operations.BitwiseOr((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.BitwiseXor:
{
if (node.Token.TokenValue == '^')
{
return(Operations.BitwiseXor((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.BitShift:
{
switch (node.Token.TokenValue)
{
case "<<":
return(Operations.ShiftLeft((Nodes.Diadic)node));
case ">>":
return(Operations.ShiftRight((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.LogicalAnd:
{
if (node.Token.TokenValue == "&&")
{
return(Operations.LogicalAnd((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.LogicalOr:
{
if (node.Token.TokenValue == "||")
{
return(Operations.LogicalOr((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.Assignment:
{
if (node.Token.TokenValue.ToString() == "=")
{
return(Operations.Assign((Nodes.Diadic)node));
}
switch (node.Token.TokenValue)
{
case "+=":
return(Operations.AddAssign((Nodes.Diadic)node));
case "-=":
return(Operations.SubtractAssign((Nodes.Diadic)node));
case "*=":
return(Operations.MultiplyAssign((Nodes.Diadic)node));
case "/=":
return(Operations.DivideAssign((Nodes.Diadic)node));
case "%=":
return(Operations.ModulusAssign((Nodes.Diadic)node));
case "<<=":
return(Operations.LeftShiftAssign((Nodes.Diadic)node));
case ">>=":
return(Operations.RightShiftAssign((Nodes.Diadic)node));
case "&=":
return(Operations.BitwiseAndAssign((Nodes.Diadic)node));
case "^=":
return(Operations.BitwiseXorAssign((Nodes.Diadic)node));
case "|=":
return(Operations.BitwiseOrAssign((Nodes.Diadic)node));
case "&&=":
return(Operations.LogicalAndAssign((Nodes.Diadic)node));
case "||=":
return(Operations.LogicalOrAssign((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.Comparison:
{
if (node.Token.TokenValue.ToString().Length == 1)
{
switch ((char)node.Token.TokenValue)
{
case '<':
return(Operations.LessThan((Nodes.Diadic)node));
case '>':
return(Operations.MoreThan((Nodes.Diadic)node));
}
}
else
{
switch (node.Token.TokenValue)
{
case "<=":
return(Operations.LessThan((Nodes.Diadic)node) ||
Operations.CheckEquality((Nodes.Diadic)node));
case ">=":
return(Operations.MoreThan((Nodes.Diadic)node) ||
Operations.CheckEquality((Nodes.Diadic)node));
}
}
break;
}
case Token.TokenTypes.Equality:
{
switch (node.Token.TokenValue)
{
case "==":
return(Operations.CheckEquality((Nodes.Diadic)node));
case "!=":
return(!Operations.CheckEquality((Nodes.Diadic)node));
}
break;
}
case Token.TokenTypes.Unary:
{
switch (node.Token.TokenValue)
{
case '!':
return(Operations.Not((Nodes.Monadic)node));
case '-':
return(Operations.Negative((Nodes.Monadic)node));
case '~':
return(Operations.BitwiseNot((Nodes.Monadic)node));
}
break;
}
default:
return(null);
}
return(null);
}